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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> | |
1da177e4 LT |
26 | #include <linux/init.h> |
27 | #include <linux/device.h> | |
c24228da | 28 | #include <linux/dma-mapping.h> |
1da177e4 LT |
29 | #include <linux/interrupt.h> |
30 | #include <asm/delay.h> | |
31 | ||
32 | #include "cx88.h" | |
33 | ||
34 | /* ------------------------------------------------------------------ */ | |
35 | ||
36 | MODULE_DESCRIPTION("mpeg driver for cx2388x based TV cards"); | |
37 | MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>"); | |
38 | MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>"); | |
39 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
40 | MODULE_LICENSE("GPL"); | |
41 | ||
42 | static unsigned int debug = 0; | |
43 | module_param(debug,int,0644); | |
44 | MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); | |
45 | ||
46 | #define dprintk(level,fmt, arg...) if (debug >= level) \ | |
6c5be74c | 47 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg) |
1da177e4 | 48 | |
6c5be74c ST |
49 | #define mpeg_dbg(level,fmt, arg...) if (debug >= level) \ |
50 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg) | |
51 | ||
77b74774 MR |
52 | #if defined(CONFIG_MODULES) && defined(MODULE) |
53 | static void request_module_async(struct work_struct *work) | |
54 | { | |
55 | struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk); | |
ced80c67 | 56 | |
6a59d64c | 57 | if (dev->core->board.mpeg & CX88_MPEG_DVB) |
77b74774 | 58 | request_module("cx88-dvb"); |
6a59d64c | 59 | if (dev->core->board.mpeg & CX88_MPEG_BLACKBIRD) |
ced80c67 | 60 | request_module("cx88-blackbird"); |
77b74774 MR |
61 | } |
62 | ||
63 | static void request_modules(struct cx8802_dev *dev) | |
64 | { | |
65 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
66 | schedule_work(&dev->request_module_wk); | |
67 | } | |
68 | #else | |
69 | #define request_modules(dev) | |
70 | #endif /* CONFIG_MODULES */ | |
71 | ||
72 | ||
6c5be74c | 73 | static LIST_HEAD(cx8802_devlist); |
1da177e4 LT |
74 | /* ------------------------------------------------------------------ */ |
75 | ||
76 | static int cx8802_start_dma(struct cx8802_dev *dev, | |
77 | struct cx88_dmaqueue *q, | |
78 | struct cx88_buffer *buf) | |
79 | { | |
80 | struct cx88_core *core = dev->core; | |
81 | ||
7717cbed TP |
82 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", |
83 | buf->vb.width, buf->vb.height, buf->vb.field); | |
1da177e4 LT |
84 | |
85 | /* setup fifo + format */ | |
86 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], | |
87 | dev->ts_packet_size, buf->risc.dma); | |
88 | ||
89 | /* write TS length to chip */ | |
90 | cx_write(MO_TS_LNGTH, buf->vb.width); | |
91 | ||
1da177e4 LT |
92 | /* FIXME: this needs a review. |
93 | * also: move to cx88-blackbird + cx88-dvb source files? */ | |
94 | ||
6c5be74c ST |
95 | dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id); |
96 | ||
97 | if ( (core->active_type_id == CX88_MPEG_DVB) && | |
6a59d64c | 98 | (core->board.mpeg & CX88_MPEG_DVB) ) { |
6c5be74c ST |
99 | |
100 | dprintk( 1, "cx8802_start_dma doing .dvb\n"); | |
1da177e4 | 101 | /* negedge driven & software reset */ |
f1798495 | 102 | cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl); |
1da177e4 LT |
103 | udelay(100); |
104 | cx_write(MO_PINMUX_IO, 0x00); | |
0d723c09 | 105 | cx_write(TS_HW_SOP_CNTRL,0x47<<16|188<<4|0x01); |
6a59d64c | 106 | switch (core->boardnr) { |
e52e98a7 MCC |
107 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q: |
108 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T: | |
109 | case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: | |
da215d22 | 110 | case CX88_BOARD_PCHDTV_HD5500: |
41ef7c1e | 111 | cx_write(TS_SOP_STAT, 1<<13); |
e52e98a7 | 112 | break; |
0fa14aa6 ST |
113 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: |
114 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: | |
115 | cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */ | |
116 | udelay(100); | |
117 | break; | |
6c5be74c ST |
118 | case CX88_BOARD_HAUPPAUGE_HVR1300: |
119 | break; | |
e52e98a7 | 120 | default: |
41ef7c1e | 121 | cx_write(TS_SOP_STAT, 0x00); |
e52e98a7 | 122 | break; |
f1798495 | 123 | } |
1da177e4 LT |
124 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
125 | udelay(100); | |
6c5be74c | 126 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
6a59d64c | 127 | (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) { |
6c5be74c | 128 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); |
1da177e4 LT |
129 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
130 | ||
1da177e4 LT |
131 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
132 | udelay(100); | |
133 | ||
134 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ | |
1da177e4 LT |
135 | cx_write(TS_VALERR_CNTRL, 0x2000); |
136 | ||
137 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ | |
138 | udelay(100); | |
6c5be74c ST |
139 | } else { |
140 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __FUNCTION__, | |
6a59d64c | 141 | core->board.mpeg ); |
6c5be74c | 142 | return -EINVAL; |
1da177e4 | 143 | } |
1da177e4 LT |
144 | |
145 | /* reset counter */ | |
146 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
147 | q->count = 1; | |
148 | ||
149 | /* enable irqs */ | |
76d313bf | 150 | dprintk( 1, "setting the interrupt mask\n" ); |
8ddac9ee | 151 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT); |
b45009b0 | 152 | cx_set(MO_TS_INTMSK, 0x1f0011); |
1da177e4 LT |
153 | |
154 | /* start dma */ | |
b45009b0 MCC |
155 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
156 | cx_set(MO_TS_DMACNTRL, 0x11); | |
1da177e4 LT |
157 | return 0; |
158 | } | |
159 | ||
160 | static int cx8802_stop_dma(struct cx8802_dev *dev) | |
161 | { | |
162 | struct cx88_core *core = dev->core; | |
76d313bf | 163 | dprintk( 1, "cx8802_stop_dma\n" ); |
1da177e4 LT |
164 | |
165 | /* stop dma */ | |
166 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
167 | ||
168 | /* disable irqs */ | |
8ddac9ee | 169 | cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT); |
1da177e4 LT |
170 | cx_clear(MO_TS_INTMSK, 0x1f0011); |
171 | ||
172 | /* Reset the controller */ | |
173 | cx_write(TS_GEN_CNTRL, 0xcd); | |
174 | return 0; | |
175 | } | |
176 | ||
177 | static int cx8802_restart_queue(struct cx8802_dev *dev, | |
178 | struct cx88_dmaqueue *q) | |
179 | { | |
180 | struct cx88_buffer *buf; | |
1da177e4 | 181 | |
b930e1d8 | 182 | dprintk( 1, "cx8802_restart_queue\n" ); |
1da177e4 | 183 | if (list_empty(&q->active)) |
b45009b0 | 184 | { |
b930e1d8 MK |
185 | struct cx88_buffer *prev; |
186 | prev = NULL; | |
187 | ||
188 | dprintk(1, "cx8802_restart_queue: queue is empty\n" ); | |
189 | ||
190 | for (;;) { | |
191 | if (list_empty(&q->queued)) | |
192 | return 0; | |
193 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); | |
194 | if (NULL == prev) { | |
195 | list_del(&buf->vb.queue); | |
196 | list_add_tail(&buf->vb.queue,&q->active); | |
197 | cx8802_start_dma(dev, q, buf); | |
198 | buf->vb.state = STATE_ACTIVE; | |
199 | buf->count = q->count++; | |
200 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
201 | dprintk(1,"[%p/%d] restart_queue - first active\n", | |
202 | buf,buf->vb.i); | |
203 | ||
204 | } else if (prev->vb.width == buf->vb.width && | |
205 | prev->vb.height == buf->vb.height && | |
206 | prev->fmt == buf->fmt) { | |
207 | list_del(&buf->vb.queue); | |
208 | list_add_tail(&buf->vb.queue,&q->active); | |
209 | buf->vb.state = STATE_ACTIVE; | |
210 | buf->count = q->count++; | |
211 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
212 | dprintk(1,"[%p/%d] restart_queue - move to active\n", | |
213 | buf,buf->vb.i); | |
214 | } else { | |
215 | return 0; | |
216 | } | |
217 | prev = buf; | |
218 | } | |
1da177e4 | 219 | return 0; |
b45009b0 | 220 | } |
1da177e4 LT |
221 | |
222 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
223 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
224 | buf, buf->vb.i); | |
225 | cx8802_start_dma(dev, q, buf); | |
89a47942 | 226 | list_for_each_entry(buf, &q->active, vb.queue) |
1da177e4 | 227 | buf->count = q->count++; |
1da177e4 LT |
228 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
229 | return 0; | |
230 | } | |
231 | ||
232 | /* ------------------------------------------------------------------ */ | |
233 | ||
c7b0ac05 MCC |
234 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
235 | struct cx88_buffer *buf, enum v4l2_field field) | |
1da177e4 LT |
236 | { |
237 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
c1accaa2 | 238 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
1da177e4 LT |
239 | int rc; |
240 | ||
241 | dprintk(1, "%s: %p\n", __FUNCTION__, buf); | |
242 | if (0 != buf->vb.baddr && buf->vb.bsize < size) | |
243 | return -EINVAL; | |
244 | ||
245 | if (STATE_NEEDS_INIT == buf->vb.state) { | |
246 | buf->vb.width = dev->ts_packet_size; | |
247 | buf->vb.height = dev->ts_packet_count; | |
248 | buf->vb.size = size; | |
31629424 | 249 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
1da177e4 | 250 | |
c7b0ac05 | 251 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
1da177e4 LT |
252 | goto fail; |
253 | cx88_risc_databuffer(dev->pci, &buf->risc, | |
c1accaa2 | 254 | dma->sglist, |
05b27233 | 255 | buf->vb.width, buf->vb.height, 0); |
1da177e4 LT |
256 | } |
257 | buf->vb.state = STATE_PREPARED; | |
258 | return 0; | |
259 | ||
260 | fail: | |
c7b0ac05 | 261 | cx88_free_buffer(q,buf); |
1da177e4 LT |
262 | return rc; |
263 | } | |
264 | ||
265 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
266 | { | |
267 | struct cx88_buffer *prev; | |
c7b0ac05 | 268 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
1da177e4 | 269 | |
b45009b0 | 270 | dprintk( 1, "cx8802_buf_queue\n" ); |
1da177e4 LT |
271 | /* add jump to stopper */ |
272 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
c7b0ac05 | 273 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
1da177e4 | 274 | |
c7b0ac05 | 275 | if (list_empty(&cx88q->active)) { |
76d313bf | 276 | dprintk( 1, "queue is empty - first active\n" ); |
c7b0ac05 MCC |
277 | list_add_tail(&buf->vb.queue,&cx88q->active); |
278 | cx8802_start_dma(dev, cx88q, buf); | |
1da177e4 | 279 | buf->vb.state = STATE_ACTIVE; |
c7b0ac05 MCC |
280 | buf->count = cx88q->count++; |
281 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); | |
76d313bf | 282 | dprintk(1,"[%p/%d] %s - first active\n", |
1da177e4 LT |
283 | buf, buf->vb.i, __FUNCTION__); |
284 | ||
285 | } else { | |
b45009b0 | 286 | dprintk( 1, "queue is not empty - append to active\n" ); |
c7b0ac05 MCC |
287 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
288 | list_add_tail(&buf->vb.queue,&cx88q->active); | |
1da177e4 | 289 | buf->vb.state = STATE_ACTIVE; |
c7b0ac05 | 290 | buf->count = cx88q->count++; |
1da177e4 | 291 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
b45009b0 | 292 | dprintk( 1, "[%p/%d] %s - append to active\n", |
1da177e4 LT |
293 | buf, buf->vb.i, __FUNCTION__); |
294 | } | |
295 | } | |
296 | ||
297 | /* ----------------------------------------------------------- */ | |
298 | ||
299 | static void do_cancel_buffers(struct cx8802_dev *dev, char *reason, int restart) | |
300 | { | |
301 | struct cx88_dmaqueue *q = &dev->mpegq; | |
302 | struct cx88_buffer *buf; | |
303 | unsigned long flags; | |
304 | ||
305 | spin_lock_irqsave(&dev->slock,flags); | |
306 | while (!list_empty(&q->active)) { | |
307 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
308 | list_del(&buf->vb.queue); | |
309 | buf->vb.state = STATE_ERROR; | |
310 | wake_up(&buf->vb.done); | |
311 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | |
312 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | |
313 | } | |
314 | if (restart) | |
b45009b0 | 315 | { |
76d313bf | 316 | dprintk(1, "restarting queue\n" ); |
1da177e4 | 317 | cx8802_restart_queue(dev,q); |
b45009b0 | 318 | } |
1da177e4 LT |
319 | spin_unlock_irqrestore(&dev->slock,flags); |
320 | } | |
321 | ||
322 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
323 | { | |
324 | struct cx88_dmaqueue *q = &dev->mpegq; | |
325 | ||
b45009b0 | 326 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 LT |
327 | del_timer_sync(&q->timeout); |
328 | cx8802_stop_dma(dev); | |
329 | do_cancel_buffers(dev,"cancel",0); | |
330 | } | |
331 | ||
332 | static void cx8802_timeout(unsigned long data) | |
333 | { | |
334 | struct cx8802_dev *dev = (struct cx8802_dev*)data; | |
335 | ||
7d816b25 | 336 | dprintk(1, "%s\n",__FUNCTION__); |
1da177e4 LT |
337 | |
338 | if (debug) | |
339 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
340 | cx8802_stop_dma(dev); | |
341 | do_cancel_buffers(dev,"timeout",1); | |
342 | } | |
343 | ||
41ef7c1e MCC |
344 | static char *cx88_mpeg_irqs[32] = { |
345 | "ts_risci1", NULL, NULL, NULL, | |
346 | "ts_risci2", NULL, NULL, NULL, | |
347 | "ts_oflow", NULL, NULL, NULL, | |
348 | "ts_sync", NULL, NULL, NULL, | |
349 | "opc_err", "par_err", "rip_err", "pci_abort", | |
350 | "ts_err?", | |
351 | }; | |
352 | ||
1da177e4 LT |
353 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
354 | { | |
355 | struct cx88_core *core = dev->core; | |
356 | u32 status, mask, count; | |
357 | ||
b45009b0 | 358 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
359 | status = cx_read(MO_TS_INTSTAT); |
360 | mask = cx_read(MO_TS_INTMSK); | |
361 | if (0 == (status & mask)) | |
362 | return; | |
363 | ||
364 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 365 | |
1da177e4 LT |
366 | if (debug || (status & mask & ~0xff)) |
367 | cx88_print_irqbits(core->name, "irq mpeg ", | |
66623a04 MCC |
368 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
369 | status, mask); | |
1da177e4 LT |
370 | |
371 | /* risc op code error */ | |
372 | if (status & (1 << 16)) { | |
373 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
374 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
375 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
376 | } | |
377 | ||
378 | /* risc1 y */ | |
379 | if (status & 0x01) { | |
b45009b0 | 380 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
381 | spin_lock(&dev->slock); |
382 | count = cx_read(MO_TS_GPCNT); | |
383 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
384 | spin_unlock(&dev->slock); | |
385 | } | |
386 | ||
387 | /* risc2 y */ | |
388 | if (status & 0x10) { | |
389 | spin_lock(&dev->slock); | |
390 | cx8802_restart_queue(dev,&dev->mpegq); | |
391 | spin_unlock(&dev->slock); | |
392 | } | |
393 | ||
4ac97914 MCC |
394 | /* other general errors */ |
395 | if (status & 0x1f0100) { | |
b45009b0 | 396 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
4ac97914 | 397 | spin_lock(&dev->slock); |
1da177e4 | 398 | cx8802_stop_dma(dev); |
4ac97914 MCC |
399 | cx8802_restart_queue(dev,&dev->mpegq); |
400 | spin_unlock(&dev->slock); | |
401 | } | |
1da177e4 LT |
402 | } |
403 | ||
b45009b0 MCC |
404 | #define MAX_IRQ_LOOP 10 |
405 | ||
7d12e780 | 406 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
1da177e4 LT |
407 | { |
408 | struct cx8802_dev *dev = dev_id; | |
409 | struct cx88_core *core = dev->core; | |
410 | u32 status; | |
411 | int loop, handled = 0; | |
412 | ||
b45009b0 | 413 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
8ddac9ee TP |
414 | status = cx_read(MO_PCI_INTSTAT) & |
415 | (core->pci_irqmask | PCI_INT_TSINT); | |
1da177e4 LT |
416 | if (0 == status) |
417 | goto out; | |
b45009b0 MCC |
418 | dprintk( 1, "cx8802_irq\n" ); |
419 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
420 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
421 | handled = 1; |
422 | cx_write(MO_PCI_INTSTAT, status); | |
423 | ||
424 | if (status & core->pci_irqmask) | |
425 | cx88_core_irq(core,status); | |
8ddac9ee | 426 | if (status & PCI_INT_TSINT) |
1da177e4 LT |
427 | cx8802_mpeg_irq(dev); |
428 | }; | |
b45009b0 MCC |
429 | if (MAX_IRQ_LOOP == loop) { |
430 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
431 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
432 | core->name); | |
433 | cx_write(MO_PCI_INTMSK,0); | |
434 | } | |
435 | ||
436 | out: | |
437 | return IRQ_RETVAL(handled); | |
438 | } | |
439 | ||
440 | /* ----------------------------------------------------------- */ | |
441 | /* exported stuff */ | |
442 | ||
443 | int cx8802_init_common(struct cx8802_dev *dev) | |
444 | { | |
445 | struct cx88_core *core = dev->core; | |
446 | int err; | |
447 | ||
448 | /* pci init */ | |
449 | if (pci_enable_device(dev->pci)) | |
450 | return -EIO; | |
451 | pci_set_master(dev->pci); | |
aaa40cb8 | 452 | if (!pci_dma_supported(dev->pci,DMA_32BIT_MASK)) { |
1da177e4 LT |
453 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
454 | return -EIO; | |
455 | } | |
456 | ||
457 | pci_read_config_byte(dev->pci, PCI_CLASS_REVISION, &dev->pci_rev); | |
4ac97914 MCC |
458 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
459 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
228aef63 | 460 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
1da177e4 | 461 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
228aef63 | 462 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
1da177e4 LT |
463 | |
464 | /* initialize driver struct */ | |
1da177e4 LT |
465 | spin_lock_init(&dev->slock); |
466 | ||
467 | /* init dma queue */ | |
468 | INIT_LIST_HEAD(&dev->mpegq.active); | |
469 | INIT_LIST_HEAD(&dev->mpegq.queued); | |
470 | dev->mpegq.timeout.function = cx8802_timeout; | |
471 | dev->mpegq.timeout.data = (unsigned long)dev; | |
472 | init_timer(&dev->mpegq.timeout); | |
473 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, | |
474 | MO_TS_DMACNTRL,0x11,0x00); | |
475 | ||
476 | /* get irq */ | |
477 | err = request_irq(dev->pci->irq, cx8802_irq, | |
8076fe32 | 478 | IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev); |
1da177e4 LT |
479 | if (err < 0) { |
480 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
481 | dev->core->name, dev->pci->irq); | |
482 | return err; | |
483 | } | |
484 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
485 | ||
486 | /* everything worked */ | |
487 | pci_set_drvdata(dev->pci,dev); | |
488 | return 0; | |
489 | } | |
490 | ||
491 | void cx8802_fini_common(struct cx8802_dev *dev) | |
492 | { | |
b45009b0 | 493 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
494 | cx8802_stop_dma(dev); |
495 | pci_disable_device(dev->pci); | |
496 | ||
497 | /* unregister stuff */ | |
498 | free_irq(dev->pci->irq, dev); | |
499 | pci_set_drvdata(dev->pci, NULL); | |
500 | ||
501 | /* free memory */ | |
502 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); | |
503 | } | |
504 | ||
505 | /* ----------------------------------------------------------- */ | |
506 | ||
507 | int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) | |
508 | { | |
4ac97914 | 509 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
510 | struct cx88_core *core = dev->core; |
511 | ||
512 | /* stop mpeg dma */ | |
513 | spin_lock(&dev->slock); | |
514 | if (!list_empty(&dev->mpegq.active)) { | |
b45009b0 | 515 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
516 | printk("%s: suspend mpeg\n", core->name); |
517 | cx8802_stop_dma(dev); | |
518 | del_timer(&dev->mpegq.timeout); | |
519 | } | |
520 | spin_unlock(&dev->slock); | |
521 | ||
1da177e4 LT |
522 | /* FIXME -- shutdown device */ |
523 | cx88_shutdown(dev->core); | |
1da177e4 LT |
524 | |
525 | pci_save_state(pci_dev); | |
526 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
527 | pci_disable_device(pci_dev); | |
528 | dev->state.disabled = 1; | |
529 | } | |
530 | return 0; | |
531 | } | |
532 | ||
533 | int cx8802_resume_common(struct pci_dev *pci_dev) | |
534 | { | |
08adb9e2 | 535 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 536 | struct cx88_core *core = dev->core; |
08adb9e2 | 537 | int err; |
1da177e4 LT |
538 | |
539 | if (dev->state.disabled) { | |
08adb9e2 MCC |
540 | err=pci_enable_device(pci_dev); |
541 | if (err) { | |
542 | printk(KERN_ERR "%s: can't enable device\n", | |
543 | dev->core->name); | |
544 | return err; | |
545 | } | |
1da177e4 LT |
546 | dev->state.disabled = 0; |
547 | } | |
08adb9e2 MCC |
548 | err=pci_set_power_state(pci_dev, PCI_D0); |
549 | if (err) { | |
550 | printk(KERN_ERR "%s: can't enable device\n", | |
551 | dev->core->name); | |
552 | pci_disable_device(pci_dev); | |
553 | dev->state.disabled = 1; | |
554 | ||
555 | return err; | |
556 | } | |
1da177e4 LT |
557 | pci_restore_state(pci_dev); |
558 | ||
1da177e4 LT |
559 | /* FIXME: re-initialize hardware */ |
560 | cx88_reset(dev->core); | |
1da177e4 LT |
561 | |
562 | /* restart video+vbi capture */ | |
563 | spin_lock(&dev->slock); | |
564 | if (!list_empty(&dev->mpegq.active)) { | |
565 | printk("%s: resume mpeg\n", core->name); | |
566 | cx8802_restart_queue(dev,&dev->mpegq); | |
567 | } | |
568 | spin_unlock(&dev->slock); | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
7717cbed TP |
573 | #if defined(CONFIG_VIDEO_CX88_BLACKBIRD) || \ |
574 | defined(CONFIG_VIDEO_CX88_BLACKBIRD_MODULE) | |
6c5be74c ST |
575 | struct cx8802_dev * cx8802_get_device(struct inode *inode) |
576 | { | |
577 | int minor = iminor(inode); | |
89a47942 | 578 | struct cx8802_dev *dev; |
6c5be74c | 579 | |
89a47942 TP |
580 | list_for_each_entry(dev, &cx8802_devlist, devlist) |
581 | if (dev->mpeg_dev && dev->mpeg_dev->minor == minor) | |
582 | return dev; | |
6c5be74c ST |
583 | |
584 | return NULL; | |
585 | } | |
7717cbed TP |
586 | EXPORT_SYMBOL(cx8802_get_device); |
587 | #endif | |
6c5be74c ST |
588 | |
589 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) | |
590 | { | |
081c2fc8 | 591 | struct cx8802_driver *d; |
6c5be74c | 592 | |
89a47942 | 593 | list_for_each_entry(d, &dev->drvlist, drvlist) |
081c2fc8 TP |
594 | if (d->type_id == btype) |
595 | return d; | |
6c5be74c ST |
596 | |
597 | return NULL; | |
598 | } | |
599 | ||
600 | /* Driver asked for hardware access. */ | |
9df2ead5 | 601 | static int cx8802_request_acquire(struct cx8802_driver *drv) |
6c5be74c ST |
602 | { |
603 | struct cx88_core *core = drv->core; | |
604 | ||
605 | /* Fail a request for hardware if the device is busy. */ | |
606 | if (core->active_type_id != CX88_BOARD_NONE) | |
607 | return -EBUSY; | |
608 | ||
609 | if (drv->advise_acquire) | |
610 | { | |
611 | core->active_type_id = drv->type_id; | |
612 | drv->advise_acquire(drv); | |
613 | ||
614 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); | |
615 | } | |
616 | ||
617 | return 0; | |
618 | } | |
619 | ||
620 | /* Driver asked to release hardware. */ | |
9df2ead5 | 621 | static int cx8802_request_release(struct cx8802_driver *drv) |
6c5be74c ST |
622 | { |
623 | struct cx88_core *core = drv->core; | |
624 | ||
625 | if (drv->advise_release) | |
626 | { | |
627 | drv->advise_release(drv); | |
628 | core->active_type_id = CX88_BOARD_NONE; | |
629 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); | |
630 | } | |
631 | ||
632 | return 0; | |
633 | } | |
634 | ||
635 | static int cx8802_check_driver(struct cx8802_driver *drv) | |
636 | { | |
637 | if (drv == NULL) | |
638 | return -ENODEV; | |
639 | ||
640 | if ((drv->type_id != CX88_MPEG_DVB) && | |
641 | (drv->type_id != CX88_MPEG_BLACKBIRD)) | |
642 | return -EINVAL; | |
643 | ||
644 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && | |
645 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) | |
646 | return -EINVAL; | |
647 | ||
648 | if ((drv->probe == NULL) || | |
649 | (drv->remove == NULL) || | |
650 | (drv->advise_acquire == NULL) || | |
651 | (drv->advise_release == NULL)) | |
652 | return -EINVAL; | |
653 | ||
654 | return 0; | |
655 | } | |
656 | ||
657 | int cx8802_register_driver(struct cx8802_driver *drv) | |
658 | { | |
89a47942 | 659 | struct cx8802_dev *dev; |
6c5be74c | 660 | struct cx8802_driver *driver; |
89a47942 | 661 | int err, i = 0; |
6c5be74c | 662 | |
5772f813 TP |
663 | printk(KERN_INFO |
664 | "cx88/2: registering cx8802 driver, type: %s access: %s\n", | |
665 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
666 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c ST |
667 | |
668 | if ((err = cx8802_check_driver(drv)) != 0) { | |
5772f813 | 669 | printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n"); |
6c5be74c ST |
670 | return err; |
671 | } | |
672 | ||
89a47942 | 673 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
674 | printk(KERN_INFO |
675 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
676 | dev->core->name, dev->pci->subsystem_vendor, |
677 | dev->pci->subsystem_device, dev->core->board.name, | |
678 | dev->core->boardnr); | |
6c5be74c ST |
679 | |
680 | /* Bring up a new struct for each driver instance */ | |
681 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); | |
682 | if (driver == NULL) | |
683 | return -ENOMEM; | |
684 | ||
685 | /* Snapshot of the driver registration data */ | |
89a47942 | 686 | drv->core = dev->core; |
6c5be74c ST |
687 | drv->suspend = cx8802_suspend_common; |
688 | drv->resume = cx8802_resume_common; | |
689 | drv->request_acquire = cx8802_request_acquire; | |
690 | drv->request_release = cx8802_request_release; | |
691 | memcpy(driver, drv, sizeof(*driver)); | |
692 | ||
693 | err = drv->probe(driver); | |
694 | if (err == 0) { | |
019391e4 | 695 | i++; |
6c5be74c | 696 | mutex_lock(&drv->core->lock); |
89a47942 | 697 | list_add_tail(&driver->drvlist, &dev->drvlist); |
6c5be74c ST |
698 | mutex_unlock(&drv->core->lock); |
699 | } else { | |
5772f813 TP |
700 | printk(KERN_ERR |
701 | "%s/2: cx8802 probe failed, err = %d\n", | |
89a47942 | 702 | dev->core->name, err); |
6c5be74c ST |
703 | } |
704 | ||
705 | } | |
6c5be74c | 706 | |
89a47942 | 707 | return i ? 0 : -ENODEV; |
6c5be74c ST |
708 | } |
709 | ||
710 | int cx8802_unregister_driver(struct cx8802_driver *drv) | |
711 | { | |
89a47942 TP |
712 | struct cx8802_dev *dev; |
713 | struct cx8802_driver *d, *dtmp; | |
714 | int err = 0; | |
6c5be74c | 715 | |
5772f813 TP |
716 | printk(KERN_INFO |
717 | "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", | |
718 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
719 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c | 720 | |
89a47942 | 721 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
722 | printk(KERN_INFO |
723 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
724 | dev->core->name, dev->pci->subsystem_vendor, |
725 | dev->pci->subsystem_device, dev->core->board.name, | |
726 | dev->core->boardnr); | |
6c5be74c | 727 | |
89a47942 | 728 | list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { |
6c5be74c ST |
729 | /* only unregister the correct driver type */ |
730 | if (d->type_id != drv->type_id) | |
731 | continue; | |
732 | ||
733 | err = d->remove(d); | |
734 | if (err == 0) { | |
735 | mutex_lock(&drv->core->lock); | |
89a47942 | 736 | list_del(&d->drvlist); |
6c5be74c | 737 | mutex_unlock(&drv->core->lock); |
a04036a3 | 738 | kfree(d); |
6c5be74c | 739 | } else |
5772f813 | 740 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
89a47942 | 741 | "failed (%d)\n", dev->core->name, err); |
6c5be74c ST |
742 | } |
743 | ||
744 | } | |
745 | ||
746 | return err; | |
747 | } | |
748 | ||
1da177e4 | 749 | /* ----------------------------------------------------------- */ |
6c5be74c ST |
750 | static int __devinit cx8802_probe(struct pci_dev *pci_dev, |
751 | const struct pci_device_id *pci_id) | |
752 | { | |
753 | struct cx8802_dev *dev; | |
754 | struct cx88_core *core; | |
755 | int err; | |
756 | ||
757 | /* general setup */ | |
758 | core = cx88_core_get(pci_dev); | |
759 | if (NULL == core) | |
760 | return -EINVAL; | |
761 | ||
762 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); | |
763 | ||
764 | err = -ENODEV; | |
6a59d64c | 765 | if (!core->board.mpeg) |
6c5be74c ST |
766 | goto fail_core; |
767 | ||
768 | err = -ENOMEM; | |
769 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | |
770 | if (NULL == dev) | |
771 | goto fail_core; | |
772 | dev->pci = pci_dev; | |
773 | dev->core = core; | |
774 | ||
775 | err = cx8802_init_common(dev); | |
776 | if (err != 0) | |
777 | goto fail_free; | |
778 | ||
081c2fc8 | 779 | INIT_LIST_HEAD(&dev->drvlist); |
6c5be74c | 780 | list_add_tail(&dev->devlist,&cx8802_devlist); |
1da177e4 | 781 | |
6c5be74c ST |
782 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
783 | core->dvbdev = dev; | |
77b74774 MR |
784 | |
785 | /* now autoload cx88-dvb or cx88-blackbird */ | |
786 | request_modules(dev); | |
6c5be74c ST |
787 | return 0; |
788 | ||
789 | fail_free: | |
790 | kfree(dev); | |
791 | fail_core: | |
792 | cx88_core_put(core,pci_dev); | |
793 | return err; | |
794 | } | |
795 | ||
796 | static void __devexit cx8802_remove(struct pci_dev *pci_dev) | |
797 | { | |
798 | struct cx8802_dev *dev; | |
6c5be74c ST |
799 | |
800 | dev = pci_get_drvdata(pci_dev); | |
801 | ||
802 | dprintk( 1, "%s\n", __FUNCTION__); | |
803 | ||
081c2fc8 | 804 | if (!list_empty(&dev->drvlist)) { |
89a47942 | 805 | struct cx8802_driver *drv, *tmp; |
081c2fc8 TP |
806 | int err; |
807 | ||
808 | printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " | |
809 | "while cx8802 sub-drivers still loaded?!\n", | |
810 | dev->core->name); | |
811 | ||
89a47942 | 812 | list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { |
081c2fc8 TP |
813 | err = drv->remove(drv); |
814 | if (err == 0) { | |
815 | mutex_lock(&drv->core->lock); | |
89a47942 | 816 | list_del(&drv->drvlist); |
081c2fc8 TP |
817 | mutex_unlock(&drv->core->lock); |
818 | } else | |
819 | printk(KERN_ERR "%s/2: cx8802 driver remove " | |
820 | "failed (%d)\n", dev->core->name, err); | |
a04036a3 | 821 | kfree(drv); |
6c5be74c | 822 | } |
6c5be74c ST |
823 | } |
824 | ||
825 | /* Destroy any 8802 reference. */ | |
826 | dev->core->dvbdev = NULL; | |
827 | ||
828 | /* common */ | |
829 | cx8802_fini_common(dev); | |
830 | cx88_core_put(dev->core,dev->pci); | |
831 | kfree(dev); | |
832 | } | |
833 | ||
834 | static struct pci_device_id cx8802_pci_tbl[] = { | |
835 | { | |
836 | .vendor = 0x14f1, | |
837 | .device = 0x8802, | |
838 | .subvendor = PCI_ANY_ID, | |
839 | .subdevice = PCI_ANY_ID, | |
840 | },{ | |
841 | /* --- end of list --- */ | |
842 | } | |
843 | }; | |
844 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
845 | ||
846 | static struct pci_driver cx8802_pci_driver = { | |
847 | .name = "cx88-mpeg driver manager", | |
848 | .id_table = cx8802_pci_tbl, | |
849 | .probe = cx8802_probe, | |
850 | .remove = __devexit_p(cx8802_remove), | |
851 | }; | |
852 | ||
853 | static int cx8802_init(void) | |
854 | { | |
5772f813 | 855 | printk(KERN_INFO "cx88/2: cx2388x MPEG-TS Driver Manager version %d.%d.%d loaded\n", |
6c5be74c ST |
856 | (CX88_VERSION_CODE >> 16) & 0xff, |
857 | (CX88_VERSION_CODE >> 8) & 0xff, | |
858 | CX88_VERSION_CODE & 0xff); | |
859 | #ifdef SNAPSHOT | |
860 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
861 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
862 | #endif | |
863 | return pci_register_driver(&cx8802_pci_driver); | |
864 | } | |
865 | ||
866 | static void cx8802_fini(void) | |
867 | { | |
868 | pci_unregister_driver(&cx8802_pci_driver); | |
869 | } | |
870 | ||
871 | module_init(cx8802_init); | |
872 | module_exit(cx8802_fini); | |
1da177e4 LT |
873 | EXPORT_SYMBOL(cx8802_buf_prepare); |
874 | EXPORT_SYMBOL(cx8802_buf_queue); | |
875 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
876 | ||
877 | EXPORT_SYMBOL(cx8802_init_common); | |
878 | EXPORT_SYMBOL(cx8802_fini_common); | |
879 | ||
6c5be74c ST |
880 | EXPORT_SYMBOL(cx8802_register_driver); |
881 | EXPORT_SYMBOL(cx8802_unregister_driver); | |
6c5be74c | 882 | EXPORT_SYMBOL(cx8802_get_driver); |
1da177e4 LT |
883 | /* ----------------------------------------------------------- */ |
884 | /* | |
885 | * Local variables: | |
886 | * c-basic-offset: 8 | |
887 | * End: | |
b45009b0 | 888 | * 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 | 889 | */ |