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path: root/drivers/media/video/tuner-core.c
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Diffstat (limited to 'drivers/media/video/tuner-core.c')
-rw-r--r--drivers/media/video/tuner-core.c216
1 files changed, 146 insertions, 70 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index c13c7b95ef3..2995b22acb4 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -20,10 +20,9 @@
#include <linux/init.h>
#include <media/tuner.h>
+#include <media/v4l2-common.h>
#include <media/audiochip.h>
-#include "msp3400.h"
-
#define UNSET (-1U)
/* standard i2c insmod options */
@@ -38,21 +37,30 @@ I2C_CLIENT_INSMOD;
/* insmod options used at init time => read/only */
static unsigned int addr = 0;
-module_param(addr, int, 0444);
-
static unsigned int no_autodetect = 0;
-module_param(no_autodetect, int, 0444);
-
static unsigned int show_i2c = 0;
-module_param(show_i2c, int, 0444);
/* insmod options used at runtime => read/write */
-unsigned int tuner_debug = 0;
-module_param(tuner_debug, int, 0644);
+static unsigned int tuner_debug_old = 0;
+int tuner_debug = 0;
static unsigned int tv_range[2] = { 44, 958 };
static unsigned int radio_range[2] = { 65, 108 };
+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);
+/* Note: tuner_debug is deprecated and will be removed in 2.6.17 */
+module_param_named(tuner_debug,tuner_debug_old, 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);
@@ -74,7 +82,7 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq)
tuner_warn ("tuner type not set\n");
return;
}
- if (NULL == t->tv_freq) {
+ if (NULL == t->set_tv_freq) {
tuner_warn ("Tuner has no way to set tv freq\n");
return;
}
@@ -82,8 +90,14 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq)
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;
}
- t->tv_freq(c, freq);
+ t->set_tv_freq(c, freq);
}
static void set_radio_freq(struct i2c_client *c, unsigned int freq)
@@ -94,18 +108,23 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
tuner_warn ("tuner type not set\n");
return;
}
- if (NULL == t->radio_freq) {
+ if (NULL == t->set_radio_freq) {
tuner_warn ("tuner has no way to set radio frequency\n");
return;
}
- if (freq <= radio_range[0] * 16000 || freq >= radio_range[1] * 16000) {
+ 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;
}
- t->radio_freq(c, freq);
- return;
+ t->set_radio_freq(c, freq);
}
static void set_freq(struct i2c_client *c, unsigned long freq)
@@ -117,15 +136,16 @@ static void set_freq(struct i2c_client *c, unsigned long freq)
tuner_dbg("radio freq set to %lu.%02lu\n",
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);
set_tv_freq(c, freq);
+ t->tv_freq = freq;
break;
}
- t->freq = freq;
}
static void set_type(struct i2c_client *c, unsigned int type,
@@ -204,7 +224,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
if (t->mode_mask == T_UNINITIALIZED)
t->mode_mask = new_mode_mask;
- set_freq(c, t->freq);
+ 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);
@@ -249,11 +269,6 @@ static inline int check_mode(struct tuner *t, char *cmd)
return 0;
}
-static char pal[] = "-";
-module_param_string(pal, pal, sizeof(pal), 0644);
-static char secam[] = "--";
-module_param_string(secam, secam, sizeof(secam), 0644);
-
/* get more precise norm info from insmod option */
static int tuner_fixup_std(struct tuner *t)
{
@@ -285,8 +300,13 @@ static int tuner_fixup_std(struct tuner *t)
break;
case 'N':
case 'n':
- tuner_dbg ("insmod fixup: PAL => PAL-N\n");
- t->std = V4L2_STD_PAL_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 */
@@ -298,6 +318,15 @@ static int tuner_fixup_std(struct tuner *t)
}
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':
@@ -324,9 +353,60 @@ static int tuner_fixup_std(struct tuner *t)
}
}
+ 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 '-':
+ /* default parameter, do nothing */
+ break;
+ default:
+ tuner_info("ntsc= argument not recognised\n");
+ break;
+ }
+ }
return 0;
}
+static void tuner_status(struct i2c_client *client)
+{
+ struct tuner *t = i2c_get_clientdata(client);
+ unsigned long freq, freq_fraction;
+ 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%08llx\n", t->std);
+ if (t->mode == V4L2_TUNER_RADIO) {
+ if (t->has_signal) {
+ tuner_info("Signal strength: %d\n", t->has_signal(client));
+ }
+ if (t->is_stereo) {
+ tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no");
+ }
+ }
+}
/* ---------------------------------------------------------------------- */
/* static var Used only in tuner_attach and tuner_probe */
@@ -342,16 +422,20 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
client_template.adapter = adap;
client_template.addr = addr;
- t = kmalloc(sizeof(struct tuner), GFP_KERNEL);
+ t = kzalloc(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 */
t->audmode = V4L2_TUNER_MODE_STEREO;
t->mode_mask = T_UNINITIALIZED;
+ if (tuner_debug_old) {
+ tuner_debug = tuner_debug_old;
+ printk(KERN_ERR "tuner: tuner_debug is deprecated and will be removed in 2.6.17.\n");
+ printk(KERN_ERR "tuner: use the debug option instead.\n");
+ }
if (show_i2c) {
unsigned char buffer[16];
@@ -384,7 +468,7 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
t->type = TUNER_TEA5767;
t->mode_mask = T_RADIO;
t->mode = T_STANDBY;
- t->freq = 87.5 * 16; /* Sets freq to FM range */
+ t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
default_mode_mask &= ~T_RADIO;
goto register_client;
@@ -397,7 +481,8 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
if (default_mode_mask != T_UNINITIALIZED) {
tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask);
t->mode_mask = default_mode_mask;
- t->freq = 400 * 16; /* Sets freq to VHF High */
+ t->tv_freq = 400 * 16; /* Sets freq to VHF High */
+ t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
default_mode_mask = T_UNINITIALIZED;
}
@@ -478,7 +563,9 @@ static inline int check_v4l2(struct tuner *t)
static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
{
struct tuner *t = i2c_get_clientdata(client);
- unsigned int *iarg = (int *)arg;
+
+ if (tuner_debug>1)
+ v4l_i2c_print_ioctl(&(t->i2c),cmd);
switch (cmd) {
/* --- configuration --- */
@@ -491,27 +578,17 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
set_addr(client, (struct tuner_setup *)arg);
break;
case AUDC_SET_RADIO:
- set_mode(client,t,V4L2_TUNER_RADIO, "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;
- if (t->standby)
- t->standby (client);
- break;
- }
- case AUDC_CONFIG_PINNACLE:
- 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;
- }
+ if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
+ return 0;
+ if (t->standby)
+ t->standby (client);
break;
case VIDIOCSAUDIO:
if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
@@ -521,10 +598,6 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
/* Should be implemented, since bttv calls it */
tuner_dbg("VIDIOCSAUDIO not implemented.\n");
-
- break;
- case MSP_SET_MATRIX:
- case TDA9887_SET_CONFIG:
break;
/* --- v4l ioctls --- */
/* take care: bttv does userspace copying, we'll get a
@@ -550,8 +623,8 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
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->tv_freq)
+ set_tv_freq(client, t->tv_freq);
return 0;
}
case VIDIOCSFREQ:
@@ -625,15 +698,14 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
t->std = *id;
tuner_fixup_std(t);
- if (t->freq)
- set_freq(client, t->freq);
+ if (t->tv_freq)
+ set_freq(client, t->tv_freq);
break;
}
case VIDIOC_S_FREQUENCY:
{
struct v4l2_frequency *f = arg;
- t->freq = f->frequency;
switch_v4l2();
if (V4L2_TUNER_RADIO == f->type &&
V4L2_TUNER_RADIO != t->mode) {
@@ -641,7 +713,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
== EINVAL)
return 0;
}
- set_freq(client,t->freq);
+ set_freq(client,f->frequency);
break;
}
@@ -653,7 +725,8 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
return 0;
switch_v4l2();
f->type = t->mode;
- f->frequency = t->freq;
+ f->frequency = (V4L2_TUNER_RADIO == t->mode) ?
+ t->radio_freq : t->tv_freq;
break;
}
case VIDIOC_G_TUNER:
@@ -704,14 +777,12 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
if (V4L2_TUNER_RADIO == t->mode) {
t->audmode = tuner->audmode;
- set_radio_freq(client, t->freq);
+ set_radio_freq(client, t->radio_freq);
}
break;
}
- default:
- tuner_dbg("Unimplemented IOCTL 0x%08x(dir=%d,tp='%c',nr=%d,sz=%d)\n",
- cmd, _IOC_DIR(cmd), _IOC_TYPE(cmd),
- _IOC_NR(cmd), _IOC_SIZE(cmd));
+ case VIDIOC_LOG_STATUS:
+ tuner_status(client);
break;
}
@@ -734,8 +805,13 @@ static int tuner_resume(struct device *dev)
struct tuner *t = 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;
}
@@ -747,10 +823,10 @@ static struct i2c_driver driver = {
.detach_client = tuner_detach,
.command = tuner_command,
.driver = {
- .name = "tuner",
- .suspend = tuner_suspend,
- .resume = tuner_resume,
- },
+ .name = "tuner",
+ .suspend = tuner_suspend,
+ .resume = tuner_resume,
+ },
};
static struct i2c_client client_template = {
.name = "(tuner unset)",
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-09 14:32:11 +0000