diff options
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-alsa.c | 228 |
1 files changed, 150 insertions, 78 deletions
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c index 7c0a3a3..d48c450 100644 --- a/drivers/media/video/saa7134/saa7134-alsa.c +++ b/drivers/media/video/saa7134/saa7134-alsa.c @@ -40,6 +40,7 @@ MODULE_PARM_DESC(debug,"enable debug messages [alsa]"); */ /* defaults */ +#define MIXER_ADDR_UNSELECTED -1 #define MIXER_ADDR_TVTUNER 0 #define MIXER_ADDR_LINE1 1 #define MIXER_ADDR_LINE2 2 @@ -68,7 +69,9 @@ typedef struct snd_card_saa7134 { struct snd_card *card; spinlock_t mixer_lock; int mixer_volume[MIXER_ADDR_LAST+1][2]; - int capture_source[MIXER_ADDR_LAST+1][2]; + int capture_source_addr; + int capture_source[2]; + struct snd_kcontrol *capture_ctl[MIXER_ADDR_LAST+1]; struct pci_dev *pci; struct saa7134_dev *dev; @@ -314,6 +317,115 @@ static int dsp_buffer_free(struct saa7134_dev *dev) return 0; } +/* + * Setting the capture source and updating the ALSA controls + */ +static int snd_saa7134_capsrc_set(struct snd_kcontrol *kcontrol, + int left, int right, bool force_notify) +{ + snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); + int change = 0, addr = kcontrol->private_value; + int active, old_addr; + u32 anabar, xbarin; + int analog_io, rate; + struct saa7134_dev *dev; + + dev = chip->dev; + + spin_lock_irq(&chip->mixer_lock); + + active = left != 0 || right != 0; + old_addr = chip->capture_source_addr; + + /* The active capture source cannot be deactivated */ + if (active) { + change = old_addr != addr || + chip->capture_source[0] != left || + chip->capture_source[1] != right; + + chip->capture_source[0] = left; + chip->capture_source[1] = right; + chip->capture_source_addr = addr; + dev->dmasound.input = addr; + } + spin_unlock_irq(&chip->mixer_lock); + + if (change) { + switch (dev->pci->device) { + + case PCI_DEVICE_ID_PHILIPS_SAA7134: + switch (addr) { + case MIXER_ADDR_TVTUNER: + saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, + 0xc0, 0xc0); + saa_andorb(SAA7134_SIF_SAMPLE_FREQ, + 0x03, 0x00); + break; + case MIXER_ADDR_LINE1: + case MIXER_ADDR_LINE2: + analog_io = (MIXER_ADDR_LINE1 == addr) ? + 0x00 : 0x08; + rate = (32000 == dev->dmasound.rate) ? + 0x01 : 0x03; + saa_andorb(SAA7134_ANALOG_IO_SELECT, + 0x08, analog_io); + saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, + 0xc0, 0x80); + saa_andorb(SAA7134_SIF_SAMPLE_FREQ, + 0x03, rate); + break; + } + + break; + case PCI_DEVICE_ID_PHILIPS_SAA7133: + case PCI_DEVICE_ID_PHILIPS_SAA7135: + xbarin = 0x03; /* adc */ + anabar = 0; + switch (addr) { + case MIXER_ADDR_TVTUNER: + xbarin = 0; /* Demodulator */ + anabar = 2; /* DACs */ + break; + case MIXER_ADDR_LINE1: + anabar = 0; /* aux1, aux1 */ + break; + case MIXER_ADDR_LINE2: + anabar = 9; /* aux2, aux2 */ + break; + } + + /* output xbar always main channel */ + saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1, + 0xbbbb10); + + if (left || right) { + /* We've got data, turn the input on */ + saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, + xbarin); + saa_writel(SAA7133_ANALOG_IO_SELECT, anabar); + } else { + saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, + 0); + saa_writel(SAA7133_ANALOG_IO_SELECT, 0); + } + break; + } + } + + if (change) { + if (force_notify) + snd_ctl_notify(chip->card, + SNDRV_CTL_EVENT_MASK_VALUE, + &chip->capture_ctl[addr]->id); + + if (old_addr != MIXER_ADDR_UNSELECTED && old_addr != addr) + snd_ctl_notify(chip->card, + SNDRV_CTL_EVENT_MASK_VALUE, + &chip->capture_ctl[old_addr]->id); + } + + return change; +} /* * ALSA PCM preparation @@ -401,6 +513,10 @@ static int snd_card_saa7134_capture_prepare(struct snd_pcm_substream * substream dev->dmasound.rate = runtime->rate; + /* Setup and update the card/ALSA controls */ + snd_saa7134_capsrc_set(saa7134->capture_ctl[dev->dmasound.input], 1, 1, + true); + return 0; } @@ -846,8 +962,13 @@ static int snd_saa7134_capsrc_get(struct snd_kcontrol * kcontrol, int addr = kcontrol->private_value; spin_lock_irq(&chip->mixer_lock); - ucontrol->value.integer.value[0] = chip->capture_source[addr][0]; - ucontrol->value.integer.value[1] = chip->capture_source[addr][1]; + if (chip->capture_source_addr == addr) { + ucontrol->value.integer.value[0] = chip->capture_source[0]; + ucontrol->value.integer.value[1] = chip->capture_source[1]; + } else { + ucontrol->value.integer.value[0] = 0; + ucontrol->value.integer.value[1] = 0; + } spin_unlock_irq(&chip->mixer_lock); return 0; @@ -856,87 +977,22 @@ static int snd_saa7134_capsrc_get(struct snd_kcontrol * kcontrol, static int snd_saa7134_capsrc_put(struct snd_kcontrol * kcontrol, struct snd_ctl_elem_value * ucontrol) { - snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); - int change, addr = kcontrol->private_value; int left, right; - u32 anabar, xbarin; - int analog_io, rate; - struct saa7134_dev *dev; - - dev = chip->dev; - left = ucontrol->value.integer.value[0] & 1; right = ucontrol->value.integer.value[1] & 1; - spin_lock_irq(&chip->mixer_lock); - change = chip->capture_source[addr][0] != left || - chip->capture_source[addr][1] != right; - chip->capture_source[addr][0] = left; - chip->capture_source[addr][1] = right; - dev->dmasound.input=addr; - spin_unlock_irq(&chip->mixer_lock); - - - if (change) { - switch (dev->pci->device) { - - case PCI_DEVICE_ID_PHILIPS_SAA7134: - switch (addr) { - case MIXER_ADDR_TVTUNER: - saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0); - saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); - break; - case MIXER_ADDR_LINE1: - case MIXER_ADDR_LINE2: - analog_io = (MIXER_ADDR_LINE1 == addr) ? 0x00 : 0x08; - rate = (32000 == dev->dmasound.rate) ? 0x01 : 0x03; - saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io); - saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80); - saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate); - break; - } - - break; - case PCI_DEVICE_ID_PHILIPS_SAA7133: - case PCI_DEVICE_ID_PHILIPS_SAA7135: - xbarin = 0x03; // adc - anabar = 0; - switch (addr) { - case MIXER_ADDR_TVTUNER: - xbarin = 0; // Demodulator - anabar = 2; // DACs - break; - case MIXER_ADDR_LINE1: - anabar = 0; // aux1, aux1 - break; - case MIXER_ADDR_LINE2: - anabar = 9; // aux2, aux2 - break; - } - - /* output xbar always main channel */ - saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1, 0xbbbb10); - - if (left || right) { // We've got data, turn the input on - saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, xbarin); - saa_writel(SAA7133_ANALOG_IO_SELECT, anabar); - } else { - saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, 0); - saa_writel(SAA7133_ANALOG_IO_SELECT, 0); - } - break; - } - } - - return change; + return snd_saa7134_capsrc_set(kcontrol, left, right, false); } -static struct snd_kcontrol_new snd_saa7134_controls[] = { +static struct snd_kcontrol_new snd_saa7134_volume_controls[] = { SAA713x_VOLUME("Video Volume", 0, MIXER_ADDR_TVTUNER), -SAA713x_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER), SAA713x_VOLUME("Line Volume", 1, MIXER_ADDR_LINE1), -SAA713x_CAPSRC("Line Capture Switch", 1, MIXER_ADDR_LINE1), SAA713x_VOLUME("Line Volume", 2, MIXER_ADDR_LINE2), +}; + +static struct snd_kcontrol_new snd_saa7134_capture_controls[] = { +SAA713x_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER), +SAA713x_CAPSRC("Line Capture Switch", 1, MIXER_ADDR_LINE1), SAA713x_CAPSRC("Line Capture Switch", 2, MIXER_ADDR_LINE2), }; @@ -951,17 +1007,33 @@ SAA713x_CAPSRC("Line Capture Switch", 2, MIXER_ADDR_LINE2), static int snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip) { struct snd_card *card = chip->card; + struct snd_kcontrol *kcontrol; unsigned int idx; - int err; + int err, addr; if (snd_BUG_ON(!chip)) return -EINVAL; strcpy(card->mixername, "SAA7134 Mixer"); - for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_saa7134_controls[idx], chip))) < 0) + for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_volume_controls); idx++) { + kcontrol = snd_ctl_new1(&snd_saa7134_volume_controls[idx], + chip); + err = snd_ctl_add(card, kcontrol); + if (err < 0) return err; } + + for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_capture_controls); idx++) { + kcontrol = snd_ctl_new1(&snd_saa7134_capture_controls[idx], + chip); + addr = snd_saa7134_capture_controls[idx].private_value; + chip->capture_ctl[addr] = kcontrol; + err = snd_ctl_add(card, kcontrol); + if (err < 0) + return err; + } + + chip->capture_source_addr = MIXER_ADDR_UNSELECTED; return 0; } |
