path: root/drivers/gpu/drm/i915/i915_drv.c

/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
 */
/*
 *
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 *
 * 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, sub license, 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
 *
 */

#include <linux/device.h>
#include <drm/drmP.h>
#include <drm/i915_drm.h>
#include "i915_drv.h"
#include "i915_trace.h"
#include "intel_drv.h"

#include <linux/console.h>
#include <linux/module.h>
#include <drm/drm_crtc_helper.h>

static struct drm_driver driver;

#define GEN_DEFAULT_PIPEOFFSETS \
	.pipe_offsets = { PIPE_A_OFFSET, PIPE_B_OFFSET, \
			  PIPE_C_OFFSET, PIPE_EDP_OFFSET }, \
	.trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \
			   TRANSCODER_C_OFFSET, TRANSCODER_EDP_OFFSET }, \
	.dpll_offsets = { DPLL_A_OFFSET, DPLL_B_OFFSET }, \
	.dpll_md_offsets = { DPLL_A_MD_OFFSET, DPLL_B_MD_OFFSET }, \
	.palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET }


static const struct intel_device_info intel_i830_info = {
	.gen = 2, .is_mobile = 1, .cursor_needs_physical = 1, .num_pipes = 2,
	.has_overlay = 1, .overlay_needs_physical = 1,
	.ring_mask = RENDER_RING,
	GEN_DEFAULT_PIPEOFFSETS,
};

static const struct intel_device_info intel_845g_info = {
	.gen = 2, .num_pipes = 1,
	.has_overlay = 1, .overlay_needs_physical = 1,
	.ring_mask = RENDER_RING,
	GEN_DEFAULT_PIPEOFFSETS,
};

static const struct intel_device_info intel_i85x_info = {
	.gen = 2, .is_i85x = 1, .is_mobile = 1, .num_pipes = 2,
	.cursor_needs_physical = 1,
	.has_overlay = 1, .overlay_needs_physical = 1,
	.has_fbc = 1,
	.ring_mask = RENDER_RING,
	GEN_DEFAULT_PIPEOFFSETS,
};

static const struct intel_device_info intel_i865g_info = {
	.gen = 2, .num_pipes = 1,
	.has_overlay = 1, .overlay_needs_physical = 1,
	.ring_mask = RENDER_RING,
	GEN_DEFAULT_PIPEOFFSETS,
};

static const struct intel_device_info intel_i915g_info = {
	.gen = 3, .is_i915g = 1, .cursor_needs_physical = 1, .num_pipes = 2,
	.has_overlay = 1, .overlay_needs_physical = 1,
	.ring_mask = RENDER_RING,
	GEN_DEFAULT_PIPEOFFSETS,
};
static const struct intel_device_info intel_i915gm_info = {
	.gen = 3, .is_mobile = 1, .num_pipes = 2,
	.cursor_needs_physical = 1,
	.has_overlay = 1, .overlay_needs_physical = 1,
	.supports_tv = 1,
	.has_fbc = 1,
	.ring_mask = RENDER_RING,
	GEN_DEFAULT_PIPEOFFSETS,
};
static const struct intel_device_info intel_i945g_info = {
	.gen = 3, .has_hotplug = 1, .cursor_needs_physical = 1, .num_pipes = 2,
	.has_overlay = 1, .overlay_needs_physical = 1,
	.ring_mask = RENDER_RING,
	GEN_DEFAULT_PIPEOFFSETS,
};
static const struct intel_device_info intel_i945gm_info = {
	.gen = 3, .is_i945gm = 1, .is_mobile = 1, .num_pipes = 2,
	.has_hotplug = 1, .cursor_needs_physical = 1,
	.has_overlay = 1, .overlay_needs_physical = 1,
	.supports_tv = 1,
	.has_fbc = 1,
	.ring_mask = RENDER_RING,
	GEN_DEFAULT_PIPEOFFSETS,
};

static