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path: root/drivers/usb/host/xhci-mtk.h
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Diffstat (limited to 'drivers/usb/host/xhci-mtk.h')
-rw-r--r--drivers/usb/host/xhci-mtk.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h
index ace432356c41..4b1ea89f959a 100644
--- a/drivers/usb/host/xhci-mtk.h
+++ b/drivers/usb/host/xhci-mtk.h
@@ -10,18 +10,23 @@
#define _XHCI_MTK_H_
#include <linux/clk.h>
+#include <linux/hashtable.h>
#include "xhci.h"
#define BULK_CLKS_NUM 5
+/* support at most 64 ep, use 32 size hash table */
+#define SCH_EP_HASH_BITS 5
+
/**
* To simplify scheduler algorithm, set a upper limit for ESIT,
* if a synchromous ep's ESIT is larger than @XHCI_MTK_MAX_ESIT,
* round down to the limit value, that means allocating more
* bandwidth to it.
*/
-#define XHCI_MTK_MAX_ESIT 64
+#define XHCI_MTK_MAX_ESIT (1 << 6)
+#define XHCI_MTK_BW_INDEX(x) ((x) & (XHCI_MTK_MAX_ESIT - 1))
/**
* @fs_bus_bw: array to keep track of bandwidth already used for FS
@@ -36,25 +41,26 @@ struct mu3h_sch_tt {
* struct mu3h_sch_bw_info: schedule information for bandwidth domain
*
* @bus_bw: array to keep track of bandwidth already used at each uframes
- * @bw_ep_list: eps in the bandwidth domain
*
* treat a HS root port as a bandwidth domain, but treat a SS root port as
* two bandwidth domains, one for IN eps and another for OUT eps.
*/
struct mu3h_sch_bw_info {
u32 bus_bw[XHCI_MTK_MAX_ESIT];
- struct list_head bw_ep_list;
};
/**
* struct mu3h_sch_ep_info: schedule information for endpoint
*
* @esit: unit is 125us, equal to 2 << Interval field in ep-context
+ * @num_esit: number of @esit in a period
* @num_budget_microframes: number of continuous uframes
* (@repeat==1) scheduled within the interval
* @bw_cost_per_microframe: bandwidth cost per microframe
+ * @hentry: hash table entry
* @endpoint: linked into bandwidth domain which it belongs to
* @tt_endpoint: linked into mu3h_sch_tt's list which it belongs to
+ * @bw_info: bandwidth domain which this endpoint belongs
* @sch_tt: mu3h_sch_tt linked into
* @ep_type: endpoint type
* @maxpkt: max packet size of endpoint
@@ -79,10 +85,13 @@ struct mu3h_sch_bw_info {
*/
struct mu3h_sch_ep_info {
u32 esit;
+ u32 num_esit;
u32 num_budget_microframes;
u32 bw_cost_per_microframe;
struct list_head endpoint;
+ struct hlist_node hentry;
struct list_head tt_endpoint;
+ struct mu3h_sch_bw_info *bw_info;
struct mu3h_sch_tt *sch_tt;
u32 ep_type;
u32 maxpkt;
@@ -135,9 +144,11 @@ struct xhci_hcd_mtk {
struct usb_hcd *hcd;
struct mu3h_sch_bw_info *sch_array;
struct list_head bw_ep_chk_list;
+ DECLARE_HASHTABLE(sch_ep_hash, SCH_EP_HASH_BITS);
struct mu3c_ippc_regs __iomem *ippc_regs;
int num_u2_ports;
int num_u3_ports;
+ int u2p_dis_msk;
int u3p_dis_msk;
struct regulator *vusb33;
struct regulator *vbus;