1775 lines
56 KiB
C
1775 lines
56 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/scatterlist.h>
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//#include <linux/io-mapping.h>
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <drm/intel-gtt.h>
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//#include <linux/backlight.h>
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#include <linux/spinlock.h>
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#include <linux/err.h>
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/* General customization:
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*/
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#define I915_TILING_NONE 0
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#define VGA_RSRC_NONE 0x00
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#define VGA_RSRC_LEGACY_IO 0x01
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#define VGA_RSRC_LEGACY_MEM 0x02
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#define VGA_RSRC_LEGACY_MASK (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM)
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/* Non-legacy access */
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#define VGA_RSRC_NORMAL_IO 0x04
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#define VGA_RSRC_NORMAL_MEM 0x08
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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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PIPE_C,
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I915_MAX_PIPES
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};
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#define pipe_name(p) ((p) + 'A')
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enum transcoder {
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TRANSCODER_A = 0,
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TRANSCODER_B,
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TRANSCODER_C,
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TRANSCODER_EDP = 0xF,
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};
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#define transcoder_name(t) ((t) + 'A')
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enum plane {
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PLANE_A = 0,
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PLANE_B,
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PLANE_C,
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};
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#define plane_name(p) ((p) + 'A')
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enum port {
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PORT_A = 0,
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PORT_B,
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PORT_C,
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PORT_D,
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PORT_E,
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I915_MAX_PORTS
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};
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#define port_name(p) ((p) + 'A')
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#define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
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#define for_each_pipe(p) for ((p) = 0; (p) < dev_priv->num_pipe; (p)++)
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#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
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list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
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if ((intel_encoder)->base.crtc == (__crtc))
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struct intel_pch_pll {
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int refcount; /* count of number of CRTCs sharing this PLL */
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int active; /* count of number of active CRTCs (i.e. DPMS on) */
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bool on; /* is the PLL actually active? Disabled during modeset */
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int pll_reg;
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int fp0_reg;
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int fp1_reg;
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};
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#define I915_NUM_PLLS 2
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struct intel_ddi_plls {
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int spll_refcount;
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int wrpll1_refcount;
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int wrpll2_refcount;
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};
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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_LISTS 0
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#define WATCH_GTT 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 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 drm_i915_private;
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struct intel_opregion {
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struct opregion_header __iomem *header;
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struct opregion_acpi __iomem *acpi;
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struct opregion_swsci __iomem *swsci;
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struct opregion_asle __iomem *asle;
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void __iomem *vbt;
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u32 __iomem *lid_state;
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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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#define I915_MAX_NUM_FENCES 16
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/* 16 fences + sign bit for FENCE_REG_NONE */
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#define I915_MAX_NUM_FENCE_BITS 5
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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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int pin_count;
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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 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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struct kref ref;
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u32 eir;
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u32 pgtbl_er;
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u32 ier;
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u32 ccid;
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u32 derrmr;
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u32 forcewake;
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bool waiting[I915_NUM_RINGS];
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u32 pipestat[I915_MAX_PIPES];
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u32 tail[I915_NUM_RINGS];
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u32 head[I915_NUM_RINGS];
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u32 ctl[I915_NUM_RINGS];
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u32 ipeir[I915_NUM_RINGS];
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u32 ipehr[I915_NUM_RINGS];
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u32 instdone[I915_NUM_RINGS];
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u32 acthd[I915_NUM_RINGS];
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u32 semaphore_mboxes[I915_NUM_RINGS][I915_NUM_RINGS - 1];
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u32 semaphore_seqno[I915_NUM_RINGS][I915_NUM_RINGS - 1];
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u32 rc_psmi[I915_NUM_RINGS]; /* sleep state */
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/* our own tracking of ring head and tail */
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u32 cpu_ring_head[I915_NUM_RINGS];
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u32 cpu_ring_tail[I915_NUM_RINGS];
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u32 error; /* gen6+ */
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u32 err_int; /* gen7 */
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u32 instpm[I915_NUM_RINGS];
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u32 instps[I915_NUM_RINGS];
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u32 extra_instdone[I915_NUM_INSTDONE_REG];
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u32 seqno[I915_NUM_RINGS];
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u64 bbaddr;
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u32 fault_reg[I915_NUM_RINGS];
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u32 done_reg;
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u32 faddr[I915_NUM_RINGS];
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u64 fence[I915_MAX_NUM_FENCES];
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struct timeval time;
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struct drm_i915_error_ring {
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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;
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struct drm_i915_error_request {
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long jiffies;
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u32 seqno;
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u32 tail;
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} *requests;
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int num_requests;
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} ring[I915_NUM_RINGS];
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struct drm_i915_error_buffer {
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u32 size;
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u32 name;
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u32 rseqno, wseqno;
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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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s32 fence_reg:I915_MAX_NUM_FENCE_BITS;
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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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s32 ring:4;
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u32 cache_level:2;
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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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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);
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void (*update_sprite_wm)(struct drm_device *dev, int pipe,
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uint32_t sprite_width, int pixel_size);
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void (*update_linetime_wm)(struct drm_device *dev, int pipe,
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struct drm_display_mode *mode);
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void (*modeset_global_resources)(struct drm_device *dev);
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int (*crtc_mode_set)(struct drm_crtc *crtc,
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struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode,
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int x, int y,
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struct drm_framebuffer *old_fb);
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void (*crtc_enable)(struct drm_crtc *crtc);
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void (*crtc_disable)(struct drm_crtc *crtc);
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void (*off)(struct drm_crtc *crtc);
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void (*write_eld)(struct drm_connector *connector,
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struct drm_crtc *crtc);
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void (*fdi_link_train)(struct drm_crtc *crtc);
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void (*init_clock_gating)(struct drm_device *dev);
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int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc,
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struct drm_framebuffer *fb,
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struct drm_i915_gem_object *obj);
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int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb,
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int x, int y);
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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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};
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struct drm_i915_gt_funcs {
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void (*force_wake_get)(struct drm_i915_private *dev_priv);
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void (*force_wake_put)(struct drm_i915_private *dev_priv);
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};
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#define DEV_INFO_FLAGS \
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DEV_INFO_FLAG(is_mobile) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_i85x) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_i915g) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_i945gm) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_g33) DEV_INFO_SEP \
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DEV_INFO_FLAG(need_gfx_hws) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_g4x) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_pineview) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_broadwater) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_crestline) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_ivybridge) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_valleyview) DEV_INFO_SEP \
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DEV_INFO_FLAG(is_haswell) DEV_INFO_SEP \
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DEV_INFO_FLAG(has_force_wake) DEV_INFO_SEP \
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DEV_INFO_FLAG(has_fbc) DEV_INFO_SEP \
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DEV_INFO_FLAG(has_pipe_cxsr) DEV_INFO_SEP \
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DEV_INFO_FLAG(has_hotplug) DEV_INFO_SEP \
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DEV_INFO_FLAG(cursor_needs_physical) DEV_INFO_SEP \
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DEV_INFO_FLAG(has_overlay) DEV_INFO_SEP \
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DEV_INFO_FLAG(overlay_needs_physical) DEV_INFO_SEP \
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DEV_INFO_FLAG(supports_tv) DEV_INFO_SEP \
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DEV_INFO_FLAG(has_bsd_ring) DEV_INFO_SEP \
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DEV_INFO_FLAG(has_blt_ring) DEV_INFO_SEP \
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DEV_INFO_FLAG(has_llc)
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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 is_ivybridge:1;
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u8 is_valleyview:1;
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u8 has_force_wake:1;
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u8 is_haswell: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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u8 has_llc:1;
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};
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#define I915_PPGTT_PD_ENTRIES 512
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#define I915_PPGTT_PT_ENTRIES 1024
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struct i915_hw_ppgtt {
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struct drm_device *dev;
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unsigned num_pd_entries;
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struct page **pt_pages;
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uint32_t pd_offset;
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dma_addr_t *pt_dma_addr;
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dma_addr_t scratch_page_dma_addr;
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};
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/* This must match up with the value previously used for execbuf2.rsvd1. */
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#define DEFAULT_CONTEXT_ID 0
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struct i915_hw_context {
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int id;
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bool is_initialized;
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struct drm_i915_file_private *file_priv;
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struct intel_ring_buffer *ring;
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struct drm_i915_gem_object *obj;
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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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FBC_MODULE_PARAM,
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};
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enum intel_pch {
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PCH_NONE = 0, /* No PCH present */
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PCH_IBX, /* Ibexpeak PCH */
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PCH_CPT, /* Cougarpoint PCH */
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PCH_LPT, /* Lynxpoint PCH */
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};
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enum intel_sbi_destination {
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SBI_ICLK,
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SBI_MPHY,
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};
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#define QUIRK_PIPEA_FORCE (1<<0)
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#define QUIRK_LVDS_SSC_DISABLE (1<<1)
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#define QUIRK_INVERT_BRIGHTNESS (1<<2)
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struct intel_fbdev;
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struct intel_fbc_work;
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struct intel_gmbus {
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struct i2c_adapter adapter;
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u32 force_bit;
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u32 reg0;
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u32 gpio_reg;
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struct i2c_algo_bit_data bit_algo;
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struct drm_i915_private *dev_priv;
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};
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struct i915_suspend_saved_registers {
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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 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;
|
|
u32 saveTRANS_HSYNC_B;
|
|
u32 saveTRANS_VTOTAL_B;
|
|
u32 saveTRANS_VBLANK_B;
|
|
u32 saveTRANS_VSYNC_B;
|
|
u32 savePIPEBSTAT;
|
|
u32 saveDSPBSTRIDE;
|
|
u32 saveDSPBSIZE;
|
|
u32 saveDSPBPOS;
|
|
u32 saveDSPBADDR;
|
|
u32 saveDSPBSURF;
|
|
u32 saveDSPBTILEOFF;
|
|
u32 saveVGA0;
|
|
u32 saveVGA1;
|
|
u32 saveVGA_PD;
|
|
u32 saveVGACNTRL;
|
|
u32 saveADPA;
|
|
u32 saveLVDS;
|
|
u32 savePP_ON_DELAYS;
|
|
u32 savePP_OFF_DELAYS;
|
|
u32 saveDVOA;
|
|
u32 saveDVOB;
|
|
u32 saveDVOC;
|
|
u32 savePP_ON;
|
|
u32 savePP_OFF;
|
|
u32 savePP_CONTROL;
|
|
u32 savePP_DIVISOR;
|
|
u32 savePFIT_CONTROL;
|
|
u32 save_palette_a[256];
|
|
u32 save_palette_b[256];
|
|
u32 saveDPFC_CB_BASE;
|
|
u32 saveFBC_CFB_BASE;
|
|
u32 saveFBC_LL_BASE;
|
|
u32 saveFBC_CONTROL;
|
|
u32 saveFBC_CONTROL2;
|
|
u32 saveIER;
|
|
u32 saveIIR;
|
|
u32 saveIMR;
|
|
u32 saveDEIER;
|
|
u32 saveDEIMR;
|
|
u32 saveGTIER;
|
|
u32 saveGTIMR;
|
|
u32 saveFDI_RXA_IMR;
|
|
u32 saveFDI_RXB_IMR;
|
|
u32 saveCACHE_MODE_0;
|
|
u32 saveMI_ARB_STATE;
|
|
u32 saveSWF0[16];
|
|
u32 saveSWF1[16];
|
|
u32 saveSWF2[3];
|
|
u8 saveMSR;
|
|
u8 saveSR[8];
|
|
u8 saveGR[25];
|
|
u8 saveAR_INDEX;
|
|
u8 saveAR[21];
|
|
u8 saveDACMASK;
|
|
u8 saveCR[37];
|
|
uint64_t saveFENCE[I915_MAX_NUM_FENCES];
|
|
u32 saveCURACNTR;
|
|
u32 saveCURAPOS;
|
|
u32 saveCURABASE;
|
|
u32 saveCURBCNTR;
|
|
u32 saveCURBPOS;
|
|
u32 saveCURBBASE;
|
|
u32 saveCURSIZE;
|
|
u32 saveDP_B;
|
|
u32 saveDP_C;
|
|
u32 saveDP_D;
|
|
u32 savePIPEA_GMCH_DATA_M;
|
|
u32 savePIPEB_GMCH_DATA_M;
|
|
u32 savePIPEA_GMCH_DATA_N;
|
|
u32 savePIPEB_GMCH_DATA_N;
|
|
u32 savePIPEA_DP_LINK_M;
|
|
u32 savePIPEB_DP_LINK_M;
|
|
u32 savePIPEA_DP_LINK_N;
|
|
u32 savePIPEB_DP_LINK_N;
|
|
u32 saveFDI_RXA_CTL;
|
|
u32 saveFDI_TXA_CTL;
|
|
u32 saveFDI_RXB_CTL;
|
|
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;
|
|
u32 savePCH_PORT_HOTPLUG;
|
|
};
|
|
|
|
struct intel_gen6_power_mgmt {
|
|
struct work_struct work;
|
|
u32 pm_iir;
|
|
/* lock - irqsave spinlock that protectects the work_struct and
|
|
* pm_iir. */
|
|
spinlock_t lock;
|
|
|
|
/* The below variables an all the rps hw state are protected by
|
|
* dev->struct mutext. */
|
|
u8 cur_delay;
|
|
u8 min_delay;
|
|
u8 max_delay;
|
|
|
|
struct delayed_work delayed_resume_work;
|
|
|
|
/*
|
|
* Protects RPS/RC6 register access and PCU communication.
|
|
* Must be taken after struct_mutex if nested.
|
|
*/
|
|
struct mutex hw_lock;
|
|
};
|
|
|
|
struct intel_ilk_power_mgmt {
|
|
u8 cur_delay;
|
|
u8 min_delay;
|
|
u8 max_delay;
|
|
u8 fmax;
|
|
u8 fstart;
|
|
|
|
u64 last_count1;
|
|
unsigned long last_time1;
|
|
unsigned long chipset_power;
|
|
u64 last_count2;
|
|
struct timespec last_time2;
|
|
unsigned long gfx_power;
|
|
u8 corr;
|
|
|
|
int c_m;
|
|
int r_t;
|
|
|
|
struct drm_i915_gem_object *pwrctx;
|
|
struct drm_i915_gem_object *renderctx;
|
|
};
|
|
|
|
struct i915_dri1_state {
|
|
unsigned allow_batchbuffer : 1;
|
|
u32 __iomem *gfx_hws_cpu_addr;
|
|
|
|
unsigned int cpp;
|
|
int back_offset;
|
|
int front_offset;
|
|
int current_page;
|
|
int page_flipping;
|
|
|
|
uint32_t counter;
|
|
};
|
|
|
|
struct intel_l3_parity {
|
|
u32 *remap_info;
|
|
struct work_struct error_work;
|
|
};
|
|
|
|
typedef struct drm_i915_private {
|
|
struct drm_device *dev;
|
|
|
|
const struct intel_device_info *info;
|
|
|
|
int relative_constants_mode;
|
|
|
|
void __iomem *regs;
|
|
|
|
struct drm_i915_gt_funcs gt;
|
|
/** gt_fifo_count and the subsequent register write are synchronized
|
|
* with dev->struct_mutex. */
|
|
unsigned gt_fifo_count;
|
|
/** forcewake_count is protected by gt_lock */
|
|
unsigned forcewake_count;
|
|
/** gt_lock is also taken in irq contexts. */
|
|
struct spinlock gt_lock;
|
|
|
|
struct intel_gmbus gmbus[GMBUS_NUM_PORTS];
|
|
|
|
/** gmbus_mutex protects against concurrent usage of the single hw gmbus
|
|
* controller on different i2c buses. */
|
|
struct mutex gmbus_mutex;
|
|
|
|
/**
|
|
* Base address of the gmbus and gpio block.
|
|
*/
|
|
uint32_t gpio_mmio_base;
|
|
|
|
struct pci_dev *bridge_dev;
|
|
struct intel_ring_buffer ring[I915_NUM_RINGS];
|
|
uint32_t next_seqno;
|
|
|
|
drm_dma_handle_t *status_page_dmah;
|
|
struct resource mch_res;
|
|
|
|
atomic_t irq_received;
|
|
|
|
/* protects the irq masks */
|
|
spinlock_t irq_lock;
|
|
|
|
/* DPIO indirect register protection */
|
|
spinlock_t dpio_lock;
|
|
|
|
/** Cached value of IMR to avoid reads in updating the bitfield */
|
|
u32 pipestat[2];
|
|
u32 irq_mask;
|
|
u32 gt_irq_mask;
|
|
u32 pch_irq_mask;
|
|
|
|
u32 hotplug_supported_mask;
|
|
struct work_struct hotplug_work;
|
|
|
|
int num_pipe;
|
|
int num_pch_pll;
|
|
|
|
/* For hangcheck timer */
|
|
#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */
|
|
#define DRM_I915_HANGCHECK_JIFFIES msecs_to_jiffies(DRM_I915_HANGCHECK_PERIOD)
|
|
struct timer_list hangcheck_timer;
|
|
int hangcheck_count;
|
|
uint32_t last_acthd[I915_NUM_RINGS];
|
|
uint32_t prev_instdone[I915_NUM_INSTDONE_REG];
|
|
|
|
unsigned int stop_rings;
|
|
|
|
unsigned long cfb_size;
|
|
unsigned int cfb_fb;
|
|
enum plane cfb_plane;
|
|
int cfb_y;
|
|
struct intel_fbc_work *fbc_work;
|
|
|
|
struct intel_opregion opregion;
|
|
|
|
/* overlay */
|
|
struct intel_overlay *overlay;
|
|
bool sprite_scaling_enabled;
|
|
|
|
/* LVDS info */
|
|
int backlight_level; /* restore backlight to this value */
|
|
bool backlight_enabled;
|
|
struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */
|
|
struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */
|
|
|
|
/* Feature bits from the VBIOS */
|
|
unsigned int int_tv_support:1;
|
|
unsigned int lvds_dither:1;
|
|
unsigned int lvds_vbt:1;
|
|
unsigned int int_crt_support:1;
|
|
unsigned int lvds_use_ssc:1;
|
|
unsigned int display_clock_mode:1;
|
|
int lvds_ssc_freq;
|
|
unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */
|
|
unsigned int lvds_val; /* used for checking LVDS channel mode */
|
|
struct {
|
|
int rate;
|
|
int lanes;
|
|
int preemphasis;
|
|
int vswing;
|
|
|
|
bool initialized;
|
|
bool support;
|
|
int bpp;
|
|
struct edp_power_seq pps;
|
|
} edp;
|
|
bool no_aux_handshake;
|
|
|
|
int crt_ddc_pin;
|
|
struct drm_i915_fence_reg fence_regs[I915_MAX_NUM_FENCES]; /* assume 965 */
|
|
int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
|
|
int num_fence_regs; /* 8 on pre-965, 16 otherwise */
|
|
|
|
unsigned int fsb_freq, mem_freq, is_ddr3;
|
|
|
|
spinlock_t error_lock;
|
|
/* Protected by dev->error_lock. */
|
|
struct drm_i915_error_state *first_error;
|
|
struct work_struct error_work;
|
|
struct completion error_completion;
|
|
struct workqueue_struct *wq;
|
|
|
|
/* Display functions */
|
|
struct drm_i915_display_funcs display;
|
|
|
|
/* PCH chipset type */
|
|
enum intel_pch pch_type;
|
|
unsigned short pch_id;
|
|
|
|
unsigned long quirks;
|
|
|
|
/* Register state */
|
|
bool modeset_on_lid;
|
|
|
|
struct {
|
|
/** Bridge to intel-gtt-ko */
|
|
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 bound_list;
|
|
/**
|
|
* List of objects which are not bound to the GTT (thus
|
|
* are idle and not used by the GPU) but still have
|
|
* (presumably uncached) pages still attached.
|
|
*/
|
|
struct list_head unbound_list;
|
|
|
|
/** Usable portion of the GTT for GEM */
|
|
unsigned long gtt_start;
|
|
unsigned long gtt_mappable_end;
|
|
unsigned long gtt_end;
|
|
|
|
// struct io_mapping *gtt_mapping;
|
|
phys_addr_t gtt_base_addr;
|
|
int gtt_mtrr;
|
|
|
|
/** PPGTT used for aliasing the PPGTT with the GTT */
|
|
struct i915_hw_ppgtt *aliasing_ppgtt;
|
|
|
|
// struct shrinker inactive_shrinker;
|
|
bool shrinker_no_lock_stealing;
|
|
|
|
/**
|
|
* 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;
|
|
|
|
/**
|
|
* 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 with fence regs on them. */
|
|
struct list_head fence_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;
|
|
|
|
/**
|
|
* Are we in a non-interruptible section of code like
|
|
* modesetting?
|
|
*/
|
|
bool interruptible;
|
|
|
|
/**
|
|
* 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 occurring 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;
|
|
|
|
/* Kernel Modesetting */
|
|
|
|
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[3];
|
|
struct drm_crtc *pipe_to_crtc_mapping[3];
|
|
wait_queue_head_t pending_flip_queue;
|
|
|
|
struct intel_pch_pll pch_plls[I915_NUM_PLLS];
|
|
struct intel_ddi_plls ddi_plls;
|
|
|
|
/* Reclocking support */
|
|
bool render_reclock_avail;
|
|
bool lvds_downclock_avail;
|
|
/* indicates the reduced downclock for LVDS*/
|
|
int lvds_downclock;
|
|
u16 orig_clock;
|
|
int child_dev_num;
|
|
struct child_device_config *child_dev;
|
|
|
|
bool mchbar_need_disable;
|
|
|
|
struct intel_l3_parity l3_parity;
|
|
|
|
/* gen6+ rps state */
|
|
struct intel_gen6_power_mgmt rps;
|
|
|
|
/* ilk-only ips/rps state. Everything in here is protected by the global
|
|
* mchdev_lock in intel_pm.c */
|
|
struct intel_ilk_power_mgmt ips;
|
|
|
|
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;
|
|
|
|
/*
|
|
* The console may be contended at resume, but we don't
|
|
* want it to block on it.
|
|
*/
|
|
struct work_struct console_resume_work;
|
|
|
|
// struct backlight_device *backlight;
|
|
|
|
struct drm_property *broadcast_rgb_property;
|
|
struct drm_property *force_audio_property;
|
|
|
|
bool hw_contexts_disabled;
|
|
uint32_t hw_context_size;
|
|
|
|
bool fdi_rx_polarity_reversed;
|
|
|
|
struct i915_suspend_saved_registers regfile;
|
|
|
|
/* Old dri1 support infrastructure, beware the dragons ya fools entering
|
|
* here! */
|
|
struct i915_dri1_state dri1;
|
|
} drm_i915_private_t;
|
|
|
|
/* Iterate over initialised rings */
|
|
#define for_each_ring(ring__, dev_priv__, i__) \
|
|
for ((i__) = 0; (i__) < I915_NUM_RINGS; (i__)++) \
|
|
if (((ring__) = &(dev_priv__)->ring[(i__)]), intel_ring_initialized((ring__)))
|
|
|
|
enum hdmi_force_audio {
|
|
HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */
|
|
HDMI_AUDIO_OFF, /* force turn off HDMI audio */
|
|
HDMI_AUDIO_AUTO, /* trust EDID */
|
|
HDMI_AUDIO_ON, /* force turn on HDMI audio */
|
|
};
|
|
|
|
enum i915_cache_level {
|
|
I915_CACHE_NONE = 0,
|
|
I915_CACHE_LLC,
|
|
I915_CACHE_LLC_MLC, /* gen6+, in docs at least! */
|
|
};
|
|
|
|
struct drm_i915_gem_object_ops {
|
|
/* Interface between the GEM object and its backing storage.
|
|
* get_pages() is called once prior to the use of the associated set
|
|
* of pages before to binding them into the GTT, and put_pages() is
|
|
* called after we no longer need them. As we expect there to be
|
|
* associated cost with migrating pages between the backing storage
|
|
* and making them available for the GPU (e.g. clflush), we may hold
|
|
* onto the pages after they are no longer referenced by the GPU
|
|
* in case they may be used again shortly (for example migrating the
|
|
* pages to a different memory domain within the GTT). put_pages()
|
|
* will therefore most likely be called when the object itself is
|
|
* being released or under memory pressure (where we attempt to
|
|
* reap pages for the shrinker).
|
|
*/
|
|
int (*get_pages)(struct drm_i915_gem_object *);
|
|
void (*put_pages)(struct drm_i915_gem_object *);
|
|
};
|
|
|
|
struct drm_i915_gem_object {
|
|
struct drm_gem_object base;
|
|
|
|
const struct drm_i915_gem_object_ops *ops;
|
|
|
|
// void *mapped;
|
|
|
|
/** 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/inactive lists */
|
|
struct list_head ring_list;
|
|
struct list_head mm_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 lists (has pending
|
|
* rendering and so a non-zero seqno), and is not set if it i s on
|
|
* inactive (ready to be unbound) list.
|
|
*/
|
|
unsigned int active:1;
|
|
|
|
/**
|
|
* This is set if the object has been written to since last bound
|
|
* to the GTT
|
|
*/
|
|
unsigned int dirty:1;
|
|
|
|
/**
|
|
* Fence register bits (if any) for this object. Will be set
|
|
* as needed when mapped into the GTT.
|
|
* Protected by dev->struct_mutex.
|
|
*/
|
|
signed int fence_reg:I915_MAX_NUM_FENCE_BITS;
|
|
|
|
/**
|
|
* Advice: are the backing pages purgeable?
|
|
*/
|
|
unsigned int madv:2;
|
|
|
|
/**
|
|
* Current tiling mode for the object.
|
|
*/
|
|
unsigned int tiling_mode:2;
|
|
/**
|
|
* Whether the tiling parameters for the currently associated fence
|
|
* register have changed. Note that for the purposes of tracking
|
|
* tiling changes we also treat the unfenced register, the register
|
|
* slot that the object occupies whilst it executes a fenced
|
|
* command (such as BLT on gen2/3), as a "fence".
|
|
*/
|
|
unsigned int fence_dirty: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;
|
|
|
|
unsigned int cache_level:2;
|
|
|
|
unsigned int has_aliasing_ppgtt_mapping:1;
|
|
unsigned int has_global_gtt_mapping:1;
|
|
unsigned int has_dma_mapping:1;
|
|
|
|
// dma_addr_t *allocated_pages;
|
|
struct sg_table *pages;
|
|
int pages_pin_count;
|
|
|
|
/* prime dma-buf support */
|
|
void *dma_buf_vmapping;
|
|
int vmapping_count;
|
|
|
|
/**
|
|
* Used for performing relocations during execbuffer insertion.
|
|
*/
|
|
struct hlist_node exec_node;
|
|
unsigned long exec_handle;
|
|
struct drm_i915_gem_exec_object2 *exec_entry;
|
|
|
|
/**
|
|
* Current offset of the object in GTT space.
|
|
*
|
|
* This is the same as gtt_space->start
|
|
*/
|
|
uint32_t gtt_offset;
|
|
|
|
struct intel_ring_buffer *ring;
|
|
|
|
/** Breadcrumb of last rendering to the buffer. */
|
|
uint32_t last_read_seqno;
|
|
uint32_t last_write_seqno;
|
|
/** Breadcrumb of last fenced GPU access to the buffer. */
|
|
uint32_t last_fenced_seqno;
|
|
|
|
/** 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;
|
|
|
|
/** 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_gem_object(obj) (&((struct drm_i915_gem_object *)(obj))->base)
|
|
|
|
#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;
|
|
|
|
/** Postion in the ringbuffer of the end of the request */
|
|
u32 tail;
|
|
|
|
/** 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;
|
|
struct idr context_idr;
|
|
};
|
|
|
|
#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_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
|
|
#define IS_IVB_GT1(dev) ((dev)->pci_device == 0x0156 || \
|
|
(dev)->pci_device == 0x0152 || \
|
|
(dev)->pci_device == 0x015a)
|
|
#define IS_SNB_GT1(dev) ((dev)->pci_device == 0x0102 || \
|
|
(dev)->pci_device == 0x0106 || \
|
|
(dev)->pci_device == 0x010A)
|
|
#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
|
|
#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
|
|
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
|
|
#define IS_ULT(dev) (IS_HASWELL(dev) && \
|
|
((dev)->pci_device & 0xFF00) == 0x0A00)
|
|
|
|
/*
|
|
* The genX designation typically refers to the render engine, so render
|
|
* capability related checks should use IS_GEN, while display and other checks
|
|
* have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular
|
|
* chips, etc.).
|
|
*/
|
|
#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 IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7)
|
|
|
|
#define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring)
|
|
#define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring)
|
|
#define HAS_LLC(dev) (INTEL_INFO(dev)->has_llc)
|
|
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
|
|
|
|
#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
|
|
#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >=6 && !IS_VALLEYVIEW(dev))
|
|
|
|
#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
|
|
#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
|
|
|
|
/* Early gen2 have a totally busted CS tlb and require pinned batches. */
|
|
#define HAS_BROKEN_CS_TLB(dev) (IS_I830(dev) || IS_845G(dev))
|
|
|
|
/* 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_PIPE_CONTROL(dev) (INTEL_INFO(dev)->gen >= 5)
|
|
|
|
#define INTEL_PCH_DEVICE_ID_MASK 0xff00
|
|
#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
|
|
#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
|
|
#define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
|
|
#define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00
|
|
#define INTEL_PCH_LPT_LP_DEVICE_ID_TYPE 0x9c00
|
|
|
|
#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
|
|
#define HAS_PCH_LPT(dev) (INTEL_PCH_TYPE(dev) == PCH_LPT)
|
|
#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
|
|
#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
|
|
#define HAS_PCH_SPLIT(dev) (INTEL_PCH_TYPE(dev) != PCH_NONE)
|
|
|
|
#define HAS_FORCE_WAKE(dev) (INTEL_INFO(dev)->has_force_wake)
|
|
|
|
#define HAS_L3_GPU_CACHE(dev) (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
|
|
|
|
#define GT_FREQUENCY_MULTIPLIER 50
|
|
|
|
#include "i915_trace.h"
|
|
|
|
/**
|
|
* RC6 is a special power stage which allows the GPU to enter an very
|
|
* low-voltage mode when idle, using down to 0V while at this stage. This
|
|
* stage is entered automatically when the GPU is idle when RC6 support is
|
|
* enabled, and as soon as new workload arises GPU wakes up automatically as well.
|
|
*
|
|
* There are different RC6 modes available in Intel GPU, which differentiate
|
|
* among each other with the latency required to enter and leave RC6 and
|
|
* voltage consumed by the GPU in different states.
|
|
*
|
|
* The combination of the following flags define which states GPU is allowed
|
|
* to enter, while RC6 is the normal RC6 state, RC6p is the deep RC6, and
|
|
* RC6pp is deepest RC6. Their support by hardware varies according to the
|
|
* GPU, BIOS, chipset and platform. RC6 is usually the safest one and the one
|
|
* which brings the most power savings; deeper states save more power, but
|
|
* require higher latency to switch to and wake up.
|
|
*/
|
|
#define INTEL_RC6_ENABLE (1<<0)
|
|
#define INTEL_RC6p_ENABLE (1<<1)
|
|
#define INTEL_RC6pp_ENABLE (1<<2)
|
|
|
|
extern unsigned int i915_fbpercrtc __always_unused;
|
|
extern int i915_panel_ignore_lid __read_mostly;
|
|
extern unsigned int i915_powersave __read_mostly;
|
|
extern int i915_semaphores __read_mostly;
|
|
extern unsigned int i915_lvds_downclock __read_mostly;
|
|
extern int i915_lvds_channel_mode __read_mostly;
|
|
extern int i915_panel_use_ssc __read_mostly;
|
|
extern int i915_vbt_sdvo_panel_type __read_mostly;
|
|
extern int i915_enable_rc6 __read_mostly;
|
|
extern int i915_enable_fbc __read_mostly;
|
|
extern bool i915_enable_hangcheck __read_mostly;
|
|
extern int i915_enable_ppgtt __read_mostly;
|
|
extern unsigned int i915_preliminary_hw_support __read_mostly;
|
|
|
|
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 */
|
|
void i915_update_dri1_breadcrumb(struct drm_device *dev);
|
|
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);
|
|
#ifdef CONFIG_COMPAT
|
|
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
|
|
unsigned long arg);
|
|
#endif
|
|
extern int i915_emit_box(struct drm_device *dev,
|
|
struct drm_clip_rect *box,
|
|
int DR1, int DR4);
|
|
extern int intel_gpu_reset(struct drm_device *dev);
|
|
extern int i915_reset(struct drm_device *dev);
|
|
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 void intel_irq_init(struct drm_device *dev);
|
|
extern void intel_gt_init(struct drm_device *dev);
|
|
extern void intel_gt_reset(struct drm_device *dev);
|
|
|
|
void i915_error_state_free(struct kref *error_ref);
|
|
|
|
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);
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
extern void i915_destroy_error_state(struct drm_device *dev);
|
|
#else
|
|
#define i915_destroy_error_state(x)
|
|
#endif
|
|
|
|
|
|
/* i915_gem.c */
|
|
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_get_caching_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
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);
|
|
int i915_gem_wait_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);
|
|
void i915_gem_object_init(struct drm_i915_gem_object *obj,
|
|
const struct drm_i915_gem_object_ops *ops);
|
|
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,
|
|
bool nonblocking);
|
|
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_gem_object_get_pages(struct drm_i915_gem_object *obj);
|
|
static inline struct page *i915_gem_object_get_page(struct drm_i915_gem_object *obj, int n)
|
|
{
|
|
struct scatterlist *sg = obj->pages->sgl;
|
|
int nents = obj->pages->nents;
|
|
while (nents > SG_MAX_SINGLE_ALLOC) {
|
|
if (n < SG_MAX_SINGLE_ALLOC - 1)
|
|
break;
|
|
|
|
sg = sg_chain_ptr(sg + SG_MAX_SINGLE_ALLOC - 1);
|
|
n -= SG_MAX_SINGLE_ALLOC - 1;
|
|
nents -= SG_MAX_SINGLE_ALLOC - 1;
|
|
}
|
|
return sg_page(sg+n);
|
|
}
|
|
static inline void i915_gem_object_pin_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
BUG_ON(obj->pages == NULL);
|
|
obj->pages_pin_count++;
|
|
}
|
|
static inline void i915_gem_object_unpin_pages(struct drm_i915_gem_object *obj)
|
|
{
|
|
BUG_ON(obj->pages_pin_count == 0);
|
|
obj->pages_pin_count--;
|
|
}
|
|
|
|
int __must_check i915_mutex_lock_interruptible(struct drm_device *dev);
|
|
int i915_gem_object_sync(struct drm_i915_gem_object *obj,
|
|
struct intel_ring_buffer *to);
|
|
void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
|
|
struct intel_ring_buffer *ring);
|
|
|
|
int i915_gem_dumb_create(struct drm_file *file_priv,
|
|
struct drm_device *dev,
|
|
struct drm_mode_create_dumb *args);
|
|
int i915_gem_mmap_gtt(struct drm_file *file_priv, struct drm_device *dev,
|
|
uint32_t handle, uint64_t *offset);
|
|
int i915_gem_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
|
|
uint32_t handle);
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
extern int i915_gem_get_seqno(struct drm_device *dev, u32 *seqno);
|
|
|
|
int __must_check i915_gem_object_get_fence(struct drm_i915_gem_object *obj);
|
|
int __must_check i915_gem_object_put_fence(struct drm_i915_gem_object *obj);
|
|
|
|
static inline bool
|
|
i915_gem_object_pin_fence(struct drm_i915_gem_object *obj)
|
|
{
|
|
if (obj->fence_reg != I915_FENCE_REG_NONE) {
|
|
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
|
|
dev_priv->fence_regs[obj->fence_reg].pin_count++;
|
|
return true;
|
|
} else
|
|
return false;
|
|
}
|
|
|
|
static inline void
|
|
i915_gem_object_unpin_fence(struct drm_i915_gem_object *obj)
|
|
{
|
|
if (obj->fence_reg != I915_FENCE_REG_NONE) {
|
|
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
|
|
dev_priv->fence_regs[obj->fence_reg].pin_count--;
|
|
}
|
|
}
|
|
|
|
void i915_gem_retire_requests(struct drm_device *dev);
|
|
void i915_gem_retire_requests_ring(struct intel_ring_buffer *ring);
|
|
int __must_check i915_gem_check_wedge(struct drm_i915_private *dev_priv,
|
|
bool interruptible);
|
|
|
|
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_finish_gpu(struct drm_i915_gem_object *obj);
|
|
int __must_check i915_gem_init(struct drm_device *dev);
|
|
int __must_check i915_gem_init_hw(struct drm_device *dev);
|
|
void i915_gem_l3_remap(struct drm_device *dev);
|
|
void i915_gem_init_swizzling(struct drm_device *dev);
|
|
void i915_gem_init_ppgtt(struct drm_device *dev);
|
|
void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
|
|
int __must_check i915_gpu_idle(struct drm_device *dev);
|
|
int __must_check i915_gem_idle(struct drm_device *dev);
|
|
int i915_add_request(struct intel_ring_buffer *ring,
|
|
struct drm_file *file,
|
|
u32 *seqno);
|
|
int __must_check i915_wait_seqno(struct intel_ring_buffer *ring,
|
|
uint32_t seqno);
|
|
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_cpu_domain(struct drm_i915_gem_object *obj, bool write);
|
|
int __must_check
|
|
i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
|
|
u32 alignment,
|
|
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);
|
|
|
|
uint32_t
|
|
i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev,
|
|
uint32_t size,
|
|
int tiling_mode);
|
|
|
|
int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
|
|
enum i915_cache_level cache_level);
|
|
|
|
|
|
struct dma_buf *i915_gem_prime_export(struct drm_device *dev,
|
|
struct drm_gem_object *gem_obj, int flags);
|
|
|
|
/* i915_gem_context.c */
|
|
void i915_gem_context_init(struct drm_device *dev);
|
|
void i915_gem_context_fini(struct drm_device *dev);
|
|
void i915_gem_context_close(struct drm_device *dev, struct drm_file *file);
|
|
int i915_switch_context(struct intel_ring_buffer *ring,
|
|
struct drm_file *file, int to_id);
|
|
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
|
|
/* i915_gem_gtt.c */
|
|
int __must_check i915_gem_init_aliasing_ppgtt(struct drm_device *dev);
|
|
void i915_gem_cleanup_aliasing_ppgtt(struct drm_device *dev);
|
|
void i915_ppgtt_bind_object(struct i915_hw_ppgtt *ppgtt,
|
|
struct drm_i915_gem_object *obj,
|
|
enum i915_cache_level cache_level);
|
|
void i915_ppgtt_unbind_object(struct i915_hw_ppgtt *ppgtt,
|
|
struct drm_i915_gem_object *obj);
|
|
|
|
void i915_gem_restore_gtt_mappings(struct drm_device *dev);
|
|
int __must_check i915_gem_gtt_prepare_object(struct drm_i915_gem_object *obj);
|
|
void i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj,
|
|
enum i915_cache_level cache_level);
|
|
void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj);
|
|
void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj);
|
|
void i915_gem_init_global_gtt(struct drm_device *dev,
|
|
unsigned long start,
|
|
unsigned long mappable_end,
|
|
unsigned long end);
|
|
int i915_gem_gtt_init(struct drm_device *dev);
|
|
void i915_gem_gtt_fini(struct drm_device *dev);
|
|
static inline void i915_gem_chipset_flush(struct drm_device *dev)
|
|
{
|
|
if (INTEL_INFO(dev)->gen < 6)
|
|
intel_gtt_chipset_flush();
|
|
}
|
|
|
|
|
|
/* i915_gem_evict.c */
|
|
int __must_check i915_gem_evict_something(struct drm_device *dev, int min_size,
|
|
unsigned alignment,
|
|
unsigned cache_level,
|
|
bool mappable,
|
|
bool nonblock);
|
|
int i915_gem_evict_everything(struct drm_device *dev);
|
|
|
|
/* i915_gem_stolen.c */
|
|
int i915_gem_init_stolen(struct drm_device *dev);
|
|
void i915_gem_cleanup_stolen(struct drm_device *dev);
|
|
|
|
/* 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);
|
|
|
|
/* i915_sysfs.c */
|
|
void i915_setup_sysfs(struct drm_device *dev_priv);
|
|
void i915_teardown_sysfs(struct drm_device *dev_priv);
|
|
|
|
/* intel_i2c.c */
|
|
extern int intel_setup_gmbus(struct drm_device *dev);
|
|
extern void intel_teardown_gmbus(struct drm_device *dev);
|
|
extern inline bool intel_gmbus_is_port_valid(unsigned port)
|
|
{
|
|
return (port >= GMBUS_PORT_SSC && port <= GMBUS_PORT_DPD);
|
|
}
|
|
|
|
extern struct i2c_adapter *intel_gmbus_get_adapter(
|
|
struct drm_i915_private *dev_priv, unsigned port);
|
|
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_hw(struct drm_device *dev);
|
|
extern void intel_modeset_init(struct drm_device *dev);
|
|
extern void intel_modeset_gem_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 intel_modeset_setup_hw_state(struct drm_device *dev,
|
|
bool force_restore);
|
|
extern bool intel_fbc_enabled(struct drm_device *dev);
|
|
extern void intel_disable_fbc(struct drm_device *dev);
|
|
extern bool ironlake_set_drps(struct drm_device *dev, u8 val);
|
|
extern void intel_init_pch_refclk(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);
|
|
extern int intel_enable_rc6(const struct drm_device *dev);
|
|
|
|
extern bool i915_semaphore_is_enabled(struct drm_device *dev);
|
|
int i915_reg_read_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file);
|
|
|
|
/* 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
|
|
|
|
/* 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_gt_force_wake_get(struct drm_i915_private *dev_priv);
|
|
void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv);
|
|
int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv);
|
|
|
|
int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u8 mbox, u32 *val);
|
|
int sandybridge_pcode_write(struct drm_i915_private *dev_priv, u8 mbox, u32 val);
|
|
|
|
#define __i915_read(x, y) \
|
|
u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg);
|
|
|
|
__i915_read(8, b)
|
|
__i915_read(16, w)
|
|
__i915_read(32, l)
|
|
__i915_read(64, q)
|
|
#undef __i915_read
|
|
|
|
#define __i915_write(x, y) \
|
|
void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val);
|
|
|
|
__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)
|
|
|
|
typedef struct
|
|
{
|
|
int width;
|
|
int height;
|
|
int bpp;
|
|
int freq;
|
|
}videomode_t;
|
|
|
|
|
|
static inline int mutex_trylock(struct mutex *lock)
|
|
{
|
|
if (likely(atomic_cmpxchg(&lock->count, 1, 0) == 1))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
#define ioread32(addr) readl(addr)
|
|
|
|
|
|
|
|
|
|
|
|
#endif
|