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

/*
 * Copyright © 2006-2007 Intel Corporation
 *
 * 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 (including the next
 * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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:
 *	Eric Anholt <[email protected]>
 */

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

#include <drm/drm_crtc_helper.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_simple_kms_helper.h>

#include "cdv_device.h"
#include "intel_bios.h"
#include "power.h"
#include "psb_drv.h"
#include "psb_intel_drv.h"
#include "psb_intel_reg.h"


static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
{ … }

static enum drm_mode_status cdv_intel_crt_mode_valid(struct drm_connector *connector,
				struct drm_display_mode *mode)
{ … }

static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
			       struct drm_display_mode *mode,
			       struct drm_display_mode *adjusted_mode)
{ … }


/*
 * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
 *
 * \return true if CRT is connected.
 * \return false if CRT is disconnected.
 */
static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
								bool force)
{ … }

static enum drm_connector_status cdv_intel_crt_detect(
				struct drm_connector *connector, bool force)
{ … }

static void cdv_intel_crt_destroy(struct drm_connector *connector)
{ … }

static int cdv_intel_crt_get_modes(struct drm_connector *connector)
{ … }

static int cdv_intel_crt_set_property(struct drm_connector *connector,
				  struct drm_property *property,
				  uint64_t value)
{ … }

/*
 * Routines for controlling stuff on the analog port
 */

static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = …;

static const struct drm_connector_funcs cdv_intel_crt_connector_funcs = …;

static const struct drm_connector_helper_funcs
				cdv_intel_crt_connector_helper_funcs = …;

void cdv_intel_crt_init(struct drm_device *dev,
			struct psb_intel_mode_device *mode_dev)
{ … }