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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.c307
1 files changed, 258 insertions, 49 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 505591a7abe9..94843086cda9 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -5,7 +5,6 @@
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/timer.h>
@@ -15,16 +14,25 @@
#include <linux/poll.h>
#include <linux/i2c.h>
#include <linux/types.h>
-#include <linux/videodev.h>
#include <linux/init.h>
-
+#include <linux/videodev.h>
#include <media/tuner.h>
+#include <media/tuner-types.h>
#include <media/v4l2-common.h>
+#include "tuner-driver.h"
+#include "mt20xx.h"
+#include "tda8290.h"
+#include "tea5761.h"
+#include "tea5767.h"
+#include "tuner-simple.h"
#define UNSET (-1U)
/* standard i2c insmod options */
static unsigned short normal_i2c[] = {
+#ifdef CONFIG_TUNER_TEA5761
+ 0x10,
+#endif
0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
@@ -68,6 +76,51 @@ static struct i2c_client client_template;
/* ---------------------------------------------------------------------- */
+static void fe_set_freq(struct tuner *t, unsigned int freq)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+
+ struct analog_parameters params = {
+ .frequency = freq,
+ .mode = t->mode,
+ .audmode = t->audmode,
+ .std = t->std
+ };
+
+ if (NULL == fe_tuner_ops->set_analog_params) {
+ tuner_warn("Tuner frontend module has no way to set freq\n");
+ return;
+ }
+ fe_tuner_ops->set_analog_params(&t->fe, &params);
+}
+
+static void fe_release(struct tuner *t)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+
+ if (fe_tuner_ops->release)
+ fe_tuner_ops->release(&t->fe);
+}
+
+static void fe_standby(struct tuner *t)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+
+ if (fe_tuner_ops->sleep)
+ fe_tuner_ops->sleep(&t->fe);
+}
+
+static int fe_has_signal(struct tuner *t)
+{
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
+ u16 strength;
+
+ if (fe_tuner_ops->get_rf_strength)
+ fe_tuner_ops->get_rf_strength(&t->fe, &strength);
+
+ return strength;
+}
+
/* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
static void set_tv_freq(struct i2c_client *c, unsigned int freq)
{
@@ -77,7 +130,7 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq)
tuner_warn ("tuner type not set\n");
return;
}
- if (NULL == t->set_tv_freq) {
+ if (NULL == t->ops.set_tv_freq) {
tuner_warn ("Tuner has no way to set tv freq\n");
return;
}
@@ -92,7 +145,7 @@ static void set_tv_freq(struct i2c_client *c, unsigned int freq)
else
freq = tv_range[1] * 16;
}
- t->set_tv_freq(c, freq);
+ t->ops.set_tv_freq(t, freq);
}
static void set_radio_freq(struct i2c_client *c, unsigned int freq)
@@ -103,7 +156,7 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
tuner_warn ("tuner type not set\n");
return;
}
- if (NULL == t->set_radio_freq) {
+ if (NULL == t->ops.set_radio_freq) {
tuner_warn ("tuner has no way to set radio frequency\n");
return;
}
@@ -119,7 +172,7 @@ static void set_radio_freq(struct i2c_client *c, unsigned int freq)
freq = radio_range[1] * 16000;
}
- t->set_radio_freq(c, freq);
+ t->ops.set_radio_freq(t, freq);
}
static void set_freq(struct i2c_client *c, unsigned long freq)
@@ -143,11 +196,51 @@ static void set_freq(struct i2c_client *c, unsigned long freq)
}
}
+static void tuner_i2c_address_check(struct tuner *t)
+{
+ if ((t->type == UNSET || t->type == TUNER_ABSENT) ||
+ ((t->i2c.addr < 0x64) || (t->i2c.addr > 0x6f)))
+ return;
+
+ tuner_warn("====================== WARNING! ======================\n");
+ tuner_warn("Support for tuners in i2c address range 0x64 thru 0x6f\n");
+ tuner_warn("will soon be dropped. This message indicates that your\n");
+ tuner_warn("hardware has a %s tuner at i2c address 0x%02x.\n",
+ t->i2c.name, t->i2c.addr);
+ tuner_warn("To ensure continued support for your device, please\n");
+ tuner_warn("send a copy of this message, along with full dmesg\n");
+ tuner_warn("output to v4l-dvb-maintainer@linuxtv.org\n");
+ tuner_warn("Please use subject line: \"obsolete tuner i2c address.\"\n");
+ tuner_warn("driver: %s, addr: 0x%02x, type: %d (%s)\n",
+ t->i2c.adapter->name, t->i2c.addr, t->type,
+ tuners[t->type].name);
+ tuner_warn("====================== WARNING! ======================\n");
+}
+
+static void attach_tda8290(struct tuner *t)
+{
+ struct tda8290_config cfg = {
+ .lna_cfg = &t->config,
+ .tuner_callback = t->tuner_callback
+ };
+ tda8290_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
+}
+
+static void attach_simple_tuner(struct tuner *t)
+{
+ struct simple_tuner_config cfg = {
+ .type = t->type,
+ .tun = &tuners[t->type]
+ };
+ simple_tuner_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
+}
+
static void set_type(struct i2c_client *c, unsigned int type,
unsigned int new_mode_mask, unsigned int new_config,
int (*tuner_callback) (void *dev, int command,int arg))
{
struct tuner *t = i2c_get_clientdata(c);
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
unsigned char buffer[4];
if (type == UNSET || type == TUNER_ABSENT) {
@@ -174,21 +267,41 @@ static void set_type(struct i2c_client *c, unsigned int type,
return;
}
+ /* discard private data, in case set_type() was previously called */
+ if (t->ops.release)
+ t->ops.release(t);
+ else {
+ kfree(t->priv);
+ t->priv = NULL;
+ }
+
switch (t->type) {
case TUNER_MT2032:
- microtune_init(c);
+ microtune_attach(&t->fe, t->i2c.adapter, t->i2c.addr);
break;
case TUNER_PHILIPS_TDA8290:
- tda8290_init(c);
+ {
+ attach_tda8290(t);
break;
+ }
case TUNER_TEA5767:
- if (tea5767_tuner_init(c) == EINVAL) {
+ if (tea5767_attach(&t->fe, t->i2c.adapter, t->i2c.addr) == NULL) {
t->type = TUNER_ABSENT;
t->mode_mask = T_UNINITIALIZED;
return;
}
t->mode_mask = T_RADIO;
break;
+#ifdef CONFIG_TUNER_TEA5761
+ case TUNER_TEA5761:
+ if (tea5761_attach(&t->fe, t->i2c.adapter, t->i2c.addr) == NULL) {
+ t->type = TUNER_ABSENT;
+ t->mode_mask = T_UNINITIALIZED;
+ return;
+ }
+ t->mode_mask = T_RADIO;
+ break;
+#endif
case TUNER_PHILIPS_FMD1216ME_MK3:
buffer[0] = 0x0b;
buffer[1] = 0xdc;
@@ -199,7 +312,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
buffer[2] = 0x86;
buffer[3] = 0x54;
i2c_master_send(c, buffer, 4);
- default_tuner_init(c);
+ attach_simple_tuner(t);
break;
case TUNER_PHILIPS_TD1316:
buffer[0] = 0x0b;
@@ -207,16 +320,28 @@ static void set_type(struct i2c_client *c, unsigned int type,
buffer[2] = 0x86;
buffer[3] = 0xa4;
i2c_master_send(c,buffer,4);
- default_tuner_init(c);
+ attach_simple_tuner(t);
break;
case TUNER_TDA9887:
- tda9887_tuner_init(c);
+ tda9887_tuner_init(t);
break;
default:
- default_tuner_init(c);
+ attach_simple_tuner(t);
break;
}
+ if (fe_tuner_ops->set_analog_params) {
+ strlcpy(t->i2c.name, fe_tuner_ops->info.name, sizeof(t->i2c.name));
+
+ t->ops.set_tv_freq = fe_set_freq;
+ t->ops.set_radio_freq = fe_set_freq;
+ t->ops.standby = fe_standby;
+ t->ops.release = fe_release;
+ t->ops.has_signal = fe_has_signal;
+ }
+
+ tuner_info("type set to %s\n", t->i2c.name);
+
if (t->mode_mask == T_UNINITIALIZED)
t->mode_mask = new_mode_mask;
@@ -224,6 +349,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
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);
}
/*
@@ -384,10 +510,10 @@ static int tuner_fixup_std(struct tuner *t)
return 0;
}
-static void tuner_status(struct i2c_client *client)
+static void tuner_status(struct tuner *t)
{
- struct tuner *t = i2c_get_clientdata(client);
unsigned long freq, freq_fraction;
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
const char *p;
switch (t->mode) {
@@ -408,11 +534,20 @@ static void tuner_status(struct i2c_client *client)
tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std);
if (t->mode != V4L2_TUNER_RADIO)
return;
- if (t->has_signal) {
- tuner_info("Signal strength: %d\n", t->has_signal(client));
+ 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 (t->ops.has_signal) {
+ tuner_info("Signal strength: %d\n", t->ops.has_signal(t));
}
- if (t->is_stereo) {
- tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no");
+ if (t->ops.is_stereo) {
+ tuner_info("Stereo: %s\n", t->ops.is_stereo(t) ? "yes" : "no");
}
}
@@ -437,10 +572,9 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
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;
- t->tuner_status = tuner_status;
+ t->ops.tuner_status = tuner_status;
if (show_i2c) {
unsigned char buffer[16];
@@ -460,13 +594,26 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
/* autodetection code based on the i2c addr */
if (!no_autodetect) {
switch (addr) {
+#ifdef CONFIG_TUNER_TEA5761
+ case 0x10:
+ if (tea5761_autodetection(t->i2c.adapter, t->i2c.addr) != EINVAL) {
+ t->type = TUNER_TEA5761;
+ t->mode_mask = T_RADIO;
+ t->mode = T_STANDBY;
+ t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
+ default_mode_mask &= ~T_RADIO;
+
+ goto register_client;
+ }
+ break;
+#endif
case 0x42:
case 0x43:
case 0x4a:
case 0x4b:
/* If chip is not tda8290, don't register.
since it can be tda9887*/
- if (tda8290_probe(&t->i2c) == 0) {
+ if (tda8290_probe(t->i2c.adapter, t->i2c.addr) == 0) {
tuner_dbg("chip at addr %x is a tda8290\n", addr);
} else {
/* Default is being tda9887 */
@@ -477,7 +624,7 @@ static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
}
break;
case 0x60:
- if (tea5767_autodetection(&t->i2c) != EINVAL) {
+ if (tea5767_autodetection(t->i2c.adapter, t->i2c.addr) != EINVAL) {
t->type = TUNER_TEA5767;
t->mode_mask = T_RADIO;
t->mode = T_STANDBY;
@@ -514,6 +661,28 @@ static int tuner_probe(struct i2c_adapter *adap)
normal_i2c[1] = I2C_CLIENT_END;
}
+ /* HACK: Ignore 0x6b and 0x6f on cx88 boards.
+ * FusionHDTV5 RT Gold has an ir receiver at 0x6b
+ * and an RTC at 0x6f which can get corrupted if probed.
+ */
+ if ((adap->id == I2C_HW_B_CX2388x) ||
+ (adap->id == I2C_HW_B_CX23885)) {
+ unsigned int i = 0;
+
+ while (i < I2C_CLIENT_MAX_OPTS && ignore[i] != I2C_CLIENT_END)
+ i += 2;
+ if (i + 4 < I2C_CLIENT_MAX_OPTS) {
+ ignore[i+0] = adap->nr;
+ ignore[i+1] = 0x6b;
+ ignore[i+2] = adap->nr;
+ ignore[i+3] = 0x6f;
+ ignore[i+4] = I2C_CLIENT_END;
+ } else
+ printk(KERN_WARNING "tuner: "
+ "too many options specified "
+ "in i2c probe ignore list!\n");
+ }
+
default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
if (adap->class & I2C_CLASS_TV_ANALOG)
@@ -533,6 +702,11 @@ static int tuner_detach(struct i2c_client *client)
return err;
}
+ if (t->ops.release)
+ t->ops.release(t);
+ else {
+ kfree(t->priv);
+ }
kfree(t);
return 0;
}
@@ -553,8 +727,8 @@ static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode,
if (check_mode(t, cmd) == EINVAL) {
t->mode = T_STANDBY;
- if (t->standby)
- t->standby (client);
+ if (t->ops.standby)
+ t->ops.standby(t);
return EINVAL;
}
return 0;
@@ -576,6 +750,7 @@ 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);
+ struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
if (tuner_debug>1)
v4l_i2c_print_ioctl(&(t->i2c),cmd);
@@ -602,8 +777,8 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
return 0;
t->mode = T_STANDBY;
- if (t->standby)
- t->standby (client);
+ if (t->ops.standby)
+ t->ops.standby(t);
break;
#ifdef CONFIG_VIDEO_V4L1
case VIDIOCSAUDIO:
@@ -662,16 +837,27 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
return 0;
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;
+ 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;
+ vt->flags &= ~VIDEO_TUNER_STEREO_ON;
+ } else {
+ if (t->ops.is_stereo) {
+ if (t->ops.is_stereo(t))
+ vt->flags |=
+ VIDEO_TUNER_STEREO_ON;
+ else
+ vt->flags &=
+ ~VIDEO_TUNER_STEREO_ON;
+ }
}
+ if (t->ops.has_signal)
+ vt->signal = t->ops.has_signal(t);
+
vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */
vt->rangelow = radio_range[0] * 16000;
@@ -693,9 +879,17 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
if (check_v4l2(t) == EINVAL)
return 0;
- if (V4L2_TUNER_RADIO == t->mode && t->is_stereo)
- va->mode = t->is_stereo(client)
- ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
+ 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 (t->ops.is_stereo)
+ va->mode = t->ops.is_stereo(t)
+ ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
+ }
return 0;
}
#endif
@@ -746,6 +940,15 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
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;
@@ -759,8 +962,8 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
switch_v4l2();
tuner->type = t->mode;
- if (t->get_afc)
- tuner->afc=t->get_afc(client);
+ if (t->ops.get_afc)
+ tuner->afc=t->ops.get_afc(t);
if (t->mode == V4L2_TUNER_ANALOG_TV)
tuner->capability |= V4L2_TUNER_CAP_NORM;
if (t->mode != V4L2_TUNER_RADIO) {
@@ -770,16 +973,22 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
}
/* radio mode */
- if (t->has_signal)
- tuner->signal = t->has_signal(client);
-
tuner->rxsubchans =
V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
- if (t->is_stereo) {
- tuner->rxsubchans = t->is_stereo(client) ?
+ 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 (t->ops.is_stereo) {
+ tuner->rxsubchans = t->ops.is_stereo(t) ?
+ V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO;
+ }
}
-
+ if (t->ops.has_signal)
+ tuner->signal = t->ops.has_signal(t);
tuner->capability |=
V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
tuner->audmode = t->audmode;
@@ -804,8 +1013,8 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
break;
}
case VIDIOC_LOG_STATUS:
- if (t->tuner_status)
- t->tuner_status(client);
+ if (t->ops.tuner_status)
+ t->ops.tuner_status(t);
break;
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-01 12:46:27 +0300