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>
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index 7ea6987..b137b25 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 @@
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 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 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;
}
}