drivers/media/pci/mantis/mantis_cards.c

   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 #include <media/rc-map.h>
  29
  30 #include <media/dmxdev.h>
  31 #include <media/dvbdev.h>
  32 #include <media/dvb_demux.h>
  33 #include <media/dvb_frontend.h>
  34 #include <media/dvb_net.h>
  35
  36 #include "mantis_common.h"
  37
  38 #include "mantis_vp1033.h"
  39 #include "mantis_vp1034.h"
  40 #include "mantis_vp1041.h"
  41 #include "mantis_vp2033.h"
  42 #include "mantis_vp2040.h"
  43 #include "mantis_vp3030.h"
  44
  45 #include "mantis_dma.h"
  46 #include "mantis_ca.h"
  47 #include "mantis_dvb.h"
  48 #include "mantis_uart.h"
  49 #include "mantis_ioc.h"
  50 #include "mantis_pci.h"
  51 #include "mantis_i2c.h"
  52 #include "mantis_reg.h"
  53 #include "mantis_input.h"
  54
  55 static unsigned int verbose;
  56 module_param(verbose, int, 0644);
  57 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");
  58
  59 static int devs;
  60
  61 #define DRIVER_NAME     "Mantis"
  62
  63 static char *label[10] = {
  64         "DMA",
  65         "IRQ-0",
  66         "IRQ-1",
  67         "OCERR",
  68         "PABRT",
  69         "RIPRR",
  70         "PPERR",
  71         "FTRGT",
  72         "RISCI",
  73         "RACK"
  74 };
  75
  76 static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
  77 {
  78         u32 stat = 0, mask = 0;
  79         u32 rst_stat = 0, rst_mask = 0;
  80
  81         struct mantis_pci *mantis;
  82         struct mantis_ca *ca;
  83
  84         mantis = (struct mantis_pci *) dev_id;
  85         if (unlikely(mantis == NULL)) {
  86                 dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
  87                 return IRQ_NONE;
  88         }
  89         ca = mantis->mantis_ca;
  90
  91         stat = mmread(MANTIS_INT_STAT);
  92         mask = mmread(MANTIS_INT_MASK);
  93         if (!(stat & mask))
  94                 return IRQ_NONE;
  95
  96         rst_mask  = MANTIS_GPIF_WRACK  |
  97                     MANTIS_GPIF_OTHERR |
  98                     MANTIS_SBUF_WSTO   |
  99                     MANTIS_GPIF_EXTIRQ;
 100
 101         rst_stat  = mmread(MANTIS_GPIF_STATUS);
 102         rst_stat &= rst_mask;
 103         mmwrite(rst_stat, MANTIS_GPIF_STATUS);
 104
 105         mantis->mantis_int_stat = stat;
 106         mantis->mantis_int_mask = mask;
 107         dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask);
 108         if (stat & MANTIS_INT_RISCEN) {
 109                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]);
 110         }
 111         if (stat & MANTIS_INT_IRQ0) {
 112                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]);
 113                 mantis->gpif_status = rst_stat;
 114                 wake_up(&ca->hif_write_wq);
 115                 schedule_work(&ca->hif_evm_work);
 116         }
 117         if (stat & MANTIS_INT_IRQ1) {
 118                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
 119                 spin_lock(&mantis->intmask_lock);
 120                 mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1,
 121                         MANTIS_INT_MASK);
 122                 spin_unlock(&mantis->intmask_lock);
 123                 schedule_work(&mantis->uart_work);
 124         }
 125         if (stat & MANTIS_INT_OCERR) {
 126                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
 127         }
 128         if (stat & MANTIS_INT_PABORT) {
 129                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
 130         }
 131         if (stat & MANTIS_INT_RIPERR) {
 132                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
 133         }
 134         if (stat & MANTIS_INT_PPERR) {
 135                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
 136         }
 137         if (stat & MANTIS_INT_FTRGT) {
 138                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
 139         }
 140         if (stat & MANTIS_INT_RISCI) {
 141                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]);
 142                 mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
 143                 tasklet_schedule(&mantis->tasklet);
 144         }
 145         if (stat & MANTIS_INT_I2CDONE) {
 146                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
 147                 wake_up(&mantis->i2c_wq);
 148         }
 149         mmwrite(stat, MANTIS_INT_STAT);
 150         stat &= ~(MANTIS_INT_RISCEN   | MANTIS_INT_I2CDONE |
 151                   MANTIS_INT_I2CRACK  | MANTIS_INT_PCMCIA7 |
 152                   MANTIS_INT_PCMCIA6  | MANTIS_INT_PCMCIA5 |
 153                   MANTIS_INT_PCMCIA4  | MANTIS_INT_PCMCIA3 |
 154                   MANTIS_INT_PCMCIA2  | MANTIS_INT_PCMCIA1 |
 155                   MANTIS_INT_PCMCIA0  | MANTIS_INT_IRQ1    |
 156                   MANTIS_INT_IRQ0     | MANTIS_INT_OCERR   |
 157                   MANTIS_INT_PABORT   | MANTIS_INT_RIPERR  |
 158                   MANTIS_INT_PPERR    | MANTIS_INT_FTRGT   |
 159                   MANTIS_INT_RISCI);
 160
 161         if (stat)
 162                 dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);
 163
 164         dprintk(MANTIS_DEBUG, 0, "\n");
 165         return IRQ_HANDLED;
 166 }
 167
 168 static int mantis_pci_probe(struct pci_dev *pdev,
 169                             const struct pci_device_id *pci_id)
 170 {
 171         struct mantis_pci_drvdata *drvdata;
 172         struct mantis_pci *mantis;
 173         struct mantis_hwconfig *config;
 174         int err;
 175
 176         mantis = kzalloc(sizeof(*mantis), GFP_KERNEL);
 177         if (!mantis)
 178                 return -ENOMEM;
 179
 180         drvdata                 = (void *)pci_id->driver_data;
 181         mantis->num             = devs;
 182         mantis->verbose         = verbose;
 183         mantis->pdev            = pdev;
 184         config                  = drvdata->hwconfig;
 185         config->irq_handler     = &mantis_irq_handler;
 186         mantis->hwconfig        = config;
 187         mantis->rc_map_name     = drvdata->rc_map_name;
 188
 189         spin_lock_init(&mantis->intmask_lock);
 190
 191         err = mantis_pci_init(mantis);
 192         if (err) {
 193                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
 194                 goto err_free_mantis;
 195         }
 196
 197         err = mantis_stream_control(mantis, STREAM_TO_HIF);
 198         if (err < 0) {
 199                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
 200                 goto err_pci_exit;
 201         }
 202
 203         err = mantis_i2c_init(mantis);
 204         if (err < 0) {
 205                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
 206                 goto err_pci_exit;
 207         }
 208
 209         err = mantis_get_mac(mantis);
 210         if (err < 0) {
 211                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
 212                 goto err_i2c_exit;
 213         }
 214
 215         err = mantis_dma_init(mantis);
 216         if (err < 0) {
 217                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
 218                 goto err_i2c_exit;
 219         }
 220
 221         err = mantis_dvb_init(mantis);
 222         if (err < 0) {
 223                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
 224                 goto err_dma_exit;
 225         }
 226
 227         err = mantis_input_init(mantis);
 228         if (err < 0) {
 229                 dprintk(MANTIS_ERROR, 1,
 230                         "ERROR: Mantis DVB initialization failed <%d>", err);
 231                 goto err_dvb_exit;
 232         }
 233
 234         err = mantis_uart_init(mantis);
 235         if (err < 0) {
 236                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis UART initialization failed <%d>", err);
 237                 goto err_input_exit;
 238         }
 239
 240         devs++;
 241
 242         return 0;
 243
 244 err_input_exit:
 245         mantis_input_exit(mantis);
 246
 247 err_dvb_exit:
 248         mantis_dvb_exit(mantis);
 249
 250 err_dma_exit:
 251         mantis_dma_exit(mantis);
 252
 253 err_i2c_exit:
 254         mantis_i2c_exit(mantis);
 255
 256 err_pci_exit:
 257         mantis_pci_exit(mantis);
 258
 259 err_free_mantis:
 260         kfree(mantis);
 261
 262         return err;
 263 }
 264
 265 static void mantis_pci_remove(struct pci_dev *pdev)
 266 {
 267         struct mantis_pci *mantis = pci_get_drvdata(pdev);
 268
 269         if (mantis) {
 270
 271                 mantis_uart_exit(mantis);
 272                 mantis_input_exit(mantis);
 273                 mantis_dvb_exit(mantis);
 274                 mantis_dma_exit(mantis);
 275                 mantis_i2c_exit(mantis);
 276                 mantis_pci_exit(mantis);
 277                 kfree(mantis);
 278         }
 279         return;
 280 }
 281
 282 static const struct pci_device_id mantis_pci_table[] = {
 283         MAKE_ENTRY(TECHNISAT, CABLESTAR_HD2, &vp2040_config,
 284                    RC_MAP_TECHNISAT_TS35),
 285         MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_10, &vp1041_config,
 286                    NULL),
 287         MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_20, &vp1041_config,
 288                    NULL),
 289         MAKE_ENTRY(TERRATEC, CINERGY_C, &vp2040_config,
 290                    RC_MAP_TERRATEC_CINERGY_C_PCI),
 291         MAKE_ENTRY(TERRATEC, CINERGY_S2_PCI_HD, &vp1041_config,
 292                    RC_MAP_TERRATEC_CINERGY_S2_HD),
 293         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1033_DVB_S, &vp1033_config,
 294                    NULL),
 295         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1034_DVB_S, &vp1034_config,
 296                    NULL),
 297         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1041_DVB_S2, &vp1041_config,
 298                    RC_MAP_TWINHAN_DTV_CAB_CI),
 299         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2033_DVB_C, &vp2033_config,
 300                    RC_MAP_TWINHAN_DTV_CAB_CI),
 301         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2040_DVB_C, &vp2040_config,
 302                    NULL),
 303         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3030_DVB_T, &vp3030_config,
 304                    NULL),
 305         { }
 306 };
 307
 308 MODULE_DEVICE_TABLE(pci, mantis_pci_table);
 309
 310 static struct pci_driver mantis_pci_driver = {
 311         .name           = DRIVER_NAME,
 312         .id_table       = mantis_pci_table,
 313         .probe          = mantis_pci_probe,
 314         .remove         = mantis_pci_remove,
 315 };
 316
 317 module_pci_driver(mantis_pci_driver);
 318
 319 MODULE_DESCRIPTION("MANTIS driver");
 320 MODULE_AUTHOR("Manu Abraham");
 321 MODULE_LICENSE("GPL");