Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1 | /* arch/arm/mach-msm/qdsp6/audiov2/q6audio.c |
| 2 | * |
| 3 | * Copyright (C) 2009 Google, Inc. |
Duy Truong | 790f06d | 2013-02-13 16:38:12 -0800 | [diff] [blame] | 4 | * Copyright (c) 2009, The Linux Foundation. All rights reserved. |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 5 | * |
| 6 | * Author: Brian Swetland <swetland@google.com> |
| 7 | * |
| 8 | * This software is licensed under the terms of the GNU General Public |
| 9 | * License version 2, as published by the Free Software Foundation, and |
| 10 | * may be copied, distributed, and modified under those terms. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | */ |
| 18 | |
| 19 | #include <linux/mutex.h> |
| 20 | #include <linux/sched.h> |
| 21 | #include <linux/wait.h> |
| 22 | #include <linux/dma-mapping.h> |
| 23 | #include <linux/clk.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 24 | #include <linux/delay.h> |
| 25 | #include <linux/wakelock.h> |
| 26 | #include <linux/android_pmem.h> |
| 27 | #include <linux/gpio.h> |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 28 | #include <linux/pm_qos.h> |
| 29 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 30 | #include <mach/msm_qdsp6_audiov2.h> |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 31 | #include <mach/cpuidle.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 32 | |
| 33 | #include "../dal.h" |
| 34 | #include "dal_audio.h" |
| 35 | #include "dal_audio_format.h" |
| 36 | #include "dal_acdb.h" |
| 37 | #include "dal_adie.h" |
| 38 | #include "q6audio_devices.h" |
| 39 | |
| 40 | struct q6_hw_info { |
| 41 | int min_gain; |
| 42 | int max_gain; |
| 43 | }; |
| 44 | |
| 45 | /* TODO: provide mechanism to configure from board file */ |
| 46 | |
| 47 | static struct q6_hw_info q6_audio_hw[Q6_HW_COUNT] = { |
| 48 | [Q6_HW_HANDSET] = { |
| 49 | .min_gain = -2000, |
| 50 | .max_gain = 0, |
| 51 | }, |
| 52 | [Q6_HW_HEADSET] = { |
| 53 | .min_gain = -2000, |
| 54 | .max_gain = 0, |
| 55 | }, |
| 56 | [Q6_HW_SPEAKER] = { |
| 57 | .min_gain = -1500, |
| 58 | .max_gain = 0, |
| 59 | }, |
| 60 | [Q6_HW_TTY] = { |
| 61 | .min_gain = -2000, |
| 62 | .max_gain = 0, |
| 63 | }, |
| 64 | [Q6_HW_BT_SCO] = { |
| 65 | .min_gain = -2000, |
| 66 | .max_gain = 0, |
| 67 | }, |
| 68 | [Q6_HW_BT_A2DP] = { |
| 69 | .min_gain = -2000, |
| 70 | .max_gain = 0, |
| 71 | }, |
| 72 | }; |
| 73 | |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 74 | static struct pm_qos_request pm_qos_req; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 75 | static int idlecount; |
| 76 | static DEFINE_MUTEX(idlecount_lock); |
| 77 | |
| 78 | void audio_prevent_sleep(void) |
| 79 | { |
| 80 | mutex_lock(&idlecount_lock); |
| 81 | if (++idlecount == 1) |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 82 | pm_qos_update_request(&pm_qos_req, |
| 83 | msm_cpuidle_get_deep_idle_latency()); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 84 | mutex_unlock(&idlecount_lock); |
| 85 | } |
| 86 | |
| 87 | void audio_allow_sleep(void) |
| 88 | { |
| 89 | mutex_lock(&idlecount_lock); |
| 90 | if (--idlecount == 0) |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 91 | pm_qos_update_request(&pm_qos_req, PM_QOS_DEFAULT_VALUE); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 92 | mutex_unlock(&idlecount_lock); |
| 93 | } |
| 94 | |
| 95 | static struct clk *icodec_rx_clk; |
| 96 | static struct clk *icodec_tx_clk; |
| 97 | static struct clk *ecodec_clk; |
| 98 | static struct clk *sdac_clk; |
| 99 | |
| 100 | static struct q6audio_analog_ops default_analog_ops; |
| 101 | static struct q6audio_analog_ops *analog_ops = &default_analog_ops; |
| 102 | uint32_t tx_clk_freq = 8000; |
| 103 | static int tx_mute_status; |
| 104 | |
| 105 | void q6audio_register_analog_ops(struct q6audio_analog_ops *ops) |
| 106 | { |
| 107 | analog_ops = ops; |
| 108 | } |
| 109 | |
| 110 | static struct q6_device_info *q6_lookup_device(uint32_t device_id) |
| 111 | { |
| 112 | struct q6_device_info *di = q6_audio_devices; |
| 113 | for (;;) { |
| 114 | if (di->id == device_id) |
| 115 | return di; |
| 116 | if (di->id == 0) { |
| 117 | pr_err("q6_lookup_device: bogus id 0x%08x\n", |
| 118 | device_id); |
| 119 | return di; |
| 120 | } |
| 121 | di++; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | static uint32_t q6_device_to_codec(uint32_t device_id) |
| 126 | { |
| 127 | struct q6_device_info *di = q6_lookup_device(device_id); |
| 128 | return di->codec; |
| 129 | } |
| 130 | |
| 131 | static uint32_t q6_device_to_dir(uint32_t device_id) |
| 132 | { |
| 133 | struct q6_device_info *di = q6_lookup_device(device_id); |
| 134 | return di->dir; |
| 135 | } |
| 136 | |
| 137 | static uint32_t q6_device_to_cad_id(uint32_t device_id) |
| 138 | { |
| 139 | struct q6_device_info *di = q6_lookup_device(device_id); |
| 140 | return di->cad_id; |
| 141 | } |
| 142 | |
| 143 | static uint32_t q6_device_to_path(uint32_t device_id) |
| 144 | { |
| 145 | struct q6_device_info *di = q6_lookup_device(device_id); |
| 146 | return di->path; |
| 147 | } |
| 148 | |
| 149 | static uint32_t q6_device_to_rate(uint32_t device_id) |
| 150 | { |
| 151 | struct q6_device_info *di = q6_lookup_device(device_id); |
| 152 | return di->rate; |
| 153 | } |
| 154 | |
| 155 | int q6_device_volume(uint32_t device_id, int level) |
| 156 | { |
| 157 | struct q6_device_info *di = q6_lookup_device(device_id); |
| 158 | struct q6_hw_info *hw; |
| 159 | |
| 160 | hw = &q6_audio_hw[di->hw]; |
| 161 | |
| 162 | return hw->min_gain + ((hw->max_gain - hw->min_gain) * level) / 100; |
| 163 | } |
| 164 | |
| 165 | static inline int adie_open(struct dal_client *client) |
| 166 | { |
| 167 | return dal_call_f0(client, DAL_OP_OPEN, 0); |
| 168 | } |
| 169 | |
| 170 | static inline int adie_close(struct dal_client *client) |
| 171 | { |
| 172 | return dal_call_f0(client, DAL_OP_CLOSE, 0); |
| 173 | } |
| 174 | |
| 175 | static inline int adie_set_path(struct dal_client *client, |
| 176 | uint32_t *adie_params, uint32_t size) |
| 177 | { |
| 178 | uint32_t tmp; |
| 179 | return dal_call(client, ADIE_OP_SET_PATH, 5, adie_params, size, |
| 180 | (void *)&tmp, sizeof(uint32_t)); |
| 181 | |
| 182 | } |
| 183 | |
| 184 | static inline int adie_proceed_to_stage(struct dal_client *client, |
| 185 | uint32_t path_type, uint32_t stage) |
| 186 | { |
| 187 | return dal_call_f1(client, ADIE_OP_PROCEED_TO_STAGE, |
| 188 | path_type, stage); |
| 189 | } |
| 190 | |
| 191 | static int adie_refcount; |
| 192 | |
| 193 | static struct dal_client *adie; |
| 194 | static struct dal_client *adsp; |
| 195 | static struct dal_client *acdb; |
| 196 | |
| 197 | static int adie_enable(void) |
| 198 | { |
| 199 | adie_refcount++; |
| 200 | if (adie_refcount == 1) |
| 201 | adie_open(adie); |
| 202 | return 0; |
| 203 | } |
| 204 | |
| 205 | static int adie_disable(void) |
| 206 | { |
| 207 | adie_refcount--; |
| 208 | if (adie_refcount == 0) |
| 209 | adie_close(adie); |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | /* 4k DMA scratch page used for exchanging acdb device config tables |
| 214 | * and stream format descriptions with the DSP. |
| 215 | */ |
| 216 | char *audio_data; |
| 217 | int32_t audio_phys; |
| 218 | |
| 219 | #define SESSION_MIN 0 |
| 220 | #define SESSION_MAX 64 |
| 221 | |
| 222 | static DEFINE_MUTEX(session_lock); |
| 223 | static DEFINE_MUTEX(audio_lock); |
| 224 | |
| 225 | static struct audio_client *session[SESSION_MAX]; |
| 226 | |
| 227 | static int session_alloc(struct audio_client *ac) |
| 228 | { |
| 229 | int n; |
| 230 | |
| 231 | mutex_lock(&session_lock); |
| 232 | for (n = SESSION_MIN; n < SESSION_MAX; n++) { |
| 233 | if (!session[n]) { |
| 234 | session[n] = ac; |
| 235 | mutex_unlock(&session_lock); |
| 236 | return n; |
| 237 | } |
| 238 | } |
| 239 | mutex_unlock(&session_lock); |
| 240 | return -ENOMEM; |
| 241 | } |
| 242 | |
| 243 | static void session_free(int n, struct audio_client *ac) |
| 244 | { |
| 245 | mutex_lock(&session_lock); |
| 246 | if (session[n] == ac) |
| 247 | session[n] = 0; |
| 248 | mutex_unlock(&session_lock); |
| 249 | } |
| 250 | |
| 251 | static void audio_client_free(struct audio_client *ac) |
| 252 | { |
| 253 | session_free(ac->session, ac); |
| 254 | |
| 255 | if (ac->buf[0].data) |
| 256 | pmem_kfree(ac->buf[0].phys); |
| 257 | if (ac->buf[1].data) |
| 258 | pmem_kfree(ac->buf[1].phys); |
| 259 | kfree(ac); |
| 260 | } |
| 261 | |
| 262 | static struct audio_client *audio_client_alloc(unsigned bufsz) |
| 263 | { |
| 264 | struct audio_client *ac; |
| 265 | int n; |
| 266 | |
| 267 | ac = kzalloc(sizeof(*ac), GFP_KERNEL); |
| 268 | if (!ac) |
| 269 | return 0; |
| 270 | |
| 271 | n = session_alloc(ac); |
| 272 | if (n < 0) |
| 273 | goto fail_session; |
| 274 | ac->session = n; |
| 275 | |
| 276 | if (bufsz > 0) { |
| 277 | ac->buf[0].phys = pmem_kalloc(bufsz, |
| 278 | PMEM_MEMTYPE_EBI1|PMEM_ALIGNMENT_4K); |
| 279 | ac->buf[0].data = ioremap(ac->buf[0].phys, bufsz); |
| 280 | if (!ac->buf[0].data) |
| 281 | goto fail; |
| 282 | |
| 283 | ac->buf[1].phys = pmem_kalloc(bufsz, |
| 284 | PMEM_MEMTYPE_EBI1|PMEM_ALIGNMENT_4K); |
| 285 | ac->buf[1].data = ioremap(ac->buf[1].phys, bufsz); |
| 286 | if (!ac->buf[1].data) |
| 287 | goto fail; |
| 288 | |
| 289 | ac->buf[0].size = bufsz; |
| 290 | ac->buf[1].size = bufsz; |
| 291 | } |
| 292 | |
| 293 | init_waitqueue_head(&ac->wait); |
| 294 | ac->client = adsp; |
| 295 | |
| 296 | return ac; |
| 297 | |
| 298 | fail: |
| 299 | pr_err("pmem_kalloc failed\n"); |
| 300 | session_free(n, ac); |
| 301 | fail_session: |
| 302 | audio_client_free(ac); |
| 303 | return 0; |
| 304 | } |
| 305 | |
| 306 | static int audio_ioctl(struct audio_client *ac, void *ptr, uint32_t len) |
| 307 | { |
| 308 | struct adsp_command_hdr *hdr = ptr; |
| 309 | uint32_t tmp; |
| 310 | int r; |
| 311 | |
| 312 | hdr->size = len - sizeof(u32); |
| 313 | hdr->dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 314 | hdr->src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 315 | hdr->context = ac->session; |
| 316 | ac->cb_status = -EBUSY; |
| 317 | r = dal_call(ac->client, AUDIO_OP_CONTROL, 5, ptr, len, |
| 318 | &tmp, sizeof(tmp)); |
| 319 | if (r != 4) |
| 320 | return -EIO; |
| 321 | wait_event(ac->wait, (ac->cb_status != -EBUSY)); |
| 322 | return tmp; |
| 323 | } |
| 324 | |
| 325 | static int audio_command(struct audio_client *ac, uint32_t cmd) |
| 326 | { |
| 327 | struct adsp_command_hdr rpc; |
| 328 | memset(&rpc, 0, sizeof(rpc)); |
| 329 | rpc.opcode = cmd; |
| 330 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 331 | } |
| 332 | |
| 333 | static int audio_open_control(struct audio_client *ac) |
| 334 | { |
| 335 | struct adsp_open_command rpc; |
| 336 | |
| 337 | memset(&rpc, 0, sizeof(rpc)); |
| 338 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_OPEN_DEVICE; |
| 339 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 340 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 341 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 342 | } |
| 343 | |
| 344 | |
| 345 | static int audio_close(struct audio_client *ac) |
| 346 | { |
| 347 | audio_command(ac, ADSP_AUDIO_IOCTL_CMD_STREAM_STOP); |
| 348 | audio_command(ac, ADSP_AUDIO_IOCTL_CMD_CLOSE); |
| 349 | return 0; |
| 350 | } |
| 351 | |
| 352 | static int audio_set_table(struct audio_client *ac, |
| 353 | uint32_t device_id, int size) |
| 354 | { |
| 355 | struct adsp_set_dev_cfg_table_command rpc; |
| 356 | |
| 357 | memset(&rpc, 0, sizeof(rpc)); |
| 358 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_SET_DEVICE_CONFIG_TABLE; |
| 359 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 360 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 361 | rpc.device_id = device_id; |
| 362 | rpc.phys_addr = audio_phys; |
| 363 | rpc.phys_size = size; |
| 364 | rpc.phys_used = size; |
| 365 | |
| 366 | if (q6_device_to_dir(device_id) == Q6_TX) |
| 367 | rpc.hdr.data = tx_clk_freq; |
| 368 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 369 | } |
| 370 | |
| 371 | int q6audio_read(struct audio_client *ac, struct audio_buffer *ab) |
| 372 | { |
| 373 | struct adsp_buffer_command rpc; |
| 374 | uint32_t res; |
| 375 | int r; |
| 376 | |
| 377 | memset(&rpc, 0, sizeof(rpc)); |
| 378 | rpc.hdr.size = sizeof(rpc) - sizeof(u32); |
| 379 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 380 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 381 | rpc.hdr.context = ac->session; |
| 382 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_DATA_TX; |
| 383 | rpc.buffer.addr = ab->phys; |
| 384 | rpc.buffer.max_size = ab->size; |
| 385 | rpc.buffer.actual_size = ab->actual_size; |
| 386 | |
| 387 | r = dal_call(ac->client, AUDIO_OP_DATA, 5, &rpc, sizeof(rpc), |
| 388 | &res, sizeof(res)); |
| 389 | |
| 390 | if ((r == sizeof(res))) |
| 391 | return 0; |
| 392 | |
| 393 | return -EIO; |
| 394 | |
| 395 | } |
| 396 | |
| 397 | int q6audio_write(struct audio_client *ac, struct audio_buffer *ab) |
| 398 | { |
| 399 | struct adsp_buffer_command rpc; |
| 400 | uint32_t res; |
| 401 | int r; |
| 402 | |
| 403 | memset(&rpc, 0, sizeof(rpc)); |
| 404 | rpc.hdr.size = sizeof(rpc) - sizeof(u32); |
| 405 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 406 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 407 | rpc.hdr.context = ac->session; |
| 408 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_DATA_RX; |
| 409 | rpc.buffer.addr = ab->phys; |
| 410 | rpc.buffer.max_size = ab->size; |
| 411 | rpc.buffer.actual_size = ab->actual_size; |
| 412 | |
| 413 | r = dal_call(ac->client, AUDIO_OP_DATA, 5, &rpc, sizeof(rpc), |
| 414 | &res, sizeof(res)); |
| 415 | return 0; |
| 416 | } |
| 417 | |
| 418 | static int audio_rx_volume(struct audio_client *ac, uint32_t dev_id, |
| 419 | int32_t volume) |
| 420 | { |
| 421 | struct adsp_set_dev_volume_command rpc; |
| 422 | |
| 423 | memset(&rpc, 0, sizeof(rpc)); |
| 424 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_DEVICE_VOL; |
| 425 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 426 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 427 | rpc.device_id = dev_id; |
| 428 | rpc.path = ADSP_PATH_RX; |
| 429 | rpc.volume = volume; |
| 430 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 431 | } |
| 432 | |
| 433 | static int audio_rx_mute(struct audio_client *ac, uint32_t dev_id, int mute) |
| 434 | { |
| 435 | struct adsp_set_dev_mute_command rpc; |
| 436 | |
| 437 | memset(&rpc, 0, sizeof(rpc)); |
| 438 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_DEVICE_MUTE; |
| 439 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 440 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 441 | rpc.device_id = dev_id; |
| 442 | rpc.path = ADSP_PATH_RX; |
| 443 | rpc.mute = !!mute; |
| 444 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 445 | } |
| 446 | |
| 447 | static int audio_tx_volume(struct audio_client *ac, uint32_t dev_id, |
| 448 | int32_t volume) |
| 449 | { |
| 450 | struct adsp_set_dev_volume_command rpc; |
| 451 | |
| 452 | memset(&rpc, 0, sizeof(rpc)); |
| 453 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_DEVICE_VOL; |
| 454 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 455 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 456 | rpc.device_id = dev_id; |
| 457 | rpc.path = ADSP_PATH_TX; |
| 458 | rpc.volume = volume; |
| 459 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 460 | } |
| 461 | |
| 462 | static int audio_tx_mute(struct audio_client *ac, uint32_t dev_id, int mute) |
| 463 | { |
| 464 | struct adsp_set_dev_mute_command rpc; |
| 465 | |
| 466 | memset(&rpc, 0, sizeof(rpc)); |
| 467 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_SET_DEVICE_MUTE; |
| 468 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 469 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 470 | rpc.device_id = dev_id; |
| 471 | rpc.path = ADSP_PATH_TX; |
| 472 | rpc.mute = !!mute; |
| 473 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 474 | } |
| 475 | |
| 476 | static void callback(void *data, int len, void *cookie) |
| 477 | { |
| 478 | struct adsp_event_hdr *e = data; |
| 479 | struct audio_client *ac; |
| 480 | struct adsp_buffer_event *abe = data; |
| 481 | |
| 482 | if (e->context >= SESSION_MAX) { |
| 483 | pr_err("audio callback: bogus session %d\n", |
| 484 | e->context); |
| 485 | return; |
| 486 | } |
| 487 | ac = session[e->context]; |
| 488 | if (!ac) { |
| 489 | pr_err("audio callback: unknown session %d\n", |
| 490 | e->context); |
| 491 | return; |
| 492 | } |
| 493 | |
| 494 | if (e->event_id == ADSP_AUDIO_IOCTL_CMD_STREAM_EOS) { |
| 495 | pr_info("playback done\n"); |
| 496 | if (e->status) |
| 497 | pr_err("playback status %d\n", e->status); |
| 498 | if (ac->cb_status == -EBUSY) { |
| 499 | ac->cb_status = e->status; |
| 500 | wake_up(&ac->wait); |
| 501 | } |
| 502 | return; |
| 503 | } |
| 504 | |
| 505 | if (e->event_id == ADSP_AUDIO_EVT_STATUS_BUF_DONE) { |
| 506 | if (e->status) |
| 507 | pr_err("buffer status %d\n", e->status); |
| 508 | |
| 509 | ac->buf[ac->dsp_buf].actual_size = abe->buffer.actual_size; |
| 510 | ac->buf[ac->dsp_buf].used = 0; |
| 511 | ac->dsp_buf ^= 1; |
| 512 | wake_up(&ac->wait); |
| 513 | return; |
| 514 | } |
| 515 | |
| 516 | if (e->status) |
| 517 | pr_warning("audio_cb: s=%d e=%08x status=%d\n", |
| 518 | e->context, e->event_id, e->status); |
| 519 | |
| 520 | if (ac->cb_status == -EBUSY) { |
| 521 | ac->cb_status = e->status; |
| 522 | wake_up(&ac->wait); |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | static void audio_init(struct dal_client *client) |
| 527 | { |
| 528 | u32 tmp[3]; |
| 529 | |
| 530 | tmp[0] = 2 * sizeof(u32); |
| 531 | tmp[1] = 0; |
| 532 | tmp[2] = 0; |
| 533 | dal_call(client, AUDIO_OP_INIT, 5, tmp, sizeof(tmp), |
| 534 | tmp, sizeof(u32)); |
| 535 | } |
| 536 | |
| 537 | static struct audio_client *ac_control; |
| 538 | |
| 539 | static int q6audio_init(void) |
| 540 | { |
| 541 | struct audio_client *ac = 0; |
| 542 | int res = -ENODEV; |
| 543 | |
| 544 | mutex_lock(&audio_lock); |
| 545 | if (ac_control) { |
| 546 | res = 0; |
| 547 | goto done; |
| 548 | } |
| 549 | |
| 550 | icodec_rx_clk = clk_get(0, "icodec_rx_clk"); |
| 551 | icodec_tx_clk = clk_get(0, "icodec_tx_clk"); |
| 552 | ecodec_clk = clk_get(0, "ecodec_clk"); |
| 553 | sdac_clk = clk_get(0, "sdac_clk"); |
| 554 | |
| 555 | tx_mute_status = 0; |
| 556 | audio_phys = pmem_kalloc(4096, PMEM_MEMTYPE_EBI1|PMEM_ALIGNMENT_4K); |
| 557 | audio_data = ioremap(audio_phys, 4096); |
| 558 | if (!audio_data) { |
| 559 | pr_err("pmem kalloc failed\n"); |
| 560 | res = -ENOMEM; |
| 561 | goto done; |
| 562 | } |
| 563 | |
| 564 | adsp = dal_attach(AUDIO_DAL_DEVICE, AUDIO_DAL_PORT, 1, |
| 565 | callback, 0); |
| 566 | if (!adsp) { |
| 567 | pr_err("audio_init: cannot attach to adsp\n"); |
| 568 | res = -ENODEV; |
| 569 | goto done; |
| 570 | } |
| 571 | if (check_version(adsp, AUDIO_DAL_VERSION) != 0) { |
| 572 | pr_err("Incompatible adsp version\n"); |
| 573 | res = -ENODEV; |
| 574 | goto done; |
| 575 | } |
| 576 | |
| 577 | audio_init(adsp); |
| 578 | |
| 579 | ac = audio_client_alloc(0); |
| 580 | if (!ac) { |
| 581 | pr_err("audio_init: cannot allocate client\n"); |
| 582 | res = -ENOMEM; |
| 583 | goto done; |
| 584 | } |
| 585 | |
| 586 | if (audio_open_control(ac)) { |
| 587 | pr_err("audio_init: cannot open control channel\n"); |
| 588 | res = -ENODEV; |
| 589 | goto done; |
| 590 | } |
| 591 | |
| 592 | acdb = dal_attach(ACDB_DAL_DEVICE, ACDB_DAL_PORT, 0, 0, 0); |
| 593 | if (!acdb) { |
| 594 | pr_err("audio_init: cannot attach to acdb channel\n"); |
| 595 | res = -ENODEV; |
| 596 | goto done; |
| 597 | } |
| 598 | if (check_version(acdb, ACDB_DAL_VERSION) != 0) { |
| 599 | pr_err("Incompatablie acdb version\n"); |
| 600 | res = -ENODEV; |
| 601 | goto done; |
| 602 | } |
| 603 | |
| 604 | |
| 605 | adie = dal_attach(ADIE_DAL_DEVICE, ADIE_DAL_PORT, 0, 0, 0); |
| 606 | if (!adie) { |
| 607 | pr_err("audio_init: cannot attach to adie\n"); |
| 608 | res = -ENODEV; |
| 609 | goto done; |
| 610 | } |
| 611 | if (check_version(adie, ADIE_DAL_VERSION) != 0) { |
| 612 | pr_err("Incompatablie adie version\n"); |
| 613 | res = -ENODEV; |
| 614 | goto done; |
| 615 | } |
| 616 | if (analog_ops->init) |
| 617 | analog_ops->init(); |
| 618 | |
| 619 | res = 0; |
| 620 | ac_control = ac; |
| 621 | |
Stephen Boyd | 2fcabf9 | 2012-05-30 10:41:11 -0700 | [diff] [blame] | 622 | pm_qos_add_request(&pm_qos_req, PM_QOS_CPU_DMA_LATENCY, |
| 623 | PM_QOS_DEFAULT_VALUE); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 624 | done: |
| 625 | if ((res < 0) && ac) |
| 626 | audio_client_free(ac); |
| 627 | mutex_unlock(&audio_lock); |
| 628 | |
| 629 | return res; |
| 630 | } |
| 631 | |
| 632 | static int acdb_get_config_table(uint32_t device_id, uint32_t sample_rate) |
| 633 | { |
| 634 | struct acdb_cmd_device_table rpc; |
| 635 | struct acdb_result res; |
| 636 | int r; |
| 637 | |
| 638 | if (q6audio_init()) |
| 639 | return 0; |
| 640 | |
| 641 | memset(audio_data, 0, 4096); |
| 642 | memset(&rpc, 0, sizeof(rpc)); |
| 643 | |
| 644 | rpc.size = sizeof(rpc) - (2 * sizeof(uint32_t)); |
| 645 | rpc.command_id = ACDB_GET_DEVICE_TABLE; |
| 646 | rpc.device_id = q6_device_to_cad_id(device_id); |
| 647 | rpc.network_id = 0x00010023; |
| 648 | rpc.sample_rate_id = sample_rate; |
| 649 | rpc.total_bytes = 4096; |
| 650 | rpc.unmapped_buf = audio_phys; |
| 651 | rpc.res_size = sizeof(res) - (2 * sizeof(uint32_t)); |
| 652 | |
| 653 | r = dal_call(acdb, ACDB_OP_IOCTL, 8, &rpc, sizeof(rpc), |
| 654 | &res, sizeof(res)); |
| 655 | |
| 656 | if ((r == sizeof(res)) && (res.dal_status == 0)) |
| 657 | return res.used_bytes; |
| 658 | |
| 659 | return -EIO; |
| 660 | } |
| 661 | |
| 662 | static uint32_t audio_rx_path_id = ADIE_PATH_HANDSET_RX; |
| 663 | static uint32_t audio_rx_device_id = ADSP_AUDIO_DEVICE_ID_HANDSET_SPKR; |
| 664 | static uint32_t audio_rx_device_group = -1; |
| 665 | static uint32_t audio_tx_path_id = ADIE_PATH_HANDSET_TX; |
| 666 | static uint32_t audio_tx_device_id = ADSP_AUDIO_DEVICE_ID_HANDSET_MIC; |
| 667 | static uint32_t audio_tx_device_group = -1; |
| 668 | |
| 669 | static int qdsp6_devchg_notify(struct audio_client *ac, |
| 670 | uint32_t dev_type, uint32_t dev_id) |
| 671 | { |
| 672 | struct adsp_device_switch_command rpc; |
| 673 | |
| 674 | if (dev_type != ADSP_AUDIO_RX_DEVICE && |
| 675 | dev_type != ADSP_AUDIO_TX_DEVICE) |
| 676 | return -EINVAL; |
| 677 | |
| 678 | memset(&rpc, 0, sizeof(rpc)); |
| 679 | rpc.hdr.opcode = ADSP_AUDIO_IOCTL_CMD_DEVICE_SWITCH_PREPARE; |
| 680 | rpc.hdr.dest = AUDIO_ADDR(DOMAIN_DSP, ac->session, 0); |
| 681 | rpc.hdr.src = AUDIO_ADDR(DOMAIN_APP, ac->session, 0); |
| 682 | |
| 683 | if (dev_type == ADSP_AUDIO_RX_DEVICE) { |
| 684 | rpc.old_device = audio_rx_device_id; |
| 685 | rpc.new_device = dev_id; |
| 686 | } else { |
| 687 | rpc.old_device = audio_tx_device_id; |
| 688 | rpc.new_device = dev_id; |
| 689 | } |
| 690 | rpc.device_class = 0; |
| 691 | rpc.device_type = dev_type; |
| 692 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 693 | } |
| 694 | |
| 695 | static int qdsp6_standby(struct audio_client *ac) |
| 696 | { |
| 697 | return audio_command(ac, ADSP_AUDIO_IOCTL_CMD_DEVICE_SWITCH_STANDBY); |
| 698 | } |
| 699 | |
| 700 | static int qdsp6_start(struct audio_client *ac) |
| 701 | { |
| 702 | return audio_command(ac, ADSP_AUDIO_IOCTL_CMD_DEVICE_SWITCH_COMMIT); |
| 703 | } |
| 704 | |
| 705 | static void audio_rx_analog_enable(int en) |
| 706 | { |
| 707 | switch (audio_rx_device_id) { |
| 708 | case ADSP_AUDIO_DEVICE_ID_HEADSET_SPKR_MONO: |
| 709 | case ADSP_AUDIO_DEVICE_ID_HEADSET_SPKR_STEREO: |
| 710 | case ADSP_AUDIO_DEVICE_ID_TTY_HEADSET_SPKR: |
| 711 | if (analog_ops->headset_enable) |
| 712 | analog_ops->headset_enable(en); |
| 713 | break; |
| 714 | case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MONO_W_MONO_HEADSET: |
| 715 | case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MONO_W_STEREO_HEADSET: |
| 716 | case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_STEREO_W_MONO_HEADSET: |
| 717 | case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_STEREO_W_STEREO_HEADSET: |
| 718 | if (analog_ops->headset_enable) |
| 719 | analog_ops->headset_enable(en); |
| 720 | if (analog_ops->speaker_enable) |
| 721 | analog_ops->speaker_enable(en); |
| 722 | break; |
| 723 | case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MONO: |
| 724 | case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_STEREO: |
| 725 | if (analog_ops->speaker_enable) |
| 726 | analog_ops->speaker_enable(en); |
| 727 | break; |
| 728 | case ADSP_AUDIO_DEVICE_ID_BT_SCO_SPKR: |
| 729 | if (analog_ops->bt_sco_enable) |
| 730 | analog_ops->bt_sco_enable(en); |
| 731 | break; |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | static void audio_tx_analog_enable(int en) |
| 736 | { |
| 737 | switch (audio_tx_device_id) { |
| 738 | case ADSP_AUDIO_DEVICE_ID_HANDSET_MIC: |
| 739 | case ADSP_AUDIO_DEVICE_ID_SPKR_PHONE_MIC: |
| 740 | if (analog_ops->int_mic_enable) |
| 741 | analog_ops->int_mic_enable(en); |
| 742 | break; |
| 743 | case ADSP_AUDIO_DEVICE_ID_HEADSET_MIC: |
| 744 | case ADSP_AUDIO_DEVICE_ID_TTY_HEADSET_MIC: |
| 745 | if (analog_ops->ext_mic_enable) |
| 746 | analog_ops->ext_mic_enable(en); |
| 747 | break; |
| 748 | case ADSP_AUDIO_DEVICE_ID_BT_SCO_MIC: |
| 749 | if (analog_ops->bt_sco_enable) |
| 750 | analog_ops->bt_sco_enable(en); |
| 751 | break; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | static void _audio_rx_path_enable(void) |
| 756 | { |
| 757 | uint32_t adev, sample_rate; |
| 758 | int sz; |
| 759 | uint32_t adie_params[5]; |
| 760 | |
| 761 | adev = audio_rx_device_id; |
| 762 | sample_rate = q6_device_to_rate(adev); |
| 763 | |
| 764 | sz = acdb_get_config_table(adev, sample_rate); |
| 765 | audio_set_table(ac_control, adev, sz); |
| 766 | |
| 767 | adie_params[0] = 4*sizeof(uint32_t); |
| 768 | adie_params[1] = audio_rx_path_id; |
| 769 | adie_params[2] = ADIE_PATH_RX; |
| 770 | adie_params[3] = 48000; |
| 771 | adie_params[4] = 256; |
| 772 | /*check for errors here*/ |
| 773 | if (!adie_set_path(adie, adie_params, sizeof(adie_params))) |
| 774 | pr_err("adie set rx path failed\n"); |
| 775 | |
| 776 | adie_proceed_to_stage(adie, ADIE_PATH_RX, |
| 777 | ADIE_STAGE_DIGITAL_READY); |
| 778 | adie_proceed_to_stage(adie, ADIE_PATH_RX, |
| 779 | ADIE_STAGE_DIGITAL_ANALOG_READY); |
| 780 | |
| 781 | audio_rx_analog_enable(1); |
| 782 | |
| 783 | audio_rx_mute(ac_control, adev, 0); |
| 784 | |
| 785 | audio_rx_volume(ac_control, adev, q6_device_volume(adev, 100)); |
| 786 | } |
| 787 | |
| 788 | static void _audio_tx_path_enable(void) |
| 789 | { |
| 790 | uint32_t adev; |
| 791 | int sz; |
| 792 | uint32_t adie_params[5]; |
| 793 | |
| 794 | adev = audio_tx_device_id; |
| 795 | |
| 796 | pr_info("audiolib: load %08x cfg table\n", adev); |
| 797 | |
| 798 | if (tx_clk_freq > 16000) { |
| 799 | adie_params[3] = 48000; |
| 800 | sz = acdb_get_config_table(adev, 48000); |
| 801 | |
| 802 | } else if (tx_clk_freq > 8000) { |
| 803 | adie_params[3] = 16000; |
| 804 | sz = acdb_get_config_table(adev, 16000); |
| 805 | } else { |
| 806 | |
| 807 | adie_params[3] = 8000; |
| 808 | sz = acdb_get_config_table(adev, 8000); |
| 809 | } |
| 810 | |
| 811 | pr_info("cfg table is %d bytes\n", sz); |
| 812 | audio_set_table(ac_control, adev, sz); |
| 813 | |
| 814 | pr_info("audiolib: set adie tx path\n"); |
| 815 | |
| 816 | adie_params[0] = 4*sizeof(uint32_t); |
| 817 | adie_params[1] = audio_tx_path_id; |
| 818 | adie_params[2] = ADIE_PATH_TX; |
| 819 | adie_params[4] = 256; |
| 820 | |
| 821 | if (!adie_set_path(adie, adie_params, sizeof(adie_params))) |
| 822 | pr_err("adie set tx path failed\n"); |
| 823 | |
| 824 | adie_proceed_to_stage(adie, ADIE_PATH_TX, |
| 825 | ADIE_STAGE_DIGITAL_READY); |
| 826 | adie_proceed_to_stage(adie, ADIE_PATH_TX, |
| 827 | ADIE_STAGE_DIGITAL_ANALOG_READY); |
| 828 | |
| 829 | audio_tx_analog_enable(1); |
| 830 | audio_tx_mute(ac_control, adev, tx_mute_status); |
| 831 | |
| 832 | if (!tx_mute_status) |
| 833 | audio_tx_volume(ac_control, adev, q6_device_volume(adev, 100)); |
| 834 | } |
| 835 | |
| 836 | static void _audio_rx_path_disable(void) |
| 837 | { |
| 838 | audio_rx_analog_enable(0); |
| 839 | |
| 840 | adie_proceed_to_stage(adie, ADIE_PATH_RX, ADIE_STAGE_ANALOG_OFF); |
| 841 | adie_proceed_to_stage(adie, ADIE_PATH_RX, ADIE_STAGE_DIGITAL_OFF); |
| 842 | } |
| 843 | |
| 844 | static void _audio_tx_path_disable(void) |
| 845 | { |
| 846 | audio_tx_analog_enable(0); |
| 847 | |
| 848 | adie_proceed_to_stage(adie, ADIE_PATH_TX, ADIE_STAGE_ANALOG_OFF); |
| 849 | adie_proceed_to_stage(adie, ADIE_PATH_TX, ADIE_STAGE_DIGITAL_OFF); |
| 850 | } |
| 851 | |
| 852 | static int icodec_rx_clk_refcount; |
| 853 | static int icodec_tx_clk_refcount; |
| 854 | static int ecodec_clk_refcount; |
| 855 | static int sdac_clk_refcount; |
| 856 | |
| 857 | static void _audio_rx_clk_enable(void) |
| 858 | { |
| 859 | uint32_t device_group = q6_device_to_codec(audio_rx_device_id); |
| 860 | |
| 861 | switch (device_group) { |
| 862 | case Q6_ICODEC_RX: |
| 863 | icodec_rx_clk_refcount++; |
| 864 | if (icodec_rx_clk_refcount == 1) { |
| 865 | clk_set_rate(icodec_rx_clk, 12288000); |
| 866 | clk_enable(icodec_rx_clk); |
| 867 | } |
| 868 | break; |
| 869 | case Q6_ECODEC_RX: |
| 870 | ecodec_clk_refcount++; |
| 871 | if (ecodec_clk_refcount == 1) { |
| 872 | clk_set_rate(ecodec_clk, 2048000); |
| 873 | clk_enable(ecodec_clk); |
| 874 | } |
| 875 | break; |
| 876 | case Q6_SDAC_RX: |
| 877 | sdac_clk_refcount++; |
| 878 | if (sdac_clk_refcount == 1) { |
| 879 | clk_set_rate(sdac_clk, 12288000); |
| 880 | clk_enable(sdac_clk); |
| 881 | } |
| 882 | break; |
| 883 | default: |
| 884 | return; |
| 885 | } |
| 886 | audio_rx_device_group = device_group; |
| 887 | } |
| 888 | |
| 889 | static void _audio_tx_clk_enable(void) |
| 890 | { |
| 891 | uint32_t device_group = q6_device_to_codec(audio_tx_device_id); |
| 892 | |
| 893 | switch (device_group) { |
| 894 | case Q6_ICODEC_TX: |
| 895 | icodec_tx_clk_refcount++; |
| 896 | if (icodec_tx_clk_refcount == 1) { |
| 897 | clk_set_rate(icodec_tx_clk, tx_clk_freq * 256); |
| 898 | clk_enable(icodec_tx_clk); |
| 899 | } |
| 900 | break; |
| 901 | case Q6_ECODEC_TX: |
| 902 | ecodec_clk_refcount++; |
| 903 | if (ecodec_clk_refcount == 1) { |
| 904 | clk_set_rate(ecodec_clk, 2048000); |
| 905 | clk_enable(ecodec_clk); |
| 906 | } |
| 907 | break; |
| 908 | case Q6_SDAC_TX: |
| 909 | /* TODO: In QCT BSP, clk rate was set to 20480000 */ |
| 910 | sdac_clk_refcount++; |
| 911 | if (sdac_clk_refcount == 1) { |
| 912 | clk_set_rate(sdac_clk, 12288000); |
| 913 | clk_enable(sdac_clk); |
| 914 | } |
| 915 | break; |
| 916 | default: |
| 917 | return; |
| 918 | } |
| 919 | audio_tx_device_group = device_group; |
| 920 | } |
| 921 | |
| 922 | static void _audio_rx_clk_disable(void) |
| 923 | { |
| 924 | switch (audio_rx_device_group) { |
| 925 | case Q6_ICODEC_RX: |
| 926 | icodec_rx_clk_refcount--; |
| 927 | if (icodec_rx_clk_refcount == 0) { |
| 928 | clk_disable(icodec_rx_clk); |
| 929 | audio_rx_device_group = -1; |
| 930 | } |
| 931 | break; |
| 932 | case Q6_ECODEC_RX: |
| 933 | ecodec_clk_refcount--; |
| 934 | if (ecodec_clk_refcount == 0) { |
| 935 | clk_disable(ecodec_clk); |
| 936 | audio_rx_device_group = -1; |
| 937 | } |
| 938 | break; |
| 939 | case Q6_SDAC_RX: |
| 940 | sdac_clk_refcount--; |
| 941 | if (sdac_clk_refcount == 0) { |
| 942 | clk_disable(sdac_clk); |
| 943 | audio_rx_device_group = -1; |
| 944 | } |
| 945 | break; |
| 946 | default: |
| 947 | pr_err("audiolib: invalid rx device group %d\n", |
| 948 | audio_rx_device_group); |
| 949 | break; |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | static void _audio_tx_clk_disable(void) |
| 954 | { |
| 955 | switch (audio_tx_device_group) { |
| 956 | case Q6_ICODEC_TX: |
| 957 | icodec_tx_clk_refcount--; |
| 958 | if (icodec_tx_clk_refcount == 0) { |
| 959 | clk_disable(icodec_tx_clk); |
| 960 | audio_tx_device_group = -1; |
| 961 | } |
| 962 | break; |
| 963 | case Q6_ECODEC_TX: |
| 964 | ecodec_clk_refcount--; |
| 965 | if (ecodec_clk_refcount == 0) { |
| 966 | clk_disable(ecodec_clk); |
| 967 | audio_tx_device_group = -1; |
| 968 | } |
| 969 | break; |
| 970 | case Q6_SDAC_TX: |
| 971 | sdac_clk_refcount--; |
| 972 | if (sdac_clk_refcount == 0) { |
| 973 | clk_disable(sdac_clk); |
| 974 | audio_tx_device_group = -1; |
| 975 | } |
| 976 | break; |
| 977 | default: |
| 978 | pr_err("audiolib: invalid tx device group %d\n", |
| 979 | audio_tx_device_group); |
| 980 | break; |
| 981 | } |
| 982 | } |
| 983 | |
| 984 | static void _audio_rx_clk_reinit(uint32_t rx_device) |
| 985 | { |
| 986 | uint32_t device_group = q6_device_to_codec(rx_device); |
| 987 | |
| 988 | if (device_group != audio_rx_device_group) |
| 989 | _audio_rx_clk_disable(); |
| 990 | |
| 991 | audio_rx_device_id = rx_device; |
| 992 | audio_rx_path_id = q6_device_to_path(rx_device); |
| 993 | |
| 994 | if (device_group != audio_rx_device_group) |
| 995 | _audio_rx_clk_enable(); |
| 996 | |
| 997 | } |
| 998 | |
| 999 | static void _audio_tx_clk_reinit(uint32_t tx_device) |
| 1000 | { |
| 1001 | uint32_t device_group = q6_device_to_codec(tx_device); |
| 1002 | |
| 1003 | if (device_group != audio_tx_device_group) |
| 1004 | _audio_tx_clk_disable(); |
| 1005 | |
| 1006 | audio_tx_device_id = tx_device; |
| 1007 | audio_tx_path_id = q6_device_to_path(tx_device); |
| 1008 | |
| 1009 | if (device_group != audio_tx_device_group) |
| 1010 | _audio_tx_clk_enable(); |
| 1011 | } |
| 1012 | |
| 1013 | static DEFINE_MUTEX(audio_path_lock); |
| 1014 | static int audio_rx_path_refcount; |
| 1015 | static int audio_tx_path_refcount; |
| 1016 | |
| 1017 | static int audio_rx_path_enable(int en) |
| 1018 | { |
| 1019 | mutex_lock(&audio_path_lock); |
| 1020 | if (en) { |
| 1021 | audio_rx_path_refcount++; |
| 1022 | if (audio_rx_path_refcount == 1) { |
| 1023 | adie_enable(); |
| 1024 | _audio_rx_clk_enable(); |
| 1025 | _audio_rx_path_enable(); |
| 1026 | } |
| 1027 | } else { |
| 1028 | audio_rx_path_refcount--; |
| 1029 | if (audio_rx_path_refcount == 0) { |
| 1030 | _audio_rx_path_disable(); |
| 1031 | _audio_rx_clk_disable(); |
| 1032 | adie_disable(); |
| 1033 | } |
| 1034 | } |
| 1035 | mutex_unlock(&audio_path_lock); |
| 1036 | return 0; |
| 1037 | } |
| 1038 | |
| 1039 | static int audio_tx_path_enable(int en) |
| 1040 | { |
| 1041 | mutex_lock(&audio_path_lock); |
| 1042 | if (en) { |
| 1043 | audio_tx_path_refcount++; |
| 1044 | if (audio_tx_path_refcount == 1) { |
| 1045 | adie_enable(); |
| 1046 | _audio_tx_clk_enable(); |
| 1047 | _audio_tx_path_enable(); |
| 1048 | } |
| 1049 | } else { |
| 1050 | audio_tx_path_refcount--; |
| 1051 | if (audio_tx_path_refcount == 0) { |
| 1052 | _audio_tx_path_disable(); |
| 1053 | _audio_tx_clk_disable(); |
| 1054 | adie_disable(); |
| 1055 | } |
| 1056 | } |
| 1057 | mutex_unlock(&audio_path_lock); |
| 1058 | return 0; |
| 1059 | } |
| 1060 | |
| 1061 | int q6audio_update_acdb(uint32_t id_src, uint32_t id_dst) |
| 1062 | { |
| 1063 | mutex_lock(&audio_path_lock); |
| 1064 | mutex_unlock(&audio_path_lock); |
| 1065 | return 0; |
| 1066 | } |
| 1067 | |
| 1068 | int q6audio_set_tx_mute(int mute) |
| 1069 | { |
| 1070 | uint32_t adev; |
| 1071 | int rc; |
| 1072 | |
| 1073 | if (q6audio_init()) |
| 1074 | return 0; |
| 1075 | |
| 1076 | mutex_lock(&audio_path_lock); |
| 1077 | |
| 1078 | if (mute == tx_mute_status) { |
| 1079 | mutex_unlock(&audio_path_lock); |
| 1080 | return 0; |
| 1081 | } |
| 1082 | |
| 1083 | adev = audio_tx_device_id; |
| 1084 | rc = audio_tx_mute(ac_control, adev, mute); |
| 1085 | if (!rc) |
| 1086 | tx_mute_status = mute; |
| 1087 | mutex_unlock(&audio_path_lock); |
| 1088 | return 0; |
| 1089 | } |
| 1090 | |
| 1091 | int q6audio_set_rx_volume(int level) |
| 1092 | { |
| 1093 | uint32_t adev; |
| 1094 | int vol; |
| 1095 | |
| 1096 | if (q6audio_init()) |
| 1097 | return 0; |
| 1098 | |
| 1099 | if (level < 0 || level > 100) |
| 1100 | return -EINVAL; |
| 1101 | |
| 1102 | mutex_lock(&audio_path_lock); |
| 1103 | adev = audio_rx_device_id; |
| 1104 | vol = q6_device_volume(adev, level); |
| 1105 | audio_rx_mute(ac_control, adev, 0); |
| 1106 | audio_rx_volume(ac_control, adev, vol); |
| 1107 | mutex_unlock(&audio_path_lock); |
| 1108 | return 0; |
| 1109 | } |
| 1110 | |
| 1111 | static void do_rx_routing(uint32_t device_id) |
| 1112 | { |
| 1113 | int sz; |
| 1114 | uint32_t sample_rate; |
| 1115 | |
| 1116 | if (device_id == audio_rx_device_id) |
| 1117 | return; |
| 1118 | |
| 1119 | if (audio_rx_path_refcount > 0) { |
| 1120 | qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE, |
| 1121 | device_id); |
| 1122 | _audio_rx_path_disable(); |
| 1123 | _audio_rx_clk_reinit(device_id); |
| 1124 | _audio_rx_path_enable(); |
| 1125 | } else { |
| 1126 | sample_rate = q6_device_to_rate(device_id); |
| 1127 | sz = acdb_get_config_table(device_id, sample_rate); |
| 1128 | if (sz < 0) |
| 1129 | pr_err("could not get ACDB config table\n"); |
| 1130 | |
| 1131 | audio_set_table(ac_control, device_id, sz); |
| 1132 | qdsp6_devchg_notify(ac_control, ADSP_AUDIO_RX_DEVICE, |
| 1133 | device_id); |
| 1134 | qdsp6_standby(ac_control); |
| 1135 | qdsp6_start(ac_control); |
| 1136 | audio_rx_device_id = device_id; |
| 1137 | audio_rx_path_id = q6_device_to_path(device_id); |
| 1138 | } |
| 1139 | } |
| 1140 | |
| 1141 | static void do_tx_routing(uint32_t device_id) |
| 1142 | { |
| 1143 | int sz; |
| 1144 | uint32_t sample_rate; |
| 1145 | |
| 1146 | if (device_id == audio_tx_device_id) |
| 1147 | return; |
| 1148 | |
| 1149 | if (audio_tx_path_refcount > 0) { |
| 1150 | qdsp6_devchg_notify(ac_control, ADSP_AUDIO_TX_DEVICE, |
| 1151 | device_id); |
| 1152 | _audio_tx_path_disable(); |
| 1153 | _audio_tx_clk_reinit(device_id); |
| 1154 | _audio_tx_path_enable(); |
| 1155 | } else { |
| 1156 | sample_rate = q6_device_to_rate(device_id); |
| 1157 | sz = acdb_get_config_table(device_id, sample_rate); |
| 1158 | audio_set_table(ac_control, device_id, sz); |
| 1159 | qdsp6_devchg_notify(ac_control, ADSP_AUDIO_TX_DEVICE, |
| 1160 | device_id); |
| 1161 | qdsp6_standby(ac_control); |
| 1162 | qdsp6_start(ac_control); |
| 1163 | audio_tx_device_id = device_id; |
| 1164 | audio_tx_path_id = q6_device_to_path(device_id); |
| 1165 | } |
| 1166 | } |
| 1167 | |
| 1168 | int q6audio_do_routing(uint32_t device_id) |
| 1169 | { |
| 1170 | if (q6audio_init()) |
| 1171 | return 0; |
| 1172 | |
| 1173 | mutex_lock(&audio_path_lock); |
| 1174 | |
| 1175 | switch (q6_device_to_dir(device_id)) { |
| 1176 | case Q6_RX: |
| 1177 | do_rx_routing(device_id); |
| 1178 | break; |
| 1179 | case Q6_TX: |
| 1180 | do_tx_routing(device_id); |
| 1181 | break; |
| 1182 | } |
| 1183 | |
| 1184 | mutex_unlock(&audio_path_lock); |
| 1185 | return 0; |
| 1186 | } |
| 1187 | |
| 1188 | int q6audio_set_route(const char *name) |
| 1189 | { |
| 1190 | uint32_t route; |
| 1191 | if (!strcmp(name, "speaker")) |
| 1192 | route = ADIE_PATH_SPEAKER_STEREO_RX; |
| 1193 | else if (!strcmp(name, "headphones")) |
| 1194 | route = ADIE_PATH_HEADSET_STEREO_RX; |
| 1195 | else if (!strcmp(name, "handset")) |
| 1196 | route = ADIE_PATH_HANDSET_RX; |
| 1197 | else |
| 1198 | return -EINVAL; |
| 1199 | |
| 1200 | mutex_lock(&audio_path_lock); |
| 1201 | if (route == audio_rx_path_id) |
| 1202 | goto done; |
| 1203 | |
| 1204 | audio_rx_path_id = route; |
| 1205 | |
| 1206 | if (audio_rx_path_refcount > 0) { |
| 1207 | _audio_rx_path_disable(); |
| 1208 | _audio_rx_path_enable(); |
| 1209 | } |
| 1210 | if (audio_tx_path_refcount > 0) { |
| 1211 | _audio_tx_path_disable(); |
| 1212 | _audio_tx_path_enable(); |
| 1213 | } |
| 1214 | done: |
| 1215 | mutex_unlock(&audio_path_lock); |
| 1216 | return 0; |
| 1217 | } |
| 1218 | |
| 1219 | struct audio_client *q6audio_open(uint32_t flags, uint32_t bufsz) |
| 1220 | { |
| 1221 | struct audio_client *ac; |
| 1222 | |
| 1223 | if (q6audio_init()) |
| 1224 | return 0; |
| 1225 | |
| 1226 | ac = audio_client_alloc(bufsz); |
| 1227 | if (!ac) |
| 1228 | return 0; |
| 1229 | |
| 1230 | ac->flags = flags; |
| 1231 | if (ac->flags & AUDIO_FLAG_WRITE) |
| 1232 | audio_rx_path_enable(1); |
| 1233 | else |
| 1234 | audio_tx_path_enable(1); |
| 1235 | |
| 1236 | return ac; |
| 1237 | } |
| 1238 | |
| 1239 | int q6audio_start(struct audio_client *ac, void *rpc, |
| 1240 | uint32_t len) |
| 1241 | { |
| 1242 | |
| 1243 | audio_ioctl(ac, rpc, len); |
| 1244 | |
| 1245 | audio_command(ac, ADSP_AUDIO_IOCTL_CMD_SESSION_START); |
| 1246 | |
| 1247 | if (!(ac->flags & AUDIO_FLAG_WRITE)) { |
| 1248 | ac->buf[0].used = 1; |
| 1249 | ac->buf[1].used = 1; |
| 1250 | q6audio_read(ac, &ac->buf[0]); |
| 1251 | q6audio_read(ac, &ac->buf[1]); |
| 1252 | } |
| 1253 | |
| 1254 | audio_prevent_sleep(); |
| 1255 | return 0; |
| 1256 | } |
| 1257 | |
| 1258 | int q6audio_close(struct audio_client *ac) |
| 1259 | { |
| 1260 | audio_close(ac); |
| 1261 | |
| 1262 | if (ac->flags & AUDIO_FLAG_WRITE) |
| 1263 | audio_rx_path_enable(0); |
| 1264 | else |
| 1265 | audio_tx_path_enable(0); |
| 1266 | |
| 1267 | audio_client_free(ac); |
| 1268 | audio_allow_sleep(); |
| 1269 | return 0; |
| 1270 | } |
| 1271 | |
| 1272 | struct audio_client *q6voice_open(void) |
| 1273 | { |
| 1274 | struct audio_client *ac; |
| 1275 | |
| 1276 | if (q6audio_init()) |
| 1277 | return 0; |
| 1278 | |
| 1279 | ac = audio_client_alloc(0); |
| 1280 | if (!ac) |
| 1281 | return 0; |
| 1282 | |
| 1283 | return ac; |
| 1284 | } |
| 1285 | |
| 1286 | int q6voice_setup(void) |
| 1287 | { |
| 1288 | audio_rx_path_enable(1); |
| 1289 | tx_clk_freq = 8000; |
| 1290 | audio_tx_path_enable(1); |
| 1291 | |
| 1292 | return 0; |
| 1293 | } |
| 1294 | |
| 1295 | int q6voice_teardown(void) |
| 1296 | { |
| 1297 | audio_rx_path_enable(0); |
| 1298 | audio_tx_path_enable(0); |
| 1299 | return 0; |
| 1300 | } |
| 1301 | |
| 1302 | |
| 1303 | int q6voice_close(struct audio_client *ac) |
| 1304 | { |
| 1305 | audio_client_free(ac); |
| 1306 | return 0; |
| 1307 | } |
| 1308 | |
| 1309 | int q6audio_async(struct audio_client *ac) |
| 1310 | { |
| 1311 | struct adsp_command_hdr rpc; |
| 1312 | memset(&rpc, 0, sizeof(rpc)); |
| 1313 | rpc.opcode = ADSP_AUDIO_IOCTL_CMD_STREAM_EOS; |
| 1314 | rpc.response_type = ADSP_AUDIO_RESPONSE_ASYNC; |
| 1315 | return audio_ioctl(ac, &rpc, sizeof(rpc)); |
| 1316 | } |