1 /* SPDX-License-Identifier: BSD-3-Clause 2 * 3 * Copyright(c) 2017 Intel Corporation. All rights reserved. 4 * 5 * Author: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com> 6 * Liam Girdwood <liam.r.girdwood@linux.intel.com> 7 * Keyon Jie <yang.jie@linux.intel.com> 8 */ 9 10 #ifndef __SOF_AUDIO_EQ_FIR_FIR_CONFIG_H__ 11 #define __SOF_AUDIO_EQ_FIR_FIR_CONFIG_H__ 12 13 /* Prevent xtensa gcc built firmware to be configured for longer 14 * filter that it can process. This length limitation (# of taps) is for one 15 * channel, for stereo the channel specific limit is this divided by two, 16 * etc. 17 */ 18 #ifndef __XCC__ 19 #ifdef __XTENSA__ 20 #define FIR_MAX_LENGTH_BUILD_SPECIFIC 80 21 #endif 22 #endif 23 24 /* If next defines are set to 1 the EQ is configured automatically. Setting 25 * to zero temporarily is useful is for testing needs. 26 * Setting EQ_FIR_AUTOARCH to 0 allows to manually set the code variant. 27 */ 28 #define FIR_AUTOARCH 1 29 30 /* Force manually some code variant when EQ_FIR_AUTODSP is set to zero. These 31 * are useful in code debugging. 32 */ 33 #if FIR_AUTOARCH == 0 34 #define FIR_GENERIC 0 35 #define FIR_HIFIEP 0 36 #define FIR_HIFI3 1 37 #endif 38 39 /* Select optimized code variant when xt-xcc compiler is used */ 40 #if FIR_AUTOARCH == 1 41 #if defined __XCC__ 42 #include <xtensa/config/core-isa.h> 43 #define FIR_GENERIC 0 44 #if XCHAL_HAVE_HIFI2EP == 1 45 #define FIR_HIFIEP 1 46 #define FIR_HIFI3 0 47 #elif XCHAL_HAVE_HIFI3 == 1 48 #define FIR_HIFI3 1 49 #define FIR_HIFIEP 0 50 #else 51 #error "No HIFIEP or HIFI3 found. Cannot build FIR module." 52 #endif 53 #else 54 /* GCC */ 55 #define FIR_GENERIC 1 56 #define FIR_HIFIEP 0 57 #define FIR_HIFI3 0 58 #endif 59 #endif 60 61 #endif /* __SOF_AUDIO_EQ_FIR_FIR_CONFIG_H__ */ 62
