[PATCH] tv tuner module update.

Did some code reorganization: split up the source into four files:
 - tuner-core.c for all the interfacing stuff (register driver,
   handle insmod options, react on v4l ioctls, ...),
 - tuner-simple.c for all those trivial 4-byte-command-sequence tuner
   chips.
 - mt20xx.c for the mt2032 and mt2050 tuners.
 - tda8290.c for the tda8290/8272 combo (this code is new).

I also did a number of cleanups like using dev_printk() for the
messages everythere.  There should be no functional changes beside
the new support for the tda8290 tuner.
Signed-off-by: Gerd Knorr <kraxel@bytesex.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/media/video/Makefile

@@ -7,6 +7,7 @@ bttv-objs	:=	bttv-driver.o bttv-cards.o bttv-if.o \
 zoran-objs      :=	zr36120.o zr36120_i2c.o zr36120_mem.o
 zr36067-objs	:=	zoran_procfs.o zoran_device.o \
 			zoran_driver.o zoran_card.o
+tuner-objs	:=	tuner-core.o tuner-simple.o mt20xx.o tda8290.o
 
 obj-$(CONFIG_VIDEO_DEV) += videodev.o v4l2-common.o v4l1-compat.o
 

drivers/media/video/tda8290.c

+/*
+ * $Id: tda8290.c,v 1.5 2005/02/15 15:59:35 kraxel Exp $
+ *
+ * i2c tv tuner chip device driver
+ * controls the philips tda8290+75 tuner chip combo.
+ */
+#include <linux/i2c.h>
+#include <linux/videodev.h>
+#include <linux/delay.h>
+#include <media/tuner.h>
+
+/* ---------------------------------------------------------------------- */
+
+struct freq_entry {
+	u16	freq;
+	u8	value;
+};
+
+static struct freq_entry band_table[] = {
+	{ 0x2DF4, 0x1C },
+	{ 0x2574, 0x14 },
+	{ 0x22B4, 0x0C },
+	{ 0x20D4, 0x0B },
+	{ 0x1E74, 0x3B },
+	{ 0x1C34, 0x33 },
+	{ 0x16F4, 0x5B },
+	{ 0x1454, 0x53 },
+	{ 0x12D4, 0x52 },
+	{ 0x1034, 0x4A },
+	{ 0x0EE4, 0x7A },
+	{ 0x0D34, 0x72 },
+	{ 0x0B54, 0x9A },
+	{ 0x0914, 0x91 },
+	{ 0x07F4, 0x89 },
+	{ 0x0774, 0xB9 },
+	{ 0x067B, 0xB1 },
+	{ 0x0634, 0xD9 },
+	{ 0x05A4, 0xD8 },	// FM radio
+	{ 0x0494, 0xD0 },
+	{ 0x03BC, 0xC8 },
+	{ 0x0394, 0xF8 },	// 57250000 Hz
+	{ 0x0000, 0xF0 },	// 0
+};
+
+static struct freq_entry div_table[] = {
+	{ 0x1C34, 3 },
+	{ 0x0D34, 2 },
+	{ 0x067B, 1 },
+        { 0x0000, 0 },
+};
+
+static struct freq_entry agc_table[] = {
+	{ 0x22B4, 0x8F },
+	{ 0x0B54, 0x9F },
+	{ 0x09A4, 0x8F },
+	{ 0x0554, 0x9F },
+	{ 0x0000, 0xBF },
+};
+
+static __u8 get_freq_entry( struct freq_entry* table, __u16 freq)
+{
+	while(table->freq && table->freq > freq)
+		table++;
+	return table->value;
+}
+
+/* ---------------------------------------------------------------------- */
+
+static unsigned char i2c_enable_bridge[2] = 	{ 0x21, 0xC0 };
+static unsigned char i2c_disable_bridge[2] = 	{ 0x21, 0x80 };
+static unsigned char i2c_init_tda8275[14] = 	{ 0x00, 0x00, 0x00, 0x00,
+						  0x7C, 0x04, 0xA3, 0x3F,
+						  0x2A, 0x04, 0xFF, 0x00,
+						  0x00, 0x40 };
+static unsigned char i2c_set_VS[2] = 		{ 0x30, 0x6F };
+static unsigned char i2c_set_GP01_CF[2] = 	{ 0x20, 0x0B };
+static unsigned char i2c_tda8290_reset[2] =	{ 0x00, 0x00 };
+static unsigned char i2c_gainset_off[2] =	{ 0x28, 0x14 };
+static unsigned char i2c_gainset_on[2] =	{ 0x28, 0x54 };
+static unsigned char i2c_agc3_00[2] =		{ 0x80, 0x00 };
+static unsigned char i2c_agc2_BF[2] =		{ 0x60, 0xBF };
+static unsigned char i2c_cb1_D2[2] =		{ 0x30, 0xD2 };
+static unsigned char i2c_cb1_56[2] =		{ 0x30, 0x56 };
+static unsigned char i2c_cb1_52[2] =		{ 0x30, 0x52 };
+static unsigned char i2c_cb1_50[2] =		{ 0x30, 0x50 };
+static unsigned char i2c_agc2_7F[2] =		{ 0x60, 0x7F };
+static unsigned char i2c_agc3_08[2] =		{ 0x80, 0x08 };
+
+static struct i2c_msg i2c_msg_init[] = {
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_init_tda8275), i2c_init_tda8275 },
+	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_disable_bridge), i2c_disable_bridge },
+	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_set_VS), i2c_set_VS },
+	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_set_GP01_CF), i2c_set_GP01_CF },
+};
+
+static struct i2c_msg i2c_msg_prolog[] = {
+//	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_easy_mode), i2c_easy_mode },
+	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_gainset_off), i2c_gainset_off },
+	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_tda8290_reset), i2c_tda8290_reset },
+	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_enable_bridge), i2c_enable_bridge },
+};
+
+static struct i2c_msg i2c_msg_config[] = {
+//	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_set_freq), i2c_set_freq },
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc3_00), i2c_agc3_00 },
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc2_BF), i2c_agc2_BF },
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_D2), i2c_cb1_D2 },
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_56), i2c_cb1_56 },
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_52), i2c_cb1_52 },
+};
+
+static struct i2c_msg i2c_msg_epilog[] = {
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_cb1_50), i2c_cb1_50 },
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc2_7F), i2c_agc2_7F },
+	{ I2C_ADDR_TDA8275, 0, ARRAY_SIZE(i2c_agc3_08), i2c_agc3_08 },
+	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_disable_bridge), i2c_disable_bridge },
+	{ I2C_ADDR_TDA8290, 0, ARRAY_SIZE(i2c_gainset_on), i2c_gainset_on },
+};
+
+static int tda8290_tune(struct i2c_client *c)
+{
+	struct tuner *t = i2c_get_clientdata(c);
+	struct i2c_msg easy_mode =
+		{ I2C_ADDR_TDA8290, 0, 2, t->i2c_easy_mode };
+	struct i2c_msg set_freq =
+		{ I2C_ADDR_TDA8290, 0, 8, t->i2c_set_freq  };
+
+	i2c_transfer(c->adapter, &easy_mode,      1);
+	i2c_transfer(c->adapter, i2c_msg_prolog, ARRAY_SIZE(i2c_msg_prolog));
+
+	i2c_transfer(c->adapter, &set_freq,       1);
+	i2c_transfer(c->adapter, i2c_msg_config, ARRAY_SIZE(i2c_msg_config));
+
+	msleep(550);
+	i2c_transfer(c->adapter, i2c_msg_epilog, ARRAY_SIZE(i2c_msg_epilog));
+	return 0;
+}
+
+static void set_frequency(struct tuner *t, u16 ifc)
+{
+	u32 N = (((t->freq<<3)+ifc)&0x3fffc);
+
+	N = N >> get_freq_entry(div_table, t->freq);
+	t->i2c_set_freq[0] = 0;
+	t->i2c_set_freq[1] = (unsigned char)(N>>8);
+	t->i2c_set_freq[2] = (unsigned char) N;
+	t->i2c_set_freq[3] = 0x40;
+	t->i2c_set_freq[4] = 0x52;
+	t->i2c_set_freq[5] = get_freq_entry(band_table, t->freq);
+	t->i2c_set_freq[6] = get_freq_entry(agc_table,  t->freq);
+	t->i2c_set_freq[7] = 0x8f;
+}
+
+#define V4L2_STD_MN	(V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
+#define V4L2_STD_B	(V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
+#define V4L2_STD_GH	(V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
+#define V4L2_STD_DK	(V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
+
+static void set_audio(struct tuner *t)
+{
+	t->i2c_easy_mode[0] = 0x01;
+
+	if (t->std & V4L2_STD_MN)
+		t->i2c_easy_mode[1] = 0x01;
+	else if (t->std & V4L2_STD_B)
+		t->i2c_easy_mode[1] = 0x02;
+	else if (t->std & V4L2_STD_GH)
+		t->i2c_easy_mode[1] = 0x04;
+	else if (t->std & V4L2_STD_PAL_I)
+		t->i2c_easy_mode[1] = 0x08;
+	else if (t->std & V4L2_STD_DK)
+		t->i2c_easy_mode[1] = 0x10;
+	else if (t->std & V4L2_STD_SECAM_L)
+		t->i2c_easy_mode[1] = 0x20;
+}
+
+static void set_tv_freq(struct i2c_client *c, unsigned int freq)
+{
+	struct tuner *t = i2c_get_clientdata(c);
+
+	set_audio(t);
+	set_frequency(t, 864);
+	tda8290_tune(c);
+}
+
+static void set_radio_freq(struct i2c_client *c, unsigned int freq)
+{
+	struct tuner *t = i2c_get_clientdata(c);
+	set_frequency(t, 704);
+	tda8290_tune(c);
+}
+
+static int has_signal(struct i2c_client *c)
+{
+	unsigned char i2c_get_afc[1] = { 0x1B };
+	unsigned char afc = 0;
+
+	i2c_master_send(c, i2c_get_afc, ARRAY_SIZE(i2c_get_afc));
+	i2c_master_recv(c, &afc, 1);
+	return (afc & 0x80)? 65535:0;
+}
+
+int tda8290_init(struct i2c_client *c)
+{
+	struct tuner *t = i2c_get_clientdata(c);
+
+	strlcpy(c->name, "tda8290+75", sizeof(c->name));
+	tuner_info("tuner: type set to %s\n", c->name);
+	t->tv_freq    = set_tv_freq;
+	t->radio_freq = set_radio_freq;
+	t->has_signal = has_signal;
+
+	i2c_master_send(c, i2c_enable_bridge, ARRAY_SIZE(i2c_enable_bridge));
+	i2c_transfer(c->adapter, i2c_msg_init, ARRAY_SIZE(i2c_msg_init));
+	return 0;
+}
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */

drivers/media/video/tda9887.c

@@ -557,7 +557,7 @@ static int tda9887_configure(struct tda9887 *t)
 #if 0
 	/* This as-is breaks some cards, must be fixed in a
 	 * card-specific way, probably using TDA9887_SET_CONFIG to
-	  * turn on/off port2 */
+	 * turn on/off port2 */
 	if (t->std & V4L2_STD_SECAM_L) {
 		/* secam fixup (FIXME: move this to tvnorms array?) */
 		buf[1] &= ~cOutputPort2Inactive;

drivers/media/video/tveeprom.c

@@ -34,6 +34,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/types.h>
+#include <linux/videodev.h>
 #include <linux/i2c.h>
 
 #include <media/tuner.h>

include/media/tuner.h

@@ -29,55 +29,70 @@
 #define TUNER_PHILIPS_PAL_I 1
 #define TUNER_PHILIPS_NTSC  2
 #define TUNER_PHILIPS_SECAM 3		/* you must actively select B/G, L, L` */
+
 #define TUNER_ABSENT        4
 #define TUNER_PHILIPS_PAL   5
 #define TUNER_TEMIC_NTSC    6        /* 4032 FY5 (3X 7004, 9498, 9789)  */
 #define TUNER_TEMIC_PAL_I   7        /* 4062 FY5 (3X 8501, 9957)        */
+
 #define TUNER_TEMIC_4036FY5_NTSC 8   /* 4036 FY5 (3X 1223, 1981, 7686)  */
 #define TUNER_ALPS_TSBH1_NTSC 	 9
 #define TUNER_ALPS_TSBE1_PAL 	10
 #define TUNER_ALPS_TSBB5_PAL_I 	11
+
 #define TUNER_ALPS_TSBE5_PAL 	12
 #define TUNER_ALPS_TSBC5_PAL 	13
 #define TUNER_TEMIC_4006FH5_PAL	14   /* 4006 FH5 (3X 9500, 9501, 7291)     */
 #define TUNER_ALPS_TSHC6_NTSC 	15
+
 #define TUNER_TEMIC_PAL_DK	16   /* 4016 FY5 (3X 1392, 1393)     */
 #define TUNER_PHILIPS_NTSC_M	17
 #define TUNER_TEMIC_4066FY5_PAL_I       18  /* 4066 FY5 (3X 7032, 7035) */
 #define TUNER_TEMIC_4006FN5_MULTI_PAL   19  /* B/G, I and D/K autodetected (3X 7595, 7606, 7657)*/
+
 #define TUNER_TEMIC_4009FR5_PAL         20  /* incl. FM radio (3X 7607, 7488, 7711)*/
 #define TUNER_TEMIC_4039FR5_NTSC        21  /* incl. FM radio (3X 7246, 7578, 7732)*/
 #define TUNER_TEMIC_4046FM5             22  /* you must actively select B/G, D/K, I, L, L` !  (3X 7804, 7806, 8103, 8104)*/
 #define TUNER_PHILIPS_PAL_DK		23
+
 #define TUNER_PHILIPS_FQ1216ME		24  /* you must actively select B/G/D/K, I, L, L` */
 #define TUNER_LG_PAL_I_FM	25
 #define TUNER_LG_PAL_I		26
 #define TUNER_LG_NTSC_FM	27
+
 #define TUNER_LG_PAL_FM		28
 #define TUNER_LG_PAL		29
 #define TUNER_TEMIC_4009FN5_MULTI_PAL_FM	30  /* B/G, I and D/K autodetected (3X 8155, 8160, 8163)*/
 #define TUNER_SHARP_2U5JF5540_NTSC  31
+
 #define TUNER_Samsung_PAL_TCPM9091PD27 32
 #define TUNER_MT2032 33
 #define TUNER_TEMIC_4106FH5 	34	/* 4106 FH5 (3X 7808, 7865)*/
 #define TUNER_TEMIC_4012FY5	35	/* 4012 FY5 (3X 0971, 1099)*/
+
 #define TUNER_TEMIC_4136FY5	36	/* 4136 FY5 (3X 7708, 7746)*/
 #define TUNER_LG_PAL_NEW_TAPC   37
 #define TUNER_PHILIPS_FM1216ME_MK3  38
 #define TUNER_LG_NTSC_NEW_TAPC   39
+
 #define TUNER_HITACHI_NTSC       40
 #define TUNER_PHILIPS_PAL_MK     41
 #define TUNER_PHILIPS_ATSC       42
 #define TUNER_PHILIPS_FM1236_MK3 43
+
 #define TUNER_PHILIPS_4IN1       44	/* ATI TV Wonder Pro - Conexant */
 /* Microtune mergeged with Temic 12/31/1999 partially financed by Alps - these may be similar to Temic */
 #define TUNER_MICROTUNE_4049FM5  45
 #define TUNER_LG_NTSC_TAPE       47
+
 #define TUNER_TNF_8831BGFF       48
 #define TUNER_MICROTUNE_4042FI5  49	/* FusionHDTV 3 Gold - 4042 FI5 (3X 8147) */
 #define TUNER_TCL_2002N          50
 #define TUNER_PHILIPS_FM1256_IH3   51
+
 #define TUNER_THOMSON_DTT7610    52
+#define TUNER_PHILIPS_FQ1286     53
+#define TUNER_PHILIPS_TDA8290    54
 
 #define NOTUNER 0
 #define PAL     1	/* PAL_BG */
@@ -102,10 +117,6 @@
 
 #define TUNER_SET_TYPE               _IOW('t',1,int)    /* set tuner type */
 #define TUNER_SET_TVFREQ             _IOW('t',2,int)    /* set tv freq */
-#if 0 /* obsolete */
-# define TUNER_SET_RADIOFREQ         _IOW('t',3,int)    /* set radio freq */
-# define TUNER_SET_MODE              _IOW('t',4,int)    /* set tuner mode */
-#endif
 
 #define  TDA9887_SET_CONFIG          _IOW('t',5,int)
 /* tv card specific */
@@ -123,4 +134,62 @@
 # define TDA9887_DEEMPHASIS_75       (3<<16)
 # define TDA9887_AUTOMUTE            (1<<18)
 
+#ifdef __KERNEL__
+
+#define I2C_ADDR_TDA8290        0x4b
+#define I2C_ADDR_TDA8275        0x61
+
+struct tuner {
+	/* device */
+	struct i2c_client i2c;
+
+	/* state + config */
+	unsigned int initialized;
+	unsigned int type;            /* chip type */
+	unsigned int freq;            /* keep track of the current settings */
+	v4l2_std_id  std;
+	int          using_v4l2;
+
+	enum v4l2_tuner_type mode;
+	unsigned int input;
+
+	/* used by MT2032 */
+	unsigned int xogc;
+	unsigned int radio_if2;
+
+	/* used by tda8290 */
+	unsigned char i2c_easy_mode[2];
+	unsigned char i2c_set_freq[8];
+
+	/* function ptrs */
+	void (*tv_freq)(struct i2c_client *c, unsigned int freq);
+	void (*radio_freq)(struct i2c_client *c, unsigned int freq);
+	int  (*has_signal)(struct i2c_client *c);
+	int  (*is_stereo)(struct i2c_client *c);
+};
+
+extern unsigned int tuner_debug;
+extern unsigned const int tuner_count;
+
+extern int microtune_init(struct i2c_client *c);
+extern int tda8290_init(struct i2c_client *c);
+extern int default_tuner_init(struct i2c_client *c);
+
+#define tuner_warn(fmt, arg...) \
+	dev_printk(KERN_WARNING , &t->i2c.dev , fmt , ## arg)
+#define tuner_info(fmt, arg...) \
+	dev_printk(KERN_INFO , &t->i2c.dev , fmt , ## arg)
+#define tuner_dbg(fmt, arg...) \
+	if (tuner_debug) dev_printk(KERN_DEBUG , &t->i2c.dev , fmt , ## arg)
+
+#endif /* __KERNEL__ */
+
 #endif
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */