2 * cx18 functions for DVB support
4 * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
5 * Copyright (C) 2008 Andy Walls <awalls@radix.net>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "cx18-version.h"
26 #include "cx18-queue.h"
27 #include "cx18-streams.h"
28 #include "cx18-cards.h"
29 #include "cx18-gpio.h"
34 #include <linux/firmware.h>
36 #include "mt352_priv.h"
37 #include "tuner-xc2028.h"
39 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
41 #define CX18_REG_DMUX_NUM_PORT_0_CONTROL 0xd5a000
42 #define CX18_CLOCK_ENABLE2 0xc71024
43 #define CX18_DMUX_CLK_MASK 0x0080
46 * CX18_CARD_HVR_1600_ESMT
47 * CX18_CARD_HVR_1600_SAMSUNG
50 static struct mxl5005s_config hauppauge_hvr1600_tuner = {
51 .i2c_address = 0xC6 >> 1,
52 .if_freq = IF_FREQ_5380000HZ,
53 .xtal_freq = CRYSTAL_FREQ_16000000HZ,
54 .agc_mode = MXL_SINGLE_AGC,
55 .tracking_filter = MXL_TF_C_H,
56 .rssi_enable = MXL_RSSI_ENABLE,
57 .cap_select = MXL_CAP_SEL_ENABLE,
58 .div_out = MXL_DIV_OUT_4,
59 .clock_out = MXL_CLOCK_OUT_DISABLE,
60 .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM,
61 .top = MXL5005S_TOP_25P2,
62 .mod_mode = MXL_DIGITAL_MODE,
63 .if_mode = MXL_ZERO_IF,
65 .AgcMasterByte = 0x00,
68 static struct s5h1409_config hauppauge_hvr1600_config = {
69 .demod_address = 0x32 >> 1,
70 .output_mode = S5H1409_SERIAL_OUTPUT,
71 .gpio = S5H1409_GPIO_ON,
73 .inversion = S5H1409_INVERSION_OFF,
74 .status_mode = S5H1409_DEMODLOCKING,
75 .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
76 .hvr1600_opt = S5H1409_HVR1600_OPTIMIZE
80 * CX18_CARD_LEADTEK_DVR3100H
82 /* Information/confirmation of proper config values provided by Terry Wu */
83 static struct zl10353_config leadtek_dvr3100h_demod = {
84 .demod_address = 0x1e >> 1, /* Datasheet suggested straps */
85 .if2 = 45600, /* 4.560 MHz IF from the XC3028 */
86 .parallel_ts = 1, /* Not a serial TS */
87 .no_tuner = 1, /* XC3028 is not behind the gate */
88 .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */
92 * CX18_CARD_YUAN_MPC718
97 * 1. an absence of information on how to prgram the MT352
98 * 2. the Linux mt352 module pushing MT352 initialzation off onto us here
100 * We have to use an init sequence that *you* must extract from the Windows
101 * driver (yuanrap.sys) and which we load as a firmware.
103 * If someone can provide me with a Zarlink MT352 (Intel CE6352?) Design Manual
104 * with chip programming details, then I can remove this annoyance.
106 static int yuan_mpc718_mt352_reqfw(struct cx18_stream *stream,
107 const struct firmware **fw)
109 struct cx18 *cx = stream->cx;
110 const char *fn = "dvb-cx18-mpc718-mt352.fw";
113 ret = request_firmware(fw, fn, &cx->pci_dev->dev);
115 CX18_ERR("Unable to open firmware file %s\n", fn);
117 size_t sz = (*fw)->size;
118 if (sz < 2 || sz > 64 || (sz % 2) != 0) {
119 CX18_ERR("Firmware %s has a bad size: %lu bytes\n",
120 fn, (unsigned long) sz);
122 release_firmware(*fw);
128 CX18_ERR("The MPC718 board variant with the MT352 DVB-T"
129 "demodualtor will not work without it\n");
130 CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware "
131 "mpc718' if you need the firmware\n");
136 static int yuan_mpc718_mt352_init(struct dvb_frontend *fe)
138 struct cx18_dvb *dvb = container_of(fe->dvb,
139 struct cx18_dvb, dvb_adapter);
140 struct cx18_stream *stream = container_of(dvb, struct cx18_stream, dvb);
141 const struct firmware *fw = NULL;
146 ret = yuan_mpc718_mt352_reqfw(stream, &fw);
150 /* Loop through all the register-value pairs in the firmware file */
151 for (i = 0; i < fw->size; i += 2) {
152 buf[0] = fw->data[i];
153 /* Intercept a few registers we want to set ourselves */
155 case TRL_NOMINAL_RATE_0:
156 /* Set our custom OFDM bandwidth in the case below */
158 case TRL_NOMINAL_RATE_1:
159 /* 6 MHz: 64/7 * 6/8 / 20.48 * 2^16 = 0x55b6.db6 */
160 /* 7 MHz: 64/7 * 7/8 / 20.48 * 2^16 = 0x6400 */
161 /* 8 MHz: 64/7 * 8/8 / 20.48 * 2^16 = 0x7249.249 */
164 mt352_write(fe, buf, 3);
167 /* Set our custom IF in the case below */
170 /* 4.56 MHz IF: (20.48 - 4.56)/20.48 * 2^14 = 0x31c0 */
173 mt352_write(fe, buf, 3);
176 /* Pass through the register-value pair from the fw */
177 buf[1] = fw->data[i+1];
178 mt352_write(fe, buf, 2);
183 buf[0] = (u8) TUNER_GO;
184 buf[1] = 0x01; /* Go */
185 mt352_write(fe, buf, 2);
186 release_firmware(fw);
190 static struct mt352_config yuan_mpc718_mt352_demod = {
191 .demod_address = 0x1e >> 1,
192 .adc_clock = 20480, /* 20.480 MHz */
193 .if2 = 4560, /* 4.560 MHz */
194 .no_tuner = 1, /* XC3028 is not behind the gate */
195 .demod_init = yuan_mpc718_mt352_init,
198 static struct zl10353_config yuan_mpc718_zl10353_demod = {
199 .demod_address = 0x1e >> 1, /* Datasheet suggested straps */
200 .if2 = 45600, /* 4.560 MHz IF from the XC3028 */
201 .parallel_ts = 1, /* Not a serial TS */
202 .no_tuner = 1, /* XC3028 is not behind the gate */
203 .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */
206 static int dvb_register(struct cx18_stream *stream);
208 /* Kernel DVB framework calls this when the feed needs to start.
209 * The CX18 framework should enable the transport DMA handling
210 * and queue processing.
212 static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
214 struct dvb_demux *demux = feed->demux;
215 struct cx18_stream *stream = (struct cx18_stream *) demux->priv;
216 struct cx18 *cx = stream->cx;
220 CX18_DEBUG_INFO("Start feed: pid = 0x%x index = %d\n",
221 feed->pid, feed->index);
223 mutex_lock(&cx->serialize_lock);
224 ret = cx18_init_on_first_open(cx);
225 mutex_unlock(&cx->serialize_lock);
227 CX18_ERR("Failed to initialize firmware starting DVB feed\n");
232 switch (cx->card->type) {
233 case CX18_CARD_HVR_1600_ESMT:
234 case CX18_CARD_HVR_1600_SAMSUNG:
235 v = cx18_read_reg(cx, CX18_REG_DMUX_NUM_PORT_0_CONTROL);
236 v |= 0x00400000; /* Serial Mode */
237 v |= 0x00002000; /* Data Length - Byte */
238 v |= 0x00010000; /* Error - Polarity */
239 v |= 0x00020000; /* Error - Passthru */
240 v |= 0x000c0000; /* Error - Ignore */
241 cx18_write_reg(cx, v, CX18_REG_DMUX_NUM_PORT_0_CONTROL);
244 case CX18_CARD_LEADTEK_DVR3100H:
245 case CX18_CARD_YUAN_MPC718:
247 /* Assumption - Parallel transport - Signalling
248 * undefined or default.
253 if (!demux->dmx.frontend)
259 mutex_lock(&stream->dvb.feedlock);
260 if (stream->dvb.feeding++ == 0) {
261 CX18_DEBUG_INFO("Starting Transport DMA\n");
262 set_bit(CX18_F_S_STREAMING, &stream->s_flags);
263 ret = cx18_start_v4l2_encode_stream(stream);
265 CX18_DEBUG_INFO("Failed to start Transport DMA\n");
266 stream->dvb.feeding--;
267 if (stream->dvb.feeding == 0)
268 clear_bit(CX18_F_S_STREAMING, &stream->s_flags);
272 mutex_unlock(&stream->dvb.feedlock);
277 /* Kernel DVB framework calls this when the feed needs to stop. */
278 static int cx18_dvb_stop_feed(struct dvb_demux_feed *feed)
280 struct dvb_demux *demux = feed->demux;
281 struct cx18_stream *stream = (struct cx18_stream *)demux->priv;
282 struct cx18 *cx = stream->cx;
285 CX18_DEBUG_INFO("Stop feed: pid = 0x%x index = %d\n",
286 feed->pid, feed->index);
289 mutex_lock(&stream->dvb.feedlock);
290 if (--stream->dvb.feeding == 0) {
291 CX18_DEBUG_INFO("Stopping Transport DMA\n");
292 ret = cx18_stop_v4l2_encode_stream(stream, 0);
295 mutex_unlock(&stream->dvb.feedlock);
301 int cx18_dvb_register(struct cx18_stream *stream)
303 struct cx18 *cx = stream->cx;
304 struct cx18_dvb *dvb = &stream->dvb;
305 struct dvb_adapter *dvb_adapter;
306 struct dvb_demux *dvbdemux;
307 struct dmx_demux *dmx;
313 ret = dvb_register_adapter(&dvb->dvb_adapter,
315 THIS_MODULE, &cx->pci_dev->dev, adapter_nr);
319 dvb_adapter = &dvb->dvb_adapter;
321 dvbdemux = &dvb->demux;
323 dvbdemux->priv = (void *)stream;
325 dvbdemux->filternum = 256;
326 dvbdemux->feednum = 256;
327 dvbdemux->start_feed = cx18_dvb_start_feed;
328 dvbdemux->stop_feed = cx18_dvb_stop_feed;
329 dvbdemux->dmx.capabilities = (DMX_TS_FILTERING |
330 DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING);
331 ret = dvb_dmx_init(dvbdemux);
333 goto err_dvb_unregister_adapter;
335 dmx = &dvbdemux->dmx;
337 dvb->hw_frontend.source = DMX_FRONTEND_0;
338 dvb->mem_frontend.source = DMX_MEMORY_FE;
339 dvb->dmxdev.filternum = 256;
340 dvb->dmxdev.demux = dmx;
342 ret = dvb_dmxdev_init(&dvb->dmxdev, dvb_adapter);
344 goto err_dvb_dmx_release;
346 ret = dmx->add_frontend(dmx, &dvb->hw_frontend);
348 goto err_dvb_dmxdev_release;
350 ret = dmx->add_frontend(dmx, &dvb->mem_frontend);
352 goto err_remove_hw_frontend;
354 ret = dmx->connect_frontend(dmx, &dvb->hw_frontend);
356 goto err_remove_mem_frontend;
358 ret = dvb_register(stream);
360 goto err_disconnect_frontend;
362 dvb_net_init(dvb_adapter, &dvb->dvbnet, dmx);
364 CX18_INFO("DVB Frontend registered\n");
365 CX18_INFO("Registered DVB adapter%d for %s (%d x %d kB)\n",
366 stream->dvb.dvb_adapter.num, stream->name,
367 stream->buffers, stream->buf_size/1024);
369 mutex_init(&dvb->feedlock);
373 err_disconnect_frontend:
374 dmx->disconnect_frontend(dmx);
375 err_remove_mem_frontend:
376 dmx->remove_frontend(dmx, &dvb->mem_frontend);
377 err_remove_hw_frontend:
378 dmx->remove_frontend(dmx, &dvb->hw_frontend);
379 err_dvb_dmxdev_release:
380 dvb_dmxdev_release(&dvb->dmxdev);
382 dvb_dmx_release(dvbdemux);
383 err_dvb_unregister_adapter:
384 dvb_unregister_adapter(dvb_adapter);
389 void cx18_dvb_unregister(struct cx18_stream *stream)
391 struct cx18 *cx = stream->cx;
392 struct cx18_dvb *dvb = &stream->dvb;
393 struct dvb_adapter *dvb_adapter;
394 struct dvb_demux *dvbdemux;
395 struct dmx_demux *dmx;
397 CX18_INFO("unregister DVB\n");
399 dvb_adapter = &dvb->dvb_adapter;
400 dvbdemux = &dvb->demux;
401 dmx = &dvbdemux->dmx;
404 dvb_net_release(&dvb->dvbnet);
405 dmx->remove_frontend(dmx, &dvb->mem_frontend);
406 dmx->remove_frontend(dmx, &dvb->hw_frontend);
407 dvb_dmxdev_release(&dvb->dmxdev);
408 dvb_dmx_release(dvbdemux);
409 dvb_unregister_frontend(dvb->fe);
410 dvb_frontend_detach(dvb->fe);
411 dvb_unregister_adapter(dvb_adapter);
414 /* All the DVB attach calls go here, this function get's modified
415 * for each new card. cx18_dvb_start_feed() will also need changes.
417 static int dvb_register(struct cx18_stream *stream)
419 struct cx18_dvb *dvb = &stream->dvb;
420 struct cx18 *cx = stream->cx;
423 switch (cx->card->type) {
424 case CX18_CARD_HVR_1600_ESMT:
425 case CX18_CARD_HVR_1600_SAMSUNG:
426 dvb->fe = dvb_attach(s5h1409_attach,
427 &hauppauge_hvr1600_config,
429 if (dvb->fe != NULL) {
430 dvb_attach(mxl5005s_attach, dvb->fe,
432 &hauppauge_hvr1600_tuner);
436 case CX18_CARD_LEADTEK_DVR3100H:
437 dvb->fe = dvb_attach(zl10353_attach,
438 &leadtek_dvr3100h_demod,
440 if (dvb->fe != NULL) {
441 struct dvb_frontend *fe;
442 struct xc2028_config cfg = {
443 .i2c_adap = &cx->i2c_adap[1],
444 .i2c_addr = 0xc2 >> 1,
447 static struct xc2028_ctrl ctrl = {
448 .fname = XC2028_DEFAULT_FIRMWARE,
450 .demod = XC3028_FE_ZARLINK456,
454 fe = dvb_attach(xc2028_attach, dvb->fe, &cfg);
455 if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
456 fe->ops.tuner_ops.set_config(fe, &ctrl);
459 case CX18_CARD_YUAN_MPC718:
462 * Apparently, these cards also could instead have a
463 * DiBcom demod supported by one of the db7000 drivers
465 dvb->fe = dvb_attach(mt352_attach,
466 &yuan_mpc718_mt352_demod,
469 dvb->fe = dvb_attach(zl10353_attach,
470 &yuan_mpc718_zl10353_demod,
472 if (dvb->fe != NULL) {
473 struct dvb_frontend *fe;
474 struct xc2028_config cfg = {
475 .i2c_adap = &cx->i2c_adap[1],
476 .i2c_addr = 0xc2 >> 1,
479 static struct xc2028_ctrl ctrl = {
480 .fname = XC2028_DEFAULT_FIRMWARE,
482 .demod = XC3028_FE_ZARLINK456,
486 fe = dvb_attach(xc2028_attach, dvb->fe, &cfg);
487 if (fe != NULL && fe->ops.tuner_ops.set_config != NULL)
488 fe->ops.tuner_ops.set_config(fe, &ctrl);
492 /* No Digital Tv Support */
496 if (dvb->fe == NULL) {
497 CX18_ERR("frontend initialization failed\n");
501 dvb->fe->callback = cx18_reset_tuner_gpio;
503 ret = dvb_register_frontend(&dvb->dvb_adapter, dvb->fe);
505 if (dvb->fe->ops.release)
506 dvb->fe->ops.release(dvb->fe);
511 * The firmware seems to enable the TS DMUX clock
512 * under various circumstances. However, since we know we
513 * might use it, let's just turn it on ourselves here.
515 cx18_write_reg_expect(cx,
516 (CX18_DMUX_CLK_MASK << 16) | CX18_DMUX_CLK_MASK,
519 (CX18_DMUX_CLK_MASK << 16) | CX18_DMUX_CLK_MASK);