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); |
1da177e4 LT |
81 | /* ------------------------------------------------------------------ */ |
82 | ||
83 | static int cx8802_start_dma(struct cx8802_dev *dev, | |
84 | struct cx88_dmaqueue *q, | |
85 | struct cx88_buffer *buf) | |
86 | { | |
87 | struct cx88_core *core = dev->core; | |
88 | ||
7717cbed TP |
89 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", |
90 | buf->vb.width, buf->vb.height, buf->vb.field); | |
1da177e4 LT |
91 | |
92 | /* setup fifo + format */ | |
93 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], | |
94 | dev->ts_packet_size, buf->risc.dma); | |
95 | ||
96 | /* write TS length to chip */ | |
97 | cx_write(MO_TS_LNGTH, buf->vb.width); | |
98 | ||
1da177e4 LT |
99 | /* FIXME: this needs a review. |
100 | * also: move to cx88-blackbird + cx88-dvb source files? */ | |
101 | ||
6c5be74c ST |
102 | dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id); |
103 | ||
104 | if ( (core->active_type_id == CX88_MPEG_DVB) && | |
6a59d64c | 105 | (core->board.mpeg & CX88_MPEG_DVB) ) { |
6c5be74c ST |
106 | |
107 | dprintk( 1, "cx8802_start_dma doing .dvb\n"); | |
1da177e4 | 108 | /* negedge driven & software reset */ |
f1798495 | 109 | cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl); |
1da177e4 LT |
110 | udelay(100); |
111 | cx_write(MO_PINMUX_IO, 0x00); | |
60464da8 | 112 | cx_write(TS_HW_SOP_CNTRL, 0x47<<16|188<<4|0x01); |
6a59d64c | 113 | switch (core->boardnr) { |
e52e98a7 MCC |
114 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q: |
115 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T: | |
116 | case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: | |
da215d22 | 117 | case CX88_BOARD_PCHDTV_HD5500: |
41ef7c1e | 118 | cx_write(TS_SOP_STAT, 1<<13); |
e52e98a7 | 119 | break; |
4f3ca2f1 DH |
120 | case CX88_BOARD_SAMSUNG_SMT_7020: |
121 | cx_write(TS_SOP_STAT, 0x00); | |
122 | break; | |
0fa14aa6 ST |
123 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: |
124 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: | |
125 | cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */ | |
126 | udelay(100); | |
127 | break; | |
6c5be74c | 128 | case CX88_BOARD_HAUPPAUGE_HVR1300: |
337ab6d3 SS |
129 | /* Enable MPEG parallel IO and video signal pins */ |
130 | cx_write(MO_PINMUX_IO, 0x88); | |
131 | cx_write(TS_SOP_STAT, 0); | |
132 | cx_write(TS_VALERR_CNTRL, 0); | |
6c5be74c | 133 | break; |
60464da8 | 134 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
4917019d ST |
135 | /* Enable MPEG parallel IO and video signal pins */ |
136 | cx_write(MO_PINMUX_IO, 0x88); | |
137 | cx_write(TS_HW_SOP_CNTRL, (0x47 << 16) | (188 << 4)); | |
138 | dev->ts_gen_cntrl = 5; | |
139 | cx_write(TS_SOP_STAT, 0); | |
140 | cx_write(TS_VALERR_CNTRL, 0); | |
60464da8 ST |
141 | udelay(100); |
142 | break; | |
e52e98a7 | 143 | default: |
41ef7c1e | 144 | cx_write(TS_SOP_STAT, 0x00); |
e52e98a7 | 145 | break; |
f1798495 | 146 | } |
1da177e4 LT |
147 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
148 | udelay(100); | |
6c5be74c | 149 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
6a59d64c | 150 | (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) { |
6c5be74c | 151 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); |
1da177e4 LT |
152 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
153 | ||
1da177e4 LT |
154 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
155 | udelay(100); | |
156 | ||
157 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ | |
1da177e4 LT |
158 | cx_write(TS_VALERR_CNTRL, 0x2000); |
159 | ||
160 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ | |
161 | udelay(100); | |
6c5be74c | 162 | } else { |
32d83efc | 163 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__, |
6a59d64c | 164 | core->board.mpeg ); |
6c5be74c | 165 | return -EINVAL; |
1da177e4 | 166 | } |
1da177e4 LT |
167 | |
168 | /* reset counter */ | |
169 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
170 | q->count = 1; | |
171 | ||
172 | /* enable irqs */ | |
76d313bf | 173 | dprintk( 1, "setting the interrupt mask\n" ); |
8ddac9ee | 174 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT); |
b45009b0 | 175 | cx_set(MO_TS_INTMSK, 0x1f0011); |
1da177e4 LT |
176 | |
177 | /* start dma */ | |
b45009b0 MCC |
178 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
179 | cx_set(MO_TS_DMACNTRL, 0x11); | |
1da177e4 LT |
180 | return 0; |
181 | } | |
182 | ||
183 | static int cx8802_stop_dma(struct cx8802_dev *dev) | |
184 | { | |
185 | struct cx88_core *core = dev->core; | |
76d313bf | 186 | dprintk( 1, "cx8802_stop_dma\n" ); |
1da177e4 LT |
187 | |
188 | /* stop dma */ | |
189 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
190 | ||
191 | /* disable irqs */ | |
8ddac9ee | 192 | cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT); |
1da177e4 LT |
193 | cx_clear(MO_TS_INTMSK, 0x1f0011); |
194 | ||
195 | /* Reset the controller */ | |
196 | cx_write(TS_GEN_CNTRL, 0xcd); | |
197 | return 0; | |
198 | } | |
199 | ||
200 | static int cx8802_restart_queue(struct cx8802_dev *dev, | |
201 | struct cx88_dmaqueue *q) | |
202 | { | |
203 | struct cx88_buffer *buf; | |
1da177e4 | 204 | |
b930e1d8 | 205 | dprintk( 1, "cx8802_restart_queue\n" ); |
1da177e4 | 206 | if (list_empty(&q->active)) |
b45009b0 | 207 | { |
b930e1d8 MK |
208 | struct cx88_buffer *prev; |
209 | prev = NULL; | |
210 | ||
211 | dprintk(1, "cx8802_restart_queue: queue is empty\n" ); | |
212 | ||
213 | for (;;) { | |
214 | if (list_empty(&q->queued)) | |
215 | return 0; | |
216 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); | |
217 | if (NULL == prev) { | |
218 | list_del(&buf->vb.queue); | |
219 | list_add_tail(&buf->vb.queue,&q->active); | |
220 | cx8802_start_dma(dev, q, buf); | |
0fc0686e | 221 | buf->vb.state = VIDEOBUF_ACTIVE; |
b930e1d8 MK |
222 | buf->count = q->count++; |
223 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
224 | dprintk(1,"[%p/%d] restart_queue - first active\n", | |
225 | buf,buf->vb.i); | |
226 | ||
227 | } else if (prev->vb.width == buf->vb.width && | |
228 | prev->vb.height == buf->vb.height && | |
229 | prev->fmt == buf->fmt) { | |
230 | list_del(&buf->vb.queue); | |
231 | list_add_tail(&buf->vb.queue,&q->active); | |
0fc0686e | 232 | buf->vb.state = VIDEOBUF_ACTIVE; |
b930e1d8 MK |
233 | buf->count = q->count++; |
234 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
235 | dprintk(1,"[%p/%d] restart_queue - move to active\n", | |
236 | buf,buf->vb.i); | |
237 | } else { | |
238 | return 0; | |
239 | } | |
240 | prev = buf; | |
241 | } | |
1da177e4 | 242 | return 0; |
b45009b0 | 243 | } |
1da177e4 LT |
244 | |
245 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
246 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
247 | buf, buf->vb.i); | |
248 | cx8802_start_dma(dev, q, buf); | |
89a47942 | 249 | list_for_each_entry(buf, &q->active, vb.queue) |
1da177e4 | 250 | buf->count = q->count++; |
1da177e4 LT |
251 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
252 | return 0; | |
253 | } | |
254 | ||
255 | /* ------------------------------------------------------------------ */ | |
256 | ||
c7b0ac05 MCC |
257 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
258 | struct cx88_buffer *buf, enum v4l2_field field) | |
1da177e4 LT |
259 | { |
260 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
c1accaa2 | 261 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
1da177e4 LT |
262 | int rc; |
263 | ||
32d83efc | 264 | dprintk(1, "%s: %p\n", __func__, buf); |
1da177e4 LT |
265 | if (0 != buf->vb.baddr && buf->vb.bsize < size) |
266 | return -EINVAL; | |
267 | ||
0fc0686e | 268 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
1da177e4 LT |
269 | buf->vb.width = dev->ts_packet_size; |
270 | buf->vb.height = dev->ts_packet_count; | |
271 | buf->vb.size = size; | |
31629424 | 272 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
1da177e4 | 273 | |
c7b0ac05 | 274 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
1da177e4 LT |
275 | goto fail; |
276 | cx88_risc_databuffer(dev->pci, &buf->risc, | |
c1accaa2 | 277 | dma->sglist, |
05b27233 | 278 | buf->vb.width, buf->vb.height, 0); |
1da177e4 | 279 | } |
0fc0686e | 280 | buf->vb.state = VIDEOBUF_PREPARED; |
1da177e4 LT |
281 | return 0; |
282 | ||
283 | fail: | |
c7b0ac05 | 284 | cx88_free_buffer(q,buf); |
1da177e4 LT |
285 | return rc; |
286 | } | |
287 | ||
288 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
289 | { | |
290 | struct cx88_buffer *prev; | |
c7b0ac05 | 291 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
1da177e4 | 292 | |
b45009b0 | 293 | dprintk( 1, "cx8802_buf_queue\n" ); |
1da177e4 LT |
294 | /* add jump to stopper */ |
295 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
c7b0ac05 | 296 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
1da177e4 | 297 | |
c7b0ac05 | 298 | if (list_empty(&cx88q->active)) { |
76d313bf | 299 | dprintk( 1, "queue is empty - first active\n" ); |
c7b0ac05 MCC |
300 | list_add_tail(&buf->vb.queue,&cx88q->active); |
301 | cx8802_start_dma(dev, cx88q, buf); | |
0fc0686e | 302 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 MCC |
303 | buf->count = cx88q->count++; |
304 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); | |
76d313bf | 305 | dprintk(1,"[%p/%d] %s - first active\n", |
32d83efc | 306 | buf, buf->vb.i, __func__); |
1da177e4 LT |
307 | |
308 | } else { | |
b45009b0 | 309 | dprintk( 1, "queue is not empty - append to active\n" ); |
c7b0ac05 MCC |
310 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
311 | list_add_tail(&buf->vb.queue,&cx88q->active); | |
0fc0686e | 312 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 | 313 | buf->count = cx88q->count++; |
1da177e4 | 314 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
b45009b0 | 315 | dprintk( 1, "[%p/%d] %s - append to active\n", |
32d83efc | 316 | buf, buf->vb.i, __func__); |
1da177e4 LT |
317 | } |
318 | } | |
319 | ||
320 | /* ----------------------------------------------------------- */ | |
321 | ||
2e4e98e7 | 322 | static void do_cancel_buffers(struct cx8802_dev *dev, const char *reason, int restart) |
1da177e4 LT |
323 | { |
324 | struct cx88_dmaqueue *q = &dev->mpegq; | |
325 | struct cx88_buffer *buf; | |
326 | unsigned long flags; | |
327 | ||
328 | spin_lock_irqsave(&dev->slock,flags); | |
329 | while (!list_empty(&q->active)) { | |
330 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
331 | list_del(&buf->vb.queue); | |
0fc0686e | 332 | buf->vb.state = VIDEOBUF_ERROR; |
1da177e4 LT |
333 | wake_up(&buf->vb.done); |
334 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | |
335 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | |
336 | } | |
337 | if (restart) | |
b45009b0 | 338 | { |
76d313bf | 339 | dprintk(1, "restarting queue\n" ); |
1da177e4 | 340 | cx8802_restart_queue(dev,q); |
b45009b0 | 341 | } |
1da177e4 LT |
342 | spin_unlock_irqrestore(&dev->slock,flags); |
343 | } | |
344 | ||
345 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
346 | { | |
347 | struct cx88_dmaqueue *q = &dev->mpegq; | |
348 | ||
b45009b0 | 349 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 LT |
350 | del_timer_sync(&q->timeout); |
351 | cx8802_stop_dma(dev); | |
352 | do_cancel_buffers(dev,"cancel",0); | |
353 | } | |
354 | ||
355 | static void cx8802_timeout(unsigned long data) | |
356 | { | |
357 | struct cx8802_dev *dev = (struct cx8802_dev*)data; | |
358 | ||
32d83efc | 359 | dprintk(1, "%s\n",__func__); |
1da177e4 LT |
360 | |
361 | if (debug) | |
362 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
363 | cx8802_stop_dma(dev); | |
364 | do_cancel_buffers(dev,"timeout",1); | |
365 | } | |
366 | ||
2e4e98e7 | 367 | static const char * cx88_mpeg_irqs[32] = { |
41ef7c1e MCC |
368 | "ts_risci1", NULL, NULL, NULL, |
369 | "ts_risci2", NULL, NULL, NULL, | |
370 | "ts_oflow", NULL, NULL, NULL, | |
371 | "ts_sync", NULL, NULL, NULL, | |
372 | "opc_err", "par_err", "rip_err", "pci_abort", | |
373 | "ts_err?", | |
374 | }; | |
375 | ||
1da177e4 LT |
376 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
377 | { | |
378 | struct cx88_core *core = dev->core; | |
379 | u32 status, mask, count; | |
380 | ||
b45009b0 | 381 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
382 | status = cx_read(MO_TS_INTSTAT); |
383 | mask = cx_read(MO_TS_INTMSK); | |
384 | if (0 == (status & mask)) | |
385 | return; | |
386 | ||
387 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 388 | |
1da177e4 LT |
389 | if (debug || (status & mask & ~0xff)) |
390 | cx88_print_irqbits(core->name, "irq mpeg ", | |
66623a04 MCC |
391 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
392 | status, mask); | |
1da177e4 LT |
393 | |
394 | /* risc op code error */ | |
395 | if (status & (1 << 16)) { | |
396 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
397 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
398 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
399 | } | |
400 | ||
401 | /* risc1 y */ | |
402 | if (status & 0x01) { | |
b45009b0 | 403 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
404 | spin_lock(&dev->slock); |
405 | count = cx_read(MO_TS_GPCNT); | |
406 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
407 | spin_unlock(&dev->slock); | |
408 | } | |
409 | ||
410 | /* risc2 y */ | |
411 | if (status & 0x10) { | |
412 | spin_lock(&dev->slock); | |
413 | cx8802_restart_queue(dev,&dev->mpegq); | |
414 | spin_unlock(&dev->slock); | |
415 | } | |
416 | ||
4ac97914 MCC |
417 | /* other general errors */ |
418 | if (status & 0x1f0100) { | |
b45009b0 | 419 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
4ac97914 | 420 | spin_lock(&dev->slock); |
1da177e4 | 421 | cx8802_stop_dma(dev); |
4ac97914 MCC |
422 | cx8802_restart_queue(dev,&dev->mpegq); |
423 | spin_unlock(&dev->slock); | |
424 | } | |
1da177e4 LT |
425 | } |
426 | ||
b45009b0 MCC |
427 | #define MAX_IRQ_LOOP 10 |
428 | ||
7d12e780 | 429 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
1da177e4 LT |
430 | { |
431 | struct cx8802_dev *dev = dev_id; | |
432 | struct cx88_core *core = dev->core; | |
433 | u32 status; | |
434 | int loop, handled = 0; | |
435 | ||
b45009b0 | 436 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
8ddac9ee TP |
437 | status = cx_read(MO_PCI_INTSTAT) & |
438 | (core->pci_irqmask | PCI_INT_TSINT); | |
1da177e4 LT |
439 | if (0 == status) |
440 | goto out; | |
b45009b0 MCC |
441 | dprintk( 1, "cx8802_irq\n" ); |
442 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
443 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
444 | handled = 1; |
445 | cx_write(MO_PCI_INTSTAT, status); | |
446 | ||
447 | if (status & core->pci_irqmask) | |
448 | cx88_core_irq(core,status); | |
8ddac9ee | 449 | if (status & PCI_INT_TSINT) |
1da177e4 LT |
450 | cx8802_mpeg_irq(dev); |
451 | }; | |
b45009b0 MCC |
452 | if (MAX_IRQ_LOOP == loop) { |
453 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
454 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
455 | core->name); | |
456 | cx_write(MO_PCI_INTMSK,0); | |
457 | } | |
458 | ||
459 | out: | |
460 | return IRQ_RETVAL(handled); | |
461 | } | |
462 | ||
a2fbaa51 | 463 | static int cx8802_init_common(struct cx8802_dev *dev) |
1da177e4 LT |
464 | { |
465 | struct cx88_core *core = dev->core; | |
466 | int err; | |
467 | ||
468 | /* pci init */ | |
469 | if (pci_enable_device(dev->pci)) | |
470 | return -EIO; | |
471 | pci_set_master(dev->pci); | |
284901a9 | 472 | if (!pci_dma_supported(dev->pci,DMA_BIT_MASK(32))) { |
1da177e4 LT |
473 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
474 | return -EIO; | |
475 | } | |
476 | ||
abd34d8d | 477 | dev->pci_rev = dev->pci->revision; |
4ac97914 MCC |
478 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
479 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
228aef63 | 480 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
1da177e4 | 481 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
228aef63 | 482 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
1da177e4 LT |
483 | |
484 | /* initialize driver struct */ | |
1da177e4 LT |
485 | spin_lock_init(&dev->slock); |
486 | ||
487 | /* init dma queue */ | |
488 | INIT_LIST_HEAD(&dev->mpegq.active); | |
489 | INIT_LIST_HEAD(&dev->mpegq.queued); | |
490 | dev->mpegq.timeout.function = cx8802_timeout; | |
491 | dev->mpegq.timeout.data = (unsigned long)dev; | |
492 | init_timer(&dev->mpegq.timeout); | |
493 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, | |
494 | MO_TS_DMACNTRL,0x11,0x00); | |
495 | ||
496 | /* get irq */ | |
497 | err = request_irq(dev->pci->irq, cx8802_irq, | |
8076fe32 | 498 | IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev); |
1da177e4 LT |
499 | if (err < 0) { |
500 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
501 | dev->core->name, dev->pci->irq); | |
502 | return err; | |
503 | } | |
504 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
505 | ||
506 | /* everything worked */ | |
507 | pci_set_drvdata(dev->pci,dev); | |
508 | return 0; | |
509 | } | |
510 | ||
a2fbaa51 | 511 | static void cx8802_fini_common(struct cx8802_dev *dev) |
1da177e4 | 512 | { |
b45009b0 | 513 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
514 | cx8802_stop_dma(dev); |
515 | pci_disable_device(dev->pci); | |
516 | ||
517 | /* unregister stuff */ | |
518 | free_irq(dev->pci->irq, dev); | |
519 | pci_set_drvdata(dev->pci, NULL); | |
520 | ||
521 | /* free memory */ | |
522 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); | |
523 | } | |
524 | ||
525 | /* ----------------------------------------------------------- */ | |
526 | ||
a2fbaa51 | 527 | static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) |
1da177e4 | 528 | { |
4ac97914 | 529 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
530 | struct cx88_core *core = dev->core; |
531 | ||
532 | /* stop mpeg dma */ | |
533 | spin_lock(&dev->slock); | |
534 | if (!list_empty(&dev->mpegq.active)) { | |
b45009b0 | 535 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
536 | printk("%s: suspend mpeg\n", core->name); |
537 | cx8802_stop_dma(dev); | |
538 | del_timer(&dev->mpegq.timeout); | |
539 | } | |
540 | spin_unlock(&dev->slock); | |
541 | ||
1da177e4 LT |
542 | /* FIXME -- shutdown device */ |
543 | cx88_shutdown(dev->core); | |
1da177e4 LT |
544 | |
545 | pci_save_state(pci_dev); | |
546 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
547 | pci_disable_device(pci_dev); | |
548 | dev->state.disabled = 1; | |
549 | } | |
550 | return 0; | |
551 | } | |
552 | ||
a2fbaa51 | 553 | static int cx8802_resume_common(struct pci_dev *pci_dev) |
1da177e4 | 554 | { |
08adb9e2 | 555 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 556 | struct cx88_core *core = dev->core; |
08adb9e2 | 557 | int err; |
1da177e4 LT |
558 | |
559 | if (dev->state.disabled) { | |
08adb9e2 MCC |
560 | err=pci_enable_device(pci_dev); |
561 | if (err) { | |
562 | printk(KERN_ERR "%s: can't enable device\n", | |
563 | dev->core->name); | |
564 | return err; | |
565 | } | |
1da177e4 LT |
566 | dev->state.disabled = 0; |
567 | } | |
08adb9e2 MCC |
568 | err=pci_set_power_state(pci_dev, PCI_D0); |
569 | if (err) { | |
570 | printk(KERN_ERR "%s: can't enable device\n", | |
571 | dev->core->name); | |
572 | pci_disable_device(pci_dev); | |
573 | dev->state.disabled = 1; | |
574 | ||
575 | return err; | |
576 | } | |
1da177e4 LT |
577 | pci_restore_state(pci_dev); |
578 | ||
1da177e4 LT |
579 | /* FIXME: re-initialize hardware */ |
580 | cx88_reset(dev->core); | |
1da177e4 LT |
581 | |
582 | /* restart video+vbi capture */ | |
583 | spin_lock(&dev->slock); | |
584 | if (!list_empty(&dev->mpegq.active)) { | |
585 | printk("%s: resume mpeg\n", core->name); | |
586 | cx8802_restart_queue(dev,&dev->mpegq); | |
587 | } | |
588 | spin_unlock(&dev->slock); | |
589 | ||
590 | return 0; | |
591 | } | |
592 | ||
6c5be74c ST |
593 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) |
594 | { | |
081c2fc8 | 595 | struct cx8802_driver *d; |
6c5be74c | 596 | |
89a47942 | 597 | list_for_each_entry(d, &dev->drvlist, drvlist) |
081c2fc8 TP |
598 | if (d->type_id == btype) |
599 | return d; | |
6c5be74c ST |
600 | |
601 | return NULL; | |
602 | } | |
603 | ||
604 | /* Driver asked for hardware access. */ | |
9df2ead5 | 605 | static int cx8802_request_acquire(struct cx8802_driver *drv) |
6c5be74c ST |
606 | { |
607 | struct cx88_core *core = drv->core; | |
d922b8ea | 608 | unsigned int i; |
6c5be74c ST |
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 | ||
d922b8ea IV |
615 | core->input = 0; |
616 | for (i = 0; | |
617 | i < (sizeof(core->board.input) / sizeof(struct cx88_input)); | |
618 | i++) { | |
619 | if (core->board.input[i].type == CX88_VMUX_DVB) { | |
620 | core->input = i; | |
621 | break; | |
622 | } | |
623 | } | |
c2cb8fcc | 624 | |
6c5be74c ST |
625 | if (drv->advise_acquire) |
626 | { | |
baff6cdd | 627 | core->active_ref++; |
27d0fe18 RS |
628 | if (core->active_type_id == CX88_BOARD_NONE) { |
629 | core->active_type_id = drv->type_id; | |
630 | drv->advise_acquire(drv); | |
631 | } | |
6c5be74c | 632 | |
32d83efc | 633 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
634 | } |
635 | ||
636 | return 0; | |
637 | } | |
638 | ||
639 | /* Driver asked to release hardware. */ | |
9df2ead5 | 640 | static int cx8802_request_release(struct cx8802_driver *drv) |
6c5be74c ST |
641 | { |
642 | struct cx88_core *core = drv->core; | |
643 | ||
27d0fe18 | 644 | if (drv->advise_release && --core->active_ref == 0) |
6c5be74c ST |
645 | { |
646 | drv->advise_release(drv); | |
647 | core->active_type_id = CX88_BOARD_NONE; | |
32d83efc | 648 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
649 | } |
650 | ||
651 | return 0; | |
652 | } | |
653 | ||
654 | static int cx8802_check_driver(struct cx8802_driver *drv) | |
655 | { | |
656 | if (drv == NULL) | |
657 | return -ENODEV; | |
658 | ||
659 | if ((drv->type_id != CX88_MPEG_DVB) && | |
660 | (drv->type_id != CX88_MPEG_BLACKBIRD)) | |
661 | return -EINVAL; | |
662 | ||
663 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && | |
664 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) | |
665 | return -EINVAL; | |
666 | ||
667 | if ((drv->probe == NULL) || | |
668 | (drv->remove == NULL) || | |
669 | (drv->advise_acquire == NULL) || | |
670 | (drv->advise_release == NULL)) | |
671 | return -EINVAL; | |
672 | ||
673 | return 0; | |
674 | } | |
675 | ||
676 | int cx8802_register_driver(struct cx8802_driver *drv) | |
677 | { | |
89a47942 | 678 | struct cx8802_dev *dev; |
6c5be74c | 679 | struct cx8802_driver *driver; |
89a47942 | 680 | int err, i = 0; |
6c5be74c | 681 | |
5772f813 TP |
682 | printk(KERN_INFO |
683 | "cx88/2: registering cx8802 driver, type: %s access: %s\n", | |
684 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
685 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c ST |
686 | |
687 | if ((err = cx8802_check_driver(drv)) != 0) { | |
5772f813 | 688 | printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n"); |
6c5be74c ST |
689 | return err; |
690 | } | |
691 | ||
89a47942 | 692 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
693 | printk(KERN_INFO |
694 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
695 | dev->core->name, dev->pci->subsystem_vendor, |
696 | dev->pci->subsystem_device, dev->core->board.name, | |
697 | dev->core->boardnr); | |
6c5be74c ST |
698 | |
699 | /* Bring up a new struct for each driver instance */ | |
700 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); | |
701 | if (driver == NULL) | |
702 | return -ENOMEM; | |
703 | ||
704 | /* Snapshot of the driver registration data */ | |
89a47942 | 705 | drv->core = dev->core; |
6c5be74c ST |
706 | drv->suspend = cx8802_suspend_common; |
707 | drv->resume = cx8802_resume_common; | |
708 | drv->request_acquire = cx8802_request_acquire; | |
709 | drv->request_release = cx8802_request_release; | |
710 | memcpy(driver, drv, sizeof(*driver)); | |
711 | ||
712 | err = drv->probe(driver); | |
713 | if (err == 0) { | |
019391e4 | 714 | i++; |
6c5be74c | 715 | mutex_lock(&drv->core->lock); |
89a47942 | 716 | list_add_tail(&driver->drvlist, &dev->drvlist); |
6c5be74c ST |
717 | mutex_unlock(&drv->core->lock); |
718 | } else { | |
5772f813 TP |
719 | printk(KERN_ERR |
720 | "%s/2: cx8802 probe failed, err = %d\n", | |
89a47942 | 721 | dev->core->name, err); |
6c5be74c ST |
722 | } |
723 | ||
724 | } | |
6c5be74c | 725 | |
89a47942 | 726 | return i ? 0 : -ENODEV; |
6c5be74c ST |
727 | } |
728 | ||
729 | int cx8802_unregister_driver(struct cx8802_driver *drv) | |
730 | { | |
89a47942 TP |
731 | struct cx8802_dev *dev; |
732 | struct cx8802_driver *d, *dtmp; | |
733 | int err = 0; | |
6c5be74c | 734 | |
5772f813 TP |
735 | printk(KERN_INFO |
736 | "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", | |
737 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
738 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c | 739 | |
89a47942 | 740 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
741 | printk(KERN_INFO |
742 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
743 | dev->core->name, dev->pci->subsystem_vendor, |
744 | dev->pci->subsystem_device, dev->core->board.name, | |
745 | dev->core->boardnr); | |
6c5be74c | 746 | |
8a317a87 JN |
747 | mutex_lock(&dev->core->lock); |
748 | ||
89a47942 | 749 | list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { |
6c5be74c ST |
750 | /* only unregister the correct driver type */ |
751 | if (d->type_id != drv->type_id) | |
752 | continue; | |
753 | ||
754 | err = d->remove(d); | |
755 | if (err == 0) { | |
89a47942 | 756 | list_del(&d->drvlist); |
a04036a3 | 757 | kfree(d); |
6c5be74c | 758 | } else |
5772f813 | 759 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
89a47942 | 760 | "failed (%d)\n", dev->core->name, err); |
6c5be74c ST |
761 | } |
762 | ||
8a317a87 | 763 | mutex_unlock(&dev->core->lock); |
6c5be74c ST |
764 | } |
765 | ||
766 | return err; | |
767 | } | |
768 | ||
1da177e4 | 769 | /* ----------------------------------------------------------- */ |
6c5be74c ST |
770 | static int __devinit cx8802_probe(struct pci_dev *pci_dev, |
771 | const struct pci_device_id *pci_id) | |
772 | { | |
773 | struct cx8802_dev *dev; | |
774 | struct cx88_core *core; | |
9212a572 | 775 | int err; |
6c5be74c ST |
776 | |
777 | /* general setup */ | |
778 | core = cx88_core_get(pci_dev); | |
779 | if (NULL == core) | |
780 | return -EINVAL; | |
781 | ||
782 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); | |
783 | ||
784 | err = -ENODEV; | |
6a59d64c | 785 | if (!core->board.mpeg) |
6c5be74c ST |
786 | goto fail_core; |
787 | ||
788 | err = -ENOMEM; | |
789 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | |
790 | if (NULL == dev) | |
791 | goto fail_core; | |
792 | dev->pci = pci_dev; | |
793 | dev->core = core; | |
794 | ||
e32fadc4 MCC |
795 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
796 | core->dvbdev = dev; | |
797 | ||
6c5be74c ST |
798 | err = cx8802_init_common(dev); |
799 | if (err != 0) | |
800 | goto fail_free; | |
801 | ||
081c2fc8 | 802 | INIT_LIST_HEAD(&dev->drvlist); |
6c5be74c | 803 | list_add_tail(&dev->devlist,&cx8802_devlist); |
1da177e4 | 804 | |
77b74774 MR |
805 | /* now autoload cx88-dvb or cx88-blackbird */ |
806 | request_modules(dev); | |
6c5be74c ST |
807 | return 0; |
808 | ||
809 | fail_free: | |
810 | kfree(dev); | |
811 | fail_core: | |
e32fadc4 | 812 | core->dvbdev = NULL; |
6c5be74c ST |
813 | cx88_core_put(core,pci_dev); |
814 | return err; | |
815 | } | |
816 | ||
817 | static void __devexit cx8802_remove(struct pci_dev *pci_dev) | |
818 | { | |
819 | struct cx8802_dev *dev; | |
6c5be74c ST |
820 | |
821 | dev = pci_get_drvdata(pci_dev); | |
822 | ||
32d83efc | 823 | dprintk( 1, "%s\n", __func__); |
6c5be74c | 824 | |
707bcf32 TH |
825 | flush_request_modules(dev); |
826 | ||
8a317a87 JN |
827 | mutex_lock(&dev->core->lock); |
828 | ||
081c2fc8 | 829 | if (!list_empty(&dev->drvlist)) { |
89a47942 | 830 | struct cx8802_driver *drv, *tmp; |
081c2fc8 TP |
831 | int err; |
832 | ||
833 | printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " | |
834 | "while cx8802 sub-drivers still loaded?!\n", | |
835 | dev->core->name); | |
836 | ||
89a47942 | 837 | list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { |
081c2fc8 TP |
838 | err = drv->remove(drv); |
839 | if (err == 0) { | |
89a47942 | 840 | list_del(&drv->drvlist); |
081c2fc8 TP |
841 | } else |
842 | printk(KERN_ERR "%s/2: cx8802 driver remove " | |
843 | "failed (%d)\n", dev->core->name, err); | |
a04036a3 | 844 | kfree(drv); |
6c5be74c | 845 | } |
6c5be74c ST |
846 | } |
847 | ||
8a317a87 JN |
848 | mutex_unlock(&dev->core->lock); |
849 | ||
6c5be74c ST |
850 | /* Destroy any 8802 reference. */ |
851 | dev->core->dvbdev = NULL; | |
852 | ||
853 | /* common */ | |
854 | cx8802_fini_common(dev); | |
855 | cx88_core_put(dev->core,dev->pci); | |
856 | kfree(dev); | |
857 | } | |
858 | ||
2e4e98e7 | 859 | static const struct pci_device_id cx8802_pci_tbl[] = { |
6c5be74c ST |
860 | { |
861 | .vendor = 0x14f1, | |
862 | .device = 0x8802, | |
863 | .subvendor = PCI_ANY_ID, | |
864 | .subdevice = PCI_ANY_ID, | |
865 | },{ | |
866 | /* --- end of list --- */ | |
867 | } | |
868 | }; | |
869 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
870 | ||
871 | static struct pci_driver cx8802_pci_driver = { | |
872 | .name = "cx88-mpeg driver manager", | |
873 | .id_table = cx8802_pci_tbl, | |
874 | .probe = cx8802_probe, | |
875 | .remove = __devexit_p(cx8802_remove), | |
876 | }; | |
877 | ||
31d0f845 | 878 | static int __init cx8802_init(void) |
6c5be74c | 879 | { |
5772f813 | 880 | printk(KERN_INFO "cx88/2: cx2388x MPEG-TS Driver Manager version %d.%d.%d loaded\n", |
6c5be74c ST |
881 | (CX88_VERSION_CODE >> 16) & 0xff, |
882 | (CX88_VERSION_CODE >> 8) & 0xff, | |
883 | CX88_VERSION_CODE & 0xff); | |
884 | #ifdef SNAPSHOT | |
885 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", | |
886 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
887 | #endif | |
888 | return pci_register_driver(&cx8802_pci_driver); | |
889 | } | |
890 | ||
31d0f845 | 891 | static void __exit cx8802_fini(void) |
6c5be74c ST |
892 | { |
893 | pci_unregister_driver(&cx8802_pci_driver); | |
894 | } | |
895 | ||
896 | module_init(cx8802_init); | |
897 | module_exit(cx8802_fini); | |
1da177e4 LT |
898 | EXPORT_SYMBOL(cx8802_buf_prepare); |
899 | EXPORT_SYMBOL(cx8802_buf_queue); | |
900 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
901 | ||
6c5be74c ST |
902 | EXPORT_SYMBOL(cx8802_register_driver); |
903 | EXPORT_SYMBOL(cx8802_unregister_driver); | |
6c5be74c | 904 | EXPORT_SYMBOL(cx8802_get_driver); |
1da177e4 LT |
905 | /* ----------------------------------------------------------- */ |
906 | /* | |
907 | * Local variables: | |
908 | * c-basic-offset: 8 | |
909 | * End: | |
b45009b0 | 910 | * 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 | 911 | */ |