kernel_samsung_msm8974/drivers/media/isdbt/fc8150_spi/fc8151_tun.c

/*****************************************************************************
 Copyright(c) 2012 FCI Inc. All Rights Reserved

 File name : fc8151_tun.c (WLCSP)

 Description : fc8150 tuner driver

 History :
 ----------------------------------------------------------------------
 2012/01/20 	initial 0.1 version
 2012/01/25 	initial 0.3 version
 2012/01/27 	initial 0.5 version
 2012/01/31 	initial 1.0 version
 2012/01/31 	initial 1.1 version
 2012/02/06		initial 1.2 version
 2012/02/09		initial 1.3 Version
 2012/02/15		initial 1.4 Version
 2012/02/15		initial 2.0 Version
 2012/02/24		initial 2.01 Version
 2012/03/30		initial 3.0 Version
*******************************************************************************/

#include "fci_types.h"
#include "fci_oal.h"
#include "fci_tun.h"
#include "fc8150_regs.h"
#include "fci_hal.h"

#define  FC8150_FREQ_XTAL  BBM_XTAL_FREQ  /* 26MHZ */

static int high_crnt_mode	=	1;

static int fc8151_write(HANDLE hDevice, u8 addr, u8 data)
{
	int res;
	u8 tmp;

	tmp = data;
	res = tuner_i2c_write(hDevice, addr, 1, &tmp, 1);

	return res;
}

static int fc8151_read(HANDLE hDevice, u8 addr, u8 *data)
{
	int res;

	res = tuner_i2c_read(hDevice, addr, 1, data, 1);

	return res;
}

static int fc8151_bb_read(HANDLE hDevice, u16 addr, u8 *data)
{
	int res;

	res = bbm_read(hDevice, addr, data);

	return res;
}

static int fc8151_bb_write(HANDLE hDevice, u16 addr, u8 data)
{
	return BBM_OK;
}


static int KbdFunc(HANDLE hDevice)
{
	int i	=	0;

	u8	CSF = 0x00;
	int res = BBM_OK;
	int crnt_mode[5] = {0, 0, 0, 0, 0};
	int pre_crnt_mode = 0;

	high_crnt_mode = 2;
	fc8151_write(hDevice, 0x13, 0xF4);
	fc8151_write(hDevice, 0x1F, 0x06);
	fc8151_write(hDevice, 0x33, 0x08);
	fc8151_write(hDevice, 0x34, 0x68);
	fc8151_write(hDevice, 0x35, 0x0A);

	while (1) {
		while (1) {
			for (i = 0; i < 5; i++) {
				msWait(100);
				res = fc8151_read(hDevice, 0xA6, &CSF);
				if (CSF < 4)
					crnt_mode[i] = 2;
				if (CSF == 4)
					crnt_mode[i] = 1;
				if (4 < CSF)
					crnt_mode[i] = 0;
			}

			pre_crnt_mode	=	high_crnt_mode;

			if ((crnt_mode[0] + crnt_mode[1] + crnt_mode[2]
				+ crnt_mode[3] + crnt_mode[4]) == 10)
				high_crnt_mode = 2;
			else if ((crnt_mode[0] + crnt_mode[1] + crnt_mode[2]
				+ crnt_mode[3] + crnt_mode[4]) == 5)
				high_crnt_mode = 1;
			else if ((crnt_mode[0] + crnt_mode[1] + crnt_mode[2]
				+ crnt_mode[3] + crnt_mode[4]) == 0)
				high_crnt_mode = 0;
			else
				high_crnt_mode = pre_crnt_mode;

			if (!(high_crnt_mode == pre_crnt_mode))
				break;
		}

		if (high_crnt_mode == 2) {
				fc8151_write(hDevice, 0x13, 0xF4);
				fc8151_write(hDevice, 0x1F, 0x06);
				fc8151_write(hDevice, 0x33, 0x08);
				fc8151_write(hDevice, 0x34, 0x68);
				fc8151_write(hDevice, 0x35, 0x0A);
		} else if (high_crnt_mode == 1) {
				fc8151_write(hDevice, 0x13, 0x44);
				fc8151_write(hDevice, 0x1F, 0x06);
				fc8151_write(hDevice, 0x33, 0x08);
				fc8151_write(hDevice, 0x34, 0x68);
				fc8151_write(hDevice, 0x35, 0x0A);
		} else if (high_crnt_mode == 0) {
				fc8151_write(hDevice, 0x13, 0x44);
				fc8151_write(hDevice, 0x1F, 0x02);
				fc8151_write(hDevice, 0x33, 0x04);
				fc8151_write(hDevice, 0x34, 0x48);
				fc8151_write(hDevice, 0x35, 0x0C);
		}
	}

   return res;

}

static int fc8151_set_filter(HANDLE hDevice)
{
	int i;
	u8 cal_mon = 0;

#if (FC8151_FREQ_XTAL == 16000)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x20);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 16384)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x21);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 18000)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x24);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 19200)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x26);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 24000)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x30);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 24576)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x31);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 26000)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x34);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 27000)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x36);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 27120)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x36);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 32000)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x40);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 37400)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x4B);
	fc8151_write(hDevice, 0x3B, 0x00);
#elif (FC8150_FREQ_XTAL == 38400)
	fc8151_write(hDevice, 0x3B, 0x01);
	fc8151_write(hDevice, 0x3D, 0x4D);
	fc8151_write(hDevice, 0x3B, 0x00);
#else
	return BBM_NOK;
#endif

	for (i = 0; i < 10; i++) {
		msWait(5);
		fc8151_read(hDevice, 0x33, &cal_mon);
		if ((cal_mon & 0xC0) == 0xC0)
			break;
		fc8151_write(hDevice, 0x32, 0x01);
		fc8151_write(hDevice, 0x32, 0x09);
	}

	fc8151_write(hDevice, 0x32, 0x01);

	return BBM_OK;
}

int fc8151_tuner_init(HANDLE hDevice, u32 band)
{
	u8  RFPD_REF, MIXPD_REF;
	int res = BBM_OK;

	PRINTF(hDevice, "fc8151_init\n");

	fc8151_write(hDevice, 0x00, 0x00);
	fc8151_write(hDevice, 0x02, 0x81);

	fc8151_write(hDevice, 0x13, 0xF4);
	fc8151_write(hDevice, 0x30, 0x0A);
	fc8151_write(hDevice, 0x3B, 0x01);

	fc8151_set_filter(hDevice);

	fc8151_write(hDevice, 0x3B, 0x00);

	fc8151_write(hDevice, 0x34, 0x68);
	fc8151_write(hDevice, 0x36, 0xFF);
	fc8151_write(hDevice, 0x37, 0xFF);
	fc8151_write(hDevice, 0x39, 0x11);
	fc8151_write(hDevice, 0x3A, 0x00);

	fc8151_write(hDevice, 0x52, 0x20);
	fc8151_write(hDevice, 0x53, 0x5F);
	fc8151_write(hDevice, 0x54, 0x00);
	fc8151_write(hDevice, 0x5E, 0x00);
	fc8151_write(hDevice, 0x63, 0x30);

	fc8151_write(hDevice, 0x56, 0x0F);
	fc8151_write(hDevice, 0x57, 0x1F);
	fc8151_write(hDevice, 0x58, 0x09);
	fc8151_write(hDevice, 0x59, 0x5E);

	fc8151_write(hDevice, 0x29, 0x00);

	fc8151_write(hDevice, 0x94, 0x00);
	fc8151_write(hDevice, 0x95, 0x01);
	fc8151_write(hDevice, 0x96, 0x11);
	fc8151_write(hDevice, 0x97, 0x21);
	fc8151_write(hDevice, 0x98, 0x31);
	fc8151_write(hDevice, 0x99, 0x32);
	fc8151_write(hDevice, 0x9A, 0x42);
	fc8151_write(hDevice, 0x9B, 0x52);
	fc8151_write(hDevice, 0x9C, 0x53);
	fc8151_write(hDevice, 0x9D, 0x63);
	fc8151_write(hDevice, 0x9E, 0x63);
	fc8151_write(hDevice, 0x9F, 0x63);

	fc8151_write(hDevice, 0x79, 0x2A);
	fc8151_write(hDevice, 0x7A, 0x24);
	fc8151_write(hDevice, 0x7B, 0xFF);
	fc8151_write(hDevice, 0x7C, 0x16);
	fc8151_write(hDevice, 0x7D, 0x12);
	fc8151_write(hDevice, 0x84, 0x00);
	fc8151_write(hDevice, 0x85, 0x08);
	fc8151_write(hDevice, 0x86, 0x00);
	fc8151_write(hDevice, 0x87, 0x08);
	fc8151_write(hDevice, 0x88, 0x00);
	fc8151_write(hDevice, 0x89, 0x08);
	fc8151_write(hDevice, 0x8A, 0x00);
	fc8151_write(hDevice, 0x8B, 0x08);
	fc8151_write(hDevice, 0x8C, 0x00);
	fc8151_write(hDevice, 0x8D, 0x1D);
	fc8151_write(hDevice, 0x8E, 0x13);
	fc8151_write(hDevice, 0x8F, 0x1D);
	fc8151_write(hDevice, 0x90, 0x13);
	fc8151_write(hDevice, 0x91, 0x1D);
	fc8151_write(hDevice, 0x92, 0x13);
	fc8151_write(hDevice, 0x93, 0x1D);
	fc8151_write(hDevice, 0x80, 0x1F);
	fc8151_write(hDevice, 0x81, 0x0A);
	fc8151_write(hDevice, 0x82, 0x40);
	fc8151_write(hDevice, 0x83, 0x0A);

	fc8151_write(hDevice, 0xA0, 0xC0);
	fc8151_write(hDevice, 0x7E, 0x7F);
	fc8151_write(hDevice, 0x7F, 0x7F);
	fc8151_write(hDevice, 0xD0, 0x0A);
	fc8151_write(hDevice, 0xD2, 0x28);
	fc8151_write(hDevice, 0xD4, 0x28);

	/* _beginthread(KbdFunc,0,&x); */

	fc8151_write(hDevice, 0xA0, 0x17);
	fc8151_write(hDevice, 0xD0, 0x00);
	fc8151_write(hDevice, 0xA1, 0x1D);

	msWait(100);

	res = fc8151_read(hDevice, 0xD6, &RFPD_REF);
	res = fc8151_read(hDevice, 0xD8, &MIXPD_REF);

	fc8151_write(hDevice, 0xA0, 0xD7);
	fc8151_write(hDevice, 0xD0, 0x0A);

	fc8151_write(hDevice, 0x7E, RFPD_REF);
	fc8151_write(hDevice, 0x7F, MIXPD_REF);

	fc8151_write(hDevice, 0xA0, 0xC0);
	fc8151_write(hDevice, 0xA1, 0x00);

	return res;
}


int fc8151_set_freq(HANDLE hDevice, band_type band, u32 rf_kHz)
{
	int res = BBM_OK;
	int n_captune = 0;
	unsigned long f_diff, f_diff_shifted, n_val, k_val;
	unsigned long f_vco, f_comp;
	unsigned char r_val, data_0x56;
	unsigned char pre_shift_bits = 4;

	f_vco = (rf_kHz) << 2;
	if (f_vco < FC8150_FREQ_XTAL*40)
		r_val = 2;
	else
		r_val = 1;

	f_comp = FC8150_FREQ_XTAL / r_val;

	n_val =	f_vco / f_comp;
	f_diff = f_vco - f_comp * n_val;

	f_diff_shifted = f_diff << (20 - pre_shift_bits);

	k_val = (f_diff_shifted + (f_comp >> (pre_shift_bits+1)))
		/ (f_comp >> pre_shift_bits);
	k_val = (k_val | 1);

	if (470000 < rf_kHz && rf_kHz <= 505000)
		n_captune = 4;
	else if (505000 < rf_kHz && rf_kHz <= 545000)
		n_captune = 3;
	else if (545000 < rf_kHz && rf_kHz <= 610000)
		n_captune = 2;
	else if (610000 < rf_kHz && rf_kHz <= 695000)
		n_captune = 1;
	else if (695000 < rf_kHz)
		n_captune = 0;

	fc8151_write(hDevice, 0x1E, (unsigned char)n_captune);

	data_0x56 = ((r_val == 1) ? 0 : 0x10) + (unsigned char)(k_val >> 16);
	fc8151_write(hDevice, 0x56, data_0x56);
	fc8151_write(hDevice, 0x57, (unsigned char)((k_val >> 8) & 0xFF));
	fc8151_write(hDevice, 0x58, (unsigned char)(((k_val) & 0xFF)));
	fc8151_write(hDevice, 0x59, (unsigned char) n_val);

	if (rf_kHz <= 600000)
		fc8151_write(hDevice, 0x55, 0x07);
	else
		fc8151_write(hDevice, 0x55, 0x05);

	if ((490000 < rf_kHz) && (560000 >= rf_kHz))
		fc8151_write(hDevice, 0x1F, 0x0E);
	else
		fc8151_write(hDevice, 0x1F, 0x06);

	return res;
}

int fc8151_get_rssi(HANDLE hDevice, int *rssi)
{
	int res = BBM_OK;
	u8  LNA, RFVGA, CSF, PREAMP_PGA = 0x00;
	int K = -101.25;
	float Gain_diff = 0;
	int PGA = 0;

	res |= fc8151_read(hDevice, 0xA3, &LNA);
	res |= fc8151_read(hDevice, 0xA4, &RFVGA);
	res |= fc8151_read(hDevice, 0xA6, &CSF);
	res |= fc8151_bb_read(hDevice, 0x106E, &PREAMP_PGA);

	if (res != BBM_OK)
		return res;

	if (127 < PREAMP_PGA)
		PGA = -1 * ((256 - PREAMP_PGA) + 1);
	else if (PREAMP_PGA <= 127)
		PGA = PREAMP_PGA;

	if (high_crnt_mode == 2)
		Gain_diff = 0;
	else if (high_crnt_mode == 1)
		Gain_diff = 0;
	else if (high_crnt_mode == 0)
		Gain_diff = -3.5;

	*rssi = (LNA & 0x07) * 6 + (RFVGA)
		+ (CSF & 0x0F) * 6 - PGA * 0.25f + K - Gain_diff;

	return BBM_OK;
}

int fc8151_tuner_deinit(HANDLE hDevice)
{
	return BBM_OK;
}