822 lines
22 KiB
C
822 lines
22 KiB
C
![]() |
/*
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* pnpacpi -- PnP ACPI driver
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*
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* Copyright (c) 2004 Matthieu Castet <castet.matthieu@free.fr>
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* Copyright (c) 2004 Li Shaohua <shaohua.li@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/kernel.h>
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#include <linux/acpi.h>
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#include <linux/pci.h>
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#include "pnpacpi.h"
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#ifdef CONFIG_IA64
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#define valid_IRQ(i) (1)
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#else
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#define valid_IRQ(i) (((i) != 0) && ((i) != 2))
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#endif
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/*
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* Allocated Resources
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*/
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static int irq_flags(int edge_level, int active_high_low)
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{
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int flag;
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if (edge_level == ACPI_LEVEL_SENSITIVE) {
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if(active_high_low == ACPI_ACTIVE_LOW)
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flag = IORESOURCE_IRQ_LOWLEVEL;
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else
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flag = IORESOURCE_IRQ_HIGHLEVEL;
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}
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else {
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if(active_high_low == ACPI_ACTIVE_LOW)
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flag = IORESOURCE_IRQ_LOWEDGE;
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else
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flag = IORESOURCE_IRQ_HIGHEDGE;
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}
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return flag;
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}
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static void decode_irq_flags(int flag, int *edge_level, int *active_high_low)
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{
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switch (flag) {
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case IORESOURCE_IRQ_LOWLEVEL:
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*edge_level = ACPI_LEVEL_SENSITIVE;
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*active_high_low = ACPI_ACTIVE_LOW;
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break;
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case IORESOURCE_IRQ_HIGHLEVEL:
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*edge_level = ACPI_LEVEL_SENSITIVE;
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*active_high_low = ACPI_ACTIVE_HIGH;
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break;
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case IORESOURCE_IRQ_LOWEDGE:
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*edge_level = ACPI_EDGE_SENSITIVE;
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*active_high_low = ACPI_ACTIVE_LOW;
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break;
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case IORESOURCE_IRQ_HIGHEDGE:
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*edge_level = ACPI_EDGE_SENSITIVE;
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*active_high_low = ACPI_ACTIVE_HIGH;
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break;
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}
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}
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static void
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pnpacpi_parse_allocated_irqresource(struct pnp_resource_table * res, int irq)
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{
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int i = 0;
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while (!(res->irq_resource[i].flags & IORESOURCE_UNSET) &&
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i < PNP_MAX_IRQ)
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i++;
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if (i < PNP_MAX_IRQ) {
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res->irq_resource[i].flags = IORESOURCE_IRQ; //Also clears _UNSET flag
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if (irq == -1) {
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res->irq_resource[i].flags |= IORESOURCE_DISABLED;
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return;
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}
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res->irq_resource[i].start =(unsigned long) irq;
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res->irq_resource[i].end = (unsigned long) irq;
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}
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}
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static void
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pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table * res, int dma)
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{
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int i = 0;
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while (!(res->dma_resource[i].flags & IORESOURCE_UNSET) &&
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i < PNP_MAX_DMA)
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i++;
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if (i < PNP_MAX_DMA) {
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res->dma_resource[i].flags = IORESOURCE_DMA; // Also clears _UNSET flag
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if (dma == -1) {
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res->dma_resource[i].flags |= IORESOURCE_DISABLED;
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return;
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}
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res->dma_resource[i].start =(unsigned long) dma;
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res->dma_resource[i].end = (unsigned long) dma;
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}
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}
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static void
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pnpacpi_parse_allocated_ioresource(struct pnp_resource_table * res,
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int io, int len)
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{
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int i = 0;
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while (!(res->port_resource[i].flags & IORESOURCE_UNSET) &&
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i < PNP_MAX_PORT)
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i++;
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if (i < PNP_MAX_PORT) {
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res->port_resource[i].flags = IORESOURCE_IO; // Also clears _UNSET flag
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if (len <= 0 || (io + len -1) >= 0x10003) {
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res->port_resource[i].flags |= IORESOURCE_DISABLED;
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return;
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}
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res->port_resource[i].start = (unsigned long) io;
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res->port_resource[i].end = (unsigned long)(io + len - 1);
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}
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}
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static void
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pnpacpi_parse_allocated_memresource(struct pnp_resource_table * res,
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int mem, int len)
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{
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int i = 0;
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while (!(res->mem_resource[i].flags & IORESOURCE_UNSET) &&
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(i < PNP_MAX_MEM))
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i++;
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if (i < PNP_MAX_MEM) {
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res->mem_resource[i].flags = IORESOURCE_MEM; // Also clears _UNSET flag
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if (len <= 0) {
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res->mem_resource[i].flags |= IORESOURCE_DISABLED;
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return;
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}
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res->mem_resource[i].start = (unsigned long) mem;
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res->mem_resource[i].end = (unsigned long)(mem + len - 1);
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}
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}
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static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
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void *data)
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{
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struct pnp_resource_table * res_table = (struct pnp_resource_table *)data;
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switch (res->id) {
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case ACPI_RSTYPE_IRQ:
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if ((res->data.irq.number_of_interrupts > 0) &&
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valid_IRQ(res->data.irq.interrupts[0])) {
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pnpacpi_parse_allocated_irqresource(res_table,
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acpi_register_gsi(res->data.irq.interrupts[0],
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res->data.irq.edge_level,
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res->data.irq.active_high_low));
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pcibios_penalize_isa_irq(res->data.irq.interrupts[0]);
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}
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break;
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case ACPI_RSTYPE_EXT_IRQ:
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if ((res->data.extended_irq.number_of_interrupts > 0) &&
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valid_IRQ(res->data.extended_irq.interrupts[0])) {
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pnpacpi_parse_allocated_irqresource(res_table,
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acpi_register_gsi(res->data.extended_irq.interrupts[0],
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res->data.extended_irq.edge_level,
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res->data.extended_irq.active_high_low));
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pcibios_penalize_isa_irq(res->data.extended_irq.interrupts[0]);
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}
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break;
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case ACPI_RSTYPE_DMA:
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if (res->data.dma.number_of_channels > 0)
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pnpacpi_parse_allocated_dmaresource(res_table,
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res->data.dma.channels[0]);
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break;
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case ACPI_RSTYPE_IO:
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pnpacpi_parse_allocated_ioresource(res_table,
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res->data.io.min_base_address,
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res->data.io.range_length);
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break;
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case ACPI_RSTYPE_FIXED_IO:
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pnpacpi_parse_allocated_ioresource(res_table,
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res->data.fixed_io.base_address,
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res->data.fixed_io.range_length);
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break;
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case ACPI_RSTYPE_MEM24:
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pnpacpi_parse_allocated_memresource(res_table,
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res->data.memory24.min_base_address,
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res->data.memory24.range_length);
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break;
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case ACPI_RSTYPE_MEM32:
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pnpacpi_parse_allocated_memresource(res_table,
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res->data.memory32.min_base_address,
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res->data.memory32.range_length);
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break;
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case ACPI_RSTYPE_FIXED_MEM32:
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pnpacpi_parse_allocated_memresource(res_table,
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res->data.fixed_memory32.range_base_address,
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res->data.fixed_memory32.range_length);
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break;
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case ACPI_RSTYPE_ADDRESS16:
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pnpacpi_parse_allocated_memresource(res_table,
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res->data.address16.min_address_range,
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res->data.address16.address_length);
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break;
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case ACPI_RSTYPE_ADDRESS32:
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pnpacpi_parse_allocated_memresource(res_table,
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res->data.address32.min_address_range,
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res->data.address32.address_length);
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break;
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case ACPI_RSTYPE_ADDRESS64:
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pnpacpi_parse_allocated_memresource(res_table,
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res->data.address64.min_address_range,
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res->data.address64.address_length);
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break;
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case ACPI_RSTYPE_VENDOR:
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break;
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default:
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pnp_warn("PnPACPI: unknown resource type %d", res->id);
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return AE_ERROR;
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}
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return AE_OK;
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}
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acpi_status pnpacpi_parse_allocated_resource(acpi_handle handle, struct pnp_resource_table * res)
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{
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/* Blank the resource table values */
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pnp_init_resource_table(res);
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return acpi_walk_resources(handle, METHOD_NAME__CRS, pnpacpi_allocated_resource, res);
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}
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static void pnpacpi_parse_dma_option(struct pnp_option *option, struct acpi_resource_dma *p)
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{
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int i;
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struct pnp_dma * dma;
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if (p->number_of_channels == 0)
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return;
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dma = pnpacpi_kmalloc(sizeof(struct pnp_dma), GFP_KERNEL);
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if (!dma)
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return;
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for(i = 0; i < p->number_of_channels; i++)
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dma->map |= 1 << p->channels[i];
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dma->flags = 0;
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if (p->bus_master)
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dma->flags |= IORESOURCE_DMA_MASTER;
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switch (p->type) {
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case ACPI_COMPATIBILITY:
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dma->flags |= IORESOURCE_DMA_COMPATIBLE;
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break;
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case ACPI_TYPE_A:
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dma->flags |= IORESOURCE_DMA_TYPEA;
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break;
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case ACPI_TYPE_B:
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dma->flags |= IORESOURCE_DMA_TYPEB;
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break;
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case ACPI_TYPE_F:
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dma->flags |= IORESOURCE_DMA_TYPEF;
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break;
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default:
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/* Set a default value ? */
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dma->flags |= IORESOURCE_DMA_COMPATIBLE;
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pnp_err("Invalid DMA type");
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}
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switch (p->transfer) {
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case ACPI_TRANSFER_8:
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dma->flags |= IORESOURCE_DMA_8BIT;
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break;
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case ACPI_TRANSFER_8_16:
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dma->flags |= IORESOURCE_DMA_8AND16BIT;
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break;
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case ACPI_TRANSFER_16:
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dma->flags |= IORESOURCE_DMA_16BIT;
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break;
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default:
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/* Set a default value ? */
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dma->flags |= IORESOURCE_DMA_8AND16BIT;
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pnp_err("Invalid DMA transfer type");
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}
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pnp_register_dma_resource(option,dma);
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return;
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}
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static void pnpacpi_parse_irq_option(struct pnp_option *option,
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struct acpi_resource_irq *p)
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{
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int i;
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struct pnp_irq * irq;
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if (p->number_of_interrupts == 0)
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return;
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irq = pnpacpi_kmalloc(sizeof(struct pnp_irq), GFP_KERNEL);
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if (!irq)
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return;
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for(i = 0; i < p->number_of_interrupts; i++)
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if (p->interrupts[i])
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__set_bit(p->interrupts[i], irq->map);
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irq->flags = irq_flags(p->edge_level, p->active_high_low);
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pnp_register_irq_resource(option, irq);
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return;
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}
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static void pnpacpi_parse_ext_irq_option(struct pnp_option *option,
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struct acpi_resource_ext_irq *p)
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{
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int i;
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struct pnp_irq * irq;
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if (p->number_of_interrupts == 0)
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return;
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irq = pnpacpi_kmalloc(sizeof(struct pnp_irq), GFP_KERNEL);
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if (!irq)
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return;
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for(i = 0; i < p->number_of_interrupts; i++)
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if (p->interrupts[i])
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__set_bit(p->interrupts[i], irq->map);
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irq->flags = irq_flags(p->edge_level, p->active_high_low);
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pnp_register_irq_resource(option, irq);
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return;
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}
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static void
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pnpacpi_parse_port_option(struct pnp_option *option,
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struct acpi_resource_io *io)
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{
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struct pnp_port * port;
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if (io->range_length == 0)
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return;
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port = pnpacpi_kmalloc(sizeof(struct pnp_port), GFP_KERNEL);
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if (!port)
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return;
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port->min = io->min_base_address;
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port->max = io->max_base_address;
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port->align = io->alignment;
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port->size = io->range_length;
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port->flags = ACPI_DECODE_16 == io->io_decode ?
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PNP_PORT_FLAG_16BITADDR : 0;
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pnp_register_port_resource(option,port);
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return;
|
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}
|
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|
|
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static void
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pnpacpi_parse_fixed_port_option(struct pnp_option *option,
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struct acpi_resource_fixed_io *io)
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{
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struct pnp_port * port;
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|
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if (io->range_length == 0)
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return;
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port = pnpacpi_kmalloc(sizeof(struct pnp_port), GFP_KERNEL);
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|
if (!port)
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return;
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port->min = port->max = io->base_address;
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port->size = io->range_length;
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port->align = 0;
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port->flags = PNP_PORT_FLAG_FIXED;
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pnp_register_port_resource(option,port);
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return;
|
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|
}
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|
|
||
|
static void
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pnpacpi_parse_mem24_option(struct pnp_option *option,
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|
struct acpi_resource_mem24 *p)
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{
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struct pnp_mem * mem;
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if (p->range_length == 0)
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return;
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mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
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if (!mem)
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return;
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mem->min = p->min_base_address;
|
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mem->max = p->max_base_address;
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mem->align = p->alignment;
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mem->size = p->range_length;
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||
|
|
||
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mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
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|
IORESOURCE_MEM_WRITEABLE : 0;
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||
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|
||
|
pnp_register_mem_resource(option,mem);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
pnpacpi_parse_mem32_option(struct pnp_option *option,
|
||
|
struct acpi_resource_mem32 *p)
|
||
|
{
|
||
|
struct pnp_mem * mem;
|
||
|
|
||
|
if (p->range_length == 0)
|
||
|
return;
|
||
|
mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
|
||
|
if (!mem)
|
||
|
return;
|
||
|
mem->min = p->min_base_address;
|
||
|
mem->max = p->max_base_address;
|
||
|
mem->align = p->alignment;
|
||
|
mem->size = p->range_length;
|
||
|
|
||
|
mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
|
||
|
IORESOURCE_MEM_WRITEABLE : 0;
|
||
|
|
||
|
pnp_register_mem_resource(option,mem);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
pnpacpi_parse_fixed_mem32_option(struct pnp_option *option,
|
||
|
struct acpi_resource_fixed_mem32 *p)
|
||
|
{
|
||
|
struct pnp_mem * mem;
|
||
|
|
||
|
if (p->range_length == 0)
|
||
|
return;
|
||
|
mem = pnpacpi_kmalloc(sizeof(struct pnp_mem), GFP_KERNEL);
|
||
|
if (!mem)
|
||
|
return;
|
||
|
mem->min = mem->max = p->range_base_address;
|
||
|
mem->size = p->range_length;
|
||
|
mem->align = 0;
|
||
|
|
||
|
mem->flags = (ACPI_READ_WRITE_MEMORY == p->read_write_attribute) ?
|
||
|
IORESOURCE_MEM_WRITEABLE : 0;
|
||
|
|
||
|
pnp_register_mem_resource(option,mem);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
struct acpipnp_parse_option_s {
|
||
|
struct pnp_option *option;
|
||
|
struct pnp_dev *dev;
|
||
|
};
|
||
|
|
||
|
static acpi_status pnpacpi_option_resource(struct acpi_resource *res,
|
||
|
void *data)
|
||
|
{
|
||
|
int priority = 0;
|
||
|
struct acpipnp_parse_option_s *parse_data = (struct acpipnp_parse_option_s *)data;
|
||
|
struct pnp_dev *dev = parse_data->dev;
|
||
|
struct pnp_option *option = parse_data->option;
|
||
|
|
||
|
switch (res->id) {
|
||
|
case ACPI_RSTYPE_IRQ:
|
||
|
pnpacpi_parse_irq_option(option, &res->data.irq);
|
||
|
break;
|
||
|
case ACPI_RSTYPE_EXT_IRQ:
|
||
|
pnpacpi_parse_ext_irq_option(option,
|
||
|
&res->data.extended_irq);
|
||
|
break;
|
||
|
case ACPI_RSTYPE_DMA:
|
||
|
pnpacpi_parse_dma_option(option, &res->data.dma);
|
||
|
break;
|
||
|
case ACPI_RSTYPE_IO:
|
||
|
pnpacpi_parse_port_option(option, &res->data.io);
|
||
|
break;
|
||
|
case ACPI_RSTYPE_FIXED_IO:
|
||
|
pnpacpi_parse_fixed_port_option(option,
|
||
|
&res->data.fixed_io);
|
||
|
break;
|
||
|
case ACPI_RSTYPE_MEM24:
|
||
|
pnpacpi_parse_mem24_option(option, &res->data.memory24);
|
||
|
break;
|
||
|
case ACPI_RSTYPE_MEM32:
|
||
|
pnpacpi_parse_mem32_option(option, &res->data.memory32);
|
||
|
break;
|
||
|
case ACPI_RSTYPE_FIXED_MEM32:
|
||
|
pnpacpi_parse_fixed_mem32_option(option,
|
||
|
&res->data.fixed_memory32);
|
||
|
break;
|
||
|
case ACPI_RSTYPE_START_DPF:
|
||
|
switch (res->data.start_dpf.compatibility_priority) {
|
||
|
case ACPI_GOOD_CONFIGURATION:
|
||
|
priority = PNP_RES_PRIORITY_PREFERRED;
|
||
|
break;
|
||
|
|
||
|
case ACPI_ACCEPTABLE_CONFIGURATION:
|
||
|
priority = PNP_RES_PRIORITY_ACCEPTABLE;
|
||
|
break;
|
||
|
|
||
|
case ACPI_SUB_OPTIMAL_CONFIGURATION:
|
||
|
priority = PNP_RES_PRIORITY_FUNCTIONAL;
|
||
|
break;
|
||
|
default:
|
||
|
priority = PNP_RES_PRIORITY_INVALID;
|
||
|
break;
|
||
|
}
|
||
|
/* TBD: Considering performace/robustness bits */
|
||
|
option = pnp_register_dependent_option(dev, priority);
|
||
|
if (!option)
|
||
|
return AE_ERROR;
|
||
|
parse_data->option = option;
|
||
|
break;
|
||
|
case ACPI_RSTYPE_END_DPF:
|
||
|
return AE_CTRL_TERMINATE;
|
||
|
default:
|
||
|
pnp_warn("PnPACPI: unknown resource type %d", res->id);
|
||
|
return AE_ERROR;
|
||
|
}
|
||
|
|
||
|
return AE_OK;
|
||
|
}
|
||
|
|
||
|
acpi_status pnpacpi_parse_resource_option_data(acpi_handle handle,
|
||
|
struct pnp_dev *dev)
|
||
|
{
|
||
|
acpi_status status;
|
||
|
struct acpipnp_parse_option_s parse_data;
|
||
|
|
||
|
parse_data.option = pnp_register_independent_option(dev);
|
||
|
if (!parse_data.option)
|
||
|
return AE_ERROR;
|
||
|
parse_data.dev = dev;
|
||
|
status = acpi_walk_resources(handle, METHOD_NAME__PRS,
|
||
|
pnpacpi_option_resource, &parse_data);
|
||
|
|
||
|
return status;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Set resource
|
||
|
*/
|
||
|
static acpi_status pnpacpi_count_resources(struct acpi_resource *res,
|
||
|
void *data)
|
||
|
{
|
||
|
int *res_cnt = (int *)data;
|
||
|
switch (res->id) {
|
||
|
case ACPI_RSTYPE_IRQ:
|
||
|
case ACPI_RSTYPE_EXT_IRQ:
|
||
|
case ACPI_RSTYPE_DMA:
|
||
|
case ACPI_RSTYPE_IO:
|
||
|
case ACPI_RSTYPE_FIXED_IO:
|
||
|
case ACPI_RSTYPE_MEM24:
|
||
|
case ACPI_RSTYPE_MEM32:
|
||
|
case ACPI_RSTYPE_FIXED_MEM32:
|
||
|
#if 0
|
||
|
case ACPI_RSTYPE_ADDRESS16:
|
||
|
case ACPI_RSTYPE_ADDRESS32:
|
||
|
case ACPI_RSTYPE_ADDRESS64:
|
||
|
#endif
|
||
|
(*res_cnt) ++;
|
||
|
default:
|
||
|
return AE_OK;
|
||
|
}
|
||
|
return AE_OK;
|
||
|
}
|
||
|
|
||
|
static acpi_status pnpacpi_type_resources(struct acpi_resource *res,
|
||
|
void *data)
|
||
|
{
|
||
|
struct acpi_resource **resource = (struct acpi_resource **)data;
|
||
|
switch (res->id) {
|
||
|
case ACPI_RSTYPE_IRQ:
|
||
|
case ACPI_RSTYPE_EXT_IRQ:
|
||
|
case ACPI_RSTYPE_DMA:
|
||
|
case ACPI_RSTYPE_IO:
|
||
|
case ACPI_RSTYPE_FIXED_IO:
|
||
|
case ACPI_RSTYPE_MEM24:
|
||
|
case ACPI_RSTYPE_MEM32:
|
||
|
case ACPI_RSTYPE_FIXED_MEM32:
|
||
|
#if 0
|
||
|
case ACPI_RSTYPE_ADDRESS16:
|
||
|
case ACPI_RSTYPE_ADDRESS32:
|
||
|
case ACPI_RSTYPE_ADDRESS64:
|
||
|
#endif
|
||
|
(*resource)->id = res->id;
|
||
|
(*resource)++;
|
||
|
default:
|
||
|
return AE_OK;
|
||
|
}
|
||
|
|
||
|
return AE_OK;
|
||
|
}
|
||
|
|
||
|
int pnpacpi_build_resource_template(acpi_handle handle,
|
||
|
struct acpi_buffer *buffer)
|
||
|
{
|
||
|
struct acpi_resource *resource;
|
||
|
int res_cnt = 0;
|
||
|
acpi_status status;
|
||
|
|
||
|
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
|
||
|
pnpacpi_count_resources, &res_cnt);
|
||
|
if (ACPI_FAILURE(status)) {
|
||
|
pnp_err("Evaluate _CRS failed");
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
if (!res_cnt)
|
||
|
return -EINVAL;
|
||
|
buffer->length = sizeof(struct acpi_resource) * (res_cnt + 1) + 1;
|
||
|
buffer->pointer = pnpacpi_kmalloc(buffer->length - 1, GFP_KERNEL);
|
||
|
if (!buffer->pointer)
|
||
|
return -ENOMEM;
|
||
|
pnp_dbg("Res cnt %d", res_cnt);
|
||
|
resource = (struct acpi_resource *)buffer->pointer;
|
||
|
status = acpi_walk_resources(handle, METHOD_NAME__CRS,
|
||
|
pnpacpi_type_resources, &resource);
|
||
|
if (ACPI_FAILURE(status)) {
|
||
|
kfree(buffer->pointer);
|
||
|
pnp_err("Evaluate _CRS failed");
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
/* resource will pointer the end resource now */
|
||
|
resource->id = ACPI_RSTYPE_END_TAG;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
static void pnpacpi_encode_irq(struct acpi_resource *resource,
|
||
|
struct resource *p)
|
||
|
{
|
||
|
int edge_level, active_high_low;
|
||
|
|
||
|
decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level,
|
||
|
&active_high_low);
|
||
|
resource->id = ACPI_RSTYPE_IRQ;
|
||
|
resource->length = sizeof(struct acpi_resource);
|
||
|
resource->data.irq.edge_level = edge_level;
|
||
|
resource->data.irq.active_high_low = active_high_low;
|
||
|
if (edge_level == ACPI_EDGE_SENSITIVE)
|
||
|
resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
|
||
|
else
|
||
|
resource->data.irq.shared_exclusive = ACPI_SHARED;
|
||
|
resource->data.irq.number_of_interrupts = 1;
|
||
|
resource->data.irq.interrupts[0] = p->start;
|
||
|
}
|
||
|
|
||
|
static void pnpacpi_encode_ext_irq(struct acpi_resource *resource,
|
||
|
struct resource *p)
|
||
|
{
|
||
|
int edge_level, active_high_low;
|
||
|
|
||
|
decode_irq_flags(p->flags & IORESOURCE_BITS, &edge_level,
|
||
|
&active_high_low);
|
||
|
resource->id = ACPI_RSTYPE_EXT_IRQ;
|
||
|
resource->length = sizeof(struct acpi_resource);
|
||
|
resource->data.extended_irq.producer_consumer = ACPI_CONSUMER;
|
||
|
resource->data.extended_irq.edge_level = edge_level;
|
||
|
resource->data.extended_irq.active_high_low = active_high_low;
|
||
|
if (edge_level == ACPI_EDGE_SENSITIVE)
|
||
|
resource->data.irq.shared_exclusive = ACPI_EXCLUSIVE;
|
||
|
else
|
||
|
resource->data.irq.shared_exclusive = ACPI_SHARED;
|
||
|
resource->data.extended_irq.number_of_interrupts = 1;
|
||
|
resource->data.extended_irq.interrupts[0] = p->start;
|
||
|
}
|
||
|
|
||
|
static void pnpacpi_encode_dma(struct acpi_resource *resource,
|
||
|
struct resource *p)
|
||
|
{
|
||
|
resource->id = ACPI_RSTYPE_DMA;
|
||
|
resource->length = sizeof(struct acpi_resource);
|
||
|
/* Note: pnp_assign_dma will copy pnp_dma->flags into p->flags */
|
||
|
if (p->flags & IORESOURCE_DMA_COMPATIBLE)
|
||
|
resource->data.dma.type = ACPI_COMPATIBILITY;
|
||
|
else if (p->flags & IORESOURCE_DMA_TYPEA)
|
||
|
resource->data.dma.type = ACPI_TYPE_A;
|
||
|
else if (p->flags & IORESOURCE_DMA_TYPEB)
|
||
|
resource->data.dma.type = ACPI_TYPE_B;
|
||
|
else if (p->flags & IORESOURCE_DMA_TYPEF)
|
||
|
resource->data.dma.type = ACPI_TYPE_F;
|
||
|
if (p->flags & IORESOURCE_DMA_8BIT)
|
||
|
resource->data.dma.transfer = ACPI_TRANSFER_8;
|
||
|
else if (p->flags & IORESOURCE_DMA_8AND16BIT)
|
||
|
resource->data.dma.transfer = ACPI_TRANSFER_8_16;
|
||
|
else if (p->flags & IORESOURCE_DMA_16BIT)
|
||
|
resource->data.dma.transfer = ACPI_TRANSFER_16;
|
||
|
resource->data.dma.bus_master = p->flags & IORESOURCE_DMA_MASTER;
|
||
|
resource->data.dma.number_of_channels = 1;
|
||
|
resource->data.dma.channels[0] = p->start;
|
||
|
}
|
||
|
|
||
|
static void pnpacpi_encode_io(struct acpi_resource *resource,
|
||
|
struct resource *p)
|
||
|
{
|
||
|
resource->id = ACPI_RSTYPE_IO;
|
||
|
resource->length = sizeof(struct acpi_resource);
|
||
|
/* Note: pnp_assign_port will copy pnp_port->flags into p->flags */
|
||
|
resource->data.io.io_decode = (p->flags & PNP_PORT_FLAG_16BITADDR)?
|
||
|
ACPI_DECODE_16 : ACPI_DECODE_10;
|
||
|
resource->data.io.min_base_address = p->start;
|
||
|
resource->data.io.max_base_address = p->end;
|
||
|
resource->data.io.alignment = 0; /* Correct? */
|
||
|
resource->data.io.range_length = p->end - p->start + 1;
|
||
|
}
|
||
|
|
||
|
static void pnpacpi_encode_fixed_io(struct acpi_resource *resource,
|
||
|
struct resource *p)
|
||
|
{
|
||
|
resource->id = ACPI_RSTYPE_FIXED_IO;
|
||
|
resource->length = sizeof(struct acpi_resource);
|
||
|
resource->data.fixed_io.base_address = p->start;
|
||
|
resource->data.fixed_io.range_length = p->end - p->start + 1;
|
||
|
}
|
||
|
|
||
|
static void pnpacpi_encode_mem24(struct acpi_resource *resource,
|
||
|
struct resource *p)
|
||
|
{
|
||
|
resource->id = ACPI_RSTYPE_MEM24;
|
||
|
resource->length = sizeof(struct acpi_resource);
|
||
|
/* Note: pnp_assign_mem will copy pnp_mem->flags into p->flags */
|
||
|
resource->data.memory24.read_write_attribute =
|
||
|
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
|
||
|
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
|
||
|
resource->data.memory24.min_base_address = p->start;
|
||
|
resource->data.memory24.max_base_address = p->end;
|
||
|
resource->data.memory24.alignment = 0;
|
||
|
resource->data.memory24.range_length = p->end - p->start + 1;
|
||
|
}
|
||
|
|
||
|
static void pnpacpi_encode_mem32(struct acpi_resource *resource,
|
||
|
struct resource *p)
|
||
|
{
|
||
|
resource->id = ACPI_RSTYPE_MEM32;
|
||
|
resource->length = sizeof(struct acpi_resource);
|
||
|
resource->data.memory32.read_write_attribute =
|
||
|
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
|
||
|
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
|
||
|
resource->data.memory32.min_base_address = p->start;
|
||
|
resource->data.memory32.max_base_address = p->end;
|
||
|
resource->data.memory32.alignment = 0;
|
||
|
resource->data.memory32.range_length = p->end - p->start + 1;
|
||
|
}
|
||
|
|
||
|
static void pnpacpi_encode_fixed_mem32(struct acpi_resource *resource,
|
||
|
struct resource *p)
|
||
|
{
|
||
|
resource->id = ACPI_RSTYPE_FIXED_MEM32;
|
||
|
resource->length = sizeof(struct acpi_resource);
|
||
|
resource->data.fixed_memory32.read_write_attribute =
|
||
|
(p->flags & IORESOURCE_MEM_WRITEABLE) ?
|
||
|
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
|
||
|
resource->data.fixed_memory32.range_base_address = p->start;
|
||
|
resource->data.fixed_memory32.range_length = p->end - p->start + 1;
|
||
|
}
|
||
|
|
||
|
int pnpacpi_encode_resources(struct pnp_resource_table *res_table,
|
||
|
struct acpi_buffer *buffer)
|
||
|
{
|
||
|
int i = 0;
|
||
|
/* pnpacpi_build_resource_template allocates extra mem */
|
||
|
int res_cnt = (buffer->length - 1)/sizeof(struct acpi_resource) - 1;
|
||
|
struct acpi_resource *resource = (struct acpi_resource*)buffer->pointer;
|
||
|
int port = 0, irq = 0, dma = 0, mem = 0;
|
||
|
|
||
|
pnp_dbg("res cnt %d", res_cnt);
|
||
|
while (i < res_cnt) {
|
||
|
switch(resource->id) {
|
||
|
case ACPI_RSTYPE_IRQ:
|
||
|
pnp_dbg("Encode irq");
|
||
|
pnpacpi_encode_irq(resource,
|
||
|
&res_table->irq_resource[irq]);
|
||
|
irq++;
|
||
|
break;
|
||
|
|
||
|
case ACPI_RSTYPE_EXT_IRQ:
|
||
|
pnp_dbg("Encode ext irq");
|
||
|
pnpacpi_encode_ext_irq(resource,
|
||
|
&res_table->irq_resource[irq]);
|
||
|
irq++;
|
||
|
break;
|
||
|
case ACPI_RSTYPE_DMA:
|
||
|
pnp_dbg("Encode dma");
|
||
|
pnpacpi_encode_dma(resource,
|
||
|
&res_table->dma_resource[dma]);
|
||
|
dma ++;
|
||
|
break;
|
||
|
case ACPI_RSTYPE_IO:
|
||
|
pnp_dbg("Encode io");
|
||
|
pnpacpi_encode_io(resource,
|
||
|
&res_table->port_resource[port]);
|
||
|
port ++;
|
||
|
break;
|
||
|
case ACPI_RSTYPE_FIXED_IO:
|
||
|
pnp_dbg("Encode fixed io");
|
||
|
pnpacpi_encode_fixed_io(resource,
|
||
|
&res_table->port_resource[port]);
|
||
|
port ++;
|
||
|
break;
|
||
|
case ACPI_RSTYPE_MEM24:
|
||
|
pnp_dbg("Encode mem24");
|
||
|
pnpacpi_encode_mem24(resource,
|
||
|
&res_table->mem_resource[mem]);
|
||
|
mem ++;
|
||
|
break;
|
||
|
case ACPI_RSTYPE_MEM32:
|
||
|
pnp_dbg("Encode mem32");
|
||
|
pnpacpi_encode_mem32(resource,
|
||
|
&res_table->mem_resource[mem]);
|
||
|
mem ++;
|
||
|
break;
|
||
|
case ACPI_RSTYPE_FIXED_MEM32:
|
||
|
pnp_dbg("Encode fixed mem32");
|
||
|
pnpacpi_encode_fixed_mem32(resource,
|
||
|
&res_table->mem_resource[mem]);
|
||
|
mem ++;
|
||
|
break;
|
||
|
default: /* other type */
|
||
|
pnp_warn("unknown resource type %d", resource->id);
|
||
|
return -EINVAL;
|
||
|
}
|
||
|
resource ++;
|
||
|
i ++;
|
||
|
}
|
||
|
return 0;
|
||
|
}
|