Lines Matching refs:adis
20 #include <linux/iio/imu/adis.h>
25 struct adis *adis = iio_device_get_drvdata(indio_dev);
29 burst_length = adis->data->burst_len + adis->burst_extra_len;
31 if (adis->data->burst_max_len)
32 burst_max_length = adis->data->burst_max_len;
36 adis->xfer = kcalloc(2, sizeof(*adis->xfer), GFP_KERNEL);
37 if (!adis->xfer)
40 adis->buffer = kzalloc(burst_max_length + sizeof(u16), GFP_KERNEL);
41 if (!adis->buffer) {
42 kfree(adis->xfer);
43 adis->xfer = NULL;
47 tx = adis->buffer + burst_max_length;
48 tx[0] = ADIS_READ_REG(adis->data->burst_reg_cmd);
51 adis->xfer[0].tx_buf = tx;
52 adis->xfer[0].bits_per_word = 8;
53 adis->xfer[0].len = 2;
54 adis->xfer[1].rx_buf = adis->buffer;
55 adis->xfer[1].bits_per_word = 8;
56 adis->xfer[1].len = burst_length;
58 spi_message_init(&adis->msg);
59 spi_message_add_tail(&adis->xfer[0], &adis->msg);
60 spi_message_add_tail(&adis->xfer[1], &adis->msg);
68 struct adis *adis = iio_device_get_drvdata(indio_dev);
74 kfree(adis->xfer);
75 kfree(adis->buffer);
77 if (adis->data->burst_len)
82 adis->xfer = kcalloc(scan_count + 1, sizeof(*adis->xfer), GFP_KERNEL);
83 if (!adis->xfer)
86 adis->buffer = kcalloc(indio_dev->scan_bytes, 2, GFP_KERNEL);
87 if (!adis->buffer) {
88 kfree(adis->xfer);
89 adis->xfer = NULL;
93 rx = adis->buffer;
96 spi_message_init(&adis->msg);
99 adis->xfer[j].bits_per_word = 8;
101 adis->xfer[j].cs_change = 1;
102 adis->xfer[j].len = 2;
103 adis->xfer[j].delay.value = adis->data->read_delay;
104 adis->xfer[j].delay.unit = SPI_DELAY_UNIT_USECS;
106 adis->xfer[j].tx_buf = &tx[j];
108 adis->xfer[j].rx_buf = &rx[j - 1];
109 spi_message_add_tail(&adis->xfer[j], &adis->msg);
129 struct adis *adis = iio_device_get_drvdata(indio_dev);
132 if (adis->data->has_paging) {
133 mutex_lock(&adis->state_lock);
134 if (adis->current_page != 0) {
135 adis->tx[0] = ADIS_WRITE_REG(ADIS_REG_PAGE_ID);
136 adis->tx[1] = 0;
137 spi_write(adis->spi, adis->tx, 2);
141 ret = spi_sync(adis->spi, &adis->msg);
143 dev_err(&adis->spi->dev, "Failed to read data: %d", ret);
146 if (adis->data->has_paging) {
147 adis->current_page = 0;
148 mutex_unlock(&adis->state_lock);
151 iio_push_to_buffers_with_timestamp(indio_dev, adis->buffer,
161 struct adis *adis = arg;
163 kfree(adis->buffer);
164 kfree(adis->xfer);
169 * the managed adis device
170 * @adis: The adis device
176 * This function sets up the buffer and trigger for a adis devices. If
182 devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
190 ret = devm_iio_triggered_buffer_setup(&adis->spi->dev, indio_dev,
196 if (adis->spi->irq) {
197 ret = devm_adis_probe_trigger(adis, indio_dev);
202 return devm_add_action_or_reset(&adis->spi->dev, adis_buffer_cleanup,
203 adis);