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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [block/] [paride/] [paride.c] - Blame information for rev 1765

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/*
        paride.c  (c) 1997-8  Grant R. Guenther <grant@torque.net>
                              Under the terms of the GNU public license.
 
        This is the base module for the family of device drivers
        that support parallel port IDE devices.
 
*/
 
/* Changes:
 
        1.01    GRG 1998.05.03  Use spinlocks
        1.02    GRG 1998.05.05  init_proto, release_proto, ktti
        1.03    GRG 1998.08.15  eliminate compiler warning
        1.04    GRG 1998.11.28  added support for FRIQ
 
*/
 
#define PI_VERSION      "1.04"
 
#include <linux/module.h>
#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/ioport.h>
#include <linux/string.h>
#include "spinlock.h"
 
#ifdef CONFIG_PARPORT_MODULE
#define CONFIG_PARPORT
#endif
 
#ifdef CONFIG_PARPORT
#include <linux/parport.h>
#endif
 
#include "paride.h"
 
#define MAX_PROTOS      32
 
static struct pi_protocol       *protocols[MAX_PROTOS];
 
/* spinlock_t   pi_spinlock = SPIN_LOCK_UNLOCKED; */
 
void pi_write_regr( PIA *pi, int cont, int regr, int val)
 
{       pi->proto->write_regr(pi,cont,regr,val);
}
 
int pi_read_regr( PIA *pi, int cont, int regr)
 
{       return pi->proto->read_regr(pi,cont,regr);
}
 
void pi_write_block( PIA *pi, char * buf, int count)
 
{       pi->proto->write_block(pi,buf,count);
}
 
void pi_read_block( PIA *pi, char * buf, int count)
 
{       pi->proto->read_block(pi,buf,count);
}
 
#ifdef CONFIG_PARPORT
 
static void pi_wake_up( void *p)
 
{       PIA  *pi = (PIA *) p;
        long flags;
        void (*cont)(void) = NULL;
 
        spin_lock_irqsave(&pi_spinlock,flags);
 
        if (pi->claim_cont && !parport_claim(pi->pardev)) {
                cont = pi->claim_cont;
                pi->claim_cont = NULL;
                pi->claimed = 1;
        }
 
        spin_unlock_irqrestore(&pi_spinlock,flags);
 
        wake_up(&(pi->parq));
 
        if (cont) cont();
}
 
#endif
 
void pi_do_claimed( PIA *pi, void(*cont)(void))
 
#ifdef CONFIG_PARPORT
 
{       long flags;
 
        spin_lock_irqsave(&pi_spinlock,flags);
 
        if (!pi->pardev || !parport_claim(pi->pardev)) {
                pi->claimed = 1;
                spin_unlock_irqrestore(&pi_spinlock,flags);
                cont();
        } else {
                pi->claim_cont = cont;
                spin_unlock_irqrestore(&pi_spinlock,flags);
        }
}
 
#else
 
{       cont();
}
 
#endif
 
static void pi_claim( PIA *pi)
 
{       if (pi->claimed) return;
        pi->claimed = 1;
#ifdef CONFIG_PARPORT
        if (pi->pardev)
          while (parport_claim((struct pardevice *)(pi->pardev)))
            sleep_on(&(pi->parq));
#endif
}
 
static void pi_unclaim( PIA *pi)
 
{       pi->claimed = 0;
#ifdef CONFIG_PARPORT
        if (pi->pardev) parport_release((struct pardevice *)(pi->pardev));
#endif 
}
 
void pi_connect( PIA *pi)
 
{       pi_claim(pi);
        pi->proto->connect(pi);
}
 
void pi_disconnect( PIA *pi)
 
{       pi->proto->disconnect(pi);
        pi_unclaim(pi);
}
 
static void pi_unregister_parport( PIA *pi)
 
{
#ifdef CONFIG_PARPORT
        if (pi->pardev) {
           parport_unregister_device((struct pardevice *)(pi->pardev));
           pi->pardev = NULL;
        }
#endif
}
 
void pi_release( PIA *pi)
 
{       pi_unregister_parport(pi);
        if ((!pi->pardev)&&(pi->reserved))
                release_region(pi->port,pi->reserved);
        pi->proto->release_proto(pi);
}
 
#define WR(r,v)         pi_write_regr(pi,0,r,v)
#define RR(r)           (pi_read_regr(pi,0,r))
 
static int pi_test_proto( PIA *pi, char * scratch, int verbose )
 
{       int     j, k;
        int     e[2] = {0,0};
 
        if (pi->proto->test_proto) {
                pi_claim(pi);
                j = pi->proto->test_proto(pi,scratch,verbose);
                pi_unclaim(pi);
                return j;
        }
 
        pi_connect(pi);
 
        for (j=0;j<2;j++) {
                WR(6,0xa0+j*0x10);
                for (k=0;k<256;k++) {
                        WR(2,k^0xaa);
                        WR(3,k^0x55);
                        if (RR(2) != (k^0xaa)) e[j]++;
                        }
                }
 
        pi_disconnect(pi);
 
        if (verbose)
                printk("%s: %s: port 0x%x, mode  %d, test=(%d,%d)\n",
                        pi->device,pi->proto->name,pi->port,
                        pi->mode,e[0],e[1]);
 
        return (e[0] && e[1]);  /* not here if both > 0 */
}
 
int  pi_register( PIP *pr)
 
{       int k;
 
        for (k=0;k<MAX_PROTOS;k++)
           if (protocols[k] && !strcmp(pr->name,protocols[k]->name)) {
                printk("paride: %s protocol already registered\n",pr->name);
                return 0;
           }
        k = 0;
        while((k<MAX_PROTOS) && (protocols[k])) k++;
        if (k == MAX_PROTOS) {
                printk("paride: protocol table full\n");
                return 0;
        }
        MOD_INC_USE_COUNT;
        protocols[k] = pr;
        pr->index = k;
        printk("paride: %s registered as protocol %d\n",pr->name,k);
        return 1;
}
 
void pi_unregister( PIP *pr)
 
{       if (!pr) return;
        if (protocols[pr->index] != pr) {
                printk("paride: %s not registered\n",pr->name);
                return;
        }
        protocols[pr->index] = 0;
        MOD_DEC_USE_COUNT;
}
 
static void pi_register_parport( PIA *pi, int verbose)
 
{
#ifdef CONFIG_PARPORT
 
        struct parport  *pp;
 
        pp = parport_enumerate();
 
        while((pp)&&(pp->base != pi->port)) pp = pp->next;
 
        if (!pp) return;
 
        pi->pardev = (void *) parport_register_device(
              pp,pi->device,NULL,pi_wake_up,NULL,0,(void *)pi);
 
        pi->parq = NULL;
 
        if (verbose) printk("%s: 0x%x is %s\n",pi->device,pi->port,pp->name);
 
        pi->parname = pp->name;
 
#endif
}
 
static int pi_probe_mode( PIA *pi, int max, char * scratch, int verbose)
 
{       int     best, range;
 
        if (pi->mode != -1) {
                if (pi->mode >= max) return 0;
                range = 3;
                if (pi->mode >= pi->proto->epp_first) range = 8;
                if ((range == 8) && (pi->port % 8)) return 0;
                if ((!pi->pardev) && check_region(pi->port,range)) return 0;
                pi->reserved = range;
                return (!pi_test_proto(pi,scratch,verbose));
        }
        best = -1;
        for(pi->mode=0;pi->mode<max;pi->mode++) {
                range = 3;
                if (pi->mode >= pi->proto->epp_first) range = 8;
                if ((range == 8) && (pi->port % 8)) break;
                if ((!pi->pardev) && check_region(pi->port,range)) break;
                pi->reserved = range;
                if (!pi_test_proto(pi,scratch,verbose)) best = pi->mode;
        }
        pi->mode = best;
        return (best > -1);
}
 
static int pi_probe_unit( PIA *pi, int unit, char * scratch, int verbose)
 
{       int max,s,e;
 
        s = unit; e = s+1;
 
        if (s == -1) {
                s = 0;
                e = pi->proto->max_units;
        }
 
        pi_register_parport(pi,verbose);
 
        if ((!pi->pardev) && check_region(pi->port,3)) return 0;
 
        if (pi->proto->test_port) {
                pi_claim(pi);
                max = pi->proto->test_port(pi);
                pi_unclaim(pi);
        }
        else max = pi->proto->max_mode;
 
        if (pi->proto->probe_unit) {
           pi_claim(pi);
           for (pi->unit=s;pi->unit<e;pi->unit++)
              if (pi->proto->probe_unit(pi)) {
                 pi_unclaim(pi);
                 if (pi_probe_mode(pi,max,scratch,verbose)) return 1;
                 pi_unregister_parport(pi);
                 return 0;
                 }
           pi_unclaim(pi);
           pi_unregister_parport(pi);
           return 0;
           }
 
        if (!pi_probe_mode(pi,max,scratch,verbose)) {
           pi_unregister_parport(pi);
           return 0;
        }
        return 1;
 
}
 
int pi_init(PIA *pi, int autoprobe, int port, int mode,
            int unit, int protocol, int delay, char * scratch,
            int devtype, int verbose, char *device )
 
{       int p,k,s,e;
        int lpts[7] = {0x3bc,0x378,0x278,0x268,0x27c,0x26c,0};
 
        s = protocol; e = s+1;
 
        if (autoprobe) {
                s = 0;
                e = MAX_PROTOS;
        } else if ((s < 0) || (s >= MAX_PROTOS) || (port <= 0) ||
                    (!protocols[s]) || (unit < 0) ||
                    (unit >= protocols[s]->max_units)) {
                        printk("%s: Invalid parameters\n",device);
                        return 0;
                        }
 
        for (p=s;p<e;p++) {
          if (protocols[p]) {
                pi->proto = protocols[p];
                pi->private = 0;
                pi->proto->init_proto(pi);
                if (delay == -1) pi->delay = pi->proto->default_delay;
                  else pi->delay = delay;
                pi->devtype = devtype;
                pi->device = device;
 
                pi->parname = NULL;
                pi->pardev = NULL;
                pi->parq = NULL;
                pi->claimed = 0;
                pi->claim_cont = NULL;
 
                pi->mode = mode;
                if (port != -1) {
                        pi->port = port;
                        if (pi_probe_unit(pi,unit,scratch,verbose)) break;
                        pi->port = 0;
                } else {
                        k = 0;
                        while ((pi->port = lpts[k++]))
                           if (pi_probe_unit(pi,unit,scratch,verbose)) break;
                        if (pi->port) break;
                }
                pi->proto->release_proto(pi);
          }
        }
 
        if (!pi->port) {
                if (autoprobe) printk("%s: Autoprobe failed\n",device);
                else printk("%s: Adapter not found\n",device);
                return 0;
        }
 
        if (!pi->pardev)
           request_region(pi->port,pi->reserved,pi->device);
 
        if (pi->parname)
           printk("%s: Sharing %s at 0x%x\n",pi->device,
                        pi->parname,pi->port);
 
        pi->proto->log_adapter(pi,scratch,verbose);
 
        return 1;
}
 
#ifdef MODULE
 
int     init_module(void)
 
{       int k;
 
        for (k=0;k<MAX_PROTOS;k++) protocols[k] = 0;
        printk("paride: version %s installed\n",PI_VERSION);
        return 0;
}
 
void    cleanup_module(void)
 
{
}
 
#else
 
void    paride_init( void )
 
{
 
#ifdef CONFIG_PARIDE_ATEN
        { extern struct pi_protocol aten;
          pi_register(&aten);
        };
#endif
#ifdef CONFIG_PARIDE_BPCK
        { extern struct pi_protocol bpck;
          pi_register(&bpck);
        };
#endif
#ifdef CONFIG_PARIDE_COMM
        { extern struct pi_protocol comm;
          pi_register(&comm);
        };
#endif
#ifdef CONFIG_PARIDE_DSTR
        { extern struct pi_protocol dstr;
          pi_register(&dstr);
        };
#endif
#ifdef CONFIG_PARIDE_EPAT
        { extern struct pi_protocol epat;
          pi_register(&epat);
        };
#endif
#ifdef CONFIG_PARIDE_EPIA
        { extern struct pi_protocol epia;
          pi_register(&epia);
        };
#endif
#ifdef CONFIG_PARIDE_FRPW
        { extern struct pi_protocol frpw;
          pi_register(&frpw);
        };
#endif
#ifdef CONFIG_PARIDE_FRIQ
        { extern struct pi_protocol friq;
          pi_register(&friq);
        };
#endif 
#ifdef CONFIG_PARIDE_FIT2
        { extern struct pi_protocol fit2;
          pi_register(&fit2);
        };
#endif
#ifdef CONFIG_PARIDE_FIT3
        { extern struct pi_protocol fit3;
          pi_register(&fit3);
        };
#endif
#ifdef CONFIG_PARIDE_KBIC
        { extern struct pi_protocol k951;
          extern struct pi_protocol k971;
          pi_register(&k951);
          pi_register(&k971);
        };
#endif
#ifdef CONFIG_PARIDE_KTTI
        { extern struct pi_protocol ktti;
          pi_register(&ktti);
        };
#endif
#ifdef CONFIG_PARIDE_ON20
        { extern struct pi_protocol on20;
          pi_register(&on20);
        };
#endif
#ifdef CONFIG_PARIDE_ON26
        { extern struct pi_protocol on26;
          pi_register(&on26);
        };
#endif
 
#ifdef CONFIG_PARIDE_PD
        { extern int pd_init(void);
          pd_init();
        };
#endif
#ifdef CONFIG_PARIDE_PCD
        { extern int pcd_init(void);
          pcd_init();
        };
#endif
#ifdef CONFIG_PARIDE_PF
        { extern int pf_init(void);
          pf_init();
        };
#endif
#ifdef CONFIG_PARIDE_PT
        { extern int pt_init(void);
          pt_init();
        };
#endif
#ifdef CONFIG_PARIDE_PG
        { extern int pg_init(void);
          pg_init();
        };
#endif
}
 
#endif
 
/* end of paride.c */

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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [block/] [paride/] [paride.c] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	1626	jcastillo	`/*`
2			`paride.c (c) 1997-8 Grant R. Guenther <grant@torque.net>`
3			`Under the terms of the GNU public license.`
4
5			`This is the base module for the family of device drivers`
6			`that support parallel port IDE devices.`
7
8			`*/`
9
10			`/* Changes:`
11
12			`1.01 GRG 1998.05.03 Use spinlocks`
13			`1.02 GRG 1998.05.05 init_proto, release_proto, ktti`
14			`1.03 GRG 1998.08.15 eliminate compiler warning`
15			`1.04 GRG 1998.11.28 added support for FRIQ`
16
17			`*/`
18
19			`#define PI_VERSION "1.04"`
20
21			`#include <linux/module.h>`
22			`#include <linux/config.h>`
23			`#include <linux/types.h>`
24			`#include <linux/kernel.h>`
25			`#include <linux/ioport.h>`
26			`#include <linux/string.h>`
27			`#include "spinlock.h"`
28
29			`#ifdef CONFIG_PARPORT_MODULE`
30			`#define CONFIG_PARPORT`
31			`#endif`
32
33			`#ifdef CONFIG_PARPORT`
34			`#include <linux/parport.h>`
35			`#endif`
36
37			`#include "paride.h"`
38
39			`#define MAX_PROTOS 32`
40
41			`static struct pi_protocol *protocols[MAX_PROTOS];`
42
43			`/* spinlock_t pi_spinlock = SPIN_LOCK_UNLOCKED; */`
44
45			`void pi_write_regr( PIA *pi, int cont, int regr, int val)`
46
47			`{ pi->proto->write_regr(pi,cont,regr,val);`
48			`}`
49
50			`int pi_read_regr( PIA *pi, int cont, int regr)`
51
52			`{ return pi->proto->read_regr(pi,cont,regr);`
53			`}`
54
55			`void pi_write_block( PIA pi, char buf, int count)`
56
57			`{ pi->proto->write_block(pi,buf,count);`
58			`}`
59
60			`void pi_read_block( PIA pi, char buf, int count)`
61
62			`{ pi->proto->read_block(pi,buf,count);`
63			`}`
64
65			`#ifdef CONFIG_PARPORT`
66
67			`static void pi_wake_up( void *p)`
68
69			`{ PIA pi = (PIA ) p;`
70			`long flags;`
71			`void (*cont)(void) = NULL;`
72
73			`spin_lock_irqsave(&pi_spinlock,flags);`
74
75			`if (pi->claim_cont && !parport_claim(pi->pardev)) {`
76			`cont = pi->claim_cont;`
77			`pi->claim_cont = NULL;`
78			`pi->claimed = 1;`
79			`}`
80
81			`spin_unlock_irqrestore(&pi_spinlock,flags);`
82
83			`wake_up(&(pi->parq));`
84
85			`if (cont) cont();`
86			`}`
87
88			`#endif`
89
90			`void pi_do_claimed( PIA pi, void(cont)(void))`
91
92			`#ifdef CONFIG_PARPORT`
93
94			`{ long flags;`
95
96			`spin_lock_irqsave(&pi_spinlock,flags);`
97
98			`if (!pi->pardev \|\| !parport_claim(pi->pardev)) {`
99			`pi->claimed = 1;`
100			`spin_unlock_irqrestore(&pi_spinlock,flags);`
101			`cont();`
102			`} else {`
103			`pi->claim_cont = cont;`
104			`spin_unlock_irqrestore(&pi_spinlock,flags);`
105			`}`
106			`}`
107
108			`#else`
109
110			`{ cont();`
111			`}`
112
113			`#endif`
114
115			`static void pi_claim( PIA *pi)`
116
117			`{ if (pi->claimed) return;`
118			`pi->claimed = 1;`
119			`#ifdef CONFIG_PARPORT`
120			`if (pi->pardev)`
121			`while (parport_claim((struct pardevice *)(pi->pardev)))`
122			`sleep_on(&(pi->parq));`
123			`#endif`
124			`}`
125
126			`static void pi_unclaim( PIA *pi)`
127
128			`{ pi->claimed = 0;`
129			`#ifdef CONFIG_PARPORT`
130			`if (pi->pardev) parport_release((struct pardevice *)(pi->pardev));`
131			`#endif`
132			`}`
133
134			`void pi_connect( PIA *pi)`
135
136			`{ pi_claim(pi);`
137			`pi->proto->connect(pi);`
138			`}`
139
140			`void pi_disconnect( PIA *pi)`
141
142			`{ pi->proto->disconnect(pi);`
143			`pi_unclaim(pi);`
144			`}`
145
146			`static void pi_unregister_parport( PIA *pi)`
147
148			`{`
149			`#ifdef CONFIG_PARPORT`
150			`if (pi->pardev) {`
151			`parport_unregister_device((struct pardevice *)(pi->pardev));`
152			`pi->pardev = NULL;`
153			`}`
154			`#endif`
155			`}`
156
157			`void pi_release( PIA *pi)`
158
159			`{ pi_unregister_parport(pi);`
160			`if ((!pi->pardev)&&(pi->reserved))`
161			`release_region(pi->port,pi->reserved);`
162			`pi->proto->release_proto(pi);`
163			`}`
164
165			`#define WR(r,v) pi_write_regr(pi,0,r,v)`
166			`#define RR(r) (pi_read_regr(pi,0,r))`
167
168			`static int pi_test_proto( PIA pi, char scratch, int verbose )`
169
170			`{ int j, k;`
171			`int e[2] = {0,0};`
172
173			`if (pi->proto->test_proto) {`
174			`pi_claim(pi);`
175			`j = pi->proto->test_proto(pi,scratch,verbose);`
176			`pi_unclaim(pi);`
177			`return j;`
178			`}`
179
180			`pi_connect(pi);`
181
182			`for (j=0;j<2;j++) {`
183			`WR(6,0xa0+j*0x10);`
184			`for (k=0;k<256;k++) {`
185			`WR(2,k^0xaa);`
186			`WR(3,k^0x55);`
187			`if (RR(2) != (k^0xaa)) e[j]++;`
188			`}`
189			`}`
190
191			`pi_disconnect(pi);`
192
193			`if (verbose)`
194			`printk("%s: %s: port 0x%x, mode %d, test=(%d,%d)\n",`
195			`pi->device,pi->proto->name,pi->port,`
196			`pi->mode,e[0],e[1]);`
197
198			`return (e[0] && e[1]); /* not here if both > 0 */`
199			`}`
200
201			`int pi_register( PIP *pr)`
202
203			`{ int k;`
204
205			`for (k=0;k<MAX_PROTOS;k++)`
206			`if (protocols[k] && !strcmp(pr->name,protocols[k]->name)) {`
207			`printk("paride: %s protocol already registered\n",pr->name);`
208			`return 0;`
209			`}`
210			`k = 0;`
211			`while((k<MAX_PROTOS) && (protocols[k])) k++;`
212			`if (k == MAX_PROTOS) {`
213			`printk("paride: protocol table full\n");`
214			`return 0;`
215			`}`
216			`MOD_INC_USE_COUNT;`
217			`protocols[k] = pr;`
218			`pr->index = k;`
219			`printk("paride: %s registered as protocol %d\n",pr->name,k);`
220			`return 1;`
221			`}`
222
223			`void pi_unregister( PIP *pr)`
224
225			`{ if (!pr) return;`
226			`if (protocols[pr->index] != pr) {`
227			`printk("paride: %s not registered\n",pr->name);`
228			`return;`
229			`}`
230			`protocols[pr->index] = 0;`
231			`MOD_DEC_USE_COUNT;`
232			`}`
233
234			`static void pi_register_parport( PIA *pi, int verbose)`
235
236			`{`
237			`#ifdef CONFIG_PARPORT`
238
239			`struct parport *pp;`
240
241			`pp = parport_enumerate();`
242
243			`while((pp)&&(pp->base != pi->port)) pp = pp->next;`
244
245			`if (!pp) return;`
246
247			`pi->pardev = (void *) parport_register_device(`
248			`pp,pi->device,NULL,pi_wake_up,NULL,0,(void *)pi);`
249
250			`pi->parq = NULL;`
251
252			`if (verbose) printk("%s: 0x%x is %s\n",pi->device,pi->port,pp->name);`
253
254			`pi->parname = pp->name;`
255
256			`#endif`
257			`}`
258
259			`static int pi_probe_mode( PIA pi, int max, char scratch, int verbose)`
260
261			`{ int best, range;`
262
263			`if (pi->mode != -1) {`
264			`if (pi->mode >= max) return 0;`
265			`range = 3;`
266			`if (pi->mode >= pi->proto->epp_first) range = 8;`
267			`if ((range == 8) && (pi->port % 8)) return 0;`
268			`if ((!pi->pardev) && check_region(pi->port,range)) return 0;`
269			`pi->reserved = range;`
270			`return (!pi_test_proto(pi,scratch,verbose));`
271			`}`
272			`best = -1;`
273			`for(pi->mode=0;pi->mode<max;pi->mode++) {`
274			`range = 3;`
275			`if (pi->mode >= pi->proto->epp_first) range = 8;`
276			`if ((range == 8) && (pi->port % 8)) break;`
277			`if ((!pi->pardev) && check_region(pi->port,range)) break;`
278			`pi->reserved = range;`
279			`if (!pi_test_proto(pi,scratch,verbose)) best = pi->mode;`
280			`}`
281			`pi->mode = best;`
282			`return (best > -1);`
283			`}`
284
285			`static int pi_probe_unit( PIA pi, int unit, char scratch, int verbose)`
286
287			`{ int max,s,e;`
288
289			`s = unit; e = s+1;`
290
291			`if (s == -1) {`
292			`s = 0;`
293			`e = pi->proto->max_units;`
294			`}`
295
296			`pi_register_parport(pi,verbose);`
297
298			`if ((!pi->pardev) && check_region(pi->port,3)) return 0;`
299
300			`if (pi->proto->test_port) {`
301			`pi_claim(pi);`
302			`max = pi->proto->test_port(pi);`
303			`pi_unclaim(pi);`
304			`}`
305			`else max = pi->proto->max_mode;`
306
307			`if (pi->proto->probe_unit) {`
308			`pi_claim(pi);`
309			`for (pi->unit=s;pi->unit<e;pi->unit++)`
310			`if (pi->proto->probe_unit(pi)) {`
311			`pi_unclaim(pi);`
312			`if (pi_probe_mode(pi,max,scratch,verbose)) return 1;`
313			`pi_unregister_parport(pi);`
314			`return 0;`
315			`}`
316			`pi_unclaim(pi);`
317			`pi_unregister_parport(pi);`
318			`return 0;`
319			`}`
320
321			`if (!pi_probe_mode(pi,max,scratch,verbose)) {`
322			`pi_unregister_parport(pi);`
323			`return 0;`
324			`}`
325			`return 1;`
326
327			`}`
328
329			`int pi_init(PIA *pi, int autoprobe, int port, int mode,`
330			`int unit, int protocol, int delay, char * scratch,`
331			`int devtype, int verbose, char *device )`
332
333			`{ int p,k,s,e;`
334			`int lpts[7] = {0x3bc,0x378,0x278,0x268,0x27c,0x26c,0};`
335
336			`s = protocol; e = s+1;`
337
338			`if (autoprobe) {`
339			`s = 0;`
340			`e = MAX_PROTOS;`
341			`} else if ((s < 0) \|\| (s >= MAX_PROTOS) \|\| (port <= 0) \|\|`
342			`(!protocols[s]) \|\| (unit < 0) \|\|`
343			`(unit >= protocols[s]->max_units)) {`
344			`printk("%s: Invalid parameters\n",device);`
345			`return 0;`
346			`}`
347
348			`for (p=s;p<e;p++) {`
349			`if (protocols[p]) {`
350			`pi->proto = protocols[p];`
351			`pi->private = 0;`
352			`pi->proto->init_proto(pi);`
353			`if (delay == -1) pi->delay = pi->proto->default_delay;`
354			`else pi->delay = delay;`
355			`pi->devtype = devtype;`
356			`pi->device = device;`
357
358			`pi->parname = NULL;`
359			`pi->pardev = NULL;`
360			`pi->parq = NULL;`
361			`pi->claimed = 0;`
362			`pi->claim_cont = NULL;`
363
364			`pi->mode = mode;`
365			`if (port != -1) {`
366			`pi->port = port;`
367			`if (pi_probe_unit(pi,unit,scratch,verbose)) break;`
368			`pi->port = 0;`
369			`} else {`
370			`k = 0;`
371			`while ((pi->port = lpts[k++]))`
372			`if (pi_probe_unit(pi,unit,scratch,verbose)) break;`
373			`if (pi->port) break;`
374			`}`
375			`pi->proto->release_proto(pi);`
376			`}`
377			`}`
378
379			`if (!pi->port) {`
380			`if (autoprobe) printk("%s: Autoprobe failed\n",device);`
381			`else printk("%s: Adapter not found\n",device);`
382			`return 0;`
383			`}`
384
385			`if (!pi->pardev)`
386			`request_region(pi->port,pi->reserved,pi->device);`
387
388			`if (pi->parname)`
389			`printk("%s: Sharing %s at 0x%x\n",pi->device,`
390			`pi->parname,pi->port);`
391
392			`pi->proto->log_adapter(pi,scratch,verbose);`
393
394			`return 1;`
395			`}`
396
397			`#ifdef MODULE`
398
399			`int init_module(void)`
400
401			`{ int k;`
402
403			`for (k=0;k<MAX_PROTOS;k++) protocols[k] = 0;`
404			`printk("paride: version %s installed\n",PI_VERSION);`
405			`return 0;`
406			`}`
407
408			`void cleanup_module(void)`
409
410			`{`
411			`}`
412
413			`#else`
414
415			`void paride_init( void )`
416
417			`{`
418
419			`#ifdef CONFIG_PARIDE_ATEN`
420			`{ extern struct pi_protocol aten;`
421			`pi_register(&aten);`
422			`};`
423			`#endif`
424			`#ifdef CONFIG_PARIDE_BPCK`
425			`{ extern struct pi_protocol bpck;`
426			`pi_register(&bpck);`
427			`};`
428			`#endif`
429			`#ifdef CONFIG_PARIDE_COMM`
430			`{ extern struct pi_protocol comm;`
431			`pi_register(&comm);`
432			`};`
433			`#endif`
434			`#ifdef CONFIG_PARIDE_DSTR`
435			`{ extern struct pi_protocol dstr;`
436			`pi_register(&dstr);`
437			`};`
438			`#endif`
439			`#ifdef CONFIG_PARIDE_EPAT`
440			`{ extern struct pi_protocol epat;`
441			`pi_register(&epat);`
442			`};`
443			`#endif`
444			`#ifdef CONFIG_PARIDE_EPIA`
445			`{ extern struct pi_protocol epia;`
446			`pi_register(&epia);`
447			`};`
448			`#endif`
449			`#ifdef CONFIG_PARIDE_FRPW`
450			`{ extern struct pi_protocol frpw;`
451			`pi_register(&frpw);`
452			`};`
453			`#endif`
454			`#ifdef CONFIG_PARIDE_FRIQ`
455			`{ extern struct pi_protocol friq;`
456			`pi_register(&friq);`
457			`};`
458			`#endif`
459			`#ifdef CONFIG_PARIDE_FIT2`
460			`{ extern struct pi_protocol fit2;`
461			`pi_register(&fit2);`
462			`};`
463			`#endif`
464			`#ifdef CONFIG_PARIDE_FIT3`
465			`{ extern struct pi_protocol fit3;`
466			`pi_register(&fit3);`
467			`};`
468			`#endif`
469			`#ifdef CONFIG_PARIDE_KBIC`
470			`{ extern struct pi_protocol k951;`
471			`extern struct pi_protocol k971;`
472			`pi_register(&k951);`
473			`pi_register(&k971);`
474			`};`
475			`#endif`
476			`#ifdef CONFIG_PARIDE_KTTI`
477			`{ extern struct pi_protocol ktti;`
478			`pi_register(&ktti);`
479			`};`
480			`#endif`
481			`#ifdef CONFIG_PARIDE_ON20`
482			`{ extern struct pi_protocol on20;`
483			`pi_register(&on20);`
484			`};`
485			`#endif`
486			`#ifdef CONFIG_PARIDE_ON26`
487			`{ extern struct pi_protocol on26;`
488			`pi_register(&on26);`
489			`};`
490			`#endif`
491
492			`#ifdef CONFIG_PARIDE_PD`
493			`{ extern int pd_init(void);`
494			`pd_init();`
495			`};`
496			`#endif`
497			`#ifdef CONFIG_PARIDE_PCD`
498			`{ extern int pcd_init(void);`
499			`pcd_init();`
500			`};`
501			`#endif`
502			`#ifdef CONFIG_PARIDE_PF`
503			`{ extern int pf_init(void);`
504			`pf_init();`
505			`};`
506			`#endif`
507			`#ifdef CONFIG_PARIDE_PT`
508			`{ extern int pt_init(void);`
509			`pt_init();`
510			`};`
511			`#endif`
512			`#ifdef CONFIG_PARIDE_PG`
513			`{ extern int pg_init(void);`
514			`pg_init();`
515			`};`
516			`#endif`
517			`}`
518
519			`#endif`
520
521			`/* end of paride.c */`