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USB: add Freescale high-speed USB SOC device controller driver

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Freescale high-speed USB SOC can be found on some Freescale processors
among different architectures.  It supports both host and device functions.
This driver adds its device support for Linux USB Gadget layer.
It is tested on MPC8349 and MPC8313, but should work on other platforms
with minor tweaks.  The driver passed USBCV 1.3 compliance tests.  Note
that this driver doesn't yet include OTG support.

Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jiang Bo <tanya.jiang@freescale.com>
Signed-off-by: Bruce Schmid <duck@freescale.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Li Yang 2007-04-23 10:54:25 -07:00 committed by Greg Kroah-Hartman
parent 33f73e5619
commit b504882da5
4 changed files with 3101 additions and 0 deletions
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21
drivers/usb/gadget/Kconfig
View File

@ -68,6 +68,27 @@ choice
Many controller drivers are platform-specific; these
often need board-specific hooks.
config USB_GADGET_FSL_USB2
boolean "Freescale Highspeed USB DR Peripheral Controller"
depends on MPC834x || PPC_MPC831x
select USB_GADGET_DUALSPEED
help
Some of Freescale PowerPC processors have a High Speed
Dual-Role(DR) USB controller, which supports device mode.
The number of programmable endpoints is different through
SOC revisions.
Say "y" to link the driver statically, or "m" to build a
dynamically linked module called "fsl_usb2_udc" and force
all gadget drivers to also be dynamically linked.
config USB_FSL_USB2
tristate
depends on USB_GADGET_FSL_USB2
default USB_GADGET
select USB_GADGET_SELECTED
config USB_GADGET_NET2280
boolean "NetChip 228x"
depends on PCI

1
drivers/usb/gadget/Makefile
View File

@ -8,6 +8,7 @@ obj-$(CONFIG_USB_GOKU) += goku_udc.o
obj-$(CONFIG_USB_OMAP) += omap_udc.o
obj-$(CONFIG_USB_LH7A40X) += lh7a40x_udc.o
obj-$(CONFIG_USB_AT91) += at91_udc.o
obj-$(CONFIG_USB_FSL_USB2) += fsl_usb2_udc.o
#
# USB gadget drivers

2500
drivers/usb/gadget/fsl_usb2_udc.c Normal file
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File diff suppressed because it is too large Load Diff

579
drivers/usb/gadget/fsl_usb2_udc.h Normal file
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@ -0,0 +1,579 @@
/*
* Freescale USB device/endpoint management registers
*/
#ifndef __FSL_USB2_UDC_H
#define __FSL_USB2_UDC_H
/* ### define USB registers here
*/
#define USB_MAX_CTRL_PAYLOAD 64
#define USB_DR_SYS_OFFSET 0x400
/* USB DR device mode registers (Little Endian) */
struct usb_dr_device {
/* Capability register */
u8 res1[256];
u16 caplength; /* Capability Register Length */
u16 hciversion; /* Host Controller Interface Version */
u32 hcsparams; /* Host Controller Structual Parameters */
u32 hccparams; /* Host Controller Capability Parameters */
u8 res2[20];
u32 dciversion; /* Device Controller Interface Version */
u32 dccparams; /* Device Controller Capability Parameters */
u8 res3[24];
/* Operation register */
u32 usbcmd; /* USB Command Register */
u32 usbsts; /* USB Status Register */
u32 usbintr; /* USB Interrupt Enable Register */
u32 frindex; /* Frame Index Register */
u8 res4[4];
u32 deviceaddr; /* Device Address */
u32 endpointlistaddr; /* Endpoint List Address Register */
u8 res5[4];
u32 burstsize; /* Master Interface Data Burst Size Register */
u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */
u8 res6[24];
u32 configflag; /* Configure Flag Register */
u32 portsc1; /* Port 1 Status and Control Register */
u8 res7[28];
u32 otgsc; /* On-The-Go Status and Control */
u32 usbmode; /* USB Mode Register */
u32 endptsetupstat; /* Endpoint Setup Status Register */
u32 endpointprime; /* Endpoint Initialization Register */
u32 endptflush; /* Endpoint Flush Register */
u32 endptstatus; /* Endpoint Status Register */
u32 endptcomplete; /* Endpoint Complete Register */
u32 endptctrl[6]; /* Endpoint Control Registers */
};
/* USB DR host mode registers (Little Endian) */
struct usb_dr_host {
/* Capability register */
u8 res1[256];
u16 caplength; /* Capability Register Length */
u16 hciversion; /* Host Controller Interface Version */
u32 hcsparams; /* Host Controller Structual Parameters */
u32 hccparams; /* Host Controller Capability Parameters */
u8 res2[20];
u32 dciversion; /* Device Controller Interface Version */
u32 dccparams; /* Device Controller Capability Parameters */
u8 res3[24];
/* Operation register */
u32 usbcmd; /* USB Command Register */
u32 usbsts; /* USB Status Register */
u32 usbintr; /* USB Interrupt Enable Register */
u32 frindex; /* Frame Index Register */
u8 res4[4];
u32 periodiclistbase; /* Periodic Frame List Base Address Register */
u32 asynclistaddr; /* Current Asynchronous List Address Register */
u8 res5[4];
u32 burstsize; /* Master Interface Data Burst Size Register */
u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */
u8 res6[24];
u32 configflag; /* Configure Flag Register */
u32 portsc1; /* Port 1 Status and Control Register */
u8 res7[28];
u32 otgsc; /* On-The-Go Status and Control */
u32 usbmode; /* USB Mode Register */
u32 endptsetupstat; /* Endpoint Setup Status Register */
u32 endpointprime; /* Endpoint Initialization Register */
u32 endptflush; /* Endpoint Flush Register */
u32 endptstatus; /* Endpoint Status Register */
u32 endptcomplete; /* Endpoint Complete Register */
u32 endptctrl[6]; /* Endpoint Control Registers */
};
/* non-EHCI USB system interface registers (Big Endian) */
struct usb_sys_interface {
u32 snoop1;
u32 snoop2;
u32 age_cnt_thresh; /* Age Count Threshold Register */
u32 pri_ctrl; /* Priority Control Register */
u32 si_ctrl; /* System Interface Control Register */
u8 res[236];
u32 control; /* General Purpose Control Register */
};
/* 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
/* Frame Index Register Bit Masks */
#define USB_FRINDEX_MASKS 0x3fff
/* USB CMD Register Bit Masks */
#define USB_CMD_RUN_STOP 0x00000001
#define USB_CMD_CTRL_RESET 0x00000002
#define USB_CMD_PERIODIC_SCHEDULE_EN 0x00000010
#define USB_CMD_ASYNC_SCHEDULE_EN 0x00000020
#define USB_CMD_INT_AA_DOORBELL 0x00000040
#define USB_CMD_ASP 0x00000300
#define USB_CMD_ASYNC_SCH_PARK_EN 0x00000800
#define USB_CMD_SUTW 0x00002000
#define USB_CMD_ATDTW 0x00004000
#define USB_CMD_ITC 0x00FF0000
/* bit 15,3,2 are frame list size */
#define USB_CMD_FRAME_SIZE_1024 0x00000000
#define USB_CMD_FRAME_SIZE_512 0x00000004
#define USB_CMD_FRAME_SIZE_256 0x00000008
#define USB_CMD_FRAME_SIZE_128 0x0000000C
#define USB_CMD_FRAME_SIZE_64 0x00008000
#define USB_CMD_FRAME_SIZE_32 0x00008004
#define USB_CMD_FRAME_SIZE_16 0x00008008
#define USB_CMD_FRAME_SIZE_8 0x0000800C
/* bit 9-8 are async schedule park mode count */
#define USB_CMD_ASP_00 0x00000000
#define USB_CMD_ASP_01 0x00000100
#define USB_CMD_ASP_10 0x00000200
#define USB_CMD_ASP_11 0x00000300
#define USB_CMD_ASP_BIT_POS 8
/* bit 23-16 are interrupt threshold control */
#define USB_CMD_ITC_NO_THRESHOLD 0x00000000
#define USB_CMD_ITC_1_MICRO_FRM 0x00010000
#define USB_CMD_ITC_2_MICRO_FRM 0x00020000
#define USB_CMD_ITC_4_MICRO_FRM 0x00040000
#define USB_CMD_ITC_8_MICRO_FRM 0x00080000
#define USB_CMD_ITC_16_MICRO_FRM 0x00100000
#define USB_CMD_ITC_32_MICRO_FRM 0x00200000
#define USB_CMD_ITC_64_MICRO_FRM 0x00400000
#define USB_CMD_ITC_BIT_POS 16
/* USB STS Register Bit Masks */
#define USB_STS_INT 0x00000001
#define USB_STS_ERR 0x00000002
#define USB_STS_PORT_CHANGE 0x00000004
#define USB_STS_FRM_LST_ROLL 0x00000008
#define USB_STS_SYS_ERR 0x00000010
#define USB_STS_IAA 0x00000020
#define USB_STS_RESET 0x00000040
#define USB_STS_SOF 0x00000080
#define USB_STS_SUSPEND 0x00000100
#define USB_STS_HC_HALTED 0x00001000
#define USB_STS_RCL 0x00002000
#define USB_STS_PERIODIC_SCHEDULE 0x00004000
#define USB_STS_ASYNC_SCHEDULE 0x00008000
/* USB INTR Register Bit Masks */
#define USB_INTR_INT_EN 0x00000001
#define USB_INTR_ERR_INT_EN 0x00000002
#define USB_INTR_PTC_DETECT_EN 0x00000004
#define USB_INTR_FRM_LST_ROLL_EN 0x00000008
#define USB_INTR_SYS_ERR_EN 0x00000010
#define USB_INTR_ASYN_ADV_EN 0x00000020
#define USB_INTR_RESET_EN 0x00000040
#define USB_INTR_SOF_EN 0x00000080
#define USB_INTR_DEVICE_SUSPEND 0x00000100
/* Device Address bit masks */
#define USB_DEVICE_ADDRESS_MASK 0xFE000000
#define USB_DEVICE_ADDRESS_BIT_POS 25
/* endpoint list address bit masks */
#define USB_EP_LIST_ADDRESS_MASK 0xfffff800
/* PORTSCX Register Bit Masks */
#define PORTSCX_CURRENT_CONNECT_STATUS 0x00000001
#define PORTSCX_CONNECT_STATUS_CHANGE 0x00000002
#define PORTSCX_PORT_ENABLE 0x00000004
#define PORTSCX_PORT_EN_DIS_CHANGE 0x00000008
#define PORTSCX_OVER_CURRENT_ACT 0x00000010
#define PORTSCX_OVER_CURRENT_CHG 0x00000020
#define PORTSCX_PORT_FORCE_RESUME 0x00000040
#define PORTSCX_PORT_SUSPEND 0x00000080
#define PORTSCX_PORT_RESET 0x00000100
#define PORTSCX_LINE_STATUS_BITS 0x00000C00
#define PORTSCX_PORT_POWER 0x00001000
#define PORTSCX_PORT_INDICTOR_CTRL 0x0000C000
#define PORTSCX_PORT_TEST_CTRL 0x000F0000
#define PORTSCX_WAKE_ON_CONNECT_EN 0x00100000
#define PORTSCX_WAKE_ON_CONNECT_DIS 0x00200000
#define PORTSCX_WAKE_ON_OVER_CURRENT 0x00400000
#define PORTSCX_PHY_LOW_POWER_SPD 0x00800000
#define PORTSCX_PORT_FORCE_FULL_SPEED 0x01000000
#define PORTSCX_PORT_SPEED_MASK 0x0C000000
#define PORTSCX_PORT_WIDTH 0x10000000
#define PORTSCX_PHY_TYPE_SEL 0xC0000000
/* bit 11-10 are line status */
#define PORTSCX_LINE_STATUS_SE0 0x00000000
#define PORTSCX_LINE_STATUS_JSTATE 0x00000400
#define PORTSCX_LINE_STATUS_KSTATE 0x00000800
#define PORTSCX_LINE_STATUS_UNDEF 0x00000C00
#define PORTSCX_LINE_STATUS_BIT_POS 10
/* bit 15-14 are port indicator control */
#define PORTSCX_PIC_OFF 0x00000000
#define PORTSCX_PIC_AMBER 0x00004000
#define PORTSCX_PIC_GREEN 0x00008000
#define PORTSCX_PIC_UNDEF 0x0000C000
#define PORTSCX_PIC_BIT_POS 14
/* bit 19-16 are port test control */
#define PORTSCX_PTC_DISABLE 0x00000000
#define PORTSCX_PTC_JSTATE 0x00010000
#define PORTSCX_PTC_KSTATE 0x00020000
#define PORTSCX_PTC_SEQNAK 0x00030000
#define PORTSCX_PTC_PACKET 0x00040000
#define PORTSCX_PTC_FORCE_EN 0x00050000
#define PORTSCX_PTC_BIT_POS 16
/* bit 27-26 are port speed */
#define PORTSCX_PORT_SPEED_FULL 0x00000000
#define PORTSCX_PORT_SPEED_LOW 0x04000000
#define PORTSCX_PORT_SPEED_HIGH 0x08000000
#define PORTSCX_PORT_SPEED_UNDEF 0x0C000000
#define PORTSCX_SPEED_BIT_POS 26
/* bit 28 is parallel transceiver width for UTMI interface */
#define PORTSCX_PTW 0x10000000
#define PORTSCX_PTW_8BIT 0x00000000
#define PORTSCX_PTW_16BIT 0x10000000
/* bit 31-30 are port transceiver select */
#define PORTSCX_PTS_UTMI 0x00000000
#define PORTSCX_PTS_ULPI 0x80000000
#define PORTSCX_PTS_FSLS 0xC0000000
#define PORTSCX_PTS_BIT_POS 30
/* otgsc Register Bit Masks */
#define OTGSC_CTRL_VUSB_DISCHARGE 0x00000001
#define OTGSC_CTRL_VUSB_CHARGE 0x00000002
#define OTGSC_CTRL_OTG_TERM 0x00000008
#define OTGSC_CTRL_DATA_PULSING 0x00000010
#define OTGSC_STS_USB_ID 0x00000100
#define OTGSC_STS_A_VBUS_VALID 0x00000200
#define OTGSC_STS_A_SESSION_VALID 0x00000400
#define OTGSC_STS_B_SESSION_VALID 0x00000800
#define OTGSC_STS_B_SESSION_END 0x00001000
#define OTGSC_STS_1MS_TOGGLE 0x00002000
#define OTGSC_STS_DATA_PULSING 0x00004000
#define OTGSC_INTSTS_USB_ID 0x00010000
#define OTGSC_INTSTS_A_VBUS_VALID 0x00020000
#define OTGSC_INTSTS_A_SESSION_VALID 0x00040000
#define OTGSC_INTSTS_B_SESSION_VALID 0x00080000
#define OTGSC_INTSTS_B_SESSION_END 0x00100000
#define OTGSC_INTSTS_1MS 0x00200000
#define OTGSC_INTSTS_DATA_PULSING 0x00400000
#define OTGSC_INTR_USB_ID 0x01000000
#define OTGSC_INTR_A_VBUS_VALID 0x02000000
#define OTGSC_INTR_A_SESSION_VALID 0x04000000
#define OTGSC_INTR_B_SESSION_VALID 0x08000000
#define OTGSC_INTR_B_SESSION_END 0x10000000
#define OTGSC_INTR_1MS_TIMER 0x20000000
#define OTGSC_INTR_DATA_PULSING 0x40000000
/* USB MODE Register Bit Masks */
#define USB_MODE_CTRL_MODE_IDLE 0x00000000
#define USB_MODE_CTRL_MODE_DEVICE 0x00000002
#define USB_MODE_CTRL_MODE_HOST 0x00000003
#define USB_MODE_CTRL_MODE_RSV 0x00000001
#define USB_MODE_SETUP_LOCK_OFF 0x00000008
#define USB_MODE_STREAM_DISABLE 0x00000010
/* Endpoint Flush Register */
#define EPFLUSH_TX_OFFSET 0x00010000
#define EPFLUSH_RX_OFFSET 0x00000000
/* Endpoint Setup Status bit masks */
#define EP_SETUP_STATUS_MASK 0x0000003F
#define EP_SETUP_STATUS_EP0 0x00000001
/* ENDPOINTCTRLx Register Bit Masks */
#define EPCTRL_TX_ENABLE 0x00800000
#define EPCTRL_TX_DATA_TOGGLE_RST 0x00400000 /* Not EP0 */
#define EPCTRL_TX_DATA_TOGGLE_INH 0x00200000 /* Not EP0 */
#define EPCTRL_TX_TYPE 0x000C0000
#define EPCTRL_TX_DATA_SOURCE 0x00020000 /* Not EP0 */
#define EPCTRL_TX_EP_STALL 0x00010000
#define EPCTRL_RX_ENABLE 0x00000080
#define EPCTRL_RX_DATA_TOGGLE_RST 0x00000040 /* Not EP0 */
#define EPCTRL_RX_DATA_TOGGLE_INH 0x00000020 /* Not EP0 */
#define EPCTRL_RX_TYPE 0x0000000C
#define EPCTRL_RX_DATA_SINK 0x00000002 /* Not EP0 */
#define EPCTRL_RX_EP_STALL 0x00000001
/* bit 19-18 and 3-2 are endpoint type */
#define EPCTRL_EP_TYPE_CONTROL 0
#define EPCTRL_EP_TYPE_ISO 1
#define EPCTRL_EP_TYPE_BULK 2
#define EPCTRL_EP_TYPE_INTERRUPT 3
#define EPCTRL_TX_EP_TYPE_SHIFT 18
#define EPCTRL_RX_EP_TYPE_SHIFT 2
/* SNOOPn Register Bit Masks */
#define SNOOP_ADDRESS_MASK 0xFFFFF000
#define SNOOP_SIZE_ZERO 0x00 /* snooping disable */
#define SNOOP_SIZE_4KB 0x0B /* 4KB snoop size */
#define SNOOP_SIZE_8KB 0x0C
#define SNOOP_SIZE_16KB 0x0D
#define SNOOP_SIZE_32KB 0x0E
#define SNOOP_SIZE_64KB 0x0F
#define SNOOP_SIZE_128KB 0x10
#define SNOOP_SIZE_256KB 0x11
#define SNOOP_SIZE_512KB 0x12
#define SNOOP_SIZE_1MB 0x13
#define SNOOP_SIZE_2MB 0x14
#define SNOOP_SIZE_4MB 0x15
#define SNOOP_SIZE_8MB 0x16
#define SNOOP_SIZE_16MB 0x17
#define SNOOP_SIZE_32MB 0x18
#define SNOOP_SIZE_64MB 0x19
#define SNOOP_SIZE_128MB 0x1A
#define SNOOP_SIZE_256MB 0x1B
#define SNOOP_SIZE_512MB 0x1C
#define SNOOP_SIZE_1GB 0x1D
#define SNOOP_SIZE_2GB 0x1E /* 2GB snoop size */
/* pri_ctrl Register Bit Masks */
#define PRI_CTRL_PRI_LVL1 0x0000000C
#define PRI_CTRL_PRI_LVL0 0x00000003
/* si_ctrl Register Bit Masks */
#define SI_CTRL_ERR_DISABLE 0x00000010
#define SI_CTRL_IDRC_DISABLE 0x00000008
#define SI_CTRL_RD_SAFE_EN 0x00000004
#define SI_CTRL_RD_PREFETCH_DISABLE 0x00000002
#define SI_CTRL_RD_PREFEFETCH_VAL 0x00000001
/* control Register Bit Masks */
#define USB_CTRL_IOENB 0x00000004
#define USB_CTRL_ULPI_INT0EN 0x00000001
/* Endpoint Queue Head data struct
* Rem: all the variables of qh are LittleEndian Mode
* and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr
*/
struct ep_queue_head {
u32 max_pkt_length; /* Mult(31-30) , Zlt(29) , Max Pkt len
and IOS(15) */
u32 curr_dtd_ptr; /* Current dTD Pointer(31-5) */
u32 next_dtd_ptr; /* Next dTD Pointer(31-5), T(0) */
u32 size_ioc_int_sts; /* Total bytes (30-16), IOC (15),
MultO(11-10), STS (7-0) */
u32 buff_ptr0; /* Buffer pointer Page 0 (31-12) */
u32 buff_ptr1; /* Buffer pointer Page 1 (31-12) */
u32 buff_ptr2; /* Buffer pointer Page 2 (31-12) */
u32 buff_ptr3; /* Buffer pointer Page 3 (31-12) */
u32 buff_ptr4; /* Buffer pointer Page 4 (31-12) */
u32 res1;
u8 setup_buffer[8]; /* Setup data 8 bytes */
u32 res2[4];
};
/* Endpoint Queue Head Bit Masks */
#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
/* Endpoint Transfer Descriptor data struct */
/* Rem: all the variables of td are LittleEndian Mode */
struct ep_td_struct {
u32 next_td_ptr; /* Next TD pointer(31-5), T(0) set
indicate invalid */
u32 size_ioc_sts; /* Total bytes (30-16), IOC (15),
MultO(11-10), STS (7-0) */
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 res;
/* 32 bytes */
dma_addr_t td_dma; /* dma address for this td */
/* virtual address of next td specified in next_td_ptr */
struct ep_td_struct *next_td_virt;
};
/* 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