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Diffstat (limited to 'sound/usb/6fire/pcm.c')
-rw-r--r--sound/usb/6fire/pcm.c97
1 files changed, 38 insertions, 59 deletions
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index ba62c7468ba8..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 |
@@ -64,7 +52,7 @@ static const struct snd_pcm_hardware pcm_hw = {
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_BATCH,
- .formats = SNDRV_PCM_FMTBIT_S24_LE,
+ .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE,
.rates = SNDRV_PCM_RATE_44100 |
SNDRV_PCM_RATE_48000 |
@@ -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;
}
}
@@ -228,7 +196,7 @@ static void usb6fire_pcm_capture(struct pcm_substream *sub, struct pcm_urb *urb)
unsigned int total_length = 0;
struct pcm_runtime *rt = snd_pcm_substream_chip(sub->instance);
struct snd_pcm_runtime *alsa_rt = sub->instance->runtime;
- u32 *src = (u32 *) urb->buffer;
+ u32 *src = NULL;
u32 *dest = (u32 *) (alsa_rt->dma_area + sub->dma_off
* (alsa_rt->frame_bits >> 3));
u32 *dest_end = (u32 *) (alsa_rt->dma_area + alsa_rt->buffer_size
@@ -244,7 +212,12 @@ static void usb6fire_pcm_capture(struct pcm_substream *sub, struct pcm_urb *urb)
else
frame_count = 0;
- src = (u32 *) (urb->buffer + total_length);
+ if (alsa_rt->format == SNDRV_PCM_FORMAT_S24_LE)
+ src = (u32 *) (urb->buffer + total_length);
+ else if (alsa_rt->format == SNDRV_PCM_FORMAT_S32_LE)
+ src = (u32 *) (urb->buffer - 1 + total_length);
+ else
+ return;
src++; /* skip leading 4 bytes of every packet */
total_length += urb->packets[i].length;
for (frame = 0; frame < frame_count; frame++) {
@@ -274,9 +247,18 @@ static void usb6fire_pcm_playback(struct pcm_substream *sub,
* (alsa_rt->frame_bits >> 3));
u32 *src_end = (u32 *) (alsa_rt->dma_area + alsa_rt->buffer_size
* (alsa_rt->frame_bits >> 3));
- u32 *dest = (u32 *) urb->buffer;
+ u32 *dest;
int bytes_per_frame = alsa_rt->channels << 2;
+ if (alsa_rt->format == SNDRV_PCM_FORMAT_S32_LE)
+ dest = (u32 *) (urb->buffer - 1);
+ else if (alsa_rt->format == SNDRV_PCM_FORMAT_S24_LE)
+ dest = (u32 *) (urb->buffer);
+ else {
+ snd_printk(KERN_ERR PREFIX "Unknown sample format.");
+ return;
+ }
+
for (i = 0; i < PCM_N_PACKETS_PER_URB; i++) {
/* at least 4 header bytes for valid packet.
* after that: 32 bits per sample for analog channels */
@@ -456,7 +438,7 @@ static int usb6fire_pcm_close(struct snd_pcm_substream *alsa_sub)
/* all substreams closed? if so, stop streaming */
if (!rt->playback.instance && !rt->capture.instance) {
usb6fire_pcm_stream_stop(rt);
- rt->rate = -1;
+ rt->rate = ARRAY_SIZE(rates);
}
}
mutex_unlock(&rt->stream_mutex);
@@ -480,7 +462,6 @@ static int usb6fire_pcm_prepare(struct snd_pcm_substream *alsa_sub)
struct pcm_runtime *rt = snd_pcm_substream_chip(alsa_sub);
struct pcm_substream *sub = usb6fire_pcm_get_substream(alsa_sub);
struct snd_pcm_runtime *alsa_rt = alsa_sub->runtime;
- int i;
int ret;
if (rt->panic)
@@ -493,12 +474,10 @@ static int usb6fire_pcm_prepare(struct snd_pcm_substream *alsa_sub)
sub->period_off = 0;
if (rt->stream_state == STREAM_DISABLED) {
- for (i = 0; i < ARRAY_SIZE(rates); i++)
- if (alsa_rt->rate == rates[i]) {
- rt->rate = i;
+ for (rt->rate = 0; rt->rate < ARRAY_SIZE(rates); rt->rate++)
+ if (alsa_rt->rate == rates[rt->rate])
break;
- }
- if (i == ARRAY_SIZE(rates)) {
+ if (rt->rate == ARRAY_SIZE(rates)) {
mutex_unlock(&rt->stream_mutex);
snd_printk("invalid rate %d in prepare.\n",
alsa_rt->rate);
@@ -613,7 +592,7 @@ int __devinit usb6fire_pcm_init(struct sfire_chip *chip)
rt->chip = chip;
rt->stream_state = STREAM_DISABLED;
- rt->rate = -1;
+ rt->rate = ARRAY_SIZE(rates);
init_waitqueue_head(&rt->stream_wait_queue);
mutex_init(&rt->stream_mutex);
generated by cgit (git 2.34.1) at 2024-05-17 11:17:51 +0000