Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * Support for the mpeg transport stream transfers | |
4 | * PCI function #2 of the cx2388x. | |
5 | * | |
f8de18d4 | 6 | * (c) 2004 Jelle Foks <jelle@foks.us> |
1da177e4 LT |
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"); | |
f8de18d4 | 37 | MODULE_AUTHOR("Jelle Foks <jelle@foks.us>"); |
1da177e4 LT |
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 | ||
ff699e6b | 42 | static unsigned int debug; |
1da177e4 LT |
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); | |
60464da8 | 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; | |
60464da8 | 120 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
4917019d ST |
121 | /* Enable MPEG parallel IO and video signal pins */ |
122 | cx_write(MO_PINMUX_IO, 0x88); | |
123 | cx_write(TS_HW_SOP_CNTRL, (0x47 << 16) | (188 << 4)); | |
124 | dev->ts_gen_cntrl = 5; | |
125 | cx_write(TS_SOP_STAT, 0); | |
126 | cx_write(TS_VALERR_CNTRL, 0); | |
60464da8 ST |
127 | udelay(100); |
128 | break; | |
e52e98a7 | 129 | default: |
41ef7c1e | 130 | cx_write(TS_SOP_STAT, 0x00); |
e52e98a7 | 131 | break; |
f1798495 | 132 | } |
1da177e4 LT |
133 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
134 | udelay(100); | |
6c5be74c | 135 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
6a59d64c | 136 | (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) { |
6c5be74c | 137 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); |
1da177e4 LT |
138 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
139 | ||
1da177e4 LT |
140 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
141 | udelay(100); | |
142 | ||
143 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ | |
1da177e4 LT |
144 | cx_write(TS_VALERR_CNTRL, 0x2000); |
145 | ||
146 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ | |
147 | udelay(100); | |
6c5be74c | 148 | } else { |
32d83efc | 149 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__, |
6a59d64c | 150 | core->board.mpeg ); |
6c5be74c | 151 | return -EINVAL; |
1da177e4 | 152 | } |
1da177e4 LT |
153 | |
154 | /* reset counter */ | |
155 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
156 | q->count = 1; | |
157 | ||
158 | /* enable irqs */ | |
76d313bf | 159 | dprintk( 1, "setting the interrupt mask\n" ); |
8ddac9ee | 160 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT); |
b45009b0 | 161 | cx_set(MO_TS_INTMSK, 0x1f0011); |
1da177e4 LT |
162 | |
163 | /* start dma */ | |
b45009b0 MCC |
164 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
165 | cx_set(MO_TS_DMACNTRL, 0x11); | |
1da177e4 LT |
166 | return 0; |
167 | } | |
168 | ||
169 | static int cx8802_stop_dma(struct cx8802_dev *dev) | |
170 | { | |
171 | struct cx88_core *core = dev->core; | |
76d313bf | 172 | dprintk( 1, "cx8802_stop_dma\n" ); |
1da177e4 LT |
173 | |
174 | /* stop dma */ | |
175 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
176 | ||
177 | /* disable irqs */ | |
8ddac9ee | 178 | cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT); |
1da177e4 LT |
179 | cx_clear(MO_TS_INTMSK, 0x1f0011); |
180 | ||
181 | /* Reset the controller */ | |
182 | cx_write(TS_GEN_CNTRL, 0xcd); | |
183 | return 0; | |
184 | } | |
185 | ||
186 | static int cx8802_restart_queue(struct cx8802_dev *dev, | |
187 | struct cx88_dmaqueue *q) | |
188 | { | |
189 | struct cx88_buffer *buf; | |
1da177e4 | 190 | |
b930e1d8 | 191 | dprintk( 1, "cx8802_restart_queue\n" ); |
1da177e4 | 192 | if (list_empty(&q->active)) |
b45009b0 | 193 | { |
b930e1d8 MK |
194 | struct cx88_buffer *prev; |
195 | prev = NULL; | |
196 | ||
197 | dprintk(1, "cx8802_restart_queue: queue is empty\n" ); | |
198 | ||
199 | for (;;) { | |
200 | if (list_empty(&q->queued)) | |
201 | return 0; | |
202 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); | |
203 | if (NULL == prev) { | |
204 | list_del(&buf->vb.queue); | |
205 | list_add_tail(&buf->vb.queue,&q->active); | |
206 | cx8802_start_dma(dev, q, buf); | |
0fc0686e | 207 | buf->vb.state = VIDEOBUF_ACTIVE; |
b930e1d8 MK |
208 | buf->count = q->count++; |
209 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
210 | dprintk(1,"[%p/%d] restart_queue - first active\n", | |
211 | buf,buf->vb.i); | |
212 | ||
213 | } else if (prev->vb.width == buf->vb.width && | |
214 | prev->vb.height == buf->vb.height && | |
215 | prev->fmt == buf->fmt) { | |
216 | list_del(&buf->vb.queue); | |
217 | list_add_tail(&buf->vb.queue,&q->active); | |
0fc0686e | 218 | buf->vb.state = VIDEOBUF_ACTIVE; |
b930e1d8 MK |
219 | buf->count = q->count++; |
220 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
221 | dprintk(1,"[%p/%d] restart_queue - move to active\n", | |
222 | buf,buf->vb.i); | |
223 | } else { | |
224 | return 0; | |
225 | } | |
226 | prev = buf; | |
227 | } | |
1da177e4 | 228 | return 0; |
b45009b0 | 229 | } |
1da177e4 LT |
230 | |
231 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
232 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
233 | buf, buf->vb.i); | |
234 | cx8802_start_dma(dev, q, buf); | |
89a47942 | 235 | list_for_each_entry(buf, &q->active, vb.queue) |
1da177e4 | 236 | buf->count = q->count++; |
1da177e4 LT |
237 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
238 | return 0; | |
239 | } | |
240 | ||
241 | /* ------------------------------------------------------------------ */ | |
242 | ||
c7b0ac05 MCC |
243 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
244 | struct cx88_buffer *buf, enum v4l2_field field) | |
1da177e4 LT |
245 | { |
246 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
c1accaa2 | 247 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
1da177e4 LT |
248 | int rc; |
249 | ||
32d83efc | 250 | dprintk(1, "%s: %p\n", __func__, buf); |
1da177e4 LT |
251 | if (0 != buf->vb.baddr && buf->vb.bsize < size) |
252 | return -EINVAL; | |
253 | ||
0fc0686e | 254 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
1da177e4 LT |
255 | buf->vb.width = dev->ts_packet_size; |
256 | buf->vb.height = dev->ts_packet_count; | |
257 | buf->vb.size = size; | |
31629424 | 258 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
1da177e4 | 259 | |
c7b0ac05 | 260 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
1da177e4 LT |
261 | goto fail; |
262 | cx88_risc_databuffer(dev->pci, &buf->risc, | |
c1accaa2 | 263 | dma->sglist, |
05b27233 | 264 | buf->vb.width, buf->vb.height, 0); |
1da177e4 | 265 | } |
0fc0686e | 266 | buf->vb.state = VIDEOBUF_PREPARED; |
1da177e4 LT |
267 | return 0; |
268 | ||
269 | fail: | |
c7b0ac05 | 270 | cx88_free_buffer(q,buf); |
1da177e4 LT |
271 | return rc; |
272 | } | |
273 | ||
274 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
275 | { | |
276 | struct cx88_buffer *prev; | |
c7b0ac05 | 277 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
1da177e4 | 278 | |
b45009b0 | 279 | dprintk( 1, "cx8802_buf_queue\n" ); |
1da177e4 LT |
280 | /* add jump to stopper */ |
281 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
c7b0ac05 | 282 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
1da177e4 | 283 | |
c7b0ac05 | 284 | if (list_empty(&cx88q->active)) { |
76d313bf | 285 | dprintk( 1, "queue is empty - first active\n" ); |
c7b0ac05 MCC |
286 | list_add_tail(&buf->vb.queue,&cx88q->active); |
287 | cx8802_start_dma(dev, cx88q, buf); | |
0fc0686e | 288 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 MCC |
289 | buf->count = cx88q->count++; |
290 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); | |
76d313bf | 291 | dprintk(1,"[%p/%d] %s - first active\n", |
32d83efc | 292 | buf, buf->vb.i, __func__); |
1da177e4 LT |
293 | |
294 | } else { | |
b45009b0 | 295 | dprintk( 1, "queue is not empty - append to active\n" ); |
c7b0ac05 MCC |
296 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
297 | list_add_tail(&buf->vb.queue,&cx88q->active); | |
0fc0686e | 298 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 | 299 | buf->count = cx88q->count++; |
1da177e4 | 300 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
b45009b0 | 301 | dprintk( 1, "[%p/%d] %s - append to active\n", |
32d83efc | 302 | buf, buf->vb.i, __func__); |
1da177e4 LT |
303 | } |
304 | } | |
305 | ||
306 | /* ----------------------------------------------------------- */ | |
307 | ||
308 | static void do_cancel_buffers(struct cx8802_dev *dev, char *reason, int restart) | |
309 | { | |
310 | struct cx88_dmaqueue *q = &dev->mpegq; | |
311 | struct cx88_buffer *buf; | |
312 | unsigned long flags; | |
313 | ||
314 | spin_lock_irqsave(&dev->slock,flags); | |
315 | while (!list_empty(&q->active)) { | |
316 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
317 | list_del(&buf->vb.queue); | |
0fc0686e | 318 | buf->vb.state = VIDEOBUF_ERROR; |
1da177e4 LT |
319 | wake_up(&buf->vb.done); |
320 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | |
321 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | |
322 | } | |
323 | if (restart) | |
b45009b0 | 324 | { |
76d313bf | 325 | dprintk(1, "restarting queue\n" ); |
1da177e4 | 326 | cx8802_restart_queue(dev,q); |
b45009b0 | 327 | } |
1da177e4 LT |
328 | spin_unlock_irqrestore(&dev->slock,flags); |
329 | } | |
330 | ||
331 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
332 | { | |
333 | struct cx88_dmaqueue *q = &dev->mpegq; | |
334 | ||
b45009b0 | 335 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 LT |
336 | del_timer_sync(&q->timeout); |
337 | cx8802_stop_dma(dev); | |
338 | do_cancel_buffers(dev,"cancel",0); | |
339 | } | |
340 | ||
341 | static void cx8802_timeout(unsigned long data) | |
342 | { | |
343 | struct cx8802_dev *dev = (struct cx8802_dev*)data; | |
344 | ||
32d83efc | 345 | dprintk(1, "%s\n",__func__); |
1da177e4 LT |
346 | |
347 | if (debug) | |
348 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
349 | cx8802_stop_dma(dev); | |
350 | do_cancel_buffers(dev,"timeout",1); | |
351 | } | |
352 | ||
41ef7c1e MCC |
353 | static char *cx88_mpeg_irqs[32] = { |
354 | "ts_risci1", NULL, NULL, NULL, | |
355 | "ts_risci2", NULL, NULL, NULL, | |
356 | "ts_oflow", NULL, NULL, NULL, | |
357 | "ts_sync", NULL, NULL, NULL, | |
358 | "opc_err", "par_err", "rip_err", "pci_abort", | |
359 | "ts_err?", | |
360 | }; | |
361 | ||
1da177e4 LT |
362 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
363 | { | |
364 | struct cx88_core *core = dev->core; | |
365 | u32 status, mask, count; | |
366 | ||
b45009b0 | 367 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
368 | status = cx_read(MO_TS_INTSTAT); |
369 | mask = cx_read(MO_TS_INTMSK); | |
370 | if (0 == (status & mask)) | |
371 | return; | |
372 | ||
373 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 374 | |
1da177e4 LT |
375 | if (debug || (status & mask & ~0xff)) |
376 | cx88_print_irqbits(core->name, "irq mpeg ", | |
66623a04 MCC |
377 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
378 | status, mask); | |
1da177e4 LT |
379 | |
380 | /* risc op code error */ | |
381 | if (status & (1 << 16)) { | |
382 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
383 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
384 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
385 | } | |
386 | ||
387 | /* risc1 y */ | |
388 | if (status & 0x01) { | |
b45009b0 | 389 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
390 | spin_lock(&dev->slock); |
391 | count = cx_read(MO_TS_GPCNT); | |
392 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
393 | spin_unlock(&dev->slock); | |
394 | } | |
395 | ||
396 | /* risc2 y */ | |
397 | if (status & 0x10) { | |
398 | spin_lock(&dev->slock); | |
399 | cx8802_restart_queue(dev,&dev->mpegq); | |
400 | spin_unlock(&dev->slock); | |
401 | } | |
402 | ||
4ac97914 MCC |
403 | /* other general errors */ |
404 | if (status & 0x1f0100) { | |
b45009b0 | 405 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
4ac97914 | 406 | spin_lock(&dev->slock); |
1da177e4 | 407 | cx8802_stop_dma(dev); |
4ac97914 MCC |
408 | cx8802_restart_queue(dev,&dev->mpegq); |
409 | spin_unlock(&dev->slock); | |
410 | } | |
1da177e4 LT |
411 | } |
412 | ||
b45009b0 MCC |
413 | #define MAX_IRQ_LOOP 10 |
414 | ||
7d12e780 | 415 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
1da177e4 LT |
416 | { |
417 | struct cx8802_dev *dev = dev_id; | |
418 | struct cx88_core *core = dev->core; | |
419 | u32 status; | |
420 | int loop, handled = 0; | |
421 | ||
b45009b0 | 422 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
8ddac9ee TP |
423 | status = cx_read(MO_PCI_INTSTAT) & |
424 | (core->pci_irqmask | PCI_INT_TSINT); | |
1da177e4 LT |
425 | if (0 == status) |
426 | goto out; | |
b45009b0 MCC |
427 | dprintk( 1, "cx8802_irq\n" ); |
428 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
429 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
430 | handled = 1; |
431 | cx_write(MO_PCI_INTSTAT, status); | |
432 | ||
433 | if (status & core->pci_irqmask) | |
434 | cx88_core_irq(core,status); | |
8ddac9ee | 435 | if (status & PCI_INT_TSINT) |
1da177e4 LT |
436 | cx8802_mpeg_irq(dev); |
437 | }; | |
b45009b0 MCC |
438 | if (MAX_IRQ_LOOP == loop) { |
439 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
440 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
441 | core->name); | |
442 | cx_write(MO_PCI_INTMSK,0); | |
443 | } | |
444 | ||
445 | out: | |
446 | return IRQ_RETVAL(handled); | |
447 | } | |
448 | ||
a2fbaa51 | 449 | static int cx8802_init_common(struct cx8802_dev *dev) |
1da177e4 LT |
450 | { |
451 | struct cx88_core *core = dev->core; | |
452 | int err; | |
453 | ||
454 | /* pci init */ | |
455 | if (pci_enable_device(dev->pci)) | |
456 | return -EIO; | |
457 | pci_set_master(dev->pci); | |
aaa40cb8 | 458 | if (!pci_dma_supported(dev->pci,DMA_32BIT_MASK)) { |
1da177e4 LT |
459 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
460 | return -EIO; | |
461 | } | |
462 | ||
463 | pci_read_config_byte(dev->pci, PCI_CLASS_REVISION, &dev->pci_rev); | |
4ac97914 MCC |
464 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
465 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
228aef63 | 466 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
1da177e4 | 467 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
228aef63 | 468 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
1da177e4 LT |
469 | |
470 | /* initialize driver struct */ | |
1da177e4 LT |
471 | spin_lock_init(&dev->slock); |
472 | ||
473 | /* init dma queue */ | |
474 | INIT_LIST_HEAD(&dev->mpegq.active); | |
475 | INIT_LIST_HEAD(&dev->mpegq.queued); | |
476 | dev->mpegq.timeout.function = cx8802_timeout; | |
477 | dev->mpegq.timeout.data = (unsigned long)dev; | |
478 | init_timer(&dev->mpegq.timeout); | |
479 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, | |
480 | MO_TS_DMACNTRL,0x11,0x00); | |
481 | ||
482 | /* get irq */ | |
483 | err = request_irq(dev->pci->irq, cx8802_irq, | |
8076fe32 | 484 | IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev); |
1da177e4 LT |
485 | if (err < 0) { |
486 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
487 | dev->core->name, dev->pci->irq); | |
488 | return err; | |
489 | } | |
490 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
491 | ||
492 | /* everything worked */ | |
493 | pci_set_drvdata(dev->pci,dev); | |
494 | return 0; | |
495 | } | |
496 | ||
a2fbaa51 | 497 | static void cx8802_fini_common(struct cx8802_dev *dev) |
1da177e4 | 498 | { |
b45009b0 | 499 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
500 | cx8802_stop_dma(dev); |
501 | pci_disable_device(dev->pci); | |
502 | ||
503 | /* unregister stuff */ | |
504 | free_irq(dev->pci->irq, dev); | |
505 | pci_set_drvdata(dev->pci, NULL); | |
506 | ||
507 | /* free memory */ | |
508 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); | |
509 | } | |
510 | ||
511 | /* ----------------------------------------------------------- */ | |
512 | ||
a2fbaa51 | 513 | static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) |
1da177e4 | 514 | { |
4ac97914 | 515 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
516 | struct cx88_core *core = dev->core; |
517 | ||
518 | /* stop mpeg dma */ | |
519 | spin_lock(&dev->slock); | |
520 | if (!list_empty(&dev->mpegq.active)) { | |
b45009b0 | 521 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
522 | printk("%s: suspend mpeg\n", core->name); |
523 | cx8802_stop_dma(dev); | |
524 | del_timer(&dev->mpegq.timeout); | |
525 | } | |
526 | spin_unlock(&dev->slock); | |
527 | ||
1da177e4 LT |
528 | /* FIXME -- shutdown device */ |
529 | cx88_shutdown(dev->core); | |
1da177e4 LT |
530 | |
531 | pci_save_state(pci_dev); | |
532 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
533 | pci_disable_device(pci_dev); | |
534 | dev->state.disabled = 1; | |
535 | } | |
536 | return 0; | |
537 | } | |
538 | ||
a2fbaa51 | 539 | static int cx8802_resume_common(struct pci_dev *pci_dev) |
1da177e4 | 540 | { |
08adb9e2 | 541 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 542 | struct cx88_core *core = dev->core; |
08adb9e2 | 543 | int err; |
1da177e4 LT |
544 | |
545 | if (dev->state.disabled) { | |
08adb9e2 MCC |
546 | err=pci_enable_device(pci_dev); |
547 | if (err) { | |
548 | printk(KERN_ERR "%s: can't enable device\n", | |
549 | dev->core->name); | |
550 | return err; | |
551 | } | |
1da177e4 LT |
552 | dev->state.disabled = 0; |
553 | } | |
08adb9e2 MCC |
554 | err=pci_set_power_state(pci_dev, PCI_D0); |
555 | if (err) { | |
556 | printk(KERN_ERR "%s: can't enable device\n", | |
557 | dev->core->name); | |
558 | pci_disable_device(pci_dev); | |
559 | dev->state.disabled = 1; | |
560 | ||
561 | return err; | |
562 | } | |
1da177e4 LT |
563 | pci_restore_state(pci_dev); |
564 | ||
1da177e4 LT |
565 | /* FIXME: re-initialize hardware */ |
566 | cx88_reset(dev->core); | |
1da177e4 LT |
567 | |
568 | /* restart video+vbi capture */ | |
569 | spin_lock(&dev->slock); | |
570 | if (!list_empty(&dev->mpegq.active)) { | |
571 | printk("%s: resume mpeg\n", core->name); | |
572 | cx8802_restart_queue(dev,&dev->mpegq); | |
573 | } | |
574 | spin_unlock(&dev->slock); | |
575 | ||
576 | return 0; | |
577 | } | |
578 | ||
7717cbed TP |
579 | #if defined(CONFIG_VIDEO_CX88_BLACKBIRD) || \ |
580 | defined(CONFIG_VIDEO_CX88_BLACKBIRD_MODULE) | |
bec43661 | 581 | struct cx8802_dev *cx8802_get_device(int minor) |
6c5be74c | 582 | { |
89a47942 | 583 | struct cx8802_dev *dev; |
6c5be74c | 584 | |
89a47942 TP |
585 | list_for_each_entry(dev, &cx8802_devlist, devlist) |
586 | if (dev->mpeg_dev && dev->mpeg_dev->minor == minor) | |
587 | return dev; | |
6c5be74c ST |
588 | |
589 | return NULL; | |
590 | } | |
7717cbed TP |
591 | EXPORT_SYMBOL(cx8802_get_device); |
592 | #endif | |
6c5be74c ST |
593 | |
594 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) | |
595 | { | |
081c2fc8 | 596 | struct cx8802_driver *d; |
6c5be74c | 597 | |
89a47942 | 598 | list_for_each_entry(d, &dev->drvlist, drvlist) |
081c2fc8 TP |
599 | if (d->type_id == btype) |
600 | return d; | |
6c5be74c ST |
601 | |
602 | return NULL; | |
603 | } | |
604 | ||
605 | /* Driver asked for hardware access. */ | |
9df2ead5 | 606 | static int cx8802_request_acquire(struct cx8802_driver *drv) |
6c5be74c ST |
607 | { |
608 | struct cx88_core *core = drv->core; | |
609 | ||
610 | /* Fail a request for hardware if the device is busy. */ | |
27d0fe18 RS |
611 | if (core->active_type_id != CX88_BOARD_NONE && |
612 | core->active_type_id != drv->type_id) | |
6c5be74c ST |
613 | return -EBUSY; |
614 | ||
c2cb8fcc MCC |
615 | core->input = CX88_VMUX_DVB; |
616 | ||
6c5be74c ST |
617 | if (drv->advise_acquire) |
618 | { | |
27d0fe18 | 619 | mutex_lock(&drv->core->lock); |
baff6cdd | 620 | core->active_ref++; |
27d0fe18 RS |
621 | if (core->active_type_id == CX88_BOARD_NONE) { |
622 | core->active_type_id = drv->type_id; | |
623 | drv->advise_acquire(drv); | |
624 | } | |
625 | mutex_unlock(&drv->core->lock); | |
6c5be74c | 626 | |
32d83efc | 627 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
628 | } |
629 | ||
630 | return 0; | |
631 | } | |
632 | ||
633 | /* Driver asked to release hardware. */ | |
9df2ead5 | 634 | static int cx8802_request_release(struct cx8802_driver *drv) |
6c5be74c ST |
635 | { |
636 | struct cx88_core *core = drv->core; | |
637 | ||
baff6cdd | 638 | mutex_lock(&drv->core->lock); |
27d0fe18 | 639 | if (drv->advise_release && --core->active_ref == 0) |
6c5be74c ST |
640 | { |
641 | drv->advise_release(drv); | |
642 | core->active_type_id = CX88_BOARD_NONE; | |
32d83efc | 643 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c | 644 | } |
baff6cdd | 645 | mutex_unlock(&drv->core->lock); |
6c5be74c ST |
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 | { | |
89a47942 | 674 | struct cx8802_dev *dev; |
6c5be74c | 675 | struct cx8802_driver *driver; |
89a47942 | 676 | int err, i = 0; |
6c5be74c | 677 | |
5772f813 TP |
678 | printk(KERN_INFO |
679 | "cx88/2: registering cx8802 driver, type: %s access: %s\n", | |
680 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
681 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c ST |
682 | |
683 | if ((err = cx8802_check_driver(drv)) != 0) { | |
5772f813 | 684 | printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n"); |
6c5be74c ST |
685 | return err; |
686 | } | |
687 | ||
89a47942 | 688 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
689 | printk(KERN_INFO |
690 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
691 | dev->core->name, dev->pci->subsystem_vendor, |
692 | dev->pci->subsystem_device, dev->core->board.name, | |
693 | dev->core->boardnr); | |
6c5be74c ST |
694 | |
695 | /* Bring up a new struct for each driver instance */ | |
696 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); | |
697 | if (driver == NULL) | |
698 | return -ENOMEM; | |
699 | ||
700 | /* Snapshot of the driver registration data */ | |
89a47942 | 701 | drv->core = dev->core; |
6c5be74c ST |
702 | drv->suspend = cx8802_suspend_common; |
703 | drv->resume = cx8802_resume_common; | |
704 | drv->request_acquire = cx8802_request_acquire; | |
705 | drv->request_release = cx8802_request_release; | |
706 | memcpy(driver, drv, sizeof(*driver)); | |
707 | ||
708 | err = drv->probe(driver); | |
709 | if (err == 0) { | |
019391e4 | 710 | i++; |
6c5be74c | 711 | mutex_lock(&drv->core->lock); |
89a47942 | 712 | list_add_tail(&driver->drvlist, &dev->drvlist); |
6c5be74c ST |
713 | mutex_unlock(&drv->core->lock); |
714 | } else { | |
5772f813 TP |
715 | printk(KERN_ERR |
716 | "%s/2: cx8802 probe failed, err = %d\n", | |
89a47942 | 717 | dev->core->name, err); |
6c5be74c ST |
718 | } |
719 | ||
720 | } | |
6c5be74c | 721 | |
89a47942 | 722 | return i ? 0 : -ENODEV; |
6c5be74c ST |
723 | } |
724 | ||
725 | int cx8802_unregister_driver(struct cx8802_driver *drv) | |
726 | { | |
89a47942 TP |
727 | struct cx8802_dev *dev; |
728 | struct cx8802_driver *d, *dtmp; | |
729 | int err = 0; | |
6c5be74c | 730 | |
5772f813 TP |
731 | printk(KERN_INFO |
732 | "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", | |
733 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
734 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c | 735 | |
89a47942 | 736 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
737 | printk(KERN_INFO |
738 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
739 | dev->core->name, dev->pci->subsystem_vendor, |
740 | dev->pci->subsystem_device, dev->core->board.name, | |
741 | dev->core->boardnr); | |
6c5be74c | 742 | |
89a47942 | 743 | list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { |
6c5be74c ST |
744 | /* only unregister the correct driver type */ |
745 | if (d->type_id != drv->type_id) | |
746 | continue; | |
747 | ||
748 | err = d->remove(d); | |
749 | if (err == 0) { | |
750 | mutex_lock(&drv->core->lock); | |
89a47942 | 751 | list_del(&d->drvlist); |
6c5be74c | 752 | mutex_unlock(&drv->core->lock); |
a04036a3 | 753 | kfree(d); |
6c5be74c | 754 | } else |
5772f813 | 755 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
89a47942 | 756 | "failed (%d)\n", dev->core->name, err); |
6c5be74c ST |
757 | } |
758 | ||
759 | } | |
760 | ||
761 | return err; | |
762 | } | |
763 | ||
1da177e4 | 764 | /* ----------------------------------------------------------- */ |
6c5be74c ST |
765 | static int __devinit cx8802_probe(struct pci_dev *pci_dev, |
766 | const struct pci_device_id *pci_id) | |
767 | { | |
768 | struct cx8802_dev *dev; | |
769 | struct cx88_core *core; | |
9212a572 | 770 | int err; |
6c5be74c ST |
771 | |
772 | /* general setup */ | |
773 | core = cx88_core_get(pci_dev); | |
774 | if (NULL == core) | |
775 | return -EINVAL; | |
776 | ||
777 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); | |
778 | ||
779 | err = -ENODEV; | |
6a59d64c | 780 | if (!core->board.mpeg) |
6c5be74c ST |
781 | goto fail_core; |
782 | ||
783 | err = -ENOMEM; | |
784 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | |
785 | if (NULL == dev) | |
786 | goto fail_core; | |
787 | dev->pci = pci_dev; | |
788 | dev->core = core; | |
789 | ||
e32fadc4 MCC |
790 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
791 | core->dvbdev = dev; | |
792 | ||
6c5be74c ST |
793 | err = cx8802_init_common(dev); |
794 | if (err != 0) | |
795 | goto fail_free; | |
796 | ||
081c2fc8 | 797 | INIT_LIST_HEAD(&dev->drvlist); |
6c5be74c | 798 | list_add_tail(&dev->devlist,&cx8802_devlist); |
1da177e4 | 799 | |
77b74774 MR |
800 | /* now autoload cx88-dvb or cx88-blackbird */ |
801 | request_modules(dev); | |
6c5be74c ST |
802 | return 0; |
803 | ||
804 | fail_free: | |
805 | kfree(dev); | |
806 | fail_core: | |
e32fadc4 | 807 | core->dvbdev = NULL; |
6c5be74c ST |
808 | cx88_core_put(core,pci_dev); |
809 | return err; | |
810 | } | |
811 | ||
812 | static void __devexit cx8802_remove(struct pci_dev *pci_dev) | |
813 | { | |
814 | struct cx8802_dev *dev; | |
6c5be74c ST |
815 | |
816 | dev = pci_get_drvdata(pci_dev); | |
817 | ||
32d83efc | 818 | dprintk( 1, "%s\n", __func__); |
6c5be74c | 819 | |
081c2fc8 | 820 | if (!list_empty(&dev->drvlist)) { |
89a47942 | 821 | struct cx8802_driver *drv, *tmp; |
081c2fc8 TP |
822 | int err; |
823 | ||
824 | printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " | |
825 | "while cx8802 sub-drivers still loaded?!\n", | |
826 | dev->core->name); | |
827 | ||
89a47942 | 828 | list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { |
081c2fc8 TP |
829 | err = drv->remove(drv); |
830 | if (err == 0) { | |
831 | mutex_lock(&drv->core->lock); | |
89a47942 | 832 | list_del(&drv->drvlist); |
081c2fc8 TP |
833 | mutex_unlock(&drv->core->lock); |
834 | } else | |
835 | printk(KERN_ERR "%s/2: cx8802 driver remove " | |
836 | "failed (%d)\n", dev->core->name, err); | |
a04036a3 | 837 | kfree(drv); |
6c5be74c | 838 | } |
6c5be74c ST |
839 | } |
840 | ||
841 | /* Destroy any 8802 reference. */ | |
842 | dev->core->dvbdev = NULL; | |
843 | ||
844 | /* common */ | |
845 | cx8802_fini_common(dev); | |
846 | cx88_core_put(dev->core,dev->pci); | |
847 | kfree(dev); | |
848 | } | |
849 | ||
850 | static struct pci_device_id cx8802_pci_tbl[] = { | |
851 | { | |
852 | .vendor = 0x14f1, | |
853 | .device = 0x8802, | |
854 | .subvendor = PCI_ANY_ID, | |
855 | .subdevice = PCI_ANY_ID, | |
856 | },{ | |
857 | /* --- end of list --- */ | |
858 | } | |
859 | }; | |
860 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
861 | ||
862 | static struct pci_driver cx8802_pci_driver = { | |
863 | .name = "cx88-mpeg driver manager", | |
864 | .id_table = cx8802_pci_tbl, | |
865 | .probe = cx8802_probe, | |
866 | .remove = __devexit_p(cx8802_remove), | |
867 | }; | |
868 | ||
869 | static int cx8802_init(void) | |
870 | { | |
5772f813 | 871 | printk(KERN_INFO "cx88/2: cx2388x MPEG-TS Driver Manager version %d.%d.%d loaded\n", |
6c5be74c ST |
872 | (CX88_VERSION_CODE >> 16) & 0xff, |
873 | (CX88_VERSION_CODE >> 8) & 0xff, | |
874 | CX88_VERSION_CODE & 0xff); | |
875 | #ifdef SNAPSHOT | |
876 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
877 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
878 | #endif | |
879 | return pci_register_driver(&cx8802_pci_driver); | |
880 | } | |
881 | ||
882 | static void cx8802_fini(void) | |
883 | { | |
884 | pci_unregister_driver(&cx8802_pci_driver); | |
885 | } | |
886 | ||
887 | module_init(cx8802_init); | |
888 | module_exit(cx8802_fini); | |
1da177e4 LT |
889 | EXPORT_SYMBOL(cx8802_buf_prepare); |
890 | EXPORT_SYMBOL(cx8802_buf_queue); | |
891 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
892 | ||
6c5be74c ST |
893 | EXPORT_SYMBOL(cx8802_register_driver); |
894 | EXPORT_SYMBOL(cx8802_unregister_driver); | |
6c5be74c | 895 | EXPORT_SYMBOL(cx8802_get_driver); |
1da177e4 LT |
896 | /* ----------------------------------------------------------- */ |
897 | /* | |
898 | * Local variables: | |
899 | * c-basic-offset: 8 | |
900 | * End: | |
b45009b0 | 901 | * 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 | 902 | */ |