firewire.h revision bf54e1462b9192fdef7ea9e2bc44fdc16a4b87bc
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 35a1a1132bd83d0aea51d4f19be4b4a58a064a0131Clemens Ladisch#define CSR_PRIORITY_BUDGET 0x218 3677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_BUS_MANAGER_ID 0x21c 3777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_BANDWIDTH_AVAILABLE 0x220 3877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CHANNELS_AVAILABLE 0x224 3977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CHANNELS_AVAILABLE_HI 0x224 4077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CHANNELS_AVAILABLE_LO 0x228 413d1f46eb60b155c705e389ecdf313f11b4b91976Clemens Ladisch#define CSR_MAINT_UTILITY 0x230 4277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_BROADCAST_CHANNEL 0x234 4377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CONFIG_ROM 0x400 4477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_CONFIG_ROM_END 0x800 4577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_FCP_COMMAND 0xB00 4677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_FCP_RESPONSE 0xD00 4777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_FCP_END 0xF00 4877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_TOPOLOGY_MAP 0x1000 4977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_TOPOLOGY_MAP_END 0x1400 5077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_SPEED_MAP 0x2000 5177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_SPEED_MAP_END 0x3000 5277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 5377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_OFFSET 0x40 5477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_LEAF 0x80 5577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_DIRECTORY 0xc0 5677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 5777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_DESCRIPTOR 0x01 5877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_VENDOR 0x03 5977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_HARDWARE_VERSION 0x04 6077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_UNIT 0x11 6177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_SPECIFIER_ID 0x12 6277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_VERSION 0x13 6377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_DEPENDENT_INFO 0x14 6477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_MODEL 0x17 6577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#define CSR_DIRECTORY_ID 0x20 6677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 6777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_csr_iterator { 6813b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richter const u32 *p; 6913b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richter const u32 *end; 7077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 7177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 7213b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richtervoid fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p); 7377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value); 7413b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richterint fw_csr_string(const u32 *directory, int key, char *buf, size_t size); 751f8fef7b3388b5a976e80839679b5bae581a1091Clemens Ladisch 7677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterextern struct bus_type fw_bus_type; 7777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 7877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_card_driver; 7977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_node; 8077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 8177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_card { 8277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter const struct fw_card_driver *driver; 8377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct device *device; 8477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct kref kref; 8577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct completion done; 8677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 8777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int node_id; 8877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation; 891e626fdcef61460dc75fe7377f38bb019722b848Stefan Richter int current_tlabel; 901e626fdcef61460dc75fe7377f38bb019722b848Stefan Richter u64 tlabel_mask; 9177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head transaction_list; 9277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned long reset_jiffies; 9377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 948e4b50f94e8c1435a3e0ece42b7f97bc857d0145Clemens Ladisch u32 split_timeout_hi; 958e4b50f94e8c1435a3e0ece42b7f97bc857d0145Clemens Ladisch u32 split_timeout_lo; 968e4b50f94e8c1435a3e0ece42b7f97bc857d0145Clemens Ladisch unsigned int split_timeout_cycles; 978e4b50f94e8c1435a3e0ece42b7f97bc857d0145Clemens Ladisch unsigned int split_timeout_jiffies; 988e4b50f94e8c1435a3e0ece42b7f97bc857d0145Clemens Ladisch 9977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned long long guid; 10077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned max_receive; 10177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int link_speed; 10277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int config_rom_generation; 10377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 10477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter spinlock_t lock; /* Take this lock when handling the lists in 10577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * this struct. */ 10677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_node *local_node; 10777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_node *root_node; 10877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_node *irm_node; 10977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u8 color; /* must be u8 to match the definition in struct fw_node */ 11077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int gap_count; 11177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter bool beta_repeaters_present; 11277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 11377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int index; 11477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head link; 11577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 116bf54e1462b9192fdef7ea9e2bc44fdc16a4b87bcStefan Richter struct list_head phy_receiver_list; 117bf54e1462b9192fdef7ea9e2bc44fdc16a4b87bcStefan Richter 11802d37bed188c500ee7afb0a2dc6b65a80704c58eStefan Richter struct delayed_work br_work; /* bus reset job */ 11902d37bed188c500ee7afb0a2dc6b65a80704c58eStefan Richter bool br_short; 12002d37bed188c500ee7afb0a2dc6b65a80704c58eStefan Richter 12102d37bed188c500ee7afb0a2dc6b65a80704c58eStefan Richter struct delayed_work bm_work; /* bus manager job */ 12277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int bm_retries; 12377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int bm_generation; 1246fdc03709433ccc2005f0f593ae9d9dd04f7b485Stefan Richter __be32 bm_transaction_data[2]; 125250b2b6dd421c9f8844a867d2ac06e0661e0ad93Stefan Richter int bm_node_id; 126c8a94ded57e9cc2498d401b2f5c856213a3e19fbStefan Richter bool bm_abdicate; 12777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 128db3c9cc105ee844f6cd7a1beb9926fb8e9a093aeStefan Richter bool priority_budget_implemented; /* controller feature */ 129db3c9cc105ee844f6cd7a1beb9926fb8e9a093aeStefan Richter bool broadcast_channel_auto_allocated; /* controller feature */ 130db3c9cc105ee844f6cd7a1beb9926fb8e9a093aeStefan Richter 13177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter bool broadcast_channel_allocated; 13277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u32 broadcast_channel; 133cb7c96da3651111efbe088fa12f9bed61836ea93Stefan Richter __be32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4]; 1343d1f46eb60b155c705e389ecdf313f11b4b91976Clemens Ladisch 1353d1f46eb60b155c705e389ecdf313f11b4b91976Clemens Ladisch __be32 maint_utility_register; 13677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 13777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 13877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_attribute_group { 13977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct attribute_group *groups[2]; 14077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct attribute_group group; 14177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct attribute *attrs[12]; 14277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 14377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 14477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterenum fw_device_state { 14577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter FW_DEVICE_INITIALIZING, 14677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter FW_DEVICE_RUNNING, 14777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter FW_DEVICE_GONE, 14877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter FW_DEVICE_SHUTDOWN, 14977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 15077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 15177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter/* 15277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * Note, fw_device.generation always has to be read before fw_device.node_id. 15377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * Use SMP memory barriers to ensure this. Otherwise requests will be sent 15477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * to an outdated node_id if the generation was updated in the meantime due 15577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * to a bus reset. 15677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * 15777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * Likewise, fw-core will take care to update .node_id before .generation so 15877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * that whenever fw_device.generation is current WRT the actual bus generation, 15977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * fw_device.node_id is guaranteed to be current too. 16077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * 16177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * The same applies to fw_device.card->node_id vs. fw_device.generation. 16277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * 16377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * fw_device.config_rom and fw_device.config_rom_length may be accessed during 16477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * the lifetime of any fw_unit belonging to the fw_device, before device_del() 16577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * was called on the last fw_unit. Alternatively, they may be accessed while 16677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * holding fw_device_rwsem. 16777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 16877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_device { 16977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter atomic_t state; 17077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_node *node; 17177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int node_id; 17277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation; 17377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned max_speed; 17477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_card *card; 17577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct device device; 17677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 17777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct mutex client_list_mutex; 17877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head client_list; 17977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 18013b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richter const u32 *config_rom; 18177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter size_t config_rom_length; 18277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int config_rom_retries; 18377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned is_local:1; 184837ec787d85fda8d73193a399ebcea0288e4765bStefan Richter unsigned max_rec:4; 18577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned cmc:1; 186837ec787d85fda8d73193a399ebcea0288e4765bStefan Richter unsigned irmc:1; 18777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned bc_implemented:2; 18877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 18977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct delayed_work work; 19077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_attribute_group attribute_group; 19177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 19277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 19377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline struct fw_device *fw_device(struct device *dev) 19477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 19577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return container_of(dev, struct fw_device, device); 19677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 19777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 19877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline int fw_device_is_shutdown(struct fw_device *device) 19977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 20077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return atomic_read(&device->state) == FW_DEVICE_SHUTDOWN; 20177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 20277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 20377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline struct fw_device *fw_device_get(struct fw_device *device) 20477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 20577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter get_device(&device->device); 20677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 20777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return device; 20877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 20977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 21077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline void fw_device_put(struct fw_device *device) 21177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 21277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter put_device(&device->device); 21377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 21477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 21577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_device_enable_phys_dma(struct fw_device *device); 21677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 21777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter/* 21877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * fw_unit.directory must not be accessed after device_del(&fw_unit.device). 21977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 22077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_unit { 22177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct device device; 22213b302d0a217580c0129b0641b0ca8b592e437b0Stefan Richter const u32 *directory; 22377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_attribute_group attribute_group; 22477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 22577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 22677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline struct fw_unit *fw_unit(struct device *dev) 22777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 22877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return container_of(dev, struct fw_unit, device); 22977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 23077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 23177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline struct fw_unit *fw_unit_get(struct fw_unit *unit) 23277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 23377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter get_device(&unit->device); 23477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 23577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter return unit; 23677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 23777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 23877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstatic inline void fw_unit_put(struct fw_unit *unit) 23977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter{ 24077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter put_device(&unit->device); 24177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter} 24277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 243e5110d011e03030926872457f05e49e3d5031737Stefan Richterstatic inline struct fw_device *fw_parent_device(struct fw_unit *unit) 244e5110d011e03030926872457f05e49e3d5031737Stefan Richter{ 245e5110d011e03030926872457f05e49e3d5031737Stefan Richter return fw_device(unit->device.parent); 246e5110d011e03030926872457f05e49e3d5031737Stefan Richter} 247e5110d011e03030926872457f05e49e3d5031737Stefan Richter 24877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct ieee1394_device_id; 24977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 25077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_driver { 25177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct device_driver driver; 25277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter /* Called when the parent device sits through a bus reset. */ 25377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void (*update)(struct fw_unit *unit); 25477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter const struct ieee1394_device_id *id_table; 25577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 25677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 25777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_packet; 25877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_request; 25977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 26077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtertypedef void (*fw_packet_callback_t)(struct fw_packet *packet, 26177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_card *card, int status); 26277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtertypedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode, 26377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *data, size_t length, 26477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *callback_data); 26577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter/* 266db5d247ae811f49185a71e703b65acad845e4b18Clemens Ladisch * Important note: Except for the FCP registers, the callback must guarantee 267db5d247ae811f49185a71e703b65acad845e4b18Clemens Ladisch * that either fw_send_response() or kfree() is called on the @request. 26877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 26977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtertypedef void (*fw_address_callback_t)(struct fw_card *card, 27077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_request *request, 27177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int tcode, int destination, int source, 27233e553fe2b4a983ef34a57ab1440d8d33397bb12Stefan Richter int generation, 27377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned long long offset, 27477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *data, size_t length, 27577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *callback_data); 27677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 27777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_packet { 27877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int speed; 27977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation; 28077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u32 header[4]; 28177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter size_t header_length; 28277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *payload; 28377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter size_t payload_length; 28477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter dma_addr_t payload_bus; 28519593ffdb6daa6ba691d247a2400cece12687c52Stefan Richter bool payload_mapped; 28677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u32 timestamp; 28777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 28877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter /* 28918d0cdfd1a4cc9028c0ef80f94538b31541f8fe5Stefan Richter * This callback is called when the packet transmission has completed. 29018d0cdfd1a4cc9028c0ef80f94538b31541f8fe5Stefan Richter * For successful transmission, the status code is the ack received 29118d0cdfd1a4cc9028c0ef80f94538b31541f8fe5Stefan Richter * from the destination. Otherwise it is one of the juju-specific 29218d0cdfd1a4cc9028c0ef80f94538b31541f8fe5Stefan Richter * rcodes: RCODE_SEND_ERROR, _CANCELLED, _BUSY, _GENERATION, _NO_ACK. 29377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * The callback can be called from tasklet context and thus 29477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * must never block. 29577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 29677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter fw_packet_callback_t callback; 29777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int ack; 29877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head link; 29977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *driver_data; 30077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 30177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 30277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_transaction { 30377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int node_id; /* The generation is implied; it is always the current. */ 30477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int tlabel; 30577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int timestamp; 30677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head link; 3075c40cbfefa828208c671e2f58789e4dd04f79563Clemens Ladisch struct fw_card *card; 3085c40cbfefa828208c671e2f58789e4dd04f79563Clemens Ladisch struct timer_list split_timeout_timer; 30977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 31077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_packet packet; 31177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 31277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter /* 31377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * The data passed to the callback is valid only during the 31477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter * callback. 31577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter */ 31677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter fw_transaction_callback_t callback; 31777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *callback_data; 31877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 31977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 32077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_address_handler { 32177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u64 offset; 32277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter size_t length; 32377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter fw_address_callback_t address_callback; 32477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *callback_data; 32577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct list_head link; 32677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 32777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 32877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterstruct fw_address_region { 32977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u64 start; 33077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter u64 end; 33177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter}; 33277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 33377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterextern const struct fw_address_region fw_high_memory_region; 33477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 33577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_core_add_address_handler(struct fw_address_handler *handler, 33677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter const struct fw_address_region *region); 33777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtervoid fw_core_remove_address_handler(struct fw_address_handler *handler); 33877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtervoid fw_send_response(struct fw_card *card, 33977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_request *request, int rcode); 34077c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richtervoid fw_send_request(struct fw_card *card, struct fw_transaction *t, 34177c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int tcode, int destination_id, int generation, int speed, 34277c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter unsigned long long offset, void *payload, size_t length, 34377c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter fw_transaction_callback_t callback, void *callback_data); 34477c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_cancel_transaction(struct fw_card *card, 34577c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter struct fw_transaction *transaction); 34677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richterint fw_run_transaction(struct fw_card *card, int tcode, int destination_id, 34777c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter int generation, int speed, unsigned long long offset, 34877c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter void *payload, size_t length); 34977c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter 350c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstatic inline int fw_stream_packet_destination_id(int tag, int channel, int sy) 351c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason{ 352c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason return tag << 14 | channel << 8 | sy; 353c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason} 354c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 355c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_descriptor { 356c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct list_head link; 357c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason size_t length; 358c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 immediate; 359c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 key; 360c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason const u32 *data; 361c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason}; 362c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 363c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_core_add_descriptor(struct fw_descriptor *desc); 364c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonvoid fw_core_remove_descriptor(struct fw_descriptor *desc); 365c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 366c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason/* 367c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * The iso packet format allows for an immediate header/payload part 368c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * stored in 'header' immediately after the packet info plus an 369c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * indirect payload part that is pointer to by the 'payload' field. 370c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * Applications can use one or the other or both to implement simple 371c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * low-bandwidth streaming (e.g. audio) or more advanced 372c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * scatter-gather streaming (e.g. assembling video frame automatically). 373c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason */ 374c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_packet { 375c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u16 payload_length; /* Length of indirect payload. */ 376c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 interrupt:1; /* Generate interrupt on this packet */ 377c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 skip:1; /* Set to not send packet at all. */ 378c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 tag:2; 379c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 sy:4; 380c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 header_length:8; /* Length of immediate header. */ 381c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 header[0]; 382c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason}; 383c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 384c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_TRANSMIT 0 385c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_RECEIVE 1 386c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 387c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_TAG0 1 388c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_TAG1 2 389c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_TAG2 4 390c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_TAG3 8 391c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason#define FW_ISO_CONTEXT_MATCH_ALL_TAGS 15 392c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 393c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason/* 394c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * An iso buffer is just a set of pages mapped for DMA in the 395c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * specified direction. Since the pages are to be used for DMA, they 396c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * are not mapped into the kernel virtual address space. We store the 397c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * DMA address in the page private. The helper function 398c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason * fw_iso_buffer_map() will map the pages into a given vma. 399c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason */ 400c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_buffer { 401c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason enum dma_data_direction direction; 402c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct page **pages; 403c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int page_count; 404c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason}; 405c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 406c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card, 407c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int page_count, enum dma_data_direction direction); 408c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonvoid fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card); 409c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 410c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_context; 411c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasontypedef void (*fw_iso_callback_t)(struct fw_iso_context *context, 412c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason u32 cycle, size_t header_length, 413c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason void *header, void *data); 414c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_context { 415c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct fw_card *card; 416c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int type; 417c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int channel; 418c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int speed; 419c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason size_t header_size; 420c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason fw_iso_callback_t callback; 421c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason void *callback_data; 422c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason}; 423c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 424c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonstruct fw_iso_context *fw_iso_context_create(struct fw_card *card, 425c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int type, int channel, int speed, size_t header_size, 426c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason fw_iso_callback_t callback, void *callback_data); 427c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_iso_context_queue(struct fw_iso_context *ctx, 428c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct fw_iso_packet *packet, 429c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason struct fw_iso_buffer *buffer, 430c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason unsigned long payload); 431c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_iso_context_start(struct fw_iso_context *ctx, 432c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason int cycle, int sync, int tags); 433c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonint fw_iso_context_stop(struct fw_iso_context *ctx); 434c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlasonvoid fw_iso_context_destroy(struct fw_iso_context *ctx); 435c76acec6d55107b652a37c90b36c00bc8b04dabbJay Fenlason 43677c9a5daa9c4d9b37812c9c69c7bcbb3f9399c3cStefan Richter#endif /* _LINUX_FIREWIRE_H */ 437