xref: /openbmc/linux/drivers/gpu/drm/rockchip/cdn-dp-reg.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
 * Author: Chris Zhong <zyw@rock-chips.com>
 */

#ifndef _CDN_DP_REG_H
#define _CDN_DP_REG_H

#include <linux/bitops.h>

#define ADDR_IMEM		0x10000
#define ADDR_DMEM		0x20000

/* APB CFG addr */
#define APB_CTRL			0
#define XT_INT_CTRL			0x04
#define MAILBOX_FULL_ADDR		0x08
#define MAILBOX_EMPTY_ADDR		0x0c
#define MAILBOX0_WR_DATA		0x10
#define MAILBOX0_RD_DATA		0x14
#define KEEP_ALIVE			0x18
#define VER_L				0x1c
#define VER_H				0x20
#define VER_LIB_L_ADDR			0x24
#define VER_LIB_H_ADDR			0x28
#define SW_DEBUG_L			0x2c
#define SW_DEBUG_H			0x30
#define MAILBOX_INT_MASK		0x34
#define MAILBOX_INT_STATUS		0x38
#define SW_CLK_L			0x3c
#define SW_CLK_H			0x40
#define SW_EVENTS0			0x44
#define SW_EVENTS1			0x48
#define SW_EVENTS2			0x4c
#define SW_EVENTS3			0x50
#define XT_OCD_CTRL			0x60
#define APB_INT_MASK			0x6c
#define APB_STATUS_MASK			0x70

/* audio decoder addr */
#define AUDIO_SRC_CNTL			0x30000
#define AUDIO_SRC_CNFG			0x30004
#define COM_CH_STTS_BITS		0x30008
#define STTS_BIT_CH(x)			(0x3000c + ((x) << 2))
#define SPDIF_CTRL_ADDR			0x3004c
#define SPDIF_CH1_CS_3100_ADDR		0x30050
#define SPDIF_CH1_CS_6332_ADDR		0x30054
#define SPDIF_CH1_CS_9564_ADDR		0x30058
#define SPDIF_CH1_CS_12796_ADDR		0x3005c
#define SPDIF_CH1_CS_159128_ADDR	0x30060
#define SPDIF_CH1_CS_191160_ADDR	0x30064
#define SPDIF_CH2_CS_3100_ADDR		0x30068
#define SPDIF_CH2_CS_6332_ADDR		0x3006c
#define SPDIF_CH2_CS_9564_ADDR		0x30070
#define SPDIF_CH2_CS_12796_ADDR		0x30074
#define SPDIF_CH2_CS_159128_ADDR	0x30078
#define SPDIF_CH2_CS_191160_ADDR	0x3007c
#define SMPL2PKT_CNTL			0x30080
#define SMPL2PKT_CNFG			0x30084
#define FIFO_CNTL			0x30088
#define FIFO_STTS			0x3008c

/* source pif addr */
#define SOURCE_PIF_WR_ADDR		0x30800
#define SOURCE_PIF_WR_REQ		0x30804
#define SOURCE_PIF_RD_ADDR		0x30808
#define SOURCE_PIF_RD_REQ		0x3080c
#define SOURCE_PIF_DATA_WR		0x30810
#define SOURCE_PIF_DATA_RD		0x30814
#define SOURCE_PIF_FIFO1_FLUSH		0x30818
#define SOURCE_PIF_FIFO2_FLUSH		0x3081c
#define SOURCE_PIF_STATUS		0x30820
#define SOURCE_PIF_INTERRUPT_SOURCE	0x30824
#define SOURCE_PIF_INTERRUPT_MASK	0x30828
#define SOURCE_PIF_PKT_ALLOC_REG	0x3082c
#define SOURCE_PIF_PKT_ALLOC_WR_EN	0x30830
#define SOURCE_PIF_SW_RESET		0x30834

/* bellow registers need access by mailbox */
/* source car addr */
#define SOURCE_HDTX_CAR			0x0900
#define SOURCE_DPTX_CAR			0x0904
#define SOURCE_PHY_CAR			0x0908
#define SOURCE_CEC_CAR			0x090c
#define SOURCE_CBUS_CAR			0x0910
#define SOURCE_PKT_CAR			0x0918
#define SOURCE_AIF_CAR			0x091c
#define SOURCE_CIPHER_CAR		0x0920
#define SOURCE_CRYPTO_CAR		0x0924

/* clock meters addr */
#define CM_CTRL				0x0a00
#define CM_I2S_CTRL			0x0a04
#define CM_SPDIF_CTRL			0x0a08
#define CM_VID_CTRL			0x0a0c
#define CM_LANE_CTRL			0x0a10
#define I2S_NM_STABLE			0x0a14
#define I2S_NCTS_STABLE			0x0a18
#define SPDIF_NM_STABLE			0x0a1c
#define SPDIF_NCTS_STABLE		0x0a20
#define NMVID_MEAS_STABLE		0x0a24
#define I2S_MEAS			0x0a40
#define SPDIF_MEAS			0x0a80
#define NMVID_MEAS			0x0ac0

/* source vif addr */
#define BND_HSYNC2VSYNC			0x0b00
#define HSYNC2VSYNC_F1_L1		0x0b04
#define HSYNC2VSYNC_F2_L1		0x0b08
#define HSYNC2VSYNC_STATUS		0x0b0c
#define HSYNC2VSYNC_POL_CTRL		0x0b10

/* dptx phy addr */
#define DP_TX_PHY_CONFIG_REG		0x2000
#define DP_TX_PHY_SW_RESET		0x2004
#define DP_TX_PHY_SCRAMBLER_SEED	0x2008
#define DP_TX_PHY_TRAINING_01_04	0x200c
#define DP_TX_PHY_TRAINING_05_08	0x2010
#define DP_TX_PHY_TRAINING_09_10	0x2014
#define TEST_COR			0x23fc

/* dptx hpd addr */
#define HPD_IRQ_DET_MIN_TIMER		0x2100
#define HPD_IRQ_DET_MAX_TIMER		0x2104
#define HPD_UNPLGED_DET_MIN_TIMER	0x2108
#define HPD_STABLE_TIMER		0x210c
#define HPD_FILTER_TIMER		0x2110
#define HPD_EVENT_MASK			0x211c
#define HPD_EVENT_DET			0x2120

/* dpyx framer addr */
#define DP_FRAMER_GLOBAL_CONFIG		0x2200
#define DP_SW_RESET			0x2204
#define DP_FRAMER_TU			0x2208
#define DP_FRAMER_PXL_REPR		0x220c
#define DP_FRAMER_SP			0x2210
#define AUDIO_PACK_CONTROL		0x2214
#define DP_VC_TABLE(x)			(0x2218 + ((x) << 2))
#define DP_VB_ID			0x2258
#define DP_MTPH_LVP_CONTROL		0x225c
#define DP_MTPH_SYMBOL_VALUES		0x2260
#define DP_MTPH_ECF_CONTROL		0x2264
#define DP_MTPH_ACT_CONTROL		0x2268
#define DP_MTPH_STATUS			0x226c
#define DP_INTERRUPT_SOURCE		0x2270
#define DP_INTERRUPT_MASK		0x2274
#define DP_FRONT_BACK_PORCH		0x2278
#define DP_BYTE_COUNT			0x227c

/* dptx stream addr */
#define MSA_HORIZONTAL_0		0x2280
#define MSA_HORIZONTAL_1		0x2284
#define MSA_VERTICAL_0			0x2288
#define MSA_VERTICAL_1			0x228c
#define MSA_MISC			0x2290
#define STREAM_CONFIG			0x2294
#define AUDIO_PACK_STATUS		0x2298
#define VIF_STATUS			0x229c
#define PCK_STUFF_STATUS_0		0x22a0
#define PCK_STUFF_STATUS_1		0x22a4
#define INFO_PACK_STATUS		0x22a8
#define RATE_GOVERNOR_STATUS		0x22ac
#define DP_HORIZONTAL			0x22b0
#define DP_VERTICAL_0			0x22b4
#define DP_VERTICAL_1			0x22b8
#define DP_BLOCK_SDP			0x22bc

/* dptx glbl addr */
#define DPTX_LANE_EN			0x2300
#define DPTX_ENHNCD			0x2304
#define DPTX_INT_MASK			0x2308
#define DPTX_INT_STATUS			0x230c

/* dp aux addr */
#define DP_AUX_HOST_CONTROL		0x2800
#define DP_AUX_INTERRUPT_SOURCE		0x2804
#define DP_AUX_INTERRUPT_MASK		0x2808
#define DP_AUX_SWAP_INVERSION_CONTROL	0x280c
#define DP_AUX_SEND_NACK_TRANSACTION	0x2810
#define DP_AUX_CLEAR_RX			0x2814
#define DP_AUX_CLEAR_TX			0x2818
#define DP_AUX_TIMER_STOP		0x281c
#define DP_AUX_TIMER_CLEAR		0x2820
#define DP_AUX_RESET_SW			0x2824
#define DP_AUX_DIVIDE_2M		0x2828
#define DP_AUX_TX_PREACHARGE_LENGTH	0x282c
#define DP_AUX_FREQUENCY_1M_MAX		0x2830
#define DP_AUX_FREQUENCY_1M_MIN		0x2834
#define DP_AUX_RX_PRE_MIN		0x2838
#define DP_AUX_RX_PRE_MAX		0x283c
#define DP_AUX_TIMER_PRESET		0x2840
#define DP_AUX_NACK_FORMAT		0x2844
#define DP_AUX_TX_DATA			0x2848
#define DP_AUX_RX_DATA			0x284c
#define DP_AUX_TX_STATUS		0x2850
#define DP_AUX_RX_STATUS		0x2854
#define DP_AUX_RX_CYCLE_COUNTER		0x2858
#define DP_AUX_MAIN_STATES		0x285c
#define DP_AUX_MAIN_TIMER		0x2860
#define DP_AUX_AFE_OUT			0x2864

/* crypto addr */
#define CRYPTO_HDCP_REVISION		0x5800
#define HDCP_CRYPTO_CONFIG		0x5804
#define CRYPTO_INTERRUPT_SOURCE		0x5808
#define CRYPTO_INTERRUPT_MASK		0x580c
#define CRYPTO22_CONFIG			0x5818
#define CRYPTO22_STATUS			0x581c
#define SHA_256_DATA_IN			0x583c
#define SHA_256_DATA_OUT_(x)		(0x5850 + ((x) << 2))
#define AES_32_KEY_(x)			(0x5870 + ((x) << 2))
#define AES_32_DATA_IN			0x5880
#define AES_32_DATA_OUT_(x)		(0x5884 + ((x) << 2))
#define CRYPTO14_CONFIG			0x58a0
#define CRYPTO14_STATUS			0x58a4
#define CRYPTO14_PRNM_OUT		0x58a8
#define CRYPTO14_KM_0			0x58ac
#define CRYPTO14_KM_1			0x58b0
#define CRYPTO14_AN_0			0x58b4
#define CRYPTO14_AN_1			0x58b8
#define CRYPTO14_YOUR_KSV_0		0x58bc
#define CRYPTO14_YOUR_KSV_1		0x58c0
#define CRYPTO14_MI_0			0x58c4
#define CRYPTO14_MI_1			0x58c8
#define CRYPTO14_TI_0			0x58cc
#define CRYPTO14_KI_0			0x58d0
#define CRYPTO14_KI_1			0x58d4
#define CRYPTO14_BLOCKS_NUM		0x58d8
#define CRYPTO14_KEY_MEM_DATA_0		0x58dc
#define CRYPTO14_KEY_MEM_DATA_1		0x58e0
#define CRYPTO14_SHA1_MSG_DATA		0x58e4
#define CRYPTO14_SHA1_V_VALUE_(x)	(0x58e8 + ((x) << 2))
#define TRNG_CTRL			0x58fc
#define TRNG_DATA_RDY			0x5900
#define TRNG_DATA			0x5904

/* cipher addr */
#define HDCP_REVISION			0x60000
#define INTERRUPT_SOURCE		0x60004
#define INTERRUPT_MASK			0x60008
#define HDCP_CIPHER_CONFIG		0x6000c
#define AES_128_KEY_0			0x60010
#define AES_128_KEY_1			0x60014
#define AES_128_KEY_2			0x60018
#define AES_128_KEY_3			0x6001c
#define AES_128_RANDOM_0		0x60020
#define AES_128_RANDOM_1		0x60024
#define CIPHER14_KM_0			0x60028
#define CIPHER14_KM_1			0x6002c
#define CIPHER14_STATUS			0x60030
#define CIPHER14_RI_PJ_STATUS		0x60034
#define CIPHER_MODE			0x60038
#define CIPHER14_AN_0			0x6003c
#define CIPHER14_AN_1			0x60040
#define CIPHER22_AUTH			0x60044
#define CIPHER14_R0_DP_STATUS		0x60048
#define CIPHER14_BOOTSTRAP		0x6004c

#define DPTX_FRMR_DATA_CLK_RSTN_EN	BIT(11)
#define DPTX_FRMR_DATA_CLK_EN		BIT(10)
#define DPTX_PHY_DATA_RSTN_EN		BIT(9)
#define DPTX_PHY_DATA_CLK_EN		BIT(8)
#define DPTX_PHY_CHAR_RSTN_EN		BIT(7)
#define DPTX_PHY_CHAR_CLK_EN		BIT(6)
#define SOURCE_AUX_SYS_CLK_RSTN_EN	BIT(5)
#define SOURCE_AUX_SYS_CLK_EN		BIT(4)
#define DPTX_SYS_CLK_RSTN_EN		BIT(3)
#define DPTX_SYS_CLK_EN			BIT(2)
#define CFG_DPTX_VIF_CLK_RSTN_EN	BIT(1)
#define CFG_DPTX_VIF_CLK_EN		BIT(0)

#define SOURCE_PHY_RSTN_EN		BIT(1)
#define SOURCE_PHY_CLK_EN		BIT(0)

#define SOURCE_PKT_SYS_RSTN_EN		BIT(3)
#define SOURCE_PKT_SYS_CLK_EN		BIT(2)
#define SOURCE_PKT_DATA_RSTN_EN		BIT(1)
#define SOURCE_PKT_DATA_CLK_EN		BIT(0)

#define SPDIF_CDR_CLK_RSTN_EN		BIT(5)
#define SPDIF_CDR_CLK_EN		BIT(4)
#define SOURCE_AIF_SYS_RSTN_EN		BIT(3)
#define SOURCE_AIF_SYS_CLK_EN		BIT(2)
#define SOURCE_AIF_CLK_RSTN_EN		BIT(1)
#define SOURCE_AIF_CLK_EN		BIT(0)

#define SOURCE_CIPHER_SYSTEM_CLK_RSTN_EN	BIT(3)
#define SOURCE_CIPHER_SYS_CLK_EN		BIT(2)
#define SOURCE_CIPHER_CHAR_CLK_RSTN_EN		BIT(1)
#define SOURCE_CIPHER_CHAR_CLK_EN		BIT(0)

#define SOURCE_CRYPTO_SYS_CLK_RSTN_EN	BIT(1)
#define SOURCE_CRYPTO_SYS_CLK_EN	BIT(0)

#define APB_IRAM_PATH			BIT(2)
#define APB_DRAM_PATH			BIT(1)
#define APB_XT_RESET			BIT(0)

#define MAILBOX_INT_MASK_BIT		BIT(1)
#define PIF_INT_MASK_BIT		BIT(0)
#define ALL_INT_MASK			3

/* mailbox */
#define MB_OPCODE_ID			0
#define MB_MODULE_ID			1
#define MB_SIZE_MSB_ID			2
#define MB_SIZE_LSB_ID			3
#define MB_DATA_ID			4

#define MB_MODULE_ID_DP_TX		0x01
#define MB_MODULE_ID_HDCP_TX		0x07
#define MB_MODULE_ID_HDCP_RX		0x08
#define MB_MODULE_ID_HDCP_GENERAL	0x09
#define MB_MODULE_ID_GENERAL		0x0a

/* general opcode */
#define GENERAL_MAIN_CONTROL            0x01
#define GENERAL_TEST_ECHO               0x02
#define GENERAL_BUS_SETTINGS            0x03
#define GENERAL_TEST_ACCESS             0x04

#define DPTX_SET_POWER_MNG			0x00
#define DPTX_SET_HOST_CAPABILITIES		0x01
#define DPTX_GET_EDID				0x02
#define DPTX_READ_DPCD				0x03
#define DPTX_WRITE_DPCD				0x04
#define DPTX_ENABLE_EVENT			0x05
#define DPTX_WRITE_REGISTER			0x06
#define DPTX_READ_REGISTER			0x07
#define DPTX_WRITE_FIELD			0x08
#define DPTX_TRAINING_CONTROL			0x09
#define DPTX_READ_EVENT				0x0a
#define DPTX_READ_LINK_STAT			0x0b
#define DPTX_SET_VIDEO				0x0c
#define DPTX_SET_AUDIO				0x0d
#define DPTX_GET_LAST_AUX_STAUS			0x0e
#define DPTX_SET_LINK_BREAK_POINT		0x0f
#define DPTX_FORCE_LANES			0x10
#define DPTX_HPD_STATE				0x11

#define FW_STANDBY				0
#define FW_ACTIVE				1

#define DPTX_EVENT_ENABLE_HPD			BIT(0)
#define DPTX_EVENT_ENABLE_TRAINING		BIT(1)

#define LINK_TRAINING_NOT_ACTIVE		0
#define LINK_TRAINING_RUN			1
#define LINK_TRAINING_RESTART			2

#define CONTROL_VIDEO_IDLE			0
#define CONTROL_VIDEO_VALID			1

#define TU_CNT_RST_EN				BIT(15)
#define VIF_BYPASS_INTERLACE			BIT(13)
#define INTERLACE_FMT_DET			BIT(12)
#define INTERLACE_DTCT_WIN			0x20

#define DP_FRAMER_SP_INTERLACE_EN		BIT(2)
#define DP_FRAMER_SP_HSP			BIT(1)
#define DP_FRAMER_SP_VSP			BIT(0)

/* capability */
#define AUX_HOST_INVERT				3
#define	FAST_LT_SUPPORT				1
#define FAST_LT_NOT_SUPPORT			0
#define LANE_MAPPING_NORMAL			0x1b
#define LANE_MAPPING_FLIPPED			0xe4
#define ENHANCED				1
#define SCRAMBLER_EN				BIT(4)

#define	FULL_LT_STARTED				BIT(0)
#define FASE_LT_STARTED				BIT(1)
#define CLK_RECOVERY_FINISHED			BIT(2)
#define EQ_PHASE_FINISHED			BIT(3)
#define FASE_LT_START_FINISHED			BIT(4)
#define CLK_RECOVERY_FAILED			BIT(5)
#define EQ_PHASE_FAILED				BIT(6)
#define FASE_LT_FAILED				BIT(7)

#define DPTX_HPD_EVENT				BIT(0)
#define DPTX_TRAINING_EVENT			BIT(1)
#define HDCP_TX_STATUS_EVENT			BIT(4)
#define HDCP2_TX_IS_KM_STORED_EVENT		BIT(5)
#define HDCP2_TX_STORE_KM_EVENT			BIT(6)
#define HDCP_TX_IS_RECEIVER_ID_VALID_EVENT	BIT(7)

#define TU_SIZE					30
#define CDN_DP_MAX_LINK_RATE			DP_LINK_BW_5_4

/* audio */
#define AUDIO_PACK_EN				BIT(8)
#define SAMPLING_FREQ(x)			(((x) & 0xf) << 16)
#define ORIGINAL_SAMP_FREQ(x)			(((x) & 0xf) << 24)
#define SYNC_WR_TO_CH_ZERO			BIT(1)
#define I2S_DEC_START				BIT(1)
#define AUDIO_SW_RST				BIT(0)
#define SMPL2PKT_EN				BIT(1)
#define MAX_NUM_CH(x)				(((x) & 0x1f) - 1)
#define NUM_OF_I2S_PORTS(x)			((((x) / 2 - 1) & 0x3) << 5)
#define AUDIO_TYPE_LPCM				(2 << 7)
#define CFG_SUB_PCKT_NUM(x)			((((x) - 1) & 0x7) << 11)
#define AUDIO_CH_NUM(x)				((((x) - 1) & 0x1f) << 2)
#define TRANS_SMPL_WIDTH_16			0
#define TRANS_SMPL_WIDTH_24			BIT(11)
#define TRANS_SMPL_WIDTH_32			(2 << 11)
#define I2S_DEC_PORT_EN(x)			(((x) & 0xf) << 17)
#define SPDIF_ENABLE				BIT(21)
#define SPDIF_AVG_SEL				BIT(20)
#define SPDIF_JITTER_BYPASS			BIT(19)
#define SPDIF_FIFO_MID_RANGE(x)			(((x) & 0xff) << 11)
#define SPDIF_JITTER_THRSH(x)			(((x) & 0xff) << 3)
#define SPDIF_JITTER_AVG_WIN(x)			((x) & 0x7)

/* Reference cycles when using lane clock as reference */
#define LANE_REF_CYC				0x8000

enum voltage_swing_level {
	VOLTAGE_LEVEL_0,
	VOLTAGE_LEVEL_1,
	VOLTAGE_LEVEL_2,
	VOLTAGE_LEVEL_3,
};

enum pre_emphasis_level {
	PRE_EMPHASIS_LEVEL_0,
	PRE_EMPHASIS_LEVEL_1,
	PRE_EMPHASIS_LEVEL_2,
	PRE_EMPHASIS_LEVEL_3,
};

enum pattern_set {
	PTS1		= BIT(0),
	PTS2		= BIT(1),
	PTS3		= BIT(2),
	PTS4		= BIT(3),
	DP_NONE		= BIT(4)
};

enum vic_color_depth {
	BCS_6 = 0x1,
	BCS_8 = 0x2,
	BCS_10 = 0x4,
	BCS_12 = 0x8,
	BCS_16 = 0x10,
};

enum vic_bt_type {
	BT_601 = 0x0,
	BT_709 = 0x1,
};

void cdn_dp_clock_reset(struct cdn_dp_device *dp);

void cdn_dp_set_fw_clk(struct cdn_dp_device *dp, unsigned long clk);
int cdn_dp_load_firmware(struct cdn_dp_device *dp, const u32 *i_mem,
			 u32 i_size, const u32 *d_mem, u32 d_size);
int cdn_dp_set_firmware_active(struct cdn_dp_device *dp, bool enable);
int cdn_dp_set_host_cap(struct cdn_dp_device *dp, u8 lanes, bool flip);
int cdn_dp_event_config(struct cdn_dp_device *dp);
u32 cdn_dp_get_event(struct cdn_dp_device *dp);
int cdn_dp_get_hpd_status(struct cdn_dp_device *dp);
int cdn_dp_dpcd_write(struct cdn_dp_device *dp, u32 addr, u8 value);
int cdn_dp_dpcd_read(struct cdn_dp_device *dp, u32 addr, u8 *data, u16 len);
int cdn_dp_get_edid_block(void *dp, u8 *edid,
			  unsigned int block, size_t length);
int cdn_dp_train_link(struct cdn_dp_device *dp);
int cdn_dp_set_video_status(struct cdn_dp_device *dp, int active);
int cdn_dp_config_video(struct cdn_dp_device *dp);
int cdn_dp_audio_stop(struct cdn_dp_device *dp, struct audio_info *audio);
int cdn_dp_audio_mute(struct cdn_dp_device *dp, bool enable);
int cdn_dp_audio_config(struct cdn_dp_device *dp, struct audio_info *audio);
#endif /* _CDN_DP_REG_H */