X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/659b098309c2bca57ac60a35a1b9900d6f28e74d..7eca1ac39aa9f2a65ba0607d55f7155f5a56ad15:/lincan/src/ioctl.c

diff --git a/lincan/src/ioctl.c b/lincan/src/ioctl.c
index 08b3aa0..43535d0 100644
--- a/lincan/src/ioctl.c
+++ b/lincan/src/ioctl.c
@@ -4,19 +4,13 @@
  * 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 lincan-0.2  9 Jul 2003
+ * Version lincan-0.3  17 Jun 2004
  */
 
-#include <linux/autoconf.h>
-
-#include <linux/fs.h>
-#include <linux/version.h>
-#include <linux/string.h>
-#include <asm/uaccess.h>
-
+#include "../include/can.h"
+#include "../include/can_sysdep.h"
 #include "../include/main.h"
 #include "../include/ioctl.h"
-#include "../include/i82527.h"
 
 int can_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
 {
@@ -25,11 +19,11 @@ int can_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
 	unsigned btr0=0, btr1=0;
 	struct canuser_t *canuser = (struct canuser_t*)(file->private_data);
 	struct msgobj_t *obj;
-	struct chip_t *chip;
+	struct canchip_t *chip;
 	struct canque_ends_t *qends;
 	
 	if(!canuser || (canuser->magic != CAN_USER_MAGIC)){
-		CANMSG("can_close: bad canuser magic\n");
+		CANMSG("can_ioctl: bad canuser magic\n");
 		return -ENODEV;
 	}
 	
@@ -48,6 +42,9 @@ int can_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
 	}
 
 	switch (cmd) {
+		case CAN_DRV_QUERY: {
+			return can_ioctl_query(canuser, arg);
+		}
 		case STAT: {
 			for (i=0x0; i<0x100; i++)
 				CANMSG("0x%x is 0x%x\n",i,can_read_reg(chip,i));
@@ -68,21 +65,6 @@ int can_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
 			break;
 		}
 		case CONF_FILTER: {
-		    #if 0
-			if (!strcmp(chip->chip_type,"i82527")) {
-			
-				unsigned char id1, id0;
-				id1 = (unsigned char) (arg << 5);
-				id0 = (unsigned char) (arg >> 3);
-
-				DEBUGMSG("configuring ID=%lx in message object:"
-					" %02x, %02x\n", arg, id0, id1);
-				can_write_reg(chip,id1,MSG_OFFSET(obj->object) +
-								iMSGID1);
-				can_write_reg(chip,id0,MSG_OFFSET(obj->object) +
-								iMSGID0);
-			}
-		    #endif
 
 			/* In- and output buffer re-initialization */
 			
@@ -95,12 +77,27 @@ int can_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
 		
 		case CANQUE_FILTER: {
 			struct canfilt_t canfilt;
-			copy_from_user(&canfilt, (void*)arg, sizeof(struct canfilt_t));
+			int ret;
+			ret = copy_from_user(&canfilt, (void*)arg, sizeof(struct canfilt_t));
+			if(ret)	return -EFAULT;
 			if(canuser->rx_edge0){
 				canque_set_filt(canuser->rx_edge0, canfilt.id, canfilt.mask, canfilt.flags);
 			}
 			break;
 		}
+		
+		case CANRTR_READ: {
+			int ret;
+			struct canmsg_t rtr_msg;
+			
+			ret = copy_from_user(&rtr_msg, (void*)arg, sizeof(struct canmsg_t));
+			if(ret)	return -EFAULT;
+			ret = can_ioctl_remote_read(canuser, &rtr_msg, rtr_msg.id, 0);
+			if(ret<0) return ret;
+			ret = copy_to_user((void*)arg, &rtr_msg, sizeof(struct canmsg_t));
+			if(ret)	return -EFAULT;
+			break;
+		}
 
 		case CONF_BAUD: {
 			channel = arg & 0xff;
@@ -113,6 +110,29 @@ int can_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
 			}
 			break;
 		}
+		
+		case CONF_BAUDPARAMS: {
+			struct can_baudparams_t params;
+			int ret;
+			
+			ret = copy_from_user(&params, (void*)arg, sizeof(struct can_baudparams_t));
+			if(ret)	return -EFAULT;
+
+			if(params.flags == -1) params.flags = 0;
+			if(params.baudrate == -1) params.baudrate = chip->baudrate;
+			if(params.sjw == -1) params.sjw = 0;
+			if(params.sample_pt == -1) params.sample_pt = 75;
+			i=chip->chipspecops->baud_rate(chip, params.baudrate, chip->clock, params.sjw,
+                                                        params.sample_pt, params.flags);
+			if(i>=0) chip->baudrate = params.baudrate;
+			else {
+				CANMSG("Error setting baud parameters\n");
+				return -1;
+			}
+			break;
+		}
+
+
 		default: {
 			CANMSG("Not a valid ioctl command\n");
 			return -EINVAL;