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Signed-off-by: Chancel Liu --- Documentation/devicetree/bindings/sound/fsl,xcvr.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml index 223b8ea693dc..799b362ba498 100644 --- a/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml +++ b/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml @@ -21,6 +21,7 @@ properties: compatible: enum: - fsl,imx8mp-xcvr + - fsl,imx93-xcvr reg: items: From patchwork Thu Dec 29 06:30:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chancel Liu X-Patchwork-Id: 637687 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A81F1C4332F for ; Thu, 29 Dec 2022 06:30:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233007AbiL2Gas (ORCPT ); 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XCVR IP on i.MX93 is cut to SPDIF only by removing external PHY. Signed-off-by: Chancel Liu --- sound/soc/fsl/fsl_xcvr.c | 143 ++++++++++++++++++++++++++------------- sound/soc/fsl/fsl_xcvr.h | 7 ++ 2 files changed, 102 insertions(+), 48 deletions(-) diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c index 2a6802fb2a8b..b794158a7876 100644 --- a/sound/soc/fsl/fsl_xcvr.c +++ b/sound/soc/fsl/fsl_xcvr.c @@ -21,6 +21,7 @@ struct fsl_xcvr_soc_data { const char *fw_name; + bool spdif_only; }; struct fsl_xcvr { @@ -261,6 +262,9 @@ static int fsl_xcvr_en_phy_pll(struct fsl_xcvr *xcvr, u32 freq, bool tx) u32 i, div = 0, log2; int ret; + if (xcvr->soc_data->spdif_only) + return 0; + for (i = 0; i < ARRAY_SIZE(fsl_xcvr_pll_cfg); i++) { if (fsl_xcvr_pll_cfg[i].fout % freq == 0) { div = fsl_xcvr_pll_cfg[i].fout / freq; @@ -353,6 +357,7 @@ static int fsl_xcvr_en_aud_pll(struct fsl_xcvr *xcvr, u32 freq) struct device *dev = &xcvr->pdev->dev; int ret; + freq = xcvr->soc_data->spdif_only ? freq / 10 : freq; clk_disable_unprepare(xcvr->phy_clk); ret = clk_set_rate(xcvr->phy_clk, freq); if (ret < 0) { @@ -365,6 +370,8 @@ static int fsl_xcvr_en_aud_pll(struct fsl_xcvr *xcvr, u32 freq) return ret; } + if (xcvr->soc_data->spdif_only) + return 0; /* Release AI interface from reset */ ret = regmap_write(xcvr->regmap, FSL_XCVR_PHY_AI_CTRL_SET, FSL_XCVR_PHY_AI_CTRL_AI_RESETN); @@ -547,10 +554,12 @@ static int fsl_xcvr_startup(struct snd_pcm_substream *substream, xcvr->streams |= BIT(substream->stream); - /* Disable XCVR controls if there is stream started */ - fsl_xcvr_activate_ctl(dai, fsl_xcvr_mode_kctl.name, false); - fsl_xcvr_activate_ctl(dai, fsl_xcvr_arc_mode_kctl.name, false); - fsl_xcvr_activate_ctl(dai, fsl_xcvr_earc_capds_kctl.name, false); + if (!xcvr->soc_data->spdif_only) { + /* Disable XCVR controls if there is stream started */ + fsl_xcvr_activate_ctl(dai, fsl_xcvr_mode_kctl.name, false); + fsl_xcvr_activate_ctl(dai, fsl_xcvr_arc_mode_kctl.name, false); + fsl_xcvr_activate_ctl(dai, fsl_xcvr_earc_capds_kctl.name, false); + } return 0; } @@ -567,12 +576,13 @@ static void fsl_xcvr_shutdown(struct snd_pcm_substream *substream, /* Enable XCVR controls if there is no stream started */ if (!xcvr->streams) { - fsl_xcvr_activate_ctl(dai, fsl_xcvr_mode_kctl.name, true); - fsl_xcvr_activate_ctl(dai, fsl_xcvr_arc_mode_kctl.name, - (xcvr->mode == FSL_XCVR_MODE_ARC)); - fsl_xcvr_activate_ctl(dai, fsl_xcvr_earc_capds_kctl.name, - (xcvr->mode == FSL_XCVR_MODE_EARC)); - + if (!xcvr->soc_data->spdif_only) { + fsl_xcvr_activate_ctl(dai, fsl_xcvr_mode_kctl.name, true); + fsl_xcvr_activate_ctl(dai, fsl_xcvr_arc_mode_kctl.name, + (xcvr->mode == FSL_XCVR_MODE_ARC)); + fsl_xcvr_activate_ctl(dai, fsl_xcvr_earc_capds_kctl.name, + (xcvr->mode == FSL_XCVR_MODE_EARC)); + } ret = regmap_update_bits(xcvr->regmap, FSL_XCVR_EXT_IER0, FSL_XCVR_IRQ_EARC_ALL, 0); if (ret < 0) { @@ -673,7 +683,10 @@ static int fsl_xcvr_trigger(struct snd_pcm_substream *substream, int cmd, dev_err(dai->dev, "Failed to stop DATA_TX: %d\n", ret); return ret; } - fallthrough; + if (xcvr->soc_data->spdif_only) + break; + else + fallthrough; case FSL_XCVR_MODE_EARC: /* clear ISR_CMDC_TX_EN, W1C */ ret = regmap_write(xcvr->regmap, @@ -877,9 +890,13 @@ static int fsl_xcvr_dai_probe(struct snd_soc_dai *dai) snd_soc_dai_init_dma_data(dai, &xcvr->dma_prms_tx, &xcvr->dma_prms_rx); - snd_soc_add_dai_controls(dai, &fsl_xcvr_mode_kctl, 1); - snd_soc_add_dai_controls(dai, &fsl_xcvr_arc_mode_kctl, 1); - snd_soc_add_dai_controls(dai, &fsl_xcvr_earc_capds_kctl, 1); + if (xcvr->soc_data->spdif_only) + xcvr->mode = FSL_XCVR_MODE_SPDIF; + else { + snd_soc_add_dai_controls(dai, &fsl_xcvr_mode_kctl, 1); + snd_soc_add_dai_controls(dai, &fsl_xcvr_arc_mode_kctl, 1); + snd_soc_add_dai_controls(dai, &fsl_xcvr_earc_capds_kctl, 1); + } snd_soc_add_dai_controls(dai, fsl_xcvr_tx_ctls, ARRAY_SIZE(fsl_xcvr_tx_ctls)); snd_soc_add_dai_controls(dai, fsl_xcvr_rx_ctls, @@ -930,10 +947,11 @@ static const struct reg_default fsl_xcvr_reg_defaults[] = { { FSL_XCVR_ISR_SET, 0x00000000 }, { FSL_XCVR_ISR_CLR, 0x00000000 }, { FSL_XCVR_ISR_TOG, 0x00000000 }, - { FSL_XCVR_RX_DPTH_CTRL, 0x00002C89 }, - { FSL_XCVR_RX_DPTH_CTRL_SET, 0x00002C89 }, - { FSL_XCVR_RX_DPTH_CTRL_CLR, 0x00002C89 }, - { FSL_XCVR_RX_DPTH_CTRL_TOG, 0x00002C89 }, + { FSL_XCVR_CLK_CTRL, 0x0000018F }, + { FSL_XCVR_RX_DPTH_CTRL, 0x00040CC1 }, + { FSL_XCVR_RX_DPTH_CTRL_SET, 0x00040CC1 }, + { FSL_XCVR_RX_DPTH_CTRL_CLR, 0x00040CC1 }, + { FSL_XCVR_RX_DPTH_CTRL_TOG, 0x00040CC1 }, { FSL_XCVR_RX_DPTH_CNTR_CTRL, 0x00000000 }, { FSL_XCVR_RX_DPTH_CNTR_CTRL_SET, 0x00000000 }, { FSL_XCVR_RX_DPTH_CNTR_CTRL_CLR, 0x00000000 }, @@ -966,6 +984,12 @@ static const struct reg_default fsl_xcvr_reg_defaults[] = { static bool fsl_xcvr_readable_reg(struct device *dev, unsigned int reg) { + struct fsl_xcvr *xcvr = dev_get_drvdata(dev); + + if (xcvr->soc_data->spdif_only) + if ((reg >= FSL_XCVR_IER && reg <= FSL_XCVR_PHY_AI_RDATA) || + reg > FSL_XCVR_TX_DPTH_BCRR) + return false; switch (reg) { case FSL_XCVR_VERSION: case FSL_XCVR_EXT_CTRL: @@ -991,6 +1015,12 @@ static bool fsl_xcvr_readable_reg(struct device *dev, unsigned int reg) case FSL_XCVR_RX_DPTH_CTRL_SET: case FSL_XCVR_RX_DPTH_CTRL_CLR: case FSL_XCVR_RX_DPTH_CTRL_TOG: + case FSL_XCVR_RX_CS_DATA_0: + case FSL_XCVR_RX_CS_DATA_1: + case FSL_XCVR_RX_CS_DATA_2: + case FSL_XCVR_RX_CS_DATA_3: + case FSL_XCVR_RX_CS_DATA_4: + case FSL_XCVR_RX_CS_DATA_5: case FSL_XCVR_RX_DPTH_CNTR_CTRL: case FSL_XCVR_RX_DPTH_CNTR_CTRL_SET: case FSL_XCVR_RX_DPTH_CNTR_CTRL_CLR: @@ -1027,6 +1057,11 @@ static bool fsl_xcvr_readable_reg(struct device *dev, unsigned int reg) static bool fsl_xcvr_writeable_reg(struct device *dev, unsigned int reg) { + struct fsl_xcvr *xcvr = dev_get_drvdata(dev); + + if (xcvr->soc_data->spdif_only) + if (reg >= FSL_XCVR_IER && reg <= FSL_XCVR_PHY_AI_RDATA) + return false; switch (reg) { case FSL_XCVR_EXT_CTRL: case FSL_XCVR_EXT_IER0: @@ -1103,32 +1138,34 @@ static irqreturn_t irq0_isr(int irq, void *devid) if (isr & FSL_XCVR_IRQ_NEW_CS) { dev_dbg(dev, "Received new CS block\n"); isr_clr |= FSL_XCVR_IRQ_NEW_CS; - /* Data RAM is 4KiB, last two pages: 8 and 9. Select page 8. */ - regmap_update_bits(xcvr->regmap, FSL_XCVR_EXT_CTRL, - FSL_XCVR_EXT_CTRL_PAGE_MASK, - FSL_XCVR_EXT_CTRL_PAGE(8)); - - /* Find updated CS buffer */ - reg_ctrl = xcvr->ram_addr + FSL_XCVR_RX_CS_CTRL_0; - reg_buff = xcvr->ram_addr + FSL_XCVR_RX_CS_BUFF_0; - memcpy_fromio(&val, reg_ctrl, sizeof(val)); - if (!val) { - reg_ctrl = xcvr->ram_addr + FSL_XCVR_RX_CS_CTRL_1; - reg_buff = xcvr->ram_addr + FSL_XCVR_RX_CS_BUFF_1; + if (!xcvr->soc_data->spdif_only) { + /* Data RAM is 4KiB, last two pages: 8 and 9. Select page 8. */ + regmap_update_bits(xcvr->regmap, FSL_XCVR_EXT_CTRL, + FSL_XCVR_EXT_CTRL_PAGE_MASK, + FSL_XCVR_EXT_CTRL_PAGE(8)); + + /* Find updated CS buffer */ + reg_ctrl = xcvr->ram_addr + FSL_XCVR_RX_CS_CTRL_0; + reg_buff = xcvr->ram_addr + FSL_XCVR_RX_CS_BUFF_0; memcpy_fromio(&val, reg_ctrl, sizeof(val)); - } + if (!val) { + reg_ctrl = xcvr->ram_addr + FSL_XCVR_RX_CS_CTRL_1; + reg_buff = xcvr->ram_addr + FSL_XCVR_RX_CS_BUFF_1; + memcpy_fromio(&val, reg_ctrl, sizeof(val)); + } - if (val) { - /* copy CS buffer */ - memcpy_fromio(&xcvr->rx_iec958.status, reg_buff, - sizeof(xcvr->rx_iec958.status)); - for (i = 0; i < 6; i++) { - val = *(u32 *)(xcvr->rx_iec958.status + i*4); - *(u32 *)(xcvr->rx_iec958.status + i*4) = - bitrev32(val); + if (val) { + /* copy CS buffer */ + memcpy_fromio(&xcvr->rx_iec958.status, reg_buff, + sizeof(xcvr->rx_iec958.status)); + for (i = 0; i < 6; i++) { + val = *(u32 *)(xcvr->rx_iec958.status + i*4); + *(u32 *)(xcvr->rx_iec958.status + i*4) = + bitrev32(val); + } + /* clear CS control register */ + memset_io(reg_ctrl, 0, sizeof(val)); } - /* clear CS control register */ - memset_io(reg_ctrl, 0, sizeof(val)); } } if (isr & FSL_XCVR_IRQ_NEW_UD) { @@ -1168,8 +1205,13 @@ static const struct fsl_xcvr_soc_data fsl_xcvr_imx8mp_data = { .fw_name = "imx/xcvr/xcvr-imx8mp.bin", }; +static const struct fsl_xcvr_soc_data fsl_xcvr_imx93_data = { + .spdif_only = true, +}; + static const struct of_device_id fsl_xcvr_dt_ids[] = { { .compatible = "fsl,imx8mp-xcvr", .data = &fsl_xcvr_imx8mp_data }, + { .compatible = "fsl,imx93-xcvr", .data = &fsl_xcvr_imx93_data}, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, fsl_xcvr_dt_ids); @@ -1229,7 +1271,7 @@ static int fsl_xcvr_probe(struct platform_device *pdev) return PTR_ERR(xcvr->regmap); } - xcvr->reset = devm_reset_control_get_exclusive(dev, NULL); + xcvr->reset = devm_reset_control_get_optional_exclusive(dev, NULL); if (IS_ERR(xcvr->reset)) { dev_err(dev, "failed to get XCVR reset control\n"); return PTR_ERR(xcvr->reset); @@ -1306,12 +1348,14 @@ static __maybe_unused int fsl_xcvr_runtime_suspend(struct device *dev) if (ret < 0) dev_err(dev, "Failed to clear IER0: %d\n", ret); - /* Assert M0+ reset */ - ret = regmap_update_bits(xcvr->regmap, FSL_XCVR_EXT_CTRL, - FSL_XCVR_EXT_CTRL_CORE_RESET, - FSL_XCVR_EXT_CTRL_CORE_RESET); - if (ret < 0) - dev_err(dev, "Failed to assert M0+ core: %d\n", ret); + if (!xcvr->soc_data->spdif_only) { + /* Assert M0+ reset */ + ret = regmap_update_bits(xcvr->regmap, FSL_XCVR_EXT_CTRL, + FSL_XCVR_EXT_CTRL_CORE_RESET, + FSL_XCVR_EXT_CTRL_CORE_RESET); + if (ret < 0) + dev_err(dev, "Failed to assert M0+ core: %d\n", ret); + } regcache_cache_only(xcvr->regmap, true); @@ -1367,6 +1411,9 @@ static __maybe_unused int fsl_xcvr_runtime_resume(struct device *dev) goto stop_spba_clk; } + if (xcvr->soc_data->spdif_only) + return 0; + ret = reset_control_deassert(xcvr->reset); if (ret) { dev_err(dev, "failed to deassert M0+ reset.\n"); diff --git a/sound/soc/fsl/fsl_xcvr.h b/sound/soc/fsl/fsl_xcvr.h index 4769b0fca21d..044058fc6aa2 100644 --- a/sound/soc/fsl/fsl_xcvr.h +++ b/sound/soc/fsl/fsl_xcvr.h @@ -49,6 +49,13 @@ #define FSL_XCVR_RX_DPTH_CTRL_CLR 0x188 #define FSL_XCVR_RX_DPTH_CTRL_TOG 0x18c +#define FSL_XCVR_RX_CS_DATA_0 0x190 +#define FSL_XCVR_RX_CS_DATA_1 0x194 +#define FSL_XCVR_RX_CS_DATA_2 0x198 +#define FSL_XCVR_RX_CS_DATA_3 0x19C +#define FSL_XCVR_RX_CS_DATA_4 0x1A0 +#define FSL_XCVR_RX_CS_DATA_5 0x1A4 + #define FSL_XCVR_RX_DPTH_CNTR_CTRL 0x1C0 #define FSL_XCVR_RX_DPTH_CNTR_CTRL_SET 0x1C4 #define FSL_XCVR_RX_DPTH_CNTR_CTRL_CLR 0x1C8 From patchwork Thu Dec 29 06:30:09 2022 Content-Type: text/plain; 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Thu, 29 Dec 2022 06:30:42 +0000 From: Chancel Liu To: lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, perex@perex.cz, tiwai@suse.com, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Cc: Chancel Liu Subject: [PATCH v2 3/3] ASoC: fsl_xcvr: Add constraints of period size while using eDMA Date: Thu, 29 Dec 2022 14:30:09 +0800 Message-Id: <20221229063009.2396716-4-chancel.liu@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221229063009.2396716-1-chancel.liu@nxp.com> References: <20221229063009.2396716-1-chancel.liu@nxp.com> X-ClientProxiedBy: SG2PR02CA0017.apcprd02.prod.outlook.com (2603:1096:3:17::29) To AM0PR04MB4211.eurprd04.prod.outlook.com (2603:10a6:208:5b::30) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM0PR04MB4211:EE_|DU2PR04MB9193:EE_ X-MS-Office365-Filtering-Correlation-Id: 5bf28895-f001-4487-2b87-08dae9663551 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Signed-off-by: Chancel Liu --- sound/soc/fsl/fsl_xcvr.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c index b794158a7876..2a78243df752 100644 --- a/sound/soc/fsl/fsl_xcvr.c +++ b/sound/soc/fsl/fsl_xcvr.c @@ -22,6 +22,7 @@ struct fsl_xcvr_soc_data { const char *fw_name; bool spdif_only; + bool use_edma; }; struct fsl_xcvr { @@ -538,6 +539,16 @@ static int fsl_xcvr_startup(struct snd_pcm_substream *substream, return -EBUSY; } + /* + * EDMA controller needs period size to be a multiple of + * tx/rx maxburst + */ + if (xcvr->soc_data->use_edma) + snd_pcm_hw_constraint_step(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, + tx ? xcvr->dma_prms_tx.maxburst : + xcvr->dma_prms_rx.maxburst); + switch (xcvr->mode) { case FSL_XCVR_MODE_SPDIF: case FSL_XCVR_MODE_ARC: @@ -1207,6 +1218,7 @@ static const struct fsl_xcvr_soc_data fsl_xcvr_imx8mp_data = { static const struct fsl_xcvr_soc_data fsl_xcvr_imx93_data = { .spdif_only = true, + .use_edma = true, }; static const struct of_device_id fsl_xcvr_dt_ids[] = {