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path: root/drivers/media/video/tuner-core.c
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Diffstat (limited to 'drivers/media/video/tuner-core.c')
-rw-r--r--drivers/media/video/tuner-core.c709
1 files changed, 0 insertions, 709 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
deleted file mode 100644
index b25a9c08ac0..00000000000
--- a/drivers/media/video/tuner-core.c
+++ /dev/null
@@ -1,709 +0,0 @@
-/*
- * $Id: tuner-core.c,v 1.58 2005/07/14 03:06:43 mchehab Exp $
- *
- * i2c tv tuner chip device driver
- * core core, i.e. kernel interfaces, registering and so on
- */
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/poll.h>
-#include <linux/i2c.h>
-#include <linux/types.h>
-#include <linux/videodev.h>
-#include <linux/init.h>
-
-#include <media/tuner.h>
-#include <media/audiochip.h>
-
-#define UNSET (-1U)
-
-/* standard i2c insmod options */
-static unsigned short normal_i2c[] = {
- 0x4b, /* tda8290 */
- 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
- 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
- I2C_CLIENT_END
-};
-
-I2C_CLIENT_INSMOD;
-
-/* insmod options used at init time => read/only */
-static unsigned int addr = 0;
-module_param(addr, int, 0444);
-
-static unsigned int no_autodetect = 0;
-module_param(no_autodetect, int, 0444);
-
-/* insmod options used at runtime => read/write */
-unsigned int tuner_debug = 0;
-module_param(tuner_debug, int, 0644);
-
-static unsigned int tv_range[2] = { 44, 958 };
-static unsigned int radio_range[2] = { 65, 108 };
-
-module_param_array(tv_range, int, NULL, 0644);
-module_param_array(radio_range, int, NULL, 0644);
-
-MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
-MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
-MODULE_LICENSE("GPL");
-
-static struct i2c_driver driver;
-static struct i2c_client client_template;
-
-/* ---------------------------------------------------------------------- */
-
-/* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
-static void set_tv_freq(struct i2c_client *c, unsigned int freq)
-{
- struct tuner *t = i2c_get_clientdata(c);
-
- if (t->type == UNSET) {
- tuner_warn ("tuner type not set\n");
- return;
- }
- if (NULL == t->tv_freq) {
- tuner_warn ("Tuner has no way to set tv freq\n");
- return;
- }
- if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) {
- tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n",
- freq / 16, freq % 16 * 100 / 16, tv_range[0],
- tv_range[1]);
- }
- t->tv_freq(c, freq);
-}
-
-static void set_radio_freq(struct i2c_client *c, unsigned int freq)
-{
- struct tuner *t = i2c_get_clientdata(c);
-
- if (t->type == UNSET) {
- tuner_warn ("tuner type not set\n");
- return;
- }
- if (NULL == t->radio_freq) {
- tuner_warn ("tuner has no way to set radio frequency\n");
- return;
- }
- if (freq <= radio_range[0] * 16000 || freq >= radio_range[1] * 16000) {
- tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n",
- freq / 16000, freq % 16000 * 100 / 16000,
- radio_range[0], radio_range[1]);
- }
-
- t->radio_freq(c, freq);
- return;
-}
-
-static void set_freq(struct i2c_client *c, unsigned long freq)
-{
- struct tuner *t = i2c_get_clientdata(c);
-
- switch (t->mode) {
- case V4L2_TUNER_RADIO:
- tuner_dbg("radio freq set to %lu.%02lu\n",
- freq / 16000, freq % 16000 * 100 / 16000);
- set_radio_freq(c, freq);
- break;
- case V4L2_TUNER_ANALOG_TV:
- case V4L2_TUNER_DIGITAL_TV:
- tuner_dbg("tv freq set to %lu.%02lu\n",
- freq / 16, freq % 16 * 100 / 16);
- set_tv_freq(c, freq);
- break;
- }
- t->freq = freq;
-}
-
-static void set_type(struct i2c_client *c, unsigned int type,
- unsigned int new_mode_mask)
-{
- struct tuner *t = i2c_get_clientdata(c);
- unsigned char buffer[4];
-
- if (type == UNSET || type == TUNER_ABSENT) {
- tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr);
- return;
- }
-
- if (type >= tuner_count) {
- tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count);
- return;
- }
-
- /* This code detects calls by card attach_inform */
- if (NULL == t->i2c.dev.driver) {
- tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr);
-
- t->type=type;
- return;
- }
-
- t->type = type;
-
- switch (t->type) {
- case TUNER_MT2032:
- microtune_init(c);
- break;
- case TUNER_PHILIPS_TDA8290:
- tda8290_init(c);
- break;
- case TUNER_TEA5767:
- if (tea5767_tuner_init(c) == EINVAL) {
- t->type = TUNER_ABSENT;
- t->mode_mask = T_UNINITIALIZED;
- return;
- }
- t->mode_mask = T_RADIO;
- break;
- case TUNER_PHILIPS_FMD1216ME_MK3:
- buffer[0] = 0x0b;
- buffer[1] = 0xdc;
- buffer[2] = 0x9c;
- buffer[3] = 0x60;
- i2c_master_send(c, buffer, 4);
- mdelay(1);
- buffer[2] = 0x86;
- buffer[3] = 0x54;
- i2c_master_send(c, buffer, 4);
- default_tuner_init(c);
- break;
- default:
- default_tuner_init(c);
- break;
- }
-
- if (t->mode_mask == T_UNINITIALIZED)
- t->mode_mask = new_mode_mask;
-
- set_freq(c, t->freq);
- tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
- c->adapter->name, c->driver->name, c->addr << 1, type,
- t->mode_mask);
-}
-
-/*
- * This function apply tuner config to tuner specified
- * by tun_setup structure. I addr is unset, then admin status
- * and tun addr status is more precise then current status,
- * it's applied. Otherwise status and type are applied only to
- * tuner with exactly the same addr.
-*/
-
-static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup)
-{
- struct tuner *t = i2c_get_clientdata(c);
-
- if (tun_setup->addr == ADDR_UNSET) {
- if (t->mode_mask & tun_setup->mode_mask)
- set_type(c, tun_setup->type, tun_setup->mode_mask);
- } else if (tun_setup->addr == c->addr) {
- set_type(c, tun_setup->type, tun_setup->mode_mask);
- }
-}
-
-static inline int check_mode(struct tuner *t, char *cmd)
-{
- if (1 << t->mode & t->mode_mask) {
- switch (t->mode) {
- case V4L2_TUNER_RADIO:
- tuner_dbg("Cmd %s accepted for radio\n", cmd);
- break;
- case V4L2_TUNER_ANALOG_TV:
- tuner_dbg("Cmd %s accepted for analog TV\n", cmd);
- break;
- case V4L2_TUNER_DIGITAL_TV:
- tuner_dbg("Cmd %s accepted for digital TV\n", cmd);
- break;
- }
- return 0;
- }
- return EINVAL;
-}
-
-static char pal[] = "-";
-module_param_string(pal, pal, sizeof(pal), 0644);
-static char secam[] = "-";
-module_param_string(secam, secam, sizeof(secam), 0644);
-
-/* get more precise norm info from insmod option */
-static int tuner_fixup_std(struct tuner *t)
-{
- if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
- switch (pal[0]) {
- case 'b':
- case 'B':
- case 'g':
- case 'G':
- tuner_dbg ("insmod fixup: PAL => PAL-BG\n");
- t->std = V4L2_STD_PAL_BG;
- break;
- case 'i':
- case 'I':
- tuner_dbg ("insmod fixup: PAL => PAL-I\n");
- t->std = V4L2_STD_PAL_I;
- break;
- case 'd':
- case 'D':
- case 'k':
- case 'K':
- tuner_dbg ("insmod fixup: PAL => PAL-DK\n");
- t->std = V4L2_STD_PAL_DK;
- break;
- case 'M':
- case 'm':
- tuner_dbg ("insmod fixup: PAL => PAL-M\n");
- t->std = V4L2_STD_PAL_M;
- break;
- case 'N':
- case 'n':
- tuner_dbg ("insmod fixup: PAL => PAL-N\n");
- t->std = V4L2_STD_PAL_N;
- break;
- }
- }
- if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
- switch (secam[0]) {
- case 'd':
- case 'D':
- case 'k':
- case 'K':
- tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n");
- t->std = V4L2_STD_SECAM_DK;
- break;
- case 'l':
- case 'L':
- tuner_dbg ("insmod fixup: SECAM => SECAM-L\n");
- t->std = V4L2_STD_SECAM_L;
- break;
- }
- }
-
- return 0;
-}
-
-/* ---------------------------------------------------------------------- */
-
-/* static var Used only in tuner_attach and tuner_probe */
-static unsigned default_mode_mask;
-
-/* During client attach, set_type is called by adapter's attach_inform callback.
- set_type must then be completed by tuner_attach.
- */
-static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
-{
- struct tuner *t;
-
- client_template.adapter = adap;
- client_template.addr = addr;
-
- t = kmalloc(sizeof(struct tuner), GFP_KERNEL);
- if (NULL == t)
- return -ENOMEM;
- memset(t, 0, sizeof(struct tuner));
- memcpy(&t->i2c, &client_template, sizeof(struct i2c_client));
- i2c_set_clientdata(&t->i2c, t);
- t->type = UNSET;
- t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */
- t->audmode = V4L2_TUNER_MODE_STEREO;
- t->mode_mask = T_UNINITIALIZED;
-
-
- tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name);
-
- /* TEA5767 autodetection code - only for addr = 0xc0 */
- if (!no_autodetect) {
- if (addr == 0x60) {
- if (tea5767_autodetection(&t->i2c) != EINVAL) {
- t->type = TUNER_TEA5767;
- t->mode_mask = T_RADIO;
- t->mode = T_STANDBY;
- t->freq = 87.5 * 16; /* Sets freq to FM range */
- default_mode_mask &= ~T_RADIO;
-
- i2c_attach_client (&t->i2c);
- set_type(&t->i2c,t->type, t->mode_mask);
- return 0;
- }
- }
- }
-
- /* Initializes only the first adapter found */
- if (default_mode_mask != T_UNINITIALIZED) {
- tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask);
- t->mode_mask = default_mode_mask;
- t->freq = 400 * 16; /* Sets freq to VHF High */
- default_mode_mask = T_UNINITIALIZED;
- }
-
- /* Should be just before return */
- i2c_attach_client (&t->i2c);
- set_type (&t->i2c,t->type, t->mode_mask);
- return 0;
-}
-
-static int tuner_probe(struct i2c_adapter *adap)
-{
- if (0 != addr) {
- normal_i2c[0] = addr;
- normal_i2c[1] = I2C_CLIENT_END;
- }
-
- default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
-
- if (adap->class & I2C_CLASS_TV_ANALOG)
- return i2c_probe(adap, &addr_data, tuner_attach);
- return 0;
-}
-
-static int tuner_detach(struct i2c_client *client)
-{
- struct tuner *t = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(&t->i2c);
- if (err) {
- tuner_warn
- ("Client deregistration failed, client not detached.\n");
- return err;
- }
-
- kfree(t);
- return 0;
-}
-
-/*
- * Switch tuner to other mode. If tuner support both tv and radio,
- * set another frequency to some value (This is needed for some pal
- * tuners to avoid locking). Otherwise, just put second tuner in
- * standby mode.
- */
-
-static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
-{
- if (mode != t->mode) {
-
- t->mode = mode;
- if (check_mode(t, cmd) == EINVAL) {
- t->mode = T_STANDBY;
- if (V4L2_TUNER_RADIO == mode) {
- set_tv_freq(client, 400 * 16);
- } else {
- set_radio_freq(client, 87.5 * 16000);
- }
- return EINVAL;
- }
- }
- return 0;
-}
-
-#define switch_v4l2() if (!t->using_v4l2) \
- tuner_dbg("switching to v4l2\n"); \
- t->using_v4l2 = 1;
-
-static inline int check_v4l2(struct tuner *t)
-{
- if (t->using_v4l2) {
- tuner_dbg ("ignore v4l1 call\n");
- return EINVAL;
- }
- return 0;
-}
-
-static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
-{
- struct tuner *t = i2c_get_clientdata(client);
- unsigned int *iarg = (int *)arg;
-
- switch (cmd) {
- /* --- configuration --- */
- case TUNER_SET_TYPE_ADDR:
- tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x\n",
- ((struct tuner_setup *)arg)->type,
- ((struct tuner_setup *)arg)->addr,
- ((struct tuner_setup *)arg)->mode_mask);
-
- set_addr(client, (struct tuner_setup *)arg);
- break;
- case AUDC_SET_RADIO:
- set_mode(client,t,V4L2_TUNER_RADIO, "AUDC_SET_RADIO");
- break;
- case AUDC_CONFIG_PINNACLE:
- if (check_mode(t, "AUDC_CONFIG_PINNACLE") == EINVAL)
- return 0;
- switch (*iarg) {
- case 2:
- tuner_dbg("pinnacle pal\n");
- t->radio_if2 = 33300 * 1000;
- break;
- case 3:
- tuner_dbg("pinnacle ntsc\n");
- t->radio_if2 = 41300 * 1000;
- break;
- }
- break;
- case TDA9887_SET_CONFIG:
- break;
- /* --- v4l ioctls --- */
- /* take care: bttv does userspace copying, we'll get a
- kernel pointer here... */
- case VIDIOCSCHAN:
- {
- static const v4l2_std_id map[] = {
- [VIDEO_MODE_PAL] = V4L2_STD_PAL,
- [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M,
- [VIDEO_MODE_SECAM] = V4L2_STD_SECAM,
- [4 /* bttv */ ] = V4L2_STD_PAL_M,
- [5 /* bttv */ ] = V4L2_STD_PAL_N,
- [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
- };
- struct video_channel *vc = arg;
-
- if (check_v4l2(t) == EINVAL)
- return 0;
-
- if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL)
- return 0;
-
- if (vc->norm < ARRAY_SIZE(map))
- t->std = map[vc->norm];
- tuner_fixup_std(t);
- if (t->freq)
- set_tv_freq(client, t->freq);
- return 0;
- }
- case VIDIOCSFREQ:
- {
- unsigned long *v = arg;
-
- if (check_mode(t, "VIDIOCSFREQ") == EINVAL)
- return 0;
- if (check_v4l2(t) == EINVAL)
- return 0;
-
- set_freq(client, *v);
- return 0;
- }
- case VIDIOCGTUNER:
- {
- struct video_tuner *vt = arg;
-
- if (check_mode(t, "VIDIOCGTUNER") == EINVAL)
- return 0;
- if (check_v4l2(t) == EINVAL)
- return 0;
-
- if (V4L2_TUNER_RADIO == t->mode) {
- if (t->has_signal)
- vt->signal = t->has_signal(client);
- if (t->is_stereo) {
- if (t->is_stereo(client))
- vt->flags |=
- VIDEO_TUNER_STEREO_ON;
- else
- vt->flags &=
- ~VIDEO_TUNER_STEREO_ON;
- }
- vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */
-
- vt->rangelow = radio_range[0] * 16000;
- vt->rangehigh = radio_range[1] * 16000;
-
- } else {
- vt->rangelow = tv_range[0] * 16;
- vt->rangehigh = tv_range[1] * 16;
- }
-
- return 0;
- }
- case VIDIOCGAUDIO:
- {
- struct video_audio *va = arg;
-
- if (check_mode(t, "VIDIOCGAUDIO") == EINVAL)
- return 0;
- if (check_v4l2(t) == EINVAL)
- return 0;
-
- if (V4L2_TUNER_RADIO == t->mode && t->is_stereo)
- va->mode = t->is_stereo(client)
- ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
- return 0;
- }
-
- case VIDIOC_S_STD:
- {
- v4l2_std_id *id = arg;
-
- if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD")
- == EINVAL)
- return 0;
-
- switch_v4l2();
-
- t->std = *id;
- tuner_fixup_std(t);
- if (t->freq)
- set_freq(client, t->freq);
- break;
- }
- case VIDIOC_S_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
-
- t->freq = f->frequency;
- switch_v4l2();
- if (V4L2_TUNER_RADIO == f->type &&
- V4L2_TUNER_RADIO != t->mode) {
- if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY")
- == EINVAL)
- return 0;
- }
- set_freq(client,t->freq);
-
- break;
- }
- case VIDIOC_G_FREQUENCY:
- {
- struct v4l2_frequency *f = arg;
-
- if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL)
- return 0;
- switch_v4l2();
- f->type = t->mode;
- f->frequency = t->freq;
- break;
- }
- case VIDIOC_G_TUNER:
- {
- struct v4l2_tuner *tuner = arg;
-
- if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
- return 0;
- switch_v4l2();
-
- if (V4L2_TUNER_RADIO == t->mode) {
-
- if (t->has_signal)
- tuner->signal = t->has_signal(client);
-
- if (t->is_stereo) {
- if (t->is_stereo(client)) {
- tuner->rxsubchans =
- V4L2_TUNER_SUB_STEREO |
- V4L2_TUNER_SUB_MONO;
- } else {
- tuner->rxsubchans =
- V4L2_TUNER_SUB_MONO;
- }
- }
-
- tuner->capability |=
- V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
-
- tuner->audmode = t->audmode;
-
- tuner->rangelow = radio_range[0] * 16000;
- tuner->rangehigh = radio_range[1] * 16000;
- } else {
- tuner->rangelow = tv_range[0] * 16;
- tuner->rangehigh = tv_range[1] * 16;
- }
- break;
- }
- case VIDIOC_S_TUNER:
- {
- struct v4l2_tuner *tuner = arg;
-
- if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL)
- return 0;
-
- switch_v4l2();
-
- if (V4L2_TUNER_RADIO == t->mode) {
- t->audmode = tuner->audmode;
- set_radio_freq(client, t->freq);
- }
- break;
- }
- default:
- tuner_dbg("Unimplemented IOCTL 0x%08x(dir=%d,tp=0x%02x,nr=%d,sz=%d)\n",
- cmd, _IOC_DIR(cmd), _IOC_TYPE(cmd),
- _IOC_NR(cmd), _IOC_SIZE(cmd));
- break;
- }
-
- return 0;
-}
-
-static int tuner_suspend(struct device *dev, u32 state, u32 level)
-{
- struct i2c_client *c = container_of (dev, struct i2c_client, dev);
- struct tuner *t = i2c_get_clientdata (c);
-
- tuner_dbg ("suspend\n");
- /* FIXME: power down ??? */
- return 0;
-}
-
-static int tuner_resume(struct device *dev, u32 level)
-{
- struct i2c_client *c = container_of (dev, struct i2c_client, dev);
- struct tuner *t = i2c_get_clientdata (c);
-
- tuner_dbg ("resume\n");
- if (t->freq)
- set_freq(c, t->freq);
- return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static struct i2c_driver driver = {
- .owner = THIS_MODULE,
- .name = "tuner",
- .id = I2C_DRIVERID_TUNER,
- .flags = I2C_DF_NOTIFY,
- .attach_adapter = tuner_probe,
- .detach_client = tuner_detach,
- .command = tuner_command,
- .driver = {
- .suspend = tuner_suspend,
- .resume = tuner_resume,
- },
-};
-static struct i2c_client client_template = {
- I2C_DEVNAME("(tuner unset)"),
- .flags = I2C_CLIENT_ALLOW_USE,
- .driver = &driver,
-};
-
-static int __init tuner_init_module(void)
-{
- return i2c_add_driver(&driver);
-}
-
-static void __exit tuner_cleanup_module(void)
-{
- i2c_del_driver(&driver);
-}
-
-module_init(tuner_init_module);
-module_exit(tuner_cleanup_module);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 07:09:12 +0000