From patchwork Thu Jun 29 01:37:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 697846 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A70DEB64D7 for ; Thu, 29 Jun 2023 02:16:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231689AbjF2CQx (ORCPT ); Wed, 28 Jun 2023 22:16:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231497AbjF2CQt (ORCPT ); Wed, 28 Jun 2023 22:16:49 -0400 Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C87952122; Wed, 28 Jun 2023 19:16:46 -0700 (PDT) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id E336E1A0D8C; Thu, 29 Jun 2023 04:10:33 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 80C6F1A0D70; Thu, 29 Jun 2023 04:10:33 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id BFBB2181D0E3; Thu, 29 Jun 2023 10:10:31 +0800 (+08) From: Shengjiu Wang To: tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 1/6] media: v4l2: Add audio capture and output support Date: Thu, 29 Jun 2023 09:37:48 +0800 Message-Id: <1688002673-28493-2-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> References: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Audio signal processing has the requirement for memory to memory similar as Video. This patch is to add this support in v4l2 framework, defined new buffer type V4L2_BUF_TYPE_AUDIO_CAPTURE and V4L2_BUF_TYPE_AUDIO_OUTPUT, defined new format v4l2_audio_format for audio case usage. The created audio device is named "/dev/audioX". Signed-off-by: Shengjiu Wang --- .../media/common/videobuf2/videobuf2-v4l2.c | 4 ++ drivers/media/v4l2-core/v4l2-dev.c | 17 ++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 52 +++++++++++++++++++ include/media/v4l2-dev.h | 2 + include/media/v4l2-ioctl.h | 34 ++++++++++++ include/uapi/linux/videodev2.h | 19 +++++++ 6 files changed, 128 insertions(+) diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c index c7a54d82a55e..12f2be2773a2 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -785,6 +785,10 @@ int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create) case V4L2_BUF_TYPE_META_OUTPUT: requested_sizes[0] = f->fmt.meta.buffersize; break; + case V4L2_BUF_TYPE_AUDIO_CAPTURE: + case V4L2_BUF_TYPE_AUDIO_OUTPUT: + requested_sizes[0] = f->fmt.audio.buffersize; + break; default: return -EINVAL; } diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index f81279492682..67484f4c6eaf 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -553,6 +553,7 @@ static void determine_valid_ioctls(struct video_device *vdev) bool is_tch = vdev->vfl_type == VFL_TYPE_TOUCH; bool is_meta = vdev->vfl_type == VFL_TYPE_VIDEO && (vdev->device_caps & meta_caps); + bool is_audio = vdev->vfl_type == VFL_TYPE_AUDIO; bool is_rx = vdev->vfl_dir != VFL_DIR_TX; bool is_tx = vdev->vfl_dir != VFL_DIR_RX; bool is_io_mc = vdev->device_caps & V4L2_CAP_IO_MC; @@ -664,6 +665,19 @@ static void determine_valid_ioctls(struct video_device *vdev) SET_VALID_IOCTL(ops, VIDIOC_S_FMT, vidioc_s_fmt_meta_out); SET_VALID_IOCTL(ops, VIDIOC_TRY_FMT, vidioc_try_fmt_meta_out); } + if (is_audio && is_rx) { + /* audio capture specific ioctls */ + SET_VALID_IOCTL(ops, VIDIOC_ENUM_FMT, vidioc_enum_fmt_audio_cap); + SET_VALID_IOCTL(ops, VIDIOC_G_FMT, vidioc_g_fmt_audio_cap); + SET_VALID_IOCTL(ops, VIDIOC_S_FMT, vidioc_s_fmt_audio_cap); + SET_VALID_IOCTL(ops, VIDIOC_TRY_FMT, vidioc_try_fmt_audio_cap); + } else if (is_audio && is_tx) { + /* audio output specific ioctls */ + SET_VALID_IOCTL(ops, VIDIOC_ENUM_FMT, vidioc_enum_fmt_audio_out); + SET_VALID_IOCTL(ops, VIDIOC_G_FMT, vidioc_g_fmt_audio_out); + SET_VALID_IOCTL(ops, VIDIOC_S_FMT, vidioc_s_fmt_audio_out); + SET_VALID_IOCTL(ops, VIDIOC_TRY_FMT, vidioc_try_fmt_audio_out); + } if (is_vbi) { /* vbi specific ioctls */ if ((is_rx && (ops->vidioc_g_fmt_vbi_cap || @@ -927,6 +941,9 @@ int __video_register_device(struct video_device *vdev, case VFL_TYPE_TOUCH: name_base = "v4l-touch"; break; + case VFL_TYPE_AUDIO: + name_base = "audio"; + break; default: pr_err("%s called with unknown type: %d\n", __func__, type); diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index a858acea6547..26bc4b0d8ef0 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -188,6 +188,8 @@ const char *v4l2_type_names[] = { [V4L2_BUF_TYPE_SDR_OUTPUT] = "sdr-out", [V4L2_BUF_TYPE_META_CAPTURE] = "meta-cap", [V4L2_BUF_TYPE_META_OUTPUT] = "meta-out", + [V4L2_BUF_TYPE_AUDIO_CAPTURE] = "audio-cap", + [V4L2_BUF_TYPE_AUDIO_OUTPUT] = "audio-out", }; EXPORT_SYMBOL(v4l2_type_names); @@ -276,6 +278,7 @@ static void v4l_print_format(const void *arg, bool write_only) const struct v4l2_sliced_vbi_format *sliced; const struct v4l2_window *win; const struct v4l2_meta_format *meta; + const struct v4l2_audio_format *audio; u32 pixelformat; u32 planes; unsigned i; @@ -346,6 +349,12 @@ static void v4l_print_format(const void *arg, bool write_only) pr_cont(", dataformat=%p4cc, buffersize=%u\n", &pixelformat, meta->buffersize); break; + case V4L2_BUF_TYPE_AUDIO_CAPTURE: + case V4L2_BUF_TYPE_AUDIO_OUTPUT: + audio = &p->fmt.audio; + pr_cont(", rate=%u, format=%u, channels=%u, buffersize=%u\n", + audio->rate, audio->format, audio->channels, audio->buffersize); + break; } } @@ -927,6 +936,7 @@ static int check_fmt(struct file *file, enum v4l2_buf_type type) bool is_tch = vfd->vfl_type == VFL_TYPE_TOUCH; bool is_meta = vfd->vfl_type == VFL_TYPE_VIDEO && (vfd->device_caps & meta_caps); + bool is_audio = vfd->vfl_type == VFL_TYPE_AUDIO; bool is_rx = vfd->vfl_dir != VFL_DIR_TX; bool is_tx = vfd->vfl_dir != VFL_DIR_RX; @@ -992,6 +1002,14 @@ static int check_fmt(struct file *file, enum v4l2_buf_type type) if (is_meta && is_tx && ops->vidioc_g_fmt_meta_out) return 0; break; + case V4L2_BUF_TYPE_AUDIO_CAPTURE: + if (is_audio && is_rx && ops->vidioc_g_fmt_audio_cap) + return 0; + break; + case V4L2_BUF_TYPE_AUDIO_OUTPUT: + if (is_audio && is_tx && ops->vidioc_g_fmt_audio_out) + return 0; + break; default: break; } @@ -1592,6 +1610,16 @@ static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, break; ret = ops->vidioc_enum_fmt_meta_out(file, fh, arg); break; + case V4L2_BUF_TYPE_AUDIO_CAPTURE: + if (unlikely(!ops->vidioc_enum_fmt_audio_cap)) + break; + ret = ops->vidioc_enum_fmt_audio_cap(file, fh, arg); + break; + case V4L2_BUF_TYPE_AUDIO_OUTPUT: + if (unlikely(!ops->vidioc_enum_fmt_audio_out)) + break; + ret = ops->vidioc_enum_fmt_audio_out(file, fh, arg); + break; } if (ret == 0) v4l_fill_fmtdesc(p); @@ -1668,6 +1696,10 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, return ops->vidioc_g_fmt_meta_cap(file, fh, arg); case V4L2_BUF_TYPE_META_OUTPUT: return ops->vidioc_g_fmt_meta_out(file, fh, arg); + case V4L2_BUF_TYPE_AUDIO_CAPTURE: + return ops->vidioc_g_fmt_audio_cap(file, fh, arg); + case V4L2_BUF_TYPE_AUDIO_OUTPUT: + return ops->vidioc_g_fmt_audio_out(file, fh, arg); } return -EINVAL; } @@ -1779,6 +1811,16 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, break; memset_after(p, 0, fmt.meta); return ops->vidioc_s_fmt_meta_out(file, fh, arg); + case V4L2_BUF_TYPE_AUDIO_CAPTURE: + if (unlikely(!ops->vidioc_s_fmt_audio_cap)) + break; + memset_after(p, 0, fmt.audio); + return ops->vidioc_s_fmt_audio_cap(file, fh, arg); + case V4L2_BUF_TYPE_AUDIO_OUTPUT: + if (unlikely(!ops->vidioc_s_fmt_audio_out)) + break; + memset_after(p, 0, fmt.audio); + return ops->vidioc_s_fmt_audio_out(file, fh, arg); } return -EINVAL; } @@ -1887,6 +1929,16 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops, break; memset_after(p, 0, fmt.meta); return ops->vidioc_try_fmt_meta_out(file, fh, arg); + case V4L2_BUF_TYPE_AUDIO_CAPTURE: + if (unlikely(!ops->vidioc_try_fmt_audio_cap)) + break; + memset_after(p, 0, fmt.audio); + return ops->vidioc_try_fmt_audio_cap(file, fh, arg); + case V4L2_BUF_TYPE_AUDIO_OUTPUT: + if (unlikely(!ops->vidioc_try_fmt_audio_out)) + break; + memset_after(p, 0, fmt.audio); + return ops->vidioc_try_fmt_audio_out(file, fh, arg); } return -EINVAL; } diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index e0a13505f88d..0924e6d1dab1 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -30,6 +30,7 @@ * @VFL_TYPE_SUBDEV: for V4L2 subdevices * @VFL_TYPE_SDR: for Software Defined Radio tuners * @VFL_TYPE_TOUCH: for touch sensors + * @VFL_TYPE_AUDIO: for audio input/output devices * @VFL_TYPE_MAX: number of VFL types, must always be last in the enum */ enum vfl_devnode_type { @@ -39,6 +40,7 @@ enum vfl_devnode_type { VFL_TYPE_SUBDEV, VFL_TYPE_SDR, VFL_TYPE_TOUCH, + VFL_TYPE_AUDIO, VFL_TYPE_MAX /* Shall be the last one */ }; diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index edb733f21604..f840cf740ce1 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -45,6 +45,12 @@ struct v4l2_fh; * @vidioc_enum_fmt_meta_out: pointer to the function that implements * :ref:`VIDIOC_ENUM_FMT ` ioctl logic * for metadata output + * @vidioc_enum_fmt_audio_cap: pointer to the function that implements + * :ref:`VIDIOC_ENUM_FMT ` ioctl logic + * for audio capture + * @vidioc_enum_fmt_audio_out: pointer to the function that implements + * :ref:`VIDIOC_ENUM_FMT ` ioctl logic + * for audio output * @vidioc_g_fmt_vid_cap: pointer to the function that implements * :ref:`VIDIOC_G_FMT ` ioctl logic for video capture * in single plane mode @@ -79,6 +85,10 @@ struct v4l2_fh; * :ref:`VIDIOC_G_FMT ` ioctl logic for metadata capture * @vidioc_g_fmt_meta_out: pointer to the function that implements * :ref:`VIDIOC_G_FMT ` ioctl logic for metadata output + * @vidioc_g_fmt_audio_cap: pointer to the function that implements + * :ref:`VIDIOC_G_FMT ` ioctl logic for audio capture + * @vidioc_g_fmt_audio_out: pointer to the function that implements + * :ref:`VIDIOC_G_FMT ` ioctl logic for audio output * @vidioc_s_fmt_vid_cap: pointer to the function that implements * :ref:`VIDIOC_S_FMT ` ioctl logic for video capture * in single plane mode @@ -113,6 +123,10 @@ struct v4l2_fh; * :ref:`VIDIOC_S_FMT ` ioctl logic for metadata capture * @vidioc_s_fmt_meta_out: pointer to the function that implements * :ref:`VIDIOC_S_FMT ` ioctl logic for metadata output + * @vidioc_s_fmt_audio_cap: pointer to the function that implements + * :ref:`VIDIOC_S_FMT ` ioctl logic for audio capture + * @vidioc_s_fmt_audio_out: pointer to the function that implements + * :ref:`VIDIOC_S_FMT ` ioctl logic for audio output * @vidioc_try_fmt_vid_cap: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT ` ioctl logic for video capture * in single plane mode @@ -149,6 +163,10 @@ struct v4l2_fh; * :ref:`VIDIOC_TRY_FMT ` ioctl logic for metadata capture * @vidioc_try_fmt_meta_out: pointer to the function that implements * :ref:`VIDIOC_TRY_FMT ` ioctl logic for metadata output + * @vidioc_try_fmt_audio_cap: pointer to the function that implements + * :ref:`VIDIOC_TRY_FMT ` ioctl logic for audio capture + * @vidioc_try_fmt_audio_out: pointer to the function that implements + * :ref:`VIDIOC_TRY_FMT ` ioctl logic for audio output * @vidioc_reqbufs: pointer to the function that implements * :ref:`VIDIOC_REQBUFS ` ioctl * @vidioc_querybuf: pointer to the function that implements @@ -315,6 +333,10 @@ struct v4l2_ioctl_ops { struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_meta_out)(struct file *file, void *fh, struct v4l2_fmtdesc *f); + int (*vidioc_enum_fmt_audio_cap)(struct file *file, void *fh, + struct v4l2_fmtdesc *f); + int (*vidioc_enum_fmt_audio_out)(struct file *file, void *fh, + struct v4l2_fmtdesc *f); /* VIDIOC_G_FMT handlers */ int (*vidioc_g_fmt_vid_cap)(struct file *file, void *fh, @@ -345,6 +367,10 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_g_fmt_meta_out)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_g_fmt_audio_cap)(struct file *file, void *fh, + struct v4l2_format *f); + int (*vidioc_g_fmt_audio_out)(struct file *file, void *fh, + struct v4l2_format *f); /* VIDIOC_S_FMT handlers */ int (*vidioc_s_fmt_vid_cap)(struct file *file, void *fh, @@ -375,6 +401,10 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_s_fmt_meta_out)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_s_fmt_audio_cap)(struct file *file, void *fh, + struct v4l2_format *f); + int (*vidioc_s_fmt_audio_out)(struct file *file, void *fh, + struct v4l2_format *f); /* VIDIOC_TRY_FMT handlers */ int (*vidioc_try_fmt_vid_cap)(struct file *file, void *fh, @@ -405,6 +435,10 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_try_fmt_meta_out)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_try_fmt_audio_cap)(struct file *file, void *fh, + struct v4l2_format *f); + int (*vidioc_try_fmt_audio_out)(struct file *file, void *fh, + struct v4l2_format *f); /* Buffer handlers */ int (*vidioc_reqbufs)(struct file *file, void *fh, diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index aee75eb9e686..a7af28f4c8c3 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -153,6 +153,8 @@ enum v4l2_buf_type { V4L2_BUF_TYPE_SDR_OUTPUT = 12, V4L2_BUF_TYPE_META_CAPTURE = 13, V4L2_BUF_TYPE_META_OUTPUT = 14, + V4L2_BUF_TYPE_AUDIO_CAPTURE = 15, + V4L2_BUF_TYPE_AUDIO_OUTPUT = 16, /* Deprecated, do not use */ V4L2_BUF_TYPE_PRIVATE = 0x80, }; @@ -169,6 +171,7 @@ enum v4l2_buf_type { || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ + || (type) == V4L2_BUF_TYPE_AUDIO_OUTPUT \ || (type) == V4L2_BUF_TYPE_META_OUTPUT) #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) @@ -2404,6 +2407,20 @@ struct v4l2_meta_format { __u32 buffersize; } __attribute__ ((packed)); +/** + * struct v4l2_audio_format - audio data format definition + * @rate: sample rate + * @format: sample format + * @channels: channel numbers + * @buffersize: maximum size in bytes required for data + */ +struct v4l2_audio_format { + __u32 rate; + __u32 format; + __u32 channels; + __u32 buffersize; +} __attribute__ ((packed)); + /** * struct v4l2_format - stream data format * @type: enum v4l2_buf_type; type of the data stream @@ -2412,6 +2429,7 @@ struct v4l2_meta_format { * @win: definition of an overlaid image * @vbi: raw VBI capture or output parameters * @sliced: sliced VBI capture or output parameters + * @audio: definition of an audio format * @raw_data: placeholder for future extensions and custom formats * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta * and @raw_data @@ -2426,6 +2444,7 @@ struct v4l2_format { struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ + struct v4l2_audio_format audio; /* V4L2_BUF_TYPE_AUDIO_CAPTURE */ __u8 raw_data[200]; /* user-defined */ } fmt; }; From patchwork Thu Jun 29 01:37:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 697844 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25F2FEB64DA for ; Thu, 29 Jun 2023 02:19:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231626AbjF2CTE (ORCPT ); Wed, 28 Jun 2023 22:19:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230456AbjF2CS7 (ORCPT ); Wed, 28 Jun 2023 22:18:59 -0400 Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCB182122; Wed, 28 Jun 2023 19:18:57 -0700 (PDT) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 33884200D39; Thu, 29 Jun 2023 04:10:35 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id C6925200D36; Thu, 29 Jun 2023 04:10:34 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 0E481181D0E5; Thu, 29 Jun 2023 10:10:32 +0800 (+08) From: Shengjiu Wang To: tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 2/6] ASoC: fsl_asrc: define functions for memory to memory usage Date: Thu, 29 Jun 2023 09:37:49 +0800 Message-Id: <1688002673-28493-3-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> References: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org ASRC can be used on memory to memory case, define several functions for m2m usage. m2m_start_part_one: first part of the start steps m2m_start_part_two: second part of the start steps m2m_stop_part_one: first part of stop steps m2m_stop_part_two: second part of stop steps m2m_check_format: check format is supported or not m2m_calc_out_len: calculate output length according to input length m2m_get_maxburst: burst size for dma m2m_pair_suspend: suspend function of pair m2m_pair_resume: resume function of pair get_output_fifo_size: get remaining data size in FIFO Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_asrc.c | 138 ++++++++++++++++++++++++++++++++ sound/soc/fsl/fsl_asrc.h | 2 + sound/soc/fsl/fsl_asrc_common.h | 54 +++++++++++++ 3 files changed, 194 insertions(+) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index adb8a59de2bd..30190ccb74e7 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -1063,6 +1063,135 @@ static int fsl_asrc_get_fifo_addr(u8 dir, enum asrc_pair_index index) return REG_ASRDx(dir, index); } +/* Get sample numbers in FIFO */ +static unsigned int fsl_asrc_get_output_fifo_size(struct fsl_asrc_pair *pair) +{ + struct fsl_asrc *asrc = pair->asrc; + enum asrc_pair_index index = pair->index; + u32 val; + + regmap_read(asrc->regmap, REG_ASRFST(index), &val); + + val &= ASRFSTi_OUTPUT_FIFO_MASK; + + return val >> ASRFSTi_OUTPUT_FIFO_SHIFT; +} + +static int fsl_asrc_m2m_start_part_one(struct fsl_asrc_pair *pair) +{ + struct fsl_asrc_pair_priv *pair_priv = pair->private; + struct fsl_asrc *asrc = pair->asrc; + struct device *dev = &asrc->pdev->dev; + struct asrc_config config; + int ret; + + /* fill config */ + config.pair = pair->index; + config.channel_num = pair->channels; + config.input_sample_rate = pair->rate[IN]; + config.output_sample_rate = pair->rate[OUT]; + config.input_format = pair->sample_format[IN]; + config.output_format = pair->sample_format[OUT]; + config.inclk = INCLK_NONE; + config.outclk = OUTCLK_ASRCK1_CLK; + + pair_priv->config = &config; + ret = fsl_asrc_config_pair(pair, true); + if (ret) { + dev_err(dev, "failed to config pair: %d\n", ret); + return ret; + } + + fsl_asrc_start_pair(pair); + + return 0; +} + +static int fsl_asrc_m2m_start_part_two(struct fsl_asrc_pair *pair) +{ + /* + * Clear DMA request during the stall state of ASRC: + * During STALL state, the remaining in input fifo would never be + * smaller than the input threshold while the output fifo would not + * be bigger than output one. Thus the DMA request would be cleared. + */ + fsl_asrc_set_watermarks(pair, ASRC_FIFO_THRESHOLD_MIN, + ASRC_FIFO_THRESHOLD_MAX); + + /* Update the real input threshold to raise DMA request */ + fsl_asrc_set_watermarks(pair, ASRC_M2M_INPUTFIFO_WML, + ASRC_M2M_OUTPUTFIFO_WML); + + return 0; +} + +static int fsl_asrc_m2m_stop_part_one(struct fsl_asrc_pair *pair) +{ + fsl_asrc_stop_pair(pair); + + return 0; +} + +static int fsl_asrc_m2m_check_format(u8 dir, u32 rate, u32 channels, u32 format) +{ + u64 support_format = FSL_ASRC_FORMATS; + + if (channels < 1 || channels > 10) + return -EINVAL; + + if (rate < 5512 || rate > 192000) + return -EINVAL; + + if (dir == IN) + support_format |= SNDRV_PCM_FMTBIT_S8; + + if (!(1 << format & support_format)) + return -EINVAL; + + return 0; +} + +/* calculate capture data length according to output data length and sample rate */ +static int fsl_asrc_m2m_calc_out_len(struct fsl_asrc_pair *pair, int input_buffer_length) +{ + unsigned int in_width, out_width; + unsigned int channels = pair->channels; + unsigned int in_samples, out_samples; + unsigned int out_length; + + in_width = snd_pcm_format_physical_width(pair->sample_format[IN]) / 8; + out_width = snd_pcm_format_physical_width(pair->sample_format[OUT]) / 8; + + in_samples = input_buffer_length / in_width / channels; + out_samples = pair->rate[OUT] * in_samples / pair->rate[IN]; + out_length = (out_samples - ASRC_OUTPUT_LAST_SAMPLE) * out_width * channels; + + return out_length; +} + +static int fsl_asrc_m2m_get_maxburst(u8 dir, struct fsl_asrc_pair *pair) +{ + struct fsl_asrc *asrc = pair->asrc; + struct fsl_asrc_priv *asrc_priv = asrc->private; + int wml = (dir == IN) ? ASRC_M2M_INPUTFIFO_WML : ASRC_M2M_OUTPUTFIFO_WML; + + if (!asrc_priv->soc->use_edma) + return wml * pair->channels; + else + return 1; +} + +static int fsl_asrc_m2m_pair_resume(struct fsl_asrc_pair *pair) +{ + struct fsl_asrc *asrc = pair->asrc; + int i; + + for (i = 0; i < pair->channels * 4; i++) + regmap_write(asrc->regmap, REG_ASRDI(pair->index), 0); + + return 0; +} + static int fsl_asrc_runtime_resume(struct device *dev); static int fsl_asrc_runtime_suspend(struct device *dev); @@ -1147,6 +1276,15 @@ static int fsl_asrc_probe(struct platform_device *pdev) asrc->get_fifo_addr = fsl_asrc_get_fifo_addr; asrc->pair_priv_size = sizeof(struct fsl_asrc_pair_priv); + asrc->m2m_start_part_one = fsl_asrc_m2m_start_part_one; + asrc->m2m_start_part_two = fsl_asrc_m2m_start_part_two; + asrc->m2m_stop_part_one = fsl_asrc_m2m_stop_part_one; + asrc->get_output_fifo_size = fsl_asrc_get_output_fifo_size; + asrc->m2m_check_format = fsl_asrc_m2m_check_format; + asrc->m2m_calc_out_len = fsl_asrc_m2m_calc_out_len; + asrc->m2m_get_maxburst = fsl_asrc_m2m_get_maxburst; + asrc->m2m_pair_resume = fsl_asrc_m2m_pair_resume; + if (of_device_is_compatible(np, "fsl,imx35-asrc")) { asrc_priv->clk_map[IN] = input_clk_map_imx35; asrc_priv->clk_map[OUT] = output_clk_map_imx35; diff --git a/sound/soc/fsl/fsl_asrc.h b/sound/soc/fsl/fsl_asrc.h index 86d2422ad606..1c492eb237f5 100644 --- a/sound/soc/fsl/fsl_asrc.h +++ b/sound/soc/fsl/fsl_asrc.h @@ -12,6 +12,8 @@ #include "fsl_asrc_common.h" +#define ASRC_M2M_INPUTFIFO_WML 0x4 +#define ASRC_M2M_OUTPUTFIFO_WML 0x2 #define ASRC_DMA_BUFFER_NUM 2 #define ASRC_INPUTFIFO_THRESHOLD 32 #define ASRC_OUTPUTFIFO_THRESHOLD 32 diff --git a/sound/soc/fsl/fsl_asrc_common.h b/sound/soc/fsl/fsl_asrc_common.h index 7e1c13ca37f1..9294f378f0cc 100644 --- a/sound/soc/fsl/fsl_asrc_common.h +++ b/sound/soc/fsl/fsl_asrc_common.h @@ -4,6 +4,10 @@ * */ +#include +#include +#include + #ifndef _FSL_ASRC_COMMON_H #define _FSL_ASRC_COMMON_H @@ -34,6 +38,13 @@ enum asrc_pair_index { * @pos: hardware pointer position * @req_dma_chan: flag to release dev_to_dev chan * @private: pair private area + * @complete: dma task complete + * @fh: v4l2 file handler + * @ctrl_handler: v4l2 control handler + * @sample_format: format of m2m + * @rate: rate of m2m + * @buf_len: buffer length of m2m + * @req_pair: flag for request pair */ struct fsl_asrc_pair { struct fsl_asrc *asrc; @@ -49,6 +60,15 @@ struct fsl_asrc_pair { bool req_dma_chan; void *private; + + /* used for m2m */ + struct completion complete[2]; + struct v4l2_fh fh; + struct v4l2_ctrl_handler ctrl_handler; + snd_pcm_format_t sample_format[2]; + unsigned int rate[2]; + unsigned int buf_len[2]; + bool req_pair; }; /** @@ -63,6 +83,10 @@ struct fsl_asrc_pair { * @ipg_clk: clock source to drive peripheral * @spba_clk: SPBA clock (optional, depending on SoC design) * @lock: spin lock for resource protection + * @v4l2_dev: v4l2 device structure + * @m2m_dev: pointer to v4l2_m2m_dev + * @dec_vdev: pointer to video_device + * @mlock: v4l2 ioctls serialization * @pair: pair pointers * @channel_avail: non-occupied channel numbers * @asrc_rate: default sample rate for ASoC Back-Ends @@ -72,6 +96,17 @@ struct fsl_asrc_pair { * @request_pair: function pointer * @release_pair: function pointer * @get_fifo_addr: function pointer + * @m2m_start_part_one: function pointer + * @m2m_start_part_two: function pointer + * @m2m_stop_part_one: function pointer + * @m2m_stop_part_two: function pointer + * @m2m_check_format: function pointer + * @m2m_calc_out_len: function pointer + * @m2m_get_maxburst: function pointer + * @m2m_pair_suspend: function pointer + * @m2m_pair_resume: function pointer + * @m2m_set_ratio_mod: function pointer + * @get_output_fifo_size: function pointer * @pair_priv_size: size of pair private struct. * @private: private data structure */ @@ -86,6 +121,11 @@ struct fsl_asrc { struct clk *spba_clk; spinlock_t lock; /* spin lock for resource protection */ + struct v4l2_device v4l2_dev; + struct v4l2_m2m_dev *m2m_dev; + struct video_device *dec_vdev; + struct mutex mlock; /* v4l2 ioctls serialization */ + struct fsl_asrc_pair *pair[PAIR_CTX_NUM]; unsigned int channel_avail; @@ -97,6 +137,20 @@ struct fsl_asrc { int (*request_pair)(int channels, struct fsl_asrc_pair *pair); void (*release_pair)(struct fsl_asrc_pair *pair); int (*get_fifo_addr)(u8 dir, enum asrc_pair_index index); + + int (*m2m_start_part_one)(struct fsl_asrc_pair *pair); + int (*m2m_start_part_two)(struct fsl_asrc_pair *pair); + int (*m2m_stop_part_one)(struct fsl_asrc_pair *pair); + int (*m2m_stop_part_two)(struct fsl_asrc_pair *pair); + + int (*m2m_check_format)(u8 dir, u32 rate, u32 channels, u32 format); + int (*m2m_calc_out_len)(struct fsl_asrc_pair *pair, int input_buffer_length); + int (*m2m_get_maxburst)(u8 dir, struct fsl_asrc_pair *pair); + int (*m2m_pair_suspend)(struct fsl_asrc_pair *pair); + int (*m2m_pair_resume)(struct fsl_asrc_pair *pair); + int (*m2m_set_ratio_mod)(struct fsl_asrc_pair *pair, int val); + + unsigned int (*get_output_fifo_size)(struct fsl_asrc_pair *pair); size_t pair_priv_size; void *private; From patchwork Thu Jun 29 01:37:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 697845 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF922EB64DA for ; Thu, 29 Jun 2023 02:19:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231430AbjF2CTB (ORCPT ); Wed, 28 Jun 2023 22:19:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230099AbjF2CS7 (ORCPT ); Wed, 28 Jun 2023 22:18:59 -0400 Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B85910D7; Wed, 28 Jun 2023 19:18:57 -0700 (PDT) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 75343200D3A; Thu, 29 Jun 2023 04:10:36 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 1412D200D36; Thu, 29 Jun 2023 04:10:36 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 52F65181D0E3; Thu, 29 Jun 2023 10:10:34 +0800 (+08) From: Shengjiu Wang To: tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 3/6] ASoC: fsl_easrc: define functions for memory to memory usage Date: Thu, 29 Jun 2023 09:37:50 +0800 Message-Id: <1688002673-28493-4-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> References: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org ASRC can be used on memory to memory case, define several functions for m2m usage and export them as function pointer. Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_easrc.c | 214 ++++++++++++++++++++++++++++++++++++++ sound/soc/fsl/fsl_easrc.h | 6 ++ 2 files changed, 220 insertions(+) diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index 670cbdb361b6..b735b24badc2 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -1861,6 +1861,210 @@ static int fsl_easrc_get_fifo_addr(u8 dir, enum asrc_pair_index index) return REG_EASRC_FIFO(dir, index); } +/* Get sample numbers in FIFO */ +static unsigned int fsl_easrc_get_output_fifo_size(struct fsl_asrc_pair *pair) +{ + struct fsl_asrc *asrc = pair->asrc; + enum asrc_pair_index index = pair->index; + u32 val; + + regmap_read(asrc->regmap, REG_EASRC_SFS(index), &val); + val &= EASRC_SFS_NSGO_MASK; + + return val >> EASRC_SFS_NSGO_SHIFT; +} + +static int fsl_easrc_m2m_start_part_one(struct fsl_asrc_pair *pair) +{ + struct fsl_easrc_ctx_priv *ctx_priv = pair->private; + struct fsl_asrc *asrc = pair->asrc; + struct device *dev = &asrc->pdev->dev; + int ret; + + ctx_priv->in_params.sample_rate = pair->rate[IN]; + ctx_priv->in_params.sample_format = pair->sample_format[IN]; + ctx_priv->out_params.sample_rate = pair->rate[OUT]; + ctx_priv->out_params.sample_format = pair->sample_format[OUT]; + + ctx_priv->in_params.fifo_wtmk = FSL_EASRC_INPUTFIFO_WML; + ctx_priv->out_params.fifo_wtmk = FSL_EASRC_OUTPUTFIFO_WML; + /* Fill the right half of the re-sampler with zeros */ + ctx_priv->rs_init_mode = 0x2; + /* Zero fill the right half of the prefilter */ + ctx_priv->pf_init_mode = 0x2; + + ret = fsl_easrc_set_ctx_format(pair, + &ctx_priv->in_params.sample_format, + &ctx_priv->out_params.sample_format); + if (ret) { + dev_err(dev, "failed to set context format: %d\n", ret); + return ret; + } + + ret = fsl_easrc_config_context(asrc, pair->index); + if (ret) { + dev_err(dev, "failed to config context %d\n", ret); + return ret; + } + + ctx_priv->in_params.iterations = 1; + ctx_priv->in_params.group_len = pair->channels; + ctx_priv->in_params.access_len = pair->channels; + ctx_priv->out_params.iterations = 1; + ctx_priv->out_params.group_len = pair->channels; + ctx_priv->out_params.access_len = pair->channels; + + ret = fsl_easrc_set_ctx_organziation(pair); + if (ret) { + dev_err(dev, "failed to set fifo organization\n"); + return ret; + } + + /* The context start flag */ + ctx_priv->first_convert = 1; + return 0; +} + +static int fsl_easrc_m2m_start_part_two(struct fsl_asrc_pair *pair) +{ + struct fsl_easrc_ctx_priv *ctx_priv = pair->private; + /* start context once */ + if (ctx_priv->first_convert) { + fsl_easrc_start_context(pair); + ctx_priv->first_convert = 0; + } + + return 0; +} + +static int fsl_easrc_m2m_stop_part_two(struct fsl_asrc_pair *pair) +{ + struct fsl_easrc_ctx_priv *ctx_priv = pair->private; + /* Stop pair/context */ + if (!ctx_priv->first_convert) { + fsl_easrc_stop_context(pair); + ctx_priv->first_convert = 1; + } + + return 0; +} + +static int fsl_easrc_m2m_check_format(u8 dir, u32 rate, u32 channels, u32 format) +{ + u64 support_format = FSL_EASRC_FORMATS; + + if (channels < 1 || channels > 32) + return -EINVAL; + + if (rate < 8000 || rate > 768000) + return -EINVAL; + + if (dir == OUT) + support_format |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; + + if (!(1 << format & support_format)) + return -EINVAL; + + return 0; +} + +/* calculate capture data length according to output data length and sample rate */ +static int fsl_easrc_m2m_calc_out_len(struct fsl_asrc_pair *pair, int input_buffer_length) +{ + struct fsl_asrc *easrc = pair->asrc; + struct fsl_easrc_priv *easrc_priv = easrc->private; + struct fsl_easrc_ctx_priv *ctx_priv = pair->private; + unsigned int in_rate = ctx_priv->in_params.norm_rate; + unsigned int out_rate = ctx_priv->out_params.norm_rate; + unsigned int channels = pair->channels; + unsigned int in_samples, out_samples; + unsigned int in_width, out_width; + unsigned int out_length; + unsigned int frac_bits; + u64 val1, val2; + + switch (easrc_priv->rs_num_taps) { + case EASRC_RS_32_TAPS: + /* integer bits = 5; */ + frac_bits = 39; + break; + case EASRC_RS_64_TAPS: + /* integer bits = 6; */ + frac_bits = 38; + break; + case EASRC_RS_128_TAPS: + /* integer bits = 7; */ + frac_bits = 37; + break; + default: + return -EINVAL; + } + + val1 = (u64)in_rate << frac_bits; + do_div(val1, out_rate); + val1 = val1 + ctx_priv->ratio_mod; + + in_width = snd_pcm_format_physical_width(ctx_priv->in_params.sample_format) / 8; + out_width = snd_pcm_format_physical_width(ctx_priv->out_params.sample_format) / 8; + + ctx_priv->in_filled_len += input_buffer_length; + if (ctx_priv->in_filled_len <= ctx_priv->in_filled_sample * in_width * channels) { + out_length = 0; + } else { + in_samples = ctx_priv->in_filled_len / (in_width * channels) - + ctx_priv->in_filled_sample; + + /* right shift 12 bit to make ratio in 32bit space */ + val2 = (u64)in_samples << (frac_bits - 12); + val1 = val1 >> 12; + do_div(val2, val1); + out_samples = val2; + + out_length = out_samples * out_width * channels; + ctx_priv->in_filled_len = ctx_priv->in_filled_sample * in_width * channels; + } + + return out_length; +} + +static int fsl_easrc_m2m_get_maxburst(u8 dir, struct fsl_asrc_pair *pair) +{ + struct fsl_easrc_ctx_priv *ctx_priv = pair->private; + + if (dir == IN) + return ctx_priv->in_params.fifo_wtmk * pair->channels; + else + return ctx_priv->out_params.fifo_wtmk * pair->channels; +} + +static int fsl_easrc_m2m_pair_suspend(struct fsl_asrc_pair *pair) +{ + fsl_easrc_stop_context(pair); + + return 0; +} + +static int fsl_easrc_m2m_pair_resume(struct fsl_asrc_pair *pair) +{ + struct fsl_easrc_ctx_priv *ctx_priv = pair->private; + + ctx_priv->first_convert = 1; + ctx_priv->in_filled_len = 0; + + return 0; +} + +static int fsl_easrc_m2m_set_ratio_mod(struct fsl_asrc_pair *pair, int val) +{ + struct fsl_easrc_ctx_priv *ctx_priv = pair->private; + struct fsl_asrc *easrc = pair->asrc; + + ctx_priv->ratio_mod += val; + regmap_write(easrc->regmap, REG_EASRC_RUC(pair->index), EASRC_RSUC_RS_RM(val)); + + return 0; +} + static const struct of_device_id fsl_easrc_dt_ids[] = { { .compatible = "fsl,imx8mn-easrc",}, {} @@ -1926,6 +2130,16 @@ static int fsl_easrc_probe(struct platform_device *pdev) easrc->release_pair = fsl_easrc_release_context; easrc->get_fifo_addr = fsl_easrc_get_fifo_addr; easrc->pair_priv_size = sizeof(struct fsl_easrc_ctx_priv); + easrc->m2m_start_part_one = fsl_easrc_m2m_start_part_one; + easrc->m2m_start_part_two = fsl_easrc_m2m_start_part_two; + easrc->m2m_stop_part_two = fsl_easrc_m2m_stop_part_two; + easrc->get_output_fifo_size = fsl_easrc_get_output_fifo_size; + easrc->m2m_check_format = fsl_easrc_m2m_check_format; + easrc->m2m_calc_out_len = fsl_easrc_m2m_calc_out_len; + easrc->m2m_get_maxburst = fsl_easrc_m2m_get_maxburst; + easrc->m2m_pair_suspend = fsl_easrc_m2m_pair_suspend; + easrc->m2m_pair_resume = fsl_easrc_m2m_pair_resume; + easrc->m2m_set_ratio_mod = fsl_easrc_m2m_set_ratio_mod; easrc_priv->rs_num_taps = EASRC_RS_32_TAPS; easrc_priv->const_coeff = 0x3FF0000000000000; diff --git a/sound/soc/fsl/fsl_easrc.h b/sound/soc/fsl/fsl_easrc.h index 7c70dac52713..bee887c8b4f2 100644 --- a/sound/soc/fsl/fsl_easrc.h +++ b/sound/soc/fsl/fsl_easrc.h @@ -601,6 +601,9 @@ struct fsl_easrc_slot { * @out_missed_sample: sample missed in output * @st1_addexp: exponent added for stage1 * @st2_addexp: exponent added for stage2 + * @ratio_mod: update ratio + * @first_convert: start of conversion + * @in_filled_len: input filled length */ struct fsl_easrc_ctx_priv { struct fsl_easrc_io_params in_params; @@ -618,6 +621,9 @@ struct fsl_easrc_ctx_priv { int out_missed_sample; int st1_addexp; int st2_addexp; + int ratio_mod; + unsigned int first_convert; + unsigned int in_filled_len; }; /** From patchwork Thu Jun 29 01:37:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 698407 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27209EB64DC for ; Thu, 29 Jun 2023 02:19:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231834AbjF2CTG (ORCPT ); Wed, 28 Jun 2023 22:19:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231557AbjF2CTB (ORCPT ); Wed, 28 Jun 2023 22:19:01 -0400 Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65C8310FF; Wed, 28 Jun 2023 19:18:57 -0700 (PDT) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 65791200D43; Thu, 29 Jun 2023 04:10:37 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 02DE3200D3C; Thu, 29 Jun 2023 04:10:37 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 95589181D0E5; Thu, 29 Jun 2023 10:10:35 +0800 (+08) From: Shengjiu Wang To: tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 4/6] ASoC: fsl_asrc: Add memory to memory driver Date: Thu, 29 Jun 2023 09:37:51 +0800 Message-Id: <1688002673-28493-5-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> References: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Implement the ASRC memory to memory function using the v4l2 framework, user can use this function with v4l2 ioctl interface. User send the output and capture buffer to driver and driver store the converted data to the capture buffer. This feature can be shared by ASRC and EASRC drivers Signed-off-by: Shengjiu Wang --- sound/soc/fsl/Kconfig | 13 + sound/soc/fsl/Makefile | 2 + sound/soc/fsl/fsl_asrc_m2m.c | 878 +++++++++++++++++++++++++++++++++++ sound/soc/fsl/fsl_asrc_m2m.h | 48 ++ 4 files changed, 941 insertions(+) create mode 100644 sound/soc/fsl/fsl_asrc_m2m.c create mode 100644 sound/soc/fsl/fsl_asrc_m2m.h diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 725c530a3636..b61087c20a1d 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -14,6 +14,19 @@ config SND_SOC_FSL_ASRC This option is only useful for out-of-tree drivers since in-tree drivers select it automatically. +config SND_SOC_FSL_ASRC_M2M + tristate "Asynchronous Sample Rate Converter (ASRC) M2M support" + depends on SND_SOC_FSL_ASRC + depends on V4L_MEM2MEM_DRIVERS + depends on MEDIA_SUPPORT + select VIDEOBUF2_DMA_CONTIG + select V4L2_MEM2MEM_DEV + help + Say Y if you want to add ASRC M2M support for NXP CPUs. + It is a completement for ASRC M2P and ASRC P2M features. + This option is only useful for out-of-tree drivers since + in-tree drivers select it automatically. + config SND_SOC_FSL_SAI tristate "Synchronous Audio Interface (SAI) module support" select REGMAP_MMIO diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index 8db7e97d0bd5..02182fa4cf02 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_SND_SOC_P1022_RDK) += snd-soc-p1022-rdk.o snd-soc-fsl-audmix-objs := fsl_audmix.o snd-soc-fsl-asoc-card-objs := fsl-asoc-card.o snd-soc-fsl-asrc-objs := fsl_asrc.o fsl_asrc_dma.o +snd-soc-fsl-asrc-m2m-objs := fsl_asrc_m2m.o snd-soc-fsl-sai-objs := fsl_sai.o snd-soc-fsl-ssi-y := fsl_ssi.o snd-soc-fsl-ssi-$(CONFIG_DEBUG_FS) += fsl_ssi_dbg.o @@ -33,6 +34,7 @@ snd-soc-fsl-qmc-audio-objs := fsl_qmc_audio.o obj-$(CONFIG_SND_SOC_FSL_AUDMIX) += snd-soc-fsl-audmix.o obj-$(CONFIG_SND_SOC_FSL_ASOC_CARD) += snd-soc-fsl-asoc-card.o obj-$(CONFIG_SND_SOC_FSL_ASRC) += snd-soc-fsl-asrc.o +obj-$(CONFIG_SND_SOC_FSL_ASRC_M2M) += snd-soc-fsl-asrc-m2m.o obj-$(CONFIG_SND_SOC_FSL_SAI) += snd-soc-fsl-sai.o obj-$(CONFIG_SND_SOC_FSL_SSI) += snd-soc-fsl-ssi.o obj-$(CONFIG_SND_SOC_FSL_SPDIF) += snd-soc-fsl-spdif.o diff --git a/sound/soc/fsl/fsl_asrc_m2m.c b/sound/soc/fsl/fsl_asrc_m2m.c new file mode 100644 index 000000000000..02fe420793af --- /dev/null +++ b/sound/soc/fsl/fsl_asrc_m2m.c @@ -0,0 +1,878 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (C) 2014-2016 Freescale Semiconductor, Inc. +// Copyright (C) 2019-2023 NXP +// +// Freescale ASRC Memory to Memory (M2M) driver + +#include +#include +#include +#include +#include +#include +#include +#include "fsl_asrc.h" +#include "fsl_asrc_m2m.h" + +#define ASRC_M2M_BUFFER_SIZE (512 * 1024) +#define ASRC_M2M_PERIOD_SIZE (48 * 1024) +#define ASRC_M2M_SG_NUM (20) + +static inline struct fsl_asrc_pair *fsl_asrc_m2m_fh_to_ctx(struct v4l2_fh *fh) +{ + return container_of(fh, struct fsl_asrc_pair, fh); +} + +/** + * fsl_asrc_read_last_fifo: read all the remaining data from FIFO + * @pair: Structure pointer of fsl_asrc_pair + * @dma_vaddr: virtual address of capture buffer + * @length: payload length of capture buffer + */ +static void fsl_asrc_read_last_fifo(struct fsl_asrc_pair *pair, void *dma_vaddr, u32 *length) +{ + struct fsl_asrc *asrc = pair->asrc; + enum asrc_pair_index index = pair->index; + u32 i, reg, size, t_size = 0, width; + u32 *reg32 = NULL; + u16 *reg16 = NULL; + u8 *reg24 = NULL; + + width = snd_pcm_format_physical_width(pair->sample_format[V4L_CAP]); + if (width == 32) + reg32 = dma_vaddr + *length; + else if (width == 16) + reg16 = dma_vaddr + *length; + else + reg24 = dma_vaddr + *length; +retry: + size = asrc->get_output_fifo_size(pair); + if (size + *length > ASRC_M2M_BUFFER_SIZE) + goto end; + + for (i = 0; i < size * pair->channels; i++) { + regmap_read(asrc->regmap, asrc->get_fifo_addr(OUT, index), ®); + if (reg32) { + *(reg32) = reg; + reg32++; + } else if (reg16) { + *(reg16) = (u16)reg; + reg16++; + } else { + *reg24++ = (u8)reg; + *reg24++ = (u8)(reg >> 8); + *reg24++ = (u8)(reg >> 16); + } + } + t_size += size; + + /* In case there is data left in FIFO */ + if (size) + goto retry; +end: + /* Update payload length */ + if (reg32) + *length += t_size * pair->channels * 4; + else if (reg16) + *length += t_size * pair->channels * 2; + else + *length += t_size * pair->channels * 3; +} + +static int fsl_asrc_m2m_start_streaming(struct vb2_queue *q, unsigned int count) +{ + struct fsl_asrc_pair *pair = vb2_get_drv_priv(q); + struct fsl_asrc *asrc = pair->asrc; + struct device *dev = &asrc->pdev->dev; + struct vb2_v4l2_buffer *buf; + bool request_flag = false; + int ret; + + dev_dbg(dev, "Start streaming pair=%p, %d\n", pair, q->type); + + ret = pm_runtime_get_sync(dev); + if (ret < 0) { + dev_err(dev, "Failed to power up asrc\n"); + goto err_pm_runtime; + } + + /* Request asrc pair/context */ + if (!pair->req_pair) { + /* flag for error handler of this function */ + request_flag = true; + + ret = asrc->request_pair(pair->channels, pair); + if (ret) { + dev_err(dev, "failed to request pair: %d\n", ret); + goto err_request_pair; + } + + ret = asrc->m2m_start_part_one(pair); + if (ret) { + dev_err(dev, "failed to start pair part one: %d\n", ret); + goto err_start_part_one; + } + + pair->req_pair = true; + } + + /* Request dma channels */ + if (V4L2_TYPE_IS_OUTPUT(q->type)) { + pair->dma_chan[V4L_OUT] = asrc->get_dma_channel(pair, IN); + if (!pair->dma_chan[V4L_OUT]) { + dev_err(dev, "[ctx%d] failed to get input DMA channel\n", pair->index); + ret = -EBUSY; + goto err_dma_channel; + } + } else { + pair->dma_chan[V4L_CAP] = asrc->get_dma_channel(pair, OUT); + if (!pair->dma_chan[V4L_CAP]) { + dev_err(dev, "[ctx%d] failed to get output DMA channel\n", pair->index); + ret = -EBUSY; + goto err_dma_channel; + } + } + + v4l2_m2m_update_start_streaming_state(pair->fh.m2m_ctx, q); + + return 0; + +err_dma_channel: + if (request_flag && asrc->m2m_stop_part_one) + asrc->m2m_stop_part_one(pair); +err_start_part_one: + if (request_flag) + asrc->release_pair(pair); +err_request_pair: + pm_runtime_put_sync(dev); +err_pm_runtime: + /* Release buffers */ + if (V4L2_TYPE_IS_OUTPUT(q->type)) { + while ((buf = v4l2_m2m_src_buf_remove(pair->fh.m2m_ctx))) + v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED); + } else { + while ((buf = v4l2_m2m_dst_buf_remove(pair->fh.m2m_ctx))) + v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED); + } + return ret; +} + +static void fsl_asrc_m2m_stop_streaming(struct vb2_queue *q) +{ + struct fsl_asrc_pair *pair = vb2_get_drv_priv(q); + struct fsl_asrc *asrc = pair->asrc; + struct device *dev = &asrc->pdev->dev; + + dev_dbg(dev, "Stop streaming pair=%p, %d\n", pair, q->type); + + v4l2_m2m_update_stop_streaming_state(pair->fh.m2m_ctx, q); + + /* Stop & release pair/context */ + if (asrc->m2m_stop_part_two) + asrc->m2m_stop_part_two(pair); + + if (pair->req_pair) { + if (asrc->m2m_stop_part_one) + asrc->m2m_stop_part_one(pair); + asrc->release_pair(pair); + pair->req_pair = false; + } + + /* Release dma channel */ + if (V4L2_TYPE_IS_OUTPUT(q->type)) { + if (pair->dma_chan[V4L_OUT]) + dma_release_channel(pair->dma_chan[V4L_OUT]); + } else { + if (pair->dma_chan[V4L_CAP]) + dma_release_channel(pair->dma_chan[V4L_CAP]); + } + + pm_runtime_put_sync(dev); +} + +static int fsl_asrc_m2m_queue_setup(struct vb2_queue *q, + unsigned int *num_buffers, unsigned int *num_planes, + unsigned int sizes[], struct device *alloc_devs[]) +{ + struct fsl_asrc_pair *pair = vb2_get_drv_priv(q); + + /* single buffer */ + *num_planes = 1; + + /* + * The capture buffer size depends on output buffer size + * and the convert ratio. + * + * Here just use a fix length for capture and output buffer. + * User need to care about it. + */ + + if (V4L2_TYPE_IS_OUTPUT(q->type)) + sizes[0] = pair->buf_len[V4L_OUT]; + else + sizes[0] = pair->buf_len[V4L_CAP]; + + return 0; +} + +static void fsl_asrc_m2m_buf_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct fsl_asrc_pair *pair = vb2_get_drv_priv(vb->vb2_queue); + + /* queue buffer */ + v4l2_m2m_buf_queue(pair->fh.m2m_ctx, vbuf); +} + +static const struct vb2_ops fsl_asrc_m2m_qops = { + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, + .start_streaming = fsl_asrc_m2m_start_streaming, + .stop_streaming = fsl_asrc_m2m_stop_streaming, + .queue_setup = fsl_asrc_m2m_queue_setup, + .buf_queue = fsl_asrc_m2m_buf_queue, +}; + +/* Init video buffer queue for src and dst. */ +static int fsl_asrc_m2m_queue_init(void *priv, struct vb2_queue *src_vq, + struct vb2_queue *dst_vq) +{ + struct fsl_asrc_pair *pair = priv; + struct fsl_asrc *asrc = pair->asrc; + int ret; + + src_vq->type = V4L2_BUF_TYPE_AUDIO_OUTPUT; + src_vq->io_modes = VB2_MMAP | VB2_DMABUF; + src_vq->drv_priv = pair; + src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); + src_vq->ops = &fsl_asrc_m2m_qops; + src_vq->mem_ops = &vb2_dma_contig_memops; + src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &asrc->mlock; + src_vq->dev = &asrc->pdev->dev; + src_vq->min_buffers_needed = 1; + + ret = vb2_queue_init(src_vq); + if (ret) + return ret; + + dst_vq->type = V4L2_BUF_TYPE_AUDIO_CAPTURE; + dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; + dst_vq->drv_priv = pair; + dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); + dst_vq->ops = &fsl_asrc_m2m_qops; + dst_vq->mem_ops = &vb2_dma_contig_memops; + dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &asrc->mlock; + dst_vq->dev = &asrc->pdev->dev; + dst_vq->min_buffers_needed = 1; + + ret = vb2_queue_init(dst_vq); + return ret; +} + +static int fsl_asrc_m2m_op_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct fsl_asrc_pair *pair = + container_of(ctrl->handler, struct fsl_asrc_pair, ctrl_handler); + struct fsl_asrc *asrc = pair->asrc; + int ret = 0; + + switch (ctrl->id) { + case V4L2_CID_GAIN: + if (asrc->m2m_set_ratio_mod) + asrc->m2m_set_ratio_mod(pair, ctrl->val); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static const struct v4l2_ctrl_ops fsl_asrc_m2m_ctrl_ops = { + .s_ctrl = fsl_asrc_m2m_op_s_ctrl, +}; + +/* system callback for open() */ +static int fsl_asrc_m2m_open(struct file *file) +{ + struct fsl_asrc *asrc = video_drvdata(file); + struct video_device *vdev = video_devdata(file); + struct fsl_asrc_pair *pair; + int ret = 0; + + if (mutex_lock_interruptible(&asrc->mlock)) + return -ERESTARTSYS; + + pair = kzalloc(sizeof(*pair) + asrc->pair_priv_size, GFP_KERNEL); + if (!pair) { + ret = -ENOMEM; + goto err_alloc; + } + + pair->private = (void *)pair + sizeof(struct fsl_asrc_pair); + pair->asrc = asrc; + pair->buf_len[V4L_OUT] = ASRC_M2M_BUFFER_SIZE; + pair->buf_len[V4L_CAP] = ASRC_M2M_BUFFER_SIZE; + + init_completion(&pair->complete[V4L_OUT]); + init_completion(&pair->complete[V4L_CAP]); + + v4l2_fh_init(&pair->fh, vdev); + v4l2_fh_add(&pair->fh); + file->private_data = &pair->fh; + + /* m2m context init */ + pair->fh.m2m_ctx = v4l2_m2m_ctx_init(asrc->m2m_dev, pair, + fsl_asrc_m2m_queue_init); + if (IS_ERR(pair->fh.m2m_ctx)) { + ret = PTR_ERR(pair->fh.m2m_ctx); + goto err_ctx_init; + } + + v4l2_ctrl_handler_init(&pair->ctrl_handler, 2); + + /* use V4L2_CID_GAIN for ratio update control */ + v4l2_ctrl_new_std(&pair->ctrl_handler, &fsl_asrc_m2m_ctrl_ops, + V4L2_CID_GAIN, + 0xFFFFFFFF80000001, 0x7fffffff, 1, 0); + + if (pair->ctrl_handler.error) { + ret = pair->ctrl_handler.error; + v4l2_ctrl_handler_free(&pair->ctrl_handler); + goto err_ctrl_handler; + } + + pair->fh.ctrl_handler = &pair->ctrl_handler; + + mutex_unlock(&asrc->mlock); + + return 0; + +err_ctrl_handler: + v4l2_m2m_ctx_release(pair->fh.m2m_ctx); +err_ctx_init: + v4l2_fh_del(&pair->fh); + v4l2_fh_exit(&pair->fh); + kfree(pair); +err_alloc: + mutex_unlock(&asrc->mlock); + return ret; +} + +static int fsl_asrc_m2m_release(struct file *file) +{ + struct fsl_asrc *asrc = video_drvdata(file); + struct fsl_asrc_pair *pair = fsl_asrc_m2m_fh_to_ctx(file->private_data); + + mutex_lock(&asrc->mlock); + v4l2_ctrl_handler_free(&pair->ctrl_handler); + v4l2_m2m_ctx_release(pair->fh.m2m_ctx); + v4l2_fh_del(&pair->fh); + v4l2_fh_exit(&pair->fh); + kfree(pair); + mutex_unlock(&asrc->mlock); + + return 0; +} + +static const struct v4l2_file_operations fsl_asrc_m2m_fops = { + .owner = THIS_MODULE, + .open = fsl_asrc_m2m_open, + .release = fsl_asrc_m2m_release, + .poll = v4l2_m2m_fop_poll, + .unlocked_ioctl = video_ioctl2, + .mmap = v4l2_m2m_fop_mmap, +}; + +static int fsl_asrc_m2m_querycap(struct file *file, void *priv, + struct v4l2_capability *cap) +{ + strscpy(cap->driver, "asrc m2m", sizeof(cap->driver)); + strscpy(cap->card, "asrc m2m", sizeof(cap->card)); + cap->device_caps = V4L2_CAP_AUDIO | V4L2_CAP_STREAMING; + cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; + + return 0; +} + +static int fsl_asrc_m2m_g_fmt_aud_cap(struct file *file, void *fh, + struct v4l2_format *f) +{ + struct fsl_asrc_pair *pair = fsl_asrc_m2m_fh_to_ctx(fh); + + f->fmt.audio.channels = pair->channels; + f->fmt.audio.rate = pair->rate[V4L_CAP]; + f->fmt.audio.format = pair->sample_format[V4L_CAP]; + f->fmt.audio.buffersize = pair->buf_len[V4L_CAP]; + + return 0; +} + +static int fsl_asrc_m2m_g_fmt_aud_out(struct file *file, void *fh, + struct v4l2_format *f) +{ + struct fsl_asrc_pair *pair = fsl_asrc_m2m_fh_to_ctx(fh); + + f->fmt.audio.channels = pair->channels; + f->fmt.audio.rate = pair->rate[V4L_OUT]; + f->fmt.audio.format = pair->sample_format[V4L_OUT]; + f->fmt.audio.buffersize = pair->buf_len[V4L_OUT]; + + return 0; +} + +/* output for asrc */ +static int fsl_asrc_m2m_s_fmt_aud_cap(struct file *file, void *fh, + struct v4l2_format *f) +{ + struct fsl_asrc_pair *pair = fsl_asrc_m2m_fh_to_ctx(fh); + struct fsl_asrc *asrc = pair->asrc; + struct device *dev = &asrc->pdev->dev; + int ret; + + ret = asrc->m2m_check_format(OUT, f->fmt.audio.rate, + f->fmt.audio.channels, + f->fmt.audio.format); + if (ret) + return -EINVAL; + + if (pair->channels > 0 && pair->channels != f->fmt.audio.channels) { + dev_err(dev, "channels don't match for cap and out\n"); + return -EINVAL; + } + + pair->channels = f->fmt.audio.channels; + pair->rate[V4L_CAP] = f->fmt.audio.rate; + pair->sample_format[V4L_CAP] = f->fmt.audio.format; + + /* Get buffer size from user */ + if (f->fmt.audio.buffersize > pair->buf_len[V4L_CAP]) + pair->buf_len[V4L_CAP] = f->fmt.audio.buffersize; + + return 0; +} + +/* input for asrc */ +static int fsl_asrc_m2m_s_fmt_aud_out(struct file *file, void *fh, + struct v4l2_format *f) +{ + struct fsl_asrc_pair *pair = fsl_asrc_m2m_fh_to_ctx(fh); + struct fsl_asrc *asrc = pair->asrc; + struct device *dev = &asrc->pdev->dev; + int ret; + + ret = asrc->m2m_check_format(IN, f->fmt.audio.rate, + f->fmt.audio.channels, + f->fmt.audio.format); + if (ret) + return -EINVAL; + + if (pair->channels > 0 && pair->channels != f->fmt.audio.channels) { + dev_err(dev, "channels don't match for cap and out\n"); + return -EINVAL; + } + + pair->channels = f->fmt.audio.channels; + pair->rate[V4L_OUT] = f->fmt.audio.rate; + pair->sample_format[V4L_OUT] = f->fmt.audio.format; + + /* Get buffer size from user */ + if (f->fmt.audio.buffersize > pair->buf_len[V4L_OUT]) + pair->buf_len[V4L_OUT] = f->fmt.audio.buffersize; + + return 0; +} + +static int fsl_asrc_m2m_try_fmt_audio_cap(struct file *file, void *fh, + struct v4l2_format *f) +{ + struct fsl_asrc_pair *pair = fsl_asrc_m2m_fh_to_ctx(fh); + struct fsl_asrc *asrc = pair->asrc; + int ret; + + ret = asrc->m2m_check_format(OUT, f->fmt.audio.rate, + f->fmt.audio.channels, + f->fmt.audio.format); + return ret; +} + +static int fsl_asrc_m2m_try_fmt_audio_out(struct file *file, void *fh, + struct v4l2_format *f) +{ + struct fsl_asrc_pair *pair = fsl_asrc_m2m_fh_to_ctx(fh); + struct fsl_asrc *asrc = pair->asrc; + int ret; + + ret = asrc->m2m_check_format(IN, f->fmt.audio.rate, + f->fmt.audio.channels, + f->fmt.audio.format); + return ret; +} + +static const struct v4l2_ioctl_ops fsl_asrc_m2m_ioctl_ops = { + .vidioc_querycap = fsl_asrc_m2m_querycap, + + .vidioc_g_fmt_audio_cap = fsl_asrc_m2m_g_fmt_aud_cap, + .vidioc_g_fmt_audio_out = fsl_asrc_m2m_g_fmt_aud_out, + + .vidioc_s_fmt_audio_cap = fsl_asrc_m2m_s_fmt_aud_cap, + .vidioc_s_fmt_audio_out = fsl_asrc_m2m_s_fmt_aud_out, + + .vidioc_try_fmt_audio_cap = fsl_asrc_m2m_try_fmt_audio_cap, + .vidioc_try_fmt_audio_out = fsl_asrc_m2m_try_fmt_audio_out, + + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, + + .vidioc_create_bufs = v4l2_m2m_ioctl_create_bufs, + .vidioc_prepare_buf = v4l2_m2m_ioctl_prepare_buf, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, +}; + +/* dma complete callback */ +static void fsl_asrc_input_dma_callback(void *data) +{ + struct fsl_asrc_pair *pair = (struct fsl_asrc_pair *)data; + + complete(&pair->complete[V4L_OUT]); +} + +/* dma complete callback */ +static void fsl_asrc_output_dma_callback(void *data) +{ + struct fsl_asrc_pair *pair = (struct fsl_asrc_pair *)data; + + complete(&pair->complete[V4L_CAP]); +} + +/* config dma channel */ +static int fsl_asrc_dmaconfig(struct fsl_asrc_pair *pair, + struct dma_chan *chan, + u32 dma_addr, dma_addr_t buf_addr, u32 buf_len, + int dir, int width) +{ + struct fsl_asrc *asrc = pair->asrc; + struct device *dev = &asrc->pdev->dev; + struct dma_slave_config slave_config; + struct scatterlist sg[ASRC_M2M_SG_NUM]; + enum dma_slave_buswidth buswidth; + unsigned int sg_len, max_period_size; + int ret, i; + + switch (width) { + case 8: + buswidth = DMA_SLAVE_BUSWIDTH_1_BYTE; + break; + case 16: + buswidth = DMA_SLAVE_BUSWIDTH_2_BYTES; + break; + case 24: + buswidth = DMA_SLAVE_BUSWIDTH_3_BYTES; + break; + case 32: + buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES; + break; + default: + dev_err(dev, "invalid word width\n"); + return -EINVAL; + } + + memset(&slave_config, 0, sizeof(slave_config)); + if (dir == V4L_OUT) { + slave_config.direction = DMA_MEM_TO_DEV; + slave_config.dst_addr = dma_addr; + slave_config.dst_addr_width = buswidth; + slave_config.dst_maxburst = asrc->m2m_get_maxburst(IN, pair); + } else { + slave_config.direction = DMA_DEV_TO_MEM; + slave_config.src_addr = dma_addr; + slave_config.src_addr_width = buswidth; + slave_config.src_maxburst = asrc->m2m_get_maxburst(OUT, pair); + } + + ret = dmaengine_slave_config(chan, &slave_config); + if (ret) { + dev_err(dev, "failed to config dmaengine for %s task: %d\n", + DIR_STR(dir), ret); + return -EINVAL; + } + + max_period_size = rounddown(ASRC_M2M_PERIOD_SIZE, width * pair->channels / 8); + /* scatter gather mode */ + sg_len = buf_len / max_period_size; + if (buf_len % max_period_size) + sg_len += 1; + + sg_init_table(sg, sg_len); + for (i = 0; i < (sg_len - 1); i++) { + sg_dma_address(&sg[i]) = buf_addr + i * max_period_size; + sg_dma_len(&sg[i]) = max_period_size; + } + sg_dma_address(&sg[i]) = buf_addr + i * max_period_size; + sg_dma_len(&sg[i]) = buf_len - i * max_period_size; + + pair->desc[dir] = dmaengine_prep_slave_sg(chan, sg, sg_len, + slave_config.direction, + DMA_PREP_INTERRUPT); + if (!pair->desc[dir]) { + dev_err(dev, "failed to prepare dmaengine for %s task\n", DIR_STR(dir)); + return -EINVAL; + } + + pair->desc[dir]->callback = ASRC_xPUT_DMA_CALLBACK(dir); + pair->desc[dir]->callback_param = pair; + + return 0; +} + +/* main function of converter */ +static void fsl_asrc_m2m_device_run(void *priv) +{ + struct fsl_asrc_pair *pair = priv; + struct fsl_asrc *asrc = pair->asrc; + struct device *dev = &asrc->pdev->dev; + enum asrc_pair_index index = pair->index; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + unsigned int out_buf_len; + unsigned int cap_dma_len; + unsigned int width; + u32 fifo_addr; + int ret; + + src_buf = v4l2_m2m_next_src_buf(pair->fh.m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(pair->fh.m2m_ctx); + + width = snd_pcm_format_physical_width(pair->sample_format[V4L_OUT]); + fifo_addr = asrc->paddr + asrc->get_fifo_addr(IN, index); + out_buf_len = vb2_get_plane_payload(&src_buf->vb2_buf, 0); + if (out_buf_len < width * pair->channels / 8 || + out_buf_len > ASRC_M2M_BUFFER_SIZE || + out_buf_len % (width * pair->channels / 8)) { + dev_err(dev, "out buffer size is error: [%d]\n", out_buf_len); + goto end; + } + + /* dma config for output dma channel */ + ret = fsl_asrc_dmaconfig(pair, + pair->dma_chan[V4L_OUT], + fifo_addr, + vb2_dma_contig_plane_dma_addr(&src_buf->vb2_buf, 0), + out_buf_len, V4L_OUT, width); + if (ret) { + dev_err(dev, "out dma config error\n"); + goto end; + } + + width = snd_pcm_format_physical_width(pair->sample_format[V4L_CAP]); + fifo_addr = asrc->paddr + asrc->get_fifo_addr(OUT, index); + cap_dma_len = asrc->m2m_calc_out_len(pair, out_buf_len); + if (cap_dma_len > 0 && cap_dma_len <= ASRC_M2M_BUFFER_SIZE) { + /* dma config for capture dma channel */ + ret = fsl_asrc_dmaconfig(pair, + pair->dma_chan[V4L_CAP], + fifo_addr, + vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0), + cap_dma_len, V4L_CAP, width); + if (ret) { + dev_err(dev, "cap dma config error\n"); + goto end; + } + } else if (cap_dma_len > ASRC_M2M_BUFFER_SIZE) { + dev_err(dev, "cap buffer size error\n"); + goto end; + } + + reinit_completion(&pair->complete[V4L_OUT]); + reinit_completion(&pair->complete[V4L_CAP]); + + /* Submit DMA request */ + dmaengine_submit(pair->desc[V4L_OUT]); + dma_async_issue_pending(pair->desc[V4L_OUT]->chan); + if (cap_dma_len > 0) { + dmaengine_submit(pair->desc[V4L_CAP]); + dma_async_issue_pending(pair->desc[V4L_CAP]->chan); + } + + asrc->m2m_start_part_two(pair); + + if (!wait_for_completion_interruptible_timeout(&pair->complete[V4L_OUT], 10 * HZ)) { + dev_err(dev, "out DMA task timeout\n"); + goto end; + } + + if (cap_dma_len > 0) { + if (!wait_for_completion_interruptible_timeout(&pair->complete[V4L_CAP], 10 * HZ)) { + dev_err(dev, "cap DMA task timeout\n"); + goto end; + } + } + + /* read the last words from FIFO */ + fsl_asrc_read_last_fifo(pair, vb2_plane_vaddr(&dst_buf->vb2_buf, 0), &cap_dma_len); + /* update payload length for capture */ + vb2_set_plane_payload(&dst_buf->vb2_buf, 0, cap_dma_len); + +end: + src_buf = v4l2_m2m_src_buf_remove(pair->fh.m2m_ctx); + dst_buf = v4l2_m2m_dst_buf_remove(pair->fh.m2m_ctx); + + v4l2_m2m_buf_done(src_buf, VB2_BUF_STATE_DONE); + v4l2_m2m_buf_done(dst_buf, VB2_BUF_STATE_DONE); + + v4l2_m2m_job_finish(asrc->m2m_dev, pair->fh.m2m_ctx); +} + +static int fsl_asrc_m2m_job_ready(void *priv) +{ + struct fsl_asrc_pair *pair = priv; + + if (v4l2_m2m_num_src_bufs_ready(pair->fh.m2m_ctx) > 0 && + v4l2_m2m_num_dst_bufs_ready(pair->fh.m2m_ctx) > 0) { + return 1; + } + + return 0; +} + +static const struct v4l2_m2m_ops fsl_asrc_m2m_ops = { + .job_ready = fsl_asrc_m2m_job_ready, + .device_run = fsl_asrc_m2m_device_run, +}; + +int fsl_asrc_m2m_probe(struct fsl_asrc *asrc) +{ + struct device *dev = &asrc->pdev->dev; + int ret; + + ret = v4l2_device_register(dev, &asrc->v4l2_dev); + if (ret) { + dev_err(dev, "failed to register v4l2 device\n"); + goto err_register; + } + + asrc->m2m_dev = v4l2_m2m_init(&fsl_asrc_m2m_ops); + if (IS_ERR(asrc->m2m_dev)) { + dev_err(dev, "failed to register v4l2 device\n"); + ret = PTR_ERR(asrc->m2m_dev); + goto err_m2m; + } + + asrc->dec_vdev = video_device_alloc(); + if (!asrc->dec_vdev) { + dev_err(dev, "failed to register v4l2 device\n"); + ret = -ENOMEM; + goto err_vdev_alloc; + } + + mutex_init(&asrc->mlock); + + asrc->dec_vdev->fops = &fsl_asrc_m2m_fops; + asrc->dec_vdev->ioctl_ops = &fsl_asrc_m2m_ioctl_ops; + asrc->dec_vdev->minor = -1; + asrc->dec_vdev->release = video_device_release; + asrc->dec_vdev->lock = &asrc->mlock; /* lock for ioctl serialization */ + asrc->dec_vdev->v4l2_dev = &asrc->v4l2_dev; + asrc->dec_vdev->vfl_dir = VFL_DIR_M2M; + asrc->dec_vdev->device_caps = V4L2_CAP_AUDIO | V4L2_CAP_STREAMING; + + ret = video_register_device(asrc->dec_vdev, VFL_TYPE_AUDIO, -1); + if (ret) { + dev_err(dev, "failed to register video device\n"); + goto err_vdev_register; + } + + video_set_drvdata(asrc->dec_vdev, asrc); + + return 0; + +err_vdev_register: + video_device_release(asrc->dec_vdev); +err_vdev_alloc: + v4l2_m2m_release(asrc->m2m_dev); +err_m2m: + v4l2_device_unregister(&asrc->v4l2_dev); +err_register: + return ret; +} +EXPORT_SYMBOL_GPL(fsl_asrc_m2m_probe); + +int fsl_asrc_m2m_remove(struct platform_device *pdev) +{ + struct fsl_asrc *asrc = dev_get_drvdata(&pdev->dev); + + video_unregister_device(asrc->dec_vdev); + video_device_release(asrc->dec_vdev); + v4l2_m2m_release(asrc->m2m_dev); + v4l2_device_unregister(&asrc->v4l2_dev); + + return 0; +} +EXPORT_SYMBOL_GPL(fsl_asrc_m2m_remove); + +/* suspend callback for m2m */ +int fsl_asrc_m2m_suspend(struct fsl_asrc *asrc) +{ + struct fsl_asrc_pair *pair; + unsigned long lock_flags; + int i; + + for (i = 0; i < PAIR_CTX_NUM; i++) { + spin_lock_irqsave(&asrc->lock, lock_flags); + pair = asrc->pair[i]; + if (!pair || !pair->fh.vdev) { + spin_unlock_irqrestore(&asrc->lock, lock_flags); + continue; + } + if (!completion_done(&pair->complete[V4L_OUT])) { + if (pair->dma_chan[V4L_OUT]) + dmaengine_terminate_all(pair->dma_chan[V4L_OUT]); + fsl_asrc_input_dma_callback((void *)pair); + } + if (!completion_done(&pair->complete[V4L_CAP])) { + if (pair->dma_chan[V4L_CAP]) + dmaengine_terminate_all(pair->dma_chan[V4L_CAP]); + fsl_asrc_output_dma_callback((void *)pair); + } + + if (asrc->m2m_pair_suspend) + asrc->m2m_pair_suspend(pair); + + spin_unlock_irqrestore(&asrc->lock, lock_flags); + } + + return 0; +} +EXPORT_SYMBOL_GPL(fsl_asrc_m2m_suspend); + +int fsl_asrc_m2m_resume(struct fsl_asrc *asrc) +{ + struct fsl_asrc_pair *pair; + unsigned long lock_flags; + int i; + + for (i = 0; i < PAIR_CTX_NUM; i++) { + spin_lock_irqsave(&asrc->lock, lock_flags); + pair = asrc->pair[i]; + if (!pair || !pair->fh.vdev) { + spin_unlock_irqrestore(&asrc->lock, lock_flags); + continue; + } + if (asrc->m2m_pair_resume) + asrc->m2m_pair_resume(pair); + + spin_unlock_irqrestore(&asrc->lock, lock_flags); + } + + return 0; +} +EXPORT_SYMBOL_GPL(fsl_asrc_m2m_resume); + +MODULE_DESCRIPTION("Freescale ASRC M2M driver"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/fsl/fsl_asrc_m2m.h b/sound/soc/fsl/fsl_asrc_m2m.h new file mode 100644 index 000000000000..a5b91ed4d3b0 --- /dev/null +++ b/sound/soc/fsl/fsl_asrc_m2m.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2019-2023 NXP + */ + +#ifndef _FSL_ASRC_M2M_H +#define _FSL_ASRC_M2M_H + +#include +#include "fsl_asrc_common.h" + +#define V4L_CAP OUT +#define V4L_OUT IN + +#define ASRC_xPUT_DMA_CALLBACK(dir) \ + (((dir) == V4L_OUT) ? fsl_asrc_input_dma_callback \ + : fsl_asrc_output_dma_callback) + +#define DIR_STR(dir) (dir) == V4L_OUT ? "out" : "cap" + +#if IS_ENABLED(CONFIG_SND_SOC_FSL_ASRC_M2M) +int fsl_asrc_m2m_probe(struct fsl_asrc *asrc); +int fsl_asrc_m2m_remove(struct platform_device *pdev); +int fsl_asrc_m2m_suspend(struct fsl_asrc *asrc); +int fsl_asrc_m2m_resume(struct fsl_asrc *asrc); +#else +static inline int fsl_asrc_m2m_probe(struct fsl_asrc *asrc) +{ + return 0; +} + +static inline int fsl_asrc_m2m_remove(struct platform_device *pdev) +{ + return 0; +} + +static inline int fsl_asrc_m2m_suspend(struct fsl_asrc *asrc) +{ + return 0; +} + +static inline int fsl_asrc_m2m_resume(struct fsl_asrc *asrc) +{ + return 0; +} +#endif + +#endif /* _FSL_EASRC_M2M_H */ From patchwork Thu Jun 29 01:37:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 698408 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E765EEB64DC for ; Thu, 29 Jun 2023 02:19:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231799AbjF2CTD (ORCPT ); Wed, 28 Jun 2023 22:19:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230447AbjF2CS7 (ORCPT ); Wed, 28 Jun 2023 22:18:59 -0400 Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 383E12134; Wed, 28 Jun 2023 19:18:57 -0700 (PDT) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D340B200D46; Thu, 29 Jun 2023 04:10:38 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 9C585200D3F; Thu, 29 Jun 2023 04:10:38 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id D7DBF181D0E3; Thu, 29 Jun 2023 10:10:36 +0800 (+08) From: Shengjiu Wang To: tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 5/6] ASoC: fsl_asrc: enable memory to memory function Date: Thu, 29 Jun 2023 09:37:52 +0800 Message-Id: <1688002673-28493-6-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> References: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Intergrate memory to memory feature to ASRC driver, call m2m probe(), remove(), suspend() and resume() in different callback. Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_asrc.c | 37 +++++++++++++++++++++++++++++++++++-- 1 file changed, 35 insertions(+), 2 deletions(-) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 30190ccb74e7..bd5f134e3473 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -17,6 +17,7 @@ #include #include "fsl_asrc.h" +#include "fsl_asrc_m2m.h" #define IDEAL_RATIO_DECIMAL_DEPTH 26 #define DIVIDER_NUM 64 @@ -1380,6 +1381,13 @@ static int fsl_asrc_probe(struct platform_device *pdev) goto err_pm_get_sync; } + /* probe m2m feature */ + ret = fsl_asrc_m2m_probe(asrc); + if (ret) { + dev_err(&pdev->dev, "failed to init m2m device %d\n", ret); + goto err_pm_get_sync; + } + return 0; err_pm_get_sync: @@ -1392,6 +1400,9 @@ static int fsl_asrc_probe(struct platform_device *pdev) static void fsl_asrc_remove(struct platform_device *pdev) { + /* remove m2m feature */ + fsl_asrc_m2m_remove(pdev); + pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) fsl_asrc_runtime_suspend(&pdev->dev); @@ -1493,10 +1504,32 @@ static int fsl_asrc_runtime_suspend(struct device *dev) return 0; } +static int __maybe_unused fsl_asrc_suspend(struct device *dev) +{ + struct fsl_asrc *asrc = dev_get_drvdata(dev); + + /* suspend asrc m2m */ + fsl_asrc_m2m_suspend(asrc); + + return pm_runtime_force_suspend(dev); +} + +static int __maybe_unused fsl_asrc_resume(struct device *dev) +{ + struct fsl_asrc *asrc = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_force_resume(dev); + + /* resume asrc m2m */ + fsl_asrc_m2m_resume(asrc); + + return ret; +} + static const struct dev_pm_ops fsl_asrc_pm = { SET_RUNTIME_PM_OPS(fsl_asrc_runtime_suspend, fsl_asrc_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) + SET_SYSTEM_SLEEP_PM_OPS(fsl_asrc_suspend, fsl_asrc_resume) }; static const struct fsl_asrc_soc_data fsl_asrc_imx35_data = { From patchwork Thu Jun 29 01:37:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 698409 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E5F5BEB64D7 for ; Thu, 29 Jun 2023 02:19:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231332AbjF2CTB (ORCPT ); Wed, 28 Jun 2023 22:19:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230314AbjF2CS7 (ORCPT ); Wed, 28 Jun 2023 22:18:59 -0400 Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 804E2211D; Wed, 28 Jun 2023 19:18:57 -0700 (PDT) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 222B4200D56; Thu, 29 Jun 2023 04:10:40 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id DF4AA200D42; Thu, 29 Jun 2023 04:10:39 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 2919D181D0E5; Thu, 29 Jun 2023 10:10:38 +0800 (+08) From: Shengjiu Wang To: tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 6/6] ASoC: fsl_easrc: enable memory to memory function Date: Thu, 29 Jun 2023 09:37:53 +0800 Message-Id: <1688002673-28493-7-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> References: <1688002673-28493-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Intergrate memory to memory feature to EASRC driver. call m2m probe(), remove(), suspend() and resume() in different callback. Signed-off-by: Shengjiu Wang --- sound/soc/fsl/fsl_easrc.c | 41 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 39 insertions(+), 2 deletions(-) diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index b735b24badc2..bc5404627032 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -29,6 +29,7 @@ #include #include "fsl_easrc.h" +#include "fsl_asrc_m2m.h" #include "imx-pcm.h" #define FSL_EASRC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ @@ -2190,11 +2191,21 @@ static int fsl_easrc_probe(struct platform_device *pdev) return ret; } + /* probe the m2m feature */ + ret = fsl_asrc_m2m_probe(easrc); + if (ret) { + dev_err(&pdev->dev, "failed to init m2m device %d\n", ret); + return ret; + } + return 0; } static void fsl_easrc_remove(struct platform_device *pdev) { + /* remove the m2m feature */ + fsl_asrc_m2m_remove(pdev); + pm_runtime_disable(&pdev->dev); } @@ -2295,12 +2306,38 @@ static __maybe_unused int fsl_easrc_runtime_resume(struct device *dev) return ret; } +static int __maybe_unused fsl_easrc_suspend(struct device *dev) +{ + struct fsl_asrc *easrc = dev_get_drvdata(dev); + int ret; + + /* suspend m2m function first */ + fsl_asrc_m2m_suspend(easrc); + + ret = pm_runtime_force_suspend(dev); + + return ret; +} + +static int __maybe_unused fsl_easrc_resume(struct device *dev) +{ + struct fsl_asrc *easrc = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_force_resume(dev); + + /* resume m2m function */ + fsl_asrc_m2m_resume(easrc); + + return ret; +} + static const struct dev_pm_ops fsl_easrc_pm_ops = { SET_RUNTIME_PM_OPS(fsl_easrc_runtime_suspend, fsl_easrc_runtime_resume, NULL) - SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, - pm_runtime_force_resume) + SET_SYSTEM_SLEEP_PM_OPS(fsl_easrc_suspend, + fsl_easrc_resume) }; static struct platform_driver fsl_easrc_driver = {