| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ | 
|  | 2 | /* | 
|  | 3 | * icom.h | 
|  | 4 | * | 
|  | 5 | * Copyright (C) 2001 Michael Anderson, IBM Corporation | 
|  | 6 | * | 
|  | 7 | * Serial device driver include file. | 
|  | 8 | */ | 
|  | 9 |  | 
|  | 10 | #include <linux/serial_core.h> | 
|  | 11 |  | 
|  | 12 | #define BAUD_TABLE_LIMIT	((sizeof(icom_acfg_baud)/sizeof(int)) - 1) | 
|  | 13 | static int icom_acfg_baud[] = { | 
|  | 14 | 300, | 
|  | 15 | 600, | 
|  | 16 | 900, | 
|  | 17 | 1200, | 
|  | 18 | 1800, | 
|  | 19 | 2400, | 
|  | 20 | 3600, | 
|  | 21 | 4800, | 
|  | 22 | 7200, | 
|  | 23 | 9600, | 
|  | 24 | 14400, | 
|  | 25 | 19200, | 
|  | 26 | 28800, | 
|  | 27 | 38400, | 
|  | 28 | 57600, | 
|  | 29 | 76800, | 
|  | 30 | 115200, | 
|  | 31 | 153600, | 
|  | 32 | 230400, | 
|  | 33 | 307200, | 
|  | 34 | 460800, | 
|  | 35 | }; | 
|  | 36 |  | 
|  | 37 | struct icom_regs { | 
|  | 38 | u32 control;		/* Adapter Control Register     */ | 
|  | 39 | u32 interrupt;		/* Adapter Interrupt Register   */ | 
|  | 40 | u32 int_mask;		/* Adapter Interrupt Mask Reg   */ | 
|  | 41 | u32 int_pri;		/* Adapter Interrupt Priority r */ | 
|  | 42 | u32 int_reg_b;		/* Adapter non-masked Interrupt */ | 
|  | 43 | u32 resvd01; | 
|  | 44 | u32 resvd02; | 
|  | 45 | u32 resvd03; | 
|  | 46 | u32 control_2;		/* Adapter Control Register 2   */ | 
|  | 47 | u32 interrupt_2;	/* Adapter Interrupt Register 2 */ | 
|  | 48 | u32 int_mask_2;		/* Adapter Interrupt Mask 2     */ | 
|  | 49 | u32 int_pri_2;		/* Adapter Interrupt Prior 2    */ | 
|  | 50 | u32 int_reg_2b;		/* Adapter non-masked 2         */ | 
|  | 51 | }; | 
|  | 52 |  | 
|  | 53 | struct func_dram { | 
|  | 54 | u32 reserved[108];	/* 0-1B0   reserved by personality code */ | 
|  | 55 | u32 RcvStatusAddr;	/* 1B0-1B3 Status Address for Next rcv */ | 
|  | 56 | u8 RcvStnAddr;		/* 1B4     Receive Station Addr */ | 
|  | 57 | u8 IdleState;		/* 1B5     Idle State */ | 
|  | 58 | u8 IdleMonitor;		/* 1B6     Idle Monitor */ | 
|  | 59 | u8 FlagFillIdleTimer;	/* 1B7     Flag Fill Idle Timer */ | 
|  | 60 | u32 XmitStatusAddr;	/* 1B8-1BB Transmit Status Address */ | 
|  | 61 | u8 StartXmitCmd;	/* 1BC     Start Xmit Command */ | 
|  | 62 | u8 HDLCConfigReg;	/* 1BD     Reserved */ | 
|  | 63 | u8 CauseCode;		/* 1BE     Cause code for fatal error */ | 
|  | 64 | u8 xchar;		/* 1BF     High priority send */ | 
|  | 65 | u32 reserved3;		/* 1C0-1C3 Reserved */ | 
|  | 66 | u8 PrevCmdReg;		/* 1C4     Reserved */ | 
|  | 67 | u8 CmdReg;		/* 1C5     Command Register */ | 
|  | 68 | u8 async_config2;	/* 1C6     Async Config Byte 2 */ | 
|  | 69 | u8 async_config3;	/* 1C7     Async Config Byte 3 */ | 
|  | 70 | u8 dce_resvd[20];	/* 1C8-1DB DCE Rsvd           */ | 
|  | 71 | u8 dce_resvd21;		/* 1DC     DCE Rsvd (21st byte */ | 
|  | 72 | u8 misc_flags;		/* 1DD     misc flags         */ | 
|  | 73 | #define V2_HARDWARE     0x40 | 
|  | 74 | #define ICOM_HDW_ACTIVE 0x01 | 
|  | 75 | u8 call_length;		/* 1DE     Phone #/CFI buff ln */ | 
|  | 76 | u8 call_length2;	/* 1DF     Upper byte (unused) */ | 
|  | 77 | u32 call_addr;		/* 1E0-1E3 Phn #/CFI buff addr */ | 
|  | 78 | u16 timer_value;	/* 1E4-1E5 general timer value */ | 
|  | 79 | u8 timer_command;	/* 1E6     general timer cmd  */ | 
|  | 80 | u8 dce_command;		/* 1E7     dce command reg    */ | 
|  | 81 | u8 dce_cmd_status;	/* 1E8     dce command stat   */ | 
|  | 82 | u8 x21_r1_ioff;		/* 1E9     dce ready counter  */ | 
|  | 83 | u8 x21_r0_ioff;		/* 1EA     dce not ready ctr  */ | 
|  | 84 | u8 x21_ralt_ioff;	/* 1EB     dce CNR counter    */ | 
|  | 85 | u8 x21_r1_ion;		/* 1EC     dce ready I on ctr */ | 
|  | 86 | u8 rsvd_ier;		/* 1ED     Rsvd for IER (if ne */ | 
|  | 87 | u8 ier;			/* 1EE     Interrupt Enable   */ | 
|  | 88 | u8 isr;			/* 1EF     Input Signal Reg   */ | 
|  | 89 | u8 osr;			/* 1F0     Output Signal Reg  */ | 
|  | 90 | u8 reset;		/* 1F1     Reset/Reload Reg   */ | 
|  | 91 | u8 disable;		/* 1F2     Disable Reg        */ | 
|  | 92 | u8 sync;		/* 1F3     Sync Reg           */ | 
|  | 93 | u8 error_stat;		/* 1F4     Error Status       */ | 
|  | 94 | u8 cable_id;		/* 1F5     Cable ID           */ | 
|  | 95 | u8 cs_length;		/* 1F6     CS Load Length     */ | 
|  | 96 | u8 mac_length;		/* 1F7     Mac Load Length    */ | 
|  | 97 | u32 cs_load_addr;	/* 1F8-1FB Call Load PCI Addr */ | 
|  | 98 | u32 mac_load_addr;	/* 1FC-1FF Mac Load PCI Addr  */ | 
|  | 99 | }; | 
|  | 100 |  | 
|  | 101 | /* | 
|  | 102 | * adapter defines and structures | 
|  | 103 | */ | 
|  | 104 | #define ICOM_CONTROL_START_A         0x00000008 | 
|  | 105 | #define ICOM_CONTROL_STOP_A          0x00000004 | 
|  | 106 | #define ICOM_CONTROL_START_B         0x00000002 | 
|  | 107 | #define ICOM_CONTROL_STOP_B          0x00000001 | 
|  | 108 | #define ICOM_CONTROL_START_C         0x00000008 | 
|  | 109 | #define ICOM_CONTROL_STOP_C          0x00000004 | 
|  | 110 | #define ICOM_CONTROL_START_D         0x00000002 | 
|  | 111 | #define ICOM_CONTROL_STOP_D          0x00000001 | 
|  | 112 | #define ICOM_IRAM_OFFSET             0x1000 | 
|  | 113 | #define ICOM_IRAM_SIZE               0x0C00 | 
|  | 114 | #define ICOM_DCE_IRAM_OFFSET         0x0A00 | 
|  | 115 | #define ICOM_CABLE_ID_VALID          0x01 | 
|  | 116 | #define ICOM_CABLE_ID_MASK           0xF0 | 
|  | 117 | #define ICOM_DISABLE                 0x80 | 
|  | 118 | #define CMD_XMIT_RCV_ENABLE          0xC0 | 
|  | 119 | #define CMD_XMIT_ENABLE              0x40 | 
|  | 120 | #define CMD_RCV_DISABLE              0x00 | 
|  | 121 | #define CMD_RCV_ENABLE               0x80 | 
|  | 122 | #define CMD_RESTART                  0x01 | 
|  | 123 | #define CMD_HOLD_XMIT                0x02 | 
|  | 124 | #define CMD_SND_BREAK                0x04 | 
|  | 125 | #define RS232_CABLE                  0x06 | 
|  | 126 | #define V24_CABLE                    0x0E | 
|  | 127 | #define V35_CABLE                    0x0C | 
|  | 128 | #define V36_CABLE                    0x02 | 
|  | 129 | #define NO_CABLE                     0x00 | 
|  | 130 | #define START_DOWNLOAD               0x80 | 
|  | 131 | #define ICOM_INT_MASK_PRC_A          0x00003FFF | 
|  | 132 | #define ICOM_INT_MASK_PRC_B          0x3FFF0000 | 
|  | 133 | #define ICOM_INT_MASK_PRC_C          0x00003FFF | 
|  | 134 | #define ICOM_INT_MASK_PRC_D          0x3FFF0000 | 
|  | 135 | #define INT_RCV_COMPLETED            0x1000 | 
|  | 136 | #define INT_XMIT_COMPLETED           0x2000 | 
|  | 137 | #define INT_IDLE_DETECT              0x0800 | 
|  | 138 | #define INT_RCV_DISABLED             0x0400 | 
|  | 139 | #define INT_XMIT_DISABLED            0x0200 | 
|  | 140 | #define INT_RCV_XMIT_SHUTDOWN        0x0100 | 
|  | 141 | #define INT_FATAL_ERROR              0x0080 | 
|  | 142 | #define INT_CABLE_PULL               0x0020 | 
|  | 143 | #define INT_SIGNAL_CHANGE            0x0010 | 
|  | 144 | #define HDLC_PPP_PURE_ASYNC          0x02 | 
|  | 145 | #define HDLC_FF_FILL                 0x00 | 
|  | 146 | #define HDLC_HDW_FLOW                0x01 | 
|  | 147 | #define START_XMIT                   0x80 | 
|  | 148 | #define ICOM_ACFG_DRIVE1             0x20 | 
|  | 149 | #define ICOM_ACFG_NO_PARITY          0x00 | 
|  | 150 | #define ICOM_ACFG_PARITY_ENAB        0x02 | 
|  | 151 | #define ICOM_ACFG_PARITY_ODD         0x01 | 
|  | 152 | #define ICOM_ACFG_8BPC               0x00 | 
|  | 153 | #define ICOM_ACFG_7BPC               0x04 | 
|  | 154 | #define ICOM_ACFG_6BPC               0x08 | 
|  | 155 | #define ICOM_ACFG_5BPC               0x0C | 
|  | 156 | #define ICOM_ACFG_1STOP_BIT          0x00 | 
|  | 157 | #define ICOM_ACFG_2STOP_BIT          0x10 | 
|  | 158 | #define ICOM_DTR                     0x80 | 
|  | 159 | #define ICOM_RTS                     0x40 | 
|  | 160 | #define ICOM_RI                      0x08 | 
|  | 161 | #define ICOM_DSR                     0x80 | 
|  | 162 | #define ICOM_DCD                     0x20 | 
|  | 163 | #define ICOM_CTS                     0x40 | 
|  | 164 |  | 
|  | 165 | #define NUM_XBUFFS 1 | 
|  | 166 | #define NUM_RBUFFS 2 | 
|  | 167 | #define RCV_BUFF_SZ 0x0200 | 
|  | 168 | #define XMIT_BUFF_SZ 0x1000 | 
|  | 169 | struct statusArea { | 
|  | 170 | /**********************************************/ | 
|  | 171 | /* Transmit Status Area                       */ | 
|  | 172 | /**********************************************/ | 
|  | 173 | struct xmit_status_area{ | 
|  | 174 | u32 leNext;	/* Next entry in Little Endian on Adapter */ | 
|  | 175 | u32 leNextASD; | 
|  | 176 | u32 leBuffer;	/* Buffer for entry in LE for Adapter */ | 
|  | 177 | u16 leLengthASD; | 
|  | 178 | u16 leOffsetASD; | 
|  | 179 | u16 leLength;	/* Length of data in segment */ | 
|  | 180 | u16 flags; | 
|  | 181 | #define SA_FLAGS_DONE           0x0080	/* Done with Segment */ | 
|  | 182 | #define SA_FLAGS_CONTINUED      0x8000	/* More Segments */ | 
|  | 183 | #define SA_FLAGS_IDLE           0x4000	/* Mark IDLE after frm */ | 
|  | 184 | #define SA_FLAGS_READY_TO_XMIT  0x0800 | 
|  | 185 | #define SA_FLAGS_STAT_MASK      0x007F | 
|  | 186 | } xmit[NUM_XBUFFS]; | 
|  | 187 |  | 
|  | 188 | /**********************************************/ | 
|  | 189 | /* Receive Status Area                        */ | 
|  | 190 | /**********************************************/ | 
|  | 191 | struct { | 
|  | 192 | u32 leNext;	/* Next entry in Little Endian on Adapter */ | 
|  | 193 | u32 leNextASD; | 
|  | 194 | u32 leBuffer;	/* Buffer for entry in LE for Adapter */ | 
|  | 195 | u16 WorkingLength;	/* size of segment */ | 
|  | 196 | u16 reserv01; | 
|  | 197 | u16 leLength;	/* Length of data in segment */ | 
|  | 198 | u16 flags; | 
|  | 199 | #define SA_FL_RCV_DONE           0x0010	/* Data ready */ | 
|  | 200 | #define SA_FLAGS_OVERRUN         0x0040 | 
|  | 201 | #define SA_FLAGS_PARITY_ERROR    0x0080 | 
|  | 202 | #define SA_FLAGS_FRAME_ERROR     0x0001 | 
|  | 203 | #define SA_FLAGS_FRAME_TRUNC     0x0002 | 
|  | 204 | #define SA_FLAGS_BREAK_DET       0x0004	/* set conditionally by device driver, not hardware */ | 
|  | 205 | #define SA_FLAGS_RCV_MASK        0xFFE6 | 
|  | 206 | } rcv[NUM_RBUFFS]; | 
|  | 207 | }; | 
|  | 208 |  | 
|  | 209 | struct icom_adapter; | 
|  | 210 |  | 
|  | 211 |  | 
|  | 212 | #define ICOM_MAJOR       243 | 
|  | 213 | #define ICOM_MINOR_START 0 | 
|  | 214 |  | 
|  | 215 | struct icom_port { | 
|  | 216 | struct uart_port uart_port; | 
|  | 217 | u8 imbed_modem; | 
|  | 218 | #define ICOM_UNKNOWN		1 | 
|  | 219 | #define ICOM_RVX		2 | 
|  | 220 | #define ICOM_IMBED_MODEM	3 | 
|  | 221 | unsigned char cable_id; | 
|  | 222 | unsigned char read_status_mask; | 
|  | 223 | unsigned char ignore_status_mask; | 
|  | 224 | void __iomem * int_reg; | 
|  | 225 | struct icom_regs __iomem *global_reg; | 
|  | 226 | struct func_dram __iomem *dram; | 
|  | 227 | int port; | 
|  | 228 | struct statusArea *statStg; | 
|  | 229 | dma_addr_t statStg_pci; | 
|  | 230 | u32 *xmitRestart; | 
|  | 231 | dma_addr_t xmitRestart_pci; | 
|  | 232 | unsigned char *xmit_buf; | 
|  | 233 | dma_addr_t xmit_buf_pci; | 
|  | 234 | unsigned char *recv_buf; | 
|  | 235 | dma_addr_t recv_buf_pci; | 
|  | 236 | int next_rcv; | 
|  | 237 | int put_length; | 
|  | 238 | int status; | 
|  | 239 | #define ICOM_PORT_ACTIVE	1	/* Port exists. */ | 
|  | 240 | #define ICOM_PORT_OFF		0	/* Port does not exist. */ | 
|  | 241 | int load_in_progress; | 
|  | 242 | struct icom_adapter *adapter; | 
|  | 243 | }; | 
|  | 244 |  | 
|  | 245 | struct icom_adapter { | 
|  | 246 | void __iomem * base_addr; | 
|  | 247 | unsigned long base_addr_pci; | 
|  | 248 | struct pci_dev *pci_dev; | 
|  | 249 | struct icom_port port_info[4]; | 
|  | 250 | int index; | 
|  | 251 | int version; | 
|  | 252 | #define ADAPTER_V1	0x0001 | 
|  | 253 | #define ADAPTER_V2	0x0002 | 
|  | 254 | u32 subsystem_id; | 
|  | 255 | #define FOUR_PORT_MODEL				0x0252 | 
|  | 256 | #define V2_TWO_PORTS_RVX			0x021A | 
|  | 257 | #define V2_ONE_PORT_RVX_ONE_PORT_IMBED_MDM	0x0251 | 
|  | 258 | int numb_ports; | 
|  | 259 | struct list_head icom_adapter_entry; | 
|  | 260 | struct kref kref; | 
|  | 261 | }; | 
|  | 262 |  | 
|  | 263 | /* prototype */ | 
|  | 264 | extern void iCom_sercons_init(void); | 
|  | 265 |  | 
|  | 266 | struct lookup_proc_table { | 
|  | 267 | u32	__iomem *global_control_reg; | 
|  | 268 | unsigned long	processor_id; | 
|  | 269 | }; | 
|  | 270 |  | 
|  | 271 | struct lookup_int_table { | 
|  | 272 | u32	__iomem *global_int_mask; | 
|  | 273 | unsigned long	processor_id; | 
|  | 274 | }; |