summaryrefslogtreecommitdiff
path: root/drivers/dma/qcom/hidma.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/dma/qcom/hidma.h')
-rw-r--r--drivers/dma/qcom/hidma.h22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/dma/qcom/hidma.h b/drivers/dma/qcom/hidma.h
index 41e0aa283828..f212466744f3 100644
--- a/drivers/dma/qcom/hidma.h
+++ b/drivers/dma/qcom/hidma.h
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Qualcomm Technologies HIDMA data structures
*
* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#ifndef QCOM_HIDMA_H
@@ -28,6 +20,11 @@
#define HIDMA_TRE_DEST_LOW_IDX 4
#define HIDMA_TRE_DEST_HI_IDX 5
+enum tre_type {
+ HIDMA_TRE_MEMCPY = 3,
+ HIDMA_TRE_MEMSET = 4,
+};
+
struct hidma_tre {
atomic_t allocated; /* if this channel is allocated */
bool queued; /* flag whether this is pending */
@@ -96,8 +93,6 @@ struct hidma_chan {
* It is used by the DMA complete notification to
* locate the descriptor that initiated the transfer.
*/
- struct dentry *debugfs;
- struct dentry *stats;
struct hidma_dev *dmadev;
struct hidma_desc *running;
@@ -129,7 +124,6 @@ struct hidma_dev {
struct dma_device ddev;
struct dentry *debugfs;
- struct dentry *stats;
/* sysfs entry for the channel id */
struct device_attribute *chid_attrs;
@@ -150,7 +144,7 @@ void hidma_ll_start(struct hidma_lldev *llhndl);
int hidma_ll_disable(struct hidma_lldev *lldev);
int hidma_ll_enable(struct hidma_lldev *llhndl);
void hidma_ll_set_transfer_params(struct hidma_lldev *llhndl, u32 tre_ch,
- dma_addr_t src, dma_addr_t dest, u32 len, u32 flags);
+ dma_addr_t src, dma_addr_t dest, u32 len, u32 flags, u32 txntype);
void hidma_ll_setup_irq(struct hidma_lldev *lldev, bool msi);
int hidma_ll_setup(struct hidma_lldev *lldev);
struct hidma_lldev *hidma_ll_init(struct device *dev, u32 max_channels,
@@ -161,6 +155,6 @@ irqreturn_t hidma_ll_inthandler(int irq, void *arg);
irqreturn_t hidma_ll_inthandler_msi(int irq, void *arg, int cause);
void hidma_cleanup_pending_tre(struct hidma_lldev *llhndl, u8 err_info,
u8 err_code);
-int hidma_debug_init(struct hidma_dev *dmadev);
+void hidma_debug_init(struct hidma_dev *dmadev);
void hidma_debug_uninit(struct hidma_dev *dmadev);
#endif