259 lines
11 KiB
C
259 lines
11 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.
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*/
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#ifndef __AMD_MANAGER_H
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#define __AMD_MANAGER_H
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#include <linux/soundwire/sdw_amd.h>
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#define SDW_MANAGER_REG_OFFSET 0xc00
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#define AMD_SDW_DEFAULT_ROWS 50
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#define AMD_SDW_DEFAULT_COLUMNS 10
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#define ACP_PAD_PULLDOWN_CTRL 0x0001448
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#define ACP_SW_PAD_KEEPER_EN 0x0001454
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#define ACP_SW0_WAKE_EN 0x0001458
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#define ACP_EXTERNAL_INTR_CNTL0 0x0001a04
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#define ACP_EXTERNAL_INTR_STAT0 0x0001a0c
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#define ACP_EXTERNAL_INTR_CNTL(i) (ACP_EXTERNAL_INTR_CNTL0 + ((i) * 4))
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#define ACP_EXTERNAL_INTR_STAT(i) (ACP_EXTERNAL_INTR_STAT0 + ((i) * 4))
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#define ACP_SW_WAKE_EN(i) (ACP_SW0_WAKE_EN + ((i) * 8))
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#define ACP_SW_EN 0x0003000
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#define ACP_SW_EN_STATUS 0x0003004
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#define ACP_SW_FRAMESIZE 0x0003008
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#define ACP_SW_SSP_COUNTER 0x000300c
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#define ACP_SW_AUDIO0_TX_EN 0x0003010
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#define ACP_SW_AUDIO0_TX_EN_STATUS 0x0003014
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#define ACP_SW_AUDIO0_TX_FRAME_FORMAT 0x0003018
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#define ACP_SW_AUDIO0_TX_SAMPLEINTERVAL 0x000301c
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#define ACP_SW_AUDIO0_TX_HCTRL_DP0 0x0003020
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#define ACP_SW_AUDIO0_TX_HCTRL_DP1 0x0003024
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#define ACP_SW_AUDIO0_TX_HCTRL_DP2 0x0003028
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#define ACP_SW_AUDIO0_TX_HCTRL_DP3 0x000302c
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#define ACP_SW_AUDIO0_TX_OFFSET_DP0 0x0003030
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#define ACP_SW_AUDIO0_TX_OFFSET_DP1 0x0003034
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#define ACP_SW_AUDIO0_TX_OFFSET_DP2 0x0003038
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#define ACP_SW_AUDIO0_TX_OFFSET_DP3 0x000303c
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#define ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP0 0x0003040
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#define ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP1 0x0003044
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#define ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP2 0x0003048
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#define ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP3 0x000304c
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#define ACP_SW_AUDIO1_TX_EN 0x0003050
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#define ACP_SW_AUDIO1_TX_EN_STATUS 0x0003054
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#define ACP_SW_AUDIO1_TX_FRAME_FORMAT 0x0003058
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#define ACP_SW_AUDIO1_TX_SAMPLEINTERVAL 0x000305c
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#define ACP_SW_AUDIO1_TX_HCTRL 0x0003060
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#define ACP_SW_AUDIO1_TX_OFFSET 0x0003064
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#define ACP_SW_AUDIO1_TX_CHANNEL_ENABLE_DP0 0x0003068
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#define ACP_SW_AUDIO2_TX_EN 0x000306c
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#define ACP_SW_AUDIO2_TX_EN_STATUS 0x0003070
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#define ACP_SW_AUDIO2_TX_FRAME_FORMAT 0x0003074
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#define ACP_SW_AUDIO2_TX_SAMPLEINTERVAL 0x0003078
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#define ACP_SW_AUDIO2_TX_HCTRL 0x000307c
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#define ACP_SW_AUDIO2_TX_OFFSET 0x0003080
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#define ACP_SW_AUDIO2_TX_CHANNEL_ENABLE_DP0 0x0003084
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#define ACP_SW_AUDIO0_RX_EN 0x0003088
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#define ACP_SW_AUDIO0_RX_EN_STATUS 0x000308c
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#define ACP_SW_AUDIO0_RX_FRAME_FORMAT 0x0003090
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#define ACP_SW_AUDIO0_RX_SAMPLEINTERVAL 0x0003094
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#define ACP_SW_AUDIO0_RX_HCTRL_DP0 0x0003098
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#define ACP_SW_AUDIO0_RX_HCTRL_DP1 0x000309c
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#define ACP_SW_AUDIO0_RX_HCTRL_DP2 0x0003100
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#define ACP_SW_AUDIO0_RX_HCTRL_DP3 0x0003104
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#define ACP_SW_AUDIO0_RX_OFFSET_DP0 0x0003108
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#define ACP_SW_AUDIO0_RX_OFFSET_DP1 0x000310c
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#define ACP_SW_AUDIO0_RX_OFFSET_DP2 0x0003110
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#define ACP_SW_AUDIO0_RX_OFFSET_DP3 0x0003114
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#define ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP0 0x0003118
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#define ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP1 0x000311c
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#define ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP2 0x0003120
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#define ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP3 0x0003124
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#define ACP_SW_AUDIO1_RX_EN 0x0003128
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#define ACP_SW_AUDIO1_RX_EN_STATUS 0x000312c
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#define ACP_SW_AUDIO1_RX_FRAME_FORMAT 0x0003130
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#define ACP_SW_AUDIO1_RX_SAMPLEINTERVAL 0x0003134
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#define ACP_SW_AUDIO1_RX_HCTRL 0x0003138
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#define ACP_SW_AUDIO1_RX_OFFSET 0x000313c
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#define ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0 0x0003140
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#define ACP_SW_AUDIO2_RX_EN 0x0003144
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#define ACP_SW_AUDIO2_RX_EN_STATUS 0x0003148
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#define ACP_SW_AUDIO2_RX_FRAME_FORMAT 0x000314c
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#define ACP_SW_AUDIO2_RX_SAMPLEINTERVAL 0x0003150
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#define ACP_SW_AUDIO2_RX_HCTRL 0x0003154
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#define ACP_SW_AUDIO2_RX_OFFSET 0x0003158
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#define ACP_SW_AUDIO2_RX_CHANNEL_ENABLE_DP0 0x000315c
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#define ACP_SW_BPT_PORT_EN 0x0003160
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#define ACP_SW_BPT_PORT_EN_STATUS 0x0003164
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#define ACP_SW_BPT_PORT_FRAME_FORMAT 0x0003168
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#define ACP_SW_BPT_PORT_SAMPLEINTERVAL 0x000316c
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#define ACP_SW_BPT_PORT_HCTRL 0x0003170
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#define ACP_SW_BPT_PORT_OFFSET 0x0003174
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#define ACP_SW_BPT_PORT_CHANNEL_ENABLE 0x0003178
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#define ACP_SW_BPT_PORT_FIRST_BYTE_ADDR 0x000317c
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#define ACP_SW_CLK_RESUME_CTRL 0x0003180
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#define ACP_SW_CLK_RESUME_DELAY_CNTR 0x0003184
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#define ACP_SW_BUS_RESET_CTRL 0x0003188
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#define ACP_SW_PRBS_ERR_STATUS 0x000318c
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#define ACP_SW_IMM_CMD_UPPER_WORD 0x0003230
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#define ACP_SW_IMM_CMD_LOWER_QWORD 0x0003234
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#define ACP_SW_IMM_RESP_UPPER_WORD 0x0003238
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#define ACP_SW_IMM_RESP_LOWER_QWORD 0x000323c
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#define ACP_SW_IMM_CMD_STS 0x0003240
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#define ACP_SW_BRA_BASE_ADDRESS 0x0003244
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#define ACP_SW_BRA_TRANSFER_SIZE 0x0003248
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#define ACP_SW_BRA_DMA_BUSY 0x000324c
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#define ACP_SW_BRA_RESP 0x0003250
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#define ACP_SW_BRA_RESP_FRAME_ADDR 0x0003254
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#define ACP_SW_BRA_CURRENT_TRANSFER_SIZE 0x0003258
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#define ACP_SW_STATE_CHANGE_STATUS_0TO7 0x000325c
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#define ACP_SW_STATE_CHANGE_STATUS_8TO11 0x0003260
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#define ACP_SW_STATE_CHANGE_STATUS_MASK_0TO7 0x0003264
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#define ACP_SW_STATE_CHANGE_STATUS_MASK_8TO11 0x0003268
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#define ACP_SW_CLK_FREQUENCY_CTRL 0x000326c
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#define ACP_SW_ERROR_INTR_MASK 0x0003270
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#define ACP_SW_PHY_TEST_MODE_DATA_OFF 0x0003274
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#define ACP_DELAY_US 10
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#define AMD_SDW_TIMEOUT 1000
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#define AMD_SDW_DEFAULT_CLK_FREQ 12000000
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#define AMD_SDW_MCP_RESP_ACK BIT(0)
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#define AMD_SDW_MCP_RESP_NACK BIT(1)
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#define AMD_SDW_MCP_RESP_RDATA GENMASK(14, 7)
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#define AMD_SDW_MCP_CMD_SSP_TAG BIT(31)
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#define AMD_SDW_MCP_CMD_COMMAND GENMASK(14, 12)
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#define AMD_SDW_MCP_CMD_DEV_ADDR GENMASK(11, 8)
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#define AMD_SDW_MCP_CMD_REG_ADDR_HIGH GENMASK(7, 0)
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#define AMD_SDW_MCP_CMD_REG_ADDR_LOW GENMASK(31, 24)
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#define AMD_SDW_MCP_CMD_REG_DATA GENMASK(14, 7)
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#define AMD_SDW_MCP_SLAVE_STAT_0_3 GENMASK(14, 7)
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#define AMD_SDW_MCP_SLAVE_STAT_4_11 GENMASK_ULL(39, 24)
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#define AMD_SDW_MCP_SLAVE_STATUS_MASK GENMASK(1, 0)
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#define AMD_SDW_MCP_SLAVE_STATUS_BITS GENMASK(3, 2)
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#define AMD_SDW_MCP_SLAVE_STATUS_8TO_11 GENMASK_ULL(15, 0)
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#define AMD_SDW_MCP_SLAVE_STATUS_VALID_MASK(x) BIT(((x) * 4))
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#define AMD_SDW_MCP_SLAVE_STAT_SHIFT_MASK(x) (((x) * 4) + 1)
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#define AMD_SDW_MASTER_SUSPEND_DELAY_MS 2000
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#define AMD_SDW_QUIRK_MASK_BUS_ENABLE BIT(0)
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#define AMD_SDW_IMM_RES_VALID 1
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#define AMD_SDW_IMM_CMD_BUSY 2
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#define AMD_SDW_ENABLE 1
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#define AMD_SDW_DISABLE 0
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#define AMD_SDW_BUS_RESET_CLEAR_REQ 0
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#define AMD_SDW_BUS_RESET_REQ 1
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#define AMD_SDW_BUS_RESET_DONE 2
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#define AMD_SDW_BUS_BASE_FREQ 24000000
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#define AMD_SDW0_EXT_INTR_MASK 0x200000
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#define AMD_SDW1_EXT_INTR_MASK 4
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#define AMD_SDW_IRQ_MASK_0TO7 0x77777777
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#define AMD_SDW_IRQ_MASK_8TO11 0x000d7777
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#define AMD_SDW_IRQ_ERROR_MASK 0xff
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#define AMD_SDW_MAX_FREQ_NUM 1
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#define AMD_SDW0_MAX_TX_PORTS 3
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#define AMD_SDW0_MAX_RX_PORTS 3
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#define AMD_SDW1_MAX_TX_PORTS 1
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#define AMD_SDW1_MAX_RX_PORTS 1
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#define AMD_SDW0_MAX_DAI 6
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#define AMD_SDW1_MAX_DAI 2
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#define AMD_SDW_SLAVE_0_ATTACHED 5
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#define AMD_SDW_SSP_COUNTER_VAL 3
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#define AMD_DPN_FRAME_FMT_PFM GENMASK(1, 0)
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#define AMD_DPN_FRAME_FMT_PDM GENMASK(3, 2)
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#define AMD_DPN_FRAME_FMT_BLK_PKG_MODE BIT(4)
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#define AMD_DPN_FRAME_FMT_BLK_GRP_CTRL GENMASK(6, 5)
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#define AMD_DPN_FRAME_FMT_WORD_LEN GENMASK(12, 7)
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#define AMD_DPN_FRAME_FMT_PCM_OR_PDM BIT(13)
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#define AMD_DPN_HCTRL_HSTOP GENMASK(3, 0)
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#define AMD_DPN_HCTRL_HSTART GENMASK(7, 4)
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#define AMD_DPN_OFFSET_CTRL_1 GENMASK(7, 0)
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#define AMD_DPN_OFFSET_CTRL_2 GENMASK(15, 8)
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#define AMD_DPN_CH_EN_LCTRL GENMASK(2, 0)
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#define AMD_DPN_CH_EN_CHMASK GENMASK(10, 3)
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#define AMD_SDW_STAT_MAX_RETRY_COUNT 100
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#define AMD_SDW0_PAD_PULLDOWN_CTRL_ENABLE_MASK 0x7f9f
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#define AMD_SDW1_PAD_PULLDOWN_CTRL_ENABLE_MASK 0x7ffa
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#define AMD_SDW0_PAD_PULLDOWN_CTRL_DISABLE_MASK 0x60
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#define AMD_SDW1_PAD_PULLDOWN_CTRL_DISABLE_MASK 5
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#define AMD_SDW0_PAD_KEEPER_EN_MASK 1
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#define AMD_SDW1_PAD_KEEPER_EN_MASK 0x10
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#define AMD_SDW0_PAD_KEEPER_DISABLE_MASK 0x1e
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#define AMD_SDW1_PAD_KEEPER_DISABLE_MASK 0xf
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#define AMD_SDW_PREQ_INTR_STAT BIT(19)
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#define AMD_SDW_CLK_STOP_DONE 1
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#define AMD_SDW_CLK_RESUME_REQ 2
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#define AMD_SDW_CLK_RESUME_DONE 3
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#define AMD_SDW_WAKE_STAT_MASK BIT(16)
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static u32 amd_sdw_freq_tbl[AMD_SDW_MAX_FREQ_NUM] = {
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AMD_SDW_DEFAULT_CLK_FREQ,
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};
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struct sdw_manager_dp_reg {
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u32 frame_fmt_reg;
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u32 sample_int_reg;
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u32 hctrl_dp0_reg;
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u32 offset_reg;
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u32 lane_ctrl_ch_en_reg;
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};
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/*
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* SDW0 Manager instance registers 6 CPU DAI (3 TX & 3 RX Ports)
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* whereas SDW1 Manager Instance registers 2 CPU DAI (one TX & one RX port)
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* Below is the CPU DAI <->Manager port number mapping
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* i.e SDW0 Pin0 -> port number 0 -> AUDIO0 TX
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* SDW0 Pin1 -> Port number 1 -> AUDIO1 TX
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* SDW0 Pin2 -> Port number 2 -> AUDIO2 TX
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* SDW0 Pin3 -> port number 3 -> AUDIO0 RX
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* SDW0 Pin4 -> Port number 4 -> AUDIO1 RX
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* SDW0 Pin5 -> Port number 5 -> AUDIO2 RX
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* Whereas for SDW1 instance
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* SDW1 Pin0 -> port number 0 -> AUDIO1 TX
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* SDW1 Pin1 -> Port number 1 -> AUDIO1 RX
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* Same mapping should be used for programming DMA controller registers in SoundWire DMA driver.
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* i.e if AUDIO0 TX channel is selected then we need to use AUDIO0 TX registers for DMA programming
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* in SoundWire DMA driver.
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*/
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static struct sdw_manager_dp_reg sdw0_manager_dp_reg[AMD_SDW0_MAX_DAI] = {
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{ACP_SW_AUDIO0_TX_FRAME_FORMAT, ACP_SW_AUDIO0_TX_SAMPLEINTERVAL, ACP_SW_AUDIO0_TX_HCTRL_DP0,
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ACP_SW_AUDIO0_TX_OFFSET_DP0, ACP_SW_AUDIO0_TX_CHANNEL_ENABLE_DP0},
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{ACP_SW_AUDIO1_TX_FRAME_FORMAT, ACP_SW_AUDIO1_TX_SAMPLEINTERVAL, ACP_SW_AUDIO1_TX_HCTRL,
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ACP_SW_AUDIO1_TX_OFFSET, ACP_SW_AUDIO1_TX_CHANNEL_ENABLE_DP0},
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{ACP_SW_AUDIO2_TX_FRAME_FORMAT, ACP_SW_AUDIO2_TX_SAMPLEINTERVAL, ACP_SW_AUDIO2_TX_HCTRL,
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ACP_SW_AUDIO2_TX_OFFSET, ACP_SW_AUDIO2_TX_CHANNEL_ENABLE_DP0},
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{ACP_SW_AUDIO0_RX_FRAME_FORMAT, ACP_SW_AUDIO0_RX_SAMPLEINTERVAL, ACP_SW_AUDIO0_RX_HCTRL_DP0,
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ACP_SW_AUDIO0_RX_OFFSET_DP0, ACP_SW_AUDIO0_RX_CHANNEL_ENABLE_DP0},
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{ACP_SW_AUDIO1_RX_FRAME_FORMAT, ACP_SW_AUDIO1_RX_SAMPLEINTERVAL, ACP_SW_AUDIO1_RX_HCTRL,
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ACP_SW_AUDIO1_RX_OFFSET, ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0},
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{ACP_SW_AUDIO2_RX_FRAME_FORMAT, ACP_SW_AUDIO2_RX_SAMPLEINTERVAL, ACP_SW_AUDIO2_RX_HCTRL,
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ACP_SW_AUDIO2_RX_OFFSET, ACP_SW_AUDIO2_RX_CHANNEL_ENABLE_DP0},
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};
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static struct sdw_manager_dp_reg sdw1_manager_dp_reg[AMD_SDW1_MAX_DAI] = {
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{ACP_SW_AUDIO1_TX_FRAME_FORMAT, ACP_SW_AUDIO1_TX_SAMPLEINTERVAL, ACP_SW_AUDIO1_TX_HCTRL,
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ACP_SW_AUDIO1_TX_OFFSET, ACP_SW_AUDIO1_TX_CHANNEL_ENABLE_DP0},
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{ACP_SW_AUDIO1_RX_FRAME_FORMAT, ACP_SW_AUDIO1_RX_SAMPLEINTERVAL, ACP_SW_AUDIO1_RX_HCTRL,
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ACP_SW_AUDIO1_RX_OFFSET, ACP_SW_AUDIO1_RX_CHANNEL_ENABLE_DP0}
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};
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static struct sdw_manager_reg_mask sdw_manager_reg_mask_array[2] = {
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{
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AMD_SDW0_PAD_KEEPER_EN_MASK,
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AMD_SDW0_PAD_PULLDOWN_CTRL_ENABLE_MASK,
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AMD_SDW0_EXT_INTR_MASK
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},
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{
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AMD_SDW1_PAD_KEEPER_EN_MASK,
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AMD_SDW1_PAD_PULLDOWN_CTRL_ENABLE_MASK,
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AMD_SDW1_EXT_INTR_MASK
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}
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};
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#endif
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