From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: alsa-devel@alsa-project.org
Cc: Rob Herring <robh+dt@kernel.org>,
linux-gpio@vger.kernel.org, tiwai@suse.de,
Linus Walleij <linus.walleij@linaro.org>,
Stephen Boyd <sboyd@kernel.org>,
Daniel Matuschek <daniel@hifiberry.com>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Hui Wang <hui.wang@canonical.com>,
Matthias Reichl <hias@horus.com>,
broonie@kernel.org,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Michael Turquette <mturquette@baylibre.com>,
linux-clk@vger.kernel.org
Subject: [RFC PATCH 04/16] ASoC: Intel: sof-pcm512x: detect Hifiberry DAC+ PRO
Date: Thu, 9 Apr 2020 14:58:29 -0500 [thread overview]
Message-ID: <20200409195841.18901-5-pierre-louis.bossart@linux.intel.com> (raw)
In-Reply-To: <20200409195841.18901-1-pierre-louis.bossart@linux.intel.com>
Try to detect HifiBerry 44.1 and 48kHz oscillators on codec init
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
sound/soc/intel/boards/sof_pcm512x.c | 55 ++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/sound/soc/intel/boards/sof_pcm512x.c b/sound/soc/intel/boards/sof_pcm512x.c
index dcd769b352fa..c1d2a53c1ec8 100644
--- a/sound/soc/intel/boards/sof_pcm512x.c
+++ b/sound/soc/intel/boards/sof_pcm512x.c
@@ -46,6 +46,8 @@ struct sof_card_private {
struct list_head hdmi_pcm_list;
bool idisp_codec;
struct gpio_desc *gpio_4;
+ struct clk *sclk;
+ bool is_dac_pro;
};
static int sof_pcm512x_quirk_cb(const struct dmi_system_id *id)
@@ -87,6 +89,59 @@ static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
static int sof_pcm512x_codec_init(struct snd_soc_pcm_runtime *rtd)
{
+ struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+ struct device *dev = rtd->card->dev;
+ unsigned int sck;
+ int ret;
+
+ ctx->sclk = devm_clk_get(rtd->card->dev, "sclk");
+ if (IS_ERR(ctx->sclk)) {
+ dev_info(dev, "Could not get SCLK, will operate in SOC master mode\n");
+ goto skip_dacpro;
+ }
+
+ /*
+ * now we have a clk, see if it's really present or if we are on
+ * plain vanilla DAC+
+ */
+
+ /* Try 48 kHz */
+ clk_set_rate(ctx->sclk, 24576000UL);
+ ret = clk_prepare_enable(ctx->sclk);
+ if (ret) {
+ dev_info(dev, "Failed to enable SCLK for DAC+ PRO 48 kHz: %d\n", ret);
+ goto skip_dacpro;
+ }
+
+ snd_soc_component_read(rtd->codec_dai->component,
+ PCM512x_RATE_DET_4, &sck);
+ clk_disable_unprepare(ctx->sclk);
+ if (sck & 0x40) {
+ dev_info(dev, "No SCLK detected for DAC+ PRO 48 kHz\n");
+ goto skip_dacpro;
+ }
+
+ /* Try 44.1 kHz */
+ clk_set_rate(ctx->sclk, 22579200UL);
+ ret = clk_prepare_enable(ctx->sclk);
+ if (ret) {
+ dev_info(dev, "Failed to enable SCLK for DAC+ PRO 44.1 kHz: %d\n", ret);
+ goto skip_dacpro;
+ }
+
+ snd_soc_component_read(rtd->codec_dai->component,
+ PCM512x_RATE_DET_4, &sck);
+ clk_disable_unprepare(ctx->sclk);
+
+ if (sck & 0x40) {
+ dev_info(dev, "No SCLK detected for DAC+ PRO 44.1 kHz\n");
+ goto skip_dacpro;
+ }
+
+ dev_info(dev, "DAC+ PRO detected\n");
+ ctx->is_dac_pro = true;
+
+skip_dacpro:
return 0;
}
--
2.20.1
next prev parent reply other threads:[~2020-04-09 20:01 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-09 19:58 [RFC PATCH 00/16] ASoC/SOF/clk/gpio/dt: add Hifiberry DAC+ PRO support Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 01/16] ASoC: pcm512x: expose 6 GPIOs Pierre-Louis Bossart
2020-04-14 17:09 ` Andy Shevchenko
2020-04-14 17:52 ` Pierre-Louis Bossart
2020-04-15 9:49 ` Andy Shevchenko
2020-04-16 11:42 ` Linus Walleij
2020-04-16 14:25 ` Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 02/16] ASoC: pcm512x: use "sclk" string to retrieve clock Pierre-Louis Bossart
2020-04-14 17:11 ` Andy Shevchenko
2020-04-14 17:54 ` Pierre-Louis Bossart
2020-04-15 9:52 ` Andy Shevchenko
2020-04-15 14:19 ` Pierre-Louis Bossart
2020-04-15 15:10 ` Andy Shevchenko
2020-04-14 17:45 ` Mark Brown
2020-04-14 18:14 ` Pierre-Louis Bossart
2020-04-14 18:27 ` Mark Brown
2020-04-14 19:15 ` Pierre-Louis Bossart
2020-04-14 19:50 ` Mark Brown
2020-04-14 20:13 ` Pierre-Louis Bossart
2020-04-14 21:02 ` Pierre-Louis Bossart
2020-04-15 11:07 ` Mark Brown
2020-04-15 11:36 ` Mark Brown
2020-04-15 14:44 ` Pierre-Louis Bossart
2020-04-15 16:22 ` Mark Brown
2020-04-15 17:26 ` Pierre-Louis Bossart
2020-04-15 19:50 ` Mark Brown
2020-04-15 20:22 ` Pierre-Louis Bossart
2020-04-15 20:39 ` Mark Brown
2020-04-09 19:58 ` [RFC PATCH 03/16] ASoC: Intel: sof-pcm512x: use gpiod for LED Pierre-Louis Bossart
2020-04-14 17:17 ` Andy Shevchenko
2020-04-14 17:52 ` Mark Brown
2020-04-14 17:57 ` Pierre-Louis Bossart
2020-04-15 9:51 ` Andy Shevchenko
2020-04-09 19:58 ` Pierre-Louis Bossart [this message]
2020-04-14 17:20 ` [RFC PATCH 04/16] ASoC: Intel: sof-pcm512x: detect Hifiberry DAC+ PRO Andy Shevchenko
2020-04-14 18:02 ` Pierre-Louis Bossart
2020-04-15 9:55 ` Andy Shevchenko
2020-04-15 14:07 ` Pierre-Louis Bossart
2020-04-15 15:05 ` Andy Shevchenko
2020-04-09 19:58 ` [RFC PATCH 05/16] ASoC: Intel: sof-pcm512x: reconfigure sclk in hw_params if needed Pierre-Louis Bossart
2020-04-14 17:24 ` Andy Shevchenko
2020-04-14 18:06 ` Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 06/16] ASoC: Intel: sof-pcm512x: select HIFIBERRY_DACPRO clk Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 07/16] clk: hifiberry-dacpro: initial import Pierre-Louis Bossart
2020-04-14 17:31 ` Andy Shevchenko
2020-04-14 18:09 ` Pierre-Louis Bossart
2020-04-15 10:00 ` Andy Shevchenko
2020-04-09 19:58 ` [RFC PATCH 08/16] clk: hifiberry-dacpro: update SDPX/copyright Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 09/16] clk: hifiberry-dacpro: style cleanups, use devm_ Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 10/16] clk: hifiberry-dacpro: add OF dependency Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 11/16] clk: hifiberry-dacpro: transition to _hw functions Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 12/16] clk: hifiberry-dacpro: add ACPI support Pierre-Louis Bossart
2020-04-22 9:32 ` Stephen Boyd
2020-04-22 9:47 ` Andy Shevchenko
2020-04-22 9:54 ` Pierre-Louis Bossart
2020-04-22 20:52 ` Stephen Boyd
2020-04-22 21:08 ` Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 13/16] clk: hifiberry-dacpro: add "sclk" lookup Pierre-Louis Bossart
2020-04-22 9:35 ` Stephen Boyd
2020-04-22 9:51 ` Pierre-Louis Bossart
2020-04-22 11:54 ` Andy Shevchenko
2020-04-09 19:58 ` [RFC PATCH 14/16] clk: hifiberry-dacpro: toggle GPIOs on prepare/unprepare Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 15/16] clk: hifiberry-dacpro: add delay on clock prepare/deprepare Pierre-Louis Bossart
2020-04-09 19:58 ` [RFC PATCH 16/16] ASoC: dt-bindings: add document for Hifiberry DAC+ PRO clock Pierre-Louis Bossart
2020-04-14 17:27 ` Andy Shevchenko
2020-04-14 18:10 ` Pierre-Louis Bossart
2020-04-14 16:50 ` [RFC PATCH 00/16] ASoC/SOF/clk/gpio/dt: add Hifiberry DAC+ PRO support Andy Shevchenko
2020-04-14 16:57 ` Pierre-Louis Bossart
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