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wdenke85390d2002-04-01 14:29:03 +00001/*
2 * (C) Copyright 2000
3 * Rob Taylor, Flying Pig Systems. robt@flyingpig.com.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#ifndef _NS87308_H_
25#define _NS87308_H_
26
27#include <asm/pci_io.h>
28
29/* Note: I couldn't find a full data sheet for the ns87308, but the ns87307 seems to be pretty
30 functionally- (and pin-) equivalent to the 87308, but the 308 has better ir support. */
31
32void initialise_ns87308(void);
33
34/*
35 * The following struct represents the GPIO registers on the NS87308/NS97307
36 */
37struct GPIO
38{
39 unsigned char dta1; /* 0 data port 1 */
40 unsigned char dir1; /* 1 direction port 1 */
41 unsigned char out1; /* 2 output type port 1 */
42 unsigned char puc1; /* 3 pull-up control port 1 */
43 unsigned char dta2; /* 4 data port 2 */
44 unsigned char dir2; /* 5 direction port 2 */
45 unsigned char out2; /* 6 output type port 2 */
46 unsigned char puc2; /* 7 pull-up control port 2 */
47};
48
49/*
50 * The following represents the power management registers on the NS87308/NS97307
51 */
52#define PWM_FER1 0 /* 0 function enable reg. 1 */
53#define PWM_FER2 1 /* 1 function enable reg. 2 */
54#define PWM_PMC1 2 /* 2 power mgmt. control 1 */
55#define PWM_PMC2 3 /* 3 power mgmt. control 2 */
56#define PWM_PMC3 4 /* 4 power mgmt. control 3 */
57#define PWM_WDTO 5 /* 5 watchdog time-out */
58#define PWM_WDCF 6 /* 6 watchdog config. */
59#define PWM_WDST 7 /* 7 watchdog status */
60
61/*PNP config registers:
62 * these depend on the stated of BADDR1 and BADDR0 on startup
63 * so there's three versions here with the last two digits indicating
64 * for which configuration their valid
65 * the 1st of the two digits indicates the state of BADDR1
66 * the 2st of the two digits indicates the state of BADDR0
67 */
68
69
70#define IO_INDEX_OFFSET_0x 0x0279 /* full PnP isa Mode */
71#define IO_INDEX_OFFSET_10 0x015C /* PnP motherboard mode */
72#define IO_INDEX_OFFSET_11 0x002E /* PnP motherboard mode */
73#define IO_DATA_OFFSET_0x 0x0A79 /* full PnP isa Mode */
74#define IO_DATA_OFFSET_10 0x015D /* PnP motherboard mode */
75#define IO_DATA_OFFSET_11 0x002F /* PnP motherboard mode */
76
77#if defined(CFG_NS87308_BADDR_0x)
78#define IO_INDEX (CFG_ISA_IO + IO_INDEX_OFFSET_0x)
79#define IO_DATA (CFG_ISA_IO + IO_DATA_OFFSET_0x)
80#elif defined(CFG_NS87308_BADDR_10)
81#define IO_INDEX (CFG_ISA_IO + IO_INDEX_OFFSET_10)
82#define IO_DATA (CFG_ISA_IO + IO_DATA_OFFSET_10)
83#elif defined(CFG_NS87308_BADDR_11)
84#define IO_INDEX (CFG_ISA_IO + IO_INDEX_OFFSET_11)
85#define IO_DATA (CFG_ISA_IO + IO_DATA_OFFSET_11)
86#endif
87
88/* PnP register definitions */
89
90#define SET_RD_DATA_PORT 0x00
91#define SERIAL_ISOLATION 0x01
92#define CONFIG_CONTROL 0x02
93#define WAKE_CSN 0x03
94#define RES_DATA 0x04
95#define STATUS 0x05
96#define SET_CSN 0x06
97#define LOGICAL_DEVICE 0x07
98
99/*vendor defined values */
100#define SID_REG 0x20
101#define SUPOERIO_CONF1 0x21
102#define SUPOERIO_CONF2 0x22
103#define PGCS_INDEX 0x23
104#define PGCS_DATA 0x24
105
106/* values above 30 are different for each logical device
107 but I can't be arsed to enter them all. the ones here
108 are pretty consistent between all logical devices
109 feel free to correct the situation if you want.. ;)
110 */
111#define ACTIVATE 0x30
112#define ACTIVATE_OFF 0x00
113#define ACTIVATE_ON 0x01
114
115#define BASE_ADDR_HIGH 0x60
116#define BASE_ADDR_LOW 0x61
117#define LUN_CONFIG_REG 0xF0
118#define DBASE_HIGH 0x60 /* SIO KBC data base address, 15:8 */
119#define DBASE_LOW 0x61 /* SIO KBC data base address, 7:0 */
120#define CBASE_HIGH 0x62 /* SIO KBC command base addr, 15:8 */
121#define CBASE_LOW 0x63 /* SIO KBC command base addr, 7:0 */
122
123/* the logical devices*/
124#define LDEV_KBC1 0x00 /* 2 devices for keyboard and mouse controller*/
125#define LDEV_KBC2 0x01
126#define LDEV_MOUSE 0x01
127#define LDEV_RTC_APC 0x02 /*Real Time Clock and Advanced Power Control*/
128#define LDEV_FDC 0x03 /*floppy disk controller*/
129#define LDEV_PARP 0x04 /*Parallel port*/
130#define LDEV_UART2 0x05
131#define LDEV_UART1 0x06
132#define LDEV_GPIO 0x07 /*General Purpose IO and chip select output signals*/
133#define LDEV_POWRMAN 0x08 /*Power Managment*/
134
135#define CFG_NS87308_KBC1 (1 << LDEV_KBC1)
136#define CFG_NS87308_KBC2 (1 << LDEV_KBC2)
137#define CFG_NS87308_MOUSE (1 << LDEV_MOUSE)
138#define CFG_NS87308_RTC_APC (1 << LDEV_RTC_APC)
139#define CFG_NS87308_FDC (1 << LDEV_FDC)
140#define CFG_NS87308_PARP (1 << LDEV_PARP)
141#define CFG_NS87308_UART2 (1 << LDEV_UART2)
142#define CFG_NS87308_UART1 (1 << LDEV_UART1)
143#define CFG_NS87308_GPIO (1 << LDEV_GPIO)
144#define CFG_NS87308_POWRMAN (1 << LDEV_POWRMAN)
145
146/*some functions and macro's for doing configuration */
147
148static inline void read_pnp_config(unsigned char index, unsigned char *data)
149{
150 pci_writeb(index,IO_INDEX);
151 pci_readb(IO_DATA, *data);
152}
153
154static inline void write_pnp_config(unsigned char index, unsigned char data)
155{
156 pci_writeb(index,IO_INDEX);
157 pci_writeb(data, IO_DATA);
158}
159
160static inline void pnp_set_device(unsigned char dev)
161{
162 write_pnp_config(LOGICAL_DEVICE, dev);
163}
164
165static inline void write_pm_reg(unsigned short base, unsigned char index, unsigned char data)
166{
167 pci_writeb(index, CFG_ISA_IO + base);
168 eieio();
169 pci_writeb(data, CFG_ISA_IO + base + 1);
170}
171
172/*void write_pnp_config(unsigned char index, unsigned char data);
173void pnp_set_device(unsigned char dev);
174*/
175
176#define PNP_SET_DEVICE_BASE(dev,base) \
177 pnp_set_device(dev); \
178 write_pnp_config(ACTIVATE, ACTIVATE_OFF); \
179 write_pnp_config(BASE_ADDR_HIGH, ((base) >> 8) & 0xff ); \
180 write_pnp_config(BASE_ADDR_LOW, (base) &0xff); \
181 write_pnp_config(ACTIVATE, ACTIVATE_ON);
182
183#define PNP_ACTIVATE_DEVICE(dev) \
184 pnp_set_device(dev); \
185 write_pnp_config(ACTIVATE, ACTIVATE_ON);
186
187#define PNP_DEACTIVATE_DEVICE(dev) \
188 pnp_set_device(dev); \
189 write_pnp_config(ACTIVATE, ACTIVATE_OFF);
190
191
192static inline void write_pgcs_config(unsigned char index, unsigned char data)
193{
194 write_pnp_config(PGCS_INDEX, index);
195 write_pnp_config(PGCS_DATA, data);
196}
197
198/* these macrose configure the 3 CS lines
199 on the sandpoint board these controll NVRAM
200 CS0 is connected to NVRAMCS
201 CS1 is connected to NVRAMAS0
202 CS2 is connected to NVRAMAS1
203 */
204#define PGCS_CS_ASSERT_ON_WRITE 0x10
205#define PGCS_CS_ASSERT_ON_READ 0x20
206
207#define PNP_PGCS_CSLINE_BASE(cs, base) \
208 write_pgcs_config((cs) << 2, ((base) >> 8) & 0xff ); \
209 write_pgcs_config(((cs) << 2) + 1, (base) & 0xff );
210
211#define PNP_PGCS_CSLINE_CONF(cs, conf) \
212 write_pgcs_config(((cs) << 2) + 2, (conf) );
213
214
215/* The following sections are for 87308 extensions to the standard compoents it emulates */
216
217/* extensions to 16550*/
218
219#define MCR_MDSL_MSK 0xe0 /*mode select mask*/
220#define MCR_MDSL_UART 0x00 /*uart, default*/
221#define MCR_MDSL_SHRPIR 0x02 /*Sharp IR*/
222#define MCR_MDSL_SIR 0x03 /*SIR*/
223#define MCR_MDSL_CIR 0x06 /*Consumer IR*/
224
225#define FCR_TXFTH0 0x10 /* these bits control threshod of data level in fifo */
226#define FCR_TXFTH1 0x20 /* for interrupt trigger */
227
228/*
229 * Default NS87308 configuration
230 */
231#ifndef CFG_NS87308_KBC1_BASE
232#define CFG_NS87308_KBC1_BASE 0x0060
233#endif
234#ifndef CFG_NS87308_RTC_BASE
235#define CFG_NS87308_RTC_BASE 0x0070
236#endif
237#ifndef CFG_NS87308_FDC_BASE
238#define CFG_NS87308_FDC_BASE 0x03F0
239#endif
240#ifndef CFG_NS87308_LPT_BASE
241#define CFG_NS87308_LPT_BASE 0x0278
242#endif
243#ifndef CFG_NS87308_UART1_BASE
244#define CFG_NS87308_UART1_BASE 0x03F8
245#endif
246#ifndef CFG_NS87308_UART2_BASE
247#define CFG_NS87308_UART2_BASE 0x02F8
248#endif
249
250#endif /*_NS87308_H_*/