1 /**************************************************************************/
2 /* File: unican_vme.c - Unicontrols VME board additional support */
4 /* LinCAN - (Not only) Linux CAN bus driver */
5 /* Copyright (C) 2002-2009 DCE FEE CTU Prague <http://dce.felk.cvut.cz> */
6 /* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz> */
7 /* Funded by OCERA and FRESCOR IST projects */
8 /* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl> */
10 /* LinCAN is free software; you can redistribute it and/or modify it */
11 /* under terms of the GNU General Public License as published by the */
12 /* Free Software Foundation; either version 2, or (at your option) any */
13 /* later version. LinCAN is distributed in the hope that it will be */
14 /* useful, but WITHOUT ANY WARRANTY; without even the implied warranty */
15 /* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */
16 /* General Public License for more details. You should have received a */
17 /* copy of the GNU General Public License along with LinCAN; see file */
18 /* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */
19 /* Cambridge, MA 02139, USA. */
21 /* To allow use of LinCAN in the compact embedded systems firmware */
22 /* and RT-executives (RTEMS for example), main authors agree with next */
23 /* special exception: */
25 /* Including LinCAN header files in a file, instantiating LinCAN generics */
26 /* or templates, or linking other files with LinCAN objects to produce */
27 /* an application image/executable, does not by itself cause the */
28 /* resulting application image/executable to be covered by */
29 /* the GNU General Public License. */
30 /* This exception does not however invalidate any other reasons */
31 /* why the executable file might be covered by the GNU Public License. */
32 /* Publication of enhanced or derived LinCAN files is required although. */
33 /**************************************************************************/
34 /* This file is included in unican.c if CAN_ENABLE_VME_SUPPORT is
39 * unican_vme_init_hw_data - Initialize hardware cards
40 * @candev: Pointer to candevice/board structure
42 * Return Value: The function always returns zero
45 int unican_vme_reset(struct candevice_t *candev)
48 struct canchip_t *chip = candev->chip[0];
50 ret = unican_reset(candev);
52 /* Setup VME interrupt vector */
54 unican_writew(chip->chip_irq, chip->chip_base_addr+CL2_VME_INT_VECTOR);
60 * unican_vme_init_chip_data - Initialize chips
61 * @candev: Pointer to candevice/board structure
62 * @chipnr: Number of the CAN chip on the hardware card
64 * Return Value: The function always returns zero
67 int unican_vme_init_chip_data(struct candevice_t *candev, int chipnr)
69 struct canchip_t *chip = candev->chip[chipnr];
71 unican_init_chip_data(candev, chipnr);
73 chip->flags |= CHIP_IRQ_VME;
74 /*chip->chipspecops->irq_handler=unican_irq_handler;*/
79 int unican_vme_init_hw_data(struct candevice_t *candev)
81 unican_init_hw_data(candev);
82 candev->flags |= CANDEV_PROGRAMMABLE_IRQ;
87 int unican_vme_register(struct hwspecops_t *hwspecops)
89 unican_register(hwspecops);
91 hwspecops->init_hw_data = unican_vme_init_hw_data;
92 hwspecops->init_chip_data = unican_vme_init_chip_data;
93 hwspecops->request_io = unican_request_io;
94 hwspecops->reset = unican_vme_reset;
95 hwspecops->release_io = unican_release_io;