block/export: Add query-block-exports
[qemu.git] / include / hw / ssi / mss-spi.h
1 /*
2 * Microsemi SmartFusion2 SPI
3 *
4 * Copyright (c) 2017 Subbaraya Sundeep <sundeep.lkml@gmail.com>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #ifndef HW_MSS_SPI_H
26 #define HW_MSS_SPI_H
27
28 #include "hw/sysbus.h"
29 #include "hw/ssi/ssi.h"
30 #include "qemu/fifo32.h"
31 #include "qom/object.h"
32
33 #define TYPE_MSS_SPI "mss-spi"
34 OBJECT_DECLARE_SIMPLE_TYPE(MSSSpiState, MSS_SPI)
35
36 #define R_SPI_MAX 16
37
38 struct MSSSpiState {
39 SysBusDevice parent_obj;
40
41 MemoryRegion mmio;
42
43 qemu_irq irq;
44
45 qemu_irq cs_line;
46
47 SSIBus *spi;
48
49 Fifo32 rx_fifo;
50 Fifo32 tx_fifo;
51
52 int fifo_depth;
53 uint32_t frame_count;
54 bool enabled;
55
56 uint32_t regs[R_SPI_MAX];
57 };
58
59 #endif /* HW_MSS_SPI_H */