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Release 4.11 drivers/media/pci/mantis/hopper_cards.c

/*
        Hopper PCI bridge 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/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <asm/irq.h>
#include <linux/interrupt.h>

#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"

#include "mantis_common.h"
#include "hopper_vp3028.h"
#include "mantis_dma.h"
#include "mantis_dvb.h"
#include "mantis_uart.h"
#include "mantis_ioc.h"
#include "mantis_pci.h"
#include "mantis_i2c.h"
#include "mantis_reg.h"


static unsigned int verbose;
module_param(verbose, int, 0644);
MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");


#define DRIVER_NAME	"Hopper"


static char *label[10] = {
	"DMA",
	"IRQ-0",
	"IRQ-1",
	"OCERR",
	"PABRT",
	"RIPRR",
	"PPERR",
	"FTRGT",
	"RISCI",
	"RACK"
};


static int devs;


static irqreturn_t hopper_irq_handler(int irq, void *dev_id) { u32 stat = 0, mask = 0; u32 rst_stat = 0, rst_mask = 0; struct mantis_pci *mantis; struct mantis_ca *ca; mantis = (struct mantis_pci *) dev_id; if (unlikely(mantis == NULL)) { dprintk(MANTIS_ERROR, 1, "Mantis == NULL"); return IRQ_NONE; } ca = mantis->mantis_ca; stat = mmread(MANTIS_INT_STAT); mask = mmread(MANTIS_INT_MASK); if (!(stat & mask)) return IRQ_NONE; rst_mask = MANTIS_GPIF_WRACK | MANTIS_GPIF_OTHERR | MANTIS_SBUF_WSTO | MANTIS_GPIF_EXTIRQ; rst_stat = mmread(MANTIS_GPIF_STATUS); rst_stat &= rst_mask; mmwrite(rst_stat, MANTIS_GPIF_STATUS); mantis->mantis_int_stat = stat; mantis->mantis_int_mask = mask; dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask); if (stat & MANTIS_INT_RISCEN) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]); } if (stat & MANTIS_INT_IRQ0) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]); mantis->gpif_status = rst_stat; wake_up(&ca->hif_write_wq); schedule_work(&ca->hif_evm_work); } if (stat & MANTIS_INT_IRQ1) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]); spin_lock(&mantis->intmask_lock); mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1, MANTIS_INT_MASK); spin_unlock(&mantis->intmask_lock); schedule_work(&mantis->uart_work); } if (stat & MANTIS_INT_OCERR) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]); } if (stat & MANTIS_INT_PABORT) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]); } if (stat & MANTIS_INT_RIPERR) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]); } if (stat & MANTIS_INT_PPERR) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]); } if (stat & MANTIS_INT_FTRGT) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]); } if (stat & MANTIS_INT_RISCI) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]); mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28; tasklet_schedule(&mantis->tasklet); } if (stat & MANTIS_INT_I2CDONE) { dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]); wake_up(&mantis->i2c_wq); } mmwrite(stat, MANTIS_INT_STAT); stat &= ~(MANTIS_INT_RISCEN | MANTIS_INT_I2CDONE | MANTIS_INT_I2CRACK | MANTIS_INT_PCMCIA7 | MANTIS_INT_PCMCIA6 | MANTIS_INT_PCMCIA5 | MANTIS_INT_PCMCIA4 | MANTIS_INT_PCMCIA3 | MANTIS_INT_PCMCIA2 | MANTIS_INT_PCMCIA1 | MANTIS_INT_PCMCIA0 | MANTIS_INT_IRQ1 | MANTIS_INT_IRQ0 | MANTIS_INT_OCERR | MANTIS_INT_PABORT | MANTIS_INT_RIPERR | MANTIS_INT_PPERR | MANTIS_INT_FTRGT | MANTIS_INT_RISCI); if (stat) dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask); dprintk(MANTIS_DEBUG, 0, "\n"); return IRQ_HANDLED; }

Contributors

PersonTokensPropCommitsCommitProp
Manu Abraham51494.49%133.33%
Jan Klötzke295.33%133.33%
Marko Ristola10.18%133.33%
Total544100.00%3100.00%


static int hopper_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) { struct mantis_pci_drvdata *drvdata; struct mantis_pci *mantis; struct mantis_hwconfig *config; int err = 0; mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL); if (mantis == NULL) { printk(KERN_ERR "%s ERROR: Out of memory\n", __func__); err = -ENOMEM; goto fail0; } drvdata = (void *)pci_id->driver_data; mantis->num = devs; mantis->verbose = verbose; mantis->pdev = pdev; config = drvdata->hwconfig; config->irq_handler = &hopper_irq_handler; mantis->hwconfig = config; mantis->rc_map_name = drvdata->rc_map_name; spin_lock_init(&mantis->intmask_lock); err = mantis_pci_init(mantis); if (err) { dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err); goto fail1; } err = mantis_stream_control(mantis, STREAM_TO_HIF); if (err < 0) { dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err); goto fail1; } err = mantis_i2c_init(mantis); if (err < 0) { dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err); goto fail2; } err = mantis_get_mac(mantis); if (err < 0) { dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err); goto fail2; } err = mantis_dma_init(mantis); if (err < 0) { dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err); goto fail3; } err = mantis_dvb_init(mantis); if (err < 0) { dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err); goto fail4; } devs++; return err; fail4: dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err); mantis_dma_exit(mantis); fail3: dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err); mantis_i2c_exit(mantis); fail2: dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err); mantis_pci_exit(mantis); fail1: dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err); kfree(mantis); fail0: return err; }

Contributors

PersonTokensPropCommitsCommitProp
Manu Abraham36191.62%133.33%
Jan Klötzke328.12%133.33%
Mauro Carvalho Chehab10.25%133.33%
Total394100.00%3100.00%


static void hopper_pci_remove(struct pci_dev *pdev) { struct mantis_pci *mantis = pci_get_drvdata(pdev); if (mantis) { mantis_dvb_exit(mantis); mantis_dma_exit(mantis); mantis_i2c_exit(mantis); mantis_pci_exit(mantis); kfree(mantis); } return; }

Contributors

PersonTokensPropCommitsCommitProp
Manu Abraham53100.00%1100.00%
Total53100.00%1100.00%

static struct pci_device_id hopper_pci_table[] = { MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config, NULL), { } }; MODULE_DEVICE_TABLE(pci, hopper_pci_table); static struct pci_driver hopper_pci_driver = { .name = DRIVER_NAME, .id_table = hopper_pci_table, .probe = hopper_pci_probe, .remove = hopper_pci_remove, }; module_pci_driver(hopper_pci_driver); MODULE_DESCRIPTION("HOPPER driver"); MODULE_AUTHOR("Manu Abraham"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
Manu Abraham111994.03%333.33%
Jan Klötzke635.29%111.11%
Tejun Heo30.25%111.11%
Libo Chen20.17%111.11%
Marko Ristola10.08%111.11%
Björn Mork10.08%111.11%
Mauro Carvalho Chehab10.08%111.11%
Total1190100.00%9100.00%
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