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c52c4d063e
tuner_list can become static - and it's anyway a way too generic name
for a global variable - see commit b00ef4b8d8
for a completely different global variable of the same name I just made
static...
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
1268 lines
32 KiB
C
1268 lines
32 KiB
C
/*
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*
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* i2c tv tuner chip device driver
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* core core, i.e. kernel interfaces, registering and so on
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/timer.h>
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/slab.h>
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#include <linux/poll.h>
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#include <linux/i2c.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/videodev.h>
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#include <media/tuner.h>
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#include <media/tuner-types.h>
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#include <media/v4l2-common.h>
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#include <media/v4l2-i2c-drv-legacy.h>
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#include "mt20xx.h"
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#include "tda8290.h"
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#include "tea5761.h"
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#include "tea5767.h"
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#include "tuner-xc2028.h"
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#include "tuner-simple.h"
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#include "tda9887.h"
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#include "xc5000.h"
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#define UNSET (-1U)
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#define PREFIX t->i2c->driver->driver.name
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struct tuner {
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/* device */
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struct dvb_frontend fe;
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struct i2c_client *i2c;
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struct list_head list;
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unsigned int using_v4l2:1;
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/* keep track of the current settings */
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v4l2_std_id std;
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unsigned int tv_freq;
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unsigned int radio_freq;
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unsigned int audmode;
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unsigned int mode;
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unsigned int mode_mask; /* Combination of allowable modes */
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unsigned int type; /* chip type id */
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unsigned int config;
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int (*tuner_callback) (void *dev, int command, int arg);
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};
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/* standard i2c insmod options */
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static unsigned short normal_i2c[] = {
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#if defined(CONFIG_TUNER_TEA5761) || (defined(CONFIG_TUNER_TEA5761_MODULE) && defined(MODULE))
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0x10,
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#endif
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0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
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0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
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0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
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I2C_CLIENT_END
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};
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I2C_CLIENT_INSMOD;
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/* insmod options used at init time => read/only */
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static unsigned int addr = 0;
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static unsigned int no_autodetect = 0;
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static unsigned int show_i2c = 0;
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/* insmod options used at runtime => read/write */
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static int tuner_debug;
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#define tuner_warn(fmt, arg...) do { \
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printk(KERN_WARNING "%s %d-%04x: " fmt, PREFIX, \
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i2c_adapter_id(t->i2c->adapter), \
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t->i2c->addr, ##arg); \
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} while (0)
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#define tuner_info(fmt, arg...) do { \
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printk(KERN_INFO "%s %d-%04x: " fmt, PREFIX, \
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i2c_adapter_id(t->i2c->adapter), \
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t->i2c->addr, ##arg); \
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} while (0)
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#define tuner_err(fmt, arg...) do { \
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printk(KERN_ERR "%s %d-%04x: " fmt, PREFIX, \
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i2c_adapter_id(t->i2c->adapter), \
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t->i2c->addr, ##arg); \
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} while (0)
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#define tuner_dbg(fmt, arg...) do { \
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if (tuner_debug) \
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printk(KERN_DEBUG "%s %d-%04x: " fmt, PREFIX, \
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i2c_adapter_id(t->i2c->adapter), \
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t->i2c->addr, ##arg); \
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} while (0)
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/* ------------------------------------------------------------------------ */
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static unsigned int tv_range[2] = { 44, 958 };
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static unsigned int radio_range[2] = { 65, 108 };
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static char pal[] = "--";
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static char secam[] = "--";
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static char ntsc[] = "-";
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module_param(addr, int, 0444);
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module_param(no_autodetect, int, 0444);
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module_param(show_i2c, int, 0444);
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module_param_named(debug,tuner_debug, int, 0644);
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module_param_string(pal, pal, sizeof(pal), 0644);
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module_param_string(secam, secam, sizeof(secam), 0644);
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module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
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module_param_array(tv_range, int, NULL, 0644);
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module_param_array(radio_range, int, NULL, 0644);
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MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
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MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
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MODULE_LICENSE("GPL");
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/* ---------------------------------------------------------------------- */
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static void fe_set_params(struct dvb_frontend *fe,
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struct analog_parameters *params)
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{
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struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
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struct tuner *t = fe->analog_demod_priv;
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if (NULL == fe_tuner_ops->set_analog_params) {
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tuner_warn("Tuner frontend module has no way to set freq\n");
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return;
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}
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fe_tuner_ops->set_analog_params(fe, params);
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}
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static void fe_release(struct dvb_frontend *fe)
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{
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if (fe->ops.tuner_ops.release)
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fe->ops.tuner_ops.release(fe);
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/* DO NOT kfree(fe->analog_demod_priv)
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*
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* If we are in this function, analog_demod_priv contains a pointer
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* to struct tuner *t. This will be kfree'd in tuner_detach().
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*
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* Otherwise, fe->ops.analog_demod_ops->release will
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* handle the cleanup for analog demodulator modules.
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*/
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fe->analog_demod_priv = NULL;
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}
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static void fe_standby(struct dvb_frontend *fe)
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{
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struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
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if (fe_tuner_ops->sleep)
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fe_tuner_ops->sleep(fe);
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}
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static int fe_has_signal(struct dvb_frontend *fe)
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{
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u16 strength = 0;
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if (fe->ops.tuner_ops.get_rf_strength)
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fe->ops.tuner_ops.get_rf_strength(fe, &strength);
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return strength;
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}
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static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg)
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{
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struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
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struct tuner *t = fe->analog_demod_priv;
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if (fe_tuner_ops->set_config)
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return fe_tuner_ops->set_config(fe, priv_cfg);
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tuner_warn("Tuner frontend module has no way to set config\n");
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return 0;
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}
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static void tuner_status(struct dvb_frontend *fe);
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static struct analog_demod_ops tuner_core_ops = {
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.set_params = fe_set_params,
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.standby = fe_standby,
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.release = fe_release,
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.has_signal = fe_has_signal,
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.set_config = fe_set_config,
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.tuner_status = tuner_status
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};
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/* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
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static void set_tv_freq(struct i2c_client *c, unsigned int freq)
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{
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struct tuner *t = i2c_get_clientdata(c);
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struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
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struct analog_parameters params = {
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.mode = t->mode,
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.audmode = t->audmode,
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.std = t->std
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};
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if (t->type == UNSET) {
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tuner_warn ("tuner type not set\n");
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return;
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}
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if (NULL == analog_ops->set_params) {
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tuner_warn ("Tuner has no way to set tv freq\n");
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return;
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}
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if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) {
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tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n",
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freq / 16, freq % 16 * 100 / 16, tv_range[0],
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tv_range[1]);
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/* V4L2 spec: if the freq is not possible then the closest
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possible value should be selected */
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if (freq < tv_range[0] * 16)
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freq = tv_range[0] * 16;
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else
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freq = tv_range[1] * 16;
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}
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params.frequency = freq;
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analog_ops->set_params(&t->fe, ¶ms);
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}
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static void set_radio_freq(struct i2c_client *c, unsigned int freq)
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{
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struct tuner *t = i2c_get_clientdata(c);
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struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
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struct analog_parameters params = {
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.mode = t->mode,
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.audmode = t->audmode,
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.std = t->std
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};
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if (t->type == UNSET) {
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tuner_warn ("tuner type not set\n");
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return;
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}
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if (NULL == analog_ops->set_params) {
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tuner_warn ("tuner has no way to set radio frequency\n");
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return;
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}
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if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) {
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tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n",
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freq / 16000, freq % 16000 * 100 / 16000,
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radio_range[0], radio_range[1]);
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/* V4L2 spec: if the freq is not possible then the closest
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possible value should be selected */
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if (freq < radio_range[0] * 16000)
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freq = radio_range[0] * 16000;
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else
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freq = radio_range[1] * 16000;
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}
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params.frequency = freq;
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analog_ops->set_params(&t->fe, ¶ms);
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}
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static void set_freq(struct i2c_client *c, unsigned long freq)
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{
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struct tuner *t = i2c_get_clientdata(c);
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switch (t->mode) {
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case V4L2_TUNER_RADIO:
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tuner_dbg("radio freq set to %lu.%02lu\n",
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freq / 16000, freq % 16000 * 100 / 16000);
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set_radio_freq(c, freq);
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t->radio_freq = freq;
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break;
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case V4L2_TUNER_ANALOG_TV:
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case V4L2_TUNER_DIGITAL_TV:
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tuner_dbg("tv freq set to %lu.%02lu\n",
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freq / 16, freq % 16 * 100 / 16);
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set_tv_freq(c, freq);
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t->tv_freq = freq;
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break;
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default:
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tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode);
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}
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}
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static void tuner_i2c_address_check(struct tuner *t)
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{
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if ((t->type == UNSET || t->type == TUNER_ABSENT) ||
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((t->i2c->addr < 0x64) || (t->i2c->addr > 0x6f)))
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return;
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/* We already know that the XC5000 can only be located at
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* i2c address 0x61, 0x62, 0x63 or 0x64 */
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if ((t->type == TUNER_XC5000) &&
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((t->i2c->addr <= 0x64)) && (t->i2c->addr >= 0x61))
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return;
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tuner_warn("====================== WARNING! ======================\n");
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tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n");
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tuner_warn("will soon be dropped. This message indicates that your\n");
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tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n",
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t->i2c->name, t->i2c->addr);
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tuner_warn("To ensure continued support for your device, please\n");
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tuner_warn("send a copy of this message, along with full dmesg\n");
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tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n");
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tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n");
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tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n",
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t->i2c->adapter->name, t->i2c->addr, t->type,
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tuners[t->type].name);
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tuner_warn("====================== WARNING! ======================\n");
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}
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static void attach_simple_tuner(struct tuner *t)
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{
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struct simple_tuner_config cfg = {
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.type = t->type,
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.tun = &tuners[t->type]
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};
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simple_tuner_attach(&t->fe, t->i2c->adapter, t->i2c->addr, &cfg);
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}
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static void attach_tda829x(struct tuner *t)
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{
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struct tda829x_config cfg = {
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.lna_cfg = &t->config,
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.tuner_callback = t->tuner_callback,
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};
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tda829x_attach(&t->fe, t->i2c->adapter, t->i2c->addr, &cfg);
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}
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static struct xc5000_config xc5000_cfg;
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static void set_type(struct i2c_client *c, unsigned int type,
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unsigned int new_mode_mask, unsigned int new_config,
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int (*tuner_callback) (void *dev, int command,int arg))
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{
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struct tuner *t = i2c_get_clientdata(c);
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struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
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struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
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unsigned char buffer[4];
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if (type == UNSET || type == TUNER_ABSENT) {
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tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr);
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return;
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}
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if (type >= tuner_count) {
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tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count);
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return;
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}
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t->type = type;
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t->config = new_config;
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if (tuner_callback != NULL) {
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tuner_dbg("defining GPIO callback\n");
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t->tuner_callback = tuner_callback;
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}
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if (t->mode == T_UNINITIALIZED) {
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tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr);
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return;
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}
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/* discard private data, in case set_type() was previously called */
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if (analog_ops->release)
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analog_ops->release(&t->fe);
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switch (t->type) {
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case TUNER_MT2032:
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microtune_attach(&t->fe, t->i2c->adapter, t->i2c->addr);
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break;
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case TUNER_PHILIPS_TDA8290:
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{
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attach_tda829x(t);
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break;
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}
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case TUNER_TEA5767:
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if (tea5767_attach(&t->fe, t->i2c->adapter, t->i2c->addr) == NULL) {
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t->type = TUNER_ABSENT;
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t->mode_mask = T_UNINITIALIZED;
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return;
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}
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t->mode_mask = T_RADIO;
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break;
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case TUNER_TEA5761:
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if (tea5761_attach(&t->fe, t->i2c->adapter, t->i2c->addr) == NULL) {
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t->type = TUNER_ABSENT;
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t->mode_mask = T_UNINITIALIZED;
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return;
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}
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t->mode_mask = T_RADIO;
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break;
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case TUNER_PHILIPS_FMD1216ME_MK3:
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buffer[0] = 0x0b;
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buffer[1] = 0xdc;
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buffer[2] = 0x9c;
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buffer[3] = 0x60;
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i2c_master_send(c, buffer, 4);
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mdelay(1);
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buffer[2] = 0x86;
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buffer[3] = 0x54;
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i2c_master_send(c, buffer, 4);
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attach_simple_tuner(t);
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break;
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case TUNER_PHILIPS_TD1316:
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buffer[0] = 0x0b;
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buffer[1] = 0xdc;
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buffer[2] = 0x86;
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buffer[3] = 0xa4;
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i2c_master_send(c,buffer,4);
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attach_simple_tuner(t);
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break;
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case TUNER_XC2028:
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{
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struct xc2028_config cfg = {
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.i2c_adap = t->i2c->adapter,
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.i2c_addr = t->i2c->addr,
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.video_dev = c->adapter->algo_data,
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.callback = t->tuner_callback,
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};
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if (!xc2028_attach(&t->fe, &cfg)) {
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t->type = TUNER_ABSENT;
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t->mode_mask = T_UNINITIALIZED;
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return;
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}
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break;
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}
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case TUNER_TDA9887:
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tda9887_attach(&t->fe, t->i2c->adapter, t->i2c->addr);
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break;
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case TUNER_XC5000:
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xc5000_cfg.i2c_address = t->i2c->addr;
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xc5000_cfg.if_khz = 5380;
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xc5000_cfg.priv = c->adapter->algo_data;
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xc5000_cfg.tuner_callback = t->tuner_callback;
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if (!xc5000_attach(&t->fe, t->i2c->adapter, &xc5000_cfg)) {
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t->type = TUNER_ABSENT;
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t->mode_mask = T_UNINITIALIZED;
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return;
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}
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{
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struct dvb_tuner_ops *xc_tuner_ops;
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xc_tuner_ops = &t->fe.ops.tuner_ops;
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if(xc_tuner_ops->init != NULL)
|
|
xc_tuner_ops->init(&t->fe);
|
|
}
|
|
break;
|
|
default:
|
|
attach_simple_tuner(t);
|
|
break;
|
|
}
|
|
|
|
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.analog_demod_priv = t;
|
|
memcpy(analog_ops, &tuner_core_ops,
|
|
sizeof(struct analog_demod_ops));
|
|
} else {
|
|
strlcpy(t->i2c->name, analog_ops->info.name,
|
|
sizeof(t->i2c->name));
|
|
}
|
|
|
|
tuner_dbg("type set to %s\n", t->i2c->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);
|
|
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);
|
|
}
|
|
|
|
/*
|
|
* 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 = i2c_get_clientdata(c);
|
|
|
|
tuner_dbg("set addr for type %i\n", t->type);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
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) {
|
|
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");
|
|
t->std = V4L2_STD_PAL_BG;
|
|
break;
|
|
case 'i':
|
|
case 'I':
|
|
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");
|
|
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 = &t->fe.ops.tuner_ops;
|
|
struct analog_demod_ops *analog_ops = &t->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");
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
/*
|
|
* 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 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) {
|
|
t->mode = T_STANDBY;
|
|
if (analog_ops->standby)
|
|
analog_ops->standby(&t->fe);
|
|
return EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define switch_v4l2() if (!t->using_v4l2) \
|
|
tuner_dbg("switching to v4l2\n"); \
|
|
t->using_v4l2 = 1;
|
|
|
|
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_command(struct i2c_client *client, unsigned int cmd, void *arg)
|
|
{
|
|
struct tuner *t = i2c_get_clientdata(client);
|
|
struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
|
|
struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
|
|
|
|
if (tuner_debug>1)
|
|
v4l_i2c_print_ioctl(client,cmd);
|
|
|
|
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 (analog_ops->standby)
|
|
analog_ops->standby(&t->fe);
|
|
break;
|
|
#ifdef CONFIG_VIDEO_V4L1
|
|
case VIDIOCSAUDIO:
|
|
if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
|
|
return 0;
|
|
if (check_v4l2(t) == EINVAL)
|
|
return 0;
|
|
|
|
/* Should be implemented, since bttv calls it */
|
|
tuner_dbg("VIDIOCSAUDIO not implemented.\n");
|
|
break;
|
|
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_v4l2(t) == EINVAL)
|
|
return 0;
|
|
|
|
if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL)
|
|
return 0;
|
|
|
|
if (vc->norm < ARRAY_SIZE(map))
|
|
t->std = map[vc->norm];
|
|
tuner_fixup_std(t);
|
|
if (t->tv_freq)
|
|
set_tv_freq(client, t->tv_freq);
|
|
return 0;
|
|
}
|
|
case VIDIOCSFREQ:
|
|
{
|
|
unsigned long *v = arg;
|
|
|
|
if (check_mode(t, "VIDIOCSFREQ") == EINVAL)
|
|
return 0;
|
|
if (check_v4l2(t) == EINVAL)
|
|
return 0;
|
|
|
|
set_freq(client, *v);
|
|
return 0;
|
|
}
|
|
case VIDIOCGTUNER:
|
|
{
|
|
struct video_tuner *vt = arg;
|
|
|
|
if (check_mode(t, "VIDIOCGTUNER") == EINVAL)
|
|
return 0;
|
|
if (check_v4l2(t) == EINVAL)
|
|
return 0;
|
|
|
|
if (V4L2_TUNER_RADIO == t->mode) {
|
|
if (fe_tuner_ops->get_status) {
|
|
u32 tuner_status;
|
|
|
|
fe_tuner_ops->get_status(&t->fe, &tuner_status);
|
|
if (tuner_status & TUNER_STATUS_STEREO)
|
|
vt->flags |= VIDEO_TUNER_STEREO_ON;
|
|
else
|
|
vt->flags &= ~VIDEO_TUNER_STEREO_ON;
|
|
} else {
|
|
if (analog_ops->is_stereo) {
|
|
if (analog_ops->is_stereo(&t->fe))
|
|
vt->flags |=
|
|
VIDEO_TUNER_STEREO_ON;
|
|
else
|
|
vt->flags &=
|
|
~VIDEO_TUNER_STEREO_ON;
|
|
}
|
|
}
|
|
if (analog_ops->has_signal)
|
|
vt->signal =
|
|
analog_ops->has_signal(&t->fe);
|
|
|
|
vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */
|
|
|
|
vt->rangelow = radio_range[0] * 16000;
|
|
vt->rangehigh = radio_range[1] * 16000;
|
|
|
|
} else {
|
|
vt->rangelow = tv_range[0] * 16;
|
|
vt->rangehigh = tv_range[1] * 16;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
case VIDIOCGAUDIO:
|
|
{
|
|
struct video_audio *va = arg;
|
|
|
|
if (check_mode(t, "VIDIOCGAUDIO") == EINVAL)
|
|
return 0;
|
|
if (check_v4l2(t) == EINVAL)
|
|
return 0;
|
|
|
|
if (V4L2_TUNER_RADIO == t->mode) {
|
|
if (fe_tuner_ops->get_status) {
|
|
u32 tuner_status;
|
|
|
|
fe_tuner_ops->get_status(&t->fe, &tuner_status);
|
|
va->mode = (tuner_status & TUNER_STATUS_STEREO)
|
|
? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
|
|
} else if (analog_ops->is_stereo)
|
|
va->mode = analog_ops->is_stereo(&t->fe)
|
|
? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
case TUNER_SET_CONFIG:
|
|
{
|
|
struct v4l2_priv_tun_config *cfg = arg;
|
|
|
|
if (t->type != cfg->tuner)
|
|
break;
|
|
|
|
if (analog_ops->set_config) {
|
|
analog_ops->set_config(&t->fe, cfg->priv);
|
|
break;
|
|
}
|
|
|
|
tuner_dbg("Tuner frontend module has no way to set config\n");
|
|
break;
|
|
}
|
|
/* --- 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;
|
|
|
|
switch_v4l2();
|
|
|
|
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, f->type, "VIDIOC_S_FREQUENCY")
|
|
== EINVAL)
|
|
return 0;
|
|
switch_v4l2();
|
|
set_freq(client,f->frequency);
|
|
|
|
break;
|
|
}
|
|
case VIDIOC_G_FREQUENCY:
|
|
{
|
|
struct v4l2_frequency *f = arg;
|
|
|
|
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;
|
|
|
|
if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
|
|
return 0;
|
|
switch_v4l2();
|
|
|
|
tuner->type = t->mode;
|
|
if (analog_ops->get_afc)
|
|
tuner->afc = analog_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;
|
|
}
|
|
|
|
/* 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 (analog_ops->is_stereo) {
|
|
tuner->rxsubchans =
|
|
analog_ops->is_stereo(&t->fe) ?
|
|
V4L2_TUNER_SUB_STEREO :
|
|
V4L2_TUNER_SUB_MONO;
|
|
}
|
|
}
|
|
if (analog_ops->has_signal)
|
|
tuner->signal = analog_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;
|
|
|
|
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)
|
|
break;
|
|
t->audmode = tuner->audmode;
|
|
set_radio_freq(client, t->radio_freq);
|
|
break;
|
|
}
|
|
case VIDIOC_LOG_STATUS:
|
|
if (analog_ops->tuner_status)
|
|
analog_ops->tuner_status(&t->fe);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tuner_suspend(struct i2c_client *c, pm_message_t state)
|
|
{
|
|
struct tuner *t = i2c_get_clientdata(c);
|
|
|
|
tuner_dbg("suspend\n");
|
|
/* FIXME: power down ??? */
|
|
return 0;
|
|
}
|
|
|
|
static int tuner_resume(struct i2c_client *c)
|
|
{
|
|
struct tuner *t = i2c_get_clientdata(c);
|
|
|
|
tuner_dbg("resume\n");
|
|
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 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)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
struct tuner *t;
|
|
struct tuner *radio;
|
|
struct tuner *tv;
|
|
|
|
t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
|
|
if (NULL == t)
|
|
return -ENOMEM;
|
|
t->i2c = client;
|
|
strlcpy(client->name, "(tuner unset)", sizeof(client->name));
|
|
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(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 (tea5761_autodetection(t->i2c->adapter, t->i2c->addr)
|
|
!= EINVAL) {
|
|
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;
|
|
}
|
|
break;
|
|
case 0x42:
|
|
case 0x43:
|
|
case 0x4a:
|
|
case 0x4b:
|
|
/* If chip is not tda8290, don't register.
|
|
since it can be tda9887*/
|
|
if (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 (tea5767_autodetection(t->i2c->adapter, t->i2c->addr)
|
|
!= EINVAL) {
|
|
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->tuner_callback);
|
|
list_add_tail(&t->list, &tuner_list);
|
|
return 0;
|
|
}
|
|
|
|
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 = i2c_get_clientdata(client);
|
|
struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
|
|
|
|
if (analog_ops->release)
|
|
analog_ops->release(&t->fe);
|
|
|
|
list_del(&t->list);
|
|
kfree(t);
|
|
return 0;
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
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,
|
|
};
|
|
|
|
|
|
/*
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|