404 lines
11 KiB
C
404 lines
11 KiB
C
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/*
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* This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
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*
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* flexcop-fe-tuner.c - methods for attaching a frontend and controlling DiSEqC.
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*
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* see flexcop.c for copyright information.
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*/
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#include "flexcop.h"
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#include "stv0299.h"
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#include "mt352.h"
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#include "nxt2002.h"
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#include "stv0297.h"
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#include "mt312.h"
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/* lnb control */
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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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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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/* flexcop_ibi_value v = fc->read_ibi_reg(fc,misc_204); */
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if (fc->fe_sleep)
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return fc->fe_sleep(fe);
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/* v.misc_204.ACPI3_sig = 1;
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fc->write_ibi_reg(fc,misc_204,v);*/
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return 0;
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}
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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 =
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v.lnb_switch_freq_200.LNB_CTLLowCount_sig = 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, 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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udelay(12500);
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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, 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, 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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/* dvb-s stv0299 */
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static int samsung_tbmu24112_set_symbol_rate(struct dvb_frontend* fe, 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) { aclk = 0xb7; bclk = 0x47; }
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else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
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else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
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else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
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else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
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else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
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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 int samsung_tbmu24112_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
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{
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u8 buf[4];
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u32 div;
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struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
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struct flexcop_device *fc = fe->dvb->priv;
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div = params->frequency / 125;
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buf[0] = (div >> 8) & 0x7f;
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buf[1] = div & 0xff;
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buf[2] = 0x84; /* 0xC4 */
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buf[3] = 0x08;
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if (params->frequency < 1500000) buf[3] |= 0x10;
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if (i2c_transfer(&fc->i2c_adap, &msg, 1) != 1)
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return -EIO;
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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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.enhanced_tuning = 0,
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.skip_reinit = 0,
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.lock_output = STV0229_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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.pll_set = samsung_tbmu24112_pll_set,
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};
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/* dvb-t mt352 */
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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 int samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf)
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{
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u32 div;
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unsigned char bs = 0;
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#define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */
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div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6;
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if (params->frequency >= 48000000 && params->frequency <= 154000000) bs = 0x09;
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if (params->frequency >= 161000000 && params->frequency <= 439000000) bs = 0x0a;
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if (params->frequency >= 447000000 && params->frequency <= 863000000) bs = 0x08;
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pllbuf[0] = 0xc2; /* Note: non-linux standard PLL i2c address */
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pllbuf[1] = div >> 8;
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pllbuf[2] = div & 0xff;
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pllbuf[3] = 0xcc;
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pllbuf[4] = bs;
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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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.pll_set = samsung_tdtc9251dh0_pll_set,
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};
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static int nxt2002_request_firmware(struct dvb_frontend* fe, 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 nxt2002_config samsung_tbmv_config = {
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.demod_address = 0x0a,
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.request_firmware = nxt2002_request_firmware,
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};
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static int skystar23_samsung_tbdu18132_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
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{
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u8 buf[4];
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u32 div;
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struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) };
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struct flexcop_device *fc = fe->dvb->priv;
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div = (params->frequency + (125/2)) / 125;
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buf[0] = (div >> 8) & 0x7f;
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buf[1] = (div >> 0) & 0xff;
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buf[2] = 0x84 | ((div >> 10) & 0x60);
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buf[3] = 0x80;
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if (params->frequency < 1550000)
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buf[3] |= 0x02;
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if (i2c_transfer(&fc->i2c_adap, &msg, 1) != 1)
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return -EIO;
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return 0;
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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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.pll_set = skystar23_samsung_tbdu18132_pll_set,
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};
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static struct stv0297_config alps_tdee4_stv0297_config = {
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.demod_address = 0x1c,
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// .invert = 1,
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// .pll_set = alps_tdee4_stv0297_pll_set,
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};
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/* try to figure out the frontend, each card/box can have on of the following list */
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int flexcop_frontend_init(struct flexcop_device *fc)
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{
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/* try the sky v2.6 (stv0299/Samsung tbmu24112(sl1935)) */
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if ((fc->fe = stv0299_attach(&samsung_tbmu24112_config, &fc->i2c_adap)) != NULL) {
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fc->fe->ops->set_voltage = flexcop_set_voltage;
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fc->fe_sleep = fc->fe->ops->sleep;
|
||
|
|
fc->fe->ops->sleep = flexcop_sleep;
|
||
|
|
|
||
|
|
fc->dev_type = FC_SKY;
|
||
|
|
info("found the stv0299 at i2c address: 0x%02x",samsung_tbmu24112_config.demod_address);
|
||
|
|
} else
|
||
|
|
/* try the air dvb-t (mt352/Samsung tdtc9251dh0(??)) */
|
||
|
|
if ((fc->fe = mt352_attach(&samsung_tdtc9251dh0_config, &fc->i2c_adap)) != NULL ) {
|
||
|
|
fc->dev_type = FC_AIR_DVB;
|
||
|
|
info("found the mt352 at i2c address: 0x%02x",samsung_tdtc9251dh0_config.demod_address);
|
||
|
|
} else
|
||
|
|
/* try the air atsc (nxt2002) */
|
||
|
|
if ((fc->fe = nxt2002_attach(&samsung_tbmv_config, &fc->i2c_adap)) != NULL) {
|
||
|
|
fc->dev_type = FC_AIR_ATSC;
|
||
|
|
info("found the nxt2002 at i2c address: 0x%02x",samsung_tbmv_config.demod_address);
|
||
|
|
} else
|
||
|
|
/* try the cable dvb (stv0297) */
|
||
|
|
if ((fc->fe = stv0297_attach(&alps_tdee4_stv0297_config, &fc->i2c_adap, 0xf8)) != NULL) {
|
||
|
|
fc->dev_type = FC_CABLE;
|
||
|
|
info("found the stv0297 at i2c address: 0x%02x",alps_tdee4_stv0297_config.demod_address);
|
||
|
|
} else
|
||
|
|
/* try the sky v2.3 (vp310/Samsung tbdu18132(tsa5059)) */
|
||
|
|
if ((fc->fe = vp310_attach(&skystar23_samsung_tbdu18132_config, &fc->i2c_adap)) != NULL) {
|
||
|
|
fc->fe->ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
|
||
|
|
fc->fe->ops->diseqc_send_burst = flexcop_diseqc_send_burst;
|
||
|
|
fc->fe->ops->set_tone = flexcop_set_tone;
|
||
|
|
fc->fe->ops->set_voltage = flexcop_set_voltage;
|
||
|
|
|
||
|
|
fc->fe_sleep = fc->fe->ops->sleep;
|
||
|
|
fc->fe->ops->sleep = flexcop_sleep;
|
||
|
|
|
||
|
|
fc->dev_type = FC_SKY_OLD;
|
||
|
|
info("found the vp310 (aka mt312) at i2c address: 0x%02x",skystar23_samsung_tbdu18132_config.demod_address);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fc->fe == NULL) {
|
||
|
|
err("no frontend driver found for this B2C2/FlexCop adapter");
|
||
|
|
return -ENODEV;
|
||
|
|
} else {
|
||
|
|
if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
|
||
|
|
err("frontend registration failed!");
|
||
|
|
if (fc->fe->ops->release != NULL)
|
||
|
|
fc->fe->ops->release(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);
|
||
|
|
|
||
|
|
fc->init_state &= ~FC_STATE_FE_INIT;
|
||
|
|
}
|