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Change prototype of tegra_asoc_utils_init to pass snd_soc_card handle.
It is needed to move common tegra machine driver codes to
tegra_asoc_utils interface.
Bug 968814
Change-Id: I98490ffdda51cf7d0b89adadb23c31892183bc0e
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-on: http://git-master/r/97914
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
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bug 949219
Change-Id: I52969e8dd1a5ed4dc76ac360ec08b0afb18cd4a5
Signed-off-by: Sanjay Singh Rawat <srawat@nvidia.com>
Reviewed-on: http://git-master/r/92833
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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Change-Id: I0b2b50c007d9e7b722b2c4bbc0282c51a8d18b00
Reviewed-on: http://git-master/r/88239
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
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Support I2S slave mode. Disable pll_p_out1 and
pll_a to reduce power when in slave mode.
Slave mode disabled by default.
Reviewed-on: http://git-master/r/76046
Change-Id: I873a11d54f1e037d99c86ff4cec06ee83064902a
Signed-off-by: ScottPeterson <speterson@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-on: http://git-master/r/77765
Reviewed-by: Automatic_Commit_Validation_User
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Expose a new API to lock pll_a, pll_a_out0 and mclk rates. Any dai-link
which sets any of these clocks should call this API from hwparam() to
lock these rates and should release the lock once dai-link shutdown
is called. When lock is held by any dai-link request for change in any
of these clocks will not be granted.
Bug 872652
Change-Id: I583b4849acde7e588531e60c6c5cd5156badb4f2
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-on: http://git-master/r/63828
Reviewed-by: Scott Peterson <speterson@nvidia.com>
Rebase-Id: R044806997c82a11115a6a110196ac82402aceca5
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add code to enable/disable pll_a and cdev1 clocks
Bug: 862023
Change-Id: If5b6014f82651e2286802ba6d76f77b1b5419b41
Signed-off-by: Nikesh Oswal <noswal@nvidia.com>
Reviewed-on: http://git-master/r/61085
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Rebase-Id: Rddb3206531e76e7ea28df691f6aa86a50f7c66d0
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Tegra30 has some additional clocks that need to be manipulated, names
some clocks differently, runs PLLs at different base rates, etc. The
utility code needs to handle this.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Rebase-Id: R295313c25d9eae15a7cc423953f50f9132790c9e
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Only the clock programming code needs to know whether the clocks changed,
and that is encapsulated within tegra_asoc_utils_set_rate(). The machine
driver's call to snd_soc_dai_set_sysclk(codec_dai, ...) is safe
irrespective of whether the clocks changed.
(Applying Mark's TrimSlice review comments to the existing driver)
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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The utilities will be required by every machine driver. Including the
utility object directly into every machine driver causes a build failure
if the modules are actually built into the kernel, since each will define
the symbols exported by the utility file. Solve this by moving the
utility object into a separate module.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Instead, have the machine driver provide storage for the utility data
somehow.
For Harmony in particular, store this within struct tegra_harmony, itself
referenced by snd_soc_card's drvdata.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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A recent discussion on linux-arm-kernel noted that the value returned by
clk_get_sys is an opaque token, and not strictly a pointer; it is
meaningful only to the clock API, clients should not dereference the value,
and the clock API must accept any non-IS_ERR value it returned.
Hence, only IS_ERR is appropriate to interpret the result, not
IS_ERR_OR_NULL.
I checked that clk_get_sys in both ASoC's for-next and Tegra's for-next
do behave as described; NULL is not returned in the case of error.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Many portions of Tegra ASoC machine drivers will be similar or identical.
To avoid cut/paste, this file will act as a repository for all that common
code. For now, it solely includes code to reprogram the audio PLL for
44.1KHz- vs. 48KHz-based sample rates.
Signed-Off-By: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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