Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Sonics Silicon Backplane
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Broadcom USB-core driver  (SSB bus glue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Copyright 2011-2012 Hauke Mehrtens <hauke@hauke-m.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Based on ssb-ohci driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Copyright 2007 Michael Buesch <m@bues.ch>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * Derived from the OHCI-PCI driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * Copyright 1999 Roman Weissgaerber
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * Copyright 2000-2002 David Brownell
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * Copyright 1999 Linus Torvalds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * Copyright 1999 Gregory P. Smith
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  * Derived from the USBcore related parts of Broadcom-SB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * Copyright 2005-2011 Broadcom Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/ssb/ssb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #include <linux/usb/ehci_pdriver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <linux/usb/ohci_pdriver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) MODULE_AUTHOR("Hauke Mehrtens");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) MODULE_DESCRIPTION("Common USB driver for SSB Bus");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define SSB_HCD_TMSLOW_HOSTMODE	(1 << 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) struct ssb_hcd_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	struct platform_device *ehci_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	struct platform_device *ohci_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	u32 enable_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) static void ssb_hcd_5354wa(struct ssb_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #ifdef CONFIG_SSB_DRIVER_MIPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	/* Work around for 5354 failures */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	if (dev->id.revision == 2 && dev->bus->chip_id == 0x5354) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 		/* Change syn01 reg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		ssb_write32(dev, 0x894, 0x00fe00fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		/* Change syn03 reg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		ssb_write32(dev, 0x89c, ssb_read32(dev, 0x89c) | 0x1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) static void ssb_hcd_usb20wa(struct ssb_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	if (dev->id.coreid == SSB_DEV_USB20_HOST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		 * USB 2.0 special considerations:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		 * In addition to the standard SSB reset sequence, the Host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		 * Control Register must be programmed to bring the USB core
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 		 * and various phy components out of reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		ssb_write32(dev, 0x200, 0x7ff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		/* Change Flush control reg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		ssb_write32(dev, 0x400, ssb_read32(dev, 0x400) & ~8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 		ssb_read32(dev, 0x400);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		/* Change Shim control reg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		ssb_write32(dev, 0x304, ssb_read32(dev, 0x304) & ~0x100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		ssb_read32(dev, 0x304);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		ssb_hcd_5354wa(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) /* based on arch/mips/brcm-boards/bcm947xx/pcibios.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) static u32 ssb_hcd_init_chip(struct ssb_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	u32 flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		/* Put the device into host-mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		flags |= SSB_HCD_TMSLOW_HOSTMODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	ssb_device_enable(dev, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	ssb_hcd_usb20wa(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	return flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) static const struct usb_ehci_pdata ehci_pdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static const struct usb_ohci_pdata ohci_pdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static struct platform_device *ssb_hcd_create_pdev(struct ssb_device *dev, bool ohci, u32 addr, u32 len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	struct platform_device *hci_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	struct resource hci_res[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	memset(hci_res, 0, sizeof(hci_res));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	hci_res[0].start = addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	hci_res[0].end = hci_res[0].start + len - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	hci_res[0].flags = IORESOURCE_MEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	hci_res[1].start = dev->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	hci_res[1].flags = IORESOURCE_IRQ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	hci_dev = platform_device_alloc(ohci ? "ohci-platform" :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 					"ehci-platform" , 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	if (!hci_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 		return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	hci_dev->dev.parent = dev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	hci_dev->dev.dma_mask = &hci_dev->dev.coherent_dma_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	ret = platform_device_add_resources(hci_dev, hci_res,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 					    ARRAY_SIZE(hci_res));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		goto err_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	if (ohci)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 		ret = platform_device_add_data(hci_dev, &ohci_pdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 					       sizeof(ohci_pdata));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		ret = platform_device_add_data(hci_dev, &ehci_pdata,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 					       sizeof(ehci_pdata));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 		goto err_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	ret = platform_device_add(hci_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		goto err_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	return hci_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) err_alloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	platform_device_put(hci_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static int ssb_hcd_probe(struct ssb_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 				   const struct ssb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	int err, tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	int start, len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	u16 chipid_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	u16 coreid = dev->id.coreid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	struct ssb_hcd_device *usb_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	/* USBcores are only connected on embedded devices. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	chipid_top = (dev->bus->chip_id & 0xFF00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	if (chipid_top != 0x4700 && chipid_top != 0x5300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	/* TODO: Probably need checks here; is the core connected? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	if (dma_set_mask_and_coherent(dev->dma_dev, DMA_BIT_MASK(32)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	usb_dev = devm_kzalloc(dev->dev, sizeof(struct ssb_hcd_device),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 			       GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	if (!usb_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	/* We currently always attach SSB_DEV_USB11_HOSTDEV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	 * as HOST OHCI. If we want to attach it as Client device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	 * we must branch here and call into the (yet to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	 * be written) Client mode driver. Same for remove(). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	usb_dev->enable_flags = ssb_hcd_init_chip(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	tmp = ssb_read32(dev, SSB_ADMATCH0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	start = ssb_admatch_base(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	len = (coreid == SSB_DEV_USB20_HOST) ? 0x800 : ssb_admatch_size(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	usb_dev->ohci_dev = ssb_hcd_create_pdev(dev, true, start, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	if (IS_ERR(usb_dev->ohci_dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		return PTR_ERR(usb_dev->ohci_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	if (coreid == SSB_DEV_USB20_HOST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		start = ssb_admatch_base(tmp) + 0x800; /* ehci core offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		usb_dev->ehci_dev = ssb_hcd_create_pdev(dev, false, start, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		if (IS_ERR(usb_dev->ehci_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 			err = PTR_ERR(usb_dev->ehci_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 			goto err_unregister_ohci_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	ssb_set_drvdata(dev, usb_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) err_unregister_ohci_dev:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	platform_device_unregister(usb_dev->ohci_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) static void ssb_hcd_remove(struct ssb_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	struct ssb_hcd_device *usb_dev = ssb_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	struct platform_device *ohci_dev = usb_dev->ohci_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	struct platform_device *ehci_dev = usb_dev->ehci_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	if (ohci_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 		platform_device_unregister(ohci_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	if (ehci_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		platform_device_unregister(ehci_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	ssb_device_disable(dev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static void ssb_hcd_shutdown(struct ssb_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	ssb_device_disable(dev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static int ssb_hcd_suspend(struct ssb_device *dev, pm_message_t state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	ssb_device_disable(dev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static int ssb_hcd_resume(struct ssb_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	struct ssb_hcd_device *usb_dev = ssb_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	ssb_device_enable(dev, usb_dev->enable_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) #else /* !CONFIG_PM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) #define ssb_hcd_suspend	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) #define ssb_hcd_resume	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) #endif /* CONFIG_PM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) static const struct ssb_device_id ssb_hcd_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	{},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) MODULE_DEVICE_TABLE(ssb, ssb_hcd_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static struct ssb_driver ssb_hcd_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	.name		= KBUILD_MODNAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	.id_table	= ssb_hcd_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 	.probe		= ssb_hcd_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	.remove		= ssb_hcd_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	.shutdown	= ssb_hcd_shutdown,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	.suspend	= ssb_hcd_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	.resume		= ssb_hcd_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) static int __init ssb_hcd_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	return ssb_driver_register(&ssb_hcd_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) module_init(ssb_hcd_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) static void __exit ssb_hcd_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	ssb_driver_unregister(&ssb_hcd_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) module_exit(ssb_hcd_exit);