diff options
author | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2019-02-20 11:04:08 +0200 |
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committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2019-02-20 11:04:08 +0200 |
commit | d0781a89c06f46d0f75e4e142061b8accb67cbe5 (patch) | |
tree | 6a1731bfc76fd92aac1880c23f75377462e07b35 /drivers/gpu/drm/arm/display/include/malidp_io.h | |
parent | 7f4127c4839b1801087e08b1797e830a766391c1 (diff) | |
parent | a5f2fafece141ef3509e686cea576366d55cabb6 (diff) |
Merge drm/drm-next into drm-intel-next-queued
Doing a backmerge to be able to merge topic/mei-hdcp-2019-02-19 PR.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/arm/display/include/malidp_io.h')
-rw-r--r-- | drivers/gpu/drm/arm/display/include/malidp_io.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/display/include/malidp_io.h b/drivers/gpu/drm/arm/display/include/malidp_io.h new file mode 100644 index 000000000000..4fb3caf864ce --- /dev/null +++ b/drivers/gpu/drm/arm/display/include/malidp_io.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * (C) COPYRIGHT 2018 ARM Limited. All rights reserved. + * Author: James.Qian.Wang <james.qian.wang@arm.com> + * + */ +#ifndef _MALIDP_IO_H_ +#define _MALIDP_IO_H_ + +#include <linux/io.h> + +static inline u32 +malidp_read32(u32 __iomem *base, u32 offset) +{ + return readl((base + (offset >> 2))); +} + +static inline void +malidp_write32(u32 __iomem *base, u32 offset, u32 v) +{ + writel(v, (base + (offset >> 2))); +} + +static inline void +malidp_write32_mask(u32 __iomem *base, u32 offset, u32 m, u32 v) +{ + u32 tmp = malidp_read32(base, offset); + + tmp &= (~m); + malidp_write32(base, offset, v | tmp); +} + +static inline void +malidp_write_group(u32 __iomem *base, u32 offset, int num, const u32 *values) +{ + int i; + + for (i = 0; i < num; i++) + malidp_write32(base, offset + i * 4, values[i]); +} + +#endif /*_MALIDP_IO_H_*/ |