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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 | * | |
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> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
1da177e4 LT |
27 | #include <linux/init.h> |
28 | #include <linux/device.h> | |
c24228da | 29 | #include <linux/dma-mapping.h> |
1da177e4 LT |
30 | #include <linux/interrupt.h> |
31 | #include <asm/delay.h> | |
32 | ||
33 | #include "cx88.h" | |
34 | ||
35 | /* ------------------------------------------------------------------ */ | |
36 | ||
37 | MODULE_DESCRIPTION("mpeg driver for cx2388x based TV cards"); | |
f8de18d4 | 38 | MODULE_AUTHOR("Jelle Foks <jelle@foks.us>"); |
1da177e4 LT |
39 | MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>"); |
40 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
41 | MODULE_LICENSE("GPL"); | |
42 | ||
ff699e6b | 43 | static unsigned int debug; |
1da177e4 LT |
44 | module_param(debug,int,0644); |
45 | MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); | |
46 | ||
47 | #define dprintk(level,fmt, arg...) if (debug >= level) \ | |
6c5be74c | 48 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg) |
1da177e4 | 49 | |
6c5be74c ST |
50 | #define mpeg_dbg(level,fmt, arg...) if (debug >= level) \ |
51 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg) | |
52 | ||
77b74774 MR |
53 | #if defined(CONFIG_MODULES) && defined(MODULE) |
54 | static void request_module_async(struct work_struct *work) | |
55 | { | |
56 | struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk); | |
ced80c67 | 57 | |
6a59d64c | 58 | if (dev->core->board.mpeg & CX88_MPEG_DVB) |
77b74774 | 59 | request_module("cx88-dvb"); |
6a59d64c | 60 | if (dev->core->board.mpeg & CX88_MPEG_BLACKBIRD) |
ced80c67 | 61 | request_module("cx88-blackbird"); |
77b74774 MR |
62 | } |
63 | ||
64 | static void request_modules(struct cx8802_dev *dev) | |
65 | { | |
66 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
67 | schedule_work(&dev->request_module_wk); | |
68 | } | |
69 | #else | |
70 | #define request_modules(dev) | |
71 | #endif /* CONFIG_MODULES */ | |
72 | ||
73 | ||
6c5be74c | 74 | static LIST_HEAD(cx8802_devlist); |
1da177e4 LT |
75 | /* ------------------------------------------------------------------ */ |
76 | ||
77 | static int cx8802_start_dma(struct cx8802_dev *dev, | |
78 | struct cx88_dmaqueue *q, | |
79 | struct cx88_buffer *buf) | |
80 | { | |
81 | struct cx88_core *core = dev->core; | |
82 | ||
7717cbed TP |
83 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", |
84 | buf->vb.width, buf->vb.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) && | |
6a59d64c | 99 | (core->board.mpeg & CX88_MPEG_DVB) ) { |
6c5be74c ST |
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); | |
60464da8 | 106 | cx_write(TS_HW_SOP_CNTRL, 0x47<<16|188<<4|0x01); |
6a59d64c | 107 | switch (core->boardnr) { |
e52e98a7 MCC |
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; |
4f3ca2f1 DH |
114 | case CX88_BOARD_SAMSUNG_SMT_7020: |
115 | cx_write(TS_SOP_STAT, 0x00); | |
116 | break; | |
0fa14aa6 ST |
117 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: |
118 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: | |
119 | cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */ | |
120 | udelay(100); | |
121 | break; | |
6c5be74c | 122 | case CX88_BOARD_HAUPPAUGE_HVR1300: |
337ab6d3 SS |
123 | /* Enable MPEG parallel IO and video signal pins */ |
124 | cx_write(MO_PINMUX_IO, 0x88); | |
125 | cx_write(TS_SOP_STAT, 0); | |
126 | cx_write(TS_VALERR_CNTRL, 0); | |
6c5be74c | 127 | break; |
60464da8 | 128 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
4917019d ST |
129 | /* Enable MPEG parallel IO and video signal pins */ |
130 | cx_write(MO_PINMUX_IO, 0x88); | |
131 | cx_write(TS_HW_SOP_CNTRL, (0x47 << 16) | (188 << 4)); | |
132 | dev->ts_gen_cntrl = 5; | |
133 | cx_write(TS_SOP_STAT, 0); | |
134 | cx_write(TS_VALERR_CNTRL, 0); | |
60464da8 ST |
135 | udelay(100); |
136 | break; | |
e52e98a7 | 137 | default: |
41ef7c1e | 138 | cx_write(TS_SOP_STAT, 0x00); |
e52e98a7 | 139 | break; |
f1798495 | 140 | } |
1da177e4 LT |
141 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
142 | udelay(100); | |
6c5be74c | 143 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
6a59d64c | 144 | (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) { |
6c5be74c | 145 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); |
1da177e4 LT |
146 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
147 | ||
1da177e4 LT |
148 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
149 | udelay(100); | |
150 | ||
151 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ | |
1da177e4 LT |
152 | cx_write(TS_VALERR_CNTRL, 0x2000); |
153 | ||
154 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ | |
155 | udelay(100); | |
6c5be74c | 156 | } else { |
32d83efc | 157 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__, |
6a59d64c | 158 | core->board.mpeg ); |
6c5be74c | 159 | return -EINVAL; |
1da177e4 | 160 | } |
1da177e4 LT |
161 | |
162 | /* reset counter */ | |
163 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
164 | q->count = 1; | |
165 | ||
166 | /* enable irqs */ | |
76d313bf | 167 | dprintk( 1, "setting the interrupt mask\n" ); |
8ddac9ee | 168 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT); |
b45009b0 | 169 | cx_set(MO_TS_INTMSK, 0x1f0011); |
1da177e4 LT |
170 | |
171 | /* start dma */ | |
b45009b0 MCC |
172 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
173 | cx_set(MO_TS_DMACNTRL, 0x11); | |
1da177e4 LT |
174 | return 0; |
175 | } | |
176 | ||
177 | static int cx8802_stop_dma(struct cx8802_dev *dev) | |
178 | { | |
179 | struct cx88_core *core = dev->core; | |
76d313bf | 180 | dprintk( 1, "cx8802_stop_dma\n" ); |
1da177e4 LT |
181 | |
182 | /* stop dma */ | |
183 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
184 | ||
185 | /* disable irqs */ | |
8ddac9ee | 186 | cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT); |
1da177e4 LT |
187 | cx_clear(MO_TS_INTMSK, 0x1f0011); |
188 | ||
189 | /* Reset the controller */ | |
190 | cx_write(TS_GEN_CNTRL, 0xcd); | |
191 | return 0; | |
192 | } | |
193 | ||
194 | static int cx8802_restart_queue(struct cx8802_dev *dev, | |
195 | struct cx88_dmaqueue *q) | |
196 | { | |
197 | struct cx88_buffer *buf; | |
1da177e4 | 198 | |
b930e1d8 | 199 | dprintk( 1, "cx8802_restart_queue\n" ); |
1da177e4 | 200 | if (list_empty(&q->active)) |
b45009b0 | 201 | { |
b930e1d8 MK |
202 | struct cx88_buffer *prev; |
203 | prev = NULL; | |
204 | ||
205 | dprintk(1, "cx8802_restart_queue: queue is empty\n" ); | |
206 | ||
207 | for (;;) { | |
208 | if (list_empty(&q->queued)) | |
209 | return 0; | |
210 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); | |
211 | if (NULL == prev) { | |
212 | list_del(&buf->vb.queue); | |
213 | list_add_tail(&buf->vb.queue,&q->active); | |
214 | cx8802_start_dma(dev, q, buf); | |
0fc0686e | 215 | buf->vb.state = VIDEOBUF_ACTIVE; |
b930e1d8 MK |
216 | buf->count = q->count++; |
217 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
218 | dprintk(1,"[%p/%d] restart_queue - first active\n", | |
219 | buf,buf->vb.i); | |
220 | ||
221 | } else if (prev->vb.width == buf->vb.width && | |
222 | prev->vb.height == buf->vb.height && | |
223 | prev->fmt == buf->fmt) { | |
224 | list_del(&buf->vb.queue); | |
225 | list_add_tail(&buf->vb.queue,&q->active); | |
0fc0686e | 226 | buf->vb.state = VIDEOBUF_ACTIVE; |
b930e1d8 MK |
227 | buf->count = q->count++; |
228 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
229 | dprintk(1,"[%p/%d] restart_queue - move to active\n", | |
230 | buf,buf->vb.i); | |
231 | } else { | |
232 | return 0; | |
233 | } | |
234 | prev = buf; | |
235 | } | |
1da177e4 | 236 | return 0; |
b45009b0 | 237 | } |
1da177e4 LT |
238 | |
239 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
240 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
241 | buf, buf->vb.i); | |
242 | cx8802_start_dma(dev, q, buf); | |
89a47942 | 243 | list_for_each_entry(buf, &q->active, vb.queue) |
1da177e4 | 244 | buf->count = q->count++; |
1da177e4 LT |
245 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
246 | return 0; | |
247 | } | |
248 | ||
249 | /* ------------------------------------------------------------------ */ | |
250 | ||
c7b0ac05 MCC |
251 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
252 | struct cx88_buffer *buf, enum v4l2_field field) | |
1da177e4 LT |
253 | { |
254 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
c1accaa2 | 255 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
1da177e4 LT |
256 | int rc; |
257 | ||
32d83efc | 258 | dprintk(1, "%s: %p\n", __func__, buf); |
1da177e4 LT |
259 | if (0 != buf->vb.baddr && buf->vb.bsize < size) |
260 | return -EINVAL; | |
261 | ||
0fc0686e | 262 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
1da177e4 LT |
263 | buf->vb.width = dev->ts_packet_size; |
264 | buf->vb.height = dev->ts_packet_count; | |
265 | buf->vb.size = size; | |
31629424 | 266 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
1da177e4 | 267 | |
c7b0ac05 | 268 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
1da177e4 LT |
269 | goto fail; |
270 | cx88_risc_databuffer(dev->pci, &buf->risc, | |
c1accaa2 | 271 | dma->sglist, |
05b27233 | 272 | buf->vb.width, buf->vb.height, 0); |
1da177e4 | 273 | } |
0fc0686e | 274 | buf->vb.state = VIDEOBUF_PREPARED; |
1da177e4 LT |
275 | return 0; |
276 | ||
277 | fail: | |
c7b0ac05 | 278 | cx88_free_buffer(q,buf); |
1da177e4 LT |
279 | return rc; |
280 | } | |
281 | ||
282 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
283 | { | |
284 | struct cx88_buffer *prev; | |
c7b0ac05 | 285 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
1da177e4 | 286 | |
b45009b0 | 287 | dprintk( 1, "cx8802_buf_queue\n" ); |
1da177e4 LT |
288 | /* add jump to stopper */ |
289 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
c7b0ac05 | 290 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
1da177e4 | 291 | |
c7b0ac05 | 292 | if (list_empty(&cx88q->active)) { |
76d313bf | 293 | dprintk( 1, "queue is empty - first active\n" ); |
c7b0ac05 MCC |
294 | list_add_tail(&buf->vb.queue,&cx88q->active); |
295 | cx8802_start_dma(dev, cx88q, buf); | |
0fc0686e | 296 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 MCC |
297 | buf->count = cx88q->count++; |
298 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); | |
76d313bf | 299 | dprintk(1,"[%p/%d] %s - first active\n", |
32d83efc | 300 | buf, buf->vb.i, __func__); |
1da177e4 LT |
301 | |
302 | } else { | |
b45009b0 | 303 | dprintk( 1, "queue is not empty - append to active\n" ); |
c7b0ac05 MCC |
304 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
305 | list_add_tail(&buf->vb.queue,&cx88q->active); | |
0fc0686e | 306 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 | 307 | buf->count = cx88q->count++; |
1da177e4 | 308 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
b45009b0 | 309 | dprintk( 1, "[%p/%d] %s - append to active\n", |
32d83efc | 310 | buf, buf->vb.i, __func__); |
1da177e4 LT |
311 | } |
312 | } | |
313 | ||
314 | /* ----------------------------------------------------------- */ | |
315 | ||
316 | static void do_cancel_buffers(struct cx8802_dev *dev, char *reason, int restart) | |
317 | { | |
318 | struct cx88_dmaqueue *q = &dev->mpegq; | |
319 | struct cx88_buffer *buf; | |
320 | unsigned long flags; | |
321 | ||
322 | spin_lock_irqsave(&dev->slock,flags); | |
323 | while (!list_empty(&q->active)) { | |
324 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
325 | list_del(&buf->vb.queue); | |
0fc0686e | 326 | buf->vb.state = VIDEOBUF_ERROR; |
1da177e4 LT |
327 | wake_up(&buf->vb.done); |
328 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | |
329 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | |
330 | } | |
331 | if (restart) | |
b45009b0 | 332 | { |
76d313bf | 333 | dprintk(1, "restarting queue\n" ); |
1da177e4 | 334 | cx8802_restart_queue(dev,q); |
b45009b0 | 335 | } |
1da177e4 LT |
336 | spin_unlock_irqrestore(&dev->slock,flags); |
337 | } | |
338 | ||
339 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
340 | { | |
341 | struct cx88_dmaqueue *q = &dev->mpegq; | |
342 | ||
b45009b0 | 343 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 LT |
344 | del_timer_sync(&q->timeout); |
345 | cx8802_stop_dma(dev); | |
346 | do_cancel_buffers(dev,"cancel",0); | |
347 | } | |
348 | ||
349 | static void cx8802_timeout(unsigned long data) | |
350 | { | |
351 | struct cx8802_dev *dev = (struct cx8802_dev*)data; | |
352 | ||
32d83efc | 353 | dprintk(1, "%s\n",__func__); |
1da177e4 LT |
354 | |
355 | if (debug) | |
356 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
357 | cx8802_stop_dma(dev); | |
358 | do_cancel_buffers(dev,"timeout",1); | |
359 | } | |
360 | ||
41ef7c1e MCC |
361 | static char *cx88_mpeg_irqs[32] = { |
362 | "ts_risci1", NULL, NULL, NULL, | |
363 | "ts_risci2", NULL, NULL, NULL, | |
364 | "ts_oflow", NULL, NULL, NULL, | |
365 | "ts_sync", NULL, NULL, NULL, | |
366 | "opc_err", "par_err", "rip_err", "pci_abort", | |
367 | "ts_err?", | |
368 | }; | |
369 | ||
1da177e4 LT |
370 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
371 | { | |
372 | struct cx88_core *core = dev->core; | |
373 | u32 status, mask, count; | |
374 | ||
b45009b0 | 375 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
376 | status = cx_read(MO_TS_INTSTAT); |
377 | mask = cx_read(MO_TS_INTMSK); | |
378 | if (0 == (status & mask)) | |
379 | return; | |
380 | ||
381 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 382 | |
1da177e4 LT |
383 | if (debug || (status & mask & ~0xff)) |
384 | cx88_print_irqbits(core->name, "irq mpeg ", | |
66623a04 MCC |
385 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
386 | status, mask); | |
1da177e4 LT |
387 | |
388 | /* risc op code error */ | |
389 | if (status & (1 << 16)) { | |
390 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
391 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
392 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
393 | } | |
394 | ||
395 | /* risc1 y */ | |
396 | if (status & 0x01) { | |
b45009b0 | 397 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
398 | spin_lock(&dev->slock); |
399 | count = cx_read(MO_TS_GPCNT); | |
400 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
401 | spin_unlock(&dev->slock); | |
402 | } | |
403 | ||
404 | /* risc2 y */ | |
405 | if (status & 0x10) { | |
406 | spin_lock(&dev->slock); | |
407 | cx8802_restart_queue(dev,&dev->mpegq); | |
408 | spin_unlock(&dev->slock); | |
409 | } | |
410 | ||
4ac97914 MCC |
411 | /* other general errors */ |
412 | if (status & 0x1f0100) { | |
b45009b0 | 413 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
4ac97914 | 414 | spin_lock(&dev->slock); |
1da177e4 | 415 | cx8802_stop_dma(dev); |
4ac97914 MCC |
416 | cx8802_restart_queue(dev,&dev->mpegq); |
417 | spin_unlock(&dev->slock); | |
418 | } | |
1da177e4 LT |
419 | } |
420 | ||
b45009b0 MCC |
421 | #define MAX_IRQ_LOOP 10 |
422 | ||
7d12e780 | 423 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
1da177e4 LT |
424 | { |
425 | struct cx8802_dev *dev = dev_id; | |
426 | struct cx88_core *core = dev->core; | |
427 | u32 status; | |
428 | int loop, handled = 0; | |
429 | ||
b45009b0 | 430 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
8ddac9ee TP |
431 | status = cx_read(MO_PCI_INTSTAT) & |
432 | (core->pci_irqmask | PCI_INT_TSINT); | |
1da177e4 LT |
433 | if (0 == status) |
434 | goto out; | |
b45009b0 MCC |
435 | dprintk( 1, "cx8802_irq\n" ); |
436 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
437 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
438 | handled = 1; |
439 | cx_write(MO_PCI_INTSTAT, status); | |
440 | ||
441 | if (status & core->pci_irqmask) | |
442 | cx88_core_irq(core,status); | |
8ddac9ee | 443 | if (status & PCI_INT_TSINT) |
1da177e4 LT |
444 | cx8802_mpeg_irq(dev); |
445 | }; | |
b45009b0 MCC |
446 | if (MAX_IRQ_LOOP == loop) { |
447 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
448 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
449 | core->name); | |
450 | cx_write(MO_PCI_INTMSK,0); | |
451 | } | |
452 | ||
453 | out: | |
454 | return IRQ_RETVAL(handled); | |
455 | } | |
456 | ||
a2fbaa51 | 457 | static int cx8802_init_common(struct cx8802_dev *dev) |
1da177e4 LT |
458 | { |
459 | struct cx88_core *core = dev->core; | |
460 | int err; | |
461 | ||
462 | /* pci init */ | |
463 | if (pci_enable_device(dev->pci)) | |
464 | return -EIO; | |
465 | pci_set_master(dev->pci); | |
284901a9 | 466 | if (!pci_dma_supported(dev->pci,DMA_BIT_MASK(32))) { |
1da177e4 LT |
467 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
468 | return -EIO; | |
469 | } | |
470 | ||
471 | pci_read_config_byte(dev->pci, PCI_CLASS_REVISION, &dev->pci_rev); | |
4ac97914 MCC |
472 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
473 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
228aef63 | 474 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
1da177e4 | 475 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
228aef63 | 476 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
1da177e4 LT |
477 | |
478 | /* initialize driver struct */ | |
1da177e4 LT |
479 | spin_lock_init(&dev->slock); |
480 | ||
481 | /* init dma queue */ | |
482 | INIT_LIST_HEAD(&dev->mpegq.active); | |
483 | INIT_LIST_HEAD(&dev->mpegq.queued); | |
484 | dev->mpegq.timeout.function = cx8802_timeout; | |
485 | dev->mpegq.timeout.data = (unsigned long)dev; | |
486 | init_timer(&dev->mpegq.timeout); | |
487 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, | |
488 | MO_TS_DMACNTRL,0x11,0x00); | |
489 | ||
490 | /* get irq */ | |
491 | err = request_irq(dev->pci->irq, cx8802_irq, | |
8076fe32 | 492 | IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev); |
1da177e4 LT |
493 | if (err < 0) { |
494 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
495 | dev->core->name, dev->pci->irq); | |
496 | return err; | |
497 | } | |
498 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
499 | ||
500 | /* everything worked */ | |
501 | pci_set_drvdata(dev->pci,dev); | |
502 | return 0; | |
503 | } | |
504 | ||
a2fbaa51 | 505 | static void cx8802_fini_common(struct cx8802_dev *dev) |
1da177e4 | 506 | { |
b45009b0 | 507 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
508 | cx8802_stop_dma(dev); |
509 | pci_disable_device(dev->pci); | |
510 | ||
511 | /* unregister stuff */ | |
512 | free_irq(dev->pci->irq, dev); | |
513 | pci_set_drvdata(dev->pci, NULL); | |
514 | ||
515 | /* free memory */ | |
516 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); | |
517 | } | |
518 | ||
519 | /* ----------------------------------------------------------- */ | |
520 | ||
a2fbaa51 | 521 | static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) |
1da177e4 | 522 | { |
4ac97914 | 523 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
524 | struct cx88_core *core = dev->core; |
525 | ||
526 | /* stop mpeg dma */ | |
527 | spin_lock(&dev->slock); | |
528 | if (!list_empty(&dev->mpegq.active)) { | |
b45009b0 | 529 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
530 | printk("%s: suspend mpeg\n", core->name); |
531 | cx8802_stop_dma(dev); | |
532 | del_timer(&dev->mpegq.timeout); | |
533 | } | |
534 | spin_unlock(&dev->slock); | |
535 | ||
1da177e4 LT |
536 | /* FIXME -- shutdown device */ |
537 | cx88_shutdown(dev->core); | |
1da177e4 LT |
538 | |
539 | pci_save_state(pci_dev); | |
540 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
541 | pci_disable_device(pci_dev); | |
542 | dev->state.disabled = 1; | |
543 | } | |
544 | return 0; | |
545 | } | |
546 | ||
a2fbaa51 | 547 | static int cx8802_resume_common(struct pci_dev *pci_dev) |
1da177e4 | 548 | { |
08adb9e2 | 549 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 550 | struct cx88_core *core = dev->core; |
08adb9e2 | 551 | int err; |
1da177e4 LT |
552 | |
553 | if (dev->state.disabled) { | |
08adb9e2 MCC |
554 | err=pci_enable_device(pci_dev); |
555 | if (err) { | |
556 | printk(KERN_ERR "%s: can't enable device\n", | |
557 | dev->core->name); | |
558 | return err; | |
559 | } | |
1da177e4 LT |
560 | dev->state.disabled = 0; |
561 | } | |
08adb9e2 MCC |
562 | err=pci_set_power_state(pci_dev, PCI_D0); |
563 | if (err) { | |
564 | printk(KERN_ERR "%s: can't enable device\n", | |
565 | dev->core->name); | |
566 | pci_disable_device(pci_dev); | |
567 | dev->state.disabled = 1; | |
568 | ||
569 | return err; | |
570 | } | |
1da177e4 LT |
571 | pci_restore_state(pci_dev); |
572 | ||
1da177e4 LT |
573 | /* FIXME: re-initialize hardware */ |
574 | cx88_reset(dev->core); | |
1da177e4 LT |
575 | |
576 | /* restart video+vbi capture */ | |
577 | spin_lock(&dev->slock); | |
578 | if (!list_empty(&dev->mpegq.active)) { | |
579 | printk("%s: resume mpeg\n", core->name); | |
580 | cx8802_restart_queue(dev,&dev->mpegq); | |
581 | } | |
582 | spin_unlock(&dev->slock); | |
583 | ||
584 | return 0; | |
585 | } | |
586 | ||
6c5be74c ST |
587 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) |
588 | { | |
081c2fc8 | 589 | struct cx8802_driver *d; |
6c5be74c | 590 | |
89a47942 | 591 | list_for_each_entry(d, &dev->drvlist, drvlist) |
081c2fc8 TP |
592 | if (d->type_id == btype) |
593 | return d; | |
6c5be74c ST |
594 | |
595 | return NULL; | |
596 | } | |
597 | ||
598 | /* Driver asked for hardware access. */ | |
9df2ead5 | 599 | static int cx8802_request_acquire(struct cx8802_driver *drv) |
6c5be74c ST |
600 | { |
601 | struct cx88_core *core = drv->core; | |
602 | ||
603 | /* Fail a request for hardware if the device is busy. */ | |
27d0fe18 RS |
604 | if (core->active_type_id != CX88_BOARD_NONE && |
605 | core->active_type_id != drv->type_id) | |
6c5be74c ST |
606 | return -EBUSY; |
607 | ||
c2cb8fcc MCC |
608 | core->input = CX88_VMUX_DVB; |
609 | ||
6c5be74c ST |
610 | if (drv->advise_acquire) |
611 | { | |
27d0fe18 | 612 | mutex_lock(&drv->core->lock); |
baff6cdd | 613 | core->active_ref++; |
27d0fe18 RS |
614 | if (core->active_type_id == CX88_BOARD_NONE) { |
615 | core->active_type_id = drv->type_id; | |
616 | drv->advise_acquire(drv); | |
617 | } | |
618 | mutex_unlock(&drv->core->lock); | |
6c5be74c | 619 | |
32d83efc | 620 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
621 | } |
622 | ||
623 | return 0; | |
624 | } | |
625 | ||
626 | /* Driver asked to release hardware. */ | |
9df2ead5 | 627 | static int cx8802_request_release(struct cx8802_driver *drv) |
6c5be74c ST |
628 | { |
629 | struct cx88_core *core = drv->core; | |
630 | ||
baff6cdd | 631 | mutex_lock(&drv->core->lock); |
27d0fe18 | 632 | if (drv->advise_release && --core->active_ref == 0) |
6c5be74c ST |
633 | { |
634 | drv->advise_release(drv); | |
635 | core->active_type_id = CX88_BOARD_NONE; | |
32d83efc | 636 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c | 637 | } |
baff6cdd | 638 | mutex_unlock(&drv->core->lock); |
6c5be74c ST |
639 | |
640 | return 0; | |
641 | } | |
642 | ||
643 | static int cx8802_check_driver(struct cx8802_driver *drv) | |
644 | { | |
645 | if (drv == NULL) | |
646 | return -ENODEV; | |
647 | ||
648 | if ((drv->type_id != CX88_MPEG_DVB) && | |
649 | (drv->type_id != CX88_MPEG_BLACKBIRD)) | |
650 | return -EINVAL; | |
651 | ||
652 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && | |
653 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) | |
654 | return -EINVAL; | |
655 | ||
656 | if ((drv->probe == NULL) || | |
657 | (drv->remove == NULL) || | |
658 | (drv->advise_acquire == NULL) || | |
659 | (drv->advise_release == NULL)) | |
660 | return -EINVAL; | |
661 | ||
662 | return 0; | |
663 | } | |
664 | ||
665 | int cx8802_register_driver(struct cx8802_driver *drv) | |
666 | { | |
89a47942 | 667 | struct cx8802_dev *dev; |
6c5be74c | 668 | struct cx8802_driver *driver; |
89a47942 | 669 | int err, i = 0; |
6c5be74c | 670 | |
5772f813 TP |
671 | printk(KERN_INFO |
672 | "cx88/2: registering cx8802 driver, type: %s access: %s\n", | |
673 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
674 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c ST |
675 | |
676 | if ((err = cx8802_check_driver(drv)) != 0) { | |
5772f813 | 677 | printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n"); |
6c5be74c ST |
678 | return err; |
679 | } | |
680 | ||
89a47942 | 681 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
682 | printk(KERN_INFO |
683 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
684 | dev->core->name, dev->pci->subsystem_vendor, |
685 | dev->pci->subsystem_device, dev->core->board.name, | |
686 | dev->core->boardnr); | |
6c5be74c ST |
687 | |
688 | /* Bring up a new struct for each driver instance */ | |
689 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); | |
690 | if (driver == NULL) | |
691 | return -ENOMEM; | |
692 | ||
693 | /* Snapshot of the driver registration data */ | |
89a47942 | 694 | drv->core = dev->core; |
6c5be74c ST |
695 | drv->suspend = cx8802_suspend_common; |
696 | drv->resume = cx8802_resume_common; | |
697 | drv->request_acquire = cx8802_request_acquire; | |
698 | drv->request_release = cx8802_request_release; | |
699 | memcpy(driver, drv, sizeof(*driver)); | |
700 | ||
701 | err = drv->probe(driver); | |
702 | if (err == 0) { | |
019391e4 | 703 | i++; |
6c5be74c | 704 | mutex_lock(&drv->core->lock); |
89a47942 | 705 | list_add_tail(&driver->drvlist, &dev->drvlist); |
6c5be74c ST |
706 | mutex_unlock(&drv->core->lock); |
707 | } else { | |
5772f813 TP |
708 | printk(KERN_ERR |
709 | "%s/2: cx8802 probe failed, err = %d\n", | |
89a47942 | 710 | dev->core->name, err); |
6c5be74c ST |
711 | } |
712 | ||
713 | } | |
6c5be74c | 714 | |
89a47942 | 715 | return i ? 0 : -ENODEV; |
6c5be74c ST |
716 | } |
717 | ||
718 | int cx8802_unregister_driver(struct cx8802_driver *drv) | |
719 | { | |
89a47942 TP |
720 | struct cx8802_dev *dev; |
721 | struct cx8802_driver *d, *dtmp; | |
722 | int err = 0; | |
6c5be74c | 723 | |
5772f813 TP |
724 | printk(KERN_INFO |
725 | "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", | |
726 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
727 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c | 728 | |
89a47942 | 729 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
730 | printk(KERN_INFO |
731 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
732 | dev->core->name, dev->pci->subsystem_vendor, |
733 | dev->pci->subsystem_device, dev->core->board.name, | |
734 | dev->core->boardnr); | |
6c5be74c | 735 | |
89a47942 | 736 | list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { |
6c5be74c ST |
737 | /* only unregister the correct driver type */ |
738 | if (d->type_id != drv->type_id) | |
739 | continue; | |
740 | ||
741 | err = d->remove(d); | |
742 | if (err == 0) { | |
743 | mutex_lock(&drv->core->lock); | |
89a47942 | 744 | list_del(&d->drvlist); |
6c5be74c | 745 | mutex_unlock(&drv->core->lock); |
a04036a3 | 746 | kfree(d); |
6c5be74c | 747 | } else |
5772f813 | 748 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
89a47942 | 749 | "failed (%d)\n", dev->core->name, err); |
6c5be74c ST |
750 | } |
751 | ||
752 | } | |
753 | ||
754 | return err; | |
755 | } | |
756 | ||
1da177e4 | 757 | /* ----------------------------------------------------------- */ |
6c5be74c ST |
758 | static int __devinit cx8802_probe(struct pci_dev *pci_dev, |
759 | const struct pci_device_id *pci_id) | |
760 | { | |
761 | struct cx8802_dev *dev; | |
762 | struct cx88_core *core; | |
9212a572 | 763 | int err; |
6c5be74c ST |
764 | |
765 | /* general setup */ | |
766 | core = cx88_core_get(pci_dev); | |
767 | if (NULL == core) | |
768 | return -EINVAL; | |
769 | ||
770 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); | |
771 | ||
772 | err = -ENODEV; | |
6a59d64c | 773 | if (!core->board.mpeg) |
6c5be74c ST |
774 | goto fail_core; |
775 | ||
776 | err = -ENOMEM; | |
777 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | |
778 | if (NULL == dev) | |
779 | goto fail_core; | |
780 | dev->pci = pci_dev; | |
781 | dev->core = core; | |
782 | ||
e32fadc4 MCC |
783 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
784 | core->dvbdev = dev; | |
785 | ||
6c5be74c ST |
786 | err = cx8802_init_common(dev); |
787 | if (err != 0) | |
788 | goto fail_free; | |
789 | ||
081c2fc8 | 790 | INIT_LIST_HEAD(&dev->drvlist); |
6c5be74c | 791 | list_add_tail(&dev->devlist,&cx8802_devlist); |
1da177e4 | 792 | |
77b74774 MR |
793 | /* now autoload cx88-dvb or cx88-blackbird */ |
794 | request_modules(dev); | |
6c5be74c ST |
795 | return 0; |
796 | ||
797 | fail_free: | |
798 | kfree(dev); | |
799 | fail_core: | |
e32fadc4 | 800 | core->dvbdev = NULL; |
6c5be74c ST |
801 | cx88_core_put(core,pci_dev); |
802 | return err; | |
803 | } | |
804 | ||
805 | static void __devexit cx8802_remove(struct pci_dev *pci_dev) | |
806 | { | |
807 | struct cx8802_dev *dev; | |
6c5be74c ST |
808 | |
809 | dev = pci_get_drvdata(pci_dev); | |
810 | ||
32d83efc | 811 | dprintk( 1, "%s\n", __func__); |
6c5be74c | 812 | |
081c2fc8 | 813 | if (!list_empty(&dev->drvlist)) { |
89a47942 | 814 | struct cx8802_driver *drv, *tmp; |
081c2fc8 TP |
815 | int err; |
816 | ||
817 | printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " | |
818 | "while cx8802 sub-drivers still loaded?!\n", | |
819 | dev->core->name); | |
820 | ||
89a47942 | 821 | list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { |
081c2fc8 TP |
822 | err = drv->remove(drv); |
823 | if (err == 0) { | |
824 | mutex_lock(&drv->core->lock); | |
89a47942 | 825 | list_del(&drv->drvlist); |
081c2fc8 TP |
826 | mutex_unlock(&drv->core->lock); |
827 | } else | |
828 | printk(KERN_ERR "%s/2: cx8802 driver remove " | |
829 | "failed (%d)\n", dev->core->name, err); | |
a04036a3 | 830 | kfree(drv); |
6c5be74c | 831 | } |
6c5be74c ST |
832 | } |
833 | ||
834 | /* Destroy any 8802 reference. */ | |
835 | dev->core->dvbdev = NULL; | |
836 | ||
837 | /* common */ | |
838 | cx8802_fini_common(dev); | |
839 | cx88_core_put(dev->core,dev->pci); | |
840 | kfree(dev); | |
841 | } | |
842 | ||
843 | static struct pci_device_id cx8802_pci_tbl[] = { | |
844 | { | |
845 | .vendor = 0x14f1, | |
846 | .device = 0x8802, | |
847 | .subvendor = PCI_ANY_ID, | |
848 | .subdevice = PCI_ANY_ID, | |
849 | },{ | |
850 | /* --- end of list --- */ | |
851 | } | |
852 | }; | |
853 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
854 | ||
855 | static struct pci_driver cx8802_pci_driver = { | |
856 | .name = "cx88-mpeg driver manager", | |
857 | .id_table = cx8802_pci_tbl, | |
858 | .probe = cx8802_probe, | |
859 | .remove = __devexit_p(cx8802_remove), | |
860 | }; | |
861 | ||
31d0f845 | 862 | static int __init cx8802_init(void) |
6c5be74c | 863 | { |
5772f813 | 864 | printk(KERN_INFO "cx88/2: cx2388x MPEG-TS Driver Manager version %d.%d.%d loaded\n", |
6c5be74c ST |
865 | (CX88_VERSION_CODE >> 16) & 0xff, |
866 | (CX88_VERSION_CODE >> 8) & 0xff, | |
867 | CX88_VERSION_CODE & 0xff); | |
868 | #ifdef SNAPSHOT | |
869 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
870 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
871 | #endif | |
872 | return pci_register_driver(&cx8802_pci_driver); | |
873 | } | |
874 | ||
31d0f845 | 875 | static void __exit cx8802_fini(void) |
6c5be74c ST |
876 | { |
877 | pci_unregister_driver(&cx8802_pci_driver); | |
878 | } | |
879 | ||
880 | module_init(cx8802_init); | |
881 | module_exit(cx8802_fini); | |
1da177e4 LT |
882 | EXPORT_SYMBOL(cx8802_buf_prepare); |
883 | EXPORT_SYMBOL(cx8802_buf_queue); | |
884 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
885 | ||
6c5be74c ST |
886 | EXPORT_SYMBOL(cx8802_register_driver); |
887 | EXPORT_SYMBOL(cx8802_unregister_driver); | |
6c5be74c | 888 | EXPORT_SYMBOL(cx8802_get_driver); |
1da177e4 LT |
889 | /* ----------------------------------------------------------- */ |
890 | /* | |
891 | * Local variables: | |
892 | * c-basic-offset: 8 | |
893 | * End: | |
b45009b0 | 894 | * 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 | 895 | */ |