diff options
Diffstat (limited to 'drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c')
-rw-r--r-- | drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c | 582 |
1 files changed, 0 insertions, 582 deletions
diff --git a/drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c b/drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c deleted file mode 100644 index 5a71b88797d9..000000000000 --- a/drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c +++ /dev/null @@ -1,582 +0,0 @@ -/* - * dvb-dibusb-fe-i2c.c is part of the driver for mobile USB Budget DVB-T devices - * based on reference design made by DiBcom (http://www.dibcom.fr/) - * - * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) - * - * see dvb-dibusb-core.c for more copyright details. - * - * This file contains functions for attaching, initializing of an appropriate - * demodulator/frontend. I2C-stuff is also located here. - * - */ -#include "dvb-dibusb.h" - -#include <linux/usb.h> - -static int dibusb_i2c_msg(struct usb_dibusb *dib, u8 addr, - u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) -{ - u8 sndbuf[wlen+4]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */ - /* write only ? */ - int wo = (rbuf == NULL || rlen == 0), - len = 2 + wlen + (wo ? 0 : 2); - - sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ; - sndbuf[1] = (addr << 1) | (wo ? 0 : 1); - - memcpy(&sndbuf[2],wbuf,wlen); - - if (!wo) { - sndbuf[wlen+2] = (rlen >> 8) & 0xff; - sndbuf[wlen+3] = rlen & 0xff; - } - - return dibusb_readwrite_usb(dib,sndbuf,len,rbuf,rlen); -} - -/* - * I2C master xfer function - */ -static int dibusb_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg *msg,int num) -{ - struct usb_dibusb *dib = i2c_get_adapdata(adap); - int i; - - if (down_interruptible(&dib->i2c_sem) < 0) - return -EAGAIN; - - if (num > 2) - warn("more than 2 i2c messages at a time is not handled yet. TODO."); - - for (i = 0; i < num; i++) { - /* write/read request */ - if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { - if (dibusb_i2c_msg(dib, msg[i].addr, msg[i].buf,msg[i].len, - msg[i+1].buf,msg[i+1].len) < 0) - break; - i++; - } else - if (dibusb_i2c_msg(dib, msg[i].addr, msg[i].buf,msg[i].len,NULL,0) < 0) - break; - } - - up(&dib->i2c_sem); - return i; -} - -static u32 dibusb_i2c_func(struct i2c_adapter *adapter) -{ - return I2C_FUNC_I2C; -} - -static struct i2c_algorithm dibusb_algo = { - .name = "DiBcom USB i2c algorithm", - .id = I2C_ALGO_BIT, - .master_xfer = dibusb_i2c_xfer, - .functionality = dibusb_i2c_func, -}; - -static int dibusb_general_demod_init(struct dvb_frontend *fe); -static u8 dibusb_general_pll_addr(struct dvb_frontend *fe); -static int dibusb_general_pll_init(struct dvb_frontend *fe, u8 pll_buf[5]); -static int dibusb_general_pll_set(struct dvb_frontend *fe, - struct dvb_frontend_parameters* params, u8 pll_buf[5]); - -static struct mt352_config mt352_hanftek_umt_010_config = { - .demod_address = 0x1e, - .demod_init = dibusb_general_demod_init, - .pll_set = dibusb_general_pll_set, -}; - -static int dibusb_tuner_quirk(struct usb_dibusb *dib) -{ - switch (dib->dibdev->dev_cl->id) { - case DIBUSB1_1: /* some these device have the ENV77H11D5 and some the THOMSON CABLE */ - case DIBUSB1_1_AN2235: { /* actually its this device, but in warm state they are indistinguishable */ - struct dibusb_tuner *t; - u8 b[2] = { 0,0 } ,b2[1]; - struct i2c_msg msg[2] = { - { .flags = 0, .buf = b, .len = 2 }, - { .flags = I2C_M_RD, .buf = b2, .len = 1}, - }; - - t = &dibusb_tuner[DIBUSB_TUNER_COFDM_PANASONIC_ENV77H11D5]; - - msg[0].addr = msg[1].addr = t->pll_addr; - - if (dib->xfer_ops.tuner_pass_ctrl != NULL) - dib->xfer_ops.tuner_pass_ctrl(dib->fe,1,t->pll_addr); - dibusb_i2c_xfer(&dib->i2c_adap,msg,2); - if (dib->xfer_ops.tuner_pass_ctrl != NULL) - dib->xfer_ops.tuner_pass_ctrl(dib->fe,0,t->pll_addr); - - if (b2[0] == 0xfe) - info("this device has the Thomson Cable onboard. Which is default."); - else { - dib->tuner = t; - info("this device has the Panasonic ENV77H11D5 onboard."); - } - break; - } - default: - break; - } - return 0; -} - -int dibusb_fe_init(struct usb_dibusb* dib) -{ - struct dib3000_config demod_cfg; - int i; - - if (dib->init_state & DIBUSB_STATE_I2C) { - for (i = 0; i < sizeof(dib->dibdev->dev_cl->demod->i2c_addrs) / sizeof(unsigned char) && - dib->dibdev->dev_cl->demod->i2c_addrs[i] != 0; i++) { - - demod_cfg.demod_address = dib->dibdev->dev_cl->demod->i2c_addrs[i]; - demod_cfg.pll_addr = dibusb_general_pll_addr; - demod_cfg.pll_set = dibusb_general_pll_set; - demod_cfg.pll_init = dibusb_general_pll_init; - - deb_info("demod id: %d %d\n",dib->dibdev->dev_cl->demod->id,DTT200U_FE); - - switch (dib->dibdev->dev_cl->demod->id) { - case DIBUSB_DIB3000MB: - dib->fe = dib3000mb_attach(&demod_cfg,&dib->i2c_adap,&dib->xfer_ops); - break; - case DIBUSB_DIB3000MC: - dib->fe = dib3000mc_attach(&demod_cfg,&dib->i2c_adap,&dib->xfer_ops); - break; - case DIBUSB_MT352: - mt352_hanftek_umt_010_config.demod_address = dib->dibdev->dev_cl->demod->i2c_addrs[i]; - dib->fe = mt352_attach(&mt352_hanftek_umt_010_config, &dib->i2c_adap); - break; - case DTT200U_FE: - dib->fe = dtt200u_fe_attach(dib,&dib->xfer_ops); - break; - } - if (dib->fe != NULL) { - info("found demodulator at i2c address 0x%x",dib->dibdev->dev_cl->demod->i2c_addrs[i]); - break; - } - } - /* if a frontend was found */ - if (dib->fe != NULL) { - if (dib->fe->ops->sleep != NULL) - dib->fe_sleep = dib->fe->ops->sleep; - dib->fe->ops->sleep = dibusb_hw_sleep; - - if (dib->fe->ops->init != NULL ) - dib->fe_init = dib->fe->ops->init; - dib->fe->ops->init = dibusb_hw_wakeup; - - /* setting the default tuner */ - dib->tuner = dib->dibdev->dev_cl->tuner; - - /* check which tuner is mounted on this device, in case this is unsure */ - dibusb_tuner_quirk(dib); - } - } - if (dib->fe == NULL) { - err("A frontend driver was not found for device '%s'.", - dib->dibdev->name); - return -ENODEV; - } else { - if (dvb_register_frontend(&dib->adapter, dib->fe)) { - err("Frontend registration failed."); - if (dib->fe->ops->release) - dib->fe->ops->release(dib->fe); - dib->fe = NULL; - return -ENODEV; - } - } - - return 0; -} - -int dibusb_fe_exit(struct usb_dibusb *dib) -{ - if (dib->fe != NULL) - dvb_unregister_frontend(dib->fe); - return 0; -} - -int dibusb_i2c_init(struct usb_dibusb *dib) -{ - int ret = 0; - - dib->adapter.priv = dib; - - strncpy(dib->i2c_adap.name,dib->dibdev->name,I2C_NAME_SIZE); -#ifdef I2C_ADAP_CLASS_TV_DIGITAL - dib->i2c_adap.class = I2C_ADAP_CLASS_TV_DIGITAL, -#else - dib->i2c_adap.class = I2C_CLASS_TV_DIGITAL, -#endif - dib->i2c_adap.algo = &dibusb_algo; - dib->i2c_adap.algo_data = NULL; - dib->i2c_adap.id = I2C_ALGO_BIT; - - i2c_set_adapdata(&dib->i2c_adap, dib); - - if ((ret = i2c_add_adapter(&dib->i2c_adap)) < 0) - err("could not add i2c adapter"); - - dib->init_state |= DIBUSB_STATE_I2C; - - return ret; -} - -int dibusb_i2c_exit(struct usb_dibusb *dib) -{ - if (dib->init_state & DIBUSB_STATE_I2C) - i2c_del_adapter(&dib->i2c_adap); - dib->init_state &= ~DIBUSB_STATE_I2C; - return 0; -} - - -/* pll stuff, maybe removed soon (thx to Gerd/Andrew in advance) */ -static int thomson_cable_eu_pll_set(struct dvb_frontend_parameters *fep, u8 pllbuf[4]) -{ - u32 tfreq = (fep->frequency + 36125000) / 62500; - int vu,p0,p1,p2; - - if (fep->frequency > 403250000) - vu = 1, p2 = 1, p1 = 0, p0 = 1; - else if (fep->frequency > 115750000) - vu = 0, p2 = 1, p1 = 1, p0 = 0; - else if (fep->frequency > 44250000) - vu = 0, p2 = 0, p1 = 1, p0 = 1; - else - return -EINVAL; - - pllbuf[0] = (tfreq >> 8) & 0x7f; - pllbuf[1] = tfreq & 0xff; - pllbuf[2] = 0x8e; - pllbuf[3] = (vu << 7) | (p2 << 2) | (p1 << 1) | p0; - return 0; -} - -static int panasonic_cofdm_env57h1xd5_pll_set(struct dvb_frontend_parameters *fep, u8 pllbuf[4]) -{ - u32 freq_khz = fep->frequency / 1000; - u32 tfreq = ((freq_khz + 36125)*6 + 500) / 1000; - u8 TA, T210, R210, ctrl1, cp210, p4321; - if (freq_khz > 858000) { - err("frequency cannot be larger than 858 MHz."); - return -EINVAL; - } - - // contol data 1 : 1 | T/A=1 | T2,T1,T0 = 0,0,0 | R2,R1,R0 = 0,1,0 - TA = 1; - T210 = 0; - R210 = 0x2; - ctrl1 = (1 << 7) | (TA << 6) | (T210 << 3) | R210; - -// ******** CHARGE PUMP CONFIG vs RF FREQUENCIES ***************** - if (freq_khz < 470000) - cp210 = 2; // VHF Low and High band ch E12 to E4 to E12 - else if (freq_khz < 526000) - cp210 = 4; // UHF band Ch E21 to E27 - else // if (freq < 862000000) - cp210 = 5; // UHF band ch E28 to E69 - -//********************* BW select ******************************* - if (freq_khz < 153000) - p4321 = 1; // BW selected for VHF low - else if (freq_khz < 470000) - p4321 = 2; // BW selected for VHF high E5 to E12 - else // if (freq < 862000000) - p4321 = 4; // BW selection for UHF E21 to E69 - - pllbuf[0] = (tfreq >> 8) & 0xff; - pllbuf[1] = (tfreq >> 0) & 0xff; - pllbuf[2] = 0xff & ctrl1; - pllbuf[3] = (cp210 << 5) | (p4321); - - return 0; -} - -/* - * 7 6 5 4 3 2 1 0 - * Address Byte 1 1 0 0 0 MA1 MA0 R/~W=0 - * - * Program divider byte 1 0 n14 n13 n12 n11 n10 n9 n8 - * Program divider byte 2 n7 n6 n5 n4 n3 n2 n1 n0 - * - * Control byte 1 1 T/A=1 T2 T1 T0 R2 R1 R0 - * 1 T/A=0 0 0 ATC AL2 AL1 AL0 - * - * Control byte 2 CP2 CP1 CP0 BS5 BS4 BS3 BS2 BS1 - * - * MA0/1 = programmable address bits - * R/~W = read/write bit (0 for writing) - * N14-0 = programmable LO frequency - * - * T/A = test AGC bit (0 = next 6 bits AGC setting, - * 1 = next 6 bits test and reference divider ratio settings) - * T2-0 = test bits - * R2-0 = reference divider ratio and programmable frequency step - * ATC = AGC current setting and time constant - * ATC = 0: AGC current = 220nA, AGC time constant = 2s - * ATC = 1: AGC current = 9uA, AGC time constant = 50ms - * AL2-0 = AGC take-over point bits - * CP2-0 = charge pump current - * BS5-1 = PMOS ports control bits; - * BSn = 0 corresponding port is off, high-impedance state (at power-on) - * BSn = 1 corresponding port is on - */ -static int panasonic_cofdm_env77h11d5_tda6650_init(struct dvb_frontend *fe, u8 pllbuf[4]) -{ - pllbuf[0] = 0x0b; - pllbuf[1] = 0xf5; - pllbuf[2] = 0x85; - pllbuf[3] = 0xab; - return 0; -} - -static int panasonic_cofdm_env77h11d5_tda6650_set (struct dvb_frontend_parameters *fep,u8 pllbuf[4]) -{ - int tuner_frequency = 0; - u8 band, cp, filter; - - // determine charge pump - tuner_frequency = fep->frequency + 36166000; - if (tuner_frequency < 87000000) - return -EINVAL; - else if (tuner_frequency < 130000000) - cp = 3; - else if (tuner_frequency < 160000000) - cp = 5; - else if (tuner_frequency < 200000000) - cp = 6; - else if (tuner_frequency < 290000000) - cp = 3; - else if (tuner_frequency < 420000000) - cp = 5; - else if (tuner_frequency < 480000000) - cp = 6; - else if (tuner_frequency < 620000000) - cp = 3; - else if (tuner_frequency < 830000000) - cp = 5; - else if (tuner_frequency < 895000000) - cp = 7; - else - return -EINVAL; - - // determine band - if (fep->frequency < 49000000) - return -EINVAL; - else if (fep->frequency < 161000000) - band = 1; - else if (fep->frequency < 444000000) - band = 2; - else if (fep->frequency < 861000000) - band = 4; - else - return -EINVAL; - - // setup PLL filter - switch (fep->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: - case BANDWIDTH_7_MHZ: - filter = 0; - break; - case BANDWIDTH_8_MHZ: - filter = 1; - break; - default: - return -EINVAL; - } - - // calculate divisor - // ((36166000+((1000000/6)/2)) + Finput)/(1000000/6) - tuner_frequency = (((fep->frequency / 1000) * 6) + 217496) / 1000; - - // setup tuner buffer - pllbuf[0] = (tuner_frequency >> 8) & 0x7f; - pllbuf[1] = tuner_frequency & 0xff; - pllbuf[2] = 0xca; - pllbuf[3] = (cp << 5) | (filter << 3) | band; - return 0; -} - -/* - * 7 6 5 4 3 2 1 0 - * Address Byte 1 1 0 0 0 MA1 MA0 R/~W=0 - * - * Program divider byte 1 0 n14 n13 n12 n11 n10 n9 n8 - * Program divider byte 2 n7 n6 n5 n4 n3 n2 n1 n0 - * - * Control byte 1 CP T2 T1 T0 RSA RSB OS - * - * Band Switch byte X X X P4 P3 P2 P1 P0 - * - * Auxiliary byte ATC AL2 AL1 AL0 0 0 0 0 - * - * Address: MA1 MA0 Address - * 0 0 c0 - * 0 1 c2 (always valid) - * 1 0 c4 - * 1 1 c6 - */ -static int lg_tdtp_e102p_tua6034(struct dvb_frontend_parameters* fep, u8 pllbuf[4]) -{ - u32 div; - u8 p210, p3; - -#define TUNER_MUL 62500 - - div = (fep->frequency + 36125000 + TUNER_MUL / 2) / TUNER_MUL; -// div = ((fep->frequency/1000 + 36166) * 6) / 1000; - - if (fep->frequency < 174500000) - p210 = 1; // not supported by the tdtp_e102p - else if (fep->frequency < 230000000) // VHF - p210 = 2; - else - p210 = 4; - - if (fep->u.ofdm.bandwidth == BANDWIDTH_7_MHZ) - p3 = 0; - else - p3 = 1; - - pllbuf[0] = (div >> 8) & 0x7f; - pllbuf[1] = div & 0xff; - pllbuf[2] = 0xce; -// pllbuf[2] = 0xcc; - pllbuf[3] = (p3 << 3) | p210; - - return 0; -} - -static int lg_tdtp_e102p_mt352_demod_init(struct dvb_frontend *fe) -{ - static u8 mt352_clock_config[] = { 0x89, 0xb8, 0x2d }; - static u8 mt352_reset[] = { 0x50, 0x80 }; - static u8 mt352_mclk_ratio[] = { 0x8b, 0x00 }; - static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 }; - static u8 mt352_agc_cfg[] = { 0x67, 0x10, 0xa0 }; - - static u8 mt352_sec_agc_cfg1[] = { 0x6a, 0xff }; - static u8 mt352_sec_agc_cfg2[] = { 0x6d, 0xff }; - static u8 mt352_sec_agc_cfg3[] = { 0x70, 0x40 }; - static u8 mt352_sec_agc_cfg4[] = { 0x7b, 0x03 }; - static u8 mt352_sec_agc_cfg5[] = { 0x7d, 0x0f }; - - static u8 mt352_acq_ctl[] = { 0x53, 0x50 }; - static u8 mt352_input_freq_1[] = { 0x56, 0x31, 0x06 }; - - mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config)); - udelay(2000); - mt352_write(fe, mt352_reset, sizeof(mt352_reset)); - mt352_write(fe, mt352_mclk_ratio, sizeof(mt352_mclk_ratio)); - - mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg)); - mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg)); - - mt352_write(fe, mt352_sec_agc_cfg1, sizeof(mt352_sec_agc_cfg1)); - mt352_write(fe, mt352_sec_agc_cfg2, sizeof(mt352_sec_agc_cfg2)); - mt352_write(fe, mt352_sec_agc_cfg3, sizeof(mt352_sec_agc_cfg3)); - mt352_write(fe, mt352_sec_agc_cfg4, sizeof(mt352_sec_agc_cfg4)); - mt352_write(fe, mt352_sec_agc_cfg5, sizeof(mt352_sec_agc_cfg5)); - - mt352_write(fe, mt352_acq_ctl, sizeof(mt352_acq_ctl)); - mt352_write(fe, mt352_input_freq_1, sizeof(mt352_input_freq_1)); - - return 0; -} - -static int dibusb_general_demod_init(struct dvb_frontend *fe) -{ - struct usb_dibusb* dib = (struct usb_dibusb*) fe->dvb->priv; - switch (dib->dibdev->dev_cl->id) { - case UMT2_0: - return lg_tdtp_e102p_mt352_demod_init(fe); - default: /* other device classes do not have device specific demod inits */ - break; - } - return 0; -} - -static u8 dibusb_general_pll_addr(struct dvb_frontend *fe) -{ - struct usb_dibusb* dib = (struct usb_dibusb*) fe->dvb->priv; - return dib->tuner->pll_addr; -} - -static int dibusb_pll_i2c_helper(struct usb_dibusb *dib, u8 pll_buf[5], u8 buf[4]) -{ - if (pll_buf == NULL) { - struct i2c_msg msg = { - .addr = dib->tuner->pll_addr, - .flags = 0, - .buf = buf, - .len = sizeof(buf) - }; - if (i2c_transfer (&dib->i2c_adap, &msg, 1) != 1) - return -EIO; - msleep(1); - } else { - pll_buf[0] = dib->tuner->pll_addr << 1; - memcpy(&pll_buf[1],buf,4); - } - - return 0; -} - -static int dibusb_general_pll_init(struct dvb_frontend *fe, - u8 pll_buf[5]) -{ - struct usb_dibusb* dib = (struct usb_dibusb*) fe->dvb->priv; - u8 buf[4]; - int ret=0; - switch (dib->tuner->id) { - case DIBUSB_TUNER_COFDM_PANASONIC_ENV77H11D5: - ret = panasonic_cofdm_env77h11d5_tda6650_init(fe,buf); - break; - default: - break; - } - - if (ret) - return ret; - - return dibusb_pll_i2c_helper(dib,pll_buf,buf); -} - -static int dibusb_general_pll_set(struct dvb_frontend *fe, - struct dvb_frontend_parameters *fep, u8 pll_buf[5]) -{ - struct usb_dibusb* dib = (struct usb_dibusb*) fe->dvb->priv; - u8 buf[4]; - int ret=0; - - switch (dib->tuner->id) { - case DIBUSB_TUNER_CABLE_THOMSON: - ret = thomson_cable_eu_pll_set(fep, buf); - break; - case DIBUSB_TUNER_COFDM_PANASONIC_ENV57H1XD5: - ret = panasonic_cofdm_env57h1xd5_pll_set(fep, buf); - break; - case DIBUSB_TUNER_CABLE_LG_TDTP_E102P: - ret = lg_tdtp_e102p_tua6034(fep, buf); - break; - case DIBUSB_TUNER_COFDM_PANASONIC_ENV77H11D5: - ret = panasonic_cofdm_env77h11d5_tda6650_set(fep,buf); - break; - default: - warn("no pll programming routine found for tuner %d.\n",dib->tuner->id); - ret = -ENODEV; - break; - } - - if (ret) - return ret; - - return dibusb_pll_i2c_helper(dib,pll_buf,buf); -} |