From patchwork Mon Jul 3 09:16:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugues FRUCHET X-Patchwork-Id: 9822319 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CCCFE60246 for ; Mon, 3 Jul 2017 09:17:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BE1B0201A4 for ; Mon, 3 Jul 2017 09:17:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B1FFC251F4; Mon, 3 Jul 2017 09:17:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1B5B5201A4 for ; Mon, 3 Jul 2017 09:17:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=NdSnGJWiX5rT5mZcVo/8MG0J36OYqgyIKsiJmzDTA4o=; b=r43yyLnGmliLGC q+n+vzx2+x7jCw1YUiKhksWopCll3DLTHfqHPr9qRL3R/dckFCLHZ5bgu23DaB/ZG+nENdjslgdHo /5jQozcZZ3OElykuZ5K+dT/BTPZhVE0bFUFfA93f5steAqo/sdE8nNyEwwMAp30C10v0o3SKG3F/7 XGYGW6bf/AN0ozUz3qKsDYOanz5zLRygdIrcGBsduNVzWAX3PTWyo+i7Ne6+dFODgXeHpNQAULOjJ 4lzXr2btf8O5btXnzYGxw+xxBDv/p/DKuZXLwG3kuBSC/rkokBU6lsqoGlz7EY3V5hiFEIoIEV8Tm aq9mO5s2zVonnQ2wqGgg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dRxUI-0007vA-Er; Mon, 03 Jul 2017 09:17:46 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dRxTX-0006Wq-6e for linux-arm-kernel@lists.infradead.org; Mon, 03 Jul 2017 09:17:01 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v639GWcD009882; Mon, 3 Jul 2017 11:16:32 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-.pphosted.com with ESMTP id 2be0v3b50v-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 03 Jul 2017 11:16:32 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 4790549; Mon, 3 Jul 2017 09:16:26 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 169F8148C; Mon, 3 Jul 2017 09:16:26 +0000 (GMT) Received: from localhost (10.201.23.73) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.339.0; Mon, 3 Jul 2017 11:16:25 +0200 From: Hugues Fruchet To: Sylwester Nawrocki , " H. Nikolaus Schaller" , Guennadi Liakhovetski , Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , Mauro Carvalho Chehab , Hans Verkuil Subject: [PATCH v2 4/7] [media] ov9650: use write_array() for resolution sequences Date: Mon, 3 Jul 2017 11:16:05 +0200 Message-ID: <1499073368-31905-5-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1499073368-31905-1-git-send-email-hugues.fruchet@st.com> References: <1499073368-31905-1-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.73] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-07-03_06:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170703_021659_595410_E736B7A8 X-CRM114-Status: GOOD ( 12.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yannick Fertre , Benjamin Gaignard , Hugues Fruchet , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Align resolution sequences on initialization sequence using i2c_rv structure NULL terminated .This add flexibility on resolution sequence size. Document resolution related registers by using corresponding define instead of hexa address/value. Signed-off-by: Hugues Fruchet --- drivers/media/i2c/ov9650.c | 88 +++++++++++++++++++++++++++++++--------------- 1 file changed, 59 insertions(+), 29 deletions(-) diff --git a/drivers/media/i2c/ov9650.c b/drivers/media/i2c/ov9650.c index 7e9a902..db96698 100644 --- a/drivers/media/i2c/ov9650.c +++ b/drivers/media/i2c/ov9650.c @@ -227,11 +227,16 @@ struct ov965x_ctrls { u8 update; }; +struct i2c_rv { + u8 addr; + u8 value; +}; + struct ov965x_framesize { u16 width; u16 height; u16 max_exp_lines; - const u8 *regs; + const struct i2c_rv *regs; }; struct ov965x_interval { @@ -280,11 +285,6 @@ struct ov965x { u8 apply_frame_fmt; }; -struct i2c_rv { - u8 addr; - u8 value; -}; - static const struct i2c_rv ov965x_init_regs[] = { { REG_COM2, 0x10 }, /* Set soft sleep mode */ { REG_COM5, 0x00 }, /* System clock options */ @@ -342,30 +342,59 @@ struct i2c_rv { { REG_NULL, 0 } }; -#define NUM_FMT_REGS 14 -/* - * COM7, COM3, COM4, HSTART, HSTOP, HREF, VSTART, VSTOP, VREF, - * EXHCH, EXHCL, ADC, OCOM, OFON - */ -static const u8 frame_size_reg_addr[NUM_FMT_REGS] = { - 0x12, 0x0c, 0x0d, 0x17, 0x18, 0x32, 0x19, 0x1a, 0x03, - 0x2a, 0x2b, 0x37, 0x38, 0x39, -}; - -static const u8 ov965x_sxga_regs[NUM_FMT_REGS] = { - 0x00, 0x00, 0x00, 0x1e, 0xbe, 0xbf, 0x01, 0x81, 0x12, - 0x10, 0x34, 0x81, 0x93, 0x51, +static const struct i2c_rv ov965x_sxga_regs[] = { + { REG_COM7, 0x00 }, + { REG_COM3, 0x00 }, + { REG_COM4, 0x00 }, + { REG_HSTART, 0x1e }, + { REG_HSTOP, 0xbe }, + { 0x32, 0xbf }, + { REG_VSTART, 0x01 }, + { REG_VSTOP, 0x81 }, + { REG_VREF, 0x12 }, + { REG_EXHCH, 0x10 }, + { REG_EXHCL, 0x34 }, + { REG_ADC, 0x81 }, + { REG_ACOM, 0x93 }, + { REG_OFON, 0x51 }, + { REG_NULL, 0 }, }; -static const u8 ov965x_vga_regs[NUM_FMT_REGS] = { - 0x40, 0x04, 0x80, 0x26, 0xc6, 0xed, 0x01, 0x3d, 0x00, - 0x10, 0x40, 0x91, 0x12, 0x43, +static const struct i2c_rv ov965x_vga_regs[] = { + { REG_COM7, 0x40 }, + { REG_COM3, 0x04 }, + { REG_COM4, 0x80 }, + { REG_HSTART, 0x26 }, + { REG_HSTOP, 0xc6 }, + { 0x32, 0xed }, + { REG_VSTART, 0x01 }, + { REG_VSTOP, 0x3d }, + { REG_VREF, 0x00 }, + { REG_EXHCH, 0x10 }, + { REG_EXHCL, 0x40 }, + { REG_ADC, 0x91 }, + { REG_ACOM, 0x12 }, + { REG_OFON, 0x43 }, + { REG_NULL, 0 }, }; /* Determined empirically. */ -static const u8 ov965x_qvga_regs[NUM_FMT_REGS] = { - 0x10, 0x04, 0x80, 0x25, 0xc5, 0xbf, 0x00, 0x80, 0x12, - 0x10, 0x40, 0x91, 0x12, 0x43, +static const struct i2c_rv ov965x_qvga_regs[] = { + { REG_COM7, 0x10 }, + { REG_COM3, 0x04 }, + { REG_COM4, 0x80 }, + { REG_HSTART, 0x25 }, + { REG_HSTOP, 0xc5 }, + { 0x32, 0xbf }, + { REG_VSTART, 0x00 }, + { REG_VSTOP, 0x80 }, + { REG_VREF, 0x12 }, + { REG_EXHCH, 0x10 }, + { REG_EXHCL, 0x40 }, + { REG_ADC, 0x91 }, + { REG_ACOM, 0x12 }, + { REG_OFON, 0x43 }, + { REG_NULL, 0 }, }; static const struct ov965x_framesize ov965x_framesizes[] = { @@ -1266,11 +1295,12 @@ static int ov965x_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config static int ov965x_set_frame_size(struct ov965x *ov965x) { - int i, ret = 0; + int ret = 0; + + v4l2_dbg(1, debug, ov965x->client, "%s\n", __func__); - for (i = 0; ret == 0 && i < NUM_FMT_REGS; i++) - ret = ov965x_write(ov965x->client, frame_size_reg_addr[i], - ov965x->frame_size->regs[i]); + ret = ov965x_write_array(ov965x->client, + ov965x->frame_size->regs); return ret; }