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
mantis_irq_handler(int irq,void * dev_id)74 static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
75 {
76 u32 stat = 0, mask = 0, lstat = 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 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->busy_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
mantis_pci_probe(struct pci_dev * pdev,const struct pci_device_id * pci_id)163 static 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
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
mantis_pci_remove(struct pci_dev * pdev)253 static 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
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, &vp2033_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
mantis_init(void)293 static int __devinit mantis_init(void)
294 {
295 return pci_register_driver(&mantis_pci_driver);
296 }
297
mantis_exit(void)298 static void __devexit mantis_exit(void)
299 {
300 return pci_unregister_driver(&mantis_pci_driver);
301 }
302
303 module_init(mantis_init);
304 module_exit(mantis_exit);
305
306 MODULE_DESCRIPTION("MANTIS driver");
307 MODULE_AUTHOR("Manu Abraham");
308 MODULE_LICENSE("GPL");
309