3709853456
This change brings msm display driver including sde, dp, dsi, rotator, dsi pll and dp pll from base 4.19 kernel project. It is first source code snapshot from base kernel project. Change-Id: Iec864c064ce5ea04e170f24414c728684002f284 Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
167 lines
5.3 KiB
C
167 lines
5.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _SDE_FORMATS_H
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#define _SDE_FORMATS_H
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#include <drm/drm_fourcc.h>
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#include "msm_gem.h"
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#include "sde_hw_mdss.h"
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/**
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* sde_get_sde_format_ext() - Returns sde format structure pointer.
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* @format: DRM FourCC Code
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* @modifier: format modifier from client
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*/
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const struct sde_format *sde_get_sde_format_ext(
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const uint32_t format,
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const uint64_t modifier);
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#define sde_get_sde_format(f) sde_get_sde_format_ext(f, 0)
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/**
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* sde_get_msm_format - get an sde_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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* @modifier: data layout modifier
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*/
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const struct msm_format *sde_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 modifier);
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/**
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* sde_populate_formats - populate the given array with fourcc codes supported
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* @format_list: pointer to list of possible formats
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* @pixel_formats: array to populate with fourcc codes
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* @pixel_modifiers: array to populate with drm modifiers, can be NULL
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* @pixel_formats_max: length of pixel formats array
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* Return: number of elements populated
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*/
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uint32_t sde_populate_formats(
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const struct sde_format_extended *format_list,
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uint32_t *pixel_formats,
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uint64_t *pixel_modifiers,
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uint32_t pixel_formats_max);
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/**
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* sde_format_get_plane_sizes - calculate size and layout of given buffer format
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* @fmt: pointer to sde_format
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* @w: width of the buffer
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* @h: height of the buffer
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* @layout: layout of the buffer
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* @pitches: array of size [SDE_MAX_PLANES] to populate
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* pitch for each plane
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*
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* Return: size of the buffer
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*/
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int sde_format_get_plane_sizes(
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const struct sde_format *fmt,
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const uint32_t w,
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const uint32_t h,
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struct sde_hw_fmt_layout *layout,
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const uint32_t *pitches);
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/**
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* sde_format_get_block_size - get block size of given format when
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* operating in block mode
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* @fmt: pointer to sde_format
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* @w: pointer to width of the block
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* @h: pointer to height of the block
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*
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* Return: 0 if success; error oode otherwise
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*/
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int sde_format_get_block_size(const struct sde_format *fmt,
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uint32_t *w, uint32_t *h);
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/**
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* sde_format_check_modified_format - validate format and buffers for
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* sde 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 sde_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 sde_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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* sde_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 sde_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 sde_hw_fmt_layout *fmtl);
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/**
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* sde_format_populate_layout_with_roi - populate the given format layout
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* based on mmu, fb, roi, 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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* @roi: region of interest (optional)
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* @fmtl: format layout structure to populate
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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 sde_format_populate_layout_with_roi(
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struct msm_gem_address_space *aspace,
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struct drm_framebuffer *fb,
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struct sde_rect *roi,
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struct sde_hw_fmt_layout *fmtl);
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/**
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* sde_format_get_framebuffer_size - get framebuffer memory size
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* @format: DRM pixel format
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* @width: pixel width
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* @height: pixel height
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* @pitches: array of size [SDE_MAX_PLANES] to populate
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* pitch for each plane
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* @modifier: drm modifier
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*
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* Return: memory size required for frame buffer
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*/
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uint32_t sde_format_get_framebuffer_size(
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const uint32_t format,
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const uint32_t width,
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const uint32_t height,
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const uint32_t *pitches,
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const uint64_t modifier);
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/**
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* sde_format_is_tp10_ubwc - check if the format is tp10 ubwc
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* @format: DRM pixel format
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*
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* Return: returns true if the format is tp10 ubwc, otherwise false.
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*/
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bool sde_format_is_tp10_ubwc(const struct sde_format *fmt);
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/**
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* sde_format_validate_fmt - validates if the format "sde_fmt" is within
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* the list "fmt_list"
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* @kms: pointer to the kms object
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* @sde_fmt: pointer to the format to look within the list
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* @fmt_list: list where driver will loop to look for the 'sde_fmt' format.
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* @result: returns 0 if the format is found, otherwise will return an
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* error code.
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*/
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int sde_format_validate_fmt(struct msm_kms *kms,
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const struct sde_format *sde_fmt,
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const struct sde_format_extended *fmt_list);
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#endif /*_SDE_FORMATS_H */
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