1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Driver for the NXP ISP1760 chip
4 *
5 * Copyright 2021 Linaro, Rui Miguel Silva <rui.silva@linaro.org>
6 *
7 */
8
9 #include <dm.h>
10 #include <dm/device-internal.h>
11 #include <dm/device_compat.h>
12 #include <dm/devres.h>
13 #include <dm/lists.h>
14 #include <linux/bug.h>
15 #include <linux/io.h>
16 #include <linux/kernel.h>
17 #include <linux/usb/otg.h>
18 #include <linux/usb/usb_urb_compat.h>
19 #include <log.h>
20 #include <usb.h>
21
22 #include "isp1760-core.h"
23 #include "isp1760-hcd.h"
24 #include "isp1760-regs.h"
25 #include "isp1760-uboot.h"
26
isp1760_msg_submit_control(struct udevice * dev,struct usb_device * udev,unsigned long pipe,void * buffer,int length,struct devrequest * setup)27 static int isp1760_msg_submit_control(struct udevice *dev,
28 struct usb_device *udev,
29 unsigned long pipe, void *buffer,
30 int length, struct devrequest *setup)
31 {
32 struct isp1760_host_data *host = dev_get_priv(dev);
33
34 return usb_urb_submit_control(&host->hcd, &host->urb, &host->hep, udev,
35 pipe, buffer, length, setup, 0,
36 host->host_speed);
37 }
38
isp1760_msg_submit_bulk(struct udevice * dev,struct usb_device * udev,unsigned long pipe,void * buffer,int length)39 static int isp1760_msg_submit_bulk(struct udevice *dev, struct usb_device *udev,
40 unsigned long pipe, void *buffer, int length)
41 {
42 struct isp1760_host_data *host = dev_get_priv(dev);
43
44 return usb_urb_submit_bulk(&host->hcd, &host->urb, &host->hep, udev,
45 pipe, buffer, length);
46 }
47
isp1760_msg_submit_irq(struct udevice * dev,struct usb_device * udev,unsigned long pipe,void * buffer,int length,int interval,bool nonblock)48 static int isp1760_msg_submit_irq(struct udevice *dev, struct usb_device *udev,
49 unsigned long pipe, void *buffer, int length,
50 int interval, bool nonblock)
51 {
52 struct isp1760_host_data *host = dev_get_priv(dev);
53
54 return usb_urb_submit_irq(&host->hcd, &host->urb, &host->hep, udev,
55 pipe, buffer, length, interval);
56 }
57
isp1760_get_max_xfer_size(struct udevice * dev,size_t * size)58 static int isp1760_get_max_xfer_size(struct udevice *dev, size_t *size)
59 {
60 struct isp1760_host_data *host = dev_get_priv(dev);
61 struct isp1760_hcd *priv = host->hcd.hcd_priv;
62 const struct isp1760_memory_layout *mem = priv->memory_layout;
63
64 *size = mem->blocks_size[ISP176x_BLOCK_NUM - 1];
65
66 return 0;
67 }
68
69 struct dm_usb_ops isp1760_usb_ops = {
70 .control = isp1760_msg_submit_control,
71 .bulk = isp1760_msg_submit_bulk,
72 .interrupt = isp1760_msg_submit_irq,
73 .get_max_xfer_size = isp1760_get_max_xfer_size,
74 };
75