Differential D17790 Diff 50585 head/sys/dev/acpica/acpi_resource.c

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head/sys/dev/acpica/acpi_resource.c

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#endif		#endif

/* Hooks for the ACPI CA debugging infrastructure */		/* Hooks for the ACPI CA debugging infrastructure */
#define _COMPONENT ACPI_BUS		#define _COMPONENT ACPI_BUS
ACPI_MODULE_NAME("RESOURCE")		ACPI_MODULE_NAME("RESOURCE")

struct lookup_irq_request {		struct lookup_irq_request {
ACPI_RESOURCE *acpi_res;		ACPI_RESOURCE *acpi_res;
struct resource *res;		u_int irq;
int counter;		int counter;
int rid;		int rid;
int found;		int found;
		int checkrid;
		int trig;
		int pol;
};		};

static ACPI_STATUS		static ACPI_STATUS
acpi_lookup_irq_handler(ACPI_RESOURCE res, void context)		acpi_lookup_irq_handler(ACPI_RESOURCE res, void context)
{		{
struct lookup_irq_request *req;		struct lookup_irq_request *req;
size_t len;		size_t len;
u_int irqnum, irq;		u_int irqnum, irq, trig, pol;

switch (res->Type) {		switch (res->Type) {
case ACPI_RESOURCE_TYPE_IRQ:		case ACPI_RESOURCE_TYPE_IRQ:
irqnum = res->Data.Irq.InterruptCount;		irqnum = res->Data.Irq.InterruptCount;
irq = res->Data.Irq.Interrupts[0];		irq = res->Data.Irq.Interrupts[0];
len = ACPI_RS_SIZE(ACPI_RESOURCE_IRQ);		len = ACPI_RS_SIZE(ACPI_RESOURCE_IRQ);
		trig = res->Data.Irq.Triggering;
		pol = res->Data.Irq.Polarity;
break;		break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:		case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
irqnum = res->Data.ExtendedIrq.InterruptCount;		irqnum = res->Data.ExtendedIrq.InterruptCount;
irq = res->Data.ExtendedIrq.Interrupts[0];		irq = res->Data.ExtendedIrq.Interrupts[0];
len = ACPI_RS_SIZE(ACPI_RESOURCE_EXTENDED_IRQ);		len = ACPI_RS_SIZE(ACPI_RESOURCE_EXTENDED_IRQ);
		trig = res->Data.ExtendedIrq.Triggering;
		pol = res->Data.ExtendedIrq.Polarity;
break;		break;
default:		default:
return (AE_OK);		return (AE_OK);
}		}
if (irqnum != 1)		if (irqnum != 1)
return (AE_OK);		return (AE_OK);
req = (struct lookup_irq_request *)context;		req = (struct lookup_irq_request *)context;
		if (req->checkrid) {
if (req->counter != req->rid) {		if (req->counter != req->rid) {
req->counter++;		req->counter++;
return (AE_OK);		return (AE_OK);
}		}
		KASSERT(irq == req->irq, ("IRQ resources do not match"));
		} else {
		if (req->irq != irq)
		return (AE_OK);
		}
req->found = 1;		req->found = 1;
KASSERT(irq == rman_get_start(req->res),		req->pol = pol;
("IRQ resources do not match"));		req->trig = trig;
		if (req->acpi_res != NULL)
bcopy(res, req->acpi_res, len);		bcopy(res, req->acpi_res, len);
return (AE_CTRL_TERMINATE);		return (AE_CTRL_TERMINATE);
}		}

ACPI_STATUS		ACPI_STATUS
acpi_lookup_irq_resource(device_t dev, int rid, struct resource *res,		acpi_lookup_irq_resource(device_t dev, int rid, struct resource *res,
ACPI_RESOURCE *acpi_res)		ACPI_RESOURCE *acpi_res)
{		{
struct lookup_irq_request req;		struct lookup_irq_request req;
ACPI_STATUS status;		ACPI_STATUS status;

req.acpi_res = acpi_res;		req.acpi_res = acpi_res;
req.res = res;		req.irq = rman_get_start(res);
req.counter = 0;		req.counter = 0;
req.rid = rid;		req.rid = rid;
req.found = 0;		req.found = 0;
		req.checkrid = 1;
status = AcpiWalkResources(acpi_get_handle(dev), "_CRS",		status = AcpiWalkResources(acpi_get_handle(dev), "_CRS",
acpi_lookup_irq_handler, &req);		acpi_lookup_irq_handler, &req);
if (ACPI_SUCCESS(status) && req.found == 0)		if (ACPI_SUCCESS(status) && req.found == 0)
status = AE_NOT_FOUND;		status = AE_NOT_FOUND;
return (status);		return (status);
}		}

void		void
Show All 31 Lines	#if defined(__amd64__) \|\| defined(__i386__)
if (irq < 16 && trig == ACPI_EDGE_SENSITIVE && pol == ACPI_ACTIVE_LOW)		if (irq < 16 && trig == ACPI_EDGE_SENSITIVE && pol == ACPI_ACTIVE_LOW)
pol = ACPI_ACTIVE_HIGH;		pol = ACPI_ACTIVE_HIGH;
#endif		#endif
BUS_CONFIG_INTR(dev, irq, (trig == ACPI_EDGE_SENSITIVE) ?		BUS_CONFIG_INTR(dev, irq, (trig == ACPI_EDGE_SENSITIVE) ?
INTR_TRIGGER_EDGE : INTR_TRIGGER_LEVEL, (pol == ACPI_ACTIVE_HIGH) ?		INTR_TRIGGER_EDGE : INTR_TRIGGER_LEVEL, (pol == ACPI_ACTIVE_HIGH) ?
INTR_POLARITY_HIGH : INTR_POLARITY_LOW);		INTR_POLARITY_HIGH : INTR_POLARITY_LOW);
}		}

		#ifdef INTRNG
		int
		acpi_map_intr(device_t dev, u_int irq, ACPI_HANDLE handle)
		{
		struct lookup_irq_request req;
		int trig, pol;

		trig = ACPI_LEVEL_SENSITIVE;
		pol = ACPI_ACTIVE_HIGH;
		if (handle != NULL) {
		req.found = 0;
		req.acpi_res = NULL;
		req.irq = irq;
		req.counter = 0;
		req.rid = 0;
		req.checkrid = 0;
		AcpiWalkResources(handle, "_CRS", acpi_lookup_irq_handler, &req);
		if (req.found != 0) {
		trig = req.trig;
		pol = req.pol;
		}
		}
		return ACPI_BUS_MAP_INTR(device_get_parent(dev), dev, irq,
		(trig == ACPI_EDGE_SENSITIVE) ? INTR_TRIGGER_EDGE : INTR_TRIGGER_LEVEL,
		(pol == ACPI_ACTIVE_HIGH) ? INTR_POLARITY_HIGH : INTR_POLARITY_LOW);
		}
		#endif

struct acpi_resource_context {		struct acpi_resource_context {
struct acpi_parse_resource_set *set;		struct acpi_parse_resource_set *set;
device_t dev;		device_t dev;
void *context;		void *context;
};		};

#ifdef ACPI_DEBUG_OUTPUT		#ifdef ACPI_DEBUG_OUTPUT
static const char *		static const char *
▲ Show 20 Lines • Show All 420 Lines • ▼ Show 20 Lines	acpi_res_set_irq(device_t dev, void context, uint8_t irq, int count,

if (cp == NULL \|\| irq == NULL)		if (cp == NULL \|\| irq == NULL)
return;		return;

/* This implements no resource relocation. */		/* This implements no resource relocation. */
if (count != 1)		if (count != 1)
return;		return;

#ifdef INTRNG
intr = ACPI_BUS_MAP_INTR(device_get_parent(dev), dev, *irq,
(trig == ACPI_EDGE_SENSITIVE) ? INTR_TRIGGER_EDGE : INTR_TRIGGER_LEVEL,
(pol == ACPI_ACTIVE_HIGH) ? INTR_POLARITY_HIGH : INTR_POLARITY_LOW);
#else
intr = *irq;		intr = *irq;
#endif
bus_set_resource(dev, SYS_RES_IRQ, cp->ar_nirq++, intr, 1);		bus_set_resource(dev, SYS_RES_IRQ, cp->ar_nirq++, intr, 1);
}		}

static void		static void
acpi_res_set_ext_irq(device_t dev, void context, uint32_t irq, int count,		acpi_res_set_ext_irq(device_t dev, void context, uint32_t irq, int count,
int trig, int pol)		int trig, int pol)
{		{
struct acpi_res_context cp = (struct acpi_res_context )context;		struct acpi_res_context cp = (struct acpi_res_context )context;
rman_res_t intr;		rman_res_t intr;

if (cp == NULL \|\| irq == NULL)		if (cp == NULL \|\| irq == NULL)
return;		return;

/* This implements no resource relocation. */		/* This implements no resource relocation. */
if (count != 1)		if (count != 1)
return;		return;

#ifdef INTRNG
intr = ACPI_BUS_MAP_INTR(device_get_parent(dev), dev, *irq,
(trig == ACPI_EDGE_SENSITIVE) ? INTR_TRIGGER_EDGE : INTR_TRIGGER_LEVEL,
(pol == ACPI_ACTIVE_HIGH) ? INTR_POLARITY_HIGH : INTR_POLARITY_LOW);
#else
intr = *irq;		intr = *irq;
#endif
bus_set_resource(dev, SYS_RES_IRQ, cp->ar_nirq++, intr, 1);		bus_set_resource(dev, SYS_RES_IRQ, cp->ar_nirq++, intr, 1);
}		}

static void		static void
acpi_res_set_drq(device_t dev, void context, uint8_t drq, int count)		acpi_res_set_drq(device_t dev, void context, uint8_t drq, int count)
{		{
struct acpi_res_context cp = (struct acpi_res_context )context;		struct acpi_res_context cp = (struct acpi_res_context )context;

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