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path: root/drivers/media/video/tuner-simple.c
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Diffstat (limited to 'drivers/media/video/tuner-simple.c')
-rw-r--r--drivers/media/video/tuner-simple.c331
1 files changed, 184 insertions, 147 deletions
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
index de0b291459f7..10addf2ba5ce 100644
--- a/drivers/media/video/tuner-simple.c
+++ b/drivers/media/video/tuner-simple.c
@@ -251,59 +251,13 @@ static int simple_config_lookup(struct dvb_frontend *fe,
/* ---------------------------------------------------------------------- */
-static int simple_set_tv_freq(struct dvb_frontend *fe,
- struct analog_parameters *params)
+static int simple_std_setup(struct dvb_frontend *fe,
+ struct analog_parameters *params,
+ u8 *buffer, u8 *config, u8 *cb)
{
struct tuner_simple_priv *priv = fe->tuner_priv;
- u8 config, cb, tuneraddr;
- u16 div;
- struct tunertype *tun;
- u8 buffer[4];
- int rc, IFPCoff, i;
- enum param_type desired_type;
- struct tuner_params *t_params;
-
- tun = priv->tun;
-
- /* IFPCoff = Video Intermediate Frequency - Vif:
- 940 =16*58.75 NTSC/J (Japan)
- 732 =16*45.75 M/N STD
- 704 =16*44 ATSC (at DVB code)
- 632 =16*39.50 I U.K.
- 622.4=16*38.90 B/G D/K I, L STD
- 592 =16*37.00 D China
- 590 =16.36.875 B Australia
- 543.2=16*33.95 L' STD
- 171.2=16*10.70 FM Radio (at set_radio_freq)
- */
-
- if (params->std == V4L2_STD_NTSC_M_JP) {
- IFPCoff = 940;
- desired_type = TUNER_PARAM_TYPE_NTSC;
- } else if ((params->std & V4L2_STD_MN) &&
- !(params->std & ~V4L2_STD_MN)) {
- IFPCoff = 732;
- desired_type = TUNER_PARAM_TYPE_NTSC;
- } else if (params->std == V4L2_STD_SECAM_LC) {
- IFPCoff = 543;
- desired_type = TUNER_PARAM_TYPE_SECAM;
- } else {
- IFPCoff = 623;
- desired_type = TUNER_PARAM_TYPE_PAL;
- }
-
- t_params = simple_tuner_params(fe, desired_type);
-
- i = simple_config_lookup(fe, t_params, &params->frequency,
- &config, &cb);
-
- div = params->frequency + IFPCoff + offset;
-
- tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
- "Offset=%d.%02d MHz, div=%0d\n",
- params->frequency / 16, params->frequency % 16 * 100 / 16,
- IFPCoff / 16, IFPCoff % 16 * 100 / 16,
- offset / 16, offset % 16 * 100 / 16, div);
+ u8 tuneraddr;
+ int rc;
/* tv norm specific stuff for multi-norm tuners */
switch (priv->type) {
@@ -311,45 +265,45 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
/* 0x01 -> ??? no change ??? */
/* 0x02 -> PAL BDGHI / SECAM L */
/* 0x04 -> ??? PAL others / SECAM others ??? */
- cb &= ~0x03;
+ *cb &= ~0x03;
if (params->std & V4L2_STD_SECAM_L)
/* also valid for V4L2_STD_SECAM */
- cb |= PHILIPS_MF_SET_STD_L;
+ *cb |= PHILIPS_MF_SET_STD_L;
else if (params->std & V4L2_STD_SECAM_LC)
- cb |= PHILIPS_MF_SET_STD_LC;
+ *cb |= PHILIPS_MF_SET_STD_LC;
else /* V4L2_STD_B|V4L2_STD_GH */
- cb |= PHILIPS_MF_SET_STD_BG;
+ *cb |= PHILIPS_MF_SET_STD_BG;
break;
case TUNER_TEMIC_4046FM5:
- cb &= ~0x0f;
+ *cb &= ~0x0f;
if (params->std & V4L2_STD_PAL_BG) {
- cb |= TEMIC_SET_PAL_BG;
+ *cb |= TEMIC_SET_PAL_BG;
} else if (params->std & V4L2_STD_PAL_I) {
- cb |= TEMIC_SET_PAL_I;
+ *cb |= TEMIC_SET_PAL_I;
} else if (params->std & V4L2_STD_PAL_DK) {
- cb |= TEMIC_SET_PAL_DK;
+ *cb |= TEMIC_SET_PAL_DK;
} else if (params->std & V4L2_STD_SECAM_L) {
- cb |= TEMIC_SET_PAL_L;
+ *cb |= TEMIC_SET_PAL_L;
}
break;
case TUNER_PHILIPS_FQ1216ME:
- cb &= ~0x0f;
+ *cb &= ~0x0f;
if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
- cb |= PHILIPS_SET_PAL_BGDK;
+ *cb |= PHILIPS_SET_PAL_BGDK;
} else if (params->std & V4L2_STD_PAL_I) {
- cb |= PHILIPS_SET_PAL_I;
+ *cb |= PHILIPS_SET_PAL_I;
} else if (params->std & V4L2_STD_SECAM_L) {
- cb |= PHILIPS_SET_PAL_L;
+ *cb |= PHILIPS_SET_PAL_L;
}
break;
@@ -359,15 +313,15 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
/* 0x01 -> ATSC antenna input 2 */
/* 0x02 -> NTSC antenna input 1 */
/* 0x03 -> NTSC antenna input 2 */
- cb &= ~0x03;
+ *cb &= ~0x03;
if (!(params->std & V4L2_STD_ATSC))
- cb |= 2;
+ *cb |= 2;
/* FIXME: input */
break;
case TUNER_MICROTUNE_4042FI5:
/* Set the charge pump for fast tuning */
- config |= TUNER_CHARGE_PUMP;
+ *config |= TUNER_CHARGE_PUMP;
break;
case TUNER_PHILIPS_TUV1236D:
@@ -379,9 +333,9 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
buffer[1] = 0x00;
buffer[2] = 0x17;
buffer[3] = 0x00;
- cb &= ~0x40;
+ *cb &= ~0x40;
if (params->std & V4L2_STD_ATSC) {
- cb |= 0x40;
+ *cb |= 0x40;
buffer[1] = 0x04;
}
/* set to the correct mode (analog or digital) */
@@ -400,6 +354,165 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
break;
}
+ return 0;
+}
+
+static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer,
+ u16 div, u8 config, u8 cb)
+{
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+ int rc;
+
+ switch (priv->type) {
+ case TUNER_LG_TDVS_H06XF:
+ /* Set the Auxiliary Byte. */
+ buffer[0] = buffer[2];
+ buffer[0] &= ~0x20;
+ buffer[0] |= 0x18;
+ buffer[1] = 0x20;
+ tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]);
+
+ rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
+ if (2 != rc)
+ tuner_warn("i2c i/o error: rc == %d "
+ "(should be 2)\n", rc);
+ break;
+ case TUNER_MICROTUNE_4042FI5:
+ {
+ /* FIXME - this may also work for other tuners */
+ unsigned long timeout = jiffies + msecs_to_jiffies(1);
+ u8 status_byte = 0;
+
+ /* Wait until the PLL locks */
+ for (;;) {
+ if (time_after(jiffies, timeout))
+ return 0;
+ rc = tuner_i2c_xfer_recv(&priv->i2c_props,
+ &status_byte, 1);
+ if (1 != rc) {
+ tuner_warn("i2c i/o read error: rc == %d "
+ "(should be 1)\n", rc);
+ break;
+ }
+ if (status_byte & TUNER_PLL_LOCKED)
+ break;
+ udelay(10);
+ }
+
+ /* Set the charge pump for optimized phase noise figure */
+ config &= ~TUNER_CHARGE_PUMP;
+ buffer[0] = (div>>8) & 0x7f;
+ buffer[1] = div & 0xff;
+ buffer[2] = config;
+ buffer[3] = cb;
+ tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
+ buffer[0], buffer[1], buffer[2], buffer[3]);
+
+ rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
+ if (4 != rc)
+ tuner_warn("i2c i/o error: rc == %d "
+ "(should be 4)\n", rc);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer)
+{
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+
+ switch (priv->type) {
+ case TUNER_TENA_9533_DI:
+ case TUNER_YMEC_TVF_5533MF:
+ tuner_dbg("This tuner doesn't have FM. "
+ "Most cards have a TEA5767 for FM\n");
+ return 0;
+ case TUNER_PHILIPS_FM1216ME_MK3:
+ case TUNER_PHILIPS_FM1236_MK3:
+ case TUNER_PHILIPS_FMD1216ME_MK3:
+ case TUNER_LG_NTSC_TAPE:
+ case TUNER_PHILIPS_FM1256_IH3:
+ buffer[3] = 0x19;
+ break;
+ case TUNER_TNF_5335MF:
+ buffer[3] = 0x11;
+ break;
+ case TUNER_LG_PAL_FM:
+ buffer[3] = 0xa5;
+ break;
+ case TUNER_THOMSON_DTT761X:
+ buffer[3] = 0x39;
+ break;
+ case TUNER_MICROTUNE_4049FM5:
+ default:
+ buffer[3] = 0xa4;
+ break;
+ }
+
+ return 0;
+}
+
+/* ---------------------------------------------------------------------- */
+
+static int simple_set_tv_freq(struct dvb_frontend *fe,
+ struct analog_parameters *params)
+{
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+ u8 config, cb;
+ u16 div;
+ struct tunertype *tun;
+ u8 buffer[4];
+ int rc, IFPCoff, i;
+ enum param_type desired_type;
+ struct tuner_params *t_params;
+
+ tun = priv->tun;
+
+ /* IFPCoff = Video Intermediate Frequency - Vif:
+ 940 =16*58.75 NTSC/J (Japan)
+ 732 =16*45.75 M/N STD
+ 704 =16*44 ATSC (at DVB code)
+ 632 =16*39.50 I U.K.
+ 622.4=16*38.90 B/G D/K I, L STD
+ 592 =16*37.00 D China
+ 590 =16.36.875 B Australia
+ 543.2=16*33.95 L' STD
+ 171.2=16*10.70 FM Radio (at set_radio_freq)
+ */
+
+ if (params->std == V4L2_STD_NTSC_M_JP) {
+ IFPCoff = 940;
+ desired_type = TUNER_PARAM_TYPE_NTSC;
+ } else if ((params->std & V4L2_STD_MN) &&
+ !(params->std & ~V4L2_STD_MN)) {
+ IFPCoff = 732;
+ desired_type = TUNER_PARAM_TYPE_NTSC;
+ } else if (params->std == V4L2_STD_SECAM_LC) {
+ IFPCoff = 543;
+ desired_type = TUNER_PARAM_TYPE_SECAM;
+ } else {
+ IFPCoff = 623;
+ desired_type = TUNER_PARAM_TYPE_PAL;
+ }
+
+ t_params = simple_tuner_params(fe, desired_type);
+
+ i = simple_config_lookup(fe, t_params, &params->frequency,
+ &config, &cb);
+
+ div = params->frequency + IFPCoff + offset;
+
+ tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
+ "Offset=%d.%02d MHz, div=%0d\n",
+ params->frequency / 16, params->frequency % 16 * 100 / 16,
+ IFPCoff / 16, IFPCoff % 16 * 100 / 16,
+ offset / 16, offset % 16 * 100 / 16, div);
+
+ /* tv norm specific stuff for multi-norm tuners */
+ simple_std_setup(fe, params, &buffer[1], &config, &cb);
+
if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
buffer[0] = config;
buffer[1] = cb;
@@ -463,58 +576,8 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
if (4 != rc)
tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
- switch (priv->type) {
- case TUNER_LG_TDVS_H06XF:
- /* Set the Auxiliary Byte. */
- buffer[0] = buffer[2];
- buffer[0] &= ~0x20;
- buffer[0] |= 0x18;
- buffer[1] = 0x20;
- tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]);
-
- rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
- if (2 != rc)
- tuner_warn("i2c i/o error: rc == %d "
- "(should be 2)\n", rc);
- break;
- case TUNER_MICROTUNE_4042FI5:
- {
- /* FIXME - this may also work for other tuners */
- unsigned long timeout = jiffies + msecs_to_jiffies(1);
- u8 status_byte = 0;
-
- /* Wait until the PLL locks */
- for (;;) {
- if (time_after(jiffies, timeout))
- return 0;
- rc = tuner_i2c_xfer_recv(&priv->i2c_props,
- &status_byte, 1);
- if (1 != rc) {
- tuner_warn("i2c i/o read error: rc == %d "
- "(should be 1)\n", rc);
- break;
- }
- if (status_byte & TUNER_PLL_LOCKED)
- break;
- udelay(10);
- }
-
- /* Set the charge pump for optimized phase noise figure */
- config &= ~TUNER_CHARGE_PUMP;
- buffer[0] = (div>>8) & 0x7f;
- buffer[1] = div & 0xff;
- buffer[2] = config;
- buffer[3] = cb;
- tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
- buffer[0], buffer[1], buffer[2], buffer[3]);
+ simple_post_tune(fe, &buffer[0], div, config, cb);
- rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
- if (4 != rc)
- tuner_warn("i2c i/o error: rc == %d "
- "(should be 4)\n", rc);
- break;
- }
- }
return 0;
}
@@ -555,33 +618,7 @@ static int simple_set_radio_freq(struct dvb_frontend *fe,
}
/* Bandswitch byte */
- switch (priv->type) {
- case TUNER_TENA_9533_DI:
- case TUNER_YMEC_TVF_5533MF:
- tuner_dbg("This tuner doesn't have FM. "
- "Most cards have a TEA5767 for FM\n");
- return 0;
- case TUNER_PHILIPS_FM1216ME_MK3:
- case TUNER_PHILIPS_FM1236_MK3:
- case TUNER_PHILIPS_FMD1216ME_MK3:
- case TUNER_LG_NTSC_TAPE:
- case TUNER_PHILIPS_FM1256_IH3:
- buffer[3] = 0x19;
- break;
- case TUNER_TNF_5335MF:
- buffer[3] = 0x11;
- break;
- case TUNER_LG_PAL_FM:
- buffer[3] = 0xa5;
- break;
- case TUNER_THOMSON_DTT761X:
- buffer[3] = 0x39;
- break;
- case TUNER_MICROTUNE_4049FM5:
- default:
- buffer[3] = 0xa4;
- break;
- }
+ simple_radio_bandswitch(fe, &buffer[0]);
buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
TUNER_RATIO_SELECT_50; /* 50 kHz step */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 14:24:48 +0100