drivers/media/pci/mantis/mantis_cards.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3         Mantis PCI bridge driver
   4
   5         Copyright (C) Manu Abraham (abraham.manu@gmail.com)
   6
   7 */
   8
   9 #include <linux/module.h>
  10 #include <linux/kernel.h>
  11 #include <linux/pci.h>
  12 #include <linux/slab.h>
  13 #include <asm/irq.h>
  14 #include <linux/interrupt.h>
  15 #include <media/rc-map.h>
  16
  17 #include <media/dmxdev.h>
  18 #include <media/dvbdev.h>
  19 #include <media/dvb_demux.h>
  20 #include <media/dvb_frontend.h>
  21 #include <media/dvb_net.h>
  22
  23 #include "mantis_common.h"
  24
  25 #include "mantis_vp1033.h"
  26 #include "mantis_vp1034.h"
  27 #include "mantis_vp1041.h"
  28 #include "mantis_vp2033.h"
  29 #include "mantis_vp2040.h"
  30 #include "mantis_vp3030.h"
  31
  32 #include "mantis_dma.h"
  33 #include "mantis_ca.h"
  34 #include "mantis_dvb.h"
  35 #include "mantis_uart.h"
  36 #include "mantis_ioc.h"
  37 #include "mantis_pci.h"
  38 #include "mantis_i2c.h"
  39 #include "mantis_reg.h"
  40 #include "mantis_input.h"
  41
  42 static unsigned int verbose;
  43 module_param(verbose, int, 0644);
  44 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");
  45
  46 static int devs;
  47
  48 #define DRIVER_NAME     "Mantis"
  49
  50 static char *label[10] = {
  51         "DMA",
  52         "IRQ-0",
  53         "IRQ-1",
  54         "OCERR",
  55         "PABRT",
  56         "RIPRR",
  57         "PPERR",
  58         "FTRGT",
  59         "RISCI",
  60         "RACK"
  61 };
  62
  63 static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
  64 {
  65         u32 stat = 0, mask = 0;
  66         u32 rst_stat = 0, rst_mask = 0;
  67
  68         struct mantis_pci *mantis;
  69         struct mantis_ca *ca;
  70
  71         mantis = (struct mantis_pci *) dev_id;
  72         if (unlikely(!mantis))
  73                 return IRQ_NONE;
  74         ca = mantis->mantis_ca;
  75
  76         stat = mmread(MANTIS_INT_STAT);
  77         mask = mmread(MANTIS_INT_MASK);
  78         if (!(stat & mask))
  79                 return IRQ_NONE;
  80
  81         rst_mask  = MANTIS_GPIF_WRACK  |
  82                     MANTIS_GPIF_OTHERR |
  83                     MANTIS_SBUF_WSTO   |
  84                     MANTIS_GPIF_EXTIRQ;
  85
  86         rst_stat  = mmread(MANTIS_GPIF_STATUS);
  87         rst_stat &= rst_mask;
  88         mmwrite(rst_stat, MANTIS_GPIF_STATUS);
  89
  90         mantis->mantis_int_stat = stat;
  91         mantis->mantis_int_mask = mask;
  92         dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask);
  93         if (stat & MANTIS_INT_RISCEN) {
  94                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]);
  95         }
  96         if (stat & MANTIS_INT_IRQ0) {
  97                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]);
  98                 mantis->gpif_status = rst_stat;
  99                 wake_up(&ca->hif_write_wq);
 100                 schedule_work(&ca->hif_evm_work);
 101         }
 102         if (stat & MANTIS_INT_IRQ1) {
 103                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
 104                 spin_lock(&mantis->intmask_lock);
 105                 mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1,
 106                         MANTIS_INT_MASK);
 107                 spin_unlock(&mantis->intmask_lock);
 108                 schedule_work(&mantis->uart_work);
 109         }
 110         if (stat & MANTIS_INT_OCERR) {
 111                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
 112         }
 113         if (stat & MANTIS_INT_PABORT) {
 114                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
 115         }
 116         if (stat & MANTIS_INT_RIPERR) {
 117                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
 118         }
 119         if (stat & MANTIS_INT_PPERR) {
 120                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
 121         }
 122         if (stat & MANTIS_INT_FTRGT) {
 123                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
 124         }
 125         if (stat & MANTIS_INT_RISCI) {
 126                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]);
 127                 mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
 128                 tasklet_schedule(&mantis->tasklet);
 129         }
 130         if (stat & MANTIS_INT_I2CDONE) {
 131                 dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
 132                 wake_up(&mantis->i2c_wq);
 133         }
 134         mmwrite(stat, MANTIS_INT_STAT);
 135         stat &= ~(MANTIS_INT_RISCEN   | MANTIS_INT_I2CDONE |
 136                   MANTIS_INT_I2CRACK  | MANTIS_INT_PCMCIA7 |
 137                   MANTIS_INT_PCMCIA6  | MANTIS_INT_PCMCIA5 |
 138                   MANTIS_INT_PCMCIA4  | MANTIS_INT_PCMCIA3 |
 139                   MANTIS_INT_PCMCIA2  | MANTIS_INT_PCMCIA1 |
 140                   MANTIS_INT_PCMCIA0  | MANTIS_INT_IRQ1    |
 141                   MANTIS_INT_IRQ0     | MANTIS_INT_OCERR   |
 142                   MANTIS_INT_PABORT   | MANTIS_INT_RIPERR  |
 143                   MANTIS_INT_PPERR    | MANTIS_INT_FTRGT   |
 144                   MANTIS_INT_RISCI);
 145
 146         if (stat)
 147                 dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);
 148
 149         dprintk(MANTIS_DEBUG, 0, "\n");
 150         return IRQ_HANDLED;
 151 }
 152
 153 static int mantis_pci_probe(struct pci_dev *pdev,
 154                             const struct pci_device_id *pci_id)
 155 {
 156         struct mantis_pci_drvdata *drvdata;
 157         struct mantis_pci *mantis;
 158         struct mantis_hwconfig *config;
 159         int err;
 160
 161         mantis = kzalloc(sizeof(*mantis), GFP_KERNEL);
 162         if (!mantis)
 163                 return -ENOMEM;
 164
 165         drvdata                 = (void *)pci_id->driver_data;
 166         mantis->num             = devs;
 167         mantis->verbose         = verbose;
 168         mantis->pdev            = pdev;
 169         config                  = drvdata->hwconfig;
 170         config->irq_handler     = &mantis_irq_handler;
 171         mantis->hwconfig        = config;
 172         mantis->rc_map_name     = drvdata->rc_map_name;
 173
 174         spin_lock_init(&mantis->intmask_lock);
 175
 176         err = mantis_pci_init(mantis);
 177         if (err) {
 178                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
 179                 goto err_free_mantis;
 180         }
 181
 182         err = mantis_stream_control(mantis, STREAM_TO_HIF);
 183         if (err < 0) {
 184                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
 185                 goto err_pci_exit;
 186         }
 187
 188         err = mantis_i2c_init(mantis);
 189         if (err < 0) {
 190                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
 191                 goto err_pci_exit;
 192         }
 193
 194         err = mantis_get_mac(mantis);
 195         if (err < 0) {
 196                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
 197                 goto err_i2c_exit;
 198         }
 199
 200         err = mantis_dma_init(mantis);
 201         if (err < 0) {
 202                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
 203                 goto err_i2c_exit;
 204         }
 205
 206         err = mantis_dvb_init(mantis);
 207         if (err < 0) {
 208                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
 209                 goto err_dma_exit;
 210         }
 211
 212         err = mantis_input_init(mantis);
 213         if (err < 0) {
 214                 dprintk(MANTIS_ERROR, 1,
 215                         "ERROR: Mantis DVB initialization failed <%d>", err);
 216                 goto err_dvb_exit;
 217         }
 218
 219         err = mantis_uart_init(mantis);
 220         if (err < 0) {
 221                 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis UART initialization failed <%d>", err);
 222                 goto err_input_exit;
 223         }
 224
 225         devs++;
 226
 227         return 0;
 228
 229 err_input_exit:
 230         mantis_input_exit(mantis);
 231
 232 err_dvb_exit:
 233         mantis_dvb_exit(mantis);
 234
 235 err_dma_exit:
 236         mantis_dma_exit(mantis);
 237
 238 err_i2c_exit:
 239         mantis_i2c_exit(mantis);
 240
 241 err_pci_exit:
 242         mantis_pci_exit(mantis);
 243
 244 err_free_mantis:
 245         kfree(mantis);
 246
 247         return err;
 248 }
 249
 250 static void mantis_pci_remove(struct pci_dev *pdev)
 251 {
 252         struct mantis_pci *mantis = pci_get_drvdata(pdev);
 253
 254         if (mantis) {
 255
 256                 mantis_uart_exit(mantis);
 257                 mantis_input_exit(mantis);
 258                 mantis_dvb_exit(mantis);
 259                 mantis_dma_exit(mantis);
 260                 mantis_i2c_exit(mantis);
 261                 mantis_pci_exit(mantis);
 262                 kfree(mantis);
 263         }
 264         return;
 265 }
 266
 267 static const struct pci_device_id mantis_pci_table[] = {
 268         MAKE_ENTRY(TECHNISAT, CABLESTAR_HD2, &vp2040_config,
 269                    RC_MAP_TECHNISAT_TS35),
 270         MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_10, &vp1041_config,
 271                    NULL),
 272         MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_20, &vp1041_config,
 273                    NULL),
 274         MAKE_ENTRY(TERRATEC, CINERGY_C, &vp2040_config,
 275                    RC_MAP_TERRATEC_CINERGY_C_PCI),
 276         MAKE_ENTRY(TERRATEC, CINERGY_S2_PCI_HD, &vp1041_config,
 277                    RC_MAP_TERRATEC_CINERGY_S2_HD),
 278         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1033_DVB_S, &vp1033_config,
 279                    NULL),
 280         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1034_DVB_S, &vp1034_config,
 281                    NULL),
 282         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1041_DVB_S2, &vp1041_config,
 283                    RC_MAP_TWINHAN_DTV_CAB_CI),
 284         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2033_DVB_C, &vp2033_config,
 285                    RC_MAP_TWINHAN_DTV_CAB_CI),
 286         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2040_DVB_C, &vp2040_config,
 287                    NULL),
 288         MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3030_DVB_T, &vp3030_config,
 289                    NULL),
 290         { }
 291 };
 292
 293 MODULE_DEVICE_TABLE(pci, mantis_pci_table);
 294
 295 static struct pci_driver mantis_pci_driver = {
 296         .name           = DRIVER_NAME,
 297         .id_table       = mantis_pci_table,
 298         .probe          = mantis_pci_probe,
 299         .remove         = mantis_pci_remove,
 300 };
 301
 302 module_pci_driver(mantis_pci_driver);
 303
 304 MODULE_DESCRIPTION("MANTIS driver");
 305 MODULE_AUTHOR("Manu Abraham");
 306 MODULE_LICENSE("GPL");