diff options
Diffstat (limited to 'include/soc/tegra/ivc.h')
| -rw-r--r-- | include/soc/tegra/ivc.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/soc/tegra/ivc.h b/include/soc/tegra/ivc.h index 4aeb77cc22c5..be45d5f5adea 100644 --- a/include/soc/tegra/ivc.h +++ b/include/soc/tegra/ivc.h @@ -4,9 +4,11 @@ */ #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; @@ -15,7 +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; @@ -36,7 +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 @@ -56,7 +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 @@ -91,8 +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); |