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Tue, 17 Jan 2023 19:01:40 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20230116103856epcas5p3dea4b4a1e6073257c66b7562f263b5b1~6w9ZRBb_11961519615epcas5p3F; Mon, 16 Jan 2023 10:38:56 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20230116103856epsmtrp12850d3beb00a71dafa28ffefe08f4ac9~6w9ZQHjqK2177121771epsmtrp1O; Mon, 16 Jan 2023 10:38:56 +0000 (GMT) X-AuditID: b6c32a49-201ff700000108fd-42-63c67204d94c Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id E6.F8.10542.04925C36; Mon, 16 Jan 2023 19:38:56 +0900 (KST) Received: from cheetah.sa.corp.samsungelectronics.net (unknown [107.109.115.53]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20230116103854epsmtip11cd3f6db3ef6b880833cddc265a5d32a~6w9W7RZFY0462804628epsmtip1-; Mon, 16 Jan 2023 10:38:54 +0000 (GMT) From: Padmanabhan Rajanbabu To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, s.nawrocki@samsung.com, perex@perex.cz, tiwai@suse.com, pankaj.dubey@samsung.com, alim.akhtar@samsung.com, rcsekar@samsung.com, aswani.reddy@samsung.com Cc: alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Padmanabhan Rajanbabu Subject: [PATCH v4 2/5] ASoC: samsung: i2s: add support for FSD I2S Date: Mon, 16 Jan 2023 16:08:20 +0530 Message-Id: <20230116103823.90757-3-p.rajanbabu@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230116103823.90757-1-p.rajanbabu@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprNJsWRmVeSWpSXmKPExsWy7bCmui5L0bFkg3MvrSwezNvGZnHl4iEm i0Obt7JbTH34hM1i/pFzrBZ9Lx4yW3y70sFkcXnXHDaLGef3MVkc3RhssWjrF3aLzl39rBaz LuxgtWjde4Td4vCbdlaLDd/XMjoIeGz43MTmsXPWXXaPTas62TzuXNvD5rHv7TI2j74tqxg9 1m+5yuLxeZNcAEdUtk1GamJKapFCal5yfkpmXrqtkndwvHO8qZmBoa6hpYW5kkJeYm6qrZKL T4CuW2YO0AdKCmWJOaVAoYDE4mIlfTubovzSklSFjPziElul1IKUnAKTAr3ixNzi0rx0vbzU EitDAwMjU6DChOyMo1Ousxc8Vq5ofnmWuYHxsGwXIyeHhICJxL/ZzWxdjFwcQgK7GSUmLNnE 2sXIAeR8YpQ4pQgR/8wo8WjhFiaYhieXDkI17GKU6Fl5jwnCaWWSWLJxDTtIFZuAqcSqOY2s IAkRgSYmibY3E1lAHGaBjYwSp489BJslLOAsceHid7B9LAKqEv82GYOEeQVsJC5f7oNaJy+x esMBZhCbU8BW4uveG8wgcyQEFnJInJ/3mB2iyEXi2ORNULawxKvjW6BsKYmX/W1Qdr7EtI8g j4LYFRJtHzdALbCXOHBlDgvIDcwCmhLrd+lDhGUlpp5aB1bCLMAn0fv7CVQ5r8SOeTC2qsT6 5ZsYIWxpiX3X90LZHhIHZ1+BhsoERolZS8+zTGCUm4WwYgEj4ypGydSC4tz01GLTAsO81HJ4 rCXn525iBKdSLc8djHcffNA7xMjEwXiIUYKDWUmE12/X4WQh3pTEyqrUovz4otKc1OJDjKbA 8JvILCWanA9M5nkl8YYmlgYmZmZmJpbGZoZK4rypW+cnCwmkJ5akZqemFqQWwfQxcXBKNTAp LT8ltD1Ov1vw/s2Oi3qbfj5X3CtnxxgZ/nDx2tYIh98njl41elG6ujPho8aEyaYS06QOvt74 M0dNf2NFxVauhbkHyxXlNhx5WO7NZhR5/sNSZVOOZ8ftK9/7f5FiC+Mw+rHl+4q3QaqBvUtu W9b1bGfYuU5y+To17Vf9bz+ur15WqVm8vr9/ok792n/tP1dfYcla+t4ruj6Vo2mu4wmlJRen zG5nrVCaYFi2S//lQbPlbH9vup19dOPw962WRxraLdas0gtN4wpvWcx/8xLL9rBr9scWPX15 MTln2/qob4829Ryq3nMm/+bDyutOqja9ykaf7/jcnL6vd2eiZ/K+tTsXerU+6j81da56/qOt ekosxRmJhlrMRcWJAC29pI8uBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrELMWRmVeSWpSXmKPExsWy7bCSnK6D5tFkg85lqhYP5m1js7hy8RCT xaHNW9ktpj58wmYx/8g5Vou+Fw+ZLb5d6WCyuLxrDpvFjPP7mCyObgy2WLT1C7tF565+VotZ F3awWrTuPcJucfhNO6vFhu9rGR0EPDZ8bmLz2DnrLrvHplWdbB53ru1h89j3dhmbR9+WVYwe 67dcZfH4vEkugCOKyyYlNSezLLVI3y6BK+PolOvsBY+VK5pfnmVuYDws28XIySEhYCLx5NJB ti5GLg4hgR2MElvWTWWESEhLTO/fwwZhC0us/PecHaKomUni5OXZ7CAJNgFTiVVzGllBEiIC E4AS746xgCSYBbYySkz9bARiCws4S1y4+B2oiIODRUBV4t8mY5Awr4CNxOXLfUwQC+QlVm84 wAxicwrYSnzdewPMFgKqeTLhPOMERr4FjAyrGCVTC4pz03OLDQuM8lLL9YoTc4tL89L1kvNz NzGCg11LawfjnlUf9A4xMnEwHmKU4GBWEuH123U4WYg3JbGyKrUoP76oNCe1+BCjNAeLkjjv ha6T8UIC6YklqdmpqQWpRTBZJg5OqQam2PJ1545N/N2+vDReJWXjFLPnm50/b9iconl+tuc/ sw/GkVMX+GVrfd9j3X3gufyu4vzLv+J+Osx8mvn37cnrp9gnzohd3dB3VNZh2tzG8IezZ7Gb JUetUVwqub+zTejgdHPWsvjUHU+FCplXrE5+cTAy9+lkF+HJNU+d5l35ue7ZrvU1+itvLOcz 0xaMnfvr4fMTS/bFXwsTuM+lLtERPiHzjll6w9v+U4tDb80M+f7tuxbHE4/d7kKXrOaEdHkm swd+qWE6XCefqPisPKbH0kizfMtSg6TL/0N73B6ZPJj4O+jFhlyDY8wrnn3yfMlRF7ZpEWvm k4P1AZmaPy62x/18aHlNjj0k8duny5JvzZRYijMSDbWYi4oTAZSwgF/lAgAA X-CMS-MailID: 20230116103856epcas5p3dea4b4a1e6073257c66b7562f263b5b1 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20230116103856epcas5p3dea4b4a1e6073257c66b7562f263b5b1 References: <20230116103823.90757-1-p.rajanbabu@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Add support for enabling I2S controller on FSD platform. FSD I2S controller is based on Exynos7 I2S controller, supporting 2CH playback/capture in I2S mode and 7.1CH playback/capture in TDM mode. Signed-off-by: Padmanabhan Rajanbabu --- sound/soc/samsung/i2s-regs.h | 1 + sound/soc/samsung/i2s.c | 53 ++++++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/sound/soc/samsung/i2s-regs.h b/sound/soc/samsung/i2s-regs.h index b4b5d6053503..138e95581979 100644 --- a/sound/soc/samsung/i2s-regs.h +++ b/sound/soc/samsung/i2s-regs.h @@ -132,6 +132,7 @@ #define EXYNOS7_MOD_RCLK_192FS 7 #define PSR_PSREN (1 << 15) +#define PSR_PSVAL(x) ((((x) - 1) << 8) & 0x3f00) #define FIC_TX2COUNT(x) (((x) >> 24) & 0xf) #define FIC_TX1COUNT(x) (((x) >> 16) & 0xf) diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 9505200f3d11..6f96032090de 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -50,6 +50,10 @@ struct samsung_i2s_dai_data { u32 quirks; unsigned int pcm_rates; const struct samsung_i2s_variant_regs *i2s_variant_regs; + void (*fixup_early)(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); + void (*fixup_late)(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); }; struct i2s_dai { @@ -111,6 +115,10 @@ struct samsung_i2s_priv { u32 suspend_i2spsr; const struct samsung_i2s_variant_regs *variant_regs; + void (*fixup_early)(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); + void (*fixup_late)(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai); u32 quirks; /* The clock provider's data */ @@ -940,6 +948,10 @@ static int i2s_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: pm_runtime_get_sync(dai->dev); + + if (priv->fixup_early) + priv->fixup_early(substream, dai); + spin_lock_irqsave(&priv->lock, flags); if (config_setup(i2s)) { @@ -947,6 +959,9 @@ static int i2s_trigger(struct snd_pcm_substream *substream, return -EINVAL; } + if (priv->fixup_late) + priv->fixup_late(substream, dai); + if (capture) i2s_rxctrl(i2s, 1); else @@ -1410,6 +1425,8 @@ static int samsung_i2s_probe(struct platform_device *pdev) if (np) { priv->quirks = i2s_dai_data->quirks; + priv->fixup_early = i2s_dai_data->fixup_early; + priv->fixup_late = i2s_dai_data->fixup_late; } else { if (!i2s_pdata) { dev_err(&pdev->dev, "Missing platform data\n"); @@ -1563,6 +1580,31 @@ static int samsung_i2s_remove(struct platform_device *pdev) return 0; } +static void fsd_i2s_fixup_early(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct i2s_dai *i2s = to_info(asoc_rtd_to_cpu(rtd, 0)); + struct i2s_dai *other = get_other_dai(i2s); + + if (!is_opened(other)) { + i2s_set_sysclk(dai, SAMSUNG_I2S_CDCLK, 0, SND_SOC_CLOCK_OUT); + i2s_set_sysclk(dai, SAMSUNG_I2S_OPCLK, 0, MOD_OPCLK_PCLK); + } +} + +static void fsd_i2s_fixup_late(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); + struct samsung_i2s_priv *priv = snd_soc_dai_get_drvdata(dai); + struct i2s_dai *i2s = to_info(asoc_rtd_to_cpu(rtd, 0)); + struct i2s_dai *other = get_other_dai(i2s); + + if (!is_opened(other)) + writel(PSR_PSVAL(2) | PSR_PSREN, priv->addr + I2SPSR); +} + static const struct samsung_i2s_variant_regs i2sv3_regs = { .bfs_off = 1, .rfs_off = 3, @@ -1652,6 +1694,14 @@ static const struct samsung_i2s_dai_data i2sv5_dai_type_i2s1 __maybe_unused = { .i2s_variant_regs = &i2sv5_i2s1_regs, }; +static const struct samsung_i2s_dai_data fsd_dai_type __maybe_unused = { + .quirks = QUIRK_SEC_DAI | QUIRK_NEED_RSTCLR | QUIRK_SUPPORTS_TDM, + .pcm_rates = SNDRV_PCM_RATE_8000_192000, + .i2s_variant_regs = &i2sv7_regs, + .fixup_early = fsd_i2s_fixup_early, + .fixup_late = fsd_i2s_fixup_late, +}; + static const struct platform_device_id samsung_i2s_driver_ids[] = { { .name = "samsung-i2s", @@ -1678,6 +1728,9 @@ static const struct of_device_id exynos_i2s_match[] = { }, { .compatible = "samsung,exynos7-i2s1", .data = &i2sv5_dai_type_i2s1, + }, { + .compatible = "tesla,fsd-i2s", + .data = &fsd_dai_type, }, {}, };