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/* Copyright (c) 2015-2018, 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.
*/
#ifndef _DPU_FORMATS_H
#define _DPU_FORMATS_H
#include <drm/drm_fourcc.h>
#include "msm_gem.h"
#include "dpu_hw_mdss.h"
/**
* dpu_get_dpu_format_ext() - Returns dpu format structure pointer.
* @format: DRM FourCC Code
* @modifiers: format modifier array from client, one per plane
*/
const struct dpu_format *dpu_get_dpu_format_ext(
const uint32_t format,
const uint64_t modifier);
#define dpu_get_dpu_format(f) dpu_get_dpu_format_ext(f, 0)
/**
* dpu_get_msm_format - get an dpu_format by its msm_format base
* callback function registers with the msm_kms layer
* @kms: kms driver
* @format: DRM FourCC Code
* @modifiers: data layout modifier
*/
const struct msm_format *dpu_get_msm_format(
struct msm_kms *kms,
const uint32_t format,
const uint64_t modifiers);
/**
* dpu_populate_formats - populate the given array with fourcc codes supported
* @format_list: pointer to list of possible formats
* @pixel_formats: array to populate with fourcc codes
* @pixel_modifiers: array to populate with drm modifiers, can be NULL
* @pixel_formats_max: length of pixel formats array
* Return: number of elements populated
*/
uint32_t dpu_populate_formats(
const struct dpu_format_extended *format_list,
uint32_t *pixel_formats,
uint64_t *pixel_modifiers,
uint32_t pixel_formats_max);
/**
* dpu_format_check_modified_format - validate format and buffers for
* dpu non-standard, i.e. modified format
* @kms: kms driver
* @msm_fmt: pointer to the msm_fmt base pointer of an dpu_format
* @cmd: fb_cmd2 structure user request
* @bos: gem buffer object list
*
* Return: error code on failure, 0 on success
*/
int dpu_format_check_modified_format(
const struct msm_kms *kms,
const struct msm_format *msm_fmt,
const struct drm_mode_fb_cmd2 *cmd,
struct drm_gem_object **bos);
/**
* dpu_format_populate_layout - populate the given format layout based on
* mmu, fb, and format found in the fb
* @aspace: address space pointer
* @fb: framebuffer pointer
* @fmtl: format layout structure to populate
*
* Return: error code on failure, -EAGAIN if success but the addresses
* are the same as before or 0 if new addresses were populated
*/
int dpu_format_populate_layout(
struct msm_gem_address_space *aspace,
struct drm_framebuffer *fb,
struct dpu_hw_fmt_layout *fmtl);
#endif /*_DPU_FORMATS_H */
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