Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c
new file mode 100644
index 0000000..b27cc34
--- /dev/null
+++ b/drivers/media/video/tda8290.c
@@ -0,0 +1,224 @@
+/*
+ * $Id: tda8290.c,v 1.7 2005/03/07 12:01:51 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_TDA8275, 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:
+ */