Porting analog support from HVR-1500 to the DViCO FusionHDTV7 Dual Express (Read this one)

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Please excuse my previous message.  I hit the send button too early.

OK, so I am going to take the advice of others and be persistant.  I am trying to add analog support for the
DViCO FusionHDTV7 Dual Express by working with the current code for the HVR-1500. Loading the HVR-1500 driver doesn't work. I have thoughts about the dmesg output.

[   11.088311] CORE cx23885[0]: subsystem: 18ac:d618, board: Hauppauge
WinTV-HVR1500 [card=6,insmod option]
[   11.224568] cx23885[0]: i2c bus 0 registered
[   11.224609] cx23885[0]: i2c bus 1 registered
[   11.224632] cx23885[0]: i2c bus 2 registered
[   11.251024] tveeprom 2-0050: Encountered bad packet header [ff]. Corrupt or not a Hauppauge eeprom.
[   11.251026] cx23885[0]: warning: unknown hauppauge model #0
[   11.251027] cx23885[0]: hauppauge eeprom: model=0

This makes sense because it is not a hauppauge card, but I think it might be a harmless warning.

[   11.268639] cx25840' 4-0044: cx25  0-21 found @ 0x88 (cx23885[0])
[   11.283305] tuner' 2-0064: chip found @ 0xc8 (cx23885[0])
[   11.285887] tuner' 3-0064: chip found @ 0xc8 (cx23885[0])
[   11.288377] cx23885[0]/0: registered device video0 [v4l2]
[   11.288653] cx23885[0]/1: registered ALSA audio device
[   11.288658] tuner' 3-0064: tuner type not set

2-0064 and 3-0064 are probably the dual digital tuners.  3-0064 tuner type is not set because the HVR1500 card
is a single tuner card and so it only sets one tuner.  I am guessing that cx25840' 4-0044 has something to
do with the analog support.  

[   11.292131] firmware: requesting v4l-cx23885-avcore-01.fw
[   11.310299] cx25840' 4-0044: unable to open firmware v4l-cx23885-avcore-01.fw

Why is it trying to load v4l-cx23885-avcore-01.fw?  I have the xc5000 firmware installed from
http://www.steventoth.net/linux/xc5000/
because that is the correct firmware for my card.

[   11.324551] cx23885[0]: cx23885 based dvb card
[   11.348947] cx23885[0]: frontend initialization failed
[   11.348949] cx23885_dvb_register() dvb_register failed err = -1
[   11.348951] cx23885_dev_setup() Failed to register dvb on VID_C
[   11.348955] cx23885_dev_checkrevision() Hardware revision = 0xb0

Is this error a big deal or is it fatal?

Next I tried to go out and find v4l-cx23885-avcore-01.fw which was at 
http://www.steventoth.net/linux/hvr1800/

I loaded this firmware too.  Results are the same until:
[   11.254199] firmware: requesting v4l-cx23885-avcore-01.fw
[   11.876323] cx25840' 4-0044: loaded v4l-cx23885-avcore-01.fw firmware
(16382 bytes)
[   11.890444] cx23885[0]: cx23885 based dvb card
[   11.920769] cx23885[0]: frontend initialization failed
[   11.920771] cx23885_dvb_register() dvb_register failed err = -1
[   11.920773] cx23885_dev_setup() Failed to register dvb on VID_C
[   11.920777] cx23885_dev_checkrevision() Hardware revision = 0xb0

So it loaded the firmware, but it didn't help with tuning channels.  Next attempt was to copy the relevant code from the HVR-1500 section to the FusionHDTV7 Dual Express section.  This was just a few lines in 
/linux/drivers/media/video/cx23885/cx23885-cards.c 
that you will see a little later in this message.  The dmesg output was

[   11.613432] cx23885 0000:08:00.0: PCI INT A -> Link[APC6] -> GSI 16 (level, low) -> IRQ
 16
[   11.613491] CORE cx23885[0]: subsystem: 18ac:d618, board: DViCO FusionHDTV7 Dual Expres
s [card=10,autodetected]
[   11.752552] cx23885[0]: i2c bus 0 registered
[   11.752824] cx23885[0]: i2c bus 1 registered
[   11.752850] cx23885[0]: i2c bus 2 registered
[   11.806061] cx25840' 4-0044: cx25  0-21 found @ 0x88 (cx23885[0])
[   11.815419] tuner' 2-0064: chip found @ 0xc8 (cx23885[0])
[   11.818004] tuner' 3-0064: chip found @ 0xc8 (cx23885[0])
[   11.820086] cx23885[0]/0: registered device video0 [v4l2]
[   11.820356] cx23885[0]/1: registered ALSA audio device
[   11.820360] tuner' 3-0064: tuner type not set
[   11.833710] firmware: requesting v4l-cx23885-avcore-01.fw
[   12.504759] cx25840' 4-0044: loaded v4l-cx23885-avcore-01.fw firmware (16382 bytes)
[   12.518893] cx23885[0]: cx23885 based dvb card
[   12.694643] xc5000: Successfully identified at address 0x64
[   12.694645] xc5000: Firmware has not been loaded previously
[   12.694651] DVB: registering new adapter (cx23885[0])
[   12.694654] DVB: registering frontend 0 (Samsung S5H1411 QAM/8VSB Frontend)...
[   12.696204] cx23885[0]: cx23885 based dvb card
[   12.741530] xc5000: Successfully identified at address 0x64
[   12.741531] xc5000: Firmware has not been loaded previously
[   12.741533] DVB: registering new adapter (cx23885[0])
[   12.741535] DVB: registering frontend 1 (Samsung S5H1411 QAM/8VSB Frontend)...
[   12.743028] cx23885_dev_checkrevision() Hardware revision = 0xb0
[   12.743034] cx23885[0]/0: found at 0000:08:00.0, rev: 2, irq: 16, latency: 0, mmio: 0xf
d800000
[   12.743039] cx23885 0000:08:00.0: setting latency timer to 64

I don't get dvb_register() or dev_checkrevision() errors, but I still can't tune channels.  I suspect that
I have loaded the digital stuff, but the analog stuff hasn't been loaded successfully.

Were there things that were HVR1500 specific?  I took a look at 
/linux/drivers/media/video/cx23885/cx23885-cards.c:

[CX23885_BOARD_HAUPPAUGE_HVR1500] = {
                .name           = "Hauppauge WinTV-HVR1500",
// The section for my card is
[CX23885_BOARD_DVICO_FUSIONHDTV_7_DUAL_EXP] = {
                .name           = "DViCO FusionHDTV7 Dual Express",
 
              .porta          = CX23885_ANALOG_VIDEO,
 //  I added the following for the dvico card   
                .portb  = CX23885_MPEG_DVB,
// back to original code
                .portc          = CX23885_MPEG_DVB,
// the following is probably not compatible with the dvico card
                .tuner_type     = TUNER_XC2028,
                .tuner_addr     = 0x61, /* 0xc2 >> 1 */
// I tried replacing it with the following code.  It is a guess, but the following dmesg makes it seem like a good guess.
                .tuner_type     = TUNER_XC5000,
                .tuner_addr     = 0x64, /* 0xc2 >> 1 */
//  Why is the stuff below referring to 25480?  Probably because that has analog support.
//  Is that why it asks for the v4l-cx23885-avcore-01.fw firmware?
// Why are there three different versions below?  I would think that TV, Composite and SVideo are outputs, 
// but the mythtv tuning setup makes it seem like they are input.
                .input          = {{
                        .type   = CX23885_VMUX_TELEVISION,
                        .vmux   =       CX25840_VIN7_CH3 |
                                        CX25840_VIN5_CH2 |
                                        CX25840_VIN2_CH1,
                        .gpio0  = 0,
                }, {
                        .type   = CX23885_VMUX_COMPOSITE1,
                        .vmux   =       CX25840_VIN7_CH3 |
                                        CX25840_VIN4_CH2 |
                                        CX25840_VIN6_CH1,
                        .gpio0  = 0,
                }, {
                        .type   = CX23885_VMUX_SVIDEO,
                        .vmux   =       CX25840_VIN7_CH3 |
                                        CX25840_VIN4_CH2 |
                                        CX25840_VIN8_CH1 |
                                        CX25840_SVIDEO_ON,
                        .gpio0  = 0,
                } },

With those minor changes I tried loading the cx23885 module again.
[   10.977705] CORE cx23885[0]: subsystem: 18ac:d618, board: DViCO FusionHDTV7 Dual Express [card=10,autodetected]
[   11.116725] cx23885[0]: i2c bus 0 registered
[   11.116738] cx23885[0]: i2c bus 1 registered
[   11.116752] cx23885[0]: i2c bus 2 registered
[   11.158834] cx25840' 4-0044: cx25  0-21 found @ 0x88 (cx23885[0])
[   11.186669] tuner' 2-0064: chip found @ 0xc8 (cx23885[0])
[   11.228894] xc5000: Successfully identified at address 0x64
[   11.228896] xc5000: Firmware has not been loaded previously
[   11.229567] xc5000: waiting for firmware upload (dvb-fe-xc5000-1.1.fw)...
[   11.229570] firmware: requesting dvb-fe-xc5000-1.1.fw
[   11.301703] xc5000: firmware read 12332 bytes.
[   11.301706] xc5000: firmware upload
[   11.301708] xc5000: no tuner reset callback function, fatal
[   13.766578] tuner' 3-0064: chip found @ 0xc8 (cx23885[0])
[   13.767308] xc5000: Successfully identified at address 0x64
[   13.767309] xc5000: Firmware has not been loaded previously
[   13.767979] xc5000: waiting for firmware upload (dvb-fe-xc5000-1.1.fw)...
[   13.767980] firmware: requesting dvb-fe-xc5000-1.1.fw
[   13.769073] xc5000: firmware read 12332 bytes.
[   13.769074] xc5000: firmware upload
[   13.769075] xc5000: no tuner reset callback function, fatal
[   16.238788] xc5000: Successfully identified at address 0x64
[   16.238790] xc5000: Firmware has been loaded previously
[   17.384118] cx23885[0]/0: registered device video0 [v4l2]
[   17.384429] cx23885[0]/1: registered ALSA audio device
[   19.479469] firmware: requesting v4l-cx23885-avcore-01.fw
[   20.084869] cx25840' 4-0044: loaded v4l-cx23885-avcore-01.fw firmware (16382 bytes)

Why is this still asking for v4l-cx23885-avcore-01.fw firmware?  I thought that
my alterations would have changed that?   I could remove it, but
I bet it would still be asking for it.  It seems to load the xc5000
over and over again so I am guessing my changes were wrong.

[   20.098995] cx23885[0]: cx23885 based dvb card
[   20.178461] xc5000: Successfully identified at address 0x64
[   20.178462] xc5000: Firmware has been loaded previously
[   20.178470] DVB: registering new adapter (cx23885[0])
[   20.178474] DVB: registering frontend 0 (Samsung S5H1411 QAM/8VSB Frontend)...
[   20.180029] cx23885[0]: cx23885 based dvb card
[   20.225399] xc5000: Successfully identified at address 0x64
[   20.225400] xc5000: Firmware has been loaded previously
[   20.225403] DVB: registering new adapter (cx23885[0])
[   20.225404] DVB: registering frontend 1 (Samsung S5H1411 QAM/8VSB Frontend)...
[   20.226909] cx23885_dev_checkrevision() Hardware revision = 0xb0
[   20.226915] cx23885[0]/0: found at 0000:08:00.0, rev: 2, irq: 16, latency: 0, mmio: 0xf
d800000
[   20.226920] cx23885 0000:08:00.0: setting latency timer to 64

Again I don't get dvb_register() or dev_checkrevision() errors, but I still can't tune channels. 
What should go here for my card?
               .tuner_type     = ?
               .tuner_addr     = ?

As you can see I have made several attempts to dive into the code and understand the error messages.  I have tried to identify problem areas so that someone more familiar with the code could possibly see what the errors may be.


--Tim
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