1 files changed, 93 insertions, 0 deletions

diff --git a/include/linux/ioc3.h b/include/linux/ioc3.h
new file mode 100644
index 000000000000..e7906a72a4f1
--- /dev/null
+++ b/include/linux/ioc3.h
@@ -0,0 +1,93 @@
+/*
+ * 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.
+ *
+ * Copyright (c) 2005 Stanislaw Skowronek <skylark@linux-mips.org>
+ */
+
+#ifndef _LINUX_IOC3_H
+#define _LINUX_IOC3_H
+
+#include <asm/sn/ioc3.h>
+
+#define IOC3_MAX_SUBMODULES     32
+
+#define IOC3_CLASS_NONE         0
+#define IOC3_CLASS_BASE_IP27    1
+#define IOC3_CLASS_BASE_IP30    2
+#define IOC3_CLASS_MENET_123    3
+#define IOC3_CLASS_MENET_4      4
+#define IOC3_CLASS_CADDUO       5
+#define IOC3_CLASS_SERIAL       6
+
+/* One of these per IOC3 */
+struct ioc3_driver_data {
+        struct list_head list;
+        int id;                         /* IOC3 sequence number */
+        /* PCI mapping */
+        unsigned long pma;              /* physical address */
+        struct __iomem ioc3 *vma;       /* pointer to registers */
+        struct pci_dev *pdev;           /* PCI device */
+        /* IRQ stuff */
+        int dual_irq;                   /* set if separate IRQs are used */
+        int irq_io, irq_eth;            /* IRQ numbers */
+        /* GPIO magic */
+        spinlock_t gpio_lock;
+        unsigned int gpdr_shadow;
+        /* NIC identifiers */
+        char nic_part[32];
+        char nic_serial[16];
+        char nic_mac[6];
+        /* submodule set */
+        int class;
+        void *data[IOC3_MAX_SUBMODULES];        /* for submodule use */
+        int active[IOC3_MAX_SUBMODULES];        /* set if probe succeeds */
+        /* is_ir_lock must be held while
+         * modifying sio_ie values, so
+         * we can be sure that sio_ie is
+         * not changing when we read it
+         * along with sio_ir.
+         */
+        spinlock_t ir_lock;     /* SIO_IE[SC] mod lock */
+};
+
+/* One per submodule */
+struct ioc3_submodule {
+        char *name;             /* descriptive submodule name */
+        struct module *owner;   /* owning kernel module */
+        int ethernet;           /* set for ethernet drivers */
+        int (*probe) (struct ioc3_submodule *, struct ioc3_driver_data *);
+        int (*remove) (struct ioc3_submodule *, struct ioc3_driver_data *);
+        int id;                 /* assigned by IOC3, index for the "data" array */
+        /* IRQ stuff */
+        unsigned int irq_mask;  /* IOC3 IRQ mask, leave clear for Ethernet */
+        int reset_mask;         /* non-zero if you want the ioc3.c module to reset interrupts */
+        int (*intr) (struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int, struct pt_regs *);
+        /* private submodule data */
+        void *data;             /* assigned by submodule */
+};
+
+/**********************************
+ * Functions needed by submodules *
+ **********************************/
+
+#define IOC3_W_IES              0
+#define IOC3_W_IEC              1
+
+/* registers a submodule for all existing and future IOC3 chips */
+extern int ioc3_register_submodule(struct ioc3_submodule *);
+/* unregisters a submodule */
+extern void ioc3_unregister_submodule(struct ioc3_submodule *);
+/* enables IRQs indicated by irq_mask for a specified IOC3 chip */
+extern void ioc3_enable(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int);
+/* ackowledges specified IRQs */
+extern void ioc3_ack(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int);
+/* disables IRQs indicated by irq_mask for a specified IOC3 chip */
+extern void ioc3_disable(struct ioc3_submodule *, struct ioc3_driver_data *, unsigned int);
+/* atomically sets GPCR bits */
+extern void ioc3_gpcr_set(struct ioc3_driver_data *, unsigned int);
+/* general ireg writer */
+extern void ioc3_write_ireg(struct ioc3_driver_data *idd, uint32_t value, int reg);
+
+#endif