Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1 | /* arch/arm/mach-msm/qdsp5/audio_qcelp_in.c |
| 2 | * |
| 3 | * qcelp audio input device |
| 4 | * |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 5 | * Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved. |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 6 | * |
| 7 | * This code is based in part on arch/arm/mach-msm/qdsp5v2/audio_qcelp_in.c, |
| 8 | * Copyright (C) 2008 Google, Inc. |
| 9 | * Copyright (C) 2008 HTC Corporation |
| 10 | * |
| 11 | * This software is licensed under the terms of the GNU General Public |
| 12 | * License version 2, as published by the Free Software Foundation, and |
| 13 | * may be copied, distributed, and modified under those terms. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/fs.h> |
| 24 | #include <linux/miscdevice.h> |
| 25 | #include <linux/uaccess.h> |
| 26 | #include <linux/kthread.h> |
| 27 | #include <linux/wait.h> |
| 28 | #include <linux/dma-mapping.h> |
| 29 | |
| 30 | #include <linux/delay.h> |
| 31 | |
| 32 | #include <linux/msm_audio_qcp.h> |
| 33 | |
Santosh Mardi | 7faa0fa | 2011-09-22 15:32:23 +0530 | [diff] [blame] | 34 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 35 | #include <linux/memory_alloc.h> |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 36 | #include <linux/ion.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 37 | |
| 38 | #include <asm/atomic.h> |
| 39 | #include <asm/ioctls.h> |
Santosh Mardi | 7faa0fa | 2011-09-22 15:32:23 +0530 | [diff] [blame] | 40 | |
| 41 | #include <mach/msm_memtypes.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 42 | #include <mach/msm_adsp.h> |
| 43 | #include <mach/msm_rpcrouter.h> |
Santosh Mardi | 7faa0fa | 2011-09-22 15:32:23 +0530 | [diff] [blame] | 44 | #include <mach/iommu.h> |
| 45 | #include <mach/iommu_domains.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 46 | #include "audmgr.h" |
| 47 | |
| 48 | #include <mach/qdsp5/qdsp5audpreproc.h> |
| 49 | #include <mach/qdsp5/qdsp5audpreproccmdi.h> |
| 50 | #include <mach/qdsp5/qdsp5audpreprocmsg.h> |
| 51 | #include <mach/qdsp5/qdsp5audreccmdi.h> |
| 52 | #include <mach/qdsp5/qdsp5audrecmsg.h> |
| 53 | #include <mach/debug_mm.h> |
| 54 | |
| 55 | #define FRAME_HEADER_SIZE 8 /* 8 bytes frame header */ |
| 56 | #define NT_FRAME_HEADER_SIZE 24 /* 24 bytes frame header */ |
| 57 | /* FRAME_NUM must be a power of two */ |
| 58 | #define FRAME_NUM 8 |
| 59 | #define QCELP_FRAME_SIZE 36 /* 36 bytes data */ |
| 60 | /*Tunnel mode : 36 bytes data + 8 byte header*/ |
| 61 | #define FRAME_SIZE (QCELP_FRAME_SIZE + FRAME_HEADER_SIZE) |
| 62 | /* 36 bytes data + 24 meta field*/ |
| 63 | #define NT_FRAME_SIZE (QCELP_FRAME_SIZE + NT_FRAME_HEADER_SIZE) |
| 64 | #define DMASZ (FRAME_SIZE * FRAME_NUM) |
| 65 | #define NT_DMASZ (NT_FRAME_SIZE * FRAME_NUM) |
| 66 | #define OUT_FRAME_NUM 2 |
| 67 | #define OUT_BUFFER_SIZE (4 * 1024 + NT_FRAME_HEADER_SIZE) |
| 68 | #define BUFFER_SIZE (OUT_BUFFER_SIZE * OUT_FRAME_NUM) |
| 69 | |
| 70 | /* Offset from beginning of buffer*/ |
| 71 | #define AUDPREPROC_QCELP_EOS_FLG_OFFSET 0x0A |
| 72 | #define AUDPREPROC_QCELP_EOS_FLG_MASK 0x01 |
| 73 | #define AUDPREPROC_QCELP_EOS_NONE 0x0 /* No EOS detected */ |
| 74 | #define AUDPREPROC_QCELP_EOS_SET 0x1 /* EOS set in meta field */ |
| 75 | |
| 76 | struct buffer { |
| 77 | void *data; |
| 78 | uint32_t size; |
| 79 | uint32_t read; |
| 80 | uint32_t addr; |
| 81 | uint32_t used; |
| 82 | uint32_t mfield_sz; |
| 83 | }; |
| 84 | |
| 85 | struct audio_qcelp_in { |
| 86 | struct buffer in[FRAME_NUM]; |
| 87 | |
| 88 | spinlock_t dsp_lock; |
| 89 | |
| 90 | atomic_t in_bytes; |
| 91 | atomic_t in_samples; |
| 92 | |
| 93 | struct mutex lock; |
| 94 | struct mutex read_lock; |
| 95 | wait_queue_head_t wait; |
| 96 | wait_queue_head_t wait_enable; |
| 97 | /*write section*/ |
| 98 | struct buffer out[OUT_FRAME_NUM]; |
| 99 | |
| 100 | uint8_t out_head; |
| 101 | uint8_t out_tail; |
| 102 | uint8_t out_needed; /* number of buffers the dsp is waiting for */ |
| 103 | uint32_t out_count; |
| 104 | |
| 105 | struct mutex write_lock; |
| 106 | wait_queue_head_t write_wait; |
| 107 | int32_t out_phys; /* physical address of write buffer */ |
| 108 | char *out_data; |
| 109 | int mfield; /* meta field embedded in data */ |
| 110 | int wflush; /*write flush */ |
| 111 | int rflush; /*read flush*/ |
| 112 | int out_frame_cnt; |
| 113 | |
| 114 | struct msm_adsp_module *audrec; |
| 115 | struct msm_adsp_module *audpre; |
| 116 | |
| 117 | |
| 118 | /* configuration to use on next enable */ |
| 119 | uint32_t samp_rate; |
| 120 | uint32_t channel_mode; |
| 121 | uint32_t buffer_size; /* Frame size (36 bytes) */ |
| 122 | uint32_t enc_type; /* 11 for QCELP */ |
| 123 | uint32_t mode; /* T or NT Mode*/ |
| 124 | |
| 125 | struct msm_audio_qcelp_enc_config cfg; |
| 126 | |
| 127 | uint32_t dsp_cnt; |
| 128 | uint32_t in_head; /* next buffer dsp will write */ |
| 129 | uint32_t in_tail; /* next buffer read() will read */ |
| 130 | uint32_t in_count; /* number of buffers available to read() */ |
| 131 | |
| 132 | uint32_t eos_ack; |
| 133 | uint32_t flush_ack; |
| 134 | |
| 135 | const char *module_name; |
| 136 | unsigned queue_ids; |
| 137 | uint16_t enc_id; /* Session Id */ |
| 138 | |
| 139 | unsigned short samp_rate_index; |
| 140 | uint32_t audrec_obj_idx ; |
| 141 | |
| 142 | struct audmgr audmgr; |
| 143 | |
| 144 | /* data allocated for various buffers */ |
| 145 | char *data; |
| 146 | dma_addr_t phys; |
| 147 | |
Laura Abbott | 35111d3 | 2012-04-27 18:41:48 -0700 | [diff] [blame] | 148 | void *map_v_read; |
| 149 | void *map_v_write; |
Santosh Mardi | 7faa0fa | 2011-09-22 15:32:23 +0530 | [diff] [blame] | 150 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 151 | int opened; |
| 152 | int enabled; |
| 153 | int running; |
| 154 | int stopped; /* set when stopped, cleared on flush */ |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 155 | struct ion_client *client; |
| 156 | struct ion_handle *input_buff_handle; |
| 157 | struct ion_handle *output_buff_handle; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 158 | }; |
| 159 | |
| 160 | struct audio_frame { |
| 161 | uint16_t frame_count_lsw; |
| 162 | uint16_t frame_count_msw; |
| 163 | uint16_t frame_length; |
| 164 | uint16_t erased_pcm; |
| 165 | unsigned char raw_bitstream[]; |
| 166 | } __packed; |
| 167 | |
| 168 | struct audio_frame_nt { |
| 169 | uint16_t metadata_len; |
| 170 | uint16_t frame_count_lsw; |
| 171 | uint16_t frame_count_msw; |
| 172 | uint16_t frame_length; |
| 173 | uint16_t erased_pcm; |
| 174 | uint16_t reserved; |
| 175 | uint16_t time_stamp_dword_lsw; |
| 176 | uint16_t time_stamp_dword_msw; |
| 177 | uint16_t time_stamp_lsw; |
| 178 | uint16_t time_stamp_msw; |
| 179 | uint16_t nflag_lsw; |
| 180 | uint16_t nflag_msw; |
| 181 | unsigned char raw_bitstream[]; /* samples */ |
| 182 | } __packed; |
| 183 | |
| 184 | struct qcelp_encoded_meta_out { |
| 185 | uint16_t metadata_len; |
| 186 | uint16_t time_stamp_dword_lsw; |
| 187 | uint16_t time_stamp_dword_msw; |
| 188 | uint16_t time_stamp_lsw; |
| 189 | uint16_t time_stamp_msw; |
| 190 | uint16_t nflag_lsw; |
| 191 | uint16_t nflag_msw; |
| 192 | }; |
| 193 | |
| 194 | /* Audrec Queue command sent macro's */ |
| 195 | #define audio_send_queue_pre(audio, cmd, len) \ |
| 196 | msm_adsp_write(audio->audpre, QDSP_uPAudPreProcCmdQueue, cmd, len) |
| 197 | |
| 198 | #define audio_send_queue_recbs(audio, cmd, len) \ |
| 199 | msm_adsp_write(audio->audrec, ((audio->queue_ids & 0xFFFF0000) >> 16),\ |
| 200 | cmd, len) |
| 201 | #define audio_send_queue_rec(audio, cmd, len) \ |
| 202 | msm_adsp_write(audio->audrec, (audio->queue_ids & 0x0000FFFF),\ |
| 203 | cmd, len) |
| 204 | |
| 205 | static int audqcelp_in_dsp_enable(struct audio_qcelp_in *audio, int enable); |
| 206 | static int audqcelp_in_encparam_config(struct audio_qcelp_in *audio); |
| 207 | static int audqcelp_in_encmem_config(struct audio_qcelp_in *audio); |
| 208 | static int audqcelp_in_dsp_read_buffer(struct audio_qcelp_in *audio, |
| 209 | uint32_t read_cnt); |
| 210 | static void audqcelp_in_flush(struct audio_qcelp_in *audio); |
| 211 | |
| 212 | static void audqcelp_in_get_dsp_frames(struct audio_qcelp_in *audio); |
| 213 | static int audpcm_config(struct audio_qcelp_in *audio); |
| 214 | static void audqcelp_out_flush(struct audio_qcelp_in *audio); |
| 215 | static int audqcelp_in_routing_mode_config(struct audio_qcelp_in *audio); |
| 216 | static void audrec_pcm_send_data(struct audio_qcelp_in *audio, unsigned needed); |
| 217 | static void audqcelp_nt_in_get_dsp_frames(struct audio_qcelp_in *audio); |
| 218 | static void audqcelp_in_flush(struct audio_qcelp_in *audio); |
| 219 | |
| 220 | static unsigned convert_samp_index(unsigned index) |
| 221 | { |
| 222 | switch (index) { |
| 223 | case RPC_AUD_DEF_SAMPLE_RATE_48000: return 48000; |
| 224 | case RPC_AUD_DEF_SAMPLE_RATE_44100: return 44100; |
| 225 | case RPC_AUD_DEF_SAMPLE_RATE_32000: return 32000; |
| 226 | case RPC_AUD_DEF_SAMPLE_RATE_24000: return 24000; |
| 227 | case RPC_AUD_DEF_SAMPLE_RATE_22050: return 22050; |
| 228 | case RPC_AUD_DEF_SAMPLE_RATE_16000: return 16000; |
| 229 | case RPC_AUD_DEF_SAMPLE_RATE_12000: return 12000; |
| 230 | case RPC_AUD_DEF_SAMPLE_RATE_11025: return 11025; |
| 231 | case RPC_AUD_DEF_SAMPLE_RATE_8000: return 8000; |
| 232 | default: return 11025; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | /* must be called with audio->lock held */ |
| 237 | static int audqcelp_in_enable(struct audio_qcelp_in *audio) |
| 238 | { |
| 239 | struct audmgr_config cfg; |
| 240 | int rc; |
| 241 | |
| 242 | if (audio->enabled) |
| 243 | return 0; |
| 244 | |
| 245 | cfg.tx_rate = audio->samp_rate; |
| 246 | cfg.rx_rate = RPC_AUD_DEF_SAMPLE_RATE_NONE; |
| 247 | cfg.def_method = RPC_AUD_DEF_METHOD_RECORD; |
| 248 | cfg.codec = RPC_AUD_DEF_CODEC_13K; |
| 249 | cfg.snd_method = RPC_SND_METHOD_MIDI; |
| 250 | |
| 251 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) { |
| 252 | rc = audmgr_enable(&audio->audmgr, &cfg); |
| 253 | if (rc < 0) |
| 254 | return rc; |
| 255 | |
| 256 | if (msm_adsp_enable(audio->audpre)) { |
| 257 | audmgr_disable(&audio->audmgr); |
| 258 | MM_ERR("msm_adsp_enable(audpre) failed\n"); |
| 259 | return -ENODEV; |
| 260 | } |
| 261 | } |
| 262 | if (msm_adsp_enable(audio->audrec)) { |
| 263 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) { |
| 264 | audmgr_disable(&audio->audmgr); |
| 265 | msm_adsp_disable(audio->audpre); |
| 266 | } |
| 267 | MM_ERR("msm_adsp_enable(audrec) failed\n"); |
| 268 | return -ENODEV; |
| 269 | } |
| 270 | |
| 271 | audio->enabled = 1; |
| 272 | audqcelp_in_dsp_enable(audio, 1); |
| 273 | |
| 274 | return 0; |
| 275 | } |
| 276 | |
| 277 | /* must be called with audio->lock held */ |
| 278 | static int audqcelp_in_disable(struct audio_qcelp_in *audio) |
| 279 | { |
| 280 | if (audio->enabled) { |
| 281 | audio->enabled = 0; |
| 282 | |
| 283 | audqcelp_in_dsp_enable(audio, 0); |
| 284 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 285 | wait_event_interruptible_timeout(audio->wait_enable, |
| 286 | audio->running == 0, 1*HZ); |
Manish Dewangan | 89a9f23 | 2012-02-09 17:14:40 +0530 | [diff] [blame] | 287 | audio->stopped = 1; |
| 288 | wake_up(&audio->wait); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 289 | msm_adsp_disable(audio->audrec); |
| 290 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) { |
| 291 | msm_adsp_disable(audio->audpre); |
| 292 | audmgr_disable(&audio->audmgr); |
| 293 | } |
| 294 | } |
| 295 | return 0; |
| 296 | } |
| 297 | |
| 298 | /* ------------------- dsp --------------------- */ |
| 299 | static void audpre_dsp_event(void *data, unsigned id, size_t len, |
| 300 | void (*getevent)(void *ptr, size_t len)) |
| 301 | { |
| 302 | uint16_t msg[2]; |
| 303 | getevent(msg, sizeof(msg)); |
| 304 | |
| 305 | switch (id) { |
| 306 | case AUDPREPROC_MSG_CMD_CFG_DONE_MSG: |
| 307 | MM_DBG("type %d, status_flag %d\n", msg[0], msg[1]); |
| 308 | break; |
| 309 | case AUDPREPROC_MSG_ERROR_MSG_ID: |
| 310 | MM_ERR("err_index %d\n", msg[0]); |
| 311 | break; |
| 312 | case ADSP_MESSAGE_ID: |
| 313 | MM_DBG("Received ADSP event: module enable(audpreproctask)\n"); |
| 314 | break; |
| 315 | default: |
| 316 | MM_ERR("unknown event %d\n", id); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | static void audqcelp_in_get_dsp_frames(struct audio_qcelp_in *audio) |
| 321 | { |
| 322 | struct audio_frame *frame; |
| 323 | uint32_t index; |
| 324 | unsigned long flags; |
| 325 | |
| 326 | index = audio->in_head; |
| 327 | |
| 328 | frame = (void *) (((char *)audio->in[index].data) - |
| 329 | sizeof(*frame)); |
| 330 | spin_lock_irqsave(&audio->dsp_lock, flags); |
| 331 | audio->in[index].size = frame->frame_length; |
| 332 | |
| 333 | /* statistics of read */ |
| 334 | atomic_add(audio->in[index].size, &audio->in_bytes); |
| 335 | atomic_add(1, &audio->in_samples); |
| 336 | |
| 337 | audio->in_head = (audio->in_head + 1) & (FRAME_NUM - 1); |
| 338 | |
| 339 | /* If overflow, move the tail index foward. */ |
| 340 | if (audio->in_head == audio->in_tail) { |
| 341 | MM_ERR("Error! not able to keep up the read\n"); |
| 342 | audio->in_tail = (audio->in_tail + 1) & (FRAME_NUM - 1); |
| 343 | MM_ERR("in_count = %d\n", audio->in_count); |
| 344 | } else |
| 345 | audio->in_count++; |
| 346 | |
| 347 | audqcelp_in_dsp_read_buffer(audio, audio->dsp_cnt++); |
| 348 | spin_unlock_irqrestore(&audio->dsp_lock, flags); |
| 349 | |
| 350 | wake_up(&audio->wait); |
| 351 | } |
| 352 | |
| 353 | static void audqcelp_nt_in_get_dsp_frames(struct audio_qcelp_in *audio) |
| 354 | { |
| 355 | struct audio_frame_nt *nt_frame; |
| 356 | uint32_t index; |
| 357 | unsigned long flags; |
| 358 | |
| 359 | index = audio->in_head; |
| 360 | nt_frame = (void *) (((char *)audio->in[index].data) - \ |
| 361 | sizeof(struct audio_frame_nt)); |
| 362 | spin_lock_irqsave(&audio->dsp_lock, flags); |
| 363 | audio->in[index].size = nt_frame->frame_length; |
| 364 | /* statistics of read */ |
| 365 | atomic_add(audio->in[index].size, &audio->in_bytes); |
| 366 | atomic_add(1, &audio->in_samples); |
| 367 | |
| 368 | audio->in_head = (audio->in_head + 1) & (FRAME_NUM - 1); |
| 369 | |
| 370 | /* If overflow, move the tail index foward. */ |
| 371 | if (audio->in_head == audio->in_tail) |
| 372 | MM_DBG("Error! not able to keep up the read\n"); |
| 373 | else |
| 374 | audio->in_count++; |
| 375 | |
| 376 | spin_unlock_irqrestore(&audio->dsp_lock, flags); |
| 377 | wake_up(&audio->wait); |
| 378 | } |
| 379 | |
| 380 | static int audrec_pcm_buffer_ptr_refresh(struct audio_qcelp_in *audio, |
| 381 | unsigned idx, unsigned len) |
| 382 | { |
| 383 | struct audrec_cmd_pcm_buffer_ptr_refresh_arm_enc cmd; |
| 384 | |
| 385 | if (len == NT_FRAME_HEADER_SIZE) |
| 386 | len = len / 2; |
| 387 | else |
| 388 | len = (len + NT_FRAME_HEADER_SIZE) / 2; |
| 389 | MM_DBG("len = %d\n", len); |
| 390 | memset(&cmd, 0, sizeof(cmd)); |
| 391 | cmd.cmd_id = AUDREC_CMD_PCM_BUFFER_PTR_REFRESH_ARM_TO_ENC; |
| 392 | cmd.num_buffers = 1; |
| 393 | if (cmd.num_buffers == 1) { |
| 394 | cmd.buf_address_length[0] = (audio->out[idx].addr & |
| 395 | 0xffff0000) >> 16; |
| 396 | cmd.buf_address_length[1] = (audio->out[idx].addr & |
| 397 | 0x0000ffff); |
| 398 | cmd.buf_address_length[2] = (len & 0xffff0000) >> 16; |
| 399 | cmd.buf_address_length[3] = (len & 0x0000ffff); |
| 400 | } |
| 401 | audio->out_frame_cnt++; |
| 402 | return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); |
| 403 | } |
| 404 | |
| 405 | static int audpcm_config(struct audio_qcelp_in *audio) |
| 406 | { |
| 407 | struct audrec_cmd_pcm_cfg_arm_to_enc cmd; |
| 408 | MM_DBG("\n"); |
| 409 | memset(&cmd, 0, sizeof(cmd)); |
| 410 | cmd.cmd_id = AUDREC_CMD_PCM_CFG_ARM_TO_ENC; |
| 411 | cmd.config_update_flag = AUDREC_PCM_CONFIG_UPDATE_FLAG_ENABLE; |
| 412 | cmd.enable_flag = AUDREC_ENABLE_FLAG_VALUE; |
| 413 | cmd.sampling_freq = convert_samp_index(audio->samp_rate); |
| 414 | if (!audio->channel_mode) |
| 415 | cmd.channels = 1; |
| 416 | else |
| 417 | cmd.channels = 2; |
| 418 | cmd.frequency_of_intimation = 1; |
| 419 | cmd.max_number_of_buffers = OUT_FRAME_NUM; |
| 420 | return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); |
| 421 | } |
| 422 | |
| 423 | |
| 424 | static int audqcelp_in_routing_mode_config(struct audio_qcelp_in *audio) |
| 425 | { |
| 426 | struct audrec_cmd_routing_mode cmd; |
| 427 | |
| 428 | MM_DBG("\n"); |
| 429 | memset(&cmd, 0, sizeof(cmd)); |
| 430 | cmd.cmd_id = AUDREC_CMD_ROUTING_MODE; |
| 431 | if (audio->mode == MSM_AUD_ENC_MODE_NONTUNNEL) |
| 432 | cmd.routing_mode = 1; |
| 433 | return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); |
| 434 | } |
| 435 | |
| 436 | static void audrec_dsp_event(void *data, unsigned id, size_t len, |
| 437 | void (*getevent)(void *ptr, size_t len)) |
| 438 | { |
| 439 | struct audio_qcelp_in *audio = NULL; |
| 440 | |
| 441 | if (data) |
| 442 | audio = data; |
| 443 | else { |
| 444 | MM_ERR("invalid data for event %x\n", id); |
| 445 | return; |
| 446 | } |
| 447 | |
| 448 | switch (id) { |
| 449 | case AUDREC_MSG_CMD_CFG_DONE_MSG: { |
| 450 | struct audrec_msg_cmd_cfg_done_msg cmd_cfg_done_msg; |
| 451 | getevent(&cmd_cfg_done_msg, AUDREC_MSG_CMD_CFG_DONE_MSG_LEN); |
| 452 | if (cmd_cfg_done_msg.audrec_enc_type & \ |
| 453 | AUDREC_MSG_CFG_DONE_ENC_ENA) { |
| 454 | audio->audrec_obj_idx = cmd_cfg_done_msg.audrec_obj_idx; |
| 455 | MM_DBG("CFG ENABLED\n"); |
| 456 | if (audio->mode == MSM_AUD_ENC_MODE_NONTUNNEL) { |
| 457 | MM_DBG("routing command\n"); |
| 458 | audqcelp_in_routing_mode_config(audio); |
| 459 | } else { |
| 460 | audqcelp_in_encmem_config(audio); |
| 461 | } |
| 462 | } else { |
| 463 | MM_DBG("CFG SLEEP\n"); |
| 464 | audio->running = 0; |
| 465 | wake_up(&audio->wait_enable); |
| 466 | } |
| 467 | break; |
| 468 | } |
| 469 | case AUDREC_MSG_CMD_ROUTING_MODE_DONE_MSG: { |
| 470 | struct audrec_msg_cmd_routing_mode_done_msg \ |
| 471 | routing_msg; |
| 472 | getevent(&routing_msg, AUDREC_MSG_CMD_ROUTING_MODE_DONE_MSG); |
| 473 | MM_DBG("AUDREC_MSG_CMD_ROUTING_MODE_DONE_MSG"); |
| 474 | if (routing_msg.configuration == 0) { |
| 475 | MM_ERR("routing configuration failed\n"); |
| 476 | audio->running = 0; |
| 477 | wake_up(&audio->wait_enable); |
| 478 | } else |
| 479 | audqcelp_in_encmem_config(audio); |
| 480 | break; |
| 481 | } |
| 482 | case AUDREC_MSG_CMD_AREC_MEM_CFG_DONE_MSG: { |
| 483 | MM_DBG("AREC_MEM_CFG_DONE_MSG\n"); |
| 484 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) |
| 485 | audqcelp_in_encparam_config(audio); |
| 486 | else |
| 487 | audpcm_config(audio); |
| 488 | break; |
| 489 | } |
| 490 | case AUDREC_CMD_PCM_CFG_ARM_TO_ENC_DONE_MSG: { |
| 491 | MM_DBG("AUDREC_CMD_PCM_CFG_ARM_TO_ENC_DONE_MSG"); |
| 492 | audqcelp_in_encparam_config(audio); |
| 493 | break; |
| 494 | } |
| 495 | case AUDREC_MSG_CMD_AREC_PARAM_CFG_DONE_MSG: { |
| 496 | MM_DBG("AUDREC_MSG_CMD_AREC_PARAM_CFG_DONE_MSG\n"); |
| 497 | audio->running = 1; |
| 498 | wake_up(&audio->wait_enable); |
| 499 | if (audio->mode == MSM_AUD_ENC_MODE_NONTUNNEL) |
| 500 | audrec_pcm_send_data(audio, 1); |
| 501 | break; |
| 502 | } |
| 503 | case AUDREC_CMD_PCM_BUFFER_PTR_UPDATE_ARM_TO_ENC_MSG: { |
| 504 | MM_DBG("ptr_update recieved from DSP\n"); |
| 505 | audrec_pcm_send_data(audio, 1); |
| 506 | break; |
| 507 | } |
| 508 | case AUDREC_MSG_NO_EXT_PKT_AVAILABLE_MSG: { |
| 509 | struct audrec_msg_no_ext_pkt_avail_msg err_msg; |
| 510 | getevent(&err_msg, AUDREC_MSG_NO_EXT_PKT_AVAILABLE_MSG_LEN); |
| 511 | MM_DBG("NO_EXT_PKT_AVAILABLE_MSG %x\n",\ |
| 512 | err_msg.audrec_err_id); |
| 513 | break; |
| 514 | } |
| 515 | case AUDREC_MSG_PACKET_READY_MSG: { |
| 516 | struct audrec_msg_packet_ready_msg pkt_ready_msg; |
| 517 | |
| 518 | getevent(&pkt_ready_msg, AUDREC_MSG_PACKET_READY_MSG_LEN); |
| 519 | MM_DBG("UP_PACKET_READY_MSG: write cnt msw %d \ |
| 520 | write cnt lsw %d read cnt msw %d read cnt lsw %d \n",\ |
| 521 | pkt_ready_msg.pkt_counter_msw, \ |
| 522 | pkt_ready_msg.pkt_counter_lsw, \ |
| 523 | pkt_ready_msg.pkt_read_cnt_msw, \ |
| 524 | pkt_ready_msg.pkt_read_cnt_lsw); |
| 525 | |
| 526 | audqcelp_in_get_dsp_frames(audio); |
| 527 | break; |
| 528 | } |
| 529 | case AUDREC_UP_NT_PACKET_READY_MSG: { |
| 530 | struct audrec_up_nt_packet_ready_msg pkt_ready_msg; |
| 531 | |
| 532 | getevent(&pkt_ready_msg, AUDREC_UP_NT_PACKET_READY_MSG_LEN); |
| 533 | MM_DBG("UP_NT_PACKET_READY_MSG: write cnt lsw %d \ |
| 534 | write cnt msw %d read cnt lsw %d read cnt msw %d \n",\ |
| 535 | pkt_ready_msg.audrec_packetwrite_cnt_lsw, \ |
| 536 | pkt_ready_msg.audrec_packetwrite_cnt_msw, \ |
| 537 | pkt_ready_msg.audrec_upprev_readcount_lsw, \ |
| 538 | pkt_ready_msg.audrec_upprev_readcount_msw); |
| 539 | |
| 540 | audqcelp_nt_in_get_dsp_frames(audio); |
| 541 | break; |
| 542 | } |
| 543 | case AUDREC_CMD_FLUSH_DONE_MSG: { |
| 544 | audio->wflush = 0; |
| 545 | audio->rflush = 0; |
| 546 | audio->flush_ack = 1; |
| 547 | wake_up(&audio->write_wait); |
| 548 | MM_DBG("flush ack recieved\n"); |
| 549 | break; |
| 550 | } |
| 551 | case ADSP_MESSAGE_ID: |
| 552 | MM_DBG("Received ADSP event: module \ |
| 553 | enable/disable(audrectask)\n"); |
| 554 | break; |
| 555 | default: |
| 556 | MM_ERR("unknown event %d\n", id); |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | static struct msm_adsp_ops audpre_qcelp_adsp_ops = { |
| 561 | .event = audpre_dsp_event, |
| 562 | }; |
| 563 | |
| 564 | static struct msm_adsp_ops audrec_qcelp_adsp_ops = { |
| 565 | .event = audrec_dsp_event, |
| 566 | }; |
| 567 | |
| 568 | static int audqcelp_in_dsp_enable(struct audio_qcelp_in *audio, int enable) |
| 569 | { |
| 570 | struct audrec_cmd_enc_cfg cmd; |
| 571 | |
| 572 | memset(&cmd, 0, sizeof(cmd)); |
| 573 | cmd.cmd_id = AUDREC_CMD_ENC_CFG; |
| 574 | cmd.audrec_enc_type = (audio->enc_type & 0xFF) | |
| 575 | (enable ? AUDREC_CMD_ENC_ENA : AUDREC_CMD_ENC_DIS); |
| 576 | /* Don't care */ |
| 577 | cmd.audrec_obj_idx = audio->audrec_obj_idx; |
| 578 | |
| 579 | return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); |
| 580 | } |
| 581 | |
| 582 | static int audqcelp_in_encmem_config(struct audio_qcelp_in *audio) |
| 583 | { |
| 584 | struct audrec_cmd_arecmem_cfg cmd; |
| 585 | uint16_t *data = (void *) audio->data; |
| 586 | int n; |
| 587 | int header_len = 0; |
| 588 | |
| 589 | memset(&cmd, 0, sizeof(cmd)); |
| 590 | |
| 591 | cmd.cmd_id = AUDREC_CMD_ARECMEM_CFG; |
| 592 | cmd.audrec_obj_idx = audio->audrec_obj_idx; |
| 593 | /* Rate at which packet complete message comes */ |
| 594 | cmd.audrec_up_pkt_intm_cnt = 1; |
| 595 | cmd.audrec_extpkt_buffer_msw = audio->phys >> 16; |
| 596 | cmd.audrec_extpkt_buffer_lsw = audio->phys; |
| 597 | /* Max Buffer no available for frames */ |
| 598 | cmd.audrec_extpkt_buffer_num = FRAME_NUM; |
| 599 | |
| 600 | /* prepare buffer pointers: |
| 601 | * T:36 bytes qcelp packet + 4 halfword header |
| 602 | * NT:36 bytes qcelp packet + 12 halfword header |
| 603 | */ |
| 604 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) |
| 605 | header_len = FRAME_HEADER_SIZE/2; |
| 606 | else |
| 607 | header_len = NT_FRAME_HEADER_SIZE/2; |
| 608 | |
| 609 | for (n = 0; n < FRAME_NUM; n++) { |
| 610 | audio->in[n].data = data + header_len; |
| 611 | data += (QCELP_FRAME_SIZE/2) + header_len; |
| 612 | MM_DBG("0x%8x\n", (int)(audio->in[n].data - header_len*2)); |
| 613 | } |
| 614 | |
| 615 | return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); |
| 616 | } |
| 617 | |
| 618 | static int audqcelp_in_encparam_config(struct audio_qcelp_in *audio) |
| 619 | { |
| 620 | struct audrec_cmd_arecparam_qcelp_cfg cmd; |
| 621 | |
| 622 | memset(&cmd, 0, sizeof(cmd)); |
| 623 | cmd.common.cmd_id = AUDREC_CMD_ARECPARAM_CFG; |
| 624 | cmd.common.audrec_obj_idx = audio->audrec_obj_idx; |
| 625 | cmd.enc_min_rate = audio->cfg.min_bit_rate; |
| 626 | cmd.enc_max_rate = audio->cfg.max_bit_rate; |
| 627 | cmd.rate_modulation_cmd = 0; /* Default set to 0 */ |
| 628 | cmd.reduced_rate_level = 0; /* Default set to 0 */ |
| 629 | |
| 630 | return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); |
| 631 | } |
| 632 | |
| 633 | static int audqcelp_flush_command(struct audio_qcelp_in *audio) |
| 634 | { |
| 635 | struct audrec_cmd_flush cmd; |
| 636 | MM_DBG("\n"); |
| 637 | memset(&cmd, 0, sizeof(cmd)); |
| 638 | cmd.cmd_id = AUDREC_CMD_FLUSH; |
| 639 | return audio_send_queue_rec(audio, &cmd, sizeof(cmd)); |
| 640 | } |
| 641 | |
| 642 | static int audqcelp_in_dsp_read_buffer(struct audio_qcelp_in *audio, |
| 643 | uint32_t read_cnt) |
| 644 | { |
| 645 | audrec_cmd_packet_ext_ptr cmd; |
| 646 | |
| 647 | memset(&cmd, 0, sizeof(cmd)); |
| 648 | cmd.cmd_id = AUDREC_CMD_PACKET_EXT_PTR; |
| 649 | cmd.type = audio->audrec_obj_idx; |
| 650 | cmd.curr_rec_count_msw = read_cnt >> 16; |
| 651 | cmd.curr_rec_count_lsw = read_cnt; |
| 652 | |
| 653 | return audio_send_queue_recbs(audio, &cmd, sizeof(cmd)); |
| 654 | } |
| 655 | |
| 656 | /* ------------------- device --------------------- */ |
| 657 | |
| 658 | static void audqcelp_ioport_reset(struct audio_qcelp_in *audio) |
| 659 | { |
| 660 | /* Make sure read/write thread are free from |
| 661 | * sleep and knowing that system is not able |
| 662 | * to process io request at the moment |
| 663 | */ |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 664 | wake_up(&audio->wait); |
| 665 | mutex_lock(&audio->read_lock); |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 666 | audqcelp_in_flush(audio); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 667 | mutex_unlock(&audio->read_lock); |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 668 | wake_up(&audio->write_wait); |
| 669 | mutex_lock(&audio->write_lock); |
| 670 | audqcelp_out_flush(audio); |
| 671 | mutex_unlock(&audio->write_lock); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 672 | } |
| 673 | |
| 674 | static void audqcelp_in_flush(struct audio_qcelp_in *audio) |
| 675 | { |
| 676 | int i; |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 677 | unsigned long flags; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 678 | |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 679 | audio->eos_ack = 0; |
| 680 | spin_lock_irqsave(&audio->dsp_lock, flags); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 681 | audio->dsp_cnt = 0; |
| 682 | audio->in_head = 0; |
| 683 | audio->in_tail = 0; |
| 684 | audio->in_count = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 685 | for (i = FRAME_NUM-1; i >= 0; i--) { |
| 686 | audio->in[i].size = 0; |
| 687 | audio->in[i].read = 0; |
| 688 | } |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 689 | spin_unlock_irqrestore(&audio->dsp_lock, flags); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 690 | MM_DBG("in_bytes %d\n", atomic_read(&audio->in_bytes)); |
| 691 | MM_DBG("in_samples %d\n", atomic_read(&audio->in_samples)); |
| 692 | atomic_set(&audio->in_bytes, 0); |
| 693 | atomic_set(&audio->in_samples, 0); |
| 694 | } |
| 695 | |
| 696 | static void audqcelp_out_flush(struct audio_qcelp_in *audio) |
| 697 | { |
| 698 | int i; |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 699 | unsigned long flags; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 700 | |
| 701 | audio->out_head = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 702 | audio->out_count = 0; |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 703 | spin_lock_irqsave(&audio->dsp_lock, flags); |
| 704 | audio->out_tail = 0; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 705 | for (i = OUT_FRAME_NUM-1; i >= 0; i--) { |
| 706 | audio->out[i].size = 0; |
| 707 | audio->out[i].read = 0; |
| 708 | audio->out[i].used = 0; |
| 709 | } |
Manish Dewangan | a4f1df0 | 2012-02-08 17:06:54 +0530 | [diff] [blame] | 710 | spin_unlock_irqrestore(&audio->dsp_lock, flags); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 711 | } |
| 712 | |
| 713 | /* ------------------- device --------------------- */ |
| 714 | static long audqcelp_in_ioctl(struct file *file, |
| 715 | unsigned int cmd, unsigned long arg) |
| 716 | { |
| 717 | struct audio_qcelp_in *audio = file->private_data; |
| 718 | int rc = 0; |
| 719 | |
| 720 | MM_DBG("\n"); |
| 721 | if (cmd == AUDIO_GET_STATS) { |
| 722 | struct msm_audio_stats stats; |
| 723 | stats.byte_count = atomic_read(&audio->in_bytes); |
| 724 | stats.sample_count = atomic_read(&audio->in_samples); |
| 725 | if (copy_to_user((void *) arg, &stats, sizeof(stats))) |
| 726 | return -EFAULT; |
| 727 | return rc; |
| 728 | } |
| 729 | |
| 730 | mutex_lock(&audio->lock); |
| 731 | switch (cmd) { |
| 732 | case AUDIO_START: { |
| 733 | rc = audqcelp_in_enable(audio); |
| 734 | if (!rc) { |
| 735 | rc = |
| 736 | wait_event_interruptible_timeout(audio->wait_enable, |
| 737 | audio->running != 0, 1*HZ); |
| 738 | MM_DBG("state %d rc = %d\n", audio->running, rc); |
| 739 | |
| 740 | if (audio->running == 0) |
| 741 | rc = -ENODEV; |
| 742 | else |
| 743 | rc = 0; |
| 744 | } |
| 745 | audio->stopped = 0; |
| 746 | break; |
| 747 | } |
| 748 | case AUDIO_STOP: { |
| 749 | rc = audqcelp_in_disable(audio); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 750 | break; |
| 751 | } |
| 752 | case AUDIO_FLUSH: { |
| 753 | MM_DBG("AUDIO_FLUSH\n"); |
| 754 | audio->rflush = 1; |
| 755 | audio->wflush = 1; |
| 756 | audqcelp_ioport_reset(audio); |
| 757 | if (audio->running) { |
| 758 | audqcelp_flush_command(audio); |
| 759 | rc = wait_event_interruptible(audio->write_wait, |
| 760 | !audio->wflush); |
| 761 | if (rc < 0) { |
| 762 | MM_ERR("AUDIO_FLUSH interrupted\n"); |
| 763 | rc = -EINTR; |
| 764 | } |
| 765 | } else { |
| 766 | audio->rflush = 0; |
| 767 | audio->wflush = 0; |
| 768 | } |
| 769 | break; |
| 770 | } |
| 771 | case AUDIO_GET_CONFIG: { |
| 772 | struct msm_audio_config cfg; |
| 773 | memset(&cfg, 0, sizeof(cfg)); |
| 774 | cfg.buffer_size = OUT_BUFFER_SIZE; |
| 775 | cfg.buffer_count = OUT_FRAME_NUM; |
| 776 | cfg.sample_rate = convert_samp_index(audio->samp_rate); |
| 777 | cfg.channel_count = 1; |
| 778 | cfg.type = 0; |
| 779 | cfg.unused[0] = 0; |
| 780 | cfg.unused[1] = 0; |
| 781 | cfg.unused[2] = 0; |
| 782 | if (copy_to_user((void *) arg, &cfg, sizeof(cfg))) |
| 783 | rc = -EFAULT; |
| 784 | else |
| 785 | rc = 0; |
| 786 | break; |
| 787 | } |
| 788 | case AUDIO_GET_STREAM_CONFIG: { |
| 789 | struct msm_audio_stream_config cfg; |
| 790 | memset(&cfg, 0, sizeof(cfg)); |
| 791 | cfg.buffer_size = audio->buffer_size; |
| 792 | cfg.buffer_count = FRAME_NUM; |
| 793 | if (copy_to_user((void *)arg, &cfg, sizeof(cfg))) |
| 794 | rc = -EFAULT; |
| 795 | else |
| 796 | rc = 0; |
| 797 | break; |
| 798 | } |
| 799 | case AUDIO_SET_STREAM_CONFIG: { |
| 800 | struct msm_audio_stream_config cfg; |
| 801 | if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) { |
| 802 | rc = -EFAULT; |
| 803 | break; |
| 804 | } |
| 805 | /* Allow only single frame */ |
| 806 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) { |
Phani Kumar Allada | ee940eb | 2012-05-10 11:13:04 +0530 | [diff] [blame] | 807 | if (cfg.buffer_size != (FRAME_SIZE - 8)) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 808 | rc = -EINVAL; |
| 809 | break; |
Phani Kumar Allada | ee940eb | 2012-05-10 11:13:04 +0530 | [diff] [blame] | 810 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 811 | } else { |
Phani Kumar Allada | ee940eb | 2012-05-10 11:13:04 +0530 | [diff] [blame] | 812 | if (cfg.buffer_size != (QCELP_FRAME_SIZE + 14)) { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 813 | rc = -EINVAL; |
| 814 | break; |
Phani Kumar Allada | ee940eb | 2012-05-10 11:13:04 +0530 | [diff] [blame] | 815 | } |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 816 | } |
| 817 | audio->buffer_size = cfg.buffer_size; |
| 818 | break; |
| 819 | } |
| 820 | case AUDIO_GET_QCELP_ENC_CONFIG: { |
| 821 | if (copy_to_user((void *) arg, &audio->cfg, sizeof(audio->cfg))) |
| 822 | rc = -EFAULT; |
| 823 | break; |
| 824 | } |
| 825 | case AUDIO_SET_QCELP_ENC_CONFIG: { |
| 826 | struct msm_audio_qcelp_enc_config cfg; |
| 827 | if (copy_from_user(&cfg, (void *) arg, sizeof(cfg))) { |
| 828 | rc = -EFAULT; |
| 829 | break; |
| 830 | } |
| 831 | MM_DBG("0X%8x, 0x%8x, 0x%8x\n", cfg.min_bit_rate, |
| 832 | cfg.max_bit_rate, cfg.cdma_rate); |
| 833 | if (cfg.min_bit_rate > CDMA_RATE_FULL || \ |
| 834 | cfg.min_bit_rate < CDMA_RATE_EIGHTH) { |
| 835 | MM_ERR("invalid min bitrate\n"); |
| 836 | rc = -EFAULT; |
| 837 | break; |
| 838 | } |
| 839 | if (cfg.max_bit_rate > CDMA_RATE_FULL || \ |
| 840 | cfg.max_bit_rate < CDMA_RATE_EIGHTH) { |
| 841 | MM_ERR("invalid max bitrate\n"); |
| 842 | rc = -EFAULT; |
| 843 | break; |
| 844 | } |
| 845 | /* Recording Does not support Erase and Blank */ |
| 846 | if (cfg.cdma_rate > CDMA_RATE_FULL || |
| 847 | cfg.cdma_rate < CDMA_RATE_EIGHTH) { |
| 848 | MM_ERR("invalid qcelp cdma rate\n"); |
| 849 | rc = -EFAULT; |
| 850 | break; |
| 851 | } |
| 852 | memcpy(&audio->cfg, &cfg, sizeof(cfg)); |
| 853 | break; |
| 854 | } |
| 855 | default: |
| 856 | rc = -EINVAL; |
| 857 | } |
| 858 | mutex_unlock(&audio->lock); |
| 859 | return rc; |
| 860 | } |
| 861 | |
| 862 | static ssize_t audqcelp_in_read(struct file *file, |
| 863 | char __user *buf, |
| 864 | size_t count, loff_t *pos) |
| 865 | { |
| 866 | struct audio_qcelp_in *audio = file->private_data; |
| 867 | unsigned long flags; |
| 868 | const char __user *start = buf; |
| 869 | void *data; |
| 870 | uint32_t index; |
| 871 | uint32_t size; |
| 872 | int rc = 0; |
| 873 | struct qcelp_encoded_meta_out meta_field; |
| 874 | struct audio_frame_nt *nt_frame; |
| 875 | MM_DBG("count = %d\n", count); |
| 876 | mutex_lock(&audio->read_lock); |
| 877 | while (count > 0) { |
| 878 | rc = wait_event_interruptible( |
| 879 | audio->wait, (audio->in_count > 0) || audio->stopped || |
| 880 | audio->rflush); |
| 881 | if (rc < 0) |
| 882 | break; |
| 883 | |
| 884 | if (audio->rflush) { |
| 885 | rc = -EBUSY; |
| 886 | break; |
| 887 | } |
| 888 | if (audio->stopped && !audio->in_count) { |
| 889 | MM_DBG("Driver in stop state, No more buffer to read"); |
| 890 | rc = 0;/* End of File */ |
| 891 | break; |
| 892 | } |
| 893 | |
| 894 | index = audio->in_tail; |
| 895 | data = (uint8_t *) audio->in[index].data; |
| 896 | size = audio->in[index].size; |
| 897 | |
| 898 | if (audio->mode == MSM_AUD_ENC_MODE_NONTUNNEL) { |
| 899 | nt_frame = (struct audio_frame_nt *)(data - |
| 900 | sizeof(struct audio_frame_nt)); |
| 901 | memcpy((char *)&meta_field.time_stamp_dword_lsw, |
| 902 | (char *)&nt_frame->time_stamp_dword_lsw, |
| 903 | (sizeof(struct qcelp_encoded_meta_out) - \ |
| 904 | sizeof(uint16_t))); |
| 905 | meta_field.metadata_len = |
| 906 | sizeof(struct qcelp_encoded_meta_out); |
| 907 | if (copy_to_user((char *)start, (char *)&meta_field, |
| 908 | sizeof(struct qcelp_encoded_meta_out))) { |
| 909 | rc = -EFAULT; |
| 910 | break; |
| 911 | } |
| 912 | if (nt_frame->nflag_lsw & 0x0001) { |
| 913 | MM_ERR("recieved EOS in read call\n"); |
| 914 | audio->eos_ack = 1; |
| 915 | } |
| 916 | buf += sizeof(struct qcelp_encoded_meta_out); |
| 917 | count -= sizeof(struct qcelp_encoded_meta_out); |
| 918 | } |
| 919 | if (count >= size) { |
| 920 | /* order the reads on the buffer */ |
| 921 | dma_coherent_post_ops(); |
| 922 | if (copy_to_user(buf, data, size)) { |
| 923 | rc = -EFAULT; |
| 924 | break; |
| 925 | } |
| 926 | spin_lock_irqsave(&audio->dsp_lock, flags); |
| 927 | if (index != audio->in_tail) { |
| 928 | /* overrun -- data is |
| 929 | * invalid and we need to retry */ |
| 930 | spin_unlock_irqrestore(&audio->dsp_lock, flags); |
| 931 | continue; |
| 932 | } |
| 933 | audio->in[index].size = 0; |
| 934 | audio->in_tail = (audio->in_tail + 1) & (FRAME_NUM - 1); |
| 935 | audio->in_count--; |
| 936 | spin_unlock_irqrestore(&audio->dsp_lock, flags); |
| 937 | count -= size; |
| 938 | buf += size; |
| 939 | if ((audio->mode == MSM_AUD_ENC_MODE_NONTUNNEL)) { |
| 940 | if (!audio->eos_ack) { |
| 941 | MM_DBG("sending read ptr command \ |
| 942 | %d %d\n", |
| 943 | audio->dsp_cnt, |
| 944 | audio->in_tail); |
| 945 | audqcelp_in_dsp_read_buffer(audio, |
| 946 | audio->dsp_cnt++); |
| 947 | } |
| 948 | } |
| 949 | } else { |
| 950 | MM_ERR("short read\n"); |
| 951 | break; |
| 952 | } |
| 953 | break; |
| 954 | } |
| 955 | mutex_unlock(&audio->read_lock); |
| 956 | |
| 957 | if (buf > start) |
| 958 | return buf - start; |
| 959 | |
| 960 | return rc; |
| 961 | } |
| 962 | |
| 963 | static void audrec_pcm_send_data(struct audio_qcelp_in *audio, unsigned needed) |
| 964 | { |
| 965 | struct buffer *frame; |
| 966 | unsigned long flags; |
| 967 | MM_DBG("\n"); |
| 968 | spin_lock_irqsave(&audio->dsp_lock, flags); |
| 969 | if (!audio->running) |
| 970 | goto done; |
| 971 | |
| 972 | if (needed && !audio->wflush) { |
| 973 | /* We were called from the callback because the DSP |
| 974 | * requested more data. Note that the DSP does want |
| 975 | * more data, and if a buffer was in-flight, mark it |
| 976 | * as available (since the DSP must now be done with |
| 977 | * it). |
| 978 | */ |
| 979 | audio->out_needed = 1; |
| 980 | frame = audio->out + audio->out_tail; |
| 981 | if (frame->used == 0xffffffff) { |
| 982 | MM_DBG("frame %d free\n", audio->out_tail); |
| 983 | frame->used = 0; |
| 984 | audio->out_tail ^= 1; |
| 985 | wake_up(&audio->write_wait); |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | if (audio->out_needed) { |
| 990 | /* If the DSP currently wants data and we have a |
| 991 | * buffer available, we will send it and reset |
| 992 | * the needed flag. We'll mark the buffer as in-flight |
| 993 | * so that it won't be recycled until the next buffer |
| 994 | * is requested |
| 995 | */ |
| 996 | |
| 997 | frame = audio->out + audio->out_tail; |
| 998 | if (frame->used) { |
| 999 | BUG_ON(frame->used == 0xffffffff); |
| 1000 | audrec_pcm_buffer_ptr_refresh(audio, |
| 1001 | audio->out_tail, |
| 1002 | frame->used); |
| 1003 | frame->used = 0xffffffff; |
| 1004 | audio->out_needed = 0; |
| 1005 | } |
| 1006 | } |
| 1007 | done: |
| 1008 | spin_unlock_irqrestore(&audio->dsp_lock, flags); |
| 1009 | } |
| 1010 | |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1011 | static int audqcelp_in_fsync(struct file *file, loff_t a, loff_t b, |
| 1012 | int datasync) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1013 | |
| 1014 | { |
| 1015 | struct audio_qcelp_in *audio = file->private_data; |
| 1016 | int rc = 0; |
| 1017 | |
| 1018 | MM_DBG("\n"); /* Macro prints the file name and function */ |
| 1019 | if (!audio->running || (audio->mode == MSM_AUD_ENC_MODE_TUNNEL)) { |
| 1020 | rc = -EINVAL; |
| 1021 | goto done_nolock; |
| 1022 | } |
| 1023 | |
| 1024 | mutex_lock(&audio->write_lock); |
| 1025 | |
| 1026 | rc = wait_event_interruptible(audio->write_wait, |
| 1027 | audio->wflush); |
| 1028 | MM_DBG("waked on by some event audio->wflush = %d\n", audio->wflush); |
| 1029 | |
| 1030 | if (rc < 0) |
| 1031 | goto done; |
| 1032 | else if (audio->wflush) { |
| 1033 | rc = -EBUSY; |
| 1034 | goto done; |
| 1035 | } |
| 1036 | done: |
| 1037 | mutex_unlock(&audio->write_lock); |
| 1038 | done_nolock: |
| 1039 | return rc; |
| 1040 | |
| 1041 | } |
| 1042 | |
| 1043 | int audrec_qcelp_process_eos(struct audio_qcelp_in *audio, |
| 1044 | const char __user *buf_start, unsigned short mfield_size) |
| 1045 | { |
| 1046 | struct buffer *frame; |
| 1047 | int rc = 0; |
| 1048 | |
| 1049 | frame = audio->out + audio->out_head; |
| 1050 | |
| 1051 | rc = wait_event_interruptible(audio->write_wait, |
| 1052 | (audio->out_needed && |
| 1053 | audio->out[0].used == 0 && |
| 1054 | audio->out[1].used == 0) |
| 1055 | || (audio->stopped) |
| 1056 | || (audio->wflush)); |
| 1057 | |
| 1058 | if (rc < 0) |
| 1059 | goto done; |
| 1060 | if (audio->stopped || audio->wflush) { |
| 1061 | rc = -EBUSY; |
| 1062 | goto done; |
| 1063 | } |
| 1064 | if (copy_from_user(frame->data, buf_start, mfield_size)) { |
| 1065 | rc = -EFAULT; |
| 1066 | goto done; |
| 1067 | } |
| 1068 | |
| 1069 | frame->mfield_sz = mfield_size; |
| 1070 | audio->out_head ^= 1; |
| 1071 | frame->used = mfield_size; |
| 1072 | MM_DBG("copying meta_out frame->used = %d\n", frame->used); |
| 1073 | audrec_pcm_send_data(audio, 0); |
| 1074 | done: |
| 1075 | return rc; |
| 1076 | } |
| 1077 | |
| 1078 | static ssize_t audqcelp_in_write(struct file *file, |
| 1079 | const char __user *buf, |
| 1080 | size_t count, loff_t *pos) |
| 1081 | { |
| 1082 | struct audio_qcelp_in *audio = file->private_data; |
| 1083 | const char __user *start = buf; |
| 1084 | struct buffer *frame; |
| 1085 | char *cpy_ptr; |
| 1086 | int rc = 0, eos_condition = AUDPREPROC_QCELP_EOS_NONE; |
| 1087 | unsigned short mfield_size = 0; |
| 1088 | int write_count = 0; |
| 1089 | MM_DBG("cnt=%d\n", count); |
| 1090 | |
| 1091 | if (count & 1) |
| 1092 | return -EINVAL; |
| 1093 | |
| 1094 | if (audio->mode != MSM_AUD_ENC_MODE_NONTUNNEL) |
| 1095 | return -EINVAL; |
| 1096 | |
| 1097 | mutex_lock(&audio->write_lock); |
| 1098 | frame = audio->out + audio->out_head; |
| 1099 | /* if supplied count is more than driver buffer size |
| 1100 | * then only copy driver buffer size |
| 1101 | */ |
| 1102 | if (count > frame->size) |
| 1103 | count = frame->size; |
| 1104 | |
| 1105 | write_count = count; |
| 1106 | cpy_ptr = frame->data; |
| 1107 | rc = wait_event_interruptible(audio->write_wait, |
| 1108 | (frame->used == 0) |
| 1109 | || (audio->stopped) |
| 1110 | || (audio->wflush)); |
| 1111 | if (rc < 0) |
| 1112 | goto error; |
| 1113 | |
| 1114 | if (audio->stopped || audio->wflush) { |
| 1115 | rc = -EBUSY; |
| 1116 | goto error; |
| 1117 | } |
| 1118 | if (audio->mfield) { |
| 1119 | if (buf == start) { |
| 1120 | /* Processing beginning of user buffer */ |
| 1121 | if (__get_user(mfield_size, |
| 1122 | (unsigned short __user *) buf)) { |
| 1123 | rc = -EFAULT; |
| 1124 | goto error; |
| 1125 | } else if (mfield_size > count) { |
| 1126 | rc = -EINVAL; |
| 1127 | goto error; |
| 1128 | } |
| 1129 | MM_DBG("mf offset_val %x\n", mfield_size); |
| 1130 | if (copy_from_user(cpy_ptr, buf, mfield_size)) { |
| 1131 | rc = -EFAULT; |
| 1132 | goto error; |
| 1133 | } |
| 1134 | /* Check if EOS flag is set and buffer has |
| 1135 | * contains just meta field |
| 1136 | */ |
| 1137 | if (cpy_ptr[AUDPREPROC_QCELP_EOS_FLG_OFFSET] & |
| 1138 | AUDPREPROC_QCELP_EOS_FLG_MASK) { |
| 1139 | eos_condition = AUDPREPROC_QCELP_EOS_SET; |
| 1140 | MM_DBG("EOS SET\n"); |
| 1141 | if (mfield_size == count) { |
| 1142 | buf += mfield_size; |
| 1143 | eos_condition = 0; |
| 1144 | goto exit; |
| 1145 | } else |
| 1146 | cpy_ptr[AUDPREPROC_QCELP_EOS_FLG_OFFSET] &= |
| 1147 | ~AUDPREPROC_QCELP_EOS_FLG_MASK; |
| 1148 | } |
| 1149 | cpy_ptr += mfield_size; |
| 1150 | count -= mfield_size; |
| 1151 | buf += mfield_size; |
| 1152 | } else { |
| 1153 | mfield_size = 0; |
| 1154 | MM_DBG("continuous buffer\n"); |
| 1155 | } |
| 1156 | frame->mfield_sz = mfield_size; |
| 1157 | } |
| 1158 | MM_DBG("copying the stream count = %d\n", count); |
| 1159 | if (copy_from_user(cpy_ptr, buf, count)) { |
| 1160 | rc = -EFAULT; |
| 1161 | goto error; |
| 1162 | } |
| 1163 | exit: |
| 1164 | frame->used = count; |
| 1165 | audio->out_head ^= 1; |
| 1166 | if (!audio->flush_ack) |
| 1167 | audrec_pcm_send_data(audio, 0); |
| 1168 | else { |
| 1169 | audrec_pcm_send_data(audio, 1); |
| 1170 | audio->flush_ack = 0; |
| 1171 | } |
| 1172 | if (eos_condition == AUDPREPROC_QCELP_EOS_SET) |
| 1173 | rc = audrec_qcelp_process_eos(audio, start, mfield_size); |
| 1174 | mutex_unlock(&audio->write_lock); |
| 1175 | return write_count; |
| 1176 | error: |
| 1177 | mutex_unlock(&audio->write_lock); |
| 1178 | return rc; |
| 1179 | } |
| 1180 | |
| 1181 | static int audqcelp_in_release(struct inode *inode, struct file *file) |
| 1182 | { |
| 1183 | struct audio_qcelp_in *audio = file->private_data; |
| 1184 | |
| 1185 | mutex_lock(&audio->lock); |
| 1186 | audqcelp_in_disable(audio); |
| 1187 | audqcelp_in_flush(audio); |
| 1188 | msm_adsp_put(audio->audrec); |
| 1189 | |
| 1190 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) |
| 1191 | msm_adsp_put(audio->audpre); |
| 1192 | |
| 1193 | audpreproc_aenc_free(audio->enc_id); |
| 1194 | audio->audrec = NULL; |
| 1195 | audio->audpre = NULL; |
| 1196 | audio->opened = 0; |
| 1197 | |
| 1198 | if ((audio->mode == MSM_AUD_ENC_MODE_NONTUNNEL) && \ |
| 1199 | (audio->out_data)) { |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1200 | ion_unmap_kernel(audio->client, audio->input_buff_handle); |
| 1201 | ion_free(audio->client, audio->input_buff_handle); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1202 | audio->out_data = NULL; |
| 1203 | } |
| 1204 | |
| 1205 | if (audio->data) { |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1206 | ion_unmap_kernel(audio->client, audio->output_buff_handle); |
| 1207 | ion_free(audio->client, audio->output_buff_handle); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1208 | audio->data = NULL; |
| 1209 | } |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1210 | ion_client_destroy(audio->client); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1211 | mutex_unlock(&audio->lock); |
| 1212 | return 0; |
| 1213 | } |
| 1214 | |
| 1215 | static struct audio_qcelp_in the_audio_qcelp_in; |
| 1216 | |
| 1217 | static int audqcelp_in_open(struct inode *inode, struct file *file) |
| 1218 | { |
| 1219 | struct audio_qcelp_in *audio = &the_audio_qcelp_in; |
| 1220 | int rc; |
| 1221 | int encid; |
| 1222 | int dma_size = 0; |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1223 | int len = 0; |
| 1224 | unsigned long ionflag = 0; |
| 1225 | ion_phys_addr_t addr = 0; |
| 1226 | struct ion_handle *handle = NULL; |
| 1227 | struct ion_client *client = NULL; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1228 | |
| 1229 | mutex_lock(&audio->lock); |
| 1230 | if (audio->opened) { |
| 1231 | rc = -EBUSY; |
| 1232 | goto done; |
| 1233 | } |
| 1234 | if ((file->f_mode & FMODE_WRITE) && |
| 1235 | (file->f_mode & FMODE_READ)) { |
| 1236 | audio->mode = MSM_AUD_ENC_MODE_NONTUNNEL; |
| 1237 | dma_size = NT_DMASZ; |
| 1238 | MM_DBG("Opened for non tunnel mode encoding\n"); |
| 1239 | } else if (!(file->f_mode & FMODE_WRITE) && |
| 1240 | (file->f_mode & FMODE_READ)) { |
| 1241 | audio->mode = MSM_AUD_ENC_MODE_TUNNEL; |
| 1242 | dma_size = DMASZ; |
| 1243 | MM_DBG("Opened for tunnel mode encoding\n"); |
| 1244 | } else { |
| 1245 | MM_ERR("Invalid mode\n"); |
| 1246 | rc = -EACCES; |
| 1247 | goto done; |
| 1248 | } |
| 1249 | |
| 1250 | /* Settings will be re-config at AUDIO_SET_CONFIG, |
| 1251 | * but at least we need to have initial config |
| 1252 | */ |
| 1253 | audio->samp_rate = RPC_AUD_DEF_SAMPLE_RATE_8000, |
| 1254 | audio->samp_rate_index = AUDREC_CMD_SAMP_RATE_INDX_8000; |
| 1255 | audio->channel_mode = AUDREC_CMD_STEREO_MODE_MONO; |
| 1256 | if (audio->mode == MSM_AUD_ENC_MODE_NONTUNNEL) |
| 1257 | audio->buffer_size = (QCELP_FRAME_SIZE + 14); |
| 1258 | else |
| 1259 | audio->buffer_size = QCELP_FRAME_SIZE; |
| 1260 | audio->enc_type = AUDREC_CMD_TYPE_0_INDEX_QCELP | audio->mode; |
| 1261 | |
| 1262 | audio->cfg.cdma_rate = CDMA_RATE_FULL; |
| 1263 | audio->cfg.min_bit_rate = CDMA_RATE_FULL; |
| 1264 | audio->cfg.max_bit_rate = CDMA_RATE_FULL; |
| 1265 | |
| 1266 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) { |
| 1267 | rc = audmgr_open(&audio->audmgr); |
| 1268 | if (rc) |
| 1269 | goto done; |
| 1270 | } |
| 1271 | |
| 1272 | encid = audpreproc_aenc_alloc(audio->enc_type, &audio->module_name, |
| 1273 | &audio->queue_ids); |
| 1274 | if (encid < 0) { |
| 1275 | MM_ERR("No free encoder available\n"); |
| 1276 | rc = -ENODEV; |
| 1277 | goto done; |
| 1278 | } |
| 1279 | audio->enc_id = encid; |
| 1280 | |
| 1281 | rc = msm_adsp_get(audio->module_name, &audio->audrec, |
| 1282 | &audrec_qcelp_adsp_ops, audio); |
| 1283 | if (rc) { |
| 1284 | audpreproc_aenc_free(audio->enc_id); |
| 1285 | goto done; |
| 1286 | } |
| 1287 | |
| 1288 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) { |
| 1289 | rc = msm_adsp_get("AUDPREPROCTASK", &audio->audpre, |
| 1290 | &audpre_qcelp_adsp_ops, audio); |
| 1291 | if (rc) { |
| 1292 | msm_adsp_put(audio->audrec); |
| 1293 | audpreproc_aenc_free(audio->enc_id); |
| 1294 | goto done; |
| 1295 | } |
| 1296 | } |
| 1297 | |
| 1298 | audio->dsp_cnt = 0; |
| 1299 | audio->stopped = 0; |
| 1300 | audio->wflush = 0; |
| 1301 | audio->rflush = 0; |
| 1302 | audio->flush_ack = 0; |
| 1303 | |
| 1304 | audqcelp_in_flush(audio); |
| 1305 | audqcelp_out_flush(audio); |
| 1306 | |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1307 | client = msm_ion_client_create(UINT_MAX, "Audio_QCELP_in_client"); |
| 1308 | if (IS_ERR_OR_NULL(client)) { |
| 1309 | MM_ERR("Unable to create ION client\n"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1310 | rc = -ENOMEM; |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1311 | goto client_create_error; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1312 | } |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1313 | audio->client = client; |
| 1314 | |
| 1315 | MM_DBG("allocating mem sz = %d\n", dma_size); |
| 1316 | handle = ion_alloc(client, dma_size, SZ_4K, |
| 1317 | ION_HEAP(ION_AUDIO_HEAP_ID)); |
| 1318 | if (IS_ERR_OR_NULL(handle)) { |
| 1319 | MM_ERR("Unable to create allocate O/P buffers\n"); |
| 1320 | rc = -ENOMEM; |
| 1321 | goto output_buff_alloc_error; |
| 1322 | } |
| 1323 | |
| 1324 | audio->output_buff_handle = handle; |
| 1325 | |
| 1326 | rc = ion_phys(client , handle, &addr, &len); |
| 1327 | if (rc) { |
| 1328 | MM_ERR("O/P buffers:Invalid phy: %x sz: %x\n", |
| 1329 | (unsigned int) addr, (unsigned int) len); |
| 1330 | rc = -ENOMEM; |
| 1331 | goto output_buff_get_phys_error; |
| 1332 | } else { |
| 1333 | MM_INFO("O/P buffers:valid phy: %x sz: %x\n", |
| 1334 | (unsigned int) addr, (unsigned int) len); |
| 1335 | } |
| 1336 | audio->phys = (int32_t)addr; |
| 1337 | |
| 1338 | rc = ion_handle_get_flags(client, handle, &ionflag); |
| 1339 | if (rc) { |
| 1340 | MM_ERR("could not get flags for the handle\n"); |
| 1341 | rc = -ENOMEM; |
| 1342 | goto output_buff_get_flags_error; |
| 1343 | } |
| 1344 | |
| 1345 | audio->map_v_read = ion_map_kernel(client, handle, ionflag); |
| 1346 | if (IS_ERR(audio->map_v_read)) { |
| 1347 | MM_ERR("could not map read buffers,freeing instance 0x%08x\n", |
| 1348 | (int)audio); |
| 1349 | rc = -ENOMEM; |
| 1350 | goto output_buff_map_error; |
| 1351 | } |
| 1352 | audio->data = audio->map_v_read; |
| 1353 | MM_DBG("read buf: phy addr 0x%08x kernel addr 0x%08x\n", |
| 1354 | audio->phys, (int)audio->data); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1355 | |
| 1356 | audio->out_data = NULL; |
| 1357 | if (audio->mode == MSM_AUD_ENC_MODE_NONTUNNEL) { |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1358 | MM_DBG("allocating BUFFER_SIZE %d\n", BUFFER_SIZE); |
| 1359 | handle = ion_alloc(client, BUFFER_SIZE, |
| 1360 | SZ_4K, ION_HEAP(ION_AUDIO_HEAP_ID)); |
| 1361 | if (IS_ERR_OR_NULL(handle)) { |
| 1362 | MM_ERR("Unable to create allocate I/P buffers\n"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1363 | rc = -ENOMEM; |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1364 | goto input_buff_alloc_error; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1365 | } |
| 1366 | |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1367 | audio->input_buff_handle = handle; |
| 1368 | |
| 1369 | rc = ion_phys(client , handle, &addr, &len); |
| 1370 | if (rc) { |
| 1371 | MM_ERR("I/P buffers:Invalid phy: %x sz: %x\n", |
| 1372 | (unsigned int) addr, (unsigned int) len); |
| 1373 | rc = -ENOMEM; |
| 1374 | goto input_buff_get_phys_error; |
| 1375 | } else { |
| 1376 | MM_INFO("Got valid phy: %x sz: %x\n", |
| 1377 | (unsigned int) addr, |
| 1378 | (unsigned int) len); |
| 1379 | } |
| 1380 | audio->out_phys = (int32_t)addr; |
| 1381 | |
| 1382 | rc = ion_handle_get_flags(client, |
| 1383 | handle, &ionflag); |
| 1384 | if (rc) { |
| 1385 | MM_ERR("could not get flags for the handle\n"); |
| 1386 | rc = -ENOMEM; |
| 1387 | goto input_buff_get_flags_error; |
| 1388 | } |
| 1389 | |
| 1390 | audio->map_v_write = ion_map_kernel(client, |
| 1391 | handle, ionflag); |
| 1392 | if (IS_ERR(audio->map_v_write)) { |
| 1393 | MM_ERR("could not map write buffers\n"); |
| 1394 | rc = -ENOMEM; |
| 1395 | goto input_buff_map_error; |
| 1396 | } |
| 1397 | audio->out_data = audio->map_v_write; |
| 1398 | MM_DBG("write buf: phy addr 0x%08x kernel addr 0x%08x\n", |
| 1399 | (unsigned int)addr, |
| 1400 | (unsigned int)audio->out_data); |
| 1401 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1402 | /* Initialize buffer */ |
| 1403 | audio->out[0].data = audio->out_data + 0; |
| 1404 | audio->out[0].addr = audio->out_phys + 0; |
| 1405 | audio->out[0].size = OUT_BUFFER_SIZE; |
| 1406 | |
| 1407 | audio->out[1].data = audio->out_data + OUT_BUFFER_SIZE; |
| 1408 | audio->out[1].addr = audio->out_phys + OUT_BUFFER_SIZE; |
| 1409 | audio->out[1].size = OUT_BUFFER_SIZE; |
| 1410 | |
| 1411 | MM_DBG("audio->out[0].data = %d audio->out[1].data = %d", |
| 1412 | (unsigned int)audio->out[0].data, |
| 1413 | (unsigned int)audio->out[1].data); |
| 1414 | audio->mfield = NT_FRAME_HEADER_SIZE; |
| 1415 | audio->out_frame_cnt++; |
| 1416 | } |
| 1417 | file->private_data = audio; |
| 1418 | audio->opened = 1; |
| 1419 | |
| 1420 | done: |
| 1421 | mutex_unlock(&audio->lock); |
| 1422 | return rc; |
Sidipotu Ashok | 172c98b | 2012-06-26 17:58:29 +0530 | [diff] [blame^] | 1423 | input_buff_map_error: |
| 1424 | input_buff_get_flags_error: |
| 1425 | input_buff_get_phys_error: |
| 1426 | ion_free(client, audio->input_buff_handle); |
| 1427 | input_buff_alloc_error: |
| 1428 | ion_unmap_kernel(client, audio->output_buff_handle); |
| 1429 | output_buff_map_error: |
| 1430 | output_buff_get_phys_error: |
| 1431 | output_buff_get_flags_error: |
| 1432 | ion_free(client, audio->output_buff_handle); |
| 1433 | output_buff_alloc_error: |
| 1434 | ion_client_destroy(client); |
| 1435 | client_create_error: |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1436 | msm_adsp_put(audio->audrec); |
| 1437 | if (audio->mode == MSM_AUD_ENC_MODE_TUNNEL) |
| 1438 | msm_adsp_put(audio->audpre); |
| 1439 | |
| 1440 | audpreproc_aenc_free(audio->enc_id); |
| 1441 | mutex_unlock(&audio->lock); |
| 1442 | return rc; |
| 1443 | } |
| 1444 | |
| 1445 | static const struct file_operations audio_qcelp_in_fops = { |
| 1446 | .owner = THIS_MODULE, |
| 1447 | .open = audqcelp_in_open, |
| 1448 | .release = audqcelp_in_release, |
| 1449 | .read = audqcelp_in_read, |
| 1450 | .write = audqcelp_in_write, |
| 1451 | .fsync = audqcelp_in_fsync, |
| 1452 | .unlocked_ioctl = audqcelp_in_ioctl, |
| 1453 | }; |
| 1454 | |
| 1455 | static struct miscdevice audqcelp_in_misc = { |
| 1456 | .minor = MISC_DYNAMIC_MINOR, |
| 1457 | .name = "msm_qcelp_in", |
| 1458 | .fops = &audio_qcelp_in_fops, |
| 1459 | }; |
| 1460 | |
| 1461 | static int __init audqcelp_in_init(void) |
| 1462 | { |
| 1463 | mutex_init(&the_audio_qcelp_in.lock); |
| 1464 | mutex_init(&the_audio_qcelp_in.read_lock); |
| 1465 | spin_lock_init(&the_audio_qcelp_in.dsp_lock); |
| 1466 | init_waitqueue_head(&the_audio_qcelp_in.wait); |
| 1467 | init_waitqueue_head(&the_audio_qcelp_in.wait_enable); |
| 1468 | mutex_init(&the_audio_qcelp_in.write_lock); |
| 1469 | init_waitqueue_head(&the_audio_qcelp_in.write_wait); |
| 1470 | return misc_register(&audqcelp_in_misc); |
| 1471 | } |
| 1472 | device_initcall(audqcelp_in_init); |