From patchwork Mon Jan 23 12:51:37 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: 13112116 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 117ACC05027 for ; Mon, 23 Jan 2023 12:54:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231955AbjAWMyt (ORCPT ); Mon, 23 Jan 2023 07:54:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231954AbjAWMyr (ORCPT ); Mon, 23 Jan 2023 07:54:47 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B05CE12050 for ; Mon, 23 Jan 2023 04:53:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1674478426; 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=jQGUSRc1TGI/z45uJFQGi4RPaEtOjO/rF6Lql3jYyhs=; b=Ao6rnRcHERTBidvyLSbM/QAXLtn8uTTNg6A1Mr7SzEir2Hz2D79J95KTkPQM5O+/XtQfhx Ztv1J29otNqP9/tuv0vwGX7gbpw/Er/mYkNSRB5QHak0OjPM6YH+zA0tngSatsBP0erWw0 MiIDhXj6RXA4YVnGUQTE0SfgS+EI9zQ= 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-79-Wm6gSNiPPOazvUHGzpKe7g-1; Mon, 23 Jan 2023 07:53:38 -0500 X-MC-Unique: Wm6gSNiPPOazvUHGzpKe7g-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 0084518E0045; Mon, 23 Jan 2023 12:53:38 +0000 (UTC) Received: from x1.localdomain.com (unknown [10.39.194.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id D7926C15BA0; Mon, 23 Jan 2023 12:53:32 +0000 (UTC) From: Hans de Goede To: Mauro Carvalho Chehab , Sakari Ailus Cc: Hans de Goede , Tsuchiya Yuto , Andy Shevchenko , Yury Luneff , Nable , andrey.i.trufanov@gmail.com, Fabio Aiuto , linux-media@vger.kernel.org, linux-staging@lists.linux.dev Subject: [PATCH 29/57] media: atomisp: ov2680: Use the new ovxxxx_16bit_addr_reg_helpers.h Date: Mon, 23 Jan 2023 13:51:37 +0100 Message-Id: <20230123125205.622152-30-hdegoede@redhat.com> In-Reply-To: <20230123125205.622152-1-hdegoede@redhat.com> References: <20230123125205.622152-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use the new ovxxxx_16bit_addr_reg_helpers.h instead of duplicating the ovxxxx sensor I2C register access helpers found in many different sensor drivers. Signed-off-by: Hans de Goede --- .../media/atomisp/i2c/atomisp-ov2680.c | 122 ++++-------------- drivers/staging/media/atomisp/i2c/ov2680.h | 4 - 2 files changed, 25 insertions(+), 101 deletions(-) diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c index 88fdeb828c6c..85b9410f655e 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2680.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -46,64 +47,6 @@ static enum atomisp_bayer_order ov2680_bayer_order_mapping[] = { atomisp_bayer_order_rggb, }; -/* i2c read/write stuff */ -static int ov2680_read_reg(struct i2c_client *client, - int len, u16 reg, u32 *val) -{ - struct i2c_msg msgs[2]; - u8 addr_buf[2] = { reg >> 8, reg & 0xff }; - u8 data_buf[4] = { 0, }; - int ret; - - if (len > 4) - return -EINVAL; - - 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; -} - -static int ov2680_write_reg(struct i2c_client *client, unsigned int len, - u16 reg, u16 val) -{ - u8 buf[6]; - int ret; - - if (len == 2) - put_unaligned_be16(val, buf + 2); - else if (len == 1) - buf[2] = val; - else - return -EINVAL; - - put_unaligned_be16(reg, buf); - - ret = i2c_master_send(client, buf, len + 2); - if (ret != len + 2) { - dev_err(&client->dev, "write error %d reg 0x%04x, val 0x%02x: buf sent: %*ph\n", - ret, reg, val, len + 2, &buf); - return -EIO; - } - - return 0; -} - static int ov2680_write_reg_array(struct i2c_client *client, const struct ov2680_reg *reglist) { @@ -111,7 +54,7 @@ static int ov2680_write_reg_array(struct i2c_client *client, int ret; for (; next->reg != 0; next++) { - ret = ov2680_write_reg(client, 1, next->reg, next->val); + ret = ovxxxx_write_reg8(client, next->reg, next->val); if (ret) return ret; } @@ -135,8 +78,7 @@ static long __ov2680_set_exposure(struct v4l2_subdev *sd, int coarse_itg, vts = dev->res->lines_per_frame; /* group hold */ - ret = ov2680_write_reg(client, 1, - OV2680_GROUP_ACCESS, 0x00); + ret = ovxxxx_write_reg8(client, OV2680_GROUP_ACCESS, 0x00); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", __func__, OV2680_GROUP_ACCESS); @@ -147,7 +89,7 @@ static long __ov2680_set_exposure(struct v4l2_subdev *sd, int coarse_itg, if (coarse_itg > vts - OV2680_INTEGRATION_TIME_MARGIN) vts = (u16)coarse_itg + OV2680_INTEGRATION_TIME_MARGIN; - ret = ov2680_write_reg(client, 2, OV2680_TIMING_VTS_H, vts); + ret = ovxxxx_write_reg16(client, OV2680_TIMING_VTS_H, vts); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", __func__, OV2680_TIMING_VTS_H); @@ -158,24 +100,21 @@ static long __ov2680_set_exposure(struct v4l2_subdev *sd, int coarse_itg, /* Lower four bit should be 0*/ exp_val = coarse_itg << 4; - ret = ov2680_write_reg(client, 1, - OV2680_EXPOSURE_L, exp_val & 0xFF); + ret = ovxxxx_write_reg8(client, OV2680_EXPOSURE_L, exp_val & 0xFF); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", __func__, OV2680_EXPOSURE_L); return ret; } - ret = ov2680_write_reg(client, 1, - OV2680_EXPOSURE_M, (exp_val >> 8) & 0xFF); + ret = ovxxxx_write_reg8(client, OV2680_EXPOSURE_M, (exp_val >> 8) & 0xFF); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", __func__, OV2680_EXPOSURE_M); return ret; } - ret = ov2680_write_reg(client, 1, - OV2680_EXPOSURE_H, (exp_val >> 16) & 0x0F); + ret = ovxxxx_write_reg8(client, OV2680_EXPOSURE_H, (exp_val >> 16) & 0x0F); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", __func__, OV2680_EXPOSURE_H); @@ -183,7 +122,7 @@ static long __ov2680_set_exposure(struct v4l2_subdev *sd, int coarse_itg, } /* Analog gain */ - ret = ov2680_write_reg(client, 2, OV2680_AGC_H, gain); + ret = ovxxxx_write_reg16(client, OV2680_AGC_H, gain); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", __func__, OV2680_AGC_H); @@ -191,8 +130,7 @@ static long __ov2680_set_exposure(struct v4l2_subdev *sd, int coarse_itg, } /* Digital gain */ if (digitgain) { - ret = ov2680_write_reg(client, 2, - OV2680_MWB_RED_GAIN_H, digitgain); + ret = ovxxxx_write_reg16(client, OV2680_MWB_RED_GAIN_H, digitgain); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", @@ -200,8 +138,7 @@ static long __ov2680_set_exposure(struct v4l2_subdev *sd, int coarse_itg, return ret; } - ret = ov2680_write_reg(client, 2, - OV2680_MWB_GREEN_GAIN_H, digitgain); + ret = ovxxxx_write_reg16(client, OV2680_MWB_GREEN_GAIN_H, digitgain); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", @@ -209,8 +146,7 @@ static long __ov2680_set_exposure(struct v4l2_subdev *sd, int coarse_itg, return ret; } - ret = ov2680_write_reg(client, 2, - OV2680_MWB_BLUE_GAIN_H, digitgain); + ret = ovxxxx_write_reg16(client, OV2680_MWB_BLUE_GAIN_H, digitgain); if (ret) { dev_err(&client->dev, "%s: write 0x%02x: error, aborted\n", @@ -220,14 +156,12 @@ static long __ov2680_set_exposure(struct v4l2_subdev *sd, int coarse_itg, } /* End group */ - ret = ov2680_write_reg(client, 1, - OV2680_GROUP_ACCESS, 0x10); + ret = ovxxxx_write_reg8(client, OV2680_GROUP_ACCESS, 0x10); if (ret) return ret; /* Delay launch group */ - ret = ov2680_write_reg(client, 1, - OV2680_GROUP_ACCESS, 0xa0); + ret = ovxxxx_write_reg8(client, OV2680_GROUP_ACCESS, 0xa0); if (ret) return ret; return ret; @@ -294,7 +228,7 @@ static int ov2680_q_exposure(struct v4l2_subdev *sd, s32 *value) int ret; /* get exposure */ - ret = ov2680_read_reg(client, 3, OV2680_EXPOSURE_H, ®_val); + ret = ovxxxx_read_reg24(client, OV2680_EXPOSURE_H, ®_val); if (ret) return ret; @@ -312,7 +246,7 @@ static int ov2680_v_flip(struct v4l2_subdev *sd, s32 value) u8 index; dev_dbg(&client->dev, "@%s: value:%d\n", __func__, value); - ret = ov2680_read_reg(client, 1, OV2680_FLIP_REG, &val); + ret = ovxxxx_read_reg8(client, OV2680_FLIP_REG, &val); if (ret) return ret; if (value) @@ -320,8 +254,7 @@ static int ov2680_v_flip(struct v4l2_subdev *sd, s32 value) else val &= ~OV2680_FLIP_MIRROR_BIT_ENABLE; - ret = ov2680_write_reg(client, 1, - OV2680_FLIP_REG, val); + ret = ovxxxx_write_reg8(client, OV2680_FLIP_REG, val); if (ret) return ret; index = (v_flag > 0 ? OV2680_FLIP_BIT : 0) | (h_flag > 0 ? OV2680_MIRROR_BIT : @@ -343,7 +276,7 @@ static int ov2680_h_flip(struct v4l2_subdev *sd, s32 value) dev_dbg(&client->dev, "@%s: value:%d\n", __func__, value); - ret = ov2680_read_reg(client, 1, OV2680_MIRROR_REG, &val); + ret = ovxxxx_read_reg8(client, OV2680_MIRROR_REG, &val); if (ret) return ret; if (value) @@ -351,8 +284,7 @@ static int ov2680_h_flip(struct v4l2_subdev *sd, s32 value) else val &= ~OV2680_FLIP_MIRROR_BIT_ENABLE; - ret = ov2680_write_reg(client, 1, - OV2680_MIRROR_REG, val); + ret = ovxxxx_write_reg8(client, OV2680_MIRROR_REG, val); if (ret) return ret; index = (v_flag > 0 ? OV2680_FLIP_BIT : 0) | (h_flag > 0 ? OV2680_MIRROR_BIT : @@ -449,7 +381,7 @@ static int ov2680_init_registers(struct v4l2_subdev *sd) struct i2c_client *client = v4l2_get_subdevdata(sd); int ret; - ret = ov2680_write_reg(client, 1, OV2680_SW_RESET, 0x01); + ret = ovxxxx_write_reg8(client, OV2680_SW_RESET, 0x01); ret |= ov2680_write_reg_array(client, ov2680_global_setting); return ret; @@ -687,7 +619,7 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd, if (dev->exposure > vts - OV2680_INTEGRATION_TIME_MARGIN) vts = dev->exposure + OV2680_INTEGRATION_TIME_MARGIN; - ret = ov2680_write_reg(client, 2, OV2680_TIMING_VTS_H, vts); + ret = ovxxxx_write_reg16(client, OV2680_TIMING_VTS_H, vts); if (ret) { dev_err(&client->dev, "ov2680 write vts err: %d\n", ret); goto err; @@ -739,14 +671,12 @@ static int ov2680_detect(struct i2c_client *client) if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) return -ENODEV; - ret = ov2680_read_reg(client, 1, - OV2680_SC_CMMN_CHIP_ID_H, &high); + ret = ovxxxx_read_reg8(client, OV2680_SC_CMMN_CHIP_ID_H, &high); if (ret) { dev_err(&client->dev, "sensor_id_high = 0x%x\n", high); return -ENODEV; } - ret = ov2680_read_reg(client, 1, - OV2680_SC_CMMN_CHIP_ID_L, &low); + ret = ovxxxx_read_reg8(client, OV2680_SC_CMMN_CHIP_ID_L, &low); id = ((((u16)high) << 8) | (u16)low); if (id != OV2680_ID) { @@ -754,8 +684,7 @@ static int ov2680_detect(struct i2c_client *client) return -ENODEV; } - ret = ov2680_read_reg(client, 1, - OV2680_SC_CMMN_SUB_ID, &high); + ret = ovxxxx_read_reg8(client, OV2680_SC_CMMN_SUB_ID, &high); revision = (u8)high & 0x0f; dev_info(&client->dev, "sensor_revision id = 0x%x, rev= %d\n", @@ -776,9 +705,8 @@ static int ov2680_s_stream(struct v4l2_subdev *sd, int enable) else dev_dbg(&client->dev, "ov2680_s_stream off\n"); - ret = ov2680_write_reg(client, 1, OV2680_SW_STREAM, - enable ? OV2680_START_STREAMING : - OV2680_STOP_STREAMING); + ret = ovxxxx_write_reg8(client, OV2680_SW_STREAM, + enable ? OV2680_START_STREAMING : OV2680_STOP_STREAMING); //otp valid at stream on state //if(!dev->otp_data) diff --git a/drivers/staging/media/atomisp/i2c/ov2680.h b/drivers/staging/media/atomisp/i2c/ov2680.h index 596e14453fb3..f4760a70055d 100644 --- a/drivers/staging/media/atomisp/i2c/ov2680.h +++ b/drivers/staging/media/atomisp/i2c/ov2680.h @@ -32,10 +32,6 @@ #include "../include/linux/atomisp_platform.h" -/* Defines for register writes and register array processing */ -#define I2C_MSG_LENGTH 0x2 -#define I2C_RETRY_COUNT 5 - #define OV2680_FOCAL_LENGTH_NUM 334 /*3.34mm*/ #define OV2680_BIN_FACTOR_MAX 4