diff options
Diffstat (limited to 'src/soc/mediatek/mt8173/include/soc/dsi.h')
| -rw-r--r-- | src/soc/mediatek/mt8173/include/soc/dsi.h | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8173/include/soc/dsi.h b/src/soc/mediatek/mt8173/include/soc/dsi.h new file mode 100644 index 0000000000..1abbd78ae9 --- /dev/null +++ b/src/soc/mediatek/mt8173/include/soc/dsi.h @@ -0,0 +1,269 @@ +/* + * 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 _DSI_REG_H_ +#define _DSI_REG_H_ + +#include <edid.h> +#include <types.h> + +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; + u8 reserved2[4]; + u32 dsi_hstx_cklp_wc; + u8 reserved3[156]; + u32 dsi_phy_lccon; + u32 dsi_phy_ld0con; + u8 reserved4[4]; + u32 dsi_phy_timecon0; + u32 dsi_phy_timecon1; + u32 dsi_phy_timecon2; + u32 dsi_phy_timecon3; +}; + +check_member(dsi_regs, dsi_phy_lccon, 0x104); +check_member(dsi_regs, dsi_phy_timecon3, 0x11c); +static struct dsi_regs * const dsi0 = (void *)DSI0_BASE; + +/* 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_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) +}; + +/* MIPITX_REG */ +struct mipi_tx_regs { + u32 dsi_con; + u32 dsi_clock_lane; + u32 dsi_data_lane[4]; + u8 reserved0[40]; + u32 dsi_top_con; + u32 dsi_bg_con; + u8 reserved1[8]; + u32 dsi_pll_con0; + u32 dsi_pll_con1; + u32 dsi_pll_con2; + u32 dsi_pll_con3; + u32 dsi_pll_chg; + u32 dsi_pll_top; + u32 dsi_pll_pwr; + u8 reserved2[4]; + u32 dsi_rgs; + u32 dsi_gpi_en; + u32 dsi_gpi_pull; + u32 dsi_phy_sel; + u32 dsi_sw_ctrl_en; + u32 dsi_sw_ctrl_con0; + u32 dsi_sw_ctrl_con1; + u32 dsi_sw_ctrl_con2; + u32 dsi_dbg_con; + u32 dsi_dbg_out; + u32 dsi_apb_async_sta; +}; + +check_member(mipi_tx_regs, dsi_top_con, 0x40); +check_member(mipi_tx_regs, dsi_pll_pwr, 0x68); + +static struct mipi_tx_regs * const mipi_tx0 = (void *)MIPI_TX0_BASE; + +/* MIPITX_DSI0_CON */ +enum { + RG_DSI0_LDOCORE_EN = BIT(0), + RG_DSI0_CKG_LDOOUT_EN = BIT(1), + RG_DSI0_BCLK_SEL = (3 << 2), + RG_DSI0_LD_IDX_SEL = (7 << 4), + RG_DSI0_PHYCLK_SEL = (2 << 8), + RG_DSI0_DSICLK_FREQ_SEL = BIT(10), + RG_DSI0_LPTX_CLMP_EN = BIT(11) +}; + +/* MIPITX_DSI0_CLOCK_LANE */ +enum { + LDOOUT_EN = BIT(0), + CKLANE_EN = BIT(1), + IPLUS1 = BIT(2), + LPTX_IPLUS2 = BIT(3), + LPTX_IMINUS = BIT(4), + LPCD_IPLUS = BIT(5), + LPCD_IMLUS = BIT(6), + RT_CODE = (0xf << 8) +}; + +/* MIPITX_DSI_TOP_CON */ +enum { + RG_DSI_LNT_INTR_EN = BIT(0), + RG_DSI_LNT_HS_BIAS_EN = BIT(1), + RG_DSI_LNT_IMP_CAL_EN = BIT(2), + RG_DSI_LNT_TESTMODE_EN = BIT(3), + RG_DSI_LNT_IMP_CAL_CODE = (0xf << 4), + RG_DSI_LNT_AIO_SEL = (7 << 8), + RG_DSI_PAD_TIE_LOW_EN = BIT(11), + RG_DSI_DEBUG_INPUT_EN = BIT(12), + RG_DSI_PRESERVE = (7 << 13) +}; + +/* MIPITX_DSI_BG_CON */ +enum { + RG_DSI_BG_CORE_EN = BIT(0), + RG_DSI_BG_CKEN = BIT(1), + RG_DSI_BG_DIV = (0x3 << 2), + RG_DSI_BG_FAST_CHARGE = BIT(4), + RG_DSI_V12_SEL = (7 << 5), + RG_DSI_V10_SEL = (7 << 8), + RG_DSI_V072_SEL = (7 << 11), + RG_DSI_V04_SEL = (7 << 14), + RG_DSI_V032_SEL = (7 << 17), + RG_DSI_V02_SEL = (7 << 20), + rsv_23 = BIT(23), + RG_DSI_BG_R1_TRIM = (0xf << 24), + RG_DSI_BG_R2_TRIM = (0xf << 28) +}; + +/* MIPITX_DSI_PLL_CON0 */ +enum { + RG_DSI0_MPPLL_PLL_EN = BIT(0), + RG_DSI0_MPPLL_PREDIV = (3 << 1), + RG_DSI0_MPPLL_TXDIV0 = (3 << 3), + RG_DSI0_MPPLL_TXDIV1 = (3 << 5), + RG_DSI0_MPPLL_POSDIV = (7 << 7), + RG_DSI0_MPPLL_MONVC_EN = BIT(10), + RG_DSI0_MPPLL_MONREF_EN = BIT(11), + RG_DSI0_MPPLL_VOD_EN = BIT(12) +}; + +/* MIPITX_DSI_PLL_CON1 */ +enum { + RG_DSI0_MPPLL_SDM_FRA_EN = BIT(0), + RG_DSI0_MPPLL_SDM_SSC_PH_INIT = BIT(1), + RG_DSI0_MPPLL_SDM_SSC_EN = BIT(2), + RG_DSI0_MPPLL_SDM_SSC_PRD = (0xffff << 16) +}; + +/* MIPITX_DSI_PLL_PWR */ +enum { + RG_DSI_MPPLL_SDM_PWR_ON = BIT(0), + RG_DSI_MPPLL_SDM_ISO_EN = BIT(1), + RG_DSI_MPPLL_SDM_PWR_ACK = BIT(8) +}; + +int mtk_dsi_init(u32 mode_flags, enum mipi_dsi_pixel_format format, u32 lanes, + const struct edid *edid); + +#endif |