47 #include <dev/ofw/ofw_bus.h>
48 #include <dev/ofw/ofw_bus_subr.h>
51 #include <dev/iicbus/iiconf.h>
52 #include <dev/iicbus/iicbus.h>
66 	device_t	dev;		/* Myself */  member
70 	int		type;		/* What address type 8 or 16 bit? */
83 	{ 8,        128,   8, "AT24C01"},
84 	{ 8,        256,   8, "AT24C02"},
85 	{ 8,        512,  16, "AT24C04"},
86 	{ 8,       1024,  16, "AT24C08"},
87 	{ 8,   2 * 1024,  16, "AT24C16"},
89 	{16,   8 * 1024,  32, "AT24C64"},
105 	{"atmel,24c256",  (uintptr_t)(&type_desc[8])},
112 #define CDEV2SOFTC(dev)		((dev)->si_drv1)  argument
126 icee_probe(device_t dev)  in icee_probe()  argument
131 	if (!ofw_bus_status_okay(dev))  in icee_probe()
135 	    ofw_bus_search_compatible(dev, compat_data)->ocd_data;  in icee_probe()
137 		device_set_desc(dev, d->name);  in icee_probe()
141 	device_set_desc(dev, "I2C EEPROM");  in icee_probe()
154 	    ofw_bus_search_compatible(sc->dev, compat_data)->ocd_data;  in icee_init()
162 	dname = device_get_name(sc->dev);  in icee_init()
163 	dunit = device_get_unit(sc->dev);  in icee_init()
174 icee_attach(device_t dev)  in icee_attach()  argument
176 	struct icee_softc *sc = device_get_softc(dev);  in icee_attach()
180 	sc->dev = dev;  in icee_attach()
181 	sc->addr = iicbus_get_addr(dev);  in icee_attach()
185 		device_printf(dev, "size: %d bytes, addressing: %d-bits\n",  in icee_attach()
187 	sc->cdev = make_dev(&icee_cdevsw, device_get_unit(dev), UID_ROOT,  in icee_attach()
188 	    GID_WHEEL, 0600, "icee%d", device_get_unit(dev));  in icee_attach()
194 	ctx = device_get_sysctl_ctx(dev);  in icee_attach()
195 	tree = SYSCTL_CHILDREN(device_get_sysctl_tree(dev));  in icee_attach()
207 icee_detach(device_t dev)  in icee_detach()  argument
209 	struct icee_softc *sc = device_get_softc(dev);  in icee_detach()
216 icee_read(struct cdev *dev, struct uio *uio, int ioflag)  in icee_read()  argument
227 	sc = CDEV2SOFTC(dev);  in icee_read()
232 	if (sc->type != 8 && sc->type != 16)  in icee_read()
241 		case 8:  in icee_read()
251 			addr[0] = (uio->uio_offset >> 8) & 0xff;  in icee_read()
257 		error = iicbus_transfer_excl(sc->dev, msgs, 2, IIC_INTRWAIT);  in icee_read()
276 icee_write(struct cdev *dev, struct uio *uio, int ioflag)  in icee_write()  argument
288 	sc = CDEV2SOFTC(dev);  in icee_write()
291 	if (sc->type != 8 && sc->type != 16)  in icee_write()
301 		case 8:  in icee_write()
309 			data[0] = (uio->uio_offset >> 8) & 0xff;  in icee_write()
314 		error = uiomove(data + sc->type / 8, len, uio);  in icee_write()
317 		error = iicbus_transfer_excl(sc->dev, wr, 1, IIC_INTRWAIT);  in icee_write()
326 			error = iicbus_transfer_excl(sc->dev, rd, 1,  in icee_write()