mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
3785bc170f
b2c2 is, in fact, 2 drivers: one for PCI and one for USB, plus a common bus-independent code. Break it accordingly. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
679 lines
16 KiB
C
679 lines
16 KiB
C
/*
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* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
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* flexcop-fe-tuner.c - methods for frontend attachment and DiSEqC controlling
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* see flexcop.c for copyright information
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*/
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#include <media/tuner.h>
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#include "flexcop.h"
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#include "mt312.h"
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#include "stv0299.h"
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#include "s5h1420.h"
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#include "itd1000.h"
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#include "cx24113.h"
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#include "cx24123.h"
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#include "isl6421.h"
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#include "mt352.h"
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#include "bcm3510.h"
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#include "nxt200x.h"
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#include "dvb-pll.h"
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#include "lgdt330x.h"
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#include "tuner-simple.h"
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#include "stv0297.h"
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/* Can we use the specified front-end? Remember that if we are compiled
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* into the kernel we can't call code that's in modules. */
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#define FE_SUPPORTED(fe) (defined(CONFIG_DVB_##fe) || \
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(defined(CONFIG_DVB_##fe##_MODULE) && defined(MODULE)))
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/* lnb control */
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#if FE_SUPPORTED(MT312) || FE_SUPPORTED(STV0299)
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static int flexcop_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
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{
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struct flexcop_device *fc = fe->dvb->priv;
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flexcop_ibi_value v;
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deb_tuner("polarity/voltage = %u\n", voltage);
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v = fc->read_ibi_reg(fc, misc_204);
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switch (voltage) {
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case SEC_VOLTAGE_OFF:
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v.misc_204.ACPI1_sig = 1;
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break;
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case SEC_VOLTAGE_13:
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v.misc_204.ACPI1_sig = 0;
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v.misc_204.LNB_L_H_sig = 0;
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break;
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case SEC_VOLTAGE_18:
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v.misc_204.ACPI1_sig = 0;
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v.misc_204.LNB_L_H_sig = 1;
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break;
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default:
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err("unknown SEC_VOLTAGE value");
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return -EINVAL;
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}
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return fc->write_ibi_reg(fc, misc_204, v);
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}
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#endif
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#if FE_SUPPORTED(S5H1420) || FE_SUPPORTED(STV0299) || FE_SUPPORTED(MT312)
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static int flexcop_sleep(struct dvb_frontend* fe)
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{
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struct flexcop_device *fc = fe->dvb->priv;
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if (fc->fe_sleep)
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return fc->fe_sleep(fe);
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return 0;
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}
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#endif
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/* SkyStar2 DVB-S rev 2.3 */
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#if FE_SUPPORTED(MT312) && FE_SUPPORTED(PLL)
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static int flexcop_set_tone(struct dvb_frontend *fe, fe_sec_tone_mode_t tone)
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{
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/* u16 wz_half_period_for_45_mhz[] = { 0x01ff, 0x0154, 0x00ff, 0x00cc }; */
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struct flexcop_device *fc = fe->dvb->priv;
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flexcop_ibi_value v;
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u16 ax;
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v.raw = 0;
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deb_tuner("tone = %u\n",tone);
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switch (tone) {
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case SEC_TONE_ON:
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ax = 0x01ff;
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break;
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case SEC_TONE_OFF:
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ax = 0;
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break;
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default:
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err("unknown SEC_TONE value");
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return -EINVAL;
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}
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v.lnb_switch_freq_200.LNB_CTLPrescaler_sig = 1; /* divide by 2 */
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v.lnb_switch_freq_200.LNB_CTLHighCount_sig = ax;
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v.lnb_switch_freq_200.LNB_CTLLowCount_sig = ax == 0 ? 0x1ff : ax;
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return fc->write_ibi_reg(fc,lnb_switch_freq_200,v);
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}
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static void flexcop_diseqc_send_bit(struct dvb_frontend* fe, int data)
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{
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flexcop_set_tone(fe, SEC_TONE_ON);
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udelay(data ? 500 : 1000);
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flexcop_set_tone(fe, SEC_TONE_OFF);
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udelay(data ? 1000 : 500);
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}
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static void flexcop_diseqc_send_byte(struct dvb_frontend* fe, int data)
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{
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int i, par = 1, d;
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for (i = 7; i >= 0; i--) {
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d = (data >> i) & 1;
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par ^= d;
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flexcop_diseqc_send_bit(fe, d);
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}
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flexcop_diseqc_send_bit(fe, par);
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}
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static int flexcop_send_diseqc_msg(struct dvb_frontend *fe,
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int len, u8 *msg, unsigned long burst)
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{
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int i;
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flexcop_set_tone(fe, SEC_TONE_OFF);
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mdelay(16);
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for (i = 0; i < len; i++)
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flexcop_diseqc_send_byte(fe,msg[i]);
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mdelay(16);
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if (burst != -1) {
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if (burst)
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flexcop_diseqc_send_byte(fe, 0xff);
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else {
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flexcop_set_tone(fe, SEC_TONE_ON);
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mdelay(12);
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udelay(500);
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flexcop_set_tone(fe, SEC_TONE_OFF);
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}
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msleep(20);
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}
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return 0;
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}
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static int flexcop_diseqc_send_master_cmd(struct dvb_frontend *fe,
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struct dvb_diseqc_master_cmd *cmd)
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{
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return flexcop_send_diseqc_msg(fe, cmd->msg_len, cmd->msg, 0);
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}
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static int flexcop_diseqc_send_burst(struct dvb_frontend *fe,
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fe_sec_mini_cmd_t minicmd)
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{
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return flexcop_send_diseqc_msg(fe, 0, NULL, minicmd);
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}
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static struct mt312_config skystar23_samsung_tbdu18132_config = {
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.demod_address = 0x0e,
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};
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static int skystar2_rev23_attach(struct flexcop_device *fc,
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struct i2c_adapter *i2c)
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{
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struct dvb_frontend_ops *ops;
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fc->fe = dvb_attach(mt312_attach, &skystar23_samsung_tbdu18132_config, i2c);
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if (!fc->fe)
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return 0;
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if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
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DVB_PLL_SAMSUNG_TBDU18132))
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return 0;
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ops = &fc->fe->ops;
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ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
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ops->diseqc_send_burst = flexcop_diseqc_send_burst;
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ops->set_tone = flexcop_set_tone;
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ops->set_voltage = flexcop_set_voltage;
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fc->fe_sleep = ops->sleep;
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ops->sleep = flexcop_sleep;
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return 1;
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}
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#else
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#define skystar2_rev23_attach NULL
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#endif
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/* SkyStar2 DVB-S rev 2.6 */
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#if FE_SUPPORTED(STV0299) && FE_SUPPORTED(PLL)
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static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend *fe,
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u32 srate, u32 ratio)
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{
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u8 aclk = 0;
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u8 bclk = 0;
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if (srate < 1500000) {
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aclk = 0xb7; bclk = 0x47;
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} else if (srate < 3000000) {
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aclk = 0xb7; bclk = 0x4b;
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} else if (srate < 7000000) {
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aclk = 0xb7; bclk = 0x4f;
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} else if (srate < 14000000) {
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aclk = 0xb7; bclk = 0x53;
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} else if (srate < 30000000) {
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aclk = 0xb6; bclk = 0x53;
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} else if (srate < 45000000) {
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aclk = 0xb4; bclk = 0x51;
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}
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stv0299_writereg(fe, 0x13, aclk);
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stv0299_writereg(fe, 0x14, bclk);
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stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
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stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
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stv0299_writereg(fe, 0x21, ratio & 0xf0);
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return 0;
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}
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static u8 samsung_tbmu24112_inittab[] = {
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0x01, 0x15,
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0x02, 0x30,
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0x03, 0x00,
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0x04, 0x7D,
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0x05, 0x35,
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0x06, 0x02,
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0x07, 0x00,
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0x08, 0xC3,
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0x0C, 0x00,
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0x0D, 0x81,
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0x0E, 0x23,
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0x0F, 0x12,
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0x10, 0x7E,
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0x11, 0x84,
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0x12, 0xB9,
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0x13, 0x88,
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0x14, 0x89,
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0x15, 0xC9,
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0x16, 0x00,
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0x17, 0x5C,
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0x18, 0x00,
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0x19, 0x00,
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0x1A, 0x00,
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0x1C, 0x00,
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0x1D, 0x00,
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0x1E, 0x00,
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0x1F, 0x3A,
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0x20, 0x2E,
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0x21, 0x80,
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0x22, 0xFF,
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0x23, 0xC1,
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0x28, 0x00,
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0x29, 0x1E,
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0x2A, 0x14,
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0x2B, 0x0F,
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0x2C, 0x09,
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0x2D, 0x05,
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0x31, 0x1F,
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0x32, 0x19,
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0x33, 0xFE,
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0x34, 0x93,
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0xff, 0xff,
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};
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static struct stv0299_config samsung_tbmu24112_config = {
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.demod_address = 0x68,
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.inittab = samsung_tbmu24112_inittab,
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.mclk = 88000000UL,
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.invert = 0,
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.skip_reinit = 0,
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.lock_output = STV0299_LOCKOUTPUT_LK,
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.volt13_op0_op1 = STV0299_VOLT13_OP1,
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.min_delay_ms = 100,
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.set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
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};
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static int skystar2_rev26_attach(struct flexcop_device *fc,
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struct i2c_adapter *i2c)
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{
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fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, i2c);
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if (!fc->fe)
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return 0;
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if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, i2c,
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DVB_PLL_SAMSUNG_TBMU24112))
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return 0;
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fc->fe->ops.set_voltage = flexcop_set_voltage;
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fc->fe_sleep = fc->fe->ops.sleep;
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fc->fe->ops.sleep = flexcop_sleep;
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return 1;
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}
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#else
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#define skystar2_rev26_attach NULL
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#endif
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/* SkyStar2 DVB-S rev 2.7 */
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#if FE_SUPPORTED(S5H1420) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_ITD1000)
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static struct s5h1420_config skystar2_rev2_7_s5h1420_config = {
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.demod_address = 0x53,
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.invert = 1,
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.repeated_start_workaround = 1,
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.serial_mpeg = 1,
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};
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static struct itd1000_config skystar2_rev2_7_itd1000_config = {
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.i2c_address = 0x61,
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};
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static int skystar2_rev27_attach(struct flexcop_device *fc,
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struct i2c_adapter *i2c)
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{
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flexcop_ibi_value r108;
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struct i2c_adapter *i2c_tuner;
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/* enable no_base_addr - no repeated start when reading */
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fc->fc_i2c_adap[0].no_base_addr = 1;
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fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config,
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i2c);
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if (!fc->fe)
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goto fail;
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i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
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if (!i2c_tuner)
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goto fail;
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fc->fe_sleep = fc->fe->ops.sleep;
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fc->fe->ops.sleep = flexcop_sleep;
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/* enable no_base_addr - no repeated start when reading */
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fc->fc_i2c_adap[2].no_base_addr = 1;
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if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
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0x08, 1, 1)) {
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err("ISL6421 could NOT be attached");
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goto fail_isl;
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}
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info("ISL6421 successfully attached");
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/* the ITD1000 requires a lower i2c clock - is it a problem ? */
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r108.raw = 0x00000506;
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fc->write_ibi_reg(fc, tw_sm_c_108, r108);
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if (!dvb_attach(itd1000_attach, fc->fe, i2c_tuner,
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&skystar2_rev2_7_itd1000_config)) {
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err("ITD1000 could NOT be attached");
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/* Should i2c clock be restored? */
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goto fail_isl;
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}
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info("ITD1000 successfully attached");
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return 1;
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fail_isl:
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fc->fc_i2c_adap[2].no_base_addr = 0;
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fail:
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/* for the next devices we need it again */
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fc->fc_i2c_adap[0].no_base_addr = 0;
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return 0;
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}
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#else
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#define skystar2_rev27_attach NULL
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#endif
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/* SkyStar2 rev 2.8 */
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#if FE_SUPPORTED(CX24123) && FE_SUPPORTED(ISL6421) && FE_SUPPORTED(TUNER_CX24113)
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static struct cx24123_config skystar2_rev2_8_cx24123_config = {
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.demod_address = 0x55,
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.dont_use_pll = 1,
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.agc_callback = cx24113_agc_callback,
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};
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static const struct cx24113_config skystar2_rev2_8_cx24113_config = {
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.i2c_addr = 0x54,
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.xtal_khz = 10111,
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};
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static int skystar2_rev28_attach(struct flexcop_device *fc,
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struct i2c_adapter *i2c)
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{
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struct i2c_adapter *i2c_tuner;
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fc->fe = dvb_attach(cx24123_attach, &skystar2_rev2_8_cx24123_config,
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i2c);
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if (!fc->fe)
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return 0;
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i2c_tuner = cx24123_get_tuner_i2c_adapter(fc->fe);
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if (!i2c_tuner)
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return 0;
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if (!dvb_attach(cx24113_attach, fc->fe, &skystar2_rev2_8_cx24113_config,
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i2c_tuner)) {
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err("CX24113 could NOT be attached");
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return 0;
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}
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info("CX24113 successfully attached");
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fc->fc_i2c_adap[2].no_base_addr = 1;
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if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
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0x08, 0, 0)) {
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err("ISL6421 could NOT be attached");
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fc->fc_i2c_adap[2].no_base_addr = 0;
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return 0;
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}
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info("ISL6421 successfully attached");
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/* TODO on i2c_adap[1] addr 0x11 (EEPROM) there seems to be an
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* IR-receiver (PIC16F818) - but the card has no input for that ??? */
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return 1;
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}
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#else
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#define skystar2_rev28_attach NULL
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#endif
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/* AirStar DVB-T */
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#if FE_SUPPORTED(MT352) && FE_SUPPORTED(PLL)
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static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend *fe)
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{
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static u8 mt352_clock_config[] = { 0x89, 0x18, 0x2d };
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static u8 mt352_reset[] = { 0x50, 0x80 };
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static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
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static u8 mt352_agc_cfg[] = { 0x67, 0x28, 0xa1 };
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static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };
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mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
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udelay(2000);
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mt352_write(fe, mt352_reset, sizeof(mt352_reset));
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mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
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mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
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mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg));
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return 0;
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}
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static struct mt352_config samsung_tdtc9251dh0_config = {
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.demod_address = 0x0f,
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.demod_init = samsung_tdtc9251dh0_demod_init,
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};
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static int airstar_dvbt_attach(struct flexcop_device *fc,
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struct i2c_adapter *i2c)
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{
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fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c);
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if (!fc->fe)
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return 0;
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return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
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DVB_PLL_SAMSUNG_TDTC9251DH0);
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}
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#else
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#define airstar_dvbt_attach NULL
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#endif
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/* AirStar ATSC 1st generation */
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#if FE_SUPPORTED(BCM3510)
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static int flexcop_fe_request_firmware(struct dvb_frontend *fe,
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const struct firmware **fw, char* name)
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{
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struct flexcop_device *fc = fe->dvb->priv;
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return request_firmware(fw, name, fc->dev);
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}
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static struct bcm3510_config air2pc_atsc_first_gen_config = {
|
|
.demod_address = 0x0f,
|
|
.request_firmware = flexcop_fe_request_firmware,
|
|
};
|
|
|
|
static int airstar_atsc1_attach(struct flexcop_device *fc,
|
|
struct i2c_adapter *i2c)
|
|
{
|
|
fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, i2c);
|
|
return fc->fe != NULL;
|
|
}
|
|
#else
|
|
#define airstar_atsc1_attach NULL
|
|
#endif
|
|
|
|
/* AirStar ATSC 2nd generation */
|
|
#if FE_SUPPORTED(NXT200X) && FE_SUPPORTED(PLL)
|
|
static struct nxt200x_config samsung_tbmv_config = {
|
|
.demod_address = 0x0a,
|
|
};
|
|
|
|
static int airstar_atsc2_attach(struct flexcop_device *fc,
|
|
struct i2c_adapter *i2c)
|
|
{
|
|
fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, i2c);
|
|
if (!fc->fe)
|
|
return 0;
|
|
|
|
return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
|
|
DVB_PLL_SAMSUNG_TBMV);
|
|
}
|
|
#else
|
|
#define airstar_atsc2_attach NULL
|
|
#endif
|
|
|
|
/* AirStar ATSC 3rd generation */
|
|
#if FE_SUPPORTED(LGDT330X)
|
|
static struct lgdt330x_config air2pc_atsc_hd5000_config = {
|
|
.demod_address = 0x59,
|
|
.demod_chip = LGDT3303,
|
|
.serial_mpeg = 0x04,
|
|
.clock_polarity_flip = 1,
|
|
};
|
|
|
|
static int airstar_atsc3_attach(struct flexcop_device *fc,
|
|
struct i2c_adapter *i2c)
|
|
{
|
|
fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, i2c);
|
|
if (!fc->fe)
|
|
return 0;
|
|
|
|
return !!dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
|
|
TUNER_LG_TDVS_H06XF);
|
|
}
|
|
#else
|
|
#define airstar_atsc3_attach NULL
|
|
#endif
|
|
|
|
/* CableStar2 DVB-C */
|
|
#if FE_SUPPORTED(STV0297) && FE_SUPPORTED(PLL)
|
|
static u8 alps_tdee4_stv0297_inittab[] = {
|
|
0x80, 0x01,
|
|
0x80, 0x00,
|
|
0x81, 0x01,
|
|
0x81, 0x00,
|
|
0x00, 0x48,
|
|
0x01, 0x58,
|
|
0x03, 0x00,
|
|
0x04, 0x00,
|
|
0x07, 0x00,
|
|
0x08, 0x00,
|
|
0x30, 0xff,
|
|
0x31, 0x9d,
|
|
0x32, 0xff,
|
|
0x33, 0x00,
|
|
0x34, 0x29,
|
|
0x35, 0x55,
|
|
0x36, 0x80,
|
|
0x37, 0x6e,
|
|
0x38, 0x9c,
|
|
0x40, 0x1a,
|
|
0x41, 0xfe,
|
|
0x42, 0x33,
|
|
0x43, 0x00,
|
|
0x44, 0xff,
|
|
0x45, 0x00,
|
|
0x46, 0x00,
|
|
0x49, 0x04,
|
|
0x4a, 0x51,
|
|
0x4b, 0xf8,
|
|
0x52, 0x30,
|
|
0x53, 0x06,
|
|
0x59, 0x06,
|
|
0x5a, 0x5e,
|
|
0x5b, 0x04,
|
|
0x61, 0x49,
|
|
0x62, 0x0a,
|
|
0x70, 0xff,
|
|
0x71, 0x04,
|
|
0x72, 0x00,
|
|
0x73, 0x00,
|
|
0x74, 0x0c,
|
|
0x80, 0x20,
|
|
0x81, 0x00,
|
|
0x82, 0x30,
|
|
0x83, 0x00,
|
|
0x84, 0x04,
|
|
0x85, 0x22,
|
|
0x86, 0x08,
|
|
0x87, 0x1b,
|
|
0x88, 0x00,
|
|
0x89, 0x00,
|
|
0x90, 0x00,
|
|
0x91, 0x04,
|
|
0xa0, 0x86,
|
|
0xa1, 0x00,
|
|
0xa2, 0x00,
|
|
0xb0, 0x91,
|
|
0xb1, 0x0b,
|
|
0xc0, 0x5b,
|
|
0xc1, 0x10,
|
|
0xc2, 0x12,
|
|
0xd0, 0x02,
|
|
0xd1, 0x00,
|
|
0xd2, 0x00,
|
|
0xd3, 0x00,
|
|
0xd4, 0x02,
|
|
0xd5, 0x00,
|
|
0xde, 0x00,
|
|
0xdf, 0x01,
|
|
0xff, 0xff,
|
|
};
|
|
|
|
static struct stv0297_config alps_tdee4_stv0297_config = {
|
|
.demod_address = 0x1c,
|
|
.inittab = alps_tdee4_stv0297_inittab,
|
|
};
|
|
|
|
static int cablestar2_attach(struct flexcop_device *fc,
|
|
struct i2c_adapter *i2c)
|
|
{
|
|
fc->fc_i2c_adap[0].no_base_addr = 1;
|
|
fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c);
|
|
if (!fc->fe)
|
|
goto fail;
|
|
|
|
/* This tuner doesn't use the stv0297's I2C gate, but instead the
|
|
* tuner is connected to a different flexcop I2C adapter. */
|
|
if (fc->fe->ops.i2c_gate_ctrl)
|
|
fc->fe->ops.i2c_gate_ctrl(fc->fe, 0);
|
|
fc->fe->ops.i2c_gate_ctrl = NULL;
|
|
|
|
if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61,
|
|
&fc->fc_i2c_adap[2].i2c_adap, DVB_PLL_TDEE4))
|
|
goto fail;
|
|
|
|
return 1;
|
|
|
|
fail:
|
|
/* Reset for next frontend to try */
|
|
fc->fc_i2c_adap[0].no_base_addr = 0;
|
|
return 0;
|
|
}
|
|
#else
|
|
#define cablestar2_attach NULL
|
|
#endif
|
|
|
|
static struct {
|
|
flexcop_device_type_t type;
|
|
int (*attach)(struct flexcop_device *, struct i2c_adapter *);
|
|
} flexcop_frontends[] = {
|
|
{ FC_SKY_REV27, skystar2_rev27_attach },
|
|
{ FC_SKY_REV28, skystar2_rev28_attach },
|
|
{ FC_SKY_REV26, skystar2_rev26_attach },
|
|
{ FC_AIR_DVBT, airstar_dvbt_attach },
|
|
{ FC_AIR_ATSC2, airstar_atsc2_attach },
|
|
{ FC_AIR_ATSC3, airstar_atsc3_attach },
|
|
{ FC_AIR_ATSC1, airstar_atsc1_attach },
|
|
{ FC_CABLE, cablestar2_attach },
|
|
{ FC_SKY_REV23, skystar2_rev23_attach },
|
|
};
|
|
|
|
/* try to figure out the frontend */
|
|
int flexcop_frontend_init(struct flexcop_device *fc)
|
|
{
|
|
int i;
|
|
for (i = 0; i < ARRAY_SIZE(flexcop_frontends); i++) {
|
|
if (!flexcop_frontends[i].attach)
|
|
continue;
|
|
/* type needs to be set before, because of some workarounds
|
|
* done based on the probed card type */
|
|
fc->dev_type = flexcop_frontends[i].type;
|
|
if (flexcop_frontends[i].attach(fc, &fc->fc_i2c_adap[0].i2c_adap))
|
|
goto fe_found;
|
|
/* Clean up partially attached frontend */
|
|
if (fc->fe) {
|
|
dvb_frontend_detach(fc->fe);
|
|
fc->fe = NULL;
|
|
}
|
|
}
|
|
fc->dev_type = FC_UNK;
|
|
err("no frontend driver found for this B2C2/FlexCop adapter");
|
|
return -ENODEV;
|
|
|
|
fe_found:
|
|
info("found '%s' .", fc->fe->ops.info.name);
|
|
if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
|
|
err("frontend registration failed!");
|
|
dvb_frontend_detach(fc->fe);
|
|
fc->fe = NULL;
|
|
return -EINVAL;
|
|
}
|
|
fc->init_state |= FC_STATE_FE_INIT;
|
|
return 0;
|
|
}
|
|
|
|
void flexcop_frontend_exit(struct flexcop_device *fc)
|
|
{
|
|
if (fc->init_state & FC_STATE_FE_INIT) {
|
|
dvb_unregister_frontend(fc->fe);
|
|
dvb_frontend_detach(fc->fe);
|
|
}
|
|
fc->init_state &= ~FC_STATE_FE_INIT;
|
|
}
|