[PATCH] dvb: av7110: Siemens DVB-C analog video input support

Add support for analog video inputs (CVBS and Y/C) of the
analog module for the Siemens DVB-C card.

Signed-off-by: thomas schorpp <t.schorpp@gmx.de>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 54 insertions, 20 deletions

diff --git a/drivers/media/dvb/ttpci/av7110_v4l.c b/drivers/media/dvb/ttpci/av7110_v4l.c
index e65fc36e2ce8..6af74f78b3e5 100644
--- a/drivers/media/dvb/ttpci/av7110_v4l.c
+++ b/drivers/media/dvb/ttpci/av7110_v4l.c
@@ -70,7 +70,7 @@ static int msp_readreg(struct av7110 *av7110, u8 dev, u16 reg, u16 *val)
         return 0;
 }
 
-static struct v4l2_input inputs[2] = {
+static struct v4l2_input inputs[4] = {
         {
                 .index          = 0,
                 .name           = "DVB",
@@ -87,6 +87,22 @@ static struct v4l2_input inputs[2] = {
                 .tuner          = 0,
                 .std            = V4L2_STD_PAL_BG|V4L2_STD_NTSC_M,
                 .status         = 0,
+        }, {
+                .index          = 2,
+                .name           = "Video",
+                .type           = V4L2_INPUT_TYPE_CAMERA,
+                .audioset       = 0,
+                .tuner          = 0,
+                .std            = V4L2_STD_PAL_BG|V4L2_STD_NTSC_M,
+                .status         = 0,
+        }, {
+                .index          = 3,
+                .name           = "Y/C",
+                .type           = V4L2_INPUT_TYPE_CAMERA,
+                .audioset       = 0,
+                .tuner          = 0,
+                .std            = V4L2_STD_PAL_BG|V4L2_STD_NTSC_M,
+                .status         = 0,
         }
 };
 
@@ -212,24 +228,44 @@ static int av7110_dvb_c_switch(struct saa7146_fh *fh)
         }
 
         if (0 != av7110->current_input) {
+                dprintk(1, "switching to analog TV:\n");
                 adswitch = 1;
                 source = SAA7146_HPS_SOURCE_PORT_B;
                 sync = SAA7146_HPS_SYNC_PORT_B;
                 memcpy(standard, analog_standard, sizeof(struct saa7146_standard) * 2);
-                dprintk(1, "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
 
-                if (av7110->analog_tuner_flags & ANALOG_TUNER_VES1820) {
-                        if (ves1820_writereg(dev, 0x09, 0x0f, 0x60))
-                                dprintk(1, "setting band in demodulator failed.\n");
-                } else if (av7110->analog_tuner_flags & ANALOG_TUNER_STV0297) {
-                        saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI); // TDA9198 pin9(STD)
-                        saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI); // TDA9198 pin30(VIF)
+                switch (av7110->current_input) {
+                case 1:
+                        dprintk(1, "switching SAA7113 to Analog Tuner Input.\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
+
+                        if (av7110->analog_tuner_flags & ANALOG_TUNER_VES1820) {
+                                if (ves1820_writereg(dev, 0x09, 0x0f, 0x60))
+                                        dprintk(1, "setting band in demodulator failed.\n");
+                        } else if (av7110->analog_tuner_flags & ANALOG_TUNER_STV0297) {
+                                saa7146_setgpio(dev, 1, SAA7146_GPIO_OUTHI); // TDA9198 pin9(STD)
+                                saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI); // TDA9198 pin30(VIF)
+                        }
+                        if (i2c_writereg(av7110, 0x48, 0x02, 0xd0) != 1)
+                                dprintk(1, "saa7113 write failed @ card %d", av7110->dvb_adapter.num);
+                        break;
+                case 2:
+                        dprintk(1, "switching SAA7113 to Video AV CVBS Input.\n");
+                        if (i2c_writereg(av7110, 0x48, 0x02, 0xd2) != 1)
+                                dprintk(1, "saa7113 write failed @ card %d", av7110->dvb_adapter.num);
+                        break;
+                case 3:
+                        dprintk(1, "switching SAA7113 to Video AV Y/C Input.\n");
+                        if (i2c_writereg(av7110, 0x48, 0x02, 0xd9) != 1)
+                                dprintk(1, "saa7113 write failed @ card %d", av7110->dvb_adapter.num);
+                        break;
+                default:
+                        dprintk(1, "switching SAA7113 to Input: AV7110: SAA7113: invalid input.\n");
                 }
         } else {
                 adswitch = 0;
@@ -300,7 +336,6 @@ static int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
                 // FIXME: standard / stereo detection is still broken
                 msp_readreg(av7110, MSP_RD_DEM, 0x007e, &stereo_det);
                 dprintk(1, "VIDIOC_G_TUNER: msp3400 TV standard detection: 0x%04x\n", stereo_det);
-
                 msp_readreg(av7110, MSP_RD_DSP, 0x0018, &stereo_det);
                 dprintk(1, "VIDIOC_G_TUNER: msp3400 stereo detection: 0x%04x\n", stereo_det);
                 stereo = (s8)(stereo_det >> 8);
@@ -310,7 +345,7 @@ static int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
                         t->audmode = V4L2_TUNER_MODE_STEREO;
                 }
                 else if (stereo < -0x10) {
-                        /* bilingual*/
+                        /* bilingual */
                         t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
                         t->audmode = V4L2_TUNER_MODE_LANG1;
                 }
@@ -344,7 +379,7 @@ static int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
                         fm_matrix = 0x3000; // mono
                         src = 0x0010;
                         break;
-                default: /* case V4L2_TUNER_MODE_MONO: {*/
+                default: /* case V4L2_TUNER_MODE_MONO: */
                         dprintk(2, "VIDIOC_S_TUNER: TDA9840_SET_MONO\n");
                         fm_matrix = 0x3000; // mono
                         src = 0x0030;
@@ -406,7 +441,7 @@ static int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
                 dprintk(2, "VIDIOC_ENUMINPUT: %d\n", i->index);
 
                 if (av7110->analog_tuner_flags) {
-                        if (i->index < 0 || i->index >= 2)
+                        if (i->index < 0 || i->index >= 4)
                                 return -EINVAL;
                 } else {
                         if (i->index != 0)
@@ -433,10 +468,9 @@ static int av7110_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
                 if (!av7110->analog_tuner_flags)
                         return 0;
 
-                if (input < 0 || input >= 2)
+                if (input < 0 || input >= 4)
                         return -EINVAL;
 
-                /* FIXME: switch inputs here */
                 av7110->current_input = input;
                 return av7110_dvb_c_switch(fh);
         }