1/* $Id: hfcscard.c,v 1.1.1.1 2007/08/03 18:52:35 Exp $
2 *
3 * low level stuff for hfcs based cards (Teles3c, ACER P10)
4 *
5 * Author       Karsten Keil
6 * Copyright    by Karsten Keil      <keil@isdn4linux.de>
7 *
8 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
10 *
11 */
12
13#include <linux/init.h>
14#include <linux/isapnp.h>
15#include "hisax.h"
16#include "hfc_2bds0.h"
17#include "isdnl1.h"
18
19extern const char *CardType[];
20
21static const char *hfcs_revision = "$Revision: 1.1.1.1 $";
22
23static irqreturn_t
24hfcs_interrupt(int intno, void *dev_id)
25{
26	struct IsdnCardState *cs = dev_id;
27	u_char val, stat;
28	u_long flags;
29
30	spin_lock_irqsave(&cs->lock, flags);
31	if ((HFCD_ANYINT | HFCD_BUSY_NBUSY) &
32		(stat = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_STAT))) {
33		val = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_INT_S1);
34		if (cs->debug & L1_DEB_ISAC)
35			debugl1(cs, "HFCS: stat(%02x) s1(%02x)", stat, val);
36		hfc2bds0_interrupt(cs, val);
37	} else {
38		if (cs->debug & L1_DEB_ISAC)
39			debugl1(cs, "HFCS: irq_no_irq stat(%02x)", stat);
40	}
41	spin_unlock_irqrestore(&cs->lock, flags);
42	return IRQ_HANDLED;
43}
44
45static void
46hfcs_Timer(struct IsdnCardState *cs)
47{
48	cs->hw.hfcD.timer.expires = jiffies + 75;
49	/* WD RESET */
50/*	WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80);
51	add_timer(&cs->hw.hfcD.timer);
52*/
53}
54
55static void
56release_io_hfcs(struct IsdnCardState *cs)
57{
58	release2bds0(cs);
59	del_timer(&cs->hw.hfcD.timer);
60	if (cs->hw.hfcD.addr)
61		release_region(cs->hw.hfcD.addr, 2);
62}
63
64static void
65reset_hfcs(struct IsdnCardState *cs)
66{
67	printk(KERN_INFO "HFCS: resetting card\n");
68	cs->hw.hfcD.cirm = HFCD_RESET;
69	if (cs->typ == ISDN_CTYPE_TELES3C)
70		cs->hw.hfcD.cirm |= HFCD_MEM8K;
71	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);	/* Reset On */
72	mdelay(10);
73	cs->hw.hfcD.cirm = 0;
74	if (cs->typ == ISDN_CTYPE_TELES3C)
75		cs->hw.hfcD.cirm |= HFCD_MEM8K;
76	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);	/* Reset Off */
77	mdelay(10);
78	if (cs->typ == ISDN_CTYPE_TELES3C)
79		cs->hw.hfcD.cirm |= HFCD_INTB;
80	else if (cs->typ == ISDN_CTYPE_ACERP10)
81		cs->hw.hfcD.cirm |= HFCD_INTA;
82	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);
83	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e);
84	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */
85	cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER;
86	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
87	cs->hw.hfcD.int_m2 = HFCD_IRQ_ENABLE;
88	cs->hw.hfcD.int_m1 = HFCD_INTS_B1TRANS | HFCD_INTS_B2TRANS |
89		HFCD_INTS_DTRANS | HFCD_INTS_B1REC | HFCD_INTS_B2REC |
90		HFCD_INTS_DREC | HFCD_INTS_L1STATE;
91	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1);
92	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2);
93	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */
94	udelay(10);
95	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */
96	cs->hw.hfcD.mst_m = HFCD_MASTER;
97	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m); /* HFC Master */
98	cs->hw.hfcD.sctrl = 0;
99	cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
100}
101
102static int
103hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
104{
105	u_long flags;
106	int delay;
107
108	if (cs->debug & L1_DEB_ISAC)
109		debugl1(cs, "HFCS: card_msg %x", mt);
110	switch (mt) {
111		case CARD_RESET:
112			spin_lock_irqsave(&cs->lock, flags);
113			reset_hfcs(cs);
114			spin_unlock_irqrestore(&cs->lock, flags);
115			return(0);
116		case CARD_RELEASE:
117			release_io_hfcs(cs);
118			return(0);
119		case CARD_INIT:
120			delay = (75*HZ)/100 +1;
121			cs->hw.hfcD.timer.expires = jiffies + delay;
122			add_timer(&cs->hw.hfcD.timer);
123			spin_lock_irqsave(&cs->lock, flags);
124			reset_hfcs(cs);
125			init2bds0(cs);
126			spin_unlock_irqrestore(&cs->lock, flags);
127			delay = (80*HZ)/1000 +1;
128			msleep(80);
129			spin_lock_irqsave(&cs->lock, flags);
130			cs->hw.hfcD.ctmt |= HFCD_TIM800;
131			cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
132			cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
133			spin_unlock_irqrestore(&cs->lock, flags);
134			return(0);
135		case CARD_TEST:
136			return(0);
137	}
138	return(0);
139}
140
141#ifdef __ISAPNP__
142static struct isapnp_device_id hfc_ids[] __devinitdata = {
143	{ ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
144	  ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
145	  (unsigned long) "Acer P10" },
146	{ ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
147	  ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
148	  (unsigned long) "Billion 2" },
149	{ ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
150	  ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
151	  (unsigned long) "Billion 1" },
152	{ ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
153	  ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
154	  (unsigned long) "IStar PnP" },
155	{ ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
156	  ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
157	  (unsigned long) "Teles 16.3c" },
158	{ ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
159	  ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
160	  (unsigned long) "Tornado Tipa C" },
161	{ ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
162	  ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
163	  (unsigned long) "Genius Speed Surfer" },
164	{ 0, }
165};
166
167static struct isapnp_device_id *ipid __devinitdata = &hfc_ids[0];
168static struct pnp_card *pnp_c __devinitdata = NULL;
169#endif
170
171int __devinit
172setup_hfcs(struct IsdnCard *card)
173{
174	struct IsdnCardState *cs = card->cs;
175	char tmp[64];
176
177	strcpy(tmp, hfcs_revision);
178	printk(KERN_INFO "HiSax: HFC-S driver Rev. %s\n", HiSax_getrev(tmp));
179
180#ifdef __ISAPNP__
181	if (!card->para[1] && isapnp_present()) {
182		struct pnp_dev *pnp_d;
183		while(ipid->card_vendor) {
184			if ((pnp_c = pnp_find_card(ipid->card_vendor,
185				ipid->card_device, pnp_c))) {
186				pnp_d = NULL;
187				if ((pnp_d = pnp_find_dev(pnp_c,
188					ipid->vendor, ipid->function, pnp_d))) {
189					int err;
190
191					printk(KERN_INFO "HiSax: %s detected\n",
192						(char *)ipid->driver_data);
193					pnp_disable_dev(pnp_d);
194					err = pnp_activate_dev(pnp_d);
195					if (err<0) {
196						printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
197							__FUNCTION__, err);
198						return(0);
199					}
200					card->para[1] = pnp_port_start(pnp_d, 0);
201					card->para[0] = pnp_irq(pnp_d, 0);
202					if (!card->para[0] || !card->para[1]) {
203						printk(KERN_ERR "HFC PnP:some resources are missing %ld/%lx\n",
204							card->para[0], card->para[1]);
205						pnp_disable_dev(pnp_d);
206						return(0);
207					}
208					break;
209				} else {
210					printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
211				}
212			}
213			ipid++;
214			pnp_c = NULL;
215		}
216		if (!ipid->card_vendor) {
217			printk(KERN_INFO "HFC PnP: no ISAPnP card found\n");
218			return(0);
219		}
220	}
221#endif
222	cs->hw.hfcD.addr = card->para[1] & 0xfffe;
223	cs->irq = card->para[0];
224	cs->hw.hfcD.cip = 0;
225	cs->hw.hfcD.int_s1 = 0;
226	cs->hw.hfcD.send = NULL;
227	cs->bcs[0].hw.hfc.send = NULL;
228	cs->bcs[1].hw.hfc.send = NULL;
229	cs->hw.hfcD.dfifosize = 512;
230	cs->dc.hfcd.ph_state = 0;
231	cs->hw.hfcD.fifo = 255;
232	if (cs->typ == ISDN_CTYPE_TELES3C) {
233		cs->hw.hfcD.bfifosize = 1024 + 512;
234	} else if (cs->typ == ISDN_CTYPE_ACERP10) {
235		cs->hw.hfcD.bfifosize = 7*1024 + 512;
236	} else
237		return (0);
238	if (!request_region(cs->hw.hfcD.addr, 2, "HFCS isdn")) {
239		printk(KERN_WARNING
240		       "HiSax: %s config port %x-%x already in use\n",
241		       CardType[card->typ],
242		       cs->hw.hfcD.addr,
243		       cs->hw.hfcD.addr + 2);
244		return (0);
245	}
246	printk(KERN_INFO
247	       "HFCS: defined at 0x%x IRQ %d HZ %d\n",
248	       cs->hw.hfcD.addr,
249	       cs->irq, HZ);
250	if (cs->typ == ISDN_CTYPE_TELES3C) {
251		/* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */
252		outb(0x00, cs->hw.hfcD.addr);
253		outb(0x56, cs->hw.hfcD.addr | 1);
254	} else if (cs->typ == ISDN_CTYPE_ACERP10) {
255		/* Acer P10 IO ADR is 0x300 */
256		outb(0x00, cs->hw.hfcD.addr);
257		outb(0x57, cs->hw.hfcD.addr | 1);
258	}
259	set_cs_func(cs);
260	cs->hw.hfcD.timer.function = (void *) hfcs_Timer;
261	cs->hw.hfcD.timer.data = (long) cs;
262	init_timer(&cs->hw.hfcD.timer);
263	cs->cardmsg = &hfcs_card_msg;
264	cs->irq_func = &hfcs_interrupt;
265	return (1);
266}
267