diff options
Diffstat (limited to 'drivers/misc/bcm-vk/bcm_vk.h')
| -rw-r--r-- | drivers/misc/bcm-vk/bcm_vk.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/misc/bcm-vk/bcm_vk.h b/drivers/misc/bcm-vk/bcm_vk.h index f428ad9a0c3d..5f0fcfdaf265 100644 --- a/drivers/misc/bcm-vk/bcm_vk.h +++ b/drivers/misc/bcm-vk/bcm_vk.h @@ -7,9 +7,14 @@ #define BCM_VK_H #include <linux/firmware.h> +#include <linux/kref.h> #include <linux/miscdevice.h> +#include <linux/mutex.h> #include <linux/pci.h> #include <linux/sched/signal.h> +#include <uapi/linux/misc/bcm_vk.h> + +#include "bcm_vk_msg.h" #define DRV_MODULE_NAME "bcm-vk" @@ -218,6 +223,13 @@ struct bcm_vk { struct miscdevice miscdev; int devid; /* dev id allocated */ + /* Reference-counting to handle file operations */ + struct kref kref; + + spinlock_t ctx_lock; /* Spinlock for component context */ + struct bcm_vk_ctx ctx[VK_CMPT_CTX_MAX]; + struct bcm_vk_ht_entry pid_ht[VK_PID_HT_SZ]; + struct workqueue_struct *wq_thread; struct work_struct wq_work; /* work queue for deferred job */ unsigned long wq_offload[1]; /* various flags on wq requested */ @@ -278,6 +290,9 @@ static inline bool bcm_vk_msgq_marker_valid(struct bcm_vk *vk) return (rdy_marker == VK_BAR1_MSGQ_RDY_MARKER); } +int bcm_vk_open(struct inode *inode, struct file *p_file); +int bcm_vk_release(struct inode *inode, struct file *p_file); +void bcm_vk_release_data(struct kref *kref); int bcm_vk_auto_load_all_images(struct bcm_vk *vk); #endif |