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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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66620f48cb
Drop use of the deprecated drmP.h header. While doing so used the opportunity to clean up a little so includes are now sorted and removed unused include files. In a few cases added some forwards to allow header files to built in different include order. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Maxime Jourdan <mjourdan@baylibre.com> Cc: Jerome Brunet <jbrunet@baylibre.com> Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Link: https://patchwork.freedesktop.org/patch/msgid/20190716064220.18157-2-sam@ravnborg.org
67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2018 BayLibre, SAS
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*/
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#ifndef __SOC_MESON_CANVAS_H
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#define __SOC_MESON_CANVAS_H
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#include <linux/kernel.h>
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#define MESON_CANVAS_WRAP_NONE 0x00
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#define MESON_CANVAS_WRAP_X 0x01
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#define MESON_CANVAS_WRAP_Y 0x02
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#define MESON_CANVAS_BLKMODE_LINEAR 0x00
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#define MESON_CANVAS_BLKMODE_32x32 0x01
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#define MESON_CANVAS_BLKMODE_64x64 0x02
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#define MESON_CANVAS_ENDIAN_SWAP16 0x1
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#define MESON_CANVAS_ENDIAN_SWAP32 0x3
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#define MESON_CANVAS_ENDIAN_SWAP64 0x7
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#define MESON_CANVAS_ENDIAN_SWAP128 0xf
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struct device;
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struct meson_canvas;
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/**
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* meson_canvas_get() - get a canvas provider instance
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*
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* @dev: consumer device pointer
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*/
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struct meson_canvas *meson_canvas_get(struct device *dev);
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/**
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* meson_canvas_alloc() - take ownership of a canvas
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*
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* @canvas: canvas provider instance retrieved from meson_canvas_get()
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* @canvas_index: will be filled with the canvas ID
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*/
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int meson_canvas_alloc(struct meson_canvas *canvas, u8 *canvas_index);
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/**
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* meson_canvas_free() - remove ownership from a canvas
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*
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* @canvas: canvas provider instance retrieved from meson_canvas_get()
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* @canvas_index: canvas ID that was obtained via meson_canvas_alloc()
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*/
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int meson_canvas_free(struct meson_canvas *canvas, u8 canvas_index);
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/**
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* meson_canvas_config() - configure a canvas
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*
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* @canvas: canvas provider instance retrieved from meson_canvas_get()
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* @canvas_index: canvas ID that was obtained via meson_canvas_alloc()
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* @addr: physical address to the pixel buffer
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* @stride: width of the buffer
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* @height: height of the buffer
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* @wrap: undocumented
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* @blkmode: block mode (linear, 32x32, 64x64)
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* @endian: byte swapping (swap16, swap32, swap64, swap128)
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*/
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int meson_canvas_config(struct meson_canvas *canvas, u8 canvas_index,
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u32 addr, u32 stride, u32 height,
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unsigned int wrap, unsigned int blkmode,
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unsigned int endian);
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#endif
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