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6c3d713e6d
There are a few known (minor) problems with having the support code for both I2C
and SPI in the same module:
* We need to be extra careful to make sure to not build the driver into the
kernel if one of the subsystems is build as a module (Currently only I2C
can be build as a module).
* The module init path error handling is rather ugly. E.g. what should be
done if either the SPI or the I2C driver fails to register? Most drivers
that implement SPI and I2C in the same module currently fallback to
undefined behavior in that case. Splitting the the driver into two
modules, one for each bus, allows the registration of the other bus driver
to continue without problems if one of them fails.
This patch splits the AD193X driver into 3 modules. One core module that
implements the device logic, but is independent of the bus method used. And one
module for SPI and I2C each that registers the drivers and sets up the regmap
struct for the bus.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
179 lines
5.3 KiB
Plaintext
179 lines
5.3 KiB
Plaintext
config SND_BF5XX_I2S
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tristate "SoC I2S Audio for the ADI Blackfin chip"
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depends on BLACKFIN
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select SND_BF5XX_SOC_SPORT if !BF60x
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select SND_BF6XX_SOC_SPORT if BF60x
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help
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Say Y or M if you want to add support for codecs attached to
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the Blackfin SPORT (synchronous serial ports) interface in I2S
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mode (supports single stereo In/Out).
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You will also need to select the audio interfaces to support below.
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config SND_BF5XX_SOC_SSM2602
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tristate "SoC SSM2602 Audio Codec Add-On Card support"
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depends on SND_BF5XX_I2S && (SPI_MASTER || I2C)
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select SND_BF5XX_SOC_I2S if !BF60x
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select SND_BF6XX_SOC_I2S if BF60x
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select SND_SOC_SSM2602
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help
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Say Y if you want to add support for the Analog Devices
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SSM2602 Audio Codec Add-On Card.
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config SND_SOC_BFIN_EVAL_ADAU1701
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tristate "Support for the EVAL-ADAU1701MINIZ board on Blackfin eval boards"
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depends on SND_BF5XX_I2S
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select SND_BF5XX_SOC_I2S
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select SND_SOC_ADAU1701
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select I2C
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help
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Say Y if you want to add support for the Analog Devices EVAL-ADAU1701MINIZ
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board connected to one of the Blackfin evaluation boards like the
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BF5XX-STAMP or BF5XX-EZKIT.
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config SND_SOC_BFIN_EVAL_ADAU1373
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tristate "Support for the EVAL-ADAU1373 board on Blackfin eval boards"
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depends on SND_BF5XX_I2S && I2C
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select SND_BF5XX_SOC_I2S
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select SND_SOC_ADAU1373
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help
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Say Y if you want to add support for the Analog Devices EVAL-ADAU1373
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board connected to one of the Blackfin evaluation boards like the
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BF5XX-STAMP or BF5XX-EZKIT.
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Note: This driver assumes that first ADAU1373 DAI is connected to the
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first SPORT port on the BF5XX board.
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config SND_SOC_BFIN_EVAL_ADAV80X
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tristate "Support for the EVAL-ADAV80X boards on Blackfin eval boards"
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depends on SND_BF5XX_I2S && (SPI_MASTER || I2C)
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select SND_BF5XX_SOC_I2S
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select SND_SOC_ADAV80X
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help
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Say Y if you want to add support for the Analog Devices EVAL-ADAV801 or
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EVAL-ADAV803 board connected to one of the Blackfin evaluation boards
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like the BF5XX-STAMP or BF5XX-EZKIT.
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Note: This driver assumes that the ADAV80X digital record and playback
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interfaces are connected to the first SPORT port on the BF5XX board.
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config SND_BF5XX_SOC_AD1836
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tristate "SoC AD1836 Audio support for BF5xx"
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depends on SND_BF5XX_I2S
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select SND_BF5XX_SOC_I2S
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select SND_SOC_AD1836
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help
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Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
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config SND_BF5XX_SOC_AD193X
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tristate "SoC AD193X Audio support for Blackfin"
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depends on SND_BF5XX_I2S
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select SND_BF5XX_SOC_I2S
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select SND_SOC_AD193X_I2C if I2C
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select SND_SOC_AD193X_SPI if SPI_MASTER
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help
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Say Y if you want to add support for AD193X codec on Blackfin.
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This driver supports AD1936, AD1937, AD1938 and AD1939.
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config SND_BF5XX_SOC_AD73311
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tristate "SoC AD73311 Audio support for Blackfin"
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depends on SND_BF5XX_I2S
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select SND_BF5XX_SOC_I2S
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select SND_SOC_AD73311
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help
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Say Y if you want to add support for AD73311 codec on Blackfin.
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config SND_BFIN_AD73311_SE
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int "PF pin for AD73311L Chip Select"
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depends on SND_BF5XX_SOC_AD73311
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default 4
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help
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Enter the GPIO used to control AD73311's SE pin. Acceptable
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values are 0 to 7
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config SND_BF5XX_AC97
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tristate "SoC AC97 Audio for the ADI BF5xx chip"
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depends on BLACKFIN
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select AC97_BUS
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select SND_SOC_AC97_BUS
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select SND_BF5XX_SOC_SPORT
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select SND_BF5XX_SOC_AC97
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help
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Say Y or M if you want to add support for codecs attached to
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the Blackfin SPORT (synchronous serial ports) interface in slot 16
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mode (pseudo AC97 interface).
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You will also need to select the audio interfaces to support below.
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Note:
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AC97 codecs which do not implement the slot-16 mode will not function
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properly with this driver. This driver is known to work with the
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Analog Devices line of AC97 codecs.
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config SND_BF5XX_MMAP_SUPPORT
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bool "Enable MMAP Support"
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depends on SND_BF5XX_AC97
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default y
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help
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Say y if you want AC97 driver to support mmap mode.
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We introduce an intermediate buffer to simulate mmap.
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config SND_BF5XX_MULTICHAN_SUPPORT
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bool "Enable Multichannel Support"
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depends on SND_BF5XX_AC97
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default n
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help
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Say y if you want AC97 driver to support up to 5.1 channel audio.
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this mode will consume much more memory for DMA.
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config SND_BF5XX_HAVE_COLD_RESET
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bool "BOARD has COLD Reset GPIO"
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depends on SND_BF5XX_AC97
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default y if BFIN548_EZKIT
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default n if !BFIN548_EZKIT
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config SND_BF5XX_RESET_GPIO_NUM
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int "Set a GPIO for cold reset"
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depends on SND_BF5XX_HAVE_COLD_RESET
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range 0 159
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default 19 if BFIN548_EZKIT
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default 5 if BFIN537_STAMP
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default 0
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help
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Set the correct GPIO for RESET the sound chip.
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config SND_BF5XX_SOC_AD1980
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tristate "SoC AD1980/1 Audio support for BF5xx (Obsolete)"
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depends on SND_BF5XX_AC97
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select SND_BF5XX_SOC_AC97
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select SND_SOC_AD1980
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help
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Say Y if you want to add support for SoC audio on BF5xx STAMP/EZKIT.
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Warning:
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Because Analog Devices Inc. discontinued the ad1980 sound chip since
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Sep. 2009, this ad1980 driver is not maintained, tested and supported
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by ADI now.
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config SND_BF5XX_SOC_SPORT
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tristate
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config SND_BF6XX_SOC_SPORT
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tristate
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config SND_BF5XX_SOC_I2S
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tristate
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config SND_BF6XX_SOC_I2S
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tristate
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config SND_BF5XX_SOC_AC97
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tristate
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config SND_BF5XX_SPORT_NUM
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int "Set a SPORT for Sound chip"
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depends on (SND_BF5XX_SOC_SPORT || SND_BF6XX_SOC_SPORT)
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range 0 3 if BF54x
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range 0 1 if !BF54x
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default 0
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help
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Set the correct SPORT for sound chip.
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