diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/mxl111sf-phy.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/mxl111sf-phy.c | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/mxl111sf-phy.c b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c new file mode 100644 index 000000000000..91dc1fc2825b --- /dev/null +++ b/drivers/media/dvb/dvb-usb/mxl111sf-phy.c @@ -0,0 +1,342 @@ +/* + * mxl111sf-phy.c - driver for the MaxLinear MXL111SF + * + * 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-phy.h" +#include "mxl111sf-reg.h" + +int mxl111sf_init_tuner_demod(struct mxl111sf_state *state) +{ + struct mxl111sf_reg_ctrl_info mxl_111_overwrite_default[] = { + {0x07, 0xff, 0x0c}, + {0x58, 0xff, 0x9d}, + {0x09, 0xff, 0x00}, + {0x06, 0xff, 0x06}, + {0xc8, 0xff, 0x40}, /* ED_LE_WIN_OLD = 0 */ + {0x8d, 0x01, 0x01}, /* NEGATE_Q */ + {0x32, 0xff, 0xac}, /* DIG_RFREFSELECT = 12 */ + {0x42, 0xff, 0x43}, /* DIG_REG_AMP = 4 */ + {0x74, 0xff, 0xc4}, /* SSPUR_FS_PRIO = 4 */ + {0x71, 0xff, 0xe6}, /* SPUR_ROT_PRIO_VAL = 1 */ + {0x83, 0xff, 0x64}, /* INF_FILT1_THD_SC = 100 */ + {0x85, 0xff, 0x64}, /* INF_FILT2_THD_SC = 100 */ + {0x88, 0xff, 0xf0}, /* INF_THD = 240 */ + {0x6f, 0xf0, 0xb0}, /* DFE_DLY = 11 */ + {0x00, 0xff, 0x01}, /* Change to page 1 */ + {0x81, 0xff, 0x11}, /* DSM_FERR_BYPASS = 1 */ + {0xf4, 0xff, 0x07}, /* DIG_FREQ_CORR = 1 */ + {0xd4, 0x1f, 0x0f}, /* SPUR_TEST_NOISE_TH = 15 */ + {0xd6, 0xff, 0x0c}, /* SPUR_TEST_NOISE_PAPR = 12 */ + {0x00, 0xff, 0x00}, /* Change to page 0 */ + {0, 0, 0} + }; + + mxl_debug("()"); + + return mxl111sf_ctrl_program_regs(state, mxl_111_overwrite_default); +} + +int mxl1x1sf_soft_reset(struct mxl111sf_state *state) +{ + int ret; + mxl_debug("()"); + + ret = mxl111sf_write_reg(state, 0xff, 0x00); /* AIC */ + if (mxl_fail(ret)) + goto fail; + ret = mxl111sf_write_reg(state, 0x02, 0x01); /* get out of reset */ + mxl_fail(ret); +fail: + return ret; +} + +int mxl1x1sf_set_device_mode(struct mxl111sf_state *state, int mode) +{ + int ret; + + mxl_debug("(%s)", MXL_SOC_MODE == mode ? + "MXL_SOC_MODE" : "MXL_TUNER_MODE"); + + /* set device mode */ + ret = mxl111sf_write_reg(state, 0x03, + MXL_SOC_MODE == mode ? 0x01 : 0x00); + if (mxl_fail(ret)) + goto fail; + + ret = mxl111sf_write_reg_mask(state, + 0x7d, 0x40, MXL_SOC_MODE == mode ? + 0x00 : /* enable impulse noise filter, + INF_BYP = 0 */ + 0x40); /* disable impulse noise filter, + INF_BYP = 1 */ + if (mxl_fail(ret)) + goto fail; + + state->device_mode = mode; +fail: + return ret; +} + +/* power up tuner */ +int mxl1x1sf_top_master_ctrl(struct mxl111sf_state *state, int onoff) +{ + mxl_debug("(%d)", onoff); + + return mxl111sf_write_reg(state, 0x01, onoff ? 0x01 : 0x00); +} + +int mxl111sf_disable_656_port(struct mxl111sf_state *state) +{ + mxl_debug("()"); + + return mxl111sf_write_reg_mask(state, 0x12, 0x04, 0x00); +} + +int mxl111sf_enable_usb_output(struct mxl111sf_state *state) +{ + mxl_debug("()"); + + return mxl111sf_write_reg_mask(state, 0x17, 0x40, 0x00); +} + +/* initialize TSIF as input port of MxL1X1SF for MPEG2 data transfer */ +int mxl111sf_config_mpeg_in(struct mxl111sf_state *state, + unsigned int parallel_serial, + unsigned int msb_lsb_1st, + unsigned int clock_phase, + unsigned int mpeg_valid_pol, + unsigned int mpeg_sync_pol) +{ + int ret; + u8 mode, tmp; + + mxl_debug("(%u,%u,%u,%u,%u)", parallel_serial, msb_lsb_1st, + clock_phase, mpeg_valid_pol, mpeg_sync_pol); + + /* Enable PIN MUX */ + ret = mxl111sf_write_reg(state, V6_PIN_MUX_MODE_REG, V6_ENABLE_PIN_MUX); + mxl_fail(ret); + + /* Configure MPEG Clock phase */ + mxl111sf_read_reg(state, V6_MPEG_IN_CLK_INV_REG, &mode); + + if (clock_phase == TSIF_NORMAL) + mode &= ~V6_INVERTED_CLK_PHASE; + else + mode |= V6_INVERTED_CLK_PHASE; + + ret = mxl111sf_write_reg(state, V6_MPEG_IN_CLK_INV_REG, mode); + mxl_fail(ret); + + /* Configure data input mode, MPEG Valid polarity, MPEG Sync polarity + * Get current configuration */ + ret = mxl111sf_read_reg(state, V6_MPEG_IN_CTRL_REG, &mode); + mxl_fail(ret); + + /* Data Input mode */ + if (parallel_serial == TSIF_INPUT_PARALLEL) { + /* Disable serial mode */ + mode &= ~V6_MPEG_IN_DATA_SERIAL; + + /* Enable Parallel mode */ + mode |= V6_MPEG_IN_DATA_PARALLEL; + } else { + /* Disable Parallel mode */ + mode &= ~V6_MPEG_IN_DATA_PARALLEL; + + /* Enable Serial Mode */ + mode |= V6_MPEG_IN_DATA_SERIAL; + + /* If serial interface is chosen, configure + MSB or LSB order in transmission */ + ret = mxl111sf_read_reg(state, + V6_MPEG_INOUT_BIT_ORDER_CTRL_REG, + &tmp); + mxl_fail(ret); + + if (msb_lsb_1st == MPEG_SER_MSB_FIRST_ENABLED) + tmp |= V6_MPEG_SER_MSB_FIRST; + else + tmp &= ~V6_MPEG_SER_MSB_FIRST; + + ret = mxl111sf_write_reg(state, + V6_MPEG_INOUT_BIT_ORDER_CTRL_REG, + tmp); + mxl_fail(ret); + } + + /* MPEG Sync polarity */ + if (mpeg_sync_pol == TSIF_NORMAL) + mode &= ~V6_INVERTED_MPEG_SYNC; + else + mode |= V6_INVERTED_MPEG_SYNC; + + /* MPEG Valid polarity */ + if (mpeg_valid_pol == 0) + mode &= ~V6_INVERTED_MPEG_VALID; + else + mode |= V6_INVERTED_MPEG_VALID; + + ret = mxl111sf_write_reg(state, V6_MPEG_IN_CTRL_REG, mode); + mxl_fail(ret); + + return ret; +} + +int mxl111sf_init_i2s_port(struct mxl111sf_state *state, u8 sample_size) +{ + static struct mxl111sf_reg_ctrl_info init_i2s[] = { + {0x1b, 0xff, 0x1e}, /* pin mux mode, Choose 656/I2S input */ + {0x15, 0x60, 0x60}, /* Enable I2S */ + {0x17, 0xe0, 0x20}, /* Input, MPEG MODE USB, + Inverted 656 Clock, I2S_SOFT_RESET, + 0 : Normal operation, 1 : Reset State */ +#if 0 + {0x12, 0x01, 0x00}, /* AUDIO_IRQ_CLR (Overflow Indicator) */ +#endif + {0x00, 0xff, 0x02}, /* Change to Control Page */ + {0x26, 0x0d, 0x0d}, /* I2S_MODE & BT656_SRC_SEL for FPGA only */ + {0x00, 0xff, 0x00}, + {0, 0, 0} + }; + int ret; + + mxl_debug("(0x%02x)", sample_size); + + ret = mxl111sf_ctrl_program_regs(state, init_i2s); + if (mxl_fail(ret)) + goto fail; + + ret = mxl111sf_write_reg(state, V6_I2S_NUM_SAMPLES_REG, sample_size); + mxl_fail(ret); +fail: + return ret; +} + +int mxl111sf_disable_i2s_port(struct mxl111sf_state *state) +{ + static struct mxl111sf_reg_ctrl_info disable_i2s[] = { + {0x15, 0x40, 0x00}, + {0, 0, 0} + }; + + mxl_debug("()"); + + return mxl111sf_ctrl_program_regs(state, disable_i2s); +} + +int mxl111sf_config_i2s(struct mxl111sf_state *state, + u8 msb_start_pos, u8 data_width) +{ + int ret; + u8 tmp; + + mxl_debug("(0x%02x, 0x%02x)", msb_start_pos, data_width); + + ret = mxl111sf_read_reg(state, V6_I2S_STREAM_START_BIT_REG, &tmp); + if (mxl_fail(ret)) + goto fail; + + tmp &= 0xe0; + tmp |= msb_start_pos; + ret = mxl111sf_write_reg(state, V6_I2S_STREAM_START_BIT_REG, tmp); + if (mxl_fail(ret)) + goto fail; + + ret = mxl111sf_read_reg(state, V6_I2S_STREAM_END_BIT_REG, &tmp); + if (mxl_fail(ret)) + goto fail; + + tmp &= 0xe0; + tmp |= data_width; + ret = mxl111sf_write_reg(state, V6_I2S_STREAM_END_BIT_REG, tmp); + mxl_fail(ret); +fail: + return ret; +} + +int mxl111sf_config_spi(struct mxl111sf_state *state, int onoff) +{ + u8 val; + int ret; + + mxl_debug("(%d)", onoff); + + ret = mxl111sf_write_reg(state, 0x00, 0x02); + if (mxl_fail(ret)) + goto fail; + + ret = mxl111sf_read_reg(state, V8_SPI_MODE_REG, &val); + if (mxl_fail(ret)) + goto fail; + + if (onoff) + val |= 0x04; + else + val &= ~0x04; + + ret = mxl111sf_write_reg(state, V8_SPI_MODE_REG, val); + if (mxl_fail(ret)) + goto fail; + + ret = mxl111sf_write_reg(state, 0x00, 0x00); + if (mxl_fail(ret)) + goto fail; +fail: + return ret; +} + +int mxl111sf_idac_config(struct mxl111sf_state *state, + u8 control_mode, u8 current_setting, + u8 current_value, u8 hysteresis_value) +{ + int ret; + u8 val; + /* current value will be set for both automatic & manual IDAC control */ + val = current_value; + + if (control_mode == IDAC_MANUAL_CONTROL) { + /* enable manual control of IDAC */ + val |= IDAC_MANUAL_CONTROL_BIT_MASK; + + if (current_setting == IDAC_CURRENT_SINKING_ENABLE) + /* enable current sinking in manual mode */ + val |= IDAC_CURRENT_SINKING_BIT_MASK; + else + /* disable current sinking in manual mode */ + val &= ~IDAC_CURRENT_SINKING_BIT_MASK; + } else { + /* disable manual control of IDAC */ + val &= ~IDAC_MANUAL_CONTROL_BIT_MASK; + + /* set hysteresis value reg: 0x0B<5:0> */ + ret = mxl111sf_write_reg(state, V6_IDAC_HYSTERESIS_REG, + (hysteresis_value & 0x3F)); + } + + ret = mxl111sf_write_reg(state, V6_IDAC_SETTINGS_REG, val); + + return val; +} + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ |