forked from Minki/linux
V4L/DVB (6423): Add tuner-xc2028 driver
Add support for Xceive XC2028/XC3028 tuner driver Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab
parent
1246657785
commit
6cb45879dc
@ -505,6 +505,18 @@ config TUNER_3036
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Say Y here to include support for Philips SAB3036 compatible tuners.
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If in doubt, say N.
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config TUNER_XC2028
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tristate "Xceive xc2028 support for tm5600/tm6000 driver"
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depends on I2C
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select VIDEO_TUNER
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help
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Say Y here to include support for Xceive xc2028 tuner. This is
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required on a few tm5600/tm6000 designs. You should notice
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that this module currently works only with the special
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firmware versions used on those Trident chips.
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If in doubt, say N.
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config VIDEO_VINO
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tristate "SGI Vino Video For Linux (EXPERIMENTAL)"
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depends on I2C && SGI_IP22 && EXPERIMENTAL && VIDEO_V4L2
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@ -6,6 +6,10 @@ zr36067-objs := zoran_procfs.o zoran_device.o \
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zoran_driver.o zoran_card.o
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tuner-objs := tuner-core.o tuner-types.o tda9887.o
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ifneq ($(CONFIG_TUNER_XC2028),)
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tuner-objs += tuner-xc2028.o
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endif
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msp3400-objs := msp3400-driver.o msp3400-kthreads.o
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obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o compat_ioctl32.o \
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@ -193,6 +193,8 @@ static void set_freq(struct i2c_client *c, unsigned long freq)
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set_tv_freq(c, freq);
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t->tv_freq = freq;
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break;
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default:
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tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode);
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}
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}
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@ -320,6 +322,9 @@ static void set_type(struct i2c_client *c, unsigned int type,
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i2c_master_send(c,buffer,4);
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attach_simple_tuner(t);
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break;
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case TUNER_XC2028:
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xc2028_tuner_init(c);
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break;
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case TUNER_TDA9887:
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tda9887_tuner_init(t);
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break;
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@ -70,6 +70,8 @@ struct tuner {
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struct tuner_operations ops;
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};
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extern int xc2028_tuner_init(struct i2c_client *c);
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/* ------------------------------------------------------------------------ */
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extern int tda9887_tuner_init(struct tuner *t);
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391
drivers/media/video/tuner-xc2028.c
Normal file
391
drivers/media/video/tuner-xc2028.c
Normal file
@ -0,0 +1,391 @@
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/* tuner-xc2028
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*
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* Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org)
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* This code is placed under the terms of the GNU General Public License v2
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*/
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#include <linux/i2c.h>
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#include <asm/div64.h>
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#include <linux/firmware.h>
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#include <linux/videodev.h>
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#include <linux/delay.h>
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#include "tuner-driver.h"
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#include "tuner-xc2028.h"
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/* Firmwares used on tm5600/tm6000 + xc2028/xc3028 */
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static const char *firmware_6M = "tm6000_xc3028_DTV_6M.fw";
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static const char *firmware_8M = "tm6000_xc3028_78M.fw";
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static const char *firmware_DK = "tm6000_xc3028_DK_PAL_MTS.fw";
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static const char *firmware_MN = "tm6000_xc3028_MN_BTSC.fw";
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struct xc2028_data {
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v4l2_std_id firm_type; /* video stds supported by current firmware */
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int bandwidth; /* Firmware bandwidth: 6M, 7M or 8M */
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int need_load_generic; /* The generic firmware were loaded? */
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};
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#define i2c_send(rc,c,buf,size) \
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if (size != (rc = i2c_master_send(c, buf, size))) \
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tuner_warn("i2c output error: rc = %d (should be %d)\n", \
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rc, (int)size);
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#define i2c_rcv(rc,c,buf,size) \
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if (size != (rc = i2c_master_recv(c, buf, size))) \
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tuner_warn("i2c input error: rc = %d (should be %d)\n", \
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rc, (int)size);
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#define send_seq(c, data...) \
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{ int rc; \
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const static u8 _val[] = data; \
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if (sizeof(_val) != \
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(rc = i2c_master_send \
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(c, _val, sizeof(_val)))) { \
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printk(KERN_ERR "Error on line %d: %d\n",__LINE__,rc); \
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return; \
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} \
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msleep (10); \
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}
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static int xc2028_get_reg(struct i2c_client *c, u16 reg)
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{
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int rc;
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unsigned char buf[1];
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struct tuner *t = i2c_get_clientdata(c);
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buf[0]= reg;
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i2c_send(rc, c, buf, sizeof(buf));
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if (rc<0)
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return rc;
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if (t->tuner_callback) {
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rc = t->tuner_callback( c->adapter->algo_data,
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XC2028_RESET_CLK, 0);
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if (rc<0)
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return rc;
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}
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i2c_rcv(rc, c, buf, 2);
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if (rc<0)
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return rc;
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return (buf[1])|(buf[0]<<8);
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}
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static int load_firmware (struct i2c_client *c, const char *name)
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{
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const struct firmware *fw=NULL;
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struct tuner *t = i2c_get_clientdata(c);
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unsigned char *p, *endp;
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int len=0, rc=0;
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static const char firmware_ver[] = "tm6000/xcv v1";
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tuner_info("Loading firmware %s\n", name);
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rc = request_firmware(&fw, name, &c->dev);
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if (rc < 0) {
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tuner_info("Error %d while requesting firmware\n", rc);
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return rc;
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}
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p=fw->data;
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endp=p+fw->size;
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if(fw->size==0) {
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tuner_info("Error: firmware size is zero!\n");
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rc=-EINVAL;
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goto err;
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}
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if (fw->size<sizeof(firmware_ver)-1) {
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/* Firmware is incorrect */
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tuner_info("Error: firmware size is less than header (%d<%d)!\n",
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(int)fw->size,(int)sizeof(firmware_ver)-1);
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rc=-EINVAL;
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goto err;
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}
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if (memcmp(p,firmware_ver,sizeof(firmware_ver)-1)) {
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/* Firmware is incorrect */
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tuner_info("Error: firmware is not for tm5600/6000 + Xcv2028/3028!\n");
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rc=-EINVAL;
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goto err;
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}
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p+=sizeof(firmware_ver)-1;
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while(p<endp) {
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if ((*p) & 0x80) {
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/* Special callback command received */
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rc = t->tuner_callback(c->adapter->algo_data,
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XC2028_TUNER_RESET, (*p)&0x7f);
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if (rc<0) {
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tuner_info("Error at RESET code %d\n",
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(*p)&0x7f);
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goto err;
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}
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p++;
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continue;
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}
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len=*p;
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p++;
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if (p+len+1>endp) {
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/* Firmware is incorrect */
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tuner_info("Error: firmware is truncated!\n");
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rc=-EINVAL;
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goto err;
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}
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if (len<=0) {
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tuner_info("Error: firmware file is corrupted!\n");
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rc=-EINVAL;
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goto err;
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}
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i2c_send(rc, c, p, len);
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if (rc<0)
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goto err;
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p+=len;
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if (*p)
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msleep(*p);
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p++;
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}
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err:
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release_firmware(fw);
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return rc;
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}
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static int check_firmware(struct i2c_client *c)
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{
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int rc, version;
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struct tuner *t = i2c_get_clientdata(c);
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struct xc2028_data *xc2028 = t->priv;
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const char *name;
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if (!t->tuner_callback) {
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printk(KERN_ERR "xc2028: need tuner_callback to load firmware\n");
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return -EINVAL;
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}
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if (xc2028->need_load_generic) {
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if (xc2028->bandwidth==6)
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name = firmware_6M;
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else
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name = firmware_8M;
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/* Reset is needed before loading firmware */
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rc = t->tuner_callback(c->adapter->algo_data,
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XC2028_TUNER_RESET, 0);
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if (rc<0)
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return rc;
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rc = load_firmware(c,name);
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if (rc<0)
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return rc;
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xc2028->need_load_generic=0;
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xc2028->firm_type=0;
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}
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if (xc2028->firm_type & t->std)
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return 0;
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if (t->std & V4L2_STD_MN)
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name=firmware_MN;
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else
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name=firmware_DK;
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rc = load_firmware(c,name);
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if (rc<0)
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return rc;
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version = xc2028_get_reg(c, 0x4);
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tuner_info("Firmware version is %d.%d\n",
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(version>>4)&0x0f,(version)&0x0f);
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xc2028->firm_type=t->std;
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return 0;
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}
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static int xc2028_signal(struct i2c_client *c)
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{
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int lock, signal;
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if (check_firmware(c)<0)
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return 0;
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lock = xc2028_get_reg(c, 0x2);
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if (lock<=0)
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return lock;
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/* Frequency is locked. Return signal quality */
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signal = xc2028_get_reg(c, 0x40);
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if(signal<=0)
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return lock;
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return signal;
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}
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#define DIV 15625
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static void set_tv_freq(struct i2c_client *c, unsigned int freq)
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{
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int rc;
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unsigned char buf[5];
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struct tuner *t = i2c_get_clientdata(c);
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unsigned long div = (freq*62500l+DIV/2)/DIV;
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if (check_firmware(c)<0)
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return;
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/* Reset GPIO 1 */
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if (t->tuner_callback) {
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rc = t->tuner_callback( c->adapter->algo_data,
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XC2028_TUNER_RESET, 0);
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if (rc<0)
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return;
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}
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msleep(10);
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send_seq (c, {0x12, 0x39});
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send_seq (c, {0x0c, 0x80, 0xf0, 0xf7, 0x3e, 0x75, 0xc1, 0x8a, 0xe4});
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send_seq (c, {0x0c, 0x02, 0x00});
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send_seq (c, {0x05, 0x0f, 0xee, 0xaa, 0x5f, 0xea, 0x90});
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send_seq (c, {0x06, 0x00, 0x0a, 0x4d, 0x8c, 0xf2, 0xd8, 0xcf, 0x30});
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send_seq (c, {0x06, 0x79, 0x9f});
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send_seq (c, {0x0b, 0x0d, 0xa4, 0x6c});
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send_seq (c, {0x0a, 0x01, 0x67, 0x24, 0x40, 0x08, 0xc3, 0x20, 0x10});
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send_seq (c, {0x0a, 0x64, 0x3c, 0xfa, 0xf7, 0xe1, 0x0c, 0x2c});
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send_seq (c, {0x09, 0x0b});
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send_seq (c, {0x10, 0x13});
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send_seq (c, {0x16, 0x12});
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send_seq (c, {0x1f, 0x02});
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send_seq (c, {0x21, 0x02});
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send_seq (c, {0x01, 0x02});
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send_seq (c, {0x2b, 0x10});
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send_seq (c, {0x02, 0x02});
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send_seq (c, {0x02, 0x03});
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send_seq (c, {0x00, 0x8c});
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send_seq (c, {0x00, 0x01, 0x00, 0x00});
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send_seq (c, {0x00, 0xcc, 0x20, 0x06});
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send_seq (c, {0x2b, 0x1a});
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send_seq (c, {0x2b, 0x1b});
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send_seq (c, {0x14, 0x01, 0x1b, 0x19, 0xb5, 0x29, 0xab, 0x09, 0x55});
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send_seq (c, {0x14, 0x44, 0x05, 0x65});
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send_seq (c, {0x13, 0x18, 0x08, 0x00, 0x00, 0x6c, 0x18, 0x16, 0x8c});
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send_seq (c, {0x13, 0x49, 0x2a, 0xab});
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send_seq (c, {0x0d, 0x01, 0x4b, 0x03, 0x97, 0x55, 0xc7, 0xd7, 0x00});
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send_seq (c, {0x0d, 0xa1, 0xeb, 0x8f, 0x5c});
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send_seq (c, {0x1a, 0x00, 0x00, 0x16, 0x8a, 0x40, 0x00, 0x00, 0x00, 0x20});
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send_seq (c, {0x2d, 0x01});
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send_seq (c, {0x18, 0x00});
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send_seq (c, {0x1b, 0x0d, 0x86, 0x51, 0xd2, 0x35, 0xa4, 0x92, 0xa5});
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send_seq (c, {0x1b, 0xb5, 0x25, 0x65});
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send_seq (c, {0x1d, 0x00});
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send_seq (c, {0x0f, 0x00, 0x29, 0x56, 0xb0, 0x00, 0xb6});
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send_seq (c, {0x20, 0x00});
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send_seq (c, {0x1e, 0x09, 0x02, 0x5b, 0x6c, 0x00, 0x4b, 0x81, 0x56});
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send_seq (c, {0x1e, 0x46, 0x69, 0x0b});
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send_seq (c, {0x22, 0x32});
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send_seq (c, {0x23, 0x0a});
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send_seq (c, {0x25, 0x00, 0x09, 0x90, 0x09, 0x06, 0x64, 0x02, 0x41});
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send_seq (c, {0x26, 0xcc});
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send_seq (c, {0x29, 0x40});
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send_seq (c, {0x21, 0x03});
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send_seq (c, {0x00, 0x8c});
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send_seq (c, {0x00, 0x00, 0x00, 0x00});
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/* CMD= Set frequency */
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send_seq(c, {0x00, 0x02, 0x00, 0x00});
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if (t->tuner_callback) {
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rc = t->tuner_callback( c->adapter->algo_data,
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XC2028_RESET_CLK, 1);
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if (rc<0)
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return;
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}
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msleep(10);
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// send_seq(c, {0x00, 0x00, 0x10, 0xd0, 0x00});
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// msleep(100);
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buf[0]= 0xff & (div>>24);
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buf[1]= 0xff & (div>>16);
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buf[2]= 0xff & (div>>8);
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buf[3]= 0xff & (div);
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buf[4]= 0;
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i2c_send(rc, c, buf, sizeof(buf));
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if (rc<0)
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return;
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msleep(100);
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printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n",
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buf[1],buf[2],buf[3],buf[4],
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freq / 16, freq % 16 * 100 / 16);
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// printk("signal=%d\n",xc2028_signal(c));
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}
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static void xc2028_release(struct i2c_client *c)
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{
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struct tuner *t = i2c_get_clientdata(c);
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kfree(t->priv);
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t->priv = NULL;
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}
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static struct tuner_operations tea5767_tuner_ops = {
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.set_tv_freq = set_tv_freq,
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.has_signal = xc2028_signal,
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.release = xc2028_release,
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// .is_stereo = xc2028_stereo,
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};
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static int init=0;
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int xc2028_tuner_init(struct i2c_client *c)
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{
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struct tuner *t = i2c_get_clientdata(c);
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int version = xc2028_get_reg(c, 0x4);
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int prd_id = xc2028_get_reg(c, 0x8);
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struct xc2028_data *xc2028;
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if (init) {
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printk (KERN_ERR "Module already initialized!\n");
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return 0;
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}
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init++;
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xc2028 = kzalloc(sizeof(*xc2028), GFP_KERNEL);
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if (!xc2028)
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return -ENOMEM;
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t->priv = xc2028;
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#ifdef HACK
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xc2028->firm_type=1;
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xc2028->bandwidth=6;
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#endif
|
||||
xc2028->bandwidth=6;
|
||||
xc2028->need_load_generic=1;
|
||||
|
||||
/* FIXME: Check where t->priv will be freed */
|
||||
|
||||
if (version<0)
|
||||
version=0;
|
||||
|
||||
if (prd_id<0)
|
||||
prd_id=0;
|
||||
|
||||
strlcpy(c->name, "xc2028", sizeof(c->name));
|
||||
tuner_info("type set to %d (%s, hw ver=%d.%d, fw ver=%d.%d, id=0x%04x)\n",
|
||||
t->type, c->name,
|
||||
(version>>12)&0x0f,(version>>8)&0x0f,
|
||||
(version>>4)&0x0f,(version)&0x0f, prd_id);
|
||||
|
||||
memcpy(&t->ops, &tea5767_tuner_ops, sizeof(struct tuner_operations));
|
||||
|
||||
return 0;
|
||||
}
|
||||
9
drivers/media/video/tuner-xc2028.h
Normal file
9
drivers/media/video/tuner-xc2028.h
Normal file
@ -0,0 +1,9 @@
|
||||
/* tuner-xc2028
|
||||
*
|
||||
* Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org)
|
||||
* This code is placed under the terms of the GNU General Public License v2
|
||||
*/
|
||||
|
||||
/* xc2028 commands for callback */
|
||||
#define XC2028_TUNER_RESET 0
|
||||
#define XC2028_RESET_CLK 1
|
||||
Loading…
Reference in New Issue
Block a user