diff options
Diffstat (limited to 'drivers/gpu/host1x/hw/hw_host1x01_sync.h')
-rw-r--r-- | drivers/gpu/host1x/hw/hw_host1x01_sync.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/hw/hw_host1x01_sync.h b/drivers/gpu/host1x/hw/hw_host1x01_sync.h new file mode 100644 index 000000000000..3af258b46e62 --- /dev/null +++ b/drivers/gpu/host1x/hw/hw_host1x01_sync.h @@ -0,0 +1,74 @@ +/* + * Copyright (c) 2012-2013, NVIDIA Corporation. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + + /* + * Function naming determines intended use: + * + * <x>_r(void) : Returns the offset for register <x>. + * + * <x>_w(void) : Returns the word offset for word (4 byte) element <x>. + * + * <x>_<y>_s(void) : Returns size of field <y> of register <x> in bits. + * + * <x>_<y>_f(u32 v) : Returns a value based on 'v' which has been shifted + * and masked to place it at field <y> of register <x>. This value + * can be |'d with others to produce a full register value for + * register <x>. + * + * <x>_<y>_m(void) : Returns a mask for field <y> of register <x>. This + * value can be ~'d and then &'d to clear the value of field <y> for + * register <x>. + * + * <x>_<y>_<z>_f(void) : Returns the constant value <z> after being shifted + * to place it at field <y> of register <x>. This value can be |'d + * with others to produce a full register value for <x>. + * + * <x>_<y>_v(u32 r) : Returns the value of field <y> from a full register + * <x> value 'r' after being shifted to place its LSB at bit 0. + * This value is suitable for direct comparison with other unshifted + * values appropriate for use in field <y> of register <x>. + * + * <x>_<y>_<z>_v(void) : Returns the constant value for <z> defined for + * field <y> of register <x>. This value is suitable for direct + * comparison with unshifted values appropriate for use in field <y> + * of register <x>. + */ + +#ifndef __hw_host1x01_sync_h__ +#define __hw_host1x01_sync_h__ + +#define REGISTER_STRIDE 4 + +static inline u32 host1x_sync_syncpt_r(unsigned int id) +{ + return 0x400 + id * REGISTER_STRIDE; +} +#define HOST1X_SYNC_SYNCPT(id) \ + host1x_sync_syncpt_r(id) +static inline u32 host1x_sync_syncpt_base_r(unsigned int id) +{ + return 0x600 + id * REGISTER_STRIDE; +} +#define HOST1X_SYNC_SYNCPT_BASE(id) \ + host1x_sync_syncpt_base_r(id) +static inline u32 host1x_sync_syncpt_cpu_incr_r(unsigned int id) +{ + return 0x700 + id * REGISTER_STRIDE; +} +#define HOST1X_SYNC_SYNCPT_CPU_INCR(id) \ + host1x_sync_syncpt_cpu_incr_r(id) +#endif /* __hw_host1x01_sync_h__ */ |