mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
synced 2025-01-09 15:29:16 +00:00
V4L/DVB (6430): Convert tuner-xc2028 driver to the newer hybrid approach
This changeset converts tuner-xc2028 to the newer hybrid approach. It also prevents creating twice the xc3028 private struct by both DVB and V4L parts. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab
parent
3b20532c79
commit
215b95baf9
@ -69,6 +69,7 @@ source "drivers/media/common/Kconfig"
|
||||
config VIDEO_TUNER
|
||||
tristate
|
||||
depends on I2C
|
||||
select TUNER_XC2028 if !VIDEO_TUNER_CUSTOMIZE
|
||||
select TUNER_MT20XX if !VIDEO_TUNER_CUSTOMIZE
|
||||
select TUNER_TDA8290 if !VIDEO_TUNER_CUSTOMIZE
|
||||
select TUNER_TEA5761 if !VIDEO_TUNER_CUSTOMIZE
|
||||
@ -89,6 +90,13 @@ menuconfig VIDEO_TUNER_CUSTOMIZE
|
||||
|
||||
if VIDEO_TUNER_CUSTOMIZE
|
||||
|
||||
config TUNER_XC2028
|
||||
tristate "XCeive xc2028/xc3028 tuners"
|
||||
depends on I2C
|
||||
default m if VIDEO_TUNER_CUSTOMIZE
|
||||
help
|
||||
Say Y here to include support for the xc2028/xc3028 tuners.
|
||||
|
||||
config TUNER_MT20XX
|
||||
tristate "Microtune 2032 / 2050 tuners"
|
||||
depends on I2C
|
||||
|
||||
@ -505,18 +505,6 @@ 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
|
||||
|
||||
@ -6,10 +6,6 @@ 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 \
|
||||
@ -85,6 +81,7 @@ obj-$(CONFIG_TUNER_3036) += tuner-3036.o
|
||||
|
||||
obj-$(CONFIG_VIDEO_TUNER) += tuner.o
|
||||
|
||||
obj-$(CONFIG_TUNER_XC2028) += tuner-xc2028.o
|
||||
obj-$(CONFIG_TUNER_SIMPLE) += tuner-simple.o
|
||||
obj-$(CONFIG_TUNER_MT20XX) += mt20xx.o
|
||||
obj-$(CONFIG_TUNER_TDA8290) += tda8290.o
|
||||
|
||||
@ -24,6 +24,7 @@
|
||||
#include "tda8290.h"
|
||||
#include "tea5761.h"
|
||||
#include "tea5767.h"
|
||||
#include "tuner-xc2028.h"
|
||||
#include "tuner-simple.h"
|
||||
|
||||
#define UNSET (-1U)
|
||||
@ -323,8 +324,17 @@ static void set_type(struct i2c_client *c, unsigned int type,
|
||||
attach_simple_tuner(t);
|
||||
break;
|
||||
case TUNER_XC2028:
|
||||
xc2028_tuner_init(c);
|
||||
{
|
||||
int rc=xc2028_attach(&t->fe, t->i2c.adapter, t->i2c.addr,
|
||||
&c->dev, c->adapter->algo_data,
|
||||
t->tuner_callback);
|
||||
if (rc<0) {
|
||||
t->type = TUNER_ABSENT;
|
||||
t->mode_mask = T_UNINITIALIZED;
|
||||
return;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case TUNER_TDA9887:
|
||||
tda9887_tuner_init(t);
|
||||
break;
|
||||
|
||||
@ -70,8 +70,6 @@ struct tuner {
|
||||
struct tuner_operations ops;
|
||||
};
|
||||
|
||||
extern int xc2028_tuner_init(struct i2c_client *c);
|
||||
|
||||
/* ------------------------------------------------------------------------ */
|
||||
|
||||
extern int tda9887_tuner_init(struct tuner *t);
|
||||
|
||||
@ -13,16 +13,15 @@
|
||||
#include <linux/delay.h>
|
||||
#include <media/tuner.h>
|
||||
#include <linux/mutex.h>
|
||||
#include "tuner-driver.h"
|
||||
#include "tuner-i2c.h"
|
||||
#include "tuner-xc2028.h"
|
||||
|
||||
#include <linux/dvb/frontend.h>
|
||||
#include "dvb_frontend.h"
|
||||
|
||||
/* digital TV standards */
|
||||
#define V4L2_STD_DTV_6MHZ ((v4l2_std_id)0x04000000)
|
||||
#define V4L2_STD_DTV_7MHZ ((v4l2_std_id)0x08000000)
|
||||
#define V4L2_STD_DTV_8MHZ ((v4l2_std_id)0x10000000)
|
||||
#define PREFIX "xc2028 "
|
||||
|
||||
static LIST_HEAD(xc2028_list);
|
||||
|
||||
/* Firmwares used on tm5600/tm6000 + xc2028/xc3028 */
|
||||
|
||||
@ -40,6 +39,15 @@ static const char *firmware_DK = "tm_xc3028_DK_PAL_MTS.fw";
|
||||
static const char *firmware_MN = "tm_xc3028_MN_BTSC.fw";
|
||||
|
||||
struct xc2028_data {
|
||||
struct list_head xc2028_list;
|
||||
struct tuner_i2c_props i2c_props;
|
||||
int (*tuner_callback) (void *dev,
|
||||
int command, int arg);
|
||||
struct device *dev;
|
||||
void *video_dev;
|
||||
int count;
|
||||
u32 frequency;
|
||||
|
||||
v4l2_std_id firm_type; /* video stds supported
|
||||
by current firmware */
|
||||
fe_bandwidth_t bandwidth; /* Firmware bandwidth:
|
||||
@ -48,61 +56,64 @@ struct xc2028_data {
|
||||
were loaded? */
|
||||
enum tuner_mode mode;
|
||||
struct i2c_client *i2c_client;
|
||||
|
||||
struct mutex lock;
|
||||
|
||||
struct mutex lock;
|
||||
};
|
||||
|
||||
#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", \
|
||||
#define i2c_send(rc, priv, buf, size) \
|
||||
if (size != (rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size))) \
|
||||
tuner_info("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", \
|
||||
#define i2c_rcv(rc, priv, buf, size) \
|
||||
if (size != (rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size))) \
|
||||
tuner_info("i2c input error: rc = %d (should be %d)\n", \
|
||||
rc, (int)size);
|
||||
|
||||
#define send_seq(c, data...) \
|
||||
#define send_seq(priv, data...) \
|
||||
{ int rc; \
|
||||
const static u8 _val[] = data; \
|
||||
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; \
|
||||
(rc = tuner_i2c_xfer_send (&priv->i2c_props, \
|
||||
_val, sizeof(_val)))) { \
|
||||
tuner_info("Error on line %d: %d\n",__LINE__,rc); \
|
||||
return -EINVAL; \
|
||||
} \
|
||||
msleep (10); \
|
||||
}
|
||||
|
||||
static int xc2028_get_reg(struct i2c_client *c, u16 reg)
|
||||
static int xc2028_get_reg(struct xc2028_data *priv, u16 reg)
|
||||
{
|
||||
int rc;
|
||||
unsigned char buf[1];
|
||||
struct tuner *t = i2c_get_clientdata(c);
|
||||
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
buf[0]= reg;
|
||||
|
||||
i2c_send(rc, c, buf, sizeof(buf));
|
||||
i2c_send(rc, priv, buf, sizeof(buf));
|
||||
if (rc<0)
|
||||
return rc;
|
||||
|
||||
i2c_rcv(rc, c, buf, 2);
|
||||
i2c_rcv(rc, priv, buf, 2);
|
||||
if (rc<0)
|
||||
return rc;
|
||||
|
||||
return (buf[1])|(buf[0]<<8);
|
||||
}
|
||||
|
||||
static int load_firmware (struct i2c_client *c, const char *name)
|
||||
static int load_firmware (struct dvb_frontend *fe, const char *name)
|
||||
{
|
||||
struct xc2028_data *priv = fe->tuner_priv;
|
||||
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("xc2028: Loading firmware %s\n", name);
|
||||
rc = request_firmware(&fw, name, &c->dev);
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
tuner_info("Loading firmware %s\n", name);
|
||||
rc = request_firmware(&fw, name, priv->dev);
|
||||
if (rc < 0) {
|
||||
if (rc==-ENOENT)
|
||||
tuner_info("Error: firmware %s not found.\n", name);
|
||||
@ -138,7 +149,7 @@ static int load_firmware (struct i2c_client *c, const char *name)
|
||||
while(p<endp) {
|
||||
if ((*p) & 0x80) {
|
||||
/* Special callback command received */
|
||||
rc = t->tuner_callback(c->adapter->algo_data,
|
||||
rc = priv->tuner_callback(priv->video_dev,
|
||||
XC2028_TUNER_RESET, (*p)&0x7f);
|
||||
if (rc<0) {
|
||||
tuner_info("Error at RESET code %d\n",
|
||||
@ -162,7 +173,7 @@ static int load_firmware (struct i2c_client *c, const char *name)
|
||||
goto err;
|
||||
}
|
||||
|
||||
i2c_send(rc, c, p, len);
|
||||
i2c_send(rc, priv, p, len);
|
||||
if (rc<0)
|
||||
goto err;
|
||||
p+=len;
|
||||
@ -179,171 +190,173 @@ err:
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int check_firmware(struct i2c_client *c, enum tuner_mode new_mode,
|
||||
static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode,
|
||||
v4l2_std_id std,
|
||||
fe_bandwidth_t bandwidth)
|
||||
{
|
||||
struct xc2028_data *priv = fe->tuner_priv;
|
||||
int rc, version;
|
||||
struct tuner *t = i2c_get_clientdata(c);
|
||||
struct xc2028_data *xc2028 = t->priv;
|
||||
const char *name;
|
||||
int change_digital_bandwidth;
|
||||
|
||||
if (!t->tuner_callback) {
|
||||
printk(KERN_ERR "xc2028: need tuner_callback to load firmware\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
printk(KERN_INFO "xc2028: I am in mode %u and I should switch to mode %i\n",
|
||||
xc2028->mode, new_mode);
|
||||
tuner_info( "I am in mode %u and I should switch to mode %i\n",
|
||||
priv->mode, new_mode);
|
||||
|
||||
/* first of all, determine whether we have switched the mode */
|
||||
if(new_mode != xc2028->mode) {
|
||||
xc2028->mode = new_mode;
|
||||
xc2028->need_load_generic = 1;
|
||||
if(new_mode != priv->mode) {
|
||||
priv->mode = new_mode;
|
||||
priv->need_load_generic = 1;
|
||||
}
|
||||
|
||||
change_digital_bandwidth = (xc2028->mode == T_DIGITAL_TV
|
||||
&& bandwidth != xc2028->bandwidth) ? 1 : 0;
|
||||
tuner_info("xc2028: old bandwidth %u, new bandwidth %u\n", xc2028->bandwidth,
|
||||
change_digital_bandwidth = (priv->mode == T_DIGITAL_TV
|
||||
&& bandwidth != priv->bandwidth) ? 1 : 0;
|
||||
tuner_info("old bandwidth %u, new bandwidth %u\n", priv->bandwidth,
|
||||
bandwidth);
|
||||
|
||||
if (xc2028->need_load_generic) {
|
||||
if (xc2028->bandwidth==8)
|
||||
if (priv->need_load_generic) {
|
||||
if (priv->bandwidth==8)
|
||||
name = firmware_8MHZ_INIT0;
|
||||
else
|
||||
name = firmware_INIT0;
|
||||
|
||||
/* Reset is needed before loading firmware */
|
||||
rc = t->tuner_callback(c->adapter->algo_data,
|
||||
XC2028_TUNER_RESET, 0);
|
||||
rc = priv->tuner_callback(priv->video_dev,
|
||||
XC2028_TUNER_RESET, 0);
|
||||
if (rc<0)
|
||||
return rc;
|
||||
|
||||
rc = load_firmware(c,name);
|
||||
rc = load_firmware(fe,name);
|
||||
if (rc<0)
|
||||
return rc;
|
||||
|
||||
xc2028->need_load_generic=0;
|
||||
xc2028->firm_type=0;
|
||||
if(xc2028->mode == T_DIGITAL_TV) {
|
||||
priv->need_load_generic=0;
|
||||
priv->firm_type=0;
|
||||
if(priv->mode == T_DIGITAL_TV) {
|
||||
change_digital_bandwidth=1;
|
||||
}
|
||||
}
|
||||
|
||||
tuner_info("xc2028: I should change bandwidth %u\n",
|
||||
tuner_info("I should change bandwidth %u\n",
|
||||
change_digital_bandwidth);
|
||||
|
||||
/* FIXME: t->std makes no sense here */
|
||||
if (change_digital_bandwidth) {
|
||||
switch(bandwidth) {
|
||||
case BANDWIDTH_8_MHZ:
|
||||
t->std = V4L2_STD_DTV_8MHZ;
|
||||
std = V4L2_STD_DTV_8MHZ;
|
||||
break;
|
||||
|
||||
case BANDWIDTH_7_MHZ:
|
||||
t->std = V4L2_STD_DTV_7MHZ;
|
||||
std = V4L2_STD_DTV_7MHZ;
|
||||
break;
|
||||
|
||||
case BANDWIDTH_6_MHZ:
|
||||
t->std = V4L2_STD_DTV_6MHZ;
|
||||
std = V4L2_STD_DTV_6MHZ;
|
||||
break;
|
||||
|
||||
default:
|
||||
tuner_info("error: bandwidth not supported.\n");
|
||||
};
|
||||
xc2028->bandwidth = bandwidth;
|
||||
priv->bandwidth = bandwidth;
|
||||
}
|
||||
|
||||
if (xc2028->firm_type & t->std) {
|
||||
if (priv->firm_type & std) {
|
||||
tuner_info("xc3028: no need to load a std-specific firmware.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
rc = load_firmware(c,firmware_INIT1);
|
||||
rc = load_firmware(fe,firmware_INIT1);
|
||||
|
||||
if (t->std & V4L2_STD_MN)
|
||||
if (std & V4L2_STD_MN)
|
||||
name=firmware_MN;
|
||||
else if (t->std & V4L2_STD_DTV_6MHZ)
|
||||
else if (std & V4L2_STD_DTV_6MHZ)
|
||||
name=firmware_6M;
|
||||
else if (t->std & V4L2_STD_DTV_7MHZ)
|
||||
else if (std & V4L2_STD_DTV_7MHZ)
|
||||
name=firmware_7M;
|
||||
else if (t->std & V4L2_STD_DTV_8MHZ)
|
||||
else if (std & V4L2_STD_DTV_8MHZ)
|
||||
name=firmware_8M;
|
||||
else if (t->std & V4L2_STD_PAL_B)
|
||||
else if (std & V4L2_STD_PAL_B)
|
||||
name=firmware_B;
|
||||
else
|
||||
name=firmware_DK;
|
||||
|
||||
tuner_info("xc2028: loading firmware named %s.\n", name);
|
||||
rc = load_firmware(c, name);
|
||||
tuner_info("loading firmware named %s.\n", name);
|
||||
rc = load_firmware(fe, name);
|
||||
if (rc<0)
|
||||
return rc;
|
||||
|
||||
version = xc2028_get_reg(c, 0x4);
|
||||
version = xc2028_get_reg(priv, 0x4);
|
||||
tuner_info("Firmware version is %d.%d\n",
|
||||
(version>>4)&0x0f,(version)&0x0f);
|
||||
|
||||
xc2028->firm_type=t->std;
|
||||
priv->firm_type=std;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xc2028_signal(struct i2c_client *c)
|
||||
static int xc2028_signal(struct dvb_frontend *fe, u16 *strength)
|
||||
{
|
||||
struct tuner *t = i2c_get_clientdata(c);
|
||||
struct xc2028_data *xc2028 = t->priv;
|
||||
struct xc2028_data *priv = fe->tuner_priv;
|
||||
int frq_lock, signal=0;
|
||||
|
||||
mutex_lock(&xc2028->lock);
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
|
||||
mutex_lock(&priv->lock);
|
||||
|
||||
frq_lock = xc2028_get_reg(c, 0x2);
|
||||
*strength = 0;
|
||||
|
||||
frq_lock = xc2028_get_reg(priv, 0x2);
|
||||
if (frq_lock<=0)
|
||||
goto ret;
|
||||
|
||||
/* Frequency is locked. Return signal quality */
|
||||
|
||||
signal = xc2028_get_reg(c, 0x40);
|
||||
signal = xc2028_get_reg(priv, 0x40);
|
||||
|
||||
if(signal<=0) {
|
||||
signal=frq_lock;
|
||||
}
|
||||
|
||||
ret:
|
||||
mutex_unlock(&xc2028->lock);
|
||||
mutex_unlock(&priv->lock);
|
||||
|
||||
return signal;
|
||||
*strength = signal;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define DIV 15625
|
||||
|
||||
static void generic_set_tv_freq(struct i2c_client *c, u32 freq /* in Hz */,
|
||||
enum tuner_mode new_mode, fe_bandwidth_t bandwidth)
|
||||
static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */,
|
||||
enum tuner_mode new_mode,
|
||||
v4l2_std_id std,
|
||||
fe_bandwidth_t bandwidth)
|
||||
{
|
||||
int rc;
|
||||
struct xc2028_data *priv = fe->tuner_priv;
|
||||
int rc=-EINVAL;
|
||||
unsigned char buf[5];
|
||||
struct tuner *t = i2c_get_clientdata(c);
|
||||
u32 div, offset = 0;
|
||||
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
/* HACK: It seems that specific firmware need to be reloaded
|
||||
when freq is changed */
|
||||
struct xc2028_data *xc2028 = t->priv;
|
||||
|
||||
mutex_lock(&xc2028->lock);
|
||||
mutex_lock(&priv->lock);
|
||||
|
||||
xc2028->firm_type=0;
|
||||
priv->firm_type=0;
|
||||
|
||||
/* Reset GPIO 1 */
|
||||
if (t->tuner_callback) {
|
||||
rc = t->tuner_callback( c->adapter->algo_data,
|
||||
XC2028_TUNER_RESET, 0);
|
||||
if (rc<0)
|
||||
goto ret;
|
||||
}
|
||||
msleep(10);
|
||||
printk("xc3028: should set frequency %d kHz)\n", freq / 1000);
|
||||
rc = priv->tuner_callback(priv->video_dev, XC2028_TUNER_RESET, 0);
|
||||
if (rc<0)
|
||||
goto ret;
|
||||
|
||||
if (check_firmware(c, new_mode, bandwidth)<0)
|
||||
msleep(10);
|
||||
tuner_info("should set frequency %d kHz)\n", freq / 1000);
|
||||
|
||||
if (check_firmware(fe, new_mode, std, bandwidth)<0)
|
||||
goto ret;
|
||||
|
||||
if(new_mode == T_DIGITAL_TV)
|
||||
@ -352,13 +365,10 @@ static void generic_set_tv_freq(struct i2c_client *c, u32 freq /* in Hz */,
|
||||
div = (freq - offset + DIV/2)/DIV;
|
||||
|
||||
/* 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)
|
||||
goto ret;
|
||||
}
|
||||
send_seq(priv, {0x00, 0x02, 0x00, 0x00});
|
||||
rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1);
|
||||
if (rc<0)
|
||||
goto ret;
|
||||
|
||||
msleep(10);
|
||||
|
||||
@ -368,121 +378,82 @@ static void generic_set_tv_freq(struct i2c_client *c, u32 freq /* in Hz */,
|
||||
buf[3]= 0xff & (div);
|
||||
buf[4]= 0;
|
||||
|
||||
i2c_send(rc, c, buf, sizeof(buf));
|
||||
i2c_send(rc, priv, buf, sizeof(buf));
|
||||
if (rc<0)
|
||||
goto ret;
|
||||
msleep(100);
|
||||
|
||||
priv->frequency=freq;
|
||||
|
||||
printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n",
|
||||
buf[1],buf[2],buf[3],buf[4],
|
||||
freq / 16, freq % 16 * 100 / 16);
|
||||
freq / 1000000, (freq%1000000)/10000);
|
||||
|
||||
rc=0;
|
||||
|
||||
ret:
|
||||
mutex_unlock(&xc2028->lock);
|
||||
mutex_unlock(&priv->lock);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
|
||||
static int xc2028_set_tv_freq(struct dvb_frontend *fe,
|
||||
struct analog_parameters *p)
|
||||
{
|
||||
printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
|
||||
struct xc2028_data *priv = fe->tuner_priv;
|
||||
|
||||
generic_set_tv_freq(c, freq * 62500l, T_ANALOG_TV,
|
||||
BANDWIDTH_8_MHZ /* unimportant */);
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
return generic_set_tv_freq(fe, 62500l*p->frequency, T_ANALOG_TV,
|
||||
p->std,
|
||||
BANDWIDTH_8_MHZ /* NOT USED */);
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
tuner_info("Xcv2028/3028 init called!\n");
|
||||
|
||||
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;
|
||||
|
||||
xc2028->bandwidth=BANDWIDTH_6_MHZ;
|
||||
xc2028->need_load_generic=1;
|
||||
xc2028->mode = T_UNINITIALIZED;
|
||||
|
||||
mutex_init(&xc2028->lock);
|
||||
|
||||
/* 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;
|
||||
}
|
||||
|
||||
static int xc3028_set_params(struct dvb_frontend *fe,
|
||||
static int xc2028_set_params(struct dvb_frontend *fe,
|
||||
struct dvb_frontend_parameters *p)
|
||||
{
|
||||
struct i2c_client *c = fe->tuner_priv;
|
||||
struct xc2028_data *priv = fe->tuner_priv;
|
||||
|
||||
printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
generic_set_tv_freq(c, p->frequency, T_DIGITAL_TV,
|
||||
p->u.ofdm.bandwidth);
|
||||
/* FIXME: Only OFDM implemented */
|
||||
if (fe->ops.info.type != FE_OFDM) {
|
||||
tuner_info ("DTV type not implemented.\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return generic_set_tv_freq(fe, p->frequency, T_DIGITAL_TV,
|
||||
0, /* NOT USED */
|
||||
p->u.ofdm.bandwidth);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xc3028_dvb_release(struct dvb_frontend *fe)
|
||||
static int xc2028_dvb_release(struct dvb_frontend *fe)
|
||||
{
|
||||
printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
|
||||
struct xc2028_data *priv = fe->tuner_priv;
|
||||
|
||||
fe->tuner_priv = NULL;
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
priv->count--;
|
||||
|
||||
if (!priv->count)
|
||||
kfree (priv);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xc3028_dvb_init(struct dvb_frontend *fe)
|
||||
static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency)
|
||||
{
|
||||
printk(KERN_INFO "xc2028: %s called\n", __FUNCTION__);
|
||||
struct xc2028_data *priv = fe->tuner_priv;
|
||||
|
||||
tuner_info("%s called\n", __FUNCTION__);
|
||||
|
||||
*frequency = priv->frequency;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct dvb_tuner_ops xc3028_dvb_tuner_ops = {
|
||||
static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = {
|
||||
.info = {
|
||||
.name = "Xceive XC3028",
|
||||
.frequency_min = 42000000,
|
||||
@ -490,33 +461,74 @@ static const struct dvb_tuner_ops xc3028_dvb_tuner_ops = {
|
||||
.frequency_step = 50000,
|
||||
},
|
||||
|
||||
.release = xc3028_dvb_release,
|
||||
.init = xc3028_dvb_init,
|
||||
.set_analog_params = xc2028_set_tv_freq,
|
||||
.release = xc2028_dvb_release,
|
||||
.get_frequency = xc2028_get_frequency,
|
||||
.get_rf_strength = xc2028_signal,
|
||||
.set_params = xc2028_set_params,
|
||||
|
||||
// int (*sleep)(struct dvb_frontend *fe);
|
||||
|
||||
/** This is for simple PLLs - set all parameters in one go. */
|
||||
.set_params = xc3028_set_params,
|
||||
|
||||
/** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
|
||||
// int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
|
||||
|
||||
// int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
|
||||
// int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
|
||||
|
||||
// int (*get_status)(struct dvb_frontend *fe, u32 *status);
|
||||
};
|
||||
|
||||
int xc2028_attach(struct i2c_client *c, struct dvb_frontend *fe)
|
||||
int xc2028_attach(struct dvb_frontend *fe, struct i2c_adapter* i2c_adap,
|
||||
u8 i2c_addr, struct device *dev, void *video_dev,
|
||||
int (*tuner_callback) (void *dev, int command,int arg))
|
||||
{
|
||||
fe->tuner_priv = c;
|
||||
struct xc2028_data *priv;
|
||||
|
||||
memcpy(&fe->ops.tuner_ops, &xc3028_dvb_tuner_ops, sizeof(fe->ops.tuner_ops));
|
||||
printk( KERN_INFO PREFIX "Xcv2028/3028 init called!\n");
|
||||
|
||||
if (NULL == dev)
|
||||
return -ENODEV;
|
||||
|
||||
if (NULL == video_dev)
|
||||
return -ENODEV;
|
||||
|
||||
if (!tuner_callback) {
|
||||
printk( KERN_ERR PREFIX "No tuner callback!\n");
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
list_for_each_entry(priv, &xc2028_list, xc2028_list) {
|
||||
if (priv->dev == dev) {
|
||||
dev = NULL;
|
||||
priv->count++;
|
||||
}
|
||||
}
|
||||
|
||||
if (dev) {
|
||||
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
|
||||
if (priv == NULL)
|
||||
return -ENOMEM;
|
||||
|
||||
fe->tuner_priv = priv;
|
||||
|
||||
priv->bandwidth=BANDWIDTH_6_MHZ;
|
||||
priv->need_load_generic=1;
|
||||
priv->mode = T_UNINITIALIZED;
|
||||
priv->i2c_props.addr = i2c_addr;
|
||||
priv->i2c_props.adap = i2c_adap;
|
||||
priv->dev = dev;
|
||||
priv->video_dev = video_dev;
|
||||
priv->tuner_callback = tuner_callback;
|
||||
|
||||
mutex_init(&priv->lock);
|
||||
|
||||
list_add_tail(&priv->xc2028_list,&xc2028_list);
|
||||
}
|
||||
|
||||
memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops,
|
||||
sizeof(xc2028_dvb_tuner_ops));
|
||||
|
||||
tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
EXPORT_SYMBOL(xc2028_attach);
|
||||
|
||||
MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver");
|
||||
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
@ -4,6 +4,11 @@
|
||||
* This code is placed under the terms of the GNU General Public License v2
|
||||
*/
|
||||
|
||||
#ifndef __TUNER_XC2028_H__
|
||||
#define __TUNER_XC2028_H__
|
||||
|
||||
#include "dvb_frontend.h"
|
||||
|
||||
/* xc2028 commands for callback */
|
||||
#define XC2028_TUNER_RESET 0
|
||||
#define XC2028_RESET_CLK 1
|
||||
@ -11,4 +16,21 @@
|
||||
struct dvb_frontend;
|
||||
struct i2c_client;
|
||||
|
||||
int xc2028_attach(struct i2c_client *c, struct dvb_frontend *fe);
|
||||
#if defined(CONFIG_TUNER_XC2028) || (defined(CONFIG_TUNER_XC2028_MODULE) && defined(MODULE))
|
||||
int xc2028_attach(struct dvb_frontend *fe, struct i2c_adapter* i2c_adap,
|
||||
u8 i2c_addr, struct device *dev, void *video_dev,
|
||||
int (*tuner_callback) (void *dev, int command,int arg));
|
||||
|
||||
#else
|
||||
static inline int xc2028_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter* i2c_adap,
|
||||
u8 i2c_addr, struct device *dev, void *video_dev,
|
||||
int (*tuner_callback) (void *dev, int command,int arg))
|
||||
{
|
||||
printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n",
|
||||
__FUNCTION__);
|
||||
return -EINVAL;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __TUNER_XC2028_H__ */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user