diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/shrm_char.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/char/shrm_char.c b/drivers/char/shrm_char.c index 31f1fedd704..fa44b469b98 100644 --- a/drivers/char/shrm_char.c +++ b/drivers/char/shrm_char.c @@ -25,8 +25,8 @@ #define NAME "IPC_ISA" -/* L2 header for common loopback device is 0xc0 and hence 0xc0+1 = 193*/ -#define MAX_L2_HEADERS 193 +/* L2 header for ciq device is 0xc3 and hence 0xc3+1 = 196*/ +#define MAX_L2_HEADERS 196 #define SIZE_OF_FIFO (512*1024) @@ -49,6 +49,7 @@ static struct map_device map_dev[] = { {SECURITY_MESSAGING, 3, "sec"}, {COMMON_LOOPBACK_MESSAGING, 4, "common_loopback"}, {AUDIO_LOOPBACK_MESSAGING, 5, "audio_loopback"}, + {CIQ_MESSAGING, 6, "ciq"}, }; /* @@ -483,6 +484,10 @@ ssize_t isa_write(struct file *filp, const char __user *buf, dev_dbg(shrm->dev, "Audio loopback\n"); addr = isadev->addr; break; + case CIQ_MESSAGING: + dev_dbg(shrm->dev, "CIQ\n"); + addr = isadev->addr; + break; default: dev_dbg(shrm->dev, "Wrong device\n"); return -EFAULT; @@ -637,6 +642,10 @@ static int isa_close(struct inode *inode, struct file *filp) kfree(isadev->addr); dev_info(shrm->dev, "Close AUDIO_LOOPBACK_MESSAGING Device\n"); break; + case CIQ_MESSAGING: + kfree(isadev->addr); + dev_info(shrm->dev, "Close CIQ_MESSAGING Device\n"); + break; default: dev_info(shrm->dev, "No such device present\n"); mutex_unlock(&isa_lock); @@ -683,7 +692,8 @@ static int isa_open(struct inode *inode, struct file *filp) (m != AUDIO_LOOPBACK_MESSAGING) && (m != COMMON_LOOPBACK_MESSAGING) && (m != AUDIO_MESSAGING) && - (m != SECURITY_MESSAGING)) { + (m != SECURITY_MESSAGING) && + (m != CIQ_MESSAGING)) { dev_err(shrm->dev, "No such device present\n"); mutex_unlock(&isa_lock); return -ENODEV; @@ -729,6 +739,14 @@ static int isa_open(struct inode *inode, struct file *filp) } dev_info(shrm->dev, "Open AUDIO_LOOPBACK_MESSAGING Device\n"); break; + case CIQ_MESSAGING: + isadev->addr = kzalloc(10 * 1024, GFP_KERNEL); + if (!isadev->addr) { + mutex_unlock(&isa_lock); + return -ENOMEM; + } + dev_info(shrm->dev, "Open CIQ_MESSAGING Device\n"); + break; }; mutex_unlock(&isa_lock); |