diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2017-03-08 12:13:14 +0100 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2017-03-15 15:42:35 +0100 |
| commit | d2a34232580a5d2c9f58baa5270836c5c9ab83ba (patch) | |
| tree | 2e1bc95a51a9dd1e4332070390a207dffdf6ba8b /drivers/gpu/ipu-v3/ipu-prv.h | |
| parent | dcddda561b91fe82a8201ba7f5b4237be4c79219 (diff) | |
gpu: ipu-v3: add driver for Prefetch Resolve Engine
This adds support for the i.MX6 QuadPlus PRE units. Currently only
linear prefetch into SRAM is supported, other modes of operation
like the tiled-to-linear conversion will be added later.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/ipu-v3/ipu-prv.h')
| -rw-r--r-- | drivers/gpu/ipu-v3/ipu-prv.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h index 285595702ee0..262efdff1dba 100644 --- a/drivers/gpu/ipu-v3/ipu-prv.h +++ b/drivers/gpu/ipu-v3/ipu-prv.h @@ -173,6 +173,7 @@ struct ipu_ic_priv; struct ipu_vdi; struct ipu_image_convert_priv; struct ipu_smfc_priv; +struct ipu_pre; struct ipu_devtype; @@ -264,4 +265,17 @@ void ipu_cpmem_exit(struct ipu_soc *ipu); int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base); void ipu_smfc_exit(struct ipu_soc *ipu); +struct ipu_pre *ipu_pre_lookup_by_phandle(struct device *dev, const char *name, + int index); +int ipu_pre_get_available_count(void); +int ipu_pre_get(struct ipu_pre *pre); +void ipu_pre_put(struct ipu_pre *pre); +u32 ipu_pre_get_baddr(struct ipu_pre *pre); +void ipu_pre_configure(struct ipu_pre *pre, unsigned int width, + unsigned int height, + unsigned int stride, u32 format, unsigned int bufaddr); +void ipu_pre_update(struct ipu_pre *pre, unsigned int bufaddr); + +extern struct platform_driver ipu_pre_drv; + #endif /* __IPU_PRV_H__ */ |