| .. | .. |
|---|
| 1 | +/* SPDX-License-Identifier: GPL-2.0-only */ |
|---|
| 1 | 2 | /* |
|---|
| 2 | 3 | * Intel Smart Sound Technology |
|---|
| 3 | 4 | * |
|---|
| 4 | 5 | * Copyright (C) 2013, Intel Corporation. All rights reserved. |
|---|
| 5 | | - * |
|---|
| 6 | | - * This program is free software; you can redistribute it and/or |
|---|
| 7 | | - * modify it under the terms of the GNU General Public License version |
|---|
| 8 | | - * 2 as published by the Free Software Foundation. |
|---|
| 9 | | - * |
|---|
| 10 | | - * This program is distributed in the hope that it will be useful, |
|---|
| 11 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 12 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|---|
| 13 | | - * GNU General Public License for more details. |
|---|
| 14 | | - * |
|---|
| 15 | 6 | */ |
|---|
| 16 | 7 | |
|---|
| 17 | 8 | #ifndef __SOUND_SOC_SST_DSP_PRIV_H |
|---|
| .. | .. |
|---|
| 24 | 15 | |
|---|
| 25 | 16 | #include "../skylake/skl-sst-dsp.h" |
|---|
| 26 | 17 | |
|---|
| 27 | | -struct sst_mem_block; |
|---|
| 28 | | -struct sst_module; |
|---|
| 29 | | -struct sst_fw; |
|---|
| 30 | | - |
|---|
| 31 | | -/* do we need to remove or keep */ |
|---|
| 32 | | -#define DSP_DRAM_ADDR_OFFSET 0x400000 |
|---|
| 33 | | - |
|---|
| 34 | 18 | /* |
|---|
| 35 | 19 | * DSP Operations exported by platform Audio DSP driver. |
|---|
| 36 | 20 | */ |
|---|
| 37 | 21 | struct sst_ops { |
|---|
| 38 | | - /* DSP core boot / reset */ |
|---|
| 39 | | - void (*boot)(struct sst_dsp *); |
|---|
| 40 | | - void (*reset)(struct sst_dsp *); |
|---|
| 41 | | - int (*wake)(struct sst_dsp *); |
|---|
| 42 | | - void (*sleep)(struct sst_dsp *); |
|---|
| 43 | | - void (*stall)(struct sst_dsp *); |
|---|
| 44 | | - |
|---|
| 45 | 22 | /* Shim IO */ |
|---|
| 46 | 23 | void (*write)(void __iomem *addr, u32 offset, u32 value); |
|---|
| 47 | 24 | u32 (*read)(void __iomem *addr, u32 offset); |
|---|
| 48 | | - void (*write64)(void __iomem *addr, u32 offset, u64 value); |
|---|
| 49 | | - u64 (*read64)(void __iomem *addr, u32 offset); |
|---|
| 50 | | - |
|---|
| 51 | | - /* DSP I/DRAM IO */ |
|---|
| 52 | | - void (*ram_read)(struct sst_dsp *sst, void *dest, void __iomem *src, |
|---|
| 53 | | - size_t bytes); |
|---|
| 54 | | - void (*ram_write)(struct sst_dsp *sst, void __iomem *dest, void *src, |
|---|
| 55 | | - size_t bytes); |
|---|
| 56 | | - |
|---|
| 57 | | - void (*dump)(struct sst_dsp *); |
|---|
| 58 | 25 | |
|---|
| 59 | 26 | /* IRQ handlers */ |
|---|
| 60 | 27 | irqreturn_t (*irq_handler)(int irq, void *context); |
|---|
| 61 | 28 | |
|---|
| 62 | 29 | /* SST init and free */ |
|---|
| 63 | | - int (*init)(struct sst_dsp *sst, struct sst_pdata *pdata); |
|---|
| 30 | + int (*init)(struct sst_dsp *sst); |
|---|
| 64 | 31 | void (*free)(struct sst_dsp *sst); |
|---|
| 65 | | - |
|---|
| 66 | | - /* FW module parser/loader */ |
|---|
| 67 | | - int (*parse_fw)(struct sst_fw *sst_fw); |
|---|
| 68 | 32 | }; |
|---|
| 69 | 33 | |
|---|
| 70 | 34 | /* |
|---|
| 71 | 35 | * Audio DSP memory offsets and addresses. |
|---|
| 72 | 36 | */ |
|---|
| 73 | 37 | struct sst_addr { |
|---|
| 74 | | - u32 lpe_base; |
|---|
| 75 | | - u32 shim_offset; |
|---|
| 76 | | - u32 iram_offset; |
|---|
| 77 | | - u32 dram_offset; |
|---|
| 78 | | - u32 dsp_iram_offset; |
|---|
| 79 | | - u32 dsp_dram_offset; |
|---|
| 80 | 38 | u32 sram0_base; |
|---|
| 81 | 39 | u32 sram1_base; |
|---|
| 82 | 40 | u32 w0_stat_sz; |
|---|
| 83 | 41 | u32 w0_up_sz; |
|---|
| 84 | 42 | void __iomem *lpe; |
|---|
| 85 | 43 | void __iomem *shim; |
|---|
| 86 | | - void __iomem *pci_cfg; |
|---|
| 87 | | - void __iomem *fw_ext; |
|---|
| 88 | 44 | }; |
|---|
| 89 | 45 | |
|---|
| 90 | 46 | /* |
|---|
| .. | .. |
|---|
| 95 | 51 | void __iomem *out_base; |
|---|
| 96 | 52 | size_t in_size; |
|---|
| 97 | 53 | size_t out_size; |
|---|
| 98 | | -}; |
|---|
| 99 | | - |
|---|
| 100 | | -/* |
|---|
| 101 | | - * Audio DSP memory block types. |
|---|
| 102 | | - */ |
|---|
| 103 | | -enum sst_mem_type { |
|---|
| 104 | | - SST_MEM_IRAM = 0, |
|---|
| 105 | | - SST_MEM_DRAM = 1, |
|---|
| 106 | | - SST_MEM_ANY = 2, |
|---|
| 107 | | - SST_MEM_CACHE= 3, |
|---|
| 108 | | -}; |
|---|
| 109 | | - |
|---|
| 110 | | -/* |
|---|
| 111 | | - * Audio DSP Generic Firmware File. |
|---|
| 112 | | - * |
|---|
| 113 | | - * SST Firmware files can consist of 1..N modules. This generic structure is |
|---|
| 114 | | - * used to manage each firmware file and it's modules regardless of SST firmware |
|---|
| 115 | | - * type. A SST driver may load multiple FW files. |
|---|
| 116 | | - */ |
|---|
| 117 | | -struct sst_fw { |
|---|
| 118 | | - struct sst_dsp *dsp; |
|---|
| 119 | | - |
|---|
| 120 | | - /* base addresses of FW file data */ |
|---|
| 121 | | - dma_addr_t dmable_fw_paddr; /* physical address of fw data */ |
|---|
| 122 | | - void *dma_buf; /* virtual address of fw data */ |
|---|
| 123 | | - u32 size; /* size of fw data */ |
|---|
| 124 | | - |
|---|
| 125 | | - /* lists */ |
|---|
| 126 | | - struct list_head list; /* DSP list of FW */ |
|---|
| 127 | | - struct list_head module_list; /* FW list of modules */ |
|---|
| 128 | | - |
|---|
| 129 | | - void *private; /* core doesn't touch this */ |
|---|
| 130 | | -}; |
|---|
| 131 | | - |
|---|
| 132 | | -/* |
|---|
| 133 | | - * Audio DSP Generic Module Template. |
|---|
| 134 | | - * |
|---|
| 135 | | - * Used to define and register a new FW module. This data is extracted from |
|---|
| 136 | | - * FW module header information. |
|---|
| 137 | | - */ |
|---|
| 138 | | -struct sst_module_template { |
|---|
| 139 | | - u32 id; |
|---|
| 140 | | - u32 entry; /* entry point */ |
|---|
| 141 | | - u32 scratch_size; |
|---|
| 142 | | - u32 persistent_size; |
|---|
| 143 | | -}; |
|---|
| 144 | | - |
|---|
| 145 | | -/* |
|---|
| 146 | | - * Block Allocator - Used to allocate blocks of DSP memory. |
|---|
| 147 | | - */ |
|---|
| 148 | | -struct sst_block_allocator { |
|---|
| 149 | | - u32 id; |
|---|
| 150 | | - u32 offset; |
|---|
| 151 | | - int size; |
|---|
| 152 | | - enum sst_mem_type type; |
|---|
| 153 | | -}; |
|---|
| 154 | | - |
|---|
| 155 | | -/* |
|---|
| 156 | | - * Runtime Module Instance - A module object can be instantiated multiple |
|---|
| 157 | | - * times within the DSP FW. |
|---|
| 158 | | - */ |
|---|
| 159 | | -struct sst_module_runtime { |
|---|
| 160 | | - struct sst_dsp *dsp; |
|---|
| 161 | | - int id; |
|---|
| 162 | | - struct sst_module *module; /* parent module we belong too */ |
|---|
| 163 | | - |
|---|
| 164 | | - u32 persistent_offset; /* private memory offset */ |
|---|
| 165 | | - void *private; |
|---|
| 166 | | - |
|---|
| 167 | | - struct list_head list; |
|---|
| 168 | | - struct list_head block_list; /* list of blocks used */ |
|---|
| 169 | | -}; |
|---|
| 170 | | - |
|---|
| 171 | | -/* |
|---|
| 172 | | - * Runtime Module Context - The runtime context must be manually stored by the |
|---|
| 173 | | - * driver prior to enter S3 and restored after leaving S3. This should really be |
|---|
| 174 | | - * part of the memory context saved by the enter D3 message IPC ??? |
|---|
| 175 | | - */ |
|---|
| 176 | | -struct sst_module_runtime_context { |
|---|
| 177 | | - dma_addr_t dma_buffer; |
|---|
| 178 | | - u32 *buffer; |
|---|
| 179 | | -}; |
|---|
| 180 | | - |
|---|
| 181 | | -/* |
|---|
| 182 | | - * Audio DSP Module State |
|---|
| 183 | | - */ |
|---|
| 184 | | -enum sst_module_state { |
|---|
| 185 | | - SST_MODULE_STATE_UNLOADED = 0, /* default state */ |
|---|
| 186 | | - SST_MODULE_STATE_LOADED, |
|---|
| 187 | | - SST_MODULE_STATE_INITIALIZED, /* and inactive */ |
|---|
| 188 | | - SST_MODULE_STATE_ACTIVE, |
|---|
| 189 | | -}; |
|---|
| 190 | | - |
|---|
| 191 | | -/* |
|---|
| 192 | | - * Audio DSP Generic Module. |
|---|
| 193 | | - * |
|---|
| 194 | | - * Each Firmware file can consist of 1..N modules. A module can span multiple |
|---|
| 195 | | - * ADSP memory blocks. The simplest FW will be a file with 1 module. A module |
|---|
| 196 | | - * can be instantiated multiple times in the DSP. |
|---|
| 197 | | - */ |
|---|
| 198 | | -struct sst_module { |
|---|
| 199 | | - struct sst_dsp *dsp; |
|---|
| 200 | | - struct sst_fw *sst_fw; /* parent FW we belong too */ |
|---|
| 201 | | - |
|---|
| 202 | | - /* module configuration */ |
|---|
| 203 | | - u32 id; |
|---|
| 204 | | - u32 entry; /* module entry point */ |
|---|
| 205 | | - s32 offset; /* module offset in firmware file */ |
|---|
| 206 | | - u32 size; /* module size */ |
|---|
| 207 | | - u32 scratch_size; /* global scratch memory required */ |
|---|
| 208 | | - u32 persistent_size; /* private memory required */ |
|---|
| 209 | | - enum sst_mem_type type; /* destination memory type */ |
|---|
| 210 | | - u32 data_offset; /* offset in ADSP memory space */ |
|---|
| 211 | | - void *data; /* module data */ |
|---|
| 212 | | - |
|---|
| 213 | | - /* runtime */ |
|---|
| 214 | | - u32 usage_count; /* can be unloaded if count == 0 */ |
|---|
| 215 | | - void *private; /* core doesn't touch this */ |
|---|
| 216 | | - |
|---|
| 217 | | - /* lists */ |
|---|
| 218 | | - struct list_head block_list; /* Module list of blocks in use */ |
|---|
| 219 | | - struct list_head list; /* DSP list of modules */ |
|---|
| 220 | | - struct list_head list_fw; /* FW list of modules */ |
|---|
| 221 | | - struct list_head runtime_list; /* list of runtime module objects*/ |
|---|
| 222 | | - |
|---|
| 223 | | - /* state */ |
|---|
| 224 | | - enum sst_module_state state; |
|---|
| 225 | | -}; |
|---|
| 226 | | - |
|---|
| 227 | | -/* |
|---|
| 228 | | - * SST Memory Block operations. |
|---|
| 229 | | - */ |
|---|
| 230 | | -struct sst_block_ops { |
|---|
| 231 | | - int (*enable)(struct sst_mem_block *block); |
|---|
| 232 | | - int (*disable)(struct sst_mem_block *block); |
|---|
| 233 | | -}; |
|---|
| 234 | | - |
|---|
| 235 | | -/* |
|---|
| 236 | | - * SST Generic Memory Block. |
|---|
| 237 | | - * |
|---|
| 238 | | - * SST ADP memory has multiple IRAM and DRAM blocks. Some ADSP blocks can be |
|---|
| 239 | | - * power gated. |
|---|
| 240 | | - */ |
|---|
| 241 | | -struct sst_mem_block { |
|---|
| 242 | | - struct sst_dsp *dsp; |
|---|
| 243 | | - struct sst_module *module; /* module that uses this block */ |
|---|
| 244 | | - |
|---|
| 245 | | - /* block config */ |
|---|
| 246 | | - u32 offset; /* offset from base */ |
|---|
| 247 | | - u32 size; /* block size */ |
|---|
| 248 | | - u32 index; /* block index 0..N */ |
|---|
| 249 | | - enum sst_mem_type type; /* block memory type IRAM/DRAM */ |
|---|
| 250 | | - const struct sst_block_ops *ops;/* block operations, if any */ |
|---|
| 251 | | - |
|---|
| 252 | | - /* block status */ |
|---|
| 253 | | - u32 bytes_used; /* bytes in use by modules */ |
|---|
| 254 | | - void *private; /* generic core does not touch this */ |
|---|
| 255 | | - int users; /* number of modules using this block */ |
|---|
| 256 | | - |
|---|
| 257 | | - /* block lists */ |
|---|
| 258 | | - struct list_head module_list; /* Module list of blocks */ |
|---|
| 259 | | - struct list_head list; /* Map list of free/used blocks */ |
|---|
| 260 | 54 | }; |
|---|
| 261 | 55 | |
|---|
| 262 | 56 | /* |
|---|
| .. | .. |
|---|
| 271 | 65 | spinlock_t spinlock; /* IPC locking */ |
|---|
| 272 | 66 | struct mutex mutex; /* DSP FW lock */ |
|---|
| 273 | 67 | struct device *dev; |
|---|
| 274 | | - struct device *dma_dev; |
|---|
| 275 | 68 | void *thread_context; |
|---|
| 276 | 69 | int irq; |
|---|
| 277 | 70 | u32 id; |
|---|
| .. | .. |
|---|
| 288 | 81 | /* mailbox */ |
|---|
| 289 | 82 | struct sst_mailbox mailbox; |
|---|
| 290 | 83 | |
|---|
| 291 | | - /* HSW/Byt data */ |
|---|
| 292 | | - |
|---|
| 293 | | - /* list of free and used ADSP memory blocks */ |
|---|
| 294 | | - struct list_head used_block_list; |
|---|
| 295 | | - struct list_head free_block_list; |
|---|
| 296 | | - |
|---|
| 297 | 84 | /* SST FW files loaded and their modules */ |
|---|
| 298 | 85 | struct list_head module_list; |
|---|
| 299 | | - struct list_head fw_list; |
|---|
| 300 | | - |
|---|
| 301 | | - /* scratch buffer */ |
|---|
| 302 | | - struct list_head scratch_block_list; |
|---|
| 303 | | - u32 scratch_offset; |
|---|
| 304 | | - u32 scratch_size; |
|---|
| 305 | | - |
|---|
| 306 | | - /* platform data */ |
|---|
| 307 | | - struct sst_pdata *pdata; |
|---|
| 308 | | - |
|---|
| 309 | | - /* DMA FW loading */ |
|---|
| 310 | | - struct sst_dma *dma; |
|---|
| 311 | | - bool fw_use_dma; |
|---|
| 312 | 86 | |
|---|
| 313 | 87 | /* SKL data */ |
|---|
| 314 | 88 | |
|---|
| .. | .. |
|---|
| 324 | 98 | struct snd_dma_buffer dmab; |
|---|
| 325 | 99 | }; |
|---|
| 326 | 100 | |
|---|
| 327 | | -/* Size optimised DRAM/IRAM memcpy */ |
|---|
| 328 | | -static inline void sst_dsp_write(struct sst_dsp *sst, void *src, |
|---|
| 329 | | - u32 dest_offset, size_t bytes) |
|---|
| 330 | | -{ |
|---|
| 331 | | - sst->ops->ram_write(sst, sst->addr.lpe + dest_offset, src, bytes); |
|---|
| 332 | | -} |
|---|
| 333 | | - |
|---|
| 334 | | -static inline void sst_dsp_read(struct sst_dsp *sst, void *dest, |
|---|
| 335 | | - u32 src_offset, size_t bytes) |
|---|
| 336 | | -{ |
|---|
| 337 | | - sst->ops->ram_read(sst, dest, sst->addr.lpe + src_offset, bytes); |
|---|
| 338 | | -} |
|---|
| 339 | | - |
|---|
| 340 | | -static inline void *sst_dsp_get_thread_context(struct sst_dsp *sst) |
|---|
| 341 | | -{ |
|---|
| 342 | | - return sst->thread_context; |
|---|
| 343 | | -} |
|---|
| 344 | | - |
|---|
| 345 | | -/* Create/Free FW files - can contain multiple modules */ |
|---|
| 346 | | -struct sst_fw *sst_fw_new(struct sst_dsp *dsp, |
|---|
| 347 | | - const struct firmware *fw, void *private); |
|---|
| 348 | | -void sst_fw_free(struct sst_fw *sst_fw); |
|---|
| 349 | | -void sst_fw_free_all(struct sst_dsp *dsp); |
|---|
| 350 | | -int sst_fw_reload(struct sst_fw *sst_fw); |
|---|
| 351 | | -void sst_fw_unload(struct sst_fw *sst_fw); |
|---|
| 352 | | - |
|---|
| 353 | | -/* Create/Free firmware modules */ |
|---|
| 354 | | -struct sst_module *sst_module_new(struct sst_fw *sst_fw, |
|---|
| 355 | | - struct sst_module_template *template, void *private); |
|---|
| 356 | | -void sst_module_free(struct sst_module *module); |
|---|
| 357 | | -struct sst_module *sst_module_get_from_id(struct sst_dsp *dsp, u32 id); |
|---|
| 358 | | -int sst_module_alloc_blocks(struct sst_module *module); |
|---|
| 359 | | -int sst_module_free_blocks(struct sst_module *module); |
|---|
| 360 | | - |
|---|
| 361 | | -/* Create/Free firmware module runtime instances */ |
|---|
| 362 | | -struct sst_module_runtime *sst_module_runtime_new(struct sst_module *module, |
|---|
| 363 | | - int id, void *private); |
|---|
| 364 | | -void sst_module_runtime_free(struct sst_module_runtime *runtime); |
|---|
| 365 | | -struct sst_module_runtime *sst_module_runtime_get_from_id( |
|---|
| 366 | | - struct sst_module *module, u32 id); |
|---|
| 367 | | -int sst_module_runtime_alloc_blocks(struct sst_module_runtime *runtime, |
|---|
| 368 | | - int offset); |
|---|
| 369 | | -int sst_module_runtime_free_blocks(struct sst_module_runtime *runtime); |
|---|
| 370 | | -int sst_module_runtime_save(struct sst_module_runtime *runtime, |
|---|
| 371 | | - struct sst_module_runtime_context *context); |
|---|
| 372 | | -int sst_module_runtime_restore(struct sst_module_runtime *runtime, |
|---|
| 373 | | - struct sst_module_runtime_context *context); |
|---|
| 374 | | - |
|---|
| 375 | | -/* generic block allocation */ |
|---|
| 376 | | -int sst_alloc_blocks(struct sst_dsp *dsp, struct sst_block_allocator *ba, |
|---|
| 377 | | - struct list_head *block_list); |
|---|
| 378 | | -int sst_free_blocks(struct sst_dsp *dsp, struct list_head *block_list); |
|---|
| 379 | | - |
|---|
| 380 | | -/* scratch allocation */ |
|---|
| 381 | | -int sst_block_alloc_scratch(struct sst_dsp *dsp); |
|---|
| 382 | | -void sst_block_free_scratch(struct sst_dsp *dsp); |
|---|
| 383 | | - |
|---|
| 384 | | -/* Register the DSPs memory blocks - would be nice to read from ACPI */ |
|---|
| 385 | | -struct sst_mem_block *sst_mem_block_register(struct sst_dsp *dsp, u32 offset, |
|---|
| 386 | | - u32 size, enum sst_mem_type type, const struct sst_block_ops *ops, |
|---|
| 387 | | - u32 index, void *private); |
|---|
| 388 | | -void sst_mem_block_unregister_all(struct sst_dsp *dsp); |
|---|
| 389 | | - |
|---|
| 390 | | -u32 sst_dsp_get_offset(struct sst_dsp *dsp, u32 offset, |
|---|
| 391 | | - enum sst_mem_type type); |
|---|
| 392 | 101 | #endif |
|---|