The 'audio_std' module parameter makes it possible to fine tune
some audio related aspects of the driver, like setting the exact
audio standard (NICAM, A2, etc.) to be used for some video standards.
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch implements setting the registers in xc4000_set_params()
and xc4000_set_analog_params(). A new register is defined which enables
filtering of the composite video output (this is needed to avoid bad
picture quality with some boards).
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The following patch makes a few minor changes to the printing
of debug messages, and reporting the tuner status. The 'debug'
module parameter can now be set from 0 to 2 to control the
verbosity of debug messages.
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch fixes/cleans up the loading of the firmware file when the
driver is loaded and initialized.
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The following patch implements the xc4000_sleep() function.
The 'no_powerdown' module parameter is now interpreted differently:
  - 0 uses a device-specific default
  - 1 disables power management like before
  - 2 enables power management
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch adds support for selecting a card type in struct
xc4000_config, to allow for implementing some card specific code
in the driver.
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch makes the following fixes in check_firmware():
  - there is only one BASE and INIT1 firmware for XC4000
  - loading SCODE is needed also for FM radio
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Removed unused code from load_scode() (all SCODE firmwares are
assumed to have the HAS_IF bit set).
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch simplifies the code in seek_firmware().
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The firmware_name module parameter makes it possible to set the firmware
file name. It defaults to "xc4000.fw" if not specified.
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The xc_get_frequency_error() function reported the frequency error
incorrectly. The data read from the hardware is a signed integer, in
15625 Hz units. The attached patch fixes the bug.
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch adds a mutex to xc4000_priv, to protect the driver
from being accessed by multiple processes at the same time.
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The following patch implements support for DVB-T with 7 MHz bandwidth.
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch makes the following changes to the standards table:
  - added 'u16 int_freq' to struct XC_TV_STANDARD (needed for analog TV
    and radio, 0 for DVB-T)
  - added new standard for SECAM-D/K video with PAL-D/K audio
  - the 'int_freq' values are now specified in the table
  - changed VideoMode for NTSC and PAL-B/G standards
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is the first of a set of patches that update the original xc4000
sources to my modified version. It removes some unused code, and makes
a few minor formatting changes.

[mchehab@redhat.com: re-add XC_TUNE_ANALOG/XC_TUNE_DIGITAL constants, to avoid compilation breakage]
Signed-off-by: NIstvan Varga <istvan_v@mailbox.hu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Remove some printk() calls added during driver development, and demote some
other messages to debug only (to reduce dmesg chatter).
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Give the xc4000 firmware filename a filename that makes more sense for public
release.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Don't dump debug into to dmesg by default (something I had enabled during
bringup of the xc4000 driver).
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Remove a hack I had put in to force the firmware to be 8MHz, now setting
the firmware properly based on the target standard.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

It was confirmed by DibCom that i2c stretching is broken in the i2c master
on the dib7700.  So we need to put a hack into the xc4000 driver to not
complain in certain very specific cases where we know i2c stretching occurs.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Remove hard-coded references to 5400, using the value passed in when the
xc4000 is attached.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Properly setup the standard firmware loading and scode loading, as well as
getting rid of a ton of dead code.  Note that I am getting a single i2c
error when the standard firmware sets the video standard, but everything else
seems to be loading properly now.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Add code to handle firmware blobs for the standard and scode.  Note there
appears to be some issue with loading the DTV8 standard firmware, probably
related to direct/indirect mode.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Since we use the xc3028 version of the firmware file parsing routine (which
includes support for scodes and separate blobs), we can drop the xc5000
version of the code.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The xc4000 driver is based on the original xc5000 driver, and while the
xc5000 supports the XREG_BUSY register, the xc4000 does not.  So remove the
code in question.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

We need to set the firmware type properly in order to locate the init1
firmware.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The xc3028 version does i2c splitting in a different manner than xc4000 and
xc5000, so reuse the xc5000 version of the routine (the key here being that
xc4000 expects the first *two* bytes to be the same for splitting transactions.

Doing it the xc3028 way was resulting in i2c errors partially through the
firmware load.  With this change, it would appear that the entire base firmware
is being loaded successfully (product id now properly shows 0x0FA0).
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Switch over to using the firmware management routines from the tuner-xc2028,
since that has support for scodes, etc.

This code still requires signficant cleanup, and at this point the base
firmware does not load properly (i2c write errors about 300 bytes in).
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is initial code written by Davide Ferri for the PCTV 340e, including
a new xc4000 driver.  I am checking in all the code unmodified, and making
no assertions about its quality (other than confirming it compiles).

[mchehab@redhat.com: rebased on the top of the current tree]
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NDavide Ferri <davidef1986@gmail.com>
Cc: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Brazil uses 6MHz-spaced channels. So, the nyquist filter for
DVB-C should be different, otherwise, inter-channel interference
may badly affect the device, and signal may not be properly decoded.

On my tests here, without this patch, sometimes channels are seen,
but, most of the time, PID filter returns with timeout.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Add one more radio input, usefull for tm6010
Add control output amplitude.
Add set_config function for configure tuner when TV card hasn't dvb part.
Signed-off-by: NBeholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NIgor M. Liplianin <liplianin@netup.ru>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Making static data const avoids allocation of additional r/w memory and
reduces initialisation time.  It also provides some additional opportunities
for compiler optimisations.
Signed-off-by: NLawrence Rust <lvr@softsystem.co.uk>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/common/tuners/xc5000.c: In function ‘xc_write_reg’:
drivers/media/common/tuners/xc5000.c:298: warning: passing argument 3 of ‘xc5000_readreg’ from incompatible pointer type
drivers/media/common/tuners/xc5000.c:235: note: expected ‘u16 *’ but argument is of type ‘u8 *’
drivers/media/common/tuners/xc5000.c: At top level:
drivers/media/common/tuners/xc5000.c:223: warning: ‘xc_read_i2c_data’ defined but not used
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Rework xc_write_reg function for correct read register of the xc5000.
It is very useful for tm6000.

Tested for tm6000 and for saa7134 works well.
Signed-off-by: NBeholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Acked-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Xc5000 tuning attempts shouldn't return zero in the case where the firmware
did not load successfully.

Thanks to Michael Krufky for pointing out this issue.

Cc: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Remove hard-coded definition of the xc5000 FM radio input, making it a
parameter passed in when doing the attach call.
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Add FM radio for the xc5000 silicon tuner chip.
Signed-off-by: NBeholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Add copyright line for xc5000.c.

Cc: Steven Toth <stoth@kernellabs.com>
Signed-off-by: NDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>