2008-08-06 02:37:25 +08:00
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/*
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* Copyright 2008 Intel Corporation <hong.liu@intel.com>
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* Copyright 2008 Red Hat <mjg@redhat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#include <linux/acpi.h>
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2015-12-14 18:50:46 +08:00
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#include <linux/dmi.h>
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2009-03-20 05:35:39 +08:00
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#include <acpi/video.h>
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2008-08-06 02:37:25 +08:00
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2012-10-03 01:01:07 +08:00
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#include <drm/drmP.h>
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#include <drm/i915_drm.h>
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2008-08-06 02:37:25 +08:00
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#include "i915_drv.h"
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2010-08-22 20:18:16 +08:00
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#include "intel_drv.h"
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2008-08-06 02:37:25 +08:00
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#define OPREGION_HEADER_OFFSET 0
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#define OPREGION_ACPI_OFFSET 0x100
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2011-02-25 02:13:42 +08:00
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#define ACPI_CLID 0x01ac /* current lid state indicator */
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#define ACPI_CDCK 0x01b0 /* current docking state indicator */
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2008-08-06 02:37:25 +08:00
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#define OPREGION_SWSCI_OFFSET 0x200
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#define OPREGION_ASLE_OFFSET 0x300
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2010-08-19 23:09:23 +08:00
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#define OPREGION_VBT_OFFSET 0x400
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2015-12-14 18:50:45 +08:00
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#define OPREGION_ASLE_EXT_OFFSET 0x1C00
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2008-08-06 02:37:25 +08:00
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#define OPREGION_SIGNATURE "IntelGraphicsMem"
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#define MBOX_ACPI (1<<0)
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#define MBOX_SWSCI (1<<1)
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#define MBOX_ASLE (1<<2)
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2015-07-02 22:43:22 +08:00
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#define MBOX_ASLE_EXT (1<<4)
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2008-08-06 02:37:25 +08:00
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struct opregion_header {
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2011-08-17 03:34:10 +08:00
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u8 signature[16];
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u32 size;
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u32 opregion_ver;
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u8 bios_ver[32];
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u8 vbios_ver[16];
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u8 driver_ver[16];
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u32 mboxes;
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2015-07-02 22:43:22 +08:00
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u32 driver_model;
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u32 pcon;
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u8 dver[32];
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u8 rsvd[124];
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2013-12-02 21:26:09 +08:00
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} __packed;
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2008-08-06 02:37:25 +08:00
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/* OpRegion mailbox #1: public ACPI methods */
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struct opregion_acpi {
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2011-08-17 03:34:10 +08:00
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u32 drdy; /* driver readiness */
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u32 csts; /* notification status */
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u32 cevt; /* current event */
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u8 rsvd1[20];
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u32 didl[8]; /* supported display devices ID list */
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u32 cpdl[8]; /* currently presented display list */
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u32 cadl[8]; /* currently active display list */
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u32 nadl[8]; /* next active devices list */
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u32 aslp; /* ASL sleep time-out */
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u32 tidx; /* toggle table index */
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u32 chpd; /* current hotplug enable indicator */
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u32 clid; /* current lid state*/
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u32 cdck; /* current docking state */
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u32 sxsw; /* Sx state resume */
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u32 evts; /* ASL supported events */
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u32 cnot; /* current OS notification */
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u32 nrdy; /* driver status */
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2015-07-02 22:43:22 +08:00
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u32 did2[7]; /* extended supported display devices ID list */
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u32 cpd2[7]; /* extended attached display devices list */
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u8 rsvd2[4];
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2013-12-02 21:26:09 +08:00
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} __packed;
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2008-08-06 02:37:25 +08:00
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/* OpRegion mailbox #2: SWSCI */
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struct opregion_swsci {
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2011-08-17 03:34:10 +08:00
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u32 scic; /* SWSCI command|status|data */
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u32 parm; /* command parameters */
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u32 dslp; /* driver sleep time-out */
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u8 rsvd[244];
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2013-12-02 21:26:09 +08:00
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} __packed;
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2008-08-06 02:37:25 +08:00
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/* OpRegion mailbox #3: ASLE */
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struct opregion_asle {
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2011-08-17 03:34:10 +08:00
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u32 ardy; /* driver readiness */
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u32 aslc; /* ASLE interrupt command */
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u32 tche; /* technology enabled indicator */
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u32 alsi; /* current ALS illuminance reading */
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u32 bclp; /* backlight brightness to set */
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u32 pfit; /* panel fitting state */
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u32 cblv; /* current brightness level */
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u16 bclm[20]; /* backlight level duty cycle mapping table */
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u32 cpfm; /* current panel fitting mode */
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u32 epfm; /* enabled panel fitting modes */
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u8 plut[74]; /* panel LUT and identifier */
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u32 pfmb; /* PWM freq and min brightness */
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2013-09-17 22:14:11 +08:00
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u32 cddv; /* color correction default values */
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u32 pcft; /* power conservation features */
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u32 srot; /* supported rotation angles */
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u32 iuer; /* IUER events */
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2015-07-02 22:43:22 +08:00
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u64 fdss;
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u32 fdsp;
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u32 stat;
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2015-12-01 06:47:05 +08:00
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u64 rvda; /* Physical address of raw vbt data */
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u32 rvds; /* Size of raw vbt data */
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u8 rsvd[58];
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2013-12-02 21:26:09 +08:00
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} __packed;
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2008-08-06 02:37:25 +08:00
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2015-12-14 18:50:45 +08:00
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/* OpRegion mailbox #5: ASLE ext */
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struct opregion_asle_ext {
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u32 phed; /* Panel Header */
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u8 bddc[256]; /* Panel EDID */
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u8 rsvd[764];
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} __packed;
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2013-04-29 18:02:51 +08:00
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/* Driver readiness indicator */
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#define ASLE_ARDY_READY (1 << 0)
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#define ASLE_ARDY_NOT_READY (0 << 0)
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2013-09-17 22:14:11 +08:00
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/* ASLE Interrupt Command (ASLC) bits */
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#define ASLC_SET_ALS_ILLUM (1 << 0)
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#define ASLC_SET_BACKLIGHT (1 << 1)
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#define ASLC_SET_PFIT (1 << 2)
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#define ASLC_SET_PWM_FREQ (1 << 3)
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#define ASLC_SUPPORTED_ROTATION_ANGLES (1 << 4)
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#define ASLC_BUTTON_ARRAY (1 << 5)
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#define ASLC_CONVERTIBLE_INDICATOR (1 << 6)
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#define ASLC_DOCKING_INDICATOR (1 << 7)
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#define ASLC_ISCT_STATE_CHANGE (1 << 8)
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#define ASLC_REQ_MSK 0x1ff
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/* response bits */
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#define ASLC_ALS_ILLUM_FAILED (1 << 10)
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#define ASLC_BACKLIGHT_FAILED (1 << 12)
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#define ASLC_PFIT_FAILED (1 << 14)
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#define ASLC_PWM_FREQ_FAILED (1 << 16)
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#define ASLC_ROTATION_ANGLES_FAILED (1 << 18)
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#define ASLC_BUTTON_ARRAY_FAILED (1 << 20)
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#define ASLC_CONVERTIBLE_FAILED (1 << 22)
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#define ASLC_DOCKING_FAILED (1 << 24)
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#define ASLC_ISCT_STATE_FAILED (1 << 26)
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2008-08-06 02:37:25 +08:00
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2013-04-29 18:02:50 +08:00
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/* Technology enabled indicator */
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#define ASLE_TCHE_ALS_EN (1 << 0)
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#define ASLE_TCHE_BLC_EN (1 << 1)
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#define ASLE_TCHE_PFIT_EN (1 << 2)
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#define ASLE_TCHE_PFMB_EN (1 << 3)
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2008-08-06 02:37:25 +08:00
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/* ASLE backlight brightness to set */
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#define ASLE_BCLP_VALID (1<<31)
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#define ASLE_BCLP_MSK (~(1<<31))
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/* ASLE panel fitting request */
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#define ASLE_PFIT_VALID (1<<31)
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#define ASLE_PFIT_CENTER (1<<0)
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#define ASLE_PFIT_STRETCH_TEXT (1<<1)
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#define ASLE_PFIT_STRETCH_GFX (1<<2)
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/* PWM frequency and minimum brightness */
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#define ASLE_PFMB_BRIGHTNESS_MASK (0xff)
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#define ASLE_PFMB_BRIGHTNESS_VALID (1<<8)
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#define ASLE_PFMB_PWM_MASK (0x7ffffe00)
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#define ASLE_PFMB_PWM_VALID (1<<31)
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#define ASLE_CBLV_VALID (1<<31)
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2013-09-17 22:14:11 +08:00
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/* IUER */
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#define ASLE_IUER_DOCKING (1 << 7)
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#define ASLE_IUER_CONVERTIBLE (1 << 6)
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#define ASLE_IUER_ROTATION_LOCK_BTN (1 << 4)
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#define ASLE_IUER_VOLUME_DOWN_BTN (1 << 3)
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#define ASLE_IUER_VOLUME_UP_BTN (1 << 2)
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#define ASLE_IUER_WINDOWS_BTN (1 << 1)
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#define ASLE_IUER_POWER_BTN (1 << 0)
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2013-09-02 15:38:59 +08:00
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/* Software System Control Interrupt (SWSCI) */
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#define SWSCI_SCIC_INDICATOR (1 << 0)
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#define SWSCI_SCIC_MAIN_FUNCTION_SHIFT 1
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#define SWSCI_SCIC_MAIN_FUNCTION_MASK (0xf << 1)
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#define SWSCI_SCIC_SUB_FUNCTION_SHIFT 8
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#define SWSCI_SCIC_SUB_FUNCTION_MASK (0xff << 8)
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#define SWSCI_SCIC_EXIT_PARAMETER_SHIFT 8
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#define SWSCI_SCIC_EXIT_PARAMETER_MASK (0xff << 8)
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#define SWSCI_SCIC_EXIT_STATUS_SHIFT 5
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#define SWSCI_SCIC_EXIT_STATUS_MASK (7 << 5)
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#define SWSCI_SCIC_EXIT_STATUS_SUCCESS 1
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#define SWSCI_FUNCTION_CODE(main, sub) \
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((main) << SWSCI_SCIC_MAIN_FUNCTION_SHIFT | \
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(sub) << SWSCI_SCIC_SUB_FUNCTION_SHIFT)
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/* SWSCI: Get BIOS Data (GBDA) */
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#define SWSCI_GBDA 4
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#define SWSCI_GBDA_SUPPORTED_CALLS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 0)
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#define SWSCI_GBDA_REQUESTED_CALLBACKS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 1)
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#define SWSCI_GBDA_BOOT_DISPLAY_PREF SWSCI_FUNCTION_CODE(SWSCI_GBDA, 4)
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#define SWSCI_GBDA_PANEL_DETAILS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 5)
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#define SWSCI_GBDA_TV_STANDARD SWSCI_FUNCTION_CODE(SWSCI_GBDA, 6)
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#define SWSCI_GBDA_INTERNAL_GRAPHICS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 7)
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#define SWSCI_GBDA_SPREAD_SPECTRUM SWSCI_FUNCTION_CODE(SWSCI_GBDA, 10)
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/* SWSCI: System BIOS Callbacks (SBCB) */
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#define SWSCI_SBCB 6
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#define SWSCI_SBCB_SUPPORTED_CALLBACKS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 0)
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#define SWSCI_SBCB_INIT_COMPLETION SWSCI_FUNCTION_CODE(SWSCI_SBCB, 1)
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#define SWSCI_SBCB_PRE_HIRES_SET_MODE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 3)
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#define SWSCI_SBCB_POST_HIRES_SET_MODE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 4)
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#define SWSCI_SBCB_DISPLAY_SWITCH SWSCI_FUNCTION_CODE(SWSCI_SBCB, 5)
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#define SWSCI_SBCB_SET_TV_FORMAT SWSCI_FUNCTION_CODE(SWSCI_SBCB, 6)
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#define SWSCI_SBCB_ADAPTER_POWER_STATE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 7)
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#define SWSCI_SBCB_DISPLAY_POWER_STATE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 8)
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#define SWSCI_SBCB_SET_BOOT_DISPLAY SWSCI_FUNCTION_CODE(SWSCI_SBCB, 9)
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#define SWSCI_SBCB_SET_PANEL_DETAILS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 10)
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#define SWSCI_SBCB_SET_INTERNAL_GFX SWSCI_FUNCTION_CODE(SWSCI_SBCB, 11)
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#define SWSCI_SBCB_POST_HIRES_TO_DOS_FS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 16)
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#define SWSCI_SBCB_SUSPEND_RESUME SWSCI_FUNCTION_CODE(SWSCI_SBCB, 17)
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#define SWSCI_SBCB_SET_SPREAD_SPECTRUM SWSCI_FUNCTION_CODE(SWSCI_SBCB, 18)
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#define SWSCI_SBCB_POST_VBE_PM SWSCI_FUNCTION_CODE(SWSCI_SBCB, 19)
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#define SWSCI_SBCB_ENABLE_DISABLE_AUDIO SWSCI_FUNCTION_CODE(SWSCI_SBCB, 21)
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2016-06-13 17:30:05 +08:00
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/*
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* ACPI Specification, Revision 5.0, Appendix B.3.2 _DOD (Enumerate All Devices
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* Attached to the Display Adapter).
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*/
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#define ACPI_DISPLAY_INDEX_SHIFT 0
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#define ACPI_DISPLAY_INDEX_MASK (0xf << 0)
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#define ACPI_DISPLAY_PORT_ATTACHMENT_SHIFT 4
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#define ACPI_DISPLAY_PORT_ATTACHMENT_MASK (0xf << 4)
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#define ACPI_DISPLAY_TYPE_SHIFT 8
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#define ACPI_DISPLAY_TYPE_MASK (0xf << 8)
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#define ACPI_DISPLAY_TYPE_OTHER (0 << 8)
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#define ACPI_DISPLAY_TYPE_VGA (1 << 8)
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#define ACPI_DISPLAY_TYPE_TV (2 << 8)
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#define ACPI_DISPLAY_TYPE_EXTERNAL_DIGITAL (3 << 8)
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#define ACPI_DISPLAY_TYPE_INTERNAL_DIGITAL (4 << 8)
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#define ACPI_VENDOR_SPECIFIC_SHIFT 12
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#define ACPI_VENDOR_SPECIFIC_MASK (0xf << 12)
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#define ACPI_BIOS_CAN_DETECT (1 << 16)
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#define ACPI_DEPENDS_ON_VGA (1 << 17)
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#define ACPI_PIPE_ID_SHIFT 18
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#define ACPI_PIPE_ID_MASK (7 << 18)
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#define ACPI_DEVICE_ID_SCHEME (1 << 31)
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2009-03-20 05:35:39 +08:00
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2014-01-31 21:49:08 +08:00
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#define MAX_DSLP 1500
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2016-05-23 22:08:09 +08:00
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static int swsci(struct drm_i915_private *dev_priv,
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u32 function, u32 parm, u32 *parm_out)
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2013-09-02 15:38:59 +08:00
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{
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2015-10-13 05:12:57 +08:00
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struct opregion_swsci *swsci = dev_priv->opregion.swsci;
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2016-07-05 17:40:23 +08:00
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struct pci_dev *pdev = dev_priv->drm.pdev;
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2013-09-02 15:38:59 +08:00
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u32 main_function, sub_function, scic;
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2016-04-15 17:03:39 +08:00
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u16 swsci_val;
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2013-09-02 15:38:59 +08:00
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u32 dslp;
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if (!swsci)
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return -ENODEV;
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main_function = (function & SWSCI_SCIC_MAIN_FUNCTION_MASK) >>
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SWSCI_SCIC_MAIN_FUNCTION_SHIFT;
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|
|
sub_function = (function & SWSCI_SCIC_SUB_FUNCTION_MASK) >>
|
|
|
|
SWSCI_SCIC_SUB_FUNCTION_SHIFT;
|
|
|
|
|
|
|
|
/* Check if we can call the function. See swsci_setup for details. */
|
|
|
|
if (main_function == SWSCI_SBCB) {
|
|
|
|
if ((dev_priv->opregion.swsci_sbcb_sub_functions &
|
|
|
|
(1 << sub_function)) == 0)
|
|
|
|
return -EINVAL;
|
|
|
|
} else if (main_function == SWSCI_GBDA) {
|
|
|
|
if ((dev_priv->opregion.swsci_gbda_sub_functions &
|
|
|
|
(1 << sub_function)) == 0)
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Driver sleep timeout in ms. */
|
2015-10-13 05:12:57 +08:00
|
|
|
dslp = swsci->dslp;
|
2013-09-02 15:38:59 +08:00
|
|
|
if (!dslp) {
|
2013-10-10 03:39:57 +08:00
|
|
|
/* The spec says 2ms should be the default, but it's too small
|
|
|
|
* for some machines. */
|
|
|
|
dslp = 50;
|
2014-01-31 21:49:08 +08:00
|
|
|
} else if (dslp > MAX_DSLP) {
|
2013-09-02 15:38:59 +08:00
|
|
|
/* Hey bios, trust must be earned. */
|
2014-01-31 21:49:08 +08:00
|
|
|
DRM_INFO_ONCE("ACPI BIOS requests an excessive sleep of %u ms, "
|
|
|
|
"using %u ms instead\n", dslp, MAX_DSLP);
|
|
|
|
dslp = MAX_DSLP;
|
2013-09-02 15:38:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* The spec tells us to do this, but we are the only user... */
|
2015-10-13 05:12:57 +08:00
|
|
|
scic = swsci->scic;
|
2013-09-02 15:38:59 +08:00
|
|
|
if (scic & SWSCI_SCIC_INDICATOR) {
|
|
|
|
DRM_DEBUG_DRIVER("SWSCI request already in progress\n");
|
|
|
|
return -EBUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
scic = function | SWSCI_SCIC_INDICATOR;
|
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
swsci->parm = parm;
|
|
|
|
swsci->scic = scic;
|
2013-09-02 15:38:59 +08:00
|
|
|
|
|
|
|
/* Ensure SCI event is selected and event trigger is cleared. */
|
2016-05-23 22:08:09 +08:00
|
|
|
pci_read_config_word(pdev, SWSCI, &swsci_val);
|
2016-04-15 17:03:39 +08:00
|
|
|
if (!(swsci_val & SWSCI_SCISEL) || (swsci_val & SWSCI_GSSCIE)) {
|
|
|
|
swsci_val |= SWSCI_SCISEL;
|
|
|
|
swsci_val &= ~SWSCI_GSSCIE;
|
2016-05-23 22:08:09 +08:00
|
|
|
pci_write_config_word(pdev, SWSCI, swsci_val);
|
2013-09-02 15:38:59 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Use event trigger to tell bios to check the mail. */
|
2016-04-15 17:03:39 +08:00
|
|
|
swsci_val |= SWSCI_GSSCIE;
|
2016-05-23 22:08:09 +08:00
|
|
|
pci_write_config_word(pdev, SWSCI, swsci_val);
|
2013-09-02 15:38:59 +08:00
|
|
|
|
|
|
|
/* Poll for the result. */
|
2015-10-13 05:12:57 +08:00
|
|
|
#define C (((scic = swsci->scic) & SWSCI_SCIC_INDICATOR) == 0)
|
2013-09-02 15:38:59 +08:00
|
|
|
if (wait_for(C, dslp)) {
|
|
|
|
DRM_DEBUG_DRIVER("SWSCI request timed out\n");
|
|
|
|
return -ETIMEDOUT;
|
|
|
|
}
|
|
|
|
|
|
|
|
scic = (scic & SWSCI_SCIC_EXIT_STATUS_MASK) >>
|
|
|
|
SWSCI_SCIC_EXIT_STATUS_SHIFT;
|
|
|
|
|
|
|
|
/* Note: scic == 0 is an error! */
|
|
|
|
if (scic != SWSCI_SCIC_EXIT_STATUS_SUCCESS) {
|
|
|
|
DRM_DEBUG_DRIVER("SWSCI request error %u\n", scic);
|
|
|
|
return -EIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (parm_out)
|
2015-10-13 05:12:57 +08:00
|
|
|
*parm_out = swsci->parm;
|
2013-09-02 15:38:59 +08:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
#undef C
|
|
|
|
}
|
|
|
|
|
2013-08-31 00:40:30 +08:00
|
|
|
#define DISPLAY_TYPE_CRT 0
|
|
|
|
#define DISPLAY_TYPE_TV 1
|
|
|
|
#define DISPLAY_TYPE_EXTERNAL_FLAT_PANEL 2
|
|
|
|
#define DISPLAY_TYPE_INTERNAL_FLAT_PANEL 3
|
|
|
|
|
|
|
|
int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder,
|
|
|
|
bool enable)
|
|
|
|
{
|
2016-05-23 22:08:09 +08:00
|
|
|
struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
|
2013-08-31 00:40:30 +08:00
|
|
|
u32 parm = 0;
|
|
|
|
u32 type = 0;
|
|
|
|
u32 port;
|
|
|
|
|
|
|
|
/* don't care about old stuff for now */
|
2016-05-23 22:08:09 +08:00
|
|
|
if (!HAS_DDI(dev_priv))
|
2013-08-31 00:40:30 +08:00
|
|
|
return 0;
|
|
|
|
|
2015-10-02 00:53:49 +08:00
|
|
|
if (intel_encoder->type == INTEL_OUTPUT_DSI)
|
|
|
|
port = 0;
|
|
|
|
else
|
|
|
|
port = intel_ddi_get_encoder_port(intel_encoder);
|
|
|
|
|
|
|
|
if (port == PORT_E) {
|
2013-08-31 00:40:30 +08:00
|
|
|
port = 0;
|
|
|
|
} else {
|
|
|
|
parm |= 1 << port;
|
|
|
|
port++;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!enable)
|
|
|
|
parm |= 4 << 8;
|
|
|
|
|
|
|
|
switch (intel_encoder->type) {
|
|
|
|
case INTEL_OUTPUT_ANALOG:
|
|
|
|
type = DISPLAY_TYPE_CRT;
|
|
|
|
break;
|
|
|
|
case INTEL_OUTPUT_UNKNOWN:
|
2016-06-23 02:57:06 +08:00
|
|
|
case INTEL_OUTPUT_DP:
|
2013-08-31 00:40:30 +08:00
|
|
|
case INTEL_OUTPUT_HDMI:
|
2014-05-02 12:02:48 +08:00
|
|
|
case INTEL_OUTPUT_DP_MST:
|
2013-08-31 00:40:30 +08:00
|
|
|
type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL;
|
|
|
|
break;
|
|
|
|
case INTEL_OUTPUT_EDP:
|
2015-10-02 00:53:49 +08:00
|
|
|
case INTEL_OUTPUT_DSI:
|
2013-08-31 00:40:30 +08:00
|
|
|
type = DISPLAY_TYPE_INTERNAL_FLAT_PANEL;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
WARN_ONCE(1, "unsupported intel_encoder type %d\n",
|
|
|
|
intel_encoder->type);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
parm |= type << (16 + port * 3);
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
return swsci(dev_priv, SWSCI_SBCB_DISPLAY_POWER_STATE, parm, NULL);
|
2013-08-31 00:40:30 +08:00
|
|
|
}
|
|
|
|
|
2013-08-31 00:40:31 +08:00
|
|
|
static const struct {
|
|
|
|
pci_power_t pci_power_state;
|
|
|
|
u32 parm;
|
|
|
|
} power_state_map[] = {
|
|
|
|
{ PCI_D0, 0x00 },
|
|
|
|
{ PCI_D1, 0x01 },
|
|
|
|
{ PCI_D2, 0x02 },
|
|
|
|
{ PCI_D3hot, 0x04 },
|
|
|
|
{ PCI_D3cold, 0x04 },
|
|
|
|
};
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
int intel_opregion_notify_adapter(struct drm_i915_private *dev_priv,
|
|
|
|
pci_power_t state)
|
2013-08-31 00:40:31 +08:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
if (!HAS_DDI(dev_priv))
|
2013-08-31 00:40:31 +08:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(power_state_map); i++) {
|
|
|
|
if (state == power_state_map[i].pci_power_state)
|
2016-05-23 22:08:09 +08:00
|
|
|
return swsci(dev_priv, SWSCI_SBCB_ADAPTER_POWER_STATE,
|
2013-08-31 00:40:31 +08:00
|
|
|
power_state_map[i].parm, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_set_backlight(struct drm_i915_private *dev_priv, u32 bclp)
|
2008-08-06 02:37:25 +08:00
|
|
|
{
|
2015-12-16 18:48:16 +08:00
|
|
|
struct intel_connector *connector;
|
2015-10-13 05:12:57 +08:00
|
|
|
struct opregion_asle *asle = dev_priv->opregion.asle;
|
2016-07-05 17:40:23 +08:00
|
|
|
struct drm_device *dev = &dev_priv->drm;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2012-10-01 19:25:30 +08:00
|
|
|
DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp);
|
|
|
|
|
2015-06-16 22:27:50 +08:00
|
|
|
if (acpi_video_get_backlight_type() == acpi_backlight_native) {
|
2014-07-07 15:43:51 +08:00
|
|
|
DRM_DEBUG_KMS("opregion backlight request ignored\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-08-06 02:37:25 +08:00
|
|
|
if (!(bclp & ASLE_BCLP_VALID))
|
2013-09-17 22:14:11 +08:00
|
|
|
return ASLC_BACKLIGHT_FAILED;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
|
|
|
bclp &= ASLE_BCLP_MSK;
|
2010-08-22 20:18:16 +08:00
|
|
|
if (bclp > 255)
|
2013-09-17 22:14:11 +08:00
|
|
|
return ASLC_BACKLIGHT_FAILED;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2013-11-20 01:10:12 +08:00
|
|
|
drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
|
2013-11-08 22:48:55 +08:00
|
|
|
|
2013-11-01 00:55:49 +08:00
|
|
|
/*
|
2013-11-08 22:48:55 +08:00
|
|
|
* Update backlight on all connectors that support backlight (usually
|
|
|
|
* only one).
|
2013-11-01 00:55:49 +08:00
|
|
|
*/
|
2013-10-13 19:56:31 +08:00
|
|
|
DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp);
|
2015-12-16 18:48:16 +08:00
|
|
|
for_each_intel_connector(dev, connector)
|
|
|
|
intel_panel_set_backlight_acpi(connector, bclp, 255);
|
2015-10-13 05:12:57 +08:00
|
|
|
asle->cblv = DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2013-11-20 01:10:12 +08:00
|
|
|
drm_modeset_unlock(&dev->mode_config.connection_mutex);
|
2013-11-01 00:55:49 +08:00
|
|
|
|
2013-11-08 22:48:55 +08:00
|
|
|
|
|
|
|
return 0;
|
2008-08-06 02:37:25 +08:00
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_set_als_illum(struct drm_i915_private *dev_priv, u32 alsi)
|
2008-08-06 02:37:25 +08:00
|
|
|
{
|
|
|
|
/* alsi is the current ALS reading in lux. 0 indicates below sensor
|
|
|
|
range, 0xffff indicates above sensor range. 1-0xfffe are valid */
|
2013-04-12 20:20:57 +08:00
|
|
|
DRM_DEBUG_DRIVER("Illum is not supported\n");
|
2013-09-17 22:14:11 +08:00
|
|
|
return ASLC_ALS_ILLUM_FAILED;
|
2008-08-06 02:37:25 +08:00
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_set_pwm_freq(struct drm_i915_private *dev_priv, u32 pfmb)
|
2008-08-06 02:37:25 +08:00
|
|
|
{
|
2013-04-12 20:20:57 +08:00
|
|
|
DRM_DEBUG_DRIVER("PWM freq is not supported\n");
|
2013-09-17 22:14:11 +08:00
|
|
|
return ASLC_PWM_FREQ_FAILED;
|
2008-08-06 02:37:25 +08:00
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_set_pfit(struct drm_i915_private *dev_priv, u32 pfit)
|
2008-08-06 02:37:25 +08:00
|
|
|
{
|
|
|
|
/* Panel fitting is currently controlled by the X code, so this is a
|
|
|
|
noop until modesetting support works fully */
|
2013-04-12 20:20:57 +08:00
|
|
|
DRM_DEBUG_DRIVER("Pfit is not supported\n");
|
2013-09-17 22:14:11 +08:00
|
|
|
return ASLC_PFIT_FAILED;
|
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_set_supported_rotation_angles(struct drm_i915_private *dev_priv, u32 srot)
|
2013-09-17 22:14:11 +08:00
|
|
|
{
|
|
|
|
DRM_DEBUG_DRIVER("SROT is not supported\n");
|
|
|
|
return ASLC_ROTATION_ANGLES_FAILED;
|
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_set_button_array(struct drm_i915_private *dev_priv, u32 iuer)
|
2013-09-17 22:14:11 +08:00
|
|
|
{
|
|
|
|
if (!iuer)
|
|
|
|
DRM_DEBUG_DRIVER("Button array event is not supported (nothing)\n");
|
|
|
|
if (iuer & ASLE_IUER_ROTATION_LOCK_BTN)
|
|
|
|
DRM_DEBUG_DRIVER("Button array event is not supported (rotation lock)\n");
|
|
|
|
if (iuer & ASLE_IUER_VOLUME_DOWN_BTN)
|
|
|
|
DRM_DEBUG_DRIVER("Button array event is not supported (volume down)\n");
|
|
|
|
if (iuer & ASLE_IUER_VOLUME_UP_BTN)
|
|
|
|
DRM_DEBUG_DRIVER("Button array event is not supported (volume up)\n");
|
|
|
|
if (iuer & ASLE_IUER_WINDOWS_BTN)
|
|
|
|
DRM_DEBUG_DRIVER("Button array event is not supported (windows)\n");
|
|
|
|
if (iuer & ASLE_IUER_POWER_BTN)
|
|
|
|
DRM_DEBUG_DRIVER("Button array event is not supported (power)\n");
|
|
|
|
|
|
|
|
return ASLC_BUTTON_ARRAY_FAILED;
|
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_set_convertible(struct drm_i915_private *dev_priv, u32 iuer)
|
2013-09-17 22:14:11 +08:00
|
|
|
{
|
|
|
|
if (iuer & ASLE_IUER_CONVERTIBLE)
|
|
|
|
DRM_DEBUG_DRIVER("Convertible is not supported (clamshell)\n");
|
|
|
|
else
|
|
|
|
DRM_DEBUG_DRIVER("Convertible is not supported (slate)\n");
|
|
|
|
|
|
|
|
return ASLC_CONVERTIBLE_FAILED;
|
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_set_docking(struct drm_i915_private *dev_priv, u32 iuer)
|
2013-09-17 22:14:11 +08:00
|
|
|
{
|
|
|
|
if (iuer & ASLE_IUER_DOCKING)
|
|
|
|
DRM_DEBUG_DRIVER("Docking is not supported (docked)\n");
|
|
|
|
else
|
|
|
|
DRM_DEBUG_DRIVER("Docking is not supported (undocked)\n");
|
|
|
|
|
|
|
|
return ASLC_DOCKING_FAILED;
|
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static u32 asle_isct_state(struct drm_i915_private *dev_priv)
|
2013-09-17 22:14:11 +08:00
|
|
|
{
|
|
|
|
DRM_DEBUG_DRIVER("ISCT is not supported\n");
|
|
|
|
return ASLC_ISCT_STATE_FAILED;
|
2008-08-06 02:37:25 +08:00
|
|
|
}
|
|
|
|
|
2013-11-01 00:55:48 +08:00
|
|
|
static void asle_work(struct work_struct *work)
|
2008-08-06 02:37:25 +08:00
|
|
|
{
|
2013-11-01 00:55:48 +08:00
|
|
|
struct intel_opregion *opregion =
|
|
|
|
container_of(work, struct intel_opregion, asle_work);
|
|
|
|
struct drm_i915_private *dev_priv =
|
|
|
|
container_of(opregion, struct drm_i915_private, opregion);
|
2015-10-13 05:12:57 +08:00
|
|
|
struct opregion_asle *asle = dev_priv->opregion.asle;
|
2013-09-17 22:14:11 +08:00
|
|
|
u32 aslc_stat = 0;
|
|
|
|
u32 aslc_req;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
|
|
|
if (!asle)
|
|
|
|
return;
|
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
aslc_req = asle->aslc;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2013-09-17 22:14:11 +08:00
|
|
|
if (!(aslc_req & ASLC_REQ_MSK)) {
|
|
|
|
DRM_DEBUG_DRIVER("No request on ASLC interrupt 0x%08x\n",
|
|
|
|
aslc_req);
|
2008-08-06 02:37:25 +08:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2013-09-17 22:14:11 +08:00
|
|
|
if (aslc_req & ASLC_SET_ALS_ILLUM)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_set_als_illum(dev_priv, asle->alsi);
|
2013-09-17 22:14:11 +08:00
|
|
|
|
|
|
|
if (aslc_req & ASLC_SET_BACKLIGHT)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_set_backlight(dev_priv, asle->bclp);
|
2013-09-17 22:14:11 +08:00
|
|
|
|
|
|
|
if (aslc_req & ASLC_SET_PFIT)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_set_pfit(dev_priv, asle->pfit);
|
2013-09-17 22:14:11 +08:00
|
|
|
|
|
|
|
if (aslc_req & ASLC_SET_PWM_FREQ)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_set_pwm_freq(dev_priv, asle->pfmb);
|
2013-09-17 22:14:11 +08:00
|
|
|
|
|
|
|
if (aslc_req & ASLC_SUPPORTED_ROTATION_ANGLES)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_set_supported_rotation_angles(dev_priv,
|
2015-10-13 05:12:57 +08:00
|
|
|
asle->srot);
|
2013-09-17 22:14:11 +08:00
|
|
|
|
|
|
|
if (aslc_req & ASLC_BUTTON_ARRAY)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_set_button_array(dev_priv, asle->iuer);
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2013-09-17 22:14:11 +08:00
|
|
|
if (aslc_req & ASLC_CONVERTIBLE_INDICATOR)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_set_convertible(dev_priv, asle->iuer);
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2013-09-17 22:14:11 +08:00
|
|
|
if (aslc_req & ASLC_DOCKING_INDICATOR)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_set_docking(dev_priv, asle->iuer);
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2013-09-17 22:14:11 +08:00
|
|
|
if (aslc_req & ASLC_ISCT_STATE_CHANGE)
|
2016-05-23 22:08:09 +08:00
|
|
|
aslc_stat |= asle_isct_state(dev_priv);
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
asle->aslc = aslc_stat;
|
2008-08-06 02:37:25 +08:00
|
|
|
}
|
|
|
|
|
2016-05-06 21:48:28 +08:00
|
|
|
void intel_opregion_asle_intr(struct drm_i915_private *dev_priv)
|
2013-11-01 00:55:48 +08:00
|
|
|
{
|
|
|
|
if (dev_priv->opregion.asle)
|
|
|
|
schedule_work(&dev_priv->opregion.asle_work);
|
|
|
|
}
|
|
|
|
|
2008-08-06 02:37:25 +08:00
|
|
|
#define ACPI_EV_DISPLAY_SWITCH (1<<0)
|
|
|
|
#define ACPI_EV_LID (1<<1)
|
|
|
|
#define ACPI_EV_DOCK (1<<2)
|
|
|
|
|
|
|
|
static struct intel_opregion *system_opregion;
|
|
|
|
|
2008-12-19 04:18:47 +08:00
|
|
|
static int intel_opregion_video_event(struct notifier_block *nb,
|
|
|
|
unsigned long val, void *data)
|
2008-08-06 02:37:25 +08:00
|
|
|
{
|
|
|
|
/* 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.
|
2011-07-13 06:30:52 +08:00
|
|
|
*/
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2011-07-13 06:30:52 +08:00
|
|
|
struct acpi_bus_event *event = data;
|
2015-10-13 05:12:57 +08:00
|
|
|
struct opregion_acpi *acpi;
|
2011-07-13 06:30:52 +08:00
|
|
|
int ret = NOTIFY_OK;
|
|
|
|
|
|
|
|
if (strcmp(event->device_class, ACPI_VIDEO_CLASS) != 0)
|
|
|
|
return NOTIFY_DONE;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
|
|
|
if (!system_opregion)
|
|
|
|
return NOTIFY_DONE;
|
|
|
|
|
|
|
|
acpi = system_opregion->acpi;
|
2011-07-13 06:30:52 +08:00
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
if (event->type == 0x80 && ((acpi->cevt & 1) == 0))
|
2011-07-13 06:30:52 +08:00
|
|
|
ret = NOTIFY_BAD;
|
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
acpi->csts = 0;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2011-07-13 06:30:52 +08:00
|
|
|
return ret;
|
2008-08-06 02:37:25 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct notifier_block intel_opregion_notifier = {
|
|
|
|
.notifier_call = intel_opregion_video_event,
|
|
|
|
};
|
|
|
|
|
2009-03-20 05:35:39 +08:00
|
|
|
/*
|
|
|
|
* 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)
|
|
|
|
*/
|
|
|
|
|
2015-07-02 22:43:24 +08:00
|
|
|
static u32 get_did(struct intel_opregion *opregion, int i)
|
|
|
|
{
|
|
|
|
u32 did;
|
|
|
|
|
|
|
|
if (i < ARRAY_SIZE(opregion->acpi->didl)) {
|
2015-10-13 05:12:57 +08:00
|
|
|
did = opregion->acpi->didl[i];
|
2015-07-02 22:43:24 +08:00
|
|
|
} else {
|
|
|
|
i -= ARRAY_SIZE(opregion->acpi->didl);
|
|
|
|
|
|
|
|
if (WARN_ON(i >= ARRAY_SIZE(opregion->acpi->did2)))
|
|
|
|
return 0;
|
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
did = opregion->acpi->did2[i];
|
2015-07-02 22:43:24 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return did;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_did(struct intel_opregion *opregion, int i, u32 val)
|
|
|
|
{
|
|
|
|
if (i < ARRAY_SIZE(opregion->acpi->didl)) {
|
2015-10-13 05:12:57 +08:00
|
|
|
opregion->acpi->didl[i] = val;
|
2015-07-02 22:43:24 +08:00
|
|
|
} else {
|
|
|
|
i -= ARRAY_SIZE(opregion->acpi->didl);
|
|
|
|
|
|
|
|
if (WARN_ON(i >= ARRAY_SIZE(opregion->acpi->did2)))
|
|
|
|
return;
|
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
opregion->acpi->did2[i] = val;
|
2015-07-02 22:43:24 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2016-06-13 17:30:06 +08:00
|
|
|
static u32 acpi_display_type(struct drm_connector *connector)
|
|
|
|
{
|
2016-06-13 17:30:07 +08:00
|
|
|
u32 display_type;
|
2016-06-13 17:30:06 +08:00
|
|
|
|
|
|
|
switch (connector->connector_type) {
|
|
|
|
case DRM_MODE_CONNECTOR_VGA:
|
|
|
|
case DRM_MODE_CONNECTOR_DVIA:
|
|
|
|
display_type = ACPI_DISPLAY_TYPE_VGA;
|
|
|
|
break;
|
|
|
|
case DRM_MODE_CONNECTOR_Composite:
|
|
|
|
case DRM_MODE_CONNECTOR_SVIDEO:
|
|
|
|
case DRM_MODE_CONNECTOR_Component:
|
|
|
|
case DRM_MODE_CONNECTOR_9PinDIN:
|
2016-06-13 17:30:07 +08:00
|
|
|
case DRM_MODE_CONNECTOR_TV:
|
2016-06-13 17:30:06 +08:00
|
|
|
display_type = ACPI_DISPLAY_TYPE_TV;
|
|
|
|
break;
|
|
|
|
case DRM_MODE_CONNECTOR_DVII:
|
|
|
|
case DRM_MODE_CONNECTOR_DVID:
|
|
|
|
case DRM_MODE_CONNECTOR_DisplayPort:
|
|
|
|
case DRM_MODE_CONNECTOR_HDMIA:
|
|
|
|
case DRM_MODE_CONNECTOR_HDMIB:
|
|
|
|
display_type = ACPI_DISPLAY_TYPE_EXTERNAL_DIGITAL;
|
|
|
|
break;
|
|
|
|
case DRM_MODE_CONNECTOR_LVDS:
|
2016-06-13 17:30:07 +08:00
|
|
|
case DRM_MODE_CONNECTOR_eDP:
|
|
|
|
case DRM_MODE_CONNECTOR_DSI:
|
2016-06-13 17:30:06 +08:00
|
|
|
display_type = ACPI_DISPLAY_TYPE_INTERNAL_DIGITAL;
|
|
|
|
break;
|
2016-06-13 17:30:07 +08:00
|
|
|
case DRM_MODE_CONNECTOR_Unknown:
|
|
|
|
case DRM_MODE_CONNECTOR_VIRTUAL:
|
|
|
|
display_type = ACPI_DISPLAY_TYPE_OTHER;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
MISSING_CASE(connector->connector_type);
|
|
|
|
display_type = ACPI_DISPLAY_TYPE_OTHER;
|
|
|
|
break;
|
2016-06-13 17:30:06 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
return display_type;
|
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static void intel_didl_outputs(struct drm_i915_private *dev_priv)
|
2009-03-20 05:35:39 +08:00
|
|
|
{
|
|
|
|
struct intel_opregion *opregion = &dev_priv->opregion;
|
2016-07-05 17:40:23 +08:00
|
|
|
struct pci_dev *pdev = dev_priv->drm.pdev;
|
2009-03-20 05:35:39 +08:00
|
|
|
struct drm_connector *connector;
|
2010-03-29 15:12:16 +08:00
|
|
|
acpi_handle handle;
|
|
|
|
struct acpi_device *acpi_dev, *acpi_cdev, *acpi_video_bus = NULL;
|
|
|
|
unsigned long long device_id;
|
|
|
|
acpi_status status;
|
2015-07-02 22:43:25 +08:00
|
|
|
u32 temp, max_outputs;
|
2009-03-20 05:35:39 +08:00
|
|
|
int i = 0;
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
handle = ACPI_HANDLE(&pdev->dev);
|
2013-02-01 09:14:20 +08:00
|
|
|
if (!handle || acpi_bus_get_device(handle, &acpi_dev))
|
2010-03-29 15:12:16 +08:00
|
|
|
return;
|
|
|
|
|
2013-03-05 05:30:41 +08:00
|
|
|
if (acpi_is_video_device(handle))
|
2010-03-29 15:12:16 +08:00
|
|
|
acpi_video_bus = acpi_dev;
|
|
|
|
else {
|
|
|
|
list_for_each_entry(acpi_cdev, &acpi_dev->children, node) {
|
2013-03-05 05:30:41 +08:00
|
|
|
if (acpi_is_video_device(acpi_cdev->handle)) {
|
2010-03-29 15:12:16 +08:00
|
|
|
acpi_video_bus = acpi_cdev;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!acpi_video_bus) {
|
2015-10-23 17:00:06 +08:00
|
|
|
DRM_DEBUG_KMS("No ACPI video bus found\n");
|
2010-03-29 15:12:16 +08:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2015-07-02 22:43:25 +08:00
|
|
|
/*
|
|
|
|
* In theory, did2, the extended didl, gets added at opregion version
|
|
|
|
* 3.0. In practice, however, we're supposed to set it for earlier
|
|
|
|
* versions as well, since a BIOS that doesn't understand did2 should
|
|
|
|
* not look at it anyway. Use a variable so we can tweak this if a need
|
|
|
|
* arises later.
|
|
|
|
*/
|
|
|
|
max_outputs = ARRAY_SIZE(opregion->acpi->didl) +
|
|
|
|
ARRAY_SIZE(opregion->acpi->did2);
|
|
|
|
|
2010-03-29 15:12:16 +08:00
|
|
|
list_for_each_entry(acpi_cdev, &acpi_video_bus->children, node) {
|
2015-07-02 22:43:25 +08:00
|
|
|
if (i >= max_outputs) {
|
|
|
|
DRM_DEBUG_KMS("More than %u outputs detected via ACPI\n",
|
|
|
|
max_outputs);
|
2010-03-29 15:12:16 +08:00
|
|
|
return;
|
|
|
|
}
|
2015-07-02 22:43:24 +08:00
|
|
|
status = acpi_evaluate_integer(acpi_cdev->handle, "_ADR",
|
|
|
|
NULL, &device_id);
|
2010-03-29 15:12:16 +08:00
|
|
|
if (ACPI_SUCCESS(status)) {
|
|
|
|
if (!device_id)
|
|
|
|
goto blind_set;
|
2015-07-02 22:43:24 +08:00
|
|
|
set_did(opregion, i++, (u32)(device_id & 0x0f0f));
|
2010-03-29 15:12:16 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
end:
|
2015-07-02 22:43:25 +08:00
|
|
|
DRM_DEBUG_KMS("%d outputs detected\n", i);
|
|
|
|
|
|
|
|
/* If fewer than max outputs, the list must be null terminated */
|
|
|
|
if (i < max_outputs)
|
2015-07-02 22:43:24 +08:00
|
|
|
set_did(opregion, i, 0);
|
2010-03-29 15:12:16 +08:00
|
|
|
return;
|
|
|
|
|
|
|
|
blind_set:
|
|
|
|
i = 0;
|
2016-07-05 17:40:23 +08:00
|
|
|
list_for_each_entry(connector,
|
|
|
|
&dev_priv->drm.mode_config.connector_list, head) {
|
2016-06-13 17:30:06 +08:00
|
|
|
int display_type = acpi_display_type(connector);
|
|
|
|
|
2015-07-02 22:43:25 +08:00
|
|
|
if (i >= max_outputs) {
|
|
|
|
DRM_DEBUG_KMS("More than %u outputs in connector list\n",
|
|
|
|
max_outputs);
|
2009-03-20 05:35:39 +08:00
|
|
|
return;
|
|
|
|
}
|
2016-06-13 17:30:06 +08:00
|
|
|
|
2015-07-02 22:43:24 +08:00
|
|
|
temp = get_did(opregion, i);
|
2016-06-13 17:30:06 +08:00
|
|
|
set_did(opregion, i, temp | (1 << 31) | display_type | i);
|
2009-03-20 05:35:39 +08:00
|
|
|
i++;
|
|
|
|
}
|
2010-03-29 15:12:16 +08:00
|
|
|
goto end;
|
2009-03-20 05:35:39 +08:00
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static void intel_setup_cadls(struct drm_i915_private *dev_priv)
|
2012-06-26 06:36:24 +08:00
|
|
|
{
|
|
|
|
struct intel_opregion *opregion = &dev_priv->opregion;
|
|
|
|
int i = 0;
|
|
|
|
u32 disp_id;
|
|
|
|
|
|
|
|
/* Initialize the CADL field by duplicating the DIDL values.
|
|
|
|
* Technically, this is not always correct as display outputs may exist,
|
|
|
|
* but not active. This initialization is necessary for some Clevo
|
|
|
|
* laptops that check this field before processing the brightness and
|
|
|
|
* display switching hotkeys. Just like DIDL, CADL is NULL-terminated if
|
|
|
|
* there are less than eight devices. */
|
|
|
|
do {
|
2015-07-02 22:43:24 +08:00
|
|
|
disp_id = get_did(opregion, i);
|
2015-10-13 05:12:57 +08:00
|
|
|
opregion->acpi->cadl[i] = disp_id;
|
2012-06-26 06:36:24 +08:00
|
|
|
} while (++i < 8 && disp_id != 0);
|
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:10 +08:00
|
|
|
void intel_opregion_register(struct drm_i915_private *dev_priv)
|
2010-08-19 23:09:23 +08:00
|
|
|
{
|
|
|
|
struct intel_opregion *opregion = &dev_priv->opregion;
|
|
|
|
|
|
|
|
if (!opregion->header)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (opregion->acpi) {
|
2016-05-23 22:08:09 +08:00
|
|
|
intel_didl_outputs(dev_priv);
|
|
|
|
intel_setup_cadls(dev_priv);
|
2010-08-19 23:09:23 +08:00
|
|
|
|
|
|
|
/* Notify BIOS we are ready to handle ACPI video ext notifs.
|
|
|
|
* Right now, all the events are handled by the ACPI video module.
|
|
|
|
* We don't actually need to do anything with them. */
|
2015-10-13 05:12:57 +08:00
|
|
|
opregion->acpi->csts = 0;
|
|
|
|
opregion->acpi->drdy = 1;
|
2010-08-19 23:09:23 +08:00
|
|
|
|
|
|
|
system_opregion = opregion;
|
|
|
|
register_acpi_notifier(&intel_opregion_notifier);
|
|
|
|
}
|
|
|
|
|
2013-04-29 18:02:51 +08:00
|
|
|
if (opregion->asle) {
|
2015-10-13 05:12:57 +08:00
|
|
|
opregion->asle->tche = ASLE_TCHE_BLC_EN;
|
|
|
|
opregion->asle->ardy = ASLE_ARDY_READY;
|
2013-04-29 18:02:51 +08:00
|
|
|
}
|
2010-08-19 23:09:23 +08:00
|
|
|
}
|
|
|
|
|
2016-05-23 22:08:10 +08:00
|
|
|
void intel_opregion_unregister(struct drm_i915_private *dev_priv)
|
2010-08-19 23:09:23 +08:00
|
|
|
{
|
|
|
|
struct intel_opregion *opregion = &dev_priv->opregion;
|
|
|
|
|
|
|
|
if (!opregion->header)
|
|
|
|
return;
|
|
|
|
|
2013-04-29 18:02:51 +08:00
|
|
|
if (opregion->asle)
|
2015-10-13 05:12:57 +08:00
|
|
|
opregion->asle->ardy = ASLE_ARDY_NOT_READY;
|
2013-04-29 18:02:51 +08:00
|
|
|
|
2013-11-01 00:55:48 +08:00
|
|
|
cancel_work_sync(&dev_priv->opregion.asle_work);
|
|
|
|
|
2010-08-19 23:09:23 +08:00
|
|
|
if (opregion->acpi) {
|
2015-10-13 05:12:57 +08:00
|
|
|
opregion->acpi->drdy = 0;
|
2010-08-19 23:09:23 +08:00
|
|
|
|
|
|
|
system_opregion = NULL;
|
|
|
|
unregister_acpi_notifier(&intel_opregion_notifier);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* just clear all opregion memory pointers now */
|
2015-10-13 05:12:57 +08:00
|
|
|
memunmap(opregion->header);
|
2015-12-15 19:18:00 +08:00
|
|
|
if (opregion->rvda) {
|
|
|
|
memunmap(opregion->rvda);
|
|
|
|
opregion->rvda = NULL;
|
|
|
|
}
|
2010-08-19 23:09:23 +08:00
|
|
|
opregion->header = NULL;
|
|
|
|
opregion->acpi = NULL;
|
|
|
|
opregion->swsci = NULL;
|
|
|
|
opregion->asle = NULL;
|
|
|
|
opregion->vbt = NULL;
|
2013-09-13 00:58:20 +08:00
|
|
|
opregion->lid_state = NULL;
|
2010-08-19 23:09:23 +08:00
|
|
|
}
|
2013-09-02 15:38:59 +08:00
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
static void swsci_setup(struct drm_i915_private *dev_priv)
|
2013-09-02 15:38:59 +08:00
|
|
|
{
|
|
|
|
struct intel_opregion *opregion = &dev_priv->opregion;
|
|
|
|
bool requested_callbacks = false;
|
|
|
|
u32 tmp;
|
|
|
|
|
|
|
|
/* Sub-function code 0 is okay, let's allow them. */
|
|
|
|
opregion->swsci_gbda_sub_functions = 1;
|
|
|
|
opregion->swsci_sbcb_sub_functions = 1;
|
|
|
|
|
|
|
|
/* We use GBDA to ask for supported GBDA calls. */
|
2016-05-23 22:08:09 +08:00
|
|
|
if (swsci(dev_priv, SWSCI_GBDA_SUPPORTED_CALLS, 0, &tmp) == 0) {
|
2013-09-02 15:38:59 +08:00
|
|
|
/* make the bits match the sub-function codes */
|
|
|
|
tmp <<= 1;
|
|
|
|
opregion->swsci_gbda_sub_functions |= tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We also use GBDA to ask for _requested_ SBCB callbacks. The driver
|
|
|
|
* must not call interfaces that are not specifically requested by the
|
|
|
|
* bios.
|
|
|
|
*/
|
2016-05-23 22:08:09 +08:00
|
|
|
if (swsci(dev_priv, SWSCI_GBDA_REQUESTED_CALLBACKS, 0, &tmp) == 0) {
|
2013-09-02 15:38:59 +08:00
|
|
|
/* here, the bits already match sub-function codes */
|
|
|
|
opregion->swsci_sbcb_sub_functions |= tmp;
|
|
|
|
requested_callbacks = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* But we use SBCB to ask for _supported_ SBCB calls. This does not mean
|
|
|
|
* the callback is _requested_. But we still can't call interfaces that
|
|
|
|
* are not requested.
|
|
|
|
*/
|
2016-05-23 22:08:09 +08:00
|
|
|
if (swsci(dev_priv, SWSCI_SBCB_SUPPORTED_CALLBACKS, 0, &tmp) == 0) {
|
2013-09-02 15:38:59 +08:00
|
|
|
/* make the bits match the sub-function codes */
|
|
|
|
u32 low = tmp & 0x7ff;
|
|
|
|
u32 high = tmp & ~0xfff; /* bit 11 is reserved */
|
|
|
|
tmp = (high << 4) | (low << 1) | 1;
|
|
|
|
|
|
|
|
/* best guess what to do with supported wrt requested */
|
|
|
|
if (requested_callbacks) {
|
|
|
|
u32 req = opregion->swsci_sbcb_sub_functions;
|
|
|
|
if ((req & tmp) != req)
|
|
|
|
DRM_DEBUG_DRIVER("SWSCI BIOS requested (%08x) SBCB callbacks that are not supported (%08x)\n", req, tmp);
|
|
|
|
/* XXX: for now, trust the requested callbacks */
|
|
|
|
/* opregion->swsci_sbcb_sub_functions &= tmp; */
|
|
|
|
} else {
|
|
|
|
opregion->swsci_sbcb_sub_functions |= tmp;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
DRM_DEBUG_DRIVER("SWSCI GBDA callbacks %08x, SBCB callbacks %08x\n",
|
|
|
|
opregion->swsci_gbda_sub_functions,
|
|
|
|
opregion->swsci_sbcb_sub_functions);
|
|
|
|
}
|
2010-08-19 23:09:23 +08:00
|
|
|
|
2015-12-14 18:50:46 +08:00
|
|
|
static int intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
|
|
|
|
{
|
|
|
|
DRM_DEBUG_KMS("Falling back to manually reading VBT from "
|
|
|
|
"VBIOS ROM for %s\n", id->ident);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct dmi_system_id intel_no_opregion_vbt[] = {
|
|
|
|
{
|
|
|
|
.callback = intel_no_opregion_vbt_callback,
|
|
|
|
.ident = "ThinkCentre A57",
|
|
|
|
.matches = {
|
|
|
|
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
|
|
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "97027RG"),
|
|
|
|
},
|
|
|
|
},
|
|
|
|
{ }
|
|
|
|
};
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
int intel_opregion_setup(struct drm_i915_private *dev_priv)
|
2008-08-06 02:37:25 +08:00
|
|
|
{
|
|
|
|
struct intel_opregion *opregion = &dev_priv->opregion;
|
2016-07-05 17:40:23 +08:00
|
|
|
struct pci_dev *pdev = dev_priv->drm.pdev;
|
2008-08-06 02:37:25 +08:00
|
|
|
u32 asls, mboxes;
|
2012-04-17 05:07:42 +08:00
|
|
|
char buf[sizeof(OPREGION_SIGNATURE)];
|
2008-08-06 02:37:25 +08:00
|
|
|
int err = 0;
|
2015-10-13 05:12:57 +08:00
|
|
|
void *base;
|
2008-08-06 02:37:25 +08:00
|
|
|
|
2015-07-02 22:43:21 +08:00
|
|
|
BUILD_BUG_ON(sizeof(struct opregion_header) != 0x100);
|
|
|
|
BUILD_BUG_ON(sizeof(struct opregion_acpi) != 0x100);
|
|
|
|
BUILD_BUG_ON(sizeof(struct opregion_swsci) != 0x100);
|
|
|
|
BUILD_BUG_ON(sizeof(struct opregion_asle) != 0x100);
|
2015-12-14 18:50:45 +08:00
|
|
|
BUILD_BUG_ON(sizeof(struct opregion_asle_ext) != 0x400);
|
2015-07-02 22:43:21 +08:00
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
pci_read_config_dword(pdev, ASLS, &asls);
|
2009-10-09 11:39:40 +08:00
|
|
|
DRM_DEBUG_DRIVER("graphic opregion physical addr: 0x%x\n", asls);
|
2008-08-06 02:37:25 +08:00
|
|
|
if (asls == 0) {
|
2009-10-09 11:39:40 +08:00
|
|
|
DRM_DEBUG_DRIVER("ACPI OpRegion not supported!\n");
|
2008-08-06 02:37:25 +08:00
|
|
|
return -ENOTSUPP;
|
|
|
|
}
|
|
|
|
|
2013-11-01 00:55:48 +08:00
|
|
|
INIT_WORK(&opregion->asle_work, asle_work);
|
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
base = memremap(asls, OPREGION_SIZE, MEMREMAP_WB);
|
2008-08-06 02:37:25 +08:00
|
|
|
if (!base)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
memcpy(buf, base, sizeof(buf));
|
2012-04-17 05:07:42 +08:00
|
|
|
|
|
|
|
if (memcmp(buf, OPREGION_SIGNATURE, 16)) {
|
2009-10-09 11:39:40 +08:00
|
|
|
DRM_DEBUG_DRIVER("opregion signature mismatch\n");
|
2008-08-06 02:37:25 +08:00
|
|
|
err = -EINVAL;
|
|
|
|
goto err_out;
|
|
|
|
}
|
2010-08-19 23:09:23 +08:00
|
|
|
opregion->header = base;
|
2011-02-25 02:13:42 +08:00
|
|
|
opregion->lid_state = base + ACPI_CLID;
|
2011-01-17 03:37:30 +08:00
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
mboxes = opregion->header->mboxes;
|
2008-08-06 02:37:25 +08:00
|
|
|
if (mboxes & MBOX_ACPI) {
|
2009-10-09 11:39:40 +08:00
|
|
|
DRM_DEBUG_DRIVER("Public ACPI methods supported\n");
|
2008-08-06 02:37:25 +08:00
|
|
|
opregion->acpi = base + OPREGION_ACPI_OFFSET;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (mboxes & MBOX_SWSCI) {
|
2009-10-09 11:39:40 +08:00
|
|
|
DRM_DEBUG_DRIVER("SWSCI supported\n");
|
2008-08-06 02:37:25 +08:00
|
|
|
opregion->swsci = base + OPREGION_SWSCI_OFFSET;
|
2016-05-23 22:08:09 +08:00
|
|
|
swsci_setup(dev_priv);
|
2008-08-06 02:37:25 +08:00
|
|
|
}
|
2015-12-14 18:50:45 +08:00
|
|
|
|
2008-08-06 02:37:25 +08:00
|
|
|
if (mboxes & MBOX_ASLE) {
|
2009-10-09 11:39:40 +08:00
|
|
|
DRM_DEBUG_DRIVER("ASLE supported\n");
|
2008-08-06 02:37:25 +08:00
|
|
|
opregion->asle = base + OPREGION_ASLE_OFFSET;
|
2013-04-29 18:02:51 +08:00
|
|
|
|
2015-10-13 05:12:57 +08:00
|
|
|
opregion->asle->ardy = ASLE_ARDY_NOT_READY;
|
2008-08-06 02:37:25 +08:00
|
|
|
}
|
|
|
|
|
2015-12-14 18:50:45 +08:00
|
|
|
if (mboxes & MBOX_ASLE_EXT)
|
|
|
|
DRM_DEBUG_DRIVER("ASLE extension supported\n");
|
|
|
|
|
2015-12-15 19:16:15 +08:00
|
|
|
if (!dmi_check_system(intel_no_opregion_vbt)) {
|
2015-12-15 19:18:00 +08:00
|
|
|
const void *vbt = NULL;
|
|
|
|
u32 vbt_size = 0;
|
|
|
|
|
|
|
|
if (opregion->header->opregion_ver >= 2 && opregion->asle &&
|
|
|
|
opregion->asle->rvda && opregion->asle->rvds) {
|
|
|
|
opregion->rvda = memremap(opregion->asle->rvda,
|
|
|
|
opregion->asle->rvds,
|
|
|
|
MEMREMAP_WB);
|
|
|
|
vbt = opregion->rvda;
|
|
|
|
vbt_size = opregion->asle->rvds;
|
|
|
|
}
|
2015-12-15 19:16:15 +08:00
|
|
|
|
|
|
|
if (intel_bios_is_valid_vbt(vbt, vbt_size)) {
|
2015-12-15 19:18:00 +08:00
|
|
|
DRM_DEBUG_KMS("Found valid VBT in ACPI OpRegion (RVDA)\n");
|
2015-12-15 19:16:15 +08:00
|
|
|
opregion->vbt = vbt;
|
2015-12-15 19:17:12 +08:00
|
|
|
opregion->vbt_size = vbt_size;
|
2015-12-15 19:18:00 +08:00
|
|
|
} else {
|
|
|
|
vbt = base + OPREGION_VBT_OFFSET;
|
|
|
|
vbt_size = OPREGION_ASLE_EXT_OFFSET - OPREGION_VBT_OFFSET;
|
|
|
|
if (intel_bios_is_valid_vbt(vbt, vbt_size)) {
|
|
|
|
DRM_DEBUG_KMS("Found valid VBT in ACPI OpRegion (Mailbox #4)\n");
|
|
|
|
opregion->vbt = vbt;
|
|
|
|
opregion->vbt_size = vbt_size;
|
|
|
|
}
|
2015-12-15 19:16:15 +08:00
|
|
|
}
|
|
|
|
}
|
2015-12-14 18:50:46 +08:00
|
|
|
|
2008-08-06 02:37:25 +08:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_out:
|
2015-10-13 05:12:57 +08:00
|
|
|
memunmap(base);
|
2008-08-06 02:37:25 +08:00
|
|
|
return err;
|
|
|
|
}
|
2016-04-11 15:23:51 +08:00
|
|
|
|
|
|
|
int
|
2016-05-23 22:08:09 +08:00
|
|
|
intel_opregion_get_panel_type(struct drm_i915_private *dev_priv)
|
2016-04-11 15:23:51 +08:00
|
|
|
{
|
|
|
|
u32 panel_details;
|
|
|
|
int ret;
|
|
|
|
|
2016-05-23 22:08:09 +08:00
|
|
|
ret = swsci(dev_priv, SWSCI_GBDA_PANEL_DETAILS, 0x0, &panel_details);
|
2016-04-11 15:23:51 +08:00
|
|
|
if (ret) {
|
|
|
|
DRM_DEBUG_KMS("Failed to get panel details from OpRegion (%d)\n",
|
|
|
|
ret);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = (panel_details >> 8) & 0xff;
|
|
|
|
if (ret > 0x10) {
|
|
|
|
DRM_DEBUG_KMS("Invalid OpRegion panel type 0x%x\n", ret);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* fall back to VBT panel type? */
|
|
|
|
if (ret == 0x0) {
|
|
|
|
DRM_DEBUG_KMS("No panel type in OpRegion\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret - 1;
|
|
|
|
}
|