| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef HAYESESP_H |
| 2 | #define HAYESESP_H |
| 3 | |
| 4 | struct hayes_esp_config { |
| 5 | short flow_on; |
| 6 | short flow_off; |
| 7 | short rx_trigger; |
| 8 | short tx_trigger; |
| 9 | short pio_threshold; |
| 10 | unsigned char rx_timeout; |
| 11 | char dma_channel; |
| 12 | }; |
| 13 | |
| 14 | #ifdef __KERNEL__ |
| 15 | |
| 16 | #define ESP_DMA_CHANNEL 0 |
| 17 | #define ESP_RX_TRIGGER 768 |
| 18 | #define ESP_TX_TRIGGER 768 |
| 19 | #define ESP_FLOW_OFF 1016 |
| 20 | #define ESP_FLOW_ON 944 |
| 21 | #define ESP_RX_TMOUT 128 |
| 22 | #define ESP_PIO_THRESHOLD 32 |
| 23 | |
| 24 | #define ESP_IN_MAJOR 57 /* major dev # for dial in */ |
| 25 | #define ESP_OUT_MAJOR 58 /* major dev # for dial out */ |
| 26 | #define ESPC_SCALE 3 |
| 27 | #define UART_ESI_BASE 0x00 |
| 28 | #define UART_ESI_SID 0x01 |
| 29 | #define UART_ESI_RX 0x02 |
| 30 | #define UART_ESI_TX 0x02 |
| 31 | #define UART_ESI_CMD1 0x04 |
| 32 | #define UART_ESI_CMD2 0x05 |
| 33 | #define UART_ESI_STAT1 0x04 |
| 34 | #define UART_ESI_STAT2 0x05 |
| 35 | #define UART_ESI_RWS 0x07 |
| 36 | |
| 37 | #define UART_IER_DMA_TMOUT 0x80 |
| 38 | #define UART_IER_DMA_TC 0x08 |
| 39 | |
| 40 | #define ESI_SET_IRQ 0x04 |
| 41 | #define ESI_SET_DMA_TMOUT 0x05 |
| 42 | #define ESI_SET_SRV_MASK 0x06 |
| 43 | #define ESI_SET_ERR_MASK 0x07 |
| 44 | #define ESI_SET_FLOW_CNTL 0x08 |
| 45 | #define ESI_SET_FLOW_CHARS 0x09 |
| 46 | #define ESI_SET_FLOW_LVL 0x0a |
| 47 | #define ESI_SET_TRIGGER 0x0b |
| 48 | #define ESI_SET_RX_TIMEOUT 0x0c |
| 49 | #define ESI_SET_FLOW_TMOUT 0x0d |
| 50 | #define ESI_WRITE_UART 0x0e |
| 51 | #define ESI_READ_UART 0x0f |
| 52 | #define ESI_SET_MODE 0x10 |
| 53 | #define ESI_GET_ERR_STAT 0x12 |
| 54 | #define ESI_GET_UART_STAT 0x13 |
| 55 | #define ESI_GET_RX_AVAIL 0x14 |
| 56 | #define ESI_GET_TX_AVAIL 0x15 |
| 57 | #define ESI_START_DMA_RX 0x16 |
| 58 | #define ESI_START_DMA_TX 0x17 |
| 59 | #define ESI_ISSUE_BREAK 0x1a |
| 60 | #define ESI_FLUSH_RX 0x1b |
| 61 | #define ESI_FLUSH_TX 0x1c |
| 62 | #define ESI_SET_BAUD 0x1d |
| 63 | #define ESI_SET_ENH_IRQ 0x1f |
| 64 | #define ESI_SET_REINTR 0x20 |
| 65 | #define ESI_SET_PRESCALAR 0x23 |
| 66 | #define ESI_NO_COMMAND 0xff |
| 67 | |
| 68 | #define ESP_STAT_RX_TIMEOUT 0x01 |
| 69 | #define ESP_STAT_DMA_RX 0x02 |
| 70 | #define ESP_STAT_DMA_TX 0x04 |
| 71 | #define ESP_STAT_NEVER_DMA 0x08 |
| 72 | #define ESP_STAT_USE_PIO 0x10 |
| 73 | |
| 74 | #define ESP_EVENT_WRITE_WAKEUP 0 |
| 75 | #define ESP_MAGIC 0x53ee |
| 76 | #define ESP_XMIT_SIZE 4096 |
| 77 | |
| 78 | struct esp_struct { |
| 79 | int magic; |
| 80 | spinlock_t lock; |
| 81 | int port; |
| 82 | int irq; |
| 83 | int flags; /* defined in tty.h */ |
| 84 | struct tty_struct *tty; |
| 85 | int read_status_mask; |
| 86 | int ignore_status_mask; |
| 87 | int timeout; |
| 88 | int stat_flags; |
| 89 | int custom_divisor; |
| 90 | int close_delay; |
| 91 | unsigned short closing_wait; |
| 92 | unsigned short closing_wait2; |
| 93 | int IER; /* Interrupt Enable Register */ |
| 94 | int MCR; /* Modem control register */ |
| 95 | unsigned long event; |
| 96 | unsigned long last_active; |
| 97 | int line; |
| 98 | int count; /* # of fd on device */ |
| 99 | int blocked_open; /* # of blocked opens */ |
| 100 | unsigned char *xmit_buf; |
| 101 | int xmit_head; |
| 102 | int xmit_tail; |
| 103 | int xmit_cnt; |
| 104 | struct work_struct tqueue; |
| 105 | struct work_struct tqueue_hangup; |
| 106 | wait_queue_head_t open_wait; |
| 107 | wait_queue_head_t close_wait; |
| 108 | wait_queue_head_t delta_msr_wait; |
| 109 | wait_queue_head_t break_wait; |
| 110 | struct async_icount icount; /* kernel counters for the 4 input interrupts */ |
| 111 | struct hayes_esp_config config; /* port configuration */ |
| 112 | struct esp_struct *next_port; /* For the linked list */ |
| 113 | }; |
| 114 | |
| 115 | struct esp_pio_buffer { |
| 116 | unsigned char data[1024]; |
| 117 | struct esp_pio_buffer *next; |
| 118 | }; |
| 119 | |
| 120 | #endif /* __KERNEL__ */ |
| 121 | |
| 122 | |
| 123 | #endif /* ESP_H */ |
| 124 | |