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-rw-r--r--drivers/media/video/msp3400.h8
-rw-r--r--drivers/media/video/mt20xx.c12
-rw-r--r--drivers/media/video/tda8290.c4
-rw-r--r--drivers/media/video/tea5767.c18
-rw-r--r--drivers/media/video/tuner-core.c85
-rw-r--r--drivers/media/video/tuner-simple.c44
-rw-r--r--drivers/media/video/tuner-types.c6
-rw-r--r--drivers/media/video/v4l2-common.c1
8 files changed, 99 insertions, 79 deletions
diff --git a/drivers/media/video/msp3400.h b/drivers/media/video/msp3400.h
index 70a5ef8ba01..a9ac57d0700 100644
--- a/drivers/media/video/msp3400.h
+++ b/drivers/media/video/msp3400.h
@@ -6,14 +6,6 @@
/* ---------------------------------------------------------------------- */
-struct msp_matrix {
- int input;
- int output;
-};
-
-/* ioctl for MSP_SET_MATRIX will have to be registered */
-#define MSP_SET_MATRIX _IOW('m',17,struct msp_matrix)
-
/* This macro is allowed for *constants* only, gcc must calculate it
at compile time. Remember -- no floats in kernel mode */
#define MSP_CARRIER(freq) ((int)((float)(freq / 18.432) * (1 << 24)))
diff --git a/drivers/media/video/mt20xx.c b/drivers/media/video/mt20xx.c
index 0bf1caac588..c7c9f3f8715 100644
--- a/drivers/media/video/mt20xx.c
+++ b/drivers/media/video/mt20xx.c
@@ -353,8 +353,8 @@ static int mt2032_init(struct i2c_client *c)
} while (xok != 1 );
t->xogc=xogc;
- t->tv_freq = mt2032_set_tv_freq;
- t->radio_freq = mt2032_set_radio_freq;
+ t->set_tv_freq = mt2032_set_tv_freq;
+ t->set_radio_freq = mt2032_set_radio_freq;
return(1);
}
@@ -481,8 +481,8 @@ static int mt2050_init(struct i2c_client *c)
i2c_master_recv(c,buf,1);
tuner_dbg("mt2050: sro is %x\n",buf[0]);
- t->tv_freq = mt2050_set_tv_freq;
- t->radio_freq = mt2050_set_radio_freq;
+ t->set_tv_freq = mt2050_set_tv_freq;
+ t->set_radio_freq = mt2050_set_radio_freq;
return 0;
}
@@ -494,8 +494,8 @@ int microtune_init(struct i2c_client *c)
int company_code;
memset(buf,0,sizeof(buf));
- t->tv_freq = NULL;
- t->radio_freq = NULL;
+ t->set_tv_freq = NULL;
+ t->set_radio_freq = NULL;
t->standby = NULL;
if (t->std & V4L2_STD_525_60) {
tuner_dbg("pinnacle ntsc\n");
diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c
index 2498b76df42..7b4fb282ac8 100644
--- a/drivers/media/video/tda8290.c
+++ b/drivers/media/video/tda8290.c
@@ -567,8 +567,8 @@ int tda8290_init(struct i2c_client *c)
}
tuner_info("tuner: type set to %s\n", c->name);
- t->tv_freq = set_tv_freq;
- t->radio_freq = set_radio_freq;
+ t->set_tv_freq = set_tv_freq;
+ t->set_radio_freq = set_radio_freq;
t->has_signal = has_signal;
t->standby = standby;
t->tda827x_lpsel = 0;
diff --git a/drivers/media/video/tea5767.c b/drivers/media/video/tea5767.c
index 921fe72f23d..c2b98f81c19 100644
--- a/drivers/media/video/tea5767.c
+++ b/drivers/media/video/tea5767.c
@@ -62,7 +62,7 @@ extern int tuner_debug;
#define TEA5767_PORT1_HIGH 0x01
-/* Forth register */
+/* Fourth register */
#define TEA5767_PORT2_HIGH 0x80
/* Chips stops working. Only I2C bus remains on */
#define TEA5767_STDBY 0x40
@@ -85,7 +85,7 @@ extern int tuner_debug;
/* If activate PORT 1 indicates SEARCH or else it is used as PORT1 */
#define TEA5767_SRCH_IND 0x01
-/* Fiveth register */
+/* Fifth register */
/* By activating, it will use Xtal at 13 MHz as reference for divider */
#define TEA5767_PLLREF_ENABLE 0x80
@@ -109,13 +109,13 @@ extern int tuner_debug;
#define TEA5767_STEREO_MASK 0x80
#define TEA5767_IF_CNTR_MASK 0x7f
-/* Four register */
+/* Fourth register */
#define TEA5767_ADC_LEVEL_MASK 0xf0
/* should be 0 */
#define TEA5767_CHIP_ID_MASK 0x0f
-/* Fiveth register */
+/* Fifth register */
/* Reserved for future extensions */
#define TEA5767_RESERVED_MASK 0xff
@@ -220,19 +220,19 @@ static void set_radio_freq(struct i2c_client *c, unsigned int frq)
tuner_dbg ("TEA5767 radio HIGH LO inject xtal @ 13 MHz\n");
buffer[2] |= TEA5767_HIGH_LO_INJECT;
buffer[4] |= TEA5767_PLLREF_ENABLE;
- div = (frq * 4000 / 16 + 700000 + 225000 + 25000) / 50000;
+ div = (frq * (4000 / 16) + 700000 + 225000 + 25000) / 50000;
break;
case TEA5767_LOW_LO_13MHz:
tuner_dbg ("TEA5767 radio LOW LO inject xtal @ 13 MHz\n");
buffer[4] |= TEA5767_PLLREF_ENABLE;
- div = (frq * 4000 / 16 - 700000 - 225000 + 25000) / 50000;
+ div = (frq * (4000 / 16) - 700000 - 225000 + 25000) / 50000;
break;
case TEA5767_LOW_LO_32768:
tuner_dbg ("TEA5767 radio LOW LO inject xtal @ 32,768 MHz\n");
buffer[3] |= TEA5767_XTAL_32768;
/* const 700=4000*175 Khz - to adjust freq to right value */
- div = ((frq * 4000 / 16 - 700000 - 225000) + 16384) >> 15;
+ div = ((frq * (4000 / 16) - 700000 - 225000) + 16384) >> 15;
break;
case TEA5767_HIGH_LO_32768:
default:
@@ -350,8 +350,8 @@ int tea5767_tuner_init(struct i2c_client *c)
tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5767HN FM Radio");
strlcpy(c->name, "tea5767", sizeof(c->name));
- t->tv_freq = set_tv_freq;
- t->radio_freq = set_radio_freq;
+ t->set_tv_freq = set_tv_freq;
+ t->set_radio_freq = set_radio_freq;
t->has_signal = tea5767_signal;
t->is_stereo = tea5767_stereo;
t->standby = tea5767_standby;
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index f30ef79d795..2995b22acb4 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -82,7 +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;
}
@@ -90,8 +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)
@@ -102,18 +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)
@@ -125,15 +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,
@@ -212,7 +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);
@@ -377,11 +389,11 @@ static void tuner_status(struct i2c_client *client)
default: p = "undefined"; break;
}
if (t->mode == V4L2_TUNER_RADIO) {
- freq = t->freq / 16000;
- freq_fraction = (t->freq % 16000) * 100 / 16000;
+ freq = t->radio_freq / 16000;
+ freq_fraction = (t->radio_freq % 16000) * 100 / 16000;
} else {
- freq = t->freq / 16;
- freq_fraction = (t->freq % 16) * 100 / 16;
+ 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);
@@ -456,7 +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;
@@ -469,7 +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;
}
@@ -565,16 +578,18 @@ 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;
- }
+ 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)
return 0;
@@ -583,7 +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;
/* --- v4l ioctls --- */
/* take care: bttv does userspace copying, we'll get a
@@ -609,8 +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:
@@ -684,15 +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) {
@@ -700,7 +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;
}
@@ -712,7 +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:
@@ -763,7 +777,7 @@ 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;
}
@@ -791,8 +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;
}
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
index 3879262cf4c..37977ff4978 100644
--- a/drivers/media/video/tuner-simple.c
+++ b/drivers/media/video/tuner-simple.c
@@ -136,7 +136,7 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
u8 config, tuneraddr;
u16 div;
struct tunertype *tun;
- unsigned char buffer[4];
+ u8 buffer[4];
int rc, IFPCoff, i, j;
tun = &tuners[t->type];
@@ -147,6 +147,11 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
continue;
break;
}
+ if (i == tun->params[j].count) {
+ tuner_dbg("TV frequency out of range (%d > %d)",
+ freq, tun->params[j].ranges[i - 1].limit);
+ freq = tun->params[j].ranges[--i].limit;
+ }
config = tun->params[j].ranges[i].cb;
/* i == 0 -> VHF_LO */
/* i == 1 -> VHF_HI */
@@ -239,20 +244,6 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
break;
}
- /*
- * Philips FI1216MK2 remark from specification :
- * for channel selection involving band switching, and to ensure
- * smooth tuning to the desired channel without causing
- * unnecessary charge pump action, it is recommended to consider
- * the difference between wanted channel frequency and the
- * current channel frequency. Unnecessary charge pump action
- * will result in very low tuning voltage which may drive the
- * oscillator to extreme conditions.
- *
- * Progfou: specification says to send config data before
- * frequency in case (wanted frequency < current frequency).
- */
-
/* IFPCoff = Video Intermediate Frequency - Vif:
940 =16*58.75 NTSC/J (Japan)
732 =16*45.75 M/N STD
@@ -284,7 +275,7 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
offset / 16, offset % 16 * 100 / 16,
div);
- if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
+ if (tuners[t->type].params->cb_first_if_lower_freq && div < t->last_div) {
buffer[0] = tun->params[j].config;
buffer[1] = config;
buffer[2] = (div>>8) & 0x7f;
@@ -295,6 +286,7 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
buffer[2] = tun->params[j].config;
buffer[3] = config;
}
+ t->last_div = div;
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
@@ -337,8 +329,8 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
{
struct tunertype *tun;
struct tuner *t = i2c_get_clientdata(c);
- unsigned char buffer[4];
- unsigned div;
+ u8 buffer[4];
+ u16 div;
int rc, j;
tun = &tuners[t->type];
@@ -374,9 +366,19 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
}
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
+ if (tuners[t->type].params->cb_first_if_lower_freq && div < t->last_div) {
+ buffer[0] = buffer[2];
+ buffer[1] = buffer[3];
+ buffer[2] = (div>>8) & 0x7f;
+ buffer[3] = div & 0xff;
+ } else {
+ buffer[0] = (div>>8) & 0x7f;
+ buffer[1] = div & 0xff;
+ }
tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
+ t->last_div = div;
if (4 != (rc = i2c_master_send(c,buffer,4)))
tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
@@ -390,10 +392,10 @@ int default_tuner_init(struct i2c_client *c)
t->type, tuners[t->type].name);
strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
- t->tv_freq = default_set_tv_freq;
- t->radio_freq = default_set_radio_freq;
+ t->set_tv_freq = default_set_tv_freq;
+ t->set_radio_freq = default_set_radio_freq;
t->has_signal = tuner_signal;
- t->is_stereo = tuner_stereo;
+ t->is_stereo = tuner_stereo;
t->standby = NULL;
return 0;
diff --git a/drivers/media/video/tuner-types.c b/drivers/media/video/tuner-types.c
index 32c9be4c5ca..6fe781798d8 100644
--- a/drivers/media/video/tuner-types.c
+++ b/drivers/media/video/tuner-types.c
@@ -81,6 +81,7 @@ static struct tuner_params tuner_philips_ntsc_params[] = {
.ranges = tuner_philips_ntsc_ranges,
.count = ARRAY_SIZE(tuner_philips_ntsc_ranges),
.config = 0x8e,
+ .cb_first_if_lower_freq = 1,
},
};
@@ -98,6 +99,7 @@ static struct tuner_params tuner_philips_secam_params[] = {
.ranges = tuner_philips_secam_ranges,
.count = ARRAY_SIZE(tuner_philips_secam_ranges),
.config = 0x8e,
+ .cb_first_if_lower_freq = 1,
},
};
@@ -115,6 +117,7 @@ static struct tuner_params tuner_philips_pal_params[] = {
.ranges = tuner_philips_pal_ranges,
.count = ARRAY_SIZE(tuner_philips_pal_ranges),
.config = 0x8e,
+ .cb_first_if_lower_freq = 1,
},
};
@@ -596,6 +599,7 @@ static struct tuner_params tuner_fm1216me_mk3_params[] = {
.ranges = tuner_fm1216me_mk3_pal_ranges,
.count = ARRAY_SIZE(tuner_fm1216me_mk3_pal_ranges),
.config = 0x8e,
+ .cb_first_if_lower_freq = 1,
},
};
@@ -670,6 +674,7 @@ static struct tuner_params tuner_fm1236_mk3_params[] = {
.ranges = tuner_fm1236_mk3_ntsc_ranges,
.count = ARRAY_SIZE(tuner_fm1236_mk3_ntsc_ranges),
.config = 0x8e,
+ .cb_first_if_lower_freq = 1,
},
};
@@ -784,6 +789,7 @@ static struct tuner_params tuner_tcl_2002n_params[] = {
.ranges = tuner_tcl_2002n_ntsc_ranges,
.count = ARRAY_SIZE(tuner_tcl_2002n_ntsc_ranges),
.config = 0x8e,
+ .cb_first_if_lower_freq = 1,
},
};
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index 5dbd7c1b362..cd2c4475525 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -306,6 +306,7 @@ static const char *v4l2_int_ioctls[] = {
#endif
[_IOC_NR(AUDC_SET_RADIO)] = "AUDC_SET_RADIO",
[_IOC_NR(AUDC_SET_INPUT)] = "AUDC_SET_INPUT",
+ [_IOC_NR(MSP_SET_MATRIX)] = "MSP_SET_MATRIX",
[_IOC_NR(TUNER_SET_TYPE_ADDR)] = "TUNER_SET_TYPE_ADDR",
[_IOC_NR(TUNER_SET_STANDBY)] = "TUNER_SET_STANDBY",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 23:51:10 +0000