fsl/qe/ucc_fast.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
39 #define R_CM_S	0x0200	/* continuous mode */
53 #define T_TM_S	0x0200	/* continuous mode */
57 /* Rx Data buffer must be 4 bytes aligned in most cases */
66 /* ucc_fast_channel_protocol_mode - UCC FAST mode */
86 /* ucc_fast_transparent_txrx - UCC Fast Transparent TX & RX */
92 /* UCC fast diagnostic mode */
100 /* UCC fast Sync length (transparent mode only) */
108 /* UCC fast RTS mode */
114 /* UCC fast receiver decoding mode */
122 /* UCC fast transmitter encoding mode */
169 	enum ucc_fast_channel_protocol_mode mode;  member
186 	int enabled_rx;		/* Whether channel is enabled for Rx (ENR) */
189 	int stopped_rx;		/* Whether channel has been stopped for Rx */
192 	s32 ucc_fast_rx_virtual_fifo_base_offset;/* pointer to base of Rx
201 	u32 rx_discarded;	/* Discarded rx frames counter (frames that
211  * uf_info  - (In) pointer to the fast UCC info structure.
212  * uccf_ret - (Out) pointer to the fast UCC structure.
219  * uccf - (In) pointer to the fast UCC structure.
225  * This routine enables Tx and/or Rx through the General UCC Mode Register.
227  * uccf - (In) pointer to the fast UCC structure.
228  * mode - (In) TX, RX, or both.
230 void ucc_fast_enable(struct ucc_fast_private * uccf, enum comm_dir mode);
234  * This routine disables Tx and/or Rx through the General UCC Mode Register.
236  * uccf - (In) pointer to the fast UCC structure.
237  * mode - (In) TX, RX, or both.
239 void ucc_fast_disable(struct ucc_fast_private * uccf, enum comm_dir mode);
245  * uccf - (In) pointer to the fast UCC structure.
258  * uccf - (In) pointer to the fast UCC structure.