1 /**
2  * \file server/radeon_macros.h
3  * \brief Macros for Radeon MMIO operation.
4  *
5  * \authors Kevin E. Martin <martin@xfree86.org>
6  * \authors Rickard E. Faith <faith@valinux.com>
7  * \authors Alan Hourihane <alanh@fairlite.demon.co.uk>
8  */
9 
10 /*
11  * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
12  *                VA Linux Systems Inc., Fremont, California.
13  *
14  * All Rights Reserved.
15  *
16  * Permission is hereby granted, free of charge, to any person obtaining
17  * a copy of this software and associated documentation files (the
18  * "Software"), to deal in the Software without restriction, including
19  * without limitation on the rights to use, copy, modify, merge,
20  * publish, distribute, sublicense, and/or sell copies of the Software,
21  * and to permit persons to whom the Software is furnished to do so,
22  * subject to the following conditions:
23  *
24  * The above copyright notice and this permission notice (including the
25  * next paragraph) shall be included in all copies or substantial
26  * portions of the Software.
27  *
28  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
29  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
30  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
31  * NON-INFRINGEMENT.  IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
32  * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
33  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
34  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
35  * DEALINGS IN THE SOFTWARE.
36  */
37 
38 
39 #ifndef _RADEON_MACROS_H_
40 #define _RADEON_MACROS_H_
41 
42 #include <mmio.h>
43 
44 #  define MMIO_IN8(base, offset) \
45 	*(volatile unsigned char *)(((unsigned char*)(base)) + (offset))
46 #  define MMIO_IN32(base, offset) \
47 	read_MMIO_LE32(base, offset)
48 #  define MMIO_OUT8(base, offset, val) \
49 	*(volatile unsigned char *)(((unsigned char*)(base)) + (offset)) = (val)
50 #  define MMIO_OUT32(base, offset, val) \
51 	*(volatile unsigned int *)(void *)(((unsigned char*)(base)) + (offset)) = CPU_TO_LE32(val)
52 
53 
54 				/* Memory mapped register access macros */
55 #define INREG8(addr)        MMIO_IN8(RADEONMMIO, addr)
56 #define INREG(addr)         MMIO_IN32(RADEONMMIO, addr)
57 #define OUTREG8(addr, val)  MMIO_OUT8(RADEONMMIO, addr, val)
58 #define OUTREG(addr, val)   MMIO_OUT32(RADEONMMIO, addr, val)
59 
60 #define ADDRREG(addr)       ((volatile GLuint *)(pointer)(RADEONMMIO + (addr)))
61 
62 
63 #define OUTREGP(addr, val, mask)					\
64 do {									\
65     GLuint tmp = INREG(addr);						\
66     tmp &= (mask);							\
67     tmp |= (val);							\
68     OUTREG(addr, tmp);							\
69 } while (0)
70 
71 #define INPLL(dpy, addr) RADEONINPLL(dpy, addr)
72 
73 #define OUTPLL(addr, val)						\
74 do {									\
75     OUTREG8(RADEON_CLOCK_CNTL_INDEX, (((addr) & 0x3f) |			\
76 				      RADEON_PLL_WR_EN));		\
77     OUTREG(RADEON_CLOCK_CNTL_DATA, val);				\
78 } while (0)
79 
80 #define OUTPLLP(dpy, addr, val, mask)					\
81 do {									\
82     GLuint tmp = INPLL(dpy, addr);					\
83     tmp &= (mask);							\
84     tmp |= (val);							\
85     OUTPLL(addr, tmp);							\
86 } while (0)
87 
88 #define OUTPAL_START(idx)						\
89 do {									\
90     OUTREG8(RADEON_PALETTE_INDEX, (idx));				\
91 } while (0)
92 
93 #define OUTPAL_NEXT(r, g, b)						\
94 do {									\
95     OUTREG(RADEON_PALETTE_DATA, ((r) << 16) | ((g) << 8) | (b));	\
96 } while (0)
97 
98 #define OUTPAL_NEXT_CARD32(v)						\
99 do {									\
100     OUTREG(RADEON_PALETTE_DATA, (v & 0x00ffffff));			\
101 } while (0)
102 
103 #define OUTPAL(idx, r, g, b)						\
104 do {									\
105     OUTPAL_START((idx));						\
106     OUTPAL_NEXT((r), (g), (b));						\
107 } while (0)
108 
109 #define INPAL_START(idx)						\
110 do {									\
111     OUTREG(RADEON_PALETTE_INDEX, (idx) << 16);				\
112 } while (0)
113 
114 #define INPAL_NEXT() INREG(RADEON_PALETTE_DATA)
115 
116 #define PAL_SELECT(idx)							\
117 do {									\
118     if (!idx) {								\
119 	OUTREG(RADEON_DAC_CNTL2, INREG(RADEON_DAC_CNTL2) &		\
120 	       (GLuint)~RADEON_DAC2_PALETTE_ACC_CTL);			\
121     } else {								\
122 	OUTREG(RADEON_DAC_CNTL2, INREG(RADEON_DAC_CNTL2) |		\
123 	       RADEON_DAC2_PALETTE_ACC_CTL);				\
124     }									\
125 } while (0)
126 
127 
128 #endif
129