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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.h49
1 files changed, 45 insertions, 4 deletions
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 7161344c6522..da5ac4a4595b 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -38,6 +38,7 @@
#ifndef __DWC2_CORE_H__
#define __DWC2_CORE_H__
+#include <linux/acpi.h>
#include <linux/phy/phy.h>
#include <linux/regulator/consumer.h>
#include <linux/usb/gadget.h>
@@ -426,7 +427,7 @@ enum dwc2_ep0_state {
* @g_tx_fifo_size: An array of TX fifo sizes in dedicated fifo
* mode. Each value corresponds to one EP
* starting from EP1 (max 15 values). Sizes are
- * in DWORDS with possible values from from
+ * in DWORDS with possible values from
* 16-32768 (default: 256, 256, 256, 256, 768,
* 768, 768, 768, 0, 0, 0, 0, 0, 0, 0).
* @change_speed_quirk: Change speed configuration to DWC2_SPEED_PARAM_FULL
@@ -865,6 +866,8 @@ struct dwc2_hregs_backup {
* @gadget_enabled: Peripheral mode sub-driver initialization indicator.
* @ll_hw_enabled: Status of low-level hardware resources.
* @hibernated: True if core is hibernated
+ * @in_ppd: True if core is partial power down mode.
+ * @bus_suspended: True if bus is suspended
* @reset_phy_on_wake: Quirk saying that we should assert PHY reset on a
* remote wakeup.
* @phy_off_for_suspend: Status of whether we turned the PHY off at suspend.
@@ -1022,7 +1025,6 @@ struct dwc2_hregs_backup {
* a pointer to an array of register definitions, the
* array size and the base address where the register bank
* is to be found.
- * @bus_suspended: True if bus is suspended
* @last_frame_num: Number of last frame. Range from 0 to 32768
* @frame_num_array: Used only if CONFIG_USB_DWC2_TRACK_MISSED_SOFS is
* defined, for missed SOFs tracking. Array holds that
@@ -1060,6 +1062,8 @@ struct dwc2_hsotg {
unsigned int gadget_enabled:1;
unsigned int ll_hw_enabled:1;
unsigned int hibernated:1;
+ unsigned int in_ppd:1;
+ bool bus_suspended;
unsigned int reset_phy_on_wake:1;
unsigned int need_phy_for_wake:1;
unsigned int phy_off_for_suspend:1;
@@ -1143,7 +1147,6 @@ struct dwc2_hsotg {
unsigned long hs_periodic_bitmap[
DIV_ROUND_UP(DWC2_HS_SCHEDULE_US, BITS_PER_LONG)];
u16 periodic_qh_count;
- bool bus_suspended;
bool new_connection;
u16 last_frame_num;
@@ -1301,7 +1304,8 @@ static inline bool dwc2_is_hs_iot(struct dwc2_hsotg *hsotg)
*/
int dwc2_core_reset(struct dwc2_hsotg *hsotg, bool skip_wait);
int dwc2_enter_partial_power_down(struct dwc2_hsotg *hsotg);
-int dwc2_exit_partial_power_down(struct dwc2_hsotg *hsotg, bool restore);
+int dwc2_exit_partial_power_down(struct dwc2_hsotg *hsotg, int rem_wakeup,
+ bool restore);
int dwc2_enter_hibernation(struct dwc2_hsotg *hsotg, int is_host);
int dwc2_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
int reset, int is_host);
@@ -1339,6 +1343,7 @@ irqreturn_t dwc2_handle_common_intr(int irq, void *dev);
/* The device ID match table */
extern const struct of_device_id dwc2_of_match_table[];
+extern const struct acpi_device_id dwc2_acpi_match[];
int dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg);
int dwc2_lowlevel_hw_disable(struct dwc2_hsotg *hsotg);
@@ -1409,11 +1414,19 @@ int dwc2_restore_device_registers(struct dwc2_hsotg *hsotg, int remote_wakeup);
int dwc2_gadget_enter_hibernation(struct dwc2_hsotg *hsotg);
int dwc2_gadget_exit_hibernation(struct dwc2_hsotg *hsotg,
int rem_wakeup, int reset);
+int dwc2_gadget_enter_partial_power_down(struct dwc2_hsotg *hsotg);
+int dwc2_gadget_exit_partial_power_down(struct dwc2_hsotg *hsotg,
+ bool restore);
+void dwc2_gadget_enter_clock_gating(struct dwc2_hsotg *hsotg);
+void dwc2_gadget_exit_clock_gating(struct dwc2_hsotg *hsotg,
+ int rem_wakeup);
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);
+static inline void dwc2_clear_fifo_map(struct dwc2_hsotg *hsotg)
+{ hsotg->fifo_map = 0; }
#else
static inline int dwc2_hsotg_remove(struct dwc2_hsotg *dwc2)
{ return 0; }
@@ -1442,6 +1455,14 @@ static inline int dwc2_gadget_enter_hibernation(struct dwc2_hsotg *hsotg)
static inline int dwc2_gadget_exit_hibernation(struct dwc2_hsotg *hsotg,
int rem_wakeup, int reset)
{ return 0; }
+static inline int dwc2_gadget_enter_partial_power_down(struct dwc2_hsotg *hsotg)
+{ return 0; }
+static inline int dwc2_gadget_exit_partial_power_down(struct dwc2_hsotg *hsotg,
+ bool restore)
+{ return 0; }
+static inline void dwc2_gadget_enter_clock_gating(struct dwc2_hsotg *hsotg) {}
+static inline void dwc2_gadget_exit_clock_gating(struct dwc2_hsotg *hsotg,
+ int rem_wakeup) {}
static inline int dwc2_hsotg_tx_fifo_count(struct dwc2_hsotg *hsotg)
{ return 0; }
static inline int dwc2_hsotg_tx_fifo_total_depth(struct dwc2_hsotg *hsotg)
@@ -1450,6 +1471,7 @@ 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) {}
+static inline void dwc2_clear_fifo_map(struct dwc2_hsotg *hsotg) {}
#endif
#if IS_ENABLED(CONFIG_USB_DWC2_HOST) || IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
@@ -1459,11 +1481,18 @@ void dwc2_hcd_connect(struct dwc2_hsotg *hsotg);
void dwc2_hcd_disconnect(struct dwc2_hsotg *hsotg, bool force);
void dwc2_hcd_start(struct dwc2_hsotg *hsotg);
int dwc2_core_init(struct dwc2_hsotg *hsotg, bool initial_setup);
+int dwc2_port_suspend(struct dwc2_hsotg *hsotg, u16 windex);
+int dwc2_port_resume(struct dwc2_hsotg *hsotg);
int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg);
int dwc2_restore_host_registers(struct dwc2_hsotg *hsotg);
int dwc2_host_enter_hibernation(struct dwc2_hsotg *hsotg);
int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg,
int rem_wakeup, int reset);
+int dwc2_host_enter_partial_power_down(struct dwc2_hsotg *hsotg);
+int dwc2_host_exit_partial_power_down(struct dwc2_hsotg *hsotg,
+ int rem_wakeup, bool restore);
+void dwc2_host_enter_clock_gating(struct dwc2_hsotg *hsotg);
+void dwc2_host_exit_clock_gating(struct dwc2_hsotg *hsotg, int rem_wakeup);
bool dwc2_host_can_poweroff_phy(struct dwc2_hsotg *dwc2);
static inline void dwc2_host_schedule_phy_reset(struct dwc2_hsotg *hsotg)
{ schedule_work(&hsotg->phy_reset_work); }
@@ -1479,6 +1508,10 @@ static inline void dwc2_hcd_start(struct dwc2_hsotg *hsotg) {}
static inline void dwc2_hcd_remove(struct dwc2_hsotg *hsotg) {}
static inline int dwc2_core_init(struct dwc2_hsotg *hsotg, bool initial_setup)
{ return 0; }
+static inline int dwc2_port_suspend(struct dwc2_hsotg *hsotg, u16 windex)
+{ return 0; }
+static inline int dwc2_port_resume(struct dwc2_hsotg *hsotg)
+{ return 0; }
static inline int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
{ return 0; }
static inline int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg)
@@ -1490,6 +1523,14 @@ static inline int dwc2_host_enter_hibernation(struct dwc2_hsotg *hsotg)
static inline int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg,
int rem_wakeup, int reset)
{ return 0; }
+static inline int dwc2_host_enter_partial_power_down(struct dwc2_hsotg *hsotg)
+{ return 0; }
+static inline int dwc2_host_exit_partial_power_down(struct dwc2_hsotg *hsotg,
+ int rem_wakeup, bool restore)
+{ return 0; }
+static inline void dwc2_host_enter_clock_gating(struct dwc2_hsotg *hsotg) {}
+static inline void dwc2_host_exit_clock_gating(struct dwc2_hsotg *hsotg,
+ int rem_wakeup) {}
static inline bool dwc2_host_can_poweroff_phy(struct dwc2_hsotg *dwc2)
{ return false; }
static inline void dwc2_host_schedule_phy_reset(struct dwc2_hsotg *hsotg) {}
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-05 00:31:16 +0300