[PATCH] 64bit resource: change pnp core to use resource_size_t
[linux-2.6.git] / drivers / pnp / interface.c
1 /*
2  * interface.c - contains everything related to the user interface
3  *
4  * Some code, especially possible resource dumping is based on isapnp_proc.c (c) Jaroslav Kysela <perex@suse.cz>
5  * Copyright 2002 Adam Belay <ambx1@neo.rr.com>
6  *
7  */
8
9 #include <linux/pnp.h>
10 #include <linux/string.h>
11 #include <linux/errno.h>
12 #include <linux/list.h>
13 #include <linux/types.h>
14 #include <linux/stat.h>
15 #include <linux/ctype.h>
16 #include <linux/slab.h>
17 #include <asm/uaccess.h>
18
19 #include "base.h"
20
21 struct pnp_info_buffer {
22         char *buffer;           /* pointer to begin of buffer */
23         char *curr;             /* current position in buffer */
24         unsigned long size;     /* current size */
25         unsigned long len;      /* total length of buffer */
26         int stop;               /* stop flag */
27         int error;              /* error code */
28 };
29
30 typedef struct pnp_info_buffer pnp_info_buffer_t;
31
32 static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt,...)
33 {
34         va_list args;
35         int res;
36
37         if (buffer->stop || buffer->error)
38                 return 0;
39         va_start(args, fmt);
40         res = vsnprintf(buffer->curr, buffer->len - buffer->size, fmt, args);
41         va_end(args);
42         if (buffer->size + res >= buffer->len) {
43                 buffer->stop = 1;
44                 return 0;
45         }
46         buffer->curr += res;
47         buffer->size += res;
48         return res;
49 }
50
51 static void pnp_print_port(pnp_info_buffer_t *buffer, char *space, struct pnp_port *port)
52 {
53         pnp_printf(buffer, "%sport 0x%x-0x%x, align 0x%x, size 0x%x, %i-bit address decoding\n",
54                         space, port->min, port->max, port->align ? (port->align-1) : 0, port->size,
55                         port->flags & PNP_PORT_FLAG_16BITADDR ? 16 : 10);
56 }
57
58 static void pnp_print_irq(pnp_info_buffer_t *buffer, char *space, struct pnp_irq *irq)
59 {
60         int first = 1, i;
61
62         pnp_printf(buffer, "%sirq ", space);
63         for (i = 0; i < PNP_IRQ_NR; i++)
64                 if (test_bit(i, irq->map)) {
65                         if (!first) {
66                                 pnp_printf(buffer, ",");
67                         } else {
68                                 first = 0;
69                         }
70                         if (i == 2 || i == 9)
71                                 pnp_printf(buffer, "2/9");
72                         else
73                                 pnp_printf(buffer, "%i", i);
74                 }
75         if (bitmap_empty(irq->map, PNP_IRQ_NR))
76                 pnp_printf(buffer, "<none>");
77         if (irq->flags & IORESOURCE_IRQ_HIGHEDGE)
78                 pnp_printf(buffer, " High-Edge");
79         if (irq->flags & IORESOURCE_IRQ_LOWEDGE)
80                 pnp_printf(buffer, " Low-Edge");
81         if (irq->flags & IORESOURCE_IRQ_HIGHLEVEL)
82                 pnp_printf(buffer, " High-Level");
83         if (irq->flags & IORESOURCE_IRQ_LOWLEVEL)
84                 pnp_printf(buffer, " Low-Level");
85         pnp_printf(buffer, "\n");
86 }
87
88 static void pnp_print_dma(pnp_info_buffer_t *buffer, char *space, struct pnp_dma *dma)
89 {
90         int first = 1, i;
91         char *s;
92
93         pnp_printf(buffer, "%sdma ", space);
94         for (i = 0; i < 8; i++)
95                 if (dma->map & (1<<i)) {
96                         if (!first) {
97                                 pnp_printf(buffer, ",");
98                         } else {
99                                 first = 0;
100                         }
101                         pnp_printf(buffer, "%i", i);
102                 }
103         if (!dma->map)
104                 pnp_printf(buffer, "<none>");
105         switch (dma->flags & IORESOURCE_DMA_TYPE_MASK) {
106         case IORESOURCE_DMA_8BIT:
107                 s = "8-bit";
108                 break;
109         case IORESOURCE_DMA_8AND16BIT:
110                 s = "8-bit&16-bit";
111                 break;
112         default:
113                 s = "16-bit";
114         }
115         pnp_printf(buffer, " %s", s);
116         if (dma->flags & IORESOURCE_DMA_MASTER)
117                 pnp_printf(buffer, " master");
118         if (dma->flags & IORESOURCE_DMA_BYTE)
119                 pnp_printf(buffer, " byte-count");
120         if (dma->flags & IORESOURCE_DMA_WORD)
121                 pnp_printf(buffer, " word-count");
122         switch (dma->flags & IORESOURCE_DMA_SPEED_MASK) {
123         case IORESOURCE_DMA_TYPEA:
124                 s = "type-A";
125                 break;
126         case IORESOURCE_DMA_TYPEB:
127                 s = "type-B";
128                 break;
129         case IORESOURCE_DMA_TYPEF:
130                 s = "type-F";
131                 break;
132         default:
133                 s = "compatible";
134                 break;
135         }
136         pnp_printf(buffer, " %s\n", s);
137 }
138
139 static void pnp_print_mem(pnp_info_buffer_t *buffer, char *space, struct pnp_mem *mem)
140 {
141         char *s;
142
143         pnp_printf(buffer, "%sMemory 0x%x-0x%x, align 0x%x, size 0x%x",
144                         space, mem->min, mem->max, mem->align, mem->size);
145         if (mem->flags & IORESOURCE_MEM_WRITEABLE)
146                 pnp_printf(buffer, ", writeable");
147         if (mem->flags & IORESOURCE_MEM_CACHEABLE)
148                 pnp_printf(buffer, ", cacheable");
149         if (mem->flags & IORESOURCE_MEM_RANGELENGTH)
150                 pnp_printf(buffer, ", range-length");
151         if (mem->flags & IORESOURCE_MEM_SHADOWABLE)
152                 pnp_printf(buffer, ", shadowable");
153         if (mem->flags & IORESOURCE_MEM_EXPANSIONROM)
154                 pnp_printf(buffer, ", expansion ROM");
155         switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) {
156         case IORESOURCE_MEM_8BIT:
157                 s = "8-bit";
158                 break;
159         case IORESOURCE_MEM_8AND16BIT:
160                 s = "8-bit&16-bit";
161                 break;
162         case IORESOURCE_MEM_32BIT:
163                 s = "32-bit";
164                 break;
165         default:
166                 s = "16-bit";
167         }
168         pnp_printf(buffer, ", %s\n", s);
169 }
170
171 static void pnp_print_option(pnp_info_buffer_t *buffer, char *space,
172                              struct pnp_option *option, int dep)
173 {
174         char *s;
175         struct pnp_port *port;
176         struct pnp_irq *irq;
177         struct pnp_dma *dma;
178         struct pnp_mem *mem;
179
180         if (dep) {
181                 switch (option->priority) {
182                         case PNP_RES_PRIORITY_PREFERRED:
183                         s = "preferred";
184                         break;
185                         case PNP_RES_PRIORITY_ACCEPTABLE:
186                         s = "acceptable";
187                         break;
188                         case PNP_RES_PRIORITY_FUNCTIONAL:
189                         s = "functional";
190                         break;
191                         default:
192                         s = "invalid";
193                 }
194                 pnp_printf(buffer, "Dependent: %02i - Priority %s\n",dep, s);
195         }
196
197         for (port = option->port; port; port = port->next)
198                 pnp_print_port(buffer, space, port);
199         for (irq = option->irq; irq; irq = irq->next)
200                 pnp_print_irq(buffer, space, irq);
201         for (dma = option->dma; dma; dma = dma->next)
202                 pnp_print_dma(buffer, space, dma);
203         for (mem = option->mem; mem; mem = mem->next)
204                 pnp_print_mem(buffer, space, mem);
205 }
206
207
208 static ssize_t pnp_show_options(struct device *dmdev, struct device_attribute *attr, char *buf)
209 {
210         struct pnp_dev *dev = to_pnp_dev(dmdev);
211         struct pnp_option * independent = dev->independent;
212         struct pnp_option * dependent = dev->dependent;
213         int ret, dep = 1;
214
215         pnp_info_buffer_t *buffer = (pnp_info_buffer_t *)
216                                  pnp_alloc(sizeof(pnp_info_buffer_t));
217         if (!buffer)
218                 return -ENOMEM;
219
220         buffer->len = PAGE_SIZE;
221         buffer->buffer = buf;
222         buffer->curr = buffer->buffer;
223         if (independent)
224                 pnp_print_option(buffer, "", independent, 0);
225
226         while (dependent){
227                 pnp_print_option(buffer, "   ", dependent, dep);
228                 dependent = dependent->next;
229                 dep++;
230         }
231         ret = (buffer->curr - buf);
232         kfree(buffer);
233         return ret;
234 }
235
236 static DEVICE_ATTR(options,S_IRUGO,pnp_show_options,NULL);
237
238
239 static ssize_t pnp_show_current_resources(struct device *dmdev, struct device_attribute *attr, char *buf)
240 {
241         struct pnp_dev *dev = to_pnp_dev(dmdev);
242         int i, ret;
243         pnp_info_buffer_t *buffer;
244
245         if (!dev)
246                 return -EINVAL;
247
248         buffer = (pnp_info_buffer_t *) pnp_alloc(sizeof(pnp_info_buffer_t));
249         if (!buffer)
250                 return -ENOMEM;
251         buffer->len = PAGE_SIZE;
252         buffer->buffer = buf;
253         buffer->curr = buffer->buffer;
254
255         pnp_printf(buffer,"state = ");
256         if (dev->active)
257                 pnp_printf(buffer,"active\n");
258         else
259                 pnp_printf(buffer,"disabled\n");
260
261         for (i = 0; i < PNP_MAX_PORT; i++) {
262                 if (pnp_port_valid(dev, i)) {
263                         pnp_printf(buffer,"io");
264                         if (pnp_port_flags(dev, i) & IORESOURCE_DISABLED)
265                                 pnp_printf(buffer," disabled\n");
266                         else
267                                 pnp_printf(buffer," 0x%llx-0x%llx\n",
268                                                 pnp_port_start(dev, i),
269                                                 pnp_port_end(dev, i));
270                 }
271         }
272         for (i = 0; i < PNP_MAX_MEM; i++) {
273                 if (pnp_mem_valid(dev, i)) {
274                         pnp_printf(buffer,"mem");
275                         if (pnp_mem_flags(dev, i) & IORESOURCE_DISABLED)
276                                 pnp_printf(buffer," disabled\n");
277                         else
278                                 pnp_printf(buffer," 0x%llx-0x%llx\n",
279                                                 pnp_mem_start(dev, i),
280                                                 pnp_mem_end(dev, i));
281                 }
282         }
283         for (i = 0; i < PNP_MAX_IRQ; i++) {
284                 if (pnp_irq_valid(dev, i)) {
285                         pnp_printf(buffer,"irq");
286                         if (pnp_irq_flags(dev, i) & IORESOURCE_DISABLED)
287                                 pnp_printf(buffer," disabled\n");
288                         else
289                                 pnp_printf(buffer," %lld\n",
290                                                 pnp_irq(dev, i));
291                 }
292         }
293         for (i = 0; i < PNP_MAX_DMA; i++) {
294                 if (pnp_dma_valid(dev, i)) {
295                         pnp_printf(buffer,"dma");
296                         if (pnp_dma_flags(dev, i) & IORESOURCE_DISABLED)
297                                 pnp_printf(buffer," disabled\n");
298                         else
299                                 pnp_printf(buffer," %lld\n",
300                                                 pnp_dma(dev, i));
301                 }
302         }
303         ret = (buffer->curr - buf);
304         kfree(buffer);
305         return ret;
306 }
307
308 extern struct semaphore pnp_res_mutex;
309
310 static ssize_t
311 pnp_set_current_resources(struct device * dmdev, struct device_attribute *attr, const char * ubuf, size_t count)
312 {
313         struct pnp_dev *dev = to_pnp_dev(dmdev);
314         char    *buf = (void *)ubuf;
315         int     retval = 0;
316
317         if (dev->status & PNP_ATTACHED) {
318                 retval = -EBUSY;
319                 pnp_info("Device %s cannot be configured because it is in use.", dev->dev.bus_id);
320                 goto done;
321         }
322
323         while (isspace(*buf))
324                 ++buf;
325         if (!strnicmp(buf,"disable",7)) {
326                 retval = pnp_disable_dev(dev);
327                 goto done;
328         }
329         if (!strnicmp(buf,"activate",8)) {
330                 retval = pnp_activate_dev(dev);
331                 goto done;
332         }
333         if (!strnicmp(buf,"fill",4)) {
334                 if (dev->active)
335                         goto done;
336                 retval = pnp_auto_config_dev(dev);
337                 goto done;
338         }
339         if (!strnicmp(buf,"auto",4)) {
340                 if (dev->active)
341                         goto done;
342                 pnp_init_resource_table(&dev->res);
343                 retval = pnp_auto_config_dev(dev);
344                 goto done;
345         }
346         if (!strnicmp(buf,"clear",5)) {
347                 if (dev->active)
348                         goto done;
349                 pnp_init_resource_table(&dev->res);
350                 goto done;
351         }
352         if (!strnicmp(buf,"get",3)) {
353                 down(&pnp_res_mutex);
354                 if (pnp_can_read(dev))
355                         dev->protocol->get(dev, &dev->res);
356                 up(&pnp_res_mutex);
357                 goto done;
358         }
359         if (!strnicmp(buf,"set",3)) {
360                 int nport = 0, nmem = 0, nirq = 0, ndma = 0;
361                 if (dev->active)
362                         goto done;
363                 buf += 3;
364                 pnp_init_resource_table(&dev->res);
365                 down(&pnp_res_mutex);
366                 while (1) {
367                         while (isspace(*buf))
368                                 ++buf;
369                         if (!strnicmp(buf,"io",2)) {
370                                 buf += 2;
371                                 while (isspace(*buf))
372                                         ++buf;
373                                 dev->res.port_resource[nport].start = simple_strtoul(buf,&buf,0);
374                                 while (isspace(*buf))
375                                         ++buf;
376                                 if(*buf == '-') {
377                                         buf += 1;
378                                         while (isspace(*buf))
379                                                 ++buf;
380                                         dev->res.port_resource[nport].end = simple_strtoul(buf,&buf,0);
381                                 } else
382                                         dev->res.port_resource[nport].end = dev->res.port_resource[nport].start;
383                                 dev->res.port_resource[nport].flags = IORESOURCE_IO;
384                                 nport++;
385                                 if (nport >= PNP_MAX_PORT)
386                                         break;
387                                 continue;
388                         }
389                         if (!strnicmp(buf,"mem",3)) {
390                                 buf += 3;
391                                 while (isspace(*buf))
392                                         ++buf;
393                                 dev->res.mem_resource[nmem].start = simple_strtoul(buf,&buf,0);
394                                 while (isspace(*buf))
395                                         ++buf;
396                                 if(*buf == '-') {
397                                         buf += 1;
398                                         while (isspace(*buf))
399                                                 ++buf;
400                                         dev->res.mem_resource[nmem].end = simple_strtoul(buf,&buf,0);
401                                 } else
402                                         dev->res.mem_resource[nmem].end = dev->res.mem_resource[nmem].start;
403                                 dev->res.mem_resource[nmem].flags = IORESOURCE_MEM;
404                                 nmem++;
405                                 if (nmem >= PNP_MAX_MEM)
406                                         break;
407                                 continue;
408                         }
409                         if (!strnicmp(buf,"irq",3)) {
410                                 buf += 3;
411                                 while (isspace(*buf))
412                                         ++buf;
413                                 dev->res.irq_resource[nirq].start =
414                                 dev->res.irq_resource[nirq].end = simple_strtoul(buf,&buf,0);
415                                 dev->res.irq_resource[nirq].flags = IORESOURCE_IRQ;
416                                 nirq++;
417                                 if (nirq >= PNP_MAX_IRQ)
418                                         break;
419                                 continue;
420                         }
421                         if (!strnicmp(buf,"dma",3)) {
422                                 buf += 3;
423                                 while (isspace(*buf))
424                                         ++buf;
425                                 dev->res.dma_resource[ndma].start =
426                                 dev->res.dma_resource[ndma].end = simple_strtoul(buf,&buf,0);
427                                 dev->res.dma_resource[ndma].flags = IORESOURCE_DMA;
428                                 ndma++;
429                                 if (ndma >= PNP_MAX_DMA)
430                                         break;
431                                 continue;
432                         }
433                         break;
434                 }
435                 up(&pnp_res_mutex);
436                 goto done;
437         }
438  done:
439         if (retval < 0)
440                 return retval;
441         return count;
442 }
443
444 static DEVICE_ATTR(resources,S_IRUGO | S_IWUSR,
445                    pnp_show_current_resources,pnp_set_current_resources);
446
447 static ssize_t pnp_show_current_ids(struct device *dmdev, struct device_attribute *attr, char *buf)
448 {
449         char *str = buf;
450         struct pnp_dev *dev = to_pnp_dev(dmdev);
451         struct pnp_id * pos = dev->id;
452
453         while (pos) {
454                 str += sprintf(str,"%s\n", pos->id);
455                 pos = pos->next;
456         }
457         return (str - buf);
458 }
459
460 static DEVICE_ATTR(id,S_IRUGO,pnp_show_current_ids,NULL);
461
462 int pnp_interface_attach_device(struct pnp_dev *dev)
463 {
464         device_create_file(&dev->dev,&dev_attr_options);
465         device_create_file(&dev->dev,&dev_attr_resources);
466         device_create_file(&dev->dev,&dev_attr_id);
467         return 0;
468 }