projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1e37607b GH |
1 | #ifndef QEMU_HW_ESP_H |
| 2 | #define QEMU_HW_ESP_H | |
| 3 | ||
| 9c7e23fc HP |
4 | #include "scsi.h" |
| 5 | ||
| 8b17de88 BS |
6 | /* esp.c */ |
| 7 | #define ESP_MAX_DEVS 7 | |
| ff9868ec | 8 | typedef void (*ESPDMAMemoryReadWriteFunc)(void *opaque, uint8_t *buf, int len); |
| a8170e5e | 9 | void esp_init(hwaddr espaddr, int it_shift, |
| ff9868ec BS |
10 | ESPDMAMemoryReadWriteFunc dma_memory_read, |
| 11 | ESPDMAMemoryReadWriteFunc dma_memory_write, | |
| 73d74342 BS |
12 | void *dma_opaque, qemu_irq irq, qemu_irq *reset, |
| 13 | qemu_irq *dma_enable); | |
| 1e37607b | 14 | |
| 9c7e23fc HP |
15 | #define ESP_REGS 16 |
| 16 | #define TI_BUFSZ 16 | |
| 17 | ||
| 18 | typedef struct ESPState ESPState; | |
| 19 | ||
| 20 | struct ESPState { | |
| 21 | uint8_t rregs[ESP_REGS]; | |
| 22 | uint8_t wregs[ESP_REGS]; | |
| 23 | qemu_irq irq; | |
| 24 | uint8_t chip_id; | |
| 25 | int32_t ti_size; | |
| 26 | uint32_t ti_rptr, ti_wptr; | |
| 27 | uint32_t status; | |
| 28 | uint32_t dma; | |
| 29 | uint8_t ti_buf[TI_BUFSZ]; | |
| 30 | SCSIBus bus; | |
| 31 | SCSIDevice *current_dev; | |
| 32 | SCSIRequest *current_req; | |
| 33 | uint8_t cmdbuf[TI_BUFSZ]; | |
| 34 | uint32_t cmdlen; | |
| 35 | uint32_t do_cmd; | |
| 36 | ||
| 37 | /* The amount of data left in the current DMA transfer. */ | |
| 38 | uint32_t dma_left; | |
| 39 | /* The size of the current DMA transfer. Zero if no transfer is in | |
| 40 | progress. */ | |
| 41 | uint32_t dma_counter; | |
| 42 | int dma_enabled; | |
| 43 | ||
| 44 | uint32_t async_len; | |
| 45 | uint8_t *async_buf; | |
| 46 | ||
| 47 | ESPDMAMemoryReadWriteFunc dma_memory_read; | |
| 48 | ESPDMAMemoryReadWriteFunc dma_memory_write; | |
| 49 | void *dma_opaque; | |
| 50 | void (*dma_cb)(ESPState *s); | |
| 51 | }; | |
| 52 | ||
| 53 | #define ESP_TCLO 0x0 | |
| 54 | #define ESP_TCMID 0x1 | |
| 55 | #define ESP_FIFO 0x2 | |
| 56 | #define ESP_CMD 0x3 | |
| 57 | #define ESP_RSTAT 0x4 | |
| 58 | #define ESP_WBUSID 0x4 | |
| 59 | #define ESP_RINTR 0x5 | |
| 60 | #define ESP_WSEL 0x5 | |
| 61 | #define ESP_RSEQ 0x6 | |
| 62 | #define ESP_WSYNTP 0x6 | |
| 63 | #define ESP_RFLAGS 0x7 | |
| 64 | #define ESP_WSYNO 0x7 | |
| 65 | #define ESP_CFG1 0x8 | |
| 66 | #define ESP_RRES1 0x9 | |
| 67 | #define ESP_WCCF 0x9 | |
| 68 | #define ESP_RRES2 0xa | |
| 69 | #define ESP_WTEST 0xa | |
| 70 | #define ESP_CFG2 0xb | |
| 71 | #define ESP_CFG3 0xc | |
| 72 | #define ESP_RES3 0xd | |
| 73 | #define ESP_TCHI 0xe | |
| 74 | #define ESP_RES4 0xf | |
| 75 | ||
| 76 | #define CMD_DMA 0x80 | |
| 77 | #define CMD_CMD 0x7f | |
| 78 | ||
| 79 | #define CMD_NOP 0x00 | |
| 80 | #define CMD_FLUSH 0x01 | |
| 81 | #define CMD_RESET 0x02 | |
| 82 | #define CMD_BUSRESET 0x03 | |
| 83 | #define CMD_TI 0x10 | |
| 84 | #define CMD_ICCS 0x11 | |
| 85 | #define CMD_MSGACC 0x12 | |
| 86 | #define CMD_PAD 0x18 | |
| 87 | #define CMD_SATN 0x1a | |
| 88 | #define CMD_RSTATN 0x1b | |
| 89 | #define CMD_SEL 0x41 | |
| 90 | #define CMD_SELATN 0x42 | |
| 91 | #define CMD_SELATNS 0x43 | |
| 92 | #define CMD_ENSEL 0x44 | |
| 93 | #define CMD_DISSEL 0x45 | |
| 94 | ||
| 95 | #define STAT_DO 0x00 | |
| 96 | #define STAT_DI 0x01 | |
| 97 | #define STAT_CD 0x02 | |
| 98 | #define STAT_ST 0x03 | |
| 99 | #define STAT_MO 0x06 | |
| 100 | #define STAT_MI 0x07 | |
| 101 | #define STAT_PIO_MASK 0x06 | |
| 102 | ||
| 103 | #define STAT_TC 0x10 | |
| 104 | #define STAT_PE 0x20 | |
| 105 | #define STAT_GE 0x40 | |
| 106 | #define STAT_INT 0x80 | |
| 107 | ||
| 108 | #define BUSID_DID 0x07 | |
| 109 | ||
| 110 | #define INTR_FC 0x08 | |
| 111 | #define INTR_BS 0x10 | |
| 112 | #define INTR_DC 0x20 | |
| 113 | #define INTR_RST 0x80 | |
| 114 | ||
| 115 | #define SEQ_0 0x0 | |
| 116 | #define SEQ_CD 0x4 | |
| 117 | ||
| 118 | #define CFG1_RESREPT 0x40 | |
| 119 | ||
| 120 | #define TCHI_FAS100A 0x4 | |
| 121 | #define TCHI_AM53C974 0x12 | |
| 122 | ||
| 123 | void esp_dma_enable(ESPState *s, int irq, int level); | |
| 124 | void esp_request_cancelled(SCSIRequest *req); | |
| 125 | void esp_command_complete(SCSIRequest *req, uint32_t status, size_t resid); | |
| 126 | void esp_transfer_data(SCSIRequest *req, uint32_t len); | |
| 127 | void esp_hard_reset(ESPState *s); | |
| 128 | uint64_t esp_reg_read(ESPState *s, uint32_t saddr); | |
| 129 | void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val); | |
| 130 | extern const VMStateDescription vmstate_esp; | |
| 131 | ||
| 1e37607b | 132 | #endif |