33 int __adis_write_reg(struct adis *adis, unsigned int reg, unsigned int value,  in __adis_write_reg()  argument
41 			.tx_buf = adis->tx,  in __adis_write_reg()
45 			.delay.value = adis->data->write_delay,  in __adis_write_reg()
47 			.cs_change_delay.value = adis->data->cs_change_delay,  in __adis_write_reg()
50 			.tx_buf = adis->tx + 2,  in __adis_write_reg()
54 			.delay.value = adis->data->write_delay,  in __adis_write_reg()
56 			.cs_change_delay.value = adis->data->cs_change_delay,  in __adis_write_reg()
59 			.tx_buf = adis->tx + 4,  in __adis_write_reg()
63 			.delay.value = adis->data->write_delay,  in __adis_write_reg()
65 			.cs_change_delay.value = adis->data->cs_change_delay,  in __adis_write_reg()
68 			.tx_buf = adis->tx + 6,  in __adis_write_reg()
71 			.delay.value = adis->data->write_delay,  in __adis_write_reg()
74 			.tx_buf = adis->tx + 8,  in __adis_write_reg()
77 			.delay.value = adis->data->write_delay,  in __adis_write_reg()
84 	if (adis->current_page != page) {  in __adis_write_reg()
85 		adis->tx[0] = ADIS_WRITE_REG(ADIS_REG_PAGE_ID);  in __adis_write_reg()
86 		adis->tx[1] = page;  in __adis_write_reg()
92 		adis->tx[8] = ADIS_WRITE_REG(reg + 3);  in __adis_write_reg()
93 		adis->tx[9] = (value >> 24) & 0xff;  in __adis_write_reg()
94 		adis->tx[6] = ADIS_WRITE_REG(reg + 2);  in __adis_write_reg()
95 		adis->tx[7] = (value >> 16) & 0xff;  in __adis_write_reg()
98 		adis->tx[4] = ADIS_WRITE_REG(reg + 1);  in __adis_write_reg()
99 		adis->tx[5] = (value >> 8) & 0xff;  in __adis_write_reg()
102 		adis->tx[2] = ADIS_WRITE_REG(reg);  in __adis_write_reg()
103 		adis->tx[3] = value & 0xff;  in __adis_write_reg()
114 	ret = spi_sync(adis->spi, &msg);  in __adis_write_reg()
116 		dev_err(&adis->spi->dev, "Failed to write register 0x%02X: %d\n",  in __adis_write_reg()
119 		adis->current_page = page;  in __adis_write_reg()
133 int __adis_read_reg(struct adis *adis, unsigned int reg, unsigned int *val,  in __adis_read_reg()  argument
141 			.tx_buf = adis->tx,  in __adis_read_reg()
145 			.delay.value = adis->data->write_delay,  in __adis_read_reg()
147 			.cs_change_delay.value = adis->data->cs_change_delay,  in __adis_read_reg()
150 			.tx_buf = adis->tx + 2,  in __adis_read_reg()
154 			.delay.value = adis->data->read_delay,  in __adis_read_reg()
156 			.cs_change_delay.value = adis->data->cs_change_delay,  in __adis_read_reg()
159 			.tx_buf = adis->tx + 4,  in __adis_read_reg()
160 			.rx_buf = adis->rx,  in __adis_read_reg()
164 			.delay.value = adis->data->read_delay,  in __adis_read_reg()
166 			.cs_change_delay.value = adis->data->cs_change_delay,  in __adis_read_reg()
169 			.rx_buf = adis->rx + 2,  in __adis_read_reg()
172 			.delay.value = adis->data->read_delay,  in __adis_read_reg()
179 	if (adis->current_page != page) {  in __adis_read_reg()
180 		adis->tx[0] = ADIS_WRITE_REG(ADIS_REG_PAGE_ID);  in __adis_read_reg()
181 		adis->tx[1] = page;  in __adis_read_reg()
187 		adis->tx[2] = ADIS_READ_REG(reg + 2);  in __adis_read_reg()
188 		adis->tx[3] = 0;  in __adis_read_reg()
192 		adis->tx[4] = ADIS_READ_REG(reg);  in __adis_read_reg()
193 		adis->tx[5] = 0;  in __adis_read_reg()
201 	ret = spi_sync(adis->spi, &msg);  in __adis_read_reg()
203 		dev_err(&adis->spi->dev, "Failed to read register 0x%02X: %d\n",  in __adis_read_reg()
208 	adis->current_page = page;  in __adis_read_reg()
212 		*val = get_unaligned_be32(adis->rx);  in __adis_read_reg()
215 		*val = get_unaligned_be16(adis->rx + 2);  in __adis_read_reg()
232 int __adis_update_bits_base(struct adis *adis, unsigned int reg, const u32 mask,  in __adis_update_bits_base()  argument
238 	ret = __adis_read_reg(adis, reg, &__val, size);  in __adis_update_bits_base()
244 	return __adis_write_reg(adis, reg, __val, size);  in __adis_update_bits_base()
253 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_debugfs_reg_access()  local
259 		ret = adis_read_reg_16(adis, reg, &val16);  in adis_debugfs_reg_access()
266 	return adis_write_reg_16(adis, reg, writeval);  in adis_debugfs_reg_access()
279 int adis_enable_irq(struct adis *adis, bool enable)  in adis_enable_irq()  argument
284 	mutex_lock(&adis->state_lock);  in adis_enable_irq()
286 	if (adis->data->enable_irq) {  in adis_enable_irq()
287 		ret = adis->data->enable_irq(adis, enable);  in adis_enable_irq()
291 	if (adis->data->unmasked_drdy) {  in adis_enable_irq()
293 			enable_irq(adis->spi->irq);  in adis_enable_irq()
295 			disable_irq(adis->spi->irq);  in adis_enable_irq()
300 	ret = __adis_read_reg_16(adis, adis->data->msc_ctrl_reg, &msc);  in adis_enable_irq()
311 	ret = __adis_write_reg_16(adis, adis->data->msc_ctrl_reg, msc);  in adis_enable_irq()
314 	mutex_unlock(&adis->state_lock);  in adis_enable_irq()
325 int __adis_check_status(struct adis *adis)  in __adis_check_status()  argument
331 	ret = __adis_read_reg_16(adis, adis->data->diag_stat_reg, &status);  in __adis_check_status()
335 	status &= adis->data->status_error_mask;  in __adis_check_status()
342 			dev_err(&adis->spi->dev, "%s.\n",  in __adis_check_status()
343 				adis->data->status_error_msgs[i]);  in __adis_check_status()
357 int __adis_reset(struct adis *adis)  in __adis_reset()  argument
360 	const struct adis_timeout *timeouts = adis->data->timeouts;  in __adis_reset()
362 	ret = __adis_write_reg_8(adis, adis->data->glob_cmd_reg,  in __adis_reset()
365 		dev_err(&adis->spi->dev, "Failed to reset device: %d\n", ret);  in __adis_reset()
375 static int adis_self_test(struct adis *adis)  in adis_self_test()  argument
378 	const struct adis_timeout *timeouts = adis->data->timeouts;  in adis_self_test()
380 	ret = __adis_write_reg_16(adis, adis->data->self_test_reg,  in adis_self_test()
381 				  adis->data->self_test_mask);  in adis_self_test()
383 		dev_err(&adis->spi->dev, "Failed to initiate self test: %d\n",  in adis_self_test()
390 	ret = __adis_check_status(adis);  in adis_self_test()
392 	if (adis->data->self_test_no_autoclear)  in adis_self_test()
393 		__adis_write_reg_16(adis, adis->data->self_test_reg, 0x00);  in adis_self_test()
415 int __adis_initial_startup(struct adis *adis)  in __adis_initial_startup()  argument
417 	const struct adis_timeout *timeouts = adis->data->timeouts;  in __adis_initial_startup()
423 	gpio = devm_gpiod_get_optional(&adis->spi->dev, "reset", GPIOD_OUT_HIGH);  in __adis_initial_startup()
433 		ret = __adis_reset(adis);  in __adis_initial_startup()
438 	ret = adis_self_test(adis);  in __adis_initial_startup()
447 	if (!adis->data->unmasked_drdy)  in __adis_initial_startup()
448 		adis_enable_irq(adis, false);  in __adis_initial_startup()
450 	if (!adis->data->prod_id_reg)  in __adis_initial_startup()
453 	ret = adis_read_reg_16(adis, adis->data->prod_id_reg, &prod_id);  in __adis_initial_startup()
457 	if (prod_id != adis->data->prod_id)  in __adis_initial_startup()
458 		dev_warn(&adis->spi->dev,  in __adis_initial_startup()
460 			 adis->data->prod_id, prod_id);  in __adis_initial_startup()
485 	struct adis *adis = iio_device_get_drvdata(indio_dev);  in adis_single_conversion()  local
489 	mutex_lock(&adis->state_lock);  in adis_single_conversion()
491 	ret = __adis_read_reg(adis, chan->address, &uval,  in adis_single_conversion()
497 		ret = __adis_check_status(adis);  in adis_single_conversion()
509 	mutex_unlock(&adis->state_lock);  in adis_single_conversion()
526 int adis_init(struct adis *adis, struct iio_dev *indio_dev,  in adis_init()  argument
534 	mutex_init(&adis->state_lock);  in adis_init()
535 	adis->spi = spi;  in adis_init()
536 	adis->data = data;  in adis_init()
537 	iio_device_set_drvdata(indio_dev, adis);  in adis_init()
541 		adis->current_page = -1;  in adis_init()
544 		adis->current_page = 0;  in adis_init()