diff options
| -rw-r--r-- | sys/dev/acpica/acpi_isa.c | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/sys/dev/acpica/acpi_isa.c b/sys/dev/acpica/acpi_isa.c deleted file mode 100644 index 654b2e5..0000000 --- a/sys/dev/acpica/acpi_isa.c +++ /dev/null @@ -1,479 +0,0 @@ -/*- - * Copyright (c) 2000 Michael Smith - * Copyright (c) 2000 BSDi - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -/* - * ISA bus enumerator using PnP HIDs from ACPI space. - */ - -#include "opt_acpi.h" -#include <sys/param.h> -#include <sys/kernel.h> -#include <sys/malloc.h> -#include <sys/bus.h> - -#include <isa/isavar.h> - -#include "acpi.h" - -#include <dev/acpica/acpivar.h> - -/* - * Hooks for the ACPI CA debugging infrastructure - */ -#define _COMPONENT ACPI_BUS -MODULE_NAME("ISA") - -#define PNP_HEXTONUM(c) ((c) >= 'a' \ - ? (c) - 'a' + 10 \ - : ((c) >= 'A' \ - ? (c) - 'A' + 10 \ - : (c) - '0')) -#define PNP_EISAID(s) \ - ((((s[0] - '@') & 0x1f) << 2) \ - | (((s[1] - '@') & 0x18) >> 3) \ - | (((s[1] - '@') & 0x07) << 13) \ - | (((s[2] - '@') & 0x1f) << 8) \ - | (PNP_HEXTONUM(s[4]) << 16) \ - | (PNP_HEXTONUM(s[3]) << 20) \ - | (PNP_HEXTONUM(s[6]) << 24) \ - | (PNP_HEXTONUM(s[5]) << 28)) - -static void acpi_isa_set_init(device_t dev, void **context); -static void acpi_isa_set_done(device_t dev, void *context); -static void acpi_isa_set_ioport(device_t dev, void *context, u_int32_t base, u_int32_t length); -static void acpi_isa_set_iorange(device_t dev, void *context, u_int32_t low, u_int32_t high, - u_int32_t length, u_int32_t align); -static void acpi_isa_set_memory(device_t dev, void *context, u_int32_t base, u_int32_t length); -static void acpi_isa_set_memoryrange(device_t dev, void *context, u_int32_t low, u_int32_t high, - u_int32_t length, u_int32_t align); -static void acpi_isa_set_irq(device_t dev, void *context, u_int32_t irq); -static void acpi_isa_set_drq(device_t dev, void *context, u_int32_t drq); -static void acpi_isa_set_start_dependant(device_t dev, void *context, int preference); -static void acpi_isa_set_end_dependant(device_t dev, void *context); - -static struct acpi_parse_resource_set acpi_isa_parse_set = { - acpi_isa_set_init, - acpi_isa_set_done, - acpi_isa_set_ioport, - acpi_isa_set_iorange, - acpi_isa_set_memory, - acpi_isa_set_memoryrange, - acpi_isa_set_irq, - acpi_isa_set_drq, - acpi_isa_set_start_dependant, - acpi_isa_set_end_dependant -}; - -#define MAXDEP 8 - -struct acpi_isa_context { - int ai_config; - int ai_nconfigs; - struct isa_config ai_configs[MAXDEP + 1]; - int ai_priorities[MAXDEP + 1]; -}; - -static void acpi_isa_set_config(void *arg, struct isa_config *config, int enable); -static void acpi_isa_identify(driver_t *driver, device_t bus); -static ACPI_STATUS acpi_isa_identify_child(ACPI_HANDLE handle, UINT32 level, - void *context, void **status); - -static device_method_t acpi_isa_methods[] = { - DEVMETHOD(device_identify, acpi_isa_identify), - {0, 0} -}; - -static driver_t acpi_isa_driver = { - "acpi_isa", - acpi_isa_methods, - 1, -}; - -static devclass_t acpi_isa_devclass; -DRIVER_MODULE(acpi_isa, isa, acpi_isa_driver, acpi_isa_devclass, 0, 0); - -/* - * This function is called to make the selected configuration - * active. - */ -static void -acpi_isa_set_config(void *arg, struct isa_config *config, int enable) -{ -} - -/* - * Interrogate ACPI for devices which might be attatched to an ISA - * bus. - * - * Note that it is difficult to determine whether a device in the ACPI - * namespace is or is not visible to the ISA bus, and thus we are a - * little too generous here and just export everything with _HID - * and _CRS. - */ -static void -acpi_isa_identify(driver_t *driver, device_t bus) -{ - ACPI_HANDLE parent; - ACPI_STATUS status; - - FUNCTION_TRACE(__func__); - - if (acpi_disabled("isa")) - return_VOID; - - /* - * If this driver is loaded from userland, we can assume that - * the ISA bus has already been detected, and we should not - * interfere. - */ - if (!cold) - return_VOID; - - /* - * Look for the _SB_ scope, which will contain all the devices - * we are likely to support. - */ - if ((status = AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &parent)) != AE_OK) { - device_printf(bus, "no ACPI _SB_ scope - %s\n", AcpiFormatException(status)); - return_VOID; - } - - if ((status = AcpiWalkNamespace(ACPI_TYPE_DEVICE, parent, 100, acpi_isa_identify_child, bus, NULL)) != AE_OK) - device_printf(bus, "AcpiWalkNamespace on _SB_ failed - %s\n", AcpiFormatException(status)); - - return_VOID; -} - -/* - * Check a device to see whether it makes sense to try attaching it to an - * ISA bus, and if so, do so. - * - * Note that we *must* always return AE_OK, or the namespace walk will terminate. - * - * XXX Note also that this is picking up a *lot* of things that are not ISA devices. - * Should we consider lazy-binding this so that only the ID is saved and resources - * are not parsed until the device is claimed by a driver? - */ -static ACPI_STATUS -acpi_isa_identify_child(ACPI_HANDLE handle, UINT32 level, void *context, void **status) -{ - ACPI_DEVICE_INFO devinfo; - ACPI_BUFFER buf; - device_t child, bus = (device_t)context; - u_int32_t devid; - - FUNCTION_TRACE(__func__); - - /* - * Skip this node if it's on the 'avoid' list. - */ - if (acpi_avoid(handle)) - return_ACPI_STATUS(AE_OK); - - /* - * Try to get information about the device. - */ - if (AcpiGetObjectInfo(handle, &devinfo) != AE_OK) - return_ACPI_STATUS(AE_OK); - - /* - * Reformat the _HID value into 32 bits. - */ - if (!(devinfo.Valid & ACPI_VALID_HID)) - return_ACPI_STATUS(AE_OK); - - /* - * XXX Try to avoid passing stuff to ISA that it just isn't interested - * in. This is the *wrong* solution, and what needs to be done - * involves just sending ISA the PnP ID and a handle, and then - * lazy-parsing the resources if and only if a driver attaches. - * With the way that ISA currently works (using bus_probe_and_attach) - * this is very difficult. Maybe we need a device_configure method? - */ - if (!(strncmp(devinfo.HardwareId, "PNP0C", 5))) - return_ACPI_STATUS(AE_OK); - - devid = PNP_EISAID(devinfo.HardwareId); - - /* XXX check _STA here? */ - if (devinfo.Valid & ACPI_VALID_STA) { - } - - /* - * Fetch our current settings. - * - * XXX Note that we may want to support alternate settings at some - * point as well. - */ - if (acpi_GetIntoBuffer(handle, AcpiGetCurrentResources, &buf) != AE_OK) - return_ACPI_STATUS(AE_OK); - - /* - * Add the device and parse our resources - */ - child = BUS_ADD_CHILD(bus, ISA_ORDER_PNP, NULL, -1); - isa_set_vendorid(child, devid); - isa_set_logicalid(child, devid); - ISA_SET_CONFIG_CALLBACK(bus, child, acpi_isa_set_config, 0); - acpi_parse_resources(child, handle, &acpi_isa_parse_set); - AcpiOsFree(buf.Pointer); - - if (!device_get_desc(child)) - device_set_desc_copy(child, devinfo.HardwareId); - - ACPI_DEBUG_PRINT((ACPI_DB_OBJECTS, "added ISA PnP info for %s\n", acpi_name(handle))); - - /* - * XXX Parse configuration data and _CID list to find compatible IDs - */ - return_ACPI_STATUS(AE_OK); -} - -static void -acpi_isa_set_init(device_t dev, void **context) -{ - struct acpi_isa_context *cp; - - FUNCTION_TRACE(__func__); - - cp = malloc(sizeof(*cp), M_DEVBUF, M_NOWAIT); - bzero(cp, sizeof(*cp)); - cp->ai_nconfigs = 1; - *context = cp; - - return_VOID; -} - -static void -acpi_isa_set_done(device_t dev, void *context) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - struct isa_config *config, *configs; - device_t parent; - int i, j; - - FUNCTION_TRACE(__func__); - - if (cp == NULL) - return_VOID; - parent = device_get_parent(dev); - - /* simple config without dependants */ - if (cp->ai_nconfigs == 1) { - ISA_ADD_CONFIG(parent, dev, cp->ai_priorities[0], &cp->ai_configs[0]); - goto done; - } - - /* Cycle through dependant configs merging primary details */ - configs = &cp->ai_configs[0]; - for(i = 1; i < cp->ai_nconfigs; i++) { - config = &configs[i]; - for(j = 0; j < configs[0].ic_nmem; j++) { - if (config->ic_nmem == ISA_NMEM) { - device_printf(parent, "too many memory ranges\n"); - free(configs, M_DEVBUF); - return_VOID; - } - config->ic_mem[config->ic_nmem] = configs[0].ic_mem[j]; - config->ic_nmem++; - } - for(j = 0; j < configs[0].ic_nport; j++) { - if (config->ic_nport == ISA_NPORT) { - device_printf(parent, "too many port ranges\n"); - free(configs, M_DEVBUF); - return_VOID; - } - config->ic_port[config->ic_nport] = configs[0].ic_port[j]; - config->ic_nport++; - } - for(j = 0; j < configs[0].ic_nirq; j++) { - if (config->ic_nirq == ISA_NIRQ) { - device_printf(parent, "too many irq ranges\n"); - free(configs, M_DEVBUF); - return_VOID; - } - config->ic_irqmask[config->ic_nirq] = configs[0].ic_irqmask[j]; - config->ic_nirq++; - } - for(j = 0; j < configs[0].ic_ndrq; j++) { - if (config->ic_ndrq == ISA_NDRQ) { - device_printf(parent, "too many drq ranges\n"); - free(configs, M_DEVBUF); - return_VOID; - } - config->ic_drqmask[config->ic_ndrq] = configs[0].ic_drqmask[j]; - config->ic_ndrq++; - } - (void)ISA_ADD_CONFIG(parent, dev, cp->ai_priorities[i], &configs[i]); - } - -done: - free(cp, M_DEVBUF); - - return_VOID; -} - -static void -acpi_isa_set_ioport(device_t dev, void *context, u_int32_t base, u_int32_t length) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - struct isa_config *ic = &cp->ai_configs[cp->ai_config]; - - if (cp == NULL) - return; - if (ic->ic_nport == ISA_NPORT) { - printf("too many ports\n"); - return; - } - ic->ic_port[ic->ic_nport].ir_start = base; - ic->ic_port[ic->ic_nport].ir_end = base + length - 1; - ic->ic_port[ic->ic_nport].ir_size = length; - ic->ic_port[ic->ic_nport].ir_align = 1; - ic->ic_nport++; -} - -static void -acpi_isa_set_iorange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - struct isa_config *ic = &cp->ai_configs[cp->ai_config]; - - if (cp == NULL) - return; - if (ic->ic_nport == ISA_NPORT) { - printf("too many ports\n"); - return; - } - ic->ic_port[ic->ic_nport].ir_start = low; - ic->ic_port[ic->ic_nport].ir_end = high + length - 1; - ic->ic_port[ic->ic_nport].ir_size = length; - ic->ic_port[ic->ic_nport].ir_align = imin(1, align); - ic->ic_nport++; -} - -static void -acpi_isa_set_memory(device_t dev, void *context, u_int32_t base, u_int32_t length) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - struct isa_config *ic = &cp->ai_configs[cp->ai_config]; - - if (cp == NULL) - return; - if (ic->ic_nmem == ISA_NMEM) { - printf("too many memory ranges\n"); - return; - } - ic->ic_mem[ic->ic_nmem].ir_start = base; - ic->ic_mem[ic->ic_nmem].ir_end = base + length - 1; - ic->ic_mem[ic->ic_nmem].ir_size = length; - ic->ic_mem[ic->ic_nmem].ir_align = 1; - ic->ic_nmem++; -} - -static void -acpi_isa_set_memoryrange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - struct isa_config *ic = &cp->ai_configs[cp->ai_config]; - - if (cp == NULL) - return; - if (ic->ic_nmem == ISA_NMEM) { - printf("too many memory ranges\n"); - return; - } - ic->ic_mem[ic->ic_nmem].ir_start = low; - ic->ic_mem[ic->ic_nmem].ir_end = high + length - 1; - ic->ic_mem[ic->ic_nmem].ir_size = length; - ic->ic_mem[ic->ic_nmem].ir_align = imin(1, align); - ic->ic_nmem++; -} - -static void -acpi_isa_set_irq(device_t dev, void *context, u_int32_t irq) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - struct isa_config *ic = &cp->ai_configs[cp->ai_config]; - - if (cp == NULL) - return; - if (ic->ic_nirq == ISA_NIRQ) { - printf("too many IRQs\n"); - return; - } - ic->ic_irqmask[ic->ic_nirq] = 1 << irq; - ic->ic_nirq++; -} - -static void -acpi_isa_set_drq(device_t dev, void *context, u_int32_t drq) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - struct isa_config *ic = &cp->ai_configs[cp->ai_config]; - - if (cp == NULL) - return; - if (ic->ic_nirq == ISA_NDRQ) { - printf("too many DRQs\n"); - return; - } - ic->ic_drqmask[ic->ic_ndrq] = drq; - ic->ic_ndrq++; -} - -/* - * XXX the "too many dependant configs" logic here is wrong, and - * will spam the last dependant config. - */ -static void -acpi_isa_set_start_dependant(device_t dev, void *context, int preference) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - - if (cp == NULL) - return; - - if (cp->ai_nconfigs > MAXDEP) { - printf("too many dependant configs\n"); - return; - } - cp->ai_config = cp->ai_nconfigs; - cp->ai_priorities[cp->ai_config] = preference; - cp->ai_nconfigs++; -} - -static void -acpi_isa_set_end_dependant(device_t dev, void *context) -{ - struct acpi_isa_context *cp = (struct acpi_isa_context *)context; - - if (cp == NULL) - return; - cp->ai_config = 0; -} |
