Switches IF AGC control via GPIO 21 of the saa7134. Improves DTV reception and
FM radio reception.
Signed-off-by: henk.vergo...@gmail.com
diff -r 29e4ba1a09bc linux/drivers/media/video/saa7134/saa7134-cards.c
--- a/linux/drivers/media/video/saa7134/saa7134-cards.c Sat Sep 19 09:45:22
2009 -0300
+++ b/linux/drivers/media/video/saa7134/saa7134-cards.c Tue Sep 22 22:06:31
2009 +0200
@@ -6651,6 +6651,22 @@
return 0;
}
+static inline int saa7134_tda18271_zolid_toggle_agc(struct saa7134_dev *dev,
+ enum tda18271_mode mode)
+{
+ switch (mode) {
+ case TDA18271_ANALOG:
+ saa7134_set_gpio(dev, 21, 0);
+ break;
+ case TDA18271_DIGITAL:
+ saa7134_set_gpio(dev, 21, 1);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
static int saa7134_tda8290_18271_callback(struct saa7134_dev *dev,
int command, int arg)
{
@@ -6663,7 +6679,8 @@
case SAA7134_BOARD_HAUPPAUGE_HVR1120:
ret = saa7134_tda18271_hvr11x0_toggle_agc(dev, arg);
break;
- default:
+ case SAA7134_BOARD_ZOLID_HYBRID_PCI:
+ ret = saa7134_tda18271_zolid_toggle_agc(dev, arg);
break;
}
break;
@@ -6682,6 +6699,7 @@
switch (dev->board) {
case SAA7134_BOARD_HAUPPAUGE_HVR1150:
case SAA7134_BOARD_HAUPPAUGE_HVR1120:
+ case SAA7134_BOARD_ZOLID_HYBRID_PCI:
/* tda8290 + tda18271 */
ret = saa7134_tda8290_18271_callback(dev, command, arg);
break;
@@ -6985,6 +7003,11 @@
saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, 0x00008000, 0x00008000);
saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, 0x00008000, 0x00008000);
break;
+ case SAA7134_BOARD_ZOLID_HYBRID_PCI:
+ saa7134_set_gpio(dev, 21, 0); /* s0 HC4052 */
+ saa7134_set_gpio(dev, 22, 0); /* vsync tda18271 - TODO
implement saa713x driven sync in analog TV modes */
+ saa7134_set_gpio(dev, 23, 0); /* s1 HC4052 */
+ break;
}
return 0;
}
diff -r 29e4ba1a09bc linux/drivers/media/video/saa7134/saa7134-dvb.c
--- a/linux/drivers/media/video/saa7134/saa7134-dvb.c Sat Sep 19 09:45:22
2009 -0300
+++ b/linux/drivers/media/video/saa7134/saa7134-dvb.c Tue Sep 22 22:06:31
2009 +0200
@@ -1026,8 +1026,17 @@
.disable_gate_access = 1,
};
+static struct tda18271_std_map zolid_tda18271_std_map = {
+ /* FM reception via RF_IN */
+ .fm_radio = { .if_freq = 1250, .fm_rfn = 0, .agc_mode = 3, .std = 0,
+ .if_lvl = 0, .rfagc_top = 0x2c, },
+};
+
static struct tda18271_config zolid_tda18271_config = {
+ .std_map = &zolid_tda18271_std_map,
.gate = TDA18271_GATE_ANALOG,
+ .config = 3,
+ .output_opt = TDA18271_OUTPUT_LT_OFF,
};
/* ==================================================================
--
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