diff options
Diffstat (limited to 'drivers/media/video/saa7111.c')
-rw-r--r-- | drivers/media/video/saa7111.c | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/drivers/media/video/saa7111.c b/drivers/media/video/saa7111.c deleted file mode 100644 index a4738a2fb4d..00000000000 --- a/drivers/media/video/saa7111.c +++ /dev/null @@ -1,492 +0,0 @@ -/* - * saa7111 - Philips SAA7111A video decoder 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) - * - * Changes by Michael Hunold <michael@mihu.de> - * - implemented DECODER_SET_GPIO, DECODER_INIT, DECODER_SET_VBI_BYPASS - * - * 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/types.h> -#include <linux/ioctl.h> -#include <asm/uaccess.h> -#include <linux/i2c.h> -#include <linux/i2c-id.h> -#include <linux/videodev.h> -#include <linux/video_decoder.h> -#include <media/v4l2-common.h> -#include <media/v4l2-i2c-drv-legacy.h> - -MODULE_DESCRIPTION("Philips SAA7111 video decoder driver"); -MODULE_AUTHOR("Dave Perks"); -MODULE_LICENSE("GPL"); - -static int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Debug level (0-1)"); - -/* ----------------------------------------------------------------------- */ - -#define SAA7111_NR_REG 0x18 - -struct saa7111 { - unsigned char reg[SAA7111_NR_REG]; - - int norm; - int input; - int enable; -}; - -/* ----------------------------------------------------------------------- */ - -static inline int saa7111_write(struct i2c_client *client, u8 reg, u8 value) -{ - struct saa7111 *decoder = i2c_get_clientdata(client); - - decoder->reg[reg] = value; - return i2c_smbus_write_byte_data(client, reg, value); -} - -static inline void saa7111_write_if_changed(struct i2c_client *client, u8 reg, u8 value) -{ - struct saa7111 *decoder = i2c_get_clientdata(client); - - if (decoder->reg[reg] != value) { - decoder->reg[reg] = value; - i2c_smbus_write_byte_data(client, reg, value); - } -} - -static int saa7111_write_block(struct i2c_client *client, const u8 *data, unsigned int len) -{ - int ret = -1; - u8 reg; - - /* the saa7111 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 saa7111 *decoder = 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++] = - decoder->reg[reg++] = data[1]; - len -= 2; - data += 2; - } while (len >= 2 && data[0] == reg && block_len < 32); - ret = i2c_master_send(client, block_data, block_len); - if (ret < 0) - break; - } - } else { - /* do some slow I2C emulation kind of thing */ - while (len >= 2) { - reg = *data++; - ret = saa7111_write(client, reg, *data++); - if (ret < 0) - break; - len -= 2; - } - } - - return ret; -} - -static int saa7111_init_decoder(struct i2c_client *client, - struct video_decoder_init *init) -{ - return saa7111_write_block(client, init->data, init->len); -} - -static inline int saa7111_read(struct i2c_client *client, u8 reg) -{ - return i2c_smbus_read_byte_data(client, reg); -} - -/* ----------------------------------------------------------------------- */ - -static const unsigned char saa7111_i2c_init[] = { - 0x00, 0x00, /* 00 - ID byte */ - 0x01, 0x00, /* 01 - reserved */ - - /*front end */ - 0x02, 0xd0, /* 02 - FUSE=3, GUDL=2, MODE=0 */ - 0x03, 0x23, /* 03 - HLNRS=0, VBSL=1, WPOFF=0, - * HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */ - 0x04, 0x00, /* 04 - GAI1=256 */ - 0x05, 0x00, /* 05 - GAI2=256 */ - - /* decoder */ - 0x06, 0xf3, /* 06 - HSB at 13(50Hz) / 17(60Hz) - * pixels after end of last line */ - /*0x07, 0x13, * 07 - HSS at 113(50Hz) / 117(60Hz) pixels - * after end of last line */ - 0x07, 0xe8, /* 07 - HSS seems to be needed to - * work with NTSC, too */ - 0x08, 0xc8, /* 08 - AUFD=1, FSEL=1, EXFIL=0, - * VTRC=1, HPLL=0, VNOI=0 */ - 0x09, 0x01, /* 09 - BYPS=0, PREF=0, BPSS=0, - * VBLB=0, UPTCV=0, APER=1 */ - 0x0a, 0x80, /* 0a - BRIG=128 */ - 0x0b, 0x47, /* 0b - CONT=1.109 */ - 0x0c, 0x40, /* 0c - SATN=1.0 */ - 0x0d, 0x00, /* 0d - HUE=0 */ - 0x0e, 0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0, - * FCTC=0, CHBW=1 */ - 0x0f, 0x00, /* 0f - reserved */ - 0x10, 0x48, /* 10 - OFTS=1, HDEL=0, VRLN=1, YDEL=0 */ - 0x11, 0x1c, /* 11 - GPSW=0, CM99=0, FECO=0, COMPO=1, - * OEYC=1, OEHV=1, VIPB=0, COLO=0 */ - 0x12, 0x00, /* 12 - output control 2 */ - 0x13, 0x00, /* 13 - output control 3 */ - 0x14, 0x00, /* 14 - reserved */ - 0x15, 0x00, /* 15 - VBI */ - 0x16, 0x00, /* 16 - VBI */ - 0x17, 0x00, /* 17 - VBI */ -}; - -static int saa7111_command(struct i2c_client *client, unsigned cmd, void *arg) -{ - struct saa7111 *decoder = i2c_get_clientdata(client); - - switch (cmd) { - case 0: - break; - case DECODER_INIT: - { - struct video_decoder_init *init = arg; - struct video_decoder_init vdi; - - if (NULL != init) - return saa7111_init_decoder(client, init); - vdi.data = saa7111_i2c_init; - vdi.len = sizeof(saa7111_i2c_init); - return saa7111_init_decoder(client, &vdi); - } - - case DECODER_DUMP: - { - int i; - - for (i = 0; i < SAA7111_NR_REG; i += 16) { - int j; - - v4l_info(client, "%03x", i); - for (j = 0; j < 16 && i + j < SAA7111_NR_REG; ++j) { - printk(KERN_CONT " %02x", - saa7111_read(client, i + j)); - } - printk(KERN_CONT "\n"); - } - break; - } - - case DECODER_GET_CAPABILITIES: - { - struct video_decoder_capability *cap = arg; - - cap->flags = VIDEO_DECODER_PAL | - VIDEO_DECODER_NTSC | - VIDEO_DECODER_SECAM | - VIDEO_DECODER_AUTO | - VIDEO_DECODER_CCIR; - cap->inputs = 8; - cap->outputs = 1; - break; - } - - case DECODER_GET_STATUS: - { - int *iarg = arg; - int status; - int res; - - status = saa7111_read(client, 0x1f); - v4l_dbg(1, debug, client, "status: 0x%02x\n", status); - res = 0; - if ((status & (1 << 6)) == 0) { - res |= DECODER_STATUS_GOOD; - } - switch (decoder->norm) { - case VIDEO_MODE_NTSC: - res |= DECODER_STATUS_NTSC; - break; - case VIDEO_MODE_PAL: - res |= DECODER_STATUS_PAL; - break; - case VIDEO_MODE_SECAM: - res |= DECODER_STATUS_SECAM; - break; - default: - case VIDEO_MODE_AUTO: - if ((status & (1 << 5)) != 0) { - res |= DECODER_STATUS_NTSC; - } else { - res |= DECODER_STATUS_PAL; - } - break; - } - if ((status & (1 << 0)) != 0) { - res |= DECODER_STATUS_COLOR; - } - *iarg = res; - break; - } - - case DECODER_SET_GPIO: - { - int *iarg = arg; - if (0 != *iarg) { - saa7111_write(client, 0x11, - (decoder->reg[0x11] | 0x80)); - } else { - saa7111_write(client, 0x11, - (decoder->reg[0x11] & 0x7f)); - } - break; - } - - case DECODER_SET_VBI_BYPASS: - { - int *iarg = arg; - if (0 != *iarg) { - saa7111_write(client, 0x13, - (decoder->reg[0x13] & 0xf0) | 0x0a); - } else { - saa7111_write(client, 0x13, - (decoder->reg[0x13] & 0xf0)); - } - break; - } - - case DECODER_SET_NORM: - { - int *iarg = arg; - - switch (*iarg) { - - case VIDEO_MODE_NTSC: - saa7111_write(client, 0x08, - (decoder->reg[0x08] & 0x3f) | 0x40); - saa7111_write(client, 0x0e, - (decoder->reg[0x0e] & 0x8f)); - break; - - case VIDEO_MODE_PAL: - saa7111_write(client, 0x08, - (decoder->reg[0x08] & 0x3f) | 0x00); - saa7111_write(client, 0x0e, - (decoder->reg[0x0e] & 0x8f)); - break; - - case VIDEO_MODE_SECAM: - saa7111_write(client, 0x08, - (decoder->reg[0x08] & 0x3f) | 0x00); - saa7111_write(client, 0x0e, - (decoder->reg[0x0e] & 0x8f) | 0x50); - break; - - case VIDEO_MODE_AUTO: - saa7111_write(client, 0x08, - (decoder->reg[0x08] & 0x3f) | 0x80); - saa7111_write(client, 0x0e, - (decoder->reg[0x0e] & 0x8f)); - break; - - default: - return -EINVAL; - - } - decoder->norm = *iarg; - break; - } - - case DECODER_SET_INPUT: - { - int *iarg = arg; - - if (*iarg < 0 || *iarg > 7) { - return -EINVAL; - } - - if (decoder->input != *iarg) { - decoder->input = *iarg; - /* select mode */ - saa7111_write(client, 0x02, - (decoder-> - reg[0x02] & 0xf8) | decoder->input); - /* bypass chrominance trap for modes 4..7 */ - saa7111_write(client, 0x09, - (decoder-> - reg[0x09] & 0x7f) | ((decoder-> - input > - 3) ? 0x80 : - 0)); - } - break; - } - - case DECODER_SET_OUTPUT: - { - int *iarg = arg; - - /* not much choice of outputs */ - if (*iarg != 0) { - return -EINVAL; - } - break; - } - - case DECODER_ENABLE_OUTPUT: - { - int *iarg = arg; - int enable = (*iarg != 0); - - if (decoder->enable != enable) { - decoder->enable = enable; - - /* RJ: If output should be disabled (for - * playing videos), we also need a open PLL. - * The input is set to 0 (where no input - * source is connected), although this - * is not necessary. - * - * If output should be enabled, we have to - * reverse the above. - */ - - if (decoder->enable) { - saa7111_write(client, 0x02, - (decoder-> - reg[0x02] & 0xf8) | - decoder->input); - saa7111_write(client, 0x08, - (decoder->reg[0x08] & 0xfb)); - saa7111_write(client, 0x11, - (decoder-> - reg[0x11] & 0xf3) | 0x0c); - } else { - saa7111_write(client, 0x02, - (decoder->reg[0x02] & 0xf8)); - saa7111_write(client, 0x08, - (decoder-> - reg[0x08] & 0xfb) | 0x04); - saa7111_write(client, 0x11, - (decoder->reg[0x11] & 0xf3)); - } - } - break; - } - - case DECODER_SET_PICTURE: - { - struct video_picture *pic = arg; - - /* We want 0 to 255 we get 0-65535 */ - saa7111_write_if_changed(client, 0x0a, pic->brightness >> 8); - /* We want 0 to 127 we get 0-65535 */ - saa7111_write(client, 0x0b, pic->contrast >> 9); - /* We want 0 to 127 we get 0-65535 */ - saa7111_write(client, 0x0c, pic->colour >> 9); - /* We want -128 to 127 we get 0-65535 */ - saa7111_write(client, 0x0d, (pic->hue - 32768) >> 8); - break; - } - - default: - return -EINVAL; - } - - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static unsigned short normal_i2c[] = { 0x48 >> 1, I2C_CLIENT_END }; - -I2C_CLIENT_INSMOD; - -static int saa7111_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int i; - struct saa7111 *decoder; - struct video_decoder_init vdi; - - /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -ENODEV; - - v4l_info(client, "chip found @ 0x%x (%s)\n", - client->addr << 1, client->adapter->name); - - decoder = kzalloc(sizeof(struct saa7111), GFP_KERNEL); - if (decoder == NULL) { - kfree(client); - return -ENOMEM; - } - decoder->norm = VIDEO_MODE_NTSC; - decoder->input = 0; - decoder->enable = 1; - i2c_set_clientdata(client, decoder); - - vdi.data = saa7111_i2c_init; - vdi.len = sizeof(saa7111_i2c_init); - i = saa7111_init_decoder(client, &vdi); - if (i < 0) { - v4l_dbg(1, debug, client, "init status %d\n", i); - } else { - v4l_dbg(1, debug, client, "revision %x\n", - saa7111_read(client, 0x00) >> 4); - } - return 0; -} - -static int saa7111_remove(struct i2c_client *client) -{ - kfree(i2c_get_clientdata(client)); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct i2c_device_id saa7111_id[] = { - { "saa7111_old", 0 }, /* "saa7111" maps to the saa7115 driver */ - { } -}; -MODULE_DEVICE_TABLE(i2c, saa7111_id); - -static struct v4l2_i2c_driver_data v4l2_i2c_data = { - .name = "saa7111", - .driverid = I2C_DRIVERID_SAA7111A, - .command = saa7111_command, - .probe = saa7111_probe, - .remove = saa7111_remove, - .id_table = saa7111_id, -}; |