From patchwork Mon Aug 30 01:10:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: sugar zhang X-Patchwork-Id: 504433 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B080C432BE for ; Mon, 30 Aug 2021 01:10:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 223F660E90 for ; Mon, 30 Aug 2021 01:10:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234218AbhH3BLa (ORCPT ); Sun, 29 Aug 2021 21:11:30 -0400 Received: from lucky1.263xmail.com ([211.157.147.131]:42434 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230047AbhH3BLa (ORCPT ); Sun, 29 Aug 2021 21:11:30 -0400 Received: from localhost (unknown [192.168.167.224]) by lucky1.263xmail.com (Postfix) with ESMTP id A7408C28C6; Mon, 30 Aug 2021 09:10:35 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P22031T140205919041280S1630285834273010_; Mon, 30 Aug 2021 09:10:35 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <318b81a2d5a5ecbf044fb8bda641a166> X-RL-SENDER: sugar.zhang@rock-chips.com X-SENDER: zxg@rock-chips.com X-LOGIN-NAME: sugar.zhang@rock-chips.com X-FST-TO: broonie@kernel.org X-RCPT-COUNT: 6 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Sugar Zhang To: broonie@kernel.org, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Sugar Zhang Subject: [PATCH v2 1/7] ASoC: rockchip: Add support for rv1126 pdm Date: Mon, 30 Aug 2021 09:10:26 +0800 Message-Id: <1630285832-28079-1-git-send-email-sugar.zhang@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1630285788-28002-1-git-send-email-sugar.zhang@rock-chips.com> References: <1630285788-28002-1-git-send-email-sugar.zhang@rock-chips.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch adds support for rv1126 pdm controller which redesign cic filiter for better performance. Signed-off-by: Sugar Zhang --- Changes in v2: None sound/soc/rockchip/rockchip_pdm.c | 76 +++++++++++++++++++++++++++++++++++---- sound/soc/rockchip/rockchip_pdm.h | 3 ++ 2 files changed, 73 insertions(+), 6 deletions(-) diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c index 38bd603..67634d1 100644 --- a/sound/soc/rockchip/rockchip_pdm.c +++ b/sound/soc/rockchip/rockchip_pdm.c @@ -24,6 +24,7 @@ enum rk_pdm_version { RK_PDM_RK3229, RK_PDM_RK3308, + RK_PDM_RV1126, }; struct rk_pdm_dev { @@ -121,6 +122,55 @@ static unsigned int get_pdm_ds_ratio(unsigned int sr) return ratio; } +static unsigned int get_pdm_cic_ratio(unsigned int clk) +{ + switch (clk) { + case 4096000: + case 5644800: + case 6144000: + return 0; + case 2048000: + case 2822400: + case 3072000: + return 1; + case 1024000: + case 1411200: + case 1536000: + return 2; + default: + return 1; + } +} + +static unsigned int samplerate_to_bit(unsigned int samplerate) +{ + switch (samplerate) { + case 8000: + case 11025: + case 12000: + return 0; + case 16000: + case 22050: + case 24000: + return 1; + case 32000: + return 2; + case 44100: + case 48000: + return 3; + case 64000: + case 88200: + case 96000: + return 4; + case 128000: + case 176400: + case 192000: + return 5; + default: + return 1; + } +} + static inline struct rk_pdm_dev *to_info(struct snd_soc_dai *dai) { return snd_soc_dai_get_drvdata(dai); @@ -166,7 +216,8 @@ static int rockchip_pdm_hw_params(struct snd_pcm_substream *substream, if (ret) return -EINVAL; - if (pdm->version == RK_PDM_RK3308) { + if (pdm->version == RK_PDM_RK3308 || + pdm->version == RK_PDM_RV1126) { rational_best_approximation(clk_out, clk_src, GENMASK(16 - 1, 0), GENMASK(16 - 1, 0), @@ -194,8 +245,18 @@ static int rockchip_pdm_hw_params(struct snd_pcm_substream *substream, PDM_CLK_FD_RATIO_MSK, val); } - val = get_pdm_ds_ratio(samplerate); - regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, PDM_DS_RATIO_MSK, val); + + if (pdm->version == RK_PDM_RV1126) { + val = get_pdm_cic_ratio(clk_out); + regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, PDM_CIC_RATIO_MSK, val); + val = samplerate_to_bit(samplerate); + regmap_update_bits(pdm->regmap, PDM_CTRL0, + PDM_SAMPLERATE_MSK, PDM_SAMPLERATE(val)); + } else { + val = get_pdm_ds_ratio(samplerate); + regmap_update_bits(pdm->regmap, PDM_CLK_CTRL, PDM_DS_RATIO_MSK, val); + } + regmap_update_bits(pdm->regmap, PDM_HPF_CTRL, PDM_HPF_CF_MSK, PDM_HPF_60HZ); regmap_update_bits(pdm->regmap, PDM_HPF_CTRL, @@ -441,9 +502,10 @@ static bool rockchip_pdm_precious_reg(struct device *dev, unsigned int reg) } static const struct reg_default rockchip_pdm_reg_defaults[] = { - {0x04, 0x78000017}, - {0x08, 0x0bb8ea60}, - {0x18, 0x0000001f}, + { PDM_CTRL0, 0x78000017 }, + { PDM_CTRL1, 0x0bb8ea60 }, + { PDM_CLK_CTRL, 0x0000e401 }, + { PDM_DMA_CTRL, 0x0000001f }, }; static const struct regmap_config rockchip_pdm_regmap_config = { @@ -469,6 +531,8 @@ static const struct of_device_id rockchip_pdm_match[] __maybe_unused = { .data = (void *)RK_PDM_RK3308 }, { .compatible = "rockchip,rk3308-pdm", .data = (void *)RK_PDM_RK3308 }, + { .compatible = "rockchip,rv1126-pdm", + .data = (void *)RK_PDM_RV1126 }, {}, }; MODULE_DEVICE_TABLE(of, rockchip_pdm_match); diff --git a/sound/soc/rockchip/rockchip_pdm.h b/sound/soc/rockchip/rockchip_pdm.h index 8e5bbaf..13bfbc2 100644 --- a/sound/soc/rockchip/rockchip_pdm.h +++ b/sound/soc/rockchip/rockchip_pdm.h @@ -41,6 +41,8 @@ #define PDM_PATH1_EN BIT(28) #define PDM_PATH0_EN BIT(27) #define PDM_HWT_EN BIT(26) +#define PDM_SAMPLERATE_MSK GENMASK(7, 5) +#define PDM_SAMPLERATE(x) ((x) << 5) #define PDM_VDW_MSK (0x1f << 0) #define PDM_VDW(X) ((X - 1) << 0) @@ -66,6 +68,7 @@ #define PDM_CLK_1280FS (0x2 << 0) #define PDM_CLK_2560FS (0x3 << 0) #define PDM_CLK_5120FS (0x4 << 0) +#define PDM_CIC_RATIO_MSK (0x3 << 0) /* PDM HPF CTRL */ #define PDM_HPF_LE BIT(3) From patchwork Mon Aug 30 01:10:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: sugar zhang X-Patchwork-Id: 504432 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9238EC432BE for ; Mon, 30 Aug 2021 01:10:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 745AE60FBF for ; Mon, 30 Aug 2021 01:10:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235479AbhH3BLe (ORCPT ); Sun, 29 Aug 2021 21:11:34 -0400 Received: from lucky1.263xmail.com ([211.157.147.135]:50970 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231401AbhH3BLe (ORCPT ); Sun, 29 Aug 2021 21:11:34 -0400 Received: from localhost (unknown [192.168.167.224]) by lucky1.263xmail.com (Postfix) with ESMTP id AC273B2E55; Mon, 30 Aug 2021 09:10:39 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P22031T140205919041280S1630285834273010_; Mon, 30 Aug 2021 09:10:38 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <1ffff40bd4e8d67e921aa133994d4695> X-RL-SENDER: sugar.zhang@rock-chips.com X-SENDER: zxg@rock-chips.com X-LOGIN-NAME: sugar.zhang@rock-chips.com X-FST-TO: broonie@kernel.org X-RCPT-COUNT: 6 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Sugar Zhang To: broonie@kernel.org, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Sugar Zhang Subject: [PATCH v2 4/7] ASoC: dt-bindings: rockchip: Add binding for rk3568 pdm Date: Mon, 30 Aug 2021 09:10:29 +0800 Message-Id: <1630285832-28079-4-git-send-email-sugar.zhang@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1630285788-28002-1-git-send-email-sugar.zhang@rock-chips.com> References: <1630285788-28002-1-git-send-email-sugar.zhang@rock-chips.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patch documents for rk3568 pdm. Signed-off-by: Sugar Zhang --- Changes in v2: None Documentation/devicetree/bindings/sound/rockchip,pdm.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt index 60e8630..54d94438 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt @@ -6,6 +6,7 @@ Required properties: - "rockchip,px30-pdm" - "rockchip,rk1808-pdm" - "rockchip,rk3308-pdm" + - "rockchip,rk3568-pdm" - "rockchip,rv1126-pdm" - reg: physical base address of the controller and length of memory mapped region. From patchwork Mon Aug 30 01:11:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: sugar zhang X-Patchwork-Id: 504431 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AE07C432BE for ; Mon, 30 Aug 2021 01:11:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15CFC60F91 for ; Mon, 30 Aug 2021 01:11:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235508AbhH3BL6 (ORCPT ); Sun, 29 Aug 2021 21:11:58 -0400 Received: from lucky1.263xmail.com ([211.157.147.132]:56574 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231401AbhH3BL5 (ORCPT ); Sun, 29 Aug 2021 21:11:57 -0400 Received: from localhost (unknown [192.168.167.16]) by lucky1.263xmail.com (Postfix) with ESMTP id 7D3AEFB68E; Mon, 30 Aug 2021 09:11:03 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P704T139881204397824S1630285862688994_; Mon, 30 Aug 2021 09:11:03 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <72ce3be057e3df419ae7771ab791c8eb> X-RL-SENDER: sugar.zhang@rock-chips.com X-SENDER: zxg@rock-chips.com X-LOGIN-NAME: sugar.zhang@rock-chips.com X-FST-TO: broonie@kernel.org X-RCPT-COUNT: 6 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Sugar Zhang To: broonie@kernel.org, heiko@sntech.de Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Sugar Zhang Subject: [PATCH v2 6/7] ASoC: dt-bindings: rockchip: pdm: Document property 'rockchip, path-map' Date: Mon, 30 Aug 2021 09:11:00 +0800 Message-Id: <1630285861-28147-1-git-send-email-sugar.zhang@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1630285788-28002-1-git-send-email-sugar.zhang@rock-chips.com> References: <1630285788-28002-1-git-send-email-sugar.zhang@rock-chips.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This is an optional property to describe data path mapping. Signed-off-by: Sugar Zhang --- Changes in v2: None Documentation/devicetree/bindings/sound/rockchip,pdm.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt index 54d94438..b2d7e47 100644 --- a/Documentation/devicetree/bindings/sound/rockchip,pdm.txt +++ b/Documentation/devicetree/bindings/sound/rockchip,pdm.txt @@ -24,6 +24,22 @@ Required properties: pinctrl-names. See ../pinctrl/pinctrl-bindings.txt for details of the property values. +Optional properties: +- rockchip,path-map: This is a variable length array, that shows the mapping + of SDIx to PATHx. By default, they are one-to-one mapping as follows: + + path0 <-- sdi0 + path1 <-- sdi1 + path2 <-- sdi2 + path3 <-- sdi3 + + e.g. "rockchip,path-map = <3 2 1 0>" means the mapping as follows: + + path0 <-- sdi3 + path1 <-- sdi2 + path2 <-- sdi1 + path3 <-- sdi0 + Example for rk3328 PDM controller: pdm: pdm@ff040000 {