| 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* |
| 3 | * wm_adsp.c -- Wolfson ADSP support |
| 4 | * |
| 5 | * Copyright 2012 Wolfson Microelectronics plc |
| 6 | * |
| 7 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
| 8 | */ |
| 9 | |
| 10 | #include <linux/array_size.h> |
| 11 | #include <linux/cleanup.h> |
| 12 | #include <linux/ctype.h> |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/moduleparam.h> |
| 15 | #include <linux/init.h> |
| 16 | #include <linux/delay.h> |
| 17 | #include <linux/firmware.h> |
| 18 | #include <linux/list.h> |
| 19 | #include <linux/pm.h> |
| 20 | #include <linux/regmap.h> |
| 21 | #include <linux/regulator/consumer.h> |
| 22 | #include <linux/slab.h> |
| 23 | #include <linux/string.h> |
| 24 | #include <linux/workqueue.h> |
| 25 | #include <linux/debugfs.h> |
| 26 | #include <sound/core.h> |
| 27 | #include <sound/pcm.h> |
| 28 | #include <sound/pcm_params.h> |
| 29 | #include <sound/soc.h> |
| 30 | #include <sound/jack.h> |
| 31 | #include <sound/initval.h> |
| 32 | #include <sound/tlv.h> |
| 33 | |
| 34 | #include "wm_adsp.h" |
| 35 | |
| 36 | #define adsp_crit(_dsp, fmt, ...) \ |
| 37 | dev_crit(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) |
| 38 | #define adsp_err(_dsp, fmt, ...) \ |
| 39 | dev_err(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) |
| 40 | #define adsp_warn(_dsp, fmt, ...) \ |
| 41 | dev_warn(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) |
| 42 | #define adsp_info(_dsp, fmt, ...) \ |
| 43 | dev_info(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) |
| 44 | #define adsp_dbg(_dsp, fmt, ...) \ |
| 45 | dev_dbg(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__) |
| 46 | |
| 47 | #define compr_err(_obj, fmt, ...) \ |
| 48 | adsp_err(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ |
| 49 | ##__VA_ARGS__) |
| 50 | #define compr_dbg(_obj, fmt, ...) \ |
| 51 | adsp_dbg(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \ |
| 52 | ##__VA_ARGS__) |
| 53 | |
| 54 | #define ADSP_MAX_STD_CTRL_SIZE 512 |
| 55 | |
| 56 | static const struct cs_dsp_client_ops wm_adsp1_client_ops; |
| 57 | static const struct cs_dsp_client_ops wm_adsp2_client_ops; |
| 58 | |
| 59 | #define WM_ADSP_FW_MBC_VSS 0 |
| 60 | #define WM_ADSP_FW_HIFI 1 |
| 61 | #define WM_ADSP_FW_TX 2 |
| 62 | #define WM_ADSP_FW_TX_SPK 3 |
| 63 | #define WM_ADSP_FW_RX 4 |
| 64 | #define WM_ADSP_FW_RX_ANC 5 |
| 65 | #define WM_ADSP_FW_CTRL 6 |
| 66 | #define WM_ADSP_FW_ASR 7 |
| 67 | #define WM_ADSP_FW_TRACE 8 |
| 68 | #define WM_ADSP_FW_SPK_PROT 9 |
| 69 | #define WM_ADSP_FW_SPK_CALI 10 |
| 70 | #define WM_ADSP_FW_SPK_DIAG 11 |
| 71 | #define WM_ADSP_FW_MISC 12 |
| 72 | |
| 73 | #define WM_ADSP_NUM_FW 13 |
| 74 | |
| 75 | static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = { |
| 76 | [WM_ADSP_FW_MBC_VSS] = "MBC/VSS" , |
| 77 | [WM_ADSP_FW_HIFI] = "MasterHiFi" , |
| 78 | [WM_ADSP_FW_TX] = "Tx" , |
| 79 | [WM_ADSP_FW_TX_SPK] = "Tx Speaker" , |
| 80 | [WM_ADSP_FW_RX] = "Rx" , |
| 81 | [WM_ADSP_FW_RX_ANC] = "Rx ANC" , |
| 82 | [WM_ADSP_FW_CTRL] = "Voice Ctrl" , |
| 83 | [WM_ADSP_FW_ASR] = "ASR Assist" , |
| 84 | [WM_ADSP_FW_TRACE] = "Dbg Trace" , |
| 85 | [WM_ADSP_FW_SPK_PROT] = "Protection" , |
| 86 | [WM_ADSP_FW_SPK_CALI] = "Calibration" , |
| 87 | [WM_ADSP_FW_SPK_DIAG] = "Diagnostic" , |
| 88 | [WM_ADSP_FW_MISC] = "Misc" , |
| 89 | }; |
| 90 | |
| 91 | struct wm_adsp_system_config_xm_hdr { |
| 92 | __be32 sys_enable; |
| 93 | __be32 fw_id; |
| 94 | __be32 fw_rev; |
| 95 | __be32 boot_status; |
| 96 | __be32 watchdog; |
| 97 | __be32 dma_buffer_size; |
| 98 | __be32 rdma[6]; |
| 99 | __be32 wdma[8]; |
| 100 | __be32 build_job_name[3]; |
| 101 | __be32 build_job_number; |
| 102 | } __packed; |
| 103 | |
| 104 | struct wm_halo_system_config_xm_hdr { |
| 105 | __be32 halo_heartbeat; |
| 106 | __be32 build_job_name[3]; |
| 107 | __be32 build_job_number; |
| 108 | } __packed; |
| 109 | |
| 110 | struct wm_adsp_alg_xm_struct { |
| 111 | __be32 magic; |
| 112 | __be32 smoothing; |
| 113 | __be32 threshold; |
| 114 | __be32 host_buf_ptr; |
| 115 | __be32 start_seq; |
| 116 | __be32 high_water_mark; |
| 117 | __be32 low_water_mark; |
| 118 | __be64 smoothed_power; |
| 119 | } __packed; |
| 120 | |
| 121 | struct wm_adsp_host_buf_coeff_v1 { |
| 122 | __be32 host_buf_ptr; /* Host buffer pointer */ |
| 123 | __be32 versions; /* Version numbers */ |
| 124 | __be32 name[4]; /* The buffer name */ |
| 125 | } __packed; |
| 126 | |
| 127 | struct wm_adsp_buffer { |
| 128 | __be32 buf1_base; /* Base addr of first buffer area */ |
| 129 | __be32 buf1_size; /* Size of buf1 area in DSP words */ |
| 130 | __be32 buf2_base; /* Base addr of 2nd buffer area */ |
| 131 | __be32 buf1_buf2_size; /* Size of buf1+buf2 in DSP words */ |
| 132 | __be32 buf3_base; /* Base addr of buf3 area */ |
| 133 | __be32 buf_total_size; /* Size of buf1+buf2+buf3 in DSP words */ |
| 134 | __be32 high_water_mark; /* Point at which IRQ is asserted */ |
| 135 | __be32 irq_count; /* bits 1-31 count IRQ assertions */ |
| 136 | __be32 irq_ack; /* acked IRQ count, bit 0 enables IRQ */ |
| 137 | __be32 next_write_index; /* word index of next write */ |
| 138 | __be32 next_read_index; /* word index of next read */ |
| 139 | __be32 error; /* error if any */ |
| 140 | __be32 oldest_block_index; /* word index of oldest surviving */ |
| 141 | __be32 requested_rewind; /* how many blocks rewind was done */ |
| 142 | __be32 reserved_space; /* internal */ |
| 143 | __be32 min_free; /* min free space since stream start */ |
| 144 | __be32 blocks_written[2]; /* total blocks written (64 bit) */ |
| 145 | __be32 words_written[2]; /* total words written (64 bit) */ |
| 146 | } __packed; |
| 147 | |
| 148 | struct wm_adsp_compr; |
| 149 | |
| 150 | struct wm_adsp_compr_buf { |
| 151 | struct list_head list; |
| 152 | struct wm_adsp *dsp; |
| 153 | struct wm_adsp_compr *compr; |
| 154 | |
| 155 | struct wm_adsp_buffer_region *regions; |
| 156 | u32 host_buf_ptr; |
| 157 | |
| 158 | u32 error; |
| 159 | u32 irq_count; |
| 160 | int read_index; |
| 161 | int avail; |
| 162 | int host_buf_mem_type; |
| 163 | |
| 164 | char *name; |
| 165 | }; |
| 166 | |
| 167 | struct wm_adsp_compr { |
| 168 | struct list_head list; |
| 169 | struct wm_adsp *dsp; |
| 170 | struct wm_adsp_compr_buf *buf; |
| 171 | |
| 172 | struct snd_compr_stream *stream; |
| 173 | struct snd_compressed_buffer size; |
| 174 | |
| 175 | u32 *raw_buf; |
| 176 | u64 copied_total; |
| 177 | |
| 178 | unsigned int sample_rate; |
| 179 | |
| 180 | const char *name; |
| 181 | }; |
| 182 | |
| 183 | #define WM_ADSP_MIN_FRAGMENTS 1 |
| 184 | #define WM_ADSP_MAX_FRAGMENTS 256 |
| 185 | #define WM_ADSP_MIN_FRAGMENT_SIZE (16 * CS_DSP_DATA_WORD_SIZE) |
| 186 | #define WM_ADSP_MAX_FRAGMENT_SIZE (4096 * CS_DSP_DATA_WORD_SIZE) |
| 187 | |
| 188 | #define WM_ADSP_ALG_XM_STRUCT_MAGIC 0x49aec7 |
| 189 | |
| 190 | #define HOST_BUFFER_FIELD(field) \ |
| 191 | (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32)) |
| 192 | |
| 193 | #define ALG_XM_FIELD(field) \ |
| 194 | (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32)) |
| 195 | |
| 196 | #define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER 1 |
| 197 | |
| 198 | #define HOST_BUF_COEFF_COMPAT_VER_MASK 0xFF00 |
| 199 | #define HOST_BUF_COEFF_COMPAT_VER_SHIFT 8 |
| 200 | |
| 201 | static int wm_adsp_buffer_init(struct wm_adsp *dsp); |
| 202 | static int wm_adsp_buffer_free(struct wm_adsp *dsp); |
| 203 | |
| 204 | struct wm_adsp_buffer_region { |
| 205 | unsigned int offset; |
| 206 | unsigned int cumulative_size; |
| 207 | unsigned int mem_type; |
| 208 | unsigned int base_addr; |
| 209 | }; |
| 210 | |
| 211 | struct wm_adsp_buffer_region_def { |
| 212 | unsigned int mem_type; |
| 213 | unsigned int base_offset; |
| 214 | unsigned int size_offset; |
| 215 | }; |
| 216 | |
| 217 | static const struct wm_adsp_buffer_region_def default_regions[] = { |
| 218 | { |
| 219 | .mem_type = WMFW_ADSP2_XM, |
| 220 | .base_offset = HOST_BUFFER_FIELD(buf1_base), |
| 221 | .size_offset = HOST_BUFFER_FIELD(buf1_size), |
| 222 | }, |
| 223 | { |
| 224 | .mem_type = WMFW_ADSP2_XM, |
| 225 | .base_offset = HOST_BUFFER_FIELD(buf2_base), |
| 226 | .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size), |
| 227 | }, |
| 228 | { |
| 229 | .mem_type = WMFW_ADSP2_YM, |
| 230 | .base_offset = HOST_BUFFER_FIELD(buf3_base), |
| 231 | .size_offset = HOST_BUFFER_FIELD(buf_total_size), |
| 232 | }, |
| 233 | }; |
| 234 | |
| 235 | struct wm_adsp_fw_caps { |
| 236 | u32 id; |
| 237 | struct snd_codec_desc desc; |
| 238 | int num_regions; |
| 239 | const struct wm_adsp_buffer_region_def *region_defs; |
| 240 | }; |
| 241 | |
| 242 | static const struct wm_adsp_fw_caps ctrl_caps[] = { |
| 243 | { |
| 244 | .id = SND_AUDIOCODEC_BESPOKE, |
| 245 | .desc = { |
| 246 | .max_ch = 8, |
| 247 | .sample_rates = { 16000 }, |
| 248 | .num_sample_rates = 1, |
| 249 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 250 | }, |
| 251 | .num_regions = ARRAY_SIZE(default_regions), |
| 252 | .region_defs = default_regions, |
| 253 | }, |
| 254 | }; |
| 255 | |
| 256 | static const struct wm_adsp_fw_caps trace_caps[] = { |
| 257 | { |
| 258 | .id = SND_AUDIOCODEC_BESPOKE, |
| 259 | .desc = { |
| 260 | .max_ch = 8, |
| 261 | .sample_rates = { |
| 262 | 4000, 8000, 11025, 12000, 16000, 22050, |
| 263 | 24000, 32000, 44100, 48000, 64000, 88200, |
| 264 | 96000, 176400, 192000 |
| 265 | }, |
| 266 | .num_sample_rates = 15, |
| 267 | .formats = SNDRV_PCM_FMTBIT_S16_LE, |
| 268 | }, |
| 269 | .num_regions = ARRAY_SIZE(default_regions), |
| 270 | .region_defs = default_regions, |
| 271 | }, |
| 272 | }; |
| 273 | |
| 274 | static const struct { |
| 275 | const char *file; |
| 276 | int compr_direction; |
| 277 | int num_caps; |
| 278 | const struct wm_adsp_fw_caps *caps; |
| 279 | bool voice_trigger; |
| 280 | } wm_adsp_fw[WM_ADSP_NUM_FW] = { |
| 281 | [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" }, |
| 282 | [WM_ADSP_FW_HIFI] = { .file = "hifi" }, |
| 283 | [WM_ADSP_FW_TX] = { .file = "tx" }, |
| 284 | [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" }, |
| 285 | [WM_ADSP_FW_RX] = { .file = "rx" }, |
| 286 | [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" }, |
| 287 | [WM_ADSP_FW_CTRL] = { |
| 288 | .file = "ctrl" , |
| 289 | .compr_direction = SND_COMPRESS_CAPTURE, |
| 290 | .num_caps = ARRAY_SIZE(ctrl_caps), |
| 291 | .caps = ctrl_caps, |
| 292 | .voice_trigger = true, |
| 293 | }, |
| 294 | [WM_ADSP_FW_ASR] = { .file = "asr" }, |
| 295 | [WM_ADSP_FW_TRACE] = { |
| 296 | .file = "trace" , |
| 297 | .compr_direction = SND_COMPRESS_CAPTURE, |
| 298 | .num_caps = ARRAY_SIZE(trace_caps), |
| 299 | .caps = trace_caps, |
| 300 | }, |
| 301 | [WM_ADSP_FW_SPK_PROT] = { |
| 302 | .file = "spk-prot" , |
| 303 | .compr_direction = SND_COMPRESS_CAPTURE, |
| 304 | .num_caps = ARRAY_SIZE(trace_caps), |
| 305 | .caps = trace_caps, |
| 306 | }, |
| 307 | [WM_ADSP_FW_SPK_CALI] = { .file = "spk-cali" }, |
| 308 | [WM_ADSP_FW_SPK_DIAG] = { .file = "spk-diag" }, |
| 309 | [WM_ADSP_FW_MISC] = { .file = "misc" }, |
| 310 | }; |
| 311 | |
| 312 | struct wm_coeff_ctl { |
| 313 | const char *name; |
| 314 | struct cs_dsp_coeff_ctl *cs_ctl; |
| 315 | struct soc_bytes_ext bytes_ext; |
| 316 | struct work_struct work; |
| 317 | }; |
| 318 | |
| 319 | int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, |
| 320 | struct snd_ctl_elem_value *ucontrol) |
| 321 | { |
| 322 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
| 323 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
| 324 | struct wm_adsp *dsp = snd_soc_component_get_drvdata(c: component); |
| 325 | |
| 326 | ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw; |
| 327 | |
| 328 | return 0; |
| 329 | } |
| 330 | EXPORT_SYMBOL_GPL(wm_adsp_fw_get); |
| 331 | |
| 332 | int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, |
| 333 | struct snd_ctl_elem_value *ucontrol) |
| 334 | { |
| 335 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
| 336 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
| 337 | struct wm_adsp *dsp = snd_soc_component_get_drvdata(c: component); |
| 338 | int ret = 1; |
| 339 | |
| 340 | if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw) |
| 341 | return 0; |
| 342 | |
| 343 | if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW) |
| 344 | return -EINVAL; |
| 345 | |
| 346 | mutex_lock(&dsp[e->shift_l].cs_dsp.pwr_lock); |
| 347 | |
| 348 | if (dsp[e->shift_l].cs_dsp.booted || !list_empty(head: &dsp[e->shift_l].compr_list)) |
| 349 | ret = -EBUSY; |
| 350 | else |
| 351 | dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0]; |
| 352 | |
| 353 | mutex_unlock(lock: &dsp[e->shift_l].cs_dsp.pwr_lock); |
| 354 | |
| 355 | return ret; |
| 356 | } |
| 357 | EXPORT_SYMBOL_GPL(wm_adsp_fw_put); |
| 358 | |
| 359 | const struct soc_enum wm_adsp_fw_enum[] = { |
| 360 | SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), |
| 361 | SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), |
| 362 | SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), |
| 363 | SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), |
| 364 | SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), |
| 365 | SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), |
| 366 | SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), |
| 367 | }; |
| 368 | EXPORT_SYMBOL_GPL(wm_adsp_fw_enum); |
| 369 | |
| 370 | static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext) |
| 371 | { |
| 372 | return container_of(ext, struct wm_coeff_ctl, bytes_ext); |
| 373 | } |
| 374 | |
| 375 | static int wm_coeff_info(struct snd_kcontrol *kctl, |
| 376 | struct snd_ctl_elem_info *uinfo) |
| 377 | { |
| 378 | struct soc_bytes_ext *bytes_ext = |
| 379 | (struct soc_bytes_ext *)kctl->private_value; |
| 380 | struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(ext: bytes_ext); |
| 381 | struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; |
| 382 | |
| 383 | switch (cs_ctl->type) { |
| 384 | case WMFW_CTL_TYPE_ACKED: |
| 385 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 386 | uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE; |
| 387 | uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE; |
| 388 | uinfo->value.integer.step = 1; |
| 389 | uinfo->count = 1; |
| 390 | break; |
| 391 | default: |
| 392 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; |
| 393 | uinfo->count = cs_ctl->len; |
| 394 | break; |
| 395 | } |
| 396 | |
| 397 | return 0; |
| 398 | } |
| 399 | |
| 400 | static int wm_coeff_put(struct snd_kcontrol *kctl, |
| 401 | struct snd_ctl_elem_value *ucontrol) |
| 402 | { |
| 403 | struct soc_bytes_ext *bytes_ext = |
| 404 | (struct soc_bytes_ext *)kctl->private_value; |
| 405 | struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(ext: bytes_ext); |
| 406 | struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; |
| 407 | char *p = ucontrol->value.bytes.data; |
| 408 | |
| 409 | return cs_dsp_coeff_lock_and_write_ctrl(ctl: cs_ctl, off: 0, buf: p, len: cs_ctl->len); |
| 410 | } |
| 411 | |
| 412 | static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, |
| 413 | const unsigned int __user *bytes, unsigned int size) |
| 414 | { |
| 415 | struct soc_bytes_ext *bytes_ext = |
| 416 | (struct soc_bytes_ext *)kctl->private_value; |
| 417 | struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(ext: bytes_ext); |
| 418 | struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; |
| 419 | void *scratch __free(kvfree) = vmemdup_user(bytes, size); |
| 420 | |
| 421 | if (IS_ERR(ptr: scratch)) |
| 422 | return PTR_ERR(ptr: scratch); |
| 423 | |
| 424 | return cs_dsp_coeff_lock_and_write_ctrl(ctl: cs_ctl, off: 0, buf: scratch, len: size); |
| 425 | } |
| 426 | |
| 427 | static int wm_coeff_put_acked(struct snd_kcontrol *kctl, |
| 428 | struct snd_ctl_elem_value *ucontrol) |
| 429 | { |
| 430 | struct soc_bytes_ext *bytes_ext = |
| 431 | (struct soc_bytes_ext *)kctl->private_value; |
| 432 | struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(ext: bytes_ext); |
| 433 | struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; |
| 434 | unsigned int val = ucontrol->value.integer.value[0]; |
| 435 | int ret; |
| 436 | |
| 437 | if (val == 0) |
| 438 | return 0; /* 0 means no event */ |
| 439 | |
| 440 | mutex_lock(&cs_ctl->dsp->pwr_lock); |
| 441 | |
| 442 | if (cs_ctl->enabled) |
| 443 | ret = cs_dsp_coeff_write_acked_control(ctl: cs_ctl, event_id: val); |
| 444 | else |
| 445 | ret = -EPERM; |
| 446 | |
| 447 | mutex_unlock(lock: &cs_ctl->dsp->pwr_lock); |
| 448 | |
| 449 | if (ret < 0) |
| 450 | return ret; |
| 451 | |
| 452 | return 1; |
| 453 | } |
| 454 | |
| 455 | static int wm_coeff_get(struct snd_kcontrol *kctl, |
| 456 | struct snd_ctl_elem_value *ucontrol) |
| 457 | { |
| 458 | struct soc_bytes_ext *bytes_ext = |
| 459 | (struct soc_bytes_ext *)kctl->private_value; |
| 460 | struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(ext: bytes_ext); |
| 461 | struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; |
| 462 | char *p = ucontrol->value.bytes.data; |
| 463 | |
| 464 | return cs_dsp_coeff_lock_and_read_ctrl(ctl: cs_ctl, off: 0, buf: p, len: cs_ctl->len); |
| 465 | } |
| 466 | |
| 467 | static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, |
| 468 | unsigned int __user *bytes, unsigned int size) |
| 469 | { |
| 470 | struct soc_bytes_ext *bytes_ext = |
| 471 | (struct soc_bytes_ext *)kctl->private_value; |
| 472 | struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(ext: bytes_ext); |
| 473 | struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; |
| 474 | int ret = 0; |
| 475 | |
| 476 | mutex_lock(&cs_ctl->dsp->pwr_lock); |
| 477 | |
| 478 | ret = cs_dsp_coeff_read_ctrl(ctl: cs_ctl, off: 0, buf: cs_ctl->cache, len: size); |
| 479 | |
| 480 | if (!ret && copy_to_user(to: bytes, from: cs_ctl->cache, n: size)) |
| 481 | ret = -EFAULT; |
| 482 | |
| 483 | mutex_unlock(lock: &cs_ctl->dsp->pwr_lock); |
| 484 | |
| 485 | return ret; |
| 486 | } |
| 487 | |
| 488 | static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol, |
| 489 | struct snd_ctl_elem_value *ucontrol) |
| 490 | { |
| 491 | /* |
| 492 | * Although it's not useful to read an acked control, we must satisfy |
| 493 | * user-side assumptions that all controls are readable and that a |
| 494 | * write of the same value should be filtered out (it's valid to send |
| 495 | * the same event number again to the firmware). We therefore return 0, |
| 496 | * meaning "no event" so valid event numbers will always be a change |
| 497 | */ |
| 498 | ucontrol->value.integer.value[0] = 0; |
| 499 | |
| 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len) |
| 504 | { |
| 505 | unsigned int out, rd, wr, vol; |
| 506 | |
| 507 | if (len > ADSP_MAX_STD_CTRL_SIZE) { |
| 508 | rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ; |
| 509 | wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE; |
| 510 | vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; |
| 511 | |
| 512 | out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; |
| 513 | } else { |
| 514 | rd = SNDRV_CTL_ELEM_ACCESS_READ; |
| 515 | wr = SNDRV_CTL_ELEM_ACCESS_WRITE; |
| 516 | vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; |
| 517 | |
| 518 | out = 0; |
| 519 | } |
| 520 | |
| 521 | if (in) { |
| 522 | out |= rd; |
| 523 | if (in & WMFW_CTL_FLAG_WRITEABLE) |
| 524 | out |= wr; |
| 525 | if (in & WMFW_CTL_FLAG_VOLATILE) |
| 526 | out |= vol; |
| 527 | } else { |
| 528 | out |= rd | wr | vol; |
| 529 | } |
| 530 | |
| 531 | return out; |
| 532 | } |
| 533 | |
| 534 | static void wm_adsp_ctl_work(struct work_struct *work) |
| 535 | { |
| 536 | struct wm_coeff_ctl *ctl = container_of(work, |
| 537 | struct wm_coeff_ctl, |
| 538 | work); |
| 539 | struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; |
| 540 | struct wm_adsp *dsp = container_of(cs_ctl->dsp, |
| 541 | struct wm_adsp, |
| 542 | cs_dsp); |
| 543 | struct snd_kcontrol_new *kcontrol; |
| 544 | |
| 545 | kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); |
| 546 | if (!kcontrol) |
| 547 | return; |
| 548 | |
| 549 | kcontrol->name = ctl->name; |
| 550 | kcontrol->info = wm_coeff_info; |
| 551 | kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
| 552 | kcontrol->tlv.c = snd_soc_bytes_tlv_callback; |
| 553 | kcontrol->private_value = (unsigned long)&ctl->bytes_ext; |
| 554 | kcontrol->access = wmfw_convert_flags(in: cs_ctl->flags, len: cs_ctl->len); |
| 555 | |
| 556 | switch (cs_ctl->type) { |
| 557 | case WMFW_CTL_TYPE_ACKED: |
| 558 | kcontrol->get = wm_coeff_get_acked; |
| 559 | kcontrol->put = wm_coeff_put_acked; |
| 560 | break; |
| 561 | default: |
| 562 | if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { |
| 563 | ctl->bytes_ext.max = cs_ctl->len; |
| 564 | ctl->bytes_ext.get = wm_coeff_tlv_get; |
| 565 | ctl->bytes_ext.put = wm_coeff_tlv_put; |
| 566 | } else { |
| 567 | kcontrol->get = wm_coeff_get; |
| 568 | kcontrol->put = wm_coeff_put; |
| 569 | } |
| 570 | break; |
| 571 | } |
| 572 | |
| 573 | snd_soc_add_component_controls(component: dsp->component, controls: kcontrol, num_controls: 1); |
| 574 | |
| 575 | kfree(objp: kcontrol); |
| 576 | } |
| 577 | |
| 578 | int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl) |
| 579 | { |
| 580 | struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); |
| 581 | struct cs_dsp *cs_dsp = &dsp->cs_dsp; |
| 582 | struct wm_coeff_ctl *ctl; |
| 583 | char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; |
| 584 | const char *region_name; |
| 585 | int ret; |
| 586 | |
| 587 | if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) |
| 588 | return 0; |
| 589 | |
| 590 | region_name = cs_dsp_mem_region_name(type: cs_ctl->alg_region.type); |
| 591 | if (!region_name) { |
| 592 | adsp_err(dsp, "Unknown region type: %d\n" , cs_ctl->alg_region.type); |
| 593 | return -EINVAL; |
| 594 | } |
| 595 | |
| 596 | switch (cs_dsp->wmfw_ver) { |
| 597 | case 0: |
| 598 | case 1: |
| 599 | ret = scnprintf(buf: name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, |
| 600 | fmt: "%s %s %x" , cs_dsp->name, region_name, |
| 601 | cs_ctl->alg_region.alg); |
| 602 | break; |
| 603 | case 2: |
| 604 | ret = scnprintf(buf: name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, |
| 605 | fmt: "%s%c %.12s %x" , cs_dsp->name, *region_name, |
| 606 | wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); |
| 607 | break; |
| 608 | default: |
| 609 | ret = scnprintf(buf: name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, |
| 610 | fmt: "%s %.12s %x" , cs_dsp->name, |
| 611 | wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); |
| 612 | break; |
| 613 | } |
| 614 | |
| 615 | if (cs_ctl->subname) { |
| 616 | int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; |
| 617 | int skip = 0; |
| 618 | |
| 619 | if (dsp->component->name_prefix) |
| 620 | avail -= strlen(dsp->component->name_prefix) + 1; |
| 621 | |
| 622 | /* Truncate the subname from the start if it is too long */ |
| 623 | if (cs_ctl->subname_len > avail) |
| 624 | skip = cs_ctl->subname_len - avail; |
| 625 | |
| 626 | snprintf(buf: name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, |
| 627 | fmt: " %.*s" , cs_ctl->subname_len - skip, cs_ctl->subname + skip); |
| 628 | } |
| 629 | |
| 630 | ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); |
| 631 | if (!ctl) |
| 632 | return -ENOMEM; |
| 633 | ctl->cs_ctl = cs_ctl; |
| 634 | |
| 635 | ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); |
| 636 | if (!ctl->name) { |
| 637 | ret = -ENOMEM; |
| 638 | goto err_ctl; |
| 639 | } |
| 640 | |
| 641 | cs_ctl->priv = ctl; |
| 642 | |
| 643 | INIT_WORK(&ctl->work, wm_adsp_ctl_work); |
| 644 | schedule_work(work: &ctl->work); |
| 645 | |
| 646 | return 0; |
| 647 | |
| 648 | err_ctl: |
| 649 | kfree(objp: ctl); |
| 650 | |
| 651 | return ret; |
| 652 | } |
| 653 | EXPORT_SYMBOL_GPL(wm_adsp_control_add); |
| 654 | |
| 655 | static int wm_adsp_control_add_cb(struct cs_dsp_coeff_ctl *cs_ctl) |
| 656 | { |
| 657 | struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); |
| 658 | |
| 659 | if (dsp->control_add) |
| 660 | return (dsp->control_add)(dsp, cs_ctl); |
| 661 | else |
| 662 | return wm_adsp_control_add(cs_ctl); |
| 663 | } |
| 664 | |
| 665 | static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) |
| 666 | { |
| 667 | struct wm_coeff_ctl *ctl = cs_ctl->priv; |
| 668 | |
| 669 | cancel_work_sync(work: &ctl->work); |
| 670 | |
| 671 | kfree(objp: ctl->name); |
| 672 | kfree(objp: ctl); |
| 673 | } |
| 674 | |
| 675 | int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, |
| 676 | unsigned int alg, void *buf, size_t len) |
| 677 | { |
| 678 | struct cs_dsp_coeff_ctl *cs_ctl; |
| 679 | int ret; |
| 680 | |
| 681 | mutex_lock(&dsp->cs_dsp.pwr_lock); |
| 682 | cs_ctl = cs_dsp_get_ctl(dsp: &dsp->cs_dsp, name, type, alg); |
| 683 | ret = cs_dsp_coeff_write_ctrl(ctl: cs_ctl, off: 0, buf, len); |
| 684 | mutex_unlock(lock: &dsp->cs_dsp.pwr_lock); |
| 685 | |
| 686 | if (ret < 0) |
| 687 | return ret; |
| 688 | |
| 689 | return 0; |
| 690 | } |
| 691 | EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); |
| 692 | |
| 693 | int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, |
| 694 | unsigned int alg, void *buf, size_t len) |
| 695 | { |
| 696 | int ret; |
| 697 | |
| 698 | mutex_lock(&dsp->cs_dsp.pwr_lock); |
| 699 | ret = cs_dsp_coeff_read_ctrl(ctl: cs_dsp_get_ctl(dsp: &dsp->cs_dsp, name, type, alg), |
| 700 | off: 0, buf, len); |
| 701 | mutex_unlock(lock: &dsp->cs_dsp.pwr_lock); |
| 702 | |
| 703 | return ret; |
| 704 | } |
| 705 | EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); |
| 706 | |
| 707 | static void wm_adsp_release_firmware_files(struct wm_adsp *dsp, |
| 708 | const struct firmware *wmfw_firmware, |
| 709 | char *wmfw_filename, |
| 710 | const struct firmware *coeff_firmware, |
| 711 | char *coeff_filename) |
| 712 | { |
| 713 | release_firmware(fw: wmfw_firmware); |
| 714 | kfree(objp: wmfw_filename); |
| 715 | |
| 716 | release_firmware(fw: coeff_firmware); |
| 717 | kfree(objp: coeff_filename); |
| 718 | } |
| 719 | |
| 720 | static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, |
| 721 | const struct firmware **firmware, char **filename, |
| 722 | const char *dir, const char *system_name, |
| 723 | const char *asoc_component_prefix, |
| 724 | const char *filetype) |
| 725 | { |
| 726 | struct cs_dsp *cs_dsp = &dsp->cs_dsp; |
| 727 | const char *fwf; |
| 728 | char *s, c; |
| 729 | int ret = 0; |
| 730 | |
| 731 | if (dsp->fwf_name) |
| 732 | fwf = dsp->fwf_name; |
| 733 | else |
| 734 | fwf = dsp->cs_dsp.name; |
| 735 | |
| 736 | if (system_name && asoc_component_prefix) |
| 737 | *filename = kasprintf(GFP_KERNEL, fmt: "%s%s-%s-%s-%s-%s.%s" , dir, dsp->part, |
| 738 | fwf, wm_adsp_fw[dsp->fw].file, system_name, |
| 739 | asoc_component_prefix, filetype); |
| 740 | else if (system_name) |
| 741 | *filename = kasprintf(GFP_KERNEL, fmt: "%s%s-%s-%s-%s.%s" , dir, dsp->part, |
| 742 | fwf, wm_adsp_fw[dsp->fw].file, system_name, |
| 743 | filetype); |
| 744 | else |
| 745 | *filename = kasprintf(GFP_KERNEL, fmt: "%s%s-%s-%s.%s" , dir, dsp->part, fwf, |
| 746 | wm_adsp_fw[dsp->fw].file, filetype); |
| 747 | |
| 748 | if (*filename == NULL) |
| 749 | return -ENOMEM; |
| 750 | |
| 751 | /* |
| 752 | * Make sure that filename is lower-case and any non alpha-numeric |
| 753 | * characters except full stop and forward slash are replaced with |
| 754 | * hyphens. |
| 755 | */ |
| 756 | s = *filename; |
| 757 | while (*s) { |
| 758 | c = *s; |
| 759 | if (isalnum(c)) |
| 760 | *s = tolower(c); |
| 761 | else if ((c != '.') && (c != '/')) |
| 762 | *s = '-'; |
| 763 | s++; |
| 764 | } |
| 765 | |
| 766 | ret = firmware_request_nowarn(fw: firmware, name: *filename, device: cs_dsp->dev); |
| 767 | if (ret != 0) { |
| 768 | adsp_dbg(dsp, "Failed to request '%s'\n" , *filename); |
| 769 | kfree(objp: *filename); |
| 770 | *filename = NULL; |
| 771 | } else { |
| 772 | adsp_dbg(dsp, "Found '%s'\n" , *filename); |
| 773 | } |
| 774 | |
| 775 | return ret; |
| 776 | } |
| 777 | |
| 778 | static const char * const cirrus_dir = "cirrus/" ; |
| 779 | static int wm_adsp_request_firmware_files(struct wm_adsp *dsp, |
| 780 | const struct firmware **wmfw_firmware, |
| 781 | char **wmfw_filename, |
| 782 | const struct firmware **coeff_firmware, |
| 783 | char **coeff_filename) |
| 784 | { |
| 785 | const char *system_name = dsp->system_name; |
| 786 | const char *suffix = dsp->component->name_prefix; |
| 787 | int ret = 0; |
| 788 | |
| 789 | if (dsp->fwf_suffix) |
| 790 | suffix = dsp->fwf_suffix; |
| 791 | |
| 792 | if (system_name && suffix) { |
| 793 | if (!wm_adsp_request_firmware_file(dsp, firmware: wmfw_firmware, filename: wmfw_filename, |
| 794 | dir: cirrus_dir, system_name, |
| 795 | asoc_component_prefix: suffix, filetype: "wmfw" )) { |
| 796 | wm_adsp_request_firmware_file(dsp, firmware: coeff_firmware, filename: coeff_filename, |
| 797 | dir: cirrus_dir, system_name, |
| 798 | asoc_component_prefix: suffix, filetype: "bin" ); |
| 799 | return 0; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | if (system_name) { |
| 804 | if (!wm_adsp_request_firmware_file(dsp, firmware: wmfw_firmware, filename: wmfw_filename, |
| 805 | dir: cirrus_dir, system_name, |
| 806 | NULL, filetype: "wmfw" )) { |
| 807 | if (suffix) |
| 808 | wm_adsp_request_firmware_file(dsp, firmware: coeff_firmware, filename: coeff_filename, |
| 809 | dir: cirrus_dir, system_name, |
| 810 | asoc_component_prefix: suffix, filetype: "bin" ); |
| 811 | |
| 812 | if (!*coeff_firmware) |
| 813 | wm_adsp_request_firmware_file(dsp, firmware: coeff_firmware, filename: coeff_filename, |
| 814 | dir: cirrus_dir, system_name, |
| 815 | NULL, filetype: "bin" ); |
| 816 | return 0; |
| 817 | } |
| 818 | } |
| 819 | |
| 820 | /* Check system-specific bin without wmfw before falling back to generic */ |
| 821 | if (dsp->wmfw_optional && system_name) { |
| 822 | if (suffix) |
| 823 | wm_adsp_request_firmware_file(dsp, firmware: coeff_firmware, filename: coeff_filename, |
| 824 | dir: cirrus_dir, system_name, |
| 825 | asoc_component_prefix: suffix, filetype: "bin" ); |
| 826 | |
| 827 | if (!*coeff_firmware) |
| 828 | wm_adsp_request_firmware_file(dsp, firmware: coeff_firmware, filename: coeff_filename, |
| 829 | dir: cirrus_dir, system_name, |
| 830 | NULL, filetype: "bin" ); |
| 831 | |
| 832 | if (*coeff_firmware) |
| 833 | return 0; |
| 834 | } |
| 835 | |
| 836 | /* Check legacy location */ |
| 837 | if (!wm_adsp_request_firmware_file(dsp, firmware: wmfw_firmware, filename: wmfw_filename, |
| 838 | dir: "" , NULL, NULL, filetype: "wmfw" )) { |
| 839 | wm_adsp_request_firmware_file(dsp, firmware: coeff_firmware, filename: coeff_filename, |
| 840 | dir: "" , NULL, NULL, filetype: "bin" ); |
| 841 | return 0; |
| 842 | } |
| 843 | |
| 844 | /* Fall back to generic wmfw and optional matching bin */ |
| 845 | ret = wm_adsp_request_firmware_file(dsp, firmware: wmfw_firmware, filename: wmfw_filename, |
| 846 | dir: cirrus_dir, NULL, NULL, filetype: "wmfw" ); |
| 847 | if (!ret || dsp->wmfw_optional) { |
| 848 | wm_adsp_request_firmware_file(dsp, firmware: coeff_firmware, filename: coeff_filename, |
| 849 | dir: cirrus_dir, NULL, NULL, filetype: "bin" ); |
| 850 | return 0; |
| 851 | } |
| 852 | |
| 853 | adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n" , |
| 854 | cirrus_dir, dsp->part, |
| 855 | dsp->fwf_name ? dsp->fwf_name : dsp->cs_dsp.name, |
| 856 | wm_adsp_fw[dsp->fw].file, system_name, suffix); |
| 857 | |
| 858 | return -ENOENT; |
| 859 | } |
| 860 | |
| 861 | static int wm_adsp_common_init(struct wm_adsp *dsp) |
| 862 | { |
| 863 | INIT_LIST_HEAD(list: &dsp->compr_list); |
| 864 | INIT_LIST_HEAD(list: &dsp->buffer_list); |
| 865 | |
| 866 | return 0; |
| 867 | } |
| 868 | |
| 869 | int wm_adsp1_init(struct wm_adsp *dsp) |
| 870 | { |
| 871 | int ret; |
| 872 | |
| 873 | dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; |
| 874 | |
| 875 | ret = cs_dsp_adsp1_init(dsp: &dsp->cs_dsp); |
| 876 | if (ret) |
| 877 | return ret; |
| 878 | |
| 879 | return wm_adsp_common_init(dsp); |
| 880 | } |
| 881 | EXPORT_SYMBOL_GPL(wm_adsp1_init); |
| 882 | |
| 883 | int wm_adsp1_event(struct snd_soc_dapm_widget *w, |
| 884 | struct snd_kcontrol *kcontrol, |
| 885 | int event) |
| 886 | { |
| 887 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm: w->dapm); |
| 888 | struct wm_adsp *dsps = snd_soc_component_get_drvdata(c: component); |
| 889 | struct wm_adsp *dsp = &dsps[w->shift]; |
| 890 | int ret = 0; |
| 891 | char *wmfw_filename = NULL; |
| 892 | const struct firmware *wmfw_firmware = NULL; |
| 893 | char *coeff_filename = NULL; |
| 894 | const struct firmware *coeff_firmware = NULL; |
| 895 | |
| 896 | dsp->component = component; |
| 897 | |
| 898 | switch (event) { |
| 899 | case SND_SOC_DAPM_POST_PMU: |
| 900 | ret = wm_adsp_request_firmware_files(dsp, |
| 901 | wmfw_firmware: &wmfw_firmware, wmfw_filename: &wmfw_filename, |
| 902 | coeff_firmware: &coeff_firmware, coeff_filename: &coeff_filename); |
| 903 | if (ret) |
| 904 | break; |
| 905 | |
| 906 | ret = cs_dsp_adsp1_power_up(dsp: &dsp->cs_dsp, |
| 907 | wmfw_firmware, wmfw_filename, |
| 908 | coeff_firmware, coeff_filename, |
| 909 | fw_name: wm_adsp_fw_text[dsp->fw]); |
| 910 | |
| 911 | wm_adsp_release_firmware_files(dsp, |
| 912 | wmfw_firmware, wmfw_filename, |
| 913 | coeff_firmware, coeff_filename); |
| 914 | break; |
| 915 | case SND_SOC_DAPM_PRE_PMD: |
| 916 | cs_dsp_adsp1_power_down(dsp: &dsp->cs_dsp); |
| 917 | break; |
| 918 | default: |
| 919 | break; |
| 920 | } |
| 921 | |
| 922 | return ret; |
| 923 | } |
| 924 | EXPORT_SYMBOL_GPL(wm_adsp1_event); |
| 925 | |
| 926 | int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) |
| 927 | { |
| 928 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm: w->dapm); |
| 929 | struct wm_adsp *dsps = snd_soc_component_get_drvdata(c: component); |
| 930 | struct wm_adsp *dsp = &dsps[w->shift]; |
| 931 | |
| 932 | return cs_dsp_set_dspclk(dsp: &dsp->cs_dsp, freq); |
| 933 | } |
| 934 | EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); |
| 935 | |
| 936 | int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, |
| 937 | struct snd_ctl_elem_value *ucontrol) |
| 938 | { |
| 939 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
| 940 | struct wm_adsp *dsps = snd_soc_component_get_drvdata(c: component); |
| 941 | struct soc_mixer_control *mc = |
| 942 | (struct soc_mixer_control *)kcontrol->private_value; |
| 943 | struct wm_adsp *dsp = &dsps[mc->shift - 1]; |
| 944 | |
| 945 | ucontrol->value.integer.value[0] = dsp->preloaded; |
| 946 | |
| 947 | return 0; |
| 948 | } |
| 949 | EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); |
| 950 | |
| 951 | int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, |
| 952 | struct snd_ctl_elem_value *ucontrol) |
| 953 | { |
| 954 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
| 955 | struct wm_adsp *dsps = snd_soc_component_get_drvdata(c: component); |
| 956 | struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); |
| 957 | struct soc_mixer_control *mc = |
| 958 | (struct soc_mixer_control *)kcontrol->private_value; |
| 959 | struct wm_adsp *dsp = &dsps[mc->shift - 1]; |
| 960 | char preload[32]; |
| 961 | |
| 962 | if (dsp->preloaded == ucontrol->value.integer.value[0]) |
| 963 | return 0; |
| 964 | |
| 965 | snprintf(buf: preload, ARRAY_SIZE(preload), fmt: "%s Preload" , dsp->cs_dsp.name); |
| 966 | |
| 967 | if (ucontrol->value.integer.value[0] || dsp->toggle_preload) |
| 968 | snd_soc_dapm_force_enable_pin(dapm, pin: preload); |
| 969 | else |
| 970 | snd_soc_dapm_disable_pin(dapm, pin: preload); |
| 971 | |
| 972 | snd_soc_dapm_sync(dapm); |
| 973 | |
| 974 | flush_work(work: &dsp->boot_work); |
| 975 | |
| 976 | dsp->preloaded = ucontrol->value.integer.value[0]; |
| 977 | |
| 978 | if (dsp->toggle_preload) { |
| 979 | snd_soc_dapm_disable_pin(dapm, pin: preload); |
| 980 | snd_soc_dapm_sync(dapm); |
| 981 | } |
| 982 | |
| 983 | return 1; |
| 984 | } |
| 985 | EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); |
| 986 | |
| 987 | int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware) |
| 988 | { |
| 989 | int ret = 0; |
| 990 | char *wmfw_filename = NULL; |
| 991 | const struct firmware *wmfw_firmware = NULL; |
| 992 | char *coeff_filename = NULL; |
| 993 | const struct firmware *coeff_firmware = NULL; |
| 994 | |
| 995 | if (load_firmware) { |
| 996 | ret = wm_adsp_request_firmware_files(dsp, |
| 997 | wmfw_firmware: &wmfw_firmware, wmfw_filename: &wmfw_filename, |
| 998 | coeff_firmware: &coeff_firmware, coeff_filename: &coeff_filename); |
| 999 | if (ret) |
| 1000 | return ret; |
| 1001 | } |
| 1002 | |
| 1003 | if (dsp->bin_mandatory && !coeff_firmware) { |
| 1004 | ret = -ENOENT; |
| 1005 | goto err; |
| 1006 | } |
| 1007 | |
| 1008 | ret = cs_dsp_power_up(dsp: &dsp->cs_dsp, |
| 1009 | wmfw_firmware, wmfw_filename, |
| 1010 | coeff_firmware, coeff_filename, |
| 1011 | fw_name: wm_adsp_fw_text[dsp->fw]); |
| 1012 | |
| 1013 | err: |
| 1014 | wm_adsp_release_firmware_files(dsp, |
| 1015 | wmfw_firmware, wmfw_filename, |
| 1016 | coeff_firmware, coeff_filename); |
| 1017 | |
| 1018 | return ret; |
| 1019 | } |
| 1020 | EXPORT_SYMBOL_GPL(wm_adsp_power_up); |
| 1021 | |
| 1022 | void wm_adsp_power_down(struct wm_adsp *dsp) |
| 1023 | { |
| 1024 | cs_dsp_power_down(dsp: &dsp->cs_dsp); |
| 1025 | } |
| 1026 | EXPORT_SYMBOL_GPL(wm_adsp_power_down); |
| 1027 | |
| 1028 | static void wm_adsp_boot_work(struct work_struct *work) |
| 1029 | { |
| 1030 | struct wm_adsp *dsp = container_of(work, |
| 1031 | struct wm_adsp, |
| 1032 | boot_work); |
| 1033 | |
| 1034 | wm_adsp_power_up(dsp, true); |
| 1035 | } |
| 1036 | |
| 1037 | int wm_adsp_early_event(struct snd_soc_dapm_widget *w, |
| 1038 | struct snd_kcontrol *kcontrol, int event) |
| 1039 | { |
| 1040 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm: w->dapm); |
| 1041 | struct wm_adsp *dsps = snd_soc_component_get_drvdata(c: component); |
| 1042 | struct wm_adsp *dsp = &dsps[w->shift]; |
| 1043 | |
| 1044 | switch (event) { |
| 1045 | case SND_SOC_DAPM_PRE_PMU: |
| 1046 | queue_work(wq: system_dfl_wq, work: &dsp->boot_work); |
| 1047 | break; |
| 1048 | case SND_SOC_DAPM_PRE_PMD: |
| 1049 | wm_adsp_power_down(dsp); |
| 1050 | break; |
| 1051 | default: |
| 1052 | break; |
| 1053 | } |
| 1054 | |
| 1055 | return 0; |
| 1056 | } |
| 1057 | EXPORT_SYMBOL_GPL(wm_adsp_early_event); |
| 1058 | |
| 1059 | static int wm_adsp_pre_run(struct cs_dsp *cs_dsp) |
| 1060 | { |
| 1061 | struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); |
| 1062 | |
| 1063 | if (!dsp->pre_run) |
| 1064 | return 0; |
| 1065 | |
| 1066 | return (*dsp->pre_run)(dsp); |
| 1067 | } |
| 1068 | |
| 1069 | static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) |
| 1070 | { |
| 1071 | struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); |
| 1072 | |
| 1073 | if (wm_adsp_fw[dsp->fw].num_caps != 0) |
| 1074 | return wm_adsp_buffer_init(dsp); |
| 1075 | |
| 1076 | return 0; |
| 1077 | } |
| 1078 | |
| 1079 | static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) |
| 1080 | { |
| 1081 | struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); |
| 1082 | |
| 1083 | if (wm_adsp_fw[dsp->fw].num_caps != 0) |
| 1084 | wm_adsp_buffer_free(dsp); |
| 1085 | |
| 1086 | dsp->fatal_error = false; |
| 1087 | } |
| 1088 | |
| 1089 | int wm_adsp_run(struct wm_adsp *dsp) |
| 1090 | { |
| 1091 | flush_work(work: &dsp->boot_work); |
| 1092 | |
| 1093 | return cs_dsp_run(dsp: &dsp->cs_dsp); |
| 1094 | } |
| 1095 | EXPORT_SYMBOL_GPL(wm_adsp_run); |
| 1096 | |
| 1097 | void wm_adsp_stop(struct wm_adsp *dsp) |
| 1098 | { |
| 1099 | cs_dsp_stop(dsp: &dsp->cs_dsp); |
| 1100 | } |
| 1101 | EXPORT_SYMBOL_GPL(wm_adsp_stop); |
| 1102 | |
| 1103 | int wm_adsp_event(struct snd_soc_dapm_widget *w, |
| 1104 | struct snd_kcontrol *kcontrol, int event) |
| 1105 | { |
| 1106 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm: w->dapm); |
| 1107 | struct wm_adsp *dsps = snd_soc_component_get_drvdata(c: component); |
| 1108 | struct wm_adsp *dsp = &dsps[w->shift]; |
| 1109 | |
| 1110 | switch (event) { |
| 1111 | case SND_SOC_DAPM_POST_PMU: |
| 1112 | return wm_adsp_run(dsp); |
| 1113 | case SND_SOC_DAPM_PRE_PMD: |
| 1114 | wm_adsp_stop(dsp); |
| 1115 | return 0; |
| 1116 | default: |
| 1117 | return 0; |
| 1118 | } |
| 1119 | } |
| 1120 | EXPORT_SYMBOL_GPL(wm_adsp_event); |
| 1121 | |
| 1122 | int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) |
| 1123 | { |
| 1124 | struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component); |
| 1125 | char preload[32]; |
| 1126 | |
| 1127 | if (!dsp->cs_dsp.no_core_startstop) { |
| 1128 | snprintf(buf: preload, ARRAY_SIZE(preload), fmt: "%s Preload" , dsp->cs_dsp.name); |
| 1129 | snd_soc_dapm_disable_pin(dapm, pin: preload); |
| 1130 | } |
| 1131 | |
| 1132 | cs_dsp_init_debugfs(dsp: &dsp->cs_dsp, debugfs_root: component->debugfs_root); |
| 1133 | |
| 1134 | dsp->component = component; |
| 1135 | |
| 1136 | return 0; |
| 1137 | } |
| 1138 | EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); |
| 1139 | |
| 1140 | int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) |
| 1141 | { |
| 1142 | cs_dsp_cleanup_debugfs(dsp: &dsp->cs_dsp); |
| 1143 | |
| 1144 | return 0; |
| 1145 | } |
| 1146 | EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); |
| 1147 | |
| 1148 | int wm_adsp2_init(struct wm_adsp *dsp) |
| 1149 | { |
| 1150 | int ret; |
| 1151 | |
| 1152 | INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); |
| 1153 | |
| 1154 | dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); |
| 1155 | dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; |
| 1156 | |
| 1157 | ret = cs_dsp_adsp2_init(dsp: &dsp->cs_dsp); |
| 1158 | if (ret) |
| 1159 | return ret; |
| 1160 | |
| 1161 | return wm_adsp_common_init(dsp); |
| 1162 | } |
| 1163 | EXPORT_SYMBOL_GPL(wm_adsp2_init); |
| 1164 | |
| 1165 | int wm_halo_init(struct wm_adsp *dsp) |
| 1166 | { |
| 1167 | int ret; |
| 1168 | |
| 1169 | INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); |
| 1170 | |
| 1171 | dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); |
| 1172 | dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; |
| 1173 | |
| 1174 | ret = cs_dsp_halo_init(dsp: &dsp->cs_dsp); |
| 1175 | if (ret) |
| 1176 | return ret; |
| 1177 | |
| 1178 | return wm_adsp_common_init(dsp); |
| 1179 | } |
| 1180 | EXPORT_SYMBOL_GPL(wm_halo_init); |
| 1181 | |
| 1182 | void wm_adsp2_remove(struct wm_adsp *dsp) |
| 1183 | { |
| 1184 | cs_dsp_remove(dsp: &dsp->cs_dsp); |
| 1185 | } |
| 1186 | EXPORT_SYMBOL_GPL(wm_adsp2_remove); |
| 1187 | |
| 1188 | static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) |
| 1189 | { |
| 1190 | return compr->buf != NULL; |
| 1191 | } |
| 1192 | |
| 1193 | static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) |
| 1194 | { |
| 1195 | struct wm_adsp_compr_buf *buf = NULL, *tmp; |
| 1196 | |
| 1197 | if (compr->dsp->fatal_error) |
| 1198 | return -EINVAL; |
| 1199 | |
| 1200 | list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { |
| 1201 | if (!tmp->name || !strcmp(compr->name, tmp->name)) { |
| 1202 | buf = tmp; |
| 1203 | break; |
| 1204 | } |
| 1205 | } |
| 1206 | |
| 1207 | if (!buf) |
| 1208 | return -EINVAL; |
| 1209 | |
| 1210 | compr->buf = buf; |
| 1211 | buf->compr = compr; |
| 1212 | |
| 1213 | return 0; |
| 1214 | } |
| 1215 | |
| 1216 | static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) |
| 1217 | { |
| 1218 | if (!compr) |
| 1219 | return; |
| 1220 | |
| 1221 | /* Wake the poll so it can see buffer is no longer attached */ |
| 1222 | if (compr->stream) |
| 1223 | snd_compr_fragment_elapsed(stream: compr->stream); |
| 1224 | |
| 1225 | if (wm_adsp_compr_attached(compr)) { |
| 1226 | compr->buf->compr = NULL; |
| 1227 | compr->buf = NULL; |
| 1228 | } |
| 1229 | } |
| 1230 | |
| 1231 | int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) |
| 1232 | { |
| 1233 | struct wm_adsp_compr *compr, *tmp; |
| 1234 | struct snd_soc_pcm_runtime *rtd = stream->private_data; |
| 1235 | int ret = 0; |
| 1236 | |
| 1237 | mutex_lock(&dsp->cs_dsp.pwr_lock); |
| 1238 | |
| 1239 | if (wm_adsp_fw[dsp->fw].num_caps == 0) { |
| 1240 | adsp_err(dsp, "%s: Firmware does not support compressed API\n" , |
| 1241 | snd_soc_rtd_to_codec(rtd, 0)->name); |
| 1242 | ret = -ENXIO; |
| 1243 | goto out; |
| 1244 | } |
| 1245 | |
| 1246 | if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { |
| 1247 | adsp_err(dsp, "%s: Firmware does not support stream direction\n" , |
| 1248 | snd_soc_rtd_to_codec(rtd, 0)->name); |
| 1249 | ret = -EINVAL; |
| 1250 | goto out; |
| 1251 | } |
| 1252 | |
| 1253 | list_for_each_entry(tmp, &dsp->compr_list, list) { |
| 1254 | if (!strcmp(tmp->name, snd_soc_rtd_to_codec(rtd, 0)->name)) { |
| 1255 | adsp_err(dsp, "%s: Only a single stream supported per dai\n" , |
| 1256 | snd_soc_rtd_to_codec(rtd, 0)->name); |
| 1257 | ret = -EBUSY; |
| 1258 | goto out; |
| 1259 | } |
| 1260 | } |
| 1261 | |
| 1262 | compr = kzalloc(sizeof(*compr), GFP_KERNEL); |
| 1263 | if (!compr) { |
| 1264 | ret = -ENOMEM; |
| 1265 | goto out; |
| 1266 | } |
| 1267 | |
| 1268 | compr->dsp = dsp; |
| 1269 | compr->stream = stream; |
| 1270 | compr->name = snd_soc_rtd_to_codec(rtd, 0)->name; |
| 1271 | |
| 1272 | list_add_tail(new: &compr->list, head: &dsp->compr_list); |
| 1273 | |
| 1274 | stream->runtime->private_data = compr; |
| 1275 | |
| 1276 | out: |
| 1277 | mutex_unlock(lock: &dsp->cs_dsp.pwr_lock); |
| 1278 | |
| 1279 | return ret; |
| 1280 | } |
| 1281 | EXPORT_SYMBOL_GPL(wm_adsp_compr_open); |
| 1282 | |
| 1283 | int wm_adsp_compr_free(struct snd_soc_component *component, |
| 1284 | struct snd_compr_stream *stream) |
| 1285 | { |
| 1286 | struct wm_adsp_compr *compr = stream->runtime->private_data; |
| 1287 | struct wm_adsp *dsp = compr->dsp; |
| 1288 | |
| 1289 | mutex_lock(&dsp->cs_dsp.pwr_lock); |
| 1290 | |
| 1291 | wm_adsp_compr_detach(compr); |
| 1292 | list_del(entry: &compr->list); |
| 1293 | |
| 1294 | kfree(objp: compr->raw_buf); |
| 1295 | kfree(objp: compr); |
| 1296 | |
| 1297 | mutex_unlock(lock: &dsp->cs_dsp.pwr_lock); |
| 1298 | |
| 1299 | return 0; |
| 1300 | } |
| 1301 | EXPORT_SYMBOL_GPL(wm_adsp_compr_free); |
| 1302 | |
| 1303 | static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, |
| 1304 | struct snd_compr_params *params) |
| 1305 | { |
| 1306 | struct wm_adsp_compr *compr = stream->runtime->private_data; |
| 1307 | struct wm_adsp *dsp = compr->dsp; |
| 1308 | const struct wm_adsp_fw_caps *caps; |
| 1309 | const struct snd_codec_desc *desc; |
| 1310 | int i, j; |
| 1311 | |
| 1312 | if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || |
| 1313 | params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || |
| 1314 | params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || |
| 1315 | params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || |
| 1316 | params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { |
| 1317 | compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n" , |
| 1318 | params->buffer.fragment_size, |
| 1319 | params->buffer.fragments); |
| 1320 | |
| 1321 | return -EINVAL; |
| 1322 | } |
| 1323 | |
| 1324 | for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { |
| 1325 | caps = &wm_adsp_fw[dsp->fw].caps[i]; |
| 1326 | desc = &caps->desc; |
| 1327 | |
| 1328 | if (caps->id != params->codec.id) |
| 1329 | continue; |
| 1330 | |
| 1331 | if (stream->direction == SND_COMPRESS_PLAYBACK) { |
| 1332 | if (desc->max_ch < params->codec.ch_out) |
| 1333 | continue; |
| 1334 | } else { |
| 1335 | if (desc->max_ch < params->codec.ch_in) |
| 1336 | continue; |
| 1337 | } |
| 1338 | |
| 1339 | if (!(desc->formats & (1 << params->codec.format))) |
| 1340 | continue; |
| 1341 | |
| 1342 | for (j = 0; j < desc->num_sample_rates; ++j) |
| 1343 | if (desc->sample_rates[j] == params->codec.sample_rate) |
| 1344 | return 0; |
| 1345 | } |
| 1346 | |
| 1347 | compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n" , |
| 1348 | params->codec.id, params->codec.ch_in, params->codec.ch_out, |
| 1349 | params->codec.sample_rate, params->codec.format); |
| 1350 | return -EINVAL; |
| 1351 | } |
| 1352 | |
| 1353 | static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) |
| 1354 | { |
| 1355 | return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; |
| 1356 | } |
| 1357 | |
| 1358 | int wm_adsp_compr_set_params(struct snd_soc_component *component, |
| 1359 | struct snd_compr_stream *stream, |
| 1360 | struct snd_compr_params *params) |
| 1361 | { |
| 1362 | struct wm_adsp_compr *compr = stream->runtime->private_data; |
| 1363 | unsigned int size; |
| 1364 | int ret; |
| 1365 | |
| 1366 | ret = wm_adsp_compr_check_params(stream, params); |
| 1367 | if (ret) |
| 1368 | return ret; |
| 1369 | |
| 1370 | compr->size = params->buffer; |
| 1371 | |
| 1372 | compr_dbg(compr, "fragment_size=%d fragments=%d\n" , |
| 1373 | compr->size.fragment_size, compr->size.fragments); |
| 1374 | |
| 1375 | size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); |
| 1376 | compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); |
| 1377 | if (!compr->raw_buf) |
| 1378 | return -ENOMEM; |
| 1379 | |
| 1380 | compr->sample_rate = params->codec.sample_rate; |
| 1381 | |
| 1382 | return 0; |
| 1383 | } |
| 1384 | EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); |
| 1385 | |
| 1386 | int wm_adsp_compr_get_caps(struct snd_soc_component *component, |
| 1387 | struct snd_compr_stream *stream, |
| 1388 | struct snd_compr_caps *caps) |
| 1389 | { |
| 1390 | struct wm_adsp_compr *compr = stream->runtime->private_data; |
| 1391 | int fw = compr->dsp->fw; |
| 1392 | int i; |
| 1393 | |
| 1394 | if (wm_adsp_fw[fw].caps) { |
| 1395 | for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) |
| 1396 | caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; |
| 1397 | |
| 1398 | caps->num_codecs = i; |
| 1399 | caps->direction = wm_adsp_fw[fw].compr_direction; |
| 1400 | |
| 1401 | caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; |
| 1402 | caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; |
| 1403 | caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; |
| 1404 | caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; |
| 1405 | } |
| 1406 | |
| 1407 | return 0; |
| 1408 | } |
| 1409 | EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); |
| 1410 | |
| 1411 | static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, |
| 1412 | unsigned int field_offset, u32 *data) |
| 1413 | { |
| 1414 | return cs_dsp_read_data_word(dsp: &buf->dsp->cs_dsp, mem_type: buf->host_buf_mem_type, |
| 1415 | mem_addr: buf->host_buf_ptr + field_offset, data); |
| 1416 | } |
| 1417 | |
| 1418 | static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, |
| 1419 | unsigned int field_offset, u32 data) |
| 1420 | { |
| 1421 | return cs_dsp_write_data_word(dsp: &buf->dsp->cs_dsp, mem_type: buf->host_buf_mem_type, |
| 1422 | mem_addr: buf->host_buf_ptr + field_offset, |
| 1423 | data); |
| 1424 | } |
| 1425 | |
| 1426 | static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) |
| 1427 | { |
| 1428 | const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; |
| 1429 | struct wm_adsp_buffer_region *region; |
| 1430 | u32 offset = 0; |
| 1431 | int i, ret; |
| 1432 | |
| 1433 | buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions), |
| 1434 | GFP_KERNEL); |
| 1435 | if (!buf->regions) |
| 1436 | return -ENOMEM; |
| 1437 | |
| 1438 | for (i = 0; i < caps->num_regions; ++i) { |
| 1439 | region = &buf->regions[i]; |
| 1440 | |
| 1441 | region->offset = offset; |
| 1442 | region->mem_type = caps->region_defs[i].mem_type; |
| 1443 | |
| 1444 | ret = wm_adsp_buffer_read(buf, field_offset: caps->region_defs[i].base_offset, |
| 1445 | data: ®ion->base_addr); |
| 1446 | if (ret < 0) |
| 1447 | goto err; |
| 1448 | |
| 1449 | ret = wm_adsp_buffer_read(buf, field_offset: caps->region_defs[i].size_offset, |
| 1450 | data: &offset); |
| 1451 | if (ret < 0) |
| 1452 | goto err; |
| 1453 | |
| 1454 | region->cumulative_size = offset; |
| 1455 | |
| 1456 | compr_dbg(buf, |
| 1457 | "region=%d type=%d base=%08x off=%08x size=%08x\n" , |
| 1458 | i, region->mem_type, region->base_addr, |
| 1459 | region->offset, region->cumulative_size); |
| 1460 | } |
| 1461 | |
| 1462 | return 0; |
| 1463 | |
| 1464 | err: |
| 1465 | kfree(objp: buf->regions); |
| 1466 | return ret; |
| 1467 | } |
| 1468 | |
| 1469 | static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) |
| 1470 | { |
| 1471 | buf->irq_count = 0xFFFFFFFF; |
| 1472 | buf->read_index = -1; |
| 1473 | buf->avail = 0; |
| 1474 | } |
| 1475 | |
| 1476 | static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) |
| 1477 | { |
| 1478 | struct wm_adsp_compr_buf *buf; |
| 1479 | |
| 1480 | buf = kzalloc(sizeof(*buf), GFP_KERNEL); |
| 1481 | if (!buf) |
| 1482 | return NULL; |
| 1483 | |
| 1484 | buf->dsp = dsp; |
| 1485 | |
| 1486 | wm_adsp_buffer_clear(buf); |
| 1487 | |
| 1488 | return buf; |
| 1489 | } |
| 1490 | |
| 1491 | static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) |
| 1492 | { |
| 1493 | struct cs_dsp_alg_region *alg_region; |
| 1494 | struct wm_adsp_compr_buf *buf; |
| 1495 | u32 xmalg, addr, magic; |
| 1496 | int i, ret; |
| 1497 | |
| 1498 | alg_region = cs_dsp_find_alg_region(dsp: &dsp->cs_dsp, WMFW_ADSP2_XM, id: dsp->cs_dsp.fw_id); |
| 1499 | if (!alg_region) { |
| 1500 | adsp_err(dsp, "No algorithm region found\n" ); |
| 1501 | return -EINVAL; |
| 1502 | } |
| 1503 | |
| 1504 | xmalg = dsp->sys_config_size / sizeof(__be32); |
| 1505 | |
| 1506 | addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); |
| 1507 | ret = cs_dsp_read_data_word(dsp: &dsp->cs_dsp, WMFW_ADSP2_XM, mem_addr: addr, data: &magic); |
| 1508 | if (ret < 0) |
| 1509 | return ret; |
| 1510 | |
| 1511 | if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) |
| 1512 | return -ENODEV; |
| 1513 | |
| 1514 | buf = wm_adsp_buffer_alloc(dsp); |
| 1515 | if (!buf) |
| 1516 | return -ENOMEM; |
| 1517 | |
| 1518 | addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); |
| 1519 | for (i = 0; i < 5; ++i) { |
| 1520 | ret = cs_dsp_read_data_word(dsp: &dsp->cs_dsp, WMFW_ADSP2_XM, mem_addr: addr, |
| 1521 | data: &buf->host_buf_ptr); |
| 1522 | if (ret < 0) |
| 1523 | goto err; |
| 1524 | |
| 1525 | if (buf->host_buf_ptr) |
| 1526 | break; |
| 1527 | |
| 1528 | usleep_range(min: 1000, max: 2000); |
| 1529 | } |
| 1530 | |
| 1531 | if (!buf->host_buf_ptr) { |
| 1532 | ret = -EIO; |
| 1533 | goto err; |
| 1534 | } |
| 1535 | |
| 1536 | buf->host_buf_mem_type = WMFW_ADSP2_XM; |
| 1537 | |
| 1538 | ret = wm_adsp_buffer_populate(buf); |
| 1539 | if (ret < 0) |
| 1540 | goto err; |
| 1541 | |
| 1542 | list_add_tail(new: &buf->list, head: &dsp->buffer_list); |
| 1543 | |
| 1544 | compr_dbg(buf, "legacy host_buf_ptr=%x\n" , buf->host_buf_ptr); |
| 1545 | |
| 1546 | return 0; |
| 1547 | |
| 1548 | err: |
| 1549 | kfree(objp: buf); |
| 1550 | |
| 1551 | return ret; |
| 1552 | } |
| 1553 | |
| 1554 | static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) |
| 1555 | { |
| 1556 | struct wm_adsp_host_buf_coeff_v1 coeff_v1; |
| 1557 | struct wm_adsp_compr_buf *buf; |
| 1558 | struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); |
| 1559 | unsigned int version = 0; |
| 1560 | int ret, i; |
| 1561 | |
| 1562 | for (i = 0; i < 5; ++i) { |
| 1563 | ret = cs_dsp_coeff_read_ctrl(ctl: cs_ctl, off: 0, buf: &coeff_v1, |
| 1564 | min((size_t)cs_ctl->len, sizeof(coeff_v1))); |
| 1565 | if (ret < 0) |
| 1566 | return ret; |
| 1567 | |
| 1568 | if (coeff_v1.host_buf_ptr) |
| 1569 | break; |
| 1570 | |
| 1571 | usleep_range(min: 1000, max: 2000); |
| 1572 | } |
| 1573 | |
| 1574 | if (!coeff_v1.host_buf_ptr) { |
| 1575 | adsp_err(dsp, "Failed to acquire host buffer\n" ); |
| 1576 | return -EIO; |
| 1577 | } |
| 1578 | |
| 1579 | buf = wm_adsp_buffer_alloc(dsp); |
| 1580 | if (!buf) |
| 1581 | return -ENOMEM; |
| 1582 | |
| 1583 | buf->host_buf_mem_type = cs_ctl->alg_region.type; |
| 1584 | buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); |
| 1585 | |
| 1586 | ret = wm_adsp_buffer_populate(buf); |
| 1587 | if (ret < 0) |
| 1588 | goto err; |
| 1589 | |
| 1590 | /* |
| 1591 | * v0 host_buffer coefficients didn't have versioning, so if the |
| 1592 | * control is one word, assume version 0. |
| 1593 | */ |
| 1594 | if (cs_ctl->len == 4) |
| 1595 | goto done; |
| 1596 | |
| 1597 | version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; |
| 1598 | version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; |
| 1599 | |
| 1600 | if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { |
| 1601 | adsp_err(dsp, |
| 1602 | "Host buffer coeff ver %u > supported version %u\n" , |
| 1603 | version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); |
| 1604 | ret = -EINVAL; |
| 1605 | goto err; |
| 1606 | } |
| 1607 | |
| 1608 | cs_dsp_remove_padding(buf: (u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); |
| 1609 | |
| 1610 | buf->name = kasprintf(GFP_KERNEL, fmt: "%s-dsp-%s" , dsp->part, |
| 1611 | (char *)&coeff_v1.name); |
| 1612 | |
| 1613 | done: |
| 1614 | list_add_tail(new: &buf->list, head: &dsp->buffer_list); |
| 1615 | |
| 1616 | compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n" , |
| 1617 | buf->host_buf_ptr, version); |
| 1618 | |
| 1619 | return version; |
| 1620 | |
| 1621 | err: |
| 1622 | kfree(objp: buf); |
| 1623 | |
| 1624 | return ret; |
| 1625 | } |
| 1626 | |
| 1627 | static int wm_adsp_buffer_init(struct wm_adsp *dsp) |
| 1628 | { |
| 1629 | struct cs_dsp_coeff_ctl *cs_ctl; |
| 1630 | int ret; |
| 1631 | |
| 1632 | list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { |
| 1633 | if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) |
| 1634 | continue; |
| 1635 | |
| 1636 | if (!cs_ctl->enabled) |
| 1637 | continue; |
| 1638 | |
| 1639 | ret = wm_adsp_buffer_parse_coeff(cs_ctl); |
| 1640 | if (ret < 0) { |
| 1641 | adsp_err(dsp, "Failed to parse coeff: %d\n" , ret); |
| 1642 | goto error; |
| 1643 | } else if (ret == 0) { |
| 1644 | /* Only one buffer supported for version 0 */ |
| 1645 | return 0; |
| 1646 | } |
| 1647 | } |
| 1648 | |
| 1649 | if (list_empty(head: &dsp->buffer_list)) { |
| 1650 | /* Fall back to legacy support */ |
| 1651 | ret = wm_adsp_buffer_parse_legacy(dsp); |
| 1652 | if (ret == -ENODEV) |
| 1653 | adsp_info(dsp, "Legacy support not available\n" ); |
| 1654 | else if (ret) |
| 1655 | adsp_warn(dsp, "Failed to parse legacy: %d\n" , ret); |
| 1656 | } |
| 1657 | |
| 1658 | return 0; |
| 1659 | |
| 1660 | error: |
| 1661 | wm_adsp_buffer_free(dsp); |
| 1662 | return ret; |
| 1663 | } |
| 1664 | |
| 1665 | static int wm_adsp_buffer_free(struct wm_adsp *dsp) |
| 1666 | { |
| 1667 | struct wm_adsp_compr_buf *buf, *tmp; |
| 1668 | |
| 1669 | list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { |
| 1670 | wm_adsp_compr_detach(compr: buf->compr); |
| 1671 | |
| 1672 | kfree(objp: buf->name); |
| 1673 | kfree(objp: buf->regions); |
| 1674 | list_del(entry: &buf->list); |
| 1675 | kfree(objp: buf); |
| 1676 | } |
| 1677 | |
| 1678 | return 0; |
| 1679 | } |
| 1680 | |
| 1681 | static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) |
| 1682 | { |
| 1683 | int ret; |
| 1684 | |
| 1685 | ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), data: &buf->error); |
| 1686 | if (ret < 0) { |
| 1687 | compr_err(buf, "Failed to check buffer error: %d\n" , ret); |
| 1688 | return ret; |
| 1689 | } |
| 1690 | if (buf->error != 0) { |
| 1691 | compr_err(buf, "Buffer error occurred: %d\n" , buf->error); |
| 1692 | return -EIO; |
| 1693 | } |
| 1694 | |
| 1695 | return 0; |
| 1696 | } |
| 1697 | |
| 1698 | int wm_adsp_compr_trigger(struct snd_soc_component *component, |
| 1699 | struct snd_compr_stream *stream, int cmd) |
| 1700 | { |
| 1701 | struct wm_adsp_compr *compr = stream->runtime->private_data; |
| 1702 | struct wm_adsp *dsp = compr->dsp; |
| 1703 | int ret = 0; |
| 1704 | |
| 1705 | compr_dbg(compr, "Trigger: %d\n" , cmd); |
| 1706 | |
| 1707 | mutex_lock(&dsp->cs_dsp.pwr_lock); |
| 1708 | |
| 1709 | switch (cmd) { |
| 1710 | case SNDRV_PCM_TRIGGER_START: |
| 1711 | if (!wm_adsp_compr_attached(compr)) { |
| 1712 | ret = wm_adsp_compr_attach(compr); |
| 1713 | if (ret < 0) { |
| 1714 | compr_err(compr, "Failed to link buffer and stream: %d\n" , |
| 1715 | ret); |
| 1716 | break; |
| 1717 | } |
| 1718 | } |
| 1719 | |
| 1720 | ret = wm_adsp_buffer_get_error(buf: compr->buf); |
| 1721 | if (ret < 0) |
| 1722 | break; |
| 1723 | |
| 1724 | /* Trigger the IRQ at one fragment of data */ |
| 1725 | ret = wm_adsp_buffer_write(buf: compr->buf, |
| 1726 | HOST_BUFFER_FIELD(high_water_mark), |
| 1727 | data: wm_adsp_compr_frag_words(compr)); |
| 1728 | if (ret < 0) { |
| 1729 | compr_err(compr, "Failed to set high water mark: %d\n" , |
| 1730 | ret); |
| 1731 | break; |
| 1732 | } |
| 1733 | break; |
| 1734 | case SNDRV_PCM_TRIGGER_STOP: |
| 1735 | if (wm_adsp_compr_attached(compr)) |
| 1736 | wm_adsp_buffer_clear(buf: compr->buf); |
| 1737 | break; |
| 1738 | default: |
| 1739 | ret = -EINVAL; |
| 1740 | break; |
| 1741 | } |
| 1742 | |
| 1743 | mutex_unlock(lock: &dsp->cs_dsp.pwr_lock); |
| 1744 | |
| 1745 | return ret; |
| 1746 | } |
| 1747 | EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); |
| 1748 | |
| 1749 | static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) |
| 1750 | { |
| 1751 | int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; |
| 1752 | |
| 1753 | return buf->regions[last_region].cumulative_size; |
| 1754 | } |
| 1755 | |
| 1756 | static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) |
| 1757 | { |
| 1758 | u32 next_read_index, next_write_index; |
| 1759 | int write_index, read_index, avail; |
| 1760 | int ret; |
| 1761 | |
| 1762 | /* Only sync read index if we haven't already read a valid index */ |
| 1763 | if (buf->read_index < 0) { |
| 1764 | ret = wm_adsp_buffer_read(buf, |
| 1765 | HOST_BUFFER_FIELD(next_read_index), |
| 1766 | data: &next_read_index); |
| 1767 | if (ret < 0) |
| 1768 | return ret; |
| 1769 | |
| 1770 | read_index = sign_extend32(value: next_read_index, index: 23); |
| 1771 | |
| 1772 | if (read_index < 0) { |
| 1773 | compr_dbg(buf, "Avail check on unstarted stream\n" ); |
| 1774 | return 0; |
| 1775 | } |
| 1776 | |
| 1777 | buf->read_index = read_index; |
| 1778 | } |
| 1779 | |
| 1780 | ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), |
| 1781 | data: &next_write_index); |
| 1782 | if (ret < 0) |
| 1783 | return ret; |
| 1784 | |
| 1785 | write_index = sign_extend32(value: next_write_index, index: 23); |
| 1786 | |
| 1787 | avail = write_index - buf->read_index; |
| 1788 | if (avail < 0) |
| 1789 | avail += wm_adsp_buffer_size(buf); |
| 1790 | |
| 1791 | compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n" , |
| 1792 | buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); |
| 1793 | |
| 1794 | buf->avail = avail; |
| 1795 | |
| 1796 | return 0; |
| 1797 | } |
| 1798 | |
| 1799 | int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) |
| 1800 | { |
| 1801 | struct wm_adsp_compr_buf *buf; |
| 1802 | struct wm_adsp_compr *compr; |
| 1803 | int ret = 0; |
| 1804 | |
| 1805 | mutex_lock(&dsp->cs_dsp.pwr_lock); |
| 1806 | |
| 1807 | if (list_empty(head: &dsp->buffer_list)) { |
| 1808 | ret = -ENODEV; |
| 1809 | goto out; |
| 1810 | } |
| 1811 | |
| 1812 | adsp_dbg(dsp, "Handling buffer IRQ\n" ); |
| 1813 | |
| 1814 | list_for_each_entry(buf, &dsp->buffer_list, list) { |
| 1815 | compr = buf->compr; |
| 1816 | |
| 1817 | ret = wm_adsp_buffer_get_error(buf); |
| 1818 | if (ret < 0) |
| 1819 | goto out_notify; /* Wake poll to report error */ |
| 1820 | |
| 1821 | ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), |
| 1822 | data: &buf->irq_count); |
| 1823 | if (ret < 0) { |
| 1824 | compr_err(buf, "Failed to get irq_count: %d\n" , ret); |
| 1825 | goto out; |
| 1826 | } |
| 1827 | |
| 1828 | ret = wm_adsp_buffer_update_avail(buf); |
| 1829 | if (ret < 0) { |
| 1830 | compr_err(buf, "Error reading avail: %d\n" , ret); |
| 1831 | goto out; |
| 1832 | } |
| 1833 | |
| 1834 | if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) |
| 1835 | ret = WM_ADSP_COMPR_VOICE_TRIGGER; |
| 1836 | |
| 1837 | out_notify: |
| 1838 | if (compr && compr->stream) |
| 1839 | snd_compr_fragment_elapsed(stream: compr->stream); |
| 1840 | } |
| 1841 | |
| 1842 | out: |
| 1843 | mutex_unlock(lock: &dsp->cs_dsp.pwr_lock); |
| 1844 | |
| 1845 | return ret; |
| 1846 | } |
| 1847 | EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); |
| 1848 | |
| 1849 | static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) |
| 1850 | { |
| 1851 | if (buf->irq_count & 0x01) |
| 1852 | return 0; |
| 1853 | |
| 1854 | compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n" , buf->irq_count); |
| 1855 | |
| 1856 | buf->irq_count |= 0x01; |
| 1857 | |
| 1858 | return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), |
| 1859 | data: buf->irq_count); |
| 1860 | } |
| 1861 | |
| 1862 | int wm_adsp_compr_pointer(struct snd_soc_component *component, |
| 1863 | struct snd_compr_stream *stream, |
| 1864 | struct snd_compr_tstamp64 *tstamp) |
| 1865 | { |
| 1866 | struct wm_adsp_compr *compr = stream->runtime->private_data; |
| 1867 | struct wm_adsp *dsp = compr->dsp; |
| 1868 | struct wm_adsp_compr_buf *buf; |
| 1869 | int ret = 0; |
| 1870 | |
| 1871 | compr_dbg(compr, "Pointer request\n" ); |
| 1872 | |
| 1873 | mutex_lock(&dsp->cs_dsp.pwr_lock); |
| 1874 | |
| 1875 | buf = compr->buf; |
| 1876 | |
| 1877 | if (dsp->fatal_error || !buf || buf->error) { |
| 1878 | snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); |
| 1879 | ret = -EIO; |
| 1880 | goto out; |
| 1881 | } |
| 1882 | |
| 1883 | if (buf->avail < wm_adsp_compr_frag_words(compr)) { |
| 1884 | ret = wm_adsp_buffer_update_avail(buf); |
| 1885 | if (ret < 0) { |
| 1886 | compr_err(compr, "Error reading avail: %d\n" , ret); |
| 1887 | goto out; |
| 1888 | } |
| 1889 | |
| 1890 | /* |
| 1891 | * If we really have less than 1 fragment available tell the |
| 1892 | * DSP to inform us once a whole fragment is available. |
| 1893 | */ |
| 1894 | if (buf->avail < wm_adsp_compr_frag_words(compr)) { |
| 1895 | ret = wm_adsp_buffer_get_error(buf); |
| 1896 | if (ret < 0) { |
| 1897 | if (buf->error) |
| 1898 | snd_compr_stop_error(stream, |
| 1899 | SNDRV_PCM_STATE_XRUN); |
| 1900 | goto out; |
| 1901 | } |
| 1902 | |
| 1903 | ret = wm_adsp_buffer_reenable_irq(buf); |
| 1904 | if (ret < 0) { |
| 1905 | compr_err(compr, "Failed to re-enable buffer IRQ: %d\n" , |
| 1906 | ret); |
| 1907 | goto out; |
| 1908 | } |
| 1909 | } |
| 1910 | } |
| 1911 | |
| 1912 | tstamp->copied_total = compr->copied_total; |
| 1913 | tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; |
| 1914 | tstamp->sampling_rate = compr->sample_rate; |
| 1915 | |
| 1916 | out: |
| 1917 | mutex_unlock(lock: &dsp->cs_dsp.pwr_lock); |
| 1918 | |
| 1919 | return ret; |
| 1920 | } |
| 1921 | EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); |
| 1922 | |
| 1923 | static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) |
| 1924 | { |
| 1925 | struct wm_adsp_compr_buf *buf = compr->buf; |
| 1926 | unsigned int adsp_addr; |
| 1927 | int mem_type, nwords, max_read; |
| 1928 | int i, ret; |
| 1929 | |
| 1930 | /* Calculate read parameters */ |
| 1931 | for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) |
| 1932 | if (buf->read_index < buf->regions[i].cumulative_size) |
| 1933 | break; |
| 1934 | |
| 1935 | if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) |
| 1936 | return -EINVAL; |
| 1937 | |
| 1938 | mem_type = buf->regions[i].mem_type; |
| 1939 | adsp_addr = buf->regions[i].base_addr + |
| 1940 | (buf->read_index - buf->regions[i].offset); |
| 1941 | |
| 1942 | max_read = wm_adsp_compr_frag_words(compr); |
| 1943 | nwords = buf->regions[i].cumulative_size - buf->read_index; |
| 1944 | |
| 1945 | if (nwords > target) |
| 1946 | nwords = target; |
| 1947 | if (nwords > buf->avail) |
| 1948 | nwords = buf->avail; |
| 1949 | if (nwords > max_read) |
| 1950 | nwords = max_read; |
| 1951 | if (!nwords) |
| 1952 | return 0; |
| 1953 | |
| 1954 | /* Read data from DSP */ |
| 1955 | ret = cs_dsp_read_raw_data_block(dsp: &buf->dsp->cs_dsp, mem_type, mem_addr: adsp_addr, |
| 1956 | num_words: nwords, data: (__be32 *)compr->raw_buf); |
| 1957 | if (ret < 0) |
| 1958 | return ret; |
| 1959 | |
| 1960 | cs_dsp_remove_padding(buf: compr->raw_buf, nwords); |
| 1961 | |
| 1962 | /* update read index to account for words read */ |
| 1963 | buf->read_index += nwords; |
| 1964 | if (buf->read_index == wm_adsp_buffer_size(buf)) |
| 1965 | buf->read_index = 0; |
| 1966 | |
| 1967 | ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), |
| 1968 | data: buf->read_index); |
| 1969 | if (ret < 0) |
| 1970 | return ret; |
| 1971 | |
| 1972 | /* update avail to account for words read */ |
| 1973 | buf->avail -= nwords; |
| 1974 | |
| 1975 | return nwords; |
| 1976 | } |
| 1977 | |
| 1978 | static int wm_adsp_compr_read(struct wm_adsp_compr *compr, |
| 1979 | char __user *buf, size_t count) |
| 1980 | { |
| 1981 | struct wm_adsp *dsp = compr->dsp; |
| 1982 | int ntotal = 0; |
| 1983 | int nwords, nbytes; |
| 1984 | |
| 1985 | compr_dbg(compr, "Requested read of %zu bytes\n" , count); |
| 1986 | |
| 1987 | if (dsp->fatal_error || !compr->buf || compr->buf->error) { |
| 1988 | snd_compr_stop_error(stream: compr->stream, SNDRV_PCM_STATE_XRUN); |
| 1989 | return -EIO; |
| 1990 | } |
| 1991 | |
| 1992 | count /= CS_DSP_DATA_WORD_SIZE; |
| 1993 | |
| 1994 | do { |
| 1995 | nwords = wm_adsp_buffer_capture_block(compr, target: count); |
| 1996 | if (nwords < 0) { |
| 1997 | compr_err(compr, "Failed to capture block: %d\n" , |
| 1998 | nwords); |
| 1999 | return nwords; |
| 2000 | } |
| 2001 | |
| 2002 | nbytes = nwords * CS_DSP_DATA_WORD_SIZE; |
| 2003 | |
| 2004 | compr_dbg(compr, "Read %d bytes\n" , nbytes); |
| 2005 | |
| 2006 | if (copy_to_user(to: buf + ntotal, from: compr->raw_buf, n: nbytes)) { |
| 2007 | compr_err(compr, "Failed to copy data to user: %d, %d\n" , |
| 2008 | ntotal, nbytes); |
| 2009 | return -EFAULT; |
| 2010 | } |
| 2011 | |
| 2012 | count -= nwords; |
| 2013 | ntotal += nbytes; |
| 2014 | } while (nwords > 0 && count > 0); |
| 2015 | |
| 2016 | compr->copied_total += ntotal; |
| 2017 | |
| 2018 | return ntotal; |
| 2019 | } |
| 2020 | |
| 2021 | int wm_adsp_compr_copy(struct snd_soc_component *component, |
| 2022 | struct snd_compr_stream *stream, char __user *buf, |
| 2023 | size_t count) |
| 2024 | { |
| 2025 | struct wm_adsp_compr *compr = stream->runtime->private_data; |
| 2026 | struct wm_adsp *dsp = compr->dsp; |
| 2027 | int ret; |
| 2028 | |
| 2029 | mutex_lock(&dsp->cs_dsp.pwr_lock); |
| 2030 | |
| 2031 | if (stream->direction == SND_COMPRESS_CAPTURE) |
| 2032 | ret = wm_adsp_compr_read(compr, buf, count); |
| 2033 | else |
| 2034 | ret = -ENOTSUPP; |
| 2035 | |
| 2036 | mutex_unlock(lock: &dsp->cs_dsp.pwr_lock); |
| 2037 | |
| 2038 | return ret; |
| 2039 | } |
| 2040 | EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); |
| 2041 | |
| 2042 | static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) |
| 2043 | { |
| 2044 | struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); |
| 2045 | struct wm_adsp_compr *compr; |
| 2046 | |
| 2047 | dsp->fatal_error = true; |
| 2048 | |
| 2049 | list_for_each_entry(compr, &dsp->compr_list, list) { |
| 2050 | if (compr->stream) |
| 2051 | snd_compr_fragment_elapsed(stream: compr->stream); |
| 2052 | } |
| 2053 | } |
| 2054 | |
| 2055 | irqreturn_t wm_adsp2_bus_error(int irq, void *data) |
| 2056 | { |
| 2057 | struct wm_adsp *dsp = (struct wm_adsp *)data; |
| 2058 | |
| 2059 | cs_dsp_adsp2_bus_error(dsp: &dsp->cs_dsp); |
| 2060 | |
| 2061 | return IRQ_HANDLED; |
| 2062 | } |
| 2063 | EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); |
| 2064 | |
| 2065 | irqreturn_t wm_halo_bus_error(int irq, void *data) |
| 2066 | { |
| 2067 | struct wm_adsp *dsp = (struct wm_adsp *)data; |
| 2068 | |
| 2069 | cs_dsp_halo_bus_error(dsp: &dsp->cs_dsp); |
| 2070 | |
| 2071 | return IRQ_HANDLED; |
| 2072 | } |
| 2073 | EXPORT_SYMBOL_GPL(wm_halo_bus_error); |
| 2074 | |
| 2075 | irqreturn_t wm_halo_wdt_expire(int irq, void *data) |
| 2076 | { |
| 2077 | struct wm_adsp *dsp = data; |
| 2078 | |
| 2079 | cs_dsp_halo_wdt_expire(dsp: &dsp->cs_dsp); |
| 2080 | |
| 2081 | return IRQ_HANDLED; |
| 2082 | } |
| 2083 | EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); |
| 2084 | |
| 2085 | static const struct cs_dsp_client_ops wm_adsp1_client_ops = { |
| 2086 | .control_add = wm_adsp_control_add_cb, |
| 2087 | .control_remove = wm_adsp_control_remove, |
| 2088 | }; |
| 2089 | |
| 2090 | static const struct cs_dsp_client_ops wm_adsp2_client_ops = { |
| 2091 | .control_add = wm_adsp_control_add_cb, |
| 2092 | .control_remove = wm_adsp_control_remove, |
| 2093 | .pre_run = wm_adsp_pre_run, |
| 2094 | .post_run = wm_adsp_event_post_run, |
| 2095 | .post_stop = wm_adsp_event_post_stop, |
| 2096 | .watchdog_expired = wm_adsp_fatal_error, |
| 2097 | }; |
| 2098 | |
| 2099 | MODULE_DESCRIPTION("Cirrus Logic ASoC DSP Support" ); |
| 2100 | MODULE_LICENSE("GPL v2" ); |
| 2101 | MODULE_IMPORT_NS("FW_CS_DSP" ); |
| 2102 | |