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 | |
27 | struct radeon_device; |
28 | struct acpi_bus_event; |
29 | |
30 | /* AMD hw uses four ACPI control methods: |
31 | * 1. ATIF |
32 | * ARG0: (ACPI_INTEGER) function code |
33 | * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes |
34 | * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes |
35 | * ATIF provides an entry point for the gfx driver to interact with the sbios. |
36 | * The AMD ACPI notification mechanism uses Notify (VGA, 0x81) or a custom |
37 | * notification. Which notification is used as indicated by the ATIF Control |
38 | * Method GET_SYSTEM_PARAMETERS. When the driver receives Notify (VGA, 0x81) or |
39 | * a custom notification it invokes ATIF Control Method GET_SYSTEM_BIOS_REQUESTS |
40 | * to identify pending System BIOS requests and associated parameters. For |
41 | * example, if one of the pending requests is DISPLAY_SWITCH_REQUEST, the driver |
42 | * will perform display device detection and invoke ATIF Control Method |
43 | * SELECT_ACTIVE_DISPLAYS. |
44 | * |
45 | * 2. ATPX |
46 | * ARG0: (ACPI_INTEGER) function code |
47 | * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes |
48 | * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes |
49 | * ATPX methods are used on PowerXpress systems to handle mux switching and |
50 | * discrete GPU power control. |
51 | * |
52 | * 3. ATRM |
53 | * ARG0: (ACPI_INTEGER) offset of vbios rom data |
54 | * ARG1: (ACPI_BUFFER) size of the buffer to fill (up to 4K). |
55 | * OUTPUT: (ACPI_BUFFER) output buffer |
56 | * ATRM provides an interfacess to access the discrete GPU vbios image on |
57 | * PowerXpress systems with multiple GPUs. |
58 | * |
59 | * 4. ATCS |
60 | * ARG0: (ACPI_INTEGER) function code |
61 | * ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes |
62 | * OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes |
63 | * ATCS provides an interface to AMD chipset specific functionality. |
64 | * |
65 | */ |
66 | /* ATIF */ |
67 | #define ATIF_FUNCTION_VERIFY_INTERFACE 0x0 |
68 | /* ARG0: ATIF_FUNCTION_VERIFY_INTERFACE |
69 | * ARG1: none |
70 | * OUTPUT: |
71 | * WORD - structure size in bytes (includes size field) |
72 | * WORD - version |
73 | * DWORD - supported notifications mask |
74 | * DWORD - supported functions bit vector |
75 | */ |
76 | /* Notifications mask */ |
77 | # define ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED (1 << 0) |
78 | # define ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED (1 << 1) |
79 | # define ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED (1 << 2) |
80 | # define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED (1 << 3) |
81 | # define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED (1 << 4) |
82 | # define ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED (1 << 5) |
83 | # define ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED (1 << 6) |
84 | # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7) |
85 | # define ATIF_DGPU_DISPLAY_EVENT_SUPPORTED (1 << 8) |
86 | /* supported functions vector */ |
87 | # define ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED (1 << 0) |
88 | # define ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED (1 << 1) |
89 | # define ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED (1 << 2) |
90 | # define ATIF_GET_LID_STATE_SUPPORTED (1 << 3) |
91 | # define ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED (1 << 4) |
92 | # define ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED (1 << 5) |
93 | # define ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED (1 << 6) |
94 | # define ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED (1 << 7) |
95 | # define ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED (1 << 12) |
96 | # define ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED (1 << 14) |
97 | # define ATIF_GET_EXTERNAL_GPU_INFORMATION_SUPPORTED (1 << 20) |
98 | #define ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 0x1 |
99 | /* ARG0: ATIF_FUNCTION_GET_SYSTEM_PARAMETERS |
100 | * ARG1: none |
101 | * OUTPUT: |
102 | * WORD - structure size in bytes (includes size field) |
103 | * DWORD - valid flags mask |
104 | * DWORD - flags |
105 | * |
106 | * OR |
107 | * |
108 | * WORD - structure size in bytes (includes size field) |
109 | * DWORD - valid flags mask |
110 | * DWORD - flags |
111 | * BYTE - notify command code |
112 | * |
113 | * flags |
114 | * bits 1:0: |
115 | * 0 - Notify(VGA, 0x81) is not used for notification |
116 | * 1 - Notify(VGA, 0x81) is used for notification |
117 | * 2 - Notify(VGA, n) is used for notification where |
118 | * n (0xd0-0xd9) is specified in notify command code. |
119 | * bit 2: |
120 | * 1 - lid changes not reported though int10 |
121 | */ |
122 | #define ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 0x2 |
123 | /* ARG0: ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS |
124 | * ARG1: none |
125 | * OUTPUT: |
126 | * WORD - structure size in bytes (includes size field) |
127 | * DWORD - pending sbios requests |
128 | * BYTE - panel expansion mode |
129 | * BYTE - thermal state: target gfx controller |
130 | * BYTE - thermal state: state id (0: exit state, non-0: state) |
131 | * BYTE - forced power state: target gfx controller |
132 | * BYTE - forced power state: state id |
133 | * BYTE - system power source |
134 | * BYTE - panel backlight level (0-255) |
135 | */ |
136 | /* pending sbios requests */ |
137 | # define ATIF_DISPLAY_SWITCH_REQUEST (1 << 0) |
138 | # define ATIF_EXPANSION_MODE_CHANGE_REQUEST (1 << 1) |
139 | # define ATIF_THERMAL_STATE_CHANGE_REQUEST (1 << 2) |
140 | # define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST (1 << 3) |
141 | # define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST (1 << 4) |
142 | # define ATIF_DISPLAY_CONF_CHANGE_REQUEST (1 << 5) |
143 | # define ATIF_PX_GFX_SWITCH_REQUEST (1 << 6) |
144 | # define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST (1 << 7) |
145 | # define ATIF_DGPU_DISPLAY_EVENT (1 << 8) |
146 | /* panel expansion mode */ |
147 | # define ATIF_PANEL_EXPANSION_DISABLE 0 |
148 | # define ATIF_PANEL_EXPANSION_FULL 1 |
149 | # define ATIF_PANEL_EXPANSION_ASPECT 2 |
150 | /* target gfx controller */ |
151 | # define ATIF_TARGET_GFX_SINGLE 0 |
152 | # define ATIF_TARGET_GFX_PX_IGPU 1 |
153 | # define ATIF_TARGET_GFX_PX_DGPU 2 |
154 | /* system power source */ |
155 | # define ATIF_POWER_SOURCE_AC 1 |
156 | # define ATIF_POWER_SOURCE_DC 2 |
157 | # define ATIF_POWER_SOURCE_RESTRICTED_AC_1 3 |
158 | # define ATIF_POWER_SOURCE_RESTRICTED_AC_2 4 |
159 | #define ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 0x3 |
160 | /* ARG0: ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS |
161 | * ARG1: |
162 | * WORD - structure size in bytes (includes size field) |
163 | * WORD - selected displays |
164 | * WORD - connected displays |
165 | * OUTPUT: |
166 | * WORD - structure size in bytes (includes size field) |
167 | * WORD - selected displays |
168 | */ |
169 | # define ATIF_LCD1 (1 << 0) |
170 | # define ATIF_CRT1 (1 << 1) |
171 | # define ATIF_TV (1 << 2) |
172 | # define ATIF_DFP1 (1 << 3) |
173 | # define ATIF_CRT2 (1 << 4) |
174 | # define ATIF_LCD2 (1 << 5) |
175 | # define ATIF_DFP2 (1 << 7) |
176 | # define ATIF_CV (1 << 8) |
177 | # define ATIF_DFP3 (1 << 9) |
178 | # define ATIF_DFP4 (1 << 10) |
179 | # define ATIF_DFP5 (1 << 11) |
180 | # define ATIF_DFP6 (1 << 12) |
181 | #define ATIF_FUNCTION_GET_LID_STATE 0x4 |
182 | /* ARG0: ATIF_FUNCTION_GET_LID_STATE |
183 | * ARG1: none |
184 | * OUTPUT: |
185 | * WORD - structure size in bytes (includes size field) |
186 | * BYTE - lid state (0: open, 1: closed) |
187 | * |
188 | * GET_LID_STATE only works at boot and resume, for general lid |
189 | * status, use the kernel provided status |
190 | */ |
191 | #define ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 0x5 |
192 | /* ARG0: ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS |
193 | * ARG1: none |
194 | * OUTPUT: |
195 | * WORD - structure size in bytes (includes size field) |
196 | * BYTE - 0 |
197 | * BYTE - TV standard |
198 | */ |
199 | # define ATIF_TV_STD_NTSC 0 |
200 | # define ATIF_TV_STD_PAL 1 |
201 | # define ATIF_TV_STD_PALM 2 |
202 | # define ATIF_TV_STD_PAL60 3 |
203 | # define ATIF_TV_STD_NTSCJ 4 |
204 | # define ATIF_TV_STD_PALCN 5 |
205 | # define ATIF_TV_STD_PALN 6 |
206 | # define ATIF_TV_STD_SCART_RGB 9 |
207 | #define ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 0x6 |
208 | /* ARG0: ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS |
209 | * ARG1: |
210 | * WORD - structure size in bytes (includes size field) |
211 | * BYTE - 0 |
212 | * BYTE - TV standard |
213 | * OUTPUT: none |
214 | */ |
215 | #define ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 0x7 |
216 | /* ARG0: ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS |
217 | * ARG1: none |
218 | * OUTPUT: |
219 | * WORD - structure size in bytes (includes size field) |
220 | * BYTE - panel expansion mode |
221 | */ |
222 | #define ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 0x8 |
223 | /* ARG0: ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS |
224 | * ARG1: |
225 | * WORD - structure size in bytes (includes size field) |
226 | * BYTE - panel expansion mode |
227 | * OUTPUT: none |
228 | */ |
229 | #define ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 0xD |
230 | /* ARG0: ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION |
231 | * ARG1: |
232 | * WORD - structure size in bytes (includes size field) |
233 | * WORD - gfx controller id |
234 | * BYTE - current temperature (degress Celsius) |
235 | * OUTPUT: none |
236 | */ |
237 | #define ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 0xF |
238 | /* ARG0: ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES |
239 | * ARG1: none |
240 | * OUTPUT: |
241 | * WORD - number of gfx devices |
242 | * WORD - device structure size in bytes (excludes device size field) |
243 | * DWORD - flags \ |
244 | * WORD - bus number } repeated structure |
245 | * WORD - device number / |
246 | */ |
247 | /* flags */ |
248 | # define ATIF_PX_REMOVABLE_GRAPHICS_DEVICE (1 << 0) |
249 | # define ATIF_XGP_PORT (1 << 1) |
250 | # define ATIF_VGA_ENABLED_GRAPHICS_DEVICE (1 << 2) |
251 | # define ATIF_XGP_PORT_IN_DOCK (1 << 3) |
252 | #define ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION 0x15 |
253 | /* ARG0: ATIF_FUNCTION_GET_EXTERNAL_GPU_INFORMATION |
254 | * ARG1: none |
255 | * OUTPUT: |
256 | * WORD - number of reported external gfx devices |
257 | * WORD - device structure size in bytes (excludes device size field) |
258 | * WORD - flags \ |
259 | * WORD - bus number / repeated structure |
260 | */ |
261 | /* flags */ |
262 | # define ATIF_EXTERNAL_GRAPHICS_PORT (1 << 0) |
263 | |
264 | /* ATPX */ |
265 | #define ATPX_FUNCTION_VERIFY_INTERFACE 0x0 |
266 | /* ARG0: ATPX_FUNCTION_VERIFY_INTERFACE |
267 | * ARG1: none |
268 | * OUTPUT: |
269 | * WORD - structure size in bytes (includes size field) |
270 | * WORD - version |
271 | * DWORD - supported functions bit vector |
272 | */ |
273 | /* supported functions vector */ |
274 | # define ATPX_GET_PX_PARAMETERS_SUPPORTED (1 << 0) |
275 | # define ATPX_POWER_CONTROL_SUPPORTED (1 << 1) |
276 | # define ATPX_DISPLAY_MUX_CONTROL_SUPPORTED (1 << 2) |
277 | # define ATPX_I2C_MUX_CONTROL_SUPPORTED (1 << 3) |
278 | # define ATPX_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION_SUPPORTED (1 << 4) |
279 | # define ATPX_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION_SUPPORTED (1 << 5) |
280 | # define ATPX_GET_DISPLAY_CONNECTORS_MAPPING_SUPPORTED (1 << 7) |
281 | # define ATPX_GET_DISPLAY_DETECTION_PORTS_SUPPORTED (1 << 8) |
282 | #define ATPX_FUNCTION_GET_PX_PARAMETERS 0x1 |
283 | /* ARG0: ATPX_FUNCTION_GET_PX_PARAMETERS |
284 | * ARG1: none |
285 | * OUTPUT: |
286 | * WORD - structure size in bytes (includes size field) |
287 | * DWORD - valid flags mask |
288 | * DWORD - flags |
289 | */ |
290 | /* flags */ |
291 | # define ATPX_LVDS_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 0) |
292 | # define ATPX_CRT1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 1) |
293 | # define ATPX_DVI1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 2) |
294 | # define ATPX_CRT1_RGB_SIGNAL_MUXED (1 << 3) |
295 | # define ATPX_TV_SIGNAL_MUXED (1 << 4) |
296 | # define ATPX_DFP_SIGNAL_MUXED (1 << 5) |
297 | # define ATPX_SEPARATE_MUX_FOR_I2C (1 << 6) |
298 | # define ATPX_DYNAMIC_PX_SUPPORTED (1 << 7) |
299 | # define ATPX_ACF_NOT_SUPPORTED (1 << 8) |
300 | # define ATPX_FIXED_NOT_SUPPORTED (1 << 9) |
301 | # define ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED (1 << 10) |
302 | # define ATPX_DGPU_REQ_POWER_FOR_DISPLAYS (1 << 11) |
303 | # define ATPX_DGPU_CAN_DRIVE_DISPLAYS (1 << 12) |
304 | # define ATPX_MS_HYBRID_GFX_SUPPORTED (1 << 14) |
305 | #define ATPX_FUNCTION_POWER_CONTROL 0x2 |
306 | /* ARG0: ATPX_FUNCTION_POWER_CONTROL |
307 | * ARG1: |
308 | * WORD - structure size in bytes (includes size field) |
309 | * BYTE - dGPU power state (0: power off, 1: power on) |
310 | * OUTPUT: none |
311 | */ |
312 | #define ATPX_FUNCTION_DISPLAY_MUX_CONTROL 0x3 |
313 | /* ARG0: ATPX_FUNCTION_DISPLAY_MUX_CONTROL |
314 | * ARG1: |
315 | * WORD - structure size in bytes (includes size field) |
316 | * WORD - display mux control (0: iGPU, 1: dGPU) |
317 | * OUTPUT: none |
318 | */ |
319 | # define ATPX_INTEGRATED_GPU 0 |
320 | # define ATPX_DISCRETE_GPU 1 |
321 | #define ATPX_FUNCTION_I2C_MUX_CONTROL 0x4 |
322 | /* ARG0: ATPX_FUNCTION_I2C_MUX_CONTROL |
323 | * ARG1: |
324 | * WORD - structure size in bytes (includes size field) |
325 | * WORD - i2c/aux/hpd mux control (0: iGPU, 1: dGPU) |
326 | * OUTPUT: none |
327 | */ |
328 | #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 0x5 |
329 | /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION |
330 | * ARG1: |
331 | * WORD - structure size in bytes (includes size field) |
332 | * WORD - target gpu (0: iGPU, 1: dGPU) |
333 | * OUTPUT: none |
334 | */ |
335 | #define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 0x6 |
336 | /* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION |
337 | * ARG1: |
338 | * WORD - structure size in bytes (includes size field) |
339 | * WORD - target gpu (0: iGPU, 1: dGPU) |
340 | * OUTPUT: none |
341 | */ |
342 | #define ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 0x8 |
343 | /* ARG0: ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING |
344 | * ARG1: none |
345 | * OUTPUT: |
346 | * WORD - number of display connectors |
347 | * WORD - connector structure size in bytes (excludes connector size field) |
348 | * BYTE - flags \ |
349 | * BYTE - ATIF display vector bit position } repeated |
350 | * BYTE - adapter id (0: iGPU, 1-n: dGPU ordered by pcie bus number) } structure |
351 | * WORD - connector ACPI id / |
352 | */ |
353 | /* flags */ |
354 | # define ATPX_DISPLAY_OUTPUT_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 0) |
355 | # define ATPX_DISPLAY_HPD_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 1) |
356 | # define ATPX_DISPLAY_I2C_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 2) |
357 | #define ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 0x9 |
358 | /* ARG0: ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS |
359 | * ARG1: none |
360 | * OUTPUT: |
361 | * WORD - number of HPD/DDC ports |
362 | * WORD - port structure size in bytes (excludes port size field) |
363 | * BYTE - ATIF display vector bit position \ |
364 | * BYTE - hpd id } reapeated structure |
365 | * BYTE - ddc id / |
366 | * |
367 | * available on A+A systems only |
368 | */ |
369 | /* hpd id */ |
370 | # define ATPX_HPD_NONE 0 |
371 | # define ATPX_HPD1 1 |
372 | # define ATPX_HPD2 2 |
373 | # define ATPX_HPD3 3 |
374 | # define ATPX_HPD4 4 |
375 | # define ATPX_HPD5 5 |
376 | # define ATPX_HPD6 6 |
377 | /* ddc id */ |
378 | # define ATPX_DDC_NONE 0 |
379 | # define ATPX_DDC1 1 |
380 | # define ATPX_DDC2 2 |
381 | # define ATPX_DDC3 3 |
382 | # define ATPX_DDC4 4 |
383 | # define ATPX_DDC5 5 |
384 | # define ATPX_DDC6 6 |
385 | # define ATPX_DDC7 7 |
386 | # define ATPX_DDC8 8 |
387 | |
388 | /* ATCS */ |
389 | #define ATCS_FUNCTION_VERIFY_INTERFACE 0x0 |
390 | /* ARG0: ATCS_FUNCTION_VERIFY_INTERFACE |
391 | * ARG1: none |
392 | * OUTPUT: |
393 | * WORD - structure size in bytes (includes size field) |
394 | * WORD - version |
395 | * DWORD - supported functions bit vector |
396 | */ |
397 | /* supported functions vector */ |
398 | # define ATCS_GET_EXTERNAL_STATE_SUPPORTED (1 << 0) |
399 | # define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED (1 << 1) |
400 | # define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED (1 << 2) |
401 | # define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED (1 << 3) |
402 | #define ATCS_FUNCTION_GET_EXTERNAL_STATE 0x1 |
403 | /* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE |
404 | * ARG1: none |
405 | * OUTPUT: |
406 | * WORD - structure size in bytes (includes size field) |
407 | * DWORD - valid flags mask |
408 | * DWORD - flags (0: undocked, 1: docked) |
409 | */ |
410 | /* flags */ |
411 | # define ATCS_DOCKED (1 << 0) |
412 | #define ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 0x2 |
413 | /* ARG0: ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST |
414 | * ARG1: |
415 | * WORD - structure size in bytes (includes size field) |
416 | * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) |
417 | * WORD - valid flags mask |
418 | * WORD - flags |
419 | * BYTE - request type |
420 | * BYTE - performance request |
421 | * OUTPUT: |
422 | * WORD - structure size in bytes (includes size field) |
423 | * BYTE - return value |
424 | */ |
425 | /* flags */ |
426 | # define ATCS_ADVERTISE_CAPS (1 << 0) |
427 | # define ATCS_WAIT_FOR_COMPLETION (1 << 1) |
428 | /* request type */ |
429 | # define ATCS_PCIE_LINK_SPEED 1 |
430 | /* performance request */ |
431 | # define ATCS_REMOVE 0 |
432 | # define ATCS_FORCE_LOW_POWER 1 |
433 | # define ATCS_PERF_LEVEL_1 2 /* PCIE Gen 1 */ |
434 | # define ATCS_PERF_LEVEL_2 3 /* PCIE Gen 2 */ |
435 | # define ATCS_PERF_LEVEL_3 4 /* PCIE Gen 3 */ |
436 | /* return value */ |
437 | # define ATCS_REQUEST_REFUSED 1 |
438 | # define ATCS_REQUEST_COMPLETE 2 |
439 | # define ATCS_REQUEST_IN_PROGRESS 3 |
440 | #define ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 0x3 |
441 | /* ARG0: ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION |
442 | * ARG1: none |
443 | * OUTPUT: none |
444 | */ |
445 | #define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 0x4 |
446 | /* ARG0: ATCS_FUNCTION_SET_PCIE_BUS_WIDTH |
447 | * ARG1: |
448 | * WORD - structure size in bytes (includes size field) |
449 | * WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num) |
450 | * BYTE - number of active lanes |
451 | * OUTPUT: |
452 | * WORD - structure size in bytes (includes size field) |
453 | * BYTE - number of active lanes |
454 | */ |
455 | |
456 | #if defined(CONFIG_VGA_SWITCHEROO) |
457 | void radeon_register_atpx_handler(void); |
458 | void radeon_unregister_atpx_handler(void); |
459 | bool radeon_has_atpx_dgpu_power_cntl(void); |
460 | bool radeon_is_atpx_hybrid(void); |
461 | bool radeon_has_atpx(void); |
462 | bool radeon_atpx_dgpu_req_power_for_displays(void); |
463 | #endif |
464 | |
465 | #endif |
466 | |