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9e05b2f4 AD |
1 | /* |
2 | * Copyright 2012 Advanced Micro Devices, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | */ | |
23 | ||
24 | #ifndef RADEON_ACPI_H | |
25 | #define RADEON_ACPI_H | |
26 | ||
fda4b25c LT |
27 | struct radeon_device; |
28 | struct acpi_bus_event; | |
29 | ||
30 | int radeon_atif_handler(struct radeon_device *rdev, | |
31 | struct acpi_bus_event *event); | |
32 | ||
9e05b2f4 AD |
33 | /* AMD hw uses four ACPI control methods: |
34 | * 1. ATIF | |
35 | * ARG0: (ACPI_INTEGER) function code | |
36 | * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes | |
37 | * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes | |
38 | * ATIF provides an entry point for the gfx driver to interact with the sbios. | |
39 | * The AMD ACPI notification mechanism uses Notify (VGA, 0x81) or a custom | |
40 | * notification. Which notification is used as indicated by the ATIF Control | |
41 | * Method GET_SYSTEM_PARAMETERS. When the driver receives Notify (VGA, 0x81) or | |
42 | * a custom notification it invokes ATIF Control Method GET_SYSTEM_BIOS_REQUESTS | |
43 | * to identify pending System BIOS requests and associated parameters. For | |
44 | * example, if one of the pending requests is DISPLAY_SWITCH_REQUEST, the driver | |
45 | * will perform display device detection and invoke ATIF Control Method | |
46 | * SELECT_ACTIVE_DISPLAYS. | |
47 | * | |
48 | * 2. ATPX | |
49 | * ARG0: (ACPI_INTEGER) function code | |
50 | * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes | |
51 | * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes | |
52 | * ATPX methods are used on PowerXpress systems to handle mux switching and | |
53 | * discrete GPU power control. | |
54 | * | |
55 | * 3. ATRM | |
56 | * ARG0: (ACPI_INTEGER) offset of vbios rom data | |
57 | * ARG1: (ACPI_BUFFER) size of the buffer to fill (up to 4K). | |
58 | * OUTPUT: (ACPI_BUFFER) output buffer | |
59 | * ATRM provides an interfacess to access the discrete GPU vbios image on | |
60 | * PowerXpress systems with multiple GPUs. | |
61 | * | |
62 | * 4. ATCS | |
63 | * ARG0: (ACPI_INTEGER) function code | |
64 | * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes | |
65 | * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes | |
66 | * ATCS provides an interface to AMD chipset specific functionality. | |
67 | * | |
68 | */ | |
69 | /* ATIF */ | |
70 | #define ATIF_FUNCTION_VERIFY_INTERFACE 0x0 | |
71 | /* ARG0: ATIF_FUNCTION_VERIFY_INTERFACE | |
72 | * ARG1: none | |
73 | * OUTPUT: | |
74 | * WORD - structure size in bytes (includes size field) | |
75 | * WORD - version | |
76 | * DWORD - supported notifications mask | |
77 | * DWORD - supported functions bit vector | |
78 | */ | |
79 | /* Notifications mask */ | |
80 | # define ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED (1 << 0) | |
81 | # define ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED (1 << 1) | |
82 | # define ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED (1 << 2) | |
83 | # define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED (1 << 3) | |
84 | # define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED (1 << 4) | |
85 | # define ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED (1 << 5) | |
86 | # define ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED (1 << 6) | |
87 | # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7) | |
88 | # define ATIF_DGPU_DISPLAY_EVENT_SUPPORTED (1 << 8) | |
89 | /* supported functions vector */ | |
90 | # define ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED (1 << 0) | |
91 | # define ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED (1 << 1) | |
92 | # define ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED (1 << 2) | |
93 | # define ATIF_GET_LID_STATE_SUPPORTED (1 << 3) | |
94 | # define ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED (1 << 4) | |
95 | # define ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED (1 << 5) | |
96 | # define ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED (1 << 6) | |
97 | # define ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED (1 << 7) | |
98 | # define ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED (1 << 12) | |
99 | # define ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED (1 << 14) | |
100 | #define ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 0x1 | |
101 | /* ARG0: ATIF_FUNCTION_GET_SYSTEM_PARAMETERS | |
102 | * ARG1: none | |
103 | * OUTPUT: | |
104 | * WORD - structure size in bytes (includes size field) | |
105 | * DWORD - valid flags mask | |
106 | * DWORD - flags | |
107 | * | |
108 | * OR | |
109 | * | |
110 | * WORD - structure size in bytes (includes size field) | |
111 | * DWORD - valid flags mask | |
112 | * DWORD - flags | |
113 | * BYTE - notify command code | |
114 | * | |
115 | * flags | |
116 | * bits 1:0: | |
117 | * 0 - Notify(VGA, 0x81) is not used for notification | |
118 | * 1 - Notify(VGA, 0x81) is used for notification | |
119 | * 2 - Notify(VGA, n) is used for notification where | |
120 | * n (0xd0-0xd9) is specified in notify command code. | |
121 | * bit 2: | |
122 | * 1 - lid changes not reported though int10 | |
123 | */ | |
124 | #define ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 0x2 | |
125 | /* ARG0: ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS | |
126 | * ARG1: none | |
127 | * OUTPUT: | |
128 | * WORD - structure size in bytes (includes size field) | |
129 | * DWORD - pending sbios requests | |
130 | * BYTE - panel expansion mode | |
131 | * BYTE - thermal state: target gfx controller | |
132 | * BYTE - thermal state: state id (0: exit state, non-0: state) | |
133 | * BYTE - forced power state: target gfx controller | |
134 | * BYTE - forced power state: state id | |
135 | * BYTE - system power source | |
136 | * BYTE - panel backlight level (0-255) | |
137 | */ | |
138 | /* pending sbios requests */ | |
139 | # define ATIF_DISPLAY_SWITCH_REQUEST (1 << 0) | |
140 | # define ATIF_EXPANSION_MODE_CHANGE_REQUEST (1 << 1) | |
141 | # define ATIF_THERMAL_STATE_CHANGE_REQUEST (1 << 2) | |
142 | # define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST (1 << 3) | |
143 | # define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST (1 << 4) | |
144 | # define ATIF_DISPLAY_CONF_CHANGE_REQUEST (1 << 5) | |
145 | # define ATIF_PX_GFX_SWITCH_REQUEST (1 << 6) | |
146 | # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST (1 << 7) | |
147 | # define ATIF_DGPU_DISPLAY_EVENT (1 << 8) | |
148 | /* panel expansion mode */ | |
149 | # define ATIF_PANEL_EXPANSION_DISABLE 0 | |
150 | # define ATIF_PANEL_EXPANSION_FULL 1 | |
151 | # define ATIF_PANEL_EXPANSION_ASPECT 2 | |
152 | /* target gfx controller */ | |
153 | # define ATIF_TARGET_GFX_SINGLE 0 | |
154 | # define ATIF_TARGET_GFX_PX_IGPU 1 | |
155 | # define ATIF_TARGET_GFX_PX_DGPU 2 | |
156 | /* system power source */ | |
157 | # define ATIF_POWER_SOURCE_AC 1 | |
158 | # define ATIF_POWER_SOURCE_DC 2 | |
159 | # define ATIF_POWER_SOURCE_RESTRICTED_AC_1 3 | |
160 | # define ATIF_POWER_SOURCE_RESTRICTED_AC_2 4 | |
161 | #define ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 0x3 | |
162 | /* ARG0: ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS | |
163 | * ARG1: | |
164 | * WORD - structure size in bytes (includes size field) | |
165 | * WORD - selected displays | |
166 | * WORD - connected displays | |
167 | * OUTPUT: | |
168 | * WORD - structure size in bytes (includes size field) | |
169 | * WORD - selected displays | |
170 | */ | |
171 | # define ATIF_LCD1 (1 << 0) | |
172 | # define ATIF_CRT1 (1 << 1) | |
173 | # define ATIF_TV (1 << 2) | |
174 | # define ATIF_DFP1 (1 << 3) | |
175 | # define ATIF_CRT2 (1 << 4) | |
176 | # define ATIF_LCD2 (1 << 5) | |
177 | # define ATIF_DFP2 (1 << 7) | |
178 | # define ATIF_CV (1 << 8) | |
179 | # define ATIF_DFP3 (1 << 9) | |
180 | # define ATIF_DFP4 (1 << 10) | |
181 | # define ATIF_DFP5 (1 << 11) | |
182 | # define ATIF_DFP6 (1 << 12) | |
183 | #define ATIF_FUNCTION_GET_LID_STATE 0x4 | |
184 | /* ARG0: ATIF_FUNCTION_GET_LID_STATE | |
185 | * ARG1: none | |
186 | * OUTPUT: | |
187 | * WORD - structure size in bytes (includes size field) | |
188 | * BYTE - lid state (0: open, 1: closed) | |
189 | * | |
190 | * GET_LID_STATE only works at boot and resume, for general lid | |
191 | * status, use the kernel provided status | |
192 | */ | |
193 | #define ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 0x5 | |
194 | /* ARG0: ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS | |
195 | * ARG1: none | |
196 | * OUTPUT: | |
197 | * WORD - structure size in bytes (includes size field) | |
198 | * BYTE - 0 | |
199 | * BYTE - TV standard | |
200 | */ | |
201 | # define ATIF_TV_STD_NTSC 0 | |
202 | # define ATIF_TV_STD_PAL 1 | |
203 | # define ATIF_TV_STD_PALM 2 | |
204 | # define ATIF_TV_STD_PAL60 3 | |
205 | # define ATIF_TV_STD_NTSCJ 4 | |
206 | # define ATIF_TV_STD_PALCN 5 | |
207 | # define ATIF_TV_STD_PALN 6 | |
208 | # define ATIF_TV_STD_SCART_RGB 9 | |
209 | #define ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 0x6 | |
210 | /* ARG0: ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS | |
211 | * ARG1: | |
212 | * WORD - structure size in bytes (includes size field) | |
213 | * BYTE - 0 | |
214 | * BYTE - TV standard | |
215 | * OUTPUT: none | |
216 | */ | |
217 | #define ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 0x7 | |
218 | /* ARG0: ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS | |
219 | * ARG1: none | |
220 | * OUTPUT: | |
221 | * WORD - structure size in bytes (includes size field) | |
222 | * BYTE - panel expansion mode | |
223 | */ | |
224 | #define ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 0x8 | |
225 | /* ARG0: ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS | |
226 | * ARG1: | |
227 | * WORD - structure size in bytes (includes size field) | |
228 | * BYTE - panel expansion mode | |
229 | * OUTPUT: none | |
230 | */ | |
231 | #define ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 0xD | |
232 | /* ARG0: ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION | |
233 | * ARG1: | |
234 | * WORD - structure size in bytes (includes size field) | |
235 | * WORD - gfx controller id | |
236 | * BYTE - current temperature (degress Celsius) | |
237 | * OUTPUT: none | |
238 | */ | |
239 | #define ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 0xF | |
240 | /* ARG0: ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES | |
241 | * ARG1: none | |
242 | * OUTPUT: | |
243 | * WORD - number of gfx devices | |
244 | * WORD - device structure size in bytes (excludes device size field) | |
245 | * DWORD - flags \ | |
246 | * WORD - bus number } repeated structure | |
247 | * WORD - device number / | |
248 | */ | |
249 | /* flags */ | |
250 | # define ATIF_PX_REMOVABLE_GRAPHICS_DEVICE (1 << 0) | |
251 | # define ATIF_XGP_PORT (1 << 1) | |
252 | # define ATIF_VGA_ENABLED_GRAPHICS_DEVICE (1 << 2) | |
253 | # define ATIF_XGP_PORT_IN_DOCK (1 << 3) | |
254 | ||
255 | /* ATPX */ | |
256 | #define ATPX_FUNCTION_VERIFY_INTERFACE 0x0 | |
257 | /* ARG0: ATPX_FUNCTION_VERIFY_INTERFACE | |
258 | * ARG1: none | |
259 | * OUTPUT: | |
260 | * WORD - structure size in bytes (includes size field) | |
261 | * WORD - version | |
262 | * DWORD - supported functions bit vector | |
263 | */ | |
264 | /* supported functions vector */ | |
265 | # define ATPX_GET_PX_PARAMETERS_SUPPORTED (1 << 0) | |
266 | # define ATPX_POWER_CONTROL_SUPPORTED (1 << 1) | |
267 | # define ATPX_DISPLAY_MUX_CONTROL_SUPPORTED (1 << 2) | |
268 | # define ATPX_I2C_MUX_CONTROL_SUPPORTED (1 << 3) | |
269 | # define ATPX_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION_SUPPORTED (1 << 4) | |
270 | # define ATPX_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION_SUPPORTED (1 << 5) | |
271 | # define ATPX_GET_DISPLAY_CONNECTORS_MAPPING_SUPPORTED (1 << 7) | |
272 | # define ATPX_GET_DISPLAY_DETECTION_PORTS_SUPPORTED (1 << 8) | |
273 | #define ATPX_FUNCTION_GET_PX_PARAMETERS 0x1 | |
274 | /* ARG0: ATPX_FUNCTION_GET_PX_PARAMETERS | |
275 | * ARG1: none | |
276 | * OUTPUT: | |
277 | * WORD - structure size in bytes (includes size field) | |
278 | * DWORD - valid flags mask | |
279 | * DWORD - flags | |
280 | */ | |
281 | /* flags */ | |
282 | # define ATPX_LVDS_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 0) | |
283 | # define ATPX_CRT1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 1) | |
284 | # define ATPX_DVI1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 2) | |
285 | # define ATPX_CRT1_RGB_SIGNAL_MUXED (1 << 3) | |
286 | # define ATPX_TV_SIGNAL_MUXED (1 << 4) | |
287 | # define ATPX_DFP_SIGNAL_MUXED (1 << 5) | |
288 | # define ATPX_SEPARATE_MUX_FOR_I2C (1 << 6) | |
289 | # define ATPX_DYNAMIC_PX_SUPPORTED (1 << 7) | |
290 | # define ATPX_ACF_NOT_SUPPORTED (1 << 8) | |
291 | # define ATPX_FIXED_NOT_SUPPORTED (1 << 9) | |
292 | # define ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED (1 << 10) | |
293 | # define ATPX_DGPU_REQ_POWER_FOR_DISPLAYS (1 << 11) | |
18aee16d AD |
294 | # define ATPX_DGPU_CAN_DRIVE_DISPLAYS (1 << 12) |
295 | # define ATPX_MS_HYBRID_GFX_SUPPORTED (1 << 14) | |
9e05b2f4 AD |
296 | #define ATPX_FUNCTION_POWER_CONTROL 0x2 |
297 | /* ARG0: ATPX_FUNCTION_POWER_CONTROL | |
298 | * ARG1: | |
299 | * WORD - structure size in bytes (includes size field) | |
300 | * BYTE - dGPU power state (0: power off, 1: power on) | |
301 | * OUTPUT: none | |
302 | */ | |
303 | #define ATPX_FUNCTION_DISPLAY_MUX_CONTROL 0x3 | |
304 | /* ARG0: ATPX_FUNCTION_DISPLAY_MUX_CONTROL | |
305 | * ARG1: | |
306 | * WORD - structure size in bytes (includes size field) | |
307 | * WORD - display mux control (0: iGPU, 1: dGPU) | |
308 | * OUTPUT: none | |
309 | */ | |
310 | # define ATPX_INTEGRATED_GPU 0 | |
311 | # define ATPX_DISCRETE_GPU 1 | |
312 | #define ATPX_FUNCTION_I2C_MUX_CONTROL 0x4 | |
313 | /* ARG0: ATPX_FUNCTION_I2C_MUX_CONTROL | |
314 | * ARG1: | |
315 | * WORD - structure size in bytes (includes size field) | |
316 | * WORD - i2c/aux/hpd mux control (0: iGPU, 1: dGPU) | |
317 | * OUTPUT: none | |
318 | */ | |
319 | #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 0x5 | |
320 | /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION | |
321 | * ARG1: | |
322 | * WORD - structure size in bytes (includes size field) | |
323 | * WORD - target gpu (0: iGPU, 1: dGPU) | |
324 | * OUTPUT: none | |
325 | */ | |
326 | #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 0x6 | |
327 | /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION | |
328 | * ARG1: | |
329 | * WORD - structure size in bytes (includes size field) | |
330 | * WORD - target gpu (0: iGPU, 1: dGPU) | |
331 | * OUTPUT: none | |
332 | */ | |
333 | #define ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 0x8 | |
334 | /* ARG0: ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING | |
335 | * ARG1: none | |
336 | * OUTPUT: | |
337 | * WORD - number of display connectors | |
338 | * WORD - connector structure size in bytes (excludes connector size field) | |
339 | * BYTE - flags \ | |
340 | * BYTE - ATIF display vector bit position } repeated | |
341 | * BYTE - adapter id (0: iGPU, 1-n: dGPU ordered by pcie bus number) } structure | |
342 | * WORD - connector ACPI id / | |
343 | */ | |
344 | /* flags */ | |
345 | # define ATPX_DISPLAY_OUTPUT_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 0) | |
346 | # define ATPX_DISPLAY_HPD_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 1) | |
347 | # define ATPX_DISPLAY_I2C_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 2) | |
348 | #define ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 0x9 | |
349 | /* ARG0: ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS | |
350 | * ARG1: none | |
351 | * OUTPUT: | |
352 | * WORD - number of HPD/DDC ports | |
353 | * WORD - port structure size in bytes (excludes port size field) | |
354 | * BYTE - ATIF display vector bit position \ | |
355 | * BYTE - hpd id } reapeated structure | |
356 | * BYTE - ddc id / | |
357 | * | |
358 | * available on A+A systems only | |
359 | */ | |
360 | /* hpd id */ | |
361 | # define ATPX_HPD_NONE 0 | |
362 | # define ATPX_HPD1 1 | |
363 | # define ATPX_HPD2 2 | |
364 | # define ATPX_HPD3 3 | |
365 | # define ATPX_HPD4 4 | |
366 | # define ATPX_HPD5 5 | |
367 | # define ATPX_HPD6 6 | |
368 | /* ddc id */ | |
369 | # define ATPX_DDC_NONE 0 | |
370 | # define ATPX_DDC1 1 | |
371 | # define ATPX_DDC2 2 | |
372 | # define ATPX_DDC3 3 | |
373 | # define ATPX_DDC4 4 | |
374 | # define ATPX_DDC5 5 | |
375 | # define ATPX_DDC6 6 | |
376 | # define ATPX_DDC7 7 | |
377 | # define ATPX_DDC8 8 | |
378 | ||
379 | /* ATCS */ | |
380 | #define ATCS_FUNCTION_VERIFY_INTERFACE 0x0 | |
381 | /* ARG0: ATCS_FUNCTION_VERIFY_INTERFACE | |
382 | * ARG1: none | |
383 | * OUTPUT: | |
384 | * WORD - structure size in bytes (includes size field) | |
385 | * WORD - version | |
386 | * DWORD - supported functions bit vector | |
387 | */ | |
388 | /* supported functions vector */ | |
389 | # define ATCS_GET_EXTERNAL_STATE_SUPPORTED (1 << 0) | |
390 | # define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED (1 << 1) | |
391 | # define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED (1 << 2) | |
392 | # define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED (1 << 3) | |
393 | #define ATCS_FUNCTION_GET_EXTERNAL_STATE 0x1 | |
394 | /* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE | |
395 | * ARG1: none | |
396 | * OUTPUT: | |
397 | * WORD - structure size in bytes (includes size field) | |
398 | * DWORD - valid flags mask | |
399 | * DWORD - flags (0: undocked, 1: docked) | |
400 | */ | |
401 | /* flags */ | |
402 | # define ATCS_DOCKED (1 << 0) | |
403 | #define ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 0x2 | |
404 | /* ARG0: ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST | |
405 | * ARG1: | |
406 | * WORD - structure size in bytes (includes size field) | |
407 | * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) | |
408 | * WORD - valid flags mask | |
409 | * WORD - flags | |
410 | * BYTE - request type | |
411 | * BYTE - performance request | |
412 | * OUTPUT: | |
413 | * WORD - structure size in bytes (includes size field) | |
414 | * BYTE - return value | |
415 | */ | |
416 | /* flags */ | |
417 | # define ATCS_ADVERTISE_CAPS (1 << 0) | |
418 | # define ATCS_WAIT_FOR_COMPLETION (1 << 1) | |
419 | /* request type */ | |
420 | # define ATCS_PCIE_LINK_SPEED 1 | |
421 | /* performance request */ | |
422 | # define ATCS_REMOVE 0 | |
423 | # define ATCS_FORCE_LOW_POWER 1 | |
424 | # define ATCS_PERF_LEVEL_1 2 /* PCIE Gen 1 */ | |
425 | # define ATCS_PERF_LEVEL_2 3 /* PCIE Gen 2 */ | |
426 | # define ATCS_PERF_LEVEL_3 4 /* PCIE Gen 3 */ | |
427 | /* return value */ | |
428 | # define ATCS_REQUEST_REFUSED 1 | |
429 | # define ATCS_REQUEST_COMPLETE 2 | |
430 | # define ATCS_REQUEST_IN_PROGRESS 3 | |
431 | #define ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 0x3 | |
432 | /* ARG0: ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION | |
433 | * ARG1: none | |
434 | * OUTPUT: none | |
435 | */ | |
436 | #define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 0x4 | |
437 | /* ARG0: ATCS_FUNCTION_SET_PCIE_BUS_WIDTH | |
438 | * ARG1: | |
439 | * WORD - structure size in bytes (includes size field) | |
440 | * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) | |
441 | * BYTE - number of active lanes | |
442 | * OUTPUT: | |
443 | * WORD - structure size in bytes (includes size field) | |
444 | * BYTE - number of active lanes | |
445 | */ | |
446 | ||
447 | #endif |