| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jaroslav Kysela | 5918 | 88.94% | 18 | 30.51% |
| Takashi Iwai | 578 | 8.69% | 13 | 22.03% |
| Arnd Bergmann | 35 | 0.53% | 1 | 1.69% |
| Dan Carpenter | 16 | 0.24% | 2 | 3.39% |
| Al Viro | 16 | 0.24% | 2 | 3.39% |
| Julia Lawall | 16 | 0.24% | 2 | 3.39% |
| Ingo Molnar | 13 | 0.20% | 1 | 1.69% |
| Nishanth Aravamudan | 10 | 0.15% | 2 | 3.39% |
| Jiri Slaby | 8 | 0.12% | 1 | 1.69% |
| Linus Torvalds | 6 | 0.09% | 1 | 1.69% |
| Benoit Taine | 6 | 0.09% | 1 | 1.69% |
| Joe Perches | 5 | 0.08% | 1 | 1.69% |
| Yang Hongyang | 4 | 0.06% | 1 | 1.69% |
| Rusty Russell | 4 | 0.06% | 2 | 3.39% |
| Quentin Lambert | 4 | 0.06% | 1 | 1.69% |
| Tejun Heo | 3 | 0.05% | 1 | 1.69% |
| Tobias Klauser | 3 | 0.05% | 1 | 1.69% |
| Bhumika Goyal | 2 | 0.03% | 1 | 1.69% |
| Thomas Gleixner | 1 | 0.02% | 1 | 1.69% |
| Gustavo A. R. Silva | 1 | 0.02% | 1 | 1.69% |
| Paul Gortmaker | 1 | 0.02% | 1 | 1.69% |
| SF Markus Elfring | 1 | 0.02% | 1 | 1.69% |
| John Anthony Kazos Jr | 1 | 0.02% | 1 | 1.69% |
| Arjan van de Ven | 1 | 0.02% | 1 | 1.69% |
| Masanari Iida | 1 | 0.02% | 1 | 1.69% |
| Total | 6654 | 59 |
/* * 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 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; /* fall through */ 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; } /* 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 */ 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 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 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, .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 const 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) { 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); if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, MIXART_PLAYBACK_STREAMS, MIXART_CAPTURE_STREAMS, &pcm)) < 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 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; if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 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 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, "\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 */ 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 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 (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 */ 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) { 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); 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 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);
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