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-rw-r--r--sound/soc/amd/renoir/rn-pci-acp3x.c29
-rw-r--r--sound/soc/amd/renoir/rn_acp3x.h2
-rw-r--r--sound/soc/fsl/fsl_asrc.c57
-rw-r--r--sound/soc/fsl/fsl_ssi.c70
-rw-r--r--sound/soc/soc-ac97.c2
-rw-r--r--sound/soc/ti/j721e-evm.c2
6 files changed, 117 insertions, 45 deletions
diff --git a/sound/soc/amd/renoir/rn-pci-acp3x.c b/sound/soc/amd/renoir/rn-pci-acp3x.c
index 859ed67b93cf..d1faea545f45 100644
--- a/sound/soc/amd/renoir/rn-pci-acp3x.c
+++ b/sound/soc/amd/renoir/rn-pci-acp3x.c
@@ -5,6 +5,7 @@
//Copyright 2020 Advanced Micro Devices, Inc.
#include <linux/pci.h>
+#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/delay.h>
@@ -18,6 +19,16 @@ static int acp_power_gating;
module_param(acp_power_gating, int, 0644);
MODULE_PARM_DESC(acp_power_gating, "Enable acp power gating");
+/**
+ * dmic_acpi_check = -1 - Checks ACPI method to know DMIC hardware status runtime
+ * = 0 - Skips the DMIC device creation and returns probe failure
+ * = 1 - Assumes that platform has DMIC support and skips ACPI
+ * method check
+ */
+static int dmic_acpi_check = ACP_DMIC_AUTO;
+module_param(dmic_acpi_check, bint, 0644);
+MODULE_PARM_DESC(dmic_acpi_check, "checks Dmic hardware runtime");
+
struct acp_dev_data {
void __iomem *acp_base;
struct resource *res;
@@ -157,6 +168,8 @@ static int snd_rn_acp_probe(struct pci_dev *pci,
{
struct acp_dev_data *adata;
struct platform_device_info pdevinfo[ACP_DEVS];
+ acpi_handle handle;
+ acpi_integer dmic_status;
unsigned int irqflags;
int ret, index;
u32 addr;
@@ -201,6 +214,22 @@ static int snd_rn_acp_probe(struct pci_dev *pci,
if (ret)
goto disable_msi;
+ if (!dmic_acpi_check) {
+ ret = -ENODEV;
+ goto de_init;
+ } else if (dmic_acpi_check == ACP_DMIC_AUTO) {
+ handle = ACPI_HANDLE(&pci->dev);
+ ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status);
+ if (ACPI_FAILURE(ret)) {
+ ret = -EINVAL;
+ goto de_init;
+ }
+ if (!dmic_status) {
+ ret = -ENODEV;
+ goto de_init;
+ }
+ }
+
adata->res = devm_kzalloc(&pci->dev,
sizeof(struct resource) * 2,
GFP_KERNEL);
diff --git a/sound/soc/amd/renoir/rn_acp3x.h b/sound/soc/amd/renoir/rn_acp3x.h
index 75228e306e0b..14620399d766 100644
--- a/sound/soc/amd/renoir/rn_acp3x.h
+++ b/sound/soc/amd/renoir/rn_acp3x.h
@@ -55,6 +55,8 @@
#define MAX_BUFFER (CAPTURE_MAX_PERIOD_SIZE * CAPTURE_MAX_NUM_PERIODS)
#define MIN_BUFFER MAX_BUFFER
+#define ACP_DMIC_AUTO -1
+
struct pdm_dev_data {
u32 pdm_irq;
void __iomem *acp_base;
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 462ce9f9ab48..02c81d2e34ad 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -37,7 +37,7 @@ static struct snd_pcm_hw_constraint_list fsl_asrc_rate_constraints = {
.list = supported_asrc_rate,
};
-/**
+/*
* The following tables map the relationship between asrc_inclk/asrc_outclk in
* fsl_asrc.h and the registers of ASRCSR
*/
@@ -68,7 +68,7 @@ static unsigned char output_clk_map_imx53[ASRC_CLK_MAP_LEN] = {
0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7, 0x7,
};
-/**
+/*
* i.MX8QM/i.MX8QXP uses the same map for input and output.
* clk_map_imx8qm[0] is for i.MX8QM asrc0
* clk_map_imx8qm[1] is for i.MX8QM asrc1
@@ -102,16 +102,17 @@ static unsigned char clk_map_imx8qxp[2][ASRC_CLK_MAP_LEN] = {
};
/**
- * Select the pre-processing and post-processing options
+ * fsl_asrc_sel_proc - Select the pre-processing and post-processing options
+ * @inrate: input sample rate
+ * @outrate: output sample rate
+ * @pre_proc: return value for pre-processing option
+ * @post_proc: return value for post-processing option
+ *
* Make sure to exclude following unsupported cases before
* calling this function:
* 1) inrate > 8.125 * outrate
* 2) inrate > 16.125 * outrate
*
- * inrate: input sample rate
- * outrate: output sample rate
- * pre_proc: return value for pre-processing option
- * post_proc: return value for post-processing option
*/
static void fsl_asrc_sel_proc(int inrate, int outrate,
int *pre_proc, int *post_proc)
@@ -148,7 +149,9 @@ static void fsl_asrc_sel_proc(int inrate, int outrate,
}
/**
- * Request ASRC pair
+ * fsl_asrc_request_pair - Request ASRC pair
+ * @channels: number of channels
+ * @pair: pointer to pair
*
* It assigns pair by the order of A->C->B because allocation of pair B,
* within range [ANCA, ANCA+ANCB-1], depends on the channels of pair A
@@ -193,7 +196,8 @@ static int fsl_asrc_request_pair(int channels, struct fsl_asrc_pair *pair)
}
/**
- * Release ASRC pair
+ * fsl_asrc_release_pair - Release ASRC pair
+ * @pair: pair to release
*
* It clears the resource from asrc and releases the occupied channels.
*/
@@ -217,7 +221,10 @@ static void fsl_asrc_release_pair(struct fsl_asrc_pair *pair)
}
/**
- * Configure input and output thresholds
+ * fsl_asrc_set_watermarks- configure input and output thresholds
+ * @pair: pointer to pair
+ * @in: input threshold
+ * @out: output threshold
*/
static void fsl_asrc_set_watermarks(struct fsl_asrc_pair *pair, u32 in, u32 out)
{
@@ -234,7 +241,9 @@ static void fsl_asrc_set_watermarks(struct fsl_asrc_pair *pair, u32 in, u32 out)
}
/**
- * Calculate the total divisor between asrck clock rate and sample rate
+ * fsl_asrc_cal_asrck_divisor - Calculate the total divisor between asrck clock rate and sample rate
+ * @pair: pointer to pair
+ * @div: divider
*
* It follows the formula clk_rate = samplerate * (2 ^ prescaler) * divider
*/
@@ -250,7 +259,10 @@ static u32 fsl_asrc_cal_asrck_divisor(struct fsl_asrc_pair *pair, u32 div)
}
/**
- * Calculate and set the ratio for Ideal Ratio mode only
+ * fsl_asrc_set_ideal_ratio - Calculate and set the ratio for Ideal Ratio mode only
+ * @pair: pointer to pair
+ * @inrate: input rate
+ * @outrate: output rate
*
* The ratio is a 32-bit fixed point value with 26 fractional bits.
*/
@@ -293,7 +305,9 @@ static int fsl_asrc_set_ideal_ratio(struct fsl_asrc_pair *pair,
}
/**
- * Configure the assigned ASRC pair
+ * fsl_asrc_config_pair - Configure the assigned ASRC pair
+ * @pair: pointer to pair
+ * @use_ideal_rate: boolean configuration
*
* It configures those ASRC registers according to a configuration instance
* of struct asrc_config which includes in/output sample rate, width, channel
@@ -508,7 +522,8 @@ static int fsl_asrc_config_pair(struct fsl_asrc_pair *pair, bool use_ideal_rate)
}
/**
- * Start the assigned ASRC pair
+ * fsl_asrc_start_pair - Start the assigned ASRC pair
+ * @pair: pointer to pair
*
* It enables the assigned pair and makes it stopped at the stall level.
*/
@@ -539,7 +554,8 @@ static void fsl_asrc_start_pair(struct fsl_asrc_pair *pair)
}
/**
- * Stop the assigned ASRC pair
+ * fsl_asrc_stop_pair - Stop the assigned ASRC pair
+ * @pair: pointer to pair
*/
static void fsl_asrc_stop_pair(struct fsl_asrc_pair *pair)
{
@@ -552,7 +568,9 @@ static void fsl_asrc_stop_pair(struct fsl_asrc_pair *pair)
}
/**
- * Get DMA channel according to the pair and direction.
+ * fsl_asrc_get_dma_channel- Get DMA channel according to the pair and direction.
+ * @pair: pointer to pair
+ * @dir: DMA direction
*/
static struct dma_chan *fsl_asrc_get_dma_channel(struct fsl_asrc_pair *pair,
bool dir)
@@ -896,7 +914,8 @@ static const struct regmap_config fsl_asrc_regmap_config = {
};
/**
- * Initialize ASRC registers with a default configurations
+ * fsl_asrc_init - Initialize ASRC registers with a default configuration
+ * @asrc: ASRC context
*/
static int fsl_asrc_init(struct fsl_asrc *asrc)
{
@@ -930,7 +949,9 @@ static int fsl_asrc_init(struct fsl_asrc *asrc)
}
/**
- * Interrupt handler for ASRC
+ * fsl_asrc_isr- Interrupt handler for ASRC
+ * @irq: irq number
+ * @dev_id: ASRC context
*/
static irqreturn_t fsl_asrc_isr(int irq, void *dev_id)
{
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 1a2fa7f18142..7ec80b240563 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -203,12 +203,10 @@ struct fsl_ssi_soc_data {
};
/**
- * fsl_ssi: per-SSI private data
- *
+ * struct fsl_ssi - per-SSI private data
* @regs: Pointer to the regmap registers
* @irq: IRQ of this SSI
* @cpu_dai_drv: CPU DAI driver for this device
- *
* @dai_fmt: DAI configuration this device is currently used with
* @streams: Mask of current active streams: BIT(TX) and BIT(RX)
* @i2s_net: I2S and Network mode configurations of SCR register
@@ -221,38 +219,29 @@ struct fsl_ssi_soc_data {
* @slot_width: Width of each DAI slot
* @slots: Number of slots
* @regvals: Specific RX/TX register settings
- *
* @clk: Clock source to access register
* @baudclk: Clock source to generate bit and frame-sync clocks
* @baudclk_streams: Active streams that are using baudclk
- *
* @regcache_sfcsr: Cache sfcsr register value during suspend and resume
* @regcache_sacnt: Cache sacnt register value during suspend and resume
- *
* @dma_params_tx: DMA transmit parameters
* @dma_params_rx: DMA receive parameters
* @ssi_phys: physical address of the SSI registers
- *
* @fiq_params: FIQ stream filtering parameters
- *
* @card_pdev: Platform_device pointer to register a sound card for PowerPC or
* to register a CODEC platform device for AC97
* @card_name: Platform_device name to register a sound card for PowerPC or
* to register a CODEC platform device for AC97
* @card_idx: The index of SSI to register a sound card for PowerPC or
* to register a CODEC platform device for AC97
- *
* @dbg_stats: Debugging statistics
- *
* @soc: SoC specific data
* @dev: Pointer to &pdev->dev
- *
* @fifo_watermark: The FIFO watermark setting. Notifies DMA when there are
* @fifo_watermark or fewer words in TX fifo or
* @fifo_watermark or more empty words in RX fifo.
* @dma_maxburst: Max number of words to transfer in one go. So far,
* this is always the same as fifo_watermark.
- *
* @ac97_reg_lock: Mutex lock to serialize AC97 register access operations
*/
struct fsl_ssi {
@@ -374,7 +363,9 @@ static bool fsl_ssi_is_i2s_cbm_cfs(struct fsl_ssi *ssi)
}
/**
- * Interrupt handler to gather states
+ * fsl_ssi_irq - Interrupt handler to gather states
+ * @irq: irq number
+ * @dev_id: context
*/
static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
{
@@ -395,7 +386,10 @@ static irqreturn_t fsl_ssi_isr(int irq, void *dev_id)
}
/**
- * Set SCR, SIER, STCR and SRCR registers with cached values in regvals
+ * fsl_ssi_config_enable - Set SCR, SIER, STCR and SRCR registers with
+ * cached values in regvals
+ * @ssi: SSI context
+ * @tx: direction
*
* Notes:
* 1) For offline_config SoCs, enable all necessary bits of both streams
@@ -474,7 +468,7 @@ enable_scr:
ssi->streams |= BIT(dir);
}
-/**
+/*
* Exclude bits that are used by the opposite stream
*
* When both streams are active, disabling some bits for the current stream
@@ -495,7 +489,10 @@ enable_scr:
((vals) & _ssi_xor_shared_bits(vals, avals, aactive))
/**
- * Unset SCR, SIER, STCR and SRCR registers with cached values in regvals
+ * fsl_ssi_config_disable - Unset SCR, SIER, STCR and SRCR registers
+ * with cached values in regvals
+ * @ssi: SSI context
+ * @tx: direction
*
* Notes:
* 1) For offline_config SoCs, to avoid online reconfigurations, disable all
@@ -577,7 +574,9 @@ static void fsl_ssi_tx_ac97_saccst_setup(struct fsl_ssi *ssi)
}
/**
- * Cache critical bits of SIER, SRCR, STCR and SCR to later set them safely
+ * fsl_ssi_setup_regvals - Cache critical bits of SIER, SRCR, STCR and
+ * SCR to later set them safely
+ * @ssi: SSI context
*/
static void fsl_ssi_setup_regvals(struct fsl_ssi *ssi)
{
@@ -661,9 +660,12 @@ static void fsl_ssi_shutdown(struct snd_pcm_substream *substream,
}
/**
- * Configure Digital Audio Interface bit clock
+ * fsl_ssi_set_bclk - Configure Digital Audio Interface bit clock
+ * @substream: ASoC substream
+ * @dai: pointer to DAI
+ * @hw_params: pointers to hw_params
*
- * Note: This function can be only called when using SSI as DAI master
+ * Notes: This function can be only called when using SSI as DAI master
*
* Quick instruction for parameters:
* freq: Output BCLK frequency = samplerate * slots * slot_width
@@ -782,7 +784,10 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream,
}
/**
- * Configure SSI based on PCM hardware parameters
+ * fsl_ssi_hw_params - Configure SSI based on PCM hardware parameters
+ * @substream: ASoC substream
+ * @hw_params: pointers to hw_params
+ * @dai: pointer to DAI
*
* Notes:
* 1) SxCCR.WL bits are critical bits that require SSI to be temporarily
@@ -997,7 +1002,9 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt)
}
/**
- * Configure Digital Audio Interface (DAI) Format
+ * fsl_ssi_set_dai_fmt - Configure Digital Audio Interface (DAI) Format
+ * @dai: pointer to DAI
+ * @fmt: format mask
*/
static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
@@ -1011,7 +1018,12 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
}
/**
- * Set TDM slot number and slot width
+ * fsl_ssi_set_dai_tdm_slot - Set TDM slot number and slot width
+ * @dai: pointer to DAI
+ * @tx_mask: mask for TX
+ * @rx_mask: mask for RX
+ * @slots: number of slots
+ * @slot_width: number of bits per slot
*/
static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask,
u32 rx_mask, int slots, int slot_width)
@@ -1055,7 +1067,10 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask,
}
/**
- * Start or stop SSI and corresponding DMA transaction.
+ * fsl_ssi_trigger - Start or stop SSI and corresponding DMA transaction.
+ * @substream: ASoC substream
+ * @cmd: trigger command
+ * @dai: pointer to DAI
*
* The DMA channel is in external master start and pause mode, which
* means the SSI completely controls the flow of data.
@@ -1239,7 +1254,8 @@ static struct snd_ac97_bus_ops fsl_ssi_ac97_ops = {
};
/**
- * Initialize SSI registers
+ * fsl_ssi_hw_init - Initialize SSI registers
+ * @ssi: SSI context
*/
static int fsl_ssi_hw_init(struct fsl_ssi *ssi)
{
@@ -1268,7 +1284,8 @@ static int fsl_ssi_hw_init(struct fsl_ssi *ssi)
}
/**
- * Clear SSI registers
+ * fsl_ssi_hw_clean - Clear SSI registers
+ * @ssi: SSI context
*/
static void fsl_ssi_hw_clean(struct fsl_ssi *ssi)
{
@@ -1285,7 +1302,8 @@ static void fsl_ssi_hw_clean(struct fsl_ssi *ssi)
regmap_update_bits(ssi->regs, REG_SSI_SCR, SSI_SCR_SSIEN, 0);
}
}
-/**
+
+/*
* Make every character in a string lower-case
*/
static void make_lowercase(char *s)
diff --git a/sound/soc/soc-ac97.c b/sound/soc/soc-ac97.c
index 906106ed8ca1..65db083e242b 100644
--- a/sound/soc/soc-ac97.c
+++ b/sound/soc/soc-ac97.c
@@ -393,6 +393,8 @@ EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops);
/**
* snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions
+ * @ops: bus ops
+ * @pdev: platform device
*
* This function sets the reset and warm_reset properties of ops and parses
* the device node of pdev to get pinctrl states and gpio numbers to use.
diff --git a/sound/soc/ti/j721e-evm.c b/sound/soc/ti/j721e-evm.c
index 3a2a8b1f3aa3..174306cf53ad 100644
--- a/sound/soc/ti/j721e-evm.c
+++ b/sound/soc/ti/j721e-evm.c
@@ -330,7 +330,7 @@ static int j721e_audio_hw_params(struct snd_pcm_substream *substream,
ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 2,
slot_width);
if (ret && ret != -ENOTSUPP)
- return ret;
+ goto out;
}
ret = j721e_configure_refclk(priv, domain_id, params_rate(params));
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