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Message-ID: <1644741191-12039-4-git-send-email-quic_jprakash@quicinc.com>
Date: Sun, 13 Feb 2022 14:03:10 +0530
From: Jishnu Prakash <quic_jprakash@...cinc.com>
To: <agross@...nel.org>, <bjorn.andersson@...aro.org>,
<devicetree@...r.kernel.org>, <mka@...omium.org>,
<dmitry.baryshkov@...aro.org>, <robh+dt@...nel.org>,
<knaack.h@....de>, <lars@...afoo.de>, <pmeerw@...erw.net>,
<manivannan.sadhasivam@...aro.org>, <linus.walleij@...aro.org>,
<quic_kgunda@...cinc.com>, <quic_aghayal@...cinc.com>,
<daniel.lezcano@...aro.org>, <rui.zhang@...el.com>,
<quic_subbaram@...cinc.com>, <jic23@...nel.org>,
<amitk@...nel.org>, Thara Gopinath <thara.gopinath@...aro.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
<linux-pm@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <linux-arm-msm-owner@...r.kernel.org>, <linux-iio@...r.kernel.org>,
Jishnu Prakash <quic_jprakash@...cinc.com>
Subject: [PATCH V5 3/4] thermal: qcom: Add support for multiple generations of devices
Refactor code to support multiple generations of ADC_TM devices
by defining gen number, irq name and disable, configure, isr and
init APIs in the individual data structs.
Signed-off-by: Jishnu Prakash <quic_jprakash@...cinc.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
drivers/thermal/qcom/qcom-spmi-adc-tm5.c | 82 ++++++++++++++++++++------------
1 file changed, 51 insertions(+), 31 deletions(-)
diff --git a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c
index 824671c..6d8fcf2 100644
--- a/drivers/thermal/qcom/qcom-spmi-adc-tm5.c
+++ b/drivers/thermal/qcom/qcom-spmi-adc-tm5.c
@@ -78,11 +78,10 @@ enum adc5_timer_select {
ADC5_TIMER_SEL_NONE,
};
-struct adc_tm5_data {
- const u32 full_scale_code_volt;
- unsigned int *decimation;
- unsigned int *hw_settle;
- bool is_hc;
+enum adc5_gen {
+ ADC_TM5,
+ ADC_TM_HC,
+ ADC_TM5_MAX
};
enum adc_tm5_cal_method {
@@ -92,6 +91,19 @@ enum adc_tm5_cal_method {
};
struct adc_tm5_chip;
+struct adc_tm5_channel;
+
+struct adc_tm5_data {
+ const u32 full_scale_code_volt;
+ unsigned int *decimation;
+ unsigned int *hw_settle;
+ int (*disable_channel)(struct adc_tm5_channel *channel);
+ int (*configure)(struct adc_tm5_channel *channel, int low, int high);
+ irqreturn_t (*isr)(int irq, void *data);
+ int (*init)(struct adc_tm5_chip *chip);
+ char *irq_name;
+ int gen;
+};
/**
* struct adc_tm5_channel - ADC Thermal Monitoring channel data.
@@ -139,22 +151,6 @@ struct adc_tm5_chip {
u16 base;
};
-static const struct adc_tm5_data adc_tm5_data_pmic = {
- .full_scale_code_volt = 0x70e4,
- .decimation = (unsigned int []) { 250, 420, 840 },
- .hw_settle = (unsigned int []) { 15, 100, 200, 300, 400, 500, 600, 700,
- 1000, 2000, 4000, 8000, 16000, 32000,
- 64000, 128000 },
-};
-
-static const struct adc_tm5_data adc_tm_hc_data_pmic = {
- .full_scale_code_volt = 0x70e4,
- .decimation = (unsigned int []) { 256, 512, 1024 },
- .hw_settle = (unsigned int []) { 0, 100, 200, 300, 400, 500, 600, 700,
- 1000, 2000, 4000, 6000, 8000, 10000 },
- .is_hc = true,
-};
-
static int adc_tm5_read(struct adc_tm5_chip *adc_tm, u16 offset, u8 *data, int len)
{
return regmap_bulk_read(adc_tm->regmap, adc_tm->base + offset, data, len);
@@ -343,14 +339,14 @@ static int adc_tm5_set_trips(void *data, int low, int high)
channel->channel, low, high);
if (high == INT_MAX && low <= -INT_MAX)
- ret = adc_tm5_disable_channel(channel);
+ ret = chip->data->disable_channel(channel);
else
- ret = adc_tm5_configure(channel, low, high);
+ ret = chip->data->configure(channel, low, high);
return ret;
}
-static struct thermal_zone_of_device_ops adc_tm5_ops = {
+static struct thermal_zone_of_device_ops adc_tm5_thermal_ops = {
.get_temp = adc_tm5_get_temp,
.set_trips = adc_tm5_set_trips,
};
@@ -366,7 +362,7 @@ static int adc_tm5_register_tzd(struct adc_tm5_chip *adc_tm)
tzd = devm_thermal_zone_of_sensor_register(adc_tm->dev,
adc_tm->channels[i].channel,
&adc_tm->channels[i],
- &adc_tm5_ops);
+ &adc_tm5_thermal_ops);
if (IS_ERR(tzd)) {
if (PTR_ERR(tzd) == -ENODEV) {
dev_warn(adc_tm->dev, "thermal sensor on channel %d is not used\n",
@@ -526,6 +522,33 @@ static int adc_tm5_get_dt_channel_data(struct adc_tm5_chip *adc_tm,
return 0;
}
+static const struct adc_tm5_data adc_tm5_data_pmic = {
+ .full_scale_code_volt = 0x70e4,
+ .decimation = (unsigned int []) { 250, 420, 840 },
+ .hw_settle = (unsigned int []) { 15, 100, 200, 300, 400, 500, 600, 700,
+ 1000, 2000, 4000, 8000, 16000, 32000,
+ 64000, 128000 },
+ .disable_channel = adc_tm5_disable_channel,
+ .configure = adc_tm5_configure,
+ .isr = adc_tm5_isr,
+ .init = adc_tm5_init,
+ .irq_name = "pm-adc-tm5",
+ .gen = ADC_TM5,
+};
+
+static const struct adc_tm5_data adc_tm_hc_data_pmic = {
+ .full_scale_code_volt = 0x70e4,
+ .decimation = (unsigned int []) { 256, 512, 1024 },
+ .hw_settle = (unsigned int []) { 0, 100, 200, 300, 400, 500, 600, 700,
+ 1000, 2000, 4000, 6000, 8000, 10000 },
+ .disable_channel = adc_tm5_disable_channel,
+ .configure = adc_tm5_configure,
+ .isr = adc_tm5_isr,
+ .init = adc_tm_hc_init,
+ .irq_name = "pm-adc-tm5",
+ .gen = ADC_TM_HC,
+};
+
static int adc_tm5_get_dt_data(struct adc_tm5_chip *adc_tm, struct device_node *node)
{
struct adc_tm5_channel *channels;
@@ -623,10 +646,7 @@ static int adc_tm5_probe(struct platform_device *pdev)
return ret;
}
- if (adc_tm->data->is_hc)
- ret = adc_tm_hc_init(adc_tm);
- else
- ret = adc_tm5_init(adc_tm);
+ ret = adc_tm->data->init(adc_tm);
if (ret) {
dev_err(dev, "adc-tm init failed\n");
return ret;
@@ -638,8 +658,8 @@ static int adc_tm5_probe(struct platform_device *pdev)
return ret;
}
- return devm_request_threaded_irq(dev, irq, NULL, adc_tm5_isr,
- IRQF_ONESHOT, "pm-adc-tm5", adc_tm);
+ return devm_request_threaded_irq(dev, irq, NULL, adc_tm->data->isr,
+ IRQF_ONESHOT, adc_tm->data->irq_name, adc_tm);
}
static const struct of_device_id adc_tm5_match_table[] = {
--
2.7.4
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