/* * Copyright © 2006-2019 Intel Corporation * * 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_DISPLAY_H_ #define _INTEL_DISPLAY_H_ #include #include "i915_reg_defs.h" #include "intel_display_limits.h" enum drm_scaling_filter; struct dpll; struct drm_atomic_state; struct drm_connector; struct drm_device; struct drm_display_mode; struct drm_encoder; struct drm_file; struct drm_format_info; struct drm_framebuffer; struct drm_i915_gem_object; struct drm_i915_private; struct drm_mode_fb_cmd2; struct drm_modeset_acquire_ctx; struct drm_plane; struct drm_plane_state; struct i915_address_space; struct i915_gtt_view; struct intel_atomic_state; struct intel_crtc; struct intel_crtc_state; struct intel_digital_port; struct intel_dp; struct intel_encoder; struct intel_initial_plane_config; struct intel_link_m_n; struct intel_plane; struct intel_plane_state; struct intel_power_domain_mask; struct intel_remapped_info; struct intel_rotation_info; struct pci_dev; struct work_struct; #define pipe_name(p) ((p) + 'A') static inline const char *transcoder_name(enum transcoder transcoder) { switch (transcoder) { case TRANSCODER_A: return "A"; case TRANSCODER_B: return "B"; case TRANSCODER_C: return "C"; case TRANSCODER_D: return "D"; case TRANSCODER_EDP: return "EDP"; case TRANSCODER_DSI_A: return "DSI A"; case TRANSCODER_DSI_C: return "DSI C"; default: return ""; } } static inline bool transcoder_is_dsi(enum transcoder transcoder) { return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C; } /* * Global legacy plane identifier. Valid only for primary/sprite * planes on pre-g4x, and only for primary planes on g4x-bdw. */ enum i9xx_plane_id { PLANE_A, PLANE_B, PLANE_C, }; #define plane_name(p) ((p) + 'A') #define sprite_name(p, s) ((p) * DISPLAY_RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A') #define for_each_plane_id_on_crtc(__crtc, __p) \ for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \ for_each_if((__crtc)->plane_ids_mask & BIT(__p)) #define for_each_dbuf_slice(__dev_priv, __slice) \ for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \ for_each_if(DISPLAY_INFO(__dev_priv)->dbuf.slice_mask & BIT(__slice)) #define for_each_dbuf_slice_in_mask(__dev_priv, __slice, __mask) \ for_each_dbuf_slice((__dev_priv), (__slice)) \ for_each_if((__mask) & BIT(__slice)) #define port_name(p) ((p) + 'A') /* * Ports identifier referenced from other drivers. * Expected to remain stable over time */ static inline const char *port_identifier(enum port port) { switch (port) { case PORT_A: return "Port A"; case PORT_B: return "Port B"; case PORT_C: return "Port C"; case PORT_D: return "Port D"; case PORT_E: return "Port E"; case PORT_F: return "Port F"; case PORT_G: return "Port G"; case PORT_H: return "Port H"; case PORT_I: return "Port I"; default: return ""; } } enum tc_port { TC_PORT_NONE = -1, TC_PORT_1 = 0, TC_PORT_2, TC_PORT_3, TC_PORT_4, TC_PORT_5, TC_PORT_6, I915_MAX_TC_PORTS }; enum aux_ch { AUX_CH_NONE = -1, AUX_CH_A, AUX_CH_B, AUX_CH_C, AUX_CH_D, AUX_CH_E, /* ICL+ */ AUX_CH_F, AUX_CH_G, AUX_CH_H, AUX_CH_I, /* tgl+ */ AUX_CH_USBC1 = AUX_CH_D, AUX_CH_USBC2, AUX_CH_USBC3, AUX_CH_USBC4, AUX_CH_USBC5, AUX_CH_USBC6, /* XE_LPD repositions D/E offsets and bitfields */ AUX_CH_D_XELPD = AUX_CH_USBC5, AUX_CH_E_XELPD, }; #define aux_ch_name(a) ((a) + 'A') enum phy { PHY_NONE = -1, PHY_A = 0, PHY_B, PHY_C, PHY_D, PHY_E, PHY_F, PHY_G, PHY_H, PHY_I, I915_MAX_PHYS }; #define phy_name(a) ((a) + 'A') enum phy_fia { FIA1, FIA2, FIA3, }; #define for_each_hpd_pin(__pin) \ for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++) #define for_each_pipe(__dev_priv, __p) \ for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \ for_each_if(DISPLAY_RUNTIME_INFO(__dev_priv)->pipe_mask & BIT(__p)) #define for_each_pipe_masked(__dev_priv, __p, __mask) \ for_each_pipe(__dev_priv, __p) \ for_each_if((__mask) & BIT(__p)) #define for_each_cpu_transcoder(__dev_priv, __t) \ for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++) \ for_each_if (DISPLAY_RUNTIME_INFO(__dev_priv)->cpu_transcoder_mask & BIT(__t)) #define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \ for_each_cpu_transcoder(__dev_priv, __t) \ for_each_if ((__mask) & BIT(__t)) #define for_each_sprite(__dev_priv, __p, __s) \ for ((__s) = 0; \ (__s) < DISPLAY_RUNTIME_INFO(__dev_priv)->num_sprites[(__p)]; \ (__s)++) #define for_each_port(__port) \ for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) #define for_each_port_masked(__port, __ports_mask) \ for_each_port(__port) \ for_each_if((__ports_mask) & BIT(__port)) #define for_each_phy_masked(__phy, __phys_mask) \ for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++) \ for_each_if((__phys_mask) & BIT(__phy)) #define for_each_crtc(dev, crtc) \ list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) #define for_each_intel_plane(dev, intel_plane) \ list_for_each_entry(intel_plane, \ &(dev)->mode_config.plane_list, \ base.head) #define for_each_intel_plane_mask(dev, intel_plane, plane_mask) \ list_for_each_entry(intel_plane, \ &(dev)->mode_config.plane_list, \ base.head) \ for_each_if((plane_mask) & \ drm_plane_mask(&intel_plane->base)) #define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) \ list_for_each_entry(intel_plane, \ &(dev)->mode_config.plane_list, \ base.head) \ for_each_if((intel_plane)->pipe == (intel_crtc)->pipe) #define for_each_intel_crtc(dev, intel_crtc) \ list_for_each_entry(intel_crtc, \ &(dev)->mode_config.crtc_list, \ base.head) #define for_each_intel_crtc_in_pipe_mask(dev, intel_crtc, pipe_mask) \ list_for_each_entry(intel_crtc, \ &(dev)->mode_config.crtc_list, \ base.head) \ for_each_if((pipe_mask) & BIT(intel_crtc->pipe)) #define for_each_intel_encoder(dev, intel_encoder) \ list_for_each_entry(intel_encoder, \ &(dev)->mode_config.encoder_list, \ base.head) #define for_each_intel_encoder_mask(dev, intel_encoder, encoder_mask) \ list_for_each_entry(intel_encoder, \ &(dev)->mode_config.encoder_list, \ base.head) \ for_each_if((encoder_mask) & \ drm_encoder_mask(&intel_encoder->base)) #define for_each_intel_encoder_mask_with_psr(dev, intel_encoder, encoder_mask) \ list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ for_each_if(((encoder_mask) & drm_encoder_mask(&(intel_encoder)->base)) && \ intel_encoder_can_psr(intel_encoder)) #define for_each_intel_dp(dev, intel_encoder) \ for_each_intel_encoder(dev, intel_encoder) \ for_each_if(intel_encoder_is_dp(intel_encoder)) #define for_each_intel_encoder_with_psr(dev, intel_encoder) \ for_each_intel_encoder((dev), (intel_encoder)) \ for_each_if(intel_encoder_can_psr(intel_encoder)) #define for_each_intel_connector_iter(intel_connector, iter) \ while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter)))) #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \ list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \ for_each_if((intel_encoder)->base.crtc == (__crtc)) #define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, __i) \ for ((__i) = 0; \ (__i) < (__state)->base.dev->mode_config.num_total_plane && \ ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), 1); \ (__i)++) \ for_each_if(plane) #define for_each_old_intel_crtc_in_state(__state, crtc, old_crtc_state, __i) \ for ((__i) = 0; \ (__i) < (__state)->base.dev->mode_config.num_crtc && \ ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), 1); \ (__i)++) \ for_each_if(crtc) #define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \ for ((__i) = 0; \ (__i) < (__state)->base.dev->mode_config.num_total_plane && \ ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ (__i)++) \ for_each_if(plane) #define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \ for ((__i) = 0; \ (__i) < (__state)->base.dev->mode_config.num_crtc && \ ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ (__i)++) \ for_each_if(crtc) #define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \ for ((__i) = 0; \ (__i) < (__state)->base.dev->mode_config.num_total_plane && \ ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \ (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \ (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \ (__i)++) \ for_each_if(plane) #define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \ for ((__i) = 0; \ (__i) < (__state)->base.dev->mode_config.num_crtc && \ ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ (__i)++) \ for_each_if(crtc) #define for_each_oldnew_intel_crtc_in_state_reverse(__state, crtc, old_crtc_state, new_crtc_state, __i) \ for ((__i) = (__state)->base.dev->mode_config.num_crtc - 1; \ (__i) >= 0 && \ ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \ (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \ (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \ (__i)--) \ for_each_if(crtc) #define intel_atomic_crtc_state_for_each_plane_state( \ plane, plane_state, \ crtc_state) \ for_each_intel_plane_mask(((crtc_state)->uapi.state->dev), (plane), \ ((crtc_state)->uapi.plane_mask)) \ for_each_if ((plane_state = \ to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->uapi.state, &plane->base)))) #define for_each_new_intel_connector_in_state(__state, connector, new_connector_state, __i) \ for ((__i) = 0; \ (__i) < (__state)->base.num_connector; \ (__i)++) \ for_each_if ((__state)->base.connectors[__i].ptr && \ ((connector) = to_intel_connector((__state)->base.connectors[__i].ptr), \ (new_connector_state) = to_intel_digital_connector_state((__state)->base.connectors[__i].new_state), 1)) int intel_atomic_check(struct drm_device *dev, struct drm_atomic_state *state); int intel_atomic_add_affected_planes(struct intel_atomic_state *state, struct intel_crtc *crtc); u8 intel_calc_active_pipes(struct intel_atomic_state *state, u8 active_pipes); void intel_link_compute_m_n(u16 bpp, int nlanes, int pixel_clock, int link_clock, struct intel_link_m_n *m_n, bool fec_enable); u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv, u32 pixel_format, u64 modifier); enum drm_mode_status intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv, const struct drm_display_mode *mode, bool bigjoiner); enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port); bool is_trans_port_sync_mode(const struct intel_crtc_state *state); bool is_trans_port_sync_master(const struct intel_crtc_state *state); bool intel_crtc_is_bigjoiner_slave(const struct intel_crtc_state *crtc_state); bool intel_crtc_is_bigjoiner_master(const struct intel_crtc_state *crtc_state); u8 intel_crtc_bigjoiner_slave_pipes(const struct intel_crtc_state *crtc_state); struct intel_crtc *intel_master_crtc(const struct intel_crtc_state *crtc_state); bool intel_crtc_get_pipe_config(struct intel_crtc_state *crtc_state); bool intel_pipe_config_compare(const struct intel_crtc_state *current_config, const struct intel_crtc_state *pipe_config, bool fastset); void intel_plane_destroy(struct drm_plane *plane); void i9xx_set_pipeconf(const struct intel_crtc_state *crtc_state); void ilk_set_pipeconf(const struct intel_crtc_state *crtc_state); void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state); void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state); void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); int vlv_get_hpll_vco(struct drm_i915_private *dev_priv); int vlv_get_cck_clock(struct drm_i915_private *dev_priv, const char *name, u32 reg, int ref_freq); int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, const char *name, u32 reg); void intel_init_display_hooks(struct drm_i915_private *dev_priv); unsigned int intel_fb_xy_to_linear(int x, int y, const struct intel_plane_state *state, int plane); void intel_add_fb_offsets(int *x, int *y, const struct intel_plane_state *state, int plane); unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info); bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv); void intel_encoder_destroy(struct drm_encoder *encoder); struct drm_display_mode * intel_encoder_current_mode(struct intel_encoder *encoder); void intel_encoder_get_config(struct intel_encoder *encoder, struct intel_crtc_state *crtc_state); bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy); bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy); bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy); enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, enum port port); int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int ilk_get_lanes_required(int target_clock, int link_bw, int bpp); void vlv_wait_port_ready(struct drm_i915_private *dev_priv, struct intel_digital_port *dig_port, unsigned int expected_mask); struct drm_framebuffer * intel_framebuffer_create(struct drm_i915_gem_object *obj, struct drm_mode_fb_cmd2 *mode_cmd); bool intel_fuzzy_clock_check(int clock1, int clock2); void intel_zero_m_n(struct intel_link_m_n *m_n); void intel_set_m_n(struct drm_i915_private *i915, const struct intel_link_m_n *m_n, i915_reg_t data_m_reg, i915_reg_t data_n_reg, i915_reg_t link_m_reg, i915_reg_t link_n_reg); void intel_get_m_n(struct drm_i915_private *i915, struct intel_link_m_n *m_n, i915_reg_t data_m_reg, i915_reg_t data_n_reg, i915_reg_t link_m_reg, i915_reg_t link_n_reg); bool intel_cpu_transcoder_has_m2_n2(struct drm_i915_private *dev_priv, enum transcoder transcoder); void intel_cpu_transcoder_set_m1_n1(struct intel_crtc *crtc, enum transcoder cpu_transcoder, const struct intel_link_m_n *m_n); void intel_cpu_transcoder_set_m2_n2(struct intel_crtc *crtc, enum transcoder cpu_transcoder, const struct intel_link_m_n *m_n); void intel_cpu_transcoder_get_m1_n1(struct intel_crtc *crtc, enum transcoder cpu_transcoder, struct intel_link_m_n *m_n); void intel_cpu_transcoder_get_m2_n2(struct intel_crtc *crtc, enum transcoder cpu_transcoder, struct intel_link_m_n *m_n); void i9xx_crtc_clock_get(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config); int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config); enum intel_display_power_domain intel_port_to_power_domain(struct intel_digital_port *dig_port); enum intel_display_power_domain intel_aux_power_domain(struct intel_digital_port *dig_port); void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state); void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state); int bdw_get_pipe_misc_bpp(struct intel_crtc *crtc); unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state); bool intel_plane_uses_fence(const struct intel_plane_state *plane_state); struct intel_encoder * intel_get_crtc_new_encoder(const struct intel_atomic_state *state, const struct intel_crtc_state *crtc_state); void intel_plane_disable_noatomic(struct intel_crtc *crtc, struct intel_plane *plane); void intel_set_plane_visible(struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state, bool visible); void intel_plane_fixup_bitmasks(struct intel_crtc_state *crtc_state); void intel_update_watermarks(struct drm_i915_private *i915); /* modesetting */ int intel_modeset_all_pipes(struct intel_atomic_state *state, const char *reason); void intel_modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state, struct intel_power_domain_mask *old_domains); void intel_modeset_put_crtc_power_domains(struct intel_crtc *crtc, struct intel_power_domain_mask *domains); /* interface for intel_display_driver.c */ void intel_setup_outputs(struct drm_i915_private *i915); int intel_initial_commit(struct drm_device *dev); void intel_panel_sanitize_ssc(struct drm_i915_private *i915); void intel_update_czclk(struct drm_i915_private *i915); void intel_atomic_helper_free_state_worker(struct work_struct *work); enum drm_mode_status intel_mode_valid(struct drm_device *dev, const struct drm_display_mode *mode); int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *_state, bool nonblock); void intel_hpd_poll_fini(struct drm_i915_private *i915); /* modesetting asserts */ void assert_transcoder(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder, bool state); #define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true) #define assert_transcoder_disabled(d, t) assert_transcoder(d, t, false) bool assert_port_valid(struct drm_i915_private *i915, enum port port); /* * Use I915_STATE_WARN(x) (rather than WARN() and WARN_ON()) for hw state sanity * checks to check for unexpected conditions which may not necessarily be a user * visible problem. This will either WARN() or DRM_ERROR() depending on the * verbose_state_checks module param, to enable distros and users to tailor * their preferred amount of i915 abrt spam. */ #define I915_STATE_WARN(__i915, condition, format...) ({ \ struct drm_device *drm = &(__i915)->drm; \ int __ret_warn_on = !!(condition); \ if (unlikely(__ret_warn_on)) \ if (!drm_WARN(drm, i915_modparams.verbose_state_checks, format)) \ drm_err(drm, format); \ unlikely(__ret_warn_on); \ }) bool intel_scanout_needs_vtd_wa(struct drm_i915_private *i915); #endif