xref: /dragonfly/sys/dev/agp/agpreg.h (revision c92355de28d4ba324d99e92c55d9e29171657ff7)
1 /*-
2  * Copyright (c) 2000 Doug Rabson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  *        $FreeBSD: src/sys/pci/agpreg.h,v 1.19 2007/07/13 16:28:12 anholt Exp $
27  *        $DragonFly: src/sys/dev/agp/agpreg.h,v 1.7 2008/10/03 08:56:58 hasso Exp $
28  */
29 
30 #ifndef _PCI_AGPREG_H_
31 #define _PCI_AGPREG_H_
32 
33 /*
34  * Offsets for various AGP configuration registers.
35  */
36 #define AGP_APBASE            0x10
37 #define AGP_CAPPTR            0x34
38 
39 /*
40  * Offsets from the AGP Capability pointer.
41  */
42 #define AGP_CAPID             0x0
43 #define AGP_CAPID_GET_MAJOR(x)                    (((x) & 0x00f00000U) >> 20)
44 #define AGP_CAPID_GET_MINOR(x)                    (((x) & 0x000f0000U) >> 16)
45 #define AGP_CAPID_GET_NEXT_PTR(x)       (((x) & 0x0000ff00U) >> 8)
46 #define AGP_CAPID_GET_CAP_ID(x)                   (((x) & 0x000000ffU) >> 0)
47 
48 #define AGP_STATUS            0x4
49 #define AGP_COMMAND           0x8
50 #define AGP_STATUS_AGP3                 0x0008
51 #define AGP_STATUS_RQ_MASK    0xff000000
52 #define AGP_COMMAND_RQ_MASK   0xff000000
53 #define AGP_STATUS_ARQSZ_MASK 0xe000
54 #define AGP_COMMAND_ARQSZ_MASK          0xe000
55 #define AGP_STATUS_CAL_MASK   0x1c00
56 #define AGP_COMMAND_CAL_MASK  0x1c00
57 #define AGP_STATUS_ISOCH      0x10000
58 #define AGP_STATUS_ITA_COH    0x0100
59 #define AGP_STATUS_GART64     0x0080
60 #define AGP_STATUS_HTRANS     0x0040
61 #define AGP_STATUS_64BIT      0x0020
62 #define AGP_STATUS_FW                   0x0010
63 #define AGP_COMMAND_RQ_MASK   0xff000000
64 #define AGP_COMMAND_ARQSZ_MASK          0xe000
65 #define AGP_COMMAND_CAL_MASK  0x1c00
66 #define AGP_COMMAND_AGP                 0x0100
67 #define AGP_COMMAND_GART64    0x0080
68 #define AGP_COMMAND_64BIT     0x0020
69 #define AGP_COMMAND_FW                  0x0010
70 
71 /*
72  * Config offsets for Intel AGP chipsets.
73  */
74 #define AGP_INTEL_NBXCFG      0x50
75 #define AGP_INTEL_ERRSTS      0x91
76 #define AGP_INTEL_AGPCTRL     0xb0
77 #define AGP_INTEL_APSIZE      0xb4
78 #define AGP_INTEL_ATTBASE     0xb8
79 
80 /*
81  * Config offsets for Intel i8xx/E7xxx AGP chipsets.
82  */
83 #define AGP_INTEL_MCHCFG      0x50
84 #define AGP_INTEL_I820_RDCR   0x51
85 #define AGP_INTEL_I845_AGPM   0x51
86 #define AGP_INTEL_I8XX_ERRSTS 0xc8
87 
88 /*
89  * Config offsets for VIA AGP 2.x chipsets.
90  */
91 #define AGP_VIA_GARTCTRL      0x80
92 #define AGP_VIA_APSIZE                  0x84
93 #define AGP_VIA_ATTBASE                 0x88
94 
95 /*
96  * Config offsets for VIA AGP 3.0 chipsets.
97  */
98 #define AGP3_VIA_GARTCTRL        0x90
99 #define AGP3_VIA_APSIZE          0x94
100 #define AGP3_VIA_ATTBASE         0x98
101 #define AGP_VIA_AGPSEL                   0xfd
102 
103 /*
104  * Config offsets for SiS AGP chipsets.
105  */
106 #define AGP_SIS_ATTBASE                 0x90
107 #define AGP_SIS_WINCTRL                 0x94
108 #define AGP_SIS_TLBCTRL                 0x97
109 #define AGP_SIS_TLBFLUSH      0x98
110 
111 /*
112  * Config offsets for Ali AGP chipsets.
113  */
114 #define AGP_ALI_AGPCTRL                 0xb8
115 #define AGP_ALI_ATTBASE                 0xbc
116 #define AGP_ALI_TLBCTRL                 0xc0
117 
118 /*
119  * Config offsets for the AMD 751 chipset.
120  */
121 #define AGP_AMD751_APBASE     0x10
122 #define AGP_AMD751_REGISTERS  0x14
123 #define AGP_AMD751_APCTRL     0xac
124 #define AGP_AMD751_MODECTRL   0xb0
125 #define AGP_AMD751_MODECTRL_SYNEN       0x80
126 #define AGP_AMD751_MODECTRL2  0xb2
127 #define AGP_AMD751_MODECTRL2_G1LM       0x01
128 #define AGP_AMD751_MODECTRL2_GPDCE      0x02
129 #define AGP_AMD751_MODECTRL2_NGSE       0x08
130 
131 /*
132  * Memory mapped register offsets for AMD 751 chipset.
133  */
134 #define AGP_AMD751_CAPS                 0x00
135 #define AGP_AMD751_CAPS_EHI             0x0800
136 #define AGP_AMD751_CAPS_P2P             0x0400
137 #define AGP_AMD751_CAPS_MPC             0x0200
138 #define AGP_AMD751_CAPS_VBE             0x0100
139 #define AGP_AMD751_CAPS_REV             0x00ff
140 #define AGP_AMD751_STATUS     0x02
141 #define AGP_AMD751_STATUS_P2PS                    0x0800
142 #define AGP_AMD751_STATUS_GCS           0x0400
143 #define AGP_AMD751_STATUS_MPS           0x0200
144 #define AGP_AMD751_STATUS_VBES                    0x0100
145 #define AGP_AMD751_STATUS_P2PE                    0x0008
146 #define AGP_AMD751_STATUS_GCE           0x0004
147 #define AGP_AMD751_STATUS_VBEE                    0x0001
148 #define AGP_AMD751_ATTBASE    0x04
149 #define AGP_AMD751_TLBCTRL    0x0c
150 
151 /*
152  * Config registers for i810 device 0
153  */
154 #define AGP_I810_SMRAM                  0x70
155 #define AGP_I810_SMRAM_GMS              0xc0
156 #define AGP_I810_SMRAM_GMS_DISABLED     0x00
157 #define AGP_I810_SMRAM_GMS_ENABLED_0    0x40
158 #define AGP_I810_SMRAM_GMS_ENABLED_512  0x80
159 #define AGP_I810_SMRAM_GMS_ENABLED_1024 0xc0
160 #define AGP_I810_MISCC                  0x72
161 #define   AGP_I810_MISCC_WINSIZE                  0x0001
162 #define AGP_I810_MISCC_WINSIZE_64       0x0000
163 #define AGP_I810_MISCC_WINSIZE_32       0x0001
164 #define AGP_I810_MISCC_PLCK             0x0008
165 #define AGP_I810_MISCC_PLCK_UNLOCKED    0x0000
166 #define AGP_I810_MISCC_PLCK_LOCKED      0x0008
167 #define AGP_I810_MISCC_WPTC             0x0030
168 #define AGP_I810_MISCC_WPTC_NOLIMIT     0x0000
169 #define AGP_I810_MISCC_WPTC_62                    0x0010
170 #define AGP_I810_MISCC_WPTC_50                    0x0020
171 #define   AGP_I810_MISCC_WPTC_37                  0x0030
172 #define AGP_I810_MISCC_RPTC             0x00c0
173 #define AGP_I810_MISCC_RPTC_NOLIMIT     0x0000
174 #define AGP_I810_MISCC_RPTC_62                    0x0040
175 #define AGP_I810_MISCC_RPTC_50                    0x0080
176 #define AGP_I810_MISCC_RPTC_37                    0x00c0
177 
178 /*
179  * Config registers for i810 device 1
180  */
181 #define AGP_I810_GMADR                  0x10
182 #define AGP_I810_MMADR                  0x14
183 
184 #define   I810_PTE_VALID                0x00000001
185 
186 /*
187  * Cache control
188  *
189  * Pre-Sandybridge bits
190  */
191 #define   I810_PTE_MAIN_UNCACHED        0x00000000
192 #define   I810_PTE_LOCAL                0x00000002          /* Non-snooped main phys memory */
193 #define   I830_PTE_SYSTEM_CACHED  0x00000006      /* Snooped main phys memory */
194 
195 /*
196  * Memory mapped register offsets for i810 chipset.
197  */
198 #define AGP_I810_PGTBL_CTL    0x2020
199 #define   AGP_I810_PGTBL_ENABLED        0x00000001
200 /**
201  * This field determines the actual size of the global GTT on the 965
202  * and G33
203  */
204 #define AGP_I810_PGTBL_SIZE_MASK        0x0000000e
205 #define AGP_I810_PGTBL_SIZE_512KB       (0 << 1)
206 #define AGP_I810_PGTBL_SIZE_256KB       (1 << 1)
207 #define   AGP_I810_PGTBL_SIZE_128KB     (2 << 1)
208 #define   AGP_I810_PGTBL_SIZE_1MB                 (3 << 1)
209 #define   AGP_I810_PGTBL_SIZE_2MB                 (4 << 1)
210 #define   AGP_I810_PGTBL_SIZE_1_5MB     (5 << 1)
211 #define AGP_G33_GCC1_SIZE_MASK                    (3 << 8)
212 #define AGP_G33_GCC1_SIZE_1M            (1 << 8)
213 #define AGP_G33_GCC1_SIZE_2M            (2 << 8)
214 #define AGP_G4x_GCC1_SIZE_MASK                    (0xf << 8)
215 #define AGP_G4x_GCC1_SIZE_1M            (0x1 << 8)
216 #define AGP_G4x_GCC1_SIZE_2M            (0x3 << 8)
217 #define AGP_G4x_GCC1_SIZE_VT_EN                   (0x8 << 8)
218 #define AGP_G4x_GCC1_SIZE_VT_1M \
219     (AGP_G4x_GCC1_SIZE_1M | AGP_G4x_GCC1_SIZE_VT_EN)
220 #define AGP_G4x_GCC1_SIZE_VT_1_5M       ((0x2 << 8) | AGP_G4x_GCC1_SIZE_VT_EN)
221 #define AGP_G4x_GCC1_SIZE_VT_2M         \
222     (AGP_G4x_GCC1_SIZE_2M | AGP_G4x_GCC1_SIZE_VT_EN)
223 
224 #define AGP_I810_DRT                    0x3000
225 #define AGP_I810_DRT_UNPOPULATED 0x00
226 #define AGP_I810_DRT_POPULATED          0x01
227 #define AGP_I810_GTT                    0x10000
228 
229 /*
230  * Config registers for i830MG device 0
231  */
232 #define AGP_I830_GCC1                             0x52
233 #define AGP_I830_GCC1_DEV2              0x08
234 #define AGP_I830_GCC1_DEV2_ENABLED      0x00
235 #define AGP_I830_GCC1_DEV2_DISABLED     0x08
236 #define AGP_I830_GCC1_GMS               0xf0 /* Top bit reserved pre-G33 */
237 #define AGP_I830_GCC1_GMS_STOLEN_512    0x20
238 #define AGP_I830_GCC1_GMS_STOLEN_1024   0x30
239 #define AGP_I830_GCC1_GMS_STOLEN_8192   0x40
240 #define AGP_I830_GCC1_GMASIZE           0x01
241 #define AGP_I830_GCC1_GMASIZE_64        0x01
242 #define AGP_I830_GCC1_GMASIZE_128       0x00
243 #define   AGP_I830_HIC                            0x70
244 
245 /*
246  * Config registers for 852GM/855GM/865G device 0
247  */
248 #define AGP_I855_GCC1                             0x52
249 #define AGP_I855_GCC1_DEV2              0x08
250 #define AGP_I855_GCC1_DEV2_ENABLED      0x00
251 #define AGP_I855_GCC1_DEV2_DISABLED     0x08
252 #define AGP_I855_GCC1_GMS               0xf0 /* Top bit reserved pre-G33 */
253 #define AGP_I855_GCC1_GMS_STOLEN_0M     0x00
254 #define AGP_I855_GCC1_GMS_STOLEN_1M     0x10
255 #define AGP_I855_GCC1_GMS_STOLEN_4M     0x20
256 #define AGP_I855_GCC1_GMS_STOLEN_8M     0x30
257 #define AGP_I855_GCC1_GMS_STOLEN_16M    0x40
258 #define AGP_I855_GCC1_GMS_STOLEN_32M    0x50
259 
260 /*
261  * 852GM/855GM variant identification
262  */
263 #define AGP_I85X_CAPID                            0x44
264 #define AGP_I85X_VARIANT_MASK           0x7
265 #define AGP_I85X_VARIANT_SHIFT                    5
266 #define AGP_I855_GME                              0x0
267 #define AGP_I855_GM                     0x4
268 #define AGP_I852_GME                              0x2
269 #define AGP_I852_GM                     0x5
270 
271 /*
272  * 915G registers
273  */
274 #define AGP_I915_GMADR                            0x18
275 #define AGP_I915_MMADR                            0x10
276 #define AGP_I915_GTTADR                           0x1C
277 #define AGP_I915_GCC1_GMS_STOLEN_48M    0x60
278 #define AGP_I915_GCC1_GMS_STOLEN_64M    0x70
279 #define AGP_I915_DEVEN                            0x54
280 #define AGP_I915_DEVEN_D2F0             0x08
281 #define AGP_I915_DEVEN_D2F0_ENABLED     0x08
282 #define AGP_I915_DEVEN_D2F0_DISABLED    0x00
283 #define AGP_I915_MSAC                             0x62
284 #define AGP_I915_MSAC_GMASIZE           0x02
285 #define AGP_I915_MSAC_GMASIZE_128       0x02
286 #define AGP_I915_MSAC_GMASIZE_256       0x00
287 #define   AGP_I915_IFPADDR              0x60
288 
289 /*
290  * G965 registers
291  */
292 #define AGP_I965_GTTMMADR               0x10
293 #define AGP_I965_MSAC                             0x62
294 #define AGP_I965_MSAC_GMASIZE_128       0x00
295 #define AGP_I965_MSAC_GMASIZE_256       0x02
296 #define AGP_I965_MSAC_GMASIZE_512       0x06
297 #define AGP_I965_PGTBL_SIZE_1MB                   (3 << 1)
298 #define AGP_I965_PGTBL_SIZE_2MB                   (4 << 1)
299 #define AGP_I965_PGTBL_SIZE_1_5MB       (5 << 1)
300 #define AGP_I965_PGTBL_CTL2             0x20c4
301 #define   AGP_I965_IFPADDR              0x70
302 
303 /*
304  * G33 registers
305  */
306 #define AGP_G33_MGGC_GGMS_MASK                    (3 << 8)
307 #define AGP_G33_MGGC_GGMS_SIZE_1M       (1 << 8)
308 #define AGP_G33_MGGC_GGMS_SIZE_2M       (2 << 8)
309 #define AGP_G33_GCC1_GMS_STOLEN_128M    0x80
310 #define AGP_G33_GCC1_GMS_STOLEN_256M    0x90
311 
312 /*
313  * G4X registers
314  */
315 #define AGP_G4X_GMADR                             0x20
316 #define AGP_G4X_MMADR                             0x10
317 #define AGP_G4X_GTTADR                            0x18
318 #define AGP_G4X_GCC1_GMS_STOLEN_96M     0xa0
319 #define AGP_G4X_GCC1_GMS_STOLEN_160M    0xb0
320 #define AGP_G4X_GCC1_GMS_STOLEN_224M    0xc0
321 #define AGP_G4X_GCC1_GMS_STOLEN_352M    0xd0
322 
323 /*
324  * NVIDIA nForce/nForce2 registers
325  */
326 #define   AGP_NVIDIA_0_APBASE           0x10
327 #define   AGP_NVIDIA_0_APSIZE           0x80
328 #define   AGP_NVIDIA_1_WBC              0xf0
329 #define   AGP_NVIDIA_2_GARTCTRL                   0xd0
330 #define   AGP_NVIDIA_2_APBASE           0xd8
331 #define   AGP_NVIDIA_2_APLIMIT                    0xdc
332 #define   AGP_NVIDIA_2_ATTBASE(i)                 (0xe0 + (i) * 4)
333 #define   AGP_NVIDIA_3_APBASE           0x50
334 #define   AGP_NVIDIA_3_APLIMIT                    0x54
335 
336 /*
337  * AMD64 GART registers
338  */
339 #define   AGP_AMD64_APCTRL              0x90
340 #define   AGP_AMD64_APBASE              0x94
341 #define   AGP_AMD64_ATTBASE             0x98
342 #define   AGP_AMD64_CACHECTRL           0x9c
343 #define   AGP_AMD64_APCTRL_GARTEN                 0x00000001
344 #define   AGP_AMD64_APCTRL_SIZE_MASK    0x0000000e
345 #define   AGP_AMD64_APCTRL_DISGARTCPU   0x00000010
346 #define   AGP_AMD64_APCTRL_DISGARTIO    0x00000020
347 #define   AGP_AMD64_APCTRL_DISWLKPRB    0x00000040
348 #define   AGP_AMD64_APBASE_MASK                   0x00007fff
349 #define   AGP_AMD64_ATTBASE_MASK                  0xfffffff0
350 #define   AGP_AMD64_CACHECTRL_INVGART   0x00000001
351 #define   AGP_AMD64_CACHECTRL_PTEERR    0x00000002
352 
353 /*
354  * NVIDIA nForce3 registers
355  */
356 #define AGP_AMD64_NVIDIA_0_APBASE       0x10
357 #define AGP_AMD64_NVIDIA_1_APBASE1      0x50
358 #define AGP_AMD64_NVIDIA_1_APLIMIT1     0x54
359 #define AGP_AMD64_NVIDIA_1_APSIZE       0xa8
360 #define AGP_AMD64_NVIDIA_1_APBASE2      0xd8
361 #define AGP_AMD64_NVIDIA_1_APLIMIT2     0xdc
362 
363 /*
364  * ULi M1689 registers
365  */
366 #define AGP_AMD64_ULI_APBASE            0x10
367 #define AGP_AMD64_ULI_HTT_FEATURE       0x50
368 #define AGP_AMD64_ULI_ENU_SCR           0x54
369 
370 /*
371  * ATI IGP registers
372  */
373 #define ATI_GART_MMADDR                 0x14
374 #define ATI_RS100_APSIZE      0xac
375 #define ATI_RS100_IG_AGPMODE  0xb0
376 #define ATI_RS300_APSIZE      0xf8
377 #define ATI_RS300_IG_AGPMODE  0xfc
378 #define ATI_GART_FEATURE_ID   0x00
379 #define ATI_GART_BASE                   0x04
380 #define ATI_GART_CACHE_CNTRL  0x0c
381 
382 #endif /* !_PCI_AGPREG_H_ */
383