agpreg.h revision 331722
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: stable/11/sys/dev/agp/agpreg.h 331722 2018-03-29 02:50:57Z eadler $
27 */
28
29#ifndef _PCI_AGPREG_H_
30#define _PCI_AGPREG_H_
31
32/*
33 * Offsets for various AGP configuration registers.
34 */
35#define AGP_APBASE		PCIR_BAR(0)
36
37/*
38 * Offsets from the AGP Capability pointer.
39 */
40#define AGP_CAPID		0x0
41#define AGP_STATUS		0x4
42#define AGP_COMMAND		0x8
43#define AGP_STATUS_AGP3		0x0008
44#define AGP_STATUS_RQ_MASK	0xff000000
45#define AGP_COMMAND_RQ_MASK	0xff000000
46#define AGP_STATUS_ARQSZ_MASK	0xe000
47#define AGP_COMMAND_ARQSZ_MASK	0xe000
48#define AGP_STATUS_CAL_MASK	0x1c00
49#define AGP_COMMAND_CAL_MASK	0x1c00
50#define AGP_STATUS_ISOCH	0x10000
51#define AGP_STATUS_SBA		0x0200
52#define AGP_STATUS_ITA_COH	0x0100
53#define AGP_STATUS_GART64	0x0080
54#define AGP_STATUS_HTRANS	0x0040
55#define AGP_STATUS_64BIT	0x0020
56#define AGP_STATUS_FW		0x0010
57#define AGP_COMMAND_RQ_MASK 	0xff000000
58#define AGP_COMMAND_ARQSZ_MASK	0xe000
59#define AGP_COMMAND_CAL_MASK	0x1c00
60#define AGP_COMMAND_SBA		0x0200
61#define AGP_COMMAND_AGP		0x0100
62#define AGP_COMMAND_GART64	0x0080
63#define AGP_COMMAND_64BIT	0x0020
64#define AGP_COMMAND_FW		0x0010
65
66/*
67 * Config offsets for Intel AGP chipsets.
68 */
69#define AGP_INTEL_NBXCFG	0x50
70#define AGP_INTEL_ERRSTS	0x91
71#define AGP_INTEL_AGPCTRL	0xb0
72#define AGP_INTEL_APSIZE	0xb4
73#define AGP_INTEL_ATTBASE	0xb8
74
75/*
76 * Config offsets for Intel i8xx/E7xxx AGP chipsets.
77 */
78#define AGP_INTEL_MCHCFG	0x50
79#define AGP_INTEL_I820_RDCR	0x51
80#define AGP_INTEL_I845_AGPM	0x51
81#define AGP_INTEL_I8XX_ERRSTS	0xc8
82
83/*
84 * Config offsets for VIA AGP 2.x chipsets.
85 */
86#define AGP_VIA_GARTCTRL	0x80
87#define AGP_VIA_APSIZE		0x84
88#define AGP_VIA_ATTBASE		0x88
89
90/*
91 * Config offsets for VIA AGP 3.0 chipsets.
92 */
93#define AGP3_VIA_GARTCTRL        0x90
94#define AGP3_VIA_APSIZE          0x94
95#define AGP3_VIA_ATTBASE         0x98
96#define AGP_VIA_AGPSEL		 0xfd
97
98/*
99 * Config offsets for SiS AGP chipsets.
100 */
101#define AGP_SIS_ATTBASE		0x90
102#define AGP_SIS_WINCTRL		0x94
103#define AGP_SIS_TLBCTRL		0x97
104#define AGP_SIS_TLBFLUSH	0x98
105
106/*
107 * Config offsets for Ali AGP chipsets.
108 */
109#define AGP_ALI_AGPCTRL		0xb8
110#define AGP_ALI_ATTBASE		0xbc
111#define AGP_ALI_TLBCTRL		0xc0
112
113/*
114 * Config offsets for the AMD 751 chipset.
115 */
116#define AGP_AMD751_APBASE	0x10
117#define AGP_AMD751_REGISTERS	0x14
118#define AGP_AMD751_APCTRL	0xac
119#define AGP_AMD751_MODECTRL	0xb0
120#define AGP_AMD751_MODECTRL_SYNEN	0x80
121#define AGP_AMD751_MODECTRL2	0xb2
122#define AGP_AMD751_MODECTRL2_G1LM	0x01
123#define AGP_AMD751_MODECTRL2_GPDCE	0x02
124#define AGP_AMD751_MODECTRL2_NGSE	0x08
125
126/*
127 * Memory mapped register offsets for AMD 751 chipset.
128 */
129#define AGP_AMD751_CAPS		0x00
130#define AGP_AMD751_CAPS_EHI		0x0800
131#define AGP_AMD751_CAPS_P2P		0x0400
132#define AGP_AMD751_CAPS_MPC		0x0200
133#define AGP_AMD751_CAPS_VBE		0x0100
134#define AGP_AMD751_CAPS_REV		0x00ff
135#define AGP_AMD751_STATUS	0x02
136#define AGP_AMD751_STATUS_P2PS		0x0800
137#define AGP_AMD751_STATUS_GCS		0x0400
138#define AGP_AMD751_STATUS_MPS		0x0200
139#define AGP_AMD751_STATUS_VBES		0x0100
140#define AGP_AMD751_STATUS_P2PE		0x0008
141#define AGP_AMD751_STATUS_GCE		0x0004
142#define AGP_AMD751_STATUS_VBEE		0x0001
143#define AGP_AMD751_ATTBASE	0x04
144#define AGP_AMD751_TLBCTRL	0x0c
145
146/*
147 * Config registers for i810 device 0
148 */
149#define AGP_I810_SMRAM		0x70
150#define AGP_I810_SMRAM_GMS		0xc0
151#define AGP_I810_SMRAM_GMS_DISABLED	0x00
152#define AGP_I810_SMRAM_GMS_ENABLED_0	0x40
153#define AGP_I810_SMRAM_GMS_ENABLED_512	0x80
154#define AGP_I810_SMRAM_GMS_ENABLED_1024	0xc0
155#define AGP_I810_MISCC		0x72
156#define	AGP_I810_MISCC_WINSIZE		0x0001
157#define AGP_I810_MISCC_WINSIZE_64	0x0000
158#define AGP_I810_MISCC_WINSIZE_32	0x0001
159#define AGP_I810_MISCC_PLCK		0x0008
160#define AGP_I810_MISCC_PLCK_UNLOCKED	0x0000
161#define AGP_I810_MISCC_PLCK_LOCKED	0x0008
162#define AGP_I810_MISCC_WPTC		0x0030
163#define AGP_I810_MISCC_WPTC_NOLIMIT	0x0000
164#define AGP_I810_MISCC_WPTC_62		0x0010
165#define AGP_I810_MISCC_WPTC_50		0x0020
166#define	AGP_I810_MISCC_WPTC_37		0x0030
167#define AGP_I810_MISCC_RPTC		0x00c0
168#define AGP_I810_MISCC_RPTC_NOLIMIT	0x0000
169#define AGP_I810_MISCC_RPTC_62		0x0040
170#define AGP_I810_MISCC_RPTC_50		0x0080
171#define AGP_I810_MISCC_RPTC_37		0x00c0
172
173/*
174 * Config registers for i810 device 1
175 */
176#define AGP_I810_GMADR		0x10
177#define AGP_I810_MMADR		0x14
178
179#define	I810_PTE_VALID		0x00000001
180
181/*
182 * Cache control
183 *
184 * Pre-Sandybridge bits
185 */
186#define	I810_PTE_MAIN_UNCACHED	0x00000000
187#define	I810_PTE_LOCAL		0x00000002	/* Non-snooped main phys memory */
188#define	I830_PTE_SYSTEM_CACHED  0x00000006	/* Snooped main phys memory */
189
190/*
191 * Sandybridge
192 * LLC - Last Level Cache
193 * MMC - Mid Level Cache
194 */
195#define	GEN6_PTE_RESERVED	0x00000000
196#define	GEN6_PTE_UNCACHED	0x00000002	/* Do not cache */
197#define	GEN6_PTE_LLC		0x00000004	/* Cache in LLC */
198#define	GEN6_PTE_LLC_MLC	0x00000006	/* Cache in LLC and MLC */
199#define	GEN6_PTE_GFDT		0x00000008	/* Graphics Data Type */
200
201/*
202 * Memory mapped register offsets for i810 chipset.
203 */
204#define AGP_I810_PGTBL_CTL	0x2020
205#define	AGP_I810_PGTBL_ENABLED	0x00000001
206/**
207 * This field determines the actual size of the global GTT on the 965
208 * and G33
209 */
210#define AGP_I810_PGTBL_SIZE_MASK	0x0000000e
211#define AGP_I810_PGTBL_SIZE_512KB	(0 << 1)
212#define AGP_I810_PGTBL_SIZE_256KB	(1 << 1)
213#define	AGP_I810_PGTBL_SIZE_128KB	(2 << 1)
214#define	AGP_I810_PGTBL_SIZE_1MB		(3 << 1)
215#define	AGP_I810_PGTBL_SIZE_2MB		(4 << 1)
216#define	AGP_I810_PGTBL_SIZE_1_5MB	(5 << 1)
217#define AGP_G33_GCC1_SIZE_MASK		(3 << 8)
218#define AGP_G33_GCC1_SIZE_1M		(1 << 8)
219#define AGP_G33_GCC1_SIZE_2M		(2 << 8)
220#define AGP_G4x_GCC1_SIZE_MASK		(0xf << 8)
221#define AGP_G4x_GCC1_SIZE_1M		(0x1 << 8)
222#define AGP_G4x_GCC1_SIZE_2M		(0x3 << 8)
223#define AGP_G4x_GCC1_SIZE_VT_EN		(0x8 << 8)
224#define AGP_G4x_GCC1_SIZE_VT_1M \
225    (AGP_G4x_GCC1_SIZE_1M | AGP_G4x_GCC1_SIZE_VT_EN)
226#define AGP_G4x_GCC1_SIZE_VT_1_5M	((0x2 << 8) | AGP_G4x_GCC1_SIZE_VT_EN)
227#define AGP_G4x_GCC1_SIZE_VT_2M	\
228    (AGP_G4x_GCC1_SIZE_2M | AGP_G4x_GCC1_SIZE_VT_EN)
229
230#define AGP_I810_DRT		0x3000
231#define AGP_I810_DRT_UNPOPULATED 0x00
232#define AGP_I810_DRT_POPULATED	0x01
233#define AGP_I810_GTT		0x10000
234
235/*
236 * Config registers for i830MG device 0
237 */
238#define AGP_I830_GCC1			0x52
239#define AGP_I830_GCC1_DEV2		0x08
240#define AGP_I830_GCC1_DEV2_ENABLED	0x00
241#define AGP_I830_GCC1_DEV2_DISABLED	0x08
242#define AGP_I830_GCC1_GMS		0xf0 /* Top bit reserved pre-G33 */
243#define AGP_I830_GCC1_GMS_STOLEN_512	0x20
244#define AGP_I830_GCC1_GMS_STOLEN_1024	0x30
245#define AGP_I830_GCC1_GMS_STOLEN_8192	0x40
246#define AGP_I830_GCC1_GMASIZE		0x01
247#define AGP_I830_GCC1_GMASIZE_64	0x01
248#define AGP_I830_GCC1_GMASIZE_128	0x00
249#define	AGP_I830_HIC			0x70
250
251/*
252 * Config registers for 852GM/855GM/865G device 0
253 */
254#define AGP_I855_GCC1			0x52
255#define AGP_I855_GCC1_DEV2		0x08
256#define AGP_I855_GCC1_DEV2_ENABLED	0x00
257#define AGP_I855_GCC1_DEV2_DISABLED	0x08
258#define AGP_I855_GCC1_GMS		0xf0 /* Top bit reserved pre-G33 */
259#define AGP_I855_GCC1_GMS_STOLEN_0M	0x00
260#define AGP_I855_GCC1_GMS_STOLEN_1M	0x10
261#define AGP_I855_GCC1_GMS_STOLEN_4M	0x20
262#define AGP_I855_GCC1_GMS_STOLEN_8M	0x30
263#define AGP_I855_GCC1_GMS_STOLEN_16M	0x40
264#define AGP_I855_GCC1_GMS_STOLEN_32M	0x50
265
266/*
267 * 852GM/855GM variant identification
268 */
269#define AGP_I85X_CAPID			0x44
270#define AGP_I85X_VARIANT_MASK		0x7
271#define AGP_I85X_VARIANT_SHIFT		5
272#define AGP_I855_GME			0x0
273#define AGP_I855_GM			0x4
274#define AGP_I852_GME			0x2
275#define AGP_I852_GM			0x5
276
277/*
278 * 915G registers
279 */
280#define AGP_I915_GMADR			0x18
281#define AGP_I915_MMADR			0x10
282#define AGP_I915_GTTADR			0x1C
283#define AGP_I915_GCC1_GMS_STOLEN_48M	0x60
284#define AGP_I915_GCC1_GMS_STOLEN_64M	0x70
285#define AGP_I915_DEVEN			0x54
286#define	AGP_SB_DEVEN_D2EN		0x10	/* SB+ has IGD enabled bit */
287#define	AGP_SB_DEVEN_D2EN_ENABLED	0x10	/* in different place */
288#define	AGP_SB_DEVEN_D2EN_DISABLED	0x00
289#define AGP_I915_DEVEN_D2F0		0x08
290#define AGP_I915_DEVEN_D2F0_ENABLED	0x08
291#define AGP_I915_DEVEN_D2F0_DISABLED	0x00
292#define AGP_I915_MSAC			0x62
293#define AGP_I915_MSAC_GMASIZE		0x02
294#define AGP_I915_MSAC_GMASIZE_128	0x02
295#define AGP_I915_MSAC_GMASIZE_256	0x00
296#define	AGP_I915_IFPADDR		0x60
297
298/*
299 * G33 registers
300 */
301#define AGP_G33_MGGC_GGMS_MASK		(3 << 8)
302#define AGP_G33_MGGC_GGMS_SIZE_1M	(1 << 8)
303#define AGP_G33_MGGC_GGMS_SIZE_2M	(2 << 8)
304#define AGP_G33_GCC1_GMS_STOLEN_128M	0x80
305#define AGP_G33_GCC1_GMS_STOLEN_256M	0x90
306
307/*
308 * G965 registers
309 */
310#define AGP_I965_GTTMMADR		0x10
311#define AGP_I965_APBASE			0x18
312#define AGP_I965_MSAC			0x62
313#define AGP_I965_MSAC_GMASIZE_128	0x00
314#define AGP_I965_MSAC_GMASIZE_256	0x02
315#define AGP_I965_MSAC_GMASIZE_512	0x06
316#define AGP_I965_PGTBL_SIZE_1MB		(3 << 1)
317#define AGP_I965_PGTBL_SIZE_2MB		(4 << 1)
318#define AGP_I965_PGTBL_SIZE_1_5MB	(5 << 1)
319#define AGP_I965_PGTBL_CTL2		0x20c4
320#define	AGP_I965_IFPADDR		0x70
321
322/*
323 * G4X registers
324 */
325#define AGP_G4X_GCC1_GMS_STOLEN_96M	0xa0
326#define AGP_G4X_GCC1_GMS_STOLEN_160M	0xb0
327#define AGP_G4X_GCC1_GMS_STOLEN_224M	0xc0
328#define AGP_G4X_GCC1_GMS_STOLEN_352M	0xd0
329
330/*
331 * SandyBridge/IvyBridge registers
332 */
333#define AGP_SNB_GCC1			0x50
334#define AGP_SNB_GMCH_GMS_STOLEN_MASK	0xF8
335#define AGP_SNB_GMCH_GMS_STOLEN_32M	(1 << 3)
336#define AGP_SNB_GMCH_GMS_STOLEN_64M	(2 << 3)
337#define AGP_SNB_GMCH_GMS_STOLEN_96M	(3 << 3)
338#define AGP_SNB_GMCH_GMS_STOLEN_128M	(4 << 3)
339#define AGP_SNB_GMCH_GMS_STOLEN_160M	(5 << 3)
340#define AGP_SNB_GMCH_GMS_STOLEN_192M	(6 << 3)
341#define AGP_SNB_GMCH_GMS_STOLEN_224M	(7 << 3)
342#define AGP_SNB_GMCH_GMS_STOLEN_256M	(8 << 3)
343#define AGP_SNB_GMCH_GMS_STOLEN_288M	(9 << 3)
344#define AGP_SNB_GMCH_GMS_STOLEN_320M	(0xa << 3)
345#define AGP_SNB_GMCH_GMS_STOLEN_352M	(0xb << 3)
346#define AGP_SNB_GMCH_GMS_STOLEN_384M	(0xc << 3)
347#define AGP_SNB_GMCH_GMS_STOLEN_416M	(0xd << 3)
348#define AGP_SNB_GMCH_GMS_STOLEN_448M	(0xe << 3)
349#define AGP_SNB_GMCH_GMS_STOLEN_480M	(0xf << 3)
350#define AGP_SNB_GMCH_GMS_STOLEN_512M	(0x10 << 3)
351#define AGP_SNB_GTT_SIZE_0M		(0 << 8)
352#define AGP_SNB_GTT_SIZE_1M		(1 << 8)
353#define AGP_SNB_GTT_SIZE_2M		(2 << 8)
354#define AGP_SNB_GTT_SIZE_MASK		(3 << 8)
355
356#define AGP_SNB_GFX_MODE		0x02520
357
358/*
359 * NVIDIA nForce/nForce2 registers
360 */
361#define	AGP_NVIDIA_0_APBASE		0x10
362#define	AGP_NVIDIA_0_APSIZE		0x80
363#define	AGP_NVIDIA_1_WBC		0xf0
364#define	AGP_NVIDIA_2_GARTCTRL		0xd0
365#define	AGP_NVIDIA_2_APBASE		0xd8
366#define	AGP_NVIDIA_2_APLIMIT		0xdc
367#define	AGP_NVIDIA_2_ATTBASE(i)		(0xe0 + (i) * 4)
368#define	AGP_NVIDIA_3_APBASE		0x50
369#define	AGP_NVIDIA_3_APLIMIT		0x54
370
371/*
372 * AMD64 GART registers
373 */
374#define	AGP_AMD64_APCTRL		0x90
375#define	AGP_AMD64_APBASE		0x94
376#define	AGP_AMD64_ATTBASE		0x98
377#define	AGP_AMD64_CACHECTRL		0x9c
378#define	AGP_AMD64_APCTRL_GARTEN		0x00000001
379#define	AGP_AMD64_APCTRL_SIZE_MASK	0x0000000e
380#define	AGP_AMD64_APCTRL_DISGARTCPU	0x00000010
381#define	AGP_AMD64_APCTRL_DISGARTIO	0x00000020
382#define	AGP_AMD64_APCTRL_DISWLKPRB	0x00000040
383#define	AGP_AMD64_APBASE_MASK		0x00007fff
384#define	AGP_AMD64_ATTBASE_MASK		0xfffffff0
385#define	AGP_AMD64_CACHECTRL_INVGART	0x00000001
386#define	AGP_AMD64_CACHECTRL_PTEERR	0x00000002
387
388/*
389 * NVIDIA nForce3 registers
390 */
391#define AGP_AMD64_NVIDIA_0_APBASE	0x10
392#define AGP_AMD64_NVIDIA_1_APBASE1	0x50
393#define AGP_AMD64_NVIDIA_1_APLIMIT1	0x54
394#define AGP_AMD64_NVIDIA_1_APSIZE	0xa8
395#define AGP_AMD64_NVIDIA_1_APBASE2	0xd8
396#define AGP_AMD64_NVIDIA_1_APLIMIT2	0xdc
397
398/*
399 * ULi M1689 registers
400 */
401#define AGP_AMD64_ULI_APBASE		0x10
402#define AGP_AMD64_ULI_HTT_FEATURE	0x50
403#define AGP_AMD64_ULI_ENU_SCR		0x54
404
405/*
406 * ATI IGP registers
407 */
408#define ATI_GART_MMADDR		0x14
409#define ATI_RS100_APSIZE	0xac
410#define ATI_RS100_IG_AGPMODE	0xb0
411#define ATI_RS300_APSIZE	0xf8
412#define ATI_RS300_IG_AGPMODE	0xfc
413#define ATI_GART_FEATURE_ID	0x00
414#define ATI_GART_BASE		0x04
415#define ATI_GART_CACHE_CNTRL	0x0c
416
417#endif /* !_PCI_AGPREG_H_ */
418