firewire.h revision 5c40cbfefa828208c671e2f58789e4dd04f79563
177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#ifndef _LINUX_FIREWIRE_H 277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define _LINUX_FIREWIRE_H 377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/completion.h> 577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/device.h> 6c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#include <linux/dma-mapping.h> 777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/kernel.h> 877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/kref.h> 977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/list.h> 1077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/mutex.h> 1177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/spinlock.h> 1277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/sysfs.h> 1377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/timer.h> 1477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/types.h> 1577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <linux/workqueue.h> 1677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 1777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <asm/atomic.h> 1877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#include <asm/byteorder.h> 1977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 2077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define fw_notify(s, args...) printk(KERN_NOTICE KBUILD_MODNAME ": " s, ## args) 2177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define fw_error(s, args...) printk(KERN_ERR KBUILD_MODNAME ": " s, ## args) 2277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 2377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_REGISTER_BASE 0xfffff0000000ULL 2477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 2577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter/* register offsets are relative to CSR_REGISTER_BASE */ 2677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_STATE_CLEAR 0x0 2777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_STATE_SET 0x4 2877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_NODE_IDS 0x8 2977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_RESET_START 0xc 3077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_SPLIT_TIMEOUT_HI 0x18 3177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_SPLIT_TIMEOUT_LO 0x1c 3277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CYCLE_TIME 0x200 3377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_BUS_TIME 0x204 3477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_BUSY_TIMEOUT 0x210 3577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_BUS_MANAGER_ID 0x21c 3677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_BANDWIDTH_AVAILABLE 0x220 3777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CHANNELS_AVAILABLE 0x224 3877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CHANNELS_AVAILABLE_HI 0x224 3977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CHANNELS_AVAILABLE_LO 0x228 4077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_BROADCAST_CHANNEL 0x234 4177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CONFIG_ROM 0x400 4277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CONFIG_ROM_END 0x800 4377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_FCP_COMMAND 0xB00 4477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_FCP_RESPONSE 0xD00 4577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_FCP_END 0xF00 4677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_TOPOLOGY_MAP 0x1000 4777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_TOPOLOGY_MAP_END 0x1400 4877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_SPEED_MAP 0x2000 4977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_SPEED_MAP_END 0x3000 5077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 5177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_OFFSET 0x40 5277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_LEAF 0x80 5377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_DIRECTORY 0xc0 5477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 5577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_DESCRIPTOR 0x01 5677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_VENDOR 0x03 5777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_HARDWARE_VERSION 0x04 5877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_UNIT 0x11 5977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_SPECIFIER_ID 0x12 6077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_VERSION 0x13 6177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_DEPENDENT_INFO 0x14 6277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_MODEL 0x17 6377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_DIRECTORY_ID 0x20 6477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 6577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_csr_iterator { 6613b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richter const u32 *p; 6713b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richter const u32 *end; 6877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 6977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 7013b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richtervoid fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p); 7177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value); 7213b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richterint fw_csr_string(const u32 *directory, int key, char *buf, size_t size); 731f8fef7b3388b5a976e80839679b5bae581a1091Clemens Ladisch 7477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterextern struct bus_type fw_bus_type; 7577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 7677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_card_driver; 7777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_node; 7877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 7977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_card { 8077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter const struct fw_card_driver *driver; 8177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct device *device; 8277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct kref kref; 8377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct completion done; 8477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 8577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int node_id; 8677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation; 871e626fdcef61460dc75fe7377f38bb019722b848Stefan Richter int current_tlabel; 881e626fdcef61460dc75fe7377f38bb019722b848Stefan Richter u64 tlabel_mask; 8977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head transaction_list; 9077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned long reset_jiffies; 9177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 9277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned long long guid; 9377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned max_receive; 9477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int link_speed; 9577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int config_rom_generation; 9677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 9777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter spinlock_t lock; /* Take this lock when handling the lists in 9877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * this struct. */ 9977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_node *local_node; 10077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_node *root_node; 10177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_node *irm_node; 10277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u8 color; /* must be u8 to match the definition in struct fw_node */ 10377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int gap_count; 10477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter bool beta_repeaters_present; 10577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 10677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int index; 10777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 10877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head link; 10977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 11077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter /* Work struct for BM duties. */ 11177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct delayed_work work; 11277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int bm_retries; 11377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int bm_generation; 1146fdc03709433ccc2005f0f593ae9d9dd04f7b485Stefan Richter __be32 bm_transaction_data[2]; 11577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 11677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter bool broadcast_channel_allocated; 11777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u32 broadcast_channel; 118cb7c96da3651111efbe088fa12f9bed61836ea93Stefan Richter __be32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4]; 11977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 12077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 12177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_attribute_group { 12277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct attribute_group *groups[2]; 12377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct attribute_group group; 12477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct attribute *attrs[12]; 12577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 12677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 12777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterenum fw_device_state { 12877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter FW_DEVICE_INITIALIZING, 12977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter FW_DEVICE_RUNNING, 13077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter FW_DEVICE_GONE, 13177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter FW_DEVICE_SHUTDOWN, 13277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 13377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 13477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter/* 13577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * Note, fw_device.generation always has to be read before fw_device.node_id. 13677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * Use SMP memory barriers to ensure this. Otherwise requests will be sent 13777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * to an outdated node_id if the generation was updated in the meantime due 13877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * to a bus reset. 13977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * 14077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * Likewise, fw-core will take care to update .node_id before .generation so 14177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * that whenever fw_device.generation is current WRT the actual bus generation, 14277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * fw_device.node_id is guaranteed to be current too. 14377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * 14477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * The same applies to fw_device.card->node_id vs. fw_device.generation. 14577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * 14677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * fw_device.config_rom and fw_device.config_rom_length may be accessed during 14777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * the lifetime of any fw_unit belonging to the fw_device, before device_del() 14877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * was called on the last fw_unit. Alternatively, they may be accessed while 14977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * holding fw_device_rwsem. 15077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 15177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_device { 15277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter atomic_t state; 15377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_node *node; 15477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int node_id; 15577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation; 15677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned max_speed; 15777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_card *card; 15877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct device device; 15977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 16077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct mutex client_list_mutex; 16177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head client_list; 16277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 16313b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richter const u32 *config_rom; 16477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter size_t config_rom_length; 16577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int config_rom_retries; 16677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned is_local:1; 167837ec787d85fda8d73193a399ebcea0288e4765bStefan Richter unsigned max_rec:4; 16877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned cmc:1; 169837ec787d85fda8d73193a399ebcea0288e4765bStefan Richter unsigned irmc:1; 17077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned bc_implemented:2; 17177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 17277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct delayed_work work; 17377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_attribute_group attribute_group; 17477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 17577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 17677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline struct fw_device *fw_device(struct device *dev) 17777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 17877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return container_of(dev, struct fw_device, device); 17977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 18077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 18177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline int fw_device_is_shutdown(struct fw_device *device) 18277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 18377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return atomic_read(&device->state) == FW_DEVICE_SHUTDOWN; 18477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 18577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 18677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline struct fw_device *fw_device_get(struct fw_device *device) 18777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 18877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter get_device(&device->device); 18977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 19077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return device; 19177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 19277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 19377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline void fw_device_put(struct fw_device *device) 19477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 19577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter put_device(&device->device); 19677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 19777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 19877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_device_enable_phys_dma(struct fw_device *device); 19977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 20077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter/* 20177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * fw_unit.directory must not be accessed after device_del(&fw_unit.device). 20277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 20377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_unit { 20477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct device device; 20513b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richter const u32 *directory; 20677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_attribute_group attribute_group; 20777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 20877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 20977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline struct fw_unit *fw_unit(struct device *dev) 21077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 21177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return container_of(dev, struct fw_unit, device); 21277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 21377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 21477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline struct fw_unit *fw_unit_get(struct fw_unit *unit) 21577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 21677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter get_device(&unit->device); 21777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 21877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return unit; 21977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 22077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 22177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline void fw_unit_put(struct fw_unit *unit) 22277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 22377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter put_device(&unit->device); 22477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 22577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 226e5110d011e03030926872457f05e49e3d5031737Stefan Richterstatic inline struct fw_device *fw_parent_device(struct fw_unit *unit) 227e5110d011e03030926872457f05e49e3d5031737Stefan Richter{ 228e5110d011e03030926872457f05e49e3d5031737Stefan Richter return fw_device(unit->device.parent); 229e5110d011e03030926872457f05e49e3d5031737Stefan Richter} 230e5110d011e03030926872457f05e49e3d5031737Stefan Richter 23177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct ieee1394_device_id; 23277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 23377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_driver { 23477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct device_driver driver; 23577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter /* Called when the parent device sits through a bus reset. */ 23677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void (*update)(struct fw_unit *unit); 23777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter const struct ieee1394_device_id *id_table; 23877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 23977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 24077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_packet; 24177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_request; 24277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 24377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtertypedef void (*fw_packet_callback_t)(struct fw_packet *packet, 24477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_card *card, int status); 24577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtertypedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode, 24677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *data, size_t length, 24777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *callback_data); 24877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter/* 249db5d247ae811f49185a71e703b65acad845e4b18Clemens Ladisch * Important note: Except for the FCP registers, the callback must guarantee 250db5d247ae811f49185a71e703b65acad845e4b18Clemens Ladisch * that either fw_send_response() or kfree() is called on the @request. 25177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 25277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtertypedef void (*fw_address_callback_t)(struct fw_card *card, 25377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_request *request, 25477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int tcode, int destination, int source, 25577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation, int speed, 25677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned long long offset, 25777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *data, size_t length, 25877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *callback_data); 25977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 26077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_packet { 26177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int speed; 26277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation; 26377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u32 header[4]; 26477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter size_t header_length; 26577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *payload; 26677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter size_t payload_length; 26777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter dma_addr_t payload_bus; 26819593ffdb6daa6ba691d247a2400cece12687c52Stefan Richter bool payload_mapped; 26977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u32 timestamp; 27077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 27177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter /* 27277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * This callback is called when the packet transmission has 27377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * completed; for successful transmission, the status code is 27477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * the ack received from the destination, otherwise it's a 27577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * negative errno: ENOMEM, ESTALE, ETIMEDOUT, ENODEV, EIO. 27677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * The callback can be called from tasklet context and thus 27777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * must never block. 27877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 27977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter fw_packet_callback_t callback; 28077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int ack; 28177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head link; 28277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *driver_data; 28377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 28477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 28577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_transaction { 28677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int node_id; /* The generation is implied; it is always the current. */ 28777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int tlabel; 28877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int timestamp; 28977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head link; 2905c40cbfefa828208c671e2f58789e4dd04f79563Clemens Ladisch struct fw_card *card; 2915c40cbfefa828208c671e2f58789e4dd04f79563Clemens Ladisch struct timer_list split_timeout_timer; 29277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 29377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_packet packet; 29477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 29577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter /* 29677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * The data passed to the callback is valid only during the 29777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * callback. 29877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 29977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter fw_transaction_callback_t callback; 30077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *callback_data; 30177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 30277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 30377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_address_handler { 30477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u64 offset; 30577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter size_t length; 30677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter fw_address_callback_t address_callback; 30777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *callback_data; 30877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head link; 30977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 31077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 31177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_address_region { 31277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u64 start; 31377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u64 end; 31477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 31577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 31677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterextern const struct fw_address_region fw_high_memory_region; 31777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 31877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_core_add_address_handler(struct fw_address_handler *handler, 31977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter const struct fw_address_region *region); 32077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtervoid fw_core_remove_address_handler(struct fw_address_handler *handler); 32177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtervoid fw_send_response(struct fw_card *card, 32277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_request *request, int rcode); 32377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtervoid fw_send_request(struct fw_card *card, struct fw_transaction *t, 32477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int tcode, int destination_id, int generation, int speed, 32577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned long long offset, void *payload, size_t length, 32677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter fw_transaction_callback_t callback, void *callback_data); 32777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_cancel_transaction(struct fw_card *card, 32877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_transaction *transaction); 32977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_run_transaction(struct fw_card *card, int tcode, int destination_id, 33077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation, int speed, unsigned long long offset, 33177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *payload, size_t length); 33277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 333c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstatic inline int fw_stream_packet_destination_id(int tag, int channel, int sy) 334c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason{ 335c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason return tag << 14 | channel << 8 | sy; 336c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason} 337c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 338c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_descriptor { 339c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct list_head link; 340c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason size_t length; 341c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 immediate; 342c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 key; 343c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason const u32 *data; 344c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason}; 345c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 346c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_core_add_descriptor(struct fw_descriptor *desc); 347c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonvoid fw_core_remove_descriptor(struct fw_descriptor *desc); 348c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 349c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason/* 350c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * The iso packet format allows for an immediate header/payload part 351c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * stored in 'header' immediately after the packet info plus an 352c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * indirect payload part that is pointer to by the 'payload' field. 353c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * Applications can use one or the other or both to implement simple 354c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * low-bandwidth streaming (e.g. audio) or more advanced 355c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * scatter-gather streaming (e.g. assembling video frame automatically). 356c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason */ 357c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_packet { 358c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u16 payload_length; /* Length of indirect payload. */ 359c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 interrupt:1; /* Generate interrupt on this packet */ 360c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 skip:1; /* Set to not send packet at all. */ 361c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 tag:2; 362c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 sy:4; 363c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 header_length:8; /* Length of immediate header. */ 364c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 header[0]; 365c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason}; 366c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 367c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_TRANSMIT 0 368c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_RECEIVE 1 369c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 370c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_TAG0 1 371c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_TAG1 2 372c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_TAG2 4 373c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_TAG3 8 374c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_ALL_TAGS 15 375c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 376c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason/* 377c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * An iso buffer is just a set of pages mapped for DMA in the 378c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * specified direction. Since the pages are to be used for DMA, they 379c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * are not mapped into the kernel virtual address space. We store the 380c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * DMA address in the page private. The helper function 381c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * fw_iso_buffer_map() will map the pages into a given vma. 382c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason */ 383c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_buffer { 384c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason enum dma_data_direction direction; 385c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct page **pages; 386c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int page_count; 387c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason}; 388c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 389c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card, 390c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int page_count, enum dma_data_direction direction); 391c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonvoid fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card); 392c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 393c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_context; 394c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasontypedef void (*fw_iso_callback_t)(struct fw_iso_context *context, 395c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 cycle, size_t header_length, 396c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason void *header, void *data); 397c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_context { 398c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct fw_card *card; 399c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int type; 400c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int channel; 401c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int speed; 402c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason size_t header_size; 403c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason fw_iso_callback_t callback; 404c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason void *callback_data; 405c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason}; 406c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 407c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_context *fw_iso_context_create(struct fw_card *card, 408c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int type, int channel, int speed, size_t header_size, 409c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason fw_iso_callback_t callback, void *callback_data); 410c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_iso_context_queue(struct fw_iso_context *ctx, 411c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct fw_iso_packet *packet, 412c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct fw_iso_buffer *buffer, 413c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason unsigned long payload); 414c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_iso_context_start(struct fw_iso_context *ctx, 415c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int cycle, int sync, int tags); 416c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_iso_context_stop(struct fw_iso_context *ctx); 417c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonvoid fw_iso_context_destroy(struct fw_iso_context *ctx); 418c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 41977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#endif /* _LINUX_FIREWIRE_H */ 420