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 if (adis->data->burst_max_speed_hz)
55 adis->xfer[0].speed_hz = adis->data->burst_max_speed_hz;
56 adis->xfer[1].rx_buf = adis->buffer;
57 adis->xfer[1].bits_per_word = 8;
58 adis->xfer[1].len = burst_length;
59 if (adis->data->burst_max_speed_hz)
60 adis->xfer[1].speed_hz = adis->data->burst_max_speed_hz;
62 spi_message_init(&adis->msg);
63 spi_message_add_tail(&adis->xfer[0], &adis->msg);
64 spi_message_add_tail(&adis->xfer[1], &adis->msg);
72 struct adis *adis = iio_device_get_drvdata(indio_dev);
78 kfree(adis->xfer);
79 kfree(adis->buffer);
81 if (adis->data->burst_len)
86 adis->xfer = kcalloc(scan_count + 1, sizeof(*adis->xfer), GFP_KERNEL);
87 if (!adis->xfer)
90 adis->buffer = kcalloc(indio_dev->scan_bytes, 2, GFP_KERNEL);
91 if (!adis->buffer) {
92 kfree(adis->xfer);
93 adis->xfer = NULL;
97 rx = adis->buffer;
100 spi_message_init(&adis->msg);
103 adis->xfer[j].bits_per_word = 8;
105 adis->xfer[j].cs_change = 1;
106 adis->xfer[j].len = 2;
107 adis->xfer[j].delay.value = adis->data->read_delay;
108 adis->xfer[j].delay.unit = SPI_DELAY_UNIT_USECS;
110 adis->xfer[j].tx_buf = &tx[j];
112 adis->xfer[j].rx_buf = &rx[j - 1];
113 spi_message_add_tail(&adis->xfer[j], &adis->msg);
133 struct adis *adis = iio_device_get_drvdata(indio_dev);
136 if (adis->data->has_paging) {
137 mutex_lock(&adis->state_lock);
138 if (adis->current_page != 0) {
139 adis->tx[0] = ADIS_WRITE_REG(ADIS_REG_PAGE_ID);
140 adis->tx[1] = 0;
141 ret = spi_write(adis->spi, adis->tx, 2);
143 dev_err(&adis->spi->dev, "Failed to change device page: %d\n", ret);
144 mutex_unlock(&adis->state_lock);
148 adis->current_page = 0;
152 ret = spi_sync(adis->spi, &adis->msg);
153 if (adis->data->has_paging)
154 mutex_unlock(&adis->state_lock);
156 dev_err(&adis->spi->dev, "Failed to read data: %d", ret);
160 iio_push_to_buffers_with_timestamp(indio_dev, adis->buffer,
171 struct adis *adis = arg;
173 kfree(adis->buffer);
174 kfree(adis->xfer);
179 * the managed adis device
180 * @adis: The adis device
186 * This function sets up the buffer and trigger for a adis devices. If
192 devm_adis_setup_buffer_and_trigger(struct adis *adis, struct iio_dev *indio_dev,
200 ret = devm_iio_triggered_buffer_setup(&adis->spi->dev, indio_dev,
206 if (adis->spi->irq) {
207 ret = devm_adis_probe_trigger(adis, indio_dev);
212 return devm_add_action_or_reset(&adis->spi->dev, adis_buffer_cleanup,
213 adis);