[ALSA] Implement S32_LE(24bit) and 96000 capture rates etc.
CA0106 driver
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c
index 58d9026..1c26206 100644
--- a/sound/pci/ca0106/ca0106_main.c
+++ b/sound/pci/ca0106/ca0106_main.c
@@ -216,10 +216,10 @@
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID),
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
- .rates = SNDRV_PCM_RATE_48000,
- .rate_min = 48000,
- .rate_max = 48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
+ .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000,
+ .rate_min = 44100,
+ .rate_max = 192000,
.channels_min = 2,
.channels_max = 2,
.buffer_bytes_max = ((65536 - 64) * 8),
@@ -607,6 +607,61 @@
snd_pcm_runtime_t *runtime = substream->runtime;
ca0106_pcm_t *epcm = runtime->private_data;
int channel = epcm->channel_id;
+ u32 hcfg_mask = HCFG_CAPTURE_S32_LE;
+ u32 hcfg_set = 0x00000000;
+ u32 hcfg;
+ u32 over_sampling=0x2;
+ u32 reg71_mask = 0x0000c000 ; /* Global. Set ADC rate. */
+ u32 reg71_set = 0;
+ u32 reg71;
+
+ //snd_printk("prepare:channel_number=%d, rate=%d, format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, periods=%u, frames_to_bytes=%d\n",channel, runtime->rate, runtime->format, runtime->channels, runtime->buffer_size, runtime->period_size, runtime->periods, frames_to_bytes(runtime, 1));
+ //snd_printk("dma_addr=%x, dma_area=%p, table_base=%p\n",runtime->dma_addr, runtime->dma_area, table_base);
+ //snd_printk("dma_addr=%x, dma_area=%p, dma_bytes(size)=%x\n",emu->buffer.addr, emu->buffer.area, emu->buffer.bytes);
+ /* reg71 controls ADC rate. */
+ switch (runtime->rate) {
+ case 44100:
+ reg71_set = 0x00004000;
+ break;
+ case 48000:
+ reg71_set = 0;
+ break;
+ case 96000:
+ reg71_set = 0x00008000;
+ over_sampling=0xa;
+ break;
+ case 192000:
+ reg71_set = 0x0000c000;
+ over_sampling=0xa;
+ break;
+ default:
+ reg71_set = 0;
+ break;
+ }
+ /* Format is a global setting */
+ /* FIXME: Only let the first channel accessed set this. */
+ switch (runtime->format) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ hcfg_set = 0;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ hcfg_set = HCFG_CAPTURE_S32_LE;
+ break;
+ default:
+ hcfg_set = 0;
+ break;
+ }
+ hcfg = inl(emu->port + HCFG) ;
+ hcfg = (hcfg & ~hcfg_mask) | hcfg_set;
+ outl(hcfg, emu->port + HCFG);
+ reg71 = snd_ca0106_ptr_read(emu, 0x71, 0);
+ reg71 = (reg71 & ~reg71_mask) | reg71_set;
+ snd_ca0106_ptr_write(emu, 0x71, 0, reg71);
+ if (emu->details->i2c_adc == 1) { /* The SB0410 and SB0413 use I2C to control ADC. */
+ snd_ca0106_i2c_write(emu, ADC_MASTER, over_sampling); /* Adjust the over sampler to better suit the capture rate. */
+ }
+
+
//printk("prepare:channel_number=%d, rate=%d, format=0x%x, channels=%d, buffer_size=%ld, period_size=%ld, frames_to_bytes=%d\n",channel, runtime->rate, runtime->format, runtime->channels, runtime->buffer_size, runtime->period_size, frames_to_bytes(runtime, 1));
snd_ca0106_ptr_write(emu, 0x13, channel, 0);
snd_ca0106_ptr_write(emu, CAPTURE_DMA_ADDR, channel, runtime->dma_addr);