1 files changed, 52 insertions, 26 deletions

diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index a0e67150a729..1cd637ef62d2 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -32,11 +32,13 @@
 #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
@@ -55,22 +57,21 @@
 #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;
 
@@ -88,9 +89,13 @@ struct fw_card {
         int current_tlabel;
         u64 tlabel_mask;
         struct list_head transaction_list;
-        struct timer_list flush_timer;
         unsigned long 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;
@@ -106,18 +111,28 @@ struct fw_card {
         bool beta_repeaters_present;
 
         int index;
-
         struct list_head link;
 
-        /* Work struct for BM duties. */
-        struct delayed_work work;
+        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;
         __be32 bm_transaction_data[2];
+        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 {
@@ -162,7 +177,7 @@ struct fw_device {
         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;
@@ -204,7 +219,7 @@ int fw_device_enable_phys_dma(struct fw_device *device);
  */
 struct fw_unit {
         struct device device;
-        u32 *directory;
+        const u32 *directory;
         struct fw_attribute_group attribute_group;
 };
 
@@ -254,7 +269,7 @@ typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode,
 typedef void (*fw_address_callback_t)(struct fw_card *card,
                                       struct fw_request *request,
                                       int tcode, int destination, int source,
-                                      int generation, int speed,
+                                      int generation,
                                       unsigned long long offset,
                                       void *data, size_t length,
                                       void *callback_data);
@@ -271,10 +286,10 @@ struct fw_packet {
         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's a
-         * negative errno: ENOMEM, ESTALE, ETIMEDOUT, ENODEV, EIO.
+         * 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.
          */
@@ -289,6 +304,8 @@ struct fw_transaction {
         int tlabel;
         int timestamp;
         struct list_head link;
+        struct fw_card *card;
+        struct timer_list split_timeout_timer;
 
         struct fw_packet packet;
 
@@ -355,17 +372,19 @@ void fw_core_remove_descriptor(struct fw_descriptor *desc);
  * 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];
+        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_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
@@ -389,24 +408,31 @@ struct fw_iso_buffer {
 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;
-        fw_iso_callback_t callback;
+        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,