From db4afad0c41b24a9f9f1e7a3eea67664a4b747f6 Mon Sep 17 00:00:00 2001 From: "don.hong" Date: Tue, 3 Jan 2012 20:51:53 +0900 Subject: [PATCH] [Title] Removed unnecessary files and modified boilerplate [Type] Enahncement [Module] [Priority] [CQ#] [Redmine#] [Problem] [Cause] [Solution] [TestCase] --- debian/changelog | 89 - debian/control | 12 - debian/copyright | 6 - debian/debhelper.log | 9 - debian/rules | 43 - drivers/media/video/svcd.c | 2 +- drivers/media/video/svo.c | 2 +- drivers/samsung/Accelerator.c | 385 ---- drivers/samsung/Accelerator.c.rtl8139 | 2624 ---------------------- drivers/samsung/emul_codec.c | 2 +- drivers/samsung/emul_lcd.c | 26 +- drivers/video/backlight/emul_backlight.c | 2 +- 12 files changed, 28 insertions(+), 3174 deletions(-) delete mode 100644 debian/changelog delete mode 100644 debian/control delete mode 100644 debian/copyright delete mode 100644 debian/debhelper.log delete mode 100755 debian/rules delete mode 100644 drivers/samsung/Accelerator.c delete mode 100755 drivers/samsung/Accelerator.c.rtl8139 diff --git a/debian/changelog b/debian/changelog deleted file mode 100644 index 9359896069c6..000000000000 --- a/debian/changelog +++ /dev/null @@ -1,89 +0,0 @@ -samsung-sdk-simulator-kernel (1.0-24) lucid; urgency=low - - * packaging for RC7 - - -- yoosah Wed, 08 Jun 2011 20:49:27 +0900 - -samsung-sdk-simulator-kernel (1.0-23) lucid; urgency=low - - * packaging for RC4 - - -- yoosah Wed, 20 Apr 2011 19:28:45 +0900 - -samsung-sdk-simulator-kernel (1.0-16) slp2-sdk-ubuntu8; urgency=low - - * update logger(driver/stagging/android) - - -- DongHee, Yang Thu, 10 Feb 2011 14:24:59 +0900 - -samsung-sdk-simulator-kernel (1.0-15) slp2-sdk-ubuntu8; urgency=low - - * applied security patches - - -- DongHee, Yang Tue, 08 Feb 2011 10:50:48 +0900 - -samsung-sdk-simulator-kernel (1.0-14) slp2-sdk-ubuntu8; urgency=low - - * Add sensor device - - -- Sunghyun Kwon Wed, 27 Oct 2010 11:43:15 +0900 - -samsung-sdk-simulator-kernel (1.0-12) slp2-sdk-ubuntu8; urgency=low - - * Add the virtio module - - -- Sunghyun Kwon Thu, 30 Sep 2010 11:54:04 +0900 - -samsung-sdk-simulator-kernel (1.0-11) hardy; urgency=low - - * dummy - - -- shkwon Thu, 30 Sep 2010 11:53:32 +0900 - -samsung-sdk-simulator-kernel (1.0-10) hardy; urgency=low - - * dummy - - -- shkwon Thu, 30 Sep 2010 11:52:48 +0900 - -samsung-sdk-simulator-kernel (1.0-9) slp2-sdk-ubuntu8; urgency=low - - * Add image mount function in initramfs - - -- Sunghyun Kwon Thu, 16 Sep 2010 08:54:58 +0900 - -samsung-sdk-simulator-kernel (1.0-8) slp2-sdk-ubuntu8; urgency=low - - * Patch SOCK_CLOEXEC option - - -- Sunghyun Kwon Wed, 08 Sep 2010 14:46:31 +0900 - -samsung-sdk-simulator-kernel (1.0-5) slp2-sdk-ubuntu8; urgency=low - - * Modified vdpram and dpram - - -- Sunghyun Kwon Thu, 10 Jun 2010 21:44:30 +0900 - -samsung-sdk-simulator-kernel (1.0-4) slp2-sdk-ubuntu8; urgency=low - - * Add log device (android logger) - - -- Sunghyun Kwon Fri, 08 Jan 2010 15:21:53 +0900 - -samsung-sdk-simulator-kernel (1.0-3) slp2-sdk-ubuntu8; urgency=low - - * Version up - - -- Sunghyun Kwon Fri, 07 May 2010 08:56:57 +0900 - -samsung-sdk-simulator-kernel (1.0-2) slp2-sdk-ubuntu8; urgency=low - - * Add arm kernel image - - -- Sunghyun Kwon Tue, 30 Mar 2010 22:18:10 +0900 - -samsung-sdk-simulator-kernel (1.0-1) slp2-sdk-ubuntu8; urgency=low - - * Initial debianization - - -- Mike McCormack Sat, 21 Nov 2009 10:53:28 +0900 diff --git a/debian/control b/debian/control deleted file mode 100644 index 45506577fc9e..000000000000 --- a/debian/control +++ /dev/null @@ -1,12 +0,0 @@ -Source: samsung-sdk-simulator-kernel -Section: devel -Priority: extra -Maintainer: DongKyun Yun -Build-Depends: bison, flex, autoconf, gcc, libglu1-mesa-dev, libsdl1.2-dev, libgtk2.0-dev, libsdl-image1.2-dev, libsdl-gfx1.2-dev, debhelper, libxml2-dev, libasound2-dev -Vcs-Git: ssh://id@165.213.180.234:/git/xo-sdk/simulator - -Package: samsung-sdk-simulator-kernel -Architecture: i386 -Depends: libglu1-mesa, libsdl1.2debian-alsa, libsdl-gfx1.2-4, libsdl-image1.2, libgtk2.0-0 -Description: Samsung SDK Simulator Kernel (initrd and bzImage) - QEMU based simulator kernel for Samsung LiMo based devices diff --git a/debian/copyright b/debian/copyright deleted file mode 100644 index 954bd8efe93b..000000000000 --- a/debian/copyright +++ /dev/null @@ -1,6 +0,0 @@ -This package was debianized by Mike McCormack -Wed, 11 Nov 1998 21:02:14 +0100. - -Copyright: -(c) 2009 Samsung Electronics, Inc. - diff --git a/debian/debhelper.log b/debian/debhelper.log deleted file mode 100644 index a36e258e5364..000000000000 --- a/debian/debhelper.log +++ /dev/null @@ -1,9 +0,0 @@ -dh_installdirs -dh_strip -dh_compress -dh_fixperms -dh_installdeb -dh_shlibdeps -dh_gencontrol -dh_md5sums -dh_builddeb diff --git a/debian/rules b/debian/rules deleted file mode 100755 index 5e8b639ba157..000000000000 --- a/debian/rules +++ /dev/null @@ -1,43 +0,0 @@ -#!/usr/bin/make -f - -package=samsung-sdk-simulator - -ARM_KERNEL = arm-kernel -CC = gcc - -export DH_VERBOSE=1 - -build: - $(MAKE) bzImage -# cd $(CURDIR)/$(INITRD_SRCDIR) && $(MAKE) -binary: - -clean: - dh_testdir - dh_clean - rm -rf debian/tmp debian/files* debian/substvars - rm -f build - $(MAKE) clean - -install: build - dh_clean - dh_installdirs - mkdir -p $(CURDIR)/debian/tmp/opt/samsung_sdk/simulator/data/kernel-img - cp -f $(CURDIR)/arch/x86/boot/bzImage $(CURDIR)/debian/tmp/opt/samsung_sdk/simulator/data/kernel-img/ - cp -f $(CURDIR)/$(ARM_KERNEL)/* $(CURDIR)/debian/tmp/opt/samsung_sdk/simulator/data/kernel-img/ - -binary-arch: install - dh_testdir -a - dh_testroot -a - dh_strip -a - dh_compress -a - dh_fixperms -a - dh_installdeb -a - dh_shlibdeps -a - dh_gencontrol -a - dh_md5sums -a - dh_builddeb -a - -binary: binary-indep binary-arch - -.PHONY: binary binary-arch binary-indep clean checkroot diff --git a/drivers/media/video/svcd.c b/drivers/media/video/svcd.c index 17e42b931606..8c6bc2c19261 100755 --- a/drivers/media/video/svcd.c +++ b/drivers/media/video/svcd.c @@ -1,7 +1,7 @@ /* * Samsung Virtual Camera Driver * - * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved. + * Copyright (c) 2011 - 2012 Samsung Electronics Co., Ltd. All rights reserved. * * Contact: * Jinhyung Jo diff --git a/drivers/media/video/svo.c b/drivers/media/video/svo.c index fb9586e63e36..36fe67a7a9c2 100755 --- a/drivers/media/video/svo.c +++ b/drivers/media/video/svo.c @@ -1,7 +1,7 @@ /* * Samsung Virtual Overlay Driver * - * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved. + * Copyright (c) 2011 - 2012 Samsung Electronics Co., Ltd. All rights reserved. * * Contact: * Hyunjun Son diff --git a/drivers/samsung/Accelerator.c b/drivers/samsung/Accelerator.c deleted file mode 100644 index e59d0b54fa9f..000000000000 --- a/drivers/samsung/Accelerator.c +++ /dev/null @@ -1,385 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -#define DRIVER_NAME "HW_Accelerator" -#define PCI_DEVICE_ID_VIRTIO_OPENGL 0x1004 - -#define ACCEL_DEV_MAJOR 240 -#define ACCEL_DEV_NAME "opengl" - -#define MIN(x,y) ((xmm->pgd); -#endif - if(!find_vma(pcb_tmp->mm,va)){ - printk(KERN_INFO"virt_addr 0x%lx not available.\n",va); - return 0; - } - - pgd_tmp = pgd_offset(pcb_tmp->mm,va); -// printk(KERN_INFO"pgd_tmp = 0x%p\n",pgd_tmp); -// printk(KERN_INFO"pgd_val(*pgd_tmp) = 0x%lx\n",pgd_val(*pgd_tmp)); - if(pgd_none(*pgd_tmp)){ - printk(KERN_INFO"Not mapped in pgd.\n"); - return 0; - } - pud_tmp = pud_offset(pgd_tmp,va); -// printk(KERN_INFO"pud_tmp = 0x%p\n",pud_tmp); -// printk(KERN_INFO"pud_val(*pud_tmp) = 0x%lx\n",pud_val(*pud_tmp)); - if(pud_none(*pud_tmp)){ - printk(KERN_INFO"Not mapped in pud.\n"); - return 0; - } - pmd_tmp = pmd_offset(pud_tmp,va); -// printk(KERN_INFO"pmd_tmp = 0x%p\n",pmd_tmp); -// printk(KERN_INFO"pmd_val(*pmd_tmp) = 0x%lx\n",pmd_val(*pmd_tmp)); - if(pmd_none(*pmd_tmp)){ - printk(KERN_INFO"Not mapped in pmd.\n"); - return 0; - } - - pte_tmp = pte_offset_kernel(pmd_tmp,va); - -// printk(KERN_INFO"pte_tmp = 0x%p\n",pte_tmp); -// printk(KERN_INFO"pte_val(*pte_tmp) = 0x%lx\n",pte_val(*pte_tmp)); - if(pte_none(*pte_tmp)){ - printk(KERN_INFO"Not mapped in pte.\n"); - return 0; - } - if(!pte_present(*pte_tmp)){ - printk(KERN_INFO"pte not in RAM.\n"); - return 0; - } - pa = (pte_val(*pte_tmp) & PAGE_MASK) |(va & ~PAGE_MASK); -// printk(KERN_INFO"virt_addr 0x%lx in RAM is 0x%lx .\n",va,pa); -// printk(KERN_INFO"contect in 0x%lx is 0x%lx\n",pa, -// *(unsigned long *)((char *)pa + PAGE_OFFSET)); - - return pa; - -} - -static int check_phy_contiguous(unsigned long addr, unsigned long len) -{ - unsigned long phyaddr; - unsigned long lastphyaddr; - - if((phyaddr = v2p(addr)) == 0UL) - return 0; - lastphyaddr = phyaddr; - len = (len>PAGE_SIZE) ? len-PAGE_SIZE:0; - addr += PAGE_SIZE; - while(len) - { - if((phyaddr = v2p(addr)) == 0UL) - return 0; /* Not mapped */ - if(lastphyaddr+PAGE_SIZE != phyaddr) - return 2; /* discontiguous */ - lastphyaddr=phyaddr; - addr += PAGE_SIZE; - len = (len>PAGE_SIZE) ? len-PAGE_SIZE:0; - } - return 1; /* contiguous */ -} - -static int memcpy_virt_to_phys(void *phys_addr, unsigned long virt_addr, int len) -{ - int i; - unsigned long aligned_target_addr = (virt_addr & ~(PAGE_SIZE - 1)); - int to_end_page = (long)aligned_target_addr + PAGE_SIZE - (long)virt_addr; - if((unsigned long)aligned_target_addr != virt_addr) - { - memcpy(phys_addr, (void *)virt_addr, MIN(len, to_end_page)); - if(len <= to_end_page) - return 1; - len -= to_end_page; - phys_addr += to_end_page; - virt_addr = aligned_target_addr + PAGE_SIZE; - } - for(i=0;iprivate_data; - if(copy_to_user(buf, (void *)dev->function_number, count) < 0) - { - printk(KERN_INFO "Read fail\n"); - return -1; - } -*/ - void __iomem *ioaddr; - unsigned int read_byte; - - ioaddr = base_addr; - - read_byte = readb(ioaddr+0x10); - return read_byte; -} - -static int accel_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long argu) -{ - return 0; -} - -static int accel_release(struct inode *inode, struct file *file) -{ - module_put(THIS_MODULE); - return 0; -} - -struct file_operations accel_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .read = accel_read, - .write = accel_write, - .open = accel_open, - .release = accel_release, - .ioctl = accel_ioctl, -}; - -static void __devexit accel_pci_remove(struct pci_dev *pdev) -{ - unregister_chrdev(ACCEL_DEV_MAJOR, ACCEL_DEV_NAME); - pci_release_region(pdev, 0); - pci_disable_device(pdev); -} - -static int __devinit accel_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) -{ - void __iomem *ioaddr; - int ped, pr2, disable_dev_on_err = 0; - int rc = 0; - unsigned long pio_start, pio_end, pio_flags, pio_len; - unsigned long mmio_start, mmio_end, mmio_flags, mmio_len; - dev_t dev; - - ped = pci_enable_device(pdev); - if(ped) - goto err_out; - - pio_start = pci_resource_start(pdev, 0); - pio_end = pci_resource_end(pdev, 0); - pio_flags = pci_resource_flags(pdev, 0); - pio_len = pci_resource_len(pdev, 0); - - mmio_start = pci_resource_start(pdev, 1); - mmio_end = pci_resource_end(pdev, 1); - mmio_flags = pci_resource_flags(pdev, 1); - mmio_len = pci_resource_flags(pdev, 1); - - pr2 = pci_request_regions(pdev, ACCEL_DEV_NAME); - if(pr2) - goto err_out; - disable_dev_on_err = 1; - - pci_set_master(pdev); - - ioaddr = (void *)pci_iomap(pdev, 1, 0); - if(ioaddr == NULL) - { - dev_err(&pdev->dev, "Cannot remap MMIO, aborting\n"); - rc = -EIO; - goto err_out; - } - - base_addr = ioaddr; - memory_size = mmio_len; - - dev = MKDEV(ACCEL_DEV_MAJOR, 0); - rc = register_chrdev_region(dev, 1, ACCEL_DEV_NAME); - - if(rc < 0) - { - rc = -ENODEV; - goto err_out; - } - - accel_device = kmalloc(sizeof(struct accel_dev), GFP_KERNEL); - if(accel_device == NULL) - { - unregister_chrdev_region(dev, 1); - return 0; - } - - memset(accel_device, 0, sizeof(struct accel_dev)); - - cdev_init(&accel_device->cdev, &accel_fops); - accel_device->cdev.owner = THIS_MODULE; - accel_device->cdev.ops = &accel_fops; - - rc = cdev_add(&accel_device->cdev, dev, 1); - if(rc) - { - rc = -ENODEV; - goto err_out; - } - - return 0; - -err_out: - if(disable_dev_on_err) - pci_disable_device(pdev); - return rc; -} - -static struct pci_driver accel_driver = { - .name = DRIVER_NAME, - .id_table = accel_pci_ids, - .probe = accel_pci_probe, - .remove = accel_pci_remove, -}; - -MODULE_DEVICE_TABLE(pci, accel_pci_ids); - -static int __init card_accel_init(void) -{ - printk(KERN_INFO "Accel init\n"); - return pci_register_driver(&accel_driver); -} - -static void __exit card_accel_exit(void) -{ - pci_unregister_driver(&accel_driver); -} - -module_init(card_accel_init) -module_exit(card_accel_exit) diff --git a/drivers/samsung/Accelerator.c.rtl8139 b/drivers/samsung/Accelerator.c.rtl8139 deleted file mode 100755 index 53bd903d2321..000000000000 --- a/drivers/samsung/Accelerator.c.rtl8139 +++ /dev/null @@ -1,2624 +0,0 @@ -/* - - 8139too.c: A RealTek RTL-8139 Fast Ethernet driver for Linux. - - Maintained by Jeff Garzik - Copyright 2000-2002 Jeff Garzik - - Much code comes from Donald Becker's rtl8139.c driver, - versions 1.13 and older. This driver was originally based - on rtl8139.c version 1.07. Header of rtl8139.c version 1.13: - - ---------- - - Written 1997-2001 by Donald Becker. - This software may be used and distributed according to the - terms of the GNU General Public License (GPL), incorporated - herein by reference. Drivers based on or derived from this - code fall under the GPL and must retain the authorship, - copyright and license notice. This file is not a complete - program and may only be used when the entire operating - system is licensed under the GPL. - - This driver is for boards based on the RTL8129 and RTL8139 - PCI ethernet chips. - - The author may be reached as becker@scyld.com, or C/O Scyld - Computing Corporation 410 Severn Ave., Suite 210 Annapolis - MD 21403 - - Support and updates available at - http://www.scyld.com/network/rtl8139.html - - Twister-tuning table provided by Kinston - . - - ---------- - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - Contributors: - - Donald Becker - he wrote the original driver, kudos to him! - (but please don't e-mail him for support, this isn't his driver) - - Tigran Aivazian - bug fixes, skbuff free cleanup - - Martin Mares - suggestions for PCI cleanup - - David S. Miller - PCI DMA and softnet updates - - Ernst Gill - fixes ported from BSD driver - - Daniel Kobras - identified specific locations of - posted MMIO write bugginess - - Gerard Sharp - bug fix, testing and feedback - - David Ford - Rx ring wrap fix - - Dan DeMaggio - swapped RTL8139 cards with me, and allowed me - to find and fix a crucial bug on older chipsets. - - Donald Becker/Chris Butterworth/Marcus Westergren - - Noticed various Rx packet size-related buglets. - - Santiago Garcia Mantinan - testing and feedback - - Jens David - 2.2.x kernel backports - - Martin Dennett - incredibly helpful insight on undocumented - features of the 8139 chips - - Jean-Jacques Michel - bug fix - - Tobias Ringström - Rx interrupt status checking suggestion - - Andrew Morton - Clear blocked signals, avoid - buffer overrun setting current->comm. - - Kalle Olavi Niemitalo - Wake-on-LAN ioctls - - Robert Kuebel - Save kernel thread from dying on any signal. - - Submitting bug reports: - - "rtl8139-diag -mmmaaavvveefN" output - enable RTL8139_DEBUG below, and look at 'dmesg' or kernel log - -*/ - -#define DRV_NAME "8139too" -#define DRV_VERSION "0.9.28" - - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define RTL8139_DRIVER_NAME DRV_NAME " Fast Ethernet driver " DRV_VERSION -#define PFX DRV_NAME ": " - -/* Default Message level */ -#define RTL8139_DEF_MSG_ENABLE (NETIF_MSG_DRV | \ - NETIF_MSG_PROBE | \ - NETIF_MSG_LINK) - - -/* enable PIO instead of MMIO, if CONFIG_8139TOO_PIO is selected */ -#ifdef CONFIG_8139TOO_PIO -#define USE_IO_OPS 1 -#endif - -/* define to 1, 2 or 3 to enable copious debugging info */ -#define RTL8139_DEBUG 0 - -/* define to 1 to disable lightweight runtime debugging checks */ -#undef RTL8139_NDEBUG - - -#if RTL8139_DEBUG -/* note: prints function name for you */ -# define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args) -#else -# define DPRINTK(fmt, args...) -#endif - -#ifdef RTL8139_NDEBUG -# define assert(expr) do {} while (0) -#else -# define assert(expr) \ - if(unlikely(!(expr))) { \ - printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n", \ - #expr,__FILE__,__FUNCTION__,__LINE__); \ - } -#endif - - -/* A few user-configurable values. */ -/* media options */ -#define MAX_UNITS 8 -static int media[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1}; -static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1}; - -/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). - The RTL chips use a 64 element hash table based on the Ethernet CRC. */ -static int multicast_filter_limit = 32; - -/* bitmapped message enable number */ -static int debug = -1; - -/* - * Receive ring size - * Warning: 64K ring has hardware issues and may lock up. - */ -#if defined(CONFIG_SH_DREAMCAST) -#define RX_BUF_IDX 0 /* 8K ring */ -#else -#define RX_BUF_IDX 2 /* 32K ring */ -#endif -#define RX_BUF_LEN (8192 << RX_BUF_IDX) -#define RX_BUF_PAD 16 -#define RX_BUF_WRAP_PAD 2048 /* spare padding to handle lack of packet wrap */ - -#if RX_BUF_LEN == 65536 -#define RX_BUF_TOT_LEN RX_BUF_LEN -#else -#define RX_BUF_TOT_LEN (RX_BUF_LEN + RX_BUF_PAD + RX_BUF_WRAP_PAD) -#endif - -/* Number of Tx descriptor registers. */ -#define NUM_TX_DESC 4 - -/* max supported ethernet frame size -- must be at least (dev->mtu+14+4).*/ -#define MAX_ETH_FRAME_SIZE 1536 - -/* Size of the Tx bounce buffers -- must be at least (dev->mtu+14+4). */ -#define TX_BUF_SIZE MAX_ETH_FRAME_SIZE -#define TX_BUF_TOT_LEN (TX_BUF_SIZE * NUM_TX_DESC) - -/* PCI Tuning Parameters - Threshold is bytes transferred to chip before transmission starts. */ -#define TX_FIFO_THRESH 256 /* In bytes, rounded down to 32 byte units. */ - -/* The following settings are log_2(bytes)-4: 0 == 16 bytes .. 6==1024, 7==end of packet. */ -#define RX_FIFO_THRESH 7 /* Rx buffer level before first PCI xfer. */ -#define RX_DMA_BURST 7 /* Maximum PCI burst, '6' is 1024 */ -#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ -#define TX_RETRY 8 /* 0-15. retries = 16 + (TX_RETRY * 16) */ - -/* Operational parameters that usually are not changed. */ -/* Time in jiffies before concluding the transmitter is hung. */ -#define TX_TIMEOUT (6*HZ) - - -enum { - HAS_MII_XCVR = 0x010000, - HAS_CHIP_XCVR = 0x020000, - HAS_LNK_CHNG = 0x040000, -}; - -#define RTL_NUM_STATS 4 /* number of ETHTOOL_GSTATS u64's */ -#define RTL_REGS_VER 1 /* version of reg. data in ETHTOOL_GREGS */ -#define RTL_MIN_IO_SIZE 0x80 -#define RTL8139B_IO_SIZE 256 - -#define RTL8129_CAPS HAS_MII_XCVR -#define RTL8139_CAPS HAS_CHIP_XCVR|HAS_LNK_CHNG - -typedef enum { - RTL8139 = 0, - RTL8129, -} board_t; - - -/* indexed by board_t, above */ -static const struct { - const char *name; - u32 hw_flags; -} board_info[] __devinitdata = { - { "RealTek RTL8139", RTL8139_CAPS }, - { "RealTek RTL8129", RTL8129_CAPS }, -}; - - -static struct pci_device_id rtl8139_pci_tbl[] = { - {0x10ec, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x10ec, 0x8138, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x1113, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x1500, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x4033, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x1186, 0x1300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x1186, 0x1340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x13d1, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x1259, 0xa117, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x1259, 0xa11e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x14ea, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x14ea, 0xab07, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x11db, 0x1234, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x1432, 0x9130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x02ac, 0x1012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x018a, 0x0106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x126c, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x1743, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - -#ifdef CONFIG_SH_SECUREEDGE5410 - /* Bogus 8139 silicon reports 8129 without external PROM :-( */ - {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, -#endif -#ifdef CONFIG_8139TOO_8129 - {0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8129 }, -#endif - - /* some crazy cards report invalid vendor ids like - * 0x0001 here. The other ids are valid and constant, - * so we simply don't match on the main vendor id. - */ - {PCI_ANY_ID, 0x8139, 0x10ec, 0x8139, 0, 0, RTL8139 }, - {PCI_ANY_ID, 0x8139, 0x1186, 0x1300, 0, 0, RTL8139 }, - {PCI_ANY_ID, 0x8139, 0x13d1, 0xab06, 0, 0, RTL8139 }, - - {0,} -}; -MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl); - -static struct { - const char str[ETH_GSTRING_LEN]; -} ethtool_stats_keys[] = { - { "early_rx" }, - { "tx_buf_mapped" }, - { "tx_timeouts" }, - { "rx_lost_in_ring" }, -}; - -/* The rest of these values should never change. */ - -/* Symbolic offsets to registers. */ -enum RTL8139_registers { - MAC0 = 0, /* Ethernet hardware address. */ - MAR0 = 8, /* Multicast filter. */ - TxStatus0 = 0x10, /* Transmit status (Four 32bit registers). */ - TxAddr0 = 0x20, /* Tx descriptors (also four 32bit). */ - RxBuf = 0x30, - ChipCmd = 0x37, - RxBufPtr = 0x38, - RxBufAddr = 0x3A, - IntrMask = 0x3C, - IntrStatus = 0x3E, - TxConfig = 0x40, - RxConfig = 0x44, - Timer = 0x48, /* A general-purpose counter. */ - RxMissed = 0x4C, /* 24 bits valid, write clears. */ - Cfg9346 = 0x50, - Config0 = 0x51, - Config1 = 0x52, - FlashReg = 0x54, - MediaStatus = 0x58, - Config3 = 0x59, - Config4 = 0x5A, /* absent on RTL-8139A */ - HltClk = 0x5B, - MultiIntr = 0x5C, - TxSummary = 0x60, - BasicModeCtrl = 0x62, - BasicModeStatus = 0x64, - NWayAdvert = 0x66, - NWayLPAR = 0x68, - NWayExpansion = 0x6A, - /* Undocumented registers, but required for proper operation. */ - FIFOTMS = 0x70, /* FIFO Control and test. */ - CSCR = 0x74, /* Chip Status and Configuration Register. */ - PARA78 = 0x78, - PARA7c = 0x7c, /* Magic transceiver parameter register. */ - Config5 = 0xD8, /* absent on RTL-8139A */ -}; - -enum ClearBitMasks { - MultiIntrClear = 0xF000, - ChipCmdClear = 0xE2, - Config1Clear = (1<<7)|(1<<6)|(1<<3)|(1<<2)|(1<<1), -}; - -enum ChipCmdBits { - CmdReset = 0x10, - CmdRxEnb = 0x08, - CmdTxEnb = 0x04, - RxBufEmpty = 0x01, -}; - -/* Interrupt register bits, using my own meaningful names. */ -enum IntrStatusBits { - PCIErr = 0x8000, - PCSTimeout = 0x4000, - RxFIFOOver = 0x40, - RxUnderrun = 0x20, - RxOverflow = 0x10, - TxErr = 0x08, - TxOK = 0x04, - RxErr = 0x02, - RxOK = 0x01, - - RxAckBits = RxFIFOOver | RxOverflow | RxOK, -}; - -enum TxStatusBits { - TxHostOwns = 0x2000, - TxUnderrun = 0x4000, - TxStatOK = 0x8000, - TxOutOfWindow = 0x20000000, - TxAborted = 0x40000000, - TxCarrierLost = 0x80000000, -}; -enum RxStatusBits { - RxMulticast = 0x8000, - RxPhysical = 0x4000, - RxBroadcast = 0x2000, - RxBadSymbol = 0x0020, - RxRunt = 0x0010, - RxTooLong = 0x0008, - RxCRCErr = 0x0004, - RxBadAlign = 0x0002, - RxStatusOK = 0x0001, -}; - -/* Bits in RxConfig. */ -enum rx_mode_bits { - AcceptErr = 0x20, - AcceptRunt = 0x10, - AcceptBroadcast = 0x08, - AcceptMulticast = 0x04, - AcceptMyPhys = 0x02, - AcceptAllPhys = 0x01, -}; - -/* Bits in TxConfig. */ -enum tx_config_bits { - /* Interframe Gap Time. Only TxIFG96 doesn't violate IEEE 802.3 */ - TxIFGShift = 24, - TxIFG84 = (0 << TxIFGShift), /* 8.4us / 840ns (10 / 100Mbps) */ - TxIFG88 = (1 << TxIFGShift), /* 8.8us / 880ns (10 / 100Mbps) */ - TxIFG92 = (2 << TxIFGShift), /* 9.2us / 920ns (10 / 100Mbps) */ - TxIFG96 = (3 << TxIFGShift), /* 9.6us / 960ns (10 / 100Mbps) */ - - TxLoopBack = (1 << 18) | (1 << 17), /* enable loopback test mode */ - TxCRC = (1 << 16), /* DISABLE Tx pkt CRC append */ - TxClearAbt = (1 << 0), /* Clear abort (WO) */ - TxDMAShift = 8, /* DMA burst value (0-7) is shifted X many bits */ - TxRetryShift = 4, /* TXRR value (0-15) is shifted X many bits */ - - TxVersionMask = 0x7C800000, /* mask out version bits 30-26, 23 */ -}; - -/* Bits in Config1 */ -enum Config1Bits { - Cfg1_PM_Enable = 0x01, - Cfg1_VPD_Enable = 0x02, - Cfg1_PIO = 0x04, - Cfg1_MMIO = 0x08, - LWAKE = 0x10, /* not on 8139, 8139A */ - Cfg1_Driver_Load = 0x20, - Cfg1_LED0 = 0x40, - Cfg1_LED1 = 0x80, - SLEEP = (1 << 1), /* only on 8139, 8139A */ - PWRDN = (1 << 0), /* only on 8139, 8139A */ -}; - -/* Bits in Config3 */ -enum Config3Bits { - Cfg3_FBtBEn = (1 << 0), /* 1 = Fast Back to Back */ - Cfg3_FuncRegEn = (1 << 1), /* 1 = enable CardBus Function registers */ - Cfg3_CLKRUN_En = (1 << 2), /* 1 = enable CLKRUN */ - Cfg3_CardB_En = (1 << 3), /* 1 = enable CardBus registers */ - Cfg3_LinkUp = (1 << 4), /* 1 = wake up on link up */ - Cfg3_Magic = (1 << 5), /* 1 = wake up on Magic Packet (tm) */ - Cfg3_PARM_En = (1 << 6), /* 0 = software can set twister parameters */ - Cfg3_GNTSel = (1 << 7), /* 1 = delay 1 clock from PCI GNT signal */ -}; - -/* Bits in Config4 */ -enum Config4Bits { - LWPTN = (1 << 2), /* not on 8139, 8139A */ -}; - -/* Bits in Config5 */ -enum Config5Bits { - Cfg5_PME_STS = (1 << 0), /* 1 = PCI reset resets PME_Status */ - Cfg5_LANWake = (1 << 1), /* 1 = enable LANWake signal */ - Cfg5_LDPS = (1 << 2), /* 0 = save power when link is down */ - Cfg5_FIFOAddrPtr= (1 << 3), /* Realtek internal SRAM testing */ - Cfg5_UWF = (1 << 4), /* 1 = accept unicast wakeup frame */ - Cfg5_MWF = (1 << 5), /* 1 = accept multicast wakeup frame */ - Cfg5_BWF = (1 << 6), /* 1 = accept broadcast wakeup frame */ -}; - -enum RxConfigBits { - /* rx fifo threshold */ - RxCfgFIFOShift = 13, - RxCfgFIFONone = (7 << RxCfgFIFOShift), - - /* Max DMA burst */ - RxCfgDMAShift = 8, - RxCfgDMAUnlimited = (7 << RxCfgDMAShift), - - /* rx ring buffer length */ - RxCfgRcv8K = 0, - RxCfgRcv16K = (1 << 11), - RxCfgRcv32K = (1 << 12), - RxCfgRcv64K = (1 << 11) | (1 << 12), - - /* Disable packet wrap at end of Rx buffer. (not possible with 64k) */ - RxNoWrap = (1 << 7), -}; - -/* Twister tuning parameters from RealTek. - Completely undocumented, but required to tune bad links on some boards. */ -enum CSCRBits { - CSCR_LinkOKBit = 0x0400, - CSCR_LinkChangeBit = 0x0800, - CSCR_LinkStatusBits = 0x0f000, - CSCR_LinkDownOffCmd = 0x003c0, - CSCR_LinkDownCmd = 0x0f3c0, -}; - -enum Cfg9346Bits { - Cfg9346_Lock = 0x00, - Cfg9346_Unlock = 0xC0, -}; - -typedef enum { - CH_8139 = 0, - CH_8139_K, - CH_8139A, - CH_8139A_G, - CH_8139B, - CH_8130, - CH_8139C, - CH_8100, - CH_8100B_8139D, - CH_8101, -} chip_t; - -enum chip_flags { - HasHltClk = (1 << 0), - HasLWake = (1 << 1), -}; - -#define HW_REVID(b30, b29, b28, b27, b26, b23, b22) \ - (b30<<30 | b29<<29 | b28<<28 | b27<<27 | b26<<26 | b23<<23 | b22<<22) -#define HW_REVID_MASK HW_REVID(1, 1, 1, 1, 1, 1, 1) - -/* directly indexed by chip_t, above */ -static const struct { - const char *name; - u32 version; /* from RTL8139C/RTL8139D docs */ - u32 flags; -} rtl_chip_info[] = { - { "RTL-8139", - HW_REVID(1, 0, 0, 0, 0, 0, 0), - HasHltClk, - }, - - { "RTL-8139 rev K", - HW_REVID(1, 1, 0, 0, 0, 0, 0), - HasHltClk, - }, - - { "RTL-8139A", - HW_REVID(1, 1, 1, 0, 0, 0, 0), - HasHltClk, /* XXX undocumented? */ - }, - - { "RTL-8139A rev G", - HW_REVID(1, 1, 1, 0, 0, 1, 0), - HasHltClk, /* XXX undocumented? */ - }, - - { "RTL-8139B", - HW_REVID(1, 1, 1, 1, 0, 0, 0), - HasLWake, - }, - - { "RTL-8130", - HW_REVID(1, 1, 1, 1, 1, 0, 0), - HasLWake, - }, - - { "RTL-8139C", - HW_REVID(1, 1, 1, 0, 1, 0, 0), - HasLWake, - }, - - { "RTL-8100", - HW_REVID(1, 1, 1, 1, 0, 1, 0), - HasLWake, - }, - - { "RTL-8100B/8139D", - HW_REVID(1, 1, 1, 0, 1, 0, 1), - HasHltClk /* XXX undocumented? */ - | HasLWake, - }, - - { "RTL-8101", - HW_REVID(1, 1, 1, 0, 1, 1, 1), - HasLWake, - }, -}; - -struct rtl_extra_stats { - unsigned long early_rx; - unsigned long tx_buf_mapped; - unsigned long tx_timeouts; - unsigned long rx_lost_in_ring; -}; - -struct rtl8139_private { - void __iomem *mmio_addr; - int drv_flags; - struct pci_dev *pci_dev; - u32 msg_enable; - struct napi_struct napi; - struct net_device *dev; - struct net_device_stats stats; - - unsigned char *rx_ring; - unsigned int cur_rx; /* RX buf index of next pkt */ - dma_addr_t rx_ring_dma; - - unsigned int tx_flag; - unsigned long cur_tx; - unsigned long dirty_tx; - unsigned char *tx_buf[NUM_TX_DESC]; /* Tx bounce buffers */ - unsigned char *tx_bufs; /* Tx bounce buffer region. */ - dma_addr_t tx_bufs_dma; - - signed char phys[4]; /* MII device addresses. */ - - /* Twister tune state. */ - char twistie, twist_row, twist_col; - - unsigned int watchdog_fired : 1; - unsigned int default_port : 4; /* Last dev->if_port value. */ - unsigned int have_thread : 1; - - spinlock_t lock; - spinlock_t rx_lock; - - chip_t chipset; - u32 rx_config; - struct rtl_extra_stats xstats; - - struct delayed_work thread; - - struct mii_if_info mii; - unsigned int regs_len; - unsigned long fifo_copy_timeout; -}; - -MODULE_AUTHOR ("Jeff Garzik "); -MODULE_DESCRIPTION ("RealTek RTL-8139 Fast Ethernet driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_VERSION); - -module_param(multicast_filter_limit, int, 0); -module_param_array(media, int, NULL, 0); -module_param_array(full_duplex, int, NULL, 0); -module_param(debug, int, 0); -MODULE_PARM_DESC (debug, "8139too bitmapped message enable number"); -MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered multicast addresses"); -MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps"); -MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)"); - -static int read_eeprom (void __iomem *ioaddr, int location, int addr_len); -static int rtl8139_open (struct net_device *dev); -static int mdio_read (struct net_device *dev, int phy_id, int location); -static void mdio_write (struct net_device *dev, int phy_id, int location, - int val); -static void rtl8139_start_thread(struct rtl8139_private *tp); -static void rtl8139_tx_timeout (struct net_device *dev); -static void rtl8139_init_ring (struct net_device *dev); -static int rtl8139_start_xmit (struct sk_buff *skb, - struct net_device *dev); -#ifdef CONFIG_NET_POLL_CONTROLLER -static void rtl8139_poll_controller(struct net_device *dev); -#endif -static int rtl8139_poll(struct napi_struct *napi, int budget); -static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance); -static int rtl8139_close (struct net_device *dev); -static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd); -static struct net_device_stats *rtl8139_get_stats (struct net_device *dev); -static void rtl8139_set_rx_mode (struct net_device *dev); -static void __set_rx_mode (struct net_device *dev); -static void rtl8139_hw_start (struct net_device *dev); -static void rtl8139_thread (struct work_struct *work); -static void rtl8139_tx_timeout_task(struct work_struct *work); -static const struct ethtool_ops rtl8139_ethtool_ops; - -/* write MMIO register, with flush */ -/* Flush avoids rtl8139 bug w/ posted MMIO writes */ -#define RTL_W8_F(reg, val8) do { iowrite8 ((val8), ioaddr + (reg)); ioread8 (ioaddr + (reg)); } while (0) -#define RTL_W16_F(reg, val16) do { iowrite16 ((val16), ioaddr + (reg)); ioread16 (ioaddr + (reg)); } while (0) -#define RTL_W32_F(reg, val32) do { iowrite32 ((val32), ioaddr + (reg)); ioread32 (ioaddr + (reg)); } while (0) - -/* write MMIO register */ -#define RTL_W8(reg, val8) iowrite8 ((val8), ioaddr + (reg)) -#define RTL_W16(reg, val16) iowrite16 ((val16), ioaddr + (reg)) -#define RTL_W32(reg, val32) iowrite32 ((val32), ioaddr + (reg)) - -/* read MMIO register */ -#define RTL_R8(reg) ioread8 (ioaddr + (reg)) -#define RTL_R16(reg) ioread16 (ioaddr + (reg)) -#define RTL_R32(reg) ((unsigned long) ioread32 (ioaddr + (reg))) - - -static const u16 rtl8139_intr_mask = - PCIErr | PCSTimeout | RxUnderrun | RxOverflow | RxFIFOOver | - TxErr | TxOK | RxErr | RxOK; - -static const u16 rtl8139_norx_intr_mask = - PCIErr | PCSTimeout | RxUnderrun | - TxErr | TxOK | RxErr ; - -#if RX_BUF_IDX == 0 -static const unsigned int rtl8139_rx_config = - RxCfgRcv8K | RxNoWrap | - (RX_FIFO_THRESH << RxCfgFIFOShift) | - (RX_DMA_BURST << RxCfgDMAShift); -#elif RX_BUF_IDX == 1 -static const unsigned int rtl8139_rx_config = - RxCfgRcv16K | RxNoWrap | - (RX_FIFO_THRESH << RxCfgFIFOShift) | - (RX_DMA_BURST << RxCfgDMAShift); -#elif RX_BUF_IDX == 2 -static const unsigned int rtl8139_rx_config = - RxCfgRcv32K | RxNoWrap | - (RX_FIFO_THRESH << RxCfgFIFOShift) | - (RX_DMA_BURST << RxCfgDMAShift); -#elif RX_BUF_IDX == 3 -static const unsigned int rtl8139_rx_config = - RxCfgRcv64K | - (RX_FIFO_THRESH << RxCfgFIFOShift) | - (RX_DMA_BURST << RxCfgDMAShift); -#else -#error "Invalid configuration for 8139_RXBUF_IDX" -#endif - -static const unsigned int rtl8139_tx_config = - TxIFG96 | (TX_DMA_BURST << TxDMAShift) | (TX_RETRY << TxRetryShift); - -static void __rtl8139_cleanup_dev (struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - struct pci_dev *pdev; - - assert (dev != NULL); - assert (tp->pci_dev != NULL); - pdev = tp->pci_dev; - -#ifdef USE_IO_OPS - if (tp->mmio_addr) - ioport_unmap (tp->mmio_addr); -#else - if (tp->mmio_addr) - pci_iounmap (pdev, tp->mmio_addr); -#endif /* USE_IO_OPS */ - - /* it's ok to call this even if we have no regions to free */ - pci_release_regions (pdev); - - free_netdev(dev); - pci_set_drvdata (pdev, NULL); -} - - -static void rtl8139_chip_reset (void __iomem *ioaddr) -{ - int i; - - /* Soft reset the chip. */ - RTL_W8 (ChipCmd, CmdReset); - - /* Check that the chip has finished the reset. */ - for (i = 1000; i > 0; i--) { - barrier(); - if ((RTL_R8 (ChipCmd) & CmdReset) == 0) - break; - udelay (10); - } -} - - -static int __devinit rtl8139_init_board (struct pci_dev *pdev, - struct net_device **dev_out) -{ - void __iomem *ioaddr; - struct net_device *dev; - struct rtl8139_private *tp; - u8 tmp8; - int rc, disable_dev_on_err = 0; - unsigned int i; - unsigned long pio_start, pio_end, pio_flags, pio_len; - unsigned long mmio_start, mmio_end, mmio_flags, mmio_len; - u32 version; - - assert (pdev != NULL); - - *dev_out = NULL; - - /* dev and priv zeroed in alloc_etherdev */ - dev = alloc_etherdev (sizeof (*tp)); - if (dev == NULL) { - dev_err(&pdev->dev, "Unable to alloc new net device\n"); - return -ENOMEM; - } - SET_NETDEV_DEV(dev, &pdev->dev); - - tp = netdev_priv(dev); - tp->pci_dev = pdev; - - /* enable device (incl. PCI PM wakeup and hotplug setup) */ - rc = pci_enable_device (pdev); - if (rc) - goto err_out; - - pio_start = pci_resource_start (pdev, 0); - pio_end = pci_resource_end (pdev, 0); - pio_flags = pci_resource_flags (pdev, 0); - pio_len = pci_resource_len (pdev, 0); - - mmio_start = pci_resource_start (pdev, 1); - mmio_end = pci_resource_end (pdev, 1); - mmio_flags = pci_resource_flags (pdev, 1); - mmio_len = pci_resource_len (pdev, 1); - - /* set this immediately, we need to know before - * we talk to the chip directly */ - DPRINTK("PIO region size == 0x%02X\n", pio_len); - DPRINTK("MMIO region size == 0x%02lX\n", mmio_len); - -#ifdef USE_IO_OPS - /* make sure PCI base addr 0 is PIO */ - if (!(pio_flags & IORESOURCE_IO)) { - dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n"); - rc = -ENODEV; - goto err_out; - } - /* check for weird/broken PCI region reporting */ - if (pio_len < RTL_MIN_IO_SIZE) { - dev_err(&pdev->dev, "Invalid PCI I/O region size(s), aborting\n"); - rc = -ENODEV; - goto err_out; - } -#else - /* make sure PCI base addr 1 is MMIO */ - if (!(mmio_flags & IORESOURCE_MEM)) { - dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n"); - rc = -ENODEV; - goto err_out; - } - if (mmio_len < RTL_MIN_IO_SIZE) { - dev_err(&pdev->dev, "Invalid PCI mem region size(s), aborting\n"); - rc = -ENODEV; - goto err_out; - } -#endif - - rc = pci_request_regions (pdev, DRV_NAME); - if (rc) - goto err_out; - disable_dev_on_err = 1; - - /* enable PCI bus-mastering */ - pci_set_master (pdev); - -#ifdef USE_IO_OPS - ioaddr = ioport_map(pio_start, pio_len); - if (!ioaddr) { - dev_err(&pdev->dev, "cannot map PIO, aborting\n"); - rc = -EIO; - goto err_out; - } - dev->base_addr = pio_start; - tp->mmio_addr = ioaddr; - tp->regs_len = pio_len; -#else - /* ioremap MMIO region */ - ioaddr = pci_iomap(pdev, 1, 0); - if (ioaddr == NULL) { - dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); - rc = -EIO; - goto err_out; - } - dev->base_addr = (long) ioaddr; - tp->mmio_addr = ioaddr; - tp->regs_len = mmio_len; -#endif /* USE_IO_OPS */ - - /* Bring old chips out of low-power mode. */ - RTL_W8 (HltClk, 'R'); - - /* check for missing/broken hardware */ - if (RTL_R32 (TxConfig) == 0xFFFFFFFF) { - dev_err(&pdev->dev, "Chip not responding, ignoring board\n"); - rc = -EIO; - goto err_out; - } - - /* identify chip attached to board */ - version = RTL_R32 (TxConfig) & HW_REVID_MASK; - for (i = 0; i < ARRAY_SIZE (rtl_chip_info); i++) - if (version == rtl_chip_info[i].version) { - tp->chipset = i; - goto match; - } - - /* if unknown chip, assume array element #0, original RTL-8139 in this case */ - dev_printk (KERN_DEBUG, &pdev->dev, - "unknown chip version, assuming RTL-8139\n"); - dev_printk (KERN_DEBUG, &pdev->dev, - "TxConfig = 0x%lx\n", RTL_R32 (TxConfig)); - tp->chipset = 0; - -match: - DPRINTK ("chipset id (%d) == index %d, '%s'\n", - version, i, rtl_chip_info[i].name); - - if (tp->chipset >= CH_8139B) { - u8 new_tmp8 = tmp8 = RTL_R8 (Config1); - DPRINTK("PCI PM wakeup\n"); - if ((rtl_chip_info[tp->chipset].flags & HasLWake) && - (tmp8 & LWAKE)) - new_tmp8 &= ~LWAKE; - new_tmp8 |= Cfg1_PM_Enable; - if (new_tmp8 != tmp8) { - RTL_W8 (Cfg9346, Cfg9346_Unlock); - RTL_W8 (Config1, tmp8); - RTL_W8 (Cfg9346, Cfg9346_Lock); - } - if (rtl_chip_info[tp->chipset].flags & HasLWake) { - tmp8 = RTL_R8 (Config4); - if (tmp8 & LWPTN) { - RTL_W8 (Cfg9346, Cfg9346_Unlock); - RTL_W8 (Config4, tmp8 & ~LWPTN); - RTL_W8 (Cfg9346, Cfg9346_Lock); - } - } - } else { - DPRINTK("Old chip wakeup\n"); - tmp8 = RTL_R8 (Config1); - tmp8 &= ~(SLEEP | PWRDN); - RTL_W8 (Config1, tmp8); - } - - rtl8139_chip_reset (ioaddr); - - *dev_out = dev; - return 0; - -err_out: - __rtl8139_cleanup_dev (dev); - if (disable_dev_on_err) - pci_disable_device (pdev); - return rc; -} - - -static int __devinit rtl8139_init_one (struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *dev = NULL; - struct rtl8139_private *tp; - int i, addr_len, option; - void __iomem *ioaddr; - static int board_idx = -1; - DECLARE_MAC_BUF(mac); - - assert (pdev != NULL); - assert (ent != NULL); - - board_idx++; - - /* when we're built into the kernel, the driver version message - * is only printed if at least one 8139 board has been found - */ -#ifndef MODULE - { - static int printed_version; - if (!printed_version++) - printk (KERN_INFO RTL8139_DRIVER_NAME "\n"); - } -#endif - - if (pdev->vendor == PCI_VENDOR_ID_REALTEK && - pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) { - dev_info(&pdev->dev, - "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip\n", - pdev->vendor, pdev->device, pdev->revision); - dev_info(&pdev->dev, - "Use the \"8139cp\" driver for improved performance and stability.\n"); - } - - i = rtl8139_init_board (pdev, &dev); - if (i < 0) - return i; - - assert (dev != NULL); - tp = netdev_priv(dev); - tp->dev = dev; - - ioaddr = tp->mmio_addr; - assert (ioaddr != NULL); - - addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6; - for (i = 0; i < 3; i++) - ((__le16 *) (dev->dev_addr))[i] = - cpu_to_le16(read_eeprom (ioaddr, i + 7, addr_len)); - memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - - /* The Rtl8139-specific entries in the device structure. */ - dev->open = rtl8139_open; - dev->hard_start_xmit = rtl8139_start_xmit; - netif_napi_add(dev, &tp->napi, rtl8139_poll, 64); - dev->stop = rtl8139_close; - dev->get_stats = rtl8139_get_stats; - dev->set_multicast_list = rtl8139_set_rx_mode; - dev->do_ioctl = netdev_ioctl; - dev->ethtool_ops = &rtl8139_ethtool_ops; - dev->tx_timeout = rtl8139_tx_timeout; - dev->watchdog_timeo = TX_TIMEOUT; -#ifdef CONFIG_NET_POLL_CONTROLLER - dev->poll_controller = rtl8139_poll_controller; -#endif - - /* note: the hardware is not capable of sg/csum/highdma, however - * through the use of skb_copy_and_csum_dev we enable these - * features - */ - dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA; - - dev->irq = pdev->irq; - - /* tp zeroed and aligned in alloc_etherdev */ - tp = netdev_priv(dev); - - /* note: tp->chipset set in rtl8139_init_board */ - tp->drv_flags = board_info[ent->driver_data].hw_flags; - tp->mmio_addr = ioaddr; - tp->msg_enable = - (debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1)); - spin_lock_init (&tp->lock); - spin_lock_init (&tp->rx_lock); - INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); - tp->mii.dev = dev; - tp->mii.mdio_read = mdio_read; - tp->mii.mdio_write = mdio_write; - tp->mii.phy_id_mask = 0x3f; - tp->mii.reg_num_mask = 0x1f; - - /* dev is fully set up and ready to use now */ - DPRINTK("about to register device named %s (%p)...\n", dev->name, dev); - i = register_netdev (dev); - if (i) goto err_out; - - pci_set_drvdata (pdev, dev); - - printk (KERN_INFO "%s: %s at 0x%lx, " - "%s, IRQ %d\n", - dev->name, - board_info[ent->driver_data].name, - dev->base_addr, - print_mac(mac, dev->dev_addr), - dev->irq); - - printk (KERN_DEBUG "%s: Identified 8139 chip type '%s'\n", - dev->name, rtl_chip_info[tp->chipset].name); - - /* Find the connected MII xcvrs. - Doing this in open() would allow detecting external xcvrs later, but - takes too much time. */ -#ifdef CONFIG_8139TOO_8129 - if (tp->drv_flags & HAS_MII_XCVR) { - int phy, phy_idx = 0; - for (phy = 0; phy < 32 && phy_idx < sizeof(tp->phys); phy++) { - int mii_status = mdio_read(dev, phy, 1); - if (mii_status != 0xffff && mii_status != 0x0000) { - u16 advertising = mdio_read(dev, phy, 4); - tp->phys[phy_idx++] = phy; - printk(KERN_INFO "%s: MII transceiver %d status 0x%4.4x " - "advertising %4.4x.\n", - dev->name, phy, mii_status, advertising); - } - } - if (phy_idx == 0) { - printk(KERN_INFO "%s: No MII transceivers found! Assuming SYM " - "transceiver.\n", - dev->name); - tp->phys[0] = 32; - } - } else -#endif - tp->phys[0] = 32; - tp->mii.phy_id = tp->phys[0]; - - /* The lower four bits are the media type. */ - option = (board_idx >= MAX_UNITS) ? 0 : media[board_idx]; - if (option > 0) { - tp->mii.full_duplex = (option & 0x210) ? 1 : 0; - tp->default_port = option & 0xFF; - if (tp->default_port) - tp->mii.force_media = 1; - } - if (board_idx < MAX_UNITS && full_duplex[board_idx] > 0) - tp->mii.full_duplex = full_duplex[board_idx]; - if (tp->mii.full_duplex) { - printk(KERN_INFO "%s: Media type forced to Full Duplex.\n", dev->name); - /* Changing the MII-advertised media because might prevent - re-connection. */ - tp->mii.force_media = 1; - } - if (tp->default_port) { - printk(KERN_INFO " Forcing %dMbps %s-duplex operation.\n", - (option & 0x20 ? 100 : 10), - (option & 0x10 ? "full" : "half")); - mdio_write(dev, tp->phys[0], 0, - ((option & 0x20) ? 0x2000 : 0) | /* 100Mbps? */ - ((option & 0x10) ? 0x0100 : 0)); /* Full duplex? */ - } - - /* Put the chip into low-power mode. */ - if (rtl_chip_info[tp->chipset].flags & HasHltClk) - RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */ - - return 0; - -err_out: - __rtl8139_cleanup_dev (dev); - pci_disable_device (pdev); - return i; -} - - -static void __devexit rtl8139_remove_one (struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata (pdev); - - assert (dev != NULL); - - flush_scheduled_work(); - - unregister_netdev (dev); - - __rtl8139_cleanup_dev (dev); - pci_disable_device (pdev); -} - - -/* Serial EEPROM section. */ - -/* EEPROM_Ctrl bits. */ -#define EE_SHIFT_CLK 0x04 /* EEPROM shift clock. */ -#define EE_CS 0x08 /* EEPROM chip select. */ -#define EE_DATA_WRITE 0x02 /* EEPROM chip data in. */ -#define EE_WRITE_0 0x00 -#define EE_WRITE_1 0x02 -#define EE_DATA_READ 0x01 /* EEPROM chip data out. */ -#define EE_ENB (0x80 | EE_CS) - -/* Delay between EEPROM clock transitions. - No extra delay is needed with 33Mhz PCI, but 66Mhz may change this. - */ - -#define eeprom_delay() (void)RTL_R32(Cfg9346) - -/* The EEPROM commands include the alway-set leading bit. */ -#define EE_WRITE_CMD (5) -#define EE_READ_CMD (6) -#define EE_ERASE_CMD (7) - -static int __devinit read_eeprom (void __iomem *ioaddr, int location, int addr_len) -{ - int i; - unsigned retval = 0; - int read_cmd = location | (EE_READ_CMD << addr_len); - - RTL_W8 (Cfg9346, EE_ENB & ~EE_CS); - RTL_W8 (Cfg9346, EE_ENB); - eeprom_delay (); - - /* Shift the read command bits out. */ - for (i = 4 + addr_len; i >= 0; i--) { - int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; - RTL_W8 (Cfg9346, EE_ENB | dataval); - eeprom_delay (); - RTL_W8 (Cfg9346, EE_ENB | dataval | EE_SHIFT_CLK); - eeprom_delay (); - } - RTL_W8 (Cfg9346, EE_ENB); - eeprom_delay (); - - for (i = 16; i > 0; i--) { - RTL_W8 (Cfg9346, EE_ENB | EE_SHIFT_CLK); - eeprom_delay (); - retval = - (retval << 1) | ((RTL_R8 (Cfg9346) & EE_DATA_READ) ? 1 : - 0); - RTL_W8 (Cfg9346, EE_ENB); - eeprom_delay (); - } - - /* Terminate the EEPROM access. */ - RTL_W8 (Cfg9346, ~EE_CS); - eeprom_delay (); - - return retval; -} - -/* MII serial management: mostly bogus for now. */ -/* Read and write the MII management registers using software-generated - serial MDIO protocol. - The maximum data clock rate is 2.5 Mhz. The minimum timing is usually - met by back-to-back PCI I/O cycles, but we insert a delay to avoid - "overclocking" issues. */ -#define MDIO_DIR 0x80 -#define MDIO_DATA_OUT 0x04 -#define MDIO_DATA_IN 0x02 -#define MDIO_CLK 0x01 -#define MDIO_WRITE0 (MDIO_DIR) -#define MDIO_WRITE1 (MDIO_DIR | MDIO_DATA_OUT) - -#define mdio_delay() RTL_R8(Config4) - - -static const char mii_2_8139_map[8] = { - BasicModeCtrl, - BasicModeStatus, - 0, - 0, - NWayAdvert, - NWayLPAR, - NWayExpansion, - 0 -}; - - -#ifdef CONFIG_8139TOO_8129 -/* Syncronize the MII management interface by shifting 32 one bits out. */ -static void mdio_sync (void __iomem *ioaddr) -{ - int i; - - for (i = 32; i >= 0; i--) { - RTL_W8 (Config4, MDIO_WRITE1); - mdio_delay (); - RTL_W8 (Config4, MDIO_WRITE1 | MDIO_CLK); - mdio_delay (); - } -} -#endif - -static int mdio_read (struct net_device *dev, int phy_id, int location) -{ - struct rtl8139_private *tp = netdev_priv(dev); - int retval = 0; -#ifdef CONFIG_8139TOO_8129 - void __iomem *ioaddr = tp->mmio_addr; - int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location; - int i; -#endif - - if (phy_id > 31) { /* Really a 8139. Use internal registers. */ - void __iomem *ioaddr = tp->mmio_addr; - return location < 8 && mii_2_8139_map[location] ? - RTL_R16 (mii_2_8139_map[location]) : 0; - } - -#ifdef CONFIG_8139TOO_8129 - mdio_sync (ioaddr); - /* Shift the read command bits out. */ - for (i = 15; i >= 0; i--) { - int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0; - - RTL_W8 (Config4, MDIO_DIR | dataval); - mdio_delay (); - RTL_W8 (Config4, MDIO_DIR | dataval | MDIO_CLK); - mdio_delay (); - } - - /* Read the two transition, 16 data, and wire-idle bits. */ - for (i = 19; i > 0; i--) { - RTL_W8 (Config4, 0); - mdio_delay (); - retval = (retval << 1) | ((RTL_R8 (Config4) & MDIO_DATA_IN) ? 1 : 0); - RTL_W8 (Config4, MDIO_CLK); - mdio_delay (); - } -#endif - - return (retval >> 1) & 0xffff; -} - - -static void mdio_write (struct net_device *dev, int phy_id, int location, - int value) -{ - struct rtl8139_private *tp = netdev_priv(dev); -#ifdef CONFIG_8139TOO_8129 - void __iomem *ioaddr = tp->mmio_addr; - int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value; - int i; -#endif - - if (phy_id > 31) { /* Really a 8139. Use internal registers. */ - void __iomem *ioaddr = tp->mmio_addr; - if (location == 0) { - RTL_W8 (Cfg9346, Cfg9346_Unlock); - RTL_W16 (BasicModeCtrl, value); - RTL_W8 (Cfg9346, Cfg9346_Lock); - } else if (location < 8 && mii_2_8139_map[location]) - RTL_W16 (mii_2_8139_map[location], value); - return; - } - -#ifdef CONFIG_8139TOO_8129 - mdio_sync (ioaddr); - - /* Shift the command bits out. */ - for (i = 31; i >= 0; i--) { - int dataval = - (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0; - RTL_W8 (Config4, dataval); - mdio_delay (); - RTL_W8 (Config4, dataval | MDIO_CLK); - mdio_delay (); - } - /* Clear out extra bits. */ - for (i = 2; i > 0; i--) { - RTL_W8 (Config4, 0); - mdio_delay (); - RTL_W8 (Config4, MDIO_CLK); - mdio_delay (); - } -#endif -} - - -static int rtl8139_open (struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - int retval; - void __iomem *ioaddr = tp->mmio_addr; - - retval = request_irq (dev->irq, rtl8139_interrupt, IRQF_SHARED, dev->name, dev); - if (retval) - return retval; - - tp->tx_bufs = dma_alloc_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, - &tp->tx_bufs_dma, GFP_KERNEL); - tp->rx_ring = dma_alloc_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, - &tp->rx_ring_dma, GFP_KERNEL); - if (tp->tx_bufs == NULL || tp->rx_ring == NULL) { - free_irq(dev->irq, dev); - - if (tp->tx_bufs) - dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, - tp->tx_bufs, tp->tx_bufs_dma); - if (tp->rx_ring) - dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, - tp->rx_ring, tp->rx_ring_dma); - - return -ENOMEM; - - } - - napi_enable(&tp->napi); - - tp->mii.full_duplex = tp->mii.force_media; - tp->tx_flag = (TX_FIFO_THRESH << 11) & 0x003f0000; - - rtl8139_init_ring (dev); - rtl8139_hw_start (dev); - netif_start_queue (dev); - - if (netif_msg_ifup(tp)) - printk(KERN_DEBUG "%s: rtl8139_open() ioaddr %#llx IRQ %d" - " GP Pins %2.2x %s-duplex.\n", dev->name, - (unsigned long long)pci_resource_start (tp->pci_dev, 1), - dev->irq, RTL_R8 (MediaStatus), - tp->mii.full_duplex ? "full" : "half"); - - rtl8139_start_thread(tp); - - return 0; -} - - -static void rtl_check_media (struct net_device *dev, unsigned int init_media) -{ - struct rtl8139_private *tp = netdev_priv(dev); - - if (tp->phys[0] >= 0) { - mii_check_media(&tp->mii, netif_msg_link(tp), init_media); - } -} - -/* Start the hardware at open or resume. */ -static void rtl8139_hw_start (struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - u32 i; - u8 tmp; - - /* Bring old chips out of low-power mode. */ - if (rtl_chip_info[tp->chipset].flags & HasHltClk) - RTL_W8 (HltClk, 'R'); - - rtl8139_chip_reset (ioaddr); - - /* unlock Config[01234] and BMCR register writes */ - RTL_W8_F (Cfg9346, Cfg9346_Unlock); - /* Restore our idea of the MAC address. */ - RTL_W32_F (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0))); - RTL_W32_F (MAC0 + 4, le16_to_cpu (*(__le16 *) (dev->dev_addr + 4))); - - /* Must enable Tx/Rx before setting transfer thresholds! */ - RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); - - tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys; - RTL_W32 (RxConfig, tp->rx_config); - RTL_W32 (TxConfig, rtl8139_tx_config); - - tp->cur_rx = 0; - - rtl_check_media (dev, 1); - - if (tp->chipset >= CH_8139B) { - /* Disable magic packet scanning, which is enabled - * when PM is enabled in Config1. It can be reenabled - * via ETHTOOL_SWOL if desired. */ - RTL_W8 (Config3, RTL_R8 (Config3) & ~Cfg3_Magic); - } - - DPRINTK("init buffer addresses\n"); - - /* Lock Config[01234] and BMCR register writes */ - RTL_W8 (Cfg9346, Cfg9346_Lock); - - /* init Rx ring buffer DMA address */ - RTL_W32_F (RxBuf, tp->rx_ring_dma); - - /* init Tx buffer DMA addresses */ - for (i = 0; i < NUM_TX_DESC; i++) - RTL_W32_F (TxAddr0 + (i * 4), tp->tx_bufs_dma + (tp->tx_buf[i] - tp->tx_bufs)); - - RTL_W32 (RxMissed, 0); - - rtl8139_set_rx_mode (dev); - - /* no early-rx interrupts */ - RTL_W16 (MultiIntr, RTL_R16 (MultiIntr) & MultiIntrClear); - - /* make sure RxTx has started */ - tmp = RTL_R8 (ChipCmd); - if ((!(tmp & CmdRxEnb)) || (!(tmp & CmdTxEnb))) - RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); - - /* Enable all known interrupts by setting the interrupt mask. */ - RTL_W16 (IntrMask, rtl8139_intr_mask); -} - - -/* Initialize the Rx and Tx rings, along with various 'dev' bits. */ -static void rtl8139_init_ring (struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - int i; - - tp->cur_rx = 0; - tp->cur_tx = 0; - tp->dirty_tx = 0; - - for (i = 0; i < NUM_TX_DESC; i++) - tp->tx_buf[i] = &tp->tx_bufs[i * TX_BUF_SIZE]; -} - - -/* This must be global for CONFIG_8139TOO_TUNE_TWISTER case */ -static int next_tick = 3 * HZ; - -#ifndef CONFIG_8139TOO_TUNE_TWISTER -static inline void rtl8139_tune_twister (struct net_device *dev, - struct rtl8139_private *tp) {} -#else -enum TwisterParamVals { - PARA78_default = 0x78fa8388, - PARA7c_default = 0xcb38de43, /* param[0][3] */ - PARA7c_xxx = 0xcb38de43, -}; - -static const unsigned long param[4][4] = { - {0xcb39de43, 0xcb39ce43, 0xfb38de03, 0xcb38de43}, - {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83}, - {0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83}, - {0xbb39de43, 0xbb39ce43, 0xbb39ce83, 0xbb39ce83} -}; - -static void rtl8139_tune_twister (struct net_device *dev, - struct rtl8139_private *tp) -{ - int linkcase; - void __iomem *ioaddr = tp->mmio_addr; - - /* This is a complicated state machine to configure the "twister" for - impedance/echos based on the cable length. - All of this is magic and undocumented. - */ - switch (tp->twistie) { - case 1: - if (RTL_R16 (CSCR) & CSCR_LinkOKBit) { - /* We have link beat, let us tune the twister. */ - RTL_W16 (CSCR, CSCR_LinkDownOffCmd); - tp->twistie = 2; /* Change to state 2. */ - next_tick = HZ / 10; - } else { - /* Just put in some reasonable defaults for when beat returns. */ - RTL_W16 (CSCR, CSCR_LinkDownCmd); - RTL_W32 (FIFOTMS, 0x20); /* Turn on cable test mode. */ - RTL_W32 (PARA78, PARA78_default); - RTL_W32 (PARA7c, PARA7c_default); - tp->twistie = 0; /* Bail from future actions. */ - } - break; - case 2: - /* Read how long it took to hear the echo. */ - linkcase = RTL_R16 (CSCR) & CSCR_LinkStatusBits; - if (linkcase == 0x7000) - tp->twist_row = 3; - else if (linkcase == 0x3000) - tp->twist_row = 2; - else if (linkcase == 0x1000) - tp->twist_row = 1; - else - tp->twist_row = 0; - tp->twist_col = 0; - tp->twistie = 3; /* Change to state 2. */ - next_tick = HZ / 10; - break; - case 3: - /* Put out four tuning parameters, one per 100msec. */ - if (tp->twist_col == 0) - RTL_W16 (FIFOTMS, 0); - RTL_W32 (PARA7c, param[(int) tp->twist_row] - [(int) tp->twist_col]); - next_tick = HZ / 10; - if (++tp->twist_col >= 4) { - /* For short cables we are done. - For long cables (row == 3) check for mistune. */ - tp->twistie = - (tp->twist_row == 3) ? 4 : 0; - } - break; - case 4: - /* Special case for long cables: check for mistune. */ - if ((RTL_R16 (CSCR) & - CSCR_LinkStatusBits) == 0x7000) { - tp->twistie = 0; - break; - } else { - RTL_W32 (PARA7c, 0xfb38de03); - tp->twistie = 5; - next_tick = HZ / 10; - } - break; - case 5: - /* Retune for shorter cable (column 2). */ - RTL_W32 (FIFOTMS, 0x20); - RTL_W32 (PARA78, PARA78_default); - RTL_W32 (PARA7c, PARA7c_default); - RTL_W32 (FIFOTMS, 0x00); - tp->twist_row = 2; - tp->twist_col = 0; - tp->twistie = 3; - next_tick = HZ / 10; - break; - - default: - /* do nothing */ - break; - } -} -#endif /* CONFIG_8139TOO_TUNE_TWISTER */ - -static inline void rtl8139_thread_iter (struct net_device *dev, - struct rtl8139_private *tp, - void __iomem *ioaddr) -{ - int mii_lpa; - - mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA); - - if (!tp->mii.force_media && mii_lpa != 0xffff) { - int duplex = (mii_lpa & LPA_100FULL) - || (mii_lpa & 0x01C0) == 0x0040; - if (tp->mii.full_duplex != duplex) { - tp->mii.full_duplex = duplex; - - if (mii_lpa) { - printk (KERN_INFO - "%s: Setting %s-duplex based on MII #%d link" - " partner ability of %4.4x.\n", - dev->name, - tp->mii.full_duplex ? "full" : "half", - tp->phys[0], mii_lpa); - } else { - printk(KERN_INFO"%s: media is unconnected, link down, or incompatible connection\n", - dev->name); - } -#if 0 - RTL_W8 (Cfg9346, Cfg9346_Unlock); - RTL_W8 (Config1, tp->mii.full_duplex ? 0x60 : 0x20); - RTL_W8 (Cfg9346, Cfg9346_Lock); -#endif - } - } - - next_tick = HZ * 60; - - rtl8139_tune_twister (dev, tp); - - DPRINTK ("%s: Media selection tick, Link partner %4.4x.\n", - dev->name, RTL_R16 (NWayLPAR)); - DPRINTK ("%s: Other registers are IntMask %4.4x IntStatus %4.4x\n", - dev->name, RTL_R16 (IntrMask), RTL_R16 (IntrStatus)); - DPRINTK ("%s: Chip config %2.2x %2.2x.\n", - dev->name, RTL_R8 (Config0), - RTL_R8 (Config1)); -} - -static void rtl8139_thread (struct work_struct *work) -{ - struct rtl8139_private *tp = - container_of(work, struct rtl8139_private, thread.work); - struct net_device *dev = tp->mii.dev; - unsigned long thr_delay = next_tick; - - rtnl_lock(); - - if (!netif_running(dev)) - goto out_unlock; - - if (tp->watchdog_fired) { - tp->watchdog_fired = 0; - rtl8139_tx_timeout_task(work); - } else - rtl8139_thread_iter(dev, tp, tp->mmio_addr); - - if (tp->have_thread) - schedule_delayed_work(&tp->thread, thr_delay); -out_unlock: - rtnl_unlock (); -} - -static void rtl8139_start_thread(struct rtl8139_private *tp) -{ - tp->twistie = 0; - if (tp->chipset == CH_8139_K) - tp->twistie = 1; - else if (tp->drv_flags & HAS_LNK_CHNG) - return; - - tp->have_thread = 1; - tp->watchdog_fired = 0; - - schedule_delayed_work(&tp->thread, next_tick); -} - -static inline void rtl8139_tx_clear (struct rtl8139_private *tp) -{ - tp->cur_tx = 0; - tp->dirty_tx = 0; - - /* XXX account for unsent Tx packets in tp->stats.tx_dropped */ -} - -static void rtl8139_tx_timeout_task (struct work_struct *work) -{ - struct rtl8139_private *tp = - container_of(work, struct rtl8139_private, thread.work); - struct net_device *dev = tp->mii.dev; - void __iomem *ioaddr = tp->mmio_addr; - int i; - u8 tmp8; - - printk (KERN_DEBUG "%s: Transmit timeout, status %2.2x %4.4x %4.4x " - "media %2.2x.\n", dev->name, RTL_R8 (ChipCmd), - RTL_R16(IntrStatus), RTL_R16(IntrMask), RTL_R8(MediaStatus)); - /* Emit info to figure out what went wrong. */ - printk (KERN_DEBUG "%s: Tx queue start entry %ld dirty entry %ld.\n", - dev->name, tp->cur_tx, tp->dirty_tx); - for (i = 0; i < NUM_TX_DESC; i++) - printk (KERN_DEBUG "%s: Tx descriptor %d is %8.8lx.%s\n", - dev->name, i, RTL_R32 (TxStatus0 + (i * 4)), - i == tp->dirty_tx % NUM_TX_DESC ? - " (queue head)" : ""); - - tp->xstats.tx_timeouts++; - - /* disable Tx ASAP, if not already */ - tmp8 = RTL_R8 (ChipCmd); - if (tmp8 & CmdTxEnb) - RTL_W8 (ChipCmd, CmdRxEnb); - - spin_lock_bh(&tp->rx_lock); - /* Disable interrupts by clearing the interrupt mask. */ - RTL_W16 (IntrMask, 0x0000); - - /* Stop a shared interrupt from scavenging while we are. */ - spin_lock_irq(&tp->lock); - rtl8139_tx_clear (tp); - spin_unlock_irq(&tp->lock); - - /* ...and finally, reset everything */ - if (netif_running(dev)) { - rtl8139_hw_start (dev); - netif_wake_queue (dev); - } - spin_unlock_bh(&tp->rx_lock); -} - -static void rtl8139_tx_timeout (struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - - tp->watchdog_fired = 1; - if (!tp->have_thread) { - INIT_DELAYED_WORK(&tp->thread, rtl8139_thread); - schedule_delayed_work(&tp->thread, next_tick); - } -} - -static int rtl8139_start_xmit (struct sk_buff *skb, struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - unsigned int entry; - unsigned int len = skb->len; - unsigned long flags; - - /* Calculate the next Tx descriptor entry. */ - entry = tp->cur_tx % NUM_TX_DESC; - - /* Note: the chip doesn't have auto-pad! */ - if (likely(len < TX_BUF_SIZE)) { - if (len < ETH_ZLEN) - memset(tp->tx_buf[entry], 0, ETH_ZLEN); - skb_copy_and_csum_dev(skb, tp->tx_buf[entry]); - dev_kfree_skb(skb); - } else { - dev_kfree_skb(skb); - tp->stats.tx_dropped++; - return 0; - } - - spin_lock_irqsave(&tp->lock, flags); - RTL_W32_F (TxStatus0 + (entry * sizeof (u32)), - tp->tx_flag | max(len, (unsigned int)ETH_ZLEN)); - - dev->trans_start = jiffies; - - tp->cur_tx++; - wmb(); - - if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx) - netif_stop_queue (dev); - spin_unlock_irqrestore(&tp->lock, flags); - - if (netif_msg_tx_queued(tp)) - printk (KERN_DEBUG "%s: Queued Tx packet size %u to slot %d.\n", - dev->name, len, entry); - - return 0; -} - - -static void rtl8139_tx_interrupt (struct net_device *dev, - struct rtl8139_private *tp, - void __iomem *ioaddr) -{ - unsigned long dirty_tx, tx_left; - - assert (dev != NULL); - assert (ioaddr != NULL); - - dirty_tx = tp->dirty_tx; - tx_left = tp->cur_tx - dirty_tx; - while (tx_left > 0) { - int entry = dirty_tx % NUM_TX_DESC; - int txstatus; - - txstatus = RTL_R32 (TxStatus0 + (entry * sizeof (u32))); - - if (!(txstatus & (TxStatOK | TxUnderrun | TxAborted))) - break; /* It still hasn't been Txed */ - - /* Note: TxCarrierLost is always asserted at 100mbps. */ - if (txstatus & (TxOutOfWindow | TxAborted)) { - /* There was an major error, log it. */ - if (netif_msg_tx_err(tp)) - printk(KERN_DEBUG "%s: Transmit error, Tx status %8.8x.\n", - dev->name, txstatus); - tp->stats.tx_errors++; - if (txstatus & TxAborted) { - tp->stats.tx_aborted_errors++; - RTL_W32 (TxConfig, TxClearAbt); - RTL_W16 (IntrStatus, TxErr); - wmb(); - } - if (txstatus & TxCarrierLost) - tp->stats.tx_carrier_errors++; - if (txstatus & TxOutOfWindow) - tp->stats.tx_window_errors++; - } else { - if (txstatus & TxUnderrun) { - /* Add 64 to the Tx FIFO threshold. */ - if (tp->tx_flag < 0x00300000) - tp->tx_flag += 0x00020000; - tp->stats.tx_fifo_errors++; - } - tp->stats.collisions += (txstatus >> 24) & 15; - tp->stats.tx_bytes += txstatus & 0x7ff; - tp->stats.tx_packets++; - } - - dirty_tx++; - tx_left--; - } - -#ifndef RTL8139_NDEBUG - if (tp->cur_tx - dirty_tx > NUM_TX_DESC) { - printk (KERN_ERR "%s: Out-of-sync dirty pointer, %ld vs. %ld.\n", - dev->name, dirty_tx, tp->cur_tx); - dirty_tx += NUM_TX_DESC; - } -#endif /* RTL8139_NDEBUG */ - - /* only wake the queue if we did work, and the queue is stopped */ - if (tp->dirty_tx != dirty_tx) { - tp->dirty_tx = dirty_tx; - mb(); - netif_wake_queue (dev); - } -} - - -/* TODO: clean this up! Rx reset need not be this intensive */ -static void rtl8139_rx_err (u32 rx_status, struct net_device *dev, - struct rtl8139_private *tp, void __iomem *ioaddr) -{ - u8 tmp8; -#ifdef CONFIG_8139_OLD_RX_RESET - int tmp_work; -#endif - - if (netif_msg_rx_err (tp)) - printk(KERN_DEBUG "%s: Ethernet frame had errors, status %8.8x.\n", - dev->name, rx_status); - tp->stats.rx_errors++; - if (!(rx_status & RxStatusOK)) { - if (rx_status & RxTooLong) { - DPRINTK ("%s: Oversized Ethernet frame, status %4.4x!\n", - dev->name, rx_status); - /* A.C.: The chip hangs here. */ - } - if (rx_status & (RxBadSymbol | RxBadAlign)) - tp->stats.rx_frame_errors++; - if (rx_status & (RxRunt | RxTooLong)) - tp->stats.rx_length_errors++; - if (rx_status & RxCRCErr) - tp->stats.rx_crc_errors++; - } else { - tp->xstats.rx_lost_in_ring++; - } - -#ifndef CONFIG_8139_OLD_RX_RESET - tmp8 = RTL_R8 (ChipCmd); - RTL_W8 (ChipCmd, tmp8 & ~CmdRxEnb); - RTL_W8 (ChipCmd, tmp8); - RTL_W32 (RxConfig, tp->rx_config); - tp->cur_rx = 0; -#else - /* Reset the receiver, based on RealTek recommendation. (Bug?) */ - - /* disable receive */ - RTL_W8_F (ChipCmd, CmdTxEnb); - tmp_work = 200; - while (--tmp_work > 0) { - udelay(1); - tmp8 = RTL_R8 (ChipCmd); - if (!(tmp8 & CmdRxEnb)) - break; - } - if (tmp_work <= 0) - printk (KERN_WARNING PFX "rx stop wait too long\n"); - /* restart receive */ - tmp_work = 200; - while (--tmp_work > 0) { - RTL_W8_F (ChipCmd, CmdRxEnb | CmdTxEnb); - udelay(1); - tmp8 = RTL_R8 (ChipCmd); - if ((tmp8 & CmdRxEnb) && (tmp8 & CmdTxEnb)) - break; - } - if (tmp_work <= 0) - printk (KERN_WARNING PFX "tx/rx enable wait too long\n"); - - /* and reinitialize all rx related registers */ - RTL_W8_F (Cfg9346, Cfg9346_Unlock); - /* Must enable Tx/Rx before setting transfer thresholds! */ - RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb); - - tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys; - RTL_W32 (RxConfig, tp->rx_config); - tp->cur_rx = 0; - - DPRINTK("init buffer addresses\n"); - - /* Lock Config[01234] and BMCR register writes */ - RTL_W8 (Cfg9346, Cfg9346_Lock); - - /* init Rx ring buffer DMA address */ - RTL_W32_F (RxBuf, tp->rx_ring_dma); - - /* A.C.: Reset the multicast list. */ - __set_rx_mode (dev); -#endif -} - -#if RX_BUF_IDX == 3 -static __inline__ void wrap_copy(struct sk_buff *skb, const unsigned char *ring, - u32 offset, unsigned int size) -{ - u32 left = RX_BUF_LEN - offset; - - if (size > left) { - skb_copy_to_linear_data(skb, ring + offset, left); - skb_copy_to_linear_data_offset(skb, left, ring, size - left); - } else - skb_copy_to_linear_data(skb, ring + offset, size); -} -#endif - -static void rtl8139_isr_ack(struct rtl8139_private *tp) -{ - void __iomem *ioaddr = tp->mmio_addr; - u16 status; - - status = RTL_R16 (IntrStatus) & RxAckBits; - - /* Clear out errors and receive interrupts */ - if (likely(status != 0)) { - if (unlikely(status & (RxFIFOOver | RxOverflow))) { - tp->stats.rx_errors++; - if (status & RxFIFOOver) - tp->stats.rx_fifo_errors++; - } - RTL_W16_F (IntrStatus, RxAckBits); - } -} - -static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp, - int budget) -{ - void __iomem *ioaddr = tp->mmio_addr; - int received = 0; - unsigned char *rx_ring = tp->rx_ring; - unsigned int cur_rx = tp->cur_rx; - unsigned int rx_size = 0; - - DPRINTK ("%s: In rtl8139_rx(), current %4.4x BufAddr %4.4x," - " free to %4.4x, Cmd %2.2x.\n", dev->name, (u16)cur_rx, - RTL_R16 (RxBufAddr), - RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd)); - - while (netif_running(dev) && received < budget - && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) { - u32 ring_offset = cur_rx % RX_BUF_LEN; - u32 rx_status; - unsigned int pkt_size; - struct sk_buff *skb; - - rmb(); - - /* read size+status of next frame from DMA ring buffer */ - rx_status = le32_to_cpu (*(__le32 *) (rx_ring + ring_offset)); - rx_size = rx_status >> 16; - pkt_size = rx_size - 4; - - if (netif_msg_rx_status(tp)) - printk(KERN_DEBUG "%s: rtl8139_rx() status %4.4x, size %4.4x," - " cur %4.4x.\n", dev->name, rx_status, - rx_size, cur_rx); -#if RTL8139_DEBUG > 2 - { - int i; - DPRINTK ("%s: Frame contents ", dev->name); - for (i = 0; i < 70; i++) - printk (" %2.2x", - rx_ring[ring_offset + i]); - printk (".\n"); - } -#endif - - /* Packet copy from FIFO still in progress. - * Theoretically, this should never happen - * since EarlyRx is disabled. - */ - if (unlikely(rx_size == 0xfff0)) { - if (!tp->fifo_copy_timeout) - tp->fifo_copy_timeout = jiffies + 2; - else if (time_after(jiffies, tp->fifo_copy_timeout)) { - DPRINTK ("%s: hung FIFO. Reset.", dev->name); - rx_size = 0; - goto no_early_rx; - } - if (netif_msg_intr(tp)) { - printk(KERN_DEBUG "%s: fifo copy in progress.", - dev->name); - } - tp->xstats.early_rx++; - break; - } - -no_early_rx: - tp->fifo_copy_timeout = 0; - - /* If Rx err or invalid rx_size/rx_status received - * (which happens if we get lost in the ring), - * Rx process gets reset, so we abort any further - * Rx processing. - */ - if (unlikely((rx_size > (MAX_ETH_FRAME_SIZE+4)) || - (rx_size < 8) || - (!(rx_status & RxStatusOK)))) { - rtl8139_rx_err (rx_status, dev, tp, ioaddr); - received = -1; - goto out; - } - - /* Malloc up new buffer, compatible with net-2e. */ - /* Omit the four octet CRC from the length. */ - - skb = dev_alloc_skb (pkt_size + 2); - if (likely(skb)) { - skb_reserve (skb, 2); /* 16 byte align the IP fields. */ -#if RX_BUF_IDX == 3 - wrap_copy(skb, rx_ring, ring_offset+4, pkt_size); -#else - skb_copy_to_linear_data (skb, &rx_ring[ring_offset + 4], pkt_size); -#endif - skb_put (skb, pkt_size); - - skb->protocol = eth_type_trans (skb, dev); - - dev->last_rx = jiffies; - tp->stats.rx_bytes += pkt_size; - tp->stats.rx_packets++; - - netif_receive_skb (skb); - } else { - if (net_ratelimit()) - printk (KERN_WARNING - "%s: Memory squeeze, dropping packet.\n", - dev->name); - tp->stats.rx_dropped++; - } - received++; - - cur_rx = (cur_rx + rx_size + 4 + 3) & ~3; - RTL_W16 (RxBufPtr, (u16) (cur_rx - 16)); - - rtl8139_isr_ack(tp); - } - - if (unlikely(!received || rx_size == 0xfff0)) - rtl8139_isr_ack(tp); - -#if RTL8139_DEBUG > 1 - DPRINTK ("%s: Done rtl8139_rx(), current %4.4x BufAddr %4.4x," - " free to %4.4x, Cmd %2.2x.\n", dev->name, cur_rx, - RTL_R16 (RxBufAddr), - RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd)); -#endif - - tp->cur_rx = cur_rx; - - /* - * The receive buffer should be mostly empty. - * Tell NAPI to reenable the Rx irq. - */ - if (tp->fifo_copy_timeout) - received = budget; - -out: - return received; -} - - -static void rtl8139_weird_interrupt (struct net_device *dev, - struct rtl8139_private *tp, - void __iomem *ioaddr, - int status, int link_changed) -{ - DPRINTK ("%s: Abnormal interrupt, status %8.8x.\n", - dev->name, status); - - assert (dev != NULL); - assert (tp != NULL); - assert (ioaddr != NULL); - - /* Update the error count. */ - tp->stats.rx_missed_errors += RTL_R32 (RxMissed); - RTL_W32 (RxMissed, 0); - - if ((status & RxUnderrun) && link_changed && - (tp->drv_flags & HAS_LNK_CHNG)) { - rtl_check_media(dev, 0); - status &= ~RxUnderrun; - } - - if (status & (RxUnderrun | RxErr)) - tp->stats.rx_errors++; - - if (status & PCSTimeout) - tp->stats.rx_length_errors++; - if (status & RxUnderrun) - tp->stats.rx_fifo_errors++; - if (status & PCIErr) { - u16 pci_cmd_status; - pci_read_config_word (tp->pci_dev, PCI_STATUS, &pci_cmd_status); - pci_write_config_word (tp->pci_dev, PCI_STATUS, pci_cmd_status); - - printk (KERN_ERR "%s: PCI Bus error %4.4x.\n", - dev->name, pci_cmd_status); - } -} - -static int rtl8139_poll(struct napi_struct *napi, int budget) -{ - struct rtl8139_private *tp = container_of(napi, struct rtl8139_private, napi); - struct net_device *dev = tp->dev; - void __iomem *ioaddr = tp->mmio_addr; - int work_done; - - spin_lock(&tp->rx_lock); - work_done = 0; - if (likely(RTL_R16(IntrStatus) & RxAckBits)) - work_done += rtl8139_rx(dev, tp, budget); - - if (work_done < budget) { - unsigned long flags; - /* - * Order is important since data can get interrupted - * again when we think we are done. - */ - spin_lock_irqsave(&tp->lock, flags); - RTL_W16_F(IntrMask, rtl8139_intr_mask); - __netif_rx_complete(dev, napi); - spin_unlock_irqrestore(&tp->lock, flags); - } - spin_unlock(&tp->rx_lock); - - return work_done; -} - -/* The interrupt handler does all of the Rx thread work and cleans up - after the Tx thread. */ -static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance) -{ - struct net_device *dev = (struct net_device *) dev_instance; - struct rtl8139_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - u16 status, ackstat; - int link_changed = 0; /* avoid bogus "uninit" warning */ - int handled = 0; - - spin_lock (&tp->lock); - status = RTL_R16 (IntrStatus); - - /* shared irq? */ - if (unlikely((status & rtl8139_intr_mask) == 0)) - goto out; - - handled = 1; - - /* h/w no longer present (hotplug?) or major error, bail */ - if (unlikely(status == 0xFFFF)) - goto out; - - /* close possible race's with dev_close */ - if (unlikely(!netif_running(dev))) { - RTL_W16 (IntrMask, 0); - goto out; - } - - /* Acknowledge all of the current interrupt sources ASAP, but - an first get an additional status bit from CSCR. */ - if (unlikely(status & RxUnderrun)) - link_changed = RTL_R16 (CSCR) & CSCR_LinkChangeBit; - - ackstat = status & ~(RxAckBits | TxErr); - if (ackstat) - RTL_W16 (IntrStatus, ackstat); - - /* Receive packets are processed by poll routine. - If not running start it now. */ - if (status & RxAckBits){ - if (netif_rx_schedule_prep(dev, &tp->napi)) { - RTL_W16_F (IntrMask, rtl8139_norx_intr_mask); - __netif_rx_schedule(dev, &tp->napi); - } - } - - /* Check uncommon events with one test. */ - if (unlikely(status & (PCIErr | PCSTimeout | RxUnderrun | RxErr))) - rtl8139_weird_interrupt (dev, tp, ioaddr, - status, link_changed); - - if (status & (TxOK | TxErr)) { - rtl8139_tx_interrupt (dev, tp, ioaddr); - if (status & TxErr) - RTL_W16 (IntrStatus, TxErr); - } - out: - spin_unlock (&tp->lock); - - DPRINTK ("%s: exiting interrupt, intr_status=%#4.4x.\n", - dev->name, RTL_R16 (IntrStatus)); - return IRQ_RETVAL(handled); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -/* - * Polling receive - used by netconsole and other diagnostic tools - * to allow network i/o with interrupts disabled. - */ -static void rtl8139_poll_controller(struct net_device *dev) -{ - disable_irq(dev->irq); - rtl8139_interrupt(dev->irq, dev); - enable_irq(dev->irq); -} -#endif - -static int rtl8139_close (struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - unsigned long flags; - - netif_stop_queue(dev); - napi_disable(&tp->napi); - - if (netif_msg_ifdown(tp)) - printk(KERN_DEBUG "%s: Shutting down ethercard, status was 0x%4.4x.\n", - dev->name, RTL_R16 (IntrStatus)); - - spin_lock_irqsave (&tp->lock, flags); - - /* Stop the chip's Tx and Rx DMA processes. */ - RTL_W8 (ChipCmd, 0); - - /* Disable interrupts by clearing the interrupt mask. */ - RTL_W16 (IntrMask, 0); - - /* Update the error counts. */ - tp->stats.rx_missed_errors += RTL_R32 (RxMissed); - RTL_W32 (RxMissed, 0); - - spin_unlock_irqrestore (&tp->lock, flags); - - synchronize_irq (dev->irq); /* racy, but that's ok here */ - free_irq (dev->irq, dev); - - rtl8139_tx_clear (tp); - - dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN, - tp->rx_ring, tp->rx_ring_dma); - dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN, - tp->tx_bufs, tp->tx_bufs_dma); - tp->rx_ring = NULL; - tp->tx_bufs = NULL; - - /* Green! Put the chip in low-power mode. */ - RTL_W8 (Cfg9346, Cfg9346_Unlock); - - if (rtl_chip_info[tp->chipset].flags & HasHltClk) - RTL_W8 (HltClk, 'H'); /* 'R' would leave the clock running. */ - - return 0; -} - - -/* Get the ethtool Wake-on-LAN settings. Assumes that wol points to - kernel memory, *wol has been initialized as {ETHTOOL_GWOL}, and - other threads or interrupts aren't messing with the 8139. */ -static void rtl8139_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - struct rtl8139_private *np = netdev_priv(dev); - void __iomem *ioaddr = np->mmio_addr; - - spin_lock_irq(&np->lock); - if (rtl_chip_info[np->chipset].flags & HasLWake) { - u8 cfg3 = RTL_R8 (Config3); - u8 cfg5 = RTL_R8 (Config5); - - wol->supported = WAKE_PHY | WAKE_MAGIC - | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST; - - wol->wolopts = 0; - if (cfg3 & Cfg3_LinkUp) - wol->wolopts |= WAKE_PHY; - if (cfg3 & Cfg3_Magic) - wol->wolopts |= WAKE_MAGIC; - /* (KON)FIXME: See how netdev_set_wol() handles the - following constants. */ - if (cfg5 & Cfg5_UWF) - wol->wolopts |= WAKE_UCAST; - if (cfg5 & Cfg5_MWF) - wol->wolopts |= WAKE_MCAST; - if (cfg5 & Cfg5_BWF) - wol->wolopts |= WAKE_BCAST; - } - spin_unlock_irq(&np->lock); -} - - -/* Set the ethtool Wake-on-LAN settings. Return 0 or -errno. Assumes - that wol points to kernel memory and other threads or interrupts - aren't messing with the 8139. */ -static int rtl8139_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) -{ - struct rtl8139_private *np = netdev_priv(dev); - void __iomem *ioaddr = np->mmio_addr; - u32 support; - u8 cfg3, cfg5; - - support = ((rtl_chip_info[np->chipset].flags & HasLWake) - ? (WAKE_PHY | WAKE_MAGIC - | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST) - : 0); - if (wol->wolopts & ~support) - return -EINVAL; - - spin_lock_irq(&np->lock); - cfg3 = RTL_R8 (Config3) & ~(Cfg3_LinkUp | Cfg3_Magic); - if (wol->wolopts & WAKE_PHY) - cfg3 |= Cfg3_LinkUp; - if (wol->wolopts & WAKE_MAGIC) - cfg3 |= Cfg3_Magic; - RTL_W8 (Cfg9346, Cfg9346_Unlock); - RTL_W8 (Config3, cfg3); - RTL_W8 (Cfg9346, Cfg9346_Lock); - - cfg5 = RTL_R8 (Config5) & ~(Cfg5_UWF | Cfg5_MWF | Cfg5_BWF); - /* (KON)FIXME: These are untested. We may have to set the - CRC0, Wakeup0 and LSBCRC0 registers too, but I have no - documentation. */ - if (wol->wolopts & WAKE_UCAST) - cfg5 |= Cfg5_UWF; - if (wol->wolopts & WAKE_MCAST) - cfg5 |= Cfg5_MWF; - if (wol->wolopts & WAKE_BCAST) - cfg5 |= Cfg5_BWF; - RTL_W8 (Config5, cfg5); /* need not unlock via Cfg9346 */ - spin_unlock_irq(&np->lock); - - return 0; -} - -static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) -{ - struct rtl8139_private *np = netdev_priv(dev); - strcpy(info->driver, DRV_NAME); - strcpy(info->version, DRV_VERSION); - strcpy(info->bus_info, pci_name(np->pci_dev)); - info->regdump_len = np->regs_len; -} - -static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct rtl8139_private *np = netdev_priv(dev); - spin_lock_irq(&np->lock); - mii_ethtool_gset(&np->mii, cmd); - spin_unlock_irq(&np->lock); - return 0; -} - -static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct rtl8139_private *np = netdev_priv(dev); - int rc; - spin_lock_irq(&np->lock); - rc = mii_ethtool_sset(&np->mii, cmd); - spin_unlock_irq(&np->lock); - return rc; -} - -static int rtl8139_nway_reset(struct net_device *dev) -{ - struct rtl8139_private *np = netdev_priv(dev); - return mii_nway_restart(&np->mii); -} - -static u32 rtl8139_get_link(struct net_device *dev) -{ - struct rtl8139_private *np = netdev_priv(dev); - return mii_link_ok(&np->mii); -} - -static u32 rtl8139_get_msglevel(struct net_device *dev) -{ - struct rtl8139_private *np = netdev_priv(dev); - return np->msg_enable; -} - -static void rtl8139_set_msglevel(struct net_device *dev, u32 datum) -{ - struct rtl8139_private *np = netdev_priv(dev); - np->msg_enable = datum; -} - -/* TODO: we are too slack to do reg dumping for pio, for now */ -#ifdef CONFIG_8139TOO_PIO -#define rtl8139_get_regs_len NULL -#define rtl8139_get_regs NULL -#else -static int rtl8139_get_regs_len(struct net_device *dev) -{ - struct rtl8139_private *np = netdev_priv(dev); - return np->regs_len; -} - -static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) -{ - struct rtl8139_private *np = netdev_priv(dev); - - regs->version = RTL_REGS_VER; - - spin_lock_irq(&np->lock); - memcpy_fromio(regbuf, np->mmio_addr, regs->len); - spin_unlock_irq(&np->lock); -} -#endif /* CONFIG_8139TOO_MMIO */ - -static int rtl8139_get_sset_count(struct net_device *dev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return RTL_NUM_STATS; - default: - return -EOPNOTSUPP; - } -} - -static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) -{ - struct rtl8139_private *np = netdev_priv(dev); - - data[0] = np->xstats.early_rx; - data[1] = np->xstats.tx_buf_mapped; - data[2] = np->xstats.tx_timeouts; - data[3] = np->xstats.rx_lost_in_ring; -} - -static void rtl8139_get_strings(struct net_device *dev, u32 stringset, u8 *data) -{ - memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys)); -} - -static const struct ethtool_ops rtl8139_ethtool_ops = { - .get_drvinfo = rtl8139_get_drvinfo, - .get_settings = rtl8139_get_settings, - .set_settings = rtl8139_set_settings, - .get_regs_len = rtl8139_get_regs_len, - .get_regs = rtl8139_get_regs, - .nway_reset = rtl8139_nway_reset, - .get_link = rtl8139_get_link, - .get_msglevel = rtl8139_get_msglevel, - .set_msglevel = rtl8139_set_msglevel, - .get_wol = rtl8139_get_wol, - .set_wol = rtl8139_set_wol, - .get_strings = rtl8139_get_strings, - .get_sset_count = rtl8139_get_sset_count, - .get_ethtool_stats = rtl8139_get_ethtool_stats, -}; - -static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) -{ - struct rtl8139_private *np = netdev_priv(dev); - int rc; - - if (!netif_running(dev)) - return -EINVAL; - - spin_lock_irq(&np->lock); - rc = generic_mii_ioctl(&np->mii, if_mii(rq), cmd, NULL); - spin_unlock_irq(&np->lock); - - return rc; -} - - -static struct net_device_stats *rtl8139_get_stats (struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - unsigned long flags; - - if (netif_running(dev)) { - spin_lock_irqsave (&tp->lock, flags); - tp->stats.rx_missed_errors += RTL_R32 (RxMissed); - RTL_W32 (RxMissed, 0); - spin_unlock_irqrestore (&tp->lock, flags); - } - - return &tp->stats; -} - -/* Set or clear the multicast filter for this adaptor. - This routine is not state sensitive and need not be SMP locked. */ - -static void __set_rx_mode (struct net_device *dev) -{ - struct rtl8139_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - u32 mc_filter[2]; /* Multicast hash filter */ - int i, rx_mode; - u32 tmp; - - DPRINTK ("%s: rtl8139_set_rx_mode(%4.4x) done -- Rx config %8.8lx.\n", - dev->name, dev->flags, RTL_R32 (RxConfig)); - - /* Note: do not reorder, GCC is clever about common statements. */ - if (dev->flags & IFF_PROMISC) { - rx_mode = - AcceptBroadcast | AcceptMulticast | AcceptMyPhys | - AcceptAllPhys; - mc_filter[1] = mc_filter[0] = 0xffffffff; - } else if ((dev->mc_count > multicast_filter_limit) - || (dev->flags & IFF_ALLMULTI)) { - /* Too many to filter perfectly -- accept all multicasts. */ - rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; - mc_filter[1] = mc_filter[0] = 0xffffffff; - } else { - struct dev_mc_list *mclist; - rx_mode = AcceptBroadcast | AcceptMyPhys; - mc_filter[1] = mc_filter[0] = 0; - for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; - i++, mclist = mclist->next) { - int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26; - - mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); - rx_mode |= AcceptMulticast; - } - } - - /* We can safely update without stopping the chip. */ - tmp = rtl8139_rx_config | rx_mode; - if (tp->rx_config != tmp) { - RTL_W32_F (RxConfig, tmp); - tp->rx_config = tmp; - } - RTL_W32_F (MAR0 + 0, mc_filter[0]); - RTL_W32_F (MAR0 + 4, mc_filter[1]); -} - -static void rtl8139_set_rx_mode (struct net_device *dev) -{ - unsigned long flags; - struct rtl8139_private *tp = netdev_priv(dev); - - spin_lock_irqsave (&tp->lock, flags); - __set_rx_mode(dev); - spin_unlock_irqrestore (&tp->lock, flags); -} - -#ifdef CONFIG_PM - -static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *dev = pci_get_drvdata (pdev); - struct rtl8139_private *tp = netdev_priv(dev); - void __iomem *ioaddr = tp->mmio_addr; - unsigned long flags; - - pci_save_state (pdev); - - if (!netif_running (dev)) - return 0; - - netif_device_detach (dev); - - spin_lock_irqsave (&tp->lock, flags); - - /* Disable interrupts, stop Tx and Rx. */ - RTL_W16 (IntrMask, 0); - RTL_W8 (ChipCmd, 0); - - /* Update the error counts. */ - tp->stats.rx_missed_errors += RTL_R32 (RxMissed); - RTL_W32 (RxMissed, 0); - - spin_unlock_irqrestore (&tp->lock, flags); - - pci_set_power_state (pdev, PCI_D3hot); - - return 0; -} - - -static int rtl8139_resume (struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata (pdev); - - pci_restore_state (pdev); - if (!netif_running (dev)) - return 0; - pci_set_power_state (pdev, PCI_D0); - rtl8139_init_ring (dev); - rtl8139_hw_start (dev); - netif_device_attach (dev); - return 0; -} - -#endif /* CONFIG_PM */ - - -static struct pci_driver rtl8139_pci_driver = { - .name = DRV_NAME, - .id_table = rtl8139_pci_tbl, - .probe = rtl8139_init_one, - .remove = __devexit_p(rtl8139_remove_one), -#ifdef CONFIG_PM - .suspend = rtl8139_suspend, - .resume = rtl8139_resume, -#endif /* CONFIG_PM */ -}; - - -static int __init rtl8139_init_module (void) -{ - /* when we're a module, we always print a version message, - * even if no 8139 board is found. - */ -#ifdef MODULE - printk (KERN_INFO RTL8139_DRIVER_NAME "\n"); -#endif - - return pci_register_driver(&rtl8139_pci_driver); -} - - -static void __exit rtl8139_cleanup_module (void) -{ - pci_unregister_driver (&rtl8139_pci_driver); -} - - -module_init(rtl8139_init_module); -module_exit(rtl8139_cleanup_module); diff --git a/drivers/samsung/emul_codec.c b/drivers/samsung/emul_codec.c index d797482c0fde..37502a1f7ad7 100644 --- a/drivers/samsung/emul_codec.c +++ b/drivers/samsung/emul_codec.c @@ -1,7 +1,7 @@ /* * Virtual Codec PCI device driver * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved. + * Copyright (c) 2011-2012 Samsung Electronics Co., Ltd. All rights reserved. * * Contact: * Kitae KIM diff --git a/drivers/samsung/emul_lcd.c b/drivers/samsung/emul_lcd.c index 6adff271483e..46996ac3e5ea 100644 --- a/drivers/samsung/emul_lcd.c +++ b/drivers/samsung/emul_lcd.c @@ -1,7 +1,29 @@ /* - * LCD node + * Virtual LCD sysfs node * - * Copyright (C) 2003,2004 Hewlett-Packard Company + * Copyright (c) 2011-2012 Samsung Electronics Co., Ltd. All rights reserved. + * + * Contact: + * Hyunjun Son + * DongKyun Yun + * YeongKyoon Lee + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Contributors: + * - S-Core Co., Ltd * */ diff --git a/drivers/video/backlight/emul_backlight.c b/drivers/video/backlight/emul_backlight.c index cddad6b59ff8..bb30f446ffd3 100644 --- a/drivers/video/backlight/emul_backlight.c +++ b/drivers/video/backlight/emul_backlight.c @@ -1,7 +1,7 @@ /* * Samsung Virtual Backlight Driver * - * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved. + * Copyright (c) 2011 - 2012 Samsung Electronics Co., Ltd. All rights reserved. * * Contact: * Hyunjun Son -- 2.34.1