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1da177e4 LT |
1 | /* |
2 | * ricoh.h 1.9 1999/10/25 20:03:34 | |
3 | * | |
4 | * The contents of this file are subject to the Mozilla Public License | |
5 | * Version 1.1 (the "License"); you may not use this file except in | |
6 | * compliance with the License. You may obtain a copy of the License | |
7 | * at http://www.mozilla.org/MPL/ | |
8 | * | |
9 | * Software distributed under the License is distributed on an "AS IS" | |
10 | * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See | |
11 | * the License for the specific language governing rights and | |
12 | * limitations under the License. | |
13 | * | |
14 | * The initial developer of the original code is David A. Hinds | |
15 | * <[email protected]>. Portions created by David A. Hinds | |
16 | * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. | |
17 | * | |
18 | * Alternatively, the contents of this file may be used under the | |
19 | * terms of the GNU General Public License version 2 (the "GPL"), in which | |
20 | * case the provisions of the GPL are applicable instead of the | |
21 | * above. If you wish to allow the use of your version of this file | |
22 | * only under the terms of the GPL and not to allow others to use | |
23 | * your version of this file under the MPL, indicate your decision by | |
24 | * deleting the provisions above and replace them with the notice and | |
25 | * other provisions required by the GPL. If you do not delete the | |
26 | * provisions above, a recipient may use your version of this file | |
27 | * under either the MPL or the GPL. | |
28 | */ | |
29 | ||
30 | #ifndef _LINUX_RICOH_H | |
31 | #define _LINUX_RICOH_H | |
32 | ||
33 | ||
34 | #define RF5C_MODE_CTL 0x1f /* Mode control */ | |
35 | #define RF5C_PWR_CTL 0x2f /* Mixed voltage control */ | |
36 | #define RF5C_CHIP_ID 0x3a /* Chip identification */ | |
37 | #define RF5C_MODE_CTL_3 0x3b /* Mode control 3 */ | |
38 | ||
39 | /* I/O window address offset */ | |
40 | #define RF5C_IO_OFF(w) (0x36+((w)<<1)) | |
41 | ||
42 | /* Flags for RF5C_MODE_CTL */ | |
43 | #define RF5C_MODE_ATA 0x01 /* ATA mode */ | |
44 | #define RF5C_MODE_LED_ENA 0x02 /* IRQ 12 is LED */ | |
45 | #define RF5C_MODE_CA21 0x04 | |
46 | #define RF5C_MODE_CA22 0x08 | |
47 | #define RF5C_MODE_CA23 0x10 | |
48 | #define RF5C_MODE_CA24 0x20 | |
49 | #define RF5C_MODE_CA25 0x40 | |
50 | #define RF5C_MODE_3STATE_BIT7 0x80 | |
51 | ||
52 | /* Flags for RF5C_PWR_CTL */ | |
53 | #define RF5C_PWR_VCC_3V 0x01 | |
54 | #define RF5C_PWR_IREQ_HIGH 0x02 | |
55 | #define RF5C_PWR_INPACK_ENA 0x04 | |
56 | #define RF5C_PWR_5V_DET 0x08 | |
57 | #define RF5C_PWR_TC_SEL 0x10 /* Terminal Count: irq 11 or 15 */ | |
58 | #define RF5C_PWR_DREQ_LOW 0x20 | |
59 | #define RF5C_PWR_DREQ_OFF 0x00 /* DREQ steering control */ | |
60 | #define RF5C_PWR_DREQ_INPACK 0x40 | |
61 | #define RF5C_PWR_DREQ_SPKR 0x80 | |
62 | #define RF5C_PWR_DREQ_IOIS16 0xc0 | |
63 | ||
64 | /* Values for RF5C_CHIP_ID */ | |
65 | #define RF5C_CHIP_RF5C296 0x32 | |
66 | #define RF5C_CHIP_RF5C396 0xb2 | |
67 | ||
68 | /* Flags for RF5C_MODE_CTL_3 */ | |
69 | #define RF5C_MCTL3_DISABLE 0x01 /* Disable PCMCIA interface */ | |
70 | #define RF5C_MCTL3_DMA_ENA 0x02 | |
71 | ||
72 | /* Register definitions for Ricoh PCI-to-CardBus bridges */ | |
73 | ||
74 | /* Extra bits in CB_BRIDGE_CONTROL */ | |
75 | #define RL5C46X_BCR_3E0_ENA 0x0800 | |
76 | #define RL5C46X_BCR_3E2_ENA 0x1000 | |
77 | ||
78 | /* Bridge Configuration Register */ | |
79 | #define RL5C4XX_CONFIG 0x80 /* 16 bit */ | |
80 | #define RL5C4XX_CONFIG_IO_1_MODE 0x0200 | |
81 | #define RL5C4XX_CONFIG_IO_0_MODE 0x0100 | |
82 | #define RL5C4XX_CONFIG_PREFETCH 0x0001 | |
83 | ||
84 | /* Misc Control Register */ | |
85 | #define RL5C4XX_MISC 0x0082 /* 16 bit */ | |
86 | #define RL5C4XX_MISC_HW_SUSPEND_ENA 0x0002 | |
87 | #define RL5C4XX_MISC_VCCEN_POL 0x0100 | |
88 | #define RL5C4XX_MISC_VPPEN_POL 0x0200 | |
89 | #define RL5C46X_MISC_SUSPEND 0x0001 | |
90 | #define RL5C46X_MISC_PWR_SAVE_2 0x0004 | |
91 | #define RL5C46X_MISC_IFACE_BUSY 0x0008 | |
92 | #define RL5C46X_MISC_B_LOCK 0x0010 | |
93 | #define RL5C46X_MISC_A_LOCK 0x0020 | |
94 | #define RL5C46X_MISC_PCI_LOCK 0x0040 | |
95 | #define RL5C47X_MISC_IFACE_BUSY 0x0004 | |
96 | #define RL5C47X_MISC_PCI_INT_MASK 0x0018 | |
97 | #define RL5C47X_MISC_PCI_INT_DIS 0x0020 | |
98 | #define RL5C47X_MISC_SUBSYS_WR 0x0040 | |
99 | #define RL5C47X_MISC_SRIRQ_ENA 0x0080 | |
100 | #define RL5C47X_MISC_5V_DISABLE 0x0400 | |
101 | #define RL5C47X_MISC_LED_POL 0x0800 | |
102 | ||
103 | /* 16-bit Interface Control Register */ | |
104 | #define RL5C4XX_16BIT_CTL 0x0084 /* 16 bit */ | |
105 | #define RL5C4XX_16CTL_IO_TIMING 0x0100 | |
106 | #define RL5C4XX_16CTL_MEM_TIMING 0x0200 | |
107 | #define RL5C46X_16CTL_LEVEL_1 0x0010 | |
108 | #define RL5C46X_16CTL_LEVEL_2 0x0020 | |
109 | ||
110 | /* 16-bit IO and memory timing registers */ | |
111 | #define RL5C4XX_16BIT_IO_0 0x0088 /* 16 bit */ | |
112 | #define RL5C4XX_16BIT_MEM_0 0x008a /* 16 bit */ | |
113 | #define RL5C4XX_SETUP_MASK 0x0007 | |
114 | #define RL5C4XX_SETUP_SHIFT 0 | |
115 | #define RL5C4XX_CMD_MASK 0x01f0 | |
116 | #define RL5C4XX_CMD_SHIFT 4 | |
117 | #define RL5C4XX_HOLD_MASK 0x1c00 | |
118 | #define RL5C4XX_HOLD_SHIFT 10 | |
119 | #define RL5C4XX_MISC_CONTROL 0x2F /* 8 bit */ | |
120 | #define RL5C4XX_ZV_ENABLE 0x08 | |
121 | ||
122 | #ifdef __YENTA_H | |
123 | ||
124 | #define rl_misc(socket) ((socket)->private[0]) | |
125 | #define rl_ctl(socket) ((socket)->private[1]) | |
126 | #define rl_io(socket) ((socket)->private[2]) | |
127 | #define rl_mem(socket) ((socket)->private[3]) | |
128 | #define rl_config(socket) ((socket)->private[4]) | |
129 | ||
130 | static void ricoh_zoom_video(struct pcmcia_socket *sock, int onoff) | |
131 | { | |
132 | u8 reg; | |
133 | struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); | |
134 | ||
135 | reg = config_readb(socket, RL5C4XX_MISC_CONTROL); | |
136 | if (onoff) | |
137 | /* Zoom zoom, we will all go together, zoom zoom, zoom zoom */ | |
138 | reg |= RL5C4XX_ZV_ENABLE; | |
139 | else | |
140 | reg &= ~RL5C4XX_ZV_ENABLE; | |
141 | ||
142 | config_writeb(socket, RL5C4XX_MISC_CONTROL, reg); | |
143 | } | |
144 | ||
145 | static void ricoh_set_zv(struct yenta_socket *socket) | |
146 | { | |
147 | if(socket->dev->vendor == PCI_VENDOR_ID_RICOH) | |
148 | { | |
149 | switch(socket->dev->device) | |
150 | { | |
151 | /* There may be more .. */ | |
152 | case PCI_DEVICE_ID_RICOH_RL5C478: | |
153 | socket->socket.zoom_video = ricoh_zoom_video; | |
154 | break; | |
155 | } | |
156 | } | |
157 | } | |
158 | ||
159 | static void ricoh_save_state(struct yenta_socket *socket) | |
160 | { | |
161 | rl_misc(socket) = config_readw(socket, RL5C4XX_MISC); | |
162 | rl_ctl(socket) = config_readw(socket, RL5C4XX_16BIT_CTL); | |
163 | rl_io(socket) = config_readw(socket, RL5C4XX_16BIT_IO_0); | |
164 | rl_mem(socket) = config_readw(socket, RL5C4XX_16BIT_MEM_0); | |
165 | rl_config(socket) = config_readw(socket, RL5C4XX_CONFIG); | |
166 | } | |
167 | ||
168 | static void ricoh_restore_state(struct yenta_socket *socket) | |
169 | { | |
170 | config_writew(socket, RL5C4XX_MISC, rl_misc(socket)); | |
171 | config_writew(socket, RL5C4XX_16BIT_CTL, rl_ctl(socket)); | |
172 | config_writew(socket, RL5C4XX_16BIT_IO_0, rl_io(socket)); | |
173 | config_writew(socket, RL5C4XX_16BIT_MEM_0, rl_mem(socket)); | |
174 | config_writew(socket, RL5C4XX_CONFIG, rl_config(socket)); | |
175 | } | |
176 | ||
177 | ||
178 | /* | |
179 | * Magic Ricoh initialization code.. | |
180 | */ | |
181 | static int ricoh_override(struct yenta_socket *socket) | |
182 | { | |
183 | u16 config, ctl; | |
184 | ||
185 | config = config_readw(socket, RL5C4XX_CONFIG); | |
186 | ||
187 | /* Set the default timings, don't trust the original values */ | |
188 | ctl = RL5C4XX_16CTL_IO_TIMING | RL5C4XX_16CTL_MEM_TIMING; | |
189 | ||
190 | if(socket->dev->device < PCI_DEVICE_ID_RICOH_RL5C475) { | |
191 | ctl |= RL5C46X_16CTL_LEVEL_1 | RL5C46X_16CTL_LEVEL_2; | |
192 | } else { | |
193 | config |= RL5C4XX_CONFIG_PREFETCH; | |
194 | } | |
195 | ||
196 | config_writew(socket, RL5C4XX_16BIT_CTL, ctl); | |
197 | config_writew(socket, RL5C4XX_CONFIG, config); | |
198 | ||
199 | ricoh_set_zv(socket); | |
200 | ||
201 | return 0; | |
202 | } | |
203 | ||
204 | #endif /* CONFIG_CARDBUS */ | |
205 | ||
206 | #endif /* _LINUX_RICOH_H */ |