89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DPU_FORMATS_H
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#define _DPU_FORMATS_H
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#include <drm/drm_fourcc.h>
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#include "msm_gem.h"
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#include "dpu_hw_mdss.h"
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/**
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* dpu_get_dpu_format_ext() - Returns dpu format structure pointer.
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* @format: DRM FourCC Code
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* @modifiers: format modifier array from client, one per plane
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*/
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const struct dpu_format *dpu_get_dpu_format_ext(
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const uint32_t format,
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const uint64_t modifier);
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#define dpu_get_dpu_format(f) dpu_get_dpu_format_ext(f, 0)
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/**
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* dpu_find_format - validate if the pixel format is supported
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* @format: dpu format
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* @supported_formats: supported formats by dpu HW
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* @num_formatss: total number of formats
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*
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* Return: false if not valid format, true on success
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*/
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static inline bool dpu_find_format(u32 format, const u32 *supported_formats,
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size_t num_formats)
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{
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int i;
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for (i = 0; i < num_formats; i++) {
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/* check for valid formats supported */
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if (format == supported_formats[i])
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return true;
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}
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return false;
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}
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/**
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* dpu_get_msm_format - get an dpu_format by its msm_format base
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* callback function registers with the msm_kms layer
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* @kms: kms driver
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* @format: DRM FourCC Code
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* @modifiers: data layout modifier
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*/
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const struct msm_format *dpu_get_msm_format(
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struct msm_kms *kms,
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const uint32_t format,
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const uint64_t modifiers);
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/**
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* dpu_format_check_modified_format - validate format and buffers for
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* dpu non-standard, i.e. modified format
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* @kms: kms driver
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* @msm_fmt: pointer to the msm_fmt base pointer of an dpu_format
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* @cmd: fb_cmd2 structure user request
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* @bos: gem buffer object list
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*
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* Return: error code on failure, 0 on success
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*/
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int dpu_format_check_modified_format(
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const struct msm_kms *kms,
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const struct msm_format *msm_fmt,
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const struct drm_mode_fb_cmd2 *cmd,
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struct drm_gem_object **bos);
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/**
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* dpu_format_populate_layout - populate the given format layout based on
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* mmu, fb, and format found in the fb
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* @aspace: address space pointer
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* @fb: framebuffer pointer
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* @fmtl: format layout structure to populate
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*
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* Return: error code on failure, -EAGAIN if success but the addresses
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* are the same as before or 0 if new addresses were populated
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*/
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int dpu_format_populate_layout(
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struct msm_gem_address_space *aspace,
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struct drm_framebuffer *fb,
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struct dpu_hw_fmt_layout *fmtl);
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#endif /*_DPU_FORMATS_H */
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