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author | Torsten Schenk <torsten.schenk@zoho.com> | 2011-04-04 11:50:53 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2011-04-04 12:26:21 +0200 |
commit | 2475b0d407614ea5a41b8325d45c614d94087088 (patch) | |
tree | 397aa0eb6ae0f7220992fcd98b6dd86e8271be76 /sound/usb/6fire/pcm.c | |
parent | b84610b95f7e7bcd1cd9ecf3e8506a59e9f557fd (diff) | |
download | linux-2475b0d407614ea5a41b8325d45c614d94087088.tar.bz2 |
ALSA: 6fire - Add support of digital-thru mixer
Digital Thru mixer element added (device can act as converter optical<->coax)
Signed-off-by: Torsten Schenk <torsten.schenk@zoho.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/6fire/pcm.c')
-rw-r--r-- | sound/usb/6fire/pcm.c | 62 |
1 files changed, 15 insertions, 47 deletions
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c index 7ea698793d43..b137b25865cc 100644 --- a/sound/usb/6fire/pcm.c +++ b/sound/usb/6fire/pcm.c @@ -17,26 +17,23 @@ #include "pcm.h" #include "chip.h" #include "comm.h" +#include "control.h" enum { OUT_N_CHANNELS = 6, IN_N_CHANNELS = 4 }; /* keep next two synced with - * FW_EP_W_MAX_PACKET_SIZE[] and RATES_MAX_PACKET_SIZE */ + * FW_EP_W_MAX_PACKET_SIZE[] and RATES_MAX_PACKET_SIZE + * and CONTROL_RATE_XXX in control.h */ static const int rates_in_packet_size[] = { 228, 228, 420, 420, 404, 404 }; static const int rates_out_packet_size[] = { 228, 228, 420, 420, 604, 604 }; static const int rates[] = { 44100, 48000, 88200, 96000, 176400, 192000 }; -static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 }; static const int rates_alsaid[] = { SNDRV_PCM_RATE_44100, SNDRV_PCM_RATE_48000, SNDRV_PCM_RATE_88200, SNDRV_PCM_RATE_96000, SNDRV_PCM_RATE_176400, SNDRV_PCM_RATE_192000 }; -/* values to write to soundcard register for all samplerates */ -static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01}; -static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00}; - enum { /* settings for pcm */ OUT_EP = 6, IN_EP = 2, MAX_BUFSIZE = 128 * 1024 }; @@ -48,15 +45,6 @@ enum { /* pcm streaming states */ STREAM_STOPPING }; -enum { /* pcm sample rates (also index into RATES_XXX[]) */ - RATE_44KHZ, - RATE_48KHZ, - RATE_88KHZ, - RATE_96KHZ, - RATE_176KHZ, - RATE_192KHZ -}; - static const struct snd_pcm_hardware pcm_hw = { .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | @@ -87,57 +75,34 @@ static const struct snd_pcm_hardware pcm_hw = { static int usb6fire_pcm_set_rate(struct pcm_runtime *rt) { int ret; - struct usb_device *device = rt->chip->dev; - struct comm_runtime *comm_rt = rt->chip->comm; + struct control_runtime *ctrl_rt = rt->chip->control; - if (rt->rate >= ARRAY_SIZE(rates)) - return -EINVAL; - /* disable streaming */ - ret = comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, 0x00); + ctrl_rt->usb_streaming = false; + ret = ctrl_rt->update_streaming(ctrl_rt); if (ret < 0) { snd_printk(KERN_ERR PREFIX "error stopping streaming while " "setting samplerate %d.\n", rates[rt->rate]); return ret; } - ret = usb_set_interface(device, 1, rates_altsetting[rt->rate]); - if (ret < 0) { - snd_printk(KERN_ERR PREFIX "error setting interface " - "altsetting %d for samplerate %d.\n", - rates_altsetting[rt->rate], rates[rt->rate]); - return ret; - } - - /* set soundcard clock */ - ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rt->rate], - rates_6fire_vh[rt->rate]); + ret = ctrl_rt->set_rate(ctrl_rt, rt->rate); if (ret < 0) { snd_printk(KERN_ERR PREFIX "error setting samplerate %d.\n", rates[rt->rate]); return ret; } - /* enable analog inputs and outputs - * (one bit per stereo-channel) */ - ret = comm_rt->write16(comm_rt, 0x02, 0x02, - (1 << (OUT_N_CHANNELS / 2)) - 1, - (1 << (IN_N_CHANNELS / 2)) - 1); + ret = ctrl_rt->set_channels(ctrl_rt, OUT_N_CHANNELS, IN_N_CHANNELS, + false, false); if (ret < 0) { - snd_printk(KERN_ERR PREFIX "error initializing analog channels " + snd_printk(KERN_ERR PREFIX "error initializing channels " "while setting samplerate %d.\n", rates[rt->rate]); return ret; } - /* disable digital inputs and outputs */ - ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00); - if (ret < 0) { - snd_printk(KERN_ERR PREFIX "error initializing digital " - "channels while setting samplerate %d.\n", - rates[rt->rate]); - return ret; - } - ret = comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, 0x01); + ctrl_rt->usb_streaming = true; + ret = ctrl_rt->update_streaming(ctrl_rt); if (ret < 0) { snd_printk(KERN_ERR PREFIX "error starting streaming while " "setting samplerate %d.\n", rates[rt->rate]); @@ -168,12 +133,15 @@ static struct pcm_substream *usb6fire_pcm_get_substream( static void usb6fire_pcm_stream_stop(struct pcm_runtime *rt) { int i; + struct control_runtime *ctrl_rt = rt->chip->control; if (rt->stream_state != STREAM_DISABLED) { for (i = 0; i < PCM_N_URBS; i++) { usb_kill_urb(&rt->in_urbs[i].instance); usb_kill_urb(&rt->out_urbs[i].instance); } + ctrl_rt->usb_streaming = false; + ctrl_rt->update_streaming(ctrl_rt); rt->stream_state = STREAM_DISABLED; } } |