diff options
| -rw-r--r-- | src/soc/mediatek/common/dsi.c | 192 | ||||
| -rw-r--r-- | src/soc/mediatek/common/include/soc/dsi_common.h | 312 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8173/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8173/dsi.c | 177 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8173/include/soc/dsi.h | 287 |
5 files changed, 511 insertions, 459 deletions
diff --git a/src/soc/mediatek/common/dsi.c b/src/soc/mediatek/common/dsi.c new file mode 100644 index 0000000000..3d003ec94f --- /dev/null +++ b/src/soc/mediatek/common/dsi.c @@ -0,0 +1,192 @@ +/* + * 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 <device/mmio.h> +#include <console/console.h> +#include <device/mmio.h> +#include <delay.h> +#include <edid.h> +#include <soc/dsi.h> +#include <timer.h> + +static void mtk_dsi_phy_timconfig(u32 data_rate) +{ + u32 timcon0, timcon1, timcon2, timcon3; + u32 cycle_time, ui, lpx; + + ui = 1000 / data_rate + 0x01; + cycle_time = 8000 / data_rate + 0x01; + lpx = 5; + + timcon0 = (8 << 24) | (0xa << 16) | (0x6 << 8) | lpx; + timcon1 = (7 << 24) | (5 * lpx << 16) | ((3 * lpx) / 2) << 8 | + (4 * lpx); + timcon2 = ((DIV_ROUND_UP(0x64, cycle_time) + 0xa) << 24) | + (DIV_ROUND_UP(0x150, cycle_time) << 16); + timcon3 = (2 * lpx) << 16 | + DIV_ROUND_UP(80 + 52 * ui, cycle_time) << 8 | + DIV_ROUND_UP(0x40, cycle_time); + + write32(&dsi0->dsi_phy_timecon0, timcon0); + write32(&dsi0->dsi_phy_timecon1, timcon1); + write32(&dsi0->dsi_phy_timecon2, timcon2); + write32(&dsi0->dsi_phy_timecon3, timcon3); +} + +static void mtk_dsi_clk_hs_mode_enable(void) +{ + setbits_le32(&dsi0->dsi_phy_lccon, LC_HS_TX_EN); +} + +static void mtk_dsi_clk_hs_mode_disable(void) +{ + clrbits_le32(&dsi0->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; + } + + write32(&dsi0->dsi_mode_ctrl, tmp_reg1); +} + +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; + + write32(&dsi0->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; + + write32(&dsi0->dsi_vsa_nl, edid->mode.vspw); + write32(&dsi0->dsi_vbp_nl, vbp_byte); + write32(&dsi0->dsi_vfp_nl, vfp_byte); + write32(&dsi0->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; + + write32(&dsi0->dsi_hsa_wc, hsync_active_byte); + write32(&dsi0->dsi_hbp_wc, hbp_byte); + write32(&dsi0->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; + + write32(&dsi0->dsi_psctrl, packet_fmt); +} + +static void mtk_dsi_start(void) +{ + write32(&dsi0->dsi_start, 0); + /* Only start master DSI */ + write32(&dsi0->dsi_start, 1); +} + +int mtk_dsi_init(u32 mode_flags, u32 format, u32 lanes, const struct edid *edid) +{ + int data_rate; + + data_rate = mtk_dsi_phy_clk_setting(format, lanes, edid); + + if (data_rate < 0) + return -1; + + mtk_dsi_reset(); + mtk_dsi_phy_timconfig(data_rate); + mtk_dsi_rxtx_control(mode_flags, lanes); + mtk_dsi_clk_hs_mode_disable(); + mtk_dsi_config_vdo_timing(mode_flags, format, edid); + mtk_dsi_set_mode(mode_flags); + mtk_dsi_clk_hs_mode_enable(); + + mtk_dsi_start(); + + return 0; +} 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 <edid.h> +#include <types.h> +#include <soc/addressmap.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; + 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 */ diff --git a/src/soc/mediatek/mt8173/Makefile.inc b/src/soc/mediatek/mt8173/Makefile.inc index 510fbf0cc5..21a0c73ae3 100644 --- a/src/soc/mediatek/mt8173/Makefile.inc +++ b/src/soc/mediatek/mt8173/Makefile.inc @@ -83,7 +83,7 @@ ramstage-y += ../common/rtc.c rtc.c ramstage-y += ../common/usb.c usb.c ramstage-y += ../common/ddp.c ddp.c -ramstage-y += dsi.c +ramstage-y += ../common/dsi.c dsi.c ramstage-$(CONFIG_ARM64_USE_ARM_TRUSTED_FIRMWARE) += bl31_plat_params.c diff --git a/src/soc/mediatek/mt8173/dsi.c b/src/soc/mediatek/mt8173/dsi.c index 5b96a582b7..e2e843e19d 100644 --- a/src/soc/mediatek/mt8173/dsi.c +++ b/src/soc/mediatek/mt8173/dsi.c @@ -16,12 +16,11 @@ #include <device/mmio.h> #include <console/console.h> #include <delay.h> -#include <soc/addressmap.h> +#include <edid.h> #include <soc/dsi.h> #include <timer.h> -static int mtk_dsi_phy_clk_setting(u32 format, u32 lanes, - const struct edid *edid) +int mtk_dsi_phy_clk_setting(u32 format, u32 lanes, const struct edid *edid) { u32 txdiv0, txdiv1; u64 pcw; @@ -133,182 +132,12 @@ static int mtk_dsi_phy_clk_setting(u32 format, u32 lanes, return mipi_tx_rate; } -static void mtk_dsi_phy_timconfig(u32 data_rate) -{ - u32 timcon0, timcon1, timcon2, timcon3; - u32 cycle_time, ui, lpx; - - ui = 1000 / data_rate + 0x01; - cycle_time = 8000 / data_rate + 0x01; - lpx = 5; - - timcon0 = (8 << 24) | (0xa << 16) | (0x6 << 8) | lpx; - timcon1 = (7 << 24) | (5 * lpx << 16) | ((3 * lpx) / 2) << 8 | - (4 * lpx); - timcon2 = ((DIV_ROUND_UP(0x64, cycle_time) + 0xa) << 24) | - (DIV_ROUND_UP(0x150, cycle_time) << 16); - timcon3 = (2 * lpx) << 16 | - DIV_ROUND_UP(80 + 52 * ui, cycle_time) << 8 | - DIV_ROUND_UP(0x40, cycle_time); - - write32(&dsi0->dsi_phy_timecon0, timcon0); - write32(&dsi0->dsi_phy_timecon1, timcon1); - write32(&dsi0->dsi_phy_timecon2, timcon2); - write32(&dsi0->dsi_phy_timecon3, timcon3); -} - -static void mtk_dsi_reset(void) +void mtk_dsi_reset(void) { setbits_le32(&dsi0->dsi_con_ctrl, 3); clrbits_le32(&dsi0->dsi_con_ctrl, 1); } -static void mtk_dsi_clk_hs_mode_enable(void) -{ - setbits_le32(&dsi0->dsi_phy_lccon, LC_HS_TX_EN); -} - -static void mtk_dsi_clk_hs_mode_disable(void) -{ - clrbits_le32(&dsi0->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; - } - - write32(&dsi0->dsi_mode_ctrl, tmp_reg1); -} - -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; - - write32(&dsi0->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; - - write32(&dsi0->dsi_vsa_nl, edid->mode.vspw); - write32(&dsi0->dsi_vbp_nl, vbp_byte); - write32(&dsi0->dsi_vfp_nl, vfp_byte); - write32(&dsi0->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; - - write32(&dsi0->dsi_hsa_wc, hsync_active_byte); - write32(&dsi0->dsi_hbp_wc, hbp_byte); - write32(&dsi0->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; - - write32(&dsi0->dsi_psctrl, packet_fmt); -} - -static void mtk_dsi_start(void) -{ - write32(&dsi0->dsi_start, 0); - /* Only start master DSI */ - write32(&dsi0->dsi_start, 1); -} - -int mtk_dsi_init(u32 mode_flags, u32 format, u32 lanes, const struct edid *edid) -{ - int data_rate; - - data_rate = mtk_dsi_phy_clk_setting(format, lanes, edid); - - if (data_rate < 0) - return -1; - - mtk_dsi_reset(); - mtk_dsi_phy_timconfig(data_rate); - mtk_dsi_rxtx_control(mode_flags, lanes); - mtk_dsi_clk_hs_mode_disable(); - mtk_dsi_config_vdo_timing(mode_flags, format, edid); - mtk_dsi_set_mode(mode_flags); - mtk_dsi_clk_hs_mode_enable(); - - mtk_dsi_start(); - - return 0; -} - void mtk_dsi_pin_drv_ctrl(void) { struct stopwatch sw; diff --git a/src/soc/mediatek/mt8173/include/soc/dsi.h b/src/soc/mediatek/mt8173/include/soc/dsi.h index 967ed4d27e..f7c622745d 100644 --- a/src/soc/mediatek/mt8173/include/soc/dsi.h +++ b/src/soc/mediatek/mt8173/include/soc/dsi.h @@ -16,183 +16,9 @@ #ifndef _DSI_REG_H_ #define _DSI_REG_H_ -#include <edid.h> -#include <types.h> +#include <soc/dsi_common.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; - 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; -}; - -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); -static struct dsi_regs *const dsi0 = (void *)DSI0_BASE; -static struct dsi_regs *const dsi1 = (void *)DSI1_BASE; - -/* 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), -}; +/* MIPITX is SOC specific and cannot live in common. */ /* MIPITX_REG */ struct mipi_tx_regs { @@ -336,114 +162,7 @@ enum { RG_DA_LVDSTX_PWR_ON = BIT(9) }; -/* 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, -}; - -int mtk_dsi_init(u32 mode_flags, enum mipi_dsi_pixel_format format, u32 lanes, - const struct edid *edid); +/* SOC specific functions */ void mtk_dsi_pin_drv_ctrl(void); #endif |