From patchwork Wed Jan 20 14:25:42 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 12032709 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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 71FBBC433DB for ; Wed, 20 Jan 2021 15:38:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F52023381 for ; Wed, 20 Jan 2021 15:38:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388309AbhATOwD (ORCPT ); Wed, 20 Jan 2021 09:52:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:39830 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390616AbhATO0g (ORCPT ); Wed, 20 Jan 2021 09:26:36 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id B1AB62336E; Wed, 20 Jan 2021 14:25:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611152755; bh=ON2rflmebL8aZAsHriEzwuZslMkKyIGQ7jCe85HPNdA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ccwH8Q7S8+n1vAvp08l80sx69KzIa/Gi0p4Bh6dWrZb5YvOwa+CVbARCWBix6oo3z +0xMO6ipL601dcFv/rcVQgnEFZz/XN6SfGPbEOiLphKi/Dd3+S7LZcI2arxHCNUqvd 164oSEow3vpx0xKlGwjOJvBDCciidWRH+OXZzTWlFHcz91IdFa7QzdDTIdJtO9NGgX 0UXiIazmylvx6Q0DpuqoBXF1ZIfrk/RKFVKAZV0Y9S3VS1VVhVGHZQU1dTC2mZq2wv PQiw9fYimq/tapU1tDyqjnz+pF3RMumF+fjK/UBO4F27fVHAV5LDgzN+ntCB1WWGmc uAhpnO7ScMZRA== From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Sean Young Cc: Arnd Bergmann , Jun Nie , Shawn Guo Subject: [PATCH 2/2] media: rc: remove zte zx ir driver Date: Wed, 20 Jan 2021 15:25:42 +0100 Message-Id: <20210120142542.4100741-3-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210120142542.4100741-1-arnd@kernel.org> References: <20210120142542.4100741-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Arnd Bergmann The zte zx platform is getting removed, so this driver is no longer needed. Cc: Jun Nie Cc: Shawn Guo Signed-off-by: Arnd Bergmann --- .../devicetree/bindings/media/zx-irdec.txt | 14 -- drivers/media/rc/Kconfig | 11 -- drivers/media/rc/Makefile | 1 - drivers/media/rc/zx-irdec.c | 181 ------------------ 4 files changed, 207 deletions(-) delete mode 100644 Documentation/devicetree/bindings/media/zx-irdec.txt delete mode 100644 drivers/media/rc/zx-irdec.c diff --git a/Documentation/devicetree/bindings/media/zx-irdec.txt b/Documentation/devicetree/bindings/media/zx-irdec.txt deleted file mode 100644 index 295b9fab593e..000000000000 --- a/Documentation/devicetree/bindings/media/zx-irdec.txt +++ /dev/null @@ -1,14 +0,0 @@ -IR Decoder (IRDEC) on ZTE ZX family SoCs - -Required properties: - - compatible: Should be "zte,zx296718-irdec". - - reg: Physical base address and length of IRDEC registers. - - interrupts: Interrupt number of IRDEC. - -Exmaples: - - irdec: ir-decoder@111000 { - compatible = "zte,zx296718-irdec"; - reg = <0x111000 0x1000>; - interrupts = ; - }; diff --git a/drivers/media/rc/Kconfig b/drivers/media/rc/Kconfig index 39bc75cc1848..afeef7d99a5a 100644 --- a/drivers/media/rc/Kconfig +++ b/drivers/media/rc/Kconfig @@ -509,17 +509,6 @@ config RC_XBOX_DVD To compile this driver as a module, choose M here: the module will be called xbox_remote. -config IR_ZX - tristate "ZTE ZX IR remote control" - depends on RC_CORE - depends on ARCH_ZX || COMPILE_TEST - help - Say Y if you want to use the IR remote control available - on ZTE ZX family SoCs. - - To compile this driver as a module, choose M here: the - module will be called zx-irdec. - config IR_TOY tristate "Infrared Toy and IR Droid" depends on RC_CORE diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile index f46a72071a7b..23eb7d43d2ff 100644 --- a/drivers/media/rc/Makefile +++ b/drivers/media/rc/Makefile @@ -47,6 +47,5 @@ obj-$(CONFIG_IR_IMG) += img-ir/ obj-$(CONFIG_IR_SERIAL) += serial_ir.o obj-$(CONFIG_IR_SIR) += sir_ir.o obj-$(CONFIG_IR_MTK) += mtk-cir.o -obj-$(CONFIG_IR_ZX) += zx-irdec.o obj-$(CONFIG_RC_XBOX_DVD) += xbox_remote.o obj-$(CONFIG_IR_TOY) += ir_toy.o diff --git a/drivers/media/rc/zx-irdec.c b/drivers/media/rc/zx-irdec.c deleted file mode 100644 index 948ad90ae5d8..000000000000 --- a/drivers/media/rc/zx-irdec.c +++ /dev/null @@ -1,181 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2017 Sanechips Technology Co., Ltd. - * Copyright 2017 Linaro Ltd. - */ - -#include -#include -#include -#include -#include -#include -#include - -#include - -#define DRIVER_NAME "zx-irdec" - -#define ZX_IR_ENABLE 0x04 -#define ZX_IREN BIT(0) -#define ZX_IR_CTRL 0x08 -#define ZX_DEGL_MASK GENMASK(21, 20) -#define ZX_DEGL_VALUE(x) (((x) << 20) & ZX_DEGL_MASK) -#define ZX_WDBEGIN_MASK GENMASK(18, 8) -#define ZX_WDBEGIN_VALUE(x) (((x) << 8) & ZX_WDBEGIN_MASK) -#define ZX_IR_INTEN 0x10 -#define ZX_IR_INTSTCLR 0x14 -#define ZX_IR_CODE 0x30 -#define ZX_IR_CNUM 0x34 -#define ZX_NECRPT BIT(16) - -struct zx_irdec { - void __iomem *base; - struct rc_dev *rcd; -}; - -static void zx_irdec_set_mask(struct zx_irdec *irdec, unsigned int reg, - u32 mask, u32 value) -{ - u32 data; - - data = readl(irdec->base + reg); - data &= ~mask; - data |= value & mask; - writel(data, irdec->base + reg); -} - -static irqreturn_t zx_irdec_irq(int irq, void *dev_id) -{ - struct zx_irdec *irdec = dev_id; - u8 address, not_address; - u8 command, not_command; - u32 rawcode, scancode; - enum rc_proto rc_proto; - - /* Clear interrupt */ - writel(1, irdec->base + ZX_IR_INTSTCLR); - - /* Check repeat frame */ - if (readl(irdec->base + ZX_IR_CNUM) & ZX_NECRPT) { - rc_repeat(irdec->rcd); - goto done; - } - - rawcode = readl(irdec->base + ZX_IR_CODE); - not_command = (rawcode >> 24) & 0xff; - command = (rawcode >> 16) & 0xff; - not_address = (rawcode >> 8) & 0xff; - address = rawcode & 0xff; - - scancode = ir_nec_bytes_to_scancode(address, not_address, - command, not_command, - &rc_proto); - rc_keydown(irdec->rcd, rc_proto, scancode, 0); - -done: - return IRQ_HANDLED; -} - -static int zx_irdec_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - struct zx_irdec *irdec; - struct resource *res; - struct rc_dev *rcd; - int irq; - int ret; - - irdec = devm_kzalloc(dev, sizeof(*irdec), GFP_KERNEL); - if (!irdec) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - irdec->base = devm_ioremap_resource(dev, res); - if (IS_ERR(irdec->base)) - return PTR_ERR(irdec->base); - - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - rcd = devm_rc_allocate_device(dev, RC_DRIVER_SCANCODE); - if (!rcd) { - dev_err(dev, "failed to allocate rc device\n"); - return -ENOMEM; - } - - irdec->rcd = rcd; - - rcd->priv = irdec; - rcd->input_phys = DRIVER_NAME "/input0"; - rcd->input_id.bustype = BUS_HOST; - rcd->map_name = RC_MAP_ZX_IRDEC; - rcd->allowed_protocols = RC_PROTO_BIT_NEC | RC_PROTO_BIT_NECX | - RC_PROTO_BIT_NEC32; - rcd->driver_name = DRIVER_NAME; - rcd->device_name = DRIVER_NAME; - - platform_set_drvdata(pdev, irdec); - - ret = devm_rc_register_device(dev, rcd); - if (ret) { - dev_err(dev, "failed to register rc device\n"); - return ret; - } - - ret = devm_request_irq(dev, irq, zx_irdec_irq, 0, NULL, irdec); - if (ret) { - dev_err(dev, "failed to request irq\n"); - return ret; - } - - /* - * Initialize deglitch level and watchdog counter beginner as - * recommended by vendor BSP code. - */ - zx_irdec_set_mask(irdec, ZX_IR_CTRL, ZX_DEGL_MASK, ZX_DEGL_VALUE(0)); - zx_irdec_set_mask(irdec, ZX_IR_CTRL, ZX_WDBEGIN_MASK, - ZX_WDBEGIN_VALUE(0x21c)); - - /* Enable interrupt */ - writel(1, irdec->base + ZX_IR_INTEN); - - /* Enable the decoder */ - zx_irdec_set_mask(irdec, ZX_IR_ENABLE, ZX_IREN, ZX_IREN); - - return 0; -} - -static int zx_irdec_remove(struct platform_device *pdev) -{ - struct zx_irdec *irdec = platform_get_drvdata(pdev); - - /* Disable the decoder */ - zx_irdec_set_mask(irdec, ZX_IR_ENABLE, ZX_IREN, 0); - - /* Disable interrupt */ - writel(0, irdec->base + ZX_IR_INTEN); - - return 0; -} - -static const struct of_device_id zx_irdec_match[] = { - { .compatible = "zte,zx296718-irdec" }, - { }, -}; -MODULE_DEVICE_TABLE(of, zx_irdec_match); - -static struct platform_driver zx_irdec_driver = { - .probe = zx_irdec_probe, - .remove = zx_irdec_remove, - .driver = { - .name = DRIVER_NAME, - .of_match_table = zx_irdec_match, - }, -}; -module_platform_driver(zx_irdec_driver); - -MODULE_DESCRIPTION("ZTE ZX IR remote control driver"); -MODULE_AUTHOR("Shawn Guo "); -MODULE_LICENSE("GPL v2");