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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [isdn/] [hisax/] [mic.c] - Blame information for rev 1777

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/* $Id: mic.c,v 1.1 2005-12-20 10:17:01 jcastillo 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  2001/09/10 07:44:18  simons
 * Initial import
 *
 * 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 $";
 
#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/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [isdn/] [hisax/] [mic.c] - Blame information for rev 1777

Line No.	Rev	Author	Line
1	1626	jcastillo	`/* $Id: mic.c,v 1.1 2005-12-20 10:17:01 jcastillo 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 $`
11			`* Revision 1.1.1.1 2001/09/10 07:44:18 simons`
12			`* Initial import`
13			`*`
14			`* Revision 1.1.1.1 2001/07/02 17:58:32 simons`
15			`* Initial revision`
16			`*`
17			`* Revision 1.1.2.5 1998/04/08 21:58:43 keil`
18			`* New init code`
19			`*`
20			`* Revision 1.1.2.4 1998/02/17 15:39:20 keil`
21			`* fix reset problem`
22			`*`
23			`* Revision 1.1.2.3 1998/01/27 22:37:25 keil`
24			`* fast io`
25			`*`
26			`* Revision 1.1.2.2 1997/11/15 18:50:54 keil`
27			`* new common init function`
28			`*`
29			`* Revision 1.1.2.1 1997/10/17 22:10:54 keil`
30			`* new files on 2.0`
31			`*`
32			`*`
33			`*/`
34
35			`#define __NO_VERSION__`
36			`#include "hisax.h"`
37			`#include "isac.h"`
38			`#include "hscx.h"`
39			`#include "isdnl1.h"`
40
41			`extern const char *CardType[];`
42
43			`const char *mic_revision = "$Revision: 1.1 $";`
44
45			`#define byteout(addr,val) outb(val,addr)`
46			`#define bytein(addr) inb(addr)`
47
48			`#define MIC_ISAC 2`
49			`#define MIC_HSCX 1`
50			`#define MIC_ADR 7`
51
52			`/* CARD_ADR (Write) */`
53			`#define MIC_RESET 0x3 /* same as DOS driver */`
54
55			`static inline u_char`
56			`readreg(unsigned int ale, unsigned int adr, u_char off)`
57			`{`
58			`register u_char ret;`
59			`long flags;`
60
61			`save_flags(flags);`
62			`cli();`
63			`byteout(ale, off);`
64			`ret = bytein(adr);`
65			`restore_flags(flags);`
66
67			`return (ret);`
68			`}`
69
70			`static inline void`
71			`readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)`
72			`{`
73			`/* fifo read without cli because it's allready done */`
74
75			`byteout(ale, off);`
76			`insb(adr, data, size);`
77			`}`
78
79
80			`static inline void`
81			`writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)`
82			`{`
83			`long flags;`
84
85			`save_flags(flags);`
86			`cli();`
87			`byteout(ale, off);`
88			`byteout(adr, data);`
89			`restore_flags(flags);`
90			`}`
91
92			`static inline void`
93			`writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)`
94			`{`
95			`/* fifo write without cli because it's allready done */`
96			`byteout(ale, off);`
97			`outsb(adr, data, size);`
98			`}`
99
100			`/* Interface functions */`
101
102			`static u_char`
103			`ReadISAC(struct IsdnCardState *cs, u_char offset)`
104			`{`
105			`return (readreg(cs->hw.mic.adr, cs->hw.mic.isac, offset));`
106			`}`
107
108			`static void`
109			`WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)`
110			`{`
111			`writereg(cs->hw.mic.adr, cs->hw.mic.isac, offset, value);`
112			`}`
113
114			`static void`
115			`ReadISACfifo(struct IsdnCardState cs, u_char data, int size)`
116			`{`
117			`readfifo(cs->hw.mic.adr, cs->hw.mic.isac, 0, data, size);`
118			`}`
119
120			`static void`
121			`WriteISACfifo(struct IsdnCardState cs, u_char data, int size)`
122			`{`
123			`writefifo(cs->hw.mic.adr, cs->hw.mic.isac, 0, data, size);`
124			`}`
125
126			`static u_char`
127			`ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)`
128			`{`
129			`return (readreg(cs->hw.mic.adr,`
130			`cs->hw.mic.hscx, offset + (hscx ? 0x40 : 0)));`
131			`}`
132
133			`static void`
134			`WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)`
135			`{`
136			`writereg(cs->hw.mic.adr,`
137			`cs->hw.mic.hscx, offset + (hscx ? 0x40 : 0), value);`
138			`}`
139
140			`/*`
141			`* fast interrupt HSCX stuff goes here`
142			`*/`
143
144			`#define READHSCX(cs, nr, reg) readreg(cs->hw.mic.adr, \`
145			`cs->hw.mic.hscx, reg + (nr ? 0x40 : 0))`
146			`#define WRITEHSCX(cs, nr, reg, data) writereg(cs->hw.mic.adr, \`
147			`cs->hw.mic.hscx, reg + (nr ? 0x40 : 0), data)`
148
149			`#define READHSCXFIFO(cs, nr, ptr, cnt) readfifo(cs->hw.mic.adr, \`
150			`cs->hw.mic.hscx, (nr ? 0x40 : 0), ptr, cnt)`
151
152			`#define WRITEHSCXFIFO(cs, nr, ptr, cnt) writefifo(cs->hw.mic.adr, \`
153			`cs->hw.mic.hscx, (nr ? 0x40 : 0), ptr, cnt)`
154
155			`#include "hscx_irq.c"`
156
157			`static void`
158			`mic_interrupt(int intno, void dev_id, struct pt_regs regs)`
159			`{`
160			`struct IsdnCardState *cs = dev_id;`
161			`u_char val, stat = 0;`
162
163			`if (!cs) {`
164			`printk(KERN_WARNING "mic: Spurious interrupt!\n");`
165			`return;`
166			`}`
167			`val = readreg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_ISTA + 0x40);`
168			`Start_HSCX:`
169			`if (val) {`
170			`hscx_int_main(cs, val);`
171			`stat \|= 1;`
172			`}`
173			`val = readreg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_ISTA);`
174			`Start_ISAC:`
175			`if (val) {`
176			`isac_interrupt(cs, val);`
177			`stat \|= 2;`
178			`}`
179			`val = readreg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_ISTA + 0x40);`
180			`if (val) {`
181			`if (cs->debug & L1_DEB_HSCX)`
182			`debugl1(cs, "HSCX IntStat after IntRoutine");`
183			`goto Start_HSCX;`
184			`}`
185			`val = readreg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_ISTA);`
186			`if (val) {`
187			`if (cs->debug & L1_DEB_ISAC)`
188			`debugl1(cs, "ISAC IntStat after IntRoutine");`
189			`goto Start_ISAC;`
190			`}`
191			`if (stat & 1) {`
192			`writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK, 0xFF);`
193			`writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK + 0x40, 0xFF);`
194			`writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK, 0x0);`
195			`writereg(cs->hw.mic.adr, cs->hw.mic.hscx, HSCX_MASK + 0x40, 0x0);`
196			`}`
197			`if (stat & 2) {`
198			`writereg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_MASK, 0xFF);`
199			`writereg(cs->hw.mic.adr, cs->hw.mic.isac, ISAC_MASK, 0x0);`
200			`}`
201			`}`
202
203			`void`
204			`release_io_mic(struct IsdnCardState *cs)`
205			`{`
206			`int bytecnt = 8;`
207
208			`if (cs->hw.mic.cfg_reg)`
209			`release_region(cs->hw.mic.cfg_reg, bytecnt);`
210			`}`
211
212			`static int`
213			`mic_card_msg(struct IsdnCardState cs, int mt, void arg)`
214			`{`
215			`switch (mt) {`
216			`case CARD_RESET:`
217			`return(0);`
218			`case CARD_RELEASE:`
219			`release_io_mic(cs);`
220			`return(0);`
221			`case CARD_SETIRQ:`
222			`return(request_irq(cs->irq, &mic_interrupt,`
223			`I4L_IRQ_FLAG, "HiSax", cs));`
224			`case CARD_INIT:`
225			`inithscx(cs); /* /RTSA := ISAC RST */`
226			`inithscxisac(cs, 3);`
227			`return(0);`
228			`case CARD_TEST:`
229			`return(0);`
230			`}`
231			`return(0);`
232			`}`
233
234			`__initfunc(int`
235			`setup_mic(struct IsdnCard *card))`
236			`{`
237			`int bytecnt;`
238			`struct IsdnCardState *cs = card->cs;`
239			`char tmp[64];`
240
241			`strcpy(tmp, mic_revision);`
242			`printk(KERN_INFO "HiSax: mic driver Rev. %s\n", HiSax_getrev(tmp));`
243			`if (cs->typ != ISDN_CTYPE_MIC)`
244			`return (0);`
245
246			`bytecnt = 8;`
247			`cs->hw.mic.cfg_reg = card->para[1];`
248			`cs->irq = card->para[0];`
249			`cs->hw.mic.adr = cs->hw.mic.cfg_reg + MIC_ADR;`
250			`cs->hw.mic.isac = cs->hw.mic.cfg_reg + MIC_ISAC;`
251			`cs->hw.mic.hscx = cs->hw.mic.cfg_reg + MIC_HSCX;`
252
253			`if (check_region((cs->hw.mic.cfg_reg), bytecnt)) {`
254			`printk(KERN_WARNING`
255			`"HiSax: %s config port %x-%x already in use\n",`
256			`CardType[card->typ],`
257			`cs->hw.mic.cfg_reg,`
258			`cs->hw.mic.cfg_reg + bytecnt);`
259			`return (0);`
260			`} else {`
261			`request_region(cs->hw.mic.cfg_reg, bytecnt, "mic isdn");`
262			`}`
263
264			`printk(KERN_INFO`
265			`"mic: defined at 0x%x IRQ %d\n",`
266			`cs->hw.mic.cfg_reg,`
267			`cs->irq);`
268			`cs->readisac = &ReadISAC;`
269			`cs->writeisac = &WriteISAC;`
270			`cs->readisacfifo = &ReadISACfifo;`
271			`cs->writeisacfifo = &WriteISACfifo;`
272			`cs->BC_Read_Reg = &ReadHSCX;`
273			`cs->BC_Write_Reg = &WriteHSCX;`
274			`cs->BC_Send_Data = &hscx_fill_fifo;`
275			`cs->cardmsg = &mic_card_msg;`
276			`ISACVersion(cs, "mic:");`
277			`if (HscxVersion(cs, "mic:")) {`
278			`printk(KERN_WARNING`
279			`"mic: wrong HSCX versions check IO address\n");`
280			`release_io_mic(cs);`
281			`return (0);`
282			`}`
283			`return (1);`
284			`}`