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7e8b60faea
Rather than restoring just a few clock gating registers on resume, just reinitialize the whole thing. Signed-off-by: Andy Lutomirski <luto@mit.edu> [anholt: Fixed up for RC6 support landed since the patch was written] Signed-off-by: Eric Anholt <eric@anholt.net>
230 lines
8.2 KiB
C
230 lines
8.2 KiB
C
/*
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* Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
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* Copyright (c) 2007-2008 Intel Corporation
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* Jesse Barnes <jesse.barnes@intel.com>
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef __INTEL_DRV_H__
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#define __INTEL_DRV_H__
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#include <linux/i2c.h>
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#include <linux/i2c-id.h>
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#include <linux/i2c-algo-bit.h>
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#include "i915_drv.h"
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#include "drm_crtc.h"
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#include "drm_crtc_helper.h"
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/*
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* Display related stuff
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*/
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/* store information about an Ixxx DVO */
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/* The i830->i865 use multiple DVOs with multiple i2cs */
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/* the i915, i945 have a single sDVO i2c bus - which is different */
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#define MAX_OUTPUTS 6
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/* maximum connectors per crtcs in the mode set */
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#define INTELFB_CONN_LIMIT 4
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#define INTEL_I2C_BUS_DVO 1
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#define INTEL_I2C_BUS_SDVO 2
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/* these are outputs from the chip - integrated only
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external chips are via DVO or SDVO output */
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#define INTEL_OUTPUT_UNUSED 0
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#define INTEL_OUTPUT_ANALOG 1
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#define INTEL_OUTPUT_DVO 2
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#define INTEL_OUTPUT_SDVO 3
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#define INTEL_OUTPUT_LVDS 4
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#define INTEL_OUTPUT_TVOUT 5
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#define INTEL_OUTPUT_HDMI 6
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#define INTEL_OUTPUT_DISPLAYPORT 7
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#define INTEL_OUTPUT_EDP 8
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/* Intel Pipe Clone Bit */
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#define INTEL_HDMIB_CLONE_BIT 1
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#define INTEL_HDMIC_CLONE_BIT 2
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#define INTEL_HDMID_CLONE_BIT 3
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#define INTEL_HDMIE_CLONE_BIT 4
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#define INTEL_HDMIF_CLONE_BIT 5
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#define INTEL_SDVO_NON_TV_CLONE_BIT 6
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#define INTEL_SDVO_TV_CLONE_BIT 7
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#define INTEL_SDVO_LVDS_CLONE_BIT 8
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#define INTEL_ANALOG_CLONE_BIT 9
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#define INTEL_TV_CLONE_BIT 10
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#define INTEL_DP_B_CLONE_BIT 11
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#define INTEL_DP_C_CLONE_BIT 12
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#define INTEL_DP_D_CLONE_BIT 13
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#define INTEL_LVDS_CLONE_BIT 14
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#define INTEL_DVO_TMDS_CLONE_BIT 15
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#define INTEL_DVO_LVDS_CLONE_BIT 16
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#define INTEL_EDP_CLONE_BIT 17
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#define INTEL_DVO_CHIP_NONE 0
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#define INTEL_DVO_CHIP_LVDS 1
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#define INTEL_DVO_CHIP_TMDS 2
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#define INTEL_DVO_CHIP_TVOUT 4
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struct intel_i2c_chan {
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struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */
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u32 reg; /* GPIO reg */
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struct i2c_adapter adapter;
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struct i2c_algo_bit_data algo;
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};
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struct intel_framebuffer {
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struct drm_framebuffer base;
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struct drm_gem_object *obj;
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};
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struct intel_output {
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struct drm_connector base;
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struct drm_encoder enc;
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int type;
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struct i2c_adapter *i2c_bus;
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struct i2c_adapter *ddc_bus;
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bool load_detect_temp;
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bool needs_tv_clock;
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void *dev_priv;
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void (*hot_plug)(struct intel_output *);
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int crtc_mask;
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int clone_mask;
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};
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struct intel_crtc;
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struct intel_overlay {
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struct drm_device *dev;
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struct intel_crtc *crtc;
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struct drm_i915_gem_object *vid_bo;
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struct drm_i915_gem_object *old_vid_bo;
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int active;
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int pfit_active;
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u32 pfit_vscale_ratio; /* shifted-point number, (1<<12) == 1.0 */
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u32 color_key;
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u32 brightness, contrast, saturation;
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u32 old_xscale, old_yscale;
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/* register access */
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u32 flip_addr;
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struct drm_i915_gem_object *reg_bo;
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void *virt_addr;
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/* flip handling */
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uint32_t last_flip_req;
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int hw_wedged;
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#define HW_WEDGED 1
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#define NEEDS_WAIT_FOR_FLIP 2
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#define RELEASE_OLD_VID 3
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#define SWITCH_OFF_STAGE_1 4
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#define SWITCH_OFF_STAGE_2 5
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};
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struct intel_crtc {
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struct drm_crtc base;
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enum pipe pipe;
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enum plane plane;
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struct drm_gem_object *cursor_bo;
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uint32_t cursor_addr;
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u8 lut_r[256], lut_g[256], lut_b[256];
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int dpms_mode;
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bool busy; /* is scanout buffer being updated frequently? */
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struct timer_list idle_timer;
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bool lowfreq_avail;
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struct intel_overlay *overlay;
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struct intel_unpin_work *unpin_work;
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};
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#define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
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#define to_intel_output(x) container_of(x, struct intel_output, base)
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#define enc_to_intel_output(x) container_of(x, struct intel_output, enc)
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#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
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struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg,
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const char *name);
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void intel_i2c_destroy(struct i2c_adapter *adapter);
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int intel_ddc_get_modes(struct intel_output *intel_output);
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extern bool intel_ddc_probe(struct intel_output *intel_output);
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void intel_i2c_quirk_set(struct drm_device *dev, bool enable);
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void intel_i2c_reset_gmbus(struct drm_device *dev);
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extern void intel_crt_init(struct drm_device *dev);
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extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
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extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
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extern void intel_dvo_init(struct drm_device *dev);
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extern void intel_tv_init(struct drm_device *dev);
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extern void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj);
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extern void intel_lvds_init(struct drm_device *dev);
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extern void intel_dp_init(struct drm_device *dev, int dp_reg);
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void
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intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode);
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extern void intel_edp_link_config (struct intel_output *, int *, int *);
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extern int intel_panel_fitter_pipe (struct drm_device *dev);
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extern void intel_crtc_load_lut(struct drm_crtc *crtc);
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extern void intel_encoder_prepare (struct drm_encoder *encoder);
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extern void intel_encoder_commit (struct drm_encoder *encoder);
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extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
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extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
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struct drm_crtc *crtc);
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int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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extern void intel_wait_for_vblank(struct drm_device *dev);
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extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
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extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
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struct drm_display_mode *mode,
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int *dpms_mode);
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extern void intel_release_load_detect_pipe(struct intel_output *intel_output,
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int dpms_mode);
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extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB);
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extern int intel_sdvo_supports_hotplug(struct drm_connector *connector);
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extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable);
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extern int intelfb_probe(struct drm_device *dev);
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extern int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
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extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc);
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extern void intelfb_restore(void);
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extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
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u16 blue, int regno);
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extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
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u16 *blue, int regno);
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extern void intel_init_clock_gating(struct drm_device *dev);
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extern int intel_framebuffer_create(struct drm_device *dev,
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struct drm_mode_fb_cmd *mode_cmd,
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struct drm_framebuffer **fb,
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struct drm_gem_object *obj);
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extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
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extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
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extern void intel_setup_overlay(struct drm_device *dev);
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extern void intel_cleanup_overlay(struct drm_device *dev);
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extern int intel_overlay_switch_off(struct intel_overlay *overlay);
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extern int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
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int interruptible);
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extern int intel_overlay_put_image(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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extern int intel_overlay_attrs(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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#endif /* __INTEL_DRV_H__ */
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