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Diffstat (limited to 'linux/drivers/media/dvb/ttpci/av7110_v4l.c')
-rw-r--r--linux/drivers/media/dvb/ttpci/av7110_v4l.c725
1 files changed, 725 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/ttpci/av7110_v4l.c b/linux/drivers/media/dvb/ttpci/av7110_v4l.c
new file mode 100644
index 000000000..3476028b4
--- /dev/null
+++ b/linux/drivers/media/dvb/ttpci/av7110_v4l.c
@@ -0,0 +1,725 @@
+/*
+ * av7110_v4l.c: av7110 video4linux interface for DVB and Siemens DVB-C analog module
+ *
+ * Copyright (C) 1999-2002 Ralph Metzler
+ * & Marcus Metzler for convergence integrated media GmbH
+ *
+ * originally based on code by:
+ * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ *
+ * the project's page is at http://www.linuxtv.org/dvb/
+ */
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/timer.h>
+#include <linux/poll.h>
+#include <linux/byteorder/swabb.h>
+#include <linux/smp_lock.h>
+
+#define DEBUG_VARIABLE av7110_debug
+extern int av7110_debug;
+
+#include "dvb_i2c.h"
+#include "dvb_functions.h"
+#include "av7110.h"
+#include "av7110_hw.h"
+#include "av7110_av.h"
+
+
+int msp_writereg(struct av7110 *av7110, u8 dev, u16 reg, u16 val)
+{
+ u8 msg[5]={ dev, reg>>8, reg&0xff, val>>8 , val&0xff };
+ struct dvb_i2c_bus *i2c = av7110->i2c_bus;
+ struct i2c_msg msgs = { .flags = 0, .addr = 0x40, .len = 5, .buf = msg};
+
+ if (i2c->xfer(i2c, &msgs, 1) != 1) {
+ printk("av7110(%d): %s(%u = %u) failed\n",
+ av7110->dvb_adapter->num, __FUNCTION__, reg, val);
+ return -EIO;
+ }
+ return 0;
+}
+
+int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val)
+{
+ u8 msg1[3]={ dev, reg>>8, reg&0xff };
+ u8 msg2[2];
+ struct dvb_i2c_bus *i2c = av7110->i2c_bus;
+ struct i2c_msg msgs[2] = {
+ { .flags = 0, .addr = 0x40, .len = 3, .buf = msg1},
+ { .flags = I2C_M_RD, .addr = 0x40, .len = 2, .buf = msg2}
+ };
+
+ if (i2c->xfer(i2c, msgs, 2) != 2) {
+ printk("av7110(%d): %s(%u) failed\n",
+ av7110->dvb_adapter->num, __FUNCTION__, reg);
+ return -EIO;
+ }
+ *val = (msg2[0] << 8) | msg2[1];
+ return 0;
+}
+
+
+
+static struct v4l2_input inputs[2] = {
+ {
+ .index = 0,
+ .name = "DVB",
+ .type = V4L2_INPUT_TYPE_CAMERA,
+ .audioset = 1,
+ .tuner = 0, /* ignored */
+ .std = V4L2_STD_PAL_BG|V4L2_STD_NTSC_M,
+ .status = 0,
+ }, {
+ .index = 1,
+ .name = "Television",
+ .type = V4L2_INPUT_TYPE_TUNER,
+ .audioset = 2,
+ .tuner = 0,
+ .std = V4L2_STD_PAL_BG|V4L2_STD_NTSC_M,
+ .status = 0,
+ }
+};
+
+/* taken from ves1820.c */
+static int ves1820_writereg(struct saa7146_dev *dev, u8 reg, u8 data)
+{
+ u8 addr = 0x09;
+ u8 buf[] = { 0x00, reg, data };
+ struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = buf, .len = 3 };
+
+ DEB_EE(("av7710: dev: %p\n",dev));
+
+ if( 1 != saa7146_i2c_transfer(dev, &msg, 1, 1)) {
+ return -1;
+ }
+ return 0;
+}
+
+static int tuner_write(struct saa7146_dev *dev, u8 addr, u8 data [4])
+{
+ struct i2c_msg msg = { .addr = addr, .flags = 0, .buf = data, .len = 4 };
+
+ DEB_EE(("av7710: dev: %p\n",dev));
+
+ if( 1 != saa7146_i2c_transfer(dev, &msg, 1, 1)) {
+ return -1;
+ }
+ return 0;
+}
+
+
+/**
+ * set up the downconverter frequency divisor for a
+ * reference clock comparision frequency of 62.5 kHz.
+ */
+static int tuner_set_tv_freq (struct saa7146_dev *dev, u32 freq)
+{
+ u32 div;
+ u8 config;
+ u8 buf [4];
+
+ DEB_EE(("av7710: freq: 0x%08x\n",freq));
+
+ /* magic number: 614. tuning with the frequency given by v4l2
+ is always off by 614*62.5 = 38375 kHz...*/
+ div = freq + 614;
+
+ buf[0] = (div >> 8) & 0x7f;
+ buf[1] = div & 0xff;
+ buf[2] = 0x8e;
+
+ if (freq < (u32) 16*168.25 )
+ config = 0xa0;
+ else if (freq < (u32) 16*447.25)
+ config = 0x90;
+ else
+ config = 0x30;
+ config &= ~0x02;
+
+ buf[3] = config;
+
+ return tuner_write (dev, 0x61, buf);
+}
+
+static struct saa7146_standard analog_standard[];
+static struct saa7146_standard dvb_standard[];
+static struct saa7146_standard standard[];
+
+static struct v4l2_audio msp3400_v4l2_audio = {
+ .index = 0,
+ .name = "Television",
+ .capability = V4L2_AUDCAP_STEREO
+};
+
+int av7110_dvb_c_switch(struct saa7146_fh *fh)
+{
+ struct saa7146_dev *dev = fh->dev;
+ struct saa7146_vv *vv = dev->vv_data;
+ struct av7110 *av7110 = (struct av7110*)dev->ext_priv;
+ u16 adswitch;
+ u8 band = 0;
+ int source, sync;
+ struct saa7146_fh *ov_fh = NULL;
+ int restart_overlay = 0;
+
+ DEB_EE(("av7110: %p\n",av7110));
+
+ if( vv->ov_data != NULL ) {
+ ov_fh = vv->ov_data->fh;
+ saa7146_stop_preview(ov_fh);
+ restart_overlay = 1;
+ }
+
+ if( 0 != av7110->current_input ) {
+ adswitch = 1;
+ band = 0x68; /* analog band */
+ source = SAA7146_HPS_SOURCE_PORT_B;
+ sync = SAA7146_HPS_SYNC_PORT_B;
+ memcpy(standard,analog_standard,sizeof(struct saa7146_standard)*2);
+ printk("av7110: switching to analog TV\n");
+ msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0000); // loudspeaker source
+ msp_writereg(av7110, MSP_WR_DSP, 0x0009, 0x0000); // headphone source
+ msp_writereg(av7110, MSP_WR_DSP, 0x000a, 0x0000); // SCART 1 source
+ msp_writereg(av7110, MSP_WR_DSP, 0x000e, 0x3000); // FM matrix, mono
+ msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x4f00); // loudspeaker + headphone
+ msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x4f00); // SCART 1 volume
+ } else {
+ adswitch = 0;
+ band = 0x28; /* digital band */
+ source = SAA7146_HPS_SOURCE_PORT_A;
+ sync = SAA7146_HPS_SYNC_PORT_A;
+ memcpy(standard,dvb_standard,sizeof(struct saa7146_standard)*2);
+ printk("av7110: switching DVB mode\n");
+ msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220); // loudspeaker source
+ msp_writereg(av7110, MSP_WR_DSP, 0x0009, 0x0220); // headphone source
+ msp_writereg(av7110, MSP_WR_DSP, 0x000a, 0x0220); // SCART 1 source
+ msp_writereg(av7110, MSP_WR_DSP, 0x000e, 0x3000); // FM matrix, mono
+ msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x7f00); // loudspeaker + headphone
+ msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x7f00); // SCART 1 volume
+ }
+
+ /* hmm, this does not do anything!? */
+ if (outcom(av7110, COMTYPE_AUDIODAC, ADSwitch, 1, adswitch))
+ printk("ADSwitch error\n");
+
+ if (0 != ves1820_writereg(dev, 0x0f, band))
+ printk("setting band in demodulator failed.\n");
+ saa7146_set_hps_source_and_sync(dev, source, sync);
+
+ /* restart overlay if it was active before */
+ if (0 != restart_overlay)
+ saa7146_start_preview(ov_fh);
+
+ return 0;
+}
+
+int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
+{
+ struct saa7146_dev *dev = fh->dev;
+ struct av7110 *av7110 = (struct av7110*)dev->ext_priv;
+ DEB_EE(("saa7146_dev: %p\n",dev));
+
+ switch(cmd) {
+ case VIDIOC_G_TUNER:
+ {
+ struct v4l2_tuner *t = arg;
+ u16 stereo_det;
+ s8 stereo;
+
+ DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
+
+ if( 0 == av7110->has_analog_tuner || t->index != 0 ) {
+ return -EINVAL;
+ }
+
+ memset(t,0,sizeof(*t));
+ strcpy(t->name, "Television");
+
+ t->type = V4L2_TUNER_ANALOG_TV;
+ t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO |
+ V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
+ t->rangelow = 772; /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */
+ t->rangehigh = 13684; /* 855.25 MHz / 62.5 kHz = 13684 */
+ /* FIXME: add the real signal strength here */
+ t->signal = 0xffff;
+ t->afc = 0;
+
+msp_readreg(av7110, MSP_RD_DEM, 0x007e, &stereo_det);
+printk("VIDIOC_G_TUNER: msp3400 TV standard detection: 0x%04x\n", stereo_det);
+
+ msp_readreg(av7110, MSP_RD_DSP, 0x0018, &stereo_det);
+ printk("VIDIOC_G_TUNER: msp3400 stereo detection: 0x%04x\n", stereo_det);
+ stereo = (s8)(stereo_det >> 8);
+ if (stereo > 0x10) {
+ /* stereo */
+ t->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
+ t->audmode = V4L2_TUNER_MODE_STEREO;
+ }
+ else if (stereo < -0x10) {
+ /* bilingual*/
+ t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
+ t->audmode = V4L2_TUNER_MODE_LANG1;
+ }
+ else /* mono */
+ t->rxsubchans = V4L2_TUNER_SUB_MONO;
+
+ return 0;
+ }
+ case VIDIOC_S_TUNER:
+ {
+ struct v4l2_tuner *t = arg;
+ u16 fm_matrix, src;
+ DEB_EE(("VIDIOC_S_TUNER: %d\n", t->index));
+
+ if( 0 == av7110->has_analog_tuner || av7110->current_input != 1 ) {
+ return -EINVAL;
+ }
+
+
+ switch(t->audmode) {
+ case V4L2_TUNER_MODE_STEREO:
+ DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n"));
+ fm_matrix = 0x3001; // stereo
+ src = 0x0020;
+ break;
+ case V4L2_TUNER_MODE_LANG1:
+ DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n"));
+ fm_matrix = 0x3000; // mono
+ src = 0x0000;
+ break;
+ case V4L2_TUNER_MODE_LANG2:
+ DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n"));
+ fm_matrix = 0x3000; // mono
+ src = 0x0010;
+ break;
+ default: /* case V4L2_TUNER_MODE_MONO: {*/
+ DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n"));
+ fm_matrix = 0x3000; // mono
+ src = 0x0030;
+ break;
+ }
+ msp_writereg(av7110, MSP_WR_DSP, 0x000e, fm_matrix);
+ msp_writereg(av7110, MSP_WR_DSP, 0x0008, src);
+ msp_writereg(av7110, MSP_WR_DSP, 0x0009, src);
+ msp_writereg(av7110, MSP_WR_DSP, 0x000a, src);
+
+ return 0;
+ }
+ case VIDIOC_G_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", f->frequency));
+
+ if( 0 == av7110->has_analog_tuner || av7110->current_input != 1 ) {
+ return -EINVAL;
+ }
+
+ memset(f,0,sizeof(*f));
+ f->type = V4L2_TUNER_ANALOG_TV;
+ f->frequency = av7110->current_freq;
+
+ return 0;
+ }
+ case VIDIOC_S_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n",f->frequency));
+
+ if( 0 == av7110->has_analog_tuner || av7110->current_input != 1 ) {
+ return -EINVAL;
+ }
+
+ if (V4L2_TUNER_ANALOG_TV != f->type)
+ return -EINVAL;
+
+ msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0xffe0); // fast mute
+ msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0xffe0);
+
+ /* tune in desired frequency */
+ tuner_set_tv_freq(dev, f->frequency);
+ av7110->current_freq = f->frequency;
+
+ msp_writereg(av7110, MSP_WR_DSP, 0x0015, 0x003f); // start stereo detection
+ msp_writereg(av7110, MSP_WR_DSP, 0x0015, 0x0000);
+ msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x4f00); // loudspeaker + headphone
+ msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x4f00); // SCART 1 volume
+
+ return 0;
+ }
+ case VIDIOC_ENUMINPUT:
+ {
+ struct v4l2_input *i = arg;
+
+ DEB_EE(("VIDIOC_ENUMINPUT: %d\n", i->index));
+
+ if( 0 != av7110->has_analog_tuner ) {
+ if( i->index < 0 || i->index >= 2) {
+ return -EINVAL;
+ }
+ } else {
+ if( i->index != 0 ) {
+ return -EINVAL;
+ }
+ }
+
+ memcpy(i, &inputs[i->index], sizeof(struct v4l2_input));
+
+ return 0;
+ }
+ case VIDIOC_G_INPUT:
+ {
+ int *input = (int *)arg;
+ *input = av7110->current_input;
+ DEB_EE(("VIDIOC_G_INPUT: %d\n", *input));
+ return 0;
+ }
+ case VIDIOC_S_INPUT:
+ {
+ int input = *(int *)arg;
+
+ DEB_EE(("VIDIOC_S_INPUT: %d\n", input));
+
+ if( 0 == av7110->has_analog_tuner ) {
+ return 0;
+ }
+
+ if( input < 0 || input >= 2) {
+ return -EINVAL;
+ }
+
+ /* fixme: switch inputs here */
+ av7110->current_input = input;
+ return av7110_dvb_c_switch(fh);
+ }
+ case VIDIOC_G_AUDIO:
+ {
+ struct v4l2_audio *a = arg;
+
+ DEB_EE(("VIDIOC_G_AUDIO: %d\n", a->index));
+ if (a->index != 0)
+ return -EINVAL;
+ memcpy(a, &msp3400_v4l2_audio, sizeof(struct v4l2_audio));
+ break;
+ }
+ case VIDIOC_S_AUDIO:
+ {
+ struct v4l2_audio *a = arg;
+ DEB_EE(("VIDIOC_S_AUDIO: %d\n", a->index));
+ break;
+ }
+ default:
+ printk("no such ioctl\n");
+ return -ENOIOCTLCMD;
+ }
+ return 0;
+}
+
+
+/****************************************************************************
+ * INITIALIZATION
+ ****************************************************************************/
+
+struct saa7146_extension_ioctls ioctls[] = {
+ { VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE },
+ { VIDIOC_G_INPUT, SAA7146_EXCLUSIVE },
+ { VIDIOC_S_INPUT, SAA7146_EXCLUSIVE },
+ { VIDIOC_G_FREQUENCY, SAA7146_EXCLUSIVE },
+ { VIDIOC_S_FREQUENCY, SAA7146_EXCLUSIVE },
+ { VIDIOC_G_TUNER, SAA7146_EXCLUSIVE },
+ { VIDIOC_S_TUNER, SAA7146_EXCLUSIVE },
+ { VIDIOC_G_AUDIO, SAA7146_EXCLUSIVE },
+ { VIDIOC_S_AUDIO, SAA7146_EXCLUSIVE },
+ { 0, 0 }
+};
+
+static u8 saa7113_init_regs[] = {
+ 0x02, 0xd0,
+ 0x03, 0x23,
+ 0x04, 0x00,
+ 0x05, 0x00,
+ 0x06, 0xe9,
+ 0x07, 0x0d,
+ 0x08, 0x98,
+ 0x09, 0x02,
+ 0x0a, 0x80,
+ 0x0b, 0x40,
+ 0x0c, 0x40,
+ 0x0d, 0x00,
+ 0x0e, 0x01,
+ 0x0f, 0x7c,
+ 0x10, 0x48,
+ 0x11, 0x0c,
+ 0x12, 0x8b,
+ 0x13, 0x1a,
+ 0x14, 0x00,
+ 0x15, 0x00,
+ 0x16, 0x00,
+ 0x17, 0x00,
+ 0x18, 0x00,
+ 0x19, 0x00,
+ 0x1a, 0x00,
+ 0x1b, 0x00,
+ 0x1c, 0x00,
+ 0x1d, 0x00,
+ 0x1e, 0x00,
+
+ 0x41, 0x77,
+ 0x42, 0x77,
+ 0x43, 0x77,
+ 0x44, 0x77,
+ 0x45, 0x77,
+ 0x46, 0x77,
+ 0x47, 0x77,
+ 0x48, 0x77,
+ 0x49, 0x77,
+ 0x4a, 0x77,
+ 0x4b, 0x77,
+ 0x4c, 0x77,
+ 0x4d, 0x77,
+ 0x4e, 0x77,
+ 0x4f, 0x77,
+ 0x50, 0x77,
+ 0x51, 0x77,
+ 0x52, 0x77,
+ 0x53, 0x77,
+ 0x54, 0x77,
+ 0x55, 0x77,
+ 0x56, 0x77,
+ 0x57, 0xff,
+
+ 0xff
+};
+
+
+static struct saa7146_ext_vv av7110_vv_data_st;
+static struct saa7146_ext_vv av7110_vv_data_c;
+
+int av7110_init_analog_module(struct av7110 *av7110)
+{
+ u16 version1, version2;
+
+ if (i2c_writereg(av7110, 0x80, 0x0, 0x80) != 1
+ || i2c_writereg(av7110, 0x80, 0x0, 0) != 1)
+ return -ENODEV;
+
+ printk("av7110(%d): DVB-C analog module detected, initializing MSP3400\n",
+ av7110->dvb_adapter->num);
+ av7110->adac_type = DVB_ADAC_MSP;
+ dvb_delay(100); // the probing above resets the msp...
+ msp_readreg(av7110, MSP_RD_DSP, 0x001e, &version1);
+ msp_readreg(av7110, MSP_RD_DSP, 0x001f, &version2);
+ printk("av7110(%d): MSP3400 version 0x%04x 0x%04x\n",
+ av7110->dvb_adapter->num, version1, version2);
+ msp_writereg(av7110, MSP_WR_DSP, 0x0013, 0x0c00);
+ msp_writereg(av7110, MSP_WR_DSP, 0x0000, 0x7f00); // loudspeaker + headphone
+ msp_writereg(av7110, MSP_WR_DSP, 0x0008, 0x0220); // loudspeaker source
+ msp_writereg(av7110, MSP_WR_DSP, 0x0009, 0x0220); // headphone source
+ msp_writereg(av7110, MSP_WR_DSP, 0x0004, 0x7f00); // loudspeaker volume
+ msp_writereg(av7110, MSP_WR_DSP, 0x000a, 0x0220); // SCART 1 source
+ msp_writereg(av7110, MSP_WR_DSP, 0x0007, 0x7f00); // SCART 1 volume
+ msp_writereg(av7110, MSP_WR_DSP, 0x000d, 0x4800); // prescale SCART
+
+ if (i2c_writereg(av7110, 0x48, 0x01, 0x00)!=1) {
+ INFO(("saa7113 not accessible.\n"));
+ } else {
+ u8 *i = saa7113_init_regs;
+ av7110->has_analog_tuner = 1;
+ /* init the saa7113 */
+ while (*i != 0xff) {
+ if (i2c_writereg(av7110, 0x48, i[0], i[1]) != 1) {
+ printk("av7110(%d): saa7113 initialization failed",
+ av7110->dvb_adapter->num);
+ break;
+ }
+ i += 2;
+ }
+ /* setup msp for analog sound: B/G Dual-FM */
+ msp_writereg(av7110, MSP_WR_DEM, 0x00bb, 0x02d0); // AD_CV
+ msp_writereg(av7110, MSP_WR_DEM, 0x0001, 3); // FIR1
+ msp_writereg(av7110, MSP_WR_DEM, 0x0001, 18); // FIR1
+ msp_writereg(av7110, MSP_WR_DEM, 0x0001, 27); // FIR1
+ msp_writereg(av7110, MSP_WR_DEM, 0x0001, 48); // FIR1
+ msp_writereg(av7110, MSP_WR_DEM, 0x0001, 66); // FIR1
+ msp_writereg(av7110, MSP_WR_DEM, 0x0001, 72); // FIR1
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 4); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 64); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 0); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 3); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 18); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 27); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 48); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 66); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0005, 72); // FIR2
+ msp_writereg(av7110, MSP_WR_DEM, 0x0083, 0xa000); // MODE_REG
+ msp_writereg(av7110, MSP_WR_DEM, 0x0093, 0x00aa); // DCO1_LO 5.74MHz
+ msp_writereg(av7110, MSP_WR_DEM, 0x009b, 0x04fc); // DCO1_HI
+ msp_writereg(av7110, MSP_WR_DEM, 0x00a3, 0x038e); // DCO2_LO 5.5MHz
+ msp_writereg(av7110, MSP_WR_DEM, 0x00ab, 0x04c6); // DCO2_HI
+ msp_writereg(av7110, MSP_WR_DEM, 0x0056, 0); // LOAD_REG 1/2
+ }
+
+ memcpy(standard, dvb_standard, sizeof(struct saa7146_standard) * 2);
+ /* set dd1 stream a & b */
+ saa7146_write(av7110->dev, DD1_STREAM_B, 0x00000000);
+ saa7146_write(av7110->dev, DD1_INIT, 0x03000700);
+ saa7146_write(av7110->dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
+
+ return 0;
+}
+
+int av7110_init_v4l(struct av7110 *av7110)
+{
+ struct saa7146_dev* dev = av7110->dev;
+ int ret;
+
+ /* special case DVB-C: these cards have an analog tuner
+ plus need some special handling, so we have separate
+ saa7146_ext_vv data for these... */
+ if (av7110->has_analog_tuner)
+ ret = saa7146_vv_init(dev, &av7110_vv_data_c);
+ else
+ ret = saa7146_vv_init(dev, &av7110_vv_data_st);
+
+ if (ret) {
+ ERR(("cannot init capture device. skipping.\n"));
+ return -ENODEV;
+ }
+
+ if (saa7146_register_device(&av7110->v4l_dev, dev, "av7110", VFL_TYPE_GRABBER)) {
+ ERR(("cannot register capture device. skipping.\n"));
+ saa7146_vv_release(dev);
+ return -ENODEV;
+ }
+ if (av7110->has_analog_tuner) {
+ if (saa7146_register_device(&av7110->vbi_dev, dev, "av7110", VFL_TYPE_VBI)) {
+ ERR(("cannot register vbi v4l2 device. skipping.\n"));
+ } else
+ /* we use this to remember that this dvb-c card can do vbi */
+ av7110->has_analog_tuner = 2;
+ }
+ return 0;
+}
+
+int av7110_exit_v4l(struct av7110 *av7110)
+{
+ saa7146_unregister_device(&av7110->v4l_dev, av7110->dev);
+ if (2 == av7110->has_analog_tuner)
+ saa7146_unregister_device(&av7110->vbi_dev, av7110->dev);
+ return 0;
+}
+
+
+
+/* FIXME: these values are experimental values that look better than the
+ values from the latest "official" driver -- at least for me... (MiHu) */
+static struct saa7146_standard standard[] = {
+ {
+ .name = "PAL", .id = V4L2_STD_PAL_BG,
+ .v_offset = 0x15, .v_field = 288, .v_calc = 576,
+ .h_offset = 0x4a, .h_pixels = 708, .h_calc = 709,
+ .v_max_out = 576, .h_max_out = 768,
+ }, {
+ .name = "NTSC", .id = V4L2_STD_NTSC,
+ .v_offset = 0x10, .v_field = 244, .v_calc = 480,
+ .h_offset = 0x40, .h_pixels = 708, .h_calc = 709,
+ .v_max_out = 480, .h_max_out = 640,
+ }
+};
+
+static struct saa7146_standard analog_standard[] = {
+ {
+ .name = "PAL", .id = V4L2_STD_PAL_BG,
+ .v_offset = 0x18 /* 0 */ , .v_field = 288, .v_calc = 576,
+ .h_offset = 0x08, .h_pixels = 708, .h_calc = 709,
+ .v_max_out = 576, .h_max_out = 768,
+ }, {
+ .name = "NTSC", .id = V4L2_STD_NTSC,
+ .v_offset = 0x10, .v_field = 244, .v_calc = 480,
+ .h_offset = 0x40, .h_pixels = 708, .h_calc = 709,
+ .v_max_out = 480, .h_max_out = 640,
+ }
+};
+
+static struct saa7146_standard dvb_standard[] = {
+ {
+ .name = "PAL", .id = V4L2_STD_PAL_BG,
+ .v_offset = 0x14, .v_field = 288, .v_calc = 576,
+ .h_offset = 0x4a, .h_pixels = 708, .h_calc = 709,
+ .v_max_out = 576, .h_max_out = 768,
+ }, {
+ .name = "NTSC", .id = V4L2_STD_NTSC,
+ .v_offset = 0x10, .v_field = 244, .v_calc = 480,
+ .h_offset = 0x40, .h_pixels = 708, .h_calc = 709,
+ .v_max_out = 480, .h_max_out = 640,
+ }
+};
+
+static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
+{
+ struct av7110 *av7110 = (struct av7110*)dev->ext_priv;
+
+ if (std->id == V4L2_STD_PAL) {
+ av7110->vidmode = VIDEO_MODE_PAL;
+ SetMode(av7110, av7110->vidmode);
+ }
+ else if (std->id == V4L2_STD_NTSC) {
+ av7110->vidmode = VIDEO_MODE_NTSC;
+ SetMode(av7110, av7110->vidmode);
+ }
+ else
+ return -1;
+
+ return 0;
+}
+
+
+static struct saa7146_ext_vv av7110_vv_data_st = {
+ .inputs = 1,
+ .audios = 1,
+ .capabilities = 0,
+ .flags = 0,
+
+ .stds = &standard[0],
+ .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
+ .std_callback = &std_callback,
+
+ .ioctls = &ioctls[0],
+ .ioctl = av7110_ioctl,
+};
+
+static struct saa7146_ext_vv av7110_vv_data_c = {
+ .inputs = 1,
+ .audios = 1,
+ .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
+ .flags = SAA7146_USE_PORT_B_FOR_VBI,
+
+ .stds = &standard[0],
+ .num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
+ .std_callback = &std_callback,
+
+ .ioctls = &ioctls[0],
+ .ioctl = av7110_ioctl,
+};
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-06 19:40:24 +0000