From f07e572f6447465d8938679533d604e402b0f066 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 18 Feb 2021 18:04:33 +0100 Subject: bcm27xx: import latest patches from the RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas --- ...e-Allo-Piano-Dac-Driver-for-5.4.y-kernels.patch | 246 +++++++++++++++++++++ 1 file changed, 246 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-1020-Update-Allo-Piano-Dac-Driver-for-5.4.y-kernels.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-1020-Update-Allo-Piano-Dac-Driver-for-5.4.y-kernels.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-1020-Update-Allo-Piano-Dac-Driver-for-5.4.y-kernels.patch b/target/linux/bcm27xx/patches-5.4/950-1020-Update-Allo-Piano-Dac-Driver-for-5.4.y-kernels.patch new file mode 100644 index 0000000000..00d319e291 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-1020-Update-Allo-Piano-Dac-Driver-for-5.4.y-kernels.patch @@ -0,0 +1,246 @@ +From 7f7ea09cdfa44c447c31db4884c1bb958d27f10a Mon Sep 17 00:00:00 2001 +From: paul-1 <6473457+paul-1@users.noreply.github.com> +Date: Wed, 4 Nov 2020 19:11:37 -0500 +Subject: [PATCH] Update Allo Piano Dac Driver for 5.4.y kernels + +Add unique names to the individual dac coded drivers +Remove some of the codec controls that are not used. + +Signed-off-by: Paul Hermann +--- + sound/soc/bcm/allo-piano-dac-plus.c | 129 +++++++++++++++++++++------- + 1 file changed, 97 insertions(+), 32 deletions(-) + +--- a/sound/soc/bcm/allo-piano-dac-plus.c ++++ b/sound/soc/bcm/allo-piano-dac-plus.c +@@ -2,7 +2,8 @@ + * ALSA ASoC Machine Driver for Allo Piano DAC Plus Subwoofer + * + * Author: Baswaraj K +- * Copyright 2016 ++ * Copyright 2020 ++ * based on code by David Knell + * based on code by Florian Meier + * +@@ -276,8 +277,15 @@ static int snd_allo_piano_dual_mode_put( + PCM512x_DIGITAL_VOLUME_2, 0xff); + + list_for_each_entry(kctl, &snd_card_ptr->controls, list) { +- if (!strncmp(kctl->id.name, "Digital Playback Volume", +- sizeof(kctl->id.name))) { ++ if (!strncmp(kctl->id.name, "Main Digital Playback Volume", ++ sizeof(kctl->id.name))) { ++ mc = (struct soc_mixer_control *) ++ kctl->private_value; ++ mc->rreg = mc->reg; ++ break; ++ } ++ if (!strncmp(kctl->id.name, "Sub Digital Playback Volume", ++ sizeof(kctl->id.name))) { + mc = (struct soc_mixer_control *) + kctl->private_value; + mc->rreg = mc->reg; +@@ -291,13 +299,20 @@ static int snd_allo_piano_dual_mode_put( + PCM512x_DIGITAL_VOLUME_3, &right_val); + + list_for_each_entry(kctl, &snd_card_ptr->controls, list) { +- if (!strncmp(kctl->id.name, "Digital Playback Volume", +- sizeof(kctl->id.name))) { ++ if (!strncmp(kctl->id.name, "Main Digital Playback Volume", ++ sizeof(kctl->id.name))) { + mc = (struct soc_mixer_control *) + kctl->private_value; + mc->rreg = PCM512x_DIGITAL_VOLUME_3; + break; + } ++ if (!strncmp(kctl->id.name, "Sub Digital Playback Volume", ++ sizeof(kctl->id.name))) { ++ mc = (struct soc_mixer_control *) ++ kctl->private_value; ++ mc->rreg = PCM512x_DIGITAL_VOLUME_2; ++ break; ++ } + } + + snd_soc_component_write(rtd->codec_dais[0]->component, +@@ -344,13 +359,20 @@ static int snd_allo_piano_mode_put(struc + PCM512x_DIGITAL_VOLUME_2, &right_val); + + list_for_each_entry(kctl, &snd_card_ptr->controls, list) { +- if (!strncmp(kctl->id.name, "Digital Playback Volume", +- sizeof(kctl->id.name))) { ++ if (!strncmp(kctl->id.name, "Main Digital Playback Volume", ++ sizeof(kctl->id.name))) { + mc = (struct soc_mixer_control *) + kctl->private_value; + mc->rreg = PCM512x_DIGITAL_VOLUME_3; + break; + } ++ if (!strncmp(kctl->id.name, "Sub Digital Playback Volume", ++ sizeof(kctl->id.name))) { ++ mc = (struct soc_mixer_control *) ++ kctl->private_value; ++ mc->rreg = PCM512x_DIGITAL_VOLUME_2; ++ break; ++ } + } + snd_soc_component_write(rtd->codec_dais[0]->component, + PCM512x_DIGITAL_VOLUME_3, left_val); +@@ -434,12 +456,6 @@ static int pcm512x_set_reg_sub(struct sn + int ret = 0; + + rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); +- if (glb_ptr->dual_mode != 1) { +- ret = snd_soc_component_write(rtd->codec_dais[1]->component, +- PCM512x_DIGITAL_VOLUME_2, (~left_val)); +- if (ret < 0) +- return ret; +- } + + if (digital_gain_0db_limit) { + ret = snd_soc_limit_volume(card, "Subwoofer Playback Volume", +@@ -449,6 +465,13 @@ static int pcm512x_set_reg_sub(struct sn + ret); + } + ++ if (glb_ptr->dual_mode != 1) { ++ ret = snd_soc_component_write(rtd->codec_dais[1]->component, ++ PCM512x_DIGITAL_VOLUME_2, (~left_val)); ++ if (ret < 0) ++ return ret; ++ } ++ + ret = snd_soc_component_write(rtd->codec_dais[1]->component, + PCM512x_DIGITAL_VOLUME_3, (~right_val)); + if (ret < 0) +@@ -674,7 +697,7 @@ static const struct snd_kcontrol_new all + + SOC_DOUBLE_R_EXT_TLV("Subwoofer Playback Volume", + PCM512x_DIGITAL_VOLUME_2, +- PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, ++ PCM512x_DIGITAL_VOLUME_3, 0, 207, 1, + pcm512x_get_reg_sub, + pcm512x_set_reg_sub, + digital_tlv_sub), +@@ -688,7 +711,7 @@ static const struct snd_kcontrol_new all + + SOC_DOUBLE_R_EXT_TLV("Master Playback Volume", + PCM512x_DIGITAL_VOLUME_2, +- PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, ++ PCM512x_DIGITAL_VOLUME_3, 0, 207, 1, + pcm512x_get_reg_master, + pcm512x_set_reg_master, + digital_tlv_master), +@@ -701,10 +724,28 @@ static const struct snd_kcontrol_new all + pcm512x_set_reg_master_switch), + }; + ++static const char * const codec_ctl_pfx[] = { "Main", "Sub" }; ++static const char * const codec_ctl_name[] = { ++ "Digital Playback Volume", ++ "Digital Playback Switch", ++ "Auto Mute Mono Switch", ++ "Auto Mute Switch", ++ "Auto Mute Time Left", ++ "Auto Mute Time Right", ++ "Clock Missing Period", ++ "Max Overclock DAC", ++ "Max Overclock DSP", ++ "Max Overclock PLL", ++ "Volume Ramp Down Emergency Rate", ++ "Volume Ramp Down Emergency Step" ++}; ++ + static int snd_allo_piano_dac_init(struct snd_soc_pcm_runtime *rtd) + { + struct snd_soc_card *card = rtd->card; + struct glb_pool *glb_ptr; ++ struct snd_kcontrol *kctl; ++ int i, j; + + glb_ptr = kzalloc(sizeof(struct glb_pool), GFP_KERNEL); + if (!glb_ptr) +@@ -719,12 +760,37 @@ static int snd_allo_piano_dac_init(struc + if (digital_gain_0db_limit) { + int ret; + +- ret = snd_soc_limit_volume(card, "Digital Playback Volume", +- 207); +- if (ret < 0) +- dev_warn(card->dev, "Failed to set volume limit: %d\n", +- ret); ++ //Set volume limit on both dacs ++ for (i = 0; i < ARRAY_SIZE(codec_ctl_pfx); i++) { ++ char cname[256]; ++ ++ sprintf(cname, "%s %s", codec_ctl_pfx[i], codec_ctl_name[0]); ++ ret = snd_soc_limit_volume(card, cname, 207); ++ if (ret < 0) ++ dev_warn(card->dev, "Failed to set volume limit: %d\n", ++ ret); ++ } ++ } ++ ++ // Remove codec controls ++ for (i = 0; i < ARRAY_SIZE(codec_ctl_pfx); i++) { ++ // Start at 1, leave the Digital Volume control. ++ for (j = 1; j < ARRAY_SIZE(codec_ctl_name); j++) { ++ char cname[256]; ++ ++ sprintf(cname, "%s %s", codec_ctl_pfx[i], codec_ctl_name[j]); ++ kctl = snd_soc_card_get_kcontrol(card, cname); ++ if (!kctl) { ++ dev_err(rtd->card->dev, "Control %s not found\n", ++ cname); ++ } else { ++ kctl->vd[0].access = ++ SNDRV_CTL_ELEM_ACCESS_READWRITE; ++ snd_ctl_remove(card->snd_card, kctl); ++ } ++ } + } ++ + return 0; + } + +@@ -868,10 +934,10 @@ static struct snd_soc_dai_link_component + }; + + SND_SOC_DAILINK_DEFS(allo_piano_dai_plus, +- DAILINK_COMP_ARRAY(COMP_CPU("bcm2708-i2s.0")), +- DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "pcm512x-hifi"), +- COMP_CODEC(NULL, "pcm512x-hifi")), +- DAILINK_COMP_ARRAY(COMP_PLATFORM("bcm2708-i2s.0"))); ++ DAILINK_COMP_ARRAY(COMP_EMPTY()), ++ DAILINK_COMP_ARRAY(COMP_CODEC("pcm512x.1-004c", "pcm512x-hifi"), ++ COMP_CODEC("pcm512x.1-004d", "pcm512x-hifi")), ++ DAILINK_COMP_ARRAY(COMP_EMPTY())); + + static struct snd_soc_dai_link snd_allo_piano_dac_dai[] = { + { +@@ -964,17 +1030,16 @@ static int snd_allo_piano_dac_probe(stru + snd_allo_piano_dac.set_bias_level = + snd_allo_piano_set_bias_level; + +- ret = snd_soc_register_card(&snd_allo_piano_dac); +- if (ret < 0) { +- dev_err(&pdev->dev, +- "snd_soc_register_card() failed: %d\n", ret); +- return ret; +- } +- + if ((mute_gpio[0]) && (mute_gpio[1])) + snd_allo_piano_gpio_mute(&snd_allo_piano_dac); + +- return 0; ++ ret = devm_snd_soc_register_card(&pdev->dev, &snd_allo_piano_dac); ++ ++ if (ret && ret != -EPROBE_DEFER) ++ dev_err(&pdev->dev, ++ "snd_soc_register_card() failed: %d\n", ret); ++ return ret; ++ + } + + return -EINVAL; -- cgit v1.2.3