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Diffstat (limited to 'drivers/firewire/fw-transaction.h')
-rw-r--r--drivers/firewire/fw-transaction.h138
1 files changed, 51 insertions, 87 deletions
diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 1d78e9cc5940..dfa799068f89 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -82,14 +82,14 @@
#define CSR_SPEED_MAP 0x2000
#define CSR_SPEED_MAP_END 0x3000
+#define BANDWIDTH_AVAILABLE_INITIAL 4915
#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)
-static inline void
-fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
+static inline void fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
{
u32 *dst = _dst;
__be32 *src = _src;
@@ -99,8 +99,7 @@ fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
dst[i] = be32_to_cpu(src[i]);
}
-static inline void
-fw_memcpy_to_be32(void *_dst, void *_src, size_t size)
+static inline void fw_memcpy_to_be32(void *_dst, void *_src, size_t size)
{
fw_memcpy_from_be32(_dst, _src, size);
}
@@ -125,8 +124,7 @@ typedef void (*fw_packet_callback_t)(struct fw_packet *packet,
struct fw_card *card, int status);
typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode,
- void *data,
- size_t length,
+ void *data, size_t length,
void *callback_data);
/*
@@ -141,12 +139,6 @@ typedef void (*fw_address_callback_t)(struct fw_card *card,
void *data, size_t length,
void *callback_data);
-typedef void (*fw_bus_reset_callback_t)(struct fw_card *handle,
- int node_id, int generation,
- u32 *self_ids,
- int self_id_count,
- void *callback_data);
-
struct fw_packet {
int speed;
int generation;
@@ -187,12 +179,6 @@ struct fw_transaction {
void *callback_data;
};
-static inline struct fw_packet *
-fw_packet(struct list_head *l)
-{
- return list_entry(l, struct fw_packet, link);
-}
-
struct fw_address_handler {
u64 offset;
size_t length;
@@ -201,7 +187,6 @@ struct fw_address_handler {
struct list_head link;
};
-
struct fw_address_region {
u64 start;
u64 end;
@@ -255,6 +240,7 @@ struct fw_card {
int bm_retries;
int bm_generation;
+ bool broadcast_channel_allocated;
u32 broadcast_channel;
u32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];
};
@@ -315,10 +301,8 @@ struct fw_iso_packet {
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);
+ u32 cycle, size_t header_length,
+ void *header, void *data);
/*
* An iso buffer is just a set of pages mapped for DMA in the
@@ -344,36 +328,25 @@ struct fw_iso_context {
void *callback_data;
};
-int
-fw_iso_buffer_init(struct fw_iso_buffer *buffer,
- struct fw_card *card,
- int page_count,
- enum dma_data_direction direction);
-int
-fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma);
-void
-fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card);
-
-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);
-
-void
-fw_iso_context_destroy(struct fw_iso_context *ctx);
-
-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);
+int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
+ int page_count, enum dma_data_direction direction);
+int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma);
+void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card);
+
+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);
+
+void fw_iso_resource_manage(struct fw_card *card, int generation,
+ u64 channels_mask, int *channel, int *bandwidth, bool allocate);
struct fw_card_driver {
/*
@@ -415,7 +388,7 @@ struct fw_card_driver {
struct fw_iso_context *
(*allocate_iso_context)(struct fw_card *card,
- int type, size_t header_size);
+ int type, int channel, size_t header_size);
void (*free_iso_context)(struct fw_iso_context *ctx);
int (*start_iso)(struct fw_iso_context *ctx,
@@ -429,54 +402,45 @@ struct fw_card_driver {
int (*stop_iso)(struct fw_iso_context *ctx);
};
-int
-fw_core_initiate_bus_reset(struct fw_card *card, int short_reset);
+int fw_core_initiate_bus_reset(struct fw_card *card, int short_reset);
-void
-fw_send_request(struct fw_card *card, struct fw_transaction *t,
+void fw_send_request(struct fw_card *card, struct fw_transaction *t,
int tcode, int destination_id, int generation, int speed,
- unsigned long long offset, void *data, size_t length,
+ unsigned long long offset, void *payload, 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);
-
void fw_flush_transactions(struct fw_card *card);
-
+int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
+ int generation, int speed, unsigned long long offset,
+ void *payload, size_t length);
void fw_send_phy_config(struct fw_card *card,
int node_id, int generation, int gap_count);
+static inline int fw_stream_packet_destination_id(int tag, int channel, int sy)
+{
+ return tag << 14 | channel << 8 | sy;
+}
+
/*
* Called by the topology code to inform the device code of node
* activity; found, lost, or updated nodes.
*/
-void
-fw_node_event(struct fw_card *card, struct fw_node *node, int event);
+void fw_node_event(struct fw_card *card, struct fw_node *node, int event);
/* API used by card level drivers */
-void
-fw_card_initialize(struct fw_card *card, const struct fw_card_driver *driver,
- struct device *device);
-int
-fw_card_add(struct fw_card *card,
- u32 max_receive, u32 link_speed, u64 guid);
-
-void
-fw_core_remove_card(struct fw_card *card);
-
-void
-fw_core_handle_bus_reset(struct fw_card *card,
- int node_id, int generation,
- int self_id_count, u32 *self_ids);
-void
-fw_core_handle_request(struct fw_card *card, struct fw_packet *request);
-
-void
-fw_core_handle_response(struct fw_card *card, struct fw_packet *packet);
+void fw_card_initialize(struct fw_card *card,
+ const struct fw_card_driver *driver, struct device *device);
+int fw_card_add(struct fw_card *card,
+ u32 max_receive, u32 link_speed, u64 guid);
+void fw_core_remove_card(struct fw_card *card);
+void fw_core_handle_bus_reset(struct fw_card *card, int node_id,
+ int generation, int self_id_count, u32 *self_ids);
+void fw_core_handle_request(struct fw_card *card, struct fw_packet *request);
+void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet);
+
+extern int fw_irm_set_broadcast_channel_register(struct device *dev,
+ void *data);
#endif /* __fw_transaction_h */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.