[linux.git] / drivers / video / riva / nvreg.h

/* $XConsortium: nvreg.h /main/2 1996/10/28 05:13:41 kaleb $ */
/*
 * Copyright 1996-1997  David J. McKay
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * DAVID J. MCKAY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

/* $XFree86: xc/programs/Xserver/hw/xfree86/vga256/drivers/nv/nvreg.h,v 3.2.2.1 1998/01/18 10:35:36 hohndel Exp $ */

#ifndef __NVREG_H_
#define __NVREG_H_

/* Little macro to construct bitmask for contiguous ranges of bits */
#define BITMASK(t,b) (((unsigned)(1U << (((t)-(b)+1)))-1)  << (b))
#define MASKEXPAND(mask) BITMASK(1?mask,0?mask)

/* Macro to set specific bitfields (mask has to be a macro x:y) ! */
#define SetBF(mask,value) ((value) << (0?mask))
#define GetBF(var,mask) (((unsigned)((var) & MASKEXPAND(mask))) >> (0?mask) )

#define MaskAndSetBF(var,mask,value) (var)=(((var)&(~MASKEXPAND(mask)) \
                                             | SetBF(mask,value)))

#define DEVICE_BASE(device) (0?NV##_##device)
#define DEVICE_SIZE(device) ((1?NV##_##device) - DEVICE_BASE(device)+1)

/* This is where we will have to have conditional compilation */
#define DEVICE_ACCESS(device,reg) \
  nvCONTROL[(NV_##device##_##reg)/4]

#define DEVICE_WRITE(device,reg,value) DEVICE_ACCESS(device,reg)=(value)
#define DEVICE_READ(device,reg)        DEVICE_ACCESS(device,reg)
#define DEVICE_PRINT(device,reg) \
  ErrorF("NV_"#device"_"#reg"=#%08lx\n",DEVICE_ACCESS(device,reg))
#define DEVICE_DEF(device,mask,value) \
  SetBF(NV_##device##_##mask,NV_##device##_##mask##_##value)
#define DEVICE_VALUE(device,mask,value) SetBF(NV_##device##_##mask,value)
#define DEVICE_MASK(device,mask) MASKEXPAND(NV_##device##_##mask)

#define PDAC_Write(reg,value)           DEVICE_WRITE(PDAC,reg,value)
#define PDAC_Read(reg)                  DEVICE_READ(PDAC,reg)
#define PDAC_Print(reg)                 DEVICE_PRINT(PDAC,reg)
#define PDAC_Def(mask,value)            DEVICE_DEF(PDAC,mask,value)
#define PDAC_Val(mask,value)            DEVICE_VALUE(PDAC,mask,value)
#define PDAC_Mask(mask)                 DEVICE_MASK(PDAC,mask)

#define PFB_Write(reg,value)            DEVICE_WRITE(PFB,reg,value)
#define PFB_Read(reg)                   DEVICE_READ(PFB,reg)
#define PFB_Print(reg)                  DEVICE_PRINT(PFB,reg)
#define PFB_Def(mask,value)             DEVICE_DEF(PFB,mask,value)
#define PFB_Val(mask,value)             DEVICE_VALUE(PFB,mask,value)
#define PFB_Mask(mask)                  DEVICE_MASK(PFB,mask)

#define PRM_Write(reg,value)            DEVICE_WRITE(PRM,reg,value)
#define PRM_Read(reg)                   DEVICE_READ(PRM,reg)
#define PRM_Print(reg)                  DEVICE_PRINT(PRM,reg)
#define PRM_Def(mask,value)             DEVICE_DEF(PRM,mask,value)
#define PRM_Val(mask,value)             DEVICE_VALUE(PRM,mask,value)
#define PRM_Mask(mask)                  DEVICE_MASK(PRM,mask)

#define PGRAPH_Write(reg,value)         DEVICE_WRITE(PGRAPH,reg,value)
#define PGRAPH_Read(reg)                DEVICE_READ(PGRAPH,reg)
#define PGRAPH_Print(reg)               DEVICE_PRINT(PGRAPH,reg)
#define PGRAPH_Def(mask,value)          DEVICE_DEF(PGRAPH,mask,value)
#define PGRAPH_Val(mask,value)          DEVICE_VALUE(PGRAPH,mask,value)
#define PGRAPH_Mask(mask)               DEVICE_MASK(PGRAPH,mask)

#define PDMA_Write(reg,value)           DEVICE_WRITE(PDMA,reg,value)
#define PDMA_Read(reg)                  DEVICE_READ(PDMA,reg)
#define PDMA_Print(reg)                 DEVICE_PRINT(PDMA,reg)
#define PDMA_Def(mask,value)            DEVICE_DEF(PDMA,mask,value)
#define PDMA_Val(mask,value)            DEVICE_VALUE(PDMA,mask,value)
#define PDMA_Mask(mask)                 DEVICE_MASK(PDMA,mask)

#define PTIMER_Write(reg,value)         DEVICE_WRITE(PTIMER,reg,value)
#define PTIMER_Read(reg)                DEVICE_READ(PTIMER,reg)
#define PTIMER_Print(reg)               DEVICE_PRINT(PTIMER,reg)
#define PTIMER_Def(mask,value)          DEVICE_DEF(PTIMER,mask,value)
#define PTIMER_Val(mask,value)          DEVICE_VALUE(PTIEMR,mask,value)
#define PTIMER_Mask(mask)               DEVICE_MASK(PTIMER,mask)

#define PEXTDEV_Write(reg,value)         DEVICE_WRITE(PEXTDEV,reg,value)
#define PEXTDEV_Read(reg)                DEVICE_READ(PEXTDEV,reg)
#define PEXTDEV_Print(reg)               DEVICE_PRINT(PEXTDEV,reg)
#define PEXTDEV_Def(mask,value)          DEVICE_DEF(PEXTDEV,mask,value)
#define PEXTDEV_Val(mask,value)          DEVICE_VALUE(PEXTDEV,mask,value)
#define PEXTDEV_Mask(mask)               DEVICE_MASK(PEXTDEV,mask)

#define PFIFO_Write(reg,value)          DEVICE_WRITE(PFIFO,reg,value)
#define PFIFO_Read(reg)                 DEVICE_READ(PFIFO,reg)
#define PFIFO_Print(reg)                DEVICE_PRINT(PFIFO,reg)
#define PFIFO_Def(mask,value)           DEVICE_DEF(PFIFO,mask,value)
#define PFIFO_Val(mask,value)           DEVICE_VALUE(PFIFO,mask,value)
#define PFIFO_Mask(mask)                DEVICE_MASK(PFIFO,mask)

#define PRAM_Write(reg,value)           DEVICE_WRITE(PRAM,reg,value)
#define PRAM_Read(reg)                  DEVICE_READ(PRAM,reg)
#define PRAM_Print(reg)                 DEVICE_PRINT(PRAM,reg)
#define PRAM_Def(mask,value)            DEVICE_DEF(PRAM,mask,value)
#define PRAM_Val(mask,value)            DEVICE_VALUE(PRAM,mask,value)
#define PRAM_Mask(mask)                 DEVICE_MASK(PRAM,mask)

#define PRAMFC_Write(reg,value)         DEVICE_WRITE(PRAMFC,reg,value)
#define PRAMFC_Read(reg)                DEVICE_READ(PRAMFC,reg)
#define PRAMFC_Print(reg)               DEVICE_PRINT(PRAMFC,reg)
#define PRAMFC_Def(mask,value)          DEVICE_DEF(PRAMFC,mask,value)
#define PRAMFC_Val(mask,value)          DEVICE_VALUE(PRAMFC,mask,value)
#define PRAMFC_Mask(mask)               DEVICE_MASK(PRAMFC,mask)

#define PMC_Write(reg,value)            DEVICE_WRITE(PMC,reg,value)
#define PMC_Read(reg)                   DEVICE_READ(PMC,reg)
#define PMC_Print(reg)                  DEVICE_PRINT(PMC,reg)
#define PMC_Def(mask,value)             DEVICE_DEF(PMC,mask,value)
#define PMC_Val(mask,value)             DEVICE_VALUE(PMC,mask,value)
#define PMC_Mask(mask)                  DEVICE_MASK(PMC,mask)

#define PMC_Write(reg,value)            DEVICE_WRITE(PMC,reg,value)
#define PMC_Read(reg)                   DEVICE_READ(PMC,reg)
#define PMC_Print(reg)                  DEVICE_PRINT(PMC,reg)
#define PMC_Def(mask,value)             DEVICE_DEF(PMC,mask,value)
#define PMC_Val(mask,value)             DEVICE_VALUE(PMC,mask,value)
#define PMC_Mask(mask)                  DEVICE_MASK(PMC,mask)


#define PBUS_Write(reg,value)         DEVICE_WRITE(PBUS,reg,value)
#define PBUS_Read(reg)                DEVICE_READ(PBUS,reg)
#define PBUS_Print(reg)               DEVICE_PRINT(PBUS,reg)
#define PBUS_Def(mask,value)          DEVICE_DEF(PBUS,mask,value)
#define PBUS_Val(mask,value)          DEVICE_VALUE(PBUS,mask,value)
#define PBUS_Mask(mask)               DEVICE_MASK(PBUS,mask)


#define PRAMDAC_Write(reg,value)         DEVICE_WRITE(PRAMDAC,reg,value)
#define PRAMDAC_Read(reg)                DEVICE_READ(PRAMDAC,reg)
#define PRAMDAC_Print(reg)               DEVICE_PRINT(PRAMDAC,reg)
#define PRAMDAC_Def(mask,value)          DEVICE_DEF(PRAMDAC,mask,value)
#define PRAMDAC_Val(mask,value)          DEVICE_VALUE(PRAMDAC,mask,value)
#define PRAMDAC_Mask(mask)               DEVICE_MASK(PRAMDAC,mask)


#define PDAC_ReadExt(reg) \
  ((PDAC_Write(INDEX_LO,(NV_PDAC_EXT_##reg) & 0xff)),\
  (PDAC_Write(INDEX_HI,((NV_PDAC_EXT_##reg) >> 8) & 0xff)),\
  (PDAC_Read(INDEX_DATA)))

#define PDAC_WriteExt(reg,value)\
  ((PDAC_Write(INDEX_LO,(NV_PDAC_EXT_##reg) & 0xff)),\
  (PDAC_Write(INDEX_HI,((NV_PDAC_EXT_##reg) >> 8) & 0xff)),\
  (PDAC_Write(INDEX_DATA,(value))))

#define CRTC_Write(index,value) outb((index), 0x3d4); outb(value, 0x3d5)
#define CRTC_Read(index) (outb(index, 0x3d4),inb(0x3d5))

#define PCRTC_Write(index,value) CRTC_Write(NV_PCRTC_##index,value)
#define PCRTC_Read(index) CRTC_Read(NV_PCRTC_##index)

#define PCRTC_Def(mask,value)          DEVICE_DEF(PCRTC,mask,value)
#define PCRTC_Val(mask,value)          DEVICE_VALUE(PCRTC,mask,value)
#define PCRTC_Mask(mask)               DEVICE_MASK(PCRTC,mask)

#define SR_Write(index,value) outb(0x3c4,(index));outb(0x3c5,value)
#define SR_Read(index) (outb(0x3c4,index),inb(0x3c5))

extern volatile unsigned  *nvCONTROL;

typedef enum {NV1,NV3,NV4,NumNVChips} NVChipType;

NVChipType GetChipType(void);

#endif
Commit	Line	Data
1da177e4 LT	1	/* $XConsortium: nvreg.h /main/2 1996/10/28 05:13:41 kaleb $ */
	2	/*
	3	* Copyright 1996-1997 David J. McKay
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a
	6	* copy of this software and associated documentation files (the "Software"),
	7	* to deal in the Software without restriction, including without limitation
	8	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	9	* and/or sell copies of the Software, and to permit persons to whom the
	10	* Software is furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice and this permission notice shall be included in
	13	* all copies or substantial portions of the Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* DAVID J. MCKAY BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
	19	* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
	20	* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	21	* SOFTWARE.
	22	*/
	23
	24	/* $XFree86: xc/programs/Xserver/hw/xfree86/vga256/drivers/nv/nvreg.h,v 3.2.2.1 1998/01/18 10:35:36 hohndel Exp $ */
	25
	26	#ifndef __NVREG_H_
	27	#define __NVREG_H_
	28
	29	/* Little macro to construct bitmask for contiguous ranges of bits */
	30	#define BITMASK(t,b) (((unsigned)(1U << (((t)-(b)+1)))-1) << (b))
	31	#define MASKEXPAND(mask) BITMASK(1?mask,0?mask)
	32
	33	/* Macro to set specific bitfields (mask has to be a macro x:y) ! */
	34	#define SetBF(mask,value) ((value) << (0?mask))
	35	#define GetBF(var,mask) (((unsigned)((var) & MASKEXPAND(mask))) >> (0?mask) )
	36
	37	#define MaskAndSetBF(var,mask,value) (var)=(((var)&(~MASKEXPAND(mask)) \
	38	\| SetBF(mask,value)))
	39
	40	#define DEVICE_BASE(device) (0?NV##_##device)
	41	#define DEVICE_SIZE(device) ((1?NV##_##device) - DEVICE_BASE(device)+1)
	42
	43	/* This is where we will have to have conditional compilation */
	44	#define DEVICE_ACCESS(device,reg) \
	45	nvCONTROL[(NV_##device##_##reg)/4]
	46
	47	#define DEVICE_WRITE(device,reg,value) DEVICE_ACCESS(device,reg)=(value)
	48	#define DEVICE_READ(device,reg) DEVICE_ACCESS(device,reg)
	49	#define DEVICE_PRINT(device,reg) \
	50	ErrorF("NV_"#device"_"#reg"=#%08lx\n",DEVICE_ACCESS(device,reg))
	51	#define DEVICE_DEF(device,mask,value) \
	52	SetBF(NV_##device##_##mask,NV_##device##_##mask##_##value)
	53	#define DEVICE_VALUE(device,mask,value) SetBF(NV_##device##_##mask,value)
	54	#define DEVICE_MASK(device,mask) MASKEXPAND(NV_##device##_##mask)
	55
	56	#define PDAC_Write(reg,value) DEVICE_WRITE(PDAC,reg,value)
	57	#define PDAC_Read(reg) DEVICE_READ(PDAC,reg)
	58	#define PDAC_Print(reg) DEVICE_PRINT(PDAC,reg)
	59	#define PDAC_Def(mask,value) DEVICE_DEF(PDAC,mask,value)
	60	#define PDAC_Val(mask,value) DEVICE_VALUE(PDAC,mask,value)
	61	#define PDAC_Mask(mask) DEVICE_MASK(PDAC,mask)
	62
	63	#define PFB_Write(reg,value) DEVICE_WRITE(PFB,reg,value)
	64	#define PFB_Read(reg) DEVICE_READ(PFB,reg)
65	#define PFB_Print(reg) DEVICE_PRINT(PFB,reg)
66	#define PFB_Def(mask,value) DEVICE_DEF(PFB,mask,value)
67	#define PFB_Val(mask,value) DEVICE_VALUE(PFB,mask,value)
68	#define PFB_Mask(mask) DEVICE_MASK(PFB,mask)
69
70	#define PRM_Write(reg,value) DEVICE_WRITE(PRM,reg,value)
71	#define PRM_Read(reg) DEVICE_READ(PRM,reg)
72	#define PRM_Print(reg) DEVICE_PRINT(PRM,reg)
73	#define PRM_Def(mask,value) DEVICE_DEF(PRM,mask,value)
74	#define PRM_Val(mask,value) DEVICE_VALUE(PRM,mask,value)
75	#define PRM_Mask(mask) DEVICE_MASK(PRM,mask)
76
77	#define PGRAPH_Write(reg,value) DEVICE_WRITE(PGRAPH,reg,value)
78	#define PGRAPH_Read(reg) DEVICE_READ(PGRAPH,reg)
79	#define PGRAPH_Print(reg) DEVICE_PRINT(PGRAPH,reg)
80	#define PGRAPH_Def(mask,value) DEVICE_DEF(PGRAPH,mask,value)
81	#define PGRAPH_Val(mask,value) DEVICE_VALUE(PGRAPH,mask,value)
82	#define PGRAPH_Mask(mask) DEVICE_MASK(PGRAPH,mask)
83
84	#define PDMA_Write(reg,value) DEVICE_WRITE(PDMA,reg,value)
85	#define PDMA_Read(reg) DEVICE_READ(PDMA,reg)
86	#define PDMA_Print(reg) DEVICE_PRINT(PDMA,reg)
87	#define PDMA_Def(mask,value) DEVICE_DEF(PDMA,mask,value)
88	#define PDMA_Val(mask,value) DEVICE_VALUE(PDMA,mask,value)
89	#define PDMA_Mask(mask) DEVICE_MASK(PDMA,mask)
90
91	#define PTIMER_Write(reg,value) DEVICE_WRITE(PTIMER,reg,value)
92	#define PTIMER_Read(reg) DEVICE_READ(PTIMER,reg)
93	#define PTIMER_Print(reg) DEVICE_PRINT(PTIMER,reg)
94	#define PTIMER_Def(mask,value) DEVICE_DEF(PTIMER,mask,value)
95	#define PTIMER_Val(mask,value) DEVICE_VALUE(PTIEMR,mask,value)
96	#define PTIMER_Mask(mask) DEVICE_MASK(PTIMER,mask)
97
98	#define PEXTDEV_Write(reg,value) DEVICE_WRITE(PEXTDEV,reg,value)
99	#define PEXTDEV_Read(reg) DEVICE_READ(PEXTDEV,reg)
100	#define PEXTDEV_Print(reg) DEVICE_PRINT(PEXTDEV,reg)
101	#define PEXTDEV_Def(mask,value) DEVICE_DEF(PEXTDEV,mask,value)
102	#define PEXTDEV_Val(mask,value) DEVICE_VALUE(PEXTDEV,mask,value)
103	#define PEXTDEV_Mask(mask) DEVICE_MASK(PEXTDEV,mask)
104
105	#define PFIFO_Write(reg,value) DEVICE_WRITE(PFIFO,reg,value)
106	#define PFIFO_Read(reg) DEVICE_READ(PFIFO,reg)
107	#define PFIFO_Print(reg) DEVICE_PRINT(PFIFO,reg)
108	#define PFIFO_Def(mask,value) DEVICE_DEF(PFIFO,mask,value)
109	#define PFIFO_Val(mask,value) DEVICE_VALUE(PFIFO,mask,value)
110	#define PFIFO_Mask(mask) DEVICE_MASK(PFIFO,mask)
111
112	#define PRAM_Write(reg,value) DEVICE_WRITE(PRAM,reg,value)
113	#define PRAM_Read(reg) DEVICE_READ(PRAM,reg)
114	#define PRAM_Print(reg) DEVICE_PRINT(PRAM,reg)
115	#define PRAM_Def(mask,value) DEVICE_DEF(PRAM,mask,value)
116	#define PRAM_Val(mask,value) DEVICE_VALUE(PRAM,mask,value)
117	#define PRAM_Mask(mask) DEVICE_MASK(PRAM,mask)
118
119	#define PRAMFC_Write(reg,value) DEVICE_WRITE(PRAMFC,reg,value)
120	#define PRAMFC_Read(reg) DEVICE_READ(PRAMFC,reg)
121	#define PRAMFC_Print(reg) DEVICE_PRINT(PRAMFC,reg)
122	#define PRAMFC_Def(mask,value) DEVICE_DEF(PRAMFC,mask,value)
123	#define PRAMFC_Val(mask,value) DEVICE_VALUE(PRAMFC,mask,value)
124	#define PRAMFC_Mask(mask) DEVICE_MASK(PRAMFC,mask)
125
126	#define PMC_Write(reg,value) DEVICE_WRITE(PMC,reg,value)
127	#define PMC_Read(reg) DEVICE_READ(PMC,reg)
128	#define PMC_Print(reg) DEVICE_PRINT(PMC,reg)
129	#define PMC_Def(mask,value) DEVICE_DEF(PMC,mask,value)
130	#define PMC_Val(mask,value) DEVICE_VALUE(PMC,mask,value)
131	#define PMC_Mask(mask) DEVICE_MASK(PMC,mask)
132
133	#define PMC_Write(reg,value) DEVICE_WRITE(PMC,reg,value)
134	#define PMC_Read(reg) DEVICE_READ(PMC,reg)
135	#define PMC_Print(reg) DEVICE_PRINT(PMC,reg)
136	#define PMC_Def(mask,value) DEVICE_DEF(PMC,mask,value)
137	#define PMC_Val(mask,value) DEVICE_VALUE(PMC,mask,value)
138	#define PMC_Mask(mask) DEVICE_MASK(PMC,mask)
139
140
141	#define PBUS_Write(reg,value) DEVICE_WRITE(PBUS,reg,value)
142	#define PBUS_Read(reg) DEVICE_READ(PBUS,reg)
143	#define PBUS_Print(reg) DEVICE_PRINT(PBUS,reg)
144	#define PBUS_Def(mask,value) DEVICE_DEF(PBUS,mask,value)
145	#define PBUS_Val(mask,value) DEVICE_VALUE(PBUS,mask,value)
146	#define PBUS_Mask(mask) DEVICE_MASK(PBUS,mask)
147
148
149	#define PRAMDAC_Write(reg,value) DEVICE_WRITE(PRAMDAC,reg,value)
150	#define PRAMDAC_Read(reg) DEVICE_READ(PRAMDAC,reg)
151	#define PRAMDAC_Print(reg) DEVICE_PRINT(PRAMDAC,reg)
152	#define PRAMDAC_Def(mask,value) DEVICE_DEF(PRAMDAC,mask,value)
153	#define PRAMDAC_Val(mask,value) DEVICE_VALUE(PRAMDAC,mask,value)
154	#define PRAMDAC_Mask(mask) DEVICE_MASK(PRAMDAC,mask)
155
156
157	#define PDAC_ReadExt(reg) \
158	((PDAC_Write(INDEX_LO,(NV_PDAC_EXT_##reg) & 0xff)),\
159	(PDAC_Write(INDEX_HI,((NV_PDAC_EXT_##reg) >> 8) & 0xff)),\
160	(PDAC_Read(INDEX_DATA)))
161
162	#define PDAC_WriteExt(reg,value)\
163	((PDAC_Write(INDEX_LO,(NV_PDAC_EXT_##reg) & 0xff)),\
164	(PDAC_Write(INDEX_HI,((NV_PDAC_EXT_##reg) >> 8) & 0xff)),\
165	(PDAC_Write(INDEX_DATA,(value))))
166
167	#define CRTC_Write(index,value) outb((index), 0x3d4); outb(value, 0x3d5)
168	#define CRTC_Read(index) (outb(index, 0x3d4),inb(0x3d5))
169
170	#define PCRTC_Write(index,value) CRTC_Write(NV_PCRTC_##index,value)
171	#define PCRTC_Read(index) CRTC_Read(NV_PCRTC_##index)
172
173	#define PCRTC_Def(mask,value) DEVICE_DEF(PCRTC,mask,value)
174	#define PCRTC_Val(mask,value) DEVICE_VALUE(PCRTC,mask,value)
175	#define PCRTC_Mask(mask) DEVICE_MASK(PCRTC,mask)
176
177	#define SR_Write(index,value) outb(0x3c4,(index));outb(0x3c5,value)
178	#define SR_Read(index) (outb(0x3c4,index),inb(0x3c5))
179
180	extern volatile unsigned *nvCONTROL;
181
182	typedef enum {NV1,NV3,NV4,NumNVChips} NVChipType;
183
184	NVChipType GetChipType(void);
185
186	#endif
187
188