udc/cdns2/cdns2-gadget.h

1 /* SPDX-License-Identifier: GPL-2.0 */
3  * USBHS-DEV device controller driver header file
14 #include <linux/dma-direction.h>
22  * struct cdns2_ep0_regs - endpoint 0 related registers.
45 /* EP0CS - bitmasks. */
59 /* EP0FIFO - bitmasks. */
70  * struct cdns2_epx_base - base endpoint registers.
87 /* rxcon/txcon - endpoint control register bitmasks. */
88 /* Endpoint buffering: 0 - single buffering ... 3 - quad buffering. */
106 /* rxcs/txcs - endpoint control and status bitmasks. */
111  * struct cdns2_epx_regs - endpoint 1..15 related registers.
117  * @isoautoarm: ISO auto-arm register.
152 /* ENDPRST - bitmasks. */
165  * struct cdns2_interrupt_regs - USB interrupt related registers.
188 /* EXTIRQ and EXTIEN - bitmasks. */
196 /* USBIEN and USBIRQ - bitmasks. */
199 /* Start-of-frame interrupt bit. */
207 /* USB high-speed mode interrupt bit. */
215  * struct cdns2_usb_regs - USB controller registers.
248 /* LPMCTRL - bitmasks. */
256 /* LPMCLOCK - bitmasks. */
264 /* USBCS - bitmasks. */
267 /* Remote wake-up bit. */
274 /* FIFOCTRL - bitmasks. */
286 /* SPEEDCTRL - bitmasks. */
294 /* CPUCTRL- bitmasks. */
299  * struct cdns2_adma_regs - ADMA controller registers.
346 /* DMA_CONF - bitmasks. */
354 /* DMA_EP_CFG - bitmasks. */
358 /* DMA_EP_CMD - bitmasks. */
366 /* DMA_EP_STS - bitmasks. */
384 /* DMA_EP_STS_EN - bitmasks. */
394 /* DMA_EP_IEN - bitmasks. */
399 /* DMA_EP_ISTS - bitmasks. */
407 /*-------------------------------------------------------------------------*/
419 #define TRB_BUFF_LEN_UP_TO_BOUNDARY(addr) (TRB_MAX_ISO_BUFF_SIZE - \
420 					((addr) & (TRB_MAX_ISO_BUFF_SIZE - 1)))
427  * struct cdns2_trb - represent Transfer Descriptor block.
459 /* Cycle bit - indicates TRB ownership by driver or hw. */
480 /*-------------------------------------------------------------------------*/
491 /*-------------------------------------------------------------------------*/
497  * struct cdns2_ring - transfer ring representation.
517  * struct cdns2_endpoint - extended device side representation of USB endpoint.
525  * @idx: index of endpoint in pdev->eps table.
527  * @num: endpoint number (1 - 15).
530  * @buffering: on-chip buffers assigned to endpoint.
578  * struct cdns2_request - extended device side representation of usb_request
580  * @request: generic usb_request object describing single I/O request.
608  * struct cdns2_device - represent USB device.
626  * @eps: array of objects describing endpoints.
629  * @is_selfpowered: device is self powered.
637  *      bit: 0 - ep0, 1 - epOut1, 2 - epIn1, 3 - epOut2 ...
639  * @onchip_tx_buf: size of transmit on-chip buffer in KB.
640  * @onchip_rx_buf: size of receive on-chip buffer in KB.
647 	/* generic spin-lock for drivers */
679 			 ((pdev)->eps_supported & \