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 | } | |
707bcf32 TH |
69 | |
70 | static void flush_request_modules(struct cx8802_dev *dev) | |
71 | { | |
72 | flush_work_sync(&dev->request_module_wk); | |
73 | } | |
77b74774 MR |
74 | #else |
75 | #define request_modules(dev) | |
707bcf32 | 76 | #define flush_request_modules(dev) |
77b74774 MR |
77 | #endif /* CONFIG_MODULES */ |
78 | ||
79 | ||
6c5be74c | 80 | static LIST_HEAD(cx8802_devlist); |
344d6c6b | 81 | static DEFINE_MUTEX(cx8802_mutex); |
1da177e4 LT |
82 | /* ------------------------------------------------------------------ */ |
83 | ||
84 | static int cx8802_start_dma(struct cx8802_dev *dev, | |
85 | struct cx88_dmaqueue *q, | |
86 | struct cx88_buffer *buf) | |
87 | { | |
88 | struct cx88_core *core = dev->core; | |
89 | ||
7717cbed TP |
90 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", |
91 | buf->vb.width, buf->vb.height, buf->vb.field); | |
1da177e4 LT |
92 | |
93 | /* setup fifo + format */ | |
94 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], | |
95 | dev->ts_packet_size, buf->risc.dma); | |
96 | ||
97 | /* write TS length to chip */ | |
98 | cx_write(MO_TS_LNGTH, buf->vb.width); | |
99 | ||
1da177e4 LT |
100 | /* FIXME: this needs a review. |
101 | * also: move to cx88-blackbird + cx88-dvb source files? */ | |
102 | ||
6c5be74c ST |
103 | dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id); |
104 | ||
105 | if ( (core->active_type_id == CX88_MPEG_DVB) && | |
6a59d64c | 106 | (core->board.mpeg & CX88_MPEG_DVB) ) { |
6c5be74c ST |
107 | |
108 | dprintk( 1, "cx8802_start_dma doing .dvb\n"); | |
1da177e4 | 109 | /* negedge driven & software reset */ |
f1798495 | 110 | cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl); |
1da177e4 LT |
111 | udelay(100); |
112 | cx_write(MO_PINMUX_IO, 0x00); | |
60464da8 | 113 | cx_write(TS_HW_SOP_CNTRL, 0x47<<16|188<<4|0x01); |
6a59d64c | 114 | switch (core->boardnr) { |
e52e98a7 MCC |
115 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q: |
116 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T: | |
117 | case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: | |
da215d22 | 118 | case CX88_BOARD_PCHDTV_HD5500: |
41ef7c1e | 119 | cx_write(TS_SOP_STAT, 1<<13); |
e52e98a7 | 120 | break; |
4f3ca2f1 DH |
121 | case CX88_BOARD_SAMSUNG_SMT_7020: |
122 | cx_write(TS_SOP_STAT, 0x00); | |
123 | break; | |
0fa14aa6 ST |
124 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: |
125 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: | |
126 | cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */ | |
127 | udelay(100); | |
128 | break; | |
6c5be74c | 129 | case CX88_BOARD_HAUPPAUGE_HVR1300: |
337ab6d3 SS |
130 | /* Enable MPEG parallel IO and video signal pins */ |
131 | cx_write(MO_PINMUX_IO, 0x88); | |
132 | cx_write(TS_SOP_STAT, 0); | |
133 | cx_write(TS_VALERR_CNTRL, 0); | |
6c5be74c | 134 | break; |
60464da8 | 135 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
4917019d ST |
136 | /* Enable MPEG parallel IO and video signal pins */ |
137 | cx_write(MO_PINMUX_IO, 0x88); | |
138 | cx_write(TS_HW_SOP_CNTRL, (0x47 << 16) | (188 << 4)); | |
139 | dev->ts_gen_cntrl = 5; | |
140 | cx_write(TS_SOP_STAT, 0); | |
141 | cx_write(TS_VALERR_CNTRL, 0); | |
60464da8 ST |
142 | udelay(100); |
143 | break; | |
e52e98a7 | 144 | default: |
41ef7c1e | 145 | cx_write(TS_SOP_STAT, 0x00); |
e52e98a7 | 146 | break; |
f1798495 | 147 | } |
1da177e4 LT |
148 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
149 | udelay(100); | |
6c5be74c | 150 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
6a59d64c | 151 | (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) { |
6c5be74c | 152 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); |
1da177e4 LT |
153 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
154 | ||
1da177e4 LT |
155 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
156 | udelay(100); | |
157 | ||
158 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ | |
1da177e4 LT |
159 | cx_write(TS_VALERR_CNTRL, 0x2000); |
160 | ||
161 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ | |
162 | udelay(100); | |
6c5be74c | 163 | } else { |
32d83efc | 164 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__, |
6a59d64c | 165 | core->board.mpeg ); |
6c5be74c | 166 | return -EINVAL; |
1da177e4 | 167 | } |
1da177e4 LT |
168 | |
169 | /* reset counter */ | |
170 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
171 | q->count = 1; | |
172 | ||
173 | /* enable irqs */ | |
76d313bf | 174 | dprintk( 1, "setting the interrupt mask\n" ); |
8ddac9ee | 175 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT); |
b45009b0 | 176 | cx_set(MO_TS_INTMSK, 0x1f0011); |
1da177e4 LT |
177 | |
178 | /* start dma */ | |
b45009b0 MCC |
179 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
180 | cx_set(MO_TS_DMACNTRL, 0x11); | |
1da177e4 LT |
181 | return 0; |
182 | } | |
183 | ||
184 | static int cx8802_stop_dma(struct cx8802_dev *dev) | |
185 | { | |
186 | struct cx88_core *core = dev->core; | |
76d313bf | 187 | dprintk( 1, "cx8802_stop_dma\n" ); |
1da177e4 LT |
188 | |
189 | /* stop dma */ | |
190 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
191 | ||
192 | /* disable irqs */ | |
8ddac9ee | 193 | cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT); |
1da177e4 LT |
194 | cx_clear(MO_TS_INTMSK, 0x1f0011); |
195 | ||
196 | /* Reset the controller */ | |
197 | cx_write(TS_GEN_CNTRL, 0xcd); | |
198 | return 0; | |
199 | } | |
200 | ||
201 | static int cx8802_restart_queue(struct cx8802_dev *dev, | |
202 | struct cx88_dmaqueue *q) | |
203 | { | |
204 | struct cx88_buffer *buf; | |
1da177e4 | 205 | |
b930e1d8 | 206 | dprintk( 1, "cx8802_restart_queue\n" ); |
1da177e4 | 207 | if (list_empty(&q->active)) |
b45009b0 | 208 | { |
b930e1d8 MK |
209 | struct cx88_buffer *prev; |
210 | prev = NULL; | |
211 | ||
212 | dprintk(1, "cx8802_restart_queue: queue is empty\n" ); | |
213 | ||
214 | for (;;) { | |
215 | if (list_empty(&q->queued)) | |
216 | return 0; | |
217 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); | |
218 | if (NULL == prev) { | |
219 | list_del(&buf->vb.queue); | |
220 | list_add_tail(&buf->vb.queue,&q->active); | |
221 | cx8802_start_dma(dev, q, buf); | |
0fc0686e | 222 | buf->vb.state = VIDEOBUF_ACTIVE; |
b930e1d8 MK |
223 | buf->count = q->count++; |
224 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
225 | dprintk(1,"[%p/%d] restart_queue - first active\n", | |
226 | buf,buf->vb.i); | |
227 | ||
228 | } else if (prev->vb.width == buf->vb.width && | |
229 | prev->vb.height == buf->vb.height && | |
230 | prev->fmt == buf->fmt) { | |
231 | list_del(&buf->vb.queue); | |
232 | list_add_tail(&buf->vb.queue,&q->active); | |
0fc0686e | 233 | buf->vb.state = VIDEOBUF_ACTIVE; |
b930e1d8 MK |
234 | buf->count = q->count++; |
235 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
236 | dprintk(1,"[%p/%d] restart_queue - move to active\n", | |
237 | buf,buf->vb.i); | |
238 | } else { | |
239 | return 0; | |
240 | } | |
241 | prev = buf; | |
242 | } | |
1da177e4 | 243 | return 0; |
b45009b0 | 244 | } |
1da177e4 LT |
245 | |
246 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
247 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
248 | buf, buf->vb.i); | |
249 | cx8802_start_dma(dev, q, buf); | |
89a47942 | 250 | list_for_each_entry(buf, &q->active, vb.queue) |
1da177e4 | 251 | buf->count = q->count++; |
1da177e4 LT |
252 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
253 | return 0; | |
254 | } | |
255 | ||
256 | /* ------------------------------------------------------------------ */ | |
257 | ||
c7b0ac05 MCC |
258 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
259 | struct cx88_buffer *buf, enum v4l2_field field) | |
1da177e4 LT |
260 | { |
261 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
c1accaa2 | 262 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
1da177e4 LT |
263 | int rc; |
264 | ||
32d83efc | 265 | dprintk(1, "%s: %p\n", __func__, buf); |
1da177e4 LT |
266 | if (0 != buf->vb.baddr && buf->vb.bsize < size) |
267 | return -EINVAL; | |
268 | ||
0fc0686e | 269 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
1da177e4 LT |
270 | buf->vb.width = dev->ts_packet_size; |
271 | buf->vb.height = dev->ts_packet_count; | |
272 | buf->vb.size = size; | |
31629424 | 273 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
1da177e4 | 274 | |
c7b0ac05 | 275 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
1da177e4 LT |
276 | goto fail; |
277 | cx88_risc_databuffer(dev->pci, &buf->risc, | |
c1accaa2 | 278 | dma->sglist, |
05b27233 | 279 | buf->vb.width, buf->vb.height, 0); |
1da177e4 | 280 | } |
0fc0686e | 281 | buf->vb.state = VIDEOBUF_PREPARED; |
1da177e4 LT |
282 | return 0; |
283 | ||
284 | fail: | |
c7b0ac05 | 285 | cx88_free_buffer(q,buf); |
1da177e4 LT |
286 | return rc; |
287 | } | |
288 | ||
289 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
290 | { | |
291 | struct cx88_buffer *prev; | |
c7b0ac05 | 292 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
1da177e4 | 293 | |
b45009b0 | 294 | dprintk( 1, "cx8802_buf_queue\n" ); |
1da177e4 LT |
295 | /* add jump to stopper */ |
296 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
c7b0ac05 | 297 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
1da177e4 | 298 | |
c7b0ac05 | 299 | if (list_empty(&cx88q->active)) { |
76d313bf | 300 | dprintk( 1, "queue is empty - first active\n" ); |
c7b0ac05 MCC |
301 | list_add_tail(&buf->vb.queue,&cx88q->active); |
302 | cx8802_start_dma(dev, cx88q, buf); | |
0fc0686e | 303 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 MCC |
304 | buf->count = cx88q->count++; |
305 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); | |
76d313bf | 306 | dprintk(1,"[%p/%d] %s - first active\n", |
32d83efc | 307 | buf, buf->vb.i, __func__); |
1da177e4 LT |
308 | |
309 | } else { | |
b45009b0 | 310 | dprintk( 1, "queue is not empty - append to active\n" ); |
c7b0ac05 MCC |
311 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
312 | list_add_tail(&buf->vb.queue,&cx88q->active); | |
0fc0686e | 313 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 | 314 | buf->count = cx88q->count++; |
1da177e4 | 315 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
b45009b0 | 316 | dprintk( 1, "[%p/%d] %s - append to active\n", |
32d83efc | 317 | buf, buf->vb.i, __func__); |
1da177e4 LT |
318 | } |
319 | } | |
320 | ||
321 | /* ----------------------------------------------------------- */ | |
322 | ||
2e4e98e7 | 323 | static void do_cancel_buffers(struct cx8802_dev *dev, const char *reason, int restart) |
1da177e4 LT |
324 | { |
325 | struct cx88_dmaqueue *q = &dev->mpegq; | |
326 | struct cx88_buffer *buf; | |
327 | unsigned long flags; | |
328 | ||
329 | spin_lock_irqsave(&dev->slock,flags); | |
330 | while (!list_empty(&q->active)) { | |
331 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
332 | list_del(&buf->vb.queue); | |
0fc0686e | 333 | buf->vb.state = VIDEOBUF_ERROR; |
1da177e4 LT |
334 | wake_up(&buf->vb.done); |
335 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | |
336 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | |
337 | } | |
338 | if (restart) | |
b45009b0 | 339 | { |
76d313bf | 340 | dprintk(1, "restarting queue\n" ); |
1da177e4 | 341 | cx8802_restart_queue(dev,q); |
b45009b0 | 342 | } |
1da177e4 LT |
343 | spin_unlock_irqrestore(&dev->slock,flags); |
344 | } | |
345 | ||
346 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
347 | { | |
348 | struct cx88_dmaqueue *q = &dev->mpegq; | |
349 | ||
b45009b0 | 350 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 LT |
351 | del_timer_sync(&q->timeout); |
352 | cx8802_stop_dma(dev); | |
353 | do_cancel_buffers(dev,"cancel",0); | |
354 | } | |
355 | ||
356 | static void cx8802_timeout(unsigned long data) | |
357 | { | |
358 | struct cx8802_dev *dev = (struct cx8802_dev*)data; | |
359 | ||
32d83efc | 360 | dprintk(1, "%s\n",__func__); |
1da177e4 LT |
361 | |
362 | if (debug) | |
363 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
364 | cx8802_stop_dma(dev); | |
365 | do_cancel_buffers(dev,"timeout",1); | |
366 | } | |
367 | ||
2e4e98e7 | 368 | static const char * cx88_mpeg_irqs[32] = { |
41ef7c1e MCC |
369 | "ts_risci1", NULL, NULL, NULL, |
370 | "ts_risci2", NULL, NULL, NULL, | |
371 | "ts_oflow", NULL, NULL, NULL, | |
372 | "ts_sync", NULL, NULL, NULL, | |
373 | "opc_err", "par_err", "rip_err", "pci_abort", | |
374 | "ts_err?", | |
375 | }; | |
376 | ||
1da177e4 LT |
377 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
378 | { | |
379 | struct cx88_core *core = dev->core; | |
380 | u32 status, mask, count; | |
381 | ||
b45009b0 | 382 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
383 | status = cx_read(MO_TS_INTSTAT); |
384 | mask = cx_read(MO_TS_INTMSK); | |
385 | if (0 == (status & mask)) | |
386 | return; | |
387 | ||
388 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 389 | |
1da177e4 LT |
390 | if (debug || (status & mask & ~0xff)) |
391 | cx88_print_irqbits(core->name, "irq mpeg ", | |
66623a04 MCC |
392 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
393 | status, mask); | |
1da177e4 LT |
394 | |
395 | /* risc op code error */ | |
396 | if (status & (1 << 16)) { | |
397 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
398 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
399 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
400 | } | |
401 | ||
402 | /* risc1 y */ | |
403 | if (status & 0x01) { | |
b45009b0 | 404 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
405 | spin_lock(&dev->slock); |
406 | count = cx_read(MO_TS_GPCNT); | |
407 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
408 | spin_unlock(&dev->slock); | |
409 | } | |
410 | ||
411 | /* risc2 y */ | |
412 | if (status & 0x10) { | |
413 | spin_lock(&dev->slock); | |
414 | cx8802_restart_queue(dev,&dev->mpegq); | |
415 | spin_unlock(&dev->slock); | |
416 | } | |
417 | ||
4ac97914 MCC |
418 | /* other general errors */ |
419 | if (status & 0x1f0100) { | |
b45009b0 | 420 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
4ac97914 | 421 | spin_lock(&dev->slock); |
1da177e4 | 422 | cx8802_stop_dma(dev); |
4ac97914 MCC |
423 | cx8802_restart_queue(dev,&dev->mpegq); |
424 | spin_unlock(&dev->slock); | |
425 | } | |
1da177e4 LT |
426 | } |
427 | ||
b45009b0 MCC |
428 | #define MAX_IRQ_LOOP 10 |
429 | ||
7d12e780 | 430 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
1da177e4 LT |
431 | { |
432 | struct cx8802_dev *dev = dev_id; | |
433 | struct cx88_core *core = dev->core; | |
434 | u32 status; | |
435 | int loop, handled = 0; | |
436 | ||
b45009b0 | 437 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
8ddac9ee TP |
438 | status = cx_read(MO_PCI_INTSTAT) & |
439 | (core->pci_irqmask | PCI_INT_TSINT); | |
1da177e4 LT |
440 | if (0 == status) |
441 | goto out; | |
b45009b0 MCC |
442 | dprintk( 1, "cx8802_irq\n" ); |
443 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
444 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
445 | handled = 1; |
446 | cx_write(MO_PCI_INTSTAT, status); | |
447 | ||
448 | if (status & core->pci_irqmask) | |
449 | cx88_core_irq(core,status); | |
8ddac9ee | 450 | if (status & PCI_INT_TSINT) |
1da177e4 LT |
451 | cx8802_mpeg_irq(dev); |
452 | }; | |
b45009b0 MCC |
453 | if (MAX_IRQ_LOOP == loop) { |
454 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
455 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
456 | core->name); | |
457 | cx_write(MO_PCI_INTMSK,0); | |
458 | } | |
459 | ||
460 | out: | |
461 | return IRQ_RETVAL(handled); | |
462 | } | |
463 | ||
a2fbaa51 | 464 | static int cx8802_init_common(struct cx8802_dev *dev) |
1da177e4 LT |
465 | { |
466 | struct cx88_core *core = dev->core; | |
467 | int err; | |
468 | ||
469 | /* pci init */ | |
470 | if (pci_enable_device(dev->pci)) | |
471 | return -EIO; | |
472 | pci_set_master(dev->pci); | |
284901a9 | 473 | if (!pci_dma_supported(dev->pci,DMA_BIT_MASK(32))) { |
1da177e4 LT |
474 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
475 | return -EIO; | |
476 | } | |
477 | ||
abd34d8d | 478 | dev->pci_rev = dev->pci->revision; |
4ac97914 MCC |
479 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
480 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
228aef63 | 481 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
1da177e4 | 482 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
228aef63 | 483 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
1da177e4 LT |
484 | |
485 | /* initialize driver struct */ | |
1da177e4 LT |
486 | spin_lock_init(&dev->slock); |
487 | ||
488 | /* init dma queue */ | |
489 | INIT_LIST_HEAD(&dev->mpegq.active); | |
490 | INIT_LIST_HEAD(&dev->mpegq.queued); | |
491 | dev->mpegq.timeout.function = cx8802_timeout; | |
492 | dev->mpegq.timeout.data = (unsigned long)dev; | |
493 | init_timer(&dev->mpegq.timeout); | |
494 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, | |
495 | MO_TS_DMACNTRL,0x11,0x00); | |
496 | ||
497 | /* get irq */ | |
498 | err = request_irq(dev->pci->irq, cx8802_irq, | |
8076fe32 | 499 | IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev); |
1da177e4 LT |
500 | if (err < 0) { |
501 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
502 | dev->core->name, dev->pci->irq); | |
503 | return err; | |
504 | } | |
505 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
506 | ||
507 | /* everything worked */ | |
508 | pci_set_drvdata(dev->pci,dev); | |
509 | return 0; | |
510 | } | |
511 | ||
a2fbaa51 | 512 | static void cx8802_fini_common(struct cx8802_dev *dev) |
1da177e4 | 513 | { |
b45009b0 | 514 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
515 | cx8802_stop_dma(dev); |
516 | pci_disable_device(dev->pci); | |
517 | ||
518 | /* unregister stuff */ | |
519 | free_irq(dev->pci->irq, dev); | |
520 | pci_set_drvdata(dev->pci, NULL); | |
521 | ||
522 | /* free memory */ | |
523 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); | |
524 | } | |
525 | ||
526 | /* ----------------------------------------------------------- */ | |
527 | ||
a2fbaa51 | 528 | static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) |
1da177e4 | 529 | { |
4ac97914 | 530 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
531 | struct cx88_core *core = dev->core; |
532 | ||
533 | /* stop mpeg dma */ | |
534 | spin_lock(&dev->slock); | |
535 | if (!list_empty(&dev->mpegq.active)) { | |
b45009b0 | 536 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
537 | printk("%s: suspend mpeg\n", core->name); |
538 | cx8802_stop_dma(dev); | |
539 | del_timer(&dev->mpegq.timeout); | |
540 | } | |
541 | spin_unlock(&dev->slock); | |
542 | ||
1da177e4 LT |
543 | /* FIXME -- shutdown device */ |
544 | cx88_shutdown(dev->core); | |
1da177e4 LT |
545 | |
546 | pci_save_state(pci_dev); | |
547 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
548 | pci_disable_device(pci_dev); | |
549 | dev->state.disabled = 1; | |
550 | } | |
551 | return 0; | |
552 | } | |
553 | ||
a2fbaa51 | 554 | static int cx8802_resume_common(struct pci_dev *pci_dev) |
1da177e4 | 555 | { |
08adb9e2 | 556 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 557 | struct cx88_core *core = dev->core; |
08adb9e2 | 558 | int err; |
1da177e4 LT |
559 | |
560 | if (dev->state.disabled) { | |
08adb9e2 MCC |
561 | err=pci_enable_device(pci_dev); |
562 | if (err) { | |
563 | printk(KERN_ERR "%s: can't enable device\n", | |
564 | dev->core->name); | |
565 | return err; | |
566 | } | |
1da177e4 LT |
567 | dev->state.disabled = 0; |
568 | } | |
08adb9e2 MCC |
569 | err=pci_set_power_state(pci_dev, PCI_D0); |
570 | if (err) { | |
571 | printk(KERN_ERR "%s: can't enable device\n", | |
572 | dev->core->name); | |
573 | pci_disable_device(pci_dev); | |
574 | dev->state.disabled = 1; | |
575 | ||
576 | return err; | |
577 | } | |
1da177e4 LT |
578 | pci_restore_state(pci_dev); |
579 | ||
1da177e4 LT |
580 | /* FIXME: re-initialize hardware */ |
581 | cx88_reset(dev->core); | |
1da177e4 LT |
582 | |
583 | /* restart video+vbi capture */ | |
584 | spin_lock(&dev->slock); | |
585 | if (!list_empty(&dev->mpegq.active)) { | |
586 | printk("%s: resume mpeg\n", core->name); | |
587 | cx8802_restart_queue(dev,&dev->mpegq); | |
588 | } | |
589 | spin_unlock(&dev->slock); | |
590 | ||
591 | return 0; | |
592 | } | |
593 | ||
6c5be74c ST |
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; | |
d922b8ea | 609 | unsigned int i; |
6c5be74c ST |
610 | |
611 | /* Fail a request for hardware if the device is busy. */ | |
27d0fe18 RS |
612 | if (core->active_type_id != CX88_BOARD_NONE && |
613 | core->active_type_id != drv->type_id) | |
6c5be74c ST |
614 | return -EBUSY; |
615 | ||
d922b8ea IV |
616 | core->input = 0; |
617 | for (i = 0; | |
618 | i < (sizeof(core->board.input) / sizeof(struct cx88_input)); | |
619 | i++) { | |
620 | if (core->board.input[i].type == CX88_VMUX_DVB) { | |
621 | core->input = i; | |
622 | break; | |
623 | } | |
624 | } | |
c2cb8fcc | 625 | |
6c5be74c ST |
626 | if (drv->advise_acquire) |
627 | { | |
baff6cdd | 628 | core->active_ref++; |
27d0fe18 RS |
629 | if (core->active_type_id == CX88_BOARD_NONE) { |
630 | core->active_type_id = drv->type_id; | |
631 | drv->advise_acquire(drv); | |
632 | } | |
6c5be74c | 633 | |
32d83efc | 634 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
635 | } |
636 | ||
637 | return 0; | |
638 | } | |
639 | ||
640 | /* Driver asked to release hardware. */ | |
9df2ead5 | 641 | static int cx8802_request_release(struct cx8802_driver *drv) |
6c5be74c ST |
642 | { |
643 | struct cx88_core *core = drv->core; | |
644 | ||
27d0fe18 | 645 | if (drv->advise_release && --core->active_ref == 0) |
6c5be74c ST |
646 | { |
647 | drv->advise_release(drv); | |
648 | core->active_type_id = CX88_BOARD_NONE; | |
32d83efc | 649 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
650 | } |
651 | ||
652 | return 0; | |
653 | } | |
654 | ||
655 | static int cx8802_check_driver(struct cx8802_driver *drv) | |
656 | { | |
657 | if (drv == NULL) | |
658 | return -ENODEV; | |
659 | ||
660 | if ((drv->type_id != CX88_MPEG_DVB) && | |
661 | (drv->type_id != CX88_MPEG_BLACKBIRD)) | |
662 | return -EINVAL; | |
663 | ||
664 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && | |
665 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) | |
666 | return -EINVAL; | |
667 | ||
668 | if ((drv->probe == NULL) || | |
669 | (drv->remove == NULL) || | |
670 | (drv->advise_acquire == NULL) || | |
671 | (drv->advise_release == NULL)) | |
672 | return -EINVAL; | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
677 | int cx8802_register_driver(struct cx8802_driver *drv) | |
678 | { | |
89a47942 | 679 | struct cx8802_dev *dev; |
6c5be74c | 680 | struct cx8802_driver *driver; |
89a47942 | 681 | int err, i = 0; |
6c5be74c | 682 | |
5772f813 TP |
683 | printk(KERN_INFO |
684 | "cx88/2: registering cx8802 driver, type: %s access: %s\n", | |
685 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
686 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c ST |
687 | |
688 | if ((err = cx8802_check_driver(drv)) != 0) { | |
5772f813 | 689 | printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n"); |
6c5be74c ST |
690 | return err; |
691 | } | |
692 | ||
344d6c6b JN |
693 | mutex_lock(&cx8802_mutex); |
694 | ||
89a47942 | 695 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
696 | printk(KERN_INFO |
697 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
698 | dev->core->name, dev->pci->subsystem_vendor, |
699 | dev->pci->subsystem_device, dev->core->board.name, | |
700 | dev->core->boardnr); | |
6c5be74c ST |
701 | |
702 | /* Bring up a new struct for each driver instance */ | |
703 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); | |
344d6c6b JN |
704 | if (driver == NULL) { |
705 | err = -ENOMEM; | |
706 | goto out; | |
707 | } | |
6c5be74c ST |
708 | |
709 | /* Snapshot of the driver registration data */ | |
89a47942 | 710 | drv->core = dev->core; |
6c5be74c ST |
711 | drv->suspend = cx8802_suspend_common; |
712 | drv->resume = cx8802_resume_common; | |
713 | drv->request_acquire = cx8802_request_acquire; | |
714 | drv->request_release = cx8802_request_release; | |
715 | memcpy(driver, drv, sizeof(*driver)); | |
716 | ||
1d6213ab | 717 | mutex_lock(&drv->core->lock); |
6c5be74c ST |
718 | err = drv->probe(driver); |
719 | if (err == 0) { | |
019391e4 | 720 | i++; |
89a47942 | 721 | list_add_tail(&driver->drvlist, &dev->drvlist); |
6c5be74c | 722 | } else { |
5772f813 TP |
723 | printk(KERN_ERR |
724 | "%s/2: cx8802 probe failed, err = %d\n", | |
89a47942 | 725 | dev->core->name, err); |
6c5be74c | 726 | } |
1d6213ab | 727 | mutex_unlock(&drv->core->lock); |
6c5be74c | 728 | } |
6c5be74c | 729 | |
344d6c6b JN |
730 | err = i ? 0 : -ENODEV; |
731 | out: | |
732 | mutex_unlock(&cx8802_mutex); | |
733 | return err; | |
6c5be74c ST |
734 | } |
735 | ||
736 | int cx8802_unregister_driver(struct cx8802_driver *drv) | |
737 | { | |
89a47942 TP |
738 | struct cx8802_dev *dev; |
739 | struct cx8802_driver *d, *dtmp; | |
740 | int err = 0; | |
6c5be74c | 741 | |
5772f813 TP |
742 | printk(KERN_INFO |
743 | "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", | |
744 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
745 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c | 746 | |
344d6c6b JN |
747 | mutex_lock(&cx8802_mutex); |
748 | ||
89a47942 | 749 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
750 | printk(KERN_INFO |
751 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
752 | dev->core->name, dev->pci->subsystem_vendor, |
753 | dev->pci->subsystem_device, dev->core->board.name, | |
754 | dev->core->boardnr); | |
6c5be74c | 755 | |
8a317a87 JN |
756 | mutex_lock(&dev->core->lock); |
757 | ||
89a47942 | 758 | list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { |
6c5be74c ST |
759 | /* only unregister the correct driver type */ |
760 | if (d->type_id != drv->type_id) | |
761 | continue; | |
762 | ||
763 | err = d->remove(d); | |
764 | if (err == 0) { | |
89a47942 | 765 | list_del(&d->drvlist); |
a04036a3 | 766 | kfree(d); |
6c5be74c | 767 | } else |
5772f813 | 768 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
89a47942 | 769 | "failed (%d)\n", dev->core->name, err); |
6c5be74c ST |
770 | } |
771 | ||
8a317a87 | 772 | mutex_unlock(&dev->core->lock); |
6c5be74c ST |
773 | } |
774 | ||
344d6c6b JN |
775 | mutex_unlock(&cx8802_mutex); |
776 | ||
6c5be74c ST |
777 | return err; |
778 | } | |
779 | ||
1da177e4 | 780 | /* ----------------------------------------------------------- */ |
6c5be74c ST |
781 | static int __devinit cx8802_probe(struct pci_dev *pci_dev, |
782 | const struct pci_device_id *pci_id) | |
783 | { | |
784 | struct cx8802_dev *dev; | |
785 | struct cx88_core *core; | |
9212a572 | 786 | int err; |
6c5be74c ST |
787 | |
788 | /* general setup */ | |
789 | core = cx88_core_get(pci_dev); | |
790 | if (NULL == core) | |
791 | return -EINVAL; | |
792 | ||
793 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); | |
794 | ||
795 | err = -ENODEV; | |
6a59d64c | 796 | if (!core->board.mpeg) |
6c5be74c ST |
797 | goto fail_core; |
798 | ||
799 | err = -ENOMEM; | |
800 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | |
801 | if (NULL == dev) | |
802 | goto fail_core; | |
803 | dev->pci = pci_dev; | |
804 | dev->core = core; | |
805 | ||
e32fadc4 MCC |
806 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
807 | core->dvbdev = dev; | |
808 | ||
6c5be74c ST |
809 | err = cx8802_init_common(dev); |
810 | if (err != 0) | |
811 | goto fail_free; | |
812 | ||
081c2fc8 | 813 | INIT_LIST_HEAD(&dev->drvlist); |
344d6c6b | 814 | mutex_lock(&cx8802_mutex); |
6c5be74c | 815 | list_add_tail(&dev->devlist,&cx8802_devlist); |
344d6c6b | 816 | mutex_unlock(&cx8802_mutex); |
1da177e4 | 817 | |
77b74774 MR |
818 | /* now autoload cx88-dvb or cx88-blackbird */ |
819 | request_modules(dev); | |
6c5be74c ST |
820 | return 0; |
821 | ||
822 | fail_free: | |
823 | kfree(dev); | |
824 | fail_core: | |
e32fadc4 | 825 | core->dvbdev = NULL; |
6c5be74c ST |
826 | cx88_core_put(core,pci_dev); |
827 | return err; | |
828 | } | |
829 | ||
830 | static void __devexit cx8802_remove(struct pci_dev *pci_dev) | |
831 | { | |
832 | struct cx8802_dev *dev; | |
6c5be74c ST |
833 | |
834 | dev = pci_get_drvdata(pci_dev); | |
835 | ||
32d83efc | 836 | dprintk( 1, "%s\n", __func__); |
6c5be74c | 837 | |
707bcf32 TH |
838 | flush_request_modules(dev); |
839 | ||
8a317a87 JN |
840 | mutex_lock(&dev->core->lock); |
841 | ||
081c2fc8 | 842 | if (!list_empty(&dev->drvlist)) { |
89a47942 | 843 | struct cx8802_driver *drv, *tmp; |
081c2fc8 TP |
844 | int err; |
845 | ||
846 | printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " | |
847 | "while cx8802 sub-drivers still loaded?!\n", | |
848 | dev->core->name); | |
849 | ||
89a47942 | 850 | list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { |
081c2fc8 TP |
851 | err = drv->remove(drv); |
852 | if (err == 0) { | |
89a47942 | 853 | list_del(&drv->drvlist); |
081c2fc8 TP |
854 | } else |
855 | printk(KERN_ERR "%s/2: cx8802 driver remove " | |
856 | "failed (%d)\n", dev->core->name, err); | |
a04036a3 | 857 | kfree(drv); |
6c5be74c | 858 | } |
6c5be74c ST |
859 | } |
860 | ||
8a317a87 JN |
861 | mutex_unlock(&dev->core->lock); |
862 | ||
6c5be74c ST |
863 | /* Destroy any 8802 reference. */ |
864 | dev->core->dvbdev = NULL; | |
865 | ||
866 | /* common */ | |
867 | cx8802_fini_common(dev); | |
868 | cx88_core_put(dev->core,dev->pci); | |
869 | kfree(dev); | |
870 | } | |
871 | ||
2e4e98e7 | 872 | static const struct pci_device_id cx8802_pci_tbl[] = { |
6c5be74c ST |
873 | { |
874 | .vendor = 0x14f1, | |
875 | .device = 0x8802, | |
876 | .subvendor = PCI_ANY_ID, | |
877 | .subdevice = PCI_ANY_ID, | |
878 | },{ | |
879 | /* --- end of list --- */ | |
880 | } | |
881 | }; | |
882 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
883 | ||
884 | static struct pci_driver cx8802_pci_driver = { | |
885 | .name = "cx88-mpeg driver manager", | |
886 | .id_table = cx8802_pci_tbl, | |
887 | .probe = cx8802_probe, | |
888 | .remove = __devexit_p(cx8802_remove), | |
889 | }; | |
890 | ||
31d0f845 | 891 | static int __init cx8802_init(void) |
6c5be74c | 892 | { |
5772f813 | 893 | printk(KERN_INFO "cx88/2: cx2388x MPEG-TS Driver Manager version %d.%d.%d loaded\n", |
6c5be74c ST |
894 | (CX88_VERSION_CODE >> 16) & 0xff, |
895 | (CX88_VERSION_CODE >> 8) & 0xff, | |
896 | CX88_VERSION_CODE & 0xff); | |
897 | #ifdef SNAPSHOT | |
898 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
899 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
900 | #endif | |
901 | return pci_register_driver(&cx8802_pci_driver); | |
902 | } | |
903 | ||
31d0f845 | 904 | static void __exit cx8802_fini(void) |
6c5be74c ST |
905 | { |
906 | pci_unregister_driver(&cx8802_pci_driver); | |
907 | } | |
908 | ||
909 | module_init(cx8802_init); | |
910 | module_exit(cx8802_fini); | |
1da177e4 LT |
911 | EXPORT_SYMBOL(cx8802_buf_prepare); |
912 | EXPORT_SYMBOL(cx8802_buf_queue); | |
913 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
914 | ||
6c5be74c ST |
915 | EXPORT_SYMBOL(cx8802_register_driver); |
916 | EXPORT_SYMBOL(cx8802_unregister_driver); | |
6c5be74c | 917 | EXPORT_SYMBOL(cx8802_get_driver); |
1da177e4 LT |
918 | /* ----------------------------------------------------------- */ |
919 | /* | |
920 | * Local variables: | |
921 | * c-basic-offset: 8 | |
922 | * End: | |
b45009b0 | 923 | * 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 | 924 | */ |