diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/mixart/mixart.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/mixart/mixart.c | 1401 |
1 files changed, 0 insertions, 1401 deletions
diff --git a/ANDROID_3.4.5/sound/pci/mixart/mixart.c b/ANDROID_3.4.5/sound/pci/mixart/mixart.c deleted file mode 100644 index 487837c0..00000000 --- a/ANDROID_3.4.5/sound/pci/mixart/mixart.c +++ /dev/null @@ -1,1401 +0,0 @@ -/* - * Driver for Digigram miXart soundcards - * - * main file with alsa callbacks - * - * Copyright (c) 2003 by Digigram <alsa@digigram.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - - -#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 <alsa@digigram.com>"); -MODULE_DESCRIPTION("Digigram " CARD_NAME); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("{{Digigram," CARD_NAME "}}"); - -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 DEFINE_PCI_DEVICE_TABLE(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: - snd_printk(KERN_ERR "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) { - snd_printk(KERN_ERR "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) { - snd_printk(KERN_ERR "error MSG_STREAM_ST***_STREAM_GRP_PACKET err=%x stat=%x !\n", err, group_state_resp.txx_status); - return -EINVAL; - } - - if(start) { - u32 stat; - - 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) { - snd_printk(KERN_ERR "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) { - snd_printk(KERN_ERR "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; - default: - if(rate == 0) - return 0; /* nothing to do */ - else { - snd_printk(KERN_ERR "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; - - snd_printdd("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) { - snd_printk(KERN_ERR "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; - - snd_printdd("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)) { - snd_printk(KERN_ERR "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 ) { - snd_printk(KERN_ERR "mixart_set_clock(0) return error!\n"); - } - - /* stop the pipe */ - err = mixart_set_pipe_state(mgr, pipe, 0); - if( err < 0 ) { - snd_printk(KERN_ERR "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)) { - snd_printk(KERN_ERR "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: - - snd_printdd("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; - - snd_printdd("SNDRV_PCM_TRIGGER_STOP\n"); - - break; - - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - /* TODO */ - stream->status = MIXART_STREAM_STATUS_PAUSE; - snd_printdd("SNDRV_PCM_PAUSE_PUSH\n"); - break; - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - /* TODO */ - stream->status = MIXART_STREAM_STATUS_RUNNING; - snd_printdd("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)) { - snd_printk(KERN_ERR "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) */ - - snd_printdd("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: - snd_printk(KERN_ERR "error mixart_set_format() : unknown format\n"); - return -EINVAL; - } - - snd_printdd("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) { - snd_printk(KERN_ERR "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; - } - - /* allocate buffer */ - err = snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw)); - - if (err > 0) { - 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 */ - - snd_printdd("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 err; -} - -static int snd_mixart_hw_free(struct snd_pcm_substream *subs) -{ - struct snd_mixart *chip = snd_pcm_substream_chip(subs); - snd_pcm_lib_free_pages(subs); - mixart_sync_nonblock_events(chip->mgr); - return 0; -} - - - -/* - * TODO CONFIGURATION SPACE for all pcms, mono pcm must update channels_max - */ -static 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 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; - } - snd_printdd("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 */ - snd_printk(KERN_ERR "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 ) { - snd_printk(KERN_ERR "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 */ - - snd_printdd("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 */ - snd_printk(KERN_ERR "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 ) { - snd_printk(KERN_ERR "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); - - snd_printdd("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) { - - snd_printk(KERN_ERR "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 struct snd_pcm_ops snd_mixart_playback_ops = { - .open = snd_mixart_playback_open, - .close = snd_mixart_close, - .ioctl = snd_pcm_lib_ioctl, - .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 struct snd_pcm_ops snd_mixart_capture_ops = { - .open = snd_mixart_capture_open, - .close = snd_mixart_close, - .ioctl = snd_pcm_lib_ioctl, - .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_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data(chip->mgr->pci), 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); - if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG, - MIXART_PLAYBACK_STREAMS, - MIXART_CAPTURE_STREAMS, &pcm)) < 0) { - snd_printk(KERN_ERR "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; - 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); - if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, - MIXART_PLAYBACK_STREAMS, - MIXART_CAPTURE_STREAMS, &pcm)) < 0) { - snd_printk(KERN_ERR "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; - 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 __devinit snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int idx) -{ - int err; - struct snd_mixart *chip; - static struct snd_device_ops ops = { - .dev_free = snd_mixart_chip_dev_free, - }; - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (! chip) { - snd_printk(KERN_ERR "cannot allocate chip\n"); - return -ENOMEM; - } - - chip->card = card; - chip->chip_idx = idx; - chip->mgr = mgr; - - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { - snd_mixart_chip_free(chip); - return err; - } - - mgr->chip[idx] = chip; - snd_card_set_dev(card, &mgr->pci->dev); - - 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); - snd_printdd("reset miXart !\n"); - } - - /* release the i/o ports */ - for (i = 0; i < 2; i++) { - if (mgr->mem[i].virt) - 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 struct snd_info_entry_ops snd_mixart_proc_ops_BA0 = { - .read = snd_mixart_BA0_read, -}; - -static 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, "\tinterrups handling : %d\n\n", interr); - } - } /* endif elf loaded */ -} - -static void __devinit snd_mixart_proc_init(struct snd_mixart *chip) -{ - struct snd_info_entry *entry; - - /* text interface to read perf and temp meters */ - if (! snd_card_proc_new(chip->card, "board_info", &entry)) { - entry->private_data = chip; - entry->c.text.read = 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 __devinit 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 */ - if ((err = pci_enable_device(pci)) < 0) - return err; - pci_set_master(pci); - - /* check if we can restrict PCI DMA transfers to 32 bits */ - if (pci_set_dma_mask(pci, DMA_BIT_MASK(32)) < 0) { - snd_printk(KERN_ERR "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 */ - if ((err = pci_request_regions(pci, CARD_NAME)) < 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) { - printk(KERN_ERR "unable to remap resource 0x%lx\n", - mgr->mem[i].phys); - snd_mixart_free(mgr); - return -EBUSY; - } - } - - if (request_irq(pci->irq, snd_mixart_interrupt, IRQF_SHARED, - KBUILD_MODNAME, mgr)) { - snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); - snd_mixart_free(mgr); - return -EBUSY; - } - mgr->irq = pci->irq; - - sprintf(mgr->shortname, "Digigram miXart"); - sprintf(mgr->longname, "%s at 0x%lx & 0x%lx, irq %i", mgr->shortname, mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq); - - /* ISR spinlock */ - spin_lock_init(&mgr->lock); - - /* init mailbox */ - mgr->msg_fifo_readptr = 0; - mgr->msg_fifo_writeptr = 0; - - spin_lock_init(&mgr->msg_lock); - mutex_init(&mgr->msg_mutex); - init_waitqueue_head(&mgr->msg_sleep); - atomic_set(&mgr->msg_processed, 0); - - /* init setup mutex*/ - mutex_init(&mgr->setup_mutex); - - /* init message taslket */ - tasklet_init(&mgr->msg_taskq, snd_mixart_msg_tasklet, (unsigned long) mgr); - - /* 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_create(idx, tmpid, THIS_MODULE, 0, &card); - - if (err < 0) { - snd_printk(KERN_ERR "cannot allocate the card %d\n", i); - snd_mixart_free(mgr); - return err; - } - - strcpy(card->driver, CARD_NAME); - sprintf(card->shortname, "%s [PCM #%d]", mgr->shortname, i); - sprintf(card->longname, "%s [PCM #%d]", mgr->longname, i); - - if ((err = snd_mixart_create(mgr, card, i)) < 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]); - } - - if ((err = snd_card_register(card)) < 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, snd_dma_pci_data(pci), - 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, snd_dma_pci_data(pci), - 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 __devexit snd_mixart_remove(struct pci_dev *pci) -{ - snd_mixart_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); -} - -static struct pci_driver driver = { - .name = KBUILD_MODNAME, - .id_table = snd_mixart_ids, - .probe = snd_mixart_probe, - .remove = __devexit_p(snd_mixart_remove), -}; - -static int __init alsa_card_mixart_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_mixart_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_mixart_init) -module_exit(alsa_card_mixart_exit) |