linux/drivers/gpu/drm/gma500/psb_intel_display.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright © 2006-2011 Intel Corporation
 *
 * Authors:
 *	Eric Anholt <[email protected]>
 */

#include <linux/delay.h>
#include <linux/i2c.h>

#include <drm/drm_modeset_helper.h>
#include <drm/drm_modeset_helper_vtables.h>

#include "framebuffer.h"
#include "gem.h"
#include "gma_display.h"
#include "power.h"
#include "psb_drv.h"
#include "psb_intel_drv.h"
#include "psb_intel_reg.h"

#define INTEL_LIMIT_I9XX_SDVO_DAC …
#define INTEL_LIMIT_I9XX_LVDS …

static const struct gma_limit_t psb_intel_limits[] = …;

static const struct gma_limit_t *psb_intel_limit(struct drm_crtc *crtc,
						 int refclk)
{ … }

static void psb_intel_clock(int refclk, struct gma_clock_t *clock)
{ … }

/*
 * Return the pipe currently connected to the panel fitter,
 * or -1 if the panel fitter is not present or not in use
 */
static int psb_intel_panel_fitter_pipe(struct drm_device *dev)
{ … }

static int psb_intel_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)
{ … }

/* Returns the clock of the currently programmed mode of the given pipe. */
static int psb_intel_crtc_clock_get(struct drm_device *dev,
				struct drm_crtc *crtc)
{ … }

/** Returns the currently programmed mode of the given pipe. */
struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
					     struct drm_crtc *crtc)
{ … }

const struct drm_crtc_helper_funcs psb_intel_helper_funcs = …;

const struct gma_clock_funcs psb_clock_funcs = …;

/*
 * Set the default value of cursor control and base register
 * to zero. This is a workaround for h/w defect on Oaktrail
 */
static void psb_intel_cursor_init(struct drm_device *dev,
				  struct gma_crtc *gma_crtc)
{ … }

void psb_intel_crtc_init(struct drm_device *dev, int pipe,
		     struct psb_intel_mode_device *mode_dev)
{ … }

struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
{ … }

int gma_connector_clones(struct drm_device *dev, int type_mask)
{ … }