diff options
Diffstat (limited to 'drivers/media/video/saa7185.c')
| -rw-r--r-- | drivers/media/video/saa7185.c | 505 |
1 files changed, 0 insertions, 505 deletions
diff --git a/drivers/media/video/saa7185.c b/drivers/media/video/saa7185.c deleted file mode 100644 index 02fda4eecea..00000000000 --- a/drivers/media/video/saa7185.c +++ /dev/null @@ -1,505 +0,0 @@ -/* - * 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> - * - * Changes by Ronald Bultje <rbultje@ronald.bitfreak.net> - * - moved over to linux>=2.4.x i2c protocol (1/1/2003) - * - * 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/signal.h> -#include <linux/types.h> -#include <linux/i2c.h> -#include <asm/io.h> -#include <asm/pgtable.h> -#include <asm/page.h> -#include <asm/uaccess.h> - -#include <linux/videodev.h> -#include <linux/video_encoder.h> - -MODULE_DESCRIPTION("Philips SAA7185 video encoder driver"); -MODULE_AUTHOR("Dave Perks"); -MODULE_LICENSE("GPL"); - - -#define I2C_NAME(s) (s)->name - - -static int debug; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "Debug level (0-1)"); - -#define dprintk(num, format, args...) \ - do { \ - if (debug >= num) \ - printk(format, ##args); \ - } while (0) - -/* ----------------------------------------------------------------------- */ - -struct saa7185 { - unsigned char reg[128]; - - int norm; - int enable; - int bright; - int contrast; - int hue; - int sat; -}; - -#define I2C_SAA7185 0x88 - -/* ----------------------------------------------------------------------- */ - -static inline int -saa7185_read (struct i2c_client *client) -{ - return i2c_smbus_read_byte(client); -} - -static int -saa7185_write (struct i2c_client *client, - u8 reg, - u8 value) -{ - struct saa7185 *encoder = i2c_get_clientdata(client); - - dprintk(1, KERN_DEBUG "SAA7185: %02x set to %02x\n", reg, value); - encoder->reg[reg] = value; - return i2c_smbus_write_byte_data(client, reg, value); -} - -static int -saa7185_write_block (struct i2c_client *client, - const u8 *data, - unsigned int len) -{ - int ret = -1; - u8 reg; - - /* the adv7175 has an autoincrement function, use it if - * the adapter understands raw I2C */ - if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { - /* do raw I2C, not smbus compatible */ - struct saa7185 *encoder = i2c_get_clientdata(client); - u8 block_data[32]; - int block_len; - - while (len >= 2) { - block_len = 0; - block_data[block_len++] = reg = data[0]; - do { - block_data[block_len++] = - encoder->reg[reg++] = data[1]; - len -= 2; - data += 2; - } while (len >= 2 && data[0] == reg && - block_len < 32); - if ((ret = i2c_master_send(client, block_data, - block_len)) < 0) - break; - } - } else { - /* do some slow I2C emulation kind of thing */ - while (len >= 2) { - reg = *data++; - if ((ret = saa7185_write(client, reg, - *data++)) < 0) - break; - len -= 2; - } - } - - return ret; -} - -/* ----------------------------------------------------------------------- */ - -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_command (struct i2c_client *client, - unsigned int cmd, - void *arg) -{ - struct saa7185 *encoder = i2c_get_clientdata(client); - - switch (cmd) { - - case 0: - saa7185_write_block(client, init_common, - sizeof(init_common)); - switch (encoder->norm) { - - case VIDEO_MODE_NTSC: - saa7185_write_block(client, init_ntsc, - sizeof(init_ntsc)); - break; - - case VIDEO_MODE_PAL: - saa7185_write_block(client, init_pal, - sizeof(init_pal)); - break; - } - - break; - - 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; - - //saa7185_write_block(client, init_common, sizeof(init_common)); - - switch (*iarg) { - - case VIDEO_MODE_NTSC: - saa7185_write_block(client, init_ntsc, - sizeof(init_ntsc)); - break; - - case VIDEO_MODE_PAL: - saa7185_write_block(client, 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(client, 0x61, - (encoder->reg[0x61] & 0xf7) | 0x08); - saa7185_write(client, 0x6e, 0x01); - break; - - case 1: - /* Switch RTCE to 0 */ - saa7185_write(client, 0x61, - (encoder->reg[0x61] & 0xf7) | 0x00); - /* SW: a slight sync problem... */ - saa7185_write(client, 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(client, 0x61, - (encoder->reg[0x61] & 0xbf) | - (encoder->enable ? 0x00 : 0x40)); - } - break; - - default: - return -EINVAL; - } - - return 0; -} - -/* ----------------------------------------------------------------------- */ - -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ -static unsigned short normal_i2c[] = { I2C_SAA7185 >> 1, I2C_CLIENT_END }; - -static unsigned short ignore = I2C_CLIENT_END; - -static struct i2c_client_address_data addr_data = { - .normal_i2c = normal_i2c, - .probe = &ignore, - .ignore = &ignore, -}; - -static struct i2c_driver i2c_driver_saa7185; - -static int -saa7185_detect_client (struct i2c_adapter *adapter, - int address, - int kind) -{ - int i; - struct i2c_client *client; - struct saa7185 *encoder; - - dprintk(1, - KERN_INFO - "saa7185.c: detecting saa7185 client on address 0x%x\n", - address << 1); - - /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) - return -ENOMEM; - client->addr = address; - client->adapter = adapter; - client->driver = &i2c_driver_saa7185; - strlcpy(I2C_NAME(client), "saa7185", sizeof(I2C_NAME(client))); - - encoder = kzalloc(sizeof(struct saa7185), GFP_KERNEL); - if (encoder == NULL) { - kfree(client); - return -ENOMEM; - } - encoder->norm = VIDEO_MODE_NTSC; - encoder->enable = 1; - i2c_set_clientdata(client, encoder); - - i = i2c_attach_client(client); - if (i) { - kfree(client); - kfree(encoder); - return i; - } - - i = saa7185_write_block(client, init_common, sizeof(init_common)); - if (i >= 0) { - i = saa7185_write_block(client, init_ntsc, - sizeof(init_ntsc)); - } - if (i < 0) { - dprintk(1, KERN_ERR "%s_attach: init error %d\n", - I2C_NAME(client), i); - } else { - dprintk(1, - KERN_INFO - "%s_attach: chip version %d at address 0x%x\n", - I2C_NAME(client), saa7185_read(client) >> 5, - client->addr << 1); - } - - return 0; -} - -static int -saa7185_attach_adapter (struct i2c_adapter *adapter) -{ - dprintk(1, - KERN_INFO - "saa7185.c: starting probe for adapter %s (0x%x)\n", - I2C_NAME(adapter), adapter->id); - return i2c_probe(adapter, &addr_data, &saa7185_detect_client); -} - -static int -saa7185_detach_client (struct i2c_client *client) -{ - struct saa7185 *encoder = i2c_get_clientdata(client); - int err; - - err = i2c_detach_client(client); - if (err) { - return err; - } - - saa7185_write(client, 0x61, (encoder->reg[0x61]) | 0x40); /* SW: output off is active */ - //saa7185_write(client, 0x3a, (encoder->reg[0x3a]) | 0x80); /* SW: color bar */ - - kfree(encoder); - kfree(client); - - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static struct i2c_driver i2c_driver_saa7185 = { - .driver = { - .name = "saa7185", /* name */ - }, - - .id = I2C_DRIVERID_SAA7185B, - - .attach_adapter = saa7185_attach_adapter, - .detach_client = saa7185_detach_client, - .command = saa7185_command, -}; - -static int __init -saa7185_init (void) -{ - return i2c_add_driver(&i2c_driver_saa7185); -} - -static void __exit -saa7185_exit (void) -{ - i2c_del_driver(&i2c_driver_saa7185); -} - -module_init(saa7185_init); -module_exit(saa7185_exit); |
