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Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-dvb.c')
-rw-r--r--linux/drivers/media/video/cx18/cx18-dvb.c214
1 files changed, 212 insertions, 2 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-dvb.c b/linux/drivers/media/video/cx18/cx18-dvb.c
index 3b86f57cd..51a0c33b2 100644
--- a/linux/drivers/media/video/cx18/cx18-dvb.c
+++ b/linux/drivers/media/video/cx18/cx18-dvb.c
@@ -23,14 +23,29 @@
#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 <linux/firmware.h>
+#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,
@@ -57,7 +72,133 @@ static struct s5h1409_config hauppauge_hvr1600_config = {
.inversion = S5H1409_INVERSION_OFF,
.status_mode = S5H1409_DEMODLOCKING,
.mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK
+};
+/*
+ * 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);
@@ -98,6 +239,8 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed)
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.
@@ -267,8 +410,7 @@ void cx18_dvb_unregister(struct cx18_stream *stream)
}
/* All the DVB attach calls go here, this function get's modified
- * for each new card. No other function in this file needs
- * to change.
+ * for each new card. cx18_dvb_start_feed() will also need changes.
*/
static int dvb_register(struct cx18_stream *stream)
{
@@ -289,6 +431,61 @@ static int dvb_register(struct cx18_stream *stream)
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;
@@ -299,6 +496,8 @@ static int dvb_register(struct cx18_stream *stream)
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)
@@ -306,5 +505,16 @@ static int dvb_register(struct cx18_stream *stream)
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;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-02 20:44:43 +0000