/* * cx18 functions for DVB support * * Copyright (c) 2008 Steven Toth * Copyright (C) 2008 Andy Walls * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "cx18-version.h" #include "cx18-dvb.h" #include "cx18-io.h" #include "cx18-queue.h" #include "cx18-streams.h" #include "cx18-cards.h" #include "cx18-gpio.h" #include "s5h1409.h" #include "mxl5005s.h" #include "zl10353.h" #include #include "mt352.h" #include "mt352_priv.h" #include "tuner-xc2028.h" DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); #define CX18_REG_DMUX_NUM_PORT_0_CONTROL 0xd5a000 #define CX18_CLOCK_ENABLE2 0xc71024 #define CX18_DMUX_CLK_MASK 0x0080 /* * CX18_CARD_HVR_1600_ESMT * CX18_CARD_HVR_1600_SAMSUNG */ static struct mxl5005s_config hauppauge_hvr1600_tuner = { .i2c_address = 0xC6 >> 1, .if_freq = IF_FREQ_5380000HZ, .xtal_freq = CRYSTAL_FREQ_16000000HZ, .agc_mode = MXL_SINGLE_AGC, .tracking_filter = MXL_TF_C_H, .rssi_enable = MXL_RSSI_ENABLE, .cap_select = MXL_CAP_SEL_ENABLE, .div_out = MXL_DIV_OUT_4, .clock_out = MXL_CLOCK_OUT_DISABLE, .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, .top = MXL5005S_TOP_25P2, .mod_mode = MXL_DIGITAL_MODE, .if_mode = MXL_ZERO_IF, .qam_gain = 0x02, .AgcMasterByte = 0x00, }; static struct s5h1409_config hauppauge_hvr1600_config = { .demod_address = 0x32 >> 1, .output_mode = S5H1409_SERIAL_OUTPUT, .gpio = S5H1409_GPIO_ON, .qam_if = 44000, .inversion = S5H1409_INVERSION_OFF, .status_mode = S5H1409_DEMODLOCKING, .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, .hvr1600_opt = S5H1409_HVR1600_OPTIMIZE }; /* * CX18_CARD_LEADTEK_DVR3100H */ /* Information/confirmation of proper config values provided by Terry Wu */ static struct zl10353_config leadtek_dvr3100h_demod = { .demod_address = 0x1e >> 1, /* Datasheet suggested straps */ .if2 = 45600, /* 4.560 MHz IF from the XC3028 */ .parallel_ts = 1, /* Not a serial TS */ .no_tuner = 1, /* XC3028 is not behind the gate */ .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */ }; /* * CX18_CARD_YUAN_MPC718 */ /* * Due to * * 1. an absence of information on how to prgram the MT352 * 2. the Linux mt352 module pushing MT352 initialzation off onto us here * * We have to use an init sequence that *you* must extract from the Windows * driver (yuanrap.sys) and which we load as a firmware. * * If someone can provide me with a Zarlink MT352 (Intel CE6352?) Design Manual * with chip programming details, then I can remove this annoyance. */ static int yuan_mpc718_mt352_reqfw(struct cx18_stream *stream, const struct firmware **fw) { struct cx18 *cx = stream->cx; const char *fn = "dvb-cx18-mpc718-mt352.fw"; int ret; ret = request_firmware(fw, fn, &cx->pci_dev->dev); if (ret) CX18_ERR("Unable to open firmware file %s\n", fn); else { size_t sz = (*fw)->size; if (sz < 2 || sz > 64 || (sz % 2) != 0) { CX18_ERR("Firmware %s has a bad size: %lu bytes\n", fn, (unsigned long) sz); ret = -EILSEQ; release_firmware(*fw); *fw = NULL; } } if (ret) { CX18_ERR("The MPC718 board variant with the MT352 DVB-T" "demodualtor will not work without it\n"); CX18_ERR("Run 'linux/Documentation/dvb/get_dvb_firmware " "mpc718' if you need the firmware\n"); } return ret; } static int yuan_mpc718_mt352_init(struct dvb_frontend *fe) { struct cx18_dvb *dvb = container_of(fe->dvb, struct cx18_dvb, dvb_adapter); struct cx18_stream *stream = container_of(dvb, struct cx18_stream, dvb); const struct firmware *fw = NULL; int ret; int i; u8 buf[3]; ret = yuan_mpc718_mt352_reqfw(stream, &fw); if (ret) return ret; /* Loop through all the register-value pairs in the firmware file */ for (i = 0; i < fw->size; i += 2) { buf[0] = fw->data[i]; /* Intercept a few registers we want to set ourselves */ switch (buf[0]) { case TRL_NOMINAL_RATE_0: /* Set our custom OFDM bandwidth in the case below */ break; case TRL_NOMINAL_RATE_1: /* 6 MHz: 64/7 * 6/8 / 20.48 * 2^16 = 0x55b6.db6 */ /* 7 MHz: 64/7 * 7/8 / 20.48 * 2^16 = 0x6400 */ /* 8 MHz: 64/7 * 8/8 / 20.48 * 2^16 = 0x7249.249 */ buf[1] = 0x72; buf[2] = 0x49; mt352_write(fe, buf, 3); break; case INPUT_FREQ_0: /* Set our custom IF in the case below */ break; case INPUT_FREQ_1: /* 4.56 MHz IF: (20.48 - 4.56)/20.48 * 2^14 = 0x31c0 */ buf[1] = 0x31; buf[2] = 0xc0; mt352_write(fe, buf, 3); break; default: /* Pass through the register-value pair from the fw */ buf[1] = fw->data[i+1]; mt352_write(fe, buf, 2); break; } } buf[0] = (u8) TUNER_GO; buf[1] = 0x01; /* Go */ mt352_write(fe, buf, 2); release_firmware(fw); return 0; } static struct mt352_config yuan_mpc718_mt352_demod = { .demod_address = 0x1e >> 1, .adc_clock = 20480, /* 20.480 MHz */ .if2 = 4560, /* 4.560 MHz */ .no_tuner = 1, /* XC3028 is not behind the gate */ .demod_init = yuan_mpc718_mt352_init, }; static struct zl10353_config yuan_mpc718_zl10353_demod = { .demod_address = 0x1e >> 1, /* Datasheet suggested straps */ .if2 = 45600, /* 4.560 MHz IF from the XC3028 */ .parallel_ts = 1, /* Not a serial TS */ .no_tuner = 1, /* XC3028 is not behind the gate */ .disable_i2c_gate_ctrl = 1, /* Disable the I2C gate */ }; static int dvb_register(struct cx18_stream *stream); /* Kernel DVB framework calls this when the feed needs to start. * The CX18 framework should enable the transport DMA handling * and queue processing. */ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct cx18_stream *stream = (struct cx18_stream *) demux->priv; struct cx18 *cx; int ret; u32 v; if (!stream) return -EINVAL; cx = stream->cx; CX18_DEBUG_INFO("Start feed: pid = 0x%x index = %d\n", feed->pid, feed->index); mutex_lock(&cx->serialize_lock); ret = cx18_init_on_first_open(cx); mutex_unlock(&cx->serialize_lock); if (ret) { CX18_ERR("Failed to initialize firmware starting DVB feed\n"); return ret; } ret = -EINVAL; switch (cx->card->type) { case CX18_CARD_HVR_1600_ESMT: case CX18_CARD_HVR_1600_SAMSUNG: v = cx18_read_reg(cx, CX18_REG_DMUX_NUM_PORT_0_CONTROL); v |= 0x00400000; /* Serial Mode */ v |= 0x00002000; /* Data Length - Byte */ v |= 0x00010000; /* Error - Polarity */ v |= 0x00020000; /* Error - Passthru */ v |= 0x000c0000; /* Error - Ignore */ cx18_write_reg(cx, v, CX18_REG_DMUX_NUM_PORT_0_CONTROL); break; case CX18_CARD_LEADTEK_DVR3100H: case CX18_CARD_YUAN_MPC718: default: /* Assumption - Parallel transport - Signalling * undefined or default. */ break; } if (!demux->dmx.frontend) return -EINVAL; mutex_lock(&stream->dvb.feedlock); if (stream->dvb.feeding++ == 0) { CX18_DEBUG_INFO("Starting Transport DMA\n"); set_bit(CX18_F_S_STREAMING, &stream->s_flags); ret = cx18_start_v4l2_encode_stream(stream); if (ret < 0) { CX18_DEBUG_INFO("Failed to start Transport DMA\n"); stream->dvb.feeding--; if (stream->dvb.feeding == 0) clear_bit(CX18_F_S_STREAMING, &stream->s_flags); } } else ret = 0; mutex_unlock(&stream->dvb.feedlock); return ret; } /* Kernel DVB framework calls this when the feed needs to stop. */ static int cx18_dvb_stop_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct cx18_stream *stream = (struct cx18_stream *)demux->priv; struct cx18 *cx; int ret = -EINVAL; if (stream) { cx = stream->cx; CX18_DEBUG_INFO("Stop feed: pid = 0x%x index = %d\n", feed->pid, feed->index); mutex_lock(&stream->dvb.feedlock); if (--stream->dvb.feeding == 0) { CX18_DEBUG_INFO("Stopping Transport DMA\n"); ret = cx18_stop_v4l2_encode_stream(stream, 0); } else ret = 0; mutex_unlock(&stream->dvb.feedlock); } return ret; } int cx18_dvb_register(struct cx18_stream *stream) { struct cx18 *cx = stream->cx; struct cx18_dvb *dvb = &stream->dvb; struct dvb_adapter *dvb_adapter; struct dvb_demux *dvbdemux; struct dmx_demux *dmx; int ret; if (!dvb) return -EINVAL; ret = dvb_register_adapter(&dvb->dvb_adapter, CX18_DRIVER_NAME, THIS_MODULE, &cx->pci_dev->dev, adapter_nr); if (ret < 0) goto err_out; dvb_adapter = &dvb->dvb_adapter; dvbdemux = &dvb->demux; dvbdemux->priv = (void *)stream; dvbdemux->filternum = 256; dvbdemux->feednum = 256; dvbdemux->start_feed = cx18_dvb_start_feed; dvbdemux->stop_feed = cx18_dvb_stop_feed; dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING); ret = dvb_dmx_init(dvbdemux); if (ret < 0) goto err_dvb_unregister_adapter; dmx = &dvbdemux->dmx; dvb->hw_frontend.source = DMX_FRONTEND_0; dvb->mem_frontend.source = DMX_MEMORY_FE; dvb->dmxdev.filternum = 256; dvb->dmxdev.demux = dmx; ret = dvb_dmxdev_init(&dvb->dmxdev, dvb_adapter); if (ret < 0) goto err_dvb_dmx_release; ret = dmx->add_frontend(dmx, &dvb->hw_frontend); if (ret < 0) goto err_dvb_dmxdev_release; ret = dmx->add_frontend(dmx, &dvb->mem_frontend); if (ret < 0) goto err_remove_hw_frontend; ret = dmx->connect_frontend(dmx, &dvb->hw_frontend); if (ret < 0) goto err_remove_mem_frontend; ret = dvb_register(stream); if (ret < 0) goto err_disconnect_frontend; dvb_net_init(dvb_adapter, &dvb->dvbnet, dmx); CX18_INFO("DVB Frontend registered\n"); CX18_INFO("Registered DVB adapter%d for %s (%d x %d.%02d kB)\n", stream->dvb.dvb_adapter.num, stream->name, stream->buffers, stream->buf_size/1024, (stream->buf_size * 100 / 1024) % 100); mutex_init(&dvb->feedlock); dvb->enabled = 1; return ret; err_disconnect_frontend: dmx->disconnect_frontend(dmx); err_remove_mem_frontend: dmx->remove_frontend(dmx, &dvb->mem_frontend); err_remove_hw_frontend: dmx->remove_frontend(dmx, &dvb->hw_frontend); err_dvb_dmxdev_release: dvb_dmxdev_release(&dvb->dmxdev); err_dvb_dmx_release: dvb_dmx_release(dvbdemux); err_dvb_unregister_adapter: dvb_unregister_adapter(dvb_adapter); err_out: return ret; } void cx18_dvb_unregister(struct cx18_stream *stream) { struct cx18 *cx = stream->cx; struct cx18_dvb *dvb = &stream->dvb; struct dvb_adapter *dvb_adapter; struct dvb_demux *dvbdemux; struct dmx_demux *dmx; CX18_INFO("unregister DVB\n"); dvb_adapter = &dvb->dvb_adapter; dvbdemux = &dvb->demux; dmx = &dvbdemux->dmx; dmx->close(dmx); dvb_net_release(&dvb->dvbnet); dmx->remove_frontend(dmx, &dvb->mem_frontend); dmx->remove_frontend(dmx, &dvb->hw_frontend); dvb_dmxdev_release(&dvb->dmxdev); dvb_dmx_release(dvbdemux); dvb_unregister_frontend(dvb->fe); dvb_frontend_detach(dvb->fe); dvb_unregister_adapter(dvb_adapter); } /* All the DVB attach calls go here, this function get's modified * for each new card. cx18_dvb_start_feed() will also need changes. */ static int dvb_register(struct cx18_stream *stream) { struct cx18_dvb *dvb = &stream->dvb; struct cx18 *cx = stream->cx; int ret = 0; switch (cx->card->type) { case CX18_CARD_HVR_1600_ESMT: case CX18_CARD_HVR_1600_SAMSUNG: dvb->fe = dvb_attach(s5h1409_attach, &hauppauge_hvr1600_config, &cx->i2c_adap[0]); if (dvb->fe != NULL) { dvb_attach(mxl5005s_attach, dvb->fe, &cx->i2c_adap[0], &hauppauge_hvr1600_tuner); ret = 0; } break; case CX18_CARD_LEADTEK_DVR3100H: dvb->fe = dvb_attach(zl10353_attach, &leadtek_dvr3100h_demod, &cx->i2c_adap[1]); if (dvb->fe != NULL) { struct dvb_frontend *fe; struct xc2028_config cfg = { .i2c_adap = &cx->i2c_adap[1], .i2c_addr = 0xc2 >> 1, .ctrl = NULL, }; static struct xc2028_ctrl ctrl = { .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, .demod = XC3028_FE_ZARLINK456, .type = XC2028_AUTO, }; fe = dvb_attach(xc2028_attach, dvb->fe, &cfg); if (fe != NULL && fe->ops.tuner_ops.set_config != NULL) fe->ops.tuner_ops.set_config(fe, &ctrl); } break; case CX18_CARD_YUAN_MPC718: /* * TODO * Apparently, these cards also could instead have a * DiBcom demod supported by one of the db7000 drivers */ dvb->fe = dvb_attach(mt352_attach, &yuan_mpc718_mt352_demod, &cx->i2c_adap[1]); if (dvb->fe == NULL) dvb->fe = dvb_attach(zl10353_attach, &yuan_mpc718_zl10353_demod, &cx->i2c_adap[1]); if (dvb->fe != NULL) { struct dvb_frontend *fe; struct xc2028_config cfg = { .i2c_adap = &cx->i2c_adap[1], .i2c_addr = 0xc2 >> 1, .ctrl = NULL, }; static struct xc2028_ctrl ctrl = { .fname = XC2028_DEFAULT_FIRMWARE, .max_len = 64, .demod = XC3028_FE_ZARLINK456, .type = XC2028_AUTO, }; fe = dvb_attach(xc2028_attach, dvb->fe, &cfg); if (fe != NULL && fe->ops.tuner_ops.set_config != NULL) fe->ops.tuner_ops.set_config(fe, &ctrl); } break; default: /* No Digital Tv Support */ break; } if (dvb->fe == NULL) { CX18_ERR("frontend initialization failed\n"); return -1; } dvb->fe->callback = cx18_reset_tuner_gpio; ret = dvb_register_frontend(&dvb->dvb_adapter, dvb->fe); if (ret < 0) { if (dvb->fe->ops.release) dvb->fe->ops.release(dvb->fe); return ret; } /* * The firmware seems to enable the TS DMUX clock * under various circumstances. However, since we know we * might use it, let's just turn it on ourselves here. */ cx18_write_reg_expect(cx, (CX18_DMUX_CLK_MASK << 16) | CX18_DMUX_CLK_MASK, CX18_CLOCK_ENABLE2, CX18_DMUX_CLK_MASK, (CX18_DMUX_CLK_MASK << 16) | CX18_DMUX_CLK_MASK); return ret; }