23  *   [0] - I/O port base address
39 #define PCM3724_8255_0_BASE		0x00
40 #define PCM3724_8255_1_BASE		0x04
41 #define PCM3724_DIO_DIR_REG		0x08
42 #define PCM3724_DIO_DIR_C0_OUT		BIT(0)
48 #define PCM3724_GATE_CTRL_REG		0x09
49 #define PCM3724_GATE_CTRL_C0_ENA	BIT(0)
65 	if (s->io_bits & 0x0000ff) {  in compute_buffer()
66 		if (devno == 0)  in compute_buffer()
71 	if (s->io_bits & 0x00ff00) {  in compute_buffer()
72 		if (devno == 0)  in compute_buffer()
77 	if (s->io_bits & 0xff0000) {  in compute_buffer()
78 		if (devno == 0)  in compute_buffer()
89 	struct comedi_subdevice *s_dio1 = &dev->subdevices[0];  in do_3724_config()
98 	if (!(s->io_bits & 0x0000ff))  in do_3724_config()
101 	if (!(s->io_bits & 0x00ff00))  in do_3724_config()
104 	if (!(s->io_bits & 0xff0000))  in do_3724_config()
107 	buffer_config = compute_buffer(0, 0, s_dio1);  in do_3724_config()
124 	struct comedi_subdevice *s_dio1 = &dev->subdevices[0];  in enable_chan()
128 	gatecfg = 0;  in enable_chan()
136 	if (priv->dio_1 & 0xff0000)  in enable_chan()
139 	if (priv->dio_1 & 0xff00)  in enable_chan()
142 	if (priv->dio_1 & 0xff)  in enable_chan()
145 	if (priv->dio_2 & 0xff0000)  in enable_chan()
148 	if (priv->dio_2 & 0xff00)  in enable_chan()
151 	if (priv->dio_2 & 0xff)  in enable_chan()
168 		mask = 0x0000ff;  in subdev_3724_insn_config()
170 		mask = 0x00ff00;  in subdev_3724_insn_config()
172 		mask = 0x0f0000;  in subdev_3724_insn_config()
174 		mask = 0xf00000;  in subdev_3724_insn_config()
197 	ret = comedi_request_region(dev, it->options[0], 0x10);  in pcm3724_attach()
205 	for (i = 0; i < dev->n_subdevices; i++) {  in pcm3724_attach()
212 	return 0;  in pcm3724_attach()