diff options
Diffstat (limited to 'drivers/firewire/fw-device.h')
| -rw-r--r-- | drivers/firewire/fw-device.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/drivers/firewire/fw-device.h b/drivers/firewire/fw-device.h new file mode 100644 index 000000000000..0ba9d64ccf4c --- /dev/null +++ b/drivers/firewire/fw-device.h @@ -0,0 +1,146 @@ +/* + * 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> +#include <asm/atomic.h> + +enum fw_device_state { + FW_DEVICE_INITIALIZING, + FW_DEVICE_RUNNING, + FW_DEVICE_SHUTDOWN, +}; + +struct fw_attribute_group { + struct attribute_group *groups[2]; + struct attribute_group group; + struct attribute *attrs[11]; +}; + +struct fw_device { + atomic_t state; + struct fw_node *node; + int node_id; + int generation; + struct fw_card *card; + struct device device; + struct list_head link; + struct list_head client_list; + u32 *config_rom; + size_t config_rom_length; + int config_rom_retries; + struct delayed_work work; + struct fw_attribute_group attribute_group; +}; + +static inline struct fw_device * +fw_device(struct device *dev) +{ + return container_of(dev, struct fw_device, device); +} + +static inline int +fw_device_is_shutdown(struct fw_device *device) +{ + return atomic_read(&device->state) == FW_DEVICE_SHUTDOWN; +} + +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); + +void fw_device_cdev_update(struct fw_device *device); +void fw_device_cdev_remove(struct fw_device *device); + +struct fw_device *fw_device_from_devt(dev_t devt); +extern int fw_cdev_major; + +struct fw_unit { + struct device device; + u32 *directory; + struct fw_attribute_group attribute_group; +}; + +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); + const 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 const struct file_operations fw_device_ops; + +#endif /* __fw_device_h */ |