1 // SPDX-License-Identifier: GPL-2.0-only
3 * cs_dsp.c -- Cirrus Logic DSP firmware support
5 * Based on sound/soc/codecs/wm_adsp.c
7 * Copyright 2012 Wolfson Microelectronics plc
8 * Copyright (C) 2015-2021 Cirrus Logic, Inc. and
9 * Cirrus Logic International Semiconductor Ltd.
12 #include <linux/ctype.h>
13 #include <linux/debugfs.h>
14 #include <linux/delay.h>
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/seq_file.h>
18 #include <linux/slab.h>
19 #include <linux/vmalloc.h>
21 #include <linux/firmware/cirrus/cs_dsp.h>
22 #include <linux/firmware/cirrus/wmfw.h>
24 #define cs_dsp_err(_dsp, fmt, ...) \
25 dev_err(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
26 #define cs_dsp_warn(_dsp, fmt, ...) \
27 dev_warn(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
28 #define cs_dsp_info(_dsp, fmt, ...) \
29 dev_info(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
30 #define cs_dsp_dbg(_dsp, fmt, ...) \
31 dev_dbg(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
33 #define ADSP1_CONTROL_1 0x00
34 #define ADSP1_CONTROL_2 0x02
35 #define ADSP1_CONTROL_3 0x03
36 #define ADSP1_CONTROL_4 0x04
37 #define ADSP1_CONTROL_5 0x06
38 #define ADSP1_CONTROL_6 0x07
39 #define ADSP1_CONTROL_7 0x08
40 #define ADSP1_CONTROL_8 0x09
41 #define ADSP1_CONTROL_9 0x0A
42 #define ADSP1_CONTROL_10 0x0B
43 #define ADSP1_CONTROL_11 0x0C
44 #define ADSP1_CONTROL_12 0x0D
45 #define ADSP1_CONTROL_13 0x0F
46 #define ADSP1_CONTROL_14 0x10
47 #define ADSP1_CONTROL_15 0x11
48 #define ADSP1_CONTROL_16 0x12
49 #define ADSP1_CONTROL_17 0x13
50 #define ADSP1_CONTROL_18 0x14
51 #define ADSP1_CONTROL_19 0x16
52 #define ADSP1_CONTROL_20 0x17
53 #define ADSP1_CONTROL_21 0x18
54 #define ADSP1_CONTROL_22 0x1A
55 #define ADSP1_CONTROL_23 0x1B
56 #define ADSP1_CONTROL_24 0x1C
57 #define ADSP1_CONTROL_25 0x1E
58 #define ADSP1_CONTROL_26 0x20
59 #define ADSP1_CONTROL_27 0x21
60 #define ADSP1_CONTROL_28 0x22
61 #define ADSP1_CONTROL_29 0x23
62 #define ADSP1_CONTROL_30 0x24
63 #define ADSP1_CONTROL_31 0x26
68 #define ADSP1_WDMA_BUFFER_LENGTH_MASK 0x00FF /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
69 #define ADSP1_WDMA_BUFFER_LENGTH_SHIFT 0 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
70 #define ADSP1_WDMA_BUFFER_LENGTH_WIDTH 8 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
75 #define ADSP1_DBG_CLK_ENA 0x0008 /* DSP1_DBG_CLK_ENA */
76 #define ADSP1_DBG_CLK_ENA_MASK 0x0008 /* DSP1_DBG_CLK_ENA */
77 #define ADSP1_DBG_CLK_ENA_SHIFT 3 /* DSP1_DBG_CLK_ENA */
78 #define ADSP1_DBG_CLK_ENA_WIDTH 1 /* DSP1_DBG_CLK_ENA */
79 #define ADSP1_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
80 #define ADSP1_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
81 #define ADSP1_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
82 #define ADSP1_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
83 #define ADSP1_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
84 #define ADSP1_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
85 #define ADSP1_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
86 #define ADSP1_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
87 #define ADSP1_START 0x0001 /* DSP1_START */
88 #define ADSP1_START_MASK 0x0001 /* DSP1_START */
89 #define ADSP1_START_SHIFT 0 /* DSP1_START */
90 #define ADSP1_START_WIDTH 1 /* DSP1_START */
95 #define ADSP1_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
96 #define ADSP1_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
97 #define ADSP1_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
99 #define ADSP2_CONTROL 0x0
100 #define ADSP2_CLOCKING 0x1
101 #define ADSP2V2_CLOCKING 0x2
102 #define ADSP2_STATUS1 0x4
103 #define ADSP2_WDMA_CONFIG_1 0x30
104 #define ADSP2_WDMA_CONFIG_2 0x31
105 #define ADSP2V2_WDMA_CONFIG_2 0x32
106 #define ADSP2_RDMA_CONFIG_1 0x34
108 #define ADSP2_SCRATCH0 0x40
109 #define ADSP2_SCRATCH1 0x41
110 #define ADSP2_SCRATCH2 0x42
111 #define ADSP2_SCRATCH3 0x43
113 #define ADSP2V2_SCRATCH0_1 0x40
114 #define ADSP2V2_SCRATCH2_3 0x42
119 #define ADSP2_MEM_ENA 0x0010 /* DSP1_MEM_ENA */
120 #define ADSP2_MEM_ENA_MASK 0x0010 /* DSP1_MEM_ENA */
121 #define ADSP2_MEM_ENA_SHIFT 4 /* DSP1_MEM_ENA */
122 #define ADSP2_MEM_ENA_WIDTH 1 /* DSP1_MEM_ENA */
123 #define ADSP2_SYS_ENA 0x0004 /* DSP1_SYS_ENA */
124 #define ADSP2_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */
125 #define ADSP2_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */
126 #define ADSP2_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */
127 #define ADSP2_CORE_ENA 0x0002 /* DSP1_CORE_ENA */
128 #define ADSP2_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */
129 #define ADSP2_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */
130 #define ADSP2_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */
131 #define ADSP2_START 0x0001 /* DSP1_START */
132 #define ADSP2_START_MASK 0x0001 /* DSP1_START */
133 #define ADSP2_START_SHIFT 0 /* DSP1_START */
134 #define ADSP2_START_WIDTH 1 /* DSP1_START */
139 #define ADSP2_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */
140 #define ADSP2_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */
141 #define ADSP2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
146 #define ADSP2V2_CLK_SEL_MASK 0x70000 /* CLK_SEL_ENA */
147 #define ADSP2V2_CLK_SEL_SHIFT 16 /* CLK_SEL_ENA */
148 #define ADSP2V2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */
150 #define ADSP2V2_RATE_MASK 0x7800 /* DSP_RATE */
151 #define ADSP2V2_RATE_SHIFT 11 /* DSP_RATE */
152 #define ADSP2V2_RATE_WIDTH 4 /* DSP_RATE */
157 #define ADSP2_RAM_RDY 0x0001
158 #define ADSP2_RAM_RDY_MASK 0x0001
159 #define ADSP2_RAM_RDY_SHIFT 0
160 #define ADSP2_RAM_RDY_WIDTH 1
165 #define ADSP2_LOCK_CODE_0 0x5555
166 #define ADSP2_LOCK_CODE_1 0xAAAA
168 #define ADSP2_WATCHDOG 0x0A
169 #define ADSP2_BUS_ERR_ADDR 0x52
170 #define ADSP2_REGION_LOCK_STATUS 0x64
171 #define ADSP2_LOCK_REGION_1_LOCK_REGION_0 0x66
172 #define ADSP2_LOCK_REGION_3_LOCK_REGION_2 0x68
173 #define ADSP2_LOCK_REGION_5_LOCK_REGION_4 0x6A
174 #define ADSP2_LOCK_REGION_7_LOCK_REGION_6 0x6C
175 #define ADSP2_LOCK_REGION_9_LOCK_REGION_8 0x6E
176 #define ADSP2_LOCK_REGION_CTRL 0x7A
177 #define ADSP2_PMEM_ERR_ADDR_XMEM_ERR_ADDR 0x7C
179 #define ADSP2_REGION_LOCK_ERR_MASK 0x8000
180 #define ADSP2_ADDR_ERR_MASK 0x4000
181 #define ADSP2_WDT_TIMEOUT_STS_MASK 0x2000
182 #define ADSP2_CTRL_ERR_PAUSE_ENA 0x0002
183 #define ADSP2_CTRL_ERR_EINT 0x0001
185 #define ADSP2_BUS_ERR_ADDR_MASK 0x00FFFFFF
186 #define ADSP2_XMEM_ERR_ADDR_MASK 0x0000FFFF
187 #define ADSP2_PMEM_ERR_ADDR_MASK 0x7FFF0000
188 #define ADSP2_PMEM_ERR_ADDR_SHIFT 16
189 #define ADSP2_WDT_ENA_MASK 0xFFFFFFFD
191 #define ADSP2_LOCK_REGION_SHIFT 16
194 * Event control messages
196 #define CS_DSP_FW_EVENT_SHUTDOWN 0x000001
201 #define HALO_AHBM_WINDOW_DEBUG_0 0x02040
202 #define HALO_AHBM_WINDOW_DEBUG_1 0x02044
207 #define HALO_SCRATCH1 0x005c0
208 #define HALO_SCRATCH2 0x005c8
209 #define HALO_SCRATCH3 0x005d0
210 #define HALO_SCRATCH4 0x005d8
211 #define HALO_CCM_CORE_CONTROL 0x41000
212 #define HALO_CORE_SOFT_RESET 0x00010
213 #define HALO_WDT_CONTROL 0x47000
218 #define HALO_MPU_XMEM_ACCESS_0 0x43000
219 #define HALO_MPU_YMEM_ACCESS_0 0x43004
220 #define HALO_MPU_WINDOW_ACCESS_0 0x43008
221 #define HALO_MPU_XREG_ACCESS_0 0x4300C
222 #define HALO_MPU_YREG_ACCESS_0 0x43014
223 #define HALO_MPU_XMEM_ACCESS_1 0x43018
224 #define HALO_MPU_YMEM_ACCESS_1 0x4301C
225 #define HALO_MPU_WINDOW_ACCESS_1 0x43020
226 #define HALO_MPU_XREG_ACCESS_1 0x43024
227 #define HALO_MPU_YREG_ACCESS_1 0x4302C
228 #define HALO_MPU_XMEM_ACCESS_2 0x43030
229 #define HALO_MPU_YMEM_ACCESS_2 0x43034
230 #define HALO_MPU_WINDOW_ACCESS_2 0x43038
231 #define HALO_MPU_XREG_ACCESS_2 0x4303C
232 #define HALO_MPU_YREG_ACCESS_2 0x43044
233 #define HALO_MPU_XMEM_ACCESS_3 0x43048
234 #define HALO_MPU_YMEM_ACCESS_3 0x4304C
235 #define HALO_MPU_WINDOW_ACCESS_3 0x43050
236 #define HALO_MPU_XREG_ACCESS_3 0x43054
237 #define HALO_MPU_YREG_ACCESS_3 0x4305C
238 #define HALO_MPU_XM_VIO_ADDR 0x43100
239 #define HALO_MPU_XM_VIO_STATUS 0x43104
240 #define HALO_MPU_YM_VIO_ADDR 0x43108
241 #define HALO_MPU_YM_VIO_STATUS 0x4310C
242 #define HALO_MPU_PM_VIO_ADDR 0x43110
243 #define HALO_MPU_PM_VIO_STATUS 0x43114
244 #define HALO_MPU_LOCK_CONFIG 0x43140
247 * HALO_AHBM_WINDOW_DEBUG_1
249 #define HALO_AHBM_CORE_ERR_ADDR_MASK 0x0fffff00
250 #define HALO_AHBM_CORE_ERR_ADDR_SHIFT 8
251 #define HALO_AHBM_FLAGS_ERR_MASK 0x000000ff
254 * HALO_CCM_CORE_CONTROL
256 #define HALO_CORE_RESET 0x00000200
257 #define HALO_CORE_EN 0x00000001
260 * HALO_CORE_SOFT_RESET
262 #define HALO_CORE_SOFT_RESET_MASK 0x00000001
267 #define HALO_WDT_EN_MASK 0x00000001
270 * HALO_MPU_?M_VIO_STATUS
272 #define HALO_MPU_VIO_STS_MASK 0x007e0000
273 #define HALO_MPU_VIO_STS_SHIFT 17
274 #define HALO_MPU_VIO_ERR_WR_MASK 0x00008000
275 #define HALO_MPU_VIO_ERR_SRC_MASK 0x00007fff
276 #define HALO_MPU_VIO_ERR_SRC_SHIFT 0
279 bool (*validate_version)(struct cs_dsp *dsp, unsigned int version);
280 unsigned int (*parse_sizes)(struct cs_dsp *dsp,
281 const char * const file,
283 const struct firmware *firmware);
284 int (*setup_algs)(struct cs_dsp *dsp);
285 unsigned int (*region_to_reg)(struct cs_dsp_region const *mem,
286 unsigned int offset);
288 void (*show_fw_status)(struct cs_dsp *dsp);
289 void (*stop_watchdog)(struct cs_dsp *dsp);
291 int (*enable_memory)(struct cs_dsp *dsp);
292 void (*disable_memory)(struct cs_dsp *dsp);
293 int (*lock_memory)(struct cs_dsp *dsp, unsigned int lock_regions);
295 int (*enable_core)(struct cs_dsp *dsp);
296 void (*disable_core)(struct cs_dsp *dsp);
298 int (*start_core)(struct cs_dsp *dsp);
299 void (*stop_core)(struct cs_dsp *dsp);
302 static const struct cs_dsp_ops cs_dsp_adsp1_ops;
303 static const struct cs_dsp_ops cs_dsp_adsp2_ops[];
304 static const struct cs_dsp_ops cs_dsp_halo_ops;
305 static const struct cs_dsp_ops cs_dsp_halo_ao_ops;
308 struct list_head list;
312 static struct cs_dsp_buf *cs_dsp_buf_alloc(const void *src, size_t len,
313 struct list_head *list)
315 struct cs_dsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL);
320 buf->buf = vmalloc(len);
325 memcpy(buf->buf, src, len);
328 list_add_tail(&buf->list, list);
333 static void cs_dsp_buf_free(struct list_head *list)
335 while (!list_empty(list)) {
336 struct cs_dsp_buf *buf = list_first_entry(list,
339 list_del(&buf->list);
346 * cs_dsp_mem_region_name() - Return a name string for a memory type
347 * @type: the memory type to match
349 * Return: A const string identifying the memory region.
351 const char *cs_dsp_mem_region_name(unsigned int type)
356 case WMFW_HALO_PM_PACKED:
362 case WMFW_HALO_XM_PACKED:
366 case WMFW_HALO_YM_PACKED:
374 EXPORT_SYMBOL_NS_GPL(cs_dsp_mem_region_name, FW_CS_DSP);
376 #ifdef CONFIG_DEBUG_FS
377 static void cs_dsp_debugfs_save_wmfwname(struct cs_dsp *dsp, const char *s)
379 char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
381 kfree(dsp->wmfw_file_name);
382 dsp->wmfw_file_name = tmp;
385 static void cs_dsp_debugfs_save_binname(struct cs_dsp *dsp, const char *s)
387 char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
389 kfree(dsp->bin_file_name);
390 dsp->bin_file_name = tmp;
393 static void cs_dsp_debugfs_clear(struct cs_dsp *dsp)
395 kfree(dsp->wmfw_file_name);
396 kfree(dsp->bin_file_name);
397 dsp->wmfw_file_name = NULL;
398 dsp->bin_file_name = NULL;
401 static ssize_t cs_dsp_debugfs_wmfw_read(struct file *file,
402 char __user *user_buf,
403 size_t count, loff_t *ppos)
405 struct cs_dsp *dsp = file->private_data;
408 mutex_lock(&dsp->pwr_lock);
410 if (!dsp->wmfw_file_name || !dsp->booted)
413 ret = simple_read_from_buffer(user_buf, count, ppos,
415 strlen(dsp->wmfw_file_name));
417 mutex_unlock(&dsp->pwr_lock);
421 static ssize_t cs_dsp_debugfs_bin_read(struct file *file,
422 char __user *user_buf,
423 size_t count, loff_t *ppos)
425 struct cs_dsp *dsp = file->private_data;
428 mutex_lock(&dsp->pwr_lock);
430 if (!dsp->bin_file_name || !dsp->booted)
433 ret = simple_read_from_buffer(user_buf, count, ppos,
435 strlen(dsp->bin_file_name));
437 mutex_unlock(&dsp->pwr_lock);
441 static const struct {
443 const struct file_operations fops;
444 } cs_dsp_debugfs_fops[] = {
446 .name = "wmfw_file_name",
449 .read = cs_dsp_debugfs_wmfw_read,
453 .name = "bin_file_name",
456 .read = cs_dsp_debugfs_bin_read,
461 static int cs_dsp_coeff_base_reg(struct cs_dsp_coeff_ctl *ctl, unsigned int *reg,
464 static int cs_dsp_debugfs_read_controls_show(struct seq_file *s, void *ignored)
466 struct cs_dsp *dsp = s->private;
467 struct cs_dsp_coeff_ctl *ctl;
470 list_for_each_entry(ctl, &dsp->ctl_list, list) {
471 cs_dsp_coeff_base_reg(ctl, ®, 0);
472 seq_printf(s, "%22.*s: %#8zx %s:%08x %#8x %s %#8x %#4x %c%c%c%c %s %s\n",
473 ctl->subname_len, ctl->subname, ctl->len,
474 cs_dsp_mem_region_name(ctl->alg_region.type),
475 ctl->offset, reg, ctl->fw_name, ctl->alg_region.alg, ctl->type,
476 ctl->flags & WMFW_CTL_FLAG_VOLATILE ? 'V' : '-',
477 ctl->flags & WMFW_CTL_FLAG_SYS ? 'S' : '-',
478 ctl->flags & WMFW_CTL_FLAG_READABLE ? 'R' : '-',
479 ctl->flags & WMFW_CTL_FLAG_WRITEABLE ? 'W' : '-',
480 ctl->enabled ? "enabled" : "disabled",
481 ctl->set ? "dirty" : "clean");
486 DEFINE_SHOW_ATTRIBUTE(cs_dsp_debugfs_read_controls);
489 * cs_dsp_init_debugfs() - Create and populate DSP representation in debugfs
490 * @dsp: pointer to DSP structure
491 * @debugfs_root: pointer to debugfs directory in which to create this DSP
494 void cs_dsp_init_debugfs(struct cs_dsp *dsp, struct dentry *debugfs_root)
496 struct dentry *root = NULL;
499 root = debugfs_create_dir(dsp->name, debugfs_root);
501 debugfs_create_bool("booted", 0444, root, &dsp->booted);
502 debugfs_create_bool("running", 0444, root, &dsp->running);
503 debugfs_create_x32("fw_id", 0444, root, &dsp->fw_id);
504 debugfs_create_x32("fw_version", 0444, root, &dsp->fw_id_version);
506 for (i = 0; i < ARRAY_SIZE(cs_dsp_debugfs_fops); ++i)
507 debugfs_create_file(cs_dsp_debugfs_fops[i].name, 0444, root,
508 dsp, &cs_dsp_debugfs_fops[i].fops);
510 debugfs_create_file("controls", 0444, root, dsp,
511 &cs_dsp_debugfs_read_controls_fops);
513 dsp->debugfs_root = root;
515 EXPORT_SYMBOL_NS_GPL(cs_dsp_init_debugfs, FW_CS_DSP);
518 * cs_dsp_cleanup_debugfs() - Removes DSP representation from debugfs
519 * @dsp: pointer to DSP structure
521 void cs_dsp_cleanup_debugfs(struct cs_dsp *dsp)
523 cs_dsp_debugfs_clear(dsp);
524 debugfs_remove_recursive(dsp->debugfs_root);
525 dsp->debugfs_root = NULL;
527 EXPORT_SYMBOL_NS_GPL(cs_dsp_cleanup_debugfs, FW_CS_DSP);
529 void cs_dsp_init_debugfs(struct cs_dsp *dsp, struct dentry *debugfs_root)
532 EXPORT_SYMBOL_NS_GPL(cs_dsp_init_debugfs, FW_CS_DSP);
534 void cs_dsp_cleanup_debugfs(struct cs_dsp *dsp)
537 EXPORT_SYMBOL_NS_GPL(cs_dsp_cleanup_debugfs, FW_CS_DSP);
539 static inline void cs_dsp_debugfs_save_wmfwname(struct cs_dsp *dsp,
544 static inline void cs_dsp_debugfs_save_binname(struct cs_dsp *dsp,
549 static inline void cs_dsp_debugfs_clear(struct cs_dsp *dsp)
554 static const struct cs_dsp_region *cs_dsp_find_region(struct cs_dsp *dsp,
559 for (i = 0; i < dsp->num_mems; i++)
560 if (dsp->mem[i].type == type)
566 static unsigned int cs_dsp_region_to_reg(struct cs_dsp_region const *mem,
571 return mem->base + (offset * 3);
576 return mem->base + (offset * 2);
578 WARN(1, "Unknown memory region type");
583 static unsigned int cs_dsp_halo_region_to_reg(struct cs_dsp_region const *mem,
589 return mem->base + (offset * 4);
590 case WMFW_HALO_XM_PACKED:
591 case WMFW_HALO_YM_PACKED:
592 return (mem->base + (offset * 3)) & ~0x3;
593 case WMFW_HALO_PM_PACKED:
594 return mem->base + (offset * 5);
596 WARN(1, "Unknown memory region type");
601 static void cs_dsp_read_fw_status(struct cs_dsp *dsp,
602 int noffs, unsigned int *offs)
607 for (i = 0; i < noffs; ++i) {
608 ret = regmap_read(dsp->regmap, dsp->base + offs[i], &offs[i]);
610 cs_dsp_err(dsp, "Failed to read SCRATCH%u: %d\n", i, ret);
616 static void cs_dsp_adsp2_show_fw_status(struct cs_dsp *dsp)
618 unsigned int offs[] = {
619 ADSP2_SCRATCH0, ADSP2_SCRATCH1, ADSP2_SCRATCH2, ADSP2_SCRATCH3,
622 cs_dsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs);
624 cs_dsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n",
625 offs[0], offs[1], offs[2], offs[3]);
628 static void cs_dsp_adsp2v2_show_fw_status(struct cs_dsp *dsp)
630 unsigned int offs[] = { ADSP2V2_SCRATCH0_1, ADSP2V2_SCRATCH2_3 };
632 cs_dsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs);
634 cs_dsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n",
635 offs[0] & 0xFFFF, offs[0] >> 16,
636 offs[1] & 0xFFFF, offs[1] >> 16);
639 static void cs_dsp_halo_show_fw_status(struct cs_dsp *dsp)
641 unsigned int offs[] = {
642 HALO_SCRATCH1, HALO_SCRATCH2, HALO_SCRATCH3, HALO_SCRATCH4,
645 cs_dsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs);
647 cs_dsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n",
648 offs[0], offs[1], offs[2], offs[3]);
651 static int cs_dsp_coeff_base_reg(struct cs_dsp_coeff_ctl *ctl, unsigned int *reg,
654 const struct cs_dsp_alg_region *alg_region = &ctl->alg_region;
655 struct cs_dsp *dsp = ctl->dsp;
656 const struct cs_dsp_region *mem;
658 mem = cs_dsp_find_region(dsp, alg_region->type);
660 cs_dsp_err(dsp, "No base for region %x\n",
665 *reg = dsp->ops->region_to_reg(mem, ctl->alg_region.base + ctl->offset + off);
671 * cs_dsp_coeff_write_acked_control() - Sends event_id to the acked control
672 * @ctl: pointer to acked coefficient control
673 * @event_id: the value to write to the given acked control
675 * Once the value has been written to the control the function shall block
676 * until the running firmware acknowledges the write or timeout is exceeded.
678 * Must be called with pwr_lock held.
680 * Return: Zero for success, a negative number on error.
682 int cs_dsp_coeff_write_acked_control(struct cs_dsp_coeff_ctl *ctl, unsigned int event_id)
684 struct cs_dsp *dsp = ctl->dsp;
685 __be32 val = cpu_to_be32(event_id);
689 lockdep_assert_held(&dsp->pwr_lock);
694 ret = cs_dsp_coeff_base_reg(ctl, ®, 0);
698 cs_dsp_dbg(dsp, "Sending 0x%x to acked control alg 0x%x %s:0x%x\n",
699 event_id, ctl->alg_region.alg,
700 cs_dsp_mem_region_name(ctl->alg_region.type), ctl->offset);
702 ret = regmap_raw_write(dsp->regmap, reg, &val, sizeof(val));
704 cs_dsp_err(dsp, "Failed to write %x: %d\n", reg, ret);
709 * Poll for ack, we initially poll at ~1ms intervals for firmwares
710 * that respond quickly, then go to ~10ms polls. A firmware is unlikely
711 * to ack instantly so we do the first 1ms delay before reading the
712 * control to avoid a pointless bus transaction
714 for (i = 0; i < CS_DSP_ACKED_CTL_TIMEOUT_MS;) {
716 case 0 ... CS_DSP_ACKED_CTL_N_QUICKPOLLS - 1:
717 usleep_range(1000, 2000);
721 usleep_range(10000, 20000);
726 ret = regmap_raw_read(dsp->regmap, reg, &val, sizeof(val));
728 cs_dsp_err(dsp, "Failed to read %x: %d\n", reg, ret);
733 cs_dsp_dbg(dsp, "Acked control ACKED at poll %u\n", i);
738 cs_dsp_warn(dsp, "Acked control @0x%x alg:0x%x %s:0x%x timed out\n",
739 reg, ctl->alg_region.alg,
740 cs_dsp_mem_region_name(ctl->alg_region.type),
745 EXPORT_SYMBOL_NS_GPL(cs_dsp_coeff_write_acked_control, FW_CS_DSP);
747 static int cs_dsp_coeff_write_ctrl_raw(struct cs_dsp_coeff_ctl *ctl,
748 unsigned int off, const void *buf, size_t len)
750 struct cs_dsp *dsp = ctl->dsp;
755 ret = cs_dsp_coeff_base_reg(ctl, ®, off);
759 scratch = kmemdup(buf, len, GFP_KERNEL | GFP_DMA);
763 ret = regmap_raw_write(dsp->regmap, reg, scratch,
766 cs_dsp_err(dsp, "Failed to write %zu bytes to %x: %d\n",
771 cs_dsp_dbg(dsp, "Wrote %zu bytes to %x\n", len, reg);
779 * cs_dsp_coeff_write_ctrl() - Writes the given buffer to the given coefficient control
780 * @ctl: pointer to coefficient control
781 * @off: word offset at which data should be written
782 * @buf: the buffer to write to the given control
783 * @len: the length of the buffer in bytes
785 * Must be called with pwr_lock held.
787 * Return: < 0 on error, 1 when the control value changed and 0 when it has not.
789 int cs_dsp_coeff_write_ctrl(struct cs_dsp_coeff_ctl *ctl,
790 unsigned int off, const void *buf, size_t len)
797 lockdep_assert_held(&ctl->dsp->pwr_lock);
799 if (len + off * sizeof(u32) > ctl->len)
802 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
804 } else if (buf != ctl->cache) {
805 if (memcmp(ctl->cache + off * sizeof(u32), buf, len))
806 memcpy(ctl->cache + off * sizeof(u32), buf, len);
812 if (ctl->enabled && ctl->dsp->running)
813 ret = cs_dsp_coeff_write_ctrl_raw(ctl, off, buf, len);
820 EXPORT_SYMBOL_NS_GPL(cs_dsp_coeff_write_ctrl, FW_CS_DSP);
822 static int cs_dsp_coeff_read_ctrl_raw(struct cs_dsp_coeff_ctl *ctl,
823 unsigned int off, void *buf, size_t len)
825 struct cs_dsp *dsp = ctl->dsp;
830 ret = cs_dsp_coeff_base_reg(ctl, ®, off);
834 scratch = kmalloc(len, GFP_KERNEL | GFP_DMA);
838 ret = regmap_raw_read(dsp->regmap, reg, scratch, len);
840 cs_dsp_err(dsp, "Failed to read %zu bytes from %x: %d\n",
845 cs_dsp_dbg(dsp, "Read %zu bytes from %x\n", len, reg);
847 memcpy(buf, scratch, len);
854 * cs_dsp_coeff_read_ctrl() - Reads the given coefficient control into the given buffer
855 * @ctl: pointer to coefficient control
856 * @off: word offset at which data should be read
857 * @buf: the buffer to store to the given control
858 * @len: the length of the buffer in bytes
860 * Must be called with pwr_lock held.
862 * Return: Zero for success, a negative number on error.
864 int cs_dsp_coeff_read_ctrl(struct cs_dsp_coeff_ctl *ctl,
865 unsigned int off, void *buf, size_t len)
872 lockdep_assert_held(&ctl->dsp->pwr_lock);
874 if (len + off * sizeof(u32) > ctl->len)
877 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
878 if (ctl->enabled && ctl->dsp->running)
879 return cs_dsp_coeff_read_ctrl_raw(ctl, off, buf, len);
883 if (!ctl->flags && ctl->enabled && ctl->dsp->running)
884 ret = cs_dsp_coeff_read_ctrl_raw(ctl, 0, ctl->cache, ctl->len);
886 if (buf != ctl->cache)
887 memcpy(buf, ctl->cache + off * sizeof(u32), len);
892 EXPORT_SYMBOL_NS_GPL(cs_dsp_coeff_read_ctrl, FW_CS_DSP);
894 static int cs_dsp_coeff_init_control_caches(struct cs_dsp *dsp)
896 struct cs_dsp_coeff_ctl *ctl;
899 list_for_each_entry(ctl, &dsp->ctl_list, list) {
900 if (!ctl->enabled || ctl->set)
902 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
906 * For readable controls populate the cache from the DSP memory.
907 * For non-readable controls the cache was zero-filled when
908 * created so we don't need to do anything.
910 if (!ctl->flags || (ctl->flags & WMFW_CTL_FLAG_READABLE)) {
911 ret = cs_dsp_coeff_read_ctrl_raw(ctl, 0, ctl->cache, ctl->len);
920 static int cs_dsp_coeff_sync_controls(struct cs_dsp *dsp)
922 struct cs_dsp_coeff_ctl *ctl;
925 list_for_each_entry(ctl, &dsp->ctl_list, list) {
928 if (ctl->set && !(ctl->flags & WMFW_CTL_FLAG_VOLATILE)) {
929 ret = cs_dsp_coeff_write_ctrl_raw(ctl, 0, ctl->cache,
939 static void cs_dsp_signal_event_controls(struct cs_dsp *dsp,
942 struct cs_dsp_coeff_ctl *ctl;
945 list_for_each_entry(ctl, &dsp->ctl_list, list) {
946 if (ctl->type != WMFW_CTL_TYPE_HOSTEVENT)
952 ret = cs_dsp_coeff_write_acked_control(ctl, event);
955 "Failed to send 0x%x event to alg 0x%x (%d)\n",
956 event, ctl->alg_region.alg, ret);
960 static void cs_dsp_free_ctl_blk(struct cs_dsp_coeff_ctl *ctl)
967 static int cs_dsp_create_control(struct cs_dsp *dsp,
968 const struct cs_dsp_alg_region *alg_region,
969 unsigned int offset, unsigned int len,
970 const char *subname, unsigned int subname_len,
971 unsigned int flags, unsigned int type)
973 struct cs_dsp_coeff_ctl *ctl;
976 list_for_each_entry(ctl, &dsp->ctl_list, list) {
977 if (ctl->fw_name == dsp->fw_name &&
978 ctl->alg_region.alg == alg_region->alg &&
979 ctl->alg_region.type == alg_region->type) {
980 if ((!subname && !ctl->subname) ||
981 (subname && (ctl->subname_len == subname_len) &&
982 !strncmp(ctl->subname, subname, ctl->subname_len))) {
990 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
994 ctl->fw_name = dsp->fw_name;
995 ctl->alg_region = *alg_region;
996 if (subname && dsp->fw_ver >= 2) {
997 ctl->subname_len = subname_len;
998 ctl->subname = kasprintf(GFP_KERNEL, "%.*s", subname_len, subname);
1010 ctl->offset = offset;
1012 ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
1015 goto err_ctl_subname;
1018 list_add(&ctl->list, &dsp->ctl_list);
1020 if (dsp->client_ops->control_add) {
1021 ret = dsp->client_ops->control_add(ctl);
1029 list_del(&ctl->list);
1032 kfree(ctl->subname);
1039 struct cs_dsp_coeff_parsed_alg {
1046 struct cs_dsp_coeff_parsed_coeff {
1051 unsigned int ctl_type;
1056 static int cs_dsp_coeff_parse_string(int bytes, const u8 **pos, const u8 **str)
1065 length = le16_to_cpu(*((__le16 *)*pos));
1072 *str = *pos + bytes;
1074 *pos += ((length + bytes) + 3) & ~0x03;
1079 static int cs_dsp_coeff_parse_int(int bytes, const u8 **pos)
1085 val = le16_to_cpu(*((__le16 *)*pos));
1088 val = le32_to_cpu(*((__le32 *)*pos));
1099 static inline void cs_dsp_coeff_parse_alg(struct cs_dsp *dsp, const u8 **data,
1100 struct cs_dsp_coeff_parsed_alg *blk)
1102 const struct wmfw_adsp_alg_data *raw;
1104 switch (dsp->fw_ver) {
1107 raw = (const struct wmfw_adsp_alg_data *)*data;
1110 blk->id = le32_to_cpu(raw->id);
1111 blk->name = raw->name;
1112 blk->name_len = strlen(raw->name);
1113 blk->ncoeff = le32_to_cpu(raw->ncoeff);
1116 blk->id = cs_dsp_coeff_parse_int(sizeof(raw->id), data);
1117 blk->name_len = cs_dsp_coeff_parse_string(sizeof(u8), data,
1119 cs_dsp_coeff_parse_string(sizeof(u16), data, NULL);
1120 blk->ncoeff = cs_dsp_coeff_parse_int(sizeof(raw->ncoeff), data);
1124 cs_dsp_dbg(dsp, "Algorithm ID: %#x\n", blk->id);
1125 cs_dsp_dbg(dsp, "Algorithm name: %.*s\n", blk->name_len, blk->name);
1126 cs_dsp_dbg(dsp, "# of coefficient descriptors: %#x\n", blk->ncoeff);
1129 static inline void cs_dsp_coeff_parse_coeff(struct cs_dsp *dsp, const u8 **data,
1130 struct cs_dsp_coeff_parsed_coeff *blk)
1132 const struct wmfw_adsp_coeff_data *raw;
1136 switch (dsp->fw_ver) {
1139 raw = (const struct wmfw_adsp_coeff_data *)*data;
1140 *data = *data + sizeof(raw->hdr) + le32_to_cpu(raw->hdr.size);
1142 blk->offset = le16_to_cpu(raw->hdr.offset);
1143 blk->mem_type = le16_to_cpu(raw->hdr.type);
1144 blk->name = raw->name;
1145 blk->name_len = strlen(raw->name);
1146 blk->ctl_type = le16_to_cpu(raw->ctl_type);
1147 blk->flags = le16_to_cpu(raw->flags);
1148 blk->len = le32_to_cpu(raw->len);
1152 blk->offset = cs_dsp_coeff_parse_int(sizeof(raw->hdr.offset), &tmp);
1153 blk->mem_type = cs_dsp_coeff_parse_int(sizeof(raw->hdr.type), &tmp);
1154 length = cs_dsp_coeff_parse_int(sizeof(raw->hdr.size), &tmp);
1155 blk->name_len = cs_dsp_coeff_parse_string(sizeof(u8), &tmp,
1157 cs_dsp_coeff_parse_string(sizeof(u8), &tmp, NULL);
1158 cs_dsp_coeff_parse_string(sizeof(u16), &tmp, NULL);
1159 blk->ctl_type = cs_dsp_coeff_parse_int(sizeof(raw->ctl_type), &tmp);
1160 blk->flags = cs_dsp_coeff_parse_int(sizeof(raw->flags), &tmp);
1161 blk->len = cs_dsp_coeff_parse_int(sizeof(raw->len), &tmp);
1163 *data = *data + sizeof(raw->hdr) + length;
1167 cs_dsp_dbg(dsp, "\tCoefficient type: %#x\n", blk->mem_type);
1168 cs_dsp_dbg(dsp, "\tCoefficient offset: %#x\n", blk->offset);
1169 cs_dsp_dbg(dsp, "\tCoefficient name: %.*s\n", blk->name_len, blk->name);
1170 cs_dsp_dbg(dsp, "\tCoefficient flags: %#x\n", blk->flags);
1171 cs_dsp_dbg(dsp, "\tALSA control type: %#x\n", blk->ctl_type);
1172 cs_dsp_dbg(dsp, "\tALSA control len: %#x\n", blk->len);
1175 static int cs_dsp_check_coeff_flags(struct cs_dsp *dsp,
1176 const struct cs_dsp_coeff_parsed_coeff *coeff_blk,
1177 unsigned int f_required,
1178 unsigned int f_illegal)
1180 if ((coeff_blk->flags & f_illegal) ||
1181 ((coeff_blk->flags & f_required) != f_required)) {
1182 cs_dsp_err(dsp, "Illegal flags 0x%x for control type 0x%x\n",
1183 coeff_blk->flags, coeff_blk->ctl_type);
1190 static int cs_dsp_parse_coeff(struct cs_dsp *dsp,
1191 const struct wmfw_region *region)
1193 struct cs_dsp_alg_region alg_region = {};
1194 struct cs_dsp_coeff_parsed_alg alg_blk;
1195 struct cs_dsp_coeff_parsed_coeff coeff_blk;
1196 const u8 *data = region->data;
1199 cs_dsp_coeff_parse_alg(dsp, &data, &alg_blk);
1200 for (i = 0; i < alg_blk.ncoeff; i++) {
1201 cs_dsp_coeff_parse_coeff(dsp, &data, &coeff_blk);
1203 switch (coeff_blk.ctl_type) {
1204 case WMFW_CTL_TYPE_BYTES:
1206 case WMFW_CTL_TYPE_ACKED:
1207 if (coeff_blk.flags & WMFW_CTL_FLAG_SYS)
1208 continue; /* ignore */
1210 ret = cs_dsp_check_coeff_flags(dsp, &coeff_blk,
1211 WMFW_CTL_FLAG_VOLATILE |
1212 WMFW_CTL_FLAG_WRITEABLE |
1213 WMFW_CTL_FLAG_READABLE,
1218 case WMFW_CTL_TYPE_HOSTEVENT:
1219 case WMFW_CTL_TYPE_FWEVENT:
1220 ret = cs_dsp_check_coeff_flags(dsp, &coeff_blk,
1222 WMFW_CTL_FLAG_VOLATILE |
1223 WMFW_CTL_FLAG_WRITEABLE |
1224 WMFW_CTL_FLAG_READABLE,
1229 case WMFW_CTL_TYPE_HOST_BUFFER:
1230 ret = cs_dsp_check_coeff_flags(dsp, &coeff_blk,
1232 WMFW_CTL_FLAG_VOLATILE |
1233 WMFW_CTL_FLAG_READABLE,
1239 cs_dsp_err(dsp, "Unknown control type: %d\n",
1240 coeff_blk.ctl_type);
1244 alg_region.type = coeff_blk.mem_type;
1245 alg_region.alg = alg_blk.id;
1247 ret = cs_dsp_create_control(dsp, &alg_region,
1253 coeff_blk.ctl_type);
1255 cs_dsp_err(dsp, "Failed to create control: %.*s, %d\n",
1256 coeff_blk.name_len, coeff_blk.name, ret);
1262 static unsigned int cs_dsp_adsp1_parse_sizes(struct cs_dsp *dsp,
1263 const char * const file,
1265 const struct firmware *firmware)
1267 const struct wmfw_adsp1_sizes *adsp1_sizes;
1269 adsp1_sizes = (void *)&firmware->data[pos];
1271 cs_dsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n", file,
1272 le32_to_cpu(adsp1_sizes->dm), le32_to_cpu(adsp1_sizes->pm),
1273 le32_to_cpu(adsp1_sizes->zm));
1275 return pos + sizeof(*adsp1_sizes);
1278 static unsigned int cs_dsp_adsp2_parse_sizes(struct cs_dsp *dsp,
1279 const char * const file,
1281 const struct firmware *firmware)
1283 const struct wmfw_adsp2_sizes *adsp2_sizes;
1285 adsp2_sizes = (void *)&firmware->data[pos];
1287 cs_dsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n", file,
1288 le32_to_cpu(adsp2_sizes->xm), le32_to_cpu(adsp2_sizes->ym),
1289 le32_to_cpu(adsp2_sizes->pm), le32_to_cpu(adsp2_sizes->zm));
1291 return pos + sizeof(*adsp2_sizes);
1294 static bool cs_dsp_validate_version(struct cs_dsp *dsp, unsigned int version)
1298 cs_dsp_warn(dsp, "Deprecated file format %d\n", version);
1308 static bool cs_dsp_halo_validate_version(struct cs_dsp *dsp, unsigned int version)
1318 static int cs_dsp_load(struct cs_dsp *dsp, const struct firmware *firmware,
1321 LIST_HEAD(buf_list);
1322 struct regmap *regmap = dsp->regmap;
1323 unsigned int pos = 0;
1324 const struct wmfw_header *header;
1325 const struct wmfw_adsp1_sizes *adsp1_sizes;
1326 const struct wmfw_footer *footer;
1327 const struct wmfw_region *region;
1328 const struct cs_dsp_region *mem;
1329 const char *region_name;
1331 struct cs_dsp_buf *buf;
1334 int ret, offset, type;
1341 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
1342 if (pos >= firmware->size) {
1343 cs_dsp_err(dsp, "%s: file too short, %zu bytes\n",
1344 file, firmware->size);
1348 header = (void *)&firmware->data[0];
1350 if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
1351 cs_dsp_err(dsp, "%s: invalid magic\n", file);
1355 if (!dsp->ops->validate_version(dsp, header->ver)) {
1356 cs_dsp_err(dsp, "%s: unknown file format %d\n",
1361 cs_dsp_info(dsp, "Firmware version: %d\n", header->ver);
1362 dsp->fw_ver = header->ver;
1364 if (header->core != dsp->type) {
1365 cs_dsp_err(dsp, "%s: invalid core %d != %d\n",
1366 file, header->core, dsp->type);
1370 pos = sizeof(*header);
1371 pos = dsp->ops->parse_sizes(dsp, file, pos, firmware);
1373 footer = (void *)&firmware->data[pos];
1374 pos += sizeof(*footer);
1376 if (le32_to_cpu(header->len) != pos) {
1377 cs_dsp_err(dsp, "%s: unexpected header length %d\n",
1378 file, le32_to_cpu(header->len));
1382 cs_dsp_dbg(dsp, "%s: timestamp %llu\n", file,
1383 le64_to_cpu(footer->timestamp));
1385 while (pos < firmware->size &&
1386 sizeof(*region) < firmware->size - pos) {
1387 region = (void *)&(firmware->data[pos]);
1388 region_name = "Unknown";
1391 offset = le32_to_cpu(region->offset) & 0xffffff;
1392 type = be32_to_cpu(region->type) & 0xff;
1395 case WMFW_NAME_TEXT:
1396 region_name = "Firmware name";
1397 text = kzalloc(le32_to_cpu(region->len) + 1,
1400 case WMFW_ALGORITHM_DATA:
1401 region_name = "Algorithm";
1402 ret = cs_dsp_parse_coeff(dsp, region);
1406 case WMFW_INFO_TEXT:
1407 region_name = "Information";
1408 text = kzalloc(le32_to_cpu(region->len) + 1,
1412 region_name = "Absolute";
1420 case WMFW_HALO_PM_PACKED:
1421 case WMFW_HALO_XM_PACKED:
1422 case WMFW_HALO_YM_PACKED:
1423 mem = cs_dsp_find_region(dsp, type);
1425 cs_dsp_err(dsp, "No region of type: %x\n", type);
1430 region_name = cs_dsp_mem_region_name(type);
1431 reg = dsp->ops->region_to_reg(mem, offset);
1435 "%s.%d: Unknown region type %x at %d(%x)\n",
1436 file, regions, type, pos, pos);
1440 cs_dsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
1441 regions, le32_to_cpu(region->len), offset,
1444 if (le32_to_cpu(region->len) >
1445 firmware->size - pos - sizeof(*region)) {
1447 "%s.%d: %s region len %d bytes exceeds file length %zu\n",
1448 file, regions, region_name,
1449 le32_to_cpu(region->len), firmware->size);
1455 memcpy(text, region->data, le32_to_cpu(region->len));
1456 cs_dsp_info(dsp, "%s: %s\n", file, text);
1462 buf = cs_dsp_buf_alloc(region->data,
1463 le32_to_cpu(region->len),
1466 cs_dsp_err(dsp, "Out of memory\n");
1471 ret = regmap_raw_write_async(regmap, reg, buf->buf,
1472 le32_to_cpu(region->len));
1475 "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
1477 le32_to_cpu(region->len), offset,
1483 pos += le32_to_cpu(region->len) + sizeof(*region);
1487 ret = regmap_async_complete(regmap);
1489 cs_dsp_err(dsp, "Failed to complete async write: %d\n", ret);
1493 if (pos > firmware->size)
1494 cs_dsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1495 file, regions, pos - firmware->size);
1497 cs_dsp_debugfs_save_wmfwname(dsp, file);
1500 regmap_async_complete(regmap);
1501 cs_dsp_buf_free(&buf_list);
1508 * cs_dsp_get_ctl() - Finds a matching coefficient control
1509 * @dsp: pointer to DSP structure
1510 * @name: pointer to string to match with a control's subname
1511 * @type: the algorithm type to match
1512 * @alg: the algorithm id to match
1514 * Find cs_dsp_coeff_ctl with input name as its subname
1516 * Return: pointer to the control on success, NULL if not found
1518 struct cs_dsp_coeff_ctl *cs_dsp_get_ctl(struct cs_dsp *dsp, const char *name, int type,
1521 struct cs_dsp_coeff_ctl *pos, *rslt = NULL;
1523 lockdep_assert_held(&dsp->pwr_lock);
1525 list_for_each_entry(pos, &dsp->ctl_list, list) {
1528 if (strncmp(pos->subname, name, pos->subname_len) == 0 &&
1529 pos->fw_name == dsp->fw_name &&
1530 pos->alg_region.alg == alg &&
1531 pos->alg_region.type == type) {
1539 EXPORT_SYMBOL_NS_GPL(cs_dsp_get_ctl, FW_CS_DSP);
1541 static void cs_dsp_ctl_fixup_base(struct cs_dsp *dsp,
1542 const struct cs_dsp_alg_region *alg_region)
1544 struct cs_dsp_coeff_ctl *ctl;
1546 list_for_each_entry(ctl, &dsp->ctl_list, list) {
1547 if (ctl->fw_name == dsp->fw_name &&
1548 alg_region->alg == ctl->alg_region.alg &&
1549 alg_region->type == ctl->alg_region.type) {
1550 ctl->alg_region.base = alg_region->base;
1555 static void *cs_dsp_read_algs(struct cs_dsp *dsp, size_t n_algs,
1556 const struct cs_dsp_region *mem,
1557 unsigned int pos, unsigned int len)
1565 cs_dsp_err(dsp, "No algorithms\n");
1566 return ERR_PTR(-EINVAL);
1569 if (n_algs > 1024) {
1570 cs_dsp_err(dsp, "Algorithm count %zx excessive\n", n_algs);
1571 return ERR_PTR(-EINVAL);
1574 /* Read the terminator first to validate the length */
1575 reg = dsp->ops->region_to_reg(mem, pos + len);
1577 ret = regmap_raw_read(dsp->regmap, reg, &val, sizeof(val));
1579 cs_dsp_err(dsp, "Failed to read algorithm list end: %d\n",
1581 return ERR_PTR(ret);
1584 if (be32_to_cpu(val) != 0xbedead)
1585 cs_dsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbedead\n",
1586 reg, be32_to_cpu(val));
1588 /* Convert length from DSP words to bytes */
1591 alg = kzalloc(len, GFP_KERNEL | GFP_DMA);
1593 return ERR_PTR(-ENOMEM);
1595 reg = dsp->ops->region_to_reg(mem, pos);
1597 ret = regmap_raw_read(dsp->regmap, reg, alg, len);
1599 cs_dsp_err(dsp, "Failed to read algorithm list: %d\n", ret);
1601 return ERR_PTR(ret);
1608 * cs_dsp_find_alg_region() - Finds a matching algorithm region
1609 * @dsp: pointer to DSP structure
1610 * @type: the algorithm type to match
1611 * @id: the algorithm id to match
1613 * Return: Pointer to matching algorithm region, or NULL if not found.
1615 struct cs_dsp_alg_region *cs_dsp_find_alg_region(struct cs_dsp *dsp,
1616 int type, unsigned int id)
1618 struct cs_dsp_alg_region *alg_region;
1620 lockdep_assert_held(&dsp->pwr_lock);
1622 list_for_each_entry(alg_region, &dsp->alg_regions, list) {
1623 if (id == alg_region->alg && type == alg_region->type)
1629 EXPORT_SYMBOL_NS_GPL(cs_dsp_find_alg_region, FW_CS_DSP);
1631 static struct cs_dsp_alg_region *cs_dsp_create_region(struct cs_dsp *dsp,
1632 int type, __be32 id,
1633 __be32 ver, __be32 base)
1635 struct cs_dsp_alg_region *alg_region;
1637 alg_region = kzalloc(sizeof(*alg_region), GFP_KERNEL);
1639 return ERR_PTR(-ENOMEM);
1641 alg_region->type = type;
1642 alg_region->alg = be32_to_cpu(id);
1643 alg_region->ver = be32_to_cpu(ver);
1644 alg_region->base = be32_to_cpu(base);
1646 list_add_tail(&alg_region->list, &dsp->alg_regions);
1648 if (dsp->fw_ver > 0)
1649 cs_dsp_ctl_fixup_base(dsp, alg_region);
1654 static void cs_dsp_free_alg_regions(struct cs_dsp *dsp)
1656 struct cs_dsp_alg_region *alg_region;
1658 while (!list_empty(&dsp->alg_regions)) {
1659 alg_region = list_first_entry(&dsp->alg_regions,
1660 struct cs_dsp_alg_region,
1662 list_del(&alg_region->list);
1667 static void cs_dsp_parse_wmfw_id_header(struct cs_dsp *dsp,
1668 struct wmfw_id_hdr *fw, int nalgs)
1670 dsp->fw_id = be32_to_cpu(fw->id);
1671 dsp->fw_id_version = be32_to_cpu(fw->ver);
1673 cs_dsp_info(dsp, "Firmware: %x v%d.%d.%d, %d algorithms\n",
1674 dsp->fw_id, (dsp->fw_id_version & 0xff0000) >> 16,
1675 (dsp->fw_id_version & 0xff00) >> 8, dsp->fw_id_version & 0xff,
1679 static void cs_dsp_parse_wmfw_v3_id_header(struct cs_dsp *dsp,
1680 struct wmfw_v3_id_hdr *fw, int nalgs)
1682 dsp->fw_id = be32_to_cpu(fw->id);
1683 dsp->fw_id_version = be32_to_cpu(fw->ver);
1684 dsp->fw_vendor_id = be32_to_cpu(fw->vendor_id);
1686 cs_dsp_info(dsp, "Firmware: %x vendor: 0x%x v%d.%d.%d, %d algorithms\n",
1687 dsp->fw_id, dsp->fw_vendor_id,
1688 (dsp->fw_id_version & 0xff0000) >> 16,
1689 (dsp->fw_id_version & 0xff00) >> 8, dsp->fw_id_version & 0xff,
1693 static int cs_dsp_create_regions(struct cs_dsp *dsp, __be32 id, __be32 ver,
1694 int nregions, const int *type, __be32 *base)
1696 struct cs_dsp_alg_region *alg_region;
1699 for (i = 0; i < nregions; i++) {
1700 alg_region = cs_dsp_create_region(dsp, type[i], id, ver, base[i]);
1701 if (IS_ERR(alg_region))
1702 return PTR_ERR(alg_region);
1708 static int cs_dsp_adsp1_setup_algs(struct cs_dsp *dsp)
1710 struct wmfw_adsp1_id_hdr adsp1_id;
1711 struct wmfw_adsp1_alg_hdr *adsp1_alg;
1712 struct cs_dsp_alg_region *alg_region;
1713 const struct cs_dsp_region *mem;
1714 unsigned int pos, len;
1718 mem = cs_dsp_find_region(dsp, WMFW_ADSP1_DM);
1722 ret = regmap_raw_read(dsp->regmap, mem->base, &adsp1_id,
1725 cs_dsp_err(dsp, "Failed to read algorithm info: %d\n",
1730 n_algs = be32_to_cpu(adsp1_id.n_algs);
1732 cs_dsp_parse_wmfw_id_header(dsp, &adsp1_id.fw, n_algs);
1734 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP1_ZM,
1735 adsp1_id.fw.id, adsp1_id.fw.ver,
1737 if (IS_ERR(alg_region))
1738 return PTR_ERR(alg_region);
1740 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP1_DM,
1741 adsp1_id.fw.id, adsp1_id.fw.ver,
1743 if (IS_ERR(alg_region))
1744 return PTR_ERR(alg_region);
1746 /* Calculate offset and length in DSP words */
1747 pos = sizeof(adsp1_id) / sizeof(u32);
1748 len = (sizeof(*adsp1_alg) * n_algs) / sizeof(u32);
1750 adsp1_alg = cs_dsp_read_algs(dsp, n_algs, mem, pos, len);
1751 if (IS_ERR(adsp1_alg))
1752 return PTR_ERR(adsp1_alg);
1754 for (i = 0; i < n_algs; i++) {
1755 cs_dsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
1756 i, be32_to_cpu(adsp1_alg[i].alg.id),
1757 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
1758 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
1759 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
1760 be32_to_cpu(adsp1_alg[i].dm),
1761 be32_to_cpu(adsp1_alg[i].zm));
1763 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP1_DM,
1764 adsp1_alg[i].alg.id,
1765 adsp1_alg[i].alg.ver,
1767 if (IS_ERR(alg_region)) {
1768 ret = PTR_ERR(alg_region);
1771 if (dsp->fw_ver == 0) {
1772 if (i + 1 < n_algs) {
1773 len = be32_to_cpu(adsp1_alg[i + 1].dm);
1774 len -= be32_to_cpu(adsp1_alg[i].dm);
1776 cs_dsp_create_control(dsp, alg_region, 0,
1778 WMFW_CTL_TYPE_BYTES);
1780 cs_dsp_warn(dsp, "Missing length info for region DM with ID %x\n",
1781 be32_to_cpu(adsp1_alg[i].alg.id));
1785 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP1_ZM,
1786 adsp1_alg[i].alg.id,
1787 adsp1_alg[i].alg.ver,
1789 if (IS_ERR(alg_region)) {
1790 ret = PTR_ERR(alg_region);
1793 if (dsp->fw_ver == 0) {
1794 if (i + 1 < n_algs) {
1795 len = be32_to_cpu(adsp1_alg[i + 1].zm);
1796 len -= be32_to_cpu(adsp1_alg[i].zm);
1798 cs_dsp_create_control(dsp, alg_region, 0,
1800 WMFW_CTL_TYPE_BYTES);
1802 cs_dsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1803 be32_to_cpu(adsp1_alg[i].alg.id));
1813 static int cs_dsp_adsp2_setup_algs(struct cs_dsp *dsp)
1815 struct wmfw_adsp2_id_hdr adsp2_id;
1816 struct wmfw_adsp2_alg_hdr *adsp2_alg;
1817 struct cs_dsp_alg_region *alg_region;
1818 const struct cs_dsp_region *mem;
1819 unsigned int pos, len;
1823 mem = cs_dsp_find_region(dsp, WMFW_ADSP2_XM);
1827 ret = regmap_raw_read(dsp->regmap, mem->base, &adsp2_id,
1830 cs_dsp_err(dsp, "Failed to read algorithm info: %d\n",
1835 n_algs = be32_to_cpu(adsp2_id.n_algs);
1837 cs_dsp_parse_wmfw_id_header(dsp, &adsp2_id.fw, n_algs);
1839 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_XM,
1840 adsp2_id.fw.id, adsp2_id.fw.ver,
1842 if (IS_ERR(alg_region))
1843 return PTR_ERR(alg_region);
1845 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_YM,
1846 adsp2_id.fw.id, adsp2_id.fw.ver,
1848 if (IS_ERR(alg_region))
1849 return PTR_ERR(alg_region);
1851 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_ZM,
1852 adsp2_id.fw.id, adsp2_id.fw.ver,
1854 if (IS_ERR(alg_region))
1855 return PTR_ERR(alg_region);
1857 /* Calculate offset and length in DSP words */
1858 pos = sizeof(adsp2_id) / sizeof(u32);
1859 len = (sizeof(*adsp2_alg) * n_algs) / sizeof(u32);
1861 adsp2_alg = cs_dsp_read_algs(dsp, n_algs, mem, pos, len);
1862 if (IS_ERR(adsp2_alg))
1863 return PTR_ERR(adsp2_alg);
1865 for (i = 0; i < n_algs; i++) {
1867 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
1868 i, be32_to_cpu(adsp2_alg[i].alg.id),
1869 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
1870 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
1871 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
1872 be32_to_cpu(adsp2_alg[i].xm),
1873 be32_to_cpu(adsp2_alg[i].ym),
1874 be32_to_cpu(adsp2_alg[i].zm));
1876 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_XM,
1877 adsp2_alg[i].alg.id,
1878 adsp2_alg[i].alg.ver,
1880 if (IS_ERR(alg_region)) {
1881 ret = PTR_ERR(alg_region);
1884 if (dsp->fw_ver == 0) {
1885 if (i + 1 < n_algs) {
1886 len = be32_to_cpu(adsp2_alg[i + 1].xm);
1887 len -= be32_to_cpu(adsp2_alg[i].xm);
1889 cs_dsp_create_control(dsp, alg_region, 0,
1891 WMFW_CTL_TYPE_BYTES);
1893 cs_dsp_warn(dsp, "Missing length info for region XM with ID %x\n",
1894 be32_to_cpu(adsp2_alg[i].alg.id));
1898 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_YM,
1899 adsp2_alg[i].alg.id,
1900 adsp2_alg[i].alg.ver,
1902 if (IS_ERR(alg_region)) {
1903 ret = PTR_ERR(alg_region);
1906 if (dsp->fw_ver == 0) {
1907 if (i + 1 < n_algs) {
1908 len = be32_to_cpu(adsp2_alg[i + 1].ym);
1909 len -= be32_to_cpu(adsp2_alg[i].ym);
1911 cs_dsp_create_control(dsp, alg_region, 0,
1913 WMFW_CTL_TYPE_BYTES);
1915 cs_dsp_warn(dsp, "Missing length info for region YM with ID %x\n",
1916 be32_to_cpu(adsp2_alg[i].alg.id));
1920 alg_region = cs_dsp_create_region(dsp, WMFW_ADSP2_ZM,
1921 adsp2_alg[i].alg.id,
1922 adsp2_alg[i].alg.ver,
1924 if (IS_ERR(alg_region)) {
1925 ret = PTR_ERR(alg_region);
1928 if (dsp->fw_ver == 0) {
1929 if (i + 1 < n_algs) {
1930 len = be32_to_cpu(adsp2_alg[i + 1].zm);
1931 len -= be32_to_cpu(adsp2_alg[i].zm);
1933 cs_dsp_create_control(dsp, alg_region, 0,
1935 WMFW_CTL_TYPE_BYTES);
1937 cs_dsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1938 be32_to_cpu(adsp2_alg[i].alg.id));
1948 static int cs_dsp_halo_create_regions(struct cs_dsp *dsp, __be32 id, __be32 ver,
1949 __be32 xm_base, __be32 ym_base)
1951 static const int types[] = {
1952 WMFW_ADSP2_XM, WMFW_HALO_XM_PACKED,
1953 WMFW_ADSP2_YM, WMFW_HALO_YM_PACKED
1955 __be32 bases[] = { xm_base, xm_base, ym_base, ym_base };
1957 return cs_dsp_create_regions(dsp, id, ver, ARRAY_SIZE(types), types, bases);
1960 static int cs_dsp_halo_setup_algs(struct cs_dsp *dsp)
1962 struct wmfw_halo_id_hdr halo_id;
1963 struct wmfw_halo_alg_hdr *halo_alg;
1964 const struct cs_dsp_region *mem;
1965 unsigned int pos, len;
1969 mem = cs_dsp_find_region(dsp, WMFW_ADSP2_XM);
1973 ret = regmap_raw_read(dsp->regmap, mem->base, &halo_id,
1976 cs_dsp_err(dsp, "Failed to read algorithm info: %d\n",
1981 n_algs = be32_to_cpu(halo_id.n_algs);
1983 cs_dsp_parse_wmfw_v3_id_header(dsp, &halo_id.fw, n_algs);
1985 ret = cs_dsp_halo_create_regions(dsp, halo_id.fw.id, halo_id.fw.ver,
1986 halo_id.xm_base, halo_id.ym_base);
1990 /* Calculate offset and length in DSP words */
1991 pos = sizeof(halo_id) / sizeof(u32);
1992 len = (sizeof(*halo_alg) * n_algs) / sizeof(u32);
1994 halo_alg = cs_dsp_read_algs(dsp, n_algs, mem, pos, len);
1995 if (IS_ERR(halo_alg))
1996 return PTR_ERR(halo_alg);
1998 for (i = 0; i < n_algs; i++) {
2000 "%d: ID %x v%d.%d.%d XM@%x YM@%x\n",
2001 i, be32_to_cpu(halo_alg[i].alg.id),
2002 (be32_to_cpu(halo_alg[i].alg.ver) & 0xff0000) >> 16,
2003 (be32_to_cpu(halo_alg[i].alg.ver) & 0xff00) >> 8,
2004 be32_to_cpu(halo_alg[i].alg.ver) & 0xff,
2005 be32_to_cpu(halo_alg[i].xm_base),
2006 be32_to_cpu(halo_alg[i].ym_base));
2008 ret = cs_dsp_halo_create_regions(dsp, halo_alg[i].alg.id,
2009 halo_alg[i].alg.ver,
2010 halo_alg[i].xm_base,
2011 halo_alg[i].ym_base);
2021 static int cs_dsp_load_coeff(struct cs_dsp *dsp, const struct firmware *firmware,
2024 LIST_HEAD(buf_list);
2025 struct regmap *regmap = dsp->regmap;
2026 struct wmfw_coeff_hdr *hdr;
2027 struct wmfw_coeff_item *blk;
2028 const struct cs_dsp_region *mem;
2029 struct cs_dsp_alg_region *alg_region;
2030 const char *region_name;
2031 int ret, pos, blocks, type, offset, reg, version;
2033 struct cs_dsp_buf *buf;
2040 if (sizeof(*hdr) >= firmware->size) {
2041 cs_dsp_err(dsp, "%s: coefficient file too short, %zu bytes\n",
2042 file, firmware->size);
2046 hdr = (void *)&firmware->data[0];
2047 if (memcmp(hdr->magic, "WMDR", 4) != 0) {
2048 cs_dsp_err(dsp, "%s: invalid coefficient magic\n", file);
2052 switch (be32_to_cpu(hdr->rev) & 0xff) {
2057 cs_dsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
2058 file, be32_to_cpu(hdr->rev) & 0xff);
2063 cs_dsp_info(dsp, "%s: v%d.%d.%d\n", file,
2064 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
2065 (le32_to_cpu(hdr->ver) >> 8) & 0xff,
2066 le32_to_cpu(hdr->ver) & 0xff);
2068 pos = le32_to_cpu(hdr->len);
2071 while (pos < firmware->size &&
2072 sizeof(*blk) < firmware->size - pos) {
2073 blk = (void *)(&firmware->data[pos]);
2075 type = le16_to_cpu(blk->type);
2076 offset = le16_to_cpu(blk->offset);
2077 version = le32_to_cpu(blk->ver) >> 8;
2079 cs_dsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
2080 file, blocks, le32_to_cpu(blk->id),
2081 (le32_to_cpu(blk->ver) >> 16) & 0xff,
2082 (le32_to_cpu(blk->ver) >> 8) & 0xff,
2083 le32_to_cpu(blk->ver) & 0xff);
2084 cs_dsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
2085 file, blocks, le32_to_cpu(blk->len), offset, type);
2088 region_name = "Unknown";
2090 case (WMFW_NAME_TEXT << 8):
2091 text = kzalloc(le32_to_cpu(blk->len) + 1, GFP_KERNEL);
2093 case (WMFW_INFO_TEXT << 8):
2094 case (WMFW_METADATA << 8):
2096 case (WMFW_ABSOLUTE << 8):
2098 * Old files may use this for global
2101 if (le32_to_cpu(blk->id) == dsp->fw_id &&
2103 region_name = "global coefficients";
2104 mem = cs_dsp_find_region(dsp, type);
2106 cs_dsp_err(dsp, "No ZM\n");
2109 reg = dsp->ops->region_to_reg(mem, 0);
2112 region_name = "register";
2121 case WMFW_HALO_XM_PACKED:
2122 case WMFW_HALO_YM_PACKED:
2123 case WMFW_HALO_PM_PACKED:
2124 cs_dsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
2125 file, blocks, le32_to_cpu(blk->len),
2126 type, le32_to_cpu(blk->id));
2128 region_name = cs_dsp_mem_region_name(type);
2129 mem = cs_dsp_find_region(dsp, type);
2131 cs_dsp_err(dsp, "No base for region %x\n", type);
2135 alg_region = cs_dsp_find_alg_region(dsp, type,
2136 le32_to_cpu(blk->id));
2138 if (version != alg_region->ver)
2140 "Algorithm coefficient version %d.%d.%d but expected %d.%d.%d\n",
2141 (version >> 16) & 0xFF,
2142 (version >> 8) & 0xFF,
2144 (alg_region->ver >> 16) & 0xFF,
2145 (alg_region->ver >> 8) & 0xFF,
2146 alg_region->ver & 0xFF);
2148 reg = alg_region->base;
2149 reg = dsp->ops->region_to_reg(mem, reg);
2152 cs_dsp_err(dsp, "No %s for algorithm %x\n",
2153 region_name, le32_to_cpu(blk->id));
2158 cs_dsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
2159 file, blocks, type, pos);
2164 memcpy(text, blk->data, le32_to_cpu(blk->len));
2165 cs_dsp_info(dsp, "%s: %s\n", dsp->fw_name, text);
2171 if (le32_to_cpu(blk->len) >
2172 firmware->size - pos - sizeof(*blk)) {
2174 "%s.%d: %s region len %d bytes exceeds file length %zu\n",
2175 file, blocks, region_name,
2176 le32_to_cpu(blk->len),
2182 buf = cs_dsp_buf_alloc(blk->data,
2183 le32_to_cpu(blk->len),
2186 cs_dsp_err(dsp, "Out of memory\n");
2191 cs_dsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
2192 file, blocks, le32_to_cpu(blk->len),
2194 ret = regmap_raw_write_async(regmap, reg, buf->buf,
2195 le32_to_cpu(blk->len));
2198 "%s.%d: Failed to write to %x in %s: %d\n",
2199 file, blocks, reg, region_name, ret);
2203 pos += (le32_to_cpu(blk->len) + sizeof(*blk) + 3) & ~0x03;
2207 ret = regmap_async_complete(regmap);
2209 cs_dsp_err(dsp, "Failed to complete async write: %d\n", ret);
2211 if (pos > firmware->size)
2212 cs_dsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
2213 file, blocks, pos - firmware->size);
2215 cs_dsp_debugfs_save_binname(dsp, file);
2218 regmap_async_complete(regmap);
2219 cs_dsp_buf_free(&buf_list);
2224 static int cs_dsp_create_name(struct cs_dsp *dsp)
2227 dsp->name = devm_kasprintf(dsp->dev, GFP_KERNEL, "DSP%d",
2236 static int cs_dsp_common_init(struct cs_dsp *dsp)
2240 ret = cs_dsp_create_name(dsp);
2244 INIT_LIST_HEAD(&dsp->alg_regions);
2245 INIT_LIST_HEAD(&dsp->ctl_list);
2247 mutex_init(&dsp->pwr_lock);
2253 * cs_dsp_adsp1_init() - Initialise a cs_dsp structure representing a ADSP1 device
2254 * @dsp: pointer to DSP structure
2256 * Return: Zero for success, a negative number on error.
2258 int cs_dsp_adsp1_init(struct cs_dsp *dsp)
2260 dsp->ops = &cs_dsp_adsp1_ops;
2262 return cs_dsp_common_init(dsp);
2264 EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp1_init, FW_CS_DSP);
2267 * cs_dsp_adsp1_power_up() - Load and start the named firmware
2268 * @dsp: pointer to DSP structure
2269 * @wmfw_firmware: the firmware to be sent
2270 * @wmfw_filename: file name of firmware to be sent
2271 * @coeff_firmware: the coefficient data to be sent
2272 * @coeff_filename: file name of coefficient to data be sent
2273 * @fw_name: the user-friendly firmware name
2275 * Return: Zero for success, a negative number on error.
2277 int cs_dsp_adsp1_power_up(struct cs_dsp *dsp,
2278 const struct firmware *wmfw_firmware, char *wmfw_filename,
2279 const struct firmware *coeff_firmware, char *coeff_filename,
2280 const char *fw_name)
2285 mutex_lock(&dsp->pwr_lock);
2287 dsp->fw_name = fw_name;
2289 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2290 ADSP1_SYS_ENA, ADSP1_SYS_ENA);
2293 * For simplicity set the DSP clock rate to be the
2294 * SYSCLK rate rather than making it configurable.
2296 if (dsp->sysclk_reg) {
2297 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
2299 cs_dsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret);
2303 val = (val & dsp->sysclk_mask) >> dsp->sysclk_shift;
2305 ret = regmap_update_bits(dsp->regmap,
2306 dsp->base + ADSP1_CONTROL_31,
2307 ADSP1_CLK_SEL_MASK, val);
2309 cs_dsp_err(dsp, "Failed to set clock rate: %d\n", ret);
2314 ret = cs_dsp_load(dsp, wmfw_firmware, wmfw_filename);
2318 ret = cs_dsp_adsp1_setup_algs(dsp);
2322 ret = cs_dsp_load_coeff(dsp, coeff_firmware, coeff_filename);
2326 /* Initialize caches for enabled and unset controls */
2327 ret = cs_dsp_coeff_init_control_caches(dsp);
2331 /* Sync set controls */
2332 ret = cs_dsp_coeff_sync_controls(dsp);
2338 /* Start the core running */
2339 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2340 ADSP1_CORE_ENA | ADSP1_START,
2341 ADSP1_CORE_ENA | ADSP1_START);
2343 dsp->running = true;
2345 mutex_unlock(&dsp->pwr_lock);
2350 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2353 mutex_unlock(&dsp->pwr_lock);
2356 EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp1_power_up, FW_CS_DSP);
2359 * cs_dsp_adsp1_power_down() - Halts the DSP
2360 * @dsp: pointer to DSP structure
2362 void cs_dsp_adsp1_power_down(struct cs_dsp *dsp)
2364 struct cs_dsp_coeff_ctl *ctl;
2366 mutex_lock(&dsp->pwr_lock);
2368 dsp->running = false;
2369 dsp->booted = false;
2372 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2373 ADSP1_CORE_ENA | ADSP1_START, 0);
2375 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
2376 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
2378 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2381 list_for_each_entry(ctl, &dsp->ctl_list, list)
2384 cs_dsp_free_alg_regions(dsp);
2386 mutex_unlock(&dsp->pwr_lock);
2388 EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp1_power_down, FW_CS_DSP);
2390 static int cs_dsp_adsp2v2_enable_core(struct cs_dsp *dsp)
2395 /* Wait for the RAM to start, should be near instantaneous */
2396 for (count = 0; count < 10; ++count) {
2397 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1, &val);
2401 if (val & ADSP2_RAM_RDY)
2404 usleep_range(250, 500);
2407 if (!(val & ADSP2_RAM_RDY)) {
2408 cs_dsp_err(dsp, "Failed to start DSP RAM\n");
2412 cs_dsp_dbg(dsp, "RAM ready after %d polls\n", count);
2417 static int cs_dsp_adsp2_enable_core(struct cs_dsp *dsp)
2421 ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
2422 ADSP2_SYS_ENA, ADSP2_SYS_ENA);
2426 return cs_dsp_adsp2v2_enable_core(dsp);
2429 static int cs_dsp_adsp2_lock(struct cs_dsp *dsp, unsigned int lock_regions)
2431 struct regmap *regmap = dsp->regmap;
2432 unsigned int code0, code1, lock_reg;
2434 if (!(lock_regions & CS_ADSP2_REGION_ALL))
2437 lock_regions &= CS_ADSP2_REGION_ALL;
2438 lock_reg = dsp->base + ADSP2_LOCK_REGION_1_LOCK_REGION_0;
2440 while (lock_regions) {
2442 if (lock_regions & BIT(0)) {
2443 code0 = ADSP2_LOCK_CODE_0;
2444 code1 = ADSP2_LOCK_CODE_1;
2446 if (lock_regions & BIT(1)) {
2447 code0 |= ADSP2_LOCK_CODE_0 << ADSP2_LOCK_REGION_SHIFT;
2448 code1 |= ADSP2_LOCK_CODE_1 << ADSP2_LOCK_REGION_SHIFT;
2450 regmap_write(regmap, lock_reg, code0);
2451 regmap_write(regmap, lock_reg, code1);
2459 static int cs_dsp_adsp2_enable_memory(struct cs_dsp *dsp)
2461 return regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2462 ADSP2_MEM_ENA, ADSP2_MEM_ENA);
2465 static void cs_dsp_adsp2_disable_memory(struct cs_dsp *dsp)
2467 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2471 static void cs_dsp_adsp2_disable_core(struct cs_dsp *dsp)
2473 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
2474 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
2475 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
2477 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2481 static void cs_dsp_adsp2v2_disable_core(struct cs_dsp *dsp)
2483 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
2484 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
2485 regmap_write(dsp->regmap, dsp->base + ADSP2V2_WDMA_CONFIG_2, 0);
2488 static int cs_dsp_halo_configure_mpu(struct cs_dsp *dsp, unsigned int lock_regions)
2490 struct reg_sequence config[] = {
2491 { dsp->base + HALO_MPU_LOCK_CONFIG, 0x5555 },
2492 { dsp->base + HALO_MPU_LOCK_CONFIG, 0xAAAA },
2493 { dsp->base + HALO_MPU_XMEM_ACCESS_0, 0xFFFFFFFF },
2494 { dsp->base + HALO_MPU_YMEM_ACCESS_0, 0xFFFFFFFF },
2495 { dsp->base + HALO_MPU_WINDOW_ACCESS_0, lock_regions },
2496 { dsp->base + HALO_MPU_XREG_ACCESS_0, lock_regions },
2497 { dsp->base + HALO_MPU_YREG_ACCESS_0, lock_regions },
2498 { dsp->base + HALO_MPU_XMEM_ACCESS_1, 0xFFFFFFFF },
2499 { dsp->base + HALO_MPU_YMEM_ACCESS_1, 0xFFFFFFFF },
2500 { dsp->base + HALO_MPU_WINDOW_ACCESS_1, lock_regions },
2501 { dsp->base + HALO_MPU_XREG_ACCESS_1, lock_regions },
2502 { dsp->base + HALO_MPU_YREG_ACCESS_1, lock_regions },
2503 { dsp->base + HALO_MPU_XMEM_ACCESS_2, 0xFFFFFFFF },
2504 { dsp->base + HALO_MPU_YMEM_ACCESS_2, 0xFFFFFFFF },
2505 { dsp->base + HALO_MPU_WINDOW_ACCESS_2, lock_regions },
2506 { dsp->base + HALO_MPU_XREG_ACCESS_2, lock_regions },
2507 { dsp->base + HALO_MPU_YREG_ACCESS_2, lock_regions },
2508 { dsp->base + HALO_MPU_XMEM_ACCESS_3, 0xFFFFFFFF },
2509 { dsp->base + HALO_MPU_YMEM_ACCESS_3, 0xFFFFFFFF },
2510 { dsp->base + HALO_MPU_WINDOW_ACCESS_3, lock_regions },
2511 { dsp->base + HALO_MPU_XREG_ACCESS_3, lock_regions },
2512 { dsp->base + HALO_MPU_YREG_ACCESS_3, lock_regions },
2513 { dsp->base + HALO_MPU_LOCK_CONFIG, 0 },
2516 return regmap_multi_reg_write(dsp->regmap, config, ARRAY_SIZE(config));
2520 * cs_dsp_set_dspclk() - Applies the given frequency to the given cs_dsp
2521 * @dsp: pointer to DSP structure
2522 * @freq: clock rate to set
2524 * This is only for use on ADSP2 cores.
2526 * Return: Zero for success, a negative number on error.
2528 int cs_dsp_set_dspclk(struct cs_dsp *dsp, unsigned int freq)
2532 ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CLOCKING,
2534 freq << ADSP2_CLK_SEL_SHIFT);
2536 cs_dsp_err(dsp, "Failed to set clock rate: %d\n", ret);
2540 EXPORT_SYMBOL_NS_GPL(cs_dsp_set_dspclk, FW_CS_DSP);
2542 static void cs_dsp_stop_watchdog(struct cs_dsp *dsp)
2544 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_WATCHDOG,
2545 ADSP2_WDT_ENA_MASK, 0);
2548 static void cs_dsp_halo_stop_watchdog(struct cs_dsp *dsp)
2550 regmap_update_bits(dsp->regmap, dsp->base + HALO_WDT_CONTROL,
2551 HALO_WDT_EN_MASK, 0);
2555 * cs_dsp_power_up() - Downloads firmware to the DSP
2556 * @dsp: pointer to DSP structure
2557 * @wmfw_firmware: the firmware to be sent
2558 * @wmfw_filename: file name of firmware to be sent
2559 * @coeff_firmware: the coefficient data to be sent
2560 * @coeff_filename: file name of coefficient to data be sent
2561 * @fw_name: the user-friendly firmware name
2563 * This function is used on ADSP2 and Halo DSP cores, it powers-up the DSP core
2564 * and downloads the firmware but does not start the firmware running. The
2565 * cs_dsp booted flag will be set once completed and if the core has a low-power
2566 * memory retention mode it will be put into this state after the firmware is
2569 * Return: Zero for success, a negative number on error.
2571 int cs_dsp_power_up(struct cs_dsp *dsp,
2572 const struct firmware *wmfw_firmware, char *wmfw_filename,
2573 const struct firmware *coeff_firmware, char *coeff_filename,
2574 const char *fw_name)
2578 mutex_lock(&dsp->pwr_lock);
2580 dsp->fw_name = fw_name;
2582 if (dsp->ops->enable_memory) {
2583 ret = dsp->ops->enable_memory(dsp);
2588 if (dsp->ops->enable_core) {
2589 ret = dsp->ops->enable_core(dsp);
2594 ret = cs_dsp_load(dsp, wmfw_firmware, wmfw_filename);
2598 ret = dsp->ops->setup_algs(dsp);
2602 ret = cs_dsp_load_coeff(dsp, coeff_firmware, coeff_filename);
2606 /* Initialize caches for enabled and unset controls */
2607 ret = cs_dsp_coeff_init_control_caches(dsp);
2611 if (dsp->ops->disable_core)
2612 dsp->ops->disable_core(dsp);
2616 mutex_unlock(&dsp->pwr_lock);
2620 if (dsp->ops->disable_core)
2621 dsp->ops->disable_core(dsp);
2623 if (dsp->ops->disable_memory)
2624 dsp->ops->disable_memory(dsp);
2626 mutex_unlock(&dsp->pwr_lock);
2630 EXPORT_SYMBOL_NS_GPL(cs_dsp_power_up, FW_CS_DSP);
2633 * cs_dsp_power_down() - Powers-down the DSP
2634 * @dsp: pointer to DSP structure
2636 * cs_dsp_stop() must have been called before this function. The core will be
2637 * fully powered down and so the memory will not be retained.
2639 void cs_dsp_power_down(struct cs_dsp *dsp)
2641 struct cs_dsp_coeff_ctl *ctl;
2643 mutex_lock(&dsp->pwr_lock);
2645 cs_dsp_debugfs_clear(dsp);
2648 dsp->fw_id_version = 0;
2650 dsp->booted = false;
2652 if (dsp->ops->disable_memory)
2653 dsp->ops->disable_memory(dsp);
2655 list_for_each_entry(ctl, &dsp->ctl_list, list)
2658 cs_dsp_free_alg_regions(dsp);
2660 mutex_unlock(&dsp->pwr_lock);
2662 cs_dsp_dbg(dsp, "Shutdown complete\n");
2664 EXPORT_SYMBOL_NS_GPL(cs_dsp_power_down, FW_CS_DSP);
2666 static int cs_dsp_adsp2_start_core(struct cs_dsp *dsp)
2668 return regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2669 ADSP2_CORE_ENA | ADSP2_START,
2670 ADSP2_CORE_ENA | ADSP2_START);
2673 static void cs_dsp_adsp2_stop_core(struct cs_dsp *dsp)
2675 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2676 ADSP2_CORE_ENA | ADSP2_START, 0);
2680 * cs_dsp_run() - Starts the firmware running
2681 * @dsp: pointer to DSP structure
2683 * cs_dsp_power_up() must have previously been called successfully.
2685 * Return: Zero for success, a negative number on error.
2687 int cs_dsp_run(struct cs_dsp *dsp)
2691 mutex_lock(&dsp->pwr_lock);
2698 if (dsp->ops->enable_core) {
2699 ret = dsp->ops->enable_core(dsp);
2704 if (dsp->client_ops->pre_run) {
2705 ret = dsp->client_ops->pre_run(dsp);
2710 /* Sync set controls */
2711 ret = cs_dsp_coeff_sync_controls(dsp);
2715 if (dsp->ops->lock_memory) {
2716 ret = dsp->ops->lock_memory(dsp, dsp->lock_regions);
2718 cs_dsp_err(dsp, "Error configuring MPU: %d\n", ret);
2723 if (dsp->ops->start_core) {
2724 ret = dsp->ops->start_core(dsp);
2729 dsp->running = true;
2731 if (dsp->client_ops->post_run) {
2732 ret = dsp->client_ops->post_run(dsp);
2737 mutex_unlock(&dsp->pwr_lock);
2742 if (dsp->ops->stop_core)
2743 dsp->ops->stop_core(dsp);
2744 if (dsp->ops->disable_core)
2745 dsp->ops->disable_core(dsp);
2746 mutex_unlock(&dsp->pwr_lock);
2750 EXPORT_SYMBOL_NS_GPL(cs_dsp_run, FW_CS_DSP);
2753 * cs_dsp_stop() - Stops the firmware
2754 * @dsp: pointer to DSP structure
2756 * Memory will not be disabled so firmware will remain loaded.
2758 void cs_dsp_stop(struct cs_dsp *dsp)
2760 /* Tell the firmware to cleanup */
2761 cs_dsp_signal_event_controls(dsp, CS_DSP_FW_EVENT_SHUTDOWN);
2763 if (dsp->ops->stop_watchdog)
2764 dsp->ops->stop_watchdog(dsp);
2766 /* Log firmware state, it can be useful for analysis */
2767 if (dsp->ops->show_fw_status)
2768 dsp->ops->show_fw_status(dsp);
2770 mutex_lock(&dsp->pwr_lock);
2772 if (dsp->client_ops->pre_stop)
2773 dsp->client_ops->pre_stop(dsp);
2775 dsp->running = false;
2777 if (dsp->ops->stop_core)
2778 dsp->ops->stop_core(dsp);
2779 if (dsp->ops->disable_core)
2780 dsp->ops->disable_core(dsp);
2782 if (dsp->client_ops->post_stop)
2783 dsp->client_ops->post_stop(dsp);
2785 mutex_unlock(&dsp->pwr_lock);
2787 cs_dsp_dbg(dsp, "Execution stopped\n");
2789 EXPORT_SYMBOL_NS_GPL(cs_dsp_stop, FW_CS_DSP);
2791 static int cs_dsp_halo_start_core(struct cs_dsp *dsp)
2795 ret = regmap_update_bits(dsp->regmap, dsp->base + HALO_CCM_CORE_CONTROL,
2796 HALO_CORE_RESET | HALO_CORE_EN,
2797 HALO_CORE_RESET | HALO_CORE_EN);
2801 return regmap_update_bits(dsp->regmap, dsp->base + HALO_CCM_CORE_CONTROL,
2802 HALO_CORE_RESET, 0);
2805 static void cs_dsp_halo_stop_core(struct cs_dsp *dsp)
2807 regmap_update_bits(dsp->regmap, dsp->base + HALO_CCM_CORE_CONTROL,
2810 /* reset halo core with CORE_SOFT_RESET */
2811 regmap_update_bits(dsp->regmap, dsp->base + HALO_CORE_SOFT_RESET,
2812 HALO_CORE_SOFT_RESET_MASK, 1);
2816 * cs_dsp_adsp2_init() - Initialise a cs_dsp structure representing a ADSP2 core
2817 * @dsp: pointer to DSP structure
2819 * Return: Zero for success, a negative number on error.
2821 int cs_dsp_adsp2_init(struct cs_dsp *dsp)
2828 * Disable the DSP memory by default when in reset for a small
2831 ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2835 "Failed to clear memory retention: %d\n", ret);
2839 dsp->ops = &cs_dsp_adsp2_ops[0];
2842 dsp->ops = &cs_dsp_adsp2_ops[1];
2845 dsp->ops = &cs_dsp_adsp2_ops[2];
2849 return cs_dsp_common_init(dsp);
2851 EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp2_init, FW_CS_DSP);
2854 * cs_dsp_halo_init() - Initialise a cs_dsp structure representing a HALO Core DSP
2855 * @dsp: pointer to DSP structure
2857 * Return: Zero for success, a negative number on error.
2859 int cs_dsp_halo_init(struct cs_dsp *dsp)
2861 if (dsp->no_core_startstop)
2862 dsp->ops = &cs_dsp_halo_ao_ops;
2864 dsp->ops = &cs_dsp_halo_ops;
2866 return cs_dsp_common_init(dsp);
2868 EXPORT_SYMBOL_NS_GPL(cs_dsp_halo_init, FW_CS_DSP);
2871 * cs_dsp_remove() - Clean a cs_dsp before deletion
2872 * @dsp: pointer to DSP structure
2874 void cs_dsp_remove(struct cs_dsp *dsp)
2876 struct cs_dsp_coeff_ctl *ctl;
2878 while (!list_empty(&dsp->ctl_list)) {
2879 ctl = list_first_entry(&dsp->ctl_list, struct cs_dsp_coeff_ctl, list);
2881 if (dsp->client_ops->control_remove)
2882 dsp->client_ops->control_remove(ctl);
2884 list_del(&ctl->list);
2885 cs_dsp_free_ctl_blk(ctl);
2888 EXPORT_SYMBOL_NS_GPL(cs_dsp_remove, FW_CS_DSP);
2891 * cs_dsp_read_raw_data_block() - Reads a block of data from DSP memory
2892 * @dsp: pointer to DSP structure
2893 * @mem_type: the type of DSP memory containing the data to be read
2894 * @mem_addr: the address of the data within the memory region
2895 * @num_words: the length of the data to read
2896 * @data: a buffer to store the fetched data
2898 * If this is used to read unpacked 24-bit memory, each 24-bit DSP word will
2899 * occupy 32-bits in data (MSbyte will be 0). This padding can be removed using
2900 * cs_dsp_remove_padding()
2902 * Return: Zero for success, a negative number on error.
2904 int cs_dsp_read_raw_data_block(struct cs_dsp *dsp, int mem_type, unsigned int mem_addr,
2905 unsigned int num_words, __be32 *data)
2907 struct cs_dsp_region const *mem = cs_dsp_find_region(dsp, mem_type);
2911 lockdep_assert_held(&dsp->pwr_lock);
2916 reg = dsp->ops->region_to_reg(mem, mem_addr);
2918 ret = regmap_raw_read(dsp->regmap, reg, data,
2919 sizeof(*data) * num_words);
2925 EXPORT_SYMBOL_NS_GPL(cs_dsp_read_raw_data_block, FW_CS_DSP);
2928 * cs_dsp_read_data_word() - Reads a word from DSP memory
2929 * @dsp: pointer to DSP structure
2930 * @mem_type: the type of DSP memory containing the data to be read
2931 * @mem_addr: the address of the data within the memory region
2932 * @data: a buffer to store the fetched data
2934 * Return: Zero for success, a negative number on error.
2936 int cs_dsp_read_data_word(struct cs_dsp *dsp, int mem_type, unsigned int mem_addr, u32 *data)
2941 ret = cs_dsp_read_raw_data_block(dsp, mem_type, mem_addr, 1, &raw);
2945 *data = be32_to_cpu(raw) & 0x00ffffffu;
2949 EXPORT_SYMBOL_NS_GPL(cs_dsp_read_data_word, FW_CS_DSP);
2952 * cs_dsp_write_data_word() - Writes a word to DSP memory
2953 * @dsp: pointer to DSP structure
2954 * @mem_type: the type of DSP memory containing the data to be written
2955 * @mem_addr: the address of the data within the memory region
2956 * @data: the data to be written
2958 * Return: Zero for success, a negative number on error.
2960 int cs_dsp_write_data_word(struct cs_dsp *dsp, int mem_type, unsigned int mem_addr, u32 data)
2962 struct cs_dsp_region const *mem = cs_dsp_find_region(dsp, mem_type);
2963 __be32 val = cpu_to_be32(data & 0x00ffffffu);
2966 lockdep_assert_held(&dsp->pwr_lock);
2971 reg = dsp->ops->region_to_reg(mem, mem_addr);
2973 return regmap_raw_write(dsp->regmap, reg, &val, sizeof(val));
2975 EXPORT_SYMBOL_NS_GPL(cs_dsp_write_data_word, FW_CS_DSP);
2978 * cs_dsp_remove_padding() - Convert unpacked words to packed bytes
2979 * @buf: buffer containing DSP words read from DSP memory
2980 * @nwords: number of words to convert
2982 * DSP words from the register map have pad bytes and the data bytes
2983 * are in swapped order. This swaps to the native endian order and
2984 * strips the pad bytes.
2986 void cs_dsp_remove_padding(u32 *buf, int nwords)
2988 const __be32 *pack_in = (__be32 *)buf;
2989 u8 *pack_out = (u8 *)buf;
2992 for (i = 0; i < nwords; i++) {
2993 u32 word = be32_to_cpu(*pack_in++);
2994 *pack_out++ = (u8)word;
2995 *pack_out++ = (u8)(word >> 8);
2996 *pack_out++ = (u8)(word >> 16);
2999 EXPORT_SYMBOL_NS_GPL(cs_dsp_remove_padding, FW_CS_DSP);
3002 * cs_dsp_adsp2_bus_error() - Handle a DSP bus error interrupt
3003 * @dsp: pointer to DSP structure
3005 * The firmware and DSP state will be logged for future analysis.
3007 void cs_dsp_adsp2_bus_error(struct cs_dsp *dsp)
3010 struct regmap *regmap = dsp->regmap;
3013 mutex_lock(&dsp->pwr_lock);
3015 ret = regmap_read(regmap, dsp->base + ADSP2_LOCK_REGION_CTRL, &val);
3018 "Failed to read Region Lock Ctrl register: %d\n", ret);
3022 if (val & ADSP2_WDT_TIMEOUT_STS_MASK) {
3023 cs_dsp_err(dsp, "watchdog timeout error\n");
3024 dsp->ops->stop_watchdog(dsp);
3025 if (dsp->client_ops->watchdog_expired)
3026 dsp->client_ops->watchdog_expired(dsp);
3029 if (val & (ADSP2_ADDR_ERR_MASK | ADSP2_REGION_LOCK_ERR_MASK)) {
3030 if (val & ADSP2_ADDR_ERR_MASK)
3031 cs_dsp_err(dsp, "bus error: address error\n");
3033 cs_dsp_err(dsp, "bus error: region lock error\n");
3035 ret = regmap_read(regmap, dsp->base + ADSP2_BUS_ERR_ADDR, &val);
3038 "Failed to read Bus Err Addr register: %d\n",
3043 cs_dsp_err(dsp, "bus error address = 0x%x\n",
3044 val & ADSP2_BUS_ERR_ADDR_MASK);
3046 ret = regmap_read(regmap,
3047 dsp->base + ADSP2_PMEM_ERR_ADDR_XMEM_ERR_ADDR,
3051 "Failed to read Pmem Xmem Err Addr register: %d\n",
3056 cs_dsp_err(dsp, "xmem error address = 0x%x\n",
3057 val & ADSP2_XMEM_ERR_ADDR_MASK);
3058 cs_dsp_err(dsp, "pmem error address = 0x%x\n",
3059 (val & ADSP2_PMEM_ERR_ADDR_MASK) >>
3060 ADSP2_PMEM_ERR_ADDR_SHIFT);
3063 regmap_update_bits(regmap, dsp->base + ADSP2_LOCK_REGION_CTRL,
3064 ADSP2_CTRL_ERR_EINT, ADSP2_CTRL_ERR_EINT);
3067 mutex_unlock(&dsp->pwr_lock);
3069 EXPORT_SYMBOL_NS_GPL(cs_dsp_adsp2_bus_error, FW_CS_DSP);
3072 * cs_dsp_halo_bus_error() - Handle a DSP bus error interrupt
3073 * @dsp: pointer to DSP structure
3075 * The firmware and DSP state will be logged for future analysis.
3077 void cs_dsp_halo_bus_error(struct cs_dsp *dsp)
3079 struct regmap *regmap = dsp->regmap;
3080 unsigned int fault[6];
3081 struct reg_sequence clear[] = {
3082 { dsp->base + HALO_MPU_XM_VIO_STATUS, 0x0 },
3083 { dsp->base + HALO_MPU_YM_VIO_STATUS, 0x0 },
3084 { dsp->base + HALO_MPU_PM_VIO_STATUS, 0x0 },
3088 mutex_lock(&dsp->pwr_lock);
3090 ret = regmap_read(regmap, dsp->base_sysinfo + HALO_AHBM_WINDOW_DEBUG_1,
3093 cs_dsp_warn(dsp, "Failed to read AHB DEBUG_1: %d\n", ret);
3097 cs_dsp_warn(dsp, "AHB: STATUS: 0x%x ADDR: 0x%x\n",
3098 *fault & HALO_AHBM_FLAGS_ERR_MASK,
3099 (*fault & HALO_AHBM_CORE_ERR_ADDR_MASK) >>
3100 HALO_AHBM_CORE_ERR_ADDR_SHIFT);
3102 ret = regmap_read(regmap, dsp->base_sysinfo + HALO_AHBM_WINDOW_DEBUG_0,
3105 cs_dsp_warn(dsp, "Failed to read AHB DEBUG_0: %d\n", ret);
3109 cs_dsp_warn(dsp, "AHB: SYS_ADDR: 0x%x\n", *fault);
3111 ret = regmap_bulk_read(regmap, dsp->base + HALO_MPU_XM_VIO_ADDR,
3112 fault, ARRAY_SIZE(fault));
3114 cs_dsp_warn(dsp, "Failed to read MPU fault info: %d\n", ret);
3118 cs_dsp_warn(dsp, "XM: STATUS:0x%x ADDR:0x%x\n", fault[1], fault[0]);
3119 cs_dsp_warn(dsp, "YM: STATUS:0x%x ADDR:0x%x\n", fault[3], fault[2]);
3120 cs_dsp_warn(dsp, "PM: STATUS:0x%x ADDR:0x%x\n", fault[5], fault[4]);
3122 ret = regmap_multi_reg_write(dsp->regmap, clear, ARRAY_SIZE(clear));
3124 cs_dsp_warn(dsp, "Failed to clear MPU status: %d\n", ret);
3127 mutex_unlock(&dsp->pwr_lock);
3129 EXPORT_SYMBOL_NS_GPL(cs_dsp_halo_bus_error, FW_CS_DSP);
3132 * cs_dsp_halo_wdt_expire() - Handle DSP watchdog expiry
3133 * @dsp: pointer to DSP structure
3135 * This is logged for future analysis.
3137 void cs_dsp_halo_wdt_expire(struct cs_dsp *dsp)
3139 mutex_lock(&dsp->pwr_lock);
3141 cs_dsp_warn(dsp, "WDT Expiry Fault\n");
3143 dsp->ops->stop_watchdog(dsp);
3144 if (dsp->client_ops->watchdog_expired)
3145 dsp->client_ops->watchdog_expired(dsp);
3147 mutex_unlock(&dsp->pwr_lock);
3149 EXPORT_SYMBOL_NS_GPL(cs_dsp_halo_wdt_expire, FW_CS_DSP);
3151 static const struct cs_dsp_ops cs_dsp_adsp1_ops = {
3152 .validate_version = cs_dsp_validate_version,
3153 .parse_sizes = cs_dsp_adsp1_parse_sizes,
3154 .region_to_reg = cs_dsp_region_to_reg,
3157 static const struct cs_dsp_ops cs_dsp_adsp2_ops[] = {
3159 .parse_sizes = cs_dsp_adsp2_parse_sizes,
3160 .validate_version = cs_dsp_validate_version,
3161 .setup_algs = cs_dsp_adsp2_setup_algs,
3162 .region_to_reg = cs_dsp_region_to_reg,
3164 .show_fw_status = cs_dsp_adsp2_show_fw_status,
3166 .enable_memory = cs_dsp_adsp2_enable_memory,
3167 .disable_memory = cs_dsp_adsp2_disable_memory,
3169 .enable_core = cs_dsp_adsp2_enable_core,
3170 .disable_core = cs_dsp_adsp2_disable_core,
3172 .start_core = cs_dsp_adsp2_start_core,
3173 .stop_core = cs_dsp_adsp2_stop_core,
3177 .parse_sizes = cs_dsp_adsp2_parse_sizes,
3178 .validate_version = cs_dsp_validate_version,
3179 .setup_algs = cs_dsp_adsp2_setup_algs,
3180 .region_to_reg = cs_dsp_region_to_reg,
3182 .show_fw_status = cs_dsp_adsp2v2_show_fw_status,
3184 .enable_memory = cs_dsp_adsp2_enable_memory,
3185 .disable_memory = cs_dsp_adsp2_disable_memory,
3186 .lock_memory = cs_dsp_adsp2_lock,
3188 .enable_core = cs_dsp_adsp2v2_enable_core,
3189 .disable_core = cs_dsp_adsp2v2_disable_core,
3191 .start_core = cs_dsp_adsp2_start_core,
3192 .stop_core = cs_dsp_adsp2_stop_core,
3195 .parse_sizes = cs_dsp_adsp2_parse_sizes,
3196 .validate_version = cs_dsp_validate_version,
3197 .setup_algs = cs_dsp_adsp2_setup_algs,
3198 .region_to_reg = cs_dsp_region_to_reg,
3200 .show_fw_status = cs_dsp_adsp2v2_show_fw_status,
3201 .stop_watchdog = cs_dsp_stop_watchdog,
3203 .enable_memory = cs_dsp_adsp2_enable_memory,
3204 .disable_memory = cs_dsp_adsp2_disable_memory,
3205 .lock_memory = cs_dsp_adsp2_lock,
3207 .enable_core = cs_dsp_adsp2v2_enable_core,
3208 .disable_core = cs_dsp_adsp2v2_disable_core,
3210 .start_core = cs_dsp_adsp2_start_core,
3211 .stop_core = cs_dsp_adsp2_stop_core,
3215 static const struct cs_dsp_ops cs_dsp_halo_ops = {
3216 .parse_sizes = cs_dsp_adsp2_parse_sizes,
3217 .validate_version = cs_dsp_halo_validate_version,
3218 .setup_algs = cs_dsp_halo_setup_algs,
3219 .region_to_reg = cs_dsp_halo_region_to_reg,
3221 .show_fw_status = cs_dsp_halo_show_fw_status,
3222 .stop_watchdog = cs_dsp_halo_stop_watchdog,
3224 .lock_memory = cs_dsp_halo_configure_mpu,
3226 .start_core = cs_dsp_halo_start_core,
3227 .stop_core = cs_dsp_halo_stop_core,
3230 static const struct cs_dsp_ops cs_dsp_halo_ao_ops = {
3231 .parse_sizes = cs_dsp_adsp2_parse_sizes,
3232 .validate_version = cs_dsp_halo_validate_version,
3233 .setup_algs = cs_dsp_halo_setup_algs,
3234 .region_to_reg = cs_dsp_halo_region_to_reg,
3235 .show_fw_status = cs_dsp_halo_show_fw_status,
3239 * cs_dsp_chunk_write() - Format data to a DSP memory chunk
3240 * @ch: Pointer to the chunk structure
3241 * @nbits: Number of bits to write
3242 * @val: Value to write
3244 * This function sequentially writes values into the format required for DSP
3245 * memory, it handles both inserting of the padding bytes and converting to
3246 * big endian. Note that data is only committed to the chunk when a whole DSP
3247 * words worth of data is available.
3249 * Return: Zero for success, a negative number on error.
3251 int cs_dsp_chunk_write(struct cs_dsp_chunk *ch, int nbits, u32 val)
3255 nwrite = min(CS_DSP_DATA_WORD_BITS - ch->cachebits, nbits);
3257 ch->cache <<= nwrite;
3258 ch->cache |= val >> (nbits - nwrite);
3259 ch->cachebits += nwrite;
3262 if (ch->cachebits == CS_DSP_DATA_WORD_BITS) {
3263 if (cs_dsp_chunk_end(ch))
3266 ch->cache &= 0xFFFFFF;
3267 for (i = 0; i < sizeof(ch->cache); i++, ch->cache <<= BITS_PER_BYTE)
3268 *ch->data++ = (ch->cache & 0xFF000000) >> CS_DSP_DATA_WORD_BITS;
3270 ch->bytes += sizeof(ch->cache);
3275 return cs_dsp_chunk_write(ch, nbits, val);
3279 EXPORT_SYMBOL_NS_GPL(cs_dsp_chunk_write, FW_CS_DSP);
3282 * cs_dsp_chunk_flush() - Pad remaining data with zero and commit to chunk
3283 * @ch: Pointer to the chunk structure
3285 * As cs_dsp_chunk_write only writes data when a whole DSP word is ready to
3286 * be written out it is possible that some data will remain in the cache, this
3287 * function will pad that data with zeros upto a whole DSP word and write out.
3289 * Return: Zero for success, a negative number on error.
3291 int cs_dsp_chunk_flush(struct cs_dsp_chunk *ch)
3296 return cs_dsp_chunk_write(ch, CS_DSP_DATA_WORD_BITS - ch->cachebits, 0);
3298 EXPORT_SYMBOL_NS_GPL(cs_dsp_chunk_flush, FW_CS_DSP);
3301 * cs_dsp_chunk_read() - Parse data from a DSP memory chunk
3302 * @ch: Pointer to the chunk structure
3303 * @nbits: Number of bits to read
3305 * This function sequentially reads values from a DSP memory formatted buffer,
3306 * it handles both removing of the padding bytes and converting from big endian.
3308 * Return: A negative number is returned on error, otherwise the read value.
3310 int cs_dsp_chunk_read(struct cs_dsp_chunk *ch, int nbits)
3315 if (!ch->cachebits) {
3316 if (cs_dsp_chunk_end(ch))
3320 ch->cachebits = CS_DSP_DATA_WORD_BITS;
3322 for (i = 0; i < sizeof(ch->cache); i++, ch->cache <<= BITS_PER_BYTE)
3323 ch->cache |= *ch->data++;
3325 ch->bytes += sizeof(ch->cache);
3328 nread = min(ch->cachebits, nbits);
3331 result = ch->cache >> ((sizeof(ch->cache) * BITS_PER_BYTE) - nread);
3332 ch->cache <<= nread;
3333 ch->cachebits -= nread;
3336 result = (result << nbits) | cs_dsp_chunk_read(ch, nbits);
3340 EXPORT_SYMBOL_NS_GPL(cs_dsp_chunk_read, FW_CS_DSP);
3342 MODULE_DESCRIPTION("Cirrus Logic DSP Support");
3343 MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>");
3344 MODULE_LICENSE("GPL v2");