| Message ID | 1474067872-32699-2-git-send-email-john.stultz@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 09/17/2016 04:47 AM, John Stultz wrote: > This patch adds support to Audio for both adv7511 and adv7533 > bridge chips. > > This patch was originally from [1] by Lars-Peter Clausen <lars@metafoo.de> > and was adapted by Archit Taneja <architt@codeaurora.org> and > Srinivas Kandagatla <srinivas.kandagatla@linaro.org>. > > Then I heavily reworked it to use the hdmi-codec driver. And also > folded in some audio packet initialization done by Andy Green > <andy.green@linaro.org>. So credit to them, but blame to me. > > [1] https://github.com/analogdevicesinc/linux/blob/xcomm_zynq/drivers/gpu/drm/i2c/adv7511_audio.c > > Cc: David Airlie <airlied@linux.ie> > Cc: Archit Taneja <architt@codeaurora.org> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> > Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> > Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com> > Cc: Boris Brezillon <boris.brezillon@free-electrons.com> > Cc: Andy Green <andy@warmcat.com> > Cc: Dave Long <dave.long@linaro.org> > Cc: Guodong Xu <guodong.xu@linaro.org> > Cc: Zhangfei Gao <zhangfei.gao@linaro.org> > Cc: Mark Brown <broonie@kernel.org> > Cc: Lars-Peter Clausen <lars@metafoo.de> > Cc: Jose Abreu <joabreu@synopsys.com> > Cc: dri-devel@lists.freedesktop.org > Acked-by: Lars-Peter Clausen <lars@metafoo.de> > Signed-off-by: John Stultz <john.stultz@linaro.org> Reviewed-by: Archit Taneja <architt@codeaurora.org> > --- > v4: > * Kconfig tweaks suggested by Lars-Peter Clausen > v3: > * Allowed audio support to be configured in or out, as suggested by Laurent > * Minor cleanups suggested by Laurent > * Folded in Andy's audio packet initialization patch, as suggested by Archit > > drivers/gpu/drm/bridge/adv7511/Kconfig | 8 + > drivers/gpu/drm/bridge/adv7511/Makefile | 1 + > drivers/gpu/drm/bridge/adv7511/adv7511.h | 16 ++ > drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 213 +++++++++++++++++++++++++ > drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 4 + > 5 files changed, 242 insertions(+) > create mode 100644 drivers/gpu/drm/bridge/adv7511/adv7511_audio.c > > diff --git a/drivers/gpu/drm/bridge/adv7511/Kconfig b/drivers/gpu/drm/bridge/adv7511/Kconfig > index d2b0499..2fed567 100644 > --- a/drivers/gpu/drm/bridge/adv7511/Kconfig > +++ b/drivers/gpu/drm/bridge/adv7511/Kconfig > @@ -6,6 +6,14 @@ config DRM_I2C_ADV7511 > help > Support for the Analog Device ADV7511(W) and ADV7513 HDMI encoders. > > +config DRM_I2C_ADV7511_AUDIO > + bool "ADV7511 HDMI Audio driver" > + depends on DRM_I2C_ADV7511 && SND_SOC > + select SND_SOC_HDMI_CODEC > + help > + Support the ADV7511 HDMI Audio interface. This is used in > + conjunction with the AV7511 HDMI driver. > + > config DRM_I2C_ADV7533 > bool "ADV7533 encoder" > depends on DRM_I2C_ADV7511 > diff --git a/drivers/gpu/drm/bridge/adv7511/Makefile b/drivers/gpu/drm/bridge/adv7511/Makefile > index 9019327..5ba6755 100644 > --- a/drivers/gpu/drm/bridge/adv7511/Makefile > +++ b/drivers/gpu/drm/bridge/adv7511/Makefile > @@ -1,3 +1,4 @@ > adv7511-y := adv7511_drv.o > +adv7511-$(CONFIG_DRM_I2C_ADV7511_AUDIO) += adv7511_audio.o > adv7511-$(CONFIG_DRM_I2C_ADV7533) += adv7533.o > obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o > diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h > index 161c923..992d76c 100644 > --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h > +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h > @@ -309,6 +309,8 @@ struct adv7511 { > struct drm_display_mode curr_mode; > > unsigned int f_tmds; > + unsigned int f_audio; > + unsigned int audio_source; > > unsigned int current_edid_segment; > uint8_t edid_buf[256]; > @@ -334,6 +336,7 @@ struct adv7511 { > bool use_timing_gen; > > enum adv7511_type type; > + struct platform_device *audio_pdev; > }; > > #ifdef CONFIG_DRM_I2C_ADV7533 > @@ -389,4 +392,17 @@ static inline int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) > } > #endif > > +#ifdef CONFIG_DRM_I2C_ADV7511_AUDIO > +int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511); > +void adv7511_audio_exit(struct adv7511 *adv7511); > +#else /*CONFIG_DRM_I2C_ADV7511_AUDIO */ > +static inline int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) > +{ > + return 0; > +} > +static inline void adv7511_audio_exit(struct adv7511 *adv7511) > +{ > +} > +#endif /* CONFIG_DRM_I2C_ADV7511_AUDIO */ > + > #endif /* __DRM_I2C_ADV7511_H__ */ > diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c > new file mode 100644 > index 0000000..5ce29a5 > --- /dev/null > +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c > @@ -0,0 +1,213 @@ > +/* > + * Analog Devices ADV7511 HDMI transmitter driver > + * > + * Copyright 2012 Analog Devices Inc. > + * Copyright (c) 2016, Linaro Limited > + * > + * Licensed under the GPL-2. > + */ > + > +#include <sound/core.h> > +#include <sound/hdmi-codec.h> > +#include <sound/pcm.h> > +#include <sound/soc.h> > + > +#include "adv7511.h" > + > +static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs, > + unsigned int *cts, unsigned int *n) > +{ > + switch (fs) { > + case 32000: > + *n = 4096; > + break; > + case 44100: > + *n = 6272; > + break; > + case 48000: > + *n = 6144; > + break; > + } > + > + *cts = ((f_tmds * *n) / (128 * fs)) * 1000; > +} > + > +static int adv7511_update_cts_n(struct adv7511 *adv7511) > +{ > + unsigned int cts = 0; > + unsigned int n = 0; > + > + adv7511_calc_cts_n(adv7511->f_tmds, adv7511->f_audio, &cts, &n); > + > + regmap_write(adv7511->regmap, ADV7511_REG_N0, (n >> 16) & 0xf); > + regmap_write(adv7511->regmap, ADV7511_REG_N1, (n >> 8) & 0xff); > + regmap_write(adv7511->regmap, ADV7511_REG_N2, n & 0xff); > + > + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL0, > + (cts >> 16) & 0xf); > + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL1, > + (cts >> 8) & 0xff); > + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL2, > + cts & 0xff); > + > + return 0; > +} > + > +int adv7511_hdmi_hw_params(struct device *dev, void *data, > + struct hdmi_codec_daifmt *fmt, > + struct hdmi_codec_params *hparms) > +{ > + struct adv7511 *adv7511 = dev_get_drvdata(dev); > + unsigned int audio_source, i2s_format = 0; > + unsigned int invert_clock; > + unsigned int rate; > + unsigned int len; > + > + switch (hparms->sample_rate) { > + case 32000: > + rate = ADV7511_SAMPLE_FREQ_32000; > + break; > + case 44100: > + rate = ADV7511_SAMPLE_FREQ_44100; > + break; > + case 48000: > + rate = ADV7511_SAMPLE_FREQ_48000; > + break; > + case 88200: > + rate = ADV7511_SAMPLE_FREQ_88200; > + break; > + case 96000: > + rate = ADV7511_SAMPLE_FREQ_96000; > + break; > + case 176400: > + rate = ADV7511_SAMPLE_FREQ_176400; > + break; > + case 192000: > + rate = ADV7511_SAMPLE_FREQ_192000; > + break; > + default: > + return -EINVAL; > + } > + > + switch (hparms->sample_width) { > + case 16: > + len = ADV7511_I2S_SAMPLE_LEN_16; > + break; > + case 18: > + len = ADV7511_I2S_SAMPLE_LEN_18; > + break; > + case 20: > + len = ADV7511_I2S_SAMPLE_LEN_20; > + break; > + case 24: > + len = ADV7511_I2S_SAMPLE_LEN_24; > + break; > + default: > + return -EINVAL; > + } > + > + switch (fmt->fmt) { > + case HDMI_I2S: > + audio_source = ADV7511_AUDIO_SOURCE_I2S; > + i2s_format = ADV7511_I2S_FORMAT_I2S; > + break; > + case HDMI_RIGHT_J: > + audio_source = ADV7511_AUDIO_SOURCE_I2S; > + i2s_format = ADV7511_I2S_FORMAT_RIGHT_J; > + break; > + case HDMI_LEFT_J: > + audio_source = ADV7511_AUDIO_SOURCE_I2S; > + i2s_format = ADV7511_I2S_FORMAT_LEFT_J; > + break; > + default: > + return -EINVAL; > + } > + > + invert_clock = fmt->bit_clk_inv; > + > + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_SOURCE, 0x70, > + audio_source << 4); > + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, BIT(6), > + invert_clock << 6); > + regmap_update_bits(adv7511->regmap, ADV7511_REG_I2S_CONFIG, 0x03, > + i2s_format); > + > + adv7511->audio_source = audio_source; > + > + adv7511->f_audio = hparms->sample_rate; > + > + adv7511_update_cts_n(adv7511); > + > + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG3, > + ADV7511_AUDIO_CFG3_LEN_MASK, len); > + regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG, > + ADV7511_I2C_FREQ_ID_CFG_RATE_MASK, rate << 4); > + regmap_write(adv7511->regmap, 0x73, 0x1); > + > + return 0; > +} > + > +static int audio_startup(struct device *dev, void *data) > +{ > + struct adv7511 *adv7511 = dev_get_drvdata(dev); > + > + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, > + BIT(7), 0); > + > + /* hide Audio infoframe updates */ > + regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE, > + BIT(5), BIT(5)); > + /* enable N/CTS, enable Audio sample packets */ > + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, > + BIT(5), BIT(5)); > + /* enable N/CTS */ > + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, > + BIT(6), BIT(6)); > + /* not copyrighted */ > + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG1, > + BIT(5), BIT(5)); > + /* enable audio infoframes */ > + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, > + BIT(3), BIT(3)); > + /* AV mute disable */ > + regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(0), > + BIT(7) | BIT(6), BIT(7)); > + /* use Audio infoframe updated info */ > + regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1), > + BIT(5), 0); > + return 0; > +} > + > +static void audio_shutdown(struct device *dev, void *data) > +{ > +} > + > +static const struct hdmi_codec_ops adv7511_codec_ops = { > + .hw_params = adv7511_hdmi_hw_params, > + .audio_shutdown = audio_shutdown, > + .audio_startup = audio_startup, > +}; > + > +static struct hdmi_codec_pdata codec_data = { > + .ops = &adv7511_codec_ops, > + .max_i2s_channels = 2, > + .i2s = 1, > +}; > + > +int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) > +{ > + adv7511->audio_pdev = platform_device_register_data(dev, > + HDMI_CODEC_DRV_NAME, > + PLATFORM_DEVID_AUTO, > + &codec_data, > + sizeof(codec_data)); > + return PTR_ERR_OR_ZERO(adv7511->audio_pdev); > +} > + > +void adv7511_audio_exit(struct adv7511 *adv7511) > +{ > + if (adv7511->audio_pdev) { > + platform_device_unregister(adv7511->audio_pdev); > + adv7511->audio_pdev = NULL; > + } > +} > diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > index ec8fb2e..d0b0c6a 100644 > --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c > @@ -1037,6 +1037,8 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) > goto err_unregister_cec; > } > > + adv7511_audio_init(dev, adv7511); > + > return 0; > > err_unregister_cec: > @@ -1058,6 +1060,8 @@ static int adv7511_remove(struct i2c_client *i2c) > > drm_bridge_remove(&adv7511->bridge); > > + adv7511_audio_exit(adv7511); > + > i2c_unregister_device(adv7511->i2c_edid); > > kfree(adv7511->edid); >
diff --git a/drivers/gpu/drm/bridge/adv7511/Kconfig b/drivers/gpu/drm/bridge/adv7511/Kconfig index d2b0499..2fed567 100644 --- a/drivers/gpu/drm/bridge/adv7511/Kconfig +++ b/drivers/gpu/drm/bridge/adv7511/Kconfig @@ -6,6 +6,14 @@ config DRM_I2C_ADV7511 help Support for the Analog Device ADV7511(W) and ADV7513 HDMI encoders. +config DRM_I2C_ADV7511_AUDIO + bool "ADV7511 HDMI Audio driver" + depends on DRM_I2C_ADV7511 && SND_SOC + select SND_SOC_HDMI_CODEC + help + Support the ADV7511 HDMI Audio interface. This is used in + conjunction with the AV7511 HDMI driver. + config DRM_I2C_ADV7533 bool "ADV7533 encoder" depends on DRM_I2C_ADV7511 diff --git a/drivers/gpu/drm/bridge/adv7511/Makefile b/drivers/gpu/drm/bridge/adv7511/Makefile index 9019327..5ba6755 100644 --- a/drivers/gpu/drm/bridge/adv7511/Makefile +++ b/drivers/gpu/drm/bridge/adv7511/Makefile @@ -1,3 +1,4 @@ adv7511-y := adv7511_drv.o +adv7511-$(CONFIG_DRM_I2C_ADV7511_AUDIO) += adv7511_audio.o adv7511-$(CONFIG_DRM_I2C_ADV7533) += adv7533.o obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h index 161c923..992d76c 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h @@ -309,6 +309,8 @@ struct adv7511 { struct drm_display_mode curr_mode; unsigned int f_tmds; + unsigned int f_audio; + unsigned int audio_source; unsigned int current_edid_segment; uint8_t edid_buf[256]; @@ -334,6 +336,7 @@ struct adv7511 { bool use_timing_gen; enum adv7511_type type; + struct platform_device *audio_pdev; }; #ifdef CONFIG_DRM_I2C_ADV7533 @@ -389,4 +392,17 @@ static inline int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) } #endif +#ifdef CONFIG_DRM_I2C_ADV7511_AUDIO +int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511); +void adv7511_audio_exit(struct adv7511 *adv7511); +#else /*CONFIG_DRM_I2C_ADV7511_AUDIO */ +static inline int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) +{ + return 0; +} +static inline void adv7511_audio_exit(struct adv7511 *adv7511) +{ +} +#endif /* CONFIG_DRM_I2C_ADV7511_AUDIO */ + #endif /* __DRM_I2C_ADV7511_H__ */ diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c new file mode 100644 index 0000000..5ce29a5 --- /dev/null +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c @@ -0,0 +1,213 @@ +/* + * Analog Devices ADV7511 HDMI transmitter driver + * + * Copyright 2012 Analog Devices Inc. + * Copyright (c) 2016, Linaro Limited + * + * Licensed under the GPL-2. + */ + +#include <sound/core.h> +#include <sound/hdmi-codec.h> +#include <sound/pcm.h> +#include <sound/soc.h> + +#include "adv7511.h" + +static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs, + unsigned int *cts, unsigned int *n) +{ + switch (fs) { + case 32000: + *n = 4096; + break; + case 44100: + *n = 6272; + break; + case 48000: + *n = 6144; + break; + } + + *cts = ((f_tmds * *n) / (128 * fs)) * 1000; +} + +static int adv7511_update_cts_n(struct adv7511 *adv7511) +{ + unsigned int cts = 0; + unsigned int n = 0; + + adv7511_calc_cts_n(adv7511->f_tmds, adv7511->f_audio, &cts, &n); + + regmap_write(adv7511->regmap, ADV7511_REG_N0, (n >> 16) & 0xf); + regmap_write(adv7511->regmap, ADV7511_REG_N1, (n >> 8) & 0xff); + regmap_write(adv7511->regmap, ADV7511_REG_N2, n & 0xff); + + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL0, + (cts >> 16) & 0xf); + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL1, + (cts >> 8) & 0xff); + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL2, + cts & 0xff); + + return 0; +} + +int adv7511_hdmi_hw_params(struct device *dev, void *data, + struct hdmi_codec_daifmt *fmt, + struct hdmi_codec_params *hparms) +{ + struct adv7511 *adv7511 = dev_get_drvdata(dev); + unsigned int audio_source, i2s_format = 0; + unsigned int invert_clock; + unsigned int rate; + unsigned int len; + + switch (hparms->sample_rate) { + case 32000: + rate = ADV7511_SAMPLE_FREQ_32000; + break; + case 44100: + rate = ADV7511_SAMPLE_FREQ_44100; + break; + case 48000: + rate = ADV7511_SAMPLE_FREQ_48000; + break; + case 88200: + rate = ADV7511_SAMPLE_FREQ_88200; + break; + case 96000: + rate = ADV7511_SAMPLE_FREQ_96000; + break; + case 176400: + rate = ADV7511_SAMPLE_FREQ_176400; + break; + case 192000: + rate = ADV7511_SAMPLE_FREQ_192000; + break; + default: + return -EINVAL; + } + + switch (hparms->sample_width) { + case 16: + len = ADV7511_I2S_SAMPLE_LEN_16; + break; + case 18: + len = ADV7511_I2S_SAMPLE_LEN_18; + break; + case 20: + len = ADV7511_I2S_SAMPLE_LEN_20; + break; + case 24: + len = ADV7511_I2S_SAMPLE_LEN_24; + break; + default: + return -EINVAL; + } + + switch (fmt->fmt) { + case HDMI_I2S: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_I2S; + break; + case HDMI_RIGHT_J: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_RIGHT_J; + break; + case HDMI_LEFT_J: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_LEFT_J; + break; + default: + return -EINVAL; + } + + invert_clock = fmt->bit_clk_inv; + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_SOURCE, 0x70, + audio_source << 4); + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, BIT(6), + invert_clock << 6); + regmap_update_bits(adv7511->regmap, ADV7511_REG_I2S_CONFIG, 0x03, + i2s_format); + + adv7511->audio_source = audio_source; + + adv7511->f_audio = hparms->sample_rate; + + adv7511_update_cts_n(adv7511); + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG3, + ADV7511_AUDIO_CFG3_LEN_MASK, len); + regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG, + ADV7511_I2C_FREQ_ID_CFG_RATE_MASK, rate << 4); + regmap_write(adv7511->regmap, 0x73, 0x1); + + return 0; +} + +static int audio_startup(struct device *dev, void *data) +{ + struct adv7511 *adv7511 = dev_get_drvdata(dev); + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, + BIT(7), 0); + + /* hide Audio infoframe updates */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE, + BIT(5), BIT(5)); + /* enable N/CTS, enable Audio sample packets */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(5), BIT(5)); + /* enable N/CTS */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(6), BIT(6)); + /* not copyrighted */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG1, + BIT(5), BIT(5)); + /* enable audio infoframes */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(3), BIT(3)); + /* AV mute disable */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(0), + BIT(7) | BIT(6), BIT(7)); + /* use Audio infoframe updated info */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1), + BIT(5), 0); + return 0; +} + +static void audio_shutdown(struct device *dev, void *data) +{ +} + +static const struct hdmi_codec_ops adv7511_codec_ops = { + .hw_params = adv7511_hdmi_hw_params, + .audio_shutdown = audio_shutdown, + .audio_startup = audio_startup, +}; + +static struct hdmi_codec_pdata codec_data = { + .ops = &adv7511_codec_ops, + .max_i2s_channels = 2, + .i2s = 1, +}; + +int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) +{ + adv7511->audio_pdev = platform_device_register_data(dev, + HDMI_CODEC_DRV_NAME, + PLATFORM_DEVID_AUTO, + &codec_data, + sizeof(codec_data)); + return PTR_ERR_OR_ZERO(adv7511->audio_pdev); +} + +void adv7511_audio_exit(struct adv7511 *adv7511) +{ + if (adv7511->audio_pdev) { + platform_device_unregister(adv7511->audio_pdev); + adv7511->audio_pdev = NULL; + } +} diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index ec8fb2e..d0b0c6a 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -1037,6 +1037,8 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) goto err_unregister_cec; } + adv7511_audio_init(dev, adv7511); + return 0; err_unregister_cec: @@ -1058,6 +1060,8 @@ static int adv7511_remove(struct i2c_client *i2c) drm_bridge_remove(&adv7511->bridge); + adv7511_audio_exit(adv7511); + i2c_unregister_device(adv7511->i2c_edid); kfree(adv7511->edid);