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path: root/drivers/usb/dwc2/core.h
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Diffstat (limited to 'drivers/usb/dwc2/core.h')
-rw-r--r--drivers/usb/dwc2/core.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index cc9c93affa14..30bab8463c96 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -393,6 +393,20 @@ enum dwc2_ep0_state {
* 0 - No
* 1 - Yes
* @hird_threshold: Value of BESL or HIRD Threshold.
+ * @ref_clk_per: Indicates in terms of pico seconds the period
+ * of ref_clk.
+ * 62500 - 16MHz
+ * 58823 - 17MHz
+ * 52083 - 19.2MHz
+ * 50000 - 20MHz
+ * 41666 - 24MHz
+ * 33333 - 30MHz (default)
+ * 25000 - 40MHz
+ * @sof_cnt_wkup_alert: Indicates in term of number of SOF's after which
+ * the controller should generate an interrupt if the
+ * device had been in L1 state until that period.
+ * This is used by SW to initiate Remote WakeUp in the
+ * controller so as to sync to the uF number from the host.
* @activate_stm_fs_transceiver: Activate internal transceiver using GGPIO
* register.
* 0 - Deactivate the transceiver (default)
@@ -416,6 +430,9 @@ enum dwc2_ep0_state {
* back to DWC2_SPEED_PARAM_HIGH while device is gone.
* 0 - No (default)
* 1 - Yes
+ * @service_interval: Enable service interval based scheduling.
+ * 0 - No
+ * 1 - Yes
*
* The following parameters may be specified when starting the module. These
* parameters define how the DWC_otg controller should be configured. A
@@ -461,6 +478,7 @@ struct dwc2_core_params {
bool lpm_clock_gating;
bool besl;
bool hird_threshold_en;
+ bool service_interval;
u8 hird_threshold;
bool activate_stm_fs_transceiver;
bool ipg_isoc_en;
@@ -468,6 +486,10 @@ struct dwc2_core_params {
u32 max_transfer_size;
u32 ahbcfg;
+ /* GREFCLK parameters */
+ u32 ref_clk_per;
+ u16 sof_cnt_wkup_alert;
+
/* Host parameters */
bool host_dma;
bool dma_desc_enable;
@@ -605,6 +627,10 @@ struct dwc2_core_params {
* FIFO sizing is enabled 16 to 32768
* Actual maximum value is autodetected and also
* the default.
+ * @service_interval_mode: For enabling service interval based scheduling in the
+ * controller.
+ * 0 - Disable
+ * 1 - Enable
*/
struct dwc2_hw_params {
unsigned op_mode:3;
@@ -635,6 +661,7 @@ struct dwc2_hw_params {
unsigned utmi_phy_data_width:2;
unsigned lpm_mode:1;
unsigned ipg_isoc_en:1;
+ unsigned service_interval_mode:1;
u32 snpsid;
u32 dev_ep_dirs;
u32 g_tx_fifo_size[MAX_EPS_CHANNELS];
@@ -1354,6 +1381,7 @@ int dwc2_hsotg_tx_fifo_count(struct dwc2_hsotg *hsotg);
int dwc2_hsotg_tx_fifo_total_depth(struct dwc2_hsotg *hsotg);
int dwc2_hsotg_tx_fifo_average_depth(struct dwc2_hsotg *hsotg);
void dwc2_gadget_init_lpm(struct dwc2_hsotg *hsotg);
+void dwc2_gadget_program_ref_clk(struct dwc2_hsotg *hsotg);
#else
static inline int dwc2_hsotg_remove(struct dwc2_hsotg *dwc2)
{ return 0; }
@@ -1388,6 +1416,7 @@ static inline int dwc2_hsotg_tx_fifo_total_depth(struct dwc2_hsotg *hsotg)
static inline int dwc2_hsotg_tx_fifo_average_depth(struct dwc2_hsotg *hsotg)
{ return 0; }
static inline void dwc2_gadget_init_lpm(struct dwc2_hsotg *hsotg) {}
+static inline void dwc2_gadget_program_ref_clk(struct dwc2_hsotg *hsotg) {}
#endif
#if IS_ENABLED(CONFIG_USB_DWC2_HOST) || IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)