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drm/mediatek: Add DPI sub driver

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Add DPI connector/encoder to support HDMI output via the
attached HDMI bridge.

Signed-off-by: Jie Qiu <jie.qiu@mediatek.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Jie Qiu
2016-01-04 18:36:36 +01:00
committed by Philipp Zabel
parent 2e54c14e31
commit 9e629c17aa
5 changed files with 1001 additions and 1 deletions
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3
drivers/gpu/drm/mediatek/Makefile
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@@ -8,6 +8,7 @@ mediatek-drm-y := mtk_disp_ovl.o \
mtk_drm_gem.o \
mtk_drm_plane.o \
mtk_dsi.o \
mtk_mipi_tx.o
mtk_mipi_tx.o \
mtk_dpi.o
obj-$(CONFIG_DRM_MEDIATEK) += mediatek-drm.o

769
drivers/gpu/drm/mediatek/mtk_dpi.c Normal file
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File diff suppressed because it is too large Load Diff

228
drivers/gpu/drm/mediatek/mtk_dpi_regs.h Normal file
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@@ -0,0 +1,228 @@
/*
* Copyright (c) 2014 MediaTek Inc.
* Author: Jie Qiu <jie.qiu@mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __MTK_DPI_REGS_H
#define __MTK_DPI_REGS_H
#define DPI_EN 0x00
#define EN BIT(0)
#define DPI_RET 0x04
#define RST BIT(0)
#define DPI_INTEN 0x08
#define INT_VSYNC_EN BIT(0)
#define INT_VDE_EN BIT(1)
#define INT_UNDERFLOW_EN BIT(2)
#define DPI_INTSTA 0x0C
#define INT_VSYNC_STA BIT(0)
#define INT_VDE_STA BIT(1)
#define INT_UNDERFLOW_STA BIT(2)
#define DPI_CON 0x10
#define BG_ENABLE BIT(0)
#define IN_RB_SWAP BIT(1)
#define INTL_EN BIT(2)
#define TDFP_EN BIT(3)
#define CLPF_EN BIT(4)
#define YUV422_EN BIT(5)
#define CSC_ENABLE BIT(6)
#define R601_SEL BIT(7)
#define EMBSYNC_EN BIT(8)
#define VS_LODD_EN BIT(16)
#define VS_LEVEN_EN BIT(17)
#define VS_RODD_EN BIT(18)
#define VS_REVEN BIT(19)
#define FAKE_DE_LODD BIT(20)
#define FAKE_DE_LEVEN BIT(21)
#define FAKE_DE_RODD BIT(22)
#define FAKE_DE_REVEN BIT(23)
#define DPI_OUTPUT_SETTING 0x14
#define CH_SWAP 0
#define CH_SWAP_MASK (0x7 << 0)
#define SWAP_RGB 0x00
#define SWAP_GBR 0x01
#define SWAP_BRG 0x02
#define SWAP_RBG 0x03
#define SWAP_GRB 0x04
#define SWAP_BGR 0x05
#define BIT_SWAP BIT(3)
#define B_MASK BIT(4)
#define G_MASK BIT(5)
#define R_MASK BIT(6)
#define DE_MASK BIT(8)
#define HS_MASK BIT(9)
#define VS_MASK BIT(10)
#define DE_POL BIT(12)
#define HSYNC_POL BIT(13)
#define VSYNC_POL BIT(14)
#define CK_POL BIT(15)
#define OEN_OFF BIT(16)
#define EDGE_SEL BIT(17)
#define OUT_BIT 18
#define OUT_BIT_MASK (0x3 << 18)
#define OUT_BIT_8 0x00
#define OUT_BIT_10 0x01
#define OUT_BIT_12 0x02
#define OUT_BIT_16 0x03
#define YC_MAP 20
#define YC_MAP_MASK (0x7 << 20)
#define YC_MAP_RGB 0x00
#define YC_MAP_CYCY 0x04
#define YC_MAP_YCYC 0x05
#define YC_MAP_CY 0x06
#define YC_MAP_YC 0x07
#define DPI_SIZE 0x18
#define HSIZE 0
#define HSIZE_MASK (0x1FFF << 0)
#define VSIZE 16
#define VSIZE_MASK (0x1FFF << 16)
#define DPI_DDR_SETTING 0x1C
#define DDR_EN BIT(0)
#define DDDR_SEL BIT(1)
#define DDR_4PHASE BIT(2)
#define DDR_WIDTH (0x3 << 4)
#define DDR_PAD_MODE (0x1 << 8)
#define DPI_TGEN_HWIDTH 0x20
#define HPW 0
#define HPW_MASK (0xFFF << 0)
#define DPI_TGEN_HPORCH 0x24
#define HBP 0
#define HBP_MASK (0xFFF << 0)
#define HFP 16
#define HFP_MASK (0xFFF << 16)
#define DPI_TGEN_VWIDTH 0x28
#define DPI_TGEN_VPORCH 0x2C
#define VSYNC_WIDTH_SHIFT 0
#define VSYNC_WIDTH_MASK (0xFFF << 0)
#define VSYNC_HALF_LINE_SHIFT 16
#define VSYNC_HALF_LINE_MASK BIT(16)
#define VSYNC_BACK_PORCH_SHIFT 0
#define VSYNC_BACK_PORCH_MASK (0xFFF << 0)
#define VSYNC_FRONT_PORCH_SHIFT 16
#define VSYNC_FRONT_PORCH_MASK (0xFFF << 16)
#define DPI_BG_HCNTL 0x30
#define BG_RIGHT (0x1FFF << 0)
#define BG_LEFT (0x1FFF << 16)
#define DPI_BG_VCNTL 0x34
#define BG_BOT (0x1FFF << 0)
#define BG_TOP (0x1FFF << 16)
#define DPI_BG_COLOR 0x38
#define BG_B (0xF << 0)
#define BG_G (0xF << 8)
#define BG_R (0xF << 16)
#define DPI_FIFO_CTL 0x3C
#define FIFO_VALID_SET (0x1F << 0)
#define FIFO_RST_SEL (0x1 << 8)
#define DPI_STATUS 0x40
#define VCOUNTER (0x1FFF << 0)
#define DPI_BUSY BIT(16)
#define OUTEN BIT(17)
#define FIELD BIT(20)
#define TDLR BIT(21)
#define DPI_TMODE 0x44
#define DPI_OEN_ON BIT(0)
#define DPI_CHECKSUM 0x48
#define DPI_CHECKSUM_MASK (0xFFFFFF << 0)
#define DPI_CHECKSUM_READY BIT(30)
#define DPI_CHECKSUM_EN BIT(31)
#define DPI_DUMMY 0x50
#define DPI_DUMMY_MASK (0xFFFFFFFF << 0)
#define DPI_TGEN_VWIDTH_LEVEN 0x68
#define DPI_TGEN_VPORCH_LEVEN 0x6C
#define DPI_TGEN_VWIDTH_RODD 0x70
#define DPI_TGEN_VPORCH_RODD 0x74
#define DPI_TGEN_VWIDTH_REVEN 0x78
#define DPI_TGEN_VPORCH_REVEN 0x7C
#define DPI_ESAV_VTIMING_LODD 0x80
#define ESAV_VOFST_LODD (0xFFF << 0)
#define ESAV_VWID_LODD (0xFFF << 16)
#define DPI_ESAV_VTIMING_LEVEN 0x84
#define ESAV_VOFST_LEVEN (0xFFF << 0)
#define ESAV_VWID_LEVEN (0xFFF << 16)
#define DPI_ESAV_VTIMING_RODD 0x88
#define ESAV_VOFST_RODD (0xFFF << 0)
#define ESAV_VWID_RODD (0xFFF << 16)
#define DPI_ESAV_VTIMING_REVEN 0x8C
#define ESAV_VOFST_REVEN (0xFFF << 0)
#define ESAV_VWID_REVEN (0xFFF << 16)
#define DPI_ESAV_FTIMING 0x90
#define ESAV_FOFST_ODD (0xFFF << 0)
#define ESAV_FOFST_EVEN (0xFFF << 16)
#define DPI_CLPF_SETTING 0x94
#define CLPF_TYPE (0x3 << 0)
#define ROUND_EN BIT(4)
#define DPI_Y_LIMIT 0x98
#define Y_LIMINT_BOT 0
#define Y_LIMINT_BOT_MASK (0xFFF << 0)
#define Y_LIMINT_TOP 16
#define Y_LIMINT_TOP_MASK (0xFFF << 16)
#define DPI_C_LIMIT 0x9C
#define C_LIMIT_BOT 0
#define C_LIMIT_BOT_MASK (0xFFF << 0)
#define C_LIMIT_TOP 16
#define C_LIMIT_TOP_MASK (0xFFF << 16)
#define DPI_YUV422_SETTING 0xA0
#define UV_SWAP BIT(0)
#define CR_DELSEL BIT(4)
#define CB_DELSEL BIT(5)
#define Y_DELSEL BIT(6)
#define DE_DELSEL BIT(7)
#define DPI_EMBSYNC_SETTING 0xA4
#define EMBSYNC_R_CR_EN BIT(0)
#define EMPSYNC_G_Y_EN BIT(1)
#define EMPSYNC_B_CB_EN BIT(2)
#define ESAV_F_INV BIT(4)
#define ESAV_V_INV BIT(5)
#define ESAV_H_INV BIT(6)
#define ESAV_CODE_MAN BIT(8)
#define VS_OUT_SEL (0x7 << 12)
#define DPI_ESAV_CODE_SET0 0xA8
#define ESAV_CODE0 (0xFFF << 0)
#define ESAV_CODE1 (0xFFF << 16)
#define DPI_ESAV_CODE_SET1 0xAC
#define ESAV_CODE2 (0xFFF << 0)
#define ESAV_CODE3_MSB BIT(16)
#define DPI_H_FRE_CON 0xE0
#define H_FRE_2N BIT(25)
#endif /* __MTK_DPI_REGS_H */

1
drivers/gpu/drm/mediatek/mtk_drm_drv.c
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@@ -522,6 +522,7 @@ static struct platform_driver * const mtk_drm_drivers[] = {
&mtk_ddp_driver,
&mtk_disp_ovl_driver,
&mtk_disp_rdma_driver,
&mtk_dpi_driver,
&mtk_drm_platform_driver,
&mtk_dsi_driver,
&mtk_mipi_tx_driver,

1
drivers/gpu/drm/mediatek/mtk_drm_drv.h
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@@ -53,6 +53,7 @@ struct mtk_drm_private {
extern struct platform_driver mtk_ddp_driver;
extern struct platform_driver mtk_disp_ovl_driver;
extern struct platform_driver mtk_disp_rdma_driver;
extern struct platform_driver mtk_dpi_driver;
extern struct platform_driver mtk_dsi_driver;
extern struct platform_driver mtk_mipi_tx_driver;