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/* Copyright (c) 2015-2017, 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.
*/
#ifndef _SDE_FORMATS_H
#define _SDE_FORMATS_H
#include <drm/drm_fourcc.h>
#include "msm_gem.h"
#include "sde_hw_mdss.h"
/**
* sde_get_sde_format_ext() - Returns sde format structure pointer.
* @format: DRM FourCC Code
* @modifiers: format modifier array from client, one per plane
* @modifiers_len: number of planes and array size for plane_modifiers
*/
const struct sde_format *sde_get_sde_format_ext(
const uint32_t format,
const uint64_t *modifiers,
const uint32_t modifiers_len);
#define sde_get_sde_format(f) sde_get_sde_format_ext(f, NULL, 0)
/**
* sde_get_msm_format - get an sde_format by its msm_format base
* callback function registers with the msm_kms layer
* @kms: kms driver
* @format: DRM FourCC Code
* @modifiers: format modifier array from client, one per plane
* @modifiers_len: number of planes and array size for plane_modifiers
*/
const struct msm_format *sde_get_msm_format(
struct msm_kms *kms,
const uint32_t format,
const uint64_t *modifiers,
const uint32_t modifiers_len);
/**
* sde_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 sde_populate_formats(
const struct sde_format_extended *format_list,
uint32_t *pixel_formats,
uint64_t *pixel_modifiers,
uint32_t pixel_formats_max);
/**
* sde_format_get_plane_sizes - calculate size and layout of given buffer format
* @fmt: pointer to sde_format
* @w: width of the buffer
* @h: height of the buffer
* @layout: layout of the buffer
*
* Return: size of the buffer
*/
int sde_format_get_plane_sizes(
const struct sde_format *fmt,
const uint32_t w,
const uint32_t h,
struct sde_hw_fmt_layout *layout);
/**
* sde_format_check_modified_format - validate format and buffers for
* sde non-standard, i.e. modified format
* @kms: kms driver
* @msm_fmt: pointer to the msm_fmt base pointer of an sde_format
* @cmd: fb_cmd2 structure user request
* @bos: gem buffer object list
*
* Return: error code on failure, 0 on success
*/
int sde_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);
/**
* sde_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 sde_format_populate_layout(
struct msm_gem_address_space *aspace,
struct drm_framebuffer *fb,
struct sde_hw_fmt_layout *fmtl);
/**
* sde_format_populate_layout_with_roi - populate the given format layout
* based on mmu, fb, roi, and format found in the fb
* @aspace: mmu id handle
* @fb: framebuffer pointer
* @roi: region of interest (optional)
* @fmtl: format layout structure to populate
*
* Return: error code on failure, 0 on success
*/
int sde_format_populate_layout_with_roi(
struct msm_gem_address_space *aspace,
struct drm_framebuffer *fb,
struct sde_rect *roi,
struct sde_hw_fmt_layout *fmtl);
#endif /*_SDE_FORMATS_H */
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