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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-09 09:22:36 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-09 09:22:36 -0800
commit68a696a01f482859a9fe937249e8b3d44252b610 (patch)
tree42f2465a5f4ad008734ad45d61204d950ece7338 /include/linux
parentdcb92f8804717b845db70939b523c5d152a2e0ea (diff)
parentf85da084151c9454891124c999006857a354622a (diff)
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-tc
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-tc: [EISA] EISA registration with !CONFIG_EISA [TC] pmagb-b-fb: Convert to the driver model [TC] dec_esp: Driver model for the PMAZ-A [TC] mips: pmag-ba-fb: Convert to the driver model [TC] defxx: TURBOchannel support [TC] TURBOchannel support for the DECstation [TC] MIPS: TURBOchannel resources off-by-one fix [TC] MIPS: TURBOchannel update to the driver model
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/eisa.h10
-rw-r--r--include/linux/tc.h141
2 files changed, 151 insertions, 0 deletions
diff --git a/include/linux/eisa.h b/include/linux/eisa.h
index 1ff7c139252..fe806b6f030 100644
--- a/include/linux/eisa.h
+++ b/include/linux/eisa.h
@@ -61,10 +61,20 @@ struct eisa_driver {
#define to_eisa_driver(drv) container_of(drv,struct eisa_driver, driver)
+/* These external functions are only available when EISA support is enabled. */
+#ifdef CONFIG_EISA
+
extern struct bus_type eisa_bus_type;
int eisa_driver_register (struct eisa_driver *edrv);
void eisa_driver_unregister (struct eisa_driver *edrv);
+#else /* !CONFIG_EISA */
+
+static inline int eisa_driver_register (struct eisa_driver *edrv) { return 0; }
+static inline void eisa_driver_unregister (struct eisa_driver *edrv) { }
+
+#endif /* !CONFIG_EISA */
+
/* Mimics pci.h... */
static inline void *eisa_get_drvdata (struct eisa_device *edev)
{
diff --git a/include/linux/tc.h b/include/linux/tc.h
new file mode 100644
index 00000000000..f92511e57cd
--- /dev/null
+++ b/include/linux/tc.h
@@ -0,0 +1,141 @@
+/*
+ * Interface to the TURBOchannel related routines.
+ *
+ * Copyright (c) 1998 Harald Koerfgen
+ * Copyright (c) 2005 James Simmons
+ * Copyright (c) 2006 Maciej W. Rozycki
+ *
+ * Based on:
+ *
+ * "TURBOchannel Firmware Specification", EK-TCAAD-FS-004
+ *
+ * from Digital Equipment Corporation.
+ *
+ * This file is subject to the terms and conditions of the GNU
+ * General Public License. See the file "COPYING" in the main
+ * directory of this archive for more details.
+ */
+#ifndef _LINUX_TC_H
+#define _LINUX_TC_H
+
+#include <linux/compiler.h>
+#include <linux/device.h>
+#include <linux/ioport.h>
+#include <linux/types.h>
+
+/*
+ * Offsets for the ROM header locations for TURBOchannel cards.
+ */
+#define TC_OLDCARD 0x3c0000
+#define TC_NEWCARD 0x000000
+
+#define TC_ROM_WIDTH 0x3e0
+#define TC_ROM_STRIDE 0x3e4
+#define TC_ROM_SIZE 0x3e8
+#define TC_SLOT_SIZE 0x3ec
+#define TC_PATTERN0 0x3f0
+#define TC_PATTERN1 0x3f4
+#define TC_PATTERN2 0x3f8
+#define TC_PATTERN3 0x3fc
+#define TC_FIRM_VER 0x400
+#define TC_VENDOR 0x420
+#define TC_MODULE 0x440
+#define TC_FIRM_TYPE 0x460
+#define TC_FLAGS 0x470
+#define TC_ROM_OBJECTS 0x480
+
+/*
+ * Information obtained through the get_tcinfo() PROM call.
+ */
+struct tcinfo {
+ s32 revision; /* Hardware revision level. */
+ s32 clk_period; /* Clock period in nanoseconds. */
+ s32 slot_size; /* Slot size in megabytes. */
+ s32 io_timeout; /* I/O timeout in cycles. */
+ s32 dma_range; /* DMA address range in megabytes. */
+ s32 max_dma_burst; /* Maximum DMA burst length. */
+ s32 parity; /* System module supports TC parity. */
+ s32 reserved[4];
+};
+
+/*
+ * TURBOchannel bus.
+ */
+struct tc_bus {
+ struct list_head devices; /* List of devices on this bus. */
+ struct resource resource[2]; /* Address space routed to this bus. */
+
+ struct device dev;
+ char name[13];
+ resource_size_t slot_base;
+ resource_size_t ext_slot_base;
+ resource_size_t ext_slot_size;
+ int num_tcslots;
+ struct tcinfo info;
+};
+
+/*
+ * TURBOchannel device.
+ */
+struct tc_dev {
+ struct list_head node; /* Node in list of all TC devices. */
+ struct tc_bus *bus; /* Bus this device is on. */
+ struct tc_driver *driver; /* Which driver has allocated this
+ device. */
+ struct device dev; /* Generic device interface. */
+ struct resource resource; /* Address space of this device. */
+ char vendor[9];
+ char name[9];
+ char firmware[9];
+ int interrupt;
+ int slot;
+};
+
+#define to_tc_dev(n) container_of(n, struct tc_dev, dev)
+
+struct tc_device_id {
+ char vendor[9];
+ char name[9];
+};
+
+/*
+ * TURBOchannel driver.
+ */
+struct tc_driver {
+ struct list_head node;
+ const struct tc_device_id *id_table;
+ struct device_driver driver;
+};
+
+#define to_tc_driver(drv) container_of(drv, struct tc_driver, driver)
+
+/*
+ * Return TURBOchannel clock frequency in Hz.
+ */
+static inline unsigned long tc_get_speed(struct tc_bus *tbus)
+{
+ return 100000 * (10000 / (unsigned long)tbus->info.clk_period);
+}
+
+#ifdef CONFIG_TC
+
+extern struct bus_type tc_bus_type;
+
+extern int tc_register_driver(struct tc_driver *tdrv);
+extern void tc_unregister_driver(struct tc_driver *tdrv);
+
+#else /* !CONFIG_TC */
+
+static inline int tc_register_driver(struct tc_driver *tdrv) { return 0; }
+static inline void tc_unregister_driver(struct tc_driver *tdrv) { }
+
+#endif /* CONFIG_TC */
+
+/*
+ * These have to be provided by the architecture.
+ */
+extern int tc_preadb(u8 *valp, void __iomem *addr);
+extern int tc_bus_get_info(struct tc_bus *tbus);
+extern void tc_device_get_irq(struct tc_dev *tdev);
+
+#endif /* _LINUX_TC_H */