[PATCH v5 07/10] hda: cs35l41: Add support for CS35L41 in HDA systems

Add support for CS35L41 using a new separated driver that can be used in all upcoming designs

Signed-off-by: Lucas Tanure tanureal@opensource.cirrus.com --- MAINTAINERS | 2 + sound/pci/hda/Kconfig | 27 ++ sound/pci/hda/Makefile | 10 + sound/pci/hda/cs35l41_hda.c | 527 ++++++++++++++++++++++++++++++++ sound/pci/hda/cs35l41_hda.h | 69 +++++ sound/pci/hda/cs35l41_hda_i2c.c | 66 ++++ sound/pci/hda/cs35l41_hda_spi.c | 63 ++++ sound/pci/hda/hda_component.h | 20 ++ sound/soc/codecs/Kconfig | 2 + 9 files changed, 786 insertions(+) create mode 100644 sound/pci/hda/cs35l41_hda.c create mode 100644 sound/pci/hda/cs35l41_hda.h create mode 100644 sound/pci/hda/cs35l41_hda_i2c.c create mode 100644 sound/pci/hda/cs35l41_hda_spi.c create mode 100644 sound/pci/hda/hda_component.h

diff --git a/MAINTAINERS b/MAINTAINERS index 550281cf2414..b07b0ef3c858 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4550,10 +4550,12 @@ F: drivers/media/cec/i2c/ch7322.c CIRRUS LOGIC AUDIO CODEC DRIVERS M: James Schulman james.schulman@cirrus.com M: David Rhodes david.rhodes@cirrus.com +M: Lucas Tanure tanureal@opensource.cirrus.com L: alsa-devel@alsa-project.org (moderated for non-subscribers) L: patches@opensource.cirrus.com S: Maintained F: Documentation/devicetree/bindings/sound/cirrus,cs* +F: sound/pci/hda/cs* F: sound/soc/codecs/cs*

CIRRUS LOGIC DSP FIRMWARE DRIVER diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig index ab9d2746e804..4dc83b718753 100644 --- a/sound/pci/hda/Kconfig +++ b/sound/pci/hda/Kconfig @@ -91,6 +91,33 @@ config SND_HDA_PATCH_LOADER start up. The "patch" file can be specified via patch module option, such as patch=hda-init.

+config SND_HDA_SCODEC_CS35L41 + tristate + default y if SND_HDA_SCODEC_CS35L41_I2C=y + default y if SND_HDA_SCODEC_CS35L41_SPI=y + default m if SND_HDA_SCODEC_CS35L41_I2C=m + default m if SND_HDA_SCODEC_CS35L41_SPI=m + +config SND_HDA_SCODEC_CS35L41_I2C + tristate "Build CS35L41 HD-audio side codec support for I2C Bus" + select SND_HDA_GENERIC + help + Say Y or M here to include CS35L41 I2C HD-audio side codec support + in snd-hda-intel driver, such as ALC287. + +comment "Set to Y if you want auto-loading the side codec driver" + depends on SND_HDA=y && SND_HDA_SCODEC_CS35L41_I2C=m + +config SND_HDA_SCODEC_CS35L41_SPI + tristate "Build CS35L41 HD-audio codec support for SPI Bus" + select SND_HDA_GENERIC + help + Say Y or M here to include CS35L41 SPI HD-audio side codec support + in snd-hda-intel driver, such as ALC287. + +comment "Set to Y if you want auto-loading the side codec driver" + depends on SND_HDA=y && SND_HDA_SCODEC_CS35L41_SPI=m + config SND_HDA_CODEC_REALTEK tristate "Build Realtek HD-audio codec support" select SND_HDA_GENERIC diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile index b8fa682ce66a..3e7bc608d45f 100644 --- a/sound/pci/hda/Makefile +++ b/sound/pci/hda/Makefile @@ -27,6 +27,11 @@ snd-hda-codec-conexant-objs := patch_conexant.o snd-hda-codec-via-objs := patch_via.o snd-hda-codec-hdmi-objs := patch_hdmi.o hda_eld.o

+# side codecs +snd-hda-scodec-cs35l41-objs := cs35l41_hda.o +snd-hda-scodec-cs35l41-i2c-objs := cs35l41_hda_i2c.o +snd-hda-scodec-cs35l41-spi-objs := cs35l41_hda_spi.o + # common driver obj-$(CONFIG_SND_HDA) := snd-hda-codec.o

@@ -45,6 +50,11 @@ obj-$(CONFIG_SND_HDA_CODEC_CONEXANT) += snd-hda-codec-conexant.o obj-$(CONFIG_SND_HDA_CODEC_VIA) += snd-hda-codec-via.o obj-$(CONFIG_SND_HDA_CODEC_HDMI) += snd-hda-codec-hdmi.o

+# side codecs +obj-$(CONFIG_SND_HDA_SCODEC_CS35L41) += snd-hda-scodec-cs35l41.o +obj-$(CONFIG_SND_HDA_SCODEC_CS35L41_I2C) += snd-hda-scodec-cs35l41-i2c.o +obj-$(CONFIG_SND_HDA_SCODEC_CS35L41_SPI) += snd-hda-scodec-cs35l41-spi.o + # this must be the last entry after codec drivers; # otherwise the codec patches won't be hooked before the PCI probe # when built in kernel diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c new file mode 100644 index 000000000000..49a452924d07 --- /dev/null +++ b/sound/pci/hda/cs35l41_hda.c @@ -0,0 +1,527 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// cs35l41.c -- CS35l41 ALSA HDA audio driver +// +// Copyright 2021 Cirrus Logic, Inc. +// +// Author: Lucas Tanure tanureal@opensource.cirrus.com + +#include <linux/acpi.h> +#include <linux/module.h> +#include <sound/hda_codec.h> +#include "hda_local.h" +#include "hda_auto_parser.h" +#include "hda_jack.h" +#include "hda_generic.h" +#include "hda_component.h" +#include "cs35l41_hda.h" + +static const struct reg_sequence cs35l41_hda_config[] = { + { CS35L41_PLL_CLK_CTRL, 0x00000430 }, //3200000Hz, BCLK Input, PLL_REFCLK_EN = 1 + { CS35L41_GLOBAL_CLK_CTRL, 0x00000003 }, //GLOBAL_FS = 48 kHz + { CS35L41_SP_ENABLES, 0x00010000 }, //ASP_RX1_EN = 1 + { CS35L41_SP_RATE_CTRL, 0x00000021 }, //ASP_BCLK_FREQ = 3.072 MHz + { CS35L41_SP_FORMAT, 0x20200200 }, //24 bits, I2S, BCLK Slave, FSYNC Slave + { CS35L41_DAC_PCM1_SRC, 0x00000008 }, //DACPCM1_SRC = ASPRX1 + { CS35L41_AMP_DIG_VOL_CTRL, 0x00000000 }, //AMP_VOL_PCM 0.0 dB + { CS35L41_AMP_GAIN_CTRL, 0x00000084 }, //AMP_GAIN_PCM 4.5 dB + { CS35L41_PWR_CTRL2, 0x00000001 }, //AMP_EN = 1 +}; + +static const struct reg_sequence cs35l41_hda_start_bst[] = { + { CS35L41_PWR_CTRL2, 0x00000021 }, //BST_EN = 10, AMP_EN = 1 + { CS35L41_PWR_CTRL1, 0x00000001, 3000}, // set GLOBAL_EN = 1 +}; + +static const struct reg_sequence cs35l41_hda_stop_bst[] = { + { CS35L41_PWR_CTRL1, 0x00000000, 3000}, // set GLOBAL_EN = 0 +}; + +// only on amps where GPIO1 is used to control ext. VSPK switch +static const struct reg_sequence cs35l41_start_ext_vspk[] = { + { 0x00000040, 0x00000055 }, + { 0x00000040, 0x000000AA }, + { 0x00007438, 0x00585941 }, + { 0x00007414, 0x08C82222 }, + { 0x0000742C, 0x00000009 }, + { 0x00011008, 0x00008001 }, + { 0x0000742C, 0x0000000F }, + { 0x0000742C, 0x00000079 }, + { 0x00007438, 0x00585941 }, + { CS35L41_PWR_CTRL1, 0x00000001, 3000}, // set GLOBAL_EN = 1 + { 0x0000742C, 0x000000F9 }, + { 0x00007438, 0x00580941 }, + { 0x00000040, 0x000000CC }, + { 0x00000040, 0x00000033 }, +}; + +//only on amps where GPIO1 is used to control ext. VSPK switch +static const struct reg_sequence cs35l41_stop_ext_vspk[] = { + { 0x00000040, 0x00000055 }, + { 0x00000040, 0x000000AA }, + { 0x00007438, 0x00585941 }, + { 0x00002014, 0x00000000, 3000}, //set GLOBAL_EN = 0 + { 0x0000742C, 0x00000009 }, + { 0x00007438, 0x00580941 }, + { 0x00011008, 0x00000001 }, + { 0x0000393C, 0x000000C0, 6000}, + { 0x0000393C, 0x00000000 }, + { 0x00007414, 0x00C82222 }, + { 0x0000742C, 0x00000000 }, + { 0x00000040, 0x000000CC }, + { 0x00000040, 0x00000033 }, +}; + +static const struct reg_sequence cs35l41_safe_to_active[] = { + { 0x00000040, 0x00000055 }, + { 0x00000040, 0x000000AA }, + { 0x0000742C, 0x0000000F }, + { 0x0000742C, 0x00000079 }, + { 0x00007438, 0x00585941 }, + { CS35L41_PWR_CTRL1, 0x00000001, 2000 }, //GLOBAL_EN = 1 + { 0x0000742C, 0x000000F9 }, + { 0x00007438, 0x00580941 }, + { 0x00000040, 0x000000CC }, + { 0x00000040, 0x00000033 }, +}; + +static const struct reg_sequence cs35l41_active_to_safe[] = { + { 0x00000040, 0x00000055 }, + { 0x00000040, 0x000000AA }, + { 0x00007438, 0x00585941 }, + { CS35L41_AMP_DIG_VOL_CTRL, 0x0000A678 }, //AMP_VOL_PCM Mute + { CS35L41_PWR_CTRL2, 0x00000000 }, //AMP_EN = 0 + { CS35L41_PWR_CTRL1, 0x00000000 }, + { 0x0000742C, 0x00000009, 2000 }, + { 0x00007438, 0x00580941 }, + { 0x00000040, 0x000000CC }, + { 0x00000040, 0x00000033 }, +}; + +static const struct reg_sequence cs35l41_reset_to_safe[] = { + { 0x00000040, 0x00000055 }, + { 0x00000040, 0x000000AA }, + { 0x00007438, 0x00585941 }, + { 0x00007414, 0x08C82222 }, + { 0x0000742C, 0x00000009 }, + { 0x00000040, 0x000000CC }, + { 0x00000040, 0x00000033 }, +}; + +static const struct cs35l41_hda_reg_sequence cs35l41_hda_reg_seq_no_bst = { + .probe = cs35l41_reset_to_safe, + .num_probe = ARRAY_SIZE(cs35l41_reset_to_safe), + .open = cs35l41_hda_config, + .num_open = ARRAY_SIZE(cs35l41_hda_config), + .prepare = cs35l41_safe_to_active, + .num_prepare = ARRAY_SIZE(cs35l41_safe_to_active), + .cleanup = cs35l41_active_to_safe, + .num_cleanup = ARRAY_SIZE(cs35l41_active_to_safe), +}; + +static const struct cs35l41_hda_reg_sequence cs35l41_hda_reg_seq_ext_bst = { + .open = cs35l41_hda_config, + .num_open = ARRAY_SIZE(cs35l41_hda_config), + .prepare = cs35l41_start_ext_vspk, + .num_prepare = ARRAY_SIZE(cs35l41_start_ext_vspk), + .cleanup = cs35l41_stop_ext_vspk, + .num_cleanup = ARRAY_SIZE(cs35l41_stop_ext_vspk), +}; + +static const struct cs35l41_hda_reg_sequence cs35l41_hda_reg_seq_int_bst = { + .open = cs35l41_hda_config, + .num_open = ARRAY_SIZE(cs35l41_hda_config), + .prepare = cs35l41_hda_start_bst, + .num_prepare = ARRAY_SIZE(cs35l41_hda_start_bst), + .cleanup = cs35l41_hda_stop_bst, + .num_cleanup = ARRAY_SIZE(cs35l41_hda_stop_bst), +}; + +static void cs35l41_hda_playback_hook(struct device *dev, int action) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + const struct cs35l41_hda_reg_sequence *reg_seq = cs35l41->reg_seq; + struct regmap *reg = cs35l41->regmap; + int ret = 0; + + switch (action) { + case HDA_GEN_PCM_ACT_OPEN: + if (reg_seq->open) + ret = regmap_multi_reg_write(reg, reg_seq->open, reg_seq->num_open); + break; + case HDA_GEN_PCM_ACT_PREPARE: + if (reg_seq->prepare) + ret = regmap_multi_reg_write(reg, reg_seq->prepare, reg_seq->num_prepare); + break; + case HDA_GEN_PCM_ACT_CLEANUP: + if (reg_seq->cleanup) + ret = regmap_multi_reg_write(reg, reg_seq->cleanup, reg_seq->num_cleanup); + break; + case HDA_GEN_PCM_ACT_CLOSE: + if (reg_seq->close) + ret = regmap_multi_reg_write(reg, reg_seq->close, reg_seq->num_close); + break; + } + + if (ret) + dev_warn(cs35l41->dev, "Failed to apply multi reg write: %d\n", ret); + +} + +static int cs35l41_hda_channel_map(struct device *dev, unsigned int tx_num, unsigned int *tx_slot, + unsigned int rx_num, unsigned int *rx_slot) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + + return cs35l41_set_channels(cs35l41->dev, cs35l41->regmap, tx_num, tx_slot, rx_num, + rx_slot); +} + +int cs35l41_hda_bind(struct device *dev, struct device *master, void *master_data) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + struct hda_component *comps = master_data; + + if (comps && cs35l41->index >= 0 && cs35l41->index < HDA_MAX_COMPONENTS) + comps = &comps[cs35l41->index]; + else + return -EINVAL; + + if (!comps->dev) { + comps->dev = dev; + strscpy(comps->name, dev_name(dev), sizeof(comps->name)); + comps->playback_hook = cs35l41_hda_playback_hook; + comps->set_channel_map = cs35l41_hda_channel_map; + return 0; + } + + return -EBUSY; +} + +static void cs35l41_hda_unbind(struct device *dev, struct device *master, void *master_data) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + struct hda_component *comps = master_data; + + if (comps[cs35l41->index].dev == dev) + memset(&comps[cs35l41->index], 0, sizeof(*comps)); +} + +static const struct component_ops cs35l41_hda_comp_ops = { + .bind = cs35l41_hda_bind, + .unbind = cs35l41_hda_unbind, +}; + +static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41, + const struct cs35l41_hda_hw_config *hw_cfg) +{ + bool internal_boost = false; + int ret; + + if (!hw_cfg) { + cs35l41->reg_seq = &cs35l41_hda_reg_seq_no_bst; + return 0; + } + + if (hw_cfg->bst_ind || hw_cfg->bst_cap || hw_cfg->bst_ipk) + internal_boost = true; + + switch (hw_cfg->gpio1_func) { + case CS35l41_VSPK_SWITCH: + regmap_update_bits(cs35l41->regmap, CS35L41_GPIO_PAD_CONTROL, + CS35L41_GPIO1_CTRL_MASK, 1 << CS35L41_GPIO1_CTRL_SHIFT); + break; + case CS35l41_SYNC: + regmap_update_bits(cs35l41->regmap, CS35L41_GPIO_PAD_CONTROL, + CS35L41_GPIO1_CTRL_MASK, 2 << CS35L41_GPIO1_CTRL_SHIFT); + break; + } + + switch (hw_cfg->gpio2_func) { + case CS35L41_INTERRUPT: + regmap_update_bits(cs35l41->regmap, CS35L41_GPIO_PAD_CONTROL, + CS35L41_GPIO2_CTRL_MASK, 2 << CS35L41_GPIO2_CTRL_SHIFT); + break; + } + + if (internal_boost) { + cs35l41->reg_seq = &cs35l41_hda_reg_seq_int_bst; + if (!(hw_cfg->bst_ind && hw_cfg->bst_cap && hw_cfg->bst_ipk)) + return -EINVAL; + ret = cs35l41_boost_config(cs35l41->dev, cs35l41->regmap, + hw_cfg->bst_ind, hw_cfg->bst_cap, hw_cfg->bst_ipk); + if (ret) + return ret; + } else { + cs35l41->reg_seq = &cs35l41_hda_reg_seq_ext_bst; + } + + ret = cs35l41_hda_channel_map(cs35l41->dev, 0, NULL, 1, (unsigned int *)&hw_cfg->spk_pos); + if (ret) + return ret; + + return 0; +} + +static struct cs35l41_hda_hw_config *cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, + const char *hid, int id) +{ + struct cs35l41_hda_hw_config *hw_cfg; + u32 values[HDA_MAX_COMPONENTS]; + struct acpi_device *adev; + struct device *acpi_dev; + char *property; + size_t nval; + int i, ret; + + adev = acpi_dev_get_first_match_dev(hid, NULL, -1); + if (!adev) { + dev_err(cs35l41->dev, "Failed to find an ACPI device for %s\n", hid); + return ERR_PTR(-ENODEV); + } + + acpi_dev = get_device(acpi_get_first_physical_node(adev)); + acpi_dev_put(adev); + + property = "cirrus,dev-index"; + ret = device_property_count_u32(acpi_dev, property); + if (ret <= 0) + goto no_acpi_dsd; + + if (ret > ARRAY_SIZE(values)) { + ret = -EINVAL; + goto err; + } + nval = ret; + + ret = device_property_read_u32_array(acpi_dev, property, values, nval); + if (ret) + goto err; + + cs35l41->index = -1; + for (i = 0; i < nval; i++) { + if (values[i] == id) { + cs35l41->index = i; + break; + } + } + if (cs35l41->index == -1) { + dev_err(cs35l41->dev, "No index found in %s\n", property); + ret = -ENODEV; + goto err; + } + + /* No devm_ version as CLSA0100, in no_acpi_dsd case, can't use devm version */ + cs35l41->reset_gpio = fwnode_gpiod_get_index(&adev->fwnode, "reset", cs35l41->index, + GPIOD_OUT_LOW, "cs35l41-reset"); + + hw_cfg = kzalloc(sizeof(*hw_cfg), GFP_KERNEL); + if (!hw_cfg) { + ret = -ENOMEM; + goto err; + } + + property = "cirrus,speaker-position"; + ret = device_property_read_u32_array(acpi_dev, property, values, nval); + if (ret) + goto err_free; + hw_cfg->spk_pos = values[cs35l41->index]; + + property = "cirrus,gpio1-func"; + ret = device_property_read_u32_array(acpi_dev, property, values, nval); + if (ret) + goto err_free; + hw_cfg->gpio1_func = values[cs35l41->index]; + + property = "cirrus,gpio2-func"; + ret = device_property_read_u32_array(acpi_dev, property, values, nval); + if (ret) + goto err_free; + hw_cfg->gpio2_func = values[cs35l41->index]; + + property = "cirrus,boost-peak-milliamp"; + ret = device_property_read_u32_array(acpi_dev, property, values, nval); + if (ret == 0) + hw_cfg->bst_ipk = values[cs35l41->index]; + + property = "cirrus,boost-ind-nanohenry"; + ret = device_property_read_u32_array(acpi_dev, property, values, nval); + if (ret == 0) + hw_cfg->bst_ind = values[cs35l41->index]; + + property = "cirrus,boost-cap-microfarad"; + ret = device_property_read_u32_array(acpi_dev, property, values, nval); + if (ret == 0) + hw_cfg->bst_cap = values[cs35l41->index]; + + put_device(acpi_dev); + + return hw_cfg; + +err_free: + kfree(hw_cfg); +err: + put_device(acpi_dev); + dev_err(cs35l41->dev, "Failed property %s: %d\n", property, ret); + + return ERR_PTR(ret); + +no_acpi_dsd: + /* + * Device CLSA0100 doesn't have _DSD so a gpiod_get by the label reset won't work. + * And devices created by i2c-multi-instantiate don't have their device struct pointing to + * the correct fwnode, so acpi_dev must be used here + * And devm functions expect that the device requesting the resource has the correct + * fwnode + */ + if (strncmp(hid, "CLSA0100", 8) != 0) + return ERR_PTR(-EINVAL); + + /* check I2C address to assign the index */ + cs35l41->index = id == 0x40 ? 0 : 1; + cs35l41->reset_gpio = gpiod_get_index(acpi_dev, NULL, 0, GPIOD_OUT_HIGH); + cs35l41->vspk_always_on = true; + put_device(acpi_dev); + + return NULL; +} + +int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq, + struct regmap *regmap) +{ + unsigned int int_sts, regid, reg_revid, mtl_revid, chipid, int_status; + struct cs35l41_hda_hw_config *acpi_hw_cfg; + struct cs35l41_hda *cs35l41; + int ret; + + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + cs35l41 = devm_kzalloc(dev, sizeof(*cs35l41), GFP_KERNEL); + if (!cs35l41) + return -ENOMEM; + + cs35l41->dev = dev; + cs35l41->irq = irq; + cs35l41->regmap = regmap; + dev_set_drvdata(dev, cs35l41); + + acpi_hw_cfg = cs35l41_hda_read_acpi(cs35l41, device_name, id); + if (IS_ERR(acpi_hw_cfg)) + return PTR_ERR(acpi_hw_cfg); + + if (IS_ERR(cs35l41->reset_gpio)) { + ret = PTR_ERR(cs35l41->reset_gpio); + cs35l41->reset_gpio = NULL; + if (ret == -EBUSY) { + dev_info(cs35l41->dev, "Reset line busy, assuming shared reset\n"); + } else { + if (ret != -EPROBE_DEFER) + dev_err(cs35l41->dev, "Failed to get reset GPIO: %d\n", ret); + goto err; + } + } + if (cs35l41->reset_gpio) { + usleep_range(2000, 2100); + gpiod_set_value_cansleep(cs35l41->reset_gpio, 1); + } + + usleep_range(2000, 2100); + + ret = regmap_read_poll_timeout(cs35l41->regmap, CS35L41_IRQ1_STATUS4, int_status, + int_status & CS35L41_OTP_BOOT_DONE, 1000, 100000); + if (ret) { + dev_err(cs35l41->dev, "Failed waiting for OTP_BOOT_DONE: %d\n", ret); + goto err; + } + + ret = regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS3, &int_sts); + if (ret || (int_sts & CS35L41_OTP_BOOT_ERR)) { + dev_err(cs35l41->dev, "OTP Boot error\n"); + ret = -EIO; + goto err; + } + + ret = regmap_read(cs35l41->regmap, CS35L41_DEVID, &regid); + if (ret) { + dev_err(cs35l41->dev, "Get Device ID failed: %d\n", ret); + goto err; + } + + ret = regmap_read(cs35l41->regmap, CS35L41_REVID, &reg_revid); + if (ret) { + dev_err(cs35l41->dev, "Get Revision ID failed: %d\n", ret); + goto err; + } + + mtl_revid = reg_revid & CS35L41_MTLREVID_MASK; + + chipid = (mtl_revid % 2) ? CS35L41R_CHIP_ID : CS35L41_CHIP_ID; + if (regid != chipid) { + dev_err(cs35l41->dev, "CS35L41 Device ID (%X). Expected ID %X\n", regid, chipid); + ret = -ENODEV; + goto err; + } + + ret = cs35l41_register_errata_patch(cs35l41->dev, cs35l41->regmap, reg_revid); + if (ret) + goto err; + + ret = cs35l41_otp_unpack(cs35l41->dev, cs35l41->regmap); + if (ret) { + dev_err(cs35l41->dev, "OTP Unpack failed: %d\n", ret); + goto err; + } + + ret = cs35l41_hda_apply_properties(cs35l41, acpi_hw_cfg); + if (ret) + goto err; + kfree(acpi_hw_cfg); + + if (cs35l41->reg_seq->probe) { + ret = regmap_register_patch(cs35l41->regmap, cs35l41->reg_seq->probe, + cs35l41->reg_seq->num_probe); + if (ret) { + dev_err(cs35l41->dev, "Fail to apply probe reg patch: %d\n", ret); + goto err; + } + } + + ret = component_add(cs35l41->dev, &cs35l41_hda_comp_ops); + if (ret) { + dev_err(cs35l41->dev, "Register component failed: %d\n", ret); + goto err; + } + + dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n", regid, reg_revid); + + return 0; + +err: + kfree(acpi_hw_cfg); + if (!cs35l41->vspk_always_on) + gpiod_set_value_cansleep(cs35l41->reset_gpio, 0); + gpiod_put(cs35l41->reset_gpio); + + return ret; +} +EXPORT_SYMBOL_GPL(cs35l41_hda_probe); + +int cs35l41_hda_remove(struct device *dev) +{ + struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); + + component_del(cs35l41->dev, &cs35l41_hda_comp_ops); + + if (!cs35l41->vspk_always_on) + gpiod_set_value_cansleep(cs35l41->reset_gpio, 0); + gpiod_put(cs35l41->reset_gpio); + + return 0; +} +EXPORT_SYMBOL_GPL(cs35l41_hda_remove); + + +MODULE_DESCRIPTION("CS35L41 HDA Driver"); +MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, tanureal@opensource.cirrus.com"); +MODULE_LICENSE("GPL"); diff --git a/sound/pci/hda/cs35l41_hda.h b/sound/pci/hda/cs35l41_hda.h new file mode 100644 index 000000000000..76c69a8a22f6 --- /dev/null +++ b/sound/pci/hda/cs35l41_hda.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * cs35l41_hda.h -- CS35L41 ALSA HDA audio driver + * + * Copyright 2021 Cirrus Logic, Inc. + * + * Author: Lucas Tanure tanureal@opensource.cirrus.com + */ + +#ifndef __CS35L41_HDA_H__ +#define __CS35L41_HDA_H__ + +#include <linux/regulator/consumer.h> +#include <linux/gpio/consumer.h> +#include <linux/device.h> +#include <sound/cs35l41.h> + +enum cs35l41_hda_spk_pos { + CS35l41_LEFT, + CS35l41_RIGHT, +}; + +enum cs35l41_hda_gpio_function { + CS35L41_NOT_USED, + CS35l41_VSPK_SWITCH, + CS35L41_INTERRUPT, + CS35l41_SYNC, +}; + +struct cs35l41_hda_reg_sequence { + const struct reg_sequence *probe; + unsigned int num_probe; + const struct reg_sequence *open; + unsigned int num_open; + const struct reg_sequence *prepare; + unsigned int num_prepare; + const struct reg_sequence *cleanup; + unsigned int num_cleanup; + const struct reg_sequence *close; + unsigned int num_close; +}; + +struct cs35l41_hda_hw_config { + unsigned int spk_pos; + unsigned int gpio1_func; + unsigned int gpio2_func; + int bst_ind; + int bst_ipk; + int bst_cap; +}; + +struct cs35l41_hda { + struct device *dev; + struct regmap *regmap; + struct gpio_desc *reset_gpio; + const struct cs35l41_hda_reg_sequence *reg_seq; + + int irq; + int index; + + /* Don't put the AMP in reset of VSPK can not be turned off */ + bool vspk_always_on; +}; + +int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int irq, + struct regmap *regmap); +int cs35l41_hda_remove(struct device *dev); + +#endif /*__CS35L41_HDA_H__*/ diff --git a/sound/pci/hda/cs35l41_hda_i2c.c b/sound/pci/hda/cs35l41_hda_i2c.c new file mode 100644 index 000000000000..4a9462fb5c14 --- /dev/null +++ b/sound/pci/hda/cs35l41_hda_i2c.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// cs35l41.c -- CS35l41 HDA I2C driver +// +// Copyright 2021 Cirrus Logic, Inc. +// +// Author: Lucas Tanure tanureal@opensource.cirrus.com + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/acpi.h> + +#include "cs35l41_hda.h" + +static int cs35l41_hda_i2c_probe(struct i2c_client *clt, const struct i2c_device_id *id) +{ + const char *device_name; + + /* Compare against the device name so it works for I2C, normal ACPI + * and for ACPI by i2c-multi-instantiate matching cases + */ + if (strstr(dev_name(&clt->dev), "CLSA0100")) + device_name = "CLSA0100"; + else if (strstr(dev_name(&clt->dev), "CSC3551")) + device_name = "CSC3551"; + else + return -ENODEV; + + return cs35l41_hda_probe(&clt->dev, device_name, clt->addr, clt->irq, + devm_regmap_init_i2c(clt, &cs35l41_regmap_i2c)); +} + +static int cs35l41_hda_i2c_remove(struct i2c_client *clt) +{ + return cs35l41_hda_remove(&clt->dev); +} + +static const struct i2c_device_id cs35l41_hda_i2c_id[] = { + { "cs35l41-hda", 0 }, + {} +}; + +#ifdef CONFIG_ACPI +static const struct acpi_device_id cs35l41_acpi_hda_match[] = { + {"CLSA0100", 0 }, + {"CSC3551", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match); +#endif + +static struct i2c_driver cs35l41_i2c_driver = { + .driver = { + .name = "cs35l41-hda", + .acpi_match_table = ACPI_PTR(cs35l41_acpi_hda_match), + }, + .id_table = cs35l41_hda_i2c_id, + .probe = cs35l41_hda_i2c_probe, + .remove = cs35l41_hda_i2c_remove, +}; + +module_i2c_driver(cs35l41_i2c_driver); + +MODULE_DESCRIPTION("HDA CS35L41 driver"); +MODULE_AUTHOR("Lucas Tanure tanureal@opensource.cirrus.com"); +MODULE_LICENSE("GPL"); diff --git a/sound/pci/hda/cs35l41_hda_spi.c b/sound/pci/hda/cs35l41_hda_spi.c new file mode 100644 index 000000000000..77426e96c58f --- /dev/null +++ b/sound/pci/hda/cs35l41_hda_spi.c @@ -0,0 +1,63 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// cs35l41.c -- CS35l41 HDA SPI driver +// +// Copyright 2021 Cirrus Logic, Inc. +// +// Author: Lucas Tanure tanureal@opensource.cirrus.com + +#include <linux/acpi.h> +#include <linux/module.h> +#include <linux/spi/spi.h> + +#include "cs35l41_hda.h" + +static int cs35l41_hda_spi_probe(struct spi_device *spi) +{ + const char *device_name; + + /* Compare against the device name so it works for SPI, normal ACPI + * and for ACPI by spi-multi-instantiate matching cases + */ + if (strstr(dev_name(&spi->dev), "CSC3551")) + device_name = "CSC3551"; + else + return -ENODEV; + + return cs35l41_hda_probe(&spi->dev, device_name, spi->chip_select, spi->irq, + devm_regmap_init_spi(spi, &cs35l41_regmap_spi)); +} + +static int cs35l41_hda_spi_remove(struct spi_device *spi) +{ + return cs35l41_hda_remove(&spi->dev); +} + +static const struct spi_device_id cs35l41_hda_spi_id[] = { + { "cs35l41-hda", 0 }, + {} +}; + +#ifdef CONFIG_ACPI +static const struct acpi_device_id cs35l41_acpi_hda_match[] = { + { "CSC3551", 0 }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, cs35l41_acpi_hda_match); +#endif + +static struct spi_driver cs35l41_spi_driver = { + .driver = { + .name = "cs35l41_hda", + .acpi_match_table = ACPI_PTR(cs35l41_acpi_hda_match), + }, + .id_table = cs35l41_hda_spi_id, + .probe = cs35l41_hda_spi_probe, + .remove = cs35l41_hda_spi_remove, +}; + +module_spi_driver(cs35l41_spi_driver); + +MODULE_DESCRIPTION("HDA CS35L41 driver"); +MODULE_AUTHOR("Lucas Tanure tanureal@opensource.cirrus.com"); +MODULE_LICENSE("GPL"); diff --git a/sound/pci/hda/hda_component.h b/sound/pci/hda/hda_component.h new file mode 100644 index 000000000000..2e52be6db9c2 --- /dev/null +++ b/sound/pci/hda/hda_component.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * HD audio Component Binding Interface + * + * Copyright (C) 2021 Cirrus Logic, Inc. and + * Cirrus Logic International Semiconductor Ltd. + */ + +#include <linux/component.h> + +#define HDA_MAX_COMPONENTS 4 +#define HDA_MAX_NAME_SIZE 50 + +struct hda_component { + struct device *dev; + char name[HDA_MAX_NAME_SIZE]; + void (*playback_hook)(struct device *dev, int action); + int (*set_channel_map)(struct device *dev, unsigned int rx_num, unsigned int *rx_slot, + unsigned int tx_num, unsigned int *tx_slot); +}; diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 2550870d384d..1ed57774a45c 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -614,6 +614,8 @@ config SND_SOC_CS35L36

config SND_SOC_CS35L41_LIB tristate + default y if SND_HDA_SCODEC_CS35L41=y + default m if SND_HDA_SCODEC_CS35L41=m default y if SND_SOC_CS35L41=y default m if SND_SOC_CS35L41=m