1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ 2 /* 3 * This file is provided under a dual BSD/GPLv2 license. When using or 4 * redistributing this file, you may do so under either license. 5 * 6 * Copyright(c) 2021 Advanced Micro Devices, Inc. All rights reserved. 7 * 8 * Author: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> 9 */ 10 11 #ifndef __SOF_AMD_ACP_H 12 #define __SOF_AMD_ACP_H 13 14 #include "../sof-priv.h" 15 16 #define ACP_MAX_STREAM 8 17 18 #define ACP_DSP_BAR 0 19 20 #define ACP_HW_SEM_RETRY_COUNT 10000 21 #define ACP_REG_POLL_INTERVAL 500 22 #define ACP_REG_POLL_TIMEOUT_US 2000 23 #define ACP_DMA_COMPLETE_TIMEOUT_US 5000 24 25 #define ACP_PGFSM_CNTL_POWER_ON_MASK 0x01 26 #define ACP_PGFSM_STATUS_MASK 0x03 27 #define ACP_POWERED_ON 0x00 28 #define ACP_ASSERT_RESET 0x01 29 #define ACP_RELEASE_RESET 0x00 30 #define ACP_SOFT_RESET_DONE_MASK 0x00010001 31 32 #define ACP_DSP_INTR_EN_MASK 0x00000001 33 #define ACP3X_SRAM_PTE_OFFSET 0x02050000 34 #define ACP6X_SRAM_PTE_OFFSET 0x03800000 35 #define PAGE_SIZE_4K_ENABLE 0x2 36 #define ACP_PAGE_SIZE 0x1000 37 #define ACP_DMA_CH_RUN 0x02 38 #define ACP_MAX_DESC_CNT 0x02 39 #define DSP_FW_RUN_ENABLE 0x01 40 #define ACP_SHA_RUN 0x01 41 #define ACP_SHA_RESET 0x02 42 #define ACP_DMA_CH_RST 0x01 43 #define ACP_DMA_CH_GRACEFUL_RST_EN 0x10 44 #define ACP_ATU_CACHE_INVALID 0x01 45 #define ACP_MAX_DESC 128 46 #define ACPBUS_REG_BASE_OFFSET ACP_DMA_CNTL_0 47 48 #define ACP_DEFAULT_DRAM_LENGTH 0x00080000 49 #define ACP3X_SCRATCH_MEMORY_ADDRESS 0x02050000 50 #define ACP_SYSTEM_MEMORY_WINDOW 0x4000000 51 #define ACP_IRAM_BASE_ADDRESS 0x000000 52 #define ACP_DATA_RAM_BASE_ADDRESS 0x01000000 53 #define ACP_DRAM_PAGE_COUNT 128 54 55 #define ACP_DSP_TO_HOST_IRQ 0x04 56 57 #define HOST_BRIDGE_CZN 0x1630 58 #define HOST_BRIDGE_RMB 0x14B5 59 #define ACP_SHA_STAT 0x8000 60 #define ACP_PSP_TIMEOUT_COUNTER 5 61 #define ACP_EXT_INTR_ERROR_STAT 0x20000000 62 #define MP0_C2PMSG_114_REG 0x3810AC8 63 #define MP0_C2PMSG_73_REG 0x3810A24 64 #define MBOX_ACP_SHA_DMA_COMMAND 0x70000 65 #define MBOX_DELAY 1000 66 #define MBOX_READY_MASK 0x80000000 67 #define MBOX_STATUS_MASK 0xFFFF 68 69 #define BOX_SIZE_512 0x200 70 #define BOX_SIZE_1024 0x400 71 72 enum clock_source { 73 ACP_CLOCK_96M = 0, 74 ACP_CLOCK_48M, 75 ACP_CLOCK_24M, 76 ACP_CLOCK_ACLK, 77 ACP_CLOCK_MCLK, 78 }; 79 80 struct acp_atu_grp_pte { 81 u32 low; 82 u32 high; 83 }; 84 85 union dma_tx_cnt { 86 struct { 87 unsigned int count : 19; 88 unsigned int reserved : 12; 89 unsigned ioc : 1; 90 } bitfields, bits; 91 unsigned int u32_all; 92 signed int i32_all; 93 }; 94 95 struct dma_descriptor { 96 unsigned int src_addr; 97 unsigned int dest_addr; 98 union dma_tx_cnt tx_cnt; 99 unsigned int reserved; 100 }; 101 102 /* Scratch memory structure for communication b/w host and dsp */ 103 struct scratch_ipc_conf { 104 /* Debug memory */ 105 u8 sof_debug_box[1024]; 106 /* Exception memory*/ 107 u8 sof_except_box[1024]; 108 /* Stream buffer */ 109 u8 sof_stream_box[1024]; 110 /* Trace buffer */ 111 u8 sof_trace_box[1024]; 112 /* Host msg flag */ 113 u32 sof_host_msg_write; 114 /* Host ack flag*/ 115 u32 sof_host_ack_write; 116 /* DSP msg flag */ 117 u32 sof_dsp_msg_write; 118 /* Dsp ack flag */ 119 u32 sof_dsp_ack_write; 120 }; 121 122 struct scratch_reg_conf { 123 struct scratch_ipc_conf info; 124 struct acp_atu_grp_pte grp1_pte[16]; 125 struct acp_atu_grp_pte grp2_pte[16]; 126 struct acp_atu_grp_pte grp3_pte[16]; 127 struct acp_atu_grp_pte grp4_pte[16]; 128 struct acp_atu_grp_pte grp5_pte[16]; 129 struct acp_atu_grp_pte grp6_pte[16]; 130 struct acp_atu_grp_pte grp7_pte[16]; 131 struct acp_atu_grp_pte grp8_pte[16]; 132 struct dma_descriptor dma_desc[64]; 133 unsigned int reg_offset[8]; 134 unsigned int buf_size[8]; 135 u8 acp_tx_fifo_buf[256]; 136 u8 acp_rx_fifo_buf[256]; 137 unsigned int reserve[]; 138 }; 139 140 struct acp_dsp_stream { 141 struct list_head list; 142 struct snd_sof_dev *sdev; 143 struct snd_pcm_substream *substream; 144 struct snd_dma_buffer *dmab; 145 int num_pages; 146 int stream_tag; 147 int active; 148 unsigned int reg_offset; 149 size_t posn_offset; 150 }; 151 152 struct sof_amd_acp_desc { 153 unsigned int rev; 154 unsigned int host_bridge_id; 155 unsigned int i2s_mode; 156 u32 pgfsm_base; 157 u32 ext_intr_stat; 158 u32 dsp_intr_base; 159 u32 sram_pte_offset; 160 u32 i2s_pin_config_offset; 161 u32 hw_semaphore_offset; 162 u32 acp_clkmux_sel; 163 u32 fusion_dsp_offset; 164 }; 165 166 /* Common device data struct for ACP devices */ 167 struct acp_dev_data { 168 struct snd_sof_dev *dev; 169 unsigned int fw_bin_size; 170 unsigned int fw_data_bin_size; 171 u32 fw_bin_page_count; 172 dma_addr_t sha_dma_addr; 173 u8 *bin_buf; 174 dma_addr_t dma_addr; 175 u8 *data_buf; 176 struct dma_descriptor dscr_info[ACP_MAX_DESC]; 177 struct acp_dsp_stream stream_buf[ACP_MAX_STREAM]; 178 struct acp_dsp_stream *dtrace_stream; 179 struct pci_dev *smn_dev; 180 }; 181 182 void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes); 183 void memcpy_from_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *dst, size_t bytes); 184 185 int acp_dma_status(struct acp_dev_data *adata, unsigned char ch); 186 int configure_and_run_dma(struct acp_dev_data *adata, unsigned int src_addr, 187 unsigned int dest_addr, int dsp_data_size); 188 int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr, 189 unsigned int start_addr, unsigned int dest_addr, 190 unsigned int image_length); 191 192 /* ACP device probe/remove */ 193 int amd_sof_acp_probe(struct snd_sof_dev *sdev); 194 int amd_sof_acp_remove(struct snd_sof_dev *sdev); 195 196 /* DSP Loader callbacks */ 197 int acp_sof_dsp_run(struct snd_sof_dev *sdev); 198 int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev); 199 int acp_get_bar_index(struct snd_sof_dev *sdev, u32 type); 200 201 /* Block IO callbacks */ 202 int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, 203 u32 offset, void *src, size_t size); 204 int acp_dsp_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, 205 u32 offset, void *dest, size_t size); 206 207 /* IPC callbacks */ 208 irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context); 209 int acp_sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, 210 void *p, size_t sz); 211 int acp_set_stream_data_offset(struct snd_sof_dev *sdev, 212 struct snd_pcm_substream *substream, 213 size_t posn_offset); 214 int acp_sof_ipc_send_msg(struct snd_sof_dev *sdev, 215 struct snd_sof_ipc_msg *msg); 216 int acp_sof_ipc_get_mailbox_offset(struct snd_sof_dev *sdev); 217 int acp_sof_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id); 218 void acp_mailbox_write(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes); 219 void acp_mailbox_read(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes); 220 221 /* ACP - DSP stream callbacks */ 222 int acp_dsp_stream_config(struct snd_sof_dev *sdev, struct acp_dsp_stream *stream); 223 int acp_dsp_stream_init(struct snd_sof_dev *sdev); 224 struct acp_dsp_stream *acp_dsp_stream_get(struct snd_sof_dev *sdev, int tag); 225 int acp_dsp_stream_put(struct snd_sof_dev *sdev, struct acp_dsp_stream *acp_stream); 226 227 /* 228 * DSP PCM Operations. 229 */ 230 int acp_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); 231 int acp_pcm_close(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); 232 int acp_pcm_hw_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream, 233 struct snd_pcm_hw_params *params, 234 struct snd_sof_platform_stream_params *platform_params); 235 236 extern struct snd_sof_dsp_ops sof_acp_common_ops; 237 238 extern struct snd_sof_dsp_ops sof_renoir_ops; 239 int sof_renoir_ops_init(struct snd_sof_dev *sdev); 240 extern struct snd_sof_dsp_ops sof_rembrandt_ops; 241 int sof_rembrandt_ops_init(struct snd_sof_dev *sdev); 242 243 int acp_dai_probe(struct snd_soc_dai *dai); 244 struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev); 245 /* Machine configuration */ 246 int snd_amd_acp_find_config(struct pci_dev *pci); 247 248 /* Trace */ 249 int acp_sof_trace_init(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab, 250 struct sof_ipc_dma_trace_params_ext *dtrace_params); 251 int acp_sof_trace_release(struct snd_sof_dev *sdev); 252 253 /* PM Callbacks */ 254 int amd_sof_acp_suspend(struct snd_sof_dev *sdev, u32 target_state); 255 int amd_sof_acp_resume(struct snd_sof_dev *sdev); 256 257 static inline const struct sof_amd_acp_desc *get_chip_info(struct snd_sof_pdata *pdata) 258 { 259 const struct sof_dev_desc *desc = pdata->desc; 260 261 return desc->chip_info; 262 } 263 #endif 264