1407 lines
42 KiB
C
1407 lines
42 KiB
C
/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
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*/
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/*
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*
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* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef _I915_DRV_H_
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#define _I915_DRV_H_
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#include "i915_reg.h"
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#include "intel_bios.h"
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#include "intel_ringbuffer.h"
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#include <linux/io-mapping.h>
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#include <linux/i2c.h>
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#include <drm/intel-gtt.h>
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/* General customization:
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*/
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#define DRIVER_AUTHOR "Tungsten Graphics, Inc."
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#define DRIVER_NAME "i915"
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#define DRIVER_DESC "Intel Graphics"
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#define DRIVER_DATE "20080730"
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enum pipe {
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PIPE_A = 0,
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PIPE_B,
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};
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enum plane {
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PLANE_A = 0,
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PLANE_B,
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};
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#define I915_NUM_PIPE 2
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#define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
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/* Interface history:
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*
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* 1.1: Original.
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* 1.2: Add Power Management
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* 1.3: Add vblank support
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* 1.4: Fix cmdbuffer path, add heap destroy
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* 1.5: Add vblank pipe configuration
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* 1.6: - New ioctl for scheduling buffer swaps on vertical blank
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* - Support vertical blank on secondary display pipe
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*/
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#define DRIVER_MAJOR 1
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#define DRIVER_MINOR 6
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#define DRIVER_PATCHLEVEL 0
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#define WATCH_COHERENCY 0
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#define WATCH_EXEC 0
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#define WATCH_RELOC 0
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#define WATCH_LISTS 0
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#define WATCH_PWRITE 0
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#define I915_GEM_PHYS_CURSOR_0 1
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#define I915_GEM_PHYS_CURSOR_1 2
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#define I915_GEM_PHYS_OVERLAY_REGS 3
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#define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)
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struct drm_i915_gem_phys_object {
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int id;
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struct page **page_list;
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drm_dma_handle_t *handle;
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struct drm_i915_gem_object *cur_obj;
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};
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struct mem_block {
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struct mem_block *next;
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struct mem_block *prev;
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int start;
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int size;
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struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
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};
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struct opregion_header;
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struct opregion_acpi;
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struct opregion_swsci;
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struct opregion_asle;
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struct intel_opregion {
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struct opregion_header *header;
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struct opregion_acpi *acpi;
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struct opregion_swsci *swsci;
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struct opregion_asle *asle;
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void *vbt;
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};
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#define OPREGION_SIZE (8*1024)
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struct intel_overlay;
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struct intel_overlay_error_state;
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struct drm_i915_master_private {
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drm_local_map_t *sarea;
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struct _drm_i915_sarea *sarea_priv;
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};
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#define I915_FENCE_REG_NONE -1
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struct drm_i915_fence_reg {
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struct list_head lru_list;
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struct drm_i915_gem_object *obj;
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uint32_t setup_seqno;
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};
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struct sdvo_device_mapping {
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u8 initialized;
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u8 dvo_port;
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u8 slave_addr;
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u8 dvo_wiring;
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u8 i2c_pin;
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u8 i2c_speed;
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u8 ddc_pin;
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};
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struct intel_display_error_state;
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struct drm_i915_error_state {
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u32 eir;
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u32 pgtbl_er;
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u32 pipeastat;
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u32 pipebstat;
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u32 ipeir;
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u32 ipehr;
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u32 instdone;
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u32 acthd;
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u32 error; /* gen6+ */
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u32 bcs_acthd; /* gen6+ blt engine */
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u32 bcs_ipehr;
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u32 bcs_ipeir;
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u32 bcs_instdone;
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u32 bcs_seqno;
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u32 vcs_acthd; /* gen6+ bsd engine */
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u32 vcs_ipehr;
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u32 vcs_ipeir;
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u32 vcs_instdone;
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u32 vcs_seqno;
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u32 instpm;
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u32 instps;
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u32 instdone1;
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u32 seqno;
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u64 bbaddr;
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u64 fence[16];
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struct timeval time;
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struct drm_i915_error_object {
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int page_count;
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u32 gtt_offset;
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u32 *pages[0];
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} *ringbuffer, *batchbuffer[I915_NUM_RINGS];
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struct drm_i915_error_buffer {
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size_t size;
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u32 name;
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u32 seqno;
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u32 gtt_offset;
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u32 read_domains;
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u32 write_domain;
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u32 fence_reg;
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s32 pinned:2;
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u32 tiling:2;
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u32 dirty:1;
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u32 purgeable:1;
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u32 ring:4;
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} *active_bo, *pinned_bo;
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u32 active_bo_count, pinned_bo_count;
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struct intel_overlay_error_state *overlay;
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struct intel_display_error_state *display;
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};
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struct drm_i915_display_funcs {
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void (*dpms)(struct drm_crtc *crtc, int mode);
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bool (*fbc_enabled)(struct drm_device *dev);
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void (*enable_fbc)(struct drm_crtc *crtc, unsigned long interval);
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void (*disable_fbc)(struct drm_device *dev);
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int (*get_display_clock_speed)(struct drm_device *dev);
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int (*get_fifo_size)(struct drm_device *dev, int plane);
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void (*update_wm)(struct drm_device *dev, int planea_clock,
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int planeb_clock, int sr_hdisplay, int sr_htotal,
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int pixel_size);
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/* clock updates for mode set */
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/* cursor updates */
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/* render clock increase/decrease */
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/* display clock increase/decrease */
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/* pll clock increase/decrease */
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/* clock gating init */
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};
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struct intel_device_info {
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u8 gen;
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u8 is_mobile : 1;
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u8 is_i85x : 1;
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u8 is_i915g : 1;
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u8 is_i945gm : 1;
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u8 is_g33 : 1;
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u8 need_gfx_hws : 1;
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u8 is_g4x : 1;
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u8 is_pineview : 1;
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u8 is_broadwater : 1;
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u8 is_crestline : 1;
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u8 has_fbc : 1;
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u8 has_pipe_cxsr : 1;
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u8 has_hotplug : 1;
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u8 cursor_needs_physical : 1;
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u8 has_overlay : 1;
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u8 overlay_needs_physical : 1;
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u8 supports_tv : 1;
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u8 has_bsd_ring : 1;
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u8 has_blt_ring : 1;
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};
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enum no_fbc_reason {
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FBC_NO_OUTPUT, /* no outputs enabled to compress */
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FBC_STOLEN_TOO_SMALL, /* not enough space to hold compressed buffers */
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FBC_UNSUPPORTED_MODE, /* interlace or doublescanned mode */
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FBC_MODE_TOO_LARGE, /* mode too large for compression */
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FBC_BAD_PLANE, /* fbc not supported on plane */
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FBC_NOT_TILED, /* buffer not tiled */
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FBC_MULTIPLE_PIPES, /* more than one pipe active */
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};
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enum intel_pch {
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PCH_IBX, /* Ibexpeak PCH */
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PCH_CPT, /* Cougarpoint PCH */
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};
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#define QUIRK_PIPEA_FORCE (1<<0)
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struct intel_fbdev;
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typedef struct drm_i915_private {
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struct drm_device *dev;
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const struct intel_device_info *info;
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int has_gem;
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int relative_constants_mode;
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void __iomem *regs;
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struct intel_gmbus {
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struct i2c_adapter adapter;
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struct i2c_adapter *force_bit;
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u32 reg0;
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} *gmbus;
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struct pci_dev *bridge_dev;
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struct intel_ring_buffer ring[I915_NUM_RINGS];
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uint32_t next_seqno;
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drm_dma_handle_t *status_page_dmah;
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dma_addr_t dma_status_page;
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uint32_t counter;
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drm_local_map_t hws_map;
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struct drm_i915_gem_object *pwrctx;
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struct drm_i915_gem_object *renderctx;
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struct resource mch_res;
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unsigned int cpp;
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int back_offset;
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int front_offset;
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int current_page;
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int page_flipping;
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atomic_t irq_received;
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u32 trace_irq_seqno;
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/* protects the irq masks */
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spinlock_t irq_lock;
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/** Cached value of IMR to avoid reads in updating the bitfield */
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u32 pipestat[2];
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u32 irq_mask;
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u32 gt_irq_mask;
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u32 pch_irq_mask;
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u32 hotplug_supported_mask;
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struct work_struct hotplug_work;
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int tex_lru_log_granularity;
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int allow_batchbuffer;
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struct mem_block *agp_heap;
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unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
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int vblank_pipe;
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int num_pipe;
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/* For hangcheck timer */
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#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
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struct timer_list hangcheck_timer;
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int hangcheck_count;
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uint32_t last_acthd;
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uint32_t last_instdone;
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uint32_t last_instdone1;
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unsigned long cfb_size;
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unsigned long cfb_pitch;
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unsigned long cfb_offset;
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int cfb_fence;
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int cfb_plane;
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int cfb_y;
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int irq_enabled;
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struct intel_opregion opregion;
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/* overlay */
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struct intel_overlay *overlay;
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/* LVDS info */
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int backlight_level; /* restore backlight to this value */
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bool backlight_enabled;
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struct drm_display_mode *panel_fixed_mode;
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struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
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struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
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/* Feature bits from the VBIOS */
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unsigned int int_tv_support:1;
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unsigned int lvds_dither:1;
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unsigned int lvds_vbt:1;
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unsigned int int_crt_support:1;
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unsigned int lvds_use_ssc:1;
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int lvds_ssc_freq;
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struct {
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int rate;
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int lanes;
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int preemphasis;
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int vswing;
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bool initialized;
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bool support;
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int bpp;
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struct edp_power_seq pps;
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} edp;
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bool no_aux_handshake;
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struct notifier_block lid_notifier;
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int crt_ddc_pin;
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struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */
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int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
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int num_fence_regs; /* 8 on pre-965, 16 otherwise */
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unsigned int fsb_freq, mem_freq, is_ddr3;
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spinlock_t error_lock;
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struct drm_i915_error_state *first_error;
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struct work_struct error_work;
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struct completion error_completion;
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struct workqueue_struct *wq;
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/* Display functions */
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struct drm_i915_display_funcs display;
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/* PCH chipset type */
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enum intel_pch pch_type;
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unsigned long quirks;
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/* Register state */
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bool modeset_on_lid;
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u8 saveLBB;
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u32 saveDSPACNTR;
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u32 saveDSPBCNTR;
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u32 saveDSPARB;
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u32 saveHWS;
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u32 savePIPEACONF;
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u32 savePIPEBCONF;
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u32 savePIPEASRC;
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u32 savePIPEBSRC;
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u32 saveFPA0;
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u32 saveFPA1;
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u32 saveDPLL_A;
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u32 saveDPLL_A_MD;
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u32 saveHTOTAL_A;
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u32 saveHBLANK_A;
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u32 saveHSYNC_A;
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u32 saveVTOTAL_A;
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u32 saveVBLANK_A;
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u32 saveVSYNC_A;
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u32 saveBCLRPAT_A;
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u32 saveTRANSACONF;
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u32 saveTRANS_HTOTAL_A;
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u32 saveTRANS_HBLANK_A;
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u32 saveTRANS_HSYNC_A;
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u32 saveTRANS_VTOTAL_A;
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u32 saveTRANS_VBLANK_A;
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u32 saveTRANS_VSYNC_A;
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u32 savePIPEASTAT;
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u32 saveDSPASTRIDE;
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u32 saveDSPASIZE;
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u32 saveDSPAPOS;
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u32 saveDSPAADDR;
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u32 saveDSPASURF;
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u32 saveDSPATILEOFF;
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u32 savePFIT_PGM_RATIOS;
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u32 saveBLC_HIST_CTL;
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u32 saveBLC_PWM_CTL;
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u32 saveBLC_PWM_CTL2;
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u32 saveBLC_CPU_PWM_CTL;
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u32 saveBLC_CPU_PWM_CTL2;
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u32 saveFPB0;
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u32 saveFPB1;
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u32 saveDPLL_B;
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u32 saveDPLL_B_MD;
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u32 saveHTOTAL_B;
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u32 saveHBLANK_B;
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u32 saveHSYNC_B;
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u32 saveVTOTAL_B;
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u32 saveVBLANK_B;
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u32 saveVSYNC_B;
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u32 saveBCLRPAT_B;
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u32 saveTRANSBCONF;
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u32 saveTRANS_HTOTAL_B;
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u32 saveTRANS_HBLANK_B;
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u32 saveTRANS_HSYNC_B;
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u32 saveTRANS_VTOTAL_B;
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u32 saveTRANS_VBLANK_B;
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u32 saveTRANS_VSYNC_B;
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u32 savePIPEBSTAT;
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u32 saveDSPBSTRIDE;
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u32 saveDSPBSIZE;
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u32 saveDSPBPOS;
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u32 saveDSPBADDR;
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u32 saveDSPBSURF;
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u32 saveDSPBTILEOFF;
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u32 saveVGA0;
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u32 saveVGA1;
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u32 saveVGA_PD;
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u32 saveVGACNTRL;
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u32 saveADPA;
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u32 saveLVDS;
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u32 savePP_ON_DELAYS;
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u32 savePP_OFF_DELAYS;
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u32 saveDVOA;
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u32 saveDVOB;
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u32 saveDVOC;
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u32 savePP_ON;
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u32 savePP_OFF;
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u32 savePP_CONTROL;
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u32 savePP_DIVISOR;
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u32 savePFIT_CONTROL;
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u32 save_palette_a[256];
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u32 save_palette_b[256];
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u32 saveDPFC_CB_BASE;
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u32 saveFBC_CFB_BASE;
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u32 saveFBC_LL_BASE;
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u32 saveFBC_CONTROL;
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u32 saveFBC_CONTROL2;
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u32 saveIER;
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u32 saveIIR;
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u32 saveIMR;
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u32 saveDEIER;
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u32 saveDEIMR;
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u32 saveGTIER;
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u32 saveGTIMR;
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u32 saveFDI_RXA_IMR;
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u32 saveFDI_RXB_IMR;
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u32 saveCACHE_MODE_0;
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u32 saveMI_ARB_STATE;
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u32 saveSWF0[16];
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u32 saveSWF1[16];
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u32 saveSWF2[3];
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u8 saveMSR;
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u8 saveSR[8];
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u8 saveGR[25];
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u8 saveAR_INDEX;
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u8 saveAR[21];
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u8 saveDACMASK;
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u8 saveCR[37];
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uint64_t saveFENCE[16];
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u32 saveCURACNTR;
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u32 saveCURAPOS;
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u32 saveCURABASE;
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u32 saveCURBCNTR;
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u32 saveCURBPOS;
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u32 saveCURBBASE;
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u32 saveCURSIZE;
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u32 saveDP_B;
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u32 saveDP_C;
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u32 saveDP_D;
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u32 savePIPEA_GMCH_DATA_M;
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u32 savePIPEB_GMCH_DATA_M;
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u32 savePIPEA_GMCH_DATA_N;
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u32 savePIPEB_GMCH_DATA_N;
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u32 savePIPEA_DP_LINK_M;
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u32 savePIPEB_DP_LINK_M;
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u32 savePIPEA_DP_LINK_N;
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u32 savePIPEB_DP_LINK_N;
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u32 saveFDI_RXA_CTL;
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u32 saveFDI_TXA_CTL;
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u32 saveFDI_RXB_CTL;
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u32 saveFDI_TXB_CTL;
|
|
u32 savePFA_CTL_1;
|
|
u32 savePFB_CTL_1;
|
|
u32 savePFA_WIN_SZ;
|
|
u32 savePFB_WIN_SZ;
|
|
u32 savePFA_WIN_POS;
|
|
u32 savePFB_WIN_POS;
|
|
u32 savePCH_DREF_CONTROL;
|
|
u32 saveDISP_ARB_CTL;
|
|
u32 savePIPEA_DATA_M1;
|
|
u32 savePIPEA_DATA_N1;
|
|
u32 savePIPEA_LINK_M1;
|
|
u32 savePIPEA_LINK_N1;
|
|
u32 savePIPEB_DATA_M1;
|
|
u32 savePIPEB_DATA_N1;
|
|
u32 savePIPEB_LINK_M1;
|
|
u32 savePIPEB_LINK_N1;
|
|
u32 saveMCHBAR_RENDER_STANDBY;
|
|
|
|
struct {
|
|
/** Bridge to intel-gtt-ko */
|
|
const struct intel_gtt *gtt;
|
|
/** Memory allocator for GTT stolen memory */
|
|
struct drm_mm stolen;
|
|
/** Memory allocator for GTT */
|
|
struct drm_mm gtt_space;
|
|
/** List of all objects in gtt_space. Used to restore gtt
|
|
* mappings on resume */
|
|
struct list_head gtt_list;
|
|
/** End of mappable part of GTT */
|
|
unsigned long gtt_mappable_end;
|
|
|
|
struct io_mapping *gtt_mapping;
|
|
int gtt_mtrr;
|
|
|
|
struct shrinker inactive_shrinker;
|
|
|
|
/**
|
|
* List of objects currently involved in rendering.
|
|
*
|
|
* Includes buffers having the contents of their GPU caches
|
|
* flushed, not necessarily primitives. last_rendering_seqno
|
|
* represents when the rendering involved will be completed.
|
|
*
|
|
* A reference is held on the buffer while on this list.
|
|
*/
|
|
struct list_head active_list;
|
|
|
|
/**
|
|
* List of objects which are not in the ringbuffer but which
|
|
* still have a write_domain which needs to be flushed before
|
|
* unbinding.
|
|
*
|
|
* last_rendering_seqno is 0 while an object is in this list.
|
|
*
|
|
* A reference is held on the buffer while on this list.
|
|
*/
|
|
struct list_head flushing_list;
|
|
|
|
/**
|
|
* LRU list of objects which are not in the ringbuffer and
|
|
* are ready to unbind, but are still in the GTT.
|
|
*
|
|
* last_rendering_seqno is 0 while an object is in this list.
|
|
*
|
|
* A reference is not held on the buffer while on this list,
|
|
* as merely being GTT-bound shouldn't prevent its being
|
|
* freed, and we'll pull it off the list in the free path.
|
|
*/
|
|
struct list_head inactive_list;
|
|
|
|
/**
|
|
* LRU list of objects which are not in the ringbuffer but
|
|
* are still pinned in the GTT.
|
|
*/
|
|
struct list_head pinned_list;
|
|
|
|
/** LRU list of objects with fence regs on them. */
|
|
struct list_head fence_list;
|
|
|
|
/**
|
|
* List of objects currently pending being freed.
|
|
*
|
|
* These objects are no longer in use, but due to a signal
|
|
* we were prevented from freeing them at the appointed time.
|
|
*/
|
|
struct list_head deferred_free_list;
|
|
|
|
/**
|
|
* We leave the user IRQ off as much as possible,
|
|
* but this means that requests will finish and never
|
|
* be retired once the system goes idle. Set a timer to
|
|
* fire periodically while the ring is running. When it
|
|
* fires, go retire requests.
|
|
*/
|
|
struct delayed_work retire_work;
|
|
|
|
/**
|
|
* Flag if the X Server, and thus DRM, is not currently in
|
|
* control of the device.
|
|
*
|
|
* This is set between LeaveVT and EnterVT. It needs to be
|
|
* replaced with a semaphore. It also needs to be
|
|
* transitioned away from for kernel modesetting.
|
|
*/
|
|
int suspended;
|
|
|
|
/**
|
|
* Flag if the hardware appears to be wedged.
|
|
*
|
|
* This is set when attempts to idle the device timeout.
|
|
* It prevents command submission from occuring and makes
|
|
* every pending request fail
|
|
*/
|
|
atomic_t wedged;
|
|
|
|
/** Bit 6 swizzling required for X tiling */
|
|
uint32_t bit_6_swizzle_x;
|
|
/** Bit 6 swizzling required for Y tiling */
|
|
uint32_t bit_6_swizzle_y;
|
|
|
|
/* storage for physical objects */
|
|
struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
|
|
|
|
/* accounting, useful for userland debugging */
|
|
size_t gtt_total;
|
|
size_t mappable_gtt_total;
|
|
size_t object_memory;
|
|
u32 object_count;
|
|
} mm;
|
|
struct sdvo_device_mapping sdvo_mappings[2];
|
|
/* indicate whether the LVDS_BORDER should be enabled or not */
|
|
unsigned int lvds_border_bits;
|
|
/* Panel fitter placement and size for Ironlake+ */
|
|
u32 pch_pf_pos, pch_pf_size;
|
|
|
|
struct drm_crtc *plane_to_crtc_mapping[2];
|
|
struct drm_crtc *pipe_to_crtc_mapping[2];
|
|
wait_queue_head_t pending_flip_queue;
|
|
bool flip_pending_is_done;
|
|
|
|
/* Reclocking support */
|
|
bool render_reclock_avail;
|
|
bool lvds_downclock_avail;
|
|
/* indicates the reduced downclock for LVDS*/
|
|
int lvds_downclock;
|
|
struct work_struct idle_work;
|
|
struct timer_list idle_timer;
|
|
bool busy;
|
|
u16 orig_clock;
|
|
int child_dev_num;
|
|
struct child_device_config *child_dev;
|
|
struct drm_connector *int_lvds_connector;
|
|
|
|
bool mchbar_need_disable;
|
|
|
|
u8 cur_delay;
|
|
u8 min_delay;
|
|
u8 max_delay;
|
|
u8 fmax;
|
|
u8 fstart;
|
|
|
|
u64 last_count1;
|
|
unsigned long last_time1;
|
|
u64 last_count2;
|
|
struct timespec last_time2;
|
|
unsigned long gfx_power;
|
|
int c_m;
|
|
int r_t;
|
|
u8 corr;
|
|
spinlock_t *mchdev_lock;
|
|
|
|
enum no_fbc_reason no_fbc_reason;
|
|
|
|
struct drm_mm_node *compressed_fb;
|
|
struct drm_mm_node *compressed_llb;
|
|
|
|
unsigned long last_gpu_reset;
|
|
|
|
/* list of fbdev register on this device */
|
|
struct intel_fbdev *fbdev;
|
|
} drm_i915_private_t;
|
|
|
|
struct drm_i915_gem_object {
|
|
struct drm_gem_object base;
|
|
|
|
/** Current space allocated to this object in the GTT, if any. */
|
|
struct drm_mm_node *gtt_space;
|
|
struct list_head gtt_list;
|
|
|
|
/** This object's place on the active/flushing/inactive lists */
|
|
struct list_head ring_list;
|
|
struct list_head mm_list;
|
|
/** This object's place on GPU write list */
|
|
struct list_head gpu_write_list;
|
|
/** This object's place in the batchbuffer or on the eviction list */
|
|
struct list_head exec_list;
|
|
|
|
/**
|
|
* This is set if the object is on the active or flushing lists
|
|
* (has pending rendering), and is not set if it's on inactive (ready
|
|
* to be unbound).
|
|
*/
|
|
unsigned int active : 1;
|
|
|
|
/**
|
|
* This is set if the object has been written to since last bound
|
|
* to the GTT
|
|
*/
|
|
unsigned int dirty : 1;
|
|
|
|
/**
|
|
* This is set if the object has been written to since the last
|
|
* GPU flush.
|
|
*/
|
|
unsigned int pending_gpu_write : 1;
|
|
|
|
/**
|
|
* Fence register bits (if any) for this object. Will be set
|
|
* as needed when mapped into the GTT.
|
|
* Protected by dev->struct_mutex.
|
|
*
|
|
* Size: 4 bits for 16 fences + sign (for FENCE_REG_NONE)
|
|
*/
|
|
signed int fence_reg : 5;
|
|
|
|
/**
|
|
* Advice: are the backing pages purgeable?
|
|
*/
|
|
unsigned int madv : 2;
|
|
|
|
/**
|
|
* Current tiling mode for the object.
|
|
*/
|
|
unsigned int tiling_mode : 2;
|
|
unsigned int tiling_changed : 1;
|
|
|
|
/** How many users have pinned this object in GTT space. The following
|
|
* users can each hold at most one reference: pwrite/pread, pin_ioctl
|
|
* (via user_pin_count), execbuffer (objects are not allowed multiple
|
|
* times for the same batchbuffer), and the framebuffer code. When
|
|
* switching/pageflipping, the framebuffer code has at most two buffers
|
|
* pinned per crtc.
|
|
*
|
|
* In the worst case this is 1 + 1 + 1 + 2*2 = 7. That would fit into 3
|
|
* bits with absolutely no headroom. So use 4 bits. */
|
|
unsigned int pin_count : 4;
|
|
#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
|
|
|
|
/**
|
|
* Is the object at the current location in the gtt mappable and
|
|
* fenceable? Used to avoid costly recalculations.
|
|
*/
|
|
unsigned int map_and_fenceable : 1;
|
|
|
|
/**
|
|
* Whether the current gtt mapping needs to be mappable (and isn't just
|
|
* mappable by accident). Track pin and fault separate for a more
|
|
* accurate mappable working set.
|
|
*/
|
|
unsigned int fault_mappable : 1;
|
|
unsigned int pin_mappable : 1;
|
|
|
|
/*
|
|
* Is the GPU currently using a fence to access this buffer,
|
|
*/
|
|
unsigned int pending_fenced_gpu_access:1;
|
|
unsigned int fenced_gpu_access:1;
|
|
|
|
struct page **pages;
|
|
|
|
/**
|
|
* DMAR support
|
|
*/
|
|
struct scatterlist *sg_list;
|
|
int num_sg;
|
|
|
|
/**
|
|
* Used for performing relocations during execbuffer insertion.
|
|
*/
|
|
struct hlist_node exec_node;
|
|
unsigned long exec_handle;
|
|
|
|
/**
|
|
* Current offset of the object in GTT space.
|
|
*
|
|
* This is the same as gtt_space->start
|
|
*/
|
|
uint32_t gtt_offset;
|
|
|
|
/** Breadcrumb of last rendering to the buffer. */
|
|
uint32_t last_rendering_seqno;
|
|
struct intel_ring_buffer *ring;
|
|
|
|
/** Breadcrumb of last fenced GPU access to the buffer. */
|
|
uint32_t last_fenced_seqno;
|
|
struct intel_ring_buffer *last_fenced_ring;
|
|
|
|
/** Current tiling stride for the object, if it's tiled. */
|
|
uint32_t stride;
|
|
|
|
/** Record of address bit 17 of each page at last unbind. */
|
|
unsigned long *bit_17;
|
|
|
|
/** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */
|
|
uint32_t agp_type;
|
|
|
|
/**
|
|
* If present, while GEM_DOMAIN_CPU is in the read domain this array
|
|
* flags which individual pages are valid.
|
|
*/
|
|
uint8_t *page_cpu_valid;
|
|
|
|
/** User space pin count and filp owning the pin */
|
|
uint32_t user_pin_count;
|
|
struct drm_file *pin_filp;
|
|
|
|
/** for phy allocated objects */
|
|
struct drm_i915_gem_phys_object *phys_obj;
|
|
|
|
/**
|
|
* Number of crtcs where this object is currently the fb, but
|
|
* will be page flipped away on the next vblank. When it
|
|
* reaches 0, dev_priv->pending_flip_queue will be woken up.
|
|
*/
|
|
atomic_t pending_flip;
|
|
};
|
|
|
|
#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
|
|
|
|
/**
|
|
* Request queue structure.
|
|
*
|
|
* The request queue allows us to note sequence numbers that have been emitted
|
|
* and may be associated with active buffers to be retired.
|
|
*
|
|
* By keeping this list, we can avoid having to do questionable
|
|
* sequence-number comparisons on buffer last_rendering_seqnos, and associate
|
|
* an emission time with seqnos for tracking how far ahead of the GPU we are.
|
|
*/
|
|
struct drm_i915_gem_request {
|
|
/** On Which ring this request was generated */
|
|
struct intel_ring_buffer *ring;
|
|
|
|
/** GEM sequence number associated with this request. */
|
|
uint32_t seqno;
|
|
|
|
/** Time at which this request was emitted, in jiffies. */
|
|
unsigned long emitted_jiffies;
|
|
|
|
/** global list entry for this request */
|
|
struct list_head list;
|
|
|
|
struct drm_i915_file_private *file_priv;
|
|
/** file_priv list entry for this request */
|
|
struct list_head client_list;
|
|
};
|
|
|
|
struct drm_i915_file_private {
|
|
struct {
|
|
struct spinlock lock;
|
|
struct list_head request_list;
|
|
} mm;
|
|
};
|
|
|
|
enum intel_chip_family {
|
|
CHIP_I8XX = 0x01,
|
|
CHIP_I9XX = 0x02,
|
|
CHIP_I915 = 0x04,
|
|
CHIP_I965 = 0x08,
|
|
};
|
|
|
|
#define INTEL_INFO(dev) (((struct drm_i915_private *) (dev)->dev_private)->info)
|
|
|
|
#define IS_I830(dev) ((dev)->pci_device == 0x3577)
|
|
#define IS_845G(dev) ((dev)->pci_device == 0x2562)
|
|
#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
|
|
#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
|
|
#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
|
|
#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
|
|
#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
|
|
#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
|
|
#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
|
|
#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
|
|
#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
|
|
#define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
|
|
#define IS_PINEVIEW_G(dev) ((dev)->pci_device == 0xa001)
|
|
#define IS_PINEVIEW_M(dev) ((dev)->pci_device == 0xa011)
|
|
#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
|
|
#define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
|
|
#define IS_IRONLAKE_D(dev) ((dev)->pci_device == 0x0042)
|
|
#define IS_IRONLAKE_M(dev) ((dev)->pci_device == 0x0046)
|
|
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
|
|
|
|
#define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2)
|
|
#define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3)
|
|
#define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4)
|
|
#define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5)
|
|
#define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6)
|
|
|
|
#define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring)
|
|
#define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring)
|
|
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
|
|
|
|
#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
|
|
#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
|
|
|
|
/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
|
|
* rows, which changed the alignment requirements and fence programming.
|
|
*/
|
|
#define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \
|
|
IS_I915GM(dev)))
|
|
#define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev))
|
|
#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev))
|
|
#define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev))
|
|
#define SUPPORTS_EDP(dev) (IS_IRONLAKE_M(dev))
|
|
#define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv)
|
|
#define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug)
|
|
/* dsparb controlled by hw only */
|
|
#define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IRONLAKE(dev))
|
|
|
|
#define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2)
|
|
#define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr)
|
|
#define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
|
|
|
|
#define HAS_PCH_SPLIT(dev) (IS_GEN5(dev) || IS_GEN6(dev))
|
|
#define HAS_PIPE_CONTROL(dev) (IS_GEN5(dev) || IS_GEN6(dev))
|
|
|
|
#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
|
|
#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
|
|
#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
|
|
|
|
#include "i915_trace.h"
|
|
|
|
extern struct drm_ioctl_desc i915_ioctls[];
|
|
extern int i915_max_ioctl;
|
|
extern unsigned int i915_fbpercrtc;
|
|
extern unsigned int i915_powersave;
|
|
extern unsigned int i915_lvds_downclock;
|
|
|
|
extern int i915_suspend(struct drm_device *dev, pm_message_t state);
|
|
extern int i915_resume(struct drm_device *dev);
|
|
extern void i915_save_display(struct drm_device *dev);
|
|
extern void i915_restore_display(struct drm_device *dev);
|
|
extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
|
|
extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
|
|
|
|
/* i915_dma.c */
|
|
extern void i915_kernel_lost_context(struct drm_device * dev);
|
|
extern int i915_driver_load(struct drm_device *, unsigned long flags);
|
|
extern int i915_driver_unload(struct drm_device *);
|
|
extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
|
|
extern void i915_driver_lastclose(struct drm_device * dev);
|
|
extern void i915_driver_preclose(struct drm_device *dev,
|
|
struct drm_file *file_priv);
|
|
extern void i915_driver_postclose(struct drm_device *dev,
|
|
struct drm_file *file_priv);
|
|
extern int i915_driver_device_is_agp(struct drm_device * dev);
|
|
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
|
|
unsigned long arg);
|
|
extern int i915_emit_box(struct drm_device *dev,
|
|
struct drm_clip_rect *box,
|
|
int DR1, int DR4);
|
|
extern int i915_reset(struct drm_device *dev, u8 flags);
|
|
extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv);
|
|
extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv);
|
|
extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);
|
|
extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
|
|
|
|
|
|
/* i915_irq.c */
|
|
void i915_hangcheck_elapsed(unsigned long data);
|
|
void i915_handle_error(struct drm_device *dev, bool wedged);
|
|
extern int i915_irq_emit(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int i915_irq_wait(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
void i915_trace_irq_get(struct drm_device *dev, u32 seqno);
|
|
extern void i915_enable_interrupt (struct drm_device *dev);
|
|
|
|
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
|
|
extern void i915_driver_irq_preinstall(struct drm_device * dev);
|
|
extern int i915_driver_irq_postinstall(struct drm_device *dev);
|
|
extern void i915_driver_irq_uninstall(struct drm_device * dev);
|
|
extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int i915_enable_vblank(struct drm_device *dev, int crtc);
|
|
extern void i915_disable_vblank(struct drm_device *dev, int crtc);
|
|
extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
|
|
extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
|
|
extern int i915_vblank_swap(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
|
|
void
|
|
i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
|
|
|
|
void
|
|
i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
|
|
|
|
void intel_enable_asle (struct drm_device *dev);
|
|
int i915_get_vblank_timestamp(struct drm_device *dev, int crtc,
|
|
int *max_error,
|
|
struct timeval *vblank_time,
|
|
unsigned flags);
|
|
|
|
int i915_get_crtc_scanoutpos(struct drm_device *dev, int pipe,
|
|
int *vpos, int *hpos);
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
extern void i915_destroy_error_state(struct drm_device *dev);
|
|
#else
|
|
#define i915_destroy_error_state(x)
|
|
#endif
|
|
|
|
|
|
/* i915_mem.c */
|
|
extern int i915_mem_alloc(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int i915_mem_free(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int i915_mem_init_heap(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
extern void i915_mem_takedown(struct mem_block **heap);
|
|
extern void i915_mem_release(struct drm_device * dev,
|
|
struct drm_file *file_priv, struct mem_block *heap);
|
|
/* i915_gem.c */
|
|
int i915_gem_check_is_wedged(struct drm_device *dev);
|
|
int i915_gem_init_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_create_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_execbuffer(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_execbuffer2(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_set_tiling(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_get_tiling(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv);
|
|
void i915_gem_load(struct drm_device *dev);
|
|
int i915_gem_init_object(struct drm_gem_object *obj);
|
|
int __must_check i915_gem_flush_ring(struct drm_device *dev,
|
|
struct intel_ring_buffer *ring,
|
|
uint32_t invalidate_domains,
|
|
uint32_t flush_domains);
|
|
struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
|
|
size_t size);
|
|
void i915_gem_free_object(struct drm_gem_object *obj);
|
|
int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj,
|
|
uint32_t alignment,
|
|
bool map_and_fenceable);
|
|
void i915_gem_object_unpin(struct drm_i915_gem_object *obj);
|
|
int __must_check i915_gem_object_unbind(struct drm_i915_gem_object *obj);
|
|
void i915_gem_release_mmap(struct drm_i915_gem_object *obj);
|
|
void i915_gem_lastclose(struct drm_device *dev);
|
|
|
|
int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
|
|
int __must_check i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
|
|
bool interruptible);
|
|
void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
|
|
struct intel_ring_buffer *ring,
|
|
u32 seqno);
|
|
|
|
/**
|
|
* Returns true if seq1 is later than seq2.
|
|
*/
|
|
static inline bool
|
|
i915_seqno_passed(uint32_t seq1, uint32_t seq2)
|
|
{
|
|
return (int32_t)(seq1 - seq2) >= 0;
|
|
}
|
|
|
|
static inline u32
|
|
i915_gem_next_request_seqno(struct drm_device *dev,
|
|
struct intel_ring_buffer *ring)
|
|
{
|
|
drm_i915_private_t *dev_priv = dev->dev_private;
|
|
return ring->outstanding_lazy_request = dev_priv->next_seqno;
|
|
}
|
|
|
|
int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj,
|
|
struct intel_ring_buffer *pipelined,
|
|
bool interruptible);
|
|
int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj);
|
|
|
|
void i915_gem_retire_requests(struct drm_device *dev);
|
|
void i915_gem_reset(struct drm_device *dev);
|
|
void i915_gem_clflush_object(struct drm_i915_gem_object *obj);
|
|
int __must_check i915_gem_object_set_domain(struct drm_i915_gem_object *obj,
|
|
uint32_t read_domains,
|
|
uint32_t write_domain);
|
|
int __must_check i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj,
|
|
bool interruptible);
|
|
int __must_check i915_gem_init_ringbuffer(struct drm_device *dev);
|
|
void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
|
|
void i915_gem_do_init(struct drm_device *dev,
|
|
unsigned long start,
|
|
unsigned long mappable_end,
|
|
unsigned long end);
|
|
int __must_check i915_gpu_idle(struct drm_device *dev);
|
|
int __must_check i915_gem_idle(struct drm_device *dev);
|
|
int __must_check i915_add_request(struct drm_device *dev,
|
|
struct drm_file *file_priv,
|
|
struct drm_i915_gem_request *request,
|
|
struct intel_ring_buffer *ring);
|
|
int __must_check i915_do_wait_request(struct drm_device *dev,
|
|
uint32_t seqno,
|
|
bool interruptible,
|
|
struct intel_ring_buffer *ring);
|
|
int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
|
|
int __must_check
|
|
i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,
|
|
bool write);
|
|
int __must_check
|
|
i915_gem_object_set_to_display_plane(struct drm_i915_gem_object *obj,
|
|
struct intel_ring_buffer *pipelined);
|
|
int i915_gem_attach_phys_object(struct drm_device *dev,
|
|
struct drm_i915_gem_object *obj,
|
|
int id,
|
|
int align);
|
|
void i915_gem_detach_phys_object(struct drm_device *dev,
|
|
struct drm_i915_gem_object *obj);
|
|
void i915_gem_free_all_phys_object(struct drm_device *dev);
|
|
void i915_gem_release(struct drm_device *dev, struct drm_file *file);
|
|
|
|
/* i915_gem_gtt.c */
|
|
void i915_gem_restore_gtt_mappings(struct drm_device *dev);
|
|
int __must_check i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj);
|
|
void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj);
|
|
|
|
/* i915_gem_evict.c */
|
|
int __must_check i915_gem_evict_something(struct drm_device *dev, int min_size,
|
|
unsigned alignment, bool mappable);
|
|
int __must_check i915_gem_evict_everything(struct drm_device *dev,
|
|
bool purgeable_only);
|
|
int __must_check i915_gem_evict_inactive(struct drm_device *dev,
|
|
bool purgeable_only);
|
|
|
|
/* i915_gem_tiling.c */
|
|
void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
|
|
void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj);
|
|
void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj);
|
|
|
|
/* i915_gem_debug.c */
|
|
void i915_gem_dump_object(struct drm_i915_gem_object *obj, int len,
|
|
const char *where, uint32_t mark);
|
|
#if WATCH_LISTS
|
|
int i915_verify_lists(struct drm_device *dev);
|
|
#else
|
|
#define i915_verify_lists(dev) 0
|
|
#endif
|
|
void i915_gem_object_check_coherency(struct drm_i915_gem_object *obj,
|
|
int handle);
|
|
void i915_gem_dump_object(struct drm_i915_gem_object *obj, int len,
|
|
const char *where, uint32_t mark);
|
|
|
|
/* i915_debugfs.c */
|
|
int i915_debugfs_init(struct drm_minor *minor);
|
|
void i915_debugfs_cleanup(struct drm_minor *minor);
|
|
|
|
/* i915_suspend.c */
|
|
extern int i915_save_state(struct drm_device *dev);
|
|
extern int i915_restore_state(struct drm_device *dev);
|
|
|
|
/* i915_suspend.c */
|
|
extern int i915_save_state(struct drm_device *dev);
|
|
extern int i915_restore_state(struct drm_device *dev);
|
|
|
|
/* intel_i2c.c */
|
|
extern int intel_setup_gmbus(struct drm_device *dev);
|
|
extern void intel_teardown_gmbus(struct drm_device *dev);
|
|
extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed);
|
|
extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit);
|
|
extern inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter)
|
|
{
|
|
return container_of(adapter, struct intel_gmbus, adapter)->force_bit;
|
|
}
|
|
extern void intel_i2c_reset(struct drm_device *dev);
|
|
|
|
/* intel_opregion.c */
|
|
extern int intel_opregion_setup(struct drm_device *dev);
|
|
#ifdef CONFIG_ACPI
|
|
extern void intel_opregion_init(struct drm_device *dev);
|
|
extern void intel_opregion_fini(struct drm_device *dev);
|
|
extern void intel_opregion_asle_intr(struct drm_device *dev);
|
|
extern void intel_opregion_gse_intr(struct drm_device *dev);
|
|
extern void intel_opregion_enable_asle(struct drm_device *dev);
|
|
#else
|
|
static inline void intel_opregion_init(struct drm_device *dev) { return; }
|
|
static inline void intel_opregion_fini(struct drm_device *dev) { return; }
|
|
static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; }
|
|
static inline void intel_opregion_gse_intr(struct drm_device *dev) { return; }
|
|
static inline void intel_opregion_enable_asle(struct drm_device *dev) { return; }
|
|
#endif
|
|
|
|
/* intel_acpi.c */
|
|
#ifdef CONFIG_ACPI
|
|
extern void intel_register_dsm_handler(void);
|
|
extern void intel_unregister_dsm_handler(void);
|
|
#else
|
|
static inline void intel_register_dsm_handler(void) { return; }
|
|
static inline void intel_unregister_dsm_handler(void) { return; }
|
|
#endif /* CONFIG_ACPI */
|
|
|
|
/* modesetting */
|
|
extern void intel_modeset_init(struct drm_device *dev);
|
|
extern void intel_modeset_cleanup(struct drm_device *dev);
|
|
extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state);
|
|
extern void i8xx_disable_fbc(struct drm_device *dev);
|
|
extern void g4x_disable_fbc(struct drm_device *dev);
|
|
extern void ironlake_disable_fbc(struct drm_device *dev);
|
|
extern void intel_disable_fbc(struct drm_device *dev);
|
|
extern void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval);
|
|
extern bool intel_fbc_enabled(struct drm_device *dev);
|
|
extern bool ironlake_set_drps(struct drm_device *dev, u8 val);
|
|
extern void ironlake_enable_rc6(struct drm_device *dev);
|
|
extern void gen6_set_rps(struct drm_device *dev, u8 val);
|
|
extern void intel_detect_pch (struct drm_device *dev);
|
|
extern int intel_trans_dp_port_sel (struct drm_crtc *crtc);
|
|
|
|
/* overlay */
|
|
#ifdef CONFIG_DEBUG_FS
|
|
extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
|
|
extern void intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error);
|
|
|
|
extern struct intel_display_error_state *intel_display_capture_error_state(struct drm_device *dev);
|
|
extern void intel_display_print_error_state(struct seq_file *m,
|
|
struct drm_device *dev,
|
|
struct intel_display_error_state *error);
|
|
#endif
|
|
|
|
#define LP_RING(d) (&((struct drm_i915_private *)(d))->ring[RCS])
|
|
|
|
#define BEGIN_LP_RING(n) \
|
|
intel_ring_begin(LP_RING(dev_priv), (n))
|
|
|
|
#define OUT_RING(x) \
|
|
intel_ring_emit(LP_RING(dev_priv), x)
|
|
|
|
#define ADVANCE_LP_RING() \
|
|
intel_ring_advance(LP_RING(dev_priv))
|
|
|
|
/**
|
|
* Lock test for when it's just for synchronization of ring access.
|
|
*
|
|
* In that case, we don't need to do it when GEM is initialized as nobody else
|
|
* has access to the ring.
|
|
*/
|
|
#define RING_LOCK_TEST_WITH_RETURN(dev, file) do { \
|
|
if (LP_RING(dev->dev_private)->obj == NULL) \
|
|
LOCK_TEST_WITH_RETURN(dev, file); \
|
|
} while (0)
|
|
|
|
|
|
#define __i915_read(x, y) \
|
|
static inline u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
|
|
u##x val = read##y(dev_priv->regs + reg); \
|
|
trace_i915_reg_rw('R', reg, val, sizeof(val)); \
|
|
return val; \
|
|
}
|
|
__i915_read(8, b)
|
|
__i915_read(16, w)
|
|
__i915_read(32, l)
|
|
__i915_read(64, q)
|
|
#undef __i915_read
|
|
|
|
#define __i915_write(x, y) \
|
|
static inline void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val) { \
|
|
trace_i915_reg_rw('W', reg, val, sizeof(val)); \
|
|
write##y(val, dev_priv->regs + reg); \
|
|
}
|
|
__i915_write(8, b)
|
|
__i915_write(16, w)
|
|
__i915_write(32, l)
|
|
__i915_write(64, q)
|
|
#undef __i915_write
|
|
|
|
#define I915_READ8(reg) i915_read8(dev_priv, (reg))
|
|
#define I915_WRITE8(reg, val) i915_write8(dev_priv, (reg), (val))
|
|
|
|
#define I915_READ16(reg) i915_read16(dev_priv, (reg))
|
|
#define I915_WRITE16(reg, val) i915_write16(dev_priv, (reg), (val))
|
|
#define I915_READ16_NOTRACE(reg) readw(dev_priv->regs + (reg))
|
|
#define I915_WRITE16_NOTRACE(reg, val) writew(val, dev_priv->regs + (reg))
|
|
|
|
#define I915_READ(reg) i915_read32(dev_priv, (reg))
|
|
#define I915_WRITE(reg, val) i915_write32(dev_priv, (reg), (val))
|
|
#define I915_READ_NOTRACE(reg) readl(dev_priv->regs + (reg))
|
|
#define I915_WRITE_NOTRACE(reg, val) writel(val, dev_priv->regs + (reg))
|
|
|
|
#define I915_WRITE64(reg, val) i915_write64(dev_priv, (reg), (val))
|
|
#define I915_READ64(reg) i915_read64(dev_priv, (reg))
|
|
|
|
#define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg)
|
|
#define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg)
|
|
|
|
|
|
/* On SNB platform, before reading ring registers forcewake bit
|
|
* must be set to prevent GT core from power down and stale values being
|
|
* returned.
|
|
*/
|
|
void __gen6_force_wake_get(struct drm_i915_private *dev_priv);
|
|
void __gen6_force_wake_put (struct drm_i915_private *dev_priv);
|
|
static inline u32 i915_safe_read(struct drm_i915_private *dev_priv, u32 reg)
|
|
{
|
|
u32 val;
|
|
|
|
if (dev_priv->info->gen >= 6) {
|
|
__gen6_force_wake_get(dev_priv);
|
|
val = I915_READ(reg);
|
|
__gen6_force_wake_put(dev_priv);
|
|
} else
|
|
val = I915_READ(reg);
|
|
|
|
return val;
|
|
}
|
|
|
|
static inline void
|
|
i915_write(struct drm_i915_private *dev_priv, u32 reg, u64 val, int len)
|
|
{
|
|
/* Trace down the write operation before the real write */
|
|
trace_i915_reg_rw('W', reg, val, len);
|
|
switch (len) {
|
|
case 8:
|
|
writeq(val, dev_priv->regs + reg);
|
|
break;
|
|
case 4:
|
|
writel(val, dev_priv->regs + reg);
|
|
break;
|
|
case 2:
|
|
writew(val, dev_priv->regs + reg);
|
|
break;
|
|
case 1:
|
|
writeb(val, dev_priv->regs + reg);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
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* Reads a dword out of the status page, which is written to from the command
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* queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
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* MI_STORE_DATA_IMM.
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*
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* The following dwords have a reserved meaning:
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* 0x00: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
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* 0x04: ring 0 head pointer
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* 0x05: ring 1 head pointer (915-class)
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* 0x06: ring 2 head pointer (915-class)
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* 0x10-0x1b: Context status DWords (GM45)
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* 0x1f: Last written status offset. (GM45)
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*
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* The area from dword 0x20 to 0x3ff is available for driver usage.
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*/
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#define READ_HWSP(dev_priv, reg) (((volatile u32 *)\
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(LP_RING(dev_priv)->status_page.page_addr))[reg])
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#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
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#define I915_GEM_HWS_INDEX 0x20
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#define I915_BREADCRUMB_INDEX 0x21
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#endif
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