X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/97078fff5202521b758c9081d75580880417a123..11132ea490f9e860744ee4f851c67e7fb4444231:/lincan/src/smartcan.c diff --git a/lincan/src/smartcan.c b/lincan/src/smartcan.c index c41c2d6..731f657 100644 --- a/lincan/src/smartcan.c +++ b/lincan/src/smartcan.c @@ -1,18 +1,13 @@ /* smartcan.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 -#if defined (CONFIG_MODVERSIONS) && !defined (MODVERSIONS) -#define MODVERSIONS -#endif - -#if defined (MODVERSIONS) -#include -#endif #include #include @@ -28,44 +23,40 @@ int smartcan_irq=-1; unsigned long smartcan_base=0x0; -int smartcan_request_io(unsigned long io_addr) +int smartcan_request_io(struct candevice_t *candev) { - int err=0; - - if ( (err=check_region(io_addr,0x04)) < 0 ) { - CANMSG("Unable to open port: 0x%lx\n",io_addr); + if (!can_request_io_region(candev->io_addr,0x04,DEVICE_NAME)) { + CANMSG("Unable to open port: 0x%lx\n",candev->io_addr); return -ENODEV; - } - else { - request_region(io_addr,0x04,DEVICE_NAME); - DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", io_addr, io_addr + 0x04 - 1); + }else { + DEBUGMSG("Registered IO-memory: 0x%lx - 0x%lx\n", candev->io_addr, candev->io_addr + 0x04 - 1); } return 0; } -int smartcan_release_io(unsigned long io_addr) +int smartcan_release_io(struct candevice_t *candev) { - release_region(io_addr,0x04); + can_release_io_region(candev->io_addr,0x04); return 0; } -int smartcan_reset(int card) +int smartcan_reset(struct candevice_t *candev) { int i=0; DEBUGMSG("Resetting smartcan hardware ...\n"); - outb(0x00,candevices_p[card]->res_addr); + outb(0x00,candev->res_addr); while (i < 1000000) { i++; - outb(0x01,candevices_p[card]->res_addr); + outb(0x01,candev->res_addr); } - outb(0x00,candevices_p[card]->res_addr); + outb(0x00,candev->res_addr); /* Check hardware reset status */ i=0; - outb(candevices_p[card]->io_addr+iCPU,candevices_p[card]->io_addr); - while ( (inb(candevices_p[card]->io_addr+1)&0x80) && (i<=15) ) { + outb(candev->io_addr+iCPU,candev->io_addr); + while ( (inb(candev->io_addr+1)&0x80) && (i<=15) ) { udelay(20000); i++; } @@ -80,35 +71,36 @@ int smartcan_reset(int card) return 0; } -int smartcan_init_hw_data(int card) +int smartcan_init_hw_data(struct candevice_t *candev) { - candevices_p[card]->res_addr=candevices_p[card]->io_addr+0x02; - candevices_p[card]->nr_82527_chips=1; - candevices_p[card]->nr_sja1000_chips=0; - + candev->res_addr=candev->io_addr+0x02; + candev->nr_82527_chips=1; + candev->nr_sja1000_chips=0; + candev->nr_all_chips=1; + return 0; } -int smartcan_init_chip_data(int card, int chipnr) +int smartcan_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; - candevices_p[card]->chip[chipnr]->int_cpu_reg = iCPU_DSC; - 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; - smartcan_irq=candevices_p[card]->chip[chipnr]->chip_irq; - smartcan_base=candevices_p[card]->chip[chipnr]->chip_base_addr; + candev->chip[chipnr]->chip_type="i82527"; + candev->chip[chipnr]->chip_base_addr=candev->io_addr; + candev->chip[chipnr]->clock = 16000000; + candev->chip[chipnr]->int_cpu_reg = iCPU_DSC; + 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; + smartcan_irq=candev->chip[chipnr]->chip_irq; + smartcan_base=candev->chip[chipnr]->chip_base_addr; return 0; } -int smartcan_init_obj_data(int chipnr, int objnr) +int smartcan_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; } @@ -132,7 +124,7 @@ unsigned smartcan_read_register(unsigned long address) return ret; } -int smartcan_program_irq(int card) +int smartcan_program_irq(struct candevice_t *candev) { CANMSG("The 'smartcan' card doesn't have programmable interrupts\n"); return 0;