forked from Minki/linux
ALSA: hda: cs35l41: Tidyup code
Clean up and simplify cs35l41_hda_bind function Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com> Link: https://lore.kernel.org/r/20220117160830.709403-6-tanureal@opensource.cirrus.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Lucas Tanure
Takashi Iwai
parent
a025df02ce
commit
8c286a0f97
@ -1,6 +1,6 @@
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// SPDX-License-Identifier: GPL-2.0
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//
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// cs35l41.c -- CS35l41 ALSA HDA audio driver
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// CS35l41 ALSA HDA audio driver
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//
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// Copyright 2021 Cirrus Logic, Inc.
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//
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@ -17,19 +17,19 @@
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#include "cs35l41_hda.h"
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static const struct reg_sequence cs35l41_hda_config[] = {
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{ CS35L41_PLL_CLK_CTRL, 0x00000430 }, //3200000Hz, BCLK Input, PLL_REFCLK_EN = 1
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{ CS35L41_GLOBAL_CLK_CTRL, 0x00000003 }, //GLOBAL_FS = 48 kHz
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{ CS35L41_SP_ENABLES, 0x00010000 }, //ASP_RX1_EN = 1
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{ CS35L41_SP_RATE_CTRL, 0x00000021 }, //ASP_BCLK_FREQ = 3.072 MHz
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{ CS35L41_SP_FORMAT, 0x20200200 }, //24 bits, I2S, BCLK Slave, FSYNC Slave
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{ CS35L41_DAC_PCM1_SRC, 0x00000008 }, //DACPCM1_SRC = ASPRX1
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{ CS35L41_AMP_DIG_VOL_CTRL, 0x00000000 }, //AMP_VOL_PCM 0.0 dB
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{ CS35L41_AMP_GAIN_CTRL, 0x00000084 }, //AMP_GAIN_PCM 4.5 dB
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{ CS35L41_PWR_CTRL2, 0x00000001 }, //AMP_EN = 1
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{ CS35L41_PLL_CLK_CTRL, 0x00000430 }, // 3200000Hz, BCLK Input, PLL_REFCLK_EN = 1
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{ CS35L41_GLOBAL_CLK_CTRL, 0x00000003 }, // GLOBAL_FS = 48 kHz
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{ CS35L41_SP_ENABLES, 0x00010000 }, // ASP_RX1_EN = 1
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{ CS35L41_SP_RATE_CTRL, 0x00000021 }, // ASP_BCLK_FREQ = 3.072 MHz
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{ CS35L41_SP_FORMAT, 0x20200200 }, // 24 bits, I2S, BCLK Slave, FSYNC Slave
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{ CS35L41_DAC_PCM1_SRC, 0x00000008 }, // DACPCM1_SRC = ASPRX1
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{ CS35L41_AMP_DIG_VOL_CTRL, 0x00000000 }, // AMP_VOL_PCM 0.0 dB
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{ CS35L41_AMP_GAIN_CTRL, 0x00000084 }, // AMP_GAIN_PCM 4.5 dB
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{ CS35L41_PWR_CTRL2, 0x00000001 }, // AMP_EN = 1
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};
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static const struct reg_sequence cs35l41_hda_start_bst[] = {
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{ CS35L41_PWR_CTRL2, 0x00000021 }, //BST_EN = 10, AMP_EN = 1
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{ CS35L41_PWR_CTRL2, 0x00000021 }, // BST_EN = 10, AMP_EN = 1
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{ CS35L41_PWR_CTRL1, 0x00000001, 3000}, // set GLOBAL_EN = 1
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};
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@ -60,7 +60,7 @@ static const struct reg_sequence cs35l41_stop_ext_vspk[] = {
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{ 0x00000040, 0x00000055 },
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{ 0x00000040, 0x000000AA },
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{ 0x00007438, 0x00585941 },
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{ 0x00002014, 0x00000000, 3000}, //set GLOBAL_EN = 0
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{ 0x00002014, 0x00000000, 3000}, // set GLOBAL_EN = 0
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{ 0x0000742C, 0x00000009 },
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{ 0x00007438, 0x00580941 },
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{ 0x00011008, 0x00000001 },
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@ -78,7 +78,7 @@ static const struct reg_sequence cs35l41_safe_to_active[] = {
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{ 0x0000742C, 0x0000000F },
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{ 0x0000742C, 0x00000079 },
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{ 0x00007438, 0x00585941 },
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{ CS35L41_PWR_CTRL1, 0x00000001, 2000 }, //GLOBAL_EN = 1
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{ CS35L41_PWR_CTRL1, 0x00000001, 2000 }, // GLOBAL_EN = 1
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{ 0x0000742C, 0x000000F9 },
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{ 0x00007438, 0x00580941 },
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{ 0x00000040, 0x000000CC },
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@ -89,8 +89,8 @@ static const struct reg_sequence cs35l41_active_to_safe[] = {
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{ 0x00000040, 0x00000055 },
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{ 0x00000040, 0x000000AA },
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{ 0x00007438, 0x00585941 },
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{ CS35L41_AMP_DIG_VOL_CTRL, 0x0000A678 }, //AMP_VOL_PCM Mute
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{ CS35L41_PWR_CTRL2, 0x00000000 }, //AMP_EN = 0
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{ CS35L41_AMP_DIG_VOL_CTRL, 0x0000A678 }, // AMP_VOL_PCM Mute
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{ CS35L41_PWR_CTRL2, 0x00000000 }, // AMP_EN = 0
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{ CS35L41_PWR_CTRL1, 0x00000000 },
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{ 0x0000742C, 0x00000009, 2000 },
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{ 0x00007438, 0x00580941 },
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@ -168,7 +168,6 @@ static void cs35l41_hda_playback_hook(struct device *dev, int action)
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if (ret)
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dev_warn(cs35l41->dev, "Failed to apply multi reg write: %d\n", ret);
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}
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static int cs35l41_hda_channel_map(struct device *dev, unsigned int tx_num, unsigned int *tx_slot,
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@ -185,20 +184,19 @@ static int cs35l41_hda_bind(struct device *dev, struct device *master, void *mas
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struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev);
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struct hda_component *comps = master_data;
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if (comps && cs35l41->index >= 0 && cs35l41->index < HDA_MAX_COMPONENTS)
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comps = &comps[cs35l41->index];
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else
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if (!comps || cs35l41->index < 0 || cs35l41->index >= HDA_MAX_COMPONENTS)
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return -EINVAL;
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if (!comps->dev) {
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comps->dev = dev;
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strscpy(comps->name, dev_name(dev), sizeof(comps->name));
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comps->playback_hook = cs35l41_hda_playback_hook;
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comps->set_channel_map = cs35l41_hda_channel_map;
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return 0;
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}
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comps = &comps[cs35l41->index];
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if (comps->dev)
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return -EBUSY;
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return -EBUSY;
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comps->dev = dev;
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strscpy(comps->name, dev_name(dev), sizeof(comps->name));
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comps->playback_hook = cs35l41_hda_playback_hook;
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comps->set_channel_map = cs35l41_hda_channel_map;
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return 0;
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}
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static void cs35l41_hda_unbind(struct device *dev, struct device *master, void *master_data)
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@ -269,11 +267,7 @@ static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41,
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cs35l41->reg_seq = &cs35l41_hda_reg_seq_ext_bst;
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}
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ret = cs35l41_hda_channel_map(cs35l41->dev, 0, NULL, 1, (unsigned int *)&hw_cfg->spk_pos);
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if (ret)
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return ret;
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return 0;
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return cs35l41_hda_channel_map(cs35l41->dev, 0, NULL, 1, (unsigned int *)&hw_cfg->spk_pos);
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}
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static struct cs35l41_hda_hw_config *cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41,
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@ -282,7 +276,7 @@ static struct cs35l41_hda_hw_config *cs35l41_hda_read_acpi(struct cs35l41_hda *c
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struct cs35l41_hda_hw_config *hw_cfg;
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u32 values[HDA_MAX_COMPONENTS];
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struct acpi_device *adev;
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struct device *acpi_dev;
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struct device *physdev;
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char *property;
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size_t nval;
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int i, ret;
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@ -293,11 +287,11 @@ static struct cs35l41_hda_hw_config *cs35l41_hda_read_acpi(struct cs35l41_hda *c
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return ERR_PTR(-ENODEV);
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}
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acpi_dev = get_device(acpi_get_first_physical_node(adev));
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physdev = get_device(acpi_get_first_physical_node(adev));
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acpi_dev_put(adev);
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property = "cirrus,dev-index";
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ret = device_property_count_u32(acpi_dev, property);
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ret = device_property_count_u32(physdev, property);
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if (ret <= 0)
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goto no_acpi_dsd;
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@ -307,7 +301,7 @@ static struct cs35l41_hda_hw_config *cs35l41_hda_read_acpi(struct cs35l41_hda *c
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}
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nval = ret;
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ret = device_property_read_u32_array(acpi_dev, property, values, nval);
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ret = device_property_read_u32_array(physdev, property, values, nval);
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if (ret)
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goto err;
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@ -324,7 +318,9 @@ static struct cs35l41_hda_hw_config *cs35l41_hda_read_acpi(struct cs35l41_hda *c
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goto err;
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}
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/* No devm_ version as CLSA0100, in no_acpi_dsd case, can't use devm version */
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/* To use the same release code for all laptop variants we can't use devm_ version of
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* gpiod_get here, as CLSA010* don't have a fully functional bios with an _DSD node
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*/
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cs35l41->reset_gpio = fwnode_gpiod_get_index(&adev->fwnode, "reset", cs35l41->index,
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GPIOD_OUT_LOW, "cs35l41-reset");
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@ -335,46 +331,46 @@ static struct cs35l41_hda_hw_config *cs35l41_hda_read_acpi(struct cs35l41_hda *c
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}
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property = "cirrus,speaker-position";
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ret = device_property_read_u32_array(acpi_dev, property, values, nval);
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ret = device_property_read_u32_array(physdev, property, values, nval);
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if (ret)
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goto err_free;
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hw_cfg->spk_pos = values[cs35l41->index];
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property = "cirrus,gpio1-func";
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ret = device_property_read_u32_array(acpi_dev, property, values, nval);
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ret = device_property_read_u32_array(physdev, property, values, nval);
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if (ret)
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goto err_free;
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hw_cfg->gpio1_func = values[cs35l41->index];
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property = "cirrus,gpio2-func";
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ret = device_property_read_u32_array(acpi_dev, property, values, nval);
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ret = device_property_read_u32_array(physdev, property, values, nval);
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if (ret)
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goto err_free;
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hw_cfg->gpio2_func = values[cs35l41->index];
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property = "cirrus,boost-peak-milliamp";
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ret = device_property_read_u32_array(acpi_dev, property, values, nval);
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ret = device_property_read_u32_array(physdev, property, values, nval);
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if (ret == 0)
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hw_cfg->bst_ipk = values[cs35l41->index];
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property = "cirrus,boost-ind-nanohenry";
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ret = device_property_read_u32_array(acpi_dev, property, values, nval);
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ret = device_property_read_u32_array(physdev, property, values, nval);
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if (ret == 0)
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hw_cfg->bst_ind = values[cs35l41->index];
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property = "cirrus,boost-cap-microfarad";
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ret = device_property_read_u32_array(acpi_dev, property, values, nval);
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ret = device_property_read_u32_array(physdev, property, values, nval);
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if (ret == 0)
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hw_cfg->bst_cap = values[cs35l41->index];
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put_device(acpi_dev);
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put_device(physdev);
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return hw_cfg;
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err_free:
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kfree(hw_cfg);
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err:
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put_device(acpi_dev);
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put_device(physdev);
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dev_err(cs35l41->dev, "Failed property %s: %d\n", property, ret);
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return ERR_PTR(ret);
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@ -383,18 +379,18 @@ no_acpi_dsd:
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/*
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* Device CLSA0100 doesn't have _DSD so a gpiod_get by the label reset won't work.
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* And devices created by i2c-multi-instantiate don't have their device struct pointing to
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* the correct fwnode, so acpi_dev must be used here
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* the correct fwnode, so acpi_dev must be used here.
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* And devm functions expect that the device requesting the resource has the correct
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* fwnode
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* fwnode.
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*/
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if (strncmp(hid, "CLSA0100", 8) != 0)
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return ERR_PTR(-EINVAL);
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/* check I2C address to assign the index */
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cs35l41->index = id == 0x40 ? 0 : 1;
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cs35l41->reset_gpio = gpiod_get_index(acpi_dev, NULL, 0, GPIOD_OUT_HIGH);
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cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
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cs35l41->vspk_always_on = true;
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put_device(acpi_dev);
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put_device(physdev);
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return NULL;
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}
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@ -449,7 +445,8 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i
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ret = regmap_read(cs35l41->regmap, CS35L41_IRQ1_STATUS3, &int_sts);
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if (ret || (int_sts & CS35L41_OTP_BOOT_ERR)) {
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dev_err(cs35l41->dev, "OTP Boot error\n");
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dev_err(cs35l41->dev, "OTP Boot status %x error: %d\n",
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int_sts & CS35L41_OTP_BOOT_ERR, ret);
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ret = -EIO;
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goto err;
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}
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@ -501,7 +498,7 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i
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if (cs35l41->reg_seq->probe) {
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ret = regmap_multi_reg_write(cs35l41->regmap, cs35l41->reg_seq->probe,
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cs35l41->reg_seq->num_probe);
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cs35l41->reg_seq->num_probe);
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if (ret) {
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dev_err(cs35l41->dev, "Fail to apply probe reg patch: %d\n", ret);
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goto err;
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@ -1,6 +1,6 @@
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/* SPDX-License-Identifier: GPL-2.0
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*
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* cs35l41_hda.h -- CS35L41 ALSA HDA audio driver
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* CS35L41 ALSA HDA audio driver
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*
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* Copyright 2021 Cirrus Logic, Inc.
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*
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@ -58,7 +58,6 @@ static struct i2c_driver cs35l41_i2c_driver = {
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.probe = cs35l41_hda_i2c_probe,
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.remove = cs35l41_hda_i2c_remove,
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};
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module_i2c_driver(cs35l41_i2c_driver);
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MODULE_DESCRIPTION("HDA CS35L41 driver");
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@ -55,7 +55,6 @@ static struct spi_driver cs35l41_spi_driver = {
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.probe = cs35l41_hda_spi_probe,
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.remove = cs35l41_hda_spi_remove,
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};
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module_spi_driver(cs35l41_spi_driver);
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MODULE_DESCRIPTION("HDA CS35L41 driver");
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