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c7cadb3a AO |
1 | /* |
2 | * pluto2.c - Satelco Easywatch Mobile Terrestrial Receiver [DVB-T] | |
3 | * | |
4 | * Copyright (C) 2005 Andreas Oberritter <obi@linuxtv.org> | |
5 | * | |
6 | * based on pluto2.c 1.10 - http://instinct-wp8.no-ip.org/pluto/ | |
7 | * by Dany Salman <salmandany@yahoo.fr> | |
8 | * Copyright (c) 2004 TDF | |
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 | ||
26 | #include <linux/i2c.h> | |
27 | #include <linux/i2c-algo-bit.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/kernel.h> | |
30 | #include <linux/module.h> | |
31 | #include <linux/pci.h> | |
32 | #include <linux/dma-mapping.h> | |
33 | ||
34 | #include "demux.h" | |
35 | #include "dmxdev.h" | |
36 | #include "dvb_demux.h" | |
37 | #include "dvb_frontend.h" | |
38 | #include "dvb_net.h" | |
39 | #include "dvbdev.h" | |
40 | #include "tda1004x.h" | |
41 | ||
42 | #define DRIVER_NAME "pluto2" | |
43 | ||
44 | #define REG_PIDn(n) ((n) << 2) /* PID n pattern registers */ | |
45 | #define REG_PCAR 0x0020 /* PC address register */ | |
46 | #define REG_TSCR 0x0024 /* TS ctrl & status */ | |
47 | #define REG_MISC 0x0028 /* miscellaneous */ | |
48 | #define REG_MMAC 0x002c /* MSB MAC address */ | |
49 | #define REG_IMAC 0x0030 /* ISB MAC address */ | |
50 | #define REG_LMAC 0x0034 /* LSB MAC address */ | |
51 | #define REG_SPID 0x0038 /* SPI data */ | |
52 | #define REG_SLCS 0x003c /* serial links ctrl/status */ | |
53 | ||
54 | #define PID0_NOFIL (0x0001 << 16) | |
55 | #define PIDn_ENP (0x0001 << 15) | |
56 | #define PID0_END (0x0001 << 14) | |
57 | #define PID0_AFIL (0x0001 << 13) | |
58 | #define PIDn_PID (0x1fff << 0) | |
59 | ||
60 | #define TSCR_NBPACKETS (0x00ff << 24) | |
61 | #define TSCR_DEM (0x0001 << 17) | |
62 | #define TSCR_DE (0x0001 << 16) | |
63 | #define TSCR_RSTN (0x0001 << 15) | |
64 | #define TSCR_MSKO (0x0001 << 14) | |
65 | #define TSCR_MSKA (0x0001 << 13) | |
66 | #define TSCR_MSKL (0x0001 << 12) | |
67 | #define TSCR_OVR (0x0001 << 11) | |
68 | #define TSCR_AFUL (0x0001 << 10) | |
69 | #define TSCR_LOCK (0x0001 << 9) | |
70 | #define TSCR_IACK (0x0001 << 8) | |
71 | #define TSCR_ADEF (0x007f << 0) | |
72 | ||
73 | #define MISC_DVR (0x0fff << 4) | |
74 | #define MISC_ALED (0x0001 << 3) | |
75 | #define MISC_FRST (0x0001 << 2) | |
76 | #define MISC_LED1 (0x0001 << 1) | |
77 | #define MISC_LED0 (0x0001 << 0) | |
78 | ||
79 | #define SPID_SPIDR (0x00ff << 0) | |
80 | ||
81 | #define SLCS_SCL (0x0001 << 7) | |
82 | #define SLCS_SDA (0x0001 << 6) | |
83 | #define SLCS_CSN (0x0001 << 2) | |
84 | #define SLCS_OVR (0x0001 << 1) | |
85 | #define SLCS_SWC (0x0001 << 0) | |
86 | ||
87 | #define TS_DMA_PACKETS (8) | |
88 | #define TS_DMA_BYTES (188 * TS_DMA_PACKETS) | |
89 | ||
90 | #define I2C_ADDR_TDA10046 0x10 | |
91 | #define I2C_ADDR_TUA6034 0xc2 | |
92 | #define NHWFILTERS 8 | |
93 | ||
94 | struct pluto { | |
95 | /* pci */ | |
96 | struct pci_dev *pdev; | |
97 | u8 __iomem *io_mem; | |
98 | ||
99 | /* dvb */ | |
100 | struct dmx_frontend hw_frontend; | |
101 | struct dmx_frontend mem_frontend; | |
102 | struct dmxdev dmxdev; | |
103 | struct dvb_adapter dvb_adapter; | |
104 | struct dvb_demux demux; | |
105 | struct dvb_frontend *fe; | |
106 | struct dvb_net dvbnet; | |
107 | unsigned int full_ts_users; | |
108 | unsigned int users; | |
109 | ||
110 | /* i2c */ | |
111 | struct i2c_algo_bit_data i2c_bit; | |
112 | struct i2c_adapter i2c_adap; | |
113 | unsigned int i2cbug; | |
114 | ||
115 | /* irq */ | |
116 | unsigned int overflow; | |
117 | ||
118 | /* dma */ | |
119 | dma_addr_t dma_addr; | |
120 | u8 dma_buf[TS_DMA_BYTES]; | |
121 | u8 dummy[4096]; | |
122 | }; | |
123 | ||
124 | static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed) | |
125 | { | |
126 | return container_of(feed->demux, struct pluto, demux); | |
127 | } | |
128 | ||
129 | static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe) | |
130 | { | |
131 | return container_of(fe->dvb, struct pluto, dvb_adapter); | |
132 | } | |
133 | ||
134 | static inline u32 pluto_readreg(struct pluto *pluto, u32 reg) | |
135 | { | |
136 | return readl(&pluto->io_mem[reg]); | |
137 | } | |
138 | ||
139 | static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val) | |
140 | { | |
141 | writel(val, &pluto->io_mem[reg]); | |
142 | } | |
143 | ||
144 | static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits) | |
145 | { | |
146 | u32 val = readl(&pluto->io_mem[reg]); | |
147 | val &= ~mask; | |
148 | val |= bits; | |
149 | writel(val, &pluto->io_mem[reg]); | |
150 | } | |
151 | ||
1489f90a AO |
152 | static void pluto_write_tscr(struct pluto *pluto, u32 val) |
153 | { | |
154 | /* set the number of packets */ | |
155 | val &= ~TSCR_ADEF; | |
156 | val |= TS_DMA_PACKETS / 2; | |
157 | ||
158 | pluto_writereg(pluto, REG_TSCR, val); | |
159 | } | |
160 | ||
c7cadb3a AO |
161 | static void pluto_setsda(void *data, int state) |
162 | { | |
163 | struct pluto *pluto = data; | |
164 | ||
165 | if (state) | |
166 | pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA); | |
167 | else | |
168 | pluto_rw(pluto, REG_SLCS, SLCS_SDA, 0); | |
169 | } | |
170 | ||
171 | static void pluto_setscl(void *data, int state) | |
172 | { | |
173 | struct pluto *pluto = data; | |
174 | ||
175 | if (state) | |
176 | pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL); | |
177 | else | |
178 | pluto_rw(pluto, REG_SLCS, SLCS_SCL, 0); | |
179 | ||
180 | /* try to detect i2c_inb() to workaround hardware bug: | |
181 | * reset SDA to high after SCL has been set to low */ | |
182 | if ((state) && (pluto->i2cbug == 0)) { | |
183 | pluto->i2cbug = 1; | |
184 | } else { | |
185 | if ((!state) && (pluto->i2cbug == 1)) | |
186 | pluto_setsda(pluto, 1); | |
187 | pluto->i2cbug = 0; | |
188 | } | |
189 | } | |
190 | ||
191 | static int pluto_getsda(void *data) | |
192 | { | |
193 | struct pluto *pluto = data; | |
194 | ||
195 | return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA; | |
196 | } | |
197 | ||
198 | static int pluto_getscl(void *data) | |
199 | { | |
200 | struct pluto *pluto = data; | |
201 | ||
202 | return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL; | |
203 | } | |
204 | ||
205 | static void pluto_reset_frontend(struct pluto *pluto, int reenable) | |
206 | { | |
207 | u32 val = pluto_readreg(pluto, REG_MISC); | |
208 | ||
209 | if (val & MISC_FRST) { | |
210 | val &= ~MISC_FRST; | |
211 | pluto_writereg(pluto, REG_MISC, val); | |
212 | } | |
213 | if (reenable) { | |
214 | val |= MISC_FRST; | |
215 | pluto_writereg(pluto, REG_MISC, val); | |
216 | } | |
217 | } | |
218 | ||
219 | static void pluto_reset_ts(struct pluto *pluto, int reenable) | |
220 | { | |
221 | u32 val = pluto_readreg(pluto, REG_TSCR); | |
222 | ||
223 | if (val & TSCR_RSTN) { | |
224 | val &= ~TSCR_RSTN; | |
1489f90a | 225 | pluto_write_tscr(pluto, val); |
c7cadb3a AO |
226 | } |
227 | if (reenable) { | |
228 | val |= TSCR_RSTN; | |
1489f90a | 229 | pluto_write_tscr(pluto, val); |
c7cadb3a AO |
230 | } |
231 | } | |
232 | ||
233 | static void pluto_set_dma_addr(struct pluto *pluto) | |
234 | { | |
235 | pluto_writereg(pluto, REG_PCAR, cpu_to_le32(pluto->dma_addr)); | |
236 | } | |
237 | ||
238 | static int __devinit pluto_dma_map(struct pluto *pluto) | |
239 | { | |
240 | pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf, | |
241 | TS_DMA_BYTES, PCI_DMA_FROMDEVICE); | |
242 | ||
243 | return pci_dma_mapping_error(pluto->dma_addr); | |
244 | } | |
245 | ||
246 | static void pluto_dma_unmap(struct pluto *pluto) | |
247 | { | |
248 | pci_unmap_single(pluto->pdev, pluto->dma_addr, | |
249 | TS_DMA_BYTES, PCI_DMA_FROMDEVICE); | |
250 | } | |
251 | ||
252 | static int pluto_start_feed(struct dvb_demux_feed *f) | |
253 | { | |
254 | struct pluto *pluto = feed_to_pluto(f); | |
255 | ||
256 | /* enable PID filtering */ | |
257 | if (pluto->users++ == 0) | |
258 | pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, 0); | |
259 | ||
260 | if ((f->pid < 0x2000) && (f->index < NHWFILTERS)) | |
261 | pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid); | |
262 | else if (pluto->full_ts_users++ == 0) | |
263 | pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL); | |
264 | ||
265 | return 0; | |
266 | } | |
267 | ||
268 | static int pluto_stop_feed(struct dvb_demux_feed *f) | |
269 | { | |
270 | struct pluto *pluto = feed_to_pluto(f); | |
271 | ||
272 | /* disable PID filtering */ | |
273 | if (--pluto->users == 0) | |
274 | pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL); | |
275 | ||
276 | if ((f->pid < 0x2000) && (f->index < NHWFILTERS)) | |
277 | pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, 0x1fff); | |
278 | else if (--pluto->full_ts_users == 0) | |
279 | pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, 0); | |
280 | ||
281 | return 0; | |
282 | } | |
283 | ||
284 | static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets) | |
285 | { | |
286 | /* synchronize the DMA transfer with the CPU | |
287 | * first so that we see updated contents. */ | |
288 | pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr, | |
289 | TS_DMA_BYTES, PCI_DMA_FROMDEVICE); | |
290 | ||
291 | /* Workaround for broken hardware: | |
292 | * [1] On startup NBPACKETS seems to contain an uninitialized value, | |
293 | * but no packets have been transfered. | |
294 | * [2] Sometimes (actually very often) NBPACKETS stays at zero | |
295 | * although one packet has been transfered. | |
296 | */ | |
297 | if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) { | |
6573dd75 | 298 | unsigned int i = 0; |
c7cadb3a AO |
299 | while (pluto->dma_buf[i] == 0x47) |
300 | i += 188; | |
6573dd75 | 301 | nbpackets = i / 188; |
c7cadb3a AO |
302 | } |
303 | ||
304 | dvb_dmx_swfilter_packets(&pluto->demux, pluto->dma_buf, nbpackets); | |
305 | ||
306 | /* clear the dma buffer. this is needed to be able to identify | |
307 | * new valid ts packets above */ | |
308 | memset(pluto->dma_buf, 0, nbpackets * 188); | |
309 | ||
310 | /* reset the dma address */ | |
311 | pluto_set_dma_addr(pluto); | |
312 | ||
313 | /* sync the buffer and give it back to the card */ | |
314 | pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr, | |
315 | TS_DMA_BYTES, PCI_DMA_FROMDEVICE); | |
316 | } | |
317 | ||
7d12e780 | 318 | static irqreturn_t pluto_irq(int irq, void *dev_id) |
c7cadb3a AO |
319 | { |
320 | struct pluto *pluto = dev_id; | |
321 | u32 tscr; | |
322 | ||
323 | /* check whether an interrupt occured on this device */ | |
324 | tscr = pluto_readreg(pluto, REG_TSCR); | |
325 | if (!(tscr & (TSCR_DE | TSCR_OVR))) | |
326 | return IRQ_NONE; | |
327 | ||
328 | if (tscr == 0xffffffff) { | |
329 | // FIXME: maybe recover somehow | |
330 | dev_err(&pluto->pdev->dev, "card hung up :(\n"); | |
331 | return IRQ_HANDLED; | |
332 | } | |
333 | ||
334 | /* dma end interrupt */ | |
335 | if (tscr & TSCR_DE) { | |
336 | pluto_dma_end(pluto, (tscr & TSCR_NBPACKETS) >> 24); | |
337 | /* overflow interrupt */ | |
338 | if (tscr & TSCR_OVR) | |
339 | pluto->overflow++; | |
340 | if (pluto->overflow) { | |
341 | dev_err(&pluto->pdev->dev, "overflow irq (%d)\n", | |
342 | pluto->overflow); | |
343 | pluto_reset_ts(pluto, 1); | |
344 | pluto->overflow = 0; | |
345 | } | |
346 | } else if (tscr & TSCR_OVR) { | |
347 | pluto->overflow++; | |
348 | } | |
349 | ||
350 | /* ACK the interrupt */ | |
1489f90a | 351 | pluto_write_tscr(pluto, tscr | TSCR_IACK); |
c7cadb3a AO |
352 | |
353 | return IRQ_HANDLED; | |
354 | } | |
355 | ||
356 | static void __devinit pluto_enable_irqs(struct pluto *pluto) | |
357 | { | |
358 | u32 val = pluto_readreg(pluto, REG_TSCR); | |
359 | ||
c7cadb3a AO |
360 | /* disable AFUL and LOCK interrupts */ |
361 | val |= (TSCR_MSKA | TSCR_MSKL); | |
362 | /* enable DMA and OVERFLOW interrupts */ | |
363 | val &= ~(TSCR_DEM | TSCR_MSKO); | |
364 | /* clear pending interrupts */ | |
365 | val |= TSCR_IACK; | |
366 | ||
1489f90a | 367 | pluto_write_tscr(pluto, val); |
c7cadb3a AO |
368 | } |
369 | ||
370 | static void pluto_disable_irqs(struct pluto *pluto) | |
371 | { | |
372 | u32 val = pluto_readreg(pluto, REG_TSCR); | |
373 | ||
374 | /* disable all interrupts */ | |
375 | val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL); | |
376 | /* clear pending interrupts */ | |
377 | val |= TSCR_IACK; | |
378 | ||
1489f90a | 379 | pluto_write_tscr(pluto, val); |
c7cadb3a AO |
380 | } |
381 | ||
382 | static int __devinit pluto_hw_init(struct pluto *pluto) | |
383 | { | |
384 | pluto_reset_frontend(pluto, 1); | |
385 | ||
386 | /* set automatic LED control by FPGA */ | |
387 | pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED); | |
388 | ||
389 | /* set data endianess */ | |
390 | #ifdef __LITTLE_ENDIAN | |
391 | pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END); | |
392 | #else | |
393 | pluto_rw(pluto, REG_PIDn(0), PID0_END, 0); | |
394 | #endif | |
395 | /* map DMA and set address */ | |
396 | pluto_dma_map(pluto); | |
397 | pluto_set_dma_addr(pluto); | |
398 | ||
399 | /* enable interrupts */ | |
400 | pluto_enable_irqs(pluto); | |
401 | ||
402 | /* reset TS logic */ | |
403 | pluto_reset_ts(pluto, 1); | |
404 | ||
405 | return 0; | |
406 | } | |
407 | ||
408 | static void pluto_hw_exit(struct pluto *pluto) | |
409 | { | |
410 | /* disable interrupts */ | |
411 | pluto_disable_irqs(pluto); | |
412 | ||
413 | pluto_reset_ts(pluto, 0); | |
414 | ||
415 | /* LED: disable automatic control, enable yellow, disable green */ | |
416 | pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1); | |
417 | ||
418 | /* unmap DMA */ | |
419 | pluto_dma_unmap(pluto); | |
420 | ||
421 | pluto_reset_frontend(pluto, 0); | |
422 | } | |
423 | ||
424 | static inline u32 divide(u32 numerator, u32 denominator) | |
425 | { | |
426 | if (denominator == 0) | |
427 | return ~0; | |
428 | ||
429 | return (numerator + denominator / 2) / denominator; | |
430 | } | |
431 | ||
432 | /* LG Innotek TDTE-E001P (Infineon TUA6034) */ | |
4b4c9150 AQ |
433 | static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe, |
434 | struct dvb_frontend_parameters *p) | |
c7cadb3a AO |
435 | { |
436 | struct pluto *pluto = frontend_to_pluto(fe); | |
437 | struct i2c_msg msg; | |
438 | int ret; | |
439 | u8 buf[4]; | |
440 | u32 div; | |
441 | ||
442 | // Fref = 166.667 Hz | |
443 | // Fref * 3 = 500.000 Hz | |
444 | // IF = 36166667 | |
445 | // IF / Fref = 217 | |
446 | //div = divide(p->frequency + 36166667, 166667); | |
447 | div = divide(p->frequency * 3, 500000) + 217; | |
448 | buf[0] = (div >> 8) & 0x7f; | |
449 | buf[1] = (div >> 0) & 0xff; | |
450 | ||
451 | if (p->frequency < 611000000) | |
452 | buf[2] = 0xb4; | |
453 | else if (p->frequency < 811000000) | |
454 | buf[2] = 0xbc; | |
455 | else | |
456 | buf[2] = 0xf4; | |
457 | ||
458 | // VHF: 174-230 MHz | |
459 | // center: 350 MHz | |
460 | // UHF: 470-862 MHz | |
461 | if (p->frequency < 350000000) | |
462 | buf[3] = 0x02; | |
463 | else | |
464 | buf[3] = 0x04; | |
465 | ||
466 | if (p->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) | |
467 | buf[3] |= 0x08; | |
468 | ||
469 | if (sizeof(buf) == 6) { | |
470 | buf[4] = buf[2]; | |
471 | buf[4] &= ~0x1c; | |
472 | buf[4] |= 0x18; | |
473 | ||
474 | buf[5] = (0 << 7) | (2 << 4); | |
475 | } | |
476 | ||
477 | msg.addr = I2C_ADDR_TUA6034 >> 1; | |
478 | msg.flags = 0; | |
479 | msg.buf = buf; | |
480 | msg.len = sizeof(buf); | |
481 | ||
dea74869 PB |
482 | if (fe->ops.i2c_gate_ctrl) |
483 | fe->ops.i2c_gate_ctrl(fe, 1); | |
c7cadb3a AO |
484 | ret = i2c_transfer(&pluto->i2c_adap, &msg, 1); |
485 | if (ret < 0) | |
486 | return ret; | |
487 | else if (ret == 0) | |
488 | return -EREMOTEIO; | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
493 | static int pluto2_request_firmware(struct dvb_frontend *fe, | |
494 | const struct firmware **fw, char *name) | |
495 | { | |
496 | struct pluto *pluto = frontend_to_pluto(fe); | |
497 | ||
498 | return request_firmware(fw, name, &pluto->pdev->dev); | |
499 | } | |
500 | ||
501 | static struct tda1004x_config pluto2_fe_config __devinitdata = { | |
502 | .demod_address = I2C_ADDR_TDA10046 >> 1, | |
503 | .invert = 1, | |
504 | .invert_oclk = 0, | |
505 | .xtal_freq = TDA10046_XTAL_16M, | |
506 | .agc_config = TDA10046_AGC_DEFAULT, | |
507 | .if_freq = TDA10046_FREQ_3617, | |
c7cadb3a AO |
508 | .request_firmware = pluto2_request_firmware, |
509 | }; | |
510 | ||
511 | static int __devinit frontend_init(struct pluto *pluto) | |
512 | { | |
513 | int ret; | |
514 | ||
515 | pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap); | |
516 | if (!pluto->fe) { | |
517 | dev_err(&pluto->pdev->dev, "could not attach frontend\n"); | |
518 | return -ENODEV; | |
519 | } | |
dea74869 | 520 | pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params; |
c7cadb3a AO |
521 | |
522 | ret = dvb_register_frontend(&pluto->dvb_adapter, pluto->fe); | |
523 | if (ret < 0) { | |
dea74869 PB |
524 | if (pluto->fe->ops.release) |
525 | pluto->fe->ops.release(pluto->fe); | |
c7cadb3a AO |
526 | return ret; |
527 | } | |
528 | ||
529 | return 0; | |
530 | } | |
531 | ||
532 | static void __devinit pluto_read_rev(struct pluto *pluto) | |
533 | { | |
534 | u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR; | |
535 | dev_info(&pluto->pdev->dev, "board revision %d.%d\n", | |
536 | (val >> 12) & 0x0f, (val >> 4) & 0xff); | |
537 | } | |
538 | ||
539 | static void __devinit pluto_read_mac(struct pluto *pluto, u8 *mac) | |
540 | { | |
541 | u32 val = pluto_readreg(pluto, REG_MMAC); | |
542 | mac[0] = (val >> 8) & 0xff; | |
543 | mac[1] = (val >> 0) & 0xff; | |
544 | ||
545 | val = pluto_readreg(pluto, REG_IMAC); | |
546 | mac[2] = (val >> 8) & 0xff; | |
547 | mac[3] = (val >> 0) & 0xff; | |
548 | ||
549 | val = pluto_readreg(pluto, REG_LMAC); | |
550 | mac[4] = (val >> 8) & 0xff; | |
551 | mac[5] = (val >> 0) & 0xff; | |
552 | ||
553 | dev_info(&pluto->pdev->dev, "MAC %02x:%02x:%02x:%02x:%02x:%02x\n", | |
554 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); | |
555 | } | |
556 | ||
557 | static int __devinit pluto_read_serial(struct pluto *pluto) | |
558 | { | |
559 | struct pci_dev *pdev = pluto->pdev; | |
560 | unsigned int i, j; | |
561 | u8 __iomem *cis; | |
562 | ||
563 | cis = pci_iomap(pdev, 1, 0); | |
564 | if (!cis) | |
565 | return -EIO; | |
566 | ||
567 | dev_info(&pdev->dev, "S/N "); | |
568 | ||
569 | for (i = 0xe0; i < 0x100; i += 4) { | |
570 | u32 val = readl(&cis[i]); | |
571 | for (j = 0; j < 32; j += 8) { | |
572 | if ((val & 0xff) == 0xff) | |
573 | goto out; | |
574 | printk("%c", val & 0xff); | |
575 | val >>= 8; | |
576 | } | |
577 | } | |
578 | out: | |
579 | printk("\n"); | |
580 | pci_iounmap(pdev, cis); | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | static int __devinit pluto2_probe(struct pci_dev *pdev, | |
586 | const struct pci_device_id *ent) | |
587 | { | |
588 | struct pluto *pluto; | |
589 | struct dvb_adapter *dvb_adapter; | |
590 | struct dvb_demux *dvbdemux; | |
591 | struct dmx_demux *dmx; | |
592 | int ret = -ENOMEM; | |
593 | ||
7408187d | 594 | pluto = kzalloc(sizeof(struct pluto), GFP_KERNEL); |
c7cadb3a AO |
595 | if (!pluto) |
596 | goto out; | |
597 | ||
c7cadb3a AO |
598 | pluto->pdev = pdev; |
599 | ||
600 | ret = pci_enable_device(pdev); | |
601 | if (ret < 0) | |
602 | goto err_kfree; | |
603 | ||
604 | /* enable interrupts */ | |
605 | pci_write_config_dword(pdev, 0x6c, 0x8000); | |
606 | ||
607 | ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK); | |
608 | if (ret < 0) | |
609 | goto err_pci_disable_device; | |
610 | ||
611 | pci_set_master(pdev); | |
612 | ||
613 | ret = pci_request_regions(pdev, DRIVER_NAME); | |
614 | if (ret < 0) | |
615 | goto err_pci_disable_device; | |
616 | ||
617 | pluto->io_mem = pci_iomap(pdev, 0, 0x40); | |
618 | if (!pluto->io_mem) { | |
619 | ret = -EIO; | |
620 | goto err_pci_release_regions; | |
621 | } | |
622 | ||
623 | pci_set_drvdata(pdev, pluto); | |
624 | ||
8076fe32 | 625 | ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto); |
c7cadb3a AO |
626 | if (ret < 0) |
627 | goto err_pci_iounmap; | |
628 | ||
629 | ret = pluto_hw_init(pluto); | |
630 | if (ret < 0) | |
631 | goto err_free_irq; | |
632 | ||
633 | /* i2c */ | |
634 | i2c_set_adapdata(&pluto->i2c_adap, pluto); | |
635 | strcpy(pluto->i2c_adap.name, DRIVER_NAME); | |
636 | pluto->i2c_adap.owner = THIS_MODULE; | |
c7cadb3a AO |
637 | pluto->i2c_adap.class = I2C_CLASS_TV_DIGITAL; |
638 | pluto->i2c_adap.dev.parent = &pdev->dev; | |
639 | pluto->i2c_adap.algo_data = &pluto->i2c_bit; | |
640 | pluto->i2c_bit.data = pluto; | |
641 | pluto->i2c_bit.setsda = pluto_setsda; | |
642 | pluto->i2c_bit.setscl = pluto_setscl; | |
643 | pluto->i2c_bit.getsda = pluto_getsda; | |
644 | pluto->i2c_bit.getscl = pluto_getscl; | |
645 | pluto->i2c_bit.udelay = 10; | |
646 | pluto->i2c_bit.timeout = 10; | |
647 | ||
648 | /* Raise SCL and SDA */ | |
649 | pluto_setsda(pluto, 1); | |
650 | pluto_setscl(pluto, 1); | |
651 | ||
652 | ret = i2c_bit_add_bus(&pluto->i2c_adap); | |
653 | if (ret < 0) | |
654 | goto err_pluto_hw_exit; | |
655 | ||
656 | /* dvb */ | |
d09dbf92 | 657 | ret = dvb_register_adapter(&pluto->dvb_adapter, DRIVER_NAME, THIS_MODULE, &pdev->dev); |
c7cadb3a | 658 | if (ret < 0) |
3269711b | 659 | goto err_i2c_del_adapter; |
c7cadb3a AO |
660 | |
661 | dvb_adapter = &pluto->dvb_adapter; | |
662 | ||
663 | pluto_read_rev(pluto); | |
664 | pluto_read_serial(pluto); | |
665 | pluto_read_mac(pluto, dvb_adapter->proposed_mac); | |
666 | ||
667 | dvbdemux = &pluto->demux; | |
668 | dvbdemux->filternum = 256; | |
669 | dvbdemux->feednum = 256; | |
670 | dvbdemux->start_feed = pluto_start_feed; | |
671 | dvbdemux->stop_feed = pluto_stop_feed; | |
672 | dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | | |
673 | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING); | |
674 | ret = dvb_dmx_init(dvbdemux); | |
675 | if (ret < 0) | |
676 | goto err_dvb_unregister_adapter; | |
677 | ||
678 | dmx = &dvbdemux->dmx; | |
679 | ||
680 | pluto->hw_frontend.source = DMX_FRONTEND_0; | |
681 | pluto->mem_frontend.source = DMX_MEMORY_FE; | |
682 | pluto->dmxdev.filternum = NHWFILTERS; | |
683 | pluto->dmxdev.demux = dmx; | |
684 | ||
685 | ret = dvb_dmxdev_init(&pluto->dmxdev, dvb_adapter); | |
686 | if (ret < 0) | |
687 | goto err_dvb_dmx_release; | |
688 | ||
689 | ret = dmx->add_frontend(dmx, &pluto->hw_frontend); | |
690 | if (ret < 0) | |
691 | goto err_dvb_dmxdev_release; | |
692 | ||
693 | ret = dmx->add_frontend(dmx, &pluto->mem_frontend); | |
694 | if (ret < 0) | |
695 | goto err_remove_hw_frontend; | |
696 | ||
697 | ret = dmx->connect_frontend(dmx, &pluto->hw_frontend); | |
698 | if (ret < 0) | |
699 | goto err_remove_mem_frontend; | |
700 | ||
701 | ret = frontend_init(pluto); | |
702 | if (ret < 0) | |
703 | goto err_disconnect_frontend; | |
704 | ||
705 | dvb_net_init(dvb_adapter, &pluto->dvbnet, dmx); | |
706 | out: | |
707 | return ret; | |
708 | ||
709 | err_disconnect_frontend: | |
710 | dmx->disconnect_frontend(dmx); | |
711 | err_remove_mem_frontend: | |
712 | dmx->remove_frontend(dmx, &pluto->mem_frontend); | |
713 | err_remove_hw_frontend: | |
714 | dmx->remove_frontend(dmx, &pluto->hw_frontend); | |
715 | err_dvb_dmxdev_release: | |
716 | dvb_dmxdev_release(&pluto->dmxdev); | |
717 | err_dvb_dmx_release: | |
718 | dvb_dmx_release(dvbdemux); | |
719 | err_dvb_unregister_adapter: | |
720 | dvb_unregister_adapter(dvb_adapter); | |
3269711b JD |
721 | err_i2c_del_adapter: |
722 | i2c_del_adapter(&pluto->i2c_adap); | |
c7cadb3a AO |
723 | err_pluto_hw_exit: |
724 | pluto_hw_exit(pluto); | |
725 | err_free_irq: | |
726 | free_irq(pdev->irq, pluto); | |
727 | err_pci_iounmap: | |
728 | pci_iounmap(pdev, pluto->io_mem); | |
729 | err_pci_release_regions: | |
730 | pci_release_regions(pdev); | |
731 | err_pci_disable_device: | |
732 | pci_disable_device(pdev); | |
733 | err_kfree: | |
734 | pci_set_drvdata(pdev, NULL); | |
735 | kfree(pluto); | |
736 | goto out; | |
737 | } | |
738 | ||
739 | static void __devexit pluto2_remove(struct pci_dev *pdev) | |
740 | { | |
741 | struct pluto *pluto = pci_get_drvdata(pdev); | |
742 | struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter; | |
743 | struct dvb_demux *dvbdemux = &pluto->demux; | |
744 | struct dmx_demux *dmx = &dvbdemux->dmx; | |
745 | ||
746 | dmx->close(dmx); | |
747 | dvb_net_release(&pluto->dvbnet); | |
748 | if (pluto->fe) | |
749 | dvb_unregister_frontend(pluto->fe); | |
750 | ||
751 | dmx->disconnect_frontend(dmx); | |
752 | dmx->remove_frontend(dmx, &pluto->mem_frontend); | |
753 | dmx->remove_frontend(dmx, &pluto->hw_frontend); | |
754 | dvb_dmxdev_release(&pluto->dmxdev); | |
755 | dvb_dmx_release(dvbdemux); | |
756 | dvb_unregister_adapter(dvb_adapter); | |
3269711b | 757 | i2c_del_adapter(&pluto->i2c_adap); |
c7cadb3a AO |
758 | pluto_hw_exit(pluto); |
759 | free_irq(pdev->irq, pluto); | |
760 | pci_iounmap(pdev, pluto->io_mem); | |
761 | pci_release_regions(pdev); | |
762 | pci_disable_device(pdev); | |
763 | pci_set_drvdata(pdev, NULL); | |
764 | kfree(pluto); | |
765 | } | |
766 | ||
767 | #ifndef PCI_VENDOR_ID_SCM | |
768 | #define PCI_VENDOR_ID_SCM 0x0432 | |
769 | #endif | |
770 | #ifndef PCI_DEVICE_ID_PLUTO2 | |
771 | #define PCI_DEVICE_ID_PLUTO2 0x0001 | |
772 | #endif | |
773 | ||
774 | static struct pci_device_id pluto2_id_table[] __devinitdata = { | |
775 | { | |
776 | .vendor = PCI_VENDOR_ID_SCM, | |
777 | .device = PCI_DEVICE_ID_PLUTO2, | |
778 | .subvendor = PCI_ANY_ID, | |
779 | .subdevice = PCI_ANY_ID, | |
780 | }, { | |
781 | /* empty */ | |
782 | }, | |
783 | }; | |
784 | ||
785 | MODULE_DEVICE_TABLE(pci, pluto2_id_table); | |
786 | ||
787 | static struct pci_driver pluto2_driver = { | |
788 | .name = DRIVER_NAME, | |
789 | .id_table = pluto2_id_table, | |
790 | .probe = pluto2_probe, | |
791 | .remove = __devexit_p(pluto2_remove), | |
792 | }; | |
793 | ||
794 | static int __init pluto2_init(void) | |
795 | { | |
796 | return pci_register_driver(&pluto2_driver); | |
797 | } | |
798 | ||
799 | static void __exit pluto2_exit(void) | |
800 | { | |
801 | pci_unregister_driver(&pluto2_driver); | |
802 | } | |
803 | ||
804 | module_init(pluto2_init); | |
805 | module_exit(pluto2_exit); | |
806 | ||
807 | MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>"); | |
808 | MODULE_DESCRIPTION("Pluto2 driver"); | |
809 | MODULE_LICENSE("GPL"); |