File: bcm2835_dma.h

package info (click to toggle)
qemu 1%3A7.2%2Bdfsg-7%2Bdeb12u13
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 288,192 kB
  • sloc: ansic: 2,701,923; pascal: 112,708; python: 62,697; sh: 50,281; asm: 48,732; makefile: 17,260; cpp: 9,441; perl: 8,084; xml: 2,911; objc: 1,870; php: 1,299; tcl: 1,188; yacc: 604; lex: 363; sql: 71; awk: 35; sed: 11; javascript: 7
file content (47 lines) | stat: -rw-r--r-- 937 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
/*
 * Raspberry Pi emulation (c) 2012 Gregory Estrade
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#ifndef BCM2835_DMA_H
#define BCM2835_DMA_H

#include "hw/sysbus.h"
#include "qom/object.h"

typedef struct {
    uint32_t cs;
    uint32_t conblk_ad;
    uint32_t ti;
    uint32_t source_ad;
    uint32_t dest_ad;
    uint32_t txfr_len;
    uint32_t stride;
    uint32_t nextconbk;
    uint32_t debug;

    qemu_irq irq;
} BCM2835DMAChan;

#define TYPE_BCM2835_DMA "bcm2835-dma"
OBJECT_DECLARE_SIMPLE_TYPE(BCM2835DMAState, BCM2835_DMA)

#define BCM2835_DMA_NCHANS 16

struct BCM2835DMAState {
    /*< private >*/
    SysBusDevice busdev;
    /*< public >*/

    MemoryRegion iomem0, iomem15;
    MemoryRegion *dma_mr;
    AddressSpace dma_as;

    BCM2835DMAChan chan[BCM2835_DMA_NCHANS];
    uint32_t int_status;
    uint32_t enable;
};

#endif