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drm/bridge: anx7625: Add anx7625 MIPI DSI/DPI to DP
The ANX7625 is an ultra-low power 4K Mobile HD Transmitter designed for portable device. It converts MIPI DSI/DPI to DisplayPort 1.3 4K. Signed-off-by: Xin Ji <xji@analogixsemi.com> Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/528b76c1a4f7b6ea85371bfae4bde389aec4bb24.1600423932.git.xji@analogixsemi.com
This commit is contained in:
Xin Ji
Sam Ravnborg
parent
9aab66010e
commit
8bdfc5dae4
4 changed files with 2250 additions and 0 deletions
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@ -25,3 +25,12 @@ config DRM_ANALOGIX_ANX78XX
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config DRM_ANALOGIX_DP
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config DRM_ANALOGIX_DP
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tristate
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tristate
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depends on DRM
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depends on DRM
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config DRM_ANALOGIX_ANX7625
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tristate "Analogix Anx7625 MIPI to DP interface support"
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depends on DRM
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depends on OF
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help
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ANX7625 is an ultra-low power 4K mobile HD transmitter
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designed for portable devices. It converts MIPI/DPI to
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DisplayPort1.3 4K.
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@ -1,5 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0-only
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# SPDX-License-Identifier: GPL-2.0-only
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analogix_dp-objs := analogix_dp_core.o analogix_dp_reg.o analogix-i2c-dptx.o
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analogix_dp-objs := analogix_dp_core.o analogix_dp_reg.o analogix-i2c-dptx.o
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obj-$(CONFIG_DRM_ANALOGIX_ANX6345) += analogix-anx6345.o
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obj-$(CONFIG_DRM_ANALOGIX_ANX6345) += analogix-anx6345.o
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obj-$(CONFIG_DRM_ANALOGIX_ANX7625) += anx7625.o
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obj-$(CONFIG_DRM_ANALOGIX_ANX78XX) += analogix-anx78xx.o
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obj-$(CONFIG_DRM_ANALOGIX_ANX78XX) += analogix-anx78xx.o
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obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix_dp.o
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obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix_dp.o
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1850
drivers/gpu/drm/bridge/analogix/anx7625.c
Normal file
1850
drivers/gpu/drm/bridge/analogix/anx7625.c
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File diff suppressed because it is too large
Load diff
390
drivers/gpu/drm/bridge/analogix/anx7625.h
Normal file
390
drivers/gpu/drm/bridge/analogix/anx7625.h
Normal file
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@ -0,0 +1,390 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright(c) 2020, Analogix Semiconductor. All rights reserved.
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*
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*/
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#ifndef __ANX7625_H__
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#define __ANX7625_H__
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#define ANX7625_DRV_VERSION "0.1.04"
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/* Loading OCM re-trying times */
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#define OCM_LOADING_TIME 10
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/********* ANX7625 Register **********/
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#define TX_P0_ADDR 0x70
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#define TX_P1_ADDR 0x7A
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#define TX_P2_ADDR 0x72
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#define RX_P0_ADDR 0x7e
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#define RX_P1_ADDR 0x84
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#define RX_P2_ADDR 0x54
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#define RSVD_00_ADDR 0x00
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#define RSVD_D1_ADDR 0xD1
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#define RSVD_60_ADDR 0x60
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#define RSVD_39_ADDR 0x39
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#define RSVD_7F_ADDR 0x7F
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#define TCPC_INTERFACE_ADDR 0x58
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/* Clock frequency in Hz */
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#define XTAL_FRQ (27 * 1000000)
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#define POST_DIVIDER_MIN 1
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#define POST_DIVIDER_MAX 16
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#define PLL_OUT_FREQ_MIN 520000000UL
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#define PLL_OUT_FREQ_MAX 730000000UL
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#define PLL_OUT_FREQ_ABS_MIN 300000000UL
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#define PLL_OUT_FREQ_ABS_MAX 800000000UL
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#define MAX_UNSIGNED_24BIT 16777215UL
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/***************************************************************/
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/* Register definition of device address 0x58 */
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#define PRODUCT_ID_L 0x02
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#define PRODUCT_ID_H 0x03
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#define INTR_ALERT_1 0xCC
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#define INTR_SOFTWARE_INT BIT(3)
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#define INTR_RECEIVED_MSG BIT(5)
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#define SYSTEM_STSTUS 0x45
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#define INTERFACE_CHANGE_INT 0x44
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#define HPD_STATUS_CHANGE 0x80
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#define HPD_STATUS 0x80
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/******** END of I2C Address 0x58 ********/
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/***************************************************************/
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/* Register definition of device address 0x70 */
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#define I2C_ADDR_70_DPTX 0x70
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#define SP_TX_LINK_BW_SET_REG 0xA0
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#define SP_TX_LANE_COUNT_SET_REG 0xA1
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#define M_VID_0 0xC0
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#define M_VID_1 0xC1
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#define M_VID_2 0xC2
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#define N_VID_0 0xC3
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#define N_VID_1 0xC4
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#define N_VID_2 0xC5
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/***************************************************************/
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/* Register definition of device address 0x72 */
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#define AUX_RST 0x04
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#define RST_CTRL2 0x07
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#define SP_TX_TOTAL_LINE_STA_L 0x24
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#define SP_TX_TOTAL_LINE_STA_H 0x25
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#define SP_TX_ACT_LINE_STA_L 0x26
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#define SP_TX_ACT_LINE_STA_H 0x27
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#define SP_TX_V_F_PORCH_STA 0x28
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#define SP_TX_V_SYNC_STA 0x29
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#define SP_TX_V_B_PORCH_STA 0x2A
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#define SP_TX_TOTAL_PIXEL_STA_L 0x2B
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#define SP_TX_TOTAL_PIXEL_STA_H 0x2C
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#define SP_TX_ACT_PIXEL_STA_L 0x2D
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#define SP_TX_ACT_PIXEL_STA_H 0x2E
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#define SP_TX_H_F_PORCH_STA_L 0x2F
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#define SP_TX_H_F_PORCH_STA_H 0x30
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#define SP_TX_H_SYNC_STA_L 0x31
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#define SP_TX_H_SYNC_STA_H 0x32
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#define SP_TX_H_B_PORCH_STA_L 0x33
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#define SP_TX_H_B_PORCH_STA_H 0x34
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#define SP_TX_VID_CTRL 0x84
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#define SP_TX_BPC_MASK 0xE0
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#define SP_TX_BPC_6 0x00
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#define SP_TX_BPC_8 0x20
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#define SP_TX_BPC_10 0x40
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#define SP_TX_BPC_12 0x60
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#define VIDEO_BIT_MATRIX_12 0x4c
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#define AUDIO_CHANNEL_STATUS_1 0xd0
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#define AUDIO_CHANNEL_STATUS_2 0xd1
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#define AUDIO_CHANNEL_STATUS_3 0xd2
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#define AUDIO_CHANNEL_STATUS_4 0xd3
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#define AUDIO_CHANNEL_STATUS_5 0xd4
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#define AUDIO_CHANNEL_STATUS_6 0xd5
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#define TDM_SLAVE_MODE 0x10
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#define I2S_SLAVE_MODE 0x08
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#define AUDIO_CONTROL_REGISTER 0xe6
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#define TDM_TIMING_MODE 0x08
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#define I2C_ADDR_72_DPTX 0x72
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#define HP_MIN 8
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#define HBLANKING_MIN 80
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#define SYNC_LEN_DEF 32
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#define HFP_HBP_DEF ((HBLANKING_MIN - SYNC_LEN_DEF) / 2)
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#define VIDEO_CONTROL_0 0x08
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#define ACTIVE_LINES_L 0x14
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#define ACTIVE_LINES_H 0x15 /* Bit[7:6] are reserved */
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#define VERTICAL_FRONT_PORCH 0x16
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#define VERTICAL_SYNC_WIDTH 0x17
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#define VERTICAL_BACK_PORCH 0x18
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#define HORIZONTAL_TOTAL_PIXELS_L 0x19
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#define HORIZONTAL_TOTAL_PIXELS_H 0x1A /* Bit[7:6] are reserved */
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#define HORIZONTAL_ACTIVE_PIXELS_L 0x1B
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#define HORIZONTAL_ACTIVE_PIXELS_H 0x1C /* Bit[7:6] are reserved */
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#define HORIZONTAL_FRONT_PORCH_L 0x1D
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#define HORIZONTAL_FRONT_PORCH_H 0x1E /* Bit[7:4] are reserved */
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#define HORIZONTAL_SYNC_WIDTH_L 0x1F
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#define HORIZONTAL_SYNC_WIDTH_H 0x20 /* Bit[7:4] are reserved */
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#define HORIZONTAL_BACK_PORCH_L 0x21
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#define HORIZONTAL_BACK_PORCH_H 0x22 /* Bit[7:4] are reserved */
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/******** END of I2C Address 0x72 *********/
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/***************************************************************/
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/* Register definition of device address 0x7e */
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#define I2C_ADDR_7E_FLASH_CONTROLLER 0x7E
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#define FLASH_LOAD_STA 0x05
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#define FLASH_LOAD_STA_CHK BIT(7)
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#define XTAL_FRQ_SEL 0x3F
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/* bit field positions */
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#define XTAL_FRQ_SEL_POS 5
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/* bit field values */
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#define XTAL_FRQ_19M2 (0 << XTAL_FRQ_SEL_POS)
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#define XTAL_FRQ_27M (4 << XTAL_FRQ_SEL_POS)
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#define R_DSC_CTRL_0 0x40
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#define READ_STATUS_EN 7
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#define CLK_1MEG_RB 6 /* 1MHz clock reset; 0=reset, 0=reset release */
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#define DSC_BIST_DONE 1 /* Bit[5:1]: 1=DSC MBIST pass */
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#define DSC_EN 0x01 /* 1=DSC enabled, 0=DSC disabled */
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#define OCM_FW_VERSION 0x31
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#define OCM_FW_REVERSION 0x32
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#define AP_AUX_ADDR_7_0 0x11
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#define AP_AUX_ADDR_15_8 0x12
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#define AP_AUX_ADDR_19_16 0x13
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/* Bit[0:3] AUX status, bit 4 op_en, bit 5 address only */
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#define AP_AUX_CTRL_STATUS 0x14
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#define AP_AUX_CTRL_OP_EN 0x10
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#define AP_AUX_CTRL_ADDRONLY 0x20
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#define AP_AUX_BUFF_START 0x15
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#define PIXEL_CLOCK_L 0x25
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#define PIXEL_CLOCK_H 0x26
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#define AP_AUX_COMMAND 0x27 /* com+len */
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/* Bit 0&1: 3D video structure */
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/* 0x01: frame packing, 0x02:Line alternative, 0x03:Side-by-side(full) */
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#define AP_AV_STATUS 0x28
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#define AP_VIDEO_CHG BIT(2)
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#define AP_AUDIO_CHG BIT(3)
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#define AP_MIPI_MUTE BIT(4) /* 1:MIPI input mute, 0: ummute */
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#define AP_MIPI_RX_EN BIT(5) /* 1: MIPI RX input in 0: no RX in */
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#define AP_DISABLE_PD BIT(6)
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#define AP_DISABLE_DISPLAY BIT(7)
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/***************************************************************/
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/* Register definition of device address 0x84 */
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#define MIPI_PHY_CONTROL_3 0x03
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#define MIPI_HS_PWD_CLK 7
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#define MIPI_HS_RT_CLK 6
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#define MIPI_PD_CLK 5
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#define MIPI_CLK_RT_MANUAL_PD_EN 4
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#define MIPI_CLK_HS_MANUAL_PD_EN 3
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#define MIPI_CLK_DET_DET_BYPASS 2
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#define MIPI_CLK_MISS_CTRL 1
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#define MIPI_PD_LPTX_CH_MANUAL_PD_EN 0
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#define MIPI_LANE_CTRL_0 0x05
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#define MIPI_TIME_HS_PRPR 0x08
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/*
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* After MIPI RX protocol layer received video frames,
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* Protocol layer starts to reconstruct video stream from PHY
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*/
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#define MIPI_VIDEO_STABLE_CNT 0x0A
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#define MIPI_LANE_CTRL_10 0x0F
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#define MIPI_DIGITAL_ADJ_1 0x1B
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#define MIPI_PLL_M_NUM_23_16 0x1E
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#define MIPI_PLL_M_NUM_15_8 0x1F
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#define MIPI_PLL_M_NUM_7_0 0x20
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#define MIPI_PLL_N_NUM_23_16 0x21
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#define MIPI_PLL_N_NUM_15_8 0x22
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#define MIPI_PLL_N_NUM_7_0 0x23
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#define MIPI_DIGITAL_PLL_6 0x2A
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/* Bit[7:6]: VCO band control, only effective */
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#define MIPI_M_NUM_READY 0x10
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#define MIPI_N_NUM_READY 0x08
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#define STABLE_INTEGER_CNT_EN 0x04
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#define MIPI_PLL_TEST_BIT 0
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/* Bit[1:0]: test point output select - */
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/* 00: VCO power, 01: dvdd_pdt, 10: dvdd, 11: vcox */
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#define MIPI_DIGITAL_PLL_7 0x2B
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#define MIPI_PLL_FORCE_N_EN 7
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#define MIPI_PLL_FORCE_BAND_EN 6
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#define MIPI_PLL_VCO_TUNE_REG 4
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/* Bit[5:4]: VCO metal capacitance - */
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/* 00: +20% fast, 01: +10% fast (default), 10: typical, 11: -10% slow */
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#define MIPI_PLL_VCO_TUNE_REG_VAL 0x30
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#define MIPI_PLL_PLL_LDO_BIT 2
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/* Bit[3:2]: vco_v2i power - */
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/* 00: 1.40V, 01: 1.45V (default), 10: 1.50V, 11: 1.55V */
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#define MIPI_PLL_RESET_N 0x02
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#define MIPI_FRQ_FORCE_NDET 0
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#define MIPI_ALERT_CLR_0 0x2D
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#define HS_link_error_clear 7
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/* This bit itself is S/C, and it clears 0x84:0x31[7] */
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#define MIPI_ALERT_OUT_0 0x31
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#define check_sum_err_hs_sync 7
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/* This bit is cleared by 0x84:0x2D[7] */
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#define MIPI_DIGITAL_PLL_8 0x33
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#define MIPI_POST_DIV_VAL 4
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/* N means divided by (n+1), n = 0~15 */
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#define MIPI_EN_LOCK_FRZ 3
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#define MIPI_FRQ_COUNTER_RST 2
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#define MIPI_FRQ_SET_REG_8 1
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/* Bit 0 is reserved */
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#define MIPI_DIGITAL_PLL_9 0x34
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#define MIPI_DIGITAL_PLL_16 0x3B
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#define MIPI_FRQ_FREEZE_NDET 7
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#define MIPI_FRQ_REG_SET_ENABLE 6
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#define MIPI_REG_FORCE_SEL_EN 5
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#define MIPI_REG_SEL_DIV_REG 4
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#define MIPI_REG_FORCE_PRE_DIV_EN 3
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/* Bit 2 is reserved */
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#define MIPI_FREF_D_IND 1
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#define REF_CLK_27000KHZ 1
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#define REF_CLK_19200KHZ 0
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#define MIPI_REG_PLL_PLL_TEST_ENABLE 0
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#define MIPI_DIGITAL_PLL_18 0x3D
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#define FRQ_COUNT_RB_SEL 7
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#define REG_FORCE_POST_DIV_EN 6
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#define MIPI_DPI_SELECT 5
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#define SELECT_DSI 1
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#define SELECT_DPI 0
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#define REG_BAUD_DIV_RATIO 0
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#define H_BLANK_L 0x3E
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/* For DSC only */
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#define H_BLANK_H 0x3F
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/* For DSC only; note: bit[7:6] are reserved */
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#define MIPI_SWAP 0x4A
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|
#define MIPI_SWAP_CH0 7
|
||||||
|
#define MIPI_SWAP_CH1 6
|
||||||
|
#define MIPI_SWAP_CH2 5
|
||||||
|
#define MIPI_SWAP_CH3 4
|
||||||
|
#define MIPI_SWAP_CLK 3
|
||||||
|
/* Bit[2:0] are reserved */
|
||||||
|
|
||||||
|
/******** END of I2C Address 0x84 *********/
|
||||||
|
|
||||||
|
/* DPCD regs */
|
||||||
|
#define DPCD_DPCD_REV 0x00
|
||||||
|
#define DPCD_MAX_LINK_RATE 0x01
|
||||||
|
#define DPCD_MAX_LANE_COUNT 0x02
|
||||||
|
|
||||||
|
/********* ANX7625 Register End **********/
|
||||||
|
|
||||||
|
/***************** Display *****************/
|
||||||
|
enum audio_fs {
|
||||||
|
AUDIO_FS_441K = 0x00,
|
||||||
|
AUDIO_FS_48K = 0x02,
|
||||||
|
AUDIO_FS_32K = 0x03,
|
||||||
|
AUDIO_FS_882K = 0x08,
|
||||||
|
AUDIO_FS_96K = 0x0a,
|
||||||
|
AUDIO_FS_1764K = 0x0c,
|
||||||
|
AUDIO_FS_192K = 0x0e
|
||||||
|
};
|
||||||
|
|
||||||
|
enum audio_wd_len {
|
||||||
|
AUDIO_W_LEN_16_20MAX = 0x02,
|
||||||
|
AUDIO_W_LEN_18_20MAX = 0x04,
|
||||||
|
AUDIO_W_LEN_17_20MAX = 0x0c,
|
||||||
|
AUDIO_W_LEN_19_20MAX = 0x08,
|
||||||
|
AUDIO_W_LEN_20_20MAX = 0x0a,
|
||||||
|
AUDIO_W_LEN_20_24MAX = 0x03,
|
||||||
|
AUDIO_W_LEN_22_24MAX = 0x05,
|
||||||
|
AUDIO_W_LEN_21_24MAX = 0x0d,
|
||||||
|
AUDIO_W_LEN_23_24MAX = 0x09,
|
||||||
|
AUDIO_W_LEN_24_24MAX = 0x0b
|
||||||
|
};
|
||||||
|
|
||||||
|
#define I2S_CH_2 0x01
|
||||||
|
#define TDM_CH_4 0x03
|
||||||
|
#define TDM_CH_6 0x05
|
||||||
|
#define TDM_CH_8 0x07
|
||||||
|
|
||||||
|
#define MAX_DPCD_BUFFER_SIZE 16
|
||||||
|
|
||||||
|
#define ONE_BLOCK_SIZE 128
|
||||||
|
#define FOUR_BLOCK_SIZE (128 * 4)
|
||||||
|
|
||||||
|
#define MAX_EDID_BLOCK 3
|
||||||
|
#define EDID_TRY_CNT 3
|
||||||
|
#define SUPPORT_PIXEL_CLOCK 300000
|
||||||
|
|
||||||
|
struct s_edid_data {
|
||||||
|
int edid_block_num;
|
||||||
|
u8 edid_raw_data[FOUR_BLOCK_SIZE];
|
||||||
|
};
|
||||||
|
|
||||||
|
/***************** Display End *****************/
|
||||||
|
|
||||||
|
struct anx7625_platform_data {
|
||||||
|
struct gpio_desc *gpio_p_on;
|
||||||
|
struct gpio_desc *gpio_reset;
|
||||||
|
struct drm_bridge *panel_bridge;
|
||||||
|
int intp_irq;
|
||||||
|
u32 low_power_mode;
|
||||||
|
struct device_node *mipi_host_node;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct anx7625_i2c_client {
|
||||||
|
struct i2c_client *tx_p0_client;
|
||||||
|
struct i2c_client *tx_p1_client;
|
||||||
|
struct i2c_client *tx_p2_client;
|
||||||
|
struct i2c_client *rx_p0_client;
|
||||||
|
struct i2c_client *rx_p1_client;
|
||||||
|
struct i2c_client *rx_p2_client;
|
||||||
|
struct i2c_client *tcpc_client;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct anx7625_data {
|
||||||
|
struct anx7625_platform_data pdata;
|
||||||
|
atomic_t power_status;
|
||||||
|
int hpd_status;
|
||||||
|
int hpd_high_cnt;
|
||||||
|
/* Lock for work queue */
|
||||||
|
struct mutex lock;
|
||||||
|
struct i2c_client *client;
|
||||||
|
struct anx7625_i2c_client i2c;
|
||||||
|
struct i2c_client *last_client;
|
||||||
|
struct s_edid_data slimport_edid_p;
|
||||||
|
struct work_struct work;
|
||||||
|
struct workqueue_struct *workqueue;
|
||||||
|
char edid_block;
|
||||||
|
struct display_timing dt;
|
||||||
|
u8 display_timing_valid;
|
||||||
|
struct drm_bridge bridge;
|
||||||
|
u8 bridge_attached;
|
||||||
|
struct mipi_dsi_device *dsi;
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif /* __ANX7625_H__ */
|
||||||
Loading…
Reference in a new issue