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Fri, 16 May 2025 04:26:46 -0400 From: Antoniu Miclaus To: , , , , , CC: Antoniu Miclaus , =?UTF-8?q?Nuno=20S=C3=A1?= Subject: [PATCH v6 05/10] iio: adc: adi-axi-adc: add filter type config Date: Fri, 16 May 2025 11:26:25 +0300 Message-ID: <20250516082630.8236-6-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250516082630.8236-1-antoniu.miclaus@analog.com> References: <20250516082630.8236-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: hH4JEMf-_uKzKlPzOc5IPHacqJK82xrP X-Proofpoint-GUID: hH4JEMf-_uKzKlPzOc5IPHacqJK82xrP X-Authority-Analysis: v=2.4 cv=A/9sP7WG c=1 sm=1 tr=0 ts=6826f6e3 cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=gAnH3GRIAAAA:8 a=Gqha4wrVLCtXpNfHMFMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE2MDA3OSBTYWx0ZWRfX2QcDhQpyjzXK 2RhOEEdoqkJvvaD/ZdVtxBG4jX1tHzB25UqA7OgS+IXvHYP8F2BI46LmNmJmmP8nqLU6bwkULQW Fscros1t/LVU2L++GLEGq0GgVu+DRfbI0Olw4lLJ+SXStPXpPZ6H5Uaio3XAXn0VPvT20+/fBdh W6TzK6rY2pO7cwTgc3WY8FOncQy+3VxqkpMfcqlLm9rvNf3BUFmwJbwdazPGE/bZo+4Qxth4ODx laqUboiWVApsr5TFXc0uYQEEorICkdPTpWDc6DpqMWIX+KB8wW8pZHpIyP2FoCgXV+NTk4RrwpZ LtYV0zPOgqVebeprTwbhKiTcsrRQxCjMkRTQaoyH+d5fOgX5zcyde8mNdHlxfIfUaQliYQgTZY/ 2/1Ze/m7Z4Oo9dXCMgnxv9LEJMRG/ps78Dvrz/V4aS7jArfSFsgjL3N1HybJmbCGv+8+AGW2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-16_03,2025-05-15_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 mlxlogscore=999 priorityscore=1501 mlxscore=0 impostorscore=0 clxscore=1015 adultscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505070000 definitions=main-2505160079 Add support for enabling/disabling filter based on the filter type provided. This feature is specific to the axi ad408x IP core, therefore add new compatible string and corresponding iio_backend_ops. Reviewed-by: Nuno Sá Signed-off-by: Antoniu Miclaus --- no changes in v6. drivers/iio/adc/adi-axi-adc.c | 38 +++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index 61ab7dce43be..2a3a6c3f5e59 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -52,6 +52,7 @@ #define AXI_AD485X_PACKET_FORMAT_20BIT 0x0 #define AXI_AD485X_PACKET_FORMAT_24BIT 0x1 #define AXI_AD485X_PACKET_FORMAT_32BIT 0x2 +#define AXI_AD408X_CNTRL_3_FILTER_EN_MSK BIT(0) #define ADI_AXI_ADC_REG_DRP_STATUS 0x0074 #define ADI_AXI_ADC_DRP_LOCKED BIT(17) @@ -402,6 +403,19 @@ static int axi_adc_ad485x_oversampling_ratio_set(struct iio_backend *back, } } +static int axi_adc_ad408x_filter_type_set(struct iio_backend *back, + enum iio_backend_filter_type type) +{ + struct adi_axi_adc_state *st = iio_backend_get_priv(back); + + if (type) + return regmap_set_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AXI_AD408X_CNTRL_3_FILTER_EN_MSK); + + return regmap_clear_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AXI_AD408X_CNTRL_3_FILTER_EN_MSK); +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -582,6 +596,24 @@ static const struct iio_backend_info axi_ad485x = { .ops = &adi_ad485x_ops, }; +static const struct iio_backend_ops adi_ad408x_ops = { + .enable = axi_adc_enable, + .disable = axi_adc_disable, + .chan_enable = axi_adc_chan_enable, + .chan_disable = axi_adc_chan_disable, + .request_buffer = axi_adc_request_buffer, + .free_buffer = axi_adc_free_buffer, + .data_sample_trigger = axi_adc_data_sample_trigger, + .filter_type_set = axi_adc_ad408x_filter_type_set, + .debugfs_reg_access = iio_backend_debugfs_ptr(axi_adc_reg_access), + .debugfs_print_chan_status = iio_backend_debugfs_ptr(axi_adc_debugfs_print_chan_status), +}; + +static const struct iio_backend_info axi_ad408x = { + .name = "axi-ad408x", + .ops = &adi_ad408x_ops, +}; + static int adi_axi_adc_probe(struct platform_device *pdev) { struct adi_axi_adc_state *st; @@ -697,9 +729,15 @@ static const struct axi_adc_info adc_ad7606 = { .has_child_nodes = true, }; +static const struct axi_adc_info adi_axi_ad408x = { + .version = ADI_AXI_PCORE_VER(10, 0, 'a'), + .backend_info = &axi_ad408x, +}; + /* Match table for of_platform binding */ static const struct of_device_id adi_axi_adc_of_match[] = { { .compatible = "adi,axi-adc-10.0.a", .data = &adc_generic }, + { .compatible = "adi,axi-ad408x", .data = &adi_axi_ad408x }, { .compatible = "adi,axi-ad485x", .data = &adi_axi_ad485x }, { .compatible = "adi,axi-ad7606x", .data = &adc_ad7606 }, { /* end of list */ } -- 2.49.0