Differential D25261 Diff 75291 head/sys/arm/broadcom/bcm2835/bcm2835_mbox.c

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head/sys/arm/broadcom/bcm2835/bcm2835_mbox.c

Show First 20 Lines • Show All 391 Lines • ▼ Show 20 Lines	bcm2835_mbox_err(device_t dev, bus_addr_t msg_phys, uint32_t resp_phys,

return (0);		return (0);
}		}

int		int
bcm2835_mbox_property(void *msg, size_t msg_size)		bcm2835_mbox_property(void *msg, size_t msg_size)
{		{
struct bcm_mbox_softc *sc;		struct bcm_mbox_softc *sc;
struct msg_set_power_state *buf;
bus_dma_tag_t msg_tag;		bus_dma_tag_t msg_tag;
bus_dmamap_t msg_map;		bus_dmamap_t msg_map;
bus_addr_t msg_phys;		bus_addr_t msg_phys;
		char *buf;
uint32_t reg;		uint32_t reg;
device_t mbox;		device_t mbox;
int err;		int err;

/* get mbox device */		/* get mbox device */
mbox = devclass_get_device(devclass_find("mbox"), 0);		mbox = devclass_get_device(devclass_find("mbox"), 0);
if (mbox == NULL)		if (mbox == NULL)
return (ENXIO);		return (ENXIO);
▲ Show 20 Lines • Show All 51 Lines • ▼ Show 20 Lines	bcm2835_mbox_set_power_state(uint32_t device_id, boolean_t on)
msg.end_tag = 0;		msg.end_tag = 0;

err = bcm2835_mbox_property(&msg, sizeof(msg));		err = bcm2835_mbox_property(&msg, sizeof(msg));

return (err);		return (err);
}		}

int		int
		bcm2835_mbox_notify_xhci_reset(uint32_t pci_dev_addr)
		{
		struct msg_notify_xhci_reset msg;
		int err;

		memset(&msg, 0, sizeof(msg));
		msg.hdr.buf_size = sizeof(msg);
		msg.hdr.code = BCM2835_MBOX_CODE_REQ;
		msg.tag_hdr.tag = BCM2835_MBOX_TAG_NOTIFY_XHCI_RESET;
		msg.tag_hdr.val_buf_size = sizeof(msg.body);
		msg.tag_hdr.val_len = sizeof(msg.body.req);
		msg.body.req.pci_device_addr = pci_dev_addr;
		msg.end_tag = 0;

		err = bcm2835_mbox_property(&msg, sizeof(msg));

		return (err);
		}

		int
bcm2835_mbox_get_clock_rate(uint32_t clock_id, uint32_t *hz)		bcm2835_mbox_get_clock_rate(uint32_t clock_id, uint32_t *hz)
{		{
struct msg_get_clock_rate msg;		struct msg_get_clock_rate msg;
int err;		int err;

memset(&msg, 0, sizeof(msg));		memset(&msg, 0, sizeof(msg));
msg.hdr.buf_size = sizeof(msg);		msg.hdr.buf_size = sizeof(msg);
msg.hdr.code = BCM2835_MBOX_CODE_REQ;		msg.hdr.code = BCM2835_MBOX_CODE_REQ;
▲ Show 20 Lines • Show All 88 Lines • ▼ Show 20 Lines	if (err == 0) {
fb->yoffset = msg.offset.body.resp.y;		fb->yoffset = msg.offset.body.resp.y;
fb->pitch = msg.pitch.body.resp.pitch;		fb->pitch = msg.pitch.body.resp.pitch;
fb->base = VCBUS_TO_ARMC(msg.buffer.body.resp.fb_address);		fb->base = VCBUS_TO_ARMC(msg.buffer.body.resp.fb_address);
fb->size = msg.buffer.body.resp.fb_size;		fb->size = msg.buffer.body.resp.fb_size;
}		}

return (err);		return (err);
}		}