/* pip.c
* Linux CAN-bus device driver.
* Written by Arnaud Westenberg email:arnaud@wanadoo.nl
+ * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
+ * email:pisa@cmp.felk.cvut.cz
* This software is released under the GPL-License.
- * Version 0.7 6 Aug 2001
+ * Version lincan-0.2 9 Jul 2003
*/
#include <linux/autoconf.h>
-#if defined (CONFIG_MODVERSIONS) && !defined (MODVERSIONS)
-#define MODVERSIONS
-#endif
-
-#if defined (MODVERSIONS)
-#include <linux/modversions.h>
-#endif
#include <linux/ioport.h>
#include <linux/delay.h>
#include "../include/pip.h"
#include "../include/i82527.h"
-int pip5_request_io(unsigned long io_addr)
+int pip5_request_io(struct candevice_t *candev)
{
- if (io_addr != 0x8000) {
+ if (candev->io_addr != 0x8000) {
CANMSG("Invalid base io address\n");
CANMSG("The PIP5 uses a fixed base address of 0x8000,\n");
CANMSG("please consult your user manual.\n");
return -ENODEV;
}
- if (check_region(io_addr,0x100)) {
- CANMSG("Unable to open port: 0x%lx\n",io_addr);
+ if (!can_request_io_region(candev->io_addr,0x100,DEVICE_NAME)) {
+ CANMSG("Unable to open port: 0x%lx\n",candev->io_addr);
return -ENODEV;
}
- else if(check_region(io_addr+0x102,0x01)) {
- CANMSG("Unable to open port: 0x%lx\n",io_addr+0x102);
+ else if(!can_request_io_region(candev->io_addr+0x102,0x01,DEVICE_NAME)) {
+ can_release_io_region(candev->io_addr,0x100);
+ CANMSG("Unable to open port: 0x%lx\n",candev->io_addr+0x102);
return -ENODEV;
}
else {
- request_region(io_addr,0x100,DEVICE_NAME);
- DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", io_addr, io_addr + 0x100 - 1);
- request_region(io_addr+0x102,0x01,DEVICE_NAME);
- DEBUGMSG("Registered IO-memory: 0x%lx\n", io_addr+0x102);
+ DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", candev->io_addr, candev->io_addr + 0x100 - 1);
+ DEBUGMSG("Registered IO-memory: 0x%lx\n", candev->io_addr+0x102);
}
return 0;
}
-int pip6_request_io(unsigned long io_addr)
+int pip6_request_io(struct candevice_t *candev)
{
- if ( (io_addr != 0x1000)&&(io_addr != 0x8000)&&(io_addr != 0xe000)) {
+ if ( (candev->io_addr != 0x1000)&&(candev->io_addr != 0x8000)&&(candev->io_addr != 0xe000)) {
CANMSG("Invalid base io address\n");
CANMSG("Valid values for the PIP6 are: 0x1000, 0x8000 or 0xe000\n");
CANMSG("Please consult your user manual.\n");
return -ENODEV;
}
- if (check_region(io_addr,0x100)) {
- CANMSG("Unable to open port: 0x%lx\n",io_addr);
+ if (!can_request_io_region(candev->io_addr,0x100, DEVICE_NAME)) {
+ CANMSG("Unable to open port: 0x%lx\n",candev->io_addr);
return -ENODEV;
}
- else if (check_region(0x804, 0x02)) {
+ else if (!can_request_io_region(0x804,0x02,DEVICE_NAME)) {
+ can_release_io_region(candev->io_addr,0x100);
CANMSG("Unable to open port: 0x%x\n", 0x804);
return -ENODEV;
}
else {
- request_region(io_addr,0x100, DEVICE_NAME);
- DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", io_addr, io_addr + 0x100 -1);
- request_region(0x804,0x02,DEVICE_NAME);
+ DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", candev->io_addr, candev->io_addr + 0x100 -1);
DEBUGMSG("Registered IO-memory : 0x%x - 0x%x\n",0x804,0x805);
}
return 0;
}
-int pip5_release_io(unsigned long io_addr)
+int pip5_release_io(struct candevice_t *candev)
{
- release_region(io_addr,0x100);
- release_region(io_addr+0x102,0x01);
+ can_release_io_region(candev->io_addr,0x100);
+ can_release_io_region(candev->io_addr+0x102,0x01);
return 0;
}
-int pip6_release_io(unsigned long io_addr)
+int pip6_release_io(struct candevice_t *candev)
{
- release_region(io_addr,0x100);
- release_region(0x804,0x02);
+ can_release_io_region(candev->io_addr,0x100);
+ can_release_io_region(0x804,0x02);
return 0;
}
-int pip_reset(int card)
+int pip_reset(struct candevice_t *candev)
{
int i=0, res_value=0;
- DEBUGMSG("Resetting %s hardware ...\n", candevices_p[card]->hwname);
- if (!strcmp(candevices_p[card]->hwname,"pip5"))
+ DEBUGMSG("Resetting %s hardware ...\n", candev->hwname);
+ if (!strcmp(candev->hwname,"pip5"))
res_value = 0xcf;
else
res_value = 0x01;
while (i < 1000000) {
i++;
- outb(res_value,candevices_p[card]->res_addr);
+ outb(res_value,candev->res_addr);
}
- outb(0x0,candevices_p[card]->res_addr);
+ outb(0x0,candev->res_addr);
/* Check hardware reset status */
i=0;
- while ( (inb(candevices_p[card]->io_addr+iCPU) & iCPU_RST) && (i<=15)) {
+ while ( (inb(candev->io_addr+iCPU) & iCPU_RST) && (i<=15)) {
udelay(20000);
i++;
}
return 0;
}
-int pip_init_hw_data(int card)
+int pip_init_hw_data(struct candevice_t *candev)
{
- if (!strcmp(candevices_p[card]->hwname,"pip5"))
- candevices_p[card]->res_addr=candevices_p[card]->io_addr+0x102;
+ if (!strcmp(candev->hwname,"pip5"))
+ candev->res_addr=candev->io_addr+0x102;
else
- candevices_p[card]->res_addr=0x805;
- candevices_p[card]->nr_82527_chips=1;
- candevices_p[card]->nr_sja1000_chips=0;
- candevices_p[card]->flags |= PROGRAMMABLE_IRQ;
+ candev->res_addr=0x805;
+ candev->nr_82527_chips=1;
+ candev->nr_sja1000_chips=0;
+ candev->nr_all_chips=1;
+ candev->flags |= PROGRAMMABLE_IRQ;
return 0;
}
-int pip_init_chip_data(int card, int chipnr)
+int pip_init_chip_data(struct candevice_t *candev, int chipnr)
{
- candevices_p[card]->chip[chipnr]->chip_type="i82527";
- candevices_p[card]->chip[chipnr]->chip_base_addr=candevices_p[card]->io_addr;
- candevices_p[card]->chip[chipnr]->clock = 16000000;
- if (!strcmp(candevices_p[card]->hwname,"pip5"))
- candevices_p[card]->chip[chipnr]->int_cpu_reg = iCPU_DSC;
+ candev->chip[chipnr]->chip_type="i82527";
+ candev->chip[chipnr]->chip_base_addr=candev->io_addr;
+ candev->chip[chipnr]->clock = 16000000;
+ if (!strcmp(candev->hwname,"pip5"))
+ candev->chip[chipnr]->int_cpu_reg = iCPU_DSC;
else
- candevices_p[card]->chip[chipnr]->int_cpu_reg = 0x0;
- candevices_p[card]->chip[chipnr]->int_clk_reg = iCLK_SL1;
- candevices_p[card]->chip[chipnr]->int_bus_reg = iBUS_CBY;
- candevices_p[card]->chip[chipnr]->sja_cdr_reg = 0;
- candevices_p[card]->chip[chipnr]->sja_ocr_reg = 0;
+ candev->chip[chipnr]->int_cpu_reg = 0x0;
+ candev->chip[chipnr]->int_clk_reg = iCLK_SL1;
+ candev->chip[chipnr]->int_bus_reg = iBUS_CBY;
+ candev->chip[chipnr]->sja_cdr_reg = 0;
+ candev->chip[chipnr]->sja_ocr_reg = 0;
return 0;
}
-int pip_init_obj_data(int chipnr, int objnr)
+int pip_init_obj_data(struct chip_t *chip, int objnr)
{
- chips_p[chipnr]->msgobj[objnr]->obj_base_addr=chips_p[chipnr]->chip_base_addr+(objnr+1)*0x10;
- chips_p[chipnr]->msgobj[objnr]->flags=0;
+ chip->msgobj[objnr]->obj_base_addr=chip->chip_base_addr+(objnr+1)*0x10;
+ chip->msgobj[objnr]->flags=0;
return 0;
}
-int pip5_program_irq(int card)
+int pip5_program_irq(struct candevice_t *candev)
{
- outb(0x01, candevices_p[card]->res_addr);
- switch (candevices_p[card]->chip[0]->chip_irq) {
- case 3: { outb(0x03, candevices_p[card]->res_addr); break; }
- case 4: { outb(0x05, candevices_p[card]->res_addr); break; }
- case 5: { outb(0x07, candevices_p[card]->res_addr); break; }
- case 10: { outb(0x09, candevices_p[card]->res_addr); break; }
- case 11: { outb(0x0c, candevices_p[card]->res_addr); break; }
- case 15: { outb(0x0d, candevices_p[card]->res_addr); break; }
+ outb(0x01, candev->res_addr);
+ switch (candev->chip[0]->chip_irq) {
+ case 3: { outb(0x03, candev->res_addr); break; }
+ case 4: { outb(0x05, candev->res_addr); break; }
+ case 5: { outb(0x07, candev->res_addr); break; }
+ case 10: { outb(0x09, candev->res_addr); break; }
+ case 11: { outb(0x0c, candev->res_addr); break; }
+ case 15: { outb(0x0d, candev->res_addr); break; }
default: {
CANMSG("Supplied interrupt is not supported by the hardware\n");
CANMSG("Please consult your user manual.\n");
return -ENODEV;
}
}
- outb(0x00, candevices_p[card]->res_addr);
+ outb(0x00, candev->res_addr);
return 0;
}
-int pip6_program_irq(int card)
+int pip6_program_irq(struct candevice_t *candev)
{
unsigned char can_int = 0, can_addr = 0;
- can_int = candevices_p[card]->chip[0]->chip_irq;
+ can_int = candev->chip[0]->chip_irq;
if ((can_int != 3) && (can_int != 4) && (can_int != 5) && (can_int != 6)
&& (can_int != 7) && (can_int != 9) && (can_int != 10) &&
(can_int != 11) && (can_int != 12) && (can_int != 14) &&
CANMSG("Please consult your user manual.\n");
return -ENODEV;
}
- switch (candevices_p[card]->io_addr) {
+ switch (candev->io_addr) {
case 0x1000: { can_addr = 0x01; break; }
case 0x8000: { can_addr = 0x02; break; }
case 0xe000: { can_addr = 0x03; break; }
projects / lincan.git / blobdiff