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path: root/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c
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Diffstat (limited to 'drivers/media/dvb/dvb-usb/mxl111sf-tuner.c')
-rw-r--r--drivers/media/dvb/dvb-usb/mxl111sf-tuner.c525
1 files changed, 0 insertions, 525 deletions
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 74da5bb1ce99..000000000000
--- a/drivers/media/dvb/dvb-usb/mxl111sf-tuner.c
+++ /dev/null
@@ -1,525 +0,0 @@
-/*
- * mxl111sf-tuner.c - driver for the MaxLinear MXL111SF CMOS tuner
- *
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
- *
- * 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)
-
-/* ------------------------------------------------------------------------ */
-
-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 <mkrufky@kernellabs.com>");
-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:
- */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 21:15:14 +0100