| /* |
| mxb - v4l2 driver for the Multimedia eXtension Board |
| |
| Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de> |
| |
| Visit http://www.themm.net/~mihu/linux/saa7146/mxb.html |
| 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #define DEBUG_VARIABLE debug |
| |
| #include <media/drv-intf/saa7146_vv.h> |
| #include <media/tuner.h> |
| #include <media/v4l2-common.h> |
| #include <media/i2c/saa7115.h> |
| #include <linux/module.h> |
| |
| #include "tea6415c.h" |
| #include "tea6420.h" |
| |
| #define MXB_AUDIOS 6 |
| |
| #define I2C_SAA7111A 0x24 |
| #define I2C_TDA9840 0x42 |
| #define I2C_TEA6415C 0x43 |
| #define I2C_TEA6420_1 0x4c |
| #define I2C_TEA6420_2 0x4d |
| #define I2C_TUNER 0x60 |
| |
| #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0) |
| |
| /* global variable */ |
| static int mxb_num; |
| |
| /* 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; |
| 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, 0x3f, 0, |
| V4L2_STD_PAL_BG | V4L2_STD_PAL_I, 0, V4L2_IN_CAP_STD }, |
| { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0, |
| V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, |
| { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0, |
| V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, |
| { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 0x3f, 0, |
| V4L2_STD_ALL, 0, V4L2_IN_CAP_STD }, |
| }; |
| |
| /* 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 }; |
| |
| struct mxb_routing { |
| u32 input; |
| u32 output; |
| }; |
| |
| /* these are the available audio sources, which can switched |
| to the line- and cd-output individually */ |
| static struct v4l2_audio mxb_audios[MXB_AUDIOS] = { |
| { |
| .index = 0, |
| .name = "Tuner", |
| .capability = V4L2_AUDCAP_STEREO, |
| } , { |
| .index = 1, |
| .name = "AUX1", |
| .capability = V4L2_AUDCAP_STEREO, |
| } , { |
| .index = 2, |
| .name = "AUX2", |
| .capability = V4L2_AUDCAP_STEREO, |
| } , { |
| .index = 3, |
| .name = "AUX3", |
| .capability = V4L2_AUDCAP_STEREO, |
| } , { |
| .index = 4, |
| .name = "Radio (X9)", |
| .capability = V4L2_AUDCAP_STEREO, |
| } , { |
| .index = 5, |
| .name = "CD-ROM (X10)", |
| .capability = V4L2_AUDCAP_STEREO, |
| } |
| }; |
| |
| /* These are the necessary input-output-pins for bringing one audio source |
| (see above) to the CD-output. Note that gain is set to 0 in this table. */ |
| static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = { |
| { { 1, 1 }, { 1, 1 } }, /* Tuner */ |
| { { 5, 1 }, { 6, 1 } }, /* AUX 1 */ |
| { { 4, 1 }, { 6, 1 } }, /* AUX 2 */ |
| { { 3, 1 }, { 6, 1 } }, /* AUX 3 */ |
| { { 1, 1 }, { 3, 1 } }, /* Radio */ |
| { { 1, 1 }, { 2, 1 } }, /* CD-Rom */ |
| { { 6, 1 }, { 6, 1 } } /* Mute */ |
| }; |
| |
| /* These are the necessary input-output-pins for bringing one audio source |
| (see above) to the line-output. Note that gain is set to 0 in this table. */ |
| static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = { |
| { { 2, 3 }, { 1, 2 } }, |
| { { 5, 3 }, { 6, 2 } }, |
| { { 4, 3 }, { 6, 2 } }, |
| { { 3, 3 }, { 6, 2 } }, |
| { { 2, 3 }, { 3, 2 } }, |
| { { 2, 3 }, { 2, 2 } }, |
| { { 6, 3 }, { 6, 2 } } /* Mute */ |
| }; |
| |
| struct mxb |
| { |
| struct video_device video_dev; |
| struct video_device vbi_dev; |
| |
| struct i2c_adapter i2c_adapter; |
| |
| struct v4l2_subdev *saa7111a; |
| struct v4l2_subdev *tda9840; |
| struct v4l2_subdev *tea6415c; |
| struct v4l2_subdev *tuner; |
| struct v4l2_subdev *tea6420_1; |
| struct v4l2_subdev *tea6420_2; |
| |
| int cur_mode; /* current audio mode (mono, stereo, ...) */ |
| int cur_input; /* current input */ |
| int cur_audinput; /* current audio input */ |
| int cur_mute; /* current mute status */ |
| struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */ |
| }; |
| |
| #define saa7111a_call(mxb, o, f, args...) \ |
| v4l2_subdev_call(mxb->saa7111a, o, f, ##args) |
| #define tda9840_call(mxb, o, f, args...) \ |
| v4l2_subdev_call(mxb->tda9840, o, f, ##args) |
| #define tea6415c_call(mxb, o, f, args...) \ |
| v4l2_subdev_call(mxb->tea6415c, o, f, ##args) |
| #define tuner_call(mxb, o, f, args...) \ |
| v4l2_subdev_call(mxb->tuner, o, f, ##args) |
| #define call_all(dev, o, f, args...) \ |
| v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args) |
| |
| static void mxb_update_audmode(struct mxb *mxb) |
| { |
| struct v4l2_tuner t = { |
| .audmode = mxb->cur_mode, |
| }; |
| |
| tda9840_call(mxb, tuner, s_tuner, &t); |
| } |
| |
| static inline void tea6420_route(struct mxb *mxb, int idx) |
| { |
| v4l2_subdev_call(mxb->tea6420_1, audio, s_routing, |
| TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0); |
| v4l2_subdev_call(mxb->tea6420_2, audio, s_routing, |
| TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0); |
| v4l2_subdev_call(mxb->tea6420_1, audio, s_routing, |
| TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0); |
| v4l2_subdev_call(mxb->tea6420_2, audio, s_routing, |
| TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0); |
| } |
| |
| static struct saa7146_extension extension; |
| |
| static int mxb_s_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct saa7146_dev *dev = container_of(ctrl->handler, |
| struct saa7146_dev, ctrl_handler); |
| struct mxb *mxb = dev->ext_priv; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_AUDIO_MUTE: |
| mxb->cur_mute = ctrl->val; |
| /* switch the audio-source */ |
| tea6420_route(mxb, ctrl->val ? 6 : |
| video_audio_connect[mxb->cur_input]); |
| break; |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static const struct v4l2_ctrl_ops mxb_ctrl_ops = { |
| .s_ctrl = mxb_s_ctrl, |
| }; |
| |
| static int mxb_probe(struct saa7146_dev *dev) |
| { |
| struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler; |
| struct mxb *mxb = NULL; |
| |
| v4l2_ctrl_new_std(hdl, &mxb_ctrl_ops, |
| V4L2_CID_AUDIO_MUTE, 0, 1, 1, 1); |
| if (hdl->error) |
| return hdl->error; |
| mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL); |
| if (mxb == NULL) { |
| DEB_D("not enough kernel memory\n"); |
| return -ENOMEM; |
| } |
| |
| |
| snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num); |
| |
| 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; |
| } |
| |
| mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, |
| "saa7111", I2C_SAA7111A, NULL); |
| mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, |
| "tea6420", I2C_TEA6420_1, NULL); |
| mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, |
| "tea6420", I2C_TEA6420_2, NULL); |
| mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, |
| "tea6415c", I2C_TEA6415C, NULL); |
| mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, |
| "tda9840", I2C_TDA9840, NULL); |
| mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, |
| "tuner", I2C_TUNER, NULL); |
| |
| /* check if all devices are present */ |
| if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c || |
| !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) { |
| pr_err("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; |
| |
| v4l2_ctrl_handler_setup(hdl); |
| |
| 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 } } |
| }; |
| |
| /* 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 i2c_msg msg; |
| struct tuner_setup tun_setup; |
| v4l2_std_id std = V4L2_STD_PAL_BG; |
| |
| int i = 0, err = 0; |
| |
| /* mute audio on tea6420s */ |
| tea6420_route(mxb, 6); |
| |
| /* select video mode in saa7111a */ |
| saa7111a_call(mxb, video, s_std, std); |
| |
| /* select tuner-output on saa7111a */ |
| i = 0; |
| saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0, |
| SAA7111_FMT_CCIR, 0); |
| |
| /* select a tuner type */ |
| tun_setup.mode_mask = T_ANALOG_TV; |
| tun_setup.addr = ADDR_UNSET; |
| tun_setup.type = TUNER_PHILIPS_PAL; |
| tuner_call(mxb, tuner, s_type_addr, &tun_setup); |
| /* tune in some frequency on tuner */ |
| mxb->cur_freq.tuner = 0; |
| mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV; |
| mxb->cur_freq.frequency = freq; |
| tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq); |
| |
| /* set a default video standard */ |
| /* These two gpio calls set the GPIO pins that control the tda9820 */ |
| saa7146_write(dev, GPIO_CTRL, 0x00404050); |
| saa7111a_call(mxb, core, s_gpio, 1); |
| saa7111a_call(mxb, video, s_std, std); |
| tuner_call(mxb, video, s_std, std); |
| |
| /* switch to tuner-channel on tea6415c */ |
| tea6415c_call(mxb, video, s_routing, 3, 17, 0); |
| |
| /* select tuner-output on multicable on tea6415c */ |
| tea6415c_call(mxb, video, s_routing, 3, 13, 0); |
| |
| /* the rest for mxb */ |
| mxb->cur_input = 0; |
| mxb->cur_audinput = video_audio_connect[mxb->cur_input]; |
| mxb->cur_mute = 1; |
| |
| mxb->cur_mode = V4L2_TUNER_MODE_STEREO; |
| mxb_update_audmode(mxb); |
| |
| /* 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]; |
| |
| err = i2c_transfer(&mxb->i2c_adapter, &msg, 1); |
| if (err == 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]; |
| err = i2c_transfer(&mxb->i2c_adapter, &msg, 1); |
| if (err != 1) { |
| DEB_D("failed to initialize 'sound arena module'\n"); |
| goto err; |
| } |
| } |
| pr_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 int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i) |
| { |
| DEB_EE("VIDIOC_ENUMINPUT %d\n", i->index); |
| if (i->index >= MXB_INPUTS) |
| return -EINVAL; |
| memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input)); |
| return 0; |
| } |
| |
| static int vidioc_g_input(struct file *file, void *fh, unsigned int *i) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| *i = mxb->cur_input; |
| |
| DEB_EE("VIDIOC_G_INPUT %d\n", *i); |
| return 0; |
| } |
| |
| static int vidioc_s_input(struct file *file, void *fh, unsigned int input) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| int err = 0; |
| int i = 0; |
| |
| DEB_EE("VIDIOC_S_INPUT %d\n", input); |
| |
| if (input >= MXB_INPUTS) |
| return -EINVAL; |
| |
| 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 = SAA7115_COMPOSITE0; |
| |
| err = tea6415c_call(mxb, video, s_routing, 3, 17, 0); |
| |
| /* connect tuner-output always to multicable */ |
| if (!err) |
| err = tea6415c_call(mxb, video, s_routing, 3, 13, 0); |
| break; |
| case AUX3_YC: |
| /* nothing to be done here. aux3_yc is |
| directly connected to the saa711a */ |
| i = SAA7115_SVIDEO1; |
| break; |
| case AUX3: |
| /* nothing to be done here. aux3 is |
| directly connected to the saa711a */ |
| i = SAA7115_COMPOSITE1; |
| break; |
| case AUX1: |
| i = SAA7115_COMPOSITE0; |
| err = tea6415c_call(mxb, video, s_routing, 1, 17, 0); |
| break; |
| } |
| |
| if (err) |
| return err; |
| |
| /* switch video in saa7111a */ |
| if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0)) |
| pr_err("VIDIOC_S_INPUT: could not address saa7111a\n"); |
| |
| mxb->cur_audinput = video_audio_connect[input]; |
| /* switch the audio-source only if necessary */ |
| if (0 == mxb->cur_mute) |
| tea6420_route(mxb, mxb->cur_audinput); |
| if (mxb->cur_audinput == 0) |
| mxb_update_audmode(mxb); |
| |
| return 0; |
| } |
| |
| static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| |
| if (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)); |
| strlcpy(t->name, "TV Tuner", sizeof(t->name)); |
| 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->audmode = mxb->cur_mode; |
| return call_all(dev, tuner, g_tuner, t); |
| } |
| |
| static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *t) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| |
| if (t->index) { |
| DEB_D("VIDIOC_S_TUNER: channel %d does not have a tuner attached\n", |
| t->index); |
| return -EINVAL; |
| } |
| |
| mxb->cur_mode = t->audmode; |
| return call_all(dev, tuner, s_tuner, t); |
| } |
| |
| static int vidioc_querystd(struct file *file, void *fh, v4l2_std_id *norm) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| |
| return call_all(dev, video, querystd, norm); |
| } |
| |
| static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| |
| if (f->tuner) |
| return -EINVAL; |
| *f = mxb->cur_freq; |
| |
| DEB_EE("VIDIOC_G_FREQ: freq:0x%08x\n", mxb->cur_freq.frequency); |
| return 0; |
| } |
| |
| static int vidioc_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *f) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| struct saa7146_vv *vv = dev->vv_data; |
| |
| if (f->tuner) |
| return -EINVAL; |
| |
| if (V4L2_TUNER_ANALOG_TV != f->type) |
| return -EINVAL; |
| |
| DEB_EE("VIDIOC_S_FREQUENCY: freq:0x%08x\n", mxb->cur_freq.frequency); |
| |
| /* tune in desired frequency */ |
| tuner_call(mxb, tuner, s_frequency, f); |
| /* let the tuner subdev clamp the frequency to the tuner range */ |
| mxb->cur_freq = *f; |
| tuner_call(mxb, tuner, g_frequency, &mxb->cur_freq); |
| if (mxb->cur_audinput == 0) |
| mxb_update_audmode(mxb); |
| |
| if (mxb->cur_input) |
| return 0; |
| |
| /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */ |
| spin_lock(&dev->slock); |
| vv->vbi_fieldcount = 0; |
| spin_unlock(&dev->slock); |
| |
| return 0; |
| } |
| |
| static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a) |
| { |
| if (a->index >= MXB_AUDIOS) |
| return -EINVAL; |
| *a = mxb_audios[a->index]; |
| return 0; |
| } |
| |
| static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| |
| DEB_EE("VIDIOC_G_AUDIO\n"); |
| *a = mxb_audios[mxb->cur_audinput]; |
| return 0; |
| } |
| |
| static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| |
| DEB_D("VIDIOC_S_AUDIO %d\n", a->index); |
| if (mxb_inputs[mxb->cur_input].audioset & (1 << a->index)) { |
| if (mxb->cur_audinput != a->index) { |
| mxb->cur_audinput = a->index; |
| tea6420_route(mxb, a->index); |
| if (mxb->cur_audinput == 0) |
| mxb_update_audmode(mxb); |
| } |
| return 0; |
| } |
| return -EINVAL; |
| } |
| |
| #ifdef CPTCFG_VIDEO_ADV_DEBUG |
| static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| |
| if (reg->reg > pci_resource_len(dev->pci, 0) - 4) |
| return -EINVAL; |
| reg->val = saa7146_read(dev, reg->reg); |
| reg->size = 4; |
| return 0; |
| } |
| |
| static int vidioc_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg) |
| { |
| struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; |
| |
| if (reg->reg > pci_resource_len(dev->pci, 0) - 4) |
| return -EINVAL; |
| saa7146_write(dev, reg->reg, reg->val); |
| return 0; |
| } |
| #endif |
| |
| 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; |
| |
| DEB_EE("dev:%p\n", dev); |
| |
| saa7146_vv_init(dev, &vv_data); |
| if (mxb_probe(dev)) { |
| saa7146_vv_release(dev); |
| return -1; |
| } |
| mxb = (struct mxb *)dev->ext_priv; |
| |
| vv_data.vid_ops.vidioc_enum_input = vidioc_enum_input; |
| vv_data.vid_ops.vidioc_g_input = vidioc_g_input; |
| vv_data.vid_ops.vidioc_s_input = vidioc_s_input; |
| vv_data.vid_ops.vidioc_querystd = vidioc_querystd; |
| vv_data.vid_ops.vidioc_g_tuner = vidioc_g_tuner; |
| vv_data.vid_ops.vidioc_s_tuner = vidioc_s_tuner; |
| vv_data.vid_ops.vidioc_g_frequency = vidioc_g_frequency; |
| vv_data.vid_ops.vidioc_s_frequency = vidioc_s_frequency; |
| vv_data.vid_ops.vidioc_enumaudio = vidioc_enumaudio; |
| vv_data.vid_ops.vidioc_g_audio = vidioc_g_audio; |
| vv_data.vid_ops.vidioc_s_audio = vidioc_s_audio; |
| #ifdef CPTCFG_VIDEO_ADV_DEBUG |
| vv_data.vid_ops.vidioc_g_register = vidioc_g_register; |
| vv_data.vid_ops.vidioc_s_register = vidioc_s_register; |
| #endif |
| if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { |
| ERR("cannot register capture v4l2 device. skipping.\n"); |
| saa7146_vv_release(dev); |
| return -1; |
| } |
| |
| /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/ |
| if (MXB_BOARD_CAN_DO_VBI(dev)) { |
| if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) { |
| ERR("cannot register vbi v4l2 device. skipping.\n"); |
| } |
| } |
| |
| pr_info("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); |
| |
| /* mute audio on tea6420s */ |
| tea6420_route(mxb, 6); |
| |
| saa7146_unregister_device(&mxb->video_dev,dev); |
| if (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 std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard) |
| { |
| struct mxb *mxb = (struct mxb *)dev->ext_priv; |
| |
| if (V4L2_STD_PAL_I == standard->id) { |
| v4l2_std_id std = V4L2_STD_PAL_I; |
| |
| DEB_D("VIDIOC_S_STD: setting mxb for PAL_I\n"); |
| /* These two gpio calls set the GPIO pins that control the tda9820 */ |
| saa7146_write(dev, GPIO_CTRL, 0x00404050); |
| saa7111a_call(mxb, core, s_gpio, 0); |
| saa7111a_call(mxb, video, s_std, std); |
| if (mxb->cur_input == 0) |
| tuner_call(mxb, video, s_std, std); |
| } else { |
| v4l2_std_id std = V4L2_STD_PAL_BG; |
| |
| if (mxb->cur_input) |
| std = standard->id; |
| DEB_D("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM\n"); |
| /* These two gpio calls set the GPIO pins that control the tda9820 */ |
| saa7146_write(dev, GPIO_CTRL, 0x00404050); |
| saa7111a_call(mxb, core, s_gpio, 1); |
| saa7111a_call(mxb, video, s_std, std); |
| if (mxb->cur_input == 0) |
| tuner_call(mxb, video, s_std, std); |
| } |
| 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 | V4L2_CAP_AUDIO, |
| .stds = &standard[0], |
| .num_stds = sizeof(standard)/sizeof(struct saa7146_standard), |
| .std_callback = &std_callback, |
| }; |
| |
| static struct saa7146_extension extension = { |
| .name = "Multimedia eXtension Board", |
| .flags = SAA7146_USE_I2C_IRQ, |
| |
| .pci_tbl = &pci_tbl[0], |
| .module = THIS_MODULE, |
| |
| .attach = mxb_attach, |
| .detach = mxb_detach, |
| |
| .irq_mask = 0, |
| .irq_func = NULL, |
| }; |
| |
| static int __init mxb_init_module(void) |
| { |
| if (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"); |