From: Vitaly Rodionov <vitalyr@opensource.cirrus.com> To: Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Mark Brown <broonie@kernel.org> Cc: <alsa-devel@alsa-project.org>, <patches@opensource.cirrus.com>, <linux-kernel@vger.kernel.org>, Stefan Binding <sbinding@opensource.cirrus.com> Subject: [PATCH v4 13/17] ALSA: hda: cs35l41: Read Speaker Calibration data from UEFI variables Date: Wed, 25 May 2022 14:16:34 +0100 [thread overview] Message-ID: <20220525131638.5512-14-vitalyr@opensource.cirrus.com> (raw) In-Reply-To: <20220525131638.5512-1-vitalyr@opensource.cirrus.com> From: Stefan Binding <sbinding@opensource.cirrus.com> Speaker Calibration data, specific to an individual speaker is stored inside UEFI variables during calibration, and can be used by the DSP. Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com> Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com> --- Changes since v2: - Fixed building without CONFIG_EFI Changes since v3: - Apply all 4 calibration parameters after fw download sound/pci/hda/cs35l41_hda.c | 63 +++++++++++++++++++++++++++++++++++++ sound/pci/hda/cs35l41_hda.h | 15 +++++++++ 2 files changed, 78 insertions(+) diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 9c622104bf01..b4087d548646 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -26,6 +26,12 @@ #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 const struct reg_sequence cs35l41_hda_config[] = { { CS35L41_PLL_CLK_CTRL, 0x00000430 }, // 3072000Hz, BCLK Input, PLL_REFCLK_EN = 1 @@ -282,6 +288,96 @@ static int cs35l41_request_firmware_files(struct cs35l41_hda *cs35l41, return ret; } +#if IS_ENABLED(CONFIG_EFI) +static int cs35l41_apply_calibration(struct cs35l41_hda *cs35l41, unsigned int ambient, + unsigned int r0, unsigned int status, unsigned int 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; @@ -314,7 +410,12 @@ static int cs35l41_init_dsp(struct cs35l41_hda *cs35l41) ret = cs_dsp_power_up(dsp, wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename, FW_NAME); + if (ret) + goto err_release; + + ret = cs35l41_save_calibration(cs35l41); +err_release: if (wmfw_firmware) release_firmware(wmfw_firmware); if (coeff_firmware) diff --git a/sound/pci/hda/cs35l41_hda.h b/sound/pci/hda/cs35l41_hda.h index 54521a013e78..3cf9871fbed2 100644 --- a/sound/pci/hda/cs35l41_hda.h +++ b/sound/pci/hda/cs35l41_hda.h @@ -10,6 +10,7 @@ #ifndef __CS35L41_HDA_H__ #define __CS35L41_HDA_H__ +#include <linux/efi.h> #include <linux/regulator/consumer.h> #include <linux/gpio/consumer.h> #include <linux/device.h> @@ -18,6 +19,20 @@ #include <linux/firmware/cirrus/cs_dsp.h> #include <linux/firmware/cirrus/wmfw.h> +struct cs35l41_amp_cal_data { + u32 calTarget[2]; + u32 calTime[2]; + s8 calAmbient; + u8 calStatus; + u16 calR; +} __packed; + +struct cs35l41_amp_efi_data { + u32 size; + u32 count; + struct cs35l41_amp_cal_data data[]; +} __packed; + enum cs35l41_hda_spk_pos { CS35l41_LEFT, CS35l41_RIGHT, -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Vitaly Rodionov <vitalyr@opensource.cirrus.com> To: Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Mark Brown <broonie@kernel.org> Cc: patches@opensource.cirrus.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Stefan Binding <sbinding@opensource.cirrus.com> Subject: [PATCH v4 13/17] ALSA: hda: cs35l41: Read Speaker Calibration data from UEFI variables Date: Wed, 25 May 2022 14:16:34 +0100 [thread overview] Message-ID: <20220525131638.5512-14-vitalyr@opensource.cirrus.com> (raw) In-Reply-To: <20220525131638.5512-1-vitalyr@opensource.cirrus.com> From: Stefan Binding <sbinding@opensource.cirrus.com> Speaker Calibration data, specific to an individual speaker is stored inside UEFI variables during calibration, and can be used by the DSP. Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com> Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com> --- Changes since v2: - Fixed building without CONFIG_EFI Changes since v3: - Apply all 4 calibration parameters after fw download sound/pci/hda/cs35l41_hda.c | 63 +++++++++++++++++++++++++++++++++++++ sound/pci/hda/cs35l41_hda.h | 15 +++++++++ 2 files changed, 78 insertions(+) diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c index 9c622104bf01..b4087d548646 100644 --- a/sound/pci/hda/cs35l41_hda.c +++ b/sound/pci/hda/cs35l41_hda.c @@ -26,6 +26,12 @@ #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 const struct reg_sequence cs35l41_hda_config[] = { { CS35L41_PLL_CLK_CTRL, 0x00000430 }, // 3072000Hz, BCLK Input, PLL_REFCLK_EN = 1 @@ -282,6 +288,96 @@ static int cs35l41_request_firmware_files(struct cs35l41_hda *cs35l41, return ret; } +#if IS_ENABLED(CONFIG_EFI) +static int cs35l41_apply_calibration(struct cs35l41_hda *cs35l41, unsigned int ambient, + unsigned int r0, unsigned int status, unsigned int 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; @@ -314,7 +410,12 @@ static int cs35l41_init_dsp(struct cs35l41_hda *cs35l41) ret = cs_dsp_power_up(dsp, wmfw_firmware, wmfw_filename, coeff_firmware, coeff_filename, FW_NAME); + if (ret) + goto err_release; + + ret = cs35l41_save_calibration(cs35l41); +err_release: if (wmfw_firmware) release_firmware(wmfw_firmware); if (coeff_firmware) diff --git a/sound/pci/hda/cs35l41_hda.h b/sound/pci/hda/cs35l41_hda.h index 54521a013e78..3cf9871fbed2 100644 --- a/sound/pci/hda/cs35l41_hda.h +++ b/sound/pci/hda/cs35l41_hda.h @@ -10,6 +10,7 @@ #ifndef __CS35L41_HDA_H__ #define __CS35L41_HDA_H__ +#include <linux/efi.h> #include <linux/regulator/consumer.h> #include <linux/gpio/consumer.h> #include <linux/device.h> @@ -18,6 +19,20 @@ #include <linux/firmware/cirrus/cs_dsp.h> #include <linux/firmware/cirrus/wmfw.h> +struct cs35l41_amp_cal_data { + u32 calTarget[2]; + u32 calTime[2]; + s8 calAmbient; + u8 calStatus; + u16 calR; +} __packed; + +struct cs35l41_amp_efi_data { + u32 size; + u32 count; + struct cs35l41_amp_cal_data data[]; +} __packed; + enum cs35l41_hda_spk_pos { CS35l41_LEFT, CS35l41_RIGHT, -- 2.34.1
next prev parent reply other threads:[~2022-05-25 13:18 UTC|newest] Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-25 13:16 [PATCH v4 00/17] ALSA: hda: cirrus: Add initial DSP support and firmware loading Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 01/17] ALSA: hda: hda_cs_dsp_ctl: Add Library to support CS_DSP ALSA controls Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-26 9:30 ` Charles Keepax 2022-05-26 9:30 ` Charles Keepax 2022-05-25 13:16 ` [PATCH v4 02/17] ALSA: hda: hda_cs_dsp_ctl: Add apis to write the controls directly Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-26 9:36 ` Charles Keepax 2022-05-26 9:36 ` Charles Keepax 2022-05-25 13:16 ` [PATCH v4 03/17] ALSA: hda: cs35l41: Save codec object inside component struct Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 04/17] ALSA: hda: cs35l41: Add initial DSP support and firmware loading Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 05/17] ALSA: hda: cs35l41: Save Subsystem ID inside CS35L41 Driver Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 06/17] ALSA: hda: cs35l41: Support reading subsystem id from ACPI Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 07/17] ALSA: hda: cs35l41: Support multiple load paths for firmware Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 08/17] ALSA: hda: cs35l41: Support Speaker ID for laptops Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 09/17] ASoC: cs35l41: Move cs35l41 exit hibernate function into shared code Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 10/17] ASoC: cs35l41: Do not print error when waking from hibernation Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-26 9:08 ` Charles Keepax 2022-05-26 9:08 ` Charles Keepax 2022-05-25 13:16 ` [PATCH v4 11/17] ASoC: cs35l41: Add common cs35l41 enter hibernate function Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 12/17] ALSA: hda: cs35l41: Support Hibernation during Suspend Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov [this message] 2022-05-25 13:16 ` [PATCH v4 13/17] ALSA: hda: cs35l41: Read Speaker Calibration data from UEFI variables Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 14/17] ALSA: hda: hda_cs_dsp_ctl: Add fw id strings Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 15/17] ALSA: hda: cs35l41: Add defaulted values into dsp bypass config sequence Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-25 13:16 ` [PATCH v4 16/17] ALSA: hda: cs35l41: Support Firmware switching and reloading Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-30 11:31 ` Jaroslav Kysela 2022-05-30 11:31 ` Jaroslav Kysela 2022-05-25 13:16 ` [PATCH v4 17/17] ALSA: hda: cs35l41: Add module parameter to control firmware load Vitaly Rodionov 2022-05-25 13:16 ` Vitaly Rodionov 2022-05-27 16:13 ` [PATCH v4 00/17] ALSA: hda: cirrus: Add initial DSP support and firmware loading Takashi Iwai 2022-05-27 16:13 ` Takashi Iwai 2022-05-30 9:08 ` Charles Keepax 2022-05-30 9:08 ` Charles Keepax 2022-05-30 9:18 ` Takashi Iwai 2022-05-30 9:18 ` Takashi Iwai 2022-05-30 9:36 ` Charles Keepax 2022-05-30 9:36 ` Charles Keepax 2022-05-30 10:14 ` Takashi Iwai 2022-05-30 10:14 ` Takashi Iwai 2022-05-30 10:34 ` Charles Keepax 2022-05-30 10:34 ` Charles Keepax 2022-05-30 10:45 ` Takashi Iwai 2022-05-30 10:45 ` Takashi Iwai 2022-05-30 10:53 ` Charles Keepax 2022-05-30 10:53 ` Charles Keepax 2022-05-30 11:07 ` Takashi Iwai 2022-05-30 11:07 ` Takashi Iwai 2022-05-30 11:40 ` Jaroslav Kysela 2022-05-30 11:40 ` Jaroslav Kysela 2022-06-01 16:43 ` Richard Fitzgerald 2022-06-01 16:43 ` Richard Fitzgerald 2022-06-01 19:13 ` Takashi Iwai 2022-06-01 19:13 ` Takashi Iwai 2022-06-07 10:55 ` (subset) " Mark Brown 2022-06-07 10:55 ` Mark Brown
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20220525131638.5512-14-vitalyr@opensource.cirrus.com \ --to=vitalyr@opensource.cirrus.com \ --cc=alsa-devel@alsa-project.org \ --cc=broonie@kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=patches@opensource.cirrus.com \ --cc=perex@perex.cz \ --cc=sbinding@opensource.cirrus.com \ --cc=tiwai@suse.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.