| Message ID | 20180128232919.12639-5-embed3d@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, On Mon, Jan 29, 2018 at 12:29:07AM +0100, Philipp Rossak wrote: > For adding newer sensor some basic rework of the code is necessary. > > This commit reworks the code and allows the sampling start/end code and > the position of value readout register to be altered. Later the start/end > functions will be used to configure the ths and start/stop the > sampling. > > Signed-off-by: Icenowy Zheng <icenowy@aosc.io> > Signed-off-by: Philipp Rossak <embed3d@gmail.com> That signed-off-by chain doesn't really make much sense. If Icenowy is the author, she should be reported as such in the commit, and if you're the author, you shouldn't have her Signed-off-by. > --- > drivers/iio/adc/sun4i-gpadc-iio.c | 44 ++++++++++++++++++++++++++++++++++----- > 1 file changed, 39 insertions(+), 5 deletions(-) > > diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c > index 03804ff9c006..db57d9fffe48 100644 > --- a/drivers/iio/adc/sun4i-gpadc-iio.c > +++ b/drivers/iio/adc/sun4i-gpadc-iio.c > @@ -49,6 +49,15 @@ static unsigned int sun6i_gpadc_chan_select(unsigned int chan) > return SUN6I_GPADC_CTRL1_ADC_CHAN_SELECT(chan); > } > > +struct sun4i_gpadc_iio; > + > +/* > + * Prototypes for these functions, which enable these functions to be > + * referenced in gpadc_data structures. > + */ > +static int sun4i_gpadc_sample_start(struct sun4i_gpadc_iio *info); > +static int sun4i_gpadc_sample_end(struct sun4i_gpadc_iio *info); > + > struct gpadc_data { > int temp_offset; > int temp_scale; > @@ -56,6 +65,9 @@ struct gpadc_data { > unsigned int tp_adc_select; > unsigned int (*adc_chan_select)(unsigned int chan); > unsigned int adc_chan_mask; > + unsigned int temp_data; > + int (*sample_start)(struct sun4i_gpadc_iio *info); > + int (*sample_end)(struct sun4i_gpadc_iio *info); > }; > > static const struct gpadc_data sun4i_gpadc_data = { > @@ -65,6 +77,9 @@ static const struct gpadc_data sun4i_gpadc_data = { > .tp_adc_select = SUN4I_GPADC_CTRL1_TP_ADC_SELECT, > .adc_chan_select = &sun4i_gpadc_chan_select, > .adc_chan_mask = SUN4I_GPADC_CTRL1_ADC_CHAN_MASK, > + .temp_data = SUN4I_GPADC_TEMP_DATA, You can use a regmap_field there. Thanks! Maxime
Hi Philipp, On Mon, Jan 29, 2018 at 12:29:07AM +0100, Philipp Rossak wrote: > For adding newer sensor some basic rework of the code is necessary. > > This commit reworks the code and allows the sampling start/end code and > the position of value readout register to be altered. Later the start/end > functions will be used to configure the ths and start/stop the > sampling. > > Signed-off-by: Icenowy Zheng <icenowy@aosc.io> > Signed-off-by: Philipp Rossak <embed3d@gmail.com> > --- > drivers/iio/adc/sun4i-gpadc-iio.c | 44 ++++++++++++++++++++++++++++++++++----- > 1 file changed, 39 insertions(+), 5 deletions(-) > > diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c > index 03804ff9c006..db57d9fffe48 100644 > --- a/drivers/iio/adc/sun4i-gpadc-iio.c > +++ b/drivers/iio/adc/sun4i-gpadc-iio.c > @@ -49,6 +49,15 @@ static unsigned int sun6i_gpadc_chan_select(unsigned int chan) > return SUN6I_GPADC_CTRL1_ADC_CHAN_SELECT(chan); > } > > +struct sun4i_gpadc_iio; > + > +/* > + * Prototypes for these functions, which enable these functions to be > + * referenced in gpadc_data structures. > + */ Comment not needed. > +static int sun4i_gpadc_sample_start(struct sun4i_gpadc_iio *info); > +static int sun4i_gpadc_sample_end(struct sun4i_gpadc_iio *info); > + > struct gpadc_data { > int temp_offset; > int temp_scale; > @@ -56,6 +65,9 @@ struct gpadc_data { > unsigned int tp_adc_select; > unsigned int (*adc_chan_select)(unsigned int chan); > unsigned int adc_chan_mask; > + unsigned int temp_data; Does not really have anything to do with sample_start/end. I would have made a different commit for it. Otherwise, Reviewed-by: Quentin Schulz <quentin.schulz@free-electrons.com> Quentin
On 31.01.2018 18:51, Quentin Schulz wrote: > Hi Philipp, > > On Mon, Jan 29, 2018 at 12:29:07AM +0100, Philipp Rossak wrote: >> For adding newer sensor some basic rework of the code is necessary. >> >> This commit reworks the code and allows the sampling start/end code and >> the position of value readout register to be altered. Later the start/end >> functions will be used to configure the ths and start/stop the >> sampling. >> >> Signed-off-by: Icenowy Zheng <icenowy@aosc.io> >> Signed-off-by: Philipp Rossak <embed3d@gmail.com> >> --- >> drivers/iio/adc/sun4i-gpadc-iio.c | 44 ++++++++++++++++++++++++++++++++++----- >> 1 file changed, 39 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c >> index 03804ff9c006..db57d9fffe48 100644 >> --- a/drivers/iio/adc/sun4i-gpadc-iio.c >> +++ b/drivers/iio/adc/sun4i-gpadc-iio.c >> @@ -49,6 +49,15 @@ static unsigned int sun6i_gpadc_chan_select(unsigned int chan) >> return SUN6I_GPADC_CTRL1_ADC_CHAN_SELECT(chan); >> } >> >> +struct sun4i_gpadc_iio; >> + >> +/* >> + * Prototypes for these functions, which enable these functions to be >> + * referenced in gpadc_data structures. >> + */ > > Comment not needed. > >> +static int sun4i_gpadc_sample_start(struct sun4i_gpadc_iio *info); >> +static int sun4i_gpadc_sample_end(struct sun4i_gpadc_iio *info); >> + >> struct gpadc_data { >> int temp_offset; >> int temp_scale; >> @@ -56,6 +65,9 @@ struct gpadc_data { >> unsigned int tp_adc_select; >> unsigned int (*adc_chan_select)(unsigned int chan); >> unsigned int adc_chan_mask; >> + unsigned int temp_data; > > Does not really have anything to do with sample_start/end. I would have > made a different commit for it. > > Otherwise, > Reviewed-by: Quentin Schulz <quentin.schulz@free-electrons.com> > > Quentin > Ok I will split this. Thanks, Philipp
diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c index 03804ff9c006..db57d9fffe48 100644 --- a/drivers/iio/adc/sun4i-gpadc-iio.c +++ b/drivers/iio/adc/sun4i-gpadc-iio.c @@ -49,6 +49,15 @@ static unsigned int sun6i_gpadc_chan_select(unsigned int chan) return SUN6I_GPADC_CTRL1_ADC_CHAN_SELECT(chan); } +struct sun4i_gpadc_iio; + +/* + * Prototypes for these functions, which enable these functions to be + * referenced in gpadc_data structures. + */ +static int sun4i_gpadc_sample_start(struct sun4i_gpadc_iio *info); +static int sun4i_gpadc_sample_end(struct sun4i_gpadc_iio *info); + struct gpadc_data { int temp_offset; int temp_scale; @@ -56,6 +65,9 @@ struct gpadc_data { unsigned int tp_adc_select; unsigned int (*adc_chan_select)(unsigned int chan); unsigned int adc_chan_mask; + unsigned int temp_data; + int (*sample_start)(struct sun4i_gpadc_iio *info); + int (*sample_end)(struct sun4i_gpadc_iio *info); }; static const struct gpadc_data sun4i_gpadc_data = { @@ -65,6 +77,9 @@ static const struct gpadc_data sun4i_gpadc_data = { .tp_adc_select = SUN4I_GPADC_CTRL1_TP_ADC_SELECT, .adc_chan_select = &sun4i_gpadc_chan_select, .adc_chan_mask = SUN4I_GPADC_CTRL1_ADC_CHAN_MASK, + .temp_data = SUN4I_GPADC_TEMP_DATA, + .sample_start = sun4i_gpadc_sample_start, + .sample_end = sun4i_gpadc_sample_end, }; static const struct gpadc_data sun5i_gpadc_data = { @@ -74,6 +89,9 @@ static const struct gpadc_data sun5i_gpadc_data = { .tp_adc_select = SUN4I_GPADC_CTRL1_TP_ADC_SELECT, .adc_chan_select = &sun4i_gpadc_chan_select, .adc_chan_mask = SUN4I_GPADC_CTRL1_ADC_CHAN_MASK, + .temp_data = SUN4I_GPADC_TEMP_DATA, + .sample_start = sun4i_gpadc_sample_start, + .sample_end = sun4i_gpadc_sample_end, }; static const struct gpadc_data sun6i_gpadc_data = { @@ -83,12 +101,18 @@ static const struct gpadc_data sun6i_gpadc_data = { .tp_adc_select = SUN6I_GPADC_CTRL1_TP_ADC_SELECT, .adc_chan_select = &sun6i_gpadc_chan_select, .adc_chan_mask = SUN6I_GPADC_CTRL1_ADC_CHAN_MASK, + .temp_data = SUN4I_GPADC_TEMP_DATA, + .sample_start = sun4i_gpadc_sample_start, + .sample_end = sun4i_gpadc_sample_end, }; static const struct gpadc_data sun8i_a33_gpadc_data = { .temp_offset = -1662, .temp_scale = 162, .tp_mode_en = SUN8I_A33_GPADC_CTRL1_CHOP_TEMP_EN, + .temp_data = SUN4I_GPADC_TEMP_DATA, + .sample_start = sun4i_gpadc_sample_start, + .sample_end = sun4i_gpadc_sample_end, }; struct sun4i_gpadc_iio { @@ -277,7 +301,7 @@ static int sun4i_gpadc_temp_read(struct iio_dev *indio_dev, int *val) if (info->no_irq) { pm_runtime_get_sync(indio_dev->dev.parent); - regmap_read(info->regmap, SUN4I_GPADC_TEMP_DATA, val); + regmap_read(info->regmap, info->data->temp_data, val); pm_runtime_mark_last_busy(indio_dev->dev.parent); pm_runtime_put_autosuspend(indio_dev->dev.parent); @@ -382,10 +406,8 @@ static irqreturn_t sun4i_gpadc_fifo_data_irq_handler(int irq, void *dev_id) return IRQ_HANDLED; } -static int sun4i_gpadc_runtime_suspend(struct device *dev) +static int sun4i_gpadc_sample_end(struct sun4i_gpadc_iio *info) { - struct sun4i_gpadc_iio *info = iio_priv(dev_get_drvdata(dev)); - /* Disable the ADC on IP */ regmap_write(info->regmap, SUN4I_GPADC_CTRL1, 0); /* Disable temperature sensor on IP */ @@ -394,10 +416,15 @@ static int sun4i_gpadc_runtime_suspend(struct device *dev) return 0; } -static int sun4i_gpadc_runtime_resume(struct device *dev) +static int sun4i_gpadc_runtime_suspend(struct device *dev) { struct sun4i_gpadc_iio *info = iio_priv(dev_get_drvdata(dev)); + return info->data->sample_end(info); +} + +static int sun4i_gpadc_sample_start(struct sun4i_gpadc_iio *info) +{ /* clkin = 6MHz */ regmap_write(info->regmap, SUN4I_GPADC_CTRL0, SUN4I_GPADC_CTRL0_ADC_CLK_DIVIDER(2) | @@ -415,6 +442,13 @@ static int sun4i_gpadc_runtime_resume(struct device *dev) return 0; } +static int sun4i_gpadc_runtime_resume(struct device *dev) +{ + struct sun4i_gpadc_iio *info = iio_priv(dev_get_drvdata(dev)); + + return info->data->sample_start(info); +} + static int sun4i_gpadc_get_temp(void *data, int *temp) { struct sun4i_gpadc_iio *info = data;