| 1 | /* | 
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| 2 | * Copyright © 2016-2019 Intel Corporation | 
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| 3 | * | 
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a | 
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| 5 | * copy of this software and associated documentation files (the "Software"), | 
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| 6 | * to deal in the Software without restriction, including without limitation | 
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the | 
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| 9 | * Software is furnished to do so, subject to the following conditions: | 
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| 10 | * | 
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| 11 | * The above copyright notice and this permission notice (including the next | 
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| 12 | * paragraph) shall be included in all copies or substantial portions of the | 
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| 13 | * Software. | 
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| 14 | * | 
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | 
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | 
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | 
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| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | 
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| 21 | * SOFTWARE. | 
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| 22 | */ | 
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| 23 |  | 
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| 24 | /* | 
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| 25 | * Please use intel_vbt_defs.h for VBT private data, to hide and abstract away | 
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| 26 | * the VBT from the rest of the driver. Add the parsed, clean data to struct | 
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| 27 | * intel_vbt_data within struct intel_display. | 
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| 28 | */ | 
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| 29 |  | 
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| 30 | #ifndef _INTEL_BIOS_H_ | 
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| 31 | #define _INTEL_BIOS_H_ | 
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| 32 |  | 
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| 33 | #include <linux/types.h> | 
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| 34 |  | 
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| 35 | struct drm_edid; | 
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| 36 | struct intel_bios_encoder_data; | 
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| 37 | struct intel_crtc_state; | 
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| 38 | struct intel_display; | 
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| 39 | struct intel_encoder; | 
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| 40 | struct intel_panel; | 
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| 41 | enum aux_ch; | 
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| 42 | enum port; | 
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| 43 |  | 
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| 44 | enum intel_backlight_type { | 
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| 45 | INTEL_BACKLIGHT_PMIC, | 
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| 46 | INTEL_BACKLIGHT_LPSS, | 
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| 47 | INTEL_BACKLIGHT_DISPLAY_DDI, | 
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| 48 | INTEL_BACKLIGHT_DSI_DCS, | 
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| 49 | INTEL_BACKLIGHT_PANEL_DRIVER_INTERFACE, | 
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| 50 | INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE, | 
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| 51 | }; | 
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| 52 |  | 
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| 53 | void intel_bios_init(struct intel_display *display); | 
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| 54 | void intel_bios_init_panel_early(struct intel_display *display, | 
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| 55 | struct intel_panel *panel, | 
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| 56 | const struct intel_bios_encoder_data *devdata); | 
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| 57 | void intel_bios_init_panel_late(struct intel_display *display, | 
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| 58 | struct intel_panel *panel, | 
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| 59 | const struct intel_bios_encoder_data *devdata, | 
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| 60 | const struct drm_edid *drm_edid); | 
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| 61 | void intel_bios_fini_panel(struct intel_panel *panel); | 
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| 62 | void intel_bios_driver_remove(struct intel_display *display); | 
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| 63 | bool intel_bios_is_valid_vbt(struct intel_display *display, | 
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| 64 | const void *buf, size_t size); | 
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| 65 | bool intel_bios_is_tv_present(struct intel_display *display); | 
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| 66 | bool intel_bios_is_lvds_present(struct intel_display *display, u8 *i2c_pin); | 
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| 67 | bool intel_bios_is_port_present(struct intel_display *display, enum port port); | 
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| 68 | bool intel_bios_is_dsi_present(struct intel_display *display, enum port *port); | 
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| 69 | bool intel_bios_get_dsc_params(struct intel_encoder *encoder, | 
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| 70 | struct intel_crtc_state *crtc_state, | 
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| 71 | int dsc_max_bpc); | 
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| 72 |  | 
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| 73 | const struct intel_bios_encoder_data * | 
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| 74 | intel_bios_encoder_data_lookup(struct intel_display *display, enum port port); | 
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| 75 |  | 
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| 76 | bool intel_bios_encoder_supports_dvi(const struct intel_bios_encoder_data *devdata); | 
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| 77 | bool intel_bios_encoder_supports_hdmi(const struct intel_bios_encoder_data *devdata); | 
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| 78 | bool intel_bios_encoder_supports_dp(const struct intel_bios_encoder_data *devdata); | 
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| 79 | bool intel_bios_encoder_supports_edp(const struct intel_bios_encoder_data *devdata); | 
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| 80 | bool intel_bios_encoder_supports_typec_usb(const struct intel_bios_encoder_data *devdata); | 
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| 81 | bool intel_bios_encoder_supports_tbt(const struct intel_bios_encoder_data *devdata); | 
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| 82 | bool intel_bios_encoder_supports_dsi(const struct intel_bios_encoder_data *devdata); | 
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| 83 | bool intel_bios_encoder_supports_dp_dual_mode(const struct intel_bios_encoder_data *devdata); | 
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| 84 | bool intel_bios_encoder_is_lspcon(const struct intel_bios_encoder_data *devdata); | 
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| 85 | bool intel_bios_encoder_lane_reversal(const struct intel_bios_encoder_data *devdata); | 
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| 86 | bool intel_bios_encoder_hpd_invert(const struct intel_bios_encoder_data *devdata); | 
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| 87 | enum port intel_bios_encoder_port(const struct intel_bios_encoder_data *devdata); | 
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| 88 | bool intel_bios_encoder_reject_edp_rate(const struct intel_bios_encoder_data *devdata, | 
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| 89 | int rate); | 
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| 90 | enum aux_ch intel_bios_dp_aux_ch(const struct intel_bios_encoder_data *devdata); | 
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| 91 | int intel_bios_dp_boost_level(const struct intel_bios_encoder_data *devdata); | 
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| 92 | int intel_bios_dp_max_lane_count(const struct intel_bios_encoder_data *devdata); | 
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| 93 | int intel_bios_dp_max_link_rate(const struct intel_bios_encoder_data *devdata); | 
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| 94 | bool intel_bios_dp_has_shared_aux_ch(const struct intel_bios_encoder_data *devdata); | 
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| 95 | int intel_bios_hdmi_boost_level(const struct intel_bios_encoder_data *devdata); | 
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| 96 | int intel_bios_hdmi_ddc_pin(const struct intel_bios_encoder_data *devdata); | 
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| 97 | int intel_bios_hdmi_level_shift(const struct intel_bios_encoder_data *devdata); | 
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| 98 | int intel_bios_hdmi_max_tmds_clock(const struct intel_bios_encoder_data *devdata); | 
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| 99 |  | 
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| 100 | void intel_bios_for_each_encoder(struct intel_display *display, | 
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| 101 | void (*func)(struct intel_display *display, | 
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| 102 | const struct intel_bios_encoder_data *devdata)); | 
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| 103 |  | 
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| 104 | void intel_bios_debugfs_register(struct intel_display *display); | 
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| 105 |  | 
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| 106 | #endif /* _INTEL_BIOS_H_ */ | 
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| 107 |  | 
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