};
/**
- * This structure describes each pending USB transaction
- * regardless of type. These are linked together to form a list
- * of pending requests for a pipe.
+ * struct cvmx_usb_transaction - describes each pending USB transaction
+ * regardless of type. These are linked together
+ * to form a list of pending requests for a pipe.
+ *
+ * @prev: Transaction before this one in the pipe.
+ * @next: Transaction after this one in the pipe.
+ * @type: Type of transaction, duplicated of the pipe.
+ * @flags: State flags for this transaction.
+ * @buffer: User's physical buffer address to read/write.
+ * @buffer_length: Size of the user's buffer in bytes.
+ * @control_header: For control transactions, physical address of the 8
+ * byte standard header.
+ * @iso_start_frame: For ISO transactions, the starting frame number.
+ * @iso_number_packets: For ISO transactions, the number of packets in the
+ * request.
+ * @iso_packets: For ISO transactions, the sub packets in the request.
+ * @actual_bytes: Actual bytes transfer for this transaction.
+ * @stage: For control transactions, the current stage.
+ * @callback: User's callback function when complete.
+ * @callback_data: User's data.
*/
-typedef struct cvmx_usb_transaction {
- struct cvmx_usb_transaction *prev; /**< Transaction before this one in the pipe */
- struct cvmx_usb_transaction *next; /**< Transaction after this one in the pipe */
- enum cvmx_usb_transfer type; /**< Type of transaction, duplicated of the pipe */
- enum cvmx_usb_transaction_flags flags; /**< State flags for this transaction */
- uint64_t buffer; /**< User's physical buffer address to read/write */
- int buffer_length; /**< Size of the user's buffer in bytes */
- uint64_t control_header; /**< For control transactions, physical address of the 8 byte standard header */
- int iso_start_frame; /**< For ISO transactions, the starting frame number */
- int iso_number_packets; /**< For ISO transactions, the number of packets in the request */
- struct cvmx_usb_iso_packet *iso_packets;/**< For ISO transactions, the sub packets in the request */
+struct cvmx_usb_transaction {
+ struct cvmx_usb_transaction *prev;
+ struct cvmx_usb_transaction *next;
+ enum cvmx_usb_transfer type;
+ enum cvmx_usb_transaction_flags flags;
+ uint64_t buffer;
+ int buffer_length;
+ uint64_t control_header;
+ int iso_start_frame;
+ int iso_number_packets;
+ struct cvmx_usb_iso_packet *iso_packets;
int xfersize;
int pktcnt;
int retries;
- int actual_bytes; /**< Actual bytes transfer for this transaction */
- enum cvmx_usb_stage stage; /**< For control transactions, the current stage */
- cvmx_usb_callback_func_t callback; /**< User's callback function when complete */
- void *callback_data; /**< User's data */
-} cvmx_usb_transaction_t;
+ int actual_bytes;
+ enum cvmx_usb_stage stage;
+ cvmx_usb_callback_func_t callback;
+ void *callback_data;
+};
/**
* A pipe represents a virtual connection between Octeon and some
typedef struct cvmx_usb_pipe {
struct cvmx_usb_pipe *prev; /**< Pipe before this one in the list */
struct cvmx_usb_pipe *next; /**< Pipe after this one in the list */
- cvmx_usb_transaction_t *head; /**< The first pending transaction */
- cvmx_usb_transaction_t *tail; /**< The last pending transaction */
+ struct cvmx_usb_transaction *head; /**< The first pending transaction */
+ struct cvmx_usb_transaction *tail; /**< The last pending transaction */
uint64_t interval; /**< For periodic pipes, the interval between packets in frames */
uint64_t next_tx_frame; /**< The next frame this pipe is allowed to transmit on */
enum cvmx_usb_pipe_flags flags; /**< State flags for this pipe */
int idle_hardware_channels; /**< Bit set for every idle hardware channel */
cvmx_usbcx_hprt_t usbcx_hprt; /**< Stored port status so we don't need to read a CSR to determine splits */
cvmx_usb_pipe_t *pipe_for_channel[MAX_CHANNELS]; /**< Map channels to pipes */
- cvmx_usb_transaction_t *free_transaction_head; /**< List of free transactions head */
- cvmx_usb_transaction_t *free_transaction_tail; /**< List of free transactions tail */
+ struct cvmx_usb_transaction *free_transaction_head; /**< List of free transactions head */
+ struct cvmx_usb_transaction *free_transaction_tail; /**< List of free transactions tail */
cvmx_usb_pipe_t pipe[MAX_PIPES]; /**< Storage for pipes */
- cvmx_usb_transaction_t transaction[MAX_TRANSACTIONS]; /**< Storage for transactions */
+ struct cvmx_usb_transaction transaction[MAX_TRANSACTIONS]; /**< Storage for transactions */
cvmx_usb_callback_func_t callback[__CVMX_USB_CALLBACK_END]; /**< User global callbacks */
void *callback_data[__CVMX_USB_CALLBACK_END]; /**< User data for each callback */
int indent; /**< Used by debug output to indent functions */
cvmx_usb_pipe_list_t idle_pipes; /**< List of open pipes that have no transactions */
cvmx_usb_pipe_list_t active_pipes[4]; /**< Active pipes indexed by transfer type */
uint64_t frame_number; /**< Increments every SOF interrupt for time keeping */
- cvmx_usb_transaction_t *active_split; /**< Points to the current active split, or NULL */
+ struct cvmx_usb_transaction *active_split; /**< Points to the current active split, or NULL */
cvmx_usb_tx_fifo_t periodic;
cvmx_usb_tx_fifo_t nonperiodic;
} cvmx_usb_internal_state_t;
*
* Returns: Transaction or NULL
*/
-static inline cvmx_usb_transaction_t *__cvmx_usb_alloc_transaction(cvmx_usb_internal_state_t *usb)
+static inline struct cvmx_usb_transaction *__cvmx_usb_alloc_transaction(cvmx_usb_internal_state_t *usb)
{
- cvmx_usb_transaction_t *t;
+ struct cvmx_usb_transaction *t;
t = usb->free_transaction_head;
if (t) {
usb->free_transaction_head = t->next;
* Transaction to free
*/
static inline void __cvmx_usb_free_transaction(cvmx_usb_internal_state_t *usb,
- cvmx_usb_transaction_t *transaction)
+ struct cvmx_usb_transaction *transaction)
{
transaction->flags = 0;
transaction->prev = NULL;
* Returns: Handle
*/
static inline int __cvmx_usb_get_submit_handle(cvmx_usb_internal_state_t *usb,
- cvmx_usb_transaction_t *transaction)
+ struct cvmx_usb_transaction *transaction)
{
return ((unsigned long)transaction - (unsigned long)usb->transaction) /
sizeof(*transaction);
int channel,
cvmx_usb_pipe_t *pipe)
{
- cvmx_usb_transaction_t *transaction = pipe->head;
+ struct cvmx_usb_transaction *transaction = pipe->head;
cvmx_usb_control_header_t *header = cvmx_phys_to_ptr(transaction->control_header);
int bytes_to_transfer = transaction->buffer_length - transaction->actual_bytes;
int packets_to_transfer;
int channel,
cvmx_usb_pipe_t *pipe)
{
- cvmx_usb_transaction_t *transaction = pipe->head;
+ struct cvmx_usb_transaction *transaction = pipe->head;
/* Make sure all writes to the DMA region get flushed */
CVMX_SYNCW;
*/
static void __cvmx_usb_perform_callback(cvmx_usb_internal_state_t *usb,
cvmx_usb_pipe_t *pipe,
- cvmx_usb_transaction_t *transaction,
+ struct cvmx_usb_transaction *transaction,
enum cvmx_usb_callback reason,
enum cvmx_usb_complete complete_code)
{
*/
static void __cvmx_usb_perform_complete(cvmx_usb_internal_state_t *usb,
cvmx_usb_pipe_t *pipe,
- cvmx_usb_transaction_t *transaction,
+ struct cvmx_usb_transaction *transaction,
enum cvmx_usb_complete complete_code)
{
/* If this was a split then clear our split in progress marker */
void *user_data)
{
int submit_handle;
- cvmx_usb_transaction_t *transaction;
+ struct cvmx_usb_transaction *transaction;
cvmx_usb_pipe_t *pipe = usb->pipe + pipe_handle;
if (unlikely((pipe_handle < 0) || (pipe_handle >= MAX_PIPES)))
*/
int cvmx_usb_cancel(struct cvmx_usb_state *state, int pipe_handle, int submit_handle)
{
- cvmx_usb_transaction_t *transaction;
+ struct cvmx_usb_transaction *transaction;
cvmx_usb_internal_state_t *usb = (cvmx_usb_internal_state_t *)state;
cvmx_usb_pipe_t *pipe = usb->pipe + pipe_handle;
cvmx_usbcx_hctsizx_t usbc_hctsiz;
cvmx_usbcx_hccharx_t usbc_hcchar;
cvmx_usb_pipe_t *pipe;
- cvmx_usb_transaction_t *transaction;
+ struct cvmx_usb_transaction *transaction;
int bytes_this_transfer;
int bytes_in_last_packet;
int packets_processed;
projects / linux-beck.git / commitdiff