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Diffstat (limited to 'drivers/tty/serial/jsm/jsm.h')
-rw-r--r--drivers/tty/serial/jsm/jsm.h101
1 files changed, 79 insertions, 22 deletions
diff --git a/drivers/tty/serial/jsm/jsm.h b/drivers/tty/serial/jsm/jsm.h
index af7013488aeb..0b79b87df47d 100644
--- a/drivers/tty/serial/jsm/jsm.h
+++ b/drivers/tty/serial/jsm/jsm.h
@@ -13,11 +13,6 @@
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 * Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
* Contact Information:
* Scott H Kilau <Scott_Kilau@digi.com>
* Wendy Xiong <wendyx@us.ibm.com>
@@ -68,6 +63,10 @@ do { \
#define MAX_STOPS_SENT 5
/* Board ids */
+#define PCI_DEVICE_ID_CLASSIC_4 0x0028
+#define PCI_DEVICE_ID_CLASSIC_8 0x0029
+#define PCI_DEVICE_ID_CLASSIC_4_422 0x00D0
+#define PCI_DEVICE_ID_CLASSIC_8_422 0x00D1
#define PCI_DEVICE_ID_NEO_4 0x00B0
#define PCI_DEVICE_ID_NEO_1_422 0x00CC
#define PCI_DEVICE_ID_NEO_1_422_485 0x00CD
@@ -112,21 +111,21 @@ struct jsm_channel;
************************************************************************/
struct board_ops {
irq_handler_t intr;
- void (*uart_init) (struct jsm_channel *ch);
- void (*uart_off) (struct jsm_channel *ch);
- void (*param) (struct jsm_channel *ch);
- void (*assert_modem_signals) (struct jsm_channel *ch);
- void (*flush_uart_write) (struct jsm_channel *ch);
- void (*flush_uart_read) (struct jsm_channel *ch);
- void (*disable_receiver) (struct jsm_channel *ch);
- void (*enable_receiver) (struct jsm_channel *ch);
- void (*send_break) (struct jsm_channel *ch);
- void (*clear_break) (struct jsm_channel *ch, int);
- void (*send_start_character) (struct jsm_channel *ch);
- void (*send_stop_character) (struct jsm_channel *ch);
- void (*copy_data_from_queue_to_uart) (struct jsm_channel *ch);
- u32 (*get_uart_bytes_left) (struct jsm_channel *ch);
- void (*send_immediate_char) (struct jsm_channel *ch, unsigned char);
+ void (*uart_init)(struct jsm_channel *ch);
+ void (*uart_off)(struct jsm_channel *ch);
+ void (*param)(struct jsm_channel *ch);
+ void (*assert_modem_signals)(struct jsm_channel *ch);
+ void (*flush_uart_write)(struct jsm_channel *ch);
+ void (*flush_uart_read)(struct jsm_channel *ch);
+ void (*disable_receiver)(struct jsm_channel *ch);
+ void (*enable_receiver)(struct jsm_channel *ch);
+ void (*send_break)(struct jsm_channel *ch);
+ void (*clear_break)(struct jsm_channel *ch);
+ void (*send_start_character)(struct jsm_channel *ch);
+ void (*send_stop_character)(struct jsm_channel *ch);
+ void (*copy_data_from_queue_to_uart)(struct jsm_channel *ch);
+ u32 (*get_uart_bytes_left)(struct jsm_channel *ch);
+ void (*send_immediate_char)(struct jsm_channel *ch, unsigned char);
};
@@ -189,7 +188,7 @@ struct jsm_board
#define CH_LOOPBACK 0x2000 /* Channel is in lookback mode */
#define CH_BAUD0 0x08000 /* Used for checking B0 transitions */
-/* Our Read/Error/Write queue sizes */
+/* Our Read/Error queue sizes */
#define RQUEUEMASK 0x1FFF /* 8 K - 1 */
#define EQUEUEMASK 0x1FFF /* 8 K - 1 */
#define RQUEUESIZE (RQUEUEMASK + 1)
@@ -222,7 +221,10 @@ struct jsm_channel {
u8 ch_mostat; /* FEP output modem status */
u8 ch_mistat; /* FEP input modem status */
- struct neo_uart_struct __iomem *ch_neo_uart; /* Pointer to the "mapped" UART struct */
+ /* Pointers to the "mapped" UART structs */
+ struct neo_uart_struct __iomem *ch_neo_uart; /* NEO card */
+ struct cls_uart_struct __iomem *ch_cls_uart; /* Classic card */
+
u8 ch_cached_lsr; /* Cached value of the LSR register */
u8 *ch_rqueue; /* Our read queue buffer - malloc'ed */
@@ -254,6 +256,60 @@ struct jsm_channel {
u64 ch_xoff_sends; /* Count of xoffs transmitted */
};
+/************************************************************************
+ * Per channel/port Classic UART structures *
+ ************************************************************************
+ * Base Structure Entries Usage Meanings to Host *
+ * *
+ * W = read write R = read only *
+ * U = Unused. *
+ ************************************************************************/
+
+struct cls_uart_struct {
+ u8 txrx; /* WR RHR/THR - Holding Reg */
+ u8 ier; /* WR IER - Interrupt Enable Reg */
+ u8 isr_fcr; /* WR ISR/FCR - Interrupt Status Reg/Fifo Control Reg*/
+ u8 lcr; /* WR LCR - Line Control Reg */
+ u8 mcr; /* WR MCR - Modem Control Reg */
+ u8 lsr; /* WR LSR - Line Status Reg */
+ u8 msr; /* WR MSR - Modem Status Reg */
+ u8 spr; /* WR SPR - Scratch Pad Reg */
+};
+
+/* Where to read the interrupt register (8bits) */
+#define UART_CLASSIC_POLL_ADDR_OFFSET 0x40
+
+#define UART_EXAR654_ENHANCED_REGISTER_SET 0xBF
+
+#define UART_16654_FCR_TXTRIGGER_8 0x0
+#define UART_16654_FCR_TXTRIGGER_16 0x10
+#define UART_16654_FCR_TXTRIGGER_32 0x20
+#define UART_16654_FCR_TXTRIGGER_56 0x30
+
+#define UART_16654_FCR_RXTRIGGER_8 0x0
+#define UART_16654_FCR_RXTRIGGER_16 0x40
+#define UART_16654_FCR_RXTRIGGER_56 0x80
+#define UART_16654_FCR_RXTRIGGER_60 0xC0
+
+#define UART_IIR_CTSRTS 0x20 /* Received CTS/RTS change of state */
+#define UART_IIR_RDI_TIMEOUT 0x0C /* Receiver data TIMEOUT */
+
+/*
+ * These are the EXTENDED definitions for the Exar 654's Interrupt
+ * Enable Register.
+ */
+#define UART_EXAR654_EFR_ECB 0x10 /* Enhanced control bit */
+#define UART_EXAR654_EFR_IXON 0x2 /* Receiver compares Xon1/Xoff1 */
+#define UART_EXAR654_EFR_IXOFF 0x8 /* Transmit Xon1/Xoff1 */
+#define UART_EXAR654_EFR_RTSDTR 0x40 /* Auto RTS/DTR Flow Control Enable */
+#define UART_EXAR654_EFR_CTSDSR 0x80 /* Auto CTS/DSR Flow COntrol Enable */
+
+#define UART_EXAR654_XOFF_DETECT 0x1 /* Indicates whether chip saw an incoming XOFF char */
+#define UART_EXAR654_XON_DETECT 0x2 /* Indicates whether chip saw an incoming XON char */
+
+#define UART_EXAR654_IER_XOFF 0x20 /* Xoff Interrupt Enable */
+#define UART_EXAR654_IER_RTSDTR 0x40 /* Output Interrupt Enable */
+#define UART_EXAR654_IER_CTSDSR 0x80 /* Input Interrupt Enable */
/************************************************************************
* Per channel/port NEO UART structure *
@@ -374,6 +430,7 @@ struct neo_uart_struct {
*/
extern struct uart_driver jsm_uart_driver;
extern struct board_ops jsm_neo_ops;
+extern struct board_ops jsm_cls_ops;
extern int jsm_debug;
/*************************************************************************