From patchwork Mon Jun 24 10:50:30 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kachhap X-Patchwork-Id: 2770441 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1C04E9F245 for ; Mon, 24 Jun 2013 10:58:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9BCE7201DB for ; Mon, 24 Jun 2013 10:58:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E6C6E201D9 for ; Mon, 24 Jun 2013 10:58:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752902Ab3FXKvu (ORCPT ); Mon, 24 Jun 2013 06:51:50 -0400 Received: from mail-pb0-f41.google.com ([209.85.160.41]:58859 "EHLO mail-pb0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752894Ab3FXKvs (ORCPT ); Mon, 24 Jun 2013 06:51:48 -0400 Received: by mail-pb0-f41.google.com with SMTP id rp16so10886832pbb.28 for ; Mon, 24 Jun 2013 03:51:47 -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=ATtic7Iq1Mhr27fcaqUkvI/PqIWD7XrXp2N/qMaj+xA=; b=V204ZTIYE/AEQUmSDUkkvlFH4CX8W7Yp1hVyovuQojuJimkkFsPfpW+cYHKKA0+LEd YDoPdR95NMZdzx//kZtmbf79E0FoU1QiKm/udzbmDV9FUF8+RZJUd7QmmX1pxdJnCXzp MoieVEahPWJ6Gl6/7yA+KiZ2BfpCkFmgOFMQmT2SUqMAiSU20x25IiVqpK3zpo2I5GSZ HL6lANX6727Pl+MDRZIyOMgl4sqHwTs5QwXo+KteG+yz+ypJSFyL2Mt9THNWOogArjpT XIxdz9zAnCwt12xZo8KX4fmC6kB0m4uraXaeGqT9V9iR5vcTRzunvWa0/6WesUalqXYl k7PA== X-Received: by 10.68.221.69 with SMTP id qc5mr5645549pbc.60.1372071107274; Mon, 24 Jun 2013 03:51:47 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPSA id tq8sm17631973pbc.30.2013.06.24.03.51.43 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 24 Jun 2013 03:51:46 -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 Subject: [PATCH V7 09/30] thermal: exynos: Add extra entries in the tmu platform data Date: Mon, 24 Jun 2013 16:20:30 +0530 Message-Id: <1372071051-3167-10-git-send-email-amit.daniel@samsung.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1372071051-3167-1-git-send-email-amit.daniel@samsung.com> References: <1372071051-3167-1-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=unavailable 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 patch adds entries min_efuse_value, max_efuse_value, default_temp_offset, trigger_type, cal_type, trim_first_point, trim_second_point, max_trigger_level 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 Acked-by: Jonghwa Lee Signed-off-by: Amit Daniel Kachhap Acked-by: Eduardo Valentin --- drivers/thermal/samsung/exynos_thermal_common.h | 7 +++ drivers/thermal/samsung/exynos_tmu.c | 43 ++++++++++---------- drivers/thermal/samsung/exynos_tmu.h | 49 ++++++++++++++-------- drivers/thermal/samsung/exynos_tmu_data.c | 34 ++++++++++++---- 4 files changed, 85 insertions(+), 48 deletions(-) diff --git a/drivers/thermal/samsung/exynos_thermal_common.h b/drivers/thermal/samsung/exynos_thermal_common.h index 57ce33b..fee1588 100644 --- a/drivers/thermal/samsung/exynos_thermal_common.h +++ b/drivers/thermal/samsung/exynos_thermal_common.h @@ -44,6 +44,13 @@ #define EXYNOS_ZONE_COUNT 3 +enum trigger_type { + THROTTLE_ACTIVE = 1, + THROTTLE_PASSIVE, + SW_TRIP, + HW_TRIP, +}; + /** * struct freq_clip_table * @freq_clip_max: maximum frequency allowed for this cooling state. diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index fa33a48..401ec98 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -49,7 +49,6 @@ #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 @@ -94,9 +93,6 @@ #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 @@ -136,15 +132,16 @@ 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: @@ -169,14 +166,16 @@ 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: @@ -209,8 +208,8 @@ 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; @@ -300,10 +299,10 @@ 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; @@ -533,9 +532,9 @@ 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 1857609..473acae 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -32,6 +32,11 @@ enum calibration_type { TYPE_NONE, }; +enum calibration_mode { + SW_MODE, + HW_MODE, +}; + enum soc_type { SOC_ARCH_EXYNOS4210 = 1, SOC_ARCH_EXYNOS, @@ -57,18 +62,15 @@ 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, + * THROTTLE_ACTIVE trigger type + * THROTTLE_PASSIVE trigger type + * SW_TRIP trigger type + * HW_TRIP + * @trigger_enable[]: array to denote which trigger levels are enabled. + * 1 = enable trigger_level[] interrupt, + * 0 = disable trigger_level[] interrupt + * @max_trigger_level: max trigger level supported by the TMU * @gain: gain of amplifier in the positive-TC generator block * 0 <= gain <= 15 * @reference_voltage: reference voltage of amplifier @@ -78,7 +80,13 @@ 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. @@ -88,18 +96,23 @@ 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 max_trigger_level; 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 144ba44..24934d7 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -30,13 +30,22 @@ 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] = true, + .trigger_enable[1] = true, + .trigger_enable[2] = true, + .trigger_enable[3] = false, + .trigger_type[0] = THROTTLE_ACTIVE, + .trigger_type[1] = THROTTLE_ACTIVE, + .trigger_type[2] = SW_TRIP, + .max_trigger_level = 4, .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, @@ -56,15 +65,24 @@ 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] = true, + .trigger_enable[1] = true, + .trigger_enable[2] = true, + .trigger_enable[3] = false, + .trigger_type[0] = THROTTLE_ACTIVE, + .trigger_type[1] = THROTTLE_ACTIVE, + .trigger_type[2] = SW_TRIP, + .max_trigger_level = 4, .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,