338 строки
8.5 KiB
C
338 строки
8.5 KiB
C
/*
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* mxl111sf-phy.c - driver for the MaxLinear MXL111SF
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*
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* Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "mxl111sf-phy.h"
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#include "mxl111sf-reg.h"
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int mxl111sf_init_tuner_demod(struct mxl111sf_state *state)
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{
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struct mxl111sf_reg_ctrl_info mxl_111_overwrite_default[] = {
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{0x07, 0xff, 0x0c},
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{0x58, 0xff, 0x9d},
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{0x09, 0xff, 0x00},
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{0x06, 0xff, 0x06},
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{0xc8, 0xff, 0x40}, /* ED_LE_WIN_OLD = 0 */
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{0x8d, 0x01, 0x01}, /* NEGATE_Q */
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{0x32, 0xff, 0xac}, /* DIG_RFREFSELECT = 12 */
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{0x42, 0xff, 0x43}, /* DIG_REG_AMP = 4 */
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{0x74, 0xff, 0xc4}, /* SSPUR_FS_PRIO = 4 */
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{0x71, 0xff, 0xe6}, /* SPUR_ROT_PRIO_VAL = 1 */
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{0x83, 0xff, 0x64}, /* INF_FILT1_THD_SC = 100 */
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{0x85, 0xff, 0x64}, /* INF_FILT2_THD_SC = 100 */
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{0x88, 0xff, 0xf0}, /* INF_THD = 240 */
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{0x6f, 0xf0, 0xb0}, /* DFE_DLY = 11 */
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{0x00, 0xff, 0x01}, /* Change to page 1 */
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{0x81, 0xff, 0x11}, /* DSM_FERR_BYPASS = 1 */
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{0xf4, 0xff, 0x07}, /* DIG_FREQ_CORR = 1 */
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{0xd4, 0x1f, 0x0f}, /* SPUR_TEST_NOISE_TH = 15 */
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{0xd6, 0xff, 0x0c}, /* SPUR_TEST_NOISE_PAPR = 12 */
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{0x00, 0xff, 0x00}, /* Change to page 0 */
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{0, 0, 0}
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};
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mxl_debug("()");
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return mxl111sf_ctrl_program_regs(state, mxl_111_overwrite_default);
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}
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int mxl1x1sf_soft_reset(struct mxl111sf_state *state)
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{
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int ret;
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mxl_debug("()");
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ret = mxl111sf_write_reg(state, 0xff, 0x00); /* AIC */
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if (mxl_fail(ret))
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goto fail;
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ret = mxl111sf_write_reg(state, 0x02, 0x01); /* get out of reset */
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mxl_fail(ret);
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fail:
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return ret;
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}
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int mxl1x1sf_set_device_mode(struct mxl111sf_state *state, int mode)
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{
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int ret;
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mxl_debug("(%s)", MXL_SOC_MODE == mode ?
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"MXL_SOC_MODE" : "MXL_TUNER_MODE");
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/* set device mode */
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ret = mxl111sf_write_reg(state, 0x03,
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MXL_SOC_MODE == mode ? 0x01 : 0x00);
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if (mxl_fail(ret))
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goto fail;
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ret = mxl111sf_write_reg_mask(state,
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0x7d, 0x40, MXL_SOC_MODE == mode ?
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0x00 : /* enable impulse noise filter,
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INF_BYP = 0 */
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0x40); /* disable impulse noise filter,
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INF_BYP = 1 */
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if (mxl_fail(ret))
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goto fail;
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state->device_mode = mode;
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fail:
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return ret;
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}
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/* power up tuner */
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int mxl1x1sf_top_master_ctrl(struct mxl111sf_state *state, int onoff)
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{
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mxl_debug("(%d)", onoff);
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return mxl111sf_write_reg(state, 0x01, onoff ? 0x01 : 0x00);
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}
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int mxl111sf_disable_656_port(struct mxl111sf_state *state)
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{
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mxl_debug("()");
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return mxl111sf_write_reg_mask(state, 0x12, 0x04, 0x00);
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}
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int mxl111sf_enable_usb_output(struct mxl111sf_state *state)
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{
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mxl_debug("()");
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return mxl111sf_write_reg_mask(state, 0x17, 0x40, 0x00);
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}
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/* initialize TSIF as input port of MxL1X1SF for MPEG2 data transfer */
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int mxl111sf_config_mpeg_in(struct mxl111sf_state *state,
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unsigned int parallel_serial,
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unsigned int msb_lsb_1st,
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unsigned int clock_phase,
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unsigned int mpeg_valid_pol,
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unsigned int mpeg_sync_pol)
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{
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int ret;
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u8 mode, tmp;
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mxl_debug("(%u,%u,%u,%u,%u)", parallel_serial, msb_lsb_1st,
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clock_phase, mpeg_valid_pol, mpeg_sync_pol);
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/* Enable PIN MUX */
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ret = mxl111sf_write_reg(state, V6_PIN_MUX_MODE_REG, V6_ENABLE_PIN_MUX);
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mxl_fail(ret);
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/* Configure MPEG Clock phase */
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mxl111sf_read_reg(state, V6_MPEG_IN_CLK_INV_REG, &mode);
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if (clock_phase == TSIF_NORMAL)
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mode &= ~V6_INVERTED_CLK_PHASE;
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else
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mode |= V6_INVERTED_CLK_PHASE;
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ret = mxl111sf_write_reg(state, V6_MPEG_IN_CLK_INV_REG, mode);
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mxl_fail(ret);
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/* Configure data input mode, MPEG Valid polarity, MPEG Sync polarity
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* Get current configuration */
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ret = mxl111sf_read_reg(state, V6_MPEG_IN_CTRL_REG, &mode);
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mxl_fail(ret);
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/* Data Input mode */
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if (parallel_serial == TSIF_INPUT_PARALLEL) {
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/* Disable serial mode */
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mode &= ~V6_MPEG_IN_DATA_SERIAL;
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/* Enable Parallel mode */
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mode |= V6_MPEG_IN_DATA_PARALLEL;
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} else {
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/* Disable Parallel mode */
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mode &= ~V6_MPEG_IN_DATA_PARALLEL;
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/* Enable Serial Mode */
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mode |= V6_MPEG_IN_DATA_SERIAL;
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/* If serial interface is chosen, configure
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MSB or LSB order in transmission */
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ret = mxl111sf_read_reg(state,
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V6_MPEG_INOUT_BIT_ORDER_CTRL_REG,
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&tmp);
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mxl_fail(ret);
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if (msb_lsb_1st == MPEG_SER_MSB_FIRST_ENABLED)
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tmp |= V6_MPEG_SER_MSB_FIRST;
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else
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tmp &= ~V6_MPEG_SER_MSB_FIRST;
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ret = mxl111sf_write_reg(state,
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V6_MPEG_INOUT_BIT_ORDER_CTRL_REG,
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tmp);
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mxl_fail(ret);
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}
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/* MPEG Sync polarity */
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if (mpeg_sync_pol == TSIF_NORMAL)
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mode &= ~V6_INVERTED_MPEG_SYNC;
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else
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mode |= V6_INVERTED_MPEG_SYNC;
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/* MPEG Valid polarity */
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if (mpeg_valid_pol == 0)
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mode &= ~V6_INVERTED_MPEG_VALID;
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else
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mode |= V6_INVERTED_MPEG_VALID;
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ret = mxl111sf_write_reg(state, V6_MPEG_IN_CTRL_REG, mode);
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mxl_fail(ret);
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return ret;
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}
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int mxl111sf_init_i2s_port(struct mxl111sf_state *state, u8 sample_size)
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{
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static struct mxl111sf_reg_ctrl_info init_i2s[] = {
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{0x1b, 0xff, 0x1e}, /* pin mux mode, Choose 656/I2S input */
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{0x15, 0x60, 0x60}, /* Enable I2S */
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{0x17, 0xe0, 0x20}, /* Input, MPEG MODE USB,
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Inverted 656 Clock, I2S_SOFT_RESET,
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0 : Normal operation, 1 : Reset State */
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#if 0
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{0x12, 0x01, 0x00}, /* AUDIO_IRQ_CLR (Overflow Indicator) */
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#endif
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{0x00, 0xff, 0x02}, /* Change to Control Page */
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{0x26, 0x0d, 0x0d}, /* I2S_MODE & BT656_SRC_SEL for FPGA only */
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{0x00, 0xff, 0x00},
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{0, 0, 0}
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};
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int ret;
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mxl_debug("(0x%02x)", sample_size);
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ret = mxl111sf_ctrl_program_regs(state, init_i2s);
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if (mxl_fail(ret))
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goto fail;
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ret = mxl111sf_write_reg(state, V6_I2S_NUM_SAMPLES_REG, sample_size);
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mxl_fail(ret);
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fail:
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return ret;
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}
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int mxl111sf_disable_i2s_port(struct mxl111sf_state *state)
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{
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static struct mxl111sf_reg_ctrl_info disable_i2s[] = {
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{0x15, 0x40, 0x00},
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{0, 0, 0}
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};
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mxl_debug("()");
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return mxl111sf_ctrl_program_regs(state, disable_i2s);
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}
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int mxl111sf_config_i2s(struct mxl111sf_state *state,
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u8 msb_start_pos, u8 data_width)
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{
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int ret;
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u8 tmp;
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mxl_debug("(0x%02x, 0x%02x)", msb_start_pos, data_width);
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ret = mxl111sf_read_reg(state, V6_I2S_STREAM_START_BIT_REG, &tmp);
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if (mxl_fail(ret))
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goto fail;
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tmp &= 0xe0;
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tmp |= msb_start_pos;
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ret = mxl111sf_write_reg(state, V6_I2S_STREAM_START_BIT_REG, tmp);
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if (mxl_fail(ret))
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goto fail;
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ret = mxl111sf_read_reg(state, V6_I2S_STREAM_END_BIT_REG, &tmp);
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if (mxl_fail(ret))
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goto fail;
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tmp &= 0xe0;
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tmp |= data_width;
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ret = mxl111sf_write_reg(state, V6_I2S_STREAM_END_BIT_REG, tmp);
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mxl_fail(ret);
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fail:
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return ret;
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}
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int mxl111sf_config_spi(struct mxl111sf_state *state, int onoff)
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{
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u8 val;
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int ret;
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mxl_debug("(%d)", onoff);
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ret = mxl111sf_write_reg(state, 0x00, 0x02);
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if (mxl_fail(ret))
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goto fail;
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ret = mxl111sf_read_reg(state, V8_SPI_MODE_REG, &val);
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if (mxl_fail(ret))
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goto fail;
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if (onoff)
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val |= 0x04;
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else
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val &= ~0x04;
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ret = mxl111sf_write_reg(state, V8_SPI_MODE_REG, val);
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if (mxl_fail(ret))
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goto fail;
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ret = mxl111sf_write_reg(state, 0x00, 0x00);
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mxl_fail(ret);
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fail:
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return ret;
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}
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int mxl111sf_idac_config(struct mxl111sf_state *state,
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u8 control_mode, u8 current_setting,
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u8 current_value, u8 hysteresis_value)
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{
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int ret;
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u8 val;
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/* current value will be set for both automatic & manual IDAC control */
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val = current_value;
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if (control_mode == IDAC_MANUAL_CONTROL) {
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/* enable manual control of IDAC */
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val |= IDAC_MANUAL_CONTROL_BIT_MASK;
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if (current_setting == IDAC_CURRENT_SINKING_ENABLE)
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/* enable current sinking in manual mode */
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val |= IDAC_CURRENT_SINKING_BIT_MASK;
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else
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/* disable current sinking in manual mode */
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val &= ~IDAC_CURRENT_SINKING_BIT_MASK;
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} else {
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/* disable manual control of IDAC */
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val &= ~IDAC_MANUAL_CONTROL_BIT_MASK;
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/* set hysteresis value reg: 0x0B<5:0> */
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ret = mxl111sf_write_reg(state, V6_IDAC_HYSTERESIS_REG,
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(hysteresis_value & 0x3F));
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mxl_fail(ret);
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}
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ret = mxl111sf_write_reg(state, V6_IDAC_SETTINGS_REG, val);
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mxl_fail(ret);
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return ret;
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}
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