#define USE_HW_I2C
#ifdef USE_HW_I2C
- #define i2cWriteReg hwI2CWriteReg
- #define i2cReadReg hwI2CReadReg
+ #define i2cWriteReg sm750_hw_i2c_write_reg
+ #define i2cReadReg sm750_hw_i2c_read_reg
#else
#define i2cWriteReg swI2CWriteReg
#define i2cReadReg swI2CReadReg
*/
unsigned short sii164GetVendorID(void)
{
- unsigned short vendorID;
+ unsigned short vendorID;
- vendorID = ((unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_VENDOR_ID_HIGH) << 8) |
- (unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_VENDOR_ID_LOW);
+ vendorID = ((unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_VENDOR_ID_HIGH) << 8) |
+ (unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_VENDOR_ID_LOW);
- return vendorID;
+ return vendorID;
}
/*
*/
unsigned short sii164GetDeviceID(void)
{
- unsigned short deviceID;
+ unsigned short deviceID;
- deviceID = ((unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_DEVICE_ID_HIGH) << 8) |
- (unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_DEVICE_ID_LOW);
+ deviceID = ((unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_DEVICE_ID_HIGH) << 8) |
+ (unsigned short) i2cReadReg(SII164_I2C_ADDRESS, SII164_DEVICE_ID_LOW);
- return deviceID;
+ return deviceID;
}
* -1 - Fail.
*/
long sii164InitChip(
- unsigned char edgeSelect,
- unsigned char busSelect,
- unsigned char dualEdgeClkSelect,
- unsigned char hsyncEnable,
- unsigned char vsyncEnable,
- unsigned char deskewEnable,
- unsigned char deskewSetting,
- unsigned char continuousSyncEnable,
- unsigned char pllFilterEnable,
- unsigned char pllFilterValue
+ unsigned char edgeSelect,
+ unsigned char busSelect,
+ unsigned char dualEdgeClkSelect,
+ unsigned char hsyncEnable,
+ unsigned char vsyncEnable,
+ unsigned char deskewEnable,
+ unsigned char deskewSetting,
+ unsigned char continuousSyncEnable,
+ unsigned char pllFilterEnable,
+ unsigned char pllFilterValue
)
{
- //unsigned char ucRegIndex, ucRegValue;
- //unsigned char ucDeviceAddress,
unsigned char config;
- //unsigned long delayCount;
- /* Initialize the i2c bus */
+ /* Initialize the i2c bus */
#ifdef USE_HW_I2C
- /* Use fast mode. */
- hwI2CInit(1);
+ /* Use fast mode. */
+ sm750_hw_i2c_init(1);
#else
- swI2CInit(DEFAULT_I2C_SCL, DEFAULT_I2C_SDA);
+ sm750_sw_i2c_init(DEFAULT_I2C_SCL, DEFAULT_I2C_SDA);
#endif
- /* Check if SII164 Chip exists */
- if ((sii164GetVendorID() == SII164_VENDOR_ID) && (sii164GetDeviceID() == SII164_DEVICE_ID))
- {
-
-#ifdef DDKDEBUG
- //sii164PrintRegisterValues();
-#endif
- /*
- * Initialize SII164 controller chip.
- */
-
- /* Select the edge */
- if (edgeSelect == 0)
- config = SII164_CONFIGURATION_LATCH_FALLING;
- else
- config = SII164_CONFIGURATION_LATCH_RISING;
-
- /* Select bus wide */
- if (busSelect == 0)
- config |= SII164_CONFIGURATION_BUS_12BITS;
- else
- config |= SII164_CONFIGURATION_BUS_24BITS;
-
- /* Select Dual/Single Edge Clock */
- if (dualEdgeClkSelect == 0)
- config |= SII164_CONFIGURATION_CLOCK_SINGLE;
- else
- config |= SII164_CONFIGURATION_CLOCK_DUAL;
-
- /* Select HSync Enable */
- if (hsyncEnable == 0)
- config |= SII164_CONFIGURATION_HSYNC_FORCE_LOW;
- else
- config |= SII164_CONFIGURATION_HSYNC_AS_IS;
-
- /* Select VSync Enable */
- if (vsyncEnable == 0)
- config |= SII164_CONFIGURATION_VSYNC_FORCE_LOW;
- else
- config |= SII164_CONFIGURATION_VSYNC_AS_IS;
-
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
-
- /* De-skew enabled with default 111b value.
- This will fix some artifacts problem in some mode on board 2.2.
- Somehow this fix does not affect board 2.1.
- */
- if (deskewEnable == 0)
- config = SII164_DESKEW_DISABLE;
- else
- config = SII164_DESKEW_ENABLE;
-
- switch (deskewSetting)
- {
- case 0:
- config |= SII164_DESKEW_1_STEP;
- break;
- case 1:
- config |= SII164_DESKEW_2_STEP;
- break;
- case 2:
- config |= SII164_DESKEW_3_STEP;
- break;
- case 3:
- config |= SII164_DESKEW_4_STEP;
- break;
- case 4:
- config |= SII164_DESKEW_5_STEP;
- break;
- case 5:
- config |= SII164_DESKEW_6_STEP;
- break;
- case 6:
- config |= SII164_DESKEW_7_STEP;
- break;
- case 7:
- config |= SII164_DESKEW_8_STEP;
- break;
- }
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_DESKEW, config);
-
- /* Enable/Disable Continuous Sync. */
- if (continuousSyncEnable == 0)
- config = SII164_PLL_FILTER_SYNC_CONTINUOUS_DISABLE;
- else
- config = SII164_PLL_FILTER_SYNC_CONTINUOUS_ENABLE;
-
- /* Enable/Disable PLL Filter */
- if (pllFilterEnable == 0)
- config |= SII164_PLL_FILTER_DISABLE;
- else
- config |= SII164_PLL_FILTER_ENABLE;
-
- /* Set the PLL Filter value */
- config |= ((pllFilterValue & 0x07) << 1);
-
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_PLL, config);
-
- /* Recover from Power Down and enable output. */
- config = i2cReadReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION);
- config |= SII164_CONFIGURATION_POWER_NORMAL;
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
-
-#ifdef DDKDEBUG
- //sii164PrintRegisterValues();
-#endif
-
- return 0;
- }
-
- /* Return -1 if initialization fails. */
- return (-1);
+ /* Check if SII164 Chip exists */
+ if ((sii164GetVendorID() == SII164_VENDOR_ID) && (sii164GetDeviceID() == SII164_DEVICE_ID)) {
+ /*
+ * Initialize SII164 controller chip.
+ */
+
+ /* Select the edge */
+ if (edgeSelect == 0)
+ config = SII164_CONFIGURATION_LATCH_FALLING;
+ else
+ config = SII164_CONFIGURATION_LATCH_RISING;
+
+ /* Select bus wide */
+ if (busSelect == 0)
+ config |= SII164_CONFIGURATION_BUS_12BITS;
+ else
+ config |= SII164_CONFIGURATION_BUS_24BITS;
+
+ /* Select Dual/Single Edge Clock */
+ if (dualEdgeClkSelect == 0)
+ config |= SII164_CONFIGURATION_CLOCK_SINGLE;
+ else
+ config |= SII164_CONFIGURATION_CLOCK_DUAL;
+
+ /* Select HSync Enable */
+ if (hsyncEnable == 0)
+ config |= SII164_CONFIGURATION_HSYNC_FORCE_LOW;
+ else
+ config |= SII164_CONFIGURATION_HSYNC_AS_IS;
+
+ /* Select VSync Enable */
+ if (vsyncEnable == 0)
+ config |= SII164_CONFIGURATION_VSYNC_FORCE_LOW;
+ else
+ config |= SII164_CONFIGURATION_VSYNC_AS_IS;
+
+ i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
+
+ /* De-skew enabled with default 111b value.
+ This will fix some artifacts problem in some mode on board 2.2.
+ Somehow this fix does not affect board 2.1.
+ */
+ if (deskewEnable == 0)
+ config = SII164_DESKEW_DISABLE;
+ else
+ config = SII164_DESKEW_ENABLE;
+
+ switch (deskewSetting) {
+ case 0:
+ config |= SII164_DESKEW_1_STEP;
+ break;
+ case 1:
+ config |= SII164_DESKEW_2_STEP;
+ break;
+ case 2:
+ config |= SII164_DESKEW_3_STEP;
+ break;
+ case 3:
+ config |= SII164_DESKEW_4_STEP;
+ break;
+ case 4:
+ config |= SII164_DESKEW_5_STEP;
+ break;
+ case 5:
+ config |= SII164_DESKEW_6_STEP;
+ break;
+ case 6:
+ config |= SII164_DESKEW_7_STEP;
+ break;
+ case 7:
+ config |= SII164_DESKEW_8_STEP;
+ break;
+ }
+ i2cWriteReg(SII164_I2C_ADDRESS, SII164_DESKEW, config);
+
+ /* Enable/Disable Continuous Sync. */
+ if (continuousSyncEnable == 0)
+ config = SII164_PLL_FILTER_SYNC_CONTINUOUS_DISABLE;
+ else
+ config = SII164_PLL_FILTER_SYNC_CONTINUOUS_ENABLE;
+
+ /* Enable/Disable PLL Filter */
+ if (pllFilterEnable == 0)
+ config |= SII164_PLL_FILTER_DISABLE;
+ else
+ config |= SII164_PLL_FILTER_ENABLE;
+
+ /* Set the PLL Filter value */
+ config |= ((pllFilterValue & 0x07) << 1);
+
+ i2cWriteReg(SII164_I2C_ADDRESS, SII164_PLL, config);
+
+ /* Recover from Power Down and enable output. */
+ config = i2cReadReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION);
+ config |= SII164_CONFIGURATION_POWER_NORMAL;
+ i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
+
+ return 0;
+ }
+
+ /* Return -1 if initialization fails. */
+ return (-1);
}
-/* below sii164 function is not neccessary */
+/* below sii164 function is not necessary */
#ifdef SII164_FULL_FUNCTIONS
*/
void sii164ResetChip(void)
{
- /* Power down */
- sii164SetPower(0);
- sii164SetPower(1);
+ /* Power down */
+ sii164SetPower(0);
+ sii164SetPower(1);
}
*/
char *sii164GetChipString(void)
{
- return gDviCtrlChipName;
+ return gDviCtrlChipName;
}
* powerUp - Flag to set the power down or up
*/
void sii164SetPower(
- unsigned char powerUp
+ unsigned char powerUp
)
{
- unsigned char config;
-
- config = i2cReadReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION);
- if (powerUp == 1)
- {
- /* Power up the chip */
- config &= ~SII164_CONFIGURATION_POWER_MASK;
- config |= SII164_CONFIGURATION_POWER_NORMAL;
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
- }
- else
- {
- /* Power down the chip */
- config &= ~SII164_CONFIGURATION_POWER_MASK;
- config |= SII164_CONFIGURATION_POWER_DOWN;
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
- }
+ unsigned char config;
+
+ config = i2cReadReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION);
+ if (powerUp == 1) {
+ /* Power up the chip */
+ config &= ~SII164_CONFIGURATION_POWER_MASK;
+ config |= SII164_CONFIGURATION_POWER_NORMAL;
+ i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
+ } else {
+ /* Power down the chip */
+ config &= ~SII164_CONFIGURATION_POWER_MASK;
+ config |= SII164_CONFIGURATION_POWER_DOWN;
+ i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
+ }
}
* This function selects the mode of the hot plug detection.
*/
static void sii164SelectHotPlugDetectionMode(
- sii164_hot_plug_mode_t hotPlugMode
+ sii164_hot_plug_mode_t hotPlugMode
)
{
- unsigned char detectReg;
-
- detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) & ~SII164_DETECT_MONITOR_SENSE_OUTPUT_FLAG;
- switch (hotPlugMode)
- {
- case SII164_HOTPLUG_DISABLE:
- detectReg |= SII164_DETECT_MONITOR_SENSE_OUTPUT_HIGH;
- break;
- case SII164_HOTPLUG_USE_MDI:
- detectReg &= ~SII164_DETECT_INTERRUPT_MASK;
- detectReg |= SII164_DETECT_INTERRUPT_BY_HTPLG_PIN;
- detectReg |= SII164_DETECT_MONITOR_SENSE_OUTPUT_MDI;
- break;
- case SII164_HOTPLUG_USE_RSEN:
- detectReg |= SII164_DETECT_MONITOR_SENSE_OUTPUT_RSEN;
- break;
- case SII164_HOTPLUG_USE_HTPLG:
- detectReg |= SII164_DETECT_MONITOR_SENSE_OUTPUT_HTPLG;
- break;
- }
-
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_DETECT, detectReg);
+ unsigned char detectReg;
+
+ detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) & ~SII164_DETECT_MONITOR_SENSE_OUTPUT_FLAG;
+ switch (hotPlugMode) {
+ case SII164_HOTPLUG_DISABLE:
+ detectReg |= SII164_DETECT_MONITOR_SENSE_OUTPUT_HIGH;
+ break;
+ case SII164_HOTPLUG_USE_MDI:
+ detectReg &= ~SII164_DETECT_INTERRUPT_MASK;
+ detectReg |= SII164_DETECT_INTERRUPT_BY_HTPLG_PIN;
+ detectReg |= SII164_DETECT_MONITOR_SENSE_OUTPUT_MDI;
+ break;
+ case SII164_HOTPLUG_USE_RSEN:
+ detectReg |= SII164_DETECT_MONITOR_SENSE_OUTPUT_RSEN;
+ break;
+ case SII164_HOTPLUG_USE_HTPLG:
+ detectReg |= SII164_DETECT_MONITOR_SENSE_OUTPUT_HTPLG;
+ break;
+ }
+
+ i2cWriteReg(SII164_I2C_ADDRESS, SII164_DETECT, detectReg);
}
/*
* enableHotPlug - Enable (=1) / disable (=0) Hot Plug detection
*/
void sii164EnableHotPlugDetection(
- unsigned char enableHotPlug
+ unsigned char enableHotPlug
)
{
- unsigned char detectReg;
- detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT);
-
- /* Depending on each DVI controller, need to enable the hot plug based on each
- individual chip design. */
- if (enableHotPlug != 0)
- sii164SelectHotPlugDetectionMode(SII164_HOTPLUG_USE_MDI);
- else
- sii164SelectHotPlugDetectionMode(SII164_HOTPLUG_DISABLE);
+ unsigned char detectReg;
+
+ detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT);
+
+ /* Depending on each DVI controller, need to enable the hot plug based on each
+ individual chip design. */
+ if (enableHotPlug != 0)
+ sii164SelectHotPlugDetectionMode(SII164_HOTPLUG_USE_MDI);
+ else
+ sii164SelectHotPlugDetectionMode(SII164_HOTPLUG_DISABLE);
}
/*
*/
unsigned char sii164IsConnected(void)
{
- unsigned char hotPlugValue;
+ unsigned char hotPlugValue;
- hotPlugValue = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) & SII164_DETECT_HOT_PLUG_STATUS_MASK;
- if (hotPlugValue == SII164_DETECT_HOT_PLUG_STATUS_ON)
- return 1;
- else
- return 0;
+ hotPlugValue = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) & SII164_DETECT_HOT_PLUG_STATUS_MASK;
+ if (hotPlugValue == SII164_DETECT_HOT_PLUG_STATUS_ON)
+ return 1;
+ else
+ return 0;
}
/*
* sii164CheckInterrupt
- * Checks if interrupt has occured.
+ * Checks if interrupt has occurred.
*
* Output:
* 0 - No interrupt
*/
unsigned char sii164CheckInterrupt(void)
{
- unsigned char detectReg;
+ unsigned char detectReg;
- detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) & SII164_DETECT_MONITOR_STATE_MASK;
- if (detectReg == SII164_DETECT_MONITOR_STATE_CHANGE)
- return 1;
- else
- return 0;
+ detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT) & SII164_DETECT_MONITOR_STATE_MASK;
+ if (detectReg == SII164_DETECT_MONITOR_STATE_CHANGE)
+ return 1;
+ else
+ return 0;
}
/*
*/
void sii164ClearInterrupt(void)
{
- unsigned char detectReg;
+ unsigned char detectReg;
- /* Clear the MDI interrupt */
- detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT);
- i2cWriteReg(SII164_I2C_ADDRESS, SII164_DETECT, detectReg | SII164_DETECT_MONITOR_STATE_CLEAR);
+ /* Clear the MDI interrupt */
+ detectReg = i2cReadReg(SII164_I2C_ADDRESS, SII164_DETECT);
+ i2cWriteReg(SII164_I2C_ADDRESS, SII164_DETECT, detectReg | SII164_DETECT_MONITOR_STATE_CLEAR);
}
#endif
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