#include <linux/videodev.h>
#include <media/tuner.h>
#include <media/tuner-types.h>
-#include <media/v4l2-common.h>
-#include "tuner-driver.h"
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-i2c-drv-legacy.h>
#include "mt20xx.h"
#include "tda8290.h"
#include "tea5761.h"
#include "tuner-xc2028.h"
#include "tuner-simple.h"
#include "tda9887.h"
+#include "xc5000.h"
#define UNSET (-1U)
+#define PREFIX t->i2c->driver->driver.name
+
+/** This macro allows us to probe dynamically, avoiding static links */
+#ifdef CONFIG_MEDIA_ATTACH
+#define tuner_symbol_probe(FUNCTION, ARGS...) ({ \
+ int __r = -EINVAL; \
+ typeof(&FUNCTION) __a = symbol_request(FUNCTION); \
+ if (__a) { \
+ __r = (int) __a(ARGS); \
+ symbol_put(FUNCTION); \
+ } else { \
+ printk(KERN_ERR "TUNER: Unable to find " \
+ "symbol "#FUNCTION"()\n"); \
+ } \
+ __r; \
+})
+
+static void tuner_detach(struct dvb_frontend *fe)
+{
+ if (fe->ops.tuner_ops.release) {
+ fe->ops.tuner_ops.release(fe);
+ symbol_put_addr(fe->ops.tuner_ops.release);
+ }
+ if (fe->ops.analog_ops.release) {
+ fe->ops.analog_ops.release(fe);
+ symbol_put_addr(fe->ops.analog_ops.release);
+ }
+}
+#else
+#define tuner_symbol_probe(FUNCTION, ARGS...) ({ \
+ FUNCTION(ARGS); \
+})
+
+static void tuner_detach(struct dvb_frontend *fe)
+{
+ if (fe->ops.tuner_ops.release)
+ fe->ops.tuner_ops.release(fe);
+ if (fe->ops.analog_ops.release)
+ fe->ops.analog_ops.release(fe);
+}
+#endif
+
+struct tuner {
+ /* device */
+ struct dvb_frontend fe;
+ struct i2c_client *i2c;
+ struct v4l2_subdev sd;
+ struct list_head list;
+ unsigned int using_v4l2:1;
+
+ /* keep track of the current settings */
+ v4l2_std_id std;
+ unsigned int tv_freq;
+ unsigned int radio_freq;
+ unsigned int audmode;
+
+ unsigned int mode;
+ unsigned int mode_mask; /* Combination of allowable modes */
+
+ unsigned int type; /* chip type id */
+ unsigned int config;
+ const char *name;
+};
+
+static inline struct tuner *to_tuner(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct tuner, sd);
+}
+
/* standard i2c insmod options */
static unsigned short normal_i2c[] = {
-#if defined(CONFIG_TUNER_TEA5761) || (defined(CONFIG_TUNER_TEA5761_MODULE) && defined(MODULE))
+#if defined(CONFIG_MEDIA_TUNER_TEA5761) || (defined(CONFIG_MEDIA_TUNER_TEA5761_MODULE) && defined(MODULE))
0x10,
#endif
0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
I2C_CLIENT_INSMOD;
/* insmod options used at init time => read/only */
-static unsigned int addr = 0;
-static unsigned int no_autodetect = 0;
-static unsigned int show_i2c = 0;
+static unsigned int addr;
+static unsigned int no_autodetect;
+static unsigned int show_i2c;
/* insmod options used at runtime => read/write */
-int tuner_debug = 0;
+static int tuner_debug;
+
+#define tuner_warn(fmt, arg...) do { \
+ printk(KERN_WARNING "%s %d-%04x: " fmt, PREFIX, \
+ i2c_adapter_id(t->i2c->adapter), \
+ t->i2c->addr, ##arg); \
+ } while (0)
+
+#define tuner_info(fmt, arg...) do { \
+ printk(KERN_INFO "%s %d-%04x: " fmt, PREFIX, \
+ i2c_adapter_id(t->i2c->adapter), \
+ t->i2c->addr, ##arg); \
+ } while (0)
+
+#define tuner_err(fmt, arg...) do { \
+ printk(KERN_ERR "%s %d-%04x: " fmt, PREFIX, \
+ i2c_adapter_id(t->i2c->adapter), \
+ t->i2c->addr, ##arg); \
+ } while (0)
+
+#define tuner_dbg(fmt, arg...) do { \
+ if (tuner_debug) \
+ printk(KERN_DEBUG "%s %d-%04x: " fmt, PREFIX, \
+ i2c_adapter_id(t->i2c->adapter), \
+ t->i2c->addr, ##arg); \
+ } while (0)
+
+/* ------------------------------------------------------------------------ */
static unsigned int tv_range[2] = { 44, 958 };
static unsigned int radio_range[2] = { 65, 108 };
MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
MODULE_LICENSE("GPL");
-static struct i2c_driver driver;
-static struct i2c_client client_template;
-
/* ---------------------------------------------------------------------- */
-static void fe_set_freq(struct dvb_frontend *fe, unsigned int freq)
+static void fe_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
struct tuner *t = fe->analog_demod_priv;
- struct analog_parameters params = {
- .frequency = freq,
- .mode = t->mode,
- .audmode = t->audmode,
- .std = t->std
- };
-
if (NULL == fe_tuner_ops->set_analog_params) {
tuner_warn("Tuner frontend module has no way to set freq\n");
return;
}
- fe_tuner_ops->set_analog_params(fe, ¶ms);
-}
-
-static void fe_release(struct dvb_frontend *fe)
-{
- if (fe->ops.tuner_ops.release)
- fe->ops.tuner_ops.release(fe);
-
- fe->ops.analog_demod_ops = NULL;
-
- /* DO NOT kfree(fe->analog_demod_priv)
- *
- * If we are in this function, analog_demod_priv contains a pointer
- * to struct tuner *t. This will be kfree'd in tuner_detach().
- *
- * Otherwise, fe->ops.analog_demod_ops->release will
- * handle the cleanup for analog demodulator modules.
- */
- fe->analog_demod_priv = NULL;
+ fe_tuner_ops->set_analog_params(fe, params);
}
static void fe_standby(struct dvb_frontend *fe)
return strength;
}
+static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
+ struct tuner *t = fe->analog_demod_priv;
+
+ if (fe_tuner_ops->set_config)
+ return fe_tuner_ops->set_config(fe, priv_cfg);
+
+ tuner_warn("Tuner frontend module has no way to set config\n");
+
+ return 0;
+}
+
static void tuner_status(struct dvb_frontend *fe);
-static struct analog_tuner_ops tuner_core_ops = {
- .set_tv_freq = fe_set_freq,
- .set_radio_freq = fe_set_freq,
+static struct analog_demod_ops tuner_analog_ops = {
+ .set_params = fe_set_params,
.standby = fe_standby,
- .release = fe_release,
.has_signal = fe_has_signal,
+ .set_config = fe_set_config,
.tuner_status = tuner_status
};
/* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
{
- struct tuner *t = i2c_get_clientdata(c);
- struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+
+ struct analog_parameters params = {
+ .mode = t->mode,
+ .audmode = t->audmode,
+ .std = t->std
+ };
if (t->type == UNSET) {
tuner_warn ("tuner type not set\n");
return;
}
- if ((NULL == ops) || (NULL == ops->set_tv_freq)) {
+ if (NULL == analog_ops->set_params) {
tuner_warn ("Tuner has no way to set tv freq\n");
return;
}
else
freq = tv_range[1] * 16;
}
- ops->set_tv_freq(&t->fe, freq);
+ params.frequency = freq;
+
+ analog_ops->set_params(&t->fe, ¶ms);
}
static void set_radio_freq(struct i2c_client *c, unsigned int freq)
{
- struct tuner *t = i2c_get_clientdata(c);
- struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+
+ struct analog_parameters params = {
+ .mode = t->mode,
+ .audmode = t->audmode,
+ .std = t->std
+ };
if (t->type == UNSET) {
tuner_warn ("tuner type not set\n");
return;
}
- if ((NULL == ops) || (NULL == ops->set_radio_freq)) {
+ if (NULL == analog_ops->set_params) {
tuner_warn ("tuner has no way to set radio frequency\n");
return;
}
else
freq = radio_range[1] * 16000;
}
+ params.frequency = freq;
- ops->set_radio_freq(&t->fe, freq);
+ analog_ops->set_params(&t->fe, ¶ms);
}
static void set_freq(struct i2c_client *c, unsigned long freq)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
switch (t->mode) {
case V4L2_TUNER_RADIO:
((t->i2c->addr < 0x64) || (t->i2c->addr > 0x6f)))
return;
+ /* We already know that the XC5000 can only be located at
+ * i2c address 0x61, 0x62, 0x63 or 0x64 */
+ if ((t->type == TUNER_XC5000) &&
+ ((t->i2c->addr <= 0x64)) && (t->i2c->addr >= 0x61))
+ return;
+
tuner_warn("====================== WARNING! ======================\n");
tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n");
tuner_warn("will soon be dropped. This message indicates that your\n");
tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n",
- t->i2c->name, t->i2c->addr);
+ t->name, t->i2c->addr);
tuner_warn("To ensure continued support for your device, please\n");
tuner_warn("send a copy of this message, along with full dmesg\n");
tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n");
tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n");
tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n",
- t->i2c->adapter->name, t->i2c->addr, t->type,
- tuners[t->type].name);
+ t->i2c->adapter->name, t->i2c->addr, t->type, t->name);
tuner_warn("====================== WARNING! ======================\n");
}
-static void attach_simple_tuner(struct tuner *t)
-{
- struct simple_tuner_config cfg = {
- .type = t->type,
- .tun = &tuners[t->type]
- };
- simple_tuner_attach(&t->fe, t->i2c->adapter, t->i2c->addr, &cfg);
-}
+static struct xc5000_config xc5000_cfg;
static void set_type(struct i2c_client *c, unsigned int type,
unsigned int new_mode_mask, unsigned int new_config,
- int (*tuner_callback) (void *dev, int command,int arg))
+ int (*tuner_callback) (void *dev, int component, int cmd, int arg))
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
- struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
unsigned char buffer[4];
if (type == UNSET || type == TUNER_ABSENT) {
return;
}
- if (type >= tuner_count) {
- tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count);
- return;
- }
-
t->type = type;
t->config = new_config;
if (tuner_callback != NULL) {
tuner_dbg("defining GPIO callback\n");
- t->tuner_callback = tuner_callback;
+ t->fe.callback = tuner_callback;
}
- /* This code detects calls by card attach_inform */
- if (NULL == t->i2c.dev.driver) {
+ if (t->mode == T_UNINITIALIZED) {
tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr);
return;
}
/* discard private data, in case set_type() was previously called */
- if (ops && ops->release)
- ops->release(&t->fe);
+ tuner_detach(&t->fe);
+ t->fe.analog_demod_priv = NULL;
switch (t->type) {
case TUNER_MT2032:
- microtune_attach(&t->fe, t->i2c->adapter, t->i2c->addr);
+ if (!dvb_attach(microtune_attach,
+ &t->fe, t->i2c->adapter, t->i2c->addr))
+ goto attach_failed;
break;
case TUNER_PHILIPS_TDA8290:
{
- tda829x_attach(t);
+ struct tda829x_config cfg = {
+ .lna_cfg = t->config,
+ };
+ if (!dvb_attach(tda829x_attach, &t->fe, t->i2c->adapter,
+ t->i2c->addr, &cfg))
+ goto attach_failed;
break;
}
case TUNER_TEA5767:
- if (tea5767_attach(&t->fe, t->i2c->adapter, t->i2c->addr) == NULL) {
- t->type = TUNER_ABSENT;
- t->mode_mask = T_UNINITIALIZED;
- return;
- }
+ if (!dvb_attach(tea5767_attach, &t->fe,
+ t->i2c->adapter, t->i2c->addr))
+ goto attach_failed;
t->mode_mask = T_RADIO;
break;
case TUNER_TEA5761:
- if (tea5761_attach(&t->fe, t->i2c->adapter, t->i2c->addr) == NULL) {
- t->type = TUNER_ABSENT;
- t->mode_mask = T_UNINITIALIZED;
- return;
- }
+ if (!dvb_attach(tea5761_attach, &t->fe,
+ t->i2c->adapter, t->i2c->addr))
+ goto attach_failed;
t->mode_mask = T_RADIO;
break;
case TUNER_PHILIPS_FMD1216ME_MK3:
buffer[2] = 0x86;
buffer[3] = 0x54;
i2c_master_send(c, buffer, 4);
- attach_simple_tuner(t);
+ if (!dvb_attach(simple_tuner_attach, &t->fe,
+ t->i2c->adapter, t->i2c->addr, t->type))
+ goto attach_failed;
break;
case TUNER_PHILIPS_TD1316:
buffer[0] = 0x0b;
buffer[1] = 0xdc;
buffer[2] = 0x86;
buffer[3] = 0xa4;
- i2c_master_send(c,buffer,4);
- attach_simple_tuner(t);
+ i2c_master_send(c, buffer, 4);
+ if (!dvb_attach(simple_tuner_attach, &t->fe,
+ t->i2c->adapter, t->i2c->addr, t->type))
+ goto attach_failed;
break;
case TUNER_XC2028:
{
- 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;
- }
+ struct xc2028_config cfg = {
+ .i2c_adap = t->i2c->adapter,
+ .i2c_addr = t->i2c->addr,
+ };
+ if (!dvb_attach(xc2028_attach, &t->fe, &cfg))
+ goto attach_failed;
break;
}
case TUNER_TDA9887:
- tda9887_attach(t);
+ if (!dvb_attach(tda9887_attach,
+ &t->fe, t->i2c->adapter, t->i2c->addr))
+ goto attach_failed;
break;
- default:
- attach_simple_tuner(t);
+ case TUNER_XC5000:
+ {
+ struct dvb_tuner_ops *xc_tuner_ops;
+
+ xc5000_cfg.i2c_address = t->i2c->addr;
+ xc5000_cfg.if_khz = 5380;
+ if (!dvb_attach(xc5000_attach,
+ &t->fe, t->i2c->adapter, &xc5000_cfg))
+ goto attach_failed;
+
+ xc_tuner_ops = &t->fe.ops.tuner_ops;
+ if (xc_tuner_ops->init)
+ xc_tuner_ops->init(&t->fe);
break;
}
+ default:
+ if (!dvb_attach(simple_tuner_attach, &t->fe,
+ t->i2c->adapter, t->i2c->addr, t->type))
+ goto attach_failed;
- ops = t->fe.ops.analog_demod_ops;
+ break;
+ }
- if (((NULL == ops) ||
- ((NULL == ops->set_tv_freq) && (NULL == ops->set_radio_freq))) &&
+ if ((NULL == analog_ops->set_params) &&
(fe_tuner_ops->set_analog_params)) {
- strlcpy(t->i2c->name, fe_tuner_ops->info.name,
- sizeof(t->i2c->name));
- t->fe.ops.analog_demod_ops = &tuner_core_ops;
+ t->name = fe_tuner_ops->info.name;
+
t->fe.analog_demod_priv = t;
+ memcpy(analog_ops, &tuner_analog_ops,
+ sizeof(struct analog_demod_ops));
+
+ } else {
+ t->name = analog_ops->info.name;
}
- tuner_info("type set to %s\n", t->i2c->name);
+ tuner_dbg("type set to %s\n", t->name);
if (t->mode_mask == T_UNINITIALIZED)
t->mode_mask = new_mode_mask;
- set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq);
+ /* xc2028/3028 and xc5000 requires a firmware to be set-up later
+ trying to set a frequency here will just fail
+ FIXME: better to move set_freq to the tuner code. This is needed
+ on analog tuners for PLL to properly work
+ */
+ if (t->type != TUNER_XC2028 && t->type != TUNER_XC5000)
+ set_freq(c, (V4L2_TUNER_RADIO == t->mode) ?
+ t->radio_freq : t->tv_freq);
+
tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
c->adapter->name, c->driver->driver.name, c->addr << 1, type,
t->mode_mask);
tuner_i2c_address_check(t);
+ return;
+
+attach_failed:
+ tuner_dbg("Tuner attach for type = %d failed.\n", t->type);
+ t->type = TUNER_ABSENT;
+ t->mode_mask = T_UNINITIALIZED;
+
+ return;
}
/*
static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup)
{
- struct tuner *t = i2c_get_clientdata(c);
-
- tuner_dbg("set addr for type %i\n", t->type);
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) &&
(t->mode_mask & tun_setup->mode_mask))) ||
(tun_setup->addr == c->addr)) {
set_type(c, tun_setup->type, tun_setup->mode_mask,
tun_setup->config, tun_setup->tuner_callback);
- }
+ } else
+ tuner_dbg("set addr discarded for type %i, mask %x. "
+ "Asked to change tuner at addr 0x%02x, with mask %x\n",
+ t->type, t->mode_mask,
+ tun_setup->addr, tun_setup->mode_mask);
}
static inline int check_mode(struct tuner *t, char *cmd)
{
if ((1 << t->mode & t->mode_mask) == 0) {
- return EINVAL;
+ return -EINVAL;
}
switch (t->mode) {
{
struct tuner *t = fe->analog_demod_priv;
unsigned long freq, freq_fraction;
- struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
- struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
+ struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
+ struct analog_demod_ops *analog_ops = &fe->ops.analog_ops;
const char *p;
switch (t->mode) {
if (tuner_status & TUNER_STATUS_STEREO)
tuner_info("Stereo: yes\n");
}
- if (ops) {
- if (ops->has_signal)
- tuner_info("Signal strength: %d\n",
- ops->has_signal(fe));
- if (ops->is_stereo)
- tuner_info("Stereo: %s\n",
- ops->is_stereo(fe) ? "yes" : "no");
- }
+ if (analog_ops->has_signal)
+ tuner_info("Signal strength: %d\n",
+ analog_ops->has_signal(fe));
+ if (analog_ops->is_stereo)
+ tuner_info("Stereo: %s\n",
+ analog_ops->is_stereo(fe) ? "yes" : "no");
}
/* ---------------------------------------------------------------------- */
-/* static vars: used only in tuner_attach and tuner_probe */
-static unsigned default_mode_mask;
-
-/* During client attach, set_type is called by adapter's attach_inform callback.
- set_type must then be completed by tuner_attach.
- */
-static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
-{
- struct i2c_client *client;
- struct tuner *t;
-
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (NULL == client)
- return -ENOMEM;
-
- t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
- if (NULL == t) {
- kfree(client);
- return -ENOMEM;
- }
- t->i2c = client;
- client_template.adapter = adap;
- client_template.addr = addr;
- memcpy(client, &client_template, sizeof(struct i2c_client));
- i2c_set_clientdata(client, t);
- t->type = UNSET;
- t->audmode = V4L2_TUNER_MODE_STEREO;
- t->mode_mask = T_UNINITIALIZED;
-
- if (show_i2c) {
- unsigned char buffer[16];
- int i,rc;
-
- memset(buffer, 0, sizeof(buffer));
- rc = i2c_master_recv(client, buffer, sizeof(buffer));
- tuner_info("I2C RECV = ");
- for (i=0;i<rc;i++)
- printk("%02x ",buffer[i]);
- printk("\n");
- }
- /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */
- if (adap->id == I2C_HW_SAA7146 && addr < 0x4a)
- return -ENODEV;
-
- /* autodetection code based on the i2c addr */
- if (!no_autodetect) {
- switch (addr) {
- case 0x10:
- if (tea5761_autodetection(t->i2c->adapter, t->i2c->addr) != EINVAL) {
- t->type = TUNER_TEA5761;
- t->mode_mask = T_RADIO;
- t->mode = T_STANDBY;
- t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
- default_mode_mask &= ~T_RADIO;
-
- goto register_client;
- }
- break;
- case 0x42:
- case 0x43:
- case 0x4a:
- case 0x4b:
- /* If chip is not tda8290, don't register.
- since it can be tda9887*/
- if (tda8290_probe(t) == 0) {
- tuner_dbg("chip at addr %x is a tda8290\n", addr);
- } else {
- /* Default is being tda9887 */
- t->type = TUNER_TDA9887;
- t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
- t->mode = T_STANDBY;
- goto register_client;
- }
- break;
- case 0x60:
- if (tea5767_autodetection(t->i2c->adapter, t->i2c->addr) != EINVAL) {
- t->type = TUNER_TEA5767;
- t->mode_mask = T_RADIO;
- t->mode = T_STANDBY;
- t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
- default_mode_mask &= ~T_RADIO;
-
- goto register_client;
- }
- break;
- }
- }
-
- /* Initializes only the first adapter found */
- if (default_mode_mask != T_UNINITIALIZED) {
- tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask);
- t->mode_mask = default_mode_mask;
- t->tv_freq = 400 * 16; /* Sets freq to VHF High */
- t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
- default_mode_mask = T_UNINITIALIZED;
- }
-
- /* Should be just before return */
-register_client:
- tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name);
- i2c_attach_client (client);
- set_type (client,t->type, t->mode_mask, t->config, t->tuner_callback);
- return 0;
-}
-
-static int tuner_probe(struct i2c_adapter *adap)
-{
- if (0 != addr) {
- normal_i2c[0] = addr;
- normal_i2c[1] = I2C_CLIENT_END;
- }
-
- /* HACK: Ignore 0x6b and 0x6f on cx88 boards.
- * FusionHDTV5 RT Gold has an ir receiver at 0x6b
- * and an RTC at 0x6f which can get corrupted if probed.
- */
- if ((adap->id == I2C_HW_B_CX2388x) ||
- (adap->id == I2C_HW_B_CX23885)) {
- unsigned int i = 0;
-
- while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END)
- i += 2;
- if (i + 4 < I2C_CLIENT_MAX_OPTS) {
- ignore[i+0] = adap->nr;
- ignore[i+1] = 0x6b;
- ignore[i+2] = adap->nr;
- ignore[i+3] = 0x6f;
- ignore[i+4] = I2C_CLIENT_END;
- } else
- printk(KERN_WARNING "tuner: "
- "too many options specified "
- "in i2c probe ignore list!\n");
- }
-
- default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
-
- if (adap->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adap, &addr_data, tuner_attach);
- return 0;
-}
-
-static int tuner_detach(struct i2c_client *client)
-{
- struct tuner *t = i2c_get_clientdata(client);
- struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
- int err;
-
- err = i2c_detach_client(t->i2c);
- if (err) {
- tuner_warn
- ("Client deregistration failed, client not detached.\n");
- return err;
- }
-
- if (ops && ops->release)
- ops->release(&t->fe);
-
- kfree(t);
- kfree(client);
- return 0;
-}
-
/*
* Switch tuner to other mode. If tuner support both tv and radio,
* set another frequency to some value (This is needed for some pal
static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
{
- struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
if (mode == t->mode)
return 0;
t->mode = mode;
- if (check_mode(t, cmd) == EINVAL) {
+ if (check_mode(t, cmd) == -EINVAL) {
+ tuner_dbg("Tuner doesn't support this mode. "
+ "Putting tuner to sleep\n");
t->mode = T_STANDBY;
- if (ops && ops->standby)
- ops->standby(&t->fe);
- return EINVAL;
+ if (analog_ops->standby)
+ analog_ops->standby(&t->fe);
+ return -EINVAL;
}
return 0;
}
return 0;
}
-static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int tuner_s_type_addr(struct v4l2_subdev *sd, struct tuner_setup *type)
{
- struct tuner *t = i2c_get_clientdata(client);
- struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
- struct analog_tuner_ops *ops = t->fe.ops.analog_demod_ops;
+ struct tuner *t = to_tuner(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ tuner_dbg("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n",
+ type->type,
+ type->addr,
+ type->mode_mask,
+ type->config);
+
+ set_addr(client, type);
+ return 0;
+}
+
+static int tuner_s_radio(struct v4l2_subdev *sd)
+{
+ struct tuner *t = to_tuner(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO")
+ == -EINVAL)
+ return 0;
+ if (t->radio_freq)
+ set_freq(client, t->radio_freq);
+ return 0;
+}
+
+static int tuner_s_standby(struct v4l2_subdev *sd, u32 standby)
+{
+ struct tuner *t = to_tuner(sd);
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
- if (tuner_debug>1)
- v4l_i2c_print_ioctl(client,cmd);
+ tuner_dbg("Putting tuner to sleep\n");
+
+ if (check_mode(t, "TUNER_SET_STANDBY") == -EINVAL)
+ return 0;
+ t->mode = T_STANDBY;
+ if (analog_ops->standby)
+ analog_ops->standby(&t->fe);
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ALLOW_V4L1
+static long tuner_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
+{
+ struct tuner *t = to_tuner(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
switch (cmd) {
- /* --- configuration --- */
- case TUNER_SET_TYPE_ADDR:
- tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n",
- ((struct tuner_setup *)arg)->type,
- ((struct tuner_setup *)arg)->addr,
- ((struct tuner_setup *)arg)->mode_mask,
- ((struct tuner_setup *)arg)->config);
-
- set_addr(client, (struct tuner_setup *)arg);
- break;
- case AUDC_SET_RADIO:
- if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO")
- == EINVAL)
- return 0;
- if (t->radio_freq)
- set_freq(client, t->radio_freq);
- break;
- case TUNER_SET_STANDBY:
- if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
- return 0;
- t->mode = T_STANDBY;
- if (ops && ops->standby)
- ops->standby(&t->fe);
- break;
-#ifdef CONFIG_VIDEO_V4L1
case VIDIOCSAUDIO:
- if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
+ if (check_mode(t, "VIDIOCSAUDIO") == -EINVAL)
return 0;
- if (check_v4l2(t) == EINVAL)
+ if (check_v4l2(t) == -EINVAL)
return 0;
/* Should be implemented, since bttv calls it */
};
struct video_channel *vc = arg;
- if (check_v4l2(t) == EINVAL)
+ if (check_v4l2(t) == -EINVAL)
return 0;
- if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL)
+ if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==-EINVAL)
return 0;
if (vc->norm < ARRAY_SIZE(map))
{
unsigned long *v = arg;
- if (check_mode(t, "VIDIOCSFREQ") == EINVAL)
+ if (check_mode(t, "VIDIOCSFREQ") == -EINVAL)
return 0;
- if (check_v4l2(t) == EINVAL)
+ if (check_v4l2(t) == -EINVAL)
return 0;
set_freq(client, *v);
{
struct video_tuner *vt = arg;
- if (check_mode(t, "VIDIOCGTUNER") == EINVAL)
+ if (check_mode(t, "VIDIOCGTUNER") == -EINVAL)
return 0;
- if (check_v4l2(t) == EINVAL)
+ if (check_v4l2(t) == -EINVAL)
return 0;
if (V4L2_TUNER_RADIO == t->mode) {
else
vt->flags &= ~VIDEO_TUNER_STEREO_ON;
} else {
- if (ops && ops->is_stereo) {
- if (ops->is_stereo(&t->fe))
+ if (analog_ops->is_stereo) {
+ if (analog_ops->is_stereo(&t->fe))
vt->flags |=
VIDEO_TUNER_STEREO_ON;
else
~VIDEO_TUNER_STEREO_ON;
}
}
- if (ops && ops->has_signal)
- vt->signal = ops->has_signal(&t->fe);
+ if (analog_ops->has_signal)
+ vt->signal =
+ analog_ops->has_signal(&t->fe);
vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */
{
struct video_audio *va = arg;
- if (check_mode(t, "VIDIOCGAUDIO") == EINVAL)
+ if (check_mode(t, "VIDIOCGAUDIO") == -EINVAL)
return 0;
- if (check_v4l2(t) == EINVAL)
+ if (check_v4l2(t) == -EINVAL)
return 0;
if (V4L2_TUNER_RADIO == t->mode) {
fe_tuner_ops->get_status(&t->fe, &tuner_status);
va->mode = (tuner_status & TUNER_STATUS_STEREO)
? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
- } else if (ops && ops->is_stereo)
- va->mode = ops->is_stereo(&t->fe)
+ } else if (analog_ops->is_stereo)
+ va->mode = analog_ops->is_stereo(&t->fe)
? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
}
return 0;
}
+ }
+ return -ENOIOCTLCMD;
+}
#endif
- case TUNER_SET_CONFIG:
- {
- struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
- struct v4l2_priv_tun_config *cfg = arg;
- if (t->type != cfg->tuner)
- break;
-
- if (t->type == TUNER_TDA9887) {
- t->tda9887_config = *(unsigned int *)cfg->priv;
- set_freq(client, t->tv_freq);
- break;
- }
+static int tuner_s_config(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *cfg)
+{
+ struct tuner *t = to_tuner(sd);
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
- if (NULL == fe_tuner_ops->set_config) {
- tuner_warn("Tuner frontend module has no way to "
- "set config\n");
- break;
- }
- fe_tuner_ops->set_config(&t->fe, cfg->priv);
+ if (t->type != cfg->tuner)
+ return 0;
- break;
+ if (analog_ops->set_config) {
+ analog_ops->set_config(&t->fe, cfg->priv);
+ return 0;
}
- /* --- v4l ioctls --- */
- /* take care: bttv does userspace copying, we'll get a
- kernel pointer here... */
- case VIDIOC_S_STD:
- {
- v4l2_std_id *id = arg;
- if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD")
- == EINVAL)
- return 0;
+ tuner_dbg("Tuner frontend module has no way to set config\n");
+ return 0;
+}
- switch_v4l2();
+/* --- v4l ioctls --- */
+/* take care: bttv does userspace copying, we'll get a
+ kernel pointer here... */
+static int tuner_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct tuner *t = to_tuner(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- t->std = *id;
- tuner_fixup_std(t);
- if (t->tv_freq)
- set_freq(client, t->tv_freq);
- break;
- }
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
+ if (set_mode(client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD")
+ == -EINVAL)
+ return 0;
- if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY")
- == EINVAL)
- return 0;
- switch_v4l2();
- set_freq(client,f->frequency);
+ switch_v4l2();
- break;
- }
- case VIDIOC_G_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
+ t->std = std;
+ tuner_fixup_std(t);
+ if (t->tv_freq)
+ set_freq(client, t->tv_freq);
+ return 0;
+}
- if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL)
- return 0;
- switch_v4l2();
- f->type = t->mode;
- if (fe_tuner_ops->get_frequency) {
- u32 abs_freq;
-
- fe_tuner_ops->get_frequency(&t->fe, &abs_freq);
- f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
- (abs_freq * 2 + 125/2) / 125 :
- (abs_freq + 62500/2) / 62500;
- break;
- }
- f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
- t->radio_freq : t->tv_freq;
- break;
- }
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *tuner = arg;
+static int tuner_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
+{
+ struct tuner *t = to_tuner(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
- return 0;
- switch_v4l2();
-
- tuner->type = t->mode;
- if (ops && ops->get_afc)
- tuner->afc = ops->get_afc(&t->fe);
- if (t->mode == V4L2_TUNER_ANALOG_TV)
- tuner->capability |= V4L2_TUNER_CAP_NORM;
- if (t->mode != V4L2_TUNER_RADIO) {
- tuner->rangelow = tv_range[0] * 16;
- tuner->rangehigh = tv_range[1] * 16;
- break;
- }
+ if (set_mode(client, t, f->type, "VIDIOC_S_FREQUENCY")
+ == -EINVAL)
+ return 0;
+ switch_v4l2();
+ set_freq(client, f->frequency);
- /* radio mode */
- tuner->rxsubchans =
- V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
- if (fe_tuner_ops->get_status) {
- u32 tuner_status;
-
- fe_tuner_ops->get_status(&t->fe, &tuner_status);
- tuner->rxsubchans =
- (tuner_status & TUNER_STATUS_STEREO) ?
- V4L2_TUNER_SUB_STEREO :
- V4L2_TUNER_SUB_MONO;
- } else {
- if (ops && ops->is_stereo) {
- tuner->rxsubchans =
- ops->is_stereo(&t->fe) ?
- V4L2_TUNER_SUB_STEREO :
- V4L2_TUNER_SUB_MONO;
- }
- }
- if (ops && ops->has_signal)
- tuner->signal = ops->has_signal(&t->fe);
- tuner->capability |=
- V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
- tuner->audmode = t->audmode;
- tuner->rangelow = radio_range[0] * 16000;
- tuner->rangehigh = radio_range[1] * 16000;
- break;
- }
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *tuner = arg;
+ return 0;
+}
- if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL)
- return 0;
+static int tuner_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
+{
+ struct tuner *t = to_tuner(sd);
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+
+ if (check_mode(t, "VIDIOC_G_FREQUENCY") == -EINVAL)
+ return 0;
+ switch_v4l2();
+ f->type = t->mode;
+ if (fe_tuner_ops->get_frequency) {
+ u32 abs_freq;
+
+ fe_tuner_ops->get_frequency(&t->fe, &abs_freq);
+ f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
+ (abs_freq * 2 + 125/2) / 125 :
+ (abs_freq + 62500/2) / 62500;
+ return 0;
+ }
+ f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
+ t->radio_freq : t->tv_freq;
+ return 0;
+}
- switch_v4l2();
+static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct tuner *t = to_tuner(sd);
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
- /* do nothing unless we're a radio tuner */
- if (t->mode != V4L2_TUNER_RADIO)
- break;
- t->audmode = tuner->audmode;
- set_radio_freq(client, t->radio_freq);
- break;
+ if (check_mode(t, "VIDIOC_G_TUNER") == -EINVAL)
+ return 0;
+ switch_v4l2();
+
+ vt->type = t->mode;
+ if (analog_ops->get_afc)
+ vt->afc = analog_ops->get_afc(&t->fe);
+ if (t->mode == V4L2_TUNER_ANALOG_TV)
+ vt->capability |= V4L2_TUNER_CAP_NORM;
+ if (t->mode != V4L2_TUNER_RADIO) {
+ vt->rangelow = tv_range[0] * 16;
+ vt->rangehigh = tv_range[1] * 16;
+ return 0;
+ }
+
+ /* radio mode */
+ vt->rxsubchans =
+ V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
+ if (fe_tuner_ops->get_status) {
+ u32 tuner_status;
+
+ fe_tuner_ops->get_status(&t->fe, &tuner_status);
+ vt->rxsubchans =
+ (tuner_status & TUNER_STATUS_STEREO) ?
+ V4L2_TUNER_SUB_STEREO :
+ V4L2_TUNER_SUB_MONO;
+ } else {
+ if (analog_ops->is_stereo) {
+ vt->rxsubchans =
+ analog_ops->is_stereo(&t->fe) ?
+ V4L2_TUNER_SUB_STEREO :
+ V4L2_TUNER_SUB_MONO;
}
- case VIDIOC_LOG_STATUS:
- if (ops && ops->tuner_status)
- ops->tuner_status(&t->fe);
- break;
}
+ if (analog_ops->has_signal)
+ vt->signal = analog_ops->has_signal(&t->fe);
+ vt->capability |=
+ V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
+ vt->audmode = t->audmode;
+ vt->rangelow = radio_range[0] * 16000;
+ vt->rangehigh = radio_range[1] * 16000;
+ return 0;
+}
+
+static int tuner_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct tuner *t = to_tuner(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ if (check_mode(t, "VIDIOC_S_TUNER") == -EINVAL)
+ return 0;
+
+ switch_v4l2();
+
+ /* do nothing unless we're a radio tuner */
+ if (t->mode != V4L2_TUNER_RADIO)
+ return 0;
+ t->audmode = vt->audmode;
+ set_radio_freq(client, t->radio_freq);
return 0;
}
+static int tuner_log_status(struct v4l2_subdev *sd)
+{
+ struct tuner *t = to_tuner(sd);
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+
+ if (analog_ops->tuner_status)
+ analog_ops->tuner_status(&t->fe);
+ return 0;
+}
+
+static int tuner_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+ return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
+}
+
static int tuner_suspend(struct i2c_client *c, pm_message_t state)
{
- struct tuner *t = i2c_get_clientdata (c);
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
- tuner_dbg ("suspend\n");
+ tuner_dbg("suspend\n");
/* FIXME: power down ??? */
return 0;
}
static int tuner_resume(struct i2c_client *c)
{
- struct tuner *t = i2c_get_clientdata (c);
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
- tuner_dbg ("resume\n");
+ tuner_dbg("resume\n");
if (V4L2_TUNER_RADIO == t->mode) {
if (t->radio_freq)
set_freq(c, t->radio_freq);
/* ----------------------------------------------------------------------- */
-static struct i2c_driver driver = {
- .id = I2C_DRIVERID_TUNER,
- .attach_adapter = tuner_probe,
- .detach_client = tuner_detach,
- .command = tuner_command,
- .suspend = tuner_suspend,
- .resume = tuner_resume,
- .driver = {
- .name = "tuner",
- },
+static const struct v4l2_subdev_core_ops tuner_core_ops = {
+ .log_status = tuner_log_status,
+ .s_standby = tuner_s_standby,
+#ifdef CONFIG_VIDEO_ALLOW_V4L1
+ .ioctl = tuner_ioctl,
+#endif
};
-static struct i2c_client client_template = {
- .name = "(tuner unset)",
- .driver = &driver,
+
+static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = {
+ .s_std = tuner_s_std,
+ .s_radio = tuner_s_radio,
+ .g_tuner = tuner_g_tuner,
+ .s_tuner = tuner_s_tuner,
+ .s_frequency = tuner_s_frequency,
+ .g_frequency = tuner_g_frequency,
+ .s_type_addr = tuner_s_type_addr,
+ .s_config = tuner_s_config,
};
-static int __init tuner_init_module(void)
+static const struct v4l2_subdev_ops tuner_ops = {
+ .core = &tuner_core_ops,
+ .tuner = &tuner_tuner_ops,
+};
+
+/* ---------------------------------------------------------------------- */
+
+static LIST_HEAD(tuner_list);
+
+/* Search for existing radio and/or TV tuners on the given I2C adapter.
+ Note that when this function is called from tuner_probe you can be
+ certain no other devices will be added/deleted at the same time, I2C
+ core protects against that. */
+static void tuner_lookup(struct i2c_adapter *adap,
+ struct tuner **radio, struct tuner **tv)
{
- return i2c_add_driver(&driver);
+ struct tuner *pos;
+
+ *radio = NULL;
+ *tv = NULL;
+
+ list_for_each_entry(pos, &tuner_list, list) {
+ int mode_mask;
+
+ if (pos->i2c->adapter != adap ||
+ pos->i2c->driver->id != I2C_DRIVERID_TUNER)
+ continue;
+
+ mode_mask = pos->mode_mask & ~T_STANDBY;
+ if (*radio == NULL && mode_mask == T_RADIO)
+ *radio = pos;
+ /* Note: currently TDA9887 is the only demod-only
+ device. If other devices appear then we need to
+ make this test more general. */
+ else if (*tv == NULL && pos->type != TUNER_TDA9887 &&
+ (pos->mode_mask & (T_ANALOG_TV | T_DIGITAL_TV)))
+ *tv = pos;
+ }
}
-static void __exit tuner_cleanup_module(void)
+/* During client attach, set_type is called by adapter's attach_inform callback.
+ set_type must then be completed by tuner_probe.
+ */
+static int tuner_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- i2c_del_driver(&driver);
+ struct tuner *t;
+ struct tuner *radio;
+ struct tuner *tv;
+
+ t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
+ if (NULL == t)
+ return -ENOMEM;
+ v4l2_i2c_subdev_init(&t->sd, client, &tuner_ops);
+ t->i2c = client;
+ t->name = "(tuner unset)";
+ t->type = UNSET;
+ t->audmode = V4L2_TUNER_MODE_STEREO;
+ t->mode_mask = T_UNINITIALIZED;
+
+ if (show_i2c) {
+ unsigned char buffer[16];
+ int i, rc;
+
+ memset(buffer, 0, sizeof(buffer));
+ rc = i2c_master_recv(client, buffer, sizeof(buffer));
+ tuner_info("I2C RECV = ");
+ for (i = 0; i < rc; i++)
+ printk(KERN_CONT "%02x ", buffer[i]);
+ printk("\n");
+ }
+ /* HACK: This test was added to avoid tuner to probe tda9840 and
+ tea6415c on the MXB card */
+ if (client->adapter->id == I2C_HW_SAA7146 && client->addr < 0x4a) {
+ kfree(t);
+ return -ENODEV;
+ }
+
+ /* autodetection code based on the i2c addr */
+ if (!no_autodetect) {
+ switch (client->addr) {
+ case 0x10:
+ if (tuner_symbol_probe(tea5761_autodetection,
+ t->i2c->adapter,
+ t->i2c->addr) >= 0) {
+ t->type = TUNER_TEA5761;
+ t->mode_mask = T_RADIO;
+ t->mode = T_STANDBY;
+ /* Sets freq to FM range */
+ t->radio_freq = 87.5 * 16000;
+ tuner_lookup(t->i2c->adapter, &radio, &tv);
+ if (tv)
+ tv->mode_mask &= ~T_RADIO;
+
+ goto register_client;
+ }
+ return -ENODEV;
+ case 0x42:
+ case 0x43:
+ case 0x4a:
+ case 0x4b:
+ /* If chip is not tda8290, don't register.
+ since it can be tda9887*/
+ if (tuner_symbol_probe(tda829x_probe, t->i2c->adapter,
+ t->i2c->addr) >= 0) {
+ tuner_dbg("tda829x detected\n");
+ } else {
+ /* Default is being tda9887 */
+ t->type = TUNER_TDA9887;
+ t->mode_mask = T_RADIO | T_ANALOG_TV |
+ T_DIGITAL_TV;
+ t->mode = T_STANDBY;
+ goto register_client;
+ }
+ break;
+ case 0x60:
+ if (tuner_symbol_probe(tea5767_autodetection,
+ t->i2c->adapter, t->i2c->addr)
+ >= 0) {
+ t->type = TUNER_TEA5767;
+ t->mode_mask = T_RADIO;
+ t->mode = T_STANDBY;
+ /* Sets freq to FM range */
+ t->radio_freq = 87.5 * 16000;
+ tuner_lookup(t->i2c->adapter, &radio, &tv);
+ if (tv)
+ tv->mode_mask &= ~T_RADIO;
+
+ goto register_client;
+ }
+ break;
+ }
+ }
+
+ /* Initializes only the first TV tuner on this adapter. Why only the
+ first? Because there are some devices (notably the ones with TI
+ tuners) that have more than one i2c address for the *same* device.
+ Experience shows that, except for just one case, the first
+ address is the right one. The exception is a Russian tuner
+ (ACORP_Y878F). So, the desired behavior is just to enable the
+ first found TV tuner. */
+ tuner_lookup(t->i2c->adapter, &radio, &tv);
+ if (tv == NULL) {
+ t->mode_mask = T_ANALOG_TV | T_DIGITAL_TV;
+ if (radio == NULL)
+ t->mode_mask |= T_RADIO;
+ tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask);
+ t->tv_freq = 400 * 16; /* Sets freq to VHF High */
+ t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
+ }
+
+ /* Should be just before return */
+register_client:
+ tuner_info("chip found @ 0x%x (%s)\n", client->addr << 1,
+ client->adapter->name);
+
+ /* Sets a default mode */
+ if (t->mode_mask & T_ANALOG_TV) {
+ t->mode = V4L2_TUNER_ANALOG_TV;
+ } else if (t->mode_mask & T_RADIO) {
+ t->mode = V4L2_TUNER_RADIO;
+ } else {
+ t->mode = V4L2_TUNER_DIGITAL_TV;
+ }
+ set_type(client, t->type, t->mode_mask, t->config, t->fe.callback);
+ list_add_tail(&t->list, &tuner_list);
+ return 0;
}
-module_init(tuner_init_module);
-module_exit(tuner_cleanup_module);
+static int tuner_legacy_probe(struct i2c_adapter *adap)
+{
+ if (0 != addr) {
+ normal_i2c[0] = addr;
+ normal_i2c[1] = I2C_CLIENT_END;
+ }
+
+ if ((adap->class & I2C_CLASS_TV_ANALOG) == 0)
+ return 0;
+
+ /* HACK: Ignore 0x6b and 0x6f on cx88 boards.
+ * FusionHDTV5 RT Gold has an ir receiver at 0x6b
+ * and an RTC at 0x6f which can get corrupted if probed.
+ */
+ if ((adap->id == I2C_HW_B_CX2388x) ||
+ (adap->id == I2C_HW_B_CX23885)) {
+ unsigned int i = 0;
+
+ while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END)
+ i += 2;
+ if (i + 4 < I2C_CLIENT_MAX_OPTS) {
+ ignore[i+0] = adap->nr;
+ ignore[i+1] = 0x6b;
+ ignore[i+2] = adap->nr;
+ ignore[i+3] = 0x6f;
+ ignore[i+4] = I2C_CLIENT_END;
+ } else
+ printk(KERN_WARNING "tuner: "
+ "too many options specified "
+ "in i2c probe ignore list!\n");
+ }
+ return 1;
+}
+
+static int tuner_remove(struct i2c_client *client)
+{
+ struct tuner *t = to_tuner(i2c_get_clientdata(client));
+
+ v4l2_device_unregister_subdev(&t->sd);
+ tuner_detach(&t->fe);
+ t->fe.analog_demod_priv = NULL;
+
+ list_del(&t->list);
+ kfree(t);
+ return 0;
+}
+
+/* ----------------------------------------------------------------------- */
+
+/* This driver supports many devices and the idea is to let the driver
+ detect which device is present. So rather than listing all supported
+ devices here, we pretend to support a single, fake device type. */
+static const struct i2c_device_id tuner_id[] = {
+ { "tuner", }, /* autodetect */
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, tuner_id);
+
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
+ .name = "tuner",
+ .driverid = I2C_DRIVERID_TUNER,
+ .command = tuner_command,
+ .probe = tuner_probe,
+ .remove = tuner_remove,
+ .suspend = tuner_suspend,
+ .resume = tuner_resume,
+ .legacy_probe = tuner_legacy_probe,
+ .id_table = tuner_id,
+};
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff