diff options
Diffstat (limited to 'drivers/media/isdbt/fc8150/fci_tun.c')
| -rw-r--r-- | drivers/media/isdbt/fc8150/fci_tun.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/drivers/media/isdbt/fc8150/fci_tun.c b/drivers/media/isdbt/fc8150/fci_tun.c new file mode 100644 index 0000000..a369487 --- /dev/null +++ b/drivers/media/isdbt/fc8150/fci_tun.c @@ -0,0 +1,204 @@ +/***************************************************************************** + Copyright(c) 2012 FCI Inc. All Rights Reserved + + File name : fci_tun.c + + Description : tuner control driver +*******************************************************************************/ + +#include "fci_types.h" +#include "fci_oal.h" +#include "fci_hal.h" +#include "fci_tun.h" +#include "fci_i2c.h" +#include "fci_bypass.h" +#include "fc8150_regs.h" +#include "fc8150_bb.h" +#include "fc8150_tun.h" + + +#define FC8150_TUNER_ADDR 0x5b + +static u8 tuner_addr = FC8150_TUNER_ADDR; +static enum band_type tuner_band = ISDBT_1_SEG_TYPE; +static enum i2c_type tuner_i2c = FCI_I2C_TYPE; + +struct I2C_DRV { + int (*init)(HANDLE hDevice, int speed, int slaveaddr); + int (*read)(HANDLE hDevice, u8 chip, u8 addr + , u8 alen, u8 *data, u8 len); + int (*write)(HANDLE hDevice, u8 chip, u8 addr + , u8 alen, u8 *data, u8 len); + int (*deinit)(HANDLE hDevice); +}; + +static struct I2C_DRV fcii2c = { + &fci_i2c_init, + &fci_i2c_read, + &fci_i2c_write, + &fci_i2c_deinit +}; + +static struct I2C_DRV fcibypass = { + &fci_bypass_init, + &fci_bypass_read, + &fci_bypass_write, + &fci_bypass_deinit +}; + +struct TUNER_DRV { + int (*init)(HANDLE hDevice, enum band_type band); + int (*set_freq)(HANDLE hDevice + , enum band_type band, u32 rf_Khz); + int (*get_rssi)(HANDLE hDevice, int *rssi); + int (*deinit)(HANDLE hDevice); +}; + +static struct TUNER_DRV fc8150_tuner = { + &fc8150_tuner_init, + &fc8150_set_freq, + &fc8150_get_rssi, + &fc8150_tuner_deinit +}; + +#if 0 +static TUNER_DRV fc8151_tuner = { + &fc8151_tuner_init, + &fc8151_set_freq, + &fc8151_get_rssi, + &fc8151_tuner_deinit +}; +#endif + +static struct I2C_DRV *tuner_ctrl = &fcii2c; +static struct TUNER_DRV *tuner = &fc8150_tuner; + +int tuner_ctrl_select(HANDLE hDevice, enum i2c_type type) +{ + switch (type) { + case FCI_I2C_TYPE: + tuner_ctrl = &fcii2c; + break; + case FCI_BYPASS_TYPE: + tuner_ctrl = &fcibypass; + break; + default: + return BBM_E_TN_CTRL_SELECT; + } + + if (tuner_ctrl->init(hDevice, 600, 0)) + return BBM_E_TN_CTRL_INIT; + + tuner_i2c = type; + + return BBM_OK; +} + +int tuner_ctrl_deselect(HANDLE hDevice) +{ + if (tuner_ctrl == NULL) + return BBM_E_TN_CTRL_SELECT; + + tuner_ctrl->deinit(hDevice); + + tuner_i2c = FCI_I2C_TYPE; + tuner_ctrl = &fcii2c; + + return BBM_OK; +} + +int tuner_i2c_read(HANDLE hDevice, u8 addr, u8 alen, u8 *data, u8 len) +{ + if (tuner_ctrl == NULL) + return BBM_E_TN_CTRL_SELECT; + + if (tuner_ctrl->read(hDevice, tuner_addr, addr, alen, data, len)) + return BBM_E_TN_READ; + + return BBM_OK; +} + +int tuner_i2c_write(HANDLE hDevice, u8 addr, u8 alen, u8 *data, u8 len) +{ + if (tuner_ctrl == NULL) + return BBM_E_TN_CTRL_SELECT; + + if (tuner_ctrl->write(hDevice, tuner_addr, addr, alen, data, len)) + return BBM_E_TN_WRITE; + + return BBM_OK; +} + +int tuner_set_freq(HANDLE hDevice, u32 freq) +{ + if (tuner == NULL) + return BBM_E_TN_SELECT; + +#if (BBM_BAND_WIDTH == 8) + freq -= 460; +#else + freq -= 380; +#endif + + if (tuner->set_freq(hDevice, tuner_band, freq)) + return BBM_E_TN_SET_FREQ; + + fc8150_reset(hDevice); + + return BBM_OK; +} + +int tuner_select(HANDLE hDevice, u32 product, u32 band) +{ + switch (product) { + case FC8150_TUNER: + tuner = &fc8150_tuner; + tuner_addr = FC8150_TUNER_ADDR; + tuner_band = band; + break; +#if 0 + case FC8151_TUNER: + tuner = &fc8151_tuner; + tuner_addr = FC8150_TUNER_ADDR; + tuner_band = band; + break; +#endif + default: + return BBM_E_TN_SELECT; + } + + if (tuner == NULL) + return BBM_E_TN_SELECT; + + if (tuner_i2c == FCI_BYPASS_TYPE) + bbm_write(hDevice, BBM_RF_DEVID, tuner_addr); + + if (tuner->init(hDevice, tuner_band)) + return BBM_E_TN_INIT; + + return BBM_OK; +} + +int tuner_deselect(HANDLE hDevice) +{ + if (tuner == NULL) + return BBM_E_TN_SELECT; + + if (tuner->deinit(hDevice)) + return BBM_NOK; + + tuner = NULL; + + return BBM_OK; +} + +int tuner_get_rssi(HANDLE hDevice, s32 *rssi) +{ + if (tuner == NULL) + return BBM_E_TN_SELECT; + + if (tuner->get_rssi(hDevice, rssi)) + return BBM_E_TN_RSSI; + + return BBM_OK; +} |