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Wed, 13 Apr 2022 09:37:35 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.2375.24 via Frontend Transport; Wed, 13 Apr 2022 09:37:35 +0100 Received: from aryzen.ad.cirrus.com (unknown [198.61.64.152]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id E0B43B06; Wed, 13 Apr 2022 08:37:34 +0000 (UTC) From: Lucas Tanure To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Jaroslav Kysela , Takashi Iwai Subject: [PATCH v7 16/16] ASoC: cs35l41: Support external boost Date: Wed, 13 Apr 2022 09:37:28 +0100 Message-ID: <20220413083728.10730-17-tanureal@opensource.cirrus.com> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220413083728.10730-1-tanureal@opensource.cirrus.com> References: <20220413083728.10730-1-tanureal@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: OXCRXMYThKhBYlBxzJrgDlHm-i_fnxv_ X-Proofpoint-GUID: OXCRXMYThKhBYlBxzJrgDlHm-i_fnxv_ X-Proofpoint-Spam-Reason: safe Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Charles Keepax , Lucas Tanure , patches@opensource.cirrus.com, linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Add support for external boost voltage, where GPIO1 must control a switch to isolate CS35L41 from the external Boost Voltage Signed-off-by: Lucas Tanure Acked-by: Charles Keepax Acked-by: Mark Brown --- include/sound/cs35l41.h | 4 +-- sound/soc/codecs/cs35l41-lib.c | 5 ++-- sound/soc/codecs/cs35l41.c | 49 +++++++++++++++++++++++++--------- 3 files changed, 41 insertions(+), 17 deletions(-) diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h index ac629f852f2a..dbe8d9c0191b 100644 --- a/include/sound/cs35l41.h +++ b/include/sound/cs35l41.h @@ -701,6 +701,8 @@ #define CS35L41_GPIO1_CTRL_SHIFT 16 #define CS35L41_GPIO2_CTRL_MASK 0x07000000 #define CS35L41_GPIO2_CTRL_SHIFT 24 +#define CS35L41_GPIO_LVL_SHIFT 15 +#define CS35L41_GPIO_LVL_MASK BIT(CS35L41_GPIO_LVL_SHIFT) #define CS35L41_GPIO_POL_MASK 0x1000 #define CS35L41_GPIO_POL_SHIFT 12 @@ -802,8 +804,6 @@ int cs35l41_register_errata_patch(struct device *dev, struct regmap *reg, unsign int cs35l41_set_channels(struct device *dev, struct regmap *reg, unsigned int tx_num, unsigned int *tx_slot, unsigned int rx_num, unsigned int *rx_slot); -int cs35l41_boost_config(struct device *dev, struct regmap *regmap, int boost_ind, int boost_cap, - int boost_ipk); int cs35l41_gpio_config(struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg); int cs35l41_init_boost(struct device *dev, struct regmap *regmap, struct cs35l41_hw_cfg *hw_cfg); diff --git a/sound/soc/codecs/cs35l41-lib.c b/sound/soc/codecs/cs35l41-lib.c index 2d3b577a63e3..491616c7c5c7 100644 --- a/sound/soc/codecs/cs35l41-lib.c +++ b/sound/soc/codecs/cs35l41-lib.c @@ -954,8 +954,8 @@ static const unsigned char cs35l41_bst_slope_table[4] = { 0x75, 0x6B, 0x3B, 0x28 }; -int cs35l41_boost_config(struct device *dev, struct regmap *regmap, int boost_ind, - int boost_cap, int boost_ipk) +static int cs35l41_boost_config(struct device *dev, struct regmap *regmap, int boost_ind, + int boost_cap, int boost_ipk) { unsigned char bst_lbst_val, bst_cbst_range, bst_ipk_scaled; int ret; @@ -1040,7 +1040,6 @@ int cs35l41_boost_config(struct device *dev, struct regmap *regmap, int boost_in return 0; } -EXPORT_SYMBOL_GPL(cs35l41_boost_config); static const struct reg_sequence cs35l41_safe_to_reset[] = { { 0x00000040, 0x00000055 }, diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index d25689fe0c60..912196f45648 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -578,15 +578,10 @@ static int cs35l41_main_amp_event(struct snd_soc_dapm_widget *w, cs35l41_pup_patch, ARRAY_SIZE(cs35l41_pup_patch)); - regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL1, - CS35L41_GLOBAL_EN_MASK, - 1 << CS35L41_GLOBAL_EN_SHIFT); - - usleep_range(1000, 1100); + cs35l41_global_enable(cs35l41->regmap, cs35l41->hw_cfg.bst_type, 1); break; case SND_SOC_DAPM_POST_PMD: - regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL1, - CS35L41_GLOBAL_EN_MASK, 0); + cs35l41_global_enable(cs35l41->regmap, cs35l41->hw_cfg.bst_type, 0); ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS1, val, val & CS35L41_PDN_DONE_MASK, @@ -1001,13 +996,13 @@ static int cs35l41_set_pdata(struct cs35l41_private *cs35l41) if (!hw_cfg->valid) return -EINVAL; + if (hw_cfg->bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) + return -EINVAL; + /* Required */ - ret = cs35l41_boost_config(cs35l41->dev, cs35l41->regmap, - hw_cfg->bst_ind, hw_cfg->bst_cap, hw_cfg->bst_ipk); - if (ret) { - dev_err(cs35l41->dev, "Error in Boost DT config: %d\n", ret); + ret = cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, hw_cfg); + if (ret) return ret; - } /* Optional */ if (hw_cfg->dout_hiz <= CS35L41_ASP_DOUT_HIZ_MASK && hw_cfg->dout_hiz >= 0) @@ -1017,9 +1012,31 @@ static int cs35l41_set_pdata(struct cs35l41_private *cs35l41) return 0; } +static const struct snd_soc_dapm_route cs35l41_ext_bst_routes[] = { + {"Main AMP", NULL, "VSPK"}, +}; + +static const struct snd_soc_dapm_widget cs35l41_ext_bst_widget[] = { + SND_SOC_DAPM_SUPPLY("VSPK", CS35L41_GPIO1_CTRL1, CS35L41_GPIO_LVL_SHIFT, 0, NULL, 0), +}; + static int cs35l41_component_probe(struct snd_soc_component *component) { struct cs35l41_private *cs35l41 = snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + int ret; + + if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) { + ret = snd_soc_dapm_new_controls(dapm, cs35l41_ext_bst_widget, + ARRAY_SIZE(cs35l41_ext_bst_widget)); + if (ret) + return ret; + + ret = snd_soc_dapm_add_routes(dapm, cs35l41_ext_bst_routes, + ARRAY_SIZE(cs35l41_ext_bst_routes)); + if (ret) + return ret; + } return wm_adsp2_component_probe(&cs35l41->dsp, component); } @@ -1084,6 +1101,10 @@ static int cs35l41_handle_pdata(struct device *dev, struct cs35l41_hw_cfg *hw_cf unsigned int val; int ret; + ret = device_property_read_u32(dev, "cirrus,boost-type", &val); + if (ret >= 0) + hw_cfg->bst_type = val; + ret = device_property_read_u32(dev, "cirrus,boost-peak-milliamp", &val); if (ret >= 0) hw_cfg->bst_ipk = val; @@ -1376,6 +1397,7 @@ int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg * wm_adsp2_remove(&cs35l41->dsp); err: + cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type); regulator_bulk_disable(CS35L41_NUM_SUPPLIES, cs35l41->supplies); gpiod_set_value_cansleep(cs35l41->reset_gpio, 0); @@ -1390,6 +1412,7 @@ void cs35l41_remove(struct cs35l41_private *cs35l41) regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF); wm_adsp2_remove(&cs35l41->dsp); + cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type); pm_runtime_put_noidle(cs35l41->dev); @@ -1409,6 +1432,7 @@ static int __maybe_unused cs35l41_runtime_suspend(struct device *dev) dev_dbg(cs35l41->dev, "Enter hibernate\n"); + cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type); regmap_write(cs35l41->regmap, CS35L41_WAKESRC_CTL, 0x0088); regmap_write(cs35l41->regmap, CS35L41_WAKESRC_CTL, 0x0188); @@ -1505,6 +1529,7 @@ static int __maybe_unused cs35l41_runtime_resume(struct device *dev) dev_err(cs35l41->dev, "Failed to restore register cache: %d\n", ret); return ret; } + cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, &cs35l41->hw_cfg); return 0; }