hw_host1x04_channel.h (3626B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (c) 2013 NVIDIA Corporation. 4 */ 5 6 /* 7 * Function naming determines intended use: 8 * 9 * <x>_r(void) : Returns the offset for register <x>. 10 * 11 * <x>_w(void) : Returns the word offset for word (4 byte) element <x>. 12 * 13 * <x>_<y>_s(void) : Returns size of field <y> of register <x> in bits. 14 * 15 * <x>_<y>_f(u32 v) : Returns a value based on 'v' which has been shifted 16 * and masked to place it at field <y> of register <x>. This value 17 * can be |'d with others to produce a full register value for 18 * register <x>. 19 * 20 * <x>_<y>_m(void) : Returns a mask for field <y> of register <x>. This 21 * value can be ~'d and then &'d to clear the value of field <y> for 22 * register <x>. 23 * 24 * <x>_<y>_<z>_f(void) : Returns the constant value <z> after being shifted 25 * to place it at field <y> of register <x>. This value can be |'d 26 * with others to produce a full register value for <x>. 27 * 28 * <x>_<y>_v(u32 r) : Returns the value of field <y> from a full register 29 * <x> value 'r' after being shifted to place its LSB at bit 0. 30 * This value is suitable for direct comparison with other unshifted 31 * values appropriate for use in field <y> of register <x>. 32 * 33 * <x>_<y>_<z>_v(void) : Returns the constant value for <z> defined for 34 * field <y> of register <x>. This value is suitable for direct 35 * comparison with unshifted values appropriate for use in field <y> 36 * of register <x>. 37 */ 38 39#ifndef HOST1X_HW_HOST1X04_CHANNEL_H 40#define HOST1X_HW_HOST1X04_CHANNEL_H 41 42static inline u32 host1x_channel_fifostat_r(void) 43{ 44 return 0x0; 45} 46#define HOST1X_CHANNEL_FIFOSTAT \ 47 host1x_channel_fifostat_r() 48static inline u32 host1x_channel_fifostat_cfempty_v(u32 r) 49{ 50 return (r >> 11) & 0x1; 51} 52#define HOST1X_CHANNEL_FIFOSTAT_CFEMPTY_V(r) \ 53 host1x_channel_fifostat_cfempty_v(r) 54static inline u32 host1x_channel_dmastart_r(void) 55{ 56 return 0x14; 57} 58#define HOST1X_CHANNEL_DMASTART \ 59 host1x_channel_dmastart_r() 60static inline u32 host1x_channel_dmaput_r(void) 61{ 62 return 0x18; 63} 64#define HOST1X_CHANNEL_DMAPUT \ 65 host1x_channel_dmaput_r() 66static inline u32 host1x_channel_dmaget_r(void) 67{ 68 return 0x1c; 69} 70#define HOST1X_CHANNEL_DMAGET \ 71 host1x_channel_dmaget_r() 72static inline u32 host1x_channel_dmaend_r(void) 73{ 74 return 0x20; 75} 76#define HOST1X_CHANNEL_DMAEND \ 77 host1x_channel_dmaend_r() 78static inline u32 host1x_channel_dmactrl_r(void) 79{ 80 return 0x24; 81} 82#define HOST1X_CHANNEL_DMACTRL \ 83 host1x_channel_dmactrl_r() 84static inline u32 host1x_channel_dmactrl_dmastop(void) 85{ 86 return 1 << 0; 87} 88#define HOST1X_CHANNEL_DMACTRL_DMASTOP \ 89 host1x_channel_dmactrl_dmastop() 90static inline u32 host1x_channel_dmactrl_dmastop_v(u32 r) 91{ 92 return (r >> 0) & 0x1; 93} 94#define HOST1X_CHANNEL_DMACTRL_DMASTOP_V(r) \ 95 host1x_channel_dmactrl_dmastop_v(r) 96static inline u32 host1x_channel_dmactrl_dmagetrst(void) 97{ 98 return 1 << 1; 99} 100#define HOST1X_CHANNEL_DMACTRL_DMAGETRST \ 101 host1x_channel_dmactrl_dmagetrst() 102static inline u32 host1x_channel_dmactrl_dmainitget(void) 103{ 104 return 1 << 2; 105} 106#define HOST1X_CHANNEL_DMACTRL_DMAINITGET \ 107 host1x_channel_dmactrl_dmainitget() 108static inline u32 host1x_channel_channelctrl_r(void) 109{ 110 return 0x98; 111} 112#define HOST1X_CHANNEL_CHANNELCTRL \ 113 host1x_channel_channelctrl_r() 114static inline u32 host1x_channel_channelctrl_kernel_filter_gbuffer_f(u32 v) 115{ 116 return (v & 0x1) << 2; 117} 118#define HOST1X_CHANNEL_CHANNELCTRL_KERNEL_FILTER_GBUFFER(v) \ 119 host1x_channel_channelctrl_kernel_filter_gbuffer_f(v) 120 121#endif