1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
|
/*
* Skylake SST DSP Support
*
* Copyright (C) 2014-15, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __SKL_SST_DSP_H__
#define __SKL_SST_DSP_H__
#include <linux/interrupt.h>
#include <linux/uuid.h>
#include <linux/firmware.h>
#include <sound/memalloc.h>
#include "skl-sst-cldma.h"
struct sst_dsp;
struct skl_sst;
struct sst_dsp_device;
struct skl_lib_info;
/* Intel HD Audio General DSP Registers */
#define SKL_ADSP_GEN_BASE 0x0
#define SKL_ADSP_REG_ADSPCS (SKL_ADSP_GEN_BASE + 0x04)
#define SKL_ADSP_REG_ADSPIC (SKL_ADSP_GEN_BASE + 0x08)
#define SKL_ADSP_REG_ADSPIS (SKL_ADSP_GEN_BASE + 0x0C)
#define SKL_ADSP_REG_ADSPIC2 (SKL_ADSP_GEN_BASE + 0x10)
#define SKL_ADSP_REG_ADSPIS2 (SKL_ADSP_GEN_BASE + 0x14)
/* Intel HD Audio Inter-Processor Communication Registers */
#define SKL_ADSP_IPC_BASE 0x40
#define SKL_ADSP_REG_HIPCT (SKL_ADSP_IPC_BASE + 0x00)
#define SKL_ADSP_REG_HIPCTE (SKL_ADSP_IPC_BASE + 0x04)
#define SKL_ADSP_REG_HIPCI (SKL_ADSP_IPC_BASE + 0x08)
#define SKL_ADSP_REG_HIPCIE (SKL_ADSP_IPC_BASE + 0x0C)
#define SKL_ADSP_REG_HIPCCTL (SKL_ADSP_IPC_BASE + 0x10)
/* HIPCI */
#define SKL_ADSP_REG_HIPCI_BUSY BIT(31)
/* HIPCIE */
#define SKL_ADSP_REG_HIPCIE_DONE BIT(30)
/* HIPCCTL */
#define SKL_ADSP_REG_HIPCCTL_DONE BIT(1)
#define SKL_ADSP_REG_HIPCCTL_BUSY BIT(0)
/* HIPCT */
#define SKL_ADSP_REG_HIPCT_BUSY BIT(31)
/* FW base IDs */
#define SKL_INSTANCE_ID 0
#define SKL_BASE_FW_MODULE_ID 0
/* Intel HD Audio SRAM Window 1 */
#define SKL_ADSP_SRAM1_BASE 0xA000
#define SKL_ADSP_MMIO_LEN 0x10000
#define SKL_ADSP_W0_STAT_SZ 0x1000
#define SKL_ADSP_W0_UP_SZ 0x1000
#define SKL_ADSP_W1_SZ 0x1000
#define SKL_FW_STS_MASK 0xf
#define SKL_FW_INIT 0x1
#define SKL_FW_RFW_START 0xf
#define SKL_ADSPIC_IPC 1
#define SKL_ADSPIS_IPC 1
/* Core ID of core0 */
#define SKL_DSP_CORE0_ID 0
/* Mask for a given core index, c = 0.. number of supported cores - 1 */
#define SKL_DSP_CORE_MASK(c) BIT(c)
/*
* Core 0 mask = SKL_DSP_CORE_MASK(0); Defined separately
* since Core0 is primary core and it is used often
*/
#define SKL_DSP_CORE0_MASK BIT(0)
/*
* Mask for a given number of cores
* nc = number of supported cores
*/
#define SKL_DSP_CORES_MASK(nc) GENMASK((nc - 1), 0)
/* ADSPCS - Audio DSP Control & Status */
/*
* Core Reset - asserted high
* CRST Mask for a given core mask pattern, cm
*/
#define SKL_ADSPCS_CRST_SHIFT 0
#define SKL_ADSPCS_CRST_MASK(cm) ((cm) << SKL_ADSPCS_CRST_SHIFT)
/*
* Core run/stall - when set to '1' core is stalled
* CSTALL Mask for a given core mask pattern, cm
*/
#define SKL_ADSPCS_CSTALL_SHIFT 8
#define SKL_ADSPCS_CSTALL_MASK(cm) ((cm) << SKL_ADSPCS_CSTALL_SHIFT)
/*
* Set Power Active - when set to '1' turn cores on
* SPA Mask for a given core mask pattern, cm
*/
#define SKL_ADSPCS_SPA_SHIFT 16
#define SKL_ADSPCS_SPA_MASK(cm) ((cm) << SKL_ADSPCS_SPA_SHIFT)
/*
* Current Power Active - power status of cores, set by hardware
* CPA Mask for a given core mask pattern, cm
*/
#define SKL_ADSPCS_CPA_SHIFT 24
#define SKL_ADSPCS_CPA_MASK(cm) ((cm) << SKL_ADSPCS_CPA_SHIFT)
/* DSP Core state */
enum skl_dsp_states {
SKL_DSP_RUNNING = 1,
/* Running in D0i3 state; can be in streaming or non-streaming D0i3 */
SKL_DSP_RUNNING_D0I3, /* Running in D0i3 state*/
SKL_DSP_RESET,
};
/* D0i3 substates */
enum skl_dsp_d0i3_states {
SKL_DSP_D0I3_NONE = -1, /* No D0i3 */
SKL_DSP_D0I3_NON_STREAMING = 0,
SKL_DSP_D0I3_STREAMING = 1,
};
struct skl_dsp_fw_ops {
int (*load_fw)(struct sst_dsp *ctx);
/* FW module parser/loader */
int (*load_library)(struct sst_dsp *ctx,
struct skl_lib_info *linfo, int lib_count);
int (*parse_fw)(struct sst_dsp *ctx);
int (*set_state_D0)(struct sst_dsp *ctx, unsigned int core_id);
int (*set_state_D3)(struct sst_dsp *ctx, unsigned int core_id);
int (*set_state_D0i3)(struct sst_dsp *ctx);
int (*set_state_D0i0)(struct sst_dsp *ctx);
unsigned int (*get_fw_errcode)(struct sst_dsp *ctx);
int (*load_mod)(struct sst_dsp *ctx, u16 mod_id, u8 *mod_name);
int (*unload_mod)(struct sst_dsp *ctx, u16 mod_id);
};
struct skl_dsp_loader_ops {
int stream_tag;
int (*alloc_dma_buf)(struct device *dev,
struct snd_dma_buffer *dmab, size_t size);
int (*free_dma_buf)(struct device *dev,
struct snd_dma_buffer *dmab);
int (*prepare)(struct device *dev, unsigned int format,
unsigned int byte_size,
struct snd_dma_buffer *bufp);
int (*trigger)(struct device *dev, bool start, int stream_tag);
int (*cleanup)(struct device *dev, struct snd_dma_buffer *dmab,
int stream_tag);
};
#define MAX_INSTANCE_BUFF 2
struct uuid_module {
uuid_le uuid;
int id;
int is_loadable;
int max_instance;
u64 pvt_id[MAX_INSTANCE_BUFF];
int *instance_id;
struct list_head list;
};
struct skl_load_module_info {
u16 mod_id;
const struct firmware *fw;
};
struct skl_module_table {
struct skl_load_module_info *mod_info;
unsigned int usage_cnt;
struct list_head list;
};
void skl_cldma_process_intr(struct sst_dsp *ctx);
void skl_cldma_int_disable(struct sst_dsp *ctx);
int skl_cldma_prepare(struct sst_dsp *ctx);
int skl_cldma_wait_interruptible(struct sst_dsp *ctx);
void skl_dsp_set_state_locked(struct sst_dsp *ctx, int state);
struct sst_dsp *skl_dsp_ctx_init(struct device *dev,
struct sst_dsp_device *sst_dev, int irq);
int skl_dsp_acquire_irq(struct sst_dsp *sst);
bool is_skl_dsp_running(struct sst_dsp *ctx);
unsigned int skl_dsp_get_enabled_cores(struct sst_dsp *ctx);
void skl_dsp_init_core_state(struct sst_dsp *ctx);
int skl_dsp_enable_core(struct sst_dsp *ctx, unsigned int core_mask);
int skl_dsp_disable_core(struct sst_dsp *ctx, unsigned int core_mask);
int skl_dsp_core_power_up(struct sst_dsp *ctx, unsigned int core_mask);
int skl_dsp_core_power_down(struct sst_dsp *ctx, unsigned int core_mask);
int skl_dsp_core_unset_reset_state(struct sst_dsp *ctx,
unsigned int core_mask);
int skl_dsp_start_core(struct sst_dsp *ctx, unsigned int core_mask);
irqreturn_t skl_dsp_sst_interrupt(int irq, void *dev_id);
int skl_dsp_wake(struct sst_dsp *ctx);
int skl_dsp_sleep(struct sst_dsp *ctx);
void skl_dsp_free(struct sst_dsp *dsp);
int skl_dsp_get_core(struct sst_dsp *ctx, unsigned int core_id);
int skl_dsp_put_core(struct sst_dsp *ctx, unsigned int core_id);
int skl_dsp_boot(struct sst_dsp *ctx);
int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
struct skl_sst **dsp);
int kbl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
struct skl_sst **dsp);
int bxt_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
struct skl_sst **dsp);
int skl_sst_init_fw(struct device *dev, struct skl_sst *ctx);
int bxt_sst_init_fw(struct device *dev, struct skl_sst *ctx);
void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx);
void bxt_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx);
int snd_skl_parse_uuids(struct sst_dsp *ctx, const struct firmware *fw,
unsigned int offset, int index);
int skl_get_pvt_id(struct skl_sst *ctx, uuid_le *uuid_mod, int instance_id);
int skl_put_pvt_id(struct skl_sst *ctx, uuid_le *uuid_mod, int *pvt_id);
int skl_get_pvt_instance_id_map(struct skl_sst *ctx,
int module_id, int instance_id);
void skl_freeup_uuid_list(struct skl_sst *ctx);
int skl_dsp_strip_extended_manifest(struct firmware *fw);
void skl_dsp_enable_notification(struct skl_sst *ctx, bool enable);
void skl_dsp_set_astate_cfg(struct skl_sst *ctx, u32 cnt, void *data);
int skl_sst_ctx_init(struct device *dev, int irq, const char *fw_name,
struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp,
struct sst_dsp_device *skl_dev);
int skl_prepare_lib_load(struct skl_sst *skl, struct skl_lib_info *linfo,
struct firmware *stripped_fw,
unsigned int hdr_offset, int index);
void skl_release_library(struct skl_lib_info *linfo, int lib_count);
#endif /*__SKL_SST_DSP_H__*/
|
