diff options
Diffstat (limited to 'drivers/tty/serial/jsm/jsm.h')
| -rw-r--r-- | drivers/tty/serial/jsm/jsm.h | 101 |
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; /************************************************************************* |