--- /dev/null
+/*
+ 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/saa7146_vv.h>
+#include <media/tuner.h>
+#include <media/v4l2-common.h>
+#include <media/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 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;
+
+ 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 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_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");
Code Review / kvmfornfv.git / blobdiff