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Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h
new file mode 100644
index 000000000000..a54451d8d011
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.h
@@ -0,0 +1,88 @@
+/* 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 */