From c59fbf2bb80ed1e9cfca837cf9f35a08d6b4129c Mon Sep 17 00:00:00 2001 From: Hung-Te Lin Date: Wed, 7 Aug 2019 08:00:58 +0800 Subject: soc/mediatek: Create common DSI driver from mt8173 The DSI initialization is almost the same for 8173 and 8183, so we want to move most of common functions into common/dsi.c. The major board-specific functions left are: - reset (controller register has different format) - pin_drv_ctrl (8183 does not need this) BUG=b:80501386,b:117254947 TEST=make -j # board=oak (mt8173) Change-Id: I8d4369a3c84db551287a9c9d1b22f552c5f7518d Signed-off-by: Hung-Te Lin Reviewed-on: https://review.coreboot.org/c/coreboot/+/34769 Reviewed-by: Julius Werner Tested-by: build bot (Jenkins) --- src/soc/mediatek/common/include/soc/dsi_common.h | 312 +++++++++++++++++++++++ 1 file changed, 312 insertions(+) create mode 100644 src/soc/mediatek/common/include/soc/dsi_common.h (limited to 'src/soc/mediatek/common/include') diff --git a/src/soc/mediatek/common/include/soc/dsi_common.h b/src/soc/mediatek/common/include/soc/dsi_common.h new file mode 100644 index 0000000000..cebf9af701 --- /dev/null +++ b/src/soc/mediatek/common/include/soc/dsi_common.h @@ -0,0 +1,312 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 MediaTek Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * 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 SOC_MEDIATEK_DSI_COMMON_H +#define SOC_MEDIATEK_DSI_COMMON_H + +#include +#include +#include + +enum mipi_dsi_pixel_format { + MIPI_DSI_FMT_RGB888, + MIPI_DSI_FMT_RGB666, + MIPI_DSI_FMT_RGB666_PACKED, + MIPI_DSI_FMT_RGB565 +}; + +/* video mode */ +enum { + MIPI_DSI_MODE_VIDEO = BIT(0), + /* video burst mode */ + MIPI_DSI_MODE_VIDEO_BURST = BIT(1), + /* video pulse mode */ + MIPI_DSI_MODE_VIDEO_SYNC_PULSE = BIT(2), + /* enable auto vertical count mode */ + MIPI_DSI_MODE_VIDEO_AUTO_VERT = BIT(3), + /* enable hsync-end packets in vsync-pulse and v-porch area */ + MIPI_DSI_MODE_VIDEO_HSE = BIT(4), + /* disable hfront-porch area */ + MIPI_DSI_MODE_VIDEO_HFP = BIT(5), + /* disable hback-porch area */ + MIPI_DSI_MODE_VIDEO_HBP = BIT(6), + /* disable hsync-active area */ + MIPI_DSI_MODE_VIDEO_HSA = BIT(7), + /* flush display FIFO on vsync pulse */ + MIPI_DSI_MODE_VSYNC_FLUSH = BIT(8), + /* disable EoT packets in HS mode */ + MIPI_DSI_MODE_EOT_PACKET = BIT(9), + /* device supports non-continuous clock behavior (DSI spec 5.6.1) */ + MIPI_DSI_CLOCK_NON_CONTINUOUS = BIT(10), + /* transmit data in low power */ + MIPI_DSI_MODE_LPM = BIT(11) +}; + +struct dsi_regs { + u32 dsi_start; + u8 reserved0[4]; + u32 dsi_inten; + u32 dsi_intsta; + u32 dsi_con_ctrl; + u32 dsi_mode_ctrl; + u32 dsi_txrx_ctrl; + u32 dsi_psctrl; + u32 dsi_vsa_nl; + u32 dsi_vbp_nl; + u32 dsi_vfp_nl; + u32 dsi_vact_nl; + u8 reserved1[32]; + u32 dsi_hsa_wc; + u32 dsi_hbp_wc; + u32 dsi_hfp_wc; + u32 dsi_bllp_wc; + u32 dsi_cmdq_size; + u32 dsi_hstx_cklp_wc; + u8 reserved2[156]; + u32 dsi_phy_lccon; + u32 dsi_phy_ld0con; + u8 reserved3[4]; + u32 dsi_phy_timecon0; + u32 dsi_phy_timecon1; + u32 dsi_phy_timecon2; + u32 dsi_phy_timecon3; + u8 reserved4[16]; + u32 dsi_vm_cmd_con; + u8 reserved5[204]; + u32 dsi_cmdq0; +}; +static struct dsi_regs *const dsi0 = (void *)DSI0_BASE; + +check_member(dsi_regs, dsi_phy_lccon, 0x104); +check_member(dsi_regs, dsi_phy_timecon3, 0x11c); +check_member(dsi_regs, dsi_vm_cmd_con, 0x130); +check_member(dsi_regs, dsi_cmdq0, 0x200); + +/* DSI_INTSTA */ +enum { + LPRX_RD_RDY_INT_FLAG = BIT(0), + CMD_DONE_INT_FLAG = BIT(1), + TE_RDY_INT_FLAG = BIT(2), + VM_DONE_INT_FLAG = BIT(3), + EXT_TE_RDY_INT_FLAG = BIT(4), + DSI_BUSY = BIT(31), +}; + +/* DSI_CON_CTRL */ +enum { + DSI_RESET = BIT(0), + DSI_EN = BIT(1), + DSI_DUAL = BIT(4), +}; + +/* DSI_MODE_CTRL */ +enum { + MODE = 3, + CMD_MODE = 0, + SYNC_PULSE_MODE = 1, + SYNC_EVENT_MODE = 2, + BURST_MODE = 3, + FRM_MODE = BIT(16), + MIX_MODE = BIT(17) +}; + +/* DSI_PSCTRL */ +enum { + DSI_PS_WC = 0x3fff, + DSI_PS_SEL = (3 << 16), + PACKED_PS_16BIT_RGB565 = (0 << 16), + LOOSELY_PS_18BIT_RGB666 = (1 << 16), + PACKED_PS_18BIT_RGB666 = (2 << 16), + PACKED_PS_24BIT_RGB888 = (3 << 16) +}; + +/* DSI_CMDQ_SIZE */ +enum { + CMDQ_SIZE = 0x3f, +}; + +/* DSI_PHY_LCCON */ +enum { + LC_HS_TX_EN = BIT(0), + LC_ULPM_EN = BIT(1), + LC_WAKEUP_EN = BIT(2) +}; + +/*DSI_PHY_LD0CON */ +enum { + LD0_RM_TRIG_EN = BIT(0), + LD0_ULPM_EN = BIT(1), + LD0_WAKEUP_EN = BIT(2) +}; + +enum { + LPX = (0xff << 0), + HS_PRPR = (0xff << 8), + HS_ZERO = (0xff << 16), + HS_TRAIL = (0xff << 24) +}; + +enum { + TA_GO = (0xff << 0), + TA_SURE = (0xff << 8), + TA_GET = (0xff << 16), + DA_HS_EXIT = (0xff << 24) +}; + +enum { + CONT_DET = (0xff << 0), + CLK_ZERO = (0xf << 16), + CLK_TRAIL = (0xff << 24) +}; + +enum { + CLK_HS_PRPR = (0xff << 0), + CLK_HS_POST = (0xff << 8), + CLK_HS_EXIT = (0xf << 16) +}; + +/* DSI_VM_CMD_CON */ +enum { + VM_CMD_EN = BIT(0), + TS_VFP_EN = BIT(5), +}; + +/* DSI_CMDQ0 */ +enum { + CONFIG = (0xff << 0), + SHORT_PACKET = 0, + LONG_PACKET = 2, + BTA = BIT(2), + DATA_ID = (0xff << 8), + DATA_0 = (0xff << 16), + DATA_1 = (0xff << 24), +}; + +/* MIPI DSI Processor-to-Peripheral transaction types */ +enum { + MIPI_DSI_V_SYNC_START = 0x01, + MIPI_DSI_V_SYNC_END = 0x11, + MIPI_DSI_H_SYNC_START = 0x21, + MIPI_DSI_H_SYNC_END = 0x31, + + MIPI_DSI_COLOR_MODE_OFF = 0x02, + MIPI_DSI_COLOR_MODE_ON = 0x12, + MIPI_DSI_SHUTDOWN_PERIPHERAL = 0x22, + MIPI_DSI_TURN_ON_PERIPHERAL = 0x32, + + MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM = 0x03, + MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM = 0x13, + MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM = 0x23, + + MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM = 0x04, + MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM = 0x14, + MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM = 0x24, + + MIPI_DSI_DCS_SHORT_WRITE = 0x05, + MIPI_DSI_DCS_SHORT_WRITE_PARAM = 0x15, + + MIPI_DSI_DCS_READ = 0x06, + + MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE = 0x37, + + MIPI_DSI_END_OF_TRANSMISSION = 0x08, + + MIPI_DSI_NULL_PACKET = 0x09, + MIPI_DSI_BLANKING_PACKET = 0x19, + MIPI_DSI_GENERIC_LONG_WRITE = 0x29, + MIPI_DSI_DCS_LONG_WRITE = 0x39, + + MIPI_DSI_LOOSELY_PACKED_PIXEL_STREAM_YCBCR20 = 0x0c, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR24 = 0x1c, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16 = 0x2c, + + MIPI_DSI_PACKED_PIXEL_STREAM_30 = 0x0d, + MIPI_DSI_PACKED_PIXEL_STREAM_36 = 0x1d, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12 = 0x3d, + + MIPI_DSI_PACKED_PIXEL_STREAM_16 = 0x0e, + MIPI_DSI_PACKED_PIXEL_STREAM_18 = 0x1e, + MIPI_DSI_PIXEL_STREAM_3BYTE_18 = 0x2e, + MIPI_DSI_PACKED_PIXEL_STREAM_24 = 0x3e, +}; + +/* MIPI DSI Peripheral-to-Processor transaction types */ +enum { + MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT = 0x02, + MIPI_DSI_RX_END_OF_TRANSMISSION = 0x08, + MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE = 0x11, + MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE = 0x12, + MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE = 0x1a, + MIPI_DSI_RX_DCS_LONG_READ_RESPONSE = 0x1c, + MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE = 0x21, + MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE = 0x22, +}; + +/* MIPI DCS commands */ +enum { + MIPI_DCS_NOP = 0x00, + MIPI_DCS_SOFT_RESET = 0x01, + MIPI_DCS_GET_DISPLAY_ID = 0x04, + MIPI_DCS_GET_RED_CHANNEL = 0x06, + MIPI_DCS_GET_GREEN_CHANNEL = 0x07, + MIPI_DCS_GET_BLUE_CHANNEL = 0x08, + MIPI_DCS_GET_DISPLAY_STATUS = 0x09, + MIPI_DCS_GET_POWER_MODE = 0x0A, + MIPI_DCS_GET_ADDRESS_MODE = 0x0B, + MIPI_DCS_GET_PIXEL_FORMAT = 0x0C, + MIPI_DCS_GET_DISPLAY_MODE = 0x0D, + MIPI_DCS_GET_SIGNAL_MODE = 0x0E, + MIPI_DCS_GET_DIAGNOSTIC_RESULT = 0x0F, + MIPI_DCS_ENTER_SLEEP_MODE = 0x10, + MIPI_DCS_EXIT_SLEEP_MODE = 0x11, + MIPI_DCS_ENTER_PARTIAL_MODE = 0x12, + MIPI_DCS_ENTER_NORMAL_MODE = 0x13, + MIPI_DCS_EXIT_INVERT_MODE = 0x20, + MIPI_DCS_ENTER_INVERT_MODE = 0x21, + MIPI_DCS_SET_GAMMA_CURVE = 0x26, + MIPI_DCS_SET_DISPLAY_OFF = 0x28, + MIPI_DCS_SET_DISPLAY_ON = 0x29, + MIPI_DCS_SET_COLUMN_ADDRESS = 0x2A, + MIPI_DCS_SET_PAGE_ADDRESS = 0x2B, + MIPI_DCS_WRITE_MEMORY_START = 0x2C, + MIPI_DCS_WRITE_LUT = 0x2D, + MIPI_DCS_READ_MEMORY_START = 0x2E, + MIPI_DCS_SET_PARTIAL_AREA = 0x30, + MIPI_DCS_SET_SCROLL_AREA = 0x33, + MIPI_DCS_SET_TEAR_OFF = 0x34, + MIPI_DCS_SET_TEAR_ON = 0x35, + MIPI_DCS_SET_ADDRESS_MODE = 0x36, + MIPI_DCS_SET_SCROLL_START = 0x37, + MIPI_DCS_EXIT_IDLE_MODE = 0x38, + MIPI_DCS_ENTER_IDLE_MODE = 0x39, + MIPI_DCS_SET_PIXEL_FORMAT = 0x3A, + MIPI_DCS_WRITE_MEMORY_CONTINUE = 0x3C, + MIPI_DCS_READ_MEMORY_CONTINUE = 0x3E, + MIPI_DCS_SET_TEAR_SCANLINE = 0x44, + MIPI_DCS_GET_SCANLINE = 0x45, + MIPI_DCS_READ_DDB_START = 0xA1, + MIPI_DCS_READ_DDB_CONTINUE = 0xA8, +}; + +/* Functions that each SOC should provide. */ +void mtk_dsi_reset(void); +/* mtk_dsi_phy_clk_setting should return the data rate in Mbps. */ +int mtk_dsi_phy_clk_setting(u32 format, u32 lanes, const struct edid *edid); + +/* Public API provided in common/dsi.c */ +int mtk_dsi_init(u32 mode_flags, u32 format, u32 lanes, + const struct edid *edid); + +#endif /* SOC_MEDIATEK_DSI_COMMON_H */ -- cgit v1.2.3