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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"); | |
1990d50b | 42 | MODULE_VERSION(CX88_VERSION); |
1da177e4 | 43 | |
ff699e6b | 44 | static unsigned int debug; |
1da177e4 LT |
45 | module_param(debug,int,0644); |
46 | MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); | |
47 | ||
db613710 MCC |
48 | #define dprintk(level, fmt, arg...) do { \ |
49 | if (debug + 1 > level) \ | |
50 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg); \ | |
51 | } while(0) | |
1da177e4 | 52 | |
db613710 MCC |
53 | #define mpeg_dbg(level, fmt, arg...) do { \ |
54 | if (debug + 1 > level) \ | |
55 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg); \ | |
56 | } while(0) | |
6c5be74c | 57 | |
77b74774 MR |
58 | #if defined(CONFIG_MODULES) && defined(MODULE) |
59 | static void request_module_async(struct work_struct *work) | |
60 | { | |
61 | struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk); | |
ced80c67 | 62 | |
6a59d64c | 63 | if (dev->core->board.mpeg & CX88_MPEG_DVB) |
77b74774 | 64 | request_module("cx88-dvb"); |
6a59d64c | 65 | if (dev->core->board.mpeg & CX88_MPEG_BLACKBIRD) |
ced80c67 | 66 | request_module("cx88-blackbird"); |
77b74774 MR |
67 | } |
68 | ||
69 | static void request_modules(struct cx8802_dev *dev) | |
70 | { | |
71 | INIT_WORK(&dev->request_module_wk, request_module_async); | |
72 | schedule_work(&dev->request_module_wk); | |
73 | } | |
707bcf32 TH |
74 | |
75 | static void flush_request_modules(struct cx8802_dev *dev) | |
76 | { | |
43829731 | 77 | flush_work(&dev->request_module_wk); |
707bcf32 | 78 | } |
77b74774 MR |
79 | #else |
80 | #define request_modules(dev) | |
707bcf32 | 81 | #define flush_request_modules(dev) |
77b74774 MR |
82 | #endif /* CONFIG_MODULES */ |
83 | ||
84 | ||
6c5be74c | 85 | static LIST_HEAD(cx8802_devlist); |
344d6c6b | 86 | static DEFINE_MUTEX(cx8802_mutex); |
1da177e4 LT |
87 | /* ------------------------------------------------------------------ */ |
88 | ||
89 | static int cx8802_start_dma(struct cx8802_dev *dev, | |
90 | struct cx88_dmaqueue *q, | |
91 | struct cx88_buffer *buf) | |
92 | { | |
93 | struct cx88_core *core = dev->core; | |
94 | ||
7717cbed TP |
95 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", |
96 | buf->vb.width, buf->vb.height, buf->vb.field); | |
1da177e4 LT |
97 | |
98 | /* setup fifo + format */ | |
99 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], | |
100 | dev->ts_packet_size, buf->risc.dma); | |
101 | ||
102 | /* write TS length to chip */ | |
103 | cx_write(MO_TS_LNGTH, buf->vb.width); | |
104 | ||
1da177e4 LT |
105 | /* FIXME: this needs a review. |
106 | * also: move to cx88-blackbird + cx88-dvb source files? */ | |
107 | ||
6c5be74c ST |
108 | dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id); |
109 | ||
110 | if ( (core->active_type_id == CX88_MPEG_DVB) && | |
6a59d64c | 111 | (core->board.mpeg & CX88_MPEG_DVB) ) { |
6c5be74c ST |
112 | |
113 | dprintk( 1, "cx8802_start_dma doing .dvb\n"); | |
1da177e4 | 114 | /* negedge driven & software reset */ |
f1798495 | 115 | cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl); |
1da177e4 LT |
116 | udelay(100); |
117 | cx_write(MO_PINMUX_IO, 0x00); | |
60464da8 | 118 | cx_write(TS_HW_SOP_CNTRL, 0x47<<16|188<<4|0x01); |
6a59d64c | 119 | switch (core->boardnr) { |
e52e98a7 MCC |
120 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q: |
121 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T: | |
122 | case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: | |
da215d22 | 123 | case CX88_BOARD_PCHDTV_HD5500: |
41ef7c1e | 124 | cx_write(TS_SOP_STAT, 1<<13); |
e52e98a7 | 125 | break; |
4f3ca2f1 DH |
126 | case CX88_BOARD_SAMSUNG_SMT_7020: |
127 | cx_write(TS_SOP_STAT, 0x00); | |
128 | break; | |
0fa14aa6 ST |
129 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: |
130 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: | |
131 | cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */ | |
132 | udelay(100); | |
133 | break; | |
6c5be74c | 134 | case CX88_BOARD_HAUPPAUGE_HVR1300: |
337ab6d3 SS |
135 | /* Enable MPEG parallel IO and video signal pins */ |
136 | cx_write(MO_PINMUX_IO, 0x88); | |
137 | cx_write(TS_SOP_STAT, 0); | |
138 | cx_write(TS_VALERR_CNTRL, 0); | |
6c5be74c | 139 | break; |
60464da8 | 140 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
4917019d ST |
141 | /* Enable MPEG parallel IO and video signal pins */ |
142 | cx_write(MO_PINMUX_IO, 0x88); | |
143 | cx_write(TS_HW_SOP_CNTRL, (0x47 << 16) | (188 << 4)); | |
144 | dev->ts_gen_cntrl = 5; | |
145 | cx_write(TS_SOP_STAT, 0); | |
146 | cx_write(TS_VALERR_CNTRL, 0); | |
60464da8 ST |
147 | udelay(100); |
148 | break; | |
e52e98a7 | 149 | default: |
41ef7c1e | 150 | cx_write(TS_SOP_STAT, 0x00); |
e52e98a7 | 151 | break; |
f1798495 | 152 | } |
1da177e4 LT |
153 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
154 | udelay(100); | |
6c5be74c | 155 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
6a59d64c | 156 | (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) { |
6c5be74c | 157 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); |
1da177e4 LT |
158 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
159 | ||
1da177e4 LT |
160 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
161 | udelay(100); | |
162 | ||
163 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ | |
1da177e4 LT |
164 | cx_write(TS_VALERR_CNTRL, 0x2000); |
165 | ||
166 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ | |
167 | udelay(100); | |
6c5be74c | 168 | } else { |
32d83efc | 169 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__, |
6a59d64c | 170 | core->board.mpeg ); |
6c5be74c | 171 | return -EINVAL; |
1da177e4 | 172 | } |
1da177e4 LT |
173 | |
174 | /* reset counter */ | |
175 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
176 | q->count = 1; | |
177 | ||
178 | /* enable irqs */ | |
76d313bf | 179 | dprintk( 1, "setting the interrupt mask\n" ); |
8ddac9ee | 180 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT); |
b45009b0 | 181 | cx_set(MO_TS_INTMSK, 0x1f0011); |
1da177e4 LT |
182 | |
183 | /* start dma */ | |
b45009b0 MCC |
184 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
185 | cx_set(MO_TS_DMACNTRL, 0x11); | |
1da177e4 LT |
186 | return 0; |
187 | } | |
188 | ||
189 | static int cx8802_stop_dma(struct cx8802_dev *dev) | |
190 | { | |
191 | struct cx88_core *core = dev->core; | |
76d313bf | 192 | dprintk( 1, "cx8802_stop_dma\n" ); |
1da177e4 LT |
193 | |
194 | /* stop dma */ | |
195 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
196 | ||
197 | /* disable irqs */ | |
8ddac9ee | 198 | cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT); |
1da177e4 LT |
199 | cx_clear(MO_TS_INTMSK, 0x1f0011); |
200 | ||
201 | /* Reset the controller */ | |
202 | cx_write(TS_GEN_CNTRL, 0xcd); | |
203 | return 0; | |
204 | } | |
205 | ||
206 | static int cx8802_restart_queue(struct cx8802_dev *dev, | |
207 | struct cx88_dmaqueue *q) | |
208 | { | |
209 | struct cx88_buffer *buf; | |
1da177e4 | 210 | |
b930e1d8 | 211 | dprintk( 1, "cx8802_restart_queue\n" ); |
1da177e4 LT |
212 | if (list_empty(&q->active)) |
213 | return 0; | |
214 | ||
215 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
216 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
217 | buf, buf->vb.i); | |
218 | cx8802_start_dma(dev, q, buf); | |
89a47942 | 219 | list_for_each_entry(buf, &q->active, vb.queue) |
1da177e4 | 220 | buf->count = q->count++; |
1da177e4 LT |
221 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
222 | return 0; | |
223 | } | |
224 | ||
225 | /* ------------------------------------------------------------------ */ | |
226 | ||
c7b0ac05 MCC |
227 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
228 | struct cx88_buffer *buf, enum v4l2_field field) | |
1da177e4 LT |
229 | { |
230 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
c1accaa2 | 231 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
1da177e4 LT |
232 | int rc; |
233 | ||
32d83efc | 234 | dprintk(1, "%s: %p\n", __func__, buf); |
1da177e4 LT |
235 | if (0 != buf->vb.baddr && buf->vb.bsize < size) |
236 | return -EINVAL; | |
237 | ||
0fc0686e | 238 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
1da177e4 LT |
239 | buf->vb.width = dev->ts_packet_size; |
240 | buf->vb.height = dev->ts_packet_count; | |
241 | buf->vb.size = size; | |
31629424 | 242 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
1da177e4 | 243 | |
c7b0ac05 | 244 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
1da177e4 LT |
245 | goto fail; |
246 | cx88_risc_databuffer(dev->pci, &buf->risc, | |
c1accaa2 | 247 | dma->sglist, |
05b27233 | 248 | buf->vb.width, buf->vb.height, 0); |
1da177e4 | 249 | } |
0fc0686e | 250 | buf->vb.state = VIDEOBUF_PREPARED; |
1da177e4 LT |
251 | return 0; |
252 | ||
253 | fail: | |
c7b0ac05 | 254 | cx88_free_buffer(q,buf); |
1da177e4 LT |
255 | return rc; |
256 | } | |
257 | ||
258 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
259 | { | |
260 | struct cx88_buffer *prev; | |
c7b0ac05 | 261 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
1da177e4 | 262 | |
b45009b0 | 263 | dprintk( 1, "cx8802_buf_queue\n" ); |
1da177e4 LT |
264 | /* add jump to stopper */ |
265 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
c7b0ac05 | 266 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
1da177e4 | 267 | |
c7b0ac05 | 268 | if (list_empty(&cx88q->active)) { |
76d313bf | 269 | dprintk( 1, "queue is empty - first active\n" ); |
c7b0ac05 MCC |
270 | list_add_tail(&buf->vb.queue,&cx88q->active); |
271 | cx8802_start_dma(dev, cx88q, buf); | |
0fc0686e | 272 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 MCC |
273 | buf->count = cx88q->count++; |
274 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); | |
76d313bf | 275 | dprintk(1,"[%p/%d] %s - first active\n", |
32d83efc | 276 | buf, buf->vb.i, __func__); |
1da177e4 LT |
277 | |
278 | } else { | |
b45009b0 | 279 | dprintk( 1, "queue is not empty - append to active\n" ); |
c7b0ac05 MCC |
280 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
281 | list_add_tail(&buf->vb.queue,&cx88q->active); | |
0fc0686e | 282 | buf->vb.state = VIDEOBUF_ACTIVE; |
c7b0ac05 | 283 | buf->count = cx88q->count++; |
1da177e4 | 284 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
b45009b0 | 285 | dprintk( 1, "[%p/%d] %s - append to active\n", |
32d83efc | 286 | buf, buf->vb.i, __func__); |
1da177e4 LT |
287 | } |
288 | } | |
289 | ||
290 | /* ----------------------------------------------------------- */ | |
291 | ||
2e4e98e7 | 292 | static void do_cancel_buffers(struct cx8802_dev *dev, const char *reason, int restart) |
1da177e4 LT |
293 | { |
294 | struct cx88_dmaqueue *q = &dev->mpegq; | |
295 | struct cx88_buffer *buf; | |
296 | unsigned long flags; | |
297 | ||
298 | spin_lock_irqsave(&dev->slock,flags); | |
299 | while (!list_empty(&q->active)) { | |
300 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
301 | list_del(&buf->vb.queue); | |
0fc0686e | 302 | buf->vb.state = VIDEOBUF_ERROR; |
1da177e4 LT |
303 | wake_up(&buf->vb.done); |
304 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | |
305 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | |
306 | } | |
307 | if (restart) | |
b45009b0 | 308 | { |
76d313bf | 309 | dprintk(1, "restarting queue\n" ); |
1da177e4 | 310 | cx8802_restart_queue(dev,q); |
b45009b0 | 311 | } |
1da177e4 LT |
312 | spin_unlock_irqrestore(&dev->slock,flags); |
313 | } | |
314 | ||
315 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
316 | { | |
317 | struct cx88_dmaqueue *q = &dev->mpegq; | |
318 | ||
b45009b0 | 319 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 LT |
320 | del_timer_sync(&q->timeout); |
321 | cx8802_stop_dma(dev); | |
322 | do_cancel_buffers(dev,"cancel",0); | |
323 | } | |
324 | ||
325 | static void cx8802_timeout(unsigned long data) | |
326 | { | |
327 | struct cx8802_dev *dev = (struct cx8802_dev*)data; | |
328 | ||
32d83efc | 329 | dprintk(1, "%s\n",__func__); |
1da177e4 LT |
330 | |
331 | if (debug) | |
332 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
333 | cx8802_stop_dma(dev); | |
334 | do_cancel_buffers(dev,"timeout",1); | |
335 | } | |
336 | ||
2e4e98e7 | 337 | static const char * cx88_mpeg_irqs[32] = { |
41ef7c1e MCC |
338 | "ts_risci1", NULL, NULL, NULL, |
339 | "ts_risci2", NULL, NULL, NULL, | |
340 | "ts_oflow", NULL, NULL, NULL, | |
341 | "ts_sync", NULL, NULL, NULL, | |
342 | "opc_err", "par_err", "rip_err", "pci_abort", | |
343 | "ts_err?", | |
344 | }; | |
345 | ||
1da177e4 LT |
346 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
347 | { | |
348 | struct cx88_core *core = dev->core; | |
349 | u32 status, mask, count; | |
350 | ||
b45009b0 | 351 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
352 | status = cx_read(MO_TS_INTSTAT); |
353 | mask = cx_read(MO_TS_INTMSK); | |
354 | if (0 == (status & mask)) | |
355 | return; | |
356 | ||
357 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 358 | |
1da177e4 LT |
359 | if (debug || (status & mask & ~0xff)) |
360 | cx88_print_irqbits(core->name, "irq mpeg ", | |
66623a04 MCC |
361 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
362 | status, mask); | |
1da177e4 LT |
363 | |
364 | /* risc op code error */ | |
365 | if (status & (1 << 16)) { | |
366 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
367 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
368 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
369 | } | |
370 | ||
371 | /* risc1 y */ | |
372 | if (status & 0x01) { | |
b45009b0 | 373 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
374 | spin_lock(&dev->slock); |
375 | count = cx_read(MO_TS_GPCNT); | |
376 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
377 | spin_unlock(&dev->slock); | |
378 | } | |
379 | ||
380 | /* risc2 y */ | |
381 | if (status & 0x10) { | |
382 | spin_lock(&dev->slock); | |
383 | cx8802_restart_queue(dev,&dev->mpegq); | |
384 | spin_unlock(&dev->slock); | |
385 | } | |
386 | ||
4ac97914 MCC |
387 | /* other general errors */ |
388 | if (status & 0x1f0100) { | |
b45009b0 | 389 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
4ac97914 | 390 | spin_lock(&dev->slock); |
1da177e4 | 391 | cx8802_stop_dma(dev); |
4ac97914 MCC |
392 | cx8802_restart_queue(dev,&dev->mpegq); |
393 | spin_unlock(&dev->slock); | |
394 | } | |
1da177e4 LT |
395 | } |
396 | ||
b45009b0 MCC |
397 | #define MAX_IRQ_LOOP 10 |
398 | ||
7d12e780 | 399 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
1da177e4 LT |
400 | { |
401 | struct cx8802_dev *dev = dev_id; | |
402 | struct cx88_core *core = dev->core; | |
403 | u32 status; | |
404 | int loop, handled = 0; | |
405 | ||
b45009b0 | 406 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
8ddac9ee TP |
407 | status = cx_read(MO_PCI_INTSTAT) & |
408 | (core->pci_irqmask | PCI_INT_TSINT); | |
1da177e4 LT |
409 | if (0 == status) |
410 | goto out; | |
b45009b0 MCC |
411 | dprintk( 1, "cx8802_irq\n" ); |
412 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
413 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
414 | handled = 1; |
415 | cx_write(MO_PCI_INTSTAT, status); | |
416 | ||
417 | if (status & core->pci_irqmask) | |
418 | cx88_core_irq(core,status); | |
8ddac9ee | 419 | if (status & PCI_INT_TSINT) |
1da177e4 | 420 | cx8802_mpeg_irq(dev); |
c2c1b415 | 421 | } |
b45009b0 MCC |
422 | if (MAX_IRQ_LOOP == loop) { |
423 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
424 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
425 | core->name); | |
426 | cx_write(MO_PCI_INTMSK,0); | |
427 | } | |
428 | ||
429 | out: | |
430 | return IRQ_RETVAL(handled); | |
431 | } | |
432 | ||
a2fbaa51 | 433 | static int cx8802_init_common(struct cx8802_dev *dev) |
1da177e4 LT |
434 | { |
435 | struct cx88_core *core = dev->core; | |
436 | int err; | |
437 | ||
438 | /* pci init */ | |
439 | if (pci_enable_device(dev->pci)) | |
440 | return -EIO; | |
441 | pci_set_master(dev->pci); | |
284901a9 | 442 | if (!pci_dma_supported(dev->pci,DMA_BIT_MASK(32))) { |
1da177e4 LT |
443 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
444 | return -EIO; | |
445 | } | |
446 | ||
abd34d8d | 447 | dev->pci_rev = dev->pci->revision; |
4ac97914 MCC |
448 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
449 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
228aef63 | 450 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
1da177e4 | 451 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
228aef63 | 452 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
1da177e4 LT |
453 | |
454 | /* initialize driver struct */ | |
1da177e4 LT |
455 | spin_lock_init(&dev->slock); |
456 | ||
457 | /* init dma queue */ | |
458 | INIT_LIST_HEAD(&dev->mpegq.active); | |
1da177e4 LT |
459 | dev->mpegq.timeout.function = cx8802_timeout; |
460 | dev->mpegq.timeout.data = (unsigned long)dev; | |
461 | init_timer(&dev->mpegq.timeout); | |
462 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, | |
463 | MO_TS_DMACNTRL,0x11,0x00); | |
464 | ||
465 | /* get irq */ | |
466 | err = request_irq(dev->pci->irq, cx8802_irq, | |
3e018fe4 | 467 | IRQF_SHARED, dev->core->name, dev); |
1da177e4 LT |
468 | if (err < 0) { |
469 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
470 | dev->core->name, dev->pci->irq); | |
471 | return err; | |
472 | } | |
473 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
474 | ||
475 | /* everything worked */ | |
476 | pci_set_drvdata(dev->pci,dev); | |
477 | return 0; | |
478 | } | |
479 | ||
a2fbaa51 | 480 | static void cx8802_fini_common(struct cx8802_dev *dev) |
1da177e4 | 481 | { |
b45009b0 | 482 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
483 | cx8802_stop_dma(dev); |
484 | pci_disable_device(dev->pci); | |
485 | ||
486 | /* unregister stuff */ | |
487 | free_irq(dev->pci->irq, dev); | |
1da177e4 LT |
488 | |
489 | /* free memory */ | |
490 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); | |
491 | } | |
492 | ||
493 | /* ----------------------------------------------------------- */ | |
494 | ||
a2fbaa51 | 495 | static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) |
1da177e4 | 496 | { |
4ac97914 | 497 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 498 | struct cx88_core *core = dev->core; |
5ddfbbb9 | 499 | unsigned long flags; |
1da177e4 LT |
500 | |
501 | /* stop mpeg dma */ | |
5ddfbbb9 | 502 | spin_lock_irqsave(&dev->slock, flags); |
1da177e4 | 503 | if (!list_empty(&dev->mpegq.active)) { |
b45009b0 | 504 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
505 | printk("%s: suspend mpeg\n", core->name); |
506 | cx8802_stop_dma(dev); | |
507 | del_timer(&dev->mpegq.timeout); | |
508 | } | |
5ddfbbb9 | 509 | spin_unlock_irqrestore(&dev->slock, flags); |
1da177e4 | 510 | |
1da177e4 LT |
511 | /* FIXME -- shutdown device */ |
512 | cx88_shutdown(dev->core); | |
1da177e4 LT |
513 | |
514 | pci_save_state(pci_dev); | |
515 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
516 | pci_disable_device(pci_dev); | |
517 | dev->state.disabled = 1; | |
518 | } | |
519 | return 0; | |
520 | } | |
521 | ||
a2fbaa51 | 522 | static int cx8802_resume_common(struct pci_dev *pci_dev) |
1da177e4 | 523 | { |
08adb9e2 | 524 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 525 | struct cx88_core *core = dev->core; |
5ddfbbb9 | 526 | unsigned long flags; |
08adb9e2 | 527 | int err; |
1da177e4 LT |
528 | |
529 | if (dev->state.disabled) { | |
08adb9e2 MCC |
530 | err=pci_enable_device(pci_dev); |
531 | if (err) { | |
532 | printk(KERN_ERR "%s: can't enable device\n", | |
533 | dev->core->name); | |
534 | return err; | |
535 | } | |
1da177e4 LT |
536 | dev->state.disabled = 0; |
537 | } | |
08adb9e2 MCC |
538 | err=pci_set_power_state(pci_dev, PCI_D0); |
539 | if (err) { | |
540 | printk(KERN_ERR "%s: can't enable device\n", | |
541 | dev->core->name); | |
542 | pci_disable_device(pci_dev); | |
543 | dev->state.disabled = 1; | |
544 | ||
545 | return err; | |
546 | } | |
1da177e4 LT |
547 | pci_restore_state(pci_dev); |
548 | ||
1da177e4 LT |
549 | /* FIXME: re-initialize hardware */ |
550 | cx88_reset(dev->core); | |
1da177e4 LT |
551 | |
552 | /* restart video+vbi capture */ | |
5ddfbbb9 | 553 | spin_lock_irqsave(&dev->slock, flags); |
1da177e4 LT |
554 | if (!list_empty(&dev->mpegq.active)) { |
555 | printk("%s: resume mpeg\n", core->name); | |
556 | cx8802_restart_queue(dev,&dev->mpegq); | |
557 | } | |
5ddfbbb9 | 558 | spin_unlock_irqrestore(&dev->slock, flags); |
1da177e4 LT |
559 | |
560 | return 0; | |
561 | } | |
562 | ||
6c5be74c ST |
563 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) |
564 | { | |
081c2fc8 | 565 | struct cx8802_driver *d; |
6c5be74c | 566 | |
89a47942 | 567 | list_for_each_entry(d, &dev->drvlist, drvlist) |
081c2fc8 TP |
568 | if (d->type_id == btype) |
569 | return d; | |
6c5be74c ST |
570 | |
571 | return NULL; | |
572 | } | |
573 | ||
574 | /* Driver asked for hardware access. */ | |
9df2ead5 | 575 | static int cx8802_request_acquire(struct cx8802_driver *drv) |
6c5be74c ST |
576 | { |
577 | struct cx88_core *core = drv->core; | |
d922b8ea | 578 | unsigned int i; |
6c5be74c ST |
579 | |
580 | /* Fail a request for hardware if the device is busy. */ | |
27d0fe18 RS |
581 | if (core->active_type_id != CX88_BOARD_NONE && |
582 | core->active_type_id != drv->type_id) | |
6c5be74c ST |
583 | return -EBUSY; |
584 | ||
243bf1a2 DH |
585 | if (drv->type_id == CX88_MPEG_DVB) { |
586 | /* When switching to DVB, always set the input to the tuner */ | |
587 | core->last_analog_input = core->input; | |
588 | core->input = 0; | |
589 | for (i = 0; | |
590 | i < (sizeof(core->board.input) / sizeof(struct cx88_input)); | |
591 | i++) { | |
592 | if (core->board.input[i].type == CX88_VMUX_DVB) { | |
593 | core->input = i; | |
594 | break; | |
595 | } | |
d922b8ea IV |
596 | } |
597 | } | |
c2cb8fcc | 598 | |
6c5be74c ST |
599 | if (drv->advise_acquire) |
600 | { | |
baff6cdd | 601 | core->active_ref++; |
27d0fe18 RS |
602 | if (core->active_type_id == CX88_BOARD_NONE) { |
603 | core->active_type_id = drv->type_id; | |
604 | drv->advise_acquire(drv); | |
605 | } | |
6c5be74c | 606 | |
32d83efc | 607 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
608 | } |
609 | ||
610 | return 0; | |
611 | } | |
612 | ||
613 | /* Driver asked to release hardware. */ | |
9df2ead5 | 614 | static int cx8802_request_release(struct cx8802_driver *drv) |
6c5be74c ST |
615 | { |
616 | struct cx88_core *core = drv->core; | |
617 | ||
27d0fe18 | 618 | if (drv->advise_release && --core->active_ref == 0) |
6c5be74c | 619 | { |
243bf1a2 DH |
620 | if (drv->type_id == CX88_MPEG_DVB) { |
621 | /* If the DVB driver is releasing, reset the input | |
622 | state to the last configured analog input */ | |
623 | core->input = core->last_analog_input; | |
624 | } | |
625 | ||
6c5be74c ST |
626 | drv->advise_release(drv); |
627 | core->active_type_id = CX88_BOARD_NONE; | |
32d83efc | 628 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
629 | } |
630 | ||
631 | return 0; | |
632 | } | |
633 | ||
634 | static int cx8802_check_driver(struct cx8802_driver *drv) | |
635 | { | |
636 | if (drv == NULL) | |
637 | return -ENODEV; | |
638 | ||
639 | if ((drv->type_id != CX88_MPEG_DVB) && | |
640 | (drv->type_id != CX88_MPEG_BLACKBIRD)) | |
641 | return -EINVAL; | |
642 | ||
643 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && | |
644 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) | |
645 | return -EINVAL; | |
646 | ||
647 | if ((drv->probe == NULL) || | |
648 | (drv->remove == NULL) || | |
649 | (drv->advise_acquire == NULL) || | |
650 | (drv->advise_release == NULL)) | |
651 | return -EINVAL; | |
652 | ||
653 | return 0; | |
654 | } | |
655 | ||
656 | int cx8802_register_driver(struct cx8802_driver *drv) | |
657 | { | |
89a47942 | 658 | struct cx8802_dev *dev; |
6c5be74c | 659 | struct cx8802_driver *driver; |
89a47942 | 660 | int err, i = 0; |
6c5be74c | 661 | |
5772f813 TP |
662 | printk(KERN_INFO |
663 | "cx88/2: registering cx8802 driver, type: %s access: %s\n", | |
664 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
665 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c ST |
666 | |
667 | if ((err = cx8802_check_driver(drv)) != 0) { | |
5772f813 | 668 | printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n"); |
6c5be74c ST |
669 | return err; |
670 | } | |
671 | ||
344d6c6b JN |
672 | mutex_lock(&cx8802_mutex); |
673 | ||
89a47942 | 674 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
675 | printk(KERN_INFO |
676 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
677 | dev->core->name, dev->pci->subsystem_vendor, |
678 | dev->pci->subsystem_device, dev->core->board.name, | |
679 | dev->core->boardnr); | |
6c5be74c ST |
680 | |
681 | /* Bring up a new struct for each driver instance */ | |
682 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); | |
344d6c6b JN |
683 | if (driver == NULL) { |
684 | err = -ENOMEM; | |
685 | goto out; | |
686 | } | |
6c5be74c ST |
687 | |
688 | /* Snapshot of the driver registration data */ | |
89a47942 | 689 | drv->core = dev->core; |
6c5be74c ST |
690 | drv->suspend = cx8802_suspend_common; |
691 | drv->resume = cx8802_resume_common; | |
692 | drv->request_acquire = cx8802_request_acquire; | |
693 | drv->request_release = cx8802_request_release; | |
694 | memcpy(driver, drv, sizeof(*driver)); | |
695 | ||
1d6213ab | 696 | mutex_lock(&drv->core->lock); |
6c5be74c ST |
697 | err = drv->probe(driver); |
698 | if (err == 0) { | |
019391e4 | 699 | i++; |
89a47942 | 700 | list_add_tail(&driver->drvlist, &dev->drvlist); |
6c5be74c | 701 | } else { |
5772f813 TP |
702 | printk(KERN_ERR |
703 | "%s/2: cx8802 probe failed, err = %d\n", | |
89a47942 | 704 | dev->core->name, err); |
6c5be74c | 705 | } |
1d6213ab | 706 | mutex_unlock(&drv->core->lock); |
6c5be74c | 707 | } |
6c5be74c | 708 | |
344d6c6b JN |
709 | err = i ? 0 : -ENODEV; |
710 | out: | |
711 | mutex_unlock(&cx8802_mutex); | |
712 | return err; | |
6c5be74c ST |
713 | } |
714 | ||
715 | int cx8802_unregister_driver(struct cx8802_driver *drv) | |
716 | { | |
89a47942 TP |
717 | struct cx8802_dev *dev; |
718 | struct cx8802_driver *d, *dtmp; | |
719 | int err = 0; | |
6c5be74c | 720 | |
5772f813 TP |
721 | printk(KERN_INFO |
722 | "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", | |
723 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
724 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c | 725 | |
344d6c6b JN |
726 | mutex_lock(&cx8802_mutex); |
727 | ||
89a47942 | 728 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
729 | printk(KERN_INFO |
730 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
731 | dev->core->name, dev->pci->subsystem_vendor, |
732 | dev->pci->subsystem_device, dev->core->board.name, | |
733 | dev->core->boardnr); | |
6c5be74c | 734 | |
8a317a87 JN |
735 | mutex_lock(&dev->core->lock); |
736 | ||
89a47942 | 737 | list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { |
6c5be74c ST |
738 | /* only unregister the correct driver type */ |
739 | if (d->type_id != drv->type_id) | |
740 | continue; | |
741 | ||
742 | err = d->remove(d); | |
743 | if (err == 0) { | |
89a47942 | 744 | list_del(&d->drvlist); |
a04036a3 | 745 | kfree(d); |
6c5be74c | 746 | } else |
5772f813 | 747 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
89a47942 | 748 | "failed (%d)\n", dev->core->name, err); |
6c5be74c ST |
749 | } |
750 | ||
8a317a87 | 751 | mutex_unlock(&dev->core->lock); |
6c5be74c ST |
752 | } |
753 | ||
344d6c6b JN |
754 | mutex_unlock(&cx8802_mutex); |
755 | ||
6c5be74c ST |
756 | return err; |
757 | } | |
758 | ||
1da177e4 | 759 | /* ----------------------------------------------------------- */ |
4c62e976 GKH |
760 | static int cx8802_probe(struct pci_dev *pci_dev, |
761 | const struct pci_device_id *pci_id) | |
6c5be74c ST |
762 | { |
763 | struct cx8802_dev *dev; | |
764 | struct cx88_core *core; | |
9212a572 | 765 | int err; |
6c5be74c ST |
766 | |
767 | /* general setup */ | |
768 | core = cx88_core_get(pci_dev); | |
769 | if (NULL == core) | |
770 | return -EINVAL; | |
771 | ||
772 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); | |
773 | ||
774 | err = -ENODEV; | |
6a59d64c | 775 | if (!core->board.mpeg) |
6c5be74c ST |
776 | goto fail_core; |
777 | ||
778 | err = -ENOMEM; | |
779 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | |
780 | if (NULL == dev) | |
781 | goto fail_core; | |
782 | dev->pci = pci_dev; | |
783 | dev->core = core; | |
784 | ||
e32fadc4 MCC |
785 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
786 | core->dvbdev = dev; | |
787 | ||
6c5be74c ST |
788 | err = cx8802_init_common(dev); |
789 | if (err != 0) | |
790 | goto fail_free; | |
791 | ||
081c2fc8 | 792 | INIT_LIST_HEAD(&dev->drvlist); |
344d6c6b | 793 | mutex_lock(&cx8802_mutex); |
6c5be74c | 794 | list_add_tail(&dev->devlist,&cx8802_devlist); |
344d6c6b | 795 | mutex_unlock(&cx8802_mutex); |
1da177e4 | 796 | |
77b74774 MR |
797 | /* now autoload cx88-dvb or cx88-blackbird */ |
798 | request_modules(dev); | |
6c5be74c ST |
799 | return 0; |
800 | ||
801 | fail_free: | |
802 | kfree(dev); | |
803 | fail_core: | |
e32fadc4 | 804 | core->dvbdev = NULL; |
6c5be74c ST |
805 | cx88_core_put(core,pci_dev); |
806 | return err; | |
807 | } | |
808 | ||
4c62e976 | 809 | static void cx8802_remove(struct pci_dev *pci_dev) |
6c5be74c ST |
810 | { |
811 | struct cx8802_dev *dev; | |
6c5be74c ST |
812 | |
813 | dev = pci_get_drvdata(pci_dev); | |
814 | ||
32d83efc | 815 | dprintk( 1, "%s\n", __func__); |
6c5be74c | 816 | |
707bcf32 TH |
817 | flush_request_modules(dev); |
818 | ||
8a317a87 JN |
819 | mutex_lock(&dev->core->lock); |
820 | ||
081c2fc8 | 821 | if (!list_empty(&dev->drvlist)) { |
89a47942 | 822 | struct cx8802_driver *drv, *tmp; |
081c2fc8 TP |
823 | int err; |
824 | ||
825 | printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " | |
826 | "while cx8802 sub-drivers still loaded?!\n", | |
827 | dev->core->name); | |
828 | ||
89a47942 | 829 | list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { |
081c2fc8 TP |
830 | err = drv->remove(drv); |
831 | if (err == 0) { | |
89a47942 | 832 | list_del(&drv->drvlist); |
081c2fc8 TP |
833 | } else |
834 | printk(KERN_ERR "%s/2: cx8802 driver remove " | |
835 | "failed (%d)\n", dev->core->name, err); | |
a04036a3 | 836 | kfree(drv); |
6c5be74c | 837 | } |
6c5be74c ST |
838 | } |
839 | ||
8a317a87 JN |
840 | mutex_unlock(&dev->core->lock); |
841 | ||
6c5be74c ST |
842 | /* Destroy any 8802 reference. */ |
843 | dev->core->dvbdev = NULL; | |
844 | ||
845 | /* common */ | |
846 | cx8802_fini_common(dev); | |
847 | cx88_core_put(dev->core,dev->pci); | |
848 | kfree(dev); | |
849 | } | |
850 | ||
2e4e98e7 | 851 | static const struct pci_device_id cx8802_pci_tbl[] = { |
6c5be74c ST |
852 | { |
853 | .vendor = 0x14f1, | |
854 | .device = 0x8802, | |
855 | .subvendor = PCI_ANY_ID, | |
856 | .subdevice = PCI_ANY_ID, | |
857 | },{ | |
858 | /* --- end of list --- */ | |
859 | } | |
860 | }; | |
861 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
862 | ||
863 | static struct pci_driver cx8802_pci_driver = { | |
864 | .name = "cx88-mpeg driver manager", | |
865 | .id_table = cx8802_pci_tbl, | |
866 | .probe = cx8802_probe, | |
4c62e976 | 867 | .remove = cx8802_remove, |
6c5be74c ST |
868 | }; |
869 | ||
38b25adc | 870 | module_pci_driver(cx8802_pci_driver); |
6c5be74c | 871 | |
1da177e4 LT |
872 | EXPORT_SYMBOL(cx8802_buf_prepare); |
873 | EXPORT_SYMBOL(cx8802_buf_queue); | |
874 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
875 | ||
6c5be74c ST |
876 | EXPORT_SYMBOL(cx8802_register_driver); |
877 | EXPORT_SYMBOL(cx8802_unregister_driver); | |
6c5be74c | 878 | EXPORT_SYMBOL(cx8802_get_driver); |
1da177e4 LT |
879 | /* ----------------------------------------------------------- */ |
880 | /* | |
881 | * Local variables: | |
882 | * c-basic-offset: 8 | |
883 | * End: | |
b45009b0 | 884 | * 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 | 885 | */ |