usb/renesas_usbhs/fifo.c

30 static int usbhsf_null_handle(struct usbhs_pkt *pkt, int *is_done)
161 	int (*func)(struct usbhs_pkt *pkt, int *is_done);
164 	int is_done = 0;
191 		ret = func(pkt, &is_done);
193 	if (is_done)
200 	if (is_done) {
357 static int usbhs_dcp_dir_switch_to_write(struct usbhs_pkt *pkt, int *is_done)
386 static int usbhs_dcp_dir_switch_to_read(struct usbhs_pkt *pkt, int *is_done)
414 static int usbhs_dcp_dir_switch_done(struct usbhs_pkt *pkt, int *is_done)
424 	*is_done = 1;
442 static int usbhsf_dcp_data_stage_try_push(struct usbhs_pkt *pkt, int *is_done)
453 	return pkt->handler->prepare(pkt, is_done);
464 					     int *is_done)
492 	return pkt->handler->prepare(pkt, is_done);
502 static int usbhsf_pio_try_push(struct usbhs_pkt *pkt, int *is_done)
567 		*is_done = 0;		/* there are remainder data */
569 		*is_done = 1;		/* short packet */
571 		*is_done = !pkt->zero;	/* send zero packet ? */
579 	usbhsf_tx_irq_ctrl(pipe, !*is_done);
580 	usbhs_pipe_running(pipe, !*is_done);
585 		pkt->length, pkt->actual, *is_done, pkt->zero);
604 static int usbhsf_pio_prepare_push(struct usbhs_pkt *pkt, int *is_done)
609 	return usbhsf_pio_try_push(pkt, is_done);
620 static int usbhsf_prepare_pop(struct usbhs_pkt *pkt, int *is_done)
649 static int usbhsf_pio_try_pop(struct usbhs_pkt *pkt, int *is_done)
687 		*is_done = 1;
734 		pkt->length, pkt->actual, *is_done, pkt->zero);
750 static int usbhsf_ctrl_stage_end(struct usbhs_pkt *pkt, int *is_done)
754 	*is_done = 1;
876 static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done)
940 	return pkt->handler->prepare(pkt, is_done);
943 static int usbhsf_dma_push_done(struct usbhs_pkt *pkt, int *is_done)
951 		*is_done = 0;		/* there are remainder data */
953 		*is_done = 1;		/* short packet */
955 		*is_done = !pkt->zero;	/* send zero packet? */
957 	usbhs_pipe_running(pipe, !*is_done);
963 	if (!*is_done) {
966 		return pkt->handler->try_run(pkt, is_done);
982 					      int *is_done)
984 	return usbhsf_prepare_pop(pkt, is_done);
988 						int *is_done)
1048 	return pkt->handler->prepare(pkt, is_done);
1051 static int usbhsf_dma_prepare_pop(struct usbhs_pkt *pkt, int *is_done)
1056 		return usbhsf_dma_prepare_pop_with_usb_dmac(pkt, is_done);
1058 		return usbhsf_dma_prepare_pop_with_rx_irq(pkt, is_done);
1061 static int usbhsf_dma_try_pop_with_rx_irq(struct usbhs_pkt *pkt, int *is_done)
1127 	return pkt->handler->try_run(pkt, is_done);
1130 static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done)
1136 	return usbhsf_dma_try_pop_with_rx_irq(pkt, is_done);
1139 static int usbhsf_dma_pop_done_with_rx_irq(struct usbhs_pkt *pkt, int *is_done)
1152 		*is_done = 1;
1157 		usbhsf_prepare_pop(pkt, is_done);
1182 					     int *is_done)
1207 	*is_done = 1;
1212 static int usbhsf_dma_pop_done(struct usbhs_pkt *pkt, int *is_done)
1217 		return usbhsf_dma_pop_done_with_usb_dmac(pkt, is_done);
1219 		return usbhsf_dma_pop_done_with_rx_irq(pkt, is_done);