diff options
Diffstat (limited to 'drivers/media/dvb/frontends')
-rw-r--r-- | drivers/media/dvb/frontends/Kconfig | 13 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/Makefile | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/cx22702.c | 29 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/cx22702.h | 5 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.c | 85 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/dvb-pll.h | 6 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/l64781.c | 9 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgdt3302.c | 611 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgdt3302.h | 49 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgdt3302_priv.h | 72 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/s5h1420.c | 800 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/s5h1420.h | 41 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/stv0297.c | 8 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/tda1004x.c | 235 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/tda1004x.h | 31 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/tda80xx.c | 1 |
16 files changed, 1874 insertions, 123 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index b4fddf513eb..d847c62bd83 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig @@ -40,6 +40,12 @@ config DVB_VES1X93 help A DVB-S tuner module. Say Y when you want to support this frontend. +config DVB_S5H1420 + tristate "Samsung S5H1420 based" + depends on DVB_CORE + help + A DVB-S tuner module. Say Y when you want to support this frontend. + comment "DVB-T (terrestrial) frontends" depends on DVB_CORE @@ -181,4 +187,11 @@ config DVB_BCM3510 An ATSC 8VSB/16VSB and QAM64/256 tuner module. Say Y when you want to support this frontend. +config DVB_LGDT3302 + tristate "LGDT3302 based (DViCO FusionHDTV3 Gold)" + depends on DVB_CORE + help + An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want + to support this frontend. + endmenu diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 91d6d3576d3..de5e240cba7 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile @@ -29,3 +29,5 @@ obj-$(CONFIG_DVB_NXT2002) += nxt2002.o obj-$(CONFIG_DVB_OR51211) += or51211.o obj-$(CONFIG_DVB_OR51132) += or51132.o obj-$(CONFIG_DVB_BCM3510) += bcm3510.o +obj-$(CONFIG_DVB_S5H1420) += s5h1420.o +obj-$(CONFIG_DVB_LGDT3302) += lgdt3302.o diff --git a/drivers/media/dvb/frontends/cx22702.c b/drivers/media/dvb/frontends/cx22702.c index f4aa44136c7..9f639297a9f 100644 --- a/drivers/media/dvb/frontends/cx22702.c +++ b/drivers/media/dvb/frontends/cx22702.c @@ -76,7 +76,6 @@ static u8 init_tab [] = { 0x49, 0x56, 0x6b, 0x1e, 0xc8, 0x02, - 0xf8, 0x02, 0xf9, 0x00, 0xfa, 0x00, 0xfb, 0x00, @@ -203,7 +202,7 @@ static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_paramet struct cx22702_state* state = fe->demodulator_priv; /* set PLL */ - cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) &0xfe); + cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) &0xfe); if (state->config->pll_set) { state->config->pll_set(fe, p); } else if (state->config->pll_desc) { @@ -217,7 +216,7 @@ static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_paramet } else { BUG(); } - cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) | 1); + cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) | 1); /* set inversion */ cx22702_set_inversion (state, p->inversion); @@ -256,7 +255,7 @@ static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_paramet cx22702_writereg(state, 0x0B, cx22702_readreg(state, 0x0B) & 0xfc ); cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xBF) | 0x40 ); cx22702_writereg(state, 0x00, 0x01); /* Begin aquisition */ - printk("%s: Autodetecting\n",__FUNCTION__); + dprintk("%s: Autodetecting\n",__FUNCTION__); return 0; } @@ -347,10 +346,11 @@ static int cx22702_init (struct dvb_frontend* fe) for (i=0; i<sizeof(init_tab); i+=2) cx22702_writereg (state, init_tab[i], init_tab[i+1]); + cx22702_writereg (state, 0xf8, (state->config->output_mode << 1) & 0x02); /* init PLL */ if (state->config->pll_init) { - cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) &0xfe); + cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) & 0xfe); state->config->pll_init(fe); cx22702_writereg (state, 0x0D, cx22702_readreg(state,0x0D) | 1); } @@ -440,8 +440,10 @@ static int cx22702_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) /* RS Uncorrectable Packet Count then reset */ _ucblocks = cx22702_readreg (state, 0xE3); - if (state->prevUCBlocks < _ucblocks) *ucblocks = (_ucblocks - state->prevUCBlocks); - else *ucblocks = state->prevUCBlocks - _ucblocks; + if (state->prevUCBlocks < _ucblocks) + *ucblocks = (_ucblocks - state->prevUCBlocks); + else + *ucblocks = state->prevUCBlocks - _ucblocks; state->prevUCBlocks = _ucblocks; return 0; @@ -457,6 +459,12 @@ static int cx22702_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_par return cx22702_get_tps (state, &p->u.ofdm); } +static int cx22702_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune) +{ + tune->min_delay_ms = 1000; + return 0; +} + static void cx22702_release(struct dvb_frontend* fe) { struct cx22702_state* state = fe->demodulator_priv; @@ -472,7 +480,8 @@ struct dvb_frontend* cx22702_attach(const struct cx22702_config* config, /* allocate memory for the internal state */ state = kmalloc(sizeof(struct cx22702_state), GFP_KERNEL); - if (state == NULL) goto error; + if (state == NULL) + goto error; /* setup the state */ state->config = config; @@ -481,7 +490,8 @@ struct dvb_frontend* cx22702_attach(const struct cx22702_config* config, state->prevUCBlocks = 0; /* check if the demod is there */ - if (cx22702_readreg(state, 0x1f) != 0x3) goto error; + if (cx22702_readreg(state, 0x1f) != 0x3) + goto error; /* create dvb_frontend */ state->frontend.ops = &state->ops; @@ -514,6 +524,7 @@ static struct dvb_frontend_ops cx22702_ops = { .set_frontend = cx22702_set_tps, .get_frontend = cx22702_get_frontend, + .get_tune_settings = cx22702_get_tune_settings, .read_status = cx22702_read_status, .read_ber = cx22702_read_ber, diff --git a/drivers/media/dvb/frontends/cx22702.h b/drivers/media/dvb/frontends/cx22702.h index 559fdb90666..11f86806756 100644 --- a/drivers/media/dvb/frontends/cx22702.h +++ b/drivers/media/dvb/frontends/cx22702.h @@ -35,6 +35,11 @@ struct cx22702_config /* the demodulator's i2c address */ u8 demod_address; + /* serial/parallel output */ +#define CX22702_PARALLEL_OUTPUT 0 +#define CX22702_SERIAL_OUTPUT 1 + u8 output_mode; + /* PLL maintenance */ u8 pll_address; struct dvb_pll_desc *pll_desc; diff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c index f73b5f48e23..5afeaa9b43b 100644 --- a/drivers/media/dvb/frontends/dvb-pll.c +++ b/drivers/media/dvb/frontends/dvb-pll.c @@ -55,7 +55,7 @@ struct dvb_pll_desc dvb_pll_thomson_dtt7610 = { }; EXPORT_SYMBOL(dvb_pll_thomson_dtt7610); -static void thomson_dtt759x_bw(u8 *buf, int bandwidth) +static void thomson_dtt759x_bw(u8 *buf, u32 freq, int bandwidth) { if (BANDWIDTH_7_MHZ == bandwidth) buf[3] |= 0x10; @@ -93,6 +93,32 @@ struct dvb_pll_desc dvb_pll_lg_z201 = { }; EXPORT_SYMBOL(dvb_pll_lg_z201); +struct dvb_pll_desc dvb_pll_microtune_4042 = { + .name = "Microtune 4042 FI5", + .min = 57000000, + .max = 858000000, + .count = 3, + .entries = { + { 162000000, 44000000, 62500, 0x8e, 0xa1 }, + { 457000000, 44000000, 62500, 0x8e, 0x91 }, + { 999999999, 44000000, 62500, 0x8e, 0x31 }, + }, +}; +EXPORT_SYMBOL(dvb_pll_microtune_4042); + +struct dvb_pll_desc dvb_pll_thomson_dtt7611 = { + .name = "Thomson dtt7611", + .min = 44000000, + .max = 958000000, + .count = 3, + .entries = { + { 157250000, 44000000, 62500, 0x8e, 0x39 }, + { 454000000, 44000000, 62500, 0x8e, 0x3a }, + { 999999999, 44000000, 62500, 0x8e, 0x3c }, + }, +}; +EXPORT_SYMBOL(dvb_pll_thomson_dtt7611); + struct dvb_pll_desc dvb_pll_unknown_1 = { .name = "unknown 1", /* used by dntv live dvb-t */ .min = 174000000, @@ -146,7 +172,7 @@ EXPORT_SYMBOL(dvb_pll_env57h1xd5); /* Philips TDA6650/TDA6651 * used in Panasonic ENV77H11D5 */ -static void tda665x_bw(u8 *buf, int bandwidth) +static void tda665x_bw(u8 *buf, u32 freq, int bandwidth) { if (bandwidth == BANDWIDTH_8_MHZ) buf[3] |= 0x08; @@ -178,7 +204,7 @@ EXPORT_SYMBOL(dvb_pll_tda665x); /* Infineon TUA6034 * used in LG TDTP E102P */ -static void tua6034_bw(u8 *buf, int bandwidth) +static void tua6034_bw(u8 *buf, u32 freq, int bandwidth) { if (BANDWIDTH_7_MHZ != bandwidth) buf[3] |= 0x08; @@ -198,6 +224,57 @@ struct dvb_pll_desc dvb_pll_tua6034 = { }; EXPORT_SYMBOL(dvb_pll_tua6034); +/* Philips FMD1216ME + * used in Medion Hybrid PCMCIA card and USB Box + */ +static void fmd1216me_bw(u8 *buf, u32 freq, int bandwidth) +{ + if (bandwidth == BANDWIDTH_8_MHZ && freq >= 158870000) + buf[3] |= 0x08; +} + +struct dvb_pll_desc dvb_pll_fmd1216me = { + .name = "Philips FMD1216ME", + .min = 50870000, + .max = 858000000, + .setbw = fmd1216me_bw, + .count = 7, + .entries = { + { 143870000, 36213333, 166667, 0xbc, 0x41 }, + { 158870000, 36213333, 166667, 0xf4, 0x41 }, + { 329870000, 36213333, 166667, 0xbc, 0x42 }, + { 441870000, 36213333, 166667, 0xf4, 0x42 }, + { 625870000, 36213333, 166667, 0xbc, 0x44 }, + { 803870000, 36213333, 166667, 0xf4, 0x44 }, + { 999999999, 36213333, 166667, 0xfc, 0x44 }, + } +}; +EXPORT_SYMBOL(dvb_pll_fmd1216me); + +/* ALPS TDED4 + * used in Nebula-Cards and USB boxes + */ +static void tded4_bw(u8 *buf, u32 freq, int bandwidth) +{ + if (bandwidth == BANDWIDTH_8_MHZ) + buf[3] |= 0x04; +} + +struct dvb_pll_desc dvb_pll_tded4 = { + .name = "ALPS TDED4", + .min = 47000000, + .max = 863000000, + .setbw = tded4_bw, + .count = 4, + .entries = { + { 153000000, 36166667, 166667, 0x85, 0x01 }, + { 470000000, 36166667, 166667, 0x85, 0x02 }, + { 823000000, 36166667, 166667, 0x85, 0x08 }, + { 999999999, 36166667, 166667, 0x85, 0x88 }, + } +}; +EXPORT_SYMBOL(dvb_pll_tded4); + /* ----------------------------------------------------------- */ /* code */ @@ -231,7 +308,7 @@ int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, buf[3] = desc->entries[i].cb2; if (desc->setbw) - desc->setbw(buf, bandwidth); + desc->setbw(buf, freq, bandwidth); if (debug) printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", diff --git a/drivers/media/dvb/frontends/dvb-pll.h b/drivers/media/dvb/frontends/dvb-pll.h index b796778624b..cb794759d89 100644 --- a/drivers/media/dvb/frontends/dvb-pll.h +++ b/drivers/media/dvb/frontends/dvb-pll.h @@ -9,7 +9,7 @@ struct dvb_pll_desc { char *name; u32 min; u32 max; - void (*setbw)(u8 *buf, int bandwidth); + void (*setbw)(u8 *buf, u32 freq, int bandwidth); int count; struct { u32 limit; @@ -24,12 +24,16 @@ extern struct dvb_pll_desc dvb_pll_thomson_dtt7579; extern struct dvb_pll_desc dvb_pll_thomson_dtt759x; extern struct dvb_pll_desc dvb_pll_thomson_dtt7610; extern struct dvb_pll_desc dvb_pll_lg_z201; +extern struct dvb_pll_desc dvb_pll_microtune_4042; +extern struct dvb_pll_desc dvb_pll_thomson_dtt7611; extern struct dvb_pll_desc dvb_pll_unknown_1; extern struct dvb_pll_desc dvb_pll_tua6010xs; extern struct dvb_pll_desc dvb_pll_env57h1xd5; extern struct dvb_pll_desc dvb_pll_tua6034; extern struct dvb_pll_desc dvb_pll_tda665x; +extern struct dvb_pll_desc dvb_pll_fmd1216me; +extern struct dvb_pll_desc dvb_pll_tded4; int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf, u32 freq, int bandwidth); diff --git a/drivers/media/dvb/frontends/l64781.c b/drivers/media/dvb/frontends/l64781.c index 031a1ddc7d1..faaad1ae855 100644 --- a/drivers/media/dvb/frontends/l64781.c +++ b/drivers/media/dvb/frontends/l64781.c @@ -474,11 +474,12 @@ static int l64781_init(struct dvb_frontend* fe) return 0; } -static int l64781_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings) +static int l64781_get_tune_settings(struct dvb_frontend* fe, + struct dvb_frontend_tune_settings* fesettings) { - fesettings->min_delay_ms = 200; - fesettings->step_size = 166667; - fesettings->max_drift = 166667*2; + fesettings->min_delay_ms = 4000; + fesettings->step_size = 0; + fesettings->max_drift = 0; return 0; } diff --git a/drivers/media/dvb/frontends/lgdt3302.c b/drivers/media/dvb/frontends/lgdt3302.c new file mode 100644 index 00000000000..09c914256e4 --- /dev/null +++ b/drivers/media/dvb/frontends/lgdt3302.c @@ -0,0 +1,611 @@ +/* + * $Id: lgdt3302.c,v 1.5 2005/07/07 03:47:15 mkrufky Exp $ + * + * Support for LGDT3302 (DViCO FustionHDTV 3 Gold) - VSB/QAM + * + * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net> + * + * Based on code from Kirk Lapray <kirk_lapray@bigfoot.com> + * Copyright (C) 2005 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* + * NOTES ABOUT THIS DRIVER + * + * This driver supports DViCO FusionHDTV 3 Gold under Linux. + * + * TODO: + * BER and signal strength always return 0. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <asm/byteorder.h> + +#include "dvb_frontend.h" +#include "dvb-pll.h" +#include "lgdt3302_priv.h" +#include "lgdt3302.h" + +static int debug = 0; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug,"Turn on/off lgdt3302 frontend debugging (default:off)."); +#define dprintk(args...) \ +do { \ +if (debug) printk(KERN_DEBUG "lgdt3302: " args); \ +} while (0) + +struct lgdt3302_state +{ + struct i2c_adapter* i2c; + struct dvb_frontend_ops ops; + + /* Configuration settings */ + const struct lgdt3302_config* config; + + struct dvb_frontend frontend; + + /* Demodulator private data */ + fe_modulation_t current_modulation; + + /* Tuner private data */ + u32 current_frequency; +}; + +static int i2c_writebytes (struct lgdt3302_state* state, + u8 addr, /* demod_address or pll_address */ + u8 *buf, /* data bytes to send */ + int len /* number of bytes to send */ ) +{ + if (addr == state->config->pll_address) { + struct i2c_msg msg = + { .addr = addr, .flags = 0, .buf = buf, .len = len }; + int err; + + if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { + printk(KERN_WARNING "lgdt3302: %s error (addr %02x <- %02x, err == %i)\n", __FUNCTION__, addr, buf[0], err); + return -EREMOTEIO; + } + } else { + u8 tmp[] = { buf[0], buf[1] }; + struct i2c_msg msg = + { .addr = addr, .flags = 0, .buf = tmp, .len = 2 }; + int err; + int i; + + for (i=1; i<len; i++) { + tmp[1] = buf[i]; + if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { + printk(KERN_WARNING "lgdt3302: %s error (addr %02x <- %02x, err == %i)\n", __FUNCTION__, addr, buf[0], err); + return -EREMOTEIO; + } + tmp[0]++; + } + } + return 0; +} +static int i2c_readbytes (struct lgdt3302_state* state, + u8 addr, /* demod_address or pll_address */ + u8 *buf, /* holds data bytes read */ + int len /* number of bytes to read */ ) +{ + struct i2c_msg msg = + { .addr = addr, .flags = I2C_M_RD, .buf = buf, .len = len }; + int err; + + if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { + printk(KERN_WARNING "lgdt3302: %s error (addr %02x, err == %i)\n", __FUNCTION__, addr, err); + return -EREMOTEIO; + } + return 0; +} + +/* + * This routine writes the register (reg) to the demod bus + * then reads the data returned for (len) bytes. + */ + +static u8 i2c_selectreadbytes (struct lgdt3302_state* state, + enum I2C_REG reg, u8* buf, int len) +{ + u8 wr [] = { reg }; + struct i2c_msg msg [] = { + { .addr = state->config->demod_address, + .flags = 0, .buf = wr, .len = 1 }, + { .addr = state->config->demod_address, + .flags = I2C_M_RD, .buf = buf, .len = len }, + }; + int ret; + ret = i2c_transfer(state->i2c, msg, 2); + if (ret != 2) { + printk(KERN_WARNING "lgdt3302: %s: addr 0x%02x select 0x%02x error (ret == %i)\n", __FUNCTION__, state->config->demod_address, reg, ret); + } else { + ret = 0; + } + return ret; +} + +/* Software reset */ +int lgdt3302_SwReset(struct lgdt3302_state* state) +{ + u8 ret; + u8 reset[] = { + IRQ_MASK, + 0x00 /* bit 6 is active low software reset + * bits 5-0 are 1 to mask interrupts */ + }; + + ret = i2c_writebytes(state, + state->config->demod_address, + reset, sizeof(reset)); + if (ret == 0) { + /* spec says reset takes 100 ns why wait */ + /* mdelay(100); */ /* keep low for 100mS */ + reset[1] = 0x7f; /* force reset high (inactive) + * and unmask interrupts */ + ret = i2c_writebytes(state, + state->config->demod_address, + reset, sizeof(reset)); + } + /* Spec does not indicate a need for this either */ + /*mdelay(5); */ /* wait 5 msec before doing more */ + return ret; +} + +static int lgdt3302_init(struct dvb_frontend* fe) +{ + /* Hardware reset is done using gpio[0] of cx23880x chip. + * I'd like to do it here, but don't know how to find chip address. + * cx88-cards.c arranges for the reset bit to be inactive (high). + * Maybe there needs to be a callable function in cx88-core or + * the caller of this function needs to do it. */ + + dprintk("%s entered\n", __FUNCTION__); + return lgdt3302_SwReset((struct lgdt3302_state*) fe->demodulator_priv); +} + +static int lgdt3302_read_ber(struct dvb_frontend* fe, u32* ber) +{ + *ber = 0; /* Dummy out for now */ + return 0; +} + +static int lgdt3302_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) +{ + struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv; + u8 buf[2]; + + i2c_selectreadbytes(state, PACKET_ERR_COUNTER1, buf, sizeof(buf)); + + *ucblocks = (buf[0] << 8) | buf[1]; + return 0; +} + +static int lgdt3302_set_parameters(struct dvb_frontend* fe, + struct dvb_frontend_parameters *param) +{ + u8 buf[4]; + struct lgdt3302_state* state = + (struct lgdt3302_state*) fe->demodulator_priv; + + /* Use 50MHz parameter values from spec sheet since xtal is 50 */ + static u8 top_ctrl_cfg[] = { TOP_CONTROL, 0x03 }; + static u8 vsb_freq_cfg[] = { VSB_CARRIER_FREQ0, 0x00, 0x87, 0x8e, 0x01 }; + static u8 demux_ctrl_cfg[] = { DEMUX_CONTROL, 0xfb }; + static u8 agc_rf_cfg[] = { AGC_RF_BANDWIDTH0, 0x40, 0x93, 0x00 }; + static u8 agc_ctrl_cfg[] = { AGC_FUNC_CTRL2, 0xc6, 0x40 }; + static u8 agc_delay_cfg[] = { AGC_DELAY0, 0x00, 0x00, 0x00 }; + static u8 agc_loop_cfg[] = { AGC_LOOP_BANDWIDTH0, 0x08, 0x9a }; + + /* Change only if we are actually changing the modulation */ + if (state->current_modulation != param->u.vsb.modulation) { + switch(param->u.vsb.modulation) { + case VSB_8: + dprintk("%s: VSB_8 MODE\n", __FUNCTION__); + + /* Select VSB mode and serial MPEG interface */ + top_ctrl_cfg[1] = 0x07; + break; + + case QAM_64: + dprintk("%s: QAM_64 MODE\n", __FUNCTION__); + + /* Select QAM_64 mode and serial MPEG interface */ + top_ctrl_cfg[1] = 0x04; + break; + + case QAM_256: + dprintk("%s: QAM_256 MODE\n", __FUNCTION__); + + /* Select QAM_256 mode and serial MPEG interface */ + top_ctrl_cfg[1] = 0x05; + break; + default: + printk(KERN_WARNING "lgdt3302: %s: Modulation type(%d) UNSUPPORTED\n", __FUNCTION__, param->u.vsb.modulation); + return -1; + } + /* Initializations common to all modes */ + + /* Select the requested mode */ + i2c_writebytes(state, state->config->demod_address, + top_ctrl_cfg, sizeof(top_ctrl_cfg)); + + /* Change the value of IFBW[11:0] + of AGC IF/RF loop filter bandwidth register */ + i2c_writebytes(state, state->config->demod_address, + agc_rf_cfg, sizeof(agc_rf_cfg)); + + /* Change the value of bit 6, 'nINAGCBY' and + 'NSSEL[1:0] of ACG function control register 2 */ + /* Change the value of bit 6 'RFFIX' + of AGC function control register 3 */ + i2c_writebytes(state, state->config->demod_address, + agc_ctrl_cfg, sizeof(agc_ctrl_cfg)); + + /* Change the TPCLK pin polarity + data is valid on falling clock */ + i2c_writebytes(state, state->config->demod_address, + demux_ctrl_cfg, sizeof(demux_ctrl_cfg)); + + if (param->u.vsb.modulation == VSB_8) { + /* Initialization for VSB modes only */ + /* Change the value of NCOCTFV[25:0]of carrier + recovery center frequency register for VSB */ + i2c_writebytes(state, state->config->demod_address, + vsb_freq_cfg, sizeof(vsb_freq_cfg)); + } else { + /* Initialization for QAM modes only */ + /* Set the value of 'INLVTHD' register 0x2a/0x2c + to value from 'IFACC' register 0x39/0x3b -1 */ + int value; + i2c_selectreadbytes(state, AGC_RFIF_ACC0, + &agc_delay_cfg[1], 3); + value = ((agc_delay_cfg[1] & 0x0f) << 8) | agc_delay_cfg[3]; + value = value -1; + dprintk("%s IFACC -1 = 0x%03x\n", __FUNCTION__, value); + agc_delay_cfg[1] = (value >> 8) & 0x0f; + agc_delay_cfg[2] = 0x00; + agc_delay_cfg[3] = value & 0xff; + i2c_writebytes(state, state->config->demod_address, + agc_delay_cfg, sizeof(agc_delay_cfg)); + + /* Change the value of IAGCBW[15:8] + of inner AGC loop filter bandwith */ + i2c_writebytes(state, state->config->demod_address, + agc_loop_cfg, sizeof(agc_loop_cfg)); + } + + state->config->set_ts_params(fe, 0); + lgdt3302_SwReset(state); + state->current_modulation = param->u.vsb.modulation; + } + + /* Change only if we are actually changing the channel */ + if (state->current_frequency != param->frequency) { + dvb_pll_configure(state->config->pll_desc, buf, + param->frequency, 0); + dprintk("%s: tuner bytes: 0x%02x 0x%02x " + "0x%02x 0x%02x\n", __FUNCTION__, buf[0],buf[1],buf[2],buf[3]); + i2c_writebytes(state, state->config->pll_address ,buf, 4); + + /* Check the status of the tuner pll */ + i2c_readbytes(state, state->config->pll_address, buf, 1); + dprintk("%s: tuner status byte = 0x%02x\n", __FUNCTION__, buf[0]); + + lgdt3302_SwReset(state); + + /* Update current frequency */ + state->current_frequency = param->frequency; + } + return 0; +} + +static int lgdt3302_get_frontend(struct dvb_frontend* fe, + struct dvb_frontend_parameters* param) +{ + struct lgdt3302_state *state = fe->demodulator_priv; + param->frequency = state->current_frequency; + return 0; +} + +static int lgdt3302_read_status(struct dvb_frontend* fe, fe_status_t* status) +{ + struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv; + u8 buf[3]; + + *status = 0; /* Reset status result */ + + /* Check the status of the tuner pll */ + i2c_readbytes(state, state->config->pll_address, buf, 1); + dprintk("%s: tuner status byte = 0x%02x\n", __FUNCTION__, buf[0]); + if ((buf[0] & 0xc0) != 0x40) + return 0; /* Tuner PLL not locked or not powered on */ + + /* + * You must set the Mask bits to 1 in the IRQ_MASK in order + * to see that status bit in the IRQ_STATUS register. + * This is done in SwReset(); + */ + + /* AGC status register */ + i2c_selectreadbytes(state, AGC_STATUS, buf, 1); + dprintk("%s: AGC_STATUS = 0x%02x\n", __FUNCTION__, buf[0]); + if ((buf[0] & 0x0c) == 0x8){ + /* Test signal does not exist flag */ + /* as well as the AGC lock flag. */ + *status |= FE_HAS_SIGNAL; + } else { + /* Without a signal all other status bits are meaningless */ + return 0; + } + + /* signal status */ + i2c_selectreadbytes(state, TOP_CONTROL, buf, sizeof(buf)); + dprintk("%s: TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n", __FUNCTION__, buf[0], buf[1], buf[2]); + +#if 0 + /* Alternative method to check for a signal */ + /* using the SNR good/bad interrupts. */ + if ((buf[2] & 0x30) == 0x10) + *status |= FE_HAS_SIGNAL; +#endif + + /* sync status */ + if ((buf[2] & 0x03) == 0x01) { + *status |= FE_HAS_SYNC; + } + + /* FEC error status */ + if ((buf[2] & 0x0c) == 0x08) { + *status |= FE_HAS_LOCK; + *status |= FE_HAS_VITERBI; + } + + /* Carrier Recovery Lock Status Register */ + i2c_selectreadbytes(state, CARRIER_LOCK, buf, 1); + dprintk("%s: CARRIER_LOCK = 0x%02x\n", __FUNCTION__, buf[0]); + switch (state->current_modulation) { + case QAM_256: + case QAM_64: + /* Need to undestand why there are 3 lock levels here */ + if ((buf[0] & 0x07) == 0x07) + *status |= FE_HAS_CARRIER; + break; + case VSB_8: + if ((buf[0] & 0x80) == 0x80) + *status |= FE_HAS_CARRIER; + break; + default: + printk("KERN_WARNING lgdt3302: %s: Modulation set to unsupported value\n", __FUNCTION__); + } + + return 0; +} + +static int lgdt3302_read_signal_strength(struct dvb_frontend* fe, u16* strength) +{ + /* not directly available. */ + return 0; +} + +static int lgdt3302_read_snr(struct dvb_frontend* fe, u16* snr) +{ +#ifdef SNR_IN_DB + /* + * Spec sheet shows formula for SNR_EQ = 10 log10(25 * 24**2 / noise) + * and SNR_PH = 10 log10(25 * 32**2 / noise) for equalizer and phase tracker + * respectively. The following tables are built on these formulas. + * The usual definition is SNR = 20 log10(signal/noise) + * If the specification is wrong the value retuned is 1/2 the actual SNR in db. + * + * This table is a an ordered list of noise values computed by the + * formula from the spec sheet such that the index into the table + * starting at 43 or 45 is the SNR value in db. There are duplicate noise + * value entries at the beginning because the SNR varies more than + * 1 db for a change of 1 digit in noise at very small values of noise. + * + * Examples from SNR_EQ table: + * noise SNR + * 0 43 + * 1 42 + * 2 39 + * 3 37 + * 4 36 + * 5 35 + * 6 34 + * 7 33 + * 8 33 + * 9 32 + * 10 32 + * 11 31 + * 12 31 + * 13 30 + */ + + static const u32 SNR_EQ[] = + { 1, 2, 2, 2, 3, 3, 4, 4, 5, 7, + 9, 11, 13, 17, 21, 26, 33, 41, 52, 65, + 81, 102, 129, 162, 204, 257, 323, 406, 511, 644, + 810, 1020, 1284, 1616, 2035, 2561, 3224, 4059, 5110, 6433, + 8098, 10195, 12835, 16158, 20341, 25608, 32238, 40585, 51094, 64323, + 80978, 101945, 128341, 161571, 203406, 256073, 0x40000 + }; + + static const u32 SNR_PH[] = + { 1, 2, 2, 2, 3, 3, 4, 5, 6, 8, + 10, 12, 15, 19, 23, 29, 37, 46, 58, 73, + 91, 115, 144, 182, 229, 288, 362, 456, 574, 722, + 909, 1144, 1440, 1813, 2282, 2873, 3617, 4553, 5732, 7216, + 9084, 11436, 14396, 18124, 22817, 28724, 36161, 45524, 57312, 72151, + 90833, 114351, 143960, 181235, 228161, 0x040000 + }; + + static u8 buf[5];/* read data buffer */ + static u32 noise; /* noise value */ + static u32 snr_db; /* index into SNR_EQ[] */ + struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv; + + /* read both equalizer and pase tracker noise data */ + i2c_selectreadbytes(state, EQPH_ERR0, buf, sizeof(buf)); + + if (state->current_modulation == VSB_8) { + /* Equalizer Mean-Square Error Register for VSB */ + noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2]; + + /* + * Look up noise value in table. + * A better search algorithm could be used... + * watch out there are duplicate entries. + */ + for (snr_db = 0; snr_db < sizeof(SNR_EQ); snr_db++) { + if (noise < SNR_EQ[snr_db]) { + *snr = 43 - snr_db; + break; + } + } + } else { + /* Phase Tracker Mean-Square Error Register for QAM */ + noise = ((buf[0] & 7<<3) << 13) | (buf[3] << 8) | buf[4]; + + /* Look up noise value in table. */ + for (snr_db = 0; snr_db < sizeof(SNR_PH); snr_db++) { + if (noise < SNR_PH[snr_db]) { + *snr = 45 - snr_db; + break; + } + } + } +#else + /* Return the raw noise value */ + static u8 buf[5];/* read data buffer */ + static u32 noise; /* noise value */ + struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv; + + /* read both equalizer and pase tracker noise data */ + i2c_selectreadbytes(state, EQPH_ERR0, buf, sizeof(buf)); + + if (state->current_modulation == VSB_8) { + /* Equalizer Mean-Square Error Register for VSB */ + noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2]; + } else { + /* Phase Tracker Mean-Square Error Register for QAM */ + noise = ((buf[0] & 7<<3) << 13) | (buf[3] << 8) | buf[4]; + } + + /* Small values for noise mean signal is better so invert noise */ + /* Noise is 19 bit value so discard 3 LSB*/ + *snr = ~noise>>3; +#endif + + dprintk("%s: noise = 0x%05x, snr = %idb\n",__FUNCTION__, noise, *snr); + + return 0; +} + +static int lgdt3302_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings) +{ + /* I have no idea about this - it may not be needed */ + fe_tune_settings->min_delay_ms = 500; + fe_tune_settings->step_size = 0; + fe_tune_settings->max_drift = 0; + return 0; +} + +static void lgdt3302_release(struct dvb_frontend* fe) +{ + struct lgdt3302_state* state = (struct lgdt3302_state*) fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops lgdt3302_ops; + +struct dvb_frontend* lgdt3302_attach(const struct lgdt3302_config* config, + struct i2c_adapter* i2c) +{ + struct lgdt3302_state* state = NULL; + u8 buf[1]; + + /* Allocate memory for the internal state */ + state = (struct lgdt3302_state*) kmalloc(sizeof(struct lgdt3302_state), GFP_KERNEL); + if (state == NULL) + goto error; + memset(state,0,sizeof(*state)); + + /* Setup the state */ + state->config = config; + state->i2c = i2c; + memcpy(&state->ops, &lgdt3302_ops, sizeof(struct dvb_frontend_ops)); + /* Verify communication with demod chip */ + if (i2c_selectreadbytes(state, 2, buf, 1)) + goto error; + + state->current_frequency = -1; + state->current_modulation = -1; + + /* Create dvb_frontend */ + state->frontend.ops = &state->ops; + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + if (state) + kfree(state); + dprintk("%s: ERROR\n",__FUNCTION__); + return NULL; +} + +static struct dvb_frontend_ops lgdt3302_ops = { + .info = { + .name= "LG Electronics LGDT3302 VSB/QAM Frontend", + .type = FE_ATSC, + .frequency_min= 54000000, + .frequency_max= 858000000, + .frequency_stepsize= 62500, + /* Symbol rate is for all VSB modes need to check QAM */ + .symbol_rate_min = 10762000, + .symbol_rate_max = 10762000, + .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB + }, + .init = lgdt3302_init, + .set_frontend = lgdt3302_set_parameters, + .get_frontend = lgdt3302_get_frontend, + .get_tune_settings = lgdt3302_get_tune_settings, + .read_status = lgdt3302_read_status, + .read_ber = lgdt3302_read_ber, + .read_signal_strength = lgdt3302_read_signal_strength, + .read_snr = lgdt3302_read_snr, + .read_ucblocks = lgdt3302_read_ucblocks, + .release = lgdt3302_release, +}; + +MODULE_DESCRIPTION("LGDT3302 [DViCO FusionHDTV 3 Gold] (ATSC 8VSB & ITU-T J.83 AnnexB 64/256 QAM) Demodulator Driver"); +MODULE_AUTHOR("Wilson Michaels"); +MODULE_LICENSE("GPL"); + +EXPORT_SYMBOL(lgdt3302_attach); + +/* + * Local variables: + * c-basic-offset: 8 + * compile-command: "make DVB=1" + * End: + */ diff --git a/drivers/media/dvb/frontends/lgdt3302.h b/drivers/media/dvb/frontends/lgdt3302.h new file mode 100644 index 00000000000..81587a40032 --- /dev/null +++ b/drivers/media/dvb/frontends/lgdt3302.h @@ -0,0 +1,49 @@ +/* + * $Id: lgdt3302.h,v 1.2 2005/06/28 23:50:48 mkrufky Exp $ + * + * Support for LGDT3302 (DViCO FustionHDTV 3 Gold) - VSB/QAM + * + * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef LGDT3302_H +#define LGDT3302_H + +#include <linux/dvb/frontend.h> + +struct lgdt3302_config +{ + /* The demodulator's i2c address */ + u8 demod_address; + u8 pll_address; + struct dvb_pll_desc *pll_desc; + + /* Need to set device param for start_dma */ + int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); +}; + +extern struct dvb_frontend* lgdt3302_attach(const struct lgdt3302_config* config, + struct i2c_adapter* i2c); + +#endif /* LGDT3302_H */ + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/media/dvb/frontends/lgdt3302_priv.h b/drivers/media/dvb/frontends/lgdt3302_priv.h new file mode 100644 index 00000000000..6193fa7a569 --- /dev/null +++ b/drivers/media/dvb/frontends/lgdt3302_priv.h @@ -0,0 +1,72 @@ +/* + * $Id: lgdt3302_priv.h,v 1.2 2005/06/28 23:50:48 mkrufky Exp $ + * + * Support for LGDT3302 (DViCO FustionHDTV 3 Gold) - VSB/QAM + * + * Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef _LGDT3302_PRIV_ +#define _LGDT3302_PRIV_ + +/* i2c control register addresses */ +enum I2C_REG { + TOP_CONTROL= 0x00, + IRQ_MASK= 0x01, + IRQ_STATUS= 0x02, + VSB_CARRIER_FREQ0= 0x16, + VSB_CARRIER_FREQ1= 0x17, + VSB_CARRIER_FREQ2= 0x18, + VSB_CARRIER_FREQ3= 0x19, + CARRIER_MSEQAM1= 0x1a, + CARRIER_MSEQAM2= 0x1b, + CARRIER_LOCK= 0x1c, + TIMING_RECOVERY= 0x1d, + AGC_DELAY0= 0x2a, + AGC_DELAY1= 0x2b, + AGC_DELAY2= 0x2c, + AGC_RF_BANDWIDTH0= 0x2d, + AGC_RF_BANDWIDTH1= 0x2e, + AGC_RF_BANDWIDTH2= 0x2f, + AGC_LOOP_BANDWIDTH0= 0x30, + AGC_LOOP_BANDWIDTH1= 0x31, + AGC_FUNC_CTRL1= 0x32, + AGC_FUNC_CTRL2= 0x33, + AGC_FUNC_CTRL3= 0x34, + AGC_RFIF_ACC0= 0x39, + AGC_RFIF_ACC1= 0x3a, + AGC_RFIF_ACC2= 0x3b, + AGC_STATUS= 0x3f, + SYNC_STATUS_VSB= 0x43, + EQPH_ERR0= 0x47, + EQ_ERR1= 0x48, + EQ_ERR2= 0x49, + PH_ERR1= 0x4a, + PH_ERR2= 0x4b, + DEMUX_CONTROL= 0x66, + PACKET_ERR_COUNTER1= 0x6a, + PACKET_ERR_COUNTER2= 0x6b, +}; + +#endif /* _LGDT3302_PRIV_ */ + +/* + * Local variables: + * c-basic-offset: 8 + * End: + */ diff --git a/drivers/media/dvb/frontends/s5h1420.c b/drivers/media/dvb/frontends/s5h1420.c new file mode 100644 index 00000000000..4f396ac8de7 --- /dev/null +++ b/drivers/media/dvb/frontends/s5h1420.c @@ -0,0 +1,800 @@ +/* +Driver for Samsung S5H1420 QPSK Demodulator + +Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/slab.h> +#include <linux/delay.h> + +#include "dvb_frontend.h" +#include "s5h1420.h" + + + +#define TONE_FREQ 22000 + +struct s5h1420_state { + struct i2c_adapter* i2c; + struct dvb_frontend_ops ops; + const struct s5h1420_config* config; + struct dvb_frontend frontend; + + u8 postlocked:1; + u32 fclk; + u32 tunedfreq; + fe_code_rate_t fec_inner; + u32 symbol_rate; +}; + +static u32 s5h1420_getsymbolrate(struct s5h1420_state* state); +static int s5h1420_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings); + + +static int debug = 0; +#define dprintk if (debug) printk + +static int s5h1420_writereg (struct s5h1420_state* state, u8 reg, u8 data) +{ + u8 buf [] = { reg, data }; + struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 }; + int err; + + if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { + dprintk ("%s: writereg error (err == %i, reg == 0x%02x, data == 0x%02x)\n", __FUNCTION__, err, reg, data); + return -EREMOTEIO; + } + + return 0; +} + +static u8 s5h1420_readreg (struct s5h1420_state* state, u8 reg) +{ + int ret; + u8 b0 [] = { reg }; + u8 b1 [] = { 0 }; + struct i2c_msg msg1 = { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 }; + struct i2c_msg msg2 = { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 }; + + if ((ret = i2c_transfer (state->i2c, &msg1, 1)) != 1) + return ret; + + if ((ret = i2c_transfer (state->i2c, &msg2, 1)) != 1) + return ret; + + return b1[0]; +} + +static int s5h1420_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltage) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + switch(voltage) { + case SEC_VOLTAGE_13: + s5h1420_writereg(state, 0x3c, (s5h1420_readreg(state, 0x3c) & 0xfe) | 0x02); + break; + + case SEC_VOLTAGE_18: + s5h1420_writereg(state, 0x3c, s5h1420_readreg(state, 0x3c) | 0x03); + break; + + case SEC_VOLTAGE_OFF: + s5h1420_writereg(state, 0x3c, s5h1420_readreg(state, 0x3c) & 0xfd); + break; + } + + return 0; +} + +static int s5h1420_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + switch(tone) { + case SEC_TONE_ON: + s5h1420_writereg(state, 0x3b, (s5h1420_readreg(state, 0x3b) & 0x74) | 0x08); + break; + + case SEC_TONE_OFF: + s5h1420_writereg(state, 0x3b, (s5h1420_readreg(state, 0x3b) & 0x74) | 0x01); + break; + } + + return 0; +} + +static int s5h1420_send_master_cmd (struct dvb_frontend* fe, struct dvb_diseqc_master_cmd* cmd) +{ + struct s5h1420_state* state = fe->demodulator_priv; + u8 val; + int i; + unsigned long timeout; + int result = 0; + + /* setup for DISEQC */ + val = s5h1420_readreg(state, 0x3b); + s5h1420_writereg(state, 0x3b, 0x02); + msleep(15); + + /* write the DISEQC command bytes */ + for(i=0; i< cmd->msg_len; i++) { + s5h1420_writereg(state, 0x3c + i, cmd->msg[i]); + } + + /* kick off transmission */ + s5h1420_writereg(state, 0x3b, s5h1420_readreg(state, 0x3b) | ((cmd->msg_len-1) << 4) | 0x08); + + /* wait for transmission to complete */ + timeout = jiffies + ((100*HZ) / 1000); + while(time_before(jiffies, timeout)) { + if (s5h1420_readreg(state, 0x3b) & 0x08) + break; + + msleep(5); + } + if (time_after(jiffies, timeout)) + result = -ETIMEDOUT; + + /* restore original settings */ + s5h1420_writereg(state, 0x3b, val); + msleep(15); + return result; +} + +static int s5h1420_recv_slave_reply (struct dvb_frontend* fe, struct dvb_diseqc_slave_reply* reply) +{ + struct s5h1420_state* state = fe->demodulator_priv; + u8 val; + int i; + int length; + unsigned long timeout; + int result = 0; + + /* setup for DISEQC recieve */ + val = s5h1420_readreg(state, 0x3b); + s5h1420_writereg(state, 0x3b, 0x82); /* FIXME: guess - do we need to set DIS_RDY(0x08) in receive mode? */ + msleep(15); + + /* wait for reception to complete */ + timeout = jiffies + ((reply->timeout*HZ) / 1000); + while(time_before(jiffies, timeout)) { + if (!(s5h1420_readreg(state, 0x3b) & 0x80)) /* FIXME: do we test DIS_RDY(0x08) or RCV_EN(0x80)? */ + break; + + msleep(5); + } + if (time_after(jiffies, timeout)) { + result = -ETIMEDOUT; + goto exit; + } + + /* check error flag - FIXME: not sure what this does - docs do not describe + * beyond "error flag for diseqc receive data :( */ + if (s5h1420_readreg(state, 0x49)) { + result = -EIO; + goto exit; + } + + /* check length */ + length = (s5h1420_readreg(state, 0x3b) & 0x70) >> 4; + if (length > sizeof(reply->msg)) { + result = -EOVERFLOW; + goto exit; + } + reply->msg_len = length; + + /* extract data */ + for(i=0; i< length; i++) { + reply->msg[i] = s5h1420_readreg(state, 0x3c + i); + } + +exit: + /* restore original settings */ + s5h1420_writereg(state, 0x3b, val); + msleep(15); + return result; +} + +static int s5h1420_send_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd) +{ + struct s5h1420_state* state = fe->demodulator_priv; + u8 val; + int result = 0; + unsigned long timeout; + + /* setup for tone burst */ + val = s5h1420_readreg(state, 0x3b); + s5h1420_writereg(state, 0x3b, (s5h1420_readreg(state, 0x3b) & 0x70) | 0x01); + + /* set value for B position if requested */ + if (minicmd == SEC_MINI_B) { + s5h1420_writereg(state, 0x3b, s5h1420_readreg(state, 0x3b) | 0x04); + } + msleep(15); + + /* start transmission */ + s5h1420_writereg(state, 0x3b, s5h1420_readreg(state, 0x3b) | 0x08); + + /* wait for transmission to complete */ + timeout = jiffies + ((20*HZ) / 1000); + while(time_before(jiffies, timeout)) { + if (!(s5h1420_readreg(state, 0x3b) & 0x08)) + break; + + msleep(5); + } + if (time_after(jiffies, timeout)) + result = -ETIMEDOUT; + + /* restore original settings */ + s5h1420_writereg(state, 0x3b, val); + msleep(15); + return result; +} + +static fe_status_t s5h1420_get_status_bits(struct s5h1420_state* state) +{ + u8 val; + fe_status_t status = 0; + + val = s5h1420_readreg(state, 0x14); + if (val & 0x02) + status |= FE_HAS_SIGNAL; // FIXME: not sure if this is right + if (val & 0x01) + status |= FE_HAS_CARRIER; // FIXME: not sure if this is right + val = s5h1420_readreg(state, 0x36); + if (val & 0x01) + status |= FE_HAS_VITERBI; + if (val & 0x20) + status |= FE_HAS_SYNC; + if (status == (FE_HAS_SIGNAL|FE_HAS_CARRIER|FE_HAS_VITERBI|FE_HAS_SYNC)) + status |= FE_HAS_LOCK; + + return status; +} + +static int s5h1420_read_status(struct dvb_frontend* fe, fe_status_t* status) +{ + struct s5h1420_state* state = fe->demodulator_priv; + u8 val; + + if (status == NULL) + return -EINVAL; + + /* determine lock state */ + *status = s5h1420_get_status_bits(state); + + /* fix for FEC 5/6 inversion issue - if it doesn't quite lock, invert the inversion, + wait a bit and check again */ + if (*status == (FE_HAS_SIGNAL|FE_HAS_CARRIER|FE_HAS_VITERBI)) { + val = s5h1420_readreg(state, 0x32); + if ((val & 0x07) == 0x03) { + if (val & 0x08) + s5h1420_writereg(state, 0x31, 0x13); + else + s5h1420_writereg(state, 0x31, 0x1b); + + /* wait a bit then update lock status */ + mdelay(200); + *status = s5h1420_get_status_bits(state); + } + } + + /* perform post lock setup */ + if ((*status & FE_HAS_LOCK) && (!state->postlocked)) { + + /* calculate the data rate */ + u32 tmp = s5h1420_getsymbolrate(state); + switch(s5h1420_readreg(state, 0x32) & 0x07) { + case 0: + tmp = (tmp * 2 * 1) / 2; + break; + + case 1: + tmp = (tmp * 2 * 2) / 3; + break; + + case 2: + tmp = (tmp * 2 * 3) / 4; + break; + + case 3: + tmp = (tmp * 2 * 5) / 6; + break; + + case 4: + tmp = (tmp * 2 * 6) / 7; + break; + + case 5: + tmp = (tmp * 2 * 7) / 8; + break; + } + tmp = state->fclk / tmp; + + /* set the MPEG_CLK_INTL for the calculated data rate */ + if (tmp < 4) + val = 0x00; + else if (tmp < 8) + val = 0x01; + else if (tmp < 12) + val = 0x02; + else if (tmp < 16) + val = 0x03; + else if (tmp < 24) + val = 0x04; + else if (tmp < 32) + val = 0x05; + else + val = 0x06; + s5h1420_writereg(state, 0x22, val); + + /* DC freeze */ + s5h1420_writereg(state, 0x1f, s5h1420_readreg(state, 0x1f) | 0x01); + + /* kicker disable + remove DC offset */ + s5h1420_writereg(state, 0x05, s5h1420_readreg(state, 0x05) & 0x6f); + + /* post-lock processing has been done! */ + state->postlocked = 1; + } + + return 0; +} + +static int s5h1420_read_ber(struct dvb_frontend* fe, u32* ber) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + s5h1420_writereg(state, 0x46, 0x1d); + mdelay(25); + return (s5h1420_readreg(state, 0x48) << 8) | s5h1420_readreg(state, 0x47); +} + +static int s5h1420_read_signal_strength(struct dvb_frontend* fe, u16* strength) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + u8 val = 0xff - s5h1420_readreg(state, 0x15); + + return (int) ((val << 8) | val); +} + +static int s5h1420_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + s5h1420_writereg(state, 0x46, 0x1f); + mdelay(25); + return (s5h1420_readreg(state, 0x48) << 8) | s5h1420_readreg(state, 0x47); +} + +static void s5h1420_reset(struct s5h1420_state* state) +{ + s5h1420_writereg (state, 0x01, 0x08); + s5h1420_writereg (state, 0x01, 0x00); + udelay(10); +} + +static void s5h1420_setsymbolrate(struct s5h1420_state* state, struct dvb_frontend_parameters *p) +{ + u64 val; + + val = (p->u.qpsk.symbol_rate / 1000) * (1<<24); + if (p->u.qpsk.symbol_rate <= 21000000) { + val *= 2; + } + do_div(val, (state->fclk / 1000)); + + s5h1420_writereg(state, 0x09, s5h1420_readreg(state, 0x09) & 0x7f); + s5h1420_writereg(state, 0x11, val >> 16); + s5h1420_writereg(state, 0x12, val >> 8); + s5h1420_writereg(state, 0x13, val & 0xff); + s5h1420_writereg(state, 0x09, s5h1420_readreg(state, 0x09) | 0x80); +} + +static u32 s5h1420_getsymbolrate(struct s5h1420_state* state) +{ + u64 val; + int sampling = 2; + + if (s5h1420_readreg(state, 0x05) & 0x2) + sampling = 1; + + s5h1420_writereg(state, 0x06, s5h1420_readreg(state, 0x06) | 0x08); + val = s5h1420_readreg(state, 0x11) << 16; + val |= s5h1420_readreg(state, 0x12) << 8; + val |= s5h1420_readreg(state, 0x13); + s5h1420_writereg(state, 0x06, s5h1420_readreg(state, 0x06) & 0xf7); + + val *= (state->fclk / 1000); + do_div(val, ((1<<24) * sampling)); + + return (u32) (val * 1000); +} + +static void s5h1420_setfreqoffset(struct s5h1420_state* state, int freqoffset) +{ + int val; + + /* remember freqoffset is in kHz, but the chip wants the offset in Hz, so + * divide fclk by 1000000 to get the correct value. */ + val = -(int) ((freqoffset * (1<<24)) / (state->fclk / 1000000)); + + s5h1420_writereg(state, 0x09, s5h1420_readreg(state, 0x09) & 0xbf); + s5h1420_writereg(state, 0x0e, val >> 16); + s5h1420_writereg(state, 0x0f, val >> 8); + s5h1420_writereg(state, 0x10, val & 0xff); + s5h1420_writereg(state, 0x09, s5h1420_readreg(state, 0x09) | 0x40); +} + +static int s5h1420_getfreqoffset(struct s5h1420_state* state) +{ + int val; + + s5h1420_writereg(state, 0x06, s5h1420_readreg(state, 0x06) | 0x08); + val = s5h1420_readreg(state, 0x0e) << 16; + val |= s5h1420_readreg(state, 0x0f) << 8; + val |= s5h1420_readreg(state, 0x10); + s5h1420_writereg(state, 0x06, s5h1420_readreg(state, 0x06) & 0xf7); + + if (val & 0x800000) + val |= 0xff000000; + + /* remember freqoffset is in kHz, but the chip wants the offset in Hz, so + * divide fclk by 1000000 to get the correct value. */ + val = - ((val * (state->fclk/1000000)) / (1<<24)); + + return val; +} + +static void s5h1420_setfec(struct s5h1420_state* state, struct dvb_frontend_parameters *p) +{ + if ((p->u.qpsk.fec_inner == FEC_AUTO) || (p->inversion == INVERSION_AUTO)) { + s5h1420_writereg(state, 0x31, 0x00); + s5h1420_writereg(state, 0x30, 0x3f); + } else { + switch(p->u.qpsk.fec_inner) { + case FEC_1_2: + s5h1420_writereg(state, 0x31, 0x10); + s5h1420_writereg(state, 0x30, 0x01); + break; + + case FEC_2_3: + s5h1420_writereg(state, 0x31, 0x11); + s5h1420_writereg(state, 0x30, 0x02); + break; + + case FEC_3_4: + s5h1420_writereg(state, 0x31, 0x12); + s5h1420_writereg(state, 0x30, 0x04); + break; + + case FEC_5_6: + s5h1420_writereg(state, 0x31, 0x13); + s5h1420_writereg(state, 0x30, 0x08); + break; + + case FEC_6_7: + s5h1420_writereg(state, 0x31, 0x14); + s5h1420_writereg(state, 0x30, 0x10); + break; + + case FEC_7_8: + s5h1420_writereg(state, 0x31, 0x15); + s5h1420_writereg(state, 0x30, 0x20); + break; + + default: + return; + } + } +} + +static fe_code_rate_t s5h1420_getfec(struct s5h1420_state* state) +{ + switch(s5h1420_readreg(state, 0x32) & 0x07) { + case 0: + return FEC_1_2; + + case 1: + return FEC_2_3; + + case 2: + return FEC_3_4; + + case 3: + return FEC_5_6; + + case 4: + return FEC_6_7; + + case 5: + return FEC_7_8; + } + + return FEC_NONE; +} + +static void s5h1420_setinversion(struct s5h1420_state* state, struct dvb_frontend_parameters *p) +{ + if ((p->u.qpsk.fec_inner == FEC_AUTO) || (p->inversion == INVERSION_AUTO)) { + s5h1420_writereg(state, 0x31, 0x00); + s5h1420_writereg(state, 0x30, 0x3f); + } else { + u8 tmp = s5h1420_readreg(state, 0x31) & 0xf7; + tmp |= 0x10; + + if (p->inversion == INVERSION_ON) + tmp |= 0x80; + + s5h1420_writereg(state, 0x31, tmp); + } +} + +static fe_spectral_inversion_t s5h1420_getinversion(struct s5h1420_state* state) +{ + if (s5h1420_readreg(state, 0x32) & 0x08) + return INVERSION_ON; + + return INVERSION_OFF; +} + +static int s5h1420_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) +{ + struct s5h1420_state* state = fe->demodulator_priv; + u32 frequency_delta; + struct dvb_frontend_tune_settings fesettings; + + /* check if we should do a fast-tune */ + memcpy(&fesettings.parameters, p, sizeof(struct dvb_frontend_parameters)); + s5h1420_get_tune_settings(fe, &fesettings); + frequency_delta = p->frequency - state->tunedfreq; + if ((frequency_delta > -fesettings.max_drift) && (frequency_delta < fesettings.max_drift) && + (frequency_delta != 0) && + (state->fec_inner == p->u.qpsk.fec_inner) && + (state->symbol_rate == p->u.qpsk.symbol_rate)) { + + s5h1420_setfreqoffset(state, frequency_delta); + return 0; + } + + /* first of all, software reset */ + s5h1420_reset(state); + + /* set tuner PLL */ + if (state->config->pll_set) { + s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) | 1); + state->config->pll_set(fe, p, &state->tunedfreq); + s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) & 0xfe); + } + + /* set s5h1420 fclk PLL according to desired symbol rate */ + if (p->u.qpsk.symbol_rate > 28000000) { + state->fclk = 88000000; + s5h1420_writereg(state, 0x03, 0x50); + s5h1420_writereg(state, 0x04, 0x40); + s5h1420_writereg(state, 0x05, 0xae); + } else if (p->u.qpsk.symbol_rate > 21000000) { + state->fclk = 59000000; + s5h1420_writereg(state, 0x03, 0x33); + s5h1420_writereg(state, 0x04, 0x40); + s5h1420_writereg(state, 0x05, 0xae); + } else { + state->fclk = 88000000; + s5h1420_writereg(state, 0x03, 0x50); + s5h1420_writereg(state, 0x04, 0x40); + s5h1420_writereg(state, 0x05, 0xac); + } + + /* set misc registers */ + s5h1420_writereg(state, 0x02, 0x00); + s5h1420_writereg(state, 0x07, 0xb0); + s5h1420_writereg(state, 0x0a, 0x67); + s5h1420_writereg(state, 0x0b, 0x78); + s5h1420_writereg(state, 0x0c, 0x48); + s5h1420_writereg(state, 0x0d, 0x6b); + s5h1420_writereg(state, 0x2e, 0x8e); + s5h1420_writereg(state, 0x35, 0x33); + s5h1420_writereg(state, 0x38, 0x01); + s5h1420_writereg(state, 0x39, 0x7d); + s5h1420_writereg(state, 0x3a, (state->fclk + (TONE_FREQ * 32) - 1) / (TONE_FREQ * 32)); + s5h1420_writereg(state, 0x3c, 0x00); + s5h1420_writereg(state, 0x45, 0x61); + s5h1420_writereg(state, 0x46, 0x1d); + + /* start QPSK */ + s5h1420_writereg(state, 0x05, s5h1420_readreg(state, 0x05) | 1); + + /* set the frequency offset to adjust for PLL inaccuracy */ + s5h1420_setfreqoffset(state, p->frequency - state->tunedfreq); + + /* set the reset of the parameters */ + s5h1420_setsymbolrate(state, p); + s5h1420_setinversion(state, p); + s5h1420_setfec(state, p); + + state->fec_inner = p->u.qpsk.fec_inner; + state->symbol_rate = p->u.qpsk.symbol_rate; + state->postlocked = 0; + return 0; +} + +static int s5h1420_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + p->frequency = state->tunedfreq + s5h1420_getfreqoffset(state); + p->inversion = s5h1420_getinversion(state); + p->u.qpsk.symbol_rate = s5h1420_getsymbolrate(state); + p->u.qpsk.fec_inner = s5h1420_getfec(state); + + return 0; +} + +static int s5h1420_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings) +{ + if (fesettings->parameters.u.qpsk.symbol_rate > 20000000) { + fesettings->min_delay_ms = 50; + fesettings->step_size = 2000; + fesettings->max_drift = 8000; + } else if (fesettings->parameters.u.qpsk.symbol_rate > 12000000) { + fesettings->min_delay_ms = 100; + fesettings->step_size = 1500; + fesettings->max_drift = 9000; + } else if (fesettings->parameters.u.qpsk.symbol_rate > 8000000) { + fesettings->min_delay_ms = 100; + fesettings->step_size = 1000; + fesettings->max_drift = 8000; + } else if (fesettings->parameters.u.qpsk.symbol_rate > 4000000) { + fesettings->min_delay_ms = 100; + fesettings->step_size = 500; + fesettings->max_drift = 7000; + } else if (fesettings->parameters.u.qpsk.symbol_rate > 2000000) { + fesettings->min_delay_ms = 200; + fesettings->step_size = (fesettings->parameters.u.qpsk.symbol_rate / 8000); + fesettings->max_drift = 14 * fesettings->step_size; + } else { + fesettings->min_delay_ms = 200; + fesettings->step_size = (fesettings->parameters.u.qpsk.symbol_rate / 8000); + fesettings->max_drift = 18 * fesettings->step_size; + } + + return 0; +} + +static int s5h1420_init (struct dvb_frontend* fe) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + /* disable power down and do reset */ + s5h1420_writereg(state, 0x02, 0x10); + msleep(10); + s5h1420_reset(state); + + /* init PLL */ + if (state->config->pll_init) { + s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) | 1); + state->config->pll_init(fe); + s5h1420_writereg (state, 0x02, s5h1420_readreg(state,0x02) & 0xfe); + } + + return 0; +} + +static int s5h1420_sleep(struct dvb_frontend* fe) +{ + struct s5h1420_state* state = fe->demodulator_priv; + + return s5h1420_writereg(state, 0x02, 0x12); +} + +static void s5h1420_release(struct dvb_frontend* fe) +{ + struct s5h1420_state* state = fe->demodulator_priv; + kfree(state); +} + +static struct dvb_frontend_ops s5h1420_ops; + +struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config, struct i2c_adapter* i2c) +{ + struct s5h1420_state* state = NULL; + u8 identity; + + /* allocate memory for the internal state */ + state = kmalloc(sizeof(struct s5h1420_state), GFP_KERNEL); + if (state == NULL) + goto error; + + /* setup the state */ + state->config = config; + state->i2c = i2c; + memcpy(&state->ops, &s5h1420_ops, sizeof(struct dvb_frontend_ops)); + state->postlocked = 0; + state->fclk = 88000000; + state->tunedfreq = 0; + state->fec_inner = FEC_NONE; + state->symbol_rate = 0; + + /* check if the demod is there + identify it */ + identity = s5h1420_readreg(state, 0x00); + if (identity != 0x03) + goto error; + + /* create dvb_frontend */ + state->frontend.ops = &state->ops; + state->frontend.demodulator_priv = state; + return &state->frontend; + +error: + kfree(state); + return NULL; +} + +static struct dvb_frontend_ops s5h1420_ops = { + + .info = { + .name = "Samsung S5H1420 DVB-S", + .type = FE_QPSK, + .frequency_min = 950000, + .frequency_max = 2150000, + .frequency_stepsize = 125, /* kHz for QPSK frontends */ + .frequency_tolerance = 29500, + .symbol_rate_min = 1000000, + .symbol_rate_max = 45000000, + /* .symbol_rate_tolerance = ???,*/ + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_QPSK + }, + + .release = s5h1420_release, + + .init = s5h1420_init, + .sleep = s5h1420_sleep, + + .set_frontend = s5h1420_set_frontend, + .get_frontend = s5h1420_get_frontend, + .get_tune_settings = s5h1420_get_tune_settings, + + .read_status = s5h1420_read_status, + .read_ber = s5h1420_read_ber, + .read_signal_strength = s5h1420_read_signal_strength, + .read_ucblocks = s5h1420_read_ucblocks, + + .diseqc_send_master_cmd = s5h1420_send_master_cmd, + .diseqc_recv_slave_reply = s5h1420_recv_slave_reply, + .diseqc_send_burst = s5h1420_send_burst, + .set_tone = s5h1420_set_tone, + .set_voltage = s5h1420_set_voltage, +}; + +module_param(debug, int, 0644); + +MODULE_DESCRIPTION("Samsung S5H1420 DVB-S Demodulator driver"); +MODULE_AUTHOR("Andrew de Quincey"); +MODULE_LICENSE("GPL"); + +EXPORT_SYMBOL(s5h1420_attach); diff --git a/drivers/media/dvb/frontends/s5h1420.h b/drivers/media/dvb/frontends/s5h1420.h new file mode 100644 index 00000000000..b687fc77ceb --- /dev/null +++ b/drivers/media/dvb/frontends/s5h1420.h @@ -0,0 +1,41 @@ +/* + Driver for S5H1420 QPSK Demodulators + + Copyright (C) 2005 Andrew de Quincey <adq_dvb@lidskialf.net> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef S5H1420_H +#define S5H1420_H + +#include <linux/dvb/frontend.h> + +struct s5h1420_config +{ + /* the demodulator's i2c address */ + u8 demod_address; + + /* PLL maintenance */ + int (*pll_init)(struct dvb_frontend* fe); + int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u32* freqout); +}; + +extern struct dvb_frontend* s5h1420_attach(const struct s5h1420_config* config, + struct i2c_adapter* i2c); + +#endif // S5H1420_H diff --git a/drivers/media/dvb/frontends/stv0297.c b/drivers/media/dvb/frontends/stv0297.c index e681263bf07..928aca052af 100644 --- a/drivers/media/dvb/frontends/stv0297.c +++ b/drivers/media/dvb/frontends/stv0297.c @@ -617,7 +617,7 @@ static int stv0297_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_par /* wait for WGAGC lock */ starttime = jiffies; - timeout = jiffies + (200 * HZ) / 1000; + timeout = jiffies + msecs_to_jiffies(2000); while (time_before(jiffies, timeout)) { msleep(10); if (stv0297_readreg(state, 0x43) & 0x08) @@ -629,7 +629,7 @@ static int stv0297_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_par msleep(20); /* wait for equaliser partial convergence */ - timeout = jiffies + (50 * HZ) / 1000; + timeout = jiffies + msecs_to_jiffies(500); while (time_before(jiffies, timeout)) { msleep(10); @@ -642,7 +642,7 @@ static int stv0297_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_par } /* wait for equaliser full convergence */ - timeout = jiffies + (delay * HZ) / 1000; + timeout = jiffies + msecs_to_jiffies(delay); while (time_before(jiffies, timeout)) { msleep(10); @@ -659,7 +659,7 @@ static int stv0297_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_par stv0297_writereg_mask(state, 0x88, 8, 0); /* wait for main lock */ - timeout = jiffies + (20 * HZ) / 1000; + timeout = jiffies + msecs_to_jiffies(20); while (time_before(jiffies, timeout)) { msleep(10); diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c index 0beb370792a..ab0c032472c 100644 --- a/drivers/media/dvb/frontends/tda1004x.c +++ b/drivers/media/dvb/frontends/tda1004x.c @@ -49,10 +49,8 @@ struct tda1004x_state { /* private demod data */ u8 initialised; enum tda1004x_demod demod_type; - u8 fw_version; }; - static int debug; #define dprintk(args...) \ do { \ @@ -122,6 +120,8 @@ static int debug; #define TDA10046H_GPIO_OUT_SEL 0x41 #define TDA10046H_GPIO_SELECT 0x42 #define TDA10046H_AGC_CONF 0x43 +#define TDA10046H_AGC_THR 0x44 +#define TDA10046H_AGC_RENORM 0x45 #define TDA10046H_AGC_GAINS 0x46 #define TDA10046H_AGC_TUN_MIN 0x47 #define TDA10046H_AGC_TUN_MAX 0x48 @@ -274,14 +274,26 @@ static int tda10046h_set_bandwidth(struct tda1004x_state *state, switch (bandwidth) { case BANDWIDTH_6_MHZ: tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_6mhz, sizeof(bandwidth_6mhz)); + if (state->config->if_freq == TDA10046_FREQ_045) { + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x09); + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x4f); + } break; case BANDWIDTH_7_MHZ: tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_7mhz, sizeof(bandwidth_7mhz)); + if (state->config->if_freq == TDA10046_FREQ_045) { + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0a); + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x79); + } break; case BANDWIDTH_8_MHZ: tda1004x_write_buf(state, TDA10046H_TIME_WREF1, bandwidth_8mhz, sizeof(bandwidth_8mhz)); + if (state->config->if_freq == TDA10046_FREQ_045) { + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0b); + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0xa3); + } break; default: @@ -315,20 +327,35 @@ static int tda1004x_do_upload(struct tda1004x_state *state, memcpy(buf + 1, mem + pos, tx_size); fw_msg.len = tx_size + 1; if (i2c_transfer(state->i2c, &fw_msg, 1) != 1) { - printk("tda1004x: Error during firmware upload\n"); + printk(KERN_ERR "tda1004x: Error during firmware upload\n"); return -EIO; } pos += tx_size; dprintk("%s: fw_pos=0x%x\n", __FUNCTION__, pos); } + // give the DSP a chance to settle 03/10/05 Hac + msleep(100); return 0; } -static int tda1004x_check_upload_ok(struct tda1004x_state *state, u8 dspVersion) +static int tda1004x_check_upload_ok(struct tda1004x_state *state) { u8 data1, data2; + unsigned long timeout; + + if (state->demod_type == TDA1004X_DEMOD_TDA10046) { + timeout = jiffies + 2 * HZ; + while(!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) { + if (time_after(jiffies, timeout)) { + printk(KERN_ERR "tda1004x: timeout waiting for DSP ready\n"); + break; + } + msleep(1); + } + } else + msleep(100); // check upload was OK tda1004x_write_mask(state, TDA1004X_CONFC4, 0x10, 0); // we want to read from the DSP @@ -336,9 +363,11 @@ static int tda1004x_check_upload_ok(struct tda1004x_state *state, u8 dspVersion) data1 = tda1004x_read_byte(state, TDA1004X_DSP_DATA1); data2 = tda1004x_read_byte(state, TDA1004X_DSP_DATA2); - if ((data1 != 0x67) || (data2 != dspVersion)) + if (data1 != 0x67 || data2 < 0x20 || data2 > 0x2e) { + printk(KERN_INFO "tda1004x: found firmware revision %x -- invalid\n", data2); return -EIO; - + } + printk(KERN_INFO "tda1004x: found firmware revision %x -- ok\n", data2); return 0; } @@ -349,14 +378,14 @@ static int tda10045_fwupload(struct dvb_frontend* fe) const struct firmware *fw; /* don't re-upload unless necessary */ - if (tda1004x_check_upload_ok(state, 0x2c) == 0) + if (tda1004x_check_upload_ok(state) == 0) return 0; /* request the firmware, this will block until someone uploads it */ - printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE); + printk(KERN_INFO "tda1004x: waiting for firmware upload (%s)...\n", TDA10045_DEFAULT_FIRMWARE); ret = state->config->request_firmware(fe, &fw, TDA10045_DEFAULT_FIRMWARE); if (ret) { - printk("tda1004x: no firmware upload (timeout or file not found?)\n"); + printk(KERN_ERR "tda1004x: no firmware upload (timeout or file not found?)\n"); return ret; } @@ -370,95 +399,93 @@ static int tda10045_fwupload(struct dvb_frontend* fe) tda10045h_set_bandwidth(state, BANDWIDTH_8_MHZ); ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10045H_FWPAGE, TDA10045H_CODE_IN); + release_firmware(fw); if (ret) return ret; - printk("tda1004x: firmware upload complete\n"); + printk(KERN_INFO "tda1004x: firmware upload complete\n"); /* wait for DSP to initialise */ /* DSPREADY doesn't seem to work on the TDA10045H */ msleep(100); - return tda1004x_check_upload_ok(state, 0x2c); + return tda1004x_check_upload_ok(state); } -static int tda10046_get_fw_version(struct tda1004x_state *state, - const struct firmware *fw) +static void tda10046_init_plls(struct dvb_frontend* fe) { - const unsigned char pattern[] = { 0x67, 0x00, 0x50, 0x62, 0x5e, 0x18, 0x67 }; - unsigned int i; - - /* area guessed from firmware v20, v21 and v25 */ - for (i = 0x660; i < 0x700; i++) { - if (!memcmp(&fw->data[i], pattern, sizeof(pattern))) { - state->fw_version = fw->data[i + sizeof(pattern)]; - printk(KERN_INFO "tda1004x: using firmware v%02x\n", - state->fw_version); - return 0; - } - } + struct tda1004x_state* state = fe->demodulator_priv; - return -EINVAL; + tda1004x_write_byteI(state, TDA10046H_CONFPLL1, 0xf0); + tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10 + if (state->config->xtal_freq == TDA10046_XTAL_4M ) { + dprintk("%s: setting up PLLs for a 4 MHz Xtal\n", __FUNCTION__); + tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 0); // PLL P = N = 0 + } else { + dprintk("%s: setting up PLLs for a 16 MHz Xtal\n", __FUNCTION__); + tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 3); // PLL P = 0, N = 3 + } + tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99); + switch (state->config->if_freq) { + case TDA10046_FREQ_3617: + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c); + break; + case TDA10046_FREQ_3613: + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x13); + break; + case TDA10046_FREQ_045: + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0b); + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0xa3); + break; + case TDA10046_FREQ_052: + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0x0c); + tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x06); + break; + } + tda10046h_set_bandwidth(state, BANDWIDTH_8_MHZ); // default bandwidth 8 MHz } static int tda10046_fwupload(struct dvb_frontend* fe) { struct tda1004x_state* state = fe->demodulator_priv; - unsigned long timeout; int ret; const struct firmware *fw; /* reset + wake up chip */ - tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 0); + tda1004x_write_byteI(state, TDA1004X_CONFC4, 0); tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 1, 0); - msleep(100); + /* let the clocks recover from sleep */ + msleep(5); /* don't re-upload unless necessary */ - if (tda1004x_check_upload_ok(state, state->fw_version) == 0) + if (tda1004x_check_upload_ok(state) == 0) return 0; - /* request the firmware, this will block until someone uploads it */ - printk("tda1004x: waiting for firmware upload (%s)...\n", TDA10046_DEFAULT_FIRMWARE); - ret = state->config->request_firmware(fe, &fw, TDA10046_DEFAULT_FIRMWARE); - if (ret) { - printk("tda1004x: no firmware upload (timeout or file not found?)\n"); - return ret; - } - - if (fw->size < 24478) { /* size of firmware v20, which is the smallest of v20, v21 and v25 */ - printk("tda1004x: firmware file seems to be too small (%d bytes)\n", fw->size); - return -EINVAL; - } - - ret = tda10046_get_fw_version(state, fw); - if (ret < 0) { - printk("tda1004x: unable to find firmware version\n"); - return ret; - } - /* set parameters */ - tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); - tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c); - tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99); - tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); - tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c); - tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8); // going to boot from HOST - - ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10046H_CODE_CPT, TDA10046H_CODE_IN); - if (ret) - return ret; - printk("tda1004x: firmware upload complete\n"); - - /* wait for DSP to initialise */ - timeout = jiffies + HZ; - while (!(tda1004x_read_byte(state, TDA1004X_STATUS_CD) & 0x20)) { - if (time_after(jiffies, timeout)) { - printk("tda1004x: DSP failed to initialised.\n"); - return -EIO; + tda10046_init_plls(fe); + + if (state->config->request_firmware != NULL) { + /* request the firmware, this will block until someone uploads it */ + printk(KERN_INFO "tda1004x: waiting for firmware upload...\n"); + ret = state->config->request_firmware(fe, &fw, TDA10046_DEFAULT_FIRMWARE); + if (ret) { + printk(KERN_ERR "tda1004x: no firmware upload (timeout or file not found?)\n"); + return ret; } - msleep(1); + tda1004x_write_mask(state, TDA1004X_CONFC4, 8, 8); // going to boot from HOST + ret = tda1004x_do_upload(state, fw->data, fw->size, TDA10046H_CODE_CPT, TDA10046H_CODE_IN); + release_firmware(fw); + if (ret) + return ret; + } else { + /* boot from firmware eeprom */ + /* Hac Note: we might need to do some GPIO Magic here */ + printk(KERN_INFO "tda1004x: booting from eeprom\n"); + tda1004x_write_mask(state, TDA1004X_CONFC4, 4, 4); + msleep(300); } - - return tda1004x_check_upload_ok(state, state->fw_version); + return tda1004x_check_upload_ok(state); } static int tda1004x_encode_fec(int fec) @@ -560,12 +587,10 @@ static int tda10046_init(struct dvb_frontend* fe) if (tda10046_fwupload(fe)) { printk("tda1004x: firmware upload failed\n"); - return -EIO; + return -EIO; } - tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 0); // wake up the chip - - // Init the PLL + // Init the tuner PLL if (state->config->pll_init) { tda1004x_enable_tuner_i2c(state); state->config->pll_init(fe); @@ -574,32 +599,44 @@ static int tda10046_init(struct dvb_frontend* fe) // tda setup tda1004x_write_mask(state, TDA1004X_CONFC4, 0x20, 0); // disable DSP watchdog timer - tda1004x_write_mask(state, TDA1004X_CONFC1, 0x40, 0x40); - tda1004x_write_mask(state, TDA1004X_AUTO, 8, 0); // select HP stream - tda1004x_write_mask(state, TDA1004X_CONFC1, 0x80, 0); // disable pulse killer - tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10 - tda1004x_write_byteI(state, TDA10046H_CONFPLL3, state->config->n_i2c); // PLL P = N = 0 - tda1004x_write_byteI(state, TDA10046H_FREQ_OFFSET, 99); // FREQOFFS = 99 - tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_MSB, 0xd4); // } PHY2 = -11221 - tda1004x_write_byteI(state, TDA10046H_FREQ_PHY2_LSB, 0x2c); // } - tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0); // AGC setup - tda1004x_write_mask(state, TDA10046H_CONF_POLARITY, 0x60, 0x60); // set AGC polarities + tda1004x_write_byteI(state, TDA1004X_AUTO, 7); // select HP stream + tda1004x_write_byteI(state, TDA1004X_CONFC1, 8); // disable pulse killer + + tda10046_init_plls(fe); + switch (state->config->agc_config) { + case TDA10046_AGC_DEFAULT: + tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x00); // AGC setup + tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities + break; + case TDA10046_AGC_IFO_AUTO_NEG: + tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x0a); // AGC setup + tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities + break; + case TDA10046_AGC_IFO_AUTO_POS: + tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x0a); // AGC setup + tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x00); // set AGC polarities + break; + case TDA10046_AGC_TDA827X: + tda1004x_write_byteI(state, TDA10046H_AGC_CONF, 0x02); // AGC setup + tda1004x_write_byteI(state, TDA10046H_AGC_THR, 0x70); // AGC Threshold + tda1004x_write_byteI(state, TDA10046H_AGC_RENORM, 0x0E); // Gain Renormalize + tda1004x_write_byteI(state, TDA10046H_CONF_POLARITY, 0x60); // set AGC polarities + break; + } + tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0x61); // Turn both AGC outputs on tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MIN, 0); // } tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MAX, 0xff); // } AGC min/max values tda1004x_write_byteI(state, TDA10046H_AGC_IF_MIN, 0); // } tda1004x_write_byteI(state, TDA10046H_AGC_IF_MAX, 0xff); // } - tda1004x_write_mask(state, TDA10046H_CVBER_CTRL, 0x30, 0x10); // 10^6 VBER measurement bits tda1004x_write_byteI(state, TDA10046H_AGC_GAINS, 1); // IF gain 2, TUN gain 1 - tda1004x_write_mask(state, TDA1004X_AUTO, 0x80, 0); // crystal is 50ppm + tda1004x_write_byteI(state, TDA10046H_CVBER_CTRL, 0x1a); // 10^6 VBER measurement bits tda1004x_write_byteI(state, TDA1004X_CONF_TS1, 7); // MPEG2 interface config - tda1004x_write_mask(state, TDA1004X_CONF_TS2, 0x31, 0); // MPEG2 interface config - tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 0x9e, 0); // disable AGC_TUN + tda1004x_write_byteI(state, TDA1004X_CONF_TS2, 0xc0); // MPEG2 interface config + tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7); + tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE2, 0xe1); // tristate setup tda1004x_write_byteI(state, TDA10046H_GPIO_OUT_SEL, 0xcc); // GPIO output config - tda1004x_write_mask(state, TDA10046H_GPIO_SELECT, 8, 8); // GPIO select - tda10046h_set_bandwidth(state, BANDWIDTH_8_MHZ); // default bandwidth 8 MHz - - tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7); + tda1004x_write_byteI(state, TDA10046H_GPIO_SELECT, 8); // GPIO select state->initialised = 1; return 0; @@ -629,9 +666,6 @@ static int tda1004x_set_fe(struct dvb_frontend* fe, state->config->pll_set(fe, fe_params); tda1004x_disable_tuner_i2c(state); - if (state->demod_type == TDA1004X_DEMOD_TDA10046) - tda1004x_write_mask(state, TDA10046H_AGC_CONF, 4, 4); - // Hardcoded to use auto as much as possible on the TDA10045 as it // is very unreliable if AUTO mode is _not_ used. if (state->demod_type == TDA1004X_DEMOD_TDA10045) { @@ -1089,6 +1123,11 @@ static int tda1004x_sleep(struct dvb_frontend* fe) break; case TDA1004X_DEMOD_TDA10046: + if (state->config->pll_sleep != NULL) { + tda1004x_enable_tuner_i2c(state); + state->config->pll_sleep(fe); + tda1004x_disable_tuner_i2c(state); + } tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1); break; } @@ -1100,8 +1139,9 @@ static int tda1004x_sleep(struct dvb_frontend* fe) static int tda1004x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings) { fesettings->min_delay_ms = 800; - fesettings->step_size = 166667; - fesettings->max_drift = 166667*2; + /* Drift compensation makes no sense for DVB-T */ + fesettings->step_size = 0; + fesettings->max_drift = 0; return 0; } @@ -1216,7 +1256,6 @@ struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config, memcpy(&state->ops, &tda10046_ops, sizeof(struct dvb_frontend_ops)); state->initialised = 0; state->demod_type = TDA1004X_DEMOD_TDA10046; - state->fw_version = 0x20; /* dummy default value */ /* check if the demod is there */ if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) { diff --git a/drivers/media/dvb/frontends/tda1004x.h b/drivers/media/dvb/frontends/tda1004x.h index c8e1d54ff26..8659c52647a 100644 --- a/drivers/media/dvb/frontends/tda1004x.h +++ b/drivers/media/dvb/frontends/tda1004x.h @@ -26,6 +26,25 @@ #include <linux/dvb/frontend.h> #include <linux/firmware.h> +enum tda10046_xtal { + TDA10046_XTAL_4M, + TDA10046_XTAL_16M, +}; + +enum tda10046_agc { + TDA10046_AGC_DEFAULT, /* original configuration */ + TDA10046_AGC_IFO_AUTO_NEG, /* IF AGC only, automatic, negtive */ + TDA10046_AGC_IFO_AUTO_POS, /* IF AGC only, automatic, positive */ + TDA10046_AGC_TDA827X, /* IF AGC only, special setup for tda827x */ +}; + +enum tda10046_if { + TDA10046_FREQ_3617, /* original config, 36,166 MHZ */ + TDA10046_FREQ_3613, /* 36,13 MHZ */ + TDA10046_FREQ_045, /* low IF, 4.0, 4.5, or 5.0 MHZ */ + TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */ +}; + struct tda1004x_config { /* the demodulator's i2c address */ @@ -37,14 +56,22 @@ struct tda1004x_config /* Does the OCLK signal need inverted? */ u8 invert_oclk; - /* value of N_I2C of the CONF_PLL3 register */ - u8 n_i2c; + /* Xtal frequency, 4 or 16MHz*/ + enum tda10046_xtal xtal_freq; + + /* IF frequency */ + enum tda10046_if if_freq; + + /* AGC configuration */ + enum tda10046_agc agc_config; /* PLL maintenance */ int (*pll_init)(struct dvb_frontend* fe); + void (*pll_sleep)(struct dvb_frontend* fe); int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); /* request firmware for device */ + /* set this to NULL if the card has a firmware EEPROM */ int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name); }; diff --git a/drivers/media/dvb/frontends/tda80xx.c b/drivers/media/dvb/frontends/tda80xx.c index 032d348dafb..88e125079ca 100644 --- a/drivers/media/dvb/frontends/tda80xx.c +++ b/drivers/media/dvb/frontends/tda80xx.c @@ -27,7 +27,6 @@ #include <linux/spinlock.h> #include <linux/threads.h> #include <linux/interrupt.h> -#include <linux/irq.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> |