35 #define STX104_IN_CHAN(chan, diff) {					\  argument
43 	.differential = diff						\
56  * struct stx104_iio - IIO device private data structure
57  * @chan_out_states:	channels' output states
66  * struct stx104_gpio - GPIO device private data structure
90 		adc_config = inb(priv->base + 11);  in stx104_read_raw()
96 		if (chan->output) {  in stx104_read_raw()
97 			*val = priv->chan_out_states[chan->channel];  in stx104_read_raw()
102 		outb(chan->channel | (chan->channel << 4), priv->base + 2);  in stx104_read_raw()
105 		outb(0, priv->base);  in stx104_read_raw()
106 		while (inb(priv->base + 8) & BIT(7));  in stx104_read_raw()
108 		*val = inw(priv->base);  in stx104_read_raw()
112 		adc_config = inb(priv->base + 11);  in stx104_read_raw()
115 		*val = -32768 * adbu;  in stx104_read_raw()
119 		adc_config = inb(priv->base + 11);  in stx104_read_raw()
124 		*val2 = 15 - adbu + gain;  in stx104_read_raw()
128 	return -EINVAL;  in stx104_read_raw()
141 			outb(0, priv->base + 11);  in stx104_write_raw()
144 			outb(1, priv->base + 11);  in stx104_write_raw()
147 			outb(2, priv->base + 11);  in stx104_write_raw()
150 			outb(3, priv->base + 11);  in stx104_write_raw()
153 			return -EINVAL;  in stx104_write_raw()
158 		if (chan->output) {  in stx104_write_raw()
159 			/* DAC can only accept up to a 16-bit value */  in stx104_write_raw()
161 				return -EINVAL;  in stx104_write_raw()
163 			priv->chan_out_states[chan->channel] = val;  in stx104_write_raw()
164 			outw(val, priv->base + 4 + 2 * chan->channel);  in stx104_write_raw()
168 		return -EINVAL;  in stx104_write_raw()
171 	return -EINVAL;  in stx104_write_raw()
179 /* single-ended input channels configuration */
189 /* differential input channels configuration */
200 	/* GPIO 0-3 are input only, while the rest are output only */  in stx104_gpio_get_direction()
211 		return -EINVAL;  in stx104_gpio_direction_input()
220 		return -EINVAL;  in stx104_gpio_direction_output()
222 	chip->set(chip, offset, value);  in stx104_gpio_direction_output()
231 		return -EINVAL;  in stx104_gpio_get()
233 	return !!(inb(stx104gpio->base) & BIT(offset));  in stx104_gpio_get()
241 	*bits = inb(stx104gpio->base);  in stx104_gpio_get_multiple()
256 	spin_lock_irqsave(&stx104gpio->lock, flags);  in stx104_gpio_set()
259 		stx104gpio->out_state |= mask;  in stx104_gpio_set()
261 		stx104gpio->out_state &= ~mask;  in stx104_gpio_set()
263 	outb(stx104gpio->out_state, stx104gpio->base);  in stx104_gpio_set()
265 	spin_unlock_irqrestore(&stx104gpio->lock, flags);  in stx104_gpio_set()
286 	spin_lock_irqsave(&stx104gpio->lock, flags);  in stx104_gpio_set_multiple()
288 	stx104gpio->out_state &= ~*mask;  in stx104_gpio_set_multiple()
289 	stx104gpio->out_state |= *mask & *bits;  in stx104_gpio_set_multiple()
290 	outb(stx104gpio->out_state, stx104gpio->base);  in stx104_gpio_set_multiple()
292 	spin_unlock_irqrestore(&stx104gpio->lock, flags);  in stx104_gpio_set_multiple()
304 		return -ENOMEM;  in stx104_probe()
308 		return -ENOMEM;  in stx104_probe()
312 		dev_err(dev, "Unable to lock port addresses (0x%X-0x%X)\n",  in stx104_probe()
314 		return -EBUSY;  in stx104_probe()
317 	indio_dev->info = &stx104_info;  in stx104_probe()
318 	indio_dev->modes = INDIO_DIRECT_MODE;  in stx104_probe()
322 		indio_dev->num_channels = ARRAY_SIZE(stx104_channels_diff);  in stx104_probe()
323 		indio_dev->channels = stx104_channels_diff;  in stx104_probe()
325 		indio_dev->num_channels = ARRAY_SIZE(stx104_channels_sing);  in stx104_probe()
326 		indio_dev->channels = stx104_channels_sing;  in stx104_probe()
329 	indio_dev->name = dev_name(dev);  in stx104_probe()
330 	indio_dev->dev.parent = dev;  in stx104_probe()
333 	priv->base = base[id];  in stx104_probe()
345 	stx104gpio->chip.label = dev_name(dev);  in stx104_probe()
346 	stx104gpio->chip.parent = dev;  in stx104_probe()
347 	stx104gpio->chip.owner = THIS_MODULE;  in stx104_probe()
348 	stx104gpio->chip.base = -1;  in stx104_probe()
349 	stx104gpio->chip.ngpio = STX104_NGPIO;  in stx104_probe()
350 	stx104gpio->chip.names = stx104_names;  in stx104_probe()
351 	stx104gpio->chip.get_direction = stx104_gpio_get_direction;  in stx104_probe()
352 	stx104gpio->chip.direction_input = stx104_gpio_direction_input;  in stx104_probe()
353 	stx104gpio->chip.direction_output = stx104_gpio_direction_output;  in stx104_probe()
354 	stx104gpio->chip.get = stx104_gpio_get;  in stx104_probe()
355 	stx104gpio->chip.get_multiple = stx104_gpio_get_multiple;  in stx104_probe()
356 	stx104gpio->chip.set = stx104_gpio_set;  in stx104_probe()
357 	stx104gpio->chip.set_multiple = stx104_gpio_set_multiple;  in stx104_probe()
358 	stx104gpio->base = base[id] + 3;  in stx104_probe()
359 	stx104gpio->out_state = 0x0;  in stx104_probe()
361 	spin_lock_init(&stx104gpio->lock);  in stx104_probe()
363 	err = devm_gpiochip_add_data(dev, &stx104gpio->chip, stx104gpio);  in stx104_probe()