summaryrefslogtreecommitdiff
path: root/include/linux/hayesesp.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/hayesesp.h')
-rw-r--r--include/linux/hayesesp.h124
1 files changed, 124 insertions, 0 deletions
diff --git a/include/linux/hayesesp.h b/include/linux/hayesesp.h
new file mode 100644
index 000000000000..b436be7a7fff
--- /dev/null
+++ b/include/linux/hayesesp.h
@@ -0,0 +1,124 @@
+#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
+
+#define ESP_EVENT_WRITE_WAKEUP 0
+#define ESP_MAGIC 0x53ee
+#define ESP_XMIT_SIZE 4096
+
+struct esp_struct {
+ int magic;
+ spinlock_t lock;
+ int port;
+ int irq;
+ int flags; /* defined in tty.h */
+ struct tty_struct *tty;
+ 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 */
+ unsigned long event;
+ unsigned long last_active;
+ int line;
+ int count; /* # of fd on device */
+ int blocked_open; /* # of blocked opens */
+ unsigned char *xmit_buf;
+ int xmit_head;
+ int xmit_tail;
+ int xmit_cnt;
+ struct work_struct tqueue;
+ struct work_struct tqueue_hangup;
+ wait_queue_head_t open_wait;
+ wait_queue_head_t close_wait;
+ 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 */
+