Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * Support for the mpeg transport stream transfers | |
4 | * PCI function #2 of the cx2388x. | |
5 | * | |
6 | * (c) 2004 Jelle Foks <jelle@foks.8m.com> | |
7 | * (c) 2004 Chris Pascoe <c.pascoe@itee.uq.edu.au> | |
8 | * (c) 2004 Gerd Knorr <kraxel@bytesex.org> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/device.h> | |
c24228da | 29 | #include <linux/dma-mapping.h> |
1da177e4 | 30 | #include <linux/interrupt.h> |
45e95980 | 31 | #include <linux/dma-mapping.h> |
1da177e4 LT |
32 | #include <asm/delay.h> |
33 | ||
34 | #include "cx88.h" | |
35 | ||
36 | /* ------------------------------------------------------------------ */ | |
37 | ||
38 | MODULE_DESCRIPTION("mpeg driver for cx2388x based TV cards"); | |
39 | MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>"); | |
40 | MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>"); | |
41 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
42 | MODULE_LICENSE("GPL"); | |
43 | ||
44 | static unsigned int debug = 0; | |
45 | module_param(debug,int,0644); | |
46 | MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); | |
47 | ||
48 | #define dprintk(level,fmt, arg...) if (debug >= level) \ | |
6c5be74c | 49 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg) |
1da177e4 | 50 | |
6c5be74c ST |
51 | #define mpeg_dbg(level,fmt, arg...) if (debug >= level) \ |
52 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg) | |
53 | ||
77b74774 MR |
54 | #if defined(CONFIG_MODULES) && defined(MODULE) |
55 | static void request_module_async(struct work_struct *work) | |
56 | { | |
57 | struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk); | |
ced80c67 MR |
58 | |
59 | if (cx88_boards[dev->core->board].mpeg & CX88_MPEG_DVB) | |
77b74774 | 60 | request_module("cx88-dvb"); |
ced80c67 MR |
61 | if (cx88_boards[dev->core->board].mpeg & CX88_MPEG_BLACKBIRD) |
62 | request_module("cx88-blackbird"); | |
77b74774 MR |
63 | } |
64 | ||
65 | static void request_modules(struct cx8802_dev *dev) | |
66 | { | |
67 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
68 | schedule_work(&dev->request_module_wk); | |
69 | } | |
70 | #else | |
71 | #define request_modules(dev) | |
72 | #endif /* CONFIG_MODULES */ | |
73 | ||
74 | ||
6c5be74c | 75 | static LIST_HEAD(cx8802_devlist); |
1da177e4 LT |
76 | /* ------------------------------------------------------------------ */ |
77 | ||
78 | static int cx8802_start_dma(struct cx8802_dev *dev, | |
79 | struct cx88_dmaqueue *q, | |
80 | struct cx88_buffer *buf) | |
81 | { | |
82 | struct cx88_core *core = dev->core; | |
83 | ||
76d313bf | 84 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", dev->width, dev->height, buf->vb.field); |
1da177e4 LT |
85 | |
86 | /* setup fifo + format */ | |
87 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], | |
88 | dev->ts_packet_size, buf->risc.dma); | |
89 | ||
90 | /* write TS length to chip */ | |
91 | cx_write(MO_TS_LNGTH, buf->vb.width); | |
92 | ||
1da177e4 LT |
93 | /* FIXME: this needs a review. |
94 | * also: move to cx88-blackbird + cx88-dvb source files? */ | |
95 | ||
6c5be74c ST |
96 | dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id); |
97 | ||
98 | if ( (core->active_type_id == CX88_MPEG_DVB) && | |
99 | (cx88_boards[core->board].mpeg & CX88_MPEG_DVB) ) { | |
100 | ||
101 | dprintk( 1, "cx8802_start_dma doing .dvb\n"); | |
1da177e4 | 102 | /* negedge driven & software reset */ |
f1798495 | 103 | cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl); |
1da177e4 LT |
104 | udelay(100); |
105 | cx_write(MO_PINMUX_IO, 0x00); | |
0d723c09 | 106 | cx_write(TS_HW_SOP_CNTRL,0x47<<16|188<<4|0x01); |
e52e98a7 MCC |
107 | switch (core->board) { |
108 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q: | |
109 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T: | |
110 | case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: | |
da215d22 | 111 | case CX88_BOARD_PCHDTV_HD5500: |
41ef7c1e | 112 | cx_write(TS_SOP_STAT, 1<<13); |
e52e98a7 | 113 | break; |
0fa14aa6 ST |
114 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: |
115 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: | |
116 | cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */ | |
117 | udelay(100); | |
118 | break; | |
6c5be74c ST |
119 | case CX88_BOARD_HAUPPAUGE_HVR1300: |
120 | break; | |
e52e98a7 | 121 | default: |
41ef7c1e | 122 | cx_write(TS_SOP_STAT, 0x00); |
e52e98a7 | 123 | break; |
f1798495 | 124 | } |
1da177e4 LT |
125 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
126 | udelay(100); | |
6c5be74c ST |
127 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
128 | (cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD) ) { | |
129 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); | |
1da177e4 LT |
130 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
131 | ||
1da177e4 LT |
132 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
133 | udelay(100); | |
134 | ||
135 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ | |
1da177e4 LT |
136 | cx_write(TS_VALERR_CNTRL, 0x2000); |
137 | ||
138 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ | |
139 | udelay(100); | |
6c5be74c ST |
140 | } else { |
141 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __FUNCTION__, | |
142 | cx88_boards[core->board].mpeg ); | |
143 | return -EINVAL; | |
1da177e4 | 144 | } |
1da177e4 LT |
145 | |
146 | /* reset counter */ | |
147 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
148 | q->count = 1; | |
149 | ||
150 | /* enable irqs */ | |
76d313bf | 151 | dprintk( 1, "setting the interrupt mask\n" ); |
1da177e4 | 152 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x04); |
b45009b0 | 153 | cx_set(MO_TS_INTMSK, 0x1f0011); |
1da177e4 LT |
154 | |
155 | /* start dma */ | |
b45009b0 MCC |
156 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
157 | cx_set(MO_TS_DMACNTRL, 0x11); | |
1da177e4 LT |
158 | return 0; |
159 | } | |
160 | ||
161 | static int cx8802_stop_dma(struct cx8802_dev *dev) | |
162 | { | |
163 | struct cx88_core *core = dev->core; | |
76d313bf | 164 | dprintk( 1, "cx8802_stop_dma\n" ); |
1da177e4 LT |
165 | |
166 | /* stop dma */ | |
167 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
168 | ||
169 | /* disable irqs */ | |
170 | cx_clear(MO_PCI_INTMSK, 0x000004); | |
171 | cx_clear(MO_TS_INTMSK, 0x1f0011); | |
172 | ||
173 | /* Reset the controller */ | |
174 | cx_write(TS_GEN_CNTRL, 0xcd); | |
175 | return 0; | |
176 | } | |
177 | ||
178 | static int cx8802_restart_queue(struct cx8802_dev *dev, | |
179 | struct cx88_dmaqueue *q) | |
180 | { | |
181 | struct cx88_buffer *buf; | |
182 | struct list_head *item; | |
183 | ||
f14ac0bc | 184 | dprintk( 1, "cx8802_restart_queue\n" ); |
1da177e4 | 185 | if (list_empty(&q->active)) |
b45009b0 | 186 | { |
f14ac0bc JF |
187 | struct cx88_buffer *prev; |
188 | prev = NULL; | |
189 | ||
190 | dprintk(1, "cx8802_restart_queue: queue is empty\n" ); | |
191 | ||
192 | for (;;) { | |
193 | if (list_empty(&q->queued)) | |
194 | return 0; | |
195 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); | |
196 | if (NULL == prev) { | |
197 | list_del(&buf->vb.queue); | |
198 | list_add_tail(&buf->vb.queue,&q->active); | |
199 | cx8802_start_dma(dev, q, buf); | |
200 | buf->vb.state = STATE_ACTIVE; | |
201 | buf->count = q->count++; | |
202 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
203 | dprintk(1,"[%p/%d] restart_queue - first active\n", | |
204 | buf,buf->vb.i); | |
205 | ||
206 | } else if (prev->vb.width == buf->vb.width && | |
207 | prev->vb.height == buf->vb.height && | |
208 | prev->fmt == buf->fmt) { | |
209 | list_del(&buf->vb.queue); | |
210 | list_add_tail(&buf->vb.queue,&q->active); | |
211 | buf->vb.state = STATE_ACTIVE; | |
212 | buf->count = q->count++; | |
213 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
214 | dprintk(1,"[%p/%d] restart_queue - move to active\n", | |
215 | buf,buf->vb.i); | |
216 | } else { | |
217 | return 0; | |
218 | } | |
219 | prev = buf; | |
220 | } | |
1da177e4 | 221 | return 0; |
b45009b0 | 222 | } |
1da177e4 LT |
223 | |
224 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
225 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
226 | buf, buf->vb.i); | |
227 | cx8802_start_dma(dev, q, buf); | |
228 | list_for_each(item,&q->active) { | |
229 | buf = list_entry(item, struct cx88_buffer, vb.queue); | |
230 | buf->count = q->count++; | |
231 | } | |
232 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
233 | return 0; | |
234 | } | |
235 | ||
236 | /* ------------------------------------------------------------------ */ | |
237 | ||
c7b0ac05 MCC |
238 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
239 | struct cx88_buffer *buf, enum v4l2_field field) | |
1da177e4 LT |
240 | { |
241 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
242 | int rc; | |
243 | ||
244 | dprintk(1, "%s: %p\n", __FUNCTION__, buf); | |
245 | if (0 != buf->vb.baddr && buf->vb.bsize < size) | |
246 | return -EINVAL; | |
247 | ||
248 | if (STATE_NEEDS_INIT == buf->vb.state) { | |
249 | buf->vb.width = dev->ts_packet_size; | |
250 | buf->vb.height = dev->ts_packet_count; | |
251 | buf->vb.size = size; | |
31629424 | 252 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
1da177e4 | 253 | |
c7b0ac05 | 254 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
1da177e4 LT |
255 | goto fail; |
256 | cx88_risc_databuffer(dev->pci, &buf->risc, | |
257 | buf->vb.dma.sglist, | |
258 | buf->vb.width, buf->vb.height); | |
259 | } | |
260 | buf->vb.state = STATE_PREPARED; | |
261 | return 0; | |
262 | ||
263 | fail: | |
c7b0ac05 | 264 | cx88_free_buffer(q,buf); |
1da177e4 LT |
265 | return rc; |
266 | } | |
267 | ||
268 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
269 | { | |
270 | struct cx88_buffer *prev; | |
c7b0ac05 | 271 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
1da177e4 | 272 | |
b45009b0 | 273 | dprintk( 1, "cx8802_buf_queue\n" ); |
1da177e4 LT |
274 | /* add jump to stopper */ |
275 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
c7b0ac05 | 276 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
1da177e4 | 277 | |
c7b0ac05 | 278 | if (list_empty(&cx88q->active)) { |
76d313bf | 279 | dprintk( 1, "queue is empty - first active\n" ); |
c7b0ac05 MCC |
280 | list_add_tail(&buf->vb.queue,&cx88q->active); |
281 | cx8802_start_dma(dev, cx88q, buf); | |
1da177e4 | 282 | buf->vb.state = STATE_ACTIVE; |
c7b0ac05 MCC |
283 | buf->count = cx88q->count++; |
284 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); | |
76d313bf | 285 | dprintk(1,"[%p/%d] %s - first active\n", |
1da177e4 LT |
286 | buf, buf->vb.i, __FUNCTION__); |
287 | ||
288 | } else { | |
b45009b0 | 289 | dprintk( 1, "queue is not empty - append to active\n" ); |
c7b0ac05 MCC |
290 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
291 | list_add_tail(&buf->vb.queue,&cx88q->active); | |
1da177e4 | 292 | buf->vb.state = STATE_ACTIVE; |
c7b0ac05 | 293 | buf->count = cx88q->count++; |
1da177e4 | 294 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
b45009b0 | 295 | dprintk( 1, "[%p/%d] %s - append to active\n", |
1da177e4 LT |
296 | buf, buf->vb.i, __FUNCTION__); |
297 | } | |
298 | } | |
299 | ||
300 | /* ----------------------------------------------------------- */ | |
301 | ||
302 | static void do_cancel_buffers(struct cx8802_dev *dev, char *reason, int restart) | |
303 | { | |
304 | struct cx88_dmaqueue *q = &dev->mpegq; | |
305 | struct cx88_buffer *buf; | |
306 | unsigned long flags; | |
307 | ||
308 | spin_lock_irqsave(&dev->slock,flags); | |
309 | while (!list_empty(&q->active)) { | |
310 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
311 | list_del(&buf->vb.queue); | |
312 | buf->vb.state = STATE_ERROR; | |
313 | wake_up(&buf->vb.done); | |
314 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | |
315 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | |
316 | } | |
317 | if (restart) | |
b45009b0 | 318 | { |
76d313bf | 319 | dprintk(1, "restarting queue\n" ); |
1da177e4 | 320 | cx8802_restart_queue(dev,q); |
b45009b0 | 321 | } |
1da177e4 LT |
322 | spin_unlock_irqrestore(&dev->slock,flags); |
323 | } | |
324 | ||
325 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
326 | { | |
327 | struct cx88_dmaqueue *q = &dev->mpegq; | |
328 | ||
b45009b0 | 329 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 LT |
330 | del_timer_sync(&q->timeout); |
331 | cx8802_stop_dma(dev); | |
332 | do_cancel_buffers(dev,"cancel",0); | |
333 | } | |
334 | ||
335 | static void cx8802_timeout(unsigned long data) | |
336 | { | |
337 | struct cx8802_dev *dev = (struct cx8802_dev*)data; | |
338 | ||
7d816b25 | 339 | dprintk(1, "%s\n",__FUNCTION__); |
1da177e4 LT |
340 | |
341 | if (debug) | |
342 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
343 | cx8802_stop_dma(dev); | |
344 | do_cancel_buffers(dev,"timeout",1); | |
345 | } | |
346 | ||
41ef7c1e MCC |
347 | static char *cx88_mpeg_irqs[32] = { |
348 | "ts_risci1", NULL, NULL, NULL, | |
349 | "ts_risci2", NULL, NULL, NULL, | |
350 | "ts_oflow", NULL, NULL, NULL, | |
351 | "ts_sync", NULL, NULL, NULL, | |
352 | "opc_err", "par_err", "rip_err", "pci_abort", | |
353 | "ts_err?", | |
354 | }; | |
355 | ||
1da177e4 LT |
356 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
357 | { | |
358 | struct cx88_core *core = dev->core; | |
359 | u32 status, mask, count; | |
360 | ||
b45009b0 | 361 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
362 | status = cx_read(MO_TS_INTSTAT); |
363 | mask = cx_read(MO_TS_INTMSK); | |
364 | if (0 == (status & mask)) | |
365 | return; | |
366 | ||
367 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 368 | |
1da177e4 LT |
369 | if (debug || (status & mask & ~0xff)) |
370 | cx88_print_irqbits(core->name, "irq mpeg ", | |
66623a04 MCC |
371 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
372 | status, mask); | |
1da177e4 LT |
373 | |
374 | /* risc op code error */ | |
375 | if (status & (1 << 16)) { | |
376 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
377 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
378 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
379 | } | |
380 | ||
381 | /* risc1 y */ | |
382 | if (status & 0x01) { | |
b45009b0 | 383 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
384 | spin_lock(&dev->slock); |
385 | count = cx_read(MO_TS_GPCNT); | |
386 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
387 | spin_unlock(&dev->slock); | |
388 | } | |
389 | ||
390 | /* risc2 y */ | |
391 | if (status & 0x10) { | |
392 | spin_lock(&dev->slock); | |
393 | cx8802_restart_queue(dev,&dev->mpegq); | |
394 | spin_unlock(&dev->slock); | |
395 | } | |
396 | ||
4ac97914 MCC |
397 | /* other general errors */ |
398 | if (status & 0x1f0100) { | |
b45009b0 | 399 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
4ac97914 | 400 | spin_lock(&dev->slock); |
1da177e4 | 401 | cx8802_stop_dma(dev); |
4ac97914 MCC |
402 | cx8802_restart_queue(dev,&dev->mpegq); |
403 | spin_unlock(&dev->slock); | |
404 | } | |
1da177e4 LT |
405 | } |
406 | ||
b45009b0 MCC |
407 | #define MAX_IRQ_LOOP 10 |
408 | ||
7d12e780 | 409 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
1da177e4 LT |
410 | { |
411 | struct cx8802_dev *dev = dev_id; | |
412 | struct cx88_core *core = dev->core; | |
413 | u32 status; | |
414 | int loop, handled = 0; | |
415 | ||
b45009b0 | 416 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
1da177e4 LT |
417 | status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x04); |
418 | if (0 == status) | |
419 | goto out; | |
b45009b0 MCC |
420 | dprintk( 1, "cx8802_irq\n" ); |
421 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
422 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
423 | handled = 1; |
424 | cx_write(MO_PCI_INTSTAT, status); | |
425 | ||
426 | if (status & core->pci_irqmask) | |
427 | cx88_core_irq(core,status); | |
428 | if (status & 0x04) | |
429 | cx8802_mpeg_irq(dev); | |
430 | }; | |
b45009b0 MCC |
431 | if (MAX_IRQ_LOOP == loop) { |
432 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
433 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
434 | core->name); | |
435 | cx_write(MO_PCI_INTMSK,0); | |
436 | } | |
437 | ||
438 | out: | |
439 | return IRQ_RETVAL(handled); | |
440 | } | |
441 | ||
442 | /* ----------------------------------------------------------- */ | |
443 | /* exported stuff */ | |
444 | ||
445 | int cx8802_init_common(struct cx8802_dev *dev) | |
446 | { | |
447 | struct cx88_core *core = dev->core; | |
448 | int err; | |
449 | ||
450 | /* pci init */ | |
451 | if (pci_enable_device(dev->pci)) | |
452 | return -EIO; | |
453 | pci_set_master(dev->pci); | |
aaa40cb8 | 454 | if (!pci_dma_supported(dev->pci,DMA_32BIT_MASK)) { |
1da177e4 LT |
455 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
456 | return -EIO; | |
457 | } | |
458 | ||
459 | pci_read_config_byte(dev->pci, PCI_CLASS_REVISION, &dev->pci_rev); | |
4ac97914 MCC |
460 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
461 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
228aef63 | 462 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
1da177e4 | 463 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
228aef63 | 464 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
1da177e4 LT |
465 | |
466 | /* initialize driver struct */ | |
1da177e4 LT |
467 | spin_lock_init(&dev->slock); |
468 | ||
469 | /* init dma queue */ | |
470 | INIT_LIST_HEAD(&dev->mpegq.active); | |
471 | INIT_LIST_HEAD(&dev->mpegq.queued); | |
472 | dev->mpegq.timeout.function = cx8802_timeout; | |
473 | dev->mpegq.timeout.data = (unsigned long)dev; | |
474 | init_timer(&dev->mpegq.timeout); | |
475 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, | |
476 | MO_TS_DMACNTRL,0x11,0x00); | |
477 | ||
478 | /* get irq */ | |
479 | err = request_irq(dev->pci->irq, cx8802_irq, | |
8076fe32 | 480 | IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev); |
1da177e4 LT |
481 | if (err < 0) { |
482 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
483 | dev->core->name, dev->pci->irq); | |
484 | return err; | |
485 | } | |
486 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
487 | ||
488 | /* everything worked */ | |
489 | pci_set_drvdata(dev->pci,dev); | |
490 | return 0; | |
491 | } | |
492 | ||
493 | void cx8802_fini_common(struct cx8802_dev *dev) | |
494 | { | |
b45009b0 | 495 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
496 | cx8802_stop_dma(dev); |
497 | pci_disable_device(dev->pci); | |
498 | ||
499 | /* unregister stuff */ | |
500 | free_irq(dev->pci->irq, dev); | |
501 | pci_set_drvdata(dev->pci, NULL); | |
502 | ||
503 | /* free memory */ | |
504 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); | |
505 | } | |
506 | ||
507 | /* ----------------------------------------------------------- */ | |
508 | ||
509 | int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) | |
510 | { | |
4ac97914 | 511 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
512 | struct cx88_core *core = dev->core; |
513 | ||
514 | /* stop mpeg dma */ | |
515 | spin_lock(&dev->slock); | |
516 | if (!list_empty(&dev->mpegq.active)) { | |
b45009b0 | 517 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
518 | printk("%s: suspend mpeg\n", core->name); |
519 | cx8802_stop_dma(dev); | |
520 | del_timer(&dev->mpegq.timeout); | |
521 | } | |
522 | spin_unlock(&dev->slock); | |
523 | ||
1da177e4 LT |
524 | /* FIXME -- shutdown device */ |
525 | cx88_shutdown(dev->core); | |
1da177e4 LT |
526 | |
527 | pci_save_state(pci_dev); | |
528 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
529 | pci_disable_device(pci_dev); | |
530 | dev->state.disabled = 1; | |
531 | } | |
532 | return 0; | |
533 | } | |
534 | ||
535 | int cx8802_resume_common(struct pci_dev *pci_dev) | |
536 | { | |
08adb9e2 | 537 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 538 | struct cx88_core *core = dev->core; |
08adb9e2 | 539 | int err; |
1da177e4 LT |
540 | |
541 | if (dev->state.disabled) { | |
08adb9e2 MCC |
542 | err=pci_enable_device(pci_dev); |
543 | if (err) { | |
544 | printk(KERN_ERR "%s: can't enable device\n", | |
545 | dev->core->name); | |
546 | return err; | |
547 | } | |
1da177e4 LT |
548 | dev->state.disabled = 0; |
549 | } | |
08adb9e2 MCC |
550 | err=pci_set_power_state(pci_dev, PCI_D0); |
551 | if (err) { | |
552 | printk(KERN_ERR "%s: can't enable device\n", | |
553 | dev->core->name); | |
554 | pci_disable_device(pci_dev); | |
555 | dev->state.disabled = 1; | |
556 | ||
557 | return err; | |
558 | } | |
1da177e4 LT |
559 | pci_restore_state(pci_dev); |
560 | ||
1da177e4 LT |
561 | /* FIXME: re-initialize hardware */ |
562 | cx88_reset(dev->core); | |
1da177e4 LT |
563 | |
564 | /* restart video+vbi capture */ | |
565 | spin_lock(&dev->slock); | |
566 | if (!list_empty(&dev->mpegq.active)) { | |
567 | printk("%s: resume mpeg\n", core->name); | |
568 | cx8802_restart_queue(dev,&dev->mpegq); | |
569 | } | |
570 | spin_unlock(&dev->slock); | |
571 | ||
572 | return 0; | |
573 | } | |
574 | ||
6c5be74c ST |
575 | struct cx8802_dev * cx8802_get_device(struct inode *inode) |
576 | { | |
577 | int minor = iminor(inode); | |
578 | struct cx8802_dev *h = NULL; | |
579 | struct list_head *list; | |
580 | ||
581 | list_for_each(list,&cx8802_devlist) { | |
582 | h = list_entry(list, struct cx8802_dev, devlist); | |
583 | if (h->mpeg_dev->minor == minor) | |
584 | return h; | |
585 | } | |
586 | ||
587 | return NULL; | |
588 | } | |
589 | ||
590 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) | |
591 | { | |
592 | struct cx8802_dev *h = NULL; | |
593 | struct cx8802_driver *d = NULL; | |
594 | struct list_head *list; | |
595 | struct list_head *list2; | |
596 | ||
597 | list_for_each(list,&cx8802_devlist) { | |
598 | h = list_entry(list, struct cx8802_dev, devlist); | |
73438263 ST |
599 | if (h != dev) |
600 | continue; | |
6c5be74c ST |
601 | |
602 | list_for_each(list2, &h->drvlist.devlist) { | |
603 | d = list_entry(list2, struct cx8802_driver, devlist); | |
604 | ||
605 | /* only unregister the correct driver type */ | |
606 | if (d->type_id == btype) { | |
607 | return d; | |
608 | } | |
609 | } | |
610 | } | |
611 | ||
612 | return NULL; | |
613 | } | |
614 | ||
615 | /* Driver asked for hardware access. */ | |
9df2ead5 | 616 | static int cx8802_request_acquire(struct cx8802_driver *drv) |
6c5be74c ST |
617 | { |
618 | struct cx88_core *core = drv->core; | |
619 | ||
620 | /* Fail a request for hardware if the device is busy. */ | |
621 | if (core->active_type_id != CX88_BOARD_NONE) | |
622 | return -EBUSY; | |
623 | ||
624 | if (drv->advise_acquire) | |
625 | { | |
626 | core->active_type_id = drv->type_id; | |
627 | drv->advise_acquire(drv); | |
628 | ||
629 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); | |
630 | } | |
631 | ||
632 | return 0; | |
633 | } | |
634 | ||
635 | /* Driver asked to release hardware. */ | |
9df2ead5 | 636 | static int cx8802_request_release(struct cx8802_driver *drv) |
6c5be74c ST |
637 | { |
638 | struct cx88_core *core = drv->core; | |
639 | ||
640 | if (drv->advise_release) | |
641 | { | |
642 | drv->advise_release(drv); | |
643 | core->active_type_id = CX88_BOARD_NONE; | |
644 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); | |
645 | } | |
646 | ||
647 | return 0; | |
648 | } | |
649 | ||
650 | static int cx8802_check_driver(struct cx8802_driver *drv) | |
651 | { | |
652 | if (drv == NULL) | |
653 | return -ENODEV; | |
654 | ||
655 | if ((drv->type_id != CX88_MPEG_DVB) && | |
656 | (drv->type_id != CX88_MPEG_BLACKBIRD)) | |
657 | return -EINVAL; | |
658 | ||
659 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && | |
660 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) | |
661 | return -EINVAL; | |
662 | ||
663 | if ((drv->probe == NULL) || | |
664 | (drv->remove == NULL) || | |
665 | (drv->advise_acquire == NULL) || | |
666 | (drv->advise_release == NULL)) | |
667 | return -EINVAL; | |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
672 | int cx8802_register_driver(struct cx8802_driver *drv) | |
673 | { | |
674 | struct cx8802_dev *h; | |
675 | struct cx8802_driver *driver; | |
676 | struct list_head *list; | |
677 | int err = 0, i = 0; | |
678 | ||
679 | printk(KERN_INFO "%s() ->registering driver type=%s access=%s\n", __FUNCTION__ , | |
680 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
681 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
682 | ||
683 | if ((err = cx8802_check_driver(drv)) != 0) { | |
684 | printk(KERN_INFO "%s() cx8802_driver is invalid\n", __FUNCTION__ ); | |
685 | return err; | |
686 | } | |
687 | ||
688 | list_for_each(list,&cx8802_devlist) { | |
6c5be74c ST |
689 | h = list_entry(list, struct cx8802_dev, devlist); |
690 | ||
691 | printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
692 | h->core->name,h->pci->subsystem_vendor, | |
693 | h->pci->subsystem_device,cx88_boards[h->core->board].name, | |
694 | h->core->board); | |
695 | ||
696 | /* Bring up a new struct for each driver instance */ | |
697 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); | |
698 | if (driver == NULL) | |
699 | return -ENOMEM; | |
700 | ||
701 | /* Snapshot of the driver registration data */ | |
702 | drv->core = h->core; | |
703 | drv->suspend = cx8802_suspend_common; | |
704 | drv->resume = cx8802_resume_common; | |
705 | drv->request_acquire = cx8802_request_acquire; | |
706 | drv->request_release = cx8802_request_release; | |
707 | memcpy(driver, drv, sizeof(*driver)); | |
708 | ||
709 | err = drv->probe(driver); | |
710 | if (err == 0) { | |
019391e4 | 711 | i++; |
6c5be74c ST |
712 | mutex_lock(&drv->core->lock); |
713 | list_add_tail(&driver->devlist,&h->drvlist.devlist); | |
714 | mutex_unlock(&drv->core->lock); | |
715 | } else { | |
716 | printk(KERN_ERR "%s() ->probe failed err = %d\n", __FUNCTION__, err); | |
717 | } | |
718 | ||
719 | } | |
720 | if (i == 0) | |
721 | err = -ENODEV; | |
019391e4 ST |
722 | else |
723 | err = 0; | |
6c5be74c ST |
724 | |
725 | return err; | |
726 | } | |
727 | ||
728 | int cx8802_unregister_driver(struct cx8802_driver *drv) | |
729 | { | |
730 | struct cx8802_dev *h; | |
731 | struct cx8802_driver *d; | |
732 | struct list_head *list; | |
733 | struct list_head *list2, *q; | |
734 | int err = 0, i = 0; | |
735 | ||
736 | printk(KERN_INFO "%s() ->unregistering driver type=%s\n", __FUNCTION__ , | |
737 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird"); | |
738 | ||
739 | list_for_each(list,&cx8802_devlist) { | |
740 | i++; | |
741 | h = list_entry(list, struct cx8802_dev, devlist); | |
742 | ||
743 | printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
744 | h->core->name,h->pci->subsystem_vendor, | |
745 | h->pci->subsystem_device,cx88_boards[h->core->board].name, | |
746 | h->core->board); | |
747 | ||
748 | list_for_each_safe(list2, q, &h->drvlist.devlist) { | |
749 | d = list_entry(list2, struct cx8802_driver, devlist); | |
750 | ||
751 | /* only unregister the correct driver type */ | |
752 | if (d->type_id != drv->type_id) | |
753 | continue; | |
754 | ||
755 | err = d->remove(d); | |
756 | if (err == 0) { | |
757 | mutex_lock(&drv->core->lock); | |
758 | list_del(list2); | |
759 | mutex_unlock(&drv->core->lock); | |
760 | } else | |
761 | printk(KERN_ERR "%s() ->remove failed err = %d\n", __FUNCTION__, err); | |
762 | ||
763 | } | |
764 | ||
765 | } | |
766 | ||
767 | return err; | |
768 | } | |
769 | ||
1da177e4 | 770 | /* ----------------------------------------------------------- */ |
6c5be74c ST |
771 | static int __devinit cx8802_probe(struct pci_dev *pci_dev, |
772 | const struct pci_device_id *pci_id) | |
773 | { | |
774 | struct cx8802_dev *dev; | |
775 | struct cx88_core *core; | |
776 | int err; | |
777 | ||
778 | /* general setup */ | |
779 | core = cx88_core_get(pci_dev); | |
780 | if (NULL == core) | |
781 | return -EINVAL; | |
782 | ||
783 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); | |
784 | ||
785 | err = -ENODEV; | |
786 | if (!cx88_boards[core->board].mpeg) | |
787 | goto fail_core; | |
788 | ||
789 | err = -ENOMEM; | |
790 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | |
791 | if (NULL == dev) | |
792 | goto fail_core; | |
793 | dev->pci = pci_dev; | |
794 | dev->core = core; | |
795 | ||
796 | err = cx8802_init_common(dev); | |
797 | if (err != 0) | |
798 | goto fail_free; | |
799 | ||
800 | INIT_LIST_HEAD(&dev->drvlist.devlist); | |
801 | list_add_tail(&dev->devlist,&cx8802_devlist); | |
1da177e4 | 802 | |
6c5be74c ST |
803 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
804 | core->dvbdev = dev; | |
77b74774 MR |
805 | |
806 | /* now autoload cx88-dvb or cx88-blackbird */ | |
807 | request_modules(dev); | |
6c5be74c ST |
808 | return 0; |
809 | ||
810 | fail_free: | |
811 | kfree(dev); | |
812 | fail_core: | |
813 | cx88_core_put(core,pci_dev); | |
814 | return err; | |
815 | } | |
816 | ||
817 | static void __devexit cx8802_remove(struct pci_dev *pci_dev) | |
818 | { | |
819 | struct cx8802_dev *dev; | |
820 | struct cx8802_driver *h; | |
821 | struct list_head *list; | |
822 | ||
823 | dev = pci_get_drvdata(pci_dev); | |
824 | ||
825 | dprintk( 1, "%s\n", __FUNCTION__); | |
826 | ||
827 | list_for_each(list,&dev->drvlist.devlist) { | |
828 | h = list_entry(list, struct cx8802_driver, devlist); | |
829 | dprintk( 1, " ->driver\n"); | |
830 | if (h->remove == NULL) { | |
831 | printk(KERN_ERR "%s .. skipping driver, no probe function\n", __FUNCTION__); | |
832 | continue; | |
833 | } | |
834 | printk(KERN_INFO "%s .. Removing driver type %d\n", __FUNCTION__, h->type_id); | |
835 | cx8802_unregister_driver(h); | |
836 | list_del(&dev->drvlist.devlist); | |
837 | } | |
838 | ||
839 | /* Destroy any 8802 reference. */ | |
840 | dev->core->dvbdev = NULL; | |
841 | ||
842 | /* common */ | |
843 | cx8802_fini_common(dev); | |
844 | cx88_core_put(dev->core,dev->pci); | |
845 | kfree(dev); | |
846 | } | |
847 | ||
848 | static struct pci_device_id cx8802_pci_tbl[] = { | |
849 | { | |
850 | .vendor = 0x14f1, | |
851 | .device = 0x8802, | |
852 | .subvendor = PCI_ANY_ID, | |
853 | .subdevice = PCI_ANY_ID, | |
854 | },{ | |
855 | /* --- end of list --- */ | |
856 | } | |
857 | }; | |
858 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
859 | ||
860 | static struct pci_driver cx8802_pci_driver = { | |
861 | .name = "cx88-mpeg driver manager", | |
862 | .id_table = cx8802_pci_tbl, | |
863 | .probe = cx8802_probe, | |
864 | .remove = __devexit_p(cx8802_remove), | |
865 | }; | |
866 | ||
867 | static int cx8802_init(void) | |
868 | { | |
869 | printk(KERN_INFO "cx2388x cx88-mpeg Driver Manager version %d.%d.%d loaded\n", | |
870 | (CX88_VERSION_CODE >> 16) & 0xff, | |
871 | (CX88_VERSION_CODE >> 8) & 0xff, | |
872 | CX88_VERSION_CODE & 0xff); | |
873 | #ifdef SNAPSHOT | |
874 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
875 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
876 | #endif | |
877 | return pci_register_driver(&cx8802_pci_driver); | |
878 | } | |
879 | ||
880 | static void cx8802_fini(void) | |
881 | { | |
882 | pci_unregister_driver(&cx8802_pci_driver); | |
883 | } | |
884 | ||
885 | module_init(cx8802_init); | |
886 | module_exit(cx8802_fini); | |
1da177e4 LT |
887 | EXPORT_SYMBOL(cx8802_buf_prepare); |
888 | EXPORT_SYMBOL(cx8802_buf_queue); | |
889 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
890 | ||
891 | EXPORT_SYMBOL(cx8802_init_common); | |
892 | EXPORT_SYMBOL(cx8802_fini_common); | |
893 | ||
6c5be74c ST |
894 | EXPORT_SYMBOL(cx8802_register_driver); |
895 | EXPORT_SYMBOL(cx8802_unregister_driver); | |
896 | EXPORT_SYMBOL(cx8802_get_device); | |
897 | EXPORT_SYMBOL(cx8802_get_driver); | |
1da177e4 LT |
898 | /* ----------------------------------------------------------- */ |
899 | /* | |
900 | * Local variables: | |
901 | * c-basic-offset: 8 | |
902 | * End: | |
b45009b0 | 903 | * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
1da177e4 | 904 | */ |