From patchwork Sat Jan 20 21:16:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Duje_Mihanovi=C4=87?= X-Patchwork-Id: 764331 Received: from mx.skole.hr (mx1.hosting.skole.hr [161.53.165.185]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE0E612E74; Sat, 20 Jan 2024 21:17:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=161.53.165.185 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705785450; cv=none; b=NGf6b62eVBV13e/UY25lOJ7mITj2udyDqRrifUQGHZXrtrrSjKVxvkyZAOelJRA2t91J4gKz6vAHCQ0NlVfemQitEvRAdltkCLUOh0iuxkZr3CxAJDpKx2CrztiDyhwhJyDdb62ZBYlH2x9HS9EmYAjGBgswvDf945Chlqbc8J4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705785450; c=relaxed/simple; bh=LH6ZLfgoff66ZwAlyeYtpywp7yWss44d2lazAs30kCc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Cc9xHfvjOCPeqiMLSPrtUMhSc9ZuL2abGcvoR6TygOrj7sunfmPlug+PsynevG9CQpsGCDGi09Af1uDKnvywvVxvnD3zf074+IdfPVpNrfaCaCVyjLZMivxWsvWzOBquxHLPZnsZ3nRK8arrgrI69F/lvQmc9hMEAUP70aRSzSY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=skole.hr; spf=pass smtp.mailfrom=skole.hr; arc=none smtp.client-ip=161.53.165.185 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=skole.hr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=skole.hr Received: from mx1.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id EC665858EE; Sat, 20 Jan 2024 22:17:19 +0100 (CET) From: =?utf-8?q?Duje_Mihanovi=C4=87?= Date: Sat, 20 Jan 2024 22:16:14 +0100 Subject: [PATCH v2 3/3] input: touchscreen: imagis: Add touch key support Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240120-b4-imagis-keys-v2-3-d7fc16f2e106@skole.hr> References: <20240120-b4-imagis-keys-v2-0-d7fc16f2e106@skole.hr> In-Reply-To: <20240120-b4-imagis-keys-v2-0-d7fc16f2e106@skole.hr> To: Markuss Broks , Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Karel Balej , ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, devicetree@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Duje_?= =?utf-8?q?Mihanovi=C4=87?= X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=3081; i=duje.mihanovic@skole.hr; h=from:subject:message-id; bh=LH6ZLfgoff66ZwAlyeYtpywp7yWss44d2lazAs30kCc=; b=owEBbQKS/ZANAwAIAZoRnrBCLZbhAcsmYgBlrDg6qi6DWG3TGF42j2WG9tpTnc8py/AIyrOUR aiwjYe7UGyJAjMEAAEIAB0WIQRT351NnD/hEPs2LXiaEZ6wQi2W4QUCZaw4OgAKCRCaEZ6wQi2W 4aV2D/9hp7+munQtbVCtFWxV/mJAmTdshNy21+k3SfhPbxFQt7/NQDu4rMBm0c5juAS0U1D2Fhi fZjQDl91vFJcvnj0V1U7evYCExv6tfqewE+ZOC4PkbyuyNEwsERh3AMITU1zAsqTcHjdTpP3bLh 6v/8Q9YxGWNzOrBSLaAEYhcsmTsSAVQP3sNhrV/NZGf78pVYIt2ylefXspv6wjcj/9H7oerozVA ewUyv1fZwL5Ecs6uAbyuIrh4rsRp0p2auRd0U3GzknQ+UkqeMNDFGfjFD/4VP+paTxYCLJi4a96 kcuoKLFICecpgE7MMciKY+OZ64YRjk40tw9HoIzcv1CBrBZbpchAd1xJ7OCvFNlFWSK/Cc8MJiO yeX8tOsZwwFUiseJtaP3mGkLIZzuX6O6xXlYJyuWDY99Xt09b+Yl3CIphImJ9J8Jlqi5RDdtd8q OTIsgmNuEKcYTfXU0yxTW/w/ma7rPeP14IGTxd9THMh5JV89S4QpnIdxe3a9385tHL+Axj7VNn9 0uRUSQPnl01/n8fov4fXy69piJAezC46lyzCqneFcU9HnWfhwR3j0tRJ4RgQvmTXTnAq/1hpWBx 5y9WMoCyJvskiJqIAfII8fsWUHPY8jIVzWEnDtUlN7zi8frSmYrQBuaxzGFuzlCUsz/V5FjVfLi R7BhC/PXFOQPcGw== X-Developer-Key: i=duje.mihanovic@skole.hr; a=openpgp; fpr=53DF9D4D9C3FE110FB362D789A119EB0422D96E1 IST3032C (and possibly some other models) has touch keys. Add support for them to the imagis driver. Signed-off-by: Duje Mihanović --- drivers/input/touchscreen/imagis.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/imagis.c b/drivers/input/touchscreen/imagis.c index 4eae98771bd2..6dcb82313c32 100644 --- a/drivers/input/touchscreen/imagis.c +++ b/drivers/input/touchscreen/imagis.c @@ -34,6 +34,7 @@ #define IST3038C_AREA_MASK GENMASK(27, 24) #define IST3038C_FINGER_COUNT_MASK GENMASK(15, 12) #define IST3038C_FINGER_STATUS_MASK GENMASK(9, 0) +#define IST3032C_KEY_STATUS_MASK GENMASK(20, 16) struct imagis_properties { unsigned int interrupt_msg_cmd; @@ -41,6 +42,7 @@ struct imagis_properties { unsigned int whoami_cmd; unsigned int whoami_val; bool protocol_b; + bool touch_keys_supported; }; struct imagis_ts { @@ -49,6 +51,8 @@ struct imagis_ts { struct input_dev *input_dev; struct touchscreen_properties prop; struct regulator_bulk_data supplies[2]; + u32 keycodes[2]; + int num_keycodes; }; static int imagis_i2c_read_reg(struct imagis_ts *ts, @@ -93,7 +97,7 @@ static irqreturn_t imagis_interrupt(int irq, void *dev_id) { struct imagis_ts *ts = dev_id; u32 intr_message, finger_status; - unsigned int finger_count, finger_pressed; + unsigned int finger_count, finger_pressed, key_pressed; int i; int error; @@ -139,6 +143,11 @@ static irqreturn_t imagis_interrupt(int irq, void *dev_id) FIELD_GET(IST3038C_AREA_MASK, finger_status)); } + key_pressed = FIELD_GET(IST3032C_KEY_STATUS_MASK, intr_message); + + for (int i = 0; i < ts->num_keycodes; i++) + input_report_key(ts->input_dev, ts->keycodes[i], (key_pressed & BIT(i))); + input_mt_sync_frame(ts->input_dev); input_sync(ts->input_dev); @@ -224,6 +233,19 @@ static int imagis_init_input_dev(struct imagis_ts *ts) input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_X); input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_Y); input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 16, 0, 0); + if (ts->tdata->touch_keys_supported) { + ts->num_keycodes = of_property_read_variable_u32_array( + ts->client->dev.of_node, "linux,keycodes", + ts->keycodes, 0, ARRAY_SIZE(ts->keycodes)); + if (ts->num_keycodes <= 0) { + ts->keycodes[0] = KEY_APPSELECT; + ts->keycodes[1] = KEY_BACK; + ts->num_keycodes = 2; + } + } + + for (int i = 0; i < ts->num_keycodes; i++) + input_set_capability(input_dev, EV_KEY, ts->keycodes[i]); touchscreen_parse_properties(input_dev, true, &ts->prop); if (!ts->prop.max_x || !ts->prop.max_y) { @@ -365,6 +387,7 @@ static const struct imagis_properties imagis_3032c_data = { .touch_coord_cmd = IST3038C_REG_TOUCH_COORD, .whoami_cmd = IST3038C_REG_CHIPID, .whoami_val = IST3032C_WHOAMI, + .touch_keys_supported = true, }; static const struct imagis_properties imagis_3038b_data = {