drivers/media/platform/msm/vidc/msm_vidc_platform.c - kernel/msm-4.9 - Gitiles

 /* Copyright (c) 2017, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
  * only version 2 as published by the Free Software Foundation.
  *
  * 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 <linux/debugfs.h>
 #include <linux/dma-mapping.h>
 #include <linux/init.h>
 #include <linux/ioctl.h>
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/version.h>
 #include <linux/io.h>
 #include "msm_vidc_internal.h"
 #include "msm_vidc_debug.h"


 #define CODEC_ENTRY(n, p, vsp, vpp, lp) \
 {	\
 	.fourcc = n,		\
 	.session_type = p,	\
 	.vsp_cycles = vsp,	\
 	.vpp_cycles = vpp,	\
 	.low_power_cycles = lp	\
 }

 #define EFUSE_ENTRY(sa, s, m, sh, p) \
 {	\
 	.start_address = sa,		\
 	.size = s,	\
 	.mask = m,	\
 	.shift = sh,	\
 	.purpose = p	\
 }

 static struct msm_vidc_codec_data default_codec_data[] =  {
 	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_ENCODER, 125, 675, 320),
 	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_DECODER, 125, 675, 320),
 };

 static struct msm_vidc_codec_data sdm845_codec_data[] =  {
 	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_ENCODER, 125, 675, 320),
 	CODEC_ENTRY(V4L2_PIX_FMT_HEVC, MSM_VIDC_ENCODER, 125, 675, 320),
 	CODEC_ENTRY(V4L2_PIX_FMT_VP8, MSM_VIDC_ENCODER, 125, 675, 320),
 	CODEC_ENTRY(V4L2_PIX_FMT_TME, MSM_VIDC_ENCODER, 0, 540, 540),
 	CODEC_ENTRY(V4L2_PIX_FMT_MPEG2, MSM_VIDC_DECODER, 50, 200, 200),
 	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_DECODER, 50, 200, 200),
 	CODEC_ENTRY(V4L2_PIX_FMT_HEVC, MSM_VIDC_DECODER, 50, 200, 200),
 	CODEC_ENTRY(V4L2_PIX_FMT_VP8, MSM_VIDC_DECODER, 50, 200, 200),
 	CODEC_ENTRY(V4L2_PIX_FMT_VP9, MSM_VIDC_DECODER, 50, 200, 200),
 };

 static struct msm_vidc_codec_data sdm670_codec_data[] =  {
 	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_ENCODER, 125, 675, 320),
 	CODEC_ENTRY(V4L2_PIX_FMT_HEVC, MSM_VIDC_ENCODER, 125, 675, 320),
 	CODEC_ENTRY(V4L2_PIX_FMT_VP8, MSM_VIDC_ENCODER, 125, 675, 320),
 	CODEC_ENTRY(V4L2_PIX_FMT_TME, MSM_VIDC_ENCODER, 0, 540, 540),
 	CODEC_ENTRY(V4L2_PIX_FMT_MPEG2, MSM_VIDC_DECODER, 50, 200, 200),
 	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_DECODER, 50, 200, 200),
 	CODEC_ENTRY(V4L2_PIX_FMT_HEVC, MSM_VIDC_DECODER, 50, 200, 200),
 	CODEC_ENTRY(V4L2_PIX_FMT_VP8, MSM_VIDC_DECODER, 50, 200, 200),
 	CODEC_ENTRY(V4L2_PIX_FMT_VP9, MSM_VIDC_DECODER, 50, 200, 200),
 };

 /*
  * Custom conversion coefficients for resolution: 176x144 negative
  * coeffs are converted to s4.9 format
  * (e.g. -22 converted to ((1 << 13) - 22)
  * 3x3 transformation matrix coefficients in s4.9 fixed point format
  */
 static u32 vpe_csc_custom_matrix_coeff[HAL_MAX_MATRIX_COEFFS] = {
 	470, 8170, 8148, 0, 490, 50, 0, 34, 483
 };

 /* offset coefficients in s9 fixed point format */
 static u32 vpe_csc_custom_bias_coeff[HAL_MAX_BIAS_COEFFS] = {
 	34, 0, 4
 };

 /* clamping value for Y/U/V([min,max] for Y/U/V) */
 static u32 vpe_csc_custom_limit_coeff[HAL_MAX_LIMIT_COEFFS] = {
 	16, 235, 16, 240, 16, 240
 };

 static struct msm_vidc_common_data default_common_data[] = {
 	{
 		.key = "qcom,never-unload-fw",
 		.value = 1,
 	},
 };

 static struct msm_vidc_common_data sdm845_common_data[] = {
 	{
 		.key = "qcom,never-unload-fw",
 		.value = 1,
 	},
 	{
 		.key = "qcom,sw-power-collapse",
 		.value = 1,
 	},
 	{
 		.key = "qcom,domain-attr-non-fatal-faults",
 		.value = 1,
 	},
 	{
 		.key = "qcom,domain-attr-cache-pagetables",
 		.value = 1,
 	},
 	{
 		.key = "qcom,max-secure-instances",
 		.value = 5,
 	},
 	{
 		.key = "qcom,max-hw-load",
 		.value = 3110400,	/* 4096x2160@90 */
 	},
 	{
 		.key = "qcom,max-hq-mbs-per-frame",
 		.value = 8160,
 	},
 	{
 		.key = "qcom,max-hq-frames-per-sec",
 		.value = 60,
 	},
 	{
 		.key = "qcom,max-b-frame-size",
 		.value = 8160,
 	},
 	{
 		.key = "qcom,max-b-frames-per-sec",
 		.value = 60,
 	},
 	{
 		.key = "qcom,power-collapse-delay",
 		.value = 1500,
 	},
 	{
 		.key = "qcom,hw-resp-timeout",
 		.value = 1000,
 	},
 	{
 		.key = "qcom,debug-timeout",
 		.value = 0,
 	},
 };

 static struct msm_vidc_common_data sdm670_common_data_v0[] = {
 	{
 		.key = "qcom,never-unload-fw",
 		.value = 1,
 	},
 	{
 		.key = "qcom,sw-power-collapse",
 		.value = 1,
 	},
 	{
 		.key = "qcom,domain-attr-non-fatal-faults",
 		.value = 1,
 	},
 	{
 		.key = "qcom,domain-attr-cache-pagetables",
 		.value = 1,
 	},
 	{
 		.key = "qcom,max-secure-instances",
 		.value = 5,
 	},
 	{
 		.key = "qcom,max-hw-load",
 		.value = 1944000,
 	},
 	{
 		.key = "qcom,max-hq-mbs-per-frame",
 		.value = 8160,
 	},
 	{
 		.key = "qcom,max-hq-frames-per-sec",
 		.value = 60,
 	},
 	{
 		.key = "qcom,max-b-frame-size",
 		.value = 8160,
 	},
 	{
 		.key = "qcom,max-b-frames-per-sec",
 		.value = 60,
 	},
 	{
 		.key = "qcom,power-collapse-delay",
 		.value = 1500,
 	},
 	{
 		.key = "qcom,hw-resp-timeout",
 		.value = 1000,
 	},
 };

 static struct msm_vidc_common_data sdm670_common_data_v1[] = {
 	{
 		.key = "qcom,never-unload-fw",
 		.value = 1,
 	},
 	{
 		.key = "qcom,sw-power-collapse",
 		.value = 1,
 	},
 	{
 		.key = "qcom,domain-attr-non-fatal-faults",
 		.value = 1,
 	},
 	{
 		.key = "qcom,domain-attr-cache-pagetables",
 		.value = 1,
 	},
 	{
 		.key = "qcom,max-secure-instances",
 		.value = 5,
 	},
 	{
 		.key = "qcom,max-hw-load",
 		.value = 1216800,
 	},
 	{
 		.key = "qcom,max-hq-mbs-per-frame",
 		.value = 8160,
 	},
 	{
 		.key = "qcom,max-hq-frames-per-sec",
 		.value = 60,
 	},
 	{
 		.key = "qcom,max-b-frame-size",
 		.value = 8160,
 	},
 	{
 		.key = "qcom,max-b-frames-per-sec",
 		.value = 60,
 	},
 	{
 		.key = "qcom,power-collapse-delay",
 		.value = 1500,
 	},
 	{
 		.key = "qcom,hw-resp-timeout",
 		.value = 1000,
 	},
 };

 static struct msm_vidc_efuse_data sdm670_efuse_data[] = {
 	EFUSE_ENTRY(0x007801A0, 4, 0x00008000, 0x0f, SKU_VERSION),
 };

 static struct msm_vidc_platform_data default_data = {
 	.codec_data = default_codec_data,
 	.codec_data_length =  ARRAY_SIZE(default_codec_data),
 	.common_data = default_common_data,
 	.common_data_length =  ARRAY_SIZE(default_common_data),
 	.csc_data.vpe_csc_custom_bias_coeff = vpe_csc_custom_bias_coeff,
 	.csc_data.vpe_csc_custom_matrix_coeff = vpe_csc_custom_matrix_coeff,
 	.csc_data.vpe_csc_custom_limit_coeff = vpe_csc_custom_limit_coeff,
 	.efuse_data = NULL,
 	.efuse_data_length = 0,
 	.sku_version = 0,
 };

 static struct msm_vidc_platform_data sdm845_data = {
 	.codec_data = sdm845_codec_data,
 	.codec_data_length =  ARRAY_SIZE(sdm845_codec_data),
 	.common_data = sdm845_common_data,
 	.common_data_length =  ARRAY_SIZE(sdm845_common_data),
 	.csc_data.vpe_csc_custom_bias_coeff = vpe_csc_custom_bias_coeff,
 	.csc_data.vpe_csc_custom_matrix_coeff = vpe_csc_custom_matrix_coeff,
 	.csc_data.vpe_csc_custom_limit_coeff = vpe_csc_custom_limit_coeff,
 	.efuse_data = NULL,
 	.efuse_data_length = 0,
 	.sku_version = 0,
 };

 static struct msm_vidc_platform_data sdm670_data = {
 	.codec_data = sdm670_codec_data,
 	.codec_data_length =  ARRAY_SIZE(sdm670_codec_data),
 	.common_data = sdm670_common_data_v0,
 	.common_data_length =  ARRAY_SIZE(sdm670_common_data_v0),
 	.csc_data.vpe_csc_custom_bias_coeff = vpe_csc_custom_bias_coeff,
 	.csc_data.vpe_csc_custom_matrix_coeff = vpe_csc_custom_matrix_coeff,
 	.csc_data.vpe_csc_custom_limit_coeff = vpe_csc_custom_limit_coeff,
 	.efuse_data = sdm670_efuse_data,
 	.efuse_data_length = ARRAY_SIZE(sdm670_efuse_data),
 	.sku_version = 0,
 };

 static const struct of_device_id msm_vidc_dt_match[] = {
 	{
 		.compatible = "qcom,sdm845-vidc",
 		.data = &sdm845_data,
 	},
 	{
 		.compatible = "qcom,sdm670-vidc",
 		.data = &sdm670_data,
 	},
 	{},
 };

 MODULE_DEVICE_TABLE(of, msm_vidc_dt_match);

 static int msm_vidc_read_efuse(
 		struct msm_vidc_platform_data *data, struct device *dev)
 {
 	void __iomem *base;
 	uint32_t i;
 	struct msm_vidc_efuse_data *efuse_data = data->efuse_data;
 	uint32_t efuse_data_count = data->efuse_data_length;

 	for (i = 0; i < efuse_data_count; i++) {

 		switch ((efuse_data[i]).purpose) {

 		case SKU_VERSION:
 			base = devm_ioremap(dev, (efuse_data[i]).start_address,
 					(efuse_data[i]).size);
 			if (!base) {
 				dprintk(VIDC_ERR,
 					"failed efuse ioremap: res->start %#x, size %d\n",
 					(efuse_data[i]).start_address,
 					(efuse_data[i]).size);
 					return -EINVAL;
 			} else {
 				u32 efuse = 0;

 				efuse = readl_relaxed(base);
 				data->sku_version =
 					(efuse & (efuse_data[i]).mask) >>
 					(efuse_data[i]).shift;
 				dprintk(VIDC_DBG,
 					"efuse 0x%x, platform version 0x%x\n",
 					efuse, data->sku_version);

 				devm_iounmap(dev, base);
 			}
 			break;

 		default:
 			break;
 		}
 	}
 	return 0;
 }

 void *vidc_get_drv_data(struct device *dev)
 {
 	struct msm_vidc_platform_data *driver_data = NULL;
 	const struct of_device_id *match;
 	int rc = 0;

 	if (!IS_ENABLED(CONFIG_OF) || !dev->of_node) {
 		driver_data = &default_data;
 		goto exit;
 	}

 	match = of_match_node(msm_vidc_dt_match, dev->of_node);

 	if (match)
 		driver_data = (struct msm_vidc_platform_data *)match->data;

 	if (!of_find_property(dev->of_node, "sku-index", NULL) ||
 			!driver_data) {
 		goto exit;
 	} else if (!strcmp(match->compatible, "qcom,sdm670-vidc")) {
 		rc = msm_vidc_read_efuse(driver_data, dev);
 		if (rc)
 			goto exit;

 		if (driver_data->sku_version == SKU_VERSION_1) {
 			driver_data->common_data = sdm670_common_data_v1;
 			driver_data->common_data_length =
 					ARRAY_SIZE(sdm670_common_data_v1);
 		}
 	}

 exit:
 	return driver_data;
 }
	/* Copyright (c) 2017, The Linux Foundation. All rights reserved.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 and
	* only version 2 as published by the Free Software Foundation.
	*
	* 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 <linux/debugfs.h>
	#include <linux/dma-mapping.h>
	#include <linux/init.h>
	#include <linux/ioctl.h>
	#include <linux/list.h>
	#include <linux/module.h>
	#include <linux/of_platform.h>
	#include <linux/platform_device.h>
	#include <linux/slab.h>
	#include <linux/types.h>
	#include <linux/version.h>
	#include <linux/io.h>
	#include "msm_vidc_internal.h"
	#include "msm_vidc_debug.h"


	#define CODEC_ENTRY(n, p, vsp, vpp, lp) \
	{ \
	.fourcc = n, \
	.session_type = p, \
	.vsp_cycles = vsp, \
	.vpp_cycles = vpp, \
	.low_power_cycles = lp \
	}

	#define EFUSE_ENTRY(sa, s, m, sh, p) \
	{ \
	.start_address = sa, \
	.size = s, \
	.mask = m, \
	.shift = sh, \
	.purpose = p \
	}

	static struct msm_vidc_codec_data default_codec_data[] = {
	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_ENCODER, 125, 675, 320),
	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_DECODER, 125, 675, 320),
	};

	static struct msm_vidc_codec_data sdm845_codec_data[] = {
	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_ENCODER, 125, 675, 320),
	CODEC_ENTRY(V4L2_PIX_FMT_HEVC, MSM_VIDC_ENCODER, 125, 675, 320),
	CODEC_ENTRY(V4L2_PIX_FMT_VP8, MSM_VIDC_ENCODER, 125, 675, 320),
	CODEC_ENTRY(V4L2_PIX_FMT_TME, MSM_VIDC_ENCODER, 0, 540, 540),
	CODEC_ENTRY(V4L2_PIX_FMT_MPEG2, MSM_VIDC_DECODER, 50, 200, 200),
	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_DECODER, 50, 200, 200),
	CODEC_ENTRY(V4L2_PIX_FMT_HEVC, MSM_VIDC_DECODER, 50, 200, 200),
	CODEC_ENTRY(V4L2_PIX_FMT_VP8, MSM_VIDC_DECODER, 50, 200, 200),
	CODEC_ENTRY(V4L2_PIX_FMT_VP9, MSM_VIDC_DECODER, 50, 200, 200),
	};

	static struct msm_vidc_codec_data sdm670_codec_data[] = {
	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_ENCODER, 125, 675, 320),
	CODEC_ENTRY(V4L2_PIX_FMT_HEVC, MSM_VIDC_ENCODER, 125, 675, 320),
	CODEC_ENTRY(V4L2_PIX_FMT_VP8, MSM_VIDC_ENCODER, 125, 675, 320),
	CODEC_ENTRY(V4L2_PIX_FMT_TME, MSM_VIDC_ENCODER, 0, 540, 540),
	CODEC_ENTRY(V4L2_PIX_FMT_MPEG2, MSM_VIDC_DECODER, 50, 200, 200),
	CODEC_ENTRY(V4L2_PIX_FMT_H264, MSM_VIDC_DECODER, 50, 200, 200),
	CODEC_ENTRY(V4L2_PIX_FMT_HEVC, MSM_VIDC_DECODER, 50, 200, 200),
	CODEC_ENTRY(V4L2_PIX_FMT_VP8, MSM_VIDC_DECODER, 50, 200, 200),
	CODEC_ENTRY(V4L2_PIX_FMT_VP9, MSM_VIDC_DECODER, 50, 200, 200),
	};

	/*
	* Custom conversion coefficients for resolution: 176x144 negative
	* coeffs are converted to s4.9 format
	* (e.g. -22 converted to ((1 << 13) - 22)
	* 3x3 transformation matrix coefficients in s4.9 fixed point format
	*/
	static u32 vpe_csc_custom_matrix_coeff[HAL_MAX_MATRIX_COEFFS] = {
	470, 8170, 8148, 0, 490, 50, 0, 34, 483
	};

	/* offset coefficients in s9 fixed point format */
	static u32 vpe_csc_custom_bias_coeff[HAL_MAX_BIAS_COEFFS] = {
	34, 0, 4
	};

	/* clamping value for Y/U/V([min,max] for Y/U/V) */
	static u32 vpe_csc_custom_limit_coeff[HAL_MAX_LIMIT_COEFFS] = {
	16, 235, 16, 240, 16, 240
	};

	static struct msm_vidc_common_data default_common_data[] = {
	{
	.key = "qcom,never-unload-fw",
	.value = 1,
	},
	};

	static struct msm_vidc_common_data sdm845_common_data[] = {
	{
	.key = "qcom,never-unload-fw",
	.value = 1,
	},
	{
	.key = "qcom,sw-power-collapse",
	.value = 1,
	},
	{
	.key = "qcom,domain-attr-non-fatal-faults",
	.value = 1,
	},
	{
	.key = "qcom,domain-attr-cache-pagetables",
	.value = 1,
	},
	{
	.key = "qcom,max-secure-instances",
	.value = 5,
	},
	{
	.key = "qcom,max-hw-load",
	.value = 3110400, /* 4096x2160@90 */
	},
	{
	.key = "qcom,max-hq-mbs-per-frame",
	.value = 8160,
	},
	{
	.key = "qcom,max-hq-frames-per-sec",
	.value = 60,
	},
	{
	.key = "qcom,max-b-frame-size",
	.value = 8160,
	},
	{
	.key = "qcom,max-b-frames-per-sec",
	.value = 60,
	},
	{
	.key = "qcom,power-collapse-delay",
	.value = 1500,
	},
	{
	.key = "qcom,hw-resp-timeout",
	.value = 1000,
	},
	{
	.key = "qcom,debug-timeout",
	.value = 0,
	},
	};

	static struct msm_vidc_common_data sdm670_common_data_v0[] = {
	{
	.key = "qcom,never-unload-fw",
	.value = 1,
	},
	{
	.key = "qcom,sw-power-collapse",
	.value = 1,
	},
	{
	.key = "qcom,domain-attr-non-fatal-faults",
	.value = 1,
	},
	{
	.key = "qcom,domain-attr-cache-pagetables",
	.value = 1,
	},
	{
	.key = "qcom,max-secure-instances",
	.value = 5,
	},
	{
	.key = "qcom,max-hw-load",
	.value = 1944000,
	},
	{
	.key = "qcom,max-hq-mbs-per-frame",
	.value = 8160,
	},
	{
	.key = "qcom,max-hq-frames-per-sec",
	.value = 60,
	},
	{
	.key = "qcom,max-b-frame-size",
	.value = 8160,
	},
	{
	.key = "qcom,max-b-frames-per-sec",
	.value = 60,
	},
	{
	.key = "qcom,power-collapse-delay",
	.value = 1500,
	},
	{
	.key = "qcom,hw-resp-timeout",
	.value = 1000,
	},
	};

	static struct msm_vidc_common_data sdm670_common_data_v1[] = {
	{
	.key = "qcom,never-unload-fw",
	.value = 1,
	},
	{
	.key = "qcom,sw-power-collapse",
	.value = 1,
	},
	{
	.key = "qcom,domain-attr-non-fatal-faults",
	.value = 1,
	},
	{
	.key = "qcom,domain-attr-cache-pagetables",
	.value = 1,
	},
	{
	.key = "qcom,max-secure-instances",
	.value = 5,
	},
	{
	.key = "qcom,max-hw-load",
	.value = 1216800,
	},
	{
	.key = "qcom,max-hq-mbs-per-frame",
	.value = 8160,
	},
	{
	.key = "qcom,max-hq-frames-per-sec",
	.value = 60,
	},
	{
	.key = "qcom,max-b-frame-size",
	.value = 8160,
	},
	{
	.key = "qcom,max-b-frames-per-sec",
	.value = 60,
	},
	{
	.key = "qcom,power-collapse-delay",
	.value = 1500,
	},
	{
	.key = "qcom,hw-resp-timeout",
	.value = 1000,
	},
	};

	static struct msm_vidc_efuse_data sdm670_efuse_data[] = {
	EFUSE_ENTRY(0x007801A0, 4, 0x00008000, 0x0f, SKU_VERSION),
	};

	static struct msm_vidc_platform_data default_data = {
	.codec_data = default_codec_data,
	.codec_data_length = ARRAY_SIZE(default_codec_data),
	.common_data = default_common_data,
	.common_data_length = ARRAY_SIZE(default_common_data),
	.csc_data.vpe_csc_custom_bias_coeff = vpe_csc_custom_bias_coeff,
	.csc_data.vpe_csc_custom_matrix_coeff = vpe_csc_custom_matrix_coeff,
	.csc_data.vpe_csc_custom_limit_coeff = vpe_csc_custom_limit_coeff,
	.efuse_data = NULL,
	.efuse_data_length = 0,
	.sku_version = 0,
	};

	static struct msm_vidc_platform_data sdm845_data = {
	.codec_data = sdm845_codec_data,
	.codec_data_length = ARRAY_SIZE(sdm845_codec_data),
	.common_data = sdm845_common_data,
	.common_data_length = ARRAY_SIZE(sdm845_common_data),
	.csc_data.vpe_csc_custom_bias_coeff = vpe_csc_custom_bias_coeff,
	.csc_data.vpe_csc_custom_matrix_coeff = vpe_csc_custom_matrix_coeff,
	.csc_data.vpe_csc_custom_limit_coeff = vpe_csc_custom_limit_coeff,
	.efuse_data = NULL,
	.efuse_data_length = 0,
	.sku_version = 0,
	};

	static struct msm_vidc_platform_data sdm670_data = {
	.codec_data = sdm670_codec_data,
	.codec_data_length = ARRAY_SIZE(sdm670_codec_data),
	.common_data = sdm670_common_data_v0,
	.common_data_length = ARRAY_SIZE(sdm670_common_data_v0),
	.csc_data.vpe_csc_custom_bias_coeff = vpe_csc_custom_bias_coeff,
	.csc_data.vpe_csc_custom_matrix_coeff = vpe_csc_custom_matrix_coeff,
	.csc_data.vpe_csc_custom_limit_coeff = vpe_csc_custom_limit_coeff,
	.efuse_data = sdm670_efuse_data,
	.efuse_data_length = ARRAY_SIZE(sdm670_efuse_data),
	.sku_version = 0,
	};

	static const struct of_device_id msm_vidc_dt_match[] = {
	{
	.compatible = "qcom,sdm845-vidc",
	.data = &sdm845_data,
	},
	{
	.compatible = "qcom,sdm670-vidc",
	.data = &sdm670_data,
	},
	{},
	};

	MODULE_DEVICE_TABLE(of, msm_vidc_dt_match);

	static int msm_vidc_read_efuse(
	struct msm_vidc_platform_data data, struct device dev)
	{
	void __iomem *base;
	uint32_t i;
	struct msm_vidc_efuse_data *efuse_data = data->efuse_data;
	uint32_t efuse_data_count = data->efuse_data_length;

	for (i = 0; i < efuse_data_count; i++) {

	switch ((efuse_data[i]).purpose) {

	case SKU_VERSION:
	base = devm_ioremap(dev, (efuse_data[i]).start_address,
	(efuse_data[i]).size);
	if (!base) {
	dprintk(VIDC_ERR,
	"failed efuse ioremap: res->start %#x, size %d\n",
	(efuse_data[i]).start_address,
	(efuse_data[i]).size);
	return -EINVAL;
	} else {
	u32 efuse = 0;

	efuse = readl_relaxed(base);
	data->sku_version =
	(efuse & (efuse_data[i]).mask) >>
	(efuse_data[i]).shift;
	dprintk(VIDC_DBG,
	"efuse 0x%x, platform version 0x%x\n",
	efuse, data->sku_version);

	devm_iounmap(dev, base);
	}
	break;

	default:
	break;
	}
	}
	return 0;
	}

	void vidc_get_drv_data(struct device dev)
	{
	struct msm_vidc_platform_data *driver_data = NULL;
	const struct of_device_id *match;
	int rc = 0;

	if (!IS_ENABLED(CONFIG_OF) \|\| !dev->of_node) {
	driver_data = &default_data;
	goto exit;
	}

	match = of_match_node(msm_vidc_dt_match, dev->of_node);

	if (match)
	driver_data = (struct msm_vidc_platform_data *)match->data;

	if (!of_find_property(dev->of_node, "sku-index", NULL) \|\|
	!driver_data) {
	goto exit;
	} else if (!strcmp(match->compatible, "qcom,sdm670-vidc")) {
	rc = msm_vidc_read_efuse(driver_data, dev);
	if (rc)
	goto exit;

	if (driver_data->sku_version == SKU_VERSION_1) {
	driver_data->common_data = sdm670_common_data_v1;
	driver_data->common_data_length =
	ARRAY_SIZE(sdm670_common_data_v1);
	}
	}

	exit:
	return driver_data;
	}