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[media] v4l/dvb: fix compiler warnings
[linux-2.6-xlnx.git] / drivers / media / dvb / frontends / dib9000.c
blob0661da919b50a2d6ec388e47e62591fb8bb3604a
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
20 static int debug;
21 module_param(debug, int, 0644);
22 MODULE_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
27 struct i2c_device {
28 struct i2c_adapter *i2c_adap;
29 u8 i2c_addr;
30 u8 *i2c_read_buffer;
31 u8 *i2c_write_buffer;
32 };
33
34 /* lock */
35 #define DIB_LOCK struct mutex
36 #define DibAcquireLock(lock) mutex_lock_interruptible(lock)
37 #define DibReleaseLock(lock) mutex_unlock(lock)
38 #define DibInitLock(lock) mutex_init(lock)
39 #define DibFreeLock(lock)
40
41 struct dib9000_pid_ctrl {
42 #define DIB9000_PID_FILTER_CTRL 0
43 #define DIB9000_PID_FILTER 1
44 u8 cmd;
45 u8 id;
46 u16 pid;
47 u8 onoff;
48 };
49
50 struct dib9000_state {
51 struct i2c_device i2c;
52
53 struct dibx000_i2c_master i2c_master;
54 struct i2c_adapter tuner_adap;
55 struct i2c_adapter component_bus;
56
57 u16 revision;
58 u8 reg_offs;
59
60 enum frontend_tune_state tune_state;
61 u32 status;
62 struct dvb_frontend_parametersContext channel_status;
63
64 u8 fe_id;
65
66 #define DIB9000_GPIO_DEFAULT_DIRECTIONS 0xffff
67 u16 gpio_dir;
68 #define DIB9000_GPIO_DEFAULT_VALUES 0x0000
69 u16 gpio_val;
70 #define DIB9000_GPIO_DEFAULT_PWM_POS 0xffff
71 u16 gpio_pwm_pos;
72
73 union { /* common for all chips */
74 struct {
75 u8 mobile_mode:1;
76 } host;
77
78 struct {
79 struct dib9000_fe_memory_map {
80 u16 addr;
81 u16 size;
82 } fe_mm[18];
83 u8 memcmd;
84
85 DIB_LOCK mbx_if_lock; /* to protect read/write operations */
86 DIB_LOCK mbx_lock; /* to protect the whole mailbox handling */
87
88 DIB_LOCK mem_lock; /* to protect the memory accesses */
89 DIB_LOCK mem_mbx_lock; /* to protect the memory-based mailbox */
90
91 #define MBX_MAX_WORDS (256 - 200 - 2)
92 #define DIB9000_MSG_CACHE_SIZE 2
93 u16 message_cache[DIB9000_MSG_CACHE_SIZE][MBX_MAX_WORDS];
94 u8 fw_is_running;
95 } risc;
96 } platform;
97
98 union { /* common for all platforms */
99 struct {
100 struct dib9000_config cfg;
101 } d9;
102 } chip;
103
104 struct dvb_frontend *fe[MAX_NUMBER_OF_FRONTENDS];
105 u16 component_bus_speed;
106
107 /* for the I2C transfer */
108 struct i2c_msg msg[2];
109 u8 i2c_write_buffer[255];
110 u8 i2c_read_buffer[255];
111 DIB_LOCK demod_lock;
112 u8 get_frontend_internal;
113 struct dib9000_pid_ctrl pid_ctrl[10];
114 s8 pid_ctrl_index; /* -1: empty list; -2: do not use the list */
115 };
116
117 static const u32 fe_info[44] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
118 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
119 0, 0, 0, 0, 0, 0, 0, 0
120 };
121
122 enum dib9000_power_mode {
123 DIB9000_POWER_ALL = 0,
124
125 DIB9000_POWER_NO,
126 DIB9000_POWER_INTERF_ANALOG_AGC,
127 DIB9000_POWER_COR4_DINTLV_ICIRM_EQUAL_CFROD,
128 DIB9000_POWER_COR4_CRY_ESRAM_MOUT_NUD,
129 DIB9000_POWER_INTERFACE_ONLY,
130 };
131
132 enum dib9000_out_messages {
133 OUT_MSG_HBM_ACK,
134 OUT_MSG_HOST_BUF_FAIL,
135 OUT_MSG_REQ_VERSION,
136 OUT_MSG_BRIDGE_I2C_W,
137 OUT_MSG_BRIDGE_I2C_R,
138 OUT_MSG_BRIDGE_APB_W,
139 OUT_MSG_BRIDGE_APB_R,
140 OUT_MSG_SCAN_CHANNEL,
141 OUT_MSG_MONIT_DEMOD,
142 OUT_MSG_CONF_GPIO,
143 OUT_MSG_DEBUG_HELP,
144 OUT_MSG_SUBBAND_SEL,
145 OUT_MSG_ENABLE_TIME_SLICE,
146 OUT_MSG_FE_FW_DL,
147 OUT_MSG_FE_CHANNEL_SEARCH,
148 OUT_MSG_FE_CHANNEL_TUNE,
149 OUT_MSG_FE_SLEEP,
150 OUT_MSG_FE_SYNC,
151 OUT_MSG_CTL_MONIT,
152
153 OUT_MSG_CONF_SVC,
154 OUT_MSG_SET_HBM,
155 OUT_MSG_INIT_DEMOD,
156 OUT_MSG_ENABLE_DIVERSITY,
157 OUT_MSG_SET_OUTPUT_MODE,
158 OUT_MSG_SET_PRIORITARY_CHANNEL,
159 OUT_MSG_ACK_FRG,
160 OUT_MSG_INIT_PMU,
161 };
162
163 enum dib9000_in_messages {
164 IN_MSG_DATA,
165 IN_MSG_FRAME_INFO,
166 IN_MSG_CTL_MONIT,
167 IN_MSG_ACK_FREE_ITEM,
168 IN_MSG_DEBUG_BUF,
169 IN_MSG_MPE_MONITOR,
170 IN_MSG_RAWTS_MONITOR,
171 IN_MSG_END_BRIDGE_I2C_RW,
172 IN_MSG_END_BRIDGE_APB_RW,
173 IN_MSG_VERSION,
174 IN_MSG_END_OF_SCAN,
175 IN_MSG_MONIT_DEMOD,
176 IN_MSG_ERROR,
177 IN_MSG_FE_FW_DL_DONE,
178 IN_MSG_EVENT,
179 IN_MSG_ACK_CHANGE_SVC,
180 IN_MSG_HBM_PROF,
181 };
182
183 /* memory_access requests */
184 #define FE_MM_W_CHANNEL 0
185 #define FE_MM_W_FE_INFO 1
186 #define FE_MM_RW_SYNC 2
187
188 #define FE_SYNC_CHANNEL 1
189 #define FE_SYNC_W_GENERIC_MONIT 2
190 #define FE_SYNC_COMPONENT_ACCESS 3
191
192 #define FE_MM_R_CHANNEL_SEARCH_STATE 3
193 #define FE_MM_R_CHANNEL_UNION_CONTEXT 4
194 #define FE_MM_R_FE_INFO 5
195 #define FE_MM_R_FE_MONITOR 6
196
197 #define FE_MM_W_CHANNEL_HEAD 7
198 #define FE_MM_W_CHANNEL_UNION 8
199 #define FE_MM_W_CHANNEL_CONTEXT 9
200 #define FE_MM_R_CHANNEL_UNION 10
201 #define FE_MM_R_CHANNEL_CONTEXT 11
202 #define FE_MM_R_CHANNEL_TUNE_STATE 12
203
204 #define FE_MM_R_GENERIC_MONITORING_SIZE 13
205 #define FE_MM_W_GENERIC_MONITORING 14
206 #define FE_MM_R_GENERIC_MONITORING 15
207
208 #define FE_MM_W_COMPONENT_ACCESS 16
209 #define FE_MM_RW_COMPONENT_ACCESS_BUFFER 17
210 static int dib9000_risc_apb_access_read(struct dib9000_state *state, u32 address, u16 attribute, const u8 * tx, u32 txlen, u8 * b, u32 len);
211 static int dib9000_risc_apb_access_write(struct dib9000_state *state, u32 address, u16 attribute, const u8 * b, u32 len);
212
213 static u16 to_fw_output_mode(u16 mode)
214 {
215 switch (mode) {
216 case OUTMODE_HIGH_Z:
217 return 0;
218 case OUTMODE_MPEG2_PAR_GATED_CLK:
219 return 4;
220 case OUTMODE_MPEG2_PAR_CONT_CLK:
221 return 8;
222 case OUTMODE_MPEG2_SERIAL:
223 return 16;
224 case OUTMODE_DIVERSITY:
225 return 128;
226 case OUTMODE_MPEG2_FIFO:
227 return 2;
228 case OUTMODE_ANALOG_ADC:
229 return 1;
230 default:
231 return 0;
232 }
233 }
234
235 static u16 dib9000_read16_attr(struct dib9000_state *state, u16 reg, u8 * b, u32 len, u16 attribute)
236 {
237 u32 chunk_size = 126;
238 u32 l;
239 int ret;
240
241 if (state->platform.risc.fw_is_running && (reg < 1024))
242 return dib9000_risc_apb_access_read(state, reg, attribute, NULL, 0, b, len);
243
244 memset(state->msg, 0, 2 * sizeof(struct i2c_msg));
245 state->msg[0].addr = state->i2c.i2c_addr >> 1;
246 state->msg[0].flags = 0;
247 state->msg[0].buf = state->i2c_write_buffer;
248 state->msg[0].len = 2;
249 state->msg[1].addr = state->i2c.i2c_addr >> 1;
250 state->msg[1].flags = I2C_M_RD;
251 state->msg[1].buf = b;
252 state->msg[1].len = len;
253
254 state->i2c_write_buffer[0] = reg >> 8;
255 state->i2c_write_buffer[1] = reg & 0xff;
256
257 if (attribute & DATA_BUS_ACCESS_MODE_8BIT)
258 state->i2c_write_buffer[0] |= (1 << 5);
259 if (attribute & DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
260 state->i2c_write_buffer[0] |= (1 << 4);
261
262 do {
263 l = len < chunk_size ? len : chunk_size;
264 state->msg[1].len = l;
265 state->msg[1].buf = b;
266 ret = i2c_transfer(state->i2c.i2c_adap, state->msg, 2) != 2 ? -EREMOTEIO : 0;
267 if (ret != 0) {
268 dprintk("i2c read error on %d", reg);
269 return -EREMOTEIO;
270 }
271
272 b += l;
273 len -= l;
274
275 if (!(attribute & DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT))
276 reg += l / 2;
277 } while ((ret == 0) && len);
278
279 return 0;
280 }
281
282 static u16 dib9000_i2c_read16(struct i2c_device *i2c, u16 reg)
283 {
284 struct i2c_msg msg[2] = {
285 {.addr = i2c->i2c_addr >> 1, .flags = 0,
286 .buf = i2c->i2c_write_buffer, .len = 2},
287 {.addr = i2c->i2c_addr >> 1, .flags = I2C_M_RD,
288 .buf = i2c->i2c_read_buffer, .len = 2},
289 };
290
291 i2c->i2c_write_buffer[0] = reg >> 8;
292 i2c->i2c_write_buffer[1] = reg & 0xff;
293
294 if (i2c_transfer(i2c->i2c_adap, msg, 2) != 2) {
295 dprintk("read register %x error", reg);
296 return 0;
297 }
298
299 return (i2c->i2c_read_buffer[0] << 8) | i2c->i2c_read_buffer[1];
300 }
301
302 static inline u16 dib9000_read_word(struct dib9000_state *state, u16 reg)
303 {
304 if (dib9000_read16_attr(state, reg, state->i2c_read_buffer, 2, 0) != 0)
305 return 0;
306 return (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1];
307 }
308
309 static inline u16 dib9000_read_word_attr(struct dib9000_state *state, u16 reg, u16 attribute)
310 {
311 if (dib9000_read16_attr(state, reg, state->i2c_read_buffer, 2,
312 attribute) != 0)
313 return 0;
314 return (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1];
315 }
316
317 #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)
318
319 static u16 dib9000_write16_attr(struct dib9000_state *state, u16 reg, const u8 * buf, u32 len, u16 attribute)
320 {
321 u32 chunk_size = 126;
322 u32 l;
323 int ret;
324
325 if (state->platform.risc.fw_is_running && (reg < 1024)) {
326 if (dib9000_risc_apb_access_write
327 (state, reg, DATA_BUS_ACCESS_MODE_16BIT | DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT | attribute, buf, len) != 0)
328 return -EINVAL;
329 return 0;
330 }
331
332 memset(&state->msg[0], 0, sizeof(struct i2c_msg));
333 state->msg[0].addr = state->i2c.i2c_addr >> 1;
334 state->msg[0].flags = 0;
335 state->msg[0].buf = state->i2c_write_buffer;
336 state->msg[0].len = len + 2;
337
338 state->i2c_write_buffer[0] = (reg >> 8) & 0xff;
339 state->i2c_write_buffer[1] = (reg) & 0xff;
340
341 if (attribute & DATA_BUS_ACCESS_MODE_8BIT)
342 state->i2c_write_buffer[0] |= (1 << 5);
343 if (attribute & DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
344 state->i2c_write_buffer[0] |= (1 << 4);
345
346 do {
347 l = len < chunk_size ? len : chunk_size;
348 state->msg[0].len = l + 2;
349 memcpy(&state->i2c_write_buffer[2], buf, l);
350
351 ret = i2c_transfer(state->i2c.i2c_adap, state->msg, 1) != 1 ? -EREMOTEIO : 0;
352
353 buf += l;
354 len -= l;
355
356 if (!(attribute & DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT))
357 reg += l / 2;
358 } while ((ret == 0) && len);
359
360 return ret;
361 }
362
363 static int dib9000_i2c_write16(struct i2c_device *i2c, u16 reg, u16 val)
364 {
365 struct i2c_msg msg = {
366 .addr = i2c->i2c_addr >> 1, .flags = 0,
367 .buf = i2c->i2c_write_buffer, .len = 4
368 };
369
370 i2c->i2c_write_buffer[0] = (reg >> 8) & 0xff;
371 i2c->i2c_write_buffer[1] = reg & 0xff;
372 i2c->i2c_write_buffer[2] = (val >> 8) & 0xff;
373 i2c->i2c_write_buffer[3] = val & 0xff;
374
375 return i2c_transfer(i2c->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
376 }
377
378 static inline int dib9000_write_word(struct dib9000_state *state, u16 reg, u16 val)
379 {
380 u8 b[2] = { val >> 8, val & 0xff };
381 return dib9000_write16_attr(state, reg, b, 2, 0);
382 }
383
384 static inline int dib9000_write_word_attr(struct dib9000_state *state, u16 reg, u16 val, u16 attribute)
385 {
386 u8 b[2] = { val >> 8, val & 0xff };
387 return dib9000_write16_attr(state, reg, b, 2, attribute);
388 }
389
390 #define dib9000_write(state, reg, buf, len) dib9000_write16_attr(state, reg, buf, len, 0)
391 #define dib9000_write16_noinc(state, reg, buf, len) dib9000_write16_attr(state, reg, buf, len, DATA_BUS_ACCESS_MODE_NO_ADDRESS_INCREMENT)
392 #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))
393
394 #define dib9000_mbx_send(state, id, data, len) dib9000_mbx_send_attr(state, id, data, len, 0)
395 #define dib9000_mbx_get_message(state, id, msg, len) dib9000_mbx_get_message_attr(state, id, msg, len, 0)
396
397 #define MAC_IRQ (1 << 1)
398 #define IRQ_POL_MSK (1 << 4)
399
400 #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)
401 #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)
402
403 static void dib9000_risc_mem_setup_cmd(struct dib9000_state *state, u32 addr, u32 len, u8 reading)
404 {
405 u8 b[14] = { 0 };
406
407 /* dprintk("%d memcmd: %d %d %d\n", state->fe_id, addr, addr+len, len); */
408 /* b[0] = 0 << 7; */
409 b[1] = 1;
410
411 /* b[2] = 0; */
412 /* b[3] = 0; */
413 b[4] = (u8) (addr >> 8);
414 b[5] = (u8) (addr & 0xff);
415
416 /* b[10] = 0; */
417 /* b[11] = 0; */
418 b[12] = (u8) (addr >> 8);
419 b[13] = (u8) (addr & 0xff);
420
421 addr += len;
422 /* b[6] = 0; */
423 /* b[7] = 0; */
424 b[8] = (u8) (addr >> 8);
425 b[9] = (u8) (addr & 0xff);
426
427 dib9000_write(state, 1056, b, 14);
428 if (reading)
429 dib9000_write_word(state, 1056, (1 << 15) | 1);
430 state->platform.risc.memcmd = -1; /* if it was called directly reset it - to force a future setup-call to set it */
431 }
432
433 static void dib9000_risc_mem_setup(struct dib9000_state *state, u8 cmd)
434 {
435 struct dib9000_fe_memory_map *m = &state->platform.risc.fe_mm[cmd & 0x7f];
436 /* decide whether we need to "refresh" the memory controller */
437 if (state->platform.risc.memcmd == cmd && /* same command */
438 !(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 */
439 return;
440 dib9000_risc_mem_setup_cmd(state, m->addr, m->size, cmd & 0x80);
441 state->platform.risc.memcmd = cmd;
442 }
443
444 static int dib9000_risc_mem_read(struct dib9000_state *state, u8 cmd, u8 * b, u16 len)
445 {
446 if (!state->platform.risc.fw_is_running)
447 return -EIO;
448
449 if (DibAcquireLock(&state->platform.risc.mem_lock) < 0) {
450 dprintk("could not get the lock");
451 return -EINTR;
452 }
453 dib9000_risc_mem_setup(state, cmd | 0x80);
454 dib9000_risc_mem_read_chunks(state, b, len);
455 DibReleaseLock(&state->platform.risc.mem_lock);
456 return 0;
457 }
458
459 static int dib9000_risc_mem_write(struct dib9000_state *state, u8 cmd, const u8 * b)
460 {
461 struct dib9000_fe_memory_map *m = &state->platform.risc.fe_mm[cmd];
462 if (!state->platform.risc.fw_is_running)
463 return -EIO;
464
465 if (DibAcquireLock(&state->platform.risc.mem_lock) < 0) {
466 dprintk("could not get the lock");
467 return -EINTR;
468 }
469 dib9000_risc_mem_setup(state, cmd);
470 dib9000_risc_mem_write_chunks(state, b, m->size);
471 DibReleaseLock(&state->platform.risc.mem_lock);
472 return 0;
473 }
474
475 static int dib9000_firmware_download(struct dib9000_state *state, u8 risc_id, u16 key, const u8 * code, u32 len)
476 {
477 u16 offs;
478
479 if (risc_id == 1)
480 offs = 16;
481 else
482 offs = 0;
483
484 /* config crtl reg */
485 dib9000_write_word(state, 1024 + offs, 0x000f);
486 dib9000_write_word(state, 1025 + offs, 0);
487 dib9000_write_word(state, 1031 + offs, key);
488
489 dprintk("going to download %dB of microcode", len);
490 if (dib9000_write16_noinc(state, 1026 + offs, (u8 *) code, (u16) len) != 0) {
491 dprintk("error while downloading microcode for RISC %c", 'A' + risc_id);
492 return -EIO;
493 }
494
495 dprintk("Microcode for RISC %c loaded", 'A' + risc_id);
496
497 return 0;
498 }
499
500 static int dib9000_mbx_host_init(struct dib9000_state *state, u8 risc_id)
501 {
502 u16 mbox_offs;
503 u16 reset_reg;
504 u16 tries = 1000;
505
506 if (risc_id == 1)
507 mbox_offs = 16;
508 else
509 mbox_offs = 0;
510
511 /* Reset mailbox */
512 dib9000_write_word(state, 1027 + mbox_offs, 0x8000);
513
514 /* Read reset status */
515 do {
516 reset_reg = dib9000_read_word(state, 1027 + mbox_offs);
517 msleep(100);
518 } while ((reset_reg & 0x8000) && --tries);
519
520 if (reset_reg & 0x8000) {
521 dprintk("MBX: init ERROR, no response from RISC %c", 'A' + risc_id);
522 return -EIO;
523 }
524 dprintk("MBX: initialized");
525 return 0;
526 }
527
528 #define MAX_MAILBOX_TRY 100
529 static int dib9000_mbx_send_attr(struct dib9000_state *state, u8 id, u16 * data, u8 len, u16 attr)
530 {
531 u8 *d, b[2];
532 u16 tmp;
533 u16 size;
534 u32 i;
535 int ret = 0;
536
537 if (!state->platform.risc.fw_is_running)
538 return -EINVAL;
539
540 if (DibAcquireLock(&state->platform.risc.mbx_if_lock) < 0) {
541 dprintk("could not get the lock");
542 return -EINTR;
543 }
544 tmp = MAX_MAILBOX_TRY;
545 do {
546 size = dib9000_read_word_attr(state, 1043, attr) & 0xff;
547 if ((size + len + 1) > MBX_MAX_WORDS && --tmp) {
548 dprintk("MBX: RISC mbx full, retrying");
549 msleep(100);
550 } else
551 break;
552 } while (1);
553
554 /*dprintk( "MBX: size: %d", size); */
555
556 if (tmp == 0) {
557 ret = -EINVAL;
558 goto out;
559 }
560 #ifdef DUMP_MSG
561 dprintk("--> %02x %d ", id, len + 1);
562 for (i = 0; i < len; i++)
563 dprintk("%04x ", data[i]);
564 dprintk("\n");
565 #endif
566
567 /* byte-order conversion - works on big (where it is not necessary) or little endian */
568 d = (u8 *) data;
569 for (i = 0; i < len; i++) {
570 tmp = data[i];
571 *d++ = tmp >> 8;
572 *d++ = tmp & 0xff;
573 }
574
575 /* write msg */
576 b[0] = id;
577 b[1] = len + 1;
578 if (dib9000_write16_noinc_attr(state, 1045, b, 2, attr) != 0 || dib9000_write16_noinc_attr(state, 1045, (u8 *) data, len * 2, attr) != 0) {
579 ret = -EIO;
580 goto out;
581 }
582
583 /* update register nb_mes_in_RX */
584 ret = (u8) dib9000_write_word_attr(state, 1043, 1 << 14, attr);
585
586 out:
587 DibReleaseLock(&state->platform.risc.mbx_if_lock);
588
589 return ret;
590 }
591
592 static u8 dib9000_mbx_read(struct dib9000_state *state, u16 * data, u8 risc_id, u16 attr)
593 {
594 #ifdef DUMP_MSG
595 u16 *d = data;
596 #endif
597
598 u16 tmp, i;
599 u8 size;
600 u8 mc_base;
601
602 if (!state->platform.risc.fw_is_running)
603 return 0;
604
605 if (DibAcquireLock(&state->platform.risc.mbx_if_lock) < 0) {
606 dprintk("could not get the lock");
607 return 0;
608 }
609 if (risc_id == 1)
610 mc_base = 16;
611 else
612 mc_base = 0;
613
614 /* Length and type in the first word */
615 *data = dib9000_read_word_attr(state, 1029 + mc_base, attr);
616
617 size = *data & 0xff;
618 if (size <= MBX_MAX_WORDS) {
619 data++;
620 size--; /* Initial word already read */
621
622 dib9000_read16_noinc_attr(state, 1029 + mc_base, (u8 *) data, size * 2, attr);
623
624 /* to word conversion */
625 for (i = 0; i < size; i++) {
626 tmp = *data;
627 *data = (tmp >> 8) | (tmp << 8);
628 data++;
629 }
630
631 #ifdef DUMP_MSG
632 dprintk("<-- ");
633 for (i = 0; i < size + 1; i++)
634 dprintk("%04x ", d[i]);
635 dprintk("\n");
636 #endif
637 } else {
638 dprintk("MBX: message is too big for message cache (%d), flushing message", size);
639 size--; /* Initial word already read */
640 while (size--)
641 dib9000_read16_noinc_attr(state, 1029 + mc_base, (u8 *) data, 2, attr);
642 }
643 /* Update register nb_mes_in_TX */
644 dib9000_write_word_attr(state, 1028 + mc_base, 1 << 14, attr);
645
646 DibReleaseLock(&state->platform.risc.mbx_if_lock);
647
648 return size + 1;
649 }
650
651 static int dib9000_risc_debug_buf(struct dib9000_state *state, u16 * data, u8 size)
652 {
653 u32 ts = data[1] << 16 | data[0];
654 char *b = (char *)&data[2];
655
656 b[2 * (size - 2) - 1] = '\0'; /* Bullet proof the buffer */
657 if (*b == '~') {
658 b++;
659 dprintk(b);
660 } else
661 dprintk("RISC%d: %d.%04d %s", state->fe_id, ts / 10000, ts % 10000, *b ? b : "<emtpy>");
662 return 1;
663 }
664
665 static int dib9000_mbx_fetch_to_cache(struct dib9000_state *state, u16 attr)
666 {
667 int i;
668 u8 size;
669 u16 *block;
670 /* find a free slot */
671 for (i = 0; i < DIB9000_MSG_CACHE_SIZE; i++) {
672 block = state->platform.risc.message_cache[i];
673 if (*block == 0) {
674 size = dib9000_mbx_read(state, block, 1, attr);
675
676 /* dprintk( "MBX: fetched %04x message to cache", *block); */
677
678 switch (*block >> 8) {
679 case IN_MSG_DEBUG_BUF:
680 dib9000_risc_debug_buf(state, block + 1, size); /* debug-messages are going to be printed right away */
681 *block = 0; /* free the block */
682 break;
683 #if 0
684 case IN_MSG_DATA: /* FE-TRACE */
685 dib9000_risc_data_process(state, block + 1, size);
686 *block = 0;
687 break;
688 #endif
689 default:
690 break;
691 }
692
693 return 1;
694 }
695 }
696 dprintk("MBX: no free cache-slot found for new message...");
697 return -1;
698 }
699
700 static u8 dib9000_mbx_count(struct dib9000_state *state, u8 risc_id, u16 attr)
701 {
702 if (risc_id == 0)
703 return (u8) (dib9000_read_word_attr(state, 1028, attr) >> 10) & 0x1f; /* 5 bit field */
704 else
705 return (u8) (dib9000_read_word_attr(state, 1044, attr) >> 8) & 0x7f; /* 7 bit field */
706 }
707
708 static int dib9000_mbx_process(struct dib9000_state *state, u16 attr)
709 {
710 int ret = 0;
711
712 if (!state->platform.risc.fw_is_running)
713 return -1;
714
715 if (DibAcquireLock(&state->platform.risc.mbx_lock) < 0) {
716 dprintk("could not get the lock");
717 return -1;
718 }
719
720 if (dib9000_mbx_count(state, 1, attr)) /* 1=RiscB */
721 ret = dib9000_mbx_fetch_to_cache(state, attr);
722
723 dib9000_read_word_attr(state, 1229, attr); /* Clear the IRQ */
724 /* if (tmp) */
725 /* dprintk( "cleared IRQ: %x", tmp); */
726 DibReleaseLock(&state->platform.risc.mbx_lock);
727
728 return ret;
729 }
730
731 static int dib9000_mbx_get_message_attr(struct dib9000_state *state, u16 id, u16 * msg, u8 * size, u16 attr)
732 {
733 u8 i;
734 u16 *block;
735 u16 timeout = 30;
736
737 *msg = 0;
738 do {
739 /* dib9000_mbx_get_from_cache(); */
740 for (i = 0; i < DIB9000_MSG_CACHE_SIZE; i++) {
741 block = state->platform.risc.message_cache[i];
742 if ((*block >> 8) == id) {
743 *size = (*block & 0xff) - 1;
744 memcpy(msg, block + 1, (*size) * 2);
745 *block = 0; /* free the block */
746 i = 0; /* signal that we found a message */
747 break;
748 }
749 }
750
751 if (i == 0)
752 break;
753
754 if (dib9000_mbx_process(state, attr) == -1) /* try to fetch one message - if any */
755 return -1;
756
757 } while (--timeout);
758
759 if (timeout == 0) {
760 dprintk("waiting for message %d timed out", id);
761 return -1;
762 }
763
764 return i == 0;
765 }
766
767 static int dib9000_risc_check_version(struct dib9000_state *state)
768 {
769 u8 r[4];
770 u8 size;
771 u16 fw_version = 0;
772
773 if (dib9000_mbx_send(state, OUT_MSG_REQ_VERSION, &fw_version, 1) != 0)
774 return -EIO;
775
776 if (dib9000_mbx_get_message(state, IN_MSG_VERSION, (u16 *) r, &size) < 0)
777 return -EIO;
778
779 fw_version = (r[0] << 8) | r[1];
780 dprintk("RISC: ver: %d.%02d (IC: %d)", fw_version >> 10, fw_version & 0x3ff, (r[2] << 8) | r[3]);
781
782 if ((fw_version >> 10) != 7)
783 return -EINVAL;
784
785 switch (fw_version & 0x3ff) {
786 case 11:
787 case 12:
788 case 14:
789 case 15:
790 case 16:
791 case 17:
792 break;
793 default:
794 dprintk("RISC: invalid firmware version");
795 return -EINVAL;
796 }
797
798 dprintk("RISC: valid firmware version");
799 return 0;
800 }
801
802 static int dib9000_fw_boot(struct dib9000_state *state, const u8 * codeA, u32 lenA, const u8 * codeB, u32 lenB)
803 {
804 /* Reconfig pool mac ram */
805 dib9000_write_word(state, 1225, 0x02); /* A: 8k C, 4 k D - B: 32k C 6 k D - IRAM 96k */
806 dib9000_write_word(state, 1226, 0x05);
807
808 /* Toggles IP crypto to Host APB interface. */
809 dib9000_write_word(state, 1542, 1);
810
811 /* Set jump and no jump in the dma box */
812 dib9000_write_word(state, 1074, 0);
813 dib9000_write_word(state, 1075, 0);
814
815 /* Set MAC as APB Master. */
816 dib9000_write_word(state, 1237, 0);
817
818 /* Reset the RISCs */
819 if (codeA != NULL)
820 dib9000_write_word(state, 1024, 2);
821 else
822 dib9000_write_word(state, 1024, 15);
823 if (codeB != NULL)
824 dib9000_write_word(state, 1040, 2);
825
826 if (codeA != NULL)
827 dib9000_firmware_download(state, 0, 0x1234, codeA, lenA);
828 if (codeB != NULL)
829 dib9000_firmware_download(state, 1, 0x1234, codeB, lenB);
830
831 /* Run the RISCs */
832 if (codeA != NULL)
833 dib9000_write_word(state, 1024, 0);
834 if (codeB != NULL)
835 dib9000_write_word(state, 1040, 0);
836
837 if (codeA != NULL)
838 if (dib9000_mbx_host_init(state, 0) != 0)
839 return -EIO;
840 if (codeB != NULL)
841 if (dib9000_mbx_host_init(state, 1) != 0)
842 return -EIO;
843
844 msleep(100);
845 state->platform.risc.fw_is_running = 1;
846
847 if (dib9000_risc_check_version(state) != 0)
848 return -EINVAL;
849
850 state->platform.risc.memcmd = 0xff;
851 return 0;
852 }
853
854 static u16 dib9000_identify(struct i2c_device *client)
855 {
856 u16 value;
857
858 value = dib9000_i2c_read16(client, 896);
859 if (value != 0x01b3) {
860 dprintk("wrong Vendor ID (0x%x)", value);
861 return 0;
862 }
863
864 value = dib9000_i2c_read16(client, 897);
865 if (value != 0x4000 && value != 0x4001 && value != 0x4002 && value != 0x4003 && value != 0x4004 && value != 0x4005) {
866 dprintk("wrong Device ID (0x%x)", value);
867 return 0;
868 }
869
870 /* protect this driver to be used with 7000PC */
871 if (value == 0x4000 && dib9000_i2c_read16(client, 769) == 0x4000) {
872 dprintk("this driver does not work with DiB7000PC");
873 return 0;
874 }
875
876 switch (value) {
877 case 0x4000:
878 dprintk("found DiB7000MA/PA/MB/PB");
879 break;
880 case 0x4001:
881 dprintk("found DiB7000HC");
882 break;
883 case 0x4002:
884 dprintk("found DiB7000MC");
885 break;
886 case 0x4003:
887 dprintk("found DiB9000A");
888 break;
889 case 0x4004:
890 dprintk("found DiB9000H");
891 break;
892 case 0x4005:
893 dprintk("found DiB9000M");
894 break;
895 }
896
897 return value;
898 }
899
900 static void dib9000_set_power_mode(struct dib9000_state *state, enum dib9000_power_mode mode)
901 {
902 /* by default everything is going to be powered off */
903 u16 reg_903 = 0x3fff, reg_904 = 0xffff, reg_905 = 0xffff, reg_906;
904 u8 offset;
905
906 if (state->revision == 0x4003 || state->revision == 0x4004 || state->revision == 0x4005)
907 offset = 1;
908 else
909 offset = 0;
910
911 reg_906 = dib9000_read_word(state, 906 + offset) | 0x3; /* keep settings for RISC */
912
913 /* now, depending on the requested mode, we power on */
914 switch (mode) {
915 /* power up everything in the demod */
916 case DIB9000_POWER_ALL:
917 reg_903 = 0x0000;
918 reg_904 = 0x0000;
919 reg_905 = 0x0000;
920 reg_906 = 0x0000;
921 break;
922
923 /* just leave power on the control-interfaces: GPIO and (I2C or SDIO or SRAM) */
924 case DIB9000_POWER_INTERFACE_ONLY: /* TODO power up either SDIO or I2C or SRAM */
925 reg_905 &= ~((1 << 7) | (1 << 6) | (1 << 5) | (1 << 2));
926 break;
927
928 case DIB9000_POWER_INTERF_ANALOG_AGC:
929 reg_903 &= ~((1 << 15) | (1 << 14) | (1 << 11) | (1 << 10));
930 reg_905 &= ~((1 << 7) | (1 << 6) | (1 << 5) | (1 << 4) | (1 << 2));
931 reg_906 &= ~((1 << 0));
932 break;
933
934 case DIB9000_POWER_COR4_DINTLV_ICIRM_EQUAL_CFROD:
935 reg_903 = 0x0000;
936 reg_904 = 0x801f;
937 reg_905 = 0x0000;
938 reg_906 &= ~((1 << 0));
939 break;
940
941 case DIB9000_POWER_COR4_CRY_ESRAM_MOUT_NUD:
942 reg_903 = 0x0000;
943 reg_904 = 0x8000;
944 reg_905 = 0x010b;
945 reg_906 &= ~((1 << 0));
946 break;
947 default:
948 case DIB9000_POWER_NO:
949 break;
950 }
951
952 /* always power down unused parts */
953 if (!state->platform.host.mobile_mode)
954 reg_904 |= (1 << 7) | (1 << 6) | (1 << 4) | (1 << 2) | (1 << 1);
955
956 /* P_sdio_select_clk = 0 on MC and after */
957 if (state->revision != 0x4000)
958 reg_906 <<= 1;
959
960 dib9000_write_word(state, 903 + offset, reg_903);
961 dib9000_write_word(state, 904 + offset, reg_904);
962 dib9000_write_word(state, 905 + offset, reg_905);
963 dib9000_write_word(state, 906 + offset, reg_906);
964 }
965
966 static int dib9000_fw_reset(struct dvb_frontend *fe)
967 {
968 struct dib9000_state *state = fe->demodulator_priv;
969
970 dib9000_write_word(state, 1817, 0x0003);
971
972 dib9000_write_word(state, 1227, 1);
973 dib9000_write_word(state, 1227, 0);
974
975 switch ((state->revision = dib9000_identify(&state->i2c))) {
976 case 0x4003:
977 case 0x4004:
978 case 0x4005:
979 state->reg_offs = 1;
980 break;
981 default:
982 return -EINVAL;
983 }
984
985 /* reset the i2c-master to use the host interface */
986 dibx000_reset_i2c_master(&state->i2c_master);
987
988 dib9000_set_power_mode(state, DIB9000_POWER_ALL);
989
990 /* unforce divstr regardless whether i2c enumeration was done or not */
991 dib9000_write_word(state, 1794, dib9000_read_word(state, 1794) & ~(1 << 1));
992 dib9000_write_word(state, 1796, 0);
993 dib9000_write_word(state, 1805, 0x805);
994
995 /* restart all parts */
996 dib9000_write_word(state, 898, 0xffff);
997 dib9000_write_word(state, 899, 0xffff);
998 dib9000_write_word(state, 900, 0x0001);
999 dib9000_write_word(state, 901, 0xff19);
1000 dib9000_write_word(state, 902, 0x003c);
1001
1002 dib9000_write_word(state, 898, 0);
1003 dib9000_write_word(state, 899, 0);
1004 dib9000_write_word(state, 900, 0);
1005 dib9000_write_word(state, 901, 0);
1006 dib9000_write_word(state, 902, 0);
1007
1008 dib9000_write_word(state, 911, state->chip.d9.cfg.if_drives);
1009
1010 dib9000_set_power_mode(state, DIB9000_POWER_INTERFACE_ONLY);
1011
1012 return 0;
1013 }
1014
1015 static int dib9000_risc_apb_access_read(struct dib9000_state *state, u32 address, u16 attribute, const u8 * tx, u32 txlen, u8 * b, u32 len)
1016 {
1017 u16 mb[10];
1018 u8 i, s;
1019
1020 if (address >= 1024 || !state->platform.risc.fw_is_running)
1021 return -EINVAL;
1022
1023 /* dprintk( "APB access thru rd fw %d %x", address, attribute); */
1024
1025 mb[0] = (u16) address;
1026 mb[1] = len / 2;
1027 dib9000_mbx_send_attr(state, OUT_MSG_BRIDGE_APB_R, mb, 2, attribute);
1028 switch (dib9000_mbx_get_message_attr(state, IN_MSG_END_BRIDGE_APB_RW, mb, &s, attribute)) {
1029 case 1:
1030 s--;
1031 for (i = 0; i < s; i++) {
1032 b[i * 2] = (mb[i + 1] >> 8) & 0xff;
1033 b[i * 2 + 1] = (mb[i + 1]) & 0xff;
1034 }
1035 return 0;
1036 default:
1037 return -EIO;
1038 }
1039 return -EIO;
1040 }
1041
1042 static int dib9000_risc_apb_access_write(struct dib9000_state *state, u32 address, u16 attribute, const u8 * b, u32 len)
1043 {
1044 u16 mb[10];
1045 u8 s, i;
1046
1047 if (address >= 1024 || !state->platform.risc.fw_is_running)
1048 return -EINVAL;
1049
1050 /* dprintk( "APB access thru wr fw %d %x", address, attribute); */
1051
1052 mb[0] = (unsigned short)address;
1053 for (i = 0; i < len && i < 20; i += 2)
1054 mb[1 + (i / 2)] = (b[i] << 8 | b[i + 1]);
1055
1056 dib9000_mbx_send_attr(state, OUT_MSG_BRIDGE_APB_W, mb, 1 + len / 2, attribute);
1057 return dib9000_mbx_get_message_attr(state, IN_MSG_END_BRIDGE_APB_RW, mb, &s, attribute) == 1 ? 0 : -EINVAL;
1058 }
1059
1060 static int dib9000_fw_memmbx_sync(struct dib9000_state *state, u8 i)
1061 {
1062 u8 index_loop = 10;
1063
1064 if (!state->platform.risc.fw_is_running)
1065 return 0;
1066 dib9000_risc_mem_write(state, FE_MM_RW_SYNC, &i);
1067 do {
1068 dib9000_risc_mem_read(state, FE_MM_RW_SYNC, state->i2c_read_buffer, 1);
1069 } while (state->i2c_read_buffer[0] && index_loop--);
1070
1071 if (index_loop > 0)
1072 return 0;
1073 return -EIO;
1074 }
1075
1076 static int dib9000_fw_init(struct dib9000_state *state)
1077 {
1078 struct dibGPIOFunction *f;
1079 u16 b[40] = { 0 };
1080 u8 i;
1081 u8 size;
1082
1083 if (dib9000_fw_boot(state, NULL, 0, state->chip.d9.cfg.microcode_B_fe_buffer, state->chip.d9.cfg.microcode_B_fe_size) != 0)
1084 return -EIO;
1085
1086 /* initialize the firmware */
1087 for (i = 0; i < ARRAY_SIZE(state->chip.d9.cfg.gpio_function); i++) {
1088 f = &state->chip.d9.cfg.gpio_function[i];
1089 if (f->mask) {
1090 switch (f->function) {
1091 case BOARD_GPIO_FUNCTION_COMPONENT_ON:
1092 b[0] = (u16) f->mask;
1093 b[1] = (u16) f->direction;
1094 b[2] = (u16) f->value;
1095 break;
1096 case BOARD_GPIO_FUNCTION_COMPONENT_OFF:
1097 b[3] = (u16) f->mask;
1098 b[4] = (u16) f->direction;
1099 b[5] = (u16) f->value;
1100 break;
1101 }
1102 }
1103 }
1104 if (dib9000_mbx_send(state, OUT_MSG_CONF_GPIO, b, 15) != 0)
1105 return -EIO;
1106
1107 /* subband */
1108 b[0] = state->chip.d9.cfg.subband.size; /* type == 0 -> GPIO - PWM not yet supported */
1109 for (i = 0; i < state->chip.d9.cfg.subband.size; i++) {
1110 b[1 + i * 4] = state->chip.d9.cfg.subband.subband[i].f_mhz;
1111 b[2 + i * 4] = (u16) state->chip.d9.cfg.subband.subband[i].gpio.mask;
1112 b[3 + i * 4] = (u16) state->chip.d9.cfg.subband.subband[i].gpio.direction;
1113 b[4 + i * 4] = (u16) state->chip.d9.cfg.subband.subband[i].gpio.value;
1114 }
1115 b[1 + i * 4] = 0; /* fe_id */
1116 if (dib9000_mbx_send(state, OUT_MSG_SUBBAND_SEL, b, 2 + 4 * i) != 0)
1117 return -EIO;
1118
1119 /* 0 - id, 1 - no_of_frontends */
1120 b[0] = (0 << 8) | 1;
1121 /* 0 = i2c-address demod, 0 = tuner */
1122 b[1] = (0 << 8) | (0);
1123 b[2] = (u16) (((state->chip.d9.cfg.xtal_clock_khz * 1000) >> 16) & 0xffff);
1124 b[3] = (u16) (((state->chip.d9.cfg.xtal_clock_khz * 1000)) & 0xffff);
1125 b[4] = (u16) ((state->chip.d9.cfg.vcxo_timer >> 16) & 0xffff);
1126 b[5] = (u16) ((state->chip.d9.cfg.vcxo_timer) & 0xffff);
1127 b[6] = (u16) ((state->chip.d9.cfg.timing_frequency >> 16) & 0xffff);
1128 b[7] = (u16) ((state->chip.d9.cfg.timing_frequency) & 0xffff);
1129 b[29] = state->chip.d9.cfg.if_drives;
1130 if (dib9000_mbx_send(state, OUT_MSG_INIT_DEMOD, b, ARRAY_SIZE(b)) != 0)
1131 return -EIO;
1132
1133 if (dib9000_mbx_send(state, OUT_MSG_FE_FW_DL, NULL, 0) != 0)
1134 return -EIO;
1135
1136 if (dib9000_mbx_get_message(state, IN_MSG_FE_FW_DL_DONE, b, &size) < 0)
1137 return -EIO;
1138
1139 if (size > ARRAY_SIZE(b)) {
1140 dprintk("error : firmware returned %dbytes needed but the used buffer has only %dbytes\n Firmware init ABORTED", size,
1141 (int)ARRAY_SIZE(b));
1142 return -EINVAL;
1143 }
1144
1145 for (i = 0; i < size; i += 2) {
1146 state->platform.risc.fe_mm[i / 2].addr = b[i + 0];
1147 state->platform.risc.fe_mm[i / 2].size = b[i + 1];
1148 }
1149
1150 return 0;
1151 }
1152
1153 static void dib9000_fw_set_channel_head(struct dib9000_state *state)
1154 {
1155 u8 b[9];
1156 u32 freq = state->fe[0]->dtv_property_cache.frequency / 1000;
1157 if (state->fe_id % 2)
1158 freq += 101;
1159
1160 b[0] = (u8) ((freq >> 0) & 0xff);
1161 b[1] = (u8) ((freq >> 8) & 0xff);
1162 b[2] = (u8) ((freq >> 16) & 0xff);
1163 b[3] = (u8) ((freq >> 24) & 0xff);
1164 b[4] = (u8) ((state->fe[0]->dtv_property_cache.bandwidth_hz / 1000 >> 0) & 0xff);
1165 b[5] = (u8) ((state->fe[0]->dtv_property_cache.bandwidth_hz / 1000 >> 8) & 0xff);
1166 b[6] = (u8) ((state->fe[0]->dtv_property_cache.bandwidth_hz / 1000 >> 16) & 0xff);
1167 b[7] = (u8) ((state->fe[0]->dtv_property_cache.bandwidth_hz / 1000 >> 24) & 0xff);
1168 b[8] = 0x80; /* do not wait for CELL ID when doing autosearch */
1169 if (state->fe[0]->dtv_property_cache.delivery_system == SYS_DVBT)
1170 b[8] |= 1;
1171 dib9000_risc_mem_write(state, FE_MM_W_CHANNEL_HEAD, b);
1172 }
1173
1174 static int dib9000_fw_get_channel(struct dvb_frontend *fe)
1175 {
1176 struct dib9000_state *state = fe->demodulator_priv;
1177 struct dibDVBTChannel {
1178 s8 spectrum_inversion;
1179
1180 s8 nfft;
1181 s8 guard;
1182 s8 constellation;
1183
1184 s8 hrch;
1185 s8 alpha;
1186 s8 code_rate_hp;
1187 s8 code_rate_lp;
1188 s8 select_hp;
1189
1190 s8 intlv_native;
1191 };
1192 struct dibDVBTChannel *ch;
1193 int ret = 0;
1194
1195 if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) {
1196 dprintk("could not get the lock");
1197 return -EINTR;
1198 }
1199 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
1200 ret = -EIO;
1201 goto error;
1202 }
1203
1204 dib9000_risc_mem_read(state, FE_MM_R_CHANNEL_UNION,
1205 state->i2c_read_buffer, sizeof(struct dibDVBTChannel));
1206 ch = (struct dibDVBTChannel *)state->i2c_read_buffer;
1207
1208
1209 switch (ch->spectrum_inversion & 0x7) {
1210 case 1:
1211 state->fe[0]->dtv_property_cache.inversion = INVERSION_ON;
1212 break;
1213 case 0:
1214 state->fe[0]->dtv_property_cache.inversion = INVERSION_OFF;
1215 break;
1216 default:
1217 case -1:
1218 state->fe[0]->dtv_property_cache.inversion = INVERSION_AUTO;
1219 break;
1220 }
1221 switch (ch->nfft) {
1222 case 0:
1223 state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_2K;
1224 break;
1225 case 2:
1226 state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_4K;
1227 break;
1228 case 1:
1229 state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K;
1230 break;
1231 default:
1232 case -1:
1233 state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_AUTO;
1234 break;
1235 }
1236 switch (ch->guard) {
1237 case 0:
1238 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_32;
1239 break;
1240 case 1:
1241 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_16;
1242 break;
1243 case 2:
1244 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8;
1245 break;
1246 case 3:
1247 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_4;
1248 break;
1249 default:
1250 case -1:
1251 state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_AUTO;
1252 break;
1253 }
1254 switch (ch->constellation) {
1255 case 2:
1256 state->fe[0]->dtv_property_cache.modulation = QAM_64;
1257 break;
1258 case 1:
1259 state->fe[0]->dtv_property_cache.modulation = QAM_16;
1260 break;
1261 case 0:
1262 state->fe[0]->dtv_property_cache.modulation = QPSK;
1263 break;
1264 default:
1265 case -1:
1266 state->fe[0]->dtv_property_cache.modulation = QAM_AUTO;
1267 break;
1268 }
1269 switch (ch->hrch) {
1270 case 0:
1271 state->fe[0]->dtv_property_cache.hierarchy = HIERARCHY_NONE;
1272 break;
1273 case 1:
1274 state->fe[0]->dtv_property_cache.hierarchy = HIERARCHY_1;
1275 break;
1276 default:
1277 case -1:
1278 state->fe[0]->dtv_property_cache.hierarchy = HIERARCHY_AUTO;
1279 break;
1280 }
1281 switch (ch->code_rate_hp) {
1282 case 1:
1283 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_1_2;
1284 break;
1285 case 2:
1286 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_2_3;
1287 break;
1288 case 3:
1289 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_3_4;
1290 break;
1291 case 5:
1292 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_5_6;
1293 break;
1294 case 7:
1295 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_7_8;
1296 break;
1297 default:
1298 case -1:
1299 state->fe[0]->dtv_property_cache.code_rate_HP = FEC_AUTO;
1300 break;
1301 }
1302 switch (ch->code_rate_lp) {
1303 case 1:
1304 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_1_2;
1305 break;
1306 case 2:
1307 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_2_3;
1308 break;
1309 case 3:
1310 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_3_4;
1311 break;
1312 case 5:
1313 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_5_6;
1314 break;
1315 case 7:
1316 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_7_8;
1317 break;
1318 default:
1319 case -1:
1320 state->fe[0]->dtv_property_cache.code_rate_LP = FEC_AUTO;
1321 break;
1322 }
1323
1324 error:
1325 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
1326 return ret;
1327 }
1328
1329 static int dib9000_fw_set_channel_union(struct dvb_frontend *fe)
1330 {
1331 struct dib9000_state *state = fe->demodulator_priv;
1332 struct dibDVBTChannel {
1333 s8 spectrum_inversion;
1334
1335 s8 nfft;
1336 s8 guard;
1337 s8 constellation;
1338
1339 s8 hrch;
1340 s8 alpha;
1341 s8 code_rate_hp;
1342 s8 code_rate_lp;
1343 s8 select_hp;
1344
1345 s8 intlv_native;
1346 };
1347 struct dibDVBTChannel ch;
1348
1349 switch (state->fe[0]->dtv_property_cache.inversion) {
1350 case INVERSION_ON:
1351 ch.spectrum_inversion = 1;
1352 break;
1353 case INVERSION_OFF:
1354 ch.spectrum_inversion = 0;
1355 break;
1356 default:
1357 case INVERSION_AUTO:
1358 ch.spectrum_inversion = -1;
1359 break;
1360 }
1361 switch (state->fe[0]->dtv_property_cache.transmission_mode) {
1362 case TRANSMISSION_MODE_2K:
1363 ch.nfft = 0;
1364 break;
1365 case TRANSMISSION_MODE_4K:
1366 ch.nfft = 2;
1367 break;
1368 case TRANSMISSION_MODE_8K:
1369 ch.nfft = 1;
1370 break;
1371 default:
1372 case TRANSMISSION_MODE_AUTO:
1373 ch.nfft = 1;
1374 break;
1375 }
1376 switch (state->fe[0]->dtv_property_cache.guard_interval) {
1377 case GUARD_INTERVAL_1_32:
1378 ch.guard = 0;
1379 break;
1380 case GUARD_INTERVAL_1_16:
1381 ch.guard = 1;
1382 break;
1383 case GUARD_INTERVAL_1_8:
1384 ch.guard = 2;
1385 break;
1386 case GUARD_INTERVAL_1_4:
1387 ch.guard = 3;
1388 break;
1389 default:
1390 case GUARD_INTERVAL_AUTO:
1391 ch.guard = -1;
1392 break;
1393 }
1394 switch (state->fe[0]->dtv_property_cache.modulation) {
1395 case QAM_64:
1396 ch.constellation = 2;
1397 break;
1398 case QAM_16:
1399 ch.constellation = 1;
1400 break;
1401 case QPSK:
1402 ch.constellation = 0;
1403 break;
1404 default:
1405 case QAM_AUTO:
1406 ch.constellation = -1;
1407 break;
1408 }
1409 switch (state->fe[0]->dtv_property_cache.hierarchy) {
1410 case HIERARCHY_NONE:
1411 ch.hrch = 0;
1412 break;
1413 case HIERARCHY_1:
1414 case HIERARCHY_2:
1415 case HIERARCHY_4:
1416 ch.hrch = 1;
1417 break;
1418 default:
1419 case HIERARCHY_AUTO:
1420 ch.hrch = -1;
1421 break;
1422 }
1423 ch.alpha = 1;
1424 switch (state->fe[0]->dtv_property_cache.code_rate_HP) {
1425 case FEC_1_2:
1426 ch.code_rate_hp = 1;
1427 break;
1428 case FEC_2_3:
1429 ch.code_rate_hp = 2;
1430 break;
1431 case FEC_3_4:
1432 ch.code_rate_hp = 3;
1433 break;
1434 case FEC_5_6:
1435 ch.code_rate_hp = 5;
1436 break;
1437 case FEC_7_8:
1438 ch.code_rate_hp = 7;
1439 break;
1440 default:
1441 case FEC_AUTO:
1442 ch.code_rate_hp = -1;
1443 break;
1444 }
1445 switch (state->fe[0]->dtv_property_cache.code_rate_LP) {
1446 case FEC_1_2:
1447 ch.code_rate_lp = 1;
1448 break;
1449 case FEC_2_3:
1450 ch.code_rate_lp = 2;
1451 break;
1452 case FEC_3_4:
1453 ch.code_rate_lp = 3;
1454 break;
1455 case FEC_5_6:
1456 ch.code_rate_lp = 5;
1457 break;
1458 case FEC_7_8:
1459 ch.code_rate_lp = 7;
1460 break;
1461 default:
1462 case FEC_AUTO:
1463 ch.code_rate_lp = -1;
1464 break;
1465 }
1466 ch.select_hp = 1;
1467 ch.intlv_native = 1;
1468
1469 dib9000_risc_mem_write(state, FE_MM_W_CHANNEL_UNION, (u8 *) &ch);
1470
1471 return 0;
1472 }
1473
1474 static int dib9000_fw_tune(struct dvb_frontend *fe)
1475 {
1476 struct dib9000_state *state = fe->demodulator_priv;
1477 int ret = 10, search = state->channel_status.status == CHANNEL_STATUS_PARAMETERS_UNKNOWN;
1478 s8 i;
1479
1480 switch (state->tune_state) {
1481 case CT_DEMOD_START:
1482 dib9000_fw_set_channel_head(state);
1483
1484 /* write the channel context - a channel is initialized to 0, so it is OK */
1485 dib9000_risc_mem_write(state, FE_MM_W_CHANNEL_CONTEXT, (u8 *) fe_info);
1486 dib9000_risc_mem_write(state, FE_MM_W_FE_INFO, (u8 *) fe_info);
1487
1488 if (search)
1489 dib9000_mbx_send(state, OUT_MSG_FE_CHANNEL_SEARCH, NULL, 0);
1490 else {
1491 dib9000_fw_set_channel_union(fe);
1492 dib9000_mbx_send(state, OUT_MSG_FE_CHANNEL_TUNE, NULL, 0);
1493 }
1494 state->tune_state = CT_DEMOD_STEP_1;
1495 break;
1496 case CT_DEMOD_STEP_1:
1497 if (search)
1498 dib9000_risc_mem_read(state, FE_MM_R_CHANNEL_SEARCH_STATE, state->i2c_read_buffer, 1);
1499 else
1500 dib9000_risc_mem_read(state, FE_MM_R_CHANNEL_TUNE_STATE, state->i2c_read_buffer, 1);
1501 i = (s8)state->i2c_read_buffer[0];
1502 switch (i) { /* something happened */
1503 case 0:
1504 break;
1505 case -2: /* tps locks are "slower" than MPEG locks -> even in autosearch data is OK here */
1506 if (search)
1507 state->status = FE_STATUS_DEMOD_SUCCESS;
1508 else {
1509 state->tune_state = CT_DEMOD_STOP;
1510 state->status = FE_STATUS_LOCKED;
1511 }
1512 break;
1513 default:
1514 state->status = FE_STATUS_TUNE_FAILED;
1515 state->tune_state = CT_DEMOD_STOP;
1516 break;
1517 }
1518 break;
1519 default:
1520 ret = FE_CALLBACK_TIME_NEVER;
1521 break;
1522 }
1523
1524 return ret;
1525 }
1526
1527 static int dib9000_fw_set_diversity_in(struct dvb_frontend *fe, int onoff)
1528 {
1529 struct dib9000_state *state = fe->demodulator_priv;
1530 u16 mode = (u16) onoff;
1531 return dib9000_mbx_send(state, OUT_MSG_ENABLE_DIVERSITY, &mode, 1);
1532 }
1533
1534 static int dib9000_fw_set_output_mode(struct dvb_frontend *fe, int mode)
1535 {
1536 struct dib9000_state *state = fe->demodulator_priv;
1537 u16 outreg, smo_mode;
1538
1539 dprintk("setting output mode for demod %p to %d", fe, mode);
1540
1541 switch (mode) {
1542 case OUTMODE_MPEG2_PAR_GATED_CLK:
1543 outreg = (1 << 10); /* 0x0400 */
1544 break;
1545 case OUTMODE_MPEG2_PAR_CONT_CLK:
1546 outreg = (1 << 10) | (1 << 6); /* 0x0440 */
1547 break;
1548 case OUTMODE_MPEG2_SERIAL:
1549 outreg = (1 << 10) | (2 << 6) | (0 << 1); /* 0x0482 */
1550 break;
1551 case OUTMODE_DIVERSITY:
1552 outreg = (1 << 10) | (4 << 6); /* 0x0500 */
1553 break;
1554 case OUTMODE_MPEG2_FIFO:
1555 outreg = (1 << 10) | (5 << 6);
1556 break;
1557 case OUTMODE_HIGH_Z:
1558 outreg = 0;
1559 break;
1560 default:
1561 dprintk("Unhandled output_mode passed to be set for demod %p", &state->fe[0]);
1562 return -EINVAL;
1563 }
1564
1565 dib9000_write_word(state, 1795, outreg);
1566
1567 switch (mode) {
1568 case OUTMODE_MPEG2_PAR_GATED_CLK:
1569 case OUTMODE_MPEG2_PAR_CONT_CLK:
1570 case OUTMODE_MPEG2_SERIAL:
1571 case OUTMODE_MPEG2_FIFO:
1572 smo_mode = (dib9000_read_word(state, 295) & 0x0010) | (1 << 1);
1573 if (state->chip.d9.cfg.output_mpeg2_in_188_bytes)
1574 smo_mode |= (1 << 5);
1575 dib9000_write_word(state, 295, smo_mode);
1576 break;
1577 }
1578
1579 outreg = to_fw_output_mode(mode);
1580 return dib9000_mbx_send(state, OUT_MSG_SET_OUTPUT_MODE, &outreg, 1);
1581 }
1582
1583 static int dib9000_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
1584 {
1585 struct dib9000_state *state = i2c_get_adapdata(i2c_adap);
1586 u16 i, len, t, index_msg;
1587
1588 for (index_msg = 0; index_msg < num; index_msg++) {
1589 if (msg[index_msg].flags & I2C_M_RD) { /* read */
1590 len = msg[index_msg].len;
1591 if (len > 16)
1592 len = 16;
1593
1594 if (dib9000_read_word(state, 790) != 0)
1595 dprintk("TunerITF: read busy");
1596
1597 dib9000_write_word(state, 784, (u16) (msg[index_msg].addr));
1598 dib9000_write_word(state, 787, (len / 2) - 1);
1599 dib9000_write_word(state, 786, 1); /* start read */
1600
1601 i = 1000;
1602 while (dib9000_read_word(state, 790) != (len / 2) && i)
1603 i--;
1604
1605 if (i == 0)
1606 dprintk("TunerITF: read failed");
1607
1608 for (i = 0; i < len; i += 2) {
1609 t = dib9000_read_word(state, 785);
1610 msg[index_msg].buf[i] = (t >> 8) & 0xff;
1611 msg[index_msg].buf[i + 1] = (t) & 0xff;
1612 }
1613 if (dib9000_read_word(state, 790) != 0)
1614 dprintk("TunerITF: read more data than expected");
1615 } else {
1616 i = 1000;
1617 while (dib9000_read_word(state, 789) && i)
1618 i--;
1619 if (i == 0)
1620 dprintk("TunerITF: write busy");
1621
1622 len = msg[index_msg].len;
1623 if (len > 16)
1624 len = 16;
1625
1626 for (i = 0; i < len; i += 2)
1627 dib9000_write_word(state, 785, (msg[index_msg].buf[i] << 8) | msg[index_msg].buf[i + 1]);
1628 dib9000_write_word(state, 784, (u16) msg[index_msg].addr);
1629 dib9000_write_word(state, 787, (len / 2) - 1);
1630 dib9000_write_word(state, 786, 0); /* start write */
1631
1632 i = 1000;
1633 while (dib9000_read_word(state, 791) > 0 && i)
1634 i--;
1635 if (i == 0)
1636 dprintk("TunerITF: write failed");
1637 }
1638 }
1639 return num;
1640 }
1641
1642 int dib9000_fw_set_component_bus_speed(struct dvb_frontend *fe, u16 speed)
1643 {
1644 struct dib9000_state *state = fe->demodulator_priv;
1645
1646 state->component_bus_speed = speed;
1647 return 0;
1648 }
1649 EXPORT_SYMBOL(dib9000_fw_set_component_bus_speed);
1650
1651 static int dib9000_fw_component_bus_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
1652 {
1653 struct dib9000_state *state = i2c_get_adapdata(i2c_adap);
1654 u8 type = 0; /* I2C */
1655 u8 port = DIBX000_I2C_INTERFACE_GPIO_3_4;
1656 u16 scl = state->component_bus_speed; /* SCL frequency */
1657 struct dib9000_fe_memory_map *m = &state->platform.risc.fe_mm[FE_MM_RW_COMPONENT_ACCESS_BUFFER];
1658 u8 p[13] = { 0 };
1659
1660 p[0] = type;
1661 p[1] = port;
1662 p[2] = msg[0].addr << 1;
1663
1664 p[3] = (u8) scl & 0xff; /* scl */
1665 p[4] = (u8) (scl >> 8);
1666
1667 p[7] = 0;
1668 p[8] = 0;
1669
1670 p[9] = (u8) (msg[0].len);
1671 p[10] = (u8) (msg[0].len >> 8);
1672 if ((num > 1) && (msg[1].flags & I2C_M_RD)) {
1673 p[11] = (u8) (msg[1].len);
1674 p[12] = (u8) (msg[1].len >> 8);
1675 } else {
1676 p[11] = 0;
1677 p[12] = 0;
1678 }
1679
1680 if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) {
1681 dprintk("could not get the lock");
1682 return 0;
1683 }
1684
1685 dib9000_risc_mem_write(state, FE_MM_W_COMPONENT_ACCESS, p);
1686
1687 { /* write-part */
1688 dib9000_risc_mem_setup_cmd(state, m->addr, msg[0].len, 0);
1689 dib9000_risc_mem_write_chunks(state, msg[0].buf, msg[0].len);
1690 }
1691
1692 /* do the transaction */
1693 if (dib9000_fw_memmbx_sync(state, FE_SYNC_COMPONENT_ACCESS) < 0) {
1694 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
1695 return 0;
1696 }
1697
1698 /* read back any possible result */
1699 if ((num > 1) && (msg[1].flags & I2C_M_RD))
1700 dib9000_risc_mem_read(state, FE_MM_RW_COMPONENT_ACCESS_BUFFER, msg[1].buf, msg[1].len);
1701
1702 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
1703
1704 return num;
1705 }
1706
1707 static u32 dib9000_i2c_func(struct i2c_adapter *adapter)
1708 {
1709 return I2C_FUNC_I2C;
1710 }
1711
1712 static struct i2c_algorithm dib9000_tuner_algo = {
1713 .master_xfer = dib9000_tuner_xfer,
1714 .functionality = dib9000_i2c_func,
1715 };
1716
1717 static struct i2c_algorithm dib9000_component_bus_algo = {
1718 .master_xfer = dib9000_fw_component_bus_xfer,
1719 .functionality = dib9000_i2c_func,
1720 };
1721
1722 struct i2c_adapter *dib9000_get_tuner_interface(struct dvb_frontend *fe)
1723 {
1724 struct dib9000_state *st = fe->demodulator_priv;
1725 return &st->tuner_adap;
1726 }
1727 EXPORT_SYMBOL(dib9000_get_tuner_interface);
1728
1729 struct i2c_adapter *dib9000_get_component_bus_interface(struct dvb_frontend *fe)
1730 {
1731 struct dib9000_state *st = fe->demodulator_priv;
1732 return &st->component_bus;
1733 }
1734 EXPORT_SYMBOL(dib9000_get_component_bus_interface);
1735
1736 struct i2c_adapter *dib9000_get_i2c_master(struct dvb_frontend *fe, enum dibx000_i2c_interface intf, int gating)
1737 {
1738 struct dib9000_state *st = fe->demodulator_priv;
1739 return dibx000_get_i2c_adapter(&st->i2c_master, intf, gating);
1740 }
1741 EXPORT_SYMBOL(dib9000_get_i2c_master);
1742
1743 int dib9000_set_i2c_adapter(struct dvb_frontend *fe, struct i2c_adapter *i2c)
1744 {
1745 struct dib9000_state *st = fe->demodulator_priv;
1746
1747 st->i2c.i2c_adap = i2c;
1748 return 0;
1749 }
1750 EXPORT_SYMBOL(dib9000_set_i2c_adapter);
1751
1752 static int dib9000_cfg_gpio(struct dib9000_state *st, u8 num, u8 dir, u8 val)
1753 {
1754 st->gpio_dir = dib9000_read_word(st, 773);
1755 st->gpio_dir &= ~(1 << num); /* reset the direction bit */
1756 st->gpio_dir |= (dir & 0x1) << num; /* set the new direction */
1757 dib9000_write_word(st, 773, st->gpio_dir);
1758
1759 st->gpio_val = dib9000_read_word(st, 774);
1760 st->gpio_val &= ~(1 << num); /* reset the direction bit */
1761 st->gpio_val |= (val & 0x01) << num; /* set the new value */
1762 dib9000_write_word(st, 774, st->gpio_val);
1763
1764 dprintk("gpio dir: %04x: gpio val: %04x", st->gpio_dir, st->gpio_val);
1765
1766 return 0;
1767 }
1768
1769 int dib9000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val)
1770 {
1771 struct dib9000_state *state = fe->demodulator_priv;
1772 return dib9000_cfg_gpio(state, num, dir, val);
1773 }
1774 EXPORT_SYMBOL(dib9000_set_gpio);
1775
1776 int dib9000_fw_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
1777 {
1778 struct dib9000_state *state = fe->demodulator_priv;
1779 u16 val;
1780 int ret;
1781
1782 if ((state->pid_ctrl_index != -2) && (state->pid_ctrl_index < 9)) {
1783 /* postpone the pid filtering cmd */
1784 dprintk("pid filter cmd postpone");
1785 state->pid_ctrl_index++;
1786 state->pid_ctrl[state->pid_ctrl_index].cmd = DIB9000_PID_FILTER_CTRL;
1787 state->pid_ctrl[state->pid_ctrl_index].onoff = onoff;
1788 return 0;
1789 }
1790
1791 if (DibAcquireLock(&state->demod_lock) < 0) {
1792 dprintk("could not get the lock");
1793 return -EINTR;
1794 }
1795
1796 val = dib9000_read_word(state, 294 + 1) & 0xffef;
1797 val |= (onoff & 0x1) << 4;
1798
1799 dprintk("PID filter enabled %d", onoff);
1800 ret = dib9000_write_word(state, 294 + 1, val);
1801 DibReleaseLock(&state->demod_lock);
1802 return ret;
1803
1804 }
1805 EXPORT_SYMBOL(dib9000_fw_pid_filter_ctrl);
1806
1807 int dib9000_fw_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
1808 {
1809 struct dib9000_state *state = fe->demodulator_priv;
1810 int ret;
1811
1812 if (state->pid_ctrl_index != -2) {
1813 /* postpone the pid filtering cmd */
1814 dprintk("pid filter postpone");
1815 if (state->pid_ctrl_index < 9) {
1816 state->pid_ctrl_index++;
1817 state->pid_ctrl[state->pid_ctrl_index].cmd = DIB9000_PID_FILTER;
1818 state->pid_ctrl[state->pid_ctrl_index].id = id;
1819 state->pid_ctrl[state->pid_ctrl_index].pid = pid;
1820 state->pid_ctrl[state->pid_ctrl_index].onoff = onoff;
1821 } else
1822 dprintk("can not add any more pid ctrl cmd");
1823 return 0;
1824 }
1825
1826 if (DibAcquireLock(&state->demod_lock) < 0) {
1827 dprintk("could not get the lock");
1828 return -EINTR;
1829 }
1830 dprintk("Index %x, PID %d, OnOff %d", id, pid, onoff);
1831 ret = dib9000_write_word(state, 300 + 1 + id,
1832 onoff ? (1 << 13) | pid : 0);
1833 DibReleaseLock(&state->demod_lock);
1834 return ret;
1835 }
1836 EXPORT_SYMBOL(dib9000_fw_pid_filter);
1837
1838 int dib9000_firmware_post_pll_init(struct dvb_frontend *fe)
1839 {
1840 struct dib9000_state *state = fe->demodulator_priv;
1841 return dib9000_fw_init(state);
1842 }
1843 EXPORT_SYMBOL(dib9000_firmware_post_pll_init);
1844
1845 static void dib9000_release(struct dvb_frontend *demod)
1846 {
1847 struct dib9000_state *st = demod->demodulator_priv;
1848 u8 index_frontend;
1849
1850 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (st->fe[index_frontend] != NULL); index_frontend++)
1851 dvb_frontend_detach(st->fe[index_frontend]);
1852
1853 DibFreeLock(&state->platform.risc.mbx_if_lock);
1854 DibFreeLock(&state->platform.risc.mbx_lock);
1855 DibFreeLock(&state->platform.risc.mem_lock);
1856 DibFreeLock(&state->platform.risc.mem_mbx_lock);
1857 DibFreeLock(&state->demod_lock);
1858 dibx000_exit_i2c_master(&st->i2c_master);
1859
1860 i2c_del_adapter(&st->tuner_adap);
1861 i2c_del_adapter(&st->component_bus);
1862 kfree(st->fe[0]);
1863 kfree(st);
1864 }
1865
1866 static int dib9000_wakeup(struct dvb_frontend *fe)
1867 {
1868 return 0;
1869 }
1870
1871 static int dib9000_sleep(struct dvb_frontend *fe)
1872 {
1873 struct dib9000_state *state = fe->demodulator_priv;
1874 u8 index_frontend;
1875 int ret = 0;
1876
1877 if (DibAcquireLock(&state->demod_lock) < 0) {
1878 dprintk("could not get the lock");
1879 return -EINTR;
1880 }
1881 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1882 ret = state->fe[index_frontend]->ops.sleep(state->fe[index_frontend]);
1883 if (ret < 0)
1884 goto error;
1885 }
1886 ret = dib9000_mbx_send(state, OUT_MSG_FE_SLEEP, NULL, 0);
1887
1888 error:
1889 DibReleaseLock(&state->demod_lock);
1890 return ret;
1891 }
1892
1893 static int dib9000_fe_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune)
1894 {
1895 tune->min_delay_ms = 1000;
1896 return 0;
1897 }
1898
1899 static int dib9000_get_frontend(struct dvb_frontend *fe)
1900 {
1901 struct dib9000_state *state = fe->demodulator_priv;
1902 u8 index_frontend, sub_index_frontend;
1903 fe_status_t stat;
1904 int ret = 0;
1905
1906 if (state->get_frontend_internal == 0) {
1907 if (DibAcquireLock(&state->demod_lock) < 0) {
1908 dprintk("could not get the lock");
1909 return -EINTR;
1910 }
1911 }
1912
1913 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1914 state->fe[index_frontend]->ops.read_status(state->fe[index_frontend], &stat);
1915 if (stat & FE_HAS_SYNC) {
1916 dprintk("TPS lock on the slave%i", index_frontend);
1917
1918 /* synchronize the cache with the other frontends */
1919 state->fe[index_frontend]->ops.get_frontend(state->fe[index_frontend]);
1920 for (sub_index_frontend = 0; (sub_index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[sub_index_frontend] != NULL);
1921 sub_index_frontend++) {
1922 if (sub_index_frontend != index_frontend) {
1923 state->fe[sub_index_frontend]->dtv_property_cache.modulation =
1924 state->fe[index_frontend]->dtv_property_cache.modulation;
1925 state->fe[sub_index_frontend]->dtv_property_cache.inversion =
1926 state->fe[index_frontend]->dtv_property_cache.inversion;
1927 state->fe[sub_index_frontend]->dtv_property_cache.transmission_mode =
1928 state->fe[index_frontend]->dtv_property_cache.transmission_mode;
1929 state->fe[sub_index_frontend]->dtv_property_cache.guard_interval =
1930 state->fe[index_frontend]->dtv_property_cache.guard_interval;
1931 state->fe[sub_index_frontend]->dtv_property_cache.hierarchy =
1932 state->fe[index_frontend]->dtv_property_cache.hierarchy;
1933 state->fe[sub_index_frontend]->dtv_property_cache.code_rate_HP =
1934 state->fe[index_frontend]->dtv_property_cache.code_rate_HP;
1935 state->fe[sub_index_frontend]->dtv_property_cache.code_rate_LP =
1936 state->fe[index_frontend]->dtv_property_cache.code_rate_LP;
1937 state->fe[sub_index_frontend]->dtv_property_cache.rolloff =
1938 state->fe[index_frontend]->dtv_property_cache.rolloff;
1939 }
1940 }
1941 ret = 0;
1942 goto return_value;
1943 }
1944 }
1945
1946 /* get the channel from master chip */
1947 ret = dib9000_fw_get_channel(fe);
1948 if (ret != 0)
1949 goto return_value;
1950
1951 /* synchronize the cache with the other frontends */
1952 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
1953 state->fe[index_frontend]->dtv_property_cache.inversion = fe->dtv_property_cache.inversion;
1954 state->fe[index_frontend]->dtv_property_cache.transmission_mode = fe->dtv_property_cache.transmission_mode;
1955 state->fe[index_frontend]->dtv_property_cache.guard_interval = fe->dtv_property_cache.guard_interval;
1956 state->fe[index_frontend]->dtv_property_cache.modulation = fe->dtv_property_cache.modulation;
1957 state->fe[index_frontend]->dtv_property_cache.hierarchy = fe->dtv_property_cache.hierarchy;
1958 state->fe[index_frontend]->dtv_property_cache.code_rate_HP = fe->dtv_property_cache.code_rate_HP;
1959 state->fe[index_frontend]->dtv_property_cache.code_rate_LP = fe->dtv_property_cache.code_rate_LP;
1960 state->fe[index_frontend]->dtv_property_cache.rolloff = fe->dtv_property_cache.rolloff;
1961 }
1962 ret = 0;
1963
1964 return_value:
1965 if (state->get_frontend_internal == 0)
1966 DibReleaseLock(&state->demod_lock);
1967 return ret;
1968 }
1969
1970 static int dib9000_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state)
1971 {
1972 struct dib9000_state *state = fe->demodulator_priv;
1973 state->tune_state = tune_state;
1974 if (tune_state == CT_DEMOD_START)
1975 state->status = FE_STATUS_TUNE_PENDING;
1976
1977 return 0;
1978 }
1979
1980 static u32 dib9000_get_status(struct dvb_frontend *fe)
1981 {
1982 struct dib9000_state *state = fe->demodulator_priv;
1983 return state->status;
1984 }
1985
1986 static int dib9000_set_channel_status(struct dvb_frontend *fe, struct dvb_frontend_parametersContext *channel_status)
1987 {
1988 struct dib9000_state *state = fe->demodulator_priv;
1989
1990 memcpy(&state->channel_status, channel_status, sizeof(struct dvb_frontend_parametersContext));
1991 return 0;
1992 }
1993
1994 static int dib9000_set_frontend(struct dvb_frontend *fe)
1995 {
1996 struct dib9000_state *state = fe->demodulator_priv;
1997 int sleep_time, sleep_time_slave;
1998 u32 frontend_status;
1999 u8 nbr_pending, exit_condition, index_frontend, index_frontend_success;
2000 struct dvb_frontend_parametersContext channel_status;
2001
2002 /* check that the correct parameters are set */
2003 if (state->fe[0]->dtv_property_cache.frequency == 0) {
2004 dprintk("dib9000: must specify frequency ");
2005 return 0;
2006 }
2007
2008 if (state->fe[0]->dtv_property_cache.bandwidth_hz == 0) {
2009 dprintk("dib9000: must specify bandwidth ");
2010 return 0;
2011 }
2012
2013 state->pid_ctrl_index = -1; /* postpone the pid filtering cmd */
2014 if (DibAcquireLock(&state->demod_lock) < 0) {
2015 dprintk("could not get the lock");
2016 return 0;
2017 }
2018
2019 fe->dtv_property_cache.delivery_system = SYS_DVBT;
2020
2021 /* set the master status */
2022 if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO ||
2023 state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO ||
2024 state->fe[0]->dtv_property_cache.modulation == QAM_AUTO ||
2025 state->fe[0]->dtv_property_cache.code_rate_HP == FEC_AUTO) {
2026 /* no channel specified, autosearch the channel */
2027 state->channel_status.status = CHANNEL_STATUS_PARAMETERS_UNKNOWN;
2028 } else
2029 state->channel_status.status = CHANNEL_STATUS_PARAMETERS_SET;
2030
2031 /* set mode and status for the different frontends */
2032 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
2033 dib9000_fw_set_diversity_in(state->fe[index_frontend], 1);
2034
2035 /* synchronization of the cache */
2036 memcpy(&state->fe[index_frontend]->dtv_property_cache, &fe->dtv_property_cache, sizeof(struct dtv_frontend_properties));
2037
2038 state->fe[index_frontend]->dtv_property_cache.delivery_system = SYS_DVBT;
2039 dib9000_fw_set_output_mode(state->fe[index_frontend], OUTMODE_HIGH_Z);
2040
2041 dib9000_set_channel_status(state->fe[index_frontend], &state->channel_status);
2042 dib9000_set_tune_state(state->fe[index_frontend], CT_DEMOD_START);
2043 }
2044
2045 /* actual tune */
2046 exit_condition = 0; /* 0: tune pending; 1: tune failed; 2:tune success */
2047 index_frontend_success = 0;
2048 do {
2049 sleep_time = dib9000_fw_tune(state->fe[0]);
2050 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
2051 sleep_time_slave = dib9000_fw_tune(state->fe[index_frontend]);
2052 if (sleep_time == FE_CALLBACK_TIME_NEVER)
2053 sleep_time = sleep_time_slave;
2054 else if ((sleep_time_slave != FE_CALLBACK_TIME_NEVER) && (sleep_time_slave > sleep_time))
2055 sleep_time = sleep_time_slave;
2056 }
2057 if (sleep_time != FE_CALLBACK_TIME_NEVER)
2058 msleep(sleep_time / 10);
2059 else
2060 break;
2061
2062 nbr_pending = 0;
2063 exit_condition = 0;
2064 index_frontend_success = 0;
2065 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
2066 frontend_status = -dib9000_get_status(state->fe[index_frontend]);
2067 if (frontend_status > -FE_STATUS_TUNE_PENDING) {
2068 exit_condition = 2; /* tune success */
2069 index_frontend_success = index_frontend;
2070 break;
2071 }
2072 if (frontend_status == -FE_STATUS_TUNE_PENDING)
2073 nbr_pending++; /* some frontends are still tuning */
2074 }
2075 if ((exit_condition != 2) && (nbr_pending == 0))
2076 exit_condition = 1; /* if all tune are done and no success, exit: tune failed */
2077
2078 } while (exit_condition == 0);
2079
2080 /* check the tune result */
2081 if (exit_condition == 1) { /* tune failed */
2082 dprintk("tune failed");
2083 DibReleaseLock(&state->demod_lock);
2084 /* tune failed; put all the pid filtering cmd to junk */
2085 state->pid_ctrl_index = -1;
2086 return 0;
2087 }
2088
2089 dprintk("tune success on frontend%i", index_frontend_success);
2090
2091 /* synchronize all the channel cache */
2092 state->get_frontend_internal = 1;
2093 dib9000_get_frontend(state->fe[0]);
2094 state->get_frontend_internal = 0;
2095
2096 /* retune the other frontends with the found channel */
2097 channel_status.status = CHANNEL_STATUS_PARAMETERS_SET;
2098 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
2099 /* only retune the frontends which was not tuned success */
2100 if (index_frontend != index_frontend_success) {
2101 dib9000_set_channel_status(state->fe[index_frontend], &channel_status);
2102 dib9000_set_tune_state(state->fe[index_frontend], CT_DEMOD_START);
2103 }
2104 }
2105 do {
2106 sleep_time = FE_CALLBACK_TIME_NEVER;
2107 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
2108 if (index_frontend != index_frontend_success) {
2109 sleep_time_slave = dib9000_fw_tune(state->fe[index_frontend]);
2110 if (sleep_time == FE_CALLBACK_TIME_NEVER)
2111 sleep_time = sleep_time_slave;
2112 else if ((sleep_time_slave != FE_CALLBACK_TIME_NEVER) && (sleep_time_slave > sleep_time))
2113 sleep_time = sleep_time_slave;
2114 }
2115 }
2116 if (sleep_time != FE_CALLBACK_TIME_NEVER)
2117 msleep(sleep_time / 10);
2118 else
2119 break;
2120
2121 nbr_pending = 0;
2122 for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
2123 if (index_frontend != index_frontend_success) {
2124 frontend_status = -dib9000_get_status(state->fe[index_frontend]);
2125 if ((index_frontend != index_frontend_success) && (frontend_status == -FE_STATUS_TUNE_PENDING))
2126 nbr_pending++; /* some frontends are still tuning */
2127 }
2128 }
2129 } while (nbr_pending != 0);
2130
2131 /* set the output mode */
2132 dib9000_fw_set_output_mode(state->fe[0], state->chip.d9.cfg.output_mode);
2133 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
2134 dib9000_fw_set_output_mode(state->fe[index_frontend], OUTMODE_DIVERSITY);
2135
2136 /* turn off the diversity for the last frontend */
2137 dib9000_fw_set_diversity_in(state->fe[index_frontend - 1], 0);
2138
2139 DibReleaseLock(&state->demod_lock);
2140 if (state->pid_ctrl_index >= 0) {
2141 u8 index_pid_filter_cmd;
2142 u8 pid_ctrl_index = state->pid_ctrl_index;
2143
2144 state->pid_ctrl_index = -2;
2145 for (index_pid_filter_cmd = 0;
2146 index_pid_filter_cmd <= pid_ctrl_index;
2147 index_pid_filter_cmd++) {
2148 if (state->pid_ctrl[index_pid_filter_cmd].cmd == DIB9000_PID_FILTER_CTRL)
2149 dib9000_fw_pid_filter_ctrl(state->fe[0],
2150 state->pid_ctrl[index_pid_filter_cmd].onoff);
2151 else if (state->pid_ctrl[index_pid_filter_cmd].cmd == DIB9000_PID_FILTER)
2152 dib9000_fw_pid_filter(state->fe[0],
2153 state->pid_ctrl[index_pid_filter_cmd].id,
2154 state->pid_ctrl[index_pid_filter_cmd].pid,
2155 state->pid_ctrl[index_pid_filter_cmd].onoff);
2156 }
2157 }
2158 /* do not postpone any more the pid filtering */
2159 state->pid_ctrl_index = -2;
2160
2161 return 0;
2162 }
2163
2164 static u16 dib9000_read_lock(struct dvb_frontend *fe)
2165 {
2166 struct dib9000_state *state = fe->demodulator_priv;
2167
2168 return dib9000_read_word(state, 535);
2169 }
2170
2171 static int dib9000_read_status(struct dvb_frontend *fe, fe_status_t * stat)
2172 {
2173 struct dib9000_state *state = fe->demodulator_priv;
2174 u8 index_frontend;
2175 u16 lock = 0, lock_slave = 0;
2176
2177 if (DibAcquireLock(&state->demod_lock) < 0) {
2178 dprintk("could not get the lock");
2179 return -EINTR;
2180 }
2181 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
2182 lock_slave |= dib9000_read_lock(state->fe[index_frontend]);
2183
2184 lock = dib9000_read_word(state, 535);
2185
2186 *stat = 0;
2187
2188 if ((lock & 0x8000) || (lock_slave & 0x8000))
2189 *stat |= FE_HAS_SIGNAL;
2190 if ((lock & 0x3000) || (lock_slave & 0x3000))
2191 *stat |= FE_HAS_CARRIER;
2192 if ((lock & 0x0100) || (lock_slave & 0x0100))
2193 *stat |= FE_HAS_VITERBI;
2194 if (((lock & 0x0038) == 0x38) || ((lock_slave & 0x0038) == 0x38))
2195 *stat |= FE_HAS_SYNC;
2196 if ((lock & 0x0008) || (lock_slave & 0x0008))
2197 *stat |= FE_HAS_LOCK;
2198
2199 DibReleaseLock(&state->demod_lock);
2200
2201 return 0;
2202 }
2203
2204 static int dib9000_read_ber(struct dvb_frontend *fe, u32 * ber)
2205 {
2206 struct dib9000_state *state = fe->demodulator_priv;
2207 u16 *c;
2208 int ret = 0;
2209
2210 if (DibAcquireLock(&state->demod_lock) < 0) {
2211 dprintk("could not get the lock");
2212 return -EINTR;
2213 }
2214 if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) {
2215 dprintk("could not get the lock");
2216 ret = -EINTR;
2217 goto error;
2218 }
2219 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
2220 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2221 ret = -EIO;
2222 goto error;
2223 }
2224 dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR,
2225 state->i2c_read_buffer, 16 * 2);
2226 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2227
2228 c = (u16 *)state->i2c_read_buffer;
2229
2230 *ber = c[10] << 16 | c[11];
2231
2232 error:
2233 DibReleaseLock(&state->demod_lock);
2234 return ret;
2235 }
2236
2237 static int dib9000_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
2238 {
2239 struct dib9000_state *state = fe->demodulator_priv;
2240 u8 index_frontend;
2241 u16 *c = (u16 *)state->i2c_read_buffer;
2242 u16 val;
2243 int ret = 0;
2244
2245 if (DibAcquireLock(&state->demod_lock) < 0) {
2246 dprintk("could not get the lock");
2247 return -EINTR;
2248 }
2249 *strength = 0;
2250 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
2251 state->fe[index_frontend]->ops.read_signal_strength(state->fe[index_frontend], &val);
2252 if (val > 65535 - *strength)
2253 *strength = 65535;
2254 else
2255 *strength += val;
2256 }
2257
2258 if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) {
2259 dprintk("could not get the lock");
2260 ret = -EINTR;
2261 goto error;
2262 }
2263 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
2264 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2265 ret = -EIO;
2266 goto error;
2267 }
2268 dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR, (u8 *) c, 16 * 2);
2269 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2270
2271 val = 65535 - c[4];
2272 if (val > 65535 - *strength)
2273 *strength = 65535;
2274 else
2275 *strength += val;
2276
2277 error:
2278 DibReleaseLock(&state->demod_lock);
2279 return ret;
2280 }
2281
2282 static u32 dib9000_get_snr(struct dvb_frontend *fe)
2283 {
2284 struct dib9000_state *state = fe->demodulator_priv;
2285 u16 *c = (u16 *)state->i2c_read_buffer;
2286 u32 n, s, exp;
2287 u16 val;
2288
2289 if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) {
2290 dprintk("could not get the lock");
2291 return 0;
2292 }
2293 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
2294 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2295 return 0;
2296 }
2297 dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR, (u8 *) c, 16 * 2);
2298 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2299
2300 val = c[7];
2301 n = (val >> 4) & 0xff;
2302 exp = ((val & 0xf) << 2);
2303 val = c[8];
2304 exp += ((val >> 14) & 0x3);
2305 if ((exp & 0x20) != 0)
2306 exp -= 0x40;
2307 n <<= exp + 16;
2308
2309 s = (val >> 6) & 0xFF;
2310 exp = (val & 0x3F);
2311 if ((exp & 0x20) != 0)
2312 exp -= 0x40;
2313 s <<= exp + 16;
2314
2315 if (n > 0) {
2316 u32 t = (s / n) << 16;
2317 return t + ((s << 16) - n * t) / n;
2318 }
2319 return 0xffffffff;
2320 }
2321
2322 static int dib9000_read_snr(struct dvb_frontend *fe, u16 * snr)
2323 {
2324 struct dib9000_state *state = fe->demodulator_priv;
2325 u8 index_frontend;
2326 u32 snr_master;
2327
2328 if (DibAcquireLock(&state->demod_lock) < 0) {
2329 dprintk("could not get the lock");
2330 return -EINTR;
2331 }
2332 snr_master = dib9000_get_snr(fe);
2333 for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
2334 snr_master += dib9000_get_snr(state->fe[index_frontend]);
2335
2336 if ((snr_master >> 16) != 0) {
2337 snr_master = 10 * intlog10(snr_master >> 16);
2338 *snr = snr_master / ((1 << 24) / 10);
2339 } else
2340 *snr = 0;
2341
2342 DibReleaseLock(&state->demod_lock);
2343
2344 return 0;
2345 }
2346
2347 static int dib9000_read_unc_blocks(struct dvb_frontend *fe, u32 * unc)
2348 {
2349 struct dib9000_state *state = fe->demodulator_priv;
2350 u16 *c = (u16 *)state->i2c_read_buffer;
2351 int ret = 0;
2352
2353 if (DibAcquireLock(&state->demod_lock) < 0) {
2354 dprintk("could not get the lock");
2355 return -EINTR;
2356 }
2357 if (DibAcquireLock(&state->platform.risc.mem_mbx_lock) < 0) {
2358 dprintk("could not get the lock");
2359 ret = -EINTR;
2360 goto error;
2361 }
2362 if (dib9000_fw_memmbx_sync(state, FE_SYNC_CHANNEL) < 0) {
2363 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2364 ret = -EIO;
2365 goto error;
2366 }
2367 dib9000_risc_mem_read(state, FE_MM_R_FE_MONITOR, (u8 *) c, 16 * 2);
2368 DibReleaseLock(&state->platform.risc.mem_mbx_lock);
2369
2370 *unc = c[12];
2371
2372 error:
2373 DibReleaseLock(&state->demod_lock);
2374 return ret;
2375 }
2376
2377 int dib9000_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, u8 first_addr)
2378 {
2379 int k = 0, ret = 0;
2380 u8 new_addr = 0;
2381 struct i2c_device client = {.i2c_adap = i2c };
2382
2383 client.i2c_write_buffer = kzalloc(4 * sizeof(u8), GFP_KERNEL);
2384 if (!client.i2c_write_buffer) {
2385 dprintk("%s: not enough memory", __func__);
2386 return -ENOMEM;
2387 }
2388 client.i2c_read_buffer = kzalloc(4 * sizeof(u8), GFP_KERNEL);
2389 if (!client.i2c_read_buffer) {
2390 dprintk("%s: not enough memory", __func__);
2391 ret = -ENOMEM;
2392 goto error_memory;
2393 }
2394
2395 client.i2c_addr = default_addr + 16;
2396 dib9000_i2c_write16(&client, 1796, 0x0);
2397
2398 for (k = no_of_demods - 1; k >= 0; k--) {
2399 /* designated i2c address */
2400 new_addr = first_addr + (k << 1);
2401 client.i2c_addr = default_addr;
2402
2403 dib9000_i2c_write16(&client, 1817, 3);
2404 dib9000_i2c_write16(&client, 1796, 0);
2405 dib9000_i2c_write16(&client, 1227, 1);
2406 dib9000_i2c_write16(&client, 1227, 0);
2407
2408 client.i2c_addr = new_addr;
2409 dib9000_i2c_write16(&client, 1817, 3);
2410 dib9000_i2c_write16(&client, 1796, 0);
2411 dib9000_i2c_write16(&client, 1227, 1);
2412 dib9000_i2c_write16(&client, 1227, 0);
2413
2414 if (dib9000_identify(&client) == 0) {
2415 client.i2c_addr = default_addr;
2416 if (dib9000_identify(&client) == 0) {
2417 dprintk("DiB9000 #%d: not identified", k);
2418 ret = -EIO;
2419 goto error;
2420 }
2421 }
2422
2423 dib9000_i2c_write16(&client, 1795, (1 << 10) | (4 << 6));
2424 dib9000_i2c_write16(&client, 1794, (new_addr << 2) | 2);
2425
2426 dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr);
2427 }
2428
2429 for (k = 0; k < no_of_demods; k++) {
2430 new_addr = first_addr | (k << 1);
2431 client.i2c_addr = new_addr;
2432
2433 dib9000_i2c_write16(&client, 1794, (new_addr << 2));
2434 dib9000_i2c_write16(&client, 1795, 0);
2435 }
2436
2437 error:
2438 kfree(client.i2c_read_buffer);
2439 error_memory:
2440 kfree(client.i2c_write_buffer);
2441
2442 return ret;
2443 }
2444 EXPORT_SYMBOL(dib9000_i2c_enumeration);
2445
2446 int dib9000_set_slave_frontend(struct dvb_frontend *fe, struct dvb_frontend *fe_slave)
2447 {
2448 struct dib9000_state *state = fe->demodulator_priv;
2449 u8 index_frontend = 1;
2450
2451 while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL))
2452 index_frontend++;
2453 if (index_frontend < MAX_NUMBER_OF_FRONTENDS) {
2454 dprintk("set slave fe %p to index %i", fe_slave, index_frontend);
2455 state->fe[index_frontend] = fe_slave;
2456 return 0;
2457 }
2458
2459 dprintk("too many slave frontend");
2460 return -ENOMEM;
2461 }
2462 EXPORT_SYMBOL(dib9000_set_slave_frontend);
2463
2464 int dib9000_remove_slave_frontend(struct dvb_frontend *fe)
2465 {
2466 struct dib9000_state *state = fe->demodulator_priv;
2467 u8 index_frontend = 1;
2468
2469 while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL))
2470 index_frontend++;
2471 if (index_frontend != 1) {
2472 dprintk("remove slave fe %p (index %i)", state->fe[index_frontend - 1], index_frontend - 1);
2473 state->fe[index_frontend] = NULL;
2474 return 0;
2475 }
2476
2477 dprintk("no frontend to be removed");
2478 return -ENODEV;
2479 }
2480 EXPORT_SYMBOL(dib9000_remove_slave_frontend);
2481
2482 struct dvb_frontend *dib9000_get_slave_frontend(struct dvb_frontend *fe, int slave_index)
2483 {
2484 struct dib9000_state *state = fe->demodulator_priv;
2485
2486 if (slave_index >= MAX_NUMBER_OF_FRONTENDS)
2487 return NULL;
2488 return state->fe[slave_index];
2489 }
2490 EXPORT_SYMBOL(dib9000_get_slave_frontend);
2491
2492 static struct dvb_frontend_ops dib9000_ops;
2493 struct dvb_frontend *dib9000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, const struct dib9000_config *cfg)
2494 {
2495 struct dvb_frontend *fe;
2496 struct dib9000_state *st;
2497 st = kzalloc(sizeof(struct dib9000_state), GFP_KERNEL);
2498 if (st == NULL)
2499 return NULL;
2500 fe = kzalloc(sizeof(struct dvb_frontend), GFP_KERNEL);
2501 if (fe == NULL) {
2502 kfree(st);
2503 return NULL;
2504 }
2505
2506 memcpy(&st->chip.d9.cfg, cfg, sizeof(struct dib9000_config));
2507 st->i2c.i2c_adap = i2c_adap;
2508 st->i2c.i2c_addr = i2c_addr;
2509 st->i2c.i2c_write_buffer = st->i2c_write_buffer;
2510 st->i2c.i2c_read_buffer = st->i2c_read_buffer;
2511
2512 st->gpio_dir = DIB9000_GPIO_DEFAULT_DIRECTIONS;
2513 st->gpio_val = DIB9000_GPIO_DEFAULT_VALUES;
2514 st->gpio_pwm_pos = DIB9000_GPIO_DEFAULT_PWM_POS;
2515
2516 DibInitLock(&st->platform.risc.mbx_if_lock);
2517 DibInitLock(&st->platform.risc.mbx_lock);
2518 DibInitLock(&st->platform.risc.mem_lock);
2519 DibInitLock(&st->platform.risc.mem_mbx_lock);
2520 DibInitLock(&st->demod_lock);
2521 st->get_frontend_internal = 0;
2522
2523 st->pid_ctrl_index = -2;
2524
2525 st->fe[0] = fe;
2526 fe->demodulator_priv = st;
2527 memcpy(&st->fe[0]->ops, &dib9000_ops, sizeof(struct dvb_frontend_ops));
2528
2529 /* Ensure the output mode remains at the previous default if it's
2530 * not specifically set by the caller.
2531 */
2532 if ((st->chip.d9.cfg.output_mode != OUTMODE_MPEG2_SERIAL) && (st->chip.d9.cfg.output_mode != OUTMODE_MPEG2_PAR_GATED_CLK))
2533 st->chip.d9.cfg.output_mode = OUTMODE_MPEG2_FIFO;
2534
2535 if (dib9000_identify(&st->i2c) == 0)
2536 goto error;
2537
2538 dibx000_init_i2c_master(&st->i2c_master, DIB7000MC, st->i2c.i2c_adap, st->i2c.i2c_addr);
2539
2540 st->tuner_adap.dev.parent = i2c_adap->dev.parent;
2541 strncpy(st->tuner_adap.name, "DIB9000_FW TUNER ACCESS", sizeof(st->tuner_adap.name));
2542 st->tuner_adap.algo = &dib9000_tuner_algo;
2543 st->tuner_adap.algo_data = NULL;
2544 i2c_set_adapdata(&st->tuner_adap, st);
2545 if (i2c_add_adapter(&st->tuner_adap) < 0)
2546 goto error;
2547
2548 st->component_bus.dev.parent = i2c_adap->dev.parent;
2549 strncpy(st->component_bus.name, "DIB9000_FW COMPONENT BUS ACCESS", sizeof(st->component_bus.name));
2550 st->component_bus.algo = &dib9000_component_bus_algo;
2551 st->component_bus.algo_data = NULL;
2552 st->component_bus_speed = 340;
2553 i2c_set_adapdata(&st->component_bus, st);
2554 if (i2c_add_adapter(&st->component_bus) < 0)
2555 goto component_bus_add_error;
2556
2557 dib9000_fw_reset(fe);
2558
2559 return fe;
2560
2561 component_bus_add_error:
2562 i2c_del_adapter(&st->tuner_adap);
2563 error:
2564 kfree(st);
2565 return NULL;
2566 }
2567 EXPORT_SYMBOL(dib9000_attach);
2568
2569 static struct dvb_frontend_ops dib9000_ops = {
2570 .delsys = { SYS_DVBT },
2571 .info = {
2572 .name = "DiBcom 9000",
2573 .frequency_min = 44250000,
2574 .frequency_max = 867250000,
2575 .frequency_stepsize = 62500,
2576 .caps = FE_CAN_INVERSION_AUTO |
2577 FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
2578 FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
2579 FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
2580 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_RECOVER | FE_CAN_HIERARCHY_AUTO,
2581 },
2582
2583 .release = dib9000_release,
2584
2585 .init = dib9000_wakeup,
2586 .sleep = dib9000_sleep,
2587
2588 .set_frontend = dib9000_set_frontend,
2589 .get_tune_settings = dib9000_fe_get_tune_settings,
2590 .get_frontend = dib9000_get_frontend,
2591
2592 .read_status = dib9000_read_status,
2593 .read_ber = dib9000_read_ber,
2594 .read_signal_strength = dib9000_read_signal_strength,
2595 .read_snr = dib9000_read_snr,
2596 .read_ucblocks = dib9000_read_unc_blocks,
2597 };
2598
2599 MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
2600 MODULE_AUTHOR("Olivier Grenie <ogrenie@dibcom.fr>");
2601 MODULE_DESCRIPTION("Driver for the DiBcom 9000 COFDM demodulator");
2602 MODULE_LICENSE("GPL");