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ASoC: wm_adsp: Fix some subtle races on compressed stream
[deliverable/linux.git] / sound / soc / codecs / wm_adsp.c
CommitLineData
2159ad93
MB		 1/*
2 * wm_adsp.c -- Wolfson ADSP support
3 *
4 * Copyright 2012 Wolfson Microelectronics plc
5 *
6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
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>
cf17c83c 18#include <linux/list.h>
2159ad93
MB		 19#include <linux/pm.h>
20#include <linux/pm_runtime.h>
21#include <linux/regmap.h>
973838a0 22#include <linux/regulator/consumer.h>
2159ad93 23#include <linux/slab.h>
cdcd7f72 24#include <linux/vmalloc.h>
6ab2b7b4 25#include <linux/workqueue.h>
f9f55e31 26#include <linux/debugfs.h>
2159ad93
MB		 27#include <sound/core.h>
28#include <sound/pcm.h>
29#include <sound/pcm_params.h>
30#include <sound/soc.h>
31#include <sound/jack.h>
32#include <sound/initval.h>
33#include <sound/tlv.h>
34
2159ad93
MB		 35#include "wm_adsp.h"
36
37#define adsp_crit(_dsp, fmt, ...) \
38 dev_crit(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
39#define adsp_err(_dsp, fmt, ...) \
40 dev_err(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
41#define adsp_warn(_dsp, fmt, ...) \
42 dev_warn(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
43#define adsp_info(_dsp, fmt, ...) \
44 dev_info(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
45#define adsp_dbg(_dsp, fmt, ...) \
46 dev_dbg(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
47
48#define ADSP1_CONTROL_1 0x00
49#define ADSP1_CONTROL_2 0x02
50#define ADSP1_CONTROL_3 0x03
51#define ADSP1_CONTROL_4 0x04
52#define ADSP1_CONTROL_5 0x06
53#define ADSP1_CONTROL_6 0x07
54#define ADSP1_CONTROL_7 0x08
55#define ADSP1_CONTROL_8 0x09
56#define ADSP1_CONTROL_9 0x0A
57#define ADSP1_CONTROL_10 0x0B
58#define ADSP1_CONTROL_11 0x0C
59#define ADSP1_CONTROL_12 0x0D
60#define ADSP1_CONTROL_13 0x0F
61#define ADSP1_CONTROL_14 0x10
62#define ADSP1_CONTROL_15 0x11
63#define ADSP1_CONTROL_16 0x12
64#define ADSP1_CONTROL_17 0x13
65#define ADSP1_CONTROL_18 0x14
66#define ADSP1_CONTROL_19 0x16
67#define ADSP1_CONTROL_20 0x17
68#define ADSP1_CONTROL_21 0x18
69#define ADSP1_CONTROL_22 0x1A
70#define ADSP1_CONTROL_23 0x1B
71#define ADSP1_CONTROL_24 0x1C
72#define ADSP1_CONTROL_25 0x1E
73#define ADSP1_CONTROL_26 0x20
74#define ADSP1_CONTROL_27 0x21
75#define ADSP1_CONTROL_28 0x22
76#define ADSP1_CONTROL_29 0x23
77#define ADSP1_CONTROL_30 0x24
78#define ADSP1_CONTROL_31 0x26
79
80/*
81 * ADSP1 Control 19
82 */
83#define ADSP1_WDMA_BUFFER_LENGTH_MASK 0x00FF /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
84#define ADSP1_WDMA_BUFFER_LENGTH_SHIFT 0 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
85#define ADSP1_WDMA_BUFFER_LENGTH_WIDTH 8 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
86
87
88/*
89 * ADSP1 Control 30
90 */
91#define ADSP1_DBG_CLK_ENA 0x0008 /* DSP1_DBG_CLK_ENA */
92#define ADSP1_DBG_CLK_ENA_MASK 0x0008 /* DSP1_DBG_CLK_ENA */
93#define ADSP1_DBG_CLK_ENA_SHIFT 3 /* DSP1_DBG_CLK_ENA */
94#define ADSP1_DBG_CLK_ENA_WIDTH 1 /* DSP1_DBG_CLK_ENA */
95#define ADSP1_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
96#define ADSP1_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
97#define ADSP1_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
98#define ADSP1_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
99#define ADSP1_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
100#define ADSP1_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
101#define ADSP1_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
102#define ADSP1_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
103#define ADSP1_START 0x0001 /* DSP1_START */
104#define ADSP1_START_MASK 0x0001 /* DSP1_START */
105#define ADSP1_START_SHIFT 0 /* DSP1_START */
106#define ADSP1_START_WIDTH 1 /* DSP1_START */
107
94e205bf
CR		 108/*
109 * ADSP1 Control 31
110 */
111#define ADSP1_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
112#define ADSP1_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
113#define ADSP1_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
114
2d30b575
MB		 115#define ADSP2_CONTROL 0x0
116#define ADSP2_CLOCKING 0x1
117#define ADSP2_STATUS1 0x4
118#define ADSP2_WDMA_CONFIG_1 0x30
119#define ADSP2_WDMA_CONFIG_2 0x31
120#define ADSP2_RDMA_CONFIG_1 0x34
2159ad93 121
10337b07
RF		 122#define ADSP2_SCRATCH0 0x40
123#define ADSP2_SCRATCH1 0x41
124#define ADSP2_SCRATCH2 0x42
125#define ADSP2_SCRATCH3 0x43
126
2159ad93
MB		 127/*
128 * ADSP2 Control
129 */
130
131#define ADSP2_MEM_ENA 0x0010 /* DSP1_MEM_ENA */
132#define ADSP2_MEM_ENA_MASK 0x0010 /* DSP1_MEM_ENA */
133#define ADSP2_MEM_ENA_SHIFT 4 /* DSP1_MEM_ENA */
134#define ADSP2_MEM_ENA_WIDTH 1 /* DSP1_MEM_ENA */
135#define ADSP2_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
136#define ADSP2_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
137#define ADSP2_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
138#define ADSP2_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
139#define ADSP2_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
140#define ADSP2_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
141#define ADSP2_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
142#define ADSP2_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
143#define ADSP2_START 0x0001 /* DSP1_START */
144#define ADSP2_START_MASK 0x0001 /* DSP1_START */
145#define ADSP2_START_SHIFT 0 /* DSP1_START */
146#define ADSP2_START_WIDTH 1 /* DSP1_START */
147
973838a0
MB		 148/*
149 * ADSP2 clocking
150 */
151#define ADSP2_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
152#define ADSP2_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
153#define ADSP2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
154
2159ad93
MB		 155/*
156 * ADSP2 Status 1
157 */
158#define ADSP2_RAM_RDY 0x0001
159#define ADSP2_RAM_RDY_MASK 0x0001
160#define ADSP2_RAM_RDY_SHIFT 0
161#define ADSP2_RAM_RDY_WIDTH 1
162
cf17c83c
MB		 163struct wm_adsp_buf {
164 struct list_head list;
165 void *buf;
166};
167
168static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len,
169 struct list_head *list)
170{
171 struct wm_adsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL);
172
173 if (buf == NULL)
174 return NULL;
175
cdcd7f72 176 buf->buf = vmalloc(len);
cf17c83c 177 if (!buf->buf) {
cdcd7f72 178 vfree(buf);
cf17c83c
MB		 179 return NULL;
180 }
cdcd7f72 181 memcpy(buf->buf, src, len);
cf17c83c
MB		 182
183 if (list)
184 list_add_tail(&buf->list, list);
185
186 return buf;
187}
188
189static void wm_adsp_buf_free(struct list_head *list)
190{
191 while (!list_empty(list)) {
192 struct wm_adsp_buf *buf = list_first_entry(list,
193 struct wm_adsp_buf,
194 list);
195 list_del(&buf->list);
cdcd7f72 196 vfree(buf->buf);
cf17c83c
MB		 197 kfree(buf);
198 }
199}
200
04d1300f
CK		 201#define WM_ADSP_FW_MBC_VSS 0
202#define WM_ADSP_FW_HIFI 1
203#define WM_ADSP_FW_TX 2
204#define WM_ADSP_FW_TX_SPK 3
205#define WM_ADSP_FW_RX 4
206#define WM_ADSP_FW_RX_ANC 5
207#define WM_ADSP_FW_CTRL 6
208#define WM_ADSP_FW_ASR 7
209#define WM_ADSP_FW_TRACE 8
210#define WM_ADSP_FW_SPK_PROT 9
211#define WM_ADSP_FW_MISC 10
212
213#define WM_ADSP_NUM_FW 11
dd84f925 214
1023dbd9 215static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
04d1300f
CK		 216 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS",
217 [WM_ADSP_FW_HIFI] = "MasterHiFi",
218 [WM_ADSP_FW_TX] = "Tx",
219 [WM_ADSP_FW_TX_SPK] = "Tx Speaker",
220 [WM_ADSP_FW_RX] = "Rx",
221 [WM_ADSP_FW_RX_ANC] = "Rx ANC",
222 [WM_ADSP_FW_CTRL] = "Voice Ctrl",
223 [WM_ADSP_FW_ASR] = "ASR Assist",
224 [WM_ADSP_FW_TRACE] = "Dbg Trace",
225 [WM_ADSP_FW_SPK_PROT] = "Protection",
226 [WM_ADSP_FW_MISC] = "Misc",
1023dbd9
MB		 227};
228
2cd19bdb
CK		 229struct wm_adsp_system_config_xm_hdr {
230 __be32 sys_enable;
231 __be32 fw_id;
232 __be32 fw_rev;
233 __be32 boot_status;
234 __be32 watchdog;
235 __be32 dma_buffer_size;
236 __be32 rdma[6];
237 __be32 wdma[8];
238 __be32 build_job_name[3];
239 __be32 build_job_number;
240};
241
242struct wm_adsp_alg_xm_struct {
243 __be32 magic;
244 __be32 smoothing;
245 __be32 threshold;
246 __be32 host_buf_ptr;
247 __be32 start_seq;
248 __be32 high_water_mark;
249 __be32 low_water_mark;
250 __be64 smoothed_power;
251};
252
253struct wm_adsp_buffer {
254 __be32 X_buf_base; /* XM base addr of first X area */
255 __be32 X_buf_size; /* Size of 1st X area in words */
256 __be32 X_buf_base2; /* XM base addr of 2nd X area */
257 __be32 X_buf_brk; /* Total X size in words */
258 __be32 Y_buf_base; /* YM base addr of Y area */
259 __be32 wrap; /* Total size X and Y in words */
260 __be32 high_water_mark; /* Point at which IRQ is asserted */
261 __be32 irq_count; /* bits 1-31 count IRQ assertions */
262 __be32 irq_ack; /* acked IRQ count, bit 0 enables IRQ */
263 __be32 next_write_index; /* word index of next write */
264 __be32 next_read_index; /* word index of next read */
265 __be32 error; /* error if any */
266 __be32 oldest_block_index; /* word index of oldest surviving */
267 __be32 requested_rewind; /* how many blocks rewind was done */
268 __be32 reserved_space; /* internal */
269 __be32 min_free; /* min free space since stream start */
270 __be32 blocks_written[2]; /* total blocks written (64 bit) */
271 __be32 words_written[2]; /* total words written (64 bit) */
272};
273
274struct wm_adsp_compr_buf {
275 struct wm_adsp *dsp;
276
277 struct wm_adsp_buffer_region *regions;
278 u32 host_buf_ptr;
565ace46
CK		 279
280 u32 error;
281 u32 irq_count;
282 int read_index;
283 int avail;
2cd19bdb
CK		 284};
285
406abc95
CK		 286struct wm_adsp_compr {
287 struct wm_adsp *dsp;
95fe9597 288 struct wm_adsp_compr_buf *buf;
406abc95
CK		 289
290 struct snd_compr_stream *stream;
291 struct snd_compressed_buffer size;
565ace46 292
83a40ce9 293 u32 *raw_buf;
565ace46 294 unsigned int copied_total;
da2b3358
CK		 295
296 unsigned int sample_rate;
406abc95
CK		 297};
298
299#define WM_ADSP_DATA_WORD_SIZE 3
300
301#define WM_ADSP_MIN_FRAGMENTS 1
302#define WM_ADSP_MAX_FRAGMENTS 256
303#define WM_ADSP_MIN_FRAGMENT_SIZE (64 * WM_ADSP_DATA_WORD_SIZE)
304#define WM_ADSP_MAX_FRAGMENT_SIZE (4096 * WM_ADSP_DATA_WORD_SIZE)
305
2cd19bdb
CK		 306#define WM_ADSP_ALG_XM_STRUCT_MAGIC 0x49aec7
307
308#define HOST_BUFFER_FIELD(field) \
309 (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32))
310
311#define ALG_XM_FIELD(field) \
312 (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32))
313
314static int wm_adsp_buffer_init(struct wm_adsp *dsp);
315static int wm_adsp_buffer_free(struct wm_adsp *dsp);
316
317struct wm_adsp_buffer_region {
318 unsigned int offset;
319 unsigned int cumulative_size;
320 unsigned int mem_type;
321 unsigned int base_addr;
322};
323
324struct wm_adsp_buffer_region_def {
325 unsigned int mem_type;
326 unsigned int base_offset;
327 unsigned int size_offset;
328};
329
3a9686c4 330static const struct wm_adsp_buffer_region_def default_regions[] = {
2cd19bdb
CK		 331 {
332 .mem_type = WMFW_ADSP2_XM,
333 .base_offset = HOST_BUFFER_FIELD(X_buf_base),
334 .size_offset = HOST_BUFFER_FIELD(X_buf_size),
335 },
336 {
337 .mem_type = WMFW_ADSP2_XM,
338 .base_offset = HOST_BUFFER_FIELD(X_buf_base2),
339 .size_offset = HOST_BUFFER_FIELD(X_buf_brk),
340 },
341 {
342 .mem_type = WMFW_ADSP2_YM,
343 .base_offset = HOST_BUFFER_FIELD(Y_buf_base),
344 .size_offset = HOST_BUFFER_FIELD(wrap),
345 },
346};
347
406abc95
CK		 348struct wm_adsp_fw_caps {
349 u32 id;
350 struct snd_codec_desc desc;
2cd19bdb 351 int num_regions;
3a9686c4 352 const struct wm_adsp_buffer_region_def *region_defs;
406abc95
CK		 353};
354
e6d00f34 355static const struct wm_adsp_fw_caps ctrl_caps[] = {
406abc95
CK		 356 {
357 .id = SND_AUDIOCODEC_BESPOKE,
358 .desc = {
359 .max_ch = 1,
360 .sample_rates = { 16000 },
361 .num_sample_rates = 1,
362 .formats = SNDRV_PCM_FMTBIT_S16_LE,
363 },
e6d00f34
CK		 364 .num_regions = ARRAY_SIZE(default_regions),
365 .region_defs = default_regions,
406abc95
CK		 366 },
367};
368
7ce4283c
CK		 369static const struct wm_adsp_fw_caps trace_caps[] = {
370 {
371 .id = SND_AUDIOCODEC_BESPOKE,
372 .desc = {
373 .max_ch = 8,
374 .sample_rates = {
375 4000, 8000, 11025, 12000, 16000, 22050,
376 24000, 32000, 44100, 48000, 64000, 88200,
377 96000, 176400, 192000
378 },
379 .num_sample_rates = 15,
380 .formats = SNDRV_PCM_FMTBIT_S16_LE,
381 },
382 .num_regions = ARRAY_SIZE(default_regions),
383 .region_defs = default_regions,
406abc95
CK		 384 },
385};
386
387static const struct {
1023dbd9 388 const char *file;
406abc95
CK		 389 int compr_direction;
390 int num_caps;
391 const struct wm_adsp_fw_caps *caps;
1023dbd9 392} wm_adsp_fw[WM_ADSP_NUM_FW] = {
04d1300f
CK		 393 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" },
394 [WM_ADSP_FW_HIFI] = { .file = "hifi" },
395 [WM_ADSP_FW_TX] = { .file = "tx" },
396 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" },
397 [WM_ADSP_FW_RX] = { .file = "rx" },
398 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" },
406abc95
CK		 399 [WM_ADSP_FW_CTRL] = {
400 .file = "ctrl",
401 .compr_direction = SND_COMPRESS_CAPTURE,
e6d00f34
CK		 402 .num_caps = ARRAY_SIZE(ctrl_caps),
403 .caps = ctrl_caps,
406abc95 404 },
04d1300f 405 [WM_ADSP_FW_ASR] = { .file = "asr" },
7ce4283c
CK		 406 [WM_ADSP_FW_TRACE] = {
407 .file = "trace",
408 .compr_direction = SND_COMPRESS_CAPTURE,
409 .num_caps = ARRAY_SIZE(trace_caps),
410 .caps = trace_caps,
411 },
04d1300f
CK		 412 [WM_ADSP_FW_SPK_PROT] = { .file = "spk-prot" },
413 [WM_ADSP_FW_MISC] = { .file = "misc" },
1023dbd9
MB		 414};
415
6ab2b7b4
DP		 416struct wm_coeff_ctl_ops {
417 int (*xget)(struct snd_kcontrol *kcontrol,
418 struct snd_ctl_elem_value *ucontrol);
419 int (*xput)(struct snd_kcontrol *kcontrol,
420 struct snd_ctl_elem_value *ucontrol);
421 int (*xinfo)(struct snd_kcontrol *kcontrol,
422 struct snd_ctl_elem_info *uinfo);
423};
424
6ab2b7b4
DP		 425struct wm_coeff_ctl {
426 const char *name;
2323736d 427 const char *fw_name;
3809f001 428 struct wm_adsp_alg_region alg_region;
6ab2b7b4 429 struct wm_coeff_ctl_ops ops;
3809f001 430 struct wm_adsp *dsp;
6ab2b7b4
DP		 431 unsigned int enabled:1;
432 struct list_head list;
433 void *cache;
2323736d 434 unsigned int offset;
6ab2b7b4 435 size_t len;
0c2e3f34 436 unsigned int set:1;
6ab2b7b4 437 struct snd_kcontrol *kcontrol;
26c22a19 438 unsigned int flags;
6ab2b7b4
DP		 439};
440
f9f55e31
RF		 441#ifdef CONFIG_DEBUG_FS
442static void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp, const char *s)
443{
444 char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
445
f9f55e31
RF		 446 kfree(dsp->wmfw_file_name);
447 dsp->wmfw_file_name = tmp;
f9f55e31
RF		 448}
449
450static void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp, const char *s)
451{
452 char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
453
f9f55e31
RF		 454 kfree(dsp->bin_file_name);
455 dsp->bin_file_name = tmp;
f9f55e31
RF		 456}
457
458static void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
459{
f9f55e31
RF		 460 kfree(dsp->wmfw_file_name);
461 kfree(dsp->bin_file_name);
462 dsp->wmfw_file_name = NULL;
463 dsp->bin_file_name = NULL;
f9f55e31
RF		 464}
465
466static ssize_t wm_adsp_debugfs_wmfw_read(struct file *file,
467 char __user *user_buf,
468 size_t count, loff_t *ppos)
469{
470 struct wm_adsp *dsp = file->private_data;
471 ssize_t ret;
472
078e7183 473 mutex_lock(&dsp->pwr_lock);
f9f55e31
RF		 474
475 if (!dsp->wmfw_file_name || !dsp->running)
476 ret = 0;
477 else
478 ret = simple_read_from_buffer(user_buf, count, ppos,
479 dsp->wmfw_file_name,
480 strlen(dsp->wmfw_file_name));
481
078e7183 482 mutex_unlock(&dsp->pwr_lock);
f9f55e31
RF		 483 return ret;
484}
485
486static ssize_t wm_adsp_debugfs_bin_read(struct file *file,
487 char __user *user_buf,
488 size_t count, loff_t *ppos)
489{
490 struct wm_adsp *dsp = file->private_data;
491 ssize_t ret;
492
078e7183 493 mutex_lock(&dsp->pwr_lock);
f9f55e31
RF		 494
495 if (!dsp->bin_file_name || !dsp->running)
496 ret = 0;
497 else
498 ret = simple_read_from_buffer(user_buf, count, ppos,
499 dsp->bin_file_name,
500 strlen(dsp->bin_file_name));
501
078e7183 502 mutex_unlock(&dsp->pwr_lock);
f9f55e31
RF		 503 return ret;
504}
505
506static const struct {
507 const char *name;
508 const struct file_operations fops;
509} wm_adsp_debugfs_fops[] = {
510 {
511 .name = "wmfw_file_name",
512 .fops = {
513 .open = simple_open,
514 .read = wm_adsp_debugfs_wmfw_read,
515 },
516 },
517 {
518 .name = "bin_file_name",
519 .fops = {
520 .open = simple_open,
521 .read = wm_adsp_debugfs_bin_read,
522 },
523 },
524};
525
526static void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
527 struct snd_soc_codec *codec)
528{
529 struct dentry *root = NULL;
530 char *root_name;
531 int i;
532
533 if (!codec->component.debugfs_root) {
534 adsp_err(dsp, "No codec debugfs root\n");
535 goto err;
536 }
537
538 root_name = kmalloc(PAGE_SIZE, GFP_KERNEL);
539 if (!root_name)
540 goto err;
541
542 snprintf(root_name, PAGE_SIZE, "dsp%d", dsp->num);
543 root = debugfs_create_dir(root_name, codec->component.debugfs_root);
544 kfree(root_name);
545
546 if (!root)
547 goto err;
548
549 if (!debugfs_create_bool("running", S_IRUGO, root, &dsp->running))
550 goto err;
551
552 if (!debugfs_create_x32("fw_id", S_IRUGO, root, &dsp->fw_id))
553 goto err;
554
555 if (!debugfs_create_x32("fw_version", S_IRUGO, root,
556 &dsp->fw_id_version))
557 goto err;
558
559 for (i = 0; i < ARRAY_SIZE(wm_adsp_debugfs_fops); ++i) {
560 if (!debugfs_create_file(wm_adsp_debugfs_fops[i].name,
561 S_IRUGO, root, dsp,
562 &wm_adsp_debugfs_fops[i].fops))
563 goto err;
564 }
565
566 dsp->debugfs_root = root;
567 return;
568
569err:
570 debugfs_remove_recursive(root);
571 adsp_err(dsp, "Failed to create debugfs\n");
572}
573
574static void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
575{
576 wm_adsp_debugfs_clear(dsp);
577 debugfs_remove_recursive(dsp->debugfs_root);
578}
579#else
580static inline void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
581 struct snd_soc_codec *codec)
582{
583}
584
585static inline void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
586{
587}
588
589static inline void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp,
590 const char *s)
591{
592}
593
594static inline void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp,
595 const char *s)
596{
597}
598
599static inline void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
600{
601}
602#endif
603
1023dbd9
MB		 604static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
605 struct snd_ctl_elem_value *ucontrol)
606{
ea53bf77 607 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
1023dbd9 608 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
3809f001 609 struct wm_adsp *dsp = snd_soc_codec_get_drvdata(codec);
1023dbd9 610
15c66570 611 ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw;
1023dbd9
MB		 612
613 return 0;
614}
615
616static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
617 struct snd_ctl_elem_value *ucontrol)
618{
ea53bf77 619 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
1023dbd9 620 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
3809f001 621 struct wm_adsp *dsp = snd_soc_codec_get_drvdata(codec);
d27c5e15 622 int ret = 0;
1023dbd9 623
15c66570 624 if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw)
1023dbd9
MB		 625 return 0;
626
15c66570 627 if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW)
1023dbd9
MB		 628 return -EINVAL;
629
d27c5e15
CK		 630 mutex_lock(&dsp[e->shift_l].pwr_lock);
631
406abc95 632 if (dsp[e->shift_l].running || dsp[e->shift_l].compr)
d27c5e15
CK		 633 ret = -EBUSY;
634 else
15c66570 635 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0];
1023dbd9 636
d27c5e15 637 mutex_unlock(&dsp[e->shift_l].pwr_lock);
1023dbd9 638
d27c5e15 639 return ret;
1023dbd9
MB		 640}
641
642static const struct soc_enum wm_adsp_fw_enum[] = {
643 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
644 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
645 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
646 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
647};
648
336d0442 649const struct snd_kcontrol_new wm_adsp_fw_controls[] = {
1023dbd9
MB		 650 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
651 wm_adsp_fw_get, wm_adsp_fw_put),
652 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
653 wm_adsp_fw_get, wm_adsp_fw_put),
654 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
655 wm_adsp_fw_get, wm_adsp_fw_put),
336d0442
RF		 656 SOC_ENUM_EXT("DSP4 Firmware", wm_adsp_fw_enum[3],
657 wm_adsp_fw_get, wm_adsp_fw_put),
b6ed61cf 658};
336d0442 659EXPORT_SYMBOL_GPL(wm_adsp_fw_controls);
2159ad93
MB		 660
661static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
662 int type)
663{
664 int i;
665
666 for (i = 0; i < dsp->num_mems; i++)
667 if (dsp->mem[i].type == type)
668 return &dsp->mem[i];
669
670 return NULL;
671}
672
3809f001 673static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *mem,
45b9ee72
MB		 674 unsigned int offset)
675{
3809f001 676 if (WARN_ON(!mem))
6c452bda 677 return offset;
3809f001 678 switch (mem->type) {
45b9ee72 679 case WMFW_ADSP1_PM:
3809f001 680 return mem->base + (offset * 3);
45b9ee72 681 case WMFW_ADSP1_DM:
3809f001 682 return mem->base + (offset * 2);
45b9ee72 683 case WMFW_ADSP2_XM:
3809f001 684 return mem->base + (offset * 2);
45b9ee72 685 case WMFW_ADSP2_YM:
3809f001 686 return mem->base + (offset * 2);
45b9ee72 687 case WMFW_ADSP1_ZM:
3809f001 688 return mem->base + (offset * 2);
45b9ee72 689 default:
6c452bda 690 WARN(1, "Unknown memory region type");
45b9ee72
MB		 691 return offset;
692 }
693}
694
10337b07
RF		 695static void wm_adsp2_show_fw_status(struct wm_adsp *dsp)
696{
697 u16 scratch[4];
698 int ret;
699
700 ret = regmap_raw_read(dsp->regmap, dsp->base + ADSP2_SCRATCH0,
701 scratch, sizeof(scratch));
702 if (ret) {
703 adsp_err(dsp, "Failed to read SCRATCH regs: %d\n", ret);
704 return;
705 }
706
707 adsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n",
708 be16_to_cpu(scratch[0]),
709 be16_to_cpu(scratch[1]),
710 be16_to_cpu(scratch[2]),
711 be16_to_cpu(scratch[3]));
712}
713
7585a5b0 714static int wm_coeff_info(struct snd_kcontrol *kctl,
6ab2b7b4
DP		 715 struct snd_ctl_elem_info *uinfo)
716{
7585a5b0 717 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
6ab2b7b4
DP		 718
719 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
720 uinfo->count = ctl->len;
721 return 0;
722}
723
c9f8dd71 724static int wm_coeff_write_control(struct wm_coeff_ctl *ctl,
6ab2b7b4
DP		 725 const void *buf, size_t len)
726{
3809f001 727 struct wm_adsp_alg_region *alg_region = &ctl->alg_region;
6ab2b7b4 728 const struct wm_adsp_region *mem;
3809f001 729 struct wm_adsp *dsp = ctl->dsp;
6ab2b7b4
DP		 730 void *scratch;
731 int ret;
732 unsigned int reg;
733
3809f001 734 mem = wm_adsp_find_region(dsp, alg_region->type);
6ab2b7b4 735 if (!mem) {
3809f001
CK		 736 adsp_err(dsp, "No base for region %x\n",
737 alg_region->type);
6ab2b7b4
DP		 738 return -EINVAL;
739 }
740
2323736d 741 reg = ctl->alg_region.base + ctl->offset;
6ab2b7b4
DP		 742 reg = wm_adsp_region_to_reg(mem, reg);
743
4f8ea6d7 744 scratch = kmemdup(buf, len, GFP_KERNEL | GFP_DMA);
6ab2b7b4
DP		 745 if (!scratch)
746 return -ENOMEM;
747
3809f001 748 ret = regmap_raw_write(dsp->regmap, reg, scratch,
4f8ea6d7 749 len);
6ab2b7b4 750 if (ret) {
3809f001 751 adsp_err(dsp, "Failed to write %zu bytes to %x: %d\n",
4f8ea6d7 752 len, reg, ret);
6ab2b7b4
DP		 753 kfree(scratch);
754 return ret;
755 }
4f8ea6d7 756 adsp_dbg(dsp, "Wrote %zu bytes to %x\n", len, reg);
6ab2b7b4
DP		 757
758 kfree(scratch);
759
760 return 0;
761}
762
7585a5b0 763static int wm_coeff_put(struct snd_kcontrol *kctl,
6ab2b7b4
DP		 764 struct snd_ctl_elem_value *ucontrol)
765{
7585a5b0 766 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
6ab2b7b4 767 char *p = ucontrol->value.bytes.data;
168d10e7
CK		 768 int ret = 0;
769
770 mutex_lock(&ctl->dsp->pwr_lock);
6ab2b7b4
DP		 771
772 memcpy(ctl->cache, p, ctl->len);
773
65d17a9c 774 ctl->set = 1;
168d10e7
CK		 775 if (ctl->enabled)
776 ret = wm_coeff_write_control(ctl, p, ctl->len);
6ab2b7b4 777
168d10e7
CK		 778 mutex_unlock(&ctl->dsp->pwr_lock);
779
780 return ret;
6ab2b7b4
DP		 781}
782
c9f8dd71 783static int wm_coeff_read_control(struct wm_coeff_ctl *ctl,
6ab2b7b4
DP		 784 void *buf, size_t len)
785{
3809f001 786 struct wm_adsp_alg_region *alg_region = &ctl->alg_region;
6ab2b7b4 787 const struct wm_adsp_region *mem;
3809f001 788 struct wm_adsp *dsp = ctl->dsp;
6ab2b7b4
DP		 789 void *scratch;
790 int ret;
791 unsigned int reg;
792
3809f001 793 mem = wm_adsp_find_region(dsp, alg_region->type);
6ab2b7b4 794 if (!mem) {
3809f001
CK		 795 adsp_err(dsp, "No base for region %x\n",
796 alg_region->type);
6ab2b7b4
DP		 797 return -EINVAL;
798 }
799
2323736d 800 reg = ctl->alg_region.base + ctl->offset;
6ab2b7b4
DP		 801 reg = wm_adsp_region_to_reg(mem, reg);
802
4f8ea6d7 803 scratch = kmalloc(len, GFP_KERNEL | GFP_DMA);
6ab2b7b4
DP		 804 if (!scratch)
805 return -ENOMEM;
806
4f8ea6d7 807 ret = regmap_raw_read(dsp->regmap, reg, scratch, len);
6ab2b7b4 808 if (ret) {
3809f001 809 adsp_err(dsp, "Failed to read %zu bytes from %x: %d\n",
5602a643 810 len, reg, ret);
6ab2b7b4
DP		 811 kfree(scratch);
812 return ret;
813 }
4f8ea6d7 814 adsp_dbg(dsp, "Read %zu bytes from %x\n", len, reg);
6ab2b7b4 815
4f8ea6d7 816 memcpy(buf, scratch, len);
6ab2b7b4
DP		 817 kfree(scratch);
818
819 return 0;
820}
821
7585a5b0 822static int wm_coeff_get(struct snd_kcontrol *kctl,
6ab2b7b4
DP		 823 struct snd_ctl_elem_value *ucontrol)
824{
7585a5b0 825 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
6ab2b7b4 826 char *p = ucontrol->value.bytes.data;
168d10e7
CK		 827 int ret = 0;
828
829 mutex_lock(&ctl->dsp->pwr_lock);
6ab2b7b4 830
26c22a19
CK		 831 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
832 if (ctl->enabled)
168d10e7 833 ret = wm_coeff_read_control(ctl, p, ctl->len);
26c22a19 834 else
168d10e7
CK		 835 ret = -EPERM;
836 } else {
bc1765d6
CK		 837 if (!ctl->flags && ctl->enabled)
838 ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len);
839
168d10e7 840 memcpy(p, ctl->cache, ctl->len);
26c22a19
CK		 841 }
842
168d10e7 843 mutex_unlock(&ctl->dsp->pwr_lock);
26c22a19 844
168d10e7 845 return ret;
6ab2b7b4
DP		 846}
847
6ab2b7b4 848struct wmfw_ctl_work {
3809f001 849 struct wm_adsp *dsp;
6ab2b7b4
DP		 850 struct wm_coeff_ctl *ctl;
851 struct work_struct work;
852};
853
3809f001 854static int wmfw_add_ctl(struct wm_adsp *dsp, struct wm_coeff_ctl *ctl)
6ab2b7b4
DP		 855{
856 struct snd_kcontrol_new *kcontrol;
857 int ret;
858
92bb4c32 859 if (!ctl || !ctl->name)
6ab2b7b4
DP		 860 return -EINVAL;
861
862 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
863 if (!kcontrol)
864 return -ENOMEM;
865 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
866
867 kcontrol->name = ctl->name;
868 kcontrol->info = wm_coeff_info;
869 kcontrol->get = wm_coeff_get;
870 kcontrol->put = wm_coeff_put;
871 kcontrol->private_value = (unsigned long)ctl;
872
26c22a19
CK		 873 if (ctl->flags) {
874 if (ctl->flags & WMFW_CTL_FLAG_WRITEABLE)
875 kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
876 if (ctl->flags & WMFW_CTL_FLAG_READABLE)
877 kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_READ;
878 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
879 kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_VOLATILE;
cc815c4b
CK		 880 } else {
881 kcontrol->access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
882 kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_VOLATILE;
26c22a19
CK		 883 }
884
7d00cd97 885 ret = snd_soc_add_card_controls(dsp->card, kcontrol, 1);
6ab2b7b4
DP		 886 if (ret < 0)
887 goto err_kcontrol;
888
889 kfree(kcontrol);
890
7d00cd97 891 ctl->kcontrol = snd_soc_card_get_kcontrol(dsp->card, ctl->name);
81ad93ec 892
6ab2b7b4
DP		 893 return 0;
894
895err_kcontrol:
896 kfree(kcontrol);
897 return ret;
898}
899
b21acc1c
CK		 900static int wm_coeff_init_control_caches(struct wm_adsp *dsp)
901{
902 struct wm_coeff_ctl *ctl;
903 int ret;
904
905 list_for_each_entry(ctl, &dsp->ctl_list, list) {
906 if (!ctl->enabled || ctl->set)
907 continue;
26c22a19
CK		 908 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
909 continue;
910
7d00cd97 911 ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len);
b21acc1c
CK		 912 if (ret < 0)
913 return ret;
914 }
915
916 return 0;
917}
918
919static int wm_coeff_sync_controls(struct wm_adsp *dsp)
920{
921 struct wm_coeff_ctl *ctl;
922 int ret;
923
924 list_for_each_entry(ctl, &dsp->ctl_list, list) {
925 if (!ctl->enabled)
926 continue;
26c22a19 927 if (ctl->set && !(ctl->flags & WMFW_CTL_FLAG_VOLATILE)) {
7d00cd97 928 ret = wm_coeff_write_control(ctl, ctl->cache, ctl->len);
b21acc1c
CK		 929 if (ret < 0)
930 return ret;
931 }
932 }
933
934 return 0;
935}
936
937static void wm_adsp_ctl_work(struct work_struct *work)
938{
939 struct wmfw_ctl_work *ctl_work = container_of(work,
940 struct wmfw_ctl_work,
941 work);
942
943 wmfw_add_ctl(ctl_work->dsp, ctl_work->ctl);
944 kfree(ctl_work);
945}
946
947static int wm_adsp_create_control(struct wm_adsp *dsp,
948 const struct wm_adsp_alg_region *alg_region,
2323736d 949 unsigned int offset, unsigned int len,
26c22a19
CK		 950 const char *subname, unsigned int subname_len,
951 unsigned int flags)
b21acc1c
CK		 952{
953 struct wm_coeff_ctl *ctl;
954 struct wmfw_ctl_work *ctl_work;
955 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
956 char *region_name;
957 int ret;
958
26c22a19
CK		 959 if (flags & WMFW_CTL_FLAG_SYS)
960 return 0;
961
b21acc1c
CK		 962 switch (alg_region->type) {
963 case WMFW_ADSP1_PM:
964 region_name = "PM";
965 break;
966 case WMFW_ADSP1_DM:
967 region_name = "DM";
968 break;
969 case WMFW_ADSP2_XM:
970 region_name = "XM";
971 break;
972 case WMFW_ADSP2_YM:
973 region_name = "YM";
974 break;
975 case WMFW_ADSP1_ZM:
976 region_name = "ZM";
977 break;
978 default:
2323736d 979 adsp_err(dsp, "Unknown region type: %d\n", alg_region->type);
b21acc1c
CK		 980 return -EINVAL;
981 }
982
cb5b57a9
CK		 983 switch (dsp->fw_ver) {
984 case 0:
985 case 1:
986 snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "DSP%d %s %x",
987 dsp->num, region_name, alg_region->alg);
988 break;
989 default:
990 ret = snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
991 "DSP%d%c %.12s %x", dsp->num, *region_name,
992 wm_adsp_fw_text[dsp->fw], alg_region->alg);
993
994 /* Truncate the subname from the start if it is too long */
995 if (subname) {
996 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2;
997 int skip = 0;
998
999 if (subname_len > avail)
1000 skip = subname_len - avail;
1001
1002 snprintf(name + ret,
1003 SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, " %.*s",
1004 subname_len - skip, subname + skip);
1005 }
1006 break;
1007 }
b21acc1c 1008
7585a5b0 1009 list_for_each_entry(ctl, &dsp->ctl_list, list) {
b21acc1c
CK		 1010 if (!strcmp(ctl->name, name)) {
1011 if (!ctl->enabled)
1012 ctl->enabled = 1;
1013 return 0;
1014 }
1015 }
1016
1017 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
1018 if (!ctl)
1019 return -ENOMEM;
2323736d 1020 ctl->fw_name = wm_adsp_fw_text[dsp->fw];
b21acc1c
CK		 1021 ctl->alg_region = *alg_region;
1022 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
1023 if (!ctl->name) {
1024 ret = -ENOMEM;
1025 goto err_ctl;
1026 }
1027 ctl->enabled = 1;
1028 ctl->set = 0;
1029 ctl->ops.xget = wm_coeff_get;
1030 ctl->ops.xput = wm_coeff_put;
1031 ctl->dsp = dsp;
1032
26c22a19 1033 ctl->flags = flags;
2323736d 1034 ctl->offset = offset;
b21acc1c
CK		 1035 if (len > 512) {
1036 adsp_warn(dsp, "Truncating control %s from %d\n",
1037 ctl->name, len);
1038 len = 512;
1039 }
1040 ctl->len = len;
1041 ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
1042 if (!ctl->cache) {
1043 ret = -ENOMEM;
1044 goto err_ctl_name;
1045 }
1046
2323736d
CK		 1047 list_add(&ctl->list, &dsp->ctl_list);
1048
b21acc1c
CK		 1049 ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
1050 if (!ctl_work) {
1051 ret = -ENOMEM;
1052 goto err_ctl_cache;
1053 }
1054
1055 ctl_work->dsp = dsp;
1056 ctl_work->ctl = ctl;
1057 INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
1058 schedule_work(&ctl_work->work);
1059
1060 return 0;
1061
1062err_ctl_cache:
1063 kfree(ctl->cache);
1064err_ctl_name:
1065 kfree(ctl->name);
1066err_ctl:
1067 kfree(ctl);
1068
1069 return ret;
1070}
1071
2323736d
CK		 1072struct wm_coeff_parsed_alg {
1073 int id;
1074 const u8 *name;
1075 int name_len;
1076 int ncoeff;
1077};
1078
1079struct wm_coeff_parsed_coeff {
1080 int offset;
1081 int mem_type;
1082 const u8 *name;
1083 int name_len;
1084 int ctl_type;
1085 int flags;
1086 int len;
1087};
1088
cb5b57a9
CK		 1089static int wm_coeff_parse_string(int bytes, const u8 **pos, const u8 **str)
1090{
1091 int length;
1092
1093 switch (bytes) {
1094 case 1:
1095 length = **pos;
1096 break;
1097 case 2:
8299ee81 1098 length = le16_to_cpu(*((__le16 *)*pos));
cb5b57a9
CK		 1099 break;
1100 default:
1101 return 0;
1102 }
1103
1104 if (str)
1105 *str = *pos + bytes;
1106
1107 *pos += ((length + bytes) + 3) & ~0x03;
1108
1109 return length;
1110}
1111
1112static int wm_coeff_parse_int(int bytes, const u8 **pos)
1113{
1114 int val = 0;
1115
1116 switch (bytes) {
1117 case 2:
8299ee81 1118 val = le16_to_cpu(*((__le16 *)*pos));
cb5b57a9
CK		 1119 break;
1120 case 4:
8299ee81 1121 val = le32_to_cpu(*((__le32 *)*pos));
cb5b57a9
CK		 1122 break;
1123 default:
1124 break;
1125 }
1126
1127 *pos += bytes;
1128
1129 return val;
1130}
1131
2323736d
CK		 1132static inline void wm_coeff_parse_alg(struct wm_adsp *dsp, const u8 **data,
1133 struct wm_coeff_parsed_alg *blk)
1134{
1135 const struct wmfw_adsp_alg_data *raw;
1136
cb5b57a9
CK		 1137 switch (dsp->fw_ver) {
1138 case 0:
1139 case 1:
1140 raw = (const struct wmfw_adsp_alg_data *)*data;
1141 *data = raw->data;
2323736d 1142
cb5b57a9
CK		 1143 blk->id = le32_to_cpu(raw->id);
1144 blk->name = raw->name;
1145 blk->name_len = strlen(raw->name);
1146 blk->ncoeff = le32_to_cpu(raw->ncoeff);
1147 break;
1148 default:
1149 blk->id = wm_coeff_parse_int(sizeof(raw->id), data);
1150 blk->name_len = wm_coeff_parse_string(sizeof(u8), data,
1151 &blk->name);
1152 wm_coeff_parse_string(sizeof(u16), data, NULL);
1153 blk->ncoeff = wm_coeff_parse_int(sizeof(raw->ncoeff), data);
1154 break;
1155 }
2323736d
CK		 1156
1157 adsp_dbg(dsp, "Algorithm ID: %#x\n", blk->id);
1158 adsp_dbg(dsp, "Algorithm name: %.*s\n", blk->name_len, blk->name);
1159 adsp_dbg(dsp, "# of coefficient descriptors: %#x\n", blk->ncoeff);
1160}
1161
1162static inline void wm_coeff_parse_coeff(struct wm_adsp *dsp, const u8 **data,
1163 struct wm_coeff_parsed_coeff *blk)
1164{
1165 const struct wmfw_adsp_coeff_data *raw;
cb5b57a9
CK		 1166 const u8 *tmp;
1167 int length;
2323736d 1168
cb5b57a9
CK		 1169 switch (dsp->fw_ver) {
1170 case 0:
1171 case 1:
1172 raw = (const struct wmfw_adsp_coeff_data *)*data;
1173 *data = *data + sizeof(raw->hdr) + le32_to_cpu(raw->hdr.size);
1174
1175 blk->offset = le16_to_cpu(raw->hdr.offset);
1176 blk->mem_type = le16_to_cpu(raw->hdr.type);
1177 blk->name = raw->name;
1178 blk->name_len = strlen(raw->name);
1179 blk->ctl_type = le16_to_cpu(raw->ctl_type);
1180 blk->flags = le16_to_cpu(raw->flags);
1181 blk->len = le32_to_cpu(raw->len);
1182 break;
1183 default:
1184 tmp = *data;
1185 blk->offset = wm_coeff_parse_int(sizeof(raw->hdr.offset), &tmp);
1186 blk->mem_type = wm_coeff_parse_int(sizeof(raw->hdr.type), &tmp);
1187 length = wm_coeff_parse_int(sizeof(raw->hdr.size), &tmp);
1188 blk->name_len = wm_coeff_parse_string(sizeof(u8), &tmp,
1189 &blk->name);
1190 wm_coeff_parse_string(sizeof(u8), &tmp, NULL);
1191 wm_coeff_parse_string(sizeof(u16), &tmp, NULL);
1192 blk->ctl_type = wm_coeff_parse_int(sizeof(raw->ctl_type), &tmp);
1193 blk->flags = wm_coeff_parse_int(sizeof(raw->flags), &tmp);
1194 blk->len = wm_coeff_parse_int(sizeof(raw->len), &tmp);
1195
1196 *data = *data + sizeof(raw->hdr) + length;
1197 break;
1198 }
2323736d
CK		 1199
1200 adsp_dbg(dsp, "\tCoefficient type: %#x\n", blk->mem_type);
1201 adsp_dbg(dsp, "\tCoefficient offset: %#x\n", blk->offset);
1202 adsp_dbg(dsp, "\tCoefficient name: %.*s\n", blk->name_len, blk->name);
1203 adsp_dbg(dsp, "\tCoefficient flags: %#x\n", blk->flags);
1204 adsp_dbg(dsp, "\tALSA control type: %#x\n", blk->ctl_type);
1205 adsp_dbg(dsp, "\tALSA control len: %#x\n", blk->len);
1206}
1207
1208static int wm_adsp_parse_coeff(struct wm_adsp *dsp,
1209 const struct wmfw_region *region)
1210{
1211 struct wm_adsp_alg_region alg_region = {};
1212 struct wm_coeff_parsed_alg alg_blk;
1213 struct wm_coeff_parsed_coeff coeff_blk;
1214 const u8 *data = region->data;
1215 int i, ret;
1216
1217 wm_coeff_parse_alg(dsp, &data, &alg_blk);
1218 for (i = 0; i < alg_blk.ncoeff; i++) {
1219 wm_coeff_parse_coeff(dsp, &data, &coeff_blk);
1220
1221 switch (coeff_blk.ctl_type) {
1222 case SNDRV_CTL_ELEM_TYPE_BYTES:
1223 break;
1224 default:
1225 adsp_err(dsp, "Unknown control type: %d\n",
1226 coeff_blk.ctl_type);
1227 return -EINVAL;
1228 }
1229
1230 alg_region.type = coeff_blk.mem_type;
1231 alg_region.alg = alg_blk.id;
1232
1233 ret = wm_adsp_create_control(dsp, &alg_region,
1234 coeff_blk.offset,
1235 coeff_blk.len,
1236 coeff_blk.name,
26c22a19
CK		 1237 coeff_blk.name_len,
1238 coeff_blk.flags);
2323736d
CK		 1239 if (ret < 0)
1240 adsp_err(dsp, "Failed to create control: %.*s, %d\n",
1241 coeff_blk.name_len, coeff_blk.name, ret);
1242 }
1243
1244 return 0;
1245}
1246
2159ad93
MB		 1247static int wm_adsp_load(struct wm_adsp *dsp)
1248{
cf17c83c 1249 LIST_HEAD(buf_list);
2159ad93
MB		 1250 const struct firmware *firmware;
1251 struct regmap *regmap = dsp->regmap;
1252 unsigned int pos = 0;
1253 const struct wmfw_header *header;
1254 const struct wmfw_adsp1_sizes *adsp1_sizes;
1255 const struct wmfw_adsp2_sizes *adsp2_sizes;
1256 const struct wmfw_footer *footer;
1257 const struct wmfw_region *region;
1258 const struct wm_adsp_region *mem;
1259 const char *region_name;
1260 char *file, *text;
cf17c83c 1261 struct wm_adsp_buf *buf;
2159ad93
MB		 1262 unsigned int reg;
1263 int regions = 0;
1264 int ret, offset, type, sizes;
1265
1266 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1267 if (file == NULL)
1268 return -ENOMEM;
1269
1023dbd9
MB		 1270 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num,
1271 wm_adsp_fw[dsp->fw].file);
2159ad93
MB		 1272 file[PAGE_SIZE - 1] = '\0';
1273
1274 ret = request_firmware(&firmware, file, dsp->dev);
1275 if (ret != 0) {
1276 adsp_err(dsp, "Failed to request '%s'\n", file);
1277 goto out;
1278 }
1279 ret = -EINVAL;
1280
1281 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
1282 if (pos >= firmware->size) {
1283 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1284 file, firmware->size);
1285 goto out_fw;
1286 }
1287
7585a5b0 1288 header = (void *)&firmware->data[0];
2159ad93
MB		 1289
1290 if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
1291 adsp_err(dsp, "%s: invalid magic\n", file);
1292 goto out_fw;
1293 }
1294
2323736d
CK		 1295 switch (header->ver) {
1296 case 0:
c61e59fe
CK		 1297 adsp_warn(dsp, "%s: Depreciated file format %d\n",
1298 file, header->ver);
1299 break;
2323736d 1300 case 1:
cb5b57a9 1301 case 2:
2323736d
CK		 1302 break;
1303 default:
2159ad93
MB		 1304 adsp_err(dsp, "%s: unknown file format %d\n",
1305 file, header->ver);
1306 goto out_fw;
1307 }
2323736d 1308
3626992a 1309 adsp_info(dsp, "Firmware version: %d\n", header->ver);
2323736d 1310 dsp->fw_ver = header->ver;
2159ad93
MB		 1311
1312 if (header->core != dsp->type) {
1313 adsp_err(dsp, "%s: invalid core %d != %d\n",
1314 file, header->core, dsp->type);
1315 goto out_fw;
1316 }
1317
1318 switch (dsp->type) {
1319 case WMFW_ADSP1:
1320 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
1321 adsp1_sizes = (void *)&(header[1]);
1322 footer = (void *)&(adsp1_sizes[1]);
1323 sizes = sizeof(*adsp1_sizes);
1324
1325 adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n",
1326 file, le32_to_cpu(adsp1_sizes->dm),
1327 le32_to_cpu(adsp1_sizes->pm),
1328 le32_to_cpu(adsp1_sizes->zm));
1329 break;
1330
1331 case WMFW_ADSP2:
1332 pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer);
1333 adsp2_sizes = (void *)&(header[1]);
1334 footer = (void *)&(adsp2_sizes[1]);
1335 sizes = sizeof(*adsp2_sizes);
1336
1337 adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n",
1338 file, le32_to_cpu(adsp2_sizes->xm),
1339 le32_to_cpu(adsp2_sizes->ym),
1340 le32_to_cpu(adsp2_sizes->pm),
1341 le32_to_cpu(adsp2_sizes->zm));
1342 break;
1343
1344 default:
6c452bda 1345 WARN(1, "Unknown DSP type");
2159ad93
MB		 1346 goto out_fw;
1347 }
1348
1349 if (le32_to_cpu(header->len) != sizeof(*header) +
1350 sizes + sizeof(*footer)) {
1351 adsp_err(dsp, "%s: unexpected header length %d\n",
1352 file, le32_to_cpu(header->len));
1353 goto out_fw;
1354 }
1355
1356 adsp_dbg(dsp, "%s: timestamp %llu\n", file,
1357 le64_to_cpu(footer->timestamp));
1358
1359 while (pos < firmware->size &&
1360 pos - firmware->size > sizeof(*region)) {
1361 region = (void *)&(firmware->data[pos]);
1362 region_name = "Unknown";
1363 reg = 0;
1364 text = NULL;
1365 offset = le32_to_cpu(region->offset) & 0xffffff;
1366 type = be32_to_cpu(region->type) & 0xff;
1367 mem = wm_adsp_find_region(dsp, type);
7585a5b0 1368
2159ad93
MB		 1369 switch (type) {
1370 case WMFW_NAME_TEXT:
1371 region_name = "Firmware name";
1372 text = kzalloc(le32_to_cpu(region->len) + 1,
1373 GFP_KERNEL);
1374 break;
2323736d
CK		 1375 case WMFW_ALGORITHM_DATA:
1376 region_name = "Algorithm";
1377 ret = wm_adsp_parse_coeff(dsp, region);
1378 if (ret != 0)
1379 goto out_fw;
1380 break;
2159ad93
MB		 1381 case WMFW_INFO_TEXT:
1382 region_name = "Information";
1383 text = kzalloc(le32_to_cpu(region->len) + 1,
1384 GFP_KERNEL);
1385 break;
1386 case WMFW_ABSOLUTE:
1387 region_name = "Absolute";
1388 reg = offset;
1389 break;
1390 case WMFW_ADSP1_PM:
2159ad93 1391 region_name = "PM";
45b9ee72 1392 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 1393 break;
1394 case WMFW_ADSP1_DM:
2159ad93 1395 region_name = "DM";
45b9ee72 1396 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 1397 break;
1398 case WMFW_ADSP2_XM:
2159ad93 1399 region_name = "XM";
45b9ee72 1400 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 1401 break;
1402 case WMFW_ADSP2_YM:
2159ad93 1403 region_name = "YM";
45b9ee72 1404 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 1405 break;
1406 case WMFW_ADSP1_ZM:
2159ad93 1407 region_name = "ZM";
45b9ee72 1408 reg = wm_adsp_region_to_reg(mem, offset);
2159ad93
MB		 1409 break;
1410 default:
1411 adsp_warn(dsp,
1412 "%s.%d: Unknown region type %x at %d(%x)\n",
1413 file, regions, type, pos, pos);
1414 break;
1415 }
1416
1417 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
1418 regions, le32_to_cpu(region->len), offset,
1419 region_name);
1420
1421 if (text) {
1422 memcpy(text, region->data, le32_to_cpu(region->len));
1423 adsp_info(dsp, "%s: %s\n", file, text);
1424 kfree(text);
1425 }
1426
1427 if (reg) {
cdcd7f72
CK		 1428 buf = wm_adsp_buf_alloc(region->data,
1429 le32_to_cpu(region->len),
1430 &buf_list);
1431 if (!buf) {
1432 adsp_err(dsp, "Out of memory\n");
1433 ret = -ENOMEM;
1434 goto out_fw;
1435 }
c1a7898d 1436
cdcd7f72
CK		 1437 ret = regmap_raw_write_async(regmap, reg, buf->buf,
1438 le32_to_cpu(region->len));
1439 if (ret != 0) {
1440 adsp_err(dsp,
1441 "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
1442 file, regions,
1443 le32_to_cpu(region->len), offset,
1444 region_name, ret);
1445 goto out_fw;
2159ad93
MB		 1446 }
1447 }
1448
1449 pos += le32_to_cpu(region->len) + sizeof(*region);
1450 regions++;
1451 }
cf17c83c
MB		 1452
1453 ret = regmap_async_complete(regmap);
1454 if (ret != 0) {
1455 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1456 goto out_fw;
1457 }
1458
2159ad93
MB		 1459 if (pos > firmware->size)
1460 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1461 file, regions, pos - firmware->size);
1462
f9f55e31
RF		 1463 wm_adsp_debugfs_save_wmfwname(dsp, file);
1464
2159ad93 1465out_fw:
cf17c83c
MB		 1466 regmap_async_complete(regmap);
1467 wm_adsp_buf_free(&buf_list);
2159ad93
MB		 1468 release_firmware(firmware);
1469out:
1470 kfree(file);
1471
1472 return ret;
1473}
1474
2323736d
CK		 1475static void wm_adsp_ctl_fixup_base(struct wm_adsp *dsp,
1476 const struct wm_adsp_alg_region *alg_region)
1477{
1478 struct wm_coeff_ctl *ctl;
1479
1480 list_for_each_entry(ctl, &dsp->ctl_list, list) {
1481 if (ctl->fw_name == wm_adsp_fw_text[dsp->fw] &&
1482 alg_region->alg == ctl->alg_region.alg &&
1483 alg_region->type == ctl->alg_region.type) {
1484 ctl->alg_region.base = alg_region->base;
1485 }
1486 }
1487}
1488
3809f001 1489static void *wm_adsp_read_algs(struct wm_adsp *dsp, size_t n_algs,
b618a185 1490 unsigned int pos, unsigned int len)
db40517c 1491{
b618a185
CK		 1492 void *alg;
1493 int ret;
db40517c 1494 __be32 val;
db40517c 1495
3809f001 1496 if (n_algs == 0) {
b618a185
CK		 1497 adsp_err(dsp, "No algorithms\n");
1498 return ERR_PTR(-EINVAL);
db40517c
MB		 1499 }
1500
3809f001
CK		 1501 if (n_algs > 1024) {
1502 adsp_err(dsp, "Algorithm count %zx excessive\n", n_algs);
b618a185
CK		 1503 return ERR_PTR(-EINVAL);
1504 }
db40517c 1505
b618a185
CK		 1506 /* Read the terminator first to validate the length */
1507 ret = regmap_raw_read(dsp->regmap, pos + len, &val, sizeof(val));
1508 if (ret != 0) {
1509 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
1510 ret);
1511 return ERR_PTR(ret);
1512 }
db40517c 1513
b618a185
CK		 1514 if (be32_to_cpu(val) != 0xbedead)
1515 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
1516 pos + len, be32_to_cpu(val));
d62f4bc6 1517
b618a185
CK		 1518 alg = kzalloc(len * 2, GFP_KERNEL | GFP_DMA);
1519 if (!alg)
1520 return ERR_PTR(-ENOMEM);
db40517c 1521
b618a185
CK		 1522 ret = regmap_raw_read(dsp->regmap, pos, alg, len * 2);
1523 if (ret != 0) {
7d00cd97 1524 adsp_err(dsp, "Failed to read algorithm list: %d\n", ret);
b618a185
CK		 1525 kfree(alg);
1526 return ERR_PTR(ret);
1527 }
ac50009f 1528
b618a185
CK		 1529 return alg;
1530}
ac50009f 1531
14197095
CK		 1532static struct wm_adsp_alg_region *
1533 wm_adsp_find_alg_region(struct wm_adsp *dsp, int type, unsigned int id)
1534{
1535 struct wm_adsp_alg_region *alg_region;
1536
1537 list_for_each_entry(alg_region, &dsp->alg_regions, list) {
1538 if (id == alg_region->alg && type == alg_region->type)
1539 return alg_region;
1540 }
1541
1542 return NULL;
1543}
1544
d9d20e17
CK		 1545static struct wm_adsp_alg_region *wm_adsp_create_region(struct wm_adsp *dsp,
1546 int type, __be32 id,
1547 __be32 base)
1548{
1549 struct wm_adsp_alg_region *alg_region;
1550
1551 alg_region = kzalloc(sizeof(*alg_region), GFP_KERNEL);
1552 if (!alg_region)
1553 return ERR_PTR(-ENOMEM);
1554
1555 alg_region->type = type;
1556 alg_region->alg = be32_to_cpu(id);
1557 alg_region->base = be32_to_cpu(base);
1558
1559 list_add_tail(&alg_region->list, &dsp->alg_regions);
1560
2323736d
CK		 1561 if (dsp->fw_ver > 0)
1562 wm_adsp_ctl_fixup_base(dsp, alg_region);
1563
d9d20e17
CK		 1564 return alg_region;
1565}
1566
b618a185
CK		 1567static int wm_adsp1_setup_algs(struct wm_adsp *dsp)
1568{
1569 struct wmfw_adsp1_id_hdr adsp1_id;
1570 struct wmfw_adsp1_alg_hdr *adsp1_alg;
3809f001 1571 struct wm_adsp_alg_region *alg_region;
b618a185
CK		 1572 const struct wm_adsp_region *mem;
1573 unsigned int pos, len;
3809f001 1574 size_t n_algs;
b618a185 1575 int i, ret;
db40517c 1576
b618a185
CK		 1577 mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
1578 if (WARN_ON(!mem))
1579 return -EINVAL;
1580
1581 ret = regmap_raw_read(dsp->regmap, mem->base, &adsp1_id,
1582 sizeof(adsp1_id));
1583 if (ret != 0) {
1584 adsp_err(dsp, "Failed to read algorithm info: %d\n",
1585 ret);
1586 return ret;
1587 }
db40517c 1588
3809f001 1589 n_algs = be32_to_cpu(adsp1_id.n_algs);
b618a185
CK		 1590 dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
1591 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
1592 dsp->fw_id,
1593 (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
1594 (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
1595 be32_to_cpu(adsp1_id.fw.ver) & 0xff,
3809f001 1596 n_algs);
b618a185 1597
d9d20e17
CK		 1598 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_ZM,
1599 adsp1_id.fw.id, adsp1_id.zm);
1600 if (IS_ERR(alg_region))
1601 return PTR_ERR(alg_region);
d62f4bc6 1602
d9d20e17
CK		 1603 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_DM,
1604 adsp1_id.fw.id, adsp1_id.dm);
1605 if (IS_ERR(alg_region))
1606 return PTR_ERR(alg_region);
db40517c 1607
b618a185 1608 pos = sizeof(adsp1_id) / 2;
3809f001 1609 len = (sizeof(*adsp1_alg) * n_algs) / 2;
b618a185 1610
3809f001 1611 adsp1_alg = wm_adsp_read_algs(dsp, n_algs, mem->base + pos, len);
b618a185
CK		 1612 if (IS_ERR(adsp1_alg))
1613 return PTR_ERR(adsp1_alg);
1614
3809f001 1615 for (i = 0; i < n_algs; i++) {
b618a185
CK		 1616 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
1617 i, be32_to_cpu(adsp1_alg[i].alg.id),
1618 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
1619 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
1620 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
1621 be32_to_cpu(adsp1_alg[i].dm),
1622 be32_to_cpu(adsp1_alg[i].zm));
ac50009f 1623
d9d20e17
CK		 1624 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_DM,
1625 adsp1_alg[i].alg.id,
1626 adsp1_alg[i].dm);
1627 if (IS_ERR(alg_region)) {
1628 ret = PTR_ERR(alg_region);
b618a185
CK		 1629 goto out;
1630 }
2323736d
CK		 1631 if (dsp->fw_ver == 0) {
1632 if (i + 1 < n_algs) {
1633 len = be32_to_cpu(adsp1_alg[i + 1].dm);
1634 len -= be32_to_cpu(adsp1_alg[i].dm);
1635 len *= 4;
1636 wm_adsp_create_control(dsp, alg_region, 0,
26c22a19 1637 len, NULL, 0, 0);
2323736d
CK		 1638 } else {
1639 adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
1640 be32_to_cpu(adsp1_alg[i].alg.id));
1641 }
b618a185 1642 }
ac50009f 1643
d9d20e17
CK		 1644 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_ZM,
1645 adsp1_alg[i].alg.id,
1646 adsp1_alg[i].zm);
1647 if (IS_ERR(alg_region)) {
1648 ret = PTR_ERR(alg_region);
b618a185
CK		 1649 goto out;
1650 }
2323736d
CK		 1651 if (dsp->fw_ver == 0) {
1652 if (i + 1 < n_algs) {
1653 len = be32_to_cpu(adsp1_alg[i + 1].zm);
1654 len -= be32_to_cpu(adsp1_alg[i].zm);
1655 len *= 4;
1656 wm_adsp_create_control(dsp, alg_region, 0,
26c22a19 1657 len, NULL, 0, 0);
2323736d
CK		 1658 } else {
1659 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1660 be32_to_cpu(adsp1_alg[i].alg.id));
1661 }
b618a185 1662 }
db40517c
MB		 1663 }
1664
b618a185
CK		 1665out:
1666 kfree(adsp1_alg);
1667 return ret;
1668}
db40517c 1669
b618a185
CK		 1670static int wm_adsp2_setup_algs(struct wm_adsp *dsp)
1671{
1672 struct wmfw_adsp2_id_hdr adsp2_id;
1673 struct wmfw_adsp2_alg_hdr *adsp2_alg;
3809f001 1674 struct wm_adsp_alg_region *alg_region;
b618a185
CK		 1675 const struct wm_adsp_region *mem;
1676 unsigned int pos, len;
3809f001 1677 size_t n_algs;
b618a185
CK		 1678 int i, ret;
1679
1680 mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
1681 if (WARN_ON(!mem))
d62f4bc6 1682 return -EINVAL;
d62f4bc6 1683
b618a185
CK		 1684 ret = regmap_raw_read(dsp->regmap, mem->base, &adsp2_id,
1685 sizeof(adsp2_id));
db40517c 1686 if (ret != 0) {
b618a185
CK		 1687 adsp_err(dsp, "Failed to read algorithm info: %d\n",
1688 ret);
db40517c
MB		 1689 return ret;
1690 }
1691
3809f001 1692 n_algs = be32_to_cpu(adsp2_id.n_algs);
b618a185 1693 dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
f9f55e31 1694 dsp->fw_id_version = be32_to_cpu(adsp2_id.fw.ver);
b618a185
CK		 1695 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
1696 dsp->fw_id,
f9f55e31
RF		 1697 (dsp->fw_id_version & 0xff0000) >> 16,
1698 (dsp->fw_id_version & 0xff00) >> 8,
1699 dsp->fw_id_version & 0xff,
3809f001 1700 n_algs);
b618a185 1701
d9d20e17
CK		 1702 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_XM,
1703 adsp2_id.fw.id, adsp2_id.xm);
1704 if (IS_ERR(alg_region))
1705 return PTR_ERR(alg_region);
db40517c 1706
d9d20e17
CK		 1707 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_YM,
1708 adsp2_id.fw.id, adsp2_id.ym);
1709 if (IS_ERR(alg_region))
1710 return PTR_ERR(alg_region);
db40517c 1711
d9d20e17
CK		 1712 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_ZM,
1713 adsp2_id.fw.id, adsp2_id.zm);
1714 if (IS_ERR(alg_region))
1715 return PTR_ERR(alg_region);
db40517c 1716
b618a185 1717 pos = sizeof(adsp2_id) / 2;
3809f001 1718 len = (sizeof(*adsp2_alg) * n_algs) / 2;
db40517c 1719
3809f001 1720 adsp2_alg = wm_adsp_read_algs(dsp, n_algs, mem->base + pos, len);
b618a185
CK		 1721 if (IS_ERR(adsp2_alg))
1722 return PTR_ERR(adsp2_alg);
471f4885 1723
3809f001 1724 for (i = 0; i < n_algs; i++) {
b618a185
CK		 1725 adsp_info(dsp,
1726 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
1727 i, be32_to_cpu(adsp2_alg[i].alg.id),
1728 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
1729 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
1730 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
1731 be32_to_cpu(adsp2_alg[i].xm),
1732 be32_to_cpu(adsp2_alg[i].ym),
1733 be32_to_cpu(adsp2_alg[i].zm));
db40517c 1734
d9d20e17
CK		 1735 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_XM,
1736 adsp2_alg[i].alg.id,
1737 adsp2_alg[i].xm);
1738 if (IS_ERR(alg_region)) {
1739 ret = PTR_ERR(alg_region);
b618a185
CK		 1740 goto out;
1741 }
2323736d
CK		 1742 if (dsp->fw_ver == 0) {
1743 if (i + 1 < n_algs) {
1744 len = be32_to_cpu(adsp2_alg[i + 1].xm);
1745 len -= be32_to_cpu(adsp2_alg[i].xm);
1746 len *= 4;
1747 wm_adsp_create_control(dsp, alg_region, 0,
26c22a19 1748 len, NULL, 0, 0);
2323736d
CK		 1749 } else {
1750 adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
1751 be32_to_cpu(adsp2_alg[i].alg.id));
1752 }
b618a185 1753 }
471f4885 1754
d9d20e17
CK		 1755 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_YM,
1756 adsp2_alg[i].alg.id,
1757 adsp2_alg[i].ym);
1758 if (IS_ERR(alg_region)) {
1759 ret = PTR_ERR(alg_region);
b618a185
CK		 1760 goto out;
1761 }
2323736d
CK		 1762 if (dsp->fw_ver == 0) {
1763 if (i + 1 < n_algs) {
1764 len = be32_to_cpu(adsp2_alg[i + 1].ym);
1765 len -= be32_to_cpu(adsp2_alg[i].ym);
1766 len *= 4;
1767 wm_adsp_create_control(dsp, alg_region, 0,
26c22a19 1768 len, NULL, 0, 0);
2323736d
CK		 1769 } else {
1770 adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
1771 be32_to_cpu(adsp2_alg[i].alg.id));
1772 }
b618a185 1773 }
471f4885 1774
d9d20e17
CK		 1775 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_ZM,
1776 adsp2_alg[i].alg.id,
1777 adsp2_alg[i].zm);
1778 if (IS_ERR(alg_region)) {
1779 ret = PTR_ERR(alg_region);
b618a185
CK		 1780 goto out;
1781 }
2323736d
CK		 1782 if (dsp->fw_ver == 0) {
1783 if (i + 1 < n_algs) {
1784 len = be32_to_cpu(adsp2_alg[i + 1].zm);
1785 len -= be32_to_cpu(adsp2_alg[i].zm);
1786 len *= 4;
1787 wm_adsp_create_control(dsp, alg_region, 0,
26c22a19 1788 len, NULL, 0, 0);
2323736d
CK		 1789 } else {
1790 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1791 be32_to_cpu(adsp2_alg[i].alg.id));
1792 }
db40517c
MB		 1793 }
1794 }
1795
1796out:
b618a185 1797 kfree(adsp2_alg);
db40517c
MB		 1798 return ret;
1799}
1800
2159ad93
MB		 1801static int wm_adsp_load_coeff(struct wm_adsp *dsp)
1802{
cf17c83c 1803 LIST_HEAD(buf_list);
2159ad93
MB		 1804 struct regmap *regmap = dsp->regmap;
1805 struct wmfw_coeff_hdr *hdr;
1806 struct wmfw_coeff_item *blk;
1807 const struct firmware *firmware;
471f4885
MB		 1808 const struct wm_adsp_region *mem;
1809 struct wm_adsp_alg_region *alg_region;
2159ad93
MB		 1810 const char *region_name;
1811 int ret, pos, blocks, type, offset, reg;
1812 char *file;
cf17c83c 1813 struct wm_adsp_buf *buf;
2159ad93
MB		 1814
1815 file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1816 if (file == NULL)
1817 return -ENOMEM;
1818
1023dbd9
MB		 1819 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
1820 wm_adsp_fw[dsp->fw].file);
2159ad93
MB		 1821 file[PAGE_SIZE - 1] = '\0';
1822
1823 ret = request_firmware(&firmware, file, dsp->dev);
1824 if (ret != 0) {
1825 adsp_warn(dsp, "Failed to request '%s'\n", file);
1826 ret = 0;
1827 goto out;
1828 }
1829 ret = -EINVAL;
1830
1831 if (sizeof(*hdr) >= firmware->size) {
1832 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1833 file, firmware->size);
1834 goto out_fw;
1835 }
1836
7585a5b0 1837 hdr = (void *)&firmware->data[0];
2159ad93
MB		 1838 if (memcmp(hdr->magic, "WMDR", 4) != 0) {
1839 adsp_err(dsp, "%s: invalid magic\n", file);
a4cdbec7 1840 goto out_fw;
2159ad93
MB		 1841 }
1842
c712326d
MB		 1843 switch (be32_to_cpu(hdr->rev) & 0xff) {
1844 case 1:
1845 break;
1846 default:
1847 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
1848 file, be32_to_cpu(hdr->rev) & 0xff);
1849 ret = -EINVAL;
1850 goto out_fw;
1851 }
1852
2159ad93
MB		 1853 adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
1854 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
1855 (le32_to_cpu(hdr->ver) >> 8) & 0xff,
1856 le32_to_cpu(hdr->ver) & 0xff);
1857
1858 pos = le32_to_cpu(hdr->len);
1859
1860 blocks = 0;
1861 while (pos < firmware->size &&
1862 pos - firmware->size > sizeof(*blk)) {
7585a5b0 1863 blk = (void *)(&firmware->data[pos]);
2159ad93 1864
c712326d
MB		 1865 type = le16_to_cpu(blk->type);
1866 offset = le16_to_cpu(blk->offset);
2159ad93
MB		 1867
1868 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
1869 file, blocks, le32_to_cpu(blk->id),
1870 (le32_to_cpu(blk->ver) >> 16) & 0xff,
1871 (le32_to_cpu(blk->ver) >> 8) & 0xff,
1872 le32_to_cpu(blk->ver) & 0xff);
1873 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
1874 file, blocks, le32_to_cpu(blk->len), offset, type);
1875
1876 reg = 0;
1877 region_name = "Unknown";
1878 switch (type) {
c712326d
MB		 1879 case (WMFW_NAME_TEXT << 8):
1880 case (WMFW_INFO_TEXT << 8):
2159ad93 1881 break;
c712326d 1882 case (WMFW_ABSOLUTE << 8):
f395a218
MB		 1883 /*
1884 * Old files may use this for global
1885 * coefficients.
1886 */
1887 if (le32_to_cpu(blk->id) == dsp->fw_id &&
1888 offset == 0) {
1889 region_name = "global coefficients";
1890 mem = wm_adsp_find_region(dsp, type);
1891 if (!mem) {
1892 adsp_err(dsp, "No ZM\n");
1893 break;
1894 }
1895 reg = wm_adsp_region_to_reg(mem, 0);
1896
1897 } else {
1898 region_name = "register";
1899 reg = offset;
1900 }
2159ad93 1901 break;
471f4885
MB		 1902
1903 case WMFW_ADSP1_DM:
1904 case WMFW_ADSP1_ZM:
1905 case WMFW_ADSP2_XM:
1906 case WMFW_ADSP2_YM:
1907 adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
1908 file, blocks, le32_to_cpu(blk->len),
1909 type, le32_to_cpu(blk->id));
1910
1911 mem = wm_adsp_find_region(dsp, type);
1912 if (!mem) {
1913 adsp_err(dsp, "No base for region %x\n", type);
1914 break;
1915 }
1916
14197095
CK		 1917 alg_region = wm_adsp_find_alg_region(dsp, type,
1918 le32_to_cpu(blk->id));
1919 if (alg_region) {
1920 reg = alg_region->base;
1921 reg = wm_adsp_region_to_reg(mem, reg);
1922 reg += offset;
1923 } else {
471f4885
MB		 1924 adsp_err(dsp, "No %x for algorithm %x\n",
1925 type, le32_to_cpu(blk->id));
14197095 1926 }
471f4885
MB		 1927 break;
1928
2159ad93 1929 default:
25c62f7e
MB		 1930 adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
1931 file, blocks, type, pos);
2159ad93
MB		 1932 break;
1933 }
1934
1935 if (reg) {
cf17c83c
MB		 1936 buf = wm_adsp_buf_alloc(blk->data,
1937 le32_to_cpu(blk->len),
1938 &buf_list);
a76fefab
MB		 1939 if (!buf) {
1940 adsp_err(dsp, "Out of memory\n");
f4b82812
WY		 1941 ret = -ENOMEM;
1942 goto out_fw;
a76fefab
MB		 1943 }
1944
20da6d5a
MB		 1945 adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
1946 file, blocks, le32_to_cpu(blk->len),
1947 reg);
cf17c83c
MB		 1948 ret = regmap_raw_write_async(regmap, reg, buf->buf,
1949 le32_to_cpu(blk->len));
2159ad93
MB		 1950 if (ret != 0) {
1951 adsp_err(dsp,
43bc3bf6
DP		 1952 "%s.%d: Failed to write to %x in %s: %d\n",
1953 file, blocks, reg, region_name, ret);
2159ad93
MB		 1954 }
1955 }
1956
be951017 1957 pos += (le32_to_cpu(blk->len) + sizeof(*blk) + 3) & ~0x03;
2159ad93
MB		 1958 blocks++;
1959 }
1960
cf17c83c
MB		 1961 ret = regmap_async_complete(regmap);
1962 if (ret != 0)
1963 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1964
2159ad93
MB		 1965 if (pos > firmware->size)
1966 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1967 file, blocks, pos - firmware->size);
1968
f9f55e31
RF		 1969 wm_adsp_debugfs_save_binname(dsp, file);
1970
2159ad93 1971out_fw:
9da7a5a9 1972 regmap_async_complete(regmap);
2159ad93 1973 release_firmware(firmware);
cf17c83c 1974 wm_adsp_buf_free(&buf_list);
2159ad93
MB		 1975out:
1976 kfree(file);
f4b82812 1977 return ret;
2159ad93
MB		 1978}
1979
3809f001 1980int wm_adsp1_init(struct wm_adsp *dsp)
5e7a7a22 1981{
3809f001 1982 INIT_LIST_HEAD(&dsp->alg_regions);
5e7a7a22 1983
078e7183
CK		 1984 mutex_init(&dsp->pwr_lock);
1985
5e7a7a22
MB		 1986 return 0;
1987}
1988EXPORT_SYMBOL_GPL(wm_adsp1_init);
1989
2159ad93
MB		 1990int wm_adsp1_event(struct snd_soc_dapm_widget *w,
1991 struct snd_kcontrol *kcontrol,
1992 int event)
1993{
72718517 1994 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
2159ad93
MB		 1995 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1996 struct wm_adsp *dsp = &dsps[w->shift];
b0101b4f 1997 struct wm_adsp_alg_region *alg_region;
6ab2b7b4 1998 struct wm_coeff_ctl *ctl;
2159ad93 1999 int ret;
7585a5b0 2000 unsigned int val;
2159ad93 2001
00200107 2002 dsp->card = codec->component.card;
92bb4c32 2003
078e7183
CK		 2004 mutex_lock(&dsp->pwr_lock);
2005
2159ad93
MB		 2006 switch (event) {
2007 case SND_SOC_DAPM_POST_PMU:
2008 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2009 ADSP1_SYS_ENA, ADSP1_SYS_ENA);
2010
94e205bf
CR		 2011 /*
2012 * For simplicity set the DSP clock rate to be the
2013 * SYSCLK rate rather than making it configurable.
2014 */
7585a5b0 2015 if (dsp->sysclk_reg) {
94e205bf
CR		 2016 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
2017 if (ret != 0) {
2018 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
2019 ret);
078e7183 2020 goto err_mutex;
94e205bf
CR		 2021 }
2022
7d00cd97 2023 val = (val & dsp->sysclk_mask) >> dsp->sysclk_shift;
94e205bf
CR		 2024
2025 ret = regmap_update_bits(dsp->regmap,
2026 dsp->base + ADSP1_CONTROL_31,
2027 ADSP1_CLK_SEL_MASK, val);
2028 if (ret != 0) {
2029 adsp_err(dsp, "Failed to set clock rate: %d\n",
2030 ret);
078e7183 2031 goto err_mutex;
94e205bf
CR		 2032 }
2033 }
2034
2159ad93
MB		 2035 ret = wm_adsp_load(dsp);
2036 if (ret != 0)
078e7183 2037 goto err_ena;
2159ad93 2038
b618a185 2039 ret = wm_adsp1_setup_algs(dsp);
db40517c 2040 if (ret != 0)
078e7183 2041 goto err_ena;
db40517c 2042
2159ad93
MB		 2043 ret = wm_adsp_load_coeff(dsp);
2044 if (ret != 0)
078e7183 2045 goto err_ena;
2159ad93 2046
0c2e3f34 2047 /* Initialize caches for enabled and unset controls */
81ad93ec 2048 ret = wm_coeff_init_control_caches(dsp);
6ab2b7b4 2049 if (ret != 0)
078e7183 2050 goto err_ena;
6ab2b7b4 2051
0c2e3f34 2052 /* Sync set controls */
81ad93ec 2053 ret = wm_coeff_sync_controls(dsp);
6ab2b7b4 2054 if (ret != 0)
078e7183 2055 goto err_ena;
6ab2b7b4 2056
2159ad93
MB		 2057 /* Start the core running */
2058 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2059 ADSP1_CORE_ENA | ADSP1_START,
2060 ADSP1_CORE_ENA | ADSP1_START);
2061 break;
2062
2063 case SND_SOC_DAPM_PRE_PMD:
2064 /* Halt the core */
2065 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2066 ADSP1_CORE_ENA | ADSP1_START, 0);
2067
2068 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
2069 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
2070
2071 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2072 ADSP1_SYS_ENA, 0);
6ab2b7b4 2073
81ad93ec 2074 list_for_each_entry(ctl, &dsp->ctl_list, list)
6ab2b7b4 2075 ctl->enabled = 0;
b0101b4f
DP		 2076
2077 while (!list_empty(&dsp->alg_regions)) {
2078 alg_region = list_first_entry(&dsp->alg_regions,
2079 struct wm_adsp_alg_region,
2080 list);
2081 list_del(&alg_region->list);
2082 kfree(alg_region);
2083 }
2159ad93
MB		 2084 break;
2085
2086 default:
2087 break;
2088 }
2089
078e7183
CK		 2090 mutex_unlock(&dsp->pwr_lock);
2091
2159ad93
MB		 2092 return 0;
2093
078e7183 2094err_ena:
2159ad93
MB		 2095 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2096 ADSP1_SYS_ENA, 0);
078e7183
CK		 2097err_mutex:
2098 mutex_unlock(&dsp->pwr_lock);
2099
2159ad93
MB		 2100 return ret;
2101}
2102EXPORT_SYMBOL_GPL(wm_adsp1_event);
2103
2104static int wm_adsp2_ena(struct wm_adsp *dsp)
2105{
2106 unsigned int val;
2107 int ret, count;
2108
1552c325
MB		 2109 ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
2110 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
2159ad93
MB		 2111 if (ret != 0)
2112 return ret;
2113
2114 /* Wait for the RAM to start, should be near instantaneous */
939fd1e8 2115 for (count = 0; count < 10; ++count) {
7d00cd97 2116 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1, &val);
2159ad93
MB		 2117 if (ret != 0)
2118 return ret;
939fd1e8
CK		 2119
2120 if (val & ADSP2_RAM_RDY)
2121 break;
2122
2123 msleep(1);
2124 }
2159ad93
MB		 2125
2126 if (!(val & ADSP2_RAM_RDY)) {
2127 adsp_err(dsp, "Failed to start DSP RAM\n");
2128 return -EBUSY;
2129 }
2130
2131 adsp_dbg(dsp, "RAM ready after %d polls\n", count);
2159ad93
MB		 2132
2133 return 0;
2134}
2135
18b1a902 2136static void wm_adsp2_boot_work(struct work_struct *work)
2159ad93 2137{
d8a64d6a
CK		 2138 struct wm_adsp *dsp = container_of(work,
2139 struct wm_adsp,
2140 boot_work);
2159ad93
MB		 2141 int ret;
2142
078e7183
CK		 2143 mutex_lock(&dsp->pwr_lock);
2144
d8a64d6a
CK		 2145 ret = wm_adsp2_ena(dsp);
2146 if (ret != 0)
078e7183 2147 goto err_mutex;
2159ad93 2148
d8a64d6a
CK		 2149 ret = wm_adsp_load(dsp);
2150 if (ret != 0)
078e7183 2151 goto err_ena;
2159ad93 2152
b618a185 2153 ret = wm_adsp2_setup_algs(dsp);
d8a64d6a 2154 if (ret != 0)
078e7183 2155 goto err_ena;
db40517c 2156
d8a64d6a
CK		 2157 ret = wm_adsp_load_coeff(dsp);
2158 if (ret != 0)
078e7183 2159 goto err_ena;
2159ad93 2160
d8a64d6a
CK		 2161 /* Initialize caches for enabled and unset controls */
2162 ret = wm_coeff_init_control_caches(dsp);
2163 if (ret != 0)
078e7183 2164 goto err_ena;
6ab2b7b4 2165
d8a64d6a
CK		 2166 /* Sync set controls */
2167 ret = wm_coeff_sync_controls(dsp);
2168 if (ret != 0)
078e7183 2169 goto err_ena;
d8a64d6a 2170
d8a64d6a
CK		 2171 dsp->running = true;
2172
078e7183
CK		 2173 mutex_unlock(&dsp->pwr_lock);
2174
d8a64d6a 2175 return;
6ab2b7b4 2176
078e7183 2177err_ena:
d8a64d6a
CK		 2178 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2179 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
078e7183
CK		 2180err_mutex:
2181 mutex_unlock(&dsp->pwr_lock);
d8a64d6a
CK		 2182}
2183
d82d767f
CK		 2184static void wm_adsp2_set_dspclk(struct wm_adsp *dsp, unsigned int freq)
2185{
2186 int ret;
2187
2188 ret = regmap_update_bits_async(dsp->regmap,
2189 dsp->base + ADSP2_CLOCKING,
2190 ADSP2_CLK_SEL_MASK,
2191 freq << ADSP2_CLK_SEL_SHIFT);
2192 if (ret != 0)
2193 adsp_err(dsp, "Failed to set clock rate: %d\n", ret);
2194}
2195
12db5edd 2196int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
d82d767f
CK		 2197 struct snd_kcontrol *kcontrol, int event,
2198 unsigned int freq)
12db5edd 2199{
72718517 2200 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
12db5edd
CK		 2201 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
2202 struct wm_adsp *dsp = &dsps[w->shift];
2203
00200107 2204 dsp->card = codec->component.card;
12db5edd
CK		 2205
2206 switch (event) {
2207 case SND_SOC_DAPM_PRE_PMU:
d82d767f 2208 wm_adsp2_set_dspclk(dsp, freq);
12db5edd
CK		 2209 queue_work(system_unbound_wq, &dsp->boot_work);
2210 break;
2211 default:
2212 break;
cab27258 2213 }
12db5edd
CK		 2214
2215 return 0;
2216}
2217EXPORT_SYMBOL_GPL(wm_adsp2_early_event);
2218
d8a64d6a
CK		 2219int wm_adsp2_event(struct snd_soc_dapm_widget *w,
2220 struct snd_kcontrol *kcontrol, int event)
2221{
72718517 2222 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
d8a64d6a
CK		 2223 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
2224 struct wm_adsp *dsp = &dsps[w->shift];
2225 struct wm_adsp_alg_region *alg_region;
2226 struct wm_coeff_ctl *ctl;
2227 int ret;
2228
d8a64d6a
CK		 2229 switch (event) {
2230 case SND_SOC_DAPM_POST_PMU:
d8a64d6a
CK		 2231 flush_work(&dsp->boot_work);
2232
2233 if (!dsp->running)
2234 return -EIO;
6ab2b7b4 2235
d8a64d6a
CK		 2236 ret = regmap_update_bits(dsp->regmap,
2237 dsp->base + ADSP2_CONTROL,
00e4c3b6
CK		 2238 ADSP2_CORE_ENA | ADSP2_START,
2239 ADSP2_CORE_ENA | ADSP2_START);
2159ad93
MB		 2240 if (ret != 0)
2241 goto err;
2cd19bdb 2242
612047f0
CK		 2243 mutex_lock(&dsp->pwr_lock);
2244
2cd19bdb
CK		 2245 if (wm_adsp_fw[dsp->fw].num_caps != 0)
2246 ret = wm_adsp_buffer_init(dsp);
2247
612047f0
CK		 2248 mutex_unlock(&dsp->pwr_lock);
2249
2159ad93
MB		 2250 break;
2251
2252 case SND_SOC_DAPM_PRE_PMD:
10337b07
RF		 2253 /* Log firmware state, it can be useful for analysis */
2254 wm_adsp2_show_fw_status(dsp);
2255
078e7183
CK		 2256 mutex_lock(&dsp->pwr_lock);
2257
f9f55e31
RF		 2258 wm_adsp_debugfs_clear(dsp);
2259
2260 dsp->fw_id = 0;
2261 dsp->fw_id_version = 0;
1023dbd9
MB		 2262 dsp->running = false;
2263
2159ad93 2264 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
a7f9be7e
MB		 2265 ADSP2_SYS_ENA | ADSP2_CORE_ENA |
2266 ADSP2_START, 0);
973838a0 2267
2d30b575
MB		 2268 /* Make sure DMAs are quiesced */
2269 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
2270 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
2271 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
2272
81ad93ec 2273 list_for_each_entry(ctl, &dsp->ctl_list, list)
6ab2b7b4 2274 ctl->enabled = 0;
6ab2b7b4 2275
471f4885
MB		 2276 while (!list_empty(&dsp->alg_regions)) {
2277 alg_region = list_first_entry(&dsp->alg_regions,
2278 struct wm_adsp_alg_region,
2279 list);
2280 list_del(&alg_region->list);
2281 kfree(alg_region);
2282 }
ddbc5efe 2283
2cd19bdb
CK		 2284 if (wm_adsp_fw[dsp->fw].num_caps != 0)
2285 wm_adsp_buffer_free(dsp);
2286
078e7183
CK		 2287 mutex_unlock(&dsp->pwr_lock);
2288
ddbc5efe 2289 adsp_dbg(dsp, "Shutdown complete\n");
2159ad93
MB		 2290 break;
2291
2292 default:
2293 break;
2294 }
2295
2296 return 0;
2297err:
2298 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
a7f9be7e 2299 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
2159ad93
MB		 2300 return ret;
2301}
2302EXPORT_SYMBOL_GPL(wm_adsp2_event);
973838a0 2303
f5e2ce92
RF		 2304int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec)
2305{
f9f55e31
RF		 2306 wm_adsp2_init_debugfs(dsp, codec);
2307
218e5087 2308 return snd_soc_add_codec_controls(codec,
336d0442
RF		 2309 &wm_adsp_fw_controls[dsp->num - 1],
2310 1);
f5e2ce92
RF		 2311}
2312EXPORT_SYMBOL_GPL(wm_adsp2_codec_probe);
2313
2314int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec)
2315{
f9f55e31
RF		 2316 wm_adsp2_cleanup_debugfs(dsp);
2317
f5e2ce92
RF		 2318 return 0;
2319}
2320EXPORT_SYMBOL_GPL(wm_adsp2_codec_remove);
2321
81ac58b1 2322int wm_adsp2_init(struct wm_adsp *dsp)
973838a0
MB		 2323{
2324 int ret;
2325
10a2b662
MB		 2326 /*
2327 * Disable the DSP memory by default when in reset for a small
2328 * power saving.
2329 */
3809f001 2330 ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
10a2b662
MB		 2331 ADSP2_MEM_ENA, 0);
2332 if (ret != 0) {
3809f001 2333 adsp_err(dsp, "Failed to clear memory retention: %d\n", ret);
10a2b662
MB		 2334 return ret;
2335 }
2336
3809f001
CK		 2337 INIT_LIST_HEAD(&dsp->alg_regions);
2338 INIT_LIST_HEAD(&dsp->ctl_list);
2339 INIT_WORK(&dsp->boot_work, wm_adsp2_boot_work);
6ab2b7b4 2340
078e7183
CK		 2341 mutex_init(&dsp->pwr_lock);
2342
973838a0
MB		 2343 return 0;
2344}
2345EXPORT_SYMBOL_GPL(wm_adsp2_init);
0a37c6ef 2346
406abc95
CK		 2347int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream)
2348{
2349 struct wm_adsp_compr *compr;
2350 int ret = 0;
2351
2352 mutex_lock(&dsp->pwr_lock);
2353
2354 if (wm_adsp_fw[dsp->fw].num_caps == 0) {
2355 adsp_err(dsp, "Firmware does not support compressed API\n");
2356 ret = -ENXIO;
2357 goto out;
2358 }
2359
2360 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) {
2361 adsp_err(dsp, "Firmware does not support stream direction\n");
2362 ret = -EINVAL;
2363 goto out;
2364 }
2365
95fe9597
CK		 2366 if (dsp->compr) {
2367 /* It is expect this limitation will be removed in future */
2368 adsp_err(dsp, "Only a single stream supported per DSP\n");
2369 ret = -EBUSY;
2370 goto out;
2371 }
2372
406abc95
CK		 2373 compr = kzalloc(sizeof(*compr), GFP_KERNEL);
2374 if (!compr) {
2375 ret = -ENOMEM;
2376 goto out;
2377 }
2378
2379 compr->dsp = dsp;
2380 compr->stream = stream;
2381
2382 dsp->compr = compr;
2383
2384 stream->runtime->private_data = compr;
2385
2386out:
2387 mutex_unlock(&dsp->pwr_lock);
2388
2389 return ret;
2390}
2391EXPORT_SYMBOL_GPL(wm_adsp_compr_open);
2392
2393int wm_adsp_compr_free(struct snd_compr_stream *stream)
2394{
2395 struct wm_adsp_compr *compr = stream->runtime->private_data;
2396 struct wm_adsp *dsp = compr->dsp;
2397
2398 mutex_lock(&dsp->pwr_lock);
2399
2400 dsp->compr = NULL;
2401
83a40ce9 2402 kfree(compr->raw_buf);
406abc95
CK		 2403 kfree(compr);
2404
2405 mutex_unlock(&dsp->pwr_lock);
2406
2407 return 0;
2408}
2409EXPORT_SYMBOL_GPL(wm_adsp_compr_free);
2410
2411static int wm_adsp_compr_check_params(struct snd_compr_stream *stream,
2412 struct snd_compr_params *params)
2413{
2414 struct wm_adsp_compr *compr = stream->runtime->private_data;
2415 struct wm_adsp *dsp = compr->dsp;
2416 const struct wm_adsp_fw_caps *caps;
2417 const struct snd_codec_desc *desc;
2418 int i, j;
2419
2420 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE ||
2421 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE ||
2422 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS ||
2423 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS ||
2424 params->buffer.fragment_size % WM_ADSP_DATA_WORD_SIZE) {
2425 adsp_err(dsp, "Invalid buffer fragsize=%d fragments=%d\n",
2426 params->buffer.fragment_size,
2427 params->buffer.fragments);
2428
2429 return -EINVAL;
2430 }
2431
2432 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) {
2433 caps = &wm_adsp_fw[dsp->fw].caps[i];
2434 desc = &caps->desc;
2435
2436 if (caps->id != params->codec.id)
2437 continue;
2438
2439 if (stream->direction == SND_COMPRESS_PLAYBACK) {
2440 if (desc->max_ch < params->codec.ch_out)
2441 continue;
2442 } else {
2443 if (desc->max_ch < params->codec.ch_in)
2444 continue;
2445 }
2446
2447 if (!(desc->formats & (1 << params->codec.format)))
2448 continue;
2449
2450 for (j = 0; j < desc->num_sample_rates; ++j)
2451 if (desc->sample_rates[j] == params->codec.sample_rate)
2452 return 0;
2453 }
2454
2455 adsp_err(dsp, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n",
2456 params->codec.id, params->codec.ch_in, params->codec.ch_out,
2457 params->codec.sample_rate, params->codec.format);
2458 return -EINVAL;
2459}
2460
565ace46
CK		 2461static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr)
2462{
2463 return compr->size.fragment_size / WM_ADSP_DATA_WORD_SIZE;
2464}
2465
406abc95
CK		 2466int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
2467 struct snd_compr_params *params)
2468{
2469 struct wm_adsp_compr *compr = stream->runtime->private_data;
83a40ce9 2470 unsigned int size;
406abc95
CK		 2471 int ret;
2472
2473 ret = wm_adsp_compr_check_params(stream, params);
2474 if (ret)
2475 return ret;
2476
2477 compr->size = params->buffer;
2478
2479 adsp_dbg(compr->dsp, "fragment_size=%d fragments=%d\n",
2480 compr->size.fragment_size, compr->size.fragments);
2481
83a40ce9
CK		 2482 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf);
2483 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL);
2484 if (!compr->raw_buf)
2485 return -ENOMEM;
2486
da2b3358
CK		 2487 compr->sample_rate = params->codec.sample_rate;
2488
406abc95
CK		 2489 return 0;
2490}
2491EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params);
2492
2493int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
2494 struct snd_compr_caps *caps)
2495{
2496 struct wm_adsp_compr *compr = stream->runtime->private_data;
2497 int fw = compr->dsp->fw;
2498 int i;
2499
2500 if (wm_adsp_fw[fw].caps) {
2501 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++)
2502 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id;
2503
2504 caps->num_codecs = i;
2505 caps->direction = wm_adsp_fw[fw].compr_direction;
2506
2507 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE;
2508 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE;
2509 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS;
2510 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS;
2511 }
2512
2513 return 0;
2514}
2515EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps);
2516
2cd19bdb
CK		 2517static int wm_adsp_read_data_block(struct wm_adsp *dsp, int mem_type,
2518 unsigned int mem_addr,
2519 unsigned int num_words, u32 *data)
2520{
2521 struct wm_adsp_region const *mem = wm_adsp_find_region(dsp, mem_type);
2522 unsigned int i, reg;
2523 int ret;
2524
2525 if (!mem)
2526 return -EINVAL;
2527
2528 reg = wm_adsp_region_to_reg(mem, mem_addr);
2529
2530 ret = regmap_raw_read(dsp->regmap, reg, data,
2531 sizeof(*data) * num_words);
2532 if (ret < 0)
2533 return ret;
2534
2535 for (i = 0; i < num_words; ++i)
2536 data[i] = be32_to_cpu(data[i]) & 0x00ffffffu;
2537
2538 return 0;
2539}
2540
2541static inline int wm_adsp_read_data_word(struct wm_adsp *dsp, int mem_type,
2542 unsigned int mem_addr, u32 *data)
2543{
2544 return wm_adsp_read_data_block(dsp, mem_type, mem_addr, 1, data);
2545}
2546
2547static int wm_adsp_write_data_word(struct wm_adsp *dsp, int mem_type,
2548 unsigned int mem_addr, u32 data)
2549{
2550 struct wm_adsp_region const *mem = wm_adsp_find_region(dsp, mem_type);
2551 unsigned int reg;
2552
2553 if (!mem)
2554 return -EINVAL;
2555
2556 reg = wm_adsp_region_to_reg(mem, mem_addr);
2557
2558 data = cpu_to_be32(data & 0x00ffffffu);
2559
2560 return regmap_raw_write(dsp->regmap, reg, &data, sizeof(data));
2561}
2562
2563static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf,
2564 unsigned int field_offset, u32 *data)
2565{
2566 return wm_adsp_read_data_word(buf->dsp, WMFW_ADSP2_XM,
2567 buf->host_buf_ptr + field_offset, data);
2568}
2569
2570static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf,
2571 unsigned int field_offset, u32 data)
2572{
2573 return wm_adsp_write_data_word(buf->dsp, WMFW_ADSP2_XM,
2574 buf->host_buf_ptr + field_offset, data);
2575}
2576
2577static int wm_adsp_buffer_locate(struct wm_adsp_compr_buf *buf)
2578{
2579 struct wm_adsp_alg_region *alg_region;
2580 struct wm_adsp *dsp = buf->dsp;
2581 u32 xmalg, addr, magic;
2582 int i, ret;
2583
2584 alg_region = wm_adsp_find_alg_region(dsp, WMFW_ADSP2_XM, dsp->fw_id);
2585 xmalg = sizeof(struct wm_adsp_system_config_xm_hdr) / sizeof(__be32);
2586
2587 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic);
2588 ret = wm_adsp_read_data_word(dsp, WMFW_ADSP2_XM, addr, &magic);
2589 if (ret < 0)
2590 return ret;
2591
2592 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC)
2593 return -EINVAL;
2594
2595 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr);
2596 for (i = 0; i < 5; ++i) {
2597 ret = wm_adsp_read_data_word(dsp, WMFW_ADSP2_XM, addr,
2598 &buf->host_buf_ptr);
2599 if (ret < 0)
2600 return ret;
2601
2602 if (buf->host_buf_ptr)
2603 break;
2604
2605 usleep_range(1000, 2000);
2606 }
2607
2608 if (!buf->host_buf_ptr)
2609 return -EIO;
2610
2611 adsp_dbg(dsp, "host_buf_ptr=%x\n", buf->host_buf_ptr);
2612
2613 return 0;
2614}
2615
2616static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf)
2617{
2618 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps;
2619 struct wm_adsp_buffer_region *region;
2620 u32 offset = 0;
2621 int i, ret;
2622
2623 for (i = 0; i < caps->num_regions; ++i) {
2624 region = &buf->regions[i];
2625
2626 region->offset = offset;
2627 region->mem_type = caps->region_defs[i].mem_type;
2628
2629 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset,
2630 &region->base_addr);
2631 if (ret < 0)
2632 return ret;
2633
2634 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset,
2635 &offset);
2636 if (ret < 0)
2637 return ret;
2638
2639 region->cumulative_size = offset;
2640
2641 adsp_dbg(buf->dsp,
2642 "region=%d type=%d base=%04x off=%04x size=%04x\n",
2643 i, region->mem_type, region->base_addr,
2644 region->offset, region->cumulative_size);
2645 }
2646
2647 return 0;
2648}
2649
2650static int wm_adsp_buffer_init(struct wm_adsp *dsp)
2651{
2652 struct wm_adsp_compr_buf *buf;
2653 int ret;
2654
2655 buf = kzalloc(sizeof(*buf), GFP_KERNEL);
2656 if (!buf)
2657 return -ENOMEM;
2658
2659 buf->dsp = dsp;
565ace46
CK		 2660 buf->read_index = -1;
2661 buf->irq_count = 0xFFFFFFFF;
2cd19bdb
CK		 2662
2663 ret = wm_adsp_buffer_locate(buf);
2664 if (ret < 0) {
2665 adsp_err(dsp, "Failed to acquire host buffer: %d\n", ret);
2666 goto err_buffer;
2667 }
2668
2669 buf->regions = kcalloc(wm_adsp_fw[dsp->fw].caps->num_regions,
2670 sizeof(*buf->regions), GFP_KERNEL);
2671 if (!buf->regions) {
2672 ret = -ENOMEM;
2673 goto err_buffer;
2674 }
2675
2676 ret = wm_adsp_buffer_populate(buf);
2677 if (ret < 0) {
2678 adsp_err(dsp, "Failed to populate host buffer: %d\n", ret);
2679 goto err_regions;
2680 }
2681
2682 dsp->buffer = buf;
2683
2684 return 0;
2685
2686err_regions:
2687 kfree(buf->regions);
2688err_buffer:
2689 kfree(buf);
2690 return ret;
2691}
2692
2693static int wm_adsp_buffer_free(struct wm_adsp *dsp)
2694{
2695 if (dsp->buffer) {
2696 kfree(dsp->buffer->regions);
2697 kfree(dsp->buffer);
2698
2699 dsp->buffer = NULL;
2700 }
2701
2702 return 0;
2703}
2704
95fe9597
CK		 2705static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr)
2706{
2707 return compr->buf != NULL;
2708}
2709
2710static int wm_adsp_compr_attach(struct wm_adsp_compr *compr)
2711{
2712 /*
2713 * Note this will be more complex once each DSP can support multiple
2714 * streams
2715 */
2716 if (!compr->dsp->buffer)
2717 return -EINVAL;
2718
2719 compr->buf = compr->dsp->buffer;
2720
2721 return 0;
2722}
2723
2724int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd)
2725{
2726 struct wm_adsp_compr *compr = stream->runtime->private_data;
2727 struct wm_adsp *dsp = compr->dsp;
2728 int ret = 0;
2729
2730 adsp_dbg(dsp, "Trigger: %d\n", cmd);
2731
2732 mutex_lock(&dsp->pwr_lock);
2733
2734 switch (cmd) {
2735 case SNDRV_PCM_TRIGGER_START:
2736 if (wm_adsp_compr_attached(compr))
2737 break;
2738
2739 ret = wm_adsp_compr_attach(compr);
2740 if (ret < 0) {
2741 adsp_err(dsp, "Failed to link buffer and stream: %d\n",
2742 ret);
2743 break;
2744 }
565ace46
CK		 2745
2746 /* Trigger the IRQ at one fragment of data */
2747 ret = wm_adsp_buffer_write(compr->buf,
2748 HOST_BUFFER_FIELD(high_water_mark),
2749 wm_adsp_compr_frag_words(compr));
2750 if (ret < 0) {
2751 adsp_err(dsp, "Failed to set high water mark: %d\n",
2752 ret);
2753 break;
2754 }
95fe9597
CK		 2755 break;
2756 case SNDRV_PCM_TRIGGER_STOP:
2757 break;
2758 default:
2759 ret = -EINVAL;
2760 break;
2761 }
2762
2763 mutex_unlock(&dsp->pwr_lock);
2764
2765 return ret;
2766}
2767EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger);
2768
565ace46
CK		 2769static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf)
2770{
2771 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1;
2772
2773 return buf->regions[last_region].cumulative_size;
2774}
2775
2776static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf)
2777{
2778 u32 next_read_index, next_write_index;
2779 int write_index, read_index, avail;
2780 int ret;
2781
2782 /* Only sync read index if we haven't already read a valid index */
2783 if (buf->read_index < 0) {
2784 ret = wm_adsp_buffer_read(buf,
2785 HOST_BUFFER_FIELD(next_read_index),
2786 &next_read_index);
2787 if (ret < 0)
2788 return ret;
2789
2790 read_index = sign_extend32(next_read_index, 23);
2791
2792 if (read_index < 0) {
2793 adsp_dbg(buf->dsp, "Avail check on unstarted stream\n");
2794 return 0;
2795 }
2796
2797 buf->read_index = read_index;
2798 }
2799
2800 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index),
2801 &next_write_index);
2802 if (ret < 0)
2803 return ret;
2804
2805 write_index = sign_extend32(next_write_index, 23);
2806
2807 avail = write_index - buf->read_index;
2808 if (avail < 0)
2809 avail += wm_adsp_buffer_size(buf);
2810
2811 adsp_dbg(buf->dsp, "readindex=0x%x, writeindex=0x%x, avail=%d\n",
2812 buf->read_index, write_index, avail);
2813
2814 buf->avail = avail;
2815
2816 return 0;
2817}
2818
2819int wm_adsp_compr_handle_irq(struct wm_adsp *dsp)
2820{
612047f0
CK		 2821 struct wm_adsp_compr_buf *buf;
2822 struct wm_adsp_compr *compr;
565ace46
CK		 2823 int ret = 0;
2824
2825 mutex_lock(&dsp->pwr_lock);
2826
612047f0
CK		 2827 buf = dsp->buffer;
2828 compr = dsp->compr;
2829
565ace46 2830 if (!buf) {
565ace46
CK		 2831 ret = -ENODEV;
2832 goto out;
2833 }
2834
2835 adsp_dbg(dsp, "Handling buffer IRQ\n");
2836
2837 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error);
2838 if (ret < 0) {
2839 adsp_err(dsp, "Failed to check buffer error: %d\n", ret);
2840 goto out;
2841 }
2842 if (buf->error != 0) {
2843 adsp_err(dsp, "Buffer error occurred: %d\n", buf->error);
2844 ret = -EIO;
2845 goto out;
2846 }
2847
2848 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count),
2849 &buf->irq_count);
2850 if (ret < 0) {
2851 adsp_err(dsp, "Failed to get irq_count: %d\n", ret);
2852 goto out;
2853 }
2854
2855 ret = wm_adsp_buffer_update_avail(buf);
2856 if (ret < 0) {
2857 adsp_err(dsp, "Error reading avail: %d\n", ret);
2858 goto out;
2859 }
2860
c7dae7c4 2861 if (compr && compr->stream)
83a40ce9
CK		 2862 snd_compr_fragment_elapsed(compr->stream);
2863
565ace46
CK		 2864out:
2865 mutex_unlock(&dsp->pwr_lock);
2866
2867 return ret;
2868}
2869EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq);
2870
2871static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf)
2872{
2873 if (buf->irq_count & 0x01)
2874 return 0;
2875
2876 adsp_dbg(buf->dsp, "Enable IRQ(0x%x) for next fragment\n",
2877 buf->irq_count);
2878
2879 buf->irq_count |= 0x01;
2880
2881 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack),
2882 buf->irq_count);
2883}
2884
2885int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
2886 struct snd_compr_tstamp *tstamp)
2887{
2888 struct wm_adsp_compr *compr = stream->runtime->private_data;
565ace46 2889 struct wm_adsp *dsp = compr->dsp;
612047f0 2890 struct wm_adsp_compr_buf *buf;
565ace46
CK		 2891 int ret = 0;
2892
2893 adsp_dbg(dsp, "Pointer request\n");
2894
2895 mutex_lock(&dsp->pwr_lock);
2896
612047f0
CK		 2897 buf = compr->buf;
2898
565ace46
CK		 2899 if (!compr->buf) {
2900 ret = -ENXIO;
2901 goto out;
2902 }
2903
2904 if (compr->buf->error) {
2905 ret = -EIO;
2906 goto out;
2907 }
2908
2909 if (buf->avail < wm_adsp_compr_frag_words(compr)) {
2910 ret = wm_adsp_buffer_update_avail(buf);
2911 if (ret < 0) {
2912 adsp_err(dsp, "Error reading avail: %d\n", ret);
2913 goto out;
2914 }
2915
2916 /*
2917 * If we really have less than 1 fragment available tell the
2918 * DSP to inform us once a whole fragment is available.
2919 */
2920 if (buf->avail < wm_adsp_compr_frag_words(compr)) {
2921 ret = wm_adsp_buffer_reenable_irq(buf);
2922 if (ret < 0) {
2923 adsp_err(dsp,
2924 "Failed to re-enable buffer IRQ: %d\n",
2925 ret);
2926 goto out;
2927 }
2928 }
2929 }
2930
2931 tstamp->copied_total = compr->copied_total;
2932 tstamp->copied_total += buf->avail * WM_ADSP_DATA_WORD_SIZE;
da2b3358 2933 tstamp->sampling_rate = compr->sample_rate;
565ace46
CK		 2934
2935out:
2936 mutex_unlock(&dsp->pwr_lock);
2937
2938 return ret;
2939}
2940EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer);
2941
83a40ce9
CK		 2942static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target)
2943{
2944 struct wm_adsp_compr_buf *buf = compr->buf;
2945 u8 *pack_in = (u8 *)compr->raw_buf;
2946 u8 *pack_out = (u8 *)compr->raw_buf;
2947 unsigned int adsp_addr;
2948 int mem_type, nwords, max_read;
2949 int i, j, ret;
2950
2951 /* Calculate read parameters */
2952 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i)
2953 if (buf->read_index < buf->regions[i].cumulative_size)
2954 break;
2955
2956 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions)
2957 return -EINVAL;
2958
2959 mem_type = buf->regions[i].mem_type;
2960 adsp_addr = buf->regions[i].base_addr +
2961 (buf->read_index - buf->regions[i].offset);
2962
2963 max_read = wm_adsp_compr_frag_words(compr);
2964 nwords = buf->regions[i].cumulative_size - buf->read_index;
2965
2966 if (nwords > target)
2967 nwords = target;
2968 if (nwords > buf->avail)
2969 nwords = buf->avail;
2970 if (nwords > max_read)
2971 nwords = max_read;
2972 if (!nwords)
2973 return 0;
2974
2975 /* Read data from DSP */
2976 ret = wm_adsp_read_data_block(buf->dsp, mem_type, adsp_addr,
2977 nwords, compr->raw_buf);
2978 if (ret < 0)
2979 return ret;
2980
2981 /* Remove the padding bytes from the data read from the DSP */
2982 for (i = 0; i < nwords; i++) {
2983 for (j = 0; j < WM_ADSP_DATA_WORD_SIZE; j++)
2984 *pack_out++ = *pack_in++;
2985
2986 pack_in += sizeof(*(compr->raw_buf)) - WM_ADSP_DATA_WORD_SIZE;
2987 }
2988
2989 /* update read index to account for words read */
2990 buf->read_index += nwords;
2991 if (buf->read_index == wm_adsp_buffer_size(buf))
2992 buf->read_index = 0;
2993
2994 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index),
2995 buf->read_index);
2996 if (ret < 0)
2997 return ret;
2998
2999 /* update avail to account for words read */
3000 buf->avail -= nwords;
3001
3002 return nwords;
3003}
3004
3005static int wm_adsp_compr_read(struct wm_adsp_compr *compr,
3006 char __user *buf, size_t count)
3007{
3008 struct wm_adsp *dsp = compr->dsp;
3009 int ntotal = 0;
3010 int nwords, nbytes;
3011
3012 adsp_dbg(dsp, "Requested read of %zu bytes\n", count);
3013
3014 if (!compr->buf)
3015 return -ENXIO;
3016
3017 if (compr->buf->error)
3018 return -EIO;
3019
3020 count /= WM_ADSP_DATA_WORD_SIZE;
3021
3022 do {
3023 nwords = wm_adsp_buffer_capture_block(compr, count);
3024 if (nwords < 0) {
3025 adsp_err(dsp, "Failed to capture block: %d\n", nwords);
3026 return nwords;
3027 }
3028
3029 nbytes = nwords * WM_ADSP_DATA_WORD_SIZE;
3030
3031 adsp_dbg(dsp, "Read %d bytes\n", nbytes);
3032
3033 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) {
3034 adsp_err(dsp, "Failed to copy data to user: %d, %d\n",
3035 ntotal, nbytes);
3036 return -EFAULT;
3037 }
3038
3039 count -= nwords;
3040 ntotal += nbytes;
3041 } while (nwords > 0 && count > 0);
3042
3043 compr->copied_total += ntotal;
3044
3045 return ntotal;
3046}
3047
3048int wm_adsp_compr_copy(struct snd_compr_stream *stream, char __user *buf,
3049 size_t count)
3050{
3051 struct wm_adsp_compr *compr = stream->runtime->private_data;
3052 struct wm_adsp *dsp = compr->dsp;
3053 int ret;
3054
3055 mutex_lock(&dsp->pwr_lock);
3056
3057 if (stream->direction == SND_COMPRESS_CAPTURE)
3058 ret = wm_adsp_compr_read(compr, buf, count);
3059 else
3060 ret = -ENOTSUPP;
3061
3062 mutex_unlock(&dsp->pwr_lock);
3063
3064 return ret;
3065}
3066EXPORT_SYMBOL_GPL(wm_adsp_compr_copy);
3067
0a37c6ef 3068MODULE_LICENSE("GPL v2");
Linux kernel - Deliverables
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