1/*
2 * ddbridge.h: Digital Devices PCIe bridge driver
3 *
4 * Copyright (C) 2010-2011 Digital Devices GmbH
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 only, as published by the Free Software Foundation.
9 *
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 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 * 02110-1301, USA
21 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
22 */
23
24#ifndef _DDBRIDGE_H_
25#define _DDBRIDGE_H_
26
27#include <linux/types.h>
28#include <linux/sched.h>
29#include <linux/interrupt.h>
30#include <linux/i2c.h>
31#include <linux/mutex.h>
32#include <asm/dma.h>
33#include <linux/dvb/frontend.h>
34#include <linux/dvb/ca.h>
35#include <linux/socket.h>
36
37#include "dmxdev.h"
38#include "dvbdev.h"
39#include "dvb_demux.h"
40#include "dvb_frontend.h"
41#include "dvb_ringbuffer.h"
42#include "dvb_ca_en50221.h"
43#include "dvb_net.h"
44#include "cxd2099.h"
45
46#define DDB_MAX_I2C     4
47#define DDB_MAX_PORT    4
48#define DDB_MAX_INPUT   8
49#define DDB_MAX_OUTPUT  4
50
51struct ddb_info {
52	int   type;
53#define DDB_NONE         0
54#define DDB_OCTOPUS      1
55	char *name;
56	int   port_num;
57	u32   port_type[DDB_MAX_PORT];
58};
59
60/* DMA_SIZE MUST be divisible by 188 and 128 !!! */
61
62#define INPUT_DMA_MAX_BUFS 32      /* hardware table limit */
63#define INPUT_DMA_BUFS 8
64#define INPUT_DMA_SIZE (128*47*21)
65
66#define OUTPUT_DMA_MAX_BUFS 32
67#define OUTPUT_DMA_BUFS 8
68#define OUTPUT_DMA_SIZE (128*47*21)
69
70struct ddb;
71struct ddb_port;
72
73struct ddb_input {
74	struct ddb_port       *port;
75	u32                    nr;
76	int                    attached;
77
78	dma_addr_t             pbuf[INPUT_DMA_MAX_BUFS];
79	u8                    *vbuf[INPUT_DMA_MAX_BUFS];
80	u32                    dma_buf_num;
81	u32                    dma_buf_size;
82
83	struct tasklet_struct  tasklet;
84	spinlock_t             lock;
85	wait_queue_head_t      wq;
86	int                    running;
87	u32                    stat;
88	u32                    cbuf;
89	u32                    coff;
90
91	struct dvb_adapter     adap;
92	struct dvb_device     *dev;
93	struct dvb_frontend   *fe;
94	struct dvb_frontend   *fe2;
95	struct dmxdev          dmxdev;
96	struct dvb_demux       demux;
97	struct dvb_net         dvbnet;
98	struct dmx_frontend    hw_frontend;
99	struct dmx_frontend    mem_frontend;
100	int                    users;
101	int (*gate_ctrl)(struct dvb_frontend *, int);
102};
103
104struct ddb_output {
105	struct ddb_port       *port;
106	u32                    nr;
107	dma_addr_t             pbuf[OUTPUT_DMA_MAX_BUFS];
108	u8                    *vbuf[OUTPUT_DMA_MAX_BUFS];
109	u32                    dma_buf_num;
110	u32                    dma_buf_size;
111	struct tasklet_struct  tasklet;
112	spinlock_t             lock;
113	wait_queue_head_t      wq;
114	int                    running;
115	u32                    stat;
116	u32                    cbuf;
117	u32                    coff;
118
119	struct dvb_adapter     adap;
120	struct dvb_device     *dev;
121};
122
123struct ddb_i2c {
124	struct ddb            *dev;
125	u32                    nr;
126	struct i2c_adapter     adap;
127	struct i2c_adapter     adap2;
128	u32                    regs;
129	u32                    rbuf;
130	u32                    wbuf;
131	int                    done;
132	wait_queue_head_t      wq;
133};
134
135struct ddb_port {
136	struct ddb            *dev;
137	u32                    nr;
138	struct ddb_i2c        *i2c;
139	struct mutex           i2c_gate_lock;
140	u32                    class;
141#define DDB_PORT_NONE           0
142#define DDB_PORT_CI             1
143#define DDB_PORT_TUNER          2
144	u32                    type;
145#define DDB_TUNER_NONE          0
146#define DDB_TUNER_DVBS_ST       1
147#define DDB_TUNER_DVBS_ST_AA    2
148#define DDB_TUNER_DVBCT_TR     16
149#define DDB_TUNER_DVBCT_ST     17
150	u32                    adr;
151
152	struct ddb_input      *input[2];
153	struct ddb_output     *output;
154	struct dvb_ca_en50221 *en;
155};
156
157struct ddb {
158	struct pci_dev        *pdev;
159	unsigned char __iomem *regs;
160	struct ddb_port        port[DDB_MAX_PORT];
161	struct ddb_i2c         i2c[DDB_MAX_I2C];
162	struct ddb_input       input[DDB_MAX_INPUT];
163	struct ddb_output      output[DDB_MAX_OUTPUT];
164
165	struct device         *ddb_dev;
166	int                    nr;
167	u8                     iobuf[1028];
168
169	struct ddb_info       *info;
170	int                    msi;
171};
172
173/****************************************************************************/
174
175#define ddbwritel(_val, _adr)        writel((_val), \
176				     dev->regs+(_adr))
177#define ddbreadl(_adr)               readl(dev->regs+(_adr))
178#define ddbcpyto(_adr, _src, _count) memcpy_toio(dev->regs+(_adr), (_src), (_count))
179#define ddbcpyfrom(_dst, _adr, _count) memcpy_fromio((_dst), dev->regs+(_adr), (_count))
180
181/****************************************************************************/
182
183#endif
184