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Diffstat (limited to 'api/Infineon_TUA8010.c')
| -rw-r--r-- | api/Infineon_TUA8010.c | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/api/Infineon_TUA8010.c b/api/Infineon_TUA8010.c new file mode 100644 index 0000000..f98716b --- /dev/null +++ b/api/Infineon_TUA8010.c @@ -0,0 +1,309 @@ +/** + * @(#)Infineon_TUA8010.cpp + * + * ========================================================== + * Version: 2.2 + * Date: 2008.10.22 + * ========================================================== + * + * ========================================================== + * History: + * + * Date Author Description + * ---------------------------------------------------------- + * + * 2008.08.19 Tom Lin added tuner version + * 2008.10.16 Tom Lin update driver_TUA8010.cpp + * for U/V band switch + * 2008.10.22 Tom Lin enable clock out by tuner reg 0x03 + * ========================================================== + * + * Copyright 2008 Afatech, Inc. All rights reserved. + * + */ + + +//#include <stdio.h> //for Linux +#include "type.h" +#include "error.h" +#include "user.h" +#include "register.h" +#include "standard.h" +#include "driver_tua8010.h" +#include "Infineon_TUA8010_Script.h" + + +static Demodulator* DemodHandle = NULL; +static Byte DemodChip = 0; + +/*======================================================================================================================== + additional needed external funtions ( have to be provided by the user! ) +========================================================================================================================*/ + +/** + * set / reset tuner reset input + * @param i_state level + * @retval TUNER_OK No error + * @retval TUNER__ERROR Error +*/ + +int setRESETN8010 (unsigned int i_state) +{ + Dword error = Error_NO_ERROR; + + if (i_state == H_LEVEL) { + /* set tuner RXEN pin to "H" */ + error = Standard_writeRegisterBits (DemodHandle, DemodChip, Processor_LINK, p_reg_top_gpiot3_o, reg_top_gpiot3_o_pos, reg_top_gpiot3_o_len, 1); + if (error) goto exit; + } else { + /* set tuner RXEN pin to "L" */ + error = Standard_writeRegisterBits (DemodHandle, DemodChip, Processor_LINK, p_reg_top_gpiot3_o, reg_top_gpiot3_o_pos, reg_top_gpiot3_o_len, 0); + if (error) goto exit; + } + +exit: + if (error) + return (TUNER_ERR); + else + return (TUNER_OK); +} + +/** + * set / reset tuner receive enable input + * @param i_state level + * @retval TUNER_OK No error + * @retval TUNER__ERROR Error +*/ + +int setRXEN8010 (unsigned int i_state) +{ + Dword error = Error_NO_ERROR; + + if (i_state == H_LEVEL) { + /* set tuner RXEN pin to "H" */ + error = Standard_writeRegisterBits (DemodHandle, DemodChip, Processor_LINK, p_reg_top_gpiot2_o, reg_top_gpiot2_o_pos, reg_top_gpiot2_o_len, 1); + if (error) goto exit; + } else { + /* set tuner RXEN pin to "L" */ + error = Standard_writeRegisterBits (DemodHandle, DemodChip, Processor_LINK, p_reg_top_gpiot2_o, reg_top_gpiot2_o_pos, reg_top_gpiot2_o_len, 0); + if (error) goto exit; + } + +exit: + if (error) + return (TUNER_ERR); + else + return (TUNER_OK); +} + + +/** + * set / reset tuner chiop enable input + * @param i_state level + * @retval TUNER_OK No error + * @retval TUNER__ERROR Error +*/ + +int setCEN8010 (unsigned int i_state) + {// wait for H/W design which GPIO to use + // if (i_state == H_LEVEL) + // /* set tuner CEN pin to "H" */ + // + // else + // /* set tuner CEN pin to "L" */ + // + return TUNER_OK; + } + + +/** + * waitloop + * @param i_looptime * 1uS + * @retval TUNER_OK No error + * @retval TUNER__ERROR Error +*/ + +int waitloop8010 (unsigned int i_looptime) +{ + /* wait time = i_looptime * 1 uS */ + + User_delay (DemodHandle, i_looptime/1000); + + return TUNER_OK; +} + + +/** + * i2cBusWrite + * @param deviceAdress chip address + * @param registerAdress register address + * @param *date pointer to data source + * @param length number of bytes to transmit + * @retval TUNER_OK No error + * @retval TUNER__ERROR Error +*/ + +int i2cBusWrite8010 (unsigned char deviceAddress, unsigned char registerAddress, char *date, unsigned int length) +{ + /* I2C write data format */ + /* STA device_address ACK register_address ACK H_Byte-Data ACK L_Byte-Data !ACK STO */ + + /* STA = start condition, ACK = Acknowledge, STO = stop condition */ + /* *date = pointer to data source */ + /* length = number of bytes to write */ + Dword error = Error_NO_ERROR; + + error = Standard_writeTunerRegisters (DemodHandle, DemodChip, (Word)registerAddress, (Byte)length, (Byte*)date); + if (error) goto exit; + +exit: + if (error) + return (TUNER_ERR); + else + return (TUNER_OK); +} + + +/** + * i2cBusRead + * @param deviceAdress chip address + * @param registerAdress register address + * @param *date pointer to data destination + * @param length number of bytes to read + * @retval TUNER_OK No error + * @retval TUNER__ERROR Error +*/ + +int i2cBusRead8010 (unsigned char deviceAddress, unsigned char registerAddress, char *date, unsigned int length) +{ + /* I2C read data format */ + /* STA device_address ACK register_address ACK STA H_Byte-Data ACK device_address_read ACK H_Byte-Data ACK L_Byte-Data ACKH STO */ + + /* STA = start condition, ACK = Acknowledge (generated by TUA8010), ACKH = Acknowledge (generated by Host), STO = stop condition */ + /* *date = pointer to data destination */ + /* length = number of bytes to read */ + Dword error = Error_NO_ERROR; + + error = Standard_readTunerRegisters (DemodHandle, DemodChip, (Word)registerAddress, (Byte)length, (Byte*)date); + if (error) goto exit; + +exit: + if (error) + return (TUNER_ERR); + else + return (TUNER_OK); +} + +/*======================================================================================================================== + end of additional needed external funtions +========================================================================================================================*/ + +Dword TUA8010_open ( + IN Demodulator* demodulator, + IN Byte chip +) { + Dword error = Error_NO_ERROR; + Byte buffer[2] = {0,}; + + DemodHandle = demodulator; + DemodChip = chip; + + error = Standard_writeRegisterBits (DemodHandle, DemodChip, Processor_LINK, p_reg_top_gpiot2_en, reg_top_gpiot2_en_pos, reg_top_gpiot2_en_len, 1); + if (error) goto exit; + + error = Standard_writeRegisterBits (DemodHandle, DemodChip, Processor_LINK, p_reg_top_gpiot2_on, reg_top_gpiot2_on_pos, reg_top_gpiot2_on_len, 1); + if (error) goto exit; + + error = Standard_writeRegisterBits (DemodHandle, DemodChip, Processor_LINK, p_reg_top_gpiot3_en, reg_top_gpiot3_en_pos, reg_top_gpiot3_en_len, 1); + if (error) goto exit; + + error = Standard_writeRegisterBits (DemodHandle, DemodChip, Processor_LINK, p_reg_top_gpiot3_on, reg_top_gpiot3_on_pos, reg_top_gpiot3_on_len, 1); + if (error) goto exit; + + error = Standard_writeRegister (DemodHandle, DemodChip, Processor_LINK, p_reg_top_agc_od, 0); + if (error) goto exit; + + error = initializeTUA8010(); + if (error) { + error = Error_WRITE_TUNER_FAIL; + goto exit; + } + + /** Enable clock output */ + error = Standard_readTunerRegisters (DemodHandle, DemodChip, 0x03, 2, buffer); + if (error) goto exit; + + buffer[0] = buffer[0] | 0x10; + + error = Standard_writeTunerRegisters (DemodHandle, DemodChip, 0x03, 2, buffer); + +exit: + return (error); +} + + +Dword TUA8010_close ( + IN Demodulator* demodulator, + IN Byte chip +) { + Dword error = Error_NO_ERROR; + Byte buffer[2] = {0,}; + + DemodHandle = demodulator; + DemodChip = chip; + + /** Disable clock output */ + error = Standard_readTunerRegisters (DemodHandle, DemodChip, 0x03, 2, buffer); + if (error) goto exit; + + buffer[0] = buffer[0] & 0xEF; + + error = Standard_writeTunerRegisters (DemodHandle, DemodChip, 0x03, 2, buffer); + +exit: + return (error); +} + +Dword TUA8010_set ( + IN Demodulator* demodulator, + IN Byte chip, + IN Word bandwidth, + IN Dword frequency +) { + Dword error = Error_NO_ERROR; + DemodChip = chip; + + Word bw = 0; + + if (bandwidth == 8000) + bw = TUNER_BANDWIDTH_8MHZ; + else if (bandwidth == 7000) + bw = TUNER_BANDWIDTH_7MHZ; + else if (bandwidth == 6000) + bw = TUNER_BANDWIDTH_6MHZ; + else + bw = TUNER_BANDWIDTH_5MHZ; + + error = tuneTUA8010 (frequency, (tunerDriverBW_t)bw); + if (error) { + error = Error_WRITE_TUNER_FAIL; + goto exit; + } + +exit: + return (error); +} + + +TunerDescription tuner_TUA8010 = { + TUA8010_open, + TUA8010_close, + TUA8010_set, + TUA8010_scripts, + TUA8010_scriptSets, + TUA8010_ADDRESS, /** tuner i2c address */ + 1, /** length of tuner register address */ + 0, /** tuner if */ + True, /** spectrum inverse */ + 0x27, /** tuner id */ +}; 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