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 1 (yes)"); 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, lstat = 0, mstat = 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 mstat = lstat = stat & ~MANTIS_INT_RISCSTAT; 92 if (!(stat & mask)) 93 return IRQ_NONE; 94 95 rst_mask = MANTIS_GPIF_WRACK | 96 MANTIS_GPIF_OTHERR | 97 MANTIS_SBUF_WSTO | 98 MANTIS_GPIF_EXTIRQ; 99 100 rst_stat = mmread(MANTIS_GPIF_STATUS); 101 rst_stat &= rst_mask; 102 mmwrite(rst_stat, MANTIS_GPIF_STATUS); 103 104 mantis->mantis_int_stat = stat; 105 mantis->mantis_int_mask = mask; 106 dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask); 107 if (stat & MANTIS_INT_RISCEN) { 108 dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]); 109 } 110 if (stat & MANTIS_INT_IRQ0) { 111 dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]); 112 mantis->gpif_status = rst_stat; 113 wake_up(&ca->hif_write_wq); 114 schedule_work(&ca->hif_evm_work); 115 } 116 if (stat & MANTIS_INT_IRQ1) { 117 dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]); 118 schedule_work(&mantis->uart_work); 119 } 120 if (stat & MANTIS_INT_OCERR) { 121 dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]); 122 } 123 if (stat & MANTIS_INT_PABORT) { 124 dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]); 125 } 126 if (stat & MANTIS_INT_RIPERR) { 127 dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]); 128 } 129 if (stat & MANTIS_INT_PPERR) { 130 dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]); 131 } 132 if (stat & MANTIS_INT_FTRGT) { 133 dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]); 134 } 135 if (stat & MANTIS_INT_RISCI) { 136 dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]); 137 mantis->finished_block = (stat & MANTIS_INT_RISCSTAT) >> 28; 138 tasklet_schedule(&mantis->tasklet); 139 } 140 if (stat & MANTIS_INT_I2CDONE) { 141 dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]); 142 wake_up(&mantis->i2c_wq); 143 } 144 mmwrite(stat, MANTIS_INT_STAT); 145 stat &= ~(MANTIS_INT_RISCEN | MANTIS_INT_I2CDONE | 146 MANTIS_INT_I2CRACK | MANTIS_INT_PCMCIA7 | 147 MANTIS_INT_PCMCIA6 | MANTIS_INT_PCMCIA5 | 148 MANTIS_INT_PCMCIA4 | MANTIS_INT_PCMCIA3 | 149 MANTIS_INT_PCMCIA2 | MANTIS_INT_PCMCIA1 | 150 MANTIS_INT_PCMCIA0 | MANTIS_INT_IRQ1 | 151 MANTIS_INT_IRQ0 | MANTIS_INT_OCERR | 152 MANTIS_INT_PABORT | MANTIS_INT_RIPERR | 153 MANTIS_INT_PPERR | MANTIS_INT_FTRGT | 154 MANTIS_INT_RISCI); 155 156 if (stat) 157 dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask); 158 159 dprintk(MANTIS_DEBUG, 0, "\n"); 160 return IRQ_HANDLED; 161} 162 163static int __devinit mantis_pci_probe(struct pci_dev *pdev, 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 __devexit 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, &vp2033_config), 280 MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3030_DVB_T, &vp3030_config), 281 { } 282}; 283 284static struct pci_driver mantis_pci_driver = { 285 .name = DRIVER_NAME, 286 .id_table = mantis_pci_table, 287 .probe = mantis_pci_probe, 288 .remove = mantis_pci_remove, 289}; 290 291static int __devinit mantis_init(void) 292{ 293 return pci_register_driver(&mantis_pci_driver); 294} 295 296static void __devexit mantis_exit(void) 297{ 298 return pci_unregister_driver(&mantis_pci_driver); 299} 300 301module_init(mantis_init); 302module_exit(mantis_exit); 303 304MODULE_DESCRIPTION("MANTIS driver"); 305MODULE_AUTHOR("Manu Abraham"); 306MODULE_LICENSE("GPL"); 307