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linux/sound/pci/pcxhr/pcxhr.c
Takashi Iwai b07a14a549 [ALSA] pcxhr - Minor optimization in trigger callback 
Minor optimization in trigger start callback.  This fixes a nasty
compile warning, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
2007-05-11 16:55:54 +02:00

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/*
* Driver for Digigram pcxhr compatible soundcards
*
* main file with alsa callbacks
*
* Copyright (c) 2004 by Digigram <alsa@digigram.com>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sound/driver.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/moduleparam.h>
#include <linux/mutex.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include "pcxhr.h"
#include "pcxhr_mixer.h"
#include "pcxhr_hwdep.h"
#include "pcxhr_core.h"
#define DRIVER_NAME "pcxhr"
MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>");
MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING);
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}");
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
static int mono[SNDRV_CARDS]; /* capture in mono only */
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
module_param_array(mono, bool, NULL, 0444);
MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
enum {
PCI_ID_VX882HR,
PCI_ID_PCX882HR,
PCI_ID_VX881HR,
PCI_ID_PCX881HR,
PCI_ID_PCX1222HR,
PCI_ID_PCX1221HR,
PCI_ID_LAST
};
static struct pci_device_id pcxhr_ids[] = {
{ 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, }, /* VX882HR */
{ 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, }, /* PCX882HR */
{ 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, }, /* VX881HR */
{ 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, }, /* PCX881HR */
{ 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, }, /* PCX1222HR */
{ 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, }, /* PCX1221HR */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, pcxhr_ids);
struct board_parameters {
char* board_name;
short playback_chips;
short capture_chips;
short firmware_num;
};
static struct board_parameters pcxhr_board_params[] = {
[PCI_ID_VX882HR] = { "VX882HR", 4, 4, 41, },
[PCI_ID_PCX882HR] = { "PCX882HR", 4, 4, 41, },
[PCI_ID_VX881HR] = { "VX881HR", 4, 4, 41, },
[PCI_ID_PCX881HR] = { "PCX881HR", 4, 4, 41, },
[PCI_ID_PCX1222HR] = { "PCX1222HR", 6, 1, 42, },
[PCI_ID_PCX1221HR] = { "PCX1221HR", 6, 1, 42, },
};
static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
unsigned int* realfreq)
{
unsigned int reg;
if (freq < 6900 || freq > 110250)
return -EINVAL;
reg = (28224000 * 10) / freq;
reg = (reg + 5) / 10;
if (reg < 0x200)
*pllreg = reg + 0x800;
else if (reg < 0x400)
*pllreg = reg & 0x1ff;
else if (reg < 0x800) {
*pllreg = ((reg >> 1) & 0x1ff) + 0x200;
reg &= ~1;
} else {
*pllreg = ((reg >> 2) & 0x1ff) + 0x400;
reg &= ~3;
}
if (realfreq)
*realfreq = ((28224000 * 10) / reg + 5) / 10;
return 0;
}
#define PCXHR_FREQ_REG_MASK 0x1f
#define PCXHR_FREQ_QUARTZ_48000 0x00
#define PCXHR_FREQ_QUARTZ_24000 0x01
#define PCXHR_FREQ_QUARTZ_12000 0x09
#define PCXHR_FREQ_QUARTZ_32000 0x08
#define PCXHR_FREQ_QUARTZ_16000 0x04
#define PCXHR_FREQ_QUARTZ_8000 0x0c
#define PCXHR_FREQ_QUARTZ_44100 0x02
#define PCXHR_FREQ_QUARTZ_22050 0x0a
#define PCXHR_FREQ_QUARTZ_11025 0x06
#define PCXHR_FREQ_PLL 0x05
#define PCXHR_FREQ_QUARTZ_192000 0x10
#define PCXHR_FREQ_QUARTZ_96000 0x18
#define PCXHR_FREQ_QUARTZ_176400 0x14
#define PCXHR_FREQ_QUARTZ_88200 0x1c
#define PCXHR_FREQ_QUARTZ_128000 0x12
#define PCXHR_FREQ_QUARTZ_64000 0x1a
#define PCXHR_FREQ_WORD_CLOCK 0x0f
#define PCXHR_FREQ_SYNC_AES 0x0e
#define PCXHR_FREQ_AES_1 0x07
#define PCXHR_FREQ_AES_2 0x0b
#define PCXHR_FREQ_AES_3 0x03
#define PCXHR_FREQ_AES_4 0x0d
#define PCXHR_MODIFY_CLOCK_S_BIT 0x04
#define PCXHR_IRQ_TIMER_FREQ 92000
#define PCXHR_IRQ_TIMER_PERIOD 48
static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
unsigned int *reg, unsigned int *freq)
{
unsigned int val, realfreq, pllreg;
struct pcxhr_rmh rmh;
int err;
realfreq = rate;
switch (mgr->use_clock_type) {
case PCXHR_CLOCK_TYPE_INTERNAL : /* clock by quartz or pll */
switch (rate) {
case 48000 : val = PCXHR_FREQ_QUARTZ_48000; break;
case 24000 : val = PCXHR_FREQ_QUARTZ_24000; break;
case 12000 : val = PCXHR_FREQ_QUARTZ_12000; break;
case 32000 : val = PCXHR_FREQ_QUARTZ_32000; break;
case 16000 : val = PCXHR_FREQ_QUARTZ_16000; break;
case 8000 : val = PCXHR_FREQ_QUARTZ_8000; break;
case 44100 : val = PCXHR_FREQ_QUARTZ_44100; break;
case 22050 : val = PCXHR_FREQ_QUARTZ_22050; break;
case 11025 : val = PCXHR_FREQ_QUARTZ_11025; break;
case 192000 : val = PCXHR_FREQ_QUARTZ_192000; break;
case 96000 : val = PCXHR_FREQ_QUARTZ_96000; break;
case 176400 : val = PCXHR_FREQ_QUARTZ_176400; break;
case 88200 : val = PCXHR_FREQ_QUARTZ_88200; break;
case 128000 : val = PCXHR_FREQ_QUARTZ_128000; break;
case 64000 : val = PCXHR_FREQ_QUARTZ_64000; break;
default :
val = PCXHR_FREQ_PLL;
/* get the value for the pll register */
err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
if (err)
return err;
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
rmh.cmd[0] |= IO_NUM_REG_GENCLK;
rmh.cmd[1] = pllreg & MASK_DSP_WORD;
rmh.cmd[2] = pllreg >> 24;
rmh.cmd_len = 3;
err = pcxhr_send_msg(mgr, &rmh);
if (err < 0) {
snd_printk(KERN_ERR
"error CMD_ACCESS_IO_WRITE for PLL register : %x!\n",
err );
return err;
}
}
break;
case PCXHR_CLOCK_TYPE_WORD_CLOCK : val = PCXHR_FREQ_WORD_CLOCK; break;
case PCXHR_CLOCK_TYPE_AES_SYNC : val = PCXHR_FREQ_SYNC_AES; break;
case PCXHR_CLOCK_TYPE_AES_1 : val = PCXHR_FREQ_AES_1; break;
case PCXHR_CLOCK_TYPE_AES_2 : val = PCXHR_FREQ_AES_2; break;
case PCXHR_CLOCK_TYPE_AES_3 : val = PCXHR_FREQ_AES_3; break;
case PCXHR_CLOCK_TYPE_AES_4 : val = PCXHR_FREQ_AES_4; break;
default : return -EINVAL;
}
*reg = val;
*freq = realfreq;
return 0;
}
int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
{
unsigned int val, realfreq, speed;
struct pcxhr_rmh rmh;
int err, changed;
if (rate == 0)
return 0; /* nothing to do */
err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
if (err)
return err;
/* codec speed modes */
if (rate < 55000)
speed = 0; /* single speed */
else if (rate < 100000)
speed = 1; /* dual speed */
else
speed = 2; /* quad speed */
if (mgr->codec_speed != speed) {
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */
rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */
rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
rmh.cmd[1] = speed;
rmh.cmd_len = 2;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
}
/* set the new frequency */
snd_printdd("clock register : set %x\n", val);
err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK, val, &changed);
if (err)
return err;
mgr->sample_rate_real = realfreq;
mgr->cur_clock_type = mgr->use_clock_type;
/* unmute after codec speed modes */
if (mgr->codec_speed != speed) {
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */
rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
mgr->codec_speed = speed; /* save new codec speed */
}
if (changed) {
pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos */
if (rate < PCXHR_IRQ_TIMER_FREQ)
rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
else
rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
rmh.cmd[2] = rate;
rmh.cmd_len = 3;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
}
snd_printdd("pcxhr_set_clock to %dHz (realfreq=%d)\n", rate, realfreq);
return 0;
}
int pcxhr_get_external_clock(struct pcxhr_mgr *mgr, enum pcxhr_clock_type clock_type,
int *sample_rate)
{
struct pcxhr_rmh rmh;
unsigned char reg;
int err, rate;
switch (clock_type) {
case PCXHR_CLOCK_TYPE_WORD_CLOCK : reg = REG_STATUS_WORD_CLOCK; break;
case PCXHR_CLOCK_TYPE_AES_SYNC : reg = REG_STATUS_AES_SYNC; break;
case PCXHR_CLOCK_TYPE_AES_1 : reg = REG_STATUS_AES_1; break;
case PCXHR_CLOCK_TYPE_AES_2 : reg = REG_STATUS_AES_2; break;
case PCXHR_CLOCK_TYPE_AES_3 : reg = REG_STATUS_AES_3; break;
case PCXHR_CLOCK_TYPE_AES_4 : reg = REG_STATUS_AES_4; break;
default : return -EINVAL;
}
pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
rmh.cmd_len = 2;
rmh.cmd[0] |= IO_NUM_REG_STATUS;
if (mgr->last_reg_stat != reg) {
rmh.cmd[1] = reg;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
udelay(100); /* wait minimum 2 sample_frames at 32kHz ! */
mgr->last_reg_stat = reg;
}
rmh.cmd[1] = REG_STATUS_CURRENT;
err = pcxhr_send_msg(mgr, &rmh);
if (err)
return err;
switch (rmh.stat[1] & 0x0f) {
case REG_STATUS_SYNC_32000 : rate = 32000; break;
case REG_STATUS_SYNC_44100 : rate = 44100; break;
case REG_STATUS_SYNC_48000 : rate = 48000; break;
case REG_STATUS_SYNC_64000 : rate = 64000; break;
case REG_STATUS_SYNC_88200 : rate = 88200; break;
case REG_STATUS_SYNC_96000 : rate = 96000; break;
case REG_STATUS_SYNC_128000 : rate = 128000; break;
case REG_STATUS_SYNC_176400 : rate = 176400; break;
case REG_STATUS_SYNC_192000 : rate = 192000; break;
default: rate = 0;
}
snd_printdd("External clock is at %d Hz\n", rate);
*sample_rate = rate;
return 0;
}
/*
* start or stop playback/capture substream
*/
static int pcxhr_set_stream_state(struct pcxhr_stream *stream)
{
int err;
struct snd_pcxhr *chip;
struct pcxhr_rmh rmh;
int stream_mask, start;
if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
start = 1;
else {
if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state CANNOT be stopped\n");
return -EINVAL;
}
start = 0;
}
if (!stream->substream)
return -EINVAL;
stream->timer_abs_periods = 0;
stream->timer_period_frag = 0; /* reset theoretical stream pos */
stream->timer_buf_periods = 0;
stream->timer_is_synced = 0;
stream_mask = stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
stream->pipe->first_audio, 0, stream_mask);
chip = snd_pcm_substream_chip(stream->substream);
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
snd_printk(KERN_ERR "ERROR pcxhr_set_stream_state err=%x;\n", err);
stream->status = start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
return err;
}
#define HEADER_FMT_BASE_LIN 0xfed00000
#define HEADER_FMT_BASE_FLOAT 0xfad00000
#define HEADER_FMT_INTEL 0x00008000
#define HEADER_FMT_24BITS 0x00004000
#define HEADER_FMT_16BITS 0x00002000
#define HEADER_FMT_UPTO11 0x00000200
#define HEADER_FMT_UPTO32 0x00000100
#define HEADER_FMT_MONO 0x00000080
static int pcxhr_set_format(struct pcxhr_stream *stream)
{
int err, is_capture, sample_rate, stream_num;
struct snd_pcxhr *chip;
struct pcxhr_rmh rmh;
unsigned int header;
switch (stream->format) {
case SNDRV_PCM_FORMAT_U8:
header = HEADER_FMT_BASE_LIN;
break;
case SNDRV_PCM_FORMAT_S16_LE:
header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS | HEADER_FMT_INTEL;
break;
case SNDRV_PCM_FORMAT_S16_BE:
header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
break;
case SNDRV_PCM_FORMAT_S24_3LE:
header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS | HEADER_FMT_INTEL;
break;
case SNDRV_PCM_FORMAT_S24_3BE:
header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
break;
case SNDRV_PCM_FORMAT_FLOAT_LE:
header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
break;
default:
snd_printk(KERN_ERR "error pcxhr_set_format() : unknown format\n");
return -EINVAL;
}
chip = snd_pcm_substream_chip(stream->substream);
sample_rate = chip->mgr->sample_rate;
if (sample_rate <= 32000 && sample_rate !=0) {
if (sample_rate <= 11025)
header |= HEADER_FMT_UPTO11;
else
header |= HEADER_FMT_UPTO32;
}
if (stream->channels == 1)
header |= HEADER_FMT_MONO;
is_capture = stream->pipe->is_capture;
stream_num = is_capture ? 0 : stream->substream->number;
pcxhr_init_rmh(&rmh, is_capture ? CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0);
if (is_capture)
rmh.cmd[0] |= 1<<12;
rmh.cmd[1] = 0;
rmh.cmd[2] = header >> 8;
rmh.cmd[3] = (header & 0xff) << 16;
rmh.cmd_len = 4;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
snd_printk(KERN_ERR "ERROR pcxhr_set_format err=%x;\n", err);
return err;
}
static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
{
int err, is_capture, stream_num;
struct pcxhr_rmh rmh;
struct snd_pcm_substream *subs = stream->substream;
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
stream_num = is_capture ? 0 : subs->number;
snd_printdd("pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n",
is_capture ? 'c' : 'p',
chip->chip_idx, (void*)subs->runtime->dma_addr,
subs->runtime->dma_bytes, subs->number);
pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio, stream_num, 0);
snd_assert(subs->runtime->dma_bytes < 0x200000); /* max buffer size is 2 MByte */
rmh.cmd[1] = subs->runtime->dma_bytes * 8; /* size in bits */
rmh.cmd[2] = subs->runtime->dma_addr >> 24; /* most significant byte */
rmh.cmd[2] |= 1<<19; /* this is a circular buffer */
rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD; /* least 3 significant bytes */
rmh.cmd_len = 4;
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err)
snd_printk(KERN_ERR "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
return err;
}
#if 0
static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream, snd_pcm_uframes_t *sample_count)
{
struct pcxhr_rmh rmh;
int err;
pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
1<<stream->pipe->first_audio);
err = pcxhr_send_msg(chip->mgr, &rmh);
if (err == 0) {
*sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
*sample_count += (snd_pcm_uframes_t)rmh.stat[1];
}
snd_printdd("PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
return err;
}
#endif
static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
struct pcxhr_pipe **pipe)
{
if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
*pipe = stream->pipe;
return 1;
}
return 0;
}
static void pcxhr_trigger_tasklet(unsigned long arg)
{
unsigned long flags;
int i, j, err;
struct pcxhr_pipe *pipe;
struct snd_pcxhr *chip;
struct pcxhr_mgr *mgr = (struct pcxhr_mgr*)(arg);
int capture_mask = 0;
int playback_mask = 0;
#ifdef CONFIG_SND_DEBUG_DETECT
struct timeval my_tv1, my_tv2;
do_gettimeofday(&my_tv1);
#endif
mutex_lock(&mgr->setup_mutex);
/* check the pipes concerned and build pipe_array */
for (i = 0; i < mgr->num_cards; i++) {
chip = mgr->chip[i];
for (j = 0; j < chip->nb_streams_capt; j++) {
if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
capture_mask |= (1 << pipe->first_audio);
}
for (j = 0; j < chip->nb_streams_play; j++) {
if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
playback_mask |= (1 << pipe->first_audio);
break; /* add only once, as all playback streams of
* one chip use the same pipe
*/
}
}
}
if (capture_mask == 0 && playback_mask == 0) {
mutex_unlock(&mgr->setup_mutex);
snd_printk(KERN_ERR "pcxhr_trigger_tasklet : no pipes\n");
return;
}
snd_printdd("pcxhr_trigger_tasklet : playback_mask=%x capture_mask=%x\n",
playback_mask, capture_mask);
/* synchronous stop of all the pipes concerned */
err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
if (err) {
mutex_unlock(&mgr->setup_mutex);
snd_printk(KERN_ERR "pcxhr_trigger_tasklet : error stop pipes (P%x C%x)\n",
playback_mask, capture_mask);
return;
}
/* unfortunately the dsp lost format and buffer info with the stop pipe */
for (i = 0; i < mgr->num_cards; i++) {
struct pcxhr_stream *stream;
chip = mgr->chip[i];
for (j = 0; j < chip->nb_streams_capt; j++) {
stream = &chip->capture_stream[j];
if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
err = pcxhr_set_format(stream);
err = pcxhr_update_r_buffer(stream);
}
}
for (j = 0; j < chip->nb_streams_play; j++) {
stream = &chip->playback_stream[j];
if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
err = pcxhr_set_format(stream);
err = pcxhr_update_r_buffer(stream);
}
}
}
/* start all the streams */
for (i = 0; i < mgr->num_cards; i++) {
struct pcxhr_stream *stream;
chip = mgr->chip[i];
for (j = 0; j < chip->nb_streams_capt; j++) {
stream = &chip->capture_stream[j];
if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
err = pcxhr_set_stream_state(stream);
}
for (j = 0; j < chip->nb_streams_play; j++) {
stream = &chip->playback_stream[j];
if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
err = pcxhr_set_stream_state(stream);
}
}
/* synchronous start of all the pipes concerned */
err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
if (err) {
mutex_unlock(&mgr->setup_mutex);
snd_printk(KERN_ERR "pcxhr_trigger_tasklet : error start pipes (P%x C%x)\n",
playback_mask, capture_mask);
return;
}
/* put the streams into the running state now (increment pointer by interrupt) */
spin_lock_irqsave(&mgr->lock, flags);
for ( i =0; i < mgr->num_cards; i++) {
struct pcxhr_stream *stream;
chip = mgr->chip[i];
for(j = 0; j < chip->nb_streams_capt; j++) {
stream = &chip->capture_stream[j];
if(stream->status == PCXHR_STREAM_STATUS_STARTED)
stream->status = PCXHR_STREAM_STATUS_RUNNING;
}
for (j = 0; j < chip->nb_streams_play; j++) {
stream = &chip->playback_stream[j];
if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
/* playback will already have advanced ! */
stream->timer_period_frag += PCXHR_GRANULARITY;
stream->status = PCXHR_STREAM_STATUS_RUNNING;
}
}
}
spin_unlock_irqrestore(&mgr->lock, flags);
mutex_unlock(&mgr->setup_mutex);
#ifdef CONFIG_SND_DEBUG_DETECT
do_gettimeofday(&my_tv2);
snd_printdd("***TRIGGER TASKLET*** TIME = %ld (err = %x)\n",
my_tv2.tv_usec - my_tv1.tv_usec, err);
#endif
}
/*
* trigger callback
*/
static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
{
struct pcxhr_stream *stream;
struct snd_pcm_substream *s;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
snd_printdd("SNDRV_PCM_TRIGGER_START\n");
if (snd_pcm_stream_linked(subs)) {
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
snd_pcm_group_for_each_entry(s, subs) {
stream = s->runtime->private_data;
stream->status =
PCXHR_STREAM_STATUS_SCHEDULE_RUN;
snd_pcm_trigger_done(s, subs);
}
tasklet_hi_schedule(&chip->mgr->trigger_taskq);
} else {
stream = subs->runtime->private_data;
snd_printdd("Only one Substream %c %d\n",
stream->pipe->is_capture ? 'C' : 'P',
stream->pipe->first_audio);
if (pcxhr_set_format(stream))
return -EINVAL;
if (pcxhr_update_r_buffer(stream))
return -EINVAL;
if (pcxhr_set_stream_state(stream))
return -EINVAL;
stream->status = PCXHR_STREAM_STATUS_RUNNING;
}
break;
case SNDRV_PCM_TRIGGER_STOP:
snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
snd_pcm_group_for_each_entry(s, subs) {
stream = s->runtime->private_data;
stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
if (pcxhr_set_stream_state(stream))
return -EINVAL;
snd_pcm_trigger_done(s, subs);
}
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
/* TODO */
default:
return -EINVAL;
}
return 0;
}
static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
{
struct pcxhr_rmh rmh;
int err;
pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
if (start) {
mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID; /* last dsp time invalid */
rmh.cmd[0] |= PCXHR_GRANULARITY;
}
err = pcxhr_send_msg(mgr, &rmh);
if (err < 0)
snd_printk(KERN_ERR "error pcxhr_hardware_timer err(%x)\n", err);
return err;
}
/*
* prepare callback for all pcms
*/
static int pcxhr_prepare(struct snd_pcm_substream *subs)
{
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct pcxhr_mgr *mgr = chip->mgr;
/*
struct pcxhr_stream *stream = (pcxhr_stream_t*)subs->runtime->private_data;
*/
int err = 0;
snd_printdd("pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
subs->runtime->period_size, subs->runtime->periods,
subs->runtime->buffer_size);
/*
if(subs->runtime->period_size <= PCXHR_GRANULARITY) {
snd_printk(KERN_ERR "pcxhr_prepare : error period_size too small (%x)\n",
(unsigned int)subs->runtime->period_size);
return -EINVAL;
}
*/
mutex_lock(&mgr->setup_mutex);
do {
/* if the stream was stopped before, format and buffer were reset */
/*
if(stream->status == PCXHR_STREAM_STATUS_STOPPED) {
err = pcxhr_set_format(stream);
if(err) break;
err = pcxhr_update_r_buffer(stream);
if(err) break;
}
*/
/* only the first stream can choose the sample rate */
/* the further opened streams will be limited to its frequency (see open) */
/* set the clock only once (first stream) */
if (mgr->sample_rate != subs->runtime->rate) {
err = pcxhr_set_clock(mgr, subs->runtime->rate);
if (err)
break;
if (mgr->sample_rate == 0)
/* start the DSP-timer */
err = pcxhr_hardware_timer(mgr, 1);
mgr->sample_rate = subs->runtime->rate;
}
} while(0); /* do only once (so we can use break instead of goto) */
mutex_unlock(&mgr->setup_mutex);
return err;
}
/*
* HW_PARAMS callback for all pcms
*/
static int pcxhr_hw_params(struct snd_pcm_substream *subs,
struct snd_pcm_hw_params *hw)
{
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct pcxhr_mgr *mgr = chip->mgr;
struct pcxhr_stream *stream = subs->runtime->private_data;
snd_pcm_format_t format;
int err;
int channels;
/* set up channels */
channels = params_channels(hw);
/* set up format for the stream */
format = params_format(hw);
mutex_lock(&mgr->setup_mutex);
stream->channels = channels;
stream->format = format;
/* set the format to the board */
/*
err = pcxhr_set_format(stream);
if(err) {
mutex_unlock(&mgr->setup_mutex);
return err;
}
*/
/* allocate buffer */
err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw));
/*
if (err > 0) {
err = pcxhr_update_r_buffer(stream);
}
*/
mutex_unlock(&mgr->setup_mutex);
return err;
}
static int pcxhr_hw_free(struct snd_pcm_substream *subs)
{
snd_pcm_lib_free_pages(subs);
return 0;
}
/*
* CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
*/
static struct snd_pcm_hardware pcxhr_caps =
{
.info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START |
0 /*SNDRV_PCM_INFO_PAUSE*/),
.formats = ( SNDRV_PCM_FMTBIT_U8 |
SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE |
SNDRV_PCM_FMTBIT_FLOAT_LE ),
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_192000,
.rate_min = 8000,
.rate_max = 192000,
.channels_min = 1,
.channels_max = 2,
.buffer_bytes_max = (32*1024),
/* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
.period_bytes_min = (2*PCXHR_GRANULARITY),
.period_bytes_max = (16*1024),
.periods_min = 2,
.periods_max = (32*1024/PCXHR_GRANULARITY),
};
static int pcxhr_open(struct snd_pcm_substream *subs)
{
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct pcxhr_mgr *mgr = chip->mgr;
struct snd_pcm_runtime *runtime = subs->runtime;
struct pcxhr_stream *stream;
int is_capture;
mutex_lock(&mgr->setup_mutex);
/* copy the struct snd_pcm_hardware struct */
runtime->hw = pcxhr_caps;
if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
snd_printdd("pcxhr_open playback chip%d subs%d\n",
chip->chip_idx, subs->number);
is_capture = 0;
stream = &chip->playback_stream[subs->number];
} else {
snd_printdd("pcxhr_open capture chip%d subs%d\n",
chip->chip_idx, subs->number);
is_capture = 1;
if (mgr->mono_capture)
runtime->hw.channels_max = 1;
else
runtime->hw.channels_min = 2;
stream = &chip->capture_stream[subs->number];
}
if (stream->status != PCXHR_STREAM_STATUS_FREE){
/* streams in use */
snd_printk(KERN_ERR "pcxhr_open chip%d subs%d in use\n",
chip->chip_idx, subs->number);
mutex_unlock(&mgr->setup_mutex);
return -EBUSY;
}
/* if a sample rate is already used or fixed by external clock,
* the stream cannot change
*/
if (mgr->sample_rate)
runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
else {
if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
int external_rate;
if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
&external_rate) ||
external_rate == 0) {
/* cannot detect the external clock rate */
mutex_unlock(&mgr->setup_mutex);
return -EBUSY;
}
runtime->hw.rate_min = runtime->hw.rate_max = external_rate;
}
}
stream->status = PCXHR_STREAM_STATUS_OPEN;
stream->substream = subs;
stream->channels = 0; /* not configured yet */
runtime->private_data = stream;
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 4);
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 4);
mgr->ref_count_rate++;
mutex_unlock(&mgr->setup_mutex);
return 0;
}
static int pcxhr_close(struct snd_pcm_substream *subs)
{
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct pcxhr_mgr *mgr = chip->mgr;
struct pcxhr_stream *stream = subs->runtime->private_data;
mutex_lock(&mgr->setup_mutex);
snd_printdd("pcxhr_close chip%d subs%d\n", chip->chip_idx, subs->number);
/* sample rate released */
if (--mgr->ref_count_rate == 0) {
mgr->sample_rate = 0; /* the sample rate is no more locked */
pcxhr_hardware_timer(mgr, 0); /* stop the DSP-timer */
}
stream->status = PCXHR_STREAM_STATUS_FREE;
stream->substream = NULL;
mutex_unlock(&mgr->setup_mutex);
return 0;
}
static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
{
unsigned long flags;
u_int32_t timer_period_frag;
int timer_buf_periods;
struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
struct snd_pcm_runtime *runtime = subs->runtime;
struct pcxhr_stream *stream = runtime->private_data;
spin_lock_irqsave(&chip->mgr->lock, flags);
/* get the period fragment and the nb of periods in the buffer */
timer_period_frag = stream->timer_period_frag;
timer_buf_periods = stream->timer_buf_periods;
spin_unlock_irqrestore(&chip->mgr->lock, flags);
return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
timer_period_frag);
}
static struct snd_pcm_ops pcxhr_ops = {
.open = pcxhr_open,
.close = pcxhr_close,
.ioctl = snd_pcm_lib_ioctl,
.prepare = pcxhr_prepare,
.hw_params = pcxhr_hw_params,
.hw_free = pcxhr_hw_free,
.trigger = pcxhr_trigger,
.pointer = pcxhr_stream_pointer,
};
/*
*/
int pcxhr_create_pcm(struct snd_pcxhr *chip)
{
int err;
struct snd_pcm *pcm;
char name[32];
sprintf(name, "pcxhr %d", chip->chip_idx);
if ((err = snd_pcm_new(chip->card, name, 0,
chip->nb_streams_play,
chip->nb_streams_capt, &pcm)) < 0) {
snd_printk(KERN_ERR "cannot create pcm %s\n", name);
return err;
}
pcm->private_data = chip;
if (chip->nb_streams_play)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
if (chip->nb_streams_capt)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
pcm->info_flags = 0;
strcpy(pcm->name, name);
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->mgr->pci),
32*1024, 32*1024);
chip->pcm = pcm;
return 0;
}
static int pcxhr_chip_free(struct snd_pcxhr *chip)
{
kfree(chip);
return 0;
}
static int pcxhr_chip_dev_free(struct snd_device *device)
{
struct snd_pcxhr *chip = device->device_data;
return pcxhr_chip_free(chip);
}
/*
*/
static int __devinit pcxhr_create(struct pcxhr_mgr *mgr, struct snd_card *card, int idx)
{
int err;
struct snd_pcxhr *chip;
static struct snd_device_ops ops = {
.dev_free = pcxhr_chip_dev_free,
};
mgr->chip[idx] = chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (! chip) {
snd_printk(KERN_ERR "cannot allocate chip\n");
return -ENOMEM;
}
chip->card = card;
chip->chip_idx = idx;
chip->mgr = mgr;
if (idx < mgr->playback_chips)
/* stereo or mono streams */
chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
if (idx < mgr->capture_chips) {
if (mgr->mono_capture)
chip->nb_streams_capt = 2; /* 2 mono streams (left+right) */
else
chip->nb_streams_capt = 1; /* or 1 stereo stream */
}
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
pcxhr_chip_free(chip);
return err;
}
snd_card_set_dev(card, &mgr->pci->dev);
return 0;
}
/* proc interface */
static void pcxhr_proc_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_pcxhr *chip = entry->private_data;
struct pcxhr_mgr *mgr = chip->mgr;
snd_iprintf(buffer, "\n%s\n", mgr->longname);
/* stats available when embedded DSP is running */
if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
struct pcxhr_rmh rmh;
short ver_maj = (mgr->dsp_version >> 16) & 0xff;
short ver_min = (mgr->dsp_version >> 8) & 0xff;
short ver_build = mgr->dsp_version & 0xff;
snd_iprintf(buffer, "module version %s\n", PCXHR_DRIVER_VERSION_STRING);
snd_iprintf(buffer, "dsp version %d.%d.%d\n", ver_maj, ver_min, ver_build);
if (mgr->board_has_analog)
snd_iprintf(buffer, "analog io available\n");
else
snd_iprintf(buffer, "digital only board\n");
/* calc cpu load of the dsp */
pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
if( ! pcxhr_send_msg(mgr, &rmh) ) {
int cur = rmh.stat[0];
int ref = rmh.stat[1];
if (ref > 0) {
if (mgr->sample_rate_real != 0 &&
mgr->sample_rate_real != 48000) {
ref = (ref * 48000) / mgr->sample_rate_real;
if (mgr->sample_rate_real >= PCXHR_IRQ_TIMER_FREQ)
ref *= 2;
}
cur = 100 - (100 * cur) / ref;
snd_iprintf(buffer, "cpu load %d%%\n", cur);
snd_iprintf(buffer, "buffer pool %d/%d kWords\n",
rmh.stat[2], rmh.stat[3]);
}
}
snd_iprintf(buffer, "dma granularity : %d\n", PCXHR_GRANULARITY);
snd_iprintf(buffer, "dsp time errors : %d\n", mgr->dsp_time_err);
snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
mgr->async_err_pipe_xrun);
snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
mgr->async_err_stream_xrun);
snd_iprintf(buffer, "dsp async last other error : %x\n",
mgr->async_err_other_last);
/* debug zone dsp */
rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
rmh.cmd_len = 1;
rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
rmh.dsp_stat = 0;
rmh.cmd_idx = CMD_LAST_INDEX;
if( ! pcxhr_send_msg(mgr, &rmh) ) {
int i;
for (i = 0; i < rmh.stat_len; i++)
snd_iprintf(buffer, "debug[%02d] = %06x\n", i, rmh.stat[i]);
}
} else
snd_iprintf(buffer, "no firmware loaded\n");
snd_iprintf(buffer, "\n");
}
static void pcxhr_proc_sync(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
{
struct snd_pcxhr *chip = entry->private_data;
struct pcxhr_mgr *mgr = chip->mgr;
static char *texts[7] = {
"Internal", "Word", "AES Sync", "AES 1", "AES 2", "AES 3", "AES 4"
};
snd_iprintf(buffer, "\n%s\n", mgr->longname);
snd_iprintf(buffer, "Current Sample Clock\t: %s\n", texts[mgr->cur_clock_type]);
snd_iprintf(buffer, "Current Sample Rate\t= %d\n", mgr->sample_rate_real);
/* commands available when embedded DSP is running */
if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
int i, err, sample_rate;
for (i = PCXHR_CLOCK_TYPE_WORD_CLOCK; i< (3 + mgr->capture_chips); i++) {
err = pcxhr_get_external_clock(mgr, i, &sample_rate);
if (err)
break;
snd_iprintf(buffer, "%s Clock\t\t= %d\n", texts[i], sample_rate);
}
} else
snd_iprintf(buffer, "no firmware loaded\n");
snd_iprintf(buffer, "\n");
}
static void __devinit pcxhr_proc_init(struct snd_pcxhr *chip)
{
struct snd_info_entry *entry;
if (! snd_card_proc_new(chip->card, "info", &entry))
snd_info_set_text_ops(entry, chip, pcxhr_proc_info);
if (! snd_card_proc_new(chip->card, "sync", &entry))
snd_info_set_text_ops(entry, chip, pcxhr_proc_sync);
}
/* end of proc interface */
/*
* release all the cards assigned to a manager instance
*/
static int pcxhr_free(struct pcxhr_mgr *mgr)
{
unsigned int i;
for (i = 0; i < mgr->num_cards; i++) {
if (mgr->chip[i])
snd_card_free(mgr->chip[i]->card);
}
/* reset board if some firmware was loaded */
if(mgr->dsp_loaded) {
pcxhr_reset_board(mgr);
snd_printdd("reset pcxhr !\n");
}
/* release irq */
if (mgr->irq >= 0)
free_irq(mgr->irq, mgr);
pci_release_regions(mgr->pci);
/* free hostport purgebuffer */
if (mgr->hostport.area) {
snd_dma_free_pages(&mgr->hostport);
mgr->hostport.area = NULL;
}
kfree(mgr->prmh);
pci_disable_device(mgr->pci);
kfree(mgr);
return 0;
}
/*
* probe function - creates the card manager
*/
static int __devinit pcxhr_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
{
static int dev;
struct pcxhr_mgr *mgr;
unsigned int i;
int err;
size_t size;
char *card_name;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (! enable[dev]) {
dev++;
return -ENOENT;
}
/* enable PCI device */
if ((err = pci_enable_device(pci)) < 0)
return err;
pci_set_master(pci);
/* check if we can restrict PCI DMA transfers to 32 bits */
if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0) {
snd_printk(KERN_ERR "architecture does not support 32bit PCI busmaster DMA\n");
pci_disable_device(pci);
return -ENXIO;
}
/* alloc card manager */
mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
if (! mgr) {
pci_disable_device(pci);
return -ENOMEM;
}
snd_assert(pci_id->driver_data < PCI_ID_LAST, return -ENODEV);
card_name = pcxhr_board_params[pci_id->driver_data].board_name;
mgr->playback_chips = pcxhr_board_params[pci_id->driver_data].playback_chips;
mgr->capture_chips = pcxhr_board_params[pci_id->driver_data].capture_chips;
mgr->firmware_num = pcxhr_board_params[pci_id->driver_data].firmware_num;
mgr->mono_capture = mono[dev];
/* resource assignment */
if ((err = pci_request_regions(pci, card_name)) < 0) {
kfree(mgr);
pci_disable_device(pci);
return err;
}
for (i = 0; i < 3; i++)
mgr->port[i] = pci_resource_start(pci, i);
mgr->pci = pci;
mgr->irq = -1;
if (request_irq(pci->irq, pcxhr_interrupt, IRQF_SHARED,
card_name, mgr)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
pcxhr_free(mgr);
return -EBUSY;
}
mgr->irq = pci->irq;
sprintf(mgr->shortname, "Digigram %s", card_name);
sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, 0x%lx irq %i", mgr->shortname,
mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
/* ISR spinlock */
spin_lock_init(&mgr->lock);
spin_lock_init(&mgr->msg_lock);
/* init setup mutex*/
mutex_init(&mgr->setup_mutex);
/* init taslket */
tasklet_init(&mgr->msg_taskq, pcxhr_msg_tasklet, (unsigned long) mgr);
tasklet_init(&mgr->trigger_taskq, pcxhr_trigger_tasklet, (unsigned long) mgr);
mgr->prmh = kmalloc(sizeof(*mgr->prmh) +
sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS - PCXHR_SIZE_MAX_STATUS),
GFP_KERNEL);
if (! mgr->prmh) {
pcxhr_free(mgr);
return -ENOMEM;
}
for (i=0; i < PCXHR_MAX_CARDS; i++) {
struct snd_card *card;
char tmpid[16];
int idx;
if (i >= max(mgr->playback_chips, mgr->capture_chips))
break;
mgr->num_cards++;
if (index[dev] < 0)
idx = index[dev];
else
idx = index[dev] + i;
snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : card_name, i);
card = snd_card_new(idx, tmpid, THIS_MODULE, 0);
if (! card) {
snd_printk(KERN_ERR "cannot allocate the card %d\n", i);
pcxhr_free(mgr);
return -ENOMEM;
}
strcpy(card->driver, DRIVER_NAME);
sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i);
sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i);
if ((err = pcxhr_create(mgr, card, i)) < 0) {
pcxhr_free(mgr);
return err;
}
if (i == 0)
/* init proc interface only for chip0 */
pcxhr_proc_init(mgr->chip[i]);
if ((err = snd_card_register(card)) < 0) {
pcxhr_free(mgr);
return err;
}
}
/* create hostport purgebuffer */
size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
size, &mgr->hostport) < 0) {
pcxhr_free(mgr);
return -ENOMEM;
}
/* init purgebuffer */
memset(mgr->hostport.area, 0, size);
/* create a DSP loader */
err = pcxhr_setup_firmware(mgr);
if (err < 0) {
pcxhr_free(mgr);
return err;
}
pci_set_drvdata(pci, mgr);
dev++;
return 0;
}
static void __devexit pcxhr_remove(struct pci_dev *pci)
{
pcxhr_free(pci_get_drvdata(pci));
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
.name = "Digigram pcxhr",
.id_table = pcxhr_ids,
.probe = pcxhr_probe,
.remove = __devexit_p(pcxhr_remove),
};
static int __init pcxhr_module_init(void)
{
return pci_register_driver(&driver);
}
static void __exit pcxhr_module_exit(void)
{
pci_unregister_driver(&driver);
}
module_init(pcxhr_module_init)
module_exit(pcxhr_module_exit)
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