584 lines
22 KiB
C
584 lines
22 KiB
C
/*
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* Freescale USB device/endpoint management registers
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*/
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#ifndef __FSL_USB2_UDC_H
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#define __FSL_USB2_UDC_H
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/* ### define USB registers here
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*/
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#define USB_MAX_CTRL_PAYLOAD 64
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#define USB_DR_SYS_OFFSET 0x400
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/* USB DR device mode registers (Little Endian) */
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struct usb_dr_device {
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/* Capability register */
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u8 res1[256];
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u16 caplength; /* Capability Register Length */
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u16 hciversion; /* Host Controller Interface Version */
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u32 hcsparams; /* Host Controller Structual Parameters */
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u32 hccparams; /* Host Controller Capability Parameters */
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u8 res2[20];
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u32 dciversion; /* Device Controller Interface Version */
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u32 dccparams; /* Device Controller Capability Parameters */
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u8 res3[24];
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/* Operation register */
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u32 usbcmd; /* USB Command Register */
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u32 usbsts; /* USB Status Register */
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u32 usbintr; /* USB Interrupt Enable Register */
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u32 frindex; /* Frame Index Register */
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u8 res4[4];
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u32 deviceaddr; /* Device Address */
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u32 endpointlistaddr; /* Endpoint List Address Register */
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u8 res5[4];
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u32 burstsize; /* Master Interface Data Burst Size Register */
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u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */
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u8 res6[24];
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u32 configflag; /* Configure Flag Register */
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u32 portsc1; /* Port 1 Status and Control Register */
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u8 res7[28];
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u32 otgsc; /* On-The-Go Status and Control */
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u32 usbmode; /* USB Mode Register */
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u32 endptsetupstat; /* Endpoint Setup Status Register */
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u32 endpointprime; /* Endpoint Initialization Register */
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u32 endptflush; /* Endpoint Flush Register */
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u32 endptstatus; /* Endpoint Status Register */
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u32 endptcomplete; /* Endpoint Complete Register */
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u32 endptctrl[6]; /* Endpoint Control Registers */
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};
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/* USB DR host mode registers (Little Endian) */
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struct usb_dr_host {
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/* Capability register */
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u8 res1[256];
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u16 caplength; /* Capability Register Length */
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u16 hciversion; /* Host Controller Interface Version */
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u32 hcsparams; /* Host Controller Structual Parameters */
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u32 hccparams; /* Host Controller Capability Parameters */
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u8 res2[20];
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u32 dciversion; /* Device Controller Interface Version */
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u32 dccparams; /* Device Controller Capability Parameters */
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u8 res3[24];
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/* Operation register */
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u32 usbcmd; /* USB Command Register */
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u32 usbsts; /* USB Status Register */
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u32 usbintr; /* USB Interrupt Enable Register */
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u32 frindex; /* Frame Index Register */
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u8 res4[4];
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u32 periodiclistbase; /* Periodic Frame List Base Address Register */
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u32 asynclistaddr; /* Current Asynchronous List Address Register */
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u8 res5[4];
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u32 burstsize; /* Master Interface Data Burst Size Register */
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u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */
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u8 res6[24];
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u32 configflag; /* Configure Flag Register */
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u32 portsc1; /* Port 1 Status and Control Register */
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u8 res7[28];
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u32 otgsc; /* On-The-Go Status and Control */
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u32 usbmode; /* USB Mode Register */
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u32 endptsetupstat; /* Endpoint Setup Status Register */
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u32 endpointprime; /* Endpoint Initialization Register */
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u32 endptflush; /* Endpoint Flush Register */
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u32 endptstatus; /* Endpoint Status Register */
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u32 endptcomplete; /* Endpoint Complete Register */
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u32 endptctrl[6]; /* Endpoint Control Registers */
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};
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/* non-EHCI USB system interface registers (Big Endian) */
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struct usb_sys_interface {
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u32 snoop1;
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u32 snoop2;
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u32 age_cnt_thresh; /* Age Count Threshold Register */
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u32 pri_ctrl; /* Priority Control Register */
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u32 si_ctrl; /* System Interface Control Register */
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u8 res[236];
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u32 control; /* General Purpose Control Register */
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};
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/* ep0 transfer state */
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#define WAIT_FOR_SETUP 0
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#define DATA_STATE_XMIT 1
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#define DATA_STATE_NEED_ZLP 2
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#define WAIT_FOR_OUT_STATUS 3
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#define DATA_STATE_RECV 4
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/* Device Controller Capability Parameter register */
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#define DCCPARAMS_DC 0x00000080
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#define DCCPARAMS_DEN_MASK 0x0000001f
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/* Frame Index Register Bit Masks */
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#define USB_FRINDEX_MASKS 0x3fff
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/* USB CMD Register Bit Masks */
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#define USB_CMD_RUN_STOP 0x00000001
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#define USB_CMD_CTRL_RESET 0x00000002
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#define USB_CMD_PERIODIC_SCHEDULE_EN 0x00000010
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#define USB_CMD_ASYNC_SCHEDULE_EN 0x00000020
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#define USB_CMD_INT_AA_DOORBELL 0x00000040
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#define USB_CMD_ASP 0x00000300
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#define USB_CMD_ASYNC_SCH_PARK_EN 0x00000800
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#define USB_CMD_SUTW 0x00002000
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#define USB_CMD_ATDTW 0x00004000
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#define USB_CMD_ITC 0x00FF0000
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/* bit 15,3,2 are frame list size */
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#define USB_CMD_FRAME_SIZE_1024 0x00000000
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#define USB_CMD_FRAME_SIZE_512 0x00000004
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#define USB_CMD_FRAME_SIZE_256 0x00000008
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#define USB_CMD_FRAME_SIZE_128 0x0000000C
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#define USB_CMD_FRAME_SIZE_64 0x00008000
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#define USB_CMD_FRAME_SIZE_32 0x00008004
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#define USB_CMD_FRAME_SIZE_16 0x00008008
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#define USB_CMD_FRAME_SIZE_8 0x0000800C
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/* bit 9-8 are async schedule park mode count */
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#define USB_CMD_ASP_00 0x00000000
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#define USB_CMD_ASP_01 0x00000100
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#define USB_CMD_ASP_10 0x00000200
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#define USB_CMD_ASP_11 0x00000300
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#define USB_CMD_ASP_BIT_POS 8
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/* bit 23-16 are interrupt threshold control */
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#define USB_CMD_ITC_NO_THRESHOLD 0x00000000
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#define USB_CMD_ITC_1_MICRO_FRM 0x00010000
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#define USB_CMD_ITC_2_MICRO_FRM 0x00020000
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#define USB_CMD_ITC_4_MICRO_FRM 0x00040000
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#define USB_CMD_ITC_8_MICRO_FRM 0x00080000
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#define USB_CMD_ITC_16_MICRO_FRM 0x00100000
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#define USB_CMD_ITC_32_MICRO_FRM 0x00200000
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#define USB_CMD_ITC_64_MICRO_FRM 0x00400000
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#define USB_CMD_ITC_BIT_POS 16
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/* USB STS Register Bit Masks */
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#define USB_STS_INT 0x00000001
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#define USB_STS_ERR 0x00000002
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#define USB_STS_PORT_CHANGE 0x00000004
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#define USB_STS_FRM_LST_ROLL 0x00000008
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#define USB_STS_SYS_ERR 0x00000010
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#define USB_STS_IAA 0x00000020
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#define USB_STS_RESET 0x00000040
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#define USB_STS_SOF 0x00000080
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#define USB_STS_SUSPEND 0x00000100
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#define USB_STS_HC_HALTED 0x00001000
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#define USB_STS_RCL 0x00002000
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#define USB_STS_PERIODIC_SCHEDULE 0x00004000
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#define USB_STS_ASYNC_SCHEDULE 0x00008000
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/* USB INTR Register Bit Masks */
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#define USB_INTR_INT_EN 0x00000001
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#define USB_INTR_ERR_INT_EN 0x00000002
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#define USB_INTR_PTC_DETECT_EN 0x00000004
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#define USB_INTR_FRM_LST_ROLL_EN 0x00000008
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#define USB_INTR_SYS_ERR_EN 0x00000010
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#define USB_INTR_ASYN_ADV_EN 0x00000020
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#define USB_INTR_RESET_EN 0x00000040
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#define USB_INTR_SOF_EN 0x00000080
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#define USB_INTR_DEVICE_SUSPEND 0x00000100
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/* Device Address bit masks */
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#define USB_DEVICE_ADDRESS_MASK 0xFE000000
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#define USB_DEVICE_ADDRESS_BIT_POS 25
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/* endpoint list address bit masks */
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#define USB_EP_LIST_ADDRESS_MASK 0xfffff800
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/* PORTSCX Register Bit Masks */
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#define PORTSCX_CURRENT_CONNECT_STATUS 0x00000001
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#define PORTSCX_CONNECT_STATUS_CHANGE 0x00000002
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#define PORTSCX_PORT_ENABLE 0x00000004
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#define PORTSCX_PORT_EN_DIS_CHANGE 0x00000008
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#define PORTSCX_OVER_CURRENT_ACT 0x00000010
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#define PORTSCX_OVER_CURRENT_CHG 0x00000020
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#define PORTSCX_PORT_FORCE_RESUME 0x00000040
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#define PORTSCX_PORT_SUSPEND 0x00000080
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#define PORTSCX_PORT_RESET 0x00000100
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#define PORTSCX_LINE_STATUS_BITS 0x00000C00
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#define PORTSCX_PORT_POWER 0x00001000
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#define PORTSCX_PORT_INDICTOR_CTRL 0x0000C000
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#define PORTSCX_PORT_TEST_CTRL 0x000F0000
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#define PORTSCX_WAKE_ON_CONNECT_EN 0x00100000
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#define PORTSCX_WAKE_ON_CONNECT_DIS 0x00200000
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#define PORTSCX_WAKE_ON_OVER_CURRENT 0x00400000
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#define PORTSCX_PHY_LOW_POWER_SPD 0x00800000
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#define PORTSCX_PORT_FORCE_FULL_SPEED 0x01000000
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#define PORTSCX_PORT_SPEED_MASK 0x0C000000
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#define PORTSCX_PORT_WIDTH 0x10000000
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#define PORTSCX_PHY_TYPE_SEL 0xC0000000
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/* bit 11-10 are line status */
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#define PORTSCX_LINE_STATUS_SE0 0x00000000
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#define PORTSCX_LINE_STATUS_JSTATE 0x00000400
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#define PORTSCX_LINE_STATUS_KSTATE 0x00000800
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#define PORTSCX_LINE_STATUS_UNDEF 0x00000C00
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#define PORTSCX_LINE_STATUS_BIT_POS 10
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/* bit 15-14 are port indicator control */
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#define PORTSCX_PIC_OFF 0x00000000
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#define PORTSCX_PIC_AMBER 0x00004000
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#define PORTSCX_PIC_GREEN 0x00008000
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#define PORTSCX_PIC_UNDEF 0x0000C000
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#define PORTSCX_PIC_BIT_POS 14
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/* bit 19-16 are port test control */
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#define PORTSCX_PTC_DISABLE 0x00000000
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#define PORTSCX_PTC_JSTATE 0x00010000
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#define PORTSCX_PTC_KSTATE 0x00020000
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#define PORTSCX_PTC_SEQNAK 0x00030000
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#define PORTSCX_PTC_PACKET 0x00040000
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#define PORTSCX_PTC_FORCE_EN 0x00050000
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#define PORTSCX_PTC_BIT_POS 16
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/* bit 27-26 are port speed */
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#define PORTSCX_PORT_SPEED_FULL 0x00000000
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#define PORTSCX_PORT_SPEED_LOW 0x04000000
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#define PORTSCX_PORT_SPEED_HIGH 0x08000000
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#define PORTSCX_PORT_SPEED_UNDEF 0x0C000000
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#define PORTSCX_SPEED_BIT_POS 26
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/* bit 28 is parallel transceiver width for UTMI interface */
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#define PORTSCX_PTW 0x10000000
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#define PORTSCX_PTW_8BIT 0x00000000
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#define PORTSCX_PTW_16BIT 0x10000000
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/* bit 31-30 are port transceiver select */
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#define PORTSCX_PTS_UTMI 0x00000000
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#define PORTSCX_PTS_ULPI 0x80000000
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#define PORTSCX_PTS_FSLS 0xC0000000
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#define PORTSCX_PTS_BIT_POS 30
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/* otgsc Register Bit Masks */
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#define OTGSC_CTRL_VUSB_DISCHARGE 0x00000001
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#define OTGSC_CTRL_VUSB_CHARGE 0x00000002
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#define OTGSC_CTRL_OTG_TERM 0x00000008
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#define OTGSC_CTRL_DATA_PULSING 0x00000010
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#define OTGSC_STS_USB_ID 0x00000100
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#define OTGSC_STS_A_VBUS_VALID 0x00000200
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#define OTGSC_STS_A_SESSION_VALID 0x00000400
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#define OTGSC_STS_B_SESSION_VALID 0x00000800
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#define OTGSC_STS_B_SESSION_END 0x00001000
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#define OTGSC_STS_1MS_TOGGLE 0x00002000
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#define OTGSC_STS_DATA_PULSING 0x00004000
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#define OTGSC_INTSTS_USB_ID 0x00010000
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#define OTGSC_INTSTS_A_VBUS_VALID 0x00020000
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#define OTGSC_INTSTS_A_SESSION_VALID 0x00040000
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#define OTGSC_INTSTS_B_SESSION_VALID 0x00080000
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#define OTGSC_INTSTS_B_SESSION_END 0x00100000
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#define OTGSC_INTSTS_1MS 0x00200000
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#define OTGSC_INTSTS_DATA_PULSING 0x00400000
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#define OTGSC_INTR_USB_ID 0x01000000
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#define OTGSC_INTR_A_VBUS_VALID 0x02000000
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#define OTGSC_INTR_A_SESSION_VALID 0x04000000
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#define OTGSC_INTR_B_SESSION_VALID 0x08000000
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#define OTGSC_INTR_B_SESSION_END 0x10000000
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#define OTGSC_INTR_1MS_TIMER 0x20000000
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#define OTGSC_INTR_DATA_PULSING 0x40000000
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/* USB MODE Register Bit Masks */
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#define USB_MODE_CTRL_MODE_IDLE 0x00000000
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#define USB_MODE_CTRL_MODE_DEVICE 0x00000002
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#define USB_MODE_CTRL_MODE_HOST 0x00000003
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#define USB_MODE_CTRL_MODE_RSV 0x00000001
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#define USB_MODE_SETUP_LOCK_OFF 0x00000008
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#define USB_MODE_STREAM_DISABLE 0x00000010
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/* Endpoint Flush Register */
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#define EPFLUSH_TX_OFFSET 0x00010000
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#define EPFLUSH_RX_OFFSET 0x00000000
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/* Endpoint Setup Status bit masks */
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#define EP_SETUP_STATUS_MASK 0x0000003F
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#define EP_SETUP_STATUS_EP0 0x00000001
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/* ENDPOINTCTRLx Register Bit Masks */
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#define EPCTRL_TX_ENABLE 0x00800000
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#define EPCTRL_TX_DATA_TOGGLE_RST 0x00400000 /* Not EP0 */
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#define EPCTRL_TX_DATA_TOGGLE_INH 0x00200000 /* Not EP0 */
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#define EPCTRL_TX_TYPE 0x000C0000
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#define EPCTRL_TX_DATA_SOURCE 0x00020000 /* Not EP0 */
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#define EPCTRL_TX_EP_STALL 0x00010000
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#define EPCTRL_RX_ENABLE 0x00000080
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#define EPCTRL_RX_DATA_TOGGLE_RST 0x00000040 /* Not EP0 */
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#define EPCTRL_RX_DATA_TOGGLE_INH 0x00000020 /* Not EP0 */
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#define EPCTRL_RX_TYPE 0x0000000C
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#define EPCTRL_RX_DATA_SINK 0x00000002 /* Not EP0 */
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#define EPCTRL_RX_EP_STALL 0x00000001
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/* bit 19-18 and 3-2 are endpoint type */
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#define EPCTRL_EP_TYPE_CONTROL 0
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#define EPCTRL_EP_TYPE_ISO 1
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#define EPCTRL_EP_TYPE_BULK 2
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#define EPCTRL_EP_TYPE_INTERRUPT 3
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#define EPCTRL_TX_EP_TYPE_SHIFT 18
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#define EPCTRL_RX_EP_TYPE_SHIFT 2
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/* SNOOPn Register Bit Masks */
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#define SNOOP_ADDRESS_MASK 0xFFFFF000
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#define SNOOP_SIZE_ZERO 0x00 /* snooping disable */
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#define SNOOP_SIZE_4KB 0x0B /* 4KB snoop size */
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#define SNOOP_SIZE_8KB 0x0C
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#define SNOOP_SIZE_16KB 0x0D
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#define SNOOP_SIZE_32KB 0x0E
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#define SNOOP_SIZE_64KB 0x0F
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#define SNOOP_SIZE_128KB 0x10
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#define SNOOP_SIZE_256KB 0x11
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#define SNOOP_SIZE_512KB 0x12
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#define SNOOP_SIZE_1MB 0x13
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#define SNOOP_SIZE_2MB 0x14
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#define SNOOP_SIZE_4MB 0x15
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#define SNOOP_SIZE_8MB 0x16
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#define SNOOP_SIZE_16MB 0x17
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#define SNOOP_SIZE_32MB 0x18
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#define SNOOP_SIZE_64MB 0x19
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#define SNOOP_SIZE_128MB 0x1A
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#define SNOOP_SIZE_256MB 0x1B
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#define SNOOP_SIZE_512MB 0x1C
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#define SNOOP_SIZE_1GB 0x1D
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#define SNOOP_SIZE_2GB 0x1E /* 2GB snoop size */
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/* pri_ctrl Register Bit Masks */
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#define PRI_CTRL_PRI_LVL1 0x0000000C
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#define PRI_CTRL_PRI_LVL0 0x00000003
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/* si_ctrl Register Bit Masks */
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#define SI_CTRL_ERR_DISABLE 0x00000010
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#define SI_CTRL_IDRC_DISABLE 0x00000008
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#define SI_CTRL_RD_SAFE_EN 0x00000004
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#define SI_CTRL_RD_PREFETCH_DISABLE 0x00000002
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#define SI_CTRL_RD_PREFEFETCH_VAL 0x00000001
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/* control Register Bit Masks */
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#define USB_CTRL_IOENB 0x00000004
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#define USB_CTRL_ULPI_INT0EN 0x00000001
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/* Endpoint Queue Head data struct
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* Rem: all the variables of qh are LittleEndian Mode
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* and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr
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*/
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struct ep_queue_head {
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u32 max_pkt_length; /* Mult(31-30) , Zlt(29) , Max Pkt len
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and IOS(15) */
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u32 curr_dtd_ptr; /* Current dTD Pointer(31-5) */
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u32 next_dtd_ptr; /* Next dTD Pointer(31-5), T(0) */
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u32 size_ioc_int_sts; /* Total bytes (30-16), IOC (15),
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MultO(11-10), STS (7-0) */
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u32 buff_ptr0; /* Buffer pointer Page 0 (31-12) */
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u32 buff_ptr1; /* Buffer pointer Page 1 (31-12) */
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u32 buff_ptr2; /* Buffer pointer Page 2 (31-12) */
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u32 buff_ptr3; /* Buffer pointer Page 3 (31-12) */
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u32 buff_ptr4; /* Buffer pointer Page 4 (31-12) */
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u32 res1;
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u8 setup_buffer[8]; /* Setup data 8 bytes */
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u32 res2[4];
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};
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/* Endpoint Queue Head Bit Masks */
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#define EP_QUEUE_HEAD_MULT_POS 30
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#define EP_QUEUE_HEAD_ZLT_SEL 0x20000000
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#define EP_QUEUE_HEAD_MAX_PKT_LEN_POS 16
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#define EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info) (((ep_info)>>16)&0x07ff)
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#define EP_QUEUE_HEAD_IOS 0x00008000
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#define EP_QUEUE_HEAD_NEXT_TERMINATE 0x00000001
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#define EP_QUEUE_HEAD_IOC 0x00008000
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#define EP_QUEUE_HEAD_MULTO 0x00000C00
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#define EP_QUEUE_HEAD_STATUS_HALT 0x00000040
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#define EP_QUEUE_HEAD_STATUS_ACTIVE 0x00000080
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#define EP_QUEUE_CURRENT_OFFSET_MASK 0x00000FFF
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#define EP_QUEUE_HEAD_NEXT_POINTER_MASK 0xFFFFFFE0
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#define EP_QUEUE_FRINDEX_MASK 0x000007FF
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#define EP_MAX_LENGTH_TRANSFER 0x4000
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/* Endpoint Transfer Descriptor data struct */
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/* Rem: all the variables of td are LittleEndian Mode */
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struct ep_td_struct {
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u32 next_td_ptr; /* Next TD pointer(31-5), T(0) set
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indicate invalid */
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u32 size_ioc_sts; /* Total bytes (30-16), IOC (15),
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MultO(11-10), STS (7-0) */
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u32 buff_ptr0; /* Buffer pointer Page 0 */
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u32 buff_ptr1; /* Buffer pointer Page 1 */
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u32 buff_ptr2; /* Buffer pointer Page 2 */
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u32 buff_ptr3; /* Buffer pointer Page 3 */
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u32 buff_ptr4; /* Buffer pointer Page 4 */
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u32 res;
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/* 32 bytes */
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dma_addr_t td_dma; /* dma address for this td */
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/* virtual address of next td specified in next_td_ptr */
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struct ep_td_struct *next_td_virt;
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};
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/* Endpoint Transfer Descriptor bit Masks */
|
|
#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 0x80007300
|
|
#define DTD_ADDR_MASK 0xFFFFFFE0
|
|
#define DTD_PACKET_SIZE 0x7FFF0000
|
|
#define DTD_LENGTH_BIT_POS 16
|
|
#define DTD_ERROR_MASK (DTD_STATUS_HALTED | \
|
|
DTD_STATUS_DATA_BUFF_ERR | \
|
|
DTD_STATUS_TRANSACTION_ERR)
|
|
/* Alignment requirements; must be a power of two */
|
|
#define DTD_ALIGNMENT 0x20
|
|
#define QH_ALIGNMENT 2048
|
|
|
|
/* Controller dma boundary */
|
|
#define UDC_DMA_BOUNDARY 0x1000
|
|
|
|
/* -----------------------------------------------------------------------*/
|
|
/* ##### enum data
|
|
*/
|
|
typedef enum {
|
|
e_ULPI,
|
|
e_UTMI_8BIT,
|
|
e_UTMI_16BIT,
|
|
e_SERIAL
|
|
} e_PhyInterface;
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
/* ### driver private data
|
|
*/
|
|
struct fsl_req {
|
|
struct usb_request req;
|
|
struct list_head queue;
|
|
/* ep_queue() func will add
|
|
a request->queue into a udc_ep->queue 'd tail */
|
|
struct fsl_ep *ep;
|
|
unsigned mapped:1;
|
|
|
|
struct ep_td_struct *head, *tail; /* For dTD List
|
|
cpu endian Virtual addr */
|
|
unsigned int dtd_count;
|
|
};
|
|
|
|
#define REQ_UNCOMPLETE 1
|
|
|
|
struct fsl_ep {
|
|
struct usb_ep ep;
|
|
struct list_head queue;
|
|
struct fsl_udc *udc;
|
|
struct ep_queue_head *qh;
|
|
const struct usb_endpoint_descriptor *desc;
|
|
struct usb_gadget *gadget;
|
|
|
|
char name[14];
|
|
unsigned stopped:1;
|
|
};
|
|
|
|
#define EP_DIR_IN 1
|
|
#define EP_DIR_OUT 0
|
|
|
|
struct fsl_udc {
|
|
|
|
struct usb_gadget gadget;
|
|
struct usb_gadget_driver *driver;
|
|
struct fsl_ep *eps;
|
|
unsigned int max_ep;
|
|
unsigned int irq;
|
|
|
|
struct usb_ctrlrequest local_setup_buff;
|
|
spinlock_t lock;
|
|
struct otg_transceiver *transceiver;
|
|
unsigned softconnect:1;
|
|
unsigned vbus_active:1;
|
|
unsigned stopped:1;
|
|
unsigned remote_wakeup:1;
|
|
|
|
struct ep_queue_head *ep_qh; /* Endpoints Queue-Head */
|
|
struct fsl_req *status_req; /* ep0 status request */
|
|
struct dma_pool *td_pool; /* dma pool for DTD */
|
|
enum fsl_usb2_phy_modes phy_mode;
|
|
|
|
size_t ep_qh_size; /* size after alignment adjustment*/
|
|
dma_addr_t ep_qh_dma; /* dma address of QH */
|
|
|
|
u32 max_pipes; /* Device max pipes */
|
|
u32 max_use_endpts; /* Max endpointes to be used */
|
|
u32 bus_reset; /* Device is bus reseting */
|
|
u32 resume_state; /* USB state to resume */
|
|
u32 usb_state; /* USB current state */
|
|
u32 usb_next_state; /* USB next state */
|
|
u32 ep0_state; /* Endpoint zero state */
|
|
u32 ep0_dir; /* Endpoint zero direction: can be
|
|
USB_DIR_IN or USB_DIR_OUT */
|
|
u32 usb_sof_count; /* SOF count */
|
|
u32 errors; /* USB ERRORs count */
|
|
u8 device_address; /* Device USB address */
|
|
|
|
struct completion *done; /* to make sure release() is done */
|
|
};
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
#ifdef DEBUG
|
|
#define DBG(fmt, args...) printk(KERN_DEBUG "[%s] " fmt "\n", \
|
|
__FUNCTION__, ## args)
|
|
#else
|
|
#define DBG(fmt, args...) do{}while(0)
|
|
#endif
|
|
|
|
#if 0
|
|
static void dump_msg(const char *label, const u8 * buf, unsigned int length)
|
|
{
|
|
unsigned int start, num, i;
|
|
char line[52], *p;
|
|
|
|
if (length >= 512)
|
|
return;
|
|
DBG("%s, length %u:\n", label, length);
|
|
start = 0;
|
|
while (length > 0) {
|
|
num = min(length, 16u);
|
|
p = line;
|
|
for (i = 0; i < num; ++i) {
|
|
if (i == 8)
|
|
*p++ = ' ';
|
|
sprintf(p, " %02x", buf[i]);
|
|
p += 3;
|
|
}
|
|
*p = 0;
|
|
printk(KERN_DEBUG "%6x: %s\n", start, line);
|
|
buf += num;
|
|
start += num;
|
|
length -= num;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef VERBOSE
|
|
#define VDBG DBG
|
|
#else
|
|
#define VDBG(stuff...) do{}while(0)
|
|
#endif
|
|
|
|
#define ERR(stuff...) printk(KERN_ERR "udc: " stuff)
|
|
#define WARN(stuff...) printk(KERN_WARNING "udc: " stuff)
|
|
#define INFO(stuff...) printk(KERN_INFO "udc: " stuff)
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
/* ### Add board specific defines here
|
|
*/
|
|
|
|
/*
|
|
* ### pipe direction macro from device view
|
|
*/
|
|
#define USB_RECV 0 /* OUT EP */
|
|
#define USB_SEND 1 /* IN EP */
|
|
|
|
/*
|
|
* ### internal used help routines.
|
|
*/
|
|
#define ep_index(EP) ((EP)->desc->bEndpointAddress&0xF)
|
|
#define ep_maxpacket(EP) ((EP)->ep.maxpacket)
|
|
#define ep_is_in(EP) ( (ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
|
|
USB_DIR_IN ):((EP)->desc->bEndpointAddress \
|
|
& USB_DIR_IN)==USB_DIR_IN)
|
|
#define get_ep_by_pipe(udc, pipe) ((pipe == 1)? &udc->eps[0]: \
|
|
&udc->eps[pipe])
|
|
#define get_pipe_by_windex(windex) ((windex & USB_ENDPOINT_NUMBER_MASK) \
|
|
* 2 + ((windex & USB_DIR_IN) ? 1 : 0))
|
|
#define get_pipe_by_ep(EP) (ep_index(EP) * 2 + ep_is_in(EP))
|
|
|
|
#endif
|