2000-08-24 09:33:30 +00:00
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/*-
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* Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
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* Copyright (c) 2000 Munehiro Matsuda <haro@tk.kubota.co.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: aml_region.c,v 1.10 2000/08/09 14:47:44 iwasaki Exp $
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* $FreeBSD$
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*/
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/*
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* Region I/O subroutine
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*/
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2000-09-30 20:12:27 +00:00
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#include "opt_acpi.h"
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2000-08-24 09:33:30 +00:00
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#include <sys/param.h>
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#include <sys/systm.h>
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2000-09-30 20:12:27 +00:00
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <dev/acpi/acpireg.h>
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2000-08-24 09:33:30 +00:00
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#include <dev/acpi/aml/aml_common.h>
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#include <dev/acpi/aml/aml_region.h>
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#include <dev/acpi/aml/aml_name.h>
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#ifndef ACPI_NO_OSDFUNC_INLINE
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#include <machine/acpica_osd.h>
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#endif
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2000-09-20 01:01:32 +00:00
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/*
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* Dummy functions for aml_region_io_simple()
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*/
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u_int32_t
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aml_region_prompt_read(struct aml_region_handle *h, u_int32_t value)
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{
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2000-08-24 09:33:30 +00:00
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2000-09-20 01:01:32 +00:00
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return (value);
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}
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2000-08-24 09:33:30 +00:00
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2000-09-20 01:01:32 +00:00
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u_int32_t
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aml_region_prompt_write(struct aml_region_handle *h, u_int32_t value)
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2000-08-24 09:33:30 +00:00
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{
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2000-09-20 01:01:32 +00:00
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return (value);
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}
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2000-08-24 09:33:30 +00:00
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2000-09-20 01:01:32 +00:00
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int
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aml_region_prompt_update_value(u_int32_t orgval, u_int32_t value,
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struct aml_region_handle *h)
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{
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return (0);
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}
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2000-08-24 09:33:30 +00:00
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2000-09-20 01:01:32 +00:00
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/*
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* Primitive functions for aml_region_io_simple()
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*/
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int
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aml_region_read_simple(struct aml_region_handle *h, vm_offset_t offset, u_int32_t *valuep)
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{
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u_int32_t value;
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switch (h->regtype) {
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case AML_REGION_SYSMEM:
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/* XXX should be MI */
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switch (h->unit) {
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case 1:
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value = *(volatile u_int8_t *)(h->vaddr + offset);
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value &= 0xff;
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break;
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case 2:
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value = *(volatile u_int16_t *)(h->vaddr + offset);
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value &= 0xffff;
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break;
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case 4:
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value = *(volatile u_int32_t *)(h->vaddr + offset);
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break;
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2000-08-24 09:33:30 +00:00
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}
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2000-09-20 01:01:32 +00:00
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break;
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case AML_REGION_SYSIO:
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switch (h->unit) {
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case 1:
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value = OsdIn8(h->addr + offset);
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value &= 0xff;
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break;
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case 2:
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value = OsdIn16(h->addr + offset);
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value &= 0xffff;
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break;
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case 4:
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value = OsdIn32(h->addr + offset);
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2000-08-24 09:33:30 +00:00
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break;
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2000-09-20 01:01:32 +00:00
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}
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break;
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case AML_REGION_PCICFG:
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switch (h->unit) {
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case 1:
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OsdReadPciCfgByte(h->pci_bus, h->pci_devfunc,
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h->addr + offset, (UINT8 *)&value);
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value &= 0xff;
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break;
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case 2:
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OsdReadPciCfgWord(h->pci_bus, h->pci_devfunc,
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h->addr + offset, (UINT16 *)&value);
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value &= 0xffff;
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break;
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case 4:
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OsdReadPciCfgDword(h->pci_bus, h->pci_devfunc,
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h->addr + offset, &value);
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2000-08-24 09:33:30 +00:00
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break;
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}
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2000-09-20 01:01:32 +00:00
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break;
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default:
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printf("aml_region_read_simple: not supported yet (%d)\n",
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h->regtype);
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value = 0;
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break;
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2000-08-24 09:33:30 +00:00
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}
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2000-09-20 01:01:32 +00:00
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*valuep = value;
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return (0);
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}
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2000-08-24 09:33:30 +00:00
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2000-09-20 01:01:32 +00:00
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int
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aml_region_write_simple(struct aml_region_handle *h, vm_offset_t offset, u_int32_t value)
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{
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switch (h->regtype) {
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case AML_REGION_SYSMEM:
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/* XXX should be MI */
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switch (h->unit) {
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case 1:
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value &= 0xff;
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*(volatile u_int8_t *)(h->vaddr + offset) = value;
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break;
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case 2:
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value &= 0xffff;
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*(volatile u_int16_t *)(h->vaddr + offset) = value;
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2000-08-24 09:33:30 +00:00
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break;
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2000-09-20 01:01:32 +00:00
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case 4:
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*(volatile u_int32_t *)(h->vaddr + offset) = value;
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break;
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}
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break;
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case AML_REGION_SYSIO:
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switch (h->unit) {
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case 1:
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value &= 0xff;
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OsdOut8(h->addr + offset, value);
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2000-08-24 09:33:30 +00:00
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break;
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2000-09-20 01:01:32 +00:00
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case 2:
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value &= 0xffff;
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OsdOut16(h->addr + offset, value);
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2000-08-24 09:33:30 +00:00
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break;
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2000-09-20 01:01:32 +00:00
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case 4:
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OsdOut32(h->addr + offset, value);
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2000-08-24 09:33:30 +00:00
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break;
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}
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2000-09-20 01:01:32 +00:00
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break;
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case AML_REGION_PCICFG:
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switch (h->unit) {
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case 1:
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OsdWritePciCfgByte(h->pci_bus, h->pci_devfunc,
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h->addr + offset, value);
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2000-08-24 09:33:30 +00:00
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break;
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2000-09-20 01:01:32 +00:00
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case 2:
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OsdWritePciCfgWord(h->pci_bus, h->pci_devfunc,
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h->addr + offset, value);
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break;
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case 4:
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OsdWritePciCfgDword(h->pci_bus, h->pci_devfunc,
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h->addr + offset, value);
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2000-08-24 09:33:30 +00:00
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break;
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}
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2000-09-20 01:01:32 +00:00
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break;
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default:
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printf("aml_region_write_simple: not supported yet (%d)\n",
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h->regtype);
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break;
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2000-08-24 09:33:30 +00:00
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}
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2000-09-20 01:01:32 +00:00
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return (0);
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2000-08-24 09:33:30 +00:00
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}
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static int
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aml_region_io_buffer(boolean_t io, int regtype, u_int32_t flags,
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u_int8_t *buffer, u_int32_t baseaddr, u_int32_t bitoffset, u_int32_t bitlen)
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{
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vm_offset_t addr, vaddr;
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size_t len;
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const char *funcname[] = {
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"aml_region_read_into_buffer",
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"aml_region_write_from_buffer"
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};
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if (regtype != AML_REGION_SYSMEM) {
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printf("%s: region type isn't system memory!\n", funcname[io]);
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return (-1);
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}
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if (bitlen % 8) {
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printf("%s: bit length isn't a multiple of 8!\n", funcname[io]);
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}
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if (bitoffset % 8) {
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printf("%s: bit offset isn't a multiple of 8!\n", funcname[io]);
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}
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addr = baseaddr + bitoffset / 8;
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len = bitlen / 8 + ((bitlen % 8) ? 1 : 0);
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OsdMapMemory((void *)addr, len, (void **)&vaddr);
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switch (io) {
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case AML_REGION_INPUT:
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bcopy((void *)vaddr, (void *)buffer, len);
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break;
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case AML_REGION_OUTPUT:
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bcopy((void *)buffer, (void *)vaddr, len);
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break;
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}
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OsdUnMapMemory((void *)vaddr, len);
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return (0);
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}
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u_int32_t
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aml_region_read(struct aml_environ *env, int regtype, u_int32_t flags,
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u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen)
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{
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int value;
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int state;
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2000-09-20 01:01:32 +00:00
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AML_REGION_READ_DEBUG(regtype, flags, addr, bitoffset, bitlen);
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state = aml_region_io(env, AML_REGION_INPUT, regtype,
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2000-08-24 09:33:30 +00:00
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flags, &value, addr, bitoffset, bitlen);
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AML_SYSASSERT(state != -1);
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return (value);
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}
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int
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aml_region_read_into_buffer(struct aml_environ *env, int regtype,
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u_int32_t flags, u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen,
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u_int8_t *buffer)
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{
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int state;
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2000-09-20 01:01:32 +00:00
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AML_REGION_READ_INTO_BUFFER_DEBUG(regtype, flags, addr, bitoffset, bitlen);
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2000-08-24 09:33:30 +00:00
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state = aml_region_io_buffer(AML_REGION_INPUT, regtype, flags,
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buffer, addr, bitoffset, bitlen);
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return (state);
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}
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int
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aml_region_write(struct aml_environ *env, int regtype, u_int32_t flags,
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u_int32_t value, u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen)
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{
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int state;
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2000-09-20 01:01:32 +00:00
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AML_REGION_WRITE_DEBUG(regtype, flags, value, addr, bitoffset, bitlen);
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state = aml_region_io(env, AML_REGION_OUTPUT, regtype,
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2000-08-24 09:33:30 +00:00
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flags, &value, addr, bitoffset, bitlen);
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AML_SYSASSERT(state != -1);
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return (state);
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}
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int
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aml_region_write_from_buffer(struct aml_environ *env, int regtype,
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u_int32_t flags, u_int8_t *buffer, u_int32_t addr, u_int32_t bitoffset,
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u_int32_t bitlen)
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{
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int state;
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2000-09-20 01:01:32 +00:00
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AML_REGION_WRITE_FROM_BUFFER_DEBUG(regtype, flags,
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addr, bitoffset, bitlen);
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2000-08-24 09:33:30 +00:00
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state = aml_region_io_buffer(AML_REGION_OUTPUT, regtype, flags,
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buffer, addr, bitoffset, bitlen);
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return (state);
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}
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int
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aml_region_bcopy(struct aml_environ *env, int regtype,
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u_int32_t flags, u_int32_t addr, u_int32_t bitoffset, u_int32_t bitlen,
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u_int32_t dflags, u_int32_t daddr, u_int32_t dbitoffset, u_int32_t dbitlen)
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{
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vm_offset_t from_addr, from_vaddr;
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vm_offset_t to_addr, to_vaddr;
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size_t len;
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2000-09-20 01:01:32 +00:00
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AML_REGION_BCOPY_DEBUG(regtype, flags, addr, bitoffset, bitlen,
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dflags, daddr, dbitoffset, dbitlen);
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2000-08-24 09:33:30 +00:00
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if (regtype != AML_REGION_SYSMEM) {
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printf("aml_region_bcopy: region type isn't system memory!\n");
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return (-1);
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}
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if ((bitlen % 8) || (dbitlen % 8)) {
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printf("aml_region_bcopy: bit length isn't a multiple of 8!\n");
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}
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if ((bitoffset % 8) || (dbitoffset % 8)) {
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printf("aml_region_bcopy: bit offset isn't a multiple of 8!\n");
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}
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from_addr = addr + bitoffset / 8;
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to_addr = daddr + dbitoffset / 8;
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len = (bitlen > dbitlen) ? dbitlen : bitlen;
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len = len / 8 + ((len % 8) ? 1 : 0);
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OsdMapMemory((void *)from_addr, len, (void **)&from_vaddr);
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OsdMapMemory((void *)to_addr, len, (void **)&to_vaddr);
|
|
|
|
|
|
|
|
bcopy((void *)from_vaddr, (void *)to_vaddr, len);
|
|
|
|
|
|
|
|
OsdUnMapMemory((void *)from_vaddr, len);
|
|
|
|
OsdUnMapMemory((void *)to_vaddr, len);
|
|
|
|
|
|
|
|
return (0);
|
|
|
|
}
|