X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/97078fff5202521b758c9081d75580880417a123..11132ea490f9e860744ee4f851c67e7fb4444231:/lincan/src/pcccan.c diff --git a/lincan/src/pcccan.c b/lincan/src/pcccan.c index e7b5b22..290a44a 100644 --- a/lincan/src/pcccan.c +++ b/lincan/src/pcccan.c @@ -1,8 +1,10 @@ /* pcccan.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 */ /* This file contains the low level functions for the pcccan-1 card from Gespac. @@ -10,13 +12,6 @@ */ #include -#if defined (CONFIG_MODVERSIONS) && !defined (MODVERSIONS) -#define MODVERSIONS -#endif - -#if defined (MODVERSIONS) -#include -#endif #include #include @@ -66,15 +61,13 @@ unsigned long pcccan_base=0x0; * Return Value: The function returns zero on success or %-ENODEV on failure * File: src/pcccan.c */ -int pcccan_request_io(unsigned long io_addr) +int pcccan_request_io(struct candevice_t *candev) { - if (check_region(io_addr,IO_RANGE)) { - CANMSG("Unable to open port: 0x%lx\n",io_addr); + if (!can_request_io_region(candev->io_addr,IO_RANGE,DEVICE_NAME)) { + CANMSG("Unable to open port: 0x%lx\n",candev->io_addr); return -ENODEV; - } - else { - request_region(io_addr,IO_RANGE,DEVICE_NAME); - DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", io_addr, io_addr + IO_RANGE - 1); + } else { + DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", candev->io_addr, candev->io_addr + IO_RANGE - 1); } return 0; } @@ -91,9 +84,9 @@ int pcccan_request_io(unsigned long io_addr) * Return Value: The function always returns zero * File: src/pcccan.c */ -int pcccan_release_io(unsigned long io_addr) +int pcccan_release_io(struct candevice_t *candev) { - release_region(io_addr,IO_RANGE); + can_release_io_region(candev->io_addr,IO_RANGE); return 0; } @@ -108,20 +101,20 @@ int pcccan_release_io(unsigned long io_addr) * Return Value: The function returns zero on success or %-ENODEV on failure * File: src/pcccan.c */ -int pcccan_reset(int card) +int pcccan_reset(struct candevice_t *candev) { int i=0; DEBUGMSG("Resetting pcccan-1 hardware ...\n"); while (i < 1000000) { i++; - outb(0x0,candevices_p[card]->res_addr); + outb(0x0,candev->res_addr); } /* Check hardware reset status */ i=0; - outb(iCPU,candevices_p[card]->io_addr+0x1); - while ( (inb(candevices_p[card]->io_addr+0x2)&0x80) && (i<=15) ) { + outb(iCPU,candev->io_addr+0x1); + while ( (inb(candev->io_addr+0x2)&0x80) && (i<=15) ) { udelay(20000); i++; } @@ -153,12 +146,13 @@ int pcccan_reset(int card) * Return Value: The function always returns zero * File: src/pcccan.c */ -int pcccan_init_hw_data(int card) +int pcccan_init_hw_data(struct candevice_t *candev) { - candevices_p[card]->res_addr=candevices_p[card]->io_addr; - candevices_p[card]->nr_82527_chips=NR_82527; - candevices_p[card]->nr_sja1000_chips=NR_SJA1000; - candevices_p[card]->flags |= ~PROGRAMMABLE_IRQ; + candev->res_addr=candev->io_addr; + candev->nr_82527_chips=NR_82527; + candev->nr_sja1000_chips=NR_SJA1000; + candev->nr_all_chips=NR_82527+NR_SJA1000; + candev->flags &= ~PROGRAMMABLE_IRQ; return 0; } @@ -196,18 +190,18 @@ int pcccan_init_hw_data(int card) * Return Value: The function always returns zero * File: src/pcccan.c */ -int pcccan_init_chip_data(int card, int chipnr) +int pcccan_init_chip_data(struct candevice_t *candev, int chipnr) { - candevices_p[card]->chip[chipnr]->chip_type=CHIP_TYPE; - candevices_p[card]->chip[chipnr]->chip_base_addr=candevices_p[card]->io_addr; - candevices_p[card]->chip[chipnr]->clock = 16000000; - candevices_p[card]->chip[chipnr]->int_cpu_reg = iCPU_DSC | iCPU_DMC; - candevices_p[card]->chip[chipnr]->int_clk_reg = iCLK_SL1 | iCLK_CD0; - candevices_p[card]->chip[chipnr]->int_bus_reg = iBUS_CBY | iBUS_DR1; - candevices_p[card]->chip[chipnr]->sja_cdr_reg = 0; - candevices_p[card]->chip[chipnr]->sja_ocr_reg = 0; - pcccan_irq=candevices_p[card]->chip[chipnr]->chip_irq; - pcccan_base=candevices_p[card]->chip[chipnr]->chip_base_addr; + candev->chip[chipnr]->chip_type=CHIP_TYPE; + candev->chip[chipnr]->chip_base_addr=candev->io_addr; + candev->chip[chipnr]->clock = 16000000; + candev->chip[chipnr]->int_cpu_reg = iCPU_DSC | iCPU_DMC; + candev->chip[chipnr]->int_clk_reg = iCLK_SL1 | iCLK_CD0; + candev->chip[chipnr]->int_bus_reg = iBUS_CBY | iBUS_DR1; + candev->chip[chipnr]->sja_cdr_reg = 0; + candev->chip[chipnr]->sja_ocr_reg = 0; + pcccan_irq=candev->chip[chipnr]->chip_irq; + pcccan_base=candev->chip[chipnr]->chip_base_addr; return 0; } @@ -229,10 +223,10 @@ int pcccan_init_chip_data(int card, int chipnr) * Return Value: The function always returns zero * File: src/pcccan.c */ -int pcccan_init_obj_data(int chipnr, int objnr) +int pcccan_init_obj_data(struct chip_t *chip, int objnr) { - chips_p[chipnr]->msgobj[objnr]->obj_base_addr=(objnr+1)*0x10; - chips_p[chipnr]->msgobj[objnr]->flags=0; + chip->msgobj[objnr]->obj_base_addr=(objnr+1)*0x10; + chip->msgobj[objnr]->flags=0; return 0; } @@ -249,7 +243,7 @@ int pcccan_init_obj_data(int chipnr, int objnr) * Return value: The function returns zero on success or %-ENODEV on failure * File: src/pcccan.c */ -int pcccan_program_irq(int card) +int pcccan_program_irq(struct candevice_t *candev) { return 0; }