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path: root/drivers/usb/cdns3/gadget.h
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Diffstat (limited to 'drivers/usb/cdns3/gadget.h')
-rw-r--r--drivers/usb/cdns3/gadget.h26
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/usb/cdns3/gadget.h b/drivers/usb/cdns3/gadget.h
index bc4024041ef2..f003a7801872 100644
--- a/drivers/usb/cdns3/gadget.h
+++ b/drivers/usb/cdns3/gadget.h
@@ -599,6 +599,7 @@ struct cdns3_usb_regs {
#define EP_CMD_TDL_MASK GENMASK(15, 9)
#define EP_CMD_TDL_SET(p) (((p) << 9) & EP_CMD_TDL_MASK)
#define EP_CMD_TDL_GET(p) (((p) & EP_CMD_TDL_MASK) >> 9)
+#define EP_CMD_TDL_MAX (EP_CMD_TDL_MASK >> 9)
/* ERDY Stream ID value (used in SS mode). */
#define EP_CMD_ERDY_SID_MASK GENMASK(31, 16)
@@ -969,10 +970,18 @@ struct cdns3_usb_regs {
#define ISO_MAX_INTERVAL 10
+#define MAX_TRB_LENGTH BIT(16)
+
#if TRBS_PER_SEGMENT < 2
#error "Incorrect TRBS_PER_SEGMENT. Minimal Transfer Ring size is 2."
#endif
+#define TRBS_PER_STREAM_SEGMENT 2
+
+#if TRBS_PER_STREAM_SEGMENT < 2
+#error "Incorrect TRBS_PER_STREAMS_SEGMENT. Minimal Transfer Ring size is 2."
+#endif
+
/*
*Only for ISOC endpoints - maximum number of TRBs is calculated as
* pow(2, bInterval-1) * number of usb requests. It is limitation made by
@@ -1000,6 +1009,7 @@ struct cdns3_trb {
#define TRB_SIZE (sizeof(struct cdns3_trb))
#define TRB_RING_SIZE (TRB_SIZE * TRBS_PER_SEGMENT)
+#define TRB_STREAM_RING_SIZE (TRB_SIZE * TRBS_PER_STREAM_SEGMENT)
#define TRB_ISO_RING_SIZE (TRB_SIZE * TRBS_PER_ISOC_SEGMENT)
#define TRB_CTRL_RING_SIZE (TRB_SIZE * 2)
@@ -1078,7 +1088,7 @@ struct cdns3_trb {
#define CDNS3_ENDPOINTS_MAX_COUNT 32
#define CDNS3_EP_ZLP_BUF_SIZE 1024
-#define CDNS3_EP_BUF_SIZE 2 /* KB */
+#define CDNS3_EP_BUF_SIZE 4 /* KB */
#define CDNS3_EP_ISO_HS_MULT 3
#define CDNS3_EP_ISO_SS_BURST 3
#define CDNS3_MAX_NUM_DESCMISS_BUF 32
@@ -1109,6 +1119,7 @@ struct cdns3_device;
* @interval: interval between packets used for ISOC endpoint.
* @free_trbs: number of free TRBs in transfer ring
* @num_trbs: number of all TRBs in transfer ring
+ * @alloc_ring_size: size of the allocated TRB ring
* @pcs: producer cycle state
* @ccs: consumer cycle state
* @enqueue: enqueue index in transfer ring
@@ -1142,6 +1153,7 @@ struct cdns3_endpoint {
#define EP_QUIRK_END_TRANSFER BIT(11)
#define EP_QUIRK_EXTRA_BUF_DET BIT(12)
#define EP_QUIRK_EXTRA_BUF_EN BIT(13)
+#define EP_TDLCHK_EN BIT(15)
u32 flags;
struct cdns3_request *descmis_req;
@@ -1153,6 +1165,7 @@ struct cdns3_endpoint {
int free_trbs;
int num_trbs;
+ int alloc_ring_size;
u8 pcs;
u8 ccs;
int enqueue;
@@ -1163,6 +1176,14 @@ struct cdns3_endpoint {
struct cdns3_trb *wa1_trb;
unsigned int wa1_trb_index;
unsigned int wa1_cycle_bit:1;
+
+ /* Stream related */
+ unsigned int use_streams:1;
+ unsigned int prime_flag:1;
+ u32 ep_sts_pending;
+ u16 last_stream_id;
+ u16 pending_tdl;
+ unsigned int stream_sg_idx;
};
/**
@@ -1290,6 +1311,7 @@ struct cdns3_device {
int hw_configured_flag:1;
int wake_up_flag:1;
unsigned status_completion_no_call:1;
+ unsigned using_streams:1;
int out_mem_is_allocated;
struct work_struct pending_status_wq;
@@ -1310,8 +1332,6 @@ void cdns3_set_hw_configuration(struct cdns3_device *priv_dev);
void cdns3_select_ep(struct cdns3_device *priv_dev, u32 ep);
void cdns3_allow_enable_l1(struct cdns3_device *priv_dev, int enable);
struct usb_request *cdns3_next_request(struct list_head *list);
-int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
- struct usb_request *request);
void cdns3_rearm_transfer(struct cdns3_endpoint *priv_ep, u8 rearm);
int cdns3_allocate_trb_pool(struct cdns3_endpoint *priv_ep);
u8 cdns3_ep_addr_to_index(u8 ep_addr);