Commit 6cb45879 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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V4L/DVB (6423): Add tuner-xc2028 driver



Add support for Xceive XC2028/XC3028 tuner driver
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 12466577
......@@ -505,6 +505,18 @@ config TUNER_3036
Say Y here to include support for Philips SAB3036 compatible tuners.
If in doubt, say N.
config TUNER_XC2028
tristate "Xceive xc2028 support for tm5600/tm6000 driver"
depends on I2C
select VIDEO_TUNER
help
Say Y here to include support for Xceive xc2028 tuner. This is
required on a few tm5600/tm6000 designs. You should notice
that this module currently works only with the special
firmware versions used on those Trident chips.
If in doubt, say N.
config VIDEO_VINO
tristate "SGI Vino Video For Linux (EXPERIMENTAL)"
depends on I2C && SGI_IP22 && EXPERIMENTAL && VIDEO_V4L2
......
......@@ -6,6 +6,10 @@ zr36067-objs := zoran_procfs.o zoran_device.o \
zoran_driver.o zoran_card.o
tuner-objs := tuner-core.o tuner-types.o tda9887.o
ifneq ($(CONFIG_TUNER_XC2028),)
tuner-objs += tuner-xc2028.o
endif
msp3400-objs := msp3400-driver.o msp3400-kthreads.o
obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o compat_ioctl32.o \
......
......@@ -193,6 +193,8 @@ static void set_freq(struct i2c_client *c, unsigned long freq)
set_tv_freq(c, freq);
t->tv_freq = freq;
break;
default:
tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode);
}
}
......@@ -320,6 +322,9 @@ static void set_type(struct i2c_client *c, unsigned int type,
i2c_master_send(c,buffer,4);
attach_simple_tuner(t);
break;
case TUNER_XC2028:
xc2028_tuner_init(c);
break;
case TUNER_TDA9887:
tda9887_tuner_init(t);
break;
......
......@@ -70,6 +70,8 @@ struct tuner {
struct tuner_operations ops;
};
extern int xc2028_tuner_init(struct i2c_client *c);
/* ------------------------------------------------------------------------ */
extern int tda9887_tuner_init(struct tuner *t);
......
/* 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
*/
#include <linux/i2c.h>
#include <asm/div64.h>
#include <linux/firmware.h>
#include <linux/videodev.h>
#include <linux/delay.h>
#include "tuner-driver.h"
#include "tuner-xc2028.h"
/* Firmwares used on tm5600/tm6000 + xc2028/xc3028 */
static const char *firmware_6M = "tm6000_xc3028_DTV_6M.fw";
static const char *firmware_8M = "tm6000_xc3028_78M.fw";
static const char *firmware_DK = "tm6000_xc3028_DK_PAL_MTS.fw";
static const char *firmware_MN = "tm6000_xc3028_MN_BTSC.fw";
struct xc2028_data {
v4l2_std_id firm_type; /* video stds supported by current firmware */
int bandwidth; /* Firmware bandwidth: 6M, 7M or 8M */
int need_load_generic; /* The generic firmware were loaded? */
};
#define i2c_send(rc,c,buf,size) \
if (size != (rc = i2c_master_send(c, buf, size))) \
tuner_warn("i2c output error: rc = %d (should be %d)\n", \
rc, (int)size);
#define i2c_rcv(rc,c,buf,size) \
if (size != (rc = i2c_master_recv(c, buf, size))) \
tuner_warn("i2c input error: rc = %d (should be %d)\n", \
rc, (int)size);
#define send_seq(c, data...) \
{ int rc; \
const static u8 _val[] = data; \
if (sizeof(_val) != \
(rc = i2c_master_send \
(c, _val, sizeof(_val)))) { \
printk(KERN_ERR "Error on line %d: %d\n",__LINE__,rc); \
return; \
} \
msleep (10); \
}
static int xc2028_get_reg(struct i2c_client *c, u16 reg)
{
int rc;
unsigned char buf[1];
struct tuner *t = i2c_get_clientdata(c);
buf[0]= reg;
i2c_send(rc, c, buf, sizeof(buf));
if (rc<0)
return rc;
if (t->tuner_callback) {
rc = t->tuner_callback( c->adapter->algo_data,
XC2028_RESET_CLK, 0);
if (rc<0)
return rc;
}
i2c_rcv(rc, c, buf, 2);
if (rc<0)
return rc;
return (buf[1])|(buf[0]<<8);
}
static int load_firmware (struct i2c_client *c, const char *name)
{
const struct firmware *fw=NULL;
struct tuner *t = i2c_get_clientdata(c);
unsigned char *p, *endp;
int len=0, rc=0;
static const char firmware_ver[] = "tm6000/xcv v1";
tuner_info("Loading firmware %s\n", name);
rc = request_firmware(&fw, name, &c->dev);
if (rc < 0) {
tuner_info("Error %d while requesting firmware\n", rc);
return rc;
}
p=fw->data;
endp=p+fw->size;
if(fw->size==0) {
tuner_info("Error: firmware size is zero!\n");
rc=-EINVAL;
goto err;
}
if (fw->size<sizeof(firmware_ver)-1) {
/* Firmware is incorrect */
tuner_info("Error: firmware size is less than header (%d<%d)!\n",
(int)fw->size,(int)sizeof(firmware_ver)-1);
rc=-EINVAL;
goto err;
}
if (memcmp(p,firmware_ver,sizeof(firmware_ver)-1)) {
/* Firmware is incorrect */
tuner_info("Error: firmware is not for tm5600/6000 + Xcv2028/3028!\n");
rc=-EINVAL;
goto err;
}
p+=sizeof(firmware_ver)-1;
while(p<endp) {
if ((*p) & 0x80) {
/* Special callback command received */
rc = t->tuner_callback(c->adapter->algo_data,
XC2028_TUNER_RESET, (*p)&0x7f);
if (rc<0) {
tuner_info("Error at RESET code %d\n",
(*p)&0x7f);
goto err;
}
p++;
continue;
}
len=*p;
p++;
if (p+len+1>endp) {
/* Firmware is incorrect */
tuner_info("Error: firmware is truncated!\n");
rc=-EINVAL;
goto err;
}
if (len<=0) {
tuner_info("Error: firmware file is corrupted!\n");
rc=-EINVAL;
goto err;
}
i2c_send(rc, c, p, len);
if (rc<0)
goto err;
p+=len;
if (*p)
msleep(*p);
p++;
}
err:
release_firmware(fw);
return rc;
}
static int check_firmware(struct i2c_client *c)
{
int rc, version;
struct tuner *t = i2c_get_clientdata(c);
struct xc2028_data *xc2028 = t->priv;
const char *name;
if (!t->tuner_callback) {
printk(KERN_ERR "xc2028: need tuner_callback to load firmware\n");
return -EINVAL;
}
if (xc2028->need_load_generic) {
if (xc2028->bandwidth==6)
name = firmware_6M;
else
name = firmware_8M;
/* Reset is needed before loading firmware */
rc = t->tuner_callback(c->adapter->algo_data,
XC2028_TUNER_RESET, 0);
if (rc<0)
return rc;
rc = load_firmware(c,name);
if (rc<0)
return rc;
xc2028->need_load_generic=0;
xc2028->firm_type=0;
}
if (xc2028->firm_type & t->std)
return 0;
if (t->std & V4L2_STD_MN)
name=firmware_MN;
else
name=firmware_DK;
rc = load_firmware(c,name);
if (rc<0)
return rc;
version = xc2028_get_reg(c, 0x4);
tuner_info("Firmware version is %d.%d\n",
(version>>4)&0x0f,(version)&0x0f);
xc2028->firm_type=t->std;
return 0;
}
static int xc2028_signal(struct i2c_client *c)
{
int lock, signal;
if (check_firmware(c)<0)
return 0;
lock = xc2028_get_reg(c, 0x2);
if (lock<=0)
return lock;
/* Frequency is locked. Return signal quality */
signal = xc2028_get_reg(c, 0x40);
if(signal<=0)
return lock;
return signal;
}
#define DIV 15625
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
{
int rc;
unsigned char buf[5];
struct tuner *t = i2c_get_clientdata(c);
unsigned long div = (freq*62500l+DIV/2)/DIV;
if (check_firmware(c)<0)
return;
/* Reset GPIO 1 */
if (t->tuner_callback) {
rc = t->tuner_callback( c->adapter->algo_data,
XC2028_TUNER_RESET, 0);
if (rc<0)
return;
}
msleep(10);
send_seq (c, {0x12, 0x39});
send_seq (c, {0x0c, 0x80, 0xf0, 0xf7, 0x3e, 0x75, 0xc1, 0x8a, 0xe4});
send_seq (c, {0x0c, 0x02, 0x00});
send_seq (c, {0x05, 0x0f, 0xee, 0xaa, 0x5f, 0xea, 0x90});
send_seq (c, {0x06, 0x00, 0x0a, 0x4d, 0x8c, 0xf2, 0xd8, 0xcf, 0x30});
send_seq (c, {0x06, 0x79, 0x9f});
send_seq (c, {0x0b, 0x0d, 0xa4, 0x6c});
send_seq (c, {0x0a, 0x01, 0x67, 0x24, 0x40, 0x08, 0xc3, 0x20, 0x10});
send_seq (c, {0x0a, 0x64, 0x3c, 0xfa, 0xf7, 0xe1, 0x0c, 0x2c});
send_seq (c, {0x09, 0x0b});
send_seq (c, {0x10, 0x13});
send_seq (c, {0x16, 0x12});
send_seq (c, {0x1f, 0x02});
send_seq (c, {0x21, 0x02});
send_seq (c, {0x01, 0x02});
send_seq (c, {0x2b, 0x10});
send_seq (c, {0x02, 0x02});
send_seq (c, {0x02, 0x03});
send_seq (c, {0x00, 0x8c});
send_seq (c, {0x00, 0x01, 0x00, 0x00});
send_seq (c, {0x00, 0xcc, 0x20, 0x06});
send_seq (c, {0x2b, 0x1a});
send_seq (c, {0x2b, 0x1b});
send_seq (c, {0x14, 0x01, 0x1b, 0x19, 0xb5, 0x29, 0xab, 0x09, 0x55});
send_seq (c, {0x14, 0x44, 0x05, 0x65});
send_seq (c, {0x13, 0x18, 0x08, 0x00, 0x00, 0x6c, 0x18, 0x16, 0x8c});
send_seq (c, {0x13, 0x49, 0x2a, 0xab});
send_seq (c, {0x0d, 0x01, 0x4b, 0x03, 0x97, 0x55, 0xc7, 0xd7, 0x00});
send_seq (c, {0x0d, 0xa1, 0xeb, 0x8f, 0x5c});
send_seq (c, {0x1a, 0x00, 0x00, 0x16, 0x8a, 0x40, 0x00, 0x00, 0x00, 0x20});
send_seq (c, {0x2d, 0x01});
send_seq (c, {0x18, 0x00});
send_seq (c, {0x1b, 0x0d, 0x86, 0x51, 0xd2, 0x35, 0xa4, 0x92, 0xa5});
send_seq (c, {0x1b, 0xb5, 0x25, 0x65});
send_seq (c, {0x1d, 0x00});
send_seq (c, {0x0f, 0x00, 0x29, 0x56, 0xb0, 0x00, 0xb6});
send_seq (c, {0x20, 0x00});
send_seq (c, {0x1e, 0x09, 0x02, 0x5b, 0x6c, 0x00, 0x4b, 0x81, 0x56});
send_seq (c, {0x1e, 0x46, 0x69, 0x0b});
send_seq (c, {0x22, 0x32});
send_seq (c, {0x23, 0x0a});
send_seq (c, {0x25, 0x00, 0x09, 0x90, 0x09, 0x06, 0x64, 0x02, 0x41});
send_seq (c, {0x26, 0xcc});
send_seq (c, {0x29, 0x40});
send_seq (c, {0x21, 0x03});
send_seq (c, {0x00, 0x8c});
send_seq (c, {0x00, 0x00, 0x00, 0x00});
/* CMD= Set frequency */
send_seq(c, {0x00, 0x02, 0x00, 0x00});
if (t->tuner_callback) {
rc = t->tuner_callback( c->adapter->algo_data,
XC2028_RESET_CLK, 1);
if (rc<0)
return;
}
msleep(10);
// send_seq(c, {0x00, 0x00, 0x10, 0xd0, 0x00});
// msleep(100);
buf[0]= 0xff & (div>>24);
buf[1]= 0xff & (div>>16);
buf[2]= 0xff & (div>>8);
buf[3]= 0xff & (div);
buf[4]= 0;
i2c_send(rc, c, buf, sizeof(buf));
if (rc<0)
return;
msleep(100);
printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n",
buf[1],buf[2],buf[3],buf[4],
freq / 16, freq % 16 * 100 / 16);
// printk("signal=%d\n",xc2028_signal(c));
}
static void xc2028_release(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
kfree(t->priv);
t->priv = NULL;
}
static struct tuner_operations tea5767_tuner_ops = {
.set_tv_freq = set_tv_freq,
.has_signal = xc2028_signal,
.release = xc2028_release,
// .is_stereo = xc2028_stereo,
};
static int init=0;
int xc2028_tuner_init(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
int version = xc2028_get_reg(c, 0x4);
int prd_id = xc2028_get_reg(c, 0x8);
struct xc2028_data *xc2028;
if (init) {
printk (KERN_ERR "Module already initialized!\n");
return 0;
}
init++;
xc2028 = kzalloc(sizeof(*xc2028), GFP_KERNEL);
if (!xc2028)
return -ENOMEM;
t->priv = xc2028;
#ifdef HACK
xc2028->firm_type=1;
xc2028->bandwidth=6;
#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;
}
/* 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
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