From patchwork Wed Oct 7 08:45:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 11820081 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7B8D56CB for ; Wed, 7 Oct 2020 08:46:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5E1A420797 for ; Wed, 7 Oct 2020 08:46:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728079AbgJGIqb (ORCPT ); Wed, 7 Oct 2020 04:46:31 -0400 Received: from retiisi.org.uk ([95.216.213.190]:57038 "EHLO hillosipuli.retiisi.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728015AbgJGIqR (ORCPT ); Wed, 7 Oct 2020 04:46:17 -0400 Received: from lanttu.localdomain (lanttu-e.localdomain [192.168.1.64]) by hillosipuli.retiisi.eu (Postfix) with ESMTP id B0C53634C8C for ; Wed, 7 Oct 2020 11:45:22 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [PATCH v2 095/106] ccs: Add support for old-style SMIA digital gain Date: Wed, 7 Oct 2020 11:45:46 +0300 Message-Id: <20201007084557.25843-86-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201007084557.25843-1-sakari.ailus@linux.intel.com> References: <20201007084505.25761-1-sakari.ailus@linux.intel.com> <20201007084557.25843-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org SMIA only has per-component digital gain. Add support for it. Signed-off-by: Sakari Ailus --- drivers/media/i2c/ccs/ccs-core.c | 33 +++++++++++++++++++++++-- drivers/media/i2c/ccs/smiapp-reg-defs.h | 2 ++ 2 files changed, 33 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 7975b3900017..b58cfb308251 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -674,7 +674,34 @@ static int ccs_set_ctrl(struct v4l2_ctrl *ctrl) break; case V4L2_CID_DIGITAL_GAIN: - rval = ccs_write(sensor, DIGITAL_GAIN_GLOBAL, ctrl->val); + if (CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == + CCS_DIGITAL_GAIN_CAPABILITY_GLOBAL) { + rval = ccs_write(sensor, DIGITAL_GAIN_GLOBAL, + ctrl->val); + break; + } + + rval = ccs_write_addr(sensor, + SMIAPP_REG_U16_DIGITAL_GAIN_GREENR, + ctrl->val); + if (rval) + break; + + rval = ccs_write_addr(sensor, + SMIAPP_REG_U16_DIGITAL_GAIN_RED, + ctrl->val); + if (rval) + break; + + rval = ccs_write_addr(sensor, + SMIAPP_REG_U16_DIGITAL_GAIN_BLUE, + ctrl->val); + if (rval) + break; + + rval = ccs_write_addr(sensor, + SMIAPP_REG_U16_DIGITAL_GAIN_GREENB, + ctrl->val); break; case V4L2_CID_EXPOSURE: @@ -760,7 +787,9 @@ static int ccs_init_controls(struct ccs_sensor *sensor) CCS_LIM(sensor, ANALOG_GAIN_CODE_MIN)); if (CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == - CCS_DIGITAL_GAIN_CAPABILITY_GLOBAL) + CCS_DIGITAL_GAIN_CAPABILITY_GLOBAL || + CCS_LIM(sensor, DIGITAL_GAIN_CAPABILITY) == + SMIAPP_DIGITAL_GAIN_CAPABILITY_PER_CHANNEL) v4l2_ctrl_new_std(&sensor->pixel_array->ctrl_handler, &ccs_ctrl_ops, V4L2_CID_DIGITAL_GAIN, CCS_LIM(sensor, DIGITAL_GAIN_MIN), diff --git a/drivers/media/i2c/ccs/smiapp-reg-defs.h b/drivers/media/i2c/ccs/smiapp-reg-defs.h index e80c110ebf3a..177e3e51207a 100644 --- a/drivers/media/i2c/ccs/smiapp-reg-defs.h +++ b/drivers/media/i2c/ccs/smiapp-reg-defs.h @@ -535,6 +535,8 @@ #define SMIAPP_DIGITAL_CROP_CAPABILITY_NONE 0 #define SMIAPP_DIGITAL_CROP_CAPABILITY_INPUT_CROP 1 +#define SMIAPP_DIGITAL_GAIN_CAPABILITY_PER_CHANNEL 1 + #define SMIAPP_BINNING_CAPABILITY_NO 0 #define SMIAPP_BINNING_CAPABILITY_YES 1