-/* ipci165.c
- * Linux CAN-bus device driver for IXXAT iPC-I 165 (PCI) compatible HW.
- * Written for new CAN driver version by Radim Kalas
- * email:kalas@unicontrols.cz
- * This software is released under the GPL-License.
- * Version lincan-0.3 17 Jun 2004
- */
+/**************************************************************************/
+/* File: ipci165.c - support for IXXAT iPC-I 165 (PCI) compatible HW */
+/* */
+/* LinCAN - (Not only) Linux CAN bus driver */
+/* Copyright (C) 2002-2009 DCE FEE CTU Prague <http://dce.felk.cvut.cz> */
+/* Copyright (C) 2002-2009 Pavel Pisa <pisa@cmp.felk.cvut.cz> */
+/* Copyright (C) 2004-2005 Radim Kalas <kalas@unicontrols.cz> */
+/* Funded by OCERA and FRESCOR IST projects */
+/* Based on CAN driver code by Arnaud Westenberg <arnaud@wanadoo.nl> */
+/* */
+/* LinCAN is free software; you can redistribute it and/or modify it */
+/* under terms of the GNU General Public License as published by the */
+/* Free Software Foundation; either version 2, or (at your option) any */
+/* later version. LinCAN is distributed in the hope that it will be */
+/* useful, but WITHOUT ANY WARRANTY; without even the implied warranty */
+/* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */
+/* General Public License for more details. You should have received a */
+/* copy of the GNU General Public License along with LinCAN; see file */
+/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */
+/* Cambridge, MA 02139, USA. */
+/* */
+/* To allow use of LinCAN in the compact embedded systems firmware */
+/* and RT-executives (RTEMS for example), main authors agree with next */
+/* special exception: */
+/* */
+/* Including LinCAN header files in a file, instantiating LinCAN generics */
+/* or templates, or linking other files with LinCAN objects to produce */
+/* an application image/executable, does not by itself cause the */
+/* resulting application image/executable to be covered by */
+/* the GNU General Public License. */
+/* This exception does not however invalidate any other reasons */
+/* why the executable file might be covered by the GNU Public License. */
+/* Publication of enhanced or derived LinCAN files is required although. */
+/**************************************************************************/
#include "../include/can.h"
#include "../include/can_sysdep.h"
#include <ctype.h>
+#ifndef IRQF_SHARED
+#define IRQF_SHARED SA_SHIRQ
+#endif /*IRQF_SHARED*/
+
can_irqreturn_t ipci165_irq_handler(CAN_IRQ_HANDLER_ARGS(irq_number, dev_id));
int ipci165_baud_rate(struct canchip_t *chip, int rate, int clock, int sjw,
int sampl_pt, int flags);
/* install interrupt routine */
if (request_irq(candev->sysdevptr.pcidev->irq,
ipci165_irq_handler,
- SA_SHIRQ,
+ IRQF_SHARED,
DEVICE_NAME,
candev))
return -ENODEV;
DEBUGMSG ("ipci165_set_btregs[%i]: btr0=%02x, btr1=%02x\n",chip->chip_idx,
(unsigned)btr0,(unsigned)btr1);
-
+
/* configure the chip */
data[0] = chip->chip_idx;
data[1] = btr0;
data[2] = btr1;
-
+
size = 1;
if (bci_command(chip->hostdevice, CMD_INIT_CAN, 3, data) ||
bci_response(chip->hostdevice, CMD_INIT_CAN, &size, data) ||
int size;
DEBUGMSG ("ipci165_start_chip[%i]\n",chip->chip_idx);
-
+
/* start CAN */
data[0] = chip->chip_idx;
-
+
size = 1;
if (bci_command(chip->hostdevice, CMD_START_CAN, 1, data) ||
bci_response(chip->hostdevice, CMD_START_CAN, &size, data) ||
int size;
DEBUGMSG ("ipci165_stop_chip[%i]\n",chip->chip_idx);
-
+
/* configure the chip */
data[0] = chip->chip_idx;
-
+
size = 1;
if (bci_command(chip->hostdevice, CMD_STOP_CAN, 1, data) ||
bci_response(chip->hostdevice, CMD_STOP_CAN, &size, data) ||
obj->rx_msg.flags = (frame_info & BCI_MSG_FRAME_RTR ? MSG_RTR : 0);
obj->rx_msg.cob = 0;
obj->rx_msg.timestamp.tv_sec = 0;
- obj->rx_msg.timestamp.tv_usec =
+ obj->rx_msg.timestamp.tv_usec =
BCI_TIMESTAMP_RES * can_readl(msg_addr + BCI_MSG_TIMESTAMP);
/* BCI_TIMESTAMP_RES * le32_to_cpu(can_readl(msg_addr + BCI_MSG_TIMESTAMP)); */
DEBUGMSG ("ipci165_irq_read_handler[%i]: CAN status=%04x\n",chip->chip_idx, status);
/* wake up the reset thread if the CAN is in bus off */
- if (status & BCI_CAN_STATUS_BUS_OFF)
+ if (status & BCI_CAN_STATUS_BUS_OFF)
{
CANMSG ("BUS-OFF detected! Restarting\n");
set_bit(CHIP_FLAG_BUS_OFF,&chip_data->flags);
*/
void ipci165_irq_sync_activities(struct canchip_t *chip, struct msgobj_t *obj)
{
- while(!can_msgobj_test_and_set_fl(obj,TX_LOCK))
+ while(!can_msgobj_test_and_set_fl(obj,TX_LOCK))
{
- if(can_msgobj_test_and_clear_fl(obj,TX_REQUEST))
+ if(can_msgobj_test_and_clear_fl(obj,TX_REQUEST))
{
ipci165_irq_write_handler(chip, obj);
}
* @chip: pointer to chip state structure
*
* The main purpose of this function is to perform all necessary channel
- * operations as a reaction on signalled interrupt.
+ * operations as a reaction on signalled interrupt.
* File: src/ipci165.c
*/
void ipci165_irq_chip_handler(struct canchip_t *chip)
{
struct msgobj_t *obj = chip->msgobj[0];
struct ipci165_chip_t *chip_data = chip->chip_data;
- struct bci_queue_t *queue;
+ struct bci_queue_t *queue;
DEBUGMSG ("ipci165_irq_chip_handler[%i]\n",chip->chip_idx);
* The CAN driver uses this pointer to store relationship of interrupt
* to chip state structure - @struct canchip_t
* @regs: system dependent value pointing to registers stored in exception frame
- *
+ *
* The interrupt handler is activated when the ipci165 controller generates
* an interrupt as a reaction an internal state change. The interrupt is
* acknowledged and ipci165_irq_chip_handler is called for every channel.
{
#endif /*(LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))*/
- if ((candev->dev_base_addr = ioremap(dpram_addr,
+ if ((candev->dev_base_addr = ioremap(dpram_addr,
pci_resource_len(candev->sysdevptr.pcidev,2))))
{
DEBUGMSG ("ipci165_request_io: dpram remapped to 0x%lx\n", candev->dev_base_addr);
- if ((candev->aux_base_addr = ioremap(crm_addr,
+ if ((candev->aux_base_addr = ioremap(crm_addr,
pci_resource_len(candev->sysdevptr.pcidev,0))))
{
DEBUGMSG ("ipci165_request_io: crm remapped to 0x%lx\n", can_ioptr2ulong(candev->aux_base_addr));
{
struct ipci165_chip_t *chip_data;
int i;
-
+
/* disable irq on HW */
ipci165_disconnect_irq(candev);
DEBUGMSG ("ipci165_download_fw\n");
- /* read name and version */
+ /* read name and version */
memcpy_fromio (board_name, dpram_addr + BOARD_NAME_OFS, BOARD_NAME_LEN);
board_name[BOARD_NAME_LEN] = 0;
candev->nr_all_chips = chips;
canchip_done(candev->chip[1]);
- } else CANMSG ("Chip 2 Type: %s\n",buffer+OF_BOARD_INFO_CHIP2_TYPE);
+ } else CANMSG ("Chip 2 Type: %s\n",buffer+OF_BOARD_INFO_CHIP2_TYPE);
/* start kernel threads */
for (i = 0 ; i < chips ; i++)
int ipci165_init_hw_data(struct candevice_t *candev)
{
struct pci_dev *pcidev = NULL;
- unsigned short SubsystemID;
DEBUGMSG ("ipci165_init_hw_data\n");
/* find iPC-I 165 on PCI bus */
do
{
- pcidev = pci_find_device(IPCI165_VENDOR_ID, IPCI165_DEVICE_ID, pcidev);
- if(pcidev == NULL) return -ENODEV;
+ pcidev = can_pci_get_device(IPCI165_VENDOR_ID, IPCI165_DEVICE_ID, pcidev);
+ if(pcidev == NULL)
+ return -ENODEV;
/* check subvendor ID */
- pci_read_config_word (pcidev, PCI_SUBSYSTEM_ID, &SubsystemID);
- if ((SubsystemID != IPCI165_SUBSYSTEM_ID) &&
- (SubsystemID != CP350_SUBSYSTEM_ID))
- break;
+ if ((pcidev->subsystem_vendor != IPCI165_SUBSYSTEM_ID) &&
+ (pcidev->subsystem_vendor != CP350_SUBSYSTEM_ID))
+ continue;
}
while(can_check_dev_taken(pcidev));
if (pci_enable_device (pcidev))
{
CANMSG ("Cannot enable PCI device\n");
+ can_pci_dev_put(pcidev);
return -EIO;
}
/* we do not know yet, whether our HW has one or two chan chips. Let's
prepare configuration for maximal configuration = 2. This will be
corrected later on */
- candev->nr_all_chips=2;
+ candev->nr_all_chips=2;
candev->flags |= CANDEV_PROGRAMMABLE_IRQ*0;
/* initialize device spinlock */
can_spin_lock_init(&candev->device_lock);
return 0;
}
+void ipci165_done_hw_data(struct candevice_t *candev)
+{
+ struct pci_dev *pcidev = candev->sysdevptr.pcidev;
+ can_pci_dev_put(pcidev);
+}
+
#define CHIP_TYPE "ipci165"
/**
int ipci165_init_obj_data(struct canchip_t *chip, int objnr)
{
struct msgobj_t *obj=chip->msgobj[objnr];
-
+
DEBUGMSG ("ipci165_init_obj_data\n");
-
+
obj->obj_base_addr = 0; /* not known yet */
obj->tx_timeout.function = ipci165_do_tx_timeout;
obj->tx_timeout.data = (unsigned long)obj;
hwspecops->release_io = ipci165_release_io;
hwspecops->reset = ipci165_reset;
hwspecops->init_hw_data = ipci165_init_hw_data;
+ hwspecops->done_hw_data = ipci165_done_hw_data;
hwspecops->init_chip_data = ipci165_init_chip_data;
hwspecops->init_obj_data = ipci165_init_obj_data;
hwspecops->write_register = NULL;
strp = str;
for (j = 0; j < to ; j++)
strp += sprintf(strp, "%02x ",buf[j]);
- for (; j < 16 ; j++)
+ for (; j < 16 ; j++)
strp += sprintf(strp, " ");
for (j = 0; j < to ; j++)
*strp++= isprint(buf[j]) ? buf[j] : '.';
projects / lincan.git / blobdiff