diff options
Diffstat (limited to 'drivers/media/video/tda8290.c')
| -rw-r--r-- | drivers/media/video/tda8290.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c deleted file mode 100644 index a8b6a8df510..00000000000 --- a/drivers/media/video/tda8290.c +++ /dev/null @@ -1,229 +0,0 @@ -/* - * $Id: tda8290.c,v 1.15 2005/07/08 20:21:33 mchehab 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, - 0xfC, 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, unsigned int freq) -{ - u32 N; - - if (t->mode == V4L2_TUNER_RADIO) - freq = freq / 1000; - - N = (((freq<<3)+ifc)&0x3fffc); - - N = N >> get_freq_entry(div_table, 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, freq); - t->i2c_set_freq[6] = get_freq_entry(agc_table, 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, freq); - 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, freq); - 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: - */ |