137 lines
3.9 KiB
C
Executable file
137 lines
3.9 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
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/*
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* xHCI host controller exynos driver
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*
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*
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*/
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#include "xhci.h"
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#include "../dwc3/dwc3-exynos.h"
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/*
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* Sometimes deadlock occurred between hub_event and remove_hcd.
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* In order to prevent it, waiting for completion of hub_event was added.
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* This is a timeout (300msec) value for the waiting.
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*/
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#define XHCI_HUB_EVENT_TIMEOUT (300)
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#define XHCI_USE_URAM_FOR_EXYNOS_AUDIO BIT_ULL(62)
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#define XHCI_L2_SUPPORT BIT_ULL(63)
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#define PORTSC_OFFSET 0x430
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#ifdef CONFIG_SND_EXYNOS_USB_AUDIO
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/* EXYNOS uram memory map */
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#if defined(CONFIG_SOC_S5E9925)
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#define EXYNOS_URAM_ABOX_EVT_RING_ADDR 0x02a00000
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#define EXYNOS_URAM_ISOC_OUT_RING_ADDR 0x02a01000
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#define EXYNOS_URAM_ISOC_IN_RING_ADDR 0x02a02000
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#define EXYNOS_URAM_DEVICE_CTX_ADDR 0x02a03000
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#define EXYNOS_URAM_DCBAA_ADDR 0x02a03880
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#define EXYNOS_URAM_ABOX_ERST_SEG_ADDR 0x02a03C80
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#elif defined(CONFIG_SOC_S5E8825)
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#define EXYNOS_URAM_ABOX_EVT_RING_ADDR 0x13300000
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#define EXYNOS_URAM_ISOC_OUT_RING_ADDR 0x13301000
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#define EXYNOS_URAM_ISOC_IN_RING_ADDR 0x13302000
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#define EXYNOS_URAM_DEVICE_CTX_ADDR 0x13303000
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#define EXYNOS_URAM_DCBAA_ADDR 0x13303880
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#define EXYNOS_URAM_ABOX_ERST_SEG_ADDR 0x13303C80
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#else
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#error
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#endif
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#endif
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enum usb_port_state {
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PORT_EMPTY = 0, /* OTG only */
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PORT_USB2, /* usb 2.0 device only */
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PORT_USB3, /* usb 3.0 device only */
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PORT_HUB, /* usb hub single */
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PORT_DP /* DP device */
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};
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struct xhci_hcd_exynos {
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#ifdef CONFIG_SND_EXYNOS_USB_AUDIO
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struct xhci_intr_reg __iomem *ir_set_audio;
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#endif
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#ifdef CONFIG_SND_EXYNOS_USB_AUDIO
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struct xhci_ring *event_ring_audio;
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struct xhci_erst erst_audio;
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dma_addr_t save_dma;
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void *save_addr;
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dma_addr_t out_dma;
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void *out_addr;
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dma_addr_t in_dma;
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void *in_addr;
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#endif
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struct device *dev;
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struct usb_hcd *hcd;
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struct usb_hcd *shared_hcd;
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struct wakeup_source *main_wakelock; /* Wakelock for HS HCD */
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struct wakeup_source *shared_wakelock; /* Wakelock for SS HCD */
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void __iomem *usb3_portsc;
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spinlock_t xhcioff_lock;
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int port_off_done;
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int port_set_delayed;
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u32 portsc_control_priority;
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enum usb_port_state port_state;
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int usb3_phy_control;
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struct usb_xhci_pre_alloc *xhci_alloc;
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struct phy *phy_usb2;
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struct phy *phy_usb3;
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/* This flag is used to check first allocation for URAM */
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bool exynos_uram_ctx_alloc;
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bool exynos_uram_isoc_out_alloc;
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bool exynos_uram_isoc_in_alloc;
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u8 *usb_audio_ctx_addr;
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u8 *usb_audio_isoc_out_addr;
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u8 *usb_audio_isoc_in_addr;
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};
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struct usb_phy_roothub {
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struct phy *phy;
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struct list_head list;
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};
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struct xhci_exynos_priv {
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const char *firmware_name;
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unsigned long long quirks;
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struct xhci_vendor_data *vendor_data;
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int (*plat_setup)(struct usb_hcd *);
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void (*plat_start)(struct usb_hcd *);
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int (*init_quirk)(struct usb_hcd *);
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int (*suspend_quirk)(struct usb_hcd *);
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int (*resume_quirk)(struct usb_hcd *);
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struct xhci_hcd_exynos *xhci_exynos;
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};
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#define hcd_to_xhci_exynos_priv(h) ((struct xhci_exynos_priv *)hcd_to_xhci(h)->priv)
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#define xhci_to_exynos_priv(x) ((struct xhci_exynos_priv *)(x)->priv)
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extern int is_otg_only;
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extern int exynos_usbdrd_phy_vendor_set(struct phy *phy, int is_enable,
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int is_cancel);
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extern int get_idle_ip_index(void);
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#ifdef CONFIG_SND_EXYNOS_USB_AUDIO
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int xhci_store_hw_info(struct usb_hcd *hcd, struct usb_device *udev);
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int xhci_set_deq(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx,
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unsigned int last_ep, struct usb_device *udev);
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#endif
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int xhci_hub_check_speed(struct usb_hcd *hcd);
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int xhci_check_usbl2_support(struct usb_hcd *hcd);
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int xhci_wake_lock(struct usb_hcd *hcd, int is_lock);
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void xhci_usb_parse_endpoint(struct usb_device *udev, struct usb_endpoint_descriptor *desc, int size);
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extern int exynos_usbdrd_phy_vendor_set(struct phy *phy, int is_enable,
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int is_cancel);
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extern int exynos_usbdrd_phy_tune(struct phy *phy, int phy_state);
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void usb_power_notify_control(int owner, int on);
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