/*
 * Copyright © 2016 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.
 *
 */

#include <linux/vga_switcheroo.h>

#include <drm/drm_drv.h>
#include <drm/i915_pciids.h>

#include "i915_drv.h"
#include "i915_pci.h"

#define PLATFORM(x) .platform = (x)
#define GEN(x) \
        .graphics_ver = (x), \
        .media_ver = (x), \
        .display.ver = (x)

#define I845_PIPE_OFFSETS \
        .pipe_offsets = { \
                [TRANSCODER_A] = PIPE_A_OFFSET, \
        }, \
        .trans_offsets = { \
                [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
        }

#define I9XX_PIPE_OFFSETS \
        .pipe_offsets = { \
                [TRANSCODER_A] = PIPE_A_OFFSET, \
                [TRANSCODER_B] = PIPE_B_OFFSET, \
        }, \
        .trans_offsets = { \
                [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
                [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
        }

#define IVB_PIPE_OFFSETS \
        .pipe_offsets = { \
                [TRANSCODER_A] = PIPE_A_OFFSET, \
                [TRANSCODER_B] = PIPE_B_OFFSET, \
                [TRANSCODER_C] = PIPE_C_OFFSET, \
        }, \
        .trans_offsets = { \
                [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
                [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
                [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
        }

#define HSW_PIPE_OFFSETS \
        .pipe_offsets = { \
                [TRANSCODER_A] = PIPE_A_OFFSET, \
                [TRANSCODER_B] = PIPE_B_OFFSET, \
                [TRANSCODER_C] = PIPE_C_OFFSET, \
                [TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
        }, \
        .trans_offsets = { \
                [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
                [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
                [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
                [TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
        }

#define CHV_PIPE_OFFSETS \
        .pipe_offsets = { \
                [TRANSCODER_A] = PIPE_A_OFFSET, \
                [TRANSCODER_B] = PIPE_B_OFFSET, \
                [TRANSCODER_C] = CHV_PIPE_C_OFFSET, \
        }, \
        .trans_offsets = { \
                [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
                [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
                [TRANSCODER_C] = CHV_TRANSCODER_C_OFFSET, \
        }

#define I845_CURSOR_OFFSETS \
        .cursor_offsets = { \
                [PIPE_A] = CURSOR_A_OFFSET, \
        }

#define I9XX_CURSOR_OFFSETS \
        .cursor_offsets = { \
                [PIPE_A] = CURSOR_A_OFFSET, \
                [PIPE_B] = CURSOR_B_OFFSET, \
        }

#define CHV_CURSOR_OFFSETS \
        .cursor_offsets = { \
                [PIPE_A] = CURSOR_A_OFFSET, \
                [PIPE_B] = CURSOR_B_OFFSET, \
                [PIPE_C] = CHV_CURSOR_C_OFFSET, \
        }

#define IVB_CURSOR_OFFSETS \
        .cursor_offsets = { \
                [PIPE_A] = CURSOR_A_OFFSET, \
                [PIPE_B] = IVB_CURSOR_B_OFFSET, \
                [PIPE_C] = IVB_CURSOR_C_OFFSET, \
        }

#define TGL_CURSOR_OFFSETS \
        .cursor_offsets = { \
                [PIPE_A] = CURSOR_A_OFFSET, \
                [PIPE_B] = IVB_CURSOR_B_OFFSET, \
                [PIPE_C] = IVB_CURSOR_C_OFFSET, \
                [PIPE_D] = TGL_CURSOR_D_OFFSET, \
        }

#define I9XX_COLORS \
        .color = { .gamma_lut_size = 256 }
#define I965_COLORS \
        .color = { .gamma_lut_size = 129, \
                   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
        }
#define ILK_COLORS \
        .color = { .gamma_lut_size = 1024 }
#define IVB_COLORS \
        .color = { .degamma_lut_size = 1024, .gamma_lut_size = 1024 }
#define CHV_COLORS \
        .color = { .degamma_lut_size = 65, .gamma_lut_size = 257, \
                   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
                   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
        }
#define GLK_COLORS \
        .color = { .degamma_lut_size = 33, .gamma_lut_size = 1024, \
                   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
                                        DRM_COLOR_LUT_EQUAL_CHANNELS, \
        }

/* Keep in gen based order, and chronological order within a gen */

#define GEN_DEFAULT_PAGE_SIZES \
        .page_sizes = I915_GTT_PAGE_SIZE_4K

#define GEN_DEFAULT_REGIONS \
        .memory_regions = REGION_SMEM | REGION_STOLEN_SMEM

#define I830_FEATURES \
        GEN(2), \
        .is_mobile = 1, \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
        .display.has_overlay = 1, \
        .display.cursor_needs_physical = 1, \
        .display.overlay_needs_physical = 1, \
        .display.has_gmch = 1, \
        .gpu_reset_clobbers_display = true, \
        .hws_needs_physical = 1, \
        .unfenced_needs_alignment = 1, \
        .platform_engine_mask = BIT(RCS0), \
        .has_snoop = true, \
        .has_coherent_ggtt = false, \
        .dma_mask_size = 32, \
        I9XX_PIPE_OFFSETS, \
        I9XX_CURSOR_OFFSETS, \
        I9XX_COLORS, \
        GEN_DEFAULT_PAGE_SIZES, \
        GEN_DEFAULT_REGIONS

#define I845_FEATURES \
        GEN(2), \
        .pipe_mask = BIT(PIPE_A), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A), \
        .display.has_overlay = 1, \
        .display.overlay_needs_physical = 1, \
        .display.has_gmch = 1, \
        .gpu_reset_clobbers_display = true, \
        .hws_needs_physical = 1, \
        .unfenced_needs_alignment = 1, \
        .platform_engine_mask = BIT(RCS0), \
        .has_snoop = true, \
        .has_coherent_ggtt = false, \
        .dma_mask_size = 32, \
        I845_PIPE_OFFSETS, \
        I845_CURSOR_OFFSETS, \
        I9XX_COLORS, \
        GEN_DEFAULT_PAGE_SIZES, \
        GEN_DEFAULT_REGIONS

static const struct intel_device_info i830_info = {
        I830_FEATURES,
        PLATFORM(INTEL_I830),
};

static const struct intel_device_info i845g_info = {
        I845_FEATURES,
        PLATFORM(INTEL_I845G),
};

static const struct intel_device_info i85x_info = {
        I830_FEATURES,
        PLATFORM(INTEL_I85X),
        .display.has_fbc = 1,
};

static const struct intel_device_info i865g_info = {
        I845_FEATURES,
        PLATFORM(INTEL_I865G),
        .display.has_fbc = 1,
};

#define GEN3_FEATURES \
        GEN(3), \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
        .display.has_gmch = 1, \
        .gpu_reset_clobbers_display = true, \
        .platform_engine_mask = BIT(RCS0), \
        .has_snoop = true, \
        .has_coherent_ggtt = true, \
        .dma_mask_size = 32, \
        I9XX_PIPE_OFFSETS, \
        I9XX_CURSOR_OFFSETS, \
        I9XX_COLORS, \
        GEN_DEFAULT_PAGE_SIZES, \
        GEN_DEFAULT_REGIONS

static const struct intel_device_info i915g_info = {
        GEN3_FEATURES,
        PLATFORM(INTEL_I915G),
        .has_coherent_ggtt = false,
        .display.cursor_needs_physical = 1,
        .display.has_overlay = 1,
        .display.overlay_needs_physical = 1,
        .hws_needs_physical = 1,
        .unfenced_needs_alignment = 1,
};

static const struct intel_device_info i915gm_info = {
        GEN3_FEATURES,
        PLATFORM(INTEL_I915GM),
        .is_mobile = 1,
        .display.cursor_needs_physical = 1,
        .display.has_overlay = 1,
        .display.overlay_needs_physical = 1,
        .display.supports_tv = 1,
        .display.has_fbc = 1,
        .hws_needs_physical = 1,
        .unfenced_needs_alignment = 1,
};

static const struct intel_device_info i945g_info = {
        GEN3_FEATURES,
        PLATFORM(INTEL_I945G),
        .display.has_hotplug = 1,
        .display.cursor_needs_physical = 1,
        .display.has_overlay = 1,
        .display.overlay_needs_physical = 1,
        .hws_needs_physical = 1,
        .unfenced_needs_alignment = 1,
};

static const struct intel_device_info i945gm_info = {
        GEN3_FEATURES,
        PLATFORM(INTEL_I945GM),
        .is_mobile = 1,
        .display.has_hotplug = 1,
        .display.cursor_needs_physical = 1,
        .display.has_overlay = 1,
        .display.overlay_needs_physical = 1,
        .display.supports_tv = 1,
        .display.has_fbc = 1,
        .hws_needs_physical = 1,
        .unfenced_needs_alignment = 1,
};

static const struct intel_device_info g33_info = {
        GEN3_FEATURES,
        PLATFORM(INTEL_G33),
        .display.has_hotplug = 1,
        .display.has_overlay = 1,
        .dma_mask_size = 36,
};

static const struct intel_device_info pnv_g_info = {
        GEN3_FEATURES,
        PLATFORM(INTEL_PINEVIEW),
        .display.has_hotplug = 1,
        .display.has_overlay = 1,
        .dma_mask_size = 36,
};

static const struct intel_device_info pnv_m_info = {
        GEN3_FEATURES,
        PLATFORM(INTEL_PINEVIEW),
        .is_mobile = 1,
        .display.has_hotplug = 1,
        .display.has_overlay = 1,
        .dma_mask_size = 36,
};

#define GEN4_FEATURES \
        GEN(4), \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
        .display.has_hotplug = 1, \
        .display.has_gmch = 1, \
        .gpu_reset_clobbers_display = true, \
        .platform_engine_mask = BIT(RCS0), \
        .has_snoop = true, \
        .has_coherent_ggtt = true, \
        .dma_mask_size = 36, \
        I9XX_PIPE_OFFSETS, \
        I9XX_CURSOR_OFFSETS, \
        I965_COLORS, \
        GEN_DEFAULT_PAGE_SIZES, \
        GEN_DEFAULT_REGIONS

static const struct intel_device_info i965g_info = {
        GEN4_FEATURES,
        PLATFORM(INTEL_I965G),
        .display.has_overlay = 1,
        .hws_needs_physical = 1,
        .has_snoop = false,
};

static const struct intel_device_info i965gm_info = {
        GEN4_FEATURES,
        PLATFORM(INTEL_I965GM),
        .is_mobile = 1,
        .display.has_fbc = 1,
        .display.has_overlay = 1,
        .display.supports_tv = 1,
        .hws_needs_physical = 1,
        .has_snoop = false,
};

static const struct intel_device_info g45_info = {
        GEN4_FEATURES,
        PLATFORM(INTEL_G45),
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0),
        .gpu_reset_clobbers_display = false,
};

static const struct intel_device_info gm45_info = {
        GEN4_FEATURES,
        PLATFORM(INTEL_GM45),
        .is_mobile = 1,
        .display.has_fbc = 1,
        .display.supports_tv = 1,
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0),
        .gpu_reset_clobbers_display = false,
};

#define GEN5_FEATURES \
        GEN(5), \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
        .display.has_hotplug = 1, \
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0), \
        .has_snoop = true, \
        .has_coherent_ggtt = true, \
        /* ilk does support rc6, but we do not implement [power] contexts */ \
        .has_rc6 = 0, \
        .dma_mask_size = 36, \
        I9XX_PIPE_OFFSETS, \
        I9XX_CURSOR_OFFSETS, \
        ILK_COLORS, \
        GEN_DEFAULT_PAGE_SIZES, \
        GEN_DEFAULT_REGIONS

static const struct intel_device_info ilk_d_info = {
        GEN5_FEATURES,
        PLATFORM(INTEL_IRONLAKE),
};

static const struct intel_device_info ilk_m_info = {
        GEN5_FEATURES,
        PLATFORM(INTEL_IRONLAKE),
        .is_mobile = 1,
        .has_rps = true,
        .display.has_fbc = 1,
};

#define GEN6_FEATURES \
        GEN(6), \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
        .display.has_hotplug = 1, \
        .display.has_fbc = 1, \
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
        .has_coherent_ggtt = true, \
        .has_llc = 1, \
        .has_rc6 = 1, \
        .has_rc6p = 1, \
        .has_rps = true, \
        .dma_mask_size = 40, \
        .ppgtt_type = INTEL_PPGTT_ALIASING, \
        .ppgtt_size = 31, \
        I9XX_PIPE_OFFSETS, \
        I9XX_CURSOR_OFFSETS, \
        ILK_COLORS, \
        GEN_DEFAULT_PAGE_SIZES, \
        GEN_DEFAULT_REGIONS

#define SNB_D_PLATFORM \
        GEN6_FEATURES, \
        PLATFORM(INTEL_SANDYBRIDGE)

static const struct intel_device_info snb_d_gt1_info = {
        SNB_D_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info snb_d_gt2_info = {
        SNB_D_PLATFORM,
        .gt = 2,
};

#define SNB_M_PLATFORM \
        GEN6_FEATURES, \
        PLATFORM(INTEL_SANDYBRIDGE), \
        .is_mobile = 1


static const struct intel_device_info snb_m_gt1_info = {
        SNB_M_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info snb_m_gt2_info = {
        SNB_M_PLATFORM,
        .gt = 2,
};

#define GEN7_FEATURES  \
        GEN(7), \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C), \
        .display.has_hotplug = 1, \
        .display.has_fbc = 1, \
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
        .has_coherent_ggtt = true, \
        .has_llc = 1, \
        .has_rc6 = 1, \
        .has_rc6p = 1, \
        .has_reset_engine = true, \
        .has_rps = true, \
        .dma_mask_size = 40, \
        .ppgtt_type = INTEL_PPGTT_ALIASING, \
        .ppgtt_size = 31, \
        IVB_PIPE_OFFSETS, \
        IVB_CURSOR_OFFSETS, \
        IVB_COLORS, \
        GEN_DEFAULT_PAGE_SIZES, \
        GEN_DEFAULT_REGIONS

#define IVB_D_PLATFORM \
        GEN7_FEATURES, \
        PLATFORM(INTEL_IVYBRIDGE), \
        .has_l3_dpf = 1

static const struct intel_device_info ivb_d_gt1_info = {
        IVB_D_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info ivb_d_gt2_info = {
        IVB_D_PLATFORM,
        .gt = 2,
};

#define IVB_M_PLATFORM \
        GEN7_FEATURES, \
        PLATFORM(INTEL_IVYBRIDGE), \
        .is_mobile = 1, \
        .has_l3_dpf = 1

static const struct intel_device_info ivb_m_gt1_info = {
        IVB_M_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info ivb_m_gt2_info = {
        IVB_M_PLATFORM,
        .gt = 2,
};

static const struct intel_device_info ivb_q_info = {
        GEN7_FEATURES,
        PLATFORM(INTEL_IVYBRIDGE),
        .gt = 2,
        .pipe_mask = 0, /* legal, last one wins */
        .cpu_transcoder_mask = 0,
        .has_l3_dpf = 1,
};

static const struct intel_device_info vlv_info = {
        PLATFORM(INTEL_VALLEYVIEW),
        GEN(7),
        .is_lp = 1,
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B),
        .has_runtime_pm = 1,
        .has_rc6 = 1,
        .has_reset_engine = true,
        .has_rps = true,
        .display.has_gmch = 1,
        .display.has_hotplug = 1,
        .dma_mask_size = 40,
        .ppgtt_type = INTEL_PPGTT_ALIASING,
        .ppgtt_size = 31,
        .has_snoop = true,
        .has_coherent_ggtt = false,
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
        .display_mmio_offset = VLV_DISPLAY_BASE,
        I9XX_PIPE_OFFSETS,
        I9XX_CURSOR_OFFSETS,
        I965_COLORS,
        GEN_DEFAULT_PAGE_SIZES,
        GEN_DEFAULT_REGIONS,
};

#define G75_FEATURES  \
        GEN7_FEATURES, \
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
                BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \
        .display.has_ddi = 1, \
        .display.has_fpga_dbg = 1, \
        .display.has_psr = 1, \
        .display.has_psr_hw_tracking = 1, \
        .display.has_dp_mst = 1, \
        .has_rc6p = 0 /* RC6p removed-by HSW */, \
        HSW_PIPE_OFFSETS, \
        .has_runtime_pm = 1

#define HSW_PLATFORM \
        G75_FEATURES, \
        PLATFORM(INTEL_HASWELL), \
        .has_l3_dpf = 1

static const struct intel_device_info hsw_gt1_info = {
        HSW_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info hsw_gt2_info = {
        HSW_PLATFORM,
        .gt = 2,
};

static const struct intel_device_info hsw_gt3_info = {
        HSW_PLATFORM,
        .gt = 3,
};

#define GEN8_FEATURES \
        G75_FEATURES, \
        GEN(8), \
        .has_logical_ring_contexts = 1, \
        .dma_mask_size = 39, \
        .ppgtt_type = INTEL_PPGTT_FULL, \
        .ppgtt_size = 48, \
        .has_64bit_reloc = 1

#define BDW_PLATFORM \
        GEN8_FEATURES, \
        PLATFORM(INTEL_BROADWELL)

static const struct intel_device_info bdw_gt1_info = {
        BDW_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info bdw_gt2_info = {
        BDW_PLATFORM,
        .gt = 2,
};

static const struct intel_device_info bdw_rsvd_info = {
        BDW_PLATFORM,
        .gt = 3,
        /* According to the device ID those devices are GT3, they were
         * previously treated as not GT3, keep it like that.
         */
};

static const struct intel_device_info bdw_gt3_info = {
        BDW_PLATFORM,
        .gt = 3,
        .platform_engine_mask =
                BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};

static const struct intel_device_info chv_info = {
        PLATFORM(INTEL_CHERRYVIEW),
        GEN(8),
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
        .display.has_hotplug = 1,
        .is_lp = 1,
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
        .has_64bit_reloc = 1,
        .has_runtime_pm = 1,
        .has_rc6 = 1,
        .has_rps = true,
        .has_logical_ring_contexts = 1,
        .display.has_gmch = 1,
        .dma_mask_size = 39,
        .ppgtt_type = INTEL_PPGTT_FULL,
        .ppgtt_size = 32,
        .has_reset_engine = 1,
        .has_snoop = true,
        .has_coherent_ggtt = false,
        .display_mmio_offset = VLV_DISPLAY_BASE,
        CHV_PIPE_OFFSETS,
        CHV_CURSOR_OFFSETS,
        CHV_COLORS,
        GEN_DEFAULT_PAGE_SIZES,
        GEN_DEFAULT_REGIONS,
};

#define GEN9_DEFAULT_PAGE_SIZES \
        .page_sizes = I915_GTT_PAGE_SIZE_4K | \
                      I915_GTT_PAGE_SIZE_64K

#define GEN9_FEATURES \
        GEN8_FEATURES, \
        GEN(9), \
        GEN9_DEFAULT_PAGE_SIZES, \
        .display.has_dmc = 1, \
        .has_gt_uc = 1, \
        .display.has_hdcp = 1, \
        .display.has_ipc = 1, \
        .dbuf.size = 896 - 4, /* 4 blocks for bypass path allocation */ \
        .dbuf.slice_mask = BIT(DBUF_S1)

#define SKL_PLATFORM \
        GEN9_FEATURES, \
        PLATFORM(INTEL_SKYLAKE)

static const struct intel_device_info skl_gt1_info = {
        SKL_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info skl_gt2_info = {
        SKL_PLATFORM,
        .gt = 2,
};

#define SKL_GT3_PLUS_PLATFORM \
        SKL_PLATFORM, \
        .platform_engine_mask = \
                BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)


static const struct intel_device_info skl_gt3_info = {
        SKL_GT3_PLUS_PLATFORM,
        .gt = 3,
};

static const struct intel_device_info skl_gt4_info = {
        SKL_GT3_PLUS_PLATFORM,
        .gt = 4,
};

#define GEN9_LP_FEATURES \
        GEN(9), \
        .is_lp = 1, \
        .dbuf.slice_mask = BIT(DBUF_S1), \
        .display.has_hotplug = 1, \
        .platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
                BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
                BIT(TRANSCODER_DSI_A) | BIT(TRANSCODER_DSI_C), \
        .has_64bit_reloc = 1, \
        .display.has_ddi = 1, \
        .display.has_fpga_dbg = 1, \
        .display.has_fbc = 1, \
        .display.has_hdcp = 1, \
        .display.has_psr = 1, \
        .display.has_psr_hw_tracking = 1, \
        .has_runtime_pm = 1, \
        .display.has_dmc = 1, \
        .has_rc6 = 1, \
        .has_rps = true, \
        .display.has_dp_mst = 1, \
        .has_logical_ring_contexts = 1, \
        .has_gt_uc = 1, \
        .dma_mask_size = 39, \
        .ppgtt_type = INTEL_PPGTT_FULL, \
        .ppgtt_size = 48, \
        .has_reset_engine = 1, \
        .has_snoop = true, \
        .has_coherent_ggtt = false, \
        .display.has_ipc = 1, \
        HSW_PIPE_OFFSETS, \
        IVB_CURSOR_OFFSETS, \
        IVB_COLORS, \
        GEN9_DEFAULT_PAGE_SIZES, \
        GEN_DEFAULT_REGIONS

static const struct intel_device_info bxt_info = {
        GEN9_LP_FEATURES,
        PLATFORM(INTEL_BROXTON),
        .dbuf.size = 512 - 4, /* 4 blocks for bypass path allocation */
};

static const struct intel_device_info glk_info = {
        GEN9_LP_FEATURES,
        PLATFORM(INTEL_GEMINILAKE),
        .display.ver = 10,
        .dbuf.size = 1024 - 4, /* 4 blocks for bypass path allocation */
        GLK_COLORS,
};

#define KBL_PLATFORM \
        GEN9_FEATURES, \
        PLATFORM(INTEL_KABYLAKE)

static const struct intel_device_info kbl_gt1_info = {
        KBL_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info kbl_gt2_info = {
        KBL_PLATFORM,
        .gt = 2,
};

static const struct intel_device_info kbl_gt3_info = {
        KBL_PLATFORM,
        .gt = 3,
        .platform_engine_mask =
                BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};

#define CFL_PLATFORM \
        GEN9_FEATURES, \
        PLATFORM(INTEL_COFFEELAKE)

static const struct intel_device_info cfl_gt1_info = {
        CFL_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info cfl_gt2_info = {
        CFL_PLATFORM,
        .gt = 2,
};

static const struct intel_device_info cfl_gt3_info = {
        CFL_PLATFORM,
        .gt = 3,
        .platform_engine_mask =
                BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
};

#define CML_PLATFORM \
        GEN9_FEATURES, \
        PLATFORM(INTEL_COMETLAKE)

static const struct intel_device_info cml_gt1_info = {
        CML_PLATFORM,
        .gt = 1,
};

static const struct intel_device_info cml_gt2_info = {
        CML_PLATFORM,
        .gt = 2,
};

#define GEN11_DEFAULT_PAGE_SIZES \
        .page_sizes = I915_GTT_PAGE_SIZE_4K | \
                      I915_GTT_PAGE_SIZE_64K | \
                      I915_GTT_PAGE_SIZE_2M

#define GEN11_FEATURES \
        GEN9_FEATURES, \
        GEN11_DEFAULT_PAGE_SIZES, \
        .abox_mask = BIT(0), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
                BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
                BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
        .pipe_offsets = { \
                [TRANSCODER_A] = PIPE_A_OFFSET, \
                [TRANSCODER_B] = PIPE_B_OFFSET, \
                [TRANSCODER_C] = PIPE_C_OFFSET, \
                [TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
                [TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
                [TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
        }, \
        .trans_offsets = { \
                [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
                [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
                [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
                [TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
                [TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
                [TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
        }, \
        GEN(11), \
        .color = { .degamma_lut_size = 33, .gamma_lut_size = 262145 }, \
        .dbuf.size = 2048, \
        .dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2), \
        .display.has_dsc = 1, \
        .has_coherent_ggtt = false, \
        .has_logical_ring_elsq = 1

static const struct intel_device_info icl_info = {
        GEN11_FEATURES,
        PLATFORM(INTEL_ICELAKE),
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
};

static const struct intel_device_info ehl_info = {
        GEN11_FEATURES,
        PLATFORM(INTEL_ELKHARTLAKE),
        .platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
        .ppgtt_size = 36,
};

static const struct intel_device_info jsl_info = {
        GEN11_FEATURES,
        PLATFORM(INTEL_JASPERLAKE),
        .platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
        .ppgtt_size = 36,
};

#define GEN12_FEATURES \
        GEN11_FEATURES, \
        GEN(12), \
        .abox_mask = GENMASK(2, 1), \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
                BIT(TRANSCODER_C) | BIT(TRANSCODER_D) | \
                BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
        .pipe_offsets = { \
                [TRANSCODER_A] = PIPE_A_OFFSET, \
                [TRANSCODER_B] = PIPE_B_OFFSET, \
                [TRANSCODER_C] = PIPE_C_OFFSET, \
                [TRANSCODER_D] = PIPE_D_OFFSET, \
                [TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
                [TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
        }, \
        .trans_offsets = { \
                [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
                [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
                [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
                [TRANSCODER_D] = TRANSCODER_D_OFFSET, \
                [TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
                [TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
        }, \
        TGL_CURSOR_OFFSETS, \
        .has_global_mocs = 1, \
        .display.has_dsb = 1

static const struct intel_device_info tgl_info = {
        GEN12_FEATURES,
        PLATFORM(INTEL_TIGERLAKE),
        .display.has_modular_fia = 1,
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
};

static const struct intel_device_info rkl_info = {
        GEN12_FEATURES,
        PLATFORM(INTEL_ROCKETLAKE),
        .abox_mask = BIT(0),
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
                BIT(TRANSCODER_C),
        .display.has_hti = 1,
        .display.has_psr_hw_tracking = 0,
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0),
};

#define DGFX_FEATURES \
        .memory_regions = REGION_SMEM | REGION_LMEM | REGION_STOLEN_LMEM, \
        .has_llc = 0, \
        .has_snoop = 1, \
        .is_dgfx = 1

static const struct intel_device_info dg1_info __maybe_unused = {
        GEN12_FEATURES,
        DGFX_FEATURES,
        .graphics_rel = 10,
        PLATFORM(INTEL_DG1),
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
        .require_force_probe = 1,
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) | BIT(VECS0) |
                BIT(VCS0) | BIT(VCS2),
        /* Wa_16011227922 */
        .ppgtt_size = 47,
};

static const struct intel_device_info adl_s_info = {
        GEN12_FEATURES,
        PLATFORM(INTEL_ALDERLAKE_S),
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
        .require_force_probe = 1,
        .display.has_hti = 1,
        .display.has_psr_hw_tracking = 0,
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
        .dma_mask_size = 39,
};

#define XE_LPD_CURSOR_OFFSETS \
        .cursor_offsets = { \
                [PIPE_A] = CURSOR_A_OFFSET, \
                [PIPE_B] = IVB_CURSOR_B_OFFSET, \
                [PIPE_C] = IVB_CURSOR_C_OFFSET, \
                [PIPE_D] = TGL_CURSOR_D_OFFSET, \
        }

#define XE_LPD_FEATURES \
        .abox_mask = GENMASK(1, 0),                                             \
        .color = { .degamma_lut_size = 0, .gamma_lut_size = 0 },                \
        .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |          \
                BIT(TRANSCODER_C) | BIT(TRANSCODER_D),                          \
        .dbuf.size = 4096,                                                      \
        .dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2) | BIT(DBUF_S3) |         \
                BIT(DBUF_S4),                                                   \
        .display.has_ddi = 1,                                                   \
        .display.has_dmc = 1,                                                   \
        .display.has_dp_mst = 1,                                                \
        .display.has_dsb = 1,                                                   \
        .display.has_dsc = 1,                                                   \
        .display.has_fbc = 1,                                                   \
        .display.has_fpga_dbg = 1,                                              \
        .display.has_hdcp = 1,                                                  \
        .display.has_hotplug = 1,                                               \
        .display.has_ipc = 1,                                                   \
        .display.has_psr = 1,                                                   \
        .display.ver = 13,                                                      \
        .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),     \
        .pipe_offsets = {                                                       \
                [TRANSCODER_A] = PIPE_A_OFFSET,                                 \
                [TRANSCODER_B] = PIPE_B_OFFSET,                                 \
                [TRANSCODER_C] = PIPE_C_OFFSET,                                 \
                [TRANSCODER_D] = PIPE_D_OFFSET,                                 \
        },                                                                      \
        .trans_offsets = {                                                      \
                [TRANSCODER_A] = TRANSCODER_A_OFFSET,                           \
                [TRANSCODER_B] = TRANSCODER_B_OFFSET,                           \
                [TRANSCODER_C] = TRANSCODER_C_OFFSET,                           \
                [TRANSCODER_D] = TRANSCODER_D_OFFSET,                           \
        },                                                                      \
        XE_LPD_CURSOR_OFFSETS

static const struct intel_device_info adl_p_info = {
        GEN12_FEATURES,
        XE_LPD_FEATURES,
        PLATFORM(INTEL_ALDERLAKE_P),
        .require_force_probe = 1,
        .display.has_cdclk_crawl = 1,
        .display.has_modular_fia = 1,
        .display.has_psr_hw_tracking = 0,
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
        .ppgtt_size = 48,
        .dma_mask_size = 39,
};

#undef GEN

#define XE_HP_PAGE_SIZES \
        .page_sizes = I915_GTT_PAGE_SIZE_4K | \
                      I915_GTT_PAGE_SIZE_64K | \
                      I915_GTT_PAGE_SIZE_2M

#define XE_HP_FEATURES \
        .graphics_ver = 12, \
        .graphics_rel = 50, \
        XE_HP_PAGE_SIZES, \
        .dma_mask_size = 46, \
        .has_64bit_reloc = 1, \
        .has_global_mocs = 1, \
        .has_gt_uc = 1, \
        .has_llc = 1, \
        .has_logical_ring_contexts = 1, \
        .has_logical_ring_elsq = 1, \
        .has_mslices = 1, \
        .has_rc6 = 1, \
        .has_reset_engine = 1, \

        .has_rps = 1, \
        .has_runtime_pm = 1, \
        .ppgtt_size = 48, \
        .ppgtt_type = INTEL_PPGTT_FULL

#define XE_HPM_FEATURES \
        .media_ver = 12, \
        .media_rel = 50

__maybe_unused
static const struct intel_device_info xehpsdv_info = {
        XE_HP_FEATURES,
        XE_HPM_FEATURES,
        DGFX_FEATURES,
        PLATFORM(INTEL_XEHPSDV),
        .display = { },
        .pipe_mask = 0,
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) |
                BIT(VECS0) | BIT(VECS1) | BIT(VECS2) | BIT(VECS3) |
                BIT(VCS0) | BIT(VCS1) | BIT(VCS2) | BIT(VCS3) |
                BIT(VCS4) | BIT(VCS5) | BIT(VCS6) | BIT(VCS7),
        .require_force_probe = 1,
};

__maybe_unused
static const struct intel_device_info dg2_info = {
        XE_HP_FEATURES,
        XE_HPM_FEATURES,
        XE_LPD_FEATURES,
        DGFX_FEATURES,
        .graphics_rel = 55,
        .media_rel = 55,
        PLATFORM(INTEL_DG2),
        .platform_engine_mask =
                BIT(RCS0) | BIT(BCS0) |
                BIT(VECS0) | BIT(VECS1) |
                BIT(VCS0) | BIT(VCS2),
        .require_force_probe = 1,
};

#undef PLATFORM

/*
 * Make sure any device matches here are from most specific to most
 * general.  For example, since the Quanta match is based on the subsystem
 * and subvendor IDs, we need it to come before the more general IVB
 * PCI ID matches, otherwise we'll use the wrong info struct above.
 */
static const struct pci_device_id pciidlist[] = {
        INTEL_I830_IDS(&i830_info),
        INTEL_I845G_IDS(&i845g_info),
        INTEL_I85X_IDS(&i85x_info),
        INTEL_I865G_IDS(&i865g_info),
        INTEL_I915G_IDS(&i915g_info),
        INTEL_I915GM_IDS(&i915gm_info),
        INTEL_I945G_IDS(&i945g_info),
        INTEL_I945GM_IDS(&i945gm_info),
        INTEL_I965G_IDS(&i965g_info),
        INTEL_G33_IDS(&g33_info),
        INTEL_I965GM_IDS(&i965gm_info),
        INTEL_GM45_IDS(&gm45_info),
        INTEL_G45_IDS(&g45_info),
        INTEL_PINEVIEW_G_IDS(&pnv_g_info),
        INTEL_PINEVIEW_M_IDS(&pnv_m_info),
        INTEL_IRONLAKE_D_IDS(&ilk_d_info),
        INTEL_IRONLAKE_M_IDS(&ilk_m_info),
        INTEL_SNB_D_GT1_IDS(&snb_d_gt1_info),
        INTEL_SNB_D_GT2_IDS(&snb_d_gt2_info),
        INTEL_SNB_M_GT1_IDS(&snb_m_gt1_info),
        INTEL_SNB_M_GT2_IDS(&snb_m_gt2_info),
        INTEL_IVB_Q_IDS(&ivb_q_info), /* must be first IVB */
        INTEL_IVB_M_GT1_IDS(&ivb_m_gt1_info),
        INTEL_IVB_M_GT2_IDS(&ivb_m_gt2_info),
        INTEL_IVB_D_GT1_IDS(&ivb_d_gt1_info),
        INTEL_IVB_D_GT2_IDS(&ivb_d_gt2_info),
        INTEL_HSW_GT1_IDS(&hsw_gt1_info),
        INTEL_HSW_GT2_IDS(&hsw_gt2_info),
        INTEL_HSW_GT3_IDS(&hsw_gt3_info),
        INTEL_VLV_IDS(&vlv_info),
        INTEL_BDW_GT1_IDS(&bdw_gt1_info),
        INTEL_BDW_GT2_IDS(&bdw_gt2_info),
        INTEL_BDW_GT3_IDS(&bdw_gt3_info),
        INTEL_BDW_RSVD_IDS(&bdw_rsvd_info),
        INTEL_CHV_IDS(&chv_info),
        INTEL_SKL_GT1_IDS(&skl_gt1_info),
        INTEL_SKL_GT2_IDS(&skl_gt2_info),
        INTEL_SKL_GT3_IDS(&skl_gt3_info),
        INTEL_SKL_GT4_IDS(&skl_gt4_info),
        INTEL_BXT_IDS(&bxt_info),
        INTEL_GLK_IDS(&glk_info),
        INTEL_KBL_GT1_IDS(&kbl_gt1_info),
        INTEL_KBL_GT2_IDS(&kbl_gt2_info),
        INTEL_KBL_GT3_IDS(&kbl_gt3_info),
        INTEL_KBL_GT4_IDS(&kbl_gt3_info),
        INTEL_AML_KBL_GT2_IDS(&kbl_gt2_info),
        INTEL_CFL_S_GT1_IDS(&cfl_gt1_info),
        INTEL_CFL_S_GT2_IDS(&cfl_gt2_info),
        INTEL_CFL_H_GT1_IDS(&cfl_gt1_info),
        INTEL_CFL_H_GT2_IDS(&cfl_gt2_info),
        INTEL_CFL_U_GT2_IDS(&cfl_gt2_info),
        INTEL_CFL_U_GT3_IDS(&cfl_gt3_info),
        INTEL_WHL_U_GT1_IDS(&cfl_gt1_info),
        INTEL_WHL_U_GT2_IDS(&cfl_gt2_info),
        INTEL_AML_CFL_GT2_IDS(&cfl_gt2_info),
        INTEL_WHL_U_GT3_IDS(&cfl_gt3_info),
        INTEL_CML_GT1_IDS(&cml_gt1_info),
        INTEL_CML_GT2_IDS(&cml_gt2_info),
        INTEL_CML_U_GT1_IDS(&cml_gt1_info),
        INTEL_CML_U_GT2_IDS(&cml_gt2_info),
        INTEL_ICL_11_IDS(&icl_info),
        INTEL_EHL_IDS(&ehl_info),
        INTEL_JSL_IDS(&jsl_info),
        INTEL_TGL_12_IDS(&tgl_info),
        INTEL_RKL_IDS(&rkl_info),
        INTEL_ADLS_IDS(&adl_s_info),
        INTEL_ADLP_IDS(&adl_p_info),
        {0, 0, 0}
};
MODULE_DEVICE_TABLE(pci, pciidlist);

static void i915_pci_remove(struct pci_dev *pdev)
{
        struct drm_i915_private *i915;

        i915 = pci_get_drvdata(pdev);
        if (!i915) /* driver load aborted, nothing to cleanup */
                return;

        i915_driver_remove(i915);
        pci_set_drvdata(pdev, NULL);
}

/* is device_id present in comma separated list of ids */
static bool force_probe(u16 device_id, const char *devices)
{
        char *s, *p, *tok;
        bool ret;

        if (!devices || !*devices)
                return false;

        /* match everything */
        if (strcmp(devices, "*") == 0)
                return true;

        s = kstrdup(devices, GFP_KERNEL);
        if (!s)
                return false;

        for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
                u16 val;

                if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
                        ret = true;
                        break;
                }
        }

        kfree(s);

        return ret;
}

static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
        struct intel_device_info *intel_info =
                (struct intel_device_info *) ent->driver_data;
        int err;

        if (intel_info->require_force_probe &&
            !force_probe(pdev->device, i915_modparams.force_probe)) {
                dev_info(&pdev->dev,
                         "Your graphics device %04x is not properly supported by the driver in this\n"
                         "kernel version. To force driver probe anyway, use i915.force_probe=%04x\n"
                         "module parameter or CONFIG_DRM_I915_FORCE_PROBE=%04x configuration option,\n"
                         "or (recommended) check for kernel updates.\n",
                         pdev->device, pdev->device, pdev->device);
                return -ENODEV;
        }

        /* Only bind to function 0 of the device. Early generations
         * used function 1 as a placeholder for multi-head. This causes
         * us confusion instead, especially on the systems where both
         * functions have the same PCI-ID!
         */
        if (PCI_FUNC(pdev->devfn))
                return -ENODEV;

        /*
         * apple-gmux is needed on dual GPU MacBook Pro
         * to probe the panel if we're the inactive GPU.
         */
        if (vga_switcheroo_client_probe_defer(pdev))
                return -EPROBE_DEFER;

        err = i915_driver_probe(pdev, ent);
        if (err)
                return err;

        if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
                i915_pci_remove(pdev);
                return -ENODEV;
        }

        err = i915_live_selftests(pdev);
        if (err) {
                i915_pci_remove(pdev);
                return err > 0 ? -ENOTTY : err;
        }

        err = i915_perf_selftests(pdev);
        if (err) {
                i915_pci_remove(pdev);
                return err > 0 ? -ENOTTY : err;
        }

        return 0;
}

static void i915_pci_shutdown(struct pci_dev *pdev)
{
        struct drm_i915_private *i915 = pci_get_drvdata(pdev);

        i915_driver_shutdown(i915);
}

static struct pci_driver i915_pci_driver = {
        .name = DRIVER_NAME,
        .id_table = pciidlist,
        .probe = i915_pci_probe,
        .remove = i915_pci_remove,
        .shutdown = i915_pci_shutdown,
        .driver.pm = &i915_pm_ops,
};

int i915_register_pci_driver(void)
{
        return pci_register_driver(&i915_pci_driver);
}

void i915_unregister_pci_driver(void)
{
        pci_unregister_driver(&i915_pci_driver);
}