[PATCH] dvb: add nxt200x frontend module
Changes
6 files changed · +1289 −2
| File | Status | Add | Del | Content |
|---|---|---|---|---|
| Documentation/dvb/get_dvb_firmware | modified | +18 | −1 | View file |
| drivers/media/dvb/frontends/Kconfig | modified | +8 | −0 | View file |
| drivers/media/dvb/frontends/Makefile | modified | +1 | −0 | View file |
| drivers/media/dvb/frontends/dvb-pll.c | modified | +1 | −1 | View file |
| drivers/media/dvb/frontends/nxt200x.c | added | +1203 | −0 | View file |
| drivers/media/dvb/frontends/nxt200x.h | added | +58 | −0 | View file |
Only the first 600 diff lines are shown. Download the complete patch.
Documentation/dvb/get_dvb_firmware
View filediff --git a/Documentation/dvb/get_dvb_firmware b/Documentation/dvb/get_dvb_firmware
index a750f01..be6eb4c 100644
--- a/Documentation/dvb/get_dvb_firmware
+++ b/Documentation/dvb/get_dvb_firmware
@@ -22,7 +22,7 @@ use File::Temp qw/ tempdir /;
use IO::Handle;
@components = ( "sp8870", "sp887x", "tda10045", "tda10046", "av7110", "dec2000t",
- "dec2540t", "dec3000s", "vp7041", "dibusb", "nxt2002",
+ "dec2540t", "dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004",
"or51211", "or51132_qam", "or51132_vsb");
# Check args
@@ -252,6 +252,23 @@ sub nxt2002 {
$outfile;
}
+sub nxt2004 {
+ my $sourcefile = "AVerTVHD_MCE_A180_Drv_v1.2.2.16.zip";
+ my $url = "http://www.aver.com/support/Drivers/$sourcefile";
+ my $hash = "111cb885b1e009188346d72acfed024c";
+ my $outfile = "dvb-fe-nxt2004.fw";
+ my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
+
+ checkstandard();
+
+ wgetfile($sourcefile, $url);
+ unzip($sourcefile, $tmpdir);
+ verify("$tmpdir/3xHybrid.sys", $hash);
+ extract("$tmpdir/3xHybrid.sys", 465304, 9584, $outfile);
+
+ $outfile;
+}
+
sub or51211 {
my $fwfile = "dvb-fe-or51211.fw";
my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
drivers/media/dvb/frontends/Kconfig
View filediff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig
index a50a41f..8e269e1 100644
--- a/drivers/media/dvb/frontends/Kconfig
+++ b/drivers/media/dvb/frontends/Kconfig
@@ -164,6 +164,14 @@ config DVB_NXT2002
help
An ATSC 8VSB tuner module. Say Y when you want to support this frontend.
+config DVB_NXT200X
+ tristate "Nextwave NXT2002/NXT2004 based"
+ depends on DVB_CORE
+ select FW_LOADER
+ help
+ An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
+ to support this frontend.
+
config DVB_OR51211
tristate "or51211 based (pcHDTV HD2000 card)"
depends on DVB_CORE
drivers/media/dvb/frontends/Makefile
View filediff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile
index ad8658f..1692ee6 100644
--- a/drivers/media/dvb/frontends/Makefile
+++ b/drivers/media/dvb/frontends/Makefile
@@ -26,6 +26,7 @@ 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-$(CONFIG_DVB_NXT2002) += nxt200x.o
obj-$(CONFIG_DVB_OR51211) += or51211.o
obj-$(CONFIG_DVB_OR51132) += or51132.o
obj-$(CONFIG_DVB_BCM3510) += bcm3510.o
drivers/media/dvb/frontends/dvb-pll.c
View filediff --git a/drivers/media/dvb/frontends/dvb-pll.c b/drivers/media/dvb/frontends/dvb-pll.c
index 6ba7433..f857b86 100644
--- a/drivers/media/dvb/frontends/dvb-pll.c
+++ b/drivers/media/dvb/frontends/dvb-pll.c
@@ -314,7 +314,7 @@ EXPORT_SYMBOL(dvb_pll_tdhu2);
*/
struct dvb_pll_desc dvb_pll_tuv1236d = {
.name = "Philips TUV1236D",
- .min = 57000000,
+ .min = 54000000,
.max = 864000000,
.count = 3,
.entries = {
drivers/media/dvb/frontends/nxt200x.c
View filediff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c
new file mode 100644
index 0000000..1d729be
--- /dev/null
+++ b/drivers/media/dvb/frontends/nxt200x.c
@@ -0,0 +1,1203 @@
+/*
+ * Support for NXT2002 and NXT2004 - VSB/QAM
+ *
+ * Copyright (C) 2005 Kirk Lapray ([email protected])
+ * based on nxt2002 by Taylor Jacob <[email protected]>
+ * and nxt2004 by Jean-Francois Thibert ([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.
+ *
+*/
+
+/*
+ * NOTES ABOUT THIS DRIVER
+ *
+ * This Linux driver supports:
+ * B2C2/BBTI Technisat Air2PC - ATSC (NXT2002)
+ * AverTVHD MCE A180 (NXT2004)
+ * ATI HDTV Wonder (NXT2004)
+ *
+ * This driver needs external firmware. Please use the command
+ * "<kerneldir>/Documentation/dvb/get_dvb_firmware nxt2002" or
+ * "<kerneldir>/Documentation/dvb/get_dvb_firmware nxt2004" to
+ * download/extract the appropriate firmware, and then copy it to
+ * /usr/lib/hotplug/firmware/ or /lib/firmware/
+ * (depending on configuration of firmware hotplug).
+ */
+#define NXT2002_DEFAULT_FIRMWARE "dvb-fe-nxt2002.fw"
+#define NXT2004_DEFAULT_FIRMWARE "dvb-fe-nxt2004.fw"
+#define CRC_CCIT_MASK 0x1021
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+
+#include "dvb_frontend.h"
+#include "dvb-pll.h"
+#include "nxt200x.h"
+
+struct nxt200x_state {
+
+ struct i2c_adapter* i2c;
+ struct dvb_frontend_ops ops;
+ const struct nxt200x_config* config;
+ struct dvb_frontend frontend;
+
+ /* demodulator private data */
+ nxt_chip_type demod_chip;
+ u8 initialised:1;
+};
+
+static int debug;
+#define dprintk(args...) \
+ do { \
+ if (debug) printk(KERN_DEBUG "nxt200x: " args); \
+ } while (0)
+
+static int i2c_writebytes (struct nxt200x_state* state, u8 addr, u8 *buf, u8 len)
+{
+ int err;
+ struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = buf, .len = len };
+
+ if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
+ printk (KERN_WARNING "nxt200x: %s: i2c write error (addr 0x%02x, err == %i)\n",
+ __FUNCTION__, addr, err);
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+static u8 i2c_readbytes (struct nxt200x_state* state, u8 addr, u8* buf, u8 len)
+{
+ int err;
+ struct i2c_msg msg = { .addr = addr, .flags = I2C_M_RD, .buf = buf, .len = len };
+
+ if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
+ printk (KERN_WARNING "nxt200x: %s: i2c read error (addr 0x%02x, err == %i)\n",
+ __FUNCTION__, addr, err);
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+static int nxt200x_writebytes (struct nxt200x_state* state, u8 reg, u8 *buf, u8 len)
+{
+ u8 buf2 [len+1];
+ int err;
+ struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf2, .len = len + 1 };
+
+ buf2[0] = reg;
+ memcpy(&buf2[1], buf, len);
+
+ if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) {
+ printk (KERN_WARNING "nxt200x: %s: i2c write error (addr 0x%02x, err == %i)\n",
+ __FUNCTION__, state->config->demod_address, err);
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+static u8 nxt200x_readbytes (struct nxt200x_state* state, u8 reg, u8* buf, u8 len)
+{
+ u8 reg2 [] = { reg };
+
+ struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = reg2, .len = 1 },
+ { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = buf, .len = len } };
+
+ int err;
+
+ if ((err = i2c_transfer (state->i2c, msg, 2)) != 2) {
+ printk (KERN_WARNING "nxt200x: %s: i2c read error (addr 0x%02x, err == %i)\n",
+ __FUNCTION__, state->config->demod_address, err);
+ return -EREMOTEIO;
+ }
+ return 0;
+}
+
+static u16 nxt200x_crc(u16 crc, u8 c)
+{
+ u8 i;
+ u16 input = (u16) c & 0xFF;
+
+ input<<=8;
+ for(i=0; i<8; i++) {
+ if((crc^input) & 0x8000)
+ crc=(crc<<1)^CRC_CCIT_MASK;
+ else
+ crc<<=1;
+ input<<=1;
+ }
+ return crc;
+}
+
+static int nxt200x_writereg_multibyte (struct nxt200x_state* state, u8 reg, u8* data, u8 len)
+{
+ u8 attr, len2, buf;
+ dprintk("%s\n", __FUNCTION__);
+
+ /* set mutli register register */
+ nxt200x_writebytes(state, 0x35, ®, 1);
+
+ /* send the actual data */
+ nxt200x_writebytes(state, 0x36, data, len);
+
+ switch (state->demod_chip) {
+ case NXT2002:
+ len2 = len;
+ buf = 0x02;
+ break;
+ case NXT2004:
+ /* probably not right, but gives correct values */
+ attr = 0x02;
+ if (reg & 0x80) {
+ attr = attr << 1;
+ if (reg & 0x04)
+ attr = attr >> 1;
+ }
+ /* set write bit */
+ len2 = ((attr << 4) | 0x10) | len;
+ buf = 0x80;
+ break;
+ default:
+ return -EINVAL;
+ break;
+ }
+
+ /* set multi register length */
+ nxt200x_writebytes(state, 0x34, &len2, 1);
+
+ /* toggle the multireg write bit */
+ nxt200x_writebytes(state, 0x21, &buf, 1);
+
+ nxt200x_readbytes(state, 0x21, &buf, 1);
+
+ switch (state->demod_chip) {
+ case NXT2002:
+ if ((buf & 0x02) == 0)
+ return 0;
+ break;
+ case NXT2004:
+ if (buf == 0)
+ return 0;
+ break;
+ default:
+ return -EINVAL;
+ break;
+ }
+
+ printk(KERN_WARNING "nxt200x: Error writing multireg register 0x%02X\n",reg);
+
+ return 0;
+}
+
+static int nxt200x_readreg_multibyte (struct nxt200x_state* state, u8 reg, u8* data, u8 len)
+{
+ int i;
+ u8 buf, len2, attr;
+ dprintk("%s\n", __FUNCTION__);
+
+ /* set mutli register register */
+ nxt200x_writebytes(state, 0x35, ®, 1);
+
+ switch (state->demod_chip) {
+ case NXT2002:
+ /* set multi register length */
+ len2 = len & 0x80;
+ nxt200x_writebytes(state, 0x34, &len2, 1);
+
+ /* read the actual data */
+ nxt200x_readbytes(state, reg, data, len);
+ return 0;
+ break;
+ case NXT2004:
+ /* probably not right, but gives correct values */
+ attr = 0x02;
+ if (reg & 0x80) {
+ attr = attr << 1;
+ if (reg & 0x04)
+ attr = attr >> 1;
+ }
+
+ /* set multi register length */
+ len2 = (attr << 4) | len;
+ nxt200x_writebytes(state, 0x34, &len2, 1);
+
+ /* toggle the multireg bit*/
+ buf = 0x80;
+ nxt200x_writebytes(state, 0x21, &buf, 1);
+
+ /* read status */
+ nxt200x_readbytes(state, 0x21, &buf, 1);
+
+ if (buf == 0)
+ {
+ /* read the actual data */
+ for(i = 0; i < len; i++) {
+ nxt200x_readbytes(state, 0x36 + i, &data[i], 1);
+ }
+ return 0;
+ }
+ break;
+ default:
+ return -EINVAL;
+ break;
+ }
+
+ printk(KERN_WARNING "nxt200x: Error reading multireg register 0x%02X\n",reg);
+
+ return 0;
+}
+
+static void nxt200x_microcontroller_stop (struct nxt200x_state* state)
+{
+ u8 buf, stopval, counter = 0;
+ dprintk("%s\n", __FUNCTION__);
+
+ /* set correct stop value */
+ switch (state->demod_chip) {
+ case NXT2002:
+ stopval = 0x40;
+ break;
+ case NXT2004:
+ stopval = 0x10;
+ break;
+ default:
+ stopval = 0;
+ break;
+ }
+
+ buf = 0x80;
+ nxt200x_writebytes(state, 0x22, &buf, 1);
+
+ while (counter < 20) {
+ nxt200x_readbytes(state, 0x31, &buf, 1);
+ if (buf & stopval)
+ return;
+ msleep(10);
+ counter++;
+ }
+
+ printk(KERN_WARNING "nxt200x: Timeout waiting for nxt200x to stop. This is ok after firmware upload.\n");
+ return;
+}
+
+static void nxt200x_microcontroller_start (struct nxt200x_state* state)
+{
+ u8 buf;
+ dprintk("%s\n", __FUNCTION__);
+
+ buf = 0x00;
+ nxt200x_writebytes(state, 0x22, &buf, 1);
+}
+
+static void nxt2004_microcontroller_init (struct nxt200x_state* state)
+{
+ u8 buf[9];
+ u8 counter = 0;
+ dprintk("%s\n", __FUNCTION__);
+
+ buf[0] = 0x00;
+ nxt200x_writebytes(state, 0x2b, buf, 1);
+ buf[0] = 0x70;
+ nxt200x_writebytes(state, 0x34, buf, 1);
+ buf[0] = 0x04;
+ nxt200x_writebytes(state, 0x35, buf, 1);
+ buf[0] = 0x01; buf[1] = 0x23; buf[2] = 0x45; buf[3] = 0x67; buf[4] = 0x89;
+ buf[5] = 0xAB; buf[6] = 0xCD; buf[7] = 0xEF; buf[8] = 0xC0;
+ nxt200x_writebytes(state, 0x36, buf, 9);
+ buf[0] = 0x80;
+ nxt200x_writebytes(state, 0x21, buf, 1);
+
+ while (counter < 20) {
+ nxt200x_readbytes(state, 0x21, buf, 1);
+ if (buf[0] == 0)
+ return;
+ msleep(10);
+ counter++;
+ }
+
+ printk(KERN_WARNING "nxt200x: Timeout waiting for nxt2004 to init.\n");
+
+ return;
+}
+
+static int nxt200x_writetuner (struct nxt200x_state* state, u8* data)
+{
+ u8 buf, count = 0;
+
+ dprintk("%s\n", __FUNCTION__);
+
+ dprintk("Tuner Bytes: %02X %02X %02X %02X\n", data[0], data[1], data[2], data[3]);
+
+ /* if pll is a Philips TUV1236D then write directly to tuner */
+ if (strcmp(state->config->pll_desc->name, "Philips TUV1236D") == 0) {
+ if (i2c_writebytes(state, state->config->pll_address, data, 4))
+ printk(KERN_WARNING "nxt200x: error writing to tuner\n");
+ /* wait until we have a lock */
+ while (count < 20) {
+ i2c_readbytes(state, state->config->pll_address, &buf, 1);
+ if (buf & 0x40)
+ return 0;
+ msleep(100);
+ count++;
+ }
+ printk("nxt200x: timeout waiting for tuner lock\n");
+ return 0;
+ } else {
+ /* set the i2c transfer speed to the tuner */
+ buf = 0x03;
+ nxt200x_writebytes(state, 0x20, &buf, 1);
+
+ /* setup to transfer 4 bytes via i2c */
+ buf = 0x04;
+ nxt200x_writebytes(state, 0x34, &buf, 1);
+
+ /* write actual tuner bytes */
+ nxt200x_writebytes(state, 0x36, data, 4);
+
+ /* set tuner i2c address */
+ buf = state->config->pll_address;
+ nxt200x_writebytes(state, 0x35, &buf, 1);
+
+ /* write UC Opmode to begin transfer */
+ buf = 0x80;
+ nxt200x_writebytes(state, 0x21, &buf, 1);
+
+ while (count < 20) {
+ nxt200x_readbytes(state, 0x21, &buf, 1);
+ if ((buf & 0x80)== 0x00)
+ return 0;
+ msleep(100);
+ count++;
+ }
+ printk("nxt200x: timeout error writing tuner\n");
+ return 0;
+ }
+}
+
+static void nxt200x_agc_reset(struct nxt200x_state* state)
+{
+ u8 buf;
+ dprintk("%s\n", __FUNCTION__);
+
+ switch (state->demod_chip) {
+ case NXT2002:
+ buf = 0x08;
+ nxt200x_writebytes(state, 0x08, &buf, 1);
+ buf = 0x00;
+ nxt200x_writebytes(state, 0x08, &buf, 1);
+ break;
+ case NXT2004:
+ nxt200x_readreg_multibyte(state, 0x08, &buf, 1);
+ buf = 0x08;
+ nxt200x_writereg_multibyte(state, 0x08, &buf, 1);
+ buf = 0x00;
+ nxt200x_writereg_multibyte(state, 0x08, &buf, 1);
+ break;
+ default:
+ break;
+ }
+ return;
+}
+
+static int nxt2002_load_firmware (struct dvb_frontend* fe, const struct firmware *fw)
+{
+
+ struct nxt200x_state* state = fe->demodulator_priv;
+ u8 buf[3], written = 0, chunkpos = 0;
+ u16 rambase, position, crc = 0;
+
+ dprintk("%s\n", __FUNCTION__);
+ dprintk("Firmware is %zu bytes\n", fw->size);
+
+ /* Get the RAM base for this nxt2002 */
+ nxt200x_readbytes(state, 0x10, buf, 1);
+
+ if (buf[0] & 0x10)
+ rambase = 0x1000;
+ else
+ rambase = 0x0000;
+
+ dprintk("rambase on this nxt2002 is %04X\n", rambase);
+
+ /* Hold the micro in reset while loading firmware */
+ buf[0] = 0x80;
+ nxt200x_writebytes(state, 0x2B, buf, 1);
+
+ for (position = 0; position < fw->size; position++) {
+ if (written == 0) {
+ crc = 0;
+ chunkpos = 0x28;
+ buf[0] = ((rambase + position) >> 8);
+ buf[1] = (rambase + position) & 0xFF;
+ buf[2] = 0x81;
+ /* write starting address */
+ nxt200x_writebytes(state, 0x29, buf, 3);
+ }
+ written++;
+ chunkpos++;
+
+ if ((written % 4) == 0)
+ nxt200x_writebytes(state, chunkpos, &fw->data[position-3], 4);
+
+ crc = nxt200x_crc(crc, fw->data[position]);
+
+ if ((written == 255) || (position+1 == fw->size)) {
+ /* write remaining bytes of firmware */
+ nxt200x_writebytes(state, chunkpos+4-(written %4),
+ &fw->data[position-(written %4) + 1],
+ written %4);
+ buf[0] = crc << 8;
+ buf[1] = crc & 0xFF;
+
+ /* write crc */
+ nxt200x_writebytes(state, 0x2C, buf, 2);
+
+ /* do a read to stop things */
+ nxt200x_readbytes(state, 0x2A, buf, 1);
+
+ /* set transfer mode to complete */
+ buf[0] = 0x80;
+ nxt200x_writebytes(state, 0x2B, buf, 1);
+
+ written = 0;
+ }
+ }
+
+ return 0;
+};
+
+static int nxt2004_load_firmware (struct dvb_frontend* fe, const struct firmware *fw)
+{
+
+ struct nxt200x_state* state = fe->demodulator_priv;
+ u8 buf[3];
+ u16 rambase, position, crc=0;
+
+ dprintk("%s\n", __FUNCTION__);
+ dprintk("Firmware is %zu bytes\n", fw->size);
+
+ /* set rambase */
+ rambase = 0x1000;
+
+ /* hold the micro in reset while loading firmware */
+ buf[0] = 0x80;
+ nxt200x_writebytes(state, 0x2B, buf,1);
+
+ /* calculate firmware CRC */
+ for (position = 0; position < fw->size; position++) {
+ crc = nxt200x_crc(crc, fw->data[position]);
+ }
+
+ buf[0] = rambase >> 8;
+ buf[1] = rambase & 0xFF;
+ buf[2] = 0x81;
+ /* write starting address */
+ nxt200x_writebytes(state,0x29,buf,3);
+
+ for (position = 0; position < fw->size;) {
+ nxt200x_writebytes(state, 0x2C, &fw->data[position],
+ fw->size-position > 255 ? 255 : fw->size-position);
This diff is incomplete. Download the complete patch.
drivers/media/dvb/frontends/nxt200x.h
View fileThis diff is incomplete. Download the complete patch.