From patchwork Wed Nov 6 12:01:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Helen Mae Koike Fornazier X-Patchwork-Id: 11230143 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1F05C16B1 for ; Wed, 6 Nov 2019 12:02:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04921217D7 for ; Wed, 6 Nov 2019 12:02:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731496AbfKFMCN (ORCPT ); Wed, 6 Nov 2019 07:02:13 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:33236 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731225AbfKFMCM (ORCPT ); Wed, 6 Nov 2019 07:02:12 -0500 Received: from floko.floko.floko (unknown [IPv6:2804:431:c7f1:970a:5c8b:9def:467e:dc3f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: koike) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id A63DF28FC08; Wed, 6 Nov 2019 12:02:05 +0000 (GMT) From: Helen Koike To: linux-rockchip@lists.infradead.org Cc: linux-media@vger.kernel.org, eddie.cai.linux@gmail.com, mchehab@kernel.org, heiko@sntech.de, gregkh@linuxfoundation.org, jeffy.chen@rock-chips.com, zyc@rock-chips.com, linux-kernel@vger.kernel.org, tfiga@chromium.org, hans.verkuil@cisco.com, laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com, kernel@collabora.com, ezequiel@collabora.com, linux-arm-kernel@lists.infradead.org, zhengsq@rock-chips.com, Jacob Chen , Helen Koike Subject: [PATCH v9 1/4] media: videodev2.h, v4l2-ioctl: add rkisp1 meta buffer format Date: Wed, 6 Nov 2019 09:01:29 -0300 Message-Id: <20191106120132.6876-2-helen.koike@collabora.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20191106120132.6876-1-helen.koike@collabora.com> References: <20191106120132.6876-1-helen.koike@collabora.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Shunqian Zheng Add the Rockchip ISP1 specific processing parameter format V4L2_META_FMT_RK_ISP1_PARAMS and metadata format V4L2_META_FMT_RK_ISP1_STAT_3A for 3A. Signed-off-by: Shunqian Zheng Signed-off-by: Jacob Chen Acked-by: Hans Verkuil [refactored for upstream] Signed-off-by: Helen Koike Reviewed-by: Laurent Pinchart --- Changes in v9: - Add reviewed-by tag from Laurent Changes in v8: None Changes in v7: - s/IPU3/RK_ISP1 drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++ include/uapi/linux/videodev2.h | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 315ac12c3e0a..ade990554caf 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1341,6 +1341,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_META_FMT_UVC: descr = "UVC Payload Header Metadata"; break; case V4L2_META_FMT_D4XX: descr = "Intel D4xx UVC Metadata"; break; case V4L2_META_FMT_VIVID: descr = "Vivid Metadata"; break; + case V4L2_META_FMT_RK_ISP1_PARAMS: descr = "Rockchip ISP1 3A params"; break; + case V4L2_META_FMT_RK_ISP1_STAT_3A: descr = "Rockchip ISP1 3A statistics"; break; default: /* Compressed formats */ diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index f98bbcced8ff..56798b09cd85 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -762,6 +762,10 @@ struct v4l2_pix_format { #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ +/* Vendor specific - used for RK_ISP1 camera sub-system */ +#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 params */ +#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A statistics */ + /* priv field value to indicates that subsequent fields are valid. */ #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe From patchwork Wed Nov 6 12:01:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Helen Mae Koike Fornazier X-Patchwork-Id: 11230145 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 93C8913BD for ; Wed, 6 Nov 2019 12:02:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D43E2187F for ; Wed, 6 Nov 2019 12:02:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731490AbfKFMCU (ORCPT ); Wed, 6 Nov 2019 07:02:20 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:33248 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731225AbfKFMCU (ORCPT ); Wed, 6 Nov 2019 07:02:20 -0500 Received: from floko.floko.floko (unknown [IPv6:2804:431:c7f1:970a:5c8b:9def:467e:dc3f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: koike) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id C875628FC09; Wed, 6 Nov 2019 12:02:11 +0000 (GMT) From: Helen Koike To: linux-rockchip@lists.infradead.org Cc: linux-media@vger.kernel.org, eddie.cai.linux@gmail.com, mchehab@kernel.org, heiko@sntech.de, gregkh@linuxfoundation.org, jeffy.chen@rock-chips.com, zyc@rock-chips.com, linux-kernel@vger.kernel.org, tfiga@chromium.org, hans.verkuil@cisco.com, laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com, kernel@collabora.com, ezequiel@collabora.com, linux-arm-kernel@lists.infradead.org, zhengsq@rock-chips.com, Helen Koike , Jacob Chen Subject: [PATCH v9 2/4] media: staging: phy-rockchip-dphy: add Rockchip MIPI Synopsys DPHY driver Date: Wed, 6 Nov 2019 09:01:30 -0300 Message-Id: <20191106120132.6876-3-helen.koike@collabora.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20191106120132.6876-1-helen.koike@collabora.com> References: <20191106120132.6876-1-helen.koike@collabora.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add driver for Rockchip MIPI Synopsys DPHY Signed-off-by: Jacob Chen Signed-off-by: Shunqian Zheng Signed-off-by: Tomasz Figa [migrate to phy framework] Signed-off-by: Ezequiel Garcia [refactored for upstream] Signed-off-by: Helen Koike --- Changes in v9: dphy - Move to staging - replace memcpy by a directly assignment - remove unecessary ret variable in rockchip_dphy_init - s/0x1/1 - s/0x0/0 - coding style changes - dphy_reg variable sizes - variables from int to unsigned int - rename functions to start with rk_ - rename dphy0 to rx - fix hardcoded lane0 usage - disable rx on power off - general cleanups of unused variables Changes in v8: - Remove boiler plate license text Changes in v7: - Migrate dphy specific code from drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c to drivers/phy/rockchip/phy-rockchip-dphy.c - Drop support for rk3288 - Drop support for dphy txrx - code styling and checkpatch fixes drivers/staging/media/Kconfig | 2 + drivers/staging/media/Makefile | 1 + .../staging/media/phy-rockchip-dphy/Kconfig | 11 + .../staging/media/phy-rockchip-dphy/Makefile | 2 + drivers/staging/media/phy-rockchip-dphy/TODO | 3 + .../phy-rockchip-dphy/phy-rockchip-dphy.c | 400 ++++++++++++++++++ 6 files changed, 419 insertions(+) create mode 100644 drivers/staging/media/phy-rockchip-dphy/Kconfig create mode 100644 drivers/staging/media/phy-rockchip-dphy/Makefile create mode 100644 drivers/staging/media/phy-rockchip-dphy/TODO create mode 100644 drivers/staging/media/phy-rockchip-dphy/phy-rockchip-dphy.c diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig index 642adc4c24d2..a47484473883 100644 --- a/drivers/staging/media/Kconfig +++ b/drivers/staging/media/Kconfig @@ -38,4 +38,6 @@ source "drivers/staging/media/ipu3/Kconfig" source "drivers/staging/media/soc_camera/Kconfig" +source "drivers/staging/media/phy-rockchip-dphy/Kconfig" + endif diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile index 2f1711a8aeed..b0eae3906208 100644 --- a/drivers/staging/media/Makefile +++ b/drivers/staging/media/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_TEGRA_VDE) += tegra-vde/ obj-$(CONFIG_VIDEO_HANTRO) += hantro/ obj-$(CONFIG_VIDEO_IPU3_IMGU) += ipu3/ obj-$(CONFIG_SOC_CAMERA) += soc_camera/ +obj-$(CONFIG_PHY_ROCKCHIP_DPHY) += phy-rockchip-dphy/ diff --git a/drivers/staging/media/phy-rockchip-dphy/Kconfig b/drivers/staging/media/phy-rockchip-dphy/Kconfig new file mode 100644 index 000000000000..7378bd75fa7c --- /dev/null +++ b/drivers/staging/media/phy-rockchip-dphy/Kconfig @@ -0,0 +1,11 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Phy drivers for Rockchip platforms +# +config PHY_ROCKCHIP_DPHY + tristate "Rockchip MIPI Synopsys DPHY driver" + depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF + select GENERIC_PHY_MIPI_DPHY + select GENERIC_PHY + help + Enable this to support the Rockchip MIPI Synopsys DPHY. diff --git a/drivers/staging/media/phy-rockchip-dphy/Makefile b/drivers/staging/media/phy-rockchip-dphy/Makefile new file mode 100644 index 000000000000..24679dc950cd --- /dev/null +++ b/drivers/staging/media/phy-rockchip-dphy/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_PHY_ROCKCHIP_DPHY) += phy-rockchip-dphy.o diff --git a/drivers/staging/media/phy-rockchip-dphy/TODO b/drivers/staging/media/phy-rockchip-dphy/TODO new file mode 100644 index 000000000000..9003af535dc3 --- /dev/null +++ b/drivers/staging/media/phy-rockchip-dphy/TODO @@ -0,0 +1,3 @@ +The major reason for keeping this in staging is because the only driver +who uses this is rkisp1 who is also in staging. It should be moved together +rkisp1. diff --git a/drivers/staging/media/phy-rockchip-dphy/phy-rockchip-dphy.c b/drivers/staging/media/phy-rockchip-dphy/phy-rockchip-dphy.c new file mode 100644 index 000000000000..15eff7ca874c --- /dev/null +++ b/drivers/staging/media/phy-rockchip-dphy/phy-rockchip-dphy.c @@ -0,0 +1,400 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Rockchip MIPI Synopsys DPHY driver + * + * Based on: + * + * Copyright (C) 2016 FuZhou Rockchip Co., Ltd. + * Author: Yakir Yang + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define RK3399_GRF_SOC_CON9 0x6224 +#define RK3399_GRF_SOC_CON21 0x6254 +#define RK3399_GRF_SOC_CON22 0x6258 +#define RK3399_GRF_SOC_CON23 0x625c +#define RK3399_GRF_SOC_CON24 0x6260 +#define RK3399_GRF_SOC_CON25 0x6264 +#define RK3399_GRF_SOC_STATUS1 0xe2a4 + +#define CLOCK_LANE_HS_RX_CONTROL 0x34 +#define LANE0_HS_RX_CONTROL 0x44 +#define LANE1_HS_RX_CONTROL 0x54 +#define LANE2_HS_RX_CONTROL 0x84 +#define LANE3_HS_RX_CONTROL 0x94 +#define HS_RX_DATA_LANES_THS_SETTLE_CONTROL 0x75 + +#define MAX_DPHY_CLK 8 + +#define PHY_TESTEN_ADDR (1 << 16) +#define PHY_TESTEN_DATA (0 << 16) +#define PHY_TESTCLK (1 << 1) +#define PHY_TESTCLR (1 << 0) +#define THS_SETTLE_COUNTER_THRESHOLD 0x04 + +#define GRF_SOC_CON12 0x0274 + +#define GRF_EDP_REF_CLK_SEL_INTER_HIWORD_MASK BIT(20) +#define GRF_EDP_REF_CLK_SEL_INTER BIT(4) + +#define GRF_EDP_PHY_SIDDQ_HIWORD_MASK BIT(21) +#define GRF_EDP_PHY_SIDDQ_ON 0 +#define GRF_EDP_PHY_SIDDQ_OFF BIT(5) + +struct hsfreq_range { + u16 range_h; + u8 cfg_bit; +}; + +static const struct hsfreq_range rk3399_mipidphy_hsfreq_ranges[] = { + { 89, 0x00 }, { 99, 0x10 }, { 109, 0x20 }, { 129, 0x01 }, + { 139, 0x11 }, { 149, 0x21 }, { 169, 0x02 }, { 179, 0x12 }, + { 199, 0x22 }, { 219, 0x03 }, { 239, 0x13 }, { 249, 0x23 }, + { 269, 0x04 }, { 299, 0x14 }, { 329, 0x05 }, { 359, 0x15 }, + { 399, 0x25 }, { 449, 0x06 }, { 499, 0x16 }, { 549, 0x07 }, + { 599, 0x17 }, { 649, 0x08 }, { 699, 0x18 }, { 749, 0x09 }, + { 799, 0x19 }, { 849, 0x29 }, { 899, 0x39 }, { 949, 0x0a }, + { 999, 0x1a }, { 1049, 0x2a }, { 1099, 0x3a }, { 1149, 0x0b }, + { 1199, 0x1b }, { 1249, 0x2b }, { 1299, 0x3b }, { 1349, 0x0c }, + { 1399, 0x1c }, { 1449, 0x2c }, { 1500, 0x3c } + }; + +static const char * const rk3399_mipidphy_clks[] = { + "dphy-ref", + "dphy-cfg", + "grf", +}; + +enum dphy_reg_id { + GRF_DPHY_RX0_TURNDISABLE = 0, + GRF_DPHY_RX0_FORCERXMODE, + GRF_DPHY_RX0_FORCETXSTOPMODE, + GRF_DPHY_RX0_ENABLE, + GRF_DPHY_RX0_TESTCLR, + GRF_DPHY_RX0_TESTCLK, + GRF_DPHY_RX0_TESTEN, + GRF_DPHY_RX0_TESTDIN, + GRF_DPHY_RX0_TURNREQUEST, + GRF_DPHY_RX0_TESTDOUT, + GRF_DPHY_TX0_TURNDISABLE, + GRF_DPHY_TX0_FORCERXMODE, + GRF_DPHY_TX0_FORCETXSTOPMODE, + GRF_DPHY_TX0_TURNREQUEST, + GRF_DPHY_TX1RX1_TURNDISABLE, + GRF_DPHY_TX1RX1_FORCERXMODE, + GRF_DPHY_TX1RX1_FORCETXSTOPMODE, + GRF_DPHY_TX1RX1_ENABLE, + GRF_DPHY_TX1RX1_MASTERSLAVEZ, + GRF_DPHY_TX1RX1_BASEDIR, + GRF_DPHY_TX1RX1_ENABLECLK, + GRF_DPHY_TX1RX1_TURNREQUEST, + GRF_DPHY_RX1_SRC_SEL, + /* rk3288 only */ + GRF_CON_DISABLE_ISP, + GRF_CON_ISP_DPHY_SEL, + GRF_DSI_CSI_TESTBUS_SEL, + GRF_DVP_V18SEL, + /* below is for rk3399 only */ + GRF_DPHY_RX0_CLK_INV_SEL, + GRF_DPHY_RX1_CLK_INV_SEL, +}; + +struct dphy_reg { + u16 offset; + u8 mask; + u8 shift; +}; + +#define PHY_REG(_offset, _width, _shift) \ + { .offset = _offset, .mask = BIT(_width) - 1, .shift = _shift, } + +static const struct dphy_reg rk3399_grf_dphy_regs[] = { + [GRF_DPHY_RX0_TURNREQUEST] = PHY_REG(RK3399_GRF_SOC_CON9, 4, 0), + [GRF_DPHY_RX0_CLK_INV_SEL] = PHY_REG(RK3399_GRF_SOC_CON9, 1, 10), + [GRF_DPHY_RX1_CLK_INV_SEL] = PHY_REG(RK3399_GRF_SOC_CON9, 1, 11), + [GRF_DPHY_RX0_ENABLE] = PHY_REG(RK3399_GRF_SOC_CON21, 4, 0), + [GRF_DPHY_RX0_FORCERXMODE] = PHY_REG(RK3399_GRF_SOC_CON21, 4, 4), + [GRF_DPHY_RX0_FORCETXSTOPMODE] = PHY_REG(RK3399_GRF_SOC_CON21, 4, 8), + [GRF_DPHY_RX0_TURNDISABLE] = PHY_REG(RK3399_GRF_SOC_CON21, 4, 12), + [GRF_DPHY_TX0_FORCERXMODE] = PHY_REG(RK3399_GRF_SOC_CON22, 4, 0), + [GRF_DPHY_TX0_FORCETXSTOPMODE] = PHY_REG(RK3399_GRF_SOC_CON22, 4, 4), + [GRF_DPHY_TX0_TURNDISABLE] = PHY_REG(RK3399_GRF_SOC_CON22, 4, 8), + [GRF_DPHY_TX0_TURNREQUEST] = PHY_REG(RK3399_GRF_SOC_CON22, 4, 12), + [GRF_DPHY_TX1RX1_ENABLE] = PHY_REG(RK3399_GRF_SOC_CON23, 4, 0), + [GRF_DPHY_TX1RX1_FORCERXMODE] = PHY_REG(RK3399_GRF_SOC_CON23, 4, 4), + [GRF_DPHY_TX1RX1_FORCETXSTOPMODE] = PHY_REG(RK3399_GRF_SOC_CON23, 4, 8), + [GRF_DPHY_TX1RX1_TURNDISABLE] = PHY_REG(RK3399_GRF_SOC_CON23, 4, 12), + [GRF_DPHY_TX1RX1_TURNREQUEST] = PHY_REG(RK3399_GRF_SOC_CON24, 4, 0), + [GRF_DPHY_RX1_SRC_SEL] = PHY_REG(RK3399_GRF_SOC_CON24, 1, 4), + [GRF_DPHY_TX1RX1_BASEDIR] = PHY_REG(RK3399_GRF_SOC_CON24, 1, 5), + [GRF_DPHY_TX1RX1_ENABLECLK] = PHY_REG(RK3399_GRF_SOC_CON24, 1, 6), + [GRF_DPHY_TX1RX1_MASTERSLAVEZ] = PHY_REG(RK3399_GRF_SOC_CON24, 1, 7), + [GRF_DPHY_RX0_TESTDIN] = PHY_REG(RK3399_GRF_SOC_CON25, 8, 0), + [GRF_DPHY_RX0_TESTEN] = PHY_REG(RK3399_GRF_SOC_CON25, 1, 8), + [GRF_DPHY_RX0_TESTCLK] = PHY_REG(RK3399_GRF_SOC_CON25, 1, 9), + [GRF_DPHY_RX0_TESTCLR] = PHY_REG(RK3399_GRF_SOC_CON25, 1, 10), + [GRF_DPHY_RX0_TESTDOUT] = PHY_REG(RK3399_GRF_SOC_STATUS1, 8, 0), +}; + +struct dphy_drv_data { + const char * const *clks; + unsigned int num_clks; + const struct hsfreq_range *hsfreq_ranges; + unsigned int num_hsfreq_ranges; + const struct dphy_reg *regs; +}; + +struct rockchip_dphy { + struct device *dev; + struct regmap *grf; + struct clk_bulk_data clks[MAX_DPHY_CLK]; + + const struct dphy_drv_data *drv_data; + struct phy_configure_opts_mipi_dphy config; +}; + +static inline void rk_dphy_write_grf(struct rockchip_dphy *priv, + unsigned int index, u8 value) +{ + const struct dphy_reg *reg = &priv->drv_data->regs[index]; + /* Update high word */ + unsigned int val = (value << reg->shift) | + (reg->mask << (reg->shift + 16)); + + WARN_ON(!reg->offset); + regmap_write(priv->grf, reg->offset, val); +} + +static void rk_dphy_write_rx(struct rockchip_dphy *priv, + u8 test_code, u8 test_data) +{ + /* + * With the falling edge on TESTCLK, the TESTDIN[7:0] signal content + * is latched internally as the current test code. Test data is + * programmed internally by rising edge on TESTCLK. + */ + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTCLK, 1); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTDIN, test_code); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTEN, 1); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTCLK, 0); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTEN, 0); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTDIN, test_data); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTCLK, 1); +} + +static void rk_dphy_rx_stream_on(struct rockchip_dphy *priv) +{ + const struct dphy_drv_data *drv_data = priv->drv_data; + struct phy_configure_opts_mipi_dphy *config = &priv->config; + unsigned int i, hsfreq = 0, data_rate_mbps = config->hs_clk_rate; + + do_div(data_rate_mbps, 1000 * 1000); + + dev_dbg(priv->dev, "%s: lanes %d - data_rate_mbps %u\n", + __func__, config->lanes, data_rate_mbps); + + for (i = 0; i < drv_data->num_hsfreq_ranges; i++) { + if (drv_data->hsfreq_ranges[i].range_h >= data_rate_mbps) { + hsfreq = drv_data->hsfreq_ranges[i].cfg_bit; + break; + } + } + + rk_dphy_write_grf(priv, GRF_DPHY_RX0_FORCERXMODE, 0); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_FORCETXSTOPMODE, 0); + + /* Disable lane turn around, which is ignored in receive mode */ + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TURNREQUEST, 0); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TURNDISABLE, 0xf); + + rk_dphy_write_grf(priv, GRF_DPHY_RX0_ENABLE, GENMASK(config->lanes - 1, 0)); + + /* dphy start */ + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTCLK, 1); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTCLR, 1); + usleep_range(100, 150); + rk_dphy_write_grf(priv, GRF_DPHY_RX0_TESTCLR, 0); + usleep_range(100, 150); + + /* set clock lane */ + /* HS hsfreq_range & lane 0 settle bypass */ + rk_dphy_write_rx(priv, CLOCK_LANE_HS_RX_CONTROL, 0); + /* HS RX Control of lane0 */ + rk_dphy_write_rx(priv, LANE0_HS_RX_CONTROL, hsfreq << 1); + /* HS RX Control of lane1 */ + rk_dphy_write_rx(priv, LANE1_HS_RX_CONTROL, hsfreq << 1); + /* HS RX Control of lane2 */ + rk_dphy_write_rx(priv, LANE2_HS_RX_CONTROL, hsfreq << 1); + /* HS RX Control of lane3 */ + rk_dphy_write_rx(priv, LANE3_HS_RX_CONTROL, hsfreq << 1); + /* HS RX Data Lanes Settle State Time Control */ + rk_dphy_write_rx(priv, HS_RX_DATA_LANES_THS_SETTLE_CONTROL, + THS_SETTLE_COUNTER_THRESHOLD); + + /* Normal operation */ + rk_dphy_write_rx(priv, 0x0, 0); +} + +static int rk_dphy_configure(struct phy *phy, union phy_configure_opts *opts) +{ + struct rockchip_dphy *priv = phy_get_drvdata(phy); + int ret; + + /* pass with phy_mipi_dphy_get_default_config (with pixel rate?) */ + ret = phy_mipi_dphy_config_validate(&opts->mipi_dphy); + if (ret) + return ret; + + priv->config = opts->mipi_dphy; + + return 0; +} + +static int rk_dphy_power_on(struct phy *phy) +{ + struct rockchip_dphy *priv = phy_get_drvdata(phy); + int ret; + + ret = clk_bulk_enable(priv->drv_data->num_clks, priv->clks); + if (ret) + return ret; + + rk_dphy_rx_stream_on(priv); + + return 0; +} + +static int rk_dphy_power_off(struct phy *phy) +{ + struct rockchip_dphy *priv = phy_get_drvdata(phy); + + rk_dphy_write_grf(priv, GRF_DPHY_RX0_ENABLE, 0); + + clk_bulk_disable(priv->drv_data->num_clks, priv->clks); + return 0; +} + +static int rk_dphy_init(struct phy *phy) +{ + struct rockchip_dphy *priv = phy_get_drvdata(phy); + + return clk_bulk_prepare(priv->drv_data->num_clks, priv->clks); +} + +static int rk_dphy_exit(struct phy *phy) +{ + struct rockchip_dphy *priv = phy_get_drvdata(phy); + + clk_bulk_unprepare(priv->drv_data->num_clks, priv->clks); + return 0; +} + +static const struct phy_ops rk_dphy_ops = { + .power_on = rk_dphy_power_on, + .power_off = rk_dphy_power_off, + .init = rk_dphy_init, + .exit = rk_dphy_exit, + .configure = rk_dphy_configure, + .owner = THIS_MODULE, +}; + +static const struct dphy_drv_data rk3399_mipidphy_drv_data = { + .clks = rk3399_mipidphy_clks, + .num_clks = ARRAY_SIZE(rk3399_mipidphy_clks), + .hsfreq_ranges = rk3399_mipidphy_hsfreq_ranges, + .num_hsfreq_ranges = ARRAY_SIZE(rk3399_mipidphy_hsfreq_ranges), + .regs = rk3399_grf_dphy_regs, +}; + +static const struct of_device_id rk_dphy_dt_ids[] = { + { + .compatible = "rockchip,rk3399-mipi-dphy", + .data = &rk3399_mipidphy_drv_data, + }, + {} +}; +MODULE_DEVICE_TABLE(of, rk_dphy_dt_ids); + +static int rk_dphy_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + const struct dphy_drv_data *drv_data; + struct phy_provider *phy_provider; + const struct of_device_id *of_id; + struct rockchip_dphy *priv; + struct regmap *grf; + struct phy *phy; + unsigned int i; + int ret; + + if (!dev->parent || !dev->parent->of_node) + return -ENODEV; + + if (platform_get_resource(pdev, IORESOURCE_MEM, 0)) { + dev_err(dev, "Rockchip DPHY driver only suports RX mode\n"); + return -EINVAL; + } + + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + priv->dev = dev; + + grf = syscon_node_to_regmap(dev->parent->of_node); + if (IS_ERR(grf)) { + grf = syscon_regmap_lookup_by_phandle(dev->of_node, + "rockchip,grf"); + if (IS_ERR(grf)) { + dev_err(dev, "Can't find GRF syscon\n"); + return -ENODEV; + } + } + priv->grf = grf; + + of_id = of_match_device(rk_dphy_dt_ids, dev); + if (!of_id) + return -EINVAL; + + drv_data = of_id->data; + priv->drv_data = drv_data; + for (i = 0; i < drv_data->num_clks; i++) + priv->clks[i].id = drv_data->clks[i]; + ret = devm_clk_bulk_get(&pdev->dev, drv_data->num_clks, priv->clks); + if (ret) + return ret; + + phy = devm_phy_create(dev, np, &rk_dphy_ops); + if (IS_ERR(phy)) { + dev_err(dev, "failed to create phy\n"); + return PTR_ERR(phy); + } + phy_set_drvdata(phy, priv); + + phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + + return PTR_ERR_OR_ZERO(phy_provider); +} + +static struct platform_driver rk_dphy_driver = { + .probe = rk_dphy_probe, + .driver = { + .name = "rockchip-mipi-dphy", + .of_match_table = rk_dphy_dt_ids, + }, +}; +module_platform_driver(rk_dphy_driver); + +MODULE_AUTHOR("Ezequiel Garcia "); +MODULE_DESCRIPTION("Rockchip MIPI Synopsys DPHY driver"); +MODULE_LICENSE("Dual MIT/GPL"); From patchwork Wed Nov 6 12:01:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Helen Mae Koike Fornazier X-Patchwork-Id: 11230151 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C629513BD for ; Wed, 6 Nov 2019 12:02:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AB0C0217F4 for ; Wed, 6 Nov 2019 12:02:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731643AbfKFMCf (ORCPT ); Wed, 6 Nov 2019 07:02:35 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:33304 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730120AbfKFMCf (ORCPT ); Wed, 6 Nov 2019 07:02:35 -0500 Received: from floko.floko.floko (unknown [IPv6:2804:431:c7f1:970a:5c8b:9def:467e:dc3f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: koike) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id B364628FC0C; Wed, 6 Nov 2019 12:02:28 +0000 (GMT) From: Helen Koike To: linux-rockchip@lists.infradead.org Cc: linux-media@vger.kernel.org, eddie.cai.linux@gmail.com, mchehab@kernel.org, heiko@sntech.de, gregkh@linuxfoundation.org, jeffy.chen@rock-chips.com, zyc@rock-chips.com, linux-kernel@vger.kernel.org, tfiga@chromium.org, hans.verkuil@cisco.com, laurent.pinchart@ideasonboard.com, sakari.ailus@linux.intel.com, kernel@collabora.com, ezequiel@collabora.com, linux-arm-kernel@lists.infradead.org, zhengsq@rock-chips.com, Helen Koike Subject: [PATCH v9 4/4] MAINTAINERS: add entry for Rockchip ISP1 driver Date: Wed, 6 Nov 2019 09:01:32 -0300 Message-Id: <20191106120132.6876-5-helen.koike@collabora.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20191106120132.6876-1-helen.koike@collabora.com> References: <20191106120132.6876-1-helen.koike@collabora.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add MAINTAINERS entry for the rockchip isp1 driver. Signed-off-by: Helen Koike --- MAINTAINERS | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index ea0dcc0b9763..ce162e2236d9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13933,6 +13933,12 @@ F: drivers/hid/hid-roccat* F: include/linux/hid-roccat* F: Documentation/ABI/*/sysfs-driver-hid-roccat* +ROCKCHIP ISP V1 DRIVER +M: Helen Koike +L: linux-media@vger.kernel.org +S: Maintained +F: drivers/staging/media/rkisp1/ + ROCKCHIP RASTER 2D GRAPHIC ACCELERATION UNIT DRIVER M: Jacob Chen M: Ezequiel Garcia