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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 | ||
0b6b6302 | 89 | int cx8802_start_dma(struct cx8802_dev *dev, |
1da177e4 LT |
90 | struct cx88_dmaqueue *q, |
91 | struct cx88_buffer *buf) | |
92 | { | |
93 | struct cx88_core *core = dev->core; | |
94 | ||
7717cbed | 95 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", |
ccd6f1d4 | 96 | core->width, core->height, core->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 */ | |
0b6b6302 | 103 | cx_write(MO_TS_LNGTH, dev->ts_packet_size); |
1da177e4 | 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 | ||
0b6b6302 | 215 | buf = list_entry(q->active.next, struct cx88_buffer, list); |
1da177e4 | 216 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", |
0b6b6302 | 217 | buf, buf->vb.v4l2_buf.index); |
1da177e4 | 218 | cx8802_start_dma(dev, q, buf); |
0b6b6302 | 219 | list_for_each_entry(buf, &q->active, list) |
1da177e4 | 220 | buf->count = q->count++; |
1da177e4 LT |
221 | return 0; |
222 | } | |
223 | ||
224 | /* ------------------------------------------------------------------ */ | |
225 | ||
0b6b6302 | 226 | int cx8802_buf_prepare(struct vb2_queue *q, struct cx8802_dev *dev, |
ccd6f1d4 | 227 | struct cx88_buffer *buf) |
1da177e4 LT |
228 | { |
229 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
0b6b6302 | 230 | struct sg_table *sgt = vb2_dma_sg_plane_desc(&buf->vb, 0); |
5e7045e3 | 231 | struct cx88_riscmem *risc = &buf->risc; |
1da177e4 LT |
232 | int rc; |
233 | ||
0b6b6302 | 234 | if (vb2_plane_size(&buf->vb, 0) < size) |
1da177e4 | 235 | return -EINVAL; |
0b6b6302 | 236 | vb2_set_plane_payload(&buf->vb, 0, size); |
1da177e4 | 237 | |
5e7045e3 | 238 | rc = cx88_risc_databuffer(dev->pci, risc, sgt->sgl, |
0b6b6302 | 239 | dev->ts_packet_size, dev->ts_packet_count, 0); |
999b3ceb | 240 | if (rc) { |
5e7045e3 HV |
241 | if (risc->cpu) |
242 | pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma); | |
243 | memset(risc, 0, sizeof(*risc)); | |
999b3ceb HV |
244 | return rc; |
245 | } | |
0b6b6302 | 246 | return 0; |
1da177e4 LT |
247 | } |
248 | ||
249 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
250 | { | |
251 | struct cx88_buffer *prev; | |
c7b0ac05 | 252 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
1da177e4 | 253 | |
b45009b0 | 254 | dprintk( 1, "cx8802_buf_queue\n" ); |
0b6b6302 HV |
255 | /* add jump to start */ |
256 | buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8); | |
257 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC); | |
258 | buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8); | |
1da177e4 | 259 | |
c7b0ac05 | 260 | if (list_empty(&cx88q->active)) { |
76d313bf | 261 | dprintk( 1, "queue is empty - first active\n" ); |
0b6b6302 | 262 | list_add_tail(&buf->list, &cx88q->active); |
c7b0ac05 | 263 | buf->count = cx88q->count++; |
76d313bf | 264 | dprintk(1,"[%p/%d] %s - first active\n", |
0b6b6302 | 265 | buf, buf->vb.v4l2_buf.index, __func__); |
1da177e4 LT |
266 | |
267 | } else { | |
0b6b6302 | 268 | buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1); |
b45009b0 | 269 | dprintk( 1, "queue is not empty - append to active\n" ); |
0b6b6302 HV |
270 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, list); |
271 | list_add_tail(&buf->list, &cx88q->active); | |
c7b0ac05 | 272 | buf->count = cx88q->count++; |
1da177e4 | 273 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
b45009b0 | 274 | dprintk( 1, "[%p/%d] %s - append to active\n", |
0b6b6302 | 275 | buf, buf->vb.v4l2_buf.index, __func__); |
1da177e4 LT |
276 | } |
277 | } | |
278 | ||
279 | /* ----------------------------------------------------------- */ | |
280 | ||
0b6b6302 | 281 | static void do_cancel_buffers(struct cx8802_dev *dev) |
1da177e4 LT |
282 | { |
283 | struct cx88_dmaqueue *q = &dev->mpegq; | |
284 | struct cx88_buffer *buf; | |
285 | unsigned long flags; | |
286 | ||
287 | spin_lock_irqsave(&dev->slock,flags); | |
288 | while (!list_empty(&q->active)) { | |
0b6b6302 HV |
289 | buf = list_entry(q->active.next, struct cx88_buffer, list); |
290 | list_del(&buf->list); | |
291 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); | |
b45009b0 | 292 | } |
1da177e4 LT |
293 | spin_unlock_irqrestore(&dev->slock,flags); |
294 | } | |
295 | ||
296 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
297 | { | |
b45009b0 | 298 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 | 299 | cx8802_stop_dma(dev); |
0b6b6302 | 300 | do_cancel_buffers(dev); |
1da177e4 LT |
301 | } |
302 | ||
2e4e98e7 | 303 | static const char * cx88_mpeg_irqs[32] = { |
41ef7c1e MCC |
304 | "ts_risci1", NULL, NULL, NULL, |
305 | "ts_risci2", NULL, NULL, NULL, | |
306 | "ts_oflow", NULL, NULL, NULL, | |
307 | "ts_sync", NULL, NULL, NULL, | |
308 | "opc_err", "par_err", "rip_err", "pci_abort", | |
309 | "ts_err?", | |
310 | }; | |
311 | ||
1da177e4 LT |
312 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
313 | { | |
314 | struct cx88_core *core = dev->core; | |
315 | u32 status, mask, count; | |
316 | ||
b45009b0 | 317 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
318 | status = cx_read(MO_TS_INTSTAT); |
319 | mask = cx_read(MO_TS_INTMSK); | |
320 | if (0 == (status & mask)) | |
321 | return; | |
322 | ||
323 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 324 | |
1da177e4 LT |
325 | if (debug || (status & mask & ~0xff)) |
326 | cx88_print_irqbits(core->name, "irq mpeg ", | |
66623a04 MCC |
327 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
328 | status, mask); | |
1da177e4 LT |
329 | |
330 | /* risc op code error */ | |
331 | if (status & (1 << 16)) { | |
332 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
333 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
334 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
335 | } | |
336 | ||
337 | /* risc1 y */ | |
338 | if (status & 0x01) { | |
b45009b0 | 339 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
340 | spin_lock(&dev->slock); |
341 | count = cx_read(MO_TS_GPCNT); | |
342 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
343 | spin_unlock(&dev->slock); | |
344 | } | |
345 | ||
4ac97914 MCC |
346 | /* other general errors */ |
347 | if (status & 0x1f0100) { | |
b45009b0 | 348 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
4ac97914 | 349 | spin_lock(&dev->slock); |
1da177e4 | 350 | cx8802_stop_dma(dev); |
4ac97914 MCC |
351 | spin_unlock(&dev->slock); |
352 | } | |
1da177e4 LT |
353 | } |
354 | ||
b45009b0 MCC |
355 | #define MAX_IRQ_LOOP 10 |
356 | ||
7d12e780 | 357 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
1da177e4 LT |
358 | { |
359 | struct cx8802_dev *dev = dev_id; | |
360 | struct cx88_core *core = dev->core; | |
361 | u32 status; | |
362 | int loop, handled = 0; | |
363 | ||
b45009b0 | 364 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
8ddac9ee TP |
365 | status = cx_read(MO_PCI_INTSTAT) & |
366 | (core->pci_irqmask | PCI_INT_TSINT); | |
1da177e4 LT |
367 | if (0 == status) |
368 | goto out; | |
b45009b0 MCC |
369 | dprintk( 1, "cx8802_irq\n" ); |
370 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
371 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
372 | handled = 1; |
373 | cx_write(MO_PCI_INTSTAT, status); | |
374 | ||
375 | if (status & core->pci_irqmask) | |
376 | cx88_core_irq(core,status); | |
8ddac9ee | 377 | if (status & PCI_INT_TSINT) |
1da177e4 | 378 | cx8802_mpeg_irq(dev); |
c2c1b415 | 379 | } |
b45009b0 MCC |
380 | if (MAX_IRQ_LOOP == loop) { |
381 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
382 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
383 | core->name); | |
384 | cx_write(MO_PCI_INTMSK,0); | |
385 | } | |
386 | ||
387 | out: | |
388 | return IRQ_RETVAL(handled); | |
389 | } | |
390 | ||
a2fbaa51 | 391 | static int cx8802_init_common(struct cx8802_dev *dev) |
1da177e4 LT |
392 | { |
393 | struct cx88_core *core = dev->core; | |
394 | int err; | |
395 | ||
396 | /* pci init */ | |
397 | if (pci_enable_device(dev->pci)) | |
398 | return -EIO; | |
399 | pci_set_master(dev->pci); | |
284901a9 | 400 | if (!pci_dma_supported(dev->pci,DMA_BIT_MASK(32))) { |
1da177e4 LT |
401 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
402 | return -EIO; | |
403 | } | |
404 | ||
abd34d8d | 405 | dev->pci_rev = dev->pci->revision; |
4ac97914 MCC |
406 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
407 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
228aef63 | 408 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
1da177e4 | 409 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
228aef63 | 410 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
1da177e4 LT |
411 | |
412 | /* initialize driver struct */ | |
1da177e4 LT |
413 | spin_lock_init(&dev->slock); |
414 | ||
415 | /* init dma queue */ | |
416 | INIT_LIST_HEAD(&dev->mpegq.active); | |
1da177e4 LT |
417 | |
418 | /* get irq */ | |
419 | err = request_irq(dev->pci->irq, cx8802_irq, | |
3e018fe4 | 420 | IRQF_SHARED, dev->core->name, dev); |
1da177e4 LT |
421 | if (err < 0) { |
422 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
423 | dev->core->name, dev->pci->irq); | |
424 | return err; | |
425 | } | |
426 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
427 | ||
428 | /* everything worked */ | |
429 | pci_set_drvdata(dev->pci,dev); | |
430 | return 0; | |
431 | } | |
432 | ||
a2fbaa51 | 433 | static void cx8802_fini_common(struct cx8802_dev *dev) |
1da177e4 | 434 | { |
b45009b0 | 435 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
436 | cx8802_stop_dma(dev); |
437 | pci_disable_device(dev->pci); | |
438 | ||
439 | /* unregister stuff */ | |
440 | free_irq(dev->pci->irq, dev); | |
1da177e4 LT |
441 | } |
442 | ||
443 | /* ----------------------------------------------------------- */ | |
444 | ||
a2fbaa51 | 445 | static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) |
1da177e4 | 446 | { |
4ac97914 | 447 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 448 | struct cx88_core *core = dev->core; |
5ddfbbb9 | 449 | unsigned long flags; |
1da177e4 LT |
450 | |
451 | /* stop mpeg dma */ | |
5ddfbbb9 | 452 | spin_lock_irqsave(&dev->slock, flags); |
1da177e4 | 453 | if (!list_empty(&dev->mpegq.active)) { |
b45009b0 | 454 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
455 | printk("%s: suspend mpeg\n", core->name); |
456 | cx8802_stop_dma(dev); | |
1da177e4 | 457 | } |
5ddfbbb9 | 458 | spin_unlock_irqrestore(&dev->slock, flags); |
1da177e4 | 459 | |
1da177e4 LT |
460 | /* FIXME -- shutdown device */ |
461 | cx88_shutdown(dev->core); | |
1da177e4 LT |
462 | |
463 | pci_save_state(pci_dev); | |
464 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
465 | pci_disable_device(pci_dev); | |
466 | dev->state.disabled = 1; | |
467 | } | |
468 | return 0; | |
469 | } | |
470 | ||
a2fbaa51 | 471 | static int cx8802_resume_common(struct pci_dev *pci_dev) |
1da177e4 | 472 | { |
08adb9e2 | 473 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 | 474 | struct cx88_core *core = dev->core; |
5ddfbbb9 | 475 | unsigned long flags; |
08adb9e2 | 476 | int err; |
1da177e4 LT |
477 | |
478 | if (dev->state.disabled) { | |
08adb9e2 MCC |
479 | err=pci_enable_device(pci_dev); |
480 | if (err) { | |
481 | printk(KERN_ERR "%s: can't enable device\n", | |
482 | dev->core->name); | |
483 | return err; | |
484 | } | |
1da177e4 LT |
485 | dev->state.disabled = 0; |
486 | } | |
08adb9e2 MCC |
487 | err=pci_set_power_state(pci_dev, PCI_D0); |
488 | if (err) { | |
489 | printk(KERN_ERR "%s: can't enable device\n", | |
490 | dev->core->name); | |
491 | pci_disable_device(pci_dev); | |
492 | dev->state.disabled = 1; | |
493 | ||
494 | return err; | |
495 | } | |
1da177e4 LT |
496 | pci_restore_state(pci_dev); |
497 | ||
1da177e4 LT |
498 | /* FIXME: re-initialize hardware */ |
499 | cx88_reset(dev->core); | |
1da177e4 LT |
500 | |
501 | /* restart video+vbi capture */ | |
5ddfbbb9 | 502 | spin_lock_irqsave(&dev->slock, flags); |
1da177e4 LT |
503 | if (!list_empty(&dev->mpegq.active)) { |
504 | printk("%s: resume mpeg\n", core->name); | |
505 | cx8802_restart_queue(dev,&dev->mpegq); | |
506 | } | |
5ddfbbb9 | 507 | spin_unlock_irqrestore(&dev->slock, flags); |
1da177e4 LT |
508 | |
509 | return 0; | |
510 | } | |
511 | ||
6c5be74c ST |
512 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) |
513 | { | |
081c2fc8 | 514 | struct cx8802_driver *d; |
6c5be74c | 515 | |
89a47942 | 516 | list_for_each_entry(d, &dev->drvlist, drvlist) |
081c2fc8 TP |
517 | if (d->type_id == btype) |
518 | return d; | |
6c5be74c ST |
519 | |
520 | return NULL; | |
521 | } | |
522 | ||
523 | /* Driver asked for hardware access. */ | |
9df2ead5 | 524 | static int cx8802_request_acquire(struct cx8802_driver *drv) |
6c5be74c ST |
525 | { |
526 | struct cx88_core *core = drv->core; | |
d922b8ea | 527 | unsigned int i; |
6c5be74c ST |
528 | |
529 | /* Fail a request for hardware if the device is busy. */ | |
27d0fe18 RS |
530 | if (core->active_type_id != CX88_BOARD_NONE && |
531 | core->active_type_id != drv->type_id) | |
6c5be74c ST |
532 | return -EBUSY; |
533 | ||
243bf1a2 DH |
534 | if (drv->type_id == CX88_MPEG_DVB) { |
535 | /* When switching to DVB, always set the input to the tuner */ | |
536 | core->last_analog_input = core->input; | |
537 | core->input = 0; | |
538 | for (i = 0; | |
539 | i < (sizeof(core->board.input) / sizeof(struct cx88_input)); | |
540 | i++) { | |
541 | if (core->board.input[i].type == CX88_VMUX_DVB) { | |
542 | core->input = i; | |
543 | break; | |
544 | } | |
d922b8ea IV |
545 | } |
546 | } | |
c2cb8fcc | 547 | |
6c5be74c ST |
548 | if (drv->advise_acquire) |
549 | { | |
baff6cdd | 550 | core->active_ref++; |
27d0fe18 RS |
551 | if (core->active_type_id == CX88_BOARD_NONE) { |
552 | core->active_type_id = drv->type_id; | |
553 | drv->advise_acquire(drv); | |
554 | } | |
6c5be74c | 555 | |
32d83efc | 556 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
557 | } |
558 | ||
559 | return 0; | |
560 | } | |
561 | ||
562 | /* Driver asked to release hardware. */ | |
9df2ead5 | 563 | static int cx8802_request_release(struct cx8802_driver *drv) |
6c5be74c ST |
564 | { |
565 | struct cx88_core *core = drv->core; | |
566 | ||
27d0fe18 | 567 | if (drv->advise_release && --core->active_ref == 0) |
6c5be74c | 568 | { |
243bf1a2 DH |
569 | if (drv->type_id == CX88_MPEG_DVB) { |
570 | /* If the DVB driver is releasing, reset the input | |
571 | state to the last configured analog input */ | |
572 | core->input = core->last_analog_input; | |
573 | } | |
574 | ||
6c5be74c ST |
575 | drv->advise_release(drv); |
576 | core->active_type_id = CX88_BOARD_NONE; | |
32d83efc | 577 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
6c5be74c ST |
578 | } |
579 | ||
580 | return 0; | |
581 | } | |
582 | ||
583 | static int cx8802_check_driver(struct cx8802_driver *drv) | |
584 | { | |
585 | if (drv == NULL) | |
586 | return -ENODEV; | |
587 | ||
588 | if ((drv->type_id != CX88_MPEG_DVB) && | |
589 | (drv->type_id != CX88_MPEG_BLACKBIRD)) | |
590 | return -EINVAL; | |
591 | ||
592 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && | |
593 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) | |
594 | return -EINVAL; | |
595 | ||
596 | if ((drv->probe == NULL) || | |
597 | (drv->remove == NULL) || | |
598 | (drv->advise_acquire == NULL) || | |
599 | (drv->advise_release == NULL)) | |
600 | return -EINVAL; | |
601 | ||
602 | return 0; | |
603 | } | |
604 | ||
605 | int cx8802_register_driver(struct cx8802_driver *drv) | |
606 | { | |
89a47942 | 607 | struct cx8802_dev *dev; |
6c5be74c | 608 | struct cx8802_driver *driver; |
89a47942 | 609 | int err, i = 0; |
6c5be74c | 610 | |
5772f813 TP |
611 | printk(KERN_INFO |
612 | "cx88/2: registering cx8802 driver, type: %s access: %s\n", | |
613 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
614 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c ST |
615 | |
616 | if ((err = cx8802_check_driver(drv)) != 0) { | |
5772f813 | 617 | printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n"); |
6c5be74c ST |
618 | return err; |
619 | } | |
620 | ||
344d6c6b JN |
621 | mutex_lock(&cx8802_mutex); |
622 | ||
89a47942 | 623 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
624 | printk(KERN_INFO |
625 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
626 | dev->core->name, dev->pci->subsystem_vendor, |
627 | dev->pci->subsystem_device, dev->core->board.name, | |
628 | dev->core->boardnr); | |
6c5be74c ST |
629 | |
630 | /* Bring up a new struct for each driver instance */ | |
631 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); | |
344d6c6b JN |
632 | if (driver == NULL) { |
633 | err = -ENOMEM; | |
634 | goto out; | |
635 | } | |
6c5be74c ST |
636 | |
637 | /* Snapshot of the driver registration data */ | |
89a47942 | 638 | drv->core = dev->core; |
6c5be74c ST |
639 | drv->suspend = cx8802_suspend_common; |
640 | drv->resume = cx8802_resume_common; | |
641 | drv->request_acquire = cx8802_request_acquire; | |
642 | drv->request_release = cx8802_request_release; | |
643 | memcpy(driver, drv, sizeof(*driver)); | |
644 | ||
1d6213ab | 645 | mutex_lock(&drv->core->lock); |
6c5be74c ST |
646 | err = drv->probe(driver); |
647 | if (err == 0) { | |
019391e4 | 648 | i++; |
89a47942 | 649 | list_add_tail(&driver->drvlist, &dev->drvlist); |
6c5be74c | 650 | } else { |
5772f813 TP |
651 | printk(KERN_ERR |
652 | "%s/2: cx8802 probe failed, err = %d\n", | |
89a47942 | 653 | dev->core->name, err); |
6c5be74c | 654 | } |
1d6213ab | 655 | mutex_unlock(&drv->core->lock); |
6c5be74c | 656 | } |
6c5be74c | 657 | |
344d6c6b JN |
658 | err = i ? 0 : -ENODEV; |
659 | out: | |
660 | mutex_unlock(&cx8802_mutex); | |
661 | return err; | |
6c5be74c ST |
662 | } |
663 | ||
664 | int cx8802_unregister_driver(struct cx8802_driver *drv) | |
665 | { | |
89a47942 TP |
666 | struct cx8802_dev *dev; |
667 | struct cx8802_driver *d, *dtmp; | |
668 | int err = 0; | |
6c5be74c | 669 | |
5772f813 TP |
670 | printk(KERN_INFO |
671 | "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", | |
672 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", | |
673 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); | |
6c5be74c | 674 | |
344d6c6b JN |
675 | mutex_lock(&cx8802_mutex); |
676 | ||
89a47942 | 677 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
5772f813 TP |
678 | printk(KERN_INFO |
679 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", | |
89a47942 TP |
680 | dev->core->name, dev->pci->subsystem_vendor, |
681 | dev->pci->subsystem_device, dev->core->board.name, | |
682 | dev->core->boardnr); | |
6c5be74c | 683 | |
8a317a87 JN |
684 | mutex_lock(&dev->core->lock); |
685 | ||
89a47942 | 686 | list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { |
6c5be74c ST |
687 | /* only unregister the correct driver type */ |
688 | if (d->type_id != drv->type_id) | |
689 | continue; | |
690 | ||
691 | err = d->remove(d); | |
692 | if (err == 0) { | |
89a47942 | 693 | list_del(&d->drvlist); |
a04036a3 | 694 | kfree(d); |
6c5be74c | 695 | } else |
5772f813 | 696 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
89a47942 | 697 | "failed (%d)\n", dev->core->name, err); |
6c5be74c ST |
698 | } |
699 | ||
8a317a87 | 700 | mutex_unlock(&dev->core->lock); |
6c5be74c ST |
701 | } |
702 | ||
344d6c6b JN |
703 | mutex_unlock(&cx8802_mutex); |
704 | ||
6c5be74c ST |
705 | return err; |
706 | } | |
707 | ||
1da177e4 | 708 | /* ----------------------------------------------------------- */ |
4c62e976 GKH |
709 | static int cx8802_probe(struct pci_dev *pci_dev, |
710 | const struct pci_device_id *pci_id) | |
6c5be74c ST |
711 | { |
712 | struct cx8802_dev *dev; | |
713 | struct cx88_core *core; | |
9212a572 | 714 | int err; |
6c5be74c ST |
715 | |
716 | /* general setup */ | |
717 | core = cx88_core_get(pci_dev); | |
718 | if (NULL == core) | |
719 | return -EINVAL; | |
720 | ||
721 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); | |
722 | ||
723 | err = -ENODEV; | |
6a59d64c | 724 | if (!core->board.mpeg) |
6c5be74c ST |
725 | goto fail_core; |
726 | ||
727 | err = -ENOMEM; | |
728 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | |
729 | if (NULL == dev) | |
730 | goto fail_core; | |
731 | dev->pci = pci_dev; | |
165d0043 HV |
732 | dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev); |
733 | if (IS_ERR(dev->alloc_ctx)) { | |
734 | err = PTR_ERR(dev->alloc_ctx); | |
96df988b | 735 | goto fail_dev; |
165d0043 | 736 | } |
6c5be74c ST |
737 | dev->core = core; |
738 | ||
e32fadc4 MCC |
739 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
740 | core->dvbdev = dev; | |
741 | ||
6c5be74c ST |
742 | err = cx8802_init_common(dev); |
743 | if (err != 0) | |
744 | goto fail_free; | |
745 | ||
081c2fc8 | 746 | INIT_LIST_HEAD(&dev->drvlist); |
344d6c6b | 747 | mutex_lock(&cx8802_mutex); |
6c5be74c | 748 | list_add_tail(&dev->devlist,&cx8802_devlist); |
344d6c6b | 749 | mutex_unlock(&cx8802_mutex); |
1da177e4 | 750 | |
77b74774 MR |
751 | /* now autoload cx88-dvb or cx88-blackbird */ |
752 | request_modules(dev); | |
6c5be74c ST |
753 | return 0; |
754 | ||
755 | fail_free: | |
165d0043 | 756 | vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); |
96df988b | 757 | fail_dev: |
6c5be74c ST |
758 | kfree(dev); |
759 | fail_core: | |
e32fadc4 | 760 | core->dvbdev = NULL; |
6c5be74c ST |
761 | cx88_core_put(core,pci_dev); |
762 | return err; | |
763 | } | |
764 | ||
4c62e976 | 765 | static void cx8802_remove(struct pci_dev *pci_dev) |
6c5be74c ST |
766 | { |
767 | struct cx8802_dev *dev; | |
6c5be74c ST |
768 | |
769 | dev = pci_get_drvdata(pci_dev); | |
770 | ||
32d83efc | 771 | dprintk( 1, "%s\n", __func__); |
6c5be74c | 772 | |
707bcf32 TH |
773 | flush_request_modules(dev); |
774 | ||
8a317a87 JN |
775 | mutex_lock(&dev->core->lock); |
776 | ||
081c2fc8 | 777 | if (!list_empty(&dev->drvlist)) { |
89a47942 | 778 | struct cx8802_driver *drv, *tmp; |
081c2fc8 TP |
779 | int err; |
780 | ||
781 | printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " | |
782 | "while cx8802 sub-drivers still loaded?!\n", | |
783 | dev->core->name); | |
784 | ||
89a47942 | 785 | list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { |
081c2fc8 TP |
786 | err = drv->remove(drv); |
787 | if (err == 0) { | |
89a47942 | 788 | list_del(&drv->drvlist); |
081c2fc8 TP |
789 | } else |
790 | printk(KERN_ERR "%s/2: cx8802 driver remove " | |
791 | "failed (%d)\n", dev->core->name, err); | |
a04036a3 | 792 | kfree(drv); |
6c5be74c | 793 | } |
6c5be74c ST |
794 | } |
795 | ||
8a317a87 JN |
796 | mutex_unlock(&dev->core->lock); |
797 | ||
6c5be74c ST |
798 | /* Destroy any 8802 reference. */ |
799 | dev->core->dvbdev = NULL; | |
800 | ||
801 | /* common */ | |
802 | cx8802_fini_common(dev); | |
803 | cx88_core_put(dev->core,dev->pci); | |
165d0043 | 804 | vb2_dma_sg_cleanup_ctx(dev->alloc_ctx); |
6c5be74c ST |
805 | kfree(dev); |
806 | } | |
807 | ||
2e4e98e7 | 808 | static const struct pci_device_id cx8802_pci_tbl[] = { |
6c5be74c ST |
809 | { |
810 | .vendor = 0x14f1, | |
811 | .device = 0x8802, | |
812 | .subvendor = PCI_ANY_ID, | |
813 | .subdevice = PCI_ANY_ID, | |
814 | },{ | |
815 | /* --- end of list --- */ | |
816 | } | |
817 | }; | |
818 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); | |
819 | ||
820 | static struct pci_driver cx8802_pci_driver = { | |
821 | .name = "cx88-mpeg driver manager", | |
822 | .id_table = cx8802_pci_tbl, | |
823 | .probe = cx8802_probe, | |
4c62e976 | 824 | .remove = cx8802_remove, |
6c5be74c ST |
825 | }; |
826 | ||
38b25adc | 827 | module_pci_driver(cx8802_pci_driver); |
6c5be74c | 828 | |
1da177e4 LT |
829 | EXPORT_SYMBOL(cx8802_buf_prepare); |
830 | EXPORT_SYMBOL(cx8802_buf_queue); | |
831 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
0b6b6302 | 832 | EXPORT_SYMBOL(cx8802_start_dma); |
1da177e4 | 833 | |
6c5be74c ST |
834 | EXPORT_SYMBOL(cx8802_register_driver); |
835 | EXPORT_SYMBOL(cx8802_unregister_driver); | |
6c5be74c | 836 | EXPORT_SYMBOL(cx8802_get_driver); |