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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [media/] [video/] [saa7185.c] - Blame information for rev 1765

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/*
    saa7185 - Philips SAA7185B video encoder driver version 0.0.3
 
    Copyright (C) 1998 Dave Perks <dperks@ibm.net>
 
    Slight changes for video timing and attachment output by
    Wolfgang Scherr <scherr@net4you.net>
 
    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/init.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/pci.h>
#include <linux/signal.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
#include <asm/segment.h>
#include <linux/types.h>
#include <linux/wrapper.h>
 
#include <linux/videodev.h>
#include <linux/version.h>
#include <asm/uaccess.h>
 
#include <linux/i2c-old.h>
 
#include <linux/video_encoder.h>
 
#define DEBUG(x)                /* Debug driver */
 
/* ----------------------------------------------------------------------- */
 
struct saa7185 {
        struct i2c_bus *bus;
        int addr;
        unsigned char reg[128];
 
        int norm;
        int enable;
        int bright;
        int contrast;
        int hue;
        int sat;
};
 
#define   I2C_SAA7185        0x88
 
#define I2C_DELAY   10
 
/* ----------------------------------------------------------------------- */
 
static int saa7185_read(struct saa7185 *dev)
{
        int ack;
 
        LOCK_I2C_BUS(dev->bus);
 
        i2c_start(dev->bus);
        i2c_sendbyte(dev->bus, dev->addr | 1, I2C_DELAY);
        ack = i2c_readbyte(dev->bus, 1);
        i2c_stop(dev->bus);
        UNLOCK_I2C_BUS(dev->bus);
        return ack;
}
 
static int saa7185_write(struct saa7185 *dev, unsigned char subaddr,
                         unsigned char data)
{
        int ack;
 
        DEBUG(printk
              (KERN_DEBUG "SAA7185: %02x set to %02x\n", subaddr, data);
            )
            LOCK_I2C_BUS(dev->bus);
 
        i2c_start(dev->bus);
        i2c_sendbyte(dev->bus, dev->addr, I2C_DELAY);
        i2c_sendbyte(dev->bus, subaddr, I2C_DELAY);
        ack = i2c_sendbyte(dev->bus, data, I2C_DELAY);
        dev->reg[subaddr] = data;
        i2c_stop(dev->bus);
        UNLOCK_I2C_BUS(dev->bus);
        return ack;
}
 
static int saa7185_write_block(struct saa7185 *dev,
                               unsigned const char *data, unsigned int len)
{
        int ack = -1;
        unsigned subaddr;
 
        while (len > 1) {
                LOCK_I2C_BUS(dev->bus);
                i2c_start(dev->bus);
                i2c_sendbyte(dev->bus, dev->addr, I2C_DELAY);
                ack = i2c_sendbyte(dev->bus, (subaddr = *data++), I2C_DELAY);
                ack = i2c_sendbyte(dev->bus, (dev->reg[subaddr] = *data++), I2C_DELAY);
                len -= 2;
                while (len > 1 && *data == ++subaddr) {
                        data++;
                        ack = i2c_sendbyte(dev->bus, (dev->reg[subaddr] = *data++), I2C_DELAY);
                        len -= 2;
                }
                i2c_stop(dev->bus);
                UNLOCK_I2C_BUS(dev->bus);
        }
        return ack;
}
 
/* ----------------------------------------------------------------------- */
 
static const unsigned char init_common[] = {
        0x3a, 0x0f,             /* CBENB=0, V656=0, VY2C=1, YUV2C=1, MY2C=1, MUV2C=1 */
 
        0x42, 0x6b,             /* OVLY0=107 */
        0x43, 0x00,             /* OVLU0=0     white */
        0x44, 0x00,             /* OVLV0=0   */
        0x45, 0x22,             /* OVLY1=34  */
        0x46, 0xac,             /* OVLU1=172   yellow */
        0x47, 0x0e,             /* OVLV1=14  */
        0x48, 0x03,             /* OVLY2=3   */
        0x49, 0x1d,             /* OVLU2=29    cyan */
        0x4a, 0xac,             /* OVLV2=172 */
        0x4b, 0xf0,             /* OVLY3=240 */
        0x4c, 0xc8,             /* OVLU3=200   green */
        0x4d, 0xb9,             /* OVLV3=185 */
        0x4e, 0xd4,             /* OVLY4=212 */
        0x4f, 0x38,             /* OVLU4=56    magenta */
        0x50, 0x47,             /* OVLV4=71  */
        0x51, 0xc1,             /* OVLY5=193 */
        0x52, 0xe3,             /* OVLU5=227   red */
        0x53, 0x54,             /* OVLV5=84  */
        0x54, 0xa3,             /* OVLY6=163 */
        0x55, 0x54,             /* OVLU6=84    blue */
        0x56, 0xf2,             /* OVLV6=242 */
        0x57, 0x90,             /* OVLY7=144 */
        0x58, 0x00,             /* OVLU7=0     black */
        0x59, 0x00,             /* OVLV7=0   */
 
        0x5a, 0x00,             /* CHPS=0    */
        0x5b, 0x76,             /* GAINU=118 */
        0x5c, 0xa5,             /* GAINV=165 */
        0x5d, 0x3c,             /* BLCKL=60  */
        0x5e, 0x3a,             /* BLNNL=58  */
        0x5f, 0x3a,             /* CCRS=0, BLNVB=58 */
        0x60, 0x00,             /* NULL      */
 
/* 0x61 - 0x66 set according to norm */
 
        0x67, 0x00,             /* 0 : caption 1st byte odd  field */
        0x68, 0x00,             /* 0 : caption 2nd byte odd  field */
        0x69, 0x00,             /* 0 : caption 1st byte even field */
        0x6a, 0x00,             /* 0 : caption 2nd byte even field */
 
        0x6b, 0x91,             /* MODIN=2, PCREF=0, SCCLN=17 */
        0x6c, 0x20,             /* SRCV1=0, TRCV2=1, ORCV1=0, PRCV1=0, CBLF=0, ORCV2=0, PRCV2=0 */
        0x6d, 0x00,             /* SRCM1=0, CCEN=0 */
 
        0x6e, 0x0e,             /* HTRIG=0x005, approx. centered, at least for PAL */
        0x6f, 0x00,             /* HTRIG upper bits */
        0x70, 0x20,             /* PHRES=0, SBLN=1, VTRIG=0 */
 
/* The following should not be needed */
 
        0x71, 0x15,             /* BMRQ=0x115 */
        0x72, 0x90,             /* EMRQ=0x690 */
        0x73, 0x61,             /* EMRQ=0x690, BMRQ=0x115 */
        0x74, 0x00,             /* NULL       */
        0x75, 0x00,             /* NULL       */
        0x76, 0x00,             /* NULL       */
        0x77, 0x15,             /* BRCV=0x115 */
        0x78, 0x90,             /* ERCV=0x690 */
        0x79, 0x61,             /* ERCV=0x690, BRCV=0x115 */
 
/* Field length controls */
 
        0x7a, 0x70,             /* FLC=0 */
 
/* The following should not be needed if SBLN = 1 */
 
        0x7b, 0x16,             /* FAL=22 */
        0x7c, 0x35,             /* LAL=244 */
        0x7d, 0x20,             /* LAL=244, FAL=22 */
};
 
static const unsigned char init_pal[] = {
        0x61, 0x1e,             /* FISE=0, PAL=1, SCBW=1, RTCE=1, YGS=1, INPI=0, DOWN=0 */
        0x62, 0xc8,             /* DECTYP=1, BSTA=72 */
        0x63, 0xcb,             /* FSC0 */
        0x64, 0x8a,             /* FSC1 */
        0x65, 0x09,             /* FSC2 */
        0x66, 0x2a,             /* FSC3 */
};
 
static const unsigned char init_ntsc[] = {
        0x61, 0x1d,             /* FISE=1, PAL=0, SCBW=1, RTCE=1, YGS=1, INPI=0, DOWN=0 */
        0x62, 0xe6,             /* DECTYP=1, BSTA=102 */
        0x63, 0x1f,             /* FSC0 */
        0x64, 0x7c,             /* FSC1 */
        0x65, 0xf0,             /* FSC2 */
        0x66, 0x21,             /* FSC3 */
};
 
static int saa7185_attach(struct i2c_device *device)
{
        int i;
        struct saa7185 *encoder;
 
        MOD_INC_USE_COUNT;
 
        device->data = encoder = kmalloc(sizeof(struct saa7185), GFP_KERNEL);
        if (encoder == NULL) {
                MOD_DEC_USE_COUNT;
                return -ENOMEM;
        }
 
 
        memset(encoder, 0, sizeof(struct saa7185));
        strcpy(device->name, "saa7185");
        encoder->bus = device->bus;
        encoder->addr = device->addr;
        encoder->norm = VIDEO_MODE_NTSC;
        encoder->enable = 1;
 
        i = saa7185_write_block(encoder, init_common, sizeof(init_common));
        if (i >= 0) {
                i = saa7185_write_block(encoder, init_ntsc,
                                        sizeof(init_ntsc));
        }
        if (i < 0) {
                printk(KERN_ERR "%s_attach: init error %d\n", device->name,
                       i);
        } else {
                printk(KERN_INFO "%s_attach: chip version %d\n",
                       device->name, saa7185_read(encoder) >> 5);
        }
 
        return 0;
}
 
 
static int saa7185_detach(struct i2c_device *device)
{
        struct saa7185 *encoder = device->data;
        saa7185_write(encoder, 0x61, (encoder->reg[0x61]) | 0x40);      /* SW: output off is active */
        //saa7185_write(encoder, 0x3a, (encoder->reg[0x3a]) | 0x80); /* SW: color bar */
        kfree(encoder);
        MOD_DEC_USE_COUNT;
        return 0;
}
 
static int saa7185_command(struct i2c_device *device, unsigned int cmd,
                           void *arg)
{
        struct saa7185 *encoder = device->data;
 
        switch (cmd) {
 
        case ENCODER_GET_CAPABILITIES:
                {
                        struct video_encoder_capability *cap = arg;
 
                        cap->flags
                            = VIDEO_ENCODER_PAL
                            | VIDEO_ENCODER_NTSC
                            | VIDEO_ENCODER_SECAM | VIDEO_ENCODER_CCIR;
                        cap->inputs = 1;
                        cap->outputs = 1;
                }
                break;
 
        case ENCODER_SET_NORM:
                {
                        int *iarg = arg;
 
                        switch (*iarg) {
 
                        case VIDEO_MODE_NTSC:
                                saa7185_write_block(encoder, init_ntsc,
                                                    sizeof(init_ntsc));
                                break;
 
                        case VIDEO_MODE_PAL:
                                saa7185_write_block(encoder, init_pal,
                                                    sizeof(init_pal));
                                break;
 
                        case VIDEO_MODE_SECAM:
                        default:
                                return -EINVAL;
 
                        }
                        encoder->norm = *iarg;
                }
                break;
 
        case ENCODER_SET_INPUT:
                {
                        int *iarg = arg;
 
                        /* RJ: *iarg = 0: input is from SA7111
                           *iarg = 1: input is from ZR36060 */
 
                        switch (*iarg) {
 
                        case 0:
                                /* Switch RTCE to 1 */
                                saa7185_write(encoder, 0x61,
                                              (encoder->
                                               reg[0x61] & 0xf7) | 0x08);
                                saa7185_write(encoder, 0x6e, 0x01);
                                break;
 
                        case 1:
                                /* Switch RTCE to 0 */
                                saa7185_write(encoder, 0x61,
                                              (encoder->
                                               reg[0x61] & 0xf7) | 0x00);
                                /* SW: a slight sync problem... */
                                saa7185_write(encoder, 0x6e, 0x00);
                                break;
 
                        default:
                                return -EINVAL;
 
                        }
                }
                break;
 
        case ENCODER_SET_OUTPUT:
                {
                        int *iarg = arg;
 
                        /* not much choice of outputs */
                        if (*iarg != 0) {
                                return -EINVAL;
                        }
                }
                break;
 
        case ENCODER_ENABLE_OUTPUT:
                {
                        int *iarg = arg;
 
                        encoder->enable = !!*iarg;
                        saa7185_write(encoder, 0x61,
                                      (encoder->
                                       reg[0x61] & 0xbf) | (encoder->
                                                            enable ? 0x00 :
                                                            0x40));
                }
                break;
 
        default:
                return -EINVAL;
        }
 
        return 0;
}
 
/* ----------------------------------------------------------------------- */
 
static struct i2c_driver i2c_driver_saa7185 = {
        "saa7185",              /* name */
        I2C_DRIVERID_VIDEOENCODER,      /* ID */
        I2C_SAA7185, I2C_SAA7185 + 1,
 
        saa7185_attach,
        saa7185_detach,
        saa7185_command
};
 
EXPORT_NO_SYMBOLS;
 
static int saa7185_init(void)
{
        return i2c_register_driver(&i2c_driver_saa7185);
}
 
static void saa7185_exit(void)
{
        i2c_unregister_driver(&i2c_driver_saa7185);
}
 
module_init(saa7185_init);
module_exit(saa7185_exit);
MODULE_LICENSE("GPL");

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [media/] [video/] [saa7185.c] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`saa7185 - Philips SAA7185B video encoder driver version 0.0.3`
3
4			`Copyright (C) 1998 Dave Perks <dperks@ibm.net>`
5
6			`Slight changes for video timing and attachment output by`
7			`Wolfgang Scherr <scherr@net4you.net>`
8
9			`This program is free software; you can redistribute it and/or modify`
10			`it under the terms of the GNU General Public License as published by`
11			`the Free Software Foundation; either version 2 of the License, or`
12			`(at your option) any later version.`
13
14			`This program is distributed in the hope that it will be useful,`
15			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
16			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
17			`GNU General Public License for more details.`
18
19			`You should have received a copy of the GNU General Public License`
20			`along with this program; if not, write to the Free Software`
21			`Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.`
22			`*/`
23
24			`#include <linux/module.h>`
25			`#include <linux/init.h>`
26			`#include <linux/delay.h>`
27			`#include <linux/errno.h>`
28			`#include <linux/fs.h>`
29			`#include <linux/kernel.h>`
30			`#include <linux/major.h>`
31			`#include <linux/slab.h>`
32			`#include <linux/mm.h>`
33			`#include <linux/pci.h>`
34			`#include <linux/signal.h>`
35			`#include <asm/io.h>`
36			`#include <asm/pgtable.h>`
37			`#include <asm/page.h>`
38			`#include <linux/sched.h>`
39			`#include <asm/segment.h>`
40			`#include <linux/types.h>`
41			`#include <linux/wrapper.h>`
42
43			`#include <linux/videodev.h>`
44			`#include <linux/version.h>`
45			`#include <asm/uaccess.h>`
46
47			`#include <linux/i2c-old.h>`
48
49			`#include <linux/video_encoder.h>`
50
51			`#define DEBUG(x) /* Debug driver */`
52
53			`/* ----------------------------------------------------------------------- */`
54
55			`struct saa7185 {`
56			`struct i2c_bus *bus;`
57			`int addr;`
58			`unsigned char reg[128];`
59
60			`int norm;`
61			`int enable;`
62			`int bright;`
63			`int contrast;`
64			`int hue;`
65			`int sat;`
66			`};`
67
68			`#define I2C_SAA7185 0x88`
69
70			`#define I2C_DELAY 10`
71
72			`/* ----------------------------------------------------------------------- */`
73
74			`static int saa7185_read(struct saa7185 *dev)`
75			`{`
76			`int ack;`
77
78			`LOCK_I2C_BUS(dev->bus);`
79
80			`i2c_start(dev->bus);`
81			`i2c_sendbyte(dev->bus, dev->addr \| 1, I2C_DELAY);`
82			`ack = i2c_readbyte(dev->bus, 1);`
83			`i2c_stop(dev->bus);`
84			`UNLOCK_I2C_BUS(dev->bus);`
85			`return ack;`
86			`}`
87
88			`static int saa7185_write(struct saa7185 *dev, unsigned char subaddr,`
89			`unsigned char data)`
90			`{`
91			`int ack;`
92
93			`DEBUG(printk`
94			`(KERN_DEBUG "SAA7185: %02x set to %02x\n", subaddr, data);`
95			`)`
96			`LOCK_I2C_BUS(dev->bus);`
97
98			`i2c_start(dev->bus);`
99			`i2c_sendbyte(dev->bus, dev->addr, I2C_DELAY);`
100			`i2c_sendbyte(dev->bus, subaddr, I2C_DELAY);`
101			`ack = i2c_sendbyte(dev->bus, data, I2C_DELAY);`
102			`dev->reg[subaddr] = data;`
103			`i2c_stop(dev->bus);`
104			`UNLOCK_I2C_BUS(dev->bus);`
105			`return ack;`
106			`}`
107
108			`static int saa7185_write_block(struct saa7185 *dev,`
109			`unsigned const char *data, unsigned int len)`
110			`{`
111			`int ack = -1;`
112			`unsigned subaddr;`
113
114			`while (len > 1) {`
115			`LOCK_I2C_BUS(dev->bus);`
116			`i2c_start(dev->bus);`
117			`i2c_sendbyte(dev->bus, dev->addr, I2C_DELAY);`
118			`ack = i2c_sendbyte(dev->bus, (subaddr = *data++), I2C_DELAY);`
119			`ack = i2c_sendbyte(dev->bus, (dev->reg[subaddr] = *data++), I2C_DELAY);`
120			`len -= 2;`
121			`while (len > 1 && *data == ++subaddr) {`
122			`data++;`
123			`ack = i2c_sendbyte(dev->bus, (dev->reg[subaddr] = *data++), I2C_DELAY);`
124			`len -= 2;`
125			`}`
126			`i2c_stop(dev->bus);`
127			`UNLOCK_I2C_BUS(dev->bus);`
128			`}`
129			`return ack;`
130			`}`
131
132			`/* ----------------------------------------------------------------------- */`
133
134			`static const unsigned char init_common[] = {`
135			`0x3a, 0x0f, /* CBENB=0, V656=0, VY2C=1, YUV2C=1, MY2C=1, MUV2C=1 */`
136
137			`0x42, 0x6b, /* OVLY0=107 */`
138			`0x43, 0x00, /* OVLU0=0 white */`
139			`0x44, 0x00, /* OVLV0=0 */`
140			`0x45, 0x22, /* OVLY1=34 */`
141			`0x46, 0xac, /* OVLU1=172 yellow */`
142			`0x47, 0x0e, /* OVLV1=14 */`
143			`0x48, 0x03, /* OVLY2=3 */`
144			`0x49, 0x1d, /* OVLU2=29 cyan */`
145			`0x4a, 0xac, /* OVLV2=172 */`
146			`0x4b, 0xf0, /* OVLY3=240 */`
147			`0x4c, 0xc8, /* OVLU3=200 green */`
148			`0x4d, 0xb9, /* OVLV3=185 */`
149			`0x4e, 0xd4, /* OVLY4=212 */`
150			`0x4f, 0x38, /* OVLU4=56 magenta */`
151			`0x50, 0x47, /* OVLV4=71 */`
152			`0x51, 0xc1, /* OVLY5=193 */`
153			`0x52, 0xe3, /* OVLU5=227 red */`
154			`0x53, 0x54, /* OVLV5=84 */`
155			`0x54, 0xa3, /* OVLY6=163 */`
156			`0x55, 0x54, /* OVLU6=84 blue */`
157			`0x56, 0xf2, /* OVLV6=242 */`
158			`0x57, 0x90, /* OVLY7=144 */`
159			`0x58, 0x00, /* OVLU7=0 black */`
160			`0x59, 0x00, /* OVLV7=0 */`
161
162			`0x5a, 0x00, /* CHPS=0 */`
163			`0x5b, 0x76, /* GAINU=118 */`
164			`0x5c, 0xa5, /* GAINV=165 */`
165			`0x5d, 0x3c, /* BLCKL=60 */`
166			`0x5e, 0x3a, /* BLNNL=58 */`
167			`0x5f, 0x3a, /* CCRS=0, BLNVB=58 */`
168			`0x60, 0x00, /* NULL */`
169
170			`/* 0x61 - 0x66 set according to norm */`
171
172			`0x67, 0x00, /* 0 : caption 1st byte odd field */`
173			`0x68, 0x00, /* 0 : caption 2nd byte odd field */`
174			`0x69, 0x00, /* 0 : caption 1st byte even field */`
175			`0x6a, 0x00, /* 0 : caption 2nd byte even field */`
176
177			`0x6b, 0x91, /* MODIN=2, PCREF=0, SCCLN=17 */`
178			`0x6c, 0x20, /* SRCV1=0, TRCV2=1, ORCV1=0, PRCV1=0, CBLF=0, ORCV2=0, PRCV2=0 */`
179			`0x6d, 0x00, /* SRCM1=0, CCEN=0 */`
180
181			`0x6e, 0x0e, /* HTRIG=0x005, approx. centered, at least for PAL */`
182			`0x6f, 0x00, /* HTRIG upper bits */`
183			`0x70, 0x20, /* PHRES=0, SBLN=1, VTRIG=0 */`
184
185			`/* The following should not be needed */`
186
187			`0x71, 0x15, /* BMRQ=0x115 */`
188			`0x72, 0x90, /* EMRQ=0x690 */`
189			`0x73, 0x61, /* EMRQ=0x690, BMRQ=0x115 */`
190			`0x74, 0x00, /* NULL */`
191			`0x75, 0x00, /* NULL */`
192			`0x76, 0x00, /* NULL */`
193			`0x77, 0x15, /* BRCV=0x115 */`
194			`0x78, 0x90, /* ERCV=0x690 */`
195			`0x79, 0x61, /* ERCV=0x690, BRCV=0x115 */`
196
197			`/* Field length controls */`
198
199			`0x7a, 0x70, /* FLC=0 */`
200
201			`/* The following should not be needed if SBLN = 1 */`
202
203			`0x7b, 0x16, /* FAL=22 */`
204			`0x7c, 0x35, /* LAL=244 */`
205			`0x7d, 0x20, /* LAL=244, FAL=22 */`
206			`};`
207
208			`static const unsigned char init_pal[] = {`
209			`0x61, 0x1e, /* FISE=0, PAL=1, SCBW=1, RTCE=1, YGS=1, INPI=0, DOWN=0 */`
210			`0x62, 0xc8, /* DECTYP=1, BSTA=72 */`
211			`0x63, 0xcb, /* FSC0 */`
212			`0x64, 0x8a, /* FSC1 */`
213			`0x65, 0x09, /* FSC2 */`
214			`0x66, 0x2a, /* FSC3 */`
215			`};`
216
217			`static const unsigned char init_ntsc[] = {`
218			`0x61, 0x1d, /* FISE=1, PAL=0, SCBW=1, RTCE=1, YGS=1, INPI=0, DOWN=0 */`
219			`0x62, 0xe6, /* DECTYP=1, BSTA=102 */`
220			`0x63, 0x1f, /* FSC0 */`
221			`0x64, 0x7c, /* FSC1 */`
222			`0x65, 0xf0, /* FSC2 */`
223			`0x66, 0x21, /* FSC3 */`
224			`};`
225
226			`static int saa7185_attach(struct i2c_device *device)`
227			`{`
228			`int i;`
229			`struct saa7185 *encoder;`
230
231			`MOD_INC_USE_COUNT;`
232
233			`device->data = encoder = kmalloc(sizeof(struct saa7185), GFP_KERNEL);`
234			`if (encoder == NULL) {`
235			`MOD_DEC_USE_COUNT;`
236			`return -ENOMEM;`
237			`}`
238
239
240			`memset(encoder, 0, sizeof(struct saa7185));`
241			`strcpy(device->name, "saa7185");`
242			`encoder->bus = device->bus;`
243			`encoder->addr = device->addr;`
244			`encoder->norm = VIDEO_MODE_NTSC;`
245			`encoder->enable = 1;`
246
247			`i = saa7185_write_block(encoder, init_common, sizeof(init_common));`
248			`if (i >= 0) {`
249			`i = saa7185_write_block(encoder, init_ntsc,`
250			`sizeof(init_ntsc));`
251			`}`
252			`if (i < 0) {`
253			`printk(KERN_ERR "%s_attach: init error %d\n", device->name,`
254			`i);`
255			`} else {`
256			`printk(KERN_INFO "%s_attach: chip version %d\n",`
257			`device->name, saa7185_read(encoder) >> 5);`
258			`}`
259
260			`return 0;`
261			`}`
262
263
264			`static int saa7185_detach(struct i2c_device *device)`
265			`{`
266			`struct saa7185 *encoder = device->data;`
267			`saa7185_write(encoder, 0x61, (encoder->reg[0x61]) \| 0x40); /* SW: output off is active */`
268			`//saa7185_write(encoder, 0x3a, (encoder->reg[0x3a]) \| 0x80); /* SW: color bar */`
269			`kfree(encoder);`
270			`MOD_DEC_USE_COUNT;`
271			`return 0;`
272			`}`
273
274			`static int saa7185_command(struct i2c_device *device, unsigned int cmd,`
275			`void *arg)`
276			`{`
277			`struct saa7185 *encoder = device->data;`
278
279			`switch (cmd) {`
280
281			`case ENCODER_GET_CAPABILITIES:`
282			`{`
283			`struct video_encoder_capability *cap = arg;`
284
285			`cap->flags`
286			`= VIDEO_ENCODER_PAL`
287			`\| VIDEO_ENCODER_NTSC`
288			`\| VIDEO_ENCODER_SECAM \| VIDEO_ENCODER_CCIR;`
289			`cap->inputs = 1;`
290			`cap->outputs = 1;`
291			`}`
292			`break;`
293
294			`case ENCODER_SET_NORM:`
295			`{`
296			`int *iarg = arg;`
297
298			`switch (*iarg) {`
299
300			`case VIDEO_MODE_NTSC:`
301			`saa7185_write_block(encoder, init_ntsc,`
302			`sizeof(init_ntsc));`
303			`break;`
304
305			`case VIDEO_MODE_PAL:`
306			`saa7185_write_block(encoder, init_pal,`
307			`sizeof(init_pal));`
308			`break;`
309
310			`case VIDEO_MODE_SECAM:`
311			`default:`
312			`return -EINVAL;`
313
314			`}`
315			`encoder->norm = *iarg;`
316			`}`
317			`break;`
318
319			`case ENCODER_SET_INPUT:`
320			`{`
321			`int *iarg = arg;`
322
323			`/* RJ: *iarg = 0: input is from SA7111`
324			`iarg = 1: input is from ZR36060 /`
325
326			`switch (*iarg) {`
327
328			`case 0:`
329			`/* Switch RTCE to 1 */`
330			`saa7185_write(encoder, 0x61,`
331			`(encoder->`
332			`reg[0x61] & 0xf7) \| 0x08);`
333			`saa7185_write(encoder, 0x6e, 0x01);`
334			`break;`
335
336			`case 1:`
337			`/* Switch RTCE to 0 */`
338			`saa7185_write(encoder, 0x61,`
339			`(encoder->`
340			`reg[0x61] & 0xf7) \| 0x00);`
341			`/* SW: a slight sync problem... */`
342			`saa7185_write(encoder, 0x6e, 0x00);`
343			`break;`
344
345			`default:`
346			`return -EINVAL;`
347
348			`}`
349			`}`
350			`break;`
351
352			`case ENCODER_SET_OUTPUT:`
353			`{`
354			`int *iarg = arg;`
355
356			`/* not much choice of outputs */`
357			`if (*iarg != 0) {`
358			`return -EINVAL;`
359			`}`
360			`}`
361			`break;`
362
363			`case ENCODER_ENABLE_OUTPUT:`
364			`{`
365			`int *iarg = arg;`
366
367			`encoder->enable = !!*iarg;`
368			`saa7185_write(encoder, 0x61,`
369			`(encoder->`
370			`reg[0x61] & 0xbf) \| (encoder->`
371			`enable ? 0x00 :`
372			`0x40));`
373			`}`
374			`break;`
375
376			`default:`
377			`return -EINVAL;`
378			`}`
379
380			`return 0;`
381			`}`
382
383			`/* ----------------------------------------------------------------------- */`
384
385			`static struct i2c_driver i2c_driver_saa7185 = {`
386			`"saa7185", /* name */`
387			`I2C_DRIVERID_VIDEOENCODER, /* ID */`
388			`I2C_SAA7185, I2C_SAA7185 + 1,`
389
390			`saa7185_attach,`
391			`saa7185_detach,`
392			`saa7185_command`
393			`};`
394
395			`EXPORT_NO_SYMBOLS;`
396
397			`static int saa7185_init(void)`
398			`{`
399			`return i2c_register_driver(&i2c_driver_saa7185);`
400			`}`
401
402			`static void saa7185_exit(void)`
403			`{`
404			`i2c_unregister_driver(&i2c_driver_saa7185);`
405			`}`
406
407			`module_init(saa7185_init);`
408			`module_exit(saa7185_exit);`
409			`MODULE_LICENSE("GPL");`