firewire: Add device probing and sysfs integration.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 127 insertions, 0 deletions

diff --git a/drivers/firewire/fw-device.h b/drivers/firewire/fw-device.h
new file mode 100644
index 000000000000..84cd5e7e2fce
--- /dev/null
+++ b/drivers/firewire/fw-device.h
@@ -0,0 +1,127 @@
+/*                                              -*- c-basic-offset: 8 -*-
+ *
+ * fw-device.h - Device probing and sysfs code.
+ *
+ * Copyright (C) 2005-2006  Kristian Hoegsberg <krh@bitplanet.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __fw_device_h
+#define __fw_device_h
+
+#include <linux/fs.h>
+#include <linux/cdev.h>
+
+enum fw_device_state {
+        FW_DEVICE_INITIALIZING,
+        FW_DEVICE_RUNNING,
+        FW_DEVICE_SHUTDOWN
+};
+
+struct fw_device {
+        int state;
+        struct fw_node *node;
+        int node_id;
+        int generation;
+        struct fw_card *card;
+        struct device device;
+        struct cdev cdev;
+        __be32 *config_rom;
+        size_t config_rom_length;
+        int config_rom_retries;
+        struct delayed_work work;
+};
+
+static inline struct fw_device *
+fw_device(struct device *dev)
+{
+        return container_of(dev, struct fw_device, device);
+}
+
+struct fw_device *fw_device_get(struct fw_device *device);
+void fw_device_put(struct fw_device *device);
+int fw_device_enable_phys_dma(struct fw_device *device);
+
+struct fw_unit {
+        struct device device;
+        u32 *directory;
+};
+
+static inline struct fw_unit *
+fw_unit(struct device *dev)
+{
+        return container_of(dev, struct fw_unit, device);
+}
+
+#define CSR_OFFSET      0x40
+#define CSR_LEAF        0x80
+#define CSR_DIRECTORY   0xc0
+
+#define CSR_DESCRIPTOR          0x01
+#define CSR_VENDOR              0x03
+#define CSR_HARDWARE_VERSION    0x04
+#define CSR_NODE_CAPABILITIES   0x0c
+#define CSR_UNIT                0x11
+#define CSR_SPECIFIER_ID        0x12
+#define CSR_VERSION             0x13
+#define CSR_DEPENDENT_INFO      0x14
+#define CSR_MODEL               0x17
+#define CSR_INSTANCE            0x18
+
+#define SBP2_COMMAND_SET_SPECIFIER      0x38
+#define SBP2_COMMAND_SET                0x39
+#define SBP2_COMMAND_SET_REVISION       0x3b
+#define SBP2_FIRMWARE_REVISION          0x3c
+
+struct fw_csr_iterator {
+        u32 *p;
+        u32 *end;
+};
+
+void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 *p);
+int fw_csr_iterator_next(struct fw_csr_iterator *ci,
+                         int *key, int *value);
+
+#define FW_MATCH_VENDOR         0x0001
+#define FW_MATCH_MODEL          0x0002
+#define FW_MATCH_SPECIFIER_ID   0x0004
+#define FW_MATCH_VERSION        0x0008
+
+struct fw_device_id {
+        u32 match_flags;
+        u32 vendor;
+        u32 model;
+        u32 specifier_id;
+        u32 version;
+        void *driver_data;
+};
+
+struct fw_driver {
+        struct device_driver driver;
+        /* Called when the parent device sits through a bus reset. */
+        void (*update) (struct fw_unit *unit);
+        struct fw_device_id *id_table;
+};
+
+static inline struct fw_driver *
+fw_driver(struct device_driver *drv)
+{
+        return container_of(drv, struct fw_driver, driver);
+}
+
+extern struct file_operations fw_device_ops;
+
+#endif