From patchwork Wed Jun 5 10:55:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WmhpIE1hbyAo5q+b5pm6KQ==?= X-Patchwork-Id: 13686621 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 56263C25B76 for ; Wed, 5 Jun 2024 10:57:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Wed, 05 Jun 2024 03:56:51 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 5 Jun 2024 18:56:31 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 5 Jun 2024 18:56:30 +0800 From: Zhi Mao To: , , , CC: , , , , , , , , , , <10572168@qq.com>, , , , , , , , , , , , , , , , , Krzysztof Kozlowski Subject: [PATCH v5 1/3] media: dt-bindings: i2c: add GalaxyCore GC05A2 image sensor Date: Wed, 5 Jun 2024 18:55:38 +0800 Message-ID: <20240605105540.17937-2-zhi.mao@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240605105540.17937-1-zhi.mao@mediatek.com> References: <20240605105540.17937-1-zhi.mao@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--1.694300-8.000000 X-TMASE-MatchedRID: +k55+NgUc6auhCBFl/b63mNW0DAjL5p++OI6XsK3BWHfUZT83lbkEEd0 Rzx07LDV96TYN1fO8g6y9AsAxk+TJQAwGIAo3Shb71Wx2uUbPLdbAoaK+wS4jee+ZCR6qEmPGAg eo2y7APIP/Y2o61xSj9FJTP+oKoX59GlJz+74uGzr/EBmiNuXt/ZCh7IN8a4A5vn0qvY6UyajxY yRBa/qJV/Hpl/zcOjl5MIx11wv+CPKayT/BQTiGpmUbUziM6CAz/vewFNwGkYrRBmEoUL45+82j 05Yv7FAgtx5V6mhri+3PqqUxLGdNGUPC3MufmSvhKsq3EUGXry7PFN22SEG4a6c9X2DKLPd82Gj 2QC3yG0smXVK/H8eHzG7sr7xobSAsPEFD+rZA81DDKa3G4nrLQ== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.694300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 99AE71AD0B0DA4A7801071FA0DD349A8416C49F4C085F314C2FB0CA500FD13592000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240605_035657_220003_BB77CB1F X-CRM114-Status: GOOD ( 12.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add YAML device tree binding for GC05A2 CMOS image sensor, and the relevant MAINTAINERS entries. Reviewed-by: Krzysztof Kozlowski Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Zhi Mao --- .../bindings/media/i2c/galaxycore,gc05a2.yaml | 112 ++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/galaxycore,gc05a2.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/galaxycore,gc05a2.yaml b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc05a2.yaml new file mode 100644 index 000000000000..0e7a7b5ac89f --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/galaxycore,gc05a2.yaml @@ -0,0 +1,112 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (c) 2023 MediaTek Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/galaxycore,gc05a2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GalaxyCore gc05a2 1/5" 5M Pixel MIPI CSI-2 sensor + +maintainers: + - Zhi Mao + +description: + The gc05a2 is a raw image sensor with an MIPI CSI-2 image data + interface and CCI (I2C compatible) control bus. The output format + is raw Bayer. + +properties: + compatible: + const: galaxycore,gc05a2 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + dovdd-supply: true + + avdd-supply: true + + dvdd-supply: true + + reset-gpios: + description: Reference to the GPIO connected to the RESETB pin. + maxItems: 1 + + port: + $ref: /schemas/graph.yaml#/$defs/port-base + additionalProperties: false + description: + Output port node, single endpoint describing the CSI-2 transmitter. + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + oneOf: + - items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + - items: + - const: 1 + - const: 2 + + link-frequencies: true + + required: + - data-lanes + - link-frequencies + + required: + - endpoint + +required: + - compatible + - reg + - clocks + - dovdd-supply + - avdd-supply + - dvdd-supply + - reset-gpios + - port + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + sensor@37 { + compatible = "galaxycore,gc05a2"; + reg = <0x37>; + + clocks = <&gc05a2_clk>; + + reset-gpios = <&pio 21 GPIO_ACTIVE_LOW>; + + avdd-supply = <&gc05a2_avdd>; + dovdd-supply = <&gc05a2_dovdd>; + dvdd-supply = <&gc05a2_dvdd>; + + port { + sensor_out: endpoint { + data-lanes = <1 2>; + link-frequencies = /bits/ 64 <448000000 224000000>; + remote-endpoint = <&seninf_csi_port_1_in>; + }; + }; + }; + }; + +... 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Signed-off-by: Zhi Mao Reviewed-by: AngeloGioacchino Del Regno --- drivers/media/i2c/Kconfig | 10 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/gc05a2.c | 1361 ++++++++++++++++++++++++++++++++++++ 3 files changed, 1372 insertions(+) create mode 100644 drivers/media/i2c/gc05a2.c diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index c6d3ee472d81..4e7c71c95143 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -70,6 +70,16 @@ config VIDEO_GC0308 To compile this driver as a module, choose M here: the module will be called gc0308. +config VIDEO_GC05A2 + tristate "GalaxyCore gc05a2 sensor support" + select V4L2_CCI_I2C + help + This is a Video4Linux2 sensor driver for the GalaxyCore gc05a2 + camera. + + To compile this driver as a module, choose M here: the + module will be called gc05a2. + config VIDEO_GC2145 select V4L2_CCI_I2C tristate "GalaxyCore GC2145 sensor support" diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index dfbe6448b549..8ed6faf0f854 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -38,6 +38,7 @@ obj-$(CONFIG_VIDEO_DW9768) += dw9768.o obj-$(CONFIG_VIDEO_DW9807_VCM) += dw9807-vcm.o obj-$(CONFIG_VIDEO_ET8EK8) += et8ek8/ obj-$(CONFIG_VIDEO_GC0308) += gc0308.o +obj-$(CONFIG_VIDEO_GC05A2) += gc05a2.o obj-$(CONFIG_VIDEO_GC2145) += gc2145.o obj-$(CONFIG_VIDEO_HI556) += hi556.o obj-$(CONFIG_VIDEO_HI846) += hi846.o diff --git a/drivers/media/i2c/gc05a2.c b/drivers/media/i2c/gc05a2.c new file mode 100644 index 000000000000..87a209b27fc2 --- /dev/null +++ b/drivers/media/i2c/gc05a2.c @@ -0,0 +1,1361 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for GalaxyCore gc05a2 image sensor + * + * Copyright 2024 MediaTek + * + * Zhi Mao + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#define GC05A2_REG_TEST_PATTERN_EN CCI_REG8(0x008c) +#define GC05A2_REG_TEST_PATTERN_IDX CCI_REG8(0x008d) +#define GC05A2_TEST_PATTERN_EN 0x01 + +#define GC05A2_STREAMING_REG CCI_REG8(0x0100) + +#define GC05A2_FLIP_REG CCI_REG8(0x0101) +#define GC05A2_FLIP_H_MASK BIT(0) +#define GC05A2_FLIP_V_MASK BIT(1) + +#define GC05A2_EXP_REG CCI_REG16(0x0202) +#define GC05A2_EXP_MARGIN 16 +#define GC05A2_EXP_MIN 4 +#define GC05A2_EXP_STEP 1 + +#define GC05A2_AGAIN_REG CCI_REG16(0x0204) +#define GC05A2_AGAIN_MIN 1024 +#define GC05A2_AGAIN_MAX (1024 * 16) +#define GC05A2_AGAIN_STEP 1 + +#define GC05A2_FRAME_LENGTH_REG CCI_REG16(0x0340) +#define GC05A2_VTS_MAX 0xffff + +#define GC05A2_REG_CHIP_ID CCI_REG16(0x03f0) +#define GC05A2_CHIP_ID 0x05a2 + +#define GC05A2_NATIVE_WIDTH 2592 +#define GC05A2_NATIVE_HEIGHT 1944 + +#define GC05A2_DEFAULT_CLK_FREQ (24 * HZ_PER_MHZ) +#define GC05A2_MBUS_CODE MEDIA_BUS_FMT_SGRBG10_1X10 +#define GC05A2_DATA_LANES 2 +#define GC05A2_RGB_DEPTH 10 +#define GC05A2_SLEEP_US (2 * USEC_PER_MSEC) + +static const char *const gc05a2_test_pattern_menu[] = { + "No Pattern", "Fade_to_gray_Color Bar", "Color Bar", + "PN9", "Horizental_gradient", "Checkboard Pattern", + "Slant", "Resolution", "Solid Black", + "Solid White", +}; + +static const s64 gc05a2_link_freq_menu_items[] = { + (448 * HZ_PER_MHZ), + (224 * HZ_PER_MHZ), +}; + +static const char *const gc05a2_supply_name[] = { + "avdd", + "dvdd", + "dovdd", +}; + +struct gc05a2 { + struct device *dev; + struct v4l2_subdev sd; + struct media_pad pad; + + struct clk *xclk; + struct regulator_bulk_data supplies[ARRAY_SIZE(gc05a2_supply_name)]; + struct gpio_desc *reset_gpio; + + struct v4l2_ctrl_handler ctrls; + struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *link_freq; + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *vblank; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *vflip; + + struct regmap *regmap; + unsigned long link_freq_bitmap; + + /* True if the device has been identified */ + bool identified; + const struct gc05a2_mode *cur_mode; +}; + +struct gc05a2_reg_list { + u32 num_of_regs; + const struct cci_reg_sequence *regs; +}; + +static const struct cci_reg_sequence mode_2592x1944[] = { + /* system */ + { CCI_REG8(0x0135), 0x01 }, + { CCI_REG8(0x0084), 0x21 }, + { CCI_REG8(0x0d05), 0xcc }, + { CCI_REG8(0x0218), 0x00 }, + { CCI_REG8(0x005e), 0x48 }, + { CCI_REG8(0x0d06), 0x01 }, + { CCI_REG8(0x0007), 0x16 }, + { CCI_REG8(0x0101), 0x00 }, + + /* analog */ + { CCI_REG8(0x0342), 0x07 }, + { CCI_REG8(0x0343), 0x28 }, + { CCI_REG8(0x0220), 0x07 }, + { CCI_REG8(0x0221), 0xd0 }, + { CCI_REG8(0x0202), 0x07 }, + { CCI_REG8(0x0203), 0x32 }, + { CCI_REG8(0x0340), 0x07 }, + { CCI_REG8(0x0341), 0xf0 }, + { CCI_REG8(0x0219), 0x00 }, + { CCI_REG8(0x0346), 0x00 }, + { CCI_REG8(0x0347), 0x04 }, + { CCI_REG8(0x0d14), 0x00 }, + { CCI_REG8(0x0d13), 0x05 }, + { CCI_REG8(0x0d16), 0x05 }, + { CCI_REG8(0x0d15), 0x1d }, + { CCI_REG8(0x00c0), 0x0a }, + { CCI_REG8(0x00c1), 0x30 }, + { CCI_REG8(0x034a), 0x07 }, + { CCI_REG8(0x034b), 0xa8 }, + { CCI_REG8(0x0e0a), 0x00 }, + { CCI_REG8(0x0e0b), 0x00 }, + { CCI_REG8(0x0e0e), 0x03 }, + { CCI_REG8(0x0e0f), 0x00 }, + { CCI_REG8(0x0e06), 0x0a }, + { CCI_REG8(0x0e23), 0x15 }, + { CCI_REG8(0x0e24), 0x15 }, + { CCI_REG8(0x0e2a), 0x10 }, + { CCI_REG8(0x0e2b), 0x10 }, + { CCI_REG8(0x0e17), 0x49 }, + { CCI_REG8(0x0e1b), 0x1c }, + { CCI_REG8(0x0e3a), 0x36 }, + { CCI_REG8(0x0d11), 0x84 }, + { CCI_REG8(0x0e52), 0x14 }, + { CCI_REG8(0x000b), 0x10 }, + { CCI_REG8(0x0008), 0x08 }, + { CCI_REG8(0x0223), 0x17 }, + { CCI_REG8(0x0d27), 0x39 }, + { CCI_REG8(0x0d22), 0x00 }, + { CCI_REG8(0x03f6), 0x0d }, + { CCI_REG8(0x0d04), 0x07 }, + { CCI_REG8(0x03f3), 0x72 }, + { CCI_REG8(0x03f4), 0xb8 }, + { CCI_REG8(0x03f5), 0xbc }, + { CCI_REG8(0x0d02), 0x73 }, + + /* auto load start */ + { CCI_REG8(0x00cb), 0x00 }, + + /* OUT 2592*1944 */ + { CCI_REG8(0x0350), 0x01 }, + { CCI_REG8(0x0353), 0x00 }, + { CCI_REG8(0x0354), 0x08 }, + { CCI_REG16(0x034c), 2592 }, /* Width */ + { CCI_REG8(0x021f), 0x14 }, + + /* MIPI */ + { CCI_REG8(0x0107), 0x05 }, + { CCI_REG8(0x0117), 0x01 }, + { CCI_REG8(0x0d81), 0x00 }, + { CCI_REG8(0x0d84), 0x0c }, + { CCI_REG8(0x0d85), 0xa8 }, + { CCI_REG8(0x0d86), 0x06 }, + { CCI_REG8(0x0d87), 0x55 }, + { CCI_REG8(0x0db3), 0x06 }, + { CCI_REG8(0x0db4), 0x08 }, + { CCI_REG8(0x0db5), 0x1e }, + { CCI_REG8(0x0db6), 0x02 }, + { CCI_REG8(0x0db8), 0x12 }, + { CCI_REG8(0x0db9), 0x0a }, + { CCI_REG8(0x0d93), 0x06 }, + { CCI_REG8(0x0d94), 0x09 }, + { CCI_REG8(0x0d95), 0x0d }, + { CCI_REG8(0x0d99), 0x0b }, + { CCI_REG8(0x0084), 0x01 }, + { CCI_REG8(0x0110), 0x01 }, +}; + +static const struct cci_reg_sequence mode_1280x720[] = { + /* system */ + { CCI_REG8(0x0135), 0x05 }, + { CCI_REG8(0x0084), 0x21 }, + { CCI_REG8(0x0d05), 0xcc }, + { CCI_REG8(0x0218), 0x80 }, + { CCI_REG8(0x005e), 0x49 }, + { CCI_REG8(0x0d06), 0x81 }, + { CCI_REG8(0x0007), 0x16 }, + { CCI_REG8(0x0101), 0x00 }, + + /* analog */ + { CCI_REG8(0x0342), 0x07 }, + { CCI_REG8(0x0343), 0x10 }, + { CCI_REG8(0x0220), 0x07 }, + { CCI_REG8(0x0221), 0xd0 }, + { CCI_REG8(0x0202), 0x03 }, + { CCI_REG8(0x0203), 0x32 }, + { CCI_REG8(0x0340), 0x04 }, + { CCI_REG8(0x0341), 0x08 }, + { CCI_REG8(0x0219), 0x00 }, + { CCI_REG8(0x0346), 0x01 }, + { CCI_REG8(0x0347), 0x00 }, + { CCI_REG8(0x0d14), 0x00 }, + { CCI_REG8(0x0d13), 0x05 }, + { CCI_REG8(0x0d16), 0x05 }, + { CCI_REG8(0x0d15), 0x1d }, + { CCI_REG8(0x00c0), 0x0a }, + { CCI_REG8(0x00c1), 0x30 }, + { CCI_REG8(0x034a), 0x05 }, + { CCI_REG8(0x034b), 0xb0 }, + { CCI_REG8(0x0e0a), 0x00 }, + { CCI_REG8(0x0e0b), 0x00 }, + { CCI_REG8(0x0e0e), 0x03 }, + { CCI_REG8(0x0e0f), 0x00 }, + { CCI_REG8(0x0e06), 0x0a }, + { CCI_REG8(0x0e23), 0x15 }, + { CCI_REG8(0x0e24), 0x15 }, + { CCI_REG8(0x0e2a), 0x10 }, + { CCI_REG8(0x0e2b), 0x10 }, + { CCI_REG8(0x0e17), 0x49 }, + { CCI_REG8(0x0e1b), 0x1c }, + { CCI_REG8(0x0e3a), 0x36 }, + { CCI_REG8(0x0d11), 0x84 }, + { CCI_REG8(0x0e52), 0x14 }, + { CCI_REG8(0x000b), 0x0e }, + { CCI_REG8(0x0008), 0x03 }, + { CCI_REG8(0x0223), 0x16 }, + { CCI_REG8(0x0d27), 0x39 }, + { CCI_REG8(0x0d22), 0x00 }, + { CCI_REG8(0x03f6), 0x0d }, + { CCI_REG8(0x0d04), 0x07 }, + { CCI_REG8(0x03f3), 0x72 }, + { CCI_REG8(0x03f4), 0xb8 }, + { CCI_REG8(0x03f5), 0xbc }, + { CCI_REG8(0x0d02), 0x73 }, + + /* auto load start */ + { CCI_REG8(0x00cb), 0xfc }, + + /* OUT 1280x720 */ + { CCI_REG8(0x0350), 0x01 }, + { CCI_REG8(0x0353), 0x00 }, + { CCI_REG8(0x0354), 0x0c }, + { CCI_REG16(0x034c), 1280 }, /* Width */ + { CCI_REG8(0x021f), 0x14 }, + + /* MIPI */ + { CCI_REG8(0x0107), 0x05 }, + { CCI_REG8(0x0117), 0x01 }, + { CCI_REG8(0x0d81), 0x00 }, + { CCI_REG8(0x0d84), 0x06 }, + { CCI_REG8(0x0d85), 0x40 }, + { CCI_REG8(0x0d86), 0x03 }, + { CCI_REG8(0x0d87), 0x21 }, + { CCI_REG8(0x0db3), 0x03 }, + { CCI_REG8(0x0db4), 0x04 }, + { CCI_REG8(0x0db5), 0x0d }, + { CCI_REG8(0x0db6), 0x01 }, + { CCI_REG8(0x0db8), 0x04 }, + { CCI_REG8(0x0db9), 0x06 }, + { CCI_REG8(0x0d93), 0x03 }, + { CCI_REG8(0x0d94), 0x04 }, + { CCI_REG8(0x0d95), 0x05 }, + { CCI_REG8(0x0d99), 0x06 }, + { CCI_REG8(0x0084), 0x01 }, + { CCI_REG8(0x0110), 0x01 }, +}; + +static const struct cci_reg_sequence mode_table_common[] = { + { GC05A2_STREAMING_REG, 0x00 }, + /* system */ + { CCI_REG8(0x0315), 0xd4 }, + { CCI_REG8(0x0d06), 0x01 }, + { CCI_REG8(0x0a70), 0x80 }, + { CCI_REG8(0x031a), 0x00 }, + { CCI_REG8(0x0314), 0x00 }, + { CCI_REG8(0x0130), 0x08 }, + { CCI_REG8(0x0132), 0x01 }, + { CCI_REG8(0x0136), 0x38 }, + { CCI_REG8(0x0137), 0x03 }, + { CCI_REG8(0x0134), 0x5b }, + { CCI_REG8(0x031c), 0xe0 }, + { CCI_REG8(0x0d82), 0x14 }, + { CCI_REG8(0x0dd1), 0x56 }, + { CCI_REG8(0x0af4), 0x01 }, + { CCI_REG8(0x0002), 0x10 }, + { CCI_REG8(0x00c3), 0x34 }, + { CCI_REG8(0x00c4), 0x00 }, + { CCI_REG8(0x00c5), 0x01 }, + { CCI_REG8(0x0af6), 0x00 }, + { CCI_REG8(0x0ba0), 0x17 }, + { CCI_REG8(0x0ba1), 0x00 }, + { CCI_REG8(0x0ba2), 0x00 }, + { CCI_REG8(0x0ba3), 0x00 }, + { CCI_REG8(0x0ba4), 0x03 }, + { CCI_REG8(0x0ba5), 0x00 }, + { CCI_REG8(0x0ba6), 0x00 }, + { CCI_REG8(0x0ba7), 0x00 }, + { CCI_REG8(0x0ba8), 0x40 }, + { CCI_REG8(0x0ba9), 0x00 }, + { CCI_REG8(0x0baa), 0x00 }, + { CCI_REG8(0x0bab), 0x00 }, + { CCI_REG8(0x0bac), 0x40 }, + { CCI_REG8(0x0bad), 0x00 }, + { CCI_REG8(0x0bae), 0x00 }, + { CCI_REG8(0x0baf), 0x00 }, + { CCI_REG8(0x0bb0), 0x02 }, + { CCI_REG8(0x0bb1), 0x00 }, + { CCI_REG8(0x0bb2), 0x00 }, + { CCI_REG8(0x0bb3), 0x00 }, + { CCI_REG8(0x0bb8), 0x02 }, + { CCI_REG8(0x0bb9), 0x00 }, + { CCI_REG8(0x0bba), 0x00 }, + { CCI_REG8(0x0bbb), 0x00 }, + { CCI_REG8(0x0a70), 0x80 }, + { CCI_REG8(0x0a71), 0x00 }, + { CCI_REG8(0x0a72), 0x00 }, + { CCI_REG8(0x0a66), 0x00 }, + { CCI_REG8(0x0a67), 0x80 }, + { CCI_REG8(0x0a4d), 0x4e }, + { CCI_REG8(0x0a50), 0x00 }, + { CCI_REG8(0x0a4f), 0x0c }, + { CCI_REG8(0x0a66), 0x00 }, + { CCI_REG8(0x00ca), 0x00 }, + { CCI_REG8(0x00cc), 0x00 }, + { CCI_REG8(0x00cd), 0x00 }, + { CCI_REG8(0x0aa1), 0x00 }, + { CCI_REG8(0x0aa2), 0xe0 }, + { CCI_REG8(0x0aa3), 0x00 }, + { CCI_REG8(0x0aa4), 0x40 }, + { CCI_REG8(0x0a90), 0x03 }, + { CCI_REG8(0x0a91), 0x0e }, + { CCI_REG8(0x0a94), 0x80 }, + { CCI_REG8(0x0af6), 0x20 }, + { CCI_REG8(0x0b00), 0x91 }, + { CCI_REG8(0x0b01), 0x17 }, + { CCI_REG8(0x0b02), 0x01 }, + { CCI_REG8(0x0b03), 0x00 }, + { CCI_REG8(0x0b04), 0x01 }, + { CCI_REG8(0x0b05), 0x17 }, + { CCI_REG8(0x0b06), 0x01 }, + { CCI_REG8(0x0b07), 0x00 }, + { CCI_REG8(0x0ae9), 0x01 }, + { CCI_REG8(0x0aea), 0x02 }, + { CCI_REG8(0x0ae8), 0x53 }, + { CCI_REG8(0x0ae8), 0x43 }, + { CCI_REG8(0x0af6), 0x30 }, + { CCI_REG8(0x0b00), 0x08 }, + { CCI_REG8(0x0b01), 0x0f }, + { CCI_REG8(0x0b02), 0x00 }, + { CCI_REG8(0x0b04), 0x1c }, + { CCI_REG8(0x0b05), 0x24 }, + { CCI_REG8(0x0b06), 0x00 }, + { CCI_REG8(0x0b08), 0x30 }, + { CCI_REG8(0x0b09), 0x40 }, + { CCI_REG8(0x0b0a), 0x00 }, + { CCI_REG8(0x0b0c), 0x0e }, + { CCI_REG8(0x0b0d), 0x2a }, + { CCI_REG8(0x0b0e), 0x00 }, + { CCI_REG8(0x0b10), 0x0e }, + { CCI_REG8(0x0b11), 0x2b }, + { CCI_REG8(0x0b12), 0x00 }, + { CCI_REG8(0x0b14), 0x0e }, + { CCI_REG8(0x0b15), 0x23 }, + { CCI_REG8(0x0b16), 0x00 }, + { CCI_REG8(0x0b18), 0x0e }, + { CCI_REG8(0x0b19), 0x24 }, + { CCI_REG8(0x0b1a), 0x00 }, + { CCI_REG8(0x0b1c), 0x0c }, + { CCI_REG8(0x0b1d), 0x0c }, + { CCI_REG8(0x0b1e), 0x00 }, + { CCI_REG8(0x0b20), 0x03 }, + { CCI_REG8(0x0b21), 0x03 }, + { CCI_REG8(0x0b22), 0x00 }, + { CCI_REG8(0x0b24), 0x0e }, + { CCI_REG8(0x0b25), 0x0e }, + { CCI_REG8(0x0b26), 0x00 }, + { CCI_REG8(0x0b28), 0x03 }, + { CCI_REG8(0x0b29), 0x03 }, + { CCI_REG8(0x0b2a), 0x00 }, + { CCI_REG8(0x0b2c), 0x12 }, + { CCI_REG8(0x0b2d), 0x12 }, + { CCI_REG8(0x0b2e), 0x00 }, + { CCI_REG8(0x0b30), 0x08 }, + { CCI_REG8(0x0b31), 0x08 }, + { CCI_REG8(0x0b32), 0x00 }, + { CCI_REG8(0x0b34), 0x14 }, + { CCI_REG8(0x0b35), 0x14 }, + { CCI_REG8(0x0b36), 0x00 }, + { CCI_REG8(0x0b38), 0x10 }, + { CCI_REG8(0x0b39), 0x10 }, + { CCI_REG8(0x0b3a), 0x00 }, + { CCI_REG8(0x0b3c), 0x16 }, + { CCI_REG8(0x0b3d), 0x16 }, + { CCI_REG8(0x0b3e), 0x00 }, + { CCI_REG8(0x0b40), 0x10 }, + { CCI_REG8(0x0b41), 0x10 }, + { CCI_REG8(0x0b42), 0x00 }, + { CCI_REG8(0x0b44), 0x19 }, + { CCI_REG8(0x0b45), 0x19 }, + { CCI_REG8(0x0b46), 0x00 }, + { CCI_REG8(0x0b48), 0x16 }, + { CCI_REG8(0x0b49), 0x16 }, + { CCI_REG8(0x0b4a), 0x00 }, + { CCI_REG8(0x0b4c), 0x19 }, + { CCI_REG8(0x0b4d), 0x19 }, + { CCI_REG8(0x0b4e), 0x00 }, + { CCI_REG8(0x0b50), 0x16 }, + { CCI_REG8(0x0b51), 0x16 }, + { CCI_REG8(0x0b52), 0x00 }, + { CCI_REG8(0x0b80), 0x01 }, + { CCI_REG8(0x0b81), 0x00 }, + { CCI_REG8(0x0b82), 0x00 }, + { CCI_REG8(0x0b84), 0x00 }, + { CCI_REG8(0x0b85), 0x00 }, + { CCI_REG8(0x0b86), 0x00 }, + { CCI_REG8(0x0b88), 0x01 }, + { CCI_REG8(0x0b89), 0x6a }, + { CCI_REG8(0x0b8a), 0x00 }, + { CCI_REG8(0x0b8c), 0x00 }, + { CCI_REG8(0x0b8d), 0x01 }, + { CCI_REG8(0x0b8e), 0x00 }, + { CCI_REG8(0x0b90), 0x01 }, + { CCI_REG8(0x0b91), 0xf6 }, + { CCI_REG8(0x0b92), 0x00 }, + { CCI_REG8(0x0b94), 0x00 }, + { CCI_REG8(0x0b95), 0x02 }, + { CCI_REG8(0x0b96), 0x00 }, + { CCI_REG8(0x0b98), 0x02 }, + { CCI_REG8(0x0b99), 0xc4 }, + { CCI_REG8(0x0b9a), 0x00 }, + { CCI_REG8(0x0b9c), 0x00 }, + { CCI_REG8(0x0b9d), 0x03 }, + { CCI_REG8(0x0b9e), 0x00 }, + { CCI_REG8(0x0ba0), 0x03 }, + { CCI_REG8(0x0ba1), 0xd8 }, + { CCI_REG8(0x0ba2), 0x00 }, + { CCI_REG8(0x0ba4), 0x00 }, + { CCI_REG8(0x0ba5), 0x04 }, + { CCI_REG8(0x0ba6), 0x00 }, + { CCI_REG8(0x0ba8), 0x05 }, + { CCI_REG8(0x0ba9), 0x4d }, + { CCI_REG8(0x0baa), 0x00 }, + { CCI_REG8(0x0bac), 0x00 }, + { CCI_REG8(0x0bad), 0x05 }, + { CCI_REG8(0x0bae), 0x00 }, + { CCI_REG8(0x0bb0), 0x07 }, + { CCI_REG8(0x0bb1), 0x3e }, + { CCI_REG8(0x0bb2), 0x00 }, + { CCI_REG8(0x0bb4), 0x00 }, + { CCI_REG8(0x0bb5), 0x06 }, + { CCI_REG8(0x0bb6), 0x00 }, + { CCI_REG8(0x0bb8), 0x0a }, + { CCI_REG8(0x0bb9), 0x1a }, + { CCI_REG8(0x0bba), 0x00 }, + { CCI_REG8(0x0bbc), 0x09 }, + { CCI_REG8(0x0bbd), 0x36 }, + { CCI_REG8(0x0bbe), 0x00 }, + { CCI_REG8(0x0bc0), 0x0e }, + { CCI_REG8(0x0bc1), 0x66 }, + { CCI_REG8(0x0bc2), 0x00 }, + { CCI_REG8(0x0bc4), 0x10 }, + { CCI_REG8(0x0bc5), 0x06 }, + { CCI_REG8(0x0bc6), 0x00 }, + { CCI_REG8(0x02c1), 0xe0 }, + { CCI_REG8(0x0207), 0x04 }, + { CCI_REG8(0x02c2), 0x10 }, + { CCI_REG8(0x02c3), 0x74 }, + { CCI_REG8(0x02c5), 0x09 }, + { CCI_REG8(0x02c1), 0xe0 }, + { CCI_REG8(0x0207), 0x04 }, + { CCI_REG8(0x02c2), 0x10 }, + { CCI_REG8(0x02c5), 0x09 }, + { CCI_REG8(0x02c1), 0xe0 }, + { CCI_REG8(0x0207), 0x04 }, + { CCI_REG8(0x02c2), 0x10 }, + { CCI_REG8(0x02c5), 0x09 }, + { CCI_REG8(0x0aa1), 0x15 }, + { CCI_REG8(0x0aa2), 0x50 }, + { CCI_REG8(0x0aa3), 0x00 }, + { CCI_REG8(0x0aa4), 0x09 }, + { CCI_REG8(0x0a90), 0x25 }, + { CCI_REG8(0x0a91), 0x0e }, + { CCI_REG8(0x0a94), 0x80 }, + + /* ISP */ + { CCI_REG8(0x0050), 0x00 }, + { CCI_REG8(0x0089), 0x83 }, + { CCI_REG8(0x005a), 0x40 }, + { CCI_REG8(0x00c3), 0x35 }, + { CCI_REG8(0x00c4), 0x80 }, + { CCI_REG8(0x0080), 0x10 }, + { CCI_REG8(0x0040), 0x12 }, + { CCI_REG8(0x0053), 0x0a }, + { CCI_REG8(0x0054), 0x44 }, + { CCI_REG8(0x0055), 0x32 }, + { CCI_REG8(0x0058), 0x89 }, + { CCI_REG8(0x004a), 0x03 }, + { CCI_REG8(0x0048), 0xf0 }, + { CCI_REG8(0x0049), 0x0f }, + { CCI_REG8(0x0041), 0x20 }, + { CCI_REG8(0x0043), 0x0a }, + { CCI_REG8(0x009d), 0x08 }, + { CCI_REG8(0x0236), 0x40 }, + { CCI_REG8(0x0204), 0x04 }, + { CCI_REG8(0x0205), 0x00 }, + { CCI_REG8(0x02b3), 0x00 }, + { CCI_REG8(0x02b4), 0x00 }, + { CCI_REG8(0x009e), 0x01 }, + { CCI_REG8(0x009f), 0x94 }, + + /* auto load REG */ + { CCI_REG8(0x0aa1), 0x10 }, + { CCI_REG8(0x0aa2), 0xf8 }, + { CCI_REG8(0x0aa3), 0x00 }, + { CCI_REG8(0x0aa4), 0x1f }, + { CCI_REG8(0x0a90), 0x11 }, + { CCI_REG8(0x0a91), 0x0e }, + { CCI_REG8(0x0a94), 0x80 }, + { CCI_REG8(0x03fe), 0x00 }, + { CCI_REG8(0x0a90), 0x00 }, + { CCI_REG8(0x0a70), 0x00 }, + { CCI_REG8(0x0a67), 0x00 }, + { CCI_REG8(0x0af4), 0x29 }, + + /* DPHY */ + { CCI_REG8(0x0d80), 0x07 }, + { CCI_REG8(0x0dd3), 0x18 }, + + /* CISCTL_Reset */ + { CCI_REG8(0x031c), 0x80 }, + { CCI_REG8(0x03fe), 0x30 }, + { CCI_REG8(0x0d17), 0x06 }, + { CCI_REG8(0x03fe), 0x00 }, + { CCI_REG8(0x0d17), 0x00 }, + { CCI_REG8(0x031c), 0x93 }, + { CCI_REG8(0x03fe), 0x00 }, + { CCI_REG8(0x031c), 0x80 }, + { CCI_REG8(0x03fe), 0x30 }, + { CCI_REG8(0x0d17), 0x06 }, + { CCI_REG8(0x03fe), 0x00 }, + { CCI_REG8(0x0d17), 0x00 }, + { CCI_REG8(0x031c), 0x93 }, +}; + +struct gc05a2_mode { + u32 width; + u32 height; + const struct gc05a2_reg_list reg_list; + + u32 hts; /* Horizontal timining size */ + u32 vts_def; /* Default vertical timining size */ + u32 vts_min; /* Min vertical timining size */ +}; + +/* Declare modes in order, from biggest to smallest height. */ +static const struct gc05a2_mode gc05a2_modes[] = { + { + /* 2592*1944@30fps */ + .width = GC05A2_NATIVE_WIDTH, + .height = GC05A2_NATIVE_HEIGHT, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_2592x1944), + .regs = mode_2592x1944, + }, + .hts = 3664, + .vts_def = 2032, + .vts_min = 2032, + }, + { + /* 1280*720@60fps */ + .width = 1280, + .height = 720, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_1280x720), + .regs = mode_1280x720, + }, + .hts = 3616, + .vts_def = 1032, + .vts_min = 1032, + }, +}; + +static inline struct gc05a2 *to_gc05a2(struct v4l2_subdev *sd) +{ + return container_of(sd, struct gc05a2, sd); +} + +static int gc05a2_power_on(struct device *dev) +{ + struct v4l2_subdev *sd = dev_get_drvdata(dev); + struct gc05a2 *gc05a2 = to_gc05a2(sd); + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(gc05a2_supply_name), + gc05a2->supplies); + if (ret < 0) { + dev_err(gc05a2->dev, "failed to enable regulators: %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(gc05a2->xclk); + if (ret < 0) { + regulator_bulk_disable(ARRAY_SIZE(gc05a2_supply_name), + gc05a2->supplies); + dev_err(gc05a2->dev, "clk prepare enable failed\n"); + return ret; + } + + fsleep(GC05A2_SLEEP_US); + + gpiod_set_value_cansleep(gc05a2->reset_gpio, 0); + fsleep(GC05A2_SLEEP_US); + + return 0; +} + +static int gc05a2_power_off(struct device *dev) +{ + struct v4l2_subdev *sd = dev_get_drvdata(dev); + struct gc05a2 *gc05a2 = to_gc05a2(sd); + + clk_disable_unprepare(gc05a2->xclk); + gpiod_set_value_cansleep(gc05a2->reset_gpio, 1); + regulator_bulk_disable(ARRAY_SIZE(gc05a2_supply_name), + gc05a2->supplies); + + return 0; +} + +static int gc05a2_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->index > 0) + return -EINVAL; + + code->code = GC05A2_MBUS_CODE; + + return 0; +} + +static int gc05a2_enum_frame_size(struct v4l2_subdev *subdev, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_frame_size_enum *fse) +{ + if (fse->code != GC05A2_MBUS_CODE) + return -EINVAL; + + if (fse->index >= ARRAY_SIZE(gc05a2_modes)) + return -EINVAL; + + fse->min_width = gc05a2_modes[fse->index].width; + fse->max_width = gc05a2_modes[fse->index].width; + fse->min_height = gc05a2_modes[fse->index].height; + fse->max_height = gc05a2_modes[fse->index].height; + + return 0; +} + +static int gc05a2_update_cur_mode_controls(struct gc05a2 *gc05a2, + const struct gc05a2_mode *mode) +{ + s64 exposure_max, h_blank; + int ret; + + ret = __v4l2_ctrl_modify_range(gc05a2->vblank, + mode->vts_min - mode->height, + GC05A2_VTS_MAX - mode->height, 1, + mode->vts_def - mode->height); + if (ret) { + dev_err(gc05a2->dev, "VB ctrl range update failed\n"); + return ret; + } + + h_blank = mode->hts - mode->width; + ret = __v4l2_ctrl_modify_range(gc05a2->hblank, h_blank, h_blank, 1, + h_blank); + if (ret) { + dev_err(gc05a2->dev, "HB ctrl range update failed\n"); + return ret; + } + + exposure_max = mode->vts_def - GC05A2_EXP_MARGIN; + ret = __v4l2_ctrl_modify_range(gc05a2->exposure, GC05A2_EXP_MIN, + exposure_max, GC05A2_EXP_STEP, + exposure_max); + if (ret) { + dev_err(gc05a2->dev, "exposure ctrl range update failed\n"); + return ret; + } + + return 0; +} + +static void gc05a2_update_pad_format(struct gc05a2 *gc08a3, + const struct gc05a2_mode *mode, + struct v4l2_mbus_framefmt *fmt) +{ + fmt->width = mode->width; + fmt->height = mode->height; + fmt->code = GC05A2_MBUS_CODE; + fmt->field = V4L2_FIELD_NONE; + fmt->colorspace = V4L2_COLORSPACE_RAW; + fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); + fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; + fmt->xfer_func = V4L2_XFER_FUNC_NONE; +} + +static int gc05a2_set_format(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + struct v4l2_subdev_format *fmt) +{ + struct gc05a2 *gc05a2 = to_gc05a2(sd); + struct v4l2_mbus_framefmt *mbus_fmt; + struct v4l2_rect *crop; + const struct gc05a2_mode *mode; + + mode = v4l2_find_nearest_size(gc05a2_modes, ARRAY_SIZE(gc05a2_modes), + width, height, fmt->format.width, + fmt->format.height); + + /* update crop info to subdev state */ + crop = v4l2_subdev_state_get_crop(state, 0); + crop->width = mode->width; + crop->height = mode->height; + + /* update fmt info to subdev state */ + gc05a2_update_pad_format(gc05a2, mode, &fmt->format); + mbus_fmt = v4l2_subdev_state_get_format(state, 0); + *mbus_fmt = fmt->format; + + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) + return 0; + gc05a2->cur_mode = mode; + gc05a2_update_cur_mode_controls(gc05a2, mode); + + return 0; +} + +static int gc05a2_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + struct v4l2_subdev_selection *sel) +{ + switch (sel->target) { + case V4L2_SEL_TGT_CROP_DEFAULT: + case V4L2_SEL_TGT_CROP: + sel->r = *v4l2_subdev_state_get_crop(state, 0); + break; + case V4L2_SEL_TGT_CROP_BOUNDS: + sel->r.top = 0; + sel->r.left = 0; + sel->r.width = GC05A2_NATIVE_WIDTH; + sel->r.height = GC05A2_NATIVE_HEIGHT; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int gc05a2_init_state(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state) +{ + struct v4l2_subdev_format fmt = { + .which = V4L2_SUBDEV_FORMAT_TRY, + .pad = 0, + .format = { + .code = GC05A2_MBUS_CODE, + .width = gc05a2_modes[0].width, + .height = gc05a2_modes[0].height, + }, + }; + + gc05a2_set_format(sd, state, &fmt); + + return 0; +} + +static int gc05a2_set_ctrl_hflip(struct gc05a2 *gc05a2, u32 ctrl_val) +{ + int ret; + u64 val; + + ret = cci_read(gc05a2->regmap, GC05A2_FLIP_REG, &val, NULL); + if (ret) { + dev_err(gc05a2->dev, "read hflip register failed: %d\n", ret); + return ret; + } + + return cci_update_bits(gc05a2->regmap, GC05A2_FLIP_REG, + GC05A2_FLIP_H_MASK, + ctrl_val ? GC05A2_FLIP_H_MASK : 0, NULL); +} + +static int gc05a2_set_ctrl_vflip(struct gc05a2 *gc05a2, u32 ctrl_val) +{ + int ret; + u64 val; + + ret = cci_read(gc05a2->regmap, GC05A2_FLIP_REG, &val, NULL); + if (ret) { + dev_err(gc05a2->dev, "read vflip register failed: %d\n", ret); + return ret; + } + + return cci_update_bits(gc05a2->regmap, GC05A2_FLIP_REG, + GC05A2_FLIP_V_MASK, + ctrl_val ? GC05A2_FLIP_V_MASK : 0, NULL); +} + +static int gc05a2_test_pattern(struct gc05a2 *gc05a2, u32 pattern_menu) +{ + u32 pattern; + int ret; + + if (pattern_menu) { + switch (pattern_menu) { + case 1: + case 2: + case 3: + case 4: + case 5: + case 6: + case 7: + pattern = pattern_menu << 4; + break; + + case 8: + pattern = 0; + break; + + case 9: + pattern = 4; + break; + + default: + /* Set pattern to 0, it's a safe default. */ + pattern = 0; + break; + } + + ret = cci_write(gc05a2->regmap, GC05A2_REG_TEST_PATTERN_IDX, + pattern, NULL); + if (ret) + return ret; + + return cci_write(gc05a2->regmap, GC05A2_REG_TEST_PATTERN_EN, + GC05A2_TEST_PATTERN_EN, NULL); + } else { + return cci_write(gc05a2->regmap, GC05A2_REG_TEST_PATTERN_EN, + 0x00, NULL); + } +} + +static int gc05a2_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gc05a2 *gc05a2 = + container_of(ctrl->handler, struct gc05a2, ctrls); + int ret = 0; + s64 exposure_max; + struct v4l2_subdev_state *state; + const struct v4l2_mbus_framefmt *format; + + state = v4l2_subdev_get_locked_active_state(&gc05a2->sd); + format = v4l2_subdev_state_get_format(state, 0); + + if (ctrl->id == V4L2_CID_VBLANK) { + /* Update max exposure while meeting expected vblanking */ + exposure_max = format->height + ctrl->val - GC05A2_EXP_MARGIN; + __v4l2_ctrl_modify_range(gc05a2->exposure, + gc05a2->exposure->minimum, + exposure_max, gc05a2->exposure->step, + exposure_max); + } + + /* + * Applying V4L2 control value only happens + * when power is on for streaming. + */ + if (!pm_runtime_get_if_active(gc05a2->dev)) + return 0; + + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + ret = cci_write(gc05a2->regmap, GC05A2_EXP_REG, + ctrl->val, NULL); + break; + + case V4L2_CID_ANALOGUE_GAIN: + ret = cci_write(gc05a2->regmap, GC05A2_AGAIN_REG, + ctrl->val, NULL); + break; + + case V4L2_CID_VBLANK: + ret = cci_write(gc05a2->regmap, GC05A2_FRAME_LENGTH_REG, + gc05a2->cur_mode->height + ctrl->val, NULL); + break; + + case V4L2_CID_HFLIP: + ret = gc05a2_set_ctrl_hflip(gc05a2, ctrl->val); + break; + + case V4L2_CID_VFLIP: + ret = gc05a2_set_ctrl_vflip(gc05a2, ctrl->val); + break; + + case V4L2_CID_TEST_PATTERN: + ret = gc05a2_test_pattern(gc05a2, ctrl->val); + break; + + default: + break; + } + + pm_runtime_put(gc05a2->dev); + + return ret; +} + +static const struct v4l2_ctrl_ops gc05a2_ctrl_ops = { + .s_ctrl = gc05a2_set_ctrl, +}; + +static int gc05a2_identify_module(struct gc05a2 *gc05a2) +{ + u64 val; + int ret; + + if (gc05a2->identified) + return 0; + + ret = cci_read(gc05a2->regmap, GC05A2_REG_CHIP_ID, &val, NULL); + if (ret) + return ret; + + if (val != GC05A2_CHIP_ID) { + dev_err(gc05a2->dev, "chip id mismatch: 0x%x!=0x%llx", + GC05A2_CHIP_ID, val); + return -ENXIO; + } + + gc05a2->identified = true; + + return 0; +} + +static int gc05a2_start_streaming(struct gc05a2 *gc05a2) +{ + const struct gc05a2_mode *mode; + const struct gc05a2_reg_list *reg_list; + int ret; + + ret = pm_runtime_resume_and_get(gc05a2->dev); + if (ret < 0) + return ret; + + ret = gc05a2_identify_module(gc05a2); + if (ret) + goto err_rpm_put; + + ret = cci_multi_reg_write(gc05a2->regmap, + mode_table_common, + ARRAY_SIZE(mode_table_common), NULL); + if (ret) + goto err_rpm_put; + + mode = gc05a2->cur_mode; + reg_list = &mode->reg_list; + + ret = cci_multi_reg_write(gc05a2->regmap, + reg_list->regs, reg_list->num_of_regs, NULL); + if (ret < 0) + goto err_rpm_put; + + ret = __v4l2_ctrl_handler_setup(&gc05a2->ctrls); + if (ret < 0) { + dev_err(gc05a2->dev, "could not sync v4l2 controls\n"); + goto err_rpm_put; + } + + ret = cci_write(gc05a2->regmap, GC05A2_STREAMING_REG, 1, NULL); + if (ret < 0) { + dev_err(gc05a2->dev, "write STREAMING_REG failed: %d\n", ret); + goto err_rpm_put; + } + + return 0; + +err_rpm_put: + pm_runtime_put(gc05a2->dev); + return ret; +} + +static int gc05a2_stop_streaming(struct gc05a2 *gc05a2) +{ + int ret; + + ret = cci_write(gc05a2->regmap, GC05A2_STREAMING_REG, 0, NULL); + if (ret < 0) + dev_err(gc05a2->dev, "could not sent stop streaming %d\n", ret); + + pm_runtime_put(gc05a2->dev); + return ret; +} + +static int gc05a2_s_stream(struct v4l2_subdev *subdev, int enable) +{ + struct gc05a2 *gc05a2 = to_gc05a2(subdev); + struct v4l2_subdev_state *state; + int ret; + + state = v4l2_subdev_lock_and_get_active_state(subdev); + + if (enable) + ret = gc05a2_start_streaming(gc05a2); + else + ret = gc05a2_stop_streaming(gc05a2); + + v4l2_subdev_unlock_state(state); + + return ret; +} + +static const struct v4l2_subdev_video_ops gc05a2_video_ops = { + .s_stream = gc05a2_s_stream, +}; + +static const struct v4l2_subdev_pad_ops gc05a2_subdev_pad_ops = { + .enum_mbus_code = gc05a2_enum_mbus_code, + .enum_frame_size = gc05a2_enum_frame_size, + .get_fmt = v4l2_subdev_get_fmt, + .set_fmt = gc05a2_set_format, + .get_selection = gc05a2_get_selection, +}; + +static const struct v4l2_subdev_core_ops gc05a2_core_ops = { + .subscribe_event = v4l2_ctrl_subdev_subscribe_event, + .unsubscribe_event = v4l2_event_subdev_unsubscribe, +}; + +static const struct v4l2_subdev_ops gc05a2_subdev_ops = { + .core = &gc05a2_core_ops, + .video = &gc05a2_video_ops, + .pad = &gc05a2_subdev_pad_ops, +}; + +static const struct v4l2_subdev_internal_ops gc05a2_internal_ops = { + .init_state = gc05a2_init_state, +}; + +static int gc05a2_get_regulators(struct device *dev, struct gc05a2 *gc05a2) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(gc05a2_supply_name); i++) + gc05a2->supplies[i].supply = gc05a2_supply_name[i]; + + return devm_regulator_bulk_get(dev, ARRAY_SIZE(gc05a2_supply_name), + gc05a2->supplies); +} + +static int gc05a2_parse_fwnode(struct gc05a2 *gc05a2) +{ + struct fwnode_handle *endpoint; + struct v4l2_fwnode_endpoint bus_cfg = { + .bus_type = V4L2_MBUS_CSI2_DPHY, + }; + int ret; + struct device *dev = gc05a2->dev; + + endpoint = + fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), 0, 0, + FWNODE_GRAPH_ENDPOINT_NEXT); + if (!endpoint) { + dev_err(dev, "endpoint node not found\n"); + return -EINVAL; + } + + ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &bus_cfg); + if (ret) { + dev_err(dev, "parsing endpoint node failed\n"); + goto done; + } + + ret = v4l2_link_freq_to_bitmap(dev, bus_cfg.link_frequencies, + bus_cfg.nr_of_link_frequencies, + gc05a2_link_freq_menu_items, + ARRAY_SIZE(gc05a2_link_freq_menu_items), + &gc05a2->link_freq_bitmap); + if (ret) + goto done; + +done: + v4l2_fwnode_endpoint_free(&bus_cfg); + fwnode_handle_put(endpoint); + return ret; +} + +static u64 gc05a2_to_pixel_rate(u32 f_index) +{ + u64 pixel_rate = + gc05a2_link_freq_menu_items[f_index] * 2 * GC05A2_DATA_LANES; + + return div_u64(pixel_rate, GC05A2_RGB_DEPTH); +} + +static int gc05a2_init_controls(struct gc05a2 *gc05a2) +{ + struct i2c_client *client = v4l2_get_subdevdata(&gc05a2->sd); + const struct gc05a2_mode *mode = &gc05a2_modes[0]; + const struct v4l2_ctrl_ops *ops = &gc05a2_ctrl_ops; + struct v4l2_fwnode_device_properties props; + struct v4l2_ctrl_handler *ctrl_hdlr; + s64 exposure_max, h_blank; + int ret; + + ctrl_hdlr = &gc05a2->ctrls; + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 9); + if (ret) + return ret; + + gc05a2->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + gc05a2->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + v4l2_ctrl_cluster(2, &gc05a2->hflip); + + gc05a2->link_freq = + v4l2_ctrl_new_int_menu(ctrl_hdlr, + &gc05a2_ctrl_ops, + V4L2_CID_LINK_FREQ, + ARRAY_SIZE(gc05a2_link_freq_menu_items) - 1, + 0, + gc05a2_link_freq_menu_items); + if (gc05a2->link_freq) + gc05a2->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + gc05a2->pixel_rate = + v4l2_ctrl_new_std(ctrl_hdlr, + &gc05a2_ctrl_ops, + V4L2_CID_PIXEL_RATE, 0, + gc05a2_to_pixel_rate(0), + 1, + gc05a2_to_pixel_rate(0)); + + gc05a2->vblank = + v4l2_ctrl_new_std(ctrl_hdlr, + &gc05a2_ctrl_ops, V4L2_CID_VBLANK, + mode->vts_min - mode->height, + GC05A2_VTS_MAX - mode->height, 1, + mode->vts_def - mode->height); + + h_blank = mode->hts - mode->width; + gc05a2->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, + V4L2_CID_HBLANK, h_blank, h_blank, 1, + h_blank); + if (gc05a2->hblank) + gc05a2->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, + V4L2_CID_ANALOGUE_GAIN, GC05A2_AGAIN_MIN, + GC05A2_AGAIN_MAX, GC05A2_AGAIN_STEP, + GC05A2_AGAIN_MIN); + + exposure_max = mode->vts_def - GC05A2_EXP_MARGIN; + gc05a2->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, + V4L2_CID_EXPOSURE, GC05A2_EXP_MIN, + exposure_max, GC05A2_EXP_STEP, + exposure_max); + + v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &gc05a2_ctrl_ops, + V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(gc05a2_test_pattern_menu) - 1, + 0, 0, gc05a2_test_pattern_menu); + + /* register properties to fwnode (e.g. rotation, orientation) */ + ret = v4l2_fwnode_device_parse(&client->dev, &props); + if (ret) + goto error_ctrls; + + ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, ops, &props); + if (ret) + goto error_ctrls; + + if (ctrl_hdlr->error) { + ret = ctrl_hdlr->error; + goto error_ctrls; + } + + gc05a2->sd.ctrl_handler = ctrl_hdlr; + + return 0; + +error_ctrls: + v4l2_ctrl_handler_free(ctrl_hdlr); + + return ret; +} + +static int gc05a2_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + struct gc05a2 *gc05a2; + int ret; + + gc05a2 = devm_kzalloc(dev, sizeof(*gc05a2), GFP_KERNEL); + if (!gc05a2) + return -ENOMEM; + + gc05a2->dev = dev; + + ret = gc05a2_parse_fwnode(gc05a2); + if (ret) + return ret; + + gc05a2->regmap = devm_cci_regmap_init_i2c(client, 16); + if (IS_ERR(gc05a2->regmap)) + return dev_err_probe(dev, PTR_ERR(gc05a2->regmap), + "failed to init CCI\n"); + + gc05a2->xclk = devm_clk_get(dev, NULL); + if (IS_ERR(gc05a2->xclk)) + return dev_err_probe(dev, PTR_ERR(gc05a2->xclk), + "failed to get xclk\n"); + + ret = clk_set_rate(gc05a2->xclk, GC05A2_DEFAULT_CLK_FREQ); + if (ret) + return dev_err_probe(dev, ret, + "failed to set xclk frequency\n"); + + ret = gc05a2_get_regulators(dev, gc05a2); + if (ret < 0) + return dev_err_probe(dev, ret, + "failed to get regulators\n"); + + gc05a2->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(gc05a2->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(gc05a2->reset_gpio), + "failed to get gpio\n"); + + v4l2_i2c_subdev_init(&gc05a2->sd, client, &gc05a2_subdev_ops); + gc05a2->sd.internal_ops = &gc05a2_internal_ops; + gc05a2->cur_mode = &gc05a2_modes[0]; + + ret = gc05a2_init_controls(gc05a2); + if (ret) + return dev_err_probe(dev, ret, + "failed to init controls\n"); + + gc05a2->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | + V4L2_SUBDEV_FL_HAS_EVENTS; + gc05a2->pad.flags = MEDIA_PAD_FL_SOURCE; + gc05a2->sd.dev = &client->dev; + gc05a2->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; + + ret = media_entity_pads_init(&gc05a2->sd.entity, 1, &gc05a2->pad); + if (ret < 0) { + dev_err(dev, "could not register media entity\n"); + goto err_v4l2_ctrl_handler_free; + } + + gc05a2->sd.state_lock = gc05a2->ctrls.lock; + ret = v4l2_subdev_init_finalize(&gc05a2->sd); + if (ret < 0) { + dev_err(dev, "v4l2 subdev init error: %d\n", ret); + goto err_media_entity_cleanup; + } + + pm_runtime_enable(gc05a2->dev); + pm_runtime_set_autosuspend_delay(gc05a2->dev, 1000); + pm_runtime_use_autosuspend(gc05a2->dev); + pm_runtime_idle(gc05a2->dev); + + ret = v4l2_async_register_subdev_sensor(&gc05a2->sd); + if (ret < 0) { + dev_err(dev, "could not register v4l2 device\n"); + goto err_rpm; + } + + return 0; + +err_rpm: + pm_runtime_disable(gc05a2->dev); + v4l2_subdev_cleanup(&gc05a2->sd); + +err_media_entity_cleanup: + media_entity_cleanup(&gc05a2->sd.entity); + +err_v4l2_ctrl_handler_free: + v4l2_ctrl_handler_free(&gc05a2->ctrls); + + return ret; +} + +static void gc05a2_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct gc05a2 *gc05a2 = to_gc05a2(sd); + + v4l2_async_unregister_subdev(&gc05a2->sd); + v4l2_subdev_cleanup(sd); + media_entity_cleanup(&gc05a2->sd.entity); + v4l2_ctrl_handler_free(&gc05a2->ctrls); + + pm_runtime_disable(&client->dev); + if (!pm_runtime_status_suspended(&client->dev)) + gc05a2_power_off(gc05a2->dev); + pm_runtime_set_suspended(&client->dev); +} + +static const struct of_device_id gc05a2_of_match[] = { + { .compatible = "galaxycore,gc05a2" }, + {} +}; +MODULE_DEVICE_TABLE(of, gc05a2_of_match); + +static DEFINE_RUNTIME_DEV_PM_OPS(gc05a2_pm_ops, + gc05a2_power_off, + gc05a2_power_on, + NULL); + +static struct i2c_driver gc05a2_i2c_driver = { + .driver = { + .of_match_table = gc05a2_of_match, + .pm = pm_ptr(&gc05a2_pm_ops), + .name = "gc05a2", + }, + .probe = gc05a2_probe, + .remove = gc05a2_remove, +}; +module_i2c_driver(gc05a2_i2c_driver); + +MODULE_DESCRIPTION("GalaxyCore gc05a2 Camera driver"); +MODULE_AUTHOR("Zhi Mao "); +MODULE_LICENSE("GPL"); From patchwork Wed Jun 5 10:55:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?WmhpIE1hbyAo5q+b5pm6KQ==?= X-Patchwork-Id: 13686624 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F0793C25B76 for ; Wed, 5 Jun 2024 10:57:23 +0000 (UTC) DKIM-Signature: v=1; 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Wed, 05 Jun 2024 03:56:59 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 5 Jun 2024 18:56:56 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 5 Jun 2024 18:56:55 +0800 From: Zhi Mao To: , , , CC: , , , , , , , , , , <10572168@qq.com>, , , , , , , , , , , , , , , , Subject: [PATCH v5 3/3] MAINTAINERS: Add entry for GC05A2 image sensor Date: Wed, 5 Jun 2024 18:55:40 +0800 Message-ID: <20240605105540.17937-4-zhi.mao@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240605105540.17937-1-zhi.mao@mediatek.com> References: <20240605105540.17937-1-zhi.mao@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240605_035706_826034_4578BD4D X-CRM114-Status: UNSURE ( 9.33 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add maintain entry for GC05A2 image sensor Signed-off-by: Zhi Mao --- MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index bb9f8077b37d..e2ef7a57c0e3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9099,6 +9099,13 @@ S: Maintained F: Documentation/devicetree/bindings/media/i2c/galaxycore,gc0308.yaml F: drivers/media/i2c/gc0308.c +GALAXYCORE GC05a2 CAMERA SENSOR DRIVER +M: Zhi Mao +L: linux-media@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/media/i2c/galaxycore,gc05a2.yaml +F: drivers/media/i2c/gc05a2.c + GALAXYCORE GC2145 SENSOR DRIVER M: Alain Volmat L: linux-media@vger.kernel.org