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-rw-r--r--v4l_experimental/xc3028/tuner-core.c946
1 files changed, 946 insertions, 0 deletions
diff --git a/v4l_experimental/xc3028/tuner-core.c b/v4l_experimental/xc3028/tuner-core.c
new file mode 100644
index 000000000..54f3b4ae3
--- /dev/null
+++ b/v4l_experimental/xc3028/tuner-core.c
@@ -0,0 +1,946 @@
+/*
+ * $Id: tuner-core.c,v 1.1 2006/01/25 09:48:37 mrechberger 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 "compat.h"
+#include <linux/videodev.h>
+#include <linux/init.h>
+
+#include <media/tuner.h>
+#include <media/v4l2-common.h>
+#include <media/audiochip.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#include "i2c-compat.h"
+#endif
+
+#define UNSET (-1U)
+
+/* standard i2c insmod options */
+static unsigned short normal_i2c[] = {
+ 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
+ 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+ I2C_CLIENT_END
+};
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
+static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
+#endif
+I2C_CLIENT_INSMOD;
+
+/* insmod options used at init time => read/only */
+static unsigned int addr = 0;
+static unsigned int no_autodetect = 0;
+static unsigned int show_i2c = 0;
+
+/* insmod options used at runtime => read/write */
+static unsigned int tuner_debug_old = 0;
+int tuner_debug = 0;
+
+static unsigned int tv_range[2] = { 44, 958 };
+static unsigned int radio_range[2] = { 65, 108 };
+
+static char pal[] = "--";
+static char secam[] = "--";
+static char ntsc[] = "-";
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+MODULE_PARM(pal,"s");
+MODULE_PARM(secam,"s");
+MODULE_PARM(ntsc,"s");
+MODULE_PARM(tv_range,"2i");
+MODULE_PARM(radio_range,"2i");
+MODULE_PARM(no_autodetect, "i");
+MODULE_PARM(tuner_debug, "i");
+MODULE_PARM(tuner_debug_old, "i");
+MODULE_PARM(addr, "i");
+MODULE_PARM(show_i2c, "i");
+#else
+module_param(addr, int, 0444);
+module_param(no_autodetect, int, 0444);
+module_param(show_i2c, int, 0444);
+/* Note: tuner_debug is deprecated and will be removed in 2.6.17 */
+module_param_named(tuner_debug,tuner_debug_old, int, 0444);
+module_param_named(debug,tuner_debug, int, 0644);
+module_param_string(pal, pal, sizeof(pal), 0644);
+module_param_string(secam, secam, sizeof(secam), 0644);
+module_param_string(ntsc, ntsc, sizeof(ntsc), 0644);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
+static unsigned int dummy;
+module_param_array(tv_range, int, dummy, 0644);
+module_param_array(radio_range, int, dummy, 0644);
+#else
+module_param_array(tv_range, int, NULL, 0644);
+module_param_array(radio_range, int, NULL, 0644);
+#endif
+#endif
+
+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);
+
+ printk("tuner set frequency %d\n",freq);
+
+ if (t->type == UNSET) {
+ printk("tuner type not set!\n");
+ tuner_warn ("tuner type not set\n");
+ return;
+ }
+ if (NULL == t->set_tv_freq) {
+ printk("Tuner has no way to set tv freq!\n");
+ 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]);
+ /* V4L2 spec: if the freq is not possible then the closest
+ possible value should be selected */
+ if (freq < tv_range[0] * 16)
+ freq = tv_range[0] * 16;
+ else
+ freq = tv_range[1] * 16;
+ }
+ t->set_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->set_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]);
+ /* V4L2 spec: if the freq is not possible then the closest
+ possible value should be selected */
+ if (freq < radio_range[0] * 16000)
+ freq = radio_range[0] * 16000;
+ else
+ freq = radio_range[1] * 16000;
+ }
+
+ t->set_radio_freq(c, freq);
+}
+
+static void set_freq(struct i2c_client *c, unsigned long freq)
+{
+ struct tuner *t = i2c_get_clientdata(c);
+ printk("set freq!!!\n");
+
+ 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);
+ t->radio_freq = 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);
+ t->tv_freq = freq;
+ break;
+ }
+}
+
+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;
+ }
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+ /* 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;
+ }
+#endif
+
+ 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;
+ case TUNER_LG_TDVS_H062F:
+ /* Set the Auxiliary Byte. */
+ buffer[2] &= ~0x20;
+ buffer[2] |= 0x18;
+ buffer[3] = 0x20;
+ i2c_master_send(c, buffer, 4);
+ default_tuner_init(c);
+ break;
+ case TUNER_PHILIPS_TD1316:
+ buffer[0] = 0x0b;
+ buffer[1] = 0xdc;
+ buffer[2] = 0x86;
+ buffer[3] = 0xa4;
+ i2c_master_send(c,buffer,4);
+ default_tuner_init(c);
+ break;
+ case TUNER_XCEIVE_XC3028:
+ printk("initializing XC3028!\n");
+ xc3028_init(c);
+ break;
+ default:
+ default_tuner_init(c);
+ break;
+ }
+
+ if (t->mode_mask == T_UNINITIALIZED)
+ t->mode_mask = new_mode_mask;
+
+ set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq);
+ tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)
+ c->adapter->name, c->driver->name, c->addr << 1, type,
+#else
+ c->adapter->name, c->driver->driver.name, c->addr << 1, type,
+#endif
+ 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 ( t->type == UNSET && ((tun_setup->addr == ADDR_UNSET &&
+ (t->mode_mask & tun_setup->mode_mask)) ||
+ 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) == 0) {
+#if 0
+ tuner_dbg("Cmd %s rejected for mode %i\n", cmd,t->mode);
+#endif
+ return EINVAL;
+ }
+
+ 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;
+}
+
+/* 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':
+ if (pal[1] == 'c' || pal[1] == 'C') {
+ tuner_dbg("insmod fixup: PAL => PAL-Nc\n");
+ t->std = V4L2_STD_PAL_Nc;
+ } else {
+ tuner_dbg ("insmod fixup: PAL => PAL-N\n");
+ t->std = V4L2_STD_PAL_N;
+ }
+ break;
+ case '-':
+ /* default parameter, do nothing */
+ break;
+ default:
+ tuner_warn ("pal= argument not recognised\n");
+ break;
+ }
+ }
+ if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
+ switch (secam[0]) {
+ case 'b':
+ case 'B':
+ case 'g':
+ case 'G':
+ case 'h':
+ case 'H':
+ tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n");
+ t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H;
+ break;
+ 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':
+ if ((secam[1]=='C')||(secam[1]=='c')) {
+ tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n");
+ t->std = V4L2_STD_SECAM_LC;
+ } else {
+ tuner_dbg ("insmod fixup: SECAM => SECAM-L\n");
+ t->std = V4L2_STD_SECAM_L;
+ }
+ break;
+ case '-':
+ /* default parameter, do nothing */
+ break;
+ default:
+ tuner_warn ("secam= argument not recognised\n");
+ break;
+ }
+ }
+
+ if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) {
+ switch (ntsc[0]) {
+ case 'm':
+ case 'M':
+ tuner_dbg("insmod fixup: NTSC => NTSC-M\n");
+ t->std = V4L2_STD_NTSC_M;
+ break;
+ case 'j':
+ case 'J':
+ tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n");
+ t->std = V4L2_STD_NTSC_M_JP;
+ break;
+ case '-':
+ /* default parameter, do nothing */
+ break;
+ default:
+ tuner_info("ntsc= argument not recognised\n");
+ break;
+ }
+ }
+ return 0;
+}
+
+static void tuner_status(struct i2c_client *client)
+{
+ struct tuner *t = i2c_get_clientdata(client);
+ unsigned long freq, freq_fraction;
+ const char *p;
+
+ switch (t->mode) {
+ case V4L2_TUNER_RADIO: p = "radio"; break;
+ case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break;
+ case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break;
+ default: p = "undefined"; break;
+ }
+ if (t->mode == V4L2_TUNER_RADIO) {
+ freq = t->radio_freq / 16000;
+ freq_fraction = (t->radio_freq % 16000) * 100 / 16000;
+ } else {
+ freq = t->tv_freq / 16;
+ freq_fraction = (t->tv_freq % 16) * 100 / 16;
+ }
+ tuner_info("Tuner mode: %s\n", p);
+ tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction);
+ tuner_info("Standard: 0x%08llx\n", t->std);
+ if (t->mode != V4L2_TUNER_RADIO)
+ return;
+ if (t->has_signal) {
+ tuner_info("Signal strength: %d\n", t->has_signal(client));
+ }
+ if (t->is_stereo) {
+ tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no");
+ }
+}
+
+/* ---------------------------------------------------------------------- */
+
+/* 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.
+ */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
+static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
+#else
+static int tuner_attach(struct i2c_adapter *adap, int addr,
+ unsigned short flags, int kind)
+#endif
+{
+ struct tuner *t;
+
+ client_template.adapter = adap;
+ client_template.addr = addr;
+
+ printk(" --- TUNER attach! --\n");
+ t = kzalloc(sizeof(struct tuner), GFP_KERNEL);
+ if (NULL == t)
+ return -ENOMEM;
+ 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;
+ if (tuner_debug_old) {
+ tuner_debug = tuner_debug_old;
+ printk(KERN_ERR "tuner: tuner_debug is deprecated and will be removed in 2.6.17.\n");
+ printk(KERN_ERR "tuner: use the debug option instead.\n");
+ }
+
+ if (show_i2c) {
+ unsigned char buffer[16];
+ int i,rc;
+
+ memset(buffer, 0, sizeof(buffer));
+ rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer));
+ tuner_info("I2C RECV = ");
+ for (i=0;i<rc;i++)
+ printk("%02x ",buffer[i]);
+ printk("\n");
+ }
+ /* autodetection code based on the i2c addr */
+ if (!no_autodetect) {
+ switch (addr) {
+ case 0x42:
+ case 0x43:
+ case 0x4a:
+ case 0x4b:
+ /* If chip is not tda8290, don't register.
+ since it can be tda9887*/
+ if (tda8290_probe(&t->i2c) != 0) {
+ tuner_dbg("chip at addr %x is not a tda8290\n", addr);
+ kfree(t);
+ return 0;
+ }
+ break;
+ case 0x60:
+ if (tea5767_autodetection(&t->i2c) != EINVAL) {
+ t->type = TUNER_TEA5767;
+ t->mode_mask = T_RADIO;
+ t->mode = T_STANDBY;
+ t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
+ default_mode_mask &= ~T_RADIO;
+
+ goto register_client;
+ }
+ break;
+ }
+ }
+
+ /* 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->tv_freq = 400 * 16; /* Sets freq to VHF High */
+ t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */
+ default_mode_mask = T_UNINITIALIZED;
+ }
+
+ /* Should be just before return */
+register_client:
+ tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name);
+ i2c_attach_client (&t->i2c);
+ set_type (&t->i2c,t->type, t->mode_mask);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+MOD_INC_USE_COUNT;
+#endif
+ return 0;
+}
+
+static int tuner_probe(struct i2c_adapter *adap)
+{
+ printk("--- TUner PROBE here ---\n");
+ if (0 != addr) {
+ normal_i2c[0] = addr;
+ normal_i2c[1] = I2C_CLIENT_END;
+ }
+
+ default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
+
+#ifdef I2C_CLASS_TV_ANALOG
+ if (adap->class & I2C_CLASS_TV_ANALOG)
+ return i2c_probe(adap, &addr_data, tuner_attach);
+#else
+ if (adap->id == I2C_HW_B_BT848)
+ return i2c_probe(adap, &addr_data, tuner_attach);
+#endif
+ printk(" --- RETURN --\n");
+ 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;
+ }
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+MOD_DEC_USE_COUNT;
+#endif
+ 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)
+ return 0;
+
+ t->mode = mode;
+
+ if (check_mode(t, cmd) == EINVAL) {
+ t->mode = T_STANDBY;
+ if (t->standby)
+ t->standby (client);
+ 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);
+
+ if (tuner_debug>1)
+ v4l_i2c_print_ioctl(&(t->i2c),cmd);
+
+ 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:
+ if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO")
+ == EINVAL)
+ return 0;
+ if (t->radio_freq)
+ set_freq(client, t->radio_freq);
+ break;
+ case TUNER_SET_STANDBY:
+ if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
+ return 0;
+ if (t->standby)
+ t->standby (client);
+ break;
+ case VIDIOCSAUDIO:
+ if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
+ return 0;
+ if (check_v4l2(t) == EINVAL)
+ return 0;
+
+ /* Should be implemented, since bttv calls it */
+ tuner_dbg("VIDIOCSAUDIO not implemented.\n");
+ 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->tv_freq)
+ set_tv_freq(client, t->tv_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->tv_freq)
+ set_freq(client, t->tv_freq);
+ break;
+ }
+ case VIDIOC_S_FREQUENCY:
+ {
+ struct v4l2_frequency *f = arg;
+
+ 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,f->frequency);
+
+ 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 = (V4L2_TUNER_RADIO == t->mode) ?
+ t->radio_freq : t->tv_freq;
+ break;
+ }
+ case VIDIOC_G_TUNER:
+ {
+ struct v4l2_tuner *tuner = arg;
+
+ if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
+ return 0;
+ switch_v4l2();
+
+ tuner->type = t->mode;
+ if (t->mode != V4L2_TUNER_RADIO) {
+ tuner->rangelow = tv_range[0] * 16;
+ tuner->rangehigh = tv_range[1] * 16;
+ break;
+ }
+
+ /* radio mode */
+ if (t->has_signal)
+ tuner->signal = t->has_signal(client);
+
+ tuner->rxsubchans =
+ V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
+ if (t->is_stereo) {
+ tuner->rxsubchans = t->is_stereo(client) ?
+ V4L2_TUNER_SUB_STEREO : 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;
+ break;
+ }
+ case VIDIOC_S_TUNER:
+ {
+ struct v4l2_tuner *tuner = arg;
+
+ if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL)
+ return 0;
+
+ switch_v4l2();
+
+ /* do nothing unless we're a radio tuner */
+ if (t->mode != V4L2_TUNER_RADIO)
+ break;
+ t->audmode = tuner->audmode;
+ set_radio_freq(client, t->radio_freq);
+ break;
+ }
+ case VIDIOC_LOG_STATUS:
+ tuner_status(client);
+ break;
+ }
+
+ return 0;
+}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14)
+static int tuner_suspend(struct device *dev, pm_message_t state)
+#else
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,13)
+static int tuner_suspend(struct device *dev, pm_message_t state, u32 level)
+#else
+static int tuner_suspend(struct device *dev, u32 state, u32 level)
+#endif
+#endif
+{
+ 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;
+}
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,14)
+static int tuner_resume(struct device *dev)
+#else
+static int tuner_resume(struct device *dev, u32 level)
+#endif
+{
+ struct i2c_client *c = container_of (dev, struct i2c_client, dev);
+ struct tuner *t = i2c_get_clientdata (c);
+
+ tuner_dbg ("resume\n");
+ if (V4L2_TUNER_RADIO == t->mode) {
+ if (t->radio_freq)
+ set_freq(c, t->radio_freq);
+ } else {
+ if (t->tv_freq)
+ set_freq(c, t->tv_freq);
+ }
+ return 0;
+}
+#endif
+
+/* ----------------------------------------------------------------------- */
+
+static struct i2c_driver driver = {
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))&&(LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15))
+ .owner = THIS_MODULE,
+#endif
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)
+ .name = "tuner",
+ .flags = I2C_DF_NOTIFY,
+#endif
+ .id = I2C_DRIVERID_TUNER,
+ .attach_adapter = tuner_probe,
+ .detach_client = tuner_detach,
+ .command = tuner_command,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
+ .driver = {
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,15)
+ .name = "tuner",
+#endif
+ .suspend = tuner_suspend,
+ .resume = tuner_resume,
+ },
+#endif
+};
+static struct i2c_client client_template = {
+ .name = "(tuner unset)",
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,15)
+ .flags = I2C_CLIENT_ALLOW_USE,
+#endif
+ .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 (git 2.25.1) at 2025-01-07 20:42:15 +0000