aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/frontends/dib9000.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/frontends/dib9000.c')
-rw-r--r--drivers/media/dvb/frontends/dib9000.c2351
1 files changed, 2351 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/dib9000.c b/drivers/media/dvb/frontends/dib9000.c
new file mode 100644
index 000000000000..91518761a2da
--- /dev/null
+++ b/drivers/media/dvb/frontends/dib9000.c
@@ -0,0 +1,2351 @@
1/*
2 * Linux-DVB Driver for DiBcom's DiB9000 and demodulator-family.
3 *
4 * Copyright (C) 2005-10 DiBcom (http://www.dibcom.fr/)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, version 2.
9 */
10#include <linux/kernel.h>
11#include <linux/i2c.h>
12#include <linux/mutex.h>
13
14#include "dvb_math.h"
15#include "dvb_frontend.h"
16
17#include "dib9000.h"
18#include "dibx000_common.h"
19
20static int debug;
21module_param(debug, int, 0644);
22MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
23
24#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB9000: "); printk(args); printk("\n"); } } while (0)
25#define MAX_NUMBER_OF_FRONTENDS 6
26
27struct i2c_device {
28 struct i2c_adapter *i2c_adap;
29 u8 i2c_addr;
30};
31
32/* lock */
33#define DIB_LOCK struct mutex
34#define DibAcquireLock(lock) do { if (mutex_lock_interruptible(lock) < 0) dprintk("could not get the lock"); } while (0)
35#define DibReleaseLock(lock) mutex_unlock(lock)
36#define DibInitLock(lock) mutex_init(lock)
37#define DibFreeLock(lock)
38
39struct dib9000_state {
40 struct i2c_device i2c;
41
42 struct dibx000_i2c_master i2c_master;
43 struct i2c_adapter tuner_adap;
44 struct i2c_adapter component_bus;
45
46 u16 revision;
47 u8 reg_offs;
48
49 enum frontend_tune_state tune_state;
50 u32 status;
51 struct dvb_frontend_parametersContext channel_status;
52
53 u8 fe_id;
54
55#define DIB9000_GPIO_DEFAULT_DIRECTIONS 0xffff
56 u16 gpio_dir;
57#define DIB9000_GPIO_DEFAULT_VALUES 0x0000
58 u16 gpio_val;
59#define DIB9000_GPIO_DEFAULT_PWM_POS 0xffff
60 u16 gpio_pwm_pos;
61
62 union { /* common for all chips */
63 struct {
64 u8 mobile_mode:1;
65 } host;
66
67 struct {
68 struct dib9000_fe_memory_map {
69 u16 addr;
70 u16 size;
71 } fe_mm[18];
72 u8 memcmd;
73
74 DIB_LOCK mbx_if_lock; /* to protect read/write operations */
75 DIB_LOCK mbx_lock; /* to protect the whole mailbox handling */
76
77 DIB_LOCK mem_lock; /* to protect the memory accesses */
78 DIB_LOCK mem_mbx_lock; /* to protect the memory-based mailbox */
79
80#define MBX_MAX_WORDS (256 - 200 - 2)
81#define DIB9000_MSG_CACHE_SIZE 2
82 u16 message_cache[DIB9000_MSG_CACHE_SIZE][MBX_MAX_WORDS];
83 u8 fw_is_running;
84 } risc;
85 } platform;
86
87 union { /* common for all platforms */
88 struct {
89 struct dib9000_config cfg;
90 } d9;
91 } chip;
92
93 struct dvb_frontend *fe[MAX_NUMBER_OF_FRONTENDS];
94 u16 component_bus_speed;
95};
96
97u32 fe_info[44] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
98 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
99 0, 0, 0
100};
101
102enum dib9000_power_mode {
103 DIB9000_POWER_ALL = 0,
104
105 DIB9000_POWER_NO,
106 DIB9000_POWER_INTERF_ANALOG_AGC,
107 DIB9000_POWER_COR4_DINTLV_ICIRM_EQUAL_CFROD,
108 DIB9000_POWER_COR4_CRY_ESRAM_MOUT_NUD,
109 DIB9000_POWER_INTERFACE_ONLY,
110};
111
112enum dib9000_out_messages {
113 OUT_MSG_HBM_ACK,
114 OUT_MSG_HOST_BUF_FAIL,
115 OUT_MSG_REQ_VERSION,
116 OUT_MSG_BRIDGE_I2C_W,
117 OUT_MSG_BRIDGE_I2C_R,
118 OUT_MSG_BRIDGE_APB_W,
119 OUT_MSG_BRIDGE_APB_R,
120 OUT_MSG_SCAN_CHANNEL,
121 OUT_MSG_MONIT_DEMOD,
122 OUT_MSG_CONF_GPIO,
123 OUT_MSG_DEBUG_HELP,
124 OUT_MSG_SUBBAND_SEL,
125 OUT_MSG_ENABLE_TIME_SLICE,
126 OUT_MSG_FE_FW_DL,
127 OUT_MSG_FE_CHANNEL_SEARCH,
128 OUT_MSG_FE_CHANNEL_TUNE,
129 OUT_MSG_FE_SLEEP,
130 OUT_MSG_FE_SYNC,
131 OUT_MSG_CTL_MONIT,
132
133 OUT_MSG_CONF_SVC,
134 OUT_MSG_SET_HBM,
135 OUT_MSG_INIT_DEMOD,
136 OUT_MSG_ENABLE_DIVERSITY,
137 OUT_MSG_SET_OUTPUT_MODE,
138 OUT_MSG_SET_PRIORITARY_CHANNEL,
139 OUT_MSG_ACK_FRG,
140 OUT_MSG_INIT_PMU,
141};
142
143enum dib9000_in_messages {
144 IN_MSG_DATA,
145 IN_MSG_FRAME_INFO,
146 IN_MSG_CTL_MONIT,
147 IN_MSG_ACK_FREE_ITEM,
148 IN_MSG_DEBUG_BUF,
149 IN_MSG_MPE_MONITOR,
150 IN_MSG_RAWTS_MONITOR,
151 IN_MSG_END_BRIDGE_I2C_RW,
152 IN_MSG_END_BRIDGE_APB_RW,
153 IN_MSG_VERSION,
154 IN_MSG_END_OF_SCAN,
155 IN_MSG_MONIT_DEMOD,
156 IN_MSG_ERROR,
157 IN_MSG_FE_FW_DL_DONE,
158 IN_MSG_EVENT,
159 IN_MSG_ACK_CHANGE_SVC,
160 IN_MSG_HBM_PROF,
161};
162
163/* memory_access requests */
164#define FE_MM_W_CHANNEL 0
165#define FE_MM_W_FE_INFO 1
166#define FE_MM_RW_SYNC 2
167
168#define FE_SYNC_CHANNEL 1
169#define FE_SYNC_W_GENERIC_MONIT 2
170#define FE_SYNC_COMPONENT_ACCESS 3
171
172#define FE_MM_R_CHANNEL_SEARCH_STATE 3
173#define FE_MM_R_CHANNEL_UNION_CONTEXT 4
174#define FE_MM_R_FE_INFO 5
175#define FE_MM_R_FE_MONITOR 6
176
177#define FE_MM_W_CHANNEL_HEAD 7
178#define FE_MM_W_CHANNEL_UNION 8
179#define FE_MM_W_CHANNEL_CONTEXT 9
180#define FE_MM_R_CHANNEL_UNION 10
181#define FE_MM_R_CHANNEL_CONTEXT 11
182#define FE_MM_R_CHANNEL_TUNE_STATE 12
183
184#define FE_MM_R_GENERIC_MONITORING_SIZE 13
185#define FE_MM_W_GENERIC_MONITORING 14
186#define FE_MM_R_GENERIC_MONITORING 15
187
188#define FE_MM_W_COMPONENT_ACCESS 16
189#define FE_MM_RW_COMPONENT_ACCESS_BUFFER 17
190static int dib9000_risc_apb_access_read(struct dib9000_state *state, u32 address, u16 attribute, const u8 * tx, u32 txlen, u8 * b, u32 len);
191static int dib9000_risc_apb_access_write(struct dib9000_state *state, u32 address, u16 attribute, const u8 * b, u32 len);
192
193static u16 to_fw_output_mode(u16 mode)
194{
195 switch (mode) {
196 case OUTMODE_HIGH_Z:
197 return 0;
198 case OUTMODE_MPEG2_PAR_GATED_CLK:
199 return 4;
200 case OUTMODE_MPEG2_PAR_CONT_CLK:
201 return 8;
202 case OUTMODE_MPEG2_SERIAL:
203 return 16;
204 case OUTMODE_DIVERSITY:
205 return 128;
206 case OUTMODE_MPEG2_FIFO:
207 return 2;
208 case OUTMODE_ANALOG_ADC:
209 return 1;
210 default:
211 return 0;
212 }
213}
214
215static u16 dib9000_read16_attr(struct dib9000_state *state, u16 reg, u8 * b, u32 len, u16 attribute)
216{
217 u32 chunk_size = 126;
218 u32 l;
219 int ret;
220 u8 wb[2] = { reg >> 8, reg & 0xff };
221 struct i2c_msg msg[2] = {
222 {.addr = state->i2c.i2c_addr >> 1, .flags = 0, .buf = wb, .len = 2},
223 {.addr = state->i2c.i2c_addr >> 1, .flags = I2C_M_RD, .buf = b, .len = len},
224 };
225
226 if (state->platform.risc.fw_is_running && (reg < 1024))
227 return dib9000_risc_apb_access_read(state, reg, attribute, NULL, 0, b, len);
228
229 if (attribute & DATA_BUS_ACCESS_MODE_8BIT)
230 wb[0] |= (1 << 5);
231 if (attribute & DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
232 wb[0] |= (1 << 4);
233
234 do {
235 l = len < chunk_size ? len : chunk_size;
236 msg[1].len = l;
237 msg[1].buf = b;
238 ret = i2c_transfer(state->i2c.i2c_adap, msg, 2) != 2 ? -EREMOTEIO : 0;
239 if (ret != 0) {
240 dprintk("i2c read error on %d", reg);
241 return -EREMOTEIO;
242 }
243
244 b += l;
245 len -= l;
246
247 if (!(attribute & DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT))
248 reg += l / 2;
249 } while ((ret == 0) && len);
250
251 return 0;
252}
253
254static u16 dib9000_i2c_read16(struct i2c_device *i2c, u16 reg)
255{
256 u8 b[2];
257 u8 wb[2] = { reg >> 8, reg & 0xff };
258 struct i2c_msg msg[2] = {
259 {.addr = i2c->i2c_addr >> 1, .flags = 0, .buf = wb, .len = 2},
260 {.addr = i2c->i2c_addr >> 1, .flags = I2C_M_RD, .buf = b, .len = 2},
261 };
262
263 if (i2c_transfer(i2c->i2c_adap, msg, 2) != 2) {
264 dprintk("read register %x error", reg);
265 return 0;
266 }
267
268 return (b[0] << 8) | b[1];
269}
270
271static inline u16 dib9000_read_word(struct dib9000_state *state, u16 reg)
272{
273 u8 b[2];
274 if (dib9000_read16_attr(state, reg, b, 2, 0) != 0)
275 return 0;
276 return (b[0] << 8 | b[1]);
277}
278
279static inline u16 dib9000_read_word_attr(struct dib9000_state *state, u16 reg, u16 attribute)
280{
281 u8 b[2];
282 if (dib9000_read16_attr(state, reg, b, 2, attribute) != 0)
283 return 0;
284 return (b[0] << 8 | b[1]);
285}
286
287#define dib9000_read16_noinc_attr(state, reg, b, len, attribute) dib9000_read16_attr(state, reg, b, len, (attribute) | DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
288
289static u16 dib9000_write16_attr(struct dib9000_state *state, u16 reg, const u8 * buf, u32 len, u16 attribute)
290{
291 u8 b[255];
292 u32 chunk_size = 126;
293 u32 l;
294 int ret;
295
296 struct i2c_msg msg = {
297 .addr = state->i2c.i2c_addr >> 1, .flags = 0, .buf = b, .len = len + 2
298 };
299
300 if (state->platform.risc.fw_is_running && (reg < 1024)) {
301 if (dib9000_risc_apb_access_write
302 (state, reg, DATA_BUS_ACCESS_MODE_16BIT | DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT | attribute, buf, len) != 0)
303 return -EINVAL;
304 return 0;
305 }
306
307 b[0] = (reg >> 8) & 0xff;
308 b[1] = (reg) & 0xff;
309
310 if (attribute & DATA_BUS_ACCESS_MODE_8BIT)
311 b[0] |= (1 << 5);
312 if (attribute & DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
313 b[0] |= (1 << 4);
314
315 do {
316 l = len < chunk_size ? len : chunk_size;
317 msg.len = l + 2;
318 memcpy(&b[2], buf, l);
319
320 ret = i2c_transfer(state->i2c.i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
321
322 buf += l;
323 len -= l;
324
325 if (!(attribute & DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT))
326 reg += l / 2;
327 } while ((ret == 0) && len);
328
329 return ret;
330}
331
332static int dib9000_i2c_write16(struct i2c_device *i2c, u16 reg, u16 val)
333{
334 u8 b[4] = { (reg >> 8) & 0xff, reg & 0xff, (val >> 8) & 0xff, val & 0xff };
335 struct i2c_msg msg = {
336 .addr = i2c->i2c_addr >> 1, .flags = 0, .buf = b, .len = 4
337 };
338
339 return i2c_transfer(i2c->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
340}
341
342static inline int dib9000_write_word(struct dib9000_state *state, u16 reg, u16 val)
343{
344 u8 b[2] = { val >> 8, val & 0xff };
345 return dib9000_write16_attr(state, reg, b, 2, 0);
346}
347
348static inline int dib9000_write_word_attr(struct dib9000_state *state, u16 reg, u16 val, u16 attribute)
349{
350 u8 b[2] = { val >> 8, val & 0xff };
351 return dib9000_write16_attr(state, reg, b, 2, attribute);
352}
353
354#define dib9000_write(state, reg, buf, len) dib9000_write16_attr(state, reg, buf, len, 0)
355#define dib9000_write16_noinc(state, reg, buf, len) dib9000_write16_attr(state, reg, buf, len, DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
356#define dib9000_write16_noinc_attr(state, reg, buf, len, attribute) dib9000_write16_attr(state, reg, buf, len, DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT | (attribute))
357
358#define dib9000_mbx_send(state, id, data, len) dib9000_mbx_send_attr(state, id, data, len, 0)
359#define dib9000_mbx_get_message(state, id, msg, len) dib9000_mbx_get_message_attr(state, id, msg, len, 0)
360
361#define MAC_IRQ (1 << 1)
362#define IRQ_POL_MSK (1 << 4)
363
364#define dib9000_risc_mem_read_chunks(state, b, len) dib9000_read16_attr(state, 1063, b, len, DATA_BUS_ACCESS_MODE_8BIT | DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
365#define dib9000_risc_mem_write_chunks(state, buf, len) dib9000_write16_attr(state, 1063, buf, len, DATA_BUS_ACCESS_MODE_8BIT | DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
366
367static void dib9000_risc_mem_setup_cmd(struct dib9000_state *state, u32 addr, u32 len, u8 reading)
368{
369 u8 b[14] = { 0 };
370
371/* dprintk("%d memcmd: %d %d %d\n", state->fe_id, addr, addr+len, len); */
372/* b[0] = 0 << 7; */
373 b[1] = 1;
374
375/* b[2] = 0; */
376/* b[3] = 0; */
377 b[4] = (u8) (addr >> 8);
378 b[5] = (u8) (addr & 0xff);
379
380/* b[10] = 0; */
381/* b[11] = 0; */
382 b[12] = (u8) (addr >> 8);
383 b[13] = (u8) (addr & 0xff);
384
385 addr += len;
386/* b[6] = 0; */
387/* b[7] = 0; */
388 b[8] = (u8) (addr >> 8);
389 b[9] = (u8) (addr & 0xff);
390
391 dib9000_write(state, 1056, b, 14);
392 if (reading)
393 dib9000_write_word(state, 1056, (1 << 15) | 1);
394 state->platform.risc.memcmd = -1; /* if it was called directly reset it - to force a future setup-call to set it */
395}
396
397static void dib9000_risc_mem_setup(struct dib9000_state *state, u8 cmd)
398{
399 struct dib9000_fe_memory_map *m = &state->platform.risc.fe_mm[cmd & 0x7f];
400 /* decide whether we need to "refresh" the memory controller */
401 if (state->platform.risc.memcmd == cmd && /* same command */
402 !(cmd & 0x80 && m->size < 67)) /* and we do not want to read something with less than 67 bytes looping - working around a bug in the memory controller */
403 return;
404 dib9000_risc_mem_setup_cmd(state, m->addr, m->size, cmd & 0x80);
405 state->platform.risc.memcmd = cmd;
406}
407
408static int dib9000_risc_mem_read(struct dib9000_state *state, u8 cmd, u8 * b, u16 len)
409{
410 if (!state->platform.risc.fw_is_running)
411 return -EIO;
412
413 DibAcquireLock(&state->platform.risc.mem_lock);
414 dib9000_risc_mem_setup(state, cmd | 0x80);
415 dib9000_risc_mem_read_chunks(state, b, len);
416 DibReleaseLock(&state->platform.risc.mem_lock);
417 return 0;
418}
419
420static int dib9000_risc_mem_write(struct dib9000_state *state, u8 cmd, const u8 * b)
421{
422 struct dib9000_fe_memory_map *m = &state->platform.risc.fe_mm[cmd];
423 if (!state->platform.risc.fw_is_running)
424 return -EIO;
425
426 DibAcquireLock(&state->platform.risc.mem_lock);
427 dib9000_risc_mem_setup(state, cmd);
428 dib9000_risc_mem_write_chunks(state, b, m->size);
429 DibReleaseLock(&state->platform.risc.mem_lock);
430 return 0;
431}
432
433static int dib9000_firmware_download(struct dib9000_state *state, u8 risc_id, u16 key, const u8 * code, u32 len)
434{
435 u16 offs;
436
437 if (risc_id == 1)
438 offs = 16;
439 else
440 offs = 0;
441
442 /* config crtl reg */
443 dib9000_write_word(state, 1024 + offs, 0x000f);
444 dib9000_write_word(state, 1025 + offs, 0);
445 dib9000_write_word(state, 1031 + offs, key);
446
447 dprintk("going to download %dB of microcode", len);
448 if (dib9000_write16_noinc(state, 1026 + offs, (u8 *) code, (u16) len) != 0) {
449 dprintk("error while downloading microcode for RISC %c", 'A' + risc_id);
450 return -EIO;
451 }
452
453 dprintk("Microcode for RISC %c loaded", 'A' + risc_id);
454
455 return 0;
456}
457
458static int dib9000_mbx_host_init(struct dib9000_state *state, u8 risc_id)
459{
460 u16 mbox_offs;
461 u16 reset_reg;
462 u16 tries = 1000;
463
464 if (risc_id == 1)
465 mbox_offs = 16;
466 else
467 mbox_offs = 0;
468
469 /* Reset mailbox */
470 dib9000_write_word(state, 1027 + mbox_offs, 0x8000);
471
472 /* Read reset status */
473 do {
474 reset_reg = dib9000_read_word(state, 1027 + mbox_offs);
475 msleep(100);
476 } while ((reset_reg & 0x8000) && --tries);
477
478 if (reset_reg & 0x8000) {
479 dprintk("MBX: init ERROR, no response from RISC %c", 'A' + risc_id);
480 return -EIO;
481 }
482 dprintk("MBX: initialized");
483 return 0;
484}
485
486#define MAX_MAILBOX_TRY 100
487static int dib9000_mbx_send_attr(struct dib9000_state *state, u8 id, u16 * data, u8 len, u16 attr)
488{
489 u8 *d, b[2];
490 u16 tmp;
491 u16 size;
492 u32 i;
493 int ret = 0;
494
495 if (!state->platform.risc.fw_is_running)
496 return -EINVAL;
497
498 DibAcquireLock(&state->platform.risc.mbx_if_lock);
499 tmp = MAX_MAILBOX_TRY;
500 do {
501 size = dib9000_read_word_attr(state, 1043, attr) & 0xff;
502 if ((size + len + 1) > MBX_MAX_WORDS && --tmp) {
503 dprintk("MBX: RISC mbx full, retrying");
504 msleep(100);
505 } else
506 break;
507 } while (1);
508
509 /*dprintk( "MBX: size: %d", size); */
510
511 if (tmp == 0) {
512 ret = -EINVAL;
513 goto out;
514 }
515#ifdef DUMP_MSG
516 dprintk("--> %02x %d ", id, len + 1);
517 for (i = 0; i < len; i++)
518 dprintk("%04x ", data[i]);
519 dprintk("\n");
520#endif
521
522 /* byte-order conversion - works on big (where it is not necessary) or little endian */
523 d = (u8 *) data;
524 for (i = 0; i < len; i++) {
525 tmp = data[i];
526 *d++ = tmp >> 8;
527 *d++ = tmp & 0xff;
528 }
529
530 /* write msg */
531 b[0] = id;
532 b[1] = len + 1;
533 if (dib9000_write16_noinc_attr(state, 1045, b, 2, attr) != 0 || dib9000_write16_noinc_attr(state, 1045, (u8 *) data, len * 2, attr) != 0) {
534 ret = -EIO;
535 goto out;
536 }
537
538 /* update register nb_mes_in_RX */
539 ret = (u8) dib9000_write_word_attr(state, 1043, 1 << 14, attr);
540
541out:
542 DibReleaseLock(&state->platform.risc.mbx_if_lock);
543
544 return ret;
545}
546
547static u8 dib9000_mbx_read(struct dib9000_state *state, u16 * data, u8 risc_id, u16 attr)
548{
549#ifdef DUMP_MSG
550 u16 *d = data;
551#endif
552
553 u16 tmp, i;
554 u8 size;
555 u8 mc_base;
556
557 if (!state->platform.risc.fw_is_running)
558 return 0;
559
560 DibAcquireLock(&state->platform.risc.mbx_if_lock);
561 if (risc_id == 1)
562 mc_base = 16;
563 else
564 mc_base = 0;
565
566 /* Length and type in the first word */
567 *data = dib9000_read_word_attr(state, 1029 + mc_base, attr);
568
569 size = *data & 0xff;
570 if (size <= MBX_MAX_WORDS) {
571 data++;
572 size--; /* Initial word already read */
573
574 dib9000_read16_noinc_attr(state, 1029 + mc_base, (u8 *) data, size * 2, attr);
575
576 /* to word conversion */
577 for (i = 0; i < size; i++) {
578 tmp = *data;
579 *data = (tmp >> 8) | (tmp << 8);
580 data++;
581 }
582
583#ifdef DUMP_MSG
584 dprintk("<-- ");
585 for (i = 0; i < size + 1; i++)
586 dprintk("%04x ", d[i]);
587 dprintk("\n");
588#endif
589 } else {
590 dprintk("MBX: message is too big for message cache (%d), flushing message", size);
591 size--; /* Initial word already read */
592 while (size--)
593 dib9000_read16_noinc_attr(state, 1029 + mc_base, (u8 *) data, 2, attr);
594 }
595 /* Update register nb_mes_in_TX */
596 dib9000_write_word_attr(state, 1028 + mc_base, 1 << 14, attr);
597
598 DibReleaseLock(&state->platform.risc.mbx_if_lock);
599
600 return size + 1;
601}
602
603static int dib9000_risc_debug_buf(struct dib9000_state *state, u16 * data, u8 size)
604{
605 u32 ts = data[1] << 16 | data[0];
606 char *b = (char *)&data[2];
607
608 b[2 * (size - 2) - 1] = '\0'; /* Bullet proof the buffer */
609 if (*b == '~') {
610 b++;
611 dprintk(b);
612 } else
613 dprintk("RISC%d: %d.%04d %s", state->fe_id, ts / 10000, ts % 10000, *b ? b : "<emtpy>");
614 return 1;
615}
616
617static int dib9000_mbx_fetch_to_cache(struct dib9000_state *state, u16 attr)
618{
619 int i;
620 u8 size;
621 u16 *block;
622 /* find a free slot */
623 for (i = 0; i < DIB9000_MSG_CACHE_SIZE; i++) {
624 block = state->platform.risc.message_cache[i];
625 if (*block == 0) {
626 size = dib9000_mbx_read(state, block, 1, attr);
627
628/* dprintk( "MBX: fetched %04x message to cache", *block); */
629
630 switch (*block >> 8) {
631 case IN_MSG_DEBUG_BUF:
632 dib9000_risc_debug_buf(state, block + 1, size); /* debug-messages are going to be printed right away */
633 *block = 0; /* free the block */
634 break;
635#if 0
636 case IN_MSG_DATA: /* FE-TRACE */
637 dib9000_risc_data_process(state, block + 1, size);
638 *block = 0;
639 break;
640#endif
641 default:
642 break;
643 }
644
645 return 1;
646 }
647 }
648 dprintk("MBX: no free cache-slot found for new message...");
649 return -1;
650}
651
652static u8 dib9000_mbx_count(struct dib9000_state *state, u8 risc_id, u16 attr)
653{
654 if (risc_id == 0)
655 return (u8) (dib9000_read_word_attr(state, 1028, attr) >> 10) & 0x1f; /* 5 bit field */
656 else
657 return (u8) (dib9000_read_word_attr(state, 1044, attr) >> 8) & 0x7f; /* 7 bit field */
658}
659
660static int dib9000_mbx_process(struct dib9000_state *state, u16 attr)
661{
662 int ret = 0;
663 u16 tmp;
664
665 if (!state->platform.risc.fw_is_running)
666 return -1;
667
668 DibAcquireLock(&state->platform.risc.mbx_lock);
669
670 if (dib9000_mbx_count(state, 1, attr)) /* 1=RiscB */
671 ret = dib9000_mbx_fetch_to_cache(state, attr);
672
673 tmp = dib9000_read_word_attr(state, 1229, attr); /* Clear the IRQ */
674/* if (tmp) */
675/* dprintk( "cleared IRQ: %x", tmp); */
676 DibReleaseLock(&state->platform.risc.mbx_lock);
677
678 return ret;
679}
680
681static int dib9000_mbx_get_message_attr(struct dib9000_state *state, u16 id, u16 * msg, u8 * size, u16 attr)
682{
683 u8 i;
684 u16 *block;
685 u16 timeout = 30;
686
687 *msg = 0;
688 do {
689 /* dib9000_mbx_get_from_cache(); */
690 for (i = 0; i < DIB9000_MSG_CACHE_SIZE; i++) {
691 block = state->platform.risc.message_cache[i];
692 if ((*block >> 8) == id) {
693 *size = (*block & 0xff) - 1;
694 memcpy(msg, block + 1, (*size) * 2);
695 *block = 0; /* free the block */
696 i = 0; /* signal that we found a message */
697 break;
698 }
699 }
700
701 if (i == 0)
702 break;
703
704 if (dib9000_mbx_process(state, attr) == -1) /* try to fetch one message - if any */
705 return -1;
706
707 } while (--timeout);
708
709 if (timeout == 0) {
710 dprintk("waiting for message %d timed out", id);
711 return -1;
712 }
713
714 return i == 0;
715}
716
717static int dib9000_risc_check_version(struct dib9000_state *state)
718{
719 u8 r[4];
720 u8 size;
721 u16 fw_version = 0;
722
723 if (dib9000_mbx_send(state, OUT_MSG_REQ_VERSION, &fw_version, 1) != 0)
724 return -EIO;
725
726 if (dib9000_mbx_get_message(state, IN_MSG_VERSION, (u16 *) r, &size) < 0)
727 return -EIO;
728
729 fw_version = (r[0] << 8) | r[1];
730 dprintk("RISC: ver: %d.%02d (IC: %d)", fw_version >> 10, fw_version & 0x3ff, (r[2] << 8) | r[3]);
731
732 if ((fw_version >> 10) != 7)
733 return -EINVAL;
734
735 switch (fw_version & 0x3ff) {
736 case 11:
737 case 12:
738 case 14:
739 case 15:
740 case 16:
741 case 17:
742 break;
743 default:
744 dprintk("RISC: invalid firmware version");
745 return -EINVAL;
746 }
747
748 dprintk("RISC: valid firmware version");
749 return 0;
750}
751
752static int dib9000_fw_boot(struct dib9000_state *state, const u8 * codeA, u32 lenA, const u8 * codeB, u32 lenB)
753{
754 /* Reconfig pool mac ram */
755 dib9000_write_word(state, 1225, 0x02); /* A: 8k C, 4 k D - B: 32k C 6 k D - IRAM 96k */
756 dib9000_write_word(state, 1226, 0x05);
757
758 /* Toggles IP crypto to Host APB interface. */
759 dib9000_write_word(state, 1542, 1);
760
761 /* Set jump and no jump in the dma box */
762 dib9000_write_word(state, 1074, 0);
763 dib9000_write_word(state, 1075, 0);
764
765 /* Set MAC as APB Master. */
766 dib9000_write_word(state, 1237, 0);
767
768 /* Reset the RISCs */
769 if (codeA != NULL)
770 dib9000_write_word(state, 1024, 2);
771 else
772 dib9000_write_word(state, 1024, 15);
773 if (codeB != NULL)
774 dib9000_write_word(state, 1040, 2);
775
776 if (codeA != NULL)
777 dib9000_firmware_download(state, 0, 0x1234, codeA, lenA);
778 if (codeB != NULL)
779 dib9000_firmware_download(state, 1, 0x1234, codeB, lenB);
780
781 /* Run the RISCs */
782 if (codeA != NULL)
783 dib9000_write_word(state, 1024, 0);
784 if (codeB != NULL)
785 dib9000_write_word(state, 1040, 0);
786
787 if (codeA != NULL)
788 if (dib9000_mbx_host_init(state, 0) != 0)
789 return -EIO;
790 if (codeB != NULL)
791 if (dib9000_mbx_host_init(state, 1) != 0)
792 return -EIO;
793
794 msleep(100);
795 state->platform.risc.fw_is_running = 1;
796
797 if (dib9000_risc_check_version(state) != 0)
798 return -EINVAL;
799
800 state->platform.risc.memcmd = 0xff;
801 return 0;
802}
803
804static u16 dib9000_identify(struct i2c_device *client)
805{
806 u16 value;
807
808 value = dib9000_i2c_read16(client, 896);
809 if (value != 0x01b3) {
810 dprintk("wrong Vendor ID (0x%x)", value);
811 return 0;
812 }
813
814 value = dib9000_i2c_read16(client, 897);
815 if (value != 0x4000 && value != 0x4001 && value != 0x4002 && value != 0x4003 && value != 0x4004 && value != 0x4005) {
816 dprintk("wrong Device ID (0x%x)", value);
817 return 0;
818 }
819
820 /* protect this driver to be used with 7000PC */
821 if (value == 0x4000 && dib9000_i2c_read16(client, 769) == 0x4000) {
822 dprintk("this driver does not work with DiB7000PC");
823 return 0;
824 }
825
826 switch (value) {
827 case 0x4000:
828 dprintk("found DiB7000MA/PA/MB/PB");
829 break;
830 case 0x4001:
831 dprintk("found DiB7000HC");
832 break;
833 case 0x4002:
834 dprintk("found DiB7000MC");
835 break;
836 case 0x4003:
837 dprintk("found DiB9000A");
838 break;
839 case 0x4004:
840 dprintk("found DiB9000H");
841 break;
842 case 0x4005:
843 dprintk("found DiB9000M");
844 break;
845 }
846
847 return value;
848}
849
850static void dib9000_set_power_mode(struct dib9000_state *state, enum dib9000_power_mode mode)
851{
852 /* by default everything is going to be powered off */
853 u16 reg_903 = 0x3fff, reg_904 = 0xffff, reg_905 = 0xffff, reg_906;
854 u8 offset;
855
856 if (state->revision == 0x4003 || state->revision == 0x4004 || state->revision == 0x4005)
857 offset = 1;
858 else
859 offset = 0;
860
861 reg_906 = dib9000_read_word(state, 906 + offset) | 0x3; /* keep settings for RISC */
862
863 /* now, depending on the requested mode, we power on */
864 switch (mode) {
865 /* power up everything in the demod */
866 case DIB9000_POWER_ALL:
867 reg_903 = 0x0000;
868 reg_904 = 0x0000;
869 reg_905 = 0x0000;
870 reg_906 = 0x0000;
871 break;
872
873 /* just leave power on the control-interfaces: GPIO and (I2C or SDIO or SRAM) */
874 case DIB9000_POWER_INTERFACE_ONLY: /* TODO power up either SDIO or I2C or SRAM */
875 reg_905 &= ~((1 << 7) | (1 << 6) | (1 << 5) | (1 << 2));
876 break;
877
878 case DIB9000_POWER_INTERF_ANALOG_AGC:
879 reg_903 &= ~((1 << 15) | (1 << 14) | (1 << 11) | (1 << 10));
880 reg_905 &= ~((1 << 7) | (1 << 6) | (1 << 5) | (1 << 4) | (1 << 2));
881 reg_906 &= ~((1 << 0));
882 break;
883
884 case DIB9000_POWER_COR4_DINTLV_ICIRM_EQUAL_CFROD:
885 reg_903 = 0x0000;
886 reg_904 = 0x801f;
887 reg_905 = 0x0000;
888 reg_906 &= ~((1 << 0));
889 break;
890
891 case DIB9000_POWER_COR4_CRY_ESRAM_MOUT_NUD:
892 reg_903 = 0x0000;
893 reg_904 = 0x8000;
894 reg_905 = 0x010b;
895 reg_906 &= ~((1 << 0));
896 break;
897 default:
898 case DIB9000_POWER_NO:
899 break;
900 }
901
902 /* always power down unused parts */
903 if (!state->platform.host.mobile_mode)
904 reg_904 |= (1 << 7) | (1 << 6) | (1 << 4) | (1 << 2) | (1 << 1);
905
906 /* P_sdio_select_clk = 0 on MC and after */
907 if (state->revision != 0x4000)
908 reg_906 <<= 1;
909
910 dib9000_write_word(state, 903 + offset, reg_903);
911 dib9000_write_word(state, 904 + offset, reg_904);
912 dib9000_write_word(state, 905 + offset, reg_905);
913 dib9000_write_word(state, 906 + offset, reg_906);
914}
915
916static int dib9000_fw_reset(struct dvb_frontend *fe)
917{
918 struct dib9000_state *state = fe->demodulator_priv;
919
920 dib9000_write_word(state, 1817, 0x0003);
921
922 dib9000_write_word(state, 1227, 1);
923 dib9000_write_word(state, 1227, 0);
924
925 switch ((state->revision = dib9000_identify(&state->i2c))) {
926 case 0x4003:
927 case 0x4004:
928 case 0x4005:
929 state->reg_offs = 1;
930 break;
931 default:
932 return -EINVAL;
933 }
934
935 /* reset the i2c-master to use the host interface */
936 dibx000_reset_i2c_master(&state->i2c_master);
937
938 dib9000_set_power_mode(state, DIB9000_POWER_ALL);
939
940 /* unforce divstr regardless whether i2c enumeration was done or not */
941 dib9000_write_word(state, 1794, dib9000_read_word(state, 1794) & ~(1 << 1));
942 dib9000_write_word(state, 1796, 0);
943 dib9000_write_word(state, 1805, 0x805);
944
945 /* restart all parts */
946 dib9000_write_word(state, 898, 0xffff);
947 dib9000_write_word(state, 899, 0xffff);
948 dib9000_write_word(state, 900, 0x0001);
949 dib9000_write_word(state, 901, 0xff19);
950 dib9000_write_word(state, 902, 0x003c);
951
952 dib9000_write_word(state, 898, 0);
953 dib9000_write_word(state, 899, 0);
954 dib9000_write_word(state, 900, 0);
955 dib9000_write_word(state, 901, 0);
956 dib9000_write_word(state, 902, 0);
957
958 dib9000_write_word(state, 911, state->chip.d9.cfg.if_drives);
959
960 dib9000_set_power_mode(state, DIB9000_POWER_INTERFACE_ONLY);
961
962 return 0;
963}
964
965static int dib9000_risc_apb_access_read(struct dib9000_state *state, u32 address, u16 attribute, const u8 * tx, u32 txlen, u8 * b, u32 len)
966{
967 u16 mb[10];
968 u8 i, s;
969
970 if (address >= 1024 || !state->platform.risc.fw_is_running)
971 return -EINVAL;
972
973 /* dprintk( "APB access thru rd fw %d %x", address, attribute); */
974
975 mb[0] = (u16) address;
976 mb[1] = len / 2;
977 dib9000_mbx_send_attr(state, OUT_MSG_BRIDGE_APB_R, mb, 2, attribute);
978 switch (dib9000_mbx_get_message_attr(state, IN_MSG_END_BRIDGE_APB_RW, mb, &s, attribute)) {
979 case 1:
980 s--;
981 for (i = 0; i < s; i++) {
982 b[i * 2] = (mb[i + 1] >> 8) & 0xff;
983 b[i * 2 + 1] = (mb[i + 1]) & 0xff;
984 }
985 return 0;
986 default:
987 return -EIO;
988 }
989 return -EIO;
990}
991
992static int dib9000_risc_apb_access_write(struct dib9000_state *state, u32 address, u16 attribute, const u8 * b, u32 len)
993{
994 u16 mb[10];
995 u8 s, i;
996
997 if (address >= 1024 || !state->platform.risc.fw_is_running)
998 return -EINVAL;
999
1000 /* dprintk( "APB access thru wr fw %d %x", address, attribute); */
1001
1002 mb[0] = (unsigned short)address;
1003 for (i = 0; i < len && i < 20; i += 2)
1004 mb[1 + (i / 2)] = (b[i] << 8 | b[i + 1]);
1005
1006 dib9000_mbx_send_attr(state, OUT_MSG_BRIDGE_APB_W, mb, 1 + len / 2, attribute);
1007 return dib9000_mbx_get_message_attr(state, IN_MSG_END_BRIDGE_APB_RW, mb, &s, attribute) == 1 ? 0 : -EINVAL;
1008}
1009
1010static int dib9000_fw_memmbx_sync(struct dib9000_state *state, u8 i)
1011{
1012 u8 index_loop = 10;
1013
1014 if (!state->platform.risc.fw_is_running)
1015 return 0;
1016 dib9000_risc_mem_write(state, FE_MM_RW_SYNC, &i);
1017 do {
1018 dib9000_risc_mem_read(state, FE_MM_RW_SYNC, &i, 1);
1019 } while (i && index_loop--);
1020
1021 if (index_loop > 0)
1022 return 0;
1023 return -EIO;
1024}
1025
1026static int dib9000_fw_init(struct dib9000_state *state)
1027{
1028 struct dibGPIOFunction *f;
1029 u16 b[40] = { 0 };
1030 u8 i;
1031 u8 size;
1032
1033 if (dib9000_fw_boot(state, NULL, 0, state->chip.d9.cfg.microcode_B_fe_buffer, state->chip.d9.cfg.microcode_B_fe_size) != 0)
1034 return -EIO;
1035
1036 /* initialize the firmware */
1037 for (i = 0; i < ARRAY_SIZE(state->chip.d9.cfg.gpio_function); i++) {
1038 f = &state->chip.d9.cfg.gpio_function[i];
1039 if (f->mask) {
1040 switch (f->function) {
1041 case BOARD_GPIO_FUNCTION_COMPONENT_ON:
1042 b[0] = (u16) f->mask;
1043 b[1] = (u16) f->direction;
1044 b[2] = (u16) f->value;
1045 break;
1046 case BOARD_GPIO_FUNCTION_COMPONENT_OFF:
1047 b[3] = (u16) f->mask;
1048 b[4] = (u16) f->direction;
1049 b[5] = (u16) f->value;
1050 break;
1051 }
1052 }
1053 }
1054 if (dib9000_mbx_send(state, OUT_MSG_CONF_GPIO, b, 15) != 0)
1055 return -EIO;
1056
1057 /* subband */
1058 b[0] = state->chip.d9.cfg.subband.size; /* type == 0 -> GPIO - PWM not yet supported */
1059 for (i = 0; i < state->chip.d9.cfg.subband.size; i++) {
1060 b[1 + i * 4] = state->chip.d9.cfg.subband.subband[i].f_mhz;
1061 b[2 + i * 4] = (u16) state->chip.d9.cfg.subband.subband[i].gpio.mask;
1062 b[3 + i * 4] = (u16) state->chip.d9.cfg.subband.subband[i].gpio.direction;
1063 b[4 + i * 4] = (u16) state->chip.d9.cfg.subband.subband[i].gpio.value;
1064 }
1065 b[1 + i * 4] = 0; /* fe_id */
1066 if (dib9000_mbx_send(state, OUT_MSG_SUBBAND_SEL, b, 2 + 4 * i) != 0)
1067 return -EIO;
1068
1069 /* 0 - id, 1 - no_of_frontends */
1070 b[0] = (0 << 8) | 1;
1071 /* 0 = i2c-address demod, 0 = tuner */
1072 b[1] = (0 << 8) | (0);
1073 b[2] = (u16) (((state->chip.d9.cfg.xtal_clock_khz * 1000) >> 16) & 0xffff);
1074 b[3] = (u16) (((state->chip.d9.cfg.xtal_clock_khz * 1000)) & 0xffff);
1075 b[4] = (u16) ((state->chip.d9.cfg.vcxo_timer >> 16) & 0xffff);
1076 b[5] = (u16) ((state->chip.d9.cfg.vcxo_timer) & 0xffff);
1077 b[6] = (u16) ((state->chip.d9.cfg.timing_frequency >> 16) & 0xffff);
1078 b[7] = (u16) ((state->chip.d9.cfg.timing_frequency) & 0xffff);
1079 b[29] = state->chip.d9.cfg.if_drives;
1080 if (dib9000_mbx_send(state, OUT_MSG_INIT_DEMOD, b, ARRAY_SIZE(b)) != 0)
1081 return -EIO;
1082
1083 if (dib9000_mbx_send(state, OUT_MSG_FE_FW_DL, NULL, 0) != 0)
1084 return -EIO;
1085
1086 if (dib9000_mbx_get_message(state, IN_MSG_FE_FW_DL_DONE, b, &size) < 0)
1087 return -EIO;
1088
1089 if (size > ARRAY_SIZE(b)) {
1090 dprintk("error : firmware returned %dbytes needed but the used buffer has only %dbytes\n Firmware init ABORTED", size,
1091 (int)ARRAY_SIZE(b));
1092 return -EINVAL;
1093 }
1094
1095 for (i = 0; i < size; i += 2) {
1096 state->platform.risc.fe_mm[i / 2].addr = b[i + 0];
1097 state->platform.risc.fe_mm[i / 2].size = b[i + 1];
1098 }
1099
1100 return 0;
1101}
1102
1103static void dib9000_fw_set_channel_head(struct dib9000_state *state, struct dvb_frontend_parameters *ch)
1104{
1105 u8 b[9];
1106 u32 freq = state->fe[0]->dtv_property_cache.frequency / 1000;
1107 if (state->fe_id % 2)
1108 freq += 101;
1109
1110 b[0] = (u8) ((freq >> 0) & 0xff);
1111 b[1] = (u8) ((freq >> 8) & 0xff);
1112 b[2] = (u8) ((freq >> 16) & 0xff);
1113 b[3] = (u8) ((freq >> 24) & 0xff);
1114 b[4] = (u8) ((state->fe[0]->dtv_property_cache.bandwidth_hz / 1000 >> 0) & 0xff);
1115 b[5] = (u8) ((state->fe[0]->dtv_property_cache.bandwidth_hz / 1000 >> 8) & 0xff);
1116 b[6] = (u8) ((state->fe[0]->dtv_property_cache.bandwidth_hz / 1000 >> 16) & 0xff);
1117 b[7] = (u8) ((state->fe[0]->dtv_property_cache.bandwidth_hz / 1000 >> 24) & 0xff);
1118 b[8] = 0x80; /* do not wait for CELL ID when doing autosearch */
1119 if (state->fe[0]->dtv_property_cache.delivery_system == SYS_DVBT)
1120 b[8] |= 1;
1121 dib9000_risc_mem_write(state, FE_MM_W_CHANNEL_HEAD, b);
1122}
1123
1124static int dib9000_fw_get_channel(struct dvb_frontend *fe, struct dvb_frontend_parameters *channel)
1125{
1126 struct dib9000_state *state = fe->demodulator_priv;
1127 struct dibDVBTChannel {
1128 s8 spectrum_inversion;
1129
1130 s8 nfft;
1131 s8 guard;
1132 s8 constellation;
1133
1134 s8 hrch;
1135 s8 alpha;
1136 s8 code_rate_hp;
1137 s8 code_rate_lp;
1138 s8 select_hp;
1139
1140 s8 intlv_native;
1141 };
1142 struct dibDVBTChannel ch;
1143 int ret = 0;
1144
1145 DibAcquireLock(&state->platform.risc.mem_mbx_lock);
1146 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
1147 goto error;
1148 ret = -EIO;
1149 }
1150
1151 dib9000_risc_mem_read(state, FE_MM_R_CHANNEL_UNION, (u8 *) &ch, sizeof(struct dibDVBTChannel));
1152
1153 switch (ch.spectrum_inversion & 0x7) {
1154 case 1:
1155 state->fe[0]->dtv_property_cache.inversion = INVERSION_ON;
1156 break;
1157 case 0:
1158 state->fe[0]->dtv_property_cache.inversion = INVERSION_OFF;
1159 break;
1160 default:
1161 case -1:
1162 state->fe[0]->dtv_property_cache.inversion = INVERSION_AUTO;
1163 break;
1164 }
1165 switch (ch.nfft) {
1166 case 0:
1167 state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_2K;
1168 break;
1169 case 2:
1170 state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_4K;
1171 break;
1172 case 1:
1173 state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
1174 break;
1175 default:
1176 case -1:
1177 state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_AUTO;
1178 break;
1179 }
1180 switch (ch.guard) {
1181 case 0:
1182 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_32;
1183 break;
1184 case 1:
1185 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_16;
1186 break;
1187 case 2:
1188 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8;
1189 break;
1190 case 3:
1191 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_4;
1192 break;
1193 default:
1194 case -1:
1195 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_AUTO;
1196 break;
1197 }
1198 switch (ch.constellation) {
1199 case 2:
1200 state->fe[0]->dtv_property_cache.modulation = QAM_64;
1201 break;
1202 case 1:
1203 state->fe[0]->dtv_property_cache.modulation = QAM_16;
1204 break;
1205 case 0:
1206 state->fe[0]->dtv_property_cache.modulation = QPSK;
1207 break;
1208 default:
1209 case -1:
1210 state->fe[0]->dtv_property_cache.modulation = QAM_AUTO;
1211 break;
1212 }
1213 switch (ch.hrch) {
1214 case 0:
1215 state->fe[0]->dtv_property_cache.hierarchy = HIERARCHY_NONE;
1216 break;
1217 case 1:
1218 state->fe[0]->dtv_property_cache.hierarchy = HIERARCHY_1;
1219 break;
1220 default:
1221 case -1:
1222 state->fe[0]->dtv_property_cache.hierarchy = HIERARCHY_AUTO;
1223 break;
1224 }
1225 switch (ch.code_rate_hp) {
1226 case 1:
1227 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_1_2;
1228 break;
1229 case 2:
1230 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_2_3;
1231 break;
1232 case 3:
1233 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_3_4;
1234 break;
1235 case 5:
1236 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_5_6;
1237 break;
1238 case 7:
1239 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_7_8;
1240 break;
1241 default:
1242 case -1:
1243 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_AUTO;
1244 break;
1245 }
1246 switch (ch.code_rate_lp) {
1247 case 1:
1248 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_1_2;
1249 break;
1250 case 2:
1251 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_2_3;
1252 break;
1253 case 3:
1254 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_3_4;
1255 break;
1256 case 5:
1257 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_5_6;
1258 break;
1259 case 7:
1260 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_7_8;
1261 break;
1262 default:
1263 case -1:
1264 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_AUTO;
1265 break;
1266 }
1267
1268error:
1269 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
1270 return ret;
1271}
1272
1273static int dib9000_fw_set_channel_union(struct dvb_frontend *fe, struct dvb_frontend_parameters *channel)
1274{
1275 struct dib9000_state *state = fe->demodulator_priv;
1276 struct dibDVBTChannel {
1277 s8 spectrum_inversion;
1278
1279 s8 nfft;
1280 s8 guard;
1281 s8 constellation;
1282
1283 s8 hrch;
1284 s8 alpha;
1285 s8 code_rate_hp;
1286 s8 code_rate_lp;
1287 s8 select_hp;
1288
1289 s8 intlv_native;
1290 };
1291 struct dibDVBTChannel ch;
1292
1293 switch (state->fe[0]->dtv_property_cache.inversion) {
1294 case INVERSION_ON:
1295 ch.spectrum_inversion = 1;
1296 break;
1297 case INVERSION_OFF:
1298 ch.spectrum_inversion = 0;
1299 break;
1300 default:
1301 case INVERSION_AUTO:
1302 ch.spectrum_inversion = -1;
1303 break;
1304 }
1305 switch (state->fe[0]->dtv_property_cache.transmission_mode) {
1306 case TRANSMISSION_MODE_2K:
1307 ch.nfft = 0;
1308 break;
1309 case TRANSMISSION_MODE_4K:
1310 ch.nfft = 2;
1311 break;
1312 case TRANSMISSION_MODE_8K:
1313 ch.nfft = 1;
1314 break;
1315 default:
1316 case TRANSMISSION_MODE_AUTO:
1317 ch.nfft = 1;
1318 break;
1319 }
1320 switch (state->fe[0]->dtv_property_cache.guard_interval) {
1321 case GUARD_INTERVAL_1_32:
1322 ch.guard = 0;
1323 break;
1324 case GUARD_INTERVAL_1_16:
1325 ch.guard = 1;
1326 break;
1327 case GUARD_INTERVAL_1_8:
1328 ch.guard = 2;
1329 break;
1330 case GUARD_INTERVAL_1_4:
1331 ch.guard = 3;
1332 break;
1333 default:
1334 case GUARD_INTERVAL_AUTO:
1335 ch.guard = -1;
1336 break;
1337 }
1338 switch (state->fe[0]->dtv_property_cache.modulation) {
1339 case QAM_64:
1340 ch.constellation = 2;
1341 break;
1342 case QAM_16:
1343 ch.constellation = 1;
1344 break;
1345 case QPSK:
1346 ch.constellation = 0;
1347 break;
1348 default:
1349 case QAM_AUTO:
1350 ch.constellation = -1;
1351 break;
1352 }
1353 switch (state->fe[0]->dtv_property_cache.hierarchy) {
1354 case HIERARCHY_NONE:
1355 ch.hrch = 0;
1356 break;
1357 case HIERARCHY_1:
1358 case HIERARCHY_2:
1359 case HIERARCHY_4:
1360 ch.hrch = 1;
1361 break;
1362 default:
1363 case HIERARCHY_AUTO:
1364 ch.hrch = -1;
1365 break;
1366 }
1367 ch.alpha = 1;
1368 switch (state->fe[0]->dtv_property_cache.code_rate_HP) {
1369 case FEC_1_2:
1370 ch.code_rate_hp = 1;
1371 break;
1372 case FEC_2_3:
1373 ch.code_rate_hp = 2;
1374 break;
1375 case FEC_3_4:
1376 ch.code_rate_hp = 3;
1377 break;
1378 case FEC_5_6:
1379 ch.code_rate_hp = 5;
1380 break;
1381 case FEC_7_8:
1382 ch.code_rate_hp = 7;
1383 break;
1384 default:
1385 case FEC_AUTO:
1386 ch.code_rate_hp = -1;
1387 break;
1388 }
1389 switch (state->fe[0]->dtv_property_cache.code_rate_LP) {
1390 case FEC_1_2:
1391 ch.code_rate_lp = 1;
1392 break;
1393 case FEC_2_3:
1394 ch.code_rate_lp = 2;
1395 break;
1396 case FEC_3_4:
1397 ch.code_rate_lp = 3;
1398 break;
1399 case FEC_5_6:
1400 ch.code_rate_lp = 5;
1401 break;
1402 case FEC_7_8:
1403 ch.code_rate_lp = 7;
1404 break;
1405 default:
1406 case FEC_AUTO:
1407 ch.code_rate_lp = -1;
1408 break;
1409 }
1410 ch.select_hp = 1;
1411 ch.intlv_native = 1;
1412
1413 dib9000_risc_mem_write(state, FE_MM_W_CHANNEL_UNION, (u8 *) &ch);
1414
1415 return 0;
1416}
1417
1418static int dib9000_fw_tune(struct dvb_frontend *fe, struct dvb_frontend_parameters *ch)
1419{
1420 struct dib9000_state *state = fe->demodulator_priv;
1421 int ret = 10, search = state->channel_status.status == CHANNEL_STATUS_PARAMETERS_UNKNOWN;
1422 s8 i;
1423
1424 switch (state->tune_state) {
1425 case CT_DEMOD_START:
1426 dib9000_fw_set_channel_head(state, ch);
1427
1428 /* write the channel context - a channel is initialized to 0, so it is OK */
1429 dib9000_risc_mem_write(state, FE_MM_W_CHANNEL_CONTEXT, (u8 *) fe_info);
1430 dib9000_risc_mem_write(state, FE_MM_W_FE_INFO, (u8 *) fe_info);
1431
1432 if (search)
1433 dib9000_mbx_send(state, OUT_MSG_FE_CHANNEL_SEARCH, NULL, 0);
1434 else {
1435 dib9000_fw_set_channel_union(fe, ch);
1436 dib9000_mbx_send(state, OUT_MSG_FE_CHANNEL_TUNE, NULL, 0);
1437 }
1438 state->tune_state = CT_DEMOD_STEP_1;
1439 break;
1440 case CT_DEMOD_STEP_1:
1441 if (search)
1442 dib9000_risc_mem_read(state, FE_MM_R_CHANNEL_SEARCH_STATE, (u8 *) &i, 1);
1443 else
1444 dib9000_risc_mem_read(state, FE_MM_R_CHANNEL_TUNE_STATE, (u8 *) &i, 1);
1445 switch (i) { /* something happened */
1446 case 0:
1447 break;
1448 case -2: /* tps locks are "slower" than MPEG locks -> even in autosearch data is OK here */
1449 if (search)
1450 state->status = FE_STATUS_DEMOD_SUCCESS;
1451 else {
1452 state->tune_state = CT_DEMOD_STOP;
1453 state->status = FE_STATUS_LOCKED;
1454 }
1455 break;
1456 default:
1457 state->status = FE_STATUS_TUNE_FAILED;
1458 state->tune_state = CT_DEMOD_STOP;
1459 break;
1460 }
1461 break;
1462 default:
1463 ret = FE_CALLBACK_TIME_NEVER;
1464 break;
1465 }
1466
1467 return ret;
1468}
1469
1470static int dib9000_fw_set_diversity_in(struct dvb_frontend *fe, int onoff)
1471{
1472 struct dib9000_state *state = fe->demodulator_priv;
1473 u16 mode = (u16) onoff;
1474 return dib9000_mbx_send(state, OUT_MSG_ENABLE_DIVERSITY, &mode, 1);
1475}
1476
1477static int dib9000_fw_set_output_mode(struct dvb_frontend *fe, int mode)
1478{
1479 struct dib9000_state *state = fe->demodulator_priv;
1480 u16 outreg, smo_mode;
1481
1482 dprintk("setting output mode for demod %p to %d", fe, mode);
1483
1484 switch (mode) {
1485 case OUTMODE_MPEG2_PAR_GATED_CLK:
1486 outreg = (1 << 10); /* 0x0400 */
1487 break;
1488 case OUTMODE_MPEG2_PAR_CONT_CLK:
1489 outreg = (1 << 10) | (1 << 6); /* 0x0440 */
1490 break;
1491 case OUTMODE_MPEG2_SERIAL:
1492 outreg = (1 << 10) | (2 << 6) | (0 << 1); /* 0x0482 */
1493 break;
1494 case OUTMODE_DIVERSITY:
1495 outreg = (1 << 10) | (4 << 6); /* 0x0500 */
1496 break;
1497 case OUTMODE_MPEG2_FIFO:
1498 outreg = (1 << 10) | (5 << 6);
1499 break;
1500 case OUTMODE_HIGH_Z:
1501 outreg = 0;
1502 break;
1503 default:
1504 dprintk("Unhandled output_mode passed to be set for demod %p", &state->fe[0]);
1505 return -EINVAL;
1506 }
1507
1508 dib9000_write_word(state, 1795, outreg);
1509
1510 switch (mode) {
1511 case OUTMODE_MPEG2_PAR_GATED_CLK:
1512 case OUTMODE_MPEG2_PAR_CONT_CLK:
1513 case OUTMODE_MPEG2_SERIAL:
1514 case OUTMODE_MPEG2_FIFO:
1515 smo_mode = (dib9000_read_word(state, 295) & 0x0010) | (1 << 1);
1516 if (state->chip.d9.cfg.output_mpeg2_in_188_bytes)
1517 smo_mode |= (1 << 5);
1518 dib9000_write_word(state, 295, smo_mode);
1519 break;
1520 }
1521
1522 outreg = to_fw_output_mode(mode);
1523 return dib9000_mbx_send(state, OUT_MSG_SET_OUTPUT_MODE, &outreg, 1);
1524}
1525
1526static int dib9000_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
1527{
1528 struct dib9000_state *state = i2c_get_adapdata(i2c_adap);
1529 u16 i, len, t, index_msg;
1530
1531 for (index_msg = 0; index_msg < num; index_msg++) {
1532 if (msg[index_msg].flags & I2C_M_RD) { /* read */
1533 len = msg[index_msg].len;
1534 if (len > 16)
1535 len = 16;
1536
1537 if (dib9000_read_word(state, 790) != 0)
1538 dprintk("TunerITF: read busy");
1539
1540 dib9000_write_word(state, 784, (u16) (msg[index_msg].addr));
1541 dib9000_write_word(state, 787, (len / 2) - 1);
1542 dib9000_write_word(state, 786, 1); /* start read */
1543
1544 i = 1000;
1545 while (dib9000_read_word(state, 790) != (len / 2) && i)
1546 i--;
1547
1548 if (i == 0)
1549 dprintk("TunerITF: read failed");
1550
1551 for (i = 0; i < len; i += 2) {
1552 t = dib9000_read_word(state, 785);
1553 msg[index_msg].buf[i] = (t >> 8) & 0xff;
1554 msg[index_msg].buf[i + 1] = (t) & 0xff;
1555 }
1556 if (dib9000_read_word(state, 790) != 0)
1557 dprintk("TunerITF: read more data than expected");
1558 } else {
1559 i = 1000;
1560 while (dib9000_read_word(state, 789) && i)
1561 i--;
1562 if (i == 0)
1563 dprintk("TunerITF: write busy");
1564
1565 len = msg[index_msg].len;
1566 if (len > 16)
1567 len = 16;
1568
1569 for (i = 0; i < len; i += 2)
1570 dib9000_write_word(state, 785, (msg[index_msg].buf[i] << 8) | msg[index_msg].buf[i + 1]);
1571 dib9000_write_word(state, 784, (u16) msg[index_msg].addr);
1572 dib9000_write_word(state, 787, (len / 2) - 1);
1573 dib9000_write_word(state, 786, 0); /* start write */
1574
1575 i = 1000;
1576 while (dib9000_read_word(state, 791) > 0 && i)
1577 i--;
1578 if (i == 0)
1579 dprintk("TunerITF: write failed");
1580 }
1581 }
1582 return num;
1583}
1584
1585int dib9000_fw_set_component_bus_speed(struct dvb_frontend *fe, u16 speed)
1586{
1587 struct dib9000_state *state = fe->demodulator_priv;
1588
1589 state->component_bus_speed = speed;
1590 return 0;
1591}
1592EXPORT_SYMBOL(dib9000_fw_set_component_bus_speed);
1593
1594static int dib9000_fw_component_bus_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
1595{
1596 struct dib9000_state *state = i2c_get_adapdata(i2c_adap);
1597 u8 type = 0; /* I2C */
1598 u8 port = DIBX000_I2C_INTERFACE_GPIO_3_4;
1599 u16 scl = state->component_bus_speed; /* SCL frequency */
1600 struct dib9000_fe_memory_map *m = &state->platform.risc.fe_mm[FE_MM_RW_COMPONENT_ACCESS_BUFFER];
1601 u8 p[13] = { 0 };
1602
1603 p[0] = type;
1604 p[1] = port;
1605 p[2] = msg[0].addr << 1;
1606
1607 p[3] = (u8) scl & 0xff; /* scl */
1608 p[4] = (u8) (scl >> 8);
1609
1610 p[7] = 0;
1611 p[8] = 0;
1612
1613 p[9] = (u8) (msg[0].len);
1614 p[10] = (u8) (msg[0].len >> 8);
1615 if ((num > 1) && (msg[1].flags & I2C_M_RD)) {
1616 p[11] = (u8) (msg[1].len);
1617 p[12] = (u8) (msg[1].len >> 8);
1618 } else {
1619 p[11] = 0;
1620 p[12] = 0;
1621 }
1622
1623 DibAcquireLock(&state->platform.risc.mem_mbx_lock);
1624
1625 dib9000_risc_mem_write(state, FE_MM_W_COMPONENT_ACCESS, p);
1626
1627 { /* write-part */
1628 dib9000_risc_mem_setup_cmd(state, m->addr, msg[0].len, 0);
1629 dib9000_risc_mem_write_chunks(state, msg[0].buf, msg[0].len);
1630 }
1631
1632 /* do the transaction */
1633 if (dib9000_fw_memmbx_sync(state, FE_SYNC_COMPONENT_ACCESS) < 0) {
1634 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
1635 return 0;
1636 }
1637
1638 /* read back any possible result */
1639 if ((num > 1) && (msg[1].flags & I2C_M_RD))
1640 dib9000_risc_mem_read(state, FE_MM_RW_COMPONENT_ACCESS_BUFFER, msg[1].buf, msg[1].len);
1641
1642 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
1643
1644 return num;
1645}
1646
1647static u32 dib9000_i2c_func(struct i2c_adapter *adapter)
1648{
1649 return I2C_FUNC_I2C;
1650}
1651
1652static struct i2c_algorithm dib9000_tuner_algo = {
1653 .master_xfer = dib9000_tuner_xfer,
1654 .functionality = dib9000_i2c_func,
1655};
1656
1657static struct i2c_algorithm dib9000_component_bus_algo = {
1658 .master_xfer = dib9000_fw_component_bus_xfer,
1659 .functionality = dib9000_i2c_func,
1660};
1661
1662struct i2c_adapter *dib9000_get_tuner_interface(struct dvb_frontend *fe)
1663{
1664 struct dib9000_state *st = fe->demodulator_priv;
1665 return &st->tuner_adap;
1666}
1667EXPORT_SYMBOL(dib9000_get_tuner_interface);
1668
1669struct i2c_adapter *dib9000_get_component_bus_interface(struct dvb_frontend *fe)
1670{
1671 struct dib9000_state *st = fe->demodulator_priv;
1672 return &st->component_bus;
1673}
1674EXPORT_SYMBOL(dib9000_get_component_bus_interface);
1675
1676struct i2c_adapter *dib9000_get_i2c_master(struct dvb_frontend *fe, enum dibx000_i2c_interface intf, int gating)
1677{
1678 struct dib9000_state *st = fe->demodulator_priv;
1679 return dibx000_get_i2c_adapter(&st->i2c_master, intf, gating);
1680}
1681EXPORT_SYMBOL(dib9000_get_i2c_master);
1682
1683int dib9000_set_i2c_adapter(struct dvb_frontend *fe, struct i2c_adapter *i2c)
1684{
1685 struct dib9000_state *st = fe->demodulator_priv;
1686
1687 st->i2c.i2c_adap = i2c;
1688 return 0;
1689}
1690EXPORT_SYMBOL(dib9000_set_i2c_adapter);
1691
1692static int dib9000_cfg_gpio(struct dib9000_state *st, u8 num, u8 dir, u8 val)
1693{
1694 st->gpio_dir = dib9000_read_word(st, 773);
1695 st->gpio_dir &= ~(1 << num); /* reset the direction bit */
1696 st->gpio_dir |= (dir & 0x1) << num; /* set the new direction */
1697 dib9000_write_word(st, 773, st->gpio_dir);
1698
1699 st->gpio_val = dib9000_read_word(st, 774);
1700 st->gpio_val &= ~(1 << num); /* reset the direction bit */
1701 st->gpio_val |= (val & 0x01) << num; /* set the new value */
1702 dib9000_write_word(st, 774, st->gpio_val);
1703
1704 dprintk("gpio dir: %04x: gpio val: %04x", st->gpio_dir, st->gpio_val);
1705
1706 return 0;
1707}
1708
1709int dib9000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val)
1710{
1711 struct dib9000_state *state = fe->demodulator_priv;
1712 return dib9000_cfg_gpio(state, num, dir, val);
1713}
1714EXPORT_SYMBOL(dib9000_set_gpio);
1715
1716int dib9000_fw_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
1717{
1718 struct dib9000_state *state = fe->demodulator_priv;
1719 u16 val = dib9000_read_word(state, 294 + 1) & 0xffef;
1720 val |= (onoff & 0x1) << 4;
1721
1722 dprintk("PID filter enabled %d", onoff);
1723 return dib9000_write_word(state, 294 + 1, val);
1724}
1725EXPORT_SYMBOL(dib9000_fw_pid_filter_ctrl);
1726
1727int dib9000_fw_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
1728{
1729 struct dib9000_state *state = fe->demodulator_priv;
1730 dprintk("Index %x, PID %d, OnOff %d", id, pid, onoff);
1731 return dib9000_write_word(state, 300 + 1 + id, onoff ? (1 << 13) | pid : 0);
1732}
1733EXPORT_SYMBOL(dib9000_fw_pid_filter);
1734
1735int dib9000_firmware_post_pll_init(struct dvb_frontend *fe)
1736{
1737 struct dib9000_state *state = fe->demodulator_priv;
1738 return dib9000_fw_init(state);
1739}
1740EXPORT_SYMBOL(dib9000_firmware_post_pll_init);
1741
1742static void dib9000_release(struct dvb_frontend *demod)
1743{
1744 struct dib9000_state *st = demod->demodulator_priv;
1745 u8 index_frontend;
1746
1747 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (st->fe[index_frontend] != NULL); index_frontend++)
1748 dvb_frontend_detach(st->fe[index_frontend]);
1749
1750 DibFreeLock(&state->platform.risc.mbx_if_lock);
1751 DibFreeLock(&state->platform.risc.mbx_lock);
1752 DibFreeLock(&state->platform.risc.mem_lock);
1753 DibFreeLock(&state->platform.risc.mem_mbx_lock);
1754 dibx000_exit_i2c_master(&st->i2c_master);
1755
1756 i2c_del_adapter(&st->tuner_adap);
1757 i2c_del_adapter(&st->component_bus);
1758 kfree(st->fe[0]);
1759 kfree(st);
1760}
1761
1762static int dib9000_wakeup(struct dvb_frontend *fe)
1763{
1764 return 0;
1765}
1766
1767static int dib9000_sleep(struct dvb_frontend *fe)
1768{
1769 struct dib9000_state *state = fe->demodulator_priv;
1770 u8 index_frontend;
1771 int ret;
1772
1773 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1774 ret = state->fe[index_frontend]->ops.sleep(state->fe[index_frontend]);
1775 if (ret < 0)
1776 return ret;
1777 }
1778 return dib9000_mbx_send(state, OUT_MSG_FE_SLEEP, NULL, 0);
1779}
1780
1781static int dib9000_fe_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune)
1782{
1783 tune->min_delay_ms = 1000;
1784 return 0;
1785}
1786
1787static int dib9000_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
1788{
1789 struct dib9000_state *state = fe->demodulator_priv;
1790 u8 index_frontend, sub_index_frontend;
1791 fe_status_t stat;
1792 int ret;
1793
1794 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1795 state->fe[index_frontend]->ops.read_status(state->fe[index_frontend], &stat);
1796 if (stat & FE_HAS_SYNC) {
1797 dprintk("TPS lock on the slave%i", index_frontend);
1798
1799 /* synchronize the cache with the other frontends */
1800 state->fe[index_frontend]->ops.get_frontend(state->fe[index_frontend], fep);
1801 for (sub_index_frontend = 0; (sub_index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[sub_index_frontend] != NULL);
1802 sub_index_frontend++) {
1803 if (sub_index_frontend != index_frontend) {
1804 state->fe[sub_index_frontend]->dtv_property_cache.modulation =
1805 state->fe[index_frontend]->dtv_property_cache.modulation;
1806 state->fe[sub_index_frontend]->dtv_property_cache.inversion =
1807 state->fe[index_frontend]->dtv_property_cache.inversion;
1808 state->fe[sub_index_frontend]->dtv_property_cache.transmission_mode =
1809 state->fe[index_frontend]->dtv_property_cache.transmission_mode;
1810 state->fe[sub_index_frontend]->dtv_property_cache.guard_interval =
1811 state->fe[index_frontend]->dtv_property_cache.guard_interval;
1812 state->fe[sub_index_frontend]->dtv_property_cache.hierarchy =
1813 state->fe[index_frontend]->dtv_property_cache.hierarchy;
1814 state->fe[sub_index_frontend]->dtv_property_cache.code_rate_HP =
1815 state->fe[index_frontend]->dtv_property_cache.code_rate_HP;
1816 state->fe[sub_index_frontend]->dtv_property_cache.code_rate_LP =
1817 state->fe[index_frontend]->dtv_property_cache.code_rate_LP;
1818 state->fe[sub_index_frontend]->dtv_property_cache.rolloff =
1819 state->fe[index_frontend]->dtv_property_cache.rolloff;
1820 }
1821 }
1822 return 0;
1823 }
1824 }
1825
1826 /* get the channel from master chip */
1827 ret = dib9000_fw_get_channel(fe, fep);
1828 if (ret != 0)
1829 return ret;
1830
1831 /* synchronize the cache with the other frontends */
1832 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1833 state->fe[index_frontend]->dtv_property_cache.inversion = fe->dtv_property_cache.inversion;
1834 state->fe[index_frontend]->dtv_property_cache.transmission_mode = fe->dtv_property_cache.transmission_mode;
1835 state->fe[index_frontend]->dtv_property_cache.guard_interval = fe->dtv_property_cache.guard_interval;
1836 state->fe[index_frontend]->dtv_property_cache.modulation = fe->dtv_property_cache.modulation;
1837 state->fe[index_frontend]->dtv_property_cache.hierarchy = fe->dtv_property_cache.hierarchy;
1838 state->fe[index_frontend]->dtv_property_cache.code_rate_HP = fe->dtv_property_cache.code_rate_HP;
1839 state->fe[index_frontend]->dtv_property_cache.code_rate_LP = fe->dtv_property_cache.code_rate_LP;
1840 state->fe[index_frontend]->dtv_property_cache.rolloff = fe->dtv_property_cache.rolloff;
1841 }
1842
1843 return 0;
1844}
1845
1846static int dib9000_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state)
1847{
1848 struct dib9000_state *state = fe->demodulator_priv;
1849 state->tune_state = tune_state;
1850 if (tune_state == CT_DEMOD_START)
1851 state->status = FE_STATUS_TUNE_PENDING;
1852
1853 return 0;
1854}
1855
1856static u32 dib9000_get_status(struct dvb_frontend *fe)
1857{
1858 struct dib9000_state *state = fe->demodulator_priv;
1859 return state->status;
1860}
1861
1862static int dib9000_set_channel_status(struct dvb_frontend *fe, struct dvb_frontend_parametersContext *channel_status)
1863{
1864 struct dib9000_state *state = fe->demodulator_priv;
1865
1866 memcpy(&state->channel_status, channel_status, sizeof(struct dvb_frontend_parametersContext));
1867 return 0;
1868}
1869
1870static int dib9000_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
1871{
1872 struct dib9000_state *state = fe->demodulator_priv;
1873 int sleep_time, sleep_time_slave;
1874 u32 frontend_status;
1875 u8 nbr_pending, exit_condition, index_frontend, index_frontend_success;
1876 struct dvb_frontend_parametersContext channel_status;
1877
1878 /* check that the correct parameters are set */
1879 if (state->fe[0]->dtv_property_cache.frequency == 0) {
1880 dprintk("dib9000: must specify frequency ");
1881 return 0;
1882 }
1883
1884 if (state->fe[0]->dtv_property_cache.bandwidth_hz == 0) {
1885 dprintk("dib9000: must specify bandwidth ");
1886 return 0;
1887 }
1888 fe->dtv_property_cache.delivery_system = SYS_DVBT;
1889
1890 /* set the master status */
1891 if (fep->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO ||
1892 fep->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO || fep->u.ofdm.constellation == QAM_AUTO || fep->u.ofdm.code_rate_HP == FEC_AUTO) {
1893 /* no channel specified, autosearch the channel */
1894 state->channel_status.status = CHANNEL_STATUS_PARAMETERS_UNKNOWN;
1895 } else
1896 state->channel_status.status = CHANNEL_STATUS_PARAMETERS_SET;
1897
1898 /* set mode and status for the different frontends */
1899 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1900 dib9000_fw_set_diversity_in(state->fe[index_frontend], 1);
1901
1902 /* synchronization of the cache */
1903 memcpy(&state->fe[index_frontend]->dtv_property_cache, &fe->dtv_property_cache, sizeof(struct dtv_frontend_properties));
1904
1905 state->fe[index_frontend]->dtv_property_cache.delivery_system = SYS_DVBT;
1906 dib9000_fw_set_output_mode(state->fe[index_frontend], OUTMODE_HIGH_Z);
1907
1908 dib9000_set_channel_status(state->fe[index_frontend], &state->channel_status);
1909 dib9000_set_tune_state(state->fe[index_frontend], CT_DEMOD_START);
1910 }
1911
1912 /* actual tune */
1913 exit_condition = 0; /* 0: tune pending; 1: tune failed; 2:tune success */
1914 index_frontend_success = 0;
1915 do {
1916 sleep_time = dib9000_fw_tune(state->fe[0], NULL);
1917 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1918 sleep_time_slave = dib9000_fw_tune(state->fe[index_frontend], NULL);
1919 if (sleep_time == FE_CALLBACK_TIME_NEVER)
1920 sleep_time = sleep_time_slave;
1921 else if ((sleep_time_slave != FE_CALLBACK_TIME_NEVER) && (sleep_time_slave > sleep_time))
1922 sleep_time = sleep_time_slave;
1923 }
1924 if (sleep_time != FE_CALLBACK_TIME_NEVER)
1925 msleep(sleep_time / 10);
1926 else
1927 break;
1928
1929 nbr_pending = 0;
1930 exit_condition = 0;
1931 index_frontend_success = 0;
1932 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1933 frontend_status = -dib9000_get_status(state->fe[index_frontend]);
1934 if (frontend_status > -FE_STATUS_TUNE_PENDING) {
1935 exit_condition = 2; /* tune success */
1936 index_frontend_success = index_frontend;
1937 break;
1938 }
1939 if (frontend_status == -FE_STATUS_TUNE_PENDING)
1940 nbr_pending++; /* some frontends are still tuning */
1941 }
1942 if ((exit_condition != 2) && (nbr_pending == 0))
1943 exit_condition = 1; /* if all tune are done and no success, exit: tune failed */
1944
1945 } while (exit_condition == 0);
1946
1947 /* check the tune result */
1948 if (exit_condition == 1) { /* tune failed */
1949 dprintk("tune failed");
1950 return 0;
1951 }
1952
1953 dprintk("tune success on frontend%i", index_frontend_success);
1954
1955 /* synchronize all the channel cache */
1956 dib9000_get_frontend(state->fe[0], fep);
1957
1958 /* retune the other frontends with the found channel */
1959 channel_status.status = CHANNEL_STATUS_PARAMETERS_SET;
1960 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1961 /* only retune the frontends which was not tuned success */
1962 if (index_frontend != index_frontend_success) {
1963 dib9000_set_channel_status(state->fe[index_frontend], &channel_status);
1964 dib9000_set_tune_state(state->fe[index_frontend], CT_DEMOD_START);
1965 }
1966 }
1967 do {
1968 sleep_time = FE_CALLBACK_TIME_NEVER;
1969 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1970 if (index_frontend != index_frontend_success) {
1971 sleep_time_slave = dib9000_fw_tune(state->fe[index_frontend], NULL);
1972 if (sleep_time == FE_CALLBACK_TIME_NEVER)
1973 sleep_time = sleep_time_slave;
1974 else if ((sleep_time_slave != FE_CALLBACK_TIME_NEVER) && (sleep_time_slave > sleep_time))
1975 sleep_time = sleep_time_slave;
1976 }
1977 }
1978 if (sleep_time != FE_CALLBACK_TIME_NEVER)
1979 msleep(sleep_time / 10);
1980 else
1981 break;
1982
1983 nbr_pending = 0;
1984 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1985 if (index_frontend != index_frontend_success) {
1986 frontend_status = -dib9000_get_status(state->fe[index_frontend]);
1987 if ((index_frontend != index_frontend_success) && (frontend_status == -FE_STATUS_TUNE_PENDING))
1988 nbr_pending++; /* some frontends are still tuning */
1989 }
1990 }
1991 } while (nbr_pending != 0);
1992
1993 /* set the output mode */
1994 dib9000_fw_set_output_mode(state->fe[0], state->chip.d9.cfg.output_mode);
1995 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
1996 dib9000_fw_set_output_mode(state->fe[index_frontend], OUTMODE_DIVERSITY);
1997
1998 /* turn off the diversity for the last frontend */
1999 dib9000_fw_set_diversity_in(state->fe[index_frontend - 1], 0);
2000
2001 return 0;
2002}
2003
2004static u16 dib9000_read_lock(struct dvb_frontend *fe)
2005{
2006 struct dib9000_state *state = fe->demodulator_priv;
2007
2008 return dib9000_read_word(state, 535);
2009}
2010
2011static int dib9000_read_status(struct dvb_frontend *fe, fe_status_t * stat)
2012{
2013 struct dib9000_state *state = fe->demodulator_priv;
2014 u8 index_frontend;
2015 u16 lock = 0, lock_slave = 0;
2016
2017 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
2018 lock_slave |= dib9000_read_lock(state->fe[index_frontend]);
2019
2020 lock = dib9000_read_word(state, 535);
2021
2022 *stat = 0;
2023
2024 if ((lock & 0x8000) || (lock_slave & 0x8000))
2025 *stat |= FE_HAS_SIGNAL;
2026 if ((lock & 0x3000) || (lock_slave & 0x3000))
2027 *stat |= FE_HAS_CARRIER;
2028 if ((lock & 0x0100) || (lock_slave & 0x0100))
2029 *stat |= FE_HAS_VITERBI;
2030 if (((lock & 0x0038) == 0x38) || ((lock_slave & 0x0038) == 0x38))
2031 *stat |= FE_HAS_SYNC;
2032 if ((lock & 0x0008) || (lock_slave & 0x0008))
2033 *stat |= FE_HAS_LOCK;
2034
2035 return 0;
2036}
2037
2038static int dib9000_read_ber(struct dvb_frontend *fe, u32 * ber)
2039{
2040 struct dib9000_state *state = fe->demodulator_priv;
2041 u16 c[16];
2042
2043 DibAcquireLock(&state->platform.risc.mem_mbx_lock);
2044 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0)
2045 return -EIO;
2046 dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR, (u8 *) c, sizeof(c));
2047 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2048
2049 *ber = c[10] << 16 | c[11];
2050 return 0;
2051}
2052
2053static int dib9000_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
2054{
2055 struct dib9000_state *state = fe->demodulator_priv;
2056 u8 index_frontend;
2057 u16 c[16];
2058 u16 val;
2059
2060 *strength = 0;
2061 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
2062 state->fe[index_frontend]->ops.read_signal_strength(state->fe[index_frontend], &val);
2063 if (val > 65535 - *strength)
2064 *strength = 65535;
2065 else
2066 *strength += val;
2067 }
2068
2069 DibAcquireLock(&state->platform.risc.mem_mbx_lock);
2070 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0)
2071 return -EIO;
2072 dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR, (u8 *) c, sizeof(c));
2073 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2074
2075 val = 65535 - c[4];
2076 if (val > 65535 - *strength)
2077 *strength = 65535;
2078 else
2079 *strength += val;
2080 return 0;
2081}
2082
2083static u32 dib9000_get_snr(struct dvb_frontend *fe)
2084{
2085 struct dib9000_state *state = fe->demodulator_priv;
2086 u16 c[16];
2087 u32 n, s, exp;
2088 u16 val;
2089
2090 DibAcquireLock(&state->platform.risc.mem_mbx_lock);
2091 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0)
2092 return -EIO;
2093 dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR, (u8 *) c, sizeof(c));
2094 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2095
2096 val = c[7];
2097 n = (val >> 4) & 0xff;
2098 exp = ((val & 0xf) << 2);
2099 val = c[8];
2100 exp += ((val >> 14) & 0x3);
2101 if ((exp & 0x20) != 0)
2102 exp -= 0x40;
2103 n <<= exp + 16;
2104
2105 s = (val >> 6) & 0xFF;
2106 exp = (val & 0x3F);
2107 if ((exp & 0x20) != 0)
2108 exp -= 0x40;
2109 s <<= exp + 16;
2110
2111 if (n > 0) {
2112 u32 t = (s / n) << 16;
2113 return t + ((s << 16) - n * t) / n;
2114 }
2115 return 0xffffffff;
2116}
2117
2118static int dib9000_read_snr(struct dvb_frontend *fe, u16 * snr)
2119{
2120 struct dib9000_state *state = fe->demodulator_priv;
2121 u8 index_frontend;
2122 u32 snr_master;
2123
2124 snr_master = dib9000_get_snr(fe);
2125 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
2126 snr_master += dib9000_get_snr(state->fe[index_frontend]);
2127
2128 if ((snr_master >> 16) != 0) {
2129 snr_master = 10 * intlog10(snr_master >> 16);
2130 *snr = snr_master / ((1 << 24) / 10);
2131 } else
2132 *snr = 0;
2133
2134 return 0;
2135}
2136
2137static int dib9000_read_unc_blocks(struct dvb_frontend *fe, u32 * unc)
2138{
2139 struct dib9000_state *state = fe->demodulator_priv;
2140 u16 c[16];
2141
2142 DibAcquireLock(&state->platform.risc.mem_mbx_lock);
2143 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0)
2144 return -EIO;
2145 dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR, (u8 *) c, sizeof(c));
2146 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2147
2148 *unc = c[12];
2149 return 0;
2150}
2151
2152int dib9000_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, u8 first_addr)
2153{
2154 int k = 0;
2155 u8 new_addr = 0;
2156 struct i2c_device client = {.i2c_adap = i2c };
2157
2158 client.i2c_addr = default_addr + 16;
2159 dib9000_i2c_write16(&client, 1796, 0x0);
2160
2161 for (k = no_of_demods - 1; k >= 0; k--) {
2162 /* designated i2c address */
2163 new_addr = first_addr + (k << 1);
2164 client.i2c_addr = default_addr;
2165
2166 dib9000_i2c_write16(&client, 1817, 3);
2167 dib9000_i2c_write16(&client, 1796, 0);
2168 dib9000_i2c_write16(&client, 1227, 1);
2169 dib9000_i2c_write16(&client, 1227, 0);
2170
2171 client.i2c_addr = new_addr;
2172 dib9000_i2c_write16(&client, 1817, 3);
2173 dib9000_i2c_write16(&client, 1796, 0);
2174 dib9000_i2c_write16(&client, 1227, 1);
2175 dib9000_i2c_write16(&client, 1227, 0);
2176
2177 if (dib9000_identify(&client) == 0) {
2178 client.i2c_addr = default_addr;
2179 if (dib9000_identify(&client) == 0) {
2180 dprintk("DiB9000 #%d: not identified", k);
2181 return -EIO;
2182 }
2183 }
2184
2185 dib9000_i2c_write16(&client, 1795, (1 << 10) | (4 << 6));
2186 dib9000_i2c_write16(&client, 1794, (new_addr << 2) | 2);
2187
2188 dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr);
2189 }
2190
2191 for (k = 0; k < no_of_demods; k++) {
2192 new_addr = first_addr | (k << 1);
2193 client.i2c_addr = new_addr;
2194
2195 dib9000_i2c_write16(&client, 1794, (new_addr << 2));
2196 dib9000_i2c_write16(&client, 1795, 0);
2197 }
2198
2199 return 0;
2200}
2201EXPORT_SYMBOL(dib9000_i2c_enumeration);
2202
2203int dib9000_set_slave_frontend(struct dvb_frontend *fe, struct dvb_frontend *fe_slave)
2204{
2205 struct dib9000_state *state = fe->demodulator_priv;
2206 u8 index_frontend = 1;
2207
2208 while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL))
2209 index_frontend++;
2210 if (index_frontend < MAX_NUMBER_OF_FRONTENDS) {
2211 dprintk("set slave fe %p to index %i", fe_slave, index_frontend);
2212 state->fe[index_frontend] = fe_slave;
2213 return 0;
2214 }
2215
2216 dprintk("too many slave frontend");
2217 return -ENOMEM;
2218}
2219EXPORT_SYMBOL(dib9000_set_slave_frontend);
2220
2221int dib9000_remove_slave_frontend(struct dvb_frontend *fe)
2222{
2223 struct dib9000_state *state = fe->demodulator_priv;
2224 u8 index_frontend = 1;
2225
2226 while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL))
2227 index_frontend++;
2228 if (index_frontend != 1) {
2229 dprintk("remove slave fe %p (index %i)", state->fe[index_frontend - 1], index_frontend - 1);
2230 state->fe[index_frontend] = NULL;
2231 return 0;
2232 }
2233
2234 dprintk("no frontend to be removed");
2235 return -ENODEV;
2236}
2237EXPORT_SYMBOL(dib9000_remove_slave_frontend);
2238
2239struct dvb_frontend *dib9000_get_slave_frontend(struct dvb_frontend *fe, int slave_index)
2240{
2241 struct dib9000_state *state = fe->demodulator_priv;
2242
2243 if (slave_index >= MAX_NUMBER_OF_FRONTENDS)
2244 return NULL;
2245 return state->fe[slave_index];
2246}
2247EXPORT_SYMBOL(dib9000_get_slave_frontend);
2248
2249static struct dvb_frontend_ops dib9000_ops;
2250struct dvb_frontend *dib9000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, const struct dib9000_config *cfg)
2251{
2252 struct dvb_frontend *fe;
2253 struct dib9000_state *st;
2254 st = kzalloc(sizeof(struct dib9000_state), GFP_KERNEL);
2255 if (st == NULL)
2256 return NULL;
2257 fe = kzalloc(sizeof(struct dvb_frontend), GFP_KERNEL);
2258 if (fe == NULL)
2259 return NULL;
2260
2261 memcpy(&st->chip.d9.cfg, cfg, sizeof(struct dib9000_config));
2262 st->i2c.i2c_adap = i2c_adap;
2263 st->i2c.i2c_addr = i2c_addr;
2264
2265 st->gpio_dir = DIB9000_GPIO_DEFAULT_DIRECTIONS;
2266 st->gpio_val = DIB9000_GPIO_DEFAULT_VALUES;
2267 st->gpio_pwm_pos = DIB9000_GPIO_DEFAULT_PWM_POS;
2268
2269 DibInitLock(&st->platform.risc.mbx_if_lock);
2270 DibInitLock(&st->platform.risc.mbx_lock);
2271 DibInitLock(&st->platform.risc.mem_lock);
2272 DibInitLock(&st->platform.risc.mem_mbx_lock);
2273
2274 st->fe[0] = fe;
2275 fe->demodulator_priv = st;
2276 memcpy(&st->fe[0]->ops, &dib9000_ops, sizeof(struct dvb_frontend_ops));
2277
2278 /* Ensure the output mode remains at the previous default if it's
2279 * not specifically set by the caller.
2280 */
2281 if ((st->chip.d9.cfg.output_mode != OUTMODE_MPEG2_SERIAL) && (st->chip.d9.cfg.output_mode != OUTMODE_MPEG2_PAR_GATED_CLK))
2282 st->chip.d9.cfg.output_mode = OUTMODE_MPEG2_FIFO;
2283
2284 if (dib9000_identify(&st->i2c) == 0)
2285 goto error;
2286
2287 dibx000_init_i2c_master(&st->i2c_master, DIB7000MC, st->i2c.i2c_adap, st->i2c.i2c_addr);
2288
2289 st->tuner_adap.dev.parent = i2c_adap->dev.parent;
2290 strncpy(st->tuner_adap.name, "DIB9000_FW TUNER ACCESS", sizeof(st->tuner_adap.name));
2291 st->tuner_adap.algo = &dib9000_tuner_algo;
2292 st->tuner_adap.algo_data = NULL;
2293 i2c_set_adapdata(&st->tuner_adap, st);
2294 if (i2c_add_adapter(&st->tuner_adap) < 0)
2295 goto error;
2296
2297 st->component_bus.dev.parent = i2c_adap->dev.parent;
2298 strncpy(st->component_bus.name, "DIB9000_FW COMPONENT BUS ACCESS", sizeof(st->component_bus.name));
2299 st->component_bus.algo = &dib9000_component_bus_algo;
2300 st->component_bus.algo_data = NULL;
2301 st->component_bus_speed = 340;
2302 i2c_set_adapdata(&st->component_bus, st);
2303 if (i2c_add_adapter(&st->component_bus) < 0)
2304 goto component_bus_add_error;
2305
2306 dib9000_fw_reset(fe);
2307
2308 return fe;
2309
2310component_bus_add_error:
2311 i2c_del_adapter(&st->tuner_adap);
2312error:
2313 kfree(st);
2314 return NULL;
2315}
2316EXPORT_SYMBOL(dib9000_attach);
2317
2318static struct dvb_frontend_ops dib9000_ops = {
2319 .info = {
2320 .name = "DiBcom 9000",
2321 .type = FE_OFDM,
2322 .frequency_min = 44250000,
2323 .frequency_max = 867250000,
2324 .frequency_stepsize = 62500,
2325 .caps = FE_CAN_INVERSION_AUTO |
2326 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
2327 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
2328 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
2329 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_RECOVER | FE_CAN_HIERARCHY_AUTO,
2330 },
2331
2332 .release = dib9000_release,
2333
2334 .init = dib9000_wakeup,
2335 .sleep = dib9000_sleep,
2336
2337 .set_frontend = dib9000_set_frontend,
2338 .get_tune_settings = dib9000_fe_get_tune_settings,
2339 .get_frontend = dib9000_get_frontend,
2340
2341 .read_status = dib9000_read_status,
2342 .read_ber = dib9000_read_ber,
2343 .read_signal_strength = dib9000_read_signal_strength,
2344 .read_snr = dib9000_read_snr,
2345 .read_ucblocks = dib9000_read_unc_blocks,
2346};
2347
2348MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
2349MODULE_AUTHOR("Olivier Grenie <ogrenie@dibcom.fr>");
2350MODULE_DESCRIPTION("Driver for the DiBcom 9000 COFDM demodulator");
2351MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-29 00:44:21 -0400