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V4L/DVB (5960): Add module parameter to enable SFN workaround
[linux-2.6-block.git] / drivers / media / dvb / dvb-usb / dib0700_devices.c
CommitLineData
b7f54910
PB		 1/* Linux driver for devices based on the DiBcom DiB0700 USB bridge
2 *
3 * This program is free software; you can redistribute it and/or modify it
4 * under the terms of the GNU General Public License as published by the Free
5 * Software Foundation, version 2.
6 *
b6884a17 7 * Copyright (C) 2005-7 DiBcom, SA
b7f54910
PB		 8 */
9#include "dib0700.h"
10
11#include "dib3000mc.h"
91bb9be6 12#include "dib7000m.h"
a75763ff 13#include "dib7000p.h"
b7f54910 14#include "mt2060.h"
54d75eba 15#include "mt2266.h"
01373a5c 16#include "dib0070.h"
b7f54910 17
7fb3fc0c
PB		 18static int force_lna_activation;
19module_param(force_lna_activation, int, 0644);
20MODULE_PARM_DESC(force_lna_activation, "force the activation of Low-Noise-Amplifyer(s) (LNA), "
21 "if applicable for the device (default: 0=automatic/off).");
22
01373a5c
PB		 23struct dib0700_adapter_state {
24 int (*set_param_save) (struct dvb_frontend *, struct dvb_frontend_parameters *);
25};
26
27/* Hauppauge Nova-T 500 (aka Bristol)
b7f54910
PB		 28 * has a LNA on GPIO0 which is enabled by setting 1 */
29static struct mt2060_config bristol_mt2060_config[2] = {
30 {
31 .i2c_address = 0x60,
303cbeaa 32 .clock_out = 3,
b7f54910
PB		 33 }, {
34 .i2c_address = 0x61,
35 }
36};
37
38static struct dibx000_agc_config bristol_dib3000p_mt2060_agc_config = {
39 .band_caps = BAND_VHF | BAND_UHF,
01b4bf31 40 .setup = (1 << 8) | (5 << 5) | (0 << 4) | (0 << 3) | (0 << 2) | (2 << 0),
b7f54910 41
6958effe
PB		 42 .agc1_max = 42598,
43 .agc1_min = 17694,
44 .agc2_max = 45875,
45 .agc2_min = 0,
b7f54910 46
6958effe
PB		 47 .agc1_pt1 = 0,
48 .agc1_pt2 = 59,
b7f54910 49
6958effe
PB		 50 .agc1_slope1 = 0,
51 .agc1_slope2 = 69,
b7f54910
PB		 52
53 .agc2_pt1 = 0,
6958effe 54 .agc2_pt2 = 59,
b7f54910 55
6958effe
PB		 56 .agc2_slope1 = 111,
57 .agc2_slope2 = 28,
b7f54910
PB		 58};
59
60static struct dib3000mc_config bristol_dib3000mc_config[2] = {
61 { .agc = &bristol_dib3000p_mt2060_agc_config,
62 .max_time = 0x196,
63 .ln_adc_level = 0x1cc7,
64 .output_mpeg2_in_188_bytes = 1,
65 },
66 { .agc = &bristol_dib3000p_mt2060_agc_config,
67 .max_time = 0x196,
68 .ln_adc_level = 0x1cc7,
69 .output_mpeg2_in_188_bytes = 1,
70 }
71};
72
73static int bristol_frontend_attach(struct dvb_usb_adapter *adap)
74{
6958effe 75 struct dib0700_state *st = adap->dev->priv;
b7f54910
PB		 76 if (adap->id == 0) {
77 dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0); msleep(10);
78 dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1); msleep(10);
79 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); msleep(10);
80 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); msleep(10);
81
7fb3fc0c
PB		 82 if (force_lna_activation)
83 dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1);
84 else
85 dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 0);
6958effe 86
b7f54910
PB		 87 if (dib3000mc_i2c_enumeration(&adap->dev->i2c_adap, 2, DEFAULT_DIB3000P_I2C_ADDRESS, bristol_dib3000mc_config) != 0) {
88 dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0); msleep(10);
89 return -ENODEV;
90 }
91 }
6958effe
PB		 92 st->mt2060_if1[adap->id] = 1220;
93 return (adap->fe = dvb_attach(dib3000mc_attach, &adap->dev->i2c_adap,
94 (10 + adap->id) << 1, &bristol_dib3000mc_config[adap->id])) == NULL ? -ENODEV : 0;
b7f54910
PB		 95}
96
97static int bristol_tuner_attach(struct dvb_usb_adapter *adap)
98{
99 struct dib0700_state *st = adap->dev->priv;
100 struct i2c_adapter *tun_i2c = dib3000mc_get_tuner_i2c_master(adap->fe, 1);
6958effe
PB		 101 return dvb_attach(mt2060_attach,adap->fe, tun_i2c, &bristol_mt2060_config[adap->id],
102 st->mt2060_if1[adap->id]) == NULL ? -ENODEV : 0;
b7f54910
PB		 103}
104
01373a5c 105/* STK7700D: Pinnacle/Terratec/Hauppauge Dual DVB-T Diversity */
54d75eba 106
b6884a17
PB		 107/* MT226x */
108static struct dibx000_agc_config stk7700d_7000p_mt2266_agc_config[2] = {
109 {
110 BAND_UHF, // band_caps
111
112 /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=1, P_agc_inv_pwm1=1, P_agc_inv_pwm2=1,
113 * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=2, P_agc_write=0 */
114 (0 << 15) | (0 << 14) | (1 << 11) | (1 << 10) | (1 << 9) | (0 << 8) | (3 << 5) | (0 << 4) | (5 << 1) | (0 << 0), // setup
115
116 1130, // inv_gain
117 21, // time_stabiliz
118
119 0, // alpha_level
120 118, // thlock
121
122 0, // wbd_inv
123 3530, // wbd_ref
124 1, // wbd_sel
125 0, // wbd_alpha
126
127 65535, // agc1_max
128 33770, // agc1_min
129 65535, // agc2_max
130 23592, // agc2_min
131
132 0, // agc1_pt1
133 62, // agc1_pt2
134 255, // agc1_pt3
135 64, // agc1_slope1
136 64, // agc1_slope2
137 132, // agc2_pt1
138 192, // agc2_pt2
139 80, // agc2_slope1
140 80, // agc2_slope2
141
142 17, // alpha_mant
143 27, // alpha_exp
144 23, // beta_mant
145 51, // beta_exp
146
147 1, // perform_agc_softsplit
148 }, {
149 BAND_VHF | BAND_LBAND, // band_caps
150
151 /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=1, P_agc_inv_pwm1=1, P_agc_inv_pwm2=1,
152 * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=2, P_agc_write=0 */
153 (0 << 15) | (0 << 14) | (1 << 11) | (1 << 10) | (1 << 9) | (0 << 8) | (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), // setup
154
155 2372, // inv_gain
156 21, // time_stabiliz
157
158 0, // alpha_level
159 118, // thlock
160
161 0, // wbd_inv
162 3530, // wbd_ref
163 1, // wbd_sel
164 0, // wbd_alpha
165
166 65535, // agc1_max
167 0, // agc1_min
168 65535, // agc2_max
169 23592, // agc2_min
170
171 0, // agc1_pt1
172 128, // agc1_pt2
173 128, // agc1_pt3
174 128, // agc1_slope1
175 0, // agc1_slope2
176 128, // agc2_pt1
177 253, // agc2_pt2
178 81, // agc2_slope1
179 0, // agc2_slope2
180
181 17, // alpha_mant
182 27, // alpha_exp
183 23, // beta_mant
184 51, // beta_exp
185
186 1, // perform_agc_softsplit
187 }
54d75eba
OD		 188};
189
190static struct dibx000_bandwidth_config stk7700d_mt2266_pll_config = {
191 60000, 30000, // internal, sampling
192 1, 8, 3, 1, 0, // pll_cfg: prediv, ratio, range, reset, bypass
193 0, 0, 1, 1, 2, // misc: refdiv, bypclk_div, IO_CLK_en_core, ADClkSrc, modulo
194 (3 << 14) | (1 << 12) | (524 << 0), // sad_cfg: refsel, sel, freq_15k
195 0, // ifreq
196 20452225, // timf
197};
198
199static struct dib7000p_config stk7700d_dib7000p_mt2266_config[] = {
200 { .output_mpeg2_in_188_bytes = 1,
201 .hostbus_diversity = 1,
202 .tuner_is_baseband = 1,
203
b6884a17
PB		 204 .agc_config_count = 2,
205 .agc = stk7700d_7000p_mt2266_agc_config,
54d75eba
OD		 206 .bw = &stk7700d_mt2266_pll_config,
207
b6884a17
PB		 208 .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
209 .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
210 .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
54d75eba
OD		 211 },
212 { .output_mpeg2_in_188_bytes = 1,
213 .hostbus_diversity = 1,
214 .tuner_is_baseband = 1,
215
b6884a17
PB		 216 .agc_config_count = 2,
217 .agc = stk7700d_7000p_mt2266_agc_config,
54d75eba
OD		 218 .bw = &stk7700d_mt2266_pll_config,
219
b6884a17
PB		 220 .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
221 .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
222 .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
54d75eba
OD		 223 }
224};
225
226static struct mt2266_config stk7700d_mt2266_config[2] = {
227 { .i2c_address = 0x60
228 },
229 { .i2c_address = 0x60
230 }
231};
232
233static int stk7700d_frontend_attach(struct dvb_usb_adapter *adap)
234{
235 if (adap->id == 0) {
236 dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1);
237 msleep(10);
238 dib0700_set_gpio(adap->dev, GPIO9, GPIO_OUT, 1);
239 dib0700_set_gpio(adap->dev, GPIO4, GPIO_OUT, 1);
240 dib0700_set_gpio(adap->dev, GPIO7, GPIO_OUT, 1);
241 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0);
242 msleep(10);
243 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1);
244 msleep(10);
245 dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1);
246 dib7000p_i2c_enumeration(&adap->dev->i2c_adap,2,18,stk7700d_dib7000p_mt2266_config);
247 }
248
249 adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap,0x80+(adap->id << 1),
250 &stk7700d_dib7000p_mt2266_config[adap->id]);
251
252 return adap->fe == NULL ? -ENODEV : 0;
253}
254
255static int stk7700d_tuner_attach(struct dvb_usb_adapter *adap)
256{
257 struct i2c_adapter *tun_i2c;
258 tun_i2c = dib7000p_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1);
259 return dvb_attach(mt2266_attach, adap->fe, tun_i2c,
260 &stk7700d_mt2266_config[adap->id]) == NULL ? -ENODEV : 0;;
261}
262
263#define DEFAULT_RC_INTERVAL 150
264
265static u8 rc_request[] = { REQUEST_POLL_RC, 0 };
266
82f3d559 267static int dib0700_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
54d75eba
OD		 268{
269 u8 key[4];
270 int i;
271 struct dvb_usb_rc_key *keymap = d->props.rc_key_map;
272 struct dib0700_state *st = d->priv;
273 *event = 0;
274 *state = REMOTE_NO_KEY_PRESSED;
275 i=dib0700_ctrl_rd(d,rc_request,2,key,4);
276 if (i<=0) {
82f3d559 277 err("RC Query Failed\n");
54d75eba
OD		 278 return 0;
279 }
280 if (key[0]==0 && key[1]==0 && key[2]==0 && key[3]==0) return 0;
281 if (key[1]!=st->rc_toggle) {
282 for (i=0;i<d->props.rc_key_map_size; i++) {
283 if (keymap[i].custom == key[2] && keymap[i].data == key[3]) {
284 *event = keymap[i].event;
285 *state = REMOTE_KEY_PRESSED;
286 st->rc_toggle=key[1];
287 return 0;
288 }
289 }
82f3d559 290 err("Unknown remote controller key : %2X %2X\n",(int)key[2],(int)key[3]);
54d75eba
OD		 291 }
292 return 0;
293}
294
82f3d559 295static struct dvb_usb_rc_key dib0700_rc_keys[] = {
54d75eba
OD		 296 /* Key codes for the tiny Pinnacle remote*/
297 { 0x07, 0x00, KEY_MUTE },
298 { 0x07, 0x01, KEY_MENU }, // Pinnacle logo
299 { 0x07, 0x39, KEY_POWER },
300 { 0x07, 0x03, KEY_VOLUMEUP },
301 { 0x07, 0x09, KEY_VOLUMEDOWN },
302 { 0x07, 0x06, KEY_CHANNELUP },
303 { 0x07, 0x0c, KEY_CHANNELDOWN },
304 { 0x07, 0x0f, KEY_1 },
305 { 0x07, 0x15, KEY_2 },
306 { 0x07, 0x10, KEY_3 },
307 { 0x07, 0x18, KEY_4 },
308 { 0x07, 0x1b, KEY_5 },
309 { 0x07, 0x1e, KEY_6 },
310 { 0x07, 0x11, KEY_7 },
311 { 0x07, 0x21, KEY_8 },
312 { 0x07, 0x12, KEY_9 },
313 { 0x07, 0x27, KEY_0 },
314 { 0x07, 0x24, KEY_SCREEN }, // 'Square' key
315 { 0x07, 0x2a, KEY_TEXT }, // 'T' key
316 { 0x07, 0x2d, KEY_REWIND },
317 { 0x07, 0x30, KEY_PLAY },
318 { 0x07, 0x33, KEY_FASTFORWARD },
319 { 0x07, 0x36, KEY_RECORD },
320 { 0x07, 0x3c, KEY_STOP },
321 { 0x07, 0x3f, KEY_CANCEL }, // '?' key
322 /* Key codes for the Terratec Cinergy DT XS Diversity, similar to cinergyT2.c */
323 { 0xeb, 0x01, KEY_POWER },
324 { 0xeb, 0x02, KEY_1 },
325 { 0xeb, 0x03, KEY_2 },
326 { 0xeb, 0x04, KEY_3 },
327 { 0xeb, 0x05, KEY_4 },
328 { 0xeb, 0x06, KEY_5 },
329 { 0xeb, 0x07, KEY_6 },
330 { 0xeb, 0x08, KEY_7 },
331 { 0xeb, 0x09, KEY_8 },
332 { 0xeb, 0x0a, KEY_9 },
333 { 0xeb, 0x0b, KEY_VIDEO },
334 { 0xeb, 0x0c, KEY_0 },
335 { 0xeb, 0x0d, KEY_REFRESH },
336 { 0xeb, 0x0f, KEY_EPG },
337 { 0xeb, 0x10, KEY_UP },
338 { 0xeb, 0x11, KEY_LEFT },
339 { 0xeb, 0x12, KEY_OK },
340 { 0xeb, 0x13, KEY_RIGHT },
341 { 0xeb, 0x14, KEY_DOWN },
342 { 0xeb, 0x16, KEY_INFO },
343 { 0xeb, 0x17, KEY_RED },
344 { 0xeb, 0x18, KEY_GREEN },
345 { 0xeb, 0x19, KEY_YELLOW },
346 { 0xeb, 0x1a, KEY_BLUE },
347 { 0xeb, 0x1b, KEY_CHANNELUP },
348 { 0xeb, 0x1c, KEY_VOLUMEUP },
7161f27f 349 { 0xeb, 0x1d, KEY_MUTE },
54d75eba
OD		 350 { 0xeb, 0x1e, KEY_VOLUMEDOWN },
351 { 0xeb, 0x1f, KEY_CHANNELDOWN },
352 { 0xeb, 0x40, KEY_PAUSE },
353 { 0xeb, 0x41, KEY_HOME },
354 { 0xeb, 0x42, KEY_MENU }, /* DVD Menu */
355 { 0xeb, 0x43, KEY_SUBTITLE },
356 { 0xeb, 0x44, KEY_TEXT }, /* Teletext */
357 { 0xeb, 0x45, KEY_DELETE },
358 { 0xeb, 0x46, KEY_TV },
359 { 0xeb, 0x47, KEY_DVD },
360 { 0xeb, 0x48, KEY_STOP },
361 { 0xeb, 0x49, KEY_VIDEO },
362 { 0xeb, 0x4a, KEY_AUDIO }, /* Music */
363 { 0xeb, 0x4b, KEY_SCREEN }, /* Pic */
364 { 0xeb, 0x4c, KEY_PLAY },
365 { 0xeb, 0x4d, KEY_BACK },
366 { 0xeb, 0x4e, KEY_REWIND },
367 { 0xeb, 0x4f, KEY_FASTFORWARD },
368 { 0xeb, 0x54, KEY_PREVIOUS },
369 { 0xeb, 0x58, KEY_RECORD },
7161f27f
JG		 370 { 0xeb, 0x5c, KEY_NEXT },
371
372 /* Key codes for the Haupauge WinTV Nova-TD, copied from nova-t-usb2.c (Nova-T USB2) */
373 { 0x1e, 0x00, KEY_0 },
374 { 0x1e, 0x01, KEY_1 },
375 { 0x1e, 0x02, KEY_2 },
376 { 0x1e, 0x03, KEY_3 },
377 { 0x1e, 0x04, KEY_4 },
378 { 0x1e, 0x05, KEY_5 },
379 { 0x1e, 0x06, KEY_6 },
380 { 0x1e, 0x07, KEY_7 },
381 { 0x1e, 0x08, KEY_8 },
382 { 0x1e, 0x09, KEY_9 },
383 { 0x1e, 0x0a, KEY_KPASTERISK },
384 { 0x1e, 0x0b, KEY_RED },
385 { 0x1e, 0x0c, KEY_RADIO },
386 { 0x1e, 0x0d, KEY_MENU },
387 { 0x1e, 0x0e, KEY_GRAVE }, /* # */
388 { 0x1e, 0x0f, KEY_MUTE },
389 { 0x1e, 0x10, KEY_VOLUMEUP },
390 { 0x1e, 0x11, KEY_VOLUMEDOWN },
391 { 0x1e, 0x12, KEY_CHANNEL },
392 { 0x1e, 0x14, KEY_UP },
393 { 0x1e, 0x15, KEY_DOWN },
394 { 0x1e, 0x16, KEY_LEFT },
395 { 0x1e, 0x17, KEY_RIGHT },
396 { 0x1e, 0x18, KEY_VIDEO },
397 { 0x1e, 0x19, KEY_AUDIO },
398 { 0x1e, 0x1a, KEY_MEDIA },
399 { 0x1e, 0x1b, KEY_EPG },
400 { 0x1e, 0x1c, KEY_TV },
401 { 0x1e, 0x1e, KEY_NEXT },
402 { 0x1e, 0x1f, KEY_BACK },
403 { 0x1e, 0x20, KEY_CHANNELUP },
404 { 0x1e, 0x21, KEY_CHANNELDOWN },
405 { 0x1e, 0x24, KEY_LAST }, /* Skip backwards */
406 { 0x1e, 0x25, KEY_OK },
407 { 0x1e, 0x29, KEY_BLUE},
408 { 0x1e, 0x2e, KEY_GREEN },
409 { 0x1e, 0x30, KEY_PAUSE },
410 { 0x1e, 0x32, KEY_REWIND },
411 { 0x1e, 0x34, KEY_FASTFORWARD },
412 { 0x1e, 0x35, KEY_PLAY },
413 { 0x1e, 0x36, KEY_STOP },
414 { 0x1e, 0x37, KEY_RECORD },
415 { 0x1e, 0x38, KEY_YELLOW },
416 { 0x1e, 0x3b, KEY_GOTO },
417 { 0x1e, 0x3d, KEY_POWER },
82f3d559 418};
54d75eba 419
b7f54910 420/* STK7700P: Hauppauge Nova-T Stick, AVerMedia Volar */
a75763ff 421static struct dibx000_agc_config stk7700p_7000m_mt2060_agc_config = {
69ea31e7
PB		 422 BAND_UHF | BAND_VHF, // band_caps
423
424 /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=5, P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
425 * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=2, P_agc_write=0 */
426 (0 << 15) | (0 << 14) | (5 << 11) | (0 << 10) | (0 << 9) | (0 << 8) | (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), // setup
427
428 712, // inv_gain
429 41, // time_stabiliz
430
431 0, // alpha_level
432 118, // thlock
433
434 0, // wbd_inv
435 4095, // wbd_ref
436 0, // wbd_sel
437 0, // wbd_alpha
438
439 42598, // agc1_max
440 17694, // agc1_min
441 45875, // agc2_max
442 2621, // agc2_min
443 0, // agc1_pt1
444 76, // agc1_pt2
445 139, // agc1_pt3
446 52, // agc1_slope1
447 59, // agc1_slope2
448 107, // agc2_pt1
449 172, // agc2_pt2
450 57, // agc2_slope1
451 70, // agc2_slope2
452
453 21, // alpha_mant
454 25, // alpha_exp
455 28, // beta_mant
456 48, // beta_exp
457
458 1, // perform_agc_softsplit
459 { 0, // split_min
460 107, // split_max
461 51800, // global_split_min
462 24700 // global_split_max
463 },
464};
465
a75763ff
PB		 466static struct dibx000_agc_config stk7700p_7000p_mt2060_agc_config = {
467 BAND_UHF | BAND_VHF,
468
469 /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=5, P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
470 * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=2, P_agc_write=0 */
471 (0 << 15) | (0 << 14) | (5 << 11) | (0 << 10) | (0 << 9) | (0 << 8) | (3 << 5) | (0 << 4) | (2 << 1) | (0 << 0), // setup
472
473 712, // inv_gain
474 41, // time_stabiliz
475
476 0, // alpha_level
477 118, // thlock
478
479 0, // wbd_inv
480 4095, // wbd_ref
481 0, // wbd_sel
482 0, // wbd_alpha
483
484 42598, // agc1_max
485 16384, // agc1_min
486 42598, // agc2_max
487 0, // agc2_min
488
489 0, // agc1_pt1
490 137, // agc1_pt2
491 255, // agc1_pt3
492
493 0, // agc1_slope1
494 255, // agc1_slope2
495
496 0, // agc2_pt1
497 0, // agc2_pt2
498
499 0, // agc2_slope1
500 41, // agc2_slope2
501
502 15, // alpha_mant
503 25, // alpha_exp
504
505 28, // beta_mant
506 48, // beta_exp
507
508 0, // perform_agc_softsplit
509};
510
511static struct dibx000_bandwidth_config stk7700p_pll_config = {
69ea31e7
PB		 512 60000, 30000, // internal, sampling
513 1, 8, 3, 1, 0, // pll_cfg: prediv, ratio, range, reset, bypass
514 0, 0, 1, 1, 0, // misc: refdiv, bypclk_div, IO_CLK_en_core, ADClkSrc, modulo
515 (3 << 14) | (1 << 12) | (524 << 0), // sad_cfg: refsel, sel, freq_15k
516 60258167, // ifreq
517 20452225, // timf
518};
519
520static struct dib7000m_config stk7700p_dib7000m_config = {
521 .dvbt_mode = 1,
522 .output_mpeg2_in_188_bytes = 1,
523 .quartz_direct = 1,
524
525 .agc_config_count = 1,
a75763ff
PB		 526 .agc = &stk7700p_7000m_mt2060_agc_config,
527 .bw = &stk7700p_pll_config,
528
529 .gpio_dir = DIB7000M_GPIO_DEFAULT_DIRECTIONS,
530 .gpio_val = DIB7000M_GPIO_DEFAULT_VALUES,
531 .gpio_pwm_pos = DIB7000M_GPIO_DEFAULT_PWM_POS,
532};
533
534static struct dib7000p_config stk7700p_dib7000p_config = {
535 .output_mpeg2_in_188_bytes = 1,
536
b6884a17 537 .agc_config_count = 1,
a75763ff
PB		 538 .agc = &stk7700p_7000p_mt2060_agc_config,
539 .bw = &stk7700p_pll_config,
69ea31e7
PB		 540
541 .gpio_dir = DIB7000M_GPIO_DEFAULT_DIRECTIONS,
542 .gpio_val = DIB7000M_GPIO_DEFAULT_VALUES,
543 .gpio_pwm_pos = DIB7000M_GPIO_DEFAULT_PWM_POS,
b7f54910
PB		 544};
545
546static int stk7700p_frontend_attach(struct dvb_usb_adapter *adap)
547{
69ea31e7 548 struct dib0700_state *st = adap->dev->priv;
b7f54910 549 /* unless there is no real power management in DVB - we leave the device on GPIO6 */
a75763ff
PB		 550
551 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0);
552 dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 0); msleep(50);
553
69ea31e7 554 dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1); msleep(10);
a75763ff
PB		 555 dib0700_set_gpio(adap->dev, GPIO9, GPIO_OUT, 1);
556
b7f54910 557 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0); msleep(10);
a75763ff
PB		 558 dib0700_ctrl_clock(adap->dev, 72, 1);
559 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1); msleep(100);
560
561 dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1);
b7f54910 562
69ea31e7 563 st->mt2060_if1[0] = 1220;
a75763ff
PB		 564
565 if (dib7000pc_detection(&adap->dev->i2c_adap)) {
566 adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap, 18, &stk7700p_dib7000p_config);
567 st->is_dib7000pc = 1;
568 } else
569 adap->fe = dvb_attach(dib7000m_attach, &adap->dev->i2c_adap, 18, &stk7700p_dib7000m_config);
570
571 return adap->fe == NULL ? -ENODEV : 0;
b7f54910
PB		 572}
573
69ea31e7
PB		 574static struct mt2060_config stk7700p_mt2060_config = {
575 0x60
576};
577
b7f54910
PB		 578static int stk7700p_tuner_attach(struct dvb_usb_adapter *adap)
579{
69ea31e7 580 struct dib0700_state *st = adap->dev->priv;
a75763ff
PB		 581 struct i2c_adapter *tun_i2c;
582
583 if (st->is_dib7000pc)
584 tun_i2c = dib7000p_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1);
585 else
586 tun_i2c = dib7000m_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1);
587
588 return dvb_attach(mt2060_attach, adap->fe, tun_i2c, &stk7700p_mt2060_config,
69ea31e7 589 st->mt2060_if1[0]) == NULL ? -ENODEV : 0;
b7f54910
PB		 590}
591
01373a5c
PB		 592/* DIB7070 generic */
593static struct dibx000_agc_config dib7070_agc_config = {
594 BAND_UHF | BAND_VHF | BAND_LBAND | BAND_SBAND,
595 /* P_agc_use_sd_mod1=0, P_agc_use_sd_mod2=0, P_agc_freq_pwm_div=5, P_agc_inv_pwm1=0, P_agc_inv_pwm2=0,
596 * P_agc_inh_dc_rv_est=0, P_agc_time_est=3, P_agc_freeze=0, P_agc_nb_est=5, P_agc_write=0 */
597 (0 << 15) | (0 << 14) | (5 << 11) | (0 << 10) | (0 << 9) | (0 << 8) | (3 << 5) | (0 << 4) | (5 << 1) | (0 << 0), // setup
598
599 600, // inv_gain
600 10, // time_stabiliz
601
602 0, // alpha_level
603 118, // thlock
604
605 0, // wbd_inv
606 3530, // wbd_ref
607 1, // wbd_sel
608 5, // wbd_alpha
609
610 65535, // agc1_max
611 0, // agc1_min
612
613 65535, // agc2_max
614 0, // agc2_min
615
616 0, // agc1_pt1
617 40, // agc1_pt2
618 183, // agc1_pt3
619 206, // agc1_slope1
620 255, // agc1_slope2
621 72, // agc2_pt1
622 152, // agc2_pt2
623 88, // agc2_slope1
624 90, // agc2_slope2
625
626 17, // alpha_mant
627 27, // alpha_exp
628 23, // beta_mant
629 51, // beta_exp
630
631 0, // perform_agc_softsplit
632};
633
634static int dib7070_tuner_reset(struct dvb_frontend *fe, int onoff)
635{
636 return dib7000p_set_gpio(fe, 8, 0, !onoff);
637}
638
639static int dib7070_tuner_sleep(struct dvb_frontend *fe, int onoff)
640{
641 return dib7000p_set_gpio(fe, 9, 0, onoff);
642}
643
644static struct dib0070_config dib7070p_dib0070_config[2] = {
645 {
646 .i2c_address = DEFAULT_DIB0070_I2C_ADDRESS,
647 .reset = dib7070_tuner_reset,
648 .sleep = dib7070_tuner_sleep,
649 .clock_khz = 12000,
650 .clock_pad_drive = 4
651 }, {
652 .i2c_address = DEFAULT_DIB0070_I2C_ADDRESS,
653 .reset = dib7070_tuner_reset,
654 .sleep = dib7070_tuner_sleep,
655 .clock_khz = 12000,
656
657 }
658};
659
660static int dib7070_set_param_override(struct dvb_frontend *fe, struct dvb_frontend_parameters *fep)
661{
662 struct dvb_usb_adapter *adap = fe->dvb->priv;
663 struct dib0700_adapter_state *state = adap->priv;
664
665 u16 offset;
666 u8 band = BAND_OF_FREQUENCY(fep->frequency/1000);
667 switch (band) {
668 case BAND_VHF: offset = 950; break;
669 case BAND_UHF:
670 default: offset = 550; break;
671 }
672 deb_info("WBD for DiB7000P: %d\n", offset + dib0070_wbd_offset(fe));
673 dib7000p_set_wbd_ref(fe, offset + dib0070_wbd_offset(fe));
674 return state->set_param_save(fe, fep);
675}
676
677static int dib7070p_tuner_attach(struct dvb_usb_adapter *adap)
678{
679 struct dib0700_adapter_state *st = adap->priv;
680 struct i2c_adapter *tun_i2c = dib7000p_get_i2c_master(adap->fe, DIBX000_I2C_INTERFACE_TUNER, 1);
681
682 if (adap->id == 0) {
683 if (dvb_attach(dib0070_attach, adap->fe, tun_i2c, &dib7070p_dib0070_config[0]) == NULL)
684 return -ENODEV;
685 } else {
686 if (dvb_attach(dib0070_attach, adap->fe, tun_i2c, &dib7070p_dib0070_config[1]) == NULL)
687 return -ENODEV;
688 }
689
690 st->set_param_save = adap->fe->ops.tuner_ops.set_params;
691 adap->fe->ops.tuner_ops.set_params = dib7070_set_param_override;
692 return 0;
693}
694
695static struct dibx000_bandwidth_config dib7070_bw_config_12_mhz = {
696 60000, 15000, // internal, sampling
697 1, 20, 3, 1, 0, // pll_cfg: prediv, ratio, range, reset, bypass
698 0, 0, 1, 1, 2, // misc: refdiv, bypclk_div, IO_CLK_en_core, ADClkSrc, modulo
699 (3 << 14) | (1 << 12) | (524 << 0), // sad_cfg: refsel, sel, freq_15k
700 (0 << 25) | 0, // ifreq = 0.000000 MHz
701 20452225, // timf
702 12000000, // xtal_hz
703};
704
705static struct dib7000p_config dib7070p_dib7000p_config = {
706 .output_mpeg2_in_188_bytes = 1,
707
708 .agc_config_count = 1,
709 .agc = &dib7070_agc_config,
710 .bw = &dib7070_bw_config_12_mhz,
711
712 .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
713 .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
714 .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
715
716 .hostbus_diversity = 1,
717};
718
719/* STK7070P */
720static int stk7070p_frontend_attach(struct dvb_usb_adapter *adap)
721{
722 dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1);
723 msleep(10);
724 dib0700_set_gpio(adap->dev, GPIO9, GPIO_OUT, 1);
725 dib0700_set_gpio(adap->dev, GPIO4, GPIO_OUT, 1);
726 dib0700_set_gpio(adap->dev, GPIO7, GPIO_OUT, 1);
727 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0);
728
729 dib0700_ctrl_clock(adap->dev, 72, 1);
730
731 msleep(10);
732 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1);
733 msleep(10);
734 dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1);
735
736 dib7000p_i2c_enumeration(&adap->dev->i2c_adap, 1, 18, &dib7070p_dib7000p_config);
737
738 adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap, 0x80, &dib7070p_dib7000p_config);
739 return adap->fe == NULL ? -ENODEV : 0;
740}
741
742/* STK7070PD */
743static struct dib7000p_config stk7070pd_dib7000p_config[2] = {
744 {
745 .output_mpeg2_in_188_bytes = 1,
746
747 .agc_config_count = 1,
748 .agc = &dib7070_agc_config,
749 .bw = &dib7070_bw_config_12_mhz,
750
751 .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
752 .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
753 .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
754
755 .hostbus_diversity = 1,
756 }, {
757 .output_mpeg2_in_188_bytes = 1,
758
759 .agc_config_count = 1,
760 .agc = &dib7070_agc_config,
761 .bw = &dib7070_bw_config_12_mhz,
762
763 .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
764 .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
765 .gpio_pwm_pos = DIB7000P_GPIO_DEFAULT_PWM_POS,
766
767 .hostbus_diversity = 1,
768 }
769};
770
771static int stk7070pd_frontend_attach0(struct dvb_usb_adapter *adap)
772{
773 dib0700_set_gpio(adap->dev, GPIO6, GPIO_OUT, 1);
774 msleep(10);
775 dib0700_set_gpio(adap->dev, GPIO9, GPIO_OUT, 1);
776 dib0700_set_gpio(adap->dev, GPIO4, GPIO_OUT, 1);
777 dib0700_set_gpio(adap->dev, GPIO7, GPIO_OUT, 1);
778 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 0);
779
780 dib0700_ctrl_clock(adap->dev, 72, 1);
781
782 msleep(10);
783 dib0700_set_gpio(adap->dev, GPIO10, GPIO_OUT, 1);
784 msleep(10);
785 dib0700_set_gpio(adap->dev, GPIO0, GPIO_OUT, 1);
786
787 dib7000p_i2c_enumeration(&adap->dev->i2c_adap, 2, 18, stk7070pd_dib7000p_config);
788
789 adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap, 0x80, &stk7070pd_dib7000p_config[0]);
790 return adap->fe == NULL ? -ENODEV : 0;
791}
792
793static int stk7070pd_frontend_attach1(struct dvb_usb_adapter *adap)
794{
795 adap->fe = dvb_attach(dib7000p_attach, &adap->dev->i2c_adap, 0x82, &stk7070pd_dib7000p_config[1]);
796 return adap->fe == NULL ? -ENODEV : 0;
797}
798
799/* DVB-USB and USB stuff follows */
b7f54910 800struct usb_device_id dib0700_usb_id_table[] = {
01373a5c 801/* 0 */ { USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_STK7700P) },
49a1376c
TK		 802 { USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_STK7700P_PC) },
803
b7f54910 804 { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_500) },
d535cfa7 805 { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_500_2) },
b7f54910 806 { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_STICK) },
01373a5c 807/* 5 */ { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR) },
49a1376c 808 { USB_DEVICE(USB_VID_COMPRO, USB_PID_COMPRO_VIDEOMATE_U500) },
0ce215e1 809 { USB_DEVICE(USB_VID_UNIWILL, USB_PID_UNIWILL_STK7700P) },
8637a875 810 { USB_DEVICE(USB_VID_LEADTEK, USB_PID_WINFAST_DTV_DONGLE_STK7700P) },
f9aeba45 811 { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_T_STICK_2) },
01373a5c 812/* 10 */{ USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_VOLAR_2) },
54d75eba
OD		 813 { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV2000E) },
814 { USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY) },
815 { USB_DEVICE(USB_VID_HAUPPAUGE, USB_PID_HAUPPAUGE_NOVA_TD_STICK) },
b6884a17 816 { USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_STK7700D) },
01373a5c
PB		 817/* 15 */{ USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_STK7070P) },
818 { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV_DVB_T_FLASH) },
819 { USB_DEVICE(USB_VID_DIBCOM, USB_PID_DIBCOM_STK7070PD) },
820 { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV_DUAL_DIVERSITY_DVB_T) },
1f8ca4b3 821 { USB_DEVICE(USB_VID_COMPRO, USB_PID_COMPRO_VIDEOMATE_U500_PC) },
01373a5c 822 { 0 } /* Terminating entry */
b7f54910
PB		 823};
824MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table);
825
826#define DIB0700_DEFAULT_DEVICE_PROPERTIES \
827 .caps = DVB_USB_IS_AN_I2C_ADAPTER, \
828 .usb_ctrl = DEVICE_SPECIFIC, \
01373a5c 829 .firmware = "dvb-usb-dib0700-03-pre1.fw", \
b7f54910 830 .download_firmware = dib0700_download_firmware, \
6958effe 831 .no_reconnect = 1, \
b7f54910 832 .size_of_priv = sizeof(struct dib0700_state), \
6958effe
PB		 833 .i2c_algo = &dib0700_i2c_algo, \
834 .identify_state = dib0700_identify_state
b7f54910
PB		 835
836#define DIB0700_DEFAULT_STREAMING_CONFIG(ep) \
837 .streaming_ctrl = dib0700_streaming_ctrl, \
838 .stream = { \
839 .type = USB_BULK, \
840 .count = 4, \
841 .endpoint = ep, \
842 .u = { \
843 .bulk = { \
844 .buffersize = 39480, \
845 } \
846 } \
847 }
848
849struct dvb_usb_device_properties dib0700_devices[] = {
850 {
851 DIB0700_DEFAULT_DEVICE_PROPERTIES,
852
853 .num_adapters = 1,
854 .adapter = {
855 {
856 .frontend_attach = stk7700p_frontend_attach,
857 .tuner_attach = stk7700p_tuner_attach,
858
859 DIB0700_DEFAULT_STREAMING_CONFIG(0x02),
860 },
861 },
862
8637a875 863 .num_device_descs = 6,
b7f54910
PB		 864 .devices = {
865 { "DiBcom STK7700P reference design",
49a1376c 866 { &dib0700_usb_id_table[0], &dib0700_usb_id_table[1] },
b7f54910
PB		 867 { NULL },
868 },
869 { "Hauppauge Nova-T Stick",
f9aeba45 870 { &dib0700_usb_id_table[4], &dib0700_usb_id_table[9], NULL },
b7f54910
PB		 871 { NULL },
872 },
873 { "AVerMedia AVerTV DVB-T Volar",
ced8feca 874 { &dib0700_usb_id_table[5], &dib0700_usb_id_table[10] },
b7f54910
PB		 875 { NULL },
876 },
49a1376c 877 { "Compro Videomate U500",
1f8ca4b3 878 { &dib0700_usb_id_table[6], &dib0700_usb_id_table[19] },
49a1376c 879 { NULL },
0ce215e1
HS		 880 },
881 { "Uniwill STK7700P based (Hama and others)",
882 { &dib0700_usb_id_table[7], NULL },
883 { NULL },
8637a875
MK		 884 },
885 { "Leadtek Winfast DTV Dongle (STK7700P based)",
886 { &dib0700_usb_id_table[8], NULL },
887 { NULL },
49a1376c 888 }
b7f54910
PB		 889 }
890 }, { DIB0700_DEFAULT_DEVICE_PROPERTIES,
891
892 .num_adapters = 2,
893 .adapter = {
894 {
895 .frontend_attach = bristol_frontend_attach,
896 .tuner_attach = bristol_tuner_attach,
897
898 DIB0700_DEFAULT_STREAMING_CONFIG(0x02),
899 }, {
900 .frontend_attach = bristol_frontend_attach,
901 .tuner_attach = bristol_tuner_attach,
902
903 DIB0700_DEFAULT_STREAMING_CONFIG(0x03),
904 }
905 },
906
907 .num_device_descs = 1,
908 .devices = {
909 { "Hauppauge Nova-T 500 Dual DVB-T",
49a1376c 910 { &dib0700_usb_id_table[2], &dib0700_usb_id_table[3], NULL },
b7f54910
PB		 911 { NULL },
912 },
82f3d559
JG		 913 },
914
915 .rc_interval = DEFAULT_RC_INTERVAL,
916 .rc_key_map = dib0700_rc_keys,
8779737b 917 .rc_key_map_size = ARRAY_SIZE(dib0700_rc_keys),
82f3d559 918 .rc_query = dib0700_rc_query
54d75eba
OD		 919 }, { DIB0700_DEFAULT_DEVICE_PROPERTIES,
920
921 .num_adapters = 2,
922 .adapter = {
923 {
924 .frontend_attach = stk7700d_frontend_attach,
925 .tuner_attach = stk7700d_tuner_attach,
926
927 DIB0700_DEFAULT_STREAMING_CONFIG(0x02),
928 }, {
929 .frontend_attach = stk7700d_frontend_attach,
930 .tuner_attach = stk7700d_tuner_attach,
931
932 DIB0700_DEFAULT_STREAMING_CONFIG(0x03),
933 }
934 },
935
b6884a17 936 .num_device_descs = 4,
54d75eba
OD		 937 .devices = {
938 { "Pinnacle PCTV 2000e",
939 { &dib0700_usb_id_table[11], NULL },
940 { NULL },
941 },
942 { "Terratec Cinergy DT XS Diversity",
943 { &dib0700_usb_id_table[12], NULL },
944 { NULL },
945 },
01373a5c 946 { "Haupauge Nova-TD Stick/Elgato Eye-TV Diversity",
54d75eba
OD		 947 { &dib0700_usb_id_table[13], NULL },
948 { NULL },
949 },
01373a5c 950 { "DiBcom STK7700D reference design",
b6884a17
PB		 951 { &dib0700_usb_id_table[14], NULL },
952 { NULL },
953 },
54d75eba 954 },
82f3d559 955
54d75eba 956 .rc_interval = DEFAULT_RC_INTERVAL,
82f3d559 957 .rc_key_map = dib0700_rc_keys,
8779737b 958 .rc_key_map_size = ARRAY_SIZE(dib0700_rc_keys),
82f3d559 959 .rc_query = dib0700_rc_query
01373a5c
PB		 960
961 }, { DIB0700_DEFAULT_DEVICE_PROPERTIES,
962
963 .num_adapters = 1,
964 .adapter = {
965 {
966 .frontend_attach = stk7070p_frontend_attach,
967 .tuner_attach = dib7070p_tuner_attach,
968
969 DIB0700_DEFAULT_STREAMING_CONFIG(0x02),
970
971 .size_of_priv = sizeof(struct dib0700_adapter_state),
972 },
973 },
974
975 .num_device_descs = 2,
976 .devices = {
977 { "DiBcom STK7070P reference design",
978 { &dib0700_usb_id_table[15], NULL },
979 { NULL },
980 },
981 { "Pinnacle PCTV DVB-T Flash Stick",
982 { &dib0700_usb_id_table[16], NULL },
983 { NULL },
984 },
985 }
986 }, { DIB0700_DEFAULT_DEVICE_PROPERTIES,
987
988 .num_adapters = 2,
989 .adapter = {
990 {
991 .frontend_attach = stk7070pd_frontend_attach0,
992 .tuner_attach = dib7070p_tuner_attach,
993
994 DIB0700_DEFAULT_STREAMING_CONFIG(0x02),
995
996 .size_of_priv = sizeof(struct dib0700_adapter_state),
997 }, {
998 .frontend_attach = stk7070pd_frontend_attach1,
999 .tuner_attach = dib7070p_tuner_attach,
1000
1001 DIB0700_DEFAULT_STREAMING_CONFIG(0x03),
1002
1003 .size_of_priv = sizeof(struct dib0700_adapter_state),
1004 }
1005 },
1006
1007 .num_device_descs = 2,
1008 .devices = {
1009 { "DiBcom STK7070PD reference design",
1010 { &dib0700_usb_id_table[17], NULL },
1011 { NULL },
1012 },
1013 { "Pinnacle PCTV Dual DVB-T Diversity Stick",
1014 { &dib0700_usb_id_table[18], NULL },
1015 { NULL },
1016 },
1017 }
1018 },
b7f54910
PB		 1019};
1020
1021int dib0700_device_count = ARRAY_SIZE(dib0700_devices);
Linux 6.x block layer and io_uring tree(s)