blob: d29c22a80a06f4544b3554980adcb1fa9cc4b0bb [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*======================================================================
2
3 A PCMCIA ethernet driver for SMC91c92-based cards.
4
5 This driver supports Megahertz PCMCIA ethernet cards; and
6 Megahertz, Motorola, Ositech, and Psion Dacom ethernet/modem
7 multifunction cards.
8
9 Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net
10
11 smc91c92_cs.c 1.122 2002/10/25 06:26:39
12
13 This driver contains code written by Donald Becker
14 (becker@scyld.com), Rowan Hughes (x-csrdh@jcu.edu.au),
15 David Hinds (dahinds@users.sourceforge.net), and Erik Stahlman
16 (erik@vt.edu). Donald wrote the SMC 91c92 code using parts of
17 Erik's SMC 91c94 driver. Rowan wrote a similar driver, and I've
18 incorporated some parts of his driver here. I (Dave) wrote most
19 of the PCMCIA glue code, and the Ositech support code. Kelly
20 Stephens (kstephen@holli.com) added support for the Motorola
21 Mariner, with help from Allen Brost.
22
23 This software may be used and distributed according to the terms of
24 the GNU General Public License, incorporated herein by reference.
25
26======================================================================*/
27
28#include <linux/module.h>
29#include <linux/kernel.h>
30#include <linux/init.h>
31#include <linux/slab.h>
32#include <linux/string.h>
33#include <linux/timer.h>
34#include <linux/interrupt.h>
35#include <linux/delay.h>
36#include <linux/crc32.h>
37#include <linux/netdevice.h>
38#include <linux/etherdevice.h>
39#include <linux/skbuff.h>
40#include <linux/if_arp.h>
41#include <linux/ioport.h>
42#include <linux/ethtool.h>
43#include <linux/mii.h>
Marcelo Feitoza Parisi4851d3a2005-07-15 10:00:41 -070044#include <linux/jiffies.h>
Jaswinder Singh Rajput75bf7582009-03-30 20:19:54 +053045#include <linux/firmware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#include <pcmcia/cs_types.h>
48#include <pcmcia/cs.h>
49#include <pcmcia/cistpl.h>
50#include <pcmcia/cisreg.h>
51#include <pcmcia/ciscode.h>
52#include <pcmcia/ds.h>
Dominik Brodowski50db3fd2006-01-15 10:05:19 +010053#include <pcmcia/ss.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
55#include <asm/io.h>
56#include <asm/system.h>
57#include <asm/uaccess.h>
58
Linus Torvalds1da177e2005-04-16 15:20:36 -070059/*====================================================================*/
60
Arjan van de Venf71e1302006-03-03 21:33:57 -050061static const char *if_names[] = { "auto", "10baseT", "10base2"};
Linus Torvalds1da177e2005-04-16 15:20:36 -070062
Jaswinder Singh Rajput75bf7582009-03-30 20:19:54 +053063/* Firmware name */
64#define FIRMWARE_NAME "ositech/Xilinx7OD.bin"
65
Linus Torvalds1da177e2005-04-16 15:20:36 -070066/* Module parameters */
67
68MODULE_DESCRIPTION("SMC 91c92 series PCMCIA ethernet driver");
69MODULE_LICENSE("GPL");
Jaswinder Singh Rajput75bf7582009-03-30 20:19:54 +053070MODULE_FIRMWARE(FIRMWARE_NAME);
Linus Torvalds1da177e2005-04-16 15:20:36 -070071
72#define INT_MODULE_PARM(n, v) static int n = v; module_param(n, int, 0)
73
74/*
75 Transceiver/media type.
76 0 = auto
77 1 = 10baseT (and autoselect if #define AUTOSELECT),
78 2 = AUI/10base2,
79*/
80INT_MODULE_PARM(if_port, 0);
81
Linus Torvalds1da177e2005-04-16 15:20:36 -070082
83#define DRV_NAME "smc91c92_cs"
Andy Gospodarekd5b20692006-09-11 17:39:18 -040084#define DRV_VERSION "1.123"
Linus Torvalds1da177e2005-04-16 15:20:36 -070085
86/*====================================================================*/
87
88/* Operational parameter that usually are not changed. */
89
90/* Time in jiffies before concluding Tx hung */
91#define TX_TIMEOUT ((400*HZ)/1000)
92
93/* Maximum events (Rx packets, etc.) to handle at each interrupt. */
94#define INTR_WORK 4
95
96/* Times to check the check the chip before concluding that it doesn't
97 currently have room for another Tx packet. */
98#define MEMORY_WAIT_TIME 8
99
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100struct smc_private {
Dominik Brodowskifd238232006-03-05 10:45:09 +0100101 struct pcmcia_device *p_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102 spinlock_t lock;
103 u_short manfid;
104 u_short cardid;
Stephen Hemminger6fb72982009-03-20 19:36:09 +0000105
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106 dev_node_t node;
107 struct sk_buff *saved_skb;
108 int packets_waiting;
109 void __iomem *base;
110 u_short cfg;
111 struct timer_list media;
112 int watchdog, tx_err;
113 u_short media_status;
114 u_short fast_poll;
115 u_short link_status;
116 struct mii_if_info mii_if;
117 int duplex;
118 int rx_ovrn;
119};
120
121/* Special definitions for Megahertz multifunction cards */
122#define MEGAHERTZ_ISR 0x0380
123
124/* Special function registers for Motorola Mariner */
125#define MOT_LAN 0x0000
126#define MOT_UART 0x0020
127#define MOT_EEPROM 0x20
128
129#define MOT_NORMAL \
130(COR_LEVEL_REQ | COR_FUNC_ENA | COR_ADDR_DECODE | COR_IREQ_ENA)
131
132/* Special function registers for Ositech cards */
133#define OSITECH_AUI_CTL 0x0c
134#define OSITECH_PWRDOWN 0x0d
135#define OSITECH_RESET 0x0e
136#define OSITECH_ISR 0x0f
137#define OSITECH_AUI_PWR 0x0c
138#define OSITECH_RESET_ISR 0x0e
139
140#define OSI_AUI_PWR 0x40
141#define OSI_LAN_PWRDOWN 0x02
142#define OSI_MODEM_PWRDOWN 0x01
143#define OSI_LAN_RESET 0x02
144#define OSI_MODEM_RESET 0x01
145
146/* Symbolic constants for the SMC91c9* series chips, from Erik Stahlman. */
147#define BANK_SELECT 14 /* Window select register. */
148#define SMC_SELECT_BANK(x) { outw(x, ioaddr + BANK_SELECT); }
149
150/* Bank 0 registers. */
151#define TCR 0 /* transmit control register */
152#define TCR_CLEAR 0 /* do NOTHING */
153#define TCR_ENABLE 0x0001 /* if this is 1, we can transmit */
154#define TCR_PAD_EN 0x0080 /* pads short packets to 64 bytes */
155#define TCR_MONCSN 0x0400 /* Monitor Carrier. */
156#define TCR_FDUPLX 0x0800 /* Full duplex mode. */
157#define TCR_NORMAL TCR_ENABLE | TCR_PAD_EN
158
159#define EPH 2 /* Ethernet Protocol Handler report. */
160#define EPH_TX_SUC 0x0001
161#define EPH_SNGLCOL 0x0002
162#define EPH_MULCOL 0x0004
163#define EPH_LTX_MULT 0x0008
164#define EPH_16COL 0x0010
165#define EPH_SQET 0x0020
166#define EPH_LTX_BRD 0x0040
167#define EPH_TX_DEFR 0x0080
168#define EPH_LAT_COL 0x0200
169#define EPH_LOST_CAR 0x0400
170#define EPH_EXC_DEF 0x0800
171#define EPH_CTR_ROL 0x1000
172#define EPH_RX_OVRN 0x2000
173#define EPH_LINK_OK 0x4000
174#define EPH_TX_UNRN 0x8000
175#define MEMINFO 8 /* Memory Information Register */
176#define MEMCFG 10 /* Memory Configuration Register */
177
178/* Bank 1 registers. */
179#define CONFIG 0
180#define CFG_MII_SELECT 0x8000 /* 91C100 only */
181#define CFG_NO_WAIT 0x1000
182#define CFG_FULL_STEP 0x0400
183#define CFG_SET_SQLCH 0x0200
184#define CFG_AUI_SELECT 0x0100
185#define CFG_16BIT 0x0080
186#define CFG_DIS_LINK 0x0040
187#define CFG_STATIC 0x0030
188#define CFG_IRQ_SEL_1 0x0004
189#define CFG_IRQ_SEL_0 0x0002
190#define BASE_ADDR 2
191#define ADDR0 4
192#define GENERAL 10
193#define CONTROL 12
194#define CTL_STORE 0x0001
195#define CTL_RELOAD 0x0002
196#define CTL_EE_SELECT 0x0004
197#define CTL_TE_ENABLE 0x0020
198#define CTL_CR_ENABLE 0x0040
199#define CTL_LE_ENABLE 0x0080
200#define CTL_AUTO_RELEASE 0x0800
201#define CTL_POWERDOWN 0x2000
202
203/* Bank 2 registers. */
204#define MMU_CMD 0
205#define MC_ALLOC 0x20 /* or with number of 256 byte packets */
206#define MC_RESET 0x40
207#define MC_RELEASE 0x80 /* remove and release the current rx packet */
208#define MC_FREEPKT 0xA0 /* Release packet in PNR register */
209#define MC_ENQUEUE 0xC0 /* Enqueue the packet for transmit */
210#define PNR_ARR 2
211#define FIFO_PORTS 4
212#define FP_RXEMPTY 0x8000
213#define POINTER 6
214#define PTR_AUTO_INC 0x0040
215#define PTR_READ 0x2000
216#define PTR_AUTOINC 0x4000
217#define PTR_RCV 0x8000
218#define DATA_1 8
219#define INTERRUPT 12
220#define IM_RCV_INT 0x1
221#define IM_TX_INT 0x2
222#define IM_TX_EMPTY_INT 0x4
223#define IM_ALLOC_INT 0x8
224#define IM_RX_OVRN_INT 0x10
225#define IM_EPH_INT 0x20
226
227#define RCR 4
228enum RxCfg { RxAllMulti = 0x0004, RxPromisc = 0x0002,
229 RxEnable = 0x0100, RxStripCRC = 0x0200};
230#define RCR_SOFTRESET 0x8000 /* resets the chip */
231#define RCR_STRIP_CRC 0x200 /* strips CRC */
232#define RCR_ENABLE 0x100 /* IFF this is set, we can receive packets */
233#define RCR_ALMUL 0x4 /* receive all multicast packets */
234#define RCR_PROMISC 0x2 /* enable promiscuous mode */
235
236/* the normal settings for the RCR register : */
237#define RCR_NORMAL (RCR_STRIP_CRC | RCR_ENABLE)
238#define RCR_CLEAR 0x0 /* set it to a base state */
239#define COUNTER 6
240
241/* BANK 3 -- not the same values as in smc9194! */
242#define MULTICAST0 0
243#define MULTICAST2 2
244#define MULTICAST4 4
245#define MULTICAST6 6
246#define MGMT 8
247#define REVISION 0x0a
248
249/* Transmit status bits. */
250#define TS_SUCCESS 0x0001
251#define TS_16COL 0x0010
252#define TS_LATCOL 0x0200
253#define TS_LOSTCAR 0x0400
254
255/* Receive status bits. */
256#define RS_ALGNERR 0x8000
257#define RS_BADCRC 0x2000
258#define RS_ODDFRAME 0x1000
259#define RS_TOOLONG 0x0800
260#define RS_TOOSHORT 0x0400
261#define RS_MULTICAST 0x0001
262#define RS_ERRORS (RS_ALGNERR | RS_BADCRC | RS_TOOLONG | RS_TOOSHORT)
263
264#define set_bits(v, p) outw(inw(p)|(v), (p))
265#define mask_bits(v, p) outw(inw(p)&(v), (p))
266
267/*====================================================================*/
268
Dominik Brodowskicc3b4862005-11-14 21:23:14 +0100269static void smc91c92_detach(struct pcmcia_device *p_dev);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200270static int smc91c92_config(struct pcmcia_device *link);
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200271static void smc91c92_release(struct pcmcia_device *link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272
273static int smc_open(struct net_device *dev);
274static int smc_close(struct net_device *dev);
275static int smc_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
276static void smc_tx_timeout(struct net_device *dev);
Stephen Hemmingerdbf02fa2009-08-31 19:50:49 +0000277static netdev_tx_t smc_start_xmit(struct sk_buff *skb,
278 struct net_device *dev);
David Howells7d12e782006-10-05 14:55:46 +0100279static irqreturn_t smc_interrupt(int irq, void *dev_id);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700280static void smc_rx(struct net_device *dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281static void set_rx_mode(struct net_device *dev);
282static int s9k_config(struct net_device *dev, struct ifmap *map);
283static void smc_set_xcvr(struct net_device *dev, int if_port);
284static void smc_reset(struct net_device *dev);
285static void media_check(u_long arg);
Olof Johansson906da802008-02-04 22:27:35 -0800286static void mdio_sync(unsigned int addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700287static int mdio_read(struct net_device *dev, int phy_id, int loc);
288static void mdio_write(struct net_device *dev, int phy_id, int loc, int value);
289static int smc_link_ok(struct net_device *dev);
Jeff Garzik7282d492006-09-13 14:30:00 -0400290static const struct ethtool_ops ethtool_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291
Stephen Hemminger9b31b692009-03-20 19:36:10 +0000292static const struct net_device_ops smc_netdev_ops = {
293 .ndo_open = smc_open,
294 .ndo_stop = smc_close,
295 .ndo_start_xmit = smc_start_xmit,
296 .ndo_tx_timeout = smc_tx_timeout,
297 .ndo_set_config = s9k_config,
298 .ndo_set_multicast_list = set_rx_mode,
299 .ndo_do_ioctl = &smc_ioctl,
300 .ndo_change_mtu = eth_change_mtu,
301 .ndo_set_mac_address = eth_mac_addr,
302 .ndo_validate_addr = eth_validate_addr,
303};
304
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305/*======================================================================
306
307 smc91c92_attach() creates an "instance" of the driver, allocating
308 local data structures for one device. The device is registered
309 with Card Services.
310
311======================================================================*/
312
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200313static int smc91c92_probe(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 struct smc_private *smc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700316 struct net_device *dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700317
Dominik Brodowskidd0fab52009-10-24 15:51:05 +0200318 dev_dbg(&link->dev, "smc91c92_attach()\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700319
320 /* Create new ethernet device */
321 dev = alloc_etherdev(sizeof(struct smc_private));
322 if (!dev)
Dominik Brodowskif8cfa612005-11-14 21:25:51 +0100323 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324 smc = netdev_priv(dev);
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200325 smc->p_dev = link;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326 link->priv = dev;
327
328 spin_lock_init(&smc->lock);
329 link->io.NumPorts1 = 16;
330 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
331 link->io.IOAddrLines = 4;
Dominik Brodowski5fa91672009-11-08 17:24:46 +0100332 link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333 link->irq.Handler = &smc_interrupt;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334 link->conf.Attributes = CONF_ENABLE_IRQ;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335 link->conf.IntType = INT_MEMORY_AND_IO;
336
337 /* The SMC91c92-specific entries in the device structure. */
Stephen Hemminger9b31b692009-03-20 19:36:10 +0000338 dev->netdev_ops = &smc_netdev_ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339 SET_ETHTOOL_OPS(dev, &ethtool_ops);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340 dev->watchdog_timeo = TX_TIMEOUT;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341
342 smc->mii_if.dev = dev;
343 smc->mii_if.mdio_read = mdio_read;
344 smc->mii_if.mdio_write = mdio_write;
345 smc->mii_if.phy_id_mask = 0x1f;
346 smc->mii_if.reg_num_mask = 0x1f;
347
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200348 return smc91c92_config(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349} /* smc91c92_attach */
350
351/*======================================================================
352
353 This deletes a driver "instance". The device is de-registered
354 with Card Services. If it has been released, all local data
355 structures are freed. Otherwise, the structures will be freed
356 when the device is released.
357
358======================================================================*/
359
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200360static void smc91c92_detach(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700361{
362 struct net_device *dev = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700363
Dominik Brodowskidd0fab52009-10-24 15:51:05 +0200364 dev_dbg(&link->dev, "smc91c92_detach\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365
Dominik Brodowskifd238232006-03-05 10:45:09 +0100366 if (link->dev_node)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367 unregister_netdev(dev);
368
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100369 smc91c92_release(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700370
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371 free_netdev(dev);
372} /* smc91c92_detach */
373
374/*====================================================================*/
375
376static int cvt_ascii_address(struct net_device *dev, char *s)
377{
378 int i, j, da, c;
379
380 if (strlen(s) != 12)
381 return -1;
382 for (i = 0; i < 6; i++) {
383 da = 0;
384 for (j = 0; j < 2; j++) {
385 c = *s++;
386 da <<= 4;
387 da += ((c >= '0') && (c <= '9')) ?
388 (c - '0') : ((c & 0x0f) + 9);
389 }
390 dev->dev_addr[i] = da;
391 }
392 return 0;
393}
394
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200395/*====================================================================
Linus Torvalds1da177e2005-04-16 15:20:36 -0700396
397 Configuration stuff for Megahertz cards
398
399 mhz_3288_power() is used to power up a 3288's ethernet chip.
400 mhz_mfc_config() handles socket setup for multifunction (1144
401 and 3288) cards. mhz_setup() gets a card's hardware ethernet
402 address.
403
404======================================================================*/
405
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200406static int mhz_3288_power(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700407{
408 struct net_device *dev = link->priv;
409 struct smc_private *smc = netdev_priv(dev);
410 u_char tmp;
411
412 /* Read the ISR twice... */
413 readb(smc->base+MEGAHERTZ_ISR);
414 udelay(5);
415 readb(smc->base+MEGAHERTZ_ISR);
416
417 /* Pause 200ms... */
418 mdelay(200);
419
420 /* Now read and write the COR... */
421 tmp = readb(smc->base + link->conf.ConfigBase + CISREG_COR);
422 udelay(5);
423 writeb(tmp, smc->base + link->conf.ConfigBase + CISREG_COR);
424
425 return 0;
426}
427
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200428static int mhz_mfc_config_check(struct pcmcia_device *p_dev,
429 cistpl_cftable_entry_t *cf,
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200430 cistpl_cftable_entry_t *dflt,
Dominik Brodowskiad913c12008-08-02 16:12:00 +0200431 unsigned int vcc,
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200432 void *priv_data)
433{
434 int k;
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200435 p_dev->io.BasePort2 = cf->io.win[0].base;
436 for (k = 0; k < 0x400; k += 0x10) {
437 if (k & 0x80)
438 continue;
439 p_dev->io.BasePort1 = k ^ 0x300;
440 if (!pcmcia_request_io(p_dev, &p_dev->io))
441 return 0;
442 }
443 return -ENODEV;
444}
445
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200446static int mhz_mfc_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700447{
448 struct net_device *dev = link->priv;
449 struct smc_private *smc = netdev_priv(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700450 win_req_t req;
451 memreq_t mem;
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200452 int i;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700453
454 link->conf.Attributes |= CONF_ENABLE_SPKR;
455 link->conf.Status = CCSR_AUDIO_ENA;
456 link->irq.Attributes =
Dominik Brodowskie15c1c12009-11-28 18:12:06 +0100457 IRQ_TYPE_DYNAMIC_SHARING;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700458 link->io.IOAddrLines = 16;
459 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
460 link->io.NumPorts2 = 8;
461
Linus Torvalds1da177e2005-04-16 15:20:36 -0700462 /* The Megahertz combo cards have modem-like CIS entries, so
463 we have to explicitly try a bunch of port combinations. */
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200464 if (pcmcia_loop_config(link, mhz_mfc_config_check, NULL))
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200465 return -ENODEV;
466
Linus Torvalds1da177e2005-04-16 15:20:36 -0700467 dev->base_addr = link->io.BasePort1;
468
469 /* Allocate a memory window, for accessing the ISR */
470 req.Attributes = WIN_DATA_WIDTH_8|WIN_MEMORY_TYPE_AM|WIN_ENABLE;
471 req.Base = req.Size = 0;
472 req.AccessSpeed = 0;
Dominik Brodowski6838b032009-11-03 01:31:52 +0100473 i = pcmcia_request_window(link, &req, &link->win);
Dominik Brodowski4c89e882008-08-03 10:07:45 +0200474 if (i != 0)
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200475 return -ENODEV;
476
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477 smc->base = ioremap(req.Base, req.Size);
478 mem.CardOffset = mem.Page = 0;
479 if (smc->manfid == MANFID_MOTOROLA)
480 mem.CardOffset = link->conf.ConfigBase;
Magnus Damm868575d2006-12-13 19:46:43 +0900481 i = pcmcia_map_mem_page(link, link->win, &mem);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482
Joe Perches8e95a202009-12-03 07:58:21 +0000483 if ((i == 0) &&
484 (smc->manfid == MANFID_MEGAHERTZ) &&
485 (smc->cardid == PRODID_MEGAHERTZ_EM3288))
486 mhz_3288_power(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700487
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200488 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700489}
490
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200491static int pcmcia_get_versmac(struct pcmcia_device *p_dev,
492 tuple_t *tuple,
493 void *priv)
494{
495 struct net_device *dev = priv;
496 cisparse_t parse;
497
498 if (pcmcia_parse_tuple(tuple, &parse))
499 return -EINVAL;
500
501 if ((parse.version_1.ns > 3) &&
502 (cvt_ascii_address(dev,
503 (parse.version_1.str + parse.version_1.ofs[3]))))
504 return 0;
505
506 return -EINVAL;
507};
508
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200509static int mhz_setup(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700510{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 struct net_device *dev = link->priv;
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200512 size_t len;
513 u8 *buf;
Yum Rayan4638aef42005-05-05 15:14:10 -0700514 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515
Linus Torvalds1da177e2005-04-16 15:20:36 -0700516 /* Read the station address from the CIS. It is stored as the last
517 (fourth) string in the Version 1 Version/ID tuple. */
Dominik Brodowski7d2e8d02009-10-18 18:22:32 +0200518 if ((link->prod_id[3]) &&
519 (cvt_ascii_address(dev, link->prod_id[3]) == 0))
520 return 0;
521
522 /* Workarounds for broken cards start here. */
Chuck Ebberta1a98b72008-02-13 19:47:11 -0500523 /* Ugh -- the EM1144 card has two VERS_1 tuples!?! */
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200524 if (!pcmcia_loop_tuple(link, CISTPL_VERS_1, pcmcia_get_versmac, dev))
525 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526
527 /* Another possibility: for the EM3288, in a special tuple */
Yum Rayan4638aef42005-05-05 15:14:10 -0700528 rc = -1;
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200529 len = pcmcia_get_tuple(link, 0x81, &buf);
530 if (buf && len >= 13) {
531 buf[12] = '\0';
532 if (cvt_ascii_address(dev, buf))
533 rc = 0;
534 }
535 kfree(buf);
536
537 return rc;
538};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700539
540/*======================================================================
541
542 Configuration stuff for the Motorola Mariner
543
544 mot_config() writes directly to the Mariner configuration
545 registers because the CIS is just bogus.
546
547======================================================================*/
548
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200549static void mot_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700550{
551 struct net_device *dev = link->priv;
552 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -0800553 unsigned int ioaddr = dev->base_addr;
554 unsigned int iouart = link->io.BasePort2;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700555
556 /* Set UART base address and force map with COR bit 1 */
557 writeb(iouart & 0xff, smc->base + MOT_UART + CISREG_IOBASE_0);
558 writeb((iouart >> 8) & 0xff, smc->base + MOT_UART + CISREG_IOBASE_1);
559 writeb(MOT_NORMAL, smc->base + MOT_UART + CISREG_COR);
560
561 /* Set SMC base address and force map with COR bit 1 */
562 writeb(ioaddr & 0xff, smc->base + MOT_LAN + CISREG_IOBASE_0);
563 writeb((ioaddr >> 8) & 0xff, smc->base + MOT_LAN + CISREG_IOBASE_1);
564 writeb(MOT_NORMAL, smc->base + MOT_LAN + CISREG_COR);
565
566 /* Wait for things to settle down */
567 mdelay(100);
568}
569
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200570static int mot_setup(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700571{
572 struct net_device *dev = link->priv;
Olof Johansson906da802008-02-04 22:27:35 -0800573 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700574 int i, wait, loop;
575 u_int addr;
576
577 /* Read Ethernet address from Serial EEPROM */
578
579 for (i = 0; i < 3; i++) {
580 SMC_SELECT_BANK(2);
581 outw(MOT_EEPROM + i, ioaddr + POINTER);
582 SMC_SELECT_BANK(1);
583 outw((CTL_RELOAD | CTL_EE_SELECT), ioaddr + CONTROL);
584
585 for (loop = wait = 0; loop < 200; loop++) {
586 udelay(10);
587 wait = ((CTL_RELOAD | CTL_STORE) & inw(ioaddr + CONTROL));
588 if (wait == 0) break;
589 }
590
591 if (wait)
592 return -1;
593
594 addr = inw(ioaddr + GENERAL);
595 dev->dev_addr[2*i] = addr & 0xff;
596 dev->dev_addr[2*i+1] = (addr >> 8) & 0xff;
597 }
598
599 return 0;
600}
601
602/*====================================================================*/
603
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200604static int smc_configcheck(struct pcmcia_device *p_dev,
605 cistpl_cftable_entry_t *cf,
Dominik Brodowski8e2fc392008-08-02 15:30:31 +0200606 cistpl_cftable_entry_t *dflt,
Dominik Brodowskiad913c12008-08-02 16:12:00 +0200607 unsigned int vcc,
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200608 void *priv_data)
609{
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200610 p_dev->io.BasePort1 = cf->io.win[0].base;
611 p_dev->io.IOAddrLines = cf->io.flags & CISTPL_IO_LINES_MASK;
612 return pcmcia_request_io(p_dev, &p_dev->io);
613}
614
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200615static int smc_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700616{
617 struct net_device *dev = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618 int i;
619
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620 link->io.NumPorts1 = 16;
Dominik Brodowskib54bf942008-08-02 14:28:43 +0200621 i = pcmcia_loop_config(link, smc_configcheck, NULL);
622 if (!i)
623 dev->base_addr = link->io.BasePort1;
Yum Rayan4638aef42005-05-05 15:14:10 -0700624
Linus Torvalds1da177e2005-04-16 15:20:36 -0700625 return i;
626}
627
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200628
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200629static int smc_setup(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700630{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700631 struct net_device *dev = link->priv;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700632
633 /* Check for a LAN function extension tuple */
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200634 if (!pcmcia_get_mac_from_cis(link, dev))
635 return 0;
636
Linus Torvalds1da177e2005-04-16 15:20:36 -0700637 /* Try the third string in the Version 1 Version/ID tuple. */
Dominik Brodowskia9606fd2006-06-04 18:06:13 +0200638 if (link->prod_id[2]) {
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200639 if (cvt_ascii_address(dev, link->prod_id[2]) == 0)
640 return 0;
Yum Rayan4638aef42005-05-05 15:14:10 -0700641 }
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200642 return -1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643}
644
645/*====================================================================*/
646
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200647static int osi_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648{
649 struct net_device *dev = link->priv;
Olof Johansson906da802008-02-04 22:27:35 -0800650 static const unsigned int com[4] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700651 int i, j;
652
653 link->conf.Attributes |= CONF_ENABLE_SPKR;
654 link->conf.Status = CCSR_AUDIO_ENA;
655 link->irq.Attributes =
Dominik Brodowski5fa91672009-11-08 17:24:46 +0100656 IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 link->io.NumPorts1 = 64;
658 link->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
659 link->io.NumPorts2 = 8;
660 link->io.IOAddrLines = 16;
661
662 /* Enable Hard Decode, LAN, Modem */
663 link->conf.ConfigIndex = 0x23;
664
665 for (i = j = 0; j < 4; j++) {
666 link->io.BasePort2 = com[j];
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200667 i = pcmcia_request_io(link, &link->io);
Dominik Brodowski4c89e882008-08-03 10:07:45 +0200668 if (i == 0)
669 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700670 }
Dominik Brodowski4c89e882008-08-03 10:07:45 +0200671 if (i != 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700672 /* Fallback: turn off hard decode */
673 link->conf.ConfigIndex = 0x03;
674 link->io.NumPorts2 = 0;
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200675 i = pcmcia_request_io(link, &link->io);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700676 }
677 dev->base_addr = link->io.BasePort1 + 0x10;
678 return i;
679}
680
Jaswinder Singh Rajput75bf7582009-03-30 20:19:54 +0530681static int osi_load_firmware(struct pcmcia_device *link)
682{
683 const struct firmware *fw;
684 int i, err;
685
686 err = request_firmware(&fw, FIRMWARE_NAME, &link->dev);
687 if (err) {
688 pr_err("Failed to load firmware \"%s\"\n", FIRMWARE_NAME);
689 return err;
690 }
691
692 /* Download the Seven of Diamonds firmware */
693 for (i = 0; i < fw->size; i++) {
694 outb(fw->data[i], link->io.BasePort1 + 2);
695 udelay(50);
696 }
697 release_firmware(fw);
698 return err;
699}
700
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200701static int pcmcia_osi_mac(struct pcmcia_device *p_dev,
702 tuple_t *tuple,
703 void *priv)
704{
705 struct net_device *dev = priv;
706 int i;
707
708 if (tuple->TupleDataLen < 8)
709 return -EINVAL;
710 if (tuple->TupleData[0] != 0x04)
711 return -EINVAL;
712 for (i = 0; i < 6; i++)
713 dev->dev_addr[i] = tuple->TupleData[i+2];
714 return 0;
715};
716
717
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200718static int osi_setup(struct pcmcia_device *link, u_short manfid, u_short cardid)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700719{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700720 struct net_device *dev = link->priv;
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200721 int rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722
723 /* Read the station address from tuple 0x90, subtuple 0x04 */
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200724 if (pcmcia_loop_tuple(link, 0x90, pcmcia_osi_mac, dev))
725 return -1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700726
727 if (((manfid == MANFID_OSITECH) &&
728 (cardid == PRODID_OSITECH_SEVEN)) ||
729 ((manfid == MANFID_PSION) &&
730 (cardid == PRODID_PSION_NET100))) {
Jaswinder Singh Rajput75bf7582009-03-30 20:19:54 +0530731 rc = osi_load_firmware(link);
732 if (rc)
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200733 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700734 } else if (manfid == MANFID_OSITECH) {
735 /* Make sure both functions are powered up */
736 set_bits(0x300, link->io.BasePort1 + OSITECH_AUI_PWR);
737 /* Now, turn on the interrupt for both card functions */
738 set_bits(0x300, link->io.BasePort1 + OSITECH_RESET_ISR);
Dominik Brodowskidd0fab52009-10-24 15:51:05 +0200739 dev_dbg(&link->dev, "AUI/PWR: %4.4x RESET/ISR: %4.4x\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700740 inw(link->io.BasePort1 + OSITECH_AUI_PWR),
741 inw(link->io.BasePort1 + OSITECH_RESET_ISR));
742 }
Dominik Brodowskidddfbd82009-10-18 23:54:24 +0200743 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700744}
745
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200746static int smc91c92_suspend(struct pcmcia_device *link)
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100747{
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100748 struct net_device *dev = link->priv;
749
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100750 if (link->open)
Dominik Brodowski4bbed522006-01-15 11:18:12 +0100751 netif_device_detach(dev);
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100752
753 return 0;
754}
755
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200756static int smc91c92_resume(struct pcmcia_device *link)
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100757{
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100758 struct net_device *dev = link->priv;
759 struct smc_private *smc = netdev_priv(dev);
760 int i;
761
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100762 if ((smc->manfid == MANFID_MEGAHERTZ) &&
763 (smc->cardid == PRODID_MEGAHERTZ_EM3288))
764 mhz_3288_power(link);
765 if (smc->manfid == MANFID_MOTOROLA)
766 mot_config(link);
767 if ((smc->manfid == MANFID_OSITECH) &&
768 (smc->cardid != PRODID_OSITECH_SEVEN)) {
769 /* Power up the card and enable interrupts */
770 set_bits(0x0300, dev->base_addr-0x10+OSITECH_AUI_PWR);
771 set_bits(0x0300, dev->base_addr-0x10+OSITECH_RESET_ISR);
772 }
773 if (((smc->manfid == MANFID_OSITECH) &&
774 (smc->cardid == PRODID_OSITECH_SEVEN)) ||
775 ((smc->manfid == MANFID_PSION) &&
776 (smc->cardid == PRODID_PSION_NET100))) {
Jaswinder Singh Rajput75bf7582009-03-30 20:19:54 +0530777 i = osi_load_firmware(link);
778 if (i) {
779 pr_err("smc91c92_cs: Failed to load firmware\n");
780 return i;
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100781 }
Dominik Brodowskie2d40962006-03-02 00:09:29 +0100782 }
783 if (link->open) {
784 smc_reset(dev);
785 netif_device_attach(dev);
Dominik Brodowski98e4c282005-11-14 21:21:18 +0100786 }
787
788 return 0;
789}
790
791
Linus Torvalds1da177e2005-04-16 15:20:36 -0700792/*======================================================================
793
794 This verifies that the chip is some SMC91cXX variant, and returns
795 the revision code if successful. Otherwise, it returns -ENODEV.
796
797======================================================================*/
798
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200799static int check_sig(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700800{
801 struct net_device *dev = link->priv;
Olof Johansson906da802008-02-04 22:27:35 -0800802 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700803 int width;
804 u_short s;
805
806 SMC_SELECT_BANK(1);
807 if (inw(ioaddr + BANK_SELECT) >> 8 != 0x33) {
808 /* Try powering up the chip */
809 outw(0, ioaddr + CONTROL);
810 mdelay(55);
811 }
812
813 /* Try setting bus width */
814 width = (link->io.Attributes1 == IO_DATA_PATH_WIDTH_AUTO);
815 s = inb(ioaddr + CONFIG);
816 if (width)
817 s |= CFG_16BIT;
818 else
819 s &= ~CFG_16BIT;
820 outb(s, ioaddr + CONFIG);
821
822 /* Check Base Address Register to make sure bus width is OK */
823 s = inw(ioaddr + BASE_ADDR);
824 if ((inw(ioaddr + BANK_SELECT) >> 8 == 0x33) &&
825 ((s >> 8) != (s & 0xff))) {
826 SMC_SELECT_BANK(3);
827 s = inw(ioaddr + REVISION);
828 return (s & 0xff);
829 }
830
831 if (width) {
Dominik Brodowski4bbed522006-01-15 11:18:12 +0100832 modconf_t mod = {
833 .Attributes = CONF_IO_CHANGE_WIDTH,
834 };
835 printk(KERN_INFO "smc91c92_cs: using 8-bit IO window.\n");
Dominik Brodowski50db3fd2006-01-15 10:05:19 +0100836
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200837 smc91c92_suspend(link);
838 pcmcia_modify_configuration(link, &mod);
839 smc91c92_resume(link);
Dominik Brodowski4bbed522006-01-15 11:18:12 +0100840 return check_sig(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700841 }
842 return -ENODEV;
843}
844
845/*======================================================================
846
847 smc91c92_config() is scheduled to run after a CARD_INSERTION event
848 is received, to configure the PCMCIA socket, and to make the
849 ethernet device available to the system.
850
851======================================================================*/
852
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200853static int smc91c92_config(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700854{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700855 struct net_device *dev = link->priv;
856 struct smc_private *smc = netdev_priv(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700857 char *name;
858 int i, j, rev;
Olof Johansson906da802008-02-04 22:27:35 -0800859 unsigned int ioaddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700860 u_long mir;
861
Dominik Brodowskidd0fab52009-10-24 15:51:05 +0200862 dev_dbg(&link->dev, "smc91c92_config\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700863
Dominik Brodowskiefd50582006-10-25 21:28:53 -0400864 smc->manfid = link->manf_id;
865 smc->cardid = link->card_id;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700866
Linus Torvalds1da177e2005-04-16 15:20:36 -0700867 if ((smc->manfid == MANFID_OSITECH) &&
868 (smc->cardid != PRODID_OSITECH_SEVEN)) {
869 i = osi_config(link);
870 } else if ((smc->manfid == MANFID_MOTOROLA) ||
871 ((smc->manfid == MANFID_MEGAHERTZ) &&
872 ((smc->cardid == PRODID_MEGAHERTZ_VARIOUS) ||
873 (smc->cardid == PRODID_MEGAHERTZ_EM3288)))) {
874 i = mhz_mfc_config(link);
875 } else {
876 i = smc_config(link);
877 }
Dominik Brodowskidd0fab52009-10-24 15:51:05 +0200878 if (i)
879 goto config_failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700880
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200881 i = pcmcia_request_irq(link, &link->irq);
Dominik Brodowskidd0fab52009-10-24 15:51:05 +0200882 if (i)
883 goto config_failed;
Dominik Brodowskifba395e2006-03-31 17:21:06 +0200884 i = pcmcia_request_configuration(link, &link->conf);
Dominik Brodowskidd0fab52009-10-24 15:51:05 +0200885 if (i)
886 goto config_failed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700887
888 if (smc->manfid == MANFID_MOTOROLA)
889 mot_config(link);
890
891 dev->irq = link->irq.AssignedIRQ;
892
893 if ((if_port >= 0) && (if_port <= 2))
894 dev->if_port = if_port;
895 else
896 printk(KERN_NOTICE "smc91c92_cs: invalid if_port requested\n");
897
898 switch (smc->manfid) {
899 case MANFID_OSITECH:
900 case MANFID_PSION:
901 i = osi_setup(link, smc->manfid, smc->cardid); break;
902 case MANFID_SMC:
903 case MANFID_NEW_MEDIA:
904 i = smc_setup(link); break;
905 case 0x128: /* For broken Megahertz cards */
906 case MANFID_MEGAHERTZ:
907 i = mhz_setup(link); break;
908 case MANFID_MOTOROLA:
909 default: /* get the hw address from EEPROM */
910 i = mot_setup(link); break;
911 }
912
913 if (i != 0) {
914 printk(KERN_NOTICE "smc91c92_cs: Unable to find hardware address.\n");
915 goto config_undo;
916 }
917
918 smc->duplex = 0;
919 smc->rx_ovrn = 0;
920
921 rev = check_sig(link);
922 name = "???";
923 if (rev > 0)
924 switch (rev >> 4) {
925 case 3: name = "92"; break;
926 case 4: name = ((rev & 15) >= 6) ? "96" : "94"; break;
927 case 5: name = "95"; break;
928 case 7: name = "100"; break;
929 case 8: name = "100-FD"; break;
930 case 9: name = "110"; break;
931 }
932
933 ioaddr = dev->base_addr;
934 if (rev > 0) {
935 u_long mcr;
936 SMC_SELECT_BANK(0);
937 mir = inw(ioaddr + MEMINFO) & 0xff;
938 if (mir == 0xff) mir++;
939 /* Get scale factor for memory size */
940 mcr = ((rev >> 4) > 3) ? inw(ioaddr + MEMCFG) : 0x0200;
941 mir *= 128 * (1<<((mcr >> 9) & 7));
942 SMC_SELECT_BANK(1);
943 smc->cfg = inw(ioaddr + CONFIG) & ~CFG_AUI_SELECT;
944 smc->cfg |= CFG_NO_WAIT | CFG_16BIT | CFG_STATIC;
945 if (smc->manfid == MANFID_OSITECH)
946 smc->cfg |= CFG_IRQ_SEL_1 | CFG_IRQ_SEL_0;
947 if ((rev >> 4) >= 7)
948 smc->cfg |= CFG_MII_SELECT;
949 } else
950 mir = 0;
951
952 if (smc->cfg & CFG_MII_SELECT) {
953 SMC_SELECT_BANK(3);
954
955 for (i = 0; i < 32; i++) {
956 j = mdio_read(dev, i, 1);
957 if ((j != 0) && (j != 0xffff)) break;
958 }
959 smc->mii_if.phy_id = (i < 32) ? i : -1;
960
961 SMC_SELECT_BANK(0);
962 }
963
Dominik Brodowskifd238232006-03-05 10:45:09 +0100964 link->dev_node = &smc->node;
Dominik Brodowskidd2e5a12009-11-03 10:27:34 +0100965 SET_NETDEV_DEV(dev, &link->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700966
967 if (register_netdev(dev) != 0) {
968 printk(KERN_ERR "smc91c92_cs: register_netdev() failed\n");
Dominik Brodowskifd238232006-03-05 10:45:09 +0100969 link->dev_node = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700970 goto config_undo;
971 }
972
973 strcpy(smc->node.dev_name, dev->name);
974
975 printk(KERN_INFO "%s: smc91c%s rev %d: io %#3lx, irq %d, "
Johannes Berge1749612008-10-27 15:59:26 -0700976 "hw_addr %pM\n",
Joe Perches0795af52007-10-03 17:59:30 -0700977 dev->name, name, (rev & 0x0f), dev->base_addr, dev->irq,
Johannes Berge1749612008-10-27 15:59:26 -0700978 dev->dev_addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700979
980 if (rev > 0) {
981 if (mir & 0x3ff)
982 printk(KERN_INFO " %lu byte", mir);
983 else
984 printk(KERN_INFO " %lu kb", mir>>10);
985 printk(" buffer, %s xcvr\n", (smc->cfg & CFG_MII_SELECT) ?
986 "MII" : if_names[dev->if_port]);
987 }
988
989 if (smc->cfg & CFG_MII_SELECT) {
990 if (smc->mii_if.phy_id != -1) {
Dominik Brodowskidd0fab52009-10-24 15:51:05 +0200991 dev_dbg(&link->dev, " MII transceiver at index %d, status %x.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700992 smc->mii_if.phy_id, j);
993 } else {
994 printk(KERN_NOTICE " No MII transceivers found!\n");
995 }
996 }
Dominik Brodowski15b99ac2006-03-31 17:26:06 +0200997 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700998
999config_undo:
1000 unregister_netdev(dev);
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001001config_failed:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001002 smc91c92_release(link);
Dominik Brodowski15b99ac2006-03-31 17:26:06 +02001003 return -ENODEV;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001004} /* smc91c92_config */
1005
1006/*======================================================================
1007
1008 After a card is removed, smc91c92_release() will unregister the net
1009 device, and release the PCMCIA configuration. If the device is
1010 still open, this will be postponed until it is closed.
1011
1012======================================================================*/
1013
Dominik Brodowskifba395e2006-03-31 17:21:06 +02001014static void smc91c92_release(struct pcmcia_device *link)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001015{
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001016 dev_dbg(&link->dev, "smc91c92_release\n");
Dominik Brodowski5f2a71f2006-01-15 09:32:39 +01001017 if (link->win) {
1018 struct net_device *dev = link->priv;
1019 struct smc_private *smc = netdev_priv(dev);
1020 iounmap(smc->base);
1021 }
Dominik Brodowskifba395e2006-03-31 17:21:06 +02001022 pcmcia_disable_device(link);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001023}
1024
1025/*======================================================================
1026
Linus Torvalds1da177e2005-04-16 15:20:36 -07001027 MII interface support for SMC91cXX based cards
1028======================================================================*/
1029
1030#define MDIO_SHIFT_CLK 0x04
1031#define MDIO_DATA_OUT 0x01
1032#define MDIO_DIR_WRITE 0x08
1033#define MDIO_DATA_WRITE0 (MDIO_DIR_WRITE)
1034#define MDIO_DATA_WRITE1 (MDIO_DIR_WRITE | MDIO_DATA_OUT)
1035#define MDIO_DATA_READ 0x02
1036
Olof Johansson906da802008-02-04 22:27:35 -08001037static void mdio_sync(unsigned int addr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001038{
1039 int bits;
1040 for (bits = 0; bits < 32; bits++) {
1041 outb(MDIO_DATA_WRITE1, addr);
1042 outb(MDIO_DATA_WRITE1 | MDIO_SHIFT_CLK, addr);
1043 }
1044}
1045
1046static int mdio_read(struct net_device *dev, int phy_id, int loc)
1047{
Olof Johansson906da802008-02-04 22:27:35 -08001048 unsigned int addr = dev->base_addr + MGMT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001049 u_int cmd = (0x06<<10)|(phy_id<<5)|loc;
1050 int i, retval = 0;
1051
1052 mdio_sync(addr);
1053 for (i = 13; i >= 0; i--) {
1054 int dat = (cmd&(1<<i)) ? MDIO_DATA_WRITE1 : MDIO_DATA_WRITE0;
1055 outb(dat, addr);
1056 outb(dat | MDIO_SHIFT_CLK, addr);
1057 }
1058 for (i = 19; i > 0; i--) {
1059 outb(0, addr);
1060 retval = (retval << 1) | ((inb(addr) & MDIO_DATA_READ) != 0);
1061 outb(MDIO_SHIFT_CLK, addr);
1062 }
1063 return (retval>>1) & 0xffff;
1064}
1065
1066static void mdio_write(struct net_device *dev, int phy_id, int loc, int value)
1067{
Olof Johansson906da802008-02-04 22:27:35 -08001068 unsigned int addr = dev->base_addr + MGMT;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001069 u_int cmd = (0x05<<28)|(phy_id<<23)|(loc<<18)|(1<<17)|value;
1070 int i;
1071
1072 mdio_sync(addr);
1073 for (i = 31; i >= 0; i--) {
1074 int dat = (cmd&(1<<i)) ? MDIO_DATA_WRITE1 : MDIO_DATA_WRITE0;
1075 outb(dat, addr);
1076 outb(dat | MDIO_SHIFT_CLK, addr);
1077 }
1078 for (i = 1; i >= 0; i--) {
1079 outb(0, addr);
1080 outb(MDIO_SHIFT_CLK, addr);
1081 }
1082}
1083
1084/*======================================================================
1085
1086 The driver core code, most of which should be common with a
1087 non-PCMCIA implementation.
1088
1089======================================================================*/
1090
1091#ifdef PCMCIA_DEBUG
1092static void smc_dump(struct net_device *dev)
1093{
Olof Johansson906da802008-02-04 22:27:35 -08001094 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001095 u_short i, w, save;
1096 save = inw(ioaddr + BANK_SELECT);
1097 for (w = 0; w < 4; w++) {
1098 SMC_SELECT_BANK(w);
1099 printk(KERN_DEBUG "bank %d: ", w);
1100 for (i = 0; i < 14; i += 2)
1101 printk(" %04x", inw(ioaddr + i));
1102 printk("\n");
1103 }
1104 outw(save, ioaddr + BANK_SELECT);
1105}
1106#endif
1107
1108static int smc_open(struct net_device *dev)
1109{
1110 struct smc_private *smc = netdev_priv(dev);
Dominik Brodowskifba395e2006-03-31 17:21:06 +02001111 struct pcmcia_device *link = smc->p_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001112
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001113 dev_dbg(&link->dev, "%s: smc_open(%p), ID/Window %4.4x.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001114 dev->name, dev, inw(dev->base_addr + BANK_SELECT));
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001115#ifdef PCMCIA_DEBUG
1116 smc_dump(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001117#endif
1118
1119 /* Check that the PCMCIA card is still here. */
Dominik Brodowski9940ec32006-03-05 11:04:33 +01001120 if (!pcmcia_dev_present(link))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001121 return -ENODEV;
1122 /* Physical device present signature. */
1123 if (check_sig(link) < 0) {
1124 printk("smc91c92_cs: Yikes! Bad chip signature!\n");
1125 return -ENODEV;
1126 }
1127 link->open++;
1128
1129 netif_start_queue(dev);
1130 smc->saved_skb = NULL;
1131 smc->packets_waiting = 0;
1132
1133 smc_reset(dev);
1134 init_timer(&smc->media);
1135 smc->media.function = &media_check;
1136 smc->media.data = (u_long) dev;
1137 smc->media.expires = jiffies + HZ;
1138 add_timer(&smc->media);
1139
1140 return 0;
1141} /* smc_open */
1142
1143/*====================================================================*/
1144
1145static int smc_close(struct net_device *dev)
1146{
1147 struct smc_private *smc = netdev_priv(dev);
Dominik Brodowskifba395e2006-03-31 17:21:06 +02001148 struct pcmcia_device *link = smc->p_dev;
Olof Johansson906da802008-02-04 22:27:35 -08001149 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001150
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001151 dev_dbg(&link->dev, "%s: smc_close(), status %4.4x.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001152 dev->name, inw(ioaddr + BANK_SELECT));
1153
1154 netif_stop_queue(dev);
1155
1156 /* Shut off all interrupts, and turn off the Tx and Rx sections.
1157 Don't bother to check for chip present. */
1158 SMC_SELECT_BANK(2); /* Nominally paranoia, but do no assume... */
1159 outw(0, ioaddr + INTERRUPT);
1160 SMC_SELECT_BANK(0);
1161 mask_bits(0xff00, ioaddr + RCR);
1162 mask_bits(0xff00, ioaddr + TCR);
1163
1164 /* Put the chip into power-down mode. */
1165 SMC_SELECT_BANK(1);
1166 outw(CTL_POWERDOWN, ioaddr + CONTROL );
1167
1168 link->open--;
1169 del_timer_sync(&smc->media);
1170
1171 return 0;
1172} /* smc_close */
1173
1174/*======================================================================
1175
1176 Transfer a packet to the hardware and trigger the packet send.
1177 This may be called at either from either the Tx queue code
1178 or the interrupt handler.
1179
1180======================================================================*/
1181
1182static void smc_hardware_send_packet(struct net_device * dev)
1183{
1184 struct smc_private *smc = netdev_priv(dev);
1185 struct sk_buff *skb = smc->saved_skb;
Olof Johansson906da802008-02-04 22:27:35 -08001186 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001187 u_char packet_no;
1188
1189 if (!skb) {
1190 printk(KERN_ERR "%s: In XMIT with no packet to send.\n", dev->name);
1191 return;
1192 }
1193
1194 /* There should be a packet slot waiting. */
1195 packet_no = inw(ioaddr + PNR_ARR) >> 8;
1196 if (packet_no & 0x80) {
1197 /* If not, there is a hardware problem! Likely an ejected card. */
1198 printk(KERN_WARNING "%s: 91c92 hardware Tx buffer allocation"
1199 " failed, status %#2.2x.\n", dev->name, packet_no);
1200 dev_kfree_skb_irq(skb);
1201 smc->saved_skb = NULL;
1202 netif_start_queue(dev);
1203 return;
1204 }
1205
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001206 dev->stats.tx_bytes += skb->len;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001207 /* The card should use the just-allocated buffer. */
1208 outw(packet_no, ioaddr + PNR_ARR);
1209 /* point to the beginning of the packet */
1210 outw(PTR_AUTOINC , ioaddr + POINTER);
1211
1212 /* Send the packet length (+6 for status, length and ctl byte)
1213 and the status word (set to zeros). */
1214 {
1215 u_char *buf = skb->data;
1216 u_int length = skb->len; /* The chip will pad to ethernet min. */
1217
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001218 pr_debug("%s: Trying to xmit packet of length %d.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001219 dev->name, length);
1220
1221 /* send the packet length: +6 for status word, length, and ctl */
1222 outw(0, ioaddr + DATA_1);
1223 outw(length + 6, ioaddr + DATA_1);
1224 outsw(ioaddr + DATA_1, buf, length >> 1);
1225
1226 /* The odd last byte, if there is one, goes in the control word. */
1227 outw((length & 1) ? 0x2000 | buf[length-1] : 0, ioaddr + DATA_1);
1228 }
1229
1230 /* Enable the Tx interrupts, both Tx (TxErr) and TxEmpty. */
1231 outw(((IM_TX_INT|IM_TX_EMPTY_INT)<<8) |
1232 (inw(ioaddr + INTERRUPT) & 0xff00),
1233 ioaddr + INTERRUPT);
1234
1235 /* The chip does the rest of the work. */
1236 outw(MC_ENQUEUE , ioaddr + MMU_CMD);
1237
1238 smc->saved_skb = NULL;
1239 dev_kfree_skb_irq(skb);
1240 dev->trans_start = jiffies;
1241 netif_start_queue(dev);
1242 return;
1243}
1244
1245/*====================================================================*/
1246
1247static void smc_tx_timeout(struct net_device *dev)
1248{
1249 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001250 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001251
1252 printk(KERN_NOTICE "%s: SMC91c92 transmit timed out, "
1253 "Tx_status %2.2x status %4.4x.\n",
1254 dev->name, inw(ioaddr)&0xff, inw(ioaddr + 2));
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001255 dev->stats.tx_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001256 smc_reset(dev);
1257 dev->trans_start = jiffies;
1258 smc->saved_skb = NULL;
1259 netif_wake_queue(dev);
1260}
1261
Stephen Hemmingerdbf02fa2009-08-31 19:50:49 +00001262static netdev_tx_t smc_start_xmit(struct sk_buff *skb,
1263 struct net_device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001264{
1265 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001266 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001267 u_short num_pages;
1268 short time_out, ir;
Komuro85e27832007-07-23 21:36:06 +09001269 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001270
1271 netif_stop_queue(dev);
1272
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001273 pr_debug("%s: smc_start_xmit(length = %d) called,"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001274 " status %4.4x.\n", dev->name, skb->len, inw(ioaddr + 2));
1275
1276 if (smc->saved_skb) {
1277 /* THIS SHOULD NEVER HAPPEN. */
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001278 dev->stats.tx_aborted_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001279 printk(KERN_DEBUG "%s: Internal error -- sent packet while busy.\n",
1280 dev->name);
Patrick McHardy5b548142009-06-12 06:22:29 +00001281 return NETDEV_TX_BUSY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001282 }
1283 smc->saved_skb = skb;
1284
1285 num_pages = skb->len >> 8;
1286
1287 if (num_pages > 7) {
1288 printk(KERN_ERR "%s: Far too big packet error.\n", dev->name);
1289 dev_kfree_skb (skb);
1290 smc->saved_skb = NULL;
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001291 dev->stats.tx_dropped++;
Patrick McHardy6ed10652009-06-23 06:03:08 +00001292 return NETDEV_TX_OK; /* Do not re-queue this packet. */
Linus Torvalds1da177e2005-04-16 15:20:36 -07001293 }
1294 /* A packet is now waiting. */
1295 smc->packets_waiting++;
1296
Komuro85e27832007-07-23 21:36:06 +09001297 spin_lock_irqsave(&smc->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001298 SMC_SELECT_BANK(2); /* Paranoia, we should always be in window 2 */
1299
1300 /* need MC_RESET to keep the memory consistent. errata? */
1301 if (smc->rx_ovrn) {
1302 outw(MC_RESET, ioaddr + MMU_CMD);
1303 smc->rx_ovrn = 0;
1304 }
1305
1306 /* Allocate the memory; send the packet now if we win. */
1307 outw(MC_ALLOC | num_pages, ioaddr + MMU_CMD);
1308 for (time_out = MEMORY_WAIT_TIME; time_out >= 0; time_out--) {
1309 ir = inw(ioaddr+INTERRUPT);
1310 if (ir & IM_ALLOC_INT) {
1311 /* Acknowledge the interrupt, send the packet. */
1312 outw((ir&0xff00) | IM_ALLOC_INT, ioaddr + INTERRUPT);
1313 smc_hardware_send_packet(dev); /* Send the packet now.. */
Komuro85e27832007-07-23 21:36:06 +09001314 spin_unlock_irqrestore(&smc->lock, flags);
Patrick McHardy6ed10652009-06-23 06:03:08 +00001315 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001316 }
1317 }
1318
1319 /* Otherwise defer until the Tx-space-allocated interrupt. */
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001320 pr_debug("%s: memory allocation deferred.\n", dev->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001321 outw((IM_ALLOC_INT << 8) | (ir & 0xff00), ioaddr + INTERRUPT);
Komuro85e27832007-07-23 21:36:06 +09001322 spin_unlock_irqrestore(&smc->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001323
Patrick McHardy6ed10652009-06-23 06:03:08 +00001324 return NETDEV_TX_OK;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001325}
1326
1327/*======================================================================
1328
1329 Handle a Tx anomolous event. Entered while in Window 2.
1330
1331======================================================================*/
1332
1333static void smc_tx_err(struct net_device * dev)
1334{
1335 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001336 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001337 int saved_packet = inw(ioaddr + PNR_ARR) & 0xff;
1338 int packet_no = inw(ioaddr + FIFO_PORTS) & 0x7f;
1339 int tx_status;
1340
1341 /* select this as the packet to read from */
1342 outw(packet_no, ioaddr + PNR_ARR);
1343
1344 /* read the first word from this packet */
1345 outw(PTR_AUTOINC | PTR_READ | 0, ioaddr + POINTER);
1346
1347 tx_status = inw(ioaddr + DATA_1);
1348
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001349 dev->stats.tx_errors++;
1350 if (tx_status & TS_LOSTCAR) dev->stats.tx_carrier_errors++;
1351 if (tx_status & TS_LATCOL) dev->stats.tx_window_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001352 if (tx_status & TS_16COL) {
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001353 dev->stats.tx_aborted_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001354 smc->tx_err++;
1355 }
1356
1357 if (tx_status & TS_SUCCESS) {
1358 printk(KERN_NOTICE "%s: Successful packet caused error "
1359 "interrupt?\n", dev->name);
1360 }
1361 /* re-enable transmit */
1362 SMC_SELECT_BANK(0);
1363 outw(inw(ioaddr + TCR) | TCR_ENABLE | smc->duplex, ioaddr + TCR);
1364 SMC_SELECT_BANK(2);
1365
1366 outw(MC_FREEPKT, ioaddr + MMU_CMD); /* Free the packet memory. */
1367
1368 /* one less packet waiting for me */
1369 smc->packets_waiting--;
1370
1371 outw(saved_packet, ioaddr + PNR_ARR);
1372 return;
1373}
1374
1375/*====================================================================*/
1376
1377static void smc_eph_irq(struct net_device *dev)
1378{
1379 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001380 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001381 u_short card_stats, ephs;
1382
1383 SMC_SELECT_BANK(0);
1384 ephs = inw(ioaddr + EPH);
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001385 pr_debug("%s: Ethernet protocol handler interrupt, status"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001386 " %4.4x.\n", dev->name, ephs);
1387 /* Could be a counter roll-over warning: update stats. */
1388 card_stats = inw(ioaddr + COUNTER);
1389 /* single collisions */
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001390 dev->stats.collisions += card_stats & 0xF;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001391 card_stats >>= 4;
1392 /* multiple collisions */
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001393 dev->stats.collisions += card_stats & 0xF;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001394#if 0 /* These are for when linux supports these statistics */
1395 card_stats >>= 4; /* deferred */
1396 card_stats >>= 4; /* excess deferred */
1397#endif
1398 /* If we had a transmit error we must re-enable the transmitter. */
1399 outw(inw(ioaddr + TCR) | TCR_ENABLE | smc->duplex, ioaddr + TCR);
1400
1401 /* Clear a link error interrupt. */
1402 SMC_SELECT_BANK(1);
1403 outw(CTL_AUTO_RELEASE | 0x0000, ioaddr + CONTROL);
1404 outw(CTL_AUTO_RELEASE | CTL_TE_ENABLE | CTL_CR_ENABLE,
1405 ioaddr + CONTROL);
1406 SMC_SELECT_BANK(2);
1407}
1408
1409/*====================================================================*/
1410
David Howells7d12e782006-10-05 14:55:46 +01001411static irqreturn_t smc_interrupt(int irq, void *dev_id)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001412{
1413 struct net_device *dev = dev_id;
1414 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001415 unsigned int ioaddr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001416 u_short saved_bank, saved_pointer, mask, status;
1417 unsigned int handled = 1;
1418 char bogus_cnt = INTR_WORK; /* Work we are willing to do. */
1419
1420 if (!netif_device_present(dev))
1421 return IRQ_NONE;
1422
1423 ioaddr = dev->base_addr;
1424
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001425 pr_debug("%s: SMC91c92 interrupt %d at %#x.\n", dev->name,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001426 irq, ioaddr);
1427
Komuro85e27832007-07-23 21:36:06 +09001428 spin_lock(&smc->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001429 smc->watchdog = 0;
1430 saved_bank = inw(ioaddr + BANK_SELECT);
1431 if ((saved_bank & 0xff00) != 0x3300) {
1432 /* The device does not exist -- the card could be off-line, or
1433 maybe it has been ejected. */
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001434 pr_debug("%s: SMC91c92 interrupt %d for non-existent"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001435 "/ejected device.\n", dev->name, irq);
1436 handled = 0;
1437 goto irq_done;
1438 }
1439
1440 SMC_SELECT_BANK(2);
1441 saved_pointer = inw(ioaddr + POINTER);
1442 mask = inw(ioaddr + INTERRUPT) >> 8;
1443 /* clear all interrupts */
1444 outw(0, ioaddr + INTERRUPT);
1445
1446 do { /* read the status flag, and mask it */
1447 status = inw(ioaddr + INTERRUPT) & 0xff;
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001448 pr_debug("%s: Status is %#2.2x (mask %#2.2x).\n", dev->name,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001449 status, mask);
1450 if ((status & mask) == 0) {
1451 if (bogus_cnt == INTR_WORK)
1452 handled = 0;
1453 break;
1454 }
1455 if (status & IM_RCV_INT) {
1456 /* Got a packet(s). */
1457 smc_rx(dev);
1458 }
1459 if (status & IM_TX_INT) {
1460 smc_tx_err(dev);
1461 outw(IM_TX_INT, ioaddr + INTERRUPT);
1462 }
1463 status &= mask;
1464 if (status & IM_TX_EMPTY_INT) {
1465 outw(IM_TX_EMPTY_INT, ioaddr + INTERRUPT);
1466 mask &= ~IM_TX_EMPTY_INT;
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001467 dev->stats.tx_packets += smc->packets_waiting;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001468 smc->packets_waiting = 0;
1469 }
1470 if (status & IM_ALLOC_INT) {
1471 /* Clear this interrupt so it doesn't happen again */
1472 mask &= ~IM_ALLOC_INT;
1473
1474 smc_hardware_send_packet(dev);
1475
1476 /* enable xmit interrupts based on this */
1477 mask |= (IM_TX_EMPTY_INT | IM_TX_INT);
1478
1479 /* and let the card send more packets to me */
1480 netif_wake_queue(dev);
1481 }
1482 if (status & IM_RX_OVRN_INT) {
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001483 dev->stats.rx_errors++;
1484 dev->stats.rx_fifo_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001485 if (smc->duplex)
1486 smc->rx_ovrn = 1; /* need MC_RESET outside smc_interrupt */
1487 outw(IM_RX_OVRN_INT, ioaddr + INTERRUPT);
1488 }
1489 if (status & IM_EPH_INT)
1490 smc_eph_irq(dev);
1491 } while (--bogus_cnt);
1492
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001493 pr_debug(" Restoring saved registers mask %2.2x bank %4.4x"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001494 " pointer %4.4x.\n", mask, saved_bank, saved_pointer);
1495
1496 /* restore state register */
1497 outw((mask<<8), ioaddr + INTERRUPT);
1498 outw(saved_pointer, ioaddr + POINTER);
1499 SMC_SELECT_BANK(saved_bank);
1500
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001501 pr_debug("%s: Exiting interrupt IRQ%d.\n", dev->name, irq);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001502
1503irq_done:
1504
1505 if ((smc->manfid == MANFID_OSITECH) &&
1506 (smc->cardid != PRODID_OSITECH_SEVEN)) {
1507 /* Retrigger interrupt if needed */
1508 mask_bits(0x00ff, ioaddr-0x10+OSITECH_RESET_ISR);
1509 set_bits(0x0300, ioaddr-0x10+OSITECH_RESET_ISR);
1510 }
1511 if (smc->manfid == MANFID_MOTOROLA) {
1512 u_char cor;
1513 cor = readb(smc->base + MOT_UART + CISREG_COR);
1514 writeb(cor & ~COR_IREQ_ENA, smc->base + MOT_UART + CISREG_COR);
1515 writeb(cor, smc->base + MOT_UART + CISREG_COR);
1516 cor = readb(smc->base + MOT_LAN + CISREG_COR);
1517 writeb(cor & ~COR_IREQ_ENA, smc->base + MOT_LAN + CISREG_COR);
1518 writeb(cor, smc->base + MOT_LAN + CISREG_COR);
1519 }
1520#ifdef DOES_NOT_WORK
1521 if (smc->base != NULL) { /* Megahertz MFC's */
1522 readb(smc->base+MEGAHERTZ_ISR);
1523 readb(smc->base+MEGAHERTZ_ISR);
1524 }
1525#endif
Komuro85e27832007-07-23 21:36:06 +09001526 spin_unlock(&smc->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001527 return IRQ_RETVAL(handled);
1528}
1529
1530/*====================================================================*/
1531
1532static void smc_rx(struct net_device *dev)
1533{
Olof Johansson906da802008-02-04 22:27:35 -08001534 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001535 int rx_status;
1536 int packet_length; /* Caution: not frame length, rather words
1537 to transfer from the chip. */
1538
1539 /* Assertion: we are in Window 2. */
1540
1541 if (inw(ioaddr + FIFO_PORTS) & FP_RXEMPTY) {
1542 printk(KERN_ERR "%s: smc_rx() with nothing on Rx FIFO.\n",
1543 dev->name);
1544 return;
1545 }
1546
1547 /* Reset the read pointer, and read the status and packet length. */
1548 outw(PTR_READ | PTR_RCV | PTR_AUTOINC, ioaddr + POINTER);
1549 rx_status = inw(ioaddr + DATA_1);
1550 packet_length = inw(ioaddr + DATA_1) & 0x07ff;
1551
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001552 pr_debug("%s: Receive status %4.4x length %d.\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001553 dev->name, rx_status, packet_length);
1554
1555 if (!(rx_status & RS_ERRORS)) {
1556 /* do stuff to make a new packet */
1557 struct sk_buff *skb;
1558
1559 /* Note: packet_length adds 5 or 6 extra bytes here! */
1560 skb = dev_alloc_skb(packet_length+2);
1561
1562 if (skb == NULL) {
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001563 pr_debug("%s: Low memory, packet dropped.\n", dev->name);
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001564 dev->stats.rx_dropped++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001565 outw(MC_RELEASE, ioaddr + MMU_CMD);
1566 return;
1567 }
1568
1569 packet_length -= (rx_status & RS_ODDFRAME ? 5 : 6);
1570 skb_reserve(skb, 2);
1571 insw(ioaddr+DATA_1, skb_put(skb, packet_length),
1572 (packet_length+1)>>1);
1573 skb->protocol = eth_type_trans(skb, dev);
1574
Linus Torvalds1da177e2005-04-16 15:20:36 -07001575 netif_rx(skb);
1576 dev->last_rx = jiffies;
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001577 dev->stats.rx_packets++;
1578 dev->stats.rx_bytes += packet_length;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001579 if (rx_status & RS_MULTICAST)
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001580 dev->stats.multicast++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001581 } else {
1582 /* error ... */
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001583 dev->stats.rx_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001584
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001585 if (rx_status & RS_ALGNERR) dev->stats.rx_frame_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001586 if (rx_status & (RS_TOOSHORT | RS_TOOLONG))
Stephen Hemminger6fb72982009-03-20 19:36:09 +00001587 dev->stats.rx_length_errors++;
1588 if (rx_status & RS_BADCRC) dev->stats.rx_crc_errors++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001589 }
1590 /* Let the MMU free the memory of this packet. */
1591 outw(MC_RELEASE, ioaddr + MMU_CMD);
1592
1593 return;
1594}
1595
Linus Torvalds1da177e2005-04-16 15:20:36 -07001596/*======================================================================
1597
Linus Torvalds1da177e2005-04-16 15:20:36 -07001598 Set the receive mode.
1599
1600 This routine is used by both the protocol level to notify us of
1601 promiscuous/multicast mode changes, and by the open/reset code to
1602 initialize the Rx registers. We always set the multicast list and
1603 leave the receiver running.
1604
1605======================================================================*/
1606
1607static void set_rx_mode(struct net_device *dev)
1608{
Olof Johansson906da802008-02-04 22:27:35 -08001609 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001610 struct smc_private *smc = netdev_priv(dev);
1611 u_int multicast_table[ 2 ] = { 0, };
1612 unsigned long flags;
1613 u_short rx_cfg_setting;
1614
1615 if (dev->flags & IFF_PROMISC) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001616 rx_cfg_setting = RxStripCRC | RxEnable | RxPromisc | RxAllMulti;
1617 } else if (dev->flags & IFF_ALLMULTI)
1618 rx_cfg_setting = RxStripCRC | RxEnable | RxAllMulti;
1619 else {
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00001620 if (!netdev_mc_empty(dev)) {
Jiri Pirko91fea582010-02-19 08:48:47 +00001621 struct dev_mc_list *mc_addr;
1622
1623 netdev_for_each_mc_addr(mc_addr, dev) {
1624 u_int position = ether_crc(6, mc_addr->dmi_addr);
1625#ifndef final_version /* Verify multicast address. */
1626 if ((mc_addr->dmi_addr[0] & 1) == 0)
1627 continue;
1628#endif
1629 multicast_table[position >> 29] |= 1 << ((position >> 26) & 7);
1630 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001631 }
1632 rx_cfg_setting = RxStripCRC | RxEnable;
1633 }
1634
1635 /* Load MC table and Rx setting into the chip without interrupts. */
1636 spin_lock_irqsave(&smc->lock, flags);
1637 SMC_SELECT_BANK(3);
1638 outl(multicast_table[0], ioaddr + MULTICAST0);
1639 outl(multicast_table[1], ioaddr + MULTICAST4);
1640 SMC_SELECT_BANK(0);
1641 outw(rx_cfg_setting, ioaddr + RCR);
1642 SMC_SELECT_BANK(2);
1643 spin_unlock_irqrestore(&smc->lock, flags);
1644
1645 return;
1646}
1647
1648/*======================================================================
1649
1650 Senses when a card's config changes. Here, it's coax or TP.
1651
1652======================================================================*/
1653
1654static int s9k_config(struct net_device *dev, struct ifmap *map)
1655{
1656 struct smc_private *smc = netdev_priv(dev);
1657 if ((map->port != (u_char)(-1)) && (map->port != dev->if_port)) {
1658 if (smc->cfg & CFG_MII_SELECT)
1659 return -EOPNOTSUPP;
1660 else if (map->port > 2)
1661 return -EINVAL;
1662 dev->if_port = map->port;
1663 printk(KERN_INFO "%s: switched to %s port\n",
1664 dev->name, if_names[dev->if_port]);
1665 smc_reset(dev);
1666 }
1667 return 0;
1668}
1669
1670/*======================================================================
1671
1672 Reset the chip, reloading every register that might be corrupted.
1673
1674======================================================================*/
1675
1676/*
1677 Set transceiver type, perhaps to something other than what the user
1678 specified in dev->if_port.
1679*/
1680static void smc_set_xcvr(struct net_device *dev, int if_port)
1681{
1682 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001683 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001684 u_short saved_bank;
1685
1686 saved_bank = inw(ioaddr + BANK_SELECT);
1687 SMC_SELECT_BANK(1);
1688 if (if_port == 2) {
1689 outw(smc->cfg | CFG_AUI_SELECT, ioaddr + CONFIG);
1690 if ((smc->manfid == MANFID_OSITECH) &&
1691 (smc->cardid != PRODID_OSITECH_SEVEN))
1692 set_bits(OSI_AUI_PWR, ioaddr - 0x10 + OSITECH_AUI_PWR);
1693 smc->media_status = ((dev->if_port == 0) ? 0x0001 : 0x0002);
1694 } else {
1695 outw(smc->cfg, ioaddr + CONFIG);
1696 if ((smc->manfid == MANFID_OSITECH) &&
1697 (smc->cardid != PRODID_OSITECH_SEVEN))
1698 mask_bits(~OSI_AUI_PWR, ioaddr - 0x10 + OSITECH_AUI_PWR);
1699 smc->media_status = ((dev->if_port == 0) ? 0x0012 : 0x4001);
1700 }
1701 SMC_SELECT_BANK(saved_bank);
1702}
1703
1704static void smc_reset(struct net_device *dev)
1705{
Olof Johansson906da802008-02-04 22:27:35 -08001706 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001707 struct smc_private *smc = netdev_priv(dev);
1708 int i;
1709
Dominik Brodowskidd0fab52009-10-24 15:51:05 +02001710 pr_debug("%s: smc91c92 reset called.\n", dev->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001711
1712 /* The first interaction must be a write to bring the chip out
1713 of sleep mode. */
1714 SMC_SELECT_BANK(0);
1715 /* Reset the chip. */
1716 outw(RCR_SOFTRESET, ioaddr + RCR);
1717 udelay(10);
1718
1719 /* Clear the transmit and receive configuration registers. */
1720 outw(RCR_CLEAR, ioaddr + RCR);
1721 outw(TCR_CLEAR, ioaddr + TCR);
1722
1723 /* Set the Window 1 control, configuration and station addr registers.
1724 No point in writing the I/O base register ;-> */
1725 SMC_SELECT_BANK(1);
Andreas Mohrd6e05ed2006-06-26 18:35:02 +02001726 /* Automatically release successfully transmitted packets,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001727 Accept link errors, counter and Tx error interrupts. */
1728 outw(CTL_AUTO_RELEASE | CTL_TE_ENABLE | CTL_CR_ENABLE,
1729 ioaddr + CONTROL);
1730 smc_set_xcvr(dev, dev->if_port);
1731 if ((smc->manfid == MANFID_OSITECH) &&
1732 (smc->cardid != PRODID_OSITECH_SEVEN))
1733 outw((dev->if_port == 2 ? OSI_AUI_PWR : 0) |
1734 (inw(ioaddr-0x10+OSITECH_AUI_PWR) & 0xff00),
1735 ioaddr - 0x10 + OSITECH_AUI_PWR);
1736
1737 /* Fill in the physical address. The databook is wrong about the order! */
1738 for (i = 0; i < 6; i += 2)
1739 outw((dev->dev_addr[i+1]<<8)+dev->dev_addr[i],
1740 ioaddr + ADDR0 + i);
1741
1742 /* Reset the MMU */
1743 SMC_SELECT_BANK(2);
1744 outw(MC_RESET, ioaddr + MMU_CMD);
1745 outw(0, ioaddr + INTERRUPT);
1746
1747 /* Re-enable the chip. */
1748 SMC_SELECT_BANK(0);
1749 outw(((smc->cfg & CFG_MII_SELECT) ? 0 : TCR_MONCSN) |
1750 TCR_ENABLE | TCR_PAD_EN | smc->duplex, ioaddr + TCR);
1751 set_rx_mode(dev);
1752
1753 if (smc->cfg & CFG_MII_SELECT) {
1754 SMC_SELECT_BANK(3);
1755
1756 /* Reset MII */
1757 mdio_write(dev, smc->mii_if.phy_id, 0, 0x8000);
1758
1759 /* Advertise 100F, 100H, 10F, 10H */
1760 mdio_write(dev, smc->mii_if.phy_id, 4, 0x01e1);
1761
1762 /* Restart MII autonegotiation */
1763 mdio_write(dev, smc->mii_if.phy_id, 0, 0x0000);
1764 mdio_write(dev, smc->mii_if.phy_id, 0, 0x1200);
1765 }
1766
1767 /* Enable interrupts. */
1768 SMC_SELECT_BANK(2);
1769 outw((IM_EPH_INT | IM_RX_OVRN_INT | IM_RCV_INT) << 8,
1770 ioaddr + INTERRUPT);
1771}
1772
1773/*======================================================================
1774
1775 Media selection timer routine
1776
1777======================================================================*/
1778
1779static void media_check(u_long arg)
1780{
1781 struct net_device *dev = (struct net_device *) arg;
1782 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001783 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001784 u_short i, media, saved_bank;
1785 u_short link;
Komuro85e27832007-07-23 21:36:06 +09001786 unsigned long flags;
1787
1788 spin_lock_irqsave(&smc->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001789
1790 saved_bank = inw(ioaddr + BANK_SELECT);
1791
1792 if (!netif_device_present(dev))
1793 goto reschedule;
1794
1795 SMC_SELECT_BANK(2);
1796
1797 /* need MC_RESET to keep the memory consistent. errata? */
1798 if (smc->rx_ovrn) {
1799 outw(MC_RESET, ioaddr + MMU_CMD);
1800 smc->rx_ovrn = 0;
1801 }
1802 i = inw(ioaddr + INTERRUPT);
1803 SMC_SELECT_BANK(0);
1804 media = inw(ioaddr + EPH) & EPH_LINK_OK;
1805 SMC_SELECT_BANK(1);
1806 media |= (inw(ioaddr + CONFIG) & CFG_AUI_SELECT) ? 2 : 1;
1807
1808 /* Check for pending interrupt with watchdog flag set: with
1809 this, we can limp along even if the interrupt is blocked */
1810 if (smc->watchdog++ && ((i>>8) & i)) {
1811 if (!smc->fast_poll)
1812 printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name);
Komuroe363d132007-02-10 11:57:35 +09001813 smc_interrupt(dev->irq, dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001814 smc->fast_poll = HZ;
1815 }
1816 if (smc->fast_poll) {
1817 smc->fast_poll--;
1818 smc->media.expires = jiffies + HZ/100;
1819 add_timer(&smc->media);
1820 SMC_SELECT_BANK(saved_bank);
Komuro85e27832007-07-23 21:36:06 +09001821 spin_unlock_irqrestore(&smc->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001822 return;
1823 }
1824
1825 if (smc->cfg & CFG_MII_SELECT) {
1826 if (smc->mii_if.phy_id < 0)
1827 goto reschedule;
1828
1829 SMC_SELECT_BANK(3);
1830 link = mdio_read(dev, smc->mii_if.phy_id, 1);
1831 if (!link || (link == 0xffff)) {
1832 printk(KERN_INFO "%s: MII is missing!\n", dev->name);
1833 smc->mii_if.phy_id = -1;
1834 goto reschedule;
1835 }
1836
1837 link &= 0x0004;
1838 if (link != smc->link_status) {
1839 u_short p = mdio_read(dev, smc->mii_if.phy_id, 5);
1840 printk(KERN_INFO "%s: %s link beat\n", dev->name,
1841 (link) ? "found" : "lost");
1842 smc->duplex = (((p & 0x0100) || ((p & 0x1c0) == 0x40))
1843 ? TCR_FDUPLX : 0);
1844 if (link) {
1845 printk(KERN_INFO "%s: autonegotiation complete: "
1846 "%sbaseT-%cD selected\n", dev->name,
1847 ((p & 0x0180) ? "100" : "10"),
1848 (smc->duplex ? 'F' : 'H'));
1849 }
1850 SMC_SELECT_BANK(0);
1851 outw(inw(ioaddr + TCR) | smc->duplex, ioaddr + TCR);
1852 smc->link_status = link;
1853 }
1854 goto reschedule;
1855 }
1856
1857 /* Ignore collisions unless we've had no rx's recently */
Marcelo Feitoza Parisi4851d3a2005-07-15 10:00:41 -07001858 if (time_after(jiffies, dev->last_rx + HZ)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001859 if (smc->tx_err || (smc->media_status & EPH_16COL))
1860 media |= EPH_16COL;
1861 }
1862 smc->tx_err = 0;
1863
1864 if (media != smc->media_status) {
1865 if ((media & smc->media_status & 1) &&
1866 ((smc->media_status ^ media) & EPH_LINK_OK))
1867 printk(KERN_INFO "%s: %s link beat\n", dev->name,
1868 (smc->media_status & EPH_LINK_OK ? "lost" : "found"));
1869 else if ((media & smc->media_status & 2) &&
1870 ((smc->media_status ^ media) & EPH_16COL))
1871 printk(KERN_INFO "%s: coax cable %s\n", dev->name,
1872 (media & EPH_16COL ? "problem" : "ok"));
1873 if (dev->if_port == 0) {
1874 if (media & 1) {
1875 if (media & EPH_LINK_OK)
1876 printk(KERN_INFO "%s: flipped to 10baseT\n",
1877 dev->name);
1878 else
1879 smc_set_xcvr(dev, 2);
1880 } else {
1881 if (media & EPH_16COL)
1882 smc_set_xcvr(dev, 1);
1883 else
1884 printk(KERN_INFO "%s: flipped to 10base2\n",
1885 dev->name);
1886 }
1887 }
1888 smc->media_status = media;
1889 }
1890
1891reschedule:
1892 smc->media.expires = jiffies + HZ;
1893 add_timer(&smc->media);
1894 SMC_SELECT_BANK(saved_bank);
Komuro85e27832007-07-23 21:36:06 +09001895 spin_unlock_irqrestore(&smc->lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001896}
1897
1898static int smc_link_ok(struct net_device *dev)
1899{
Olof Johansson906da802008-02-04 22:27:35 -08001900 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001901 struct smc_private *smc = netdev_priv(dev);
1902
1903 if (smc->cfg & CFG_MII_SELECT) {
1904 return mii_link_ok(&smc->mii_if);
1905 } else {
1906 SMC_SELECT_BANK(0);
1907 return inw(ioaddr + EPH) & EPH_LINK_OK;
1908 }
1909}
1910
1911static int smc_netdev_get_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
1912{
1913 u16 tmp;
Olof Johansson906da802008-02-04 22:27:35 -08001914 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001915
1916 ecmd->supported = (SUPPORTED_TP | SUPPORTED_AUI |
1917 SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full);
1918
1919 SMC_SELECT_BANK(1);
1920 tmp = inw(ioaddr + CONFIG);
1921 ecmd->port = (tmp & CFG_AUI_SELECT) ? PORT_AUI : PORT_TP;
1922 ecmd->transceiver = XCVR_INTERNAL;
1923 ecmd->speed = SPEED_10;
1924 ecmd->phy_address = ioaddr + MGMT;
1925
1926 SMC_SELECT_BANK(0);
1927 tmp = inw(ioaddr + TCR);
1928 ecmd->duplex = (tmp & TCR_FDUPLX) ? DUPLEX_FULL : DUPLEX_HALF;
1929
1930 return 0;
1931}
1932
1933static int smc_netdev_set_ecmd(struct net_device *dev, struct ethtool_cmd *ecmd)
1934{
1935 u16 tmp;
Olof Johansson906da802008-02-04 22:27:35 -08001936 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001937
1938 if (ecmd->speed != SPEED_10)
1939 return -EINVAL;
1940 if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL)
1941 return -EINVAL;
1942 if (ecmd->port != PORT_TP && ecmd->port != PORT_AUI)
1943 return -EINVAL;
1944 if (ecmd->transceiver != XCVR_INTERNAL)
1945 return -EINVAL;
1946
1947 if (ecmd->port == PORT_AUI)
1948 smc_set_xcvr(dev, 1);
1949 else
1950 smc_set_xcvr(dev, 0);
1951
1952 SMC_SELECT_BANK(0);
1953 tmp = inw(ioaddr + TCR);
1954 if (ecmd->duplex == DUPLEX_FULL)
1955 tmp |= TCR_FDUPLX;
1956 else
1957 tmp &= ~TCR_FDUPLX;
1958 outw(tmp, ioaddr + TCR);
1959
1960 return 0;
1961}
1962
1963static int check_if_running(struct net_device *dev)
1964{
1965 if (!netif_running(dev))
1966 return -EINVAL;
1967 return 0;
1968}
1969
1970static void smc_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
1971{
1972 strcpy(info->driver, DRV_NAME);
1973 strcpy(info->version, DRV_VERSION);
1974}
1975
1976static int smc_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
1977{
1978 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001979 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001980 u16 saved_bank = inw(ioaddr + BANK_SELECT);
1981 int ret;
1982
Linus Torvalds1da177e2005-04-16 15:20:36 -07001983 spin_lock_irq(&smc->lock);
Komuro85e27832007-07-23 21:36:06 +09001984 SMC_SELECT_BANK(3);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001985 if (smc->cfg & CFG_MII_SELECT)
1986 ret = mii_ethtool_gset(&smc->mii_if, ecmd);
1987 else
1988 ret = smc_netdev_get_ecmd(dev, ecmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001989 SMC_SELECT_BANK(saved_bank);
Komuro85e27832007-07-23 21:36:06 +09001990 spin_unlock_irq(&smc->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001991 return ret;
1992}
1993
1994static int smc_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
1995{
1996 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08001997 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001998 u16 saved_bank = inw(ioaddr + BANK_SELECT);
1999 int ret;
2000
Linus Torvalds1da177e2005-04-16 15:20:36 -07002001 spin_lock_irq(&smc->lock);
Komuro85e27832007-07-23 21:36:06 +09002002 SMC_SELECT_BANK(3);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002003 if (smc->cfg & CFG_MII_SELECT)
2004 ret = mii_ethtool_sset(&smc->mii_if, ecmd);
2005 else
2006 ret = smc_netdev_set_ecmd(dev, ecmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002007 SMC_SELECT_BANK(saved_bank);
Komuro85e27832007-07-23 21:36:06 +09002008 spin_unlock_irq(&smc->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002009 return ret;
2010}
2011
2012static u32 smc_get_link(struct net_device *dev)
2013{
2014 struct smc_private *smc = netdev_priv(dev);
Olof Johansson906da802008-02-04 22:27:35 -08002015 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002016 u16 saved_bank = inw(ioaddr + BANK_SELECT);
2017 u32 ret;
2018
Linus Torvalds1da177e2005-04-16 15:20:36 -07002019 spin_lock_irq(&smc->lock);
Komuro85e27832007-07-23 21:36:06 +09002020 SMC_SELECT_BANK(3);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002021 ret = smc_link_ok(dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002022 SMC_SELECT_BANK(saved_bank);
Komuro85e27832007-07-23 21:36:06 +09002023 spin_unlock_irq(&smc->lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002024 return ret;
2025}
2026
Linus Torvalds1da177e2005-04-16 15:20:36 -07002027static int smc_nway_reset(struct net_device *dev)
2028{
2029 struct smc_private *smc = netdev_priv(dev);
2030 if (smc->cfg & CFG_MII_SELECT) {
Olof Johansson906da802008-02-04 22:27:35 -08002031 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002032 u16 saved_bank = inw(ioaddr + BANK_SELECT);
2033 int res;
2034
2035 SMC_SELECT_BANK(3);
2036 res = mii_nway_restart(&smc->mii_if);
2037 SMC_SELECT_BANK(saved_bank);
2038
2039 return res;
2040 } else
2041 return -EOPNOTSUPP;
2042}
2043
Jeff Garzik7282d492006-09-13 14:30:00 -04002044static const struct ethtool_ops ethtool_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002045 .begin = check_if_running,
2046 .get_drvinfo = smc_get_drvinfo,
2047 .get_settings = smc_get_settings,
2048 .set_settings = smc_set_settings,
2049 .get_link = smc_get_link,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002050 .nway_reset = smc_nway_reset,
2051};
2052
2053static int smc_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
2054{
2055 struct smc_private *smc = netdev_priv(dev);
2056 struct mii_ioctl_data *mii = if_mii(rq);
2057 int rc = 0;
2058 u16 saved_bank;
Olof Johansson906da802008-02-04 22:27:35 -08002059 unsigned int ioaddr = dev->base_addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002060
2061 if (!netif_running(dev))
2062 return -EINVAL;
2063
2064 spin_lock_irq(&smc->lock);
2065 saved_bank = inw(ioaddr + BANK_SELECT);
2066 SMC_SELECT_BANK(3);
2067 rc = generic_mii_ioctl(&smc->mii_if, mii, cmd, NULL);
2068 SMC_SELECT_BANK(saved_bank);
2069 spin_unlock_irq(&smc->lock);
2070 return rc;
2071}
2072
Dominik Brodowski5c672222005-06-27 16:28:27 -07002073static struct pcmcia_device_id smc91c92_ids[] = {
2074 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0109, 0x0501),
2075 PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0140, 0x000a),
2076 PCMCIA_PFC_DEVICE_PROD_ID123(0, "MEGAHERTZ", "CC/XJEM3288", "DATA/FAX/CELL ETHERNET MODEM", 0xf510db04, 0x04cd2988, 0x46a52d63),
2077 PCMCIA_PFC_DEVICE_PROD_ID123(0, "MEGAHERTZ", "CC/XJEM3336", "DATA/FAX/CELL ETHERNET MODEM", 0xf510db04, 0x0143b773, 0x46a52d63),
2078 PCMCIA_PFC_DEVICE_PROD_ID123(0, "MEGAHERTZ", "EM1144T", "PCMCIA MODEM", 0xf510db04, 0x856d66c8, 0xbd6c43ef),
2079 PCMCIA_PFC_DEVICE_PROD_ID123(0, "MEGAHERTZ", "XJEM1144/CCEM1144", "PCMCIA MODEM", 0xf510db04, 0x52d21e1e, 0xbd6c43ef),
2080 PCMCIA_PFC_DEVICE_PROD_ID12(0, "Gateway 2000", "XJEM3336", 0xdd9989be, 0x662c394c),
2081 PCMCIA_PFC_DEVICE_PROD_ID12(0, "MEGAHERTZ", "XJEM1144/CCEM1144", 0xf510db04, 0x52d21e1e),
Komurod277ad02005-07-28 01:07:24 -07002082 PCMCIA_PFC_DEVICE_PROD_ID12(0, "Ositech", "Trumpcard:Jack of Diamonds Modem+Ethernet", 0xc2f80cd, 0x656947b9),
2083 PCMCIA_PFC_DEVICE_PROD_ID12(0, "Ositech", "Trumpcard:Jack of Hearts Modem+Ethernet", 0xc2f80cd, 0xdc9ba5ed),
Dominik Brodowski5c672222005-06-27 16:28:27 -07002084 PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x016c, 0x0020),
2085 PCMCIA_DEVICE_MANF_CARD(0x016c, 0x0023),
2086 PCMCIA_DEVICE_PROD_ID123("BASICS by New Media Corporation", "Ethernet", "SMC91C94", 0x23c78a9d, 0x00b2e941, 0xcef397fb),
2087 PCMCIA_DEVICE_PROD_ID12("ARGOSY", "Fast Ethernet PCCard", 0x78f308dc, 0xdcea68bc),
2088 PCMCIA_DEVICE_PROD_ID12("dit Co., Ltd.", "PC Card-10/100BTX", 0xe59365c8, 0x6a2161d1),
2089 PCMCIA_DEVICE_PROD_ID12("DYNALINK", "L100C", 0x6a26d1cf, 0xc16ce9c5),
2090 PCMCIA_DEVICE_PROD_ID12("Farallon", "Farallon Enet", 0x58d93fc4, 0x244734e9),
2091 PCMCIA_DEVICE_PROD_ID12("Megahertz", "CC10BT/2", 0x33234748, 0x3c95b953),
2092 PCMCIA_DEVICE_PROD_ID12("MELCO/SMC", "LPC-TX", 0xa2cd8e6d, 0x42da662a),
Komurod277ad02005-07-28 01:07:24 -07002093 PCMCIA_DEVICE_PROD_ID12("Ositech", "Trumpcard:Four of Diamonds Ethernet", 0xc2f80cd, 0xb3466314),
2094 PCMCIA_DEVICE_PROD_ID12("Ositech", "Trumpcard:Seven of Diamonds Ethernet", 0xc2f80cd, 0x194b650a),
Dominik Brodowski5c672222005-06-27 16:28:27 -07002095 PCMCIA_DEVICE_PROD_ID12("PCMCIA", "Fast Ethernet PCCard", 0x281f1c5d, 0xdcea68bc),
2096 PCMCIA_DEVICE_PROD_ID12("Psion", "10Mb Ethernet", 0x4ef00b21, 0x844be9e9),
2097 PCMCIA_DEVICE_PROD_ID12("SMC", "EtherEZ Ethernet 8020", 0xc4f8b18b, 0x4a0eeb2d),
2098 /* These conflict with other cards! */
2099 /* PCMCIA_DEVICE_MANF_CARD(0x0186, 0x0100), */
2100 /* PCMCIA_DEVICE_MANF_CARD(0x8a01, 0xc1ab), */
2101 PCMCIA_DEVICE_NULL,
2102};
2103MODULE_DEVICE_TABLE(pcmcia, smc91c92_ids);
2104
Linus Torvalds1da177e2005-04-16 15:20:36 -07002105static struct pcmcia_driver smc91c92_cs_driver = {
2106 .owner = THIS_MODULE,
2107 .drv = {
2108 .name = "smc91c92_cs",
2109 },
Dominik Brodowski15b99ac2006-03-31 17:26:06 +02002110 .probe = smc91c92_probe,
Dominik Brodowskicc3b4862005-11-14 21:23:14 +01002111 .remove = smc91c92_detach,
Dominik Brodowski5c672222005-06-27 16:28:27 -07002112 .id_table = smc91c92_ids,
Dominik Brodowski98e4c282005-11-14 21:21:18 +01002113 .suspend = smc91c92_suspend,
2114 .resume = smc91c92_resume,
Linus Torvalds1da177e2005-04-16 15:20:36 -07002115};
2116
2117static int __init init_smc91c92_cs(void)
2118{
2119 return pcmcia_register_driver(&smc91c92_cs_driver);
2120}
2121
2122static void __exit exit_smc91c92_cs(void)
2123{
2124 pcmcia_unregister_driver(&smc91c92_cs_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002125}
2126
2127module_init(init_smc91c92_cs);
2128module_exit(exit_smc91c92_cs);