QC3P:add iio sys support
Add iio sys support for QC3P turbo charger. Change-Id: Ib8c626e912becd75d751fda7e6050a39fcc0785c Signed-off-by: xuwei9 <xuwei9@lenovo.com> Reviewed-on: https://gerrit.mot.com/2139278 SLTApproved: Slta Waiver SME-Granted: SME Approvals Granted Tested-by: Jira Key Reviewed-by: Huosheng Liao <liaohs@motorola.com> Submit-Approved: Jira Key
This commit is contained in:
xuwei9
Wei Xu
parent
fdb761671a
commit
77aa01676c
2 changed files with 201 additions and 2 deletions
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@ -1,5 +1,8 @@
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#ifndef __QC3P_WT6670_
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#define __QC3P_WT6670_
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#include <linux/iio/iio.h>
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#include <dt-bindings/iio/qti_power_supply_iio.h>
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#include <linux/iio/consumer.h>
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#define WT6670_FIRMWARE_VERSION 0x03
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@ -14,6 +17,9 @@ struct wt6670f {
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int count;
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int chg_type;
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bool chg_ready;
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struct iio_dev *indio_dev;
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struct iio_chan_spec *iio_chan;
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struct iio_channel *int_iio_chans;
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struct mutex i2c_rw_lock;
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};
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@ -23,6 +29,47 @@ enum {
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QC3P_Z350,
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};
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enum wt6670_charger_type{
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WT6670_CHG_TYPE_BEGIN = 0,
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WT6670_CHG_TYPE_FC,
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WT6670_CHG_TYPE_SDP,
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WT6670_CHG_TYPE_CDP,
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WT6670_CHG_TYPE_DCP,
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WT6670_CHG_TYPE_QC2,
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WT6670_CHG_TYPE_QC3,
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WT6670_CHG_TYPE_OCP,
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WT6670_CHG_TYPE_QC3P_18W,
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WT6670_CHG_TYPE_QC3P_27W,
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WT6670_CHG_TYPE_UNKNOWN,
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};
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struct wt6670_iio_channels {
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const char *datasheet_name;
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int channel_num;
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enum iio_chan_type type;
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long info_mask;
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};
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#define wt6670_IIO_CHAN(_name, _num, _type, _mask) \
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{ \
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.datasheet_name = _name, \
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.channel_num = _num, \
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.type = _type, \
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.info_mask = _mask, \
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},
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#define wt6670_CHAN_INDEX(_name, _num) \
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wt6670_IIO_CHAN(_name, _num, IIO_INDEX, \
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BIT(IIO_CHAN_INFO_PROCESSED))
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static const struct wt6670_iio_channels wt6670_iio_psy_channels[] = {
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wt6670_CHAN_INDEX("wt6670_usb_real_type", PSY_IIO_QC3P_REAL_TYPE)
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wt6670_CHAN_INDEX("wt6670_usb_qc3p_power", PSY_IIO_QC3P_POWER)
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wt6670_CHAN_INDEX("wt6670_battery_dp_dm", PSY_IIO_BATTERY_DP_DM)
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wt6670_CHAN_INDEX("wt6670_start_detection", PSY_IIO_START_DETECTION)
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wt6670_CHAN_INDEX("wt6670_detection_ready", PSY_IIO_DETECTION_READY)
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};
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int wt6670f_isp_flow(struct wt6670f *chip);
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int wt6670f_get_firmware_version(void);
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#endif //__QC3P_WT6670_
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@ -450,6 +450,146 @@ EXPORT_SYMBOL_GPL(moto_tcmd_wt6670f_get_firmware_version);
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return 0;
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}*/
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static int wt6670_iio_write_raw(struct iio_dev *indio_dev,
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struct iio_chan_spec const *chan, int val1,
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int val2, long mask)
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{
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int rc = 0;
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switch (chan->channel) {
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case PSY_IIO_START_DETECTION:
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wt6670f_reset_chg_type();
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wt6670f_start_detection();
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pr_info("wt6670 start detection\n");
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break;
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case PSY_IIO_BATTERY_DP_DM:
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wt6670f_set_volt_count(val1);
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pr_info("wt6670 set volt count:%d\n",val1);
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break;
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default:
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pr_err("Unsupported wt6670 IIO chan %d\n", chan->channel);
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rc = -EINVAL;
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break;
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}
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if (rc < 0)
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pr_err("Couldn't write IIO channel %d, rc = %d\n",
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chan->channel, rc);
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return rc;
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}
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static int wt6670_iio_read_raw(struct iio_dev *indio_dev,
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struct iio_chan_spec const *chan, int *val1,
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int *val2, long mask)
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{
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int rc = 0;
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int result;
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*val1 = 0;
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switch (chan->channel) {
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case PSY_IIO_QC3P_POWER:
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result = wt6670f_get_charger_type();
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pr_info("wt6670 get charger type for qc3p power:%d\n",result);
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if(result == WT6670_CHG_TYPE_QC3P_18W || result == WT6670_CHG_TYPE_QC3P_27W)
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*val1 = result;
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break;
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case PSY_IIO_QC3P_REAL_TYPE:
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wt6670f_get_protocol();
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result = wt6670f_get_charger_type();
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pr_info("wt6670 get charger type:%d\n", result);
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*val1 = result;
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break;
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case PSY_IIO_DETECTION_READY:
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result = wt6670f_is_charger_ready();
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pr_info("wt6670 get wt6670f_is_charger_ready status:%d\n", result);
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*val1 = result;
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break;
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default:
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pr_err("Unsupported wt6670 IIO chan %d\n", chan->channel);
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rc = -EINVAL;
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break;
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}
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if (rc < 0) {
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pr_err("Couldn't read IIO channel %d, rc = %d\n",
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chan->channel, rc);
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return rc;
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}
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return IIO_VAL_INT;
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}
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static int wt6670_iio_of_xlate(struct iio_dev *indio_dev,
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const struct of_phandle_args *iiospec)
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{
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struct wt6670f *bq = iio_priv(indio_dev);
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struct iio_chan_spec *iio_chan = bq->iio_chan;
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int i;
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for (i = 0; i < ARRAY_SIZE(wt6670_iio_psy_channels);
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i++, iio_chan++)
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if (iio_chan->channel == iiospec->args[0])
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return i;
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return -EINVAL;
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}
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static const struct iio_info wt6670_iio_info = {
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.read_raw = wt6670_iio_read_raw,
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.write_raw = wt6670_iio_write_raw,
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.of_xlate = wt6670_iio_of_xlate,
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};
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static int wt6670_init_iio_psy(struct wt6670f *chip)
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{
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struct iio_dev *indio_dev = chip->indio_dev;
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struct iio_chan_spec *chan;
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int wt6670_num_iio_channels = ARRAY_SIZE(wt6670_iio_psy_channels);
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int rc, i;
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chip->iio_chan = devm_kcalloc(chip->dev, wt6670_num_iio_channels,
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sizeof(*chip->iio_chan), GFP_KERNEL);
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if (!chip->iio_chan)
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return -ENOMEM;
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chip->int_iio_chans = devm_kcalloc(chip->dev,
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wt6670_num_iio_channels,
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sizeof(*chip->int_iio_chans),
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GFP_KERNEL);
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if (!chip->int_iio_chans)
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return -ENOMEM;
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indio_dev->info = &wt6670_iio_info;
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indio_dev->dev.parent = chip->dev;
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indio_dev->dev.of_node = chip->dev->of_node;
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indio_dev->name = "wt6670";
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indio_dev->modes = INDIO_DIRECT_MODE;
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indio_dev->channels = chip->iio_chan;
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indio_dev->num_channels = wt6670_num_iio_channels;
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for (i = 0; i < wt6670_num_iio_channels; i++) {
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chip->int_iio_chans[i].indio_dev = indio_dev;
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chan = &chip->iio_chan[i];
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chip->int_iio_chans[i].channel = chan;
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chan->address = i;
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chan->channel = wt6670_iio_psy_channels[i].channel_num;
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chan->type = wt6670_iio_psy_channels[i].type;
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chan->datasheet_name =
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wt6670_iio_psy_channels[i].datasheet_name;
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chan->extend_name =
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wt6670_iio_psy_channels[i].datasheet_name;
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chan->info_mask_separate =
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wt6670_iio_psy_channels[i].info_mask;
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}
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rc = devm_iio_device_register(chip->dev, indio_dev);
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if (rc)
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pr_err("Failed to register wt6670 IIO device, rc=%d\n", rc);
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return rc;
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}
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extern int wt6670f_isp_flow(struct wt6670f *chip);
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static int wt6670f_i2c_probe(struct i2c_client *client,
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@ -459,13 +599,21 @@ static int wt6670f_i2c_probe(struct i2c_client *client,
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u16 firmware_version = 0;
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int in_isp_flow_count = 3;
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struct wt6670f *wt;
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struct iio_dev *indio_dev;
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pr_info("[%s]\n", __func__);
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wt = devm_kzalloc(&client->dev, sizeof(struct wt6670f), GFP_KERNEL);
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if (!wt)
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indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*wt));
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if (!indio_dev)
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return -ENOMEM;
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wt = iio_priv(indio_dev);
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if (!wt) {
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pr_err("Out of memory\n");
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return -ENOMEM;
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}
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wt->indio_dev = indio_dev;
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wt->dev = &client->dev;
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wt->client = client;
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i2c_set_clientdata(client, wt);
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@ -507,6 +655,10 @@ static int wt6670f_i2c_probe(struct i2c_client *client,
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}
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}
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ret = wt6670_init_iio_psy(wt);
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if (ret < 0)
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pr_info("%s: init iio sys error\n", __func__);
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return 0;
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}
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