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xr_usb_serial_hal.c
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xr_usb_serial_hal.c
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/*
* 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
*/
#define XR_SET_MAP_XR2280X 5
#define XR_GET_MAP_XR2280X 5
#define XR_SET_MAP_XR21B142X 0
#define XR_GET_MAP_XR21B142X 0
#define XR_SET_MAP_XR21V141X 0
#define XR_GET_MAP_XR21V141X 1
#define XR_SET_MAP_XR21B1411 0
#define XR_GET_MAP_XR21B1411 1
int xr_usb_serial_disable(struct usb_serial_port *port);
int xr_usb_serial_enable(struct usb_serial_port *port);
int xr_usb_serial_set_reg(struct usb_serial_port *port,int regnum, int value)
{
struct usb_serial *serial = port->serial;
int result;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
int block = 0;
dev_dbg(&port->serial->dev->dev, "%s block:%d 0x%02x = 0x%02x\n", __func__,block,regnum, value);
if((portdata->DeviceProduct&0xfff0) == 0x1400)
{
int XR2280xaddr;
XR2280xaddr = XR2280x_FUNC_MGR_OFFSET + regnum;
result = usb_control_msg(serial->dev, /* usb device */
usb_sndctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_SET_MAP_XR2280X, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR, /* request_type */
value, /* request value */
XR2280xaddr, /* index */
NULL, /* data */
0, /* size */
5000); /* timeout */
}
else if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
/* Bulk OUT endpoints 0x1..0x4 map to register blocks 0..3 */
if(portdata->block)
block = portdata->block - 1;
result = usb_control_msg(serial->dev, /* usb device */
usb_sndctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_SET_MAP_XR21V141X, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR, /* request_type */
value, /* request value */
regnum | (block << 8), /* index */
NULL, /* data */
0, /* size */
5000); /* timeout */
}
else if(portdata->DeviceProduct == 0x1411)
{
result = usb_control_msg(serial->dev, /* usb device */
usb_sndctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_SET_MAP_XR21B1411, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR, /* request_type */
value, /* request value */
regnum , /* index */
NULL, /* data */
0, /* size */
5000); /* timeout */
}
else if((portdata->DeviceProduct == 0x1420)||
(portdata->DeviceProduct == 0x1422)||
(portdata->DeviceProduct == 0x1424))
{
/* Bulk OUT endpoints 0x4..0x7 map to register blocks# 0 2 4 6*/
block = (portdata->block - 4)*2;
result = usb_control_msg(serial->dev, /* usb device */
usb_sndctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_SET_MAP_XR21B142X, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | 1, /* request_type */
value, /* request value */
regnum | (block << 8), /* index */
NULL, /* data */
0, /* size */
5000); /* timeout */
}
else
{
result = -1;
}
if(result < 0)
dev_dbg(&port->serial->dev->dev, "%s block(%d) Error:%d\n", __func__,block,result);
return result;
}
int xr_usb_serial_set_reg_ext(struct usb_serial_port *port,int block,int regnum, int value)
{
struct usb_serial *serial = port->serial;
int result;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
dev_dbg(&port->serial->dev->dev, "%s block:%d 0x%02x = 0x%02x\n", __func__,block,regnum, value);
if((portdata->DeviceProduct&0xfff0) == 0x1400)
{
int XR2280xaddr;
XR2280xaddr = XR2280x_FUNC_MGR_OFFSET + regnum;
result = usb_control_msg(serial->dev, /* usb device */
usb_sndctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_SET_MAP_XR2280X, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR, /* request_type */
value, /* request value */
XR2280xaddr, /* index */
NULL, /* data */
0, /* size */
5000); /* timeout */
}
else if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
/* Bulk OUT endpoints 0x1..0x4 map to register blocks 0..3 */
result = usb_control_msg(serial->dev, /* usb device */
usb_sndctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_SET_MAP_XR21V141X, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR, /* request_type */
value, /* request value */
regnum | (block << 8), /* index */
NULL, /* data */
0, /* size */
5000); /* timeout */
}
else if(portdata->DeviceProduct == 0x1411)
{
result = usb_control_msg(serial->dev, /* usb device */
usb_sndctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_SET_MAP_XR21B1411, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR, /* request_type */
value, /* request value */
regnum , /* index */
NULL, /* data */
0, /* size */
5000); /* timeout */
}
else if((portdata->DeviceProduct == 0x1420)||
(portdata->DeviceProduct == 0x1422)||
(portdata->DeviceProduct == 0x1424))
{
/* Bulk OUT endpoints 0x4..0x7 map to register blocks 0 2 4 6*/
block = block*2;
result = usb_control_msg(serial->dev, /* usb device */
usb_sndctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_SET_MAP_XR21B142X, /* request */
USB_DIR_OUT | USB_TYPE_VENDOR | 1, /* request_type */
value, /* request value */
regnum | (block << 8), /* index */
NULL, /* data */
0, /* size */
5000); /* timeout */
}
else
{
result = -1;
}
if(result < 0)
dev_dbg(&port->serial->dev->dev, "%s block(%d) Error:%d\n", __func__,block,result);
return result;
}
int xr_usb_serial_get_reg(struct usb_serial_port *port,int regnum, short *value)
{
int result;
struct usb_serial *serial = port->serial;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
int block = 0;
char val = 0;
if((portdata->DeviceProduct&0xfff0) == 0x1400)
{
int XR2280xaddr = XR2280x_FUNC_MGR_OFFSET + regnum;
result = usb_control_msg(serial->dev, /* usb device */
usb_rcvctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_GET_MAP_XR2280X, /* request */
USB_DIR_IN | USB_TYPE_VENDOR , /* request_type */
0, /* request value */
XR2280xaddr, /* index */
value, /* data */
2, /* size */
5000); /* timeout */
}
else if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
/* Bulk OUT endpoints 0x1..0x4 map to register blocks 0..3 */
if(portdata->block)
block = portdata->block - 1;
result = usb_control_msg(serial->dev, /* usb device */
usb_rcvctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_GET_MAP_XR21V141X, /* request */
USB_DIR_IN | USB_TYPE_VENDOR, /* request_type */
0, /* request value */
regnum | (block << 8), /* index */
&val, /* data */
1, /* size */
5000); /* timeout */
*value = val;
}
else if(portdata->DeviceProduct == 0x1411)
{
result = usb_control_msg(serial->dev, /* usb device */
usb_rcvctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_GET_MAP_XR21B1411, /* request */
USB_DIR_IN | USB_TYPE_VENDOR, /* request_type */
0, /* request value */
regnum, /* index */
&val, /* data */
2, /* size */
5000); /* timeout */
*value = val;
}
else if((portdata->DeviceProduct == 0x1420)||
(portdata->DeviceProduct == 0x1422)||
(portdata->DeviceProduct == 0x1424))
{
/* Bulk OUT endpoints 0x4..0x7 map to register blocks# 0 2 4 6 */
block = (portdata->block - 4)*2;
result = usb_control_msg(serial->dev, /* usb device */
usb_rcvctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_GET_MAP_XR21B142X, /* request */
USB_DIR_IN | USB_TYPE_VENDOR | 1, /* request_type */
0, /* request value */
regnum | (block << 8), /* index */
value, /* data */
2, /* size */
5000); /* timeout */
}
else
{
result = -1;
}
if(result < 0)
dev_dbg(&port->serial->dev->dev, "%s block:%d Reg 0x%x Error:%d\n", __func__,block,regnum,result);
else
dev_dbg(&port->serial->dev->dev, "%s block:%d 0x%x = 0x%04x\n", __func__,block,regnum, *value);
return result;
}
int xr_usb_serial_get_reg_ext(struct usb_serial_port *port,int block,int regnum, short *value)
{
int result;
struct usb_serial *serial = port->serial;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
char val = 0;
if((portdata->DeviceProduct&0xfff0) == 0x1400)
{
int XR2280xaddr = XR2280x_FUNC_MGR_OFFSET + regnum;
result = usb_control_msg(serial->dev, /* usb device */
usb_rcvctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_GET_MAP_XR2280X, /* request */
USB_DIR_IN | USB_TYPE_VENDOR , /* request_type */
0, /* request value */
XR2280xaddr, /* index */
value, /* data */
2, /* size */
5000); /* timeout */
}
else if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
/* Bulk OUT endpoints 0x1..0x4 map to register blocks 0..3 */
result = usb_control_msg(serial->dev, /* usb device */
usb_rcvctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_GET_MAP_XR21V141X, /* request */
USB_DIR_IN | USB_TYPE_VENDOR, /* request_type */
0, /* request value */
regnum | (block << 8), /* index */
&val, /* data */
1, /* size */
5000); /* timeout */
*value = val;
}
else if(portdata->DeviceProduct == 0x1411)
{
result = usb_control_msg(serial->dev, /* usb device */
usb_rcvctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_GET_MAP_XR21B1411, /* request */
USB_DIR_IN | USB_TYPE_VENDOR, /* request_type */
0, /* request value */
regnum, /* index */
&val, /* data */
2, /* size */
5000); /* timeout */
*value = val;
}
else if((portdata->DeviceProduct == 0x1420)||
(portdata->DeviceProduct == 0x1422)||
(portdata->DeviceProduct == 0x1424))
{
/* Bulk OUT endpoints0 1 2 3 map to register blocks 0 2 4 6 */
block = block*2;
result = usb_control_msg(serial->dev, /* usb device */
usb_rcvctrlpipe(serial->dev, 0), /* endpoint pipe */
XR_GET_MAP_XR21B142X, /* request */
USB_DIR_IN | USB_TYPE_VENDOR | 1, /* request_type */
0, /* request value */
regnum | (block << 8), /* index */
value, /* data */
2, /* size */
5000); /* timeout */
}
else
{
result = -1;
}
if(result < 0)
dev_dbg(&port->serial->dev->dev, "%s block:%d Reg 0x%x Error:%d\n", __func__,block,regnum,result);
else
dev_dbg(&port->serial->dev->dev, "%s block:%d 0x%x = 0x%04x\n", __func__,block,regnum, *value);
return result;
}
struct xr21v141x_baud_rate
{
unsigned int tx;
unsigned int rx0;
unsigned int rx1;
};
static struct xr21v141x_baud_rate xr21v141x_baud_rates[] = {
{ 0x000, 0x000, 0x000 },
{ 0x000, 0x000, 0x000 },
{ 0x100, 0x000, 0x100 },
{ 0x020, 0x400, 0x020 },
{ 0x010, 0x100, 0x010 },
{ 0x208, 0x040, 0x208 },
{ 0x104, 0x820, 0x108 },
{ 0x844, 0x210, 0x884 },
{ 0x444, 0x110, 0x444 },
{ 0x122, 0x888, 0x224 },
{ 0x912, 0x448, 0x924 },
{ 0x492, 0x248, 0x492 },
{ 0x252, 0x928, 0x292 },
{ 0X94A, 0X4A4, 0XA52 },
{ 0X52A, 0XAA4, 0X54A },
{ 0XAAA, 0x954, 0X4AA },
{ 0XAAA, 0x554, 0XAAA },
{ 0x555, 0XAD4, 0X5AA },
{ 0XB55, 0XAB4, 0X55A },
{ 0X6B5, 0X5AC, 0XB56 },
{ 0X5B5, 0XD6C, 0X6D6 },
{ 0XB6D, 0XB6A, 0XDB6 },
{ 0X76D, 0X6DA, 0XBB6 },
{ 0XEDD, 0XDDA, 0X76E },
{ 0XDDD, 0XBBA, 0XEEE },
{ 0X7BB, 0XF7A, 0XDDE },
{ 0XF7B, 0XEF6, 0X7DE },
{ 0XDF7, 0XBF6, 0XF7E },
{ 0X7F7, 0XFEE, 0XEFE },
{ 0XFDF, 0XFBE, 0X7FE },
{ 0XF7F, 0XEFE, 0XFFE },
{ 0XFFF, 0XFFE, 0XFFD },
};
#define UART_CLOCK_DIVISOR_0 0x004
#define UART_CLOCK_DIVISOR_1 0x005
#define UART_CLOCK_DIVISOR_2 0x006
#define UART_TX_CLOCK_MASK_0 0x007
#define UART_TX_CLOCK_MASK_1 0x008
#define UART_RX_CLOCK_MASK_0 0x009
#define UART_RX_CLOCK_MASK_1 0x00a
static int xr21v141x_set_baud_rate(struct usb_serial_port *port, unsigned int rate)
{
unsigned int divisor = 48000000 / rate;
unsigned int i = ((32 * 48000000) / rate) & 0x1f;
unsigned int tx_mask = xr21v141x_baud_rates[i].tx;
unsigned int rx_mask = (divisor & 1) ? xr21v141x_baud_rates[i].rx1 : xr21v141x_baud_rates[i].rx0;
dev_dbg(&port->serial->dev->dev, "Setting baud rate to %d: i=%u div=%u tx=%03x rx=%03x\n", rate, i, divisor, tx_mask, rx_mask);
xr_usb_serial_set_reg(port,UART_CLOCK_DIVISOR_0, (divisor >> 0) & 0xff);
xr_usb_serial_set_reg(port,UART_CLOCK_DIVISOR_1, (divisor >> 8) & 0xff);
xr_usb_serial_set_reg(port,UART_CLOCK_DIVISOR_2, (divisor >> 16) & 0xff);
xr_usb_serial_set_reg(port,UART_TX_CLOCK_MASK_0, (tx_mask >> 0) & 0xff);
xr_usb_serial_set_reg(port,UART_TX_CLOCK_MASK_1, (tx_mask >> 8) & 0xff);
xr_usb_serial_set_reg(port,UART_RX_CLOCK_MASK_0, (rx_mask >> 0) & 0xff);
xr_usb_serial_set_reg(port,UART_RX_CLOCK_MASK_1, (rx_mask >> 8) & 0xff);
return 0;
}
/* devices aren't required to support these requests.
* the cdc xr_usb_serial descriptor tells whether they do...
*/
int xr_usb_serial_set_control(struct usb_serial_port *port, unsigned int control)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
if((portdata->DeviceProduct&0xfff0) == 0x1400)
{
ret = xr_usb_serial_ctrl_msg(port, USB_CDC_REQ_SET_CONTROL_LINE_STATE, control, NULL, 0);
}
else if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
if (control & XR_USB_SERIAL_CTRL_DTR)
xr_usb_serial_set_reg(port,portdata->reg_map.uart_gpio_clr_addr, 0x08);
else
xr_usb_serial_set_reg(port,portdata->reg_map.uart_gpio_set_addr, 0x08);
if (control & XR_USB_SERIAL_CTRL_RTS)
xr_usb_serial_set_reg(port,portdata->reg_map.uart_gpio_clr_addr, 0x20);
else
xr_usb_serial_set_reg(port,portdata->reg_map.uart_gpio_set_addr, 0x20);
}
else if(portdata->DeviceProduct == 0x1411)
{
ret = xr_usb_serial_ctrl_msg(port, USB_CDC_REQ_SET_CONTROL_LINE_STATE, control, NULL, 0);
}
else if((portdata->DeviceProduct == 0x1420)||
(portdata->DeviceProduct == 0x1422)||
(portdata->DeviceProduct == 0x1424))
{
ret = xr_usb_serial_ctrl_msg(port, USB_CDC_REQ_SET_CONTROL_LINE_STATE, control, NULL, 0);
}
else
{
ret =-1;
}
return ret;
}
int xr_usb_serial_set_line(struct usb_serial_port *port, struct usb_cdc_line_coding* line)
{
int ret = 0;
unsigned int format_size;
unsigned int format_parity;
unsigned int format_stop;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
if((portdata->DeviceProduct&0xfff0) == 0x1400)
{
ret = xr_usb_serial_ctrl_msg(port, USB_CDC_REQ_SET_LINE_CODING, 0, line, sizeof *(line));
}
else if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
if(line->dwDTERate == 0) return -1;
xr21v141x_set_baud_rate(port,line->dwDTERate);
format_size = line->bDataBits;
format_parity = line->bParityType;
format_stop = line->bCharFormat;
xr_usb_serial_set_reg(port,
portdata->reg_map.uart_format_addr,
(format_size << 0) | (format_parity << 4) | (format_stop << 7) );
}
else if(portdata->DeviceProduct == 0x1411)
{
ret = xr_usb_serial_ctrl_msg(port, USB_CDC_REQ_SET_LINE_CODING, 0, line, sizeof *(line));
}
else if((portdata->DeviceProduct == 0x1420)||
(portdata->DeviceProduct == 0x1422)||
(portdata->DeviceProduct == 0x1424))
{
ret = xr_usb_serial_ctrl_msg(port, USB_CDC_REQ_SET_LINE_CODING, 0, line, sizeof *(line));
}
return ret;
}
int xr_usb_serial_set_flow_mode(struct usb_serial_port *port,
struct tty_struct *tty, unsigned int cflag)
{
unsigned int flow;
unsigned int gpio_mode;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
if (cflag & CRTSCTS)
{
dev_dbg(&port->serial->dev->dev, "xr_usb_serial_set_flow_mode:hardware\n");
flow = UART_FLOW_MODE_HW;
gpio_mode = UART_GPIO_MODE_SEL_RTS_CTS;
}
else if (I_IXOFF(tty) || I_IXON(tty))
{
unsigned char start_char = START_CHAR(tty);
unsigned char stop_char = STOP_CHAR(tty);
dev_dbg(&port->serial->dev->dev, "xr_usb_serial_set_flow_mode:software\n");
flow = UART_FLOW_MODE_SW;
gpio_mode = UART_GPIO_MODE_SEL_GPIO;
xr_usb_serial_set_reg(port,portdata->reg_map.uart_xon_char_addr, start_char);
xr_usb_serial_set_reg(port,portdata->reg_map.uart_xoff_char_addr, stop_char);
}
else
{
dev_dbg(&port->serial->dev->dev, "xr_usb_serial_set_flow_mode:none\n");
flow = UART_FLOW_MODE_NONE;
gpio_mode = UART_GPIO_MODE_SEL_GPIO;
}
xr_usb_serial_set_reg(port,portdata->reg_map.uart_flow_addr, flow);
gpio_mode = 0x0b; // FIXME hardcoded to RS-485
xr_usb_serial_set_reg(port,portdata->reg_map.uart_gpio_mode_addr, gpio_mode);
return 0;
}
int xr_usb_serial_send_break(struct usb_serial_port *port, int state)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
if((portdata->DeviceProduct&0xfff0) == 0x1410)
{
if(state)
ret = xr_usb_serial_set_reg(port,portdata->reg_map.tx_break_addr,0xffff);
else
ret = xr_usb_serial_set_reg(port,portdata->reg_map.tx_break_addr,0);
}
else
{
ret = xr_usb_serial_ctrl_msg(port,USB_CDC_REQ_SEND_BREAK, state, NULL, 0);
}
return ret;
}
#define XR21V1414_WIDE_MODE_OFFSET 3
#define XR21B142X_WIDE_MODE_TX_OFFSET 0x42
#define XR21B142X_WIDE_MODE_RX_OFFSET 0x45
int xr_usb_serial_set_wide_mode(struct usb_serial_port *port, int preciseflags)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
int block = 0;
xr_usb_serial_disable(port);
if((portdata->DeviceProduct&0xfff0) == 0x1400)
{
}
else if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
if(portdata->block)
block = portdata->block - 1;
xr_usb_serial_set_reg_ext(port, 0x66, block*8 + XR21V1414_WIDE_MODE_OFFSET, preciseflags);
}
else if(portdata->DeviceProduct == 0x1411)
{
xr_usb_serial_set_reg(port,0xd02, preciseflags);
}
else if((portdata->DeviceProduct == 0x1420)||
(portdata->DeviceProduct == 0x1422)||
(portdata->DeviceProduct == 0x1424))
{
xr_usb_serial_set_reg(port, XR21B142X_WIDE_MODE_TX_OFFSET, preciseflags);
xr_usb_serial_set_reg(port, XR21B142X_WIDE_MODE_RX_OFFSET, preciseflags);
}
xr_usb_serial_enable(port);
return ret;
}
int xr_usb_serial_get_gpio_status(struct usb_serial_port *port,short *gpio_status)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
ret = xr_usb_serial_get_reg(port,portdata->reg_map.uart_gpio_status_addr,gpio_status);
return ret;
}
int xr_usb_serial_ctrl_dtr(struct usb_serial_port *port,int high)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
if(high)
ret = xr_usb_serial_set_reg(port, portdata->reg_map.uart_gpio_set_addr, 0x08);
else
ret = xr_usb_serial_set_reg(port, portdata->reg_map.uart_gpio_clr_addr, 0x08);
return ret;
}
int xr_usb_serial_ctrl_rts(struct usb_serial_port *port,int high)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
if(high)
ret = xr_usb_serial_set_reg(port, portdata->reg_map.uart_gpio_set_addr, 0x20);
else
ret = xr_usb_serial_set_reg(port, portdata->reg_map.uart_gpio_clr_addr, 0x20);
return ret;
}
#define URM_REG_BLOCK 4
#define URM_ENABLE_BASE 0x010
#define URM_ENABLE_0_TX 0x001
#define URM_ENABLE_0_RX 0x002
int xr_usb_serial_enable(struct usb_serial_port *port)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
int block = portdata->block;
if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
ret = xr_usb_serial_set_reg_ext(port,URM_REG_BLOCK,URM_ENABLE_BASE + block,URM_ENABLE_0_TX);
ret = xr_usb_serial_set_reg(port,portdata->reg_map.uart_enable_addr,UART_ENABLE_TX | UART_ENABLE_RX);
ret = xr_usb_serial_set_reg_ext(port,URM_REG_BLOCK,URM_ENABLE_BASE + block,URM_ENABLE_0_TX | URM_ENABLE_0_RX);
}
else
{
ret = xr_usb_serial_set_reg(port,portdata->reg_map.uart_enable_addr,UART_ENABLE_TX | UART_ENABLE_RX);
}
return ret;
}
int xr_usb_serial_disable(struct usb_serial_port *port)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
int block = portdata->block;
ret = xr_usb_serial_set_reg(port,portdata->reg_map.uart_enable_addr,0);
if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
ret = xr_usb_serial_set_reg_ext(port,URM_REG_BLOCK,URM_ENABLE_BASE + block,URM_ENABLE_0_TX);
}
return ret;
}
int xr_usb_serial_set_loopback(struct usb_serial_port *port)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
xr_usb_serial_disable(port);
ret = xr_usb_serial_set_reg(port,portdata->reg_map.uart_loopback_addr,0x07);
xr_usb_serial_enable(port);
return ret;
}
int xr_usb_serial_set_custom_mode(struct usb_serial_port *port,int val)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
xr_usb_serial_disable(port);
ret = xr_usb_serial_set_reg(port,portdata->reg_map.uart_custom_driver,val);
xr_usb_serial_enable(port);
return ret;
}
static struct reg_addr_map xr21b140x_reg_map;
static struct reg_addr_map xr21b1411_reg_map;
static struct reg_addr_map xr21v141x_reg_map;
static struct reg_addr_map xr21b142x_reg_map;
static void init_xr21b140x_reg_map(void)
{
xr21b140x_reg_map.uart_enable_addr = 0x00;
xr21b140x_reg_map.uart_format_addr = 0x05;
xr21b140x_reg_map.uart_flow_addr = 0x06;
xr21b140x_reg_map.uart_loopback_addr = 0x16;
xr21b140x_reg_map.uart_xon_char_addr = 0x07;
xr21b140x_reg_map.uart_xoff_char_addr = 0x08;
xr21b140x_reg_map.uart_gpio_mode_addr = 0x0c;
xr21b140x_reg_map.uart_gpio_dir_addr = 0x0d;
xr21b140x_reg_map.uart_gpio_set_addr = 0x0e;
xr21b140x_reg_map.uart_gpio_clr_addr = 0x0f;
xr21b140x_reg_map.uart_gpio_status_addr = 0x10;
xr21b140x_reg_map.tx_break_addr = 0x0a;
xr21b140x_reg_map.uart_custom_driver = 0x41;
}
static void init_xr21b1411_reg_map(void)
{
xr21b1411_reg_map.uart_enable_addr = 0xc00;
xr21b1411_reg_map.uart_flow_addr = 0xc06;
xr21b1411_reg_map.uart_loopback_addr = 0xc16;
xr21b1411_reg_map.uart_xon_char_addr = 0xc07;
xr21b1411_reg_map.uart_xoff_char_addr = 0xc08;
xr21b1411_reg_map.uart_gpio_mode_addr = 0xc0c;
xr21b1411_reg_map.uart_gpio_dir_addr = 0xc0d;
xr21b1411_reg_map.uart_gpio_set_addr = 0xc0e;
xr21b1411_reg_map.uart_gpio_clr_addr = 0xc0f;
xr21b1411_reg_map.uart_gpio_status_addr = 0xc10;
xr21b1411_reg_map.tx_break_addr = 0xc0a;
xr21b1411_reg_map.uart_custom_driver = 0x20d;
}
static void init_xr21v141x_reg_map(void)
{
xr21v141x_reg_map.uart_enable_addr = 0x03;
xr21v141x_reg_map.uart_format_addr = 0x0b;
xr21v141x_reg_map.uart_flow_addr = 0x0c;
xr21v141x_reg_map.uart_loopback_addr = 0x12;
xr21v141x_reg_map.uart_xon_char_addr = 0x10;
xr21v141x_reg_map.uart_xoff_char_addr = 0x11;
xr21v141x_reg_map.uart_gpio_mode_addr = 0x1a;
xr21v141x_reg_map.uart_gpio_dir_addr = 0x1b;
xr21v141x_reg_map.uart_gpio_set_addr = 0x1d;
xr21v141x_reg_map.uart_gpio_clr_addr = 0x1e;
xr21v141x_reg_map.uart_gpio_status_addr = 0x1f;
xr21v141x_reg_map.tx_break_addr = 0x14;
}
static void init_xr21b142x_reg_map(void)
{
xr21b142x_reg_map.uart_enable_addr = 0x00;
xr21b142x_reg_map.uart_flow_addr = 0x06;
xr21b142x_reg_map.uart_loopback_addr = 0x16;
xr21b142x_reg_map.uart_xon_char_addr = 0x07;
xr21b142x_reg_map.uart_xoff_char_addr = 0x08;
xr21b142x_reg_map.uart_gpio_mode_addr = 0x0c;
xr21b142x_reg_map.uart_gpio_dir_addr = 0x0d;
xr21b142x_reg_map.uart_gpio_set_addr = 0x0e;
xr21b142x_reg_map.uart_gpio_clr_addr = 0x0f;
xr21b142x_reg_map.uart_gpio_status_addr = 0x10;
xr21b140x_reg_map.tx_break_addr = 0x0a;
xr21b140x_reg_map.uart_custom_driver = 0x60;
xr21b140x_reg_map.uart_low_latency = 0x46;
}
int xr_usb_serial_pre_setup(struct usb_serial_port *port,unsigned short DeviceVendor,unsigned short ProductID)
{
int ret = 0;
struct xr_usb_serial_port_private *portdata = usb_get_serial_port_data(port);
if(portdata == NULL ){
printk("xr_usb_serial_pre_setup portdata=%p\n",portdata);
return -1;
}
portdata->DeviceVendor = DeviceVendor;
portdata->DeviceProduct = ProductID;
dev_dbg(&port->serial->dev->dev, "xr_usb_serial_pre_setup DeviceVendor=0x%x ProductID=0x%x\n",DeviceVendor,ProductID);
init_xr21b140x_reg_map();
init_xr21b1411_reg_map();
init_xr21v141x_reg_map();
init_xr21b142x_reg_map();
if((ProductID&0xfff0) == 0x1400)
{
memcpy(&(portdata->reg_map),&xr21b140x_reg_map,sizeof(struct reg_addr_map));
}
else if(portdata->DeviceProduct == 0x1411)
{
memcpy(&(portdata->reg_map),&xr21b1411_reg_map,sizeof(struct reg_addr_map));
}
else if((portdata->DeviceProduct == 0x1410)||
(portdata->DeviceProduct == 0x1412)||
(portdata->DeviceProduct == 0x1414))
{
memcpy(&(portdata->reg_map),&xr21v141x_reg_map,sizeof(struct reg_addr_map));
}
else if((portdata->DeviceProduct == 0x1420)||
(portdata->DeviceProduct == 0x1422)||
(portdata->DeviceProduct == 0x1424))
{
memcpy(&(portdata->reg_map),&xr21b142x_reg_map,sizeof(struct reg_addr_map));
}
else
{
ret = -1;
}
if(portdata->reg_map.uart_custom_driver)
xr_usb_serial_set_reg(port, portdata->reg_map.uart_custom_driver, 1);
xr_usb_serial_set_reg(port, portdata->reg_map.uart_gpio_mode_addr, 0);
xr_usb_serial_set_reg(port, portdata->reg_map.uart_gpio_dir_addr, 0x28);
xr_usb_serial_set_reg(port, portdata->reg_map.uart_gpio_set_addr, UART_GPIO_SET_DTR | UART_GPIO_SET_RTS);
return ret;
}