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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-01 21:44:08 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-01 21:44:08 -0400 |
| commit | 731c7d3a205ba89b475b2aa71b5f13dd6ae3de56 (patch) | |
| tree | d2b9c3e0a98b94dfc3e4e60e35622c0143ef4ed4 /drivers/gpu/drm/msm/hdmi/hdmi.c | |
| parent | 77a87824ed676ca8ff8482e4157d3adb284fd381 (diff) | |
| parent | 753e7c8cbd8c503b962294303c7b5e9ea8513443 (diff) | |
| download | blackbird-op-linux-731c7d3a205ba89b475b2aa71b5f13dd6ae3de56.tar.gz blackbird-op-linux-731c7d3a205ba89b475b2aa71b5f13dd6ae3de56.zip | |
Merge tag 'drm-for-v4.8' of git://people.freedesktop.org/~airlied/linux
Merge drm updates from Dave Airlie:
"This is the main drm pull request for 4.8.
I'm down with a cold at the moment so hopefully this isn't in too bad
a state, I finished pulling stuff last week mostly (nouveau fixes just
went in today), so only this message should be influenced by illness.
Apologies to anyone who's major feature I missed :-)
Core:
Lockless GEM BO freeing
Non-blocking atomic work
Documentation changes (rst/sphinx)
Prep for new fencing changes
Simple display helpers
Master/auth changes
Register/unregister rework
Loads of trivial patches/fixes.
New stuff:
ARM Mali display driver (not the 3D chip)
sii902x RGB->HDMI bridge
Panel:
Support for new panels
Improved backlight support
Bridge:
Convert ADV7511 to bridge driver
ADV7533 support
TC358767 (DSI/DPI to eDP) encoder chip support
i915:
BXT support enabled by default
GVT-g infrastructure
GuC command submission and fixes
BXT workarounds
SKL/BKL workarounds
Demidlayering device registration
Thundering herd fixes
Missing pci ids
Atomic updates
amdgpu/radeon:
ATPX improvements for better dGPU power control on PX systems
New power features for CZ/BR/ST
Pipelined BO moves and evictions in TTM
GPU scheduler improvements
GPU reset improvements
Overclocking on dGPUs with amdgpu
Polaris powermanagement enabled
nouveau:
GK20A/GM20B volt and clock improvements.
Initial support for GP100/GP104 GPUs, GP104 will not yet support
acceleration due to NVIDIA having not released firmware for them as of yet.
exynos:
Exynos5433 SoC with IOMMU support.
vc4:
Shader validation for branching
imx-drm:
Atomic mode setting conversion
Reworked DMFC FIFO allocation
External bridge support
analogix-dp:
RK3399 eDP support
Lots of fixes.
rockchip:
Lots of small fixes.
msm:
DT bindings cleanups
Shrinker and madvise support
ASoC HDMI codec support
tegra:
Host1x driver cleanups
SOR reworking for DP support
Runtime PM support
omapdrm:
PLL enhancements
Header refactoring
Gamma table support
arcgpu:
Simulator support
virtio-gpu:
Atomic modesetting fixes.
rcar-du:
Misc fixes.
mediatek:
MT8173 HDMI support
sti:
ASOC HDMI codec support
Minor fixes
fsl-dcu:
Suspend/resume support
Bridge support
amdkfd:
Minor fixes.
etnaviv:
Enable GPU clock gating
hisilicon:
Vblank and other fixes"
* tag 'drm-for-v4.8' of git://people.freedesktop.org/~airlied/linux: (1575 commits)
drm/nouveau/gr/nv3x: fix instobj write offsets in gr setup
drm/nouveau/acpi: fix lockup with PCIe runtime PM
drm/nouveau/acpi: check for function 0x1B before using it
drm/nouveau/acpi: return supported DSM functions
drm/nouveau/acpi: ensure matching ACPI handle and supported functions
drm/nouveau/fbcon: fix font width not divisible by 8
drm/amd/powerplay: remove enable_clock_power_gatings_tasks from initialize and resume events
drm/amd/powerplay: move clockgating to after ungating power in pp for uvd/vce
drm/amdgpu: add query device id and revision id into system info entry at CGS
drm/amdgpu: add new definition in bif header
drm/amd/powerplay: rename smum header guards
drm/amdgpu: enable UVD context buffer for older HW
drm/amdgpu: fix default UVD context size
drm/amdgpu: fix incorrect type of info_id
drm/amdgpu: make amdgpu_cgs_call_acpi_method as static
drm/amdgpu: comment out unused defaults_staturn_pro static const structure to fix the build
drm/amdgpu: enable UVD VM only on polaris
drm/amdgpu: increase timeout of IB test
drm/amdgpu: add destroy session when generate VCE destroy msg.
drm/amd: fix deadlock of job_list_lock V2
...
Diffstat (limited to 'drivers/gpu/drm/msm/hdmi/hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/msm/hdmi/hdmi.c | 117 |
1 files changed, 116 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c index 51b9ea552f97..973720792236 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi.c @@ -19,6 +19,7 @@ #include <linux/of_irq.h> #include <linux/of_gpio.h> +#include <sound/hdmi-codec.h> #include "hdmi.h" void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on) @@ -434,6 +435,111 @@ static int msm_hdmi_get_gpio(struct device_node *of_node, const char *name) return gpio; } +/* + * HDMI audio codec callbacks + */ +static int msm_hdmi_audio_hw_params(struct device *dev, void *data, + struct hdmi_codec_daifmt *daifmt, + struct hdmi_codec_params *params) +{ + struct hdmi *hdmi = dev_get_drvdata(dev); + unsigned int chan; + unsigned int channel_allocation = 0; + unsigned int rate; + unsigned int level_shift = 0; /* 0dB */ + bool down_mix = false; + + dev_dbg(dev, "%u Hz, %d bit, %d channels\n", params->sample_rate, + params->sample_width, params->cea.channels); + + switch (params->cea.channels) { + case 2: + /* FR and FL speakers */ + channel_allocation = 0; + chan = MSM_HDMI_AUDIO_CHANNEL_2; + break; + case 4: + /* FC, LFE, FR and FL speakers */ + channel_allocation = 0x3; + chan = MSM_HDMI_AUDIO_CHANNEL_4; + break; + case 6: + /* RR, RL, FC, LFE, FR and FL speakers */ + channel_allocation = 0x0B; + chan = MSM_HDMI_AUDIO_CHANNEL_6; + break; + case 8: + /* FRC, FLC, RR, RL, FC, LFE, FR and FL speakers */ + channel_allocation = 0x1F; + chan = MSM_HDMI_AUDIO_CHANNEL_8; + break; + default: + return -EINVAL; + } + + switch (params->sample_rate) { + case 32000: + rate = HDMI_SAMPLE_RATE_32KHZ; + break; + case 44100: + rate = HDMI_SAMPLE_RATE_44_1KHZ; + break; + case 48000: + rate = HDMI_SAMPLE_RATE_48KHZ; + break; + case 88200: + rate = HDMI_SAMPLE_RATE_88_2KHZ; + break; + case 96000: + rate = HDMI_SAMPLE_RATE_96KHZ; + break; + case 176400: + rate = HDMI_SAMPLE_RATE_176_4KHZ; + break; + case 192000: + rate = HDMI_SAMPLE_RATE_192KHZ; + break; + default: + dev_err(dev, "rate[%d] not supported!\n", + params->sample_rate); + return -EINVAL; + } + + msm_hdmi_audio_set_sample_rate(hdmi, rate); + msm_hdmi_audio_info_setup(hdmi, 1, chan, channel_allocation, + level_shift, down_mix); + + return 0; +} + +static void msm_hdmi_audio_shutdown(struct device *dev, void *data) +{ + struct hdmi *hdmi = dev_get_drvdata(dev); + + msm_hdmi_audio_info_setup(hdmi, 0, 0, 0, 0, 0); +} + +static const struct hdmi_codec_ops msm_hdmi_audio_codec_ops = { + .hw_params = msm_hdmi_audio_hw_params, + .audio_shutdown = msm_hdmi_audio_shutdown, +}; + +static struct hdmi_codec_pdata codec_data = { + .ops = &msm_hdmi_audio_codec_ops, + .max_i2s_channels = 8, + .i2s = 1, +}; + +static int msm_hdmi_register_audio_driver(struct hdmi *hdmi, struct device *dev) +{ + hdmi->audio_pdev = platform_device_register_data(dev, + HDMI_CODEC_DRV_NAME, + PLATFORM_DEVID_AUTO, + &codec_data, + sizeof(codec_data)); + return PTR_ERR_OR_ZERO(hdmi->audio_pdev); +} + static int msm_hdmi_bind(struct device *dev, struct device *master, void *data) { struct drm_device *drm = dev_get_drvdata(master); @@ -441,7 +547,7 @@ static int msm_hdmi_bind(struct device *dev, struct device *master, void *data) static struct hdmi_platform_config *hdmi_cfg; struct hdmi *hdmi; struct device_node *of_node = dev->of_node; - int i; + int i, err; hdmi_cfg = (struct hdmi_platform_config *) of_device_get_match_data(dev); @@ -468,6 +574,12 @@ static int msm_hdmi_bind(struct device *dev, struct device *master, void *data) return PTR_ERR(hdmi); priv->hdmi = hdmi; + err = msm_hdmi_register_audio_driver(hdmi, dev); + if (err) { + DRM_ERROR("Failed to attach an audio codec %d\n", err); + hdmi->audio_pdev = NULL; + } + return 0; } @@ -477,6 +589,9 @@ static void msm_hdmi_unbind(struct device *dev, struct device *master, struct drm_device *drm = dev_get_drvdata(master); struct msm_drm_private *priv = drm->dev_private; if (priv->hdmi) { + if (priv->hdmi->audio_pdev) + platform_device_unregister(priv->hdmi->audio_pdev); + msm_hdmi_destroy(priv->hdmi); priv->hdmi = NULL; } |

