1 files changed, 278 insertions, 0 deletions

diff --git a/drivers/media/dvb/mantis/hopper_cards.c b/drivers/media/dvb/mantis/hopper_cards.c
new file mode 100644
index 00000000000..1402062f2c8
--- /dev/null
+++ b/drivers/media/dvb/mantis/hopper_cards.c
@@ -0,0 +1,278 @@
+/*
+        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, lstat = 0, mstat = 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);
+        mstat = lstat = stat & ~MANTIS_INT_RISCSTAT;
+        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]);
+                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->finished_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;
+}
+
+static int __devinit hopper_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
+{
+        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;
+        }
+
+        mantis->num             = devs;
+        mantis->verbose         = verbose;
+        mantis->pdev            = pdev;
+        config                  = (struct mantis_hwconfig *) pci_id->driver_data;
+        config->irq_handler     = &hopper_irq_handler;
+        mantis->hwconfig        = config;
+
+        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;
+}
+
+static void __devexit 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;
+
+}
+
+static struct pci_device_id hopper_pci_table[] = {
+        MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config),
+        { }
+};
+
+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,
+};
+
+static int __devinit hopper_init(void)
+{
+        return pci_register_driver(&hopper_pci_driver);
+}
+
+static void __devexit hopper_exit(void)
+{
+        return pci_unregister_driver(&hopper_pci_driver);
+}
+
+module_init(hopper_init);
+module_exit(hopper_exit);
+
+MODULE_DESCRIPTION("HOPPER driver");
+MODULE_AUTHOR("Manu Abraham");
+MODULE_LICENSE("GPL");