From 6668ed271eaefaa63e686bdfbedaeb7b8e492722 Mon Sep 17 00:00:00 2001 From: Kumar Kartikeya Dwivedi Date: Fri, 4 Sep 2026 10:43:19 +0200 Subject: selftests/bpf: Reject graph kptr use after RCU unlock Add a sleepable verifier test that loads a graph-node local kptr in an explicit RCU read-side critical section, then passes its node to bpf_rbtree_remove() after the section ends. Before the verifier fix, the stale NON_OWN_REF flag makes the node look like a live borrowed reference and the program is accepted. After the fix, the pointer is demoted without NON_OWN_REF and the graph kfunc argument is rejected. Also exercise a graph kptr loaded while a spin lock provides implicit RCU protection. The pointer must be invalidated when the lock is released, which guards the required ordering between non-owning-reference invalidation and RCU demotion. Update the existing fault-protected load test state description. The post-unlock pointer no longer carries NON_OWN_REF, but remains readable because the load is rewritten to use BPF_PROBE_MEM. Signed-off-by: Kumar Kartikeya Dwivedi Link: https://lore.kernel.org/r/20260904084325.52250-7-memxor@gmail.com Signed-off-by: Alexei Starovoitov --- sound/soc/codecs/da732x.h | 123 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 sound/soc/codecs/da732x.h (limited to 'sound/soc/codecs/da732x.h') diff --git a/sound/soc/codecs/da732x.h b/sound/soc/codecs/da732x.h new file mode 100644 index 000000000..c2f784c3f --- /dev/null +++ b/sound/soc/codecs/da732x.h @@ -0,0 +1,123 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * da732x.h -- Dialog DA732X ALSA SoC Audio Driver Header File + * + * Copyright (C) 2012 Dialog Semiconductor GmbH + * + * Author: Michal Hajduk + */ + +#ifndef __DA732X_H_ +#define __DA732X_H_ + +#include + +/* General */ +#define DA732X_U8_MASK 0xFF +#define DA732X_4BYTES 4 +#define DA732X_3BYTES 3 +#define DA732X_2BYTES 2 +#define DA732X_1BYTE 1 +#define DA732X_1BYTE_SHIFT 8 +#define DA732X_2BYTES_SHIFT 16 +#define DA732X_3BYTES_SHIFT 24 +#define DA732X_4BYTES_SHIFT 32 + +#define DA732X_DACS_DIS 0x0 +#define DA732X_HP_DIS 0x0 +#define DA732X_CLEAR_REG 0x0 + +/* Calibration */ +#define DA732X_DAC_OFFSET_STEP 0x20 +#define DA732X_OUTPUT_OFFSET_STEP 0x80 +#define DA732X_HP_OUT_TRIM_VAL 0x0 +#define DA732X_WAIT_FOR_STABILIZATION 1 +#define DA732X_HPL_DAC 0 +#define DA732X_HPR_DAC 1 +#define DA732X_HP_DACS 2 +#define DA732X_HPL_AMP 0 +#define DA732X_HPR_AMP 1 +#define DA732X_HP_AMPS 2 + +/* Clock settings */ +#define DA732X_STARTUP_DELAY 100 +#define DA732X_PLL_OUT_196608 196608000 +#define DA732X_PLL_OUT_180634 180633600 +#define DA732X_PLL_OUT_SRM 188620800 +#define DA732X_MCLK_10MHZ 10000000 +#define DA732X_MCLK_20MHZ 20000000 +#define DA732X_MCLK_40MHZ 40000000 +#define DA732X_MCLK_54MHZ 54000000 +#define DA732X_MCLK_VAL_0_10MHZ 0 +#define DA732X_MCLK_VAL_10_20MHZ 1 +#define DA732X_MCLK_VAL_20_40MHZ 2 +#define DA732X_MCLK_VAL_40_54MHZ 3 +#define DA732X_DAI_ID1 0 +#define DA732X_DAI_ID2 1 +#define DA732X_SRCCLK_PLL 0 +#define DA732X_SRCCLK_MCLK 1 + +#define DA732X_LIN_LP_VOL 0x4F +#define DA732X_LP_VOL 0x40 + +/* Kcontrols */ +#define DA732X_DAC_EN_MAX 2 +#define DA732X_ADCL_MUX_MAX 2 +#define DA732X_ADCR_MUX_MAX 3 +#define DA732X_HPF_MODE_MAX 3 +#define DA732X_HPF_MODE_SHIFT 4 +#define DA732X_HPF_MUSIC_SHIFT 0 +#define DA732X_HPF_MUSIC_MAX 4 +#define DA732X_HPF_VOICE_SHIFT 4 +#define DA732X_HPF_VOICE_MAX 8 +#define DA732X_EQ_EN_MAX 1 +#define DA732X_HPF_VOICE 1 +#define DA732X_HPF_MUSIC 2 +#define DA732X_HPF_DISABLED 0 +#define DA732X_NO_INVERT 0 +#define DA732X_INVERT 1 +#define DA732X_SWITCH_MAX 1 +#define DA732X_ENABLE_CP 1 +#define DA732X_DISABLE_CP 0 +#define DA732X_DISABLE_ALL_CLKS 0 +#define DA732X_RESET_ADCS 0 + +/* dB values */ +#define DA732X_MIC_VOL_DB_MIN 0 +#define DA732X_MIC_VOL_DB_INC 50 +#define DA732X_MIC_PRE_VOL_DB_MIN 0 +#define DA732X_MIC_PRE_VOL_DB_INC 600 +#define DA732X_AUX_VOL_DB_MIN -6000 +#define DA732X_AUX_VOL_DB_INC 150 +#define DA732X_HP_VOL_DB_MIN -2250 +#define DA732X_HP_VOL_DB_INC 150 +#define DA732X_LIN2_VOL_DB_MIN -1650 +#define DA732X_LIN2_VOL_DB_INC 150 +#define DA732X_LIN3_VOL_DB_MIN -1650 +#define DA732X_LIN3_VOL_DB_INC 150 +#define DA732X_LIN4_VOL_DB_MIN -2250 +#define DA732X_LIN4_VOL_DB_INC 150 +#define DA732X_EQ_BAND_VOL_DB_MIN -1050 +#define DA732X_EQ_BAND_VOL_DB_INC 150 +#define DA732X_DAC_VOL_DB_MIN -7725 +#define DA732X_DAC_VOL_DB_INC 75 +#define DA732X_ADC_VOL_DB_MIN 0 +#define DA732X_ADC_VOL_DB_INC -1 +#define DA732X_EQ_OVERALL_VOL_DB_MIN -1800 +#define DA732X_EQ_OVERALL_VOL_DB_INC 600 + +enum da732x_sysctl { + DA732X_SR_8KHZ = 0x1, + DA732X_SR_11_025KHZ = 0x2, + DA732X_SR_12KHZ = 0x3, + DA732X_SR_16KHZ = 0x5, + DA732X_SR_22_05KHZ = 0x6, + DA732X_SR_24KHZ = 0x7, + DA732X_SR_32KHZ = 0x9, + DA732X_SR_44_1KHZ = 0xA, + DA732X_SR_48KHZ = 0xB, + DA732X_SR_88_1KHZ = 0xE, + DA732X_SR_96KHZ = 0xF, +}; + +#endif /* __DA732X_H_ */ -- cgit v1.3.1