1*1b2596b5SMatthias Ringwald /**
2*1b2596b5SMatthias Ringwald * \file
3*1b2596b5SMatthias Ringwald *
4*1b2596b5SMatthias Ringwald * \brief SAM XDMA Controller (XDMAC) driver.
5*1b2596b5SMatthias Ringwald *
6*1b2596b5SMatthias Ringwald * Copyright (c) 2015 Atmel Corporation. All rights reserved.
7*1b2596b5SMatthias Ringwald *
8*1b2596b5SMatthias Ringwald * \asf_license_start
9*1b2596b5SMatthias Ringwald *
10*1b2596b5SMatthias Ringwald * \page License
11*1b2596b5SMatthias Ringwald *
12*1b2596b5SMatthias Ringwald * Redistribution and use in source and binary forms, with or without
13*1b2596b5SMatthias Ringwald * modification, are permitted provided that the following conditions are met:
14*1b2596b5SMatthias Ringwald *
15*1b2596b5SMatthias Ringwald * 1. Redistributions of source code must retain the above copyright notice,
16*1b2596b5SMatthias Ringwald * this list of conditions and the following disclaimer.
17*1b2596b5SMatthias Ringwald *
18*1b2596b5SMatthias Ringwald * 2. Redistributions in binary form must reproduce the above copyright notice,
19*1b2596b5SMatthias Ringwald * this list of conditions and the following disclaimer in the documentation
20*1b2596b5SMatthias Ringwald * and/or other materials provided with the distribution.
21*1b2596b5SMatthias Ringwald *
22*1b2596b5SMatthias Ringwald * 3. The name of Atmel may not be used to endorse or promote products derived
23*1b2596b5SMatthias Ringwald * from this software without specific prior written permission.
24*1b2596b5SMatthias Ringwald *
25*1b2596b5SMatthias Ringwald * 4. This software may only be redistributed and used in connection with an
26*1b2596b5SMatthias Ringwald * Atmel microcontroller product.
27*1b2596b5SMatthias Ringwald *
28*1b2596b5SMatthias Ringwald * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
29*1b2596b5SMatthias Ringwald * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
30*1b2596b5SMatthias Ringwald * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
31*1b2596b5SMatthias Ringwald * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
32*1b2596b5SMatthias Ringwald * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33*1b2596b5SMatthias Ringwald * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34*1b2596b5SMatthias Ringwald * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35*1b2596b5SMatthias Ringwald * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36*1b2596b5SMatthias Ringwald * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
37*1b2596b5SMatthias Ringwald * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38*1b2596b5SMatthias Ringwald * POSSIBILITY OF SUCH DAMAGE.
39*1b2596b5SMatthias Ringwald *
40*1b2596b5SMatthias Ringwald * \asf_license_stop
41*1b2596b5SMatthias Ringwald *
42*1b2596b5SMatthias Ringwald */
43*1b2596b5SMatthias Ringwald /*
44*1b2596b5SMatthias Ringwald * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
45*1b2596b5SMatthias Ringwald */
46*1b2596b5SMatthias Ringwald
47*1b2596b5SMatthias Ringwald #include "xdmac.h"
48*1b2596b5SMatthias Ringwald
49*1b2596b5SMatthias Ringwald /**
50*1b2596b5SMatthias Ringwald * \brief Configure DMA for a transfer.
51*1b2596b5SMatthias Ringwald *
52*1b2596b5SMatthias Ringwald * \param[out] xdmac Module hardware register base address pointer.
53*1b2596b5SMatthias Ringwald * \param[in] channel_num The used channel number.
54*1b2596b5SMatthias Ringwald * \param[in] cfg The configuration for used channel
55*1b2596b5SMatthias Ringwald */
xdmac_configure_transfer(Xdmac * xdmac,uint32_t channel_num,xdmac_channel_config_t * cfg)56*1b2596b5SMatthias Ringwald void xdmac_configure_transfer(Xdmac *xdmac,
57*1b2596b5SMatthias Ringwald uint32_t channel_num, xdmac_channel_config_t *cfg)
58*1b2596b5SMatthias Ringwald {
59*1b2596b5SMatthias Ringwald Assert(xdmac);
60*1b2596b5SMatthias Ringwald Assert(channel_num < XDMACCHID_NUMBER);
61*1b2596b5SMatthias Ringwald Assert(cfg);
62*1b2596b5SMatthias Ringwald
63*1b2596b5SMatthias Ringwald xdmac_channel_get_interrupt_status( xdmac, channel_num);
64*1b2596b5SMatthias Ringwald xdmac_channel_set_source_addr(xdmac, channel_num, cfg->mbr_sa);
65*1b2596b5SMatthias Ringwald xdmac_channel_set_destination_addr(xdmac, channel_num, cfg->mbr_da);
66*1b2596b5SMatthias Ringwald xdmac_channel_set_microblock_control(xdmac, channel_num, cfg->mbr_ubc);
67*1b2596b5SMatthias Ringwald xdmac_channel_set_block_control(xdmac, channel_num, cfg->mbr_bc);
68*1b2596b5SMatthias Ringwald xdmac_channel_set_datastride_mempattern(xdmac, channel_num, cfg->mbr_ds);
69*1b2596b5SMatthias Ringwald xdmac_channel_set_source_microblock_stride(xdmac, channel_num, cfg->mbr_sus);
70*1b2596b5SMatthias Ringwald xdmac_channel_set_destination_microblock_stride(xdmac, channel_num, cfg->mbr_dus);
71*1b2596b5SMatthias Ringwald xdmac_channel_set_config(xdmac, channel_num, cfg->mbr_cfg );
72*1b2596b5SMatthias Ringwald }