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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2013 NVIDIA Corporation. */ /* * 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_HOST1X02_CHANNEL_H #define HOST1X_HW_HOST1X02_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 |