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@@ -63,8 +63,405 @@
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#define KERNEL_2_6 1
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#include <linux/usb/serial.h>
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-#include "aten2011.h" /* ATEN2011 Defines */
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-#include "aten2011_16C50.h" /* 16C50 UART defines */
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+
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+#define MAX_RS232_PORTS 2 /* Max # of RS-232 ports per device */
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+
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+#include <linux/version.h>
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+
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+/*
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+ * All typedef goes here
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+ */
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+
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+
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+/* typedefs that the insideout headers need */
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+
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+#ifndef TRUE
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+ #define TRUE (1)
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+#endif
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+
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+#ifndef FALSE
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+ #define FALSE (0)
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+#endif
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+
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+#ifndef LOW8
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+ #define LOW8(val) ((unsigned char)(val & 0xff))
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+#endif
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+
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+#ifndef HIGH8
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+ #define HIGH8(val) ((unsigned char)((val & 0xff00) >> 8))
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+#endif
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+
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+#ifndef NUM_ENTRIES
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+ #define NUM_ENTRIES(x) (sizeof(x)/sizeof((x)[0]))
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+#endif
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+
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+#define MAX_SERIALNUMBER_LEN 12
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+
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+/* The following table is used to map the USBx port number to
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+ * the device serial number (or physical USB path), */
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+
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+#define MAX_ATENPORTS 2
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+#define MAX_NAME_LEN 64
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+
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+#define RAID_REG1 0x30
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+#define RAID_REG2 0x31
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+
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+#define ZLP_REG1 0x3A //Zero_Flag_Reg1 58
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+#define ZLP_REG2 0x3B //Zero_Flag_Reg2 59
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+#define ZLP_REG3 0x3C //Zero_Flag_Reg3 60
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+#define ZLP_REG4 0x3D //Zero_Flag_Reg4 61
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+#define ZLP_REG5 0x3E //Zero_Flag_Reg5 62
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+
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+#define THRESHOLD_VAL_SP1_1 0x3F
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+#define THRESHOLD_VAL_SP1_2 0x40
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+#define THRESHOLD_VAL_SP2_1 0x41
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+#define THRESHOLD_VAL_SP2_2 0x42
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+
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+#define THRESHOLD_VAL_SP3_1 0x43
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+#define THRESHOLD_VAL_SP3_2 0x44
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+#define THRESHOLD_VAL_SP4_1 0x45
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+#define THRESHOLD_VAL_SP4_2 0x46
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+
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+
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+/* For higher baud Rates use TIOCEXBAUD */
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+#define TIOCEXBAUD 0x5462
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+
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+#define BAUD_1152 0 /* 115200bps * 1 */
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+#define BAUD_2304 1 /* 230400bps * 2 */
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+#define BAUD_4032 2 /* 403200bps * 3.5 */
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+#define BAUD_4608 3 /* 460800bps * 4 */
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+#define BAUD_8064 4 /* 806400bps * 7 */
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+#define BAUD_9216 5 /* 921600bps * 8 */
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+
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+#define CHASE_TIMEOUT (5*HZ) /* 5 seconds */
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+#define OPEN_TIMEOUT (5*HZ) /* 5 seconds */
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+#define COMMAND_TIMEOUT (5*HZ) /* 5 seconds */
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+
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+#ifndef SERIAL_MAGIC
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+ #define SERIAL_MAGIC 0x6702
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+#endif
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+
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+#define PORT_MAGIC 0x7301
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+
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+
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+
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+/* vendor id and device id defines */
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+
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+#define USB_VENDOR_ID_ATENINTL 0x0557
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+#define ATENINTL_DEVICE_ID_2011 0x2011
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+#define ATENINTL_DEVICE_ID_7820 0x7820
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+
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+/* Product information read from the ATENINTL. Provided for later upgrade */
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+
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+/* Interrupt Rotinue Defines */
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+
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+#define SERIAL_IIR_RLS 0x06
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+#define SERIAL_IIR_RDA 0x04
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+#define SERIAL_IIR_CTI 0x0c
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+#define SERIAL_IIR_THR 0x02
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+#define SERIAL_IIR_MS 0x00
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+
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+/*
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+ * Emulation of the bit mask on the LINE STATUS REGISTER.
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+ */
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+#define SERIAL_LSR_DR 0x0001
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+#define SERIAL_LSR_OE 0x0002
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+#define SERIAL_LSR_PE 0x0004
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+#define SERIAL_LSR_FE 0x0008
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+#define SERIAL_LSR_BI 0x0010
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+#define SERIAL_LSR_THRE 0x0020
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+#define SERIAL_LSR_TEMT 0x0040
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+#define SERIAL_LSR_FIFOERR 0x0080
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+
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+//MSR bit defines(place holders)
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+#define ATEN_MSR_CTS 0x01
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+#define ATEN_MSR_DSR 0x02
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+#define ATEN_MSR_RI 0x04
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+#define ATEN_MSR_CD 0x08
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+#define ATEN_MSR_DELTA_CTS 0x10
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+#define ATEN_MSR_DELTA_DSR 0x20
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+#define ATEN_MSR_DELTA_RI 0x40
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+#define ATEN_MSR_DELTA_CD 0x80
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+
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+// Serial Port register Address
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+#define RECEIVE_BUFFER_REGISTER ((__u16)(0x00))
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+#define TRANSMIT_HOLDING_REGISTER ((__u16)(0x00))
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+#define INTERRUPT_ENABLE_REGISTER ((__u16)(0x01))
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+#define INTERRUPT_IDENT_REGISTER ((__u16)(0x02))
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+#define FIFO_CONTROL_REGISTER ((__u16)(0x02))
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+#define LINE_CONTROL_REGISTER ((__u16)(0x03))
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+#define MODEM_CONTROL_REGISTER ((__u16)(0x04))
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+#define LINE_STATUS_REGISTER ((__u16)(0x05))
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+#define MODEM_STATUS_REGISTER ((__u16)(0x06))
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+#define SCRATCH_PAD_REGISTER ((__u16)(0x07))
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+#define DIVISOR_LATCH_LSB ((__u16)(0x00))
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+#define DIVISOR_LATCH_MSB ((__u16)(0x01))
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+
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+#define SP_REGISTER_BASE ((__u16)(0x08))
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+#define CONTROL_REGISTER_BASE ((__u16)(0x09))
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+#define DCR_REGISTER_BASE ((__u16)(0x16))
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+
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+#define SP1_REGISTER ((__u16)(0x00))
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+#define CONTROL1_REGISTER ((__u16)(0x01))
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+#define CLK_MULTI_REGISTER ((__u16)(0x02))
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+#define CLK_START_VALUE_REGISTER ((__u16)(0x03))
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+#define DCR1_REGISTER ((__u16)(0x04))
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+#define GPIO_REGISTER ((__u16)(0x07))
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+
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+#define CLOCK_SELECT_REG1 ((__u16)(0x13))
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+#define CLOCK_SELECT_REG2 ((__u16)(0x14))
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+
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+#define SERIAL_LCR_DLAB ((__u16)(0x0080))
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+
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+/*
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+ * URB POOL related defines
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+ */
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+#define NUM_URBS 16 /* URB Count */
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+#define URB_TRANSFER_BUFFER_SIZE 32 /* URB Size */
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+
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+struct ATENINTL_product_info
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+{
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+ __u16 ProductId; /* Product Identifier */
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+ __u8 NumPorts; /* Number of ports on ATENINTL */
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+ __u8 ProdInfoVer; /* What version of structure is this? */
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+
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+ __u32 IsServer :1; /* Set if Server */
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+ __u32 IsRS232 :1; /* Set if RS-232 ports exist */
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+ __u32 IsRS422 :1; /* Set if RS-422 ports exist */
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+ __u32 IsRS485 :1; /* Set if RS-485 ports exist */
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+ __u32 IsReserved :28; /* Reserved for later expansion */
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+
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+ __u8 CpuRev; /* CPU revision level (chg only if s/w visible) */
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+ __u8 BoardRev; /* PCB revision level (chg only if s/w visible) */
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+
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+ __u8 ManufactureDescDate[3]; /* MM/DD/YY when descriptor template was compiled */
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+ __u8 Unused1[1]; /* Available */
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+};
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+
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+// different USB-serial Adapter's ID's table
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+static struct usb_device_id ATENINTL_port_id_table [] = {
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+ { USB_DEVICE(USB_VENDOR_ID_ATENINTL,ATENINTL_DEVICE_ID_2011) },
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+ { USB_DEVICE(USB_VENDOR_ID_ATENINTL,ATENINTL_DEVICE_ID_7820) },
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+ { } /* terminating entry */
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+};
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+
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+static __devinitdata struct usb_device_id id_table_combined [] = {
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+ { USB_DEVICE(USB_VENDOR_ID_ATENINTL,ATENINTL_DEVICE_ID_2011) },
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+ { USB_DEVICE(USB_VENDOR_ID_ATENINTL,ATENINTL_DEVICE_ID_7820) },
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+ { } /* terminating entry */
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+};
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+
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+MODULE_DEVICE_TABLE (usb, id_table_combined);
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+
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+/* This structure holds all of the local port information */
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+struct ATENINTL_port
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+{
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+ int port_num; /*Actual port number in the device(1,2,etc)*/
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+ __u8 bulk_out_endpoint; /* the bulk out endpoint handle */
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+ unsigned char *bulk_out_buffer; /* buffer used for the bulk out endpoint */
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+ struct urb *write_urb; /* write URB for this port */
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+ __u8 bulk_in_endpoint; /* the bulk in endpoint handle */
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+ unsigned char *bulk_in_buffer; /* the buffer we use for the bulk in endpoint */
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+ struct urb *read_urb; /* read URB for this port */
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+ __s16 rxBytesAvail;/*the number of bytes that we need to read from this device */
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+ __s16 rxBytesRemaining; /* the number of port bytes left to read */
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+ char write_in_progress; /* TRUE while a write URB is outstanding */
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+ __u8 shadowLCR; /* last LCR value received */
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+ __u8 shadowMCR; /* last MCR value received */
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+ __u8 shadowMSR; /* last MSR value received */
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+ __u8 shadowLSR; /* last LSR value received */
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+ __u8 shadowXonChar; /* last value set as XON char in ATENINTL */
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+ __u8 shadowXoffChar; /* last value set as XOFF char in ATENINTL */
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+ __u8 validDataMask;
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+ __u32 baudRate;
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+ char open;
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+ char openPending;
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+ char commandPending;
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+ char closePending;
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+ char chaseResponsePending;
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+ wait_queue_head_t wait_chase; /* for handling sleeping while waiting for chase to finish */
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+ wait_queue_head_t wait_open; /* for handling sleeping while waiting for open to finish */
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+ wait_queue_head_t wait_command; /* for handling sleeping while waiting for command to finish */
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+ wait_queue_head_t delta_msr_wait; /* for handling sleeping while waiting for msr change to happen */
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+ int delta_msr_cond;
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+ struct async_icount icount;
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+ struct usb_serial_port *port; /* loop back to the owner of this object */
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+ /*Offsets*/
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+ __u16 AppNum;
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+ __u8 SpRegOffset;
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+ __u8 ControlRegOffset;
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+ __u8 DcrRegOffset;
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+ __u8 ClkSelectRegOffset;
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+ //for processing control URBS in interrupt context
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+ struct urb *control_urb;
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+ // __le16 rx_creg;
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+ char *ctrl_buf;
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+ int MsrLsr;
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+
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+ struct urb *write_urb_pool[NUM_URBS];
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+ /* we pass a pointer to this as the arguement sent to cypress_set_termios old_termios */
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+ struct ktermios tmp_termios; /* stores the old termios settings */
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+ spinlock_t lock; /* private lock */
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+};
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+
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+
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+/* This structure holds all of the individual serial device information */
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+struct ATENINTL_serial
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+{
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+ char name[MAX_NAME_LEN+1]; /* string name of this device */
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+ struct ATENINTL_product_info product_info; /* Product Info */
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+ __u8 interrupt_in_endpoint; /* the interrupt endpoint handle */
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+ unsigned char *interrupt_in_buffer; /* the buffer we use for the interrupt endpoint */
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+ struct urb * interrupt_read_urb; /* our interrupt urb */
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+ __u8 bulk_in_endpoint; /* the bulk in endpoint handle */
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+ unsigned char *bulk_in_buffer; /* the buffer we use for the bulk in endpoint */
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+ struct urb *read_urb; /* our bulk read urb */
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+ __u8 bulk_out_endpoint; /* the bulk out endpoint handle */
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+ __s16 rxBytesAvail; /* the number of bytes that we need to read from this device */
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+ __u8 rxPort; /* the port that we are currently receiving data for */
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+ __u8 rxStatusCode; /* the receive status code */
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+ __u8 rxStatusParam; /* the receive status paramater */
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+ __s16 rxBytesRemaining; /* the number of port bytes left to read */
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+ struct usb_serial *serial; /* loop back to the owner of this object */
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+ int ATEN2011_spectrum_2or4ports; //this says the number of ports in the device
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+ // Indicates about the no.of opened ports of an individual USB-serial adapater.
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+ unsigned int NoOfOpenPorts;
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+ // a flag for Status endpoint polling
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+ unsigned char status_polling_started;
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+};
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+
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+/* baud rate information */
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+struct ATEN2011_divisor_table_entry
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+{
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+ __u32 BaudRate;
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+ __u16 Divisor;
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+};
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+
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+/* Define table of divisors for ATENINTL 2011 hardware *
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+ * These assume a 3.6864MHz crystal, the standard /16, and *
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+ * MCR.7 = 0. */
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+#ifdef NOTATEN2011
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+static struct ATEN2011_divisor_table_entry ATEN2011_divisor_table[] = {
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+ { 50, 2304},
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+ { 110, 1047}, /* 2094.545455 => 230450 => .0217 % over */
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+ { 134, 857}, /* 1713.011152 => 230398.5 => .00065% under */
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+ { 150, 768},
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+ { 300, 384},
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+ { 600, 192},
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+ { 1200, 96},
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+ { 1800, 64},
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+ { 2400, 48},
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+ { 4800, 24},
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+ { 7200, 16},
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+ { 9600, 12},
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+ { 19200, 6},
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+ { 38400, 3},
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+ { 57600, 2},
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+ { 115200, 1},
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+};
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+#endif
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+
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+/* local function prototypes */
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+/* function prototypes for all URB callbacks */
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+static void ATEN2011_interrupt_callback(struct urb *urb);
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+static void ATEN2011_bulk_in_callback(struct urb *urb);
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+static void ATEN2011_bulk_out_data_callback(struct urb *urb);
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+static void ATEN2011_control_callback(struct urb *urb);
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+static int ATEN2011_get_reg(struct ATENINTL_port *ATEN,__u16 Wval, __u16 reg, __u16 * val);
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+int handle_newMsr(struct ATENINTL_port *port,__u8 newMsr);
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+int handle_newLsr(struct ATENINTL_port *port,__u8 newLsr);
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+/* function prototypes for the usbserial callbacks */
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+
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
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+static int ATEN2011_open(struct tty_struct *tty, struct usb_serial_port *port, struct file *filp);
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+static void ATEN2011_close(struct tty_struct *tty, struct usb_serial_port *port, struct file *filp);
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+static int ATEN2011_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *data, int count);
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+static int ATEN2011_write_room(struct tty_struct *tty);
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+static int ATEN2011_chars_in_buffer(struct tty_struct *tty);
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+static void ATEN2011_throttle(struct tty_struct *tty);
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+static void ATEN2011_unthrottle(struct tty_struct *tty);
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+static void ATEN2011_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios);
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+static int ATEN2011_tiocmset(struct tty_struct *tty, struct file *file,
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+ unsigned int set, unsigned int clear);
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+static int ATEN2011_tiocmget(struct tty_struct *tty, struct file *file);
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+static int ATEN2011_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg);
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+static void ATEN2011_break(struct tty_struct *tty, int break_state);
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+#else
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+static int ATEN2011_open(struct usb_serial_port *port, struct file *filp);
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+static void ATEN2011_close(struct usb_serial_port *port, struct file *filp);
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+static int ATEN2011_write(struct usb_serial_port *port, const unsigned char *data, int count);
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+static int ATEN2011_write_room(struct usb_serial_port *port);
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+static int ATEN2011_chars_in_buffer(struct usb_serial_port *port);
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+static void ATEN2011_throttle(struct usb_serial_port *port);
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+static void ATEN2011_unthrottle(struct usb_serial_port *port);
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+static void ATEN2011_set_termios (struct usb_serial_port *port, struct ktermios *old_termios);
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+static int ATEN2011_tiocmset(struct usb_serial_port *port, struct file *file,
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+ unsigned int set, unsigned int clear);
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+static int ATEN2011_tiocmget(struct usb_serial_port *port, struct file *file);
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+static int ATEN2011_ioctl(struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg);
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+static void ATEN2011_break(struct usb_serial_port *port, int break_state);
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+#endif
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+
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+//static void ATEN2011_break_ctl(struct usb_serial_port *port, int break_state );
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+
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+static int ATEN2011_startup(struct usb_serial *serial);
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+static void ATEN2011_shutdown(struct usb_serial *serial);
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+//static int ATEN2011_serial_probe(struct usb_serial *serial, const struct usb_device_id *id);
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+static int ATEN2011_calc_num_ports(struct usb_serial *serial);
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+
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+/* function prototypes for all of our local functions */
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+static int ATEN2011_calc_baud_rate_divisor(int baudRate, int *divisor,__u16 *clk_sel_val);
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+static int ATEN2011_send_cmd_write_baud_rate(struct ATENINTL_port *ATEN2011_port, int baudRate);
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27)
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+static void ATEN2011_change_port_settings(struct tty_struct *tty, struct ATENINTL_port *ATEN2011_port, struct ktermios *old_termios);
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+static void ATEN2011_block_until_chase_response(struct tty_struct *tty, struct ATENINTL_port *ATEN2011_port);
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+static void ATEN2011_block_until_tx_empty(struct tty_struct *tty, struct ATENINTL_port *ATEN2011_port);
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+#else
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+static void ATEN2011_change_port_settings(struct ATENINTL_port *ATEN2011_port, struct ktermios *old_termios);
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+static void ATEN2011_block_until_chase_response(struct ATENINTL_port *ATEN2011_port);
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+static void ATEN2011_block_until_tx_empty(struct ATENINTL_port *ATEN2011_port);
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+#endif
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+
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+int __init ATENINTL2011_init(void);
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+void __exit ATENINTL2011_exit(void);
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+
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+
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+/*************************************
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+ * Bit definitions for each register *
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+ *************************************/
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+#define LCR_BITS_5 0x00 /* 5 bits/char */
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+#define LCR_BITS_6 0x01 /* 6 bits/char */
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+#define LCR_BITS_7 0x02 /* 7 bits/char */
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+#define LCR_BITS_8 0x03 /* 8 bits/char */
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+#define LCR_BITS_MASK 0x03 /* Mask for bits/char field */
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+
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+#define LCR_STOP_1 0x00 /* 1 stop bit */
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+#define LCR_STOP_1_5 0x04 /* 1.5 stop bits (if 5 bits/char) */
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+#define LCR_STOP_2 0x04 /* 2 stop bits (if 6-8 bits/char) */
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+#define LCR_STOP_MASK 0x04 /* Mask for stop bits field */
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+
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+#define LCR_PAR_NONE 0x00 /* No parity */
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+#define LCR_PAR_ODD 0x08 /* Odd parity */
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+#define LCR_PAR_EVEN 0x18 /* Even parity */
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+#define LCR_PAR_MARK 0x28 /* Force parity bit to 1 */
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+#define LCR_PAR_SPACE 0x38 /* Force parity bit to 0 */
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+#define LCR_PAR_MASK 0x38 /* Mask for parity field */
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+
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+#define LCR_SET_BREAK 0x40 /* Set Break condition */
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+#define LCR_DL_ENABLE 0x80 /* Enable access to divisor latch */
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+
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+#define MCR_DTR 0x01 /* Assert DTR */
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+#define MCR_RTS 0x02 /* Assert RTS */
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+#define MCR_OUT1 0x04 /* Loopback only: Sets state of RI */
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+#define MCR_MASTER_IE 0x08 /* Enable interrupt outputs */
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+#define MCR_LOOPBACK 0x10 /* Set internal (digital) loopback mode */
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+#define MCR_XON_ANY 0x20 /* Enable any char to exit XOFF mode */
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+
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+#define ATEN2011_MSR_CTS 0x10 /* Current state of CTS */
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+#define ATEN2011_MSR_DSR 0x20 /* Current state of DSR */
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+#define ATEN2011_MSR_RI 0x40 /* Current state of RI */
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+#define ATEN2011_MSR_CD 0x80 /* Current state of CD */
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+
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/* all defines goes here */
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Greg Kroah-Hartman