From patchwork Mon Jun 17 06:46:25 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kachhap X-Patchwork-Id: 2730821 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7A1E1C0AB1 for ; Mon, 17 Jun 2013 06:48:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7A882201A5 for ; Mon, 17 Jun 2013 06:48:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 73E9020180 for ; Mon, 17 Jun 2013 06:48:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932427Ab3FQGsT (ORCPT ); Mon, 17 Jun 2013 02:48:19 -0400 Received: from mail-pb0-f49.google.com ([209.85.160.49]:33346 "EHLO mail-pb0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932420Ab3FQGsR (ORCPT ); Mon, 17 Jun 2013 02:48:17 -0400 Received: by mail-pb0-f49.google.com with SMTP id jt11so2458622pbb.36 for ; Sun, 16 Jun 2013 23:48:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=PnhK7ezfA5z6MWknPN0SxU8Z5bozhAmLM65IxEI3HGE=; b=AaAuT4OaUw4zntMbKZqoR38HG3LoLyqs2zgiPLf/FGFhwP58B5gE9J4dytwHa6DyEg kYktJ1YgHzuKZehcPLe4Ek0jPHJstHQD03F9I0NBGu8Yv4e70io9LHHIszPHkMwK3w58 JD0Sjlww77wgzBAi0E5ETw7X0Ar9UcJof6eTKVfMYoOBfZ31OO455cKeHF4UBeHs/u2h u1PjH1TtSF3mLl+dMrFHwb7mVPUq0OHmNSHIkgQM/llWEqYBQErXfnh6917cw0PIzLFv hjQesHMwPnBPE4uUs+8+nKRx3o6wL+VrA681sEI52M2rFaWHREZNhen8ZRRhDxFBFS35 e6WA== X-Received: by 10.66.248.68 with SMTP id yk4mr4653624pac.137.1371451696239; Sun, 16 Jun 2013 23:48:16 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPSA id xl3sm11639859pbb.17.2013.06.16.23.48.11 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Sun, 16 Jun 2013 23:48:15 -0700 (PDT) From: Amit Daniel Kachhap To: linux-pm@vger.kernel.org, Zhang Rui , Eduardo Valentin Cc: linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, amit.kachhap@gmail.com, Kukjin Kim , jonghwa3.lee@samsung.com Subject: [PATCH V6 16/30] thermal: exynos: Make the zone handling use trip information Date: Mon, 17 Jun 2013 12:16:25 +0530 Message-Id: <1371451599-31035-17-git-send-email-amit.daniel@samsung.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1371451599-31035-1-git-send-email-amit.daniel@samsung.com> References: <1371451599-31035-1-git-send-email-amit.daniel@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This code simplifies the zone handling to use the trip information passed by the TMU driver and not the hardcoded macros. This also helps in adding more zone support. Acked-by: Kukjin Kim Acked-by: Jonghwa Lee Signed-off-by: Amit Daniel Kachhap --- drivers/thermal/samsung/exynos_thermal_common.c | 61 +++++++++++++---------- drivers/thermal/samsung/exynos_thermal_common.h | 3 +- drivers/thermal/samsung/exynos_tmu.c | 5 ++- 3 files changed, 40 insertions(+), 29 deletions(-) diff --git a/drivers/thermal/samsung/exynos_thermal_common.c b/drivers/thermal/samsung/exynos_thermal_common.c index 86d39aa..2873ca3 100644 --- a/drivers/thermal/samsung/exynos_thermal_common.c +++ b/drivers/thermal/samsung/exynos_thermal_common.c @@ -78,17 +78,22 @@ static int exynos_set_mode(struct thermal_zone_device *thermal, static int exynos_get_trip_type(struct thermal_zone_device *thermal, int trip, enum thermal_trip_type *type) { - switch (GET_ZONE(trip)) { - case MONITOR_ZONE: - case WARN_ZONE: - *type = THERMAL_TRIP_ACTIVE; - break; - case PANIC_ZONE: - *type = THERMAL_TRIP_CRITICAL; - break; - default: + struct exynos_thermal_zone *th_zone = thermal->devdata; + int max_trip = th_zone->sensor_conf->trip_data.trip_count; + int trip_type; + + if (trip < 0 || trip >= max_trip) return -EINVAL; - } + + trip_type = th_zone->sensor_conf->trip_data.trip_type[trip]; + + if (trip_type == SW_TRIP) + *type = THERMAL_TRIP_CRITICAL; + else if (trip_type == THROTTLE_ACTIVE) + *type = THERMAL_TRIP_ACTIVE; + else if (trip_type == THROTTLE_PASSIVE) + *type = THERMAL_TRIP_PASSIVE; + return 0; } @@ -97,8 +102,9 @@ static int exynos_get_trip_temp(struct thermal_zone_device *thermal, int trip, unsigned long *temp) { struct exynos_thermal_zone *th_zone = thermal->devdata; + int max_trip = th_zone->sensor_conf->trip_data.trip_count; - if (trip < GET_TRIP(MONITOR_ZONE) || trip > GET_TRIP(PANIC_ZONE)) + if (trip < 0 || trip >= max_trip) return -EINVAL; *temp = th_zone->sensor_conf->trip_data.trip_val[trip]; @@ -112,10 +118,10 @@ static int exynos_get_trip_temp(struct thermal_zone_device *thermal, int trip, static int exynos_get_crit_temp(struct thermal_zone_device *thermal, unsigned long *temp) { - int ret; - /* Panic zone */ - ret = exynos_get_trip_temp(thermal, GET_TRIP(PANIC_ZONE), temp); - return ret; + struct exynos_thermal_zone *th_zone = thermal->devdata; + int max_trip = th_zone->sensor_conf->trip_data.trip_count; + /* Get the temp of highest trip*/ + return exynos_get_trip_temp(thermal, max_trip - 1, temp); } /* Bind callback functions for thermal zone */ @@ -340,19 +346,22 @@ int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf) return -ENOMEM; th_zone->sensor_conf = sensor_conf; - cpumask_set_cpu(0, &mask_val); - th_zone->cool_dev[0] = cpufreq_cooling_register(&mask_val); - if (IS_ERR(th_zone->cool_dev[0])) { - pr_err("Failed to register cpufreq cooling device\n"); - ret = -EINVAL; - goto err_unregister; + if (sensor_conf->cooling_data.freq_clip_count > 0) { + cpumask_set_cpu(0, &mask_val); + th_zone->cool_dev[0] = cpufreq_cooling_register(&mask_val); + if (IS_ERR(th_zone->cool_dev[0])) { + pr_err("Failed to register cpufreq cooling device\n"); + ret = -EINVAL; + goto err_unregister; + } + th_zone->cool_dev_size++; } - th_zone->cool_dev_size++; - th_zone->therm_dev = thermal_zone_device_register(sensor_conf->name, - EXYNOS_ZONE_COUNT, 0, th_zone, &exynos_dev_ops, NULL, 0, - sensor_conf->trip_data.trigger_falling ? - 0 : IDLE_INTERVAL); + th_zone->therm_dev = thermal_zone_device_register( + sensor_conf->name, sensor_conf->trip_data.trip_count, + 0, th_zone, &exynos_dev_ops, NULL, 0, + sensor_conf->trip_data.trigger_falling ? 0 : + IDLE_INTERVAL); if (IS_ERR(th_zone->therm_dev)) { pr_err("Failed to register thermal zone device\n"); diff --git a/drivers/thermal/samsung/exynos_thermal_common.h b/drivers/thermal/samsung/exynos_thermal_common.h index 1e9a326..dd0077e 100644 --- a/drivers/thermal/samsung/exynos_thermal_common.h +++ b/drivers/thermal/samsung/exynos_thermal_common.h @@ -42,8 +42,6 @@ #define GET_ZONE(trip) (trip + 2) #define GET_TRIP(zone) (zone - 2) -#define EXYNOS_ZONE_COUNT 3 - enum trigger_type { THROTTLE_ACTIVE = 1, THROTTLE_PASSIVE, @@ -68,6 +66,7 @@ struct freq_clip_table { }; struct thermal_trip_point_conf { int trip_val[MAX_TRIP_COUNT]; + int trip_type[MAX_TRIP_COUNT]; int trip_count; unsigned char trigger_falling; }; diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 40e0cfd..acbd295 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -509,9 +509,12 @@ static int exynos_tmu_probe(struct platform_device *pdev) pdata->trigger_enable[1] + pdata->trigger_enable[2]+ pdata->trigger_enable[3]; - for (i = 0; i < exynos_sensor_conf.trip_data.trip_count; i++) + for (i = 0; i < exynos_sensor_conf.trip_data.trip_count; i++) { exynos_sensor_conf.trip_data.trip_val[i] = pdata->threshold + pdata->trigger_levels[i]; + exynos_sensor_conf.trip_data.trip_type[i] = + pdata->trigger_type[i]; + } exynos_sensor_conf.trip_data.trigger_falling = pdata->threshold_falling;