xref: /haiku/src/add-ons/accelerants/radeon_hd/accelerant.cpp (revision 79d6f0870e70cb72a2bbd7910e05cb531335e9b7)
1 /*
2  * Copyright 2006-2011, Haiku, Inc. All Rights Reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Axel Dörfler, axeld@pinc-software.de
7  *		Alexander von Gluck, kallisti5@unixzen.com
8  */
9 
10 
11 #include "accelerant.h"
12 
13 #include <AGP.h>
14 #include <Debug.h>
15 #include <errno.h>
16 #include <stdlib.h>
17 #include <stdio.h>
18 #include <string.h>
19 #include <syslog.h>
20 #include <unistd.h>
21 
22 #include "accelerant_protos.h"
23 
24 #include "bios.h"
25 #include "connector.h"
26 #include "display.h"
27 #include "displayport.h"
28 #include "gpu.h"
29 #include "pll.h"
30 #include "utility.h"
31 
32 
33 #undef TRACE
34 
35 #define TRACE_ACCELERANT
36 #ifdef TRACE_ACCELERANT
37 #	define TRACE(x...) _sPrintf("radeon_hd: " x)
38 #else
39 #	define TRACE(x...) ;
40 #endif
41 
42 
43 struct accelerant_info* gInfo;
44 display_info* gDisplay[MAX_DISPLAY];
45 connector_info* gConnector[ATOM_MAX_SUPPORTED_DEVICE];
46 gpio_info* gGPIOInfo[MAX_GPIO_PINS];
47 
48 
49 class AreaCloner {
50 public:
51 								AreaCloner();
52 								~AreaCloner();
53 
54 			area_id				Clone(const char* name, void** _address,
55 									uint32 spec, uint32 protection,
56 									area_id sourceArea);
57 			status_t			InitCheck()
58 									{return fArea < 0 ? (status_t)fArea : B_OK;}
59 			void				Keep();
60 
61 private:
62 			area_id				fArea;
63 };
64 
65 
66 AreaCloner::AreaCloner()
67 	:
68 	fArea(-1)
69 {
70 }
71 
72 
73 AreaCloner::~AreaCloner()
74 {
75 	if (fArea >= 0)
76 		delete_area(fArea);
77 }
78 
79 
80 area_id
81 AreaCloner::Clone(const char* name, void** _address, uint32 spec,
82 	uint32 protection, area_id sourceArea)
83 {
84 	fArea = clone_area(name, _address, spec, protection, sourceArea);
85 	return fArea;
86 }
87 
88 
89 void
90 AreaCloner::Keep()
91 {
92 	fArea = -1;
93 }
94 
95 
96 //	#pragma mark -
97 
98 
99 /*! This is the common accelerant_info initializer. It is called by
100 	both, the first accelerant and all clones.
101 */
102 static status_t
103 init_common(int device, bool isClone)
104 {
105 	// initialize global accelerant info structure
106 
107 	gInfo = (accelerant_info*)malloc(sizeof(accelerant_info));
108 
109 	if (gInfo == NULL)
110 		return B_NO_MEMORY;
111 
112 	memset(gInfo, 0, sizeof(accelerant_info));
113 
114 	// malloc memory for active display information
115 	for (uint32 id = 0; id < MAX_DISPLAY; id++) {
116 		gDisplay[id] = (display_info*)malloc(sizeof(display_info));
117 		if (gDisplay[id] == NULL)
118 			return B_NO_MEMORY;
119 		memset(gDisplay[id], 0, sizeof(display_info));
120 
121 		gDisplay[id]->regs = (register_info*)malloc(sizeof(register_info));
122 		if (gDisplay[id]->regs == NULL)
123 			return B_NO_MEMORY;
124 		memset(gDisplay[id]->regs, 0, sizeof(register_info));
125 	}
126 
127 	// malloc for possible physical card connectors
128 	for (uint32 id = 0; id < ATOM_MAX_SUPPORTED_DEVICE; id++) {
129 		gConnector[id] = (connector_info*)malloc(sizeof(connector_info));
130 
131 		if (gConnector[id] == NULL)
132 			return B_NO_MEMORY;
133 		memset(gConnector[id], 0, sizeof(connector_info));
134 
135 		gConnector[id]->encoder.pll.id = ATOM_PPLL_INVALID;
136 	}
137 
138 	// malloc for card gpio pin information
139 	for (uint32 id = 0; id < MAX_GPIO_PINS; id++) {
140 		gGPIOInfo[id] = (gpio_info*)malloc(sizeof(gpio_info));
141 
142 		if (gGPIOInfo[id] == NULL)
143 			return B_NO_MEMORY;
144 		memset(gGPIOInfo[id], 0, sizeof(gpio_info));
145 	}
146 
147 	gInfo->is_clone = isClone;
148 	gInfo->device = device;
149 
150 	gInfo->dpms_mode = B_DPMS_ON;
151 		// initial state
152 
153 	// get basic info from driver
154 
155 	radeon_get_private_data data;
156 	data.magic = RADEON_PRIVATE_DATA_MAGIC;
157 
158 	if (ioctl(device, RADEON_GET_PRIVATE_DATA, &data,
159 			sizeof(radeon_get_private_data)) != 0) {
160 		free(gInfo);
161 		return B_ERROR;
162 	}
163 
164 	AreaCloner sharedCloner;
165 	gInfo->shared_info_area = sharedCloner.Clone("radeon hd shared info",
166 		(void**)&gInfo->shared_info, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA,
167 		data.shared_info_area);
168 	status_t status = sharedCloner.InitCheck();
169 	if (status < B_OK) {
170 		free(gInfo);
171 		TRACE("%s, failed to create shared area\n", __func__);
172 		return status;
173 	}
174 
175 	AreaCloner regsCloner;
176 	gInfo->regs_area = regsCloner.Clone("radeon hd regs",
177 		(void**)&gInfo->regs, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA,
178 		gInfo->shared_info->registers_area);
179 	status = regsCloner.InitCheck();
180 	if (status < B_OK) {
181 		free(gInfo);
182 		TRACE("%s, failed to create mmio area\n", __func__);
183 		return status;
184 	}
185 
186 	gInfo->rom_area = clone_area("radeon hd AtomBIOS",
187 		(void**)&gInfo->rom, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA,
188 		gInfo->shared_info->rom_area);
189 
190 	if (gInfo->rom_area < 0) {
191 		TRACE("%s: Clone of AtomBIOS failed!\n", __func__);
192 		gInfo->shared_info->has_rom = false;
193 	}
194 
195 	if (gInfo->rom[0] != 0x55 || gInfo->rom[1] != 0xAA)
196 		TRACE("%s: didn't find a VGA bios in cloned region!\n", __func__);
197 
198 	sharedCloner.Keep();
199 	regsCloner.Keep();
200 
201 	return B_OK;
202 }
203 
204 
205 /*! Clean up data common to both primary and cloned accelerant */
206 static void
207 uninit_common(void)
208 {
209 	if (gInfo != NULL) {
210 		delete_area(gInfo->regs_area);
211 		delete_area(gInfo->shared_info_area);
212 		delete_area(gInfo->rom_area);
213 
214 		gInfo->regs_area = gInfo->shared_info_area = -1;
215 
216 		// close the file handle ONLY if we're the clone
217 		if (gInfo->is_clone)
218 			close(gInfo->device);
219 
220 		free(gInfo);
221 	}
222 
223 	for (uint32 id = 0; id < MAX_DISPLAY; id++) {
224 		if (gDisplay[id] != NULL) {
225 			free(gDisplay[id]->regs);
226 			free(gDisplay[id]);
227 		}
228 	}
229 
230 	for (uint32 id = 0; id < ATOM_MAX_SUPPORTED_DEVICE; id++)
231 		free(gConnector[id]);
232 
233 	for (uint32 id = 0; id < MAX_GPIO_PINS; id++)
234 		free(gGPIOInfo[id]);
235 }
236 
237 
238 //	#pragma mark - public accelerant functions
239 
240 
241 /*! Init primary accelerant */
242 status_t
243 radeon_init_accelerant(int device)
244 {
245 	TRACE("%s enter\n", __func__);
246 
247 	status_t status = init_common(device, false);
248 	if (status != B_OK)
249 		return status;
250 
251 	radeon_shared_info &info = *gInfo->shared_info;
252 
253 	init_lock(&info.accelerant_lock, "radeon hd accelerant");
254 	init_lock(&info.engine_lock, "radeon hd engine");
255 
256 	radeon_init_bios(gInfo->rom);
257 
258 	// probe firmware information
259 	radeon_gpu_probe();
260 
261 	// apply GPU quirks
262 	radeon_gpu_quirks();
263 
264 	// find GPIO pins from AtomBIOS
265 	gpio_populate();
266 
267 	// find physical card connectors from AtomBIOS
268 	status = connector_probe();
269 
270 	if (status != B_OK) {
271 		TRACE("%s: falling back to legacy connector probe.\n", __func__);
272 		status = connector_probe_legacy();
273 	}
274 
275 	if (status != B_OK) {
276 		TRACE("%s: couldn't detect supported connectors!\n", __func__);
277 		return status;
278 	}
279 
280 	// print found connectors
281 	debug_connectors();
282 
283 	// setup encoders on each connector if needed
284 	encoder_init();
285 
286 	// program external pll clock
287 	pll_external_init();
288 
289 	// setup link on any DisplayPort connectors
290 	dp_setup_connectors();
291 
292 	// detect attached displays
293 	status = detect_displays();
294 	//if (status != B_OK)
295 	//	return status;
296 
297 	// print found displays
298 	debug_displays();
299 
300 	// create initial list of video modes
301 	status = create_mode_list();
302 	//if (status != B_OK) {
303 	//	radeon_uninit_accelerant();
304 	//	return status;
305 	//}
306 
307 	radeon_gpu_mc_setup();
308 
309 	// Set up data crunching + irq rings
310 	radeon_gpu_ring_setup();
311 
312 	radeon_gpu_ring_boot(RADEON_QUEUE_TYPE_GFX_INDEX);
313 
314 	TRACE("%s done\n", __func__);
315 	return B_OK;
316 }
317 
318 
319 /*! This function is called for both, the primary accelerant and all of
320 	its clones.
321 */
322 void
323 radeon_uninit_accelerant(void)
324 {
325 	TRACE("%s enter\n", __func__);
326 
327 	gInfo->mode_list = NULL;
328 
329 	radeon_shared_info &info = *gInfo->shared_info;
330 
331 	uninit_lock(&info.accelerant_lock);
332 	uninit_lock(&info.engine_lock);
333 
334 	uninit_common();
335 	TRACE("%s done\n", __func__);
336 }
337 
338 
339 status_t
340 radeon_get_accelerant_device_info(accelerant_device_info* di)
341 {
342 	radeon_shared_info &info = *gInfo->shared_info;
343 
344 	di->version = B_ACCELERANT_VERSION;
345 	strcpy(di->name, info.deviceName);
346 
347 	char chipset[32];
348 	sprintf(chipset, "%s", gInfo->shared_info->chipsetName);
349 	strcpy(di->chipset, chipset);
350 
351 	// add flags onto chipset name
352 	if ((info.chipsetFlags & CHIP_IGP) != 0)
353 		strcat(di->chipset, " IGP");
354 	if ((info.chipsetFlags & CHIP_MOBILE) != 0)
355 		strcat(di->chipset, " Mobile");
356 	if ((info.chipsetFlags & CHIP_APU) != 0)
357 		strcat(di->chipset, " APU");
358 
359 	strcpy(di->serial_no, "None" );
360 
361 	di->memory = gInfo->shared_info->graphics_memory_size;
362 	return B_OK;
363 }
364