From ad6b9e517b39acec98862e7f9bddefe1b275445b Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 9 Jul 2012 14:59:28 -0300 Subject: [media] dvb_usb_v2: move from dvb-usb to dvb-usb-v2 Move to own directory. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/mxl111sf-tuner.c | 527 ----------------------------- 1 file changed, 527 deletions(-) delete mode 100644 drivers/media/dvb/dvb-usb/mxl111sf-tuner.c (limited to 'drivers/media/dvb/dvb-usb/mxl111sf-tuner.c') diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c b/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c deleted file mode 100644 index ef4c65fcbb73..000000000000 --- a/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c +++ /dev/null @@ -1,527 +0,0 @@ -/* - * mxl111sf-tuner.c - driver for the MaxLinear MXL111SF CMOS tuner - * - * Copyright (C) 2010 Michael Krufky - * - * 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 "mxl111sf-tuner.h" -#include "mxl111sf-phy.h" -#include "mxl111sf-reg.h" - -/* debug */ -static int mxl111sf_tuner_debug; -module_param_named(debug, mxl111sf_tuner_debug, int, 0644); -MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."); - -#define mxl_dbg(fmt, arg...) \ - if (mxl111sf_tuner_debug) \ - mxl_printk(KERN_DEBUG, fmt, ##arg) - -#define err pr_err - -/* ------------------------------------------------------------------------ */ - -struct mxl111sf_tuner_state { - struct mxl111sf_state *mxl_state; - - struct mxl111sf_tuner_config *cfg; - - enum mxl_if_freq if_freq; - - u32 frequency; - u32 bandwidth; -}; - -static int mxl111sf_tuner_read_reg(struct mxl111sf_tuner_state *state, - u8 addr, u8 *data) -{ - return (state->cfg->read_reg) ? - state->cfg->read_reg(state->mxl_state, addr, data) : - -EINVAL; -} - -static int mxl111sf_tuner_write_reg(struct mxl111sf_tuner_state *state, - u8 addr, u8 data) -{ - return (state->cfg->write_reg) ? - state->cfg->write_reg(state->mxl_state, addr, data) : - -EINVAL; -} - -static int mxl111sf_tuner_program_regs(struct mxl111sf_tuner_state *state, - struct mxl111sf_reg_ctrl_info *ctrl_reg_info) -{ - return (state->cfg->program_regs) ? - state->cfg->program_regs(state->mxl_state, ctrl_reg_info) : - -EINVAL; -} - -static int mxl1x1sf_tuner_top_master_ctrl(struct mxl111sf_tuner_state *state, - int onoff) -{ - return (state->cfg->top_master_ctrl) ? - state->cfg->top_master_ctrl(state->mxl_state, onoff) : - -EINVAL; -} - -/* ------------------------------------------------------------------------ */ - -static struct mxl111sf_reg_ctrl_info mxl_phy_tune_rf[] = { - {0x1d, 0x7f, 0x00}, /* channel bandwidth section 1/2/3, - DIG_MODEINDEX, _A, _CSF, */ - {0x1e, 0xff, 0x00}, /* channel frequency (lo and fractional) */ - {0x1f, 0xff, 0x00}, /* channel frequency (hi for integer portion) */ - {0, 0, 0} -}; - -/* ------------------------------------------------------------------------ */ - -static struct mxl111sf_reg_ctrl_info *mxl111sf_calc_phy_tune_regs(u32 freq, - u8 bw) -{ - u8 filt_bw; - - /* set channel bandwidth */ - switch (bw) { - case 0: /* ATSC */ - filt_bw = 25; - break; - case 1: /* QAM */ - filt_bw = 69; - break; - case 6: - filt_bw = 21; - break; - case 7: - filt_bw = 42; - break; - case 8: - filt_bw = 63; - break; - default: - err("%s: invalid bandwidth setting!", __func__); - return NULL; - } - - /* calculate RF channel */ - freq /= 1000000; - - freq *= 64; -#if 0 - /* do round */ - freq += 0.5; -#endif - /* set bandwidth */ - mxl_phy_tune_rf[0].data = filt_bw; - - /* set RF */ - mxl_phy_tune_rf[1].data = (freq & 0xff); - mxl_phy_tune_rf[2].data = (freq >> 8) & 0xff; - - /* start tune */ - return mxl_phy_tune_rf; -} - -static int mxl1x1sf_tuner_set_if_output_freq(struct mxl111sf_tuner_state *state) -{ - int ret; - u8 ctrl; -#if 0 - u16 iffcw; - u32 if_freq; -#endif - mxl_dbg("(IF polarity = %d, IF freq = 0x%02x)", - state->cfg->invert_spectrum, state->cfg->if_freq); - - /* set IF polarity */ - ctrl = state->cfg->invert_spectrum; - - ctrl |= state->cfg->if_freq; - - ret = mxl111sf_tuner_write_reg(state, V6_TUNER_IF_SEL_REG, ctrl); - if (mxl_fail(ret)) - goto fail; - -#if 0 - if_freq /= 1000000; - - /* do round */ - if_freq += 0.5; - - if (MXL_IF_LO == state->cfg->if_freq) { - ctrl = 0x08; - iffcw = (u16)(if_freq / (108 * 4096)); - } else if (MXL_IF_HI == state->cfg->if_freq) { - ctrl = 0x08; - iffcw = (u16)(if_freq / (216 * 4096)); - } else { - ctrl = 0; - iffcw = 0; - } - - ctrl |= (iffcw >> 8); -#endif - ret = mxl111sf_tuner_read_reg(state, V6_TUNER_IF_FCW_BYP_REG, &ctrl); - if (mxl_fail(ret)) - goto fail; - - ctrl &= 0xf0; - ctrl |= 0x90; - - ret = mxl111sf_tuner_write_reg(state, V6_TUNER_IF_FCW_BYP_REG, ctrl); - if (mxl_fail(ret)) - goto fail; - -#if 0 - ctrl = iffcw & 0x00ff; -#endif - ret = mxl111sf_tuner_write_reg(state, V6_TUNER_IF_FCW_REG, ctrl); - if (mxl_fail(ret)) - goto fail; - - state->if_freq = state->cfg->if_freq; -fail: - return ret; -} - -static int mxl1x1sf_tune_rf(struct dvb_frontend *fe, u32 freq, u8 bw) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - static struct mxl111sf_reg_ctrl_info *reg_ctrl_array; - int ret; - u8 mxl_mode; - - mxl_dbg("(freq = %d, bw = 0x%x)", freq, bw); - - /* stop tune */ - ret = mxl111sf_tuner_write_reg(state, START_TUNE_REG, 0); - if (mxl_fail(ret)) - goto fail; - - /* check device mode */ - ret = mxl111sf_tuner_read_reg(state, MXL_MODE_REG, &mxl_mode); - if (mxl_fail(ret)) - goto fail; - - /* Fill out registers for channel tune */ - reg_ctrl_array = mxl111sf_calc_phy_tune_regs(freq, bw); - if (!reg_ctrl_array) - return -EINVAL; - - ret = mxl111sf_tuner_program_regs(state, reg_ctrl_array); - if (mxl_fail(ret)) - goto fail; - - if ((mxl_mode & MXL_DEV_MODE_MASK) == MXL_TUNER_MODE) { - /* IF tuner mode only */ - mxl1x1sf_tuner_top_master_ctrl(state, 0); - mxl1x1sf_tuner_top_master_ctrl(state, 1); - mxl1x1sf_tuner_set_if_output_freq(state); - } - - ret = mxl111sf_tuner_write_reg(state, START_TUNE_REG, 1); - if (mxl_fail(ret)) - goto fail; - - if (state->cfg->ant_hunt) - state->cfg->ant_hunt(fe); -fail: - return ret; -} - -static int mxl1x1sf_tuner_get_lock_status(struct mxl111sf_tuner_state *state, - int *rf_synth_lock, - int *ref_synth_lock) -{ - int ret; - u8 data; - - *rf_synth_lock = 0; - *ref_synth_lock = 0; - - ret = mxl111sf_tuner_read_reg(state, V6_RF_LOCK_STATUS_REG, &data); - if (mxl_fail(ret)) - goto fail; - - *ref_synth_lock = ((data & 0x03) == 0x03) ? 1 : 0; - *rf_synth_lock = ((data & 0x0c) == 0x0c) ? 1 : 0; -fail: - return ret; -} - -#if 0 -static int mxl1x1sf_tuner_loop_thru_ctrl(struct mxl111sf_tuner_state *state, - int onoff) -{ - return mxl111sf_tuner_write_reg(state, V6_TUNER_LOOP_THRU_CTRL_REG, - onoff ? 1 : 0); -} -#endif - -/* ------------------------------------------------------------------------ */ - -static int mxl111sf_tuner_set_params(struct dvb_frontend *fe) -{ - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - u32 delsys = c->delivery_system; - struct mxl111sf_tuner_state *state = fe->tuner_priv; - int ret; - u8 bw; - - mxl_dbg("()"); - - switch (delsys) { - case SYS_ATSC: - case SYS_ATSCMH: - bw = 0; /* ATSC */ - break; - case SYS_DVBC_ANNEX_B: - bw = 1; /* US CABLE */ - break; - case SYS_DVBT: - switch (c->bandwidth_hz) { - case 6000000: - bw = 6; - break; - case 7000000: - bw = 7; - break; - case 8000000: - bw = 8; - break; - default: - err("%s: bandwidth not set!", __func__); - return -EINVAL; - } - break; - default: - err("%s: modulation type not supported!", __func__); - return -EINVAL; - } - ret = mxl1x1sf_tune_rf(fe, c->frequency, bw); - if (mxl_fail(ret)) - goto fail; - - state->frequency = c->frequency; - state->bandwidth = c->bandwidth_hz; -fail: - return ret; -} - -/* ------------------------------------------------------------------------ */ - -#if 0 -static int mxl111sf_tuner_init(struct dvb_frontend *fe) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - int ret; - - /* wake from standby handled by usb driver */ - - return ret; -} - -static int mxl111sf_tuner_sleep(struct dvb_frontend *fe) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - int ret; - - /* enter standby mode handled by usb driver */ - - return ret; -} -#endif - -/* ------------------------------------------------------------------------ */ - -static int mxl111sf_tuner_get_status(struct dvb_frontend *fe, u32 *status) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - int rf_locked, ref_locked, ret; - - *status = 0; - - ret = mxl1x1sf_tuner_get_lock_status(state, &rf_locked, &ref_locked); - if (mxl_fail(ret)) - goto fail; - mxl_info("%s%s", rf_locked ? "rf locked " : "", - ref_locked ? "ref locked" : ""); - - if ((rf_locked) || (ref_locked)) - *status |= TUNER_STATUS_LOCKED; -fail: - return ret; -} - -static int mxl111sf_get_rf_strength(struct dvb_frontend *fe, u16 *strength) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - u8 val1, val2; - int ret; - - *strength = 0; - - ret = mxl111sf_tuner_write_reg(state, 0x00, 0x02); - if (mxl_fail(ret)) - goto fail; - ret = mxl111sf_tuner_read_reg(state, V6_DIG_RF_PWR_LSB_REG, &val1); - if (mxl_fail(ret)) - goto fail; - ret = mxl111sf_tuner_read_reg(state, V6_DIG_RF_PWR_MSB_REG, &val2); - if (mxl_fail(ret)) - goto fail; - - *strength = val1 | ((val2 & 0x07) << 8); -fail: - ret = mxl111sf_tuner_write_reg(state, 0x00, 0x00); - mxl_fail(ret); - - return ret; -} - -/* ------------------------------------------------------------------------ */ - -static int mxl111sf_tuner_get_frequency(struct dvb_frontend *fe, u32 *frequency) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - *frequency = state->frequency; - return 0; -} - -static int mxl111sf_tuner_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - *bandwidth = state->bandwidth; - return 0; -} - -static int mxl111sf_tuner_get_if_frequency(struct dvb_frontend *fe, - u32 *frequency) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - - *frequency = 0; - - switch (state->if_freq) { - case MXL_IF_4_0: /* 4.0 MHz */ - *frequency = 4000000; - break; - case MXL_IF_4_5: /* 4.5 MHz */ - *frequency = 4500000; - break; - case MXL_IF_4_57: /* 4.57 MHz */ - *frequency = 4570000; - break; - case MXL_IF_5_0: /* 5.0 MHz */ - *frequency = 5000000; - break; - case MXL_IF_5_38: /* 5.38 MHz */ - *frequency = 5380000; - break; - case MXL_IF_6_0: /* 6.0 MHz */ - *frequency = 6000000; - break; - case MXL_IF_6_28: /* 6.28 MHz */ - *frequency = 6280000; - break; - case MXL_IF_7_2: /* 7.2 MHz */ - *frequency = 7200000; - break; - case MXL_IF_35_25: /* 35.25 MHz */ - *frequency = 35250000; - break; - case MXL_IF_36: /* 36 MHz */ - *frequency = 36000000; - break; - case MXL_IF_36_15: /* 36.15 MHz */ - *frequency = 36150000; - break; - case MXL_IF_44: /* 44 MHz */ - *frequency = 44000000; - break; - } - return 0; -} - -static int mxl111sf_tuner_release(struct dvb_frontend *fe) -{ - struct mxl111sf_tuner_state *state = fe->tuner_priv; - mxl_dbg("()"); - kfree(state); - fe->tuner_priv = NULL; - return 0; -} - -/* ------------------------------------------------------------------------- */ - -static struct dvb_tuner_ops mxl111sf_tuner_tuner_ops = { - .info = { - .name = "MaxLinear MxL111SF", -#if 0 - .frequency_min = , - .frequency_max = , - .frequency_step = , -#endif - }, -#if 0 - .init = mxl111sf_tuner_init, - .sleep = mxl111sf_tuner_sleep, -#endif - .set_params = mxl111sf_tuner_set_params, - .get_status = mxl111sf_tuner_get_status, - .get_rf_strength = mxl111sf_get_rf_strength, - .get_frequency = mxl111sf_tuner_get_frequency, - .get_bandwidth = mxl111sf_tuner_get_bandwidth, - .get_if_frequency = mxl111sf_tuner_get_if_frequency, - .release = mxl111sf_tuner_release, -}; - -struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe, - struct mxl111sf_state *mxl_state, - struct mxl111sf_tuner_config *cfg) -{ - struct mxl111sf_tuner_state *state = NULL; - - mxl_dbg("()"); - - state = kzalloc(sizeof(struct mxl111sf_tuner_state), GFP_KERNEL); - if (state == NULL) - return NULL; - - state->mxl_state = mxl_state; - state->cfg = cfg; - - memcpy(&fe->ops.tuner_ops, &mxl111sf_tuner_tuner_ops, - sizeof(struct dvb_tuner_ops)); - - fe->tuner_priv = state; - return fe; -} -EXPORT_SYMBOL_GPL(mxl111sf_tuner_attach); - -MODULE_DESCRIPTION("MaxLinear MxL111SF CMOS tuner driver"); -MODULE_AUTHOR("Michael Krufky "); -MODULE_LICENSE("GPL"); -MODULE_VERSION("0.1"); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ -- cgit v1.2.2