summaryrefslogtreecommitdiffstats
path: root/drivers/media/pci/mantis/mantis_cards.c
blob: cdefffc16d9e4cf88f31c0ccaa62b5a78ab7d94c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
/*
	Mantis PCI bridge driver

	Copyright (C) Manu Abraham (abraham.manu@gmail.com)

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <asm/irq.h>
#include <linux/interrupt.h>
#include <media/rc-map.h>

#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"

#include "mantis_common.h"

#include "mantis_vp1033.h"
#include "mantis_vp1034.h"
#include "mantis_vp1041.h"
#include "mantis_vp2033.h"
#include "mantis_vp2040.h"
#include "mantis_vp3030.h"

#include "mantis_dma.h"
#include "mantis_ca.h"
#include "mantis_dvb.h"
#include "mantis_uart.h"
#include "mantis_ioc.h"
#include "mantis_pci.h"
#include "mantis_i2c.h"
#include "mantis_reg.h"
#include "mantis_input.h"

static unsigned int verbose;
module_param(verbose, int, 0644);
MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");

static int devs;

#define DRIVER_NAME	"Mantis"

static char *label[10] = {
	"DMA",
	"IRQ-0",
	"IRQ-1",
	"OCERR",
	"PABRT",
	"RIPRR",
	"PPERR",
	"FTRGT",
	"RISCI",
	"RACK"
};

static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
{
	u32 stat = 0, mask = 0;
	u32 rst_stat = 0, rst_mask = 0;

	struct mantis_pci *mantis;
	struct mantis_ca *ca;

	mantis = (struct mantis_pci *) dev_id;
	if (unlikely(mantis == NULL)) {
		dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
		return IRQ_NONE;
	}
	ca = mantis->mantis_ca;

	stat = mmread(MANTIS_INT_STAT);
	mask = mmread(MANTIS_INT_MASK);
	if (!(stat & mask))
		return IRQ_NONE;

	rst_mask  = MANTIS_GPIF_WRACK  |
		    MANTIS_GPIF_OTHERR |
		    MANTIS_SBUF_WSTO   |
		    MANTIS_GPIF_EXTIRQ;

	rst_stat  = mmread(MANTIS_GPIF_STATUS);
	rst_stat &= rst_mask;
	mmwrite(rst_stat, MANTIS_GPIF_STATUS);

	mantis->mantis_int_stat = stat;
	mantis->mantis_int_mask = mask;
	dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask);
	if (stat & MANTIS_INT_RISCEN) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]);
	}
	if (stat & MANTIS_INT_IRQ0) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]);
		mantis->gpif_status = rst_stat;
		wake_up(&ca->hif_write_wq);
		schedule_work(&ca->hif_evm_work);
	}
	if (stat & MANTIS_INT_IRQ1) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
		spin_lock(&mantis->intmask_lock);
		mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1,
			MANTIS_INT_MASK);
		spin_unlock(&mantis->intmask_lock);
		schedule_work(&mantis->uart_work);
	}
	if (stat & MANTIS_INT_OCERR) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
	}
	if (stat & MANTIS_INT_PABORT) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
	}
	if (stat & MANTIS_INT_RIPERR) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
	}
	if (stat & MANTIS_INT_PPERR) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
	}
	if (stat & MANTIS_INT_FTRGT) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
	}
	if (stat & MANTIS_INT_RISCI) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]);
		mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
		tasklet_schedule(&mantis->tasklet);
	}
	if (stat & MANTIS_INT_I2CDONE) {
		dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
		wake_up(&mantis->i2c_wq);
	}
	mmwrite(stat, MANTIS_INT_STAT);
	stat &= ~(MANTIS_INT_RISCEN   | MANTIS_INT_I2CDONE |
		  MANTIS_INT_I2CRACK  | MANTIS_INT_PCMCIA7 |
		  MANTIS_INT_PCMCIA6  | MANTIS_INT_PCMCIA5 |
		  MANTIS_INT_PCMCIA4  | MANTIS_INT_PCMCIA3 |
		  MANTIS_INT_PCMCIA2  | MANTIS_INT_PCMCIA1 |
		  MANTIS_INT_PCMCIA0  | MANTIS_INT_IRQ1	   |
		  MANTIS_INT_IRQ0     | MANTIS_INT_OCERR   |
		  MANTIS_INT_PABORT   | MANTIS_INT_RIPERR  |
		  MANTIS_INT_PPERR    | MANTIS_INT_FTRGT   |
		  MANTIS_INT_RISCI);

	if (stat)
		dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);

	dprintk(MANTIS_DEBUG, 0, "\n");
	return IRQ_HANDLED;
}

static int mantis_pci_probe(struct pci_dev *pdev,
			    const struct pci_device_id *pci_id)
{
	struct mantis_pci_drvdata *drvdata;
	struct mantis_pci *mantis;
	struct mantis_hwconfig *config;
	int err = 0;

	mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
	if (mantis == NULL) {
		printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
		return -ENOMEM;
	}

	drvdata			= (void *)pci_id->driver_data;
	mantis->num		= devs;
	mantis->verbose		= verbose;
	mantis->pdev		= pdev;
	config			= drvdata->hwconfig;
	config->irq_handler	= &mantis_irq_handler;
	mantis->hwconfig	= config;
	mantis->rc_map_name	= drvdata->rc_map_name;

	spin_lock_init(&mantis->intmask_lock);

	err = mantis_pci_init(mantis);
	if (err) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
		goto err_free_mantis;
	}

	err = mantis_stream_control(mantis, STREAM_TO_HIF);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
		goto err_pci_exit;
	}

	err = mantis_i2c_init(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
		goto err_pci_exit;
	}

	err = mantis_get_mac(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
		goto err_i2c_exit;
	}

	err = mantis_dma_init(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
		goto err_i2c_exit;
	}

	err = mantis_dvb_init(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
		goto err_dma_exit;
	}

	err = mantis_input_init(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1,
			"ERROR: Mantis DVB initialization failed <%d>", err);
		goto err_dvb_exit;
	}

	err = mantis_uart_init(mantis);
	if (err < 0) {
		dprintk(MANTIS_ERROR, 1, "ERROR: Mantis UART initialization failed <%d>", err);
		goto err_input_exit;
	}

	devs++;

	return 0;

err_input_exit:
	mantis_input_exit(mantis);

err_dvb_exit:
	mantis_dvb_exit(mantis);

err_dma_exit:
	mantis_dma_exit(mantis);

err_i2c_exit:
	mantis_i2c_exit(mantis);

err_pci_exit:
	mantis_pci_exit(mantis);

err_free_mantis:
	kfree(mantis);

	return err;
}

static void mantis_pci_remove(struct pci_dev *pdev)
{
	struct mantis_pci *mantis = pci_get_drvdata(pdev);

	if (mantis) {

		mantis_uart_exit(mantis);
		mantis_input_exit(mantis);
		mantis_dvb_exit(mantis);
		mantis_dma_exit(mantis);
		mantis_i2c_exit(mantis);
		mantis_pci_exit(mantis);
		kfree(mantis);
	}
	return;
}

static struct pci_device_id mantis_pci_table[] = {
	MAKE_ENTRY(TECHNISAT, CABLESTAR_HD2, &vp2040_config,
		   RC_MAP_TECHNISAT_TS35),
	MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_10, &vp1041_config,
		   NULL),
	MAKE_ENTRY(TECHNISAT, SKYSTAR_HD2_20, &vp1041_config,
		   NULL),
	MAKE_ENTRY(TERRATEC, CINERGY_C, &vp2040_config,
		   RC_MAP_TERRATEC_CINERGY_C_PCI),
	MAKE_ENTRY(TERRATEC, CINERGY_S2_PCI_HD, &vp1041_config,
		   RC_MAP_TERRATEC_CINERGY_S2_HD),
	MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1033_DVB_S, &vp1033_config,
		   NULL),
	MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1034_DVB_S, &vp1034_config,
		   NULL),
	MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_1041_DVB_S2, &vp1041_config,
		   RC_MAP_TWINHAN_DTV_CAB_CI),
	MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2033_DVB_C, &vp2033_config,
		   RC_MAP_TWINHAN_DTV_CAB_CI),
	MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_2040_DVB_C, &vp2040_config,
		   NULL),
	MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3030_DVB_T, &vp3030_config,
		   NULL),
	{ }
};

MODULE_DEVICE_TABLE(pci, mantis_pci_table);

static struct pci_driver mantis_pci_driver = {
	.name		= DRIVER_NAME,
	.id_table	= mantis_pci_table,
	.probe		= mantis_pci_probe,
	.remove		= mantis_pci_remove,
};

module_pci_driver(mantis_pci_driver);

MODULE_DESCRIPTION("MANTIS driver");
MODULE_AUTHOR("Manu Abraham");
MODULE_LICENSE("GPL");