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Diffstat (limited to 'include/linux/nvhost.h')
-rw-r--r--include/linux/nvhost.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/nvhost.h b/include/linux/nvhost.h
index 9002620a834a..55b75d048791 100644
--- a/include/linux/nvhost.h
+++ b/include/linux/nvhost.h
@@ -38,6 +38,13 @@ struct nvhost_clock {
long default_rate;
};
+enum nvhost_device_powerstate_t {
+ NVHOST_POWER_STATE_DEINIT,
+ NVHOST_POWER_STATE_RUNNING,
+ NVHOST_POWER_STATE_CLOCKGATED,
+ NVHOST_POWER_STATE_POWERGATED
+};
+
struct nvhost_device {
const char *name; /* Device name */
struct device dev; /* Linux device struct */
@@ -67,7 +74,8 @@ struct nvhost_device {
int num_clks; /* Number of clocks opened for dev */
struct clk *clk[NVHOST_MODULE_MAX_CLOCKS];
struct mutex lock; /* Power management lock */
- bool powered; /* Current power state */
+ int powerstate; /* Current power state */
+ int refcount; /* Number of tasks active */
wait_queue_head_t idle_wq; /* Work queue for idle */
struct list_head client_list; /* List of clients and rate requests */