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1/*␊
2␉Original patch by Nawcom␊
3␉http://forum.voodooprojects.org/index.php/topic,1029.0.html␊
4*/␊
5␊
6#include "libsa.h"␊
7#include "saio_internal.h"␊
8#include "bootstruct.h"␊
9#include "pci.h"␊
10#include "platform.h"␊
11#include "device_inject.h"␊
12#include "gma.h"␊
13␊
14#ifndef DEBUG_GMA␊
15#define DEBUG_GMA 0␊
16#endif␊
17␊
18#if DEBUG_GMA␊
19#define DBG(x...)␉printf(x)␊
20#else␊
21#define DBG(x...)␊
22#endif␊
23␊
24␊
25uint8_t GMAX3100_vals[22][4] = {␊
26␉{ 0x01,0x00,0x00,0x00 },␊
27␉{ 0x01,0x00,0x00,0x00 },␊
28␉{ 0x01,0x00,0x00,0x00 },␊
29␉{ 0x00,0x00,0x00,0x08 },␊
30␉{ 0x64,0x00,0x00,0x00 },␊
31␉{ 0x00,0x00,0x00,0x08 },␊
32␉{ 0x01,0x00,0x00,0x00 },␊
33␉{ 0x20,0x00,0x00,0x00 },␊
34␉{ 0x00,0x00,0x00,0x00 },␊
35␉{ 0x01,0x00,0x00,0x00 },␊
36␉{ 0x20,0x03,0x00,0x00 },␊
37␉{ 0x00,0x00,0x00,0x00 },␊
38␉{ 0x00,0x00,0x00,0x00 },␊
39␉{ 0x00,0x00,0x00,0x00 },␊
40␉{ 0x08,0x52,0x00,0x00 },␊
41␉{ 0x00,0x00,0x00,0x00 },␊
42␉{ 0x00,0x00,0x00,0x00 },␊
43␉{ 0x01,0x00,0x00,0x00 },␊
44␉{ 0x01,0x00,0x00,0x00 },␊
45␉{ 0x3B,0x00,0x00,0x00 },␊
46␉{ 0x00,0x00,0x00,0x00 }␊
47};␊
48␊
49uint8_t HD2000_vals[16][4] = {␊
50␉{ 0x00,0x00,0x00,0x00 },␊
51␉{ 0x00,0x00,0x00,0x00 },␊
52␉{ 0x14,0x00,0x00,0x00 },␊
53␉{ 0xfa,0x00,0x00,0x00 },␊
54␉{ 0x2c,0x01,0x00,0x00 },␊
55␉{ 0x00,0x00,0x00,0x00 },␊
56␉{ 0x14,0x00,0x00,0x00 },␊
57␉{ 0xf4,0x01,0x00,0x00 },␊
58␉{ 0x00,0x00,0x00,0x00 },␊
59␉{ 0x00,0x00,0x00,0x00 },␊
60␉{ 0x00,0x00,0x00,0x00 },␊
61␉{ 0x00,0x00,0x00,0x00 },␊
62␉{ 0x00,0x00,0x00,0x00 },␊
63␉{ 0x00,0x00,0x00,0x00 },␊
64␉{ 0x00,0x00,0x00,0x00 },␊
65␉{ 0x01,0x00,0x00,0x00 },␊
66};␊
67␊
68uint8_t HD3000_vals[16][4] = {␊
69␉{ 0x00,0x00,0x00,0x00 },␊
70␉{ 0x00,0x00,0x00,0x00 },␊
71␉{ 0x14,0x00,0x00,0x00 },␊
72␉{ 0xfa,0x00,0x00,0x00 },␊
73␉{ 0x2c,0x01,0x00,0x00 },␊
74␉{ 0x00,0x00,0x00,0x00 },␊
75␉{ 0x14,0x00,0x00,0x00 },␊
76␉{ 0xf4,0x01,0x00,0x00 },␊
77␉{ 0x00,0x00,0x00,0x00 },␊
78␉{ 0x00,0x00,0x00,0x00 },␊
79␉{ 0x00,0x00,0x00,0x00 },␊
80␉{ 0x00,0x00,0x00,0x00 },␊
81␉{ 0x00,0x00,0x00,0x00 },␊
82␉{ 0x00,0x00,0x00,0x00 },␊
83␉{ 0x00,0x00,0x00,0x00 },␊
84␉{ 0x01,0x00,0x00,0x00 },␊
85};␊
86␊
87uint8_t HD2000_tbl_info[18] = {␊
88␉0x30,0x44,0x02,0x02,0x02,0x02,0x00,0x00,0x00,␊
89␉0x00,0x01,0x02,0x02,0x02,0x00,0x01,0x02,0x02␊
90};␊
91uint8_t HD2000_os_info[20] = {␊
92␉0x30,0x49,0x01,0x11,0x11,0x11,0x08,0x00,0x00,0x01,␊
93␉0xf0,0x1f,0x01,0x00,0x00,0x00,0x10,0x07,0x00,0x00␊
94};␊
95␊
96// The following values came from a Sandy Bridge MacBook Air␊
97uint8_t HD3000_tbl_info[18] = {␊
98␉0x30,0x44,0x02,0x02,0x02,0x02,0x00,0x00,0x00,␊
99␉0x00,0x02,0x02,0x02,0x02,0x01,0x01,0x01,0x01␊
100};␊
101␊
102// The following values came from a Sandy Bridge MacBook Air␊
103uint8_t HD3000_os_info[20] = {␊
104␉0x30,0x49,0x01,0x12,0x12,0x12,0x08,0x00,0x00,0x01,␊
105␉0xf0,0x1f,0x01,0x00,0x00,0x00,0x10,0x07,0x00,0x00␊
106};␊
107␊
108␊
109uint8_t reg_TRUE[]␉= { 0x01, 0x00, 0x00, 0x00 };␊
110uint8_t reg_FALSE[] = { 0x00, 0x00, 0x00, 0x00 };␊
111␊
112static struct gma_gpu_t KnownGPUS[] = {␊
113␉{ 0x00000000, "Unknown"␉␉␉},␊
114␉{ 0x808627A2, "Mobile GMA950"␉},␊
115␉{ 0x808627AE, "Mobile GMA950"␉},␊
116␉{ 0x808627A6, "Mobile GMA950"␉},␊
117␉{ 0x8086A011, "Mobile GMA3150"␉},␊
118␉{ 0x8086A012, "Mobile GMA3150"␉},␊
119␉{ 0x80862772, "Desktop GMA950"␉},␊
120␉{ 0x80862776, "Desktop GMA950"␉},␊
121//␉{ 0x8086A001, "Desktop GMA3150" },␊
122␉{ 0x8086A001, "Mobile GMA3150"␉},␊
123␉{ 0x8086A002, "Desktop GMA3150" },␊
124␉{ 0x80862A02, "GMAX3100"␉␉},␊
125␉{ 0x80862A03, "GMAX3100"␉␉},␊
126␉{ 0x80862A12, "GMAX3100"␉␉},␊
127␉{ 0x80862A13, "GMAX3100"␉␉},␊
128␉{ 0x80862A42, "GMAX3100"␉␉},␊
129␉{ 0x80862A43, "GMAX3100"␉␉},␊
130␉{ 0x80860102, "Intel HD Graphics 2000"␉␉␉},␊
131␉{ 0x80860106, "Intel HD Graphics 2000 Mobile"␉},␊
132␉{ 0x80860112, "Intel HD Graphics 3000"␉␉␉},␊
133␉{ 0x80860116, "Intel HD Graphics 3000 Mobile"␉},␊
134␉{ 0x80860122, "Intel HD Graphics 3000"␉␉␉},␊
135␉{ 0x80860126, "Intel HD Graphics 3000 Mobile"␉},␊
136};␊
137␊
138char *get_gma_model(uint32_t id) {␊
139␉int i = 0;␊
140␉␊
141␉for (i = 0; i < (sizeof(KnownGPUS) / sizeof(KnownGPUS[0])); i++)␊
142␉{␊
143␉␉if (KnownGPUS[i].device == id)␊
144␉␉␉return KnownGPUS[i].name;␊
145␉}␊
146␉return KnownGPUS[0].name;␊
147}␊
148␊
149bool setup_gma_devprop(pci_dt_t *gma_dev)␊
150{␊
151␉char␉␉␉␉␉*devicepath;␊
152␉volatile uint8_t␉␉*regs;␊
153␉uint32_t␉␉␉␉bar[7];␊
154␉char␉␉␉␉␉*model;␊
155␉uint8_t BuiltIn =␉␉0x00;␊
156␉uint8_t ClassFix[4] =␉{ 0x00, 0x00, 0x03, 0x00 };␊
157␉unsigned int␉␉␉device_id;␉␊
158␉␊
159␉devicepath = get_pci_dev_path(gma_dev);␊
160␉␊
161␉bar[0] = pci_config_read32(gma_dev->dev.addr, 0x10);␊
162␉regs = (uint8_t *) (bar[0] & ~0x0f);␊
163␉␊
164␉model = get_gma_model((gma_dev->vendor_id << 16) | gma_dev->device_id);␊
165␉device_id = gma_dev->device_id;␊
166␉␊
167␉verbose("Intel %s [%04x:%04x] :: %s\n",␊
168␉␉␉model, gma_dev->vendor_id, gma_dev->device_id, devicepath);␊
169␉␊
170␉if (!string)␊
171␉␉string = devprop_create_string();␊
172␉␊
173␉struct DevPropDevice *device = malloc(sizeof(struct DevPropDevice));␊
174␉device = devprop_add_device(string, devicepath);␊
175␉␊
176␉if (!device)␊
177␉{␊
178␉␉printf("Failed initializing dev-prop string dev-entry.\n");␊
179␉␉pause();␊
180␉␉return false;␊
181␉}␊
182␉␊
183␉devprop_add_value(device, "model", (uint8_t*)model, (strlen(model) + 1));␊
184␉devprop_add_value(device, "device_type", (uint8_t*)"display", 8);␉␊
185␉␊
186␉if ((model == (char *)"Mobile GMA950")␊
187␉␉|| (model == (char *)"Mobile GMA3150"))␊
188␉{␊
189␉␉devprop_add_value(device, "AAPL,HasPanel", reg_TRUE, 4);␊
190␉␉devprop_add_value(device, "built-in", &BuiltIn, 1);␊
191␉␉devprop_add_value(device, "class-code", ClassFix, 4);␊
192␉}␊
193␉else if ((model == (char *)"Desktop GMA950")␊
194␉␉␉|| (model == (char *)"Desktop GMA3150"))␊
195␉{␊
196␉␉BuiltIn = 0x01;␊
197␉␉devprop_add_value(device, "built-in", &BuiltIn, 1);␊
198␉␉devprop_add_value(device, "class-code", ClassFix, 4);␊
199␉}␊
200␉else if (model == (char *)"GMAX3100")␊
201␉{␊
202␉␉devprop_add_value(device, "AAPL,HasPanel",␉␉␉␉␉GMAX3100_vals[0], 4);␊
203␉␉devprop_add_value(device, "AAPL,SelfRefreshSupported",␉␉GMAX3100_vals[1], 4);␊
204␉␉devprop_add_value(device, "AAPL,aux-power-connected",␉␉GMAX3100_vals[2], 4);␊
205␉␉devprop_add_value(device, "AAPL,backlight-control",␉␉␉GMAX3100_vals[3], 4);␊
206␉␉devprop_add_value(device, "AAPL00,blackscreen-preferences", GMAX3100_vals[4], 4);␊
207␉␉devprop_add_value(device, "AAPL01,BacklightIntensity",␉␉GMAX3100_vals[5], 4);␊
208␉␉devprop_add_value(device, "AAPL01,blackscreen-preferences", GMAX3100_vals[6], 4);␊
209␉␉devprop_add_value(device, "AAPL01,DataJustify",␉␉␉␉GMAX3100_vals[7], 4);␊
210␉␉devprop_add_value(device, "AAPL01,Depth",␉␉␉␉␉GMAX3100_vals[8], 4);␊
211␉␉devprop_add_value(device, "AAPL01,Dither",␉␉␉␉␉GMAX3100_vals[9], 4);␊
212␉␉devprop_add_value(device, "AAPL01,DualLink",␉␉␉␉GMAX3100_vals[10], 4);␊
213␉␉devprop_add_value(device, "AAPL01,Height",␉␉␉␉␉GMAX3100_vals[11], 4);␊
214␉␉devprop_add_value(device, "AAPL01,Interlace",␉␉␉␉GMAX3100_vals[12], 4);␊
215␉␉devprop_add_value(device, "AAPL01,Inverter",␉␉␉␉GMAX3100_vals[13], 4);␊
216␉␉devprop_add_value(device, "AAPL01,InverterCurrent",␉␉␉GMAX3100_vals[14], 4);␊
217␉␉devprop_add_value(device, "AAPL01,InverterCurrency",␉␉GMAX3100_vals[15], 4);␊
218␉␉devprop_add_value(device, "AAPL01,LinkFormat",␉␉␉␉GMAX3100_vals[16], 4);␊
219␉␉devprop_add_value(device, "AAPL01,LinkType",␉␉␉␉GMAX3100_vals[17], 4);␊
220␉␉devprop_add_value(device, "AAPL01,Pipe",␉␉␉␉␉GMAX3100_vals[18], 4);␊
221␉␉devprop_add_value(device, "AAPL01,PixelFormat",␉␉␉␉GMAX3100_vals[19], 4);␊
222␉␉devprop_add_value(device, "AAPL01,Refresh",␉␉␉␉␉GMAX3100_vals[20], 4);␊
223␉␉devprop_add_value(device, "AAPL01,Stretch",␉␉␉␉␉GMAX3100_vals[21], 4);␊
224␉␉devprop_add_value(device, "class-code",␉␉␉␉␉␉ClassFix, 4);␊
225␉}␊
226␉else if (model == (char *)"Intel HD Graphics 2000 Mobile")␊
227␉{␊
228␉␉devprop_add_value(device, "class-code", ClassFix, 4);␊
229␉␉devprop_add_value(device, "hda-gfx", (uint8_t *)"onboard-1", 10); ␊
230␉␉devprop_add_value(device, "AAPL00,PixelFormat", HD2000_vals[0], 4);␊
231␉␉devprop_add_value(device, "AAPL00,T1", HD2000_vals[1], 4);␊
232␉␉devprop_add_value(device, "AAPL00,T2", HD2000_vals[2], 4);␊
233␉␉devprop_add_value(device, "AAPL00,T3", HD2000_vals[3], 4);␊
234␉␉devprop_add_value(device, "AAPL00,T4", HD2000_vals[4], 4);␊
235␉␉devprop_add_value(device, "AAPL00,T5", HD2000_vals[5], 4);␊
236␉␉devprop_add_value(device, "AAPL00,T6", HD2000_vals[6], 4);␊
237␉␉devprop_add_value(device, "AAPL00,T7", HD2000_vals[7], 4);␊
238␉␉devprop_add_value(device, "AAPL00,LinkType", HD2000_vals[8], 4);␊
239␉␉devprop_add_value(device, "AAPL00,LinkFormat", HD2000_vals[9], 4);␊
240␉␉devprop_add_value(device, "AAPL00,DualLink", HD2000_vals[10], 4);␊
241␉␉devprop_add_value(device, "AAPL00,Dither", HD2000_vals[11], 4);␊
242␉␉devprop_add_value(device, "AAPL00,DataJustify", HD3000_vals[12], 4);␊
243␉␉devprop_add_value(device, "graphic-options", HD2000_vals[13], 4);␊
244␉␉devprop_add_value(device, "AAPL,tbl-info", HD2000_tbl_info, 18);␊
245␉␉devprop_add_value(device, "AAPL,os-info", HD2000_os_info, 20);␊
246␉}␊
247␉else if (model == (char *)"Intel HD Graphics 3000 Mobile")␊
248␉{␊
249␉␉devprop_add_value(device, "class-code", ClassFix, 4);␊
250␉␉devprop_add_value(device, "hda-gfx", (uint8_t *)"onboard-1", 10); ␊
251␉␉devprop_add_value(device, "AAPL00,PixelFormat", HD3000_vals[0], 4);␊
252␉␉devprop_add_value(device, "AAPL00,T1", HD3000_vals[1], 4);␊
253␉␉devprop_add_value(device, "AAPL00,T2", HD3000_vals[2], 4);␊
254␉␉devprop_add_value(device, "AAPL00,T3", HD3000_vals[3], 4);␊
255␉␉devprop_add_value(device, "AAPL00,T4", HD3000_vals[4], 4);␊
256␉␉devprop_add_value(device, "AAPL00,T5", HD3000_vals[5], 4);␊
257␉␉devprop_add_value(device, "AAPL00,T6", HD3000_vals[6], 4);␊
258␉␉devprop_add_value(device, "AAPL00,T7", HD3000_vals[7], 4);␊
259␉␉devprop_add_value(device, "AAPL00,LinkType", HD3000_vals[8], 4);␊
260␉␉devprop_add_value(device, "AAPL00,LinkFormat", HD3000_vals[9], 4);␊
261␉␉devprop_add_value(device, "AAPL00,DualLink", HD3000_vals[10], 4);␊
262␉␉devprop_add_value(device, "AAPL00,Dither", HD3000_vals[11], 4);␊
263␉␉devprop_add_value(device, "AAPL00,DataJustify", HD3000_vals[12], 4);␊
264␉␉devprop_add_value(device, "graphic-options", HD3000_vals[13], 4);␊
265␉␉devprop_add_value(device, "AAPL,tbl-info", HD3000_tbl_info, 18);␊
266␉␉devprop_add_value(device, "AAPL,os-info", HD3000_os_info, 20);␊
267␉}␊
268␉else if (model == (char *)"Intel HD Graphics 2000")␊
269␉{␊
270␉␉devprop_add_value(device, "built-in", &BuiltIn, 1);␊
271␉␉devprop_add_value(device, "class-code", ClassFix, 4);␊
272␉␉devprop_add_value(device, "device-id", (uint8_t*)&device_id, sizeof(device_id));␊
273␉␉devprop_add_value(device, "hda-gfx", (uint8_t *)"onboard-1", 10); ␊
274␉␉devprop_add_value(device, "AAPL,tbl-info", HD2000_tbl_info, 18);␊
275␉␉devprop_add_value(device, "AAPL,os-info", HD2000_os_info, 20);␊
276␉}␊
277␉else if (model == (char *)"Intel HD Graphics 3000")␊
278␉{␊
279␉␉devprop_add_value(device, "built-in", &BuiltIn, 1);␊
280␉␉devprop_add_value(device, "class-code", ClassFix, 4);␊
281␉␉device_id = 0x00000126;␉␉␉␉␉␉␉␉␉␉␉// Inject a valid mobile GPU device id instead of patching kexts␊
282␉␉devprop_add_value(device, "device-id", (uint8_t*)&device_id, sizeof(device_id));␊
283␉␉devprop_add_value(device, "hda-gfx", (uint8_t *)"onboard-1", 10); ␊
284␉␉devprop_add_value(device, "AAPL,tbl-info", HD3000_tbl_info, 18);␊
285␉␉devprop_add_value(device, "AAPL,os-info", HD3000_os_info, 20);␊
286␉}␊
287␉␊
288␉stringdata = malloc(sizeof(uint8_t) * string->length);␊
289␉if (!stringdata)␊
290␉{␊
291␉␉printf("No stringdata.\n");␊
292␉␉pause();␊
293␉␉return false;␊
294␉}␊
295␉␊
296␉memcpy(stringdata, (uint8_t*)devprop_generate_string(string), string->length);␊
297␉stringlength = string->length;␊
298␉␊
299␉return true;␊
300}␊
301

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