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ASoC: wsa883x: Add support for interrupt handling and variant

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Add support to handle wsa883x codec interrupts and runtime
detection of wsa883x variant.

Change-Id: I06fc113a390c04e890062761cff8ae7436acb662
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi
2019-10-22 07:00:22 +05:30
parent 7ae9fa55cd
commit edbc522254
2 changed files with 199 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
asoc/codecs/wsa883x/internal.h
View File

@@ -78,7 +78,6 @@ struct wsa883x_priv {
bool visense_enable;
bool ext_vdd_spk;
struct swr_port port[WSA883X_MAX_SWR_PORTS];
int pd_gpio;
int global_pa_cnt;
int dev_mode;
struct mutex res_lock;
@@ -87,6 +86,9 @@ struct wsa883x_priv {
struct device_node *wsa_rst_np;
int pa_mute;
int curr_temp;
int variant;
struct irq_domain *virq;
struct wcd_irq_info irq_info;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs_dent;
struct dentry *debugfs_peek;

206
asoc/codecs/wsa883x/wsa883x.c
View File

@@ -53,6 +53,51 @@ struct wsa_temp_register {
static int wsa883x_get_temperature(struct snd_soc_component *component,
int *temp);
enum {
WSA8830 = 0,
WSA8835,
};
enum {
WSA883X_IRQ_INT_SAF2WAR = 0,
WSA883X_IRQ_INT_WAR2SAF,
WSA883X_IRQ_INT_DISABLE,
WSA883X_IRQ_INT_OCP,
WSA883X_IRQ_INT_CLIP,
WSA883X_IRQ_INT_PDM_WD,
WSA883X_IRQ_INT_CLK_WD,
WSA883X_IRQ_INT_INTR_PIN,
WSA883X_IRQ_INT_UVLO,
WSA883X_IRQ_INT_PA_ON_ERR,
};
static const struct regmap_irq wsa883x_irqs[WSA883X_NUM_IRQS] = {
REGMAP_IRQ_REG(WSA883X_IRQ_INT_SAF2WAR, 0, 0x01),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_WAR2SAF, 0, 0x02),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_DISABLE, 0, 0x04),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_OCP, 0, 0x08),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_CLIP, 0, 0x10),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_PDM_WD, 0, 0x20),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_CLK_WD, 0, 0x40),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_INTR_PIN, 0, 0x80),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_UVLO, 1, 0x01),
REGMAP_IRQ_REG(WSA883X_IRQ_INT_PA_ON_ERR, 1, 0x02),
};
static struct regmap_irq_chip wsa883x_regmap_irq_chip = {
.name = "wsa883x",
.irqs = wsa883x_irqs,
.num_irqs = ARRAY_SIZE(wsa883x_irqs),
.num_regs = 2,
.status_base = WSA883X_INTR_STATUS0,
.mask_base = WSA883X_INTR_MASK0,
.type_base = WSA883X_INTR_LEVEL0,
.ack_base = WSA883X_INTR_CLEAR0,
.use_ack = 1,
.runtime_pm = false,
.irq_drv_data = NULL,
};
#ifdef CONFIG_DEBUG_FS
static int codec_debug_open(struct inode *inode, struct file *file)
{
@@ -289,6 +334,76 @@ static const struct file_operations codec_debug_dump_ops = {
};
#endif
static irqreturn_t wsa883x_saf2war_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_war2saf_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_otp_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_ocp_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_clip_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_pdm_wd_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_clk_wd_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_ext_int_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_uvlo_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static irqreturn_t wsa883x_pa_on_err_handle_irq(int irq, void *data)
{
pr_err_ratelimited("%s: interrupt for irq =%d triggered\n",
__func__, irq);
return IRQ_HANDLED;
}
static const char * const wsa_dev_mode_text[] = {
"speaker", "receiver", "ultrasound"
};
@@ -986,39 +1101,87 @@ static int wsa883x_swr_probe(struct swr_device *pdev)
goto dev_err;
}
/* Set all interrupts as edge triggered */
for (i = 0; i < wsa883x_regmap_irq_chip.num_regs; i++)
regmap_write(wsa883x->regmap, (WSA883X_INTR_LEVEL0 + i), 0);
wsa883x_regmap_irq_chip.irq_drv_data = wsa883x;
wsa883x->irq_info.wcd_regmap_irq_chip = &wsa883x_regmap_irq_chip;
wsa883x->irq_info.codec_name = "WSA883X";
wsa883x->irq_info.regmap = wsa883x->regmap;
wsa883x->irq_info.dev = dev;
ret = wcd_irq_init(&wsa883x->irq_info, &wsa883x->virq);
if (ret) {
dev_err(wsa883x->dev, "%s: IRQ init failed: %d\n",
__func__, ret);
goto dev_err;
}
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR,
"WSA SAF2WAR", wsa883x_saf2war_handle_irq, NULL);
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF,
"WSA WAR2SAF", wsa883x_war2saf_handle_irq, NULL);
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE,
"WSA OTP", wsa883x_otp_handle_irq, NULL);
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP,
"WSA OCP", wsa883x_ocp_handle_irq, NULL);
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP,
"WSA CLIP", wsa883x_clip_handle_irq, NULL);
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD,
"WSA PDM WD", wsa883x_pdm_wd_handle_irq, NULL);
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD,
"WSA CLK WD", wsa883x_clk_wd_handle_irq, NULL);
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN,
"WSA EXT INT", wsa883x_ext_int_handle_irq, NULL);
/* Under Voltage Lock out (UVLO) interrupt handle */
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO,
"WSA UVLO", wsa883x_uvlo_handle_irq, NULL);
wcd_request_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR,
"WSA PA ERR", wsa883x_pa_on_err_handle_irq, NULL);
ret = snd_soc_register_component(&pdev->dev, &soc_codec_dev_wsa883x,
NULL, 0);
if (ret) {
dev_err(&pdev->dev, "%s: Codec registration failed\n",
__func__);
goto dev_err;
goto err_irq;
}
mutex_init(&wsa883x->res_lock);
#ifdef CONFIG_DEBUG_FS
if (!wcd938x->debugfs_dent) {
wcd938x->debugfs_dent = debugfs_create_dir(
if (!wsa883x->debugfs_dent) {
wsa883x->debugfs_dent = debugfs_create_dir(
dev_name(&pdev->dev), 0);
if (!IS_ERR(wcd938x->debugfs_dent)) {
wcd938x->debugfs_peek =
if (!IS_ERR(wsa883x->debugfs_dent)) {
wsa883x->debugfs_peek =
debugfs_create_file("swrslave_peek",
S_IFREG | 0444,
wcd938x->debugfs_dent,
wsa883x->debugfs_dent,
(void *) pdev,
&codec_debug_read_ops);
wcd938x->debugfs_poke =
wsa883x->debugfs_poke =
debugfs_create_file("swrslave_poke",
S_IFREG | 0444,
wcd938x->debugfs_dent,
wsa883x->debugfs_dent,
(void *) pdev,
&codec_debug_write_ops);
wcd938x->debugfs_reg_dump =
wsa883x->debugfs_reg_dump =
debugfs_create_file(
"swrslave_reg_dump",
S_IFREG | 0444,
wcd938x->debugfs_dent,
wsa883x->debugfs_dent,
(void *) pdev,
&codec_debug_dump_ops);
}
@@ -1027,6 +1190,18 @@ static int wsa883x_swr_probe(struct swr_device *pdev)
return 0;
err_irq:
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR, NULL);
wcd_irq_exit(&wsa883x->irq_info, wsa883x->virq);
dev_err:
if (pin_state_current == false)
wsa883x_gpio_ctrl(wsa883x, false);
@@ -1044,6 +1219,17 @@ static int wsa883x_swr_remove(struct swr_device *pdev)
dev_err(&pdev->dev, "%s: wsa883x is NULL\n", __func__);
return -EINVAL;
}
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_SAF2WAR, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_WAR2SAF, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_DISABLE, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_OCP, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLIP, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PDM_WD, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_CLK_WD, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_INTR_PIN, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_UVLO, NULL);
wcd_free_irq(&wsa883x->irq_info, WSA883X_IRQ_INT_PA_ON_ERR, NULL);
#ifdef CONFIG_DEBUG_FS
debugfs_remove_recursive(wsa883x->debugfs_dent);
wsa883x->debugfs_dent = NULL;