From patchwork Mon Jun 1 13:04:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Fitzgerald X-Patchwork-Id: 6521891 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 21DBCC0020 for ; Mon, 1 Jun 2015 13:07:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0C365205EB for ; Mon, 1 Jun 2015 13:07:43 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 8B97C203C4 for ; Mon, 1 Jun 2015 13:07:41 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 94231261522; Mon, 1 Jun 2015 15:07:40 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 50725260674; Mon, 1 Jun 2015 15:07:02 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 47B4C26062E; Mon, 1 Jun 2015 15:07:00 +0200 (CEST) Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 170AF260511 for ; Mon, 1 Jun 2015 15:06:53 +0200 (CEST) Received: from localhost.localdomain (unknown [87.246.78.26]) by opensource.wolfsonmicro.com (Postfix) with ESMTPSA id 4D1533B40FF; Mon, 1 Jun 2015 14:06:52 +0100 (BST) From: Richard Fitzgerald To: broonie@kernel.org Date: Mon, 1 Jun 2015 14:04:49 +0100 Message-Id: <1433163891-10084-2-git-send-email-rf@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1433163891-10084-1-git-send-email-rf@opensource.wolfsonmicro.com> References: <1433163891-10084-1-git-send-email-rf@opensource.wolfsonmicro.com> Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, linux-kernel@vger.kernel.org, lgirdwood@gmail.com Subject: [alsa-devel] [PATCH v7 2/4] ASoC: wm_adsp: Move DVFS control into codec driver X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP In theory the ADSP driver should not need to know anything about the codec it is part of. But the WM5102 needs DVFS control based on ADSP clocking speed. This was being handled by bundling part of the knowledge of this into the ADSP driver. This change moves this handling out of the ADSP driver and into the WM5102 driver. Signed-off-by: Richard Fitzgerald --- sound/soc/codecs/wm5102.c | 47 +++++++++++++++++++++++++++- sound/soc/codecs/wm5110.c | 2 +- sound/soc/codecs/wm_adsp.c | 73 +------------------------------------------- sound/soc/codecs/wm_adsp.h | 15 ++++----- 4 files changed, 54 insertions(+), 83 deletions(-) diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index b73e3a3..11eba0e 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -614,6 +614,49 @@ static int wm5102_sysclk_ev(struct snd_soc_dapm_widget *w, return arizona_dvfs_sysclk_ev(w, kcontrol, event); } +static int wm5102_adsp_power_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm); + struct arizona *arizona = dev_get_drvdata(codec->dev->parent); + unsigned int v; + int ret; + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, &v); + if (ret != 0) { + dev_err(codec->dev, + "Failed to read SYSCLK state: %d\n", ret); + return -EIO; + } + + v = (v & ARIZONA_SYSCLK_FREQ_MASK) >> ARIZONA_SYSCLK_FREQ_SHIFT; + + if (v >= 3) { + ret = arizona_dvfs_up(codec, ARIZONA_DVFS_ADSP1_RQ); + if (ret) { + dev_err(codec->dev, + "Failed to raise DVFS: %d\n", ret); + return ret; + } + } + break; + + case SND_SOC_DAPM_POST_PMD: + ret = arizona_dvfs_down(codec, ARIZONA_DVFS_ADSP1_RQ); + if (ret) + dev_warn(codec->dev, + "Failed to lower DVFS: %d\n", ret); + break; + + default: + break; + } + + return wm_adsp2_early_event(w, kcontrol, event); +} + static int wm5102_out_comp_coeff_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -1369,7 +1412,7 @@ ARIZONA_MUX_WIDGETS(ISRC2DEC2, "ISRC2DEC2"), ARIZONA_MUX_WIDGETS(ISRC2INT1, "ISRC2INT1"), ARIZONA_MUX_WIDGETS(ISRC2INT2, "ISRC2INT2"), -WM_ADSP2("DSP1", 0), +WM_ADSP2_E("DSP1", 0, wm5102_adsp_power_ev), SND_SOC_DAPM_OUTPUT("HPOUT1L"), SND_SOC_DAPM_OUTPUT("HPOUT1R"), @@ -1922,7 +1965,7 @@ static int wm5102_probe(struct platform_device *pdev) wm5102->core.adsp[0].mem = wm5102_dsp1_regions; wm5102->core.adsp[0].num_mems = ARRAY_SIZE(wm5102_dsp1_regions); - ret = wm_adsp2_init(&wm5102->core.adsp[0], true); + ret = wm_adsp2_init(&wm5102->core.adsp[0]); if (ret != 0) return ret; diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c index fbaeddb..d65364e 100644 --- a/sound/soc/codecs/wm5110.c +++ b/sound/soc/codecs/wm5110.c @@ -1697,7 +1697,7 @@ static int wm5110_probe(struct platform_device *pdev) wm5110->core.adsp[i].num_mems = ARRAY_SIZE(wm5110_dsp1_regions); - ret = wm_adsp2_init(&wm5110->core.adsp[i], false); + ret = wm_adsp2_init(&wm5110->core.adsp[i]); if (ret != 0) return ret; } diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index f6642c1..6e358b5 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -1787,35 +1787,6 @@ static void wm_adsp2_boot_work(struct work_struct *work) return; } - if (dsp->dvfs) { - ret = regmap_read(dsp->regmap, - dsp->base + ADSP2_CLOCKING, &val); - if (ret != 0) { - adsp_err(dsp, "Failed to read clocking: %d\n", ret); - return; - } - - if ((val & ADSP2_CLK_SEL_MASK) >= 3) { - ret = regulator_enable(dsp->dvfs); - if (ret != 0) { - adsp_err(dsp, - "Failed to enable supply: %d\n", - ret); - return; - } - - ret = regulator_set_voltage(dsp->dvfs, - 1800000, - 1800000); - if (ret != 0) { - adsp_err(dsp, - "Failed to raise supply: %d\n", - ret); - return; - } - } - } - ret = wm_adsp2_ena(dsp); if (ret != 0) return; @@ -1909,21 +1880,6 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w, regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0); regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0); - if (dsp->dvfs) { - ret = regulator_set_voltage(dsp->dvfs, 1200000, - 1800000); - if (ret != 0) - adsp_warn(dsp, - "Failed to lower supply: %d\n", - ret); - - ret = regulator_disable(dsp->dvfs); - if (ret != 0) - adsp_err(dsp, - "Failed to enable supply: %d\n", - ret); - } - list_for_each_entry(ctl, &dsp->ctl_list, list) ctl->enabled = 0; @@ -1950,7 +1906,7 @@ err: } EXPORT_SYMBOL_GPL(wm_adsp2_event); -int wm_adsp2_init(struct wm_adsp *dsp, bool dvfs) +int wm_adsp2_init(struct wm_adsp *dsp) { int ret; @@ -1969,33 +1925,6 @@ int wm_adsp2_init(struct wm_adsp *dsp, bool dvfs) INIT_LIST_HEAD(&dsp->ctl_list); INIT_WORK(&dsp->boot_work, wm_adsp2_boot_work); - if (dvfs) { - dsp->dvfs = devm_regulator_get(dsp->dev, "DCVDD"); - if (IS_ERR(dsp->dvfs)) { - ret = PTR_ERR(dsp->dvfs); - adsp_err(dsp, "Failed to get DCVDD: %d\n", ret); - return ret; - } - - ret = regulator_enable(dsp->dvfs); - if (ret != 0) { - adsp_err(dsp, "Failed to enable DCVDD: %d\n", ret); - return ret; - } - - ret = regulator_set_voltage(dsp->dvfs, 1200000, 1800000); - if (ret != 0) { - adsp_err(dsp, "Failed to initialise DVFS: %d\n", ret); - return ret; - } - - ret = regulator_disable(dsp->dvfs); - if (ret != 0) { - adsp_err(dsp, "Failed to disable DCVDD: %d\n", ret); - return ret; - } - } - return 0; } EXPORT_SYMBOL_GPL(wm_adsp2_init); diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h index 4fe0667..0e5f07c 100644 --- a/sound/soc/codecs/wm_adsp.h +++ b/sound/soc/codecs/wm_adsp.h @@ -18,8 +18,6 @@ #include "wmfw.h" -struct regulator; - struct wm_adsp_region { int type; unsigned int base; @@ -56,8 +54,6 @@ struct wm_adsp { int fw_ver; bool running; - struct regulator *dvfs; - struct list_head ctl_list; struct work_struct boot_work; @@ -67,19 +63,22 @@ struct wm_adsp { SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \ wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD) -#define WM_ADSP2(wname, num) \ +#define WM_ADSP2_E(wname, num, event_fn) \ { .id = snd_soc_dapm_dai_link, .name = wname " Preloader", \ - .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_early_event, \ - .event_flags = SND_SOC_DAPM_PRE_PMU }, \ + .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \ + .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }, \ { .id = snd_soc_dapm_out_drv, .name = wname, \ .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \ .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } +#define WM_ADSP2(wname, num) \ + WM_ADSP2_E(wname, num, wm_adsp2_early_event) + extern const struct snd_kcontrol_new wm_adsp1_fw_controls[]; extern const struct snd_kcontrol_new wm_adsp2_fw_controls[]; int wm_adsp1_init(struct wm_adsp *dsp); -int wm_adsp2_init(struct wm_adsp *dsp, bool dvfs); +int wm_adsp2_init(struct wm_adsp *dsp); int wm_adsp1_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,