1 // SPDX-License-Identifier: GPL-2.0
3  * interface.c - contains everything related to the user interface
7  * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
42 	if (buffer->stop || buffer->error)  in pnp_printf()
45 	res = vsnprintf(buffer->curr, buffer->len - buffer->size, fmt, args);  in pnp_printf()
47 	if (buffer->size + res >= buffer->len) {  in pnp_printf()
48 		buffer->stop = 1;  in pnp_printf()
51 	buffer->curr += res;  in pnp_printf()
52 	buffer->size += res;  in pnp_printf()
59 	pnp_printf(buffer, "%sport %#llx-%#llx, align %#llx, size %#llx, "  in pnp_print_port()
60 		   "%i-bit address decoding\n", space,  in pnp_print_port()
61 		   (unsigned long long) port->min,  in pnp_print_port()
62 		   (unsigned long long) port->max,  in pnp_print_port()
63 		   port->align ? ((unsigned long long) port->align - 1) : 0,  in pnp_print_port()
64 		   (unsigned long long) port->size,  in pnp_print_port()
65 		   port->flags & IORESOURCE_IO_16BIT_ADDR ? 16 : 10);  in pnp_print_port()
75 		if (test_bit(i, irq->map.bits)) {  in pnp_print_irq()
86 	if (bitmap_empty(irq->map.bits, PNP_IRQ_NR))  in pnp_print_irq()
88 	if (irq->flags & IORESOURCE_IRQ_HIGHEDGE)  in pnp_print_irq()
89 		pnp_printf(buffer, " High-Edge");  in pnp_print_irq()
90 	if (irq->flags & IORESOURCE_IRQ_LOWEDGE)  in pnp_print_irq()
91 		pnp_printf(buffer, " Low-Edge");  in pnp_print_irq()
92 	if (irq->flags & IORESOURCE_IRQ_HIGHLEVEL)  in pnp_print_irq()
93 		pnp_printf(buffer, " High-Level");  in pnp_print_irq()
94 	if (irq->flags & IORESOURCE_IRQ_LOWLEVEL)  in pnp_print_irq()
95 		pnp_printf(buffer, " Low-Level");  in pnp_print_irq()
96 	if (irq->flags & IORESOURCE_IRQ_OPTIONAL)  in pnp_print_irq()
102 			  struct pnp_dma *dma)  in pnp_print_dma()  argument
109 		if (dma->map & (1 << i)) {  in pnp_print_dma()
117 	if (!dma->map)  in pnp_print_dma()
119 	switch (dma->flags & IORESOURCE_DMA_TYPE_MASK) {  in pnp_print_dma()
121 		s = "8-bit";  in pnp_print_dma()
124 		s = "8-bit&16-bit";  in pnp_print_dma()
127 		s = "16-bit";  in pnp_print_dma()
130 	if (dma->flags & IORESOURCE_DMA_MASTER)  in pnp_print_dma()
132 	if (dma->flags & IORESOURCE_DMA_BYTE)  in pnp_print_dma()
133 		pnp_printf(buffer, " byte-count");  in pnp_print_dma()
134 	if (dma->flags & IORESOURCE_DMA_WORD)  in pnp_print_dma()
135 		pnp_printf(buffer, " word-count");  in pnp_print_dma()
136 	switch (dma->flags & IORESOURCE_DMA_SPEED_MASK) {  in pnp_print_dma()
138 		s = "type-A";  in pnp_print_dma()
141 		s = "type-B";  in pnp_print_dma()
144 		s = "type-F";  in pnp_print_dma()
154 			  struct pnp_mem *mem)  in pnp_print_mem()  argument
158 	pnp_printf(buffer, "%sMemory %#llx-%#llx, align %#llx, size %#llx",  in pnp_print_mem()
159 		   space, (unsigned long long) mem->min,  in pnp_print_mem()
160 		   (unsigned long long) mem->max,  in pnp_print_mem()
161 		   (unsigned long long) mem->align,  in pnp_print_mem()
162 		   (unsigned long long) mem->size);  in pnp_print_mem()
163 	if (mem->flags & IORESOURCE_MEM_WRITEABLE)  in pnp_print_mem()
165 	if (mem->flags & IORESOURCE_MEM_CACHEABLE)  in pnp_print_mem()
167 	if (mem->flags & IORESOURCE_MEM_RANGELENGTH)  in pnp_print_mem()
168 		pnp_printf(buffer, ", range-length");  in pnp_print_mem()
169 	if (mem->flags & IORESOURCE_MEM_SHADOWABLE)  in pnp_print_mem()
171 	if (mem->flags & IORESOURCE_MEM_EXPANSIONROM)  in pnp_print_mem()
173 	switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) {  in pnp_print_mem()
175 		s = "8-bit";  in pnp_print_mem()
178 		s = "8-bit&16-bit";  in pnp_print_mem()
181 		s = "32-bit";  in pnp_print_mem()
184 		s = "16-bit";  in pnp_print_mem()
192 	switch (option->type) {  in pnp_print_option()
194 		pnp_print_port(buffer, space, &option->u.port);  in pnp_print_option()
197 		pnp_print_mem(buffer, space, &option->u.mem);  in pnp_print_option()
200 		pnp_print_irq(buffer, space, &option->u.irq);  in pnp_print_option()
203 		pnp_print_dma(buffer, space, &option->u.dma);  in pnp_print_option()
219 		return -ENOMEM;  in options_show()
221 	buffer->len = PAGE_SIZE;  in options_show()
222 	buffer->buffer = buf;  in options_show()
223 	buffer->curr = buffer->buffer;  in options_show()
225 	list_for_each_entry(option, &dev->options, list) {  in options_show()
231 				pnp_printf(buffer, "Dependent: %02i - "  in options_show()
242 	ret = (buffer->curr - buf);  in options_show()
258 		return -EINVAL;  in resources_show()
262 		return -ENOMEM;  in resources_show()
264 	buffer->len = PAGE_SIZE;  in resources_show()
265 	buffer->buffer = buf;  in resources_show()
266 	buffer->curr = buffer->buffer;  in resources_show()
268 	pnp_printf(buffer, "state = %s\n", dev->active ? "active" : "disabled");  in resources_show()
270 	list_for_each_entry(pnp_res, &dev->resources, list) {  in resources_show()
271 		res = &pnp_res->res;  in resources_show()
275 		if (res->flags & IORESOURCE_DISABLED) {  in resources_show()
284 			pnp_printf(buffer, " %#llx-%#llx%s\n",  in resources_show()
285 				   (unsigned long long) res->start,  in resources_show()
286 				   (unsigned long long) res->end,  in resources_show()
287 				   res->flags & IORESOURCE_WINDOW ?  in resources_show()
293 				   (unsigned long long) res->start);  in resources_show()
298 	ret = (buffer->curr - buf);  in resources_show()
323 			if (*buf == '-') {  in pnp_get_resource_value()
344 	if (dev->status & PNP_ATTACHED) {  in resources_store()
345 		retval = -EBUSY;  in resources_store()
346 		dev_info(&dev->dev, "in use; can't configure\n");  in resources_store()
360 		if (dev->active)  in resources_store()
366 		if (dev->active)  in resources_store()
373 		if (dev->active)  in resources_store()
381 			dev->protocol->get(dev);  in resources_store()
390 		if (dev->active)  in resources_store()
403 			} else if (!strncasecmp(buf, "mem", 3)) {  in resources_store()
415 			} else if (!strncasecmp(buf, "dma", 3)) {  in resources_store()
446 	struct pnp_id *pos = dev->id;  in id_show()
449 		str += sprintf(str, "%s\n", pos->id);  in id_show()
450 		pos = pos->next;  in id_show()
452 	return (str - buf);  in id_show()