From: Enric Balletbo i Serra <enric.balletbo@collabora.com> To: Lee Jones <lee.jones@linaro.org>, Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, Olof Johansson <olof@lixom.net>, Gwendal Grignou <gwendal@chromium.org> Subject: [PATCH v3 1/4] mfd: cros_ec: Add helper for event notifier. Date: Tue, 14 Feb 2017 23:15:26 +0100 [thread overview] Message-ID: <20170214221529.6434-1-enric.balletbo@collabora.com> (raw) From: Gwendal Grignou <gwendal@chromium.org> Add cros_ec_get_event() entry point to retrieve event within functions called by the notifier. Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Acked-by: Lee Jones <lee.jones@linaro.org> --- Changes since v2: - none Changes since v1: - Acked by Lee Jones drivers/platform/chrome/cros_ec_proto.c | 20 ++++++++++++++++++++ include/linux/mfd/cros_ec.h | 10 ++++++++++ 2 files changed, 30 insertions(+) diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index ed5dee7..7428c2b 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -494,3 +494,23 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev) return get_keyboard_state_event(ec_dev); } EXPORT_SYMBOL(cros_ec_get_next_event); + +u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev) +{ + u32 host_event; + + BUG_ON(!ec_dev->mkbp_event_supported); + + if (ec_dev->event_data.event_type != EC_MKBP_EVENT_HOST_EVENT) + return 0; + + if (ec_dev->event_size != sizeof(host_event)) { + dev_warn(ec_dev->dev, "Invalid host event size\n"); + return 0; + } + + host_event = get_unaligned_le32(&ec_dev->event_data.data.host_event); + + return host_event; +} +EXPORT_SYMBOL(cros_ec_get_host_event); diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index b3d04de..be2c4eb 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -299,6 +299,16 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev); */ int cros_ec_get_next_event(struct cros_ec_device *ec_dev); +/** + * cros_ec_get_host_event - Return a mask of event set by the EC. + * + * When MKBP is supported, when the EC raises an interrupt, + * We collect the events raised and call the functions in the ec notifier. + * + * This function is a helper to know which events are raised. + */ +u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev); + /* sysfs stuff */ extern struct attribute_group cros_ec_attr_group; extern struct attribute_group cros_ec_lightbar_attr_group; -- 2.9.3
WARNING: multiple messages have this Message-ID (diff)
From: Enric Balletbo i Serra <enric.balletbo@collabora.com> To: Lee Jones <lee.jones@linaro.org>, Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com, Olof Johansson <olof@lixom.net>, Gwendal Grignou <gwendal@chromium.org> Subject: [rtc-linux] [PATCH v3 1/4] mfd: cros_ec: Add helper for event notifier. Date: Tue, 14 Feb 2017 23:15:26 +0100 [thread overview] Message-ID: <20170214221529.6434-1-enric.balletbo@collabora.com> (raw) From: Gwendal Grignou <gwendal@chromium.org> Add cros_ec_get_event() entry point to retrieve event within functions called by the notifier. Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Acked-by: Lee Jones <lee.jones@linaro.org> --- Changes since v2: - none Changes since v1: - Acked by Lee Jones drivers/platform/chrome/cros_ec_proto.c | 20 ++++++++++++++++++++ include/linux/mfd/cros_ec.h | 10 ++++++++++ 2 files changed, 30 insertions(+) diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index ed5dee7..7428c2b 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -494,3 +494,23 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev) return get_keyboard_state_event(ec_dev); } EXPORT_SYMBOL(cros_ec_get_next_event); + +u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev) +{ + u32 host_event; + + BUG_ON(!ec_dev->mkbp_event_supported); + + if (ec_dev->event_data.event_type != EC_MKBP_EVENT_HOST_EVENT) + return 0; + + if (ec_dev->event_size != sizeof(host_event)) { + dev_warn(ec_dev->dev, "Invalid host event size\n"); + return 0; + } + + host_event = get_unaligned_le32(&ec_dev->event_data.data.host_event); + + return host_event; +} +EXPORT_SYMBOL(cros_ec_get_host_event); diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index b3d04de..be2c4eb 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -299,6 +299,16 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev); */ int cros_ec_get_next_event(struct cros_ec_device *ec_dev); +/** + * cros_ec_get_host_event - Return a mask of event set by the EC. + * + * When MKBP is supported, when the EC raises an interrupt, + * We collect the events raised and call the functions in the ec notifier. + * + * This function is a helper to know which events are raised. + */ +u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev); + /* sysfs stuff */ extern struct attribute_group cros_ec_attr_group; extern struct attribute_group cros_ec_lightbar_attr_group; -- 2.9.3 -- You received this message because you are subscribed to "rtc-linux". Membership options at http://groups.google.com/group/rtc-linux . Please read http://groups.google.com/group/rtc-linux/web/checklist before submitting a driver. --- You received this message because you are subscribed to the Google Groups "rtc-linux" group. To unsubscribe from this group and stop receiving emails from it, send an email to rtc-linux+unsubscribe@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
next reply other threads:[~2017-02-14 22:15 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-02-14 22:15 Enric Balletbo i Serra [this message] 2017-02-14 22:15 ` [rtc-linux] [PATCH v3 1/4] mfd: cros_ec: Add helper for event notifier Enric Balletbo i Serra 2017-02-14 22:15 ` [PATCH v3 2/4] mfd: cros_ec: Introduce RTC commands and events definitions Enric Balletbo i Serra 2017-02-14 22:15 ` [rtc-linux] " Enric Balletbo i Serra 2017-02-14 22:15 ` [PATCH v3 3/4] rtc: cros-ec: add cros-ec-rtc driver Enric Balletbo i Serra 2017-02-14 22:15 ` [rtc-linux] " Enric Balletbo i Serra 2017-02-14 22:15 ` [PATCH v3 4/4] mfd: cros_ec: add RTC as mfd subdevice Enric Balletbo i Serra 2017-02-14 22:15 ` [rtc-linux] " Enric Balletbo i Serra 2017-03-14 13:59 ` Lee Jones 2017-03-14 13:59 ` [rtc-linux] " Lee Jones 2017-03-14 14:44 ` Enric Balletbo i Serra 2017-03-14 14:44 ` [rtc-linux] " Enric Balletbo i Serra 2017-03-15 10:24 ` Lee Jones 2017-03-15 10:24 ` [rtc-linux] " Lee Jones 2017-03-15 11:22 ` Enric Balletbo i Serra 2017-03-15 11:22 ` [rtc-linux] " Enric Balletbo i Serra 2017-03-15 12:10 ` Lee Jones 2017-03-15 12:10 ` [rtc-linux] " Lee Jones 2017-03-21 18:04 ` Tracy Smith
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