Eric Lee / linux-smarc-t335x-v3.2

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include/linux/hayesesp.h 2.73 KB
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1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  #ifndef HAYESESP_H
  #define HAYESESP_H
  
  struct hayes_esp_config {
  	short flow_on;
  	short flow_off;
  	short rx_trigger;
  	short tx_trigger;
  	short pio_threshold;
  	unsigned char rx_timeout;
  	char dma_channel;
  };
  
  #ifdef __KERNEL__
  
  #define ESP_DMA_CHANNEL   0
  #define ESP_RX_TRIGGER    768
  #define ESP_TX_TRIGGER    768
  #define ESP_FLOW_OFF      1016
  #define ESP_FLOW_ON       944
  #define ESP_RX_TMOUT      128
  #define ESP_PIO_THRESHOLD 32
  
  #define ESP_IN_MAJOR	57	/* major dev # for dial in */
  #define ESP_OUT_MAJOR	58	/* major dev # for dial out */
  #define ESPC_SCALE 	3
  #define UART_ESI_BASE	0x00
  #define UART_ESI_SID	0x01
  #define UART_ESI_RX	0x02
  #define UART_ESI_TX	0x02
  #define UART_ESI_CMD1	0x04
  #define UART_ESI_CMD2	0x05
  #define UART_ESI_STAT1	0x04
  #define UART_ESI_STAT2	0x05
  #define UART_ESI_RWS	0x07
  
  #define UART_IER_DMA_TMOUT	0x80
  #define UART_IER_DMA_TC		0x08
  
  #define ESI_SET_IRQ		0x04
  #define ESI_SET_DMA_TMOUT	0x05
  #define ESI_SET_SRV_MASK	0x06
  #define ESI_SET_ERR_MASK	0x07
  #define ESI_SET_FLOW_CNTL	0x08
  #define ESI_SET_FLOW_CHARS	0x09
  #define ESI_SET_FLOW_LVL	0x0a
  #define ESI_SET_TRIGGER		0x0b
  #define ESI_SET_RX_TIMEOUT	0x0c
  #define ESI_SET_FLOW_TMOUT	0x0d
  #define ESI_WRITE_UART		0x0e
  #define ESI_READ_UART		0x0f
  #define ESI_SET_MODE		0x10
  #define ESI_GET_ERR_STAT	0x12
  #define ESI_GET_UART_STAT	0x13
  #define ESI_GET_RX_AVAIL	0x14
  #define ESI_GET_TX_AVAIL	0x15
  #define ESI_START_DMA_RX	0x16
  #define ESI_START_DMA_TX	0x17
  #define ESI_ISSUE_BREAK		0x1a
  #define ESI_FLUSH_RX		0x1b
  #define ESI_FLUSH_TX		0x1c
  #define ESI_SET_BAUD		0x1d
  #define ESI_SET_ENH_IRQ		0x1f
  #define ESI_SET_REINTR		0x20
  #define ESI_SET_PRESCALAR	0x23
  #define ESI_NO_COMMAND		0xff
  
  #define ESP_STAT_RX_TIMEOUT	0x01
  #define ESP_STAT_DMA_RX		0x02
  #define ESP_STAT_DMA_TX		0x04
  #define ESP_STAT_NEVER_DMA      0x08
  #define ESP_STAT_USE_PIO        0x10
1da177e4c   Linus Torvalds   Linux-2.6.12-rc2 
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  #define ESP_MAGIC		0x53ee
  #define ESP_XMIT_SIZE		4096
  
  struct esp_struct {
  	int			magic;
4982d6b37   Alan Cox   esp: use tty_port 
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  	struct tty_port		port;
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  	spinlock_t		lock;
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  	int			io_port;
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  	int			irq;
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  	int			read_status_mask;
  	int			ignore_status_mask;
  	int			timeout;
  	int			stat_flags;
  	int			custom_divisor;
  	int			close_delay;
  	unsigned short		closing_wait;
  	unsigned short		closing_wait2;
  	int			IER; 	/* Interrupt Enable Register */
  	int			MCR; 	/* Modem control register */
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  	unsigned long		last_active;
  	int			line;
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  	unsigned char 		*xmit_buf;
  	int			xmit_head;
  	int			xmit_tail;
  	int			xmit_cnt;
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  	wait_queue_head_t	delta_msr_wait;
  	wait_queue_head_t	break_wait;
  	struct async_icount	icount;	/* kernel counters for the 4 input interrupts */
  	struct hayes_esp_config config; /* port configuration */
  	struct esp_struct	*next_port; /* For the linked list */
  };
  
  struct esp_pio_buffer {
  	unsigned char data[1024];
  	struct esp_pio_buffer *next;
  };
  
  #endif /* __KERNEL__ */
  
  
  #endif /* ESP_H */