From patchwork Fri Mar 31 22:05:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 96531 Delivered-To: patches@linaro.org Received: by 10.140.89.233 with SMTP id v96csp923626qgd; Fri, 31 Mar 2017 15:06:07 -0700 (PDT) X-Received: by 10.84.176.129 with SMTP id v1mr5568271plb.192.1490997967432; Fri, 31 Mar 2017 15:06:07 -0700 (PDT) Return-Path: Received: from mail-pg0-x22a.google.com (mail-pg0-x22a.google.com. [2607:f8b0:400e:c05::22a]) by mx.google.com with ESMTPS id e5si6233591pga.100.2017.03.31.15.06.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 31 Mar 2017 15:06:07 -0700 (PDT) Received-SPF: pass (google.com: domain of john.stultz@linaro.org designates 2607:f8b0:400e:c05::22a as permitted sender) client-ip=2607:f8b0:400e:c05::22a; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: domain of john.stultz@linaro.org designates 2607:f8b0:400e:c05::22a as permitted sender) smtp.mailfrom=john.stultz@linaro.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: by mail-pg0-x22a.google.com with SMTP id 81so82714185pgh.2 for ; Fri, 31 Mar 2017 15:06:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=FwGWahHvZB3Y/JjkO+8ps3vs6RYxprMuXlbhUHv5mJc=; b=Kg6wan7Xhj9RyZOKsr6i6hAUE4w+iBDVhOEQN7DXVqYFlYJ+7ACKXzCylk8sJ7+hZg yfJOpd6G5xDjC0RsZbubat07J2aptIjb2rPU6FxqRM0nvDfwzxA54fvJFNWrU07A0tZW d+wf2fSlkepDxfTBq0vP+GCic2TklV/1t5tS4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=FwGWahHvZB3Y/JjkO+8ps3vs6RYxprMuXlbhUHv5mJc=; b=FjA+23SZYTUDS/PX8Wdp1Sl42d3cI5CIdy4anU7TM/poT35uq8NXOdrGCAk/ogj56L lRYitGsljlCMsU8nIh3nImCHJEJdnJqYc1ZDDEmzOTj3xAym8GrjsbDAGo74EalVUyfk ywVIhc3Oi6N8BXGFYFmCbKgQJvd71hwGIEl2nnz3l24qxPW0fh0B4JVg0KF9Futimkqk xvM/JBTfkoR4mbBAwx7iE+ZImFzmlkj9MzpPJoBw5b5leAm8sew/3Mz7e67wrbW/Z+Bx 6y1w0tXTM2OLmnEGSNPZm8wBRJotJ1ag3HZGoC0uK/Ui+aDWstIFuQc/AX8/RqX4RyTu nCWw== X-Gm-Message-State: AFeK/H2m+H+avWlQH7D+0mtJyQu3TA23bMZVuPfjTjvlBPciMjP9avi4Klah0E8CtWGlPn0YAHY= X-Received: by 10.98.36.81 with SMTP id r78mr4671996pfj.178.1490997967137; Fri, 31 Mar 2017 15:06:07 -0700 (PDT) Return-Path: Received: from localhost.localdomain ([2601:1c2:1002:83f0:4e72:b9ff:fe99:466a]) by smtp.gmail.com with ESMTPSA id 11sm12317990pgf.28.2017.03.31.15.06.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 31 Mar 2017 15:06:05 -0700 (PDT) From: John Stultz To: lkml Cc: John Stultz , Zhangfei Gao , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Wei Xu , Rob Herring , Andy Green , Dave Long , Guodong Xu Subject: [PATCH 1/3 v4] ASoC: add hi6210-i2s DT bindings Date: Fri, 31 Mar 2017 15:05:59 -0700 Message-Id: <1490997961-31937-2-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1490997961-31937-1-git-send-email-john.stultz@linaro.org> References: <1490997961-31937-1-git-send-email-john.stultz@linaro.org> Adds DT bindings documentation for the hi6210-i2s driver. Cc: Zhangfei Gao Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Wei Xu Cc: Rob Herring Cc: Andy Green Cc: Dave Long Cc: Guodong Xu Signed-off-by: John Stultz --- v3: * Simplified and reworked dt binding v4: * Add #sound-dai-cells entry to make it clear multiple dais are possible --- .../bindings/sound/hisilicon,hi6210-i2s.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt -- 2.7.4 diff --git a/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt b/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt new file mode 100644 index 0000000..680bb035 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/hisilicon,hi6210-i2s.txt @@ -0,0 +1,34 @@ +* Hisilicon 6210 i2s controller + +Required properties: + +- compatible: should be one of the following: + - "hisilicon,hi6210-i2s" +- reg: physical base address of the i2s controller unit and length of + memory mapped region. +- interrupts: should contain the i2s interrupt. +- clocks: a list of phandle + clock-specifier pairs, one for each entry + in clock-names. +- clock-names: should contain following: + - "dacodec" + - "i2s-base" +- dmas: DMA specifiers for tx dma. See the DMA client binding, + Documentation/devicetree/bindings/dma/dma.txt +- dma-names: should be "tx" and "rx" +- hisilicon,sysctrl-syscon: phandle to sysctrl syscon +- #sound-dai-cells: Should be set to 1 (for multi-dai) + +Example for the hi6210 i2s controller: + +i2s0: i2s@f7118000{ + compatible = "hisilicon,hi6210-i2s"; + reg = <0x0 0xf7118000 0x0 0x8000>; /* i2s unit */ + interrupts = ; /* 155 "DigACodec_intr"-32 */ + clocks = <&sys_ctrl HI6220_DACODEC_PCLK>, + <&sys_ctrl HI6220_BBPPLL0_DIV>; + clock-names = "dacodec", "i2s-base"; + dmas = <&dma0 15 &dma0 14>; + dma-names = "rx", "tx"; + hisilicon,sysctrl-syscon = <&sys_ctrl>; + #sound-dai-cells = <1>; +}; From patchwork Fri Mar 31 22:06:00 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 96532 Delivered-To: patches@linaro.org Received: by 10.140.89.233 with SMTP id v96csp923634qgd; Fri, 31 Mar 2017 15:06:09 -0700 (PDT) X-Received: by 10.99.142.67 with SMTP id k64mr4965310pge.31.1490997969441; Fri, 31 Mar 2017 15:06:09 -0700 (PDT) Return-Path: Received: from mail-pg0-x231.google.com (mail-pg0-x231.google.com. [2607:f8b0:400e:c05::231]) by mx.google.com with ESMTPS id q2si6225976pga.211.2017.03.31.15.06.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 31 Mar 2017 15:06:09 -0700 (PDT) Received-SPF: pass (google.com: domain of john.stultz@linaro.org designates 2607:f8b0:400e:c05::231 as permitted sender) client-ip=2607:f8b0:400e:c05::231; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: domain of john.stultz@linaro.org designates 2607:f8b0:400e:c05::231 as permitted sender) smtp.mailfrom=john.stultz@linaro.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: by mail-pg0-x231.google.com with SMTP id 81so82714733pgh.2 for ; Fri, 31 Mar 2017 15:06:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=sZQwVBNzUkgmtZUaafJPbiPOiRu4GiI8kciL54GHo+U=; b=hBsEwPlL0JurxCA/B9CmszlvSjfm3Lg1pJke4ozIDqfRj0MO/byi4p02xQ4KbAgh9f kP3/m/LIjJtUrRp1X5H+JTX53OMwIbWjthEqBfDtFwboZpM3t7LZXjniTEBNkiTS8Egn MQpkTTlexsfFpn0g1Q3mcyq0Oeck7gY1vqFoQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=sZQwVBNzUkgmtZUaafJPbiPOiRu4GiI8kciL54GHo+U=; b=GQy4G3JeEVFVJS3M0hLqwka9Stq6HGEU2NlxYH/loDayyvZpFqeeTiAP48+2KhPAbn Lq3TGMyrlQbVSzRZNRyBywztvgtKJZoeUBKJvPS7K3qUomdpwSIlh/G4ju6pTYrnW3Bm LtbSD5VJf3zpem4S+DgfNb0LnZwSCs5Gp1PWuR3u+s0Z2mOOMhPzqkW26RbguC+thRp7 FoNzF/IKnboh4Q8/OROzvUO7mcPppm7SN2zk2L2T71hY+U9MEVusk0BjMnmFv0f6ZN4v nUM0tZEsyrUuN9qJhpMUvxpsUjuIOIM2Cv41DWbw8bNiHucMig8xpwi+5eo7tqlCB37y cR1w== X-Gm-Message-State: AFeK/H1dZUKW+NfOHYjV4P6KL+itOVu42OI99vB1duZvxUqKgr3FbnVn7Ujhx6Z2pbFEGj9KK4G8S7TJ X-Received: by 10.98.210.133 with SMTP id c127mr4762960pfg.83.1490997968887; Fri, 31 Mar 2017 15:06:08 -0700 (PDT) Return-Path: Received: from localhost.localdomain ([2601:1c2:1002:83f0:4e72:b9ff:fe99:466a]) by smtp.gmail.com with ESMTPSA id 11sm12317990pgf.28.2017.03.31.15.06.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 31 Mar 2017 15:06:07 -0700 (PDT) From: John Stultz To: lkml Cc: Andy Green , Zhangfei Gao , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Wei Xu , Rob Herring , Andy Green , Dave Long , Guodong Xu , John Stultz Subject: [PATCH 2/3 v4] ASoC: hisilicon: Add hi6210 i2s audio driver Date: Fri, 31 Mar 2017 15:06:00 -0700 Message-Id: <1490997961-31937-3-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1490997961-31937-1-git-send-email-john.stultz@linaro.org> References: <1490997961-31937-1-git-send-email-john.stultz@linaro.org> From: Andy Green Add driver for hi6210 i2s controller found on hi6220 boards. Cc: Zhangfei Gao Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Wei Xu Cc: Rob Herring Cc: Andy Green Cc: Dave Long Cc: Guodong Xu Signed-off-by: Andy Green [jstultz: Forward ported to mainline, fairly major rework based on suggestions from Mark Brown] Signed-off-by: John Stultz --- v2: * Folded in fixes from kbuildbot * Split i2s and hdmi-card drivers up * Major rework from MarkB's suggestions v3: * Folded in fixes from Guodong * Simplified and reworked devicetree bindings * Integrated review feedback from Mark Brown v4: * Minor tweak to ensure dai entry is named properly when using non-single-link dias --- sound/soc/Kconfig | 1 + sound/soc/Makefile | 1 + sound/soc/hisilicon/Kconfig | 5 + sound/soc/hisilicon/Makefile | 1 + sound/soc/hisilicon/hi6210-i2s.c | 628 +++++++++++++++++++++++++++++++++++++++ sound/soc/hisilicon/hi6210-i2s.h | 276 +++++++++++++++++ 6 files changed, 912 insertions(+) create mode 100644 sound/soc/hisilicon/Kconfig create mode 100644 sound/soc/hisilicon/Makefile create mode 100644 sound/soc/hisilicon/hi6210-i2s.c create mode 100644 sound/soc/hisilicon/hi6210-i2s.h -- 2.7.4 diff --git a/sound/soc/Kconfig b/sound/soc/Kconfig index 182d92e..9df9658 100644 --- a/sound/soc/Kconfig +++ b/sound/soc/Kconfig @@ -47,6 +47,7 @@ source "sound/soc/cirrus/Kconfig" source "sound/soc/davinci/Kconfig" source "sound/soc/dwc/Kconfig" source "sound/soc/fsl/Kconfig" +source "sound/soc/hisilicon/Kconfig" source "sound/soc/jz4740/Kconfig" source "sound/soc/nuc900/Kconfig" source "sound/soc/omap/Kconfig" diff --git a/sound/soc/Makefile b/sound/soc/Makefile index 9a30f21..2f6aabb 100644 --- a/sound/soc/Makefile +++ b/sound/soc/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_SND_SOC) += cirrus/ obj-$(CONFIG_SND_SOC) += davinci/ obj-$(CONFIG_SND_SOC) += dwc/ obj-$(CONFIG_SND_SOC) += fsl/ +obj-$(CONFIG_SND_SOC) += hisilicon/ obj-$(CONFIG_SND_SOC) += jz4740/ obj-$(CONFIG_SND_SOC) += img/ obj-$(CONFIG_SND_SOC) += intel/ diff --git a/sound/soc/hisilicon/Kconfig b/sound/soc/hisilicon/Kconfig new file mode 100644 index 0000000..4356d5a --- /dev/null +++ b/sound/soc/hisilicon/Kconfig @@ -0,0 +1,5 @@ +config SND_I2S_HI6210_I2S + tristate "Hisilicon I2S controller" + select SND_SOC_GENERIC_DMAENGINE_PCM + help + Hisilicon I2S diff --git a/sound/soc/hisilicon/Makefile b/sound/soc/hisilicon/Makefile new file mode 100644 index 0000000..e8095e2 --- /dev/null +++ b/sound/soc/hisilicon/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_SND_I2S_HI6210_I2S) += hi6210-i2s.o diff --git a/sound/soc/hisilicon/hi6210-i2s.c b/sound/soc/hisilicon/hi6210-i2s.c new file mode 100644 index 0000000..45691b70 --- /dev/null +++ b/sound/soc/hisilicon/hi6210-i2s.c @@ -0,0 +1,628 @@ +/* + * linux/sound/soc/m8m/hi6210_i2s.c - I2S IP driver + * + * Copyright (C) 2015 Linaro, Ltd + * Author: Andy Green + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * This driver only deals with S2 interface (BT) + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "hi6210-i2s.h" + +struct hi6210_i2s { + struct device *dev; + struct reset_control *rc; + struct clk *clk[8]; + int clocks; + struct snd_soc_dai_driver dai; + void __iomem *base; + struct regmap *sysctrl; + phys_addr_t base_phys; + struct snd_dmaengine_dai_dma_data dma_data[2]; + int clk_rate; + spinlock_t lock; + int rate; + int format; + u8 bits; + u8 channels; + u8 id; + u8 channel_length; + u8 use; + u32 master:1; + u32 status:1; +}; + +#define SC_PERIPH_CLKEN1 0x210 +#define SC_PERIPH_CLKDIS1 0x214 + +#define SC_PERIPH_CLKEN3 0x230 +#define SC_PERIPH_CLKDIS3 0x234 + +#define SC_PERIPH_CLKEN12 0x270 +#define SC_PERIPH_CLKDIS12 0x274 + +#define SC_PERIPH_RSTEN1 0x310 +#define SC_PERIPH_RSTDIS1 0x314 +#define SC_PERIPH_RSTSTAT1 0x318 + +#define SC_PERIPH_RSTEN2 0x320 +#define SC_PERIPH_RSTDIS2 0x324 +#define SC_PERIPH_RSTSTAT2 0x328 + +#define SOC_PMCTRL_BBPPLLALIAS 0x48 + +enum { + CLK_DACODEC, + CLK_I2S_BASE, +}; + +static inline void hi6210_write_reg(struct hi6210_i2s *i2s, int reg, u32 val) +{ + writel(val, i2s->base + reg); +} + +static inline u32 hi6210_read_reg(struct hi6210_i2s *i2s, int reg) +{ + return readl(i2s->base + reg); +} + +int hi6210_i2s_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct hi6210_i2s *i2s = dev_get_drvdata(cpu_dai->dev); + int ret, n; + u32 val; + + /* deassert reset on ABB */ + regmap_read(i2s->sysctrl, SC_PERIPH_RSTSTAT2, &val); + if (val & BIT(4)) + regmap_write(i2s->sysctrl, SC_PERIPH_RSTDIS2, BIT(4)); + + for (n = 0; n < i2s->clocks; n++) { + ret = clk_prepare_enable(i2s->clk[n]); + if (ret) { + while (n--) + clk_disable_unprepare(i2s->clk[n]); + return ret; + } + } + + ret = clk_set_rate(i2s->clk[CLK_I2S_BASE], 49152000); + if (ret) { + dev_err(i2s->dev, "%s: setting 49.152MHz base rate failed %d\n", + __func__, ret); + return ret; + } + + /* enable clock before frequency division */ + regmap_write(i2s->sysctrl, SC_PERIPH_CLKEN12, BIT(9)); + + /* enable codec working clock / == "codec bus clock" */ + regmap_write(i2s->sysctrl, SC_PERIPH_CLKEN1, BIT(5)); + + /* deassert reset on codec / interface clock / working clock */ + regmap_write(i2s->sysctrl, SC_PERIPH_RSTEN1, BIT(5)); + regmap_write(i2s->sysctrl, SC_PERIPH_RSTDIS1, BIT(5)); + + /* not interested in i2s irqs */ + val = hi6210_read_reg(i2s, HII2S_CODEC_IRQ_MASK); + val |= 0x3f; + hi6210_write_reg(i2s, HII2S_CODEC_IRQ_MASK, val); + + + /* reset the stereo downlink fifo */ + val = hi6210_read_reg(i2s, HII2S_APB_AFIFO_CFG_1); + val |= (BIT(5) | BIT(4)); + hi6210_write_reg(i2s, HII2S_APB_AFIFO_CFG_1, val); + + val = hi6210_read_reg(i2s, HII2S_APB_AFIFO_CFG_1); + val &= ~(BIT(5) | BIT(4)); + hi6210_write_reg(i2s, HII2S_APB_AFIFO_CFG_1, val); + + + val = hi6210_read_reg(i2s, HII2S_SW_RST_N); + val &= ~(HII2S_SW_RST_N__ST_DL_WORDLEN_MASK << + HII2S_SW_RST_N__ST_DL_WORDLEN_SHIFT); + val |= (HII2S_BITS_16 << HII2S_SW_RST_N__ST_DL_WORDLEN_SHIFT); + hi6210_write_reg(i2s, HII2S_SW_RST_N, val); + + val = hi6210_read_reg(i2s, HII2S_MISC_CFG); + /* mux 11/12 = APB not i2s */ + val &= ~HII2S_MISC_CFG__ST_DL_TEST_SEL; + /* BT R ch 0 = mixer op of DACR ch */ + val &= ~HII2S_MISC_CFG__S2_DOUT_RIGHT_SEL; + val &= ~HII2S_MISC_CFG__S2_DOUT_TEST_SEL; + + val |= HII2S_MISC_CFG__S2_DOUT_RIGHT_SEL; + /* BT L ch = 1 = mux 7 = "mixer output of DACL */ + val |= HII2S_MISC_CFG__S2_DOUT_TEST_SEL; + hi6210_write_reg(i2s, HII2S_MISC_CFG, val); + + val = hi6210_read_reg(i2s, HII2S_SW_RST_N); + val |= HII2S_SW_RST_N__SW_RST_N; + hi6210_write_reg(i2s, HII2S_SW_RST_N, val); + + return 0; +} +void hi6210_i2s_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *cpu_dai) +{ + struct hi6210_i2s *i2s = dev_get_drvdata(cpu_dai->dev); + int n; + + for (n = 0; n < i2s->clocks; n++) + clk_disable_unprepare(i2s->clk[n]); + + regmap_write(i2s->sysctrl, SC_PERIPH_RSTEN1, BIT(5)); +} + +static void hi6210_i2s_txctrl(struct snd_soc_dai *cpu_dai, int on) +{ + struct hi6210_i2s *i2s = dev_get_drvdata(cpu_dai->dev); + u32 val; + + spin_lock(&i2s->lock); + if (on) { + /* enable S2 TX */ + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val |= HII2S_I2S_CFG__S2_IF_TX_EN; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + } else { + /* disable S2 TX */ + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val &= ~HII2S_I2S_CFG__S2_IF_TX_EN; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + } + spin_unlock(&i2s->lock); +} + +static void hi6210_i2s_rxctrl(struct snd_soc_dai *cpu_dai, int on) +{ + struct hi6210_i2s *i2s = dev_get_drvdata(cpu_dai->dev); + u32 val; + + spin_lock(&i2s->lock); + if (on) { + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val |= HII2S_I2S_CFG__S2_IF_RX_EN; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + } else { + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val &= ~HII2S_I2S_CFG__S2_IF_RX_EN; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + } + spin_unlock(&i2s->lock); +} + +static int hi6210_i2s_set_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) +{ + struct hi6210_i2s *i2s = dev_get_drvdata(cpu_dai->dev); + + /* + * We don't actually set the hardware until the hw_params + * call, but we need to validate the user input here. + */ + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + case SND_SOC_DAIFMT_CBS_CFS: + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_LEFT_J: + case SND_SOC_DAIFMT_RIGHT_J: + break; + default: + return -EINVAL; + } + + i2s->format = fmt; + i2s->master = (i2s->format & SND_SOC_DAIFMT_MASTER_MASK) == + SND_SOC_DAIFMT_CBS_CFS; + + return 0; +} + +static int hi6210_i2s_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *cpu_dai) +{ + struct hi6210_i2s *i2s = dev_get_drvdata(cpu_dai->dev); + u32 bits = 0, rate = 0, signed_data = 0, fmt = 0; + u32 val; + struct snd_dmaengine_dai_dma_data *dma_data; + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_U16_LE: + signed_data = HII2S_I2S_CFG__S2_CODEC_DATA_FORMAT; + /* fallthru */ + case SNDRV_PCM_FORMAT_S16_LE: + bits = HII2S_BITS_16; + break; + case SNDRV_PCM_FORMAT_U24_LE: + signed_data = HII2S_I2S_CFG__S2_CODEC_DATA_FORMAT; + /* fallthru */ + case SNDRV_PCM_FORMAT_S24_LE: + bits = HII2S_BITS_24; + break; + default: + dev_err(cpu_dai->dev, "Bad format\n"); + return -EINVAL; + } + + + switch (params_rate(params)) { + case 8000: + rate = HII2S_FS_RATE_8KHZ; + break; + case 16000: + rate = HII2S_FS_RATE_16KHZ; + break; + case 32000: + rate = HII2S_FS_RATE_32KHZ; + break; + case 48000: + rate = HII2S_FS_RATE_48KHZ; + break; + case 96000: + rate = HII2S_FS_RATE_96KHZ; + break; + case 192000: + rate = HII2S_FS_RATE_192KHZ; + break; + default: + dev_err(cpu_dai->dev, "Bad rate: %d\n", params_rate(params)); + return -EINVAL; + } + + if (!(params_channels(params))) { + dev_err(cpu_dai->dev, "Bad channels\n"); + return -EINVAL; + } + + dma_data = snd_soc_dai_get_dma_data(cpu_dai, substream); + + switch (bits) { + case HII2S_BITS_24: + i2s->bits = 32; + dma_data->addr_width = 3; + break; + default: + i2s->bits = 16; + dma_data->addr_width = 2; + } + i2s->rate = params_rate(params); + i2s->channels = params_channels(params); + i2s->channel_length = i2s->channels * i2s->bits; + + val = hi6210_read_reg(i2s, HII2S_ST_DL_FIFO_TH_CFG); + val &= ~((HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AEMPTY_MASK << + HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AEMPTY_SHIFT) | + (HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AFULL_MASK << + HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AFULL_SHIFT) | + (HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AEMPTY_MASK << + HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AEMPTY_SHIFT) | + (HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AFULL_MASK << + HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AFULL_SHIFT)); + val |= ((16 << HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AEMPTY_SHIFT) | + (30 << HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AFULL_SHIFT) | + (16 << HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AEMPTY_SHIFT) | + (30 << HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AFULL_SHIFT)); + hi6210_write_reg(i2s, HII2S_ST_DL_FIFO_TH_CFG, val); + + + val = hi6210_read_reg(i2s, HII2S_IF_CLK_EN_CFG); + val |= (BIT(19) | BIT(18) | BIT(17) | + HII2S_IF_CLK_EN_CFG__S2_IF_CLK_EN | + HII2S_IF_CLK_EN_CFG__S2_OL_MIXER_EN | + HII2S_IF_CLK_EN_CFG__S2_OL_SRC_EN | + HII2S_IF_CLK_EN_CFG__ST_DL_R_EN | + HII2S_IF_CLK_EN_CFG__ST_DL_L_EN); + hi6210_write_reg(i2s, HII2S_IF_CLK_EN_CFG, val); + + + val = hi6210_read_reg(i2s, HII2S_DIG_FILTER_CLK_EN_CFG); + val &= ~(HII2S_DIG_FILTER_CLK_EN_CFG__DACR_SDM_EN | + HII2S_DIG_FILTER_CLK_EN_CFG__DACR_HBF2I_EN | + HII2S_DIG_FILTER_CLK_EN_CFG__DACR_AGC_EN | + HII2S_DIG_FILTER_CLK_EN_CFG__DACL_SDM_EN | + HII2S_DIG_FILTER_CLK_EN_CFG__DACL_HBF2I_EN | + HII2S_DIG_FILTER_CLK_EN_CFG__DACL_AGC_EN); + val |= (HII2S_DIG_FILTER_CLK_EN_CFG__DACR_MIXER_EN | + HII2S_DIG_FILTER_CLK_EN_CFG__DACL_MIXER_EN); + hi6210_write_reg(i2s, HII2S_DIG_FILTER_CLK_EN_CFG, val); + + + val = hi6210_read_reg(i2s, HII2S_DIG_FILTER_MODULE_CFG); + val &= ~(HII2S_DIG_FILTER_MODULE_CFG__DACR_MIXER_IN2_MUTE | + HII2S_DIG_FILTER_MODULE_CFG__DACL_MIXER_IN2_MUTE); + hi6210_write_reg(i2s, HII2S_DIG_FILTER_MODULE_CFG, val); + + val = hi6210_read_reg(i2s, HII2S_MUX_TOP_MODULE_CFG); + val &= ~(HII2S_MUX_TOP_MODULE_CFG__S2_OL_MIXER_IN1_MUTE | + HII2S_MUX_TOP_MODULE_CFG__S2_OL_MIXER_IN2_MUTE | + HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_MIXER_IN1_MUTE | + HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_MIXER_IN2_MUTE); + hi6210_write_reg(i2s, HII2S_MUX_TOP_MODULE_CFG, val); + + + switch (i2s->format & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBM_CFM: + i2s->master = false; + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val |= HII2S_I2S_CFG__S2_MST_SLV; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + break; + case SND_SOC_DAIFMT_CBS_CFS: + i2s->master = true; + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val &= ~HII2S_I2S_CFG__S2_MST_SLV; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + break; + default: + WARN_ONCE(1, "Invalid i2s->fmt MASTER_MASK. This shouldn't happen\n"); + } + + switch (i2s->format & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_I2S: + fmt = HII2S_FORMAT_I2S; + break; + case SND_SOC_DAIFMT_LEFT_J: + fmt = HII2S_FORMAT_LEFT_JUST; + break; + case SND_SOC_DAIFMT_RIGHT_J: + fmt = HII2S_FORMAT_RIGHT_JUST; + break; + default: + WARN_ONCE(1, "Invalid i2s->fmt FORMAT_MASK. This shouldn't happen\n"); + } + + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val &= ~(HII2S_I2S_CFG__S2_FUNC_MODE_MASK << + HII2S_I2S_CFG__S2_FUNC_MODE_SHIFT); + val |= fmt << HII2S_I2S_CFG__S2_FUNC_MODE_SHIFT; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + + + val = hi6210_read_reg(i2s, HII2S_CLK_SEL); + val &= ~(HII2S_CLK_SEL__I2S_BT_FM_SEL | /* BT gets the I2S */ + HII2S_CLK_SEL__EXT_12_288MHZ_SEL); + hi6210_write_reg(i2s, HII2S_CLK_SEL, val); + + dma_data->maxburst = 2; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + dma_data->addr = i2s->base_phys + HII2S_ST_DL_CHANNEL; + else + dma_data->addr = i2s->base_phys + HII2S_STEREO_UPLINK_CHANNEL; + + switch (i2s->channels) { + case 1: + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val |= HII2S_I2S_CFG__S2_FRAME_MODE; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + break; + default: + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val &= ~HII2S_I2S_CFG__S2_FRAME_MODE; + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + } + + /* clear loopback, set signed type and word length */ + val = hi6210_read_reg(i2s, HII2S_I2S_CFG); + val &= ~HII2S_I2S_CFG__S2_CODEC_DATA_FORMAT; + val &= ~(HII2S_I2S_CFG__S2_CODEC_IO_WORDLENGTH_MASK << + HII2S_I2S_CFG__S2_CODEC_IO_WORDLENGTH_SHIFT); + val &= ~(HII2S_I2S_CFG__S2_DIRECT_LOOP_MASK << + HII2S_I2S_CFG__S2_DIRECT_LOOP_SHIFT); + val |= signed_data; + val |= (bits << HII2S_I2S_CFG__S2_CODEC_IO_WORDLENGTH_SHIFT); + hi6210_write_reg(i2s, HII2S_I2S_CFG, val); + + + if (!i2s->master) + return 0; + + /* set DAC and related units to correct rate */ + val = hi6210_read_reg(i2s, HII2S_FS_CFG); + val &= ~(HII2S_FS_CFG__FS_S2_MASK << HII2S_FS_CFG__FS_S2_SHIFT); + val &= ~(HII2S_FS_CFG__FS_DACLR_MASK << HII2S_FS_CFG__FS_DACLR_SHIFT); + val &= ~(HII2S_FS_CFG__FS_ST_DL_R_MASK << + HII2S_FS_CFG__FS_ST_DL_R_SHIFT); + val &= ~(HII2S_FS_CFG__FS_ST_DL_L_MASK << + HII2S_FS_CFG__FS_ST_DL_L_SHIFT); + val |= (rate << HII2S_FS_CFG__FS_S2_SHIFT); + val |= (rate << HII2S_FS_CFG__FS_DACLR_SHIFT); + val |= (rate << HII2S_FS_CFG__FS_ST_DL_R_SHIFT); + val |= (rate << HII2S_FS_CFG__FS_ST_DL_L_SHIFT); + hi6210_write_reg(i2s, HII2S_FS_CFG, val); + + return 0; +} + +static int hi6210_i2s_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *cpu_dai) +{ + pr_debug("%s\n", __func__); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + hi6210_i2s_rxctrl(cpu_dai, 1); + else + hi6210_i2s_txctrl(cpu_dai, 1); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + hi6210_i2s_rxctrl(cpu_dai, 0); + else + hi6210_i2s_txctrl(cpu_dai, 0); + break; + default: + dev_err(cpu_dai->dev, "uknown cmd\n"); + return -EINVAL; + } + return 0; +} + +static int hi6210_i2s_dai_probe(struct snd_soc_dai *dai) +{ + struct hi6210_i2s *i2s = snd_soc_dai_get_drvdata(dai); + + snd_soc_dai_init_dma_data(dai, + &i2s->dma_data[SNDRV_PCM_STREAM_PLAYBACK], + &i2s->dma_data[SNDRV_PCM_STREAM_CAPTURE]); + + return 0; +} + + +static struct snd_soc_dai_ops hi6210_i2s_dai_ops = { + .trigger = hi6210_i2s_trigger, + .hw_params = hi6210_i2s_hw_params, + .set_fmt = hi6210_i2s_set_fmt, + .startup = hi6210_i2s_startup, + .shutdown = hi6210_i2s_shutdown, +}; + +struct snd_soc_dai_driver hi6210_i2s_dai_init = { + .probe = hi6210_i2s_dai_probe, + .playback = { + .channels_min = 2, + .channels_max = 2, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_U16_LE, + .rates = SNDRV_PCM_RATE_48000, + }, + .capture = { + .channels_min = 2, + .channels_max = 2, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_U16_LE, + .rates = SNDRV_PCM_RATE_48000, + }, + .ops = &hi6210_i2s_dai_ops, +}; + +static const struct snd_soc_component_driver hi6210_i2s_i2s_comp = { + .name = "hi6210_i2s-i2s", +}; + +static int hi6210_i2s_probe(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct hi6210_i2s *i2s; + struct resource *res; + int ret; + + i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL); + if (!i2s) + return -ENOMEM; + + i2s->dev = dev; + spin_lock_init(&i2s->lock); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + i2s->base = devm_ioremap_resource(dev, res); + if (IS_ERR(i2s->base)) + return PTR_ERR(i2s->base); + + i2s->base_phys = (phys_addr_t)res->start; + i2s->dai = hi6210_i2s_dai_init; + + dev_set_drvdata(&pdev->dev, i2s); + + i2s->sysctrl = syscon_regmap_lookup_by_phandle(node, + "hisilicon,sysctrl-syscon"); + if (IS_ERR(i2s->sysctrl)) + return PTR_ERR(i2s->sysctrl); + + i2s->clk[CLK_DACODEC] = devm_clk_get(&pdev->dev, "dacodec"); + if (IS_ERR_OR_NULL(i2s->clk[CLK_DACODEC])) + return PTR_ERR(i2s->clk[CLK_DACODEC]); + i2s->clocks++; + + i2s->clk[CLK_I2S_BASE] = devm_clk_get(&pdev->dev, "i2s-base"); + if (IS_ERR_OR_NULL(i2s->clk[CLK_I2S_BASE])) + return PTR_ERR(i2s->clk[CLK_I2S_BASE]); + i2s->clocks++; + + ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); + if (ret) + return ret; + + ret = snd_soc_register_component(&pdev->dev, &hi6210_i2s_i2s_comp, + &i2s->dai, 1); + if (ret) { + dev_err(&pdev->dev, "Failed to register dai\n"); + return ret; + } + + return 0; +} + +static int hi6210_i2s_remove(struct platform_device *pdev) +{ + snd_soc_unregister_component(&pdev->dev); + dev_set_drvdata(&pdev->dev, NULL); + + return 0; +} + +static const struct of_device_id hi6210_i2s_dt_ids[] = { + { .compatible = "hisilicon,hi6210-i2s" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, hi6210_i2s_dt_ids); + +static struct platform_driver hi6210_i2s_driver = { + .probe = hi6210_i2s_probe, + .remove = hi6210_i2s_remove, + .driver = { + .name = "hi6210_i2s", + .of_match_table = hi6210_i2s_dt_ids, + }, +}; + +module_platform_driver(hi6210_i2s_driver); + +MODULE_DESCRIPTION("Hisilicon HI6210 I2S driver"); +MODULE_AUTHOR("Andy Green "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/hisilicon/hi6210-i2s.h b/sound/soc/hisilicon/hi6210-i2s.h new file mode 100644 index 0000000..85cecc4 --- /dev/null +++ b/sound/soc/hisilicon/hi6210-i2s.h @@ -0,0 +1,276 @@ +/* + * linux/sound/soc/hisilicon/hi6210-i2s.h + * + * Copyright (C) 2015 Linaro, Ltd + * Author: Andy Green + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + * Note at least on 6220, S2 == BT, S1 == Digital FM Radio IF + */ + +#ifndef _HI6210_I2S_H +#define _HI6210_I2S_H + +#define HII2S_SW_RST_N 0 + +#define HII2S_SW_RST_N__STEREO_UPLINK_WORDLEN_SHIFT 28 +#define HII2S_SW_RST_N__STEREO_UPLINK_WORDLEN_MASK 3 +#define HII2S_SW_RST_N__THIRDMD_UPLINK_WORDLEN_SHIFT 26 +#define HII2S_SW_RST_N__THIRDMD_UPLINK_WORDLEN_MASK 3 +#define HII2S_SW_RST_N__VOICE_UPLINK_WORDLEN_SHIFT 24 +#define HII2S_SW_RST_N__VOICE_UPLINK_WORDLEN_MASK 3 +#define HII2S_SW_RST_N__ST_DL_WORDLEN_SHIFT 20 +#define HII2S_SW_RST_N__ST_DL_WORDLEN_MASK 3 +#define HII2S_SW_RST_N__THIRDMD_DLINK_WORDLEN_SHIFT 18 +#define HII2S_SW_RST_N__THIRDMD_DLINK_WORDLEN_MASK 3 +#define HII2S_SW_RST_N__VOICE_DLINK_WORDLEN_SHIFT 16 +#define HII2S_SW_RST_N__VOICE_DLINK_WORDLEN_MASK 3 + +#define HII2S_SW_RST_N__SW_RST_N BIT(0) + +enum hi6210_bits { + HII2S_BITS_16, + HII2S_BITS_18, + HII2S_BITS_20, + HII2S_BITS_24, +}; + + +#define HII2S_IF_CLK_EN_CFG 4 + +#define HII2S_IF_CLK_EN_CFG__THIRDMD_UPLINK_EN BIT(25) +#define HII2S_IF_CLK_EN_CFG__THIRDMD_DLINK_EN BIT(24) +#define HII2S_IF_CLK_EN_CFG__S3_IF_CLK_EN BIT(20) +#define HII2S_IF_CLK_EN_CFG__S2_IF_CLK_EN BIT(16) +#define HII2S_IF_CLK_EN_CFG__S2_OL_MIXER_EN BIT(15) +#define HII2S_IF_CLK_EN_CFG__S2_OL_SRC_EN BIT(14) +#define HII2S_IF_CLK_EN_CFG__S2_IR_PGA_EN BIT(13) +#define HII2S_IF_CLK_EN_CFG__S2_IL_PGA_EN BIT(12) +#define HII2S_IF_CLK_EN_CFG__S1_IR_PGA_EN BIT(10) +#define HII2S_IF_CLK_EN_CFG__S1_IL_PGA_EN BIT(9) +#define HII2S_IF_CLK_EN_CFG__S1_IF_CLK_EN BIT(8) +#define HII2S_IF_CLK_EN_CFG__VOICE_DLINK_SRC_EN BIT(7) +#define HII2S_IF_CLK_EN_CFG__VOICE_DLINK_EN BIT(6) +#define HII2S_IF_CLK_EN_CFG__ST_DL_R_EN BIT(5) +#define HII2S_IF_CLK_EN_CFG__ST_DL_L_EN BIT(4) +#define HII2S_IF_CLK_EN_CFG__VOICE_UPLINK_R_EN BIT(3) +#define HII2S_IF_CLK_EN_CFG__VOICE_UPLINK_L_EN BIT(2) +#define HII2S_IF_CLK_EN_CFG__STEREO_UPLINK_R_EN BIT(1) +#define HII2S_IF_CLK_EN_CFG__STEREO_UPLINK_L_EN BIT(0) + +#define HII2S_DIG_FILTER_CLK_EN_CFG 8 +#define HII2S_DIG_FILTER_CLK_EN_CFG__DACR_SDM_EN BIT(30) +#define HII2S_DIG_FILTER_CLK_EN_CFG__DACR_HBF2I_EN BIT(28) +#define HII2S_DIG_FILTER_CLK_EN_CFG__DACR_MIXER_EN BIT(25) +#define HII2S_DIG_FILTER_CLK_EN_CFG__DACR_AGC_EN BIT(24) +#define HII2S_DIG_FILTER_CLK_EN_CFG__DACL_SDM_EN BIT(22) +#define HII2S_DIG_FILTER_CLK_EN_CFG__DACL_HBF2I_EN BIT(20) +#define HII2S_DIG_FILTER_CLK_EN_CFG__DACL_MIXER_EN BIT(17) +#define HII2S_DIG_FILTER_CLK_EN_CFG__DACL_AGC_EN BIT(16) + +#define HII2S_FS_CFG 0xc + +#define HII2S_FS_CFG__FS_S2_SHIFT 28 +#define HII2S_FS_CFG__FS_S2_MASK 7 +#define HII2S_FS_CFG__FS_S1_SHIFT 24 +#define HII2S_FS_CFG__FS_S1_MASK 7 +#define HII2S_FS_CFG__FS_ADCLR_SHIFT 20 +#define HII2S_FS_CFG__FS_ADCLR_MASK 7 +#define HII2S_FS_CFG__FS_DACLR_SHIFT 16 +#define HII2S_FS_CFG__FS_DACLR_MASK 7 +#define HII2S_FS_CFG__FS_ST_DL_R_SHIFT 8 +#define HII2S_FS_CFG__FS_ST_DL_R_MASK 7 +#define HII2S_FS_CFG__FS_ST_DL_L_SHIFT 4 +#define HII2S_FS_CFG__FS_ST_DL_L_MASK 7 +#define HII2S_FS_CFG__FS_VOICE_DLINK_SHIFT 0 +#define HII2S_FS_CFG__FS_VOICE_DLINK_MASK 7 + +enum hi6210_i2s_rates { + HII2S_FS_RATE_8KHZ = 0, + HII2S_FS_RATE_16KHZ = 1, + HII2S_FS_RATE_32KHZ = 2, + HII2S_FS_RATE_48KHZ = 4, + HII2S_FS_RATE_96KHZ = 5, + HII2S_FS_RATE_192KHZ = 6, +}; + +#define HII2S_I2S_CFG 0x10 + +#define HII2S_I2S_CFG__S2_IF_TX_EN BIT(31) +#define HII2S_I2S_CFG__S2_IF_RX_EN BIT(30) +#define HII2S_I2S_CFG__S2_FRAME_MODE BIT(29) +#define HII2S_I2S_CFG__S2_MST_SLV BIT(28) +#define HII2S_I2S_CFG__S2_LRCK_MODE BIT(27) +#define HII2S_I2S_CFG__S2_CHNNL_MODE BIT(26) +#define HII2S_I2S_CFG__S2_CODEC_IO_WORDLENGTH_SHIFT 24 +#define HII2S_I2S_CFG__S2_CODEC_IO_WORDLENGTH_MASK 3 +#define HII2S_I2S_CFG__S2_DIRECT_LOOP_SHIFT 22 +#define HII2S_I2S_CFG__S2_DIRECT_LOOP_MASK 3 +#define HII2S_I2S_CFG__S2_TX_CLK_SEL BIT(21) +#define HII2S_I2S_CFG__S2_RX_CLK_SEL BIT(20) +#define HII2S_I2S_CFG__S2_CODEC_DATA_FORMAT BIT(19) +#define HII2S_I2S_CFG__S2_FUNC_MODE_SHIFT 16 +#define HII2S_I2S_CFG__S2_FUNC_MODE_MASK 7 +#define HII2S_I2S_CFG__S1_IF_TX_EN BIT(15) +#define HII2S_I2S_CFG__S1_IF_RX_EN BIT(14) +#define HII2S_I2S_CFG__S1_FRAME_MODE BIT(13) +#define HII2S_I2S_CFG__S1_MST_SLV BIT(12) +#define HII2S_I2S_CFG__S1_LRCK_MODE BIT(11) +#define HII2S_I2S_CFG__S1_CHNNL_MODE BIT(10) +#define HII2S_I2S_CFG__S1_CODEC_IO_WORDLENGTH_SHIFT 8 +#define HII2S_I2S_CFG__S1_CODEC_IO_WORDLENGTH_MASK 3 +#define HII2S_I2S_CFG__S1_DIRECT_LOOP_SHIFT 6 +#define HII2S_I2S_CFG__S1_DIRECT_LOOP_MASK 3 +#define HII2S_I2S_CFG__S1_TX_CLK_SEL BIT(5) +#define HII2S_I2S_CFG__S1_RX_CLK_SEL BIT(4) +#define HII2S_I2S_CFG__S1_CODEC_DATA_FORMAT BIT(3) +#define HII2S_I2S_CFG__S1_FUNC_MODE_SHIFT 0 +#define HII2S_I2S_CFG__S1_FUNC_MODE_MASK 7 + +enum hi6210_i2s_formats { + HII2S_FORMAT_I2S, + HII2S_FORMAT_PCM_STD, + HII2S_FORMAT_PCM_USER, + HII2S_FORMAT_LEFT_JUST, + HII2S_FORMAT_RIGHT_JUST, +}; + +#define HII2S_DIG_FILTER_MODULE_CFG 0x14 + +#define HII2S_DIG_FILTER_MODULE_CFG__DACR_MIXER_GAIN_SHIFT 28 +#define HII2S_DIG_FILTER_MODULE_CFG__DACR_MIXER_GAIN_MASK 3 +#define HII2S_DIG_FILTER_MODULE_CFG__DACR_MIXER_IN4_MUTE BIT(27) +#define HII2S_DIG_FILTER_MODULE_CFG__DACR_MIXER_IN3_MUTE BIT(26) +#define HII2S_DIG_FILTER_MODULE_CFG__DACR_MIXER_IN2_MUTE BIT(25) +#define HII2S_DIG_FILTER_MODULE_CFG__DACR_MIXER_IN1_MUTE BIT(24) +#define HII2S_DIG_FILTER_MODULE_CFG__DACL_MIXER_GAIN_SHIFT 20 +#define HII2S_DIG_FILTER_MODULE_CFG__DACL_MIXER_GAIN_MASK 3 +#define HII2S_DIG_FILTER_MODULE_CFG__DACL_MIXER_IN4_MUTE BIT(19) +#define HII2S_DIG_FILTER_MODULE_CFG__DACL_MIXER_IN3_MUTE BIT(18) +#define HII2S_DIG_FILTER_MODULE_CFG__DACL_MIXER_IN2_MUTE BIT(17) +#define HII2S_DIG_FILTER_MODULE_CFG__DACL_MIXER_IN1_MUTE BIT(16) +#define HII2S_DIG_FILTER_MODULE_CFG__SW_DACR_SDM_DITHER BIT(9) +#define HII2S_DIG_FILTER_MODULE_CFG__SW_DACL_SDM_DITHER BIT(8) +#define HII2S_DIG_FILTER_MODULE_CFG__LM_CODEC_DAC2ADC_SHIFT 4 +#define HII2S_DIG_FILTER_MODULE_CFG__LM_CODEC_DAC2ADC_MASK 7 +#define HII2S_DIG_FILTER_MODULE_CFG__RM_CODEC_DAC2ADC_SHIFT 0 +#define HII2S_DIG_FILTER_MODULE_CFG__RM_CODEC_DAC2ADC_MASK 7 + +enum hi6210_gains { + HII2S_GAIN_100PC, + HII2S_GAIN_50PC, + HII2S_GAIN_25PC, +}; + +#define HII2S_MUX_TOP_MODULE_CFG 0x18 + +#define HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_MIXER_GAIN_SHIFT 14 +#define HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_MIXER_GAIN_MASK 3 +#define HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_MIXER_IN2_MUTE BIT(13) +#define HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_MIXER_IN1_MUTE BIT(12) +#define HII2S_MUX_TOP_MODULE_CFG__S2_OL_MIXER_GAIN_SHIFT 10 +#define HII2S_MUX_TOP_MODULE_CFG__S2_OL_MIXER_GAIN_MASK 3 +#define HII2S_MUX_TOP_MODULE_CFG__S2_OL_MIXER_IN2_MUTE BIT(9) +#define HII2S_MUX_TOP_MODULE_CFG__S2_OL_MIXER_IN1_MUTE BIT(8) +#define HII2S_MUX_TOP_MODULE_CFG__S2_OL_SRC_RDY BIT(6) +#define HII2S_MUX_TOP_MODULE_CFG__S2_OL_SRC_MODE_SHIFT 4 +#define HII2S_MUX_TOP_MODULE_CFG__S2_OL_SRC_MODE_MASK 3 +#define HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_SRC_RDY BIT(3) +#define HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_SRC_MODE_SHIFT 0 +#define HII2S_MUX_TOP_MODULE_CFG__VOICE_DLINK_SRC_MODE_MASK 7 + +enum hi6210_s2_src_mode { + HII2S_S2_SRC_MODE_3, + HII2S_S2_SRC_MODE_12, + HII2S_S2_SRC_MODE_6, + HII2S_S2_SRC_MODE_2, +}; + +enum hi6210_voice_dlink_src_mode { + HII2S_VOICE_DL_SRC_MODE_12 = 1, + HII2S_VOICE_DL_SRC_MODE_6, + HII2S_VOICE_DL_SRC_MODE_2, + HII2S_VOICE_DL_SRC_MODE_3, +}; + +#define HII2S_ADC_PGA_CFG 0x1c +#define HII2S_S1_INPUT_PGA_CFG 0x20 +#define HII2S_S2_INPUT_PGA_CFG 0x24 +#define HII2S_ST_DL_PGA_CFG 0x28 +#define HII2S_VOICE_SIDETONE_DLINK_PGA_CFG 0x2c +#define HII2S_APB_AFIFO_CFG_1 0x30 +#define HII2S_APB_AFIFO_CFG_2 0x34 +#define HII2S_ST_DL_FIFO_TH_CFG 0x38 + +#define HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AEMPTY_SHIFT 24 +#define HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AEMPTY_MASK 0x1f +#define HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AFULL_SHIFT 16 +#define HII2S_ST_DL_FIFO_TH_CFG__ST_DL_R_AFULL_MASK 0x1f +#define HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AEMPTY_SHIFT 8 +#define HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AEMPTY_MASK 0x1f +#define HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AFULL_SHIFT 0 +#define HII2S_ST_DL_FIFO_TH_CFG__ST_DL_L_AFULL_MASK 0x1f + +#define HII2S_STEREO_UPLINK_FIFO_TH_CFG 0x3c +#define HII2S_VOICE_UPLINK_FIFO_TH_CFG 0x40 +#define HII2S_CODEC_IRQ_MASK 0x44 +#define HII2S_CODEC_IRQ 0x48 +#define HII2S_DACL_AGC_CFG_1 0x4c +#define HII2S_DACL_AGC_CFG_2 0x50 +#define HII2S_DACR_AGC_CFG_1 0x54 +#define HII2S_DACR_AGC_CFG_2 0x58 +#define HII2S_DMIC_SIF_CFG 0x5c +#define HII2S_MISC_CFG 0x60 + +#define HII2S_MISC_CFG__THIRDMD_DLINK_TEST_SEL BIT(17) +#define HII2S_MISC_CFG__THIRDMD_DLINK_DIN_SEL BIT(16) +#define HII2S_MISC_CFG__S3_DOUT_RIGHT_SEL BIT(14) +#define HII2S_MISC_CFG__S3_DOUT_LEFT_SEL BIT(13) +#define HII2S_MISC_CFG__S3_DIN_TEST_SEL BIT(12) +#define HII2S_MISC_CFG__VOICE_DLINK_SRC_UP_DOUT_VLD_SEL BIT(8) +#define HII2S_MISC_CFG__VOICE_DLINK_TEST_SEL BIT(7) +#define HII2S_MISC_CFG__VOICE_DLINK_DIN_SEL BIT(6) +#define HII2S_MISC_CFG__ST_DL_TEST_SEL BIT(4) +#define HII2S_MISC_CFG__S2_DOUT_RIGHT_SEL BIT(3) +#define HII2S_MISC_CFG__S2_DOUT_TEST_SEL BIT(2) +#define HII2S_MISC_CFG__S1_DOUT_TEST_SEL BIT(1) +#define HII2S_MISC_CFG__S2_DOUT_LEFT_SEL BIT(0) + +#define HII2S_S2_SRC_CFG 0x64 +#define HII2S_MEM_CFG 0x68 +#define HII2S_THIRDMD_PCM_PGA_CFG 0x6c +#define HII2S_THIRD_MODEM_FIFO_TH 0x70 +#define HII2S_S3_ANTI_FREQ_JITTER_TX_INC_CNT 0x74 +#define HII2S_S3_ANTI_FREQ_JITTER_TX_DEC_CNT 0x78 +#define HII2S_S3_ANTI_FREQ_JITTER_RX_INC_CNT 0x7c +#define HII2S_S3_ANTI_FREQ_JITTER_RX_DEC_CNT 0x80 +#define HII2S_ANTI_FREQ_JITTER_EN 0x84 +#define HII2S_CLK_SEL 0x88 + +/* 0 = BT owns the i2s */ +#define HII2S_CLK_SEL__I2S_BT_FM_SEL BIT(0) +/* 0 = internal source, 1 = ext */ +#define HII2S_CLK_SEL__EXT_12_288MHZ_SEL BIT(1) + + +#define HII2S_THIRDMD_DLINK_CHANNEL 0xe8 +#define HII2S_THIRDMD_ULINK_CHANNEL 0xec +#define HII2S_VOICE_DLINK_CHANNEL 0xf0 + +/* shovel data in here for playback */ +#define HII2S_ST_DL_CHANNEL 0xf4 +#define HII2S_STEREO_UPLINK_CHANNEL 0xf8 +#define HII2S_VOICE_UPLINK_CHANNEL 0xfc + +#endif/* _HI6210_I2S_H */ From patchwork Fri Mar 31 22:06:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Stultz X-Patchwork-Id: 96533 Delivered-To: patches@linaro.org Received: by 10.140.89.233 with SMTP id v96csp923640qgd; Fri, 31 Mar 2017 15:06:10 -0700 (PDT) X-Received: by 10.84.217.68 with SMTP id e4mr5430916plj.99.1490997970879; Fri, 31 Mar 2017 15:06:10 -0700 (PDT) Return-Path: Received: from mail-pg0-x234.google.com (mail-pg0-x234.google.com. [2607:f8b0:400e:c05::234]) by mx.google.com with ESMTPS id z62si6210474pgb.391.2017.03.31.15.06.10 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 31 Mar 2017 15:06:10 -0700 (PDT) Received-SPF: pass (google.com: domain of john.stultz@linaro.org designates 2607:f8b0:400e:c05::234 as permitted sender) client-ip=2607:f8b0:400e:c05::234; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: domain of john.stultz@linaro.org designates 2607:f8b0:400e:c05::234 as permitted sender) smtp.mailfrom=john.stultz@linaro.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: by mail-pg0-x234.google.com with SMTP id g2so81601744pge.3 for ; Fri, 31 Mar 2017 15:06:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=g7X1PENlym7QL9yMjXflh01Ms9ZG0+DLwiJ8BMVy/nI=; b=Ep6rZvJTFetPpqu/UnKqKGb5YZOQ063OXnc4h+XK6f0WdMx1pJVRarjuSCSfgoFxoc pxwoQj6pDk8EjEq0tfRRIqq8RuYBgOY+BPju5qkjdOZ6HowoMGJuk2RA3OQYS4ZCF6RL GGLe7TWg7UJPvUWRufLA0JfuSSoq5HF8OrPYk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=g7X1PENlym7QL9yMjXflh01Ms9ZG0+DLwiJ8BMVy/nI=; b=J6jtrmuydq4gN3NHTa6TlcRrhtIPJtFgZwxeYnMpTsMpChezINEFH200lwM9t0mWX0 yEIPjJ6Tu8NIeeZ4EXhAvlw6Qqzfou7+r3OkNStVePNplNdSGwKeMJPPTBquUD2Do0lA IjP7wmaFPJ8yxTORWZgi5oUIabDXFu+87PLFeReQ8t1GpVsBdClBa0IKqwJ3ZSsOlv5C E9hW01ia6kafZGG9SWHHEG2a4Ep4720lFJ+B7BFhfH/G3M8SEwzbHVCFMVa+8KiTwJKU 1jPC8lAyfSWzqC/Bu+cSZBDyq1EVbe0V0FXFp32AFLoxX7W6U/L+1cZVxS8qgGfNk1sW 069w== X-Gm-Message-State: AFeK/H0OUh+RZxGi3sNHSTFwCL4UVeqoRKLNY9A4hL4FEVsjcEpLxWxj4dbb0H/RQ4LfdAsGB/A= X-Received: by 10.98.102.147 with SMTP id s19mr4519278pfj.202.1490997970545; Fri, 31 Mar 2017 15:06:10 -0700 (PDT) Return-Path: Received: from localhost.localdomain ([2601:1c2:1002:83f0:4e72:b9ff:fe99:466a]) by smtp.gmail.com with ESMTPSA id 11sm12317990pgf.28.2017.03.31.15.06.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 31 Mar 2017 15:06:09 -0700 (PDT) From: John Stultz To: lkml Cc: John Stultz , Zhangfei Gao , Jingoo Han , Krzysztof Kozlowski , Maxime Ripard , Vinod Koul , Dan Williams , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Wei Xu , Rob Herring , Andy Green Subject: [PATCH 3/3 v4] arm64: dts: hi6220: Add k3-dma and i2s/hdmi audio support Date: Fri, 31 Mar 2017 15:06:01 -0700 Message-Id: <1490997961-31937-4-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1490997961-31937-1-git-send-email-john.stultz@linaro.org> References: <1490997961-31937-1-git-send-email-john.stultz@linaro.org> Add entry for k3-dma driver and i2s/hdmi audio devices. This enables HDMI audio output. Cc: Zhangfei Gao Cc: Jingoo Han Cc: Krzysztof Kozlowski Cc: Maxime Ripard Cc: Vinod Koul Cc: Dan Williams Cc: Liam Girdwood Cc: Mark Brown Cc: Jaroslav Kysela Cc: Takashi Iwai Cc: Wei Xu Cc: Rob Herring Cc: Andy Green Signed-off-by: John Stultz v2: * Split core i2s entry into dtsi and hdmi specific bits into hikey dts v4: * Rework simple-card to use many-dai-links method, as there may be other links in the future --- arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts | 16 ++++++++++++++++ arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 26 ++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) -- 2.7.4 diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts index dba3c13..81a3ce1 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts +++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts @@ -406,6 +406,21 @@ }; }; }; + + sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "hikey-hdmi"; + + simple-audio-card,dai-link@0 { /* I2S - HDMI */ + format = "i2s"; + cpu { + sound-dai = <&i2s0 0>; + }; + codec { + sound-dai = <&adv7533>; + }; + }; + }; }; &uart2 { @@ -446,6 +461,7 @@ interrupts = <1 2>; pd-gpio = <&gpio0 4 0>; adi,dsi-lanes = <4>; + #sound-dai-cells = <0>; port { adv7533_in: endpoint { diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 470461d..9033f5a 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -332,6 +332,19 @@ status = "disabled"; }; + dma0: dma@f7370000 { + compatible = "hisilicon,k3-dma-1.0"; + reg = <0x0 0xf7370000 0x0 0x1000>; + #dma-cells = <1>; + dma-channels = <15>; + dma-requests = <32>; + interrupts = <0 84 4>; + clocks = <&sys_ctrl HI6220_EDMAC_ACLK>; + dma-no-cci; + dma-type = "hi6220_dma"; + status = "ok"; + }; + dual_timer0: timer@f8008000 { compatible = "arm,sp804", "arm,primecell"; reg = <0x0 0xf8008000 0x0 0x1000>; @@ -831,6 +844,19 @@ #thermal-sensor-cells = <1>; }; + i2s0: i2s@f7118000{ + compatible = "hisilicon,hi6210-i2s"; + reg = <0x0 0xf7118000 0x0 0x8000>; /* i2s unit */ + interrupts = ; /* 155 "DigACodec_intr"-32 */ + clocks = <&sys_ctrl HI6220_DACODEC_PCLK>, + <&sys_ctrl HI6220_BBPPLL0_DIV>; + clock-names = "dacodec", "i2s-base"; + dmas = <&dma0 15 &dma0 14>; + dma-names = "rx", "tx"; + hisilicon,sysctrl-syscon = <&sys_ctrl>; + #sound-dai-cells = <1>; + }; + thermal-zones { cls0: cls0 {