mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1408 lines
38 KiB
1408 lines
38 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* Driver for Digigram miXart soundcards |
|
* |
|
* main file with alsa callbacks |
|
* |
|
* Copyright (c) 2003 by Digigram <[email protected]> |
|
*/ |
|
|
|
|
|
#include <linux/init.h> |
|
#include <linux/interrupt.h> |
|
#include <linux/pci.h> |
|
#include <linux/dma-mapping.h> |
|
#include <linux/module.h> |
|
#include <linux/mutex.h> |
|
#include <linux/slab.h> |
|
|
|
#include <sound/core.h> |
|
#include <sound/initval.h> |
|
#include <sound/info.h> |
|
#include <sound/control.h> |
|
#include <sound/pcm.h> |
|
#include <sound/pcm_params.h> |
|
#include "mixart.h" |
|
#include "mixart_hwdep.h" |
|
#include "mixart_core.h" |
|
#include "mixart_mixer.h" |
|
|
|
#define CARD_NAME "miXart" |
|
|
|
MODULE_AUTHOR("Digigram <[email protected]>"); |
|
MODULE_DESCRIPTION("Digigram " CARD_NAME); |
|
MODULE_LICENSE("GPL"); |
|
|
|
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
|
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
|
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ |
|
|
|
module_param_array(index, int, NULL, 0444); |
|
MODULE_PARM_DESC(index, "Index value for Digigram " CARD_NAME " soundcard."); |
|
module_param_array(id, charp, NULL, 0444); |
|
MODULE_PARM_DESC(id, "ID string for Digigram " CARD_NAME " soundcard."); |
|
module_param_array(enable, bool, NULL, 0444); |
|
MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard."); |
|
|
|
/* |
|
*/ |
|
|
|
static const struct pci_device_id snd_mixart_ids[] = { |
|
{ PCI_VDEVICE(MOTOROLA, 0x0003), 0, }, /* MC8240 */ |
|
{ 0, } |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(pci, snd_mixart_ids); |
|
|
|
|
|
static int mixart_set_pipe_state(struct mixart_mgr *mgr, |
|
struct mixart_pipe *pipe, int start) |
|
{ |
|
struct mixart_group_state_req group_state; |
|
struct mixart_group_state_resp group_state_resp; |
|
struct mixart_msg request; |
|
int err; |
|
u32 system_msg_uid; |
|
|
|
switch(pipe->status) { |
|
case PIPE_RUNNING: |
|
case PIPE_CLOCK_SET: |
|
if(start) return 0; /* already started */ |
|
break; |
|
case PIPE_STOPPED: |
|
if(!start) return 0; /* already stopped */ |
|
break; |
|
default: |
|
dev_err(&mgr->pci->dev, |
|
"error mixart_set_pipe_state called with wrong pipe->status!\n"); |
|
return -EINVAL; /* function called with wrong pipe status */ |
|
} |
|
|
|
system_msg_uid = 0x12345678; /* the event ! (take care: the MSB and two LSB's have to be 0) */ |
|
|
|
/* wait on the last MSG_SYSTEM_SEND_SYNCHRO_CMD command to be really finished */ |
|
|
|
request.message_id = MSG_SYSTEM_WAIT_SYNCHRO_CMD; |
|
request.uid = (struct mixart_uid){0,0}; |
|
request.data = &system_msg_uid; |
|
request.size = sizeof(system_msg_uid); |
|
|
|
err = snd_mixart_send_msg_wait_notif(mgr, &request, system_msg_uid); |
|
if(err) { |
|
dev_err(&mgr->pci->dev, |
|
"error : MSG_SYSTEM_WAIT_SYNCHRO_CMD was not notified !\n"); |
|
return err; |
|
} |
|
|
|
/* start or stop the pipe (1 pipe) */ |
|
|
|
memset(&group_state, 0, sizeof(group_state)); |
|
group_state.pipe_count = 1; |
|
group_state.pipe_uid[0] = pipe->group_uid; |
|
|
|
if(start) |
|
request.message_id = MSG_STREAM_START_STREAM_GRP_PACKET; |
|
else |
|
request.message_id = MSG_STREAM_STOP_STREAM_GRP_PACKET; |
|
|
|
request.uid = pipe->group_uid; /*(struct mixart_uid){0,0};*/ |
|
request.data = &group_state; |
|
request.size = sizeof(group_state); |
|
|
|
err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp); |
|
if (err < 0 || group_state_resp.txx_status != 0) { |
|
dev_err(&mgr->pci->dev, |
|
"error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", |
|
err, group_state_resp.txx_status); |
|
return -EINVAL; |
|
} |
|
|
|
if(start) { |
|
u32 stat = 0; |
|
|
|
group_state.pipe_count = 0; /* in case of start same command once again with pipe_count=0 */ |
|
|
|
err = snd_mixart_send_msg(mgr, &request, sizeof(group_state_resp), &group_state_resp); |
|
if (err < 0 || group_state_resp.txx_status != 0) { |
|
dev_err(&mgr->pci->dev, |
|
"error MSG_STREAM_START_STREAM_GRP_PACKET err=%x stat=%x !\n", |
|
err, group_state_resp.txx_status); |
|
return -EINVAL; |
|
} |
|
|
|
/* in case of start send a synchro top */ |
|
|
|
request.message_id = MSG_SYSTEM_SEND_SYNCHRO_CMD; |
|
request.uid = (struct mixart_uid){0,0}; |
|
request.data = NULL; |
|
request.size = 0; |
|
|
|
err = snd_mixart_send_msg(mgr, &request, sizeof(stat), &stat); |
|
if (err < 0 || stat != 0) { |
|
dev_err(&mgr->pci->dev, |
|
"error MSG_SYSTEM_SEND_SYNCHRO_CMD err=%x stat=%x !\n", |
|
err, stat); |
|
return -EINVAL; |
|
} |
|
|
|
pipe->status = PIPE_RUNNING; |
|
} |
|
else /* !start */ |
|
pipe->status = PIPE_STOPPED; |
|
|
|
return 0; |
|
} |
|
|
|
|
|
static int mixart_set_clock(struct mixart_mgr *mgr, |
|
struct mixart_pipe *pipe, unsigned int rate) |
|
{ |
|
struct mixart_msg request; |
|
struct mixart_clock_properties clock_properties; |
|
struct mixart_clock_properties_resp clock_prop_resp; |
|
int err; |
|
|
|
switch(pipe->status) { |
|
case PIPE_CLOCK_SET: |
|
break; |
|
case PIPE_RUNNING: |
|
if(rate != 0) |
|
break; |
|
fallthrough; |
|
default: |
|
if(rate == 0) |
|
return 0; /* nothing to do */ |
|
else { |
|
dev_err(&mgr->pci->dev, |
|
"error mixart_set_clock(%d) called with wrong pipe->status !\n", |
|
rate); |
|
return -EINVAL; |
|
} |
|
} |
|
|
|
memset(&clock_properties, 0, sizeof(clock_properties)); |
|
clock_properties.clock_generic_type = (rate != 0) ? CGT_INTERNAL_CLOCK : CGT_NO_CLOCK; |
|
clock_properties.clock_mode = CM_STANDALONE; |
|
clock_properties.frequency = rate; |
|
clock_properties.nb_callers = 1; /* only one entry in uid_caller ! */ |
|
clock_properties.uid_caller[0] = pipe->group_uid; |
|
|
|
dev_dbg(&mgr->pci->dev, "mixart_set_clock to %d kHz\n", rate); |
|
|
|
request.message_id = MSG_CLOCK_SET_PROPERTIES; |
|
request.uid = mgr->uid_console_manager; |
|
request.data = &clock_properties; |
|
request.size = sizeof(clock_properties); |
|
|
|
err = snd_mixart_send_msg(mgr, &request, sizeof(clock_prop_resp), &clock_prop_resp); |
|
if (err < 0 || clock_prop_resp.status != 0 || clock_prop_resp.clock_mode != CM_STANDALONE) { |
|
dev_err(&mgr->pci->dev, |
|
"error MSG_CLOCK_SET_PROPERTIES err=%x stat=%x mod=%x !\n", |
|
err, clock_prop_resp.status, clock_prop_resp.clock_mode); |
|
return -EINVAL; |
|
} |
|
|
|
if(rate) pipe->status = PIPE_CLOCK_SET; |
|
else pipe->status = PIPE_RUNNING; |
|
|
|
return 0; |
|
} |
|
|
|
|
|
/* |
|
* Allocate or reference output pipe for analog IOs (pcmp0/1) |
|
*/ |
|
struct mixart_pipe * |
|
snd_mixart_add_ref_pipe(struct snd_mixart *chip, int pcm_number, int capture, |
|
int monitoring) |
|
{ |
|
int stream_count; |
|
struct mixart_pipe *pipe; |
|
struct mixart_msg request; |
|
|
|
if(capture) { |
|
if (pcm_number == MIXART_PCM_ANALOG) { |
|
pipe = &(chip->pipe_in_ana); /* analog inputs */ |
|
} else { |
|
pipe = &(chip->pipe_in_dig); /* digital inputs */ |
|
} |
|
request.message_id = MSG_STREAM_ADD_OUTPUT_GROUP; |
|
stream_count = MIXART_CAPTURE_STREAMS; |
|
} else { |
|
if (pcm_number == MIXART_PCM_ANALOG) { |
|
pipe = &(chip->pipe_out_ana); /* analog outputs */ |
|
} else { |
|
pipe = &(chip->pipe_out_dig); /* digital outputs */ |
|
} |
|
request.message_id = MSG_STREAM_ADD_INPUT_GROUP; |
|
stream_count = MIXART_PLAYBACK_STREAMS; |
|
} |
|
|
|
/* a new stream is opened and there are already all streams in use */ |
|
if( (monitoring == 0) && (pipe->references >= stream_count) ) { |
|
return NULL; |
|
} |
|
|
|
/* pipe is not yet defined */ |
|
if( pipe->status == PIPE_UNDEFINED ) { |
|
int err, i; |
|
struct { |
|
struct mixart_streaming_group_req sgroup_req; |
|
struct mixart_streaming_group sgroup_resp; |
|
} *buf; |
|
|
|
dev_dbg(chip->card->dev, |
|
"add_ref_pipe audio chip(%d) pcm(%d)\n", |
|
chip->chip_idx, pcm_number); |
|
|
|
buf = kmalloc(sizeof(*buf), GFP_KERNEL); |
|
if (!buf) |
|
return NULL; |
|
|
|
request.uid = (struct mixart_uid){0,0}; /* should be StreamManagerUID, but zero is OK if there is only one ! */ |
|
request.data = &buf->sgroup_req; |
|
request.size = sizeof(buf->sgroup_req); |
|
|
|
memset(&buf->sgroup_req, 0, sizeof(buf->sgroup_req)); |
|
|
|
buf->sgroup_req.stream_count = stream_count; |
|
buf->sgroup_req.channel_count = 2; |
|
buf->sgroup_req.latency = 256; |
|
buf->sgroup_req.connector = pipe->uid_left_connector; /* the left connector */ |
|
|
|
for (i=0; i<stream_count; i++) { |
|
int j; |
|
struct mixart_flowinfo *flowinfo; |
|
struct mixart_bufferinfo *bufferinfo; |
|
|
|
/* we don't yet know the format, so config 16 bit pcm audio for instance */ |
|
buf->sgroup_req.stream_info[i].size_max_byte_frame = 1024; |
|
buf->sgroup_req.stream_info[i].size_max_sample_frame = 256; |
|
buf->sgroup_req.stream_info[i].nb_bytes_max_per_sample = MIXART_FLOAT_P__4_0_TO_HEX; /* is 4.0f */ |
|
|
|
/* find the right bufferinfo_array */ |
|
j = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (pcm_number * (MIXART_PLAYBACK_STREAMS + MIXART_CAPTURE_STREAMS)) + i; |
|
if(capture) j += MIXART_PLAYBACK_STREAMS; /* in the array capture is behind playback */ |
|
|
|
buf->sgroup_req.flow_entry[i] = j; |
|
|
|
flowinfo = (struct mixart_flowinfo *)chip->mgr->flowinfo.area; |
|
flowinfo[j].bufferinfo_array_phy_address = (u32)chip->mgr->bufferinfo.addr + (j * sizeof(struct mixart_bufferinfo)); |
|
flowinfo[j].bufferinfo_count = 1; /* 1 will set the miXart to ring-buffer mode ! */ |
|
|
|
bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; |
|
bufferinfo[j].buffer_address = 0; /* buffer is not yet allocated */ |
|
bufferinfo[j].available_length = 0; /* buffer is not yet allocated */ |
|
|
|
/* construct the identifier of the stream buffer received in the interrupts ! */ |
|
bufferinfo[j].buffer_id = (chip->chip_idx << MIXART_NOTIFY_CARD_OFFSET) + (pcm_number << MIXART_NOTIFY_PCM_OFFSET ) + i; |
|
if(capture) { |
|
bufferinfo[j].buffer_id |= MIXART_NOTIFY_CAPT_MASK; |
|
} |
|
} |
|
|
|
err = snd_mixart_send_msg(chip->mgr, &request, sizeof(buf->sgroup_resp), &buf->sgroup_resp); |
|
if((err < 0) || (buf->sgroup_resp.status != 0)) { |
|
dev_err(chip->card->dev, |
|
"error MSG_STREAM_ADD_**PUT_GROUP err=%x stat=%x !\n", |
|
err, buf->sgroup_resp.status); |
|
kfree(buf); |
|
return NULL; |
|
} |
|
|
|
pipe->group_uid = buf->sgroup_resp.group; /* id of the pipe, as returned by embedded */ |
|
pipe->stream_count = buf->sgroup_resp.stream_count; |
|
/* pipe->stream_uid[i] = buf->sgroup_resp.stream[i].stream_uid; */ |
|
|
|
pipe->status = PIPE_STOPPED; |
|
kfree(buf); |
|
} |
|
|
|
if(monitoring) pipe->monitoring = 1; |
|
else pipe->references++; |
|
|
|
return pipe; |
|
} |
|
|
|
|
|
int snd_mixart_kill_ref_pipe(struct mixart_mgr *mgr, |
|
struct mixart_pipe *pipe, int monitoring) |
|
{ |
|
int err = 0; |
|
|
|
if(pipe->status == PIPE_UNDEFINED) |
|
return 0; |
|
|
|
if(monitoring) |
|
pipe->monitoring = 0; |
|
else |
|
pipe->references--; |
|
|
|
if((pipe->references <= 0) && (pipe->monitoring == 0)) { |
|
|
|
struct mixart_msg request; |
|
struct mixart_delete_group_resp delete_resp; |
|
|
|
/* release the clock */ |
|
err = mixart_set_clock( mgr, pipe, 0); |
|
if( err < 0 ) { |
|
dev_err(&mgr->pci->dev, |
|
"mixart_set_clock(0) return error!\n"); |
|
} |
|
|
|
/* stop the pipe */ |
|
err = mixart_set_pipe_state(mgr, pipe, 0); |
|
if( err < 0 ) { |
|
dev_err(&mgr->pci->dev, "error stopping pipe!\n"); |
|
} |
|
|
|
request.message_id = MSG_STREAM_DELETE_GROUP; |
|
request.uid = (struct mixart_uid){0,0}; |
|
request.data = &pipe->group_uid; /* the streaming group ! */ |
|
request.size = sizeof(pipe->group_uid); |
|
|
|
/* delete the pipe */ |
|
err = snd_mixart_send_msg(mgr, &request, sizeof(delete_resp), &delete_resp); |
|
if ((err < 0) || (delete_resp.status != 0)) { |
|
dev_err(&mgr->pci->dev, |
|
"error MSG_STREAM_DELETE_GROUP err(%x), status(%x)\n", |
|
err, delete_resp.status); |
|
} |
|
|
|
pipe->group_uid = (struct mixart_uid){0,0}; |
|
pipe->stream_count = 0; |
|
pipe->status = PIPE_UNDEFINED; |
|
} |
|
|
|
return err; |
|
} |
|
|
|
static int mixart_set_stream_state(struct mixart_stream *stream, int start) |
|
{ |
|
struct snd_mixart *chip; |
|
struct mixart_stream_state_req stream_state_req; |
|
struct mixart_msg request; |
|
|
|
if(!stream->substream) |
|
return -EINVAL; |
|
|
|
memset(&stream_state_req, 0, sizeof(stream_state_req)); |
|
stream_state_req.stream_count = 1; |
|
stream_state_req.stream_info.stream_desc.uid_pipe = stream->pipe->group_uid; |
|
stream_state_req.stream_info.stream_desc.stream_idx = stream->substream->number; |
|
|
|
if (stream->substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
|
request.message_id = start ? MSG_STREAM_START_INPUT_STAGE_PACKET : MSG_STREAM_STOP_INPUT_STAGE_PACKET; |
|
else |
|
request.message_id = start ? MSG_STREAM_START_OUTPUT_STAGE_PACKET : MSG_STREAM_STOP_OUTPUT_STAGE_PACKET; |
|
|
|
request.uid = (struct mixart_uid){0,0}; |
|
request.data = &stream_state_req; |
|
request.size = sizeof(stream_state_req); |
|
|
|
stream->abs_period_elapsed = 0; /* reset stream pos */ |
|
stream->buf_periods = 0; |
|
stream->buf_period_frag = 0; |
|
|
|
chip = snd_pcm_substream_chip(stream->substream); |
|
|
|
return snd_mixart_send_msg_nonblock(chip->mgr, &request); |
|
} |
|
|
|
/* |
|
* Trigger callback |
|
*/ |
|
|
|
static int snd_mixart_trigger(struct snd_pcm_substream *subs, int cmd) |
|
{ |
|
struct mixart_stream *stream = subs->runtime->private_data; |
|
|
|
switch (cmd) { |
|
case SNDRV_PCM_TRIGGER_START: |
|
|
|
dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_TRIGGER_START\n"); |
|
|
|
/* START_STREAM */ |
|
if( mixart_set_stream_state(stream, 1) ) |
|
return -EINVAL; |
|
|
|
stream->status = MIXART_STREAM_STATUS_RUNNING; |
|
|
|
break; |
|
case SNDRV_PCM_TRIGGER_STOP: |
|
|
|
/* STOP_STREAM */ |
|
if( mixart_set_stream_state(stream, 0) ) |
|
return -EINVAL; |
|
|
|
stream->status = MIXART_STREAM_STATUS_OPEN; |
|
|
|
dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_TRIGGER_STOP\n"); |
|
|
|
break; |
|
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
|
/* TODO */ |
|
stream->status = MIXART_STREAM_STATUS_PAUSE; |
|
dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_PAUSE_PUSH\n"); |
|
break; |
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
|
/* TODO */ |
|
stream->status = MIXART_STREAM_STATUS_RUNNING; |
|
dev_dbg(subs->pcm->card->dev, "SNDRV_PCM_PAUSE_RELEASE\n"); |
|
break; |
|
default: |
|
return -EINVAL; |
|
} |
|
return 0; |
|
} |
|
|
|
static int mixart_sync_nonblock_events(struct mixart_mgr *mgr) |
|
{ |
|
unsigned long timeout = jiffies + HZ; |
|
while (atomic_read(&mgr->msg_processed) > 0) { |
|
if (time_after(jiffies, timeout)) { |
|
dev_err(&mgr->pci->dev, |
|
"mixart: cannot process nonblock events!\n"); |
|
return -EBUSY; |
|
} |
|
schedule_timeout_uninterruptible(1); |
|
} |
|
return 0; |
|
} |
|
|
|
/* |
|
* prepare callback for all pcms |
|
*/ |
|
static int snd_mixart_prepare(struct snd_pcm_substream *subs) |
|
{ |
|
struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
|
struct mixart_stream *stream = subs->runtime->private_data; |
|
|
|
/* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */ |
|
|
|
dev_dbg(chip->card->dev, "snd_mixart_prepare\n"); |
|
|
|
mixart_sync_nonblock_events(chip->mgr); |
|
|
|
/* only the first stream can choose the sample rate */ |
|
/* the further opened streams will be limited to its frequency (see open) */ |
|
if(chip->mgr->ref_count_rate == 1) |
|
chip->mgr->sample_rate = subs->runtime->rate; |
|
|
|
/* set the clock only once (first stream) on the same pipe */ |
|
if(stream->pipe->references == 1) { |
|
if( mixart_set_clock(chip->mgr, stream->pipe, subs->runtime->rate) ) |
|
return -EINVAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
|
|
static int mixart_set_format(struct mixart_stream *stream, snd_pcm_format_t format) |
|
{ |
|
int err; |
|
struct snd_mixart *chip; |
|
struct mixart_msg request; |
|
struct mixart_stream_param_desc stream_param; |
|
struct mixart_return_uid resp; |
|
|
|
chip = snd_pcm_substream_chip(stream->substream); |
|
|
|
memset(&stream_param, 0, sizeof(stream_param)); |
|
|
|
stream_param.coding_type = CT_LINEAR; |
|
stream_param.number_of_channel = stream->channels; |
|
|
|
stream_param.sampling_freq = chip->mgr->sample_rate; |
|
if(stream_param.sampling_freq == 0) |
|
stream_param.sampling_freq = 44100; /* if frequency not yet defined, use some default */ |
|
|
|
switch(format){ |
|
case SNDRV_PCM_FORMAT_U8: |
|
stream_param.sample_type = ST_INTEGER_8; |
|
stream_param.sample_size = 8; |
|
break; |
|
case SNDRV_PCM_FORMAT_S16_LE: |
|
stream_param.sample_type = ST_INTEGER_16LE; |
|
stream_param.sample_size = 16; |
|
break; |
|
case SNDRV_PCM_FORMAT_S16_BE: |
|
stream_param.sample_type = ST_INTEGER_16BE; |
|
stream_param.sample_size = 16; |
|
break; |
|
case SNDRV_PCM_FORMAT_S24_3LE: |
|
stream_param.sample_type = ST_INTEGER_24LE; |
|
stream_param.sample_size = 24; |
|
break; |
|
case SNDRV_PCM_FORMAT_S24_3BE: |
|
stream_param.sample_type = ST_INTEGER_24BE; |
|
stream_param.sample_size = 24; |
|
break; |
|
case SNDRV_PCM_FORMAT_FLOAT_LE: |
|
stream_param.sample_type = ST_FLOATING_POINT_32LE; |
|
stream_param.sample_size = 32; |
|
break; |
|
case SNDRV_PCM_FORMAT_FLOAT_BE: |
|
stream_param.sample_type = ST_FLOATING_POINT_32BE; |
|
stream_param.sample_size = 32; |
|
break; |
|
default: |
|
dev_err(chip->card->dev, |
|
"error mixart_set_format() : unknown format\n"); |
|
return -EINVAL; |
|
} |
|
|
|
dev_dbg(chip->card->dev, |
|
"set SNDRV_PCM_FORMAT sample_type(%d) sample_size(%d) freq(%d) channels(%d)\n", |
|
stream_param.sample_type, stream_param.sample_size, stream_param.sampling_freq, stream->channels); |
|
|
|
/* TODO: what else to configure ? */ |
|
/* stream_param.samples_per_frame = 2; */ |
|
/* stream_param.bytes_per_frame = 4; */ |
|
/* stream_param.bytes_per_sample = 2; */ |
|
|
|
stream_param.pipe_count = 1; /* set to 1 */ |
|
stream_param.stream_count = 1; /* set to 1 */ |
|
stream_param.stream_desc[0].uid_pipe = stream->pipe->group_uid; |
|
stream_param.stream_desc[0].stream_idx = stream->substream->number; |
|
|
|
request.message_id = MSG_STREAM_SET_INPUT_STAGE_PARAM; |
|
request.uid = (struct mixart_uid){0,0}; |
|
request.data = &stream_param; |
|
request.size = sizeof(stream_param); |
|
|
|
err = snd_mixart_send_msg(chip->mgr, &request, sizeof(resp), &resp); |
|
if((err < 0) || resp.error_code) { |
|
dev_err(chip->card->dev, |
|
"MSG_STREAM_SET_INPUT_STAGE_PARAM err=%x; resp=%x\n", |
|
err, resp.error_code); |
|
return -EINVAL; |
|
} |
|
return 0; |
|
} |
|
|
|
|
|
/* |
|
* HW_PARAMS callback for all pcms |
|
*/ |
|
static int snd_mixart_hw_params(struct snd_pcm_substream *subs, |
|
struct snd_pcm_hw_params *hw) |
|
{ |
|
struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
|
struct mixart_mgr *mgr = chip->mgr; |
|
struct mixart_stream *stream = subs->runtime->private_data; |
|
snd_pcm_format_t format; |
|
int err; |
|
int channels; |
|
|
|
/* set up channels */ |
|
channels = params_channels(hw); |
|
|
|
/* set up format for the stream */ |
|
format = params_format(hw); |
|
|
|
mutex_lock(&mgr->setup_mutex); |
|
|
|
/* update the stream levels */ |
|
if( stream->pcm_number <= MIXART_PCM_DIGITAL ) { |
|
int is_aes = stream->pcm_number > MIXART_PCM_ANALOG; |
|
if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) |
|
mixart_update_playback_stream_level(chip, is_aes, subs->number); |
|
else |
|
mixart_update_capture_stream_level( chip, is_aes); |
|
} |
|
|
|
stream->channels = channels; |
|
|
|
/* set the format to the board */ |
|
err = mixart_set_format(stream, format); |
|
if(err < 0) { |
|
mutex_unlock(&mgr->setup_mutex); |
|
return err; |
|
} |
|
|
|
if (subs->runtime->buffer_changed) { |
|
struct mixart_bufferinfo *bufferinfo; |
|
int i = (chip->chip_idx * MIXART_MAX_STREAM_PER_CARD) + (stream->pcm_number * (MIXART_PLAYBACK_STREAMS+MIXART_CAPTURE_STREAMS)) + subs->number; |
|
if( subs->stream == SNDRV_PCM_STREAM_CAPTURE ) { |
|
i += MIXART_PLAYBACK_STREAMS; /* in array capture is behind playback */ |
|
} |
|
|
|
bufferinfo = (struct mixart_bufferinfo *)chip->mgr->bufferinfo.area; |
|
bufferinfo[i].buffer_address = subs->runtime->dma_addr; |
|
bufferinfo[i].available_length = subs->runtime->dma_bytes; |
|
/* bufferinfo[i].buffer_id is already defined */ |
|
|
|
dev_dbg(chip->card->dev, |
|
"snd_mixart_hw_params(pcm %d) : dma_addr(%x) dma_bytes(%x) subs-number(%d)\n", |
|
i, bufferinfo[i].buffer_address, |
|
bufferinfo[i].available_length, |
|
subs->number); |
|
} |
|
mutex_unlock(&mgr->setup_mutex); |
|
|
|
return 0; |
|
} |
|
|
|
static int snd_mixart_hw_free(struct snd_pcm_substream *subs) |
|
{ |
|
struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
|
mixart_sync_nonblock_events(chip->mgr); |
|
return 0; |
|
} |
|
|
|
|
|
|
|
/* |
|
* TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max |
|
*/ |
|
static const struct snd_pcm_hardware snd_mixart_analog_caps = |
|
{ |
|
.info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
|
SNDRV_PCM_INFO_MMAP_VALID | |
|
SNDRV_PCM_INFO_PAUSE), |
|
.formats = ( SNDRV_PCM_FMTBIT_U8 | |
|
SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | |
|
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | |
|
SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), |
|
.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, |
|
.rate_min = 8000, |
|
.rate_max = 48000, |
|
.channels_min = 1, |
|
.channels_max = 2, |
|
.buffer_bytes_max = (32*1024), |
|
.period_bytes_min = 256, /* 256 frames U8 mono*/ |
|
.period_bytes_max = (16*1024), |
|
.periods_min = 2, |
|
.periods_max = (32*1024/256), |
|
}; |
|
|
|
static const struct snd_pcm_hardware snd_mixart_digital_caps = |
|
{ |
|
.info = ( SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
|
SNDRV_PCM_INFO_MMAP_VALID | |
|
SNDRV_PCM_INFO_PAUSE), |
|
.formats = ( SNDRV_PCM_FMTBIT_U8 | |
|
SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | |
|
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_3BE | |
|
SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE ), |
|
.rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, |
|
.rate_min = 32000, |
|
.rate_max = 48000, |
|
.channels_min = 1, |
|
.channels_max = 2, |
|
.buffer_bytes_max = (32*1024), |
|
.period_bytes_min = 256, /* 256 frames U8 mono*/ |
|
.period_bytes_max = (16*1024), |
|
.periods_min = 2, |
|
.periods_max = (32*1024/256), |
|
}; |
|
|
|
|
|
static int snd_mixart_playback_open(struct snd_pcm_substream *subs) |
|
{ |
|
struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
|
struct mixart_mgr *mgr = chip->mgr; |
|
struct snd_pcm_runtime *runtime = subs->runtime; |
|
struct snd_pcm *pcm = subs->pcm; |
|
struct mixart_stream *stream; |
|
struct mixart_pipe *pipe; |
|
int err = 0; |
|
int pcm_number; |
|
|
|
mutex_lock(&mgr->setup_mutex); |
|
|
|
if ( pcm == chip->pcm ) { |
|
pcm_number = MIXART_PCM_ANALOG; |
|
runtime->hw = snd_mixart_analog_caps; |
|
} else { |
|
snd_BUG_ON(pcm != chip->pcm_dig); |
|
pcm_number = MIXART_PCM_DIGITAL; |
|
runtime->hw = snd_mixart_digital_caps; |
|
} |
|
dev_dbg(chip->card->dev, |
|
"snd_mixart_playback_open C%d/P%d/Sub%d\n", |
|
chip->chip_idx, pcm_number, subs->number); |
|
|
|
/* get stream info */ |
|
stream = &(chip->playback_stream[pcm_number][subs->number]); |
|
|
|
if (stream->status != MIXART_STREAM_STATUS_FREE){ |
|
/* streams in use */ |
|
dev_err(chip->card->dev, |
|
"snd_mixart_playback_open C%d/P%d/Sub%d in use\n", |
|
chip->chip_idx, pcm_number, subs->number); |
|
err = -EBUSY; |
|
goto _exit_open; |
|
} |
|
|
|
/* get pipe pointer (out pipe) */ |
|
pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 0, 0); |
|
|
|
if (pipe == NULL) { |
|
err = -EINVAL; |
|
goto _exit_open; |
|
} |
|
|
|
/* start the pipe if necessary */ |
|
err = mixart_set_pipe_state(chip->mgr, pipe, 1); |
|
if( err < 0 ) { |
|
dev_err(chip->card->dev, "error starting pipe!\n"); |
|
snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); |
|
err = -EINVAL; |
|
goto _exit_open; |
|
} |
|
|
|
stream->pipe = pipe; |
|
stream->pcm_number = pcm_number; |
|
stream->status = MIXART_STREAM_STATUS_OPEN; |
|
stream->substream = subs; |
|
stream->channels = 0; /* not configured yet */ |
|
|
|
runtime->private_data = stream; |
|
|
|
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); |
|
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); |
|
|
|
/* if a sample rate is already used, another stream cannot change */ |
|
if(mgr->ref_count_rate++) { |
|
if(mgr->sample_rate) { |
|
runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; |
|
} |
|
} |
|
|
|
_exit_open: |
|
mutex_unlock(&mgr->setup_mutex); |
|
|
|
return err; |
|
} |
|
|
|
|
|
static int snd_mixart_capture_open(struct snd_pcm_substream *subs) |
|
{ |
|
struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
|
struct mixart_mgr *mgr = chip->mgr; |
|
struct snd_pcm_runtime *runtime = subs->runtime; |
|
struct snd_pcm *pcm = subs->pcm; |
|
struct mixart_stream *stream; |
|
struct mixart_pipe *pipe; |
|
int err = 0; |
|
int pcm_number; |
|
|
|
mutex_lock(&mgr->setup_mutex); |
|
|
|
if ( pcm == chip->pcm ) { |
|
pcm_number = MIXART_PCM_ANALOG; |
|
runtime->hw = snd_mixart_analog_caps; |
|
} else { |
|
snd_BUG_ON(pcm != chip->pcm_dig); |
|
pcm_number = MIXART_PCM_DIGITAL; |
|
runtime->hw = snd_mixart_digital_caps; |
|
} |
|
|
|
runtime->hw.channels_min = 2; /* for instance, no mono */ |
|
|
|
dev_dbg(chip->card->dev, "snd_mixart_capture_open C%d/P%d/Sub%d\n", |
|
chip->chip_idx, pcm_number, subs->number); |
|
|
|
/* get stream info */ |
|
stream = &(chip->capture_stream[pcm_number]); |
|
|
|
if (stream->status != MIXART_STREAM_STATUS_FREE){ |
|
/* streams in use */ |
|
dev_err(chip->card->dev, |
|
"snd_mixart_capture_open C%d/P%d/Sub%d in use\n", |
|
chip->chip_idx, pcm_number, subs->number); |
|
err = -EBUSY; |
|
goto _exit_open; |
|
} |
|
|
|
/* get pipe pointer (in pipe) */ |
|
pipe = snd_mixart_add_ref_pipe(chip, pcm_number, 1, 0); |
|
|
|
if (pipe == NULL) { |
|
err = -EINVAL; |
|
goto _exit_open; |
|
} |
|
|
|
/* start the pipe if necessary */ |
|
err = mixart_set_pipe_state(chip->mgr, pipe, 1); |
|
if( err < 0 ) { |
|
dev_err(chip->card->dev, "error starting pipe!\n"); |
|
snd_mixart_kill_ref_pipe(chip->mgr, pipe, 0); |
|
err = -EINVAL; |
|
goto _exit_open; |
|
} |
|
|
|
stream->pipe = pipe; |
|
stream->pcm_number = pcm_number; |
|
stream->status = MIXART_STREAM_STATUS_OPEN; |
|
stream->substream = subs; |
|
stream->channels = 0; /* not configured yet */ |
|
|
|
runtime->private_data = stream; |
|
|
|
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); |
|
snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 64); |
|
|
|
/* if a sample rate is already used, another stream cannot change */ |
|
if(mgr->ref_count_rate++) { |
|
if(mgr->sample_rate) { |
|
runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate; |
|
} |
|
} |
|
|
|
_exit_open: |
|
mutex_unlock(&mgr->setup_mutex); |
|
|
|
return err; |
|
} |
|
|
|
|
|
|
|
static int snd_mixart_close(struct snd_pcm_substream *subs) |
|
{ |
|
struct snd_mixart *chip = snd_pcm_substream_chip(subs); |
|
struct mixart_mgr *mgr = chip->mgr; |
|
struct mixart_stream *stream = subs->runtime->private_data; |
|
|
|
mutex_lock(&mgr->setup_mutex); |
|
|
|
dev_dbg(chip->card->dev, "snd_mixart_close C%d/P%d/Sub%d\n", |
|
chip->chip_idx, stream->pcm_number, subs->number); |
|
|
|
/* sample rate released */ |
|
if(--mgr->ref_count_rate == 0) { |
|
mgr->sample_rate = 0; |
|
} |
|
|
|
/* delete pipe */ |
|
if (snd_mixart_kill_ref_pipe(mgr, stream->pipe, 0 ) < 0) { |
|
|
|
dev_err(chip->card->dev, |
|
"error snd_mixart_kill_ref_pipe C%dP%d\n", |
|
chip->chip_idx, stream->pcm_number); |
|
} |
|
|
|
stream->pipe = NULL; |
|
stream->status = MIXART_STREAM_STATUS_FREE; |
|
stream->substream = NULL; |
|
|
|
mutex_unlock(&mgr->setup_mutex); |
|
return 0; |
|
} |
|
|
|
|
|
static snd_pcm_uframes_t snd_mixart_stream_pointer(struct snd_pcm_substream *subs) |
|
{ |
|
struct snd_pcm_runtime *runtime = subs->runtime; |
|
struct mixart_stream *stream = runtime->private_data; |
|
|
|
return (snd_pcm_uframes_t)((stream->buf_periods * runtime->period_size) + stream->buf_period_frag); |
|
} |
|
|
|
|
|
|
|
static const struct snd_pcm_ops snd_mixart_playback_ops = { |
|
.open = snd_mixart_playback_open, |
|
.close = snd_mixart_close, |
|
.prepare = snd_mixart_prepare, |
|
.hw_params = snd_mixart_hw_params, |
|
.hw_free = snd_mixart_hw_free, |
|
.trigger = snd_mixart_trigger, |
|
.pointer = snd_mixart_stream_pointer, |
|
}; |
|
|
|
static const struct snd_pcm_ops snd_mixart_capture_ops = { |
|
.open = snd_mixart_capture_open, |
|
.close = snd_mixart_close, |
|
.prepare = snd_mixart_prepare, |
|
.hw_params = snd_mixart_hw_params, |
|
.hw_free = snd_mixart_hw_free, |
|
.trigger = snd_mixart_trigger, |
|
.pointer = snd_mixart_stream_pointer, |
|
}; |
|
|
|
static void preallocate_buffers(struct snd_mixart *chip, struct snd_pcm *pcm) |
|
{ |
|
#if 0 |
|
struct snd_pcm_substream *subs; |
|
int stream; |
|
|
|
for (stream = 0; stream < 2; stream++) { |
|
int idx = 0; |
|
for (subs = pcm->streams[stream].substream; subs; subs = subs->next, idx++) |
|
/* set up the unique device id with the chip index */ |
|
subs->dma_device.id = subs->pcm->device << 16 | |
|
subs->stream << 8 | (subs->number + 1) | |
|
(chip->chip_idx + 1) << 24; |
|
} |
|
#endif |
|
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, |
|
&chip->mgr->pci->dev, |
|
32*1024, 32*1024); |
|
} |
|
|
|
/* |
|
*/ |
|
static int snd_mixart_pcm_analog(struct snd_mixart *chip) |
|
{ |
|
int err; |
|
struct snd_pcm *pcm; |
|
char name[32]; |
|
|
|
sprintf(name, "miXart analog %d", chip->chip_idx); |
|
err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG, |
|
MIXART_PLAYBACK_STREAMS, |
|
MIXART_CAPTURE_STREAMS, &pcm); |
|
if (err < 0) { |
|
dev_err(chip->card->dev, |
|
"cannot create the analog pcm %d\n", chip->chip_idx); |
|
return err; |
|
} |
|
|
|
pcm->private_data = chip; |
|
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); |
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); |
|
|
|
pcm->info_flags = 0; |
|
pcm->nonatomic = true; |
|
strcpy(pcm->name, name); |
|
|
|
preallocate_buffers(chip, pcm); |
|
|
|
chip->pcm = pcm; |
|
return 0; |
|
} |
|
|
|
|
|
/* |
|
*/ |
|
static int snd_mixart_pcm_digital(struct snd_mixart *chip) |
|
{ |
|
int err; |
|
struct snd_pcm *pcm; |
|
char name[32]; |
|
|
|
sprintf(name, "miXart AES/EBU %d", chip->chip_idx); |
|
err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, |
|
MIXART_PLAYBACK_STREAMS, |
|
MIXART_CAPTURE_STREAMS, &pcm); |
|
if (err < 0) { |
|
dev_err(chip->card->dev, |
|
"cannot create the digital pcm %d\n", chip->chip_idx); |
|
return err; |
|
} |
|
|
|
pcm->private_data = chip; |
|
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_mixart_playback_ops); |
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_mixart_capture_ops); |
|
|
|
pcm->info_flags = 0; |
|
pcm->nonatomic = true; |
|
strcpy(pcm->name, name); |
|
|
|
preallocate_buffers(chip, pcm); |
|
|
|
chip->pcm_dig = pcm; |
|
return 0; |
|
} |
|
|
|
static int snd_mixart_chip_free(struct snd_mixart *chip) |
|
{ |
|
kfree(chip); |
|
return 0; |
|
} |
|
|
|
static int snd_mixart_chip_dev_free(struct snd_device *device) |
|
{ |
|
struct snd_mixart *chip = device->device_data; |
|
return snd_mixart_chip_free(chip); |
|
} |
|
|
|
|
|
/* |
|
*/ |
|
static int snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx) |
|
{ |
|
int err; |
|
struct snd_mixart *chip; |
|
static const struct snd_device_ops ops = { |
|
.dev_free = snd_mixart_chip_dev_free, |
|
}; |
|
|
|
chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
|
if (!chip) |
|
return -ENOMEM; |
|
|
|
chip->card = card; |
|
chip->chip_idx = idx; |
|
chip->mgr = mgr; |
|
card->sync_irq = mgr->irq; |
|
|
|
err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); |
|
if (err < 0) { |
|
snd_mixart_chip_free(chip); |
|
return err; |
|
} |
|
|
|
mgr->chip[idx] = chip; |
|
return 0; |
|
} |
|
|
|
int snd_mixart_create_pcm(struct snd_mixart* chip) |
|
{ |
|
int err; |
|
|
|
err = snd_mixart_pcm_analog(chip); |
|
if (err < 0) |
|
return err; |
|
|
|
if(chip->mgr->board_type == MIXART_DAUGHTER_TYPE_AES) { |
|
|
|
err = snd_mixart_pcm_digital(chip); |
|
if (err < 0) |
|
return err; |
|
} |
|
return err; |
|
} |
|
|
|
|
|
/* |
|
* release all the cards assigned to a manager instance |
|
*/ |
|
static int snd_mixart_free(struct mixart_mgr *mgr) |
|
{ |
|
unsigned int i; |
|
|
|
for (i = 0; i < mgr->num_cards; i++) { |
|
if (mgr->chip[i]) |
|
snd_card_free(mgr->chip[i]->card); |
|
} |
|
|
|
/* stop mailbox */ |
|
snd_mixart_exit_mailbox(mgr); |
|
|
|
/* release irq */ |
|
if (mgr->irq >= 0) |
|
free_irq(mgr->irq, mgr); |
|
|
|
/* reset board if some firmware was loaded */ |
|
if(mgr->dsp_loaded) { |
|
snd_mixart_reset_board(mgr); |
|
dev_dbg(&mgr->pci->dev, "reset miXart !\n"); |
|
} |
|
|
|
/* release the i/o ports */ |
|
for (i = 0; i < 2; ++i) |
|
iounmap(mgr->mem[i].virt); |
|
|
|
pci_release_regions(mgr->pci); |
|
|
|
/* free flowarray */ |
|
if(mgr->flowinfo.area) { |
|
snd_dma_free_pages(&mgr->flowinfo); |
|
mgr->flowinfo.area = NULL; |
|
} |
|
/* free bufferarray */ |
|
if(mgr->bufferinfo.area) { |
|
snd_dma_free_pages(&mgr->bufferinfo); |
|
mgr->bufferinfo.area = NULL; |
|
} |
|
|
|
pci_disable_device(mgr->pci); |
|
kfree(mgr); |
|
return 0; |
|
} |
|
|
|
/* |
|
* proc interface |
|
*/ |
|
|
|
/* |
|
mixart_BA0 proc interface for BAR 0 - read callback |
|
*/ |
|
static ssize_t snd_mixart_BA0_read(struct snd_info_entry *entry, |
|
void *file_private_data, |
|
struct file *file, char __user *buf, |
|
size_t count, loff_t pos) |
|
{ |
|
struct mixart_mgr *mgr = entry->private_data; |
|
|
|
count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ |
|
if (copy_to_user_fromio(buf, MIXART_MEM(mgr, pos), count)) |
|
return -EFAULT; |
|
return count; |
|
} |
|
|
|
/* |
|
mixart_BA1 proc interface for BAR 1 - read callback |
|
*/ |
|
static ssize_t snd_mixart_BA1_read(struct snd_info_entry *entry, |
|
void *file_private_data, |
|
struct file *file, char __user *buf, |
|
size_t count, loff_t pos) |
|
{ |
|
struct mixart_mgr *mgr = entry->private_data; |
|
|
|
count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ |
|
if (copy_to_user_fromio(buf, MIXART_REG(mgr, pos), count)) |
|
return -EFAULT; |
|
return count; |
|
} |
|
|
|
static const struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = { |
|
.read = snd_mixart_BA0_read, |
|
}; |
|
|
|
static const struct snd_info_entry_ops snd_mixart_proc_ops_BA1 = { |
|
.read = snd_mixart_BA1_read, |
|
}; |
|
|
|
|
|
static void snd_mixart_proc_read(struct snd_info_entry *entry, |
|
struct snd_info_buffer *buffer) |
|
{ |
|
struct snd_mixart *chip = entry->private_data; |
|
u32 ref; |
|
|
|
snd_iprintf(buffer, "Digigram miXart (alsa card %d)\n\n", chip->chip_idx); |
|
|
|
/* stats available when embedded OS is running */ |
|
if (chip->mgr->dsp_loaded & ( 1 << MIXART_MOTHERBOARD_ELF_INDEX)) { |
|
snd_iprintf(buffer, "- hardware -\n"); |
|
switch (chip->mgr->board_type ) { |
|
case MIXART_DAUGHTER_TYPE_NONE : snd_iprintf(buffer, "\tmiXart8 (no daughter board)\n\n"); break; |
|
case MIXART_DAUGHTER_TYPE_AES : snd_iprintf(buffer, "\tmiXart8 AES/EBU\n\n"); break; |
|
case MIXART_DAUGHTER_TYPE_COBRANET : snd_iprintf(buffer, "\tmiXart8 Cobranet\n\n"); break; |
|
default: snd_iprintf(buffer, "\tUNKNOWN!\n\n"); break; |
|
} |
|
|
|
snd_iprintf(buffer, "- system load -\n"); |
|
|
|
/* get perf reference */ |
|
|
|
ref = readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_SYSTEM_LOAD_OFFSET)); |
|
|
|
if (ref) { |
|
u32 mailbox = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_MAILBX_LOAD_OFFSET)) / ref; |
|
u32 streaming = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_STREAM_LOAD_OFFSET)) / ref; |
|
u32 interr = 100 * readl_be( MIXART_MEM( chip->mgr, MIXART_PSEUDOREG_PERF_INTERR_LOAD_OFFSET)) / ref; |
|
|
|
snd_iprintf(buffer, "\tstreaming : %d\n", streaming); |
|
snd_iprintf(buffer, "\tmailbox : %d\n", mailbox); |
|
snd_iprintf(buffer, "\tinterrupts handling : %d\n\n", interr); |
|
} |
|
} /* endif elf loaded */ |
|
} |
|
|
|
static void snd_mixart_proc_init(struct snd_mixart *chip) |
|
{ |
|
struct snd_info_entry *entry; |
|
|
|
/* text interface to read perf and temp meters */ |
|
snd_card_ro_proc_new(chip->card, "board_info", chip, |
|
snd_mixart_proc_read); |
|
|
|
if (! snd_card_proc_new(chip->card, "mixart_BA0", &entry)) { |
|
entry->content = SNDRV_INFO_CONTENT_DATA; |
|
entry->private_data = chip->mgr; |
|
entry->c.ops = &snd_mixart_proc_ops_BA0; |
|
entry->size = MIXART_BA0_SIZE; |
|
} |
|
if (! snd_card_proc_new(chip->card, "mixart_BA1", &entry)) { |
|
entry->content = SNDRV_INFO_CONTENT_DATA; |
|
entry->private_data = chip->mgr; |
|
entry->c.ops = &snd_mixart_proc_ops_BA1; |
|
entry->size = MIXART_BA1_SIZE; |
|
} |
|
} |
|
/* end of proc interface */ |
|
|
|
|
|
/* |
|
* probe function - creates the card manager |
|
*/ |
|
static int snd_mixart_probe(struct pci_dev *pci, |
|
const struct pci_device_id *pci_id) |
|
{ |
|
static int dev; |
|
struct mixart_mgr *mgr; |
|
unsigned int i; |
|
int err; |
|
size_t size; |
|
|
|
/* |
|
*/ |
|
if (dev >= SNDRV_CARDS) |
|
return -ENODEV; |
|
if (! enable[dev]) { |
|
dev++; |
|
return -ENOENT; |
|
} |
|
|
|
/* enable PCI device */ |
|
err = pci_enable_device(pci); |
|
if (err < 0) |
|
return err; |
|
pci_set_master(pci); |
|
|
|
/* check if we can restrict PCI DMA transfers to 32 bits */ |
|
if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) { |
|
dev_err(&pci->dev, |
|
"architecture does not support 32bit PCI busmaster DMA\n"); |
|
pci_disable_device(pci); |
|
return -ENXIO; |
|
} |
|
|
|
/* |
|
*/ |
|
mgr = kzalloc(sizeof(*mgr), GFP_KERNEL); |
|
if (! mgr) { |
|
pci_disable_device(pci); |
|
return -ENOMEM; |
|
} |
|
|
|
mgr->pci = pci; |
|
mgr->irq = -1; |
|
|
|
/* resource assignment */ |
|
err = pci_request_regions(pci, CARD_NAME); |
|
if (err < 0) { |
|
kfree(mgr); |
|
pci_disable_device(pci); |
|
return err; |
|
} |
|
for (i = 0; i < 2; i++) { |
|
mgr->mem[i].phys = pci_resource_start(pci, i); |
|
mgr->mem[i].virt = pci_ioremap_bar(pci, i); |
|
if (!mgr->mem[i].virt) { |
|
dev_err(&pci->dev, "unable to remap resource 0x%lx\n", |
|
mgr->mem[i].phys); |
|
snd_mixart_free(mgr); |
|
return -EBUSY; |
|
} |
|
} |
|
|
|
if (request_threaded_irq(pci->irq, snd_mixart_interrupt, |
|
snd_mixart_threaded_irq, IRQF_SHARED, |
|
KBUILD_MODNAME, mgr)) { |
|
dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq); |
|
snd_mixart_free(mgr); |
|
return -EBUSY; |
|
} |
|
mgr->irq = pci->irq; |
|
|
|
/* init mailbox */ |
|
mgr->msg_fifo_readptr = 0; |
|
mgr->msg_fifo_writeptr = 0; |
|
|
|
mutex_init(&mgr->lock); |
|
mutex_init(&mgr->msg_lock); |
|
init_waitqueue_head(&mgr->msg_sleep); |
|
atomic_set(&mgr->msg_processed, 0); |
|
|
|
/* init setup mutex*/ |
|
mutex_init(&mgr->setup_mutex); |
|
|
|
/* card assignment */ |
|
mgr->num_cards = MIXART_MAX_CARDS; /* 4 FIXME: configurable? */ |
|
for (i = 0; i < mgr->num_cards; i++) { |
|
struct snd_card *card; |
|
char tmpid[16]; |
|
int idx; |
|
|
|
if (index[dev] < 0) |
|
idx = index[dev]; |
|
else |
|
idx = index[dev] + i; |
|
snprintf(tmpid, sizeof(tmpid), "%s-%d", id[dev] ? id[dev] : "MIXART", i); |
|
err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE, |
|
0, &card); |
|
|
|
if (err < 0) { |
|
dev_err(&pci->dev, "cannot allocate the card %d\n", i); |
|
snd_mixart_free(mgr); |
|
return err; |
|
} |
|
|
|
strcpy(card->driver, CARD_NAME); |
|
snprintf(card->shortname, sizeof(card->shortname), |
|
"Digigram miXart [PCM #%d]", i); |
|
snprintf(card->longname, sizeof(card->longname), |
|
"Digigram miXart at 0x%lx & 0x%lx, irq %i [PCM #%d]", |
|
mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq, i); |
|
|
|
err = snd_mixart_create(mgr, card, i); |
|
if (err < 0) { |
|
snd_card_free(card); |
|
snd_mixart_free(mgr); |
|
return err; |
|
} |
|
|
|
if(i==0) { |
|
/* init proc interface only for chip0 */ |
|
snd_mixart_proc_init(mgr->chip[i]); |
|
} |
|
|
|
err = snd_card_register(card); |
|
if (err < 0) { |
|
snd_mixart_free(mgr); |
|
return err; |
|
} |
|
} |
|
|
|
/* init firmware status (mgr->dsp_loaded reset in hwdep_new) */ |
|
mgr->board_type = MIXART_DAUGHTER_TYPE_NONE; |
|
|
|
/* create array of streaminfo */ |
|
size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * |
|
sizeof(struct mixart_flowinfo)) ); |
|
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev, |
|
size, &mgr->flowinfo) < 0) { |
|
snd_mixart_free(mgr); |
|
return -ENOMEM; |
|
} |
|
/* init streaminfo_array */ |
|
memset(mgr->flowinfo.area, 0, size); |
|
|
|
/* create array of bufferinfo */ |
|
size = PAGE_ALIGN( (MIXART_MAX_STREAM_PER_CARD * MIXART_MAX_CARDS * |
|
sizeof(struct mixart_bufferinfo)) ); |
|
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev, |
|
size, &mgr->bufferinfo) < 0) { |
|
snd_mixart_free(mgr); |
|
return -ENOMEM; |
|
} |
|
/* init bufferinfo_array */ |
|
memset(mgr->bufferinfo.area, 0, size); |
|
|
|
/* set up firmware */ |
|
err = snd_mixart_setup_firmware(mgr); |
|
if (err < 0) { |
|
snd_mixart_free(mgr); |
|
return err; |
|
} |
|
|
|
pci_set_drvdata(pci, mgr); |
|
dev++; |
|
return 0; |
|
} |
|
|
|
static void snd_mixart_remove(struct pci_dev *pci) |
|
{ |
|
snd_mixart_free(pci_get_drvdata(pci)); |
|
} |
|
|
|
static struct pci_driver mixart_driver = { |
|
.name = KBUILD_MODNAME, |
|
.id_table = snd_mixart_ids, |
|
.probe = snd_mixart_probe, |
|
.remove = snd_mixart_remove, |
|
}; |
|
|
|
module_pci_driver(mixart_driver);
|
|
|