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/*
* icom.h
*
* Copyright (C) 2001 Michael Anderson, IBM Corporation
*
* Serial device driver include file.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the 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
*/
#include <linux/serial_core.h>
#define BAUD_TABLE_LIMIT ((sizeof(icom_acfg_baud)/sizeof(int)) - 1)
static int icom_acfg_baud[] = {
300,
600,
900,
1200,
1800,
2400,
3600,
4800,
7200,
9600,
14400,
19200,
28800,
38400,
57600,
76800,
115200,
153600,
230400,
307200,
460800,
};
struct icom_regs {
u32 control; /* Adapter Control Register */
u32 interrupt; /* Adapter Interrupt Register */
u32 int_mask; /* Adapter Interrupt Mask Reg */
u32 int_pri; /* Adapter Interrupt Priority r */
u32 int_reg_b; /* Adapter non-masked Interrupt */
u32 resvd01;
u32 resvd02;
u32 resvd03;
u32 control_2; /* Adapter Control Register 2 */
u32 interrupt_2; /* Adapter Interrupt Register 2 */
u32 int_mask_2; /* Adapter Interrupt Mask 2 */
u32 int_pri_2; /* Adapter Interrupt Prior 2 */
u32 int_reg_2b; /* Adapter non-masked 2 */
};
struct func_dram {
u32 reserved[108]; /* 0-1B0 reserved by personality code */
u32 RcvStatusAddr; /* 1B0-1B3 Status Address for Next rcv */
u8 RcvStnAddr; /* 1B4 Receive Station Addr */
u8 IdleState; /* 1B5 Idle State */
u8 IdleMonitor; /* 1B6 Idle Monitor */
u8 FlagFillIdleTimer; /* 1B7 Flag Fill Idle Timer */
u32 XmitStatusAddr; /* 1B8-1BB Transmit Status Address */
u8 StartXmitCmd; /* 1BC Start Xmit Command */
u8 HDLCConfigReg; /* 1BD Reserved */
u8 CauseCode; /* 1BE Cause code for fatal error */
u8 xchar; /* 1BF High priority send */
u32 reserved3; /* 1C0-1C3 Reserved */
u8 PrevCmdReg; /* 1C4 Reserved */
u8 CmdReg; /* 1C5 Command Register */
u8 async_config2; /* 1C6 Async Config Byte 2 */
u8 async_config3; /* 1C7 Async Config Byte 3 */
u8 dce_resvd[20]; /* 1C8-1DB DCE Rsvd */
u8 dce_resvd21; /* 1DC DCE Rsvd (21st byte */
u8 misc_flags; /* 1DD misc flags */
#define V2_HARDWARE 0x40
#define ICOM_HDW_ACTIVE 0x01
u8 call_length; /* 1DE Phone #/CFI buff ln */
u8 call_length2; /* 1DF Upper byte (unused) */
u32 call_addr; /* 1E0-1E3 Phn #/CFI buff addr */
u16 timer_value; /* 1E4-1E5 general timer value */
u8 timer_command; /* 1E6 general timer cmd */
u8 dce_command; /* 1E7 dce command reg */
u8 dce_cmd_status; /* 1E8 dce command stat */
u8 x21_r1_ioff; /* 1E9 dce ready counter */
u8 x21_r0_ioff; /* 1EA dce not ready ctr */
u8 x21_ralt_ioff; /* 1EB dce CNR counter */
u8 x21_r1_ion; /* 1EC dce ready I on ctr */
u8 rsvd_ier; /* 1ED Rsvd for IER (if ne */
u8 ier; /* 1EE Interrupt Enable */
u8 isr; /* 1EF Input Signal Reg */
u8 osr; /* 1F0 Output Signal Reg */
u8 reset; /* 1F1 Reset/Reload Reg */
u8 disable; /* 1F2 Disable Reg */
u8 sync; /* 1F3 Sync Reg */
u8 error_stat; /* 1F4 Error Status */
u8 cable_id; /* 1F5 Cable ID */
u8 cs_length; /* 1F6 CS Load Length */
u8 mac_length; /* 1F7 Mac Load Length */
u32 cs_load_addr; /* 1F8-1FB Call Load PCI Addr */
u32 mac_load_addr; /* 1FC-1FF Mac Load PCI Addr */
};
/*
* adapter defines and structures
*/
#define ICOM_CONTROL_START_A 0x00000008
#define ICOM_CONTROL_STOP_A 0x00000004
#define ICOM_CONTROL_START_B 0x00000002
#define ICOM_CONTROL_STOP_B 0x00000001
#define ICOM_CONTROL_START_C 0x00000008
#define ICOM_CONTROL_STOP_C 0x00000004
#define ICOM_CONTROL_START_D 0x00000002
#define ICOM_CONTROL_STOP_D 0x00000001
#define ICOM_IRAM_OFFSET 0x1000
#define ICOM_IRAM_SIZE 0x0C00
#define ICOM_DCE_IRAM_OFFSET 0x0A00
#define ICOM_CABLE_ID_VALID 0x01
#define ICOM_CABLE_ID_MASK 0xF0
#define ICOM_DISABLE 0x80
#define CMD_XMIT_RCV_ENABLE 0xC0
#define CMD_XMIT_ENABLE 0x40
#define CMD_RCV_DISABLE 0x00
#define CMD_RCV_ENABLE 0x80
#define CMD_RESTART 0x01
#define CMD_HOLD_XMIT 0x02
#define CMD_SND_BREAK 0x04
#define RS232_CABLE 0x06
#define V24_CABLE 0x0E
#define V35_CABLE 0x0C
#define V36_CABLE 0x02
#define NO_CABLE 0x00
#define START_DOWNLOAD 0x80
#define ICOM_INT_MASK_PRC_A 0x00003FFF
#define ICOM_INT_MASK_PRC_B 0x3FFF0000
#define ICOM_INT_MASK_PRC_C 0x00003FFF
#define ICOM_INT_MASK_PRC_D 0x3FFF0000
#define INT_RCV_COMPLETED 0x1000
#define INT_XMIT_COMPLETED 0x2000
#define INT_IDLE_DETECT 0x0800
#define INT_RCV_DISABLED 0x0400
#define INT_XMIT_DISABLED 0x0200
#define INT_RCV_XMIT_SHUTDOWN 0x0100
#define INT_FATAL_ERROR 0x0080
#define INT_CABLE_PULL 0x0020
#define INT_SIGNAL_CHANGE 0x0010
#define HDLC_PPP_PURE_ASYNC 0x02
#define HDLC_FF_FILL 0x00
#define HDLC_HDW_FLOW 0x01
#define START_XMIT 0x80
#define ICOM_ACFG_DRIVE1 0x20
#define ICOM_ACFG_NO_PARITY 0x00
#define ICOM_ACFG_PARITY_ENAB 0x02
#define ICOM_ACFG_PARITY_ODD 0x01
#define ICOM_ACFG_8BPC 0x00
#define ICOM_ACFG_7BPC 0x04
#define ICOM_ACFG_6BPC 0x08
#define ICOM_ACFG_5BPC 0x0C
#define ICOM_ACFG_1STOP_BIT 0x00
#define ICOM_ACFG_2STOP_BIT 0x10
#define ICOM_DTR 0x80
#define ICOM_RTS 0x40
#define ICOM_RI 0x08
#define ICOM_DSR 0x80
#define ICOM_DCD 0x20
#define ICOM_CTS 0x40
#define NUM_XBUFFS 1
#define NUM_RBUFFS 2
#define RCV_BUFF_SZ 0x0200
#define XMIT_BUFF_SZ 0x1000
struct statusArea {
/**********************************************/
/* Transmit Status Area */
/**********************************************/
struct xmit_status_area{
u32 leNext; /* Next entry in Little Endian on Adapter */
u32 leNextASD;
u32 leBuffer; /* Buffer for entry in LE for Adapter */
u16 leLengthASD;
u16 leOffsetASD;
u16 leLength; /* Length of data in segment */
u16 flags;
#define SA_FLAGS_DONE 0x0080 /* Done with Segment */
#define SA_FLAGS_CONTINUED 0x8000 /* More Segments */
#define SA_FLAGS_IDLE 0x4000 /* Mark IDLE after frm */
#define SA_FLAGS_READY_TO_XMIT 0x0800
#define SA_FLAGS_STAT_MASK 0x007F
} xmit[NUM_XBUFFS];
/**********************************************/
/* Receive Status Area */
/**********************************************/
struct {
u32 leNext; /* Next entry in Little Endian on Adapter */
u32 leNextASD;
u32 leBuffer; /* Buffer for entry in LE for Adapter */
u16 WorkingLength; /* size of segment */
u16 reserv01;
u16 leLength; /* Length of data in segment */
u16 flags;
#define SA_FL_RCV_DONE 0x0010 /* Data ready */
#define SA_FLAGS_OVERRUN 0x0040
#define SA_FLAGS_PARITY_ERROR 0x0080
#define SA_FLAGS_FRAME_ERROR 0x0001
#define SA_FLAGS_FRAME_TRUNC 0x0002
#define SA_FLAGS_BREAK_DET 0x0004 /* set conditionally by device driver, not hardware */
#define SA_FLAGS_RCV_MASK 0xFFE6
} rcv[NUM_RBUFFS];
};
struct icom_adapter;
#define ICOM_MAJOR 243
#define ICOM_MINOR_START 0
struct icom_port {
struct uart_port uart_port;
u8 imbed_modem;
#define ICOM_UNKNOWN 1
#define ICOM_RVX 2
#define ICOM_IMBED_MODEM 3
unsigned char cable_id;
unsigned char read_status_mask;
unsigned char ignore_status_mask;
void __iomem * int_reg;
struct icom_regs __iomem *global_reg;
struct func_dram __iomem *dram;
int port;
struct statusArea *statStg;
dma_addr_t statStg_pci;
u32 *xmitRestart;
dma_addr_t xmitRestart_pci;
unsigned char *xmit_buf;
dma_addr_t xmit_buf_pci;
unsigned char *recv_buf;
dma_addr_t recv_buf_pci;
int next_rcv;
int put_length;
int status;
#define ICOM_PORT_ACTIVE 1 /* Port exists. */
#define ICOM_PORT_OFF 0 /* Port does not exist. */
int load_in_progress;
struct icom_adapter *adapter;
};
struct icom_adapter {
void __iomem * base_addr;
unsigned long base_addr_pci;
struct pci_dev *pci_dev;
struct icom_port port_info[4];
int index;
int version;
#define ADAPTER_V1 0x0001
#define ADAPTER_V2 0x0002
u32 subsystem_id;
#define FOUR_PORT_MODEL 0x0252
#define V2_TWO_PORTS_RVX 0x021A
#define V2_ONE_PORT_RVX_ONE_PORT_IMBED_MDM 0x0251
int numb_ports;
struct list_head icom_adapter_entry;
struct kref kref;
};
/* prototype */
extern void iCom_sercons_init(void);
struct lookup_proc_table {
u32 __iomem *global_control_reg;
unsigned long processor_id;
};
struct lookup_int_table {
u32 __iomem *global_int_mask;
unsigned long processor_id;
};
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