X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/a4c9ead4b64bd4de307f375c2ff313a7a07a06e0..95c031e101c74ae6472a7e538f3128f67a490082:/lincan/src/sja1000p.c diff --git a/lincan/src/sja1000p.c b/lincan/src/sja1000p.c index d59b82b..dd9d696 100644 --- a/lincan/src/sja1000p.c +++ b/lincan/src/sja1000p.c @@ -18,7 +18,7 @@ * sja1000p_enable_configuration - enable chip configuration mode * @chip: pointer to chip state structure */ -int sja1000p_enable_configuration(struct chip_t *chip) +int sja1000p_enable_configuration(struct canchip_t *chip) { int i=0; enum sja1000_PeliCAN_MOD flags; @@ -48,7 +48,7 @@ int sja1000p_enable_configuration(struct chip_t *chip) * sja1000p_disable_configuration - disable chip configuration mode * @chip: pointer to chip state structure */ -int sja1000p_disable_configuration(struct chip_t *chip) +int sja1000p_disable_configuration(struct canchip_t *chip) { int i=0; enum sja1000_PeliCAN_MOD flags; @@ -86,7 +86,7 @@ int sja1000p_disable_configuration(struct chip_t *chip) * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_chip_config(struct chip_t *chip) +int sja1000p_chip_config(struct canchip_t *chip) { int i; unsigned char n, r; @@ -138,7 +138,7 @@ int sja1000p_chip_config(struct chip_t *chip) * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_extended_mask(struct chip_t *chip, unsigned long code, unsigned long mask) +int sja1000p_extended_mask(struct canchip_t *chip, unsigned long code, unsigned long mask) { int i; @@ -173,7 +173,7 @@ int sja1000p_extended_mask(struct chip_t *chip, unsigned long code, unsigned lo * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_baud_rate(struct chip_t *chip, int rate, int clock, int sjw, +int sja1000p_baud_rate(struct canchip_t *chip, int rate, int clock, int sjw, int sampl_pt, int flags) { int best_error = 1000000000, error; @@ -240,7 +240,7 @@ int sja1000p_baud_rate(struct chip_t *chip, int rate, int clock, int sjw, * * File: src/sja1000p.c */ -void sja1000p_read(struct chip_t *chip, struct msgobj_t *obj) { +void sja1000p_read(struct canchip_t *chip, struct msgobj_t *obj) { int i, flags, len, datastart; do { flags = can_read_reg(chip,SJAFRM); @@ -267,6 +267,9 @@ void sja1000p_read(struct chip_t *chip, struct msgobj_t *obj) { obj->rx_msg.data[i]=can_read_reg(chip,datastart+i); } + /* fill CAN message timestamp */ + can_filltimestamp(&obj->rx_msg.timestamp); + canque_filter_msg2edges(obj->qends, &obj->rx_msg); can_write_reg(chip, sjaCMR_RRB, SJACMR); @@ -283,7 +286,7 @@ void sja1000p_read(struct chip_t *chip, struct msgobj_t *obj) { * Positive value indicates immediate reception of message. * File: src/sja1000p.c */ -int sja1000p_pre_read_config(struct chip_t *chip, struct msgobj_t *obj) +int sja1000p_pre_read_config(struct canchip_t *chip, struct msgobj_t *obj) { int status; status=can_read_reg(chip,SJASR); @@ -322,7 +325,7 @@ int sja1000p_pre_read_config(struct chip_t *chip, struct msgobj_t *obj) * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_pre_write_config(struct chip_t *chip, struct msgobj_t *obj, +int sja1000p_pre_write_config(struct canchip_t *chip, struct msgobj_t *obj, struct canmsg_t *msg) { int i=0; @@ -401,7 +404,7 @@ int sja1000p_pre_write_config(struct chip_t *chip, struct msgobj_t *obj, * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_send_msg(struct chip_t *chip, struct msgobj_t *obj, +int sja1000p_send_msg(struct canchip_t *chip, struct msgobj_t *obj, struct canmsg_t *msg) { can_write_reg(chip, sjaCMR_TR, SJACMR); @@ -418,7 +421,7 @@ int sja1000p_send_msg(struct chip_t *chip, struct msgobj_t *obj, * Zero value indicates finishing of all issued transmission requests. * File: src/sja1000p.c */ -int sja1000p_check_tx_stat(struct chip_t *chip) +int sja1000p_check_tx_stat(struct canchip_t *chip) { if (can_read_reg(chip,SJASR) & sjaSR_TCS) return 0; @@ -435,7 +438,7 @@ int sja1000p_check_tx_stat(struct chip_t *chip) * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_set_btregs(struct chip_t *chip, unsigned short btr0, +int sja1000p_set_btregs(struct canchip_t *chip, unsigned short btr0, unsigned short btr1) { if (sja1000p_enable_configuration(chip)) @@ -456,7 +459,7 @@ int sja1000p_set_btregs(struct chip_t *chip, unsigned short btr0, * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_start_chip(struct chip_t *chip) +int sja1000p_start_chip(struct canchip_t *chip) { enum sja1000_PeliCAN_MOD flags; @@ -473,7 +476,7 @@ int sja1000p_start_chip(struct chip_t *chip) * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_stop_chip(struct chip_t *chip) +int sja1000p_stop_chip(struct canchip_t *chip) { enum sja1000_PeliCAN_MOD flags; @@ -492,7 +495,7 @@ int sja1000p_stop_chip(struct chip_t *chip) * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_remote_request(struct chip_t *chip, struct msgobj_t *obj) +int sja1000p_remote_request(struct canchip_t *chip, struct msgobj_t *obj) { CANMSG("sja1000p_remote_request not implemented\n"); return -ENOSYS; @@ -507,7 +510,7 @@ int sja1000p_remote_request(struct chip_t *chip, struct msgobj_t *obj) * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_standard_mask(struct chip_t *chip, unsigned short code, +int sja1000p_standard_mask(struct canchip_t *chip, unsigned short code, unsigned short mask) { CANMSG("sja1000p_standard_mask not implemented\n"); @@ -521,7 +524,7 @@ int sja1000p_standard_mask(struct chip_t *chip, unsigned short code, * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_clear_objects(struct chip_t *chip) +int sja1000p_clear_objects(struct canchip_t *chip) { CANMSG("sja1000p_clear_objects not implemented\n"); return -ENOSYS; @@ -535,7 +538,7 @@ int sja1000p_clear_objects(struct chip_t *chip) * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_config_irqs(struct chip_t *chip, short irqs) +int sja1000p_config_irqs(struct canchip_t *chip, short irqs) { CANMSG("sja1000p_config_irqs not implemented\n"); return -ENOSYS; @@ -552,13 +555,16 @@ int sja1000p_config_irqs(struct chip_t *chip, short irqs) * sja1000p_irq_write_handler() for transmit events. * File: src/sja1000p.c */ -void sja1000p_irq_write_handler(struct chip_t *chip, struct msgobj_t *obj) +void sja1000p_irq_write_handler(struct canchip_t *chip, struct msgobj_t *obj) { int cmd; if(obj->tx_slot){ /* Do local transmitted message distribution if enabled */ if (processlocal){ + /* fill CAN message timestamp */ + can_filltimestamp(&obj->tx_slot->msg.timestamp); + obj->tx_slot->msg.flags |= MSG_LOCAL; canque_filter_msg2edges(obj->qends, &obj->tx_slot->msg); } @@ -595,7 +601,7 @@ void sja1000p_irq_write_handler(struct chip_t *chip, struct msgobj_t *obj) * @irq: interrupt vector number, this value is system specific * @dev_id: driver private pointer registered at time of request_irq() call. * The CAN driver uses this pointer to store relationship of interrupt - * to chip state structure - @struct chip_t + * to chip state structure - @struct canchip_t * @regs: system dependent value pointing to registers stored in exception frame * * Interrupt handler is activated when state of CAN controller chip changes, @@ -605,10 +611,9 @@ void sja1000p_irq_write_handler(struct chip_t *chip, struct msgobj_t *obj) * message queues. * File: src/sja1000p.c */ -can_irqreturn_t sja1000p_irq_handler(int irq, void *dev_id, struct pt_regs *regs) +int sja1000p_irq_handler(int irq, struct canchip_t *chip) { int irq_register, status, error_code; - struct chip_t *chip=(struct chip_t *)dev_id; struct msgobj_t *obj=chip->msgobj[0]; irq_register=can_read_reg(chip,SJAIR); @@ -617,11 +622,11 @@ can_irqreturn_t sja1000p_irq_handler(int irq, void *dev_id, struct pt_regs *regs // can_read_reg(chip,SJASR)); if ((irq_register & (sjaIR_BEI|sjaIR_EPI|sjaIR_DOI|sjaIR_EI|sjaIR_TI|sjaIR_RI)) == 0) - return CAN_IRQ_NONE; + return CANCHIP_IRQ_NONE; if(!(chip->flags&CHIP_CONFIGURED)) { CANMSG("sja1000p_irq_handler: called for non-configured device, irq_register 0x%02x\n", irq_register); - return CAN_IRQ_NONE; + return CANCHIP_IRQ_NONE; } if ((irq_register & sjaIR_RI) != 0) { @@ -677,7 +682,7 @@ can_irqreturn_t sja1000p_irq_handler(int irq, void *dev_id, struct pt_regs *regs obj->tx_retry_cnt=0; } - return CAN_IRQ_HANDLED; + return CANCHIP_IRQ_HANDLED; } /** @@ -691,7 +696,7 @@ can_irqreturn_t sja1000p_irq_handler(int irq, void *dev_id, struct pt_regs *regs * Return Value: negative value reports error. * File: src/sja1000p.c */ -int sja1000p_wakeup_tx(struct chip_t *chip, struct msgobj_t *obj) +int sja1000p_wakeup_tx(struct canchip_t *chip, struct msgobj_t *obj) { can_preempt_disable(); @@ -738,3 +743,19 @@ int sja1000p_register(struct chipspecops_t *chipspecops) chipspecops->irq_handler=sja1000p_irq_handler; return 0; } + +/** + * sja1000p_fill_chipspecops - fills chip specific operations + * @chip: pointer to chip representation structure + * + * The function fills chip specific operations for sja1000 (PeliCAN) chip. + * + * Return Value: returns negative number in the case of fail + */ +int sja1000p_fill_chipspecops(struct canchip_t *chip) +{ + chip->chip_type="sja1000p"; + chip->max_objects=1; + sja1000p_register(chip->chipspecops); + return 0; +}