From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90BF5C4727E for ; Tue, 6 Oct 2020 17:33:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4035B206F7 for ; Tue, 6 Oct 2020 17:33:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726348AbgJFRdI (ORCPT ); Tue, 6 Oct 2020 13:33:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35786 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726127AbgJFRdI (ORCPT ); Tue, 6 Oct 2020 13:33:08 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9EA68C061755; Tue, 6 Oct 2020 10:33:07 -0700 (PDT) Received: from [IPv6:2003:c7:cf16:900:5190:ba7f:2f3f:af9e] (p200300c7cf1609005190ba7f2f3faf9e.dip0.t-ipconnect.de [IPv6:2003:c7:cf16:900:5190:ba7f:2f3f:af9e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: dafna) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id C06A129967E; Tue, 6 Oct 2020 18:33:05 +0100 (BST) Subject: Re: [PATCH v3 2/3] media: rockchip: Introduce driver for Rockhip's camera interface To: Ezequiel Garcia , Maxime Chevallier Cc: Mauro Carvalho Chehab , Rob Herring , Robin Murphy , Mark Rutland , Heiko Stuebner , Hans Verkuil , Helen Koike , linux-media , devicetree , linux-arm-kernel , "open list:ARM/Rockchip SoC..." , Linux Kernel Mailing List , Thomas Petazzoni , Miquel Raynal , Paul Kocialkowski References: <20200922165535.1356622-1-maxime.chevallier@bootlin.com> <20200922165535.1356622-3-maxime.chevallier@bootlin.com> From: Dafna Hirschfeld Message-ID: Date: Tue, 6 Oct 2020 19:33:01 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi, Am 02.10.20 um 19:35 schrieb Ezequiel Garcia: > Hi Maxime, > > Thanks to Dafna, I found the patch ^_^ > > The driver looks real good. Just a few comments below. > > Is the driver passing latest v4l2-compliance tests? > > On Tue, 22 Sep 2020 at 13:55, Maxime Chevallier > wrote: >> >> Introduce a driver for the camera interface on some Rockchip platforms. >> >> This controller supports CSI2 and BT656 interfaces, but for >> now only the BT656 interface could be tested, hence it's the only one >> that's supported in the first version of this driver. >> >> This controller can be fond on PX30, RK1808, RK3128, RK3288 and RK3288, >> but for now it's only be tested on PX30. >> >> Most of this driver was written following the BSP driver from rockchip, >> removing the parts that either didn't fit correctly the guidelines, or >> that couldn't be tested. >> >> In the BSP, this driver is known as the "cif" driver, but this was >> renamed to "vip" to better fit the controller denomination in the >> datasheet. >> >> This basic version doesn't support cropping nor scaling, and is only >> designed with one sensor being attached to it a any time. >> >> This version uses the "pingpong" mode of the controller, which is a >> double-buffering mechanism. >> >> Signed-off-by: Maxime Chevallier >> --- >> V3: >> - renamed the driver >> - Took Hans, Robin and Ezequiel's reviews into account >> - Implemented the ouble-buffering mode >> >> drivers/media/platform/Kconfig | 13 + >> drivers/media/platform/Makefile | 1 + >> drivers/media/platform/rockchip/vip/Makefile | 3 + >> drivers/media/platform/rockchip/vip/capture.c | 1246 +++++++++++++++++ >> drivers/media/platform/rockchip/vip/dev.c | 408 ++++++ >> drivers/media/platform/rockchip/vip/dev.h | 206 +++ >> drivers/media/platform/rockchip/vip/regs.h | 260 ++++ >> 7 files changed, 2137 insertions(+) >> create mode 100644 drivers/media/platform/rockchip/vip/Makefile >> create mode 100644 drivers/media/platform/rockchip/vip/capture.c >> create mode 100644 drivers/media/platform/rockchip/vip/dev.c >> create mode 100644 drivers/media/platform/rockchip/vip/dev.h >> create mode 100644 drivers/media/platform/rockchip/vip/regs.h >> >> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig >> index c57ee78fa99d..5bc67a0bdd69 100644 >> --- a/drivers/media/platform/Kconfig >> +++ b/drivers/media/platform/Kconfig >> @@ -461,6 +461,19 @@ config VIDEO_ROCKCHIP_RGA >> >> To compile this driver as a module choose m here. >> >> +config VIDEO_ROCKCHIP_VIP >> + tristate "Rockchip VIP (Video InPut) Camera Interface" >> + depends on VIDEO_DEV && VIDEO_V4L2 >> + depends on ARCH_ROCKCHIP || COMPILE_TEST >> + select VIDEOBUF2_DMA_SG >> + select VIDEOBUF2_DMA_CONTIG >> + select V4L2_FWNODE >> + select V4L2_MEM2MEM_DEV >> + help >> + This is a v4l2 driver for Rockchip SOC Camera interface. >> + >> + To compile this driver as a module choose m here. >> + > > Please add ... "the module will be called {the name}". > >> config VIDEO_TI_VPE >> tristate "TI VPE (Video Processing Engine) driver" >> depends on VIDEO_DEV && VIDEO_V4L2 >> diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile >> index 62b6cdc8c730..d056f5618c2b 100644 >> --- a/drivers/media/platform/Makefile >> +++ b/drivers/media/platform/Makefile >> @@ -53,6 +53,7 @@ obj-$(CONFIG_VIDEO_RENESAS_JPU) += rcar_jpu.o >> obj-$(CONFIG_VIDEO_RENESAS_VSP1) += vsp1/ >> >> obj-$(CONFIG_VIDEO_ROCKCHIP_RGA) += rockchip/rga/ >> +obj-$(CONFIG_VIDEO_ROCKCHIP_VIP) += rockchip/vip/ >> >> obj-y += omap/ >> >> diff --git a/drivers/media/platform/rockchip/vip/Makefile b/drivers/media/platform/rockchip/vip/Makefile >> new file mode 100644 >> index 000000000000..c239ee0bb0fe >> --- /dev/null >> +++ b/drivers/media/platform/rockchip/vip/Makefile >> @@ -0,0 +1,3 @@ >> +# SPDX-License-Identifier: GPL-2.0 >> +obj-$(CONFIG_VIDEO_ROCKCHIP_VIP) += video_rkvip.o >> +video_rkvip-objs += dev.o capture.o >> diff --git a/drivers/media/platform/rockchip/vip/capture.c b/drivers/media/platform/rockchip/vip/capture.c >> new file mode 100644 >> index 000000000000..6f8e1184695c >> --- /dev/null >> +++ b/drivers/media/platform/rockchip/vip/capture.c >> @@ -0,0 +1,1246 @@ >> +// SPDX-License-Identifier: GPL-2.0 >> +/* >> + * Rockchip VIP Camera Interface Driver >> + * >> + * Copyright (C) 2018 Rockchip Electronics Co., Ltd. >> + * Copyright (C) 2020 Maxime Chevallier >> + */ >> + >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> + >> +#include "dev.h" >> +#include "regs.h" >> + >> +#define VIP_REQ_BUFS_MIN 1 > > I think you might want to have more than 1 buffer > as minimum. How about 3? Two for the ping and pong, > and one more in the queue. > >> +#define VIP_MIN_WIDTH 64 >> +#define VIP_MIN_HEIGHT 64 >> +#define VIP_MAX_WIDTH 8192 >> +#define VIP_MAX_HEIGHT 8192 >> + >> +#define RK_VIP_PLANE_Y 0 >> +#define RK_VIP_PLANE_CBCR 1 >> + >> +#define VIP_FETCH_Y_LAST_LINE(VAL) ((VAL) & 0x1fff) >> +/* Check if swap y and c in bt1120 mode */ >> +#define VIP_FETCH_IS_Y_FIRST(VAL) ((VAL) & 0xf) >> + >> +/* Get xsubs and ysubs for fourcc formats >> + * >> + * @xsubs: horizontal color samples in a 4*4 matrix, for yuv >> + * @ysubs: vertical color samples in a 4*4 matrix, for yuv >> + */ >> +static int fcc_xysubs(u32 fcc, u32 *xsubs, u32 *ysubs) > > See below, you should be using v4l2_fill_pixfmt_mp. > >> +{ >> + switch (fcc) { >> + case V4L2_PIX_FMT_NV16: >> + case V4L2_PIX_FMT_NV61: >> + *xsubs = 2; >> + *ysubs = 1; >> + break; >> + case V4L2_PIX_FMT_NV21: >> + case V4L2_PIX_FMT_NV12: >> + *xsubs = 2; >> + *ysubs = 2; >> + break; >> + default: >> + return -EINVAL; >> + } >> + >> + return 0; >> +} >> + >> +static const struct vip_output_fmt out_fmts[] = { >> + { >> + .fourcc = V4L2_PIX_FMT_NV16, >> + .cplanes = 2, > > From what I can see, you are only using this > information to calculate bytesperline and sizeimage, > so you should be using the v4l2_fill_pixfmt_mp() helper. > >> + .fmt_val = VIP_FORMAT_YUV_OUTPUT_422 | >> + VIP_FORMAT_UV_STORAGE_ORDER_UVUV, >> + .bpp = { 8, 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_NV61, >> + .fmt_val = VIP_FORMAT_YUV_OUTPUT_422 | >> + VIP_FORMAT_UV_STORAGE_ORDER_VUVU, >> + .cplanes = 2, >> + .bpp = { 8, 16 }, >> + }, >> + { >> + .fourcc = V4L2_PIX_FMT_NV12, >> + .fmt_val = VIP_FORMAT_YUV_OUTPUT_420 | >> + VIP_FORMAT_UV_STORAGE_ORDER_UVUV, >> + .cplanes = 2, >> + .bpp = { 8, 16 }, >> + .mbus = MEDIA_BUS_FMT_UYVY8_2X8, >> + }, >> + { >> + .fourcc = V4L2_PIX_FMT_NV21, >> + .fmt_val = VIP_FORMAT_YUV_OUTPUT_420 | >> + VIP_FORMAT_UV_STORAGE_ORDER_VUVU, >> + .cplanes = 2, >> + .bpp = { 8, 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_RGB24, >> + .cplanes = 1, >> + .bpp = { 24 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_RGB565, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_BGR666, >> + .cplanes = 1, >> + .bpp = { 18 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SRGGB8, >> + .cplanes = 1, >> + .bpp = { 8 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SGRBG8, >> + .cplanes = 1, >> + .bpp = { 8 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SGBRG8, >> + .cplanes = 1, >> + .bpp = { 8 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SBGGR8, >> + .cplanes = 1, >> + .bpp = { 8 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SRGGB10, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SGRBG10, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SGBRG10, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SBGGR10, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SRGGB12, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SGRBG12, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SGBRG12, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SBGGR12, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_SBGGR16, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + }, { >> + .fourcc = V4L2_PIX_FMT_Y16, >> + .cplanes = 1, >> + .bpp = { 16 }, >> + } >> +}; >> + >> +static const struct vip_input_fmt in_fmts[] = { >> + { >> + .mbus_code = MEDIA_BUS_FMT_YUYV8_2X8, >> + .dvp_fmt_val = VIP_FORMAT_YUV_INPUT_422 | >> + VIP_FORMAT_YUV_INPUT_ORDER_YUYV, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_YUV422, >> + .fmt_type = VIP_FMT_TYPE_YUV, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_YUYV8_2X8, >> + .dvp_fmt_val = VIP_FORMAT_YUV_INPUT_422 | >> + VIP_FORMAT_YUV_INPUT_ORDER_YUYV, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_YUV422, >> + .fmt_type = VIP_FMT_TYPE_YUV, >> + .field = V4L2_FIELD_INTERLACED, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_YVYU8_2X8, >> + .dvp_fmt_val = VIP_FORMAT_YUV_INPUT_422 | >> + VIP_FORMAT_YUV_INPUT_ORDER_YVYU, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_YUV422, >> + .fmt_type = VIP_FMT_TYPE_YUV, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_YVYU8_2X8, >> + .dvp_fmt_val = VIP_FORMAT_YUV_INPUT_422 | >> + VIP_FORMAT_YUV_INPUT_ORDER_YVYU, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_YUV422, >> + .fmt_type = VIP_FMT_TYPE_YUV, >> + .field = V4L2_FIELD_INTERLACED, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_UYVY8_2X8, >> + .dvp_fmt_val = VIP_FORMAT_YUV_INPUT_422 | >> + VIP_FORMAT_YUV_INPUT_ORDER_UYVY, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_YUV422, >> + .fmt_type = VIP_FMT_TYPE_YUV, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_UYVY8_2X8, >> + .dvp_fmt_val = VIP_FORMAT_YUV_INPUT_422 | >> + VIP_FORMAT_YUV_INPUT_ORDER_UYVY, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_YUV422, >> + .fmt_type = VIP_FMT_TYPE_YUV, >> + .field = V4L2_FIELD_INTERLACED, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_VYUY8_2X8, >> + .dvp_fmt_val = VIP_FORMAT_YUV_INPUT_422 | >> + VIP_FORMAT_YUV_INPUT_ORDER_VYUY, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_YUV422, >> + .fmt_type = VIP_FMT_TYPE_YUV, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_VYUY8_2X8, >> + .dvp_fmt_val = VIP_FORMAT_YUV_INPUT_422 | >> + VIP_FORMAT_YUV_INPUT_ORDER_VYUY, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_YUV422, >> + .fmt_type = VIP_FMT_TYPE_YUV, >> + .field = V4L2_FIELD_INTERLACED, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SBGGR8_1X8, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_8, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW8, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SGBRG8_1X8, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_8, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW8, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SGRBG8_1X8, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_8, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW8, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SRGGB8_1X8, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_8, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW8, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SBGGR10_1X10, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_10, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW10, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SGBRG10_1X10, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_10, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW10, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SGRBG10_1X10, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_10, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW10, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SRGGB10_1X10, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_10, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW10, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SBGGR12_1X12, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_12, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW12, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SGBRG12_1X12, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_12, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW12, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SGRBG12_1X12, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_12, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW12, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_SRGGB12_1X12, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_12, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW12, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_RGB888_1X24, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RGB888, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_Y8_1X8, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_8, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW8, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_Y10_1X10, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_10, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW10, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + }, { >> + .mbus_code = MEDIA_BUS_FMT_Y12_1X12, >> + .dvp_fmt_val = VIP_FORMAT_INPUT_MODE_RAW | >> + VIP_FORMAT_RAW_DATA_WIDTH_12, >> + .csi_fmt_val = VIP_CSI_WRDDR_TYPE_RAW12, >> + .fmt_type = VIP_FMT_TYPE_RAW, >> + .field = V4L2_FIELD_NONE, >> + } >> +}; >> + >> +static const struct >> +vip_input_fmt *get_input_fmt(struct v4l2_subdev *sd) >> +{ >> + struct v4l2_subdev_format fmt; >> + int ret; >> + u32 i; >> + >> + fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; >> + fmt.pad = 0; >> + ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt); >> + if (ret < 0) { >> + v4l2_warn(sd->v4l2_dev, >> + "sensor fmt invalid, set to default size\n"); >> + goto set_default; >> + } >> + >> + for (i = 0; i < ARRAY_SIZE(in_fmts); i++) >> + if (fmt.format.code == in_fmts[i].mbus_code && >> + fmt.format.field == in_fmts[i].field) >> + return &in_fmts[i]; >> + >> + v4l2_err(sd->v4l2_dev, "remote sensor mbus code not supported\n"); >> + >> +set_default: >> + return NULL; >> +} >> + >> +static const struct >> +vip_output_fmt *find_output_fmt(struct rk_vip_stream *stream, u32 pixelfmt) >> +{ >> + const struct vip_output_fmt *fmt; >> + u32 i; >> + >> + for (i = 0; i < ARRAY_SIZE(out_fmts); i++) { >> + fmt = &out_fmts[i]; >> + if (fmt->fourcc == pixelfmt) >> + return fmt; >> + } >> + >> + return NULL; >> +} >> + >> +static void rk_vip_setup_buffers(struct rk_vip_stream *stream) >> +{ >> + struct rk_vip_device *dev = stream->vipdev; >> + void __iomem *base = dev->base_addr; >> + >> + write_vip_reg(base, VIP_FRM0_ADDR_Y, stream->buffs[0]->buff_addr[RK_VIP_PLANE_Y]); >> + write_vip_reg(base, VIP_FRM0_ADDR_UV, stream->buffs[0]->buff_addr[RK_VIP_PLANE_CBCR]); >> + >> + write_vip_reg(base, VIP_FRM1_ADDR_Y, stream->buffs[1]->buff_addr[RK_VIP_PLANE_Y]); >> + write_vip_reg(base, VIP_FRM1_ADDR_UV, stream->buffs[1]->buff_addr[RK_VIP_PLANE_CBCR]); >> +} >> + >> +static struct rk_vip_buffer *rk_vip_buffer_next(struct rk_vip_stream *stream) >> +{ >> + struct rk_vip_buffer *buff; >> + >> + if (list_empty(&stream->buf_head)) >> + return NULL; >> + >> + buff = list_first_entry(&stream->buf_head, struct rk_vip_buffer, queue); >> + list_del(&buff->queue); >> + >> + return buff; >> +} >> + >> +static void rk_vip_init_buffers(struct rk_vip_stream *stream) >> +{ >> + spin_lock(&stream->vbq_lock); >> + >> + stream->buffs[0] = rk_vip_buffer_next(stream); >> + stream->buffs[1] = rk_vip_buffer_next(stream); >> + >> + spin_unlock(&stream->vbq_lock); >> + >> + rk_vip_setup_buffers(stream); >> +} >> + >> +static void rk_vip_assign_new_buffer_pingpong(struct rk_vip_stream *stream) >> +{ >> + struct rk_vip_scratch_buffer *scratch_buf = &stream->scratch_buf; >> + struct rk_vip_device *dev = stream->vipdev; >> + struct rk_vip_buffer *buffer = NULL; >> + void __iomem *base = dev->base_addr; >> + u32 frm_addr_y, frm_addr_uv; >> + >> + /* Set up an empty buffer for the next frame */ >> + spin_lock(&stream->vbq_lock); >> + >> + buffer = rk_vip_buffer_next(stream); >> + stream->buffs[stream->frame_phase] = buffer; >> + >> + spin_unlock(&stream->vbq_lock); >> + >> + frm_addr_y = stream->frame_phase ? VIP_FRM1_ADDR_Y : VIP_FRM0_ADDR_Y; >> + frm_addr_uv = stream->frame_phase ? VIP_FRM1_ADDR_UV : VIP_FRM0_ADDR_UV; >> + >> + if (buffer) { >> + write_vip_reg(base, frm_addr_y, >> + buffer->buff_addr[RK_VIP_PLANE_Y]); >> + write_vip_reg(base, frm_addr_uv, >> + buffer->buff_addr[RK_VIP_PLANE_CBCR]); >> + } else { >> + write_vip_reg(base, frm_addr_y, scratch_buf->dma_addr); >> + write_vip_reg(base, frm_addr_uv, scratch_buf->dma_addr); >> + } >> +} >> + >> +static void rk_vip_stream_stop(struct rk_vip_stream *stream) >> +{ >> + struct rk_vip_device *vip_dev = stream->vipdev; >> + void __iomem *base = vip_dev->base_addr; >> + u32 val; >> + >> + val = read_vip_reg(base, VIP_CTRL); >> + write_vip_reg(base, VIP_CTRL, val & (~VIP_CTRL_ENABLE_CAPTURE)); >> + write_vip_reg(base, VIP_INTEN, 0x0); >> + write_vip_reg(base, VIP_INTSTAT, 0x3ff); >> + write_vip_reg(base, VIP_FRAME_STATUS, 0x0); >> + >> + stream->state = RK_VIP_STATE_READY; >> +} >> + >> +static int rk_vip_queue_setup(struct vb2_queue *queue, >> + unsigned int *num_buffers, >> + unsigned int *num_planes, >> + unsigned int sizes[], >> + struct device *alloc_devs[]) >> +{ >> + struct rk_vip_stream *stream = queue->drv_priv; >> + const struct v4l2_plane_pix_format *plane_fmt; >> + const struct v4l2_pix_format_mplane *pixm; >> + const struct vip_output_fmt *vip_fmt; >> + >> + pixm = &stream->pixm; >> + vip_fmt = stream->vip_fmt_out; >> + >> + if (*num_planes) { >> + if (*num_planes != 1) >> + return -EINVAL; >> + >> + if (sizes[0] < pixm->plane_fmt[0].sizeimage) >> + return -EINVAL; >> + return 0; >> + } >> + >> + *num_planes = 1; >> + >> + plane_fmt = &pixm->plane_fmt[0]; >> + sizes[0] = plane_fmt->sizeimage; >> + >> + *num_buffers = 5; >> + > > Why not using VIP_REQ_BUFS_MIN here? (defined as 3) > >> + return 0; >> +} >> + >> +static void rk_vip_buf_queue(struct vb2_buffer *vb) >> +{ >> + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); >> + struct rk_vip_buffer *vipbuf = to_rk_vip_buffer(vbuf); >> + struct vb2_queue *queue = vb->vb2_queue; >> + struct rk_vip_stream *stream = queue->drv_priv; >> + struct v4l2_pix_format_mplane *pixm = &stream->pixm; >> + const struct vip_output_fmt *fmt = stream->vip_fmt_out; >> + unsigned long lock_flags = 0; >> + int i; >> + >> + memset(vipbuf->buff_addr, 0, sizeof(vipbuf->buff_addr)); >> + >> + vipbuf->buff_addr[0] = vb2_dma_contig_plane_dma_addr(vb, 0); >> + >> + for (i = 0; i < fmt->cplanes - 1; i++) >> + vipbuf->buff_addr[i + 1] = vipbuf->buff_addr[i] + >> + pixm->plane_fmt[i].bytesperline * pixm->height; >> + >> + spin_lock_irqsave(&stream->vbq_lock, lock_flags); >> + list_add_tail(&vipbuf->queue, &stream->buf_head); >> + spin_unlock_irqrestore(&stream->vbq_lock, lock_flags); >> +} >> + >> +static int rk_vip_create_scratch_buf(struct rk_vip_stream *stream) >> +{ >> + struct rk_vip_scratch_buffer *scratch_buf = &stream->scratch_buf; >> + struct rk_vip_device *dev = stream->vipdev; >> + >> + /* get a maximum plane size */ >> + scratch_buf->size = max(stream->pixm.plane_fmt[0].sizeimage, >> + stream->pixm.plane_fmt[1].sizeimage); >> + >> + scratch_buf->vaddr = dma_alloc_coherent(dev->dev, scratch_buf->size, >> + &scratch_buf->dma_addr, >> + GFP_KERNEL); >> + if (!scratch_buf->vaddr) { >> + v4l2_err(&dev->v4l2_dev, >> + "Failed to allocate the memory for scratch buffer\n"); >> + return -ENOMEM; >> + } >> + >> + v4l2_info(&dev->v4l2_dev, "Allocate scratch buffer, size: 0x%08x\n", >> + scratch_buf->size); >> + > > I would silence this message. The scratch buffers are just regular buffers, > why printing this on each start of streaming (well, why printing this at all) ? > >> + return 0; >> +} >> + >> +static void rk_vip_destroy_scratch_buf(struct rk_vip_stream *stream) >> +{ >> + struct rk_vip_scratch_buffer *scratch_buf = &stream->scratch_buf; >> + struct rk_vip_device *dev = stream->vipdev; >> + >> + dma_free_coherent(dev->dev, scratch_buf->size, >> + scratch_buf->vaddr, scratch_buf->dma_addr); >> +} >> + >> +static void rk_vip_stop_streaming(struct vb2_queue *queue) >> +{ >> + struct rk_vip_stream *stream = queue->drv_priv; >> + struct rk_vip_device *dev = stream->vipdev; >> + struct rk_vip_buffer *buf; >> + struct v4l2_subdev *sd; >> + int ret; >> + >> + stream->stopping = true; >> + ret = wait_event_timeout(stream->wq_stopped, >> + stream->state != RK_VIP_STATE_STREAMING, >> + msecs_to_jiffies(1000)); >> + if (!ret) { >> + rk_vip_stream_stop(stream); >> + stream->stopping = false; >> + } >> + pm_runtime_put(dev->dev); >> + >> + /* stop the sub device*/ >> + sd = dev->sensor.sd; >> + v4l2_subdev_call(sd, video, s_stream, 0); >> + v4l2_subdev_call(sd, core, s_power, 0); >> + >> + /* release buffers */ >> + if (stream->buffs[0]) { >> + list_add_tail(&stream->buffs[0]->queue, &stream->buf_head); I would call vb2_buffer_done directly instead of adddin to the list >> + stream->buffs[0] = NULL; >> + } >> + if (stream->buffs[1]) { >> + list_add_tail(&stream->buffs[1]->queue, &stream->buf_head); >> + stream->buffs[1] = NULL; >> + } >> + >> + while (!list_empty(&stream->buf_head)) { >> + buf = rk_vip_buffer_next(stream); >> + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); >> + } >> + >> + rk_vip_destroy_scratch_buf(stream); >> +} >> + >> +static u32 rk_vip_determine_input_mode(struct rk_vip_device *dev) >> +{ >> + struct rk_vip_sensor_info *sensor_info = &dev->sensor; >> + struct rk_vip_stream *stream = &dev->stream; >> + v4l2_std_id std; >> + u32 mode = VIP_FORMAT_INPUT_MODE_YUV; >> + int ret; >> + >> + ret = v4l2_subdev_call(sensor_info->sd, video, querystd, &std); >> + if (ret == 0) { >> + /* retrieve std from sensor if exist */ >> + switch (std) { >> + case 0: >> + break; >> + case V4L2_STD_NTSC: >> + mode = VIP_FORMAT_INPUT_MODE_NTSC; >> + break; >> + case V4L2_STD_PAL: >> + mode = VIP_FORMAT_INPUT_MODE_PAL; >> + break; >> + case V4L2_STD_ATSC: >> + mode = VIP_FORMAT_INPUT_MODE_BT1120; >> + break; >> + default: >> + v4l2_err(&dev->v4l2_dev, >> + "std: %lld is not supported", std); >> + } >> + } else { >> + /* determine input mode by mbus_code (fmt_type) */ >> + switch (stream->vip_fmt_in->fmt_type) { >> + case VIP_FMT_TYPE_YUV: >> + mode = VIP_FORMAT_INPUT_MODE_YUV; >> + break; >> + case VIP_FMT_TYPE_RAW: >> + mode = VIP_FORMAT_INPUT_MODE_RAW; >> + break; >> + } >> + } >> + >> + return mode; >> +} >> + >> +static inline u32 rk_vip_scl_ctl(struct rk_vip_stream *stream) >> +{ >> + u32 fmt_type = stream->vip_fmt_in->fmt_type; >> + >> + return (fmt_type == VIP_FMT_TYPE_YUV) ? >> + VIP_SCL_CTRL_ENABLE_YUV_16BIT_BYPASS : >> + VIP_SCL_CTRL_ENABLE_RAW_16BIT_BYPASS; >> +} >> + >> +static int rk_vip_stream_start(struct rk_vip_stream *stream) >> +{ >> + u32 val, mbus_flags, href_pol, vsync_pol, >> + xfer_mode = 0, yc_swap = 0, skip_top = 0; >> + struct rk_vip_device *dev = stream->vipdev; >> + struct rk_vip_sensor_info *sensor_info; >> + void __iomem *base = dev->base_addr; >> + >> + sensor_info = &dev->sensor; >> + stream->frame_idx = 0; >> + >> + mbus_flags = sensor_info->mbus.flags; >> + href_pol = (mbus_flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) ? >> + VIP_FORMAT_HSY_HIGH_ACTIVE : VIP_FORMAT_HSY_LOW_ACTIVE; >> + vsync_pol = (mbus_flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) ? >> + VIP_FORMAT_VSY_HIGH_ACTIVE : VIP_FORMAT_VSY_LOW_ACTIVE; >> + >> + if (rk_vip_determine_input_mode(dev) == VIP_FORMAT_INPUT_MODE_BT1120) { >> + if (stream->vip_fmt_in->field == V4L2_FIELD_NONE) >> + xfer_mode = VIP_FORMAT_BT1120_TRANSMIT_PROGRESS; >> + else >> + xfer_mode = VIP_FORMAT_BT1120_TRANSMIT_INTERFACE; >> + >> + if (!VIP_FETCH_IS_Y_FIRST(stream->vip_fmt_in->dvp_fmt_val)) >> + yc_swap = VIP_FORMAT_BT1120_YC_SWAP; >> + } >> + >> + val = vsync_pol | href_pol | rk_vip_determine_input_mode(dev) | >> + stream->vip_fmt_out->fmt_val | stream->vip_fmt_in->dvp_fmt_val | >> + xfer_mode | yc_swap; >> + write_vip_reg(base, VIP_FOR, val); >> + val = stream->pixm.width; >> + if (stream->vip_fmt_in->fmt_type == VIP_FMT_TYPE_RAW) >> + val = stream->pixm.width * 2; >> + write_vip_reg(base, VIP_VIR_LINE_WIDTH, val); >> + write_vip_reg(base, VIP_SET_SIZE, >> + stream->pixm.width | (stream->pixm.height << 16)); >> + >> + v4l2_subdev_call(sensor_info->sd, sensor, g_skip_top_lines, &skip_top); >> + >> + write_vip_reg(base, VIP_CROP, skip_top << VIP_CROP_Y_SHIFT); >> + write_vip_reg(base, VIP_FRAME_STATUS, VIP_FRAME_STAT_CLS); >> + write_vip_reg(base, VIP_INTSTAT, VIP_INTSTAT_CLS); >> + write_vip_reg(base, VIP_SCL_CTRL, rk_vip_scl_ctl(stream)); >> + >> + rk_vip_init_buffers(stream); >> + >> + write_vip_reg(base, VIP_INTEN, VIP_INTEN_FRAME_END_EN | >> + VIP_INTEN_LINE_ERR_EN | >> + VIP_INTEN_PST_INF_FRAME_END_EN); >> + >> + write_vip_reg(base, VIP_CTRL, VIP_CTRL_AXI_BURST_16 | >> + VIP_CTRL_MODE_PINGPONG | >> + VIP_CTRL_ENABLE_CAPTURE); >> + >> + stream->state = RK_VIP_STATE_STREAMING; >> + >> + return 0; >> +} >> + >> +static int rk_vip_start_streaming(struct vb2_queue *queue, unsigned int count) >> +{ >> + struct rk_vip_stream *stream = queue->drv_priv; >> + struct rk_vip_device *dev = stream->vipdev; >> + struct v4l2_device *v4l2_dev = &dev->v4l2_dev; >> + struct v4l2_subdev *sd; >> + int ret; >> + >> + if (WARN_ON(stream->state != RK_VIP_STATE_READY)) { >> + ret = -EBUSY; >> + v4l2_err(v4l2_dev, "stream in busy state\n"); >> + goto destroy_buf; >> + } >> + >> + stream->vip_fmt_in = get_input_fmt(dev->sensor.sd); >> + >> + ret = rk_vip_create_scratch_buf(stream); >> + if (ret < 0) { >> + v4l2_err(v4l2_dev, "Failed to create scratch_buf, %d\n", ret); >> + goto destroy_buf; >> + } >> + >> + ret = pm_runtime_get_sync(dev->dev); >> + if (ret < 0) { >> + v4l2_err(v4l2_dev, "Failed to get runtime pm, %d\n", ret); >> + goto destroy_scratch_buf; >> + } >> + >> + /* start sub-devices */ >> + sd = dev->sensor.sd; >> + ret = v4l2_subdev_call(sd, core, s_power, 1); >> + if (ret < 0 && ret != -ENOIOCTLCMD) >> + goto runtime_put; >> + ret = v4l2_subdev_call(sd, video, s_stream, 1); >> + if (ret < 0) >> + goto subdev_poweroff; >> + >> + ret = rk_vip_stream_start(stream); >> + if (ret < 0) >> + goto stop_stream; >> + >> + return 0; >> + >> +stop_stream: >> + rk_vip_stream_stop(stream); >> +subdev_poweroff: >> + v4l2_subdev_call(sd, core, s_power, 0); >> +runtime_put: >> + pm_runtime_put(dev->dev); >> +destroy_scratch_buf: >> + rk_vip_destroy_scratch_buf(stream); >> +destroy_buf: >> + while (!list_empty(&stream->buf_head)) { >> + struct rk_vip_buffer *buf; >> + >> + buf = rk_vip_buffer_next(stream); >> + vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); >> + } >> + >> + return ret; >> +} >> + >> +static struct vb2_ops rk_vip_vb2_ops = { >> + .queue_setup = rk_vip_queue_setup, >> + .buf_queue = rk_vip_buf_queue, >> + .wait_prepare = vb2_ops_wait_prepare, >> + .wait_finish = vb2_ops_wait_finish, >> + .stop_streaming = rk_vip_stop_streaming, >> + .start_streaming = rk_vip_start_streaming, >> +}; >> + >> +static int rk_vip_init_vb2_queue(struct vb2_queue *q, >> + struct rk_vip_stream *stream, >> + enum v4l2_buf_type buf_type) >> +{ >> + q->type = buf_type; > > Looks this is only called with one buf_type, so why not hardcoding it here? > >> + q->io_modes = VB2_MMAP | VB2_DMABUF; >> + q->drv_priv = stream; >> + q->ops = &rk_vip_vb2_ops; >> + q->mem_ops = &vb2_dma_contig_memops; >> + q->buf_struct_size = sizeof(struct rk_vip_buffer); >> + q->min_buffers_needed = VIP_REQ_BUFS_MIN; >> + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; >> + q->lock = &stream->vlock; >> + q->dev = stream->vipdev->dev; >> + >> + return vb2_queue_init(q); >> +} >> + >> +static void rk_vip_set_fmt(struct rk_vip_stream *stream, >> + struct v4l2_pix_format_mplane *pixm, >> + bool try) >> +{ >> + struct rk_vip_device *dev = stream->vipdev; >> + struct v4l2_subdev_format sd_fmt; >> + const struct vip_output_fmt *fmt; >> + struct v4l2_rect input_rect; >> + unsigned int planes, imagesize = 0; >> + u32 xsubs = 1, ysubs = 1; >> + int i; >> + > > I was expecting to see some is_busy or is_streaming check > here, have you tested what happens if you change the format > while streaming, or after buffers are queued? > >> + fmt = find_output_fmt(stream, pixm->pixelformat); >> + if (!fmt) >> + fmt = &out_fmts[0]; >> + >> + if (!try) { >> + sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; >> + sd_fmt.pad = 0; >> + sd_fmt.format.width = pixm->width; >> + sd_fmt.format.height = pixm->height; >> + v4l2_subdev_call(dev->sensor.sd, pad, set_fmt, NULL, &sd_fmt); I see that there is a call to v4l2_device_register_subdev_nodes which means that the sd will also have a node that userspace can confiugre with ioctl, in that case userspace should call set_fmt on the subdevice driectly. >> + >> + pixm->width = sd_fmt.format.width; >> + pixm->height = sd_fmt.format.height; >> + } >> + >> + input_rect.width = VIP_MAX_WIDTH; >> + input_rect.height = VIP_MAX_HEIGHT; >> + >> + pixm->width = clamp_t(u32, pixm->width, >> + VIP_MIN_WIDTH, input_rect.width); >> + pixm->height = clamp_t(u32, pixm->height, >> + VIP_MIN_HEIGHT, input_rect.height); >> + >> + pixm->num_planes = 1; >> + pixm->quantization = V4L2_QUANTIZATION_DEFAULT; >> + pixm->colorspace = V4L2_COLORSPACE_SRGB; >> + >> + pixm->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(pixm->colorspace); >> + pixm->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(pixm->colorspace); >> + >> + pixm->pixelformat = fmt->fourcc; >> + pixm->field = V4L2_FIELD_NONE; >> + >> + /* calculate plane size and image size */ >> + fcc_xysubs(fmt->fourcc, &xsubs, &ysubs); >> + >> + planes = fmt->cplanes ? fmt->cplanes : 1; >> + >> + for (i = 0; i < planes; i++) { >> + struct v4l2_plane_pix_format *plane_fmt; >> + int width, height, bpl, size; >> + >> + if (i == 0) { >> + width = pixm->width; >> + height = pixm->height; >> + } else { >> + width = pixm->width / xsubs; >> + height = pixm->height / ysubs; >> + } >> + >> + bpl = width * fmt->bpp[i] / 8; >> + size = bpl * height; >> + imagesize += size; >> + >> + if (i == 0) { >> + /* Set bpl and size for each mplane */ >> + plane_fmt = pixm->plane_fmt; >> + plane_fmt->bytesperline = bpl; >> + plane_fmt->sizeimage = size; >> + } >> + } >> + >> + pixm->plane_fmt[0].sizeimage = imagesize; >> + >> + if (!try) { >> + stream->vip_fmt_out = fmt; >> + stream->pixm = *pixm; >> + } >> +} >> + >> +void rk_vip_stream_init(struct rk_vip_device *dev) >> +{ >> + struct rk_vip_stream *stream = &dev->stream; >> + struct v4l2_pix_format_mplane pixm; >> + >> + memset(stream, 0, sizeof(*stream)); >> + memset(&pixm, 0, sizeof(pixm)); >> + stream->vipdev = dev; >> + >> + INIT_LIST_HEAD(&stream->buf_head); >> + spin_lock_init(&stream->vbq_lock); >> + stream->state = RK_VIP_STATE_READY; >> + init_waitqueue_head(&stream->wq_stopped); >> + >> + /* Set default format */ >> + pixm.pixelformat = V4L2_PIX_FMT_NV12; >> + pixm.width = RK_VIP_DEFAULT_WIDTH; >> + pixm.height = RK_VIP_DEFAULT_HEIGHT; >> + rk_vip_set_fmt(stream, &pixm, false); >> + >> + stream->crop.left = 0; >> + stream->crop.top = 0; >> + stream->crop.width = 10; >> + stream->crop.height = 10; >> +} >> + >> +static const struct v4l2_file_operations rk_vip_fops = { >> + .open = v4l2_fh_open, >> + .release = vb2_fop_release, >> + .unlocked_ioctl = video_ioctl2, >> + .poll = vb2_fop_poll, >> + .mmap = vb2_fop_mmap, >> +}; >> + >> +static int rk_vip_enum_input(struct file *file, void *priv, >> + struct v4l2_input *input) >> +{ >> + if (input->index > 0) >> + return -EINVAL; >> + >> + input->type = V4L2_INPUT_TYPE_CAMERA; >> + strlcpy(input->name, "Camera", sizeof(input->name)); >> + >> + return 0; >> +} >> + >> +static int rk_vip_try_fmt_vid_cap_mplane(struct file *file, void *fh, >> + struct v4l2_format *f) >> +{ >> + struct rk_vip_stream *stream = video_drvdata(file); >> + >> + rk_vip_set_fmt(stream, &f->fmt.pix_mp, true); >> + >> + return 0; >> +} >> + >> +static int rk_vip_enum_fmt_vid_cap(struct file *file, void *priv, >> + struct v4l2_fmtdesc *f) >> +{ >> + const struct vip_output_fmt *fmt = NULL; >> + >> + if (f->index >= ARRAY_SIZE(out_fmts)) >> + return -EINVAL; >> + >> + fmt = &out_fmts[f->index]; >> + f->pixelformat = fmt->fourcc; >> + >> + return 0; >> +} >> + >> +static int rk_vip_s_fmt_vid_cap_mplane(struct file *file, >> + void *priv, struct v4l2_format *f) >> +{ >> + struct rk_vip_stream *stream = video_drvdata(file); >> + >> + rk_vip_set_fmt(stream, &f->fmt.pix_mp, false); >> + >> + return 0; >> +} >> + >> +static int rk_vip_g_fmt_vid_cap_mplane(struct file *file, void *fh, >> + struct v4l2_format *f) >> +{ >> + struct rk_vip_stream *stream = video_drvdata(file); >> + >> + f->fmt.pix_mp = stream->pixm; >> + >> + return 0; >> +} >> + >> +static int rk_vip_querycap(struct file *file, void *priv, >> + struct v4l2_capability *cap) >> +{ >> + struct rk_vip_stream *stream = video_drvdata(file); >> + struct device *dev = stream->vipdev->dev; >> + >> + strlcpy(cap->driver, dev->driver->name, sizeof(cap->driver)); >> + strlcpy(cap->card, dev->driver->name, sizeof(cap->card)); >> + snprintf(cap->bus_info, sizeof(cap->bus_info), >> + "platform:%s", dev_name(dev)); >> + >> + return 0; >> +} >> + >> +static int rk_vip_enum_framesizes(struct file *file, void *fh, >> + struct v4l2_frmsizeenum *fsize) >> +{ >> + struct rk_vip_stream *stream = video_drvdata(file); >> + struct rk_vip_device *dev = stream->vipdev; >> + struct v4l2_subdev_frame_size_enum fse = { >> + .index = fsize->index, >> + .which = V4L2_SUBDEV_FORMAT_ACTIVE, >> + }; >> + const struct vip_output_fmt *fmt; >> + int ret; >> + >> + if (!dev->sensor.sd) >> + return -EINVAL; >> + >> + fmt = find_output_fmt(stream, fsize->pixel_format); >> + if (!fmt) >> + return -EINVAL; >> + >> + fse.code = fmt->mbus; >> + >> + ret = v4l2_subdev_call(dev->sensor.sd, pad, enum_frame_size, >> + NULL, &fse); >> + if (ret) >> + return ret; >> + >> + fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE; >> + fsize->discrete.width = fse.max_width; >> + fsize->discrete.height = fse.max_height; >> + >> + return 0; >> +} >> + >> +static int rk_vip_enum_frameintervals(struct file *file, void *fh, >> + struct v4l2_frmivalenum *fival) >> +{ >> + struct rk_vip_stream *stream = video_drvdata(file); >> + struct rk_vip_device *dev = stream->vipdev; >> + struct v4l2_subdev_frame_interval_enum fie = { >> + .index = fival->index, >> + .width = fival->width, >> + .height = fival->height, >> + .which = V4L2_SUBDEV_FORMAT_ACTIVE, >> + }; >> + const struct vip_output_fmt *fmt; >> + int ret; >> + >> + if (!dev->sensor.sd) >> + return -EINVAL; >> + >> + fmt = find_output_fmt(stream, fival->pixel_format); >> + if (!fmt) >> + return -EINVAL; >> + >> + fie.code = fmt->mbus; >> + >> + ret = v4l2_subdev_call(dev->sensor.sd, pad, enum_frame_interval, >> + NULL, &fie); >> + if (ret) >> + return ret; >> + >> + fival->type = V4L2_FRMSIZE_TYPE_DISCRETE; >> + fival->discrete = fie.interval; >> + >> + return 0; >> +} >> + >> +static int rk_vip_g_input(struct file *file, void *fh, unsigned int *i) >> +{ >> + *i = 0; >> + return 0; >> +} >> + >> +static int rk_vip_s_input(struct file *file, void *fh, unsigned int i) >> +{ > > Only one input, why do you need to support this ioctl at all? > >> + if (i) >> + return -EINVAL; >> + >> + return 0; >> +} >> + >> +static int rk_vip_g_parm(struct file *file, void *priv, >> + struct v4l2_streamparm *p) >> +{ >> + struct rk_vip_stream *stream = video_drvdata(file); >> + struct rk_vip_device *dev = stream->vipdev; >> + >> + return v4l2_g_parm_cap(video_devdata(file), dev->sensor.sd, p); >> +} >> + >> +static int rk_vip_s_parm(struct file *file, void *priv, >> + struct v4l2_streamparm *p) >> +{ >> + struct rk_vip_stream *stream = video_drvdata(file); >> + struct rk_vip_device *dev = stream->vipdev; >> + >> + return v4l2_s_parm_cap(video_devdata(file), dev->sensor.sd, p); >> +} >> + >> +static const struct v4l2_ioctl_ops rk_vip_v4l2_ioctl_ops = { >> + .vidioc_reqbufs = vb2_ioctl_reqbufs, >> + .vidioc_querybuf = vb2_ioctl_querybuf, >> + .vidioc_create_bufs = vb2_ioctl_create_bufs, >> + .vidioc_qbuf = vb2_ioctl_qbuf, >> + .vidioc_expbuf = vb2_ioctl_expbuf, >> + .vidioc_dqbuf = vb2_ioctl_dqbuf, >> + .vidioc_prepare_buf = vb2_ioctl_prepare_buf, >> + .vidioc_streamon = vb2_ioctl_streamon, >> + .vidioc_streamoff = vb2_ioctl_streamoff, >> + >> + .vidioc_enum_fmt_vid_cap = rk_vip_enum_fmt_vid_cap, >> + .vidioc_try_fmt_vid_cap_mplane = rk_vip_try_fmt_vid_cap_mplane, >> + .vidioc_s_fmt_vid_cap_mplane = rk_vip_s_fmt_vid_cap_mplane, >> + .vidioc_g_fmt_vid_cap_mplane = rk_vip_g_fmt_vid_cap_mplane, >> + .vidioc_querycap = rk_vip_querycap, >> + .vidioc_enum_framesizes = rk_vip_enum_framesizes, >> + .vidioc_enum_frameintervals = rk_vip_enum_frameintervals, >> + >> + .vidioc_enum_input = rk_vip_enum_input, >> + .vidioc_g_input = rk_vip_g_input, >> + .vidioc_s_input = rk_vip_s_input, >> + >> + .vidioc_g_parm = rk_vip_g_parm, >> + .vidioc_s_parm = rk_vip_s_parm, >> +}; >> + >> +void rk_vip_unregister_stream_vdev(struct rk_vip_device *dev) > > +{ >> + struct rk_vip_stream *stream = &dev->stream; >> + >> + media_entity_cleanup(&stream->vdev.entity); >> + video_unregister_device(&stream->vdev); >> +} >> + >> +int rk_vip_register_stream_vdev(struct rk_vip_device *dev) >> +{ >> + struct rk_vip_stream *stream = &dev->stream; >> + struct v4l2_device *v4l2_dev = &dev->v4l2_dev; >> + struct video_device *vdev = &stream->vdev; >> + int ret; >> + >> + strlcpy(vdev->name, VIP_VIDEODEVICE_NAME, sizeof(vdev->name)); >> + mutex_init(&stream->vlock); >> + >> + vdev->ioctl_ops = &rk_vip_v4l2_ioctl_ops; >> + vdev->release = video_device_release_empty; >> + vdev->fops = &rk_vip_fops; >> + vdev->minor = -1; >> + vdev->v4l2_dev = v4l2_dev; >> + vdev->lock = &stream->vlock; >> + vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE_MPLANE | >> + V4L2_CAP_STREAMING; >> + video_set_drvdata(vdev, stream); >> + vdev->vfl_dir = VFL_DIR_RX; >> + stream->pad.flags = MEDIA_PAD_FL_SINK; >> + >> + rk_vip_init_vb2_queue(&stream->buf_queue, stream, >> + V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE | >> + V4L2_BUF_TYPE_VIDEO_CAPTURE); >> + vdev->queue = &stream->buf_queue; >> + strscpy(vdev->name, KBUILD_MODNAME, sizeof(vdev->name)); >> + >> + ret = video_register_device(vdev, VFL_TYPE_SUBDEV, -1); I never saw a device that associate with a queue and register itself as a subdevice. Does the driver only expose /dev/v4l-subdev* nodes? >> + if (ret < 0) { >> + v4l2_err(v4l2_dev, >> + "video_register_device failed with error %d\n", ret); >> + return ret; >> + } >> + >> + ret = media_entity_pads_init(&vdev->entity, 1, &stream->pad); >> + if (ret < 0) >> + goto unreg; >> + >> + return 0; >> +unreg: >> + video_unregister_device(vdev); >> + return ret; >> +} >> + >> +static void rk_vip_vb_done(struct rk_vip_stream *stream, >> + struct vb2_v4l2_buffer *vb_done) >> +{ >> + vb2_set_plane_payload(&vb_done->vb2_buf, 0, >> + stream->pixm.plane_fmt[0].sizeimage); >> + vb_done->vb2_buf.timestamp = ktime_get_ns(); > > vb_done->vb2_buf.sequence = stream->frame_idx; ? > >> + vb2_buffer_done(&vb_done->vb2_buf, VB2_BUF_STATE_DONE); >> +} >> + >> +static void rk_vip_reset_stream(struct rk_vip_device *vip_dev) >> +{ >> + void __iomem *base = vip_dev->base_addr; >> + u32 ctl = read_vip_reg(base, VIP_CTRL); >> + >> + write_vip_reg(base, VIP_CTRL, ctl & (~VIP_CTRL_ENABLE_CAPTURE)); >> + write_vip_reg(base, VIP_CTRL, ctl | VIP_CTRL_ENABLE_CAPTURE); >> +} >> + >> +void rk_vip_irq_pingpong(struct rk_vip_device *vip_dev) >> +{ >> + struct rk_vip_stream *stream = &vip_dev->stream; >> + void __iomem *base = vip_dev->base_addr; >> + unsigned int intstat; >> + >> + u32 lastline, lastpix, ctl, vip_frmst; >> + >> + intstat = read_vip_reg(base, VIP_INTSTAT); >> + vip_frmst = read_vip_reg(base, VIP_FRAME_STATUS); >> + lastline = VIP_FETCH_Y_LAST_LINE(read_vip_reg(base, VIP_LAST_LINE)); >> + lastpix = read_vip_reg(base, VIP_LAST_PIX); >> + ctl = read_vip_reg(base, VIP_CTRL); >> + >> + /* There are two irqs enabled: >> + * - PST_INF_FRAME_END: vip FIFO is ready, >> + * this is prior to FRAME_END >> + * - FRAME_END: vip has saved frame to memory, >> + * a frame ready >> + */ >> + >> + if ((intstat & VIP_INTSTAT_PST_INF_FRAME_END)) { >> + write_vip_reg(base, VIP_INTSTAT, >> + VIP_INTSTAT_PST_INF_FRAME_END_CLR); >> + >> + if (stream->stopping) >> + /* To stop VIP ASAP, before FRAME_END irq */ >> + write_vip_reg(base, VIP_CTRL, >> + ctl & (~VIP_CTRL_ENABLE_CAPTURE)); >> + } >> + >> + if ((intstat & VIP_INTSTAT_PRE_INF_FRAME_END)) >> + write_vip_reg(base, VIP_INTSTAT, VIP_INTSTAT_PRE_INF_FRAME_END); >> + >> + if (intstat & (VIP_INTSTAT_LINE_ERR | VIP_INTSTAT_PIX_ERR)) { >> + write_vip_reg(base, VIP_INTSTAT, VIP_INTSTAT_LINE_ERR | >> + VIP_INTSTAT_PIX_ERR); >> + rk_vip_reset_stream(vip_dev); >> + } >> + >> + if ((intstat & VIP_INTSTAT_FRAME_END)) { >> + struct vb2_v4l2_buffer *vb_done = NULL; >> + >> + write_vip_reg(base, VIP_INTSTAT, VIP_INTSTAT_FRAME_END_CLR | >> + VIP_INTSTAT_LINE_END_CLR); >> + >> + if (stream->stopping) { >> + rk_vip_stream_stop(stream); >> + stream->stopping = false; >> + wake_up(&stream->wq_stopped); >> + return; >> + } >> + >> + if (lastline != stream->pixm.height) { >> + v4l2_err(&vip_dev->v4l2_dev, >> + "Bad frame, irq:0x%x frmst:0x%x size:%dx%d\n", >> + intstat, vip_frmst, lastline, lastpix); >> + >> + rk_vip_reset_stream(vip_dev); >> + } >> + >> + if (vip_frmst & VIP_INTSTAT_F0_READY) >> + stream->frame_phase = 0; >> + else if (vip_frmst & VIP_INTSTAT_F1_READY) >> + stream->frame_phase = 1; >> + else >> + return; >> + >> + if (stream->buffs[stream->frame_phase]) >> + vb_done = &stream->buffs[stream->frame_phase]->vb; >> + >> + rk_vip_assign_new_buffer_pingpong(stream); >> + >> + if (vb_done) >> + rk_vip_vb_done(stream, vb_done); >> + >> + stream->frame_idx++; > > This counter seems unused, but maybe it should be used > for the capture buffer sequence, as mentioned above. > >> + } >> +} >> diff --git a/drivers/media/platform/rockchip/vip/dev.c b/drivers/media/platform/rockchip/vip/dev.c >> new file mode 100644 >> index 000000000000..d9b64f088c37 >> --- /dev/null >> +++ b/drivers/media/platform/rockchip/vip/dev.c >> @@ -0,0 +1,408 @@ >> +// SPDX-License-Identifier: GPL-2.0 >> +/* >> + * Rockchip VIP Camera Interface Driver >> + * >> + * Copyright (C) 2018 Rockchip Electronics Co., Ltd. >> + * Copyright (C) 2020 Maxime Chevallier >> + */ >> + >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> + >> +#include "dev.h" >> +#include "regs.h" >> + >> +#define RK_VIP_VERNO_LEN 10 >> + >> +struct vip_match_data { >> + int chip_id; >> + const char * const *clks; >> + const char * const *rsts; >> + int clks_num; >> + int rsts_num; >> +}; >> + >> +static int rk_vip_create_links(struct rk_vip_device *dev) >> +{ >> + struct v4l2_subdev *sd = dev->sensor.sd; >> + int ret; >> + >> + ret = media_entity_get_fwnode_pad(&sd->entity, sd->fwnode, >> + MEDIA_PAD_FL_SOURCE); >> + if (ret) >> + return ret; >> + >> + ret = media_create_pad_link(&sd->entity, 0, >> + &dev->stream.vdev.entity, 0, >> + MEDIA_LNK_FL_ENABLED); >> + if (ret) { >> + dev_err(dev->dev, "failed to create link"); >> + return ret; >> + } >> + >> + return 0; >> +} >> + >> +static int subdev_notifier_complete(struct v4l2_async_notifier *notifier) >> +{ >> + struct rk_vip_device *dev; >> + int ret; >> + >> + dev = container_of(notifier, struct rk_vip_device, notifier); >> + >> + mutex_lock(&dev->media_dev.graph_mutex); >> + >> + ret = rk_vip_create_links(dev); >> + if (ret < 0) >> + goto unlock; >> + >> + ret = v4l2_device_register_subdev_nodes(&dev->v4l2_dev); >> + if (ret < 0) >> + goto unlock; >> + >> +unlock: >> + mutex_unlock(&dev->media_dev.graph_mutex); >> + return ret; >> +} >> + >> +static int subdev_notifier_bound(struct v4l2_async_notifier *notifier, >> + struct v4l2_subdev *subdev, >> + struct v4l2_async_subdev *asd) >> +{ >> + struct rk_vip_device *vip_dev = container_of(notifier, >> + struct rk_vip_device, notifier); >> + >> + int pad; >> + >> + vip_dev->sensor.sd = subdev; >> + pad = media_entity_get_fwnode_pad(&subdev->entity, subdev->fwnode, >> + MEDIA_PAD_FL_SOURCE); >> + if (pad < 0) >> + return pad; >> + >> + vip_dev->sensor.pad = pad; >> + >> + return 0; >> +} >> + >> +static const struct v4l2_async_notifier_operations subdev_notifier_ops = { >> + .bound = subdev_notifier_bound, >> + .complete = subdev_notifier_complete, >> +}; >> + >> +static int vip_subdev_notifier(struct rk_vip_device *vip_dev) >> +{ >> + struct v4l2_async_notifier *ntf = &vip_dev->notifier; >> + struct device *dev = vip_dev->dev; >> + struct v4l2_fwnode_endpoint vep = { >> + .bus_type = V4L2_MBUS_PARALLEL, >> + }; >> + struct fwnode_handle *ep; >> + int ret; >> + >> + v4l2_async_notifier_init(ntf); >> + >> + ep = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), 0, 0, >> + FWNODE_GRAPH_ENDPOINT_NEXT); >> + if (!ep) >> + return -EINVAL; >> + >> + ret = v4l2_fwnode_endpoint_parse(ep, &vep); >> + if (ret) >> + return ret; >> + >> + ret = v4l2_async_notifier_add_fwnode_remote_subdev(ntf, ep, >> + &vip_dev->asd); >> + if (ret) >> + return ret; >> + >> + ntf->ops = &subdev_notifier_ops; >> + >> + fwnode_handle_put(ep); >> + >> + ret = v4l2_async_notifier_register(&vip_dev->v4l2_dev, ntf); >> + return ret; >> +} >> + >> +static int rk_vip_register_platform_subdevs(struct rk_vip_device *vip_dev) >> +{ >> + int ret; >> + >> + ret = rk_vip_register_stream_vdev(vip_dev); >> + if (ret < 0) >> + return ret; >> + >> + ret = vip_subdev_notifier(vip_dev); >> + if (ret < 0) { >> + v4l2_err(&vip_dev->v4l2_dev, >> + "Failed to register subdev notifier(%d)\n", ret); >> + rk_vip_unregister_stream_vdev(vip_dev); >> + } >> + >> + return 0; >> +} >> + >> +static const char * const px30_vip_clks[] = { >> + "aclk_vip", >> + "hclk_vip", >> + "pclk_vip", >> + "vip_out", > > These clock names don't seem to match with the devicetree. > I wonder how have you been testing this, to be honest ^_^ ? > > Isn't probe failing with mismatching clock names? > >> +}; >> + >> +static const char * const px30_vip_rsts[] = { >> + "rst_vip_a", >> + "rst_vip_h", >> + "rst_vip_pclkin", >> +}; >> + >> +static const struct vip_match_data px30_vip_match_data = { >> + .chip_id = CHIP_PX30_VIP, >> + .clks = px30_vip_clks, >> + .clks_num = ARRAY_SIZE(px30_vip_clks), >> + .rsts = px30_vip_rsts, >> + .rsts_num = ARRAY_SIZE(px30_vip_rsts), >> +}; >> + >> +static const struct of_device_id rk_vip_plat_of_match[] = { >> + { >> + .compatible = "rockchip,px30-vip", >> + .data = &px30_vip_match_data, >> + }, >> + {}, >> +}; >> + >> +static irqreturn_t rk_vip_irq_handler(int irq, void *ctx) >> +{ >> + struct device *dev = ctx; >> + struct rk_vip_device *vip_dev = dev_get_drvdata(dev); >> + >> + rk_vip_irq_pingpong(vip_dev); >> + > > Why not just making rk_vip_irq_pingpong the interrupt handler? > >> + return IRQ_HANDLED; >> +} >> + >> +static void rk_vip_disable_sys_clk(struct rk_vip_device *vip_dev) >> +{ >> + int i; >> + >> + for (i = vip_dev->clk_size - 1; i >= 0; i--) >> + clk_disable_unprepare(vip_dev->clks[i]); > > Please use clk_bulk_disable_unprepare. >> +} >> + >> +static int rk_vip_enable_sys_clk(struct rk_vip_device *vip_dev) >> +{ >> + int i, ret = -EINVAL; >> + >> + for (i = 0; i < vip_dev->clk_size; i++) { >> + ret = clk_prepare_enable(vip_dev->clks[i]); >> + > > Please use clk_bulk_prepare_enable. > >> + if (ret < 0) >> + goto err; >> + } >> + >> + return 0; >> + >> +err: >> + for (--i; i >= 0; --i) >> + clk_disable_unprepare(vip_dev->clks[i]); >> + >> + return ret; >> +} >> + >> +void rk_vip_soft_reset(struct rk_vip_device *vip_dev) >> +{ >> + unsigned int i; >> + >> + for (i = 0; i < ARRAY_SIZE(vip_dev->vip_rst); i++) >> + if (vip_dev->vip_rst[i]) >> + reset_control_assert(vip_dev->vip_rst[i]); >> + udelay(5); >> + for (i = 0; i < ARRAY_SIZE(vip_dev->vip_rst); i++) >> + if (vip_dev->vip_rst[i]) >> + reset_control_deassert(vip_dev->vip_rst[i]); >> +} >> + >> +static int rk_vip_plat_probe(struct platform_device *pdev) >> +{ >> + const struct of_device_id *match; >> + struct device_node *node = pdev->dev.of_node; >> + struct device *dev = &pdev->dev; >> + struct v4l2_device *v4l2_dev; >> + struct rk_vip_device *vip_dev; >> + const struct vip_match_data *data; >> + struct resource *res; >> + int i, ret, irq; >> + >> + match = of_match_node(rk_vip_plat_of_match, node); >> + if (IS_ERR(match)) >> + return PTR_ERR(match); >> + >> + vip_dev = devm_kzalloc(dev, sizeof(*vip_dev), GFP_KERNEL); >> + if (!vip_dev) >> + return -ENOMEM; >> + >> + dev_set_drvdata(dev, vip_dev); >> + vip_dev->dev = dev; >> + >> + irq = platform_get_irq(pdev, 0); >> + if (irq < 0) >> + return irq; >> + >> + ret = devm_request_irq(dev, irq, rk_vip_irq_handler, IRQF_SHARED, >> + dev_driver_string(dev), dev); >> + if (ret < 0) { >> + dev_err(dev, "request irq failed: %d\n", ret); >> + return ret; >> + } >> + >> + vip_dev->irq = irq; >> + data = match->data; >> + vip_dev->chip_id = data->chip_id; >> + >> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); >> + vip_dev->base_addr = devm_ioremap_resource(dev, res); >> + >> + if (IS_ERR(vip_dev->base_addr)) >> + return PTR_ERR(vip_dev->base_addr); >> + >> + if (data->clks_num > RK_VIP_MAX_BUS_CLK || >> + data->rsts_num > RK_VIP_MAX_RESET) { >> + dev_err(dev, "out of range: clks(%d %d) rsts(%d %d)\n", >> + data->clks_num, RK_VIP_MAX_BUS_CLK, >> + data->rsts_num, RK_VIP_MAX_RESET); >> + return -EINVAL; >> + } >> + >> + for (i = 0; i < data->clks_num; i++) { >> + struct clk *clk = devm_clk_get(dev, data->clks[i]); >> + >> + if (IS_ERR(clk)) { >> + dev_err(dev, "failed to get %s\n", data->clks[i]); >> + return PTR_ERR(clk); >> + } >> + >> + vip_dev->clks[i] = clk; >> + } >> + >> + vip_dev->clk_size = data->clks_num; >> + >> + for (i = 0; i < data->rsts_num; i++) { >> + struct reset_control *rst = >> + devm_reset_control_get(dev, data->rsts[i]); >> + if (IS_ERR(rst)) { >> + dev_err(dev, "failed to get %s\n", data->rsts[i]); >> + return PTR_ERR(rst); >> + } >> + vip_dev->vip_rst[i] = rst; >> + } >> + >> + /* Initialize the stream */ >> + rk_vip_stream_init(vip_dev); >> + >> + strlcpy(vip_dev->media_dev.model, "rk_vip", >> + sizeof(vip_dev->media_dev.model)); >> + vip_dev->media_dev.dev = &pdev->dev; >> + v4l2_dev = &vip_dev->v4l2_dev; >> + v4l2_dev->mdev = &vip_dev->media_dev; >> + strlcpy(v4l2_dev->name, "rk_vip", sizeof(v4l2_dev->name)); >> + v4l2_ctrl_handler_init(&vip_dev->ctrl_handler, 8); >> + v4l2_dev->ctrl_handler = &vip_dev->ctrl_handler; >> + >> + ret = v4l2_device_register(vip_dev->dev, &vip_dev->v4l2_dev); >> + if (ret < 0) >> + return ret; >> + >> + media_device_init(&vip_dev->media_dev); >> + >> + ret = media_device_register(&vip_dev->media_dev); >> + if (ret < 0) { >> + v4l2_err(v4l2_dev, "Failed to register media device: %d\n", >> + ret); >> + goto err_unreg_v4l2_dev; >> + } >> + >> + /* create & register platefom subdev (from of_node) */ >> + ret = rk_vip_register_platform_subdevs(vip_dev); >> + if (ret < 0) >> + goto err_unreg_media_dev; >> + >> + ret = of_reserved_mem_device_init(dev); just curious, why is that reserved memory for? Thanks, Dafna >> + if (ret) >> + v4l2_warn(v4l2_dev, "No reserved memory region assign to VIP\n"); >> + > > How about > > ret = of_reserved_mem_device_init(dev); > if (ret && ret != -ENODEV) > return ret; > > instead? > > Also, it seems you are missing a of_reserved_mem_device_release > on the error paths and plat_remove. > > Thanks, > Ezequiel > >> + pm_runtime_enable(&pdev->dev); >> + >> + return 0; >> + >> +err_unreg_media_dev: >> + media_device_unregister(&vip_dev->media_dev); >> +err_unreg_v4l2_dev: >> + v4l2_device_unregister(&vip_dev->v4l2_dev); >> + return ret; >> +} >> + >> +static int rk_vip_plat_remove(struct platform_device *pdev) >> +{ >> + struct rk_vip_device *vip_dev = platform_get_drvdata(pdev); >> + >> + pm_runtime_disable(&pdev->dev); >> + >> + media_device_unregister(&vip_dev->media_dev); >> + v4l2_device_unregister(&vip_dev->v4l2_dev); >> + rk_vip_unregister_stream_vdev(vip_dev); >> + >> + return 0; >> +} >> + >> +static int __maybe_unused rk_vip_runtime_suspend(struct device *dev) >> +{ >> + struct rk_vip_device *vip_dev = dev_get_drvdata(dev); >> + >> + rk_vip_disable_sys_clk(vip_dev); >> + >> + return pinctrl_pm_select_sleep_state(dev); >> +} >> + >> +static int __maybe_unused rk_vip_runtime_resume(struct device *dev) >> +{ >> + struct rk_vip_device *vip_dev = dev_get_drvdata(dev); >> + int ret; >> + >> + ret = pinctrl_pm_select_default_state(dev); >> + if (ret < 0) >> + return ret; >> + rk_vip_enable_sys_clk(vip_dev); >> + >> + return 0; >> +} >> + >> +static const struct dev_pm_ops rk_vip_plat_pm_ops = { >> + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, >> + pm_runtime_force_resume) >> + SET_RUNTIME_PM_OPS(rk_vip_runtime_suspend, rk_vip_runtime_resume, NULL) >> +}; >> + >> +static struct platform_driver rk_vip_plat_drv = { >> + .driver = { >> + .name = VIP_DRIVER_NAME, >> + .of_match_table = of_match_ptr(rk_vip_plat_of_match), >> + .pm = &rk_vip_plat_pm_ops, >> + }, >> + .probe = rk_vip_plat_probe, >> + .remove = rk_vip_plat_remove, >> +}; >> + >> +module_platform_driver(rk_vip_plat_drv); >> +MODULE_AUTHOR("Rockchip Camera/ISP team"); >> +MODULE_DESCRIPTION("Rockchip VIP platform driver"); >> +MODULE_LICENSE("GPL"); >> diff --git a/drivers/media/platform/rockchip/vip/dev.h b/drivers/media/platform/rockchip/vip/dev.h >> new file mode 100644 >> index 000000000000..8d803885459d >> --- /dev/null >> +++ b/drivers/media/platform/rockchip/vip/dev.h >> @@ -0,0 +1,206 @@ >> +/* SPDX-License-Identifier: GPL-2.0 */ >> +/* >> + * Rockchip VIP Driver >> + * >> + * Copyright (C) 2018 Rockchip Electronics Co., Ltd. >> + */ >> + >> +#ifndef _RK_VIP_DEV_H >> +#define _RK_VIP_DEV_H >> + >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> + >> +#define VIP_DRIVER_NAME "rk_vip" >> +#define VIP_VIDEODEVICE_NAME "stream_vip" >> + >> +#define RK_VIP_MAX_BUS_CLK 8 >> +#define RK_VIP_MAX_SENSOR 2 >> +#define RK_VIP_MAX_RESET 5 >> +#define RK_VIP_MAX_CSI_CHANNEL 4 >> + >> +#define RK_VIP_DEFAULT_WIDTH 640 >> +#define RK_VIP_DEFAULT_HEIGHT 480 >> + >> +#define write_vip_reg(base, addr, val) writel(val, (addr) + (base)) >> +#define read_vip_reg(base, addr) readl((addr) + (base)) >> + >> +#define write_csihost_reg(base, addr, val) writel(val, (addr) + (base)) >> +#define read_csihost_reg(base, addr) readl((addr) + (base)) >> + >> +enum rk_vip_state { >> + RK_VIP_STATE_DISABLED, >> + RK_VIP_STATE_READY, >> + RK_VIP_STATE_STREAMING >> +}; >> + >> +enum rk_vip_chip_id { >> + CHIP_PX30_VIP, >> + CHIP_RK1808_VIP, >> + CHIP_RK3128_VIP, >> + CHIP_RK3288_VIP >> +}; >> + >> +enum host_type_t { >> + RK_CSI_RXHOST, >> + RK_DSI_RXHOST >> +}; >> + >> +struct rk_vip_buffer { >> + struct vb2_v4l2_buffer vb; >> + struct list_head queue; >> + union { >> + u32 buff_addr[VIDEO_MAX_PLANES]; >> + void *vaddr[VIDEO_MAX_PLANES]; >> + }; >> +}; >> + >> +struct rk_vip_scratch_buffer { >> + void *vaddr; >> + dma_addr_t dma_addr; >> + u32 size; >> +}; >> + >> +extern int rk_vip_debug; >> + >> +static inline struct rk_vip_buffer *to_rk_vip_buffer(struct vb2_v4l2_buffer *vb) >> +{ >> + return container_of(vb, struct rk_vip_buffer, vb); >> +} >> + >> +/* >> + * struct rk_vip_sensor_info - Sensor infomations >> + * @mbus: media bus configuration >> + */ >> +struct rk_vip_sensor_info { >> + struct v4l2_subdev *sd; >> + int pad; >> + struct v4l2_mbus_config mbus; >> + int lanes; >> +}; >> + >> +/* >> + * struct vip_output_fmt - The output format >> + * >> + * @fourcc: pixel format in fourcc >> + * @cplanes: number of colour planes >> + * @fmt_val: the fmt val corresponding to VIP_FOR register >> + * @bpp: bits per pixel for each cplanes >> + */ >> +struct vip_output_fmt { >> + u32 fourcc; >> + u32 mbus; >> + u8 cplanes; >> + u32 fmt_val; >> + u8 bpp[VIDEO_MAX_PLANES]; >> +}; >> + >> +enum vip_fmt_type { >> + VIP_FMT_TYPE_YUV = 0, >> + VIP_FMT_TYPE_RAW, >> +}; >> + >> +/* >> + * struct vip_input_fmt - The input mbus format from sensor >> + * >> + * @mbus_code: mbus format >> + * @dvp_fmt_val: the fmt val corresponding to VIP_FOR register >> + * @csi_fmt_val: the fmt val corresponding to VIP_CSI_ID_CTRL >> + * @field: the field type of the input from sensor >> + */ >> +struct vip_input_fmt { >> + u32 mbus_code; >> + u32 dvp_fmt_val; >> + u32 csi_fmt_val; >> + enum vip_fmt_type fmt_type; >> + enum v4l2_field field; >> +}; >> + >> +/* >> + * struct rk_vip_stream - Stream states TODO >> + * >> + * @vbq_lock: lock to protect buf_queue >> + * @buf_queue: queued buffer list >> + * @scratch_buf: scratch space to store dropped data >> + * >> + * rk_vip use shadowsock registers, so it need two buffer at a time >> + * @curr_buf: the buffer used for current frame >> + * @next_buf: the buffer used for next frame >> + */ >> +struct rk_vip_stream { >> + struct rk_vip_device *vipdev; >> + enum rk_vip_state state; >> + bool stopping; >> + wait_queue_head_t wq_stopped; >> + int frame_idx; >> + int frame_phase; >> + >> + /* lock between irq and buf_queue */ >> + spinlock_t vbq_lock; >> + struct vb2_queue buf_queue; >> + struct list_head buf_head; >> + struct rk_vip_scratch_buffer scratch_buf; >> + struct rk_vip_buffer *buffs[2]; >> + >> + /* vfd lock */ >> + struct mutex vlock; >> + struct video_device vdev; >> + /* TODO: pad for dvp and mipi separately? */ >> + struct media_pad pad; >> + >> + const struct vip_output_fmt *vip_fmt_out; >> + const struct vip_input_fmt *vip_fmt_in; >> + struct v4l2_pix_format_mplane pixm; >> + struct v4l2_rect crop; >> + int crop_enable; >> +}; >> + >> +static inline struct rk_vip_stream *to_rk_vip_stream(struct video_device *vdev) >> +{ >> + return container_of(vdev, struct rk_vip_stream, vdev); >> +} >> + >> +/* >> + * struct rk_vip_device - ISP platform device >> + * @base_addr: base register address >> + * @active_sensor: sensor in-use, set when streaming on >> + * @stream: capture video device >> + */ >> +struct rk_vip_device { >> + struct list_head list; >> + struct device *dev; >> + int irq; >> + void __iomem *base_addr; >> + void __iomem *csi_base; >> + struct clk *clks[RK_VIP_MAX_BUS_CLK]; >> + int clk_size; >> + struct vb2_alloc_ctx *alloc_ctx; >> + bool iommu_en; >> + struct iommu_domain *domain; >> + struct reset_control *vip_rst[RK_VIP_MAX_RESET]; >> + >> + struct v4l2_device v4l2_dev; >> + struct media_device media_dev; >> + struct v4l2_ctrl_handler ctrl_handler; >> + struct v4l2_async_notifier notifier; >> + struct v4l2_async_subdev asd; >> + struct rk_vip_sensor_info sensor; >> + >> + struct rk_vip_stream stream; >> + >> + int chip_id; >> +}; >> + >> +void rk_vip_unregister_stream_vdev(struct rk_vip_device *dev); >> +int rk_vip_register_stream_vdev(struct rk_vip_device *dev); >> +void rk_vip_stream_init(struct rk_vip_device *dev); >> + >> +void rk_vip_irq_oneframe(struct rk_vip_device *vip_dev); >> +void rk_vip_irq_pingpong(struct rk_vip_device *vip_dev); >> +void rk_vip_soft_reset(struct rk_vip_device *vip_dev); >> + >> +#endif >> diff --git a/drivers/media/platform/rockchip/vip/regs.h b/drivers/media/platform/rockchip/vip/regs.h >> new file mode 100644 >> index 000000000000..cfe287ce5bf6 >> --- /dev/null >> +++ b/drivers/media/platform/rockchip/vip/regs.h >> @@ -0,0 +1,260 @@ >> +/* SPDX-License-Identifier: GPL-2.0 */ >> +/* >> + * Rockchip VIP Driver >> + * >> + * Copyright (C) 2018 Rockchip Electronics Co., Ltd. >> + */ >> + >> +#ifndef _RK_VIP_REGS_H >> +#define _RK_VIP_REGS_H >> + >> +/* VIP Reg Offset */ >> +#define VIP_CTRL 0x00 >> +#define VIP_INTEN 0x04 >> +#define VIP_INTSTAT 0x08 >> +#define VIP_FOR 0x0c >> +#define VIP_LINE_NUM_ADDR 0x10 >> +#define VIP_FRM0_ADDR_Y 0x14 >> +#define VIP_FRM0_ADDR_UV 0x18 >> +#define VIP_FRM1_ADDR_Y 0x1c >> +#define VIP_FRM1_ADDR_UV 0x20 >> +#define VIP_VIR_LINE_WIDTH 0x24 >> +#define VIP_SET_SIZE 0x28 >> +#define VIP_SCM_ADDR_Y 0x2c >> +#define VIP_SCM_ADDR_U 0x30 >> +#define VIP_SCM_ADDR_V 0x34 >> +#define VIP_WB_UP_FILTER 0x38 >> +#define VIP_WB_LOW_FILTER 0x3c >> +#define VIP_WBC_CNT 0x40 >> +#define VIP_CROP 0x44 >> +#define VIP_SCL_CTRL 0x48 >> +#define VIP_SCL_DST 0x4c >> +#define VIP_SCL_FCT 0x50 >> +#define VIP_SCL_VALID_NUM 0x54 >> +#define VIP_LINE_LOOP_CTR 0x58 >> +#define VIP_FRAME_STATUS 0x60 >> +#define VIP_CUR_DST 0x64 >> +#define VIP_LAST_LINE 0x68 >> +#define VIP_LAST_PIX 0x6c >> + >> +/* RK1808 VIP CSI Registers Offset */ >> +#define VIP_CSI_ID0_CTRL0 0x80 >> +#define VIP_CSI_ID0_CTRL1 0x84 >> +#define VIP_CSI_ID1_CTRL0 0x88 >> +#define VIP_CSI_ID1_CTRL1 0x8c >> +#define VIP_CSI_ID2_CTRL0 0x90 >> +#define VIP_CSI_ID2_CTRL1 0x94 >> +#define VIP_CSI_ID3_CTRL0 0x98 >> +#define VIP_CSI_ID3_CTRL1 0x9c >> +#define VIP_CSI_WATER_LINE 0xa0 >> +#define VIP_CSI_FRM0_ADDR_Y_ID0 0xa4 >> +#define VIP_CSI_FRM1_ADDR_Y_ID0 0xa8 >> +#define VIP_CSI_FRM0_ADDR_UV_ID0 0xac >> +#define VIP_CSI_FRM1_ADDR_UV_ID0 0xb0 >> +#define VIP_CSI_FRM0_VLW_Y_ID0 0xb4 >> +#define VIP_CSI_FRM1_VLW_Y_ID0 0xb8 >> +#define VIP_CSI_FRM0_VLW_UV_ID0 0xbc >> +#define VIP_CSI_FRM1_VLW_UV_ID0 0xc0 >> +#define VIP_CSI_FRM0_ADDR_Y_ID1 0xc4 >> +#define VIP_CSI_FRM1_ADDR_Y_ID1 0xc8 >> +#define VIP_CSI_FRM0_ADDR_UV_ID1 0xcc >> +#define VIP_CSI_FRM1_ADDR_UV_ID1 0xd0 >> +#define VIP_CSI_FRM0_VLW_Y_ID1 0xd4 >> +#define VIP_CSI_FRM1_VLW_Y_ID1 0xd8 >> +#define VIP_CSI_FRM0_VLW_UV_ID1 0xdc >> +#define VIP_CSI_FRM1_VLW_UV_ID1 0xe0 >> +#define VIP_CSI_FRM0_ADDR_Y_ID2 0xe4 >> +#define VIP_CSI_FRM1_ADDR_Y_ID2 0xe8 >> +#define VIP_CSI_FRM0_ADDR_UV_ID2 0xec >> +#define VIP_CSI_FRM1_ADDR_UV_ID2 0xf0 >> +#define VIP_CSI_FRM0_VLW_Y_ID2 0xf4 >> +#define VIP_CSI_FRM1_VLW_Y_ID2 0xf8 >> +#define VIP_CSI_FRM0_VLW_UV_ID2 0xfc >> +#define VIP_CSI_FRM1_VLW_UV_ID2 0x100 >> +#define VIP_CSI_FRM0_ADDR_Y_ID3 0x104 >> +#define VIP_CSI_FRM1_ADDR_Y_ID3 0x108 >> +#define VIP_CSI_FRM0_ADDR_UV_ID3 0x10c >> +#define VIP_CSI_FRM1_ADDR_UV_ID3 0x110 >> +#define VIP_CSI_FRM0_VLW_Y_ID3 0x114 >> +#define VIP_CSI_FRM1_VLW_Y_ID3 0x118 >> +#define VIP_CSI_FRM0_VLW_UV_ID3 0x11c >> +#define VIP_CSI_FRM1_VLW_UV_ID3 0x120 >> +#define VIP_CSI_INTEN 0x124 >> +#define VIP_CSI_INTSTAT 0x128 >> +#define VIP_CSI_LINE_INT_NUM_ID0_1 0x12c >> +#define VIP_CSI_LINE_INT_NUM_ID2_3 0x130 >> +#define VIP_CSI_LINE_CNT_ID0_1 0x134 >> +#define VIP_CSI_LINE_CNT_ID2_3 0x138 >> +#define VIP_CSI_ID0_CROP_START 0x13c >> +#define VIP_CSI_ID1_CROP_START 0x140 >> +#define VIP_CSI_ID2_CROP_START 0x144 >> +#define VIP_CSI_ID3_CROP_START 0x148 >> + >> +/* The key register bit description */ >> + >> +/* VIP_CTRL Reg */ >> +#define VIP_CTRL_DISABLE_CAPTURE (0x0 << 0) >> +#define VIP_CTRL_ENABLE_CAPTURE (0x1 << 0) >> +#define VIP_CTRL_MODE_ONEFRAME (0x0 << 1) >> +#define VIP_CTRL_MODE_PINGPONG (0x1 << 1) >> +#define VIP_CTRL_MODE_LINELOOP (0x2 << 1) >> +#define VIP_CTRL_AXI_BURST_16 (0xF << 12) >> + >> +/* VIP_INTEN */ >> +#define VIP_INTEN_DISABLE (0x0 << 0) >> +#define VIP_INTEN_FRAME_END_EN (0x1 << 0) >> +#define VIP_INTEN_LINE_ERR_EN (0x1 << 2) >> +#define VIP_INTEN_BUS_ERR_EN (0x1 << 6) >> +#define VIP_INTEN_SCL_ERR_EN (0x1 << 7) >> +#define VIP_INTEN_PST_INF_FRAME_END_EN (0x1 << 9) >> + >> +/* VIP INTSTAT */ >> +#define VIP_INTSTAT_CLS (0x3FF) >> +#define VIP_INTSTAT_FRAME_END (0x01 << 0) >> +#define VIP_INTSTAT_LINE_END (0x01 << 1) >> +#define VIP_INTSTAT_LINE_ERR (0x01 << 2) >> +#define VIP_INTSTAT_PIX_ERR (0x01 << 3) >> +#define VIP_INTSTAT_PRE_INF_FRAME_END (0x01 << 8) >> +#define VIP_INTSTAT_PST_INF_FRAME_END (0x01 << 9) >> +#define VIP_INTSTAT_FRAME_END_CLR (0x01 << 0) >> +#define VIP_INTSTAT_LINE_END_CLR (0x01 << 1) >> +#define VIP_INTSTAT_LINE_ERR_CLR (0x01 << 2) >> +#define VIP_INTSTAT_PST_INF_FRAME_END_CLR (0x01 << 9) >> +#define VIP_INTSTAT_ERR (0xFC) >> + >> +/* VIP_FRAME STATUS */ >> +#define VIP_FRAME_STAT_CLS 0x00 >> +#define VIP_FRAME_FRM0_STAT_CLS 0x20 /* write 0 to clear frame 0 */ >> + >> +/* VIP_FORMAT */ >> +#define VIP_FORMAT_VSY_HIGH_ACTIVE (0x01 << 0) >> +#define VIP_FORMAT_VSY_LOW_ACTIVE (0x00 << 0) >> +#define VIP_FORMAT_HSY_LOW_ACTIVE (0x01 << 1) >> +#define VIP_FORMAT_HSY_HIGH_ACTIVE (0x00 << 1) >> +#define VIP_FORMAT_INPUT_MODE_YUV (0x00 << 2) >> +#define VIP_FORMAT_INPUT_MODE_PAL (0x02 << 2) >> +#define VIP_FORMAT_INPUT_MODE_NTSC (0x03 << 2) >> +#define VIP_FORMAT_INPUT_MODE_BT1120 (0x07 << 2) >> +#define VIP_FORMAT_INPUT_MODE_RAW (0x04 << 2) >> +#define VIP_FORMAT_INPUT_MODE_JPEG (0x05 << 2) >> +#define VIP_FORMAT_INPUT_MODE_MIPI (0x06 << 2) >> +#define VIP_FORMAT_YUV_INPUT_ORDER_UYVY (0x00 << 5) >> +#define VIP_FORMAT_YUV_INPUT_ORDER_YVYU (0x01 << 5) >> +#define VIP_FORMAT_YUV_INPUT_ORDER_VYUY (0x10 << 5) >> +#define VIP_FORMAT_YUV_INPUT_ORDER_YUYV (0x03 << 5) >> +#define VIP_FORMAT_YUV_INPUT_422 (0x00 << 7) >> +#define VIP_FORMAT_YUV_INPUT_420 (0x01 << 7) >> +#define VIP_FORMAT_INPUT_420_ORDER_EVEN (0x00 << 8) >> +#define VIP_FORMAT_INPUT_420_ORDER_ODD (0x01 << 8) >> +#define VIP_FORMAT_CCIR_INPUT_ORDER_ODD (0x00 << 9) >> +#define VIP_FORMAT_CCIR_INPUT_ORDER_EVEN (0x01 << 9) >> +#define VIP_FORMAT_RAW_DATA_WIDTH_8 (0x00 << 11) >> +#define VIP_FORMAT_RAW_DATA_WIDTH_10 (0x01 << 11) >> +#define VIP_FORMAT_RAW_DATA_WIDTH_12 (0x02 << 11) >> +#define VIP_FORMAT_YUV_OUTPUT_422 (0x00 << 16) >> +#define VIP_FORMAT_YUV_OUTPUT_420 (0x01 << 16) >> +#define VIP_FORMAT_OUTPUT_420_ORDER_EVEN (0x00 << 17) >> +#define VIP_FORMAT_OUTPUT_420_ORDER_ODD (0x01 << 17) >> +#define VIP_FORMAT_RAWD_DATA_LITTLE_ENDIAN (0x00 << 18) >> +#define VIP_FORMAT_RAWD_DATA_BIG_ENDIAN (0x01 << 18) >> +#define VIP_FORMAT_UV_STORAGE_ORDER_UVUV (0x00 << 19) >> +#define VIP_FORMAT_UV_STORAGE_ORDER_VUVU (0x01 << 19) >> +#define VIP_FORMAT_BT1120_CLOCK_SINGLE_EDGES (0x00 << 24) >> +#define VIP_FORMAT_BT1120_CLOCK_DOUBLE_EDGES (0x01 << 24) >> +#define VIP_FORMAT_BT1120_TRANSMIT_INTERFACE (0x00 << 25) >> +#define VIP_FORMAT_BT1120_TRANSMIT_PROGRESS (0x01 << 25) >> +#define VIP_FORMAT_BT1120_YC_SWAP (0x01 << 26) >> + >> +/* VIP_SCL_CTRL */ >> +#define VIP_SCL_CTRL_ENABLE_SCL_DOWN (0x01 << 0) >> +#define VIP_SCL_CTRL_DISABLE_SCL_DOWN (0x00 << 0) >> +#define VIP_SCL_CTRL_ENABLE_SCL_UP (0x01 << 1) >> +#define VIP_SCL_CTRL_DISABLE_SCL_UP (0x00 << 1) >> +#define VIP_SCL_CTRL_ENABLE_YUV_16BIT_BYPASS (0x01 << 4) >> +#define VIP_SCL_CTRL_DISABLE_YUV_16BIT_BYPASS (0x00 << 4) >> +#define VIP_SCL_CTRL_ENABLE_RAW_16BIT_BYPASS (0x01 << 5) >> +#define VIP_SCL_CTRL_DISABLE_RAW_16BIT_BYPASS (0x00 << 5) >> +#define VIP_SCL_CTRL_ENABLE_32BIT_BYPASS (0x01 << 6) >> +#define VIP_SCL_CTRL_DISABLE_32BIT_BYPASS (0x00 << 6) >> + >> +/* VIP_INTSTAT */ >> +#define VIP_INTSTAT_F0_READY (0x01 << 0) >> +#define VIP_INTSTAT_F1_READY (0x01 << 1) >> + >> +/* VIP_CROP */ >> +#define VIP_CROP_Y_SHIFT 16 >> +#define VIP_CROP_X_SHIFT 0 >> + >> +/* VIP_CSI_ID_CTRL0 */ >> +#define VIP_CSI_DISABLE_CAPTURE (0x0 << 0) >> +#define VIP_CSI_ENABLE_CAPTURE (0x1 << 0) >> +#define VIP_CSI_WRDDR_TYPE_RAW8 (0x0 << 1) >> +#define VIP_CSI_WRDDR_TYPE_RAW10 (0x1 << 1) >> +#define VIP_CSI_WRDDR_TYPE_RAW12 (0x2 << 1) >> +#define VIP_CSI_WRDDR_TYPE_RGB888 (0x3 << 1) >> +#define VIP_CSI_WRDDR_TYPE_YUV422 (0x4 << 1) >> +#define VIP_CSI_DISABLE_COMMAND_MODE (0x0 << 4) >> +#define VIP_CSI_ENABLE_COMMAND_MODE (0x1 << 4) >> +#define VIP_CSI_DISABLE_CROP (0x0 << 5) >> +#define VIP_CSI_ENABLE_CROP (0x1 << 5) >> + >> +/* VIP_CSI_INTEN */ >> +#define VIP_CSI_FRAME0_START_INTEN(id) (0x1 << ((id) * 2)) >> +#define VIP_CSI_FRAME1_START_INTEN(id) (0x1 << ((id) * 2 + 1)) >> +#define VIP_CSI_FRAME0_END_INTEN(id) (0x1 << ((id) * 2 + 8)) >> +#define VIP_CSI_FRAME1_END_INTEN(id) (0x1 << ((id) * 2 + 9)) >> +#define VIP_CSI_DMA_Y_FIFO_OVERFLOW_INTEN (0x1 << 16) >> +#define VIP_CSI_DMA_UV_FIFO_OVERFLOW_INTEN (0x1 << 17) >> +#define VIP_CSI_CONFIG_FIFO_OVERFLOW_INTEN (0x1 << 18) >> +#define VIP_CSI_BANDWIDTH_LACK_INTEN (0x1 << 19) >> +#define VIP_CSI_RX_FIFO_OVERFLOW_INTEN (0x1 << 20) >> +#define VIP_CSI_ALL_FRAME_START_INTEN (0xff << 0) >> +#define VIP_CSI_ALL_FRAME_END_INTEN (0xff << 8) >> +#define VIP_CSI_ALL_ERROR_INTEN (0x1f << 16) >> + >> +/* VIP_CSI_INTSTAT */ >> +#define VIP_CSI_FRAME0_START_ID0 (0x1 << 0) >> +#define VIP_CSI_FRAME1_START_ID0 (0x1 << 1) >> +#define VIP_CSI_FRAME0_START_ID1 (0x1 << 2) >> +#define VIP_CSI_FRAME1_START_ID1 (0x1 << 3) >> +#define VIP_CSI_FRAME0_START_ID2 (0x1 << 4) >> +#define VIP_CSI_FRAME1_START_ID2 (0x1 << 5) >> +#define VIP_CSI_FRAME0_START_ID3 (0x1 << 6) >> +#define VIP_CSI_FRAME1_START_ID3 (0x1 << 7) >> +#define VIP_CSI_FRAME0_END_ID0 (0x1 << 8) >> +#define VIP_CSI_FRAME1_END_ID0 (0x1 << 9) >> +#define VIP_CSI_FRAME0_END_ID1 (0x1 << 10) >> +#define VIP_CSI_FRAME1_END_ID1 (0x1 << 11) >> +#define VIP_CSI_FRAME0_END_ID2 (0x1 << 12) >> +#define VIP_CSI_FRAME1_END_ID2 (0x1 << 13) >> +#define VIP_CSI_FRAME0_END_ID3 (0x1 << 14) >> +#define VIP_CSI_FRAME1_END_ID3 (0x1 << 15) >> +#define VIP_CSI_DMA_Y_FIFO_OVERFLOW (0x1 << 16) >> +#define VIP_CSI_DMA_UV_FIFO_OVERFLOW (0x1 << 17) >> +#define VIP_CSI_CONFIG_FIFO_OVERFLOW (0x1 << 18) >> +#define VIP_CSI_BANDWIDTH_LACK (0x1 << 19) >> +#define VIP_CSI_RX_FIFO_OVERFLOW (0x1 << 20) >> + >> +#define VIP_CSI_FIFO_OVERFLOW (VIP_CSI_DMA_Y_FIFO_OVERFLOW | \ >> + VIP_CSI_DMA_UV_FIFO_OVERFLOW | \ >> + VIP_CSI_CONFIG_FIFO_OVERFLOW | \ >> + VIP_CSI_RX_FIFO_OVERFLOW) >> + >> +/* CSI Host Registers Define */ >> +#define VIP_CSIHOST_N_LANES 0x04 >> +#define VIP_CSIHOST_PHY_RSTZ 0x0c >> +#define VIP_CSIHOST_RESETN 0x10 >> +#define VIP_CSIHOST_ERR1 0x20 >> +#define VIP_CSIHOST_ERR2 0x24 >> +#define VIP_CSIHOST_MSK1 0x28 >> +#define VIP_CSIHOST_MSK2 0x2c >> +#define VIP_CSIHOST_CONTROL 0x40 >> + >> +#define VIP_SW_CPHY_EN(x) ((x) << 0) >> +#define VIP_SW_DSI_EN(x) ((x) << 4) >> +#define VIP_SW_DATATYPE_FS(x) ((x) << 8) >> +#define VIP_SW_DATATYPE_FE(x) ((x) << 14) >> +#define VIP_SW_DATATYPE_LS(x) ((x) << 20) >> +#define VIP_SW_DATATYPE_LE(x) ((x) << 26) >> + >> +#endif >> -- >> 2.25.4 >>