/* * 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; unsigned char irq_number; 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 kobject kobj; }; /* 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; }; #define MSECS_TO_JIFFIES(ms) (((ms)*HZ+999)/1000)