From patchwork Tue May 7 13:00:57 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kachhap X-Patchwork-Id: 2533571 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 7DE67DF215 for ; Tue, 7 May 2013 13:06:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758918Ab3EGNCL (ORCPT ); Tue, 7 May 2013 09:02:11 -0400 Received: from mail-pb0-f50.google.com ([209.85.160.50]:61535 "EHLO mail-pb0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758907Ab3EGNCI (ORCPT ); Tue, 7 May 2013 09:02:08 -0400 Received: by mail-pb0-f50.google.com with SMTP id um15so385102pbc.37 for ; Tue, 07 May 2013 06:02:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=C3P5tag4ofhCg3oejSkSo808t7IXKUxYbiURl0J7kGw=; b=sUIVZ+fOftd44HRi03OnMW3yHJsfFm1HRBjoeeW64wjLC8qc47wBGrE2YtIutyB1f8 b5R+J13h1+xi2OXJGcYDIBK/H3+K1thAjFt9/nBEKxYC+iBqjUh6BigIRcomGqGhEwB5 8kvrulRpHcOJFvDVG2JUy6N0Zw7DtzWxT8DT0rgvCAiJc0WvcR49Q9s2jo2nUQ8+x2Ft EZjm/XJVCmZR9BjYO2yMMGc/EjD+1GQeVTNvR6pseAKNwujt4rpRwz0Kgek+9uaDn0wq ruf68ul9AvOne3+nqIfOxVn+TSn6oGNybo/RrbVmINOQIgg361jhEN0kEPqICuGg+DhO aQIA== X-Received: by 10.66.197.228 with SMTP id ix4mr2777907pac.91.1367931728260; Tue, 07 May 2013 06:02:08 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPSA id l4sm28220809pbo.6.2013.05.07.06.02.03 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 07 May 2013 06:02:07 -0700 (PDT) From: Amit Daniel Kachhap To: linux-pm@vger.kernel.org Cc: Zhang Rui , linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, amit.kachhap@gmail.com, Kukjin Kim , Eduardo Valentin Subject: [PATCH V3 07/21] thermal: exynos: Add extra entries in the tmu platform data Date: Tue, 7 May 2013 18:30:57 +0530 Message-Id: <1367931671-3906-8-git-send-email-amit.daniel@samsung.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1367931671-3906-1-git-send-email-amit.daniel@samsung.com> References: <1367931671-3906-1-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 This patch adds entries min_efuse_value, max_efuse_value, default_temp_offset, trigger_type, cal_type, trim_first_point, trim_second_point and trigger_enable in the TMU platform data structure. Also the driver is modified to use the data passed by these new platform memebers instead of the constant macros. All these changes helps in separating the SOC specific data part from the TMU driver. Acked-by: Kukjin Kim Signed-off-by: Amit Daniel Kachhap --- drivers/thermal/samsung/exynos_tmu.c | 43 +++++++++++------------ drivers/thermal/samsung/exynos_tmu.h | 52 +++++++++++++++++++---------- drivers/thermal/samsung/exynos_tmu_data.c | 33 ++++++++++++++---- 3 files changed, 80 insertions(+), 48 deletions(-) diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index a43afc4..77b6a37 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -53,7 +53,6 @@ #define EXYNOS_TMU_BUF_SLOPE_SEL_MASK 0xf #define EXYNOS_TMU_BUF_SLOPE_SEL_SHIFT 8 #define EXYNOS_TMU_CORE_EN_SHIFT 0 -#define EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET 50 /* Exynos4210 specific registers */ #define EXYNOS4210_TMU_REG_THRESHOLD_TEMP 0x44 @@ -98,9 +97,6 @@ #define EXYNOS_TMU_INTEN_FALL1_SHIFT 20 #define EXYNOS_TMU_INTEN_FALL2_SHIFT 24 -#define EFUSE_MIN_VALUE 40 -#define EFUSE_MAX_VALUE 100 - #ifdef CONFIG_THERMAL_EMULATION #define EXYNOS_EMUL_TIME 0x57F0 #define EXYNOS_EMUL_TIME_MASK 0xffff @@ -140,15 +136,16 @@ static int temp_to_code(struct exynos_tmu_data *data, u8 temp) switch (pdata->cal_type) { case TYPE_TWO_POINT_TRIMMING: - temp_code = (temp - 25) * - (data->temp_error2 - data->temp_error1) / - (85 - 25) + data->temp_error1; + temp_code = (temp - pdata->first_point_trim) * + (data->temp_error2 - data->temp_error1) / + (pdata->second_point_trim - pdata->first_point_trim) + + data->temp_error1; break; case TYPE_ONE_POINT_TRIMMING: - temp_code = temp + data->temp_error1 - 25; + temp_code = temp + data->temp_error1 - pdata->first_point_trim; break; default: - temp_code = temp + EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET; + temp_code = temp + pdata->default_temp_offset; break; } out: @@ -173,14 +170,16 @@ static int code_to_temp(struct exynos_tmu_data *data, u8 temp_code) switch (pdata->cal_type) { case TYPE_TWO_POINT_TRIMMING: - temp = (temp_code - data->temp_error1) * (85 - 25) / - (data->temp_error2 - data->temp_error1) + 25; + temp = (temp_code - data->temp_error1) * + (pdata->second_point_trim - pdata->first_point_trim) / + (data->temp_error2 - data->temp_error1) + + pdata->first_point_trim; break; case TYPE_ONE_POINT_TRIMMING: - temp = temp_code - data->temp_error1 + 25; + temp = temp_code - data->temp_error1 + pdata->first_point_trim; break; default: - temp = temp_code - EXYNOS_TMU_DEF_CODE_TO_TEMP_OFFSET; + temp = temp_code - pdata->default_temp_offset; break; } out: @@ -213,8 +212,8 @@ static int exynos_tmu_initialize(struct platform_device *pdev) data->temp_error1 = trim_info & EXYNOS_TMU_TRIM_TEMP_MASK; data->temp_error2 = ((trim_info >> 8) & EXYNOS_TMU_TRIM_TEMP_MASK); - if ((EFUSE_MIN_VALUE > data->temp_error1) || - (data->temp_error1 > EFUSE_MAX_VALUE) || + if ((pdata->min_efuse_value > data->temp_error1) || + (data->temp_error1 > pdata->max_efuse_value) || (data->temp_error2 != 0)) data->temp_error1 = pdata->efuse_value; @@ -304,10 +303,10 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) if (on) { con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT); interrupt_en = - pdata->trigger_level3_en << EXYNOS_TMU_INTEN_RISE3_SHIFT | - pdata->trigger_level2_en << EXYNOS_TMU_INTEN_RISE2_SHIFT | - pdata->trigger_level1_en << EXYNOS_TMU_INTEN_RISE1_SHIFT | - pdata->trigger_level0_en << EXYNOS_TMU_INTEN_RISE0_SHIFT; + pdata->trigger_enable[3] << EXYNOS_TMU_INTEN_RISE3_SHIFT | + pdata->trigger_enable[2] << EXYNOS_TMU_INTEN_RISE2_SHIFT | + pdata->trigger_enable[1] << EXYNOS_TMU_INTEN_RISE1_SHIFT | + pdata->trigger_enable[0] << EXYNOS_TMU_INTEN_RISE0_SHIFT; if (pdata->threshold_falling) interrupt_en |= interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT; @@ -542,9 +541,9 @@ static int exynos_tmu_probe(struct platform_device *pdev) /* Register the sensor with thermal management interface */ (&exynos_sensor_conf)->private_data = data; - exynos_sensor_conf.trip_data.trip_count = pdata->trigger_level0_en + - pdata->trigger_level1_en + pdata->trigger_level2_en + - pdata->trigger_level3_en; + exynos_sensor_conf.trip_data.trip_count = pdata->trigger_enable[0] + + pdata->trigger_enable[1] + pdata->trigger_enable[2]+ + pdata->trigger_enable[3]; for (i = 0; i < exynos_sensor_conf.trip_data.trip_count; i++) exynos_sensor_conf.trip_data.trip_val[i] = diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h index 342fb1f..70cc518 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -29,6 +29,17 @@ enum calibration_type { TYPE_NONE, }; +enum calibration_mode { + SW_MODE, + HW_MODE, +}; + +enum trigger_type { + THROTTLE, + SW_TRIP, + HW_TRIP, +}; + enum soc_type { SOC_ARCH_EXYNOS4210 = 1, SOC_ARCH_EXYNOS, @@ -54,18 +65,13 @@ enum soc_type { * 3: temperature for trigger_level3 interrupt * condition for trigger_level3 interrupt: * current temperature > threshold + trigger_levels[3] - * @trigger_level0_en: - * 1 = enable trigger_level0 interrupt, - * 0 = disable trigger_level0 interrupt - * @trigger_level1_en: - * 1 = enable trigger_level1 interrupt, - * 0 = disable trigger_level1 interrupt - * @trigger_level2_en: - * 1 = enable trigger_level2 interrupt, - * 0 = disable trigger_level2 interrupt - * @trigger_level3_en: - * 1 = enable trigger_level3 interrupt, - * 0 = disable trigger_level3 interrupt + * @trigger_type: defines the type of trigger. Possible values are, + * 0: THROTTLE trigger type + * 1: SW_TRIP trigger type + * 2: HW_TRIP + * @trigger_enable[]: array to denote which trigger levels are enabled. + * 1 = enable trigger_level[] interrupt, + * 0 = disable trigger_level[] interrupt * @gain: gain of amplifier in the positive-TC generator block * 0 <= gain <= 15 * @reference_voltage: reference voltage of amplifier @@ -75,7 +81,13 @@ enum soc_type { * 000, 100, 101, 110 and 111 can be different modes * @type: determines the type of SOC * @efuse_value: platform defined fuse value + * @min_efuse_value: minimum valid trimming data + * @max_efuse_value: maximum valid trimming data + * @first_point_trim: temp value of the first point trimming + * @second_point_trim: temp value of the second point trimming + * @default_temp_offset: default temperature offset in case of no trimming * @cal_type: calibration type for temperature + * @cal_mode: calibration mode for temperature * @freq_clip_table: Table representing frequency reduction percentage. * @freq_tab_count: Count of the above table as frequency reduction may * applicable to only some of the trigger levels. @@ -85,18 +97,22 @@ enum soc_type { struct exynos_tmu_platform_data { u8 threshold; u8 threshold_falling; - u8 trigger_levels[4]; - bool trigger_level0_en; - bool trigger_level1_en; - bool trigger_level2_en; - bool trigger_level3_en; - + u8 trigger_levels[MAX_TRIP_COUNT]; + enum trigger_type trigger_type[MAX_TRIP_COUNT]; + bool trigger_enable[MAX_TRIP_COUNT]; u8 gain; u8 reference_voltage; u8 noise_cancel_mode; + u32 efuse_value; + u32 min_efuse_value; + u32 max_efuse_value; + u8 first_point_trim; + u8 second_point_trim; + u8 default_temp_offset; enum calibration_type cal_type; + enum calibration_mode cal_mode; enum soc_type type; struct freq_clip_table freq_tab[4]; unsigned int freq_tab_count; diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index 13a60ca..ee6a3c9 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -22,6 +22,7 @@ #include "exynos_thermal_common.h" #include "exynos_tmu.h" +#include "exynos_tmu_data.h" #if defined(CONFIG_CPU_EXYNOS4210) struct exynos_tmu_platform_data const exynos4210_default_tmu_data = { @@ -29,13 +30,21 @@ struct exynos_tmu_platform_data const exynos4210_default_tmu_data = { .trigger_levels[0] = 5, .trigger_levels[1] = 20, .trigger_levels[2] = 30, - .trigger_level0_en = 1, - .trigger_level1_en = 1, - .trigger_level2_en = 1, - .trigger_level3_en = 0, + .trigger_enable[0] = 1, + .trigger_enable[1] = 1, + .trigger_enable[2] = 1, + .trigger_enable[3] = 0, + .trigger_type[0] = 0, + .trigger_type[1] = 0, + .trigger_type[2] = 1, .gain = 15, .reference_voltage = 7, .cal_type = TYPE_ONE_POINT_TRIMMING, + .min_efuse_value = 40, + .max_efuse_value = 100, + .first_point_trim = 25, + .second_point_trim = 85, + .default_temp_offset = 50, .freq_tab[0] = { .freq_clip_max = 800 * 1000, .temp_level = 85, @@ -55,15 +64,23 @@ struct exynos_tmu_platform_data const exynos5250_default_tmu_data = { .trigger_levels[0] = 85, .trigger_levels[1] = 103, .trigger_levels[2] = 110, - .trigger_level0_en = 1, - .trigger_level1_en = 1, - .trigger_level2_en = 1, - .trigger_level3_en = 0, + .trigger_enable[0] = 1, + .trigger_enable[1] = 1, + .trigger_enable[2] = 1, + .trigger_enable[3] = 0, + .trigger_type[0] = 0, + .trigger_type[1] = 0, + .trigger_type[2] = 1, .gain = 8, .reference_voltage = 16, .noise_cancel_mode = 4, .cal_type = TYPE_ONE_POINT_TRIMMING, .efuse_value = 55, + .min_efuse_value = 40, + .max_efuse_value = 100, + .first_point_trim = 25, + .second_point_trim = 85, + .default_temp_offset = 50, .freq_tab[0] = { .freq_clip_max = 800 * 1000, .temp_level = 85,