aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/media/video/bt8xx/bttv-cards.c37
-rw-r--r--drivers/media/video/bt8xx/bttv-driver.c13
-rw-r--r--drivers/media/video/bt8xx/bttv.h2
3 files changed, 30 insertions, 22 deletions
diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c
index 2df0ce2afe9..5c558e48e42 100644
--- a/drivers/media/video/bt8xx/bttv-cards.c
+++ b/drivers/media/video/bt8xx/bttv-cards.c
@@ -4084,27 +4084,26 @@ static void __devinit avermedia_eeprom(struct bttv *btv)
btv->has_remote ? "yes" : "no");
}
-/* used on Voodoo TV/FM (Voodoo 200), S0 wired to 0x10000 */
-void bttv_tda9880_setnorm(struct bttv *btv, unsigned int norm)
+/*
+ * For Voodoo TV/FM and Voodoo 200. These cards' tuners use a TDA9880
+ * analog demod, which is not I2C controlled like the newer and more common
+ * TDA9887 series. Instead is has two tri-state input pins, S0 and S1,
+ * that control the IF for the video and audio. Apparently, bttv GPIO
+ * 0x10000 is connected to S0. S0 low selects a 38.9 MHz VIF for B/G/D/K/I
+ * (i.e., PAL) while high selects 45.75 MHz for M/N (i.e., NTSC).
+ */
+u32 bttv_tda9880_setnorm(struct bttv *btv, u32 gpiobits)
{
- /* fix up our card entry */
- if(norm==V4L2_STD_NTSC) {
- bttv_tvcards[BTTV_BOARD_VOODOOTV_FM].gpiomux[TVAUDIO_INPUT_TUNER]=0x957fff;
- bttv_tvcards[BTTV_BOARD_VOODOOTV_FM].gpiomute=0x957fff;
- bttv_tvcards[BTTV_BOARD_VOODOOTV_200].gpiomux[TVAUDIO_INPUT_TUNER]=0x957fff;
- bttv_tvcards[BTTV_BOARD_VOODOOTV_200].gpiomute=0x957fff;
- dprintk("bttv_tda9880_setnorm to NTSC\n");
- }
- else {
- bttv_tvcards[BTTV_BOARD_VOODOOTV_FM].gpiomux[TVAUDIO_INPUT_TUNER]=0x947fff;
- bttv_tvcards[BTTV_BOARD_VOODOOTV_FM].gpiomute=0x947fff;
- bttv_tvcards[BTTV_BOARD_VOODOOTV_200].gpiomux[TVAUDIO_INPUT_TUNER]=0x947fff;
- bttv_tvcards[BTTV_BOARD_VOODOOTV_200].gpiomute=0x947fff;
- dprintk("bttv_tda9880_setnorm to PAL\n");
+
+ if (btv->audio == TVAUDIO_INPUT_TUNER) {
+ if (bttv_tvnorms[btv->tvnorm].v4l2_id & V4L2_STD_MN)
+ gpiobits |= 0x10000;
+ else
+ gpiobits &= ~0x10000;
}
- /* set GPIO according */
- gpio_bits(bttv_tvcards[btv->c.type].gpiomask,
- bttv_tvcards[btv->c.type].gpiomux[btv->audio]);
+
+ gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpiobits);
+ return gpiobits;
}
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index 4ec476a9c0e..89e0cd19153 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -1180,7 +1180,16 @@ audio_mux(struct bttv *btv, int input, int mute)
else
gpio_val = bttv_tvcards[btv->c.type].gpiomux[input];
- gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val);
+ switch (btv->c.type) {
+ case BTTV_BOARD_VOODOOTV_FM:
+ case BTTV_BOARD_VOODOOTV_200:
+ gpio_val = bttv_tda9880_setnorm(btv, gpio_val);
+ break;
+
+ default:
+ gpio_bits(bttv_tvcards[btv->c.type].gpiomask, gpio_val);
+ }
+
if (bttv_gpio)
bttv_gpio_tracking(btv, audio_modes[mute ? 4 : input]);
if (in_interrupt())
@@ -1319,7 +1328,7 @@ set_tvnorm(struct bttv *btv, unsigned int norm)
switch (btv->c.type) {
case BTTV_BOARD_VOODOOTV_FM:
case BTTV_BOARD_VOODOOTV_200:
- bttv_tda9880_setnorm(btv,norm);
+ bttv_tda9880_setnorm(btv, gpio_read());
break;
}
id = tvnorm->v4l2_id;
diff --git a/drivers/media/video/bt8xx/bttv.h b/drivers/media/video/bt8xx/bttv.h
index b1986b94d29..6bf2fa03a58 100644
--- a/drivers/media/video/bt8xx/bttv.h
+++ b/drivers/media/video/bt8xx/bttv.h
@@ -265,7 +265,7 @@ extern void bttv_init_card2(struct bttv *btv);
/* card-specific funtions */
extern void tea5757_set_freq(struct bttv *btv, unsigned short freq);
-extern void bttv_tda9880_setnorm(struct bttv *btv, unsigned int norm);
+extern u32 bttv_tda9880_setnorm(struct bttv *btv, u32 gpiobits);
/* extra tweaks for some chipsets */
extern void bttv_check_chipset(void);