257 lines
7.2 KiB
C
257 lines
7.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright(c) 2016, Analogix Semiconductor.
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*
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* Based on anx7808 driver obtained from chromeos with copyright:
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* Copyright(c) 2013, Google Inc.
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*/
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#ifndef _ANALOGIX_I2C_DPTX_H_
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#define _ANALOGIX_I2C_DPTX_H_
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/***************************************************************/
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/* Register definitions for TX_P0 */
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/***************************************************************/
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/* HDCP Status Register */
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#define SP_TX_HDCP_STATUS_REG 0x00
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#define SP_AUTH_FAIL BIT(5)
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#define SP_AUTHEN_PASS BIT(1)
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/* HDCP Control Register 0 */
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#define SP_HDCP_CTRL0_REG 0x01
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#define SP_RX_REPEATER BIT(6)
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#define SP_RE_AUTH BIT(5)
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#define SP_SW_AUTH_OK BIT(4)
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#define SP_HARD_AUTH_EN BIT(3)
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#define SP_HDCP_ENC_EN BIT(2)
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#define SP_BKSV_SRM_PASS BIT(1)
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#define SP_KSVLIST_VLD BIT(0)
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/* HDCP Function Enabled */
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#define SP_HDCP_FUNCTION_ENABLED (BIT(0) | BIT(1) | BIT(2) | BIT(3))
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/* HDCP Receiver BSTATUS Register 0 */
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#define SP_HDCP_RX_BSTATUS0_REG 0x1b
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/* HDCP Receiver BSTATUS Register 1 */
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#define SP_HDCP_RX_BSTATUS1_REG 0x1c
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/* HDCP Embedded "Blue Screen" Content Registers */
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#define SP_HDCP_VID0_BLUE_SCREEN_REG 0x2c
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#define SP_HDCP_VID1_BLUE_SCREEN_REG 0x2d
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#define SP_HDCP_VID2_BLUE_SCREEN_REG 0x2e
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/* HDCP Wait R0 Timing Register */
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#define SP_HDCP_WAIT_R0_TIME_REG 0x40
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/* HDCP Link Integrity Check Timer Register */
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#define SP_HDCP_LINK_CHECK_TIMER_REG 0x41
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/* HDCP Repeater Ready Wait Timer Register */
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#define SP_HDCP_RPTR_RDY_WAIT_TIME_REG 0x42
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/* HDCP Auto Timer Register */
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#define SP_HDCP_AUTO_TIMER_REG 0x51
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/* HDCP Key Status Register */
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#define SP_HDCP_KEY_STATUS_REG 0x5e
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/* HDCP Key Command Register */
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#define SP_HDCP_KEY_COMMAND_REG 0x5f
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#define SP_DISABLE_SYNC_HDCP BIT(2)
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/* OTP Memory Key Protection Registers */
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#define SP_OTP_KEY_PROTECT1_REG 0x60
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#define SP_OTP_KEY_PROTECT2_REG 0x61
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#define SP_OTP_KEY_PROTECT3_REG 0x62
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#define SP_OTP_PSW1 0xa2
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#define SP_OTP_PSW2 0x7e
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#define SP_OTP_PSW3 0xc6
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/* DP System Control Registers */
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#define SP_DP_SYSTEM_CTRL_BASE (0x80 - 1)
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/* Bits for DP System Control Register 2 */
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#define SP_CHA_STA BIT(2)
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/* Bits for DP System Control Register 3 */
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#define SP_HPD_STATUS BIT(6)
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#define SP_HPD_FORCE BIT(5)
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#define SP_HPD_CTRL BIT(4)
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#define SP_STRM_VALID BIT(2)
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#define SP_STRM_FORCE BIT(1)
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#define SP_STRM_CTRL BIT(0)
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/* Bits for DP System Control Register 4 */
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#define SP_ENHANCED_MODE BIT(3)
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/* DP Video Control Register */
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#define SP_DP_VIDEO_CTRL_REG 0x84
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#define SP_COLOR_F_MASK 0x06
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#define SP_COLOR_F_SHIFT 1
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#define SP_BPC_MASK 0xe0
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#define SP_BPC_SHIFT 5
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# define SP_BPC_6BITS 0x00
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# define SP_BPC_8BITS 0x01
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# define SP_BPC_10BITS 0x02
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# define SP_BPC_12BITS 0x03
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/* DP Audio Control Register */
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#define SP_DP_AUDIO_CTRL_REG 0x87
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#define SP_AUD_EN BIT(0)
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/* 10us Pulse Generate Timer Registers */
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#define SP_I2C_GEN_10US_TIMER0_REG 0x88
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#define SP_I2C_GEN_10US_TIMER1_REG 0x89
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/* Packet Send Control Register */
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#define SP_PACKET_SEND_CTRL_REG 0x90
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#define SP_AUD_IF_UP BIT(7)
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#define SP_AVI_IF_UD BIT(6)
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#define SP_MPEG_IF_UD BIT(5)
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#define SP_SPD_IF_UD BIT(4)
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#define SP_AUD_IF_EN BIT(3)
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#define SP_AVI_IF_EN BIT(2)
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#define SP_MPEG_IF_EN BIT(1)
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#define SP_SPD_IF_EN BIT(0)
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/* DP HDCP Control Register */
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#define SP_DP_HDCP_CTRL_REG 0x92
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#define SP_AUTO_EN BIT(7)
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#define SP_AUTO_START BIT(5)
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#define SP_LINK_POLLING BIT(1)
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/* DP Main Link Bandwidth Setting Register */
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#define SP_DP_MAIN_LINK_BW_SET_REG 0xa0
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#define SP_LINK_BW_SET_MASK 0x1f
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#define SP_INITIAL_SLIM_M_AUD_SEL BIT(5)
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/* DP Lane Count Setting Register */
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#define SP_DP_LANE_COUNT_SET_REG 0xa1
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/* DP Training Pattern Set Register */
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#define SP_DP_TRAINING_PATTERN_SET_REG 0xa2
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/* DP Lane 0 Link Training Control Register */
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#define SP_DP_LANE0_LT_CTRL_REG 0xa3
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#define SP_TX_SW_SET_MASK 0x1b
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#define SP_MAX_PRE_REACH BIT(5)
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#define SP_MAX_DRIVE_REACH BIT(4)
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#define SP_PRE_EMP_LEVEL1 BIT(3)
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#define SP_DRVIE_CURRENT_LEVEL1 BIT(0)
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/* DP Link Training Control Register */
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#define SP_DP_LT_CTRL_REG 0xa8
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#define SP_DP_LT_INPROGRESS 0x80
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#define SP_LT_ERROR_TYPE_MASK 0x70
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# define SP_LT_NO_ERROR 0x00
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# define SP_LT_AUX_WRITE_ERROR 0x01
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# define SP_LT_MAX_DRIVE_REACHED 0x02
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# define SP_LT_WRONG_LANE_COUNT_SET 0x03
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# define SP_LT_LOOP_SAME_5_TIME 0x04
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# define SP_LT_CR_FAIL_IN_EQ 0x05
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# define SP_LT_EQ_LOOP_5_TIME 0x06
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#define SP_LT_EN BIT(0)
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/* DP CEP Training Control Registers */
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#define SP_DP_CEP_TRAINING_CTRL0_REG 0xa9
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#define SP_DP_CEP_TRAINING_CTRL1_REG 0xaa
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/* DP Debug Register 1 */
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#define SP_DP_DEBUG1_REG 0xb0
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#define SP_DEBUG_PLL_LOCK BIT(4)
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#define SP_POLLING_EN BIT(1)
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/* DP Polling Control Register */
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#define SP_DP_POLLING_CTRL_REG 0xb4
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#define SP_AUTO_POLLING_DISABLE BIT(0)
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/* DP Link Debug Control Register */
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#define SP_DP_LINK_DEBUG_CTRL_REG 0xb8
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#define SP_M_VID_DEBUG BIT(5)
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#define SP_NEW_PRBS7 BIT(4)
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#define SP_INSERT_ER BIT(1)
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#define SP_PRBS31_EN BIT(0)
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/* AUX Misc control Register */
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#define SP_AUX_MISC_CTRL_REG 0xbf
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/* DP PLL control Register */
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#define SP_DP_PLL_CTRL_REG 0xc7
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#define SP_PLL_RST BIT(6)
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/* DP Analog Power Down Register */
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#define SP_DP_ANALOG_POWER_DOWN_REG 0xc8
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#define SP_CH0_PD BIT(0)
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/* DP Misc Control Register */
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#define SP_DP_MISC_CTRL_REG 0xcd
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#define SP_EQ_TRAINING_LOOP BIT(6)
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/* DP Extra I2C Device Address Register */
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#define SP_DP_EXTRA_I2C_DEV_ADDR_REG 0xce
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#define SP_I2C_STRETCH_DISABLE BIT(7)
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#define SP_I2C_EXTRA_ADDR 0x50
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/* DP Downspread Control Register 1 */
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#define SP_DP_DOWNSPREAD_CTRL1_REG 0xd0
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/* DP M Value Calculation Control Register */
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#define SP_DP_M_CALCULATION_CTRL_REG 0xd9
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#define SP_M_GEN_CLK_SEL BIT(0)
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/* AUX Channel Access Status Register */
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#define SP_AUX_CH_STATUS_REG 0xe0
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#define SP_AUX_STATUS 0x0f
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/* AUX Channel DEFER Control Register */
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#define SP_AUX_DEFER_CTRL_REG 0xe2
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#define SP_DEFER_CTRL_EN BIT(7)
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/* DP Buffer Data Count Register */
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#define SP_BUF_DATA_COUNT_REG 0xe4
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#define SP_BUF_DATA_COUNT_MASK 0x1f
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#define SP_BUF_CLR BIT(7)
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/* DP AUX Channel Control Register 1 */
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#define SP_DP_AUX_CH_CTRL1_REG 0xe5
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#define SP_AUX_TX_COMM_MASK 0x0f
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#define SP_AUX_LENGTH_MASK 0xf0
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#define SP_AUX_LENGTH_SHIFT 4
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/* DP AUX CH Address Register 0 */
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#define SP_AUX_ADDR_7_0_REG 0xe6
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/* DP AUX CH Address Register 1 */
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#define SP_AUX_ADDR_15_8_REG 0xe7
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/* DP AUX CH Address Register 2 */
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#define SP_AUX_ADDR_19_16_REG 0xe8
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#define SP_AUX_ADDR_19_16_MASK 0x0f
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/* DP AUX Channel Control Register 2 */
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#define SP_DP_AUX_CH_CTRL2_REG 0xe9
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#define SP_AUX_SEL_RXCM BIT(6)
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#define SP_AUX_CHSEL BIT(3)
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#define SP_AUX_PN_INV BIT(2)
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#define SP_ADDR_ONLY BIT(1)
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#define SP_AUX_EN BIT(0)
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/* DP Video Stream Control InfoFrame Register */
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#define SP_DP_3D_VSC_CTRL_REG 0xea
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#define SP_INFO_FRAME_VSC_EN BIT(0)
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/* DP Video Stream Data Byte 1 Register */
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#define SP_DP_VSC_DB1_REG 0xeb
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/* DP AUX Channel Control Register 3 */
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#define SP_DP_AUX_CH_CTRL3_REG 0xec
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#define SP_WAIT_COUNTER_7_0_MASK 0xff
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/* DP AUX Channel Control Register 4 */
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#define SP_DP_AUX_CH_CTRL4_REG 0xed
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/* DP AUX Buffer Data Registers */
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#define SP_DP_BUF_DATA0_REG 0xf0
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ssize_t anx_dp_aux_transfer(struct regmap *map_dptx,
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struct drm_dp_aux_msg *msg);
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#endif
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