/* * Copyright (c) 2006 Dave Airlie * Copyright (c) 2007-2008 Intel Corporation * Jesse Barnes * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #ifndef __INTEL_DRV_H__ #define __INTEL_DRV_H__ #include #include #include "i915_drv.h" #include #include #include #include /** * _wait_for - magic (register) wait macro * * Does the right thing for modeset paths when run under kdgb or similar atomic * contexts. Note that it's important that we check the condition again after * having timed out, since the timeout could be due to preemption or similar and * we've never had a chance to check the condition before the timeout. */ #define _wait_for(COND, MS, W) ({ \ unsigned long timeout__ = jiffies + msecs_to_jiffies(MS) + 1; \ int ret__ = 0; \ while (!(COND)) { \ if (time_after(jiffies, timeout__)) { \ if (!(COND)) \ ret__ = -ETIMEDOUT; \ break; \ } \ if (W && drm_can_sleep()) { \ msleep(W); \ } else { \ cpu_relax(); \ } \ } \ ret__; \ }) #define wait_for(COND, MS) _wait_for(COND, MS, 1) #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0) #define wait_for_atomic_us(COND, US) _wait_for((COND), \ DIV_ROUND_UP((US), 1000), 0) #define KHz(x) (1000*x) #define MHz(x) KHz(1000*x) /* * Display related stuff */ /* store information about an Ixxx DVO */ /* The i830->i865 use multiple DVOs with multiple i2cs */ /* the i915, i945 have a single sDVO i2c bus - which is different */ #define MAX_OUTPUTS 6 /* maximum connectors per crtcs in the mode set */ #define INTELFB_CONN_LIMIT 4 #define INTEL_I2C_BUS_DVO 1 #define INTEL_I2C_BUS_SDVO 2 /* these are outputs from the chip - integrated only external chips are via DVO or SDVO output */ #define INTEL_OUTPUT_UNUSED 0 #define INTEL_OUTPUT_ANALOG 1 #define INTEL_OUTPUT_DVO 2 #define INTEL_OUTPUT_SDVO 3 #define INTEL_OUTPUT_LVDS 4 #define INTEL_OUTPUT_TVOUT 5 #define INTEL_OUTPUT_HDMI 6 #define INTEL_OUTPUT_DISPLAYPORT 7 #define INTEL_OUTPUT_EDP 8 #define INTEL_OUTPUT_UNKNOWN 9 #define INTEL_DVO_CHIP_NONE 0 #define INTEL_DVO_CHIP_LVDS 1 #define INTEL_DVO_CHIP_TMDS 2 #define INTEL_DVO_CHIP_TVOUT 4 struct intel_framebuffer { struct drm_framebuffer base; struct drm_i915_gem_object *obj; }; struct intel_fbdev { struct drm_fb_helper helper; struct intel_framebuffer ifb; struct list_head fbdev_list; struct drm_display_mode *our_mode; }; struct intel_encoder { struct drm_encoder base; /* * The new crtc this encoder will be driven from. Only differs from * base->crtc while a modeset is in progress. */ struct intel_crtc *new_crtc; int type; bool needs_tv_clock; /* * Intel hw has only one MUX where encoders could be clone, hence a * simple flag is enough to compute the possible_clones mask. */ bool cloneable; bool connectors_active; void (*hot_plug)(struct intel_encoder *); bool (*compute_config)(struct intel_encoder *, struct intel_crtc_config *); void (*pre_pll_enable)(struct intel_encoder *); void (*pre_enable)(struct intel_encoder *); void (*enable)(struct intel_encoder *); void (*mode_set)(struct intel_encoder *intel_encoder); void (*disable)(struct intel_encoder *); void (*post_disable)(struct intel_encoder *); /* Read out the current hw state of this connector, returning true if * the encoder is active. If the encoder is enabled it also set the pipe * it is connected to in the pipe parameter. */ bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe); int crtc_mask; enum hpd_pin hpd_pin; }; struct intel_panel { struct drm_display_mode *fixed_mode; int fitting_mode; }; struct intel_connector { struct drm_connector base; /* * The fixed encoder this connector is connected to. */ struct intel_encoder *encoder; /* * The new encoder this connector will be driven. Only differs from * encoder while a modeset is in progress. */ struct intel_encoder *new_encoder; /* Reads out the current hw, returning true if the connector is enabled * and active (i.e. dpms ON state). */ bool (*get_hw_state)(struct intel_connector *); /* Panel info for eDP and LVDS */ struct intel_panel panel; /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */ struct edid *edid; /* since POLL and HPD connectors may use the same HPD line keep the native state of connector->polled in case hotplug storm detection changes it */ u8 polled; }; typedef struct dpll { /* given values */ int n; int m1, m2; int p1, p2; /* derived values */ int dot; int vco; int m; int p; } intel_clock_t; struct intel_crtc_config { struct drm_display_mode requested_mode; struct drm_display_mode adjusted_mode; /* This flag must be set by the encoder's compute_config callback if it * changes the crtc timings in the mode to prevent the crtc fixup from * overwriting them. Currently only lvds needs that. */ bool timings_set; /* Whether to set up the PCH/FDI. Note that we never allow sharing * between pch encoders and cpu encoders. */ bool has_pch_encoder; /* CPU Transcoder for the pipe. Currently this can only differ from the * pipe on Haswell (where we have a special eDP transcoder). */ enum transcoder cpu_transcoder; /* * Use reduced/limited/broadcast rbg range, compressing from the full * range fed into the crtcs. */ bool limited_color_range; /* DP has a bunch of special case unfortunately, so mark the pipe * accordingly. */ bool has_dp_encoder; bool dither; /* Controls for the clock computation, to override various stages. */ bool clock_set; /* Settings for the intel dpll used on pretty much everything but * haswell. */ struct dpll dpll; int pipe_bpp; struct intel_link_m_n dp_m_n; /** * This is currently used by DP and HDMI encoders since those can have a * target pixel clock != the port link clock (which is currently stored * in adjusted_mode->clock). */ int pixel_target_clock; /* Used by SDVO (and if we ever fix it, HDMI). */ unsigned pixel_multiplier; }; struct intel_crtc { struct drm_crtc base; enum pipe pipe; enum plane plane; u8 lut_r[256], lut_g[256], lut_b[256]; /* * Whether the crtc and the connected output pipeline is active. Implies * that crtc->enabled is set, i.e. the current mode configuration has * some outputs connected to this crtc. */ bool active; bool eld_vld; bool primary_disabled; /* is the crtc obscured by a plane? */ bool lowfreq_avail; struct intel_overlay *overlay; struct intel_unpin_work *unpin_work; int fdi_lanes; atomic_t unpin_work_count; /* Display surface base address adjustement for pageflips. Note that on * gen4+ this only adjusts up to a tile, offsets within a tile are * handled in the hw itself (with the TILEOFF register). */ unsigned long dspaddr_offset; struct drm_i915_gem_object *cursor_bo; uint32_t cursor_addr; int16_t cursor_x, cursor_y; int16_t cursor_width, cursor_height; bool cursor_visible; struct intel_crtc_config config; /* We can share PLLs across outputs if the timings match */ struct intel_pch_pll *pch_pll; uint32_t ddi_pll_sel; /* reset counter value when the last flip was submitted */ unsigned int reset_counter; /* Access to these should be protected by dev_priv->irq_lock. */ bool cpu_fifo_underrun_disabled; bool pch_fifo_underrun_disabled; }; struct intel_plane { struct drm_plane base; int plane; enum pipe pipe; struct drm_i915_gem_object *obj; bool can_scale; int max_downscale; u32 lut_r[1024], lut_g[1024], lut_b[1024]; int crtc_x, crtc_y; unsigned int crtc_w, crtc_h; uint32_t src_x, src_y; uint32_t src_w, src_h; void (*update_plane)(struct drm_plane *plane, struct drm_framebuffer *fb, struct drm_i915_gem_object *obj, int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, uint32_t x, uint32_t y, uint32_t src_w, uint32_t src_h); void (*disable_plane)(struct drm_plane *plane); int (*update_colorkey)(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key); void (*get_colorkey)(struct drm_plane *plane, struct drm_intel_sprite_colorkey *key); }; struct intel_watermark_params { unsigned long fifo_size; unsigned long max_wm; unsigned long default_wm; unsigned long guard_size; unsigned long cacheline_size; }; struct cxsr_latency { int is_desktop; int is_ddr3; unsigned long fsb_freq; unsigned long mem_freq; unsigned long display_sr; unsigned long display_hpll_disable; unsigned long cursor_sr; unsigned long cursor_hpll_disable; }; #define to_intel_crtc(x) container_of(x, struct intel_crtc, base) #define to_intel_connector(x) container_of(x, struct intel_connector, base) #define to_intel_encoder(x) container_of(x, struct intel_encoder, base) #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base) #define to_intel_plane(x) container_of(x, struct intel_plane, base) #define DIP_HEADER_SIZE 5 #define DIP_TYPE_AVI 0x82 #define DIP_VERSION_AVI 0x2 #define DIP_LEN_AVI 13 #define DIP_AVI_PR_1 0 #define DIP_AVI_PR_2 1 #define DIP_AVI_RGB_QUANT_RANGE_DEFAULT (0 << 2) #define DIP_AVI_RGB_QUANT_RANGE_LIMITED (1 << 2) #define DIP_AVI_RGB_QUANT_RANGE_FULL (2 << 2) #define DIP_TYPE_SPD 0x83 #define DIP_VERSION_SPD 0x1 #define DIP_LEN_SPD 25 #define DIP_SPD_UNKNOWN 0 #define DIP_SPD_DSTB 0x1 #define DIP_SPD_DVDP 0x2 #define DIP_SPD_DVHS 0x3 #define DIP_SPD_HDDVR 0x4 #define DIP_SPD_DVC 0x5 #define DIP_SPD_DSC 0x6 #define DIP_SPD_VCD 0x7 #define DIP_SPD_GAME 0x8 #define DIP_SPD_PC 0x9 #define DIP_SPD_BD 0xa #define DIP_SPD_SCD 0xb struct dip_infoframe { uint8_t type; /* HB0 */ uint8_t ver; /* HB1 */ uint8_t len; /* HB2 - body len, not including checksum */ uint8_t ecc; /* Header ECC */ uint8_t checksum; /* PB0 */ union { struct { /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */ uint8_t Y_A_B_S; /* PB2 - C 7:6, M 5:4, R 3:0 */ uint8_t C_M_R; /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */ uint8_t ITC_EC_Q_SC; /* PB4 - VIC 6:0 */ uint8_t VIC; /* PB5 - YQ 7:6, CN 5:4, PR 3:0 */ uint8_t YQ_CN_PR; /* PB6 to PB13 */ uint16_t top_bar_end; uint16_t bottom_bar_start; uint16_t left_bar_end; uint16_t right_bar_start; } __attribute__ ((packed)) avi; struct { uint8_t vn[8]; uint8_t pd[16]; uint8_t sdi; } __attribute__ ((packed)) spd; uint8_t payload[27]; } __attribute__ ((packed)) body; } __attribute__((packed)); struct intel_hdmi { u32 hdmi_reg; int ddc_bus; uint32_t color_range; bool color_range_auto; bool has_hdmi_sink; bool has_audio; enum hdmi_force_audio force_audio; bool rgb_quant_range_selectable; void (*write_infoframe)(struct drm_encoder *encoder, struct dip_infoframe *frame); void (*set_infoframes)(struct drm_encoder *encoder, struct drm_display_mode *adjusted_mode); }; #define DP_MAX_DOWNSTREAM_PORTS 0x10 #define DP_LINK_CONFIGURATION_SIZE 9 struct intel_dp { uint32_t output_reg; uint32_t aux_ch_ctl_reg; uint32_t DP; uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE]; bool has_audio; enum hdmi_force_audio force_audio; uint32_t color_range; bool color_range_auto; uint8_t link_bw; uint8_t lane_count; uint8_t dpcd[DP_RECEIVER_CAP_SIZE]; uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; struct i2c_adapter adapter; struct i2c_algo_dp_aux_data algo; bool is_pch_edp; uint8_t train_set[4]; int panel_power_up_delay; int panel_power_down_delay; int panel_power_cycle_delay; int backlight_on_delay; int backlight_off_delay; struct delayed_work panel_vdd_work; bool want_panel_vdd; struct intel_connector *attached_connector; }; struct intel_digital_port { struct intel_encoder base; enum port port; u32 port_reversal; struct intel_dp dp; struct intel_hdmi hdmi; }; static inline int vlv_dport_to_channel(struct intel_digital_port *dport) { switch (dport->port) { case PORT_B: return 0; case PORT_C: return 1; default: BUG(); } } static inline struct drm_crtc * intel_get_crtc_for_pipe(struct drm_device *dev, int pipe) { struct drm_i915_private *dev_priv = dev->dev_private; return dev_priv->pipe_to_crtc_mapping[pipe]; } static inline struct drm_crtc * intel_get_crtc_for_plane(struct drm_device *dev, int plane) { struct drm_i915_private *dev_priv = dev->dev_private; return dev_priv->plane_to_crtc_mapping[plane]; } struct intel_unpin_work { struct work_struct work; struct drm_crtc *crtc; struct drm_i915_gem_object *old_fb_obj; struct drm_i915_gem_object *pending_flip_obj; struct drm_pending_vblank_event *event; atomic_t pending; #define INTEL_FLIP_INACTIVE 0 #define INTEL_FLIP_PENDING 1 #define INTEL_FLIP_COMPLETE 2 bool enable_stall_check; }; struct intel_fbc_work { struct delayed_work work; struct drm_crtc *crtc; struct drm_framebuffer *fb; int interval; }; int intel_pch_rawclk(struct drm_device *dev); int intel_connector_update_modes(struct drm_connector *connector, struct edid *edid); int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter); extern void intel_attach_force_audio_property(struct drm_connector *connector); extern void intel_attach_broadcast_rgb_property(struct drm_connector *connector); extern bool intel_pipe_has_type(struct drm_crtc *crtc, int type); extern void intel_crt_init(struct drm_device *dev); extern void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port); extern void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, struct intel_connector *intel_connector); extern struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder); extern bool intel_hdmi_compute_config(struct intel_encoder *encoder, struct intel_crtc_config *pipe_config); extern void intel_dip_infoframe_csum(struct dip_infoframe *avi_if); extern bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob); extern void intel_dvo_init(struct drm_device *dev); extern void intel_tv_init(struct drm_device *dev); extern void intel_mark_busy(struct drm_device *dev); extern void intel_mark_fb_busy(struct drm_i915_gem_object *obj); extern void intel_mark_idle(struct drm_device *dev); extern bool intel_lvds_init(struct drm_device *dev); extern bool intel_is_dual_link_lvds(struct drm_device *dev); extern void intel_dp_init(struct drm_device *dev, int output_reg, enum port port); extern void intel_dp_init_connector(struct intel_digital_port *intel_dig_port, struct intel_connector *intel_connector); extern void intel_dp_init_link_config(struct intel_dp *intel_dp); extern void intel_dp_start_link_train(struct intel_dp *intel_dp); extern void intel_dp_complete_link_train(struct intel_dp *intel_dp); extern void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode); extern void intel_dp_encoder_destroy(struct drm_encoder *encoder); extern void intel_dp_check_link_status(struct intel_dp *intel_dp); extern bool intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_config *pipe_config); extern bool intel_dpd_is_edp(struct drm_device *dev); extern void ironlake_edp_backlight_on(struct intel_dp *intel_dp); extern void ironlake_edp_backlight_off(struct intel_dp *intel_dp); extern void ironlake_edp_panel_on(struct intel_dp *intel_dp); extern void ironlake_edp_panel_off(struct intel_dp *intel_dp); extern void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp); extern void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp, bool sync); extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder); extern int intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane); extern void intel_flush_display_plane(struct drm_i915_private *dev_priv, enum plane plane); /* intel_panel.c */ extern int intel_panel_init(struct intel_panel *panel, struct drm_display_mode *fixed_mode); extern void intel_panel_fini(struct intel_panel *panel); extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, struct drm_display_mode *adjusted_mode); extern void intel_pch_panel_fitting(struct drm_device *dev, int fitting_mode, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); extern u32 intel_panel_get_max_backlight(struct drm_device *dev); extern void intel_panel_set_backlight(struct drm_device *dev, u32 level); extern int intel_panel_setup_backlight(struct drm_connector *connector); extern void intel_panel_enable_backlight(struct drm_device *dev, enum pipe pipe); extern void intel_panel_disable_backlight(struct drm_device *dev); extern void intel_panel_destroy_backlight(struct drm_device *dev); extern enum drm_connector_status intel_panel_detect(struct drm_device *dev); struct intel_set_config { struct drm_encoder **save_connector_encoders; struct drm_crtc **save_encoder_crtcs; bool fb_changed; bool mode_changed; }; extern int intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, int x, int y, struct drm_framebuffer *old_fb); extern void intel_modeset_disable(struct drm_device *dev); extern void intel_crtc_restore_mode(struct drm_crtc *crtc); extern void intel_crtc_load_lut(struct drm_crtc *crtc); extern void intel_crtc_update_dpms(struct drm_crtc *crtc); extern void intel_encoder_destroy(struct drm_encoder *encoder); extern void intel_encoder_dpms(struct intel_encoder *encoder, int mode); extern bool intel_encoder_check_is_cloned(struct intel_encoder *encoder); extern void intel_connector_dpms(struct drm_connector *, int mode); extern bool intel_connector_get_hw_state(struct intel_connector *connector); extern void intel_modeset_check_state(struct drm_device *dev); extern void intel_plane_restore(struct drm_plane *plane); static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector) { return to_intel_connector(connector)->encoder; } static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder) { struct intel_digital_port *intel_dig_port = container_of(encoder, struct intel_digital_port, base.base); return &intel_dig_port->dp; } static inline struct intel_digital_port * enc_to_dig_port(struct drm_encoder *encoder) { return container_of(encoder, struct intel_digital_port, base.base); } static inline struct intel_digital_port * dp_to_dig_port(struct intel_dp *intel_dp) { return container_of(intel_dp, struct intel_digital_port, dp); } static inline struct intel_digital_port * hdmi_to_dig_port(struct intel_hdmi *intel_hdmi) { return container_of(intel_hdmi, struct intel_digital_port, hdmi); } bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, struct intel_digital_port *port); extern void intel_connector_attach_encoder(struct intel_connector *connector, struct intel_encoder *encoder); extern struct drm_encoder *intel_best_encoder(struct drm_connector *connector); extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, struct drm_crtc *crtc); int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, struct drm_file *file_priv); extern enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, enum pipe pipe); extern void intel_wait_for_vblank(struct drm_device *dev, int pipe); extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe); extern int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp); extern void vlv_wait_port_ready(struct drm_i915_private *dev_priv, int port); struct intel_load_detect_pipe { struct drm_framebuffer *release_fb; bool load_detect_temp; int dpms_mode; }; extern bool intel_get_load_detect_pipe(struct drm_connector *connector, struct drm_display_mode *mode, struct intel_load_detect_pipe *old); extern void intel_release_load_detect_pipe(struct drm_connector *connector, struct intel_load_detect_pipe *old); extern void intelfb_restore(void); extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno); extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, int regno); extern void intel_enable_clock_gating(struct drm_device *dev); extern int intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_i915_gem_object *obj, struct intel_ring_buffer *pipelined); extern void intel_unpin_fb_obj(struct drm_i915_gem_object *obj); extern int intel_framebuffer_init(struct drm_device *dev, struct intel_framebuffer *ifb, struct drm_mode_fb_cmd2 *mode_cmd, struct drm_i915_gem_object *obj); extern int intel_fbdev_init(struct drm_device *dev); extern void intel_fbdev_initial_config(struct drm_device *dev); extern void intel_fbdev_fini(struct drm_device *dev); extern void intel_fbdev_set_suspend(struct drm_device *dev, int state); extern void intel_prepare_page_flip(struct drm_device *dev, int plane); extern void intel_finish_page_flip(struct drm_device *dev, int pipe); extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane); extern void intel_setup_overlay(struct drm_device *dev); extern void intel_cleanup_overlay(struct drm_device *dev); extern int intel_overlay_switch_off(struct intel_overlay *overlay); extern int intel_overlay_put_image(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int intel_overlay_attrs(struct drm_device *dev, void *data, struct drm_file *file_priv); extern void intel_fb_output_poll_changed(struct drm_device *dev); extern void intel_fb_restore_mode(struct drm_device *dev); extern void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state); #define assert_pipe_enabled(d, p) assert_pipe(d, p, true) #define assert_pipe_disabled(d, p) assert_pipe(d, p, false) extern void intel_init_clock_gating(struct drm_device *dev); extern void intel_write_eld(struct drm_encoder *encoder, struct drm_display_mode *mode); extern void intel_cpt_verify_modeset(struct drm_device *dev, int pipe); extern void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, struct intel_link_m_n *m_n); extern void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, struct intel_link_m_n *m_n); extern void intel_prepare_ddi(struct drm_device *dev); extern void hsw_fdi_link_train(struct drm_crtc *crtc); extern void intel_ddi_init(struct drm_device *dev, enum port port); /* For use by IVB LP watermark workaround in intel_sprite.c */ extern void intel_update_watermarks(struct drm_device *dev); extern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe, uint32_t sprite_width, int pixel_size); extern void intel_update_linetime_watermarks(struct drm_device *dev, int pipe, struct drm_display_mode *mode); extern unsigned long intel_gen4_compute_page_offset(int *x, int *y, unsigned int tiling_mode, unsigned int bpp, unsigned int pitch); extern int intel_sprite_set_colorkey(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int intel_sprite_get_colorkey(struct drm_device *dev, void *data, struct drm_file *file_priv); extern u32 intel_dpio_read(struct drm_i915_private *dev_priv, int reg); extern void intel_dpio_write(struct drm_i915_private *dev_priv, int reg, u32 val); /* Power-related functions, located in intel_pm.c */ extern void intel_init_pm(struct drm_device *dev); /* FBC */ extern bool intel_fbc_enabled(struct drm_device *dev); extern void intel_enable_fbc(struct drm_crtc *crtc, unsigned long interval); extern void intel_update_fbc(struct drm_device *dev); /* IPS */ extern void intel_gpu_ips_init(struct drm_i915_private *dev_priv); extern void intel_gpu_ips_teardown(void); extern bool intel_using_power_well(struct drm_device *dev); extern void intel_init_power_well(struct drm_device *dev); extern void intel_set_power_well(struct drm_device *dev, bool enable); extern void intel_enable_gt_powersave(struct drm_device *dev); extern void intel_disable_gt_powersave(struct drm_device *dev); extern void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv); extern void ironlake_teardown_rc6(struct drm_device *dev); extern bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe); extern int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv); extern void intel_ddi_pll_init(struct drm_device *dev); extern void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc); extern void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder); extern void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc); extern void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc); extern void intel_ddi_setup_hw_pll_state(struct drm_device *dev); extern bool intel_ddi_pll_mode_set(struct drm_crtc *crtc, int clock); extern void intel_ddi_put_crtc_pll(struct drm_crtc *crtc); extern void intel_ddi_set_pipe_settings(struct drm_crtc *crtc); extern void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder); extern bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); extern void intel_ddi_fdi_disable(struct drm_crtc *crtc); extern void intel_display_handle_reset(struct drm_device *dev); extern bool intel_set_cpu_fifo_underrun_reporting(struct drm_device *dev, enum pipe pipe, bool enable); extern bool intel_set_pch_fifo_underrun_reporting(struct drm_device *dev, enum transcoder pch_transcoder, bool enable); #endif /* __INTEL_DRV_H__ */