};
/**
- * A pipe represents a virtual connection between Octeon and some
- * USB device. It contains a list of pending request to the device.
+ * struct cvmx_usb_pipe - a pipe represents a virtual connection between Octeon
+ * and some USB device. It contains a list of pending
+ * request to the device.
+ *
+ * @prev: Pipe before this one in the list
+ * @next: Pipe after this one in the list
+ * @head: The first pending transaction
+ * @tail: The last pending transaction
+ * @interval: For periodic pipes, the interval between packets in
+ * frames
+ * @next_tx_frame: The next frame this pipe is allowed to transmit on
+ * @flags: State flags for this pipe
+ * @device_speed: Speed of device connected to this pipe
+ * @transfer_type: Type of transaction supported by this pipe
+ * @transfer_dir: IN or OUT. Ignored for Control
+ * @multi_count: Max packet in a row for the device
+ * @max_packet: The device's maximum packet size in bytes
+ * @device_addr: USB device address at other end of pipe
+ * @endpoint_num: USB endpoint number at other end of pipe
+ * @hub_device_addr: Hub address this device is connected to
+ * @hub_port: Hub port this device is connected to
+ * @pid_toggle: This toggles between 0/1 on every packet send to track
+ * the data pid needed
+ * @channel: Hardware DMA channel for this pipe
+ * @split_sc_frame: The low order bits of the frame number the split
+ * complete should be sent on
*/
-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 */
- 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 */
- enum cvmx_usb_speed device_speed; /**< Speed of device connected to this pipe */
- enum cvmx_usb_transfer transfer_type; /**< Type of transaction supported by this pipe */
- enum cvmx_usb_direction transfer_dir; /**< IN or OUT. Ignored for Control */
- int multi_count; /**< Max packet in a row for the device */
- uint16_t max_packet; /**< The device's maximum packet size in bytes */
- uint8_t device_addr; /**< USB device address at other end of pipe */
- uint8_t endpoint_num; /**< USB endpoint number at other end of pipe */
- uint8_t hub_device_addr; /**< Hub address this device is connected to */
- uint8_t hub_port; /**< Hub port this device is connected to */
- uint8_t pid_toggle; /**< This toggles between 0/1 on every packet send to track the data pid needed */
- uint8_t channel; /**< Hardware DMA channel for this pipe */
- int8_t split_sc_frame; /**< The low order bits of the frame number the split complete should be sent on */
-} cvmx_usb_pipe_t;
+struct cvmx_usb_pipe {
+ struct cvmx_usb_pipe *prev;
+ struct cvmx_usb_pipe *next;
+ struct cvmx_usb_transaction *head;
+ struct cvmx_usb_transaction *tail;
+ uint64_t interval;
+ uint64_t next_tx_frame;
+ enum cvmx_usb_pipe_flags flags;
+ enum cvmx_usb_speed device_speed;
+ enum cvmx_usb_transfer transfer_type;
+ enum cvmx_usb_direction transfer_dir;
+ int multi_count;
+ uint16_t max_packet;
+ uint8_t device_addr;
+ uint8_t endpoint_num;
+ uint8_t hub_device_addr;
+ uint8_t hub_port;
+ uint8_t pid_toggle;
+ uint8_t channel;
+ int8_t split_sc_frame;
+};
typedef struct {
- cvmx_usb_pipe_t *head; /**< Head of the list, or NULL if empty */
- cvmx_usb_pipe_t *tail; /**< Tail if the list, or NULL if empty */
+ struct cvmx_usb_pipe *head; /**< Head of the list, or NULL if empty */
+ struct cvmx_usb_pipe *tail; /**< Tail if the list, or NULL if empty */
} cvmx_usb_pipe_list_t;
typedef struct {
int index; /**< Which USB block this is for */
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 */
+ struct cvmx_usb_pipe *pipe_for_channel[MAX_CHANNELS]; /**< Map channels to pipes */
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 */
+ struct cvmx_usb_pipe pipe[MAX_PIPES]; /**< Storage for pipes */
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 */
*
* Returns: Non zero if we need to do split transactions
*/
-static inline int __cvmx_usb_pipe_needs_split(cvmx_usb_internal_state_t *usb, cvmx_usb_pipe_t *pipe)
+static inline int __cvmx_usb_pipe_needs_split(cvmx_usb_internal_state_t *usb, struct cvmx_usb_pipe *pipe)
{
return ((pipe->device_speed != CVMX_USB_SPEED_HIGH) && (usb->usbcx_hprt.s.prtspd == CVMX_USB_SPEED_HIGH));
}
*
* Returns: PID for pipe
*/
-static inline int __cvmx_usb_get_data_pid(cvmx_usb_pipe_t *pipe)
+static inline int __cvmx_usb_get_data_pid(struct cvmx_usb_pipe *pipe)
{
if (pipe->pid_toggle)
return 2; /* Data1 */
* @list: List to add pipe to
* @pipe: Pipe to add
*/
-static inline void __cvmx_usb_append_pipe(cvmx_usb_pipe_list_t *list, cvmx_usb_pipe_t *pipe)
+static inline void __cvmx_usb_append_pipe(cvmx_usb_pipe_list_t *list, struct cvmx_usb_pipe *pipe)
{
pipe->next = NULL;
pipe->prev = list->tail;
* @list: List to remove pipe from
* @pipe: Pipe to remove
*/
-static inline void __cvmx_usb_remove_pipe(cvmx_usb_pipe_list_t *list, cvmx_usb_pipe_t *pipe)
+static inline void __cvmx_usb_remove_pipe(cvmx_usb_pipe_list_t *list, struct cvmx_usb_pipe *pipe)
{
if (list->head == pipe) {
list->head = pipe->next;
* Returns: Handle
*/
static inline int __cvmx_usb_get_pipe_handle(cvmx_usb_internal_state_t *usb,
- cvmx_usb_pipe_t *pipe)
+ struct cvmx_usb_pipe *pipe)
{
return ((unsigned long)pipe - (unsigned long)usb->pipe) / sizeof(*pipe);
}
enum cvmx_usb_direction transfer_dir, int interval,
int multi_count, int hub_device_addr, int hub_port)
{
- cvmx_usb_pipe_t *pipe;
+ struct cvmx_usb_pipe *pipe;
cvmx_usb_internal_state_t *usb = (cvmx_usb_internal_state_t *)state;
if (unlikely((device_addr < 0) || (device_addr > MAX_USB_ADDRESS)))
*/
static void __cvmx_usb_start_channel_control(cvmx_usb_internal_state_t *usb,
int channel,
- cvmx_usb_pipe_t *pipe)
+ struct cvmx_usb_pipe *pipe)
{
struct cvmx_usb_transaction *transaction = pipe->head;
cvmx_usb_control_header_t *header = cvmx_phys_to_ptr(transaction->control_header);
*/
static void __cvmx_usb_start_channel(cvmx_usb_internal_state_t *usb,
int channel,
- cvmx_usb_pipe_t *pipe)
+ struct cvmx_usb_pipe *pipe)
{
struct cvmx_usb_transaction *transaction = pipe->head;
*
* Returns: Pipe or NULL if none are ready
*/
-static cvmx_usb_pipe_t *__cvmx_usb_find_ready_pipe(cvmx_usb_internal_state_t *usb, cvmx_usb_pipe_list_t *list, uint64_t current_frame)
+static struct cvmx_usb_pipe *__cvmx_usb_find_ready_pipe(cvmx_usb_internal_state_t *usb, cvmx_usb_pipe_list_t *list, uint64_t current_frame)
{
- cvmx_usb_pipe_t *pipe = list->head;
+ struct cvmx_usb_pipe *pipe = list->head;
while (pipe) {
if (!(pipe->flags & __CVMX_USB_PIPE_FLAGS_SCHEDULED) && pipe->head &&
(pipe->next_tx_frame <= current_frame) &&
static void __cvmx_usb_schedule(cvmx_usb_internal_state_t *usb, int is_sof)
{
int channel;
- cvmx_usb_pipe_t *pipe;
+ struct cvmx_usb_pipe *pipe;
int need_sof;
enum cvmx_usb_transfer ttype;
* Completion code for the transaction, if any
*/
static void __cvmx_usb_perform_callback(cvmx_usb_internal_state_t *usb,
- cvmx_usb_pipe_t *pipe,
+ struct cvmx_usb_pipe *pipe,
struct cvmx_usb_transaction *transaction,
enum cvmx_usb_callback reason,
enum cvmx_usb_complete complete_code)
* Completion code
*/
static void __cvmx_usb_perform_complete(cvmx_usb_internal_state_t *usb,
- cvmx_usb_pipe_t *pipe,
+ struct cvmx_usb_pipe *pipe,
struct cvmx_usb_transaction *transaction,
enum cvmx_usb_complete complete_code)
{
{
int submit_handle;
struct cvmx_usb_transaction *transaction;
- cvmx_usb_pipe_t *pipe = usb->pipe + pipe_handle;
+ struct cvmx_usb_pipe *pipe = usb->pipe + pipe_handle;
if (unlikely((pipe_handle < 0) || (pipe_handle >= MAX_PIPES)))
return -EINVAL;
{
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;
+ struct cvmx_usb_pipe *pipe = usb->pipe + pipe_handle;
if (unlikely((pipe_handle < 0) || (pipe_handle >= MAX_PIPES)))
return -EINVAL;
int cvmx_usb_cancel_all(struct cvmx_usb_state *state, int pipe_handle)
{
cvmx_usb_internal_state_t *usb = (cvmx_usb_internal_state_t *)state;
- cvmx_usb_pipe_t *pipe = usb->pipe + pipe_handle;
+ struct cvmx_usb_pipe *pipe = usb->pipe + pipe_handle;
if (unlikely((pipe_handle < 0) || (pipe_handle >= MAX_PIPES)))
return -EINVAL;
int cvmx_usb_close_pipe(struct cvmx_usb_state *state, int pipe_handle)
{
cvmx_usb_internal_state_t *usb = (cvmx_usb_internal_state_t *)state;
- cvmx_usb_pipe_t *pipe = usb->pipe + pipe_handle;
+ struct cvmx_usb_pipe *pipe = usb->pipe + pipe_handle;
if (unlikely((pipe_handle < 0) || (pipe_handle >= MAX_PIPES)))
return -EINVAL;
cvmx_usbcx_hcintx_t usbc_hcint;
cvmx_usbcx_hctsizx_t usbc_hctsiz;
cvmx_usbcx_hccharx_t usbc_hcchar;
- cvmx_usb_pipe_t *pipe;
+ struct cvmx_usb_pipe *pipe;
struct cvmx_usb_transaction *transaction;
int bytes_this_transfer;
int bytes_in_last_packet;
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