diff options
Diffstat (limited to 'drivers/media/video/mxb.c')
| -rw-r--r-- | drivers/media/video/mxb.c | 1035 |
1 files changed, 1035 insertions, 0 deletions
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c new file mode 100644 index 000000000000..70bf1f1fad59 --- /dev/null +++ b/drivers/media/video/mxb.c @@ -0,0 +1,1035 @@ +/* + mxb - v4l2 driver for the Multimedia eXtension Board + + Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de> + + Visit http://www.mihu.de/linux/saa7146/mxb/ + for further details about this card. + + 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. +*/ + +#define DEBUG_VARIABLE debug + +#include <media/saa7146_vv.h> +#include <media/tuner.h> +#include <linux/video_decoder.h> + +#include "mxb.h" +#include "tea6415c.h" +#include "tea6420.h" +#include "tda9840.h" + +#define I2C_SAA7111 0x24 + +#define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0) + +/* global variable */ +static int mxb_num = 0; + +/* initial frequence the tuner will be tuned to. + in verden (lower saxony, germany) 4148 is a + channel called "phoenix" */ +static int freq = 4148; +module_param(freq, int, 0644); +MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup"); + +static int debug = 0; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); + +#define MXB_INPUTS 4 +enum { TUNER, AUX1, AUX3, AUX3_YC }; + +static struct v4l2_input mxb_inputs[MXB_INPUTS] = { + { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 }, + { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 }, + { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 }, + { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 }, +}; + +/* this array holds the information, which port of the saa7146 each + input actually uses. the mxb uses port 0 for every input */ +static struct { + int hps_source; + int hps_sync; +} input_port_selection[MXB_INPUTS] = { + { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, + { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, + { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, + { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, +}; + +/* this array holds the information of the audio source (mxb_audios), + which has to be switched corresponding to the video source (mxb_channels) */ +static int video_audio_connect[MXB_INPUTS] = + { 0, 1, 3, 3 }; + +/* these are the necessary input-output-pins for bringing one audio source +(see above) to the CD-output */ +static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] = + { + {{1,1,0},{1,1,0}}, /* Tuner */ + {{5,1,0},{6,1,0}}, /* AUX 1 */ + {{4,1,0},{6,1,0}}, /* AUX 2 */ + {{3,1,0},{6,1,0}}, /* AUX 3 */ + {{1,1,0},{3,1,0}}, /* Radio */ + {{1,1,0},{2,1,0}}, /* CD-Rom */ + {{6,1,0},{6,1,0}} /* Mute */ + }; + +/* these are the necessary input-output-pins for bringing one audio source +(see above) to the line-output */ +static struct tea6420_multiplex TEA6420_line[MXB_AUDIOS+1][2] = + { + {{2,3,0},{1,2,0}}, + {{5,3,0},{6,2,0}}, + {{4,3,0},{6,2,0}}, + {{3,3,0},{6,2,0}}, + {{2,3,0},{3,2,0}}, + {{2,3,0},{2,2,0}}, + {{6,3,0},{6,2,0}} /* Mute */ + }; + +#define MAXCONTROLS 1 +static struct v4l2_queryctrl mxb_controls[] = { + { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 }, +}; + +static struct saa7146_extension_ioctls ioctls[] = { + { VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE }, + { VIDIOC_G_INPUT, SAA7146_EXCLUSIVE }, + { VIDIOC_S_INPUT, SAA7146_EXCLUSIVE }, + { VIDIOC_QUERYCTRL, SAA7146_BEFORE }, + { VIDIOC_G_CTRL, SAA7146_BEFORE }, + { VIDIOC_S_CTRL, SAA7146_BEFORE }, + { VIDIOC_G_TUNER, SAA7146_EXCLUSIVE }, + { VIDIOC_S_TUNER, SAA7146_EXCLUSIVE }, + { VIDIOC_G_FREQUENCY, SAA7146_EXCLUSIVE }, + { VIDIOC_S_FREQUENCY, SAA7146_EXCLUSIVE }, + { VIDIOC_G_AUDIO, SAA7146_EXCLUSIVE }, + { VIDIOC_S_AUDIO, SAA7146_EXCLUSIVE }, + { MXB_S_AUDIO_CD, SAA7146_EXCLUSIVE }, /* custom control */ + { MXB_S_AUDIO_LINE, SAA7146_EXCLUSIVE }, /* custom control */ + { 0, 0 } +}; + +struct mxb +{ + struct video_device *video_dev; + struct video_device *vbi_dev; + + struct i2c_adapter i2c_adapter; + + struct i2c_client* saa7111a; + struct i2c_client* tda9840; + struct i2c_client* tea6415c; + struct i2c_client* tuner; + struct i2c_client* tea6420_1; + struct i2c_client* tea6420_2; + + int cur_mode; /* current audio mode (mono, stereo, ...) */ + int cur_input; /* current input */ + int cur_freq; /* current frequency the tuner is tuned to */ + int cur_mute; /* current mute status */ +}; + +static struct saa7146_extension extension; + +static int mxb_probe(struct saa7146_dev* dev) +{ + struct mxb* mxb = NULL; + struct i2c_client *client; + struct list_head *item; + int result; + + if ((result = request_module("saa7111")) < 0) { + printk("mxb: saa7111 i2c module not available.\n"); + return -ENODEV; + } + if ((result = request_module("tuner")) < 0) { + printk("mxb: tuner i2c module not available.\n"); + return -ENODEV; + } + if ((result = request_module("tea6420")) < 0) { + printk("mxb: tea6420 i2c module not available.\n"); + return -ENODEV; + } + if ((result = request_module("tea6415c")) < 0) { + printk("mxb: tea6415c i2c module not available.\n"); + return -ENODEV; + } + if ((result = request_module("tda9840")) < 0) { + printk("mxb: tda9840 i2c module not available.\n"); + return -ENODEV; + } + + mxb = (struct mxb*)kmalloc(sizeof(struct mxb), GFP_KERNEL); + if( NULL == mxb ) { + DEB_D(("not enough kernel memory.\n")); + return -ENOMEM; + } + memset(mxb, 0x0, sizeof(struct mxb)); + + mxb->i2c_adapter = (struct i2c_adapter) { + .class = I2C_CLASS_TV_ANALOG, + .name = "mxb", + }; + + saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); + if(i2c_add_adapter(&mxb->i2c_adapter) < 0) { + DEB_S(("cannot register i2c-device. skipping.\n")); + kfree(mxb); + return -EFAULT; + } + + /* loop through all i2c-devices on the bus and look who is there */ + list_for_each(item,&mxb->i2c_adapter.clients) { + client = list_entry(item, struct i2c_client, list); + if( I2C_TEA6420_1 == client->addr ) + mxb->tea6420_1 = client; + if( I2C_TEA6420_2 == client->addr ) + mxb->tea6420_2 = client; + if( I2C_TEA6415C_2 == client->addr ) + mxb->tea6415c = client; + if( I2C_TDA9840 == client->addr ) + mxb->tda9840 = client; + if( I2C_SAA7111 == client->addr ) + mxb->saa7111a = client; + if( 0x60 == client->addr ) + mxb->tuner = client; + } + + /* check if all devices are present */ + if( 0 == mxb->tea6420_1 || 0 == mxb->tea6420_2 || 0 == mxb->tea6415c + || 0 == mxb->tda9840 || 0 == mxb->saa7111a || 0 == mxb->tuner ) { + + printk("mxb: did not find all i2c devices. aborting\n"); + i2c_del_adapter(&mxb->i2c_adapter); + kfree(mxb); + return -ENODEV; + } + + /* all devices are present, probe was successful */ + + /* we store the pointer in our private data field */ + dev->ext_priv = mxb; + + return 0; +} + +/* some init data for the saa7740, the so-called 'sound arena module'. + there are no specs available, so we simply use some init values */ +static struct { + int length; + char data[9]; +} mxb_saa7740_init[] = { + { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } }, + { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } }, + { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } }, + { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } }, + { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } }, + { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } }, + { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } }, + { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } }, + { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } }, + { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } }, + { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } }, + { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } }, + { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } }, + { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } }, + { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } }, + { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } }, + { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } }, + { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } }, + { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } }, + { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } }, + { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } }, + { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } }, + { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } }, + { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } }, + { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } }, + { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } }, + { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } }, + { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } }, + { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } }, + { 3, { 0x48, 0x00, 0x01 } }, + { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } }, + { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } }, + { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } }, + { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } }, + { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } }, + { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } }, + { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } }, + { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } }, + { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } }, + { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } }, + { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } }, + { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } }, + { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } }, + { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } }, + { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } }, + { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } }, + { 3, { 0x80, 0xb3, 0x0a } }, + {-1, { 0} } +}; + +static const unsigned char mxb_saa7111_init[] = { + 0x00, 0x00, /* 00 - ID byte */ + 0x01, 0x00, /* 01 - reserved */ + + /*front end */ + 0x02, 0xd8, /* 02 - FUSE=x, GUDL=x, MODE=x */ + 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, 0xf0, /* 06 - HSB at xx(50Hz) / xx(60Hz) pixels after end of last line */ + 0x07, 0x30, /* 07 - HSS at xx(50Hz) / xx(60Hz) pixels after end of last line */ + 0x08, 0xa8, /* 08 - AUFD=x, FSEL=x, EXFIL=x, VTRC=x, HPLL=x, VNOI=x */ + 0x09, 0x02, /* 09 - BYPS=x, PREF=x, BPSS=x, VBLB=x, UPTCV=x, APER=x */ + 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, 0xd0, /* 10 - OFTS=x, HDEL=x, VRLN=x, YDEL=x */ + 0x11, 0x8c, /* 11 - GPSW=x, CM99=x, FECO=x, COMPO=x, OEYC=1, OEHV=1, VIPB=0, COLO=0 */ + 0x12, 0x80, /* 12 - xx output control 2 */ + 0x13, 0x30, /* 13 - xx output control 3 */ + 0x14, 0x00, /* 14 - reserved */ + 0x15, 0x15, /* 15 - VBI */ + 0x16, 0x04, /* 16 - VBI */ + 0x17, 0x00, /* 17 - VBI */ +}; + +/* bring hardware to a sane state. this has to be done, just in case someone + wants to capture from this device before it has been properly initialized. + the capture engine would badly fail, because no valid signal arrives on the + saa7146, thus leading to timeouts and stuff. */ +static int mxb_init_done(struct saa7146_dev* dev) +{ + struct mxb* mxb = (struct mxb*)dev->ext_priv; + struct video_decoder_init init; + struct i2c_msg msg; + + int i = 0, err = 0; + struct tea6415c_multiplex vm; + + /* select video mode in saa7111a */ + i = VIDEO_MODE_PAL; + /* fixme: currently pointless: gets overwritten by configuration below */ + mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i); + + /* write configuration to saa7111a */ + init.data = mxb_saa7111_init; + init.len = sizeof(mxb_saa7111_init); + mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_INIT, &init); + + /* select tuner-output on saa7111a */ + i = 0; + mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i); + + /* enable vbi bypass */ + i = 1; + mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_VBI_BYPASS, &i); + + /* select a tuner type */ + i = 5; + mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE, &i); + + /* mute audio on tea6420s */ + mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]); + mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[6][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[6][1]); + + /* switch to tuner-channel on tea6415c*/ + vm.out = 17; + vm.in = 3; + mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm); + + /* select tuner-output on multicable on tea6415c*/ + vm.in = 3; + vm.out = 13; + mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm); + + /* tune in some frequency on tuner */ + mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &freq); + + /* the rest for mxb */ + mxb->cur_input = 0; + mxb->cur_freq = freq; + mxb->cur_mute = 1; + + mxb->cur_mode = V4L2_TUNER_MODE_STEREO; + mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode); + + /* check if the saa7740 (aka 'sound arena module') is present + on the mxb. if so, we must initialize it. due to lack of + informations about the saa7740, the values were reverse + engineered. */ + msg.addr = 0x1b; + msg.flags = 0; + msg.len = mxb_saa7740_init[0].length; + msg.buf = &mxb_saa7740_init[0].data[0]; + + if( 1 == (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) { + /* the sound arena module is a pos, that's probably the reason + philips refuses to hand out a datasheet for the saa7740... + it seems to screw up the i2c bus, so we disable fast irq + based i2c transactions here and rely on the slow and safe + polling method ... */ + extension.flags &= ~SAA7146_USE_I2C_IRQ; + for(i = 1;;i++) { + if( -1 == mxb_saa7740_init[i].length ) { + break; + } + + msg.len = mxb_saa7740_init[i].length; + msg.buf = &mxb_saa7740_init[i].data[0]; + if( 1 != (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) { + DEB_D(("failed to initialize 'sound arena module'.\n")); + goto err; + } + } + INFO(("'sound arena module' detected.\n")); + } +err: + /* the rest for saa7146: you should definitely set some basic values + for the input-port handling of the saa7146. */ + + /* ext->saa has been filled by the core driver */ + + /* some stuff is done via variables */ + saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, input_port_selection[mxb->cur_input].hps_sync); + + /* some stuff is done via direct write to the registers */ + + /* this is ugly, but because of the fact that this is completely + hardware dependend, it should be done directly... */ + saa7146_write(dev, DD1_STREAM_B, 0x00000000); + saa7146_write(dev, DD1_INIT, 0x02000200); + saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); + + return 0; +} + +/* interrupt-handler. this gets called when irq_mask is != 0. + it must clear the interrupt-bits in irq_mask it has handled */ +/* +void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask) +{ + struct mxb* mxb = (struct mxb*)dev->ext_priv; +} +*/ + +static struct saa7146_ext_vv vv_data; + +/* this function only gets called when the probing was successful */ +static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info) +{ + struct mxb* mxb = (struct mxb*)dev->ext_priv; + + DEB_EE(("dev:%p\n",dev)); + + /* checking for i2c-devices can be omitted here, because we + already did this in "mxb_vl42_probe" */ + + saa7146_vv_init(dev,&vv_data); + if( 0 != saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { + ERR(("cannot register capture v4l2 device. skipping.\n")); + return -1; + } + + /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/ + if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) { + if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) { + ERR(("cannot register vbi v4l2 device. skipping.\n")); + } + } + + i2c_use_client(mxb->tea6420_1); + i2c_use_client(mxb->tea6420_2); + i2c_use_client(mxb->tea6415c); + i2c_use_client(mxb->tda9840); + i2c_use_client(mxb->saa7111a); + i2c_use_client(mxb->tuner); + + printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num); + + mxb_num++; + mxb_init_done(dev); + return 0; +} + +static int mxb_detach(struct saa7146_dev* dev) +{ + struct mxb* mxb = (struct mxb*)dev->ext_priv; + + DEB_EE(("dev:%p\n",dev)); + + i2c_release_client(mxb->tea6420_1); + i2c_release_client(mxb->tea6420_2); + i2c_release_client(mxb->tea6415c); + i2c_release_client(mxb->tda9840); + i2c_release_client(mxb->saa7111a); + i2c_release_client(mxb->tuner); + + saa7146_unregister_device(&mxb->video_dev,dev); + if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) { + saa7146_unregister_device(&mxb->vbi_dev,dev); + } + saa7146_vv_release(dev); + + mxb_num--; + + i2c_del_adapter(&mxb->i2c_adapter); + kfree(mxb); + + return 0; +} + +static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg) +{ + struct saa7146_dev *dev = fh->dev; + struct mxb* mxb = (struct mxb*)dev->ext_priv; + struct saa7146_vv *vv = dev->vv_data; + + switch(cmd) { + case VIDIOC_ENUMINPUT: + { + struct v4l2_input *i = arg; + + DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index)); + if( i->index < 0 || i->index >= MXB_INPUTS) { + return -EINVAL; + } + memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input)); + + return 0; + } + /* the saa7146 provides some controls (brightness, contrast, saturation) + which gets registered *after* this function. because of this we have + to return with a value != 0 even if the function succeded.. */ + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *qc = arg; + int i; + + for (i = MAXCONTROLS - 1; i >= 0; i--) { + if (mxb_controls[i].id == qc->id) { + *qc = mxb_controls[i]; + DEB_D(("VIDIOC_QUERYCTRL %d.\n",qc->id)); + return 0; + } + } + return -EAGAIN; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control *vc = arg; + int i; + + for (i = MAXCONTROLS - 1; i >= 0; i--) { + if (mxb_controls[i].id == vc->id) { + break; + } + } + + if( i < 0 ) { + return -EAGAIN; + } + + switch (vc->id ) { + case V4L2_CID_AUDIO_MUTE: { + vc->value = mxb->cur_mute; + DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value)); + return 0; + } + } + + DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value)); + return 0; + } + + case VIDIOC_S_CTRL: + { + struct v4l2_control *vc = arg; + int i = 0; + + for (i = MAXCONTROLS - 1; i >= 0; i--) { + if (mxb_controls[i].id == vc->id) { + break; + } + } + + if( i < 0 ) { + return -EAGAIN; + } + + switch (vc->id ) { + case V4L2_CID_AUDIO_MUTE: { + mxb->cur_mute = vc->value; + if( 0 == vc->value ) { + /* switch the audio-source */ + mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][1]); + } else { + mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]); + } + DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n",vc->value)); + break; + } + } + return 0; + } + case VIDIOC_G_INPUT: + { + int *input = (int *)arg; + *input = mxb->cur_input; + + DEB_EE(("VIDIOC_G_INPUT %d.\n",*input)); + return 0; + } + case VIDIOC_S_INPUT: + { + int input = *(int *)arg; + struct tea6415c_multiplex vm; + int i = 0; + + DEB_EE(("VIDIOC_S_INPUT %d.\n",input)); + + if (input < 0 || input >= MXB_INPUTS) { + return -EINVAL; + } + + /* fixme: locke das setzen des inputs mit hilfe des mutexes + down(&dev->lock); + video_mux(dev,*i); + up(&dev->lock); + */ + + /* fixme: check if streaming capture + if ( 0 != dev->streaming ) { + DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n")); + return -EPERM; + } + */ + + mxb->cur_input = input; + + saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync); + + /* prepare switching of tea6415c and saa7111a; + have a look at the 'background'-file for further informations */ + switch( input ) { + + case TUNER: + { + i = 0; + vm.in = 3; + vm.out = 17; + + if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) { + printk("VIDIOC_S_INPUT: could not address tea6415c #1\n"); + return -EFAULT; + } + /* connect tuner-output always to multicable */ + vm.in = 3; + vm.out = 13; + break; + } + case AUX3_YC: + { + /* nothing to be done here. aux3_yc is + directly connected to the saa711a */ + i = 5; + break; + } + case AUX3: + { + /* nothing to be done here. aux3 is + directly connected to the saa711a */ + i = 1; + break; + } + case AUX1: + { + i = 0; + vm.in = 1; + vm.out = 17; + break; + } + } + + /* switch video in tea6415c only if necessary */ + switch( input ) { + case TUNER: + case AUX1: + { + if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) { + printk("VIDIOC_S_INPUT: could not address tea6415c #3\n"); + return -EFAULT; + } + break; + } + default: + { + break; + } + } + + /* switch video in saa7111a */ + if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) { + printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n"); + } + + /* switch the audio-source only if necessary */ + if( 0 == mxb->cur_mute ) { + mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][1]); + } + + return 0; + } + case VIDIOC_G_TUNER: + { + struct v4l2_tuner *t = arg; + int byte = 0; + + if( 0 != t->index ) { + DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index)); + return -EINVAL; + } + + DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index)); + + memset(t,0,sizeof(*t)); + strcpy(t->name, "Television"); + + t->type = V4L2_TUNER_ANALOG_TV; + t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; + t->rangelow = 772; /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */ + t->rangehigh = 13684; /* 855.25 MHz / 62.5 kHz = 13684 */ + /* FIXME: add the real signal strength here */ + t->signal = 0xffff; + t->afc = 0; + + mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte); + t->audmode = mxb->cur_mode; + + if( byte < 0 ) { + t->rxsubchans = V4L2_TUNER_SUB_MONO; + } else { + switch(byte) { + case TDA9840_MONO_DETECT: { + t->rxsubchans = V4L2_TUNER_SUB_MONO; + DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n")); + break; + } + case TDA9840_DUAL_DETECT: { + t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; + DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_LANG1.\n")); + break; + } + case TDA9840_STEREO_DETECT: { + t->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO; + DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_STEREO.\n")); + break; + } + default: { /* TDA9840_INCORRECT_DETECT */ + t->rxsubchans = V4L2_TUNER_MODE_MONO; + DEB_D(("VIDIOC_G_TUNER: TDA9840_INCORRECT_DETECT => V4L2_TUNER_MODE_MONO\n")); + break; + } + } + } + + return 0; + } + case VIDIOC_S_TUNER: + { + struct v4l2_tuner *t = arg; + int result = 0; + int byte = 0; + + if( 0 != t->index ) { + DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index)); + return -EINVAL; + } + + switch(t->audmode) { + case V4L2_TUNER_MODE_STEREO: { + mxb->cur_mode = V4L2_TUNER_MODE_STEREO; + byte = TDA9840_SET_STEREO; + DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n")); + break; + } + case V4L2_TUNER_MODE_LANG1: { + mxb->cur_mode = V4L2_TUNER_MODE_LANG1; + byte = TDA9840_SET_LANG1; + DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n")); + break; + } + case V4L2_TUNER_MODE_LANG2: { + mxb->cur_mode = V4L2_TUNER_MODE_LANG2; + byte = TDA9840_SET_LANG2; + DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n")); + break; + } + default: { /* case V4L2_TUNER_MODE_MONO: {*/ + mxb->cur_mode = V4L2_TUNER_MODE_MONO; + byte = TDA9840_SET_MONO; + DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n")); + break; + } + } + + if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) { + printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte); + } + + return 0; + } + case VIDIOC_G_FREQUENCY: + { + struct v4l2_frequency *f = arg; + + if(0 != mxb->cur_input) { + DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input)); + return -EINVAL; + } + + memset(f,0,sizeof(*f)); + f->type = V4L2_TUNER_ANALOG_TV; + f->frequency = mxb->cur_freq; + + DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq)); + return 0; + } + case VIDIOC_S_FREQUENCY: + { + struct v4l2_frequency *f = arg; + int t_locked = 0; + int v_byte = 0; + + if (0 != f->tuner) + return -EINVAL; + + if (V4L2_TUNER_ANALOG_TV != f->type) + return -EINVAL; + + if(0 != mxb->cur_input) { + DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input)); + return -EINVAL; + } + + DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n",f->frequency)); + + mxb->cur_freq = f->frequency; + + /* tune in desired frequency */ + mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &mxb->cur_freq); + + /* check if pll of tuner & saa7111a is locked */ +// mxb->tuner->driver->command(mxb->tuner,TUNER_IS_LOCKED, &t_locked); + mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_GET_STATUS, &v_byte); + + /* not locked -- anything to do here ? */ + if( 0 == t_locked || 0 == (v_byte & DECODER_STATUS_GOOD)) { + } + + /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */ + spin_lock(&dev->slock); + vv->vbi_fieldcount = 0; + spin_unlock(&dev->slock); + + return 0; + } + case MXB_S_AUDIO_CD: + { + int i = *(int*)arg; + + if( i < 0 || i >= MXB_AUDIOS ) { + DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i)); + return -EINVAL; + } + + DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i)); + + mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[i][1]); + + return 0; + } + case MXB_S_AUDIO_LINE: + { + int i = *(int*)arg; + + if( i < 0 || i >= MXB_AUDIOS ) { + DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i)); + return -EINVAL; + } + + DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i)); + mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]); + mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]); + + return 0; + } + case VIDIOC_G_AUDIO: + { + struct v4l2_audio *a = arg; + + if( a->index < 0 || a->index > MXB_INPUTS ) { + DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index)); + return -EINVAL; + } + + DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index)); + memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio)); + + return 0; + } + case VIDIOC_S_AUDIO: + { + struct v4l2_audio *a = arg; + DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index)); + return 0; + } + default: +/* + DEB2(printk("does not handle this ioctl.\n")); +*/ + return -ENOIOCTLCMD; + } + return 0; +} + +static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std) +{ + struct mxb* mxb = (struct mxb*)dev->ext_priv; + int zero = 0; + int one = 1; + + if(V4L2_STD_PAL_I == std->id ) { + DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n")); + /* set the 7146 gpio register -- I don't know what this does exactly */ + saa7146_write(dev, GPIO_CTRL, 0x00404050); + /* unset the 7111 gpio register -- I don't know what this does exactly */ + mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &zero); + } else { + DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n")); + /* set the 7146 gpio register -- I don't know what this does exactly */ + saa7146_write(dev, GPIO_CTRL, 0x00404050); + /* set the 7111 gpio register -- I don't know what this does exactly */ + mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_GPIO, &one); + } + return 0; +} + +static struct saa7146_standard standard[] = { + { + .name = "PAL-BG", .id = V4L2_STD_PAL_BG, + .v_offset = 0x17, .v_field = 288, + .h_offset = 0x14, .h_pixels = 680, + .v_max_out = 576, .h_max_out = 768, + }, { + .name = "PAL-I", .id = V4L2_STD_PAL_I, + .v_offset = 0x17, .v_field = 288, + .h_offset = 0x14, .h_pixels = 680, + .v_max_out = 576, .h_max_out = 768, + }, { + .name = "NTSC", .id = V4L2_STD_NTSC, + .v_offset = 0x16, .v_field = 240, + .h_offset = 0x06, .h_pixels = 708, + .v_max_out = 480, .h_max_out = 640, + }, { + .name = "SECAM", .id = V4L2_STD_SECAM, + .v_offset = 0x14, .v_field = 288, + .h_offset = 0x14, .h_pixels = 720, + .v_max_out = 576, .h_max_out = 768, + } +}; + +static struct saa7146_pci_extension_data mxb = { + .ext_priv = "Multimedia eXtension Board", + .ext = &extension, +}; + +static struct pci_device_id pci_tbl[] = { + { + .vendor = PCI_VENDOR_ID_PHILIPS, + .device = PCI_DEVICE_ID_PHILIPS_SAA7146, + .subvendor = 0x0000, + .subdevice = 0x0000, + .driver_data = (unsigned long)&mxb, + }, { + .vendor = 0, + } +}; + +MODULE_DEVICE_TABLE(pci, pci_tbl); + +static struct saa7146_ext_vv vv_data = { + .inputs = MXB_INPUTS, + .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE, + .stds = &standard[0], + .num_stds = sizeof(standard)/sizeof(struct saa7146_standard), + .std_callback = &std_callback, + .ioctls = &ioctls[0], + .ioctl = mxb_ioctl, +}; + +static struct saa7146_extension extension = { + .name = MXB_IDENTIFIER, + .flags = SAA7146_USE_I2C_IRQ, + + .pci_tbl = &pci_tbl[0], + .module = THIS_MODULE, + + .probe = mxb_probe, + .attach = mxb_attach, + .detach = mxb_detach, + + .irq_mask = 0, + .irq_func = NULL, +}; + +static int __init mxb_init_module(void) +{ + if( 0 != saa7146_register_extension(&extension)) { + DEB_S(("failed to register extension.\n")); + return -ENODEV; + } + + return 0; +} + +static void __exit mxb_cleanup_module(void) +{ + saa7146_unregister_extension(&extension); +} + +module_init(mxb_init_module); +module_exit(mxb_cleanup_module); + +MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'"); +MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); +MODULE_LICENSE("GPL"); |