/*
- * $Id: tuner-core.c,v 1.15 2005/06/12 01:36:14 mchehab Exp $
*
* i2c tv tuner chip device driver
* core core, i.e. kernel interfaces, registering and so on
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/poll.h>
#include <linux/i2c.h>
#include <linux/types.h>
-#include <linux/videodev.h>
#include <linux/init.h>
-
+#include <linux/videodev2.h>
#include <media/tuner.h>
-#include <media/audiochip.h>
-
-/*
- * comment line bellow to return to old behavor, where only one I2C device is supported
- */
-#define CONFIG_TUNER_MULTI_I2C /**/
+#include <media/tuner-types.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-i2c-drv.h>
+#include "mt20xx.h"
+#include "tda8290.h"
+#include "tea5761.h"
+#include "tea5767.h"
+#include "tuner-xc2028.h"
+#include "tuner-simple.h"
+#include "tda9887.h"
+#include "xc5000.h"
+#include "tda18271.h"
#define UNSET (-1U)
-/* standard i2c insmod options */
-static unsigned short normal_i2c[] = {
- 0x4b, /* tda8290 */
- 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
- 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
- I2C_CLIENT_END
+#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;
};
-I2C_CLIENT_INSMOD;
+
+static inline struct tuner *to_tuner(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct tuner, sd);
+}
+
/* insmod options used at init time => read/only */
-static unsigned int addr = 0;
-module_param(addr, int, 0444);
+static unsigned int addr;
+static unsigned int no_autodetect;
+static unsigned int show_i2c;
/* insmod options used at runtime => read/write */
-unsigned int tuner_debug = 0;
-module_param(tuner_debug, int, 0644);
-
-static unsigned int tv_range[2] = { 44, 958 };
+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_param_array(tv_range, int, NULL, 0644);
+static char pal[] = "--";
+static char secam[] = "--";
+static char ntsc[] = "-";
+
+
+module_param(addr, int, 0444);
+module_param(no_autodetect, int, 0444);
+module_param(show_i2c, int, 0444);
+module_param_named(debug,tuner_debug, int, 0644);
+module_param_string(pal, pal, sizeof(pal), 0644);
+module_param_string(secam, secam, sizeof(secam), 0644);
+module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
+module_param_array(tv_range, int, NULL, 0644);
module_param_array(radio_range, int, NULL, 0644);
MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
MODULE_LICENSE("GPL");
-static int this_adap;
-#ifdef CONFIG_TUNER_MULTI_I2C
-static unsigned short first_tuner, tv_tuner, radio_tuner;
-#endif
-
-static struct i2c_driver driver;
-static struct i2c_client client_template;
-
/* ---------------------------------------------------------------------- */
-/* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
-static void set_tv_freq(struct i2c_client *c, unsigned int freq)
+static void fe_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
+ struct tuner *t = fe->analog_demod_priv;
- if (t->type == UNSET) {
- tuner_info("tuner type not set\n");
+ if (NULL == fe_tuner_ops->set_analog_params) {
+ tuner_warn("Tuner frontend module has no way to set freq\n");
return;
}
- if (NULL == t->tv_freq) {
- tuner_info("Huh? tv_set is NULL?\n");
- return;
- }
- if (freq < tv_range[0]*16 || freq > tv_range[1]*16) {
+ fe_tuner_ops->set_analog_params(fe, params);
+}
+
+static void fe_standby(struct dvb_frontend *fe)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
- if (freq >= tv_range[0]*16364 && freq <= tv_range[1]*16384) {
- /* V4L2_TUNER_CAP_LOW frequency */
+ if (fe_tuner_ops->sleep)
+ fe_tuner_ops->sleep(fe);
+}
- tuner_dbg("V4L2_TUNER_CAP_LOW freq selected for TV. Tuners yet doesn't support converting it to valid freq.\n");
+static int fe_has_signal(struct dvb_frontend *fe)
+{
+ u16 strength = 0;
- t->tv_freq(c,freq>>10);
+ if (fe->ops.tuner_ops.get_rf_strength)
+ fe->ops.tuner_ops.get_rf_strength(fe, &strength);
- return;
- } else {
- /* FIXME: better do that chip-specific, but
- right now we don't have that in the config
- struct and this way is still better than no
- check at all */
- tuner_info("TV freq (%d.%02d) out of range (%d-%d)\n",
- freq/16,freq%16*100/16,tv_range[0],tv_range[1]);
- return;
- }
- }
- tuner_dbg("62.5 Khz freq step selected for TV.\n");
- t->tv_freq(c,freq);
+ return strength;
}
-static void set_radio_freq(struct i2c_client *c, unsigned int freq)
+static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg)
{
- struct tuner *t = i2c_get_clientdata(c);
+ 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_demod_ops tuner_analog_ops = {
+ .set_params = fe_set_params,
+ .standby = fe_standby,
+ .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 = 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_info("tuner type not set\n");
+ tuner_warn ("tuner type not set\n");
return;
}
- if (NULL == t->radio_freq) {
- tuner_info("no radio tuning for this one, sorry.\n");
+ if (NULL == analog_ops->set_params) {
+ tuner_warn ("Tuner has no way to set tv freq\n");
return;
}
- if (freq < radio_range[0]*16 || freq > radio_range[1]*16) {
- if (freq >= tv_range[0]*16364 && freq <= tv_range[1]*16384) {
- /* V4L2_TUNER_CAP_LOW frequency */
- if (t->type == TUNER_TEA5767) {
- tuner_info("radio freq step 62.5Hz (%d.%06d)\n",(freq>>14),freq%(1<<14)*10000);
- t->radio_freq(c,freq>>10);
- return;
- }
+ if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) {
+ tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n",
+ freq / 16, freq % 16 * 100 / 16, tv_range[0],
+ tv_range[1]);
+ /* V4L2 spec: if the freq is not possible then the closest
+ possible value should be selected */
+ if (freq < tv_range[0] * 16)
+ freq = tv_range[0] * 16;
+ else
+ freq = tv_range[1] * 16;
+ }
+ params.frequency = freq;
- tuner_dbg("V4L2_TUNER_CAP_LOW freq selected for Radio. Tuners yet doesn't support converting it to valid freq.\n");
+ analog_ops->set_params(&t->fe, ¶ms);
+}
- tuner_info("radio freq (%d.%06d)\n",(freq>>14),freq%(1<<14)*10000);
+static void set_radio_freq(struct i2c_client *c, unsigned int freq)
+{
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
- t->radio_freq(c,freq>>10);
- return;
+ struct analog_parameters params = {
+ .mode = t->mode,
+ .audmode = t->audmode,
+ .std = t->std
+ };
- } else {
- tuner_info("radio freq (%d.%02d) out of range (%d-%d)\n",
- freq/16,freq%16*100/16,
- radio_range[0],radio_range[1]);
- return;
- }
+ if (t->type == UNSET) {
+ tuner_warn ("tuner type not set\n");
+ return;
+ }
+ if (NULL == analog_ops->set_params) {
+ tuner_warn ("tuner has no way to set radio frequency\n");
+ return;
}
- tuner_dbg("62.5 Khz freq step selected for Radio.\n");
- t->radio_freq(c,freq);
+ if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) {
+ tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n",
+ freq / 16000, freq % 16000 * 100 / 16000,
+ radio_range[0], radio_range[1]);
+ /* V4L2 spec: if the freq is not possible then the closest
+ possible value should be selected */
+ if (freq < radio_range[0] * 16000)
+ freq = radio_range[0] * 16000;
+ else
+ freq = radio_range[1] * 16000;
+ }
+ params.frequency = 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:
tuner_dbg("radio freq set to %lu.%02lu\n",
- freq/16,freq%16*100/16);
- set_radio_freq(c,freq);
+ freq / 16000, freq % 16000 * 100 / 16000);
+ set_radio_freq(c, freq);
+ t->radio_freq = freq;
break;
case V4L2_TUNER_ANALOG_TV:
case V4L2_TUNER_DIGITAL_TV:
tuner_dbg("tv freq set to %lu.%02lu\n",
- freq/16,freq%16*100/16);
+ freq / 16, freq % 16 * 100 / 16);
set_tv_freq(c, freq);
+ t->tv_freq = freq;
break;
+ default:
+ tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode);
}
- t->freq = freq;
}
-static void set_type(struct i2c_client *c, unsigned int type)
-{
- struct tuner *t = i2c_get_clientdata(c);
+static struct xc5000_config xc5000_cfg;
- tuner_dbg ("I2C addr 0x%02x with type %d\n",c->addr<<1,type);
- /* sanity check */
- if (type == UNSET || type == TUNER_ABSENT)
- return;
- if (type >= tuner_count)
+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 component, int cmd, int arg))
+{
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
+ unsigned char buffer[4];
+ int tune_now = 1;
+
+ if (type == UNSET || type == TUNER_ABSENT) {
+ tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr);
return;
+ }
- if (NULL == t->i2c.dev.driver) {
- /* not registered yet */
- t->type = type;
- return;
+ t->type = type;
+ /* prevent invalid config values */
+ t->config = new_config < 256 ? new_config : 0;
+ if (tuner_callback != NULL) {
+ tuner_dbg("defining GPIO callback\n");
+ t->fe.callback = tuner_callback;
}
- if (t->initialized)
- /* run only once */
+
+ if (t->mode == T_UNINITIALIZED) {
+ tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr);
+
return;
+ }
- t->initialized = 1;
+ /* discard private data, in case set_type() was previously called */
+ tuner_detach(&t->fe);
+ t->fe.analog_demod_priv = NULL;
- t->type = type;
switch (t->type) {
case TUNER_MT2032:
- microtune_init(c);
+ if (!dvb_attach(microtune_attach,
+ &t->fe, t->i2c->adapter, t->i2c->addr))
+ goto attach_failed;
break;
case TUNER_PHILIPS_TDA8290:
- tda8290_init(c);
+ {
+ 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 (!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 (!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[0] = 0x0b;
+ buffer[1] = 0xdc;
+ buffer[2] = 0x9c;
+ buffer[3] = 0x60;
+ i2c_master_send(c, buffer, 4);
+ mdelay(1);
+ buffer[2] = 0x86;
+ buffer[3] = 0x54;
+ 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_PHILIPS_TD1316:
+ buffer[0] = 0x0b;
+ buffer[1] = 0xdc;
+ buffer[2] = 0x86;
+ buffer[3] = 0xa4;
+ 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:
+ {
+ 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;
+ tune_now = 0;
+ break;
+ }
+ case TUNER_TDA9887:
+ if (!dvb_attach(tda9887_attach,
+ &t->fe, t->i2c->adapter, t->i2c->addr))
+ goto attach_failed;
+ break;
+ case TUNER_XC5000:
+ {
+ xc5000_cfg.i2c_address = t->i2c->addr;
+ /* if_khz will be set when the digital dvb_attach() occurs */
+ xc5000_cfg.if_khz = 0;
+ if (!dvb_attach(xc5000_attach,
+ &t->fe, t->i2c->adapter, &xc5000_cfg))
+ goto attach_failed;
+ tune_now = 0;
+ break;
+ }
+ case TUNER_NXP_TDA18271:
+ {
+ struct tda18271_config cfg = {
+ .config = t->config,
+ };
+
+ if (!dvb_attach(tda18271_attach, &t->fe, t->i2c->addr,
+ t->i2c->adapter, &cfg))
+ goto attach_failed;
+ tune_now = 0;
+ break;
+ }
default:
- default_tuner_init(c);
+ if (!dvb_attach(simple_tuner_attach, &t->fe,
+ t->i2c->adapter, t->i2c->addr, t->type))
+ goto attach_failed;
+
break;
}
-}
-#ifdef CONFIG_TUNER_MULTI_I2C
-#define CHECK_ADDR(tp,cmd,tun) if (client->addr!=tp) { \
- return 0; } else \
- tuner_info ("Cmd %s accepted to "tun"\n",cmd);
-#define CHECK_MODE(cmd) if (t->mode == V4L2_TUNER_RADIO) { \
- CHECK_ADDR(radio_tuner,cmd,"radio") } else \
- { CHECK_ADDR(tv_tuner,cmd,"TV"); }
-#else
-#define CHECK_ADDR(tp,cmd,tun) tuner_info ("Cmd %s accepted to "tun"\n",cmd);
-#define CHECK_MODE(cmd) tuner_info ("Cmd %s accepted\n",cmd);
-#endif
+ if ((NULL == analog_ops->set_params) &&
+ (fe_tuner_ops->set_analog_params)) {
-#ifdef CONFIG_TUNER_MULTI_I2C
+ t->name = fe_tuner_ops->info.name;
+
+ t->fe.analog_demod_priv = t;
+ memcpy(analog_ops, &tuner_analog_ops,
+ sizeof(struct analog_demod_ops));
-static void set_addr(struct i2c_client *c, struct tuner_addr *tun_addr)
-{
- /* ADDR_UNSET defaults to first available tuner */
- if ( tun_addr->addr == ADDR_UNSET ) {
- if (first_tuner != c->addr)
- return;
- switch (tun_addr->v4l2_tuner) {
- case V4L2_TUNER_RADIO:
- radio_tuner=c->addr;
- break;
- default:
- tv_tuner=c->addr;
- break;
- }
} else {
- /* Sets tuner to its configured value */
- switch (tun_addr->v4l2_tuner) {
- case V4L2_TUNER_RADIO:
- radio_tuner=tun_addr->addr;
- if ( tun_addr->addr == c->addr ) set_type(c,tun_addr->type);
- return;
- default:
- tv_tuner=tun_addr->addr;
- if ( tun_addr->addr == c->addr ) set_type(c,tun_addr->type);
- return;
- }
+ t->name = analog_ops->info.name;
}
- set_type(c,tun_addr->type);
+
+ tuner_dbg("type set to %s\n", t->name);
+
+ if (t->mode_mask == T_UNINITIALIZED)
+ t->mode_mask = new_mode_mask;
+
+ /* Some tuners require more initialization setup before use,
+ such as firmware download or device calibration.
+ 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 (tune_now)
+ 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);
+ return;
+
+attach_failed:
+ tuner_dbg("Tuner attach for type = %d failed.\n", t->type);
+ t->type = TUNER_ABSENT;
+ t->mode_mask = T_UNINITIALIZED;
+
+ return;
}
-#else
-#define set_addr(c,tun_addr) set_type(c,(tun_addr)->type)
-#endif
-static char pal[] = "-";
-module_param_string(pal, pal, sizeof(pal), 0644);
+/*
+ * This function apply tuner config to tuner specified
+ * by tun_setup structure. I addr is unset, then admin status
+ * and tun addr status is more precise then current status,
+ * it's applied. Otherwise status and type are applied only to
+ * tuner with exactly the same addr.
+*/
+
+static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup)
+{
+ 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;
+ }
+
+ switch (t->mode) {
+ case V4L2_TUNER_RADIO:
+ tuner_dbg("Cmd %s accepted for radio\n", cmd);
+ break;
+ case V4L2_TUNER_ANALOG_TV:
+ tuner_dbg("Cmd %s accepted for analog TV\n", cmd);
+ break;
+ case V4L2_TUNER_DIGITAL_TV:
+ tuner_dbg("Cmd %s accepted for digital TV\n", cmd);
+ break;
+ }
+ return 0;
+}
+
+/* get more precise norm info from insmod option */
static int tuner_fixup_std(struct tuner *t)
{
if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
- /* get more precise norm info from insmod option */
switch (pal[0]) {
+ case '6':
+ tuner_dbg ("insmod fixup: PAL => PAL-60\n");
+ t->std = V4L2_STD_PAL_60;
+ break;
case 'b':
case 'B':
case 'g':
case 'G':
- tuner_dbg("insmod fixup: PAL => PAL-BG\n");
+ tuner_dbg ("insmod fixup: PAL => PAL-BG\n");
t->std = V4L2_STD_PAL_BG;
break;
case 'i':
case 'I':
- tuner_dbg("insmod fixup: PAL => PAL-I\n");
+ tuner_dbg ("insmod fixup: PAL => PAL-I\n");
t->std = V4L2_STD_PAL_I;
break;
case 'd':
case 'D':
case 'k':
case 'K':
- tuner_dbg("insmod fixup: PAL => PAL-DK\n");
+ tuner_dbg ("insmod fixup: PAL => PAL-DK\n");
t->std = V4L2_STD_PAL_DK;
break;
+ case 'M':
+ case 'm':
+ tuner_dbg ("insmod fixup: PAL => PAL-M\n");
+ t->std = V4L2_STD_PAL_M;
+ break;
+ case 'N':
+ case 'n':
+ if (pal[1] == 'c' || pal[1] == 'C') {
+ tuner_dbg("insmod fixup: PAL => PAL-Nc\n");
+ t->std = V4L2_STD_PAL_Nc;
+ } else {
+ tuner_dbg ("insmod fixup: PAL => PAL-N\n");
+ t->std = V4L2_STD_PAL_N;
+ }
+ break;
+ case '-':
+ /* default parameter, do nothing */
+ break;
+ default:
+ tuner_warn ("pal= argument not recognised\n");
+ break;
+ }
+ }
+ if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
+ switch (secam[0]) {
+ case 'b':
+ case 'B':
+ case 'g':
+ case 'G':
+ case 'h':
+ case 'H':
+ tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n");
+ t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
+ break;
+ case 'd':
+ case 'D':
+ case 'k':
+ case 'K':
+ tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n");
+ t->std = V4L2_STD_SECAM_DK;
+ break;
+ case 'l':
+ case 'L':
+ if ((secam[1]=='C')||(secam[1]=='c')) {
+ tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n");
+ t->std = V4L2_STD_SECAM_LC;
+ } else {
+ tuner_dbg ("insmod fixup: SECAM => SECAM-L\n");
+ t->std = V4L2_STD_SECAM_L;
+ }
+ break;
+ case '-':
+ /* default parameter, do nothing */
+ break;
+ default:
+ tuner_warn ("secam= argument not recognised\n");
+ break;
+ }
+ }
+
+ if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) {
+ switch (ntsc[0]) {
+ case 'm':
+ case 'M':
+ tuner_dbg("insmod fixup: NTSC => NTSC-M\n");
+ t->std = V4L2_STD_NTSC_M;
+ break;
+ case 'j':
+ case 'J':
+ tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n");
+ t->std = V4L2_STD_NTSC_M_JP;
+ break;
+ case 'k':
+ case 'K':
+ tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n");
+ t->std = V4L2_STD_NTSC_M_KR;
+ break;
+ case '-':
+ /* default parameter, do nothing */
+ break;
+ default:
+ tuner_info("ntsc= argument not recognised\n");
+ break;
}
}
return 0;
}
+static void tuner_status(struct dvb_frontend *fe)
+{
+ struct tuner *t = fe->analog_demod_priv;
+ unsigned long freq, freq_fraction;
+ 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) {
+ case V4L2_TUNER_RADIO: p = "radio"; break;
+ case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break;
+ case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break;
+ default: p = "undefined"; break;
+ }
+ if (t->mode == V4L2_TUNER_RADIO) {
+ freq = t->radio_freq / 16000;
+ freq_fraction = (t->radio_freq % 16000) * 100 / 16000;
+ } else {
+ freq = t->tv_freq / 16;
+ freq_fraction = (t->tv_freq % 16) * 100 / 16;
+ }
+ tuner_info("Tuner mode: %s\n", p);
+ tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction);
+ tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std);
+ if (t->mode != V4L2_TUNER_RADIO)
+ return;
+ if (fe_tuner_ops->get_status) {
+ u32 tuner_status;
+
+ fe_tuner_ops->get_status(&t->fe, &tuner_status);
+ if (tuner_status & TUNER_STATUS_LOCKED)
+ tuner_info("Tuner is locked.\n");
+ if (tuner_status & TUNER_STATUS_STEREO)
+ tuner_info("Stereo: yes\n");
+ }
+ 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 int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
+/*
+ * Switch tuner to other mode. If tuner support both tv and radio,
+ * set another frequency to some value (This is needed for some pal
+ * tuners to avoid locking). Otherwise, just put second tuner in
+ * standby mode.
+ */
+
+static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
{
- struct tuner *t;
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
-#ifndef CONFIG_TUNER_MULTI_I2C
- if (this_adap > 0)
- return -1;
-#else
- /* by default, first I2C card is both tv and radio tuner */
- if (this_adap == 0) {
- first_tuner = addr;
- tv_tuner = addr;
- radio_tuner = addr;
- }
-#endif
- this_adap++;
+ if (mode == t->mode)
+ return 0;
- client_template.adapter = adap;
- client_template.addr = addr;
+ t->mode = mode;
- t = kmalloc(sizeof(struct tuner),GFP_KERNEL);
- if (NULL == t)
- return -ENOMEM;
- memset(t,0,sizeof(struct tuner));
- memcpy(&t->i2c,&client_template,sizeof(struct i2c_client));
- i2c_set_clientdata(&t->i2c, t);
- t->type = UNSET;
- t->radio_if2 = 10700*1000; /* 10.7MHz - FM radio */
+ if (check_mode(t, cmd) == -EINVAL) {
+ tuner_dbg("Tuner doesn't support this mode. "
+ "Putting tuner to sleep\n");
+ t->mode = T_STANDBY;
+ if (analog_ops->standby)
+ analog_ops->standby(&t->fe);
+ return -EINVAL;
+ }
+ return 0;
+}
- i2c_attach_client(&t->i2c);
- tuner_info("chip found @ 0x%x (%s)\n",
- addr << 1, adap->name);
+#define switch_v4l2() if (!t->using_v4l2) \
+ tuner_dbg("switching to v4l2\n"); \
+ t->using_v4l2 = 1;
- set_type(&t->i2c, t->type);
+static inline int check_v4l2(struct tuner *t)
+{
+ /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for
+ TV, v4l1 for radio), until that is fixed this code is disabled.
+ Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2)
+ first. */
return 0;
}
-static int tuner_probe(struct i2c_adapter *adap)
+static int tuner_s_type_addr(struct v4l2_subdev *sd, struct tuner_setup *type)
{
- if (0 != addr) {
- normal_i2c[0] = addr;
- normal_i2c[1] = I2C_CLIENT_END;
- }
- this_adap = 0;
+ struct tuner *t = to_tuner(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
-#ifdef CONFIG_TUNER_MULTI_I2C
- first_tuner = 0;
- tv_tuner = 0;
- radio_tuner = 0;
-#endif
+ 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);
- if (adap->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adap, &addr_data, tuner_attach);
+ set_addr(client, type);
return 0;
}
-static int tuner_detach(struct i2c_client *client)
+static int tuner_s_radio(struct v4l2_subdev *sd)
{
- struct tuner *t = i2c_get_clientdata(client);
- int err;
+ struct tuner *t = to_tuner(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- err=i2c_detach_client(&t->i2c);
- if (err) {
- tuner_warn ("Client deregistration failed, client not detached.\n");
- return err;
- }
-
- kfree(t);
+ if (set_mode(client, t, V4L2_TUNER_RADIO, "s_radio") == -EINVAL)
+ return 0;
+ if (t->radio_freq)
+ set_freq(client, t->radio_freq);
return 0;
}
-#define SWITCH_V4L2 if (!t->using_v4l2 && tuner_debug) \
- tuner_info("switching to v4l2\n"); \
- t->using_v4l2 = 1;
-#define CHECK_V4L2 if (t->using_v4l2) { if (tuner_debug) \
- tuner_info("ignore v4l1 call\n"); \
- return 0; }
-
-static int
-tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
+static int tuner_s_power(struct v4l2_subdev *sd, int on)
{
- struct tuner *t = i2c_get_clientdata(client);
- unsigned int *iarg = (int*)arg;
+ struct tuner *t = to_tuner(sd);
+ struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
- switch (cmd) {
- /* --- configuration --- */
- case TUNER_SET_TYPE:
- set_type(client,*iarg);
- break;
- case TUNER_SET_TYPE_ADDR:
- set_addr(client,(struct tuner_addr *)arg);
- break;
- case AUDC_SET_RADIO:
- t->mode = V4L2_TUNER_RADIO;
- CHECK_ADDR(tv_tuner,"AUDC_SET_RADIO","TV");
+ if (on)
+ return 0;
- if (V4L2_TUNER_RADIO != t->mode) {
- set_tv_freq(client,400 * 16);
- }
- break;
- case AUDC_CONFIG_PINNACLE:
- CHECK_ADDR(tv_tuner,"AUDC_CONFIG_PINNACLE","TV");
- switch (*iarg) {
- case 2:
- tuner_dbg("pinnacle pal\n");
- t->radio_if2 = 33300 * 1000;
- break;
- case 3:
- tuner_dbg("pinnacle ntsc\n");
- t->radio_if2 = 41300 * 1000;
- break;
- }
- break;
+ tuner_dbg("Putting tuner to sleep\n");
- /* --- v4l ioctls --- */
- /* take care: bttv does userspace copying, we'll get a
- kernel pointer here... */
- case VIDIOCSCHAN:
- {
- static const v4l2_std_id map[] = {
- [ VIDEO_MODE_PAL ] = V4L2_STD_PAL,
- [ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M,
- [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
- [ 4 /* bttv */ ] = V4L2_STD_PAL_M,
- [ 5 /* bttv */ ] = V4L2_STD_PAL_N,
- [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
- };
- struct video_channel *vc = arg;
+ if (check_mode(t, "s_power") == -EINVAL)
+ return 0;
+ t->mode = T_STANDBY;
+ if (analog_ops->standby)
+ analog_ops->standby(&t->fe);
+ return 0;
+}
- CHECK_V4L2;
- t->mode = V4L2_TUNER_ANALOG_TV;
- CHECK_ADDR(tv_tuner,"VIDIOCSCHAN","TV");
+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 (vc->norm < ARRAY_SIZE(map))
- t->std = map[vc->norm];
- tuner_fixup_std(t);
- if (t->freq)
- set_tv_freq(client,t->freq);
+ if (t->type != cfg->tuner)
return 0;
- }
- case VIDIOCSFREQ:
- {
- unsigned long *v = arg;
- CHECK_MODE("VIDIOCSFREQ");
- CHECK_V4L2;
- set_freq(client,*v);
+ if (analog_ops->set_config) {
+ analog_ops->set_config(&t->fe, cfg->priv);
return 0;
}
- case VIDIOCGTUNER:
- {
- struct video_tuner *vt = arg;
-
- CHECK_ADDR(radio_tuner,"VIDIOCGTUNER","radio");
- CHECK_V4L2;
- if (V4L2_TUNER_RADIO == t->mode) {
- if (t->has_signal)
- vt->signal = t->has_signal(client);
- if (t->is_stereo) {
- if (t->is_stereo(client))
- vt-> flags |= VIDEO_TUNER_STEREO_ON;
- else
- vt-> flags &= 0xffff ^ VIDEO_TUNER_STEREO_ON;
- }
- vt->flags |= V4L2_TUNER_CAP_LOW; /* Allow freqs at 62.5 Hz */
- }
+ tuner_dbg("Tuner frontend module has no way to set config\n");
+ return 0;
+}
+
+/* --- 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);
+
+ if (set_mode(client, t, V4L2_TUNER_ANALOG_TV, "s_std") == -EINVAL)
return 0;
- }
- case VIDIOCGAUDIO:
- {
- struct video_audio *va = arg;
-
- CHECK_ADDR(radio_tuner,"VIDIOCGAUDIO","radio");
- CHECK_V4L2;
- if (V4L2_TUNER_RADIO == t->mode && t->is_stereo)
- va->mode = t->is_stereo(client)
- ? VIDEO_SOUND_STEREO
- : VIDEO_SOUND_MONO;
+
+ switch_v4l2();
+
+ t->std = std;
+ tuner_fixup_std(t);
+ if (t->tv_freq)
+ set_freq(client, t->tv_freq);
+ return 0;
+}
+
+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 (set_mode(client, t, f->type, "s_frequency") == -EINVAL)
return 0;
- }
+ switch_v4l2();
+ set_freq(client, f->frequency);
- case VIDIOC_S_STD:
- {
- v4l2_std_id *id = arg;
+ return 0;
+}
- SWITCH_V4L2;
- t->mode = V4L2_TUNER_ANALOG_TV;
- CHECK_ADDR(tv_tuner,"VIDIOC_S_STD","TV");
+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;
- t->std = *id;
- tuner_fixup_std(t);
- if (t->freq)
- set_freq(client,t->freq);
- break;
- }
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
-
- CHECK_MODE("VIDIOC_S_FREQUENCY");
- SWITCH_V4L2;
- if (V4L2_TUNER_RADIO == f->type &&
- V4L2_TUNER_RADIO != t->mode)
- set_tv_freq(client,400*16);
- t->mode = f->type;
- set_freq(client,f->frequency);
- break;
+ if (check_mode(t, "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) ?
+ DIV_ROUND_CLOSEST(abs_freq * 2, 125) :
+ DIV_ROUND_CLOSEST(abs_freq, 62500);
+ return 0;
}
- case VIDIOC_G_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
+ f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
+ t->radio_freq : t->tv_freq;
+ return 0;
+}
- CHECK_MODE("VIDIOC_G_FREQUENCY");
- SWITCH_V4L2;
- f->type = t->mode;
- f->frequency = t->freq;
- break;
+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;
+
+ if (check_mode(t, "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;
}
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *tuner = arg;
-
- CHECK_MODE("VIDIOC_G_TUNER");
- SWITCH_V4L2;
- if (V4L2_TUNER_RADIO == t->mode) {
- if (t->has_signal)
- tuner -> signal = t->has_signal(client);
- if (t->is_stereo) {
- if (t->is_stereo(client)) {
- tuner -> capability |= V4L2_TUNER_CAP_STEREO;
- tuner -> rxsubchans |= V4L2_TUNER_SUB_STEREO;
- } else {
- tuner -> rxsubchans &= 0xffff ^ V4L2_TUNER_SUB_STEREO;
- }
- }
+
+ /* 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;
}
- /* Wow to deal with V4L2_TUNER_CAP_LOW ? For now, it accepts from low at 62.5KHz step to high at 62.5 Hz */
- tuner->rangelow = tv_range[0] * 16;
-// tuner->rangehigh = tv_range[1] * 16;
-// tuner->rangelow = tv_range[0] * 16384;
- tuner->rangehigh = tv_range[1] * 16384;
- break;
- }
- default:
- tuner_dbg ("Unimplemented IOCTL 0x%08x called to tuner.\n", cmd);
- /* nothing */
- 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, "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_suspend(struct device * dev, u32 state, u32 level)
+static int tuner_suspend(struct i2c_client *c, pm_message_t state)
{
- struct i2c_client *c = container_of(dev, struct i2c_client, dev);
- struct tuner *t = i2c_get_clientdata(c);
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
tuner_dbg("suspend\n");
/* FIXME: power down ??? */
return 0;
}
-static int tuner_resume(struct device * dev, u32 level)
+static int tuner_resume(struct i2c_client *c)
{
- struct i2c_client *c = container_of(dev, struct i2c_client, dev);
- struct tuner *t = i2c_get_clientdata(c);
+ struct tuner *t = to_tuner(i2c_get_clientdata(c));
tuner_dbg("resume\n");
- if (t->freq)
- set_freq(c,t->freq);
+ if (V4L2_TUNER_RADIO == t->mode) {
+ if (t->radio_freq)
+ set_freq(c, t->radio_freq);
+ } else {
+ if (t->tv_freq)
+ set_freq(c, t->tv_freq);
+ }
return 0;
}
+static int tuner_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+ /* TUNER_SET_CONFIG is still called by tuner-simple.c, so we have
+ to handle it here.
+ There must be a better way of doing this... */
+ switch (cmd) {
+ case TUNER_SET_CONFIG:
+ return tuner_s_config(sd, arg);
+ }
+ return -ENOIOCTLCMD;
+}
+
/* ----------------------------------------------------------------------- */
-static struct i2c_driver driver = {
- .owner = THIS_MODULE,
- .name = "tuner",
- .id = I2C_DRIVERID_TUNER,
- .flags = I2C_DF_NOTIFY,
- .attach_adapter = tuner_probe,
- .detach_client = tuner_detach,
- .command = tuner_command,
- .driver = {
- .suspend = tuner_suspend,
- .resume = tuner_resume,
- },
+static const struct v4l2_subdev_core_ops tuner_core_ops = {
+ .log_status = tuner_log_status,
+ .s_std = tuner_s_std,
+ .s_power = tuner_s_power,
};
-static struct i2c_client client_template =
-{
- I2C_DEVNAME("(tuner unset)"),
- .flags = I2C_CLIENT_ALLOW_USE,
- .driver = &driver,
+
+static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = {
+ .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 const struct v4l2_subdev_ops tuner_ops = {
+ .core = &tuner_core_ops,
+ .tuner = &tuner_tuner_ops,
};
-static int __init tuner_init_module(void)
+/* ---------------------------------------------------------------------- */
+
+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 ||
+ strcmp(pos->i2c->driver->driver.name, "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;
+ }
+ kfree(t);
+ 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_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",
+ .probe = tuner_probe,
+ .remove = tuner_remove,
+ .command = tuner_command,
+ .suspend = tuner_suspend,
+ .resume = tuner_resume,
+ .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