X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/4dc78b4651f006bf0404c8ec7db85651bcee7c2e..04ac67cc3cac14cd601daacd0592121ec0b84012:/lincan/src/kv_pcican.c diff --git a/lincan/src/kv_pcican.c b/lincan/src/kv_pcican.c index 30ac377..cb0d4b5 100644 --- a/lincan/src/kv_pcican.c +++ b/lincan/src/kv_pcican.c @@ -63,13 +63,13 @@ /* -You need to know the following: -" RX1 is connected to ground. -" TX1 is not connected. -" CLKO is not connected. -" Setting the OCR register to 0xDA is a good idea. - This means normal output mode , push-pull and the correct polarity. -" In the CDR register, you should set CBP to 1. +You need to know the following: +" RX1 is connected to ground. +" TX1 is not connected. +" CLKO is not connected. +" Setting the OCR register to 0xDA is a good idea. + This means normal output mode , push-pull and the correct polarity. +" In the CDR register, you should set CBP to 1. You will probably also want to set the clock divider value to 0 (meaning divide-by-2), the Pelican bit, and the clock-off bit (you have no need for CLKOUT anyway.) @@ -126,7 +126,7 @@ int kv_pcican_request_io(struct candevice_t *candev) error_io: pci_release_region(candev->sysdevptr.pcidev, 0); #endif /*(LINUX_VERSION_CODE > KERNEL_VERSION(2,4,21))*/ - + return -ENODEV; } @@ -148,7 +148,7 @@ int kv_pcican_release_io(struct candevice_t *candev) void kv_pcican_write_register(unsigned data, can_ioptr_t address) { - can_outb(data,address); + can_outb(data,address); } unsigned kv_pcican_read_register(can_ioptr_t address) @@ -193,15 +193,15 @@ int kv_pcican_reset(struct candevice_t *candev) kv_pcican_write_register(cdr|sjaCDR_PELICAN, chip->chip_base_addr+SJACDR); kv_pcican_write_register(0, chip->chip_base_addr+SJAIER); - + kv_pcican_read_register(chip->chip_base_addr+SJAIR); } - + kv_pcican_connect_irq(candev); return 0; -} +} int kv_pcican_init_hw_data(struct candevice_t *candev) { @@ -211,14 +211,14 @@ int kv_pcican_init_hw_data(struct candevice_t *candev) pcidev = can_pci_get_next_untaken_device(KV_PCICAN_PCICAN_VENDOR, KV_PCICAN_PCICAN_ID); if(pcidev == NULL) return -ENODEV; - + if (pci_enable_device (pcidev)){ printk(KERN_CRIT "Setup of PCICAN failed\n"); can_pci_dev_put(pcidev); return -EIO; } candev->sysdevptr.pcidev=pcidev; - + for(i=0;i<3;i++){ if(!(pci_resource_flags(pcidev,i)&IORESOURCE_IO)){ printk(KERN_CRIT "PCICAN region %d is not IO\n",i); @@ -229,7 +229,7 @@ int kv_pcican_init_hw_data(struct candevice_t *candev) candev->dev_base_addr=pci_resource_start(pcidev,0); /*S5920*/ candev->io_addr=pci_resource_start(pcidev,1); /*IO window for SJA1000 chips*/ candev->res_addr=pci_resource_start(pcidev,2); /*XILINX board wide address*/ - + /*candev->flags |= CANDEV_PROGRAMMABLE_IRQ;*/ if (!strcmp(candev->hwname,"pcican-s")) { @@ -262,7 +262,7 @@ int kv_pcican_init_chip_data(struct candevice_t *candev, int chipnr) if(candev->sysdevptr.pcidev==NULL) return -ENODEV; - + candev->chip[chipnr]->chip_irq=candev->sysdevptr.pcidev->irq; sja1000p_fill_chipspecops(candev->chip[chipnr]); @@ -278,7 +278,7 @@ int kv_pcican_init_chip_data(struct candevice_t *candev, int chipnr) candev->chip[chipnr]->flags |= CHIP_IRQ_PCI; return 0; -} +} int kv_pcican_init_obj_data(struct canchip_t *chip, int objnr) {