Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * bt878.c: part of the driver for the Pinnacle PCTV Sat DVB PCI card | |
3 | * | |
a8d995c9 | 4 | * Copyright (C) 2002 Peter Hettkamp <peter.hettkamp@htp-tel.de> |
1da177e4 LT |
5 | * |
6 | * large parts based on the bttv driver | |
50b215a0 JS |
7 | * Copyright (C) 1996,97,98 Ralph Metzler (rjkm@metzlerbros.de) |
8 | * & Marcus Metzler (mocm@metzlerbros.de) | |
1da177e4 LT |
9 | * (c) 1999,2000 Gerd Knorr <kraxel@goldbach.in-berlin.de> |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU General Public License | |
13 | * as published by the Free Software Foundation; either version 2 | |
14 | * of the License, or (at your option) any later version. | |
43f1a8f8 | 15 | * |
1da177e4 LT |
16 | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
43f1a8f8 | 21 | * |
1da177e4 LT |
22 | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
26 | * Or, point your browser to http://www.gnu.org/copyleft/gpl.html | |
43f1a8f8 | 27 | * |
1da177e4 LT |
28 | */ |
29 | ||
30 | #include <linux/module.h> | |
31 | #include <linux/moduleparam.h> | |
32 | #include <linux/kernel.h> | |
33 | #include <linux/pci.h> | |
34 | #include <asm/io.h> | |
35 | #include <linux/ioport.h> | |
36 | #include <asm/pgtable.h> | |
37 | #include <asm/page.h> | |
38 | #include <linux/types.h> | |
39 | #include <linux/interrupt.h> | |
40 | #include <linux/kmod.h> | |
41 | #include <linux/vmalloc.h> | |
42 | #include <linux/init.h> | |
43 | ||
44 | #include "dmxdev.h" | |
45 | #include "dvbdev.h" | |
46 | #include "bt878.h" | |
47 | #include "dst_priv.h" | |
48 | ||
49 | ||
50 | /**************************************/ | |
51 | /* Miscellaneous utility definitions */ | |
52 | /**************************************/ | |
53 | ||
54 | static unsigned int bt878_verbose = 1; | |
55 | static unsigned int bt878_debug; | |
56 | ||
57 | module_param_named(verbose, bt878_verbose, int, 0444); | |
58 | MODULE_PARM_DESC(verbose, | |
59 | "verbose startup messages, default is 1 (yes)"); | |
60 | module_param_named(debug, bt878_debug, int, 0644); | |
43f1a8f8 | 61 | MODULE_PARM_DESC(debug, "Turn on/off debugging, default is 0 (off)."); |
1da177e4 LT |
62 | |
63 | int bt878_num; | |
64 | struct bt878 bt878[BT878_MAX]; | |
65 | ||
1da177e4 LT |
66 | EXPORT_SYMBOL(bt878_num); |
67 | EXPORT_SYMBOL(bt878); | |
68 | ||
69 | #define btwrite(dat,adr) bmtwrite((dat), (bt->bt878_mem+(adr))) | |
70 | #define btread(adr) bmtread(bt->bt878_mem+(adr)) | |
71 | ||
72 | #define btand(dat,adr) btwrite((dat) & btread(adr), adr) | |
73 | #define btor(dat,adr) btwrite((dat) | btread(adr), adr) | |
74 | #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr) | |
75 | ||
76 | #if defined(dprintk) | |
77 | #undef dprintk | |
78 | #endif | |
79 | #define dprintk if(bt878_debug) printk | |
80 | ||
81 | static void bt878_mem_free(struct bt878 *bt) | |
82 | { | |
83 | if (bt->buf_cpu) { | |
84 | pci_free_consistent(bt->dev, bt->buf_size, bt->buf_cpu, | |
85 | bt->buf_dma); | |
86 | bt->buf_cpu = NULL; | |
87 | } | |
88 | ||
89 | if (bt->risc_cpu) { | |
90 | pci_free_consistent(bt->dev, bt->risc_size, bt->risc_cpu, | |
91 | bt->risc_dma); | |
92 | bt->risc_cpu = NULL; | |
93 | } | |
94 | } | |
95 | ||
96 | static int bt878_mem_alloc(struct bt878 *bt) | |
97 | { | |
98 | if (!bt->buf_cpu) { | |
99 | bt->buf_size = 128 * 1024; | |
100 | ||
101 | bt->buf_cpu = | |
102 | pci_alloc_consistent(bt->dev, bt->buf_size, | |
103 | &bt->buf_dma); | |
104 | ||
105 | if (!bt->buf_cpu) | |
106 | return -ENOMEM; | |
107 | ||
108 | memset(bt->buf_cpu, 0, bt->buf_size); | |
109 | } | |
110 | ||
111 | if (!bt->risc_cpu) { | |
112 | bt->risc_size = PAGE_SIZE; | |
113 | bt->risc_cpu = | |
114 | pci_alloc_consistent(bt->dev, bt->risc_size, | |
115 | &bt->risc_dma); | |
116 | ||
117 | if (!bt->risc_cpu) { | |
118 | bt878_mem_free(bt); | |
119 | return -ENOMEM; | |
120 | } | |
121 | ||
122 | memset(bt->risc_cpu, 0, bt->risc_size); | |
123 | } | |
124 | ||
125 | return 0; | |
126 | } | |
127 | ||
128 | /* RISC instructions */ | |
43f1a8f8 JS |
129 | #define RISC_WRITE (0x01 << 28) |
130 | #define RISC_JUMP (0x07 << 28) | |
131 | #define RISC_SYNC (0x08 << 28) | |
1da177e4 LT |
132 | |
133 | /* RISC bits */ | |
43f1a8f8 JS |
134 | #define RISC_WR_SOL (1 << 27) |
135 | #define RISC_WR_EOL (1 << 26) | |
136 | #define RISC_IRQ (1 << 24) | |
1da177e4 | 137 | #define RISC_STATUS(status) ((((~status) & 0x0F) << 20) | ((status & 0x0F) << 16)) |
43f1a8f8 JS |
138 | #define RISC_SYNC_RESYNC (1 << 15) |
139 | #define RISC_SYNC_FM1 0x06 | |
140 | #define RISC_SYNC_VRO 0x0C | |
1da177e4 LT |
141 | |
142 | #define RISC_FLUSH() bt->risc_pos = 0 | |
43f1a8f8 | 143 | #define RISC_INSTR(instr) bt->risc_cpu[bt->risc_pos++] = cpu_to_le32(instr) |
1da177e4 LT |
144 | |
145 | static int bt878_make_risc(struct bt878 *bt) | |
146 | { | |
147 | bt->block_bytes = bt->buf_size >> 4; | |
148 | bt->block_count = 1 << 4; | |
149 | bt->line_bytes = bt->block_bytes; | |
150 | bt->line_count = bt->block_count; | |
151 | ||
152 | while (bt->line_bytes > 4095) { | |
153 | bt->line_bytes >>= 1; | |
154 | bt->line_count <<= 1; | |
155 | } | |
156 | ||
157 | if (bt->line_count > 255) { | |
158 | printk("bt878: buffer size error!\n"); | |
159 | return -EINVAL; | |
160 | } | |
161 | return 0; | |
162 | } | |
163 | ||
164 | ||
165 | static void bt878_risc_program(struct bt878 *bt, u32 op_sync_orin) | |
166 | { | |
167 | u32 buf_pos = 0; | |
168 | u32 line; | |
169 | ||
170 | RISC_FLUSH(); | |
171 | RISC_INSTR(RISC_SYNC | RISC_SYNC_FM1 | op_sync_orin); | |
172 | RISC_INSTR(0); | |
173 | ||
43f1a8f8 | 174 | dprintk("bt878: risc len lines %u, bytes per line %u\n", |
1da177e4 LT |
175 | bt->line_count, bt->line_bytes); |
176 | for (line = 0; line < bt->line_count; line++) { | |
177 | // At the beginning of every block we issue an IRQ with previous (finished) block number set | |
178 | if (!(buf_pos % bt->block_bytes)) | |
179 | RISC_INSTR(RISC_WRITE | RISC_WR_SOL | RISC_WR_EOL | | |
180 | RISC_IRQ | | |
181 | RISC_STATUS(((buf_pos / | |
182 | bt->block_bytes) + | |
183 | (bt->block_count - | |
184 | 1)) % | |
185 | bt->block_count) | bt-> | |
186 | line_bytes); | |
187 | else | |
188 | RISC_INSTR(RISC_WRITE | RISC_WR_SOL | RISC_WR_EOL | | |
189 | bt->line_bytes); | |
190 | RISC_INSTR(bt->buf_dma + buf_pos); | |
191 | buf_pos += bt->line_bytes; | |
192 | } | |
193 | ||
194 | RISC_INSTR(RISC_SYNC | op_sync_orin | RISC_SYNC_VRO); | |
195 | RISC_INSTR(0); | |
196 | ||
197 | RISC_INSTR(RISC_JUMP); | |
198 | RISC_INSTR(bt->risc_dma); | |
199 | ||
200 | btwrite((bt->line_count << 16) | bt->line_bytes, BT878_APACK_LEN); | |
201 | } | |
202 | ||
203 | /*****************************/ | |
204 | /* Start/Stop grabbing funcs */ | |
205 | /*****************************/ | |
206 | ||
207 | void bt878_start(struct bt878 *bt, u32 controlreg, u32 op_sync_orin, | |
208 | u32 irq_err_ignore) | |
209 | { | |
210 | u32 int_mask; | |
211 | ||
212 | dprintk("bt878 debug: bt878_start (ctl=%8.8x)\n", controlreg); | |
213 | /* complete the writing of the risc dma program now we have | |
214 | * the card specifics | |
215 | */ | |
216 | bt878_risc_program(bt, op_sync_orin); | |
217 | controlreg &= ~0x1f; | |
218 | controlreg |= 0x1b; | |
219 | ||
466d725a | 220 | btwrite(bt->risc_dma, BT878_ARISC_START); |
1da177e4 LT |
221 | |
222 | /* original int mask had : | |
223 | * 6 2 8 4 0 | |
224 | * 1111 1111 1000 0000 0000 | |
225 | * SCERR|OCERR|PABORT|RIPERR|FDSR|FTRGT|FBUS|RISCI | |
226 | * Hacked for DST to: | |
227 | * SCERR | OCERR | FDSR | FTRGT | FBUS | RISCI | |
228 | */ | |
43f1a8f8 JS |
229 | int_mask = BT878_ASCERR | BT878_AOCERR | BT878_APABORT | |
230 | BT878_ARIPERR | BT878_APPERR | BT878_AFDSR | BT878_AFTRGT | | |
1da177e4 LT |
231 | BT878_AFBUS | BT878_ARISCI; |
232 | ||
233 | ||
234 | /* ignore pesky bits */ | |
235 | int_mask &= ~irq_err_ignore; | |
43f1a8f8 | 236 | |
1da177e4 LT |
237 | btwrite(int_mask, BT878_AINT_MASK); |
238 | btwrite(controlreg, BT878_AGPIO_DMA_CTL); | |
239 | } | |
240 | ||
241 | void bt878_stop(struct bt878 *bt) | |
242 | { | |
243 | u32 stat; | |
244 | int i = 0; | |
245 | ||
246 | dprintk("bt878 debug: bt878_stop\n"); | |
247 | ||
248 | btwrite(0, BT878_AINT_MASK); | |
249 | btand(~0x13, BT878_AGPIO_DMA_CTL); | |
250 | ||
251 | do { | |
252 | stat = btread(BT878_AINT_STAT); | |
253 | if (!(stat & BT878_ARISC_EN)) | |
254 | break; | |
255 | i++; | |
256 | } while (i < 500); | |
257 | ||
258 | dprintk("bt878(%d) debug: bt878_stop, i=%d, stat=0x%8.8x\n", | |
259 | bt->nr, i, stat); | |
260 | } | |
261 | ||
262 | EXPORT_SYMBOL(bt878_start); | |
263 | EXPORT_SYMBOL(bt878_stop); | |
264 | ||
265 | /*****************************/ | |
266 | /* Interrupt service routine */ | |
267 | /*****************************/ | |
268 | ||
7d12e780 | 269 | static irqreturn_t bt878_irq(int irq, void *dev_id) |
1da177e4 LT |
270 | { |
271 | u32 stat, astat, mask; | |
272 | int count; | |
273 | struct bt878 *bt; | |
274 | ||
275 | bt = (struct bt878 *) dev_id; | |
276 | ||
277 | count = 0; | |
278 | while (1) { | |
279 | stat = btread(BT878_AINT_STAT); | |
280 | mask = btread(BT878_AINT_MASK); | |
281 | if (!(astat = (stat & mask))) | |
282 | return IRQ_NONE; /* this interrupt is not for me */ | |
283 | /* dprintk("bt878(%d) debug: irq count %d, stat 0x%8.8x, mask 0x%8.8x\n",bt->nr,count,stat,mask); */ | |
284 | btwrite(astat, BT878_AINT_STAT); /* try to clear interupt condition */ | |
285 | ||
286 | ||
287 | if (astat & (BT878_ASCERR | BT878_AOCERR)) { | |
288 | if (bt878_verbose) { | |
289 | printk("bt878(%d): irq%s%s risc_pc=%08x\n", | |
290 | bt->nr, | |
291 | (astat & BT878_ASCERR) ? " SCERR" : | |
292 | "", | |
293 | (astat & BT878_AOCERR) ? " OCERR" : | |
294 | "", btread(BT878_ARISC_PC)); | |
295 | } | |
296 | } | |
297 | if (astat & (BT878_APABORT | BT878_ARIPERR | BT878_APPERR)) { | |
298 | if (bt878_verbose) { | |
299 | printk | |
300 | ("bt878(%d): irq%s%s%s risc_pc=%08x\n", | |
301 | bt->nr, | |
302 | (astat & BT878_APABORT) ? " PABORT" : | |
303 | "", | |
304 | (astat & BT878_ARIPERR) ? " RIPERR" : | |
305 | "", | |
306 | (astat & BT878_APPERR) ? " PPERR" : | |
307 | "", btread(BT878_ARISC_PC)); | |
308 | } | |
309 | } | |
310 | if (astat & (BT878_AFDSR | BT878_AFTRGT | BT878_AFBUS)) { | |
311 | if (bt878_verbose) { | |
312 | printk | |
313 | ("bt878(%d): irq%s%s%s risc_pc=%08x\n", | |
314 | bt->nr, | |
315 | (astat & BT878_AFDSR) ? " FDSR" : "", | |
316 | (astat & BT878_AFTRGT) ? " FTRGT" : | |
317 | "", | |
318 | (astat & BT878_AFBUS) ? " FBUS" : "", | |
319 | btread(BT878_ARISC_PC)); | |
320 | } | |
321 | } | |
322 | if (astat & BT878_ARISCI) { | |
323 | bt->finished_block = (stat & BT878_ARISCS) >> 28; | |
324 | tasklet_schedule(&bt->tasklet); | |
325 | break; | |
326 | } | |
327 | count++; | |
328 | if (count > 20) { | |
329 | btwrite(0, BT878_AINT_MASK); | |
330 | printk(KERN_ERR | |
331 | "bt878(%d): IRQ lockup, cleared int mask\n", | |
332 | bt->nr); | |
333 | break; | |
334 | } | |
335 | } | |
336 | return IRQ_HANDLED; | |
337 | } | |
338 | ||
339 | int | |
340 | bt878_device_control(struct bt878 *bt, unsigned int cmd, union dst_gpio_packet *mp) | |
341 | { | |
342 | int retval; | |
343 | ||
344 | retval = 0; | |
3593cab5 | 345 | if (mutex_lock_interruptible(&bt->gpio_lock)) |
1da177e4 LT |
346 | return -ERESTARTSYS; |
347 | /* special gpio signal */ | |
348 | switch (cmd) { | |
349 | case DST_IG_ENABLE: | |
350 | // dprintk("dvb_bt8xx: dst enable mask 0x%02x enb 0x%02x \n", mp->dstg.enb.mask, mp->dstg.enb.enable); | |
351 | retval = bttv_gpio_enable(bt->bttv_nr, | |
352 | mp->enb.mask, | |
353 | mp->enb.enable); | |
354 | break; | |
355 | case DST_IG_WRITE: | |
356 | // dprintk("dvb_bt8xx: dst write gpio mask 0x%02x out 0x%02x\n", mp->dstg.outp.mask, mp->dstg.outp.highvals); | |
357 | retval = bttv_write_gpio(bt->bttv_nr, | |
358 | mp->outp.mask, | |
359 | mp->outp.highvals); | |
360 | ||
361 | break; | |
362 | case DST_IG_READ: | |
363 | /* read */ | |
364 | retval = bttv_read_gpio(bt->bttv_nr, &mp->rd.value); | |
365 | // dprintk("dvb_bt8xx: dst read gpio 0x%02x\n", (unsigned)mp->dstg.rd.value); | |
366 | break; | |
367 | case DST_IG_TS: | |
368 | /* Set packet size */ | |
369 | bt->TS_Size = mp->psize; | |
370 | break; | |
371 | ||
372 | default: | |
373 | retval = -EINVAL; | |
374 | break; | |
375 | } | |
3593cab5 | 376 | mutex_unlock(&bt->gpio_lock); |
1da177e4 LT |
377 | return retval; |
378 | } | |
379 | ||
380 | EXPORT_SYMBOL(bt878_device_control); | |
381 | ||
6a5b28f9 | 382 | |
36b36562 | 383 | static struct cards card_list[] __devinitdata = { |
6a5b28f9 MA |
384 | |
385 | { 0x01010071, BTTV_BOARD_NEBULA_DIGITV, "Nebula Electronics DigiTV" }, | |
386 | { 0x07611461, BTTV_BOARD_AVDVBT_761, "AverMedia AverTV DVB-T 761" }, | |
387 | { 0x001c11bd, BTTV_BOARD_PINNACLESAT, "Pinnacle PCTV Sat" }, | |
388 | { 0x002611bd, BTTV_BOARD_TWINHAN_DST, "Pinnacle PCTV SAT CI" }, | |
389 | { 0x00011822, BTTV_BOARD_TWINHAN_DST, "Twinhan VisionPlus DVB" }, | |
390 | { 0xfc00270f, BTTV_BOARD_TWINHAN_DST, "ChainTech digitop DST-1000 DVB-S" }, | |
391 | { 0x07711461, BTTV_BOARD_AVDVBT_771, "AVermedia AverTV DVB-T 771" }, | |
392 | { 0xdb1018ac, BTTV_BOARD_DVICO_DVBT_LITE, "DViCO FusionHDTV DVB-T Lite" }, | |
393 | { 0xd50018ac, BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE, "DViCO FusionHDTV 5 Lite" }, | |
442d15d5 CH |
394 | { 0x20007063, BTTV_BOARD_PC_HDTV, "pcHDTV HD-2000 TV" }, |
395 | { 0x00261822, BTTV_BOARD_TWINHAN_DST, "DNTV Live! Mini" }, | |
396 | ||
6a5b28f9 MA |
397 | { 0, -1, NULL } |
398 | }; | |
399 | ||
400 | ||
1da177e4 LT |
401 | /***********************/ |
402 | /* PCI device handling */ | |
403 | /***********************/ | |
404 | ||
405 | static int __devinit bt878_probe(struct pci_dev *dev, | |
406 | const struct pci_device_id *pci_id) | |
407 | { | |
6a5b28f9 | 408 | int result = 0, has_dvb = 0, i; |
1da177e4 LT |
409 | unsigned char lat; |
410 | struct bt878 *bt; | |
411 | #if defined(__powerpc__) | |
412 | unsigned int cmd; | |
413 | #endif | |
6a5b28f9 MA |
414 | unsigned int cardid; |
415 | unsigned short id; | |
416 | struct cards *dvb_cards; | |
1da177e4 LT |
417 | |
418 | printk(KERN_INFO "bt878: Bt878 AUDIO function found (%d).\n", | |
419 | bt878_num); | |
77e0be12 SAH |
420 | if (bt878_num >= BT878_MAX) { |
421 | printk(KERN_ERR "bt878: Too many devices inserted\n"); | |
422 | result = -ENOMEM; | |
423 | goto fail0; | |
424 | } | |
1da177e4 LT |
425 | if (pci_enable_device(dev)) |
426 | return -EIO; | |
427 | ||
6a5b28f9 MA |
428 | pci_read_config_word(dev, PCI_SUBSYSTEM_ID, &id); |
429 | cardid = id << 16; | |
430 | pci_read_config_word(dev, PCI_SUBSYSTEM_VENDOR_ID, &id); | |
431 | cardid |= id; | |
432 | ||
433 | for (i = 0, dvb_cards = card_list; i < ARRAY_SIZE(card_list); i++, dvb_cards++) { | |
434 | if (cardid == dvb_cards->pci_id) { | |
435 | printk("%s: card id=[0x%x],[ %s ] has DVB functions.\n", | |
436 | __func__, cardid, dvb_cards->name); | |
437 | has_dvb = 1; | |
438 | } | |
439 | } | |
440 | ||
441 | if (!has_dvb) { | |
442 | printk("%s: card id=[0x%x], Unknown card.\nExiting..\n", __func__, cardid); | |
443 | result = -EINVAL; | |
444 | ||
445 | goto fail0; | |
446 | } | |
447 | ||
1da177e4 LT |
448 | bt = &bt878[bt878_num]; |
449 | bt->dev = dev; | |
450 | bt->nr = bt878_num; | |
451 | bt->shutdown = 0; | |
452 | ||
453 | bt->id = dev->device; | |
454 | bt->irq = dev->irq; | |
455 | bt->bt878_adr = pci_resource_start(dev, 0); | |
456 | if (!request_mem_region(pci_resource_start(dev, 0), | |
457 | pci_resource_len(dev, 0), "bt878")) { | |
458 | result = -EBUSY; | |
459 | goto fail0; | |
460 | } | |
461 | ||
462 | pci_read_config_byte(dev, PCI_CLASS_REVISION, &bt->revision); | |
463 | pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat); | |
6a5b28f9 MA |
464 | |
465 | ||
1da177e4 LT |
466 | printk(KERN_INFO "bt878(%d): Bt%x (rev %d) at %02x:%02x.%x, ", |
467 | bt878_num, bt->id, bt->revision, dev->bus->number, | |
468 | PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); | |
469 | printk("irq: %d, latency: %d, memory: 0x%lx\n", | |
470 | bt->irq, lat, bt->bt878_adr); | |
471 | ||
472 | ||
473 | #if defined(__powerpc__) | |
474 | /* on OpenFirmware machines (PowerMac at least), PCI memory cycle */ | |
475 | /* response on cards with no firmware is not enabled by OF */ | |
476 | pci_read_config_dword(dev, PCI_COMMAND, &cmd); | |
477 | cmd = (cmd | PCI_COMMAND_MEMORY); | |
478 | pci_write_config_dword(dev, PCI_COMMAND, cmd); | |
479 | #endif | |
480 | ||
481 | #ifdef __sparc__ | |
482 | bt->bt878_mem = (unsigned char *) bt->bt878_adr; | |
483 | #else | |
484 | bt->bt878_mem = ioremap(bt->bt878_adr, 0x1000); | |
485 | #endif | |
486 | ||
487 | /* clear interrupt mask */ | |
488 | btwrite(0, BT848_INT_MASK); | |
489 | ||
490 | result = request_irq(bt->irq, bt878_irq, | |
8076fe32 | 491 | IRQF_SHARED | IRQF_DISABLED, "bt878", |
1da177e4 LT |
492 | (void *) bt); |
493 | if (result == -EINVAL) { | |
494 | printk(KERN_ERR "bt878(%d): Bad irq number or handler\n", | |
495 | bt878_num); | |
496 | goto fail1; | |
497 | } | |
498 | if (result == -EBUSY) { | |
499 | printk(KERN_ERR | |
500 | "bt878(%d): IRQ %d busy, change your PnP config in BIOS\n", | |
501 | bt878_num, bt->irq); | |
502 | goto fail1; | |
503 | } | |
504 | if (result < 0) | |
505 | goto fail1; | |
506 | ||
507 | pci_set_master(dev); | |
508 | pci_set_drvdata(dev, bt); | |
509 | ||
510 | /* if(init_bt878(btv) < 0) { | |
50b215a0 JS |
511 | bt878_remove(dev); |
512 | return -EIO; | |
513 | } | |
1da177e4 LT |
514 | */ |
515 | ||
516 | if ((result = bt878_mem_alloc(bt))) { | |
517 | printk("bt878: failed to allocate memory!\n"); | |
518 | goto fail2; | |
519 | } | |
520 | ||
521 | bt878_make_risc(bt); | |
522 | btwrite(0, BT878_AINT_MASK); | |
523 | bt878_num++; | |
524 | ||
525 | return 0; | |
526 | ||
527 | fail2: | |
528 | free_irq(bt->irq, bt); | |
529 | fail1: | |
530 | release_mem_region(pci_resource_start(bt->dev, 0), | |
531 | pci_resource_len(bt->dev, 0)); | |
532 | fail0: | |
533 | pci_disable_device(dev); | |
534 | return result; | |
535 | } | |
536 | ||
537 | static void __devexit bt878_remove(struct pci_dev *pci_dev) | |
538 | { | |
539 | u8 command; | |
540 | struct bt878 *bt = pci_get_drvdata(pci_dev); | |
541 | ||
542 | if (bt878_verbose) | |
543 | printk("bt878(%d): unloading\n", bt->nr); | |
544 | ||
545 | /* turn off all capturing, DMA and IRQs */ | |
546 | btand(~0x13, BT878_AGPIO_DMA_CTL); | |
547 | ||
548 | /* first disable interrupts before unmapping the memory! */ | |
549 | btwrite(0, BT878_AINT_MASK); | |
550 | btwrite(~0U, BT878_AINT_STAT); | |
551 | ||
552 | /* disable PCI bus-mastering */ | |
553 | pci_read_config_byte(bt->dev, PCI_COMMAND, &command); | |
554 | /* Should this be &=~ ?? */ | |
555 | command &= ~PCI_COMMAND_MASTER; | |
556 | pci_write_config_byte(bt->dev, PCI_COMMAND, command); | |
557 | ||
558 | free_irq(bt->irq, bt); | |
559 | printk(KERN_DEBUG "bt878_mem: 0x%p.\n", bt->bt878_mem); | |
560 | if (bt->bt878_mem) | |
561 | iounmap(bt->bt878_mem); | |
562 | ||
563 | release_mem_region(pci_resource_start(bt->dev, 0), | |
564 | pci_resource_len(bt->dev, 0)); | |
565 | /* wake up any waiting processes | |
566 | because shutdown flag is set, no new processes (in this queue) | |
567 | are expected | |
568 | */ | |
569 | bt->shutdown = 1; | |
570 | bt878_mem_free(bt); | |
571 | ||
572 | pci_set_drvdata(pci_dev, NULL); | |
573 | pci_disable_device(pci_dev); | |
574 | return; | |
575 | } | |
576 | ||
577 | static struct pci_device_id bt878_pci_tbl[] __devinitdata = { | |
578 | {PCI_VENDOR_ID_BROOKTREE, PCI_DEVICE_ID_BROOKTREE_878, | |
579 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, | |
580 | {0,} | |
581 | }; | |
582 | ||
583 | MODULE_DEVICE_TABLE(pci, bt878_pci_tbl); | |
584 | ||
585 | static struct pci_driver bt878_pci_driver = { | |
50b215a0 | 586 | .name = "bt878", |
1da177e4 | 587 | .id_table = bt878_pci_tbl, |
50b215a0 JS |
588 | .probe = bt878_probe, |
589 | .remove = bt878_remove, | |
1da177e4 LT |
590 | }; |
591 | ||
a5ed425c | 592 | static int bt878_pci_driver_registered; |
1da177e4 LT |
593 | |
594 | /*******************************/ | |
595 | /* Module management functions */ | |
596 | /*******************************/ | |
597 | ||
598 | static int bt878_init_module(void) | |
599 | { | |
600 | bt878_num = 0; | |
601 | bt878_pci_driver_registered = 0; | |
602 | ||
603 | printk(KERN_INFO "bt878: AUDIO driver version %d.%d.%d loaded\n", | |
604 | (BT878_VERSION_CODE >> 16) & 0xff, | |
605 | (BT878_VERSION_CODE >> 8) & 0xff, | |
606 | BT878_VERSION_CODE & 0xff); | |
607 | /* | |
50b215a0 | 608 | bt878_check_chipset(); |
1da177e4 LT |
609 | */ |
610 | /* later we register inside of bt878_find_audio_dma() | |
611 | * because we may want to ignore certain cards */ | |
612 | bt878_pci_driver_registered = 1; | |
613 | return pci_register_driver(&bt878_pci_driver); | |
614 | } | |
615 | ||
616 | static void bt878_cleanup_module(void) | |
617 | { | |
618 | if (bt878_pci_driver_registered) { | |
619 | bt878_pci_driver_registered = 0; | |
620 | pci_unregister_driver(&bt878_pci_driver); | |
621 | } | |
622 | return; | |
623 | } | |
624 | ||
625 | module_init(bt878_init_module); | |
626 | module_exit(bt878_cleanup_module); | |
627 | ||
628 | //MODULE_AUTHOR("XXX"); | |
629 | MODULE_LICENSE("GPL"); | |
630 | ||
631 | /* | |
632 | * Local variables: | |
633 | * c-basic-offset: 8 | |
634 | * End: | |
635 | */ |