2 * Copyright (c) 2016 Rubicon Communications, LLC (Netgate)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 bus_space_tag_t sc_bst;
34 bus_space_handle_t sc_bsh;
38 struct resource *sc_mem_res;
39 struct resource *sc_irq_res;
43 struct spi_command *cmd;
51 #define sc_fifolvl xfer.fifolvl
52 #define sc_cmd xfer.cmd
53 #define sc_len xfer.len
54 #define sc_read xfer.read
55 #define sc_written xfer.written
58 #define TI_SPI_BUSY 0x1
59 #define TI_SPI_DONE 0x2
61 #define TI_SPI_WRITE(_sc, _off, _val) \
62 bus_space_write_4((_sc)->sc_bst, (_sc)->sc_bsh, (_off), (_val))
63 #define TI_SPI_READ(_sc, _off) \
64 bus_space_read_4((_sc)->sc_bst, (_sc)->sc_bsh, (_off))
66 #define TI_SPI_LOCK(_sc) \
67 mtx_lock(&(_sc)->sc_mtx)
68 #define TI_SPI_UNLOCK(_sc) \
69 mtx_unlock(&(_sc)->sc_mtx)
71 #endif /* _TI_SPIVAR_H_ */