cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/pci/mantis/mantis_vp1034.c

/*
        Mantis VP-1034 driver

        Copyright (C) Manu Abraham (abraham.manu@gmail.com)

        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 <linux/signal.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <asm/io.h>

#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "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 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; }

Contributors

PersonTokensPropCommitsCommitProp
manu abrahammanu abraham12995.56%250.00%
ben hutchingsben hutchings42.96%125.00%
mauro carvalho chehabmauro carvalho chehab21.48%125.00%
Total135100.00%4100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
manu abrahammanu abraham14297.93%266.67%
bjorn morkbjorn mork32.07%133.33%
Total145100.00%3100.00%

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, };

Overall Contributors

PersonTokensPropCommitsCommitProp
manu abrahammanu abraham38996.77%654.55%
ben hutchingsben hutchings41.00%19.09%
bjorn morkbjorn mork30.75%19.09%
alexey dobriyanalexey dobriyan30.75%19.09%
mauro carvalho chehabmauro carvalho chehab20.50%19.09%
hans verkuilhans verkuil10.25%19.09%
Total402100.00%11100.00%
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