jitao shi has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/31591
Change subject: mediaek/mt8183: add dsi driver for mt8183 ......................................................................
mediaek/mt8183: add dsi driver for mt8183
BUG=b:80501386,b:117254947 BRANCH=none TEST=Boots correctly on Kukui
Change-Id: Ic413f524ca0b36f0b01f723a71fe9745e2710cd2 Signed-off-by: Jitao Shi jitao.shi@mediatek.com --- M src/soc/mediatek/mt8183/Makefile.inc A src/soc/mediatek/mt8183/dsi.c M src/soc/mediatek/mt8183/include/soc/addressmap.h A src/soc/mediatek/mt8183/include/soc/dsi.h 4 files changed, 957 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/91/31591/1
diff --git a/src/soc/mediatek/mt8183/Makefile.inc b/src/soc/mediatek/mt8183/Makefile.inc index b7e2ca4..02eaf6b 100644 --- a/src/soc/mediatek/mt8183/Makefile.inc +++ b/src/soc/mediatek/mt8183/Makefile.inc @@ -41,6 +41,7 @@ ramstage-y += auxadc.c ramstage-y += ../common/cbmem.c emi.c ramstage-y += ddp.c +ramstage-y += dsi.c ramstage-y += ../common/gpio.c gpio.c ramstage-y += ../common/mmu_operations.c mmu_operations.c ramstage-y += ../common/mtcmos.c mtcmos.c diff --git a/src/soc/mediatek/mt8183/dsi.c b/src/soc/mediatek/mt8183/dsi.c new file mode 100644 index 0000000..f96d847 --- /dev/null +++ b/src/soc/mediatek/mt8183/dsi.c @@ -0,0 +1,470 @@ +/* + * 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. + */ + +#include <arch/io.h> +#include <console/console.h> +#include <delay.h> +#include <soc/addressmap.h> +#include <soc/dsi.h> +#include <timer.h> + +static void mipi_write32(void *a, uint32_t offset, uint32_t v) +{ + write32(a + offset, v); +} + +static void mipi_clrsetbits_le32(void *a, uint32_t offset, uint32_t m, uint32_t v) +{ + clrsetbits_le32(a + offset, m, v); +} + +static void mipi_clrbits_le32(void *a, uint32_t offset, uint32_t m) +{ + clrbits_le32(a + offset, m); +} + +static void mipi_setbits_le32(void *a, uint32_t offset, uint32_t m) +{ + setbits_le32(a + offset, m); +} + +static void dsi_write32(void *a, uint32_t v) +{ + write32(a, v); +} + +static void dsi_clrsetbits_le32(void *a, uint32_t m, uint32_t v) +{ + clrsetbits_le32(a, m, v); +} + +static void dsi_clrbits_le32(void *a, uint32_t m) +{ + clrbits_le32(a, m); +} + +static void dsi_setbits_le32(void *a, uint32_t m) +{ + setbits_le32(a, m); +} + +static int mtk_dsi_phy_clk_setting(u32 format, u32 lanes, + const struct edid *edid, struct mtk_phy_timing *phy_timing) +{ + unsigned int txdiv, txdiv0, txdiv1; + u64 pcw; + int data_rate; + u32 htotal, htotal_bits, bit_per_pixel, overhead_cycles, overhead_bits; + u64 total_bits; + + switch (format) { + case MIPI_DSI_FMT_RGB565: + bit_per_pixel = 16; + break; + case MIPI_DSI_FMT_RGB666: + case MIPI_DSI_FMT_RGB666_PACKED: + bit_per_pixel = 18; + break; + case MIPI_DSI_FMT_RGB888: + default: + bit_per_pixel = 24; + break; + } + + htotal = edid->mode.hbl + edid->mode.ha; + htotal_bits = htotal * bit_per_pixel; + + overhead_cycles = 2 * phy_timing->lpx + phy_timing->da_hs_prepare + + phy_timing->da_hs_zero + phy_timing->da_hs_trail + + phy_timing->da_hs_exit + 1; + + overhead_bits = overhead_cycles * 8U; + total_bits = htotal_bits + overhead_bits; + + data_rate = (u64)(edid->mode.pixel_clock * 1000 * total_bits) / (htotal * lanes); + + printk(BIOS_ERR, "data_rate: %u bps\n", data_rate); + + if (data_rate >= 2000000000) { + txdiv = 1; + txdiv0 = 0; + txdiv1 = 0; + } else if (data_rate >= 1000000000) { + txdiv = 2; + txdiv0 = 1; + txdiv1 = 0; + } else if (data_rate >= 500000000) { + txdiv = 4; + txdiv0 = 2; + txdiv1 = 0; + } else if (data_rate > 250000000) { + txdiv = 8; + txdiv0 = 3; + txdiv1 = 0; + } else if (data_rate >= 125000000) { + txdiv = 16; + txdiv0 = 4; + txdiv1 = 0; + } else { + printk(BIOS_ERR, "data rate (%u) must be >=50. Please check " + "pixel clock (%u), bpp (%u), and number of lanes (%u)\n", + data_rate, edid->mode.pixel_clock, bit_per_pixel, lanes); + return -1; + } + + mipi_clrbits_le32(mipi_tx, MIPITX_PLL_CON4, BIT(11) | BIT(10)); + + mipi_setbits_le32(mipi_tx, MIPITX_PLL_PWR, AD_DSI_PLL_SDM_PWR_ON); + udelay(30); + mipi_clrbits_le32(mipi_tx, MIPITX_PLL_PWR, AD_DSI_PLL_SDM_ISO_EN); + + pcw = (u64)((data_rate / 1000000) * (1 << txdiv0) * (1 << txdiv1)) << 24; + pcw /= 26; + + mipi_write32(mipi_tx, MIPITX_PLL_CON0, pcw); + mipi_clrsetbits_le32(mipi_tx, MIPITX_PLL_CON1, RG_DSI_PLL_POSDIV, + txdiv0 << 8); + udelay(30); + mipi_setbits_le32(mipi_tx, MIPITX_PLL_CON1, RG_DSI_PLL_EN); + + /* BG_LPF_EN / BG_CORE_EN */ + mipi_write32(mipi_tx, MIPITX_LANE_CON, 0x3FFF0180); + udelay(40); + mipi_write32(mipi_tx, MIPITX_LANE_CON, 0x3FFF00c0); + + /* Switch OFF each Lane */ + mipi_clrbits_le32(mipi_tx, MIPITX_D0_SW_CTL_EN, DSI_SW_CTL_EN); + mipi_clrbits_le32(mipi_tx, MIPITX_D1_SW_CTL_EN, DSI_SW_CTL_EN); + mipi_clrbits_le32(mipi_tx, MIPITX_D2_SW_CTL_EN, DSI_SW_CTL_EN); + mipi_clrbits_le32(mipi_tx, MIPITX_D3_SW_CTL_EN, DSI_SW_CTL_EN); + mipi_clrbits_le32(mipi_tx, MIPITX_CK_SW_CTL_EN, DSI_SW_CTL_EN); + + mipi_setbits_le32(mipi_tx, MIPITX_CK_CKMODE_EN, DSI_CK_CKMODE_EN); + + return data_rate; +} + +static void mtk_dsi_phy_timconfig(u32 data_rate, struct mtk_phy_timing *phy_timing) +{ + u32 timcon0, timcon1, timcon2, timcon3; + + timcon0 = phy_timing->lpx | phy_timing->da_hs_prepare << 8 | + phy_timing->da_hs_zero << 16 | phy_timing->da_hs_trail << 24; + timcon1 = phy_timing->ta_go | phy_timing->ta_sure << 8 | + phy_timing->ta_get << 16 | phy_timing->da_hs_exit << 24; + timcon2 = 1 << 8 | phy_timing->clk_hs_zero << 16 | + phy_timing->clk_hs_trail << 24; + timcon3 = phy_timing->clk_hs_prepare | phy_timing->clk_hs_post << 8 | + phy_timing->clk_hs_exit << 16; + + dsi_write32(&dsi->dsi_phy_timecon0, timcon0); + dsi_write32(&dsi->dsi_phy_timecon1, timcon1); + dsi_write32(&dsi->dsi_phy_timecon2, timcon2); + dsi_write32(&dsi->dsi_phy_timecon3, timcon3); +} + +static void mtk_dsi_reset(void) +{ + dsi_setbits_le32(&dsi->dsi_con_ctrl, 3); + dsi_clrbits_le32(&dsi->dsi_con_ctrl, 1); +} + +static void mtk_dsi_clk_hs_mode_enable(void) +{ + dsi_setbits_le32(&dsi->dsi_phy_lccon, LC_HS_TX_EN); +} + +static void mtk_dsi_clk_hs_mode_disable(void) +{ + dsi_clrbits_le32(&dsi->dsi_phy_lccon, LC_HS_TX_EN); +} + +static void mtk_dsi_set_mode(u32 mode_flags) +{ + u32 tmp_reg1 = 0; + + if (mode_flags & MIPI_DSI_MODE_VIDEO) { + tmp_reg1 = SYNC_PULSE_MODE; + + if (mode_flags & MIPI_DSI_MODE_VIDEO_BURST) + tmp_reg1 = BURST_MODE; + + if (mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) + tmp_reg1 = SYNC_PULSE_MODE; + } + + dsi_write32(&dsi->dsi_mode_ctrl, tmp_reg1); +} + +static void mtk_dsi_phy_timing_calc(u32 format, u32 lanes, + const struct edid *edid, struct mtk_phy_timing *phy_timing) +{ + u32 ui, cycle_time, data_rate; + u32 bit_per_pixel; + + switch (format) { + case MIPI_DSI_FMT_RGB565: + bit_per_pixel = 16; + break; + case MIPI_DSI_FMT_RGB666: + case MIPI_DSI_FMT_RGB666_PACKED: + bit_per_pixel = 18; + break; + case MIPI_DSI_FMT_RGB888: + default: + bit_per_pixel = 24; + break; + } + + data_rate = edid->mode.pixel_clock * bit_per_pixel / lanes; + + ui = 1000 / (data_rate / 1000) + 1U; + cycle_time = 8000 / (data_rate / 1000) + 1U; + + phy_timing->lpx = DIV_ROUND_UP(0x50, cycle_time); + phy_timing->da_hs_prepare = DIV_ROUND_UP((0x40 + 0x5 * ui), cycle_time); + phy_timing->da_hs_zero = DIV_ROUND_UP((0xc8 + 0x0a * ui), cycle_time); + phy_timing->da_hs_trail = DIV_ROUND_UP(((0x4 * ui) + 0x50), cycle_time); + + if (phy_timing->da_hs_zero > phy_timing->da_hs_prepare) + phy_timing->da_hs_zero -= phy_timing->da_hs_prepare; + + phy_timing->ta_go = 4U * phy_timing->lpx; + phy_timing->ta_sure = 3U * phy_timing->lpx / 2U; + phy_timing->ta_get = 5U * phy_timing->lpx; + phy_timing->da_hs_exit = 2U * phy_timing->lpx; + + phy_timing->clk_hs_zero = DIV_ROUND_UP(0x150U, cycle_time); + phy_timing->clk_hs_trail = DIV_ROUND_UP(0x64U, cycle_time) + 0xaU; + + phy_timing->clk_hs_prepare = DIV_ROUND_UP(0x40U, cycle_time); + phy_timing->clk_hs_post = DIV_ROUND_UP(80U + 52U * ui, cycle_time); + phy_timing->clk_hs_exit = 2U * phy_timing->lpx; +} + +static void mtk_dsi_rxtx_control(u32 mode_flags, u32 lanes) +{ + u32 tmp_reg = 0; + + switch (lanes) { + case 1: + tmp_reg = 1 << 2; + break; + case 2: + tmp_reg = 3 << 2; + break; + case 3: + tmp_reg = 7 << 2; + break; + case 4: + default: + tmp_reg = 0xf << 2; + break; + } + + tmp_reg |= (mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) << 6; + tmp_reg |= (mode_flags & MIPI_DSI_MODE_EOT_PACKET) >> 3; + + dsi_write32(&dsi->dsi_txrx_ctrl, tmp_reg); +} + +static void mtk_dsi_config_vdo_timing(u32 mode_flags, u32 format, + const struct edid *edid) +{ + u32 hsync_active_byte; + u32 hbp_byte; + u32 hfp_byte; + u32 vbp_byte; + u32 vfp_byte; + u32 bpp; + u32 packet_fmt; + u32 hactive; + + if (format == MIPI_DSI_FMT_RGB565) + bpp = 2; + else + bpp = 3; + + vbp_byte = edid->mode.vbl - edid->mode.vso - edid->mode.vspw - + edid->mode.vborder; + vfp_byte = edid->mode.vso - edid->mode.vborder; + + + dsi_write32(&dsi->dsi_vsa_nl, edid->mode.vspw); + dsi_write32(&dsi->dsi_vbp_nl, vbp_byte); + dsi_write32(&dsi->dsi_vfp_nl, vfp_byte); + dsi_write32(&dsi->dsi_vact_nl, edid->mode.va); + + if (mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) + hbp_byte = (edid->mode.hbl - edid->mode.hso - edid->mode.hspw - + edid->mode.hborder) * bpp - 10; + else + hbp_byte = (edid->mode.hbl - edid->mode.hso - + edid->mode.hborder) * bpp - 10; + + hsync_active_byte = edid->mode.hspw * bpp - 10; + hfp_byte = (edid->mode.hso - edid->mode.hborder) * bpp - 12; + + dsi_write32(&dsi->dsi_hsa_wc, hsync_active_byte); + dsi_write32(&dsi->dsi_hbp_wc, hbp_byte); + dsi_write32(&dsi->dsi_hfp_wc, hfp_byte); + + switch (format) { + case MIPI_DSI_FMT_RGB888: + packet_fmt = PACKED_PS_24BIT_RGB888; + break; + case MIPI_DSI_FMT_RGB666: + packet_fmt = LOOSELY_PS_18BIT_RGB666; + break; + case MIPI_DSI_FMT_RGB666_PACKED: + packet_fmt = PACKED_PS_18BIT_RGB666; + break; + case MIPI_DSI_FMT_RGB565: + packet_fmt = PACKED_PS_16BIT_RGB565; + break; + default: + packet_fmt = PACKED_PS_24BIT_RGB888; + break; + } + + hactive = edid->mode.ha; + packet_fmt |= (hactive * bpp) & DSI_PS_WC; + + dsi_write32(&dsi->dsi_psctrl, 0x2c << 24 | packet_fmt); + dsi_write32(&dsi->dsi_size_con, edid->mode.va << 16 | hactive); +} + +static void mtk_dsi_start(void) +{ + dsi_write32(&dsi->dsi_start, 0); + dsi_write32(&dsi->dsi_start, 1); +} + +static void mtk_dsi_cmdq(u8 *data, u8 len) +{ + struct stopwatch sw; + u8 *tx_buf = data; + u8 cmdq_size; + u32 reg_val, cmdq_mask, i, config, cmdq_off, type, intsta_0; + + switch (len) { + case 0: + return; + + case 1: + type = MIPI_DSI_DCS_SHORT_WRITE; + break; + + case 2: + type = MIPI_DSI_DCS_SHORT_WRITE_PARAM; + break; + + default: + type = MIPI_DSI_DCS_LONG_WRITE; + break; + } + + if (MTK_DSI_HOST_IS_READ(type)) + config = BTA; + else + config = (len > 2) ? LONG_PACKET : SHORT_PACKET; + + if (len > 2) { + cmdq_size = 1 + (len + 3) / 4; + cmdq_off = 4; + cmdq_mask = CONFIG | DATA_ID | DATA_0 | DATA_1; + reg_val = (len << 16) | (type << 8) | config; + } else { + cmdq_size = 1; + cmdq_off = 2; + cmdq_mask = CONFIG | DATA_ID; + reg_val = (type << 8) | config; + } + + for (i = 0; i < len; i++) + dsi_clrsetbits_le32(&dsi->dsi_cmdq0 + ((cmdq_off + i) & (~0x3)), + (0xff << (((i + cmdq_off) & 3) * 8)), + tx_buf[i] << (((i + cmdq_off) & 3) * 8)); + + dsi_clrsetbits_le32(&dsi->dsi_cmdq0, cmdq_mask, reg_val); + dsi_clrsetbits_le32(&dsi->dsi_cmdq_size, CMDQ_SIZE, cmdq_size); + dsi_write32(&dsi->dsi_intsta, 0); + mtk_dsi_start(); + + stopwatch_init_usecs_expire(&sw, 400); + do { + intsta_0 = read32(&dsi->dsi_intsta); + if (intsta_0 & CMD_DONE_INT_FLAG) + break; + udelay(4); + } while (!stopwatch_expired(&sw)); + + if (!(intsta_0 & CMD_DONE_INT_FLAG)) + printk(BIOS_ERR, "dsi DONE INT Timeout\n"); + + dsi_write32(&dsi->dsi_start, 0); +} + +static void push_table(struct lcm_init_table *init_cmd, u32 count) +{ + u32 cmd, i; + + for (i = 0; i < count; i++) { + cmd = init_cmd[i].cmd; + + switch (cmd) { + case DELAY_CMD: + mdelay(init_cmd[i].cmd); + break; + + case END_OF_TABLE: + break; + + case INIT_CMD: + default: + mtk_dsi_cmdq(init_cmd[i].data, init_cmd[i].len); + break; + } + } +} + +int mtk_dsi_init(u32 mode_flags, u32 format, u32 lanes, bool dual, + const struct edid *edid, struct lcm_init_table *init_cmd, u32 count) +{ + int data_rate; + struct mtk_phy_timing phy_timing; + + mtk_dsi_phy_timing_calc(format, lanes, edid, &phy_timing); + + data_rate = mtk_dsi_phy_clk_setting(format, lanes, edid, &phy_timing); + + if (data_rate < 0) + return -1; + + mtk_dsi_reset(); + dsi_write32(&dsi->dsi_force_commit, 3); + mtk_dsi_phy_timconfig(data_rate, &phy_timing); + mtk_dsi_rxtx_control(mode_flags, lanes); + mtk_dsi_clk_hs_mode_disable(); + mtk_dsi_config_vdo_timing(mode_flags, format, edid); + mtk_dsi_clk_hs_mode_enable(); + mtk_dsi_set_mode(0); + push_table(init_cmd, count); + mtk_dsi_set_mode(mode_flags); + mtk_dsi_start(); + + return 0; +} + diff --git a/src/soc/mediatek/mt8183/include/soc/addressmap.h b/src/soc/mediatek/mt8183/include/soc/addressmap.h index 88653eb..75202dd 100644 --- a/src/soc/mediatek/mt8183/include/soc/addressmap.h +++ b/src/soc/mediatek/mt8183/include/soc/addressmap.h @@ -47,6 +47,7 @@ IOCFG_RT_BASE = IO_PHYS + 0x01C50000, IOCFG_RM_BASE = IO_PHYS + 0x01D20000, IOCFG_RB_BASE = IO_PHYS + 0x01D30000, + MIPITX_BASE = IO_PHYS + 0x01E50000, IOCFG_LB_BASE = IO_PHYS + 0x01E70000, IOCFG_LM_BASE = IO_PHYS + 0x01E80000, IOCFG_BL_BASE = IO_PHYS + 0x01E90000, @@ -64,6 +65,7 @@ DISP_AAL0_BASE = IO_PHYS + 0x04010000, DISP_GAMMA0_BASE = IO_PHYS + 0x04011000, DISP_DITHER0_BASE = IO_PHYS + 0x04012000, + DSI_BASE = IO_PHYS + 0x04014000, DISP_MUTEX_BASE = IO_PHYS + 0x04016000, SMI_LARB0 = IO_PHYS + 0x04017000, SMI_BASE = IO_PHYS + 0x04019000, diff --git a/src/soc/mediatek/mt8183/include/soc/dsi.h b/src/soc/mediatek/mt8183/include/soc/dsi.h new file mode 100644 index 0000000..7b74478 --- /dev/null +++ b/src/soc/mediatek/mt8183/include/soc/dsi.h @@ -0,0 +1,484 @@ +/* + * 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; + u32 dsi_lfr_con; + u32 dsi_lfr_sta; + u32 dsi_size_con; + u32 dsi_vfp_early_stop; + u32 reserved1[4]; + 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[92]; + u32 dsi_force_commit; + u8 reserved6[108]; + u32 dsi_cmdq0; +}; + +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_force_commit, 0x190); +check_member(dsi_regs, dsi_cmdq0, 0x200); +static struct dsi_regs *const dsi = (void *)DSI_BASE; + +#define DELAY_CMD 0 +#define END_OF_TABLE 1 +#define INIT_CMD 2 + +struct lcm_init_table { + u32 cmd; + u32 len; + u8 data[64]; +}; + +struct mtk_phy_timing { + u8 lpx; + u8 da_hs_prepare; + u8 da_hs_zero; + u8 da_hs_trail; + + u8 ta_go; + u8 ta_sure; + u8 ta_get; + u8 da_hs_exit; + + u8 clk_hs_zero; + u8 clk_hs_trail; + + u8 clk_hs_prepare; + u8 clk_hs_post; + u8 clk_hs_exit; +}; + +/* 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), +}; + +#define MIPITX_LANE_CON 0x000c +#define MIPITX_PLL_PWR 0x0028 +#define MIPITX_PLL_CON0 0x002c +#define MIPITX_PLL_CON1 0x0030 +#define MIPITX_PLL_CON2 0x0034 +#define MIPITX_PLL_CON3 0x0038 +#define MIPITX_PLL_CON4 0x003c +#define MIPITX_D2_SW_CTL_EN 0x0144 +#define MIPITX_D0_SW_CTL_EN 0x0244 +#define MIPITX_CK_CKMODE_EN 0x0328 +#define DSI_CK_CKMODE_EN BIT(0) +#define MIPITX_CK_SW_CTL_EN 0x0344 +#define MIPITX_D1_SW_CTL_EN 0x0444 +#define MIPITX_D3_SW_CTL_EN 0x0544 +#define DSI_SW_CTL_EN BIT(0) +#define AD_DSI_PLL_SDM_PWR_ON BIT(0) +#define AD_DSI_PLL_SDM_ISO_EN BIT(1) + +#define RG_DSI_PLL_EN BIT(4) +#define RG_DSI_PLL_POSDIV (0x7 << 8) + + +/* 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_tx = (void *)MIPITX_BASE; + +/* MIPITX_DSI_CON */ +enum { + RG_DSI_LDOCORE_EN = BIT(0), + RG_DSI_CKG_LDOOUT_EN = BIT(1), + RG_DSI_BCLK_SEL = (3 << 2), + RG_DSI_LD_IDX_SEL = (7 << 4), + RG_DSI_PHYCLK_SEL = (2 << 8), + RG_DSI_DSICLK_FREQ_SEL = BIT(10), + RG_DSI_LPTX_CLMP_EN = BIT(11) +}; + +/* MIPITX_DSI_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_DSI_MPPLL_PLL_EN = BIT(0), + RG_DSI_MPPLL_PREDIV = (3 << 1), + RG_DSI_MPPLL_TXDIV0 = (3 << 3), + RG_DSI_MPPLL_TXDIV1 = (3 << 5), + RG_DSI_MPPLL_POSDIV = (7 << 7), + RG_DSI_MPPLL_MONVC_EN = BIT(10), + RG_DSI_MPPLL_MONREF_EN = BIT(11), + RG_DSI_MPPLL_VOD_EN = BIT(12) +}; + +/* MIPITX_DSI_PLL_CON1 */ +enum { + RG_DSI_MPPLL_SDM_FRA_EN = BIT(0), + RG_DSI_MPPLL_SDM_SSC_PH_INIT = BIT(1), + RG_DSI_MPPLL_SDM_SSC_EN = BIT(2), + RG_DSI_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) +}; + +/* 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, +}; + +#define MTK_DSI_HOST_IS_READ(type) \ + ((type == MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM) || \ + (type == MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM) || \ + (type == MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM) || \ + (type == MIPI_DSI_DCS_READ)) + +extern int mtk_dsi_init(u32 mode_flags, u32 format, u32 lanes, bool dual, + const struct edid *edid, struct lcm_init_table *init_cmd, u32 count); + +#endif