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 <common.h>
10 #include <dm.h>
11 #include <dm/device-internal.h>
12 #include <dm/device_compat.h>
13 #include <dm/devres.h>
14 #include <dm/lists.h>
15 #include <linux/bug.h>
16 #include <linux/io.h>
17 #include <linux/kernel.h>
18 #include <linux/usb/otg.h>
19 #include <linux/usb/usb_urb_compat.h>
20 #include <log.h>
21 #include <usb.h>
22
23 #include "isp1760-core.h"
24 #include "isp1760-hcd.h"
25 #include "isp1760-regs.h"
26 #include "isp1760-uboot.h"
27
isp1760_msg_submit_control(struct udevice * dev,struct usb_device * udev,unsigned long pipe,void * buffer,int length,struct devrequest * setup)28 static int isp1760_msg_submit_control(struct udevice *dev,
29 struct usb_device *udev,
30 unsigned long pipe, void *buffer,
31 int length, struct devrequest *setup)
32 {
33 struct isp1760_host_data *host = dev_get_priv(dev);
34
35 return usb_urb_submit_control(&host->hcd, &host->urb, &host->hep, udev,
36 pipe, buffer, length, setup, 0,
37 host->host_speed);
38 }
39
isp1760_msg_submit_bulk(struct udevice * dev,struct usb_device * udev,unsigned long pipe,void * buffer,int length)40 static int isp1760_msg_submit_bulk(struct udevice *dev, struct usb_device *udev,
41 unsigned long pipe, void *buffer, int length)
42 {
43 struct isp1760_host_data *host = dev_get_priv(dev);
44
45 return usb_urb_submit_bulk(&host->hcd, &host->urb, &host->hep, udev,
46 pipe, buffer, length);
47 }
48
isp1760_msg_submit_irq(struct udevice * dev,struct usb_device * udev,unsigned long pipe,void * buffer,int length,int interval,bool nonblock)49 static int isp1760_msg_submit_irq(struct udevice *dev, struct usb_device *udev,
50 unsigned long pipe, void *buffer, int length,
51 int interval, bool nonblock)
52 {
53 struct isp1760_host_data *host = dev_get_priv(dev);
54
55 return usb_urb_submit_irq(&host->hcd, &host->urb, &host->hep, udev,
56 pipe, buffer, length, interval);
57 }
58
isp1760_get_max_xfer_size(struct udevice * dev,size_t * size)59 static int isp1760_get_max_xfer_size(struct udevice *dev, size_t *size)
60 {
61 struct isp1760_host_data *host = dev_get_priv(dev);
62 struct isp1760_hcd *priv = host->hcd.hcd_priv;
63 const struct isp1760_memory_layout *mem = priv->memory_layout;
64
65 *size = mem->blocks_size[ISP176x_BLOCK_NUM - 1];
66
67 return 0;
68 }
69
70 struct dm_usb_ops isp1760_usb_ops = {
71 .control = isp1760_msg_submit_control,
72 .bulk = isp1760_msg_submit_bulk,
73 .interrupt = isp1760_msg_submit_irq,
74 .get_max_xfer_size = isp1760_get_max_xfer_size,
75 };
76