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kernel add
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/*
* Copyright (c) 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 HOST1X_HW_HOST1X04_CHANNEL_H
#define HOST1X_HW_HOST1X04_CHANNEL_H
static inline u32 host1x_channel_fifostat_r(void)
{
return 0x0;
}
#define HOST1X_CHANNEL_FIFOSTAT \
host1x_channel_fifostat_r()
static inline u32 host1x_channel_fifostat_cfempty_v(u32 r)
{
return (r >> 11) & 0x1;
}
#define HOST1X_CHANNEL_FIFOSTAT_CFEMPTY_V(r) \
host1x_channel_fifostat_cfempty_v(r)
static inline u32 host1x_channel_dmastart_r(void)
{
return 0x14;
}
#define HOST1X_CHANNEL_DMASTART \
host1x_channel_dmastart_r()
static inline u32 host1x_channel_dmaput_r(void)
{
return 0x18;
}
#define HOST1X_CHANNEL_DMAPUT \
host1x_channel_dmaput_r()
static inline u32 host1x_channel_dmaget_r(void)
{
return 0x1c;
}
#define HOST1X_CHANNEL_DMAGET \
host1x_channel_dmaget_r()
static inline u32 host1x_channel_dmaend_r(void)
{
return 0x20;
}
#define HOST1X_CHANNEL_DMAEND \
host1x_channel_dmaend_r()
static inline u32 host1x_channel_dmactrl_r(void)
{
return 0x24;
}
#define HOST1X_CHANNEL_DMACTRL \
host1x_channel_dmactrl_r()
static inline u32 host1x_channel_dmactrl_dmastop(void)
{
return 1 << 0;
}
#define HOST1X_CHANNEL_DMACTRL_DMASTOP \
host1x_channel_dmactrl_dmastop()
static inline u32 host1x_channel_dmactrl_dmastop_v(u32 r)
{
return (r >> 0) & 0x1;
}
#define HOST1X_CHANNEL_DMACTRL_DMASTOP_V(r) \
host1x_channel_dmactrl_dmastop_v(r)
static inline u32 host1x_channel_dmactrl_dmagetrst(void)
{
return 1 << 1;
}
#define HOST1X_CHANNEL_DMACTRL_DMAGETRST \
host1x_channel_dmactrl_dmagetrst()
static inline u32 host1x_channel_dmactrl_dmainitget(void)
{
return 1 << 2;
}
#define HOST1X_CHANNEL_DMACTRL_DMAINITGET \
host1x_channel_dmactrl_dmainitget()
#endif
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