drivers/media/platform/qcom/iris/iris_platform_vpu2.c

Source file repositories/reference/linux-study-clean/drivers/media/platform/qcom/iris/iris_platform_vpu2.c

File Facts

System
Linux kernel
Corpus path
drivers/media/platform/qcom/iris/iris_platform_vpu2.c
Extension
.c
Size
3989 bytes
Lines
124
Domain
Driver Families
Bucket
drivers/media
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

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) Qualcomm Innovation Center, Inc. All rights reserved.
 */

#include "iris_core.h"
#include "iris_ctrls.h"
#include "iris_platform_common.h"
#include "iris_resources.h"
#include "iris_hfi_gen1.h"
#include "iris_hfi_gen1_defines.h"
#include "iris_vpu_buffer.h"
#include "iris_vpu_common.h"
#include "iris_instance.h"

#include "iris_platform_sc7280.h"
#include "iris_platform_sm8250.h"

static const struct iris_firmware_desc iris_vpu20_p1_gen1_desc = {
	.firmware_data = &iris_hfi_gen1_data,
	.get_vpu_buffer_size = iris_vpu_buf_size,
	.fwname = "qcom/vpu/vpu20_p1.mbn",
};

static const struct iris_firmware_desc iris_vpu20_p4_gen1_desc = {
	.firmware_data = &iris_hfi_gen1_data,
	.get_vpu_buffer_size = iris_vpu_buf_size,
	.fwname = "qcom/vpu/vpu20_p4.mbn",
};

static const u32 iris_fmts_vpu2_dec[] = {
	[IRIS_FMT_H264] = V4L2_PIX_FMT_H264,
	[IRIS_FMT_HEVC] = V4L2_PIX_FMT_HEVC,
	[IRIS_FMT_VP9] = V4L2_PIX_FMT_VP9,
};

static struct platform_inst_caps platform_inst_cap_vpu2 = {
	.min_frame_width = 128,
	.max_frame_width = 8192,
	.min_frame_height = 128,
	.max_frame_height = 8192,
	.max_mbpf = 138240,
	.mb_cycles_vsp = 25,
	.mb_cycles_vpp = 200,
	.max_frame_rate = MAXIMUM_FPS,
	.max_operating_rate = MAXIMUM_FPS,
};

static const struct icc_info iris_icc_info_vpu2[] = {
	{ "cpu-cfg",    1000, 1000     },
	{ "video-mem",  1000, 15000000 },
};

static const char * const iris_clk_reset_table_vpu2[] = { "bus", "core" };

static const char * const iris_pmdomain_table_vpu2[] = { "venus", "vcodec0" };

static const struct tz_cp_config tz_cp_config_vpu2[] = {
	{
		.cp_start = 0,
		.cp_size = 0x25800000,
		.cp_nonpixel_start = 0x01000000,
		.cp_nonpixel_size = 0x24800000,
	},
};

const struct iris_platform_data sc7280_data = {
	.firmware_desc = &iris_vpu20_p1_gen1_desc,
	.vpu_ops = &iris_vpu2_ops,
	.icc_tbl = iris_icc_info_vpu2,
	.icc_tbl_size = ARRAY_SIZE(iris_icc_info_vpu2),
	.bw_tbl_dec = sc7280_bw_table_dec,
	.bw_tbl_dec_size = ARRAY_SIZE(sc7280_bw_table_dec),
	.pmdomain_tbl = iris_pmdomain_table_vpu2,
	.pmdomain_tbl_size = ARRAY_SIZE(iris_pmdomain_table_vpu2),
	.opp_pd_tbl = sc7280_opp_pd_table,
	.opp_pd_tbl_size = ARRAY_SIZE(sc7280_opp_pd_table),
	.clk_tbl = sc7280_clk_table,
	.clk_tbl_size = ARRAY_SIZE(sc7280_clk_table),
	.opp_clk_tbl = sc7280_opp_clk_table,
	/* Upper bound of DMA address range */
	.dma_mask = 0xe0000000 - 1,
	.inst_iris_fmts = iris_fmts_vpu2_dec,
	.inst_iris_fmts_size = ARRAY_SIZE(iris_fmts_vpu2_dec),
	.inst_caps = &platform_inst_cap_vpu2,
	.tz_cp_config_data = tz_cp_config_vpu2,
	.tz_cp_config_data_size = ARRAY_SIZE(tz_cp_config_vpu2),
	.num_vpp_pipe = 1,
	.no_aon = true,
	.max_session_count = 16,

Annotation

Implementation Notes