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1 | /* |
1 | /* |
2 | * Copyright 2008 Intel Corporation |
2 | * Copyright 2008 Intel Corporation |
3 | * Copyright 2008 Red Hat |
3 | * Copyright 2008 Red Hat |
4 | * |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining |
5 | * Permission is hereby granted, free of charge, to any person obtaining |
6 | * a copy of this software and associated documentation files (the |
6 | * a copy of this software and associated documentation files (the |
7 | * "Software"), to deal in the Software without restriction, including |
7 | * "Software"), to deal in the Software without restriction, including |
8 | * without limitation the rights to use, copy, modify, merge, publish, |
8 | * without limitation the rights to use, copy, modify, merge, publish, |
9 | * distribute, sub license, and/or sell copies of the Software, and to |
9 | * distribute, sub license, and/or sell copies of the Software, and to |
10 | * permit persons to whom the Software is furnished to do so, subject to |
10 | * permit persons to whom the Software is furnished to do so, subject to |
11 | * the following conditions: |
11 | * the following conditions: |
12 | * |
12 | * |
13 | * The above copyright notice and this permission notice (including the |
13 | * The above copyright notice and this permission notice (including the |
14 | * next paragraph) shall be included in all copies or substantial |
14 | * next paragraph) shall be included in all copies or substantial |
15 | * portions of the Software. |
15 | * portions of the Software. |
16 | * |
16 | * |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
20 | * NON-INFRINGEMENT. IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE |
20 | * NON-INFRINGEMENT. IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
22 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
22 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
23 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
23 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
24 | * SOFTWARE. |
24 | * SOFTWARE. |
25 | * |
25 | * |
26 | */ |
26 | */ |
27 | - | ||
28 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
- | |
29 | 27 | ||
30 | #include |
28 | #include |
31 | #include |
29 | #include |
32 | 30 | ||
33 | #include |
31 | #include |
34 | #include |
32 | #include |
35 | #include "i915_drv.h" |
33 | #include "i915_drv.h" |
36 | #include "intel_drv.h" |
34 | #include "intel_drv.h" |
37 | 35 | ||
38 | #define PCI_ASLE 0xe4 |
36 | #define PCI_ASLE 0xe4 |
39 | #define PCI_ASLS 0xfc |
37 | #define PCI_ASLS 0xfc |
40 | #define PCI_SWSCI 0xe8 |
38 | #define PCI_SWSCI 0xe8 |
41 | #define PCI_SWSCI_SCISEL (1 << 15) |
39 | #define PCI_SWSCI_SCISEL (1 << 15) |
42 | #define PCI_SWSCI_GSSCIE (1 << 0) |
40 | #define PCI_SWSCI_GSSCIE (1 << 0) |
43 | 41 | ||
44 | #define OPREGION_HEADER_OFFSET 0 |
42 | #define OPREGION_HEADER_OFFSET 0 |
45 | #define OPREGION_ACPI_OFFSET 0x100 |
43 | #define OPREGION_ACPI_OFFSET 0x100 |
46 | #define ACPI_CLID 0x01ac /* current lid state indicator */ |
44 | #define ACPI_CLID 0x01ac /* current lid state indicator */ |
47 | #define ACPI_CDCK 0x01b0 /* current docking state indicator */ |
45 | #define ACPI_CDCK 0x01b0 /* current docking state indicator */ |
48 | #define OPREGION_SWSCI_OFFSET 0x200 |
46 | #define OPREGION_SWSCI_OFFSET 0x200 |
49 | #define OPREGION_ASLE_OFFSET 0x300 |
47 | #define OPREGION_ASLE_OFFSET 0x300 |
50 | #define OPREGION_VBT_OFFSET 0x400 |
48 | #define OPREGION_VBT_OFFSET 0x400 |
51 | 49 | ||
52 | #define OPREGION_SIGNATURE "IntelGraphicsMem" |
50 | #define OPREGION_SIGNATURE "IntelGraphicsMem" |
53 | #define MBOX_ACPI (1<<0) |
51 | #define MBOX_ACPI (1<<0) |
54 | #define MBOX_SWSCI (1<<1) |
52 | #define MBOX_SWSCI (1<<1) |
55 | #define MBOX_ASLE (1<<2) |
53 | #define MBOX_ASLE (1<<2) |
56 | #define MBOX_ASLE_EXT (1<<4) |
54 | #define MBOX_ASLE_EXT (1<<4) |
57 | 55 | ||
58 | struct opregion_header { |
56 | struct opregion_header { |
59 | u8 signature[16]; |
57 | u8 signature[16]; |
60 | u32 size; |
58 | u32 size; |
61 | u32 opregion_ver; |
59 | u32 opregion_ver; |
62 | u8 bios_ver[32]; |
60 | u8 bios_ver[32]; |
63 | u8 vbios_ver[16]; |
61 | u8 vbios_ver[16]; |
64 | u8 driver_ver[16]; |
62 | u8 driver_ver[16]; |
65 | u32 mboxes; |
63 | u32 mboxes; |
66 | u32 driver_model; |
64 | u32 driver_model; |
67 | u32 pcon; |
65 | u32 pcon; |
68 | u8 dver[32]; |
66 | u8 dver[32]; |
69 | u8 rsvd[124]; |
67 | u8 rsvd[124]; |
70 | } __packed; |
68 | } __packed; |
71 | 69 | ||
72 | /* OpRegion mailbox #1: public ACPI methods */ |
70 | /* OpRegion mailbox #1: public ACPI methods */ |
73 | struct opregion_acpi { |
71 | struct opregion_acpi { |
74 | u32 drdy; /* driver readiness */ |
72 | u32 drdy; /* driver readiness */ |
75 | u32 csts; /* notification status */ |
73 | u32 csts; /* notification status */ |
76 | u32 cevt; /* current event */ |
74 | u32 cevt; /* current event */ |
77 | u8 rsvd1[20]; |
75 | u8 rsvd1[20]; |
78 | u32 didl[8]; /* supported display devices ID list */ |
76 | u32 didl[8]; /* supported display devices ID list */ |
79 | u32 cpdl[8]; /* currently presented display list */ |
77 | u32 cpdl[8]; /* currently presented display list */ |
80 | u32 cadl[8]; /* currently active display list */ |
78 | u32 cadl[8]; /* currently active display list */ |
81 | u32 nadl[8]; /* next active devices list */ |
79 | u32 nadl[8]; /* next active devices list */ |
82 | u32 aslp; /* ASL sleep time-out */ |
80 | u32 aslp; /* ASL sleep time-out */ |
83 | u32 tidx; /* toggle table index */ |
81 | u32 tidx; /* toggle table index */ |
84 | u32 chpd; /* current hotplug enable indicator */ |
82 | u32 chpd; /* current hotplug enable indicator */ |
85 | u32 clid; /* current lid state*/ |
83 | u32 clid; /* current lid state*/ |
86 | u32 cdck; /* current docking state */ |
84 | u32 cdck; /* current docking state */ |
87 | u32 sxsw; /* Sx state resume */ |
85 | u32 sxsw; /* Sx state resume */ |
88 | u32 evts; /* ASL supported events */ |
86 | u32 evts; /* ASL supported events */ |
89 | u32 cnot; /* current OS notification */ |
87 | u32 cnot; /* current OS notification */ |
90 | u32 nrdy; /* driver status */ |
88 | u32 nrdy; /* driver status */ |
91 | u32 did2[7]; /* extended supported display devices ID list */ |
89 | u32 did2[7]; /* extended supported display devices ID list */ |
92 | u32 cpd2[7]; /* extended attached display devices list */ |
90 | u32 cpd2[7]; /* extended attached display devices list */ |
93 | u8 rsvd2[4]; |
91 | u8 rsvd2[4]; |
94 | } __packed; |
92 | } __packed; |
95 | 93 | ||
96 | /* OpRegion mailbox #2: SWSCI */ |
94 | /* OpRegion mailbox #2: SWSCI */ |
97 | struct opregion_swsci { |
95 | struct opregion_swsci { |
98 | u32 scic; /* SWSCI command|status|data */ |
96 | u32 scic; /* SWSCI command|status|data */ |
99 | u32 parm; /* command parameters */ |
97 | u32 parm; /* command parameters */ |
100 | u32 dslp; /* driver sleep time-out */ |
98 | u32 dslp; /* driver sleep time-out */ |
101 | u8 rsvd[244]; |
99 | u8 rsvd[244]; |
102 | } __packed; |
100 | } __packed; |
103 | 101 | ||
104 | /* OpRegion mailbox #3: ASLE */ |
102 | /* OpRegion mailbox #3: ASLE */ |
105 | struct opregion_asle { |
103 | struct opregion_asle { |
106 | u32 ardy; /* driver readiness */ |
104 | u32 ardy; /* driver readiness */ |
107 | u32 aslc; /* ASLE interrupt command */ |
105 | u32 aslc; /* ASLE interrupt command */ |
108 | u32 tche; /* technology enabled indicator */ |
106 | u32 tche; /* technology enabled indicator */ |
109 | u32 alsi; /* current ALS illuminance reading */ |
107 | u32 alsi; /* current ALS illuminance reading */ |
110 | u32 bclp; /* backlight brightness to set */ |
108 | u32 bclp; /* backlight brightness to set */ |
111 | u32 pfit; /* panel fitting state */ |
109 | u32 pfit; /* panel fitting state */ |
112 | u32 cblv; /* current brightness level */ |
110 | u32 cblv; /* current brightness level */ |
113 | u16 bclm[20]; /* backlight level duty cycle mapping table */ |
111 | u16 bclm[20]; /* backlight level duty cycle mapping table */ |
114 | u32 cpfm; /* current panel fitting mode */ |
112 | u32 cpfm; /* current panel fitting mode */ |
115 | u32 epfm; /* enabled panel fitting modes */ |
113 | u32 epfm; /* enabled panel fitting modes */ |
116 | u8 plut[74]; /* panel LUT and identifier */ |
114 | u8 plut[74]; /* panel LUT and identifier */ |
117 | u32 pfmb; /* PWM freq and min brightness */ |
115 | u32 pfmb; /* PWM freq and min brightness */ |
118 | u32 cddv; /* color correction default values */ |
116 | u32 cddv; /* color correction default values */ |
119 | u32 pcft; /* power conservation features */ |
117 | u32 pcft; /* power conservation features */ |
120 | u32 srot; /* supported rotation angles */ |
118 | u32 srot; /* supported rotation angles */ |
121 | u32 iuer; /* IUER events */ |
119 | u32 iuer; /* IUER events */ |
122 | u64 fdss; |
120 | u64 fdss; |
123 | u32 fdsp; |
121 | u32 fdsp; |
124 | u32 stat; |
122 | u32 stat; |
125 | u8 rsvd[70]; |
123 | u8 rsvd[70]; |
126 | } __packed; |
124 | } __packed; |
127 | 125 | ||
128 | /* Driver readiness indicator */ |
126 | /* Driver readiness indicator */ |
129 | #define ASLE_ARDY_READY (1 << 0) |
127 | #define ASLE_ARDY_READY (1 << 0) |
130 | #define ASLE_ARDY_NOT_READY (0 << 0) |
128 | #define ASLE_ARDY_NOT_READY (0 << 0) |
131 | 129 | ||
132 | /* ASLE Interrupt Command (ASLC) bits */ |
130 | /* ASLE Interrupt Command (ASLC) bits */ |
133 | #define ASLC_SET_ALS_ILLUM (1 << 0) |
131 | #define ASLC_SET_ALS_ILLUM (1 << 0) |
134 | #define ASLC_SET_BACKLIGHT (1 << 1) |
132 | #define ASLC_SET_BACKLIGHT (1 << 1) |
135 | #define ASLC_SET_PFIT (1 << 2) |
133 | #define ASLC_SET_PFIT (1 << 2) |
136 | #define ASLC_SET_PWM_FREQ (1 << 3) |
134 | #define ASLC_SET_PWM_FREQ (1 << 3) |
137 | #define ASLC_SUPPORTED_ROTATION_ANGLES (1 << 4) |
135 | #define ASLC_SUPPORTED_ROTATION_ANGLES (1 << 4) |
138 | #define ASLC_BUTTON_ARRAY (1 << 5) |
136 | #define ASLC_BUTTON_ARRAY (1 << 5) |
139 | #define ASLC_CONVERTIBLE_INDICATOR (1 << 6) |
137 | #define ASLC_CONVERTIBLE_INDICATOR (1 << 6) |
140 | #define ASLC_DOCKING_INDICATOR (1 << 7) |
138 | #define ASLC_DOCKING_INDICATOR (1 << 7) |
141 | #define ASLC_ISCT_STATE_CHANGE (1 << 8) |
139 | #define ASLC_ISCT_STATE_CHANGE (1 << 8) |
142 | #define ASLC_REQ_MSK 0x1ff |
140 | #define ASLC_REQ_MSK 0x1ff |
143 | /* response bits */ |
141 | /* response bits */ |
144 | #define ASLC_ALS_ILLUM_FAILED (1 << 10) |
142 | #define ASLC_ALS_ILLUM_FAILED (1 << 10) |
145 | #define ASLC_BACKLIGHT_FAILED (1 << 12) |
143 | #define ASLC_BACKLIGHT_FAILED (1 << 12) |
146 | #define ASLC_PFIT_FAILED (1 << 14) |
144 | #define ASLC_PFIT_FAILED (1 << 14) |
147 | #define ASLC_PWM_FREQ_FAILED (1 << 16) |
145 | #define ASLC_PWM_FREQ_FAILED (1 << 16) |
148 | #define ASLC_ROTATION_ANGLES_FAILED (1 << 18) |
146 | #define ASLC_ROTATION_ANGLES_FAILED (1 << 18) |
149 | #define ASLC_BUTTON_ARRAY_FAILED (1 << 20) |
147 | #define ASLC_BUTTON_ARRAY_FAILED (1 << 20) |
150 | #define ASLC_CONVERTIBLE_FAILED (1 << 22) |
148 | #define ASLC_CONVERTIBLE_FAILED (1 << 22) |
151 | #define ASLC_DOCKING_FAILED (1 << 24) |
149 | #define ASLC_DOCKING_FAILED (1 << 24) |
152 | #define ASLC_ISCT_STATE_FAILED (1 << 26) |
150 | #define ASLC_ISCT_STATE_FAILED (1 << 26) |
153 | 151 | ||
154 | /* Technology enabled indicator */ |
152 | /* Technology enabled indicator */ |
155 | #define ASLE_TCHE_ALS_EN (1 << 0) |
153 | #define ASLE_TCHE_ALS_EN (1 << 0) |
156 | #define ASLE_TCHE_BLC_EN (1 << 1) |
154 | #define ASLE_TCHE_BLC_EN (1 << 1) |
157 | #define ASLE_TCHE_PFIT_EN (1 << 2) |
155 | #define ASLE_TCHE_PFIT_EN (1 << 2) |
158 | #define ASLE_TCHE_PFMB_EN (1 << 3) |
156 | #define ASLE_TCHE_PFMB_EN (1 << 3) |
159 | 157 | ||
160 | /* ASLE backlight brightness to set */ |
158 | /* ASLE backlight brightness to set */ |
161 | #define ASLE_BCLP_VALID (1<<31) |
159 | #define ASLE_BCLP_VALID (1<<31) |
162 | #define ASLE_BCLP_MSK (~(1<<31)) |
160 | #define ASLE_BCLP_MSK (~(1<<31)) |
163 | 161 | ||
164 | /* ASLE panel fitting request */ |
162 | /* ASLE panel fitting request */ |
165 | #define ASLE_PFIT_VALID (1<<31) |
163 | #define ASLE_PFIT_VALID (1<<31) |
166 | #define ASLE_PFIT_CENTER (1<<0) |
164 | #define ASLE_PFIT_CENTER (1<<0) |
167 | #define ASLE_PFIT_STRETCH_TEXT (1<<1) |
165 | #define ASLE_PFIT_STRETCH_TEXT (1<<1) |
168 | #define ASLE_PFIT_STRETCH_GFX (1<<2) |
166 | #define ASLE_PFIT_STRETCH_GFX (1<<2) |
169 | 167 | ||
170 | /* PWM frequency and minimum brightness */ |
168 | /* PWM frequency and minimum brightness */ |
171 | #define ASLE_PFMB_BRIGHTNESS_MASK (0xff) |
169 | #define ASLE_PFMB_BRIGHTNESS_MASK (0xff) |
172 | #define ASLE_PFMB_BRIGHTNESS_VALID (1<<8) |
170 | #define ASLE_PFMB_BRIGHTNESS_VALID (1<<8) |
173 | #define ASLE_PFMB_PWM_MASK (0x7ffffe00) |
171 | #define ASLE_PFMB_PWM_MASK (0x7ffffe00) |
174 | #define ASLE_PFMB_PWM_VALID (1<<31) |
172 | #define ASLE_PFMB_PWM_VALID (1<<31) |
175 | 173 | ||
176 | #define ASLE_CBLV_VALID (1<<31) |
174 | #define ASLE_CBLV_VALID (1<<31) |
177 | 175 | ||
178 | /* IUER */ |
176 | /* IUER */ |
179 | #define ASLE_IUER_DOCKING (1 << 7) |
177 | #define ASLE_IUER_DOCKING (1 << 7) |
180 | #define ASLE_IUER_CONVERTIBLE (1 << 6) |
178 | #define ASLE_IUER_CONVERTIBLE (1 << 6) |
181 | #define ASLE_IUER_ROTATION_LOCK_BTN (1 << 4) |
179 | #define ASLE_IUER_ROTATION_LOCK_BTN (1 << 4) |
182 | #define ASLE_IUER_VOLUME_DOWN_BTN (1 << 3) |
180 | #define ASLE_IUER_VOLUME_DOWN_BTN (1 << 3) |
183 | #define ASLE_IUER_VOLUME_UP_BTN (1 << 2) |
181 | #define ASLE_IUER_VOLUME_UP_BTN (1 << 2) |
184 | #define ASLE_IUER_WINDOWS_BTN (1 << 1) |
182 | #define ASLE_IUER_WINDOWS_BTN (1 << 1) |
185 | #define ASLE_IUER_POWER_BTN (1 << 0) |
183 | #define ASLE_IUER_POWER_BTN (1 << 0) |
186 | 184 | ||
187 | /* Software System Control Interrupt (SWSCI) */ |
185 | /* Software System Control Interrupt (SWSCI) */ |
188 | #define SWSCI_SCIC_INDICATOR (1 << 0) |
186 | #define SWSCI_SCIC_INDICATOR (1 << 0) |
189 | #define SWSCI_SCIC_MAIN_FUNCTION_SHIFT 1 |
187 | #define SWSCI_SCIC_MAIN_FUNCTION_SHIFT 1 |
190 | #define SWSCI_SCIC_MAIN_FUNCTION_MASK (0xf << 1) |
188 | #define SWSCI_SCIC_MAIN_FUNCTION_MASK (0xf << 1) |
191 | #define SWSCI_SCIC_SUB_FUNCTION_SHIFT 8 |
189 | #define SWSCI_SCIC_SUB_FUNCTION_SHIFT 8 |
192 | #define SWSCI_SCIC_SUB_FUNCTION_MASK (0xff << 8) |
190 | #define SWSCI_SCIC_SUB_FUNCTION_MASK (0xff << 8) |
193 | #define SWSCI_SCIC_EXIT_PARAMETER_SHIFT 8 |
191 | #define SWSCI_SCIC_EXIT_PARAMETER_SHIFT 8 |
194 | #define SWSCI_SCIC_EXIT_PARAMETER_MASK (0xff << 8) |
192 | #define SWSCI_SCIC_EXIT_PARAMETER_MASK (0xff << 8) |
195 | #define SWSCI_SCIC_EXIT_STATUS_SHIFT 5 |
193 | #define SWSCI_SCIC_EXIT_STATUS_SHIFT 5 |
196 | #define SWSCI_SCIC_EXIT_STATUS_MASK (7 << 5) |
194 | #define SWSCI_SCIC_EXIT_STATUS_MASK (7 << 5) |
197 | #define SWSCI_SCIC_EXIT_STATUS_SUCCESS 1 |
195 | #define SWSCI_SCIC_EXIT_STATUS_SUCCESS 1 |
198 | 196 | ||
199 | #define SWSCI_FUNCTION_CODE(main, sub) \ |
197 | #define SWSCI_FUNCTION_CODE(main, sub) \ |
200 | ((main) << SWSCI_SCIC_MAIN_FUNCTION_SHIFT | \ |
198 | ((main) << SWSCI_SCIC_MAIN_FUNCTION_SHIFT | \ |
201 | (sub) << SWSCI_SCIC_SUB_FUNCTION_SHIFT) |
199 | (sub) << SWSCI_SCIC_SUB_FUNCTION_SHIFT) |
202 | 200 | ||
203 | /* SWSCI: Get BIOS Data (GBDA) */ |
201 | /* SWSCI: Get BIOS Data (GBDA) */ |
204 | #define SWSCI_GBDA 4 |
202 | #define SWSCI_GBDA 4 |
205 | #define SWSCI_GBDA_SUPPORTED_CALLS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 0) |
203 | #define SWSCI_GBDA_SUPPORTED_CALLS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 0) |
206 | #define SWSCI_GBDA_REQUESTED_CALLBACKS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 1) |
204 | #define SWSCI_GBDA_REQUESTED_CALLBACKS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 1) |
207 | #define SWSCI_GBDA_BOOT_DISPLAY_PREF SWSCI_FUNCTION_CODE(SWSCI_GBDA, 4) |
205 | #define SWSCI_GBDA_BOOT_DISPLAY_PREF SWSCI_FUNCTION_CODE(SWSCI_GBDA, 4) |
208 | #define SWSCI_GBDA_PANEL_DETAILS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 5) |
206 | #define SWSCI_GBDA_PANEL_DETAILS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 5) |
209 | #define SWSCI_GBDA_TV_STANDARD SWSCI_FUNCTION_CODE(SWSCI_GBDA, 6) |
207 | #define SWSCI_GBDA_TV_STANDARD SWSCI_FUNCTION_CODE(SWSCI_GBDA, 6) |
210 | #define SWSCI_GBDA_INTERNAL_GRAPHICS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 7) |
208 | #define SWSCI_GBDA_INTERNAL_GRAPHICS SWSCI_FUNCTION_CODE(SWSCI_GBDA, 7) |
211 | #define SWSCI_GBDA_SPREAD_SPECTRUM SWSCI_FUNCTION_CODE(SWSCI_GBDA, 10) |
209 | #define SWSCI_GBDA_SPREAD_SPECTRUM SWSCI_FUNCTION_CODE(SWSCI_GBDA, 10) |
212 | 210 | ||
213 | /* SWSCI: System BIOS Callbacks (SBCB) */ |
211 | /* SWSCI: System BIOS Callbacks (SBCB) */ |
214 | #define SWSCI_SBCB 6 |
212 | #define SWSCI_SBCB 6 |
215 | #define SWSCI_SBCB_SUPPORTED_CALLBACKS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 0) |
213 | #define SWSCI_SBCB_SUPPORTED_CALLBACKS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 0) |
216 | #define SWSCI_SBCB_INIT_COMPLETION SWSCI_FUNCTION_CODE(SWSCI_SBCB, 1) |
214 | #define SWSCI_SBCB_INIT_COMPLETION SWSCI_FUNCTION_CODE(SWSCI_SBCB, 1) |
217 | #define SWSCI_SBCB_PRE_HIRES_SET_MODE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 3) |
215 | #define SWSCI_SBCB_PRE_HIRES_SET_MODE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 3) |
218 | #define SWSCI_SBCB_POST_HIRES_SET_MODE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 4) |
216 | #define SWSCI_SBCB_POST_HIRES_SET_MODE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 4) |
219 | #define SWSCI_SBCB_DISPLAY_SWITCH SWSCI_FUNCTION_CODE(SWSCI_SBCB, 5) |
217 | #define SWSCI_SBCB_DISPLAY_SWITCH SWSCI_FUNCTION_CODE(SWSCI_SBCB, 5) |
220 | #define SWSCI_SBCB_SET_TV_FORMAT SWSCI_FUNCTION_CODE(SWSCI_SBCB, 6) |
218 | #define SWSCI_SBCB_SET_TV_FORMAT SWSCI_FUNCTION_CODE(SWSCI_SBCB, 6) |
221 | #define SWSCI_SBCB_ADAPTER_POWER_STATE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 7) |
219 | #define SWSCI_SBCB_ADAPTER_POWER_STATE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 7) |
222 | #define SWSCI_SBCB_DISPLAY_POWER_STATE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 8) |
220 | #define SWSCI_SBCB_DISPLAY_POWER_STATE SWSCI_FUNCTION_CODE(SWSCI_SBCB, 8) |
223 | #define SWSCI_SBCB_SET_BOOT_DISPLAY SWSCI_FUNCTION_CODE(SWSCI_SBCB, 9) |
221 | #define SWSCI_SBCB_SET_BOOT_DISPLAY SWSCI_FUNCTION_CODE(SWSCI_SBCB, 9) |
224 | #define SWSCI_SBCB_SET_PANEL_DETAILS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 10) |
222 | #define SWSCI_SBCB_SET_PANEL_DETAILS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 10) |
225 | #define SWSCI_SBCB_SET_INTERNAL_GFX SWSCI_FUNCTION_CODE(SWSCI_SBCB, 11) |
223 | #define SWSCI_SBCB_SET_INTERNAL_GFX SWSCI_FUNCTION_CODE(SWSCI_SBCB, 11) |
226 | #define SWSCI_SBCB_POST_HIRES_TO_DOS_FS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 16) |
224 | #define SWSCI_SBCB_POST_HIRES_TO_DOS_FS SWSCI_FUNCTION_CODE(SWSCI_SBCB, 16) |
227 | #define SWSCI_SBCB_SUSPEND_RESUME SWSCI_FUNCTION_CODE(SWSCI_SBCB, 17) |
225 | #define SWSCI_SBCB_SUSPEND_RESUME SWSCI_FUNCTION_CODE(SWSCI_SBCB, 17) |
228 | #define SWSCI_SBCB_SET_SPREAD_SPECTRUM SWSCI_FUNCTION_CODE(SWSCI_SBCB, 18) |
226 | #define SWSCI_SBCB_SET_SPREAD_SPECTRUM SWSCI_FUNCTION_CODE(SWSCI_SBCB, 18) |
229 | #define SWSCI_SBCB_POST_VBE_PM SWSCI_FUNCTION_CODE(SWSCI_SBCB, 19) |
227 | #define SWSCI_SBCB_POST_VBE_PM SWSCI_FUNCTION_CODE(SWSCI_SBCB, 19) |
230 | #define SWSCI_SBCB_ENABLE_DISABLE_AUDIO SWSCI_FUNCTION_CODE(SWSCI_SBCB, 21) |
228 | #define SWSCI_SBCB_ENABLE_DISABLE_AUDIO SWSCI_FUNCTION_CODE(SWSCI_SBCB, 21) |
231 | 229 | ||
232 | #define ACPI_OTHER_OUTPUT (0<<8) |
230 | #define ACPI_OTHER_OUTPUT (0<<8) |
233 | #define ACPI_VGA_OUTPUT (1<<8) |
231 | #define ACPI_VGA_OUTPUT (1<<8) |
234 | #define ACPI_TV_OUTPUT (2<<8) |
232 | #define ACPI_TV_OUTPUT (2<<8) |
235 | #define ACPI_DIGITAL_OUTPUT (3<<8) |
233 | #define ACPI_DIGITAL_OUTPUT (3<<8) |
236 | #define ACPI_LVDS_OUTPUT (4<<8) |
234 | #define ACPI_LVDS_OUTPUT (4<<8) |
237 | 235 | ||
238 | #define MAX_DSLP 1500 |
236 | #define MAX_DSLP 1500 |
239 | 237 | ||
240 | #ifdef CONFIG_ACPI |
238 | #ifdef CONFIG_ACPI |
241 | static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) |
239 | static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) |
242 | { |
240 | { |
243 | struct drm_i915_private *dev_priv = dev->dev_private; |
241 | struct drm_i915_private *dev_priv = dev->dev_private; |
244 | struct opregion_swsci *swsci = dev_priv->opregion.swsci; |
242 | struct opregion_swsci *swsci = dev_priv->opregion.swsci; |
245 | u32 main_function, sub_function, scic; |
243 | u32 main_function, sub_function, scic; |
246 | u16 pci_swsci; |
244 | u16 pci_swsci; |
247 | u32 dslp; |
245 | u32 dslp; |
248 | 246 | ||
249 | if (!swsci) |
247 | if (!swsci) |
250 | return -ENODEV; |
248 | return -ENODEV; |
251 | 249 | ||
252 | main_function = (function & SWSCI_SCIC_MAIN_FUNCTION_MASK) >> |
250 | main_function = (function & SWSCI_SCIC_MAIN_FUNCTION_MASK) >> |
253 | SWSCI_SCIC_MAIN_FUNCTION_SHIFT; |
251 | SWSCI_SCIC_MAIN_FUNCTION_SHIFT; |
254 | sub_function = (function & SWSCI_SCIC_SUB_FUNCTION_MASK) >> |
252 | sub_function = (function & SWSCI_SCIC_SUB_FUNCTION_MASK) >> |
255 | SWSCI_SCIC_SUB_FUNCTION_SHIFT; |
253 | SWSCI_SCIC_SUB_FUNCTION_SHIFT; |
256 | 254 | ||
257 | /* Check if we can call the function. See swsci_setup for details. */ |
255 | /* Check if we can call the function. See swsci_setup for details. */ |
258 | if (main_function == SWSCI_SBCB) { |
256 | if (main_function == SWSCI_SBCB) { |
259 | if ((dev_priv->opregion.swsci_sbcb_sub_functions & |
257 | if ((dev_priv->opregion.swsci_sbcb_sub_functions & |
260 | (1 << sub_function)) == 0) |
258 | (1 << sub_function)) == 0) |
261 | return -EINVAL; |
259 | return -EINVAL; |
262 | } else if (main_function == SWSCI_GBDA) { |
260 | } else if (main_function == SWSCI_GBDA) { |
263 | if ((dev_priv->opregion.swsci_gbda_sub_functions & |
261 | if ((dev_priv->opregion.swsci_gbda_sub_functions & |
264 | (1 << sub_function)) == 0) |
262 | (1 << sub_function)) == 0) |
265 | return -EINVAL; |
263 | return -EINVAL; |
266 | } |
264 | } |
267 | 265 | ||
268 | /* Driver sleep timeout in ms. */ |
266 | /* Driver sleep timeout in ms. */ |
269 | dslp = swsci->dslp; |
267 | dslp = swsci->dslp; |
270 | if (!dslp) { |
268 | if (!dslp) { |
271 | /* The spec says 2ms should be the default, but it's too small |
269 | /* The spec says 2ms should be the default, but it's too small |
272 | * for some machines. */ |
270 | * for some machines. */ |
273 | dslp = 50; |
271 | dslp = 50; |
274 | } else if (dslp > MAX_DSLP) { |
272 | } else if (dslp > MAX_DSLP) { |
275 | /* Hey bios, trust must be earned. */ |
273 | /* Hey bios, trust must be earned. */ |
276 | DRM_INFO_ONCE("ACPI BIOS requests an excessive sleep of %u ms, " |
274 | DRM_INFO_ONCE("ACPI BIOS requests an excessive sleep of %u ms, " |
277 | "using %u ms instead\n", dslp, MAX_DSLP); |
275 | "using %u ms instead\n", dslp, MAX_DSLP); |
278 | dslp = MAX_DSLP; |
276 | dslp = MAX_DSLP; |
279 | } |
277 | } |
280 | 278 | ||
281 | /* The spec tells us to do this, but we are the only user... */ |
279 | /* The spec tells us to do this, but we are the only user... */ |
282 | scic = swsci->scic; |
280 | scic = swsci->scic; |
283 | if (scic & SWSCI_SCIC_INDICATOR) { |
281 | if (scic & SWSCI_SCIC_INDICATOR) { |
284 | DRM_DEBUG_DRIVER("SWSCI request already in progress\n"); |
282 | DRM_DEBUG_DRIVER("SWSCI request already in progress\n"); |
285 | return -EBUSY; |
283 | return -EBUSY; |
286 | } |
284 | } |
287 | 285 | ||
288 | scic = function | SWSCI_SCIC_INDICATOR; |
286 | scic = function | SWSCI_SCIC_INDICATOR; |
289 | 287 | ||
290 | swsci->parm = parm; |
288 | swsci->parm = parm; |
291 | swsci->scic = scic; |
289 | swsci->scic = scic; |
292 | 290 | ||
293 | /* Ensure SCI event is selected and event trigger is cleared. */ |
291 | /* Ensure SCI event is selected and event trigger is cleared. */ |
294 | pci_read_config_word(dev->pdev, PCI_SWSCI, &pci_swsci); |
292 | pci_read_config_word(dev->pdev, PCI_SWSCI, &pci_swsci); |
295 | if (!(pci_swsci & PCI_SWSCI_SCISEL) || (pci_swsci & PCI_SWSCI_GSSCIE)) { |
293 | if (!(pci_swsci & PCI_SWSCI_SCISEL) || (pci_swsci & PCI_SWSCI_GSSCIE)) { |
296 | pci_swsci |= PCI_SWSCI_SCISEL; |
294 | pci_swsci |= PCI_SWSCI_SCISEL; |
297 | pci_swsci &= ~PCI_SWSCI_GSSCIE; |
295 | pci_swsci &= ~PCI_SWSCI_GSSCIE; |
298 | pci_write_config_word(dev->pdev, PCI_SWSCI, pci_swsci); |
296 | pci_write_config_word(dev->pdev, PCI_SWSCI, pci_swsci); |
299 | } |
297 | } |
300 | 298 | ||
301 | /* Use event trigger to tell bios to check the mail. */ |
299 | /* Use event trigger to tell bios to check the mail. */ |
302 | pci_swsci |= PCI_SWSCI_GSSCIE; |
300 | pci_swsci |= PCI_SWSCI_GSSCIE; |
303 | pci_write_config_word(dev->pdev, PCI_SWSCI, pci_swsci); |
301 | pci_write_config_word(dev->pdev, PCI_SWSCI, pci_swsci); |
304 | 302 | ||
305 | /* Poll for the result. */ |
303 | /* Poll for the result. */ |
306 | #define C (((scic = swsci->scic) & SWSCI_SCIC_INDICATOR) == 0) |
304 | #define C (((scic = swsci->scic) & SWSCI_SCIC_INDICATOR) == 0) |
307 | if (wait_for(C, dslp)) { |
305 | if (wait_for(C, dslp)) { |
308 | DRM_DEBUG_DRIVER("SWSCI request timed out\n"); |
306 | DRM_DEBUG_DRIVER("SWSCI request timed out\n"); |
309 | return -ETIMEDOUT; |
307 | return -ETIMEDOUT; |
310 | } |
308 | } |
311 | 309 | ||
312 | scic = (scic & SWSCI_SCIC_EXIT_STATUS_MASK) >> |
310 | scic = (scic & SWSCI_SCIC_EXIT_STATUS_MASK) >> |
313 | SWSCI_SCIC_EXIT_STATUS_SHIFT; |
311 | SWSCI_SCIC_EXIT_STATUS_SHIFT; |
314 | 312 | ||
315 | /* Note: scic == 0 is an error! */ |
313 | /* Note: scic == 0 is an error! */ |
316 | if (scic != SWSCI_SCIC_EXIT_STATUS_SUCCESS) { |
314 | if (scic != SWSCI_SCIC_EXIT_STATUS_SUCCESS) { |
317 | DRM_DEBUG_DRIVER("SWSCI request error %u\n", scic); |
315 | DRM_DEBUG_DRIVER("SWSCI request error %u\n", scic); |
318 | return -EIO; |
316 | return -EIO; |
319 | } |
317 | } |
320 | 318 | ||
321 | if (parm_out) |
319 | if (parm_out) |
322 | *parm_out = swsci->parm; |
320 | *parm_out = swsci->parm; |
323 | 321 | ||
324 | return 0; |
322 | return 0; |
325 | 323 | ||
326 | #undef C |
324 | #undef C |
327 | } |
325 | } |
328 | 326 | ||
329 | #define DISPLAY_TYPE_CRT 0 |
327 | #define DISPLAY_TYPE_CRT 0 |
330 | #define DISPLAY_TYPE_TV 1 |
328 | #define DISPLAY_TYPE_TV 1 |
331 | #define DISPLAY_TYPE_EXTERNAL_FLAT_PANEL 2 |
329 | #define DISPLAY_TYPE_EXTERNAL_FLAT_PANEL 2 |
332 | #define DISPLAY_TYPE_INTERNAL_FLAT_PANEL 3 |
330 | #define DISPLAY_TYPE_INTERNAL_FLAT_PANEL 3 |
333 | 331 | ||
334 | int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, |
332 | int intel_opregion_notify_encoder(struct intel_encoder *intel_encoder, |
335 | bool enable) |
333 | bool enable) |
336 | { |
334 | { |
337 | struct drm_device *dev = intel_encoder->base.dev; |
335 | struct drm_device *dev = intel_encoder->base.dev; |
338 | u32 parm = 0; |
336 | u32 parm = 0; |
339 | u32 type = 0; |
337 | u32 type = 0; |
340 | u32 port; |
338 | u32 port; |
341 | 339 | ||
342 | /* don't care about old stuff for now */ |
340 | /* don't care about old stuff for now */ |
343 | if (!HAS_DDI(dev)) |
341 | if (!HAS_DDI(dev)) |
344 | return 0; |
342 | return 0; |
345 | 343 | ||
346 | if (intel_encoder->type == INTEL_OUTPUT_DSI) |
344 | if (intel_encoder->type == INTEL_OUTPUT_DSI) |
347 | port = 0; |
345 | port = 0; |
348 | else |
346 | else |
349 | port = intel_ddi_get_encoder_port(intel_encoder); |
347 | port = intel_ddi_get_encoder_port(intel_encoder); |
350 | 348 | ||
351 | if (port == PORT_E) { |
349 | if (port == PORT_E) { |
352 | port = 0; |
350 | port = 0; |
353 | } else { |
351 | } else { |
354 | parm |= 1 << port; |
352 | parm |= 1 << port; |
355 | port++; |
353 | port++; |
356 | } |
354 | } |
357 | 355 | ||
358 | if (!enable) |
356 | if (!enable) |
359 | parm |= 4 << 8; |
357 | parm |= 4 << 8; |
360 | 358 | ||
361 | switch (intel_encoder->type) { |
359 | switch (intel_encoder->type) { |
362 | case INTEL_OUTPUT_ANALOG: |
360 | case INTEL_OUTPUT_ANALOG: |
363 | type = DISPLAY_TYPE_CRT; |
361 | type = DISPLAY_TYPE_CRT; |
364 | break; |
362 | break; |
365 | case INTEL_OUTPUT_UNKNOWN: |
363 | case INTEL_OUTPUT_UNKNOWN: |
366 | case INTEL_OUTPUT_DISPLAYPORT: |
364 | case INTEL_OUTPUT_DISPLAYPORT: |
367 | case INTEL_OUTPUT_HDMI: |
365 | case INTEL_OUTPUT_HDMI: |
368 | case INTEL_OUTPUT_DP_MST: |
366 | case INTEL_OUTPUT_DP_MST: |
369 | type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL; |
367 | type = DISPLAY_TYPE_EXTERNAL_FLAT_PANEL; |
370 | break; |
368 | break; |
371 | case INTEL_OUTPUT_EDP: |
369 | case INTEL_OUTPUT_EDP: |
372 | case INTEL_OUTPUT_DSI: |
370 | case INTEL_OUTPUT_DSI: |
373 | type = DISPLAY_TYPE_INTERNAL_FLAT_PANEL; |
371 | type = DISPLAY_TYPE_INTERNAL_FLAT_PANEL; |
374 | break; |
372 | break; |
375 | default: |
373 | default: |
376 | WARN_ONCE(1, "unsupported intel_encoder type %d\n", |
374 | WARN_ONCE(1, "unsupported intel_encoder type %d\n", |
377 | intel_encoder->type); |
375 | intel_encoder->type); |
378 | return -EINVAL; |
376 | return -EINVAL; |
379 | } |
377 | } |
380 | 378 | ||
381 | parm |= type << (16 + port * 3); |
379 | parm |= type << (16 + port * 3); |
382 | 380 | ||
383 | return swsci(dev, SWSCI_SBCB_DISPLAY_POWER_STATE, parm, NULL); |
381 | return swsci(dev, SWSCI_SBCB_DISPLAY_POWER_STATE, parm, NULL); |
384 | } |
382 | } |
385 | 383 | ||
386 | static const struct { |
384 | static const struct { |
387 | pci_power_t pci_power_state; |
385 | pci_power_t pci_power_state; |
388 | u32 parm; |
386 | u32 parm; |
389 | } power_state_map[] = { |
387 | } power_state_map[] = { |
390 | { PCI_D0, 0x00 }, |
388 | { PCI_D0, 0x00 }, |
391 | { PCI_D1, 0x01 }, |
389 | { PCI_D1, 0x01 }, |
392 | { PCI_D2, 0x02 }, |
390 | { PCI_D2, 0x02 }, |
393 | { PCI_D3hot, 0x04 }, |
391 | { PCI_D3hot, 0x04 }, |
394 | { PCI_D3cold, 0x04 }, |
392 | { PCI_D3cold, 0x04 }, |
395 | }; |
393 | }; |
396 | 394 | ||
397 | int intel_opregion_notify_adapter(struct drm_device *dev, pci_power_t state) |
395 | int intel_opregion_notify_adapter(struct drm_device *dev, pci_power_t state) |
398 | { |
396 | { |
399 | int i; |
397 | int i; |
400 | 398 | ||
401 | if (!HAS_DDI(dev)) |
399 | if (!HAS_DDI(dev)) |
402 | return 0; |
400 | return 0; |
403 | 401 | ||
404 | for (i = 0; i < ARRAY_SIZE(power_state_map); i++) { |
402 | for (i = 0; i < ARRAY_SIZE(power_state_map); i++) { |
405 | if (state == power_state_map[i].pci_power_state) |
403 | if (state == power_state_map[i].pci_power_state) |
406 | return swsci(dev, SWSCI_SBCB_ADAPTER_POWER_STATE, |
404 | return swsci(dev, SWSCI_SBCB_ADAPTER_POWER_STATE, |
407 | power_state_map[i].parm, NULL); |
405 | power_state_map[i].parm, NULL); |
408 | } |
406 | } |
409 | 407 | ||
410 | return -EINVAL; |
408 | return -EINVAL; |
411 | } |
409 | } |
412 | 410 | ||
413 | static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) |
411 | static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) |
414 | { |
412 | { |
415 | struct drm_i915_private *dev_priv = dev->dev_private; |
413 | struct drm_i915_private *dev_priv = dev->dev_private; |
416 | struct intel_connector *intel_connector; |
414 | struct intel_connector *intel_connector; |
417 | struct opregion_asle *asle = dev_priv->opregion.asle; |
415 | struct opregion_asle *asle = dev_priv->opregion.asle; |
418 | 416 | ||
419 | DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); |
417 | DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); |
420 | 418 | ||
421 | if (acpi_video_get_backlight_type() == acpi_backlight_native) { |
419 | if (acpi_video_get_backlight_type() == acpi_backlight_native) { |
422 | DRM_DEBUG_KMS("opregion backlight request ignored\n"); |
420 | DRM_DEBUG_KMS("opregion backlight request ignored\n"); |
423 | return 0; |
421 | return 0; |
424 | } |
422 | } |
425 | 423 | ||
426 | if (!(bclp & ASLE_BCLP_VALID)) |
424 | if (!(bclp & ASLE_BCLP_VALID)) |
427 | return ASLC_BACKLIGHT_FAILED; |
425 | return ASLC_BACKLIGHT_FAILED; |
428 | 426 | ||
429 | bclp &= ASLE_BCLP_MSK; |
427 | bclp &= ASLE_BCLP_MSK; |
430 | if (bclp > 255) |
428 | if (bclp > 255) |
431 | return ASLC_BACKLIGHT_FAILED; |
429 | return ASLC_BACKLIGHT_FAILED; |
432 | 430 | ||
433 | drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); |
431 | drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); |
434 | 432 | ||
435 | /* |
433 | /* |
436 | * Update backlight on all connectors that support backlight (usually |
434 | * Update backlight on all connectors that support backlight (usually |
437 | * only one). |
435 | * only one). |
438 | */ |
436 | */ |
439 | DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp); |
437 | DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp); |
440 | list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head) |
438 | list_for_each_entry(intel_connector, &dev->mode_config.connector_list, base.head) |
441 | intel_panel_set_backlight_acpi(intel_connector, bclp, 255); |
439 | intel_panel_set_backlight_acpi(intel_connector, bclp, 255); |
442 | asle->cblv = DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID; |
440 | asle->cblv = DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID; |
443 | 441 | ||
444 | drm_modeset_unlock(&dev->mode_config.connection_mutex); |
442 | drm_modeset_unlock(&dev->mode_config.connection_mutex); |
445 | 443 | ||
446 | 444 | ||
447 | return 0; |
445 | return 0; |
448 | } |
446 | } |
449 | 447 | ||
450 | static u32 asle_set_als_illum(struct drm_device *dev, u32 alsi) |
448 | static u32 asle_set_als_illum(struct drm_device *dev, u32 alsi) |
451 | { |
449 | { |
452 | /* alsi is the current ALS reading in lux. 0 indicates below sensor |
450 | /* alsi is the current ALS reading in lux. 0 indicates below sensor |
453 | range, 0xffff indicates above sensor range. 1-0xfffe are valid */ |
451 | range, 0xffff indicates above sensor range. 1-0xfffe are valid */ |
454 | DRM_DEBUG_DRIVER("Illum is not supported\n"); |
452 | DRM_DEBUG_DRIVER("Illum is not supported\n"); |
455 | return ASLC_ALS_ILLUM_FAILED; |
453 | return ASLC_ALS_ILLUM_FAILED; |
456 | } |
454 | } |
457 | 455 | ||
458 | static u32 asle_set_pwm_freq(struct drm_device *dev, u32 pfmb) |
456 | static u32 asle_set_pwm_freq(struct drm_device *dev, u32 pfmb) |
459 | { |
457 | { |
460 | DRM_DEBUG_DRIVER("PWM freq is not supported\n"); |
458 | DRM_DEBUG_DRIVER("PWM freq is not supported\n"); |
461 | return ASLC_PWM_FREQ_FAILED; |
459 | return ASLC_PWM_FREQ_FAILED; |
462 | } |
460 | } |
463 | 461 | ||
464 | static u32 asle_set_pfit(struct drm_device *dev, u32 pfit) |
462 | static u32 asle_set_pfit(struct drm_device *dev, u32 pfit) |
465 | { |
463 | { |
466 | /* Panel fitting is currently controlled by the X code, so this is a |
464 | /* Panel fitting is currently controlled by the X code, so this is a |
467 | noop until modesetting support works fully */ |
465 | noop until modesetting support works fully */ |
468 | DRM_DEBUG_DRIVER("Pfit is not supported\n"); |
466 | DRM_DEBUG_DRIVER("Pfit is not supported\n"); |
469 | return ASLC_PFIT_FAILED; |
467 | return ASLC_PFIT_FAILED; |
470 | } |
468 | } |
471 | 469 | ||
472 | static u32 asle_set_supported_rotation_angles(struct drm_device *dev, u32 srot) |
470 | static u32 asle_set_supported_rotation_angles(struct drm_device *dev, u32 srot) |
473 | { |
471 | { |
474 | DRM_DEBUG_DRIVER("SROT is not supported\n"); |
472 | DRM_DEBUG_DRIVER("SROT is not supported\n"); |
475 | return ASLC_ROTATION_ANGLES_FAILED; |
473 | return ASLC_ROTATION_ANGLES_FAILED; |
476 | } |
474 | } |
477 | 475 | ||
478 | static u32 asle_set_button_array(struct drm_device *dev, u32 iuer) |
476 | static u32 asle_set_button_array(struct drm_device *dev, u32 iuer) |
479 | { |
477 | { |
480 | if (!iuer) |
478 | if (!iuer) |
481 | DRM_DEBUG_DRIVER("Button array event is not supported (nothing)\n"); |
479 | DRM_DEBUG_DRIVER("Button array event is not supported (nothing)\n"); |
482 | if (iuer & ASLE_IUER_ROTATION_LOCK_BTN) |
480 | if (iuer & ASLE_IUER_ROTATION_LOCK_BTN) |
483 | DRM_DEBUG_DRIVER("Button array event is not supported (rotation lock)\n"); |
481 | DRM_DEBUG_DRIVER("Button array event is not supported (rotation lock)\n"); |
484 | if (iuer & ASLE_IUER_VOLUME_DOWN_BTN) |
482 | if (iuer & ASLE_IUER_VOLUME_DOWN_BTN) |
485 | DRM_DEBUG_DRIVER("Button array event is not supported (volume down)\n"); |
483 | DRM_DEBUG_DRIVER("Button array event is not supported (volume down)\n"); |
486 | if (iuer & ASLE_IUER_VOLUME_UP_BTN) |
484 | if (iuer & ASLE_IUER_VOLUME_UP_BTN) |
487 | DRM_DEBUG_DRIVER("Button array event is not supported (volume up)\n"); |
485 | DRM_DEBUG_DRIVER("Button array event is not supported (volume up)\n"); |
488 | if (iuer & ASLE_IUER_WINDOWS_BTN) |
486 | if (iuer & ASLE_IUER_WINDOWS_BTN) |
489 | DRM_DEBUG_DRIVER("Button array event is not supported (windows)\n"); |
487 | DRM_DEBUG_DRIVER("Button array event is not supported (windows)\n"); |
490 | if (iuer & ASLE_IUER_POWER_BTN) |
488 | if (iuer & ASLE_IUER_POWER_BTN) |
491 | DRM_DEBUG_DRIVER("Button array event is not supported (power)\n"); |
489 | DRM_DEBUG_DRIVER("Button array event is not supported (power)\n"); |
492 | 490 | ||
493 | return ASLC_BUTTON_ARRAY_FAILED; |
491 | return ASLC_BUTTON_ARRAY_FAILED; |
494 | } |
492 | } |
495 | 493 | ||
496 | static u32 asle_set_convertible(struct drm_device *dev, u32 iuer) |
494 | static u32 asle_set_convertible(struct drm_device *dev, u32 iuer) |
497 | { |
495 | { |
498 | if (iuer & ASLE_IUER_CONVERTIBLE) |
496 | if (iuer & ASLE_IUER_CONVERTIBLE) |
499 | DRM_DEBUG_DRIVER("Convertible is not supported (clamshell)\n"); |
497 | DRM_DEBUG_DRIVER("Convertible is not supported (clamshell)\n"); |
500 | else |
498 | else |
501 | DRM_DEBUG_DRIVER("Convertible is not supported (slate)\n"); |
499 | DRM_DEBUG_DRIVER("Convertible is not supported (slate)\n"); |
502 | 500 | ||
503 | return ASLC_CONVERTIBLE_FAILED; |
501 | return ASLC_CONVERTIBLE_FAILED; |
504 | } |
502 | } |
505 | 503 | ||
506 | static u32 asle_set_docking(struct drm_device *dev, u32 iuer) |
504 | static u32 asle_set_docking(struct drm_device *dev, u32 iuer) |
507 | { |
505 | { |
508 | if (iuer & ASLE_IUER_DOCKING) |
506 | if (iuer & ASLE_IUER_DOCKING) |
509 | DRM_DEBUG_DRIVER("Docking is not supported (docked)\n"); |
507 | DRM_DEBUG_DRIVER("Docking is not supported (docked)\n"); |
510 | else |
508 | else |
511 | DRM_DEBUG_DRIVER("Docking is not supported (undocked)\n"); |
509 | DRM_DEBUG_DRIVER("Docking is not supported (undocked)\n"); |
512 | 510 | ||
513 | return ASLC_DOCKING_FAILED; |
511 | return ASLC_DOCKING_FAILED; |
514 | } |
512 | } |
515 | 513 | ||
516 | static u32 asle_isct_state(struct drm_device *dev) |
514 | static u32 asle_isct_state(struct drm_device *dev) |
517 | { |
515 | { |
518 | DRM_DEBUG_DRIVER("ISCT is not supported\n"); |
516 | DRM_DEBUG_DRIVER("ISCT is not supported\n"); |
519 | return ASLC_ISCT_STATE_FAILED; |
517 | return ASLC_ISCT_STATE_FAILED; |
520 | } |
518 | } |
521 | 519 | ||
522 | static void asle_work(struct work_struct *work) |
520 | static void asle_work(struct work_struct *work) |
523 | { |
521 | { |
524 | struct intel_opregion *opregion = |
522 | struct intel_opregion *opregion = |
525 | container_of(work, struct intel_opregion, asle_work); |
523 | container_of(work, struct intel_opregion, asle_work); |
526 | struct drm_i915_private *dev_priv = |
524 | struct drm_i915_private *dev_priv = |
527 | container_of(opregion, struct drm_i915_private, opregion); |
525 | container_of(opregion, struct drm_i915_private, opregion); |
528 | struct drm_device *dev = dev_priv->dev; |
526 | struct drm_device *dev = dev_priv->dev; |
529 | struct opregion_asle *asle = dev_priv->opregion.asle; |
527 | struct opregion_asle *asle = dev_priv->opregion.asle; |
530 | u32 aslc_stat = 0; |
528 | u32 aslc_stat = 0; |
531 | u32 aslc_req; |
529 | u32 aslc_req; |
532 | 530 | ||
533 | if (!asle) |
531 | if (!asle) |
534 | return; |
532 | return; |
535 | 533 | ||
536 | aslc_req = asle->aslc; |
534 | aslc_req = asle->aslc; |
537 | 535 | ||
538 | if (!(aslc_req & ASLC_REQ_MSK)) { |
536 | if (!(aslc_req & ASLC_REQ_MSK)) { |
539 | DRM_DEBUG_DRIVER("No request on ASLC interrupt 0x%08x\n", |
537 | DRM_DEBUG_DRIVER("No request on ASLC interrupt 0x%08x\n", |
540 | aslc_req); |
538 | aslc_req); |
541 | return; |
539 | return; |
542 | } |
540 | } |
543 | 541 | ||
544 | if (aslc_req & ASLC_SET_ALS_ILLUM) |
542 | if (aslc_req & ASLC_SET_ALS_ILLUM) |
545 | aslc_stat |= asle_set_als_illum(dev, asle->alsi); |
543 | aslc_stat |= asle_set_als_illum(dev, asle->alsi); |
546 | 544 | ||
547 | if (aslc_req & ASLC_SET_BACKLIGHT) |
545 | if (aslc_req & ASLC_SET_BACKLIGHT) |
548 | aslc_stat |= asle_set_backlight(dev, asle->bclp); |
546 | aslc_stat |= asle_set_backlight(dev, asle->bclp); |
549 | 547 | ||
550 | if (aslc_req & ASLC_SET_PFIT) |
548 | if (aslc_req & ASLC_SET_PFIT) |
551 | aslc_stat |= asle_set_pfit(dev, asle->pfit); |
549 | aslc_stat |= asle_set_pfit(dev, asle->pfit); |
552 | 550 | ||
553 | if (aslc_req & ASLC_SET_PWM_FREQ) |
551 | if (aslc_req & ASLC_SET_PWM_FREQ) |
554 | aslc_stat |= asle_set_pwm_freq(dev, asle->pfmb); |
552 | aslc_stat |= asle_set_pwm_freq(dev, asle->pfmb); |
555 | 553 | ||
556 | if (aslc_req & ASLC_SUPPORTED_ROTATION_ANGLES) |
554 | if (aslc_req & ASLC_SUPPORTED_ROTATION_ANGLES) |
557 | aslc_stat |= asle_set_supported_rotation_angles(dev, |
555 | aslc_stat |= asle_set_supported_rotation_angles(dev, |
558 | asle->srot); |
556 | asle->srot); |
559 | 557 | ||
560 | if (aslc_req & ASLC_BUTTON_ARRAY) |
558 | if (aslc_req & ASLC_BUTTON_ARRAY) |
561 | aslc_stat |= asle_set_button_array(dev, asle->iuer); |
559 | aslc_stat |= asle_set_button_array(dev, asle->iuer); |
562 | 560 | ||
563 | if (aslc_req & ASLC_CONVERTIBLE_INDICATOR) |
561 | if (aslc_req & ASLC_CONVERTIBLE_INDICATOR) |
564 | aslc_stat |= asle_set_convertible(dev, asle->iuer); |
562 | aslc_stat |= asle_set_convertible(dev, asle->iuer); |
565 | 563 | ||
566 | if (aslc_req & ASLC_DOCKING_INDICATOR) |
564 | if (aslc_req & ASLC_DOCKING_INDICATOR) |
567 | aslc_stat |= asle_set_docking(dev, asle->iuer); |
565 | aslc_stat |= asle_set_docking(dev, asle->iuer); |
568 | 566 | ||
569 | if (aslc_req & ASLC_ISCT_STATE_CHANGE) |
567 | if (aslc_req & ASLC_ISCT_STATE_CHANGE) |
570 | aslc_stat |= asle_isct_state(dev); |
568 | aslc_stat |= asle_isct_state(dev); |
571 | 569 | ||
572 | asle->aslc = aslc_stat; |
570 | asle->aslc = aslc_stat; |
573 | } |
571 | } |
574 | 572 | ||
575 | void intel_opregion_asle_intr(struct drm_device *dev) |
573 | void intel_opregion_asle_intr(struct drm_device *dev) |
576 | { |
574 | { |
577 | struct drm_i915_private *dev_priv = dev->dev_private; |
575 | struct drm_i915_private *dev_priv = dev->dev_private; |
578 | 576 | ||
579 | if (dev_priv->opregion.asle) |
577 | if (dev_priv->opregion.asle) |
580 | schedule_work(&dev_priv->opregion.asle_work); |
578 | schedule_work(&dev_priv->opregion.asle_work); |
581 | } |
579 | } |
582 | 580 | ||
583 | #define ACPI_EV_DISPLAY_SWITCH (1<<0) |
581 | #define ACPI_EV_DISPLAY_SWITCH (1<<0) |
584 | #define ACPI_EV_LID (1<<1) |
582 | #define ACPI_EV_LID (1<<1) |
585 | #define ACPI_EV_DOCK (1<<2) |
583 | #define ACPI_EV_DOCK (1<<2) |
586 | 584 | ||
587 | static struct intel_opregion *system_opregion; |
585 | static struct intel_opregion *system_opregion; |
588 | 586 | ||
589 | static int intel_opregion_video_event(struct notifier_block *nb, |
587 | static int intel_opregion_video_event(struct notifier_block *nb, |
590 | unsigned long val, void *data) |
588 | unsigned long val, void *data) |
591 | { |
589 | { |
592 | /* The only video events relevant to opregion are 0x80. These indicate |
590 | /* The only video events relevant to opregion are 0x80. These indicate |
593 | either a docking event, lid switch or display switch request. In |
591 | either a docking event, lid switch or display switch request. In |
594 | Linux, these are handled by the dock, button and video drivers. |
592 | Linux, these are handled by the dock, button and video drivers. |
595 | */ |
593 | */ |
596 | 594 | ||
597 | struct acpi_bus_event *event = data; |
595 | struct acpi_bus_event *event = data; |
598 | struct opregion_acpi *acpi; |
596 | struct opregion_acpi *acpi; |
599 | int ret = NOTIFY_OK; |
597 | int ret = NOTIFY_OK; |
600 | 598 | ||
601 | if (strcmp(event->device_class, ACPI_VIDEO_CLASS) != 0) |
599 | if (strcmp(event->device_class, ACPI_VIDEO_CLASS) != 0) |
602 | return NOTIFY_DONE; |
600 | return NOTIFY_DONE; |
603 | 601 | ||
604 | if (!system_opregion) |
602 | if (!system_opregion) |
605 | return NOTIFY_DONE; |
603 | return NOTIFY_DONE; |
606 | 604 | ||
607 | acpi = system_opregion->acpi; |
605 | acpi = system_opregion->acpi; |
608 | 606 | ||
609 | if (event->type == 0x80 && ((acpi->cevt & 1) == 0)) |
607 | if (event->type == 0x80 && ((acpi->cevt & 1) == 0)) |
610 | ret = NOTIFY_BAD; |
608 | ret = NOTIFY_BAD; |
611 | 609 | ||
612 | acpi->csts = 0; |
610 | acpi->csts = 0; |
613 | 611 | ||
614 | return ret; |
612 | return ret; |
615 | } |
613 | } |
616 | 614 | ||
617 | static struct notifier_block intel_opregion_notifier = { |
615 | static struct notifier_block intel_opregion_notifier = { |
618 | .notifier_call = intel_opregion_video_event, |
616 | .notifier_call = intel_opregion_video_event, |
619 | }; |
617 | }; |
620 | 618 | ||
621 | /* |
619 | /* |
622 | * Initialise the DIDL field in opregion. This passes a list of devices to |
620 | * Initialise the DIDL field in opregion. This passes a list of devices to |
623 | * the firmware. Values are defined by section B.4.2 of the ACPI specification |
621 | * the firmware. Values are defined by section B.4.2 of the ACPI specification |
624 | * (version 3) |
622 | * (version 3) |
625 | */ |
623 | */ |
626 | 624 | ||
627 | static u32 get_did(struct intel_opregion *opregion, int i) |
625 | static u32 get_did(struct intel_opregion *opregion, int i) |
628 | { |
626 | { |
629 | u32 did; |
627 | u32 did; |
630 | 628 | ||
631 | if (i < ARRAY_SIZE(opregion->acpi->didl)) { |
629 | if (i < ARRAY_SIZE(opregion->acpi->didl)) { |
632 | did = opregion->acpi->didl[i]; |
630 | did = opregion->acpi->didl[i]; |
633 | } else { |
631 | } else { |
634 | i -= ARRAY_SIZE(opregion->acpi->didl); |
632 | i -= ARRAY_SIZE(opregion->acpi->didl); |
635 | 633 | ||
636 | if (WARN_ON(i >= ARRAY_SIZE(opregion->acpi->did2))) |
634 | if (WARN_ON(i >= ARRAY_SIZE(opregion->acpi->did2))) |
637 | return 0; |
635 | return 0; |
638 | 636 | ||
639 | did = opregion->acpi->did2[i]; |
637 | did = opregion->acpi->did2[i]; |
640 | } |
638 | } |
641 | 639 | ||
642 | return did; |
640 | return did; |
643 | } |
641 | } |
644 | 642 | ||
645 | static void set_did(struct intel_opregion *opregion, int i, u32 val) |
643 | static void set_did(struct intel_opregion *opregion, int i, u32 val) |
646 | { |
644 | { |
647 | if (i < ARRAY_SIZE(opregion->acpi->didl)) { |
645 | if (i < ARRAY_SIZE(opregion->acpi->didl)) { |
648 | opregion->acpi->didl[i] = val; |
646 | opregion->acpi->didl[i] = val; |
649 | } else { |
647 | } else { |
650 | i -= ARRAY_SIZE(opregion->acpi->didl); |
648 | i -= ARRAY_SIZE(opregion->acpi->didl); |
651 | 649 | ||
652 | if (WARN_ON(i >= ARRAY_SIZE(opregion->acpi->did2))) |
650 | if (WARN_ON(i >= ARRAY_SIZE(opregion->acpi->did2))) |
653 | return; |
651 | return; |
654 | 652 | ||
655 | opregion->acpi->did2[i] = val; |
653 | opregion->acpi->did2[i] = val; |
656 | } |
654 | } |
657 | } |
655 | } |
658 | 656 | ||
659 | static void intel_didl_outputs(struct drm_device *dev) |
657 | static void intel_didl_outputs(struct drm_device *dev) |
660 | { |
658 | { |
661 | struct drm_i915_private *dev_priv = dev->dev_private; |
659 | struct drm_i915_private *dev_priv = dev->dev_private; |
662 | struct intel_opregion *opregion = &dev_priv->opregion; |
660 | struct intel_opregion *opregion = &dev_priv->opregion; |
663 | struct drm_connector *connector; |
661 | struct drm_connector *connector; |
664 | acpi_handle handle; |
662 | acpi_handle handle; |
665 | struct acpi_device *acpi_dev, *acpi_cdev, *acpi_video_bus = NULL; |
663 | struct acpi_device *acpi_dev, *acpi_cdev, *acpi_video_bus = NULL; |
666 | unsigned long long device_id; |
664 | unsigned long long device_id; |
667 | acpi_status status; |
665 | acpi_status status; |
668 | u32 temp, max_outputs; |
666 | u32 temp, max_outputs; |
669 | int i = 0; |
667 | int i = 0; |
670 | 668 | ||
671 | handle = ACPI_HANDLE(&dev->pdev->dev); |
669 | handle = ACPI_HANDLE(&dev->pdev->dev); |
672 | if (!handle || acpi_bus_get_device(handle, &acpi_dev)) |
670 | if (!handle || acpi_bus_get_device(handle, &acpi_dev)) |
673 | return; |
671 | return; |
674 | 672 | ||
675 | if (acpi_is_video_device(handle)) |
673 | if (acpi_is_video_device(handle)) |
676 | acpi_video_bus = acpi_dev; |
674 | acpi_video_bus = acpi_dev; |
677 | else { |
675 | else { |
678 | list_for_each_entry(acpi_cdev, &acpi_dev->children, node) { |
676 | list_for_each_entry(acpi_cdev, &acpi_dev->children, node) { |
679 | if (acpi_is_video_device(acpi_cdev->handle)) { |
677 | if (acpi_is_video_device(acpi_cdev->handle)) { |
680 | acpi_video_bus = acpi_cdev; |
678 | acpi_video_bus = acpi_cdev; |
681 | break; |
679 | break; |
682 | } |
680 | } |
683 | } |
681 | } |
684 | } |
682 | } |
685 | 683 | ||
686 | if (!acpi_video_bus) { |
684 | if (!acpi_video_bus) { |
687 | DRM_ERROR("No ACPI video bus found\n"); |
685 | DRM_ERROR("No ACPI video bus found\n"); |
688 | return; |
686 | return; |
689 | } |
687 | } |
690 | 688 | ||
691 | /* |
689 | /* |
692 | * In theory, did2, the extended didl, gets added at opregion version |
690 | * In theory, did2, the extended didl, gets added at opregion version |
693 | * 3.0. In practice, however, we're supposed to set it for earlier |
691 | * 3.0. In practice, however, we're supposed to set it for earlier |
694 | * versions as well, since a BIOS that doesn't understand did2 should |
692 | * versions as well, since a BIOS that doesn't understand did2 should |
695 | * not look at it anyway. Use a variable so we can tweak this if a need |
693 | * not look at it anyway. Use a variable so we can tweak this if a need |
696 | * arises later. |
694 | * arises later. |
697 | */ |
695 | */ |
698 | max_outputs = ARRAY_SIZE(opregion->acpi->didl) + |
696 | max_outputs = ARRAY_SIZE(opregion->acpi->didl) + |
699 | ARRAY_SIZE(opregion->acpi->did2); |
697 | ARRAY_SIZE(opregion->acpi->did2); |
700 | 698 | ||
701 | list_for_each_entry(acpi_cdev, &acpi_video_bus->children, node) { |
699 | list_for_each_entry(acpi_cdev, &acpi_video_bus->children, node) { |
702 | if (i >= max_outputs) { |
700 | if (i >= max_outputs) { |
703 | DRM_DEBUG_KMS("More than %u outputs detected via ACPI\n", |
701 | DRM_DEBUG_KMS("More than %u outputs detected via ACPI\n", |
704 | max_outputs); |
702 | max_outputs); |
705 | return; |
703 | return; |
706 | } |
704 | } |
707 | status = acpi_evaluate_integer(acpi_cdev->handle, "_ADR", |
705 | status = acpi_evaluate_integer(acpi_cdev->handle, "_ADR", |
708 | NULL, &device_id); |
706 | NULL, &device_id); |
709 | if (ACPI_SUCCESS(status)) { |
707 | if (ACPI_SUCCESS(status)) { |
710 | if (!device_id) |
708 | if (!device_id) |
711 | goto blind_set; |
709 | goto blind_set; |
712 | set_did(opregion, i++, (u32)(device_id & 0x0f0f)); |
710 | set_did(opregion, i++, (u32)(device_id & 0x0f0f)); |
713 | } |
711 | } |
714 | } |
712 | } |
715 | 713 | ||
716 | end: |
714 | end: |
717 | DRM_DEBUG_KMS("%d outputs detected\n", i); |
715 | DRM_DEBUG_KMS("%d outputs detected\n", i); |
718 | 716 | ||
719 | /* If fewer than max outputs, the list must be null terminated */ |
717 | /* If fewer than max outputs, the list must be null terminated */ |
720 | if (i < max_outputs) |
718 | if (i < max_outputs) |
721 | set_did(opregion, i, 0); |
719 | set_did(opregion, i, 0); |
722 | return; |
720 | return; |
723 | 721 | ||
724 | blind_set: |
722 | blind_set: |
725 | i = 0; |
723 | i = 0; |
726 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
724 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
727 | int output_type = ACPI_OTHER_OUTPUT; |
725 | int output_type = ACPI_OTHER_OUTPUT; |
728 | if (i >= max_outputs) { |
726 | if (i >= max_outputs) { |
729 | DRM_DEBUG_KMS("More than %u outputs in connector list\n", |
727 | DRM_DEBUG_KMS("More than %u outputs in connector list\n", |
730 | max_outputs); |
728 | max_outputs); |
731 | return; |
729 | return; |
732 | } |
730 | } |
733 | switch (connector->connector_type) { |
731 | switch (connector->connector_type) { |
734 | case DRM_MODE_CONNECTOR_VGA: |
732 | case DRM_MODE_CONNECTOR_VGA: |
735 | case DRM_MODE_CONNECTOR_DVIA: |
733 | case DRM_MODE_CONNECTOR_DVIA: |
736 | output_type = ACPI_VGA_OUTPUT; |
734 | output_type = ACPI_VGA_OUTPUT; |
737 | break; |
735 | break; |
738 | case DRM_MODE_CONNECTOR_Composite: |
736 | case DRM_MODE_CONNECTOR_Composite: |
739 | case DRM_MODE_CONNECTOR_SVIDEO: |
737 | case DRM_MODE_CONNECTOR_SVIDEO: |
740 | case DRM_MODE_CONNECTOR_Component: |
738 | case DRM_MODE_CONNECTOR_Component: |
741 | case DRM_MODE_CONNECTOR_9PinDIN: |
739 | case DRM_MODE_CONNECTOR_9PinDIN: |
742 | output_type = ACPI_TV_OUTPUT; |
740 | output_type = ACPI_TV_OUTPUT; |
743 | break; |
741 | break; |
744 | case DRM_MODE_CONNECTOR_DVII: |
742 | case DRM_MODE_CONNECTOR_DVII: |
745 | case DRM_MODE_CONNECTOR_DVID: |
743 | case DRM_MODE_CONNECTOR_DVID: |
746 | case DRM_MODE_CONNECTOR_DisplayPort: |
744 | case DRM_MODE_CONNECTOR_DisplayPort: |
747 | case DRM_MODE_CONNECTOR_HDMIA: |
745 | case DRM_MODE_CONNECTOR_HDMIA: |
748 | case DRM_MODE_CONNECTOR_HDMIB: |
746 | case DRM_MODE_CONNECTOR_HDMIB: |
749 | output_type = ACPI_DIGITAL_OUTPUT; |
747 | output_type = ACPI_DIGITAL_OUTPUT; |
750 | break; |
748 | break; |
751 | case DRM_MODE_CONNECTOR_LVDS: |
749 | case DRM_MODE_CONNECTOR_LVDS: |
752 | output_type = ACPI_LVDS_OUTPUT; |
750 | output_type = ACPI_LVDS_OUTPUT; |
753 | break; |
751 | break; |
754 | } |
752 | } |
755 | temp = get_did(opregion, i); |
753 | temp = get_did(opregion, i); |
756 | set_did(opregion, i, temp | (1 << 31) | output_type | i); |
754 | set_did(opregion, i, temp | (1 << 31) | output_type | i); |
757 | i++; |
755 | i++; |
758 | } |
756 | } |
759 | goto end; |
757 | goto end; |
760 | } |
758 | } |
761 | 759 | ||
762 | static void intel_setup_cadls(struct drm_device *dev) |
760 | static void intel_setup_cadls(struct drm_device *dev) |
763 | { |
761 | { |
764 | struct drm_i915_private *dev_priv = dev->dev_private; |
762 | struct drm_i915_private *dev_priv = dev->dev_private; |
765 | struct intel_opregion *opregion = &dev_priv->opregion; |
763 | struct intel_opregion *opregion = &dev_priv->opregion; |
766 | int i = 0; |
764 | int i = 0; |
767 | u32 disp_id; |
765 | u32 disp_id; |
768 | 766 | ||
769 | /* Initialize the CADL field by duplicating the DIDL values. |
767 | /* Initialize the CADL field by duplicating the DIDL values. |
770 | * Technically, this is not always correct as display outputs may exist, |
768 | * Technically, this is not always correct as display outputs may exist, |
771 | * but not active. This initialization is necessary for some Clevo |
769 | * but not active. This initialization is necessary for some Clevo |
772 | * laptops that check this field before processing the brightness and |
770 | * laptops that check this field before processing the brightness and |
773 | * display switching hotkeys. Just like DIDL, CADL is NULL-terminated if |
771 | * display switching hotkeys. Just like DIDL, CADL is NULL-terminated if |
774 | * there are less than eight devices. */ |
772 | * there are less than eight devices. */ |
775 | do { |
773 | do { |
776 | disp_id = get_did(opregion, i); |
774 | disp_id = get_did(opregion, i); |
777 | opregion->acpi->cadl[i] = disp_id; |
775 | opregion->acpi->cadl[i] = disp_id; |
778 | } while (++i < 8 && disp_id != 0); |
776 | } while (++i < 8 && disp_id != 0); |
779 | } |
777 | } |
780 | 778 | ||
781 | void intel_opregion_init(struct drm_device *dev) |
779 | void intel_opregion_init(struct drm_device *dev) |
782 | { |
780 | { |
783 | struct drm_i915_private *dev_priv = dev->dev_private; |
781 | struct drm_i915_private *dev_priv = dev->dev_private; |
784 | struct intel_opregion *opregion = &dev_priv->opregion; |
782 | struct intel_opregion *opregion = &dev_priv->opregion; |
785 | 783 | ||
786 | if (!opregion->header) |
784 | if (!opregion->header) |
787 | return; |
785 | return; |
788 | 786 | ||
789 | if (opregion->acpi) { |
787 | if (opregion->acpi) { |
790 | intel_didl_outputs(dev); |
788 | intel_didl_outputs(dev); |
791 | intel_setup_cadls(dev); |
789 | intel_setup_cadls(dev); |
792 | 790 | ||
793 | /* Notify BIOS we are ready to handle ACPI video ext notifs. |
791 | /* Notify BIOS we are ready to handle ACPI video ext notifs. |
794 | * Right now, all the events are handled by the ACPI video module. |
792 | * Right now, all the events are handled by the ACPI video module. |
795 | * We don't actually need to do anything with them. */ |
793 | * We don't actually need to do anything with them. */ |
796 | opregion->acpi->csts = 0; |
794 | opregion->acpi->csts = 0; |
797 | opregion->acpi->drdy = 1; |
795 | opregion->acpi->drdy = 1; |
798 | 796 | ||
799 | system_opregion = opregion; |
797 | system_opregion = opregion; |
800 | register_acpi_notifier(&intel_opregion_notifier); |
798 | register_acpi_notifier(&intel_opregion_notifier); |
801 | } |
799 | } |
802 | 800 | ||
803 | if (opregion->asle) { |
801 | if (opregion->asle) { |
804 | opregion->asle->tche = ASLE_TCHE_BLC_EN; |
802 | opregion->asle->tche = ASLE_TCHE_BLC_EN; |
805 | opregion->asle->ardy = ASLE_ARDY_READY; |
803 | opregion->asle->ardy = ASLE_ARDY_READY; |
806 | } |
804 | } |
807 | } |
805 | } |
808 | 806 | ||
809 | void intel_opregion_fini(struct drm_device *dev) |
807 | void intel_opregion_fini(struct drm_device *dev) |
810 | { |
808 | { |
811 | struct drm_i915_private *dev_priv = dev->dev_private; |
809 | struct drm_i915_private *dev_priv = dev->dev_private; |
812 | struct intel_opregion *opregion = &dev_priv->opregion; |
810 | struct intel_opregion *opregion = &dev_priv->opregion; |
813 | 811 | ||
814 | if (!opregion->header) |
812 | if (!opregion->header) |
815 | return; |
813 | return; |
816 | 814 | ||
817 | if (opregion->asle) |
815 | if (opregion->asle) |
818 | opregion->asle->ardy = ASLE_ARDY_NOT_READY; |
816 | opregion->asle->ardy = ASLE_ARDY_NOT_READY; |
819 | 817 | ||
820 | cancel_work_sync(&dev_priv->opregion.asle_work); |
818 | cancel_work_sync(&dev_priv->opregion.asle_work); |
821 | 819 | ||
822 | if (opregion->acpi) { |
820 | if (opregion->acpi) { |
823 | opregion->acpi->drdy = 0; |
821 | opregion->acpi->drdy = 0; |
824 | 822 | ||
825 | system_opregion = NULL; |
823 | system_opregion = NULL; |
826 | unregister_acpi_notifier(&intel_opregion_notifier); |
824 | unregister_acpi_notifier(&intel_opregion_notifier); |
827 | } |
825 | } |
828 | 826 | ||
829 | /* just clear all opregion memory pointers now */ |
827 | /* just clear all opregion memory pointers now */ |
830 | memunmap(opregion->header); |
828 | memunmap(opregion->header); |
831 | opregion->header = NULL; |
829 | opregion->header = NULL; |
832 | opregion->acpi = NULL; |
830 | opregion->acpi = NULL; |
833 | opregion->swsci = NULL; |
831 | opregion->swsci = NULL; |
834 | opregion->asle = NULL; |
832 | opregion->asle = NULL; |
835 | opregion->vbt = NULL; |
833 | opregion->vbt = NULL; |
836 | opregion->lid_state = NULL; |
834 | opregion->lid_state = NULL; |
837 | } |
835 | } |
838 | 836 | ||
839 | static void swsci_setup(struct drm_device *dev) |
837 | static void swsci_setup(struct drm_device *dev) |
840 | { |
838 | { |
841 | struct drm_i915_private *dev_priv = dev->dev_private; |
839 | struct drm_i915_private *dev_priv = dev->dev_private; |
842 | struct intel_opregion *opregion = &dev_priv->opregion; |
840 | struct intel_opregion *opregion = &dev_priv->opregion; |
843 | bool requested_callbacks = false; |
841 | bool requested_callbacks = false; |
844 | u32 tmp; |
842 | u32 tmp; |
845 | 843 | ||
846 | /* Sub-function code 0 is okay, let's allow them. */ |
844 | /* Sub-function code 0 is okay, let's allow them. */ |
847 | opregion->swsci_gbda_sub_functions = 1; |
845 | opregion->swsci_gbda_sub_functions = 1; |
848 | opregion->swsci_sbcb_sub_functions = 1; |
846 | opregion->swsci_sbcb_sub_functions = 1; |
849 | 847 | ||
850 | /* We use GBDA to ask for supported GBDA calls. */ |
848 | /* We use GBDA to ask for supported GBDA calls. */ |
851 | if (swsci(dev, SWSCI_GBDA_SUPPORTED_CALLS, 0, &tmp) == 0) { |
849 | if (swsci(dev, SWSCI_GBDA_SUPPORTED_CALLS, 0, &tmp) == 0) { |
852 | /* make the bits match the sub-function codes */ |
850 | /* make the bits match the sub-function codes */ |
853 | tmp <<= 1; |
851 | tmp <<= 1; |
854 | opregion->swsci_gbda_sub_functions |= tmp; |
852 | opregion->swsci_gbda_sub_functions |= tmp; |
855 | } |
853 | } |
856 | 854 | ||
857 | /* |
855 | /* |
858 | * We also use GBDA to ask for _requested_ SBCB callbacks. The driver |
856 | * We also use GBDA to ask for _requested_ SBCB callbacks. The driver |
859 | * must not call interfaces that are not specifically requested by the |
857 | * must not call interfaces that are not specifically requested by the |
860 | * bios. |
858 | * bios. |
861 | */ |
859 | */ |
862 | if (swsci(dev, SWSCI_GBDA_REQUESTED_CALLBACKS, 0, &tmp) == 0) { |
860 | if (swsci(dev, SWSCI_GBDA_REQUESTED_CALLBACKS, 0, &tmp) == 0) { |
863 | /* here, the bits already match sub-function codes */ |
861 | /* here, the bits already match sub-function codes */ |
864 | opregion->swsci_sbcb_sub_functions |= tmp; |
862 | opregion->swsci_sbcb_sub_functions |= tmp; |
865 | requested_callbacks = true; |
863 | requested_callbacks = true; |
866 | } |
864 | } |
867 | 865 | ||
868 | /* |
866 | /* |
869 | * But we use SBCB to ask for _supported_ SBCB calls. This does not mean |
867 | * But we use SBCB to ask for _supported_ SBCB calls. This does not mean |
870 | * the callback is _requested_. But we still can't call interfaces that |
868 | * the callback is _requested_. But we still can't call interfaces that |
871 | * are not requested. |
869 | * are not requested. |
872 | */ |
870 | */ |
873 | if (swsci(dev, SWSCI_SBCB_SUPPORTED_CALLBACKS, 0, &tmp) == 0) { |
871 | if (swsci(dev, SWSCI_SBCB_SUPPORTED_CALLBACKS, 0, &tmp) == 0) { |
874 | /* make the bits match the sub-function codes */ |
872 | /* make the bits match the sub-function codes */ |
875 | u32 low = tmp & 0x7ff; |
873 | u32 low = tmp & 0x7ff; |
876 | u32 high = tmp & ~0xfff; /* bit 11 is reserved */ |
874 | u32 high = tmp & ~0xfff; /* bit 11 is reserved */ |
877 | tmp = (high << 4) | (low << 1) | 1; |
875 | tmp = (high << 4) | (low << 1) | 1; |
878 | 876 | ||
879 | /* best guess what to do with supported wrt requested */ |
877 | /* best guess what to do with supported wrt requested */ |
880 | if (requested_callbacks) { |
878 | if (requested_callbacks) { |
881 | u32 req = opregion->swsci_sbcb_sub_functions; |
879 | u32 req = opregion->swsci_sbcb_sub_functions; |
882 | if ((req & tmp) != req) |
880 | if ((req & tmp) != req) |
883 | DRM_DEBUG_DRIVER("SWSCI BIOS requested (%08x) SBCB callbacks that are not supported (%08x)\n", req, tmp); |
881 | DRM_DEBUG_DRIVER("SWSCI BIOS requested (%08x) SBCB callbacks that are not supported (%08x)\n", req, tmp); |
884 | /* XXX: for now, trust the requested callbacks */ |
882 | /* XXX: for now, trust the requested callbacks */ |
885 | /* opregion->swsci_sbcb_sub_functions &= tmp; */ |
883 | /* opregion->swsci_sbcb_sub_functions &= tmp; */ |
886 | } else { |
884 | } else { |
887 | opregion->swsci_sbcb_sub_functions |= tmp; |
885 | opregion->swsci_sbcb_sub_functions |= tmp; |
888 | } |
886 | } |
889 | } |
887 | } |
890 | 888 | ||
891 | DRM_DEBUG_DRIVER("SWSCI GBDA callbacks %08x, SBCB callbacks %08x\n", |
889 | DRM_DEBUG_DRIVER("SWSCI GBDA callbacks %08x, SBCB callbacks %08x\n", |
892 | opregion->swsci_gbda_sub_functions, |
890 | opregion->swsci_gbda_sub_functions, |
893 | opregion->swsci_sbcb_sub_functions); |
891 | opregion->swsci_sbcb_sub_functions); |
894 | } |
892 | } |
895 | #else /* CONFIG_ACPI */ |
893 | #else /* CONFIG_ACPI */ |
896 | static inline void swsci_setup(struct drm_device *dev) {} |
894 | static inline void swsci_setup(struct drm_device *dev) {} |
897 | #endif /* CONFIG_ACPI */ |
895 | #endif /* CONFIG_ACPI */ |
898 | 896 | ||
899 | int intel_opregion_setup(struct drm_device *dev) |
897 | int intel_opregion_setup(struct drm_device *dev) |
900 | { |
898 | { |
901 | struct drm_i915_private *dev_priv = dev->dev_private; |
899 | struct drm_i915_private *dev_priv = dev->dev_private; |
902 | struct intel_opregion *opregion = &dev_priv->opregion; |
900 | struct intel_opregion *opregion = &dev_priv->opregion; |
903 | u32 asls, mboxes; |
901 | u32 asls, mboxes; |
904 | char buf[sizeof(OPREGION_SIGNATURE)]; |
902 | char buf[sizeof(OPREGION_SIGNATURE)]; |
905 | int err = 0; |
903 | int err = 0; |
906 | void *base; |
904 | void *base; |
907 | 905 | ||
908 | BUILD_BUG_ON(sizeof(struct opregion_header) != 0x100); |
906 | BUILD_BUG_ON(sizeof(struct opregion_header) != 0x100); |
909 | BUILD_BUG_ON(sizeof(struct opregion_acpi) != 0x100); |
907 | BUILD_BUG_ON(sizeof(struct opregion_acpi) != 0x100); |
910 | BUILD_BUG_ON(sizeof(struct opregion_swsci) != 0x100); |
908 | BUILD_BUG_ON(sizeof(struct opregion_swsci) != 0x100); |
911 | BUILD_BUG_ON(sizeof(struct opregion_asle) != 0x100); |
909 | BUILD_BUG_ON(sizeof(struct opregion_asle) != 0x100); |
912 | 910 | ||
913 | pci_read_config_dword(dev->pdev, PCI_ASLS, &asls); |
911 | pci_read_config_dword(dev->pdev, PCI_ASLS, &asls); |
914 | DRM_DEBUG_DRIVER("graphic opregion physical addr: 0x%x\n", asls); |
912 | DRM_DEBUG_DRIVER("graphic opregion physical addr: 0x%x\n", asls); |
915 | if (asls == 0) { |
913 | if (asls == 0) { |
916 | DRM_DEBUG_DRIVER("ACPI OpRegion not supported!\n"); |
914 | DRM_DEBUG_DRIVER("ACPI OpRegion not supported!\n"); |
917 | return -ENOTSUPP; |
915 | return -ENOTSUPP; |
918 | } |
916 | } |
919 | 917 | ||
920 | #ifdef CONFIG_ACPI |
918 | #ifdef CONFIG_ACPI |
921 | INIT_WORK(&opregion->asle_work, asle_work); |
919 | INIT_WORK(&opregion->asle_work, asle_work); |
922 | #endif |
920 | #endif |
923 | 921 | ||
924 | base = memremap(asls, OPREGION_SIZE, MEMREMAP_WB); |
922 | base = memremap(asls, OPREGION_SIZE, MEMREMAP_WB); |
925 | if (!base) |
923 | if (!base) |
926 | return -ENOMEM; |
924 | return -ENOMEM; |
927 | 925 | ||
928 | memcpy(buf, base, sizeof(buf)); |
926 | memcpy(buf, base, sizeof(buf)); |
929 | 927 | ||
930 | if (memcmp(buf, OPREGION_SIGNATURE, 16)) { |
928 | if (memcmp(buf, OPREGION_SIGNATURE, 16)) { |
931 | DRM_DEBUG_DRIVER("opregion signature mismatch\n"); |
929 | DRM_DEBUG_DRIVER("opregion signature mismatch\n"); |
932 | err = -EINVAL; |
930 | err = -EINVAL; |
933 | goto err_out; |
931 | goto err_out; |
934 | } |
932 | } |
935 | opregion->header = base; |
933 | opregion->header = base; |
936 | opregion->vbt = base + OPREGION_VBT_OFFSET; |
934 | opregion->vbt = base + OPREGION_VBT_OFFSET; |
937 | 935 | ||
938 | opregion->lid_state = base + ACPI_CLID; |
936 | opregion->lid_state = base + ACPI_CLID; |
939 | 937 | ||
940 | mboxes = opregion->header->mboxes; |
938 | mboxes = opregion->header->mboxes; |
941 | if (mboxes & MBOX_ACPI) { |
939 | if (mboxes & MBOX_ACPI) { |
942 | DRM_DEBUG_DRIVER("Public ACPI methods supported\n"); |
940 | DRM_DEBUG_DRIVER("Public ACPI methods supported\n"); |
943 | opregion->acpi = base + OPREGION_ACPI_OFFSET; |
941 | opregion->acpi = base + OPREGION_ACPI_OFFSET; |
944 | } |
942 | } |
945 | 943 | ||
946 | if (mboxes & MBOX_SWSCI) { |
944 | if (mboxes & MBOX_SWSCI) { |
947 | DRM_DEBUG_DRIVER("SWSCI supported\n"); |
945 | DRM_DEBUG_DRIVER("SWSCI supported\n"); |
948 | opregion->swsci = base + OPREGION_SWSCI_OFFSET; |
946 | opregion->swsci = base + OPREGION_SWSCI_OFFSET; |
949 | swsci_setup(dev); |
947 | swsci_setup(dev); |
950 | } |
948 | } |
951 | if (mboxes & MBOX_ASLE) { |
949 | if (mboxes & MBOX_ASLE) { |
952 | DRM_DEBUG_DRIVER("ASLE supported\n"); |
950 | DRM_DEBUG_DRIVER("ASLE supported\n"); |
953 | opregion->asle = base + OPREGION_ASLE_OFFSET; |
951 | opregion->asle = base + OPREGION_ASLE_OFFSET; |
954 | 952 | ||
955 | opregion->asle->ardy = ASLE_ARDY_NOT_READY; |
953 | opregion->asle->ardy = ASLE_ARDY_NOT_READY; |
956 | } |
954 | } |
957 | 955 | ||
958 | return 0; |
956 | return 0; |
959 | 957 | ||
960 | err_out: |
958 | err_out: |
961 | memunmap(base); |
959 | memunmap(base); |
962 | return err; |
960 | return err; |
963 | }><>><>=><=>>><>>>>2) |
961 | }><>><>=><=>>><>>>>2) |
964 | 962 | ||
965 | static><2) |
963 | static><2) |
966 | 964 | ||
967 | static>1) |
965 | static>1) |
968 | #define><1) |
966 | #define><1) |
969 | #define>0) |
967 | #define>0) |
970 | #define><0) |
968 | #define><0) |
971 | #define>>><>><>><>><>><>8) |
969 | #define>>><>><>><>><>><>8) |
972 | 970 | ||
973 | #define><8) |
971 | #define><8) |
974 | 972 | ||
975 | #define>8) |
973 | #define>8) |
976 | #define><8) |
974 | #define><8) |
977 | #define>8) |
975 | #define>8) |
978 | #define><8) |
976 | #define><8) |
979 | #define>8) |
977 | #define>8) |
980 | #define><8) |
978 | #define><8) |
981 | #define>8) |
979 | #define>8) |
982 | #define><8) |
980 | #define><8) |
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984 | 982 | ||
985 | /*><31) |
983 | /*><31) |
986 | 984 | ||
987 | /*>31) |
985 | /*>31) |
988 | 986 | ||
989 | #define><31) |
987 | #define><31) |
990 | 988 | ||
991 | #define>8) |
989 | #define>8) |
992 | #define><8) |
990 | #define><8) |
993 | #define>2) |
991 | #define>2) |
994 | 992 | ||
995 | /*><2) |
993 | /*><2) |
996 | 994 | ||
997 | /*>1) |
995 | /*>1) |
998 | #define><1) |
996 | #define><1) |
999 | #define>0) |
997 | #define>0) |
1000 | #define><0) |
998 | #define><0) |
1001 | #define>31) |
999 | #define>31) |
1002 | #define><31) |
1000 | #define><31) |
1003 | #define>31)) |
1001 | #define>31)) |
1004 | 1002 | ||
1005 | /*><31)) |
1003 | /*><31)) |
1006 | 1004 | ||
1007 | /*>31) |
1005 | /*>31) |
1008 | #define><31) |
1006 | #define><31) |
1009 | #define>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>4) |
1007 | #define>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>><>4) |
1010 | 1008 | ||
1011 | struct><4) |
1009 | struct><4) |
1012 | 1010 | ||
1013 | struct>2) |
1011 | struct>2) |
1014 | #define><2) |
1012 | #define><2) |
1015 | #define>1) |
1013 | #define>1) |
1016 | #define><1) |
1014 | #define><1) |
1017 | #define>0) |
1015 | #define>0) |
1018 | #define><0) |
1016 | #define><0) |
1019 | #define>><>><> |
1017 | #define>><>><> |