1
2
3
4
5
6
7
8
9
10
11
12
13
14
15#include <linux/init.h>
16#include "hisax.h"
17#include "isac.h"
18#include "hscx.h"
19#include "isdnl1.h"
20
21static const char *sportster_revision = "$Revision: 1.16.2.4 $";
22
23#define byteout(addr,val) outb(val,addr)
24#define bytein(addr) inb(addr)
25
26#define SPORTSTER_ISAC 0xC000
27#define SPORTSTER_HSCXA 0x0000
28#define SPORTSTER_HSCXB 0x4000
29#define SPORTSTER_RES_IRQ 0x8000
30#define SPORTSTER_RESET 0x80
31#define SPORTSTER_INTE 0x40
32
33static inline int
34calc_off(unsigned int base, unsigned int off)
35{
36 return(base + ((off & 0xfc)<<8) + ((off & 3)<<1));
37}
38
39static inline void
40read_fifo(unsigned int adr, u_char * data, int size)
41{
42 insb(adr, data, size);
43}
44
45static void
46write_fifo(unsigned int adr, u_char * data, int size)
47{
48 outsb(adr, data, size);
49}
50
51
52
53static u_char
54ReadISAC(struct IsdnCardState *cs, u_char offset)
55{
56 return (bytein(calc_off(cs->hw.spt.isac, offset)));
57}
58
59static void
60WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
61{
62 byteout(calc_off(cs->hw.spt.isac, offset), value);
63}
64
65static void
66ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
67{
68 read_fifo(cs->hw.spt.isac, data, size);
69}
70
71static void
72WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
73{
74 write_fifo(cs->hw.spt.isac, data, size);
75}
76
77static u_char
78ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
79{
80 return (bytein(calc_off(cs->hw.spt.hscx[hscx], offset)));
81}
82
83static void
84WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
85{
86 byteout(calc_off(cs->hw.spt.hscx[hscx], offset), value);
87}
88
89
90
91
92
93#define READHSCX(cs, nr, reg) bytein(calc_off(cs->hw.spt.hscx[nr], reg))
94#define WRITEHSCX(cs, nr, reg, data) byteout(calc_off(cs->hw.spt.hscx[nr], reg), data)
95#define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo(cs->hw.spt.hscx[nr], ptr, cnt)
96#define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo(cs->hw.spt.hscx[nr], ptr, cnt)
97
98#include "hscx_irq.c"
99
100static irqreturn_t
101sportster_interrupt(int intno, void *dev_id)
102{
103 struct IsdnCardState *cs = dev_id;
104 u_char val;
105 u_long flags;
106
107 spin_lock_irqsave(&cs->lock, flags);
108 val = READHSCX(cs, 1, HSCX_ISTA);
109 Start_HSCX:
110 if (val)
111 hscx_int_main(cs, val);
112 val = ReadISAC(cs, ISAC_ISTA);
113 Start_ISAC:
114 if (val)
115 isac_interrupt(cs, val);
116 val = READHSCX(cs, 1, HSCX_ISTA);
117 if (val) {
118 if (cs->debug & L1_DEB_HSCX)
119 debugl1(cs, "HSCX IntStat after IntRoutine");
120 goto Start_HSCX;
121 }
122 val = ReadISAC(cs, ISAC_ISTA);
123 if (val) {
124 if (cs->debug & L1_DEB_ISAC)
125 debugl1(cs, "ISAC IntStat after IntRoutine");
126 goto Start_ISAC;
127 }
128
129 bytein(cs->hw.spt.cfg_reg + SPORTSTER_RES_IRQ +1);
130 spin_unlock_irqrestore(&cs->lock, flags);
131 return IRQ_HANDLED;
132}
133
134static void
135release_io_sportster(struct IsdnCardState *cs)
136{
137 int i, adr;
138
139 byteout(cs->hw.spt.cfg_reg + SPORTSTER_RES_IRQ, 0);
140 for (i=0; i<64; i++) {
141 adr = cs->hw.spt.cfg_reg + i *1024;
142 release_region(adr, 8);
143 }
144}
145
146static void
147reset_sportster(struct IsdnCardState *cs)
148{
149 cs->hw.spt.res_irq |= SPORTSTER_RESET;
150 byteout(cs->hw.spt.cfg_reg + SPORTSTER_RES_IRQ, cs->hw.spt.res_irq);
151 mdelay(10);
152 cs->hw.spt.res_irq &= ~SPORTSTER_RESET;
153 byteout(cs->hw.spt.cfg_reg + SPORTSTER_RES_IRQ, cs->hw.spt.res_irq);
154 mdelay(10);
155}
156
157static int
158Sportster_card_msg(struct IsdnCardState *cs, int mt, void *arg)
159{
160 u_long flags;
161
162 switch (mt) {
163 case CARD_RESET:
164 spin_lock_irqsave(&cs->lock, flags);
165 reset_sportster(cs);
166 spin_unlock_irqrestore(&cs->lock, flags);
167 return(0);
168 case CARD_RELEASE:
169 release_io_sportster(cs);
170 return(0);
171 case CARD_INIT:
172 spin_lock_irqsave(&cs->lock, flags);
173 reset_sportster(cs);
174 inithscxisac(cs, 1);
175 cs->hw.spt.res_irq |= SPORTSTER_INTE;
176 byteout(cs->hw.spt.cfg_reg + SPORTSTER_RES_IRQ, cs->hw.spt.res_irq);
177 inithscxisac(cs, 2);
178 spin_unlock_irqrestore(&cs->lock, flags);
179 return(0);
180 case CARD_TEST:
181 return(0);
182 }
183 return(0);
184}
185
186static int __devinit
187get_io_range(struct IsdnCardState *cs)
188{
189 int i, j, adr;
190
191 for (i=0;i<64;i++) {
192 adr = cs->hw.spt.cfg_reg + i *1024;
193 if (!request_region(adr, 8, "sportster")) {
194 printk(KERN_WARNING "HiSax: USR Sportster config port "
195 "%x-%x already in use\n",
196 adr, adr + 8);
197 break;
198 }
199 }
200 if (i==64)
201 return(1);
202 else {
203 for (j=0; j<i; j++) {
204 adr = cs->hw.spt.cfg_reg + j *1024;
205 release_region(adr, 8);
206 }
207 return(0);
208 }
209}
210
211int __devinit
212setup_sportster(struct IsdnCard *card)
213{
214 struct IsdnCardState *cs = card->cs;
215 char tmp[64];
216
217 strcpy(tmp, sportster_revision);
218 printk(KERN_INFO "HiSax: USR Sportster driver Rev. %s\n", HiSax_getrev(tmp));
219 if (cs->typ != ISDN_CTYPE_SPORTSTER)
220 return (0);
221
222 cs->hw.spt.cfg_reg = card->para[1];
223 cs->irq = card->para[0];
224 if (!get_io_range(cs))
225 return (0);
226 cs->hw.spt.isac = cs->hw.spt.cfg_reg + SPORTSTER_ISAC;
227 cs->hw.spt.hscx[0] = cs->hw.spt.cfg_reg + SPORTSTER_HSCXA;
228 cs->hw.spt.hscx[1] = cs->hw.spt.cfg_reg + SPORTSTER_HSCXB;
229
230 switch(cs->irq) {
231 case 5: cs->hw.spt.res_irq = 1;
232 break;
233 case 7: cs->hw.spt.res_irq = 2;
234 break;
235 case 10:cs->hw.spt.res_irq = 3;
236 break;
237 case 11:cs->hw.spt.res_irq = 4;
238 break;
239 case 12:cs->hw.spt.res_irq = 5;
240 break;
241 case 14:cs->hw.spt.res_irq = 6;
242 break;
243 case 15:cs->hw.spt.res_irq = 7;
244 break;
245 default:release_io_sportster(cs);
246 printk(KERN_WARNING "Sportster: wrong IRQ\n");
247 return(0);
248 }
249 printk(KERN_INFO "HiSax: USR Sportster config irq:%d cfg:0x%X\n",
250 cs->irq, cs->hw.spt.cfg_reg);
251 setup_isac(cs);
252 cs->readisac = &ReadISAC;
253 cs->writeisac = &WriteISAC;
254 cs->readisacfifo = &ReadISACfifo;
255 cs->writeisacfifo = &WriteISACfifo;
256 cs->BC_Read_Reg = &ReadHSCX;
257 cs->BC_Write_Reg = &WriteHSCX;
258 cs->BC_Send_Data = &hscx_fill_fifo;
259 cs->cardmsg = &Sportster_card_msg;
260 cs->irq_func = &sportster_interrupt;
261 ISACVersion(cs, "Sportster:");
262 if (HscxVersion(cs, "Sportster:")) {
263 printk(KERN_WARNING
264 "Sportster: wrong HSCX versions check IO address\n");
265 release_io_sportster(cs);
266 return (0);
267 }
268 return (1);
269}
270
