diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/usb/gadget/bcm_udc_otg_phy.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/s3c_udc_otg.c | 1 | ||||
-rw-r--r-- | drivers/usb/gadget/s3c_udc_otg_phy.c | 1 | ||||
-rw-r--r-- | drivers/usb/gadget/s3c_udc_otg_priv.h | 102 |
4 files changed, 105 insertions, 1 deletions
diff --git a/drivers/usb/gadget/bcm_udc_otg_phy.c b/drivers/usb/gadget/bcm_udc_otg_phy.c index 936247e..c58388c 100644 --- a/drivers/usb/gadget/bcm_udc_otg_phy.c +++ b/drivers/usb/gadget/bcm_udc_otg_phy.c @@ -9,7 +9,7 @@ #include <asm/io.h> #include <asm/arch/sysmap.h> -#include <usb/s3c_udc.h> +#include "s3c_udc_otg_priv.h" #include "bcm_udc_otg.h" void otg_phy_init(struct dwc2_udc *dev) diff --git a/drivers/usb/gadget/s3c_udc_otg.c b/drivers/usb/gadget/s3c_udc_otg.c index 00d03f3..99c6a1b 100644 --- a/drivers/usb/gadget/s3c_udc_otg.c +++ b/drivers/usb/gadget/s3c_udc_otg.c @@ -33,6 +33,7 @@ #include <asm/mach-types.h> #include "s3c_udc_otg_regs.h" +#include "s3c_udc_otg_priv.h" #include <usb/lin_gadget_compat.h> /***********************************************************/ diff --git a/drivers/usb/gadget/s3c_udc_otg_phy.c b/drivers/usb/gadget/s3c_udc_otg_phy.c index ffc930c..169f8e4 100644 --- a/drivers/usb/gadget/s3c_udc_otg_phy.c +++ b/drivers/usb/gadget/s3c_udc_otg_phy.c @@ -33,6 +33,7 @@ #include <asm/mach-types.h> #include "s3c_udc_otg_regs.h" +#include "s3c_udc_otg_priv.h" #include <usb/lin_gadget_compat.h> #include <usb/s3c_udc.h> diff --git a/drivers/usb/gadget/s3c_udc_otg_priv.h b/drivers/usb/gadget/s3c_udc_otg_priv.h new file mode 100644 index 0000000..567fb4e --- /dev/null +++ b/drivers/usb/gadget/s3c_udc_otg_priv.h @@ -0,0 +1,102 @@ +/* + * Samsung S3C on-chip full/high speed USB device controllers + * Copyright (C) 2005 for Samsung Electronics + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __S3C_UDC_OTG_PRIV__ +#define __S3C_UDC_OTG_PRIV__ + +#include <asm/errno.h> +#include <linux/sizes.h> +#include <linux/usb/ch9.h> +#include <linux/usb/gadget.h> +#include <linux/list.h> +#include <usb/lin_gadget_compat.h> +#include <usb/s3c_udc.h> + +/*-------------------------------------------------------------------------*/ +/* DMA bounce buffer size, 16K is enough even for mass storage */ +#define DMA_BUFFER_SIZE (16*SZ_1K) + +#define EP0_FIFO_SIZE 64 +#define EP_FIFO_SIZE 512 +#define EP_FIFO_SIZE2 1024 +/* ep0-control, ep1in-bulk, ep2out-bulk, ep3in-int */ +#define S3C_MAX_ENDPOINTS 4 +#define S3C_MAX_HW_ENDPOINTS 16 + +#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 WAIT_FOR_COMPLETE 5 +#define WAIT_FOR_OUT_COMPLETE 6 +#define WAIT_FOR_IN_COMPLETE 7 +#define WAIT_FOR_NULL_COMPLETE 8 + +#define TEST_J_SEL 0x1 +#define TEST_K_SEL 0x2 +#define TEST_SE0_NAK_SEL 0x3 +#define TEST_PACKET_SEL 0x4 +#define TEST_FORCE_ENABLE_SEL 0x5 + +/* ************************************************************************* */ +/* IO + */ + +enum ep_type { + ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt +}; + +struct s3c_ep { + struct usb_ep ep; + struct dwc2_udc *dev; + + const struct usb_endpoint_descriptor *desc; + struct list_head queue; + unsigned long pio_irqs; + int len; + void *dma_buf; + + u8 stopped; + u8 bEndpointAddress; + u8 bmAttributes; + + enum ep_type ep_type; + int fifo_num; +}; + +struct s3c_request { + struct usb_request req; + struct list_head queue; +}; + +struct dwc2_udc { + struct usb_gadget gadget; + struct usb_gadget_driver *driver; + + struct s3c_plat_otg_data *pdata; + + int ep0state; + struct s3c_ep ep[S3C_MAX_ENDPOINTS]; + + unsigned char usb_address; + + unsigned req_pending:1, req_std:1; +}; + +extern struct dwc2_udc *the_controller; + +#define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN) == USB_DIR_IN) +#define ep_index(EP) ((EP)->bEndpointAddress&0xF) +#define ep_maxpacket(EP) ((EP)->ep.maxpacket) + +extern void otg_phy_init(struct dwc2_udc *dev); +extern void otg_phy_off(struct dwc2_udc *dev); + +extern void s3c_udc_ep_set_stall(struct s3c_ep *ep); + +#endif /* __S3C_UDC_OTG_PRIV__ */ |