1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved. 4 */ 5 6 #ifndef __AMD_MANAGER_H 7 #define __AMD_MANAGER_H 8 9 #include <linux/soundwire/sdw_amd.h> 10 11 #define SDW_MANAGER_REG_OFFSET 0xc00 12 #define AMD_SDW_DEFAULT_ROWS 50 13 #define AMD_SDW_DEFAULT_COLUMNS 10 14 #define ACP_PAD_PULLDOWN_CTRL 0x0001448 15 #define ACP_SW_PAD_KEEPER_EN 0x0001454 16 #define ACP_SW0_WAKE_EN 0x0001458 17 #define ACP_EXTERNAL_INTR_CNTL0 0x0001a04 18 #define ACP_EXTERNAL_INTR_STAT0 0x0001a0c 19 #define ACP_EXTERNAL_INTR_CNTL(i) (ACP_EXTERNAL_INTR_CNTL0 + ((i) * 4)) 20 #define ACP_EXTERNAL_INTR_STAT(i) (ACP_EXTERNAL_INTR_STAT0 + ((i) * 4)) 21 #define ACP_SW_WAKE_EN(i) (ACP_SW0_WAKE_EN + ((i) * 8)) 22 23 #define ACP_SW_EN 0x0003000 24 #define ACP_SW_EN_STATUS 0x0003004 25 #define ACP_SW_FRAMESIZE 0x0003008 26 #define ACP_SW_SSP_COUNTER 0x000300c 27 #define ACP_SW_AUDIO0_TX_EN 0x0003010 28 #define ACP_SW_AUDIO0_TX_EN_STATUS 0x0003014 29 #define ACP_SW_AUDIO0_TX_FRAME_FORMAT 0x0003018 30 #define ACP_SW_AUDIO0_TX_SAMPLEINTERVAL 0x000301c 31 #define ACP_SW_AUDIO0_TX_HCTRL_DP0 0x0003020 32 #define ACP_SW_AUDIO0_TX_HCTRL_DP1 0x0003024 33 #define ACP_SW_AUDIO0_TX_HCTRL_DP2 0x0003028 34 #define ACP_SW_AUDIO0_TX_HCTRL_DP3 0x000302c 35 #define ACP_SW_AUDIO0_TX_OFFSET_DP0 0x0003030 36 #define ACP_SW_AUDIO0_TX_OFFSET_DP1 0x0003034 37 #define ACP_SW_AUDIO0_TX_OFFSET_DP2 0x0003038 38 #define ACP_SW_AUDIO0_TX_OFFSET_DP3 0x000303c 39 #define ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP0 0x0003040 40 #define ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP1 0x0003044 41 #define ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP2 0x0003048 42 #define ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP3 0x000304c 43 #define ACP_SW_AUDIO1_TX_EN 0x0003050 44 #define ACP_SW_AUDIO1_TX_EN_STATUS 0x0003054 45 #define ACP_SW_AUDIO1_TX_FRAME_FORMAT 0x0003058 46 #define ACP_SW_AUDIO1_TX_SAMPLEINTERVAL 0x000305c 47 #define ACP_SW_AUDIO1_TX_HCTRL 0x0003060 48 #define ACP_SW_AUDIO1_TX_OFFSET 0x0003064 49 #define ACP_SW_AUDIO1_TX_CHANNEL_ENABLE_DP0 0x0003068 50 #define ACP_SW_AUDIO2_TX_EN 0x000306c 51 #define ACP_SW_AUDIO2_TX_EN_STATUS 0x0003070 52 #define ACP_SW_AUDIO2_TX_FRAME_FORMAT 0x0003074 53 #define ACP_SW_AUDIO2_TX_SAMPLEINTERVAL 0x0003078 54 #define ACP_SW_AUDIO2_TX_HCTRL 0x000307c 55 #define ACP_SW_AUDIO2_TX_OFFSET 0x0003080 56 #define ACP_SW_AUDIO2_TX_CHANNEL_ENABLE_DP0 0x0003084 57 #define ACP_SW_AUDIO0_RX_EN 0x0003088 58 #define ACP_SW_AUDIO0_RX_EN_STATUS 0x000308c 59 #define ACP_SW_AUDIO0_RX_FRAME_FORMAT 0x0003090 60 #define ACP_SW_AUDIO0_RX_SAMPLEINTERVAL 0x0003094 61 #define ACP_SW_AUDIO0_RX_HCTRL_DP0 0x0003098 62 #define ACP_SW_AUDIO0_RX_HCTRL_DP1 0x000309c 63 #define ACP_SW_AUDIO0_RX_HCTRL_DP2 0x0003100 64 #define ACP_SW_AUDIO0_RX_HCTRL_DP3 0x0003104 65 #define ACP_SW_AUDIO0_RX_OFFSET_DP0 0x0003108 66 #define ACP_SW_AUDIO0_RX_OFFSET_DP1 0x000310c 67 #define ACP_SW_AUDIO0_RX_OFFSET_DP2 0x0003110 68 #define ACP_SW_AUDIO0_RX_OFFSET_DP3 0x0003114 69 #define ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP0 0x0003118 70 #define ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP1 0x000311c 71 #define ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP2 0x0003120 72 #define ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP3 0x0003124 73 #define ACP_SW_AUDIO1_RX_EN 0x0003128 74 #define ACP_SW_AUDIO1_RX_EN_STATUS 0x000312c 75 #define ACP_SW_AUDIO1_RX_FRAME_FORMAT 0x0003130 76 #define ACP_SW_AUDIO1_RX_SAMPLEINTERVAL 0x0003134 77 #define ACP_SW_AUDIO1_RX_HCTRL 0x0003138 78 #define ACP_SW_AUDIO1_RX_OFFSET 0x000313c 79 #define ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0 0x0003140 80 #define ACP_SW_AUDIO2_RX_EN 0x0003144 81 #define ACP_SW_AUDIO2_RX_EN_STATUS 0x0003148 82 #define ACP_SW_AUDIO2_RX_FRAME_FORMAT 0x000314c 83 #define ACP_SW_AUDIO2_RX_SAMPLEINTERVAL 0x0003150 84 #define ACP_SW_AUDIO2_RX_HCTRL 0x0003154 85 #define ACP_SW_AUDIO2_RX_OFFSET 0x0003158 86 #define ACP_SW_AUDIO2_RX_CHANNEL_ENABLE_DP0 0x000315c 87 #define ACP_SW_BPT_PORT_EN 0x0003160 88 #define ACP_SW_BPT_PORT_EN_STATUS 0x0003164 89 #define ACP_SW_BPT_PORT_FRAME_FORMAT 0x0003168 90 #define ACP_SW_BPT_PORT_SAMPLEINTERVAL 0x000316c 91 #define ACP_SW_BPT_PORT_HCTRL 0x0003170 92 #define ACP_SW_BPT_PORT_OFFSET 0x0003174 93 #define ACP_SW_BPT_PORT_CHANNEL_ENABLE 0x0003178 94 #define ACP_SW_BPT_PORT_FIRST_BYTE_ADDR 0x000317c 95 #define ACP_SW_CLK_RESUME_CTRL 0x0003180 96 #define ACP_SW_CLK_RESUME_DELAY_CNTR 0x0003184 97 #define ACP_SW_BUS_RESET_CTRL 0x0003188 98 #define ACP_SW_PRBS_ERR_STATUS 0x000318c 99 #define ACP_SW_IMM_CMD_UPPER_WORD 0x0003230 100 #define ACP_SW_IMM_CMD_LOWER_QWORD 0x0003234 101 #define ACP_SW_IMM_RESP_UPPER_WORD 0x0003238 102 #define ACP_SW_IMM_RESP_LOWER_QWORD 0x000323c 103 #define ACP_SW_IMM_CMD_STS 0x0003240 104 #define ACP_SW_BRA_BASE_ADDRESS 0x0003244 105 #define ACP_SW_BRA_TRANSFER_SIZE 0x0003248 106 #define ACP_SW_BRA_DMA_BUSY 0x000324c 107 #define ACP_SW_BRA_RESP 0x0003250 108 #define ACP_SW_BRA_RESP_FRAME_ADDR 0x0003254 109 #define ACP_SW_BRA_CURRENT_TRANSFER_SIZE 0x0003258 110 #define ACP_SW_STATE_CHANGE_STATUS_0TO7 0x000325c 111 #define ACP_SW_STATE_CHANGE_STATUS_8TO11 0x0003260 112 #define ACP_SW_STATE_CHANGE_STATUS_MASK_0TO7 0x0003264 113 #define ACP_SW_STATE_CHANGE_STATUS_MASK_8TO11 0x0003268 114 #define ACP_SW_CLK_FREQUENCY_CTRL 0x000326c 115 #define ACP_SW_ERROR_INTR_MASK 0x0003270 116 #define ACP_SW_PHY_TEST_MODE_DATA_OFF 0x0003274 117 118 #define ACP_DELAY_US 10 119 #define AMD_SDW_TIMEOUT 1000 120 #define AMD_SDW_DEFAULT_CLK_FREQ 12000000 121 122 #define AMD_SDW_MCP_RESP_ACK BIT(0) 123 #define AMD_SDW_MCP_RESP_NACK BIT(1) 124 #define AMD_SDW_MCP_RESP_RDATA GENMASK(14, 7) 125 126 #define AMD_SDW_MCP_CMD_SSP_TAG BIT(31) 127 #define AMD_SDW_MCP_CMD_COMMAND GENMASK(14, 12) 128 #define AMD_SDW_MCP_CMD_DEV_ADDR GENMASK(11, 8) 129 #define AMD_SDW_MCP_CMD_REG_ADDR_HIGH GENMASK(7, 0) 130 #define AMD_SDW_MCP_CMD_REG_ADDR_LOW GENMASK(31, 24) 131 #define AMD_SDW_MCP_CMD_REG_DATA GENMASK(14, 7) 132 #define AMD_SDW_MCP_SLAVE_STAT_0_3 GENMASK(14, 7) 133 #define AMD_SDW_MCP_SLAVE_STAT_4_11 GENMASK_ULL(39, 24) 134 #define AMD_SDW_MCP_SLAVE_STATUS_MASK GENMASK(1, 0) 135 #define AMD_SDW_MCP_SLAVE_STATUS_BITS GENMASK(3, 2) 136 #define AMD_SDW_MCP_SLAVE_STATUS_8TO_11 GENMASK_ULL(15, 0) 137 #define AMD_SDW_MCP_SLAVE_STATUS_VALID_MASK(x) BIT(((x) * 4)) 138 #define AMD_SDW_MCP_SLAVE_STAT_SHIFT_MASK(x) (((x) * 4) + 1) 139 140 #define AMD_SDW_MASTER_SUSPEND_DELAY_MS 2000 141 #define AMD_SDW_QUIRK_MASK_BUS_ENABLE BIT(0) 142 143 #define AMD_SDW_IMM_RES_VALID 1 144 #define AMD_SDW_IMM_CMD_BUSY 2 145 #define AMD_SDW_ENABLE 1 146 #define AMD_SDW_DISABLE 0 147 #define AMD_SDW_BUS_RESET_CLEAR_REQ 0 148 #define AMD_SDW_BUS_RESET_REQ 1 149 #define AMD_SDW_BUS_RESET_DONE 2 150 #define AMD_SDW_BUS_BASE_FREQ 24000000 151 152 #define AMD_SDW0_EXT_INTR_MASK 0x200000 153 #define AMD_SDW1_EXT_INTR_MASK 4 154 #define AMD_SDW_IRQ_MASK_0TO7 0x77777777 155 #define AMD_SDW_IRQ_MASK_8TO11 0x000c7777 156 #define AMD_SDW_IRQ_ERROR_MASK 0xff 157 #define AMD_SDW_MAX_FREQ_NUM 1 158 #define AMD_SDW0_MAX_TX_PORTS 3 159 #define AMD_SDW0_MAX_RX_PORTS 3 160 #define AMD_SDW1_MAX_TX_PORTS 1 161 #define AMD_SDW1_MAX_RX_PORTS 1 162 #define AMD_SDW0_MAX_DAI 6 163 #define AMD_SDW1_MAX_DAI 2 164 #define AMD_SDW_SLAVE_0_ATTACHED 5 165 #define AMD_SDW_SSP_COUNTER_VAL 3 166 167 #define AMD_DPN_FRAME_FMT_PFM GENMASK(1, 0) 168 #define AMD_DPN_FRAME_FMT_PDM GENMASK(3, 2) 169 #define AMD_DPN_FRAME_FMT_BLK_PKG_MODE BIT(4) 170 #define AMD_DPN_FRAME_FMT_BLK_GRP_CTRL GENMASK(6, 5) 171 #define AMD_DPN_FRAME_FMT_WORD_LEN GENMASK(12, 7) 172 #define AMD_DPN_FRAME_FMT_PCM_OR_PDM BIT(13) 173 #define AMD_DPN_HCTRL_HSTOP GENMASK(3, 0) 174 #define AMD_DPN_HCTRL_HSTART GENMASK(7, 4) 175 #define AMD_DPN_OFFSET_CTRL_1 GENMASK(7, 0) 176 #define AMD_DPN_OFFSET_CTRL_2 GENMASK(15, 8) 177 #define AMD_DPN_CH_EN_LCTRL GENMASK(2, 0) 178 #define AMD_DPN_CH_EN_CHMASK GENMASK(10, 3) 179 #define AMD_SDW_STAT_MAX_RETRY_COUNT 100 180 #define AMD_SDW0_PAD_PULLDOWN_CTRL_ENABLE_MASK 0x7f9f 181 #define AMD_SDW1_PAD_PULLDOWN_CTRL_ENABLE_MASK 0x7ffa 182 #define AMD_SDW0_PAD_PULLDOWN_CTRL_DISABLE_MASK 0x60 183 #define AMD_SDW1_PAD_PULLDOWN_CTRL_DISABLE_MASK 5 184 #define AMD_SDW0_PAD_KEEPER_EN_MASK 1 185 #define AMD_SDW1_PAD_KEEPER_EN_MASK 0x10 186 #define AMD_SDW0_PAD_KEEPER_DISABLE_MASK 0x1e 187 #define AMD_SDW1_PAD_KEEPER_DISABLE_MASK 0xf 188 #define AMD_SDW_PREQ_INTR_STAT BIT(19) 189 #define AMD_SDW_CLK_STOP_DONE 1 190 #define AMD_SDW_CLK_RESUME_REQ 2 191 #define AMD_SDW_CLK_RESUME_DONE 3 192 #define AMD_SDW_WAKE_STAT_MASK BIT(16) 193 #define AMD_SDW_WAKE_INTR_MASK BIT(16) 194 195 static u32 amd_sdw_freq_tbl[AMD_SDW_MAX_FREQ_NUM] = { 196 AMD_SDW_DEFAULT_CLK_FREQ, 197 }; 198 199 struct sdw_manager_dp_reg { 200 u32 frame_fmt_reg; 201 u32 sample_int_reg; 202 u32 hctrl_dp0_reg; 203 u32 offset_reg; 204 u32 lane_ctrl_ch_en_reg; 205 }; 206 207 /* 208 * SDW0 Manager instance registers 6 CPU DAI (3 TX & 3 RX Ports) 209 * whereas SDW1 Manager Instance registers 2 CPU DAI (one TX & one RX port) 210 * Below is the CPU DAI <->Manager port number mapping 211 * i.e SDW0 Pin0 -> port number 0 -> AUDIO0 TX 212 * SDW0 Pin1 -> Port number 1 -> AUDIO1 TX 213 * SDW0 Pin2 -> Port number 2 -> AUDIO2 TX 214 * SDW0 Pin3 -> port number 3 -> AUDIO0 RX 215 * SDW0 Pin4 -> Port number 4 -> AUDIO1 RX 216 * SDW0 Pin5 -> Port number 5 -> AUDIO2 RX 217 * Whereas for SDW1 instance 218 * SDW1 Pin0 -> port number 0 -> AUDIO1 TX 219 * SDW1 Pin1 -> Port number 1 -> AUDIO1 RX 220 * Same mapping should be used for programming DMA controller registers in SoundWire DMA driver. 221 * i.e if AUDIO0 TX channel is selected then we need to use AUDIO0 TX registers for DMA programming 222 * in SoundWire DMA driver. 223 */ 224 225 static struct sdw_manager_dp_reg sdw0_manager_dp_reg[AMD_SDW0_MAX_DAI] = { 226 {ACP_SW_AUDIO0_TX_FRAME_FORMAT, ACP_SW_AUDIO0_TX_SAMPLEINTERVAL, ACP_SW_AUDIO0_TX_HCTRL_DP0, 227 ACP_SW_AUDIO0_TX_OFFSET_DP0, ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP0}, 228 {ACP_SW_AUDIO1_TX_FRAME_FORMAT, ACP_SW_AUDIO1_TX_SAMPLEINTERVAL, ACP_SW_AUDIO1_TX_HCTRL, 229 ACP_SW_AUDIO1_TX_OFFSET, ACP_SW_AUDIO1_TX_CHANNEL_ENABLE_DP0}, 230 {ACP_SW_AUDIO2_TX_FRAME_FORMAT, ACP_SW_AUDIO2_TX_SAMPLEINTERVAL, ACP_SW_AUDIO2_TX_HCTRL, 231 ACP_SW_AUDIO2_TX_OFFSET, ACP_SW_AUDIO2_TX_CHANNEL_ENABLE_DP0}, 232 {ACP_SW_AUDIO0_RX_FRAME_FORMAT, ACP_SW_AUDIO0_RX_SAMPLEINTERVAL, ACP_SW_AUDIO0_RX_HCTRL_DP0, 233 ACP_SW_AUDIO0_RX_OFFSET_DP0, ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP0}, 234 {ACP_SW_AUDIO1_RX_FRAME_FORMAT, ACP_SW_AUDIO1_RX_SAMPLEINTERVAL, ACP_SW_AUDIO1_RX_HCTRL, 235 ACP_SW_AUDIO1_RX_OFFSET, ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0}, 236 {ACP_SW_AUDIO2_RX_FRAME_FORMAT, ACP_SW_AUDIO2_RX_SAMPLEINTERVAL, ACP_SW_AUDIO2_RX_HCTRL, 237 ACP_SW_AUDIO2_RX_OFFSET, ACP_SW_AUDIO2_RX_CHANNEL_ENABLE_DP0}, 238 }; 239 240 static struct sdw_manager_dp_reg sdw1_manager_dp_reg[AMD_SDW1_MAX_DAI] = { 241 {ACP_SW_AUDIO1_TX_FRAME_FORMAT, ACP_SW_AUDIO1_TX_SAMPLEINTERVAL, ACP_SW_AUDIO1_TX_HCTRL, 242 ACP_SW_AUDIO1_TX_OFFSET, ACP_SW_AUDIO1_TX_CHANNEL_ENABLE_DP0}, 243 {ACP_SW_AUDIO1_RX_FRAME_FORMAT, ACP_SW_AUDIO1_RX_SAMPLEINTERVAL, ACP_SW_AUDIO1_RX_HCTRL, 244 ACP_SW_AUDIO1_RX_OFFSET, ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0} 245 }; 246 247 static struct sdw_manager_reg_mask sdw_manager_reg_mask_array[2] = { 248 { 249 AMD_SDW0_PAD_KEEPER_EN_MASK, 250 AMD_SDW0_PAD_PULLDOWN_CTRL_ENABLE_MASK, 251 AMD_SDW0_EXT_INTR_MASK 252 }, 253 { 254 AMD_SDW1_PAD_KEEPER_EN_MASK, 255 AMD_SDW1_PAD_PULLDOWN_CTRL_ENABLE_MASK, 256 AMD_SDW1_EXT_INTR_MASK 257 } 258 }; 259 #endif 260