1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * pluto2.c - Satelco Easywatch Mobile Terrestrial Receiver [DVB-T] |
4 | * |
5 | * Copyright (C) 2005 Andreas Oberritter <obi@linuxtv.org> |
6 | * |
7 | * based on pluto2.c 1.10 - http://instinct-wp8.no-ip.org/pluto/ |
8 | * by Dany Salman <salmandany@yahoo.fr> |
9 | * Copyright (c) 2004 TDF |
10 | */ |
11 | |
12 | #include <linux/i2c.h> |
13 | #include <linux/i2c-algo-bit.h> |
14 | #include <linux/init.h> |
15 | #include <linux/interrupt.h> |
16 | #include <linux/kernel.h> |
17 | #include <linux/module.h> |
18 | #include <linux/pci.h> |
19 | #include <linux/dma-mapping.h> |
20 | #include <linux/slab.h> |
21 | |
22 | #include <media/demux.h> |
23 | #include <media/dmxdev.h> |
24 | #include <media/dvb_demux.h> |
25 | #include <media/dvb_frontend.h> |
26 | #include <media/dvb_net.h> |
27 | #include <media/dvbdev.h> |
28 | #include "tda1004x.h" |
29 | |
30 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
31 | |
32 | #define DRIVER_NAME "pluto2" |
33 | |
34 | #define REG_PIDn(n) ((n) << 2) /* PID n pattern registers */ |
35 | #define REG_PCAR 0x0020 /* PC address register */ |
36 | #define REG_TSCR 0x0024 /* TS ctrl & status */ |
37 | #define REG_MISC 0x0028 /* miscellaneous */ |
38 | #define REG_MMAC 0x002c /* MSB MAC address */ |
39 | #define REG_IMAC 0x0030 /* ISB MAC address */ |
40 | #define REG_LMAC 0x0034 /* LSB MAC address */ |
41 | #define REG_SPID 0x0038 /* SPI data */ |
42 | #define REG_SLCS 0x003c /* serial links ctrl/status */ |
43 | |
44 | #define PID0_NOFIL (0x0001 << 16) |
45 | #define PIDn_ENP (0x0001 << 15) |
46 | #define PID0_END (0x0001 << 14) |
47 | #define PID0_AFIL (0x0001 << 13) |
48 | #define PIDn_PID (0x1fff << 0) |
49 | |
50 | #define TSCR_NBPACKETS (0x00ff << 24) |
51 | #define TSCR_DEM (0x0001 << 17) |
52 | #define TSCR_DE (0x0001 << 16) |
53 | #define TSCR_RSTN (0x0001 << 15) |
54 | #define TSCR_MSKO (0x0001 << 14) |
55 | #define TSCR_MSKA (0x0001 << 13) |
56 | #define TSCR_MSKL (0x0001 << 12) |
57 | #define TSCR_OVR (0x0001 << 11) |
58 | #define TSCR_AFUL (0x0001 << 10) |
59 | #define TSCR_LOCK (0x0001 << 9) |
60 | #define TSCR_IACK (0x0001 << 8) |
61 | #define TSCR_ADEF (0x007f << 0) |
62 | |
63 | #define MISC_DVR (0x0fff << 4) |
64 | #define MISC_ALED (0x0001 << 3) |
65 | #define MISC_FRST (0x0001 << 2) |
66 | #define MISC_LED1 (0x0001 << 1) |
67 | #define MISC_LED0 (0x0001 << 0) |
68 | |
69 | #define SPID_SPIDR (0x00ff << 0) |
70 | |
71 | #define SLCS_SCL (0x0001 << 7) |
72 | #define SLCS_SDA (0x0001 << 6) |
73 | #define SLCS_CSN (0x0001 << 2) |
74 | #define SLCS_OVR (0x0001 << 1) |
75 | #define SLCS_SWC (0x0001 << 0) |
76 | |
77 | #define TS_DMA_PACKETS (8) |
78 | #define TS_DMA_BYTES (188 * TS_DMA_PACKETS) |
79 | |
80 | #define I2C_ADDR_TDA10046 0x10 |
81 | #define I2C_ADDR_TUA6034 0xc2 |
82 | #define NHWFILTERS 8 |
83 | |
84 | struct pluto { |
85 | /* pci */ |
86 | struct pci_dev *pdev; |
87 | u8 __iomem *io_mem; |
88 | |
89 | /* dvb */ |
90 | struct dmx_frontend hw_frontend; |
91 | struct dmx_frontend mem_frontend; |
92 | struct dmxdev dmxdev; |
93 | struct dvb_adapter dvb_adapter; |
94 | struct dvb_demux demux; |
95 | struct dvb_frontend *fe; |
96 | struct dvb_net dvbnet; |
97 | unsigned int full_ts_users; |
98 | unsigned int users; |
99 | |
100 | /* i2c */ |
101 | struct i2c_algo_bit_data i2c_bit; |
102 | struct i2c_adapter i2c_adap; |
103 | unsigned int i2cbug; |
104 | |
105 | /* irq */ |
106 | unsigned int overflow; |
107 | unsigned int dead; |
108 | |
109 | /* dma */ |
110 | dma_addr_t dma_addr; |
111 | u8 dma_buf[TS_DMA_BYTES]; |
112 | u8 dummy[4096]; |
113 | }; |
114 | |
115 | static inline struct pluto *feed_to_pluto(struct dvb_demux_feed *feed) |
116 | { |
117 | return container_of(feed->demux, struct pluto, demux); |
118 | } |
119 | |
120 | static inline struct pluto *frontend_to_pluto(struct dvb_frontend *fe) |
121 | { |
122 | return container_of(fe->dvb, struct pluto, dvb_adapter); |
123 | } |
124 | |
125 | static inline u32 pluto_readreg(struct pluto *pluto, u32 reg) |
126 | { |
127 | return readl(addr: &pluto->io_mem[reg]); |
128 | } |
129 | |
130 | static inline void pluto_writereg(struct pluto *pluto, u32 reg, u32 val) |
131 | { |
132 | writel(val, addr: &pluto->io_mem[reg]); |
133 | } |
134 | |
135 | static inline void pluto_rw(struct pluto *pluto, u32 reg, u32 mask, u32 bits) |
136 | { |
137 | u32 val = readl(addr: &pluto->io_mem[reg]); |
138 | val &= ~mask; |
139 | val |= bits; |
140 | writel(val, addr: &pluto->io_mem[reg]); |
141 | } |
142 | |
143 | static void pluto_write_tscr(struct pluto *pluto, u32 val) |
144 | { |
145 | /* set the number of packets */ |
146 | val &= ~TSCR_ADEF; |
147 | val |= TS_DMA_PACKETS / 2; |
148 | |
149 | pluto_writereg(pluto, REG_TSCR, val); |
150 | } |
151 | |
152 | static void pluto_setsda(void *data, int state) |
153 | { |
154 | struct pluto *pluto = data; |
155 | |
156 | if (state) |
157 | pluto_rw(pluto, REG_SLCS, SLCS_SDA, SLCS_SDA); |
158 | else |
159 | pluto_rw(pluto, REG_SLCS, SLCS_SDA, bits: 0); |
160 | } |
161 | |
162 | static void pluto_setscl(void *data, int state) |
163 | { |
164 | struct pluto *pluto = data; |
165 | |
166 | if (state) |
167 | pluto_rw(pluto, REG_SLCS, SLCS_SCL, SLCS_SCL); |
168 | else |
169 | pluto_rw(pluto, REG_SLCS, SLCS_SCL, bits: 0); |
170 | |
171 | /* try to detect i2c_inb() to workaround hardware bug: |
172 | * reset SDA to high after SCL has been set to low */ |
173 | if ((state) && (pluto->i2cbug == 0)) { |
174 | pluto->i2cbug = 1; |
175 | } else { |
176 | if ((!state) && (pluto->i2cbug == 1)) |
177 | pluto_setsda(data: pluto, state: 1); |
178 | pluto->i2cbug = 0; |
179 | } |
180 | } |
181 | |
182 | static int pluto_getsda(void *data) |
183 | { |
184 | struct pluto *pluto = data; |
185 | |
186 | return pluto_readreg(pluto, REG_SLCS) & SLCS_SDA; |
187 | } |
188 | |
189 | static int pluto_getscl(void *data) |
190 | { |
191 | struct pluto *pluto = data; |
192 | |
193 | return pluto_readreg(pluto, REG_SLCS) & SLCS_SCL; |
194 | } |
195 | |
196 | static void pluto_reset_frontend(struct pluto *pluto, int reenable) |
197 | { |
198 | u32 val = pluto_readreg(pluto, REG_MISC); |
199 | |
200 | if (val & MISC_FRST) { |
201 | val &= ~MISC_FRST; |
202 | pluto_writereg(pluto, REG_MISC, val); |
203 | } |
204 | if (reenable) { |
205 | val |= MISC_FRST; |
206 | pluto_writereg(pluto, REG_MISC, val); |
207 | } |
208 | } |
209 | |
210 | static void pluto_reset_ts(struct pluto *pluto, int reenable) |
211 | { |
212 | u32 val = pluto_readreg(pluto, REG_TSCR); |
213 | |
214 | if (val & TSCR_RSTN) { |
215 | val &= ~TSCR_RSTN; |
216 | pluto_write_tscr(pluto, val); |
217 | } |
218 | if (reenable) { |
219 | val |= TSCR_RSTN; |
220 | pluto_write_tscr(pluto, val); |
221 | } |
222 | } |
223 | |
224 | static void pluto_set_dma_addr(struct pluto *pluto) |
225 | { |
226 | pluto_writereg(pluto, REG_PCAR, val: pluto->dma_addr); |
227 | } |
228 | |
229 | static int pluto_dma_map(struct pluto *pluto) |
230 | { |
231 | pluto->dma_addr = dma_map_single(&pluto->pdev->dev, pluto->dma_buf, |
232 | TS_DMA_BYTES, DMA_FROM_DEVICE); |
233 | |
234 | return dma_mapping_error(dev: &pluto->pdev->dev, dma_addr: pluto->dma_addr); |
235 | } |
236 | |
237 | static void pluto_dma_unmap(struct pluto *pluto) |
238 | { |
239 | dma_unmap_single(&pluto->pdev->dev, pluto->dma_addr, TS_DMA_BYTES, |
240 | DMA_FROM_DEVICE); |
241 | } |
242 | |
243 | static int pluto_start_feed(struct dvb_demux_feed *f) |
244 | { |
245 | struct pluto *pluto = feed_to_pluto(feed: f); |
246 | |
247 | /* enable PID filtering */ |
248 | if (pluto->users++ == 0) |
249 | pluto_rw(pluto, REG_PIDn(0), PID0_AFIL | PID0_NOFIL, bits: 0); |
250 | |
251 | if ((f->pid < 0x2000) && (f->index < NHWFILTERS)) |
252 | pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, PIDn_ENP | f->pid); |
253 | else if (pluto->full_ts_users++ == 0) |
254 | pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, PID0_NOFIL); |
255 | |
256 | return 0; |
257 | } |
258 | |
259 | static int pluto_stop_feed(struct dvb_demux_feed *f) |
260 | { |
261 | struct pluto *pluto = feed_to_pluto(feed: f); |
262 | |
263 | /* disable PID filtering */ |
264 | if (--pluto->users == 0) |
265 | pluto_rw(pluto, REG_PIDn(0), PID0_AFIL, PID0_AFIL); |
266 | |
267 | if ((f->pid < 0x2000) && (f->index < NHWFILTERS)) |
268 | pluto_rw(pluto, REG_PIDn(f->index), PIDn_ENP | PIDn_PID, bits: 0x1fff); |
269 | else if (--pluto->full_ts_users == 0) |
270 | pluto_rw(pluto, REG_PIDn(0), PID0_NOFIL, bits: 0); |
271 | |
272 | return 0; |
273 | } |
274 | |
275 | static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets) |
276 | { |
277 | /* synchronize the DMA transfer with the CPU |
278 | * first so that we see updated contents. */ |
279 | dma_sync_single_for_cpu(dev: &pluto->pdev->dev, addr: pluto->dma_addr, |
280 | TS_DMA_BYTES, dir: DMA_FROM_DEVICE); |
281 | |
282 | /* Workaround for broken hardware: |
283 | * [1] On startup NBPACKETS seems to contain an uninitialized value, |
284 | * but no packets have been transferred. |
285 | * [2] Sometimes (actually very often) NBPACKETS stays at zero |
286 | * although one packet has been transferred. |
287 | * [3] Sometimes (actually rarely), the card gets into an erroneous |
288 | * mode where it continuously generates interrupts, claiming it |
289 | * has received nbpackets>TS_DMA_PACKETS packets, but no packet |
290 | * has been transferred. Only a reset seems to solve this |
291 | */ |
292 | if ((nbpackets == 0) || (nbpackets > TS_DMA_PACKETS)) { |
293 | unsigned int i = 0; |
294 | while (pluto->dma_buf[i] == 0x47) |
295 | i += 188; |
296 | nbpackets = i / 188; |
297 | if (i == 0) { |
298 | pluto_reset_ts(pluto, reenable: 1); |
299 | dev_printk(KERN_DEBUG, &pluto->pdev->dev, "resetting TS because of invalid packet counter\n" ); |
300 | } |
301 | } |
302 | |
303 | dvb_dmx_swfilter_packets(demux: &pluto->demux, buf: pluto->dma_buf, count: nbpackets); |
304 | |
305 | /* clear the dma buffer. this is needed to be able to identify |
306 | * new valid ts packets above */ |
307 | memset(pluto->dma_buf, 0, nbpackets * 188); |
308 | |
309 | /* reset the dma address */ |
310 | pluto_set_dma_addr(pluto); |
311 | |
312 | /* sync the buffer and give it back to the card */ |
313 | dma_sync_single_for_device(dev: &pluto->pdev->dev, addr: pluto->dma_addr, |
314 | TS_DMA_BYTES, dir: DMA_FROM_DEVICE); |
315 | } |
316 | |
317 | static irqreturn_t pluto_irq(int irq, void *dev_id) |
318 | { |
319 | struct pluto *pluto = dev_id; |
320 | u32 tscr; |
321 | |
322 | /* check whether an interrupt occurred on this device */ |
323 | tscr = pluto_readreg(pluto, REG_TSCR); |
324 | if (!(tscr & (TSCR_DE | TSCR_OVR))) |
325 | return IRQ_NONE; |
326 | |
327 | if (tscr == 0xffffffff) { |
328 | if (pluto->dead == 0) |
329 | dev_err(&pluto->pdev->dev, "card has hung or been ejected.\n" ); |
330 | /* It's dead Jim */ |
331 | pluto->dead = 1; |
332 | return IRQ_HANDLED; |
333 | } |
334 | |
335 | /* dma end interrupt */ |
336 | if (tscr & TSCR_DE) { |
337 | pluto_dma_end(pluto, nbpackets: (tscr & TSCR_NBPACKETS) >> 24); |
338 | /* overflow interrupt */ |
339 | if (tscr & TSCR_OVR) |
340 | pluto->overflow++; |
341 | if (pluto->overflow) { |
342 | dev_err(&pluto->pdev->dev, "overflow irq (%d)\n" , |
343 | pluto->overflow); |
344 | pluto_reset_ts(pluto, reenable: 1); |
345 | pluto->overflow = 0; |
346 | } |
347 | } else if (tscr & TSCR_OVR) { |
348 | pluto->overflow++; |
349 | } |
350 | |
351 | /* ACK the interrupt */ |
352 | pluto_write_tscr(pluto, val: tscr | TSCR_IACK); |
353 | |
354 | return IRQ_HANDLED; |
355 | } |
356 | |
357 | static void pluto_enable_irqs(struct pluto *pluto) |
358 | { |
359 | u32 val = pluto_readreg(pluto, REG_TSCR); |
360 | |
361 | /* disable AFUL and LOCK interrupts */ |
362 | val |= (TSCR_MSKA | TSCR_MSKL); |
363 | /* enable DMA and OVERFLOW interrupts */ |
364 | val &= ~(TSCR_DEM | TSCR_MSKO); |
365 | /* clear pending interrupts */ |
366 | val |= TSCR_IACK; |
367 | |
368 | pluto_write_tscr(pluto, val); |
369 | } |
370 | |
371 | static void pluto_disable_irqs(struct pluto *pluto) |
372 | { |
373 | u32 val = pluto_readreg(pluto, REG_TSCR); |
374 | |
375 | /* disable all interrupts */ |
376 | val |= (TSCR_DEM | TSCR_MSKO | TSCR_MSKA | TSCR_MSKL); |
377 | /* clear pending interrupts */ |
378 | val |= TSCR_IACK; |
379 | |
380 | pluto_write_tscr(pluto, val); |
381 | } |
382 | |
383 | static int pluto_hw_init(struct pluto *pluto) |
384 | { |
385 | pluto_reset_frontend(pluto, reenable: 1); |
386 | |
387 | /* set automatic LED control by FPGA */ |
388 | pluto_rw(pluto, REG_MISC, MISC_ALED, MISC_ALED); |
389 | |
390 | /* set data endianness */ |
391 | #ifdef __LITTLE_ENDIAN |
392 | pluto_rw(pluto, REG_PIDn(0), PID0_END, PID0_END); |
393 | #else |
394 | pluto_rw(pluto, REG_PIDn(0), PID0_END, 0); |
395 | #endif |
396 | /* map DMA and set address */ |
397 | pluto_dma_map(pluto); |
398 | pluto_set_dma_addr(pluto); |
399 | |
400 | /* enable interrupts */ |
401 | pluto_enable_irqs(pluto); |
402 | |
403 | /* reset TS logic */ |
404 | pluto_reset_ts(pluto, reenable: 1); |
405 | |
406 | return 0; |
407 | } |
408 | |
409 | static void pluto_hw_exit(struct pluto *pluto) |
410 | { |
411 | /* disable interrupts */ |
412 | pluto_disable_irqs(pluto); |
413 | |
414 | pluto_reset_ts(pluto, reenable: 0); |
415 | |
416 | /* LED: disable automatic control, enable yellow, disable green */ |
417 | pluto_rw(pluto, REG_MISC, MISC_ALED | MISC_LED1 | MISC_LED0, MISC_LED1); |
418 | |
419 | /* unmap DMA */ |
420 | pluto_dma_unmap(pluto); |
421 | |
422 | pluto_reset_frontend(pluto, reenable: 0); |
423 | } |
424 | |
425 | static inline u32 divide(u32 numerator, u32 denominator) |
426 | { |
427 | if (denominator == 0) |
428 | return ~0; |
429 | |
430 | return DIV_ROUND_CLOSEST(numerator, denominator); |
431 | } |
432 | |
433 | /* LG Innotek TDTE-E001P (Infineon TUA6034) */ |
434 | static int lg_tdtpe001p_tuner_set_params(struct dvb_frontend *fe) |
435 | { |
436 | struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
437 | struct pluto *pluto = frontend_to_pluto(fe); |
438 | struct i2c_msg msg; |
439 | int ret; |
440 | u8 buf[4]; |
441 | u32 div; |
442 | |
443 | // Fref = 166.667 Hz |
444 | // Fref * 3 = 500.000 Hz |
445 | // IF = 36166667 |
446 | // IF / Fref = 217 |
447 | //div = divide(p->frequency + 36166667, 166667); |
448 | div = divide(numerator: p->frequency * 3, denominator: 500000) + 217; |
449 | buf[0] = (div >> 8) & 0x7f; |
450 | buf[1] = (div >> 0) & 0xff; |
451 | |
452 | if (p->frequency < 611000000) |
453 | buf[2] = 0xb4; |
454 | else if (p->frequency < 811000000) |
455 | buf[2] = 0xbc; |
456 | else |
457 | buf[2] = 0xf4; |
458 | |
459 | // VHF: 174-230 MHz |
460 | // center: 350 MHz |
461 | // UHF: 470-862 MHz |
462 | if (p->frequency < 350000000) |
463 | buf[3] = 0x02; |
464 | else |
465 | buf[3] = 0x04; |
466 | |
467 | if (p->bandwidth_hz == 8000000) |
468 | buf[3] |= 0x08; |
469 | |
470 | msg.addr = I2C_ADDR_TUA6034 >> 1; |
471 | msg.flags = 0; |
472 | msg.buf = buf; |
473 | msg.len = sizeof(buf); |
474 | |
475 | if (fe->ops.i2c_gate_ctrl) |
476 | fe->ops.i2c_gate_ctrl(fe, 1); |
477 | ret = i2c_transfer(adap: &pluto->i2c_adap, msgs: &msg, num: 1); |
478 | if (ret < 0) |
479 | return ret; |
480 | else if (ret == 0) |
481 | return -EREMOTEIO; |
482 | |
483 | return 0; |
484 | } |
485 | |
486 | static int pluto2_request_firmware(struct dvb_frontend *fe, |
487 | const struct firmware **fw, char *name) |
488 | { |
489 | struct pluto *pluto = frontend_to_pluto(fe); |
490 | |
491 | return request_firmware(fw, name, &pluto->pdev->dev); |
492 | } |
493 | |
494 | static struct tda1004x_config pluto2_fe_config = { |
495 | .demod_address = I2C_ADDR_TDA10046 >> 1, |
496 | .invert = 1, |
497 | .invert_oclk = 0, |
498 | .xtal_freq = TDA10046_XTAL_16M, |
499 | .agc_config = TDA10046_AGC_DEFAULT, |
500 | .if_freq = TDA10046_FREQ_3617, |
501 | .request_firmware = pluto2_request_firmware, |
502 | }; |
503 | |
504 | static int frontend_init(struct pluto *pluto) |
505 | { |
506 | int ret; |
507 | |
508 | pluto->fe = tda10046_attach(&pluto2_fe_config, &pluto->i2c_adap); |
509 | if (!pluto->fe) { |
510 | dev_err(&pluto->pdev->dev, "could not attach frontend\n" ); |
511 | return -ENODEV; |
512 | } |
513 | pluto->fe->ops.tuner_ops.set_params = lg_tdtpe001p_tuner_set_params; |
514 | |
515 | ret = dvb_register_frontend(dvb: &pluto->dvb_adapter, fe: pluto->fe); |
516 | if (ret < 0) { |
517 | if (pluto->fe->ops.release) |
518 | pluto->fe->ops.release(pluto->fe); |
519 | return ret; |
520 | } |
521 | |
522 | return 0; |
523 | } |
524 | |
525 | static void pluto_read_rev(struct pluto *pluto) |
526 | { |
527 | u32 val = pluto_readreg(pluto, REG_MISC) & MISC_DVR; |
528 | dev_info(&pluto->pdev->dev, "board revision %d.%d\n" , |
529 | (val >> 12) & 0x0f, (val >> 4) & 0xff); |
530 | } |
531 | |
532 | static void pluto_read_mac(struct pluto *pluto, u8 *mac) |
533 | { |
534 | u32 val = pluto_readreg(pluto, REG_MMAC); |
535 | mac[0] = (val >> 8) & 0xff; |
536 | mac[1] = (val >> 0) & 0xff; |
537 | |
538 | val = pluto_readreg(pluto, REG_IMAC); |
539 | mac[2] = (val >> 8) & 0xff; |
540 | mac[3] = (val >> 0) & 0xff; |
541 | |
542 | val = pluto_readreg(pluto, REG_LMAC); |
543 | mac[4] = (val >> 8) & 0xff; |
544 | mac[5] = (val >> 0) & 0xff; |
545 | |
546 | dev_info(&pluto->pdev->dev, "MAC %pM\n" , mac); |
547 | } |
548 | |
549 | static int pluto_read_serial(struct pluto *pluto) |
550 | { |
551 | struct pci_dev *pdev = pluto->pdev; |
552 | unsigned int i, j; |
553 | u8 __iomem *cis; |
554 | |
555 | cis = pci_iomap(dev: pdev, bar: 1, max: 0); |
556 | if (!cis) |
557 | return -EIO; |
558 | |
559 | dev_info(&pdev->dev, "S/N " ); |
560 | |
561 | for (i = 0xe0; i < 0x100; i += 4) { |
562 | u32 val = readl(addr: &cis[i]); |
563 | for (j = 0; j < 32; j += 8) { |
564 | if ((val & 0xff) == 0xff) |
565 | goto out; |
566 | printk(KERN_CONT "%c" , val & 0xff); |
567 | val >>= 8; |
568 | } |
569 | } |
570 | out: |
571 | printk(KERN_CONT "\n" ); |
572 | pci_iounmap(dev: pdev, cis); |
573 | |
574 | return 0; |
575 | } |
576 | |
577 | static int pluto2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
578 | { |
579 | struct pluto *pluto; |
580 | struct dvb_adapter *dvb_adapter; |
581 | struct dvb_demux *dvbdemux; |
582 | struct dmx_demux *dmx; |
583 | int ret = -ENOMEM; |
584 | |
585 | pluto = kzalloc(size: sizeof(struct pluto), GFP_KERNEL); |
586 | if (!pluto) |
587 | goto out; |
588 | |
589 | pluto->pdev = pdev; |
590 | |
591 | ret = pci_enable_device(dev: pdev); |
592 | if (ret < 0) |
593 | goto err_kfree; |
594 | |
595 | /* enable interrupts */ |
596 | pci_write_config_dword(dev: pdev, where: 0x6c, val: 0x8000); |
597 | |
598 | ret = dma_set_mask(dev: &pdev->dev, DMA_BIT_MASK(32)); |
599 | if (ret < 0) |
600 | goto err_pci_disable_device; |
601 | |
602 | pci_set_master(dev: pdev); |
603 | |
604 | ret = pci_request_regions(pdev, DRIVER_NAME); |
605 | if (ret < 0) |
606 | goto err_pci_disable_device; |
607 | |
608 | pluto->io_mem = pci_iomap(dev: pdev, bar: 0, max: 0x40); |
609 | if (!pluto->io_mem) { |
610 | ret = -EIO; |
611 | goto err_pci_release_regions; |
612 | } |
613 | |
614 | pci_set_drvdata(pdev, data: pluto); |
615 | |
616 | ret = request_irq(irq: pdev->irq, handler: pluto_irq, IRQF_SHARED, DRIVER_NAME, dev: pluto); |
617 | if (ret < 0) |
618 | goto err_pci_iounmap; |
619 | |
620 | ret = pluto_hw_init(pluto); |
621 | if (ret < 0) |
622 | goto err_free_irq; |
623 | |
624 | /* i2c */ |
625 | i2c_set_adapdata(adap: &pluto->i2c_adap, data: pluto); |
626 | strscpy(pluto->i2c_adap.name, DRIVER_NAME, sizeof(pluto->i2c_adap.name)); |
627 | pluto->i2c_adap.owner = THIS_MODULE; |
628 | pluto->i2c_adap.dev.parent = &pdev->dev; |
629 | pluto->i2c_adap.algo_data = &pluto->i2c_bit; |
630 | pluto->i2c_bit.data = pluto; |
631 | pluto->i2c_bit.setsda = pluto_setsda; |
632 | pluto->i2c_bit.setscl = pluto_setscl; |
633 | pluto->i2c_bit.getsda = pluto_getsda; |
634 | pluto->i2c_bit.getscl = pluto_getscl; |
635 | pluto->i2c_bit.udelay = 10; |
636 | pluto->i2c_bit.timeout = 10; |
637 | |
638 | /* Raise SCL and SDA */ |
639 | pluto_setsda(data: pluto, state: 1); |
640 | pluto_setscl(data: pluto, state: 1); |
641 | |
642 | ret = i2c_bit_add_bus(&pluto->i2c_adap); |
643 | if (ret < 0) |
644 | goto err_pluto_hw_exit; |
645 | |
646 | /* dvb */ |
647 | ret = dvb_register_adapter(adap: &pluto->dvb_adapter, DRIVER_NAME, |
648 | THIS_MODULE, device: &pdev->dev, adapter_nums: adapter_nr); |
649 | if (ret < 0) |
650 | goto err_i2c_del_adapter; |
651 | |
652 | dvb_adapter = &pluto->dvb_adapter; |
653 | |
654 | pluto_read_rev(pluto); |
655 | pluto_read_serial(pluto); |
656 | pluto_read_mac(pluto, mac: dvb_adapter->proposed_mac); |
657 | |
658 | dvbdemux = &pluto->demux; |
659 | dvbdemux->filternum = 256; |
660 | dvbdemux->feednum = 256; |
661 | dvbdemux->start_feed = pluto_start_feed; |
662 | dvbdemux->stop_feed = pluto_stop_feed; |
663 | dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | |
664 | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING); |
665 | ret = dvb_dmx_init(demux: dvbdemux); |
666 | if (ret < 0) |
667 | goto err_dvb_unregister_adapter; |
668 | |
669 | dmx = &dvbdemux->dmx; |
670 | |
671 | pluto->hw_frontend.source = DMX_FRONTEND_0; |
672 | pluto->mem_frontend.source = DMX_MEMORY_FE; |
673 | pluto->dmxdev.filternum = NHWFILTERS; |
674 | pluto->dmxdev.demux = dmx; |
675 | |
676 | ret = dvb_dmxdev_init(dmxdev: &pluto->dmxdev, adap: dvb_adapter); |
677 | if (ret < 0) |
678 | goto err_dvb_dmx_release; |
679 | |
680 | ret = dmx->add_frontend(dmx, &pluto->hw_frontend); |
681 | if (ret < 0) |
682 | goto err_dvb_dmxdev_release; |
683 | |
684 | ret = dmx->add_frontend(dmx, &pluto->mem_frontend); |
685 | if (ret < 0) |
686 | goto err_remove_hw_frontend; |
687 | |
688 | ret = dmx->connect_frontend(dmx, &pluto->hw_frontend); |
689 | if (ret < 0) |
690 | goto err_remove_mem_frontend; |
691 | |
692 | ret = frontend_init(pluto); |
693 | if (ret < 0) |
694 | goto err_disconnect_frontend; |
695 | |
696 | dvb_net_init(adap: dvb_adapter, dvbnet: &pluto->dvbnet, dmxdemux: dmx); |
697 | out: |
698 | return ret; |
699 | |
700 | err_disconnect_frontend: |
701 | dmx->disconnect_frontend(dmx); |
702 | err_remove_mem_frontend: |
703 | dmx->remove_frontend(dmx, &pluto->mem_frontend); |
704 | err_remove_hw_frontend: |
705 | dmx->remove_frontend(dmx, &pluto->hw_frontend); |
706 | err_dvb_dmxdev_release: |
707 | dvb_dmxdev_release(dmxdev: &pluto->dmxdev); |
708 | err_dvb_dmx_release: |
709 | dvb_dmx_release(demux: dvbdemux); |
710 | err_dvb_unregister_adapter: |
711 | dvb_unregister_adapter(adap: dvb_adapter); |
712 | err_i2c_del_adapter: |
713 | i2c_del_adapter(adap: &pluto->i2c_adap); |
714 | err_pluto_hw_exit: |
715 | pluto_hw_exit(pluto); |
716 | err_free_irq: |
717 | free_irq(pdev->irq, pluto); |
718 | err_pci_iounmap: |
719 | pci_iounmap(dev: pdev, pluto->io_mem); |
720 | err_pci_release_regions: |
721 | pci_release_regions(pdev); |
722 | err_pci_disable_device: |
723 | pci_disable_device(dev: pdev); |
724 | err_kfree: |
725 | kfree(objp: pluto); |
726 | goto out; |
727 | } |
728 | |
729 | static void pluto2_remove(struct pci_dev *pdev) |
730 | { |
731 | struct pluto *pluto = pci_get_drvdata(pdev); |
732 | struct dvb_adapter *dvb_adapter = &pluto->dvb_adapter; |
733 | struct dvb_demux *dvbdemux = &pluto->demux; |
734 | struct dmx_demux *dmx = &dvbdemux->dmx; |
735 | |
736 | dmx->close(dmx); |
737 | dvb_net_release(dvbnet: &pluto->dvbnet); |
738 | if (pluto->fe) |
739 | dvb_unregister_frontend(fe: pluto->fe); |
740 | |
741 | dmx->disconnect_frontend(dmx); |
742 | dmx->remove_frontend(dmx, &pluto->mem_frontend); |
743 | dmx->remove_frontend(dmx, &pluto->hw_frontend); |
744 | dvb_dmxdev_release(dmxdev: &pluto->dmxdev); |
745 | dvb_dmx_release(demux: dvbdemux); |
746 | dvb_unregister_adapter(adap: dvb_adapter); |
747 | i2c_del_adapter(adap: &pluto->i2c_adap); |
748 | pluto_hw_exit(pluto); |
749 | free_irq(pdev->irq, pluto); |
750 | pci_iounmap(dev: pdev, pluto->io_mem); |
751 | pci_release_regions(pdev); |
752 | pci_disable_device(dev: pdev); |
753 | kfree(objp: pluto); |
754 | } |
755 | |
756 | #ifndef PCI_VENDOR_ID_SCM |
757 | #define PCI_VENDOR_ID_SCM 0x0432 |
758 | #endif |
759 | #ifndef PCI_DEVICE_ID_PLUTO2 |
760 | #define PCI_DEVICE_ID_PLUTO2 0x0001 |
761 | #endif |
762 | |
763 | static const struct pci_device_id pluto2_id_table[] = { |
764 | { |
765 | .vendor = PCI_VENDOR_ID_SCM, |
766 | .device = PCI_DEVICE_ID_PLUTO2, |
767 | .subvendor = PCI_ANY_ID, |
768 | .subdevice = PCI_ANY_ID, |
769 | }, { |
770 | /* empty */ |
771 | }, |
772 | }; |
773 | |
774 | MODULE_DEVICE_TABLE(pci, pluto2_id_table); |
775 | |
776 | static struct pci_driver pluto2_driver = { |
777 | .name = DRIVER_NAME, |
778 | .id_table = pluto2_id_table, |
779 | .probe = pluto2_probe, |
780 | .remove = pluto2_remove, |
781 | }; |
782 | |
783 | module_pci_driver(pluto2_driver); |
784 | |
785 | MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>" ); |
786 | MODULE_DESCRIPTION("Pluto2 driver" ); |
787 | MODULE_LICENSE("GPL" ); |
788 | |