xref: /openbmc/qemu/hw/net/pcnet.h (revision 2b74dd91)
1 #ifndef HW_PCNET_H
2 #define HW_PCNET_H
3 
4 #define PCNET_IOPORT_SIZE       0x20
5 #define PCNET_PNPMMIO_SIZE      0x20
6 
7 #define PCNET_LOOPTEST_CRC      1
8 #define PCNET_LOOPTEST_NOCRC    2
9 
10 #include "exec/memory.h"
11 #include "hw/irq.h"
12 
13 /* BUS CONFIGURATION REGISTERS */
14 #define BCR_MSRDA    0
15 #define BCR_MSWRA    1
16 #define BCR_MC       2
17 #define BCR_LNKST    4
18 #define BCR_LED1     5
19 #define BCR_LED2     6
20 #define BCR_LED3     7
21 #define BCR_FDC      9
22 #define BCR_BSBC     18
23 #define BCR_EECAS    19
24 #define BCR_SWS      20
25 #define BCR_PLAT     22
26 
27 #define BCR_TMAULOOP(S)  !!((S)->bcr[BCR_MC  ] & 0x4000)
28 #define BCR_APROMWE(S)   !!((S)->bcr[BCR_MC  ] & 0x0100)
29 #define BCR_DWIO(S)      !!((S)->bcr[BCR_BSBC] & 0x0080)
30 #define BCR_SSIZE32(S)   !!((S)->bcr[BCR_SWS ] & 0x0100)
31 #define BCR_SWSTYLE(S)     ((S)->bcr[BCR_SWS ] & 0x00FF)
32 
33 typedef struct PCNetState_st PCNetState;
34 
35 struct PCNetState_st {
36     NICState *nic;
37     NICConf conf;
38     QEMUTimer *poll_timer;
39     int rap, isr, lnkst;
40     uint32_t rdra, tdra;
41     uint8_t prom[16];
42     uint16_t csr[128];
43     uint16_t bcr[32];
44     int xmit_pos;
45     uint64_t timer;
46     MemoryRegion mmio;
47     uint8_t buffer[4096];
48     qemu_irq irq;
49     void (*phys_mem_read)(void *dma_opaque, hwaddr addr,
50                          uint8_t *buf, int len, int do_bswap);
51     void (*phys_mem_write)(void *dma_opaque, hwaddr addr,
52                           uint8_t *buf, int len, int do_bswap);
53     DeviceState *dma_opaque;
54     int tx_busy;
55     int looptest;
56 };
57 
58 void pcnet_h_reset(void *opaque);
59 void pcnet_ioport_writew(void *opaque, uint32_t addr, uint32_t val);
60 uint32_t pcnet_ioport_readw(void *opaque, uint32_t addr);
61 void pcnet_ioport_writel(void *opaque, uint32_t addr, uint32_t val);
62 uint32_t pcnet_ioport_readl(void *opaque, uint32_t addr);
63 uint32_t pcnet_bcr_readw(PCNetState *s, uint32_t rap);
64 ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_);
65 void pcnet_set_link_status(NetClientState *nc);
66 void pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info);
67 extern const VMStateDescription vmstate_pcnet;
68 #endif
69