Version:  2.0.40 2.2.26 2.4.37 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16

Linux/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 
 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 
 53 static unsigned int verbose;
 54 module_param(verbose, int, 0644);
 55 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");
 56 
 57 static int devs;
 58 
 59 #define DRIVER_NAME     "Mantis"
 60 
 61 static 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 
 74 static 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 
162 static 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 
232 fail6:
233 fail4:
234         dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err);
235         mantis_dma_exit(mantis);
236 
237 fail3:
238         dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err);
239         mantis_i2c_exit(mantis);
240 
241 fail2:
242         dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err);
243         mantis_pci_exit(mantis);
244 
245 fail1:
246         dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err);
247         kfree(mantis);
248 
249 fail0:
250         return err;
251 }
252 
253 static 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 
269 static 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 
284 MODULE_DEVICE_TABLE(pci, mantis_pci_table);
285 
286 static 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 
293 module_pci_driver(mantis_pci_driver);
294 
295 MODULE_DESCRIPTION("MANTIS driver");
296 MODULE_AUTHOR("Manu Abraham");
297 MODULE_LICENSE("GPL");
298 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us