X-Git-Url: http://git.samba.org/samba.git/?a=blobdiff_plain;f=drivers%2Fmedia%2Fdvb%2Fdvb-usb-v2%2Fmxl111sf-demod.c;fp=drivers%2Fmedia%2Fdvb%2Fdvb-usb-v2%2Fmxl111sf-demod.c;h=0000000000000000000000000000000000000000;hb=786baecfe78f8e25547c628b48a60fc8e5636056;hp=d83df4bb72d352308f8baff11e7fe6ad72a63026;hpb=616300bd51bee80d2d122c205866aa4c20adbaa8;p=sfrench%2Fcifs-2.6.git

diff --git a/drivers/media/dvb/dvb-usb-v2/mxl111sf-demod.c b/drivers/media/dvb/dvb-usb-v2/mxl111sf-demod.c
deleted file mode 100644
index d83df4bb72d3..000000000000
--- a/drivers/media/dvb/dvb-usb-v2/mxl111sf-demod.c
+++ /dev/null
@@ -1,612 +0,0 @@
-/*
- *  mxl111sf-demod.c - driver for the MaxLinear MXL111SF DVB-T demodulator
- *
- *  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-demod.h"
-#include "mxl111sf-reg.h"
-
-/* debug */
-static int mxl111sf_demod_debug;
-module_param_named(debug, mxl111sf_demod_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able)).");
-
-#define mxl_dbg(fmt, arg...) \
-	if (mxl111sf_demod_debug) \
-		mxl_printk(KERN_DEBUG, fmt, ##arg)
-
-/* ------------------------------------------------------------------------ */
-
-struct mxl111sf_demod_state {
-	struct mxl111sf_state *mxl_state;
-
-	struct mxl111sf_demod_config *cfg;
-
-	struct dvb_frontend fe;
-};
-
-/* ------------------------------------------------------------------------ */
-
-static int mxl111sf_demod_read_reg(struct mxl111sf_demod_state *state,
-				   u8 addr, u8 *data)
-{
-	return (state->cfg->read_reg) ?
-		state->cfg->read_reg(state->mxl_state, addr, data) :
-		-EINVAL;
-}
-
-static int mxl111sf_demod_write_reg(struct mxl111sf_demod_state *state,
-				    u8 addr, u8 data)
-{
-	return (state->cfg->write_reg) ?
-		state->cfg->write_reg(state->mxl_state, addr, data) :
-		-EINVAL;
-}
-
-static
-int mxl111sf_demod_program_regs(struct mxl111sf_demod_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;
-}
-
-/* ------------------------------------------------------------------------ */
-/* TPS */
-
-static
-int mxl1x1sf_demod_get_tps_code_rate(struct mxl111sf_demod_state *state,
-				     fe_code_rate_t *code_rate)
-{
-	u8 val;
-	int ret = mxl111sf_demod_read_reg(state, V6_CODE_RATE_TPS_REG, &val);
-	/* bit<2:0> - 000:1/2, 001:2/3, 010:3/4, 011:5/6, 100:7/8 */
-	if (mxl_fail(ret))
-		goto fail;
-
-	switch (val & V6_CODE_RATE_TPS_MASK) {
-	case 0:
-		*code_rate = FEC_1_2;
-		break;
-	case 1:
-		*code_rate = FEC_2_3;
-		break;
-	case 2:
-		*code_rate = FEC_3_4;
-		break;
-	case 3:
-		*code_rate = FEC_5_6;
-		break;
-	case 4:
-		*code_rate = FEC_7_8;
-		break;
-	}
-fail:
-	return ret;
-}
-
-static
-int mxl1x1sf_demod_get_tps_modulation(struct mxl111sf_demod_state *state,
-					 fe_modulation_t *modulation)
-{
-	u8 val;
-	int ret = mxl111sf_demod_read_reg(state, V6_MODORDER_TPS_REG, &val);
-	/* Constellation, 00 : QPSK, 01 : 16QAM, 10:64QAM */
-	if (mxl_fail(ret))
-		goto fail;
-
-	switch ((val & V6_PARAM_CONSTELLATION_MASK) >> 4) {
-	case 0:
-		*modulation = QPSK;
-		break;
-	case 1:
-		*modulation = QAM_16;
-		break;
-	case 2:
-		*modulation = QAM_64;
-		break;
-	}
-fail:
-	return ret;
-}
-
-static
-int mxl1x1sf_demod_get_tps_guard_fft_mode(struct mxl111sf_demod_state *state,
-					  fe_transmit_mode_t *fft_mode)
-{
-	u8 val;
-	int ret = mxl111sf_demod_read_reg(state, V6_MODE_TPS_REG, &val);
-	/* FFT Mode, 00:2K, 01:8K, 10:4K */
-	if (mxl_fail(ret))
-		goto fail;
-
-	switch ((val & V6_PARAM_FFT_MODE_MASK) >> 2) {
-	case 0:
-		*fft_mode = TRANSMISSION_MODE_2K;
-		break;
-	case 1:
-		*fft_mode = TRANSMISSION_MODE_8K;
-		break;
-	case 2:
-		*fft_mode = TRANSMISSION_MODE_4K;
-		break;
-	}
-fail:
-	return ret;
-}
-
-static
-int mxl1x1sf_demod_get_tps_guard_interval(struct mxl111sf_demod_state *state,
-					  fe_guard_interval_t *guard)
-{
-	u8 val;
-	int ret = mxl111sf_demod_read_reg(state, V6_CP_TPS_REG, &val);
-	/* 00:1/32, 01:1/16, 10:1/8, 11:1/4 */
-	if (mxl_fail(ret))
-		goto fail;
-
-	switch ((val & V6_PARAM_GI_MASK) >> 4) {
-	case 0:
-		*guard = GUARD_INTERVAL_1_32;
-		break;
-	case 1:
-		*guard = GUARD_INTERVAL_1_16;
-		break;
-	case 2:
-		*guard = GUARD_INTERVAL_1_8;
-		break;
-	case 3:
-		*guard = GUARD_INTERVAL_1_4;
-		break;
-	}
-fail:
-	return ret;
-}
-
-static
-int mxl1x1sf_demod_get_tps_hierarchy(struct mxl111sf_demod_state *state,
-				     fe_hierarchy_t *hierarchy)
-{
-	u8 val;
-	int ret = mxl111sf_demod_read_reg(state, V6_TPS_HIERACHY_REG, &val);
-	/* bit<6:4> - 000:Non hierarchy, 001:1, 010:2, 011:4 */
-	if (mxl_fail(ret))
-		goto fail;
-
-	switch ((val & V6_TPS_HIERARCHY_INFO_MASK) >> 6) {
-	case 0:
-		*hierarchy = HIERARCHY_NONE;
-		break;
-	case 1:
-		*hierarchy = HIERARCHY_1;
-		break;
-	case 2:
-		*hierarchy = HIERARCHY_2;
-		break;
-	case 3:
-		*hierarchy = HIERARCHY_4;
-		break;
-	}
-fail:
-	return ret;
-}
-
-/* ------------------------------------------------------------------------ */
-/* LOCKS */
-
-static
-int mxl1x1sf_demod_get_sync_lock_status(struct mxl111sf_demod_state *state,
-					int *sync_lock)
-{
-	u8 val = 0;
-	int ret = mxl111sf_demod_read_reg(state, V6_SYNC_LOCK_REG, &val);
-	if (mxl_fail(ret))
-		goto fail;
-	*sync_lock = (val & SYNC_LOCK_MASK) >> 4;
-fail:
-	return ret;
-}
-
-static
-int mxl1x1sf_demod_get_rs_lock_status(struct mxl111sf_demod_state *state,
-				      int *rs_lock)
-{
-	u8 val = 0;
-	int ret = mxl111sf_demod_read_reg(state, V6_RS_LOCK_DET_REG, &val);
-	if (mxl_fail(ret))
-		goto fail;
-	*rs_lock = (val & RS_LOCK_DET_MASK) >> 3;
-fail:
-	return ret;
-}
-
-static
-int mxl1x1sf_demod_get_tps_lock_status(struct mxl111sf_demod_state *state,
-				       int *tps_lock)
-{
-	u8 val = 0;
-	int ret = mxl111sf_demod_read_reg(state, V6_TPS_LOCK_REG, &val);
-	if (mxl_fail(ret))
-		goto fail;
-	*tps_lock = (val & V6_PARAM_TPS_LOCK_MASK) >> 6;
-fail:
-	return ret;
-}
-
-static
-int mxl1x1sf_demod_get_fec_lock_status(struct mxl111sf_demod_state *state,
-				       int *fec_lock)
-{
-	u8 val = 0;
-	int ret = mxl111sf_demod_read_reg(state, V6_IRQ_STATUS_REG, &val);
-	if (mxl_fail(ret))
-		goto fail;
-	*fec_lock = (val & IRQ_MASK_FEC_LOCK) >> 4;
-fail:
-	return ret;
-}
-
-#if 0
-static
-int mxl1x1sf_demod_get_cp_lock_status(struct mxl111sf_demod_state *state,
-				      int *cp_lock)
-{
-	u8 val = 0;
-	int ret = mxl111sf_demod_read_reg(state, V6_CP_LOCK_DET_REG, &val);
-	if (mxl_fail(ret))
-		goto fail;
-	*cp_lock = (val & V6_CP_LOCK_DET_MASK) >> 2;
-fail:
-	return ret;
-}
-#endif
-
-static int mxl1x1sf_demod_reset_irq_status(struct mxl111sf_demod_state *state)
-{
-	return mxl111sf_demod_write_reg(state, 0x0e, 0xff);
-}
-
-/* ------------------------------------------------------------------------ */
-
-static int mxl111sf_demod_set_frontend(struct dvb_frontend *fe)
-{
-	struct mxl111sf_demod_state *state = fe->demodulator_priv;
-	int ret = 0;
-
-	struct mxl111sf_reg_ctrl_info phy_pll_patch[] = {
-		{0x00, 0xff, 0x01}, /* change page to 1 */
-		{0x40, 0xff, 0x05},
-		{0x40, 0xff, 0x01},
-		{0x41, 0xff, 0xca},
-		{0x41, 0xff, 0xc0},
-		{0x00, 0xff, 0x00}, /* change page to 0 */
-		{0,    0,    0}
-	};
-
-	mxl_dbg("()");
-
-	if (fe->ops.tuner_ops.set_params) {
-		ret = fe->ops.tuner_ops.set_params(fe);
-		if (mxl_fail(ret))
-			goto fail;
-		msleep(50);
-	}
-	ret = mxl111sf_demod_program_regs(state, phy_pll_patch);
-	mxl_fail(ret);
-	msleep(50);
-	ret = mxl1x1sf_demod_reset_irq_status(state);
-	mxl_fail(ret);
-	msleep(100);
-fail:
-	return ret;
-}
-
-/* ------------------------------------------------------------------------ */
-
-#if 0
-/* resets TS Packet error count */
-/* After setting 7th bit of V5_PER_COUNT_RESET_REG, it should be reset to 0. */
-static
-int mxl1x1sf_demod_reset_packet_error_count(struct mxl111sf_demod_state *state)
-{
-	struct mxl111sf_reg_ctrl_info reset_per_count[] = {
-		{0x20, 0x01, 0x01},
-		{0x20, 0x01, 0x00},
-		{0,    0,    0}
-	};
-	return mxl111sf_demod_program_regs(state, reset_per_count);
-}
-#endif
-
-/* returns TS Packet error count */
-/* PER Count = FEC_PER_COUNT * (2 ** (FEC_PER_SCALE * 4)) */
-static int mxl111sf_demod_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
-{
-	struct mxl111sf_demod_state *state = fe->demodulator_priv;
-	u32 fec_per_count, fec_per_scale;
-	u8 val;
-	int ret;
-
-	*ucblocks = 0;
-
-	/* FEC_PER_COUNT Register */
-	ret = mxl111sf_demod_read_reg(state, V6_FEC_PER_COUNT_REG, &val);
-	if (mxl_fail(ret))
-		goto fail;
-
-	fec_per_count = val;
-
-	/* FEC_PER_SCALE Register */
-	ret = mxl111sf_demod_read_reg(state, V6_FEC_PER_SCALE_REG, &val);
-	if (mxl_fail(ret))
-		goto fail;
-
-	val &= V6_FEC_PER_SCALE_MASK;
-	val *= 4;
-
-	fec_per_scale = 1 << val;
-
-	fec_per_count *= fec_per_scale;
-
-	*ucblocks = fec_per_count;
-fail:
-	return ret;
-}
-
-#ifdef MXL111SF_DEMOD_ENABLE_CALCULATIONS
-/* FIXME: leaving this enabled breaks the build on some architectures,
- * and we shouldn't have any floating point math in the kernel, anyway.
- *
- * These macros need to be re-written, but it's harmless to simply
- * return zero for now. */
-#define CALCULATE_BER(avg_errors, count) \
-	((u32)(avg_errors * 4)/(count*64*188*8))
-#define CALCULATE_SNR(data) \
-	((u32)((10 * (u32)data / 64) - 2.5))
-#else
-#define CALCULATE_BER(avg_errors, count) 0
-#define CALCULATE_SNR(data) 0
-#endif
-
-static int mxl111sf_demod_read_ber(struct dvb_frontend *fe, u32 *ber)
-{
-	struct mxl111sf_demod_state *state = fe->demodulator_priv;
-	u8 val1, val2, val3;
-	int ret;
-
-	*ber = 0;
-
-	ret = mxl111sf_demod_read_reg(state, V6_RS_AVG_ERRORS_LSB_REG, &val1);
-	if (mxl_fail(ret))
-		goto fail;
-	ret = mxl111sf_demod_read_reg(state, V6_RS_AVG_ERRORS_MSB_REG, &val2);
-	if (mxl_fail(ret))
-		goto fail;
-	ret = mxl111sf_demod_read_reg(state, V6_N_ACCUMULATE_REG, &val3);
-	if (mxl_fail(ret))
-		goto fail;
-
-	*ber = CALCULATE_BER((val1 | (val2 << 8)), val3);
-fail:
-	return ret;
-}
-
-static int mxl111sf_demod_calc_snr(struct mxl111sf_demod_state *state,
-				   u16 *snr)
-{
-	u8 val1, val2;
-	int ret;
-
-	*snr = 0;
-
-	ret = mxl111sf_demod_read_reg(state, V6_SNR_RB_LSB_REG, &val1);
-	if (mxl_fail(ret))
-		goto fail;
-	ret = mxl111sf_demod_read_reg(state, V6_SNR_RB_MSB_REG, &val2);
-	if (mxl_fail(ret))
-		goto fail;
-
-	*snr = CALCULATE_SNR(val1 | ((val2 & 0x03) << 8));
-fail:
-	return ret;
-}
-
-static int mxl111sf_demod_read_snr(struct dvb_frontend *fe, u16 *snr)
-{
-	struct mxl111sf_demod_state *state = fe->demodulator_priv;
-
-	int ret = mxl111sf_demod_calc_snr(state, snr);
-	if (mxl_fail(ret))
-		goto fail;
-
-	*snr /= 10; /* 0.1 dB */
-fail:
-	return ret;
-}
-
-static int mxl111sf_demod_read_status(struct dvb_frontend *fe,
-				      fe_status_t *status)
-{
-	struct mxl111sf_demod_state *state = fe->demodulator_priv;
-	int ret, locked, cr_lock, sync_lock, fec_lock;
-
-	*status = 0;
-
-	ret = mxl1x1sf_demod_get_rs_lock_status(state, &locked);
-	if (mxl_fail(ret))
-		goto fail;
-	ret = mxl1x1sf_demod_get_tps_lock_status(state, &cr_lock);
-	if (mxl_fail(ret))
-		goto fail;
-	ret = mxl1x1sf_demod_get_sync_lock_status(state, &sync_lock);
-	if (mxl_fail(ret))
-		goto fail;
-	ret = mxl1x1sf_demod_get_fec_lock_status(state, &fec_lock);
-	if (mxl_fail(ret))
-		goto fail;
-
-	if (locked)
-		*status |= FE_HAS_SIGNAL;
-	if (cr_lock)
-		*status |= FE_HAS_CARRIER;
-	if (sync_lock)
-		*status |= FE_HAS_SYNC;
-	if (fec_lock) /* false positives? */
-		*status |= FE_HAS_VITERBI;
-
-	if ((locked) && (cr_lock) && (sync_lock))
-		*status |= FE_HAS_LOCK;
-fail:
-	return ret;
-}
-
-static int mxl111sf_demod_read_signal_strength(struct dvb_frontend *fe,
-					       u16 *signal_strength)
-{
-	struct mxl111sf_demod_state *state = fe->demodulator_priv;
-	fe_modulation_t modulation;
-	u16 snr;
-
-	mxl111sf_demod_calc_snr(state, &snr);
-	mxl1x1sf_demod_get_tps_modulation(state, &modulation);
-
-	switch (modulation) {
-	case QPSK:
-		*signal_strength = (snr >= 1300) ?
-			min(65535, snr * 44) : snr * 38;
-		break;
-	case QAM_16:
-		*signal_strength = (snr >= 1500) ?
-			min(65535, snr * 38) : snr * 33;
-		break;
-	case QAM_64:
-		*signal_strength = (snr >= 2000) ?
-			min(65535, snr * 29) : snr * 25;
-		break;
-	default:
-		*signal_strength = 0;
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int mxl111sf_demod_get_frontend(struct dvb_frontend *fe)
-{
-	struct dtv_frontend_properties *p = &fe->dtv_property_cache;
-	struct mxl111sf_demod_state *state = fe->demodulator_priv;
-
-	mxl_dbg("()");
-#if 0
-	p->inversion = /* FIXME */ ? INVERSION_ON : INVERSION_OFF;
-#endif
-	if (fe->ops.tuner_ops.get_bandwidth)
-		fe->ops.tuner_ops.get_bandwidth(fe, &p->bandwidth_hz);
-	if (fe->ops.tuner_ops.get_frequency)
-		fe->ops.tuner_ops.get_frequency(fe, &p->frequency);
-	mxl1x1sf_demod_get_tps_code_rate(state, &p->code_rate_HP);
-	mxl1x1sf_demod_get_tps_code_rate(state, &p->code_rate_LP);
-	mxl1x1sf_demod_get_tps_modulation(state, &p->modulation);
-	mxl1x1sf_demod_get_tps_guard_fft_mode(state,
-					      &p->transmission_mode);
-	mxl1x1sf_demod_get_tps_guard_interval(state,
-					      &p->guard_interval);
-	mxl1x1sf_demod_get_tps_hierarchy(state,
-					 &p->hierarchy);
-
-	return 0;
-}
-
-static
-int mxl111sf_demod_get_tune_settings(struct dvb_frontend *fe,
-				     struct dvb_frontend_tune_settings *tune)
-{
-	tune->min_delay_ms = 1000;
-	return 0;
-}
-
-static void mxl111sf_demod_release(struct dvb_frontend *fe)
-{
-	struct mxl111sf_demod_state *state = fe->demodulator_priv;
-	mxl_dbg("()");
-	kfree(state);
-	fe->demodulator_priv = NULL;
-}
-
-static struct dvb_frontend_ops mxl111sf_demod_ops = {
-	.delsys = { SYS_DVBT },
-	.info = {
-		.name               = "MaxLinear MxL111SF DVB-T demodulator",
-		.frequency_min      = 177000000,
-		.frequency_max      = 858000000,
-		.frequency_stepsize = 166666,
-		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
-			FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
-			FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
-			FE_CAN_QAM_AUTO |
-			FE_CAN_HIERARCHY_AUTO | FE_CAN_GUARD_INTERVAL_AUTO |
-			FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER
-	},
-	.release              = mxl111sf_demod_release,
-#if 0
-	.init                 = mxl111sf_init,
-	.i2c_gate_ctrl        = mxl111sf_i2c_gate_ctrl,
-#endif
-	.set_frontend         = mxl111sf_demod_set_frontend,
-	.get_frontend         = mxl111sf_demod_get_frontend,
-	.get_tune_settings    = mxl111sf_demod_get_tune_settings,
-	.read_status          = mxl111sf_demod_read_status,
-	.read_signal_strength = mxl111sf_demod_read_signal_strength,
-	.read_ber             = mxl111sf_demod_read_ber,
-	.read_snr             = mxl111sf_demod_read_snr,
-	.read_ucblocks        = mxl111sf_demod_read_ucblocks,
-};
-
-struct dvb_frontend *mxl111sf_demod_attach(struct mxl111sf_state *mxl_state,
-					   struct mxl111sf_demod_config *cfg)
-{
-	struct mxl111sf_demod_state *state = NULL;
-
-	mxl_dbg("()");
-
-	state = kzalloc(sizeof(struct mxl111sf_demod_state), GFP_KERNEL);
-	if (state == NULL)
-		return NULL;
-
-	state->mxl_state = mxl_state;
-	state->cfg = cfg;
-
-	memcpy(&state->fe.ops, &mxl111sf_demod_ops,
-	       sizeof(struct dvb_frontend_ops));
-
-	state->fe.demodulator_priv = state;
-	return &state->fe;
-}
-EXPORT_SYMBOL_GPL(mxl111sf_demod_attach);
-
-MODULE_DESCRIPTION("MaxLinear MxL111SF DVB-T demodulator driver");
-MODULE_AUTHOR("Michael Krufky <mkrufky@kernellabs.com>");
-MODULE_LICENSE("GPL");
-MODULE_VERSION("0.1");
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */