diff options
Diffstat (limited to 'sound/pci/hda/cs35l41_hda.c')
| -rw-r--r-- | sound/pci/hda/cs35l41_hda.c | 1683 |
1 files changed, 0 insertions, 1683 deletions
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c deleted file mode 100644 index f9b77353c266..000000000000 --- a/sound/pci/hda/cs35l41_hda.c +++ /dev/null @@ -1,1683 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// 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 <linux/moduleparam.h> -#include <sound/hda_codec.h> -#include <sound/soc.h> -#include <linux/pm_runtime.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" -#include "hda_cs_dsp_ctl.h" -#include "cs35l41_hda_property.h" - -#define CS35L41_FIRMWARE_ROOT "cirrus/" -#define CS35L41_PART "cs35l41" - -#define HALO_STATE_DSP_CTL_NAME "HALO_STATE" -#define HALO_STATE_DSP_CTL_TYPE 5 -#define HALO_STATE_DSP_CTL_ALG 262308 -#define CAL_R_DSP_CTL_NAME "CAL_R" -#define CAL_STATUS_DSP_CTL_NAME "CAL_STATUS" -#define CAL_CHECKSUM_DSP_CTL_NAME "CAL_CHECKSUM" -#define CAL_AMBIENT_DSP_CTL_NAME "CAL_AMBIENT" -#define CAL_DSP_CTL_TYPE 5 -#define CAL_DSP_CTL_ALG 205 - -static bool firmware_autostart = 1; -module_param(firmware_autostart, bool, 0444); -MODULE_PARM_DESC(firmware_autostart, "Allow automatic firmware download on boot" - "(0=Disable, 1=Enable) (default=1); "); - -static const struct reg_sequence cs35l41_hda_config[] = { - { CS35L41_PLL_CLK_CTRL, 0x00000430 }, // 3072000Hz, BCLK Input, PLL_REFCLK_EN = 1 - { CS35L41_DSP_CLK_CTRL, 0x00000003 }, // DSP CLK EN - { 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 }, // 32 bits RX/TX slots, I2S, clk consumer - { CS35L41_SP_HIZ_CTRL, 0x00000002 }, // Hi-Z unused - { CS35L41_SP_TX_WL, 0x00000018 }, // 24 cycles/slot - { CS35L41_SP_RX_WL, 0x00000018 }, // 24 cycles/slot - { CS35L41_DAC_PCM1_SRC, 0x00000008 }, // DACPCM1_SRC = ASPRX1 - { CS35L41_ASP_TX1_SRC, 0x00000018 }, // ASPTX1 SRC = VMON - { CS35L41_ASP_TX2_SRC, 0x00000019 }, // ASPTX2 SRC = IMON - { CS35L41_ASP_TX3_SRC, 0x00000032 }, // ASPTX3 SRC = ERRVOL - { CS35L41_ASP_TX4_SRC, 0x00000033 }, // ASPTX4 SRC = CLASSH_TGT - { CS35L41_DSP1_RX1_SRC, 0x00000008 }, // DSP1RX1 SRC = ASPRX1 - { CS35L41_DSP1_RX2_SRC, 0x00000009 }, // DSP1RX2 SRC = ASPRX2 - { CS35L41_DSP1_RX3_SRC, 0x00000018 }, // DSP1RX3 SRC = VMON - { CS35L41_DSP1_RX4_SRC, 0x00000019 }, // DSP1RX4 SRC = IMON - { CS35L41_DSP1_RX5_SRC, 0x00000020 }, // DSP1RX5 SRC = ERRVOL -}; - -static const struct reg_sequence cs35l41_hda_config_dsp[] = { - { CS35L41_PLL_CLK_CTRL, 0x00000430 }, // 3072000Hz, BCLK Input, PLL_REFCLK_EN = 1 - { CS35L41_DSP_CLK_CTRL, 0x00000003 }, // DSP CLK EN - { CS35L41_GLOBAL_CLK_CTRL, 0x00000003 }, // GLOBAL_FS = 48 kHz - { CS35L41_SP_ENABLES, 0x00010001 }, // ASP_RX1_EN = 1, ASP_TX1_EN = 1 - { CS35L41_SP_RATE_CTRL, 0x00000021 }, // ASP_BCLK_FREQ = 3.072 MHz - { CS35L41_SP_FORMAT, 0x20200200 }, // 32 bits RX/TX slots, I2S, clk consumer - { CS35L41_SP_HIZ_CTRL, 0x00000003 }, // Hi-Z unused/disabled - { CS35L41_SP_TX_WL, 0x00000018 }, // 24 cycles/slot - { CS35L41_SP_RX_WL, 0x00000018 }, // 24 cycles/slot - { CS35L41_DAC_PCM1_SRC, 0x00000032 }, // DACPCM1_SRC = ERR_VOL - { CS35L41_ASP_TX1_SRC, 0x00000018 }, // ASPTX1 SRC = VMON - { CS35L41_ASP_TX2_SRC, 0x00000019 }, // ASPTX2 SRC = IMON - { CS35L41_ASP_TX3_SRC, 0x00000028 }, // ASPTX3 SRC = VPMON - { CS35L41_ASP_TX4_SRC, 0x00000029 }, // ASPTX4 SRC = VBSTMON - { CS35L41_DSP1_RX1_SRC, 0x00000008 }, // DSP1RX1 SRC = ASPRX1 - { CS35L41_DSP1_RX2_SRC, 0x00000008 }, // DSP1RX2 SRC = ASPRX1 - { CS35L41_DSP1_RX3_SRC, 0x00000018 }, // DSP1RX3 SRC = VMON - { CS35L41_DSP1_RX4_SRC, 0x00000019 }, // DSP1RX4 SRC = IMON - { CS35L41_DSP1_RX5_SRC, 0x00000029 }, // DSP1RX5 SRC = VBSTMON -}; - -static const struct reg_sequence cs35l41_hda_unmute[] = { - { CS35L41_AMP_DIG_VOL_CTRL, 0x00008000 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM 0.0 dB - { CS35L41_AMP_GAIN_CTRL, 0x00000084 }, // AMP_GAIN_PCM 4.5 dB -}; - -static const struct reg_sequence cs35l41_hda_unmute_dsp[] = { - { CS35L41_AMP_DIG_VOL_CTRL, 0x00008000 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM 0.0 dB - { CS35L41_AMP_GAIN_CTRL, 0x00000233 }, // AMP_GAIN_PCM = 17.5dB AMP_GAIN_PDM = 19.5dB -}; - -static const struct reg_sequence cs35l41_hda_mute[] = { - { CS35L41_AMP_GAIN_CTRL, 0x00000000 }, // AMP_GAIN_PCM 0.5 dB - { CS35L41_AMP_DIG_VOL_CTRL, 0x0000A678 }, // AMP_HPF_PCM_EN = 1, AMP_VOL_PCM Mute -}; - -static void cs35l41_add_controls(struct cs35l41_hda *cs35l41) -{ - struct hda_cs_dsp_ctl_info info; - - info.device_name = cs35l41->amp_name; - info.fw_type = cs35l41->firmware_type; - info.card = cs35l41->codec->card; - - hda_cs_dsp_add_controls(&cs35l41->cs_dsp, &info); -} - -static const struct cs_dsp_client_ops client_ops = { - .control_remove = hda_cs_dsp_control_remove, -}; - -static int cs35l41_request_firmware_file(struct cs35l41_hda *cs35l41, - const struct firmware **firmware, char **filename, - const char *dir, const char *ssid, const char *amp_name, - int spkid, const char *filetype) -{ - const char * const dsp_name = cs35l41->cs_dsp.name; - char *s, c; - int ret = 0; - - if (spkid > -1 && ssid && amp_name) - *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-spkid%d-%s.%s", dir, CS35L41_PART, - dsp_name, hda_cs_dsp_fw_ids[cs35l41->firmware_type], - ssid, spkid, amp_name, filetype); - else if (spkid > -1 && ssid) - *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-spkid%d.%s", dir, CS35L41_PART, - dsp_name, hda_cs_dsp_fw_ids[cs35l41->firmware_type], - ssid, spkid, filetype); - else if (ssid && amp_name) - *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-%s.%s", dir, CS35L41_PART, - dsp_name, hda_cs_dsp_fw_ids[cs35l41->firmware_type], - ssid, amp_name, filetype); - else if (ssid) - *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, CS35L41_PART, - dsp_name, hda_cs_dsp_fw_ids[cs35l41->firmware_type], - ssid, filetype); - else - *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, CS35L41_PART, - dsp_name, hda_cs_dsp_fw_ids[cs35l41->firmware_type], - filetype); - - if (*filename == NULL) - return -ENOMEM; - - /* - * Make sure that filename is lower-case and any non alpha-numeric - * characters except full stop and '/' are replaced with hyphens. - */ - s = *filename; - while (*s) { - c = *s; - if (isalnum(c)) - *s = tolower(c); - else if (c != '.' && c != '/') - *s = '-'; - s++; - } - - ret = firmware_request_nowarn(firmware, *filename, cs35l41->dev); - if (ret != 0) { - dev_dbg(cs35l41->dev, "Failed to request '%s'\n", *filename); - kfree(*filename); - *filename = NULL; - } - - return ret; -} - -static int cs35l41_request_firmware_files_spkid(struct cs35l41_hda *cs35l41, - const struct firmware **wmfw_firmware, - char **wmfw_filename, - const struct firmware **coeff_firmware, - char **coeff_filename) -{ - int ret; - - /* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.wmfw */ - ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename, - CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, cs35l41->amp_name, - cs35l41->speaker_id, "wmfw"); - if (!ret) { - /* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.bin */ - return cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename, - CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, cs35l41->amp_name, - cs35l41->speaker_id, "bin"); - } - - /* try cirrus/part-dspN-fwtype-sub<-ampname>.wmfw */ - ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename, - CS35L41_FIRMWARE_ROOT, cs35l41->acpi_subsystem_id, - cs35l41->amp_name, -1, "wmfw"); - if (!ret) { - /* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.bin */ - return cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename, - CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, cs35l41->amp_name, - cs35l41->speaker_id, "bin"); - } - - /* try cirrus/part-dspN-fwtype-sub<-spkidN>.wmfw */ - ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename, - CS35L41_FIRMWARE_ROOT, cs35l41->acpi_subsystem_id, - NULL, cs35l41->speaker_id, "wmfw"); - if (!ret) { - /* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.bin */ - ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename, - CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, - cs35l41->amp_name, cs35l41->speaker_id, "bin"); - if (ret) - /* try cirrus/part-dspN-fwtype-sub<-spkidN>.bin */ - return cs35l41_request_firmware_file(cs35l41, coeff_firmware, - coeff_filename, CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, NULL, - cs35l41->speaker_id, "bin"); - } - - /* try cirrus/part-dspN-fwtype-sub.wmfw */ - ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename, - CS35L41_FIRMWARE_ROOT, cs35l41->acpi_subsystem_id, - NULL, -1, "wmfw"); - if (!ret) { - /* try cirrus/part-dspN-fwtype-sub<-spkidN><-ampname>.bin */ - ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename, - CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, cs35l41->amp_name, - cs35l41->speaker_id, "bin"); - if (ret) - /* try cirrus/part-dspN-fwtype-sub<-spkidN>.bin */ - return cs35l41_request_firmware_file(cs35l41, coeff_firmware, - coeff_filename, CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, NULL, - cs35l41->speaker_id, "bin"); - } - - return ret; -} - -static int cs35l41_request_firmware_files(struct cs35l41_hda *cs35l41, - const struct firmware **wmfw_firmware, - char **wmfw_filename, - const struct firmware **coeff_firmware, - char **coeff_filename) -{ - int ret; - - if (cs35l41->speaker_id > -1) { - ret = cs35l41_request_firmware_files_spkid(cs35l41, wmfw_firmware, wmfw_filename, - coeff_firmware, coeff_filename); - goto out; - - } - - /* try cirrus/part-dspN-fwtype-sub<-ampname>.wmfw */ - ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename, - CS35L41_FIRMWARE_ROOT, cs35l41->acpi_subsystem_id, - cs35l41->amp_name, -1, "wmfw"); - if (!ret) { - /* try cirrus/part-dspN-fwtype-sub<-ampname>.bin */ - ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename, - CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, cs35l41->amp_name, - -1, "bin"); - goto out; - } - - /* try cirrus/part-dspN-fwtype-sub.wmfw */ - ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename, - CS35L41_FIRMWARE_ROOT, cs35l41->acpi_subsystem_id, - NULL, -1, "wmfw"); - if (!ret) { - /* try cirrus/part-dspN-fwtype-sub<-ampname>.bin */ - ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename, - CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, - cs35l41->amp_name, -1, "bin"); - if (ret) - /* try cirrus/part-dspN-fwtype-sub.bin */ - ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename, - CS35L41_FIRMWARE_ROOT, - cs35l41->acpi_subsystem_id, NULL, -1, - "bin"); - } - -out: - if (!ret) - return 0; - - /* Handle fallback */ - dev_warn(cs35l41->dev, "Falling back to default firmware.\n"); - - release_firmware(*wmfw_firmware); - kfree(*wmfw_filename); - - /* fallback try cirrus/part-dspN-fwtype.wmfw */ - ret = cs35l41_request_firmware_file(cs35l41, wmfw_firmware, wmfw_filename, - CS35L41_FIRMWARE_ROOT, NULL, NULL, -1, "wmfw"); - if (!ret) - /* fallback try cirrus/part-dspN-fwtype.bin */ - ret = cs35l41_request_firmware_file(cs35l41, coeff_firmware, coeff_filename, - CS35L41_FIRMWARE_ROOT, NULL, NULL, -1, "bin"); - - if (ret) { - release_firmware(*wmfw_firmware); - kfree(*wmfw_filename); - dev_warn(cs35l41->dev, "Unable to find firmware and tuning\n"); - } - return ret; -} - -#if IS_ENABLED(CONFIG_EFI) -static int cs35l41_apply_calibration(struct cs35l41_hda *cs35l41, __be32 ambient, __be32 r0, - __be32 status, __be32 checksum) -{ - int ret; - - ret = hda_cs_dsp_write_ctl(&cs35l41->cs_dsp, CAL_AMBIENT_DSP_CTL_NAME, CAL_DSP_CTL_TYPE, - CAL_DSP_CTL_ALG, &ambient, 4); - if (ret) { - dev_err(cs35l41->dev, "Cannot Write Control: %s - %d\n", CAL_AMBIENT_DSP_CTL_NAME, - ret); - return ret; - } - ret = hda_cs_dsp_write_ctl(&cs35l41->cs_dsp, CAL_R_DSP_CTL_NAME, CAL_DSP_CTL_TYPE, - CAL_DSP_CTL_ALG, &r0, 4); - if (ret) { - dev_err(cs35l41->dev, "Cannot Write Control: %s - %d\n", CAL_R_DSP_CTL_NAME, ret); - return ret; - } - ret = hda_cs_dsp_write_ctl(&cs35l41->cs_dsp, CAL_STATUS_DSP_CTL_NAME, CAL_DSP_CTL_TYPE, - CAL_DSP_CTL_ALG, &status, 4); - if (ret) { - dev_err(cs35l41->dev, "Cannot Write Control: %s - %d\n", CAL_STATUS_DSP_CTL_NAME, - ret); - return ret; - } - ret = hda_cs_dsp_write_ctl(&cs35l41->cs_dsp, CAL_CHECKSUM_DSP_CTL_NAME, CAL_DSP_CTL_TYPE, - CAL_DSP_CTL_ALG, &checksum, 4); - if (ret) { - dev_err(cs35l41->dev, "Cannot Write Control: %s - %d\n", CAL_CHECKSUM_DSP_CTL_NAME, - ret); - return ret; - } - - return 0; -} - -static int cs35l41_save_calibration(struct cs35l41_hda *cs35l41) -{ - static efi_guid_t efi_guid = EFI_GUID(0x02f9af02, 0x7734, 0x4233, 0xb4, 0x3d, 0x93, 0xfe, - 0x5a, 0xa3, 0x5d, 0xb3); - static efi_char16_t efi_name[] = L"CirrusSmartAmpCalibrationData"; - const struct cs35l41_amp_efi_data *efi_data; - const struct cs35l41_amp_cal_data *cl; - unsigned long data_size = 0; - efi_status_t status; - int ret = 0; - u8 *data = NULL; - u32 attr; - - /* Get real size of UEFI variable */ - status = efi.get_variable(efi_name, &efi_guid, &attr, &data_size, data); - if (status == EFI_BUFFER_TOO_SMALL) { - ret = -ENODEV; - /* Allocate data buffer of data_size bytes */ - data = vmalloc(data_size); - if (!data) - return -ENOMEM; - /* Get variable contents into buffer */ - status = efi.get_variable(efi_name, &efi_guid, &attr, &data_size, data); - if (status == EFI_SUCCESS) { - efi_data = (struct cs35l41_amp_efi_data *)data; - dev_dbg(cs35l41->dev, "Calibration: Size=%d, Amp Count=%d\n", - efi_data->size, efi_data->count); - if (efi_data->count > cs35l41->index) { - cl = &efi_data->data[cs35l41->index]; - dev_dbg(cs35l41->dev, - "Calibration: Ambient=%02x, Status=%02x, R0=%d\n", - cl->calAmbient, cl->calStatus, cl->calR); - - /* Calibration can only be applied whilst the DSP is not running */ - ret = cs35l41_apply_calibration(cs35l41, - cpu_to_be32(cl->calAmbient), - cpu_to_be32(cl->calR), - cpu_to_be32(cl->calStatus), - cpu_to_be32(cl->calR + 1)); - } - } - vfree(data); - } - return ret; -} -#else -static int cs35l41_save_calibration(struct cs35l41_hda *cs35l41) -{ - dev_warn(cs35l41->dev, "Calibration not supported without EFI support.\n"); - return 0; -} -#endif - -static int cs35l41_init_dsp(struct cs35l41_hda *cs35l41) -{ - const struct firmware *coeff_firmware = NULL; - const struct firmware *wmfw_firmware = NULL; - struct cs_dsp *dsp = &cs35l41->cs_dsp; - char *coeff_filename = NULL; - char *wmfw_filename = NULL; - int ret; - - if (!cs35l41->halo_initialized) { - cs35l41_configure_cs_dsp(cs35l41->dev, cs35l41->regmap, dsp); - dsp->client_ops = &client_ops; - - ret = cs_dsp_halo_init(&cs35l41->cs_dsp); - if (ret) - return ret; - cs35l41->halo_initialized = true; - } - - ret = cs35l41_request_firmware_files(cs35l41, &wmfw_firmware, &wmfw_filename, - &coeff_firmware, &coeff_filename); - if (ret < 0) - return ret; - - dev_dbg(cs35l41->dev, "Loading WMFW Firmware: %s\n", wmfw_filename); - if (coeff_filename) - dev_dbg(cs35l41->dev, "Loading Coefficient File: %s\n", coeff_filename); - else - dev_warn(cs35l41->dev, "No Coefficient File available.\n"); - - ret = cs_dsp_power_up(dsp, wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename, - hda_cs_dsp_fw_ids[cs35l41->firmware_type]); - if (ret) - goto err_release; - - cs35l41_add_controls(cs35l41); - - ret = cs35l41_save_calibration(cs35l41); - -err_release: - release_firmware(wmfw_firmware); - release_firmware(coeff_firmware); - kfree(wmfw_filename); - kfree(coeff_filename); - - return ret; -} - -static void cs35l41_shutdown_dsp(struct cs35l41_hda *cs35l41) -{ - struct cs_dsp *dsp = &cs35l41->cs_dsp; - - cs_dsp_stop(dsp); - cs_dsp_power_down(dsp); - cs35l41->firmware_running = false; - dev_dbg(cs35l41->dev, "Unloaded Firmware\n"); -} - -static void cs35l41_remove_dsp(struct cs35l41_hda *cs35l41) -{ - struct cs_dsp *dsp = &cs35l41->cs_dsp; - - cancel_work_sync(&cs35l41->fw_load_work); - - mutex_lock(&cs35l41->fw_mutex); - cs35l41_shutdown_dsp(cs35l41); - cs_dsp_remove(dsp); - cs35l41->halo_initialized = false; - mutex_unlock(&cs35l41->fw_mutex); -} - -/* Protection release cycle to get the speaker out of Safe-Mode */ -static void cs35l41_error_release(struct device *dev, struct regmap *regmap, unsigned int mask) -{ - regmap_write(regmap, CS35L41_PROTECT_REL_ERR_IGN, 0); - regmap_set_bits(regmap, CS35L41_PROTECT_REL_ERR_IGN, mask); - regmap_clear_bits(regmap, CS35L41_PROTECT_REL_ERR_IGN, mask); -} - -/* Clear all errors to release safe mode. Global Enable must be cleared first. */ -static void cs35l41_irq_release(struct cs35l41_hda *cs35l41) -{ - cs35l41_error_release(cs35l41->dev, cs35l41->regmap, cs35l41->irq_errors); - cs35l41->irq_errors = 0; -} - -static void cs35l41_hda_play_start(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - struct regmap *reg = cs35l41->regmap; - - dev_dbg(dev, "Play (Start)\n"); - - if (cs35l41->playback_started) { - dev_dbg(dev, "Playback already started."); - return; - } - - cs35l41->playback_started = true; - - if (cs35l41->firmware_running) { - regmap_multi_reg_write(reg, cs35l41_hda_config_dsp, - ARRAY_SIZE(cs35l41_hda_config_dsp)); - regmap_update_bits(reg, CS35L41_PWR_CTRL2, - CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK, - 1 << CS35L41_VMON_EN_SHIFT | 1 << CS35L41_IMON_EN_SHIFT); - cs35l41_set_cspl_mbox_cmd(cs35l41->dev, reg, CSPL_MBOX_CMD_RESUME); - } else { - regmap_multi_reg_write(reg, cs35l41_hda_config, ARRAY_SIZE(cs35l41_hda_config)); - } - regmap_update_bits(reg, CS35L41_PWR_CTRL2, CS35L41_AMP_EN_MASK, 1 << CS35L41_AMP_EN_SHIFT); - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) - regmap_write(reg, CS35L41_GPIO1_CTRL1, 0x00008001); - -} - -static void cs35l41_hda_play_done(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - struct regmap *reg = cs35l41->regmap; - - dev_dbg(dev, "Play (Complete)\n"); - - cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 1, NULL, - cs35l41->firmware_running); - if (cs35l41->firmware_running) { - regmap_multi_reg_write(reg, cs35l41_hda_unmute_dsp, - ARRAY_SIZE(cs35l41_hda_unmute_dsp)); - } else { - regmap_multi_reg_write(reg, cs35l41_hda_unmute, - ARRAY_SIZE(cs35l41_hda_unmute)); - } -} - -static void cs35l41_hda_pause_start(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - struct regmap *reg = cs35l41->regmap; - - dev_dbg(dev, "Pause (Start)\n"); - - regmap_multi_reg_write(reg, cs35l41_hda_mute, ARRAY_SIZE(cs35l41_hda_mute)); - cs35l41_global_enable(dev, reg, cs35l41->hw_cfg.bst_type, 0, NULL, - cs35l41->firmware_running); -} - -static void cs35l41_hda_pause_done(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - struct regmap *reg = cs35l41->regmap; - - dev_dbg(dev, "Pause (Complete)\n"); - - regmap_update_bits(reg, CS35L41_PWR_CTRL2, CS35L41_AMP_EN_MASK, 0 << CS35L41_AMP_EN_SHIFT); - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) - regmap_write(reg, CS35L41_GPIO1_CTRL1, 0x00000001); - if (cs35l41->firmware_running) { - cs35l41_set_cspl_mbox_cmd(dev, reg, CSPL_MBOX_CMD_PAUSE); - regmap_update_bits(reg, CS35L41_PWR_CTRL2, - CS35L41_VMON_EN_MASK | CS35L41_IMON_EN_MASK, - 0 << CS35L41_VMON_EN_SHIFT | 0 << CS35L41_IMON_EN_SHIFT); - } - cs35l41_irq_release(cs35l41); - cs35l41->playback_started = false; -} - -static void cs35l41_hda_pre_playback_hook(struct device *dev, int action) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - - switch (action) { - case HDA_GEN_PCM_ACT_CLEANUP: - mutex_lock(&cs35l41->fw_mutex); - cs35l41_hda_pause_start(dev); - mutex_unlock(&cs35l41->fw_mutex); - break; - default: - break; - } -} -static void cs35l41_hda_playback_hook(struct device *dev, int action) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - - switch (action) { - case HDA_GEN_PCM_ACT_OPEN: - /* - * All amps must be resumed before we can start playing back. - * This ensures, for external boost, that all amps are in AMP_SAFE mode. - * Do this in HDA_GEN_PCM_ACT_OPEN, since this is run prior to any of the - * other actions. - */ - pm_runtime_get_sync(dev); - break; - case HDA_GEN_PCM_ACT_PREPARE: - mutex_lock(&cs35l41->fw_mutex); - cs35l41_hda_play_start(dev); - mutex_unlock(&cs35l41->fw_mutex); - break; - case HDA_GEN_PCM_ACT_CLEANUP: - mutex_lock(&cs35l41->fw_mutex); - cs35l41_hda_pause_done(dev); - mutex_unlock(&cs35l41->fw_mutex); - break; - case HDA_GEN_PCM_ACT_CLOSE: - mutex_lock(&cs35l41->fw_mutex); - if (!cs35l41->firmware_running && cs35l41->request_fw_load && - !cs35l41->fw_request_ongoing) { - dev_info(dev, "Requesting Firmware Load after HDA_GEN_PCM_ACT_CLOSE\n"); - cs35l41->fw_request_ongoing = true; - schedule_work(&cs35l41->fw_load_work); - } - mutex_unlock(&cs35l41->fw_mutex); - - /* - * Playback must be finished for all amps before we start runtime suspend. - * This ensures no amps are playing back when we start putting them to sleep. - */ - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); - break; - default: - break; - } -} - -static void cs35l41_hda_post_playback_hook(struct device *dev, int action) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - - switch (action) { - case HDA_GEN_PCM_ACT_PREPARE: - mutex_lock(&cs35l41->fw_mutex); - cs35l41_hda_play_done(dev); - mutex_unlock(&cs35l41->fw_mutex); - break; - default: - break; - } -} - -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); - static const char * const channel_name[] = { "L", "R" }; - - if (!cs35l41->amp_name) { - if (*rx_slot >= ARRAY_SIZE(channel_name)) - return -EINVAL; - - cs35l41->amp_name = devm_kasprintf(cs35l41->dev, GFP_KERNEL, "%s%d", - channel_name[*rx_slot], cs35l41->channel_index); - if (!cs35l41->amp_name) - return -ENOMEM; - } - - return cs35l41_set_channels(cs35l41->dev, cs35l41->regmap, tx_num, tx_slot, rx_num, - rx_slot); -} - -static int cs35l41_ready_for_reset(struct cs35l41_hda *cs35l41) -{ - int ret = 0; - - mutex_lock(&cs35l41->fw_mutex); - if (cs35l41->firmware_running) { - - regcache_cache_only(cs35l41->regmap, false); - - ret = cs35l41_exit_hibernate(cs35l41->dev, cs35l41->regmap); - if (ret) { - dev_warn(cs35l41->dev, "Unable to exit Hibernate."); - goto err; - } - - /* Test key needs to be unlocked to allow the OTP settings to re-apply */ - cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap); - ret = regcache_sync(cs35l41->regmap); - cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap); - if (ret) { - dev_err(cs35l41->dev, "Failed to restore register cache: %d\n", ret); - goto err; - } - - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) - cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, &cs35l41->hw_cfg); - - cs35l41_shutdown_dsp(cs35l41); - cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type); - } -err: - regcache_cache_only(cs35l41->regmap, true); - regcache_mark_dirty(cs35l41->regmap); - - mutex_unlock(&cs35l41->fw_mutex); - - return ret; -} - -static int cs35l41_system_suspend_prep(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - - dev_dbg(cs35l41->dev, "System Suspend Prepare\n"); - - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) { - dev_err_once(cs35l41->dev, "System Suspend not supported\n"); - return 0; /* don't block the whole system suspend */ - } - - mutex_lock(&cs35l41->fw_mutex); - if (cs35l41->playback_started) - cs35l41_hda_pause_start(dev); - mutex_unlock(&cs35l41->fw_mutex); - - return 0; -} - -static int cs35l41_system_suspend(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - int ret; - - dev_dbg(cs35l41->dev, "System Suspend\n"); - - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) { - dev_err_once(cs35l41->dev, "System Suspend not supported\n"); - return 0; /* don't block the whole system suspend */ - } - - mutex_lock(&cs35l41->fw_mutex); - if (cs35l41->playback_started) - cs35l41_hda_pause_done(dev); - mutex_unlock(&cs35l41->fw_mutex); - - ret = pm_runtime_force_suspend(dev); - if (ret) { - dev_err(dev, "System Suspend Failed, unable to runtime suspend: %d\n", ret); - return ret; - } - - /* Shutdown DSP before system suspend */ - ret = cs35l41_ready_for_reset(cs35l41); - - if (ret) - dev_err(dev, "System Suspend Failed, not ready for Reset: %d\n", ret); - - /* - * Reset GPIO may be shared, so cannot reset here. - * However beyond this point, amps may be powered down. - */ - return ret; -} - -static int cs35l41_system_resume(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - int ret; - - dev_dbg(cs35l41->dev, "System Resume\n"); - - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) { - dev_err_once(cs35l41->dev, "System Resume not supported\n"); - return 0; /* don't block the whole system resume */ - } - - if (cs35l41->reset_gpio) { - usleep_range(2000, 2100); - gpiod_set_value_cansleep(cs35l41->reset_gpio, 1); - } - - usleep_range(2000, 2100); - - ret = pm_runtime_force_resume(dev); - if (ret) { - dev_err(dev, "System Resume Failed: Unable to runtime resume: %d\n", ret); - return ret; - } - - mutex_lock(&cs35l41->fw_mutex); - - if (cs35l41->request_fw_load && !cs35l41->fw_request_ongoing) { - cs35l41->fw_request_ongoing = true; - schedule_work(&cs35l41->fw_load_work); - } - mutex_unlock(&cs35l41->fw_mutex); - - return ret; -} - -static int cs35l41_runtime_idle(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) - return -EBUSY; /* suspend not supported yet on this model */ - return 0; -} - -static int cs35l41_runtime_suspend(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - int ret = 0; - - dev_dbg(cs35l41->dev, "Runtime Suspend\n"); - - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) { - dev_dbg(cs35l41->dev, "Runtime Suspend not supported\n"); - return 0; - } - - mutex_lock(&cs35l41->fw_mutex); - - if (cs35l41->firmware_running) { - ret = cs35l41_enter_hibernate(cs35l41->dev, cs35l41->regmap, - cs35l41->hw_cfg.bst_type); - if (ret) - goto err; - } else { - cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type); - } - - regcache_cache_only(cs35l41->regmap, true); - regcache_mark_dirty(cs35l41->regmap); - -err: - mutex_unlock(&cs35l41->fw_mutex); - - return ret; -} - -static int cs35l41_runtime_resume(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - int ret = 0; - - dev_dbg(cs35l41->dev, "Runtime Resume\n"); - - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST_NO_VSPK_SWITCH) { - dev_dbg(cs35l41->dev, "Runtime Resume not supported\n"); - return 0; - } - - mutex_lock(&cs35l41->fw_mutex); - - regcache_cache_only(cs35l41->regmap, false); - - if (cs35l41->firmware_running) { - ret = cs35l41_exit_hibernate(cs35l41->dev, cs35l41->regmap); - if (ret) { - dev_warn(cs35l41->dev, "Unable to exit Hibernate."); - goto err; - } - } - - /* Test key needs to be unlocked to allow the OTP settings to re-apply */ - cs35l41_test_key_unlock(cs35l41->dev, cs35l41->regmap); - ret = regcache_sync(cs35l41->regmap); - cs35l41_test_key_lock(cs35l41->dev, cs35l41->regmap); - if (ret) { - dev_err(cs35l41->dev, "Failed to restore register cache: %d\n", ret); - goto err; - } - - if (cs35l41->hw_cfg.bst_type == CS35L41_EXT_BOOST) - cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, &cs35l41->hw_cfg); - -err: - mutex_unlock(&cs35l41->fw_mutex); - - return ret; -} - -static int cs35l41_smart_amp(struct cs35l41_hda *cs35l41) -{ - __be32 halo_sts; - int ret; - - ret = cs35l41_init_dsp(cs35l41); - if (ret) { - dev_warn(cs35l41->dev, "Cannot Initialize Firmware. Error: %d\n", ret); - goto clean_dsp; - } - - ret = cs35l41_write_fs_errata(cs35l41->dev, cs35l41->regmap); - if (ret) { - dev_err(cs35l41->dev, "Cannot Write FS Errata: %d\n", ret); - goto clean_dsp; - } - - ret = cs_dsp_run(&cs35l41->cs_dsp); - if (ret) { - dev_err(cs35l41->dev, "Fail to start dsp: %d\n", ret); - goto clean_dsp; - } - - ret = read_poll_timeout(hda_cs_dsp_read_ctl, ret, - be32_to_cpu(halo_sts) == HALO_STATE_CODE_RUN, - 1000, 15000, false, &cs35l41->cs_dsp, HALO_STATE_DSP_CTL_NAME, - HALO_STATE_DSP_CTL_TYPE, HALO_STATE_DSP_CTL_ALG, - &halo_sts, sizeof(halo_sts)); - - if (ret) { - dev_err(cs35l41->dev, "Timeout waiting for HALO Core to start. State: %u\n", - halo_sts); - goto clean_dsp; - } - - ret = cs35l41_set_cspl_mbox_cmd(cs35l41->dev, cs35l41->regmap, CSPL_MBOX_CMD_PAUSE); - if (ret) { - dev_err(cs35l41->dev, "Error waiting for DSP to pause: %u\n", ret); - goto clean_dsp; - } - - cs35l41->firmware_running = true; - - return 0; - -clean_dsp: - cs35l41_shutdown_dsp(cs35l41); - return ret; -} - -static void cs35l41_load_firmware(struct cs35l41_hda *cs35l41, bool load) -{ - if (cs35l41->firmware_running && !load) { - dev_dbg(cs35l41->dev, "Unloading Firmware\n"); - cs35l41_shutdown_dsp(cs35l41); - } else if (!cs35l41->firmware_running && load) { - dev_dbg(cs35l41->dev, "Loading Firmware\n"); - cs35l41_smart_amp(cs35l41); - } else { - dev_dbg(cs35l41->dev, "Unable to Load firmware.\n"); - } -} - -static int cs35l41_fw_load_ctl_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol); - - ucontrol->value.integer.value[0] = cs35l41->request_fw_load; - return 0; -} - -static void cs35l41_fw_load_work(struct work_struct *work) -{ - struct cs35l41_hda *cs35l41 = container_of(work, struct cs35l41_hda, fw_load_work); - - pm_runtime_get_sync(cs35l41->dev); - - mutex_lock(&cs35l41->fw_mutex); - - /* Recheck if playback is ongoing, mutex will block playback during firmware loading */ - if (cs35l41->playback_started) - dev_err(cs35l41->dev, "Cannot Load/Unload firmware during Playback. Retrying...\n"); - else - cs35l41_load_firmware(cs35l41, cs35l41->request_fw_load); - - cs35l41->fw_request_ongoing = false; - mutex_unlock(&cs35l41->fw_mutex); - - pm_runtime_mark_last_busy(cs35l41->dev); - pm_runtime_put_autosuspend(cs35l41->dev); -} - -static int cs35l41_fw_load_ctl_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol); - - if (cs35l41->request_fw_load == ucontrol->value.integer.value[0]) - return 0; - - if (cs35l41->fw_request_ongoing) { - dev_dbg(cs35l41->dev, "Existing request not complete\n"); - return -EBUSY; - } - - /* Check if playback is ongoing when initial request is made */ - if (cs35l41->playback_started) { - dev_err(cs35l41->dev, "Cannot Load/Unload firmware during Playback\n"); - return -EBUSY; - } - - cs35l41->fw_request_ongoing = true; - cs35l41->request_fw_load = ucontrol->value.integer.value[0]; - schedule_work(&cs35l41->fw_load_work); - - return 1; -} - -static int cs35l41_fw_type_ctl_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol); - - ucontrol->value.enumerated.item[0] = cs35l41->firmware_type; - - return 0; -} - -static int cs35l41_fw_type_ctl_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct cs35l41_hda *cs35l41 = snd_kcontrol_chip(kcontrol); - - if (ucontrol->value.enumerated.item[0] < HDA_CS_DSP_NUM_FW) { - if (cs35l41->firmware_type != ucontrol->value.enumerated.item[0]) { - cs35l41->firmware_type = ucontrol->value.enumerated.item[0]; - return 1; - } else { - return 0; - } - } - - return -EINVAL; -} - -static int cs35l41_fw_type_ctl_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - return snd_ctl_enum_info(uinfo, 1, ARRAY_SIZE(hda_cs_dsp_fw_ids), hda_cs_dsp_fw_ids); -} - -static int cs35l41_create_controls(struct cs35l41_hda *cs35l41) -{ - char fw_type_ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - char fw_load_ctl_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; - struct snd_kcontrol_new fw_type_ctl = { - .name = fw_type_ctl_name, - .iface = SNDRV_CTL_ELEM_IFACE_CARD, - .info = cs35l41_fw_type_ctl_info, - .get = cs35l41_fw_type_ctl_get, - .put = cs35l41_fw_type_ctl_put, - }; - struct snd_kcontrol_new fw_load_ctl = { - .name = fw_load_ctl_name, - .iface = SNDRV_CTL_ELEM_IFACE_CARD, - .info = snd_ctl_boolean_mono_info, - .get = cs35l41_fw_load_ctl_get, - .put = cs35l41_fw_load_ctl_put, - }; - int ret; - - scnprintf(fw_type_ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s DSP1 Firmware Type", - cs35l41->amp_name); - scnprintf(fw_load_ctl_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s DSP1 Firmware Load", - cs35l41->amp_name); - - ret = snd_ctl_add(cs35l41->codec->card, snd_ctl_new1(&fw_type_ctl, cs35l41)); - if (ret) { - dev_err(cs35l41->dev, "Failed to add KControl %s = %d\n", fw_type_ctl.name, ret); - return ret; - } - - dev_dbg(cs35l41->dev, "Added Control %s\n", fw_type_ctl.name); - - ret = snd_ctl_add(cs35l41->codec->card, snd_ctl_new1(&fw_load_ctl, cs35l41)); - if (ret) { - dev_err(cs35l41->dev, "Failed to add KControl %s = %d\n", fw_load_ctl.name, ret); - return ret; - } - - dev_dbg(cs35l41->dev, "Added Control %s\n", fw_load_ctl.name); - - return 0; -} - -static 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; - unsigned int sleep_flags; - int ret = 0; - - if (!comps || cs35l41->index < 0 || cs35l41->index >= HDA_MAX_COMPONENTS) - return -EINVAL; - - comps = &comps[cs35l41->index]; - if (comps->dev) - return -EBUSY; - - pm_runtime_get_sync(dev); - - mutex_lock(&cs35l41->fw_mutex); - - comps->dev = dev; - if (!cs35l41->acpi_subsystem_id) - cs35l41->acpi_subsystem_id = kasprintf(GFP_KERNEL, "%.8x", - comps->codec->core.subsystem_id); - cs35l41->codec = comps->codec; - strscpy(comps->name, dev_name(dev), sizeof(comps->name)); - - cs35l41->firmware_type = HDA_CS_DSP_FW_SPK_PROT; - - if (firmware_autostart) { - dev_dbg(cs35l41->dev, "Firmware Autostart.\n"); - cs35l41->request_fw_load = true; - if (cs35l41_smart_amp(cs35l41) < 0) - dev_warn(cs35l41->dev, "Cannot Run Firmware, reverting to dsp bypass...\n"); - } else { - dev_dbg(cs35l41->dev, "Firmware Autostart is disabled.\n"); - } - - ret = cs35l41_create_controls(cs35l41); - - comps->playback_hook = cs35l41_hda_playback_hook; - comps->pre_playback_hook = cs35l41_hda_pre_playback_hook; - comps->post_playback_hook = cs35l41_hda_post_playback_hook; - - mutex_unlock(&cs35l41->fw_mutex); - - sleep_flags = lock_system_sleep(); - if (!device_link_add(&comps->codec->core.dev, cs35l41->dev, DL_FLAG_STATELESS)) - dev_warn(dev, "Unable to create device link\n"); - unlock_system_sleep(sleep_flags); - - pm_runtime_mark_last_busy(dev); - pm_runtime_put_autosuspend(dev); - - dev_info(cs35l41->dev, - "CS35L41 Bound - SSID: %s, BST: %d, VSPK: %d, CH: %c, FW EN: %d, SPKID: %d\n", - cs35l41->acpi_subsystem_id, cs35l41->hw_cfg.bst_type, - cs35l41->hw_cfg.gpio1.func == CS35l41_VSPK_SWITCH, - cs35l41->hw_cfg.spk_pos ? 'R' : 'L', - cs35l41->firmware_running, cs35l41->speaker_id); - - return ret; -} - -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; - unsigned int sleep_flags; - - if (comps[cs35l41->index].dev == dev) { - memset(&comps[cs35l41->index], 0, sizeof(*comps)); - sleep_flags = lock_system_sleep(); - device_link_remove(&comps->codec->core.dev, cs35l41->dev); - unlock_system_sleep(sleep_flags); - } -} - -static const struct component_ops cs35l41_hda_comp_ops = { - .bind = cs35l41_hda_bind, - .unbind = cs35l41_hda_unbind, -}; - -static irqreturn_t cs35l41_bst_short_err(int irq, void *data) -{ - struct cs35l41_hda *cs35l41 = data; - - dev_crit_ratelimited(cs35l41->dev, "LBST Error\n"); - set_bit(CS35L41_BST_SHORT_ERR_RLS_SHIFT, &cs35l41->irq_errors); - - return IRQ_HANDLED; -} - -static irqreturn_t cs35l41_bst_dcm_uvp_err(int irq, void *data) -{ - struct cs35l41_hda *cs35l41 = data; - - dev_crit_ratelimited(cs35l41->dev, "DCM VBST Under Voltage Error\n"); - set_bit(CS35L41_BST_UVP_ERR_RLS_SHIFT, &cs35l41->irq_errors); - - return IRQ_HANDLED; -} - -static irqreturn_t cs35l41_bst_ovp_err(int irq, void *data) -{ - struct cs35l41_hda *cs35l41 = data; - - dev_crit_ratelimited(cs35l41->dev, "VBST Over Voltage error\n"); - set_bit(CS35L41_BST_OVP_ERR_RLS_SHIFT, &cs35l41->irq_errors); - - return IRQ_HANDLED; -} - -static irqreturn_t cs35l41_temp_err(int irq, void *data) -{ - struct cs35l41_hda *cs35l41 = data; - - dev_crit_ratelimited(cs35l41->dev, "Over temperature error\n"); - set_bit(CS35L41_TEMP_ERR_RLS_SHIFT, &cs35l41->irq_errors); - - return IRQ_HANDLED; -} - -static irqreturn_t cs35l41_temp_warn(int irq, void *data) -{ - struct cs35l41_hda *cs35l41 = data; - - dev_crit_ratelimited(cs35l41->dev, "Over temperature warning\n"); - set_bit(CS35L41_TEMP_WARN_ERR_RLS_SHIFT, &cs35l41->irq_errors); - - return IRQ_HANDLED; -} - -static irqreturn_t cs35l41_amp_short(int irq, void *data) -{ - struct cs35l41_hda *cs35l41 = data; - - dev_crit_ratelimited(cs35l41->dev, "Amp short error\n"); - set_bit(CS35L41_AMP_SHORT_ERR_RLS_SHIFT, &cs35l41->irq_errors); - - return IRQ_HANDLED; -} - -static const struct cs35l41_irq cs35l41_irqs[] = { - CS35L41_IRQ(BST_OVP_ERR, "Boost Overvoltage Error", cs35l41_bst_ovp_err), - CS35L41_IRQ(BST_DCM_UVP_ERR, "Boost Undervoltage Error", cs35l41_bst_dcm_uvp_err), - CS35L41_IRQ(BST_SHORT_ERR, "Boost Inductor Short Error", cs35l41_bst_short_err), - CS35L41_IRQ(TEMP_WARN, "Temperature Warning", cs35l41_temp_warn), - CS35L41_IRQ(TEMP_ERR, "Temperature Error", cs35l41_temp_err), - CS35L41_IRQ(AMP_SHORT_ERR, "Amp Short", cs35l41_amp_short), -}; - -static const struct regmap_irq cs35l41_reg_irqs[] = { - CS35L41_REG_IRQ(IRQ1_STATUS1, BST_OVP_ERR), - CS35L41_REG_IRQ(IRQ1_STATUS1, BST_DCM_UVP_ERR), - CS35L41_REG_IRQ(IRQ1_STATUS1, BST_SHORT_ERR), - CS35L41_REG_IRQ(IRQ1_STATUS1, TEMP_WARN), - CS35L41_REG_IRQ(IRQ1_STATUS1, TEMP_ERR), - CS35L41_REG_IRQ(IRQ1_STATUS1, AMP_SHORT_ERR), -}; - -static struct regmap_irq_chip cs35l41_regmap_irq_chip = { - .name = "cs35l41 IRQ1 Controller", - .status_base = CS35L41_IRQ1_STATUS1, - .mask_base = CS35L41_IRQ1_MASK1, - .ack_base = CS35L41_IRQ1_STATUS1, - .num_regs = 4, - .irqs = cs35l41_reg_irqs, - .num_irqs = ARRAY_SIZE(cs35l41_reg_irqs), - .runtime_pm = true, -}; - -static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41) -{ - struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg; - bool using_irq = false; - int irq, irq_pol; - int ret; - int i; - - if (!cs35l41->hw_cfg.valid) - return -EINVAL; - - ret = cs35l41_init_boost(cs35l41->dev, cs35l41->regmap, hw_cfg); - if (ret) - return ret; - - if (hw_cfg->gpio1.valid) { - switch (hw_cfg->gpio1.func) { - case CS35L41_NOT_USED: - break; - case CS35l41_VSPK_SWITCH: - hw_cfg->gpio1.func = CS35L41_GPIO1_GPIO; - hw_cfg->gpio1.out_en = true; - break; - case CS35l41_SYNC: - hw_cfg->gpio1.func = CS35L41_GPIO1_MDSYNC; - break; - default: - dev_err(cs35l41->dev, "Invalid function %d for GPIO1\n", - hw_cfg->gpio1.func); - return -EINVAL; - } - } - - if (hw_cfg->gpio2.valid) { - switch (hw_cfg->gpio2.func) { - case CS35L41_NOT_USED: - break; - case CS35L41_INTERRUPT: - using_irq = true; - hw_cfg->gpio2.func = CS35L41_GPIO2_INT_OPEN_DRAIN; - break; - default: - dev_err(cs35l41->dev, "Invalid GPIO2 function %d\n", hw_cfg->gpio2.func); - return -EINVAL; - } - } - - irq_pol = cs35l41_gpio_config(cs35l41->regmap, hw_cfg); - - if (cs35l41->irq && using_irq) { - ret = devm_regmap_add_irq_chip(cs35l41->dev, cs35l41->regmap, cs35l41->irq, - IRQF_ONESHOT | IRQF_SHARED | irq_pol, - 0, &cs35l41_regmap_irq_chip, &cs35l41->irq_data); - if (ret) - return ret; - - for (i = 0; i < ARRAY_SIZE(cs35l41_irqs); i++) { - irq = regmap_irq_get_virq(cs35l41->irq_data, cs35l41_irqs[i].irq); - if (irq < 0) - return irq; - - ret = devm_request_threaded_irq(cs35l41->dev, irq, NULL, - cs35l41_irqs[i].handler, - IRQF_ONESHOT | IRQF_SHARED | irq_pol, - cs35l41_irqs[i].name, cs35l41); - if (ret) - return ret; - } - } - - return cs35l41_hda_channel_map(cs35l41->dev, 0, NULL, 1, &hw_cfg->spk_pos); -} - -int cs35l41_get_speaker_id(struct device *dev, int amp_index, int num_amps, int fixed_gpio_id) -{ - struct gpio_desc *speaker_id_desc; - int speaker_id = -ENODEV; - - if (fixed_gpio_id >= 0) { - dev_dbg(dev, "Found Fixed Speaker ID GPIO (index = %d)\n", fixed_gpio_id); - speaker_id_desc = gpiod_get_index(dev, NULL, fixed_gpio_id, GPIOD_IN); - if (IS_ERR(speaker_id_desc)) { - speaker_id = PTR_ERR(speaker_id_desc); - return speaker_id; - } - speaker_id = gpiod_get_value_cansleep(speaker_id_desc); - gpiod_put(speaker_id_desc); - dev_dbg(dev, "Speaker ID = %d\n", speaker_id); - } else { - int base_index; - int gpios_per_amp; - int count; - int tmp; - int i; - - count = gpiod_count(dev, "spk-id"); - if (count > 0) { - speaker_id = 0; - gpios_per_amp = count / num_amps; - base_index = gpios_per_amp * amp_index; - - if (count % num_amps) - return -EINVAL; - - dev_dbg(dev, "Found %d Speaker ID GPIOs per Amp\n", gpios_per_amp); - - for (i = 0; i < gpios_per_amp; i++) { - speaker_id_desc = gpiod_get_index(dev, "spk-id", i + base_index, - GPIOD_IN); - if (IS_ERR(speaker_id_desc)) { - speaker_id = PTR_ERR(speaker_id_desc); - break; - } - tmp = gpiod_get_value_cansleep(speaker_id_desc); - gpiod_put(speaker_id_desc); - if (tmp < 0) { - speaker_id = tmp; - break; - } - speaker_id |= tmp << i; - } - dev_dbg(dev, "Speaker ID = %d\n", speaker_id); - } - } - return speaker_id; -} - -static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, int id) -{ - struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg; - u32 values[HDA_MAX_COMPONENTS]; - struct acpi_device *adev; - struct device *physdev; - const char *sub; - 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 -ENODEV; - } - - physdev = get_device(acpi_get_first_physical_node(adev)); - acpi_dev_put(adev); - - sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev)); - if (IS_ERR(sub)) - sub = NULL; - cs35l41->acpi_subsystem_id = sub; - - ret = cs35l41_add_dsd_properties(cs35l41, physdev, id, hid); - if (!ret) { - dev_info(cs35l41->dev, "Using extra _DSD properties, bypassing _DSD in ACPI\n"); - goto put_physdev; - } - - property = "cirrus,dev-index"; - ret = device_property_count_u32(physdev, property); - if (ret <= 0) - goto err; - - if (ret > ARRAY_SIZE(values)) { - ret = -EINVAL; - goto err; - } - nval = ret; - - ret = device_property_read_u32_array(physdev, 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; - } - - /* To use the same release code for all laptop variants we can't use devm_ version of - * gpiod_get here, as CLSA010* don't have a fully functional bios with an _DSD node - */ - cs35l41->reset_gpio = fwnode_gpiod_get_index(acpi_fwnode_handle(adev), "reset", cs35l41->index, - GPIOD_OUT_LOW, "cs35l41-reset"); - - property = "cirrus,speaker-position"; - ret = device_property_read_u32_array(physdev, property, values, nval); - if (ret) - goto err; - hw_cfg->spk_pos = values[cs35l41->index]; - - cs35l41->channel_index = 0; - for (i = 0; i < cs35l41->index; i++) - if (values[i] == hw_cfg->spk_pos) - cs35l41->channel_index++; - - property = "cirrus,gpio1-func"; - ret = device_property_read_u32_array(physdev, property, values, nval); - if (ret) - goto err; - hw_cfg->gpio1.func = values[cs35l41->index]; - hw_cfg->gpio1.valid = true; - - property = "cirrus,gpio2-func"; - ret = device_property_read_u32_array(physdev, property, values, nval); - if (ret) - goto err; - hw_cfg->gpio2.func = values[cs35l41->index]; - hw_cfg->gpio2.valid = true; - - property = "cirrus,boost-peak-milliamp"; - ret = device_property_read_u32_array(physdev, property, values, nval); - if (ret == 0) - hw_cfg->bst_ipk = values[cs35l41->index]; - else - hw_cfg->bst_ipk = -1; - - property = "cirrus,boost-ind-nanohenry"; - ret = device_property_read_u32_array(physdev, property, values, nval); - if (ret == 0) - hw_cfg->bst_ind = values[cs35l41->index]; - else - hw_cfg->bst_ind = -1; - - property = "cirrus,boost-cap-microfarad"; - ret = device_property_read_u32_array(physdev, property, values, nval); - if (ret == 0) - hw_cfg->bst_cap = values[cs35l41->index]; - else - hw_cfg->bst_cap = -1; - - cs35l41->speaker_id = cs35l41_get_speaker_id(physdev, cs35l41->index, nval, -1); - - if (hw_cfg->bst_ind > 0 || hw_cfg->bst_cap > 0 || hw_cfg->bst_ipk > 0) - hw_cfg->bst_type = CS35L41_INT_BOOST; - else - hw_cfg->bst_type = CS35L41_EXT_BOOST; - - hw_cfg->valid = true; - put_device(physdev); - - return 0; - -err: - dev_err(cs35l41->dev, "Failed property %s: %d\n", property, ret); - hw_cfg->valid = false; - hw_cfg->gpio1.valid = false; - hw_cfg->gpio2.valid = false; -put_physdev: - put_device(physdev); - - return ret; -} - -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 *cs35l41; - int ret; - - BUILD_BUG_ON(ARRAY_SIZE(cs35l41_irqs) != ARRAY_SIZE(cs35l41_reg_irqs)); - BUILD_BUG_ON(ARRAY_SIZE(cs35l41_irqs) != CS35L41_NUM_IRQ); - - 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); - - ret = cs35l41_hda_read_acpi(cs35l41, device_name, id); - if (ret) - return dev_err_probe(cs35l41->dev, ret, "Platform not supported\n"); - - 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 { - dev_err_probe(cs35l41->dev, ret, "Failed to get reset GPIO\n"); - 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 status %x error: %d\n", - int_sts & CS35L41_OTP_BOOT_ERR, ret); - ret = -EIO; - goto err; - } - - ret = regmap_read(cs35l41->regmap, CS35L41_DEVID, ®id); - if (ret) { - dev_err(cs35l41->dev, "Get Device ID failed: %d\n", ret); - goto err; - } - - ret = regmap_read(cs35l41->regmap, CS35L41_REVID, ®_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_test_key_unlock(cs35l41->dev, cs35l41->regmap); - if (ret) - 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_test_key_lock(cs35l41->dev, cs35l41->regmap); - if (ret) - goto err; - - ret = regmap_multi_reg_write(cs35l41->regmap, cs35l41_hda_mute, - ARRAY_SIZE(cs35l41_hda_mute)); - if (ret) - goto err; - - INIT_WORK(&cs35l41->fw_load_work, cs35l41_fw_load_work); - mutex_init(&cs35l41->fw_mutex); - - pm_runtime_set_autosuspend_delay(cs35l41->dev, 3000); - pm_runtime_use_autosuspend(cs35l41->dev); - pm_runtime_mark_last_busy(cs35l41->dev); - pm_runtime_set_active(cs35l41->dev); - pm_runtime_get_noresume(cs35l41->dev); - pm_runtime_enable(cs35l41->dev); - - ret = cs35l41_hda_apply_properties(cs35l41); - if (ret) - goto err_pm; - - pm_runtime_put_autosuspend(cs35l41->dev); - - ret = component_add(cs35l41->dev, &cs35l41_hda_comp_ops); - if (ret) { - dev_err(cs35l41->dev, "Register component failed: %d\n", ret); - pm_runtime_disable(cs35l41->dev); - goto err; - } - - dev_info(cs35l41->dev, "Cirrus Logic CS35L41 (%x), Revision: %02X\n", regid, reg_revid); - - return 0; - -err_pm: - pm_runtime_disable(cs35l41->dev); - pm_runtime_put_noidle(cs35l41->dev); - -err: - if (cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type)) - gpiod_set_value_cansleep(cs35l41->reset_gpio, 0); - gpiod_put(cs35l41->reset_gpio); - kfree(cs35l41->acpi_subsystem_id); - - return ret; -} -EXPORT_SYMBOL_NS_GPL(cs35l41_hda_probe, SND_HDA_SCODEC_CS35L41); - -void cs35l41_hda_remove(struct device *dev) -{ - struct cs35l41_hda *cs35l41 = dev_get_drvdata(dev); - - pm_runtime_get_sync(cs35l41->dev); - pm_runtime_disable(cs35l41->dev); - - if (cs35l41->halo_initialized) - cs35l41_remove_dsp(cs35l41); - - component_del(cs35l41->dev, &cs35l41_hda_comp_ops); - - pm_runtime_put_noidle(cs35l41->dev); - - if (cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type)) - gpiod_set_value_cansleep(cs35l41->reset_gpio, 0); - gpiod_put(cs35l41->reset_gpio); - kfree(cs35l41->acpi_subsystem_id); -} -EXPORT_SYMBOL_NS_GPL(cs35l41_hda_remove, SND_HDA_SCODEC_CS35L41); - -const struct dev_pm_ops cs35l41_hda_pm_ops = { - RUNTIME_PM_OPS(cs35l41_runtime_suspend, cs35l41_runtime_resume, - cs35l41_runtime_idle) - .prepare = cs35l41_system_suspend_prep, - SYSTEM_SLEEP_PM_OPS(cs35l41_system_suspend, cs35l41_system_resume) -}; -EXPORT_SYMBOL_NS_GPL(cs35l41_hda_pm_ops, SND_HDA_SCODEC_CS35L41); - -MODULE_DESCRIPTION("CS35L41 HDA Driver"); -MODULE_IMPORT_NS(SND_HDA_CS_DSP_CONTROLS); -MODULE_AUTHOR("Lucas Tanure, Cirrus Logic Inc, <tanureal@opensource.cirrus.com>"); -MODULE_LICENSE("GPL"); -MODULE_IMPORT_NS(FW_CS_DSP); |