sound/soc/intel/skylake/skl-sst-dsp.h

   1 /*
   2  * Skylake SST DSP Support
   3  *
   4  * Copyright (C) 2014-15, Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as version 2, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  */
  15
  16 #ifndef __SKL_SST_DSP_H__
  17 #define __SKL_SST_DSP_H__
  18
  19 #include <linux/interrupt.h>
  20 #include <sound/memalloc.h>
  21 #include "skl-sst-cldma.h"
  22 #include "skl-tplg-interface.h"
  23
  24 struct sst_dsp;
  25 struct skl_sst;
  26 struct sst_dsp_device;
  27
  28 /* Intel HD Audio General DSP Registers */
  29 #define SKL_ADSP_GEN_BASE               0x0
  30 #define SKL_ADSP_REG_ADSPCS             (SKL_ADSP_GEN_BASE + 0x04)
  31 #define SKL_ADSP_REG_ADSPIC             (SKL_ADSP_GEN_BASE + 0x08)
  32 #define SKL_ADSP_REG_ADSPIS             (SKL_ADSP_GEN_BASE + 0x0C)
  33 #define SKL_ADSP_REG_ADSPIC2            (SKL_ADSP_GEN_BASE + 0x10)
  34 #define SKL_ADSP_REG_ADSPIS2            (SKL_ADSP_GEN_BASE + 0x14)
  35
  36 /* Intel HD Audio Inter-Processor Communication Registers */
  37 #define SKL_ADSP_IPC_BASE               0x40
  38 #define SKL_ADSP_REG_HIPCT              (SKL_ADSP_IPC_BASE + 0x00)
  39 #define SKL_ADSP_REG_HIPCTE             (SKL_ADSP_IPC_BASE + 0x04)
  40 #define SKL_ADSP_REG_HIPCI              (SKL_ADSP_IPC_BASE + 0x08)
  41 #define SKL_ADSP_REG_HIPCIE             (SKL_ADSP_IPC_BASE + 0x0C)
  42 #define SKL_ADSP_REG_HIPCCTL            (SKL_ADSP_IPC_BASE + 0x10)
  43
  44 /*  HIPCI */
  45 #define SKL_ADSP_REG_HIPCI_BUSY         BIT(31)
  46
  47 /* HIPCIE */
  48 #define SKL_ADSP_REG_HIPCIE_DONE        BIT(30)
  49
  50 /* HIPCCTL */
  51 #define SKL_ADSP_REG_HIPCCTL_DONE       BIT(1)
  52 #define SKL_ADSP_REG_HIPCCTL_BUSY       BIT(0)
  53
  54 /* HIPCT */
  55 #define SKL_ADSP_REG_HIPCT_BUSY         BIT(31)
  56
  57 /* FW base IDs */
  58 #define SKL_INSTANCE_ID                 0
  59 #define SKL_BASE_FW_MODULE_ID           0
  60
  61 /* Intel HD Audio SRAM Window 1 */
  62 #define SKL_ADSP_SRAM1_BASE             0xA000
  63
  64 #define SKL_ADSP_MMIO_LEN               0x10000
  65
  66 #define SKL_ADSP_W0_STAT_SZ             0x1000
  67
  68 #define SKL_ADSP_W0_UP_SZ               0x1000
  69
  70 #define SKL_ADSP_W1_SZ                  0x1000
  71
  72 #define SKL_FW_STS_MASK                 0xf
  73
  74 #define SKL_FW_INIT                     0x1
  75 #define SKL_FW_RFW_START                0xf
  76
  77 #define SKL_ADSPIC_IPC                  1
  78 #define SKL_ADSPIS_IPC                  1
  79
  80 /* Core ID of core0 */
  81 #define SKL_DSP_CORE0_ID                0
  82
  83 /* Mask for a given core index, c = 0.. number of supported cores - 1 */
  84 #define SKL_DSP_CORE_MASK(c)            BIT(c)
  85
  86 /*
  87  * Core 0 mask = SKL_DSP_CORE_MASK(0); Defined separately
  88  * since Core0 is primary core and it is used often
  89  */
  90 #define SKL_DSP_CORE0_MASK              BIT(0)
  91
  92 /*
  93  * Mask for a given number of cores
  94  * nc = number of supported cores
  95  */
  96 #define SKL_DSP_CORES_MASK(nc)  GENMASK((nc - 1), 0)
  97
  98 /* ADSPCS - Audio DSP Control & Status */
  99
 100 /*
 101  * Core Reset - asserted high
 102  * CRST Mask for a given core mask pattern, cm
 103  */
 104 #define SKL_ADSPCS_CRST_SHIFT           0
 105 #define SKL_ADSPCS_CRST_MASK(cm)        ((cm) << SKL_ADSPCS_CRST_SHIFT)
 106
 107 /*
 108  * Core run/stall - when set to '1' core is stalled
 109  * CSTALL Mask for a given core mask pattern, cm
 110  */
 111 #define SKL_ADSPCS_CSTALL_SHIFT         8
 112 #define SKL_ADSPCS_CSTALL_MASK(cm)      ((cm) << SKL_ADSPCS_CSTALL_SHIFT)
 113
 114 /*
 115  * Set Power Active - when set to '1' turn cores on
 116  * SPA Mask for a given core mask pattern, cm
 117  */
 118 #define SKL_ADSPCS_SPA_SHIFT            16
 119 #define SKL_ADSPCS_SPA_MASK(cm)         ((cm) << SKL_ADSPCS_SPA_SHIFT)
 120
 121 /*
 122  * Current Power Active - power status of cores, set by hardware
 123  * CPA Mask for a given core mask pattern, cm
 124  */
 125 #define SKL_ADSPCS_CPA_SHIFT            24
 126 #define SKL_ADSPCS_CPA_MASK(cm)         ((cm) << SKL_ADSPCS_CPA_SHIFT)
 127
 128 enum skl_dsp_states {
 129         SKL_DSP_RUNNING = 1,
 130         SKL_DSP_RESET,
 131 };
 132
 133 struct skl_dsp_fw_ops {
 134         int (*load_fw)(struct sst_dsp  *ctx);
 135         /* FW module parser/loader */
 136         int (*parse_fw)(struct sst_dsp *ctx);
 137         int (*set_state_D0)(struct sst_dsp *ctx, unsigned int core_id);
 138         int (*set_state_D3)(struct sst_dsp *ctx, unsigned int core_id);
 139         unsigned int (*get_fw_errcode)(struct sst_dsp *ctx);
 140         int (*load_mod)(struct sst_dsp *ctx, u16 mod_id, u8 *mod_name);
 141         int (*unload_mod)(struct sst_dsp *ctx, u16 mod_id);
 142
 143 };
 144
 145 struct skl_dsp_loader_ops {
 146         int stream_tag;
 147
 148         int (*alloc_dma_buf)(struct device *dev,
 149                 struct snd_dma_buffer *dmab, size_t size);
 150         int (*free_dma_buf)(struct device *dev,
 151                 struct snd_dma_buffer *dmab);
 152         int (*prepare)(struct device *dev, unsigned int format,
 153                                 unsigned int byte_size,
 154                                 struct snd_dma_buffer *bufp);
 155         int (*trigger)(struct device *dev, bool start, int stream_tag);
 156
 157         int (*cleanup)(struct device *dev, struct snd_dma_buffer *dmab,
 158                                  int stream_tag);
 159 };
 160
 161 struct skl_load_module_info {
 162         u16 mod_id;
 163         const struct firmware *fw;
 164 };
 165
 166 struct skl_module_table {
 167         struct skl_load_module_info *mod_info;
 168         unsigned int usage_cnt;
 169         struct list_head list;
 170 };
 171
 172 void skl_cldma_process_intr(struct sst_dsp *ctx);
 173 void skl_cldma_int_disable(struct sst_dsp *ctx);
 174 int skl_cldma_prepare(struct sst_dsp *ctx);
 175
 176 void skl_dsp_set_state_locked(struct sst_dsp *ctx, int state);
 177 struct sst_dsp *skl_dsp_ctx_init(struct device *dev,
 178                 struct sst_dsp_device *sst_dev, int irq);
 179 bool is_skl_dsp_running(struct sst_dsp *ctx);
 180
 181 unsigned int skl_dsp_get_enabled_cores(struct sst_dsp *ctx);
 182 void skl_dsp_init_core_state(struct sst_dsp *ctx);
 183 int skl_dsp_enable_core(struct sst_dsp *ctx, unsigned int core_mask);
 184 int skl_dsp_disable_core(struct sst_dsp *ctx, unsigned int core_mask);
 185 int skl_dsp_core_power_up(struct sst_dsp *ctx, unsigned int core_mask);
 186 int skl_dsp_core_power_down(struct sst_dsp *ctx, unsigned int core_mask);
 187 int skl_dsp_core_unset_reset_state(struct sst_dsp *ctx,
 188                                         unsigned int core_mask);
 189 int skl_dsp_start_core(struct sst_dsp *ctx, unsigned int core_mask);
 190
 191 irqreturn_t skl_dsp_sst_interrupt(int irq, void *dev_id);
 192 int skl_dsp_wake(struct sst_dsp *ctx);
 193 int skl_dsp_sleep(struct sst_dsp *ctx);
 194 void skl_dsp_free(struct sst_dsp *dsp);
 195
 196 int skl_dsp_get_core(struct sst_dsp *ctx, unsigned int core_id);
 197 int skl_dsp_put_core(struct sst_dsp *ctx, unsigned int core_id);
 198
 199 int skl_dsp_boot(struct sst_dsp *ctx);
 200 int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
 201                 const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
 202                 struct skl_sst **dsp);
 203 int bxt_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
 204                 const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
 205                 struct skl_sst **dsp);
 206 void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx);
 207 void bxt_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx);
 208
 209 int snd_skl_get_module_info(struct skl_sst *ctx, u8 *uuid,
 210                 struct skl_dfw_module *dfw_config);
 211 int snd_skl_parse_uuids(struct sst_dsp *ctx, unsigned int offset);
 212 void skl_freeup_uuid_list(struct skl_sst *ctx);
 213
 214 int skl_dsp_strip_extended_manifest(struct firmware *fw);
 215
 216 #endif /*__SKL_SST_DSP_H__*/