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path: root/drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c
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Diffstat (limited to 'drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c')
-rw-r--r--drivers/media/dvb/dibusb/dvb-dibusb-fe-i2c.c582
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);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 10:02:09 +0100