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