examples/tty/serial.c
author Florian Pose <fp@igh-essen.com>
Fri, 22 Jan 2010 14:10:18 +0100
changeset 1782 2ba454c790c5
parent 1780 11f452ca4d7a
child 1783 8fd654d9ed5c
permissions -rw-r--r--
Implemented setting of baud rate, data frame and RTS/CTS.
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/******************************************************************************
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 *
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 *  $Id$
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 *
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 *  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
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 *
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 *  This file is part of the IgH EtherCAT Master.
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 *
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 *  The IgH EtherCAT Master is free software; you can redistribute it and/or
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 *  modify it under the terms of the GNU General Public License version 2, as
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 *  published by the Free Software Foundation.
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 *
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 *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
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 *  Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License along
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 *  with the IgH EtherCAT Master; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 *
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 *  ---
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 *
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 *  The license mentioned above concerns the source code only. Using the
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 *  EtherCAT technology and brand is only permitted in compliance with the
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 *  industrial property and similar rights of Beckhoff Automation GmbH.
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 *
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 *****************************************************************************/
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#include <linux/module.h>
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#include <linux/err.h>
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#include <linux/termios.h>
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#include "../../include/ecrt.h" // EtherCAT realtime interface
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#include "../../include/ectty.h" // EtherCAT TTY interface
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/*****************************************************************************/
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// Optional features
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#define PFX "ec_tty_example: "
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#define DEBUG 0
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/*****************************************************************************/
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#define VendorIdBeckhoff 0x00000002
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#define ProductCodeBeckhoffEL6002 0x17723052
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#define Beckhoff_EL6002 VendorIdBeckhoff, ProductCodeBeckhoffEL6002
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typedef enum {
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    SER_REQUEST_INIT,
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    SER_WAIT_FOR_INIT_RESPONSE,
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    SER_READY,
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    SER_SET_RTSCTS,
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    SER_SET_BAUD_RATE,
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    SER_SET_DATA_FRAME,
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} serial_state_t;
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typedef struct {
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    struct list_head list;
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    ec_tty_t *tty;
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    ec_slave_config_t *sc;
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    size_t max_tx_data_size;
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    size_t max_rx_data_size;
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    u8 *tx_data;
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    u8 tx_data_size;
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    serial_state_t state;
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    u8 tx_request_toggle;
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    u8 tx_accepted_toggle;
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    u8 rx_request_toggle;
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    u8 rx_accepted_toggle;
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    u16 control;
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    u32 off_ctrl;
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    u32 off_tx;
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    u32 off_status;
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    u32 off_rx;
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    ec_sdo_request_t *rtscts_sdo;
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    u8 requested_rtscts;
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    u8 current_rtscts;
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    ec_sdo_request_t *baud_sdo;
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    u8 requested_baud_rate;
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    u8 current_baud_rate;
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    ec_sdo_request_t *frame_sdo;
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    u8 requested_data_frame;
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    u8 current_data_frame;
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    unsigned int config_error;
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} el6002_t;
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LIST_HEAD(handlers);
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/*****************************************************************************/
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/* Beckhoff EL6002
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 * Vendor ID:       0x00000002
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 * Product code:    0x17723052
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 * Revision number: 0x00100000
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 */
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ec_pdo_entry_info_t el6002_pdo_entries[] = {
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   {0x7001, 0x01, 16}, /* Ctrl */
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   {0x7000, 0x11, 8}, /* Data Out 0 */
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   {0x7000, 0x12, 8}, /* Data Out 1 */
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   {0x7000, 0x13, 8}, /* Data Out 2 */
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   {0x7000, 0x14, 8}, /* Data Out 3 */
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   {0x7000, 0x15, 8}, /* Data Out 4 */
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   {0x7000, 0x16, 8}, /* Data Out 5 */
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   {0x7000, 0x17, 8}, /* Data Out 6 */
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   {0x7000, 0x18, 8}, /* Data Out 7 */
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   {0x7000, 0x19, 8}, /* Data Out 8 */
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   {0x7000, 0x1a, 8}, /* Data Out 9 */
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   {0x7000, 0x1b, 8}, /* Data Out 10 */
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   125
   {0x7000, 0x1c, 8}, /* Data Out 11 */
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diff changeset
   126
   {0x7000, 0x1d, 8}, /* Data Out 12 */
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   127
   {0x7000, 0x1e, 8}, /* Data Out 13 */
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   128
   {0x7000, 0x1f, 8}, /* Data Out 14 */
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   129
   {0x7000, 0x20, 8}, /* Data Out 15 */
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   130
   {0x7000, 0x21, 8}, /* Data Out 16 */
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   131
   {0x7000, 0x22, 8}, /* Data Out 17 */
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   132
   {0x7000, 0x23, 8}, /* Data Out 18 */
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   133
   {0x7000, 0x24, 8}, /* Data Out 19 */
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   134
   {0x7000, 0x25, 8}, /* Data Out 20 */
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   135
   {0x7000, 0x26, 8}, /* Data Out 21 */
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   136
   {0x7011, 0x01, 16}, /* Ctrl */
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   137
   {0x7010, 0x11, 8}, /* Data Out 0 */
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   138
   {0x7010, 0x12, 8}, /* Data Out 1 */
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   139
   {0x7010, 0x13, 8}, /* Data Out 2 */
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   140
   {0x7010, 0x14, 8}, /* Data Out 3 */
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   141
   {0x7010, 0x15, 8}, /* Data Out 4 */
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   142
   {0x7010, 0x16, 8}, /* Data Out 5 */
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   143
   {0x7010, 0x17, 8}, /* Data Out 6 */
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   144
   {0x7010, 0x18, 8}, /* Data Out 7 */
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   145
   {0x7010, 0x19, 8}, /* Data Out 8 */
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   146
   {0x7010, 0x1a, 8}, /* Data Out 9 */
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   147
   {0x7010, 0x1b, 8}, /* Data Out 10 */
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   148
   {0x7010, 0x1c, 8}, /* Data Out 11 */
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   149
   {0x7010, 0x1d, 8}, /* Data Out 12 */
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   150
   {0x7010, 0x1e, 8}, /* Data Out 13 */
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   151
   {0x7010, 0x1f, 8}, /* Data Out 14 */
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   152
   {0x7010, 0x20, 8}, /* Data Out 15 */
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   153
   {0x7010, 0x21, 8}, /* Data Out 16 */
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   154
   {0x7010, 0x22, 8}, /* Data Out 17 */
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   155
   {0x7010, 0x23, 8}, /* Data Out 18 */
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   156
   {0x7010, 0x24, 8}, /* Data Out 19 */
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   157
   {0x7010, 0x25, 8}, /* Data Out 20 */
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   158
   {0x7010, 0x26, 8}, /* Data Out 21 */
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   159
   {0x6001, 0x01, 16}, /* Status */
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   160
   {0x6000, 0x11, 8}, /* Data In 0 */
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   161
   {0x6000, 0x12, 8}, /* Data In 1 */
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   162
   {0x6000, 0x13, 8}, /* Data In 2 */
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   163
   {0x6000, 0x14, 8}, /* Data In 3 */
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   164
   {0x6000, 0x15, 8}, /* Data In 4 */
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   165
   {0x6000, 0x16, 8}, /* Data In 5 */
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   166
   {0x6000, 0x17, 8}, /* Data In 6 */
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   167
   {0x6000, 0x18, 8}, /* Data In 7 */
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   168
   {0x6000, 0x19, 8}, /* Data In 8 */
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   169
   {0x6000, 0x1a, 8}, /* Data In 9 */
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   170
   {0x6000, 0x1b, 8}, /* Data In 10 */
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   171
   {0x6000, 0x1c, 8}, /* Data In 11 */
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   172
   {0x6000, 0x1d, 8}, /* Data In 12 */
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   173
   {0x6000, 0x1e, 8}, /* Data In 13 */
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   174
   {0x6000, 0x1f, 8}, /* Data In 14 */
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   175
   {0x6000, 0x20, 8}, /* Data In 15 */
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   176
   {0x6000, 0x21, 8}, /* Data In 16 */
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   177
   {0x6000, 0x22, 8}, /* Data In 17 */
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   178
   {0x6000, 0x23, 8}, /* Data In 18 */
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   179
   {0x6000, 0x24, 8}, /* Data In 19 */
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   180
   {0x6000, 0x25, 8}, /* Data In 20 */
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   181
   {0x6000, 0x26, 8}, /* Data In 21 */
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   182
   {0x6011, 0x01, 16}, /* Status */
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   183
   {0x6010, 0x11, 8}, /* Data In 0 */
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   184
   {0x6010, 0x12, 8}, /* Data In 1 */
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   185
   {0x6010, 0x13, 8}, /* Data In 2 */
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   186
   {0x6010, 0x14, 8}, /* Data In 3 */
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   187
   {0x6010, 0x15, 8}, /* Data In 4 */
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   188
   {0x6010, 0x16, 8}, /* Data In 5 */
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   189
   {0x6010, 0x17, 8}, /* Data In 6 */
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   190
   {0x6010, 0x18, 8}, /* Data In 7 */
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diff changeset
   191
   {0x6010, 0x19, 8}, /* Data In 8 */
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diff changeset
   192
   {0x6010, 0x1a, 8}, /* Data In 9 */
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diff changeset
   193
   {0x6010, 0x1b, 8}, /* Data In 10 */
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diff changeset
   194
   {0x6010, 0x1c, 8}, /* Data In 11 */
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   195
   {0x6010, 0x1d, 8}, /* Data In 12 */
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diff changeset
   196
   {0x6010, 0x1e, 8}, /* Data In 13 */
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diff changeset
   197
   {0x6010, 0x1f, 8}, /* Data In 14 */
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diff changeset
   198
   {0x6010, 0x20, 8}, /* Data In 15 */
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   199
   {0x6010, 0x21, 8}, /* Data In 16 */
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   200
   {0x6010, 0x22, 8}, /* Data In 17 */
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diff changeset
   201
   {0x6010, 0x23, 8}, /* Data In 18 */
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   202
   {0x6010, 0x24, 8}, /* Data In 19 */
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   203
   {0x6010, 0x25, 8}, /* Data In 20 */
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   204
   {0x6010, 0x26, 8}, /* Data In 21 */
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   205
};
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   206
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   207
ec_pdo_info_t el6002_pdos[] = {
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   208
   {0x1604, 23, el6002_pdo_entries + 0}, /* COM RxPDO-Map Outputs Ch.1 */
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   209
   {0x1605, 23, el6002_pdo_entries + 23}, /* COM RxPDO-Map Outputs Ch.2 */
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   210
   {0x1a04, 23, el6002_pdo_entries + 46}, /* COM TxPDO-Map Inputs Ch.1 */
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   211
   {0x1a05, 23, el6002_pdo_entries + 69}, /* COM TxPDO-Map Inputs Ch.2 */
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   212
};
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   213
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   214
ec_sync_info_t el6002_syncs[] = {
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   215
   {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
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diff changeset
   216
   {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
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diff changeset
   217
   {2, EC_DIR_OUTPUT, 2, el6002_pdos + 0, EC_WD_DISABLE},
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   218
   {3, EC_DIR_INPUT, 2, el6002_pdos + 2, EC_WD_DISABLE},
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   219
   {0xff}
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   220
};
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   221
1780
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typedef enum {
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    PAR_NONE,
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    PAR_ODD,
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    PAR_EVEN
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} parity_t;
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   227
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typedef struct {
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    u8 value;
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2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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    unsigned int data_bits;
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    parity_t parity;
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    unsigned int stop_bits;
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   233
} el600x_data_frame_t;
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   234
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/** EL600x supported values for data frame SDO.
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 */
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   237
el600x_data_frame_t el600x_data_frame[] = {
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    {0x01, 7, PAR_EVEN, 1},
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   239
    {0x09, 7, PAR_EVEN, 2},
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   240
    {0x02, 7, PAR_ODD,  1},
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   241
    {0x0a, 7, PAR_ODD,  2},
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   242
    {0x03, 8, PAR_NONE, 1},
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   243
    {0x0b, 8, PAR_NONE, 2},
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   244
    {0x04, 8, PAR_EVEN, 1},
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   245
    {0x0c, 8, PAR_EVEN, 2},
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   246
    {0x05, 8, PAR_ODD,  1},
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   247
    {0x0d, 8, PAR_ODD,  2},
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   248
};
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   249
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typedef struct {
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    u8 value;
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   252
    unsigned int baud;
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   253
    tcflag_t cbaud;
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   254
} el600x_baud_rate_t;
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   255
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   256
/** EL600x supported values for baud rate SDO.
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   257
 */
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   258
el600x_baud_rate_t el600x_baud_rate[] = {
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    {1,   300,    B300},
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    {2,   600,    B600},
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   261
    {3,   1200,   B1200},
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   262
    {4,   2400,   B2400},
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   263
    {5,   4800,   B4800},
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   264
    {6,   9600,   B9600},
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   265
    {7,   19200,  B19200},
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   266
    {8,   38400,  B38400},
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   267
    {9,   57600,  B57600},
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   268
    {10,  115200, B115200}
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   269
};
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   270
1613
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/****************************************************************************/
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   273
int el6002_cflag_changed(void *data, tcflag_t cflag)
1779
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{
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    el6002_t *ser = (el6002_t *) data;
1782
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   276
    unsigned int data_bits, stop_bits;
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   277
    tcflag_t cbaud, rtscts;
1780
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   278
    parity_t par;
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   279
    unsigned int i;
1782
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   280
    el600x_baud_rate_t *b_to_use = NULL;
1780
11f452ca4d7a Check EL600x frame data configuration.
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   281
    el600x_data_frame_t *df_to_use = NULL;
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   282
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   283
#if DEBUG
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   284
    printk(KERN_INFO PFX "%s(data=%p, cflag=%x).\n", __func__, ser, cflag);
1782
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   285
#endif
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   286
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   287
    rtscts = cflag & CRTSCTS;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   288
    printk(KERN_INFO PFX "Requested rts/cts: %s.\n", rtscts ? "yes" : "no");
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   289
    
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   290
    cbaud = cflag & CBAUD;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   291
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   292
    for (i = 0; i < sizeof(el600x_baud_rate) / sizeof(el600x_baud_rate_t);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   293
            i++) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   294
        el600x_baud_rate_t *b = el600x_baud_rate + i;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   295
        if (b->cbaud == cbaud) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   296
            b_to_use = b;
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   297
            break;
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   298
        }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   299
    }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   300
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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   301
    if (b_to_use) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   302
        printk(KERN_INFO PFX "Requested baud rate: %u.\n", b_to_use->baud);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   303
    } else {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   304
        printk(KERN_ERR PFX "Error: Baud rate index %x not supported.\n",
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   305
                cbaud);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   306
        return -EINVAL;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
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diff changeset
   307
    }
1779
9fab229d6ca9 Passing tty cflag to serial implementation.
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diff changeset
   308
9fab229d6ca9 Passing tty cflag to serial implementation.
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diff changeset
   309
    switch (cflag & CSIZE) {
1780
11f452ca4d7a Check EL600x frame data configuration.
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diff changeset
   310
        case CS5:
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diff changeset
   311
            data_bits = 5;
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diff changeset
   312
            break;
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diff changeset
   313
        case CS6:
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diff changeset
   314
            data_bits = 6;
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diff changeset
   315
            break;
1779
9fab229d6ca9 Passing tty cflag to serial implementation.
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diff changeset
   316
        case CS7:
1780
11f452ca4d7a Check EL600x frame data configuration.
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diff changeset
   317
            data_bits = 7;
1779
9fab229d6ca9 Passing tty cflag to serial implementation.
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diff changeset
   318
            break;
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diff changeset
   319
        case CS8:
1780
11f452ca4d7a Check EL600x frame data configuration.
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diff changeset
   320
            data_bits = 8;
1779
9fab229d6ca9 Passing tty cflag to serial implementation.
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diff changeset
   321
            break;
9fab229d6ca9 Passing tty cflag to serial implementation.
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diff changeset
   322
        default: /* CS5 or CS6 */
1780
11f452ca4d7a Check EL600x frame data configuration.
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diff changeset
   323
            data_bits = 0;
11f452ca4d7a Check EL600x frame data configuration.
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diff changeset
   324
    }
1779
9fab229d6ca9 Passing tty cflag to serial implementation.
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diff changeset
   325
9fab229d6ca9 Passing tty cflag to serial implementation.
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diff changeset
   326
    if (cflag & PARENB) {
1780
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   327
        par = (cflag & PARODD) ? PAR_ODD : PAR_EVEN;
1779
9fab229d6ca9 Passing tty cflag to serial implementation.
Florian Pose <fp@igh-essen.com>
parents: 1615
diff changeset
   328
    } else {
1780
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   329
        par = PAR_NONE;
11f452ca4d7a Check EL600x frame data configuration.
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parents: 1779
diff changeset
   330
    }
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   331
11f452ca4d7a Check EL600x frame data configuration.
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diff changeset
   332
    stop_bits = (cflag & CSTOPB) ? 2 : 1;
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   333
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   334
    printk(KERN_INFO PFX "Requested Data frame: %u%c%u.\n",
1780
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   335
            data_bits,
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   336
            (par == PAR_NONE ? 'N' : (par == PAR_ODD ? 'O' : 'E')),
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   337
            stop_bits);
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   338
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   339
    for (i = 0; i < sizeof(el600x_data_frame) / sizeof(el600x_data_frame_t);
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   340
            i++) {
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   341
        el600x_data_frame_t *df = el600x_data_frame + i;
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   342
        if (df->data_bits == data_bits &&
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   343
                df->parity == par &&
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   344
                df->stop_bits == stop_bits) {
11f452ca4d7a Check EL600x frame data configuration.
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parents: 1779
diff changeset
   345
            df_to_use = df;
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   346
            break;
11f452ca4d7a Check EL600x frame data configuration.
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parents: 1779
diff changeset
   347
        }
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   348
    }
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   349
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   350
    if (!df_to_use) {
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   351
        printk(KERN_ERR PFX "Error: Data frame type not supported.\n");
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   352
        return -EINVAL;
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   353
    }
11f452ca4d7a Check EL600x frame data configuration.
Florian Pose <fp@igh-essen.com>
parents: 1779
diff changeset
   354
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   355
    ser->requested_rtscts = rtscts != 0;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   356
    ser->requested_baud_rate = b_to_use->value;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   357
    ser->requested_data_frame = df_to_use->value;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   358
    ser->config_error = 0;
1779
9fab229d6ca9 Passing tty cflag to serial implementation.
Florian Pose <fp@igh-essen.com>
parents: 1615
diff changeset
   359
    return 0;
9fab229d6ca9 Passing tty cflag to serial implementation.
Florian Pose <fp@igh-essen.com>
parents: 1615
diff changeset
   360
}
9fab229d6ca9 Passing tty cflag to serial implementation.
Florian Pose <fp@igh-essen.com>
parents: 1615
diff changeset
   361
9fab229d6ca9 Passing tty cflag to serial implementation.
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parents: 1615
diff changeset
   362
/****************************************************************************/
9fab229d6ca9 Passing tty cflag to serial implementation.
Florian Pose <fp@igh-essen.com>
parents: 1615
diff changeset
   363
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   364
int el6002_init(el6002_t *ser, ec_master_t *master, u16 position,
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   365
        ec_domain_t *domain)
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   366
{
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   367
    int ret = 0;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   368
1779
9fab229d6ca9 Passing tty cflag to serial implementation.
Florian Pose <fp@igh-essen.com>
parents: 1615
diff changeset
   369
    ser->tty = ectty_create(el6002_cflag_changed, ser);
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   370
    if (IS_ERR(ser->tty)) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   371
        printk(KERN_ERR PFX "Failed to create tty.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   372
        ret = PTR_ERR(ser->tty);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   373
        goto out_return;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   374
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   375
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   376
    ser->sc = NULL;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   377
    ser->max_tx_data_size = 22;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   378
    ser->max_rx_data_size = 22;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   379
    ser->tx_data = NULL;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   380
    ser->tx_data_size = 0;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   381
    ser->state = SER_REQUEST_INIT;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   382
    ser->tx_request_toggle = 0;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   383
    ser->rx_accepted_toggle = 0;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   384
    ser->control = 0x0000;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   385
    ser->off_ctrl = 0;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   386
    ser->off_tx = 0;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   387
    ser->off_status = 0;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   388
    ser->off_rx = 0;
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   389
    ser->requested_rtscts = 0x00; // no hardware handshake
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   390
    ser->current_rtscts = 0xff;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   391
    ser->requested_baud_rate = 6; // 9600
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   392
    ser->current_baud_rate = 0;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   393
    ser->requested_data_frame = 0x03; // 8N1
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   394
    ser->current_data_frame = 0x00;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   395
    ser->config_error = 0;
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   396
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   397
    if (!(ser->sc = ecrt_master_slave_config(
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   398
                    master, 0, position, Beckhoff_EL6002))) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   399
        printk(KERN_ERR PFX "Failed to create slave configuration.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   400
        ret = -EBUSY;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   401
        goto out_free_tty;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   402
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   403
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   404
    if (!(ser->rtscts_sdo = ecrt_slave_config_create_sdo_request(ser->sc,
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   405
                    0x8000, 0x01, 1))) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   406
        printk(KERN_ERR PFX "Failed to create SDO request.\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   407
        ret = -ENOMEM;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   408
        goto out_free_tty;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   409
    }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   410
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   411
    if (!(ser->baud_sdo = ecrt_slave_config_create_sdo_request(ser->sc,
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   412
                    0x8000, 0x11, 1))) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   413
        printk(KERN_ERR PFX "Failed to create SDO request.\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   414
        ret = -ENOMEM;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   415
        goto out_free_tty;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   416
    }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   417
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   418
    if (!(ser->frame_sdo = ecrt_slave_config_create_sdo_request(ser->sc,
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   419
                    0x8000, 0x15, 1))) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   420
        printk(KERN_ERR PFX "Failed to create SDO request.\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   421
        ret = -ENOMEM;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   422
        goto out_free_tty;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   423
    }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   424
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   425
    if (ecrt_slave_config_pdos(ser->sc, EC_END, el6002_syncs)) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   426
        printk(KERN_ERR PFX "Failed to configure PDOs.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   427
        ret = -ENOMEM;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   428
        goto out_free_tty;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   429
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   430
    
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   431
    ret = ecrt_slave_config_reg_pdo_entry(
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   432
            ser->sc, 0x7001, 0x01, domain, NULL);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   433
    if (ret < 0) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   434
        printk(KERN_ERR PFX "Failed to register PDO entry.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   435
        goto out_free_tty;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   436
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   437
    ser->off_ctrl = ret;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   438
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   439
    ret = ecrt_slave_config_reg_pdo_entry(
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   440
            ser->sc, 0x7000, 0x11, domain, NULL);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   441
    if (ret < 0) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   442
        printk(KERN_ERR PFX "Failed to register PDO entry.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   443
        goto out_free_tty;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   444
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   445
    ser->off_tx = ret;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   446
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   447
    ret = ecrt_slave_config_reg_pdo_entry(
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   448
            ser->sc, 0x6001, 0x01, domain, NULL);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   449
    if (ret < 0) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   450
        printk(KERN_ERR PFX "Failed to register PDO entry.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   451
        goto out_free_tty;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   452
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   453
    ser->off_status = ret;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   454
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   455
    ret = ecrt_slave_config_reg_pdo_entry(
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   456
            ser->sc, 0x6000, 0x11, domain, NULL);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   457
    if (ret < 0) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   458
        printk(KERN_ERR PFX "Failed to register PDO entry.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   459
        goto out_free_tty;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   460
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   461
    ser->off_rx = ret;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   462
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   463
    if (ser->max_tx_data_size > 0) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   464
        ser->tx_data = kmalloc(ser->max_tx_data_size, GFP_KERNEL);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   465
        if (ser->tx_data == NULL) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   466
            ret = -ENOMEM;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   467
            goto out_free_tty;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   468
        }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   469
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   470
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   471
    return 0;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   472
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   473
out_free_tty:
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   474
    ectty_free(ser->tty);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   475
out_return:
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   476
    return ret;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   477
}
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   478
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   479
/****************************************************************************/
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   480
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   481
void el6002_clear(el6002_t *ser)
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   482
{
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   483
    ectty_free(ser->tty);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   484
    if (ser->tx_data) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   485
        kfree(ser->tx_data);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   486
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   487
}
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   488
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   489
/****************************************************************************/
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   490
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   491
void el6002_run(el6002_t *ser, u8 *pd)
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   492
{
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   493
    u16 status = EC_READ_U16(pd + ser->off_status);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   494
    u8 *rx_data = pd + ser->off_rx;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   495
    uint8_t tx_accepted_toggle, rx_request_toggle;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   496
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   497
    switch (ser->state) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   498
        case SER_READY:
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   499
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   500
            /* Check, if hardware handshaking has to be configured. */
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   501
            if (!ser->config_error &&
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   502
                    ser->requested_rtscts != ser->current_rtscts) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   503
                EC_WRITE_U8(ecrt_sdo_request_data(ser->rtscts_sdo),
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   504
                        ser->requested_rtscts);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   505
                ecrt_sdo_request_write(ser->rtscts_sdo);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   506
                ser->state = SER_SET_RTSCTS;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   507
                break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   508
            }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   509
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   510
            /* Check, if the baud rate has to be configured. */
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   511
            if (!ser->config_error &&
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   512
                    ser->requested_baud_rate != ser->current_baud_rate) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   513
                EC_WRITE_U8(ecrt_sdo_request_data(ser->baud_sdo),
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   514
                        ser->requested_baud_rate);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   515
                ecrt_sdo_request_write(ser->baud_sdo);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   516
                ser->state = SER_SET_BAUD_RATE;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   517
                break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   518
            }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   519
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   520
            /* Check, if the data frame has to be configured. */
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   521
            if (!ser->config_error &&
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   522
                    ser->requested_data_frame != ser->current_data_frame) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   523
                EC_WRITE_U8(ecrt_sdo_request_data(ser->frame_sdo),
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   524
                        ser->requested_data_frame);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   525
                ecrt_sdo_request_write(ser->frame_sdo);
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   526
                ser->state = SER_SET_DATA_FRAME;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   527
                break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   528
            }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   529
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   530
            /* Send data */
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   531
            
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   532
            tx_accepted_toggle = status & 0x0001;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   533
            if (tx_accepted_toggle != ser->tx_accepted_toggle) { // ready
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   534
                ser->tx_data_size =
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   535
                    ectty_tx_data(ser->tty, ser->tx_data, ser->max_tx_data_size);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   536
                if (ser->tx_data_size) {
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   537
#if DEBUG
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   538
                    printk(KERN_INFO PFX "Sending %u bytes.\n", ser->tx_data_size);
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   539
#endif
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   540
                    ser->tx_request_toggle = !ser->tx_request_toggle;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   541
                    ser->tx_accepted_toggle = tx_accepted_toggle;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   542
                }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   543
            }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   544
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   545
            /* Receive data */
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   546
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   547
            rx_request_toggle = status & 0x0002;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   548
            if (rx_request_toggle != ser->rx_request_toggle) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   549
                uint8_t rx_data_size = status >> 8;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   550
                ser->rx_request_toggle = rx_request_toggle;
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   551
#if DEBUG
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   552
                printk(KERN_INFO PFX "Received %u bytes.\n", rx_data_size);
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   553
#endif
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   554
                ectty_rx_data(ser->tty, rx_data, rx_data_size);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   555
                ser->rx_accepted_toggle = !ser->rx_accepted_toggle;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   556
            }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   557
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   558
            ser->control =
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   559
                ser->tx_request_toggle |
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   560
                ser->rx_accepted_toggle << 1 |
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   561
                ser->tx_data_size << 8;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   562
            break;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   563
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   564
        case SER_REQUEST_INIT:
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   565
            if (status & (1 << 2)) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   566
                ser->control = 0x0000;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   567
                ser->state = SER_WAIT_FOR_INIT_RESPONSE;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   568
            } else {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   569
                ser->control = 1 << 2; // CW.2, request initialization
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   570
            }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   571
            break;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   572
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   573
        case SER_WAIT_FOR_INIT_RESPONSE:
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   574
            if (!(status & (1 << 2))) {
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   575
                printk(KERN_INFO PFX "EL600x init successful.\n");
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   576
                ser->tx_accepted_toggle = 1;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   577
                ser->control = 0x0000;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   578
                ser->state = SER_READY;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   579
            }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   580
            break;
1782
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   581
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   582
        case SER_SET_RTSCTS:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   583
            switch (ecrt_sdo_request_state(ser->rtscts_sdo)) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   584
                case EC_REQUEST_SUCCESS:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   585
                    printk(KERN_INFO PFX "Slave accepted rts/cts.\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   586
                    ser->current_rtscts = ser->requested_rtscts;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   587
                    ser->state = SER_REQUEST_INIT;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   588
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   589
                case EC_REQUEST_ERROR:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   590
                    printk(KERN_INFO PFX "Failed to set rts/cts!\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   591
                    ser->state = SER_REQUEST_INIT;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   592
                    ser->config_error = 1;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   593
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   594
                default:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   595
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   596
            }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   597
            break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   598
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   599
        case SER_SET_BAUD_RATE:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   600
            switch (ecrt_sdo_request_state(ser->baud_sdo)) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   601
                case EC_REQUEST_SUCCESS:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   602
                    printk(KERN_INFO PFX "Slave accepted baud rate.\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   603
                    ser->current_baud_rate = ser->requested_baud_rate;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   604
                    ser->state = SER_REQUEST_INIT;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   605
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   606
                case EC_REQUEST_ERROR:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   607
                    printk(KERN_INFO PFX "Failed to set baud rate!\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   608
                    ser->state = SER_REQUEST_INIT;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   609
                    ser->config_error = 1;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   610
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   611
                default:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   612
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   613
            }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   614
            break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   615
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   616
        case SER_SET_DATA_FRAME:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   617
            switch (ecrt_sdo_request_state(ser->frame_sdo)) {
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   618
                case EC_REQUEST_SUCCESS:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   619
                    printk(KERN_INFO PFX "Slave accepted data frame.\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   620
                    ser->current_data_frame = ser->requested_data_frame;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   621
                    ser->state = SER_REQUEST_INIT;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   622
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   623
                case EC_REQUEST_ERROR:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   624
                    printk(KERN_INFO PFX "Failed to set data frame!\n");
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   625
                    ser->state = SER_REQUEST_INIT;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   626
                    ser->config_error = 1;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   627
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   628
                default:
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   629
                    break;
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   630
            }
2ba454c790c5 Implemented setting of baud rate, data frame and RTS/CTS.
Florian Pose <fp@igh-essen.com>
parents: 1780
diff changeset
   631
            break;
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   632
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   633
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   634
    EC_WRITE_U16(pd + ser->off_ctrl, ser->control);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   635
    memcpy(pd + ser->off_tx, ser->tx_data, ser->tx_data_size);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   636
}
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   637
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   638
/*****************************************************************************/
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   639
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   640
void run_serial_devices(u8 *pd)
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   641
{
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   642
    el6002_t *ser;
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   643
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   644
    list_for_each_entry(ser, &handlers, list) {
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   645
        el6002_run(ser, pd);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   646
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   647
}
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   648
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   649
/*****************************************************************************/
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   650
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   651
int create_serial_devices(ec_master_t *master, ec_domain_t *domain)
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   652
{
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   653
    int i, ret;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   654
    ec_master_info_t master_info;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   655
    ec_slave_info_t slave_info;
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   656
    el6002_t *ser, *next;
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   657
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   658
    printk(KERN_INFO PFX "Registering serial devices...\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   659
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   660
    ret = ecrt_master(master, &master_info);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   661
    if (ret) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   662
        printk(KERN_ERR PFX "Failed to obtain master information.\n");
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   663
        goto out_return;
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   664
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   665
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   666
    for (i = 0; i < master_info.slave_count; i++) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   667
        ret = ecrt_master_get_slave(master, i, &slave_info);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   668
        if (ret) {
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   669
            printk(KERN_ERR PFX "Failed to obtain slave information.\n");
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   670
            goto out_free_handlers;
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   671
        }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   672
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   673
        if (slave_info.vendor_id != VendorIdBeckhoff
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   674
                || slave_info.product_code != ProductCodeBeckhoffEL6002) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   675
            continue;
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   676
        }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   677
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   678
        printk(KERN_INFO PFX "Creating handler for serial device"
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   679
                " at position %i\n", i);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   680
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   681
        ser = kmalloc(sizeof(*ser), GFP_KERNEL);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   682
        if (!ser) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   683
            printk(KERN_ERR PFX "Failed to allocate serial device object.\n");
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   684
            ret = -ENOMEM;
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   685
            goto out_free_handlers;
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   686
        }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   687
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   688
        ret = el6002_init(ser, master, i, domain);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   689
        if (ret) {
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   690
            printk(KERN_ERR PFX "Failed to init serial device object.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   691
            kfree(ser);
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   692
            goto out_free_handlers;
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   693
        }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   694
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   695
        list_add_tail(&ser->list, &handlers);
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   696
    }
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   697
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   698
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   699
    printk(KERN_INFO PFX "Finished.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   700
    return 0;
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   701
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   702
out_free_handlers:
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   703
    list_for_each_entry_safe(ser, next, &handlers, list) {
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   704
        list_del(&ser->list);
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   705
        el6002_clear(ser);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   706
        kfree(ser);
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   707
    }
1615
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   708
out_return:
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   709
    return ret;
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   710
}
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   711
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   712
/*****************************************************************************/
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   713
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   714
void free_serial_devices(void)
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   715
{
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   716
    el6002_t *ser, *next;
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   717
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   718
    printk(KERN_INFO PFX "Cleaning up serial devices...\n");
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   719
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   720
    list_for_each_entry_safe(ser, next, &handlers, list) {
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   721
        list_del(&ser->list);
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   722
        el6002_clear(ser);
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   723
        kfree(ser);
020ad9ad3afb TTY example: Auto-create multiple handlers.
Florian Pose <fp@igh-essen.com>
parents: 1614
diff changeset
   724
    }
1613
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   725
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   726
    printk(KERN_INFO PFX "Finished cleaning up serial devices.\n");
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   727
}
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   728
070b4b420ab1 TTY: Sourced serial device functions out into serial.c/serial.h.
Florian Pose <fp@igh-essen.com>
parents:
diff changeset
   729
/*****************************************************************************/