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[/] [or1k_old/] [trunk/] [uclinux/] [uClinux-2.0.x/] [drivers/] [isdn/] [hisax/] [mic.c] - Blame information for rev 1782

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/* $Id: mic.c,v 1.1.1.1 2001-09-10 07:44:18 simons Exp $
 
 * mic.c  low level stuff for mic cards
 *
 * Copyright (C) 1997
 *
 * Author  Stephan von Krawczynski <skraw@ithnet.com>
 *
 *
 * $Log: not supported by cvs2svn $
 * Revision 1.1.1.1  2001/07/02 17:58:32  simons
 * Initial revision
 *
 * Revision 1.1.2.5  1998/04/08 21:58:43  keil
 * New init code
 *
 * Revision 1.1.2.4  1998/02/17 15:39:20  keil
 * fix reset problem
 *
 * Revision 1.1.2.3  1998/01/27 22:37:25  keil
 * fast io
 *
 * Revision 1.1.2.2  1997/11/15 18:50:54  keil
 * new common init function
 *
 * Revision 1.1.2.1  1997/10/17 22:10:54  keil
 * new files on 2.0
 *
 *
 */
 
#define __NO_VERSION__
#include "hisax.h"
#include "isac.h"
#include "hscx.h"
#include "isdnl1.h"
 
extern const char *CardType[];
 
const char *mic_revision = "$Revision: 1.1.1.1 $";
 
#define byteout(addr,val) outb(val,addr)
#define bytein(addr) inb(addr)
 
#define MIC_ISAC        2
#define MIC_HSCX        1
#define MIC_ADR         7
 
/* CARD_ADR (Write) */
#define MIC_RESET      0x3      /* same as DOS driver */
 
static inline u_char
readreg(unsigned int ale, unsigned int adr, u_char off)
{
        register u_char ret;
        long flags;
 
        save_flags(flags);
        cli();
        byteout(ale, off);
        ret = bytein(adr);
        restore_flags(flags);
 
        return (ret);
}
 
static inline void
readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
        /* fifo read without cli because it's allready done  */
 
        byteout(ale, off);
        insb(adr, data, size);
}
 
 
static inline void
writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
{
        long flags;
 
        save_flags(flags);
        cli();
        byteout(ale, off);
        byteout(adr, data);
        restore_flags(flags);
}
 
static inline void
writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
{
        /* fifo write without cli because it's allready done  */
        byteout(ale, off);
        outsb(adr, data, size);
}
 
/* Interface functions */
 
static u_char
ReadISAC(struct IsdnCardState *cs, u_char offset)
{
        return (readreg(cs->hw.mic.adr, cs->hw.mic.isac, offset));
}
 
static void
WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
{
        writereg(cs->hw.mic.adr, cs->hw.mic.isac, offset, value);
}
 
static void
ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
        readfifo(cs->hw.mic.adr, cs->hw.mic.isac, 0, data, size);
}
 
static void
WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
{
        writefifo(cs->hw.mic.adr, cs->hw.mic.isac, 0, data, size);
}
 
static u_char
ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
{
        return (readreg(cs->hw.mic.adr,
                        cs->hw.mic.hscx, offset + (hscx ? 0x40 : 0)));
}
 
static void
WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
{
        writereg(cs->hw.mic.adr,
                 cs->hw.mic.hscx, offset + (hscx ? 0x40 : 0), value);
}
 
/*
 * fast interrupt HSCX stuff goes here
 */
 
#define READHSCX(cs, nr, reg) readreg(cs->hw.mic.adr, \
                cs->hw.mic.hscx, reg + (nr ? 0x40 : 0))
#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.mic.adr, \
                cs->hw.mic.hscx, reg + (nr ? 0x40 : 0), data)
 
#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.mic.adr, \
                cs->hw.mic.hscx, (nr ? 0x40 : 0), ptr, cnt)
 
#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.mic.adr, \
                cs->hw.mic.hscx, (nr ? 0x40 : 0), ptr, cnt)
 
#include "hscx_irq.c"
 
static void
mic_interrupt(int intno, void *dev_id, struct pt_regs *regs)
{
        struct IsdnCardState *cs = dev_id;
        u_char val, stat = 0;
 
        if (!cs) {
                printk(KERN_WARNING "mic: Spurious interrupt!\n");
                return;
        }
        val = readreg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_ISTA + 0x40);
      Start_HSCX:
        if (val) {
                hscx_int_main(cs, val);
                stat |= 1;
        }
        val = readreg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_ISTA);
      Start_ISAC:
        if (val) {
                isac_interrupt(cs, val);
                stat |= 2;
        }
        val = readreg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_ISTA + 0x40);
        if (val) {
                if (cs->debug & L1_DEB_HSCX)
                        debugl1(cs, "HSCX IntStat after IntRoutine");
                goto Start_HSCX;
        }
        val = readreg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_ISTA);
        if (val) {
                if (cs->debug & L1_DEB_ISAC)
                        debugl1(cs, "ISAC IntStat after IntRoutine");
                goto Start_ISAC;
        }
        if (stat & 1) {
                writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK, 0xFF);
                writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK + 0x40, 0xFF);
                writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK, 0x0);
                writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK + 0x40, 0x0);
        }
        if (stat & 2) {
                writereg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_MASK, 0xFF);
                writereg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_MASK, 0x0);
        }
}
 
void
release_io_mic(struct IsdnCardState *cs)
{
        int bytecnt = 8;
 
        if (cs->hw.mic.cfg_reg)
                release_region(cs->hw.mic.cfg_reg, bytecnt);
}
 
static int
mic_card_msg(struct IsdnCardState *cs, int mt, void *arg)
{
        switch (mt) {
                case CARD_RESET:
                        return(0);
                case CARD_RELEASE:
                        release_io_mic(cs);
                        return(0);
                case CARD_SETIRQ:
                        return(request_irq(cs->irq, &mic_interrupt,
                                        I4L_IRQ_FLAG, "HiSax", cs));
                case CARD_INIT:
                        inithscx(cs); /* /RTSA := ISAC RST */
                        inithscxisac(cs, 3);
                        return(0);
                case CARD_TEST:
                        return(0);
        }
        return(0);
}
 
__initfunc(int
setup_mic(struct IsdnCard *card))
{
        int bytecnt;
        struct IsdnCardState *cs = card->cs;
        char tmp[64];
 
        strcpy(tmp, mic_revision);
        printk(KERN_INFO "HiSax: mic driver Rev. %s\n", HiSax_getrev(tmp));
        if (cs->typ != ISDN_CTYPE_MIC)
                return (0);
 
        bytecnt = 8;
        cs->hw.mic.cfg_reg = card->para[1];
        cs->irq = card->para[0];
        cs->hw.mic.adr = cs->hw.mic.cfg_reg + MIC_ADR;
        cs->hw.mic.isac = cs->hw.mic.cfg_reg + MIC_ISAC;
        cs->hw.mic.hscx = cs->hw.mic.cfg_reg + MIC_HSCX;
 
        if (check_region((cs->hw.mic.cfg_reg), bytecnt)) {
                printk(KERN_WARNING
                       "HiSax: %s config port %x-%x already in use\n",
                       CardType[card->typ],
                       cs->hw.mic.cfg_reg,
                       cs->hw.mic.cfg_reg + bytecnt);
                return (0);
        } else {
                request_region(cs->hw.mic.cfg_reg, bytecnt, "mic isdn");
        }
 
        printk(KERN_INFO
               "mic: defined at 0x%x IRQ %d\n",
               cs->hw.mic.cfg_reg,
               cs->irq);
        cs->readisac = &ReadISAC;
        cs->writeisac = &WriteISAC;
        cs->readisacfifo = &ReadISACfifo;
        cs->writeisacfifo = &WriteISACfifo;
        cs->BC_Read_Reg = &ReadHSCX;
        cs->BC_Write_Reg = &WriteHSCX;
        cs->BC_Send_Data = &hscx_fill_fifo;
        cs->cardmsg = &mic_card_msg;
        ISACVersion(cs, "mic:");
        if (HscxVersion(cs, "mic:")) {
                printk(KERN_WARNING
                    "mic: wrong HSCX versions check IO address\n");
                release_io_mic(cs);
                return (0);
        }
        return (1);
}

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[/] [or1k_old/] [trunk/] [uclinux/] [uClinux-2.0.x/] [drivers/] [isdn/] [hisax/] [mic.c] - Blame information for rev 1782

Line No.	Rev	Author	Line
1	199	simons	`/* $Id: mic.c,v 1.1.1.1 2001-09-10 07:44:18 simons Exp $`
2
3			`* mic.c low level stuff for mic cards`
4			`*`
5			`* Copyright (C) 1997`
6			`*`
7			`* Author Stephan von Krawczynski <skraw@ithnet.com>`
8			`*`
9			`*`
10			`* $Log: not supported by cvs2svn $`
11			`* Revision 1.1.1.1 2001/07/02 17:58:32 simons`
12			`* Initial revision`
13			`*`
14			`* Revision 1.1.2.5 1998/04/08 21:58:43 keil`
15			`* New init code`
16			`*`
17			`* Revision 1.1.2.4 1998/02/17 15:39:20 keil`
18			`* fix reset problem`
19			`*`
20			`* Revision 1.1.2.3 1998/01/27 22:37:25 keil`
21			`* fast io`
22			`*`
23			`* Revision 1.1.2.2 1997/11/15 18:50:54 keil`
24			`* new common init function`
25			`*`
26			`* Revision 1.1.2.1 1997/10/17 22:10:54 keil`
27			`* new files on 2.0`
28			`*`
29			`*`
30			`*/`
31
32			`#define __NO_VERSION__`
33			`#include "hisax.h"`
34			`#include "isac.h"`
35			`#include "hscx.h"`
36			`#include "isdnl1.h"`
37
38			`extern const char *CardType[];`
39
40			`const char *mic_revision = "$Revision: 1.1.1.1 $";`
41
42			`#define byteout(addr,val) outb(val,addr)`
43			`#define bytein(addr) inb(addr)`
44
45			`#define MIC_ISAC 2`
46			`#define MIC_HSCX 1`
47			`#define MIC_ADR 7`
48
49			`/* CARD_ADR (Write) */`
50			`#define MIC_RESET 0x3 /* same as DOS driver */`
51
52			`static inline u_char`
53			`readreg(unsigned int ale, unsigned int adr, u_char off)`
54			`{`
55			`register u_char ret;`
56			`long flags;`
57
58			`save_flags(flags);`
59			`cli();`
60			`byteout(ale, off);`
61			`ret = bytein(adr);`
62			`restore_flags(flags);`
63
64			`return (ret);`
65			`}`
66
67			`static inline void`
68			`readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)`
69			`{`
70			`/* fifo read without cli because it's allready done */`
71
72			`byteout(ale, off);`
73			`insb(adr, data, size);`
74			`}`
75
76
77			`static inline void`
78			`writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)`
79			`{`
80			`long flags;`
81
82			`save_flags(flags);`
83			`cli();`
84			`byteout(ale, off);`
85			`byteout(adr, data);`
86			`restore_flags(flags);`
87			`}`
88
89			`static inline void`
90			`writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)`
91			`{`
92			`/* fifo write without cli because it's allready done */`
93			`byteout(ale, off);`
94			`outsb(adr, data, size);`
95			`}`
96
97			`/* Interface functions */`
98
99			`static u_char`
100			`ReadISAC(struct IsdnCardState *cs, u_char offset)`
101			`{`
102			`return (readreg(cs->hw.mic.adr, cs->hw.mic.isac, offset));`
103			`}`
104
105			`static void`
106			`WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)`
107			`{`
108			`writereg(cs->hw.mic.adr, cs->hw.mic.isac, offset, value);`
109			`}`
110
111			`static void`
112			`ReadISACfifo(struct IsdnCardState cs, u_char data, int size)`
113			`{`
114			`readfifo(cs->hw.mic.adr, cs->hw.mic.isac, 0, data, size);`
115			`}`
116
117			`static void`
118			`WriteISACfifo(struct IsdnCardState cs, u_char data, int size)`
119			`{`
120			`writefifo(cs->hw.mic.adr, cs->hw.mic.isac, 0, data, size);`
121			`}`
122
123			`static u_char`
124			`ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)`
125			`{`
126			`return (readreg(cs->hw.mic.adr,`
127			`cs->hw.mic.hscx, offset + (hscx ? 0x40 : 0)));`
128			`}`
129
130			`static void`
131			`WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)`
132			`{`
133			`writereg(cs->hw.mic.adr,`
134			`cs->hw.mic.hscx, offset + (hscx ? 0x40 : 0), value);`
135			`}`
136
137			`/*`
138			`* fast interrupt HSCX stuff goes here`
139			`*/`
140
141			`#define READHSCX(cs, nr, reg) readreg(cs->hw.mic.adr, \`
142			`cs->hw.mic.hscx, reg + (nr ? 0x40 : 0))`
143			`#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.mic.adr, \`
144			`cs->hw.mic.hscx, reg + (nr ? 0x40 : 0), data)`
145
146			`#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.mic.adr, \`
147			`cs->hw.mic.hscx, (nr ? 0x40 : 0), ptr, cnt)`
148
149			`#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.mic.adr, \`
150			`cs->hw.mic.hscx, (nr ? 0x40 : 0), ptr, cnt)`
151
152			`#include "hscx_irq.c"`
153
154			`static void`
155			`mic_interrupt(int intno, void dev_id, struct pt_regs regs)`
156			`{`
157			`struct IsdnCardState *cs = dev_id;`
158			`u_char val, stat = 0;`
159
160			`if (!cs) {`
161			`printk(KERN_WARNING "mic: Spurious interrupt!\n");`
162			`return;`
163			`}`
164			`val = readreg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_ISTA + 0x40);`
165			`Start_HSCX:`
166			`if (val) {`
167			`hscx_int_main(cs, val);`
168			`stat \|= 1;`
169			`}`
170			`val = readreg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_ISTA);`
171			`Start_ISAC:`
172			`if (val) {`
173			`isac_interrupt(cs, val);`
174			`stat \|= 2;`
175			`}`
176			`val = readreg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_ISTA + 0x40);`
177			`if (val) {`
178			`if (cs->debug & L1_DEB_HSCX)`
179			`debugl1(cs, "HSCX IntStat after IntRoutine");`
180			`goto Start_HSCX;`
181			`}`
182			`val = readreg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_ISTA);`
183			`if (val) {`
184			`if (cs->debug & L1_DEB_ISAC)`
185			`debugl1(cs, "ISAC IntStat after IntRoutine");`
186			`goto Start_ISAC;`
187			`}`
188			`if (stat & 1) {`
189			`writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK, 0xFF);`
190			`writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK + 0x40, 0xFF);`
191			`writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK, 0x0);`
192			`writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK + 0x40, 0x0);`
193			`}`
194			`if (stat & 2) {`
195			`writereg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_MASK, 0xFF);`
196			`writereg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_MASK, 0x0);`
197			`}`
198			`}`
199
200			`void`
201			`release_io_mic(struct IsdnCardState *cs)`
202			`{`
203			`int bytecnt = 8;`
204
205			`if (cs->hw.mic.cfg_reg)`
206			`release_region(cs->hw.mic.cfg_reg, bytecnt);`
207			`}`
208
209			`static int`
210			`mic_card_msg(struct IsdnCardState cs, int mt, void arg)`
211			`{`
212			`switch (mt) {`
213			`case CARD_RESET:`
214			`return(0);`
215			`case CARD_RELEASE:`
216			`release_io_mic(cs);`
217			`return(0);`
218			`case CARD_SETIRQ:`
219			`return(request_irq(cs->irq, &mic_interrupt,`
220			`I4L_IRQ_FLAG, "HiSax", cs));`
221			`case CARD_INIT:`
222			`inithscx(cs); /* /RTSA := ISAC RST */`
223			`inithscxisac(cs, 3);`
224			`return(0);`
225			`case CARD_TEST:`
226			`return(0);`
227			`}`
228			`return(0);`
229			`}`
230
231			`__initfunc(int`
232			`setup_mic(struct IsdnCard *card))`
233			`{`
234			`int bytecnt;`
235			`struct IsdnCardState *cs = card->cs;`
236			`char tmp[64];`
237
238			`strcpy(tmp, mic_revision);`
239			`printk(KERN_INFO "HiSax: mic driver Rev. %s\n", HiSax_getrev(tmp));`
240			`if (cs->typ != ISDN_CTYPE_MIC)`
241			`return (0);`
242
243			`bytecnt = 8;`
244			`cs->hw.mic.cfg_reg = card->para[1];`
245			`cs->irq = card->para[0];`
246			`cs->hw.mic.adr = cs->hw.mic.cfg_reg + MIC_ADR;`
247			`cs->hw.mic.isac = cs->hw.mic.cfg_reg + MIC_ISAC;`
248			`cs->hw.mic.hscx = cs->hw.mic.cfg_reg + MIC_HSCX;`
249
250			`if (check_region((cs->hw.mic.cfg_reg), bytecnt)) {`
251			`printk(KERN_WARNING`
252			`"HiSax: %s config port %x-%x already in use\n",`
253			`CardType[card->typ],`
254			`cs->hw.mic.cfg_reg,`
255			`cs->hw.mic.cfg_reg + bytecnt);`
256			`return (0);`
257			`} else {`
258			`request_region(cs->hw.mic.cfg_reg, bytecnt, "mic isdn");`
259			`}`
260
261			`printk(KERN_INFO`
262			`"mic: defined at 0x%x IRQ %d\n",`
263			`cs->hw.mic.cfg_reg,`
264			`cs->irq);`
265			`cs->readisac = &ReadISAC;`
266			`cs->writeisac = &WriteISAC;`
267			`cs->readisacfifo = &ReadISACfifo;`
268			`cs->writeisacfifo = &WriteISACfifo;`
269			`cs->BC_Read_Reg = &ReadHSCX;`
270			`cs->BC_Write_Reg = &WriteHSCX;`
271			`cs->BC_Send_Data = &hscx_fill_fifo;`
272			`cs->cardmsg = &mic_card_msg;`
273			`ISACVersion(cs, "mic:");`
274			`if (HscxVersion(cs, "mic:")) {`
275			`printk(KERN_WARNING`
276			`"mic: wrong HSCX versions check IO address\n");`
277			`release_io_mic(cs);`
278			`return (0);`
279			`}`
280			`return (1);`
281			`}`