From patchwork Fri Oct 1 11:21:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12530325 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E7F3C433EF for ; Fri, 1 Oct 2021 11:21:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5E70561AA3 for ; Fri, 1 Oct 2021 11:21:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353647AbhJALXl (ORCPT ); Fri, 1 Oct 2021 07:23:41 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:46392 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230257AbhJALXk (ORCPT ); Fri, 1 Oct 2021 07:23:40 -0400 DKIM-Signature: a=rsa-sha256; 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Fri, 1 Oct 2021 11:21:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 4054AC4360C Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu , Venkata Prasad Potturu Subject: [PATCH 1/8] ASoC: qcom: Move lpass_pcm_data structure to lpass header Date: Fri, 1 Oct 2021 16:51:25 +0530 Message-Id: <1633087292-1378-2-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> References: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Declare lpass_pcm_data structure in lpass header file instead of platform source file to make common use of it by other drivers Signed-off-by: Venkata Prasad Potturu Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/lpass-platform.c | 5 ----- sound/soc/qcom/lpass.h | 5 +++++ 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index f9df76d..a000041 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -18,11 +18,6 @@ #define DRV_NAME "lpass-platform" -struct lpass_pcm_data { - int dma_ch; - int i2s_port; -}; - #define LPASS_PLATFORM_BUFFER_SIZE (24 * 2 * 1024) #define LPASS_PLATFORM_PERIODS 2 diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 67ef497..63aaa6f 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -256,6 +256,11 @@ struct lpass_variant { int num_clks; }; +struct lpass_pcm_data { + int dma_ch; + int i2s_port; +}; + /* register the platform driver from the CPU DAI driver */ int asoc_qcom_lpass_platform_register(struct platform_device *); int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev); From patchwork Fri Oct 1 11:21:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12530329 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB559C433F5 for ; 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Fri, 01 Oct 2021 11:22:02 GMT Sender: srivasam=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 9D2AEC4361A; Fri, 1 Oct 2021 11:22:02 +0000 (UTC) Received: from hu-srivasam-hyd.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id F0A91C4338F; Fri, 1 Oct 2021 11:21:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org F0A91C4338F Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu , Venkata Prasad Potturu Subject: [PATCH 2/8] ASoC: qcom: lpass: Add dma fields for codec dma lpass interface Date: Fri, 1 Oct 2021 16:51:26 +0530 Message-Id: <1633087292-1378-3-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> References: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add lpass interface memebers to support audio path over codec dma. Signed-off-by: Venkata Prasad Potturu Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/lpass.h | 148 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 63aaa6f..058b42d 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -19,6 +19,28 @@ #define LPASS_MAX_MI2S_PORTS (8) #define LPASS_MAX_DMA_CHANNELS (8) #define LPASS_MAX_HDMI_DMA_CHANNELS (4) +#define LPASS_MAX_CDC_DMA_CHANNELS (8) +#define LPASS_MAX_VA_CDC_DMA_CHANNELS (8) +#define LPASS_CDC_DMA_INTF_ONE_CHANNEL (0x01) +#define LPASS_CDC_DMA_INTF_TWO_CHANNEL (0x03) +#define LPASS_CDC_DMA_INTF_FOUR_CHANNEL (0x0F) +#define LPASS_CDC_DMA_INTF_SIX_CHANNEL (0x3F) +#define LPASS_CDC_DMA_INTF_EIGHT_CHANNEL (0xFF) +#define LPASS_CDC_DMA_RX0_INTERFACE (0x1) +#define LPASS_CDC_DMA_TX0_INTERFACE (0x1) +#define LPASS_CDC_DMA_TX1_INTERFACE (0x2) +#define LPASS_CDC_DMA_TX2_INTERFACE (0x3) +#define LPASS_CDC_DMA_TX3_INTERFACE (0x4) +#define LPASS_CDC_DMA_VA0_INTERFACE (0x1) + +#define LPASS_CDC_DMA_INTERFACE(dai_id) \ + ((dai_id == LPASS_CDC_DMA_TX3) ? \ + LPASS_CDC_DMA_TX3_INTERFACE : \ + LPASS_CDC_DMA_VA0_INTERFACE) + +#define LPASS_MAX_CDC_CLKS (9) +#define LPASS_ACTIVE_PDS (4) +#define LPASS_PROXY_PDS (8) #define QCOM_REGMAP_FIELD_ALLOC(d, m, f, mf) \ do { \ @@ -50,6 +72,12 @@ struct lpaif_dmactl { struct regmap_field *burst8; struct regmap_field *burst16; struct regmap_field *dynburst; + struct regmap_field *codec_enable; + struct regmap_field *codec_pack; + struct regmap_field *codec_intf; + struct regmap_field *codec_fs_sel; + struct regmap_field *codec_channel; + struct regmap_field *codec_fs_delay; }; /* Both the CPU DAI and platform drivers will access this data */ @@ -64,6 +92,25 @@ struct lpass_data { /* MI2S bit clock (derived from system clock by a divider */ struct clk *mi2s_bit_clk[LPASS_MAX_MI2S_PORTS]; + struct clk *cdc_dma_clks[LPASS_MAX_CDC_CLKS]; + + struct clk *xo; + struct clk *gcc_cfg_noc_lpass; + struct clk *core_cc_core; + struct clk *aon_cc_audio_hm_h; + struct clk *core_cc_sysnoc_mport_core; + struct clk *audio_cc_ext_mclk0; + struct clk *audio_cc_ext_mclk1; + struct clk *core_cc_lpm_core; + struct clk *core_cc_lpm_mem0_core; + struct clk *audio_cc_codec_mem; + struct clk *audio_cc_codec_mem0; + struct clk *audio_cc_codec_mem1; + struct clk *audio_cc_codec_mem2; + struct clk *audio_cc_rx_mclk_2x; + struct clk *audio_cc_rx_mclk; + struct clk *aon_cc_va_mem0; + /* MI2S SD lines to use for playback/capture */ unsigned int mi2s_playback_sd_mode[LPASS_MAX_MI2S_PORTS]; unsigned int mi2s_capture_sd_mode[LPASS_MAX_MI2S_PORTS]; @@ -72,38 +119,58 @@ struct lpass_data { bool mi2s_was_prepared[LPASS_MAX_MI2S_PORTS]; int hdmi_port_enable; + int wcd_codec_enable; /* low-power audio interface (LPAIF) registers */ void __iomem *lpaif; void __iomem *hdmiif; + void __iomem *rxtx_lpaif; + void __iomem *va_lpaif; /* regmap backed by the low-power audio interface (LPAIF) registers */ struct regmap *lpaif_map; struct regmap *hdmiif_map; + struct regmap *rxtx_lpaif_map; + struct regmap *va_lpaif_map; /* interrupts from the low-power audio interface (LPAIF) */ int lpaif_irq; int hdmiif_irq; + int rxtxif_irq; + int vaif_irq; + /* SOC specific variations in the LPASS IP integration */ struct lpass_variant *variant; /* bit map to keep track of static channel allocations */ unsigned long dma_ch_bit_map; unsigned long hdmi_dma_ch_bit_map; + unsigned long rxtx_dma_ch_bit_map; + unsigned long va_dma_ch_bit_map; /* used it for handling interrupt per dma channel */ struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS]; struct snd_pcm_substream *hdmi_substream[LPASS_MAX_HDMI_DMA_CHANNELS]; + struct snd_pcm_substream *rxtx_substream[LPASS_MAX_CDC_DMA_CHANNELS]; + struct snd_pcm_substream *va_substream[LPASS_MAX_CDC_DMA_CHANNELS]; /* SOC specific clock list */ struct clk_bulk_data *clks; int num_clks; + struct clk_bulk_data *cdc_clks; + int cdc_num_clks; /* Regmap fields of I2SCTL & DMACTL registers bitfields */ struct lpaif_i2sctl *i2sctl; struct lpaif_dmactl *rd_dmactl; struct lpaif_dmactl *wr_dmactl; struct lpaif_dmactl *hdmi_rd_dmactl; + + /* Regmap fields of CODEC DMA CTRL registers*/ + struct lpaif_dmactl *rxtx_rd_dmactl; + struct lpaif_dmactl *rxtx_wr_dmactl; + struct lpaif_dmactl *va_wr_dmactl; + /* Regmap fields of HDMI_CTRL registers*/ struct regmap_field *hdmitx_legacy_en; struct regmap_field *hdmitx_parity_calc_en; @@ -130,6 +197,24 @@ struct lpass_variant { u32 wrdma_reg_base; u32 wrdma_reg_stride; u32 wrdma_channels; + u32 rxtx_irq_reg_base; + u32 rxtx_irq_reg_stride; + u32 rxtx_irq_ports; + u32 rxtx_rdma_reg_base; + u32 rxtx_rdma_reg_stride; + u32 rxtx_rdma_channels; + u32 rxtx_wrdma_reg_base; + u32 rxtx_wrdma_reg_stride; + u32 rxtx_wrdma_channels; + u32 va_irq_reg_base; + u32 va_irq_reg_stride; + u32 va_irq_ports; + u32 va_rdma_reg_base; + u32 va_rdma_reg_stride; + u32 va_rdma_channels; + u32 va_wrdma_reg_base; + u32 va_wrdma_reg_stride; + u32 va_wrdma_channels; u32 i2sctrl_reg_base; u32 i2sctrl_reg_stride; u32 i2s_ports; @@ -233,12 +318,66 @@ struct lpass_variant { struct reg_field wrdma_enable; struct reg_field wrdma_dyncclk; + /*CDC RXTX RD_DMA */ + struct reg_field rxtx_rdma_intf; + struct reg_field rxtx_rdma_bursten; + struct reg_field rxtx_rdma_wpscnt; + struct reg_field rxtx_rdma_fifowm; + struct reg_field rxtx_rdma_enable; + struct reg_field rxtx_rdma_dyncclk; + struct reg_field rxtx_rdma_burst8; + struct reg_field rxtx_rdma_burst16; + struct reg_field rxtx_rdma_dynburst; + struct reg_field rxtx_rdma_codec_enable; + struct reg_field rxtx_rdma_codec_pack; + struct reg_field rxtx_rdma_codec_intf; + struct reg_field rxtx_rdma_codec_fs_sel; + struct reg_field rxtx_rdma_codec_ch; + struct reg_field rxtx_rdma_codec_fs_delay; + + /*CDC RXTX WR_DMA */ + struct reg_field rxtx_wrdma_intf; + struct reg_field rxtx_wrdma_bursten; + struct reg_field rxtx_wrdma_wpscnt; + struct reg_field rxtx_wrdma_fifowm; + struct reg_field rxtx_wrdma_enable; + struct reg_field rxtx_wrdma_dyncclk; + struct reg_field rxtx_wrdma_burst8; + struct reg_field rxtx_wrdma_burst16; + struct reg_field rxtx_wrdma_dynburst; + struct reg_field rxtx_wrdma_codec_enable; + struct reg_field rxtx_wrdma_codec_pack; + struct reg_field rxtx_wrdma_codec_intf; + struct reg_field rxtx_wrdma_codec_fs_sel; + struct reg_field rxtx_wrdma_codec_ch; + struct reg_field rxtx_wrdma_codec_fs_delay; + + /*CDC VA WR_DMA */ + struct reg_field va_wrdma_intf; + struct reg_field va_wrdma_bursten; + struct reg_field va_wrdma_wpscnt; + struct reg_field va_wrdma_fifowm; + struct reg_field va_wrdma_enable; + struct reg_field va_wrdma_dyncclk; + struct reg_field va_wrdma_burst8; + struct reg_field va_wrdma_burst16; + struct reg_field va_wrdma_dynburst; + struct reg_field va_wrdma_codec_enable; + struct reg_field va_wrdma_codec_pack; + struct reg_field va_wrdma_codec_intf; + struct reg_field va_wrdma_codec_fs_sel; + struct reg_field va_wrdma_codec_ch; + struct reg_field va_wrdma_codec_fs_delay; + /** * on SOCs like APQ8016 the channel control bits start * at different offset to ipq806x **/ u32 dmactl_audif_start; u32 wrdma_channel_start; + u32 rxtx_wrdma_channel_start; + u32 va_wrdma_channel_start; + /* SOC specific initialization like clocks */ int (*init)(struct platform_device *pdev); int (*exit)(struct platform_device *pdev); @@ -250,10 +389,19 @@ struct lpass_variant { int num_dai; const char * const *dai_osr_clk_names; const char * const *dai_bit_clk_names; + const char * const *cdc_dma_clk_names; + + const char * const *active_pd_names; + const char * const *proxy_pd_names; + struct device *active_pds[LPASS_ACTIVE_PDS]; + struct device *proxy_pds[LPASS_ACTIVE_PDS]; + int active_pd_count; + int proxy_pd_count; /* SOC specific clocks configuration */ const char **clk_name; int num_clks; + int cdc_dma_num_clks; }; struct lpass_pcm_data { From patchwork Fri Oct 1 11:21:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12530331 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67AD6C433FE for ; Fri, 1 Oct 2021 11:22:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4EC1461A8F for ; Fri, 1 Oct 2021 11:22:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352728AbhJALYJ (ORCPT ); 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Fri, 01 Oct 2021 11:22:08 GMT Sender: srivasam=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id A8A43C4361B; Fri, 1 Oct 2021 11:22:08 +0000 (UTC) Received: from hu-srivasam-hyd.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id A6D20C43618; Fri, 1 Oct 2021 11:22:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org A6D20C43618 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu , Venkata Prasad Potturu Subject: [PATCH 3/8] ASoC: qcom: Add register definition for codec rddma and wrdma Date: Fri, 1 Oct 2021 16:51:27 +0530 Message-Id: <1633087292-1378-4-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> References: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch adds register definitions for codec read dma and write dma lpass interface. Signed-off-by: Venkata Prasad Potturu Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/lpass-lpaif-reg.h | 103 ++++++++++++++++++++++++++++++++++++--- 1 file changed, 97 insertions(+), 6 deletions(-) diff --git a/sound/soc/qcom/lpass-lpaif-reg.h b/sound/soc/qcom/lpass-lpaif-reg.h index 2eb03ad..697a11f 100644 --- a/sound/soc/qcom/lpass-lpaif-reg.h +++ b/sound/soc/qcom/lpass-lpaif-reg.h @@ -74,6 +74,16 @@ #define LPAIF_IRQSTAT_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0x4, (port)) #define LPAIF_IRQCLEAR_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0xC, (port)) +/* LPAIF RXTX IRQ */ +#define LPAIF_RXTX_IRQ_REG_ADDR(v, addr, port, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || dai_id == LPASS_CDC_DMA_TX3) ? \ + (v->rxtx_irq_reg_base + (addr) + v->rxtx_irq_reg_stride * (port)) : \ + (v->va_irq_reg_base + (addr) + v->va_irq_reg_stride * (port))) + +#define LPAIF_RXTX_IRQEN_REG(v, port, dai_id) LPAIF_RXTX_IRQ_REG_ADDR(v, 0x0, port, dai_id) +#define LPAIF_RXTX_IRQSTAT_REG(v, port, dai_id) LPAIF_RXTX_IRQ_REG_ADDR(v, 0x4, port, dai_id) +#define LPAIF_RXTX_IRQCLEAR_REG(v, port, dai_id) LPAIF_RXTX_IRQ_REG_ADDR(v, 0xC, port, dai_id) + #define LPASS_HDMITX_APP_IRQ_REG_ADDR(v, addr) \ ((v->hdmi_irq_reg_base) + (addr)) @@ -139,12 +149,93 @@ (LPAIF_INTFDMA_REG(v, chan, reg, dai_id)) : \ LPAIF_WRDMA##reg##_REG(v, chan)) -#define LPAIF_DMACTL_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, CTL, dai_id) -#define LPAIF_DMABASE_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, BASE, dai_id) -#define LPAIF_DMABUFF_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, BUFF, dai_id) -#define LPAIF_DMACURR_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, CURR, dai_id) -#define LPAIF_DMAPER_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, PER, dai_id) -#define LPAIF_DMAPERCNT_REG(v, chan, dir, dai_id) __LPAIF_DMA_REG(v, chan, dir, PERCNT, dai_id) +#define LPAIF_DMACTL_REG(v, chan, dir, dai_id) \ + (((dai_id == LPASS_CDC_DMA_RX0) || \ + (dai_id == LPASS_CDC_DMA_TX3) || \ + (dai_id == LPASS_CDC_DMA_VA_TX0)) ? \ + __LPAIF_CDC_DMA_REG(v, chan, dir, CTL, dai_id) : \ + __LPAIF_DMA_REG(v, chan, dir, CTL, dai_id)) +#define LPAIF_DMABASE_REG(v, chan, dir, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || \ + dai_id == LPASS_CDC_DMA_TX3 || \ + dai_id == LPASS_CDC_DMA_VA_TX0) ? \ + __LPAIF_CDC_DMA_REG(v, chan, dir, BASE, dai_id) : \ + __LPAIF_DMA_REG(v, chan, dir, BASE, dai_id)) +#define LPAIF_DMABUFF_REG(v, chan, dir, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || \ + dai_id == LPASS_CDC_DMA_TX3 || \ + dai_id == LPASS_CDC_DMA_VA_TX0) ? \ + __LPAIF_CDC_DMA_REG(v, chan, dir, BUFF, dai_id) : \ + __LPAIF_DMA_REG(v, chan, dir, BUFF, dai_id)) +#define LPAIF_DMACURR_REG(v, chan, dir, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || \ + dai_id == LPASS_CDC_DMA_TX3 || \ + dai_id == LPASS_CDC_DMA_VA_TX0) ? \ + __LPAIF_CDC_DMA_REG(v, chan, dir, CURR, dai_id) : \ + __LPAIF_DMA_REG(v, chan, dir, CURR, dai_id)) +#define LPAIF_DMAPER_REG(v, chan, dir, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || \ + dai_id == LPASS_CDC_DMA_TX3 || \ + dai_id == LPASS_CDC_DMA_VA_TX0) ? \ + __LPAIF_CDC_DMA_REG(v, chan, dir, PER, dai_id) : \ + __LPAIF_DMA_REG(v, chan, dir, PER, dai_id)) +#define LPAIF_DMAPERCNT_REG(v, chan, dir, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || \ + dai_id == LPASS_CDC_DMA_TX3 || \ + dai_id == LPASS_CDC_DMA_VA_TX0) ? \ + __LPAIF_CDC_DMA_REG(v, chan, dir, PERCNT, dai_id) : \ + __LPAIF_DMA_REG(v, chan, dir, PERCNT, dai_id)) + +#define LPAIF_CDC_RDMA_REG_ADDR(v, addr, chan, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || dai_id == LPASS_CDC_DMA_TX3) ? \ + (v->rxtx_rdma_reg_base + (addr) + v->rxtx_rdma_reg_stride * (chan)) : \ + (v->va_rdma_reg_base + (addr) + v->va_rdma_reg_stride * (chan))) + +#define LPAIF_CDC_RDMACTL_REG(v, chan, dai_id) LPAIF_CDC_RDMA_REG_ADDR(v, 0x00, (chan), dai_id) +#define LPAIF_CDC_RDMABASE_REG(v, chan, dai_id) LPAIF_CDC_RDMA_REG_ADDR(v, 0x04, (chan), dai_id) +#define LPAIF_CDC_RDMABUFF_REG(v, chan, dai_id) LPAIF_CDC_RDMA_REG_ADDR(v, 0x08, (chan), dai_id) +#define LPAIF_CDC_RDMACURR_REG(v, chan, dai_id) LPAIF_CDC_RDMA_REG_ADDR(v, 0x0C, (chan), dai_id) +#define LPAIF_CDC_RDMAPER_REG(v, chan, dai_id) LPAIF_CDC_RDMA_REG_ADDR(v, 0x10, (chan), dai_id) + +#define LPAIF_CDC_RDMA_INTF_REG(v, chan, dai_id) \ + LPAIF_CDC_RDMA_REG_ADDR(v, 0x50, (chan), dai_id) + +#define LPAIF_CDC_WRDMA_REG_ADDR(v, addr, chan, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || dai_id == LPASS_CDC_DMA_TX3) ? \ + (v->rxtx_wrdma_reg_base + (addr) + \ + v->rxtx_wrdma_reg_stride * (chan - v->rxtx_wrdma_channel_start)) : \ + (v->va_wrdma_reg_base + (addr) + \ + v->va_wrdma_reg_stride * (chan - v->va_wrdma_channel_start))) + +#define LPAIF_CDC_WRDMACTL_REG(v, chan, dai_id) \ + LPAIF_CDC_WRDMA_REG_ADDR(v, 0x00, (chan), dai_id) +#define LPAIF_CDC_WRDMABASE_REG(v, chan, dai_id) \ + LPAIF_CDC_WRDMA_REG_ADDR(v, 0x04, (chan), dai_id) +#define LPAIF_CDC_WRDMABUFF_REG(v, chan, dai_id) \ + LPAIF_CDC_WRDMA_REG_ADDR(v, 0x08, (chan), dai_id) +#define LPAIF_CDC_WRDMACURR_REG(v, chan, dai_id) \ + LPAIF_CDC_WRDMA_REG_ADDR(v, 0x0C, (chan), dai_id) +#define LPAIF_CDC_WRDMAPER_REG(v, chan, dai_id) \ + LPAIF_CDC_WRDMA_REG_ADDR(v, 0x10, (chan), dai_id) +#define LPAIF_CDC_WRDMA_INTF_REG(v, chan, dai_id) \ + LPAIF_CDC_WRDMA_REG_ADDR(v, 0x50, (chan), dai_id) + +#define __LPAIF_CDC_DMA_REG(v, chan, dir, reg, dai_id) \ + ((dir == SNDRV_PCM_STREAM_PLAYBACK) ? \ + (LPAIF_CDC_RDMA##reg##_REG(v, chan, dai_id)) : \ + LPAIF_CDC_WRDMA##reg##_REG(v, chan, dai_id)) + +#define LPAIF_CDC_INTF_REG(v, chan, dir, dai_id) \ + ((dir == SNDRV_PCM_STREAM_PLAYBACK) ? \ + LPAIF_CDC_RDMA_INTF_REG(v, chan, dai_id) : \ + LPAIF_CDC_WRDMA_INTF_REG(v, chan, dai_id)) + +#define LPAIF_INTF_REG(v, chan, dir, dai_id) \ + ((dai_id == LPASS_CDC_DMA_RX0 || \ + dai_id == LPASS_CDC_DMA_TX3 || \ + dai_id == LPASS_CDC_DMA_VA_TX0) ? \ + LPAIF_CDC_INTF_REG(v, chan, dir, dai_id) : \ + LPAIF_DMACTL_REG(v, chan, dir, dai_id)) #define LPAIF_DMACTL_BURSTEN_SINGLE 0 #define LPAIF_DMACTL_BURSTEN_INCR4 1 From patchwork Fri Oct 1 11:21:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12530337 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9677CC433F5 for ; Fri, 1 Oct 2021 11:22:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 815C261A8B for ; Fri, 1 Oct 2021 11:22:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353826AbhJALYa (ORCPT ); Fri, 1 Oct 2021 07:24:30 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:46392 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353816AbhJALY2 (ORCPT ); Fri, 1 Oct 2021 07:24:28 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633087364; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=rME+nC0m199ZmuTpRVmVeo/Ci0Dmiq/V1rCel24i118=; b=QPk6o4LGAExwM7e9xk9gW5VQULnbxTTcLS7YCcgXroBluGDmJASu7dEhq8WPqSRQ9XnJ6TaM uJc2Bm95TdW4Gd5oaRKJS18CSLAlrspwSbjT4sjWZkeuB+MSGoxPGB/r//r7ARWzgrmhooLF N6tYkb09qPZ2x9a0p4lc0PoikCA= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n07.prod.us-west-2.postgun.com with SMTP id 6156ef67605ecf100ba046dc (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 01 Oct 2021 11:22:15 GMT Sender: srivasam=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 15907C43635; Fri, 1 Oct 2021 11:22:15 +0000 (UTC) Received: from hu-srivasam-hyd.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id 76998C4338F; Fri, 1 Oct 2021 11:22:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 76998C4338F Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu , Venkata Prasad Potturu Subject: [PATCH 4/8] ASoC: qcom: Add lapss CPU driver for codec dma control Date: Fri, 1 Oct 2021 16:51:28 +0530 Message-Id: <1633087292-1378-5-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> References: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add lpass cpu driver to support audio over codec dma for ADSP bypass usecase. Signed-off-by: Venkata Prasad Potturu Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/lpass-cdc-dma.c | 263 +++++++++++++++++++++++++++++++++++++++++ sound/soc/qcom/lpass.h | 1 + 2 files changed, 264 insertions(+) create mode 100644 sound/soc/qcom/lpass-cdc-dma.c diff --git a/sound/soc/qcom/lpass-cdc-dma.c b/sound/soc/qcom/lpass-cdc-dma.c new file mode 100644 index 0000000..56b3791 --- /dev/null +++ b/sound/soc/qcom/lpass-cdc-dma.c @@ -0,0 +1,263 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2021 The Linux Foundation. All rights reserved. + * + * lpass-cdc-dma.c -- ALSA SoC WCD -CPU DAI driver for QTi LPASS WCD + */ + +#include +#include +#include + +#include "lpass-lpaif-reg.h" +#include "lpass.h" + +static int __lpass_platform_codec_intf_init(struct snd_soc_dai *dai, + struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; + struct lpass_variant *v = drvdata->variant; + struct lpaif_dmactl *dmactl; + struct regmap *map; + int dir = substream->stream; + int ret, id; + unsigned int dai_id = cpu_dai->driver->id; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + dmactl = drvdata->rxtx_rd_dmactl; + map = drvdata->rxtx_lpaif_map; + id = pcm_data->dma_ch; + } else { + if (dai_id == LPASS_CDC_DMA_TX3) { + dmactl = drvdata->rxtx_wr_dmactl; + map = drvdata->rxtx_lpaif_map; + id = pcm_data->dma_ch - v->rxtx_wrdma_channel_start; + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + dmactl = drvdata->va_wr_dmactl; + map = drvdata->va_lpaif_map; + id = pcm_data->dma_ch - v->va_wrdma_channel_start; + } + } + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + ret = regmap_fields_write(dmactl->codec_intf, id, LPASS_CDC_DMA_RX0_INTERFACE); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->codec_fs_sel, id, 0x0); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->codec_fs_delay, id, 0x0); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl codec_fs_delay reg field: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->codec_pack, id, 0x1); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl codec_pack reg field: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->codec_enable, id, LPAIF_DMACTL_ENABLE_ON); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg: %d\n", ret); + return ret; + } + + } else { + ret = regmap_fields_write(dmactl->codec_intf, id, LPASS_CDC_DMA_INTERFACE(dai_id)); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to wrdmactl codec_intf reg field: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->codec_fs_sel, id, 0x0); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to wrdmactl codec_fs_sel reg field: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->codec_fs_delay, id, 0x0); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to wrdmactl codec_fs_delay reg field: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->codec_pack, id, 0x1); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to wrdmactl codec_pack reg field: %d\n", ret); + return ret; + } + ret = regmap_fields_write(dmactl->codec_enable, id, LPAIF_DMACTL_ENABLE_ON); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to wrdmactl codec_enable reg field: %d\n", ret); + return ret; + } + } + return 0; +} + +static int lpass_wcd_daiops_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + int ret, i; + + for (i = 0; i < drvdata->cdc_num_clks; i++) { + ret = clk_prepare_enable(drvdata->cdc_dma_clks[i]); + if (ret) { + dev_err(dai->dev, "error in enabling cdc dma clks: %d\n", ret); + return ret; + } + } + + return 0; +} + +static void lpass_wcd_daiops_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + int i; + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + + for (i = 0; i < drvdata->cdc_num_clks; i++) + clk_disable_unprepare(drvdata->cdc_dma_clks[i]); +} + +static int lpass_wcd_daiops_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); + struct lpaif_dmactl *dmactl; + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; + struct lpass_variant *v = drvdata->variant; + struct regmap *map; + int dir = substream->stream; + unsigned int ret, regval; + unsigned int channels = params_channels(params); + int id; + unsigned int dai_id = cpu_dai->driver->id; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + dmactl = drvdata->rxtx_rd_dmactl; + map = drvdata->rxtx_lpaif_map; + id = pcm_data->dma_ch; + } else { + if (dai_id == LPASS_CDC_DMA_TX3) { + dmactl = drvdata->rxtx_wr_dmactl; + map = drvdata->rxtx_lpaif_map; + id = pcm_data->dma_ch - v->rxtx_wrdma_channel_start; + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + dmactl = drvdata->va_wr_dmactl; + map = drvdata->va_lpaif_map; + id = pcm_data->dma_ch - v->va_wrdma_channel_start; + } + } + + switch (channels) { + case 1: + regval = LPASS_CDC_DMA_INTF_ONE_CHANNEL; + break; + case 2: + regval = LPASS_CDC_DMA_INTF_TWO_CHANNEL; + break; + case 4: + regval = LPASS_CDC_DMA_INTF_FOUR_CHANNEL; + break; + case 6: + regval = LPASS_CDC_DMA_INTF_SIX_CHANNEL; + break; + case 8: + regval = LPASS_CDC_DMA_INTF_EIGHT_CHANNEL; + break; + default: + dev_err(soc_runtime->dev, "invalid PCM config\n"); + return -EINVAL; + } + + ret = regmap_fields_write(dmactl->codec_channel, id, regval); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl codec_channel reg field: %d\n", ret); + return ret; + } + return ret; +} + +static int lpass_wcd_daiops_trigger(struct snd_pcm_substream *substream, + int cmd, struct snd_soc_dai *dai) +{ + struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; + struct lpass_variant *v = drvdata->variant; + int dir = substream->stream; + struct lpaif_dmactl *dmactl; + struct regmap *map; + unsigned int dai_id = cpu_dai->driver->id; + int ret = 0, id; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) { + dmactl = drvdata->rxtx_rd_dmactl; + map = drvdata->rxtx_lpaif_map; + id = pcm_data->dma_ch; + } else { + if (dai_id == LPASS_CDC_DMA_TX3) { + dmactl = drvdata->rxtx_wr_dmactl; + map = drvdata->rxtx_lpaif_map; + id = pcm_data->dma_ch - v->rxtx_wrdma_channel_start; + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + dmactl = drvdata->va_wr_dmactl; + map = drvdata->va_lpaif_map; + id = pcm_data->dma_ch - v->va_wrdma_channel_start; + } + } + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + __lpass_platform_codec_intf_init(dai, substream); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + ret = regmap_fields_write(dmactl->codec_enable, id, LPAIF_DMACTL_ENABLE_OFF); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg: %d\n", ret); + return ret; + } + + break; + } + return ret; +} + +const struct snd_soc_dai_ops asoc_qcom_lpass_wcd_dai_ops = { + .startup = lpass_wcd_daiops_startup, + .shutdown = lpass_wcd_daiops_shutdown, + .hw_params = lpass_wcd_daiops_hw_params, + .trigger = lpass_wcd_daiops_trigger, +}; +EXPORT_SYMBOL_GPL(asoc_qcom_lpass_wcd_dai_ops); + +MODULE_DESCRIPTION("QTi LPASS CDC DMA Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 058b42d..e0ea698 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -418,5 +418,6 @@ int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai); extern const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops; int lpass_cpu_pcm_new(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai); +extern const struct snd_soc_dai_ops asoc_qcom_lpass_wcd_dai_ops; #endif /* __LPASS_H__ */ From patchwork Fri Oct 1 11:21:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12530333 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AE9DC433F5 for ; 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Fri, 01 Oct 2021 11:22:27 GMT Sender: srivasam=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id DEA27C4361C; Fri, 1 Oct 2021 11:22:26 +0000 (UTC) Received: from hu-srivasam-hyd.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6807DC43618; Fri, 1 Oct 2021 11:22:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 6807DC43618 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu , Venkata Prasad Potturu Subject: [PATCH 5/8] ASoC: qcom: Add support for codec dma driver Date: Fri, 1 Oct 2021 16:51:29 +0530 Message-Id: <1633087292-1378-6-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> References: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Upadate lpass cpu and platform driver to support audio over codec dma in ADSP bypass use case. Signed-off-by: Venkata Prasad Potturu Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/lpass-cpu.c | 312 ++++++++++++++++++++++++- sound/soc/qcom/lpass-platform.c | 499 +++++++++++++++++++++++++++++++++++++--- 2 files changed, 773 insertions(+), 38 deletions(-) diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 3bd9eb3..c8dec52 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -798,6 +798,251 @@ static struct regmap_config lpass_hdmi_regmap_config = { .cache_type = REGCACHE_FLAT, }; +static bool lpass_rxtx_regmap_writeable(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->rxtx_irq_ports; ++i) { + if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_RXTX_IRQEN_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + } + + for (i = 0; i < v->rxtx_rdma_channels; ++i) { + if (reg == LPAIF_CDC_RDMACTL_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMABASE_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMABUFF_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMAPER_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMA_INTF_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + } + + for (i = 0; i < v->rxtx_wrdma_channels; ++i) { + if (reg == LPAIF_CDC_WRDMACTL_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMABASE_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMABUFF_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMAPER_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMA_INTF_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + } + + return false; +} + +static bool lpass_rxtx_regmap_readable(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->rxtx_irq_ports; ++i) { + if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_RXTX_IRQEN_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + } + + for (i = 0; i < v->rxtx_rdma_channels; ++i) { + if (reg == LPAIF_CDC_RDMACTL_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMABASE_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMABUFF_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMACURR_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMAPER_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_CDC_RDMA_INTF_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + } + + for (i = 0; i < v->rxtx_wrdma_channels; ++i) { + if (reg == LPAIF_CDC_WRDMACTL_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMABASE_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMABUFF_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMACURR_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMAPER_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + if (reg == LPAIF_CDC_WRDMA_INTF_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + } + + return false; +} + +static bool lpass_rxtx_regmap_volatile(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->rxtx_irq_ports; ++i) { + if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + } + + for (i = 0; i < v->rxtx_rdma_channels; ++i) + if (reg == LPAIF_CDC_RDMACURR_REG(v, i, LPASS_CDC_DMA_RX0)) + return true; + + for (i = 0; i < v->rxtx_wrdma_channels; ++i) + if (reg == LPAIF_CDC_WRDMACURR_REG(v, i + v->rxtx_wrdma_channel_start, + LPASS_CDC_DMA_TX3)) + return true; + + return false; +} + +static bool lpass_va_regmap_writeable(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->va_irq_ports; ++i) { + if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i, LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_RXTX_IRQEN_REG(v, i, LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i, LPASS_CDC_DMA_VA_TX0)) + return true; + } + + for (i = 0; i < v->va_wrdma_channels; ++i) { + if (reg == LPAIF_CDC_WRDMACTL_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMABASE_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMABUFF_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMAPER_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMA_INTF_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + } + + return false; +} + +static bool lpass_va_regmap_readable(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->va_irq_ports; ++i) { + if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i, LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_RXTX_IRQEN_REG(v, i, LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i, LPASS_CDC_DMA_VA_TX0)) + return true; + } + + for (i = 0; i < v->va_wrdma_channels; ++i) { + if (reg == LPAIF_CDC_WRDMACTL_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMABASE_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMABUFF_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMACURR_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMAPER_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_CDC_WRDMA_INTF_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + } + + return false; +} + +static bool lpass_va_regmap_volatile(struct device *dev, unsigned int reg) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + int i; + + for (i = 0; i < v->va_irq_ports; ++i) { + if (reg == LPAIF_RXTX_IRQCLEAR_REG(v, i, LPASS_CDC_DMA_VA_TX0)) + return true; + if (reg == LPAIF_RXTX_IRQSTAT_REG(v, i, LPASS_CDC_DMA_VA_TX0)) + return true; + } + + for (i = 0; i < v->va_wrdma_channels; ++i) { + if (reg == LPAIF_CDC_WRDMACURR_REG(v, i + v->va_wrdma_channel_start, + LPASS_CDC_DMA_VA_TX0)) + return true; + } + + return false; +} + +static struct regmap_config lpass_rxtx_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .writeable_reg = lpass_rxtx_regmap_writeable, + .readable_reg = lpass_rxtx_regmap_readable, + .volatile_reg = lpass_rxtx_regmap_volatile, + .cache_type = REGCACHE_FLAT, +}; + +static struct regmap_config lpass_va_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, + .writeable_reg = lpass_va_regmap_writeable, + .readable_reg = lpass_va_regmap_readable, + .volatile_reg = lpass_va_regmap_volatile, + .cache_type = REGCACHE_FLAT, +}; + static unsigned int of_lpass_cpu_parse_sd_lines(struct device *dev, struct device_node *node, const char *name) @@ -837,6 +1082,17 @@ static unsigned int of_lpass_cpu_parse_sd_lines(struct device *dev, } } +static bool is_cdc_dma_port(int dai_id) +{ + switch (dai_id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_VA_TX0: + return true; + default: + return false; + } +} static void of_lpass_cpu_parse_dai_data(struct device *dev, struct lpass_data *data) { @@ -857,7 +1113,9 @@ static void of_lpass_cpu_parse_dai_data(struct device *dev, } if (id == LPASS_DP_RX) { data->hdmi_port_enable = 1; - } else { + } else if (is_cdc_dma_port(id)) + data->wcd_codec_enable = 1; + else { data->mi2s_playback_sd_mode[id] = of_lpass_cpu_parse_sd_lines(dev, node, "qcom,playback-sd-lines"); @@ -897,6 +1155,53 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) of_lpass_cpu_parse_dai_data(dev, drvdata); + drvdata->num_clks = variant->num_clks; + if (drvdata->wcd_codec_enable) { + drvdata->rxtx_lpaif = + devm_platform_ioremap_resource_byname(pdev, "lpass-rxtx-lpaif"); + if (IS_ERR(drvdata->rxtx_lpaif)) + return PTR_ERR(drvdata->rxtx_lpaif); + + drvdata->va_lpaif = devm_platform_ioremap_resource_byname(pdev, "lpass-va-lpaif"); + if (IS_ERR(drvdata->va_lpaif)) + return PTR_ERR(drvdata->va_lpaif); + + lpass_rxtx_regmap_config.max_register = LPAIF_CDC_WRDMAPER_REG(variant, + variant->rxtx_wrdma_channels + + variant->rxtx_wrdma_channel_start, LPASS_CDC_DMA_TX3); + + drvdata->rxtx_lpaif_map = devm_regmap_init_mmio(dev, drvdata->rxtx_lpaif, + &lpass_rxtx_regmap_config); + if (IS_ERR(drvdata->rxtx_lpaif_map)) { + dev_err(dev, "error initializing regmap: %ld\n", + PTR_ERR(drvdata->rxtx_lpaif_map)); + return PTR_ERR(drvdata->rxtx_lpaif_map); + } + lpass_va_regmap_config.max_register = LPAIF_CDC_WRDMAPER_REG(variant, + variant->va_wrdma_channels + + variant->va_wrdma_channel_start, LPASS_CDC_DMA_VA_TX0); + + drvdata->va_lpaif_map = devm_regmap_init_mmio(dev, drvdata->va_lpaif, + &lpass_va_regmap_config); + if (IS_ERR(drvdata->va_lpaif_map)) { + dev_err(dev, "error initializing regmap: %ld\n", + PTR_ERR(drvdata->va_lpaif_map)); + return PTR_ERR(drvdata->va_lpaif_map); + } + drvdata->cdc_num_clks = variant->cdc_dma_num_clks; + for (i = 0; i < variant->cdc_dma_num_clks; i++) { + drvdata->cdc_dma_clks[i] = devm_clk_get(dev, + variant->cdc_dma_clk_names[i]); + if (IS_ERR(drvdata->cdc_dma_clks[i])) { + dev_err(dev, + "error getting %s: %ld\n", + variant->cdc_dma_clk_names[i], + PTR_ERR(drvdata->cdc_dma_clks[i])); + return PTR_ERR(drvdata->cdc_dma_clks[i]); + } + } + } + drvdata->lpaif = devm_platform_ioremap_resource_byname(pdev, "lpass-lpaif"); if (IS_ERR(drvdata->lpaif)) return PTR_ERR(drvdata->lpaif); @@ -939,7 +1244,10 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) for (i = 0; i < variant->num_dai; i++) { dai_id = variant->dai_driver[i].id; - if (dai_id == LPASS_DP_RX) + if (dai_id == LPASS_DP_RX || + dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3 || + dai_id == LPASS_CDC_DMA_VA_TX0) continue; drvdata->mi2s_osr_clk[dai_id] = devm_clk_get_optional(dev, diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index a000041..8f79bd3 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -20,6 +20,10 @@ #define LPASS_PLATFORM_BUFFER_SIZE (24 * 2 * 1024) #define LPASS_PLATFORM_PERIODS 2 +#define LPSAS_RXTX_CDC_DMA_LPM_ADDR 0x3260000 +#define LPSAS_RXTX_CDC_DMA_LPM_BUFF_SIZE (24 * 1024) +#define LPSAS_VA_CDC_DMA_LPM_ADDR 0x336C000 +#define LPSAS_VA_CDC_DMA_LPM_BUFF_SIZE (12 * 1024) static const struct snd_pcm_hardware lpass_platform_pcm_hardware = { .info = SNDRV_PCM_INFO_MMAP | @@ -45,6 +49,103 @@ static const struct snd_pcm_hardware lpass_platform_pcm_hardware = { .fifo_size = 0, }; +static const struct snd_pcm_hardware lpass_platform_rxtx_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME, + .formats = SNDRV_PCM_FMTBIT_S16 | + SNDRV_PCM_FMTBIT_S24 | + SNDRV_PCM_FMTBIT_S32, + .rates = SNDRV_PCM_RATE_8000_192000, + .rate_min = 8000, + .rate_max = 192000, + .channels_min = 1, + .channels_max = 8, + .buffer_bytes_max = LPSAS_RXTX_CDC_DMA_LPM_BUFF_SIZE, + .period_bytes_max = LPSAS_RXTX_CDC_DMA_LPM_BUFF_SIZE / + LPASS_PLATFORM_PERIODS, + .period_bytes_min = LPSAS_RXTX_CDC_DMA_LPM_BUFF_SIZE / + LPASS_PLATFORM_PERIODS, + .periods_min = LPASS_PLATFORM_PERIODS, + .periods_max = LPASS_PLATFORM_PERIODS, + .fifo_size = 0, +}; + +static const struct snd_pcm_hardware lpass_platform_va_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME, + .formats = SNDRV_PCM_FMTBIT_S16 | + SNDRV_PCM_FMTBIT_S24 | + SNDRV_PCM_FMTBIT_S32, + .rates = SNDRV_PCM_RATE_8000_192000, + .rate_min = 8000, + .rate_max = 192000, + .channels_min = 1, + .channels_max = 8, + .buffer_bytes_max = LPSAS_VA_CDC_DMA_LPM_BUFF_SIZE, + .period_bytes_max = LPSAS_VA_CDC_DMA_LPM_BUFF_SIZE / + LPASS_PLATFORM_PERIODS, + .period_bytes_min = LPSAS_VA_CDC_DMA_LPM_BUFF_SIZE / + LPASS_PLATFORM_PERIODS, + .periods_min = LPASS_PLATFORM_PERIODS, + .periods_max = LPASS_PLATFORM_PERIODS, + .fifo_size = 0, +}; + +static int lpass_platform_alloc_rxtx_dmactl_fields(struct device *dev, + struct regmap *map) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + struct lpaif_dmactl *rd_dmactl, *wr_dmactl; + int rval; + + drvdata->rxtx_rd_dmactl = devm_kzalloc(dev, sizeof(struct lpaif_dmactl), + GFP_KERNEL); + if (drvdata->rxtx_rd_dmactl == NULL) + return -ENOMEM; + + drvdata->rxtx_wr_dmactl = devm_kzalloc(dev, sizeof(struct lpaif_dmactl), + GFP_KERNEL); + if (drvdata->rxtx_wr_dmactl == NULL) + return -ENOMEM; + + rd_dmactl = drvdata->rxtx_rd_dmactl; + wr_dmactl = drvdata->rxtx_wr_dmactl; + + rval = devm_regmap_field_bulk_alloc(dev, map, &rd_dmactl->intf, + &v->rxtx_rdma_intf, 15); + if (rval) + return rval; + + return devm_regmap_field_bulk_alloc(dev, map, &wr_dmactl->intf, + &v->rxtx_wrdma_intf, 15); +} + +static int lpass_platform_alloc_va_dmactl_fields(struct device *dev, + struct regmap *map) +{ + struct lpass_data *drvdata = dev_get_drvdata(dev); + struct lpass_variant *v = drvdata->variant; + struct lpaif_dmactl *wr_dmactl; + + drvdata->va_wr_dmactl = devm_kzalloc(dev, sizeof(struct lpaif_dmactl), + GFP_KERNEL); + if (drvdata->va_wr_dmactl == NULL) + return -ENOMEM; + + wr_dmactl = drvdata->va_wr_dmactl; + + return devm_regmap_field_bulk_alloc(dev, map, &wr_dmactl->intf, + &v->va_wrdma_intf, 15); +} + + static int lpass_platform_alloc_dmactl_fields(struct device *dev, struct regmap *map) { @@ -126,24 +227,44 @@ static int lpass_platform_pcmops_open(struct snd_soc_component *component, if (cpu_dai->driver->id == LPASS_DP_RX) { map = drvdata->hdmiif_map; drvdata->hdmi_substream[dma_ch] = substream; + } else if (dai_id == LPASS_CDC_DMA_RX0 || dai_id == LPASS_CDC_DMA_TX3) { + map = drvdata->rxtx_lpaif_map; + drvdata->rxtx_substream[dma_ch] = substream; + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + map = drvdata->va_lpaif_map; + drvdata->va_substream[dma_ch] = substream; } else { map = drvdata->lpaif_map; drvdata->substream[dma_ch] = substream; } data->dma_ch = dma_ch; - ret = regmap_write(map, - LPAIF_DMACTL_REG(v, dma_ch, dir, data->i2s_port), 0); - if (ret) { - dev_err(soc_runtime->dev, - "error writing to rdmactl reg: %d\n", ret); - return ret; + if (!(dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3 || + dai_id == LPASS_CDC_DMA_VA_TX0)) { + ret = regmap_write(map, LPAIF_DMACTL_REG(v, dma_ch, dir, data->i2s_port), 0); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg: %d\n", ret); + return ret; + } } - snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware); - runtime->dma_bytes = lpass_platform_pcm_hardware.buffer_bytes_max; - - ret = snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS); + switch (dai_id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + snd_soc_set_runtime_hwparams(substream, &lpass_platform_rxtx_hardware); + runtime->dma_bytes = lpass_platform_rxtx_hardware.buffer_bytes_max; + break; + case LPASS_CDC_DMA_VA_TX0: + snd_soc_set_runtime_hwparams(substream, &lpass_platform_va_hardware); + runtime->dma_bytes = lpass_platform_va_hardware.buffer_bytes_max; + break; + default: + snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware); + runtime->dma_bytes = lpass_platform_pcm_hardware.buffer_bytes_max; + break; + } + ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); if (ret < 0) { kfree(data); dev_err(soc_runtime->dev, "setting constraints failed: %d\n", @@ -170,6 +291,10 @@ static int lpass_platform_pcmops_close(struct snd_soc_component *component, data = runtime->private_data; if (dai_id == LPASS_DP_RX) drvdata->hdmi_substream[data->dma_ch] = NULL; + else if (dai_id == LPASS_CDC_DMA_RX0 || dai_id == LPASS_CDC_DMA_TX3) + drvdata->rxtx_substream[data->dma_ch] = NULL; + else if (dai_id == LPASS_CDC_DMA_VA_TX0) + drvdata->va_substream[data->dma_ch] = NULL; else drvdata->substream[data->dma_ch] = NULL; if (v->free_dma_channel) @@ -202,12 +327,22 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, id = pcm_data->dma_ch; if (dai_id == LPASS_DP_RX) dmactl = drvdata->hdmi_rd_dmactl; + else if (dai_id == LPASS_CDC_DMA_RX0) + dmactl = drvdata->rxtx_rd_dmactl; else dmactl = drvdata->rd_dmactl; } else { - dmactl = drvdata->wr_dmactl; - id = pcm_data->dma_ch - v->wrdma_channel_start; + if (dai_id == LPASS_CDC_DMA_TX3) { + dmactl = drvdata->rxtx_wr_dmactl; + id = pcm_data->dma_ch - v->rxtx_wrdma_channel_start; + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + dmactl = drvdata->va_wr_dmactl; + id = pcm_data->dma_ch - v->va_wrdma_channel_start; + } else { + dmactl = drvdata->wr_dmactl; + id = pcm_data->dma_ch - v->wrdma_channel_start; + } } bitwidth = snd_pcm_format_width(format); @@ -230,6 +365,10 @@ static int lpass_platform_pcmops_hw_params(struct snd_soc_component *component, } switch (dai_id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_VA_TX0: + break; case LPASS_DP_RX: ret = regmap_fields_write(dmactl->burst8, id, LPAIF_DMACTL_BURSTEN_INCR4); @@ -354,9 +493,12 @@ static int lpass_platform_pcmops_hw_free(struct snd_soc_component *component, if (dai_id == LPASS_DP_RX) map = drvdata->hdmiif_map; + else if (dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3 || + dai_id == LPASS_CDC_DMA_VA_TX0) + return 0; else map = drvdata->lpaif_map; - reg = LPAIF_DMACTL_REG(v, pcm_data->dma_ch, substream->stream, dai_id); ret = regmap_write(map, reg, 0); if (ret) @@ -387,6 +529,9 @@ static int lpass_platform_pcmops_prepare(struct snd_soc_component *component, if (dai_id == LPASS_DP_RX) { dmactl = drvdata->hdmi_rd_dmactl; map = drvdata->hdmiif_map; + } else if (dai_id == LPASS_CDC_DMA_RX0) { + map = drvdata->rxtx_lpaif_map; + dmactl = drvdata->rxtx_rd_dmactl; } else { dmactl = drvdata->rd_dmactl; map = drvdata->lpaif_map; @@ -394,9 +539,19 @@ static int lpass_platform_pcmops_prepare(struct snd_soc_component *component, id = pcm_data->dma_ch; } else { - dmactl = drvdata->wr_dmactl; - id = pcm_data->dma_ch - v->wrdma_channel_start; - map = drvdata->lpaif_map; + if (dai_id == LPASS_CDC_DMA_TX3) { + dmactl = drvdata->rxtx_wr_dmactl; + map = drvdata->rxtx_lpaif_map; + id = pcm_data->dma_ch - v->rxtx_wrdma_channel_start; + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + dmactl = drvdata->va_wr_dmactl; + map = drvdata->va_lpaif_map; + id = pcm_data->dma_ch - v->va_wrdma_channel_start; + } else { + dmactl = drvdata->wr_dmactl; + id = pcm_data->dma_ch - v->wrdma_channel_start; + map = drvdata->lpaif_map; + } } ret = regmap_write(map, LPAIF_DMABASE_REG(v, ch, dir, dai_id), @@ -423,6 +578,16 @@ static int lpass_platform_pcmops_prepare(struct snd_soc_component *component, return ret; } + if (dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3 || + dai_id == LPASS_CDC_DMA_VA_TX0) { + ret = regmap_fields_write(dmactl->fifowm, id, LPAIF_DMACTL_FIFOWM_8); + if (ret) { + dev_err(soc_runtime->dev, "error writing fifowm field to dmactl reg: %d, id: %d\n", + ret, id); + return ret; + } + } ret = regmap_fields_write(dmactl->enable, id, LPAIF_DMACTL_ENABLE_ON); if (ret) { dev_err(soc_runtime->dev, "error writing to rdmactl reg: %d\n", @@ -457,14 +622,27 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, if (dai_id == LPASS_DP_RX) { dmactl = drvdata->hdmi_rd_dmactl; map = drvdata->hdmiif_map; + } else if (dai_id == LPASS_CDC_DMA_RX0) { + map = drvdata->rxtx_lpaif_map; + dmactl = drvdata->rxtx_rd_dmactl; } else { dmactl = drvdata->rd_dmactl; map = drvdata->lpaif_map; } } else { - dmactl = drvdata->wr_dmactl; - id = pcm_data->dma_ch - v->wrdma_channel_start; - map = drvdata->lpaif_map; + if (dai_id == LPASS_CDC_DMA_TX3) { + dmactl = drvdata->rxtx_wr_dmactl; + map = drvdata->rxtx_lpaif_map; + id = pcm_data->dma_ch - v->rxtx_wrdma_channel_start; + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + dmactl = drvdata->va_wr_dmactl; + map = drvdata->va_lpaif_map; + id = pcm_data->dma_ch - v->va_wrdma_channel_start; + } else { + dmactl = drvdata->wr_dmactl; + id = pcm_data->dma_ch - v->wrdma_channel_start; + map = drvdata->lpaif_map; + } } switch (cmd) { @@ -479,6 +657,24 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, return ret; } switch (dai_id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_VA_TX0: + ret = regmap_fields_write(dmactl->dyncclk, id, LPAIF_DMACTL_DYNCLK_ON); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg field: %d\n", ret); + return ret; + } + map = (dai_id == LPASS_CDC_DMA_VA_TX0) ? + drvdata->va_lpaif_map : drvdata->rxtx_lpaif_map; + reg_irqclr = LPAIF_RXTX_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST, dai_id); + val_irqclr = LPAIF_IRQ_ALL(ch); + + reg_irqen = LPAIF_RXTX_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST, dai_id); + val_mask = LPAIF_IRQ_ALL(ch); + val_irqen = LPAIF_IRQ_ALL(ch); + break; case LPASS_DP_RX: ret = regmap_fields_write(dmactl->dyncclk, id, LPAIF_DMACTL_DYNCLK_ON); @@ -543,6 +739,26 @@ static int lpass_platform_pcmops_trigger(struct snd_soc_component *component, return ret; } switch (dai_id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_VA_TX0: + ret = regmap_fields_write(dmactl->dyncclk, id, LPAIF_DMACTL_DYNCLK_OFF); + if (ret) { + dev_err(soc_runtime->dev, + "error writing to rdmactl reg field: %d\n", ret); + return ret; + } + map = (dai_id == LPASS_CDC_DMA_VA_TX0) ? + drvdata->va_lpaif_map : drvdata->rxtx_lpaif_map; + + reg_irqclr = LPAIF_RXTX_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST, dai_id); + val_irqclr = LPAIF_IRQ_ALL(ch); + + reg_irqen = LPAIF_RXTX_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST, dai_id); + val_mask = LPAIF_IRQ_ALL(ch); + val_irqen = LPAIF_IRQ_ALL(ch); + + break; case LPASS_DP_RX: ret = regmap_fields_write(dmactl->dyncclk, id, LPAIF_DMACTL_DYNCLK_OFF); @@ -601,6 +817,12 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( if (dai_id == LPASS_DP_RX) map = drvdata->hdmiif_map; + else if (dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3 || + dai_id == LPASS_CDC_DMA_VA_TX0) + map = (dai_id == LPASS_CDC_DMA_VA_TX0) ? + drvdata->va_lpaif_map : + drvdata->rxtx_lpaif_map; else map = drvdata->lpaif_map; @@ -625,12 +847,39 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( return bytes_to_frames(substream->runtime, curr_addr - base_addr); } +static int lpass_platform_cdc_dma_mmap(struct snd_soc_component *component, + struct snd_pcm_substream *substream, + struct vm_area_struct *vma) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + unsigned long size, offset; + int ret; + + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + size = vma->vm_end - vma->vm_start; + offset = vma->vm_pgoff << PAGE_SHIFT; + ret = io_remap_pfn_range(vma, vma->vm_start, + (runtime->dma_addr + offset) >> PAGE_SHIFT, + size, vma->vm_page_prot); + + return ret; +} + static int lpass_platform_pcmops_mmap(struct snd_soc_component *component, struct snd_pcm_substream *substream, struct vm_area_struct *vma) { struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *soc_runtime = asoc_substream_to_rtd(substream); + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); + unsigned int dai_id = cpu_dai->driver->id; + if (dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3 || + dai_id == LPASS_CDC_DMA_VA_TX0) { + lpass_platform_cdc_dma_mmap(component, substream, vma); + return 0; + } return dma_mmap_coherent(component->dev, vma, runtime->dma_area, runtime->dma_addr, runtime->dma_bytes); } @@ -651,6 +900,14 @@ static irqreturn_t lpass_dma_interrupt_handler( mask = LPAIF_IRQ_ALL(chan); switch (dai_id) { + case LPASS_CDC_DMA_RX0: + case LPASS_CDC_DMA_TX3: + case LPASS_CDC_DMA_VA_TX0: + map = (dai_id == LPASS_CDC_DMA_VA_TX0) ? + drvdata->va_lpaif_map : drvdata->rxtx_lpaif_map; + reg = LPAIF_RXTX_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST, dai_id); + val = 0; + break; case LPASS_DP_RX: map = drvdata->hdmiif_map; reg = LPASS_HDMITX_APP_IRQCLEAR_REG(v); @@ -774,41 +1031,131 @@ static irqreturn_t lpass_platform_hdmiif_irq(int irq, void *data) return rv; } } + return IRQ_HANDLED; +} + +static irqreturn_t lpass_platform_rxtxif_irq(int irq, void *data) +{ + struct lpass_data *drvdata = data; + struct lpass_variant *v = drvdata->variant; + unsigned int irqs; + int rv, chan; + + rv = regmap_read(drvdata->rxtx_lpaif_map, + LPAIF_RXTX_IRQSTAT_REG(v, LPAIF_IRQ_PORT_HOST, LPASS_CDC_DMA_RX0), &irqs); + if (rv) + return IRQ_NONE; + /* Handle per channel interrupts */ + for (chan = 0; chan < LPASS_MAX_CDC_DMA_CHANNELS; chan++) { + if (irqs & LPAIF_IRQ_ALL(chan) && drvdata->rxtx_substream[chan]) { + rv = lpass_dma_interrupt_handler( + drvdata->rxtx_substream[chan], + drvdata, chan, irqs); + if (rv != IRQ_HANDLED) + return rv; + } + } + + return IRQ_HANDLED; +} + +static irqreturn_t lpass_platform_vaif_irq(int irq, void *data) +{ + struct lpass_data *drvdata = data; + struct lpass_variant *v = drvdata->variant; + unsigned int irqs; + int rv, chan; + rv = regmap_read(drvdata->va_lpaif_map, + LPAIF_RXTX_IRQSTAT_REG(v, LPAIF_IRQ_PORT_HOST, + LPASS_CDC_DMA_VA_TX0), &irqs); + if (rv) + return IRQ_NONE; + /* Handle per channel interrupts */ + for (chan = 0; chan < LPASS_MAX_VA_CDC_DMA_CHANNELS; chan++) { + if (irqs & LPAIF_IRQ_ALL(chan) && drvdata->va_substream[chan]) { + rv = lpass_dma_interrupt_handler( + drvdata->va_substream[chan], + drvdata, chan, irqs); + if (rv != IRQ_HANDLED) + return rv; + } + } return IRQ_HANDLED; } +static int lpass_platform_prealloc_cdc_dma_buffer(struct snd_pcm *pcm, + struct snd_pcm_substream *substream, int dai_id) +{ + struct snd_dma_buffer *buf = &substream->dma_buffer; + int ret; + + ret = dma_coerce_mask_and_coherent(pcm->card->dev, DMA_BIT_MASK(64)); + if (ret) + return ret; + + buf->dev.dev = pcm->card->dev; + buf->private_data = NULL; + + /* Assign Codec DMA buffer pointers */ + buf->dev.type = SNDRV_DMA_TYPE_CONTINUOUS; + if (dai_id == LPASS_CDC_DMA_RX0) { + buf->bytes = lpass_platform_rxtx_hardware.buffer_bytes_max; + buf->addr = LPSAS_RXTX_CDC_DMA_LPM_ADDR; + } else if (dai_id == LPASS_CDC_DMA_TX3) { + buf->bytes = lpass_platform_rxtx_hardware.buffer_bytes_max; + buf->addr = LPSAS_RXTX_CDC_DMA_LPM_ADDR + LPSAS_RXTX_CDC_DMA_LPM_BUFF_SIZE; + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + buf->bytes = lpass_platform_va_hardware.buffer_bytes_max; + buf->addr = LPSAS_VA_CDC_DMA_LPM_ADDR; + } + + buf->area = (unsigned char * __force)ioremap(buf->addr, buf->bytes); + + return 0; +} + static int lpass_platform_pcm_new(struct snd_soc_component *component, struct snd_soc_pcm_runtime *soc_runtime) { struct snd_pcm *pcm = soc_runtime->pcm; struct snd_pcm_substream *psubstream, *csubstream; int ret; + struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(soc_runtime, 0); + unsigned int dai_id = cpu_dai->driver->id; + size_t size = lpass_platform_pcm_hardware.buffer_bytes_max; psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; if (psubstream) { - ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, - component->dev, - size, &psubstream->dma_buffer); - if (ret) { - dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); - return ret; + if (dai_id == LPASS_CDC_DMA_RX0) { + lpass_platform_prealloc_cdc_dma_buffer(pcm, psubstream, dai_id); + } else { + ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, + component->dev, + size, &psubstream->dma_buffer); + if (ret) { + dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); + return ret; + } } } csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; if (csubstream) { - ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, - component->dev, - size, &csubstream->dma_buffer); - if (ret) { - dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); - if (psubstream) - snd_dma_free_pages(&psubstream->dma_buffer); - return ret; + if (dai_id == LPASS_CDC_DMA_TX3 || dai_id == LPASS_CDC_DMA_VA_TX0) { + lpass_platform_prealloc_cdc_dma_buffer(pcm, csubstream, dai_id); + } else { + ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, + component->dev, + size, &csubstream->dma_buffer); + if (ret) { + dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); + if (psubstream) + snd_dma_free_pages(&psubstream->dma_buffer); + return ret; + } } - } return 0; @@ -818,18 +1165,43 @@ static void lpass_platform_pcm_free(struct snd_soc_component *component, struct snd_pcm *pcm) { struct snd_pcm_substream *substream; + unsigned int dai_id = component->id; int i; for_each_pcm_streams(i) { substream = pcm->streams[i].substream; if (substream) { - snd_dma_free_pages(&substream->dma_buffer); + if (dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3 || + dai_id == LPASS_CDC_DMA_VA_TX0) { + if (substream->dma_buffer.area) + iounmap((void __iomem *)substream->dma_buffer.area); + } else { + snd_dma_free_pages(&substream->dma_buffer); + } substream->dma_buffer.area = NULL; substream->dma_buffer.addr = 0; } } } +int lpass_platform_copy(struct snd_soc_component *component, + struct snd_pcm_substream *substream, int channel, + unsigned long pos, void __user *buf, unsigned long bytes) +{ + struct snd_pcm_runtime *rt = substream->runtime; + + unsigned char *dma_buf = rt->dma_area + pos + + channel * (rt->dma_bytes / rt->channels); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + return copy_from_user_toio(dma_buf, buf, bytes); + else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + return copy_to_user_fromio(buf, dma_buf, bytes); + + return 0; +} + static int lpass_platform_pcmops_suspend(struct snd_soc_component *component) { struct lpass_data *drvdata = snd_soc_component_get_drvdata(component); @@ -875,6 +1247,7 @@ static const struct snd_soc_component_driver lpass_component_driver = { .mmap = lpass_platform_pcmops_mmap, .pcm_construct = lpass_platform_pcm_new, .pcm_destruct = lpass_platform_pcm_free, + .copy_user = lpass_platform_copy, .suspend = lpass_platform_pcmops_suspend, .resume = lpass_platform_pcmops_resume, @@ -914,6 +1287,60 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev) return ret; } + if (drvdata->wcd_codec_enable) { + ret = regmap_write(drvdata->rxtx_lpaif_map, + LPAIF_RXTX_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST, LPASS_CDC_DMA_TX3), 0x0); + if (ret) { + dev_err(&pdev->dev, "error writing to rxtx irqen reg: %d\n", ret); + return ret; + } + ret = regmap_write(drvdata->va_lpaif_map, + LPAIF_RXTX_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST, LPASS_CDC_DMA_VA_TX0), 0x0); + if (ret) { + dev_err(&pdev->dev, "error writing to rxtx irqen reg: %d\n", ret); + return ret; + } + drvdata->rxtxif_irq = platform_get_irq_byname(pdev, "lpass-irq-rxtxif"); + if (drvdata->rxtxif_irq < 0) + return -ENODEV; + + ret = devm_request_irq(&pdev->dev, drvdata->rxtxif_irq, + lpass_platform_rxtxif_irq, IRQF_TRIGGER_RISING, + "lpass-irq-rxtxif", drvdata); + if (ret) { + dev_err(&pdev->dev, "rxtx irq request failed: %d\n", ret); + return ret; + } + + ret = lpass_platform_alloc_rxtx_dmactl_fields(&pdev->dev, + drvdata->rxtx_lpaif_map); + if (ret) { + dev_err(&pdev->dev, + "error initializing rxtx dmactl fields: %d\n", ret); + return ret; + } + + drvdata->vaif_irq = platform_get_irq_byname(pdev, "lpass-irq-vaif"); + if (drvdata->vaif_irq < 0) + return -ENODEV; + + ret = devm_request_irq(&pdev->dev, drvdata->vaif_irq, + lpass_platform_vaif_irq, IRQF_TRIGGER_RISING, + "lpass-irq-vaif", drvdata); + if (ret) { + dev_err(&pdev->dev, "va irq request failed: %d\n", ret); + return ret; + } + + ret = lpass_platform_alloc_va_dmactl_fields(&pdev->dev, + drvdata->va_lpaif_map); + if (ret) { + dev_err(&pdev->dev, + "error initializing va dmactl fields: %d\n", ret); + return ret; + } + } + if (drvdata->hdmi_port_enable) { drvdata->hdmiif_irq = platform_get_irq_byname(pdev, "lpass-irq-hdmi"); if (drvdata->hdmiif_irq < 0) From patchwork Fri Oct 1 11:21:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12530341 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5667CC433F5 for ; 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Fri, 01 Oct 2021 11:22:27 GMT Sender: srivasam=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 28EA6C43637; Fri, 1 Oct 2021 11:22:26 +0000 (UTC) Received: from hu-srivasam-hyd.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: srivasam) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8E7ABC4338F; Fri, 1 Oct 2021 11:22:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 8E7ABC4338F Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu , Venkata Prasad Potturu Subject: [PATCH 6/8] ASoC: dt-bindings: Add SC7280 sound card bindings Date: Fri, 1 Oct 2021 16:51:30 +0530 Message-Id: <1633087292-1378-7-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> References: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add bindings for lpass sc7280 based soundcards which supports audio over i2s based speaker, soundwire based headset, msm dmics and HDMI Port. Signed-off-by: Venkata Prasad Potturu Signed-off-by: Srinivasa Rao Mandadapu --- .../devicetree/bindings/sound/qcom,lpass-cpu.yaml | 69 +++++++++++++++++++--- 1 file changed, 61 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml index 1e23c0e..6840533 100644 --- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml @@ -22,35 +22,36 @@ properties: - qcom,lpass-cpu - qcom,apq8016-lpass-cpu - qcom,sc7180-lpass-cpu + - qcom,sc7280-lpass-cpu reg: - maxItems: 2 + maxItems: 5 description: LPAIF core registers reg-names: - maxItems: 2 + maxItems: 5 clocks: minItems: 3 - maxItems: 6 + maxItems: 7 clock-names: minItems: 3 - maxItems: 6 + maxItems: 7 interrupts: - maxItems: 2 + maxItems: 4 description: LPAIF DMA buffer interrupt interrupt-names: - maxItems: 2 + maxItems: 4 qcom,adsp: $ref: /schemas/types.yaml#/definitions/phandle description: Phandle for the audio DSP node iommus: - maxItems: 2 + maxItems: 3 description: Phandle to apps_smmu node with sid mask power-domains: @@ -69,7 +70,7 @@ patternProperties: "^dai-link@[0-9a-f]$": type: object description: | - LPASS CPU dai node for each I2S device. Bindings of each node + LPASS CPU dai node for each I2S device or Soundwire device. Bindings of each node depends on the specific driver providing the functionality and properties. properties: @@ -174,6 +175,58 @@ allOf: - iommus - power-domains + - if: + properties: + compatible: + contains: + const: qcom,sc7280-lpass-cpu + + then: + properties: + clock-names: + oneOf: + - items: #for I2S + - const: lpass_aon_cc_audio_hm_h_clk + - const: lpass_core_cc_sysnoc_mport_core_clk + - const: lpass_core_cc_ext_if1_ibit_clk + - items: #for Soundwire + - const: lpass_aon_cc_audio_hm_h_clk + - const: lpass_audio_cc_codec_mem0_clk + - const: lpass_audio_cc_codec_mem1_clk + - const: lpass_audio_cc_codec_mem2_clk + - items: #for HDMI + - const: lpass_aon_cc_audio_hm_h_clk + + reg-names: + anyOf: + - items: #for I2S + - const: lpass-lpaif + - items: #for I2S and HDMI + - const: lpass-hdmiif + - const: lpass-lpaif + - items: #for I2S, soundwire and HDMI + - const: lpass-cdc-lpm + - const: lpass-rxtx-lpaif + - const: lpass-va-lpaif + - const: lpass-hdmiif + - const: lpass-lpaif + interrupt-names: + anyOf: + - items: #for I2S + - const: lpass-irq-lpaif + - items: #for I2S and HDMI + - const: lpass-irq-lpaif + - const: lpass-irq-hdmi + - items: #for I2S, soundwire and HDMI + - const: lpass-irq-lpaif + - lpass-irq-vaif + - lpass-irq-rxtxif + - lpass-irq-hdmi + + required: + - iommus + - power-domains + examples: - | #include From patchwork Fri Oct 1 11:21:31 2021 Content-Type: text/plain; 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Fri, 1 Oct 2021 11:22:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org E1F31C43635 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu , Venkata Prasad Potturu Subject: [PATCH 7/8] ASoC: qcom: lpass-sc7280: Add platform driver for lpass audio Date: Fri, 1 Oct 2021 16:51:31 +0530 Message-Id: <1633087292-1378-8-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> References: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add platform driver for configuring sc7280 lpass core I2S and DMA configuration to support playback & capture to external codecs connected over secondary MI2S interface and soundwire interface. Signed-off-by: Venkata Prasad Potturu Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/lpass-sc7280.c | 600 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 600 insertions(+) create mode 100644 sound/soc/qcom/lpass-sc7280.c diff --git a/sound/soc/qcom/lpass-sc7280.c b/sound/soc/qcom/lpass-sc7280.c new file mode 100644 index 0000000..983a61b --- /dev/null +++ b/sound/soc/qcom/lpass-sc7280.c @@ -0,0 +1,600 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved. + * + * lpass-sc7180.c -- ALSA SoC platform-machine driver for QTi LPASS + */ + +#include +#include +#include +#include +#include + +#include + +#include "lpass-lpaif-reg.h" +#include "lpass.h" + +static struct snd_soc_dai_driver sc7280_lpass_cpu_dai_driver[] = { + { + .id = LPASS_CDC_DMA_RX0, + .name = "CDC DMA RX", + .playback = { + .stream_name = "WCD Playback", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .ops = &asoc_qcom_lpass_wcd_dai_ops, + }, + { + .id = LPASS_CDC_DMA_TX3, + .name = "CDC DMA TX", + .capture = { + .stream_name = "WCD Capture", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 1, + .channels_max = 2, + }, + .ops = &asoc_qcom_lpass_wcd_dai_ops, + }, + + { + .id = MI2S_SECONDARY, + .name = "Secondary MI2S", + .playback = { + .stream_name = "Secondary MI2S Playback", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .probe = &asoc_qcom_lpass_cpu_dai_probe, + .ops = &asoc_qcom_lpass_cpu_dai_ops, + }, + { + .id = LPASS_DP_RX, + .name = "Hdmi", + .playback = { + .stream_name = "DP Playback", + .formats = SNDRV_PCM_FMTBIT_S24, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + }, + .ops = &asoc_qcom_lpass_hdmi_dai_ops, + }, + { + .id = LPASS_CDC_DMA_VA_TX0, + .name = "CDC DMA VA", + .capture = { + .stream_name = "DMIC Capture", + .formats = SNDRV_PCM_FMTBIT_S16, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 4, + }, + .ops = &asoc_qcom_lpass_wcd_dai_ops, + }, +}; + +static int sc7280_lpass_alloc_dma_channel(struct lpass_data *drvdata, + int direction, unsigned int dai_id) +{ + struct lpass_variant *v = drvdata->variant; + int chan = 0; + + if (dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3) { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->rxtx_dma_ch_bit_map, + v->rxtx_rdma_channels); + + if (chan >= v->rxtx_rdma_channels) + return -EBUSY; + } else { + chan = find_next_zero_bit(&drvdata->rxtx_dma_ch_bit_map, + v->rxtx_wrdma_channel_start + + v->rxtx_wrdma_channels, + v->rxtx_wrdma_channel_start); + + if (chan >= v->rxtx_wrdma_channel_start + v->rxtx_wrdma_channels) + return -EBUSY; + } + + set_bit(chan, &drvdata->rxtx_dma_ch_bit_map); + } else if (dai_id == LPASS_CDC_DMA_VA_TX0) { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->va_dma_ch_bit_map, + v->va_rdma_channels); + + if (chan >= v->va_rdma_channels) + return -EBUSY; + } else { + chan = find_next_zero_bit(&drvdata->va_dma_ch_bit_map, + v->va_wrdma_channel_start + + v->va_wrdma_channels, + v->va_wrdma_channel_start); + + if (chan >= v->va_wrdma_channel_start + v->va_wrdma_channels) + return -EBUSY; + } + + set_bit(chan, &drvdata->va_dma_ch_bit_map); + } else if (dai_id == LPASS_DP_RX) { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->hdmi_dma_ch_bit_map, + v->hdmi_rdma_channels); + + if (chan >= v->hdmi_rdma_channels) + return -EBUSY; + } + set_bit(chan, &drvdata->hdmi_dma_ch_bit_map); + } else { + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + chan = find_first_zero_bit(&drvdata->dma_ch_bit_map, + v->rdma_channels); + + if (chan >= v->rdma_channels) + return -EBUSY; + } else { + chan = find_next_zero_bit(&drvdata->dma_ch_bit_map, + v->wrdma_channel_start + + v->wrdma_channels, + v->wrdma_channel_start); + + if (chan >= v->wrdma_channel_start + v->wrdma_channels) + return -EBUSY; + } + set_bit(chan, &drvdata->dma_ch_bit_map); + } + return chan; +} + +static int sc7280_lpass_free_dma_channel(struct lpass_data *drvdata, int chan, unsigned int dai_id) +{ + if (dai_id == LPASS_CDC_DMA_RX0 || + dai_id == LPASS_CDC_DMA_TX3) + clear_bit(chan, &drvdata->rxtx_dma_ch_bit_map); + else if (dai_id == LPASS_CDC_DMA_VA_TX0) + clear_bit(chan, &drvdata->va_dma_ch_bit_map); + else if (dai_id == LPASS_DP_RX) + clear_bit(chan, &drvdata->hdmi_dma_ch_bit_map); + else + clear_bit(chan, &drvdata->dma_ch_bit_map); + + return 0; +} + +static int lpass_sc7280_pds_enable(struct platform_device *pdev) +{ + int ret; + int i; + struct lpass_data *drvdata = platform_get_drvdata(pdev); + struct lpass_variant *variant = drvdata->variant; + struct device **pds = variant->proxy_pds; + size_t pd_count = variant->proxy_pd_count; + + for (i = 0; i < pd_count; i++) { + dev_pm_genpd_set_performance_state(pds[i], INT_MAX); + ret = pm_runtime_get_sync(pds[i]); + if (ret < 0) { + pm_runtime_put_noidle(pds[i]); + dev_pm_genpd_set_performance_state(pds[i], 0); + goto unroll_pd_votes; + } + } + pds = variant->active_pds; + pd_count = variant->active_pd_count; + + for (i = 0; i < pd_count; i++) { + dev_pm_genpd_set_performance_state(pds[i], INT_MAX); + ret = pm_runtime_get_sync(pds[i]); + if (ret < 0) { + pm_runtime_put_noidle(pds[i]); + dev_pm_genpd_set_performance_state(pds[i], 0); + goto unroll_pd_votes; + } + } + return 0; + +unroll_pd_votes: + for (i--; i >= 0; i--) { + dev_pm_genpd_set_performance_state(pds[i], 0); + pm_runtime_put(pds[i]); + } + return ret; +}; + +static void lpass_sc7280_pds_disable(struct platform_device *pdev) +{ + int i; + struct lpass_data *drvdata = platform_get_drvdata(pdev); + struct lpass_variant *variant = drvdata->variant; + struct device **pds = variant->proxy_pds; + size_t pd_count = variant->proxy_pd_count; + + for (i = 0; i < pd_count; i++) { + dev_pm_genpd_set_performance_state(pds[i], 0); + pm_runtime_put(pds[i]); + } + + pds = variant->active_pds; + pd_count = variant->active_pd_count; + + for (i = 0; i < pd_count; i++) { + dev_pm_genpd_set_performance_state(pds[i], 0); + pm_runtime_put(pds[i]); + } +} + +static int lpass_sc7280_pds_attach(struct platform_device *pdev) +{ + int ret; + int i; + struct lpass_data *drvdata = platform_get_drvdata(pdev); + struct lpass_variant *variant = drvdata->variant; + struct device *dev = &pdev->dev; + const char * const *pd_names = variant->proxy_pd_names; + struct device **devs = variant->proxy_pds; + size_t num_pds = variant->proxy_pd_count; + + if (!pd_names) + return 0; + + /* Handle single power domain */ + if (dev->pm_domain) { + devs[0] = dev; + pm_runtime_enable(dev); + return 1; + } + + for (i = 0; i < num_pds; i++) { + devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]); + if (IS_ERR_OR_NULL(devs[i])) { + ret = PTR_ERR(devs[i]) ? : -ENODATA; + goto unroll_attach; + } + } + + pd_names = variant->active_pd_names; + devs = variant->active_pds; + num_pds = variant->active_pd_count; + for (i = 0; i < num_pds; i++) { + devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]); + if (IS_ERR_OR_NULL(devs[i])) { + ret = PTR_ERR(devs[i]) ? : -ENODATA; + goto unroll_attach; + } + } + return 0; + +unroll_attach: + for (i--; i >= 0; i--) + dev_pm_domain_detach(devs[i], false); + + return ret; +}; + +static void lpass_sc7280_pds_detach(struct platform_device *pdev) +{ + int i; + struct lpass_data *drvdata = platform_get_drvdata(pdev); + struct lpass_variant *variant = drvdata->variant; + struct device *dev = &pdev->dev; + struct device **pds = variant->proxy_pds; + size_t pd_count = variant->proxy_pd_count; + + /* Handle single power domain */ + if (dev->pm_domain && pd_count) { + pm_runtime_disable(dev); + return; + } + + for (i = 0; i < pd_count; i++) + dev_pm_domain_detach(pds[i], false); + + pds = variant->active_pds; + pd_count = variant->active_pd_count; + + /* Handle single power domain */ + if (dev->pm_domain && pd_count) { + pm_runtime_disable(dev); + return; + } + + for (i = 0; i < pd_count; i++) + dev_pm_domain_detach(pds[i], false); +} + +static int sc7280_lpass_pds_init(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + int ret; + + ret = lpass_sc7280_pds_attach(pdev); + if (ret) { + dev_err(dev, "Failed to attach power domains %d\n", ret); + return ret; + } + ret = lpass_sc7280_pds_enable(pdev); + if (ret) { + lpass_sc7280_pds_detach(pdev); + dev_err(dev, "Failed to enable power domains %d\n", ret); + return ret; + } + + return 0; +} + +static void sc7280_lpass_pds_exit(struct platform_device *pdev) +{ + lpass_sc7280_pds_disable(pdev); + lpass_sc7280_pds_detach(pdev); +} + +static int sc7280_lpass_init(struct platform_device *pdev) +{ + struct lpass_data *drvdata = platform_get_drvdata(pdev); + struct lpass_variant *variant = drvdata->variant; + struct device *dev = &pdev->dev; + int ret; + + drvdata->clks = devm_kcalloc(dev, variant->num_clks, + sizeof(*drvdata->clks), GFP_KERNEL); + drvdata->num_clks = variant->num_clks; + + drvdata->aon_cc_audio_hm_h = devm_clk_get(dev, "lpass_aon_cc_audio_hm_h_clk"); + if (IS_ERR(drvdata->aon_cc_audio_hm_h)) + return PTR_ERR(drvdata->aon_cc_audio_hm_h); + drvdata->core_cc_sysnoc_mport_core = devm_clk_get(dev, + "lpass_core_cc_sysnoc_mport_core_clk"); + if (IS_ERR(drvdata->core_cc_sysnoc_mport_core)) + return PTR_ERR(drvdata->core_cc_sysnoc_mport_core); + + ret = sc7280_lpass_pds_init(pdev); + if (ret) { + dev_err(dev, "sc7280 power domains init failed\n"); + return ret; + } + clk_prepare_enable(drvdata->aon_cc_audio_hm_h); + clk_prepare_enable(drvdata->core_cc_sysnoc_mport_core); + return 0; +} + +static int sc7280_lpass_exit(struct platform_device *pdev) +{ + struct lpass_data *drvdata = platform_get_drvdata(pdev); + + clk_disable_unprepare(drvdata->core_cc_sysnoc_mport_core); + clk_disable_unprepare(drvdata->aon_cc_audio_hm_h); + + sc7280_lpass_pds_exit(pdev); + return 0; +} + +static struct lpass_variant sc7280_data = { + .i2sctrl_reg_base = 0x1000, + .i2sctrl_reg_stride = 0x1000, + .i2s_ports = 3, + .irq_reg_base = 0x9000, + .irq_reg_stride = 0x1000, + .irq_ports = 3, + .rdma_reg_base = 0xC000, + .rdma_reg_stride = 0x1000, + .rdma_channels = 5, + .rxtx_rdma_reg_base = 0xC000, + .rxtx_rdma_reg_stride = 0x1000, + .rxtx_rdma_channels = 8, + .hdmi_rdma_reg_base = 0x64000, + .hdmi_rdma_reg_stride = 0x1000, + .hdmi_rdma_channels = 4, + .dmactl_audif_start = 1, + .wrdma_reg_base = 0x18000, + .wrdma_reg_stride = 0x1000, + .wrdma_channel_start = 5, + .wrdma_channels = 4, + .rxtx_irq_reg_base = 0x9000, + .rxtx_irq_reg_stride = 0x1000, + .rxtx_irq_ports = 3, + .rxtx_wrdma_reg_base = 0x18000, + .rxtx_wrdma_reg_stride = 0x1000, + .rxtx_wrdma_channel_start = 5, + .rxtx_wrdma_channels = 6, + .va_wrdma_reg_base = 0x18000, + .va_wrdma_reg_stride = 0x1000, + .va_wrdma_channel_start = 5, + .va_wrdma_channels = 3, + .va_irq_reg_base = 0x9000, + .va_irq_reg_stride = 0x1000, + .va_irq_ports = 3, + + .loopback = REG_FIELD_ID(0x1000, 17, 17, 3, 0x1000), + .spken = REG_FIELD_ID(0x1000, 16, 16, 3, 0x1000), + .spkmode = REG_FIELD_ID(0x1000, 11, 15, 3, 0x1000), + .spkmono = REG_FIELD_ID(0x1000, 10, 10, 3, 0x1000), + .micen = REG_FIELD_ID(0x1000, 9, 9, 3, 0x1000), + .micmode = REG_FIELD_ID(0x1000, 4, 8, 3, 0x1000), + .micmono = REG_FIELD_ID(0x1000, 3, 3, 3, 0x1000), + .wssrc = REG_FIELD_ID(0x1000, 2, 2, 3, 0x1000), + .bitwidth = REG_FIELD_ID(0x1000, 0, 1, 3, 0x1000), + + .rdma_dyncclk = REG_FIELD_ID(0xC000, 21, 21, 5, 0x1000), + .rdma_bursten = REG_FIELD_ID(0xC000, 20, 20, 5, 0x1000), + .rdma_wpscnt = REG_FIELD_ID(0xC000, 16, 19, 5, 0x1000), + .rdma_intf = REG_FIELD_ID(0xC000, 12, 15, 5, 0x1000), + .rdma_fifowm = REG_FIELD_ID(0xC000, 1, 5, 5, 0x1000), + .rdma_enable = REG_FIELD_ID(0xC000, 0, 0, 5, 0x1000), + + .rxtx_rdma_enable = REG_FIELD_ID(0xC000, 0, 0, 7, 0x1000), + .rxtx_rdma_fifowm = REG_FIELD_ID(0xC000, 1, 11, 7, 0x1000), + .rxtx_rdma_intf = REG_FIELD_ID(0xC000, 12, 15, 7, 0x1000), + .rxtx_rdma_wpscnt = REG_FIELD_ID(0xC000, 16, 19, 7, 0x1000), + .rxtx_rdma_bursten = REG_FIELD_ID(0xC000, 20, 20, 7, 0x1000), + .rxtx_rdma_dyncclk = REG_FIELD_ID(0xC000, 21, 21, 7, 0x1000), + + .rxtx_rdma_codec_ch = REG_FIELD_ID(0xC050, 0, 7, 7, 0x1000), + .rxtx_rdma_codec_intf = REG_FIELD_ID(0xC050, 16, 19, 7, 0x1000), + .rxtx_rdma_codec_fs_delay = REG_FIELD_ID(0xC050, 21, 24, 7, 0x1000), + .rxtx_rdma_codec_fs_sel = REG_FIELD_ID(0xC050, 25, 27, 7, 0x1000), + .rxtx_rdma_codec_pack = REG_FIELD_ID(0xC050, 29, 29, 5, 0x1000), + .rxtx_rdma_codec_enable = REG_FIELD_ID(0xC050, 30, 30, 7, 0x1000), + + .rxtx_wrdma_enable = REG_FIELD_ID(0x18000, 0, 0, 5, 0x1000), + .rxtx_wrdma_fifowm = REG_FIELD_ID(0x18000, 1, 11, 5, 0x1000), + .rxtx_wrdma_intf = REG_FIELD_ID(0x18000, 12, 16, 5, 0x1000), + .rxtx_wrdma_wpscnt = REG_FIELD_ID(0x18000, 17, 20, 5, 0x1000), + .rxtx_wrdma_bursten = REG_FIELD_ID(0x18000, 21, 21, 5, 0x1000), + .rxtx_wrdma_dyncclk = REG_FIELD_ID(0x18000, 22, 22, 5, 0x1000), + + .rxtx_wrdma_codec_ch = REG_FIELD_ID(0x18050, 0, 7, 5, 0x1000), + .rxtx_wrdma_codec_intf = REG_FIELD_ID(0x18050, 16, 19, 5, 0x1000), + .rxtx_wrdma_codec_fs_delay = REG_FIELD_ID(0x18050, 21, 24, 5, 0x1000), + .rxtx_wrdma_codec_fs_sel = REG_FIELD_ID(0x18050, 25, 27, 5, 0x1000), + .rxtx_wrdma_codec_pack = REG_FIELD_ID(0x18050, 29, 29, 5, 0x1000), + .rxtx_wrdma_codec_enable = REG_FIELD_ID(0x18050, 30, 30, 5, 0x1000), + + .va_wrdma_enable = REG_FIELD_ID(0x18000, 0, 0, 5, 0x1000), + .va_wrdma_fifowm = REG_FIELD_ID(0x18000, 1, 11, 5, 0x1000), + .va_wrdma_intf = REG_FIELD_ID(0x18000, 12, 16, 5, 0x1000), + .va_wrdma_wpscnt = REG_FIELD_ID(0x18000, 17, 20, 5, 0x1000), + .va_wrdma_bursten = REG_FIELD_ID(0x18000, 21, 21, 5, 0x1000), + .va_wrdma_dyncclk = REG_FIELD_ID(0x18000, 22, 22, 5, 0x1000), + + .va_wrdma_codec_ch = REG_FIELD_ID(0x18050, 0, 7, 5, 0x1000), + .va_wrdma_codec_intf = REG_FIELD_ID(0x18050, 16, 19, 5, 0x1000), + .va_wrdma_codec_fs_delay = REG_FIELD_ID(0x18050, 21, 24, 5, 0x1000), + .va_wrdma_codec_fs_sel = REG_FIELD_ID(0x18050, 25, 27, 5, 0x1000), + .va_wrdma_codec_pack = REG_FIELD_ID(0x18050, 29, 29, 5, 0x1000), + .va_wrdma_codec_enable = REG_FIELD_ID(0x18050, 30, 30, 5, 0x1000), + + .hdmi_tx_ctl_addr = 0x1000, + .hdmi_legacy_addr = 0x1008, + .hdmi_vbit_addr = 0x610c0, + .hdmi_ch_lsb_addr = 0x61048, + .hdmi_ch_msb_addr = 0x6104c, + .ch_stride = 0x8, + .hdmi_parity_addr = 0x61034, + .hdmi_dmactl_addr = 0x61038, + .hdmi_dma_stride = 0x4, + .hdmi_DP_addr = 0x610c8, + .hdmi_sstream_addr = 0x6101c, + .hdmi_irq_reg_base = 0x63000, + .hdmi_irq_ports = 1, + + .hdmi_rdma_dyncclk = REG_FIELD_ID(0x64000, 14, 14, 4, 0x1000), + .hdmi_rdma_bursten = REG_FIELD_ID(0x64000, 13, 13, 4, 0x1000), + .hdmi_rdma_burst8 = REG_FIELD_ID(0x64000, 15, 15, 4, 0x1000), + .hdmi_rdma_burst16 = REG_FIELD_ID(0x64000, 16, 16, 4, 0x1000), + .hdmi_rdma_dynburst = REG_FIELD_ID(0x64000, 18, 18, 4, 0x1000), + .hdmi_rdma_wpscnt = REG_FIELD_ID(0x64000, 10, 12, 4, 0x1000), + .hdmi_rdma_fifowm = REG_FIELD_ID(0x64000, 1, 5, 4, 0x1000), + .hdmi_rdma_enable = REG_FIELD_ID(0x64000, 0, 0, 4, 0x1000), + + .sstream_en = REG_FIELD(0x6101c, 0, 0), + .dma_sel = REG_FIELD(0x6101c, 1, 2), + .auto_bbit_en = REG_FIELD(0x6101c, 3, 3), + .layout = REG_FIELD(0x6101c, 4, 4), + .layout_sp = REG_FIELD(0x6101c, 5, 8), + .set_sp_on_en = REG_FIELD(0x6101c, 10, 10), + .dp_audio = REG_FIELD(0x6101c, 11, 11), + .dp_staffing_en = REG_FIELD(0x6101c, 12, 12), + .dp_sp_b_hw_en = REG_FIELD(0x6101c, 13, 13), + + .mute = REG_FIELD(0x610c8, 0, 0), + .as_sdp_cc = REG_FIELD(0x610c8, 1, 3), + .as_sdp_ct = REG_FIELD(0x610c8, 4, 7), + .aif_db4 = REG_FIELD(0x610c8, 8, 15), + .frequency = REG_FIELD(0x610c8, 16, 21), + .mst_index = REG_FIELD(0x610c8, 28, 29), + .dptx_index = REG_FIELD(0x610c8, 30, 31), + + .soft_reset = REG_FIELD(0x1000, 31, 31), + .force_reset = REG_FIELD(0x1000, 30, 30), + + .use_hw_chs = REG_FIELD(0x61038, 0, 0), + .use_hw_usr = REG_FIELD(0x61038, 1, 1), + .hw_chs_sel = REG_FIELD(0x61038, 2, 4), + .hw_usr_sel = REG_FIELD(0x61038, 5, 6), + + .replace_vbit = REG_FIELD(0x610c0, 0, 0), + .vbit_stream = REG_FIELD(0x610c0, 1, 1), + + .legacy_en = REG_FIELD(0x1008, 0, 0), + .calc_en = REG_FIELD(0x61034, 0, 0), + .lsb_bits = REG_FIELD(0x61048, 0, 31), + .msb_bits = REG_FIELD(0x6104c, 0, 31), + + + .clk_name = (const char*[]) { + "lpass_aon_cc_audio_hm_h_clk", + "lpass_core_cc_sysnoc_mport_core_clk" + }, + .num_clks = 2, + .cdc_dma_clk_names = (const char*[]) { + "lpass_audio_cc_codec_mem0_clk", + "lpass_audio_cc_codec_mem1_clk", + "lpass_audio_cc_codec_mem2_clk", + "lpass_aon_cc_va_mem0_clk" + }, + .cdc_dma_num_clks = 4, + .dai_driver = sc7280_lpass_cpu_dai_driver, + .num_dai = ARRAY_SIZE(sc7280_lpass_cpu_dai_driver), + .dai_osr_clk_names = (const char *[]) { + "null", + "null" + }, + .dai_bit_clk_names = (const char *[]) { + "null", + "lpass_core_cc_ext_if0_ibit_clk", + "lpass_core_cc_ext_if1_ibit_clk" + }, + .active_pd_names = (const char*[]){ + NULL + }, + .active_pd_count = 0, + .proxy_pd_names = (const char*[]){ + "lcx", + NULL + }, + .proxy_pd_count = 1, + .init = sc7280_lpass_init, + .exit = sc7280_lpass_exit, + .alloc_dma_channel = sc7280_lpass_alloc_dma_channel, + .free_dma_channel = sc7280_lpass_free_dma_channel, +}; + +static const struct of_device_id sc7280_lpass_cpu_device_id[] = { + {.compatible = "qcom,sc7280-lpass-cpu", .data = &sc7280_data}, + {} +}; +MODULE_DEVICE_TABLE(of, sc7280_lpass_cpu_device_id); + +static struct platform_driver sc7280_lpass_cpu_platform_driver = { + .driver = { + .name = "sc7280-lpass-cpu", + .of_match_table = of_match_ptr(sc7280_lpass_cpu_device_id), + }, + .probe = asoc_qcom_lpass_cpu_platform_probe, + .remove = asoc_qcom_lpass_cpu_platform_remove, + .shutdown = asoc_qcom_lpass_cpu_platform_shutdown, +}; + +module_platform_driver(sc7280_lpass_cpu_platform_driver); + +MODULE_DESCRIPTION("SC7280 LPASS CPU DRIVER"); +MODULE_LICENSE("GPL v2"); + From patchwork Fri Oct 1 11:21:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12530335 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on 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0FADBC4338F; Fri, 1 Oct 2021 11:22:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 0FADBC4338F Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, swboyd@chromium.org, judyhsiao@chromium.org Cc: Srinivasa Rao Mandadapu , Venkata Prasad Potturu Subject: [PATCH 8/8] ASoc: qcom: lpass: Add suspend and resume for sc7280 platform Date: Fri, 1 Oct 2021 16:51:32 +0530 Message-Id: <1633087292-1378-9-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> References: <1633087292-1378-1-git-send-email-srivasam@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Adds device suspend and resume callbacks for sc7280 platform driver ops. Signed-off-by: Venkata Prasad Potturu Signed-off-by: Srinivasa Rao Mandadapu --- sound/soc/qcom/lpass-cpu.c | 22 ++++++++++++++++++++++ sound/soc/qcom/lpass-sc7280.c | 2 ++ sound/soc/qcom/lpass.h | 2 ++ 3 files changed, 26 insertions(+) diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index c8dec52..5aa5630 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -1307,6 +1307,28 @@ int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev) } EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_probe); +int asoc_qcom_lpass_cpu_platform_resume(struct platform_device *pdev) +{ + struct lpass_data *drvdata = platform_get_drvdata(pdev); + + if (drvdata->variant->init) + drvdata->variant->init(pdev); + + return 0; +} +EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_resume); + +int asoc_qcom_lpass_cpu_platform_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct lpass_data *drvdata = platform_get_drvdata(pdev); + + if (drvdata->variant->exit) + drvdata->variant->exit(pdev); + + return 0; +} +EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_suspend); + int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev) { struct lpass_data *drvdata = platform_get_drvdata(pdev); diff --git a/sound/soc/qcom/lpass-sc7280.c b/sound/soc/qcom/lpass-sc7280.c index 983a61b..6fdf111 100644 --- a/sound/soc/qcom/lpass-sc7280.c +++ b/sound/soc/qcom/lpass-sc7280.c @@ -591,6 +591,8 @@ static struct platform_driver sc7280_lpass_cpu_platform_driver = { .probe = asoc_qcom_lpass_cpu_platform_probe, .remove = asoc_qcom_lpass_cpu_platform_remove, .shutdown = asoc_qcom_lpass_cpu_platform_shutdown, + .resume = asoc_qcom_lpass_cpu_platform_resume, + .suspend = asoc_qcom_lpass_cpu_platform_suspend, }; module_platform_driver(sc7280_lpass_cpu_platform_driver); diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index e0ea698..53d9b5d 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -419,5 +419,7 @@ extern const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops; int lpass_cpu_pcm_new(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai); extern const struct snd_soc_dai_ops asoc_qcom_lpass_wcd_dai_ops; +int asoc_qcom_lpass_cpu_platform_suspend(struct platform_device *pdev, pm_message_t state); +int asoc_qcom_lpass_cpu_platform_resume(struct platform_device *pdev); #endif /* __LPASS_H__ */