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    Subject[DVB patch 28/48] support pcHDTV HD2000
    o DVB support for the pcHDTV HD2000 card, submitted by Rusty Scott
    o remove bttv dependency from frontend (Kenneth Aafloy)

    Signed-off-by: Johannes Stezenbach <js@linuxtv.org>

    bt8xx/Kconfig | 4
    bt8xx/dvb-bt8xx.c | 72 +++++
    bt8xx/dvb-bt8xx.h | 1
    frontends/Kconfig | 7
    frontends/Makefile | 1
    frontends/or51132.c | 6
    frontends/or51211.c | 631 ++++++++++++++++++++++++++++++++++++++++++++++++++++
    frontends/or51211.h | 44 +++
    8 files changed, 761 insertions(+), 5 deletions(-)

    Index: linux-2.6.12-rc1-mm1/drivers/media/dvb/bt8xx/Kconfig
    ===================================================================
    --- linux-2.6.12-rc1-mm1.orig/drivers/media/dvb/bt8xx/Kconfig 2005-03-21 23:27:57.000000000 +0100
    +++ linux-2.6.12-rc1-mm1/drivers/media/dvb/bt8xx/Kconfig 2005-03-22 00:18:23.000000000 +0100
    @@ -5,9 +5,11 @@ config DVB_BT8XX
    select DVB_SP887X
    select DVB_NXT6000
    select DVB_CX24110
    + select DVB_OR51211
    help
    Support for PCI cards based on the Bt8xx PCI bridge. Examples are
    - the Nebula cards, the Pinnacle PCTV cards and Twinhan DST cards.
    + the Nebula cards, the Pinnacle PCTV cards, the Twinhan DST cards and
    + pcHDTV HD2000 cards.

    Since these cards have no MPEG decoder onboard, they transmit
    only compressed MPEG data over the PCI bus, so you need
    Index: linux-2.6.12-rc1-mm1/drivers/media/dvb/bt8xx/dvb-bt8xx.c
    ===================================================================
    --- linux-2.6.12-rc1-mm1.orig/drivers/media/dvb/bt8xx/dvb-bt8xx.c 2005-03-21 23:27:57.000000000 +0100
    +++ linux-2.6.12-rc1-mm1/drivers/media/dvb/bt8xx/dvb-bt8xx.c 2005-03-22 00:18:23.000000000 +0100
    @@ -133,7 +133,7 @@ static int thomson_dtt7579_demod_init(st
    static u8 mt352_reset [] = { 0x50, 0x80 };
    static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 };
    static u8 mt352_agc_cfg [] = { 0x67, 0x28, 0x20 };
    - static u8 mt352_gpp_ctl_cfg [] = { 0x75, 0x33 };
    + static u8 mt352_gpp_ctl_cfg [] = { 0x8C, 0x33 };
    static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 };

    mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
    @@ -369,6 +369,63 @@ static struct dst_config dst_config = {
    };


    +static int or51211_request_firmware(struct dvb_frontend* fe, const struct firmware **fw, char* name)
    +{
    + struct dvb_bt8xx_card* bt = (struct dvb_bt8xx_card*) fe->dvb->priv;
    +
    + return request_firmware(fw, name, &bt->bt->dev->dev);
    +}
    +
    +static void or51211_setmode(struct dvb_frontend * fe, int mode)
    +{
    + struct dvb_bt8xx_card *bt = fe->dvb->priv;
    + bttv_write_gpio(bt->bttv_nr, 0x0002, mode); /* Reset */
    + msleep(20);
    +}
    +
    +static void or51211_reset(struct dvb_frontend * fe)
    +{
    + struct dvb_bt8xx_card *bt = fe->dvb->priv;
    +
    + /* RESET DEVICE
    + * reset is controled by GPIO-0
    + * when set to 0 causes reset and when to 1 for normal op
    + * must remain reset for 128 clock cycles on a 50Mhz clock
    + * also PRM1 PRM2 & PRM4 are controled by GPIO-1,GPIO-2 & GPIO-4
    + * We assume that the reset has be held low long enough or we
    + * have been reset by a power on. When the driver is unloaded
    + * reset set to 0 so if reloaded we have been reset.
    + */
    + /* reset & PRM1,2&4 are outputs */
    + int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F);
    + if (ret != 0) {
    + printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR "
    + "(%i)\n", ret);
    + }
    + bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000); /* Reset */
    + msleep(20);
    + /* Now set for normal operation */
    + bttv_write_gpio(bt->bttv_nr, 0x0001F, 0x0001);
    + /* wait for operation to begin */
    + msleep(500);
    +}
    +
    +static void or51211_sleep(struct dvb_frontend * fe)
    +{
    + struct dvb_bt8xx_card *bt = fe->dvb->priv;
    + bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000);
    +}
    +
    +static struct or51211_config or51211_config = {
    +
    + .demod_address = 0x15,
    + .request_firmware = or51211_request_firmware,
    + .setmode = or51211_setmode,
    + .reset = or51211_reset,
    + .sleep = or51211_sleep,
    +};
    +
    +
    static int vp3021_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params)
    {
    struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *) fe->dvb->priv;
    @@ -458,6 +515,13 @@ static void frontend_init(struct dvb_bt8
    break;
    }
    break;
    +
    + case BTTV_PC_HDTV:
    + card->fe = or51211_attach(&or51211_config, card->i2c_adapter);
    + if (card->fe != NULL) {
    + break;
    + }
    + break;
    }

    if (card->fe == NULL) {
    @@ -637,6 +701,12 @@ static int dvb_bt8xx_probe(struct device
    * RISC+FIFO ENABLE */
    break;

    + case BTTV_PC_HDTV:
    + card->gpio_mode = 0x0100EC7B;
    + card->op_sync_orin = 0;
    + card->irq_err_ignore = 0;
    + break;
    +
    default:
    printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n",
    sub->core->type);
    Index: linux-2.6.12-rc1-mm1/drivers/media/dvb/bt8xx/dvb-bt8xx.h
    ===================================================================
    --- linux-2.6.12-rc1-mm1.orig/drivers/media/dvb/bt8xx/dvb-bt8xx.h 2005-03-21 23:27:57.000000000 +0100
    +++ linux-2.6.12-rc1-mm1/drivers/media/dvb/bt8xx/dvb-bt8xx.h 2005-03-22 00:18:23.000000000 +0100
    @@ -34,6 +34,7 @@
    #include "dst.h"
    #include "nxt6000.h"
    #include "cx24110.h"
    +#include "or51211.h"

    struct dvb_bt8xx_card {
    struct semaphore lock;
    Index: linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/Kconfig
    ===================================================================
    --- linux-2.6.12-rc1-mm1.orig/drivers/media/dvb/frontends/Kconfig 2005-03-22 00:15:24.000000000 +0100
    +++ linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/Kconfig 2005-03-22 00:18:23.000000000 +0100
    @@ -162,4 +162,11 @@ config DVB_OR51132
    tristate "OR51132 based (pcHDTV)"
    depends on DVB_CORE

    +config DVB_OR51211
    + tristate "or51211 based (pcHDTV HD2000 card)"
    + depends on DVB_CORE
    + select FW_LOADER
    + help
    + An ATSC 8VSB tuner module. Say Y when you want to support this frontend.
    +
    endmenu
    Index: linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/Makefile
    ===================================================================
    --- linux-2.6.12-rc1-mm1.orig/drivers/media/dvb/frontends/Makefile 2005-03-21 23:27:57.000000000 +0100
    +++ linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/Makefile 2005-03-22 00:18:23.000000000 +0100
    @@ -26,4 +26,5 @@ obj-$(CONFIG_DVB_TDA80XX) += tda80xx.o
    obj-$(CONFIG_DVB_TDA10021) += tda10021.o
    obj-$(CONFIG_DVB_STV0297) += stv0297.o
    obj-$(CONFIG_DVB_NXT2002) += nxt2002.o
    +obj-$(CONFIG_DVB_OR51211) += or51211.o
    obj-$(CONFIG_DVB_OR51132) += or51132.o
    Index: linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/or51211.c
    ===================================================================
    --- /dev/null 1970-01-01 00:00:00.000000000 +0000
    +++ linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/or51211.c 2005-03-22 00:18:23.000000000 +0100
    @@ -0,0 +1,631 @@
    +/*
    + * Support for OR51211 (pcHDTV HD-2000) - VSB
    + *
    + * Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.com>
    + *
    + * Based on code from Jack Kelliher (kelliher@xmission.com)
    + * Copyright (C) 2002 & pcHDTV, inc.
    + *
    + * 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.
    + *
    +*/
    +
    +/*
    + * This driver needs external firmware. Please use the command
    + * "<kerneldir>/Documentation/dvb/get_dvb_firmware or51211" to
    + * download/extract it, and then copy it to /usr/lib/hotplug/firmware.
    + */
    +#define OR51211_DEFAULT_FIRMWARE "dvb-fe-or51211.fw"
    +
    +#include <linux/kernel.h>
    +#include <linux/module.h>
    +#include <linux/moduleparam.h>
    +#include <linux/device.h>
    +#include <linux/firmware.h>
    +#include <asm/byteorder.h>
    +
    +#include "dvb_frontend.h"
    +#include "or51211.h"
    +
    +static int debug;
    +#define dprintk(args...) \
    + do { \
    + if (debug) printk(KERN_DEBUG "or51211: " args); \
    + } while (0)
    +
    +static u8 run_buf[] = {0x7f,0x01};
    +static u8 cmd_buf[] = {0x04,0x01,0x50,0x80,0x06}; // ATSC
    +
    +struct or51211_state {
    +
    + struct i2c_adapter* i2c;
    + struct dvb_frontend_ops ops;
    +
    + /* Configuration settings */
    + const struct or51211_config* config;
    +
    + struct dvb_frontend frontend;
    + struct bt878* bt;
    +
    + /* Demodulator private data */
    + u8 initialized:1;
    +
    + /* Tuner private data */
    + u32 current_frequency;
    +};
    +
    +static int i2c_writebytes (struct or51211_state* state, u8 reg, u8 *buf,
    + int len)
    +{
    + int err;
    + struct i2c_msg msg;
    + msg.addr = reg;
    + msg.flags = 0;
    + msg.len = len;
    + msg.buf = buf;
    +
    + if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
    + printk(KERN_WARNING "or51211: i2c_writebytes error "
    + "(addr %02x, err == %i)\n", reg, err);
    + return -EREMOTEIO;
    + }
    +
    + return 0;
    +}
    +
    +static u8 i2c_readbytes (struct or51211_state* state, u8 reg, u8* buf, int len)
    +{
    + int err;
    + struct i2c_msg msg;
    + msg.addr = reg;
    + msg.flags = I2C_M_RD;
    + msg.len = len;
    + msg.buf = buf;
    +
    + if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
    + printk(KERN_WARNING "or51211: i2c_readbytes error "
    + "(addr %02x, err == %i)\n", reg, err);
    + return -EREMOTEIO;
    + }
    +
    + return 0;
    +}
    +
    +static int or51211_load_firmware (struct dvb_frontend* fe,
    + const struct firmware *fw)
    +{
    + struct or51211_state* state = fe->demodulator_priv;
    + u8 tudata[585];
    + int i;
    +
    + dprintk("Firmware is %d bytes\n",fw->size);
    +
    + /* Get eprom data */
    + tudata[0] = 17;
    + if (i2c_writebytes(state,0x50,tudata,1)) {
    + printk(KERN_WARNING "or51211:load_firmware error eprom addr\n");
    + return -1;
    + }
    + if (i2c_readbytes(state,0x50,&tudata[145],192)) {
    + printk(KERN_WARNING "or51211: load_firmware error eprom\n");
    + return -1;
    + }
    +
    + /* Create firmware buffer */
    + for (i = 0; i < 145; i++)
    + tudata[i] = fw->data[i];
    +
    + for (i = 0; i < 248; i++)
    + tudata[i+337] = fw->data[145+i];
    +
    + state->config->reset(fe);
    +
    + if (i2c_writebytes(state,state->config->demod_address,tudata,585)) {
    + printk(KERN_WARNING "or51211: load_firmware error 1\n");
    + return -1;
    + }
    + msleep(1);
    +
    + if (i2c_writebytes(state,state->config->demod_address,
    + &fw->data[393],8125)) {
    + printk(KERN_WARNING "or51211: load_firmware error 2\n");
    + return -1;
    + }
    + msleep(1);
    +
    + if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) {
    + printk(KERN_WARNING "or51211: load_firmware error 3\n");
    + return -1;
    + }
    +
    + /* Wait at least 5 msec */
    + msleep(10);
    + if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) {
    + printk(KERN_WARNING "or51211: load_firmware error 4\n");
    + return -1;
    + }
    + msleep(10);
    +
    + printk("or51211: Done.\n");
    + return 0;
    +};
    +
    +static int or51211_setmode(struct dvb_frontend* fe, int mode)
    +{
    + struct or51211_state* state = fe->demodulator_priv;
    + u8 rec_buf[14];
    +
    + state->config->setmode(fe, mode);
    +
    + if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) {
    + printk(KERN_WARNING "or51211: setmode error 1\n");
    + return -1;
    + }
    +
    + /* Wait at least 5 msec */
    + msleep(10);
    + if (i2c_writebytes(state,state->config->demod_address,run_buf,2)) {
    + printk(KERN_WARNING "or51211: setmode error 2\n");
    + return -1;
    + }
    +
    + msleep(10);
    +
    + /* Set operation mode in Receiver 1 register;
    + * type 1:
    + * data 0x50h Automatic sets receiver channel conditions
    + * Automatic NTSC rejection filter
    + * Enable MPEG serial data output
    + * MPEG2tr
    + * High tuner phase noise
    + * normal +/-150kHz Carrier acquisition range
    + */
    + if (i2c_writebytes(state,state->config->demod_address,cmd_buf,3)) {
    + printk(KERN_WARNING "or51211: setmode error 3\n");
    + return -1;
    + }
    +
    + rec_buf[0] = 0x04;
    + rec_buf[1] = 0x00;
    + rec_buf[2] = 0x03;
    + rec_buf[3] = 0x00;
    + msleep(20);
    + if (i2c_writebytes(state,state->config->demod_address,rec_buf,3)) {
    + printk(KERN_WARNING "or51211: setmode error 5\n");
    + }
    + msleep(3);
    + if (i2c_readbytes(state,state->config->demod_address,&rec_buf[10],2)) {
    + printk(KERN_WARNING "or51211: setmode error 6");
    + return -1;
    + }
    + dprintk("setmode rec status %02x %02x\n",rec_buf[10],rec_buf[11]);
    +
    + return 0;
    +}
    +
    +static int or51211_set_parameters(struct dvb_frontend* fe,
    + struct dvb_frontend_parameters *param)
    +{
    + struct or51211_state* state = fe->demodulator_priv;
    + u32 freq = 0;
    + u16 tunerfreq = 0;
    + u8 buf[4];
    +
    + /* Change only if we are actually changing the channel */
    + if (state->current_frequency != param->frequency) {
    + freq = 44000 + (param->frequency/1000);
    + tunerfreq = freq * 16/1000;
    +
    + dprintk("set_parameters frequency = %d (tunerfreq = %d)\n",
    + param->frequency,tunerfreq);
    +
    + buf[0] = (tunerfreq >> 8) & 0x7F;
    + buf[1] = (tunerfreq & 0xFF);
    + buf[2] = 0x8E;
    +
    + if (param->frequency < 157250000) {
    + buf[3] = 0xA0;
    + dprintk("set_parameters VHF low range\n");
    + } else if (param->frequency < 454000000) {
    + buf[3] = 0x90;
    + dprintk("set_parameters VHF high range\n");
    + } else {
    + buf[3] = 0x30;
    + dprintk("set_parameters UHF range\n");
    + }
    + dprintk("set_parameters tuner bytes: 0x%02x 0x%02x "
    + "0x%02x 0x%02x\n",buf[0],buf[1],buf[2],buf[3]);
    +
    + if (i2c_writebytes(state,0xC2>>1,buf,4))
    + printk(KERN_WARNING "or51211:set_parameters error "
    + "writing to tuner\n");
    +
    + /* Set to ATSC mode */
    + or51211_setmode(fe,0);
    +
    + /* Update current frequency */
    + state->current_frequency = param->frequency;
    + }
    + return 0;
    +}
    +
    +static int or51211_read_status(struct dvb_frontend* fe, fe_status_t* status)
    +{
    + struct or51211_state* state = fe->demodulator_priv;
    + unsigned char rec_buf[2];
    + unsigned char snd_buf[] = {0x04,0x00,0x03,0x00};
    + *status = 0;
    +
    + /* Receiver Status */
    + if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) {
    + printk(KERN_WARNING "or51132: read_status write error\n");
    + return -1;
    + }
    + msleep(3);
    + if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
    + printk(KERN_WARNING "or51132: read_status read error\n");
    + return -1;
    + }
    + dprintk("read_status %x %x\n",rec_buf[0],rec_buf[1]);
    +
    + if (rec_buf[0] & 0x01) { /* Receiver Lock */
    + *status |= FE_HAS_SIGNAL;
    + *status |= FE_HAS_CARRIER;
    + *status |= FE_HAS_VITERBI;
    + *status |= FE_HAS_SYNC;
    + *status |= FE_HAS_LOCK;
    + }
    + return 0;
    +}
    +
    +/* log10-1 table at .5 increments from 1 to 100.5 */
    +static unsigned int i100x20log10[] = {
    + 0, 352, 602, 795, 954, 1088, 1204, 1306, 1397, 1480,
    + 1556, 1625, 1690, 1750, 1806, 1858, 1908, 1955, 2000, 2042,
    + 2082, 2121, 2158, 2193, 2227, 2260, 2292, 2322, 2352, 2380,
    + 2408, 2434, 2460, 2486, 2510, 2534, 2557, 2580, 2602, 2623,
    + 2644, 2664, 2684, 2704, 2723, 2742, 2760, 2778, 2795, 2813,
    + 2829, 2846, 2862, 2878, 2894, 2909, 2924, 2939, 2954, 2968,
    + 2982, 2996, 3010, 3023, 3037, 3050, 3062, 3075, 3088, 3100,
    + 3112, 3124, 3136, 3148, 3159, 3170, 3182, 3193, 3204, 3214,
    + 3225, 3236, 3246, 3256, 3266, 3276, 3286, 3296, 3306, 3316,
    + 3325, 3334, 3344, 3353, 3362, 3371, 3380, 3389, 3397, 3406,
    + 3415, 3423, 3432, 3440, 3448, 3456, 3464, 3472, 3480, 3488,
    + 3496, 3504, 3511, 3519, 3526, 3534, 3541, 3549, 3556, 3563,
    + 3570, 3577, 3584, 3591, 3598, 3605, 3612, 3619, 3625, 3632,
    + 3639, 3645, 3652, 3658, 3665, 3671, 3677, 3683, 3690, 3696,
    + 3702, 3708, 3714, 3720, 3726, 3732, 3738, 3744, 3750, 3755,
    + 3761, 3767, 3772, 3778, 3784, 3789, 3795, 3800, 3806, 3811,
    + 3816, 3822, 3827, 3832, 3838, 3843, 3848, 3853, 3858, 3863,
    + 3868, 3874, 3879, 3884, 3888, 3893, 3898, 3903, 3908, 3913,
    + 3918, 3922, 3927, 3932, 3936, 3941, 3946, 3950, 3955, 3960,
    + 3964, 3969, 3973, 3978, 3982, 3986, 3991, 3995, 4000, 4004,
    +};
    +
    +static unsigned int denom[] = {1,1,100,1000,10000,100000,1000000,10000000,100000000};
    +
    +static unsigned int i20Log10(unsigned short val)
    +{
    + unsigned int rntval = 100;
    + unsigned int tmp = val;
    + unsigned int exp = 1;
    +
    + while(tmp > 100) {tmp /= 100; exp++;}
    +
    + val = (2 * val)/denom[exp];
    + if (exp > 1) rntval = 2000*exp;
    +
    + rntval += i100x20log10[val];
    + return rntval;
    +}
    +
    +static int or51211_read_signal_strength(struct dvb_frontend* fe, u16* strength)
    +{
    + struct or51211_state* state = fe->demodulator_priv;
    + u8 rec_buf[2];
    + u8 snd_buf[4];
    + u8 snr_equ;
    +
    + /* SNR after Equalizer */
    + snd_buf[0] = 0x04;
    + snd_buf[1] = 0x00;
    + snd_buf[2] = 0x04;
    + snd_buf[3] = 0x00;
    +
    + if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) {
    + printk(KERN_WARNING "or51211: read_status write error\n");
    + return -1;
    + }
    + msleep(3);
    + if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
    + printk(KERN_WARNING "or51211: read_status read error\n");
    + return -1;
    + }
    + snr_equ = rec_buf[0] & 0xff;
    +
    + /* The value reported back from the frontend will be FFFF=100% 0000=0% */
    + *strength = (((5334 - i20Log10(snr_equ))/3+5)*65535)/1000;
    +
    + dprintk("read_signal_strength %i\n",*strength);
    +
    + return 0;
    +}
    +
    +static int or51211_read_snr(struct dvb_frontend* fe, u16* snr)
    +{
    + struct or51211_state* state = fe->demodulator_priv;
    + u8 rec_buf[2];
    + u8 snd_buf[4];
    +
    + /* SNR after Equalizer */
    + snd_buf[0] = 0x04;
    + snd_buf[1] = 0x00;
    + snd_buf[2] = 0x04;
    + snd_buf[3] = 0x00;
    +
    + if (i2c_writebytes(state,state->config->demod_address,snd_buf,3)) {
    + printk(KERN_WARNING "or51211: read_status write error\n");
    + return -1;
    + }
    + msleep(3);
    + if (i2c_readbytes(state,state->config->demod_address,rec_buf,2)) {
    + printk(KERN_WARNING "or51211: read_status read error\n");
    + return -1;
    + }
    + *snr = rec_buf[0] & 0xff;
    +
    + dprintk("read_snr %i\n",*snr);
    +
    + return 0;
    +}
    +
    +static int or51211_read_ber(struct dvb_frontend* fe, u32* ber)
    +{
    + *ber = -ENOSYS;
    + return 0;
    +}
    +
    +static int or51211_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
    +{
    + *ucblocks = -ENOSYS;
    + return 0;
    +}
    +
    +static int or51211_sleep(struct dvb_frontend* fe)
    +{
    + return 0;
    +}
    +
    +static int or51211_init(struct dvb_frontend* fe)
    +{
    + struct or51211_state* state = fe->demodulator_priv;
    + const struct or51211_config* config = state->config;
    + const struct firmware* fw;
    + unsigned char get_ver_buf[] = {0x04,0x00,0x30,0x00,0x00};
    + unsigned char rec_buf[14];
    + int ret,i;
    +
    + if (!state->initialized) {
    + /* Request the firmware, this will block until it uploads */
    + printk(KERN_INFO "or51211: Waiting for firmware upload "
    + "(%s)...\n", OR51211_DEFAULT_FIRMWARE);
    + ret = config->request_firmware(fe, &fw,
    + OR51211_DEFAULT_FIRMWARE);
    + printk(KERN_INFO "or51211:Got Hotplug firmware\n");
    + if (ret) {
    + printk(KERN_WARNING "or51211: No firmware uploaded "
    + "(timeout or file not found?)\n");
    + return ret;
    + }
    +
    + ret = or51211_load_firmware(fe, fw);
    + if (ret) {
    + printk(KERN_WARNING "or51211: Writing firmware to "
    + "device failed!\n");
    + release_firmware(fw);
    + return ret;
    + }
    + printk(KERN_INFO "or51211: Firmware upload complete.\n");
    +
    + /* Set operation mode in Receiver 1 register;
    + * type 1:
    + * data 0x50h Automatic sets receiver channel conditions
    + * Automatic NTSC rejection filter
    + * Enable MPEG serial data output
    + * MPEG2tr
    + * High tuner phase noise
    + * normal +/-150kHz Carrier acquisition range
    + */
    + if (i2c_writebytes(state,state->config->demod_address,
    + cmd_buf,3)) {
    + printk(KERN_WARNING "or51211: Load DVR Error 5\n");
    + return -1;
    + }
    +
    + /* Read back ucode version to besure we loaded correctly */
    + /* and are really up and running */
    + rec_buf[0] = 0x04;
    + rec_buf[1] = 0x00;
    + rec_buf[2] = 0x03;
    + rec_buf[3] = 0x00;
    + msleep(30);
    + if (i2c_writebytes(state,state->config->demod_address,
    + rec_buf,3)) {
    + printk(KERN_WARNING "or51211: Load DVR Error A\n");
    + return -1;
    + }
    + msleep(3);
    + if (i2c_readbytes(state,state->config->demod_address,
    + &rec_buf[10],2)) {
    + printk(KERN_WARNING "or51211: Load DVR Error B\n");
    + return -1;
    + }
    +
    + rec_buf[0] = 0x04;
    + rec_buf[1] = 0x00;
    + rec_buf[2] = 0x01;
    + rec_buf[3] = 0x00;
    + msleep(20);
    + if (i2c_writebytes(state,state->config->demod_address,
    + rec_buf,3)) {
    + printk(KERN_WARNING "or51211: Load DVR Error C\n");
    + return -1;
    + }
    + msleep(3);
    + if (i2c_readbytes(state,state->config->demod_address,
    + &rec_buf[12],2)) {
    + printk(KERN_WARNING "or51211: Load DVR Error D\n");
    + return -1;
    + }
    +
    + for (i = 0; i < 8; i++)
    + rec_buf[i]=0xed;
    +
    + for (i = 0; i < 5; i++) {
    + msleep(30);
    + get_ver_buf[4] = i+1;
    + if (i2c_writebytes(state,state->config->demod_address,
    + get_ver_buf,5)) {
    + printk(KERN_WARNING "or51211:Load DVR Error 6"
    + " - %d\n",i);
    + return -1;
    + }
    + msleep(3);
    +
    + if (i2c_readbytes(state,state->config->demod_address,
    + &rec_buf[i*2],2)) {
    + printk(KERN_WARNING "or51211:Load DVR Error 7"
    + " - %d\n",i);
    + return -1;
    + }
    + /* If we didn't receive the right index, try again */
    + if ((int)rec_buf[i*2+1]!=i+1){
    + i--;
    + }
    + }
    + dprintk("read_fwbits %x %x %x %x %x %x %x %x %x %x\n",
    + rec_buf[0], rec_buf[1], rec_buf[2], rec_buf[3],
    + rec_buf[4], rec_buf[5], rec_buf[6], rec_buf[7],
    + rec_buf[8], rec_buf[9]);
    +
    + printk(KERN_INFO "or51211: ver TU%02x%02x%02x VSB mode %02x"
    + " Status %02x\n",
    + rec_buf[2], rec_buf[4],rec_buf[6],
    + rec_buf[12],rec_buf[10]);
    +
    + rec_buf[0] = 0x04;
    + rec_buf[1] = 0x00;
    + rec_buf[2] = 0x03;
    + rec_buf[3] = 0x00;
    + msleep(20);
    + if (i2c_writebytes(state,state->config->demod_address,
    + rec_buf,3)) {
    + printk(KERN_WARNING "or51211: Load DVR Error 8\n");
    + return -1;
    + }
    + msleep(20);
    + if (i2c_readbytes(state,state->config->demod_address,
    + &rec_buf[8],2)) {
    + printk(KERN_WARNING "or51211: Load DVR Error 9\n");
    + return -1;
    + }
    + state->initialized = 1;
    + }
    +
    + return 0;
    +}
    +
    +static int or51211_get_tune_settings(struct dvb_frontend* fe,
    + struct dvb_frontend_tune_settings* fesettings)
    +{
    + fesettings->min_delay_ms = 500;
    + fesettings->step_size = 0;
    + fesettings->max_drift = 0;
    + return 0;
    +}
    +
    +static void or51211_release(struct dvb_frontend* fe)
    +{
    + struct or51211_state* state = fe->demodulator_priv;
    + state->config->sleep(fe);
    + kfree(state);
    +}
    +
    +static struct dvb_frontend_ops or51211_ops;
    +
    +struct dvb_frontend* or51211_attach(const struct or51211_config* config,
    + struct i2c_adapter* i2c)
    +{
    + struct or51211_state* state = NULL;
    +
    + /* Allocate memory for the internal state */
    + state = kmalloc(sizeof(struct or51211_state), GFP_KERNEL);
    + if (state == NULL)
    + goto error;
    +
    + /* Setup the state */
    + state->config = config;
    + state->i2c = i2c;
    + memcpy(&state->ops, &or51211_ops, sizeof(struct dvb_frontend_ops));
    + state->initialized = 0;
    + state->current_frequency = 0;
    +
    + /* Create dvb_frontend */
    + state->frontend.ops = &state->ops;
    + state->frontend.demodulator_priv = state;
    + return &state->frontend;
    +
    +error:
    + if (state) kfree(state);
    + return NULL;
    +}
    +
    +static struct dvb_frontend_ops or51211_ops = {
    +
    + .info = {
    + .name = "Oren OR51211 VSB Frontend",
    + .type = FE_ATSC,
    + .frequency_min = 44000000,
    + .frequency_max = 958000000,
    + .frequency_stepsize = 166666,
    + .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
    + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
    + FE_CAN_8VSB
    + },
    +
    + .release = or51211_release,
    +
    + .init = or51211_init,
    + .sleep = or51211_sleep,
    +
    + .set_frontend = or51211_set_parameters,
    + .get_tune_settings = or51211_get_tune_settings,
    +
    + .read_status = or51211_read_status,
    + .read_ber = or51211_read_ber,
    + .read_signal_strength = or51211_read_signal_strength,
    + .read_snr = or51211_read_snr,
    + .read_ucblocks = or51211_read_ucblocks,
    +};
    +
    +module_param(debug, int, 0644);
    +MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
    +
    +MODULE_DESCRIPTION("Oren OR51211 VSB [pcHDTV HD-2000] Demodulator Driver");
    +MODULE_AUTHOR("Kirk Lapray");
    +MODULE_LICENSE("GPL");
    +
    +EXPORT_SYMBOL(or51211_attach);
    +
    Index: linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/or51211.h
    ===================================================================
    --- /dev/null 1970-01-01 00:00:00.000000000 +0000
    +++ linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/or51211.h 2005-03-22 00:18:23.000000000 +0100
    @@ -0,0 +1,44 @@
    +/*
    + * Support for OR51211 (pcHDTV HD-2000) - VSB
    + *
    + * Copyright (C) 2005 Kirk Lapray <kirk_lapray@bigfoot.com>
    + *
    + * This program is free software; you can redistribute it and/or modify
    + * it under the terms of the GNU General Public License as published by
    + * the Free Software Foundation; either version 2 of the License, or
    + * (at your option) any later version.
    + *
    + * This program is distributed in the hope that it will be useful,
    + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    + * GNU General Public License for more details.
    + *
    + * You should have received a copy of the GNU General Public License
    + * along with this program; if not, write to the Free Software
    + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    + *
    +*/
    +
    +#ifndef OR51211_H
    +#define OR51211_H
    +
    +#include <linux/dvb/frontend.h>
    +#include <linux/firmware.h>
    +
    +struct or51211_config
    +{
    + /* The demodulator's i2c address */
    + u8 demod_address;
    +
    + /* Request firmware for device */
    + int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
    + void (*setmode)(struct dvb_frontend * fe, int mode);
    + void (*reset)(struct dvb_frontend * fe);
    + void (*sleep)(struct dvb_frontend * fe);
    +};
    +
    +extern struct dvb_frontend* or51211_attach(const struct or51211_config* config,
    + struct i2c_adapter* i2c);
    +
    +#endif // OR51211_H
    +
    Index: linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/or51132.c
    ===================================================================
    --- linux-2.6.12-rc1-mm1.orig/drivers/media/dvb/frontends/or51132.c 2005-03-21 23:27:57.000000000 +0100
    +++ linux-2.6.12-rc1-mm1/drivers/media/dvb/frontends/or51132.c 2005-03-22 00:18:23.000000000 +0100
    @@ -422,7 +422,7 @@ static int or51132_read_status(struct dv
    }

    /* log10-1 table at .5 increments from 1 to 100.5 */
    -unsigned int i100x20log10[] = {
    +static unsigned int i100x20log10[] = {
    0, 352, 602, 795, 954, 1088, 1204, 1306, 1397, 1480,
    1556, 1625, 1690, 1750, 1806, 1858, 1908, 1955, 2000, 2042,
    2082, 2121, 2158, 2193, 2227, 2260, 2292, 2322, 2352, 2380,
    @@ -445,9 +445,9 @@ unsigned int i100x20log10[] = {
    3964, 3969, 3973, 3978, 3982, 3986, 3991, 3995, 4000, 4004,
    };

    -unsigned int denom[] = {1,1,100,1000,10000,100000,1000000,10000000,100000000};
    +static unsigned int denom[] = {1,1,100,1000,10000,100000,1000000,10000000,100000000};

    -unsigned int i20Log10(unsigned short val)
    +static unsigned int i20Log10(unsigned short val)
    {
    unsigned int rntval = 100;
    unsigned int tmp = val;
    --

    -
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