| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. |
| */ |
| |
| #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_find_format - validate if the pixel format is supported |
| * @format: dpu format |
| * @supported_formats: supported formats by dpu HW |
| * @num_formatss: total number of formats |
| * |
| * Return: false if not valid format, true on success |
| */ |
| static inline bool dpu_find_format(u32 format, const u32 *supported_formats, |
| size_t num_formats) |
| { |
| int i; |
| |
| for (i = 0; i < num_formats; i++) { |
| /* check for valid formats supported */ |
| if (format == supported_formats[i]) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * 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_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 */ |
