diff options
| -rw-r--r-- | src/soc/mediatek/mt8183/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8183/ddp.c | 103 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8183/include/soc/addressmap.h | 13 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8183/include/soc/ddp.h | 197 |
4 files changed, 314 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8183/Makefile.inc b/src/soc/mediatek/mt8183/Makefile.inc index 2a65c35ea3..45276835af 100644 --- a/src/soc/mediatek/mt8183/Makefile.inc +++ b/src/soc/mediatek/mt8183/Makefile.inc @@ -45,6 +45,7 @@ romstage-y += ../common/wdt.c ramstage-y += auxadc.c ramstage-y += ../common/cbmem.c emi.c +ramstage-y += ../common/ddp.c ddp.c ramstage-y += ../common/gpio.c gpio.c ramstage-y += ../common/i2c.c i2c.c ramstage-y += ../common/mmu_operations.c mmu_operations.c diff --git a/src/soc/mediatek/mt8183/ddp.c b/src/soc/mediatek/mt8183/ddp.c new file mode 100644 index 0000000000..0ae0be1815 --- /dev/null +++ b/src/soc/mediatek/mt8183/ddp.c @@ -0,0 +1,103 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2019 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 <edid.h> +#include <stdlib.h> +#include <string.h> +#include <stddef.h> +#include <soc/addressmap.h> +#include <soc/ddp.h> + +static void disp_config_main_path_connection(void) +{ + write32(&mmsys_cfg->disp_ovl0_mout_en, OVL0_MOUT_EN_OVL0_2L); + write32(&mmsys_cfg->disp_ovl0_2l_mout_en, OVL0_2L_MOUT_EN_DISP_PATH0); + write32(&mmsys_cfg->disp_path0_sel_in, DISP_PATH0_SEL_IN_OVL0_2L); + write32(&mmsys_cfg->disp_rdma0_sout_sel_in, RDMA0_SOUT_SEL_IN_COLOR); + write32(&mmsys_cfg->disp_dither0_mout_en, DITHER0_MOUT_EN_DISP_DSI0); + write32(&mmsys_cfg->dsi0_sel_in, DSI0_SEL_IN_DITHER0_MOUT); +} + +static void disp_config_main_path_mutex(void) +{ + write32(&disp_mutex->mutex[0].mod, MUTEX_MOD_MAIN_PATH); + + /* Clock source from DSI0 */ + write32(&disp_mutex->mutex[0].ctl, + MUTEX_SOF_DSI0 | (MUTEX_SOF_DSI0 << 6)); + write32(&disp_mutex->mutex[0].en, BIT(0)); +} + +static void ovl_bgclr_in_sel(u32 idx) +{ + setbits_le32(&disp_ovl[idx]->datapath_con, BIT(2)); +} + +static void enable_pq(struct disp_pq_regs *const regs, u32 width, u32 height, + int enable_relay) +{ + write32(®s->size, height << 16 | width); + if (enable_relay) + write32(®s->cfg, PQ_RELAY_MODE); + write32(®s->en, PQ_EN); +} + +static void main_disp_path_setup(u32 width, u32 height, u32 vrefresh) +{ + u32 idx = 0; + u32 pixel_clk = width * height * vrefresh; + + for (idx = 0; idx < MAIN_PATH_OVL_NR; idx++) + ovl_set_roi(idx, width, height, idx ? 0 : 0xff0000ff); + + rdma_config(width, height, pixel_clk, 5 * KiB); + color_start(width, height); + enable_pq(disp_ccorr, width, height, 1); + enable_pq(disp_aal, width, height, 0); + enable_pq(disp_gamma, width, height, 0); + enable_pq(disp_dither, width, height, 1); + disp_config_main_path_connection(); + disp_config_main_path_mutex(); +} + +static void disp_clock_on(void) +{ + clrbits_le32(&mmsys_cfg->mmsys_cg_con0, CG_CON0_DISP_ALL); + + clrbits_le32(&mmsys_cfg->mmsys_cg_con1, CG_CON1_DISP_DSI0 | + CG_CON1_DISP_DSI0_INTERFACE); +} + +void mtk_ddp_init(void) +{ + disp_clock_on(); + /* Turn off M4U port. */ + write32((void *)(SMI_LARB0 + SMI_LARB_NON_SEC_CON), 0); +} + +void mtk_ddp_mode_set(const struct edid *edid) +{ + u32 fmt = OVL_INFMT_RGBA8888; + u32 bpp = edid->framebuffer_bits_per_pixel / 8; + u32 width = edid->mode.ha; + u32 height = edid->mode.va; + u32 vrefresh = edid->mode.refresh; + + main_disp_path_setup(width, height, vrefresh); + rdma_start(); + ovl_layer_config(fmt, bpp, width, height); + ovl_bgclr_in_sel(1); +} diff --git a/src/soc/mediatek/mt8183/include/soc/addressmap.h b/src/soc/mediatek/mt8183/include/soc/addressmap.h index 5a4784d03d..bb44f9bb45 100644 --- a/src/soc/mediatek/mt8183/include/soc/addressmap.h +++ b/src/soc/mediatek/mt8183/include/soc/addressmap.h @@ -58,6 +58,19 @@ enum { IOCFG_LT_BASE = IO_PHYS + 0x01F20000, IOCFG_TL_BASE = IO_PHYS + 0x01F30000, SSUSB_SIF_BASE = IO_PHYS + 0x01F40300, + MMSYS_BASE = IO_PHYS + 0x04000000, + DISP_OVL0_BASE = IO_PHYS + 0x04008000, + DISP_OVL1_BASE = IO_PHYS + 0x04009000, + DISP_OVL1_2L_BASE = IO_PHYS + 0x0400A000, + DISP_RDMA0_BASE = IO_PHYS + 0x0400B000, + DISP_RDMA1_BASE = IO_PHYS + 0x0400C000, + DISP_COLOR0_BASE = IO_PHYS + 0x0400E000, + DISP_CCORR0_BASE = IO_PHYS + 0x0400F000, + DISP_AAL0_BASE = IO_PHYS + 0x04010000, + DISP_GAMMA0_BASE = IO_PHYS + 0x04011000, + DISP_DITHER0_BASE = IO_PHYS + 0x04012000, + 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/ddp.h b/src/soc/mediatek/mt8183/include/soc/ddp.h new file mode 100644 index 0000000000..479417c77e --- /dev/null +++ b/src/soc/mediatek/mt8183/include/soc/ddp.h @@ -0,0 +1,197 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2019 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 _MT8183_SOC_DDP_H_ +#define _MT8183_SOC_DDP_H_ + +#include <soc/addressmap.h> +#include <soc/ddp_common.h> +#include <types.h> + +#define MAIN_PATH_OVL_NR 2 + +struct mmsys_cfg_regs { + u32 reserved_0x000[64]; /* 0x000 */ + u32 mmsys_cg_con0; /* 0x100 */ + u32 mmsys_cg_set0; /* 0x104 */ + u32 mmsys_cg_clr0; /* 0x108 */ + u32 reserved_0x10C; /* 0x10C */ + u32 mmsys_cg_con1; /* 0x110 */ + u32 mmsys_cg_set1; /* 0x114 */ + u32 mmsys_cg_clr1; /* 0x118 */ + u32 reserved_0x11C[889]; /* 0x11C */ + u32 disp_ovl0_mout_en; /* 0xF00 */ + u32 disp_ovl0_2l_mout_en; /* 0xF04 */ + u32 disp_ovl1_2l_mout_en; /* 0xF08 */ + u32 disp_dither0_mout_en; /* 0xF0C */ + u32 reserved_0xF10[5]; /* 0xF10 - 0xF20 */ + u32 disp_path0_sel_in; /* 0xF24 */ + u32 reserved_0xF28; /* 0xF28 */ + u32 dsi0_sel_in; /* 0xF2C */ + u32 dpi0_sel_in; /* 0xF30 */ + u32 reserved_0xF34; /* 0xF34 */ + u32 disp_ovl0_2l_sel_in; /* 0xF38 */ + u32 reserved_0xF3C[5]; /* 0xF3C - 0xF4C */ + u32 disp_rdma0_sout_sel_in; /* 0xF50 */ + u32 disp_rdma1_sout_sel_in; /* 0xF54 */ + u32 reserved_0xF58[3]; /* 0xF58 - 0xF60 */ + u32 dpi0_sel_sout_sel_in; /* 0xF64 */ +}; + +check_member(mmsys_cfg_regs, mmsys_cg_con0, 0x100); +check_member(mmsys_cfg_regs, dpi0_sel_sout_sel_in, 0xF64); +static struct mmsys_cfg_regs *const mmsys_cfg = + (void *)MMSYS_BASE; + + +/* DISP_REG_CONFIG_MMSYS_CG_CON0 + Configures free-run clock gating 0 + 0: Enable clock + 1: Clock gating */ +enum { + CG_CON0_SMI_COMMON = BIT(0), + CG_CON0_SMI_LARB0 = BIT(1), + CG_CON0_GALS_COMMON0 = BIT(3), + CG_CON0_GALS_COMMON1 = BIT(4), + CG_CON0_DISP_OVL0 = BIT(20), + CG_CON0_DISP_OVL0_2L = BIT(21), + CG_CON0_DISP_OVL1_2L = BIT(22), + CG_CON0_DISP_RDMA0 = BIT(23), + CG_CON0_DISP_RDMA1 = BIT(24), + CG_CON0_DISP_WDMA0 = BIT(25), + CG_CON0_DISP_COLOR0 = BIT(26), + CG_CON0_DISP_CCORR0 = BIT(27), + CG_CON0_DISP_AAL0 = BIT(28), + CG_CON0_DISP_GAMMA0 = BIT(29), + CG_CON0_DISP_DITHER0 = BIT(30), + CG_CON0_DISP_ALL = CG_CON0_SMI_COMMON | + CG_CON0_SMI_LARB0 | + CG_CON0_GALS_COMMON0 | + CG_CON0_GALS_COMMON1 | + CG_CON0_DISP_OVL0 | + CG_CON0_DISP_OVL0_2L | + CG_CON0_DISP_RDMA0 | + CG_CON0_DISP_COLOR0 | + CG_CON0_DISP_CCORR0 | + CG_CON0_DISP_AAL0 | + CG_CON0_DISP_DITHER0 | + CG_CON0_DISP_GAMMA0, + CG_CON0_ALL = 0xffffffff +}; + +/* DISP_REG_CONFIG_MMSYS_CG_CON1 + Configures free-run clock gating 1 + 0: Enable clock + 1: Clock gating */ +enum { + CG_CON1_DISP_DSI0 = BIT(0), + CG_CON1_DISP_DSI0_INTERFACE = BIT(1), + CG_CON1_DISP_26M = BIT(7), + + CG_CON1_ALL = 0xffffffff +}; + +enum { + OVL0_MOUT_EN_RDMA0 = BIT(0), + OVL0_MOUT_EN_OVL0_2L = BIT(4), + OVL0_2L_MOUT_EN_DISP_PATH0 = BIT(0), + OVL1_2L_MOUT_EN_DISP_RDMA1 = BIT(4), + DITHER0_MOUT_EN_DISP_DSI0 = BIT(0), +}; + +enum { + DISP_PATH0_SEL_IN_OVL0 = 0, + DISP_PATH0_SEL_IN_OVL0_2L = 1, + DSI0_SEL_IN_DITHER0_MOUT = 0, + DSI0_SEL_IN_RDMA0 = 1, + RDMA0_SOUT_SEL_IN_DSI0 = 0, + RDMA0_SOUT_SEL_IN_COLOR = 1, +}; + +struct disp_mutex_regs { + u32 inten; + u32 intsta; + u32 reserved0[6]; + struct { + u32 en; + u32 dummy; + u32 rst; + u32 ctl; + u32 mod; + u32 reserved[3]; + } mutex[12]; +}; + +static struct disp_mutex_regs *const disp_mutex = (void *)DISP_MUTEX_BASE; + +enum { + MUTEX_MOD_DISP_RDMA0 = BIT(0), + MUTEX_MOD_DISP_RDMA1 = BIT(1), + MUTEX_MOD_DISP_OVL0 = BIT(9), + MUTEX_MOD_DISP_OVL0_2L = BIT(10), + MUTEX_MOD_DISP_OVL1_2L = BIT(11), + MUTEX_MOD_DISP_WDMA0 = BIT(12), + MUTEX_MOD_DISP_COLOR0 = BIT(13), + MUTEX_MOD_DISP_CCORR0 = BIT(14), + MUTEX_MOD_DISP_AAL0 = BIT(15), + MUTEX_MOD_DISP_GAMMA0 = BIT(16), + MUTEX_MOD_DISP_DITHER0 = BIT(17), + MUTEX_MOD_DISP_PWM0 = BIT(28), + MUTEX_MOD_MAIN_PATH = MUTEX_MOD_DISP_OVL0 | MUTEX_MOD_DISP_OVL0_2L | + MUTEX_MOD_DISP_RDMA0 | MUTEX_MOD_DISP_COLOR0 | + MUTEX_MOD_DISP_CCORR0 | MUTEX_MOD_DISP_AAL0 | + MUTEX_MOD_DISP_GAMMA0 | + MUTEX_MOD_DISP_DITHER0, +}; + +enum { + MUTEX_SOF_SINGLE_MODE = 0, + MUTEX_SOF_DSI0 = 1, + MUTEX_SOF_DPI0 = 2, +}; + +struct disp_pq_regs { + u32 en; + u32 reset; + u32 inten; + u32 intsta; + u32 status; + u32 reserved0[3]; + u32 cfg; + u32 reserved1[3]; + u32 size; +}; + +enum { + PQ_EN = BIT(0), + PQ_RELAY_MODE = BIT(0), +}; + +static struct disp_pq_regs *const disp_ccorr = (void *)DISP_CCORR0_BASE; + +static struct disp_pq_regs *const disp_aal = (void *)DISP_AAL0_BASE; + +static struct disp_pq_regs *const disp_gamma = (void *)DISP_GAMMA0_BASE; + +static struct disp_pq_regs *const disp_dither = (void *)DISP_DITHER0_BASE; + +enum { + SMI_LARB_NON_SEC_CON = 0x380, +}; + +void mtk_ddp_init(void); +void mtk_ddp_mode_set(const struct edid *edid); + +#endif |