linux/drivers/media/pci/mantis/mantis_cards.c
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   1/*
   2        Mantis PCI bridge driver
   3
   4        Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   5
   6        This program is free software; you can redistribute it and/or modify
   7        it under the terms of the GNU General Public License as published by
   8        the Free Software Foundation; either version 2 of the License, or
   9        (at your option) any later version.
  10
  11        This program is distributed in the hope that it will be useful,
  12        but WITHOUT ANY WARRANTY; without even the implied warranty of
  13        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14        GNU General Public License for more details.
  15
  16        You should have received a copy of the GNU General Public License
  17        along with this program; if not, write to the Free Software
  18        Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19*/
  20
  21#include <linux/module.h>
  22#include <linux/moduleparam.h>
  23#include <linux/kernel.h>
  24#include <linux/pci.h>
  25#include <linux/slab.h>
  26#include <asm/irq.h>
  27#include <linux/interrupt.h>
  28
  29#include "dmxdev.h"
  30#include "dvbdev.h"
  31#include "dvb_demux.h"
  32#include "dvb_frontend.h"
  33#include "dvb_net.h"
  34
  35#include "mantis_common.h"
  36
  37#include "mantis_vp1033.h"
  38#include "mantis_vp1034.h"
  39#include "mantis_vp1041.h"
  40#include "mantis_vp2033.h"
  41#include "mantis_vp2040.h"
  42#include "mantis_vp3030.h"
  43
  44#include "mantis_dma.h"
  45#include "mantis_ca.h"
  46#include "mantis_dvb.h"
  47#include "mantis_uart.h"
  48#include "mantis_ioc.h"
  49#include "mantis_pci.h"
  50#include "mantis_i2c.h"
  51#include "mantis_reg.h"
  52
  53static unsigned int verbose;
  54module_param(verbose, int, 0644);
  55MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");
  56
  57static int devs;
  58
  59#define DRIVER_NAME     "Mantis"
  60
  61static char *label[10] = {
  62        "DMA",
  63        "IRQ-0",
  64        "IRQ-1",
  65        "OCERR",
  66        "PABRT",
  67        "RIPRR",
  68        "PPERR",
  69        "FTRGT",
  70        "RISCI",
  71        "RACK"
  72};
  73
  74static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
  75{
  76        u32 stat = 0, mask = 0;
  77        u32 rst_stat = 0, rst_mask = 0;
  78
  79        struct mantis_pci *mantis;
  80        struct mantis_ca *ca;
  81
  82        mantis = (struct mantis_pci *) dev_id;
  83        if (unlikely(mantis == NULL)) {
  84                dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
  85                return IRQ_NONE;
  86        }
  87        ca = mantis->mantis_ca;
  88
  89        stat = mmread(MANTIS_INT_STAT);
  90        mask = mmread(MANTIS_INT_MASK);
  91        if (!(stat & mask))
  92                return IRQ_NONE;
  93
  94        rst_mask  = MANTIS_GPIF_WRACK  |
  95                    MANTIS_GPIF_OTHERR |
  96                    MANTIS_SBUF_WSTO   |
  97                    MANTIS_GPIF_EXTIRQ;
  98
  99        rst_stat  = mmread(MANTIS_GPIF_STATUS);
 100        rst_stat &= rst_mask;
 101        mmwrite(rst_stat, MANTIS_GPIF_STATUS);
 102
 103        mantis->mantis_int_stat = stat;
 104        mantis->mantis_int_mask = mask;
 105        dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask);
 106        if (stat & MANTIS_INT_RISCEN) {
 107                dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]);
 108        }
 109        if (stat & MANTIS_INT_IRQ0) {
 110                dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]);
 111                mantis->gpif_status = rst_stat;
 112                wake_up(&ca->hif_write_wq);
 113                schedule_work(&ca->hif_evm_work);
 114        }
 115        if (stat & MANTIS_INT_IRQ1) {
 116                dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
 117                schedule_work(&mantis->uart_work);
 118        }
 119        if (stat & MANTIS_INT_OCERR) {
 120                dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
 121        }
 122        if (stat & MANTIS_INT_PABORT) {
 123                dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
 124        }
 125        if (stat & MANTIS_INT_RIPERR) {
 126                dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
 127        }
 128        if (stat & MANTIS_INT_PPERR) {
 129                dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
 130        }
 131        if (stat & MANTIS_INT_FTRGT) {
 132                dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
 133        }
 134        if (stat & MANTIS_INT_RISCI) {
 135                dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]);
 136                mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
 137                tasklet_schedule(&mantis->tasklet);
 138        }
 139        if (stat & MANTIS_INT_I2CDONE) {
 140                dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
 141                wake_up(&mantis->i2c_wq);
 142        }
 143        mmwrite(stat, MANTIS_INT_STAT);
 144        stat &= ~(MANTIS_INT_RISCEN   | MANTIS_INT_I2CDONE |
 145                  MANTIS_INT_I2CRACK  | MANTIS_INT_PCMCIA7 |
 146                  MANTIS_INT_PCMCIA6  | MANTIS_INT_PCMCIA5 |
 147                  MANTIS_INT_PCMCIA4  | MANTIS_INT_PCMCIA3 |
 148                  MANTIS_INT_PCMCIA2  | MANTIS_INT_PCMCIA1 |
 149                  MANTIS_INT_PCMCIA0  | MANTIS_INT_IRQ1    |
 150                  MANTIS_INT_IRQ0     | MANTIS_INT_OCERR   |
 151                  MANTIS_INT_PABORT   | MANTIS_INT_RIPERR  |
 152                  MANTIS_INT_PPERR    | MANTIS_INT_FTRGT   |
 153                  MANTIS_INT_RISCI);
 154
 155        if (stat)
 156                dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);
 157
 158        dprintk(MANTIS_DEBUG, 0, "\n");
 159        return IRQ_HANDLED;
 160}
 161
 162static int mantis_pci_probe(struct pci_dev *pdev,
 163                            const struct pci_device_id *pci_id)
 164{
 165        struct mantis_pci *mantis;
 166        struct mantis_hwconfig *config;
 167        int err = 0;
 168
 169        mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
 170        if (mantis == NULL) {
 171                printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
 172                err = -ENOMEM;
 173                goto fail0;
 174        }
 175
 176        mantis->num             = devs;
 177        mantis->verbose         = verbose;
 178        mantis->pdev            = pdev;
 179        config                  = (struct mantis_hwconfig *) pci_id->driver_data;
 180        config->irq_handler     = &mantis_irq_handler;
 181        mantis->hwconfig        = config;
 182
 183        err = mantis_pci_init(mantis);
 184        if (err) {
 185                dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
 186                goto fail1;
 187        }
 188
 189        err = mantis_stream_control(mantis, STREAM_TO_HIF);
 190        if (err < 0) {
 191                dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
 192                goto fail1;
 193        }
 194
 195        err = mantis_i2c_init(mantis);
 196        if (err < 0) {
 197                dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
 198                goto fail2;
 199        }
 200
 201        err = mantis_get_mac(mantis);
 202        if (err < 0) {
 203                dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
 204                goto fail2;
 205        }
 206
 207        err = mantis_dma_init(mantis);
 208        if (err < 0) {
 209                dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
 210                goto fail3;
 211        }
 212
 213        err = mantis_dvb_init(mantis);
 214        if (err < 0) {
 215                dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
 216                goto fail4;
 217        }
 218        err = mantis_uart_init(mantis);
 219        if (err < 0) {
 220                dprintk(MANTIS_ERROR, 1, "ERROR: Mantis UART initialization failed <%d>", err);
 221                goto fail6;
 222        }
 223
 224        devs++;
 225
 226        return err;
 227
 228
 229        dprintk(MANTIS_ERROR, 1, "ERROR: Mantis UART exit! <%d>", err);
 230        mantis_uart_exit(mantis);
 231
 232fail6:
 233fail4:
 234        dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err);
 235        mantis_dma_exit(mantis);
 236
 237fail3:
 238        dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err);
 239        mantis_i2c_exit(mantis);
 240
 241fail2:
 242        dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err);
 243        mantis_pci_exit(mantis);
 244
 245fail1:
 246        dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err);
 247        kfree(mantis);
 248
 249fail0:
 250        return err;
 251}
 252
 253static void mantis_pci_remove(struct pci_dev *pdev)
 254{
 255        struct mantis_pci *mantis = pci_get_drvdata(pdev);
 256
 257        if (mantis) {
 258
 259                mantis_uart_exit(mantis);
 260                mantis_dvb_exit(mantis);
 261                mantis_dma_exit(mantis);
 262                mantis_i2c_exit(mantis);
 263                mantis_pci_exit(mantis);
 264                kfree(mantis);
 265        }
 266        return;
 267}
 268
 269static struct pci_device_id mantis_pci_table[] = {
 270        MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1033_DVB_S, &vp1033_config),
 271        MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1034_DVB_S, &vp1034_config),
 272        MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1041_DVB_S2, &vp1041_config),
 273        MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_10, &vp1041_config),
 274        MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_20, &vp1041_config),
 275        MAKE_ENTRY(TERRATEC, CINERGY_S2_PCI_HD, &vp1041_config),
 276        MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2033_DVB_C, &vp2033_config),
 277        MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2040_DVB_C, &vp2040_config),
 278        MAKE_ENTRY(TECHNISAT, CABLESTAR_HD2, &vp2040_config),
 279        MAKE_ENTRY(TERRATEC, CINERGY_C, &vp2040_config),
 280        MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3030_DVB_T, &vp3030_config),
 281        { }
 282};
 283
 284MODULE_DEVICE_TABLE(pci, mantis_pci_table);
 285
 286static struct pci_driver mantis_pci_driver = {
 287        .name           = DRIVER_NAME,
 288        .id_table       = mantis_pci_table,
 289        .probe          = mantis_pci_probe,
 290        .remove         = mantis_pci_remove,
 291};
 292
 293static int mantis_init(void)
 294{
 295        return pci_register_driver(&mantis_pci_driver);
 296}
 297
 298static void mantis_exit(void)
 299{
 300        return pci_unregister_driver(&mantis_pci_driver);
 301}
 302
 303module_init(mantis_init);
 304module_exit(mantis_exit);
 305
 306MODULE_DESCRIPTION("MANTIS driver");
 307MODULE_AUTHOR("Manu Abraham");
 308MODULE_LICENSE("GPL");
 309