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-rw-r--r--drivers/usb/gadget/udc/mv_udc.h309
1 files changed, 309 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/mv_udc.h b/drivers/usb/gadget/udc/mv_udc.h
new file mode 100644
index 000000000..b3f759c09
--- /dev/null
+++ b/drivers/usb/gadget/udc/mv_udc.h
@@ -0,0 +1,309 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
+ */
+
+#ifndef __MV_UDC_H
+#define __MV_UDC_H
+
+#define VUSBHS_MAX_PORTS 8
+
+#define DQH_ALIGNMENT 2048
+#define DTD_ALIGNMENT 64
+#define DMA_BOUNDARY 4096
+
+#define EP_DIR_IN 1
+#define EP_DIR_OUT 0
+
+#define DMA_ADDR_INVALID (~(dma_addr_t)0)
+
+#define EP0_MAX_PKT_SIZE 64
+/* ep0 transfer state */
+#define WAIT_FOR_SETUP 0
+#define DATA_STATE_XMIT 1
+#define DATA_STATE_NEED_ZLP 2
+#define WAIT_FOR_OUT_STATUS 3
+#define DATA_STATE_RECV 4
+
+#define CAPLENGTH_MASK (0xff)
+#define DCCPARAMS_DEN_MASK (0x1f)
+
+#define HCSPARAMS_PPC (0x10)
+
+/* Frame Index Register Bit Masks */
+#define USB_FRINDEX_MASKS 0x3fff
+
+/* Command Register Bit Masks */
+#define USBCMD_RUN_STOP (0x00000001)
+#define USBCMD_CTRL_RESET (0x00000002)
+#define USBCMD_SETUP_TRIPWIRE_SET (0x00002000)
+#define USBCMD_SETUP_TRIPWIRE_CLEAR (~USBCMD_SETUP_TRIPWIRE_SET)
+
+#define USBCMD_ATDTW_TRIPWIRE_SET (0x00004000)
+#define USBCMD_ATDTW_TRIPWIRE_CLEAR (~USBCMD_ATDTW_TRIPWIRE_SET)
+
+/* bit 15,3,2 are for frame list size */
+#define USBCMD_FRAME_SIZE_1024 (0x00000000) /* 000 */
+#define USBCMD_FRAME_SIZE_512 (0x00000004) /* 001 */
+#define USBCMD_FRAME_SIZE_256 (0x00000008) /* 010 */
+#define USBCMD_FRAME_SIZE_128 (0x0000000C) /* 011 */
+#define USBCMD_FRAME_SIZE_64 (0x00008000) /* 100 */
+#define USBCMD_FRAME_SIZE_32 (0x00008004) /* 101 */
+#define USBCMD_FRAME_SIZE_16 (0x00008008) /* 110 */
+#define USBCMD_FRAME_SIZE_8 (0x0000800C) /* 111 */
+
+#define EPCTRL_TX_ALL_MASK (0xFFFF0000)
+#define EPCTRL_RX_ALL_MASK (0x0000FFFF)
+
+#define EPCTRL_TX_DATA_TOGGLE_RST (0x00400000)
+#define EPCTRL_TX_EP_STALL (0x00010000)
+#define EPCTRL_RX_EP_STALL (0x00000001)
+#define EPCTRL_RX_DATA_TOGGLE_RST (0x00000040)
+#define EPCTRL_RX_ENABLE (0x00000080)
+#define EPCTRL_TX_ENABLE (0x00800000)
+#define EPCTRL_CONTROL (0x00000000)
+#define EPCTRL_ISOCHRONOUS (0x00040000)
+#define EPCTRL_BULK (0x00080000)
+#define EPCTRL_INT (0x000C0000)
+#define EPCTRL_TX_TYPE (0x000C0000)
+#define EPCTRL_RX_TYPE (0x0000000C)
+#define EPCTRL_DATA_TOGGLE_INHIBIT (0x00000020)
+#define EPCTRL_TX_EP_TYPE_SHIFT (18)
+#define EPCTRL_RX_EP_TYPE_SHIFT (2)
+
+#define EPCOMPLETE_MAX_ENDPOINTS (16)
+
+/* endpoint list address bit masks */
+#define USB_EP_LIST_ADDRESS_MASK 0xfffff800
+
+#define PORTSCX_W1C_BITS 0x2a
+#define PORTSCX_PORT_RESET 0x00000100
+#define PORTSCX_PORT_POWER 0x00001000
+#define PORTSCX_FORCE_FULL_SPEED_CONNECT 0x01000000
+#define PORTSCX_PAR_XCVR_SELECT 0xC0000000
+#define PORTSCX_PORT_FORCE_RESUME 0x00000040
+#define PORTSCX_PORT_SUSPEND 0x00000080
+#define PORTSCX_PORT_SPEED_FULL 0x00000000
+#define PORTSCX_PORT_SPEED_LOW 0x04000000
+#define PORTSCX_PORT_SPEED_HIGH 0x08000000
+#define PORTSCX_PORT_SPEED_MASK 0x0C000000
+
+/* USB MODE Register Bit Masks */
+#define USBMODE_CTRL_MODE_IDLE 0x00000000
+#define USBMODE_CTRL_MODE_DEVICE 0x00000002
+#define USBMODE_CTRL_MODE_HOST 0x00000003
+#define USBMODE_CTRL_MODE_RSV 0x00000001
+#define USBMODE_SETUP_LOCK_OFF 0x00000008
+#define USBMODE_STREAM_DISABLE 0x00000010
+
+/* USB STS Register Bit Masks */
+#define USBSTS_INT 0x00000001
+#define USBSTS_ERR 0x00000002
+#define USBSTS_PORT_CHANGE 0x00000004
+#define USBSTS_FRM_LST_ROLL 0x00000008
+#define USBSTS_SYS_ERR 0x00000010
+#define USBSTS_IAA 0x00000020
+#define USBSTS_RESET 0x00000040
+#define USBSTS_SOF 0x00000080
+#define USBSTS_SUSPEND 0x00000100
+#define USBSTS_HC_HALTED 0x00001000
+#define USBSTS_RCL 0x00002000
+#define USBSTS_PERIODIC_SCHEDULE 0x00004000
+#define USBSTS_ASYNC_SCHEDULE 0x00008000
+
+
+/* Interrupt Enable Register Bit Masks */
+#define USBINTR_INT_EN (0x00000001)
+#define USBINTR_ERR_INT_EN (0x00000002)
+#define USBINTR_PORT_CHANGE_DETECT_EN (0x00000004)
+
+#define USBINTR_ASYNC_ADV_AAE (0x00000020)
+#define USBINTR_ASYNC_ADV_AAE_ENABLE (0x00000020)
+#define USBINTR_ASYNC_ADV_AAE_DISABLE (0xFFFFFFDF)
+
+#define USBINTR_RESET_EN (0x00000040)
+#define USBINTR_SOF_UFRAME_EN (0x00000080)
+#define USBINTR_DEVICE_SUSPEND (0x00000100)
+
+#define USB_DEVICE_ADDRESS_MASK (0xfe000000)
+#define USB_DEVICE_ADDRESS_BIT_SHIFT (25)
+
+struct mv_cap_regs {
+ u32 caplength_hciversion;
+ u32 hcsparams; /* HC structural parameters */
+ u32 hccparams; /* HC Capability Parameters*/
+ u32 reserved[5];
+ u32 dciversion; /* DC version number and reserved 16 bits */
+ u32 dccparams; /* DC Capability Parameters */
+};
+
+struct mv_op_regs {
+ u32 usbcmd; /* Command register */
+ u32 usbsts; /* Status register */
+ u32 usbintr; /* Interrupt enable */
+ u32 frindex; /* Frame index */
+ u32 reserved1[1];
+ u32 deviceaddr; /* Device Address */
+ u32 eplistaddr; /* Endpoint List Address */
+ u32 ttctrl; /* HOST TT status and control */
+ u32 burstsize; /* Programmable Burst Size */
+ u32 txfilltuning; /* Host Transmit Pre-Buffer Packet Tuning */
+ u32 reserved[4];
+ u32 epnak; /* Endpoint NAK */
+ u32 epnaken; /* Endpoint NAK Enable */
+ u32 configflag; /* Configured Flag register */
+ u32 portsc[VUSBHS_MAX_PORTS]; /* Port Status/Control x, x = 1..8 */
+ u32 otgsc;
+ u32 usbmode; /* USB Host/Device mode */
+ u32 epsetupstat; /* Endpoint Setup Status */
+ u32 epprime; /* Endpoint Initialize */
+ u32 epflush; /* Endpoint De-initialize */
+ u32 epstatus; /* Endpoint Status */
+ u32 epcomplete; /* Endpoint Interrupt On Complete */
+ u32 epctrlx[16]; /* Endpoint Control, where x = 0.. 15 */
+ u32 mcr; /* Mux Control */
+ u32 isr; /* Interrupt Status */
+ u32 ier; /* Interrupt Enable */
+};
+
+struct mv_udc {
+ struct usb_gadget gadget;
+ struct usb_gadget_driver *driver;
+ spinlock_t lock;
+ struct completion *done;
+ struct platform_device *dev;
+ int irq;
+
+ struct mv_cap_regs __iomem *cap_regs;
+ struct mv_op_regs __iomem *op_regs;
+ void __iomem *phy_regs;
+ unsigned int max_eps;
+ struct mv_dqh *ep_dqh;
+ size_t ep_dqh_size;
+ dma_addr_t ep_dqh_dma;
+
+ struct dma_pool *dtd_pool;
+ struct mv_ep *eps;
+
+ struct mv_dtd *dtd_head;
+ struct mv_dtd *dtd_tail;
+ unsigned int dtd_entries;
+
+ struct mv_req *status_req;
+ struct usb_ctrlrequest local_setup_buff;
+
+ unsigned int resume_state; /* USB state to resume */
+ unsigned int usb_state; /* USB current state */
+ unsigned int ep0_state; /* Endpoint zero state */
+ unsigned int ep0_dir;
+
+ unsigned int dev_addr;
+ unsigned int test_mode;
+
+ int errors;
+ unsigned softconnect:1,
+ vbus_active:1,
+ remote_wakeup:1,
+ softconnected:1,
+ force_fs:1,
+ clock_gating:1,
+ active:1,
+ stopped:1; /* stop bit is setted */
+
+ struct work_struct vbus_work;
+ struct workqueue_struct *qwork;
+
+ struct usb_phy *transceiver;
+
+ struct mv_usb_platform_data *pdata;
+
+ /* some SOC has mutiple clock sources for USB*/
+ struct clk *clk;
+};
+
+/* endpoint data structure */
+struct mv_ep {
+ struct usb_ep ep;
+ struct mv_udc *udc;
+ struct list_head queue;
+ struct mv_dqh *dqh;
+ u32 direction;
+ char name[14];
+ unsigned stopped:1,
+ wedge:1,
+ ep_type:2,
+ ep_num:8;
+};
+
+/* request data structure */
+struct mv_req {
+ struct usb_request req;
+ struct mv_dtd *dtd, *head, *tail;
+ struct mv_ep *ep;
+ struct list_head queue;
+ unsigned int test_mode;
+ unsigned dtd_count;
+ unsigned mapped:1;
+};
+
+#define EP_QUEUE_HEAD_MULT_POS 30
+#define EP_QUEUE_HEAD_ZLT_SEL 0x20000000
+#define EP_QUEUE_HEAD_MAX_PKT_LEN_POS 16
+#define EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info) (((ep_info)>>16)&0x07ff)
+#define EP_QUEUE_HEAD_IOS 0x00008000
+#define EP_QUEUE_HEAD_NEXT_TERMINATE 0x00000001
+#define EP_QUEUE_HEAD_IOC 0x00008000
+#define EP_QUEUE_HEAD_MULTO 0x00000C00
+#define EP_QUEUE_HEAD_STATUS_HALT 0x00000040
+#define EP_QUEUE_HEAD_STATUS_ACTIVE 0x00000080
+#define EP_QUEUE_CURRENT_OFFSET_MASK 0x00000FFF
+#define EP_QUEUE_HEAD_NEXT_POINTER_MASK 0xFFFFFFE0
+#define EP_QUEUE_FRINDEX_MASK 0x000007FF
+#define EP_MAX_LENGTH_TRANSFER 0x4000
+
+struct mv_dqh {
+ /* Bits 16..26 Bit 15 is Interrupt On Setup */
+ u32 max_packet_length;
+ u32 curr_dtd_ptr; /* Current dTD Pointer */
+ u32 next_dtd_ptr; /* Next dTD Pointer */
+ /* Total bytes (16..30), IOC (15), INT (8), STS (0-7) */
+ u32 size_ioc_int_sts;
+ u32 buff_ptr0; /* Buffer pointer Page 0 (12-31) */
+ u32 buff_ptr1; /* Buffer pointer Page 1 (12-31) */
+ u32 buff_ptr2; /* Buffer pointer Page 2 (12-31) */
+ u32 buff_ptr3; /* Buffer pointer Page 3 (12-31) */
+ u32 buff_ptr4; /* Buffer pointer Page 4 (12-31) */
+ u32 reserved1;
+ /* 8 bytes of setup data that follows the Setup PID */
+ u8 setup_buffer[8];
+ u32 reserved2[4];
+};
+
+
+#define DTD_NEXT_TERMINATE (0x00000001)
+#define DTD_IOC (0x00008000)
+#define DTD_STATUS_ACTIVE (0x00000080)
+#define DTD_STATUS_HALTED (0x00000040)
+#define DTD_STATUS_DATA_BUFF_ERR (0x00000020)
+#define DTD_STATUS_TRANSACTION_ERR (0x00000008)
+#define DTD_RESERVED_FIELDS (0x00007F00)
+#define DTD_ERROR_MASK (0x68)
+#define DTD_ADDR_MASK (0xFFFFFFE0)
+#define DTD_PACKET_SIZE 0x7FFF0000
+#define DTD_LENGTH_BIT_POS (16)
+
+struct mv_dtd {
+ u32 dtd_next;
+ u32 size_ioc_sts;
+ u32 buff_ptr0; /* Buffer pointer Page 0 */
+ u32 buff_ptr1; /* Buffer pointer Page 1 */
+ u32 buff_ptr2; /* Buffer pointer Page 2 */
+ u32 buff_ptr3; /* Buffer pointer Page 3 */
+ u32 buff_ptr4; /* Buffer pointer Page 4 */
+ u32 scratch_ptr;
+ /* 32 bytes */
+ dma_addr_t td_dma; /* dma address for this td */
+ struct mv_dtd *next_dtd_virt;
+};
+
+#endif