diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/firewire.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/firewire.h | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/ANDROID_3.4.5/include/linux/firewire.h b/ANDROID_3.4.5/include/linux/firewire.h deleted file mode 100644 index cdc9b719..00000000 --- a/ANDROID_3.4.5/include/linux/firewire.h +++ /dev/null @@ -1,440 +0,0 @@ -#ifndef _LINUX_FIREWIRE_H -#define _LINUX_FIREWIRE_H - -#include <linux/completion.h> -#include <linux/device.h> -#include <linux/dma-mapping.h> -#include <linux/kernel.h> -#include <linux/kref.h> -#include <linux/list.h> -#include <linux/mutex.h> -#include <linux/spinlock.h> -#include <linux/sysfs.h> -#include <linux/timer.h> -#include <linux/types.h> -#include <linux/workqueue.h> - -#include <linux/atomic.h> -#include <asm/byteorder.h> - -#define CSR_REGISTER_BASE 0xfffff0000000ULL - -/* register offsets are relative to CSR_REGISTER_BASE */ -#define CSR_STATE_CLEAR 0x0 -#define CSR_STATE_SET 0x4 -#define CSR_NODE_IDS 0x8 -#define CSR_RESET_START 0xc -#define CSR_SPLIT_TIMEOUT_HI 0x18 -#define CSR_SPLIT_TIMEOUT_LO 0x1c -#define CSR_CYCLE_TIME 0x200 -#define CSR_BUS_TIME 0x204 -#define CSR_BUSY_TIMEOUT 0x210 -#define CSR_PRIORITY_BUDGET 0x218 -#define CSR_BUS_MANAGER_ID 0x21c -#define CSR_BANDWIDTH_AVAILABLE 0x220 -#define CSR_CHANNELS_AVAILABLE 0x224 -#define CSR_CHANNELS_AVAILABLE_HI 0x224 -#define CSR_CHANNELS_AVAILABLE_LO 0x228 -#define CSR_MAINT_UTILITY 0x230 -#define CSR_BROADCAST_CHANNEL 0x234 -#define CSR_CONFIG_ROM 0x400 -#define CSR_CONFIG_ROM_END 0x800 -#define CSR_OMPR 0x900 -#define CSR_OPCR(i) (0x904 + (i) * 4) -#define CSR_IMPR 0x980 -#define CSR_IPCR(i) (0x984 + (i) * 4) -#define CSR_FCP_COMMAND 0xB00 -#define CSR_FCP_RESPONSE 0xD00 -#define CSR_FCP_END 0xF00 -#define CSR_TOPOLOGY_MAP 0x1000 -#define CSR_TOPOLOGY_MAP_END 0x1400 -#define CSR_SPEED_MAP 0x2000 -#define CSR_SPEED_MAP_END 0x3000 - -#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_UNIT 0x11 -#define CSR_SPECIFIER_ID 0x12 -#define CSR_VERSION 0x13 -#define CSR_DEPENDENT_INFO 0x14 -#define CSR_MODEL 0x17 -#define CSR_DIRECTORY_ID 0x20 - -struct fw_csr_iterator { - const u32 *p; - const u32 *end; -}; - -void fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p); -int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value); -int fw_csr_string(const u32 *directory, int key, char *buf, size_t size); - -extern struct bus_type fw_bus_type; - -struct fw_card_driver; -struct fw_node; - -struct fw_card { - const struct fw_card_driver *driver; - struct device *device; - struct kref kref; - struct completion done; - - int node_id; - int generation; - int current_tlabel; - u64 tlabel_mask; - struct list_head transaction_list; - u64 reset_jiffies; - - u32 split_timeout_hi; - u32 split_timeout_lo; - unsigned int split_timeout_cycles; - unsigned int split_timeout_jiffies; - - unsigned long long guid; - unsigned max_receive; - int link_speed; - int config_rom_generation; - - spinlock_t lock; /* Take this lock when handling the lists in - * this struct. */ - struct fw_node *local_node; - struct fw_node *root_node; - struct fw_node *irm_node; - u8 color; /* must be u8 to match the definition in struct fw_node */ - int gap_count; - bool beta_repeaters_present; - - int index; - struct list_head link; - - struct list_head phy_receiver_list; - - struct delayed_work br_work; /* bus reset job */ - bool br_short; - - struct delayed_work bm_work; /* bus manager job */ - int bm_retries; - int bm_generation; - int bm_node_id; - bool bm_abdicate; - - bool priority_budget_implemented; /* controller feature */ - bool broadcast_channel_auto_allocated; /* controller feature */ - - bool broadcast_channel_allocated; - u32 broadcast_channel; - __be32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4]; - - __be32 maint_utility_register; -}; - -struct fw_attribute_group { - struct attribute_group *groups[2]; - struct attribute_group group; - struct attribute *attrs[12]; -}; - -enum fw_device_state { - FW_DEVICE_INITIALIZING, - FW_DEVICE_RUNNING, - FW_DEVICE_GONE, - FW_DEVICE_SHUTDOWN, -}; - -/* - * Note, fw_device.generation always has to be read before fw_device.node_id. - * Use SMP memory barriers to ensure this. Otherwise requests will be sent - * to an outdated node_id if the generation was updated in the meantime due - * to a bus reset. - * - * Likewise, fw-core will take care to update .node_id before .generation so - * that whenever fw_device.generation is current WRT the actual bus generation, - * fw_device.node_id is guaranteed to be current too. - * - * The same applies to fw_device.card->node_id vs. fw_device.generation. - * - * fw_device.config_rom and fw_device.config_rom_length may be accessed during - * the lifetime of any fw_unit belonging to the fw_device, before device_del() - * was called on the last fw_unit. Alternatively, they may be accessed while - * holding fw_device_rwsem. - */ -struct fw_device { - atomic_t state; - struct fw_node *node; - int node_id; - int generation; - unsigned max_speed; - struct fw_card *card; - struct device device; - - struct mutex client_list_mutex; - struct list_head client_list; - - const u32 *config_rom; - size_t config_rom_length; - int config_rom_retries; - unsigned is_local:1; - unsigned max_rec:4; - unsigned cmc:1; - unsigned irmc:1; - unsigned bc_implemented:2; - - 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; -} - -int fw_device_enable_phys_dma(struct fw_device *device); - -/* - * fw_unit.directory must not be accessed after device_del(&fw_unit.device). - */ -struct fw_unit { - struct device device; - const 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); -} - -static inline struct fw_unit *fw_unit_get(struct fw_unit *unit) -{ - get_device(&unit->device); - - return unit; -} - -static inline void fw_unit_put(struct fw_unit *unit) -{ - put_device(&unit->device); -} - -static inline struct fw_device *fw_parent_device(struct fw_unit *unit) -{ - return fw_device(unit->device.parent); -} - -struct ieee1394_device_id; - -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 ieee1394_device_id *id_table; -}; - -struct fw_packet; -struct fw_request; - -typedef void (*fw_packet_callback_t)(struct fw_packet *packet, - struct fw_card *card, int status); -typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode, - void *data, size_t length, - void *callback_data); -/* - * Important note: Except for the FCP registers, the callback must guarantee - * that either fw_send_response() or kfree() is called on the @request. - */ -typedef void (*fw_address_callback_t)(struct fw_card *card, - struct fw_request *request, - int tcode, int destination, int source, - int generation, - unsigned long long offset, - void *data, size_t length, - void *callback_data); - -struct fw_packet { - int speed; - int generation; - u32 header[4]; - size_t header_length; - void *payload; - size_t payload_length; - dma_addr_t payload_bus; - bool payload_mapped; - u32 timestamp; - - /* - * This callback is called when the packet transmission has completed. - * For successful transmission, the status code is the ack received - * from the destination. Otherwise it is one of the juju-specific - * rcodes: RCODE_SEND_ERROR, _CANCELLED, _BUSY, _GENERATION, _NO_ACK. - * The callback can be called from tasklet context and thus - * must never block. - */ - fw_packet_callback_t callback; - int ack; - struct list_head link; - void *driver_data; -}; - -struct fw_transaction { - int node_id; /* The generation is implied; it is always the current. */ - int tlabel; - struct list_head link; - struct fw_card *card; - bool is_split_transaction; - struct timer_list split_timeout_timer; - - struct fw_packet packet; - - /* - * The data passed to the callback is valid only during the - * callback. - */ - fw_transaction_callback_t callback; - void *callback_data; -}; - -struct fw_address_handler { - u64 offset; - size_t length; - fw_address_callback_t address_callback; - void *callback_data; - struct list_head link; -}; - -struct fw_address_region { - u64 start; - u64 end; -}; - -extern const struct fw_address_region fw_high_memory_region; - -int fw_core_add_address_handler(struct fw_address_handler *handler, - const struct fw_address_region *region); -void fw_core_remove_address_handler(struct fw_address_handler *handler); -void fw_send_response(struct fw_card *card, - struct fw_request *request, int rcode); -void fw_send_request(struct fw_card *card, struct fw_transaction *t, - int tcode, int destination_id, int generation, int speed, - unsigned long long offset, void *payload, size_t length, - fw_transaction_callback_t callback, void *callback_data); -int fw_cancel_transaction(struct fw_card *card, - struct fw_transaction *transaction); -int fw_run_transaction(struct fw_card *card, int tcode, int destination_id, - int generation, int speed, unsigned long long offset, - void *payload, size_t length); - -static inline int fw_stream_packet_destination_id(int tag, int channel, int sy) -{ - return tag << 14 | channel << 8 | sy; -} - -struct fw_descriptor { - struct list_head link; - size_t length; - u32 immediate; - u32 key; - const u32 *data; -}; - -int fw_core_add_descriptor(struct fw_descriptor *desc); -void fw_core_remove_descriptor(struct fw_descriptor *desc); - -/* - * The iso packet format allows for an immediate header/payload part - * stored in 'header' immediately after the packet info plus an - * indirect payload part that is pointer to by the 'payload' field. - * Applications can use one or the other or both to implement simple - * low-bandwidth streaming (e.g. audio) or more advanced - * scatter-gather streaming (e.g. assembling video frame automatically). - */ -struct fw_iso_packet { - u16 payload_length; /* Length of indirect payload */ - u32 interrupt:1; /* Generate interrupt on this packet */ - u32 skip:1; /* tx: Set to not send packet at all */ - /* rx: Sync bit, wait for matching sy */ - u32 tag:2; /* tx: Tag in packet header */ - u32 sy:4; /* tx: Sy in packet header */ - u32 header_length:8; /* Length of immediate header */ - u32 header[0]; /* tx: Top of 1394 isoch. data_block */ -}; - -#define FW_ISO_CONTEXT_TRANSMIT 0 -#define FW_ISO_CONTEXT_RECEIVE 1 -#define FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL 2 - -#define FW_ISO_CONTEXT_MATCH_TAG0 1 -#define FW_ISO_CONTEXT_MATCH_TAG1 2 -#define FW_ISO_CONTEXT_MATCH_TAG2 4 -#define FW_ISO_CONTEXT_MATCH_TAG3 8 -#define FW_ISO_CONTEXT_MATCH_ALL_TAGS 15 - -/* - * An iso buffer is just a set of pages mapped for DMA in the - * specified direction. Since the pages are to be used for DMA, they - * are not mapped into the kernel virtual address space. We store the - * DMA address in the page private. The helper function - * fw_iso_buffer_map() will map the pages into a given vma. - */ -struct fw_iso_buffer { - enum dma_data_direction direction; - struct page **pages; - int page_count; -}; - -int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card, - int page_count, enum dma_data_direction direction); -void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card); -size_t fw_iso_buffer_lookup(struct fw_iso_buffer *buffer, dma_addr_t completed); - -struct fw_iso_context; -typedef void (*fw_iso_callback_t)(struct fw_iso_context *context, - u32 cycle, size_t header_length, - void *header, void *data); -typedef void (*fw_iso_mc_callback_t)(struct fw_iso_context *context, - dma_addr_t completed, void *data); -struct fw_iso_context { - struct fw_card *card; - int type; - int channel; - int speed; - size_t header_size; - union { - fw_iso_callback_t sc; - fw_iso_mc_callback_t mc; - } callback; - void *callback_data; -}; - -struct fw_iso_context *fw_iso_context_create(struct fw_card *card, - int type, int channel, int speed, size_t header_size, - fw_iso_callback_t callback, void *callback_data); -int fw_iso_context_set_channels(struct fw_iso_context *ctx, u64 *channels); -int fw_iso_context_queue(struct fw_iso_context *ctx, - struct fw_iso_packet *packet, - struct fw_iso_buffer *buffer, - unsigned long payload); -void fw_iso_context_queue_flush(struct fw_iso_context *ctx); -int fw_iso_context_flush_completions(struct fw_iso_context *ctx); -int fw_iso_context_start(struct fw_iso_context *ctx, - int cycle, int sync, int tags); -int fw_iso_context_stop(struct fw_iso_context *ctx); -void fw_iso_context_destroy(struct fw_iso_context *ctx); -void fw_iso_resource_manage(struct fw_card *card, int generation, - u64 channels_mask, int *channel, int *bandwidth, - bool allocate); - -extern struct workqueue_struct *fw_workqueue; - -#endif /* _LINUX_FIREWIRE_H */ |