diff options
Diffstat (limited to 'sound/pci/ca0106/ca0106_main.c')
-rw-r--r-- | sound/pci/ca0106/ca0106_main.c | 136 |
1 files changed, 93 insertions, 43 deletions
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index 0a3d3d6e77b..d2d12c08f93 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -227,7 +227,7 @@ static struct snd_ca0106_details ca0106_chip_details[] = { .name = "Audigy SE [SB0570]", .gpio_type = 1, .i2c_adc = 1, - .spi_dac = 1 } , + .spi_dac = 0x4021 } , /* New Audigy LS. Has a different DAC. */ /* SB0570: * CTRL:CA0106-DAT @@ -238,7 +238,17 @@ static struct snd_ca0106_details ca0106_chip_details[] = { .name = "Audigy SE OEM [SB0570a]", .gpio_type = 1, .i2c_adc = 1, - .spi_dac = 1 } , + .spi_dac = 0x4021 } , + /* Sound Blaster 5.1vx + * Tested: Playback on front, rear, center/lfe speakers + * Not-Tested: Capture + */ + { .serial = 0x10041102, + .name = "Sound Blaster 5.1vx [SB1070]", + .gpio_type = 1, + .i2c_adc = 0, + .spi_dac = 0x0124 + } , /* MSI K8N Diamond Motherboard with onboard SB Live 24bit without AC97 */ /* SB0438 * CTRL:CA0106-DAT @@ -254,7 +264,7 @@ static struct snd_ca0106_details ca0106_chip_details[] = { .name = "MSI K8N Diamond MB", .gpio_type = 2, .i2c_adc = 1, - .spi_dac = 1 } , + .spi_dac = 0x4021 } , /* Giga-byte GA-G1975X mobo * Novell bnc#395807 */ @@ -483,16 +493,18 @@ static void snd_ca0106_pcm_free_substream(struct snd_pcm_runtime *runtime) } static const int spi_dacd_reg[] = { - [PCM_FRONT_CHANNEL] = SPI_DACD4_REG, - [PCM_REAR_CHANNEL] = SPI_DACD0_REG, - [PCM_CENTER_LFE_CHANNEL]= SPI_DACD2_REG, - [PCM_UNKNOWN_CHANNEL] = SPI_DACD1_REG, + SPI_DACD0_REG, + SPI_DACD1_REG, + SPI_DACD2_REG, + 0, + SPI_DACD4_REG, }; static const int spi_dacd_bit[] = { - [PCM_FRONT_CHANNEL] = SPI_DACD4_BIT, - [PCM_REAR_CHANNEL] = SPI_DACD0_BIT, - [PCM_CENTER_LFE_CHANNEL]= SPI_DACD2_BIT, - [PCM_UNKNOWN_CHANNEL] = SPI_DACD1_BIT, + SPI_DACD0_BIT, + SPI_DACD1_BIT, + SPI_DACD2_BIT, + 0, + SPI_DACD4_BIT, }; static void restore_spdif_bits(struct snd_ca0106 *chip, int idx) @@ -504,6 +516,45 @@ static void restore_spdif_bits(struct snd_ca0106 *chip, int idx) } } +static int snd_ca0106_channel_dac(struct snd_ca0106_details *details, + int channel_id) +{ + switch (channel_id) { + case PCM_FRONT_CHANNEL: + return (details->spi_dac & 0xf000) >> (4 * 3); + case PCM_REAR_CHANNEL: + return (details->spi_dac & 0x0f00) >> (4 * 2); + case PCM_CENTER_LFE_CHANNEL: + return (details->spi_dac & 0x00f0) >> (4 * 1); + case PCM_UNKNOWN_CHANNEL: + return (details->spi_dac & 0x000f) >> (4 * 0); + default: + snd_printk(KERN_DEBUG "ca0106: unknown channel_id %d\n", + channel_id); + } + return 0; +} + +static int snd_ca0106_pcm_power_dac(struct snd_ca0106 *chip, int channel_id, + int power) +{ + if (chip->details->spi_dac) { + const int dac = snd_ca0106_channel_dac(chip->details, + channel_id); + const int reg = spi_dacd_reg[dac]; + const int bit = spi_dacd_bit[dac]; + + if (power) + /* Power up */ + chip->spi_dac_reg[reg] &= ~bit; + else + /* Power down */ + chip->spi_dac_reg[reg] |= bit; + return snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]); + } + return 0; +} + /* open_playback callback */ static int snd_ca0106_pcm_open_playback_channel(struct snd_pcm_substream *substream, int channel_id) @@ -543,12 +594,9 @@ static int snd_ca0106_pcm_open_playback_channel(struct snd_pcm_substream *substr return err; snd_pcm_set_sync(substream); - if (chip->details->spi_dac && channel_id != PCM_FRONT_CHANNEL) { - const int reg = spi_dacd_reg[channel_id]; - - /* Power up dac */ - chip->spi_dac_reg[reg] &= ~spi_dacd_bit[channel_id]; - err = snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]); + /* Front channel dac should already be on */ + if (channel_id != PCM_FRONT_CHANNEL) { + err = snd_ca0106_pcm_power_dac(chip, channel_id, 1); if (err < 0) return err; } @@ -568,13 +616,14 @@ static int snd_ca0106_pcm_close_playback(struct snd_pcm_substream *substream) restore_spdif_bits(chip, epcm->channel_id); - if (chip->details->spi_dac && epcm->channel_id != PCM_FRONT_CHANNEL) { - const int reg = spi_dacd_reg[epcm->channel_id]; - - /* Power down DAC */ - chip->spi_dac_reg[reg] |= spi_dacd_bit[epcm->channel_id]; - snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]); + /* Front channel dac should stay on */ + if (epcm->channel_id != PCM_FRONT_CHANNEL) { + int err; + err = snd_ca0106_pcm_power_dac(chip, epcm->channel_id, 0); + if (err < 0) + return err; } + /* FIXME: maybe zero others */ return 0; } @@ -1002,29 +1051,27 @@ snd_ca0106_pcm_pointer_playback(struct snd_pcm_substream *substream) struct snd_ca0106 *emu = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_ca0106_pcm *epcm = runtime->private_data; - snd_pcm_uframes_t ptr, ptr1, ptr2,ptr3,ptr4 = 0; + unsigned int ptr, prev_ptr; int channel = epcm->channel_id; + int timeout = 10; if (!epcm->running) return 0; - ptr3 = snd_ca0106_ptr_read(emu, PLAYBACK_LIST_PTR, channel); - ptr1 = snd_ca0106_ptr_read(emu, PLAYBACK_POINTER, channel); - ptr4 = snd_ca0106_ptr_read(emu, PLAYBACK_LIST_PTR, channel); - if (ptr3 != ptr4) ptr1 = snd_ca0106_ptr_read(emu, PLAYBACK_POINTER, channel); - ptr2 = bytes_to_frames(runtime, ptr1); - ptr2+= (ptr4 >> 3) * runtime->period_size; - ptr=ptr2; - if (ptr >= runtime->buffer_size) - ptr -= runtime->buffer_size; - /* - printk(KERN_DEBUG "ptr1 = 0x%lx, ptr2=0x%lx, ptr=0x%lx, " - "buffer_size = 0x%x, period_size = 0x%x, bits=%d, rate=%d\n", - ptr1, ptr2, ptr, (int)runtime->buffer_size, - (int)runtime->period_size, (int)runtime->frame_bits, - (int)runtime->rate); - */ - return ptr; + prev_ptr = -1; + do { + ptr = snd_ca0106_ptr_read(emu, PLAYBACK_LIST_PTR, channel); + ptr = (ptr >> 3) * runtime->period_size; + ptr += bytes_to_frames(runtime, + snd_ca0106_ptr_read(emu, PLAYBACK_POINTER, channel)); + if (ptr >= runtime->buffer_size) + ptr -= runtime->buffer_size; + if (prev_ptr == ptr) + return ptr; + prev_ptr = ptr; + } while (--timeout); + snd_printk(KERN_WARNING "ca0106: unstable DMA pointer!\n"); + return 0; } /* pointer_capture callback */ @@ -1362,7 +1409,7 @@ static unsigned int spi_dac_init[] = { SPI_REG(12, 0x00), SPI_REG(SPI_LDA4_REG, SPI_DA_BIT_0dB), SPI_REG(SPI_RDA4_REG, SPI_DA_BIT_0dB | SPI_DA_BIT_UPDATE), - SPI_REG(SPI_DACD4_REG, 0x00), + SPI_REG(SPI_DACD4_REG, SPI_DACD4_BIT), }; static unsigned int i2c_adc_init[][2] = { @@ -1541,7 +1588,7 @@ static void ca0106_init_chip(struct snd_ca0106 *chip, int resume) /* snd_ca0106_i2c_write(chip, ADC_MUX, ADC_MUX_LINEIN); */ } - if (chip->details->spi_dac == 1) { + if (chip->details->spi_dac) { /* The SB0570 use SPI to control DAC. */ int size, n; @@ -1553,6 +1600,9 @@ static void ca0106_init_chip(struct snd_ca0106 *chip, int resume) if (reg < ARRAY_SIZE(chip->spi_dac_reg)) chip->spi_dac_reg[reg] = spi_dac_init[n]; } + + /* Enable front dac only */ + snd_ca0106_pcm_power_dac(chip, PCM_FRONT_CHANNEL, 1); } } |