/* Copyright (c) 2009-2012, The Linux Foundation. All rights reserved. * * Based on the mp3 native driver in arch/arm/mach-msm/qdsp5v2/audio_mp3.c * * Copyright (C) 2008 Google, Inc. * Copyright (C) 2008 HTC Corporation * * All source code in this file is licensed under the following license except * where indicated. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * 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, you can find it at http://www.fsf.org */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Size must be power of 2 */ #define BUFSZ_MAX 4110 /* Includes meta in size */ #define BUFSZ_MIN 2062 /* Includes meta in size */ #define DMASZ_MAX (BUFSZ_MAX * 2) #define DMASZ_MIN (BUFSZ_MIN * 2) #define AUDPLAY_INVALID_READ_PTR_OFFSET 0xFFFF #define AUDDEC_DEC_WMAPRO 13 #define PCM_BUFSZ_MIN 8216 /* Hold one stereo WMAPRO frame and meta out*/ #define PCM_BUF_MAX_COUNT 5 /* DSP only accepts 5 buffers at most but support 2 buffers currently */ #define ROUTING_MODE_FTRT 1 #define ROUTING_MODE_RT 2 /* Decoder status received from AUDPPTASK */ #define AUDPP_DEC_STATUS_SLEEP 0 #define AUDPP_DEC_STATUS_INIT 1 #define AUDPP_DEC_STATUS_CFG 2 #define AUDPP_DEC_STATUS_PLAY 3 #define AUDWMAPRO_METAFIELD_MASK 0xFFFF0000 #define AUDWMAPRO_EOS_FLG_OFFSET 0x0A /* Offset from beginning of buffer */ #define AUDWMAPRO_EOS_FLG_MASK 0x01 #define AUDWMAPRO_EOS_NONE 0x0 /* No EOS detected */ #define AUDWMAPRO_EOS_SET 0x1 /* EOS set in meta field */ #define AUDWMAPRO_EVENT_NUM 10 /* Default no. of pre-allocated event packets */ struct buffer { void *data; unsigned size; unsigned used; /* Input usage actual DSP produced PCM size */ unsigned addr; unsigned short mfield_sz; /*only useful for data has meta field */ }; #ifdef CONFIG_HAS_EARLYSUSPEND struct audwmapro_suspend_ctl { struct early_suspend node; struct audio *audio; }; #endif struct audwmapro_event{ struct list_head list; int event_type; union msm_audio_event_payload payload; }; struct audio { struct buffer out[2]; spinlock_t dsp_lock; uint8_t out_head; uint8_t out_tail; uint8_t out_needed; /* number of buffers the dsp is waiting for */ unsigned out_dma_sz; atomic_t out_bytes; struct mutex lock; struct mutex write_lock; wait_queue_head_t write_wait; /* Host PCM section */ struct buffer in[PCM_BUF_MAX_COUNT]; struct mutex read_lock; wait_queue_head_t read_wait; /* Wait queue for read */ char *read_data; /* pointer to reader buffer */ int32_t read_phys; /* physical address of reader buffer */ uint8_t read_next; /* index to input buffers to be read next */ uint8_t fill_next; /* index to buffer that DSP should be filling */ uint8_t pcm_buf_count; /* number of pcm buffer allocated */ /* ---- End of Host PCM section */ struct msm_adsp_module *audplay; /* configuration to use on next enable */ uint32_t out_sample_rate; uint32_t out_channel_mode; struct msm_audio_wmapro_config wmapro_config; /* data allocated for various buffers */ char *data; int32_t phys; /* physical address of write buffer */ void *map_v_read; void *map_v_write; int mfield; /* meta field embedded in data */ int rflush; /* Read flush */ int wflush; /* Write flush */ int opened; int enabled; int running; int stopped; /* set when stopped, cleared on flush */ int pcm_feedback; int buf_refresh; int teos; /* valid only if tunnel mode & no data left for decoder */ enum msm_aud_decoder_state dec_state; /* Represents decoder state */ int reserved; /* A byte is being reserved */ char rsv_byte; /* Handle odd length user data */ const char *module_name; unsigned queue_id; uint16_t dec_id; uint32_t read_ptr_offset; int16_t source; #ifdef CONFIG_HAS_EARLYSUSPEND struct audwmapro_suspend_ctl suspend_ctl; #endif #ifdef CONFIG_DEBUG_FS struct dentry *dentry; #endif wait_queue_head_t wait; struct list_head free_event_queue; struct list_head event_queue; wait_queue_head_t event_wait; spinlock_t event_queue_lock; struct mutex get_event_lock; int event_abort; /* AV sync Info */ int avsync_flag; /* Flag to indicate feedback from DSP */ wait_queue_head_t avsync_wait;/* Wait queue for AV Sync Message */ /* flags, 48 bits sample/bytes counter per channel */ uint16_t avsync[AUDPP_AVSYNC_CH_COUNT * AUDPP_AVSYNC_NUM_WORDS + 1]; uint32_t device_events; int eq_enable; int eq_needs_commit; struct audpp_cmd_cfg_object_params_eqalizer eq; struct audpp_cmd_cfg_object_params_volume vol_pan; }; static int auddec_dsp_config(struct audio *audio, int enable); static void audpp_cmd_cfg_adec_params(struct audio *audio); static void audpp_cmd_cfg_routing_mode(struct audio *audio); static void audplay_send_data(struct audio *audio, unsigned needed); static void audplay_config_hostpcm(struct audio *audio); static void audplay_buffer_refresh(struct audio *audio); static void audio_dsp_event(void *private, unsigned id, uint16_t *msg); #ifdef CONFIG_HAS_EARLYSUSPEND static void audwmapro_post_event(struct audio *audio, int type, union msm_audio_event_payload payload); #endif /* must be called with audio->lock held */ static int audio_enable(struct audio *audio) { MM_DBG("\n"); /* Macro prints the file name and function */ if (audio->enabled) return 0; audio->dec_state = MSM_AUD_DECODER_STATE_NONE; audio->out_tail = 0; audio->out_needed = 0; if (msm_adsp_enable(audio->audplay)) { MM_ERR("msm_adsp_enable(audplay) failed\n"); return -ENODEV; } if (audpp_enable(audio->dec_id, audio_dsp_event, audio)) { MM_ERR("audpp_enable() failed\n"); msm_adsp_disable(audio->audplay); return -ENODEV; } audio->enabled = 1; return 0; } static void wmapro_listner(u32 evt_id, union auddev_evt_data *evt_payload, void *private_data) { struct audio *audio = (struct audio *) private_data; switch (evt_id) { case AUDDEV_EVT_DEV_RDY: MM_DBG(":AUDDEV_EVT_DEV_RDY\n"); audio->source |= (0x1 << evt_payload->routing_id); if (audio->running == 1 && audio->enabled == 1) audpp_route_stream(audio->dec_id, audio->source); break; case AUDDEV_EVT_DEV_RLS: MM_DBG(":AUDDEV_EVT_DEV_RLS\n"); audio->source &= ~(0x1 << evt_payload->routing_id); if (audio->running == 1 && audio->enabled == 1) audpp_route_stream(audio->dec_id, audio->source); break; case AUDDEV_EVT_STREAM_VOL_CHG: audio->vol_pan.volume = evt_payload->session_vol; MM_DBG(":AUDDEV_EVT_STREAM_VOL_CHG, stream vol %d\n", audio->vol_pan.volume); if (audio->running) audpp_dsp_set_vol_pan(audio->dec_id, &audio->vol_pan, POPP); break; default: MM_ERR(":ERROR:wrong event\n"); break; } } /* must be called with audio->lock held */ static int audio_disable(struct audio *audio) { int rc = 0; MM_DBG("\n"); /* Macro prints the file name and function */ if (audio->enabled) { audio->enabled = 0; audio->dec_state = MSM_AUD_DECODER_STATE_NONE; auddec_dsp_config(audio, 0); rc = wait_event_interruptible_timeout(audio->wait, audio->dec_state != MSM_AUD_DECODER_STATE_NONE, msecs_to_jiffies(MSM_AUD_DECODER_WAIT_MS)); if (rc == 0) rc = -ETIMEDOUT; else if (audio->dec_state != MSM_AUD_DECODER_STATE_CLOSE) rc = -EFAULT; else rc = 0; wake_up(&audio->write_wait); wake_up(&audio->read_wait); msm_adsp_disable(audio->audplay); audpp_disable(audio->dec_id, audio); audio->out_needed = 0; } return rc; } /* ------------------- dsp --------------------- */ static void audio_update_pcm_buf_entry(struct audio *audio, uint32_t *payload) { uint8_t index; unsigned long flags; if (audio->rflush) return; spin_lock_irqsave(&audio->dsp_lock, flags); for (index = 0; index < payload[1]; index++) { if (audio->in[audio->fill_next].addr == payload[2 + index * 2]) { MM_DBG("audio_update_pcm_buf_entry: \ in[%d] ready\n", audio->fill_next); audio->in[audio->fill_next].used = payload[3 + index * 2]; if ((++audio->fill_next) == audio->pcm_buf_count) audio->fill_next = 0; } else { MM_ERR("audio_update_pcm_buf_entry: \ expected=%x ret=%x\n", audio->in[audio->fill_next].addr, payload[1 + index * 2]); break; } } if (audio->in[audio->fill_next].used == 0) { audplay_buffer_refresh(audio); } else { MM_DBG("read cannot keep up\n"); audio->buf_refresh = 1; } wake_up(&audio->read_wait); spin_unlock_irqrestore(&audio->dsp_lock, flags); } static void audplay_dsp_event(void *data, unsigned id, size_t len, void (*getevent) (void *ptr, size_t len)) { struct audio *audio = data; uint32_t msg[28]; getevent(msg, sizeof(msg)); MM_DBG("msg_id=%x\n", id); switch (id) { case AUDPLAY_MSG_DEC_NEEDS_DATA: audplay_send_data(audio, 1); break; case AUDPLAY_MSG_BUFFER_UPDATE: audio_update_pcm_buf_entry(audio, msg); break; case ADSP_MESSAGE_ID: MM_DBG("Received ADSP event: module enable(audplaytask)\n"); break; default: MM_ERR("unexpected message from decoder \n"); break; } } static void audio_dsp_event(void *private, unsigned id, uint16_t *msg) { struct audio *audio = private; switch (id) { case AUDPP_MSG_STATUS_MSG:{ unsigned status = msg[1]; switch (status) { case AUDPP_DEC_STATUS_SLEEP: { uint16_t reason = msg[2]; MM_DBG("decoder status:sleep reason = \ 0x%04x\n", reason); if ((reason == AUDPP_MSG_REASON_MEM) || (reason == AUDPP_MSG_REASON_NODECODER)) { audio->dec_state = MSM_AUD_DECODER_STATE_FAILURE; wake_up(&audio->wait); } else if (reason == AUDPP_MSG_REASON_NONE) { /* decoder is in disable state */ audio->dec_state = MSM_AUD_DECODER_STATE_CLOSE; wake_up(&audio->wait); } break; } case AUDPP_DEC_STATUS_INIT: MM_DBG("decoder status: init\n"); if (audio->pcm_feedback) audpp_cmd_cfg_routing_mode(audio); else audpp_cmd_cfg_adec_params(audio); break; case AUDPP_DEC_STATUS_CFG: MM_DBG("decoder status: cfg\n"); break; case AUDPP_DEC_STATUS_PLAY: MM_DBG("decoder status: play \n"); audpp_route_stream(audio->dec_id, audio->source); if (audio->pcm_feedback) { audplay_config_hostpcm(audio); audplay_buffer_refresh(audio); } audio->dec_state = MSM_AUD_DECODER_STATE_SUCCESS; wake_up(&audio->wait); break; default: MM_ERR("unknown decoder status\n"); } break; } case AUDPP_MSG_CFG_MSG: if (msg[0] == AUDPP_MSG_ENA_ENA) { MM_DBG("CFG_MSG ENABLE\n"); auddec_dsp_config(audio, 1); audio->out_needed = 0; audio->running = 1; audpp_dsp_set_vol_pan(audio->dec_id, &audio->vol_pan, POPP); audpp_dsp_set_eq(audio->dec_id, audio->eq_enable, &audio->eq, POPP); } else if (msg[0] == AUDPP_MSG_ENA_DIS) { MM_DBG("CFG_MSG DISABLE\n"); audio->running = 0; } else { MM_DBG("CFG_MSG %d?\n", msg[0]); } break; case AUDPP_MSG_ROUTING_ACK: MM_DBG("ROUTING_ACK mode=%d\n", msg[1]); audpp_cmd_cfg_adec_params(audio); break; case AUDPP_MSG_FLUSH_ACK: MM_DBG("FLUSH_ACK\n"); audio->wflush = 0; audio->rflush = 0; wake_up(&audio->write_wait); if (audio->pcm_feedback) audplay_buffer_refresh(audio); break; case AUDPP_MSG_PCMDMAMISSED: MM_DBG("PCMDMAMISSED\n"); audio->teos = 1; wake_up(&audio->write_wait); break; case AUDPP_MSG_AVSYNC_MSG: MM_DBG("AUDPP_MSG_AVSYNC_MSG\n"); memcpy(&audio->avsync[0], msg, sizeof(audio->avsync)); audio->avsync_flag = 1; wake_up(&audio->avsync_wait); break; default: MM_ERR("UNKNOWN (%d)\n", id); } } static struct msm_adsp_ops audplay_adsp_ops_wmapro = { .event = audplay_dsp_event, }; #define audplay_send_queue0(audio, cmd, len) \ msm_adsp_write(audio->audplay, audio->queue_id, \ cmd, len) static int auddec_dsp_config(struct audio *audio, int enable) { struct audpp_cmd_cfg_dec_type cfg_dec_cmd; memset(&cfg_dec_cmd, 0, sizeof(cfg_dec_cmd)); cfg_dec_cmd.cmd_id = AUDPP_CMD_CFG_DEC_TYPE; if (enable) cfg_dec_cmd.dec_cfg = AUDPP_CMD_UPDATDE_CFG_DEC | AUDPP_CMD_ENA_DEC_V | AUDDEC_DEC_WMAPRO; else cfg_dec_cmd.dec_cfg = AUDPP_CMD_UPDATDE_CFG_DEC | AUDPP_CMD_DIS_DEC_V; cfg_dec_cmd.dm_mode = 0x0; cfg_dec_cmd.stream_id = audio->dec_id; return audpp_send_queue1(&cfg_dec_cmd, sizeof(cfg_dec_cmd)); } static void audpp_cmd_cfg_adec_params(struct audio *audio) { struct audpp_cmd_cfg_adec_params_wmapro cmd; memset(&cmd, 0, sizeof(cmd)); cmd.common.cmd_id = AUDPP_CMD_CFG_ADEC_PARAMS; cmd.common.length = AUDPP_CMD_CFG_ADEC_PARAMS_WMAPRO_LEN; cmd.common.dec_id = audio->dec_id; cmd.common.input_sampling_frequency = audio->out_sample_rate; /* * Test done for sample with the following configuration * armdatareqthr = 1262 * channelsdecoded = 1(MONO)/2(STEREO) * wmaprobytespersec = Tested with 6003 Bytes per sec * wmaprosamplingfreq = 44100 * wmaproencoderopts = 31 */ cmd.armdatareqthr = audio->wmapro_config.armdatareqthr; cmd.numchannels = audio->wmapro_config.numchannels; cmd.validbitspersample = audio->wmapro_config.validbitspersample; cmd.formattag = audio->wmapro_config.formattag; cmd.samplingrate = audio->wmapro_config.samplingrate; cmd.avgbytespersecond = audio->wmapro_config.avgbytespersecond; cmd.asfpacketlength = audio->wmapro_config.asfpacketlength; cmd.channelmask = audio->wmapro_config.channelmask; cmd.encodeopt = audio->wmapro_config.encodeopt; cmd.advancedencodeopt = audio->wmapro_config.advancedencodeopt; cmd.advancedencodeopt2 = audio->wmapro_config.advancedencodeopt2; audpp_send_queue2(&cmd, sizeof(cmd)); } static void audpp_cmd_cfg_routing_mode(struct audio *audio) { struct audpp_cmd_routing_mode cmd; MM_DBG("\n"); /* Macro prints the file name and function */ memset(&cmd, 0, sizeof(cmd)); cmd.cmd_id = AUDPP_CMD_ROUTING_MODE; cmd.object_number = audio->dec_id; if (audio->pcm_feedback) cmd.routing_mode = ROUTING_MODE_FTRT; else cmd.routing_mode = ROUTING_MODE_RT; audpp_send_queue1(&cmd, sizeof(cmd)); } static void audplay_buffer_refresh(struct audio *audio) { struct audplay_cmd_buffer_refresh refresh_cmd; refresh_cmd.cmd_id = AUDPLAY_CMD_BUFFER_REFRESH; refresh_cmd.num_buffers = 1; refresh_cmd.buf0_address = audio->in[audio->fill_next].addr; refresh_cmd.buf0_length = audio->in[audio->fill_next].size; refresh_cmd.buf_read_count = 0; MM_DBG("buf0_addr=%x buf0_len=%d\n", refresh_cmd.buf0_address, refresh_cmd.buf0_length); (void)audplay_send_queue0(audio, &refresh_cmd, sizeof(refresh_cmd)); } static void audplay_config_hostpcm(struct audio *audio) { struct audplay_cmd_hpcm_buf_cfg cfg_cmd; MM_DBG("\n"); /* Macro prints the file name and function */ cfg_cmd.cmd_id = AUDPLAY_CMD_HPCM_BUF_CFG; cfg_cmd.max_buffers = audio->pcm_buf_count; cfg_cmd.byte_swap = 0; cfg_cmd.hostpcm_config = (0x8000) | (0x4000); cfg_cmd.feedback_frequency = 1; cfg_cmd.partition_number = 0; (void)audplay_send_queue0(audio, &cfg_cmd, sizeof(cfg_cmd)); } static int audplay_dsp_send_data_avail(struct audio *audio, unsigned idx, unsigned len) { struct audplay_cmd_bitstream_data_avail_nt2 cmd; cmd.cmd_id = AUDPLAY_CMD_BITSTREAM_DATA_AVAIL_NT2; if (audio->mfield) cmd.decoder_id = AUDWMAPRO_METAFIELD_MASK | (audio->out[idx].mfield_sz >> 1); else cmd.decoder_id = audio->dec_id; cmd.buf_ptr = audio->out[idx].addr; cmd.buf_size = len/2; cmd.partition_number = 0; return audplay_send_queue0(audio, &cmd, sizeof(cmd)); } static void audplay_send_data(struct audio *audio, unsigned needed) { struct buffer *frame; unsigned long flags; spin_lock_irqsave(&audio->dsp_lock, flags); if (!audio->running) goto done; if (audio->wflush) { audio->out_needed = 1; goto done; } if (needed && !audio->wflush) { /* We were called from the callback because the DSP * requested more data. Note that the DSP does want * more data, and if a buffer was in-flight, mark it * as available (since the DSP must now be done with * it). */ audio->out_needed = 1; frame = audio->out + audio->out_tail; if (frame->used == 0xffffffff) { MM_DBG("frame %d free\n", audio->out_tail); frame->used = 0; audio->out_tail ^= 1; wake_up(&audio->write_wait); } } if (audio->out_needed) { /* If the DSP currently wants data and we have a * buffer available, we will send it and reset * the needed flag. We'll mark the buffer as in-flight * so that it won't be recycled until the next buffer * is requested */ MM_DBG("\n"); /* Macro prints the file name and function */ frame = audio->out + audio->out_tail; if (frame->used) { BUG_ON(frame->used == 0xffffffff); MM_DBG("frame %d busy\n", audio->out_tail); audplay_dsp_send_data_avail(audio, audio->out_tail, frame->used); frame->used = 0xffffffff; audio->out_needed = 0; } } done: spin_unlock_irqrestore(&audio->dsp_lock, flags); } /* ------------------- device --------------------- */ static void audio_flush(struct audio *audio) { audio->out[0].used = 0; audio->out[1].used = 0; audio->out_head = 0; audio->out_tail = 0; audio->reserved = 0; atomic_set(&audio->out_bytes, 0); } static void audio_flush_pcm_buf(struct audio *audio) { uint8_t index; for (index = 0; index < PCM_BUF_MAX_COUNT; index++) audio->in[index].used = 0; audio->buf_refresh = 0; audio->read_next = 0; audio->fill_next = 0; } static void audio_ioport_reset(struct audio *audio) { /* Make sure read/write thread are free from * sleep and knowing that system is not able * to process io request at the moment */ wake_up(&audio->write_wait); mutex_lock(&audio->write_lock); audio_flush(audio); mutex_unlock(&audio->write_lock); wake_up(&audio->read_wait); mutex_lock(&audio->read_lock); audio_flush_pcm_buf(audio); mutex_unlock(&audio->read_lock); audio->avsync_flag = 1; wake_up(&audio->avsync_wait); } static int audwmapro_events_pending(struct audio *audio) { unsigned long flags; int empty; spin_lock_irqsave(&audio->event_queue_lock, flags); empty = !list_empty(&audio->event_queue); spin_unlock_irqrestore(&audio->event_queue_lock, flags); return empty || audio->event_abort; } static void audwmapro_reset_event_queue(struct audio *audio) { unsigned long flags; struct audwmapro_event *drv_evt; struct list_head *ptr, *next; spin_lock_irqsave(&audio->event_queue_lock, flags); list_for_each_safe(ptr, next, &audio->event_queue) { drv_evt = list_first_entry(&audio->event_queue, struct audwmapro_event, list); list_del(&drv_evt->list); kfree(drv_evt); } list_for_each_safe(ptr, next, &audio->free_event_queue) { drv_evt = list_first_entry(&audio->free_event_queue, struct audwmapro_event, list); list_del(&drv_evt->list); kfree(drv_evt); } spin_unlock_irqrestore(&audio->event_queue_lock, flags); return; } static long audwmapro_process_event_req(struct audio *audio, void __user *arg) { long rc; struct msm_audio_event usr_evt; struct audwmapro_event *drv_evt = NULL; int timeout; unsigned long flags; if (copy_from_user(&usr_evt, arg, sizeof(struct msm_audio_event))) return -EFAULT; timeout = (int) usr_evt.timeout_ms; if (timeout > 0) { rc = wait_event_interruptible_timeout(audio->event_wait, audwmapro_events_pending(audio), msecs_to_jiffies(timeout)); if (rc == 0) return -ETIMEDOUT; } else { rc = wait_event_interruptible( audio->event_wait, audwmapro_events_pending(audio)); } if (rc < 0) return rc; if (audio->event_abort) { audio->event_abort = 0; return -ENODEV; } rc = 0; spin_lock_irqsave(&audio->event_queue_lock, flags); if (!list_empty(&audio->event_queue)) { drv_evt = list_first_entry(&audio->event_queue, struct audwmapro_event, list); list_del(&drv_evt->list); } if (drv_evt) { usr_evt.event_type = drv_evt->event_type; usr_evt.event_payload = drv_evt->payload; list_add_tail(&drv_evt->list, &audio->free_event_queue); } else rc = -1; spin_unlock_irqrestore(&audio->event_queue_lock, flags); if (!rc && copy_to_user(arg, &usr_evt, sizeof(usr_evt))) rc = -EFAULT; return rc; } static int audio_enable_eq(struct audio *audio, int enable) { if (audio->eq_enable == enable && !audio->eq_needs_commit) return 0; audio->eq_enable = enable; if (audio->running) { audpp_dsp_set_eq(audio->dec_id, enable, &audio->eq, POPP); audio->eq_needs_commit = 0; } return 0; } static int audio_get_avsync_data(struct audio *audio, struct msm_audio_stats *stats) { int rc = -EINVAL; unsigned long flags; local_irq_save(flags); if (audio->dec_id == audio->avsync[0] && audio->avsync_flag) { /* av_sync sample count */ stats->sample_count = (audio->avsync[2] << 16) | (audio->avsync[3]); /* av_sync byte_count */ stats->byte_count = (audio->avsync[5] << 16) | (audio->avsync[6]); audio->avsync_flag = 0; rc = 0; } local_irq_restore(flags); return rc; } static long audio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct audio *audio = file->private_data; int rc = -EINVAL; unsigned long flags = 0; uint16_t enable_mask; int enable; int prev_state; MM_DBG("cmd = %d\n", cmd); if (cmd == AUDIO_GET_STATS) { struct msm_audio_stats stats; audio->avsync_flag = 0; memset(&stats, 0, sizeof(stats)); if (audpp_query_avsync(audio->dec_id) < 0) return rc; rc = wait_event_interruptible_timeout(audio->avsync_wait, (audio->avsync_flag == 1), msecs_to_jiffies(AUDPP_AVSYNC_EVENT_TIMEOUT)); if (rc < 0) return rc; else if ((rc > 0) || ((rc == 0) && (audio->avsync_flag == 1))) { if (audio_get_avsync_data(audio, &stats) < 0) return rc; if (copy_to_user((void *)arg, &stats, sizeof(stats))) return -EFAULT; return 0; } else return -EAGAIN; } switch (cmd) { case AUDIO_ENABLE_AUDPP: if (copy_from_user(&enable_mask, (void *) arg, sizeof(enable_mask))) { rc = -EFAULT; break; } spin_lock_irqsave(&audio->dsp_lock, flags); enable = (enable_mask & EQ_ENABLE) ? 1 : 0; audio_enable_eq(audio, enable); spin_unlock_irqrestore(&audio->dsp_lock, flags); rc = 0; break; case AUDIO_SET_VOLUME: spin_lock_irqsave(&audio->dsp_lock, flags); audio->vol_pan.volume = arg; if (audio->running) audpp_dsp_set_vol_pan(audio->dec_id, &audio->vol_pan, POPP); spin_unlock_irqrestore(&audio->dsp_lock, flags); rc = 0; break; case AUDIO_SET_PAN: spin_lock_irqsave(&audio->dsp_lock, flags); audio->vol_pan.pan = arg; if (audio->running) audpp_dsp_set_vol_pan(audio->dec_id, &audio->vol_pan, POPP); spin_unlock_irqrestore(&audio->dsp_lock, flags); rc = 0; break; case AUDIO_SET_EQ: prev_state = audio->eq_enable; audio->eq_enable = 0; if (copy_from_user(&audio->eq.num_bands, (void *) arg, sizeof(audio->eq) - (AUDPP_CMD_CFG_OBJECT_PARAMS_COMMON_LEN + 2))) { rc = -EFAULT; break; } audio->eq_enable = prev_state; audio->eq_needs_commit = 1; rc = 0; break; } if (-EINVAL != rc) return rc; if (cmd == AUDIO_GET_EVENT) { MM_DBG("AUDIO_GET_EVENT\n"); if (mutex_trylock(&audio->get_event_lock)) { rc = audwmapro_process_event_req(audio, (void __user *) arg); mutex_unlock(&audio->get_event_lock); } else rc = -EBUSY; return rc; } if (cmd == AUDIO_ABORT_GET_EVENT) { audio->event_abort = 1; wake_up(&audio->event_wait); return 0; } mutex_lock(&audio->lock); switch (cmd) { case AUDIO_START: MM_DBG("AUDIO_START\n"); rc = audio_enable(audio); if (!rc) { rc = wait_event_interruptible_timeout(audio->wait, audio->dec_state != MSM_AUD_DECODER_STATE_NONE, msecs_to_jiffies(MSM_AUD_DECODER_WAIT_MS)); MM_INFO("dec_state %d rc = %d\n", audio->dec_state, rc); if (audio->dec_state != MSM_AUD_DECODER_STATE_SUCCESS) rc = -ENODEV; else rc = 0; } break; case AUDIO_STOP: MM_DBG("AUDIO_STOP\n"); rc = audio_disable(audio); audio->stopped = 1; audio_ioport_reset(audio); audio->stopped = 0; break; case AUDIO_FLUSH: MM_DBG("AUDIO_FLUSH\n"); audio->rflush = 1; audio->wflush = 1; audio_ioport_reset(audio); if (audio->running) { audpp_flush(audio->dec_id); rc = wait_event_interruptible(audio->write_wait, !audio->wflush); if (rc < 0) { MM_ERR("AUDIO_FLUSH interrupted\n"); rc = -EINTR; } } else { audio->rflush = 0; audio->wflush = 0; } break; case AUDIO_SET_CONFIG: { struct msm_audio_config config; if (copy_from_user(&config, (void *) arg, sizeof(config))) { rc = -EFAULT; break; } if (config.channel_count == 1) { config.channel_count = AUDPP_CMD_PCM_INTF_MONO_V; } else if (config.channel_count == 2) { config.channel_count = AUDPP_CMD_PCM_INTF_STEREO_V; } else { rc = -EINVAL; break; } audio->mfield = config.meta_field; audio->out_sample_rate = config.sample_rate; audio->out_channel_mode = config.channel_count; rc = 0; break; } case AUDIO_GET_CONFIG: { struct msm_audio_config config; config.buffer_size = (audio->out_dma_sz >> 1); config.buffer_count = 2; config.sample_rate = audio->out_sample_rate; if (audio->out_channel_mode == AUDPP_CMD_PCM_INTF_MONO_V) config.channel_count = 1; else config.channel_count = 2; config.meta_field = 0; config.unused[0] = 0; config.unused[1] = 0; config.unused[2] = 0; if (copy_to_user((void *) arg, &config, sizeof(config))) rc = -EFAULT; else rc = 0; break; } case AUDIO_GET_WMAPRO_CONFIG:{ if (copy_to_user((void *)arg, &audio->wmapro_config, sizeof(audio->wmapro_config))) rc = -EFAULT; else rc = 0; break; } case AUDIO_SET_WMAPRO_CONFIG:{ struct msm_audio_wmapro_config usr_config; if (copy_from_user (&usr_config, (void *)arg, sizeof(usr_config))) { rc = -EFAULT; break; } audio->wmapro_config = usr_config; /* Need to swap the first and last words of advancedencodeopt2 * as DSP cannot read 32-bit variable at a time. Need to be * split into two 16-bit and swap them as required by DSP */ audio->wmapro_config.advancedencodeopt2 = ((audio->wmapro_config.advancedencodeopt2 & 0xFFFF0000) >> 16) | ((audio->wmapro_config.advancedencodeopt2 << 16) & 0xFFFF0000); rc = 0; break; } case AUDIO_GET_PCM_CONFIG:{ struct msm_audio_pcm_config config; config.pcm_feedback = audio->pcm_feedback; config.buffer_count = PCM_BUF_MAX_COUNT; config.buffer_size = PCM_BUFSZ_MIN; if (copy_to_user((void *)arg, &config, sizeof(config))) rc = -EFAULT; else rc = 0; break; } case AUDIO_SET_PCM_CONFIG:{ struct msm_audio_pcm_config config; if (copy_from_user (&config, (void *)arg, sizeof(config))) { rc = -EFAULT; break; } if (config.pcm_feedback != audio->pcm_feedback) { MM_ERR("Not sufficient permission to" "change the playback mode\n"); rc = -EACCES; break; } if ((config.buffer_count > PCM_BUF_MAX_COUNT) || (config.buffer_count == 1)) config.buffer_count = PCM_BUF_MAX_COUNT; if (config.buffer_size < PCM_BUFSZ_MIN) config.buffer_size = PCM_BUFSZ_MIN; /* Check if pcm feedback is required */ if ((config.pcm_feedback) && (!audio->read_data)) { MM_DBG("allocate PCM buffer %d\n", config.buffer_count * config.buffer_size); audio->read_phys = allocate_contiguous_ebi_nomap( config.buffer_size * config.buffer_count, SZ_4K); if (!audio->read_phys) { rc = -ENOMEM; break; } audio->map_v_read = ioremap( audio->read_phys, config.buffer_size * config.buffer_count); if (IS_ERR(audio->map_v_read)) { MM_ERR("read buf map fail\n"); rc = -ENOMEM; free_contiguous_memory_by_paddr( audio->read_phys); } else { uint8_t index; uint32_t offset = 0; audio->read_data = audio->map_v_read; audio->pcm_feedback = 1; audio->buf_refresh = 0; audio->pcm_buf_count = config.buffer_count; audio->read_next = 0; audio->fill_next = 0; for (index = 0; index < config.buffer_count; index++) { audio->in[index].data = audio->read_data + offset; audio->in[index].addr = audio->read_phys + offset; audio->in[index].size = config.buffer_size; audio->in[index].used = 0; offset += config.buffer_size; } MM_DBG("read buf: phy addr \ 0x%08x kernel addr 0x%08x\n", audio->read_phys, (int)audio->read_data); rc = 0; } } else { rc = 0; } break; } case AUDIO_PAUSE: MM_DBG("AUDIO_PAUSE %ld\n", arg); rc = audpp_pause(audio->dec_id, (int) arg); break; case AUDIO_GET_SESSION_ID: if (copy_to_user((void *) arg, &audio->dec_id, sizeof(unsigned short))) rc = -EFAULT; else rc = 0; break; default: rc = -EINVAL; } mutex_unlock(&audio->lock); return rc; } /* Only useful in tunnel-mode */ static int audio_fsync(struct file *file, loff_t ppos1, loff_t ppos2, int datasync) { struct audio *audio = file->private_data; struct buffer *frame; int rc = 0; MM_DBG("\n"); /* Macro prints the file name and function */ if (!audio->running || audio->pcm_feedback) { rc = -EINVAL; goto done_nolock; } mutex_lock(&audio->write_lock); rc = wait_event_interruptible(audio->write_wait, (!audio->out[0].used && !audio->out[1].used && audio->out_needed) || audio->wflush); if (rc < 0) goto done; else if (audio->wflush) { rc = -EBUSY; goto done; } if (audio->reserved) { MM_DBG("send reserved byte\n"); frame = audio->out + audio->out_tail; ((char *) frame->data)[0] = audio->rsv_byte; ((char *) frame->data)[1] = 0; frame->used = 2; audplay_send_data(audio, 0); rc = wait_event_interruptible(audio->write_wait, (!audio->out[0].used && !audio->out[1].used && audio->out_needed) || audio->wflush); if (rc < 0) goto done; else if (audio->wflush) { rc = -EBUSY; goto done; } } /* pcm dmamiss message is sent continously * when decoder is starved so no race * condition concern */ audio->teos = 0; rc = wait_event_interruptible(audio->write_wait, audio->teos || audio->wflush); if (audio->wflush) rc = -EBUSY; done: mutex_unlock(&audio->write_lock); done_nolock: return rc; } static ssize_t audio_read(struct file *file, char __user *buf, size_t count, loff_t *pos) { struct audio *audio = file->private_data; const char __user *start = buf; int rc = 0; if (!audio->pcm_feedback) return 0; /* PCM feedback is not enabled. Nothing to read */ mutex_lock(&audio->read_lock); MM_DBG("%d \n", count); while (count > 0) { rc = wait_event_interruptible(audio->read_wait, (audio->in[audio->read_next].used > 0) || (audio->stopped) || (audio->rflush)); if (rc < 0) break; if (audio->stopped || audio->rflush) { rc = -EBUSY; break; } if (count < audio->in[audio->read_next].used) { /* Read must happen in frame boundary. Since driver does not know frame size, read count must be greater or equal to size of PCM samples */ MM_DBG("audio_read: no partial frame done reading\n"); break; } else { MM_DBG("audio_read: read from in[%d]\n", audio->read_next); if (copy_to_user (buf, audio->in[audio->read_next].data, audio->in[audio->read_next].used)) { MM_ERR("invalid addr %x \n", (unsigned int)buf); rc = -EFAULT; break; } count -= audio->in[audio->read_next].used; buf += audio->in[audio->read_next].used; audio->in[audio->read_next].used = 0; if ((++audio->read_next) == audio->pcm_buf_count) audio->read_next = 0; break; /* Force to exit while loop * to prevent output thread * sleep too long if data is * not ready at this moment. */ } } /* don't feed output buffer to HW decoder during flushing * buffer refresh command will be sent once flush completes * send buf refresh command here can confuse HW decoder */ if (audio->buf_refresh && !audio->rflush) { audio->buf_refresh = 0; MM_DBG("kick start pcm feedback again\n"); audplay_buffer_refresh(audio); } mutex_unlock(&audio->read_lock); if (buf > start) rc = buf - start; MM_DBG("read %d bytes\n", rc); return rc; } static int audwmapro_process_eos(struct audio *audio, const char __user *buf_start, unsigned short mfield_size) { int rc = 0; struct buffer *frame; char *buf_ptr; if (audio->reserved) { MM_DBG("flush reserve byte\n"); frame = audio->out + audio->out_head; buf_ptr = frame->data; rc = wait_event_interruptible(audio->write_wait, (frame->used == 0) || (audio->stopped) || (audio->wflush)); if (rc < 0) goto done; if (audio->stopped || audio->wflush) { rc = -EBUSY; goto done; } buf_ptr[0] = audio->rsv_byte; buf_ptr[1] = 0; audio->out_head ^= 1; frame->mfield_sz = 0; frame->used = 2; audio->reserved = 0; audplay_send_data(audio, 0); } frame = audio->out + audio->out_head; rc = wait_event_interruptible(audio->write_wait, (audio->out_needed && audio->out[0].used == 0 && audio->out[1].used == 0) || (audio->stopped) || (audio->wflush)); if (rc < 0) goto done; if (audio->stopped || audio->wflush) { rc = -EBUSY; goto done; } if (copy_from_user(frame->data, buf_start, mfield_size)) { rc = -EFAULT; goto done; } frame->mfield_sz = mfield_size; audio->out_head ^= 1; frame->used = mfield_size; audplay_send_data(audio, 0); done: return rc; } static ssize_t audio_write(struct file *file, const char __user *buf, size_t count, loff_t *pos) { struct audio *audio = file->private_data; const char __user *start = buf; struct buffer *frame; size_t xfer; char *cpy_ptr; int rc = 0, eos_condition = AUDWMAPRO_EOS_NONE; unsigned dsize; unsigned short mfield_size = 0; MM_DBG("cnt=%d\n", count); mutex_lock(&audio->write_lock); while (count > 0) { frame = audio->out + audio->out_head; cpy_ptr = frame->data; dsize = 0; rc = wait_event_interruptible(audio->write_wait, (frame->used == 0) || (audio->stopped) || (audio->wflush)); if (rc < 0) break; if (audio->stopped || audio->wflush) { rc = -EBUSY; break; } if (audio->mfield) { if (buf == start) { /* Processing beginning of user buffer */ if (__get_user(mfield_size, (unsigned short __user *) buf)) { rc = -EFAULT; break; } else if (mfield_size > count) { rc = -EINVAL; break; } MM_DBG("audio_write: mf offset_val %x\n", mfield_size); if (copy_from_user(cpy_ptr, buf, mfield_size)) { rc = -EFAULT; break; } /* Check if EOS flag is set and buffer has * contains just meta field */ if (cpy_ptr[AUDWMAPRO_EOS_FLG_OFFSET] & AUDWMAPRO_EOS_FLG_MASK) { MM_DBG("audio_write: EOS SET\n"); eos_condition = AUDWMAPRO_EOS_SET; if (mfield_size == count) { buf += mfield_size; break; } else cpy_ptr[AUDWMAPRO_EOS_FLG_OFFSET] &= ~AUDWMAPRO_EOS_FLG_MASK; } cpy_ptr += mfield_size; count -= mfield_size; dsize += mfield_size; buf += mfield_size; } else { mfield_size = 0; MM_DBG("audio_write: continuous buffer\n"); } frame->mfield_sz = mfield_size; } if (audio->reserved) { MM_DBG("append reserved byte %x\n", audio->rsv_byte); *cpy_ptr = audio->rsv_byte; xfer = (count > ((frame->size - mfield_size) - 1)) ? (frame->size - mfield_size) - 1 : count; cpy_ptr++; dsize += 1; audio->reserved = 0; } else xfer = (count > (frame->size - mfield_size)) ? (frame->size - mfield_size) : count; if (copy_from_user(cpy_ptr, buf, xfer)) { rc = -EFAULT; break; } dsize += xfer; if (dsize & 1) { audio->rsv_byte = ((char *) frame->data)[dsize - 1]; MM_DBG("odd length buf reserve last byte %x\n", audio->rsv_byte); audio->reserved = 1; dsize--; } count -= xfer; buf += xfer; if (dsize > 0) { audio->out_head ^= 1; frame->used = dsize; audplay_send_data(audio, 0); } } if (eos_condition == AUDWMAPRO_EOS_SET) rc = audwmapro_process_eos(audio, start, mfield_size); mutex_unlock(&audio->write_lock); if (!rc) { if (buf > start) return buf - start; } return rc; } static int audio_release(struct inode *inode, struct file *file) { struct audio *audio = file->private_data; MM_INFO("audio instance 0x%08x freeing\n", (int)audio); mutex_lock(&audio->lock); auddev_unregister_evt_listner(AUDDEV_CLNT_DEC, audio->dec_id); audio_disable(audio); audio_flush(audio); audio_flush_pcm_buf(audio); msm_adsp_put(audio->audplay); audpp_adec_free(audio->dec_id); #ifdef CONFIG_HAS_EARLYSUSPEND unregister_early_suspend(&audio->suspend_ctl.node); #endif audio->event_abort = 1; wake_up(&audio->event_wait); audwmapro_reset_event_queue(audio); iounmap(audio->map_v_write); free_contiguous_memory_by_paddr(audio->phys); if (audio->read_data) { iounmap(audio->map_v_read); free_contiguous_memory_by_paddr(audio->read_phys); } mutex_unlock(&audio->lock); #ifdef CONFIG_DEBUG_FS if (audio->dentry) debugfs_remove(audio->dentry); #endif kfree(audio); return 0; } #ifdef CONFIG_HAS_EARLYSUSPEND static void audwmapro_post_event(struct audio *audio, int type, union msm_audio_event_payload payload) { struct audwmapro_event *e_node = NULL; unsigned long flags; spin_lock_irqsave(&audio->event_queue_lock, flags); if (!list_empty(&audio->free_event_queue)) { e_node = list_first_entry(&audio->free_event_queue, struct audwmapro_event, list); list_del(&e_node->list); } else { e_node = kmalloc(sizeof(struct audwmapro_event), GFP_ATOMIC); if (!e_node) { MM_ERR("No mem to post event %d\n", type); return; } } e_node->event_type = type; e_node->payload = payload; list_add_tail(&e_node->list, &audio->event_queue); spin_unlock_irqrestore(&audio->event_queue_lock, flags); wake_up(&audio->event_wait); } static void audwmapro_suspend(struct early_suspend *h) { struct audwmapro_suspend_ctl *ctl = container_of(h, struct audwmapro_suspend_ctl, node); union msm_audio_event_payload payload; MM_DBG("\n"); /* Macro prints the file name and function */ audwmapro_post_event(ctl->audio, AUDIO_EVENT_SUSPEND, payload); } static void audwmapro_resume(struct early_suspend *h) { struct audwmapro_suspend_ctl *ctl = container_of(h, struct audwmapro_suspend_ctl, node); union msm_audio_event_payload payload; MM_DBG("\n"); /* Macro prints the file name and function */ audwmapro_post_event(ctl->audio, AUDIO_EVENT_RESUME, payload); } #endif #ifdef CONFIG_DEBUG_FS static ssize_t audwmapro_debug_open(struct inode *inode, struct file *file) { file->private_data = inode->i_private; return 0; } static ssize_t audwmapro_debug_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { const int debug_bufmax = 4096; static char buffer[4096]; int n = 0, i; struct audio *audio = file->private_data; mutex_lock(&audio->lock); n = scnprintf(buffer, debug_bufmax, "opened %d\n", audio->opened); n += scnprintf(buffer + n, debug_bufmax - n, "enabled %d\n", audio->enabled); n += scnprintf(buffer + n, debug_bufmax - n, "stopped %d\n", audio->stopped); n += scnprintf(buffer + n, debug_bufmax - n, "pcm_feedback %d\n", audio->pcm_feedback); n += scnprintf(buffer + n, debug_bufmax - n, "out_buf_sz %d\n", audio->out[0].size); n += scnprintf(buffer + n, debug_bufmax - n, "pcm_buf_count %d \n", audio->pcm_buf_count); n += scnprintf(buffer + n, debug_bufmax - n, "pcm_buf_sz %d \n", audio->in[0].size); n += scnprintf(buffer + n, debug_bufmax - n, "volume %x \n", audio->vol_pan.volume); n += scnprintf(buffer + n, debug_bufmax - n, "sample rate %d \n", audio->out_sample_rate); n += scnprintf(buffer + n, debug_bufmax - n, "channel mode %d \n", audio->out_channel_mode); mutex_unlock(&audio->lock); /* Following variables are only useful for debugging when * when playback halts unexpectedly. Thus, no mutual exclusion * enforced */ n += scnprintf(buffer + n, debug_bufmax - n, "wflush %d\n", audio->wflush); n += scnprintf(buffer + n, debug_bufmax - n, "rflush %d\n", audio->rflush); n += scnprintf(buffer + n, debug_bufmax - n, "running %d \n", audio->running); n += scnprintf(buffer + n, debug_bufmax - n, "dec state %d \n", audio->dec_state); n += scnprintf(buffer + n, debug_bufmax - n, "out_needed %d \n", audio->out_needed); n += scnprintf(buffer + n, debug_bufmax - n, "out_head %d \n", audio->out_head); n += scnprintf(buffer + n, debug_bufmax - n, "out_tail %d \n", audio->out_tail); n += scnprintf(buffer + n, debug_bufmax - n, "out[0].used %d \n", audio->out[0].used); n += scnprintf(buffer + n, debug_bufmax - n, "out[1].used %d \n", audio->out[1].used); n += scnprintf(buffer + n, debug_bufmax - n, "buffer_refresh %d \n", audio->buf_refresh); n += scnprintf(buffer + n, debug_bufmax - n, "read_next %d \n", audio->read_next); n += scnprintf(buffer + n, debug_bufmax - n, "fill_next %d \n", audio->fill_next); for (i = 0; i < audio->pcm_buf_count; i++) n += scnprintf(buffer + n, debug_bufmax - n, "in[%d].size %d \n", i, audio->in[i].used); buffer[n] = 0; return simple_read_from_buffer(buf, count, ppos, buffer, n); } static const struct file_operations audwmapro_debug_fops = { .read = audwmapro_debug_read, .open = audwmapro_debug_open, }; #endif static int audio_open(struct inode *inode, struct file *file) { struct audio *audio = NULL; int rc, dec_attrb, decid, i; unsigned pmem_sz = DMASZ_MAX; struct audwmapro_event *e_node = NULL; #ifdef CONFIG_DEBUG_FS /* 4 bytes represents decoder number, 1 byte for terminate string */ char name[sizeof "msm_wmapro_" + 5]; #endif /* Allocate Mem for audio instance */ audio = kzalloc(sizeof(struct audio), GFP_KERNEL); if (!audio) { MM_ERR("no memory to allocate audio instance \n"); rc = -ENOMEM; goto done; } MM_INFO("audio instance 0x%08x created\n", (int)audio); /* Allocate the decoder */ dec_attrb = AUDDEC_DEC_WMAPRO; if ((file->f_mode & FMODE_WRITE) && (file->f_mode & FMODE_READ)) { dec_attrb |= MSM_AUD_MODE_NONTUNNEL; audio->pcm_feedback = NON_TUNNEL_MODE_PLAYBACK; } else if ((file->f_mode & FMODE_WRITE) && !(file->f_mode & FMODE_READ)) { dec_attrb |= MSM_AUD_MODE_TUNNEL; audio->pcm_feedback = TUNNEL_MODE_PLAYBACK; } else { kfree(audio); rc = -EACCES; goto done; } decid = audpp_adec_alloc(dec_attrb, &audio->module_name, &audio->queue_id); if (decid < 0) { MM_ERR("No free decoder available, freeing instance 0x%08x\n", (int)audio); rc = -ENODEV; kfree(audio); goto done; } audio->dec_id = decid & MSM_AUD_DECODER_MASK; while (pmem_sz >= DMASZ_MIN) { MM_DBG("pmemsz = %d\n", pmem_sz); audio->phys = allocate_contiguous_ebi_nomap(pmem_sz, SZ_4K); if (audio->phys) { audio->map_v_write = ioremap(audio->phys, pmem_sz); if (IS_ERR(audio->map_v_write)) { MM_ERR("could not map write buffers, \ freeing instance 0x%08x\n", (int)audio); rc = -ENOMEM; free_contiguous_memory_by_paddr(audio->phys); audpp_adec_free(audio->dec_id); kfree(audio); goto done; } audio->data = audio->map_v_write; MM_DBG("write buf: phy addr 0x%08x kernel addr \ 0x%08x\n", audio->phys, (int)audio->data); break; } else if (pmem_sz == DMASZ_MIN) { MM_ERR("could not allocate write buffers, freeing \ instance 0x%08x\n", (int)audio); rc = -ENOMEM; audpp_adec_free(audio->dec_id); kfree(audio); goto done; } else pmem_sz >>= 1; } audio->out_dma_sz = pmem_sz; rc = msm_adsp_get(audio->module_name, &audio->audplay, &audplay_adsp_ops_wmapro, audio); if (rc) { MM_ERR("failed to get %s module, freeing instance 0x%08x\n", audio->module_name, (int)audio); goto err; } mutex_init(&audio->lock); mutex_init(&audio->write_lock); mutex_init(&audio->read_lock); mutex_init(&audio->get_event_lock); spin_lock_init(&audio->dsp_lock); init_waitqueue_head(&audio->write_wait); init_waitqueue_head(&audio->read_wait); INIT_LIST_HEAD(&audio->free_event_queue); INIT_LIST_HEAD(&audio->event_queue); init_waitqueue_head(&audio->wait); init_waitqueue_head(&audio->event_wait); spin_lock_init(&audio->event_queue_lock); init_waitqueue_head(&audio->avsync_wait); audio->out[0].data = audio->data + 0; audio->out[0].addr = audio->phys + 0; audio->out[0].size = audio->out_dma_sz >> 1; audio->out[1].data = audio->data + audio->out[0].size; audio->out[1].addr = audio->phys + audio->out[0].size; audio->out[1].size = audio->out[0].size; /*audio->wmapro_config.armdatareqthr = 1268; audio->wmapro_config.numchannels = 2; audio->wmapro_config.avgbytespersecond = 6003; audio->wmapro_config.samplingrate = 44100; audio->wmapro_config.encodeopt = 224; audio->wmapro_config.validbitspersample = 16; audio->wmapro_config.formattag = 354; audio->wmapro_config.asfpacketlength = 2230; audio->wmapro_config.channelmask = 3; audio->wmapro_config.advancedencodeopt = 32834; audio->wmapro_config.advancedencodeopt2 = 0;*/ audio->out_sample_rate = 44100; audio->out_channel_mode = AUDPP_CMD_PCM_INTF_STEREO_V; audio->vol_pan.volume = 0x2000; audio_flush(audio); file->private_data = audio; audio->opened = 1; audio->device_events = AUDDEV_EVT_DEV_RDY |AUDDEV_EVT_DEV_RLS| AUDDEV_EVT_STREAM_VOL_CHG; rc = auddev_register_evt_listner(audio->device_events, AUDDEV_CLNT_DEC, audio->dec_id, wmapro_listner, (void *)audio); if (rc) { MM_ERR("%s: failed to register listner\n", __func__); goto event_err; } #ifdef CONFIG_DEBUG_FS snprintf(name, sizeof name, "msm_wmapro_%04x", audio->dec_id); audio->dentry = debugfs_create_file(name, S_IFREG | S_IRUGO, NULL, (void *) audio, &audwmapro_debug_fops); if (IS_ERR(audio->dentry)) MM_DBG("debugfs_create_file failed\n"); #endif #ifdef CONFIG_HAS_EARLYSUSPEND audio->suspend_ctl.node.level = EARLY_SUSPEND_LEVEL_DISABLE_FB; audio->suspend_ctl.node.resume = audwmapro_resume; audio->suspend_ctl.node.suspend = audwmapro_suspend; audio->suspend_ctl.audio = audio; register_early_suspend(&audio->suspend_ctl.node); #endif for (i = 0; i < AUDWMAPRO_EVENT_NUM; i++) { e_node = kmalloc(sizeof(struct audwmapro_event), GFP_KERNEL); if (e_node) list_add_tail(&e_node->list, &audio->free_event_queue); else { MM_ERR("event pkt alloc failed\n"); break; } } done: return rc; event_err: msm_adsp_put(audio->audplay); err: iounmap(audio->map_v_write); free_contiguous_memory_by_paddr(audio->phys); audpp_adec_free(audio->dec_id); kfree(audio); return rc; } static const struct file_operations audio_wmapro_fops = { .owner = THIS_MODULE, .open = audio_open, .release = audio_release, .read = audio_read, .write = audio_write, .unlocked_ioctl = audio_ioctl, .fsync = audio_fsync, }; struct miscdevice audio_wmapro_misc = { .minor = MISC_DYNAMIC_MINOR, .name = "msm_wmapro", .fops = &audio_wmapro_fops, }; static int __init audio_init(void) { return misc_register(&audio_wmapro_misc); } device_initcall(audio_init);