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path: root/drivers/staging/sm750fb/ddk750_power.c
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Diffstat (limited to 'drivers/staging/sm750fb/ddk750_power.c')
-rw-r--r--drivers/staging/sm750fb/ddk750_power.c261
1 files changed, 128 insertions, 133 deletions
diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c
index 1e5f398aed10..e580dab2b625 100644
--- a/drivers/staging/sm750fb/ddk750_power.c
+++ b/drivers/staging/sm750fb/ddk750_power.c
@@ -5,21 +5,23 @@
void ddk750_setDPMS(DPMS_t state)
{
unsigned int value;
- if(getChipType() == SM750LE){
+
+ if (getChipType() == SM750LE) {
value = PEEK32(CRT_DISPLAY_CTRL);
- POKE32(CRT_DISPLAY_CTRL, FIELD_VALUE(value, CRT_DISPLAY_CTRL, DPMS, state));
- }else{
+ 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);
+ value = FIELD_VALUE(value, SYSTEM_CTRL, DPMS, state);
POKE32(SYSTEM_CTRL, value);
}
}
unsigned int getPowerMode(void)
{
- if(getChipType() == SM750LE)
+ if (getChipType() == SM750LE)
return 0;
- return (FIELD_GET(PEEK32(POWER_MODE_CTRL), POWER_MODE_CTRL, MODE));
+ return FIELD_GET(PEEK32(POWER_MODE_CTRL), POWER_MODE_CTRL, MODE);
}
@@ -29,76 +31,74 @@ unsigned int getPowerMode(void)
*/
void setPowerMode(unsigned int powerMode)
{
- unsigned int control_value = 0;
+ unsigned int control_value = 0;
- control_value = PEEK32(POWER_MODE_CTRL);
+ control_value = PEEK32(POWER_MODE_CTRL);
- if(getChipType() == SM750LE)
+ if (getChipType() == SM750LE)
return;
- switch (powerMode)
- {
- case POWER_MODE_CTRL_MODE_MODE0:
- control_value = FIELD_SET(control_value, POWER_MODE_CTRL, MODE, MODE0);
- break;
+ 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_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;
+ case POWER_MODE_CTRL_MODE_SLEEP:
+ control_value = FIELD_SET(control_value, POWER_MODE_CTRL, MODE,
+ SLEEP);
+ break;
- default:
- break;
- }
+ default:
+ break;
+ }
- /* Set up other fields in Power Control Register */
- if (powerMode == POWER_MODE_CTRL_MODE_SLEEP)
- {
- control_value =
+ /* 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) |
+ FIELD_SET(control_value, POWER_MODE_CTRL, 336CLK, OFF) |
#endif
- FIELD_SET( control_value, POWER_MODE_CTRL, OSC_INPUT, OFF);
- }
- else
- {
- control_value =
+ 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) |
+ FIELD_SET(control_value, POWER_MODE_CTRL, 336CLK, ON) |
#endif
- FIELD_SET( control_value, POWER_MODE_CTRL, OSC_INPUT, ON);
- }
+ FIELD_SET(control_value, POWER_MODE_CTRL, OSC_INPUT, ON);
+ }
- /* Program new power mode. */
- POKE32(POWER_MODE_CTRL, control_value);
+ /* 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);
+ 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);
}
@@ -108,21 +108,18 @@ void setCurrentGate(unsigned int gate)
*/
void enable2DEngine(unsigned int enable)
{
- uint32_t 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);
+ uint32_t 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);
}
@@ -131,58 +128,56 @@ void enable2DEngine(unsigned int enable)
*/
void enableZVPort(unsigned int enable)
{
- uint32_t gate;
+ uint32_t gate;
- /* Enable ZV Port Gate */
- gate = PEEK32(CURRENT_GATE);
- if (enable)
- {
- gate = FIELD_SET(gate, CURRENT_GATE, ZVPORT, ON);
+ /* Enable ZV Port Gate */
+ gate = PEEK32(CURRENT_GATE);
+ if (enable) {
+ gate = FIELD_SET(gate, CURRENT_GATE, ZVPORT, ON);
#if 1
- /* Using Software I2C */
- gate = FIELD_SET(gate, CURRENT_GATE, GPIO, ON);
+ /* Using Software I2C */
+ gate = FIELD_SET(gate, CURRENT_GATE, GPIO, ON);
#else
- /* Using Hardware I2C */
- gate = FIELD_SET(gate, CURRENT_GATE, I2C, ON);
+ /* Using Hardware I2C */
+ gate = FIELD_SET(gate, CURRENT_GATE, I2C, ON);
#endif
- }
- else
- {
- /* Disable ZV Port Gate. There is no way to know whether the GPIO pins are being used
- or not. Therefore, do not disable the GPIO gate. */
- gate = FIELD_SET(gate, CURRENT_GATE, ZVPORT, OFF);
- }
-
- setCurrentGate(gate);
+ } else {
+ /* Disable ZV Port Gate. There is no way to know whether the
+ GPIO pins are being used or not. Therefore, do not disable the
+ GPIO gate. */
+ gate = FIELD_SET(gate, CURRENT_GATE, ZVPORT, OFF);
+ }
+
+ setCurrentGate(gate);
}
void enableSSP(unsigned int enable)
{
- uint32_t gate;
+ uint32_t gate;
- /* Enable SSP Gate */
- gate = PEEK32(CURRENT_GATE);
- if (enable)
- gate = FIELD_SET(gate, CURRENT_GATE, SSP, ON);
- else
- gate = FIELD_SET(gate, CURRENT_GATE, SSP, OFF);
+ /* Enable SSP Gate */
+ gate = PEEK32(CURRENT_GATE);
+ if (enable)
+ gate = FIELD_SET(gate, CURRENT_GATE, SSP, ON);
+ else
+ gate = FIELD_SET(gate, CURRENT_GATE, SSP, OFF);
- setCurrentGate(gate);
+ setCurrentGate(gate);
}
void enableDMA(unsigned int enable)
{
- uint32_t gate;
+ uint32_t 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);
+ /* 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);
+ setCurrentGate(gate);
}
/*
@@ -190,16 +185,16 @@ void enableDMA(unsigned int enable)
*/
void enableGPIO(unsigned int enable)
{
- uint32_t gate;
+ uint32_t 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);
+ /* 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);
+ setCurrentGate(gate);
}
/*
@@ -207,16 +202,16 @@ void enableGPIO(unsigned int enable)
*/
void enablePWM(unsigned int enable)
{
- uint32_t gate;
+ uint32_t gate;
- /* Enable PWM Gate */
- gate = PEEK32(CURRENT_GATE);
- if (enable)
- gate = FIELD_SET(gate, CURRENT_GATE, PWM, ON);
- else
- gate = FIELD_SET(gate, CURRENT_GATE, PWM, OFF);
+ /* Enable PWM Gate */
+ gate = PEEK32(CURRENT_GATE);
+ if (enable)
+ gate = FIELD_SET(gate, CURRENT_GATE, PWM, ON);
+ else
+ gate = FIELD_SET(gate, CURRENT_GATE, PWM, OFF);
- setCurrentGate(gate);
+ setCurrentGate(gate);
}
/*
@@ -224,16 +219,16 @@ void enablePWM(unsigned int enable)
*/
void enableI2C(unsigned int enable)
{
- uint32_t gate;
+ uint32_t 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);
+ /* 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);
+ setCurrentGate(gate);
}