diff options
Diffstat (limited to 'include/soc/tegra/ivc.h')
| -rw-r--r-- | include/soc/tegra/ivc.h | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/include/soc/tegra/ivc.h b/include/soc/tegra/ivc.h index b13cc43ad9d8..be45d5f5adea 100644 --- a/include/soc/tegra/ivc.h +++ b/include/soc/tegra/ivc.h @@ -1,20 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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 __TEGRA_IVC_H +#define __TEGRA_IVC_H #include <linux/device.h> #include <linux/dma-mapping.h> +#include <linux/iosys-map.h> #include <linux/types.h> struct tegra_ivc_header; @@ -23,7 +17,7 @@ struct tegra_ivc { struct device *peer; struct { - struct tegra_ivc_header *channel; + struct iosys_map map; unsigned int position; dma_addr_t phys; } rx, tx; @@ -44,7 +38,7 @@ struct tegra_ivc { * * Returns a pointer to the frame, or an error encoded pointer. */ -void *tegra_ivc_read_get_next_frame(struct tegra_ivc *ivc); +int tegra_ivc_read_get_next_frame(struct tegra_ivc *ivc, struct iosys_map *map); /** * tegra_ivc_read_advance - Advance the read queue @@ -64,7 +58,7 @@ int tegra_ivc_read_advance(struct tegra_ivc *ivc); * * Returns a pointer to the frame, or an error encoded pointer. */ -void *tegra_ivc_write_get_next_frame(struct tegra_ivc *ivc); +int tegra_ivc_write_get_next_frame(struct tegra_ivc *ivc, struct iosys_map *map); /** * tegra_ivc_write_advance - Advance the write queue @@ -99,8 +93,8 @@ void tegra_ivc_reset(struct tegra_ivc *ivc); size_t tegra_ivc_align(size_t size); unsigned tegra_ivc_total_queue_size(unsigned queue_size); -int tegra_ivc_init(struct tegra_ivc *ivc, struct device *peer, void *rx, - dma_addr_t rx_phys, void *tx, dma_addr_t tx_phys, +int tegra_ivc_init(struct tegra_ivc *ivc, struct device *peer, const struct iosys_map *rx, + dma_addr_t rx_phys, const struct iosys_map *tx, dma_addr_t tx_phys, unsigned int num_frames, size_t frame_size, void (*notify)(struct tegra_ivc *ivc, void *data), void *data); |