diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_dw_mipi_dsi.h')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_dw_mipi_dsi.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/drivers/gpu/drm/meson/meson_dw_mipi_dsi.h b/drivers/gpu/drm/meson/meson_dw_mipi_dsi.h new file mode 100644 index 000000000000..e1bd6b85d6a3 --- /dev/null +++ b/drivers/gpu/drm/meson/meson_dw_mipi_dsi.h @@ -0,0 +1,160 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2020 BayLibre, SAS + * Author: Neil Armstrong <narmstrong@baylibre.com> + * Copyright (C) 2018 Amlogic, Inc. All rights reserved. + */ + +#ifndef __MESON_DW_MIPI_DSI_H +#define __MESON_DW_MIPI_DSI_H + +/* Top-level registers */ +/* [31: 4] Reserved. Default 0. + * [3] RW timing_rst_n: Default 1. + * 1=Assert SW reset of timing feature. 0=Release reset. + * [2] RW dpi_rst_n: Default 1. + * 1=Assert SW reset on mipi_dsi_host_dpi block. 0=Release reset. + * [1] RW intr_rst_n: Default 1. + * 1=Assert SW reset on mipi_dsi_host_intr block. 0=Release reset. + * [0] RW dwc_rst_n: Default 1. + * 1=Assert SW reset on IP core. 0=Release reset. + */ +#define MIPI_DSI_TOP_SW_RESET 0x3c0 + +#define MIPI_DSI_TOP_SW_RESET_DWC BIT(0) +#define MIPI_DSI_TOP_SW_RESET_INTR BIT(1) +#define MIPI_DSI_TOP_SW_RESET_DPI BIT(2) +#define MIPI_DSI_TOP_SW_RESET_TIMING BIT(3) + +/* [31: 5] Reserved. Default 0. + * [4] RW manual_edpihalt: Default 0. + * 1=Manual suspend VencL; 0=do not suspend VencL. + * [3] RW auto_edpihalt_en: Default 0. + * 1=Enable IP's edpihalt signal to suspend VencL; + * 0=IP's edpihalt signal does not affect VencL. + * [2] RW clock_freerun: Apply to auto-clock gate only. Default 0. + * 0=Default, use auto-clock gating to save power; + * 1=use free-run clock, disable auto-clock gating, for debug mode. + * [1] RW enable_pixclk: A manual clock gate option, due to DWC IP does not + * have auto-clock gating. 1=Enable pixclk. Default 0. + * [0] RW enable_sysclk: A manual clock gate option, due to DWC IP does not + * have auto-clock gating. 1=Enable sysclk. Default 0. + */ +#define MIPI_DSI_TOP_CLK_CNTL 0x3c4 + +#define MIPI_DSI_TOP_CLK_SYSCLK_EN BIT(0) +#define MIPI_DSI_TOP_CLK_PIXCLK_EN BIT(1) + +/* [31:24] Reserved. Default 0. + * [23:20] RW dpi_color_mode: Define DPI pixel format. Default 0. + * 0=16-bit RGB565 config 1; + * 1=16-bit RGB565 config 2; + * 2=16-bit RGB565 config 3; + * 3=18-bit RGB666 config 1; + * 4=18-bit RGB666 config 2; + * 5=24-bit RGB888; + * 6=20-bit YCbCr 4:2:2; + * 7=24-bit YCbCr 4:2:2; + * 8=16-bit YCbCr 4:2:2; + * 9=30-bit RGB; + * 10=36-bit RGB; + * 11=12-bit YCbCr 4:2:0. + * [19] Reserved. Default 0. + * [18:16] RW in_color_mode: Define VENC data width. Default 0. + * 0=30-bit pixel; + * 1=24-bit pixel; + * 2=18-bit pixel, RGB666; + * 3=16-bit pixel, RGB565. + * [15:14] RW chroma_subsample: Define method of chroma subsampling. Default 0. + * Applicable to YUV422 or YUV420 only. + * 0=Use even pixel's chroma; + * 1=Use odd pixel's chroma; + * 2=Use averaged value between even and odd pair. + * [13:12] RW comp2_sel: Select which component to be Cr or B: Default 2. + * 0=comp0; 1=comp1; 2=comp2. + * [11:10] RW comp1_sel: Select which component to be Cb or G: Default 1. + * 0=comp0; 1=comp1; 2=comp2. + * [9: 8] RW comp0_sel: Select which component to be Y or R: Default 0. + * 0=comp0; 1=comp1; 2=comp2. + * [7] Reserved. Default 0. + * [6] RW de_pol: Default 0. + * If DE input is active low, set to 1 to invert to active high. + * [5] RW hsync_pol: Default 0. + * If HS input is active low, set to 1 to invert to active high. + * [4] RW vsync_pol: Default 0. + * If VS input is active low, set to 1 to invert to active high. + * [3] RW dpicolorm: Signal to IP. Default 0. + * [2] RW dpishutdn: Signal to IP. Default 0. + * [1] Reserved. Default 0. + * [0] Reserved. Default 0. + */ +#define MIPI_DSI_TOP_CNTL 0x3c8 + +/* VENC data width */ +#define VENC_IN_COLOR_30B 0x0 +#define VENC_IN_COLOR_24B 0x1 +#define VENC_IN_COLOR_18B 0x2 +#define VENC_IN_COLOR_16B 0x3 + +/* DPI pixel format */ +#define DPI_COLOR_16BIT_CFG_1 0 +#define DPI_COLOR_16BIT_CFG_2 1 +#define DPI_COLOR_16BIT_CFG_3 2 +#define DPI_COLOR_18BIT_CFG_1 3 +#define DPI_COLOR_18BIT_CFG_2 4 +#define DPI_COLOR_24BIT 5 +#define DPI_COLOR_20BIT_YCBCR_422 6 +#define DPI_COLOR_24BIT_YCBCR_422 7 +#define DPI_COLOR_16BIT_YCBCR_422 8 +#define DPI_COLOR_30BIT 9 +#define DPI_COLOR_36BIT 10 +#define DPI_COLOR_12BIT_YCBCR_420 11 + +#define MIPI_DSI_TOP_DPI_COLOR_MODE GENMASK(23, 20) +#define MIPI_DSI_TOP_IN_COLOR_MODE GENMASK(18, 16) +#define MIPI_DSI_TOP_CHROMA_SUBSAMPLE GENMASK(15, 14) +#define MIPI_DSI_TOP_COMP2_SEL GENMASK(13, 12) +#define MIPI_DSI_TOP_COMP1_SEL GENMASK(11, 10) +#define MIPI_DSI_TOP_COMP0_SEL GENMASK(9, 8) +#define MIPI_DSI_TOP_DE_INVERT BIT(6) +#define MIPI_DSI_TOP_HSYNC_INVERT BIT(5) +#define MIPI_DSI_TOP_VSYNC_INVERT BIT(4) +#define MIPI_DSI_TOP_DPICOLORM BIT(3) +#define MIPI_DSI_TOP_DPISHUTDN BIT(2) + +#define MIPI_DSI_TOP_SUSPEND_CNTL 0x3cc +#define MIPI_DSI_TOP_SUSPEND_LINE 0x3d0 +#define MIPI_DSI_TOP_SUSPEND_PIX 0x3d4 +#define MIPI_DSI_TOP_MEAS_CNTL 0x3d8 +/* [0] R stat_edpihalt: edpihalt signal from IP. Default 0. */ +#define MIPI_DSI_TOP_STAT 0x3dc +#define MIPI_DSI_TOP_MEAS_STAT_TE0 0x3e0 +#define MIPI_DSI_TOP_MEAS_STAT_TE1 0x3e4 +#define MIPI_DSI_TOP_MEAS_STAT_VS0 0x3e8 +#define MIPI_DSI_TOP_MEAS_STAT_VS1 0x3ec +/* [31:16] RW intr_stat/clr. Default 0. + * For each bit, read as this interrupt level status, + * write 1 to clear. + * [31:22] Reserved + * [ 21] stat/clr of eof interrupt + * [ 21] vde_fall interrupt + * [ 19] stat/clr of de_rise interrupt + * [ 18] stat/clr of vs_fall interrupt + * [ 17] stat/clr of vs_rise interrupt + * [ 16] stat/clr of dwc_edpite interrupt + * [15: 0] RW intr_enable. Default 0. + * For each bit, 1=enable this interrupt, 0=disable. + * [15: 6] Reserved + * [ 5] eof interrupt + * [ 4] de_fall interrupt + * [ 3] de_rise interrupt + * [ 2] vs_fall interrupt + * [ 1] vs_rise interrupt + * [ 0] dwc_edpite interrupt + */ +#define MIPI_DSI_TOP_INTR_CNTL_STAT 0x3f0 +// 31: 2 Reserved. Default 0. +// 1: 0 RW mem_pd. Default 3. +#define MIPI_DSI_TOP_MEM_PD 0x3f4 + +#endif /* __MESON_DW_MIPI_DSI_H */ |