#ifndef __fw_transaction_h
#define __fw_transaction_h
+#include <linux/completion.h>
#include <linux/device.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/fs.h>
#include <linux/dma-mapping.h>
#include <linux/firewire-constants.h>
-#include <asm/atomic.h>
+#include <linux/kref.h>
+#include <linux/list.h>
+#include <linux/spinlock_types.h>
+#include <linux/timer.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
#define TCODE_IS_READ_REQUEST(tcode) (((tcode) & ~1) == 4)
#define TCODE_IS_BLOCK_PACKET(tcode) (((tcode) & 1) != 0)
#define CSR_SPEED_MAP 0x2000
#define CSR_SPEED_MAP_END 0x3000
+#define BROADCAST_CHANNEL_INITIAL (1 << 31 | 31)
+#define BROADCAST_CHANNEL_VALID (1 << 30)
+
#define fw_notify(s, args...) printk(KERN_NOTICE KBUILD_MODNAME ": " s, ## args)
#define fw_error(s, args...) printk(KERN_ERR KBUILD_MODNAME ": " s, ## args)
size_t header_length;
void *payload;
size_t payload_length;
+ dma_addr_t payload_bus;
u32 timestamp;
/*
u64 end;
};
-extern const struct fw_address_region fw_low_memory_region;
extern const struct fw_address_region fw_high_memory_region;
-extern const struct fw_address_region fw_private_region;
-extern const struct fw_address_region fw_csr_region;
-extern const struct fw_address_region fw_unit_space_region;
int fw_core_add_address_handler(struct fw_address_handler *handler,
const struct fw_address_region *region);
struct fw_card {
const struct fw_card_driver *driver;
struct device *device;
- atomic_t device_count;
+ struct kref kref;
+ struct completion done;
int node_id;
int generation;
- /* This is the generation used for timestamping incoming requests. */
- int request_generation;
int current_tlabel, tlabel_mask;
struct list_head transaction_list;
struct timer_list flush_timer;
int link_speed;
int config_rom_generation;
- /*
- * We need to store up to 4 self ID for a maximum of 63
- * devices plus 3 words for the topology map header.
- */
- int self_id_count;
- u32 topology_map[252 + 3];
-
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;
- int color;
+ u8 color; /* must be u8 to match the definition in struct fw_node */
int gap_count;
bool beta_repeaters_present;
struct delayed_work work;
int bm_retries;
int bm_generation;
+
+ u32 broadcast_channel;
+ u32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];
};
+static inline struct fw_card *fw_card_get(struct fw_card *card)
+{
+ kref_get(&card->kref);
+
+ return card;
+}
+
+void fw_card_release(struct kref *kref);
+
+static inline void fw_card_put(struct fw_card *card)
+{
+ kref_put(&card->kref, fw_card_release);
+}
+
+extern void fw_schedule_bm_work(struct fw_card *card, unsigned long delay);
+
/*
* The iso packet format allows for an immediate header/payload part
* stored in 'header' immediately after the packet info plus an
fw_iso_context_stop(struct fw_iso_context *ctx);
struct fw_card_driver {
- const char *name;
-
/*
* Enable the given card with the given initial config rom.
* This function is expected to activate the card, and either
void
fw_send_request(struct fw_card *card, struct fw_transaction *t,
- int tcode, int node_id, int generation, int speed,
- unsigned long long offset,
- void *data, size_t length,
+ int tcode, int destination_id, int generation, int speed,
+ unsigned long long offset, void *data, size_t length,
fw_transaction_callback_t callback, void *callback_data);
+int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
+ int generation, int speed, unsigned long long offset,
+ void *data, size_t length);
+
int fw_cancel_transaction(struct fw_card *card,
struct fw_transaction *transaction);