diff options
Diffstat (limited to 'drivers/media/common/tuners')
28 files changed, 2983 insertions, 474 deletions
diff --git a/drivers/media/common/tuners/Kconfig b/drivers/media/common/tuners/Kconfig index 996302ae210..4a6d5cef396 100644 --- a/drivers/media/common/tuners/Kconfig +++ b/drivers/media/common/tuners/Kconfig @@ -26,7 +26,7 @@ config MEDIA_TUNER select MEDIA_TUNER_XC4000 if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_MT20XX if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_TDA8290 if !MEDIA_TUNER_CUSTOMISE - select MEDIA_TUNER_TEA5761 if !MEDIA_TUNER_CUSTOMISE + select MEDIA_TUNER_TEA5761 if !MEDIA_TUNER_CUSTOMISE && EXPERIMENTAL select MEDIA_TUNER_TEA5767 if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_SIMPLE if !MEDIA_TUNER_CUSTOMISE select MEDIA_TUNER_TDA9887 if !MEDIA_TUNER_CUSTOMISE @@ -116,6 +116,13 @@ config MEDIA_TUNER_MT2060 help A driver for the silicon IF tuner MT2060 from Microtune. +config MEDIA_TUNER_MT2063 + tristate "Microtune MT2063 silicon IF tuner" + depends on VIDEO_MEDIA && I2C + default m if MEDIA_TUNER_CUSTOMISE + help + A driver for the silicon IF tuner MT2063 from Microtune. + config MEDIA_TUNER_MT2266 tristate "Microtune MT2266 silicon tuner" depends on VIDEO_MEDIA && I2C diff --git a/drivers/media/common/tuners/Makefile b/drivers/media/common/tuners/Makefile index 196c12a55f9..8295854ab94 100644 --- a/drivers/media/common/tuners/Makefile +++ b/drivers/media/common/tuners/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_MEDIA_TUNER_TDA18271) += tda18271.o obj-$(CONFIG_MEDIA_TUNER_XC5000) += xc5000.o obj-$(CONFIG_MEDIA_TUNER_XC4000) += xc4000.o obj-$(CONFIG_MEDIA_TUNER_MT2060) += mt2060.o +obj-$(CONFIG_MEDIA_TUNER_MT2063) += mt2063.o obj-$(CONFIG_MEDIA_TUNER_MT2266) += mt2266.o obj-$(CONFIG_MEDIA_TUNER_QT1010) += qt1010.o obj-$(CONFIG_MEDIA_TUNER_MT2131) += mt2131.o diff --git a/drivers/media/common/tuners/max2165.c b/drivers/media/common/tuners/max2165.c index 9883617b786..cb2c98fbad1 100644 --- a/drivers/media/common/tuners/max2165.c +++ b/drivers/media/common/tuners/max2165.c @@ -151,7 +151,7 @@ static int max2165_set_bandwidth(struct max2165_priv *priv, u32 bw) { u8 val; - if (bw == BANDWIDTH_8_MHZ) + if (bw == 8000000) val = priv->bb_filter_8mhz_cfg; else val = priv->bb_filter_7mhz_cfg; @@ -257,39 +257,28 @@ static void max2165_debug_status(struct max2165_priv *priv) dprintk("VCO: %d, VCO Sub-band: %d, ADC: %d\n", vco, vco_sub_band, adc); } -static int max2165_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int max2165_set_params(struct dvb_frontend *fe) { struct max2165_priv *priv = fe->tuner_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret; - dprintk("%s() frequency=%d (Hz)\n", __func__, params->frequency); - if (fe->ops.info.type == FE_ATSC) { - return -EINVAL; - } else if (fe->ops.info.type == FE_OFDM) { - dprintk("%s() OFDM\n", __func__); - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: - return -EINVAL; - case BANDWIDTH_7_MHZ: - case BANDWIDTH_8_MHZ: - priv->frequency = params->frequency; - priv->bandwidth = params->u.ofdm.bandwidth; - break; - default: - printk(KERN_ERR "MAX2165 bandwidth not set!\n"); - return -EINVAL; - } - } else { - printk(KERN_ERR "MAX2165 modulation type not supported!\n"); + switch (c->bandwidth_hz) { + case 7000000: + case 8000000: + priv->frequency = c->frequency; + break; + default: + printk(KERN_INFO "MAX2165: bandwidth %d Hz not supported.\n", + c->bandwidth_hz); return -EINVAL; } - dprintk("%s() frequency=%d\n", __func__, priv->frequency); + dprintk("%s() frequency=%d\n", __func__, c->frequency); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); - max2165_set_bandwidth(priv, priv->bandwidth); + max2165_set_bandwidth(priv, c->bandwidth_hz); ret = max2165_set_rf(priv, priv->frequency); mdelay(50); max2165_debug_status(priv); @@ -370,7 +359,7 @@ static int max2165_init(struct dvb_frontend *fe) max2165_read_rom_table(priv); - max2165_set_bandwidth(priv, BANDWIDTH_8_MHZ); + max2165_set_bandwidth(priv, 8000000); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); diff --git a/drivers/media/common/tuners/mc44s803.c b/drivers/media/common/tuners/mc44s803.c index fe5c4b8d83e..5ddce7e326f 100644 --- a/drivers/media/common/tuners/mc44s803.c +++ b/drivers/media/common/tuners/mc44s803.c @@ -214,22 +214,22 @@ exit: return err; } -static int mc44s803_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int mc44s803_set_params(struct dvb_frontend *fe) { struct mc44s803_priv *priv = fe->tuner_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; u32 r1, r2, n1, n2, lo1, lo2, freq, val; int err; - priv->frequency = params->frequency; + priv->frequency = c->frequency; r1 = MC44S803_OSC / 1000000; r2 = MC44S803_OSC / 100000; - n1 = (params->frequency + MC44S803_IF1 + 500000) / 1000000; + n1 = (c->frequency + MC44S803_IF1 + 500000) / 1000000; freq = MC44S803_OSC / r1 * n1; lo1 = ((60 * n1) + (r1 / 2)) / r1; - freq = freq - params->frequency; + freq = freq - c->frequency; n2 = (freq - MC44S803_IF2 + 50000) / 100000; lo2 = ((60 * n2) + (r2 / 2)) / r2; diff --git a/drivers/media/common/tuners/mt2060.c b/drivers/media/common/tuners/mt2060.c index 2d0e7689c6a..13381de58a8 100644 --- a/drivers/media/common/tuners/mt2060.c +++ b/drivers/media/common/tuners/mt2060.c @@ -153,8 +153,9 @@ static int mt2060_spurcheck(u32 lo1,u32 lo2,u32 if2) #define IF2 36150 // IF2 frequency = 36.150 MHz #define FREF 16000 // Quartz oscillator 16 MHz -static int mt2060_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +static int mt2060_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct mt2060_priv *priv; int ret=0; int i=0; @@ -176,8 +177,7 @@ static int mt2060_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame mt2060_writeregs(priv,b,2); - freq = params->frequency / 1000; // Hz -> kHz - priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; + freq = c->frequency / 1000; /* Hz -> kHz */ f_lo1 = freq + if1 * 1000; f_lo1 = (f_lo1 / 250) * 250; @@ -293,10 +293,9 @@ static int mt2060_get_frequency(struct dvb_frontend *fe, u32 *frequency) return 0; } -static int mt2060_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) +static int mt2060_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) { - struct mt2060_priv *priv = fe->tuner_priv; - *bandwidth = priv->bandwidth; + *frequency = IF2 * 1000; return 0; } @@ -356,7 +355,7 @@ static const struct dvb_tuner_ops mt2060_tuner_ops = { .set_params = mt2060_set_params, .get_frequency = mt2060_get_frequency, - .get_bandwidth = mt2060_get_bandwidth + .get_if_frequency = mt2060_get_if_frequency, }; /* This functions tries to identify a MT2060 tuner by reading the PART/REV register. This is hasty. */ diff --git a/drivers/media/common/tuners/mt2060_priv.h b/drivers/media/common/tuners/mt2060_priv.h index 5eaccdefd0b..2b60de6c707 100644 --- a/drivers/media/common/tuners/mt2060_priv.h +++ b/drivers/media/common/tuners/mt2060_priv.h @@ -97,7 +97,6 @@ struct mt2060_priv { struct i2c_adapter *i2c; u32 frequency; - u32 bandwidth; u16 if1_freq; u8 fmfreq; }; diff --git a/drivers/media/common/tuners/mt2063.c b/drivers/media/common/tuners/mt2063.c new file mode 100644 index 00000000000..c89af3cd5eb --- /dev/null +++ b/drivers/media/common/tuners/mt2063.c @@ -0,0 +1,2307 @@ +/* + * Driver for mt2063 Micronas tuner + * + * Copyright (c) 2011 Mauro Carvalho Chehab <mchehab@redhat.com> + * + * This driver came from a driver originally written by: + * Henry Wang <Henry.wang@AzureWave.com> + * Made publicly available by Terratec, at: + * http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz + * The original driver's license is GPL, as declared with MODULE_LICENSE() + * + * 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 under version 2 of the License. + * + * 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. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/videodev2.h> + +#include "mt2063.h" + +static unsigned int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Set Verbosity level"); + +#define dprintk(level, fmt, arg...) do { \ +if (debug >= level) \ + printk(KERN_DEBUG "mt2063 %s: " fmt, __func__, ## arg); \ +} while (0) + + +/* positive error codes used internally */ + +/* Info: Unavoidable LO-related spur may be present in the output */ +#define MT2063_SPUR_PRESENT_ERR (0x00800000) + +/* Info: Mask of bits used for # of LO-related spurs that were avoided during tuning */ +#define MT2063_SPUR_CNT_MASK (0x001f0000) +#define MT2063_SPUR_SHIFT (16) + +/* Info: Upconverter frequency is out of range (may be reason for MT_UPC_UNLOCK) */ +#define MT2063_UPC_RANGE (0x04000000) + +/* Info: Downconverter frequency is out of range (may be reason for MT_DPC_UNLOCK) */ +#define MT2063_DNC_RANGE (0x08000000) + +/* + * Constant defining the version of the following structure + * and therefore the API for this code. + * + * When compiling the tuner driver, the preprocessor will + * check against this version number to make sure that + * it matches the version that the tuner driver knows about. + */ + +/* DECT Frequency Avoidance */ +#define MT2063_DECT_AVOID_US_FREQS 0x00000001 + +#define MT2063_DECT_AVOID_EURO_FREQS 0x00000002 + +#define MT2063_EXCLUDE_US_DECT_FREQUENCIES(s) (((s) & MT2063_DECT_AVOID_US_FREQS) != 0) + +#define MT2063_EXCLUDE_EURO_DECT_FREQUENCIES(s) (((s) & MT2063_DECT_AVOID_EURO_FREQS) != 0) + +enum MT2063_DECT_Avoid_Type { + MT2063_NO_DECT_AVOIDANCE = 0, /* Do not create DECT exclusion zones. */ + MT2063_AVOID_US_DECT = MT2063_DECT_AVOID_US_FREQS, /* Avoid US DECT frequencies. */ + MT2063_AVOID_EURO_DECT = MT2063_DECT_AVOID_EURO_FREQS, /* Avoid European DECT frequencies. */ + MT2063_AVOID_BOTH /* Avoid both regions. Not typically used. */ +}; + +#define MT2063_MAX_ZONES 48 + +struct MT2063_ExclZone_t { + u32 min_; + u32 max_; + struct MT2063_ExclZone_t *next_; +}; + +/* + * Structure of data needed for Spur Avoidance + */ +struct MT2063_AvoidSpursData_t { + u32 f_ref; + u32 f_in; + u32 f_LO1; + u32 f_if1_Center; + u32 f_if1_Request; + u32 f_if1_bw; + u32 f_LO2; + u32 f_out; + u32 f_out_bw; + u32 f_LO1_Step; + u32 f_LO2_Step; + u32 f_LO1_FracN_Avoid; + u32 f_LO2_FracN_Avoid; + u32 f_zif_bw; + u32 f_min_LO_Separation; + u32 maxH1; + u32 maxH2; + enum MT2063_DECT_Avoid_Type avoidDECT; + u32 bSpurPresent; + u32 bSpurAvoided; + u32 nSpursFound; + u32 nZones; + struct MT2063_ExclZone_t *freeZones; + struct MT2063_ExclZone_t *usedZones; + struct MT2063_ExclZone_t MT2063_ExclZones[MT2063_MAX_ZONES]; +}; + +/* + * Parameter for function MT2063_SetPowerMask that specifies the power down + * of various sections of the MT2063. + */ +enum MT2063_Mask_Bits { + MT2063_REG_SD = 0x0040, /* Shutdown regulator */ + MT2063_SRO_SD = 0x0020, /* Shutdown SRO */ + MT2063_AFC_SD = 0x0010, /* Shutdown AFC A/D */ + MT2063_PD_SD = 0x0002, /* Enable power detector shutdown */ + MT2063_PDADC_SD = 0x0001, /* Enable power detector A/D shutdown */ + MT2063_VCO_SD = 0x8000, /* Enable VCO shutdown */ + MT2063_LTX_SD = 0x4000, /* Enable LTX shutdown */ + MT2063_LT1_SD = 0x2000, /* Enable LT1 shutdown */ + MT2063_LNA_SD = 0x1000, /* Enable LNA shutdown */ + MT2063_UPC_SD = 0x0800, /* Enable upconverter shutdown */ + MT2063_DNC_SD = 0x0400, /* Enable downconverter shutdown */ + MT2063_VGA_SD = 0x0200, /* Enable VGA shutdown */ + MT2063_AMP_SD = 0x0100, /* Enable AMP shutdown */ + MT2063_ALL_SD = 0xFF73, /* All shutdown bits for this tuner */ + MT2063_NONE_SD = 0x0000 /* No shutdown bits */ +}; + +/* + * Possible values for MT2063_DNC_OUTPUT + */ +enum MT2063_DNC_Output_Enable { + MT2063_DNC_NONE = 0, + MT2063_DNC_1, + MT2063_DNC_2, + MT2063_DNC_BOTH +}; + +/* + * Two-wire serial bus subaddresses of the tuner registers. + * Also known as the tuner's register addresses. + */ +enum MT2063_Register_Offsets { + MT2063_REG_PART_REV = 0, /* 0x00: Part/Rev Code */ + MT2063_REG_LO1CQ_1, /* 0x01: LO1C Queued Byte 1 */ + MT2063_REG_LO1CQ_2, /* 0x02: LO1C Queued Byte 2 */ + MT2063_REG_LO2CQ_1, /* 0x03: LO2C Queued Byte 1 */ + MT2063_REG_LO2CQ_2, /* 0x04: LO2C Queued Byte 2 */ + MT2063_REG_LO2CQ_3, /* 0x05: LO2C Queued Byte 3 */ + MT2063_REG_RSVD_06, /* 0x06: Reserved */ + MT2063_REG_LO_STATUS, /* 0x07: LO Status */ + MT2063_REG_FIFFC, /* 0x08: FIFF Center */ + MT2063_REG_CLEARTUNE, /* 0x09: ClearTune Filter */ + MT2063_REG_ADC_OUT, /* 0x0A: ADC_OUT */ + MT2063_REG_LO1C_1, /* 0x0B: LO1C Byte 1 */ + MT2063_REG_LO1C_2, /* 0x0C: LO1C Byte 2 */ + MT2063_REG_LO2C_1, /* 0x0D: LO2C Byte 1 */ + MT2063_REG_LO2C_2, /* 0x0E: LO2C Byte 2 */ + MT2063_REG_LO2C_3, /* 0x0F: LO2C Byte 3 */ + MT2063_REG_RSVD_10, /* 0x10: Reserved */ + MT2063_REG_PWR_1, /* 0x11: PWR Byte 1 */ + MT2063_REG_PWR_2, /* 0x12: PWR Byte 2 */ + MT2063_REG_TEMP_STATUS, /* 0x13: Temp Status */ + MT2063_REG_XO_STATUS, /* 0x14: Crystal Status */ + MT2063_REG_RF_STATUS, /* 0x15: RF Attn Status */ + MT2063_REG_FIF_STATUS, /* 0x16: FIF Attn Status */ + MT2063_REG_LNA_OV, /* 0x17: LNA Attn Override */ + MT2063_REG_RF_OV, /* 0x18: RF Attn Override */ + MT2063_REG_FIF_OV, /* 0x19: FIF Attn Override */ + MT2063_REG_LNA_TGT, /* 0x1A: Reserved */ + MT2063_REG_PD1_TGT, /* 0x1B: Pwr Det 1 Target */ + MT2063_REG_PD2_TGT, /* 0x1C: Pwr Det 2 Target */ + MT2063_REG_RSVD_1D, /* 0x1D: Reserved */ + MT2063_REG_RSVD_1E, /* 0x1E: Reserved */ + MT2063_REG_RSVD_1F, /* 0x1F: Reserved */ + MT2063_REG_RSVD_20, /* 0x20: Reserved */ + MT2063_REG_BYP_CTRL, /* 0x21: Bypass Control */ + MT2063_REG_RSVD_22, /* 0x22: Reserved */ + MT2063_REG_RSVD_23, /* 0x23: Reserved */ + MT2063_REG_RSVD_24, /* 0x24: Reserved */ + MT2063_REG_RSVD_25, /* 0x25: Reserved */ + MT2063_REG_RSVD_26, /* 0x26: Reserved */ + MT2063_REG_RSVD_27, /* 0x27: Reserved */ + MT2063_REG_FIFF_CTRL, /* 0x28: FIFF Control */ + MT2063_REG_FIFF_OFFSET, /* 0x29: FIFF Offset */ + MT2063_REG_CTUNE_CTRL, /* 0x2A: Reserved */ + MT2063_REG_CTUNE_OV, /* 0x2B: Reserved */ + MT2063_REG_CTRL_2C, /* 0x2C: Reserved */ + MT2063_REG_FIFF_CTRL2, /* 0x2D: Fiff Control */ + MT2063_REG_RSVD_2E, /* 0x2E: Reserved */ + MT2063_REG_DNC_GAIN, /* 0x2F: DNC Control */ + MT2063_REG_VGA_GAIN, /* 0x30: VGA Gain Ctrl */ + MT2063_REG_RSVD_31, /* 0x31: Reserved */ + MT2063_REG_TEMP_SEL, /* 0x32: Temperature Selection */ + MT2063_REG_RSVD_33, /* 0x33: Reserved */ + MT2063_REG_RSVD_34, /* 0x34: Reserved */ + MT2063_REG_RSVD_35, /* 0x35: Reserved */ + MT2063_REG_RSVD_36, /* 0x36: Reserved */ + MT2063_REG_RSVD_37, /* 0x37: Reserved */ + MT2063_REG_RSVD_38, /* 0x38: Reserved */ + MT2063_REG_RSVD_39, /* 0x39: Reserved */ + MT2063_REG_RSVD_3A, /* 0x3A: Reserved */ + MT2063_REG_RSVD_3B, /* 0x3B: Reserved */ + MT2063_REG_RSVD_3C, /* 0x3C: Reserved */ + MT2063_REG_END_REGS +}; + +struct mt2063_state { + struct i2c_adapter *i2c; + + bool init; + + const struct mt2063_config *config; + struct dvb_tuner_ops ops; + struct dvb_frontend *frontend; + struct tuner_state status; + + u32 frequency; + u32 srate; + u32 bandwidth; + u32 reference; + + u32 tuner_id; + struct MT2063_AvoidSpursData_t AS_Data; + u32 f_IF1_actual; + u32 rcvr_mode; + u32 ctfilt_sw; + u32 CTFiltMax[31]; + u32 num_regs; + u8 reg[MT2063_REG_END_REGS]; +}; + +/* + * mt2063_write - Write data into the I2C bus + */ +static u32 mt2063_write(struct mt2063_state *state, u8 reg, u8 *data, u32 len) +{ + struct dvb_frontend *fe = state->frontend; + int ret; + u8 buf[60]; + struct i2c_msg msg = { + .addr = state->config->tuner_address, + .flags = 0, + .buf = buf, + .len = len + 1 + }; + + dprintk(2, "\n"); + + msg.buf[0] = reg; + memcpy(msg.buf + 1, data, len); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + ret = i2c_transfer(state->i2c, &msg, 1); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + if (ret < 0) + printk(KERN_ERR "%s error ret=%d\n", __func__, ret); + + return ret; +} + +/* + * mt2063_write - Write register data into the I2C bus, caching the value + */ +static u32 mt2063_setreg(struct mt2063_state *state, u8 reg, u8 val) +{ + u32 status; + + dprintk(2, "\n"); + + if (reg >= MT2063_REG_END_REGS) + return -ERANGE; + + status = mt2063_write(state, reg, &val, 1); + if (status < 0) + return status; + + state->reg[reg] = val; + + return 0; +} + +/* + * mt2063_read - Read data from the I2C bus + */ +static u32 mt2063_read(struct mt2063_state *state, + u8 subAddress, u8 *pData, u32 cnt) +{ + u32 status = 0; /* Status to be returned */ + struct dvb_frontend *fe = state->frontend; + u32 i = 0; + + dprintk(2, "addr 0x%02x, cnt %d\n", subAddress, cnt); + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + + for (i = 0; i < cnt; i++) { + u8 b0[] = { subAddress + i }; + struct i2c_msg msg[] = { + { + .addr = state->config->tuner_address, + .flags = 0, + .buf = b0, + .len = 1 + }, { + .addr = state->config->tuner_address, + .flags = I2C_M_RD, + .buf = pData + i, + .len = 1 + } + }; + + status = i2c_transfer(state->i2c, msg, 2); + dprintk(2, "addr 0x%02x, ret = %d, val = 0x%02x\n", + subAddress + i, status, *(pData + i)); + if (status < 0) + break; + } + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); + + if (status < 0) + printk(KERN_ERR "Can't read from address 0x%02x,\n", + subAddress + i); + + return status; +} + +/* + * FIXME: Is this really needed? + */ +static int MT2063_Sleep(struct dvb_frontend *fe) +{ + /* + * ToDo: Add code here to implement a OS blocking + */ + msleep(10); + + return 0; +} + +/* + * Microtune spur avoidance + */ + +/* Implement ceiling, floor functions. */ +#define ceil(n, d) (((n) < 0) ? (-((-(n))/(d))) : (n)/(d) + ((n)%(d) != 0)) +#define floor(n, d) (((n) < 0) ? (-((-(n))/(d))) - ((n)%(d) != 0) : (n)/(d)) + +struct MT2063_FIFZone_t { + s32 min_; + s32 max_; +}; + +static struct MT2063_ExclZone_t *InsertNode(struct MT2063_AvoidSpursData_t + *pAS_Info, + struct MT2063_ExclZone_t *pPrevNode) +{ + struct MT2063_ExclZone_t *pNode; + + dprintk(2, "\n"); + + /* Check for a node in the free list */ + if (pAS_Info->freeZones != NULL) { + /* Use one from the free list */ + pNode = pAS_Info->freeZones; + pAS_Info->freeZones = pNode->next_; + } else { + /* Grab a node from the array */ + pNode = &pAS_Info->MT2063_ExclZones[pAS_Info->nZones]; + } + + if (pPrevNode != NULL) { + pNode->next_ = pPrevNode->next_; + pPrevNode->next_ = pNode; + } else { /* insert at the beginning of the list */ + + pNode->next_ = pAS_Info->usedZones; + pAS_Info->usedZones = pNode; + } + + pAS_Info->nZones++; + return pNode; +} + +static struct MT2063_ExclZone_t *RemoveNode(struct MT2063_AvoidSpursData_t + *pAS_Info, + struct MT2063_ExclZone_t *pPrevNode, + struct MT2063_ExclZone_t + *pNodeToRemove) +{ + struct MT2063_ExclZone_t *pNext = pNodeToRemove->next_; + + dprintk(2, "\n"); + + /* Make previous node point to the subsequent node */ + if (pPrevNode != NULL) + pPrevNode->next_ = pNext; + + /* Add pNodeToRemove to the beginning of the freeZones */ + pNodeToRemove->next_ = pAS_Info->freeZones; + pAS_Info->freeZones = pNodeToRemove; + + /* Decrement node count */ + pAS_Info->nZones--; + + return pNext; +} + +/* + * MT_AddExclZone() + * + * Add (and merge) an exclusion zone into the list. + * If the range (f_min, f_max) is totally outside the + * 1st IF BW, ignore the entry. + * If the range (f_min, f_max) is negative, ignore the entry. + */ +static void MT2063_AddExclZone(struct MT2063_AvoidSpursData_t *pAS_Info, + u32 f_min, u32 f_max) +{ + struct MT2063_ExclZone_t *pNode = pAS_Info->usedZones; + struct MT2063_ExclZone_t *pPrev = NULL; + struct MT2063_ExclZone_t *pNext = NULL; + + dprintk(2, "\n"); + + /* Check to see if this overlaps the 1st IF filter */ + if ((f_max > (pAS_Info->f_if1_Center - (pAS_Info->f_if1_bw / 2))) + && (f_min < (pAS_Info->f_if1_Center + (pAS_Info->f_if1_bw / 2))) + && (f_min < f_max)) { + /* + * 1 2 3 4 5 6 + * + * New entry: |---| |--| |--| |-| |---| |--| + * or or or or or + * Existing: |--| |--| |--| |---| |-| |--| + */ + + /* Check for our place in the list */ + while ((pNode != NULL) && (pNode->max_ < f_min)) { + pPrev = pNode; + pNode = pNode->next_; + } + + if ((pNode != NULL) && (pNode->min_ < f_max)) { + /* Combine me with pNode */ + if (f_min < pNode->min_) + pNode->min_ = f_min; + if (f_max > pNode->max_) + pNode->max_ = f_max; + } else { + pNode = InsertNode(pAS_Info, pPrev); + pNode->min_ = f_min; + pNode->max_ = f_max; + } + + /* Look for merging possibilities */ + pNext = pNode->next_; + while ((pNext != NULL) && (pNext->min_ < pNode->max_)) { + if (pNext->max_ > pNode->max_) + pNode->max_ = pNext->max_; + /* Remove pNext, return ptr to pNext->next */ + pNext = RemoveNode(pAS_Info, pNode, pNext); + } + } +} + +/* + * Reset all exclusion zones. + * Add zones to protect the PLL FracN regions near zero + */ +static void MT2063_ResetExclZones(struct MT2063_AvoidSpursData_t *pAS_Info) +{ + u32 center; + + dprintk(2, "\n"); + + pAS_Info->nZones = 0; /* this clears the used list */ + pAS_Info->usedZones = NULL; /* reset ptr */ + pAS_Info->freeZones = NULL; /* reset ptr */ + + center = + pAS_Info->f_ref * + ((pAS_Info->f_if1_Center - pAS_Info->f_if1_bw / 2 + + pAS_Info->f_in) / pAS_Info->f_ref) - pAS_Info->f_in; + while (center < + pAS_Info->f_if1_Center + pAS_Info->f_if1_bw / 2 + + pAS_Info->f_LO1_FracN_Avoid) { + /* Exclude LO1 FracN */ + MT2063_AddExclZone(pAS_Info, + center - pAS_Info->f_LO1_FracN_Avoid, + center - 1); + MT2063_AddExclZone(pAS_Info, center + 1, + center + pAS_Info->f_LO1_FracN_Avoid); + center += pAS_Info->f_ref; + } + + center = + pAS_Info->f_ref * + ((pAS_Info->f_if1_Center - pAS_Info->f_if1_bw / 2 - + pAS_Info->f_out) / pAS_Info->f_ref) + pAS_Info->f_out; + while (center < + pAS_Info->f_if1_Center + pAS_Info->f_if1_bw / 2 + + pAS_Info->f_LO2_FracN_Avoid) { + /* Exclude LO2 FracN */ + MT2063_AddExclZone(pAS_Info, + center - pAS_Info->f_LO2_FracN_Avoid, + center - 1); + MT2063_AddExclZone(pAS_Info, center + 1, + center + pAS_Info->f_LO2_FracN_Avoid); + center += pAS_Info->f_ref; + } + + if (MT2063_EXCLUDE_US_DECT_FREQUENCIES(pAS_Info->avoidDECT)) { + /* Exclude LO1 values that conflict with DECT channels */ + MT2063_AddExclZone(pAS_Info, 1920836000 - pAS_Info->f_in, 1922236000 - pAS_Info->f_in); /* Ctr = 1921.536 */ + MT2063_AddExclZone(pAS_Info, 1922564000 - pAS_Info->f_in, 1923964000 - pAS_Info->f_in); /* Ctr = 1923.264 */ + MT2063_AddExclZone(pAS_Info, 1924292000 - pAS_Info->f_in, 1925692000 - pAS_Info->f_in); /* Ctr = 1924.992 */ + MT2063_AddExclZone(pAS_Info, 1926020000 - pAS_Info->f_in, 1927420000 - pAS_Info->f_in); /* Ctr = 1926.720 */ + MT2063_AddExclZone(pAS_Info, 1927748000 - pAS_Info->f_in, 1929148000 - pAS_Info->f_in); /* Ctr = 1928.448 */ + } + + if (MT2063_EXCLUDE_EURO_DECT_FREQUENCIES(pAS_Info->avoidDECT)) { + MT2063_AddExclZone(pAS_Info, 1896644000 - pAS_Info->f_in, 1898044000 - pAS_Info->f_in); /* Ctr = 1897.344 */ + MT2063_AddExclZone(pAS_Info, 1894916000 - pAS_Info->f_in, 1896316000 - pAS_Info->f_in); /* Ctr = 1895.616 */ + MT2063_AddExclZone(pAS_Info, 1893188000 - pAS_Info->f_in, 1894588000 - pAS_Info->f_in); /* Ctr = 1893.888 */ + MT2063_AddExclZone(pAS_Info, 1891460000 - pAS_Info->f_in, 1892860000 - pAS_Info->f_in); /* Ctr = 1892.16 */ + MT2063_AddExclZone(pAS_Info, 1889732000 - pAS_Info->f_in, 1891132000 - pAS_Info->f_in); /* Ctr = 1890.432 */ + MT2063_AddExclZone(pAS_Info, 1888004000 - pAS_Info->f_in, 1889404000 - pAS_Info->f_in); /* Ctr = 1888.704 */ + MT2063_AddExclZone(pAS_Info, 1886276000 - pAS_Info->f_in, 1887676000 - pAS_Info->f_in); /* Ctr = 1886.976 */ + MT2063_AddExclZone(pAS_Info, 1884548000 - pAS_Info->f_in, 1885948000 - pAS_Info->f_in); /* Ctr = 1885.248 */ + MT2063_AddExclZone(pAS_Info, 1882820000 - pAS_Info->f_in, 1884220000 - pAS_Info->f_in); /* Ctr = 1883.52 */ + MT2063_AddExclZone(pAS_Info, 1881092000 - pAS_Info->f_in, 1882492000 - pAS_Info->f_in); /* Ctr = 1881.792 */ + } +} + +/* + * MT_ChooseFirstIF - Choose the best available 1st IF + * If f_Desired is not excluded, choose that first. + * Otherwise, return the value closest to f_Center that is + * not excluded + */ +static u32 MT2063_ChooseFirstIF(struct MT2063_AvoidSpursData_t *pAS_Info) +{ + /* + * Update "f_Desired" to be the nearest "combinational-multiple" of + * "f_LO1_Step". + * The resulting number, F_LO1 must be a multiple of f_LO1_Step. + * And F_LO1 is the arithmetic sum of f_in + f_Center. + * Neither f_in, nor f_Center must be a multiple of f_LO1_Step. + * However, the sum must be. + */ + const u32 f_Desired = + pAS_Info->f_LO1_Step * + ((pAS_Info->f_if1_Request + pAS_Info->f_in + + pAS_Info->f_LO1_Step / 2) / pAS_Info->f_LO1_Step) - + pAS_Info->f_in; + const u32 f_Step = + (pAS_Info->f_LO1_Step > + pAS_Info->f_LO2_Step) ? pAS_Info->f_LO1_Step : pAS_Info-> + f_LO2_Step; + u32 f_Center; + s32 i; + s32 j = 0; + u32 bDesiredExcluded = 0; + u32 bZeroExcluded = 0; + s32 tmpMin, tmpMax; + s32 bestDiff; + struct MT2063_ExclZone_t *pNode = pAS_Info->usedZones; + struct MT2063_FIFZone_t zones[MT2063_MAX_ZONES]; + + dprintk(2, "\n"); + + if (pAS_Info->nZones == 0) + return f_Desired; + + /* + * f_Center needs to be an integer multiple of f_Step away + * from f_Desired + */ + if (pAS_Info->f_if1_Center > f_Desired) + f_Center = + f_Desired + + f_Step * + ((pAS_Info->f_if1_Center - f_Desired + + f_Step / 2) / f_Step); + else + f_Center = + f_Desired - + f_Step * + ((f_Desired - pAS_Info->f_if1_Center + + f_Step / 2) / f_Step); + + /* + * Take MT_ExclZones, center around f_Center and change the + * resolution to f_Step + */ + while (pNode != NULL) { + /* floor function */ + tmpMin = + floor((s32) (pNode->min_ - f_Center), (s32) f_Step); + + /* ceil function */ + tmpMax = + ceil((s32) (pNode->max_ - f_Center), (s32) f_Step); + + if ((pNode->min_ < f_Desired) && (pNode->max_ > f_Desired)) + bDesiredExcluded = 1; + + if ((tmpMin < 0) && (tmpMax > 0)) + bZeroExcluded = 1; + + /* See if this zone overlaps the previous */ + if ((j > 0) && (tmpMin < zones[j - 1].max_)) + zones[j - 1].max_ = tmpMax; + else { + /* Add new zone */ + zones[j].min_ = tmpMin; + zones[j].max_ = tmpMax; + j++; + } + pNode = pNode->next_; + } + + /* + * If the desired is okay, return with it + */ + if (bDesiredExcluded == 0) + return f_Desired; + + /* + * If the desired is excluded and the center is okay, return with it + */ + if (bZeroExcluded == 0) + return f_Center; + + /* Find the value closest to 0 (f_Center) */ + bestDiff = zones[0].min_; + for (i = 0; i < j; i++) { + if (abs(zones[i].min_) < abs(bestDiff)) + bestDiff = zones[i].min_; + if (abs(zones[i].max_) < abs(bestDiff)) + bestDiff = zones[i].max_; + } + + if (bestDiff < 0) + return f_Center - ((u32) (-bestDiff) * f_Step); + + return f_Center + (bestDiff * f_Step); +} + +/** + * gcd() - Uses Euclid's algorithm + * + * @u, @v: Unsigned values whose GCD is desired. + * + * Returns THE greatest common divisor of u and v, if either value is 0, + * the other value is returned as the result. + */ +static u32 MT2063_gcd(u32 u, u32 v) +{ + u32 r; + + while (v != 0) { + r = u % v; + u = v; + v = r; + } + + return u; +} + +/** + * IsSpurInBand() - Checks to see if a spur will be present within the IF's + * bandwidth. (fIFOut +/- fIFBW, -fIFOut +/- fIFBW) + * + * ma mb mc md + * <--+-+-+-------------------+-------------------+-+-+--> + * | ^ 0 ^ | + * ^ b=-fIFOut+fIFBW/2 -b=+fIFOut-fIFBW/2 ^ + * a=-fIFOut-fIFBW/2 -a=+fIFOut+fIFBW/2 + * + * Note that some equations are doubled to prevent round-off + * problems when calculating fIFBW/2 + * + * @pAS_Info: Avoid Spurs information block + * @fm: If spur, amount f_IF1 has to move negative + * @fp: If spur, amount f_IF1 has to move positive + * + * Returns 1 if an LO spur would be present, otherwise 0. + */ +static u32 IsSpurInBand(struct MT2063_AvoidSpursData_t *pAS_Info, + u32 *fm, u32 * fp) +{ + /* + ** Calculate LO frequency settings. + */ + u32 n, n0; + const u32 f_LO1 = pAS_Info->f_LO1; + const u32 f_LO2 = pAS_Info->f_LO2; + const u32 d = pAS_Info->f_out + pAS_Info->f_out_bw / 2; + const u32 c = d - pAS_Info->f_out_bw; + const u32 f = pAS_Info->f_zif_bw / 2; + const u32 f_Scale = (f_LO1 / (UINT_MAX / 2 / pAS_Info->maxH1)) + 1; + s32 f_nsLO1, f_nsLO2; + s32 f_Spur; + u32 ma, mb, mc, md, me, mf; + u32 lo_gcd, gd_Scale, gc_Scale, gf_Scale, hgds, hgfs, hgcs; + + dprintk(2, "\n"); + + *fm = 0; + + /* + ** For each edge (d, c & f), calculate a scale, based on the gcd + ** of f_LO1, f_LO2 and the edge value. Use the larger of this + ** gcd-based scale factor or f_Scale. + */ + lo_gcd = MT2063_gcd(f_LO1, f_LO2); + gd_Scale = max((u32) MT2063_gcd(lo_gcd, d), f_Scale); + hgds = gd_Scale / 2; + gc_Scale = max((u32) MT2063_gcd(lo_gcd, c), f_Scale); + hgcs = gc_Scale / 2; + gf_Scale = max((u32) MT2063_gcd(lo_gcd, f), f_Scale); + hgfs = gf_Scale / 2; + + n0 = DIV_ROUND_UP(f_LO2 - d, f_LO1 - f_LO2); + + /* Check out all multiples of LO1 from n0 to m_maxLOSpurHarmonic */ + for (n = n0; n <= pAS_Info->maxH1; ++n) { + md = (n * ((f_LO1 + hgds) / gd_Scale) - + ((d + hgds) / gd_Scale)) / ((f_LO2 + hgds) / gd_Scale); + + /* If # fLO2 harmonics > m_maxLOSpurHarmonic, then no spurs present */ + if (md >= pAS_Info->maxH1) + break; + + ma = (n * ((f_LO1 + hgds) / gd_Scale) + + ((d + hgds) / gd_Scale)) / ((f_LO2 + hgds) / gd_Scale); + + /* If no spurs between +/- (f_out + f_IFBW/2), then try next harmonic */ + if (md == ma) + continue; + + mc = (n * ((f_LO1 + hgcs) / gc_Scale) - + ((c + hgcs) / gc_Scale)) / ((f_LO2 + hgcs) / gc_Scale); + if (mc != md) { + f_nsLO1 = (s32) (n * (f_LO1 / gc_Scale)); + f_nsLO2 = (s32) (mc * (f_LO2 / gc_Scale)); + f_Spur = + (gc_Scale * (f_nsLO1 - f_nsLO2)) + + n * (f_LO1 % gc_Scale) - mc * (f_LO2 % gc_Scale); + + *fp = ((f_Spur - (s32) c) / (mc - n)) + 1; + *fm = (((s32) d - f_Spur) / (mc - n)) + 1; + return 1; + } + + /* Location of Zero-IF-spur to be checked */ + me = (n * ((f_LO1 + hgfs) / gf_Scale) + + ((f + hgfs) / gf_Scale)) / ((f_LO2 + hgfs) / gf_Scale); + mf = (n * ((f_LO1 + hgfs) / gf_Scale) - + ((f + hgfs) / gf_Scale)) / ((f_LO2 + hgfs) / gf_Scale); + if (me != mf) { + f_nsLO1 = n * (f_LO1 / gf_Scale); + f_nsLO2 = me * (f_LO2 / gf_Scale); + f_Spur = + (gf_Scale * (f_nsLO1 - f_nsLO2)) + + n * (f_LO1 % gf_Scale) - me * (f_LO2 % gf_Scale); + + *fp = ((f_Spur + (s32) f) / (me - n)) + 1; + *fm = (((s32) f - f_Spur) / (me - n)) + 1; + return 1; + } + + mb = (n * ((f_LO1 + hgcs) / gc_Scale) + + ((c + hgcs) / gc_Scale)) / ((f_LO2 + hgcs) / gc_Scale); + if (ma != mb) { + f_nsLO1 = n * (f_LO1 / gc_Scale); + f_nsLO2 = ma * (f_LO2 / gc_Scale); + f_Spur = + (gc_Scale * (f_nsLO1 - f_nsLO2)) + + n * (f_LO1 % gc_Scale) - ma * (f_LO2 % gc_Scale); + + *fp = (((s32) d + f_Spur) / (ma - n)) + 1; + *fm = (-(f_Spur + (s32) c) / (ma - n)) + 1; + return 1; + } + } + + /* No spurs found */ + return 0; +} + +/* + * MT_AvoidSpurs() - Main entry point to avoid spurs. + * Checks for existing spurs in present LO1, LO2 freqs + * and if present, chooses spur-free LO1, LO2 combination + * that tunes the same input/output frequencies. + */ +static u32 MT2063_AvoidSpurs(struct MT2063_AvoidSpursData_t *pAS_Info) +{ + u32 status = 0; + u32 fm, fp; /* restricted range on LO's */ + pAS_Info->bSpurAvoided = 0; + pAS_Info->nSpursFound = 0; + + dprintk(2, "\n"); + + if (pAS_Info->maxH1 == 0) + return 0; + + /* + * Avoid LO Generated Spurs + * + * Make sure that have no LO-related spurs within the IF output + * bandwidth. + * + * If there is an LO spur in this band, start at the current IF1 frequency + * and work out until we find a spur-free frequency or run up against the + * 1st IF SAW band edge. Use temporary copies of fLO1 and fLO2 so that they + * will be unchanged if a spur-free setting is not found. + */ + pAS_Info->bSpurPresent = IsSpurInBand(pAS_Info, &fm, &fp); + if (pAS_Info->bSpurPresent) { + u32 zfIF1 = pAS_Info->f_LO1 - pAS_Info->f_in; /* current attempt at a 1st IF */ + u32 zfLO1 = pAS_Info->f_LO1; /* current attempt at an LO1 freq */ + u32 zfLO2 = pAS_Info->f_LO2; /* current attempt at an LO2 freq */ + u32 delta_IF1; + u32 new_IF1; + + /* + ** Spur was found, attempt to find a spur-free 1st IF + */ + do { + pAS_Info->nSpursFound++; + + /* Raise f_IF1_upper, if needed */ + MT2063_AddExclZone(pAS_Info, zfIF1 - fm, zfIF1 + fp); + + /* Choose next IF1 that is closest to f_IF1_CENTER */ + new_IF1 = MT2063_ChooseFirstIF(pAS_Info); + + if (new_IF1 > zfIF1) { + pAS_Info->f_LO1 += (new_IF1 - zfIF1); + pAS_Info->f_LO2 += (new_IF1 - zfIF1); + } else { + pAS_Info->f_LO1 -= (zfIF1 - new_IF1); + pAS_Info->f_LO2 -= (zfIF1 - new_IF1); + } + zfIF1 = new_IF1; + + if (zfIF1 > pAS_Info->f_if1_Center) + delta_IF1 = zfIF1 - pAS_Info->f_if1_Center; + else + delta_IF1 = pAS_Info->f_if1_Center - zfIF1; + + pAS_Info->bSpurPresent = IsSpurInBand(pAS_Info, &fm, &fp); + /* + * Continue while the new 1st IF is still within the 1st IF bandwidth + * and there is a spur in the band (again) + */ + } while ((2 * delta_IF1 + pAS_Info->f_out_bw <= pAS_Info->f_if1_bw) && pAS_Info->bSpurPresent); + + /* + * Use the LO-spur free values found. If the search went all + * the way to the 1st IF band edge and always found spurs, just + * leave the original choice. It's as "good" as any other. + */ + if (pAS_Info->bSpurPresent == 1) { + status |= MT2063_SPUR_PRESENT_ERR; + pAS_Info->f_LO1 = zfLO1; + pAS_Info->f_LO2 = zfLO2; + } else + pAS_Info->bSpurAvoided = 1; + } + + status |= + ((pAS_Info-> + nSpursFound << MT2063_SPUR_SHIFT) & MT2063_SPUR_CNT_MASK); + + return status; +} + +/* + * Constants used by the tuning algorithm + */ +#define MT2063_REF_FREQ (16000000UL) /* Reference oscillator Frequency (in Hz) */ +#define MT2063_IF1_BW (22000000UL) /* The IF1 filter bandwidth (in Hz) */ +#define MT2063_TUNE_STEP_SIZE (50000UL) /* Tune in steps of 50 kHz */ +#define MT2063_SPUR_STEP_HZ (250000UL) /* Step size (in Hz) to move IF1 when avoiding spurs */ +#define MT2063_ZIF_BW (2000000UL) /* Zero-IF spur-free bandwidth (in Hz) */ +#define MT2063_MAX_HARMONICS_1 (15UL) /* Highest intra-tuner LO Spur Harmonic to be avoided */ +#define MT2063_MAX_HARMONICS_2 (5UL) /* Highest inter-tuner LO Spur Harmonic to be avoided */ +#define MT2063_MIN_LO_SEP (1000000UL) /* Minimum inter-tuner LO frequency separation */ +#define MT2063_LO1_FRACN_AVOID (0UL) /* LO1 FracN numerator avoid region (in Hz) */ +#define MT2063_LO2_FRACN_AVOID (199999UL) /* LO2 FracN numerator avoid region (in Hz) */ +#define MT2063_MIN_FIN_FREQ (44000000UL) /* Minimum input frequency (in Hz) */ +#define MT2063_MAX_FIN_FREQ (1100000000UL) /* Maximum input frequency (in Hz) */ +#define MT2063_MIN_FOUT_FREQ (36000000UL) /* Minimum output frequency (in Hz) */ +#define MT2063_MAX_FOUT_FREQ (57000000UL) /* Maximum output frequency (in Hz) */ +#define MT2063_MIN_DNC_FREQ (1293000000UL) /* Minimum LO2 frequency (in Hz) */ +#define MT2063_MAX_DNC_FREQ (1614000000UL) /* Maximum LO2 frequency (in Hz) */ +#define MT2063_MIN_UPC_FREQ (1396000000UL) /* Minimum LO1 frequency (in Hz) */ +#define MT2063_MAX_UPC_FREQ (2750000000UL) /* Maximum LO1 frequency (in Hz) */ + +/* + * Define the supported Part/Rev codes for the MT2063 + */ +#define MT2063_B0 (0x9B) +#define MT2063_B1 (0x9C) +#define MT2063_B2 (0x9D) +#define MT2063_B3 (0x9E) + +/** + * mt2063_lockStatus - Checks to see if LO1 and LO2 are locked + * + * @state: struct mt2063_state pointer + * + * This function returns 0, if no lock, 1 if locked and a value < 1 if error + */ +static unsigned int mt2063_lockStatus(struct mt2063_state *state) +{ + const u32 nMaxWait = 100; /* wait a maximum of 100 msec */ + const u32 nPollRate = 2; /* poll status bits every 2 ms */ + const u32 nMaxLoops = nMaxWait / nPollRate; + const u8 LO1LK = 0x80; + u8 LO2LK = 0x08; + u32 status; + u32 nDelays = 0; + + dprintk(2, "\n"); + + /* LO2 Lock bit was in a different place for B0 version */ + if (state->tuner_id == MT2063_B0) + LO2LK = 0x40; + + do { + status = mt2063_read(state, MT2063_REG_LO_STATUS, + &state->reg[MT2063_REG_LO_STATUS], 1); + + if (status < 0) + return status; + + if ((state->reg[MT2063_REG_LO_STATUS] & (LO1LK | LO2LK)) == + (LO1LK | LO2LK)) { + return TUNER_STATUS_LOCKED | TUNER_STATUS_STEREO; + } + msleep(nPollRate); /* Wait between retries */ + } while (++nDelays < nMaxLoops); + + /* + * Got no lock or partial lock + */ + return 0; +} + +/* + * Constants for setting receiver modes. + * (6 modes defined at this time, enumerated by mt2063_delivery_sys) + * (DNC1GC & DNC2GC are the values, which are used, when the specific + * DNC Output is selected, the other is always off) + * + * enum mt2063_delivery_sys + * -------------+---------------------------------------------- + * Mode 0 : | MT2063_CABLE_QAM + * Mode 1 : | MT2063_CABLE_ANALOG + * Mode 2 : | MT2063_OFFAIR_COFDM + * Mode 3 : | MT2063_OFFAIR_COFDM_SAWLESS + * Mode 4 : | MT2063_OFFAIR_ANALOG + * Mode 5 : | MT2063_OFFAIR_8VSB + * --------------+---------------------------------------------- + * + * |<---------- Mode -------------->| + * Reg Field | 0 | 1 | 2 | 3 | 4 | 5 | + * ------------+-----+-----+-----+-----+-----+-----+ + * RFAGCen | OFF | OFF | OFF | OFF | OFF | OFF + * LNARin | 0 | 0 | 3 | 3 | 3 | 3 + * FIFFQen | 1 | 1 | 1 | 1 | 1 | 1 + * FIFFq | 0 | 0 | 0 | 0 | 0 | 0 + * DNC1gc | 0 | 0 | 0 | 0 | 0 | 0 + * DNC2gc | 0 | 0 | 0 | 0 | 0 | 0 + * GCU Auto | 1 | 1 | 1 | 1 | 1 | 1 + * LNA max Atn | 31 | 31 | 31 | 31 | 31 | 31 + * LNA Target | 44 | 43 | 43 | 43 | 43 | 43 + * ign RF Ovl | 0 | 0 | 0 | 0 | 0 | 0 + * RF max Atn | 31 | 31 | 31 | 31 | 31 | 31 + * PD1 Target | 36 | 36 | 38 | 38 | 36 | 38 + * ign FIF Ovl | 0 | 0 | 0 | 0 | 0 | 0 + * FIF max Atn | 5 | 5 | 5 | 5 | 5 | 5 + * PD2 Target | 40 | 33 | 42 | 42 | 33 | 42 + */ + +enum mt2063_delivery_sys { + MT2063_CABLE_QAM = 0, + MT2063_CABLE_ANALOG, + MT2063_OFFAIR_COFDM, + MT2063_OFFAIR_COFDM_SAWLESS, + MT2063_OFFAIR_ANALOG, + MT2063_OFFAIR_8VSB, + MT2063_NUM_RCVR_MODES +}; + +static const char *mt2063_mode_name[] = { + [MT2063_CABLE_QAM] = "digital cable", + [MT2063_CABLE_ANALOG] = "analog cable", + [MT2063_OFFAIR_COFDM] = "digital offair", + [MT2063_OFFAIR_COFDM_SAWLESS] = "digital offair without SAW", + [MT2063_OFFAIR_ANALOG] = "analog offair", + [MT2063_OFFAIR_8VSB] = "analog offair 8vsb", +}; + +static const u8 RFAGCEN[] = { 0, 0, 0, 0, 0, 0 }; +static const u8 LNARIN[] = { 0, 0, 3, 3, 3, 3 }; +static const u8 FIFFQEN[] = { 1, 1, 1, 1, 1, 1 }; +static const u8 FIFFQ[] = { 0, 0, 0, 0, 0, 0 }; +static const u8 DNC1GC[] = { 0, 0, 0, 0, 0, 0 }; +static const u8 DNC2GC[] = { 0, 0, 0, 0, 0, 0 }; +static const u8 ACLNAMAX[] = { 31, 31, 31, 31, 31, 31 }; +static const u8 LNATGT[] = { 44, 43, 43, 43, 43, 43 }; +static const u8 RFOVDIS[] = { 0, 0, 0, 0, 0, 0 }; +static const u8 ACRFMAX[] = { 31, 31, 31, 31, 31, 31 }; +static const u8 PD1TGT[] = { 36, 36, 38, 38, 36, 38 }; +static const u8 FIFOVDIS[] = { 0, 0, 0, 0, 0, 0 }; +static const u8 ACFIFMAX[] = { 29, 29, 29, 29, 29, 29 }; +static const u8 PD2TGT[] = { 40, 33, 38, 42, 30, 38 }; + +/* + * mt2063_set_dnc_output_enable() + */ +static u32 mt2063_get_dnc_output_enable(struct mt2063_state *state, + enum MT2063_DNC_Output_Enable *pValue) +{ + dprintk(2, "\n"); + + if ((state->reg[MT2063_REG_DNC_GAIN] & 0x03) == 0x03) { /* if DNC1 is off */ + if ((state->reg[MT2063_REG_VGA_GAIN] & 0x03) == 0x03) /* if DNC2 is off */ + *pValue = MT2063_DNC_NONE; + else + *pValue = MT2063_DNC_2; + } else { /* DNC1 is on */ + if ((state->reg[MT2063_REG_VGA_GAIN] & 0x03) == 0x03) /* if DNC2 is off */ + *pValue = MT2063_DNC_1; + else + *pValue = MT2063_DNC_BOTH; + } + return 0; +} + +/* + * mt2063_set_dnc_output_enable() + */ +static u32 mt2063_set_dnc_output_enable(struct mt2063_state *state, + enum MT2063_DNC_Output_Enable nValue) +{ + u32 status = 0; /* Status to be returned */ + u8 val = 0; + + dprintk(2, "\n"); + + /* selects, which DNC output is used */ + switch (nValue) { + case MT2063_DNC_NONE: + val = (state->reg[MT2063_REG_DNC_GAIN] & 0xFC) | 0x03; /* Set DNC1GC=3 */ + if (state->reg[MT2063_REG_DNC_GAIN] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_DNC_GAIN, + val); + + val = (state->reg[MT2063_REG_VGA_GAIN] & 0xFC) | 0x03; /* Set DNC2GC=3 */ + if (state->reg[MT2063_REG_VGA_GAIN] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_VGA_GAIN, + val); + + val = (state->reg[MT2063_REG_RSVD_20] & ~0x40); /* Set PD2MUX=0 */ + if (state->reg[MT2063_REG_RSVD_20] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_RSVD_20, + val); + + break; + case MT2063_DNC_1: + val = (state->reg[MT2063_REG_DNC_GAIN] & 0xFC) | (DNC1GC[state->rcvr_mode] & 0x03); /* Set DNC1GC=x */ + if (state->reg[MT2063_REG_DNC_GAIN] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_DNC_GAIN, + val); + + val = (state->reg[MT2063_REG_VGA_GAIN] & 0xFC) | 0x03; /* Set DNC2GC=3 */ + if (state->reg[MT2063_REG_VGA_GAIN] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_VGA_GAIN, + val); + + val = (state->reg[MT2063_REG_RSVD_20] & ~0x40); /* Set PD2MUX=0 */ + if (state->reg[MT2063_REG_RSVD_20] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_RSVD_20, + val); + + break; + case MT2063_DNC_2: + val = (state->reg[MT2063_REG_DNC_GAIN] & 0xFC) | 0x03; /* Set DNC1GC=3 */ + if (state->reg[MT2063_REG_DNC_GAIN] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_DNC_GAIN, + val); + + val = (state->reg[MT2063_REG_VGA_GAIN] & 0xFC) | (DNC2GC[state->rcvr_mode] & 0x03); /* Set DNC2GC=x */ + if (state->reg[MT2063_REG_VGA_GAIN] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_VGA_GAIN, + val); + + val = (state->reg[MT2063_REG_RSVD_20] | 0x40); /* Set PD2MUX=1 */ + if (state->reg[MT2063_REG_RSVD_20] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_RSVD_20, + val); + + break; + case MT2063_DNC_BOTH: + val = (state->reg[MT2063_REG_DNC_GAIN] & 0xFC) | (DNC1GC[state->rcvr_mode] & 0x03); /* Set DNC1GC=x */ + if (state->reg[MT2063_REG_DNC_GAIN] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_DNC_GAIN, + val); + + val = (state->reg[MT2063_REG_VGA_GAIN] & 0xFC) | (DNC2GC[state->rcvr_mode] & 0x03); /* Set DNC2GC=x */ + if (state->reg[MT2063_REG_VGA_GAIN] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_VGA_GAIN, + val); + + val = (state->reg[MT2063_REG_RSVD_20] | 0x40); /* Set PD2MUX=1 */ + if (state->reg[MT2063_REG_RSVD_20] != + val) + status |= + mt2063_setreg(state, + MT2063_REG_RSVD_20, + val); + + break; + default: + break; + } + + return status; +} + +/* + * MT2063_SetReceiverMode() - Set the MT2063 receiver mode, according with + * the selected enum mt2063_delivery_sys type. + * + * (DNC1GC & DNC2GC are the values, which are used, when the specific + * DNC Output is selected, the other is always off) + * + * @state: ptr to mt2063_state structure + * @Mode: desired reciever delivery system + * + * Note: Register cache must be valid for it to work + */ + +static u32 MT2063_SetReceiverMode(struct mt2063_state *state, + enum mt2063_delivery_sys Mode) +{ + u32 status = 0; /* Status to be returned */ + u8 val; + u32 longval; + + dprintk(2, "\n"); + + if (Mode >= MT2063_NUM_RCVR_MODES) + status = -ERANGE; + + /* RFAGCen */ + if (status >= 0) { + val = + (state-> + reg[MT2063_REG_PD1_TGT] & (u8) ~0x40) | (RFAGCEN[Mode] + ? 0x40 : + 0x00); + if (state->reg[MT2063_REG_PD1_TGT] != val) + status |= mt2063_setreg(state, MT2063_REG_PD1_TGT, val); + } + + /* LNARin */ + if (status >= 0) { + u8 val = (state->reg[MT2063_REG_CTRL_2C] & (u8) ~0x03) | + (LNARIN[Mode] & 0x03); + if (state->reg[MT2063_REG_CTRL_2C] != val) + status |= mt2063_setreg(state, MT2063_REG_CTRL_2C, val); + } + + /* FIFFQEN and FIFFQ */ + if (status >= 0) { + val = + (state-> + reg[MT2063_REG_FIFF_CTRL2] & (u8) ~0xF0) | + (FIFFQEN[Mode] << 7) | (FIFFQ[Mode] << 4); + if (state->reg[MT2063_REG_FIFF_CTRL2] != val) { + status |= + mt2063_setreg(state, MT2063_REG_FIFF_CTRL2, val); + /* trigger FIFF calibration, needed after changing FIFFQ */ + val = + (state->reg[MT2063_REG_FIFF_CTRL] | (u8) 0x01); + status |= + mt2063_setreg(state, MT2063_REG_FIFF_CTRL, val); + val = + (state-> + reg[MT2063_REG_FIFF_CTRL] & (u8) ~0x01); + status |= + mt2063_setreg(state, MT2063_REG_FIFF_CTRL, val); + } + } + + /* DNC1GC & DNC2GC */ + status |= mt2063_get_dnc_output_enable(state, &longval); + status |= mt2063_set_dnc_output_enable(state, longval); + + /* acLNAmax */ + if (status >= 0) { + u8 val = (state->reg[MT2063_REG_LNA_OV] & (u8) ~0x1F) | + (ACLNAMAX[Mode] & 0x1F); + if (state->reg[MT2063_REG_LNA_OV] != val) + status |= mt2063_setreg(state, MT2063_REG_LNA_OV, val); + } + + /* LNATGT */ + if (status >= 0) { + u8 val = (state->reg[MT2063_REG_LNA_TGT] & (u8) ~0x3F) | + (LNATGT[Mode] & 0x3F); + if (state->reg[MT2063_REG_LNA_TGT] != val) + status |= mt2063_setreg(state, MT2063_REG_LNA_TGT, val); + } + + /* ACRF */ + if (status >= 0) { + u8 val = (state->reg[MT2063_REG_RF_OV] & (u8) ~0x1F) | + (ACRFMAX[Mode] & 0x1F); + if (state->reg[MT2063_REG_RF_OV] != val) + status |= mt2063_setreg(state, MT2063_REG_RF_OV, val); + } + + /* PD1TGT */ + if (status >= 0) { + u8 val = (state->reg[MT2063_REG_PD1_TGT] & (u8) ~0x3F) | + (PD1TGT[Mode] & 0x3F); + if (state->reg[MT2063_REG_PD1_TGT] != val) + status |= mt2063_setreg(state, MT2063_REG_PD1_TGT, val); + } + + /* FIFATN */ + if (status >= 0) { + u8 val = ACFIFMAX[Mode]; + if (state->reg[MT2063_REG_PART_REV] != MT2063_B3 && val > 5) + val = 5; + val = (state->reg[MT2063_REG_FIF_OV] & (u8) ~0x1F) | + (val & 0x1F); + if (state->reg[MT2063_REG_FIF_OV] != val) + status |= mt2063_setreg(state, MT2063_REG_FIF_OV, val); + } + + /* PD2TGT */ + if (status >= 0) { + u8 val = (state->reg[MT2063_REG_PD2_TGT] & (u8) ~0x3F) | + (PD2TGT[Mode] & 0x3F); + if (state->reg[MT2063_REG_PD2_TGT] != val) + status |= mt2063_setreg(state, MT2063_REG_PD2_TGT, val); + } + + /* Ignore ATN Overload */ + if (status >= 0) { + val = (state->reg[MT2063_REG_LNA_TGT] & (u8) ~0x80) | + (RFOVDIS[Mode] ? 0x80 : 0x00); + if (state->reg[MT2063_REG_LNA_TGT] != val) + status |= mt2063_setreg(state, MT2063_REG_LNA_TGT, val); + } + + /* Ignore FIF Overload */ + if (status >= 0) { + val = (state->reg[MT2063_REG_PD1_TGT] & (u8) ~0x80) | + (FIFOVDIS[Mode] ? 0x80 : 0x00); + if (state->reg[MT2063_REG_PD1_TGT] != val) + status |= mt2063_setreg(state, MT2063_REG_PD1_TGT, val); + } + + if (status >= 0) { + state->rcvr_mode = Mode; + dprintk(1, "mt2063 mode changed to %s\n", + mt2063_mode_name[state->rcvr_mode]); + } + + return status; +} + +/* + * MT2063_ClearPowerMaskBits () - Clears the power-down mask bits for various + * sections of the MT2063 + * + * @Bits: Mask bits to be cleared. + * + * See definition of MT2063_Mask_Bits type for description + * of each of the power bits. + */ +static u32 MT2063_ClearPowerMaskBits(struct mt2063_state *state, + enum MT2063_Mask_Bits Bits) +{ + u32 status = 0; + + dprintk(2, "\n"); + Bits = (enum MT2063_Mask_Bits)(Bits & MT2063_ALL_SD); /* Only valid bits for this tuner */ + if ((Bits & 0xFF00) != 0) { + state->reg[MT2063_REG_PWR_2] &= ~(u8) (Bits >> 8); + status |= + mt2063_write(state, + MT2063_REG_PWR_2, + &state->reg[MT2063_REG_PWR_2], 1); + } + if ((Bits & 0xFF) != 0) { + state->reg[MT2063_REG_PWR_1] &= ~(u8) (Bits & 0xFF); + status |= + mt2063_write(state, + MT2063_REG_PWR_1, + &state->reg[MT2063_REG_PWR_1], 1); + } + + return status; +} + +/* + * MT2063_SoftwareShutdown() - Enables or disables software shutdown function. + * When Shutdown is 1, any section whose power + * mask is set will be shutdown. + */ +static u32 MT2063_SoftwareShutdown(struct mt2063_state *state, u8 Shutdown) +{ + u32 status; + + dprintk(2, "\n"); + if (Shutdown == 1) + state->reg[MT2063_REG_PWR_1] |= 0x04; + else + state->reg[MT2063_REG_PWR_1] &= ~0x04; + + status = mt2063_write(state, + MT2063_REG_PWR_1, + &state->reg[MT2063_REG_PWR_1], 1); + + if (Shutdown != 1) { + state->reg[MT2063_REG_BYP_CTRL] = + (state->reg[MT2063_REG_BYP_CTRL] & 0x9F) | 0x40; + status |= + mt2063_write(state, + MT2063_REG_BYP_CTRL, + &state->reg[MT2063_REG_BYP_CTRL], + 1); + state->reg[MT2063_REG_BYP_CTRL] = + (state->reg[MT2063_REG_BYP_CTRL] & 0x9F); + status |= + mt2063_write(state, + MT2063_REG_BYP_CTRL, + &state->reg[MT2063_REG_BYP_CTRL], + 1); + } + + return status; +} + +static u32 MT2063_Round_fLO(u32 f_LO, u32 f_LO_Step, u32 f_ref) +{ + return f_ref * (f_LO / f_ref) + + f_LO_Step * (((f_LO % f_ref) + (f_LO_Step / 2)) / f_LO_Step); +} + +/** + * fLO_FractionalTerm() - Calculates the portion contributed by FracN / denom. + * This function preserves maximum precision without + * risk of overflow. It accurately calculates + * f_ref * num / denom to within 1 HZ with fixed math. + * + * @num : Fractional portion of the multiplier + * @denom: denominator portion of the ratio + * @f_Ref: SRO frequency. + * + * This calculation handles f_ref as two separate 14-bit fields. + * Therefore, a maximum value of 2^28-1 may safely be used for f_ref. + * This is the genesis of the magic number "14" and the magic mask value of + * 0x03FFF. + * + * This routine successfully handles denom values up to and including 2^18. + * Returns: f_ref * num / denom + */ +static u32 MT2063_fLO_FractionalTerm(u32 f_ref, u32 num, u32 denom) +{ + u32 t1 = (f_ref >> 14) * num; + u32 term1 = t1 / denom; + u32 loss = t1 % denom; + u32 term2 = + (((f_ref & 0x00003FFF) * num + (loss << 14)) + (denom / 2)) / denom; + return (term1 << 14) + term2; +} + +/* + * CalcLO1Mult()- Calculates Integer divider value and the numerator + * value for a FracN PLL. + * + * This function assumes that the f_LO and f_Ref are + * evenly divisible by f_LO_Step. + * + * @Div: OUTPUT: Whole number portion of the multiplier + * @FracN: OUTPUT: Fractional portion of the multiplier + * @f_LO: desired LO frequency. + * @f_LO_Step: Minimum step size for the LO (in Hz). + * @f_Ref: SRO frequency. + * @f_Avoid: Range of PLL frequencies to avoid near integer multiples + * of f_Ref (in Hz). + * + * Returns: Recalculated LO frequency. + */ +static u32 MT2063_CalcLO1Mult(u32 *Div, + u32 *FracN, + u32 f_LO, + u32 f_LO_Step, u32 f_Ref) +{ + /* Calculate the whole number portion of the divider */ + *Div = f_LO / f_Ref; + + /* Calculate the numerator value (round to nearest f_LO_Step) */ + *FracN = + (64 * (((f_LO % f_Ref) + (f_LO_Step / 2)) / f_LO_Step) + + (f_Ref / f_LO_Step / 2)) / (f_Ref / f_LO_Step); + + return (f_Ref * (*Div)) + MT2063_fLO_FractionalTerm(f_Ref, *FracN, 64); +} + +/** + * CalcLO2Mult() - Calculates Integer divider value and the numerator + * value for a FracN PLL. + * + * This function assumes that the f_LO and f_Ref are + * evenly divisible by f_LO_Step. + * + * @Div: OUTPUT: Whole number portion of the multiplier + * @FracN: OUTPUT: Fractional portion of the multiplier + * @f_LO: desired LO frequency. + * @f_LO_Step: Minimum step size for the LO (in Hz). + * @f_Ref: SRO frequency. + * @f_Avoid: Range of PLL frequencies to avoid near + * integer multiples of f_Ref (in Hz). + * + * Returns: Recalculated LO frequency. + */ +static u32 MT2063_CalcLO2Mult(u32 *Div, + u32 *FracN, + u32 f_LO, + u32 f_LO_Step, u32 f_Ref) +{ + /* Calculate the whole number portion of the divider */ + *Div = f_LO / f_Ref; + + /* Calculate the numerator value (round to nearest f_LO_Step) */ + *FracN = + (8191 * (((f_LO % f_Ref) + (f_LO_Step / 2)) / f_LO_Step) + + (f_Ref / f_LO_Step / 2)) / (f_Ref / f_LO_Step); + + return (f_Ref * (*Div)) + MT2063_fLO_FractionalTerm(f_Ref, *FracN, + 8191); +} + +/* + * FindClearTuneFilter() - Calculate the corrrect ClearTune filter to be + * used for a given input frequency. + * + * @state: ptr to tuner data structure + * @f_in: RF input center frequency (in Hz). + * + * Returns: ClearTune filter number (0-31) + */ +static u32 FindClearTuneFilter(struct mt2063_state *state, u32 f_in) +{ + u32 RFBand; + u32 idx; /* index loop */ + + /* + ** Find RF Band setting + */ + RFBand = 31; /* def when f_in > all */ + for (idx = 0; idx < 31; ++idx) { + if (state->CTFiltMax[idx] >= f_in) { + RFBand = idx; + break; + } + } + return RFBand; +} + +/* + * MT2063_Tune() - Change the tuner's tuned frequency to RFin. + */ +static u32 MT2063_Tune(struct mt2063_state *state, u32 f_in) +{ /* RF input center frequency */ + + u32 status = 0; + u32 LO1; /* 1st LO register value */ + u32 Num1; /* Numerator for LO1 reg. value */ + u32 f_IF1; /* 1st IF requested */ + u32 LO2; /* 2nd LO register value */ + u32 Num2; /* Numerator for LO2 reg. value */ + u32 ofLO1, ofLO2; /* last time's LO frequencies */ + u8 fiffc = 0x80; /* FIFF center freq from tuner */ + u32 fiffof; /* Offset from FIFF center freq */ + const u8 LO1LK = 0x80; /* Mask for LO1 Lock bit */ + u8 LO2LK = 0x08; /* Mask for LO2 Lock bit */ + u8 val; + u32 RFBand; + + dprintk(2, "\n"); + /* Check the input and output frequency ranges */ + if ((f_in < MT2063_MIN_FIN_FREQ) || (f_in > MT2063_MAX_FIN_FREQ)) + return -EINVAL; + + if ((state->AS_Data.f_out < MT2063_MIN_FOUT_FREQ) + || (state->AS_Data.f_out > MT2063_MAX_FOUT_FREQ)) + return -EINVAL; + + /* + * Save original LO1 and LO2 register values + */ + ofLO1 = state->AS_Data.f_LO1; + ofLO2 = state->AS_Data.f_LO2; + + /* + * Find and set RF Band setting + */ + if (state->ctfilt_sw == 1) { + val = (state->reg[MT2063_REG_CTUNE_CTRL] | 0x08); + if (state->reg[MT2063_REG_CTUNE_CTRL] != val) { + status |= + mt2063_setreg(state, MT2063_REG_CTUNE_CTRL, val); + } + val = state->reg[MT2063_REG_CTUNE_OV]; + RFBand = FindClearTuneFilter(state, f_in); + state->reg[MT2063_REG_CTUNE_OV] = + (u8) ((state->reg[MT2063_REG_CTUNE_OV] & ~0x1F) + | RFBand); + if (state->reg[MT2063_REG_CTUNE_OV] != val) { + status |= + mt2063_setreg(state, MT2063_REG_CTUNE_OV, val); + } + } + + /* + * Read the FIFF Center Frequency from the tuner + */ + if (status >= 0) { + status |= + mt2063_read(state, + MT2063_REG_FIFFC, + &state->reg[MT2063_REG_FIFFC], 1); + fiffc = state->reg[MT2063_REG_FIFFC]; + } + /* + * Assign in the requested values + */ + state->AS_Data.f_in = f_in; + /* Request a 1st IF such that LO1 is on a step size */ + state->AS_Data.f_if1_Request = + MT2063_Round_fLO(state->AS_Data.f_if1_Request + f_in, + state->AS_Data.f_LO1_Step, + state->AS_Data.f_ref) - f_in; + + /* + * Calculate frequency settings. f_IF1_FREQ + f_in is the + * desired LO1 frequency + */ + MT2063_ResetExclZones(&state->AS_Data); + + f_IF1 = MT2063_ChooseFirstIF(&state->AS_Data); + + state->AS_Data.f_LO1 = + MT2063_Round_fLO(f_IF1 + f_in, state->AS_Data.f_LO1_Step, + state->AS_Data.f_ref); + + state->AS_Data.f_LO2 = + MT2063_Round_fLO(state->AS_Data.f_LO1 - state->AS_Data.f_out - f_in, + state->AS_Data.f_LO2_Step, state->AS_Data.f_ref); + + /* + * Check for any LO spurs in the output bandwidth and adjust + * the LO settings to avoid them if needed + */ + status |= MT2063_AvoidSpurs(&state->AS_Data); + /* + * MT_AvoidSpurs spurs may have changed the LO1 & LO2 values. + * Recalculate the LO frequencies and the values to be placed + * in the tuning registers. + */ + state->AS_Data.f_LO1 = + MT2063_CalcLO1Mult(&LO1, &Num1, state->AS_Data.f_LO1, + state->AS_Data.f_LO1_Step, state->AS_Data.f_ref); + state->AS_Data.f_LO2 = + MT2063_Round_fLO(state->AS_Data.f_LO1 - state->AS_Data.f_out - f_in, + state->AS_Data.f_LO2_Step, state->AS_Data.f_ref); + state->AS_Data.f_LO2 = + MT2063_CalcLO2Mult(&LO2, &Num2, state->AS_Data.f_LO2, + state->AS_Data.f_LO2_Step, state->AS_Data.f_ref); + + /* + * Check the upconverter and downconverter frequency ranges + */ + if ((state->AS_Data.f_LO1 < MT2063_MIN_UPC_FREQ) + || (state->AS_Data.f_LO1 > MT2063_MAX_UPC_FREQ)) + status |= MT2063_UPC_RANGE; + if ((state->AS_Data.f_LO2 < MT2063_MIN_DNC_FREQ) + || (state->AS_Data.f_LO2 > MT2063_MAX_DNC_FREQ)) + status |= MT2063_DNC_RANGE; + /* LO2 Lock bit was in a different place for B0 version */ + if (state->tuner_id == MT2063_B0) + LO2LK = 0x40; + + /* + * If we have the same LO frequencies and we're already locked, + * then skip re-programming the LO registers. + */ + if ((ofLO1 != state->AS_Data.f_LO1) + || (ofLO2 != state->AS_Data.f_LO2) + || ((state->reg[MT2063_REG_LO_STATUS] & (LO1LK | LO2LK)) != + (LO1LK | LO2LK))) { + /* + * Calculate the FIFFOF register value + * + * IF1_Actual + * FIFFOF = ------------ - 8 * FIFFC - 4992 + * f_ref/64 + */ + fiffof = + (state->AS_Data.f_LO1 - + f_in) / (state->AS_Data.f_ref / 64) - 8 * (u32) fiffc - + 4992; + if (fiffof > 0xFF) + fiffof = 0xFF; + + /* + * Place all of the calculated values into the local tuner + * register fields. + */ + if (status >= 0) { + state->reg[MT2063_REG_LO1CQ_1] = (u8) (LO1 & 0xFF); /* DIV1q */ + state->reg[MT2063_REG_LO1CQ_2] = (u8) (Num1 & 0x3F); /* NUM1q */ + state->reg[MT2063_REG_LO2CQ_1] = (u8) (((LO2 & 0x7F) << 1) /* DIV2q */ + |(Num2 >> 12)); /* NUM2q (hi) */ + state->reg[MT2063_REG_LO2CQ_2] = (u8) ((Num2 & 0x0FF0) >> 4); /* NUM2q (mid) */ + state->reg[MT2063_REG_LO2CQ_3] = (u8) (0xE0 | (Num2 & 0x000F)); /* NUM2q (lo) */ + + /* + * Now write out the computed register values + * IMPORTANT: There is a required order for writing + * (0x05 must follow all the others). + */ + status |= mt2063_write(state, MT2063_REG_LO1CQ_1, &state->reg[MT2063_REG_LO1CQ_1], 5); /* 0x01 - 0x05 */ + if (state->tuner_id == MT2063_B0) { + /* Re-write the one-shot bits to trigger the tune operation */ + status |= mt2063_write(state, MT2063_REG_LO2CQ_3, &state->reg[MT2063_REG_LO2CQ_3], 1); /* 0x05 */ + } + /* Write out the FIFF offset only if it's changing */ + if (state->reg[MT2063_REG_FIFF_OFFSET] != + (u8) fiffof) { + state->reg[MT2063_REG_FIFF_OFFSET] = + (u8) fiffof; + status |= + mt2063_write(state, + MT2063_REG_FIFF_OFFSET, + &state-> + reg[MT2063_REG_FIFF_OFFSET], + 1); + } + } + + /* + * Check for LO's locking + */ + + if (status < 0) + return status; + + status = mt2063_lockStatus(state); + if (status < 0) + return status; + if (!status) + return -EINVAL; /* Couldn't lock */ + + /* + * If we locked OK, assign calculated data to mt2063_state structure + */ + state->f_IF1_actual = state->AS_Data.f_LO1 - f_in; + } + + return status; +} + +static const u8 MT2063B0_defaults[] = { + /* Reg, Value */ + 0x19, 0x05, + 0x1B, 0x1D, + 0x1C, 0x1F, + 0x1D, 0x0F, + 0x1E, 0x3F, + 0x1F, 0x0F, + 0x20, 0x3F, + 0x22, 0x21, + 0x23, 0x3F, + 0x24, 0x20, + 0x25, 0x3F, + 0x27, 0xEE, + 0x2C, 0x27, /* bit at 0x20 is cleared below */ + 0x30, 0x03, + 0x2C, 0x07, /* bit at 0x20 is cleared here */ + 0x2D, 0x87, + 0x2E, 0xAA, + 0x28, 0xE1, /* Set the FIFCrst bit here */ + 0x28, 0xE0, /* Clear the FIFCrst bit here */ + 0x00 +}; + +/* writing 0x05 0xf0 sw-resets all registers, so we write only needed changes */ +static const u8 MT2063B1_defaults[] = { + /* Reg, Value */ + 0x05, 0xF0, + 0x11, 0x10, /* New Enable AFCsd */ + 0x19, 0x05, + 0x1A, 0x6C, + 0x1B, 0x24, + 0x1C, 0x28, + 0x1D, 0x8F, + 0x1E, 0x14, + 0x1F, 0x8F, + 0x20, 0x57, + 0x22, 0x21, /* New - ver 1.03 */ + 0x23, 0x3C, /* New - ver 1.10 */ + 0x24, 0x20, /* New - ver 1.03 */ + 0x2C, 0x24, /* bit at 0x20 is cleared below */ + 0x2D, 0x87, /* FIFFQ=0 */ + 0x2F, 0xF3, + 0x30, 0x0C, /* New - ver 1.11 */ + 0x31, 0x1B, /* New - ver 1.11 */ + 0x2C, 0x04, /* bit at 0x20 is cleared here */ + 0x28, 0xE1, /* Set the FIFCrst bit here */ + 0x28, 0xE0, /* Clear the FIFCrst bit here */ + 0x00 +}; + +/* writing 0x05 0xf0 sw-resets all registers, so we write only needed changes */ +static const u8 MT2063B3_defaults[] = { + /* Reg, Value */ + 0x05, 0xF0, + 0x19, 0x3D, + 0x2C, 0x24, /* bit at 0x20 is cleared below */ + 0x2C, 0x04, /* bit at 0x20 is cleared here */ + 0x28, 0xE1, /* Set the FIFCrst bit here */ + 0x28, 0xE0, /* Clear the FIFCrst bit here */ + 0x00 +}; + +static int mt2063_init(struct dvb_frontend *fe) +{ + u32 status; + struct mt2063_state *state = fe->tuner_priv; + u8 all_resets = 0xF0; /* reset/load bits */ + const u8 *def = NULL; + char *step; + u32 FCRUN; + s32 maxReads; + u32 fcu_osc; + u32 i; + + dprintk(2, "\n"); + + state->rcvr_mode = MT2063_CABLE_QAM; + + /* Read the Part/Rev code from the tuner */ + status = mt2063_read(state, MT2063_REG_PART_REV, + &state->reg[MT2063_REG_PART_REV], 1); + if (status < 0) { + printk(KERN_ERR "Can't read mt2063 part ID\n"); + return status; + } + + /* Check the part/rev code */ + switch (state->reg[MT2063_REG_PART_REV]) { + case MT2063_B0: + step = "B0"; + break; + case MT2063_B1: + step = "B1"; + break; + case MT2063_B2: + step = "B2"; + break; + case MT2063_B3: + step = "B3"; + break; + default: + printk(KERN_ERR "mt2063: Unknown mt2063 device ID (0x%02x)\n", + state->reg[MT2063_REG_PART_REV]); + return -ENODEV; /* Wrong tuner Part/Rev code */ + } + + /* Check the 2nd byte of the Part/Rev code from the tuner */ + status = mt2063_read(state, MT2063_REG_RSVD_3B, + &state->reg[MT2063_REG_RSVD_3B], 1); + + /* b7 != 0 ==> NOT MT2063 */ + if (status < 0 || ((state->reg[MT2063_REG_RSVD_3B] & 0x80) != 0x00)) { + printk(KERN_ERR "mt2063: Unknown part ID (0x%02x%02x)\n", + state->reg[MT2063_REG_PART_REV], + state->reg[MT2063_REG_RSVD_3B]); + return -ENODEV; /* Wrong tuner Part/Rev code */ + } + + printk(KERN_INFO "mt2063: detected a mt2063 %s\n", step); + + /* Reset the tuner */ + status = mt2063_write(state, MT2063_REG_LO2CQ_3, &all_resets, 1); + if (status < 0) + return status; + + /* change all of the default values that vary from the HW reset values */ + /* def = (state->reg[PART_REV] == MT2063_B0) ? MT2063B0_defaults : MT2063B1_defaults; */ + switch (state->reg[MT2063_REG_PART_REV]) { + case MT2063_B3: + def = MT2063B3_defaults; + break; + + case MT2063_B1: + def = MT2063B1_defaults; + break; + + case MT2063_B0: + def = MT2063B0_defaults; + break; + + default: + return -ENODEV; + break; + } + + while (status >= 0 && *def) { + u8 reg = *def++; + u8 val = *def++; + status = mt2063_write(state, reg, &val, 1); + } + if (status < 0) + return status; + + /* Wait for FIFF location to complete. */ + FCRUN = 1; + maxReads = 10; + while (status >= 0 && (FCRUN != 0) && (maxReads-- > 0)) { + msleep(2); + status = mt2063_read(state, + MT2063_REG_XO_STATUS, + &state-> + reg[MT2063_REG_XO_STATUS], 1); + FCRUN = (state->reg[MT2063_REG_XO_STATUS] & 0x40) >> 6; + } + + if (FCRUN != 0 || status < 0) + return -ENODEV; + + status = mt2063_read(state, + MT2063_REG_FIFFC, + &state->reg[MT2063_REG_FIFFC], 1); + if (status < 0) + return status; + + /* Read back all the registers from the tuner */ + status = mt2063_read(state, + MT2063_REG_PART_REV, + state->reg, MT2063_REG_END_REGS); + if (status < 0) + return status; + + /* Initialize the tuner state. */ + state->tuner_id = state->reg[MT2063_REG_PART_REV]; + state->AS_Data.f_ref = MT2063_REF_FREQ; + state->AS_Data.f_if1_Center = (state->AS_Data.f_ref / 8) * + ((u32) state->reg[MT2063_REG_FIFFC] + 640); + state->AS_Data.f_if1_bw = MT2063_IF1_BW; + state->AS_Data.f_out = 43750000UL; + state->AS_Data.f_out_bw = 6750000UL; + state->AS_Data.f_zif_bw = MT2063_ZIF_BW; + state->AS_Data.f_LO1_Step = state->AS_Data.f_ref / 64; + state->AS_Data.f_LO2_Step = MT2063_TUNE_STEP_SIZE; + state->AS_Data.maxH1 = MT2063_MAX_HARMONICS_1; + state->AS_Data.maxH2 = MT2063_MAX_HARMONICS_2; + state->AS_Data.f_min_LO_Separation = MT2063_MIN_LO_SEP; + state->AS_Data.f_if1_Request = state->AS_Data.f_if1_Center; + state->AS_Data.f_LO1 = 2181000000UL; + state->AS_Data.f_LO2 = 1486249786UL; + state->f_IF1_actual = state->AS_Data.f_if1_Center; + state->AS_Data.f_in = state->AS_Data.f_LO1 - state->f_IF1_actual; + state->AS_Data.f_LO1_FracN_Avoid = MT2063_LO1_FRACN_AVOID; + state->AS_Data.f_LO2_FracN_Avoid = MT2063_LO2_FRACN_AVOID; + state->num_regs = MT2063_REG_END_REGS; + state->AS_Data.avoidDECT = MT2063_AVOID_BOTH; + state->ctfilt_sw = 0; + + state->CTFiltMax[0] = 69230000; + state->CTFiltMax[1] = 105770000; + state->CTFiltMax[2] = 140350000; + state->CTFiltMax[3] = 177110000; + state->CTFiltMax[4] = 212860000; + state->CTFiltMax[5] = 241130000; + state->CTFiltMax[6] = 274370000; + state->CTFiltMax[7] = 309820000; + state->CTFiltMax[8] = 342450000; + state->CTFiltMax[9] = 378870000; + state->CTFiltMax[10] = 416210000; + state->CTFiltMax[11] = 456500000; + state->CTFiltMax[12] = 495790000; + state->CTFiltMax[13] = 534530000; + state->CTFiltMax[14] = 572610000; + state->CTFiltMax[15] = 598970000; + state->CTFiltMax[16] = 635910000; + state->CTFiltMax[17] = 672130000; + state->CTFiltMax[18] = 714840000; + state->CTFiltMax[19] = 739660000; + state->CTFiltMax[20] = 770410000; + state->CTFiltMax[21] = 814660000; + state->CTFiltMax[22] = 846950000; + state->CTFiltMax[23] = 867820000; + state->CTFiltMax[24] = 915980000; + state->CTFiltMax[25] = 947450000; + state->CTFiltMax[26] = 983110000; + state->CTFiltMax[27] = 1021630000; + state->CTFiltMax[28] = 1061870000; + state->CTFiltMax[29] = 1098330000; + state->CTFiltMax[30] = 1138990000; + + /* + ** Fetch the FCU osc value and use it and the fRef value to + ** scale all of the Band Max values + */ + + state->reg[MT2063_REG_CTUNE_CTRL] = 0x0A; + status = mt2063_write(state, MT2063_REG_CTUNE_CTRL, + &state->reg[MT2063_REG_CTUNE_CTRL], 1); + if (status < 0) + return status; + + /* Read the ClearTune filter calibration value */ + status = mt2063_read(state, MT2063_REG_FIFFC, + &state->reg[MT2063_REG_FIFFC], 1); + if (status < 0) + return status; + + fcu_osc = state->reg[MT2063_REG_FIFFC]; + + state->reg[MT2063_REG_CTUNE_CTRL] = 0x00; + status = mt2063_write(state, MT2063_REG_CTUNE_CTRL, + &state->reg[MT2063_REG_CTUNE_CTRL], 1); + if (status < 0) + return status; + + /* Adjust each of the values in the ClearTune filter cross-over table */ + for (i = 0; i < 31; i++) + state->CTFiltMax[i] = (state->CTFiltMax[i] / 768) * (fcu_osc + 640); + + status = MT2063_SoftwareShutdown(state, 1); + if (status < 0) + return status; + status = MT2063_ClearPowerMaskBits(state, MT2063_ALL_SD); + if (status < 0) + return status; + + state->init = true; + + return 0; +} + +static int mt2063_get_status(struct dvb_frontend *fe, u32 *tuner_status) +{ + struct mt2063_state *state = fe->tuner_priv; + int status; + + dprintk(2, "\n"); + + if (!state->init) + return -ENODEV; + + *tuner_status = 0; + status = mt2063_lockStatus(state); + if (status < 0) + return status; + if (status) + *tuner_status = TUNER_STATUS_LOCKED; + + dprintk(1, "Tuner status: %d", *tuner_status); + + return 0; +} + +static int mt2063_release(struct dvb_frontend *fe) +{ + struct mt2063_state *state = fe->tuner_priv; + + dprintk(2, "\n"); + + fe->tuner_priv = NULL; + kfree(state); + + return 0; +} + +static int mt2063_set_analog_params(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct mt2063_state *state = fe->tuner_priv; + s32 pict_car; + s32 pict2chanb_vsb; + s32 ch_bw; + s32 if_mid; + s32 rcvr_mode; + int status; + + dprintk(2, "\n"); + + if (!state->init) { + status = mt2063_init(fe); + if (status < 0) + return status; + } + + switch (params->mode) { + case V4L2_TUNER_RADIO: + pict_car = 38900000; + ch_bw = 8000000; + pict2chanb_vsb = -(ch_bw / 2); + rcvr_mode = MT2063_OFFAIR_ANALOG; + break; + case V4L2_TUNER_ANALOG_TV: + rcvr_mode = MT2063_CABLE_ANALOG; + if (params->std & ~V4L2_STD_MN) { + pict_car = 38900000; + ch_bw = 6000000; + pict2chanb_vsb = -1250000; + } else if (params->std & V4L2_STD_PAL_G) { + pict_car = 38900000; + ch_bw = 7000000; + pict2chanb_vsb = -1250000; + } else { /* PAL/SECAM standards */ + pict_car = 38900000; + ch_bw = 8000000; + pict2chanb_vsb = -1250000; + } + break; + default: + return -EINVAL; + } + if_mid = pict_car - (pict2chanb_vsb + (ch_bw / 2)); + + state->AS_Data.f_LO2_Step = 125000; /* FIXME: probably 5000 for FM */ + state->AS_Data.f_out = if_mid; + state->AS_Data.f_out_bw = ch_bw + 750000; + status = MT2063_SetReceiverMode(state, rcvr_mode); + if (status < 0) + return status; + + dprintk(1, "Tuning to frequency: %d, bandwidth %d, foffset %d\n", + params->frequency, ch_bw, pict2chanb_vsb); + + status = MT2063_Tune(state, (params->frequency + (pict2chanb_vsb + (ch_bw / 2)))); + if (status < 0) + return status; + + state->frequency = params->frequency; + return 0; +} + +/* + * As defined on EN 300 429, the DVB-C roll-off factor is 0.15. + * So, the amount of the needed bandwith is given by: + * Bw = Symbol_rate * (1 + 0.15) + * As such, the maximum symbol rate supported by 6 MHz is given by: + * max_symbol_rate = 6 MHz / 1.15 = 5217391 Bauds + */ +#define MAX_SYMBOL_RATE_6MHz 5217391 + +static int mt2063_set_params(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct mt2063_state *state = fe->tuner_priv; + int status; + s32 pict_car; + s32 pict2chanb_vsb; + s32 ch_bw; + s32 if_mid; + s32 rcvr_mode; + + if (!state->init) { + status = mt2063_init(fe); + if (status < 0) + return status; + } + + dprintk(2, "\n"); + + if (c->bandwidth_hz == 0) + return -EINVAL; + if (c->bandwidth_hz <= 6000000) + ch_bw = 6000000; + else if (c->bandwidth_hz <= 7000000) + ch_bw = 7000000; + else + ch_bw = 8000000; + + switch (c->delivery_system) { + case SYS_DVBT: + rcvr_mode = MT2063_OFFAIR_COFDM; + pict_car = 36125000; + pict2chanb_vsb = -(ch_bw / 2); + break; + case SYS_DVBC_ANNEX_A: + case SYS_DVBC_ANNEX_C: + rcvr_mode = MT2063_CABLE_QAM; + pict_car = 36125000; + pict2chanb_vsb = -(ch_bw / 2); + break; + default: + return -EINVAL; + } + if_mid = pict_car - (pict2chanb_vsb + (ch_bw / 2)); + + state->AS_Data.f_LO2_Step = 125000; /* FIXME: probably 5000 for FM */ + state->AS_Data.f_out = if_mid; + state->AS_Data.f_out_bw = ch_bw + 750000; + status = MT2063_SetReceiverMode(state, rcvr_mode); + if (status < 0) + return status; + + dprintk(1, "Tuning to frequency: %d, bandwidth %d, foffset %d\n", + c->frequency, ch_bw, pict2chanb_vsb); + + status = MT2063_Tune(state, (c->frequency + (pict2chanb_vsb + (ch_bw / 2)))); + + if (status < 0) + return status; + + state->frequency = c->frequency; + return 0; +} + +static int mt2063_get_if_frequency(struct dvb_frontend *fe, u32 *freq) +{ + struct mt2063_state *state = fe->tuner_priv; + + dprintk(2, "\n"); + + if (!state->init) + return -ENODEV; + + *freq = state->AS_Data.f_out; + + dprintk(1, "IF frequency: %d\n", *freq); + + return 0; +} + +static int mt2063_get_bandwidth(struct dvb_frontend *fe, u32 *bw) +{ + struct mt2063_state *state = fe->tuner_priv; + + dprintk(2, "\n"); + + if (!state->init) + return -ENODEV; + + *bw = state->AS_Data.f_out_bw - 750000; + + dprintk(1, "bandwidth: %d\n", *bw); + + return 0; +} + +static struct dvb_tuner_ops mt2063_ops = { + .info = { + .name = "MT2063 Silicon Tuner", + .frequency_min = 45000000, + .frequency_max = 850000000, + .frequency_step = 0, + }, + + .init = mt2063_init, + .sleep = MT2063_Sleep, + .get_status = mt2063_get_status, + .set_analog_params = mt2063_set_analog_params, + .set_params = mt2063_set_params, + .get_if_frequency = mt2063_get_if_frequency, + .get_bandwidth = mt2063_get_bandwidth, + .release = mt2063_release, +}; + +struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe, + struct mt2063_config *config, + struct i2c_adapter *i2c) +{ + struct mt2063_state *state = NULL; + + dprintk(2, "\n"); + + state = kzalloc(sizeof(struct mt2063_state), GFP_KERNEL); + if (state == NULL) + goto error; + + state->config = config; + state->i2c = i2c; + state->frontend = fe; + state->reference = config->refclock / 1000; /* kHz */ + fe->tuner_priv = state; + fe->ops.tuner_ops = mt2063_ops; + + printk(KERN_INFO "%s: Attaching MT2063\n", __func__); + return fe; + +error: + kfree(state); + return NULL; +} +EXPORT_SYMBOL_GPL(mt2063_attach); + +/* + * Ancillary routines visible outside mt2063 + * FIXME: Remove them in favor of using standard tuner callbacks + */ +unsigned int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe) +{ + struct mt2063_state *state = fe->tuner_priv; + int err = 0; + + dprintk(2, "\n"); + + err = MT2063_SoftwareShutdown(state, 1); + if (err < 0) + printk(KERN_ERR "%s: Couldn't shutdown\n", __func__); + + return err; +} +EXPORT_SYMBOL_GPL(tuner_MT2063_SoftwareShutdown); + +unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe) +{ + struct mt2063_state *state = fe->tuner_priv; + int err = 0; + + dprintk(2, "\n"); + + err = MT2063_ClearPowerMaskBits(state, MT2063_ALL_SD); + if (err < 0) + printk(KERN_ERR "%s: Invalid parameter\n", __func__); + + return err; +} +EXPORT_SYMBOL_GPL(tuner_MT2063_ClearPowerMaskBits); + +MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>"); +MODULE_DESCRIPTION("MT2063 Silicon tuner"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/common/tuners/mt2063.h b/drivers/media/common/tuners/mt2063.h new file mode 100644 index 00000000000..62d0e8ec4e9 --- /dev/null +++ b/drivers/media/common/tuners/mt2063.h @@ -0,0 +1,36 @@ +#ifndef __MT2063_H__ +#define __MT2063_H__ + +#include "dvb_frontend.h" + +struct mt2063_config { + u8 tuner_address; + u32 refclock; +}; + +#if defined(CONFIG_MEDIA_TUNER_MT2063) || (defined(CONFIG_MEDIA_TUNER_MT2063_MODULE) && defined(MODULE)) +struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe, + struct mt2063_config *config, + struct i2c_adapter *i2c); + +#else + +static inline struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe, + struct mt2063_config *config, + struct i2c_adapter *i2c) +{ + printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__); + return NULL; +} + +int mt2063_setTune(struct dvb_frontend *fe, u32 f_in, + u32 bw_in, + enum MTTune_atv_standard tv_type); + +/* FIXME: Should use the standard DVB attachment interfaces */ +unsigned int tuner_MT2063_SoftwareShutdown(struct dvb_frontend *fe); +unsigned int tuner_MT2063_ClearPowerMaskBits(struct dvb_frontend *fe); + +#endif /* CONFIG_DVB_MT2063 */ + +#endif /* __MT2063_H__ */ diff --git a/drivers/media/common/tuners/mt2131.c b/drivers/media/common/tuners/mt2131.c index a4f830bb25d..f83b0c1ea6c 100644 --- a/drivers/media/common/tuners/mt2131.c +++ b/drivers/media/common/tuners/mt2131.c @@ -92,9 +92,9 @@ static int mt2131_writeregs(struct mt2131_priv *priv,u8 *buf, u8 len) return 0; } -static int mt2131_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int mt2131_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct mt2131_priv *priv; int ret=0, i; u32 freq; @@ -105,12 +105,8 @@ static int mt2131_set_params(struct dvb_frontend *fe, u8 lockval = 0; priv = fe->tuner_priv; - if (fe->ops.info.type == FE_OFDM) - priv->bandwidth = params->u.ofdm.bandwidth; - else - priv->bandwidth = 0; - freq = params->frequency / 1000; // Hz -> kHz + freq = c->frequency / 1000; /* Hz -> kHz */ dprintk(1, "%s() freq=%d\n", __func__, freq); f_lo1 = freq + MT2131_IF1 * 1000; @@ -193,14 +189,6 @@ static int mt2131_get_frequency(struct dvb_frontend *fe, u32 *frequency) return 0; } -static int mt2131_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) -{ - struct mt2131_priv *priv = fe->tuner_priv; - dprintk(1, "%s()\n", __func__); - *bandwidth = priv->bandwidth; - return 0; -} - static int mt2131_get_status(struct dvb_frontend *fe, u32 *status) { struct mt2131_priv *priv = fe->tuner_priv; @@ -263,7 +251,6 @@ static const struct dvb_tuner_ops mt2131_tuner_ops = { .set_params = mt2131_set_params, .get_frequency = mt2131_get_frequency, - .get_bandwidth = mt2131_get_bandwidth, .get_status = mt2131_get_status }; @@ -281,7 +268,6 @@ struct dvb_frontend * mt2131_attach(struct dvb_frontend *fe, return NULL; priv->cfg = cfg; - priv->bandwidth = 6000000; /* 6MHz */ priv->i2c = i2c; if (mt2131_readreg(priv, 0, &id) != 0) { diff --git a/drivers/media/common/tuners/mt2131_priv.h b/drivers/media/common/tuners/mt2131_priv.h index 4e05a67e88c..62aeedf5c55 100644 --- a/drivers/media/common/tuners/mt2131_priv.h +++ b/drivers/media/common/tuners/mt2131_priv.h @@ -38,7 +38,6 @@ struct mt2131_priv { struct i2c_adapter *i2c; u32 frequency; - u32 bandwidth; }; #endif /* __MT2131_PRIV_H__ */ diff --git a/drivers/media/common/tuners/mt2266.c b/drivers/media/common/tuners/mt2266.c index 25a8ea342c4..bca4d75e42d 100644 --- a/drivers/media/common/tuners/mt2266.c +++ b/drivers/media/common/tuners/mt2266.c @@ -122,8 +122,9 @@ static u8 mt2266_vhf[] = { 0x1d, 0xfe, 0x00, 0x00, 0xb4, 0x03, 0xa5, 0xa5, #define FREF 30000 // Quartz oscillator 30 MHz -static int mt2266_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +static int mt2266_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct mt2266_priv *priv; int ret=0; u32 freq; @@ -135,32 +136,32 @@ static int mt2266_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame priv = fe->tuner_priv; - freq = params->frequency / 1000; // Hz -> kHz + freq = priv->frequency / 1000; /* Hz -> kHz */ if (freq < 470000 && freq > 230000) return -EINVAL; /* Gap between VHF and UHF bands */ - priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; - priv->frequency = freq * 1000; + priv->frequency = c->frequency; tune = 2 * freq * (8192/16) / (FREF/16); band = (freq < 300000) ? MT2266_VHF : MT2266_UHF; if (band == MT2266_VHF) tune *= 2; - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: + switch (c->bandwidth_hz) { + case 6000000: mt2266_writeregs(priv, mt2266_init_6mhz, sizeof(mt2266_init_6mhz)); break; - case BANDWIDTH_7_MHZ: - mt2266_writeregs(priv, mt2266_init_7mhz, - sizeof(mt2266_init_7mhz)); - break; - case BANDWIDTH_8_MHZ: - default: + case 8000000: mt2266_writeregs(priv, mt2266_init_8mhz, sizeof(mt2266_init_8mhz)); break; + case 7000000: + default: + mt2266_writeregs(priv, mt2266_init_7mhz, + sizeof(mt2266_init_7mhz)); + break; } + priv->bandwidth = c->bandwidth_hz; if (band == MT2266_VHF && priv->band == MT2266_UHF) { dprintk("Switch from UHF to VHF"); diff --git a/drivers/media/common/tuners/mxl5005s.c b/drivers/media/common/tuners/mxl5005s.c index 54be9e6faaa..6133315fb0e 100644 --- a/drivers/media/common/tuners/mxl5005s.c +++ b/drivers/media/common/tuners/mxl5005s.c @@ -3979,54 +3979,47 @@ static int mxl5005s_AssignTunerMode(struct dvb_frontend *fe, u32 mod_type, return 0; } -static int mxl5005s_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int mxl5005s_set_params(struct dvb_frontend *fe) { struct mxl5005s_state *state = fe->tuner_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; u32 req_mode, req_bw = 0; int ret; dprintk(1, "%s()\n", __func__); - if (fe->ops.info.type == FE_ATSC) { - switch (params->u.vsb.modulation) { - case VSB_8: - req_mode = MXL_ATSC; break; - default: - case QAM_64: - case QAM_256: - case QAM_AUTO: - req_mode = MXL_QAM; break; - } - } else + switch (delsys) { + case SYS_ATSC: + req_mode = MXL_ATSC; + req_bw = MXL5005S_BANDWIDTH_6MHZ; + break; + case SYS_DVBC_ANNEX_B: + req_mode = MXL_QAM; + req_bw = MXL5005S_BANDWIDTH_6MHZ; + break; + default: /* Assume DVB-T */ req_mode = MXL_DVBT; - - /* Change tuner for new modulation type if reqd */ - if (req_mode != state->current_mode) { - switch (req_mode) { - case MXL_ATSC: - case MXL_QAM: - req_bw = MXL5005S_BANDWIDTH_6MHZ; + switch (bw) { + case 6000000: + req_bw = MXL5005S_BANDWIDTH_6MHZ; + break; + case 7000000: + req_bw = MXL5005S_BANDWIDTH_7MHZ; + break; + case 8000000: + case 0: + req_bw = MXL5005S_BANDWIDTH_8MHZ; break; - case MXL_DVBT: default: - /* Assume DVB-T */ - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: - req_bw = MXL5005S_BANDWIDTH_6MHZ; - break; - case BANDWIDTH_7_MHZ: - req_bw = MXL5005S_BANDWIDTH_7MHZ; - break; - case BANDWIDTH_AUTO: - case BANDWIDTH_8_MHZ: - req_bw = MXL5005S_BANDWIDTH_8MHZ; - break; - default: - return -EINVAL; - } + return -EINVAL; } + } + /* Change tuner for new modulation type if reqd */ + if (req_mode != state->current_mode || + req_bw != state->Chan_Bandwidth) { state->current_mode = req_mode; ret = mxl5005s_reconfigure(fe, req_mode, req_bw); @@ -4034,8 +4027,8 @@ static int mxl5005s_set_params(struct dvb_frontend *fe, ret = 0; if (ret == 0) { - dprintk(1, "%s() freq=%d\n", __func__, params->frequency); - ret = mxl5005s_SetRfFreqHz(fe, params->frequency); + dprintk(1, "%s() freq=%d\n", __func__, c->frequency); + ret = mxl5005s_SetRfFreqHz(fe, c->frequency); } return ret; diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c index 7eb1bf75cd0..69e453ef0a1 100644 --- a/drivers/media/common/tuners/mxl5007t.c +++ b/drivers/media/common/tuners/mxl5007t.c @@ -165,6 +165,8 @@ struct mxl5007t_state { struct reg_pair_t tab_init_cable[ARRAY_SIZE(init_tab_cable)]; struct reg_pair_t tab_rftune[ARRAY_SIZE(reg_pair_rftune)]; + enum mxl5007t_if_freq if_freq; + u32 frequency; u32 bandwidth; }; @@ -286,6 +288,8 @@ static void mxl5007t_set_if_freq_bits(struct mxl5007t_state *state, /* set inverted IF or normal IF */ set_reg_bits(state->tab_init, 0x02, 0x10, invert_if ? 0x10 : 0x00); + state->if_freq = if_freq; + return; } @@ -488,9 +492,10 @@ static int mxl5007t_write_regs(struct mxl5007t_state *state, static int mxl5007t_read_reg(struct mxl5007t_state *state, u8 reg, u8 *val) { + u8 buf[2] = { 0xfb, reg }; struct i2c_msg msg[] = { { .addr = state->i2c_props.addr, .flags = 0, - .buf = ®, .len = 1 }, + .buf = buf, .len = 2 }, { .addr = state->i2c_props.addr, .flags = I2C_M_RD, .buf = val, .len = 1 }, }; @@ -611,47 +616,43 @@ fail: /* ------------------------------------------------------------------------- */ -static int mxl5007t_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int mxl5007t_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; struct mxl5007t_state *state = fe->tuner_priv; enum mxl5007t_bw_mhz bw; enum mxl5007t_mode mode; int ret; - u32 freq = params->frequency; + u32 freq = c->frequency; - if (fe->ops.info.type == FE_ATSC) { - switch (params->u.vsb.modulation) { - case VSB_8: - case VSB_16: - mode = MxL_MODE_ATSC; - break; - case QAM_64: - case QAM_256: - mode = MxL_MODE_CABLE; - break; - default: - mxl_err("modulation not set!"); - return -EINVAL; - } + switch (delsys) { + case SYS_ATSC: + mode = MxL_MODE_ATSC; + bw = MxL_BW_6MHz; + break; + case SYS_DVBC_ANNEX_B: + mode = MxL_MODE_CABLE; bw = MxL_BW_6MHz; - } else if (fe->ops.info.type == FE_OFDM) { - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: + break; + case SYS_DVBT: + case SYS_DVBT2: + mode = MxL_MODE_DVBT; + switch (c->bandwidth_hz) { + case 6000000: bw = MxL_BW_6MHz; break; - case BANDWIDTH_7_MHZ: + case 7000000: bw = MxL_BW_7MHz; break; - case BANDWIDTH_8_MHZ: + case 8000000: bw = MxL_BW_8MHz; break; default: - mxl_err("bandwidth not set!"); return -EINVAL; } - mode = MxL_MODE_DVBT; - } else { + break; + default: mxl_err("modulation type not supported!"); return -EINVAL; } @@ -670,8 +671,7 @@ static int mxl5007t_set_params(struct dvb_frontend *fe, goto fail; state->frequency = freq; - state->bandwidth = (fe->ops.info.type == FE_OFDM) ? - params->u.ofdm.bandwidth : 0; + state->bandwidth = c->bandwidth_hz; fail: mutex_unlock(&state->lock); @@ -737,6 +737,50 @@ static int mxl5007t_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) return 0; } +static int mxl5007t_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct mxl5007t_state *state = fe->tuner_priv; + + *frequency = 0; + + switch (state->if_freq) { + case MxL_IF_4_MHZ: + *frequency = 4000000; + break; + case MxL_IF_4_5_MHZ: + *frequency = 4500000; + break; + case MxL_IF_4_57_MHZ: + *frequency = 4570000; + break; + case MxL_IF_5_MHZ: + *frequency = 5000000; + break; + case MxL_IF_5_38_MHZ: + *frequency = 5380000; + break; + case MxL_IF_6_MHZ: + *frequency = 6000000; + break; + case MxL_IF_6_28_MHZ: + *frequency = 6280000; + break; + case MxL_IF_9_1915_MHZ: + *frequency = 9191500; + break; + case MxL_IF_35_25_MHZ: + *frequency = 35250000; + break; + case MxL_IF_36_15_MHZ: + *frequency = 36150000; + break; + case MxL_IF_44_MHZ: + *frequency = 44000000; + break; + } + return 0; +} + static int mxl5007t_release(struct dvb_frontend *fe) { struct mxl5007t_state *state = fe->tuner_priv; @@ -766,6 +810,7 @@ static struct dvb_tuner_ops mxl5007t_tuner_ops = { .get_frequency = mxl5007t_get_frequency, .get_bandwidth = mxl5007t_get_bandwidth, .release = mxl5007t_release, + .get_if_frequency = mxl5007t_get_if_frequency, }; static int mxl5007t_get_chip_id(struct mxl5007t_state *state) diff --git a/drivers/media/common/tuners/qt1010.c b/drivers/media/common/tuners/qt1010.c index 9f5dba244cb..2d79b1f5d5e 100644 --- a/drivers/media/common/tuners/qt1010.c +++ b/drivers/media/common/tuners/qt1010.c @@ -82,9 +82,9 @@ static void qt1010_dump_regs(struct qt1010_priv *priv) printk(KERN_CONT "\n"); } -static int qt1010_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int qt1010_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct qt1010_priv *priv; int err; u32 freq, div, mod1, mod2; @@ -144,13 +144,11 @@ static int qt1010_set_params(struct dvb_frontend *fe, #define FREQ2 4000000 /* 4 MHz Quartz oscillator in the stick? */ priv = fe->tuner_priv; - freq = params->frequency; + freq = c->frequency; div = (freq + QT1010_OFFSET) / QT1010_STEP; freq = (div * QT1010_STEP) - QT1010_OFFSET; mod1 = (freq + QT1010_OFFSET) % FREQ1; mod2 = (freq + QT1010_OFFSET) % FREQ2; - priv->bandwidth = - (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; priv->frequency = freq; if (fe->ops.i2c_gate_ctrl) @@ -320,7 +318,7 @@ static u8 qt1010_init_meas2(struct qt1010_priv *priv, static int qt1010_init(struct dvb_frontend *fe) { struct qt1010_priv *priv = fe->tuner_priv; - struct dvb_frontend_parameters params; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; int err = 0; u8 i, tmpval, *valptr = NULL; @@ -397,9 +395,9 @@ static int qt1010_init(struct dvb_frontend *fe) if ((err = qt1010_init_meas2(priv, i, &tmpval))) return err; - params.frequency = 545000000; /* Sigmatek DVB-110 545000000 */ + c->frequency = 545000000; /* Sigmatek DVB-110 545000000 */ /* MSI Megasky 580 GL861 533000000 */ - return qt1010_set_params(fe, ¶ms); + return qt1010_set_params(fe); } static int qt1010_release(struct dvb_frontend *fe) @@ -416,10 +414,9 @@ static int qt1010_get_frequency(struct dvb_frontend *fe, u32 *frequency) return 0; } -static int qt1010_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) +static int qt1010_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) { - struct qt1010_priv *priv = fe->tuner_priv; - *bandwidth = priv->bandwidth; + *frequency = 36125000; return 0; } @@ -437,7 +434,7 @@ static const struct dvb_tuner_ops qt1010_tuner_ops = { .set_params = qt1010_set_params, .get_frequency = qt1010_get_frequency, - .get_bandwidth = qt1010_get_bandwidth + .get_if_frequency = qt1010_get_if_frequency, }; struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe, diff --git a/drivers/media/common/tuners/qt1010_priv.h b/drivers/media/common/tuners/qt1010_priv.h index 090cf475f09..2c42d3f0163 100644 --- a/drivers/media/common/tuners/qt1010_priv.h +++ b/drivers/media/common/tuners/qt1010_priv.h @@ -99,7 +99,6 @@ struct qt1010_priv { u8 reg25_init_val; u32 frequency; - u32 bandwidth; }; #endif diff --git a/drivers/media/common/tuners/tda18212.c b/drivers/media/common/tuners/tda18212.c index e29cc2bc113..602c2e392b1 100644 --- a/drivers/media/common/tuners/tda18212.c +++ b/drivers/media/common/tuners/tda18212.c @@ -25,6 +25,8 @@ struct tda18212_priv { struct tda18212_config *cfg; struct i2c_adapter *i2c; + + u32 if_frequency; }; #define dbg(fmt, arg...) \ @@ -128,20 +130,31 @@ static void tda18212_dump_regs(struct tda18212_priv *priv) } #endif -static int tda18212_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *p) +static int tda18212_set_params(struct dvb_frontend *fe) { struct tda18212_priv *priv = fe->tuner_priv; struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret, i; u32 if_khz; u8 buf[9]; + #define DVBT_6 0 + #define DVBT_7 1 + #define DVBT_8 2 + #define DVBT2_6 3 + #define DVBT2_7 4 + #define DVBT2_8 5 + #define DVBC_6 6 + #define DVBC_8 7 static const u8 bw_params[][3] = { - /* 0f 13 23 */ - { 0xb3, 0x20, 0x03 }, /* DVB-T 6 MHz */ - { 0xb3, 0x31, 0x01 }, /* DVB-T 7 MHz */ - { 0xb3, 0x22, 0x01 }, /* DVB-T 8 MHz */ - { 0x92, 0x53, 0x03 }, /* DVB-C */ + /* reg: 0f 13 23 */ + [DVBT_6] = { 0xb3, 0x20, 0x03 }, + [DVBT_7] = { 0xb3, 0x31, 0x01 }, + [DVBT_8] = { 0xb3, 0x22, 0x01 }, + [DVBT2_6] = { 0xbc, 0x20, 0x03 }, + [DVBT2_7] = { 0xbc, 0x72, 0x03 }, + [DVBT2_8] = { 0xbc, 0x22, 0x01 }, + [DVBC_6] = { 0x92, 0x50, 0x03 }, + [DVBC_8] = { 0x92, 0x53, 0x03 }, }; dbg("delsys=%d RF=%d BW=%d\n", @@ -155,24 +168,44 @@ static int tda18212_set_params(struct dvb_frontend *fe, switch (c->bandwidth_hz) { case 6000000: if_khz = priv->cfg->if_dvbt_6; - i = 0; + i = DVBT_6; break; case 7000000: if_khz = priv->cfg->if_dvbt_7; - i = 1; + i = DVBT_7; break; case 8000000: if_khz = priv->cfg->if_dvbt_8; - i = 2; + i = DVBT_8; break; default: ret = -EINVAL; goto error; } break; - case SYS_DVBC_ANNEX_AC: + case SYS_DVBT2: + switch (c->bandwidth_hz) { + case 6000000: + if_khz = priv->cfg->if_dvbt2_6; + i = DVBT2_6; + break; + case 7000000: + if_khz = priv->cfg->if_dvbt2_7; + i = DVBT2_7; + break; + case 8000000: + if_khz = priv->cfg->if_dvbt2_8; + i = DVBT2_8; + break; + default: + ret = -EINVAL; + goto error; + } + break; + case SYS_DVBC_ANNEX_A: + case SYS_DVBC_ANNEX_C: if_khz = priv->cfg->if_dvbc; - i = 3; + i = DVBC_8; break; default: ret = -EINVAL; @@ -194,7 +227,7 @@ static int tda18212_set_params(struct dvb_frontend *fe, buf[0] = 0x02; buf[1] = bw_params[i][1]; buf[2] = 0x03; /* default value */ - buf[3] = if_khz / 50; + buf[3] = DIV_ROUND_CLOSEST(if_khz, 50); buf[4] = ((c->frequency / 1000) >> 16) & 0xff; buf[5] = ((c->frequency / 1000) >> 8) & 0xff; buf[6] = ((c->frequency / 1000) >> 0) & 0xff; @@ -204,6 +237,9 @@ static int tda18212_set_params(struct dvb_frontend *fe, if (ret) goto error; + /* actual IF rounded as it is on register */ + priv->if_frequency = buf[3] * 50 * 1000; + exit: if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); /* close I2C-gate */ @@ -215,6 +251,15 @@ error: goto exit; } +static int tda18212_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct tda18212_priv *priv = fe->tuner_priv; + + *frequency = priv->if_frequency; + + return 0; +} + static int tda18212_release(struct dvb_frontend *fe) { kfree(fe->tuner_priv); @@ -234,6 +279,7 @@ static const struct dvb_tuner_ops tda18212_tuner_ops = { .release = tda18212_release, .set_params = tda18212_set_params, + .get_if_frequency = tda18212_get_if_frequency, }; struct dvb_frontend *tda18212_attach(struct dvb_frontend *fe, diff --git a/drivers/media/common/tuners/tda18212.h b/drivers/media/common/tuners/tda18212.h index 83b497f59e1..9bd5da4aabb 100644 --- a/drivers/media/common/tuners/tda18212.h +++ b/drivers/media/common/tuners/tda18212.h @@ -29,6 +29,10 @@ struct tda18212_config { u16 if_dvbt_6; u16 if_dvbt_7; u16 if_dvbt_8; + u16 if_dvbt2_5; + u16 if_dvbt2_6; + u16 if_dvbt2_7; + u16 if_dvbt2_8; u16 if_dvbc; }; diff --git a/drivers/media/common/tuners/tda18218.c b/drivers/media/common/tuners/tda18218.c index aacfe2387e2..dfb3a831df4 100644 --- a/drivers/media/common/tuners/tda18218.c +++ b/drivers/media/common/tuners/tda18218.c @@ -109,10 +109,11 @@ static int tda18218_rd_reg(struct tda18218_priv *priv, u8 reg, u8 *val) return tda18218_rd_regs(priv, reg, val, 1); } -static int tda18218_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int tda18218_set_params(struct dvb_frontend *fe) { struct tda18218_priv *priv = fe->tuner_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 bw = c->bandwidth_hz; int ret; u8 buf[3], i, BP_Filter, LP_Fc; u32 LO_Frac; @@ -138,22 +139,19 @@ static int tda18218_set_params(struct dvb_frontend *fe, fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */ /* low-pass filter cut-off frequency */ - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: + if (bw <= 6000000) { LP_Fc = 0; - LO_Frac = params->frequency + 4000000; - break; - case BANDWIDTH_7_MHZ: + priv->if_frequency = 3000000; + } else if (bw <= 7000000) { LP_Fc = 1; - LO_Frac = params->frequency + 3500000; - break; - case BANDWIDTH_8_MHZ: - default: + priv->if_frequency = 3500000; + } else { LP_Fc = 2; - LO_Frac = params->frequency + 4000000; - break; + priv->if_frequency = 4000000; } + LO_Frac = c->frequency + priv->if_frequency; + /* band-pass filter */ if (LO_Frac < 188000000) BP_Filter = 3; @@ -206,6 +204,14 @@ error: return ret; } +static int tda18218_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct tda18218_priv *priv = fe->tuner_priv; + *frequency = priv->if_frequency; + dbg("%s: if=%d", __func__, *frequency); + return 0; +} + static int tda18218_sleep(struct dvb_frontend *fe) { struct tda18218_priv *priv = fe->tuner_priv; @@ -268,6 +274,8 @@ static const struct dvb_tuner_ops tda18218_tuner_ops = { .sleep = tda18218_sleep, .set_params = tda18218_set_params, + + .get_if_frequency = tda18218_get_if_frequency, }; struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe, diff --git a/drivers/media/common/tuners/tda18218_priv.h b/drivers/media/common/tuners/tda18218_priv.h index 904e5365c78..dc52b72e140 100644 --- a/drivers/media/common/tuners/tda18218_priv.h +++ b/drivers/media/common/tuners/tda18218_priv.h @@ -100,6 +100,8 @@ struct tda18218_priv { struct tda18218_config *cfg; struct i2c_adapter *i2c; + u32 if_frequency; + u8 regs[TDA18218_NUM_REGS]; }; diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c index 63cc4004e21..2e67f445990 100644 --- a/drivers/media/common/tuners/tda18271-fe.c +++ b/drivers/media/common/tuners/tda18271-fe.c @@ -928,59 +928,49 @@ fail: /* ------------------------------------------------------------------ */ -static int tda18271_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int tda18271_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; + u32 freq = c->frequency; struct tda18271_priv *priv = fe->tuner_priv; struct tda18271_std_map *std_map = &priv->std; struct tda18271_std_map_item *map; int ret; - u32 bw, freq = params->frequency; priv->mode = TDA18271_DIGITAL; - if (fe->ops.info.type == FE_ATSC) { - switch (params->u.vsb.modulation) { - case VSB_8: - case VSB_16: - map = &std_map->atsc_6; - break; - case QAM_64: - case QAM_256: - map = &std_map->qam_6; - break; - default: - tda_warn("modulation not set!\n"); - return -EINVAL; - } -#if 0 - /* userspace request is already center adjusted */ - freq += 1750000; /* Adjust to center (+1.75MHZ) */ -#endif + switch (delsys) { + case SYS_ATSC: + map = &std_map->atsc_6; bw = 6000000; - } else if (fe->ops.info.type == FE_OFDM) { - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: - bw = 6000000; + break; + case SYS_ISDBT: + case SYS_DVBT: + case SYS_DVBT2: + if (bw <= 6000000) { map = &std_map->dvbt_6; - break; - case BANDWIDTH_7_MHZ: - bw = 7000000; + } else if (bw <= 7000000) { map = &std_map->dvbt_7; - break; - case BANDWIDTH_8_MHZ: - bw = 8000000; + } else { map = &std_map->dvbt_8; - break; - default: - tda_warn("bandwidth not set!\n"); - return -EINVAL; } - } else if (fe->ops.info.type == FE_QAM) { - /* DVB-C */ - map = &std_map->qam_8; - bw = 8000000; - } else { + break; + case SYS_DVBC_ANNEX_B: + bw = 6000000; + /* falltrough */ + case SYS_DVBC_ANNEX_A: + case SYS_DVBC_ANNEX_C: + if (bw <= 6000000) { + map = &std_map->qam_6; + } else if (bw <= 7000000) { + map = &std_map->qam_7; + } else { + map = &std_map->qam_8; + } + break; + default: tda_warn("modulation type not supported!\n"); return -EINVAL; } @@ -994,9 +984,9 @@ static int tda18271_set_params(struct dvb_frontend *fe, if (tda_fail(ret)) goto fail; + priv->if_freq = map->if_freq; priv->frequency = freq; - priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? - params->u.ofdm.bandwidth : 0; + priv->bandwidth = bw; fail: return ret; } @@ -1050,6 +1040,7 @@ static int tda18271_set_analog_params(struct dvb_frontend *fe, if (tda_fail(ret)) goto fail; + priv->if_freq = map->if_freq; priv->frequency = freq; priv->bandwidth = 0; fail: @@ -1086,6 +1077,13 @@ static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) return 0; } +static int tda18271_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct tda18271_priv *priv = fe->tuner_priv; + *frequency = (u32)priv->if_freq * 1000; + return 0; +} + /* ------------------------------------------------------------------ */ #define tda18271_update_std(std_cfg, name) do { \ @@ -1245,6 +1243,7 @@ static const struct dvb_tuner_ops tda18271_tuner_ops = { .set_config = tda18271_set_config, .get_frequency = tda18271_get_frequency, .get_bandwidth = tda18271_get_bandwidth, + .get_if_frequency = tda18271_get_if_frequency, }; struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, diff --git a/drivers/media/common/tuners/tda18271-maps.c b/drivers/media/common/tuners/tda18271-maps.c index 3d5b6ab7e33..fb881c667c9 100644 --- a/drivers/media/common/tuners/tda18271-maps.c +++ b/drivers/media/common/tuners/tda18271-maps.c @@ -1213,6 +1213,8 @@ static struct tda18271_std_map tda18271c1_std_map = { .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1e */ .qam_6 = { .if_freq = 4000, .fm_rfn = 0, .agc_mode = 3, .std = 5, .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1d */ + .qam_7 = { .if_freq = 4500, .fm_rfn = 0, .agc_mode = 3, .std = 6, + .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1e */ .qam_8 = { .if_freq = 5000, .fm_rfn = 0, .agc_mode = 3, .std = 7, .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1f */ }; @@ -1244,6 +1246,8 @@ static struct tda18271_std_map tda18271c2_std_map = { .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1d */ .qam_6 = { .if_freq = 4000, .fm_rfn = 0, .agc_mode = 3, .std = 5, .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1d */ + .qam_7 = { .if_freq = 4500, .fm_rfn = 0, .agc_mode = 3, .std = 6, + .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1e */ .qam_8 = { .if_freq = 5000, .fm_rfn = 0, .agc_mode = 3, .std = 7, .if_lvl = 1, .rfagc_top = 0x37, }, /* EP3[4:0] 0x1f */ }; diff --git a/drivers/media/common/tuners/tda18271-priv.h b/drivers/media/common/tuners/tda18271-priv.h index 94340f47562..454c152ccaa 100644 --- a/drivers/media/common/tuners/tda18271-priv.h +++ b/drivers/media/common/tuners/tda18271-priv.h @@ -122,6 +122,8 @@ struct tda18271_priv { struct mutex lock; + u16 if_freq; + u32 frequency; u32 bandwidth; }; diff --git a/drivers/media/common/tuners/tda18271.h b/drivers/media/common/tuners/tda18271.h index 50cfa8cebb9..640bae4e6a5 100644 --- a/drivers/media/common/tuners/tda18271.h +++ b/drivers/media/common/tuners/tda18271.h @@ -53,6 +53,7 @@ struct tda18271_std_map { struct tda18271_std_map_item dvbt_7; struct tda18271_std_map_item dvbt_8; struct tda18271_std_map_item qam_6; + struct tda18271_std_map_item qam_7; struct tda18271_std_map_item qam_8; }; diff --git a/drivers/media/common/tuners/tda827x.c b/drivers/media/common/tuners/tda827x.c index e0d5b43772b..a0d17626747 100644 --- a/drivers/media/common/tuners/tda827x.c +++ b/drivers/media/common/tuners/tda827x.c @@ -152,9 +152,9 @@ static int tuner_transfer(struct dvb_frontend *fe, return rc; } -static int tda827xo_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int tda827xo_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct tda827x_priv *priv = fe->tuner_priv; u8 buf[14]; int rc; @@ -165,18 +165,16 @@ static int tda827xo_set_params(struct dvb_frontend *fe, u32 N; dprintk("%s:\n", __func__); - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: + if (c->bandwidth_hz == 0) { + if_freq = 5000000; + } else if (c->bandwidth_hz <= 6000000) { if_freq = 4000000; - break; - case BANDWIDTH_7_MHZ: + } else if (c->bandwidth_hz <= 7000000) { if_freq = 4500000; - break; - default: /* 8 MHz or Auto */ + } else { /* 8 MHz */ if_freq = 5000000; - break; } - tuner_freq = params->frequency; + tuner_freq = c->frequency; i = 0; while (tda827x_table[i].lomax < tuner_freq) { @@ -220,8 +218,8 @@ static int tda827xo_set_params(struct dvb_frontend *fe, if (rc < 0) goto err; - priv->frequency = params->frequency; - priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; + priv->frequency = c->frequency; + priv->bandwidth = c->bandwidth_hz; return 0; @@ -513,9 +511,9 @@ static void tda827xa_lna_gain(struct dvb_frontend *fe, int high, } } -static int tda827xa_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int tda827xa_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct tda827x_priv *priv = fe->tuner_priv; struct tda827xa_data *frequency_map = tda827xa_dvbt; u8 buf[11]; @@ -531,22 +529,25 @@ static int tda827xa_set_params(struct dvb_frontend *fe, tda827xa_lna_gain(fe, 1, NULL); msleep(20); - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: + if (c->bandwidth_hz == 0) { + if_freq = 5000000; + } else if (c->bandwidth_hz <= 6000000) { if_freq = 4000000; - break; - case BANDWIDTH_7_MHZ: + } else if (c->bandwidth_hz <= 7000000) { if_freq = 4500000; - break; - default: /* 8 MHz or Auto */ + } else { /* 8 MHz */ if_freq = 5000000; - break; } - tuner_freq = params->frequency; + tuner_freq = c->frequency; - if (fe->ops.info.type == FE_QAM) { + switch (c->delivery_system) { + case SYS_DVBC_ANNEX_A: + case SYS_DVBC_ANNEX_C: dprintk("%s select tda827xa_dvbc\n", __func__); frequency_map = tda827xa_dvbc; + break; + default: + break; } i = 0; @@ -645,9 +646,8 @@ static int tda827xa_set_params(struct dvb_frontend *fe, if (rc < 0) goto err; - priv->frequency = params->frequency; - priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0; - + priv->frequency = c->frequency; + priv->bandwidth = c->bandwidth_hz; return 0; diff --git a/drivers/media/common/tuners/tuner-simple.c b/drivers/media/common/tuners/tuner-simple.c index f8ee29e6059..39e7e583c8c 100644 --- a/drivers/media/common/tuners/tuner-simple.c +++ b/drivers/media/common/tuners/tuner-simple.c @@ -751,6 +751,17 @@ static int simple_set_radio_freq(struct dvb_frontend *fe, if (4 != rc) tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); + /* Write AUX byte */ + switch (priv->type) { + case TUNER_PHILIPS_FM1216ME_MK3: + buffer[2] = 0x98; + buffer[3] = 0x20; /* set TOP AGC */ + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); + if (4 != rc) + tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); + break; + } + return 0; } @@ -780,24 +791,26 @@ static int simple_set_params(struct dvb_frontend *fe, } static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, - const struct dvb_frontend_parameters *params) + const u32 delsys, + const u32 frequency, + const u32 bandwidth) { struct tuner_simple_priv *priv = fe->tuner_priv; switch (priv->type) { case TUNER_PHILIPS_FMD1216ME_MK3: case TUNER_PHILIPS_FMD1216MEX_MK3: - if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ && - params->frequency >= 158870000) + if (bandwidth == 8000000 && + frequency >= 158870000) buf[3] |= 0x08; break; case TUNER_PHILIPS_TD1316: /* determine band */ - buf[3] |= (params->frequency < 161000000) ? 1 : - (params->frequency < 444000000) ? 2 : 4; + buf[3] |= (frequency < 161000000) ? 1 : + (frequency < 444000000) ? 2 : 4; /* setup PLL filter */ - if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) + if (bandwidth == 8000000) buf[3] |= 1 << 3; break; case TUNER_PHILIPS_TUV1236D: @@ -808,12 +821,11 @@ static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, if (dtv_input[priv->nr]) new_rf = dtv_input[priv->nr]; else - switch (params->u.vsb.modulation) { - case QAM_64: - case QAM_256: + switch (delsys) { + case SYS_DVBC_ANNEX_B: new_rf = 1; break; - case VSB_8: + case SYS_ATSC: default: new_rf = 0; break; @@ -827,7 +839,9 @@ static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, } static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, - const struct dvb_frontend_parameters *params) + const u32 delsys, + const u32 freq, + const u32 bw) { /* This function returns the tuned frequency on success, 0 on error */ struct tuner_simple_priv *priv = fe->tuner_priv; @@ -836,7 +850,7 @@ static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, u8 config, cb; u32 div; int ret; - unsigned frequency = params->frequency / 62500; + u32 frequency = freq / 62500; if (!tun->stepsize) { /* tuner-core was loaded before the digital tuner was @@ -860,7 +874,7 @@ static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, buf[2] = config; buf[3] = cb; - simple_set_dvb(fe, buf, params); + simple_set_dvb(fe, buf, delsys, freq, bw); tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", tun->name, div, buf[0], buf[1], buf[2], buf[3]); @@ -870,32 +884,37 @@ static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, } static int simple_dvb_calc_regs(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params, u8 *buf, int buf_len) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; struct tuner_simple_priv *priv = fe->tuner_priv; u32 frequency; if (buf_len < 5) return -EINVAL; - frequency = simple_dvb_configure(fe, buf+1, params); + frequency = simple_dvb_configure(fe, buf+1, delsys, c->frequency, bw); if (frequency == 0) return -EINVAL; buf[0] = priv->i2c_props.addr; priv->frequency = frequency; - priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? - params->u.ofdm.bandwidth : 0; + priv->bandwidth = c->bandwidth_hz; return 5; } -static int simple_dvb_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int simple_dvb_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; + u32 freq = c->frequency; struct tuner_simple_priv *priv = fe->tuner_priv; + u32 frequency; u32 prev_freq, prev_bw; int ret; u8 buf[5]; @@ -906,9 +925,14 @@ static int simple_dvb_set_params(struct dvb_frontend *fe, prev_freq = priv->frequency; prev_bw = priv->bandwidth; - ret = simple_dvb_calc_regs(fe, params, buf, 5); - if (ret != 5) - goto fail; + frequency = simple_dvb_configure(fe, buf+1, delsys, freq, bw); + if (frequency == 0) + return -EINVAL; + + buf[0] = priv->i2c_props.addr; + + priv->frequency = frequency; + priv->bandwidth = bw; /* put analog demod in standby when tuning digital */ if (fe->ops.analog_ops.standby) diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index 3acbaa04e1b..b5ee3ebfcfc 100644 --- a/drivers/media/common/tuners/tuner-xc2028.c +++ b/drivers/media/common/tuners/tuner-xc2028.c @@ -24,6 +24,21 @@ #include <linux/dvb/frontend.h> #include "dvb_frontend.h" +/* Registers (Write-only) */ +#define XREG_INIT 0x00 +#define XREG_RF_FREQ 0x02 +#define XREG_POWER_DOWN 0x08 + +/* Registers (Read-only) */ +#define XREG_FREQ_ERROR 0x01 +#define XREG_LOCK 0x02 +#define XREG_VERSION 0x04 +#define XREG_PRODUCT_ID 0x08 +#define XREG_HSYNC_FREQ 0x10 +#define XREG_FRAME_LINES 0x20 +#define XREG_SNR 0x40 + +#define XREG_ADC_ENV 0x0100 static int debug; module_param(debug, int, 0644); @@ -311,7 +326,7 @@ static int load_all_firmwares(struct dvb_frontend *fe) n_array, fname, name, priv->firm_version >> 8, priv->firm_version & 0xff); - priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); + priv->firm = kcalloc(n_array, sizeof(*priv->firm), GFP_KERNEL); if (priv->firm == NULL) { tuner_err("Not enough memory to load firmware file.\n"); rc = -ENOMEM; @@ -885,16 +900,16 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) mutex_lock(&priv->lock); /* Sync Lock Indicator */ - rc = xc2028_get_reg(priv, 0x0002, &frq_lock); + rc = xc2028_get_reg(priv, XREG_LOCK, &frq_lock); if (rc < 0) goto ret; /* Frequency is locked */ if (frq_lock == 1) - signal = 32768; + signal = 1 << 11; /* Get SNR of the video signal */ - rc = xc2028_get_reg(priv, 0x0040, &signal); + rc = xc2028_get_reg(priv, XREG_SNR, &signal); if (rc < 0) goto ret; @@ -962,14 +977,24 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, * For DTV 7/8, the firmware uses BW = 8000, so it needs a * further adjustment to get the frequency center on VHF */ + + /* + * The firmware DTV78 used to work fine in UHF band (8 MHz + * bandwidth) but not at all in VHF band (7 MHz bandwidth). + * The real problem was connected to the formula used to + * calculate the center frequency offset in VHF band. + * In fact, removing the 500KHz adjustment fixed the problem. + * This is coherent to what was implemented for the DTV7 + * firmware. + * In the end, now the center frequency is the same for all 3 + * firmwares (DTV7, DTV8, DTV78) and doesn't depend on channel + * bandwidth. + */ + if (priv->cur_fw.type & DTV6) offset = 1750000; - else if (priv->cur_fw.type & DTV7) - offset = 2250000; - else /* DTV8 or DTV78 */ + else /* DTV7 or DTV8 or DTV78 */ offset = 2750000; - if ((priv->cur_fw.type & DTV78) && freq < 470000000) - offset -= 500000; /* * xc3028 additional "magic" @@ -979,17 +1004,13 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, * newer firmwares */ -#if 1 /* * The proper adjustment would be to do it at s-code table. * However, this didn't work, as reported by * Robert Lowery <rglowery@exemail.com.au> */ - if (priv->cur_fw.type & DTV7) - offset += 500000; - -#else +#if 0 /* * Still need tests for XC3028L (firmware 3.2 or upper) * So, for now, let's just comment the per-firmware @@ -1013,9 +1034,9 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, /* CMD= Set frequency */ if (priv->firm_version < 0x0202) - rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00}); + rc = send_seq(priv, {0x00, XREG_RF_FREQ, 0x00, 0x00}); else - rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00}); + rc = send_seq(priv, {0x80, XREG_RF_FREQ, 0x00, 0x00}); if (rc < 0) goto ret; @@ -1084,68 +1105,28 @@ static int xc2028_set_analog_freq(struct dvb_frontend *fe, V4L2_TUNER_ANALOG_TV, type, p->std, 0); } -static int xc2028_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *p) +static int xc2028_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; struct xc2028_data *priv = fe->tuner_priv; unsigned int type=0; - fe_bandwidth_t bw = BANDWIDTH_8_MHZ; u16 demod = 0; tuner_dbg("%s called\n", __func__); - switch(fe->ops.info.type) { - case FE_OFDM: - bw = p->u.ofdm.bandwidth; + switch (delsys) { + case SYS_DVBT: + case SYS_DVBT2: /* * The only countries with 6MHz seem to be Taiwan/Uruguay. * Both seem to require QAM firmware for OFDM decoding * Tested in Taiwan by Terry Wu <terrywu2009@gmail.com> */ - if (bw == BANDWIDTH_6_MHZ) + if (bw <= 6000000) type |= QAM; - break; - case FE_ATSC: - bw = BANDWIDTH_6_MHZ; - /* The only ATSC firmware (at least on v2.7) is D2633 */ - type |= ATSC | D2633; - break; - /* DVB-S and pure QAM (FE_QAM) are not supported */ - default: - return -EINVAL; - } - - switch (bw) { - case BANDWIDTH_8_MHZ: - if (p->frequency < 470000000) - priv->ctrl.vhfbw7 = 0; - else - priv->ctrl.uhfbw8 = 1; - type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8; - type |= F8MHZ; - break; - case BANDWIDTH_7_MHZ: - if (p->frequency < 470000000) - priv->ctrl.vhfbw7 = 1; - else - priv->ctrl.uhfbw8 = 0; - type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7; - type |= F8MHZ; - break; - case BANDWIDTH_6_MHZ: - type |= DTV6; - priv->ctrl.vhfbw7 = 0; - priv->ctrl.uhfbw8 = 0; - break; - default: - tuner_err("error: bandwidth not supported.\n"); - }; - /* - Selects between D2633 or D2620 firmware. - It doesn't make sense for ATSC, since it should be D2633 on all cases - */ - if (fe->ops.info.type != FE_ATSC) { switch (priv->ctrl.type) { case XC2028_D2633: type |= D2633; @@ -1161,6 +1142,34 @@ static int xc2028_set_params(struct dvb_frontend *fe, else type |= D2620; } + break; + case SYS_ATSC: + /* The only ATSC firmware (at least on v2.7) is D2633 */ + type |= ATSC | D2633; + break; + /* DVB-S and pure QAM (FE_QAM) are not supported */ + default: + return -EINVAL; + } + + if (bw <= 6000000) { + type |= DTV6; + priv->ctrl.vhfbw7 = 0; + priv->ctrl.uhfbw8 = 0; + } else if (bw <= 7000000) { + if (c->frequency < 470000000) + priv->ctrl.vhfbw7 = 1; + else + priv->ctrl.uhfbw8 = 0; + type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7; + type |= F8MHZ; + } else { + if (c->frequency < 470000000) + priv->ctrl.vhfbw7 = 0; + else + priv->ctrl.uhfbw8 = 1; + type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8; + type |= F8MHZ; } /* All S-code tables need a 200kHz shift */ @@ -1185,7 +1194,7 @@ static int xc2028_set_params(struct dvb_frontend *fe, */ } - return generic_set_freq(fe, p->frequency, + return generic_set_freq(fe, c->frequency, V4L2_TUNER_DIGITAL_TV, type, 0, demod); } @@ -1207,9 +1216,9 @@ static int xc2028_sleep(struct dvb_frontend *fe) mutex_lock(&priv->lock); if (priv->firm_version < 0x0202) - rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00}); + rc = send_seq(priv, {0x00, XREG_POWER_DOWN, 0x00, 0x00}); else - rc = send_seq(priv, {0x80, 0x08, 0x00, 0x00}); + rc = send_seq(priv, {0x80, XREG_POWER_DOWN, 0x00, 0x00}); priv->cur_fw.type = 0; /* need firmware reload */ diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c index 634f4d9b6c6..68397110b7d 100644 --- a/drivers/media/common/tuners/xc4000.c +++ b/drivers/media/common/tuners/xc4000.c @@ -154,6 +154,8 @@ struct xc4000_priv { #define XREG_SNR 0x06 #define XREG_VERSION 0x07 #define XREG_PRODUCT_ID 0x08 +#define XREG_SIGNAL_LEVEL 0x0A +#define XREG_NOISE_LEVEL 0x0B /* Basic firmware description. This will remain with @@ -486,6 +488,16 @@ static int xc_get_quality(struct xc4000_priv *priv, u16 *quality) return xc4000_readreg(priv, XREG_QUALITY, quality); } +static int xc_get_signal_level(struct xc4000_priv *priv, u16 *signal) +{ + return xc4000_readreg(priv, XREG_SIGNAL_LEVEL, signal); +} + +static int xc_get_noise_level(struct xc4000_priv *priv, u16 *noise) +{ + return xc4000_readreg(priv, XREG_NOISE_LEVEL, noise); +} + static u16 xc_wait_for_lock(struct xc4000_priv *priv) { u16 lock_state = 0; @@ -758,7 +770,7 @@ static int xc4000_fwupload(struct dvb_frontend *fe) n_array, fname, name, priv->firm_version >> 8, priv->firm_version & 0xff); - priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); + priv->firm = kcalloc(n_array, sizeof(*priv->firm), GFP_KERNEL); if (priv->firm == NULL) { printk(KERN_ERR "Not enough memory to load firmware file.\n"); rc = -ENOMEM; @@ -1089,6 +1101,8 @@ static void xc_debug_dump(struct xc4000_priv *priv) u32 hsync_freq_hz = 0; u16 frame_lines; u16 quality; + u16 signal = 0; + u16 noise = 0; u8 hw_majorversion = 0, hw_minorversion = 0; u8 fw_majorversion = 0, fw_minorversion = 0; @@ -1119,85 +1133,70 @@ static void xc_debug_dump(struct xc4000_priv *priv) xc_get_quality(priv, &quality); dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality); + + xc_get_signal_level(priv, &signal); + dprintk(1, "*** Signal level = -%ddB (%d)\n", signal >> 8, signal); + + xc_get_noise_level(priv, &noise); + dprintk(1, "*** Noise level = %ddB (%d)\n", noise >> 8, noise); } -static int xc4000_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int xc4000_set_params(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + u32 delsys = c->delivery_system; + u32 bw = c->bandwidth_hz; struct xc4000_priv *priv = fe->tuner_priv; unsigned int type; int ret = -EREMOTEIO; - dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency); + dprintk(1, "%s() frequency=%d (Hz)\n", __func__, c->frequency); mutex_lock(&priv->lock); - if (fe->ops.info.type == FE_ATSC) { - dprintk(1, "%s() ATSC\n", __func__); - switch (params->u.vsb.modulation) { - case VSB_8: - case VSB_16: - dprintk(1, "%s() VSB modulation\n", __func__); - priv->rf_mode = XC_RF_MODE_AIR; - priv->freq_hz = params->frequency - 1750000; - priv->bandwidth = BANDWIDTH_6_MHZ; - priv->video_standard = XC4000_DTV6; - type = DTV6; - break; - case QAM_64: - case QAM_256: - case QAM_AUTO: - dprintk(1, "%s() QAM modulation\n", __func__); - priv->rf_mode = XC_RF_MODE_CABLE; - priv->freq_hz = params->frequency - 1750000; - priv->bandwidth = BANDWIDTH_6_MHZ; - priv->video_standard = XC4000_DTV6; - type = DTV6; - break; - default: - ret = -EINVAL; - goto fail; - } - } else if (fe->ops.info.type == FE_OFDM) { + switch (delsys) { + case SYS_ATSC: + dprintk(1, "%s() VSB modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_AIR; + priv->freq_hz = c->frequency - 1750000; + priv->video_standard = XC4000_DTV6; + type = DTV6; + break; + case SYS_DVBC_ANNEX_B: + dprintk(1, "%s() QAM modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_CABLE; + priv->freq_hz = c->frequency - 1750000; + priv->video_standard = XC4000_DTV6; + type = DTV6; + break; + case SYS_DVBT: + case SYS_DVBT2: dprintk(1, "%s() OFDM\n", __func__); - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: - priv->bandwidth = BANDWIDTH_6_MHZ; + if (bw == 0) { + if (c->frequency < 400000000) { + priv->freq_hz = c->frequency - 2250000; + } else { + priv->freq_hz = c->frequency - 2750000; + } + priv->video_standard = XC4000_DTV7_8; + type = DTV78; + } else if (bw <= 6000000) { priv->video_standard = XC4000_DTV6; - priv->freq_hz = params->frequency - 1750000; + priv->freq_hz = c->frequency - 1750000; type = DTV6; - break; - case BANDWIDTH_7_MHZ: - priv->bandwidth = BANDWIDTH_7_MHZ; + } else if (bw <= 7000000) { priv->video_standard = XC4000_DTV7; - priv->freq_hz = params->frequency - 2250000; + priv->freq_hz = c->frequency - 2250000; type = DTV7; - break; - case BANDWIDTH_8_MHZ: - priv->bandwidth = BANDWIDTH_8_MHZ; + } else { priv->video_standard = XC4000_DTV8; - priv->freq_hz = params->frequency - 2750000; + priv->freq_hz = c->frequency - 2750000; type = DTV8; - break; - case BANDWIDTH_AUTO: - if (params->frequency < 400000000) { - priv->bandwidth = BANDWIDTH_7_MHZ; - priv->freq_hz = params->frequency - 2250000; - } else { - priv->bandwidth = BANDWIDTH_8_MHZ; - priv->freq_hz = params->frequency - 2750000; - } - priv->video_standard = XC4000_DTV7_8; - type = DTV78; - break; - default: - printk(KERN_ERR "xc4000 bandwidth not set!\n"); - ret = -EINVAL; - goto fail; } priv->rf_mode = XC_RF_MODE_AIR; - } else { - printk(KERN_ERR "xc4000 modulation type not supported!\n"); + break; + default: + printk(KERN_ERR "xc4000 delivery system not supported!\n"); ret = -EINVAL; goto fail; } @@ -1209,6 +1208,8 @@ static int xc4000_set_params(struct dvb_frontend *fe, if (check_firmware(fe, type, 0, priv->if_khz) != 0) goto fail; + priv->bandwidth = c->bandwidth_hz; + ret = xc_set_signal_source(priv, priv->rf_mode); if (ret != 0) { printk(KERN_ERR "xc4000: xc_set_signal_source(%d) failed\n", @@ -1451,6 +1452,71 @@ fail: return ret; } +static int xc4000_get_signal(struct dvb_frontend *fe, u16 *strength) +{ + struct xc4000_priv *priv = fe->tuner_priv; + u16 value = 0; + int rc; + + mutex_lock(&priv->lock); + rc = xc4000_readreg(priv, XREG_SIGNAL_LEVEL, &value); + mutex_unlock(&priv->lock); + + if (rc < 0) + goto ret; + + /* Informations from real testing of DVB-T and radio part, + coeficient for one dB is 0xff. + */ + tuner_dbg("Signal strength: -%ddB (%05d)\n", value >> 8, value); + + /* all known digital modes */ + if ((priv->video_standard == XC4000_DTV6) || + (priv->video_standard == XC4000_DTV7) || + (priv->video_standard == XC4000_DTV7_8) || + (priv->video_standard == XC4000_DTV8)) + goto digital; + + /* Analog mode has NOISE LEVEL important, signal + depends only on gain of antenna and amplifiers, + but it doesn't tell anything about real quality + of reception. + */ + mutex_lock(&priv->lock); + rc = xc4000_readreg(priv, XREG_NOISE_LEVEL, &value); + mutex_unlock(&priv->lock); + + tuner_dbg("Noise level: %ddB (%05d)\n", value >> 8, value); + + /* highest noise level: 32dB */ + if (value >= 0x2000) { + value = 0; + } else { + value = ~value << 3; + } + + goto ret; + + /* Digital mode has SIGNAL LEVEL important and real + noise level is stored in demodulator registers. + */ +digital: + /* best signal: -50dB */ + if (value <= 0x3200) { + value = 0xffff; + /* minimum: -114dB - should be 0x7200 but real zero is 0x713A */ + } else if (value >= 0x713A) { + value = 0; + } else { + value = ~(value - 0x3200) << 2; + } + +ret: + *strength = value; + + return rc; +} + static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq) { struct xc4000_priv *priv = fe->tuner_priv; @@ -1578,6 +1644,7 @@ static const struct dvb_tuner_ops xc4000_tuner_ops = { .set_params = xc4000_set_params, .set_analog_params = xc4000_set_analog_params, .get_frequency = xc4000_get_frequency, + .get_rf_strength = xc4000_get_signal, .get_bandwidth = xc4000_get_bandwidth, .get_status = xc4000_get_status }; @@ -1605,7 +1672,7 @@ struct dvb_frontend *xc4000_attach(struct dvb_frontend *fe, break; case 1: /* new tuner instance */ - priv->bandwidth = BANDWIDTH_6_MHZ; + priv->bandwidth = 6000000; /* set default configuration */ priv->if_khz = 4560; priv->default_pm = 0; diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index aa1b2e844d3..296df05b8cd 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -628,20 +628,13 @@ static void xc_debug_dump(struct xc5000_priv *priv) dprintk(1, "*** Quality (0:<8dB, 7:>56dB) = %d\n", quality); } -/* - * As defined on EN 300 429, the DVB-C roll-off factor is 0.15. - * So, the amount of the needed bandwith is given by: - * Bw = Symbol_rate * (1 + 0.15) - * As such, the maximum symbol rate supported by 6 MHz is given by: - * max_symbol_rate = 6 MHz / 1.15 = 5217391 Bauds - */ -#define MAX_SYMBOL_RATE_6MHz 5217391 - -static int xc5000_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) +static int xc5000_set_params(struct dvb_frontend *fe) { + int ret, b; struct xc5000_priv *priv = fe->tuner_priv; - int ret; + u32 bw = fe->dtv_property_cache.bandwidth_hz; + u32 freq = fe->dtv_property_cache.frequency; + u32 delsys = fe->dtv_property_cache.delivery_system; if (xc5000_is_firmware_loaded(fe) != XC_RESULT_SUCCESS) { if (xc_load_fw_and_init_tuner(fe) != XC_RESULT_SUCCESS) { @@ -650,88 +643,69 @@ static int xc5000_set_params(struct dvb_frontend *fe, } } - dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency); - - if (fe->ops.info.type == FE_ATSC) { - dprintk(1, "%s() ATSC\n", __func__); - switch (params->u.vsb.modulation) { - case VSB_8: - case VSB_16: - dprintk(1, "%s() VSB modulation\n", __func__); - priv->rf_mode = XC_RF_MODE_AIR; - priv->freq_hz = params->frequency - 1750000; - priv->bandwidth = BANDWIDTH_6_MHZ; - priv->video_standard = DTV6; - break; - case QAM_64: - case QAM_256: - case QAM_AUTO: - dprintk(1, "%s() QAM modulation\n", __func__); - priv->rf_mode = XC_RF_MODE_CABLE; - priv->freq_hz = params->frequency - 1750000; - priv->bandwidth = BANDWIDTH_6_MHZ; - priv->video_standard = DTV6; - break; - default: - return -EINVAL; - } - } else if (fe->ops.info.type == FE_OFDM) { + dprintk(1, "%s() frequency=%d (Hz)\n", __func__, freq); + + switch (delsys) { + case SYS_ATSC: + dprintk(1, "%s() VSB modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_AIR; + priv->freq_hz = freq - 1750000; + priv->video_standard = DTV6; + break; + case SYS_DVBC_ANNEX_B: + dprintk(1, "%s() QAM modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_CABLE; + priv->freq_hz = freq - 1750000; + priv->video_standard = DTV6; + break; + case SYS_DVBT: + case SYS_DVBT2: dprintk(1, "%s() OFDM\n", __func__); - switch (params->u.ofdm.bandwidth) { - case BANDWIDTH_6_MHZ: - priv->bandwidth = BANDWIDTH_6_MHZ; + switch (bw) { + case 6000000: priv->video_standard = DTV6; - priv->freq_hz = params->frequency - 1750000; + priv->freq_hz = freq - 1750000; break; - case BANDWIDTH_7_MHZ: - printk(KERN_ERR "xc5000 bandwidth 7MHz not supported\n"); - return -EINVAL; - case BANDWIDTH_8_MHZ: - priv->bandwidth = BANDWIDTH_8_MHZ; + case 7000000: + priv->video_standard = DTV7; + priv->freq_hz = freq - 2250000; + break; + case 8000000: priv->video_standard = DTV8; - priv->freq_hz = params->frequency - 2750000; + priv->freq_hz = freq - 2750000; break; default: printk(KERN_ERR "xc5000 bandwidth not set!\n"); return -EINVAL; } priv->rf_mode = XC_RF_MODE_AIR; - } else if (fe->ops.info.type == FE_QAM) { - switch (params->u.qam.modulation) { - case QAM_256: - case QAM_AUTO: - case QAM_16: - case QAM_32: - case QAM_64: - case QAM_128: - dprintk(1, "%s() QAM modulation\n", __func__); - priv->rf_mode = XC_RF_MODE_CABLE; - /* - * Using a 8MHz bandwidth sometimes fail - * with 6MHz-spaced channels, due to inter-carrier - * interference. So, use DTV6 firmware - */ - if (params->u.qam.symbol_rate <= MAX_SYMBOL_RATE_6MHz) { - priv->bandwidth = BANDWIDTH_6_MHZ; - priv->video_standard = DTV6; - priv->freq_hz = params->frequency - 1750000; - } else { - priv->bandwidth = BANDWIDTH_8_MHZ; - priv->video_standard = DTV7_8; - priv->freq_hz = params->frequency - 2750000; - } - break; - default: - dprintk(1, "%s() Unsupported QAM type\n", __func__); - return -EINVAL; + case SYS_DVBC_ANNEX_A: + case SYS_DVBC_ANNEX_C: + dprintk(1, "%s() QAM modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_CABLE; + if (bw <= 6000000) { + priv->video_standard = DTV6; + priv->freq_hz = freq - 1750000; + b = 6; + } else if (bw <= 7000000) { + priv->video_standard = DTV7; + priv->freq_hz = freq - 2250000; + b = 7; + } else { + priv->video_standard = DTV7_8; + priv->freq_hz = freq - 2750000; + b = 8; } - } else { - printk(KERN_ERR "xc5000 modulation type not supported!\n"); + dprintk(1, "%s() Bandwidth %dMHz (%d)\n", __func__, + b, bw); + break; + default: + printk(KERN_ERR "xc5000: delivery system is not supported!\n"); return -EINVAL; } - dprintk(1, "%s() frequency=%d (compensated)\n", - __func__, priv->freq_hz); + dprintk(1, "%s() frequency=%d (compensated to %d)\n", + __func__, freq, priv->freq_hz); ret = xc_SetSignalSource(priv, priv->rf_mode); if (ret != XC_RESULT_SUCCESS) { @@ -763,6 +737,8 @@ static int xc5000_set_params(struct dvb_frontend *fe, if (debug) xc_debug_dump(priv); + priv->bandwidth = bw; + return 0; } @@ -968,6 +944,14 @@ static int xc5000_get_frequency(struct dvb_frontend *fe, u32 *freq) return 0; } +static int xc5000_get_if_frequency(struct dvb_frontend *fe, u32 *freq) +{ + struct xc5000_priv *priv = fe->tuner_priv; + dprintk(1, "%s()\n", __func__); + *freq = priv->if_khz * 1000; + return 0; +} + static int xc5000_get_bandwidth(struct dvb_frontend *fe, u32 *bw) { struct xc5000_priv *priv = fe->tuner_priv; @@ -1108,6 +1092,7 @@ static const struct dvb_tuner_ops xc5000_tuner_ops = { .set_params = xc5000_set_params, .set_analog_params = xc5000_set_analog_params, .get_frequency = xc5000_get_frequency, + .get_if_frequency = xc5000_get_if_frequency, .get_bandwidth = xc5000_get_bandwidth, .get_status = xc5000_get_status }; @@ -1135,7 +1120,7 @@ struct dvb_frontend *xc5000_attach(struct dvb_frontend *fe, break; case 1: /* new tuner instance */ - priv->bandwidth = BANDWIDTH_6_MHZ; + priv->bandwidth = 6000000; fe->tuner_priv = priv; break; default: |