#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>
#define fw_notify(s, args...) printk(KERN_NOTICE KBUILD_MODNAME ": " s, ## args)
#define fw_error(s, args...) printk(KERN_ERR KBUILD_MODNAME ": " s, ## args)
-static inline void fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
-{
- u32 *dst = _dst;
- __be32 *src = _src;
- int i;
-
- for (i = 0; i < size / 4; i++)
- dst[i] = be32_to_cpu(src[i]);
-}
-
-static inline void fw_memcpy_to_be32(void *_dst, void *_src, size_t size)
-{
- fw_memcpy_from_be32(_dst, _src, size);
-}
#define CSR_REGISTER_BASE 0xfffff0000000ULL
/* register offsets are relative to CSR_REGISTER_BASE */
#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 CSR_DIRECTORY_ID 0x20
struct fw_csr_iterator {
- u32 *p;
- u32 *end;
+ const u32 *p;
+ const u32 *end;
};
-void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 *p);
+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;
int node_id;
int generation;
- int current_tlabel, tlabel_mask;
+ int current_tlabel;
+ u64 tlabel_mask;
struct list_head transaction_list;
- struct timer_list flush_timer;
unsigned long reset_jiffies;
unsigned long long guid;
struct delayed_work work;
int bm_retries;
int bm_generation;
+ __be32 bm_transaction_data[2];
bool broadcast_channel_allocated;
u32 broadcast_channel;
- u32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];
+ __be32 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);
-}
-
struct fw_attribute_group {
struct attribute_group *groups[2];
struct attribute_group group;
struct mutex client_list_mutex;
struct list_head client_list;
- u32 *config_rom;
+ 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_unit {
struct device device;
- u32 *directory;
+ const u32 *directory;
struct fw_attribute_group attribute_group;
};
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 {
void *data, size_t length,
void *callback_data);
/*
- * Important note: The callback must guarantee that either fw_send_response()
- * or kfree() is called on the @request.
+ * 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,
void *payload;
size_t payload_length;
dma_addr_t payload_bus;
+ bool payload_mapped;
u32 timestamp;
/*
int tlabel;
int timestamp;
struct list_head link;
+ struct fw_card *card;
+ struct timer_list split_timeout_timer;
struct fw_packet packet;
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; /* Set to not send packet at all. */
+ u32 tag:2;
+ u32 sy:4;
+ u32 header_length:8; /* Length of immediate header. */
+ u32 header[0];
+};
+
+#define FW_ISO_CONTEXT_TRANSMIT 0
+#define FW_ISO_CONTEXT_RECEIVE 1
+
+#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);
+
+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);
+struct fw_iso_context {
+ struct fw_card *card;
+ int type;
+ int channel;
+ int speed;
+ size_t header_size;
+ fw_iso_callback_t 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_queue(struct fw_iso_context *ctx,
+ struct fw_iso_packet *packet,
+ struct fw_iso_buffer *buffer,
+ unsigned long payload);
+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);
+
#endif /* _LINUX_FIREWIRE_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff