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#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);
}
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