linux/drivers/gpu/drm/radeon/radeon_legacy_crtc.c

/*
 * Copyright 2007-8 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 */

#include <drm/drm_fixed.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_vblank.h>
#include <drm/radeon_drm.h>

#include "atom.h"
#include "radeon.h"

static void radeon_overscan_setup(struct drm_crtc *crtc,
				  struct drm_display_mode *mode)
{ … }

static void radeon_legacy_rmx_mode_set(struct drm_crtc *crtc,
				       struct drm_display_mode *mode)
{ … }

static void radeon_pll_wait_for_read_update_complete(struct drm_device *dev)
{ … }

static void radeon_pll_write_update(struct drm_device *dev)
{ … }

static void radeon_pll2_wait_for_read_update_complete(struct drm_device *dev)
{ … }

static void radeon_pll2_write_update(struct drm_device *dev)
{ … }

static uint8_t radeon_compute_pll_gain(uint16_t ref_freq, uint16_t ref_div,
				       uint16_t fb_div)
{ … }

static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
{ … }

int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
			 struct drm_framebuffer *old_fb)
{ … }

int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
				struct drm_framebuffer *fb,
				int x, int y, enum mode_set_atomic state)
{ … }

int radeon_crtc_do_set_base(struct drm_crtc *crtc,
			 struct drm_framebuffer *fb,
			 int x, int y, int atomic)
{ … }

static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mode *mode)
{ … }

static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
{ … }

static bool radeon_crtc_mode_fixup(struct drm_crtc *crtc,
				   const struct drm_display_mode *mode,
				   struct drm_display_mode *adjusted_mode)
{ … }

static int radeon_crtc_mode_set(struct drm_crtc *crtc,
				 struct drm_display_mode *mode,
				 struct drm_display_mode *adjusted_mode,
				 int x, int y, struct drm_framebuffer *old_fb)
{ … }

static void radeon_crtc_prepare(struct drm_crtc *crtc)
{ … }

static void radeon_crtc_commit(struct drm_crtc *crtc)
{ … }

static void radeon_crtc_disable(struct drm_crtc *crtc)
{ … }

static const struct drm_crtc_helper_funcs legacy_helper_funcs = …;


void radeon_legacy_init_crtc(struct drm_device *dev,
			       struct radeon_crtc *radeon_crtc)
{ … }