Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * interface.c - contains everything related to the user interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Some code, especially possible resource dumping is based on isapnp_proc.c (c) Jaroslav Kysela <perex@perex.cz>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright 2002 Adam Belay <ambx1@neo.rr.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  *	Bjorn Helgaas <bjorn.helgaas@hp.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/pnp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/list.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include "base.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) struct pnp_info_buffer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	char *buffer;		/* pointer to begin of buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	char *curr;		/* current position in buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	unsigned long size;	/* current size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	unsigned long len;	/* total length of buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	int stop;		/* stop flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	int error;		/* error code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) typedef struct pnp_info_buffer pnp_info_buffer_t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	va_list args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	if (buffer->stop || buffer->error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	va_start(args, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	res = vsnprintf(buffer->curr, buffer->len - buffer->size, fmt, args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	va_end(args);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	if (buffer->size + res >= buffer->len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		buffer->stop = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	buffer->curr += res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	buffer->size += res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) static void pnp_print_port(pnp_info_buffer_t * buffer, char *space,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 			   struct pnp_port *port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	pnp_printf(buffer, "%sport %#llx-%#llx, align %#llx, size %#llx, "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		   "%i-bit address decoding\n", space,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		   (unsigned long long) port->min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		   (unsigned long long) port->max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		   port->align ? ((unsigned long long) port->align - 1) : 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		   (unsigned long long) port->size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		   port->flags & IORESOURCE_IO_16BIT_ADDR ? 16 : 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 			  struct pnp_irq *irq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	int first = 1, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	pnp_printf(buffer, "%sirq ", space);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	for (i = 0; i < PNP_IRQ_NR; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		if (test_bit(i, irq->map.bits)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 			if (!first) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 				pnp_printf(buffer, ",");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 				first = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 			if (i == 2 || i == 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 				pnp_printf(buffer, "2/9");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 				pnp_printf(buffer, "%i", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	if (bitmap_empty(irq->map.bits, PNP_IRQ_NR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		pnp_printf(buffer, "<none>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	if (irq->flags & IORESOURCE_IRQ_HIGHEDGE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		pnp_printf(buffer, " High-Edge");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	if (irq->flags & IORESOURCE_IRQ_LOWEDGE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		pnp_printf(buffer, " Low-Edge");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	if (irq->flags & IORESOURCE_IRQ_HIGHLEVEL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		pnp_printf(buffer, " High-Level");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	if (irq->flags & IORESOURCE_IRQ_LOWLEVEL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		pnp_printf(buffer, " Low-Level");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	if (irq->flags & IORESOURCE_IRQ_OPTIONAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		pnp_printf(buffer, " (optional)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	pnp_printf(buffer, "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static void pnp_print_dma(pnp_info_buffer_t * buffer, char *space,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 			  struct pnp_dma *dma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	int first = 1, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	char *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	pnp_printf(buffer, "%sdma ", space);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	for (i = 0; i < 8; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		if (dma->map & (1 << i)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 			if (!first) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 				pnp_printf(buffer, ",");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 				first = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 			pnp_printf(buffer, "%i", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	if (!dma->map)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 		pnp_printf(buffer, "<none>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	switch (dma->flags & IORESOURCE_DMA_TYPE_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	case IORESOURCE_DMA_8BIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 		s = "8-bit";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	case IORESOURCE_DMA_8AND16BIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 		s = "8-bit&16-bit";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		s = "16-bit";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	pnp_printf(buffer, " %s", s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	if (dma->flags & IORESOURCE_DMA_MASTER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 		pnp_printf(buffer, " master");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	if (dma->flags & IORESOURCE_DMA_BYTE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		pnp_printf(buffer, " byte-count");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	if (dma->flags & IORESOURCE_DMA_WORD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		pnp_printf(buffer, " word-count");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	switch (dma->flags & IORESOURCE_DMA_SPEED_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	case IORESOURCE_DMA_TYPEA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		s = "type-A";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	case IORESOURCE_DMA_TYPEB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		s = "type-B";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	case IORESOURCE_DMA_TYPEF:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		s = "type-F";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		s = "compatible";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	pnp_printf(buffer, " %s\n", s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static void pnp_print_mem(pnp_info_buffer_t * buffer, char *space,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 			  struct pnp_mem *mem)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	char *s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	pnp_printf(buffer, "%sMemory %#llx-%#llx, align %#llx, size %#llx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		   space, (unsigned long long) mem->min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		   (unsigned long long) mem->max,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		   (unsigned long long) mem->align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		   (unsigned long long) mem->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (mem->flags & IORESOURCE_MEM_WRITEABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		pnp_printf(buffer, ", writeable");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	if (mem->flags & IORESOURCE_MEM_CACHEABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		pnp_printf(buffer, ", cacheable");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	if (mem->flags & IORESOURCE_MEM_RANGELENGTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		pnp_printf(buffer, ", range-length");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	if (mem->flags & IORESOURCE_MEM_SHADOWABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 		pnp_printf(buffer, ", shadowable");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	if (mem->flags & IORESOURCE_MEM_EXPANSIONROM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		pnp_printf(buffer, ", expansion ROM");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	case IORESOURCE_MEM_8BIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		s = "8-bit";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	case IORESOURCE_MEM_8AND16BIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		s = "8-bit&16-bit";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	case IORESOURCE_MEM_32BIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		s = "32-bit";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		s = "16-bit";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	pnp_printf(buffer, ", %s\n", s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static void pnp_print_option(pnp_info_buffer_t * buffer, char *space,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 			     struct pnp_option *option)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	switch (option->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	case IORESOURCE_IO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		pnp_print_port(buffer, space, &option->u.port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	case IORESOURCE_MEM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		pnp_print_mem(buffer, space, &option->u.mem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	case IORESOURCE_IRQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		pnp_print_irq(buffer, space, &option->u.irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	case IORESOURCE_DMA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		pnp_print_dma(buffer, space, &option->u.dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) static ssize_t options_show(struct device *dmdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 			    char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	struct pnp_dev *dev = to_pnp_dev(dmdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	pnp_info_buffer_t *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	struct pnp_option *option;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	int ret, dep = 0, set = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	char *indent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	buffer->len = PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	buffer->buffer = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	buffer->curr = buffer->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	list_for_each_entry(option, &dev->options, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		if (pnp_option_is_dependent(option)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 			indent = "  ";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			if (!dep || pnp_option_set(option) != set) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 				set = pnp_option_set(option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 				dep = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 				pnp_printf(buffer, "Dependent: %02i - "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 					   "Priority %s\n", set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 					   pnp_option_priority_name(option));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 			dep = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 			indent = "";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		pnp_print_option(buffer, indent, option);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	ret = (buffer->curr - buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) static DEVICE_ATTR_RO(options);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) static ssize_t resources_show(struct device *dmdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 			      struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	struct pnp_dev *dev = to_pnp_dev(dmdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	pnp_info_buffer_t *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	struct pnp_resource *pnp_res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	if (!dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	buffer = pnp_alloc(sizeof(pnp_info_buffer_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	buffer->len = PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	buffer->buffer = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	buffer->curr = buffer->buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	pnp_printf(buffer, "state = %s\n", dev->active ? "active" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	list_for_each_entry(pnp_res, &dev->resources, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 		res = &pnp_res->res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 		pnp_printf(buffer, pnp_resource_type_name(res));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 		if (res->flags & IORESOURCE_DISABLED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 			pnp_printf(buffer, " disabled\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		switch (pnp_resource_type(res)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 		case IORESOURCE_IO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 		case IORESOURCE_MEM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 		case IORESOURCE_BUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 			pnp_printf(buffer, " %#llx-%#llx%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 				   (unsigned long long) res->start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 				   (unsigned long long) res->end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 				   res->flags & IORESOURCE_WINDOW ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 					" window" : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 		case IORESOURCE_IRQ:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		case IORESOURCE_DMA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 			pnp_printf(buffer, " %lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 				   (unsigned long long) res->start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	ret = (buffer->curr - buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) static char *pnp_get_resource_value(char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 				    unsigned long type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 				    resource_size_t *start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 				    resource_size_t *end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 				    unsigned long *flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	if (start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 		*start = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	if (end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		*end = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 	if (flags)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 		*flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	/* TBD: allow for disabled resources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	buf = skip_spaces(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	if (start) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 		*start = simple_strtoull(buf, &buf, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		if (end) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 			buf = skip_spaces(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 			if (*buf == '-') {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 				buf = skip_spaces(buf + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 				*end = simple_strtoull(buf, &buf, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 			} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 				*end = *start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	/* TBD: allow for additional flags, e.g., IORESOURCE_WINDOW */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	return buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) static ssize_t resources_store(struct device *dmdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 			       struct device_attribute *attr, const char *ubuf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 			       size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	struct pnp_dev *dev = to_pnp_dev(dmdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	char *buf = (void *)ubuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	if (dev->status & PNP_ATTACHED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 		retval = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 		dev_info(&dev->dev, "in use; can't configure\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	buf = skip_spaces(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	if (!strncasecmp(buf, "disable", 7)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 		retval = pnp_disable_dev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	if (!strncasecmp(buf, "activate", 8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 		retval = pnp_activate_dev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	if (!strncasecmp(buf, "fill", 4)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 		if (dev->active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 			goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 		retval = pnp_auto_config_dev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 	if (!strncasecmp(buf, "auto", 4)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 		if (dev->active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 			goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 		pnp_init_resources(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 		retval = pnp_auto_config_dev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 	if (!strncasecmp(buf, "clear", 5)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 		if (dev->active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 			goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 		pnp_init_resources(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 	if (!strncasecmp(buf, "get", 3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 		mutex_lock(&pnp_res_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 		if (pnp_can_read(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 			dev->protocol->get(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 		mutex_unlock(&pnp_res_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	if (!strncasecmp(buf, "set", 3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 		resource_size_t start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 		resource_size_t end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 		unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 		if (dev->active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 			goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 		buf += 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 		pnp_init_resources(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) 		mutex_lock(&pnp_res_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 		while (1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 			buf = skip_spaces(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 			if (!strncasecmp(buf, "io", 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 				buf = pnp_get_resource_value(buf + 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 							     IORESOURCE_IO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 							     &start, &end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 							     &flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 				pnp_add_io_resource(dev, start, end, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 			} else if (!strncasecmp(buf, "mem", 3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 				buf = pnp_get_resource_value(buf + 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 							     IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 							     &start, &end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 							     &flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 				pnp_add_mem_resource(dev, start, end, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 			} else if (!strncasecmp(buf, "irq", 3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 				buf = pnp_get_resource_value(buf + 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 							     IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 							     &start, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 							     &flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 				pnp_add_irq_resource(dev, start, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 			} else if (!strncasecmp(buf, "dma", 3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 				buf = pnp_get_resource_value(buf + 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) 							     IORESOURCE_DMA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 							     &start, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 							     &flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 				pnp_add_dma_resource(dev, start, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 			} else if (!strncasecmp(buf, "bus", 3)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) 				buf = pnp_get_resource_value(buf + 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 							     IORESOURCE_BUS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 							     &start, &end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 							     NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 				pnp_add_bus_resource(dev, start, end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) 			} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) 		mutex_unlock(&pnp_res_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) 	if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) 		return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) static DEVICE_ATTR_RW(resources);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) static ssize_t id_show(struct device *dmdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 		       char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) 	char *str = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) 	struct pnp_dev *dev = to_pnp_dev(dmdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) 	struct pnp_id *pos = dev->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) 	while (pos) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) 		str += sprintf(str, "%s\n", pos->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 		pos = pos->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) 	return (str - buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) static DEVICE_ATTR_RO(id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) static struct attribute *pnp_dev_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) 	&dev_attr_resources.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) 	&dev_attr_options.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) 	&dev_attr_id.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) static const struct attribute_group pnp_dev_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) 	.attrs = pnp_dev_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) const struct attribute_group *pnp_dev_groups[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) 	&pnp_dev_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) };