xref: /openbmc/qemu/hw/net/pcnet.h (revision 47b43a1f)
1 #ifndef HW_PCNET_H
2 #define HW_PCNET_H 1
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 
12 /* BUS CONFIGURATION REGISTERS */
13 #define BCR_MSRDA    0
14 #define BCR_MSWRA    1
15 #define BCR_MC       2
16 #define BCR_LNKST    4
17 #define BCR_LED1     5
18 #define BCR_LED2     6
19 #define BCR_LED3     7
20 #define BCR_FDC      9
21 #define BCR_BSBC     18
22 #define BCR_EECAS    19
23 #define BCR_SWS      20
24 #define BCR_PLAT     22
25 
26 #define BCR_TMAULOOP(S)  !!((S)->bcr[BCR_MC  ] & 0x4000)
27 #define BCR_APROMWE(S)   !!((S)->bcr[BCR_MC  ] & 0x0100)
28 #define BCR_DWIO(S)      !!((S)->bcr[BCR_BSBC] & 0x0080)
29 #define BCR_SSIZE32(S)   !!((S)->bcr[BCR_SWS ] & 0x0100)
30 #define BCR_SWSTYLE(S)     ((S)->bcr[BCR_SWS ] & 0x00FF)
31 
32 typedef struct PCNetState_st PCNetState;
33 
34 struct PCNetState_st {
35     NICState *nic;
36     NICConf conf;
37     QEMUTimer *poll_timer;
38     int rap, isr, lnkst;
39     uint32_t rdra, tdra;
40     uint8_t prom[16];
41     uint16_t csr[128];
42     uint16_t bcr[32];
43     int xmit_pos;
44     uint64_t timer;
45     MemoryRegion mmio;
46     uint8_t buffer[4096];
47     qemu_irq irq;
48     void (*phys_mem_read)(void *dma_opaque, hwaddr addr,
49                          uint8_t *buf, int len, int do_bswap);
50     void (*phys_mem_write)(void *dma_opaque, hwaddr addr,
51                           uint8_t *buf, int len, int do_bswap);
52     void *dma_opaque;
53     int tx_busy;
54     int looptest;
55 };
56 
57 void pcnet_h_reset(void *opaque);
58 void pcnet_ioport_writew(void *opaque, uint32_t addr, uint32_t val);
59 uint32_t pcnet_ioport_readw(void *opaque, uint32_t addr);
60 void pcnet_ioport_writel(void *opaque, uint32_t addr, uint32_t val);
61 uint32_t pcnet_ioport_readl(void *opaque, uint32_t addr);
62 uint32_t pcnet_bcr_readw(PCNetState *s, uint32_t rap);
63 int pcnet_can_receive(NetClientState *nc);
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_cleanup(PCNetState *d);
67 int pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info);
68 extern const VMStateDescription vmstate_pcnet;
69 
70 #endif
71