From 6fe75065edf585a7dfae6ebe9db1538a1fac6636 Mon Sep 17 00:00:00 2001
From: imp <imp@FreeBSD.org>
Date: Sat, 7 Jun 2003 20:46:39 +0000
Subject: MFP4: 	Merge some common code from cbb into exca.

---
 sys/dev/exca/exca.c    | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++
 sys/dev/exca/excavar.h | 16 +++++++++++
 2 files changed, 88 insertions(+)

(limited to 'sys/dev/exca')

diff --git a/sys/dev/exca/exca.c b/sys/dev/exca/exca.c
index 5245b2b..09627fb 100644
--- a/sys/dev/exca/exca.c
+++ b/sys/dev/exca/exca.c
@@ -56,11 +56,14 @@
 
 #include <sys/param.h>
 #include <sys/systm.h>
+#include <sys/condvar.h>
 #include <sys/errno.h>
 #include <sys/kernel.h>
 #include <sys/malloc.h>
 #include <sys/queue.h>
 #include <sys/module.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
 #include <sys/conf.h>
 
 #include <sys/bus.h>
@@ -636,6 +639,9 @@ exca_valid_slot(struct exca_softc *exca)
 {
 	uint8_t c;
 
+	/* Assume the worst */
+	exca->chipset = EXCA_BOGUS;
+
 	/*
 	 * see if there's a PCMCIA controller here
 	 * Intel PCMCIA controllers use 0x82 and 0x83
@@ -759,6 +765,72 @@ exca_probe_slots(device_t dev, struct exca_softc *exca, bus_space_tag_t iot,
 	return (err);
 }
 
+void
+exca_insert(struct exca_softc *exca)
+{
+	if (exca->pccarddev != NULL) {
+		if (CARD_ATTACH_CARD(exca->pccarddev) != 0)
+			device_printf(exca->dev,
+			    "PC Card card activation failed\n");
+	} else {
+		device_printf(exca->dev,
+		    "PC Card inserted, but no pccard bus.\n");
+	}
+}
+  
+
+void
+exca_removal(struct exca_softc *exca)
+{
+	if (exca->pccarddev != NULL)
+		CARD_DETACH_CARD(exca->pccarddev);
+}
+
+int
+exca_activate_resource(struct exca_softc *exca, device_t child, int type,
+    int rid, struct resource *res)
+{
+	int err;
+	if (!(rman_get_flags(res) & RF_ACTIVE)) { /* not already activated */
+		switch (type) {
+		case SYS_RES_IOPORT:
+			err = exca_io_map(exca, 0, res);
+			break;
+		case SYS_RES_MEMORY:
+			err = exca_mem_map(exca, 0, res);
+			break;
+		default:
+			err = 0;
+			break;
+		}
+		if (err)
+			return (err);
+
+	}
+	return (BUS_ACTIVATE_RESOURCE(device_get_parent(exca->dev), child,
+		  type, rid, res));
+}
+
+int
+exca_deactivate_resource(struct exca_softc *exca, device_t child, int type,
+    int rid, struct resource *res)
+{
+	if (rman_get_flags(res) & RF_ACTIVE) { /* if activated */
+		switch (type) {
+		case SYS_RES_IOPORT:
+			if (exca_io_unmap_res(exca, res))
+				return (ENOENT);
+			break;
+		case SYS_RES_MEMORY:
+			if (exca_mem_unmap_res(exca, res))
+				return (ENOENT);
+			break;
+		}
+	}
+	return (BUS_DEACTIVATE_RESOURCE(device_get_parent(exca->dev), child,
+	    type, rid, res));
+}
+
 static int
 exca_modevent(module_t mod, int cmd, void *arg)
 {
diff --git a/sys/dev/exca/excavar.h b/sys/dev/exca/excavar.h
index 2f6aca5..e79bd6a 100644
--- a/sys/dev/exca/excavar.h
+++ b/sys/dev/exca/excavar.h
@@ -76,6 +76,9 @@ struct exca_softc
 	uint32_t	flags;
 #define EXCA_SOCKET_PRESENT	0x00000001
 #define EXCA_HAS_MEMREG_WIN	0x00000002
+#define EXCA_CARD_OK		0x00000004
+#define	EXCA_KTHREAD_RUNNING	0x00000008
+#define	EXCA_KTHREAD_DONE	0x00000010
 	uint32_t	offset;
 	int		chipset;
 #define EXCA_CARDBUS	0
@@ -93,12 +96,18 @@ struct exca_softc
 #define	EXCA_RF5C396	12		/* Ricoh RF5C396 */
 #define	EXCA_IBM	13		/* IBM clone */
 #define	EXCA_IBM_KING	14		/* IBM KING PCMCIA Controller */
+#define EXCA_BOGUS	-1		/* Invalid/not present/etc */
 	exca_getb_fn	*getb;
 	exca_putb_fn	*putb;
+	struct proc	*event_thread;
+	struct mtx	mtx;
+	struct cv	cv;
+	device_t	pccarddev;
 };
 
 void exca_init(struct exca_softc *sc, device_t dev, 
     bus_space_tag_t, bus_space_handle_t, uint32_t);
+void exca_insert(struct exca_softc *sc);
 int exca_io_map(struct exca_softc *sc, int width, struct resource *r);
 int exca_io_unmap_res(struct exca_softc *sc, struct resource *res);
 int exca_is_pcic(struct exca_softc *sc);
@@ -110,8 +119,15 @@ int exca_mem_set_offset(struct exca_softc *sc, struct resource *res,
 int exca_mem_unmap_res(struct exca_softc *sc, struct resource *res);
 int exca_probe_slots(device_t dev, struct exca_softc *exca,
     bus_space_tag_t iot, bus_space_handle_t ioh);
+void exca_removal(struct exca_softc *);
 void exca_reset(struct exca_softc *, device_t child);
 
+/* bus/device interfaces */
+int exca_activate_resource(struct exca_softc *exca, device_t child, int type,
+    int rid, struct resource *res);
+int exca_deactivate_resource(struct exca_softc *exca, device_t child, int type,
+    int rid, struct resource *res);
+
 static __inline uint8_t
 exca_getb(struct exca_softc *sc, int reg)
 {
-- 
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