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From:   Andreas Kemnade <andreas@kemnade.info>
To:     marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com,
        johan@kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org,
        andreas@kemnade.info, linux-bluetooth@vger.kernel.org,
        linux-kernel@vger.kernel.org, tomi.valkeinen@ideasonboard.com,
        Tony Lindgren <tony@atomide.com>,
        =?UTF-8?q?P=C3=A9ter=20Ujfalusi?= <peter.ujfalusi@gmail.com>,
        robh@kernel.org
Subject: [RFC PATCH 1/3] gnss: Add AI2 protocol used by some TI combo chips.
Date:   Sun, 26 Nov 2023 20:18:38 +0100
Message-Id: <20231126191840.110564-2-andreas@kemnade.info>
In-Reply-To: <20231126191840.110564-1-andreas@kemnade.info>
References: <20231126191840.110564-1-andreas@kemnade.info>
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Texas Instruments uses something called Air Independent Interface (AI2) for
their WLAN/BT/GPS combo chips.
No public documentation is available, by looking into captured data, it
becomes clear that you can either raw data or encapsulated NMEA after some
initialization commands.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
 drivers/gnss/core.c  | 1 +
 include/linux/gnss.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gnss/core.c b/drivers/gnss/core.c
index 48f2ee0f78c4d..cac9f45aec4b2 100644
--- a/drivers/gnss/core.c
+++ b/drivers/gnss/core.c
@@ -335,6 +335,7 @@ static const char * const gnss_type_names[GNSS_TYPE_COUNT] = {
 	[GNSS_TYPE_SIRF]	= "SiRF",
 	[GNSS_TYPE_UBX]		= "UBX",
 	[GNSS_TYPE_MTK]		= "MTK",
+	[GNSS_TYPE_AI2]		= "AI2",
 };
 
 static const char *gnss_type_name(const struct gnss_device *gdev)
diff --git a/include/linux/gnss.h b/include/linux/gnss.h
index 36968a0f33e8d..16b565dab83ea 100644
--- a/include/linux/gnss.h
+++ b/include/linux/gnss.h
@@ -23,6 +23,7 @@ enum gnss_type {
 	GNSS_TYPE_SIRF,
 	GNSS_TYPE_UBX,
 	GNSS_TYPE_MTK,
+	GNSS_TYPE_AI2,
 
 	GNSS_TYPE_COUNT
 };
-- 
2.39.2