[08/15] ASoC: mediatek: mt8186: support src in platform driver

Message ID	20220211103818.8266-9-jiaxin.yu@mediatek.com (mailing list archive)
State	Superseded
Headers	show Return-Path: <alsa-devel-bounces@alsa-project.org> From: Jiaxin Yu <jiaxin.yu@mediatek.com> To: <broonie@kernel.org>, <lgirdwood@gmail.com>, <tiwai@suse.com>, <robh+dt@kernel.org>, <matthias.bgg@gmail.com>, <perex@perex.cz>, <p.zabel@pengutronix.de>, <geert+renesas@glider.be> Subject: [PATCH 08/15] ASoC: mediatek: mt8186: support src in platform driver Date: Fri, 11 Feb 2022 18:38:11 +0800 Message-ID: <20220211103818.8266-9-jiaxin.yu@mediatek.com> In-Reply-To: <20220211103818.8266-1-jiaxin.yu@mediatek.com> References: <20220211103818.8266-1-jiaxin.yu@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, zhangqilong3@huawei.com, linux-kernel@vger.kernel.org, Jiaxin Yu <jiaxin.yu@mediatek.com>, tzungbi@google.com, linux-mediatek@lists.infradead.org, trevor.wu@mediatek.com, linux-arm-kernel@lists.infradead.org Precedence: list Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" <alsa-devel-bounces@alsa-project.org>
Series	ASoC: mediatek: Add support for MT8186 SoC \| expand [00/15] ASoC: mediatek: Add support for MT8186 SoC [01/15] ASoC: mediatek: mt6366: add codec driver [02/15] ASoC: mediatek: mt8186: support audsys clock control [03/15] ASoC: mediatek: mt8186: support adda in platform driver [04/15] ASoC: mediatek: mt8186: support hostless in platform driver [05/15] ASoC: mediatek: mt8186: support hw gain in platform driver [06/15] ASoC: mediatek: mt8186: support i2s in platform driver [07/15] ASoC: mediatek: mt8186: support pcm in platform driver [08/15] ASoC: mediatek: mt8186: support src in platform driver [09/15] ASoC: mediatek: mt8186: support tdm in platform driver [11/15] dt-bindings: mediatek: mt8186: add audio afe document [12/15] ASoC: mediatek: mt8186: add machine driver with mt6366, da7219 and max98357 [13/15] dt-bindings: mediatek: mt8186: add mt8186-mt6366-da7219-max98357 document [14/15] ASoC: mediatek: mt8186: add machine driver with mt6366, rt1019 and rt5682 [15/15] dt-bindings: mediatek: mt8186: add mt8186-mt6366-rt1019-rt5682 document

diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-src.c b/sound/soc/mediatek/mt8186/mt8186-dai-src.c new file mode 100644 index 000000000000..d855e9e58845 --- /dev/null +++ b/sound/soc/mediatek/mt8186/mt8186-dai-src.c @@ -0,0 +1,758 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * MediaTek ALSA SoC Audio DAI SRC Control + * + * Copyright (c) 2022 MediaTek Inc. + * Author: Jiaxin Yu <jiaxin.yu@mediatek.com> + */ +#include <linux/regmap.h> +#include "mt8186-afe-common.h" +#include "mt8186-interconnection.h" + +struct mtk_afe_src_priv { + int dl_rate; + int ul_rate; +}; + +static const unsigned int src_iir_coeff_32_to_16[] = { + 0x0dbae6, 0xff9b0a, 0x0dbae6, 0x05e488, 0xe072b9, 0x000002, + 0x0dbae6, 0x000f3b, 0x0dbae6, 0x06a537, 0xe17d79, 0x000002, + 0x0dbae6, 0x01246a, 0x0dbae6, 0x087261, 0xe306be, 0x000002, + 0x0dbae6, 0x03437d, 0x0dbae6, 0x0bc16f, 0xe57c87, 0x000002, + 0x0dbae6, 0x072981, 0x0dbae6, 0x111dd3, 0xe94f2a, 0x000002, + 0x0dbae6, 0x0dc4a6, 0x0dbae6, 0x188611, 0xee85a0, 0x000002, + 0x0dbae6, 0x168b9a, 0x0dbae6, 0x200e8f, 0xf3ccf1, 0x000002, + 0x000000, 0x1b75cb, 0x1b75cb, 0x2374a2, 0x000000, 0x000001 +}; + +static const unsigned int src_iir_coeff_44_to_16[] = { + 0x09ae28, 0xf7d97d, 0x09ae28, 0x212a3d, 0xe0ac3a, 0x000002, + 0x09ae28, 0xf8525a, 0x09ae28, 0x216d72, 0xe234be, 0x000002, + 0x09ae28, 0xf980f5, 0x09ae28, 0x22a057, 0xe45a81, 0x000002, + 0x09ae28, 0xfc0a08, 0x09ae28, 0x24d3bd, 0xe7752d, 0x000002, + 0x09ae28, 0x016162, 0x09ae28, 0x27da01, 0xeb6ea8, 0x000002, + 0x09ae28, 0x0b67df, 0x09ae28, 0x2aca4a, 0xef34c4, 0x000002, + 0x000000, 0x135c50, 0x135c50, 0x2c1079, 0x000000, 0x000001 +}; + +static const unsigned int src_iir_coeff_44_to_32[] = { + 0x096966, 0x0c4d35, 0x096966, 0xedee81, 0xf05070, 0x000003, + 0x12d2cc, 0x193910, 0x12d2cc, 0xddbf4f, 0xe21e1d, 0x000002, + 0x12d2cc, 0x1a9e60, 0x12d2cc, 0xe18916, 0xe470fd, 0x000002, + 0x12d2cc, 0x1d06e0, 0x12d2cc, 0xe8a4a6, 0xe87b24, 0x000002, + 0x12d2cc, 0x207578, 0x12d2cc, 0xf4fe62, 0xef5917, 0x000002, + 0x12d2cc, 0x24055f, 0x12d2cc, 0x05ee2b, 0xf8b502, 0x000002, + 0x000000, 0x25a599, 0x25a599, 0x0fabe2, 0x000000, 0x000001 +}; + +static const unsigned int src_iir_coeff_48_to_16[] = { + 0x0296a4, 0xfd69dd, 0x0296a4, 0x209439, 0xe01ff9, 0x000002, + 0x0f4ff3, 0xf0d6d4, 0x0f4ff3, 0x209bc9, 0xe076c3, 0x000002, + 0x0e8490, 0xf1fe63, 0x0e8490, 0x20cfd6, 0xe12124, 0x000002, + 0x14852f, 0xed794a, 0x14852f, 0x21503d, 0xe28b32, 0x000002, + 0x136222, 0xf17677, 0x136222, 0x225be1, 0xe56964, 0x000002, + 0x0a8d85, 0xfc4a97, 0x0a8d85, 0x24310c, 0xea6952, 0x000002, + 0x05eff5, 0x043455, 0x05eff5, 0x4ced8f, 0xe134d6, 0x000001, + 0x000000, 0x3aebe6, 0x3aebe6, 0x04f3b0, 0x000000, 0x000004 +}; + +static const unsigned int src_iir_coeff_48_to_32[] = { + 0x10c1b8, 0x10a7df, 0x10c1b8, 0xe7514e, 0xe0b41f, 0x000002, + 0x10c1b8, 0x116257, 0x10c1b8, 0xe9402f, 0xe25aaa, 0x000002, + 0x10c1b8, 0x130c89, 0x10c1b8, 0xed3cc3, 0xe4dddb, 0x000002, + 0x10c1b8, 0x1600dd, 0x10c1b8, 0xf48000, 0xe90c55, 0x000002, + 0x10c1b8, 0x1a672e, 0x10c1b8, 0x00494c, 0xefa807, 0x000002, + 0x10c1b8, 0x1f38e6, 0x10c1b8, 0x0ee076, 0xf7c5f3, 0x000002, + 0x000000, 0x218370, 0x218370, 0x168b40, 0x000000, 0x000001 +}; + +static const unsigned int src_iir_coeff_48_to_44[] = { + 0x0bf71c, 0x170f3f, 0x0bf71c, 0xe3a4c8, 0xf096cb, 0x000003, + 0x0bf71c, 0x17395e, 0x0bf71c, 0xe58085, 0xf210c8, 0x000003, + 0x0bf71c, 0x1782bd, 0x0bf71c, 0xe95ef6, 0xf4c899, 0x000003, + 0x0bf71c, 0x17cd97, 0x0bf71c, 0xf1608a, 0xfa3b18, 0x000003, + 0x000000, 0x2fdc6f, 0x2fdc6f, 0xf15663, 0x000000, 0x000001 +}; + +static const unsigned int src_iir_coeff_96_to_16[] = { + 0x0805a1, 0xf21ae3, 0x0805a1, 0x3840bb, 0xe02a2e, 0x000002, + 0x0d5dd8, 0xe8f259, 0x0d5dd8, 0x1c0af6, 0xf04700, 0x000003, + 0x0bb422, 0xec08d9, 0x0bb422, 0x1bfccc, 0xf09216, 0x000003, + 0x08fde6, 0xf108be, 0x08fde6, 0x1bf096, 0xf10ae0, 0x000003, + 0x0ae311, 0xeeeda3, 0x0ae311, 0x37c646, 0xe385f5, 0x000002, + 0x044089, 0xfa7242, 0x044089, 0x37a785, 0xe56526, 0x000002, + 0x00c75c, 0xffb947, 0x00c75c, 0x378ba3, 0xe72c5f, 0x000002, + 0x000000, 0x0ef76e, 0x0ef76e, 0x377fda, 0x000000, 0x000001, +}; + +static const unsigned int src_iir_coeff_96_to_44[] = { + 0x08b543, 0xfd80f4, 0x08b543, 0x0e2332, 0xe06ed0, 0x000002, + 0x1b6038, 0xf90e7e, 0x1b6038, 0x0ec1ac, 0xe16f66, 0x000002, + 0x188478, 0xfbb921, 0x188478, 0x105859, 0xe2e596, 0x000002, + 0x13eff3, 0xffa707, 0x13eff3, 0x13455c, 0xe533b7, 0x000002, + 0x0dc239, 0x03d458, 0x0dc239, 0x17f120, 0xe8b617, 0x000002, + 0x0745f1, 0x05d790, 0x0745f1, 0x1e3d75, 0xed5f18, 0x000002, + 0x05641f, 0x085e2b, 0x05641f, 0x48efd0, 0xe3e9c8, 0x000001, + 0x000000, 0x28f632, 0x28f632, 0x273905, 0x000000, 0x000001, +}; + +static unsigned int mtk_get_src_freq_mode(struct mtk_base_afe *afe, int rate) +{ + switch (rate) { + case 8000: + return 0x00050000; + case 11025: + return 0x0006E400; + case 12000: + return 0x00078000; + case 16000: + return 0x000A0000; + case 22050: + return 0x000DC800; + case 24000: + return 0x000F0000; + case 32000: + return 0x00140000; + case 44100: + return 0x001B9000; + case 48000: + return 0x001E0000; + case 88200: + return 0x00372000; + case 96000: + return 0x003C0000; + case 176400: + return 0x006E4000; + case 192000: + return 0x00780000; + default: + dev_info(afe->dev, "%s(), rate %d invalid!!!\n", + __func__, rate); + return 0; + } +} + +static const unsigned int *get_iir_coeff(unsigned int rate_in, + unsigned int rate_out, + unsigned int *param_num) +{ + if (rate_in == 32000 && rate_out == 16000) { + *param_num = ARRAY_SIZE(src_iir_coeff_32_to_16); + return src_iir_coeff_32_to_16; + } else if (rate_in == 44100 && rate_out == 16000) { + *param_num = ARRAY_SIZE(src_iir_coeff_44_to_16); + return src_iir_coeff_44_to_16; + } else if (rate_in == 44100 && rate_out == 32000) { + *param_num = ARRAY_SIZE(src_iir_coeff_44_to_32); + return src_iir_coeff_44_to_32; + } else if ((rate_in == 48000 && rate_out == 16000) || + (rate_in == 96000 && rate_out == 32000)) { + *param_num = ARRAY_SIZE(src_iir_coeff_48_to_16); + return src_iir_coeff_48_to_16; + } else if (rate_in == 48000 && rate_out == 32000) { + *param_num = ARRAY_SIZE(src_iir_coeff_48_to_32); + return src_iir_coeff_48_to_32; + } else if (rate_in == 48000 && rate_out == 44100) { + *param_num = ARRAY_SIZE(src_iir_coeff_48_to_44); + return src_iir_coeff_48_to_44; + } else if (rate_in == 96000 && rate_out == 16000) { + *param_num = ARRAY_SIZE(src_iir_coeff_96_to_16); + return src_iir_coeff_96_to_16; + } else if ((rate_in == 96000 && rate_out == 44100) || + (rate_in == 48000 && rate_out == 22050)) { + *param_num = ARRAY_SIZE(src_iir_coeff_96_to_44); + return src_iir_coeff_96_to_44; + } + + *param_num = 0; + return NULL; +} + +#define DEBUG_COEFF +static int mtk_set_src_1_param(struct mtk_base_afe *afe, int id) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id]; + unsigned int iir_coeff_num; + unsigned int iir_stage; + int rate_in = src_priv->dl_rate; + int rate_out = src_priv->ul_rate; + unsigned int out_freq_mode = mtk_get_src_freq_mode(afe, + rate_out); + unsigned int in_freq_mode = mtk_get_src_freq_mode(afe, + rate_in); + + /* set out freq mode */ + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON3, + G_SRC_ASM_FREQ_4_MASK_SFT, + out_freq_mode << G_SRC_ASM_FREQ_4_SFT); + + /* set in freq mode */ + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON4, + G_SRC_ASM_FREQ_5_MASK_SFT, + in_freq_mode << G_SRC_ASM_FREQ_5_SFT); + + regmap_write(afe->regmap, + AFE_GENERAL1_ASRC_2CH_CON5, 0x003f5986); + regmap_write(afe->regmap, + AFE_GENERAL1_ASRC_2CH_CON5, 0x003f5987); + regmap_write(afe->regmap, + AFE_GENERAL1_ASRC_2CH_CON6, 0x00001fbd); + regmap_write(afe->regmap, + AFE_GENERAL1_ASRC_2CH_CON2, 0x00000000); + + /* set iir if in_rate > out_rate */ + if (rate_in > rate_out) { + int i; +#ifdef DEBUG_COEFF + int reg_val; +#endif + const unsigned int *iir_coeff = get_iir_coeff(rate_in, rate_out, + &iir_coeff_num); + + if (iir_coeff_num == 0 || !iir_coeff) { + dev_info(afe->dev, "%s(), iir coeff error, num %d, coeff %p\n", + __func__, iir_coeff_num, iir_coeff); + return -EINVAL; + } + + /* COEFF_SRAM_CTRL */ + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON0, + G_SRC_COEFF_SRAM_CTRL_MASK_SFT, + 0x1 << G_SRC_COEFF_SRAM_CTRL_SFT); + /* Clear coeff history to r/w coeff from the first position */ + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON13, + G_SRC_COEFF_SRAM_ADR_MASK_SFT, + 0x0); + /* Write SRC coeff, should not read the reg during write */ + for (i = 0; i < iir_coeff_num; i++) + regmap_write(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON12, + iir_coeff[i]); + +#ifdef DEBUG_COEFF + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON13, + G_SRC_COEFF_SRAM_ADR_MASK_SFT, + 0x0); + + for (i = 0; i < iir_coeff_num; i++) { + regmap_read(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON12, + &reg_val); + dev_info(afe->dev, "%s(), i = %d, coeff = 0x%x\n", + __func__, i, reg_val); + } +#endif + /* disable sram access */ + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON0, + G_SRC_COEFF_SRAM_CTRL_MASK_SFT, + 0x0); + /* CHSET_IIR_STAGE */ + iir_stage = (iir_coeff_num / 6) - 1; + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2, + G_SRC_CHSET_IIR_STAGE_MASK_SFT, + iir_stage << G_SRC_CHSET_IIR_STAGE_SFT); + /* CHSET_IIR_EN */ + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2, + G_SRC_CHSET_IIR_EN_MASK_SFT, + 0x1 << G_SRC_CHSET_IIR_EN_SFT); + } else { + /* CHSET_IIR_EN off */ + regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2, + G_SRC_CHSET_IIR_EN_MASK_SFT, + 0x0); + } + + return 0; +} + +static int mtk_set_src_2_param(struct mtk_base_afe *afe, int id) +{ + struct mt8186_afe_private *afe_priv = afe->platform_priv; + struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id]; + unsigned int iir_coeff_num; + unsigned int iir_stage; + int rate_in = src_priv->dl_rate; + int rate_out = src_priv->ul_rate; + unsigned int out_freq_mode = mtk_get_src_freq_mode(afe, + rate_out); + unsigned int in_freq_mode = mtk_get_src_freq_mode(afe, + rate_in); + + /* set out freq mode */ + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON3, + G_SRC_ASM_FREQ_4_MASK_SFT, + out_freq_mode << G_SRC_ASM_FREQ_4_SFT); + + /* set in freq mode */ + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON4, + G_SRC_ASM_FREQ_5_MASK_SFT, + in_freq_mode << G_SRC_ASM_FREQ_5_SFT); + + regmap_write(afe->regmap, + AFE_GENERAL2_ASRC_2CH_CON5, 0x003f5986); + regmap_write(afe->regmap, + AFE_GENERAL2_ASRC_2CH_CON5, 0x003f5987); + regmap_write(afe->regmap, + AFE_GENERAL2_ASRC_2CH_CON6, 0x00001fbd); + regmap_write(afe->regmap, + AFE_GENERAL2_ASRC_2CH_CON2, 0x00000000); + + /* set iir if in_rate > out_rate */ + if (rate_in > rate_out) { + int i; +#ifdef DEBUG_COEFF + int reg_val; +#endif + const unsigned int *iir_coeff = get_iir_coeff(rate_in, rate_out, + &iir_coeff_num); + + if (iir_coeff_num == 0 || !iir_coeff) { + dev_info(afe->dev, "%s(), iir coeff error, num %d, coeff %p\n", + __func__, iir_coeff_num, iir_coeff); + return -EINVAL; + } + + /* COEFF_SRAM_CTRL */ + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON0, + G_SRC_COEFF_SRAM_CTRL_MASK_SFT, + 0x1 << G_SRC_COEFF_SRAM_CTRL_SFT); + /* Clear coeff history to r/w coeff from the first position */ + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON13, + G_SRC_COEFF_SRAM_ADR_MASK_SFT, + 0x0); + /* Write SRC coeff, should not read the reg during write */ + for (i = 0; i < iir_coeff_num; i++) + regmap_write(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON12, + iir_coeff[i]); + +#ifdef DEBUG_COEFF + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON13, + G_SRC_COEFF_SRAM_ADR_MASK_SFT, + 0x0); + + for (i = 0; i < iir_coeff_num; i++) { + regmap_read(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON12, + &reg_val); + dev_info(afe->dev, "%s(), i = %d, coeff = 0x%x\n", + __func__, i, reg_val); + } +#endif + /* disable sram access */ + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON0, + G_SRC_COEFF_SRAM_CTRL_MASK_SFT, + 0x0); + /* CHSET_IIR_STAGE */ + iir_stage = (iir_coeff_num / 6) - 1; + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2, + G_SRC_CHSET_IIR_STAGE_MASK_SFT, + iir_stage << G_SRC_CHSET_IIR_STAGE_SFT); + /* CHSET_IIR_EN */ + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2, + G_SRC_CHSET_IIR_EN_MASK_SFT, + 0x1 << G_SRC_CHSET_IIR_EN_SFT); + } else { + /* CHSET_IIR_EN off */ + regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2, + G_SRC_CHSET_IIR_EN_MASK_SFT, 0x0); + } + + return 0; +} + +#define HW_SRC_1_EN_W_NAME "HW_SRC_1_Enable" +#define HW_SRC_2_EN_W_NAME "HW_SRC_2_Enable" + +static int mtk_hw_src_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, + int event) +{ + struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int id; + struct mtk_afe_src_priv *src_priv; + unsigned int reg; + + if (strcmp(w->name, HW_SRC_1_EN_W_NAME) == 0) + id = MT8186_DAI_SRC_1; + else + id = MT8186_DAI_SRC_2; + + src_priv = afe_priv->dai_priv[id]; + + dev_info(afe->dev, "%s(), name %s, event 0x%x, id %d, src_priv %p, dl_rate %d, ul_rate %d\n", + __func__, + w->name, event, + id, src_priv, + src_priv->dl_rate, + src_priv->ul_rate); + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + if (id == MT8186_DAI_SRC_1) + mtk_set_src_1_param(afe, id); + else + mtk_set_src_2_param(afe, id); + break; + case SND_SOC_DAPM_POST_PMU: + reg = (id == MT8186_DAI_SRC_1) ? + AFE_GENERAL1_ASRC_2CH_CON0 : AFE_GENERAL2_ASRC_2CH_CON0; + /* ASM_ON */ + regmap_update_bits(afe->regmap, reg, + G_SRC_ASM_ON_MASK_SFT, + 0x1 << G_SRC_ASM_ON_SFT); + /* CHSET_ON */ + regmap_update_bits(afe->regmap, reg, + G_SRC_CHSET_ON_MASK_SFT, + 0x1 << G_SRC_CHSET_ON_SFT); + /* CHSET_STR_CLR */ + regmap_update_bits(afe->regmap, reg, + G_SRC_CHSET_STR_CLR_MASK_SFT, + 0x1 << G_SRC_CHSET_STR_CLR_SFT); + break; + case SND_SOC_DAPM_PRE_PMD: + reg = (id == MT8186_DAI_SRC_1) ? + AFE_GENERAL1_ASRC_2CH_CON0 : AFE_GENERAL2_ASRC_2CH_CON0; + /* ASM_OFF */ + regmap_update_bits(afe->regmap, reg, + G_SRC_ASM_ON_MASK_SFT, 0x0); + /* CHSET_OFF */ + regmap_update_bits(afe->regmap, reg, + G_SRC_CHSET_ON_MASK_SFT, 0x0); + /* CHSET_STR_CLR */ + regmap_update_bits(afe->regmap, reg, + G_SRC_CHSET_STR_CLR_MASK_SFT, 0x0); + break; + default: + break; + } + + return 0; +} + +/* dai component */ +static const struct snd_kcontrol_new mtk_hw_src_1_in_ch1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN40, + I_DL1_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN40, + I_DL2_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN40, + I_DL3_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN40_1, + I_DL4_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1", AFE_CONN40_1, + I_DL6_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN40, + I_I2S0_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1", AFE_CONN40_1, + I_DL5_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_hw_src_1_in_ch2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN41, + I_DL1_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN41, + I_DL2_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN41, + I_DL3_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN41_1, + I_DL4_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2", AFE_CONN41_1, + I_DL6_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN41, + I_I2S0_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2", AFE_CONN41_1, + I_DL5_CH2, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_hw_src_2_in_ch1_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN42, + I_DL1_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN42, + I_DL2_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN42, + I_DL3_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1", AFE_CONN42, + I_DL4_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1", AFE_CONN42_1, + I_DL5_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1", AFE_CONN42_1, + I_DL6_CH1, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("HW_GAIN2_OUT_CH1", AFE_CONN42, + I_GAIN2_OUT_CH1, 1, 0), +}; + +static const struct snd_kcontrol_new mtk_hw_src_2_in_ch2_mix[] = { + SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN43, + I_DL1_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN43, + I_DL2_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN43, + I_DL3_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2", AFE_CONN43, + I_DL4_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2", AFE_CONN43_1, + I_DL5_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2", AFE_CONN43_1, + I_DL6_CH2, 1, 0), + SOC_DAPM_SINGLE_AUTODISABLE("HW_GAIN2_OUT_CH2", AFE_CONN43, + I_GAIN2_OUT_CH2, 1, 0), +}; + +static const struct snd_soc_dapm_widget mtk_dai_src_widgets[] = { + /* inter-connections */ + SND_SOC_DAPM_MIXER("HW_SRC_1_IN_CH1", SND_SOC_NOPM, 0, 0, + mtk_hw_src_1_in_ch1_mix, + ARRAY_SIZE(mtk_hw_src_1_in_ch1_mix)), + SND_SOC_DAPM_MIXER("HW_SRC_1_IN_CH2", SND_SOC_NOPM, 0, 0, + mtk_hw_src_1_in_ch2_mix, + ARRAY_SIZE(mtk_hw_src_1_in_ch2_mix)), + SND_SOC_DAPM_MIXER("HW_SRC_2_IN_CH1", SND_SOC_NOPM, 0, 0, + mtk_hw_src_2_in_ch1_mix, + ARRAY_SIZE(mtk_hw_src_2_in_ch1_mix)), + SND_SOC_DAPM_MIXER("HW_SRC_2_IN_CH2", SND_SOC_NOPM, 0, 0, + mtk_hw_src_2_in_ch2_mix, + ARRAY_SIZE(mtk_hw_src_2_in_ch2_mix)), + + SND_SOC_DAPM_SUPPLY(HW_SRC_1_EN_W_NAME, + GENERAL_ASRC_EN_ON, GENERAL1_ASRC_EN_ON_SFT, 0, + mtk_hw_src_event, + SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD), + + SND_SOC_DAPM_SUPPLY(HW_SRC_2_EN_W_NAME, + GENERAL_ASRC_EN_ON, GENERAL2_ASRC_EN_ON_SFT, 0, + mtk_hw_src_event, + SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD), + + SND_SOC_DAPM_INPUT("HW SRC 1 Out Endpoint"), + SND_SOC_DAPM_INPUT("HW SRC 2 Out Endpoint"), + SND_SOC_DAPM_OUTPUT("HW SRC 1 In Endpoint"), + SND_SOC_DAPM_OUTPUT("HW SRC 2 In Endpoint"), +}; + +static int mtk_afe_src_en_connect(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink) +{ + struct snd_soc_dapm_widget *w = source; + struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm); + struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt); + struct mt8186_afe_private *afe_priv = afe->platform_priv; + struct mtk_afe_src_priv *src_priv; + + if (strcmp(w->name, HW_SRC_1_EN_W_NAME) == 0) + src_priv = afe_priv->dai_priv[MT8186_DAI_SRC_1]; + else + src_priv = afe_priv->dai_priv[MT8186_DAI_SRC_2]; + + dev_info(afe->dev, + "%s(), source %s, sink %s, dl_rate %d, ul_rate %d\n", + __func__, source->name, sink->name, + src_priv->dl_rate, src_priv->ul_rate); + + return (src_priv->dl_rate > 0 && src_priv->ul_rate > 0) ? 1 : 0; +} + +static const struct snd_soc_dapm_route mtk_dai_src_routes[] = { + {"HW_SRC_1_IN_CH1", "DL1_CH1", "DL1"}, + {"HW_SRC_1_IN_CH2", "DL1_CH2", "DL1"}, + {"HW_SRC_2_IN_CH1", "DL1_CH1", "DL1"}, + {"HW_SRC_2_IN_CH2", "DL1_CH2", "DL1"}, + {"HW_SRC_1_IN_CH1", "DL2_CH1", "DL2"}, + {"HW_SRC_1_IN_CH2", "DL2_CH2", "DL2"}, + {"HW_SRC_2_IN_CH1", "DL2_CH1", "DL2"}, + {"HW_SRC_2_IN_CH2", "DL2_CH2", "DL2"}, + {"HW_SRC_1_IN_CH1", "DL3_CH1", "DL3"}, + {"HW_SRC_1_IN_CH2", "DL3_CH2", "DL3"}, + {"HW_SRC_2_IN_CH1", "DL3_CH1", "DL3"}, + {"HW_SRC_2_IN_CH2", "DL3_CH2", "DL3"}, + {"HW_SRC_1_IN_CH1", "DL6_CH1", "DL6"}, + {"HW_SRC_1_IN_CH2", "DL6_CH2", "DL6"}, + {"HW_SRC_2_IN_CH1", "DL6_CH1", "DL6"}, + {"HW_SRC_2_IN_CH2", "DL6_CH2", "DL6"}, + {"HW_SRC_1_IN_CH1", "DL5_CH1", "DL5"}, + {"HW_SRC_1_IN_CH2", "DL5_CH2", "DL5"}, + {"HW_SRC_2_IN_CH1", "DL5_CH1", "DL5"}, + {"HW_SRC_2_IN_CH2", "DL5_CH2", "DL5"}, + {"HW_SRC_1_IN_CH1", "DL4_CH1", "DL4"}, + {"HW_SRC_1_IN_CH2", "DL4_CH2", "DL4"}, + {"HW_SRC_2_IN_CH1", "DL4_CH1", "DL4"}, + {"HW_SRC_2_IN_CH2", "DL4_CH2", "DL4"}, + + {"HW_SRC_1_In", NULL, "HW_SRC_1_IN_CH1"}, + {"HW_SRC_1_In", NULL, "HW_SRC_1_IN_CH2"}, + + {"HW_SRC_2_In", NULL, "HW_SRC_2_IN_CH1"}, + {"HW_SRC_2_In", NULL, "HW_SRC_2_IN_CH2"}, + + {"HW_SRC_1_In", NULL, HW_SRC_1_EN_W_NAME, mtk_afe_src_en_connect}, + {"HW_SRC_1_Out", NULL, HW_SRC_1_EN_W_NAME, mtk_afe_src_en_connect}, + {"HW_SRC_2_In", NULL, HW_SRC_2_EN_W_NAME, mtk_afe_src_en_connect}, + {"HW_SRC_2_Out", NULL, HW_SRC_2_EN_W_NAME, mtk_afe_src_en_connect}, + + {"HW SRC 1 In Endpoint", NULL, "HW_SRC_1_In"}, + {"HW SRC 2 In Endpoint", NULL, "HW_SRC_2_In"}, + {"HW_SRC_1_Out", NULL, "HW SRC 1 Out Endpoint"}, + {"HW_SRC_2_Out", NULL, "HW SRC 2 Out Endpoint"}, +}; + +/* dai ops */ +static int mtk_dai_src_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int id = dai->id; + struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id]; + unsigned int sft, mask; + unsigned int rate = params_rate(params); + unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, id); + + dev_info(afe->dev, "%s(), id %d, stream %d, rate %d\n", + __func__, + id, + substream->stream, + rate); + + /* rate */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + src_priv->dl_rate = rate; + if (id == MT8186_DAI_SRC_1) { + sft = GENERAL1_ASRCIN_MODE_SFT; + mask = GENERAL1_ASRCIN_MODE_MASK; + } else { + sft = GENERAL2_ASRCIN_MODE_SFT; + mask = GENERAL2_ASRCIN_MODE_MASK; + } + } else { + src_priv->ul_rate = rate; + if (id == MT8186_DAI_SRC_1) { + sft = GENERAL1_ASRCOUT_MODE_SFT; + mask = GENERAL1_ASRCOUT_MODE_MASK; + } else { + sft = GENERAL2_ASRCOUT_MODE_SFT; + mask = GENERAL2_ASRCOUT_MODE_MASK; + } + } + + regmap_update_bits(afe->regmap, + GENERAL_ASRC_MODE, + mask << sft, + rate_reg << sft); + + return 0; +} + +static int mtk_dai_src_hw_free(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai); + struct mt8186_afe_private *afe_priv = afe->platform_priv; + int id = dai->id; + struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id]; + + dev_info(afe->dev, "%s(), id %d, stream %d\n", + __func__, + id, + substream->stream); + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + src_priv->dl_rate = 0; + else + src_priv->ul_rate = 0; + + return 0; +} + +static const struct snd_soc_dai_ops mtk_dai_src_ops = { + .hw_params = mtk_dai_src_hw_params, + .hw_free = mtk_dai_src_hw_free, +}; + +/* dai driver */ +#define MTK_SRC_RATES (SNDRV_PCM_RATE_8000_48000 |\ + SNDRV_PCM_RATE_88200 |\ + SNDRV_PCM_RATE_96000 |\ + SNDRV_PCM_RATE_176400 |\ + SNDRV_PCM_RATE_192000) + +#define MTK_SRC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S24_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_driver mtk_dai_src_driver[] = { + { + .name = "HW_SRC_1", + .id = MT8186_DAI_SRC_1, + .playback = { + .stream_name = "HW_SRC_1_In", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_SRC_RATES, + .formats = MTK_SRC_FORMATS, + }, + .capture = { + .stream_name = "HW_SRC_1_Out", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_SRC_RATES, + .formats = MTK_SRC_FORMATS, + }, + .ops = &mtk_dai_src_ops, + }, + { + .name = "HW_SRC_2", + .id = MT8186_DAI_SRC_2, + .playback = { + .stream_name = "HW_SRC_2_In", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_SRC_RATES, + .formats = MTK_SRC_FORMATS, + }, + .capture = { + .stream_name = "HW_SRC_2_Out", + .channels_min = 1, + .channels_max = 2, + .rates = MTK_SRC_RATES, + .formats = MTK_SRC_FORMATS, + }, + .ops = &mtk_dai_src_ops, + }, +}; + +int mt8186_dai_src_register(struct mtk_base_afe *afe) +{ + struct mtk_base_afe_dai *dai; + int ret; + + dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL); + if (!dai) + return -ENOMEM; + + list_add(&dai->list, &afe->sub_dais); + + dai->dai_drivers = mtk_dai_src_driver; + dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_src_driver); + + dai->dapm_widgets = mtk_dai_src_widgets; + dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_src_widgets); + dai->dapm_routes = mtk_dai_src_routes; + dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_src_routes); + + /* set dai priv */ + ret = mt8186_dai_set_priv(afe, MT8186_DAI_SRC_1, + sizeof(struct mtk_afe_src_priv), NULL); + if (ret) + return ret; + + ret = mt8186_dai_set_priv(afe, MT8186_DAI_SRC_2, + sizeof(struct mtk_afe_src_priv), NULL); + if (ret) + return ret; + + return 0; +}

[08/15] ASoC: mediatek: mt8186: support src in platform driver

Commit Message

Patch