sound/soc/intel/common/sst-dsp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Intel Smart Sound Technology (SST) Core
   4  *
   5  * Copyright (C) 2013, Intel Corporation. All rights reserved.
   6  */
   7
   8 #ifndef __SOUND_SOC_SST_DSP_H
   9 #define __SOUND_SOC_SST_DSP_H
  10
  11 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/interrupt.h>
  14
  15 /* SST Device IDs  */
  16 #define SST_DEV_ID_LYNX_POINT           0x33C8
  17 #define SST_DEV_ID_WILDCAT_POINT        0x3438
  18 #define SST_DEV_ID_BYT                  0x0F28
  19
  20 /* Supported SST DMA Devices */
  21 #define SST_DMA_TYPE_DW         1
  22
  23 /* autosuspend delay 5s*/
  24 #define SST_RUNTIME_SUSPEND_DELAY       (5 * 1000)
  25
  26 /* SST Shim register map
  27  * The register naming can differ between products. Some products also
  28  * contain extra functionality.
  29  */
  30 #define SST_CSR                 0x00
  31 #define SST_PISR                0x08
  32 #define SST_PIMR                0x10
  33 #define SST_ISRX                0x18
  34 #define SST_ISRD                0x20
  35 #define SST_IMRX                0x28
  36 #define SST_IMRD                0x30
  37 #define SST_IPCX                0x38 /* IPC IA -> SST */
  38 #define SST_IPCD                0x40 /* IPC SST -> IA */
  39 #define SST_ISRSC               0x48
  40 #define SST_ISRLPESC            0x50
  41 #define SST_IMRSC               0x58
  42 #define SST_IMRLPESC            0x60
  43 #define SST_IPCSC               0x68
  44 #define SST_IPCLPESC            0x70
  45 #define SST_CLKCTL              0x78
  46 #define SST_CSR2                0x80
  47 #define SST_LTRC                0xE0
  48 #define SST_HMDC                0xE8
  49
  50 #define SST_SHIM_BEGIN          SST_CSR
  51 #define SST_SHIM_END            SST_HDMC
  52
  53 #define SST_DBGO                0xF0
  54
  55 #define SST_SHIM_SIZE           0x100
  56 #define SST_PWMCTRL             0x1000
  57
  58 /* SST Shim Register bits
  59  * The register bit naming can differ between products. Some products also
  60  * contain extra functionality.
  61  */
  62
  63 /* CSR / CS */
  64 #define SST_CSR_RST             (0x1 << 1)
  65 #define SST_CSR_SBCS0           (0x1 << 2)
  66 #define SST_CSR_SBCS1           (0x1 << 3)
  67 #define SST_CSR_DCS(x)          (x << 4)
  68 #define SST_CSR_DCS_MASK        (0x7 << 4)
  69 #define SST_CSR_STALL           (0x1 << 10)
  70 #define SST_CSR_S0IOCS          (0x1 << 21)
  71 #define SST_CSR_S1IOCS          (0x1 << 23)
  72 #define SST_CSR_LPCS            (0x1 << 31)
  73 #define SST_CSR_24MHZ_LPCS      (SST_CSR_SBCS0 | SST_CSR_SBCS1 | SST_CSR_LPCS)
  74 #define SST_CSR_24MHZ_NO_LPCS   (SST_CSR_SBCS0 | SST_CSR_SBCS1)
  75 #define SST_BYT_CSR_RST         (0x1 << 0)
  76 #define SST_BYT_CSR_VECTOR_SEL  (0x1 << 1)
  77 #define SST_BYT_CSR_STALL       (0x1 << 2)
  78 #define SST_BYT_CSR_PWAITMODE   (0x1 << 3)
  79
  80 /*  ISRX / ISC */
  81 #define SST_ISRX_BUSY           (0x1 << 1)
  82 #define SST_ISRX_DONE           (0x1 << 0)
  83 #define SST_BYT_ISRX_REQUEST    (0x1 << 1)
  84
  85 /*  ISRD / ISD */
  86 #define SST_ISRD_BUSY           (0x1 << 1)
  87 #define SST_ISRD_DONE           (0x1 << 0)
  88
  89 /* IMRX / IMC */
  90 #define SST_IMRX_BUSY           (0x1 << 1)
  91 #define SST_IMRX_DONE           (0x1 << 0)
  92 #define SST_BYT_IMRX_REQUEST    (0x1 << 1)
  93
  94 /* IMRD / IMD */
  95 #define SST_IMRD_DONE           (0x1 << 0)
  96 #define SST_IMRD_BUSY           (0x1 << 1)
  97 #define SST_IMRD_SSP0           (0x1 << 16)
  98 #define SST_IMRD_DMAC0          (0x1 << 21)
  99 #define SST_IMRD_DMAC1          (0x1 << 22)
 100 #define SST_IMRD_DMAC           (SST_IMRD_DMAC0 | SST_IMRD_DMAC1)
 101
 102 /*  IPCX / IPCC */
 103 #define SST_IPCX_DONE           (0x1 << 30)
 104 #define SST_IPCX_BUSY           (0x1 << 31)
 105 #define SST_BYT_IPCX_DONE       ((u64)0x1 << 62)
 106 #define SST_BYT_IPCX_BUSY       ((u64)0x1 << 63)
 107
 108 /*  IPCD */
 109 #define SST_IPCD_DONE           (0x1 << 30)
 110 #define SST_IPCD_BUSY           (0x1 << 31)
 111 #define SST_BYT_IPCD_DONE       ((u64)0x1 << 62)
 112 #define SST_BYT_IPCD_BUSY       ((u64)0x1 << 63)
 113
 114 /* CLKCTL */
 115 #define SST_CLKCTL_SMOS(x)      (x << 24)
 116 #define SST_CLKCTL_MASK         (3 << 24)
 117 #define SST_CLKCTL_DCPLCG       (1 << 18)
 118 #define SST_CLKCTL_SCOE1        (1 << 17)
 119 #define SST_CLKCTL_SCOE0        (1 << 16)
 120
 121 /* CSR2 / CS2 */
 122 #define SST_CSR2_SDFD_SSP0      (1 << 1)
 123 #define SST_CSR2_SDFD_SSP1      (1 << 2)
 124
 125 /* LTRC */
 126 #define SST_LTRC_VAL(x)         (x << 0)
 127
 128 /* HMDC */
 129 #define SST_HMDC_HDDA0(x)       (x << 0)
 130 #define SST_HMDC_HDDA1(x)       (x << 7)
 131 #define SST_HMDC_HDDA_E0_CH0    1
 132 #define SST_HMDC_HDDA_E0_CH1    2
 133 #define SST_HMDC_HDDA_E0_CH2    4
 134 #define SST_HMDC_HDDA_E0_CH3    8
 135 #define SST_HMDC_HDDA_E1_CH0    SST_HMDC_HDDA1(SST_HMDC_HDDA_E0_CH0)
 136 #define SST_HMDC_HDDA_E1_CH1    SST_HMDC_HDDA1(SST_HMDC_HDDA_E0_CH1)
 137 #define SST_HMDC_HDDA_E1_CH2    SST_HMDC_HDDA1(SST_HMDC_HDDA_E0_CH2)
 138 #define SST_HMDC_HDDA_E1_CH3    SST_HMDC_HDDA1(SST_HMDC_HDDA_E0_CH3)
 139 #define SST_HMDC_HDDA_E0_ALLCH  (SST_HMDC_HDDA_E0_CH0 | SST_HMDC_HDDA_E0_CH1 | \
 140                                  SST_HMDC_HDDA_E0_CH2 | SST_HMDC_HDDA_E0_CH3)
 141 #define SST_HMDC_HDDA_E1_ALLCH  (SST_HMDC_HDDA_E1_CH0 | SST_HMDC_HDDA_E1_CH1 | \
 142                                  SST_HMDC_HDDA_E1_CH2 | SST_HMDC_HDDA_E1_CH3)
 143
 144
 145 /* SST Vendor Defined Registers and bits */
 146 #define SST_VDRTCTL0            0xa0
 147 #define SST_VDRTCTL1            0xa4
 148 #define SST_VDRTCTL2            0xa8
 149 #define SST_VDRTCTL3            0xaC
 150
 151 /* VDRTCTL0 */
 152 #define SST_VDRTCL0_D3PGD               (1 << 0)
 153 #define SST_VDRTCL0_D3SRAMPGD           (1 << 1)
 154 #define SST_VDRTCL0_DSRAMPGE_SHIFT      12
 155 #define SST_VDRTCL0_DSRAMPGE_MASK       (0xfffff << SST_VDRTCL0_DSRAMPGE_SHIFT)
 156 #define SST_VDRTCL0_ISRAMPGE_SHIFT      2
 157 #define SST_VDRTCL0_ISRAMPGE_MASK       (0x3ff << SST_VDRTCL0_ISRAMPGE_SHIFT)
 158
 159 /* VDRTCTL2 */
 160 #define SST_VDRTCL2_DCLCGE              (1 << 1)
 161 #define SST_VDRTCL2_DTCGE               (1 << 10)
 162 #define SST_VDRTCL2_APLLSE_MASK         (1 << 31)
 163
 164 /* PMCS */
 165 #define SST_PMCS                0x84
 166 #define SST_PMCS_PS_MASK        0x3
 167
 168 struct sst_dsp;
 169
 170 /*
 171  * SST Device.
 172  *
 173  * This structure is populated by the SST core driver.
 174  */
 175 struct sst_dsp_device {
 176         /* Mandatory fields */
 177         struct sst_ops *ops;
 178         irqreturn_t (*thread)(int irq, void *context);
 179         void *thread_context;
 180 };
 181
 182 /*
 183  * SST Platform Data.
 184  */
 185 struct sst_pdata {
 186         /* ACPI data */
 187         u32 lpe_base;
 188         u32 lpe_size;
 189         u32 pcicfg_base;
 190         u32 pcicfg_size;
 191         u32 fw_base;
 192         u32 fw_size;
 193         int irq;
 194
 195         /* Firmware */
 196         const struct firmware *fw;
 197
 198         /* DMA */
 199         int resindex_dma_base; /* other fields invalid if equals to -1 */
 200         u32 dma_base;
 201         u32 dma_size;
 202         int dma_engine;
 203         struct device *dma_dev;
 204
 205         /* DSP */
 206         u32 id;
 207         void *dsp;
 208 };
 209
 210 #if IS_ENABLED(CONFIG_DW_DMAC_CORE)
 211 /* Initialization */
 212 struct sst_dsp *sst_dsp_new(struct device *dev,
 213         struct sst_dsp_device *sst_dev, struct sst_pdata *pdata);
 214 void sst_dsp_free(struct sst_dsp *sst);
 215 #endif
 216
 217 /* SHIM Read / Write */
 218 void sst_dsp_shim_write(struct sst_dsp *sst, u32 offset, u32 value);
 219 u32 sst_dsp_shim_read(struct sst_dsp *sst, u32 offset);
 220 int sst_dsp_shim_update_bits(struct sst_dsp *sst, u32 offset,
 221                                 u32 mask, u32 value);
 222 void sst_dsp_shim_write64(struct sst_dsp *sst, u32 offset, u64 value);
 223 u64 sst_dsp_shim_read64(struct sst_dsp *sst, u32 offset);
 224 int sst_dsp_shim_update_bits64(struct sst_dsp *sst, u32 offset,
 225                                 u64 mask, u64 value);
 226 void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset,
 227                                 u32 mask, u32 value);
 228
 229 /* SHIM Read / Write Unlocked for callers already holding sst lock */
 230 void sst_dsp_shim_write_unlocked(struct sst_dsp *sst, u32 offset, u32 value);
 231 u32 sst_dsp_shim_read_unlocked(struct sst_dsp *sst, u32 offset);
 232 int sst_dsp_shim_update_bits_unlocked(struct sst_dsp *sst, u32 offset,
 233                                 u32 mask, u32 value);
 234 void sst_dsp_shim_write64_unlocked(struct sst_dsp *sst, u32 offset, u64 value);
 235 u64 sst_dsp_shim_read64_unlocked(struct sst_dsp *sst, u32 offset);
 236 int sst_dsp_shim_update_bits64_unlocked(struct sst_dsp *sst, u32 offset,
 237                                         u64 mask, u64 value);
 238 void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset,
 239                                 u32 mask, u32 value);
 240
 241 /* Internal generic low-level SST IO functions - can be overidden */
 242 void sst_shim32_write(void __iomem *addr, u32 offset, u32 value);
 243 u32 sst_shim32_read(void __iomem *addr, u32 offset);
 244 void sst_shim32_write64(void __iomem *addr, u32 offset, u64 value);
 245 u64 sst_shim32_read64(void __iomem *addr, u32 offset);
 246 void sst_memcpy_toio_32(struct sst_dsp *sst,
 247                         void __iomem *dest, void *src, size_t bytes);
 248 void sst_memcpy_fromio_32(struct sst_dsp *sst,
 249                           void *dest, void __iomem *src, size_t bytes);
 250
 251 /* DSP reset & boot */
 252 void sst_dsp_reset(struct sst_dsp *sst);
 253 int sst_dsp_boot(struct sst_dsp *sst);
 254 int sst_dsp_wake(struct sst_dsp *sst);
 255 void sst_dsp_sleep(struct sst_dsp *sst);
 256 void sst_dsp_stall(struct sst_dsp *sst);
 257
 258 /* DMA */
 259 int sst_dsp_dma_get_channel(struct sst_dsp *dsp, int chan_id);
 260 void sst_dsp_dma_put_channel(struct sst_dsp *dsp);
 261 int sst_dsp_dma_copyfrom(struct sst_dsp *sst, dma_addr_t dest_addr,
 262         dma_addr_t src_addr, size_t size);
 263 int sst_dsp_dma_copyto(struct sst_dsp *sst, dma_addr_t dest_addr,
 264         dma_addr_t src_addr, size_t size);
 265
 266 /* Msg IO */
 267 void sst_dsp_ipc_msg_tx(struct sst_dsp *dsp, u32 msg);
 268 u32 sst_dsp_ipc_msg_rx(struct sst_dsp *dsp);
 269
 270 /* Mailbox management */
 271 int sst_dsp_mailbox_init(struct sst_dsp *dsp, u32 inbox_offset,
 272         size_t inbox_size, u32 outbox_offset, size_t outbox_size);
 273 void sst_dsp_inbox_write(struct sst_dsp *dsp, void *message, size_t bytes);
 274 void sst_dsp_inbox_read(struct sst_dsp *dsp, void *message, size_t bytes);
 275 void sst_dsp_outbox_write(struct sst_dsp *dsp, void *message, size_t bytes);
 276 void sst_dsp_outbox_read(struct sst_dsp *dsp, void *message, size_t bytes);
 277 void sst_dsp_mailbox_dump(struct sst_dsp *dsp, size_t bytes);
 278 int sst_dsp_register_poll(struct sst_dsp  *dsp, u32 offset, u32 mask,
 279                  u32 expected_value, u32 timeout, char *operation);
 280
 281 /* Debug */
 282 void sst_dsp_dump(struct sst_dsp *sst);
 283
 284 #endif