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path: root/drivers/accel/qaic/qaic.h
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Diffstat (limited to 'drivers/accel/qaic/qaic.h')
-rw-r--r--drivers/accel/qaic/qaic.h21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/accel/qaic/qaic.h b/drivers/accel/qaic/qaic.h
index e3f4c30f3ffd..582836f9538f 100644
--- a/drivers/accel/qaic/qaic.h
+++ b/drivers/accel/qaic/qaic.h
@@ -31,6 +31,15 @@
#define to_drm(qddev) (&(qddev)->drm)
#define to_accel_kdev(qddev) (to_drm(qddev)->accel->kdev) /* Return Linux device of accel node */
+enum __packed dev_states {
+ /* Device is offline or will be very soon */
+ QAIC_OFFLINE,
+ /* Device is booting, not clear if it's in a usable state */
+ QAIC_BOOT,
+ /* Device is fully operational */
+ QAIC_ONLINE,
+};
+
extern bool datapath_polling;
struct qaic_user {
@@ -121,8 +130,10 @@ struct qaic_device {
struct workqueue_struct *cntl_wq;
/* Synchronizes all the users of device during cleanup */
struct srcu_struct dev_lock;
- /* true: Device under reset; false: Device not under reset */
- bool in_reset;
+ /* Track the state of the device during resets */
+ enum dev_states dev_state;
+ /* true: single MSI is used to operate device */
+ bool single_msi;
/*
* true: A tx MHI transaction has failed and a rx buffer is still queued
* in control device. Such a buffer is considered lost rx buffer
@@ -137,6 +148,10 @@ struct qaic_device {
u32 (*gen_crc)(void *msg);
/* Validate the CRC of a control message */
bool (*valid_crc)(void *msg);
+ /* MHI "QAIC_TIMESYNC" channel device */
+ struct mhi_device *qts_ch;
+ /* Work queue for tasks related to MHI "QAIC_TIMESYNC" channel */
+ struct workqueue_struct *qts_wq;
};
struct qaic_drm_device {
@@ -268,7 +283,7 @@ void wakeup_dbc(struct qaic_device *qdev, u32 dbc_id);
void release_dbc(struct qaic_device *qdev, u32 dbc_id);
void wake_all_cntl(struct qaic_device *qdev);
-void qaic_dev_reset_clean_local_state(struct qaic_device *qdev, bool exit_reset);
+void qaic_dev_reset_clean_local_state(struct qaic_device *qdev);
struct drm_gem_object *qaic_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf);