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1 | /* |
2 | * vrc4173.h, Include file for NEC VRC4173. | |
3 | * | |
4 | * Copyright (C) 2000 Michael R. McDonald | |
5 | * Copyright (C) 2001-2003 Montavista Software Inc. | |
6 | * Author: Yoichi Yuasa <yyuasa@mvista.com, or source@mvista.com> | |
7 | * Copyright (C) 2004 Yoichi Yuasa <yuasa@hh.iij4u.or.jp> | |
8 | * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | */ | |
24 | #ifndef __NEC_VRC4173_H | |
25 | #define __NEC_VRC4173_H | |
26 | ||
27 | #include <linux/config.h> | |
28 | #include <asm/io.h> | |
29 | ||
30 | /* | |
31 | * Interrupt Number | |
32 | */ | |
33 | #define VRC4173_IRQ_BASE 72 | |
34 | #define VRC4173_IRQ(x) (VRC4173_IRQ_BASE + (x)) | |
35 | #define VRC4173_USB_IRQ VRC4173_IRQ(0) | |
36 | #define VRC4173_PCMCIA2_IRQ VRC4173_IRQ(1) | |
37 | #define VRC4173_PCMCIA1_IRQ VRC4173_IRQ(2) | |
38 | #define VRC4173_PS2CH2_IRQ VRC4173_IRQ(3) | |
39 | #define VRC4173_PS2CH1_IRQ VRC4173_IRQ(4) | |
40 | #define VRC4173_PIU_IRQ VRC4173_IRQ(5) | |
41 | #define VRC4173_AIU_IRQ VRC4173_IRQ(6) | |
42 | #define VRC4173_KIU_IRQ VRC4173_IRQ(7) | |
43 | #define VRC4173_GIU_IRQ VRC4173_IRQ(8) | |
44 | #define VRC4173_AC97_IRQ VRC4173_IRQ(9) | |
45 | #define VRC4173_AC97INT1_IRQ VRC4173_IRQ(10) | |
46 | /* RFU */ | |
47 | #define VRC4173_DOZEPIU_IRQ VRC4173_IRQ(13) | |
48 | #define VRC4173_IRQ_LAST VRC4173_DOZEPIU_IRQ | |
49 | ||
50 | /* | |
51 | * PCI I/O accesses | |
52 | */ | |
53 | #ifdef CONFIG_VRC4173 | |
54 | ||
55 | extern unsigned long vrc4173_io_offset; | |
56 | ||
57 | #define set_vrc4173_io_offset(offset) do { vrc4173_io_offset = (offset); } while (0) | |
58 | ||
59 | #define vrc4173_outb(val,port) outb((val), vrc4173_io_offset+(port)) | |
60 | #define vrc4173_outw(val,port) outw((val), vrc4173_io_offset+(port)) | |
61 | #define vrc4173_outl(val,port) outl((val), vrc4173_io_offset+(port)) | |
62 | #define vrc4173_outb_p(val,port) outb_p((val), vrc4173_io_offset+(port)) | |
63 | #define vrc4173_outw_p(val,port) outw_p((val), vrc4173_io_offset+(port)) | |
64 | #define vrc4173_outl_p(val,port) outl_p((val), vrc4173_io_offset+(port)) | |
65 | ||
66 | #define vrc4173_inb(port) inb(vrc4173_io_offset+(port)) | |
67 | #define vrc4173_inw(port) inw(vrc4173_io_offset+(port)) | |
68 | #define vrc4173_inl(port) inl(vrc4173_io_offset+(port)) | |
69 | #define vrc4173_inb_p(port) inb_p(vrc4173_io_offset+(port)) | |
70 | #define vrc4173_inw_p(port) inw_p(vrc4173_io_offset+(port)) | |
71 | #define vrc4173_inl_p(port) inl_p(vrc4173_io_offset+(port)) | |
72 | ||
73 | #define vrc4173_outsb(port,addr,count) outsb(vrc4173_io_offset+(port),(addr),(count)) | |
74 | #define vrc4173_outsw(port,addr,count) outsw(vrc4173_io_offset+(port),(addr),(count)) | |
75 | #define vrc4173_outsl(port,addr,count) outsl(vrc4173_io_offset+(port),(addr),(count)) | |
76 | ||
77 | #define vrc4173_insb(port,addr,count) insb(vrc4173_io_offset+(port),(addr),(count)) | |
78 | #define vrc4173_insw(port,addr,count) insw(vrc4173_io_offset+(port),(addr),(count)) | |
79 | #define vrc4173_insl(port,addr,count) insl(vrc4173_io_offset+(port),(addr),(count)) | |
80 | ||
81 | #else | |
82 | ||
83 | #define set_vrc4173_io_offset(offset) do {} while (0) | |
84 | ||
85 | #define vrc4173_outb(val,port) do {} while (0) | |
86 | #define vrc4173_outw(val,port) do {} while (0) | |
87 | #define vrc4173_outl(val,port) do {} while (0) | |
88 | #define vrc4173_outb_p(val,port) do {} while (0) | |
89 | #define vrc4173_outw_p(val,port) do {} while (0) | |
90 | #define vrc4173_outl_p(val,port) do {} while (0) | |
91 | ||
92 | #define vrc4173_inb(port) 0 | |
93 | #define vrc4173_inw(port) 0 | |
94 | #define vrc4173_inl(port) 0 | |
95 | #define vrc4173_inb_p(port) 0 | |
96 | #define vrc4173_inw_p(port) 0 | |
97 | #define vrc4173_inl_p(port) 0 | |
98 | ||
99 | #define vrc4173_outsb(port,addr,count) do {} while (0) | |
100 | #define vrc4173_outsw(port,addr,count) do {} while (0) | |
101 | #define vrc4173_outsl(port,addr,count) do {} while (0) | |
102 | ||
103 | #define vrc4173_insb(port,addr,count) do {} while (0) | |
104 | #define vrc4173_insw(port,addr,count) do {} while (0) | |
105 | #define vrc4173_insl(port,addr,count) do {} while (0) | |
106 | ||
107 | #endif | |
108 | ||
109 | /* | |
110 | * Clock Mask Unit | |
111 | */ | |
112 | typedef enum vrc4173_clock { | |
113 | VRC4173_PIU_CLOCK, | |
114 | VRC4173_KIU_CLOCK, | |
115 | VRC4173_AIU_CLOCK, | |
116 | VRC4173_PS2_CH1_CLOCK, | |
117 | VRC4173_PS2_CH2_CLOCK, | |
118 | VRC4173_USBU_PCI_CLOCK, | |
119 | VRC4173_CARDU1_PCI_CLOCK, | |
120 | VRC4173_CARDU2_PCI_CLOCK, | |
121 | VRC4173_AC97U_PCI_CLOCK, | |
122 | VRC4173_USBU_48MHz_CLOCK, | |
123 | VRC4173_EXT_48MHz_CLOCK, | |
124 | VRC4173_48MHz_CLOCK, | |
125 | } vrc4173_clock_t; | |
126 | ||
127 | #ifdef CONFIG_VRC4173 | |
128 | ||
129 | extern void vrc4173_supply_clock(vrc4173_clock_t clock); | |
130 | extern void vrc4173_mask_clock(vrc4173_clock_t clock); | |
131 | ||
132 | #else | |
133 | ||
134 | static inline void vrc4173_supply_clock(vrc4173_clock_t clock) {} | |
135 | static inline void vrc4173_mask_clock(vrc4173_clock_t clock) {} | |
136 | ||
137 | #endif | |
138 | ||
139 | /* | |
140 | * Interupt Control Unit | |
141 | */ | |
142 | ||
143 | #define VRC4173_PIUINT_COMMAND 0x0040 | |
144 | #define VRC4173_PIUINT_DATA 0x0020 | |
145 | #define VRC4173_PIUINT_PAGE1 0x0010 | |
146 | #define VRC4173_PIUINT_PAGE0 0x0008 | |
147 | #define VRC4173_PIUINT_DATALOST 0x0004 | |
148 | #define VRC4173_PIUINT_STATUSCHANGE 0x0001 | |
149 | ||
150 | #ifdef CONFIG_VRC4173 | |
151 | ||
152 | extern void vrc4173_enable_piuint(uint16_t mask); | |
153 | extern void vrc4173_disable_piuint(uint16_t mask); | |
154 | ||
155 | #else | |
156 | ||
157 | static inline void vrc4173_enable_piuint(uint16_t mask) {} | |
158 | static inline void vrc4173_disable_piuint(uint16_t mask) {} | |
159 | ||
160 | #endif | |
161 | ||
162 | #define VRC4173_AIUINT_INPUT_DMAEND 0x0800 | |
163 | #define VRC4173_AIUINT_INPUT_DMAHALT 0x0400 | |
164 | #define VRC4173_AIUINT_INPUT_DATALOST 0x0200 | |
165 | #define VRC4173_AIUINT_INPUT_DATA 0x0100 | |
166 | #define VRC4173_AIUINT_OUTPUT_DMAEND 0x0008 | |
167 | #define VRC4173_AIUINT_OUTPUT_DMAHALT 0x0004 | |
168 | #define VRC4173_AIUINT_OUTPUT_NODATA 0x0002 | |
169 | ||
170 | #ifdef CONFIG_VRC4173 | |
171 | ||
172 | extern void vrc4173_enable_aiuint(uint16_t mask); | |
173 | extern void vrc4173_disable_aiuint(uint16_t mask); | |
174 | ||
175 | #else | |
176 | ||
177 | static inline void vrc4173_enable_aiuint(uint16_t mask) {} | |
178 | static inline void vrc4173_disable_aiuint(uint16_t mask) {} | |
179 | ||
180 | #endif | |
181 | ||
182 | #define VRC4173_KIUINT_DATALOST 0x0004 | |
183 | #define VRC4173_KIUINT_DATAREADY 0x0002 | |
184 | #define VRC4173_KIUINT_SCAN 0x0001 | |
185 | ||
186 | #ifdef CONFIG_VRC4173 | |
187 | ||
188 | extern void vrc4173_enable_kiuint(uint16_t mask); | |
189 | extern void vrc4173_disable_kiuint(uint16_t mask); | |
190 | ||
191 | #else | |
192 | ||
193 | static inline void vrc4173_enable_kiuint(uint16_t mask) {} | |
194 | static inline void vrc4173_disable_kiuint(uint16_t mask) {} | |
195 | ||
196 | #endif | |
197 | ||
198 | /* | |
199 | * General-Purpose I/O Unit | |
200 | */ | |
201 | typedef enum vrc4173_function { | |
202 | PS2_CHANNEL1, | |
203 | PS2_CHANNEL2, | |
204 | TOUCHPANEL, | |
205 | KEYBOARD_8SCANLINES, | |
206 | KEYBOARD_10SCANLINES, | |
207 | KEYBOARD_12SCANLINES, | |
208 | GPIO_0_15PINS, | |
209 | GPIO_16_20PINS, | |
210 | } vrc4173_function_t; | |
211 | ||
212 | #ifdef CONFIG_VRC4173 | |
213 | ||
214 | extern void vrc4173_select_function(vrc4173_function_t function); | |
215 | ||
216 | #else | |
217 | ||
218 | static inline void vrc4173_select_function(vrc4173_function_t function) {} | |
219 | ||
220 | #endif | |
221 | ||
222 | #endif /* __NEC_VRC4173_H */ |