/* * Copyright 2008 Intel Corporation <[email protected]> * Copyright 2008 Red Hat <[email protected]> * * 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, sub license, 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 * NON-INFRINGEMENT. IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS 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. * */ #include <linux/acpi.h> #include <linux/dmi.h> #include <acpi/video.h> #include <drm/drm_edid.h> #include "i915_drv.h" #include "intel_acpi.h" #include "intel_backlight.h" #include "intel_display_types.h" #include "intel_opregion.h" #include "intel_pci_config.h" #define OPREGION_HEADER_OFFSET … #define OPREGION_ACPI_OFFSET … #define ACPI_CLID … #define ACPI_CDCK … #define OPREGION_SWSCI_OFFSET … #define OPREGION_ASLE_OFFSET … #define OPREGION_VBT_OFFSET … #define OPREGION_ASLE_EXT_OFFSET … #define OPREGION_SIGNATURE … #define MBOX_ACPI … #define MBOX_SWSCI … #define MBOX_ASLE … #define MBOX_ASLE_EXT … #define MBOX_BACKLIGHT … #define PCON_HEADLESS_SKU … struct opregion_header { … } __packed; /* OpRegion mailbox #1: public ACPI methods */ struct opregion_acpi { … } __packed; /* OpRegion mailbox #2: SWSCI */ struct opregion_swsci { … } __packed; /* OpRegion mailbox #3: ASLE */ struct opregion_asle { … } __packed; /* OpRegion mailbox #5: ASLE ext */ struct opregion_asle_ext { … } __packed; /* Driver readiness indicator */ #define ASLE_ARDY_READY … #define ASLE_ARDY_NOT_READY … /* ASLE Interrupt Command (ASLC) bits */ #define ASLC_SET_ALS_ILLUM … #define ASLC_SET_BACKLIGHT … #define ASLC_SET_PFIT … #define ASLC_SET_PWM_FREQ … #define ASLC_SUPPORTED_ROTATION_ANGLES … #define ASLC_BUTTON_ARRAY … #define ASLC_CONVERTIBLE_INDICATOR … #define ASLC_DOCKING_INDICATOR … #define ASLC_ISCT_STATE_CHANGE … #define ASLC_REQ_MSK … /* response bits */ #define ASLC_ALS_ILLUM_FAILED … #define ASLC_BACKLIGHT_FAILED … #define ASLC_PFIT_FAILED … #define ASLC_PWM_FREQ_FAILED … #define ASLC_ROTATION_ANGLES_FAILED … #define ASLC_BUTTON_ARRAY_FAILED … #define ASLC_CONVERTIBLE_FAILED … #define ASLC_DOCKING_FAILED … #define ASLC_ISCT_STATE_FAILED … /* Technology enabled indicator */ #define ASLE_TCHE_ALS_EN … #define ASLE_TCHE_BLC_EN … #define ASLE_TCHE_PFIT_EN … #define ASLE_TCHE_PFMB_EN … /* ASLE backlight brightness to set */ #define ASLE_BCLP_VALID … #define ASLE_BCLP_MSK … /* ASLE panel fitting request */ #define ASLE_PFIT_VALID … #define ASLE_PFIT_CENTER … #define ASLE_PFIT_STRETCH_TEXT … #define ASLE_PFIT_STRETCH_GFX … /* PWM frequency and minimum brightness */ #define ASLE_PFMB_BRIGHTNESS_MASK … #define ASLE_PFMB_BRIGHTNESS_VALID … #define ASLE_PFMB_PWM_MASK … #define ASLE_PFMB_PWM_VALID … #define ASLE_CBLV_VALID … /* IUER */ #define ASLE_IUER_DOCKING … #define ASLE_IUER_CONVERTIBLE … #define ASLE_IUER_ROTATION_LOCK_BTN … #define ASLE_IUER_VOLUME_DOWN_BTN … #define ASLE_IUER_VOLUME_UP_BTN … #define ASLE_IUER_WINDOWS_BTN … #define ASLE_IUER_POWER_BTN … #define ASLE_PHED_EDID_VALID_MASK … /* Software System Control Interrupt (SWSCI) */ #define SWSCI_SCIC_INDICATOR … #define SWSCI_SCIC_MAIN_FUNCTION_SHIFT … #define SWSCI_SCIC_MAIN_FUNCTION_MASK … #define SWSCI_SCIC_SUB_FUNCTION_SHIFT … #define SWSCI_SCIC_SUB_FUNCTION_MASK … #define SWSCI_SCIC_EXIT_PARAMETER_SHIFT … #define SWSCI_SCIC_EXIT_PARAMETER_MASK … #define SWSCI_SCIC_EXIT_STATUS_SHIFT … #define SWSCI_SCIC_EXIT_STATUS_MASK … #define SWSCI_SCIC_EXIT_STATUS_SUCCESS … #define SWSCI_FUNCTION_CODE(main, sub) … /* SWSCI: Get BIOS Data (GBDA) */ #define SWSCI_GBDA … #define SWSCI_GBDA_SUPPORTED_CALLS … #define SWSCI_GBDA_REQUESTED_CALLBACKS … #define SWSCI_GBDA_BOOT_DISPLAY_PREF … #define SWSCI_GBDA_PANEL_DETAILS … #define SWSCI_GBDA_TV_STANDARD … #define SWSCI_GBDA_INTERNAL_GRAPHICS … #define SWSCI_GBDA_SPREAD_SPECTRUM … /* SWSCI: System BIOS Callbacks (SBCB) */ #define SWSCI_SBCB … #define SWSCI_SBCB_SUPPORTED_CALLBACKS … #define SWSCI_SBCB_INIT_COMPLETION … #define SWSCI_SBCB_PRE_HIRES_SET_MODE … #define SWSCI_SBCB_POST_HIRES_SET_MODE … #define SWSCI_SBCB_DISPLAY_SWITCH … #define SWSCI_SBCB_SET_TV_FORMAT … #define SWSCI_SBCB_ADAPTER_POWER_STATE … #define SWSCI_SBCB_DISPLAY_POWER_STATE … #define SWSCI_SBCB_SET_BOOT_DISPLAY … #define SWSCI_SBCB_SET_PANEL_DETAILS … #define SWSCI_SBCB_SET_INTERNAL_GFX … #define SWSCI_SBCB_POST_HIRES_TO_DOS_FS … #define SWSCI_SBCB_SUSPEND_RESUME … #define SWSCI_SBCB_SET_SPREAD_SPECTRUM … #define SWSCI_SBCB_POST_VBE_PM … #define SWSCI_SBCB_ENABLE_DISABLE_AUDIO … #define MAX_DSLP … #define OPREGION_SIZE … struct intel_opregion { … }; static int check_swsci_function(struct intel_display *display, u32 function) { … } static int swsci(struct intel_display *display, u32 function, u32 parm, u32 *parm_out) { … } #define DISPLAY_TYPE_CRT … #define DISPLAY_TYPE_TV … #define DISPLAY_TYPE_EXTERNAL_FLAT_PANEL … #define DISPLAY_TYPE_INTERNAL_FLAT_PANEL … int intel_opregion_notify_encoder(struct intel_encoder *encoder, bool enable) { … } static const struct { … } power_state_map[] = …; int intel_opregion_notify_adapter(struct intel_display *display, pci_power_t state) { … } static u32 asle_set_backlight(struct intel_display *display, u32 bclp) { … } static u32 asle_set_als_illum(struct intel_display *display, u32 alsi) { … } static u32 asle_set_pwm_freq(struct intel_display *display, u32 pfmb) { … } static u32 asle_set_pfit(struct intel_display *display, u32 pfit) { … } static u32 asle_set_supported_rotation_angles(struct intel_display *display, u32 srot) { … } static u32 asle_set_button_array(struct intel_display *display, u32 iuer) { … } static u32 asle_set_convertible(struct intel_display *display, u32 iuer) { … } static u32 asle_set_docking(struct intel_display *display, u32 iuer) { … } static u32 asle_isct_state(struct intel_display *display) { … } static void asle_work(struct work_struct *work) { … } bool intel_opregion_asle_present(struct intel_display *display) { … } void intel_opregion_asle_intr(struct intel_display *display) { … } #define ACPI_EV_DISPLAY_SWITCH … #define ACPI_EV_LID … #define ACPI_EV_DOCK … /* * The only video events relevant to opregion are 0x80. These indicate either a * docking event, lid switch or display switch request. In Linux, these are * handled by the dock, button and video drivers. */ static int intel_opregion_video_event(struct notifier_block *nb, unsigned long val, void *data) { … } /* * Initialise the DIDL field in opregion. This passes a list of devices to * the firmware. Values are defined by section B.4.2 of the ACPI specification * (version 3) */ static void set_did(struct intel_opregion *opregion, int i, u32 val) { … } static void intel_didl_outputs(struct intel_display *display) { … } static void intel_setup_cadls(struct intel_display *display) { … } static void swsci_setup(struct intel_display *display) { … } static int intel_no_opregion_vbt_callback(const struct dmi_system_id *id) { … } static const struct dmi_system_id intel_no_opregion_vbt[] = …; int intel_opregion_setup(struct intel_display *display) { … } static int intel_use_opregion_panel_type_callback(const struct dmi_system_id *id) { … } static const struct dmi_system_id intel_use_opregion_panel_type[] = …; int intel_opregion_get_panel_type(struct intel_display *display) { … } /** * intel_opregion_get_edid - Fetch EDID from ACPI OpRegion mailbox #5 * @connector: eDP connector * * This reads the ACPI Opregion mailbox #5 to extract the EDID that is passed * to it. * * Returns: * The EDID in the OpRegion, or NULL if there is none or it's invalid. * */ const struct drm_edid *intel_opregion_get_edid(struct intel_connector *connector) { … } bool intel_opregion_vbt_present(struct intel_display *display) { … } const void *intel_opregion_get_vbt(struct intel_display *display, size_t *size) { … } bool intel_opregion_headless_sku(struct intel_display *display) { … } void intel_opregion_register(struct intel_display *display) { … } static void intel_opregion_resume_display(struct intel_display *display) { … } void intel_opregion_resume(struct intel_display *display) { … } static void intel_opregion_suspend_display(struct intel_display *display) { … } void intel_opregion_suspend(struct intel_display *display, pci_power_t state) { … } void intel_opregion_unregister(struct intel_display *display) { … } void intel_opregion_cleanup(struct intel_display *display) { … } static int intel_opregion_show(struct seq_file *m, void *unused) { … } DEFINE_SHOW_ATTRIBUTE(…); void intel_opregion_debugfs_register(struct intel_display *display) { … }
Codebase Browser
linux