diff options
Diffstat (limited to 'drivers/staging/dream/qdsp5/audio_in.c')
| -rw-r--r-- | drivers/staging/dream/qdsp5/audio_in.c | 970 |
1 files changed, 0 insertions, 970 deletions
diff --git a/drivers/staging/dream/qdsp5/audio_in.c b/drivers/staging/dream/qdsp5/audio_in.c deleted file mode 100644 index b51fa096074e..000000000000 --- a/drivers/staging/dream/qdsp5/audio_in.c +++ /dev/null @@ -1,970 +0,0 @@ -/* arch/arm/mach-msm/qdsp5/audio_in.c - * - * pcm audio input device - * - * Copyright (C) 2008 Google, Inc. - * Copyright (C) 2008 HTC Corporation - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#include <linux/module.h> -#include <linux/fs.h> -#include <linux/miscdevice.h> -#include <linux/uaccess.h> -#include <linux/kthread.h> -#include <linux/wait.h> -#include <linux/dma-mapping.h> -#include <linux/gfp.h> - -#include <linux/delay.h> - -#include <linux/msm_audio.h> - -#include <asm/atomic.h> -#include <asm/ioctls.h> -#include <mach/msm_adsp.h> -#include <mach/msm_rpcrouter.h> - -#include "audmgr.h" - -#include <mach/qdsp5/qdsp5audpreproccmdi.h> -#include <mach/qdsp5/qdsp5audpreprocmsg.h> -#include <mach/qdsp5/qdsp5audreccmdi.h> -#include <mach/qdsp5/qdsp5audrecmsg.h> - -/* for queue ids - should be relative to module number*/ -#include "adsp.h" - -/* FRAME_NUM must be a power of two */ -#define FRAME_NUM (8) -#define FRAME_SIZE (2052 * 2) -#define MONO_DATA_SIZE (2048) -#define STEREO_DATA_SIZE (MONO_DATA_SIZE * 2) -#define DMASZ (FRAME_SIZE * FRAME_NUM) - -#define AGC_PARAM_SIZE (20) -#define NS_PARAM_SIZE (6) -#define IIR_PARAM_SIZE (48) -#define DEBUG (0) - -#define AGC_ENABLE 0x0001 -#define NS_ENABLE 0x0002 -#define IIR_ENABLE 0x0004 - -struct tx_agc_config { - uint16_t agc_params[AGC_PARAM_SIZE]; -}; - -struct ns_config { - uint16_t ns_params[NS_PARAM_SIZE]; -}; - -struct tx_iir_filter { - uint16_t num_bands; - uint16_t iir_params[IIR_PARAM_SIZE]; -}; - -struct audpre_cmd_iir_config_type { - uint16_t cmd_id; - uint16_t active_flag; - uint16_t num_bands; - uint16_t iir_params[IIR_PARAM_SIZE]; -}; - -struct buffer { - void *data; - uint32_t size; - uint32_t read; - uint32_t addr; -}; - -struct audio_in { - struct buffer in[FRAME_NUM]; - - spinlock_t dsp_lock; - - atomic_t in_bytes; - - struct mutex lock; - struct mutex read_lock; - wait_queue_head_t wait; - - struct msm_adsp_module *audpre; - struct msm_adsp_module *audrec; - - /* configuration to use on next enable */ - uint32_t samp_rate; - uint32_t channel_mode; - uint32_t buffer_size; /* 2048 for mono, 4096 for stereo */ - uint32_t type; /* 0 for PCM ,1 for AAC */ - uint32_t dsp_cnt; - uint32_t in_head; /* next buffer dsp will write */ - uint32_t in_tail; /* next buffer read() will read */ - uint32_t in_count; /* number of buffers available to read() */ - - unsigned short samp_rate_index; - - struct audmgr audmgr; - - /* data allocated for various buffers */ - char *data; - dma_addr_t phys; - - int opened; - int enabled; - int running; - int stopped; /* set when stopped, cleared on flush */ - - /* audpre settings */ - int agc_enable; - struct tx_agc_config agc; - - int ns_enable; - struct ns_config ns; - - int iir_enable; - struct tx_iir_filter iir; -}; - -static int audio_in_dsp_enable(struct audio_in *audio, int enable); -static int audio_in_encoder_config(struct audio_in *audio); -static int audio_dsp_read_buffer(struct audio_in *audio, uint32_t read_cnt); -static void audio_flush(struct audio_in *audio); -static int audio_dsp_set_agc(struct audio_in *audio); -static int audio_dsp_set_ns(struct audio_in *audio); -static int audio_dsp_set_tx_iir(struct audio_in *audio); - -static unsigned convert_dsp_samp_index(unsigned index) -{ - switch (index) { - case 48000: return AUDREC_CMD_SAMP_RATE_INDX_48000; - case 44100: return AUDREC_CMD_SAMP_RATE_INDX_44100; - case 32000: return AUDREC_CMD_SAMP_RATE_INDX_32000; - case 24000: return AUDREC_CMD_SAMP_RATE_INDX_24000; - case 22050: return AUDREC_CMD_SAMP_RATE_INDX_22050; - case 16000: return AUDREC_CMD_SAMP_RATE_INDX_16000; - case 12000: return AUDREC_CMD_SAMP_RATE_INDX_12000; - case 11025: return AUDREC_CMD_SAMP_RATE_INDX_11025; - case 8000: return AUDREC_CMD_SAMP_RATE_INDX_8000; - default: return AUDREC_CMD_SAMP_RATE_INDX_11025; - } -} - -static unsigned convert_samp_rate(unsigned hz) -{ - switch (hz) { - case 48000: return RPC_AUD_DEF_SAMPLE_RATE_48000; - case 44100: return RPC_AUD_DEF_SAMPLE_RATE_44100; - case 32000: return RPC_AUD_DEF_SAMPLE_RATE_32000; - case 24000: return RPC_AUD_DEF_SAMPLE_RATE_24000; - case 22050: return RPC_AUD_DEF_SAMPLE_RATE_22050; - case 16000: return RPC_AUD_DEF_SAMPLE_RATE_16000; - case 12000: return RPC_AUD_DEF_SAMPLE_RATE_12000; - case 11025: return RPC_AUD_DEF_SAMPLE_RATE_11025; - case 8000: return RPC_AUD_DEF_SAMPLE_RATE_8000; - default: return RPC_AUD_DEF_SAMPLE_RATE_11025; - } -} - -static unsigned convert_samp_index(unsigned index) -{ - switch (index) { - case RPC_AUD_DEF_SAMPLE_RATE_48000: return 48000; - case RPC_AUD_DEF_SAMPLE_RATE_44100: return 44100; - case RPC_AUD_DEF_SAMPLE_RATE_32000: return 32000; - case RPC_AUD_DEF_SAMPLE_RATE_24000: return 24000; - case RPC_AUD_DEF_SAMPLE_RATE_22050: return 22050; - case RPC_AUD_DEF_SAMPLE_RATE_16000: return 16000; - case RPC_AUD_DEF_SAMPLE_RATE_12000: return 12000; - case RPC_AUD_DEF_SAMPLE_RATE_11025: return 11025; - case RPC_AUD_DEF_SAMPLE_RATE_8000: return 8000; - default: return 11025; - } -} - -/* must be called with audio->lock held */ -static int audio_in_enable(struct audio_in *audio) -{ - struct audmgr_config cfg; - int rc; - - if (audio->enabled) - return 0; - - cfg.tx_rate = audio->samp_rate; - cfg.rx_rate = RPC_AUD_DEF_SAMPLE_RATE_NONE; - cfg.def_method = RPC_AUD_DEF_METHOD_RECORD; - if (audio->type == AUDREC_CMD_TYPE_0_INDEX_WAV) - cfg.codec = RPC_AUD_DEF_CODEC_PCM; - else - cfg.codec = RPC_AUD_DEF_CODEC_AAC; - cfg.snd_method = RPC_SND_METHOD_MIDI; - - rc = audmgr_enable(&audio->audmgr, &cfg); - if (rc < 0) - return rc; - - if (msm_adsp_enable(audio->audpre)) { - pr_err("audrec: msm_adsp_enable(audpre) failed\n"); - return -ENODEV; - } - if (msm_adsp_enable(audio->audrec)) { - pr_err("audrec: msm_adsp_enable(audrec) failed\n"); - return -ENODEV; - } - - audio->enabled = 1; - audio_in_dsp_enable(audio, 1); - - return 0; -} - -/* must be called with audio->lock held */ -static int audio_in_disable(struct audio_in *audio) -{ - if (audio->enabled) { - audio->enabled = 0; - - audio_in_dsp_enable(audio, 0); - - wake_up(&audio->wait); - - msm_adsp_disable(audio->audrec); - msm_adsp_disable(audio->audpre); - audmgr_disable(&audio->audmgr); - } - return 0; -} - -/* ------------------- dsp --------------------- */ -static void audpre_dsp_event(void *data, unsigned id, size_t len, - void (*getevent)(void *ptr, size_t len)) -{ - uint16_t msg[2]; - getevent(msg, sizeof(msg)); - - switch (id) { - case AUDPREPROC_MSG_CMD_CFG_DONE_MSG: - pr_info("audpre: type %d, status_flag %d\n", msg[0], msg[1]); - break; - case AUDPREPROC_MSG_ERROR_MSG_ID: - pr_info("audpre: err_index %d\n", msg[0]); - break; - default: - pr_err("audpre: unknown event %d\n", id); - } -} - -struct audio_frame { - uint16_t count_low; - uint16_t count_high; - uint16_t bytes; - uint16_t unknown; - unsigned char samples[]; -} __attribute__((packed)); - -static void audio_in_get_dsp_frames(struct audio_in *audio) -{ - struct audio_frame *frame; - uint32_t index; - unsigned long flags; - - index = audio->in_head; - - /* XXX check for bogus frame size? */ - - frame = (void *) (((char *)audio->in[index].data) - sizeof(*frame)); - - spin_lock_irqsave(&audio->dsp_lock, flags); - audio->in[index].size = frame->bytes; - - audio->in_head = (audio->in_head + 1) & (FRAME_NUM - 1); - - /* If overflow, move the tail index foward. */ - if (audio->in_head == audio->in_tail) - audio->in_tail = (audio->in_tail + 1) & (FRAME_NUM - 1); - else - audio->in_count++; - - audio_dsp_read_buffer(audio, audio->dsp_cnt++); - spin_unlock_irqrestore(&audio->dsp_lock, flags); - - wake_up(&audio->wait); -} - -static void audrec_dsp_event(void *data, unsigned id, size_t len, - void (*getevent)(void *ptr, size_t len)) -{ - struct audio_in *audio = data; - uint16_t msg[3]; - getevent(msg, sizeof(msg)); - - switch (id) { - case AUDREC_MSG_CMD_CFG_DONE_MSG: - if (msg[0] & AUDREC_MSG_CFG_DONE_TYPE_0_UPDATE) { - if (msg[0] & AUDREC_MSG_CFG_DONE_TYPE_0_ENA) { - pr_info("audpre: CFG ENABLED\n"); - audio_dsp_set_agc(audio); - audio_dsp_set_ns(audio); - audio_dsp_set_tx_iir(audio); - audio_in_encoder_config(audio); - } else { - pr_info("audrec: CFG SLEEP\n"); - audio->running = 0; - } - } else { - pr_info("audrec: CMD_CFG_DONE %x\n", msg[0]); - } - break; - case AUDREC_MSG_CMD_AREC_PARAM_CFG_DONE_MSG: { - pr_info("audrec: PARAM CFG DONE\n"); - audio->running = 1; - break; - } - case AUDREC_MSG_FATAL_ERR_MSG: - pr_err("audrec: ERROR %x\n", msg[0]); - break; - case AUDREC_MSG_PACKET_READY_MSG: -/* REC_DBG("type %x, count %d", msg[0], (msg[1] | (msg[2] << 16))); */ - audio_in_get_dsp_frames(audio); - break; - default: - pr_err("audrec: unknown event %d\n", id); - } -} - -struct msm_adsp_ops audpre_adsp_ops = { - .event = audpre_dsp_event, -}; - -struct msm_adsp_ops audrec_adsp_ops = { - .event = audrec_dsp_event, -}; - - -#define audio_send_queue_pre(audio, cmd, len) \ - msm_adsp_write(audio->audpre, QDSP_uPAudPreProcCmdQueue, cmd, len) -#define audio_send_queue_recbs(audio, cmd, len) \ - msm_adsp_write(audio->audrec, QDSP_uPAudRecBitStreamQueue, cmd, len) -#define audio_send_queue_rec(audio, cmd, len) \ - msm_adsp_write(audio->audrec, \ - QDSP_uPAudRecCmdQueue, cmd, len) - -static int audio_dsp_set_agc(struct audio_in *audio) -{ - audpreproc_cmd_cfg_agc_params cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd_id = AUDPREPROC_CMD_CFG_AGC_PARAMS; - - if (audio->agc_enable) { - /* cmd.tx_agc_param_mask = 0xFE00 from sample code */ - cmd.tx_agc_param_mask = - (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_SLOPE) | - (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_TH) | - (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_EXP_SLOPE) | - (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_EXP_TH) | - (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_AIG_FLAG) | - (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_STATIC_GAIN) | - (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_TX_AGC_ENA_FLAG); - cmd.tx_agc_enable_flag = - AUDPREPROC_CMD_TX_AGC_ENA_FLAG_ENA; - memcpy(&cmd.static_gain, &audio->agc.agc_params[0], - sizeof(uint16_t) * 6); - /* cmd.param_mask = 0xFFF0 from sample code */ - cmd.param_mask = - (1 << AUDPREPROC_CMD_PARAM_MASK_RMS_TAY) | - (1 << AUDPREPROC_CMD_PARAM_MASK_RELEASEK) | - (1 << AUDPREPROC_CMD_PARAM_MASK_DELAY) | - (1 << AUDPREPROC_CMD_PARAM_MASK_ATTACKK) | - (1 << AUDPREPROC_CMD_PARAM_MASK_LEAKRATE_SLOW) | - (1 << AUDPREPROC_CMD_PARAM_MASK_LEAKRATE_FAST) | - (1 << AUDPREPROC_CMD_PARAM_MASK_AIG_RELEASEK) | - (1 << AUDPREPROC_CMD_PARAM_MASK_AIG_MIN) | - (1 << AUDPREPROC_CMD_PARAM_MASK_AIG_MAX) | - (1 << AUDPREPROC_CMD_PARAM_MASK_LEAK_UP) | - (1 << AUDPREPROC_CMD_PARAM_MASK_LEAK_DOWN) | - (1 << AUDPREPROC_CMD_PARAM_MASK_AIG_ATTACKK); - memcpy(&cmd.aig_attackk, &audio->agc.agc_params[6], - sizeof(uint16_t) * 14); - - } else { - cmd.tx_agc_param_mask = - (1 << AUDPREPROC_CMD_TX_AGC_PARAM_MASK_TX_AGC_ENA_FLAG); - cmd.tx_agc_enable_flag = - AUDPREPROC_CMD_TX_AGC_ENA_FLAG_DIS; - } -#if DEBUG - pr_info("cmd_id = 0x%04x\n", cmd.cmd_id); - pr_info("tx_agc_param_mask = 0x%04x\n", cmd.tx_agc_param_mask); - pr_info("tx_agc_enable_flag = 0x%04x\n", cmd.tx_agc_enable_flag); - pr_info("static_gain = 0x%04x\n", cmd.static_gain); - pr_info("adaptive_gain_flag = 0x%04x\n", cmd.adaptive_gain_flag); - pr_info("expander_th = 0x%04x\n", cmd.expander_th); - pr_info("expander_slope = 0x%04x\n", cmd.expander_slope); - pr_info("compressor_th = 0x%04x\n", cmd.compressor_th); - pr_info("compressor_slope = 0x%04x\n", cmd.compressor_slope); - pr_info("param_mask = 0x%04x\n", cmd.param_mask); - pr_info("aig_attackk = 0x%04x\n", cmd.aig_attackk); - pr_info("aig_leak_down = 0x%04x\n", cmd.aig_leak_down); - pr_info("aig_leak_up = 0x%04x\n", cmd.aig_leak_up); - pr_info("aig_max = 0x%04x\n", cmd.aig_max); - pr_info("aig_min = 0x%04x\n", cmd.aig_min); - pr_info("aig_releasek = 0x%04x\n", cmd.aig_releasek); - pr_info("aig_leakrate_fast = 0x%04x\n", cmd.aig_leakrate_fast); - pr_info("aig_leakrate_slow = 0x%04x\n", cmd.aig_leakrate_slow); - pr_info("attackk_msw = 0x%04x\n", cmd.attackk_msw); - pr_info("attackk_lsw = 0x%04x\n", cmd.attackk_lsw); - pr_info("delay = 0x%04x\n", cmd.delay); - pr_info("releasek_msw = 0x%04x\n", cmd.releasek_msw); - pr_info("releasek_lsw = 0x%04x\n", cmd.releasek_lsw); - pr_info("rms_tav = 0x%04x\n", cmd.rms_tav); -#endif - return audio_send_queue_pre(audio, &cmd, sizeof(cmd)); -} - -static int audio_dsp_set_ns(struct audio_in *audio) -{ - audpreproc_cmd_cfg_ns_params cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd_id = AUDPREPROC_CMD_CFG_NS_PARAMS; - - if (audio->ns_enable) { - /* cmd.ec_mode_new is fixed as 0x0064 when enable from sample code */ - cmd.ec_mode_new = - AUDPREPROC_CMD_EC_MODE_NEW_NS_ENA | - AUDPREPROC_CMD_EC_MODE_NEW_HB_ENA | - AUDPREPROC_CMD_EC_MODE_NEW_VA_ENA; - memcpy(&cmd.dens_gamma_n, &audio->ns.ns_params, - sizeof(audio->ns.ns_params)); - } else { - cmd.ec_mode_new = - AUDPREPROC_CMD_EC_MODE_NEW_NLMS_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_DES_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_NS_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_CNI_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_NLES_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_HB_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_VA_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_PCD_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_FEHI_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_NEHI_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_NLPP_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_FNE_DIS | - AUDPREPROC_CMD_EC_MODE_NEW_PRENLMS_DIS; - } -#if DEBUG - pr_info("cmd_id = 0x%04x\n", cmd.cmd_id); - pr_info("ec_mode_new = 0x%04x\n", cmd.ec_mode_new); - pr_info("dens_gamma_n = 0x%04x\n", cmd.dens_gamma_n); - pr_info("dens_nfe_block_size = 0x%04x\n", cmd.dens_nfe_block_size); - pr_info("dens_limit_ns = 0x%04x\n", cmd.dens_limit_ns); - pr_info("dens_limit_ns_d = 0x%04x\n", cmd.dens_limit_ns_d); - pr_info("wb_gamma_e = 0x%04x\n", cmd.wb_gamma_e); - pr_info("wb_gamma_n = 0x%04x\n", cmd.wb_gamma_n); -#endif - return audio_send_queue_pre(audio, &cmd, sizeof(cmd)); -} - -static int audio_dsp_set_tx_iir(struct audio_in *audio) -{ - struct audpre_cmd_iir_config_type cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd_id = AUDPREPROC_CMD_CFG_IIR_TUNING_FILTER_PARAMS; - - if (audio->iir_enable) { - cmd.active_flag = AUDPREPROC_CMD_IIR_ACTIVE_FLAG_ENA; - cmd.num_bands = audio->iir.num_bands; - memcpy(&cmd.iir_params, &audio->iir.iir_params, - sizeof(audio->iir.iir_params)); - } else { - cmd.active_flag = AUDPREPROC_CMD_IIR_ACTIVE_FLAG_DIS; - } -#if DEBUG - pr_info("cmd_id = 0x%04x\n", cmd.cmd_id); - pr_info("active_flag = 0x%04x\n", cmd.active_flag); -#endif - return audio_send_queue_pre(audio, &cmd, sizeof(cmd)); -} - -static int audio_in_dsp_enable(struct audio_in *audio, int enable) -{ - audrec_cmd_cfg cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd_id = AUDREC_CMD_CFG; - cmd.type_0 = enable ? AUDREC_CMD_TYPE_0_ENA : AUDREC_CMD_TYPE_0_DIS; - cmd.type_0 |= (AUDREC_CMD_TYPE_0_UPDATE | audio->type); - cmd.type_1 = 0; - - return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); -} - -static int audio_in_encoder_config(struct audio_in *audio) -{ - audrec_cmd_arec0param_cfg cmd; - uint16_t *data = (void *) audio->data; - unsigned n; - - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd_id = AUDREC_CMD_AREC0PARAM_CFG; - cmd.ptr_to_extpkt_buffer_msw = audio->phys >> 16; - cmd.ptr_to_extpkt_buffer_lsw = audio->phys; - cmd.buf_len = FRAME_NUM; /* Both WAV and AAC use 8 frames */ - cmd.samp_rate_index = audio->samp_rate_index; - cmd.stereo_mode = audio->channel_mode; /* 0 for mono, 1 for stereo */ - - /* FIXME have no idea why cmd.rec_quality is fixed - * as 0x1C00 from sample code - */ - cmd.rec_quality = 0x1C00; - - /* prepare buffer pointers: - * Mono: 1024 samples + 4 halfword header - * Stereo: 2048 samples + 4 halfword header - * AAC - * Mono/Stere: 768 + 4 halfword header - */ - for (n = 0; n < FRAME_NUM; n++) { - audio->in[n].data = data + 4; - if (audio->type == AUDREC_CMD_TYPE_0_INDEX_WAV) - data += (4 + (audio->channel_mode ? 2048 : 1024)); - else if (audio->type == AUDREC_CMD_TYPE_0_INDEX_AAC) - data += (4 + 768); - } - - return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); -} - -static int audio_dsp_read_buffer(struct audio_in *audio, uint32_t read_cnt) -{ - audrec_cmd_packet_ext_ptr cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd_id = AUDREC_CMD_PACKET_EXT_PTR; - /* Both WAV and AAC use AUDREC_CMD_TYPE_0 */ - cmd.type = AUDREC_CMD_TYPE_0; - cmd.curr_rec_count_msw = read_cnt >> 16; - cmd.curr_rec_count_lsw = read_cnt; - - return audio_send_queue_recbs(audio, &cmd, sizeof(cmd)); -} - -/* ------------------- device --------------------- */ - -static void audio_enable_agc(struct audio_in *audio, int enable) -{ - if (audio->agc_enable != enable) { - audio->agc_enable = enable; - if (audio->running) - audio_dsp_set_agc(audio); - } -} - -static void audio_enable_ns(struct audio_in *audio, int enable) -{ - if (audio->ns_enable != enable) { - audio->ns_enable = enable; - if (audio->running) - audio_dsp_set_ns(audio); - } -} - -static void audio_enable_tx_iir(struct audio_in *audio, int enable) -{ - if (audio->iir_enable != enable) { - audio->iir_enable = enable; - if (audio->running) - audio_dsp_set_tx_iir(audio); - } -} - -static void audio_flush(struct audio_in *audio) -{ - int i; - - audio->dsp_cnt = 0; - audio->in_head = 0; - audio->in_tail = 0; - audio->in_count = 0; - for (i = 0; i < FRAME_NUM; i++) { - audio->in[i].size = 0; - audio->in[i].read = 0; - } -} - -static long audio_in_ioctl(struct file *file, - unsigned int cmd, unsigned long arg) -{ - struct audio_in *audio = file->private_data; - int rc; - - if (cmd == AUDIO_GET_STATS) { - struct msm_audio_stats stats; - stats.byte_count = atomic_read(&audio->in_bytes); - if (copy_to_user((void *) arg, &stats, sizeof(stats))) - return -EFAULT; - return 0; - } - - mutex_lock(&audio->lock); - switch (cmd) { - case AUDIO_START: - rc = audio_in_enable(audio); - break; - case AUDIO_STOP: - rc = audio_in_disable(audio); - audio->stopped = 1; - break; - case AUDIO_FLUSH: - if (audio->stopped) { - /* Make sure we're stopped and we wake any threads - * that might be blocked holding the read_lock. - * While audio->stopped read threads will always - * exit immediately. - */ - wake_up(&audio->wait); - mutex_lock(&audio->read_lock); - audio_flush(audio); - mutex_unlock(&audio->read_lock); - } - case AUDIO_SET_CONFIG: { - struct msm_audio_config cfg; - if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) { - rc = -EFAULT; - break; - } - if (cfg.channel_count == 1) { - cfg.channel_count = AUDREC_CMD_STEREO_MODE_MONO; - } else if (cfg.channel_count == 2) { - cfg.channel_count = AUDREC_CMD_STEREO_MODE_STEREO; - } else { - rc = -EINVAL; - break; - } - - if (cfg.type == 0) { - cfg.type = AUDREC_CMD_TYPE_0_INDEX_WAV; - } else if (cfg.type == 1) { - cfg.type = AUDREC_CMD_TYPE_0_INDEX_AAC; - } else { - rc = -EINVAL; - break; - } - audio->samp_rate = convert_samp_rate(cfg.sample_rate); - audio->samp_rate_index = - convert_dsp_samp_index(cfg.sample_rate); - audio->channel_mode = cfg.channel_count; - audio->buffer_size = - audio->channel_mode ? STEREO_DATA_SIZE - : MONO_DATA_SIZE; - audio->type = cfg.type; - rc = 0; - break; - } - case AUDIO_GET_CONFIG: { - struct msm_audio_config cfg; - cfg.buffer_size = audio->buffer_size; - cfg.buffer_count = FRAME_NUM; - cfg.sample_rate = convert_samp_index(audio->samp_rate); - if (audio->channel_mode == AUDREC_CMD_STEREO_MODE_MONO) - cfg.channel_count = 1; - else - cfg.channel_count = 2; - if (audio->type == AUDREC_CMD_TYPE_0_INDEX_WAV) - cfg.type = 0; - else - cfg.type = 1; - cfg.unused[0] = 0; - cfg.unused[1] = 0; - cfg.unused[2] = 0; - if (copy_to_user((void *) arg, &cfg, sizeof(cfg))) - rc = -EFAULT; - else - rc = 0; - break; - } - default: - rc = -EINVAL; - } - mutex_unlock(&audio->lock); - return rc; -} - -static ssize_t audio_in_read(struct file *file, - char __user *buf, - size_t count, loff_t *pos) -{ - struct audio_in *audio = file->private_data; - unsigned long flags; - const char __user *start = buf; - void *data; - uint32_t index; - uint32_t size; - int rc = 0; - - mutex_lock(&audio->read_lock); - while (count > 0) { - rc = wait_event_interruptible( - audio->wait, (audio->in_count > 0) || audio->stopped); - if (rc < 0) - break; - - if (audio->stopped) { - rc = -EBUSY; - break; - } - - index = audio->in_tail; - data = (uint8_t *) audio->in[index].data; - size = audio->in[index].size; - if (count >= size) { - if (copy_to_user(buf, data, size)) { - rc = -EFAULT; - break; - } - spin_lock_irqsave(&audio->dsp_lock, flags); - if (index != audio->in_tail) { - /* overrun -- data is invalid and we need to retry */ - spin_unlock_irqrestore(&audio->dsp_lock, flags); - continue; - } - audio->in[index].size = 0; - audio->in_tail = (audio->in_tail + 1) & (FRAME_NUM - 1); - audio->in_count--; - spin_unlock_irqrestore(&audio->dsp_lock, flags); - count -= size; - buf += size; - if (audio->type == AUDREC_CMD_TYPE_0_INDEX_AAC) - break; - } else { - pr_err("audio_in: short read\n"); - break; - } - if (audio->type == AUDREC_CMD_TYPE_0_INDEX_AAC) - break; /* AAC only read one frame */ - } - mutex_unlock(&audio->read_lock); - - if (buf > start) - return buf - start; - - return rc; -} - -static ssize_t audio_in_write(struct file *file, - const char __user *buf, - size_t count, loff_t *pos) -{ - return -EINVAL; -} - -static int audio_in_release(struct inode *inode, struct file *file) -{ - struct audio_in *audio = file->private_data; - - mutex_lock(&audio->lock); - audio_in_disable(audio); - audio_flush(audio); - msm_adsp_put(audio->audrec); - msm_adsp_put(audio->audpre); - audio->audrec = NULL; - audio->audpre = NULL; - audio->opened = 0; - mutex_unlock(&audio->lock); - return 0; -} - -static struct audio_in the_audio_in; - -static int audio_in_open(struct inode *inode, struct file *file) -{ - struct audio_in *audio = &the_audio_in; - int rc; - - mutex_lock(&audio->lock); - if (audio->opened) { - rc = -EBUSY; - goto done; - } - - /* Settings will be re-config at AUDIO_SET_CONFIG, - * but at least we need to have initial config - */ - audio->samp_rate = RPC_AUD_DEF_SAMPLE_RATE_11025; - audio->samp_rate_index = AUDREC_CMD_SAMP_RATE_INDX_11025; - audio->channel_mode = AUDREC_CMD_STEREO_MODE_MONO; - audio->buffer_size = MONO_DATA_SIZE; - audio->type = AUDREC_CMD_TYPE_0_INDEX_WAV; - - rc = audmgr_open(&audio->audmgr); - if (rc) - goto done; - rc = msm_adsp_get("AUDPREPROCTASK", &audio->audpre, - &audpre_adsp_ops, audio); - if (rc) - goto done; - rc = msm_adsp_get("AUDRECTASK", &audio->audrec, - &audrec_adsp_ops, audio); - if (rc) - goto done; - - audio->dsp_cnt = 0; - audio->stopped = 0; - - audio_flush(audio); - - file->private_data = audio; - audio->opened = 1; - rc = 0; -done: - mutex_unlock(&audio->lock); - return rc; -} - -static long audpre_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - struct audio_in *audio = file->private_data; - int rc = 0, enable; - uint16_t enable_mask; -#if DEBUG - int i; -#endif - - mutex_lock(&audio->lock); - switch (cmd) { - case AUDIO_ENABLE_AUDPRE: { - if (copy_from_user(&enable_mask, (void *) arg, - sizeof(enable_mask))) - goto out_fault; - - enable = (enable_mask & AGC_ENABLE) ? 1 : 0; - audio_enable_agc(audio, enable); - enable = (enable_mask & NS_ENABLE) ? 1 : 0; - audio_enable_ns(audio, enable); - enable = (enable_mask & IIR_ENABLE) ? 1 : 0; - audio_enable_tx_iir(audio, enable); - break; - } - case AUDIO_SET_AGC: { - if (copy_from_user(&audio->agc, (void *) arg, - sizeof(audio->agc))) - goto out_fault; -#if DEBUG - pr_info("set agc\n"); - for (i = 0; i < AGC_PARAM_SIZE; i++) \ - pr_info("agc_params[%d] = 0x%04x\n", i, - audio->agc.agc_params[i]); -#endif - break; - } - case AUDIO_SET_NS: { - if (copy_from_user(&audio->ns, (void *) arg, - sizeof(audio->ns))) - goto out_fault; -#if DEBUG - pr_info("set ns\n"); - for (i = 0; i < NS_PARAM_SIZE; i++) \ - pr_info("ns_params[%d] = 0x%04x\n", - i, audio->ns.ns_params[i]); -#endif - break; - } - case AUDIO_SET_TX_IIR: { - if (copy_from_user(&audio->iir, (void *) arg, - sizeof(audio->iir))) - goto out_fault; -#if DEBUG - pr_info("set iir\n"); - pr_info("iir.num_bands = 0x%04x\n", audio->iir.num_bands); - for (i = 0; i < IIR_PARAM_SIZE; i++) \ - pr_info("iir_params[%d] = 0x%04x\n", - i, audio->iir.iir_params[i]); -#endif - break; - } - default: - rc = -EINVAL; - } - - goto out; - -out_fault: - rc = -EFAULT; -out: - mutex_unlock(&audio->lock); - return rc; -} - -static int audpre_open(struct inode *inode, struct file *file) -{ - struct audio_in *audio = &the_audio_in; - file->private_data = audio; - return 0; -} - -static struct file_operations audio_fops = { - .owner = THIS_MODULE, - .open = audio_in_open, - .release = audio_in_release, - .read = audio_in_read, - .write = audio_in_write, - .unlocked_ioctl = audio_in_ioctl, - .llseek = noop_llseek, -}; - -static struct file_operations audpre_fops = { - .owner = THIS_MODULE, - .open = audpre_open, - .unlocked_ioctl = audpre_ioctl, - .llseek = noop_llseek, -}; - -struct miscdevice audio_in_misc = { - .minor = MISC_DYNAMIC_MINOR, - .name = "msm_pcm_in", - .fops = &audio_fops, -}; - -struct miscdevice audpre_misc = { - .minor = MISC_DYNAMIC_MINOR, - .name = "msm_audpre", - .fops = &audpre_fops, -}; - -static int __init audio_in_init(void) -{ - int rc; - the_audio_in.data = dma_alloc_coherent(NULL, DMASZ, - &the_audio_in.phys, GFP_KERNEL); - if (!the_audio_in.data) { - printk(KERN_ERR "%s: Unable to allocate DMA buffer\n", - __func__); - return -ENOMEM; - } - - mutex_init(&the_audio_in.lock); - mutex_init(&the_audio_in.read_lock); - spin_lock_init(&the_audio_in.dsp_lock); - init_waitqueue_head(&the_audio_in.wait); - rc = misc_register(&audio_in_misc); - if (!rc) { - rc = misc_register(&audpre_misc); - if (rc < 0) - misc_deregister(&audio_in_misc); - } - return rc; -} - -device_initcall(audio_in_init); |