--- /dev/null
+/*
+ * cx18 functions for DVB support
+ *
+ * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
+ * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net>
+ *
+ * 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 "s5h1411.h"
+#include "tda18271.h"
+#include "zl10353.h"
+
+#include <linux/firmware.h>
+#include "mt352.h"
+#include "mt352_priv.h"
+#include "tuner-xc2028.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+#define FWFILE "dvb-cx18-mpc718-mt352.fw"
+
+#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_HVR_1600_S5H1411
+ */
+static struct s5h1411_config hcw_s5h1411_config = {
+ .output_mode = S5H1411_SERIAL_OUTPUT,
+ .gpio = S5H1411_GPIO_OFF,
+ .vsb_if = S5H1411_IF_44000,
+ .qam_if = S5H1411_IF_4000,
+ .inversion = S5H1411_INVERSION_ON,
+ .status_mode = S5H1411_DEMODLOCKING,
+ .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK,
+};
+
+static struct tda18271_std_map hauppauge_tda18271_std_map = {
+ .atsc_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3,
+ .if_lvl = 6, .rfagc_top = 0x37 },
+ .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 0,
+ .if_lvl = 6, .rfagc_top = 0x37 },
+};
+
+static struct tda18271_config hauppauge_tda18271_config = {
+ .std_map = &hauppauge_tda18271_std_map,
+ .gate = TDA18271_GATE_DIGITAL,
+ .output_opt = TDA18271_OUTPUT_LT_OFF,
+};
+
+/*
+ * 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 = FWFILE;
+ 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 = dvb->stream;
+ 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 struct zl10353_config gotview_dvd3_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:
+ case CX18_CARD_HVR_1600_S5H1411:
+ 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:
+ case CX18_CARD_GOTVIEW_PCI_DVD3:
+ 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");
+ mutex_lock(&cx->serialize_lock);
+ 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);
+ }
+ mutex_unlock(&cx->serialize_lock);
+ } 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");
+ mutex_lock(&cx->serialize_lock);
+ ret = cx18_stop_v4l2_encode_stream(stream, 0);
+ mutex_unlock(&cx->serialize_lock);
+ } 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;
+
+ dvb->enabled = 0;
+ dvb->stream = stream;
+
+ 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");
+
+ if (dvb == NULL || !dvb->enabled)
+ return;
+
+ 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_HVR_1600_S5H1411:
+ dvb->fe = dvb_attach(s5h1411_attach,
+ &hcw_s5h1411_config,
+ &cx->i2c_adap[0]);
+ if (dvb->fe != NULL)
+ dvb_attach(tda18271_attach, dvb->fe,
+ 0x60, &cx->i2c_adap[0],
+ &hauppauge_tda18271_config);
+ 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;
+ case CX18_CARD_GOTVIEW_PCI_DVD3:
+ dvb->fe = dvb_attach(zl10353_attach,
+ &gotview_dvd3_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;
+}
+
+MODULE_FIRMWARE(FWFILE);
Code Review / kvmfornfv.git / blobdiff