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path: root/drivers/media/pci/mantis/mantis_vp1034.c
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Diffstat (limited to 'drivers/media/pci/mantis/mantis_vp1034.c')
-rw-r--r--drivers/media/pci/mantis/mantis_vp1034.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/media/pci/mantis/mantis_vp1034.c b/drivers/media/pci/mantis/mantis_vp1034.c
new file mode 100644
index 000000000..29ae1a351
--- /dev/null
+++ b/drivers/media/pci/mantis/mantis_vp1034.c
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ Mantis VP-1034 driver
+
+ Copyright (C) Manu Abraham (abraham.manu@gmail.com)
+
+*/
+
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+
+#include <media/dmxdev.h>
+#include <media/dvbdev.h>
+#include <media/dvb_demux.h>
+#include <media/dvb_frontend.h>
+#include <media/dvb_net.h>
+
+#include "mb86a16.h"
+#include "mantis_common.h"
+#include "mantis_ioc.h"
+#include "mantis_dvb.h"
+#include "mantis_vp1034.h"
+#include "mantis_reg.h"
+
+static const struct mb86a16_config vp1034_mb86a16_config = {
+ .demod_address = 0x08,
+ .set_voltage = vp1034_set_voltage,
+};
+
+#define MANTIS_MODEL_NAME "VP-1034"
+#define MANTIS_DEV_TYPE "DVB-S/DSS"
+
+int vp1034_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage)
+{
+ struct mantis_pci *mantis = fe->dvb->priv;
+
+ switch (voltage) {
+ case SEC_VOLTAGE_13:
+ dprintk(MANTIS_ERROR, 1, "Polarization=[13V]");
+ mantis_gpio_set_bits(mantis, 13, 1);
+ mantis_gpio_set_bits(mantis, 14, 0);
+ break;
+ case SEC_VOLTAGE_18:
+ dprintk(MANTIS_ERROR, 1, "Polarization=[18V]");
+ mantis_gpio_set_bits(mantis, 13, 1);
+ mantis_gpio_set_bits(mantis, 14, 1);
+ break;
+ case SEC_VOLTAGE_OFF:
+ dprintk(MANTIS_ERROR, 1, "Frontend (dummy) POWERDOWN");
+ break;
+ default:
+ dprintk(MANTIS_ERROR, 1, "Invalid = (%d)", (u32) voltage);
+ return -EINVAL;
+ }
+ mmwrite(0x00, MANTIS_GPIF_DOUT);
+
+ return 0;
+}
+
+static int vp1034_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
+{
+ struct i2c_adapter *adapter = &mantis->adapter;
+
+ int err = 0;
+
+ err = mantis_frontend_power(mantis, POWER_ON);
+ if (err == 0) {
+ mantis_frontend_soft_reset(mantis);
+ msleep(250);
+
+ dprintk(MANTIS_ERROR, 1, "Probing for MB86A16 (DVB-S/DSS)");
+ fe = dvb_attach(mb86a16_attach, &vp1034_mb86a16_config, adapter);
+ if (fe) {
+ dprintk(MANTIS_ERROR, 1,
+ "found MB86A16 DVB-S/DSS frontend @0x%02x",
+ vp1034_mb86a16_config.demod_address);
+
+ } else {
+ return -1;
+ }
+ } else {
+ dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
+ adapter->name,
+ err);
+
+ return -EIO;
+ }
+ mantis->fe = fe;
+ dprintk(MANTIS_ERROR, 1, "Done!");
+
+ return 0;
+}
+
+struct mantis_hwconfig vp1034_config = {
+ .model_name = MANTIS_MODEL_NAME,
+ .dev_type = MANTIS_DEV_TYPE,
+ .ts_size = MANTIS_TS_204,
+
+ .baud_rate = MANTIS_BAUD_9600,
+ .parity = MANTIS_PARITY_NONE,
+ .bytes = 0,
+
+ .frontend_init = vp1034_frontend_init,
+ .power = GPIF_A12,
+ .reset = GPIF_A13,
+};