Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-27 22:51:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

V4L/DVB: cx25821: Removed duplicate code and cleaned up

Browse Source 
Signed-off-by: Palash Bandyopadhyay <Palash.Bandyopadhyay@conexant.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Palash Bandyopadhyay 2010-07-04 14:15:38 -03:00 committed by Mauro Carvalho Chehab
parent fab8125919
commit 6d8c2ba1d1
27 changed files with 1045 additions and 5502 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/staging/cx25821/Makefile
View File

@ -1,9 +1,8 @@
cx25821-objs := cx25821-core.o cx25821-cards.o cx25821-i2c.o cx25821-gpio.o \
cx25821-medusa-video.o cx25821-video.o cx25821-video0.o cx25821-video1.o \
cx25821-video2.o cx25821-video3.o cx25821-video4.o cx25821-video5.o \
cx25821-video6.o cx25821-video7.o cx25821-vidups9.o cx25821-vidups10.o \
cx25821-audups11.o cx25821-video-upstream.o cx25821-video-upstream-ch2.o \
cx25821-audio-upstream.o cx25821-videoioctl.o
cx25821-objs := cx25821-core.o cx25821-cards.o cx25821-i2c.o \
cx25821-gpio.o cx25821-medusa-video.o \
cx25821-video.o cx25821-video-upstream.o \
cx25821-video-upstream-ch2.o \
cx25821-audio-upstream.o
obj-$(CONFIG_VIDEO_CX25821) += cx25821.o
obj-$(CONFIG_VIDEO_CX25821_ALSA) += cx25821-alsa.o

16
drivers/staging/cx25821/cx25821-audio-upstream.c
View File

@ -106,7 +106,7 @@ static __le32 *cx25821_risc_field_upstream_audio(struct cx25821_dev *dev,
{
unsigned int line;
struct sram_channel *sram_ch =
&dev->sram_channels[dev->_audio_upstream_channel_select];
dev->channels[dev->_audio_upstream_channel_select].sram_channels;
int offset = 0;
/* scan lines */
@ -217,7 +217,7 @@ void cx25821_free_memory_audio(struct cx25821_dev *dev)
void cx25821_stop_upstream_audio(struct cx25821_dev *dev)
{
struct sram_channel *sram_ch =
&dev->sram_channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B];
dev->channels[AUDIO_UPSTREAM_SRAM_CHANNEL_B].sram_channels;
u32 tmp = 0;
if (!dev->_audio_is_running) {
@ -353,8 +353,9 @@ static void cx25821_audioups_handler(struct work_struct *work)
}
cx25821_get_audio_data(dev,
&dev->sram_channels[dev->
_audio_upstream_channel_select]);
dev->channels[dev->
_audio_upstream_channel_select].
sram_channels);
}
int cx25821_openfile_audio(struct cx25821_dev *dev,
@ -505,7 +506,7 @@ int cx25821_audio_upstream_irq(struct cx25821_dev *dev, int chan_num,
{
int i = 0;
u32 int_msk_tmp;
struct sram_channel *channel = &dev->sram_channels[chan_num];
struct sram_channel *channel = dev->channels[chan_num].sram_channels;
dma_addr_t risc_phys_jump_addr;
__le32 *rp;
@ -607,7 +608,8 @@ static irqreturn_t cx25821_upstream_irq_audio(int irq, void *dev_id)
if (!dev)
return -1;
sram_ch = &dev->sram_channels[dev->_audio_upstream_channel_select];
sram_ch = dev->channels[dev->_audio_upstream_channel_select].
sram_channels;
msk_stat = cx_read(sram_ch->int_mstat);
audio_status = cx_read(sram_ch->int_stat);
@ -731,7 +733,7 @@ int cx25821_audio_upstream_init(struct cx25821_dev *dev, int channel_select)
}
dev->_audio_upstream_channel_select = channel_select;
sram_ch = &dev->sram_channels[channel_select];
sram_ch = dev->channels[channel_select].sram_channels;
/* Work queue */
INIT_WORK(&dev->_audio_work_entry, cx25821_audioups_handler);

13
drivers/staging/cx25821/cx25821-audio.h
View File

@ -27,24 +27,25 @@
#define LINES_PER_BUFFER 15
#define AUDIO_LINE_SIZE 128
//Number of buffer programs to use at once.
/* Number of buffer programs to use at once. */
#define NUMBER_OF_PROGRAMS 8
//Max size of the RISC program for a buffer. - worst case is 2 writes per line
// Space is also added for the 4 no-op instructions added on the end.
/*
Max size of the RISC program for a buffer. - worst case is 2 writes per line
Space is also added for the 4 no-op instructions added on the end.
*/
#ifndef USE_RISC_NOOP
#define MAX_BUFFER_PROGRAM_SIZE \
(2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE*4)
#endif
// MAE 12 July 2005 Try to use NOOP RISC instruction instead
/* MAE 12 July 2005 Try to use NOOP RISC instruction instead */
#ifdef USE_RISC_NOOP
#define MAX_BUFFER_PROGRAM_SIZE \
(2*LINES_PER_BUFFER*RISC_WRITE_INSTRUCTION_SIZE + RISC_NOOP_INSTRUCTION_SIZE*4)
#endif
//Sizes of various instructions in bytes. Used when adding instructions.
/* Sizes of various instructions in bytes. Used when adding instructions. */
#define RISC_WRITE_INSTRUCTION_SIZE 12
#define RISC_JUMP_INSTRUCTION_SIZE 12
#define RISC_SKIP_INSTRUCTION_SIZE 4

420
drivers/staging/cx25821/cx25821-audups11.c
View File

@ -1,420 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/slab.h>
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH11];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH11]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = 10;
fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO11))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO11)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
return POLLIN | POLLRDNORM;
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
//cx_write(channel11->dma_ctl, 0);
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO11)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO11);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO11)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO11);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vidq.field = f->fmt.pix.field;
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static long video_ioctl_upstream11(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_AUDIO && command != UPSTREAM_STOP_AUDIO) {
return 0;
}
dev->input_filename = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname = data_from_user->vid_stdname;
dev->pixel_format = data_from_user->pixel_format;
dev->channel_select = data_from_user->channel_select;
dev->command = data_from_user->command;
switch (command) {
case UPSTREAM_START_AUDIO:
cx25821_start_upstream_audio(dev, data_from_user);
break;
case UPSTREAM_STOP_AUDIO:
cx25821_stop_upstream_audio(dev);
break;
}
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev;
int err;
if (fh) {
dev = fh->dev;
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return 0;
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl_upstream11,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template11 = {
.name = "cx25821-audioupstream",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

84
drivers/staging/cx25821/cx25821-core.c
View File

@ -781,14 +781,14 @@ static void cx25821_shutdown(struct cx25821_dev *dev)
/* Disable Video A/B activity */
for (i = 0; i < VID_CHANNEL_NUM; i++) {
cx_write(dev->sram_channels[i].dma_ctl, 0);
cx_write(dev->sram_channels[i].int_msk, 0);
cx_write(dev->channels[i].sram_channels->dma_ctl, 0);
cx_write(dev->channels[i].sram_channels->int_msk, 0);
}
for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J;
i++) {
cx_write(dev->sram_channels[i].dma_ctl, 0);
cx_write(dev->sram_channels[i].int_msk, 0);
cx_write(dev->channels[i].sram_channels->dma_ctl, 0);
cx_write(dev->channels[i].sram_channels->int_msk, 0);
}
/* Disable Audio activity */
@ -805,12 +805,10 @@ static void cx25821_shutdown(struct cx25821_dev *dev)
void cx25821_set_pixel_format(struct cx25821_dev *dev, int channel_select,
u32 format)
{
struct sram_channel *ch;
if (channel_select <= 7 && channel_select >= 0) {
ch = &cx25821_sram_channels[channel_select];
cx_write(ch->pix_frmt, format);
dev->pixel_formats[channel_select] = format;
cx_write(dev->channels[channel_select].
sram_channels->pix_frmt, format);
dev->channels[channel_select].pixel_formats = format;
}
}
@ -831,7 +829,7 @@ static void cx25821_initialize(struct cx25821_dev *dev)
cx_write(PCI_INT_STAT, 0xffffffff);
for (i = 0; i < VID_CHANNEL_NUM; i++)
cx_write(dev->sram_channels[i].int_stat, 0xffffffff);
cx_write(dev->channels[i].sram_channels->int_stat, 0xffffffff);
cx_write(AUD_A_INT_STAT, 0xffffffff);
cx_write(AUD_B_INT_STAT, 0xffffffff);
@ -845,21 +843,22 @@ static void cx25821_initialize(struct cx25821_dev *dev)
mdelay(100);
for (i = 0; i < VID_CHANNEL_NUM; i++) {
cx25821_set_vip_mode(dev, &dev->sram_channels[i]);
cx25821_sram_channel_setup(dev, &dev->sram_channels[i], 1440,
0);
dev->pixel_formats[i] = PIXEL_FRMT_422;
dev->use_cif_resolution[i] = FALSE;
cx25821_set_vip_mode(dev, dev->channels[i].sram_channels);
cx25821_sram_channel_setup(dev, dev->channels[i].sram_channels,
1440, 0);
dev->channels[i].pixel_formats = PIXEL_FRMT_422;
dev->channels[i].use_cif_resolution = FALSE;
}
/* Probably only affect Downstream */
for (i = VID_UPSTREAM_SRAM_CHANNEL_I; i <= VID_UPSTREAM_SRAM_CHANNEL_J;
i++) {
cx25821_set_vip_mode(dev, &dev->sram_channels[i]);
cx25821_set_vip_mode(dev, dev->channels[i].sram_channels);
}
cx25821_sram_channel_setup_audio(dev, &dev->sram_channels[SRAM_CH08],
128, 0);
cx25821_sram_channel_setup_audio(dev,
dev->channels[SRAM_CH08].sram_channels,
128, 0);
cx25821_gpio_init(dev);
}
@ -902,21 +901,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
{
int io_size = 0, i;
struct video_device *video_template[] = {
&cx25821_video_template0,
&cx25821_video_template1,
&cx25821_video_template2,
&cx25821_video_template3,
&cx25821_video_template4,
&cx25821_video_template5,
&cx25821_video_template6,
&cx25821_video_template7,
&cx25821_video_template9,
&cx25821_video_template10,
&cx25821_video_template11,
&cx25821_videoioctl_template,
};
printk(KERN_INFO "\n***********************************\n");
printk(KERN_INFO "cx25821 set up\n");
printk(KERN_INFO "***********************************\n\n");
@ -947,7 +931,8 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
/* Apply a sensible clock frequency for the PCIe bridge */
dev->clk_freq = 28000000;
dev->sram_channels = cx25821_sram_channels;
for (i = 0; i < MAX_VID_CHANNEL_NUM; i++)
dev->channels[i].sram_channels = &cx25821_sram_channels[i];
if (dev->nr > 1)
CX25821_INFO("dev->nr > 1!");
@ -970,7 +955,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
dev->i2c_bus[0].reg_wdata = I2C1_WDATA;
dev->i2c_bus[0].i2c_period = (0x07 << 24); /* 1.95MHz */
if (cx25821_get_resources(dev) < 0) {
printk(KERN_ERR "%s No more PCIe resources for "
"subsystem: %04x:%04x\n",
@ -1018,37 +1002,24 @@ static int cx25821_dev_setup(struct cx25821_dev *dev)
dev->i2c_bus[0].i2c_rc);
cx25821_card_setup(dev);
medusa_video_init(dev);
for (i = 0; i < VID_CHANNEL_NUM; i++) {
if (cx25821_video_register(dev, i, video_template[i]) < 0) {
printk(KERN_ERR
"%s() Failed to register analog video adapters on VID channel %d\n",
__func__, i);
}
}
if (medusa_video_init(dev) < 0)
CX25821_ERR("%s() Failed to initialize medusa!\n"
, __func__);
for (i = VID_UPSTREAM_SRAM_CHANNEL_I;
i <= AUDIO_UPSTREAM_SRAM_CHANNEL_B; i++) {
/* Since we don't have template8 for Audio Downstream */
if (cx25821_video_register(dev, i, video_template[i - 1]) < 0) {
printk(KERN_ERR
"%s() Failed to register analog video adapters for Upstream channel %d.\n",
__func__, i);
}
}
cx25821_video_register(dev);
/* register IOCTL device */
dev->ioctl_dev =
cx25821_vdev_init(dev, dev->pci, video_template[VIDEO_IOCTL_CH],
cx25821_vdev_init(dev, dev->pci, &cx25821_videoioctl_template,
"video");
if (video_register_device
(dev->ioctl_dev, VFL_TYPE_GRABBER, VIDEO_IOCTL_CH) < 0) {
cx25821_videoioctl_unregister(dev);
printk(KERN_ERR
"%s() Failed to register video adapter for IOCTL so releasing.\n",
__func__);
"%s() Failed to register video adapter for IOCTL, so \
unregistering videoioctl device.\n", __func__);
}
cx25821_dev_checkrevision(dev);
@ -1371,7 +1342,8 @@ static irqreturn_t cx25821_irq(int irq, void *dev_id)
for (i = 0; i < VID_CHANNEL_NUM; i++) {
if (pci_status & mask[i]) {
vid_status = cx_read(dev->sram_channels[i].int_stat);
vid_status = cx_read(dev->channels[i].
sram_channels->int_stat);
if (vid_status)
handled +=

3
drivers/staging/cx25821/cx25821-i2c.c
View File

@ -282,6 +282,9 @@ static u32 cx25821_functionality(struct i2c_adapter *adap)
static struct i2c_algorithm cx25821_i2c_algo_template = {
.master_xfer = i2c_xfer,
.functionality = cx25821_functionality,
#ifdef NEED_ALGO_CONTROL
.algo_control = dummy_algo_control,
#endif
};
static struct i2c_adapter cx25821_i2c_adap_template = {

15
drivers/staging/cx25821/cx25821-medusa-defines.h
View File

@ -23,7 +23,7 @@
#ifndef _MEDUSA_DEF_H_
#define _MEDUSA_DEF_H_
// Video deocder that we supported
/* Video deocder that we supported */
#define VDEC_A 0
#define VDEC_B 1
#define VDEC_C 2
@ -33,19 +33,10 @@
#define VDEC_G 6
#define VDEC_H 7
//#define AUTO_SWITCH_BIT[] = { 8, 9, 10, 11, 12, 13, 14, 15 };
// The following bit position enables automatic source switching for decoder A-H.
// Display index per camera.
//#define VDEC_INDEX[] = {0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7};
// Select input bit to video decoder A-H.
//#define CH_SRC_SEL_BIT[] = {24, 25, 26, 27, 28, 29, 30, 31};
// end of display sequence
/* end of display sequence */
#define END_OF_SEQ 0xF;
// registry string size
/* registry string size */
#define MAX_REGISTRY_SZ 40;
#endif

32
drivers/staging/cx25821/cx25821-medusa-reg.h
View File

@ -23,11 +23,11 @@
#ifndef __MEDUSA_REGISTERS__
#define __MEDUSA_REGISTERS__
// Serial Slave Registers
/* Serial Slave Registers */
#define HOST_REGISTER1 0x0000
#define HOST_REGISTER2 0x0001
// Chip Configuration Registers
/* Chip Configuration Registers */
#define CHIP_CTRL 0x0100
#define AFE_AB_CTRL 0x0104
#define AFE_CD_CTRL 0x0108
@ -92,7 +92,7 @@
#define ABIST_CLAMP_E 0x01F4
#define ABIST_CLAMP_F 0x01F8
// Digital Video Encoder A Registers
/* Digital Video Encoder A Registers */
#define DENC_A_REG_1 0x0200
#define DENC_A_REG_2 0x0204
#define DENC_A_REG_3 0x0208
@ -102,7 +102,7 @@
#define DENC_A_REG_7 0x0218
#define DENC_A_REG_8 0x021C
// Digital Video Encoder B Registers
/* Digital Video Encoder B Registers */
#define DENC_B_REG_1 0x0300
#define DENC_B_REG_2 0x0304
#define DENC_B_REG_3 0x0308
@ -112,7 +112,7 @@
#define DENC_B_REG_7 0x0318
#define DENC_B_REG_8 0x031C
// Video Decoder A Registers
/* Video Decoder A Registers */
#define MODE_CTRL 0x1000
#define OUT_CTRL1 0x1004
#define OUT_CTRL_NS 0x1008
@ -153,7 +153,7 @@
#define VERSION 0x11F8
#define SOFT_RST_CTRL 0x11FC
// Video Decoder B Registers
/* Video Decoder B Registers */
#define VDEC_B_MODE_CTRL 0x1200
#define VDEC_B_OUT_CTRL1 0x1204
#define VDEC_B_OUT_CTRL_NS 0x1208
@ -194,7 +194,7 @@
#define VDEC_B_VERSION 0x13F8
#define VDEC_B_SOFT_RST_CTRL 0x13FC
// Video Decoder C Registers
/* Video Decoder C Registers */
#define VDEC_C_MODE_CTRL 0x1400
#define VDEC_C_OUT_CTRL1 0x1404
#define VDEC_C_OUT_CTRL_NS 0x1408
@ -235,7 +235,7 @@
#define VDEC_C_VERSION 0x15F8
#define VDEC_C_SOFT_RST_CTRL 0x15FC
// Video Decoder D Registers
/* Video Decoder D Registers */
#define VDEC_D_MODE_CTRL 0x1600
#define VDEC_D_OUT_CTRL1 0x1604
#define VDEC_D_OUT_CTRL_NS 0x1608
@ -276,7 +276,7 @@
#define VDEC_D_VERSION 0x17F8
#define VDEC_D_SOFT_RST_CTRL 0x17FC
// Video Decoder E Registers
/* Video Decoder E Registers */
#define VDEC_E_MODE_CTRL 0x1800
#define VDEC_E_OUT_CTRL1 0x1804
#define VDEC_E_OUT_CTRL_NS 0x1808
@ -317,7 +317,7 @@
#define VDEC_E_VERSION 0x19F8
#define VDEC_E_SOFT_RST_CTRL 0x19FC
// Video Decoder F Registers
/* Video Decoder F Registers */
#define VDEC_F_MODE_CTRL 0x1A00
#define VDEC_F_OUT_CTRL1 0x1A04
#define VDEC_F_OUT_CTRL_NS 0x1A08
@ -358,7 +358,7 @@
#define VDEC_F_VERSION 0x1BF8
#define VDEC_F_SOFT_RST_CTRL 0x1BFC
// Video Decoder G Registers
/* Video Decoder G Registers */
#define VDEC_G_MODE_CTRL 0x1C00
#define VDEC_G_OUT_CTRL1 0x1C04
#define VDEC_G_OUT_CTRL_NS 0x1C08
@ -399,7 +399,7 @@
#define VDEC_G_VERSION 0x1DF8
#define VDEC_G_SOFT_RST_CTRL 0x1DFC
// Video Decoder H Registers
/* Video Decoder H Registers */
#define VDEC_H_MODE_CTRL 0x1E00
#define VDEC_H_OUT_CTRL1 0x1E04
#define VDEC_H_OUT_CTRL_NS 0x1E08
@ -440,14 +440,14 @@
#define VDEC_H_VERSION 0x1FF8
#define VDEC_H_SOFT_RST_CTRL 0x1FFC
//*****************************************************************************
// LUMA_CTRL register fields
/*****************************************************************************/
/* LUMA_CTRL register fields */
#define VDEC_A_BRITE_CTRL 0x1014
#define VDEC_A_CNTRST_CTRL 0x1015
#define VDEC_A_PEAK_SEL 0x1016
//*****************************************************************************
// CHROMA_CTRL register fields
/*****************************************************************************/
/* CHROMA_CTRL register fields */
#define VDEC_A_USAT_CTRL 0x1018
#define VDEC_A_VSAT_CTRL 0x1019
#define VDEC_A_HUE_CTRL 0x101A

18
drivers/staging/cx25821/cx25821-medusa-video.c
View File

@ -778,9 +778,9 @@ int medusa_set_saturation(struct cx25821_dev *dev, int saturation, int decoder)
int medusa_video_init(struct cx25821_dev *dev)
{
u32 value, tmp = 0;
int ret_val;
int i;
u32 value = 0, tmp = 0;
int ret_val = 0;
int i = 0;
mutex_lock(&dev->lock);
@ -790,6 +790,7 @@ int medusa_video_init(struct cx25821_dev *dev)
value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
value &= 0xFFFFF0FF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
if (ret_val < 0)
goto error;
@ -797,6 +798,7 @@ int medusa_video_init(struct cx25821_dev *dev)
value = cx25821_i2c_read(&dev->i2c_bus[0], MON_A_CTRL, &tmp);
value &= 0xFFFFFFDF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
if (ret_val < 0)
goto error;
@ -812,6 +814,7 @@ int medusa_video_init(struct cx25821_dev *dev)
value &= 0xFF70FF70;
value |= 0x00090008; /* set en_active */
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], DENC_AB_CTRL, value);
if (ret_val < 0)
goto error;
@ -826,8 +829,10 @@ int medusa_video_init(struct cx25821_dev *dev)
/* select AFE clock to output mode */
value = cx25821_i2c_read(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL, &tmp);
value &= 0x83FFFFFF;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL,
value | 0x10000000);
ret_val =
cx25821_i2c_write(&dev->i2c_bus[0], AFE_AB_DIAG_CTRL,
value | 0x10000000);
if (ret_val < 0)
goto error;
@ -849,12 +854,15 @@ int medusa_video_init(struct cx25821_dev *dev)
value |= 7;
ret_val = cx25821_i2c_write(&dev->i2c_bus[0], PIN_OE_CTRL, value);
if (ret_val < 0)
goto error;
mutex_unlock(&dev->lock);
ret_val = medusa_set_videostandard(dev);
return ret_val;
error:

4
drivers/staging/cx25821/cx25821-medusa-video.h
View File

@ -25,7 +25,7 @@
#include "cx25821-medusa-defines.h"
// Color control constants
/* Color control constants */
#define VIDEO_PROCAMP_MIN 0
#define VIDEO_PROCAMP_MAX 10000
#define UNSIGNED_BYTE_MIN 0
@ -33,7 +33,7 @@
#define SIGNED_BYTE_MIN -128
#define SIGNED_BYTE_MAX 127
// Default video color settings
/* Default video color settings */
#define SHARPNESS_DEFAULT 50
#define SATURATION_DEFAULT 5000
#define BRIGHTNESS_DEFAULT 6200

14
drivers/staging/cx25821/cx25821-reg.h
View File

@ -48,17 +48,17 @@
#define RISC_SYNC_EVEN_VBI 0x00000207
#define RISC_NOOP 0xF0000000
//*****************************************************************************
// ASB SRAM
//*****************************************************************************
/*****************************************************************************
* ASB SRAM
*****************************************************************************/
#define TX_SRAM 0x000000 // Transmit SRAM
//*****************************************************************************
/*****************************************************************************/
#define RX_RAM 0x010000 // Receive SRAM
//*****************************************************************************
// Application Layer (AL)
//*****************************************************************************
/*****************************************************************************
* Application Layer (AL)
*****************************************************************************/
#define DEV_CNTRL2 0x040000 // Device control
#define FLD_RUN_RISC 0x00000020

91
drivers/staging/cx25821/cx25821-video-upstream-ch2.c
View File

@ -84,7 +84,7 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
{
unsigned int line, i;
struct sram_channel *sram_ch =
&dev->sram_channels[dev->_channel2_upstream_select];
dev->channels[dev->_channel2_upstream_select].sram_channels;
int dist_betwn_starts = bpl * 2;
/* sync instruction */
@ -110,8 +110,11 @@ static __le32 *cx25821_risc_field_upstream_ch2(struct cx25821_dev *dev,
offset += dist_betwn_starts;
}
// check if we need to enable the FIFO after the first 4 lines
// For the upstream video channel, the risc engine will enable the FIFO.
/*
check if we need to enable the FIFO after the first 4 lines
For the upstream video channel, the risc engine will enable
the FIFO.
*/
if (fifo_enable && line == 3) {
*(rp++) = RISC_WRITECR;
*(rp++) = sram_ch->dma_ctl;
@ -130,7 +133,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
{
__le32 *rp;
int fifo_enable = 0;
int singlefield_lines = lines >> 1; //get line count for single field
int singlefield_lines = lines >> 1; /*get line count for single field */
int odd_num_lines = singlefield_lines;
int frame = 0;
int frame_size = 0;
@ -174,7 +177,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
fifo_enable = FIFO_DISABLE;
//Even field
/* Even field */
rp = cx25821_risc_field_upstream_ch2(dev, rp,
dev->
_data_buf_phys_addr_ch2 +
@ -192,7 +195,10 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
risc_phys_jump_addr = dev->_dma_phys_start_addr_ch2;
}
// Loop to 2ndFrameRISC or to Start of Risc program & generate IRQ
/*
Loop to 2ndFrameRISC or to Start of
Risc program & generate IRQ
*/
*(rp++) = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | risc_flag);
*(rp++) = cpu_to_le32(risc_phys_jump_addr);
*(rp++) = cpu_to_le32(0);
@ -204,7 +210,7 @@ int cx25821_risc_buffer_upstream_ch2(struct cx25821_dev *dev,
void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
{
struct sram_channel *sram_ch =
&dev->sram_channels[VID_UPSTREAM_SRAM_CHANNEL_J];
dev->channels[VID_UPSTREAM_SRAM_CHANNEL_J].sram_channels;
u32 tmp = 0;
if (!dev->_is_running_ch2) {
@ -212,15 +218,15 @@ void cx25821_stop_upstream_video_ch2(struct cx25821_dev *dev)
("cx25821: No video file is currently running so return!\n");
return;
}
//Disable RISC interrupts
/* Disable RISC interrupts */
tmp = cx_read(sram_ch->int_msk);
cx_write(sram_ch->int_msk, tmp & ~_intr_msk);
//Turn OFF risc and fifo
/* Turn OFF risc and fifo */
tmp = cx_read(sram_ch->dma_ctl);
cx_write(sram_ch->dma_ctl, tmp & ~(FLD_VID_FIFO_EN | FLD_VID_RISC_EN));
//Clear data buffer memory
/* Clear data buffer memory */
if (dev->_data_buf_virt_addr_ch2)
memset(dev->_data_buf_virt_addr_ch2, 0,
dev->_data_buf_size_ch2);
@ -371,8 +377,8 @@ static void cx25821_vidups_handler_ch2(struct work_struct *work)
}
cx25821_get_frame_ch2(dev,
&dev->sram_channels[dev->
_channel2_upstream_select]);
dev->channels[dev->
_channel2_upstream_select].sram_channels);
}
int cx25821_openfile_ch2(struct cx25821_dev *dev, struct sram_channel *sram_ch)
@ -488,7 +494,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
return -ENOMEM;
}
//Iniitize at this address until n bytes to 0
/* Iniitize at this address until n bytes to 0 */
memset(dev->_dma_virt_addr_ch2, 0, dev->_risc_size_ch2);
if (dev->_data_buf_virt_addr_ch2 != NULL) {
@ -496,7 +502,7 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
dev->_data_buf_virt_addr_ch2,
dev->_data_buf_phys_addr_ch2);
}
//For Video Data buffer allocation
/* For Video Data buffer allocation */
dev->_data_buf_virt_addr_ch2 =
pci_alloc_consistent(dev->pci, dev->upstream_databuf_size_ch2,
&data_dma_addr);
@ -509,14 +515,14 @@ static int cx25821_upstream_buffer_prepare_ch2(struct cx25821_dev *dev,
return -ENOMEM;
}
//Initialize at this address until n bytes to 0
/* Initialize at this address until n bytes to 0 */
memset(dev->_data_buf_virt_addr_ch2, 0, dev->_data_buf_size_ch2);
ret = cx25821_openfile_ch2(dev, sram_ch);
if (ret < 0)
return ret;
//Creating RISC programs
/* Creating RISC programs */
ret =
cx25821_risc_buffer_upstream_ch2(dev, dev->pci, 0, bpl,
dev->_lines_count_ch2);
@ -536,7 +542,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
u32 status)
{
u32 int_msk_tmp;
struct sram_channel *channel = &dev->sram_channels[chan_num];
struct sram_channel *channel = dev->channels[chan_num].sram_channels;
int singlefield_lines = NTSC_FIELD_HEIGHT;
int line_size_in_bytes = Y422_LINE_SZ;
int odd_risc_prog_size = 0;
@ -544,10 +550,13 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
__le32 *rp;
if (status & FLD_VID_SRC_RISC1) {
// We should only process one program per call
/* We should only process one program per call */
u32 prog_cnt = cx_read(channel->gpcnt);
//Since we've identified our IRQ, clear our bits from the interrupt mask and interrupt status registers
/*
Since we've identified our IRQ, clear our bits from the
interrupt mask and interrupt status registers
*/
int_msk_tmp = cx_read(channel->int_msk);
cx_write(channel->int_msk, int_msk_tmp & ~_intr_msk);
cx_write(channel->int_stat, _intr_msk);
@ -588,7 +597,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
FIFO_DISABLE,
ODD_FIELD);
// Jump to Even Risc program of 1st Frame
/* Jump to Even Risc program of 1st Frame */
*(rp++) = cpu_to_le32(RISC_JUMP);
*(rp++) = cpu_to_le32(risc_phys_jump_addr);
*(rp++) = cpu_to_le32(0);
@ -603,7 +612,7 @@ int cx25821_video_upstream_irq_ch2(struct cx25821_dev *dev, int chan_num,
dev->_frame_count_ch2);
return -1;
}
//ElSE, set the interrupt mask register, re-enable irq.
/* ElSE, set the interrupt mask register, re-enable irq. */
int_msk_tmp = cx_read(channel->int_msk);
cx_write(channel->int_msk, int_msk_tmp |= _intr_msk);
@ -623,12 +632,12 @@ static irqreturn_t cx25821_upstream_irq_ch2(int irq, void *dev_id)
channel_num = VID_UPSTREAM_SRAM_CHANNEL_J;
sram_ch = &dev->sram_channels[channel_num];
sram_ch = dev->channels[channel_num].sram_channels;
msk_stat = cx_read(sram_ch->int_mstat);
vid_status = cx_read(sram_ch->int_stat);
// Only deal with our interrupt
/* Only deal with our interrupt */
if (vid_status) {
handled =
cx25821_video_upstream_irq_ch2(dev, channel_num,
@ -658,7 +667,10 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev,
value |= dev->_isNTSC_ch2 ? 0 : 0x10;
cx_write(ch->vid_fmt_ctl, value);
// set number of active pixels in each line. Default is 720 pixels in both NTSC and PAL format
/*
set number of active pixels in each line. Default is 720
pixels in both NTSC and PAL format
*/
cx_write(ch->vid_active_ctl1, width);
num_lines = (height / 2) & 0x3FF;
@ -670,7 +682,7 @@ static void cx25821_set_pixelengine_ch2(struct cx25821_dev *dev,
value = (num_lines << 16) | odd_num_lines;
// set number of active lines in field 0 (top) and field 1 (bottom)
/* set number of active lines in field 0 (top) and field 1 (bottom) */
cx_write(ch->vid_active_ctl2, value);
cx_write(ch->vid_cdt_size, VID_CDT_SIZE >> 3);
@ -682,21 +694,27 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
u32 tmp = 0;
int err = 0;
// 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
/*
656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface
for channel A-C
*/
tmp = cx_read(VID_CH_MODE_SEL);
cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF);
// Set the physical start address of the RISC program in the initial program counter(IPC) member of the cmds.
/*
Set the physical start address of the RISC program in the initial
program counter(IPC) member of the cmds.
*/
cx_write(sram_ch->cmds_start + 0, dev->_dma_phys_addr_ch2);
cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
cx_write(sram_ch->cmds_start + 4, 0); /* Risc IPC High 64 bits 63-32 */
/* reset counter */
cx_write(sram_ch->gpcnt_ctl, 3);
// Clear our bits from the interrupt status register.
/* Clear our bits from the interrupt status register. */
cx_write(sram_ch->int_stat, _intr_msk);
//Set the interrupt mask register, enable irq.
/* Set the interrupt mask register, enable irq. */
cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << sram_ch->irq_bit));
tmp = cx_read(sram_ch->int_msk);
cx_write(sram_ch->int_msk, tmp |= _intr_msk);
@ -709,7 +727,7 @@ int cx25821_start_video_dma_upstream_ch2(struct cx25821_dev *dev,
dev->pci->irq);
goto fail_irq;
}
// Start the DMA engine
/* Start the DMA engine */
tmp = cx_read(sram_ch->dma_ctl);
cx_set(sram_ch->dma_ctl, tmp | FLD_VID_RISC_EN);
@ -740,7 +758,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
}
dev->_channel2_upstream_select = channel_select;
sram_ch = &dev->sram_channels[channel_select];
sram_ch = dev->channels[channel_select].sram_channels;
INIT_WORK(&dev->_irq_work_entry_ch2, cx25821_vidups_handler_ch2);
dev->_irq_queues_ch2 =
@ -751,7 +769,10 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
("cx25821: create_singlethread_workqueue() for Video FAILED!\n");
return -ENOMEM;
}
// 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for channel A-C
/*
656/VIP SRC Upstream Channel I & J and 7 -
Host Bus Interface for channel A-C
*/
tmp = cx_read(VID_CH_MODE_SEL);
cx_write(VID_CH_MODE_SEL, tmp | 0x1B0001FF);
@ -787,7 +808,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
str_length + 1);
}
//Default if filename is empty string
/* Default if filename is empty string */
if (strcmp(dev->input_filename_ch2, "") == 0) {
if (dev->_isNTSC_ch2) {
dev->_filename_ch2 =
@ -812,7 +833,7 @@ int cx25821_vidupstream_init_ch2(struct cx25821_dev *dev, int channel_select,
dev->upstream_riscbuf_size_ch2 = risc_buffer_size * 2;
dev->upstream_databuf_size_ch2 = data_frame_size * 2;
//Allocating buffers and prepare RISC program
/* Allocating buffers and prepare RISC program */
retval =
cx25821_upstream_buffer_prepare_ch2(dev, sram_ch,
dev->_line_size_ch2);

72
drivers/staging/cx25821/cx25821-video-upstream.c
View File

@ -134,7 +134,7 @@ static __le32 *cx25821_risc_field_upstream(struct cx25821_dev *dev, __le32 * rp,
{
unsigned int line, i;
struct sram_channel *sram_ch =
&dev->sram_channels[dev->_channel_upstream_select];
dev->channels[dev->_channel_upstream_select].sram_channels;
int dist_betwn_starts = bpl * 2;
/* sync instruction */
@ -253,7 +253,7 @@ int cx25821_risc_buffer_upstream(struct cx25821_dev *dev,
void cx25821_stop_upstream_video_ch1(struct cx25821_dev *dev)
{
struct sram_channel *sram_ch =
&dev->sram_channels[VID_UPSTREAM_SRAM_CHANNEL_I];
dev->channels[VID_UPSTREAM_SRAM_CHANNEL_I].sram_channels;
u32 tmp = 0;
if (!dev->_is_running) {
@ -346,20 +346,23 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (IS_ERR(myfile)) {
const int open_errno = -PTR_ERR(myfile);
printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n",
__func__, dev->_filename, open_errno);
printk(KERN_ERR
"%s(): ERROR opening file(%s) with errno = %d!\n",
__func__, dev->_filename, open_errno);
return PTR_ERR(myfile);
} else {
if (!(myfile->f_op)) {
printk(KERN_ERR "%s: File has no file operations registered!",
__func__);
printk(KERN_ERR
"%s: File has no file operations registered!",
__func__);
filp_close(myfile, NULL);
return -EIO;
}
if (!myfile->f_op->read) {
printk(KERN_ERR "%s: File has no READ operations registered!",
__func__);
printk(KERN_ERR
"%s: File has no READ operations registered!",
__func__);
filp_close(myfile, NULL);
return -EIO;
}
@ -386,7 +389,8 @@ int cx25821_get_frame(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (vfs_read_retval < line_size) {
printk(KERN_INFO
"Done: exit %s() since no more bytes to read from Video file.\n",
"Done: exit %s() since no more bytes to \
read from Video file.\n",
__func__);
break;
}
@ -411,13 +415,15 @@ static void cx25821_vidups_handler(struct work_struct *work)
container_of(work, struct cx25821_dev, _irq_work_entry);
if (!dev) {
printk(KERN_ERR "ERROR %s(): since container_of(work_struct) FAILED!\n",
__func__);
printk(KERN_ERR
"ERROR %s(): since container_of(work_struct) FAILED!\n",
__func__);
return;
}
cx25821_get_frame(dev,
&dev->sram_channels[dev->_channel_upstream_select]);
dev->channels[dev->_channel_upstream_select].
sram_channels);
}
int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
@ -437,20 +443,22 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (IS_ERR(myfile)) {
const int open_errno = -PTR_ERR(myfile);
printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n",
printk(KERN_ERR "%s(): ERROR opening file(%s) with errno = %d!\n",
__func__, dev->_filename, open_errno);
return PTR_ERR(myfile);
} else {
if (!(myfile->f_op)) {
printk(KERN_ERR "%s: File has no file operations registered!",
__func__);
printk(KERN_ERR
"%s: File has no file operations registered!",
__func__);
filp_close(myfile, NULL);
return -EIO;
}
if (!myfile->f_op->read) {
printk
(KERN_ERR "%s: File has no READ operations registered! Returning.",
printk(KERN_ERR
"%s: File has no READ operations registered! \
Returning.",
__func__);
filp_close(myfile, NULL);
return -EIO;
@ -480,7 +488,8 @@ int cx25821_openfile(struct cx25821_dev *dev, struct sram_channel *sram_ch)
if (vfs_read_retval < line_size) {
printk(KERN_INFO
"Done: exit %s() since no more bytes to read from Video file.\n",
"Done: exit %s() since no more \
bytes to read from Video file.\n",
__func__);
break;
}
@ -526,7 +535,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
if (!dev->_dma_virt_addr) {
printk
(KERN_ERR "cx25821: FAILED to allocate memory for Risc buffer! Returning.\n");
(KERN_ERR "cx25821: FAILED to allocate memory for Risc \
buffer! Returning.\n");
return -ENOMEM;
}
@ -547,7 +557,8 @@ int cx25821_upstream_buffer_prepare(struct cx25821_dev *dev,
if (!dev->_data_buf_virt_addr) {
printk
(KERN_ERR "cx25821: FAILED to allocate memory for data buffer! Returning.\n");
(KERN_ERR "cx25821: FAILED to allocate memory for data \
buffer! Returning.\n");
return -ENOMEM;
}
@ -578,7 +589,7 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num,
u32 status)
{
u32 int_msk_tmp;
struct sram_channel *channel = &dev->sram_channels[chan_num];
struct sram_channel *channel = dev->channels[chan_num].sram_channels;
int singlefield_lines = NTSC_FIELD_HEIGHT;
int line_size_in_bytes = Y422_LINE_SZ;
int odd_risc_prog_size = 0;
@ -642,16 +653,16 @@ int cx25821_video_upstream_irq(struct cx25821_dev *dev, int chan_num,
} else {
if (status & FLD_VID_SRC_UF)
printk
(KERN_ERR "%s: Video Received Underflow Error Interrupt!\n",
__func__);
(KERN_ERR "%s: Video Received Underflow Error \
Interrupt!\n", __func__);
if (status & FLD_VID_SRC_SYNC)
printk(KERN_ERR "%s: Video Received Sync Error Interrupt!\n",
__func__);
printk(KERN_ERR "%s: Video Received Sync Error \
Interrupt!\n", __func__);
if (status & FLD_VID_SRC_OPC_ERR)
printk(KERN_ERR "%s: Video Received OpCode Error Interrupt!\n",
__func__);
printk(KERN_ERR "%s: Video Received OpCode Error \
Interrupt!\n", __func__);
}
if (dev->_file_status == END_OF_FILE) {
@ -679,7 +690,7 @@ static irqreturn_t cx25821_upstream_irq(int irq, void *dev_id)
channel_num = VID_UPSTREAM_SRAM_CHANNEL_I;
sram_ch = &dev->sram_channels[channel_num];
sram_ch = dev->channels[channel_num].sram_channels;
msk_stat = cx_read(sram_ch->int_mstat);
vid_status = cx_read(sram_ch->int_stat);
@ -800,14 +811,15 @@ int cx25821_vidupstream_init_ch1(struct cx25821_dev *dev, int channel_select,
}
dev->_channel_upstream_select = channel_select;
sram_ch = &dev->sram_channels[channel_select];
sram_ch = dev->channels[channel_select].sram_channels;
INIT_WORK(&dev->_irq_work_entry, cx25821_vidups_handler);
dev->_irq_queues = create_singlethread_workqueue("cx25821_workqueue");
if (!dev->_irq_queues) {
printk
(KERN_ERR "cx25821: create_singlethread_workqueue() for Video FAILED!\n");
(KERN_ERR "cx25821: create_singlethread_workqueue() for \
Video FAILED!\n");
return -ENOMEM;
}
/* 656/VIP SRC Upstream Channel I & J and 7 - Host Bus Interface for

901
drivers/staging/cx25821/cx25821-video.c
View File

File diff suppressed because it is too large Load Diff

16
drivers/staging/cx25821/cx25821-video.h
View File

@ -80,17 +80,6 @@ extern struct sram_channel *channel7;
extern struct sram_channel *channel9;
extern struct sram_channel *channel10;
extern struct sram_channel *channel11;
extern struct video_device cx25821_video_template0;
extern struct video_device cx25821_video_template1;
extern struct video_device cx25821_video_template2;
extern struct video_device cx25821_video_template3;
extern struct video_device cx25821_video_template4;
extern struct video_device cx25821_video_template5;
extern struct video_device cx25821_video_template6;
extern struct video_device cx25821_video_template7;
extern struct video_device cx25821_video_template9;
extern struct video_device cx25821_video_template10;
extern struct video_device cx25821_video_template11;
extern struct video_device cx25821_videoioctl_template;
//extern const u32 *ctrl_classes[];
@ -113,7 +102,7 @@ extern int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm);
extern int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh,
unsigned int bit);
extern int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit);
extern int cx25821_res_locked(struct cx25821_dev *dev, unsigned int bit);
extern int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit);
extern void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh,
unsigned int bits);
extern int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input);
@ -126,8 +115,7 @@ extern int cx25821_set_scale(struct cx25821_dev *dev, unsigned int width,
unsigned int height, enum v4l2_field field);
extern int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status);
extern void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num);
extern int cx25821_video_register(struct cx25821_dev *dev, int chan_num,
struct video_device *video_template);
extern int cx25821_video_register(struct cx25821_dev *dev);
extern int cx25821_get_format_size(void);
extern int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count,

434
drivers/staging/cx25821/cx25821-video0.c
View File

@ -1,434 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH00];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH00]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH00;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO0))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH00]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel0->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO0)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO0);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO0)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO0);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = PIXEL_FRMT_422;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH00, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH00] = 1;
} else {
dev->use_cif_resolution[SRAM_CH00] = 0;
}
dev->cif_width[SRAM_CH00] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH00);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH00].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH00];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 0 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH00);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template0 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

434
drivers/staging/cx25821/cx25821-video1.c
View File

@ -1,434 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH01];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH01]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH01;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO1))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO1)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH01]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel1->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO1)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO1);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO1)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO1);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH01, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH01] = 1;
} else {
dev->use_cif_resolution[SRAM_CH01] = 0;
}
dev->cif_width[SRAM_CH01] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH01);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH01].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH01];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 1 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH01);
}
//exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template1 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

436
drivers/staging/cx25821/cx25821-video2.c
View File

@ -1,436 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH02];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH02]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH02;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO2))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO2)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH02]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel2->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO2)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO2);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO2)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO2);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH02, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH02] = 1;
} else {
dev->use_cif_resolution[SRAM_CH02] = 0;
}
dev->cif_width[SRAM_CH02] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH02);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH02].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH02];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 2 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH02);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template2 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

435
drivers/staging/cx25821/cx25821-video3.c
View File

@ -1,435 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH03];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH03]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH03;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO3))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO3)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH03]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel3->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO3)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO3);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO3)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO3);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH03, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH03] = 1;
} else {
dev->use_cif_resolution[SRAM_CH03] = 0;
}
dev->cif_width[SRAM_CH03] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH03);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH03].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH03];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 3 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH03);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template3 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

434
drivers/staging/cx25821/cx25821-video4.c
View File

@ -1,434 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH04];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH04]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH04;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO4))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO4)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH04]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel4->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO4)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO4);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO4)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO4);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
// check priority
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH04, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH04] = 1;
} else {
dev->use_cif_resolution[SRAM_CH04] = 0;
}
dev->cif_width[SRAM_CH04] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH04);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH04].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH04];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 4 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH04);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template4 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

434
drivers/staging/cx25821/cx25821-video5.c
View File

@ -1,434 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH05];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH05]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH05;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO5))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO5)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH05]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel5->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO5)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO5);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO5)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO5);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH05, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH05] = 1;
} else {
dev->use_cif_resolution[SRAM_CH05] = 0;
}
dev->cif_width[SRAM_CH05] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH05);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH05].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH05];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 5 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH05);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template5 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

434
drivers/staging/cx25821/cx25821-video6.c
View File

@ -1,434 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH06];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH06]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH06;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO6))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO6)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH06]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel6->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO6)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO6);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO6)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO6);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH06, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH06] = 1;
} else {
dev->use_cif_resolution[SRAM_CH06] = 0;
}
dev->cif_width[SRAM_CH06] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH06);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH06].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH06];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 6 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH06);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template6 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

433
drivers/staging/cx25821/cx25821-video7.c
View File

@ -1,433 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH07];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH07]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = SRAM_CH07;
pix_format =
(dev->pixel_formats[dev->channel_opened] ==
PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO7))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO7)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
if (buf->vb.state == VIDEOBUF_DONE) {
struct cx25821_dev *dev = fh->dev;
if (dev && dev->use_cif_resolution[SRAM_CH07]) {
u8 cam_id = *((char *)buf->vb.baddr + 3);
memcpy((char *)buf->vb.baddr,
(char *)buf->vb.baddr + (fh->width * 2),
(fh->width * 2));
*((char *)buf->vb.baddr + 3) = cam_id;
}
}
return POLLIN | POLLRDNORM;
}
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
cx_write(channel7->dma_ctl, 0); /* FIFO and RISC disable */
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO7)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO7);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO7)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO7);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
int pix_format = 0;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->vidq.field = f->fmt.pix.field;
// check if width and height is valid based on set standard
if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
fh->width = f->fmt.pix.width;
}
if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
fh->height = f->fmt.pix.height;
}
if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
pix_format = PIXEL_FRMT_411;
else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
pix_format = PIXEL_FRMT_422;
else
return -EINVAL;
cx25821_set_pixel_format(dev, SRAM_CH07, pix_format);
// check if cif resolution
if (fh->width == 320 || fh->width == 352) {
dev->use_cif_resolution[SRAM_CH07] = 1;
} else {
dev->use_cif_resolution[SRAM_CH07] = 0;
}
dev->cif_width[SRAM_CH07] = fh->width;
medusa_set_resolution(dev, fh->width, SRAM_CH07);
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
int ret_val = 0;
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
p->sequence = dev->vidq[SRAM_CH07].count;
return ret_val;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH07];
u32 tmp = 0;
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
tmp = cx_read(sram_ch->dma_ctl);
printk(KERN_INFO "Video input 7 is %s\n",
(tmp & 0x11) ? "streaming" : "stopped");
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return cx25821_set_control(dev, ctl, SRAM_CH07);
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template7 = {
.name = "cx25821-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

480
drivers/staging/cx25821/cx25821-videoioctl.c
View File

@ -1,480 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[VIDEO_IOCTL_CH];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[VIDEO_IOCTL_CH]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
u32 pix_format;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = VIDEO_IOCTL_CH;
pix_format = V4L2_PIX_FMT_YUYV;
fh->fmt = format_by_fourcc(pix_format);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO_IOCTL))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO_IOCTL)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
return POLLIN | POLLRDNORM;
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO_IOCTL)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO_IOCTL);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO_IOCTL)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO_IOCTL);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vidq.field = f->fmt.pix.field;
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}
static long video_ioctl_set(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
struct downstream_user_struct *data_from_user;
int command;
int width = 720;
int selected_channel = 0, pix_format = 0, i = 0;
int cif_enable = 0, cif_width = 0;
u32 value = 0;
data_from_user = (struct downstream_user_struct *)arg;
if (!data_from_user) {
printk("cx25821 in %s(): User data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT
&& command != ENABLE_CIF_RESOLUTION && command != REG_READ
&& command != REG_WRITE && command != MEDUSA_READ
&& command != MEDUSA_WRITE) {
return 0;
}
switch (command) {
case SET_VIDEO_STD:
dev->tvnorm =
!strcmp(data_from_user->vid_stdname,
"PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M;
medusa_set_videostandard(dev);
break;
case SET_PIXEL_FORMAT:
selected_channel = data_from_user->decoder_select;
pix_format = data_from_user->pixel_format;
if (!(selected_channel <= 7 && selected_channel >= 0)) {
selected_channel -= 4;
selected_channel = selected_channel % 8;
}
if (selected_channel >= 0)
cx25821_set_pixel_format(dev, selected_channel,
pix_format);
break;
case ENABLE_CIF_RESOLUTION:
selected_channel = data_from_user->decoder_select;
cif_enable = data_from_user->cif_resolution_enable;
cif_width = data_from_user->cif_width;
if (cif_enable) {
if (dev->tvnorm & V4L2_STD_PAL_BG
|| dev->tvnorm & V4L2_STD_PAL_DK)
width = 352;
else
width = (cif_width == 320
|| cif_width == 352) ? cif_width : 320;
}
if (!(selected_channel <= 7 && selected_channel >= 0)) {
selected_channel -= 4;
selected_channel = selected_channel % 8;
}
if (selected_channel <= 7 && selected_channel >= 0) {
dev->use_cif_resolution[selected_channel] = cif_enable;
dev->cif_width[selected_channel] = width;
} else {
for (i = 0; i < VID_CHANNEL_NUM; i++) {
dev->use_cif_resolution[i] = cif_enable;
dev->cif_width[i] = width;
}
}
medusa_set_resolution(dev, width, selected_channel);
break;
case REG_READ:
data_from_user->reg_data = cx_read(data_from_user->reg_address);
break;
case REG_WRITE:
cx_write(data_from_user->reg_address, data_from_user->reg_data);
break;
case MEDUSA_READ:
value =
cx25821_i2c_read(&dev->i2c_bus[0],
(u16) data_from_user->reg_address,
&data_from_user->reg_data);
break;
case MEDUSA_WRITE:
cx25821_i2c_write(&dev->i2c_bus[0],
(u16) data_from_user->reg_address,
data_from_user->reg_data);
break;
}
return 0;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return 0;
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl_set,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_videoioctl_template = {
.name = "cx25821-videoioctl",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

418
drivers/staging/cx25821/cx25821-vidups10.c
View File

@ -1,418 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH10];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH10]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = 9;
fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO10))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO10)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
return POLLIN | POLLRDNORM;
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
//cx_write(channel10->dma_ctl, 0);
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO10)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO10);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO10)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO10);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static long video_ioctl_upstream10(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO) {
return 0;
}
dev->input_filename_ch2 = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname_ch2 = data_from_user->vid_stdname;
dev->pixel_format_ch2 = data_from_user->pixel_format;
dev->channel_select_ch2 = data_from_user->channel_select;
dev->command_ch2 = data_from_user->command;
switch (command) {
case UPSTREAM_START_VIDEO:
cx25821_start_upstream_video_ch2(dev, data_from_user);
break;
case UPSTREAM_STOP_VIDEO:
cx25821_stop_upstream_video_ch2(dev);
break;
}
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vidq.field = f->fmt.pix.field;
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return 0;
}
//exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl_upstream10,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template10 = {
.name = "cx25821-upstream10",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

416
drivers/staging/cx25821/cx25821-vidups9.c
View File

@ -1,416 +0,0 @@
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
*
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cx25821-video.h"
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx25821_buffer *buf =
container_of(vb, struct cx25821_buffer, vb);
struct cx25821_buffer *prev;
struct cx25821_fh *fh = vq->priv_data;
struct cx25821_dev *dev = fh->dev;
struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH09];
/* add jump to stopper */
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
if (!list_empty(&q->queued)) {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
buf->vb.i);
} else if (list_empty(&q->active)) {
list_add_tail(&buf->vb.queue, &q->active);
cx25821_start_video_dma(dev, q, buf,
&dev->sram_channels[SRAM_CH09]);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
dprintk(2,
"[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
buf, buf->vb.i, buf->count, q->count);
} else {
prev =
list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
if (prev->vb.width == buf->vb.width
&& prev->vb.height == buf->vb.height
&& prev->fmt == buf->fmt) {
list_add_tail(&buf->vb.queue, &q->active);
buf->vb.state = VIDEOBUF_ACTIVE;
buf->count = q->count++;
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
/* 64 bit bits 63-32 */
prev->risc.jmp[2] = cpu_to_le32(0);
dprintk(2,
"[%p/%d] buffer_queue - append to active, buf->count=%d\n",
buf, buf->vb.i, buf->count);
} else {
list_add_tail(&buf->vb.queue, &q->queued);
buf->vb.state = VIDEOBUF_QUEUED;
dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
buf->vb.i);
}
}
if (list_empty(&q->active)) {
dprintk(2, "active queue empty!\n");
}
}
static struct videobuf_queue_ops cx25821_video_qops = {
.buf_setup = cx25821_buffer_setup,
.buf_prepare = cx25821_buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = cx25821_buffer_release,
};
static int video_open(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct cx25821_dev *dev = video_drvdata(file);
struct cx25821_fh *fh;
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
printk("open dev=%s type=%s\n", video_device_node_name(vdev),
v4l2_type_names[type]);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (NULL == fh)
return -ENOMEM;
lock_kernel();
file->private_data = fh;
fh->dev = dev;
fh->type = type;
fh->width = 720;
if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
fh->height = 576;
else
fh->height = 480;
dev->channel_opened = 8;
fh->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
v4l2_prio_open(&dev->prio, &fh->prio);
videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx25821_buffer), fh);
dprintk(1, "post videobuf_queue_init()\n");
unlock_kernel();
return 0;
}
static ssize_t video_read(struct file *file, char __user * data, size_t count,
loff_t * ppos)
{
struct cx25821_fh *fh = file->private_data;
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO9))
return -EBUSY;
return videobuf_read_one(&fh->vidq, data, count, ppos,
file->f_flags & O_NONBLOCK);
default:
BUG();
return 0;
}
}
static unsigned int video_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_buffer *buf;
if (cx25821_res_check(fh, RESOURCE_VIDEO9)) {
/* streaming capture */
if (list_empty(&fh->vidq.stream))
return POLLERR;
buf = list_entry(fh->vidq.stream.next,
struct cx25821_buffer, vb.stream);
} else {
/* read() capture */
buf = (struct cx25821_buffer *)fh->vidq.read_buf;
if (NULL == buf)
return POLLERR;
}
poll_wait(file, &buf->vb.done, wait);
if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR)
return POLLIN | POLLRDNORM;
return 0;
}
static int video_release(struct file *file)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
//stop the risc engine and fifo
//cx_write(channel9->dma_ctl, 0);
/* stop video capture */
if (cx25821_res_check(fh, RESOURCE_VIDEO9)) {
videobuf_queue_cancel(&fh->vidq);
cx25821_res_free(dev, fh, RESOURCE_VIDEO9);
}
if (fh->vidq.read_buf) {
cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
kfree(fh->vidq.read_buf);
}
videobuf_mmap_free(&fh->vidq);
v4l2_prio_close(&dev->prio, fh->prio);
file->private_data = NULL;
kfree(fh);
return 0;
}
static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
return -EINVAL;
}
if (unlikely(i != fh->type)) {
return -EINVAL;
}
if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO9)))) {
return -EBUSY;
}
return videobuf_streamon(get_queue(fh));
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = fh->dev;
int err, res;
if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
if (i != fh->type)
return -EINVAL;
res = cx25821_get_resource(fh, RESOURCE_VIDEO9);
err = videobuf_streamoff(get_queue(fh));
if (err < 0)
return err;
cx25821_res_free(dev, fh, res);
return 0;
}
static long video_ioctl_upstream9(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct cx25821_fh *fh = file->private_data;
struct cx25821_dev *dev = fh->dev;
int command = 0;
struct upstream_user_struct *data_from_user;
data_from_user = (struct upstream_user_struct *)arg;
if (!data_from_user) {
printk
("cx25821 in %s(): Upstream data is INVALID. Returning.\n",
__func__);
return 0;
}
command = data_from_user->command;
if (command != UPSTREAM_START_VIDEO && command != UPSTREAM_STOP_VIDEO) {
return 0;
}
dev->input_filename = data_from_user->input_filename;
dev->input_audiofilename = data_from_user->input_filename;
dev->vid_stdname = data_from_user->vid_stdname;
dev->pixel_format = data_from_user->pixel_format;
dev->channel_select = data_from_user->channel_select;
dev->command = data_from_user->command;
switch (command) {
case UPSTREAM_START_VIDEO:
cx25821_start_upstream_video_ch1(dev, data_from_user);
break;
case UPSTREAM_STOP_VIDEO:
cx25821_stop_upstream_video_ch1(dev);
break;
}
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx25821_fh *fh = priv;
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
dprintk(2, "%s()\n", __func__);
err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
if (0 != err)
return err;
fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
fh->width = f->fmt.pix.width;
fh->height = f->fmt.pix.height;
fh->vidq.field = f->fmt.pix.field;
dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
fh->height, fh->vidq.field);
cx25821_call_all(dev, video, s_fmt, f);
return 0;
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
{
struct cx25821_fh *fh = priv;
return videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
dev->name);
cx25821_call_all(dev, core, log_status);
printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
struct cx25821_fh *fh = priv;
int err;
if (fh) {
err = v4l2_prio_check(&dev->prio, fh->prio);
if (0 != err)
return err;
}
return 0;
}
// exported stuff
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = video_open,
.release = video_release,
.read = video_read,
.poll = video_poll,
.mmap = cx25821_video_mmap,
.ioctl = video_ioctl_upstream9,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = cx25821_vidioc_querycap,
.vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = cx25821_vidioc_reqbufs,
.vidioc_querybuf = cx25821_vidioc_querybuf,
.vidioc_qbuf = cx25821_vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
#ifdef TUNER_FLAG
.vidioc_s_std = cx25821_vidioc_s_std,
.vidioc_querystd = cx25821_vidioc_querystd,
#endif
.vidioc_cropcap = cx25821_vidioc_cropcap,
.vidioc_s_crop = cx25821_vidioc_s_crop,
.vidioc_g_crop = cx25821_vidioc_g_crop,
.vidioc_enum_input = cx25821_vidioc_enum_input,
.vidioc_g_input = cx25821_vidioc_g_input,
.vidioc_s_input = cx25821_vidioc_s_input,
.vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_queryctrl = cx25821_vidioc_queryctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_log_status = vidioc_log_status,
.vidioc_g_priority = cx25821_vidioc_g_priority,
.vidioc_s_priority = cx25821_vidioc_s_priority,
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = cx25821_vidiocgmbuf,
#endif
#ifdef TUNER_FLAG
.vidioc_g_tuner = cx25821_vidioc_g_tuner,
.vidioc_s_tuner = cx25821_vidioc_s_tuner,
.vidioc_g_frequency = cx25821_vidioc_g_frequency,
.vidioc_s_frequency = cx25821_vidioc_s_frequency,
#endif
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx25821_vidioc_g_register,
.vidioc_s_register = cx25821_vidioc_s_register,
#endif
};
struct video_device cx25821_video_template9 = {
.name = "cx25821-upstream9",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX25821_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};

49
drivers/staging/cx25821/cx25821.h
View File

@ -61,7 +61,7 @@
#define FALSE 0
#define LINE_SIZE_D1 1440
// Number of decoders and encoders
/* Number of decoders and encoders */
#define MAX_DECODERS 8
#define MAX_ENCODERS 2
#define QUAD_DECODERS 4
@ -139,6 +139,7 @@ struct cx25821_fh {
/* video capture */
struct cx25821_fmt *fmt;
unsigned int width, height;
int channel_id;
/* vbi capture */
struct videobuf_queue vidq;
@ -236,13 +237,34 @@ struct cx25821_data {
struct sram_channel *channel;
};
struct cx25821_channel {
struct v4l2_prio_state prio;
int ctl_bright;
int ctl_contrast;
int ctl_hue;
int ctl_saturation;
struct cx25821_data timeout_data;
struct video_device *video_dev;
struct cx25821_dmaqueue vidq;
struct sram_channel *sram_channels;
struct mutex lock;
int resources;
int pixel_formats;
int use_cif_resolution;
int cif_width;
};
struct cx25821_dev {
struct list_head devlist;
atomic_t refcount;
struct v4l2_device v4l2_dev;
struct v4l2_prio_state prio;
/* pci stuff */
struct pci_dev *pci;
unsigned char pci_rev, pci_lat;
@ -261,13 +283,12 @@ struct cx25821_dev {
int nr;
struct mutex lock;
struct cx25821_channel channels[MAX_VID_CHANNEL_NUM];
/* board details */
unsigned int board;
char name[32];
/* sram configuration */
struct sram_channel *sram_channels;
/* Analog video */
u32 resources;
unsigned int input;
@ -282,13 +303,6 @@ struct cx25821_dev {
unsigned char videc_addr;
unsigned short _max_num_decoders;
int ctl_bright;
int ctl_contrast;
int ctl_hue;
int ctl_saturation;
struct cx25821_data timeout_data[MAX_VID_CHANNEL_NUM];
/* Analog Audio Upstream */
int _audio_is_running;
int _audiopixel_format;
@ -297,7 +311,7 @@ struct cx25821_dev {
int _audio_lines_count;
int _audioframe_count;
int _audio_upstream_channel_select;
int _last_index_irq; //The last interrupt index processed.
int _last_index_irq; /* The last interrupt index processed. */
__le32 *_risc_audio_jmp_addr;
__le32 *_risc_virt_start_addr;
@ -313,12 +327,10 @@ struct cx25821_dev {
/* V4l */
u32 freq;
struct video_device *video_dev[MAX_VID_CHANNEL_NUM];
struct video_device *vbi_dev;
struct video_device *radio_dev;
struct video_device *ioctl_dev;
struct cx25821_dmaqueue vidq[MAX_VID_CHANNEL_NUM];
spinlock_t slock;
/* Video Upstream */
@ -401,9 +413,6 @@ struct cx25821_dev {
int pixel_format;
int channel_select;
int command;
int pixel_formats[VID_CHANNEL_NUM];
int use_cif_resolution[VID_CHANNEL_NUM];
int cif_width[VID_CHANNEL_NUM];
int channel_opened;
};
@ -482,7 +491,7 @@ struct sram_channel {
u32 fld_aud_fifo_en;
u32 fld_aud_risc_en;
//For Upstream Video
/* For Upstream Video */
u32 vid_fmt_ctl;
u32 vid_active_ctl1;
u32 vid_active_ctl2;