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.
26  * @reserved1: reserved.
28  * @reserved2: reserved.
30  * @reserved4: reserved.
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.
112  * @reserved: reserved.
113  * @ep: none control endpoints array.
114  * @reserved2: reserved.
116  * @reserved3: reserved.
117  * @isoautoarm: ISO auto-arm register.
118  * @reserved4: reserved.
120  * @reserved5: reserved.
122  * @reserved6: reserved.
124  * @reserved7: reserved.
126  * @reserved8: reserved.
128  * @reserved9: reserved.
132 	__le32 reserved[2];  member
152 /* ENDPRST - bitmasks. */
165  * struct cdns2_interrupt_regs - USB interrupt related registers.
166  * @reserved: reserved.
170  * @reserved1: reserved.
173  * @reserved2: reserved.
177 	__u8 reserved[396];  member
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.
216  * @reserved: reserved.
219  * @reserved2: reserved.
228  * @reserved3: reserved.
232 	__u8 reserved[4];  member
248 /* LPMCTRL - bitmasks. */
256 /* LPMCLOCK - bitmasks. */
264 /* USBCS - bitmasks. */
267 /* Remote wake-up bit. */
274 /* FIFOCTRL - bitmasks. */
286 /* SPEEDCTRL - bitmasks. */
294 /* CPUCTRL- bitmasks. */
308  * struct cdns2_adma_regs - ADMA controller registers.
311  * @reserved1: reserved.
317  * @reserved2: reserved.
324  * @reserved3: reserved.
326  * @reserved4: reserved.
355 /* DMA_CONF - bitmasks. */
363 /* DMA_EP_CFG - bitmasks. */
367 /* DMA_EP_CMD - bitmasks. */
375 /* DMA_EP_STS - bitmasks. */
393 /* DMA_EP_STS_EN - bitmasks. */
403 /* DMA_EP_IEN - bitmasks. */
408 /* DMA_EP_ISTS - bitmasks. */
416 /*-------------------------------------------------------------------------*/
428 #define TRB_BUFF_LEN_UP_TO_BOUNDARY(addr) (TRB_MAX_ISO_BUFF_SIZE - \
429 					((addr) & (TRB_MAX_ISO_BUFF_SIZE - 1)))
436  * struct cdns2_trb - represent Transfer Descriptor block.
451  * These two extra TRBs are reserved for isochronous transfer
468 /* Cycle bit - indicates TRB ownership by driver or hw. */
489 /*-------------------------------------------------------------------------*/
495 /* One control and 15 IN and 15 OUT endpoints. */
500 /*-------------------------------------------------------------------------*/
506  * struct cdns2_ring - transfer ring representation.
526  * struct cdns2_endpoint - extended device side representation of USB endpoint.
534  * @idx: index of endpoint in pdev->eps table.
536  * @num: endpoint number (1 - 15).
539  * @buffering: on-chip buffers assigned to endpoint.
587  * struct cdns2_request - extended device side representation of usb_request
617  * struct cdns2_device - represent USB device.
635  * @eps: array of objects describing endpoints.
645  * @eps_supported: endpoints supported by controller in form:
646  *      bit: 0 - ep0, 1 - epOut1, 2 - epIn1, 3 - epOut2 ...
648  * @onchip_tx_buf: size of transmit on-chip buffer in KB.
649  * @onchip_rx_buf: size of receive on-chip buffer in KB.
656 	/* generic spin-lock for drivers */
688 			 ((pdev)->eps_supported & \