| /* SPDX-License-Identifier: GPL-2.0-only OR MIT */ |
| |
| #include <console/console.h> |
| #include <device/mmio.h> |
| #include <edid.h> |
| #include <soc/addressmap.h> |
| #include <soc/ddp.h> |
| |
| static void disp_config_main_path_connection(enum disp_path_sel path) |
| { |
| /* ovl0 */ |
| write32(&mmsys_cfg->mmsys_ovl_mout_en, |
| DISP_OVL0_TO_DISP_RDMA0); |
| |
| if (path == DISP_PATH_EDP) { |
| write32(&mmsys_cfg->mmsys_dp_intf0_sel_in, |
| SEL_IN_DP_INTF0_FROM_DISP_DITHER0); |
| write32(&mmsys_cfg->mmsys_dither0_sel_out, |
| SEL_OUT_DISP_DITHER0_TO_DP_INTF0); |
| } else { |
| write32(&mmsys_cfg->mmsys_dsi0_sel_in, |
| SEL_IN_DSI0_FROM_DISP_DITHER0); |
| write32(&mmsys_cfg->mmsys_dither0_sel_out, |
| SEL_OUT_DISP_DITHER0_TO_DSI0); |
| } |
| } |
| |
| static void disp_config_main_path_mutex(enum disp_path_sel path) |
| { |
| write32(&disp_mutex->mutex[0].mod, MUTEX_MOD_MAIN_PATH); |
| |
| if (path == DISP_PATH_EDP) |
| write32(&disp_mutex->mutex[0].ctl, |
| MUTEX_SOF_DP_INTF0 | (MUTEX_SOF_DP_INTF0 << 7)); |
| else |
| write32(&disp_mutex->mutex[0].ctl, |
| MUTEX_SOF_DSI0 | (MUTEX_SOF_DSI0 << 7)); |
| |
| write32(&disp_mutex->mutex[0].en, BIT(0)); |
| } |
| |
| static void ovl_layer_smi_id_en(u32 idx) |
| { |
| setbits32(&disp_ovl[idx]->datapath_con, BIT(0)); |
| } |
| |
| static void ovl_layer_gclast_en(u32 idx) |
| { |
| setbits32(&disp_ovl[idx]->datapath_con, BIT(24)); |
| setbits32(&disp_ovl[idx]->datapath_con, BIT(25)); |
| } |
| |
| static void ovl_layer_output_clamp_en(u32 idx) |
| { |
| setbits32(&disp_ovl[idx]->datapath_con, BIT(26)); |
| } |
| |
| static void ovl_layer_en(u32 idx) |
| { |
| setbits32(&disp_ovl[idx]->en, BIT(0)); |
| } |
| |
| static void ccorr_config(u32 width, u32 height) |
| { |
| struct disp_ccorr_regs *const regs = disp_ccorr; |
| |
| write32(®s->size, width << 16 | height); |
| clrsetbits32(®s->cfg, PQ_ENGINE_EN, PQ_RELAY_MODE); |
| write32(®s->en, PQ_EN); |
| } |
| |
| static void aal_config(u32 width, u32 height) |
| { |
| struct disp_aal_regs *const regs = disp_aal; |
| |
| write32(®s->size, width << 16 | height); |
| write32(®s->output_size, width << 16 | height); |
| clrsetbits32(®s->cfg, PQ_ENGINE_EN, PQ_RELAY_MODE); |
| write32(®s->en, PQ_EN); |
| } |
| |
| static void gamma_config(u32 width, u32 height) |
| { |
| struct disp_gamma_regs *const regs = disp_gamma; |
| |
| write32(®s->size, width << 16 | height); |
| setbits32(®s->cfg, PQ_RELAY_MODE); |
| write32(®s->en, PQ_EN); |
| } |
| |
| static void postmask_config(u32 width, u32 height) |
| { |
| struct disp_postmask_regs *const regs = disp_postmask; |
| |
| write32(®s->size, width << 16 | height); |
| setbits32(®s->cfg, PQ_RELAY_MODE); |
| write32(®s->en, PQ_EN); |
| } |
| |
| static void dither_config(u32 width, u32 height) |
| { |
| struct disp_dither_regs *const regs = disp_dither; |
| |
| write32(®s->size, width << 16 | height); |
| setbits32(®s->cfg, PQ_RELAY_MODE); |
| write32(®s->en, PQ_EN); |
| } |
| |
| static void main_disp_path_setup(u32 width, u32 height, u32 vrefresh, enum disp_path_sel path) |
| { |
| u32 idx; |
| const u32 pixel_clk = width * height * vrefresh; |
| |
| for (idx = 0; idx < MAIN_PATH_OVL_NR; idx++) { |
| ovl_set_roi(idx, width, height, idx ? 0 : 0xff0000ff); |
| ovl_layer_smi_id_en(idx); |
| ovl_layer_gclast_en(idx); |
| ovl_layer_output_clamp_en(idx); |
| ovl_layer_en(idx); |
| } |
| |
| rdma_config(width, height, pixel_clk, 5 * KiB); |
| color_start(width, height); |
| ccorr_config(width, height); |
| aal_config(width, height); |
| gamma_config(width, height); |
| postmask_config(width, height); |
| dither_config(width, height); |
| disp_config_main_path_connection(path); |
| disp_config_main_path_mutex(path); |
| } |
| |
| static void disp_clock_on(void) |
| { |
| clrbits32(&mmsys_cfg->mmsys_cg_con0, CG_CON0_DISP_ALL); |
| clrbits32(&mmsys_cfg->mmsys_cg_con1, CG_CON1_DISP_ALL); |
| clrbits32(&mmsys_cfg->mmsys_cg_con2, CG_CON2_DISP_ALL); |
| } |
| |
| void mtk_ddp_init(void) |
| { |
| disp_clock_on(); |
| |
| /* Turn off M4U port. */ |
| write32p(SMI_LARB0 + SMI_LARB_PORT_L0_OVL_RDMA0, 0); |
| } |
| |
| void mtk_ddp_mode_set(const struct edid *edid, enum disp_path_sel path) |
| { |
| 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; |
| |
| printk(BIOS_DEBUG, "%s: display resolution: %dx%d@%d bpp %d\n", |
| __func__, width, height, vrefresh, bpp); |
| |
| if (!vrefresh) { |
| if (!width || !height) |
| vrefresh = 60; |
| else |
| vrefresh = edid->mode.pixel_clock * 1000 / |
| ((width + edid->mode.hbl) * |
| (height + edid->mode.vbl)); |
| |
| printk(BIOS_WARNING, "%s: vrefresh is not provided; using %d\n", |
| __func__, vrefresh); |
| } |
| |
| main_disp_path_setup(width, height, vrefresh, path); |
| rdma_start(); |
| ovl_layer_config(fmt, bpp, width, height); |
| } |