From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- drivers/pnp/interface.c | 468 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 468 insertions(+) create mode 100644 drivers/pnp/interface.c (limited to 'drivers/pnp/interface.c') diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c new file mode 100644 index 00000000000..53fac8ba5d5 --- /dev/null +++ b/drivers/pnp/interface.c @@ -0,0 +1,468 @@ +/* + * interface.c - contains everything related to the user interface + * + * Some code, especially possible resource dumping is based on isapnp_proc.c (c) Jaroslav Kysela + * Copyright 2002 Adam Belay + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "base.h" + +struct pnp_info_buffer { + char *buffer; /* pointer to begin of buffer */ + char *curr; /* current position in buffer */ + unsigned long size; /* current size */ + unsigned long len; /* total length of buffer */ + int stop; /* stop flag */ + int error; /* error code */ +}; + +typedef struct pnp_info_buffer pnp_info_buffer_t; + +static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt,...) +{ + va_list args; + int res; + + if (buffer->stop || buffer->error) + return 0; + va_start(args, fmt); + res = vsnprintf(buffer->curr, buffer->len - buffer->size, fmt, args); + va_end(args); + if (buffer->size + res >= buffer->len) { + buffer->stop = 1; + return 0; + } + buffer->curr += res; + buffer->size += res; + return res; +} + +static void pnp_print_port(pnp_info_buffer_t *buffer, char *space, struct pnp_port *port) +{ + pnp_printf(buffer, "%sport 0x%x-0x%x, align 0x%x, size 0x%x, %i-bit address decoding\n", + space, port->min, port->max, port->align ? (port->align-1) : 0, port->size, + port->flags & PNP_PORT_FLAG_16BITADDR ? 16 : 10); +} + +static void pnp_print_irq(pnp_info_buffer_t *buffer, char *space, struct pnp_irq *irq) +{ + int first = 1, i; + + pnp_printf(buffer, "%sirq ", space); + for (i = 0; i < PNP_IRQ_NR; i++) + if (test_bit(i, irq->map)) { + if (!first) { + pnp_printf(buffer, ","); + } else { + first = 0; + } + if (i == 2 || i == 9) + pnp_printf(buffer, "2/9"); + else + pnp_printf(buffer, "%i", i); + } + if (bitmap_empty(irq->map, PNP_IRQ_NR)) + pnp_printf(buffer, ""); + if (irq->flags & IORESOURCE_IRQ_HIGHEDGE) + pnp_printf(buffer, " High-Edge"); + if (irq->flags & IORESOURCE_IRQ_LOWEDGE) + pnp_printf(buffer, " Low-Edge"); + if (irq->flags & IORESOURCE_IRQ_HIGHLEVEL) + pnp_printf(buffer, " High-Level"); + if (irq->flags & IORESOURCE_IRQ_LOWLEVEL) + pnp_printf(buffer, " Low-Level"); + pnp_printf(buffer, "\n"); +} + +static void pnp_print_dma(pnp_info_buffer_t *buffer, char *space, struct pnp_dma *dma) +{ + int first = 1, i; + char *s; + + pnp_printf(buffer, "%sdma ", space); + for (i = 0; i < 8; i++) + if (dma->map & (1<map) + pnp_printf(buffer, ""); + switch (dma->flags & IORESOURCE_DMA_TYPE_MASK) { + case IORESOURCE_DMA_8BIT: + s = "8-bit"; + break; + case IORESOURCE_DMA_8AND16BIT: + s = "8-bit&16-bit"; + break; + default: + s = "16-bit"; + } + pnp_printf(buffer, " %s", s); + if (dma->flags & IORESOURCE_DMA_MASTER) + pnp_printf(buffer, " master"); + if (dma->flags & IORESOURCE_DMA_BYTE) + pnp_printf(buffer, " byte-count"); + if (dma->flags & IORESOURCE_DMA_WORD) + pnp_printf(buffer, " word-count"); + switch (dma->flags & IORESOURCE_DMA_SPEED_MASK) { + case IORESOURCE_DMA_TYPEA: + s = "type-A"; + break; + case IORESOURCE_DMA_TYPEB: + s = "type-B"; + break; + case IORESOURCE_DMA_TYPEF: + s = "type-F"; + break; + default: + s = "compatible"; + break; + } + pnp_printf(buffer, " %s\n", s); +} + +static void pnp_print_mem(pnp_info_buffer_t *buffer, char *space, struct pnp_mem *mem) +{ + char *s; + + pnp_printf(buffer, "%sMemory 0x%x-0x%x, align 0x%x, size 0x%x", + space, mem->min, mem->max, mem->align, mem->size); + if (mem->flags & IORESOURCE_MEM_WRITEABLE) + pnp_printf(buffer, ", writeable"); + if (mem->flags & IORESOURCE_MEM_CACHEABLE) + pnp_printf(buffer, ", cacheable"); + if (mem->flags & IORESOURCE_MEM_RANGELENGTH) + pnp_printf(buffer, ", range-length"); + if (mem->flags & IORESOURCE_MEM_SHADOWABLE) + pnp_printf(buffer, ", shadowable"); + if (mem->flags & IORESOURCE_MEM_EXPANSIONROM) + pnp_printf(buffer, ", expansion ROM"); + switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) { + case IORESOURCE_MEM_8BIT: + s = "8-bit"; + break; + case IORESOURCE_MEM_8AND16BIT: + s = "8-bit&16-bit"; + break; + case IORESOURCE_MEM_32BIT: + s = "32-bit"; + break; + default: + s = "16-bit"; + } + pnp_printf(buffer, ", %s\n", s); +} + +static void pnp_print_option(pnp_info_buffer_t *buffer, char *space, + struct pnp_option *option, int dep) +{ + char *s; + struct pnp_port *port; + struct pnp_irq *irq; + struct pnp_dma *dma; + struct pnp_mem *mem; + + if (dep) { + switch (option->priority) { + case PNP_RES_PRIORITY_PREFERRED: + s = "preferred"; + break; + case PNP_RES_PRIORITY_ACCEPTABLE: + s = "acceptable"; + break; + case PNP_RES_PRIORITY_FUNCTIONAL: + s = "functional"; + break; + default: + s = "invalid"; + } + pnp_printf(buffer, "Dependent: %02i - Priority %s\n",dep, s); + } + + for (port = option->port; port; port = port->next) + pnp_print_port(buffer, space, port); + for (irq = option->irq; irq; irq = irq->next) + pnp_print_irq(buffer, space, irq); + for (dma = option->dma; dma; dma = dma->next) + pnp_print_dma(buffer, space, dma); + for (mem = option->mem; mem; mem = mem->next) + pnp_print_mem(buffer, space, mem); +} + + +static ssize_t pnp_show_options(struct device *dmdev, char *buf) +{ + struct pnp_dev *dev = to_pnp_dev(dmdev); + struct pnp_option * independent = dev->independent; + struct pnp_option * dependent = dev->dependent; + int ret, dep = 1; + + pnp_info_buffer_t *buffer = (pnp_info_buffer_t *) + pnp_alloc(sizeof(pnp_info_buffer_t)); + if (!buffer) + return -ENOMEM; + + buffer->len = PAGE_SIZE; + buffer->buffer = buf; + buffer->curr = buffer->buffer; + if (independent) + pnp_print_option(buffer, "", independent, 0); + + while (dependent){ + pnp_print_option(buffer, " ", dependent, dep); + dependent = dependent->next; + dep++; + } + ret = (buffer->curr - buf); + kfree(buffer); + return ret; +} + +static DEVICE_ATTR(options,S_IRUGO,pnp_show_options,NULL); + + +static ssize_t pnp_show_current_resources(struct device *dmdev, char *buf) +{ + struct pnp_dev *dev = to_pnp_dev(dmdev); + int i, ret; + pnp_info_buffer_t *buffer; + + if (!dev) + return -EINVAL; + + buffer = (pnp_info_buffer_t *) pnp_alloc(sizeof(pnp_info_buffer_t)); + if (!buffer) + return -ENOMEM; + buffer->len = PAGE_SIZE; + buffer->buffer = buf; + buffer->curr = buffer->buffer; + + pnp_printf(buffer,"state = "); + if (dev->active) + pnp_printf(buffer,"active\n"); + else + pnp_printf(buffer,"disabled\n"); + + for (i = 0; i < PNP_MAX_PORT; i++) { + if (pnp_port_valid(dev, i)) { + pnp_printf(buffer,"io"); + if (pnp_port_flags(dev, i) & IORESOURCE_DISABLED) + pnp_printf(buffer," disabled\n"); + else + pnp_printf(buffer," 0x%lx-0x%lx\n", + pnp_port_start(dev, i), + pnp_port_end(dev, i)); + } + } + for (i = 0; i < PNP_MAX_MEM; i++) { + if (pnp_mem_valid(dev, i)) { + pnp_printf(buffer,"mem"); + if (pnp_mem_flags(dev, i) & IORESOURCE_DISABLED) + pnp_printf(buffer," disabled\n"); + else + pnp_printf(buffer," 0x%lx-0x%lx\n", + pnp_mem_start(dev, i), + pnp_mem_end(dev, i)); + } + } + for (i = 0; i < PNP_MAX_IRQ; i++) { + if (pnp_irq_valid(dev, i)) { + pnp_printf(buffer,"irq"); + if (pnp_irq_flags(dev, i) & IORESOURCE_DISABLED) + pnp_printf(buffer," disabled\n"); + else + pnp_printf(buffer," %ld\n", + pnp_irq(dev, i)); + } + } + for (i = 0; i < PNP_MAX_DMA; i++) { + if (pnp_dma_valid(dev, i)) { + pnp_printf(buffer,"dma"); + if (pnp_dma_flags(dev, i) & IORESOURCE_DISABLED) + pnp_printf(buffer," disabled\n"); + else + pnp_printf(buffer," %ld\n", + pnp_dma(dev, i)); + } + } + ret = (buffer->curr - buf); + kfree(buffer); + return ret; +} + +extern struct semaphore pnp_res_mutex; + +static ssize_t +pnp_set_current_resources(struct device * dmdev, const char * ubuf, size_t count) +{ + struct pnp_dev *dev = to_pnp_dev(dmdev); + char *buf = (void *)ubuf; + int retval = 0; + + if (dev->status & PNP_ATTACHED) { + retval = -EBUSY; + pnp_info("Device %s cannot be configured because it is in use.", dev->dev.bus_id); + goto done; + } + + while (isspace(*buf)) + ++buf; + if (!strnicmp(buf,"disable",7)) { + retval = pnp_disable_dev(dev); + goto done; + } + if (!strnicmp(buf,"activate",8)) { + retval = pnp_activate_dev(dev); + goto done; + } + if (!strnicmp(buf,"fill",4)) { + if (dev->active) + goto done; + retval = pnp_auto_config_dev(dev); + goto done; + } + if (!strnicmp(buf,"auto",4)) { + if (dev->active) + goto done; + pnp_init_resource_table(&dev->res); + retval = pnp_auto_config_dev(dev); + goto done; + } + if (!strnicmp(buf,"clear",5)) { + if (dev->active) + goto done; + pnp_init_resource_table(&dev->res); + goto done; + } + if (!strnicmp(buf,"get",3)) { + down(&pnp_res_mutex); + if (pnp_can_read(dev)) + dev->protocol->get(dev, &dev->res); + up(&pnp_res_mutex); + goto done; + } + if (!strnicmp(buf,"set",3)) { + int nport = 0, nmem = 0, nirq = 0, ndma = 0; + if (dev->active) + goto done; + buf += 3; + pnp_init_resource_table(&dev->res); + down(&pnp_res_mutex); + while (1) { + while (isspace(*buf)) + ++buf; + if (!strnicmp(buf,"io",2)) { + buf += 2; + while (isspace(*buf)) + ++buf; + dev->res.port_resource[nport].start = simple_strtoul(buf,&buf,0); + while (isspace(*buf)) + ++buf; + if(*buf == '-') { + buf += 1; + while (isspace(*buf)) + ++buf; + dev->res.port_resource[nport].end = simple_strtoul(buf,&buf,0); + } else + dev->res.port_resource[nport].end = dev->res.port_resource[nport].start; + dev->res.port_resource[nport].flags = IORESOURCE_IO; + nport++; + if (nport >= PNP_MAX_PORT) + break; + continue; + } + if (!strnicmp(buf,"mem",3)) { + buf += 3; + while (isspace(*buf)) + ++buf; + dev->res.mem_resource[nmem].start = simple_strtoul(buf,&buf,0); + while (isspace(*buf)) + ++buf; + if(*buf == '-') { + buf += 1; + while (isspace(*buf)) + ++buf; + dev->res.mem_resource[nmem].end = simple_strtoul(buf,&buf,0); + } else + dev->res.mem_resource[nmem].end = dev->res.mem_resource[nmem].start; + dev->res.mem_resource[nmem].flags = IORESOURCE_MEM; + nmem++; + if (nmem >= PNP_MAX_MEM) + break; + continue; + } + if (!strnicmp(buf,"irq",3)) { + buf += 3; + while (isspace(*buf)) + ++buf; + dev->res.irq_resource[nirq].start = + dev->res.irq_resource[nirq].end = simple_strtoul(buf,&buf,0); + dev->res.irq_resource[nirq].flags = IORESOURCE_IRQ; + nirq++; + if (nirq >= PNP_MAX_IRQ) + break; + continue; + } + if (!strnicmp(buf,"dma",3)) { + buf += 3; + while (isspace(*buf)) + ++buf; + dev->res.dma_resource[ndma].start = + dev->res.dma_resource[ndma].end = simple_strtoul(buf,&buf,0); + dev->res.dma_resource[ndma].flags = IORESOURCE_DMA; + ndma++; + if (ndma >= PNP_MAX_DMA) + break; + continue; + } + break; + } + up(&pnp_res_mutex); + goto done; + } + done: + if (retval < 0) + return retval; + return count; +} + +static DEVICE_ATTR(resources,S_IRUGO | S_IWUSR, + pnp_show_current_resources,pnp_set_current_resources); + +static ssize_t pnp_show_current_ids(struct device *dmdev, char *buf) +{ + char *str = buf; + struct pnp_dev *dev = to_pnp_dev(dmdev); + struct pnp_id * pos = dev->id; + + while (pos) { + str += sprintf(str,"%s\n", pos->id); + pos = pos->next; + } + return (str - buf); +} + +static DEVICE_ATTR(id,S_IRUGO,pnp_show_current_ids,NULL); + +int pnp_interface_attach_device(struct pnp_dev *dev) +{ + device_create_file(&dev->dev,&dev_attr_options); + device_create_file(&dev->dev,&dev_attr_resources); + device_create_file(&dev->dev,&dev_attr_id); + return 0; +} -- cgit v1.2.3