diff options
Diffstat (limited to 'drivers/staging/media/deprecated/saa7146/saa7146/mxb.c')
| -rw-r--r-- | drivers/staging/media/deprecated/saa7146/saa7146/mxb.c | 873 |
1 files changed, 873 insertions, 0 deletions
diff --git a/drivers/staging/media/deprecated/saa7146/saa7146/mxb.c b/drivers/staging/media/deprecated/saa7146/saa7146/mxb.c new file mode 100644 index 000000000000..3e568f952dae --- /dev/null +++ b/drivers/staging/media/deprecated/saa7146/saa7146/mxb.c @@ -0,0 +1,873 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + 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. + +*/ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#define DEBUG_VARIABLE debug + +#include <media/tuner.h> +#include <media/v4l2-common.h> +#include <media/i2c/saa7115.h> +#include <linux/module.h> +#include <linux/kernel.h> + +#include "../common/saa7146_vv.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, 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 */ + 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 + information 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 information */ + 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)); + strscpy(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 (a->index >= 32 || + !(mxb_inputs[mxb->cur_input].audioset & (1 << a->index))) + return -EINVAL; + + 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; +} + +#ifdef CONFIG_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; + int ret; + + DEB_EE("dev:%p\n", dev); + + ret = saa7146_vv_init(dev, &vv_data); + if (ret) { + ERR("Error in saa7146_vv_init()"); + return ret; + } + + 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 CONFIG_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_VIDEO)) { + 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 const 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 = ARRAY_SIZE(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"); |