From patchwork Wed Jun 14 19:23:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 13280414 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64CF9EB64D9 for ; Wed, 14 Jun 2023 19:26:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236287AbjFNT0n (ORCPT ); Wed, 14 Jun 2023 15:26:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236569AbjFNTY7 (ORCPT ); Wed, 14 Jun 2023 15:24:59 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87FA726A2 for ; Wed, 14 Jun 2023 12:24:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1686770640; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gb1wxmWEOgKF03Gzib+HDaHFbgqSt1+pwVjc3vjJIPc=; b=BwzPEm0XX1SaIqYw5wO8ueD3hvhDSg9id23h44t9LhRb3ufSOwqNKZ0v1W4Bmas5q+s72P UZSQuAVhHujbmT+MEpyT9sSUSq6f2N2EanD4TfJHVDuUwoOy+uLSk13suXXUu9ODHe6u2I yo0/slSawYRP/s0bV7TSSRxa7sN/GOI= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-302-l_VBz7eLNIyl2_KRU-BvVQ-1; Wed, 14 Jun 2023 15:23:57 -0400 X-MC-Unique: l_VBz7eLNIyl2_KRU-BvVQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A30B885A5A6; Wed, 14 Jun 2023 19:23:56 +0000 (UTC) Received: from localhost.localdomain (unknown [10.39.192.46]) by smtp.corp.redhat.com (Postfix) with ESMTP id A74451415102; Wed, 14 Jun 2023 19:23:55 +0000 (UTC) From: Hans de Goede To: Sakari Ailus , Laurent Pinchart Cc: Hans de Goede , Mauro Carvalho Chehab , Andy Shevchenko , Kate Hsuan , linux-media@vger.kernel.org Subject: [PATCH v2 5/5] media: Remove ov_16bit_addr_reg_helpers.h Date: Wed, 14 Jun 2023 21:23:43 +0200 Message-Id: <20230614192343.57280-6-hdegoede@redhat.com> In-Reply-To: <20230614192343.57280-1-hdegoede@redhat.com> References: <20230614192343.57280-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The helpers in this header are not used anywhere anymore, they have been superseded by the new CCI register access helpers. Reviewed-by: Laurent Pinchart Signed-off-by: Hans de Goede Reviewed-by: Andy Shevchenko --- include/media/ov_16bit_addr_reg_helpers.h | 92 ----------------------- 1 file changed, 92 deletions(-) delete mode 100644 include/media/ov_16bit_addr_reg_helpers.h diff --git a/include/media/ov_16bit_addr_reg_helpers.h b/include/media/ov_16bit_addr_reg_helpers.h deleted file mode 100644 index 1c60a50bd795..000000000000 --- a/include/media/ov_16bit_addr_reg_helpers.h +++ /dev/null @@ -1,92 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * I2C register access helpers for Omnivision OVxxxx image sensors which expect - * a 16 bit register address in big-endian format and which have 1-3 byte - * wide registers, in big-endian format (for the higher width registers). - * - * Based on the register helpers from drivers/media/i2c/ov2680.c which is: - * Copyright (C) 2018 Linaro Ltd - */ -#ifndef __OV_16BIT_ADDR_REG_HELPERS_H -#define __OV_16BIT_ADDR_REG_HELPERS_H - -#include -#include -#include - -static inline int ov_read_reg(struct i2c_client *client, u16 reg, - unsigned int len, u32 *val) -{ - u8 addr_buf[2], data_buf[4] = { }; - struct i2c_msg msgs[2]; - int ret; - - if (len > 4) - return -EINVAL; - - put_unaligned_be16(reg, addr_buf); - - msgs[0].addr = client->addr; - msgs[0].flags = 0; - msgs[0].len = ARRAY_SIZE(addr_buf); - msgs[0].buf = addr_buf; - - msgs[1].addr = client->addr; - msgs[1].flags = I2C_M_RD; - msgs[1].len = len; - msgs[1].buf = &data_buf[4 - len]; - - ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); - if (ret != ARRAY_SIZE(msgs)) { - dev_err(&client->dev, "read error: reg=0x%4x: %d\n", reg, ret); - return -EIO; - } - - *val = get_unaligned_be32(data_buf); - - return 0; -} - -#define ov_read_reg8(s, r, v) ov_read_reg(s, r, 1, v) -#define ov_read_reg16(s, r, v) ov_read_reg(s, r, 2, v) -#define ov_read_reg24(s, r, v) ov_read_reg(s, r, 3, v) - -static inline int ov_write_reg(struct i2c_client *client, u16 reg, - unsigned int len, u32 val) -{ - u8 buf[6]; - int ret; - - if (len > 4) - return -EINVAL; - - put_unaligned_be16(reg, buf); - put_unaligned_be32(val << (8 * (4 - len)), buf + 2); - ret = i2c_master_send(client, buf, len + 2); - if (ret != len + 2) { - dev_err(&client->dev, "write error: reg=0x%4x: %d\n", reg, ret); - return -EIO; - } - - return 0; -} - -#define ov_write_reg8(s, r, v) ov_write_reg(s, r, 1, v) -#define ov_write_reg16(s, r, v) ov_write_reg(s, r, 2, v) -#define ov_write_reg24(s, r, v) ov_write_reg(s, r, 3, v) - -static inline int ov_update_reg(struct i2c_client *client, u16 reg, u8 mask, u8 val) -{ - u32 readval; - int ret; - - ret = ov_read_reg8(client, reg, &readval); - if (ret < 0) - return ret; - - val = (readval & ~mask) | (val & mask); - - return ov_write_reg8(client, reg, val); -} - -#endif