ChangeSet 1.2231.1.221, 2005/03/28 20:17:47-08:00, [EMAIL PROTECTED]

        [PATCH] dvb: 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 <[EMAIL PROTECTED]>
        Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
        Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>



 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(-)


diff -Nru a/drivers/media/dvb/bt8xx/Kconfig b/drivers/media/dvb/bt8xx/Kconfig
--- a/drivers/media/dvb/bt8xx/Kconfig   2005-03-28 21:57:18 -08:00
+++ b/drivers/media/dvb/bt8xx/Kconfig   2005-03-28 21:57:18 -08:00
@@ -5,9 +5,11 @@
        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
diff -Nru a/drivers/media/dvb/bt8xx/dvb-bt8xx.c 
b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c       2005-03-28 21:57:18 -08:00
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c       2005-03-28 21:57:18 -08:00
@@ -133,7 +133,7 @@
        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 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 @@
                        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) {
@@ -635,6 +699,12 @@
                 * DA_APP = async data parallel port,
                 * ACAP_EN = 1,
                 * RISC+FIFO ENABLE */
+               break;
+
+       case BTTV_PC_HDTV:
+               card->gpio_mode = 0x0100EC7B;
+               card->op_sync_orin = 0;
+               card->irq_err_ignore = 0;
                break;
 
        default:
diff -Nru a/drivers/media/dvb/bt8xx/dvb-bt8xx.h 
b/drivers/media/dvb/bt8xx/dvb-bt8xx.h
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.h       2005-03-28 21:57:18 -08:00
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.h       2005-03-28 21:57:18 -08:00
@@ -34,6 +34,7 @@
 #include "dst.h"
 #include "nxt6000.h"
 #include "cx24110.h"
+#include "or51211.h"
 
 struct dvb_bt8xx_card {
        struct semaphore lock;
diff -Nru a/drivers/media/dvb/frontends/Kconfig 
b/drivers/media/dvb/frontends/Kconfig
--- a/drivers/media/dvb/frontends/Kconfig       2005-03-28 21:57:18 -08:00
+++ b/drivers/media/dvb/frontends/Kconfig       2005-03-28 21:57:18 -08:00
@@ -162,4 +162,11 @@
        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
diff -Nru a/drivers/media/dvb/frontends/Makefile 
b/drivers/media/dvb/frontends/Makefile
--- a/drivers/media/dvb/frontends/Makefile      2005-03-28 21:57:18 -08:00
+++ b/drivers/media/dvb/frontends/Makefile      2005-03-28 21:57:18 -08:00
@@ -26,4 +26,5 @@
 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
diff -Nru a/drivers/media/dvb/frontends/or51132.c 
b/drivers/media/dvb/frontends/or51132.c
--- a/drivers/media/dvb/frontends/or51132.c     2005-03-28 21:57:18 -08:00
+++ b/drivers/media/dvb/frontends/or51132.c     2005-03-28 21:57:18 -08:00
@@ -422,7 +422,7 @@
 }
 
 /* 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 @@
   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;
diff -Nru a/drivers/media/dvb/frontends/or51211.c 
b/drivers/media/dvb/frontends/or51211.c
--- /dev/null   Wed Dec 31 16:00:00 196900
+++ b/drivers/media/dvb/frontends/or51211.c     2005-03-28 21:57:19 -08:00
@@ -0,0 +1,631 @@
+/*
+ *    Support for OR51211 (pcHDTV HD-2000) - VSB
+ *
+ *    Copyright (C) 2005 Kirk Lapray <[EMAIL PROTECTED]>
+ *
+ *    Based on code from Jack Kelliher ([EMAIL PROTECTED])
+ *                           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);
+
diff -Nru a/drivers/media/dvb/frontends/or51211.h 
b/drivers/media/dvb/frontends/or51211.h
--- /dev/null   Wed Dec 31 16:00:00 196900
+++ b/drivers/media/dvb/frontends/or51211.h     2005-03-28 21:57:19 -08:00
@@ -0,0 +1,44 @@
+/*
+ *    Support for OR51211 (pcHDTV HD-2000) - VSB
+ *
+ *    Copyright (C) 2005 Kirk Lapray <[EMAIL PROTECTED]>
+ *
+ *    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
+
-
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