/* * 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 "i915_drm.h" #include "i915_drv.h" #include "drm_crtc.h" #include "drm_crtc_helper.h" #include "drm_fb_helper.h" #include "drm_dp_helper.h" #define _wait_for(COND, MS, W) ({ \ unsigned long timeout__ = jiffies + msecs_to_jiffies(MS); \ int ret__ = 0; \ while (!(COND)) { \ if (time_after(jiffies, timeout__)) { \ ret__ = -ETIMEDOUT; \ break; \ } \ if (W && drm_can_sleep()) { \ msleep(W); \ } else { \ cpu_relax(); \ } \ } \ ret__; \ }) #define wait_for_atomic_us(COND, US) ({ \ unsigned long timeout__ = jiffies + usecs_to_jiffies(US); \ int ret__ = 0; \ while (!(COND)) { \ if (time_after(jiffies, timeout__)) { \ ret__ = -ETIMEDOUT; \ break; \ } \ 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 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_DVO_CHIP_NONE 0 #define INTEL_DVO_CHIP_LVDS 1 #define INTEL_DVO_CHIP_TMDS 2 #define INTEL_DVO_CHIP_TVOUT 4 /* drm_display_mode->private_flags */ #define INTEL_MODE_PIXEL_MULTIPLIER_SHIFT (0x0) #define INTEL_MODE_PIXEL_MULTIPLIER_MASK (0xf << INTEL_MODE_PIXEL_MULTIPLIER_SHIFT) #define INTEL_MODE_DP_FORCE_6BPC (0x10) /* This flag must be set by the encoder's mode_fixup if it changes the crtc * timings in the mode to prevent the crtc fixup from overwriting them. * Currently only lvds needs that. */ #define INTEL_MODE_CRTC_TIMINGS_SET (0x20) static inline void intel_mode_set_pixel_multiplier(struct drm_display_mode *mode, int multiplier) { mode->clock *= multiplier; mode->private_flags |= multiplier; } static inline int intel_mode_get_pixel_multiplier(const struct drm_display_mode *mode) { return (mode->private_flags & INTEL_MODE_PIXEL_MULTIPLIER_MASK) >> INTEL_MODE_PIXEL_MULTIPLIER_SHIFT; } 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 *); void (*pre_enable)(struct intel_encoder *); void (*enable)(struct 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; }; 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 *); }; 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 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; /* 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; unsigned int bpp; /* We can share PLLs across outputs if the timings match */ struct intel_pch_pll *pch_pll; }; struct intel_plane { struct drm_plane base; enum pipe pipe; struct drm_i915_gem_object *obj; int max_downscale; u32 lut_r[1024], lut_g[1024], lut_b[1024]; 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_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 { struct intel_encoder base; u32 sdvox_reg; int ddc_bus; int ddi_port; uint32_t color_range; bool has_hdmi_sink; bool has_audio; enum hdmi_force_audio force_audio; 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_RECEIVER_CAP_SIZE 0xf #define DP_MAX_DOWNSTREAM_PORTS 0x10 #define DP_LINK_CONFIGURATION_SIZE 9 struct intel_dp { struct intel_encoder base; uint32_t output_reg; uint32_t DP; uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE]; bool has_audio; enum hdmi_force_audio force_audio; enum port port; uint32_t color_range; 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 drm_display_mode *panel_fixed_mode; /* for eDP */ struct delayed_work panel_vdd_work; bool want_panel_vdd; struct edid *edid; /* cached EDID for eDP */ int edid_mode_count; }; 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_device *dev; struct drm_i915_gem_object *old_fb_obj; struct drm_i915_gem_object *pending_flip_obj; struct drm_pending_vblank_event *event; int pending; bool enable_stall_check; }; struct intel_fbc_work { struct delayed_work work; struct drm_crtc *crtc; struct drm_framebuffer *fb; int interval; }; 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 void intel_crt_init(struct drm_device *dev); extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg, enum port port); extern struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder); 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_idle(struct drm_device *dev); extern void intel_mark_fb_busy(struct drm_i915_gem_object *obj); extern void intel_mark_fb_idle(struct drm_i915_gem_object *obj); extern bool intel_lvds_init(struct drm_device *dev); extern void intel_dp_init(struct drm_device *dev, int output_reg, enum port port); void intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); extern bool intel_dpd_is_edp(struct drm_device *dev); extern void intel_edp_link_config(struct intel_encoder *, int *, int *); extern int intel_edp_target_clock(struct intel_encoder *, struct drm_display_mode *mode); extern bool intel_encoder_is_pch_edp(struct drm_encoder *encoder); extern int intel_plane_init(struct drm_device *dev, enum pipe pipe); extern void intel_flush_display_plane(struct drm_i915_private *dev_priv, enum plane plane); /* intel_panel.c */ 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_device *dev); 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 bool 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_load_lut(struct drm_crtc *crtc); extern void intel_crtc_update_dpms(struct drm_crtc *crtc); extern void intel_encoder_noop(struct drm_encoder *encoder); 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); static inline struct intel_encoder *intel_attached_encoder(struct drm_connector *connector) { return to_intel_connector(connector)->encoder; } 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 void intel_wait_for_vblank(struct drm_device *dev, int pipe); extern void intel_wait_for_pipe_off(struct drm_device *dev, int pipe); 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_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_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 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); /* 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 void intel_init_power_wells(struct drm_device *dev); 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 void intel_enable_ddi(struct intel_encoder *encoder); extern void intel_disable_ddi(struct intel_encoder *encoder); extern bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe); extern void intel_ddi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); extern void intel_ddi_pll_init(struct drm_device *dev); extern void intel_ddi_enable_pipe_func(struct drm_crtc *crtc); extern void intel_ddi_disable_pipe_func(struct drm_i915_private *dev_priv, enum pipe pipe); #endif /* __INTEL_DRV_H__ */