/kernel/2.6.32_froyo_photon_nightly/drivers/media/dvb/frontends/stv0900_core.c
C | 2005 lines | 1643 code | 315 blank | 47 comment | 324 complexity | 9b0e5179c4a99556ae21d2e02c4a65ec MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
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- /*
- * stv0900_core.c
- *
- * Driver for ST STV0900 satellite demodulator IC.
- *
- * Copyright (C) ST Microelectronics.
- * Copyright (C) 2009 NetUP Inc.
- * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/string.h>
- #include <linux/slab.h>
- #include <linux/i2c.h>
- #include "stv0900.h"
- #include "stv0900_reg.h"
- #include "stv0900_priv.h"
- #include "stv0900_init.h"
- static int stvdebug = 1;
- module_param_named(debug, stvdebug, int, 0644);
- /* internal params node */
- struct stv0900_inode {
- /* pointer for internal params, one for each pair of demods */
- struct stv0900_internal *internal;
- struct stv0900_inode *next_inode;
- };
- /* first internal params */
- static struct stv0900_inode *stv0900_first_inode;
- /* find chip by i2c adapter and i2c address */
- static struct stv0900_inode *find_inode(struct i2c_adapter *i2c_adap,
- u8 i2c_addr)
- {
- struct stv0900_inode *temp_chip = stv0900_first_inode;
- if (temp_chip != NULL) {
- /*
- Search of the last stv0900 chip or
- find it by i2c adapter and i2c address */
- while ((temp_chip != NULL) &&
- ((temp_chip->internal->i2c_adap != i2c_adap) ||
- (temp_chip->internal->i2c_addr != i2c_addr)))
- temp_chip = temp_chip->next_inode;
- }
- return temp_chip;
- }
- /* deallocating chip */
- static void remove_inode(struct stv0900_internal *internal)
- {
- struct stv0900_inode *prev_node = stv0900_first_inode;
- struct stv0900_inode *del_node = find_inode(internal->i2c_adap,
- internal->i2c_addr);
- if (del_node != NULL) {
- if (del_node == stv0900_first_inode) {
- stv0900_first_inode = del_node->next_inode;
- } else {
- while (prev_node->next_inode != del_node)
- prev_node = prev_node->next_inode;
- if (del_node->next_inode == NULL)
- prev_node->next_inode = NULL;
- else
- prev_node->next_inode =
- prev_node->next_inode->next_inode;
- }
- kfree(del_node);
- }
- }
- /* allocating new chip */
- static struct stv0900_inode *append_internal(struct stv0900_internal *internal)
- {
- struct stv0900_inode *new_node = stv0900_first_inode;
- if (new_node == NULL) {
- new_node = kmalloc(sizeof(struct stv0900_inode), GFP_KERNEL);
- stv0900_first_inode = new_node;
- } else {
- while (new_node->next_inode != NULL)
- new_node = new_node->next_inode;
- new_node->next_inode = kmalloc(sizeof(struct stv0900_inode), GFP_KERNEL);
- if (new_node->next_inode != NULL)
- new_node = new_node->next_inode;
- else
- new_node = NULL;
- }
- if (new_node != NULL) {
- new_node->internal = internal;
- new_node->next_inode = NULL;
- }
- return new_node;
- }
- s32 ge2comp(s32 a, s32 width)
- {
- if (width == 32)
- return a;
- else
- return (a >= (1 << (width - 1))) ? (a - (1 << width)) : a;
- }
- void stv0900_write_reg(struct stv0900_internal *i_params, u16 reg_addr,
- u8 reg_data)
- {
- u8 data[3];
- int ret;
- struct i2c_msg i2cmsg = {
- .addr = i_params->i2c_addr,
- .flags = 0,
- .len = 3,
- .buf = data,
- };
- data[0] = MSB(reg_addr);
- data[1] = LSB(reg_addr);
- data[2] = reg_data;
- ret = i2c_transfer(i_params->i2c_adap, &i2cmsg, 1);
- if (ret != 1)
- dprintk(KERN_ERR "%s: i2c error %d\n", __func__, ret);
- }
- u8 stv0900_read_reg(struct stv0900_internal *i_params, u16 reg)
- {
- int ret;
- u8 b0[] = { MSB(reg), LSB(reg) };
- u8 buf = 0;
- struct i2c_msg msg[] = {
- {
- .addr = i_params->i2c_addr,
- .flags = 0,
- .buf = b0,
- .len = 2,
- }, {
- .addr = i_params->i2c_addr,
- .flags = I2C_M_RD,
- .buf = &buf,
- .len = 1,
- },
- };
- ret = i2c_transfer(i_params->i2c_adap, msg, 2);
- if (ret != 2)
- dprintk(KERN_ERR "%s: i2c error %d, reg[0x%02x]\n",
- __func__, ret, reg);
- return buf;
- }
- void extract_mask_pos(u32 label, u8 *mask, u8 *pos)
- {
- u8 position = 0, i = 0;
- (*mask) = label & 0xff;
- while ((position == 0) && (i < 8)) {
- position = ((*mask) >> i) & 0x01;
- i++;
- }
- (*pos) = (i - 1);
- }
- void stv0900_write_bits(struct stv0900_internal *i_params, u32 label, u8 val)
- {
- u8 reg, mask, pos;
- reg = stv0900_read_reg(i_params, (label >> 16) & 0xffff);
- extract_mask_pos(label, &mask, &pos);
- val = mask & (val << pos);
- reg = (reg & (~mask)) | val;
- stv0900_write_reg(i_params, (label >> 16) & 0xffff, reg);
- }
- u8 stv0900_get_bits(struct stv0900_internal *i_params, u32 label)
- {
- u8 val = 0xff;
- u8 mask, pos;
- extract_mask_pos(label, &mask, &pos);
- val = stv0900_read_reg(i_params, label >> 16);
- val = (val & mask) >> pos;
- return val;
- }
- enum fe_stv0900_error stv0900_initialize(struct stv0900_internal *i_params)
- {
- s32 i;
- enum fe_stv0900_error error;
- if (i_params != NULL) {
- i_params->chip_id = stv0900_read_reg(i_params, R0900_MID);
- if (i_params->errs == STV0900_NO_ERROR) {
- /*Startup sequence*/
- stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x5c);
- stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x5c);
- stv0900_write_reg(i_params, R0900_P1_TNRCFG, 0x6c);
- stv0900_write_reg(i_params, R0900_P2_TNRCFG, 0x6f);
- stv0900_write_reg(i_params, R0900_P1_I2CRPT, 0x20);
- stv0900_write_reg(i_params, R0900_P2_I2CRPT, 0x20);
- stv0900_write_reg(i_params, R0900_NCOARSE, 0x13);
- msleep(3);
- stv0900_write_reg(i_params, R0900_I2CCFG, 0x08);
- switch (i_params->clkmode) {
- case 0:
- case 2:
- stv0900_write_reg(i_params, R0900_SYNTCTRL, 0x20
- | i_params->clkmode);
- break;
- default:
- /* preserve SELOSCI bit */
- i = 0x02 & stv0900_read_reg(i_params, R0900_SYNTCTRL);
- stv0900_write_reg(i_params, R0900_SYNTCTRL, 0x20 | i);
- break;
- }
- msleep(3);
- for (i = 0; i < 182; i++)
- stv0900_write_reg(i_params, STV0900_InitVal[i][0], STV0900_InitVal[i][1]);
- if (stv0900_read_reg(i_params, R0900_MID) >= 0x20) {
- stv0900_write_reg(i_params, R0900_TSGENERAL, 0x0c);
- for (i = 0; i < 32; i++)
- stv0900_write_reg(i_params, STV0900_Cut20_AddOnVal[i][0], STV0900_Cut20_AddOnVal[i][1]);
- }
- stv0900_write_reg(i_params, R0900_P1_FSPYCFG, 0x6c);
- stv0900_write_reg(i_params, R0900_P2_FSPYCFG, 0x6c);
- stv0900_write_reg(i_params, R0900_TSTRES0, 0x80);
- stv0900_write_reg(i_params, R0900_TSTRES0, 0x00);
- }
- error = i_params->errs;
- } else
- error = STV0900_INVALID_HANDLE;
- return error;
- }
- u32 stv0900_get_mclk_freq(struct stv0900_internal *i_params, u32 ext_clk)
- {
- u32 mclk = 90000000, div = 0, ad_div = 0;
- div = stv0900_get_bits(i_params, F0900_M_DIV);
- ad_div = ((stv0900_get_bits(i_params, F0900_SELX1RATIO) == 1) ? 4 : 6);
- mclk = (div + 1) * ext_clk / ad_div;
- dprintk(KERN_INFO "%s: Calculated Mclk = %d\n", __func__, mclk);
- return mclk;
- }
- enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *i_params, u32 mclk)
- {
- enum fe_stv0900_error error = STV0900_NO_ERROR;
- u32 m_div, clk_sel;
- dprintk(KERN_INFO "%s: Mclk set to %d, Quartz = %d\n", __func__, mclk,
- i_params->quartz);
- if (i_params == NULL)
- error = STV0900_INVALID_HANDLE;
- else {
- if (i_params->errs)
- error = STV0900_I2C_ERROR;
- else {
- clk_sel = ((stv0900_get_bits(i_params, F0900_SELX1RATIO) == 1) ? 4 : 6);
- m_div = ((clk_sel * mclk) / i_params->quartz) - 1;
- stv0900_write_bits(i_params, F0900_M_DIV, m_div);
- i_params->mclk = stv0900_get_mclk_freq(i_params,
- i_params->quartz);
- /*Set the DiseqC frequency to 22KHz */
- /*
- Formula:
- DiseqC_TX_Freq= MasterClock/(32*F22TX_Reg)
- DiseqC_RX_Freq= MasterClock/(32*F22RX_Reg)
- */
- m_div = i_params->mclk / 704000;
- stv0900_write_reg(i_params, R0900_P1_F22TX, m_div);
- stv0900_write_reg(i_params, R0900_P1_F22RX, m_div);
- stv0900_write_reg(i_params, R0900_P2_F22TX, m_div);
- stv0900_write_reg(i_params, R0900_P2_F22RX, m_div);
- if ((i_params->errs))
- error = STV0900_I2C_ERROR;
- }
- }
- return error;
- }
- u32 stv0900_get_err_count(struct stv0900_internal *i_params, int cntr,
- enum fe_stv0900_demod_num demod)
- {
- u32 lsb, msb, hsb, err_val;
- s32 err1field_hsb, err1field_msb, err1field_lsb;
- s32 err2field_hsb, err2field_msb, err2field_lsb;
- dmd_reg(err1field_hsb, F0900_P1_ERR_CNT12, F0900_P2_ERR_CNT12);
- dmd_reg(err1field_msb, F0900_P1_ERR_CNT11, F0900_P2_ERR_CNT11);
- dmd_reg(err1field_lsb, F0900_P1_ERR_CNT10, F0900_P2_ERR_CNT10);
- dmd_reg(err2field_hsb, F0900_P1_ERR_CNT22, F0900_P2_ERR_CNT22);
- dmd_reg(err2field_msb, F0900_P1_ERR_CNT21, F0900_P2_ERR_CNT21);
- dmd_reg(err2field_lsb, F0900_P1_ERR_CNT20, F0900_P2_ERR_CNT20);
- switch (cntr) {
- case 0:
- default:
- hsb = stv0900_get_bits(i_params, err1field_hsb);
- msb = stv0900_get_bits(i_params, err1field_msb);
- lsb = stv0900_get_bits(i_params, err1field_lsb);
- break;
- case 1:
- hsb = stv0900_get_bits(i_params, err2field_hsb);
- msb = stv0900_get_bits(i_params, err2field_msb);
- lsb = stv0900_get_bits(i_params, err2field_lsb);
- break;
- }
- err_val = (hsb << 16) + (msb << 8) + (lsb);
- return err_val;
- }
- static int stv0900_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *i_params = state->internal;
- enum fe_stv0900_demod_num demod = state->demod;
- u32 fi2c;
- dmd_reg(fi2c, F0900_P1_I2CT_ON, F0900_P2_I2CT_ON);
- stv0900_write_bits(i_params, fi2c, enable);
- return 0;
- }
- static void stv0900_set_ts_parallel_serial(struct stv0900_internal *i_params,
- enum fe_stv0900_clock_type path1_ts,
- enum fe_stv0900_clock_type path2_ts)
- {
- dprintk(KERN_INFO "%s\n", __func__);
- if (i_params->chip_id >= 0x20) {
- switch (path1_ts) {
- case STV0900_PARALLEL_PUNCT_CLOCK:
- case STV0900_DVBCI_CLOCK:
- switch (path2_ts) {
- case STV0900_SERIAL_PUNCT_CLOCK:
- case STV0900_SERIAL_CONT_CLOCK:
- default:
- stv0900_write_reg(i_params, R0900_TSGENERAL,
- 0x00);
- break;
- case STV0900_PARALLEL_PUNCT_CLOCK:
- case STV0900_DVBCI_CLOCK:
- stv0900_write_reg(i_params, R0900_TSGENERAL,
- 0x06);
- stv0900_write_bits(i_params,
- F0900_P1_TSFIFO_MANSPEED, 3);
- stv0900_write_bits(i_params,
- F0900_P2_TSFIFO_MANSPEED, 0);
- stv0900_write_reg(i_params,
- R0900_P1_TSSPEED, 0x14);
- stv0900_write_reg(i_params,
- R0900_P2_TSSPEED, 0x28);
- break;
- }
- break;
- case STV0900_SERIAL_PUNCT_CLOCK:
- case STV0900_SERIAL_CONT_CLOCK:
- default:
- switch (path2_ts) {
- case STV0900_SERIAL_PUNCT_CLOCK:
- case STV0900_SERIAL_CONT_CLOCK:
- default:
- stv0900_write_reg(i_params,
- R0900_TSGENERAL, 0x0C);
- break;
- case STV0900_PARALLEL_PUNCT_CLOCK:
- case STV0900_DVBCI_CLOCK:
- stv0900_write_reg(i_params,
- R0900_TSGENERAL, 0x0A);
- dprintk(KERN_INFO "%s: 0x0a\n", __func__);
- break;
- }
- break;
- }
- } else {
- switch (path1_ts) {
- case STV0900_PARALLEL_PUNCT_CLOCK:
- case STV0900_DVBCI_CLOCK:
- switch (path2_ts) {
- case STV0900_SERIAL_PUNCT_CLOCK:
- case STV0900_SERIAL_CONT_CLOCK:
- default:
- stv0900_write_reg(i_params, R0900_TSGENERAL1X,
- 0x10);
- break;
- case STV0900_PARALLEL_PUNCT_CLOCK:
- case STV0900_DVBCI_CLOCK:
- stv0900_write_reg(i_params, R0900_TSGENERAL1X,
- 0x16);
- stv0900_write_bits(i_params,
- F0900_P1_TSFIFO_MANSPEED, 3);
- stv0900_write_bits(i_params,
- F0900_P2_TSFIFO_MANSPEED, 0);
- stv0900_write_reg(i_params, R0900_P1_TSSPEED,
- 0x14);
- stv0900_write_reg(i_params, R0900_P2_TSSPEED,
- 0x28);
- break;
- }
- break;
- case STV0900_SERIAL_PUNCT_CLOCK:
- case STV0900_SERIAL_CONT_CLOCK:
- default:
- switch (path2_ts) {
- case STV0900_SERIAL_PUNCT_CLOCK:
- case STV0900_SERIAL_CONT_CLOCK:
- default:
- stv0900_write_reg(i_params, R0900_TSGENERAL1X,
- 0x14);
- break;
- case STV0900_PARALLEL_PUNCT_CLOCK:
- case STV0900_DVBCI_CLOCK:
- stv0900_write_reg(i_params, R0900_TSGENERAL1X,
- 0x12);
- dprintk(KERN_INFO "%s: 0x12\n", __func__);
- break;
- }
- break;
- }
- }
- switch (path1_ts) {
- case STV0900_PARALLEL_PUNCT_CLOCK:
- stv0900_write_bits(i_params, F0900_P1_TSFIFO_SERIAL, 0x00);
- stv0900_write_bits(i_params, F0900_P1_TSFIFO_DVBCI, 0x00);
- break;
- case STV0900_DVBCI_CLOCK:
- stv0900_write_bits(i_params, F0900_P1_TSFIFO_SERIAL, 0x00);
- stv0900_write_bits(i_params, F0900_P1_TSFIFO_DVBCI, 0x01);
- break;
- case STV0900_SERIAL_PUNCT_CLOCK:
- stv0900_write_bits(i_params, F0900_P1_TSFIFO_SERIAL, 0x01);
- stv0900_write_bits(i_params, F0900_P1_TSFIFO_DVBCI, 0x00);
- break;
- case STV0900_SERIAL_CONT_CLOCK:
- stv0900_write_bits(i_params, F0900_P1_TSFIFO_SERIAL, 0x01);
- stv0900_write_bits(i_params, F0900_P1_TSFIFO_DVBCI, 0x01);
- break;
- default:
- break;
- }
- switch (path2_ts) {
- case STV0900_PARALLEL_PUNCT_CLOCK:
- stv0900_write_bits(i_params, F0900_P2_TSFIFO_SERIAL, 0x00);
- stv0900_write_bits(i_params, F0900_P2_TSFIFO_DVBCI, 0x00);
- break;
- case STV0900_DVBCI_CLOCK:
- stv0900_write_bits(i_params, F0900_P2_TSFIFO_SERIAL, 0x00);
- stv0900_write_bits(i_params, F0900_P2_TSFIFO_DVBCI, 0x01);
- break;
- case STV0900_SERIAL_PUNCT_CLOCK:
- stv0900_write_bits(i_params, F0900_P2_TSFIFO_SERIAL, 0x01);
- stv0900_write_bits(i_params, F0900_P2_TSFIFO_DVBCI, 0x00);
- break;
- case STV0900_SERIAL_CONT_CLOCK:
- stv0900_write_bits(i_params, F0900_P2_TSFIFO_SERIAL, 0x01);
- stv0900_write_bits(i_params, F0900_P2_TSFIFO_DVBCI, 0x01);
- break;
- default:
- break;
- }
- stv0900_write_bits(i_params, F0900_P2_RST_HWARE, 1);
- stv0900_write_bits(i_params, F0900_P2_RST_HWARE, 0);
- stv0900_write_bits(i_params, F0900_P1_RST_HWARE, 1);
- stv0900_write_bits(i_params, F0900_P1_RST_HWARE, 0);
- }
- void stv0900_set_tuner(struct dvb_frontend *fe, u32 frequency,
- u32 bandwidth)
- {
- struct dvb_frontend_ops *frontend_ops = NULL;
- struct dvb_tuner_ops *tuner_ops = NULL;
- if (&fe->ops)
- frontend_ops = &fe->ops;
- if (&frontend_ops->tuner_ops)
- tuner_ops = &frontend_ops->tuner_ops;
- if (tuner_ops->set_frequency) {
- if ((tuner_ops->set_frequency(fe, frequency)) < 0)
- dprintk("%s: Invalid parameter\n", __func__);
- else
- dprintk("%s: Frequency=%d\n", __func__, frequency);
- }
- if (tuner_ops->set_bandwidth) {
- if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0)
- dprintk("%s: Invalid parameter\n", __func__);
- else
- dprintk("%s: Bandwidth=%d\n", __func__, bandwidth);
- }
- }
- void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
- {
- struct dvb_frontend_ops *frontend_ops = NULL;
- struct dvb_tuner_ops *tuner_ops = NULL;
- if (&fe->ops)
- frontend_ops = &fe->ops;
- if (&frontend_ops->tuner_ops)
- tuner_ops = &frontend_ops->tuner_ops;
- if (tuner_ops->set_bandwidth) {
- if ((tuner_ops->set_bandwidth(fe, bandwidth)) < 0)
- dprintk("%s: Invalid parameter\n", __func__);
- else
- dprintk("%s: Bandwidth=%d\n", __func__, bandwidth);
- }
- }
- static s32 stv0900_get_rf_level(struct stv0900_internal *i_params,
- const struct stv0900_table *lookup,
- enum fe_stv0900_demod_num demod)
- {
- s32 agc_gain = 0,
- imin,
- imax,
- i,
- rf_lvl = 0;
- dprintk(KERN_INFO "%s\n", __func__);
- if ((lookup != NULL) && lookup->size) {
- switch (demod) {
- case STV0900_DEMOD_1:
- default:
- agc_gain = MAKEWORD(stv0900_get_bits(i_params, F0900_P1_AGCIQ_VALUE1),
- stv0900_get_bits(i_params, F0900_P1_AGCIQ_VALUE0));
- break;
- case STV0900_DEMOD_2:
- agc_gain = MAKEWORD(stv0900_get_bits(i_params, F0900_P2_AGCIQ_VALUE1),
- stv0900_get_bits(i_params, F0900_P2_AGCIQ_VALUE0));
- break;
- }
- imin = 0;
- imax = lookup->size - 1;
- if (INRANGE(lookup->table[imin].regval, agc_gain, lookup->table[imax].regval)) {
- while ((imax - imin) > 1) {
- i = (imax + imin) >> 1;
- if (INRANGE(lookup->table[imin].regval, agc_gain, lookup->table[i].regval))
- imax = i;
- else
- imin = i;
- }
- rf_lvl = (((s32)agc_gain - lookup->table[imin].regval)
- * (lookup->table[imax].realval - lookup->table[imin].realval)
- / (lookup->table[imax].regval - lookup->table[imin].regval))
- + lookup->table[imin].realval;
- } else if (agc_gain > lookup->table[0].regval)
- rf_lvl = 5;
- else if (agc_gain < lookup->table[lookup->size-1].regval)
- rf_lvl = -100;
- }
- dprintk(KERN_INFO "%s: RFLevel = %d\n", __func__, rf_lvl);
- return rf_lvl;
- }
- static int stv0900_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *internal = state->internal;
- s32 rflevel = stv0900_get_rf_level(internal, &stv0900_rf,
- state->demod);
- *strength = (rflevel + 100) * (16383 / 105);
- return 0;
- }
- static s32 stv0900_carr_get_quality(struct dvb_frontend *fe,
- const struct stv0900_table *lookup)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *i_params = state->internal;
- enum fe_stv0900_demod_num demod = state->demod;
- s32 c_n = -100,
- regval, imin, imax,
- i,
- lock_flag_field,
- noise_field1,
- noise_field0;
- dprintk(KERN_INFO "%s\n", __func__);
- dmd_reg(lock_flag_field, F0900_P1_LOCK_DEFINITIF,
- F0900_P2_LOCK_DEFINITIF);
- if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) {
- dmd_reg(noise_field1, F0900_P1_NOSPLHT_NORMED1,
- F0900_P2_NOSPLHT_NORMED1);
- dmd_reg(noise_field0, F0900_P1_NOSPLHT_NORMED0,
- F0900_P2_NOSPLHT_NORMED0);
- } else {
- dmd_reg(noise_field1, F0900_P1_NOSDATAT_NORMED1,
- F0900_P2_NOSDATAT_NORMED1);
- dmd_reg(noise_field0, F0900_P1_NOSDATAT_NORMED0,
- F0900_P2_NOSDATAT_NORMED0);
- }
- if (stv0900_get_bits(i_params, lock_flag_field)) {
- if ((lookup != NULL) && lookup->size) {
- regval = 0;
- msleep(5);
- for (i = 0; i < 16; i++) {
- regval += MAKEWORD(stv0900_get_bits(i_params,
- noise_field1),
- stv0900_get_bits(i_params,
- noise_field0));
- msleep(1);
- }
- regval /= 16;
- imin = 0;
- imax = lookup->size - 1;
- if (INRANGE(lookup->table[imin].regval,
- regval,
- lookup->table[imax].regval)) {
- while ((imax - imin) > 1) {
- i = (imax + imin) >> 1;
- if (INRANGE(lookup->table[imin].regval,
- regval,
- lookup->table[i].regval))
- imax = i;
- else
- imin = i;
- }
- c_n = ((regval - lookup->table[imin].regval)
- * (lookup->table[imax].realval
- - lookup->table[imin].realval)
- / (lookup->table[imax].regval
- - lookup->table[imin].regval))
- + lookup->table[imin].realval;
- } else if (regval < lookup->table[imin].regval)
- c_n = 1000;
- }
- }
- return c_n;
- }
- static int stv0900_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *i_params = state->internal;
- enum fe_stv0900_demod_num demod = state->demod;
- u8 err_val1, err_val0;
- s32 err_field1, err_field0;
- u32 header_err_val = 0;
- *ucblocks = 0x0;
- if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) {
- /* DVB-S2 delineator errors count */
- /* retreiving number for errnous headers */
- dmd_reg(err_field0, R0900_P1_BBFCRCKO0,
- R0900_P2_BBFCRCKO0);
- dmd_reg(err_field1, R0900_P1_BBFCRCKO1,
- R0900_P2_BBFCRCKO1);
- err_val1 = stv0900_read_reg(i_params, err_field1);
- err_val0 = stv0900_read_reg(i_params, err_field0);
- header_err_val = (err_val1<<8) | err_val0;
- /* retreiving number for errnous packets */
- dmd_reg(err_field0, R0900_P1_UPCRCKO0,
- R0900_P2_UPCRCKO0);
- dmd_reg(err_field1, R0900_P1_UPCRCKO1,
- R0900_P2_UPCRCKO1);
- err_val1 = stv0900_read_reg(i_params, err_field1);
- err_val0 = stv0900_read_reg(i_params, err_field0);
- *ucblocks = (err_val1<<8) | err_val0;
- *ucblocks += header_err_val;
- }
- return 0;
- }
- static int stv0900_read_snr(struct dvb_frontend *fe, u16 *snr)
- {
- *snr = stv0900_carr_get_quality(fe,
- (const struct stv0900_table *)&stv0900_s2_cn);
- *snr += 30;
- *snr *= (16383 / 1030);
- return 0;
- }
- static u32 stv0900_get_ber(struct stv0900_internal *i_params,
- enum fe_stv0900_demod_num demod)
- {
- u32 ber = 10000000, i;
- s32 dmd_state_reg;
- s32 demod_state;
- s32 vstatus_reg;
- s32 prvit_field;
- s32 pdel_status_reg;
- s32 pdel_lock_field;
- dmd_reg(dmd_state_reg, F0900_P1_HEADER_MODE, F0900_P2_HEADER_MODE);
- dmd_reg(vstatus_reg, R0900_P1_VSTATUSVIT, R0900_P2_VSTATUSVIT);
- dmd_reg(prvit_field, F0900_P1_PRFVIT, F0900_P2_PRFVIT);
- dmd_reg(pdel_status_reg, R0900_P1_PDELSTATUS1, R0900_P2_PDELSTATUS1);
- dmd_reg(pdel_lock_field, F0900_P1_PKTDELIN_LOCK,
- F0900_P2_PKTDELIN_LOCK);
- demod_state = stv0900_get_bits(i_params, dmd_state_reg);
- switch (demod_state) {
- case STV0900_SEARCH:
- case STV0900_PLH_DETECTED:
- default:
- ber = 10000000;
- break;
- case STV0900_DVBS_FOUND:
- ber = 0;
- for (i = 0; i < 5; i++) {
- msleep(5);
- ber += stv0900_get_err_count(i_params, 0, demod);
- }
- ber /= 5;
- if (stv0900_get_bits(i_params, prvit_field)) {
- ber *= 9766;
- ber = ber >> 13;
- }
- break;
- case STV0900_DVBS2_FOUND:
- ber = 0;
- for (i = 0; i < 5; i++) {
- msleep(5);
- ber += stv0900_get_err_count(i_params, 0, demod);
- }
- ber /= 5;
- if (stv0900_get_bits(i_params, pdel_lock_field)) {
- ber *= 9766;
- ber = ber >> 13;
- }
- break;
- }
- return ber;
- }
- static int stv0900_read_ber(struct dvb_frontend *fe, u32 *ber)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *internal = state->internal;
- *ber = stv0900_get_ber(internal, state->demod);
- return 0;
- }
- int stv0900_get_demod_lock(struct stv0900_internal *i_params,
- enum fe_stv0900_demod_num demod, s32 time_out)
- {
- s32 timer = 0,
- lock = 0,
- header_field,
- lock_field;
- enum fe_stv0900_search_state dmd_state;
- dmd_reg(header_field, F0900_P1_HEADER_MODE, F0900_P2_HEADER_MODE);
- dmd_reg(lock_field, F0900_P1_LOCK_DEFINITIF, F0900_P2_LOCK_DEFINITIF);
- while ((timer < time_out) && (lock == 0)) {
- dmd_state = stv0900_get_bits(i_params, header_field);
- dprintk("Demod State = %d\n", dmd_state);
- switch (dmd_state) {
- case STV0900_SEARCH:
- case STV0900_PLH_DETECTED:
- default:
- lock = 0;
- break;
- case STV0900_DVBS2_FOUND:
- case STV0900_DVBS_FOUND:
- lock = stv0900_get_bits(i_params, lock_field);
- break;
- }
- if (lock == 0)
- msleep(10);
- timer += 10;
- }
- if (lock)
- dprintk("DEMOD LOCK OK\n");
- else
- dprintk("DEMOD LOCK FAIL\n");
- return lock;
- }
- void stv0900_stop_all_s2_modcod(struct stv0900_internal *i_params,
- enum fe_stv0900_demod_num demod)
- {
- s32 regflist,
- i;
- dprintk(KERN_INFO "%s\n", __func__);
- dmd_reg(regflist, R0900_P1_MODCODLST0, R0900_P2_MODCODLST0);
- for (i = 0; i < 16; i++)
- stv0900_write_reg(i_params, regflist + i, 0xff);
- }
- void stv0900_activate_s2_modcode(struct stv0900_internal *i_params,
- enum fe_stv0900_demod_num demod)
- {
- u32 matype,
- mod_code,
- fmod,
- reg_index,
- field_index;
- dprintk(KERN_INFO "%s\n", __func__);
- if (i_params->chip_id <= 0x11) {
- msleep(5);
- switch (demod) {
- case STV0900_DEMOD_1:
- default:
- mod_code = stv0900_read_reg(i_params,
- R0900_P1_PLHMODCOD);
- matype = mod_code & 0x3;
- mod_code = (mod_code & 0x7f) >> 2;
- reg_index = R0900_P1_MODCODLSTF - mod_code / 2;
- field_index = mod_code % 2;
- break;
- case STV0900_DEMOD_2:
- mod_code = stv0900_read_reg(i_params,
- R0900_P2_PLHMODCOD);
- matype = mod_code & 0x3;
- mod_code = (mod_code & 0x7f) >> 2;
- reg_index = R0900_P2_MODCODLSTF - mod_code / 2;
- field_index = mod_code % 2;
- break;
- }
- switch (matype) {
- case 0:
- default:
- fmod = 14;
- break;
- case 1:
- fmod = 13;
- break;
- case 2:
- fmod = 11;
- break;
- case 3:
- fmod = 7;
- break;
- }
- if ((INRANGE(STV0900_QPSK_12, mod_code, STV0900_8PSK_910))
- && (matype <= 1)) {
- if (field_index == 0)
- stv0900_write_reg(i_params, reg_index,
- 0xf0 | fmod);
- else
- stv0900_write_reg(i_params, reg_index,
- (fmod << 4) | 0xf);
- }
- } else if (i_params->chip_id >= 0x12) {
- switch (demod) {
- case STV0900_DEMOD_1:
- default:
- for (reg_index = 0; reg_index < 7; reg_index++)
- stv0900_write_reg(i_params, R0900_P1_MODCODLST0 + reg_index, 0xff);
- stv0900_write_reg(i_params, R0900_P1_MODCODLSTE, 0xff);
- stv0900_write_reg(i_params, R0900_P1_MODCODLSTF, 0xcf);
- for (reg_index = 0; reg_index < 8; reg_index++)
- stv0900_write_reg(i_params, R0900_P1_MODCODLST7 + reg_index, 0xcc);
- break;
- case STV0900_DEMOD_2:
- for (reg_index = 0; reg_index < 7; reg_index++)
- stv0900_write_reg(i_params, R0900_P2_MODCODLST0 + reg_index, 0xff);
- stv0900_write_reg(i_params, R0900_P2_MODCODLSTE, 0xff);
- stv0900_write_reg(i_params, R0900_P2_MODCODLSTF, 0xcf);
- for (reg_index = 0; reg_index < 8; reg_index++)
- stv0900_write_reg(i_params, R0900_P2_MODCODLST7 + reg_index, 0xcc);
- break;
- }
- }
- }
- void stv0900_activate_s2_modcode_single(struct stv0900_internal *i_params,
- enum fe_stv0900_demod_num demod)
- {
- u32 reg_index;
- dprintk(KERN_INFO "%s\n", __func__);
- switch (demod) {
- case STV0900_DEMOD_1:
- default:
- stv0900_write_reg(i_params, R0900_P1_MODCODLST0, 0xff);
- stv0900_write_reg(i_params, R0900_P1_MODCODLST1, 0xf0);
- stv0900_write_reg(i_params, R0900_P1_MODCODLSTF, 0x0f);
- for (reg_index = 0; reg_index < 13; reg_index++)
- stv0900_write_reg(i_params,
- R0900_P1_MODCODLST2 + reg_index, 0);
- break;
- case STV0900_DEMOD_2:
- stv0900_write_reg(i_params, R0900_P2_MODCODLST0, 0xff);
- stv0900_write_reg(i_params, R0900_P2_MODCODLST1, 0xf0);
- stv0900_write_reg(i_params, R0900_P2_MODCODLSTF, 0x0f);
- for (reg_index = 0; reg_index < 13; reg_index++)
- stv0900_write_reg(i_params,
- R0900_P2_MODCODLST2 + reg_index, 0);
- break;
- }
- }
- static enum dvbfe_algo stv0900_frontend_algo(struct dvb_frontend *fe)
- {
- return DVBFE_ALGO_CUSTOM;
- }
- static int stb0900_set_property(struct dvb_frontend *fe,
- struct dtv_property *tvp)
- {
- dprintk(KERN_INFO "%s(..)\n", __func__);
- return 0;
- }
- static int stb0900_get_property(struct dvb_frontend *fe,
- struct dtv_property *tvp)
- {
- dprintk(KERN_INFO "%s(..)\n", __func__);
- return 0;
- }
- void stv0900_start_search(struct stv0900_internal *i_params,
- enum fe_stv0900_demod_num demod)
- {
- switch (demod) {
- case STV0900_DEMOD_1:
- default:
- stv0900_write_bits(i_params, F0900_P1_I2C_DEMOD_MODE, 0x1f);
- if (i_params->chip_id == 0x10)
- stv0900_write_reg(i_params, R0900_P1_CORRELEXP, 0xaa);
- if (i_params->chip_id < 0x20)
- stv0900_write_reg(i_params, R0900_P1_CARHDR, 0x55);
- if (i_params->dmd1_symbol_rate <= 5000000) {
- stv0900_write_reg(i_params, R0900_P1_CARCFG, 0x44);
- stv0900_write_reg(i_params, R0900_P1_CFRUP1, 0x0f);
- stv0900_write_reg(i_params, R0900_P1_CFRUP0, 0xff);
- stv0900_write_reg(i_params, R0900_P1_CFRLOW1, 0xf0);
- stv0900_write_reg(i_params, R0900_P1_CFRLOW0, 0x00);
- stv0900_write_reg(i_params, R0900_P1_RTCS2, 0x68);
- } else {
- stv0900_write_reg(i_params, R0900_P1_CARCFG, 0xc4);
- stv0900_write_reg(i_params, R0900_P1_RTCS2, 0x44);
- }
- stv0900_write_reg(i_params, R0900_P1_CFRINIT1, 0);
- stv0900_write_reg(i_params, R0900_P1_CFRINIT0, 0);
- if (i_params->chip_id >= 0x20) {
- stv0900_write_reg(i_params, R0900_P1_EQUALCFG, 0x41);
- stv0900_write_reg(i_params, R0900_P1_FFECFG, 0x41);
- if ((i_params->dmd1_srch_standard == STV0900_SEARCH_DVBS1) || (i_params->dmd1_srch_standard == STV0900_SEARCH_DSS) || (i_params->dmd1_srch_standard == STV0900_AUTO_SEARCH)) {
- stv0900_write_reg(i_params, R0900_P1_VITSCALE, 0x82);
- stv0900_write_reg(i_params, R0900_P1_VAVSRVIT, 0x0);
- }
- }
- stv0900_write_reg(i_params, R0900_P1_SFRSTEP, 0x00);
- stv0900_write_reg(i_params, R0900_P1_TMGTHRISE, 0xe0);
- stv0900_write_reg(i_params, R0900_P1_TMGTHFALL, 0xc0);
- stv0900_write_bits(i_params, F0900_P1_SCAN_ENABLE, 0);
- stv0900_write_bits(i_params, F0900_P1_CFR_AUTOSCAN, 0);
- stv0900_write_bits(i_params, F0900_P1_S1S2_SEQUENTIAL, 0);
- stv0900_write_reg(i_params, R0900_P1_RTC, 0x88);
- if (i_params->chip_id >= 0x20) {
- if (i_params->dmd1_symbol_rate < 2000000) {
- stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0x39);
- stv0900_write_reg(i_params, R0900_P1_CARHDR, 0x40);
- }
- if (i_params->dmd1_symbol_rate < 10000000) {
- stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0x4c);
- stv0900_write_reg(i_params, R0900_P1_CARHDR, 0x20);
- } else {
- stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0x4b);
- stv0900_write_reg(i_params, R0900_P1_CARHDR, 0x20);
- }
- } else {
- if (i_params->dmd1_symbol_rate < 10000000)
- stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0xef);
- else
- stv0900_write_reg(i_params, R0900_P1_CARFREQ, 0xed);
- }
- switch (i_params->dmd1_srch_algo) {
- case STV0900_WARM_START:
- stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x1f);
- stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x18);
- break;
- case STV0900_COLD_START:
- stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x1f);
- stv0900_write_reg(i_params, R0900_P1_DMDISTATE, 0x15);
- break;
- default:
- break;
- }
- break;
- case STV0900_DEMOD_2:
- stv0900_write_bits(i_params, F0900_P2_I2C_DEMOD_MODE, 0x1f);
- if (i_params->chip_id == 0x10)
- stv0900_write_reg(i_params, R0900_P2_CORRELEXP, 0xaa);
- if (i_params->chip_id < 0x20)
- stv0900_write_reg(i_params, R0900_P2_CARHDR, 0x55);
- if (i_params->dmd2_symbol_rate <= 5000000) {
- stv0900_write_reg(i_params, R0900_P2_CARCFG, 0x44);
- stv0900_write_reg(i_params, R0900_P2_CFRUP1, 0x0f);
- stv0900_write_reg(i_params, R0900_P2_CFRUP0, 0xff);
- stv0900_write_reg(i_params, R0900_P2_CFRLOW1, 0xf0);
- stv0900_write_reg(i_params, R0900_P2_CFRLOW0, 0x00);
- stv0900_write_reg(i_params, R0900_P2_RTCS2, 0x68);
- } else {
- stv0900_write_reg(i_params, R0900_P2_CARCFG, 0xc4);
- stv0900_write_reg(i_params, R0900_P2_RTCS2, 0x44);
- }
- stv0900_write_reg(i_params, R0900_P2_CFRINIT1, 0);
- stv0900_write_reg(i_params, R0900_P2_CFRINIT0, 0);
- if (i_params->chip_id >= 0x20) {
- stv0900_write_reg(i_params, R0900_P2_EQUALCFG, 0x41);
- stv0900_write_reg(i_params, R0900_P2_FFECFG, 0x41);
- if ((i_params->dmd2_srch_stndrd == STV0900_SEARCH_DVBS1) || (i_params->dmd2_srch_stndrd == STV0900_SEARCH_DSS) || (i_params->dmd2_srch_stndrd == STV0900_AUTO_SEARCH)) {
- stv0900_write_reg(i_params, R0900_P2_VITSCALE, 0x82);
- stv0900_write_reg(i_params, R0900_P2_VAVSRVIT, 0x0);
- }
- }
- stv0900_write_reg(i_params, R0900_P2_SFRSTEP, 0x00);
- stv0900_write_reg(i_params, R0900_P2_TMGTHRISE, 0xe0);
- stv0900_write_reg(i_params, R0900_P2_TMGTHFALL, 0xc0);
- stv0900_write_bits(i_params, F0900_P2_SCAN_ENABLE, 0);
- stv0900_write_bits(i_params, F0900_P2_CFR_AUTOSCAN, 0);
- stv0900_write_bits(i_params, F0900_P2_S1S2_SEQUENTIAL, 0);
- stv0900_write_reg(i_params, R0900_P2_RTC, 0x88);
- if (i_params->chip_id >= 0x20) {
- if (i_params->dmd2_symbol_rate < 2000000) {
- stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0x39);
- stv0900_write_reg(i_params, R0900_P2_CARHDR, 0x40);
- }
- if (i_params->dmd2_symbol_rate < 10000000) {
- stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0x4c);
- stv0900_write_reg(i_params, R0900_P2_CARHDR, 0x20);
- } else {
- stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0x4b);
- stv0900_write_reg(i_params, R0900_P2_CARHDR, 0x20);
- }
- } else {
- if (i_params->dmd2_symbol_rate < 10000000)
- stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0xef);
- else
- stv0900_write_reg(i_params, R0900_P2_CARFREQ, 0xed);
- }
- switch (i_params->dmd2_srch_algo) {
- case STV0900_WARM_START:
- stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x1f);
- stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x18);
- break;
- case STV0900_COLD_START:
- stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x1f);
- stv0900_write_reg(i_params, R0900_P2_DMDISTATE, 0x15);
- break;
- default:
- break;
- }
- break;
- }
- }
- u8 stv0900_get_optim_carr_loop(s32 srate, enum fe_stv0900_modcode modcode,
- s32 pilot, u8 chip_id)
- {
- u8 aclc_value = 0x29;
- s32 i;
- const struct stv0900_car_loop_optim *car_loop_s2;
- dprintk(KERN_INFO "%s\n", __func__);
- if (chip_id <= 0x12)
- car_loop_s2 = FE_STV0900_S2CarLoop;
- else if (chip_id == 0x20)
- car_loop_s2 = FE_STV0900_S2CarLoopCut20;
- else
- car_loop_s2 = FE_STV0900_S2CarLoop;
- if (modcode < STV0900_QPSK_12) {
- i = 0;
- while ((i < 3) && (modcode != FE_STV0900_S2LowQPCarLoopCut20[i].modcode))
- i++;
- if (i >= 3)
- i = 2;
- } else {
- i = 0;
- while ((i < 14) && (modcode != car_loop_s2[i].modcode))
- i++;
- if (i >= 14) {
- i = 0;
- while ((i < 11) && (modcode != FE_STV0900_S2APSKCarLoopCut20[i].modcode))
- i++;
- if (i >= 11)
- i = 10;
- }
- }
- if (modcode <= STV0900_QPSK_25) {
- if (pilot) {
- if (srate <= 3000000)
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_2;
- else if (srate <= 7000000)
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_5;
- else if (srate <= 15000000)
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_10;
- else if (srate <= 25000000)
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_20;
- else
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_on_30;
- } else {
- if (srate <= 3000000)
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_2;
- else if (srate <= 7000000)
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_5;
- else if (srate <= 15000000)
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_10;
- else if (srate <= 25000000)
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_20;
- else
- aclc_value = FE_STV0900_S2LowQPCarLoopCut20[i].car_loop_pilots_off_30;
- }
- } else if (modcode <= STV0900_8PSK_910) {
- if (pilot) {
- if (srate <= 3000000)
- aclc_value = car_loop_s2[i].car_loop_pilots_on_2;
- else if (srate <= 7000000)
- aclc_value = car_loop_s2[i].car_loop_pilots_on_5;
- else if (srate <= 15000000)
- aclc_value = car_loop_s2[i].car_loop_pilots_on_10;
- else if (srate <= 25000000)
- aclc_value = car_loop_s2[i].car_loop_pilots_on_20;
- else
- aclc_value = car_loop_s2[i].car_loop_pilots_on_30;
- } else {
- if (srate <= 3000000)
- aclc_value = car_loop_s2[i].car_loop_pilots_off_2;
- else if (srate <= 7000000)
- aclc_value = car_loop_s2[i].car_loop_pilots_off_5;
- else if (srate <= 15000000)
- aclc_value = car_loop_s2[i].car_loop_pilots_off_10;
- else if (srate <= 25000000)
- aclc_value = car_loop_s2[i].car_loop_pilots_off_20;
- else
- aclc_value = car_loop_s2[i].car_loop_pilots_off_30;
- }
- } else {
- if (srate <= 3000000)
- aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_2;
- else if (srate <= 7000000)
- aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_5;
- else if (srate <= 15000000)
- aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_10;
- else if (srate <= 25000000)
- aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_20;
- else
- aclc_value = FE_STV0900_S2APSKCarLoopCut20[i].car_loop_pilots_on_30;
- }
- return aclc_value;
- }
- u8 stv0900_get_optim_short_carr_loop(s32 srate, enum fe_stv0900_modulation modulation, u8 chip_id)
- {
- s32 mod_index = 0;
- u8 aclc_value = 0x0b;
- dprintk(KERN_INFO "%s\n", __func__);
- switch (modulation) {
- case STV0900_QPSK:
- default:
- mod_index = 0;
- break;
- case STV0900_8PSK:
- mod_index = 1;
- break;
- case STV0900_16APSK:
- mod_index = 2;
- break;
- case STV0900_32APSK:
- mod_index = 3;
- break;
- }
- switch (chip_id) {
- case 0x20:
- if (srate <= 3000000)
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_2;
- else if (srate <= 7000000)
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_5;
- else if (srate <= 15000000)
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_10;
- else if (srate <= 25000000)
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_20;
- else
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut20_30;
- break;
- case 0x12:
- default:
- if (srate <= 3000000)
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_2;
- else if (srate <= 7000000)
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_5;
- else if (srate <= 15000000)
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_10;
- else if (srate <= 25000000)
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_20;
- else
- aclc_value = FE_STV0900_S2ShortCarLoop[mod_index].car_loop_cut12_30;
- break;
- }
- return aclc_value;
- }
- static enum fe_stv0900_error stv0900_st_dvbs2_single(struct stv0900_internal *i_params,
- enum fe_stv0900_demod_mode LDPC_Mode,
- enum fe_stv0900_demod_num demod)
- {
- enum fe_stv0900_error error = STV0900_NO_ERROR;
- dprintk(KERN_INFO "%s\n", __func__);
- switch (LDPC_Mode) {
- case STV0900_DUAL:
- default:
- if ((i_params->demod_mode != STV0900_DUAL)
- || (stv0900_get_bits(i_params, F0900_DDEMOD) != 1)) {
- stv0900_write_reg(i_params, R0900_GENCFG, 0x1d);
- i_params->demod_mode = STV0900_DUAL;
- stv0900_write_bits(i_params, F0900_FRESFEC, 1);
- stv0900_write_bits(i_params, F0900_FRESFEC, 0);
- }
- break;
- case STV0900_SINGLE:
- if (demod == STV0900_DEMOD_2)
- stv0900_write_reg(i_params, R0900_GENCFG, 0x06);
- else
- stv0900_write_reg(i_params, R0900_GENCFG, 0x04);
- i_params->demod_mode = STV0900_SINGLE;
- stv0900_write_bits(i_params, F0900_FRESFEC, 1);
- stv0900_write_bits(i_params, F0900_FRESFEC, 0);
- stv0900_write_bits(i_params, F0900_P1_ALGOSWRST, 1);
- stv0900_write_bits(i_params, F0900_P1_ALGOSWRST, 0);
- stv0900_write_bits(i_params, F0900_P2_ALGOSWRST, 1);
- stv0900_write_bits(i_params, F0900_P2_ALGOSWRST, 0);
- break;
- }
- return error;
- }
- static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
- struct stv0900_init_params *p_init)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- enum fe_stv0900_error error = STV0900_NO_ERROR;
- enum fe_stv0900_error demodError = STV0900_NO_ERROR;
- int selosci, i;
- struct stv0900_inode *temp_int = find_inode(state->i2c_adap,
- state->config->demod_address);
- dprintk(KERN_INFO "%s\n", __func__);
- if (temp_int != NULL) {
- state->internal = temp_int->internal;
- (state->internal->dmds_used)++;
- dprintk(KERN_INFO "%s: Find Internal Structure!\n", __func__);
- return STV0900_NO_ERROR;
- } else {
- state->internal = kmalloc(sizeof(struct stv0900_internal), GFP_KERNEL);
- temp_int = append_internal(state->internal);
- state->internal->dmds_used = 1;
- state->internal->i2c_adap = state->i2c_adap;
- state->internal->i2c_addr = state->config->demod_address;
- state->internal->clkmode = state->config->clkmode;
- state->internal->errs = STV0900_NO_ERROR;
- dprintk(KERN_INFO "%s: Create New Internal Structure!\n", __func__);
- }
- if (state->internal != NULL) {
- demodError = stv0900_initialize(state->internal);
- if (demodError == STV0900_NO_ERROR) {
- error = STV0900_NO_ERROR;
- } else {
- if (demodError == STV0900_INVALID_HANDLE)
- error = STV0900_INVALID_HANDLE;
- else
- error = STV0900_I2C_ERROR;
- }
- if (state->internal != NULL) {
- if (error == STV0900_NO_ERROR) {
- state->internal->demod_mode = p_init->demod_mode;
- stv0900_st_dvbs2_single(state->internal, state->internal->demod_mode, STV0900_DEMOD_1);
- state->internal->chip_id = stv0900_read_reg(state->internal, R0900_MID);
- state->internal->rolloff = p_init->rolloff;
- state->internal->quartz = p_init->dmd_ref_clk;
- stv0900_write_bits(state->internal, F0900_P1_ROLLOFF_CONTROL, p_init->rolloff);
- stv0900_write_bits(state->internal, F0900_P2_ROLLOFF_CONTROL, p_init->rolloff);
- state->internal->ts_config = p_init->ts_config;
- if (state->internal->ts_config == NULL)
- stv0900_set_ts_parallel_serial(state->internal,
- p_init->path1_ts_clock,
- p_init->path2_ts_clock);
- else {
- for (i = 0; state->internal->ts_config[i].addr != 0xffff; i++)
- stv0900_write_reg(state->internal,
- state->internal->ts_config[i].addr,
- state->internal->ts_config[i].val);
- stv0900_write_bits(state->internal, F0900_P2_RST_HWARE, 1);
- stv0900_write_bits(state->internal, F0900_P2_RST_HWARE, 0);
- stv0900_write_bits(state->internal, F0900_P1_RST_HWARE, 1);
- stv0900_write_bits(state->internal, F0900_P1_RST_HWARE, 0);
- }
- stv0900_write_bits(state->internal, F0900_P1_TUN_MADDRESS, p_init->tun1_maddress);
- switch (p_init->tuner1_adc) {
- case 1:
- stv0900_write_reg(state->internal, R0900_TSTTNR1, 0x26);
- break;
- default:
- break;
- }
- stv0900_write_bits(state->internal, F0900_P2_TUN_MADDRESS, p_init->tun2_maddress);
- switch (p_init->tuner2_adc) {
- case 1:
- stv0900_write_reg(state->internal, R0900_TSTTNR3, 0x26);
- break;
- default:
- break;
- }
- stv0900_write_bits(state->internal, F0900_P1_TUN_IQSWAP, p_init->tun1_iq_inversion);
- stv0900_write_bits(state->internal, F0900_P2_TUN_IQSWAP, p_init->tun2_iq_inversion);
- stv0900_set_mclk(state->internal, 135000000);
- msleep(3);
- switch (state->internal->clkmode) {
- case 0:
- case 2:
- stv0900_write_reg(state->internal, R0900_SYNTCTRL, 0x20 | state->internal->clkmode);
- break;
- default:
- selosci = 0x02 & stv0900_read_reg(state->internal, R0900_SYNTCTRL);
- stv0900_write_reg(state->internal, R0900_SYNTCTRL, 0x20 | selosci);
- break;
- }
- msleep(3);
- state->internal->mclk = stv0900_get_mclk_freq(state->internal, state->internal->quartz);
- if (state->internal->errs)
- error = STV0900_I2C_ERROR;
- }
- } else {
- error = STV0900_INVALID_HANDLE;
- }
- }
- return error;
- }
- static int stv0900_status(struct stv0900_internal *i_params,
- enum fe_stv0900_demod_num demod)
- {
- enum fe_stv0900_search_state demod_state;
- s32 mode_field, delin_field, lock_field, fifo_field, lockedvit_field;
- int locked = FALSE;
- dmd_reg(mode_field, F0900_P1_HEADER_MODE, F0900_P2_HEADER_MODE);
- dmd_reg(lock_field, F0900_P1_LOCK_DEFINITIF, F0900_P2_LOCK_DEFINITIF);
- dmd_reg(delin_field, F0900_P1_PKTDELIN_LOCK, F0900_P2_PKTDELIN_LOCK);
- dmd_reg(fifo_field, F0900_P1_TSFIFO_LINEOK, F0900_P2_TSFIFO_LINEOK);
- dmd_reg(lockedvit_field, F0900_P1_LOCKEDVIT, F0900_P2_LOCKEDVIT);
- demod_state = stv0900_get_bits(i_params, mode_field);
- switch (demod_state) {
- case STV0900_SEARCH:
- case STV0900_PLH_DETECTED:
- default:
- locked = FALSE;
- break;
- case STV0900_DVBS2_FOUND:
- locked = stv0900_get_bits(i_params, lock_field) &&
- stv0900_get_bits(i_params, delin_field) &&
- stv0900_get_bits(i_params, fifo_field);
- break;
- case STV0900_DVBS_FOUND:
- locked = stv0900_get_bits(i_params, lock_field) &&
- stv0900_get_bits(i_params, lockedvit_field) &&
- stv0900_get_bits(i_params, fifo_field);
- break;
- }
- return locked;
- }
- static enum dvbfe_search stv0900_search(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *params)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *i_params = state->internal;
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- struct stv0900_search_params p_search;
- struct stv0900_signal_info p_result;
- enum fe_stv0900_error error = STV0900_NO_ERROR;
- dprintk(KERN_INFO "%s: ", __func__);
- p_result.locked = FALSE;
- p_search.path = state->demod;
- p_search.frequency = c->frequency;
- p_search.symbol_rate = c->symbol_rate;
- p_search.search_range = 10000000;
- p_search.fec = STV0900_FEC_UNKNOWN;
- p_search.standard = STV0900_AUTO_SEARCH;
- p_search.iq_inversion = STV0900_IQ_AUTO;
- p_search.search_algo = STV0900_BLIND_SEARCH;
- if ((INRANGE(100000, p_search.symbol_rate, 70000000)) &&
- (INRANGE(100000, p_search.search_range, 50000000))) {
- switch (p_search.path) {
- case STV0900_DEMOD_1:
- default:
- i_params->dmd1_srch_standard = p_search.standard;
- i_params->dmd1_symbol_rate = p_search.symbol_rate;
- i_params->dmd1_srch_range = p_search.search_range;
- i_params->tuner1_freq = p_search.frequency;
- i_params->dmd1_srch_algo = p_search.search_algo;
- i_params->dmd1_srch_iq_inv = p_search.iq_inversion;
- i_params->dmd1_fec = p_search.fec;
- break;
- case STV0900_DEMOD_2:
- i_params->dmd2_srch_stndrd = p_search.standard;
- i_params->dmd2_symbol_rate = p_search.symbol_rate;
- i_params->dmd2_srch_range = p_search.search_range;
- i_params->tuner2_freq = p_search.frequency;
- i_params->dmd2_srch_algo = p_search.search_algo;
- i_params->dmd2_srch_iq_inv = p_search.iq_inversion;
- i_params->dmd2_fec = p_search.fec;
- break;
- }
- if ((stv0900_algo(fe) == STV0900_RANGEOK) &&
- (i_params->errs == STV0900_NO_ERROR)) {
- switch (p_search.path) {
- case STV0900_DEMOD_1:
- default:
- p_result.locked = i_params->dmd1_rslts.locked;
- p_result.standard = i_params->dmd1_rslts.standard;
- p_result.frequency = i_params->dmd1_rslts.frequency;
- p_result.symbol_rate = i_params->dmd1_rslts.symbol_rate;
- p_result.fec = i_params->dmd1_rslts.fec;
- p_result.modcode = i_params->dmd1_rslts.modcode;
- p_result.pilot = i_params->dmd1_rslts.pilot;
- p_result.frame_length = i_params->dmd1_rslts.frame_length;
- p_result.spectrum = i_params->dmd1_rslts.spectrum;
- p_result.rolloff = i_params->dmd1_rslts.rolloff;
- p_result.modulation = i_params->dmd1_rslts.modulation;
- break;
- case STV0900_DEMOD_2:
- p_result.locked = i_params->dmd2_rslts.locked;
- p_result.standard = i_params->dmd2_rslts.standard;
- p_result.frequency = i_params->dmd2_rslts.frequency;
- p_result.symbol_rate = i_params->dmd2_rslts.symbol_rate;
- p_result.fec = i_params->dmd2_rslts.fec;
- p_result.modcode = i_params->dmd2_rslts.modcode;
- p_result.pilot = i_params->dmd2_rslts.pilot;
- p_result.frame_length = i_params->dmd2_rslts.frame_length;
- p_result.spectrum = i_params->dmd2_rslts.spectrum;
- p_result.rolloff = i_params->dmd2_rslts.rolloff;
- p_result.modulation = i_params->dmd2_rslts.modulation;
- break;
- }
- } else {
- p_result.locked = FALSE;
- switch (p_search.path) {
- case STV0900_DEMOD_1:
- switch (i_params->dmd1_err) {
- case STV0900_I2C_ERROR:
- error = STV0900_I2C_ERROR;
- break;
- case STV0900_NO_ERROR:
- default:
- error = STV0900_SEARCH_FAILED;
- break;
- }
- break;
- case STV0900_DEMOD_2:
- switch (i_params->dmd2_err) {
- case STV0900_I2C_ERROR:
- error = STV0900_I2C_ERROR;
- break;
- case STV0900_NO_ERROR:
- default:
- error = STV0900_SEARCH_FAILED;
- break;
- }
- break;
- }
- }
- } else
- error = STV0900_BAD_PARAMETER;
- if ((p_result.locked == TRUE) && (error == STV0900_NO_ERROR)) {
- dprintk(KERN_INFO "Search Success\n");
- return DVBFE_ALGO_SEARCH_SUCCESS;
- } else {
- dprintk(KERN_INFO "Search Fail\n");
- return DVBFE_ALGO_SEARCH_FAILED;
- }
- return DVBFE_ALGO_SEARCH_ERROR;
- }
- static int stv0900_read_status(struct dvb_frontend *fe, enum fe_status *status)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- dprintk("%s: ", __func__);
- if ((stv0900_status(state->internal, state->demod)) == TRUE) {
- dprintk("DEMOD LOCK OK\n");
- *status = FE_HAS_CARRIER
- | FE_HAS_VITERBI
- | FE_HAS_SYNC
- | FE_HAS_LOCK;
- } else
- dprintk("DEMOD LOCK FAIL\n");
- return 0;
- }
- static int stv0900_track(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
- {
- return 0;
- }
- static int stv0900_stop_ts(struct dvb_frontend *fe, int stop_ts)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *i_params = state->internal;
- enum fe_stv0900_demod_num demod = state->demod;
- s32 rst_field;
- dmd_reg(rst_field, F0900_P1_RST_HWARE, F0900_P2_RST_HWARE);
- if (stop_ts == TRUE)
- stv0900_write_bits(i_params, rst_field, 1);
- else
- stv0900_write_bits(i_params, rst_field, 0);
- return 0;
- }
- static int stv0900_diseqc_init(struct dvb_frontend *fe)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *i_params = state->internal;
- enum fe_stv0900_demod_num demod = state->demod;
- s32 mode_field, reset_field;
- dmd_reg(mode_field, F0900_P1_DISTX_MODE, F0900_P2_DISTX_MODE);
- dmd_reg(reset_field, F0900_P1_DISEQC_RESET, F0900_P2_DISEQC_RESET);
- stv0900_write_bits(i_params, mode_field, state->config->diseqc_mode);
- stv0900_write_bits(i_params, reset_field, 1);
- stv0900_write_bits(i_params, reset_field, 0);
- return 0;
- }
- static int stv0900_init(struct dvb_frontend *fe)
- {
- dprintk(KERN_INFO "%s\n", __func__);
- stv0900_stop_ts(fe, 1);
- stv0900_diseqc_init(fe);
- return 0;
- }
- static int stv0900_diseqc_send(struct stv0900_internal *i_params , u8 *Data,
- u32 NbData, enum fe_stv0900_demod_num demod)
- {
- s32 i = 0;
- switch (demod) {
- case STV0900_DEMOD_1:
- default:
- stv0900_write_bits(i_params, F0900_P1_DIS_PRECHARGE, 1);
- while (i < NbData) {
- while (stv0900_get_bits(i_params, F0900_P1_FIFO_FULL))
- ;/* checkpatch complains */
- stv0900_write_reg(i_params, R0900_P1_DISTXDATA, Data[i]);
- i++;
- }
- stv0900_write_bits(i_params, F0900_P1_DIS_PRECHARGE, 0);
- i = 0;
- while ((stv0900_get_bits(i_params, F0900_P1_TX_IDLE) != 1) && (i < 10)) {
- msleep(10);
- i++;
- }
- break;
- case STV0900_DEMOD_2:
- stv0900_write_bits(i_params, F0900_P2_DIS_PRECHARGE, 1);
- while (i < NbData) {
- while (stv0900_get_bits(i_params, F0900_P2_FIFO_FULL))
- ;/* checkpatch complains */
- stv0900_write_reg(i_params, R0900_P2_DISTXDATA, Data[i]);
- i++;
- }
- stv0900_write_bits(i_params, F0900_P2_DIS_PRECHARGE, 0);
- i = 0;
- while ((stv0900_get_bits(i_params, F0900_P2_TX_IDLE) != 1) && (i < 10)) {
- msleep(10);
- i++;
- }
- break;
- }
- return 0;
- }
- static int stv0900_send_master_cmd(struct dvb_frontend *fe,
- struct dvb_diseqc_master_cmd *cmd)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- return stv0900_diseqc_send(state->internal,
- cmd->msg,
- cmd->msg_len,
- state->demod);
- }
- static int stv0900_send_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t burst)
- {
- struct stv0900_state *state = fe->demodulator_priv;
- struct stv0900_internal *i_params = state->internal;
- enum fe_stv0900_demod_num demod = state->…
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