linux-kernel - [PATCH 3/4] smiapp: add CCP2 support

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Date:   Tue, 14 Feb 2017 23:39:09 +0100
From:   Pavel Machek <pavel@....cz>
To:     sakari.ailus@....fi
Cc:     sre@...nel.org, pali.rohar@...il.com, pavel@....cz,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        laurent.pinchart@...asonboard.com, mchehab@...nel.org,
        ivo.g.dimitrov.75@...il.com
Subject: [PATCH 3/4] smiapp: add CCP2 support

Add support for CCP2 connected SMIA sensors as found
on the Nokia N900.

Signed-off-by: Sebastian Reichel <sre@...nel.org>
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Signed-off-by: Pavel Machek <pavel@....cz>
---
 drivers/media/i2c/smiapp/smiapp-core.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index f4e92bd..212293f 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2807,13 +2807,19 @@ static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev)
 	switch (bus_cfg->bus_type) {
 	case V4L2_MBUS_CSI2:
 		hwcfg->csi_signalling_mode = SMIAPP_CSI_SIGNALLING_MODE_CSI2;
+		hwcfg->lanes = bus_cfg->bus.mipi_csi2.num_data_lanes;
+		break;
+	case V4L2_MBUS_CCP2:
+		hwcfg->csi_signalling_mode = (bus_cfg->bus.mipi_csi1.strobe) ?
+		SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_STROBE :
+		SMIAPP_CSI_SIGNALLING_MODE_CCP2_DATA_CLOCK;
+		hwcfg->lanes = 1;
 		break;
-		/* FIXME: add CCP2 support. */
 	default:
+		dev_err(dev, "unknown bus protocol\n");
 		goto out_err;
 	}
 
-	hwcfg->lanes = bus_cfg->bus.mipi_csi2.num_data_lanes;
 	dev_dbg(dev, "lanes %u\n", hwcfg->lanes);
 
 	/* NVM size is not mandatory */
@@ -2827,8 +2833,8 @@ static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev)
 		goto out_err;
 	}
 
-	dev_dbg(dev, "nvm %d, clk %d, csi %d\n", hwcfg->nvm_size,
-		hwcfg->ext_clk, hwcfg->csi_signalling_mode);
+	dev_dbg(dev, "nvm %d, clk %d, mode %d\n",
+		hwcfg->nvm_size, hwcfg->ext_clk, hwcfg->csi_signalling_mode);
 
 	if (!bus_cfg->nr_of_link_frequencies) {
 		dev_warn(dev, "no link frequencies defined\n");
-- 
2.1.4


-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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