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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | #include "ddk750_help.h" #include "ddk750_reg.h" #include "ddk750_power.h" void ddk750_setDPMS(DPMS_t state) { unsigned int value; if (getChipType() == SM750LE) { value = PEEK32(CRT_DISPLAY_CTRL); POKE32(CRT_DISPLAY_CTRL, FIELD_VALUE(value, CRT_DISPLAY_CTRL, DPMS, state)); } else { value = PEEK32(SYSTEM_CTRL); value = FIELD_VALUE(value, SYSTEM_CTRL, DPMS, state); POKE32(SYSTEM_CTRL, value); } } static unsigned int getPowerMode(void) { if (getChipType() == SM750LE) return 0; return FIELD_GET(PEEK32(POWER_MODE_CTRL), POWER_MODE_CTRL, MODE); } /* * SM50x can operate in one of three modes: 0, 1 or Sleep. * On hardware reset, power mode 0 is default. */ void setPowerMode(unsigned int powerMode) { unsigned int control_value = 0; control_value = PEEK32(POWER_MODE_CTRL); if (getChipType() == SM750LE) return; switch (powerMode) { case POWER_MODE_CTRL_MODE_MODE0: control_value = FIELD_SET(control_value, POWER_MODE_CTRL, MODE, MODE0); break; case POWER_MODE_CTRL_MODE_MODE1: control_value = FIELD_SET(control_value, POWER_MODE_CTRL, MODE, MODE1); break; case POWER_MODE_CTRL_MODE_SLEEP: control_value = FIELD_SET(control_value, POWER_MODE_CTRL, MODE, SLEEP); break; default: break; } /* Set up other fields in Power Control Register */ if (powerMode == POWER_MODE_CTRL_MODE_SLEEP) { control_value = #ifdef VALIDATION_CHIP FIELD_SET(control_value, POWER_MODE_CTRL, 336CLK, OFF) | #endif FIELD_SET(control_value, POWER_MODE_CTRL, OSC_INPUT, OFF); } else { control_value = #ifdef VALIDATION_CHIP FIELD_SET(control_value, POWER_MODE_CTRL, 336CLK, ON) | #endif FIELD_SET(control_value, POWER_MODE_CTRL, OSC_INPUT, ON); } /* Program new power mode. */ POKE32(POWER_MODE_CTRL, control_value); } void setCurrentGate(unsigned int gate) { unsigned int gate_reg; unsigned int mode; /* Get current power mode. */ mode = getPowerMode(); switch (mode) { case POWER_MODE_CTRL_MODE_MODE0: gate_reg = MODE0_GATE; break; case POWER_MODE_CTRL_MODE_MODE1: gate_reg = MODE1_GATE; break; default: gate_reg = MODE0_GATE; break; } POKE32(gate_reg, gate); } /* * This function enable/disable the 2D engine. */ void enable2DEngine(unsigned int enable) { u32 gate; gate = PEEK32(CURRENT_GATE); if (enable) { gate = FIELD_SET(gate, CURRENT_GATE, DE, ON); gate = FIELD_SET(gate, CURRENT_GATE, CSC, ON); } else { gate = FIELD_SET(gate, CURRENT_GATE, DE, OFF); gate = FIELD_SET(gate, CURRENT_GATE, CSC, OFF); } setCurrentGate(gate); } void enableDMA(unsigned int enable) { u32 gate; /* Enable DMA Gate */ gate = PEEK32(CURRENT_GATE); if (enable) gate = FIELD_SET(gate, CURRENT_GATE, DMA, ON); else gate = FIELD_SET(gate, CURRENT_GATE, DMA, OFF); setCurrentGate(gate); } /* * This function enable/disable the GPIO Engine */ void enableGPIO(unsigned int enable) { u32 gate; /* Enable GPIO Gate */ gate = PEEK32(CURRENT_GATE); if (enable) gate = FIELD_SET(gate, CURRENT_GATE, GPIO, ON); else gate = FIELD_SET(gate, CURRENT_GATE, GPIO, OFF); setCurrentGate(gate); } /* * This function enable/disable the I2C Engine */ void enableI2C(unsigned int enable) { u32 gate; /* Enable I2C Gate */ gate = PEEK32(CURRENT_GATE); if (enable) gate = FIELD_SET(gate, CURRENT_GATE, I2C, ON); else gate = FIELD_SET(gate, CURRENT_GATE, I2C, OFF); setCurrentGate(gate); } |