/* * 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 #include "i915_drv.h" #include "drm_crtc.h" #include "drm_crtc_helper.h" #include "drm_fb_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 && !in_dbg_master()) msleep(W); \ } \ ret__; \ }) #define wait_for(COND, MS) _wait_for(COND, MS, 1) #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0) #define MSLEEP(x) do { \ if (in_dbg_master()) \ mdelay(x); \ else \ msleep(x); \ } while(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 /* Intel Pipe Clone Bit */ #define INTEL_HDMIB_CLONE_BIT 1 #define INTEL_HDMIC_CLONE_BIT 2 #define INTEL_HDMID_CLONE_BIT 3 #define INTEL_HDMIE_CLONE_BIT 4 #define INTEL_HDMIF_CLONE_BIT 5 #define INTEL_SDVO_NON_TV_CLONE_BIT 6 #define INTEL_SDVO_TV_CLONE_BIT 7 #define INTEL_SDVO_LVDS_CLONE_BIT 8 #define INTEL_ANALOG_CLONE_BIT 9 #define INTEL_TV_CLONE_BIT 10 #define INTEL_DP_B_CLONE_BIT 11 #define INTEL_DP_C_CLONE_BIT 12 #define INTEL_DP_D_CLONE_BIT 13 #define INTEL_LVDS_CLONE_BIT 14 #define INTEL_DVO_TMDS_CLONE_BIT 15 #define INTEL_DVO_LVDS_CLONE_BIT 16 #define INTEL_EDP_CLONE_BIT 17 #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) 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_i2c_chan { struct drm_device *drm_dev; /* for getting at dev. private (mmio etc.) */ u32 reg; /* GPIO reg */ struct i2c_adapter adapter; struct i2c_algo_bit_data algo; }; struct intel_framebuffer { struct drm_framebuffer base; struct drm_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; int type; struct i2c_adapter *i2c_bus; struct i2c_adapter *ddc_bus; bool load_detect_temp; bool needs_tv_clock; void (*hot_plug)(struct intel_encoder *); int crtc_mask; int clone_mask; }; struct intel_connector { struct drm_connector base; struct intel_encoder *encoder; }; struct intel_crtc { struct drm_crtc base; enum pipe pipe; enum plane plane; u8 lut_r[256], lut_g[256], lut_b[256]; int dpms_mode; bool active; /* is the crtc on? independent of the dpms mode */ bool busy; /* is scanout buffer being updated frequently? */ struct timer_list idle_timer; bool lowfreq_avail; struct intel_overlay *overlay; struct intel_unpin_work *unpin_work; int fdi_lanes; struct drm_gem_object *cursor_bo; uint32_t cursor_addr; int16_t cursor_x, cursor_y; int16_t cursor_width, cursor_height; bool cursor_visible; }; #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) 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]; } struct intel_unpin_work { struct work_struct work; struct drm_device *dev; struct drm_gem_object *old_fb_obj; struct drm_gem_object *pending_flip_obj; struct drm_pending_vblank_event *event; int pending; bool enable_stall_check; }; struct i2c_adapter *intel_i2c_create(struct drm_device *dev, const u32 reg, const char *name); void intel_i2c_destroy(struct i2c_adapter *adapter); int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter); extern bool intel_ddc_probe(struct intel_encoder *intel_encoder); void intel_i2c_quirk_set(struct drm_device *dev, bool enable); void intel_i2c_reset_gmbus(struct drm_device *dev); extern void intel_crt_init(struct drm_device *dev); extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg); extern bool intel_sdvo_init(struct drm_device *dev, int output_device); 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, struct drm_gem_object *obj); extern void intel_lvds_init(struct drm_device *dev); extern void intel_dp_init(struct drm_device *dev, int dp_reg); void intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); extern bool intel_pch_has_edp(struct drm_crtc *crtc); extern bool intel_dpd_is_edp(struct drm_device *dev); extern void intel_edp_link_config (struct intel_encoder *, int *, int *); /* 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, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); extern u32 intel_panel_get_max_backlight(struct drm_device *dev); extern u32 intel_panel_get_backlight(struct drm_device *dev); extern void intel_panel_set_backlight(struct drm_device *dev, u32 level); extern void intel_crtc_load_lut(struct drm_crtc *crtc); extern void intel_encoder_prepare (struct drm_encoder *encoder); extern void intel_encoder_commit (struct drm_encoder *encoder); extern void intel_encoder_destroy(struct drm_encoder *encoder); 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_off(struct drm_device *dev, int pipe); extern void intel_wait_for_vblank(struct drm_device *dev, int pipe); extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder, struct drm_connector *connector, struct drm_display_mode *mode, int *dpms_mode); extern void intel_release_load_detect_pipe(struct intel_encoder *intel_encoder, struct drm_connector *connector, int dpms_mode); extern struct drm_connector* intel_sdvo_find(struct drm_device *dev, int sdvoB); extern int intel_sdvo_supports_hotplug(struct drm_connector *connector); extern void intel_sdvo_set_hotplug(struct drm_connector *connector, int enable); 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_init_clock_gating(struct drm_device *dev); extern void ironlake_enable_drps(struct drm_device *dev); extern void ironlake_disable_drps(struct drm_device *dev); extern int intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj, bool pipelined); extern int intel_framebuffer_init(struct drm_device *dev, struct intel_framebuffer *ifb, struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *obj); extern int intel_fbdev_init(struct drm_device *dev); extern void intel_fbdev_fini(struct drm_device *dev); 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, bool interruptible); 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); #endif /* __INTEL_DRV_H__ */