2 * interface.c - contains everything related to the user interface
4 * Some code, especially possible resource dumping is based on isapnp_proc.c (c) Jaroslav Kysela <perex@perex.cz>
5 * Copyright 2002 Adam Belay <ambx1@neo.rr.com>
9 #include <linux/string.h>
10 #include <linux/errno.h>
11 #include <linux/list.h>
12 #include <linux/types.h>
13 #include <linux/pnp.h>
14 #include <linux/stat.h>
15 #include <linux/ctype.h>
16 #include <linux/slab.h>
17 #include <linux/mutex.h>
19 #include <asm/uaccess.h>
23 struct pnp_info_buffer {
24 char *buffer; /* pointer to begin of buffer */
25 char *curr; /* current position in buffer */
26 unsigned long size; /* current size */
27 unsigned long len; /* total length of buffer */
28 int stop; /* stop flag */
29 int error; /* error code */
32 typedef struct pnp_info_buffer pnp_info_buffer_t;
34 static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt, ...)
39 if (buffer->stop || buffer->error)
42 res = vsnprintf(buffer->curr, buffer->len - buffer->size, fmt, args);
44 if (buffer->size + res >= buffer->len) {
53 static void pnp_print_port(pnp_info_buffer_t * buffer, char *space,
54 struct pnp_port *port)
56 pnp_printf(buffer, "%sport %#llx-%#llx, align %#llx, size %#llx, "
57 "%i-bit address decoding\n", space,
58 (unsigned long long) port->min,
59 (unsigned long long) port->max,
60 port->align ? ((unsigned long long) port->align - 1) : 0,
61 (unsigned long long) port->size,
62 port->flags & IORESOURCE_IO_16BIT_ADDR ? 16 : 10);
65 static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space,
70 pnp_printf(buffer, "%sirq ", space);
71 for (i = 0; i < PNP_IRQ_NR; i++)
72 if (test_bit(i, irq->map.bits)) {
74 pnp_printf(buffer, ",");
79 pnp_printf(buffer, "2/9");
81 pnp_printf(buffer, "%i", i);
83 if (bitmap_empty(irq->map.bits, PNP_IRQ_NR))
84 pnp_printf(buffer, "<none>");
85 if (irq->flags & IORESOURCE_IRQ_HIGHEDGE)
86 pnp_printf(buffer, " High-Edge");
87 if (irq->flags & IORESOURCE_IRQ_LOWEDGE)
88 pnp_printf(buffer, " Low-Edge");
89 if (irq->flags & IORESOURCE_IRQ_HIGHLEVEL)
90 pnp_printf(buffer, " High-Level");
91 if (irq->flags & IORESOURCE_IRQ_LOWLEVEL)
92 pnp_printf(buffer, " Low-Level");
93 if (irq->flags & IORESOURCE_IRQ_OPTIONAL)
94 pnp_printf(buffer, " (optional)");
95 pnp_printf(buffer, "\n");
98 static void pnp_print_dma(pnp_info_buffer_t * buffer, char *space,
104 pnp_printf(buffer, "%sdma ", space);
105 for (i = 0; i < 8; i++)
106 if (dma->map & (1 << i)) {
108 pnp_printf(buffer, ",");
112 pnp_printf(buffer, "%i", i);
115 pnp_printf(buffer, "<none>");
116 switch (dma->flags & IORESOURCE_DMA_TYPE_MASK) {
117 case IORESOURCE_DMA_8BIT:
120 case IORESOURCE_DMA_8AND16BIT:
126 pnp_printf(buffer, " %s", s);
127 if (dma->flags & IORESOURCE_DMA_MASTER)
128 pnp_printf(buffer, " master");
129 if (dma->flags & IORESOURCE_DMA_BYTE)
130 pnp_printf(buffer, " byte-count");
131 if (dma->flags & IORESOURCE_DMA_WORD)
132 pnp_printf(buffer, " word-count");
133 switch (dma->flags & IORESOURCE_DMA_SPEED_MASK) {
134 case IORESOURCE_DMA_TYPEA:
137 case IORESOURCE_DMA_TYPEB:
140 case IORESOURCE_DMA_TYPEF:
147 pnp_printf(buffer, " %s\n", s);
150 static void pnp_print_mem(pnp_info_buffer_t * buffer, char *space,
155 pnp_printf(buffer, "%sMemory %#llx-%#llx, align %#llx, size %#llx",
156 space, (unsigned long long) mem->min,
157 (unsigned long long) mem->max,
158 (unsigned long long) mem->align,
159 (unsigned long long) mem->size);
160 if (mem->flags & IORESOURCE_MEM_WRITEABLE)
161 pnp_printf(buffer, ", writeable");
162 if (mem->flags & IORESOURCE_MEM_CACHEABLE)
163 pnp_printf(buffer, ", cacheable");
164 if (mem->flags & IORESOURCE_MEM_RANGELENGTH)
165 pnp_printf(buffer, ", range-length");
166 if (mem->flags & IORESOURCE_MEM_SHADOWABLE)
167 pnp_printf(buffer, ", shadowable");
168 if (mem->flags & IORESOURCE_MEM_EXPANSIONROM)
169 pnp_printf(buffer, ", expansion ROM");
170 switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) {
171 case IORESOURCE_MEM_8BIT:
174 case IORESOURCE_MEM_8AND16BIT:
177 case IORESOURCE_MEM_32BIT:
183 pnp_printf(buffer, ", %s\n", s);
186 static void pnp_print_option(pnp_info_buffer_t * buffer, char *space,
187 struct pnp_option *option, int dep)
190 struct pnp_port *port;
196 switch (option->priority) {
197 case PNP_RES_PRIORITY_PREFERRED:
200 case PNP_RES_PRIORITY_ACCEPTABLE:
203 case PNP_RES_PRIORITY_FUNCTIONAL:
209 pnp_printf(buffer, "Dependent: %02i - Priority %s\n", dep, s);
212 for (port = option->port; port; port = port->next)
213 pnp_print_port(buffer, space, port);
214 for (irq = option->irq; irq; irq = irq->next)
215 pnp_print_irq(buffer, space, irq);
216 for (dma = option->dma; dma; dma = dma->next)
217 pnp_print_dma(buffer, space, dma);
218 for (mem = option->mem; mem; mem = mem->next)
219 pnp_print_mem(buffer, space, mem);
222 static ssize_t pnp_show_options(struct device *dmdev,
223 struct device_attribute *attr, char *buf)
225 struct pnp_dev *dev = to_pnp_dev(dmdev);
226 pnp_info_buffer_t *buffer;
227 struct pnp_option *independent = dev->independent;
228 struct pnp_option *dependent = dev->dependent;
231 buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
235 buffer->len = PAGE_SIZE;
236 buffer->buffer = buf;
237 buffer->curr = buffer->buffer;
239 pnp_print_option(buffer, "", independent, 0);
242 pnp_print_option(buffer, " ", dependent, dep);
243 dependent = dependent->next;
246 ret = (buffer->curr - buf);
251 static DEVICE_ATTR(options, S_IRUGO, pnp_show_options, NULL);
253 static ssize_t pnp_show_current_resources(struct device *dmdev,
254 struct device_attribute *attr,
257 struct pnp_dev *dev = to_pnp_dev(dmdev);
258 pnp_info_buffer_t *buffer;
259 struct pnp_resource *pnp_res;
260 struct resource *res;
266 buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
270 buffer->len = PAGE_SIZE;
271 buffer->buffer = buf;
272 buffer->curr = buffer->buffer;
274 pnp_printf(buffer, "state = %s\n", dev->active ? "active" : "disabled");
276 list_for_each_entry(pnp_res, &dev->resources, list) {
279 pnp_printf(buffer, pnp_resource_type_name(res));
281 if (res->flags & IORESOURCE_DISABLED) {
282 pnp_printf(buffer, " disabled\n");
286 switch (pnp_resource_type(res)) {
289 pnp_printf(buffer, " %#llx-%#llx\n",
290 (unsigned long long) res->start,
291 (unsigned long long) res->end);
295 pnp_printf(buffer, " %lld\n",
296 (unsigned long long) res->start);
301 ret = (buffer->curr - buf);
306 static ssize_t pnp_set_current_resources(struct device *dmdev,
307 struct device_attribute *attr,
308 const char *ubuf, size_t count)
310 struct pnp_dev *dev = to_pnp_dev(dmdev);
311 char *buf = (void *)ubuf;
313 resource_size_t start, end;
315 if (dev->status & PNP_ATTACHED) {
317 dev_info(&dev->dev, "in use; can't configure\n");
321 while (isspace(*buf))
323 if (!strnicmp(buf, "disable", 7)) {
324 retval = pnp_disable_dev(dev);
327 if (!strnicmp(buf, "activate", 8)) {
328 retval = pnp_activate_dev(dev);
331 if (!strnicmp(buf, "fill", 4)) {
334 retval = pnp_auto_config_dev(dev);
337 if (!strnicmp(buf, "auto", 4)) {
340 pnp_init_resources(dev);
341 retval = pnp_auto_config_dev(dev);
344 if (!strnicmp(buf, "clear", 5)) {
347 pnp_init_resources(dev);
350 if (!strnicmp(buf, "get", 3)) {
351 mutex_lock(&pnp_res_mutex);
352 if (pnp_can_read(dev))
353 dev->protocol->get(dev);
354 mutex_unlock(&pnp_res_mutex);
357 if (!strnicmp(buf, "set", 3)) {
361 pnp_init_resources(dev);
362 mutex_lock(&pnp_res_mutex);
364 while (isspace(*buf))
366 if (!strnicmp(buf, "io", 2)) {
368 while (isspace(*buf))
370 start = simple_strtoul(buf, &buf, 0);
371 while (isspace(*buf))
375 while (isspace(*buf))
377 end = simple_strtoul(buf, &buf, 0);
380 pnp_add_io_resource(dev, start, end, 0);
383 if (!strnicmp(buf, "mem", 3)) {
385 while (isspace(*buf))
387 start = simple_strtoul(buf, &buf, 0);
388 while (isspace(*buf))
392 while (isspace(*buf))
394 end = simple_strtoul(buf, &buf, 0);
397 pnp_add_mem_resource(dev, start, end, 0);
400 if (!strnicmp(buf, "irq", 3)) {
402 while (isspace(*buf))
404 start = simple_strtoul(buf, &buf, 0);
405 pnp_add_irq_resource(dev, start, 0);
408 if (!strnicmp(buf, "dma", 3)) {
410 while (isspace(*buf))
412 start = simple_strtoul(buf, &buf, 0);
413 pnp_add_dma_resource(dev, start, 0);
418 mutex_unlock(&pnp_res_mutex);
428 static DEVICE_ATTR(resources, S_IRUGO | S_IWUSR,
429 pnp_show_current_resources, pnp_set_current_resources);
431 static ssize_t pnp_show_current_ids(struct device *dmdev,
432 struct device_attribute *attr, char *buf)
435 struct pnp_dev *dev = to_pnp_dev(dmdev);
436 struct pnp_id *pos = dev->id;
439 str += sprintf(str, "%s\n", pos->id);
445 static DEVICE_ATTR(id, S_IRUGO, pnp_show_current_ids, NULL);
447 int pnp_interface_attach_device(struct pnp_dev *dev)
449 int rc = device_create_file(&dev->dev, &dev_attr_options);
453 rc = device_create_file(&dev->dev, &dev_attr_resources);
456 rc = device_create_file(&dev->dev, &dev_attr_id);
463 device_remove_file(&dev->dev, &dev_attr_resources);
465 device_remove_file(&dev->dev, &dev_attr_options);