drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_1_14_msm8937.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_1_14_msm8937.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_1_14_msm8937.h
Extension
.h
Size
5334 bytes
Lines
205
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _DPU_1_14_MSM8937_H
#define _DPU_1_14_MSM8937_H

static const struct dpu_caps msm8937_dpu_caps = {
	.max_mixer_width = DEFAULT_DPU_LINE_WIDTH,
	.max_mixer_blendstages = 0x4,
	.max_linewidth = DEFAULT_DPU_LINE_WIDTH,
	.pixel_ram_size = 40 * 1024,
	.max_hdeci_exp = MAX_HORZ_DECIMATION,
	.max_vdeci_exp = MAX_VERT_DECIMATION,
};

static const struct dpu_mdp_cfg msm8937_mdp[] = {
	{
		.name = "top_0",
		.base = 0x0, .len = 0x454,
		.clk_ctrls = {
			[DPU_CLK_CTRL_VIG0] = { .reg_off = 0x2ac, .bit_off = 0 },
			[DPU_CLK_CTRL_RGB0] = { .reg_off = 0x2ac, .bit_off = 4 },
			[DPU_CLK_CTRL_RGB1] = { .reg_off = 0x2b4, .bit_off = 4 },
			[DPU_CLK_CTRL_DMA0] = { .reg_off = 0x2ac, .bit_off = 8 },
			[DPU_CLK_CTRL_CURSOR0] = { .reg_off = 0x3a8, .bit_off = 16 },
		},
	},
};

static const struct dpu_ctl_cfg msm8937_ctl[] = {
	{
		.name = "ctl_0", .id = CTL_0,
		.base = 0x1000, .len = 0x64,
	}, {
		.name = "ctl_1", .id = CTL_1,
		.base = 0x1200, .len = 0x64,
	}, {
		.name = "ctl_2", .id = CTL_2,
		.base = 0x1400, .len = 0x64,
	},
};

static const struct dpu_sspp_cfg msm8937_sspp[] = {
	{
		.name = "sspp_0", .id = SSPP_VIG0,
		.base = 0x4000, .len = 0x150,
		.features = VIG_MSM8953_MASK,
		.sblk = &dpu_vig_sblk_qseed2,
		.xin_id = 0,
		.type = SSPP_TYPE_VIG,
		.clk_ctrl = DPU_CLK_CTRL_VIG0,
	}, {
		.name = "sspp_4", .id = SSPP_RGB0,
		.base = 0x14000, .len = 0x150,
		.features = RGB_MSM8953_MASK,
		.sblk = &dpu_rgb_sblk,
		.xin_id = 1,
		.type = SSPP_TYPE_RGB,
		.clk_ctrl = DPU_CLK_CTRL_RGB0,
	}, {
		.name = "sspp_5", .id = SSPP_RGB1,
		.base = 0x16000, .len = 0x150,
		.features = RGB_MSM8953_MASK,
		.sblk = &dpu_rgb_sblk,
		.xin_id = 5,
		.type = SSPP_TYPE_RGB,
		.clk_ctrl = DPU_CLK_CTRL_RGB1,
	}, {
		.name = "sspp_8", .id = SSPP_DMA0,
		.base = 0x24000, .len = 0x150,
		.features = DMA_MSM8953_MASK | BIT(DPU_SSPP_CURSOR),
		.sblk = &dpu_dma_sblk,
		.xin_id = 2,
		.type = SSPP_TYPE_DMA,
		.clk_ctrl = DPU_CLK_CTRL_DMA0,
	},
};

static const struct dpu_lm_cfg msm8937_lm[] = {
	{
		.name = "lm_0", .id = LM_0,
		.base = 0x44000, .len = 0x320,
		.sblk = &msm8998_lm_sblk,
		.lm_pair = LM_1,
		.pingpong = PINGPONG_0,
		.dspp = DSPP_0,
	}, {
		.name = "lm_1", .id = LM_1,
		.base = 0x45000, .len = 0x320,
		.sblk = &msm8998_lm_sblk,
		.lm_pair = LM_0,
		.pingpong = PINGPONG_1,
	},

Annotation

Implementation Notes