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| author | Sang-Heon Jeon <ekffu200098@gmail.com> | 2026-08-24 01:18:14 +0900 |
|---|---|---|
| committer | Julia Lawall <Julia.Lawall@inria.fr> | 2026-08-23 22:12:11 +0200 |
| commit | 2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c (patch) | |
| tree | dcc4da1d99f17541c5590ac63c77da4bf372a4ab /drivers/video/fbdev/bt455.h | |
| download | linux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.tar.gz linux-stable-2bd30b8dc75b823dd7bbef9d7bc68e1fd7ecee5c.zip | |
coccinelle: alloc_cast: drop removed allocatorsgrafted
- pci_alloc_consistent() and pci_zalloc_consistent() were removed by
commit 7968778914e5
("PCI: Remove the deprecated "pci-dma-compat.h" API")
- kmem_alloc() was removed by commit f078d4ea8276
("xfs: convert kmem_alloc() to kmalloc()")
- kmem_zalloc() was removed by commit 10634530f7ba
("xfs: convert kmem_zalloc() to kzalloc()")
- kmem_zone_alloc() and kmem_zone_zalloc() were removed by commit
bae633a4a283 ("xfs: remove xfs_zone_{alloc,zalloc} helpers")
So drop them from the rules.
No functional change.
Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Diffstat (limited to 'drivers/video/fbdev/bt455.h')
| -rw-r--r-- | drivers/video/fbdev/bt455.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/video/fbdev/bt455.h b/drivers/video/fbdev/bt455.h new file mode 100644 index 000000000..dd1404b40 --- /dev/null +++ b/drivers/video/fbdev/bt455.h @@ -0,0 +1,90 @@ +/* + * linux/drivers/video/bt455.h + * + * Copyright 2003 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de> + * Copyright 2016 Maciej W. Rozycki <macro@linux-mips.org> + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file COPYING in the main directory of this + * archive for more details. + */ +#include <linux/types.h> + +/* + * Bt455 byte-wide registers, 32-bit aligned. + */ +struct bt455_regs { + volatile u8 addr_cmap; + u8 pad0[3]; + volatile u8 addr_cmap_data; + u8 pad1[3]; + volatile u8 addr_clr; + u8 pad2[3]; + volatile u8 addr_ovly; + u8 pad3[3]; +}; + +static inline void bt455_select_reg(struct bt455_regs *regs, int ir) +{ + mb(); + regs->addr_cmap = ir & 0x0f; +} + +static inline void bt455_reset_reg(struct bt455_regs *regs) +{ + mb(); + regs->addr_clr = 0; +} + +/* + * Read/write to a Bt455 color map register. + */ +static inline void bt455_read_cmap_next(struct bt455_regs *regs, u8 *grey) +{ + mb(); + regs->addr_cmap_data; + rmb(); + *grey = regs->addr_cmap_data & 0xf; + rmb(); + regs->addr_cmap_data; +} + +static inline void bt455_write_cmap_next(struct bt455_regs *regs, u8 grey) +{ + wmb(); + regs->addr_cmap_data = 0x0; + wmb(); + regs->addr_cmap_data = grey & 0xf; + wmb(); + regs->addr_cmap_data = 0x0; +} + +static inline void bt455_write_ovly_next(struct bt455_regs *regs, u8 grey) +{ + wmb(); + regs->addr_ovly = 0x0; + wmb(); + regs->addr_ovly = grey & 0xf; + wmb(); + regs->addr_ovly = 0x0; +} + +static inline void bt455_read_cmap_entry(struct bt455_regs *regs, + int cr, u8 *grey) +{ + bt455_select_reg(regs, cr); + bt455_read_cmap_next(regs, grey); +} + +static inline void bt455_write_cmap_entry(struct bt455_regs *regs, + int cr, u8 grey) +{ + bt455_select_reg(regs, cr); + bt455_write_cmap_next(regs, grey); +} + +static inline void bt455_write_ovly_entry(struct bt455_regs *regs, u8 grey) +{ + bt455_reset_reg(regs); + bt455_write_ovly_next(regs, grey); +} |