From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755463Ab3KER2C (ORCPT ); Tue, 5 Nov 2013 12:28:02 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:60152 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755445Ab3KER15 (ORCPT ); Tue, 5 Nov 2013 12:27:57 -0500 X-AuditID: cbfee61b-b7fd56d000001fc6-19-52792a9cf9a2 From: Lukasz Majewski To: Viresh Kumar , "Rafael J. Wysocki" , Zhang Rui , Eduardo Valentin Cc: "cpufreq@vger.kernel.org" , Linux PM list , Jonghwa Lee , Lukasz Majewski , Lukasz Majewski , linux-kernel , Bartlomiej Zolnierkiewicz , Myungjoo Ham , durgadoss.r@intel.com, Amit Daniel Kachhap Subject: [PATCH v10 7/7] thermal:exynos:boost: Automatic enable/disable of BOOST feature (at Exynos4412) Date: Tue, 05 Nov 2013 18:26:51 +0100 Message-id: <1383672411-26324-8-git-send-email-l.majewski@samsung.com> X-Mailer: git-send-email 1.7.10 In-reply-to: <1383672411-26324-1-git-send-email-l.majewski@samsung.com> References: <1370502472-7249-1-git-send-email-l.majewski@samsung.com> <1383672411-26324-1-git-send-email-l.majewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrALMWRmVeSWpSXmKPExsVy+t9jQd05WpVBBvN2C1o0XA2x2DhjPavF 06Yf7BZ9P68wW6zZ/5PJovPsE2aLN4+4Ld483MxocXnXHDaLz71HGC1uN65gszhz+hKrxZOH fWwWG796OPB5LN7zksnjzrU9bB7rpr1l9thytZ3Fo2/LKkaP4ze2M3l83iQXwB7FZZOSmpNZ llqkb5fAlfHm2jq2gj3yFYumH2BsYJwq2cXIySEhYCLx4PdnJghbTOLCvfVsXYxcHEIC0xkl +o9dYoFwupgknmw6wgxSxSagJ/H57lMmkISIwBJGiddNC1hBHGaBvcwSk/6sBXI4OIQFsiR2 bZcAaWARUJXo7HoPtoJXwE2ie/VVFoh18hJP7/exgdicAu4SO2bthVrdxCjx5vYEpgmMvAsY GVYxiqYWJBcUJ6XnGukVJ+YWl+al6yXn525iBIfrM+kdjKsaLA4xCnAwKvHwJshXBgmxJpYV V+YeYpTgYFYS4T32vyJIiDclsbIqtSg/vqg0J7X4EKM0B4uSOO/BVutAIYH0xJLU7NTUgtQi mCwTB6dUA6N7xnzJInMX0c9qbC7N92UKSq97OXI2a2w6UVD26EjJcbmpERG//L8r9MvGpwkk SO4zX8y3KXXy9eC5f4T5F/xWbp5TrTXD/thylpf2vo2Pz16+uo/tWNb/uM+T58bcvWdyJ/1E 1su8VBf5eWsKfolGuD6NuDLn4P8VhmuEJyuol72+uftQd60SS3FGoqEWc1FxIgAAHWd+UwIA AA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch provides auto disable/enable operation for boost. It uses already present thermal infrastructure to provide boost hysteresis. A special set of TMU data has been defined for Exynos4412, which is only considered when BOOST is enabled. Signed-off-by: Lukasz Majewski Signed-off-by: Myungjoo Ham --- Changes for v10: - Remove boost related code from thermal_core.c - Use already present thermal infrastructure to provide thermal hysteresis - Introduce special set of TMU data for BOOST Changes for v9: - None Changes for v8: - Move cpufreq_boost_* stub functions definition (needed when cpufreq is not compiled in) to cpufreq.h at cpufreq core support commit Changes for v7: - None Changes for v6: - Disable boost only when supported and enabled - Protect boost related thermal_zone_device struct fields with mutex - Evaluate temperature trend during boost enable decision - Create separate methods to handle boost enable/disable (thermal_boost_{enable|disable}) operations - Boost is disabled at any trip point passage (not only the non critical one) - Add stub definitions for cpufreq boost functions used when CONFIG_CPU_FREQ is NOT defined. Changes for v5: - Move boost disable code from cpu_cooling.c to thermal_core.c (to handle_non_critical_trips) - Extent struct thermal_zone_device by adding overheated bool flag - Implement auto enable of boost after device cools down - Introduce boost_polling flag, which indicates if thermal uses it's predefined pool delay or has woken up thermal workqueue only to wait until device cools down. Changes for v4: - New patch drivers/thermal/samsung/exynos_tmu_data.c | 47 +++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index 073c292..9346926 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -167,13 +167,60 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = { .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \ TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ TMU_SUPPORT_EMUL_TIME) + +#define EXYNOS4412_TMU_DATA_BOOST \ + .threshold_falling = 10, \ + .trigger_levels[0] = 70, \ + .trigger_levels[1] = 85, \ + .trigger_levels[2] = 103, \ + .trigger_levels[3] = 110, \ + .trigger_enable[0] = true, \ + .trigger_enable[1] = true, \ + .trigger_enable[2] = true, \ + .trigger_enable[3] = true, \ + .trigger_type[0] = THROTTLE_ACTIVE, \ + .trigger_type[1] = THROTTLE_ACTIVE, \ + .trigger_type[2] = THROTTLE_ACTIVE, \ + .trigger_type[3] = 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 = 1400 * 1000, \ + .temp_level = 70, \ + }, \ + .freq_tab[1] = { \ + .freq_clip_max = 800 * 1000, \ + .temp_level = 85, \ + }, \ + .freq_tab[2] = { \ + .freq_clip_max = 200 * 1000, \ + .temp_level = 103, \ + }, \ + .freq_tab_count = 3, \ + .registers = &exynos4412_tmu_registers, \ + .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \ + TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \ + TMU_SUPPORT_EMUL_TIME) #endif #if defined(CONFIG_SOC_EXYNOS4412) struct exynos_tmu_init_data const exynos4412_default_tmu_data = { .tmu_data = { { +#ifdef CONFIG_CPU_FREQ_BOOST_SW + EXYNOS4412_TMU_DATA_BOOST, +#else EXYNOS4412_TMU_DATA, +#endif .type = SOC_ARCH_EXYNOS4412, .test_mux = EXYNOS4412_MUX_ADDR_VALUE, }, -- 1.7.10.4