X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Ftda8290.c;h=55bc89a6f0694c7f3d8e35e6804f4fb8d01eda5f;hb=ef3f2de2b5496f721b12f21a157e19eac816394b;hp=59cff5a3c59e106fb47cf243160ccdf62b2cafe3;hpb=e6f194d8f6f50da6837af637b2fd839c34185f7a;p=linux-2.6 diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c index 59cff5a3c5..55bc89a6f0 100644 --- a/drivers/media/video/tda8290.c +++ b/drivers/media/video/tda8290.c @@ -16,352 +16,139 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + This "tda8290" module was split apart from the original "tuner" module. */ #include -#include #include -#include "tuner-driver.h" +#include +#include "tuner-i2c.h" +#include "tda8290.h" +#include "tda827x.h" +#include "tda18271.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "enable verbose debug messages"); + +#define PREFIX "tda8290" /* ---------------------------------------------------------------------- */ struct tda8290_priv { + struct tuner_i2c_props i2c_props; + unsigned char tda8290_easy_mode; - unsigned char tda827x_lpsel; + unsigned char tda827x_addr; - unsigned char tda827x_ver; - unsigned int sgIF; -}; -/* ---------------------------------------------------------------------- */ + unsigned char ver; +#define TDA8290 1 +#define TDA8295 2 +#define TDA8275 4 +#define TDA8275A 8 +#define TDA18271 16 -struct tda827x_data { - u32 lomax; - u8 spd; - u8 bs; - u8 bp; - u8 cp; - u8 gc3; - u8 div1p5; + struct tda827x_config cfg; }; - /* Note lomax entry is lo / 62500 */ - -static struct tda827x_data tda827x_analog[] = { - { .lomax = 992, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 62 MHz */ - { .lomax = 1056, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 1}, /* 66 MHz */ - { .lomax = 1216, .spd = 3, .bs = 1, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 76 MHz */ - { .lomax = 1344, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 3, .div1p5 = 0}, /* 84 MHz */ - { .lomax = 1488, .spd = 3, .bs = 2, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 93 MHz */ - { .lomax = 1568, .spd = 3, .bs = 3, .bp = 0, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 98 MHz */ - { .lomax = 1744, .spd = 3, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 109 MHz */ - { .lomax = 1968, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 123 MHz */ - { .lomax = 2128, .spd = 2, .bs = 3, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 133 MHz */ - { .lomax = 2416, .spd = 2, .bs = 1, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 151 MHz */ - { .lomax = 2464, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 154 MHz */ - { .lomax = 2896, .spd = 2, .bs = 2, .bp = 1, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 181 MHz */ - { .lomax = 2960, .spd = 2, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 185 MHz */ - { .lomax = 3472, .spd = 2, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 217 MHz */ - { .lomax = 3904, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 244 MHz */ - { .lomax = 4240, .spd = 1, .bs = 3, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 265 MHz */ - { .lomax = 4832, .spd = 1, .bs = 1, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 302 MHz */ - { .lomax = 5184, .spd = 1, .bs = 2, .bp = 2, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 324 MHz */ - { .lomax = 5920, .spd = 1, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 370 MHz */ - { .lomax = 7264, .spd = 1, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 454 MHz */ - { .lomax = 7888, .spd = 0, .bs = 2, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 493 MHz */ - { .lomax = 8480, .spd = 0, .bs = 3, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 1}, /* 530 MHz */ - { .lomax = 8864, .spd = 0, .bs = 1, .bp = 3, .cp = 0, .gc3 = 1, .div1p5 = 0}, /* 554 MHz */ - { .lomax = 9664, .spd = 0, .bs = 1, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 604 MHz */ - { .lomax = 11088, .spd = 0, .bs = 2, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 696 MHz */ - { .lomax = 11840, .spd = 0, .bs = 2, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 740 MHz */ - { .lomax = 13120, .spd = 0, .bs = 3, .bp = 4, .cp = 0, .gc3 = 0, .div1p5 = 0}, /* 820 MHz */ - { .lomax = 13840, .spd = 0, .bs = 3, .bp = 4, .cp = 1, .gc3 = 0, .div1p5 = 0}, /* 865 MHz */ - { .lomax = 0, .spd = 0, .bs = 0, .bp = 0, .cp = 0, .gc3 = 0, .div1p5 = 0} /* End */ -}; +/*---------------------------------------------------------------------*/ -static void tda827x_tune(struct i2c_client *c, u16 ifc, unsigned int freq) +static int tda8290_i2c_bridge(struct dvb_frontend *fe, int close) { - unsigned char tuner_reg[8]; - unsigned char reg2[2]; - u32 N; - int i; - struct tuner *t = i2c_get_clientdata(c); - struct tda8290_priv *priv = t->priv; - struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0}; + struct tda8290_priv *priv = fe->analog_demod_priv; - if (t->mode == V4L2_TUNER_RADIO) - freq = freq / 1000; + unsigned char enable[2] = { 0x21, 0xC0 }; + unsigned char disable[2] = { 0x21, 0x00 }; + unsigned char *msg; - N = freq + ifc; - i = 0; - while (tda827x_analog[i].lomax < N) { - if(tda827x_analog[i + 1].lomax == 0) - break; - i++; + if (close) { + msg = enable; + tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); + /* let the bridge stabilize */ + msleep(20); + } else { + msg = disable; + tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); } - N = N << tda827x_analog[i].spd; - - tuner_reg[0] = 0; - tuner_reg[1] = (unsigned char)(N>>8); - tuner_reg[2] = (unsigned char) N; - tuner_reg[3] = 0x40; - tuner_reg[4] = 0x52 + (priv->tda827x_lpsel << 5); - tuner_reg[5] = (tda827x_analog[i].spd << 6) + (tda827x_analog[i].div1p5 <<5) + - (tda827x_analog[i].bs <<3) + tda827x_analog[i].bp; - tuner_reg[6] = 0x8f + (tda827x_analog[i].gc3 << 4); - tuner_reg[7] = 0x8f; - - msg.buf = tuner_reg; - msg.len = 8; - i2c_transfer(c->adapter, &msg, 1); - - msg.buf= reg2; - msg.len = 2; - reg2[0] = 0x80; - reg2[1] = 0; - i2c_transfer(c->adapter, &msg, 1); - - reg2[0] = 0x60; - reg2[1] = 0xbf; - i2c_transfer(c->adapter, &msg, 1); - - reg2[0] = 0x30; - reg2[1] = tuner_reg[4] + 0x80; - i2c_transfer(c->adapter, &msg, 1); - - msleep(1); - reg2[0] = 0x30; - reg2[1] = tuner_reg[4] + 4; - i2c_transfer(c->adapter, &msg, 1); - - msleep(1); - reg2[0] = 0x30; - reg2[1] = tuner_reg[4]; - i2c_transfer(c->adapter, &msg, 1); - - msleep(550); - reg2[0] = 0x30; - reg2[1] = (tuner_reg[4] & 0xfc) + tda827x_analog[i].cp ; - i2c_transfer(c->adapter, &msg, 1); - - reg2[0] = 0x60; - reg2[1] = 0x3f; - i2c_transfer(c->adapter, &msg, 1); - - reg2[0] = 0x80; - reg2[1] = 0x08; // Vsync en - i2c_transfer(c->adapter, &msg, 1); + return 0; } -static void tda827x_agcf(struct i2c_client *c) +static int tda8295_i2c_bridge(struct dvb_frontend *fe, int close) { - struct tuner *t = i2c_get_clientdata(c); - struct tda8290_priv *priv = t->priv; - unsigned char data[] = {0x80, 0x0c}; - struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data, - .flags = 0, .len = 2}; - i2c_transfer(c->adapter, &msg, 1); -} - -/* ---------------------------------------------------------------------- */ - -struct tda827xa_data { - u32 lomax; - u8 svco; - u8 spd; - u8 scr; - u8 sbs; - u8 gc3; -}; - -static struct tda827xa_data tda827xa_analog[] = { - { .lomax = 910, .svco = 3, .spd = 4, .scr = 0, .sbs = 0, .gc3 = 3}, /* 56.875 MHz */ - { .lomax = 1076, .svco = 0, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 67.25 MHz */ - { .lomax = 1300, .svco = 1, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 81.25 MHz */ - { .lomax = 1560, .svco = 2, .spd = 3, .scr = 0, .sbs = 0, .gc3 = 3}, /* 97.5 MHz */ - { .lomax = 1820, .svco = 3, .spd = 3, .scr = 0, .sbs = 1, .gc3 = 1}, /* 113.75 MHz */ - { .lomax = 2152, .svco = 0, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 134.5 MHz */ - { .lomax = 2464, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 154 MHz */ - { .lomax = 2600, .svco = 1, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 162.5 MHz */ - { .lomax = 2928, .svco = 2, .spd = 2, .scr = 0, .sbs = 1, .gc3 = 1}, /* 183 MHz */ - { .lomax = 3120, .svco = 2, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 1}, /* 195 MHz */ - { .lomax = 3640, .svco = 3, .spd = 2, .scr = 0, .sbs = 2, .gc3 = 3}, /* 227.5 MHz */ - { .lomax = 4304, .svco = 0, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 3}, /* 269 MHz */ - { .lomax = 5200, .svco = 1, .spd = 1, .scr = 0, .sbs = 2, .gc3 = 1}, /* 325 MHz */ - { .lomax = 6240, .svco = 2, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 390 MHz */ - { .lomax = 7280, .svco = 3, .spd = 1, .scr = 0, .sbs = 3, .gc3 = 3}, /* 455 MHz */ - { .lomax = 8320, .svco = 0, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 520 MHz */ - { .lomax = 8608, .svco = 0, .spd = 0, .scr = 1, .sbs = 3, .gc3 = 1}, /* 538 MHz */ - { .lomax = 8864, .svco = 1, .spd = 0, .scr = 0, .sbs = 3, .gc3 = 1}, /* 554 MHz */ - { .lomax = 9920, .svco = 1, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 620 MHz */ - { .lomax = 10400, .svco = 1, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 650 MHz */ - { .lomax = 11200, .svco = 2, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 700 MHz */ - { .lomax = 12480, .svco = 2, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 780 MHz */ - { .lomax = 13120, .svco = 3, .spd = 0, .scr = 0, .sbs = 4, .gc3 = 0}, /* 820 MHz */ - { .lomax = 13920, .svco = 3, .spd = 0, .scr = 1, .sbs = 4, .gc3 = 0}, /* 870 MHz */ - { .lomax = 14576, .svco = 3, .spd = 0, .scr = 2, .sbs = 4, .gc3 = 0}, /* 911 MHz */ - { .lomax = 0, .svco = 0, .spd = 0, .scr = 0, .sbs = 0, .gc3 = 0} /* End */ -}; + struct tda8290_priv *priv = fe->analog_demod_priv; -static void tda827xa_lna_gain(struct i2c_client *c, int high) -{ - struct tuner *t = i2c_get_clientdata(c); - unsigned char buf[] = {0x22, 0x01}; - int arg; - struct i2c_msg msg = {.addr = c->addr, .flags = 0, .buf = buf, .len = sizeof(buf)}; - if (t->config) { - if (high) - tuner_dbg("setting LNA to high gain\n"); - else - tuner_dbg("setting LNA to low gain\n"); - } - switch (t->config) { - case 0: /* no LNA */ - break; - case 1: /* switch is GPIO 0 of tda8290 */ - case 2: - /* turn Vsync on */ - if (t->std & V4L2_STD_MN) - arg = 1; - else - arg = 0; - if (t->tuner_callback) - t->tuner_callback(c->adapter->algo_data, 1, arg); - buf[1] = high ? 0 : 1; - if (t->config == 2) - buf[1] = high ? 1 : 0; - i2c_transfer(c->adapter, &msg, 1); - break; - case 3: /* switch with GPIO of saa713x */ - if (t->tuner_callback) - t->tuner_callback(c->adapter->algo_data, 0, high); - break; - } -} - -static void tda827xa_tune(struct i2c_client *c, u16 ifc, unsigned int freq) -{ - unsigned char tuner_reg[11]; - u32 N; - int i; - struct tuner *t = i2c_get_clientdata(c); - struct tda8290_priv *priv = t->priv; - struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags = 0, .buf = tuner_reg}; + unsigned char enable[2] = { 0x45, 0xc1 }; + unsigned char disable[2] = { 0x46, 0x00 }; + unsigned char buf[3] = { 0x45, 0x01, 0x00 }; + unsigned char *msg; - tda827xa_lna_gain( c, 1); - msleep(10); + if (close) { + msg = enable; + tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); + /* let the bridge stabilize */ + msleep(20); + } else { + msg = disable; + tuner_i2c_xfer_send(&priv->i2c_props, msg, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &msg[1], 1); - if (t->mode == V4L2_TUNER_RADIO) - freq = freq / 1000; + buf[2] = msg[1]; + buf[2] &= ~0x04; + tuner_i2c_xfer_send(&priv->i2c_props, buf, 3); + msleep(5); - N = freq + ifc; - i = 0; - while (tda827xa_analog[i].lomax < N) { - if(tda827xa_analog[i + 1].lomax == 0) - break; - i++; + msg[1] |= 0x04; + tuner_i2c_xfer_send(&priv->i2c_props, msg, 2); } - N = N << tda827xa_analog[i].spd; - - tuner_reg[0] = 0; - tuner_reg[1] = (unsigned char)(N>>8); - tuner_reg[2] = (unsigned char) N; - tuner_reg[3] = 0; - tuner_reg[4] = 0x16; - tuner_reg[5] = (tda827xa_analog[i].spd << 5) + (tda827xa_analog[i].svco << 3) + - tda827xa_analog[i].sbs; - tuner_reg[6] = 0x8b + (tda827xa_analog[i].gc3 << 4); - tuner_reg[7] = 0x1c; - tuner_reg[8] = 4; - tuner_reg[9] = 0x20; - tuner_reg[10] = 0x00; - msg.len = 11; - i2c_transfer(c->adapter, &msg, 1); - - tuner_reg[0] = 0x90; - tuner_reg[1] = 0xff; - tuner_reg[2] = 0xe0; - tuner_reg[3] = 0; - tuner_reg[4] = 0x99 + (priv->tda827x_lpsel << 1); - msg.len = 5; - i2c_transfer(c->adapter, &msg, 1); - - tuner_reg[0] = 0xa0; - tuner_reg[1] = 0xc0; - msg.len = 2; - i2c_transfer(c->adapter, &msg, 1); - - tuner_reg[0] = 0x30; - tuner_reg[1] = 0x10 + tda827xa_analog[i].scr; - i2c_transfer(c->adapter, &msg, 1); - - msg.flags = I2C_M_RD; - i2c_transfer(c->adapter, &msg, 1); - msg.flags = 0; - tuner_reg[1] >>= 4; - tuner_dbg("AGC2 gain is: %d\n", tuner_reg[1]); - if (tuner_reg[1] < 1) - tda827xa_lna_gain( c, 0); - - msleep(100); - tuner_reg[0] = 0x60; - tuner_reg[1] = 0x3c; - i2c_transfer(c->adapter, &msg, 1); - - msleep(163); - tuner_reg[0] = 0x50; - tuner_reg[1] = 0x8f + (tda827xa_analog[i].gc3 << 4); - i2c_transfer(c->adapter, &msg, 1); - - tuner_reg[0] = 0x80; - tuner_reg[1] = 0x28; - i2c_transfer(c->adapter, &msg, 1); - - tuner_reg[0] = 0xb0; - tuner_reg[1] = 0x01; - i2c_transfer(c->adapter, &msg, 1); - - tuner_reg[0] = 0xc0; - tuner_reg[1] = 0x19 + (priv->tda827x_lpsel << 1); - i2c_transfer(c->adapter, &msg, 1); -} - -static void tda827xa_agcf(struct i2c_client *c) -{ - struct tuner *t = i2c_get_clientdata(c); - struct tda8290_priv *priv = t->priv; - unsigned char data[] = {0x80, 0x2c}; - struct i2c_msg msg = {.addr = priv->tda827x_addr, .buf = data, - .flags = 0, .len = 2}; - i2c_transfer(c->adapter, &msg, 1); + return 0; } /*---------------------------------------------------------------------*/ -static void tda8290_i2c_bridge(struct i2c_client *c, int close) +static void set_audio(struct dvb_frontend *fe, + struct analog_parameters *params) { - unsigned char enable[2] = { 0x21, 0xC0 }; - unsigned char disable[2] = { 0x21, 0x00 }; - unsigned char *msg; - if(close) { - msg = enable; - i2c_master_send(c, msg, 2); - /* let the bridge stabilize */ - msleep(20); + struct tda8290_priv *priv = fe->analog_demod_priv; + char* mode; + + if (params->std & V4L2_STD_MN) { + priv->tda8290_easy_mode = 0x01; + mode = "MN"; + } else if (params->std & V4L2_STD_B) { + priv->tda8290_easy_mode = 0x02; + mode = "B"; + } else if (params->std & V4L2_STD_GH) { + priv->tda8290_easy_mode = 0x04; + mode = "GH"; + } else if (params->std & V4L2_STD_PAL_I) { + priv->tda8290_easy_mode = 0x08; + mode = "I"; + } else if (params->std & V4L2_STD_DK) { + priv->tda8290_easy_mode = 0x10; + mode = "DK"; + } else if (params->std & V4L2_STD_SECAM_L) { + priv->tda8290_easy_mode = 0x20; + mode = "L"; + } else if (params->std & V4L2_STD_SECAM_LC) { + priv->tda8290_easy_mode = 0x40; + mode = "LC"; } else { - msg = disable; - i2c_master_send(c, msg, 2); + priv->tda8290_easy_mode = 0x10; + mode = "xx"; } -} -/*---------------------------------------------------------------------*/ + tuner_dbg("setting tda829x to system %s\n", mode); +} -static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) +static void tda8290_set_params(struct dvb_frontend *fe, + struct analog_parameters *params) { - struct tuner *t = i2c_get_clientdata(c); - struct tda8290_priv *priv = t->priv; + struct tda8290_priv *priv = fe->analog_demod_priv; + unsigned char soft_reset[] = { 0x00, 0x00 }; unsigned char easy_mode[] = { 0x01, priv->tda8290_easy_mode }; unsigned char expert_mode[] = { 0x01, 0x80 }; @@ -384,35 +171,38 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) pll_stat; int i; - tuner_dbg("tda827xa config is 0x%02x\n", t->config); - i2c_master_send(c, easy_mode, 2); - i2c_master_send(c, agc_out_on, 2); - i2c_master_send(c, soft_reset, 2); + set_audio(fe, params); + + if (priv->cfg.config) + tuner_dbg("tda827xa config is 0x%02x\n", *priv->cfg.config); + tuner_i2c_xfer_send(&priv->i2c_props, easy_mode, 2); + tuner_i2c_xfer_send(&priv->i2c_props, agc_out_on, 2); + tuner_i2c_xfer_send(&priv->i2c_props, soft_reset, 2); msleep(1); expert_mode[1] = priv->tda8290_easy_mode + 0x80; - i2c_master_send(c, expert_mode, 2); - i2c_master_send(c, gainset_off, 2); - i2c_master_send(c, if_agc_spd, 2); + tuner_i2c_xfer_send(&priv->i2c_props, expert_mode, 2); + tuner_i2c_xfer_send(&priv->i2c_props, gainset_off, 2); + tuner_i2c_xfer_send(&priv->i2c_props, if_agc_spd, 2); if (priv->tda8290_easy_mode & 0x60) - i2c_master_send(c, adc_head_9, 2); + tuner_i2c_xfer_send(&priv->i2c_props, adc_head_9, 2); else - i2c_master_send(c, adc_head_6, 2); - i2c_master_send(c, pll_bw_nom, 2); + tuner_i2c_xfer_send(&priv->i2c_props, adc_head_6, 2); + tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_nom, 2); + + tda8290_i2c_bridge(fe, 1); + + if (fe->ops.tuner_ops.set_analog_params) + fe->ops.tuner_ops.set_analog_params(fe, params); - tda8290_i2c_bridge(c, 1); - if (priv->tda827x_ver != 0) - tda827xa_tune(c, ifc, freq); - else - tda827x_tune(c, ifc, freq); for (i = 0; i < 3; i++) { - i2c_master_send(c, &addr_pll_stat, 1); - i2c_master_recv(c, &pll_stat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); if (pll_stat & 0x80) { - i2c_master_send(c, &addr_adc_sat, 1); - i2c_master_recv(c, &adc_sat, 1); - i2c_master_send(c, &addr_agc_stat, 1); - i2c_master_recv(c, &agc_stat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); tuner_dbg("tda8290 is locked, AGC: %d\n", agc_stat); break; } else { @@ -424,28 +214,26 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) if ((agc_stat > 115) || (!(pll_stat & 0x80) && (adc_sat < 20))) { tuner_dbg("adjust gain, step 1. Agc: %d, ADC stat: %d, lock: %d\n", agc_stat, adc_sat, pll_stat & 0x80); - i2c_master_send(c, gainset_2, 2); + tuner_i2c_xfer_send(&priv->i2c_props, gainset_2, 2); msleep(100); - i2c_master_send(c, &addr_agc_stat, 1); - i2c_master_recv(c, &agc_stat, 1); - i2c_master_send(c, &addr_pll_stat, 1); - i2c_master_recv(c, &pll_stat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); if ((agc_stat > 115) || !(pll_stat & 0x80)) { tuner_dbg("adjust gain, step 2. Agc: %d, lock: %d\n", agc_stat, pll_stat & 0x80); - if (priv->tda827x_ver != 0) - tda827xa_agcf(c); - else - tda827x_agcf(c); + if (priv->cfg.agcf) + priv->cfg.agcf(fe); msleep(100); - i2c_master_send(c, &addr_agc_stat, 1); - i2c_master_recv(c, &agc_stat, 1); - i2c_master_send(c, &addr_pll_stat, 1); - i2c_master_recv(c, &pll_stat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_agc_stat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &agc_stat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); if((agc_stat > 115) || !(pll_stat & 0x80)) { tuner_dbg("adjust gain, step 3. Agc: %d\n", agc_stat); - i2c_master_send(c, adc_head_12, 2); - i2c_master_send(c, pll_bw_low, 2); + tuner_i2c_xfer_send(&priv->i2c_props, adc_head_12, 2); + tuner_i2c_xfer_send(&priv->i2c_props, pll_bw_low, 2); msleep(100); } } @@ -453,185 +241,303 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) /* l/ l' deadlock? */ if(priv->tda8290_easy_mode & 0x60) { - i2c_master_send(c, &addr_adc_sat, 1); - i2c_master_recv(c, &adc_sat, 1); - i2c_master_send(c, &addr_pll_stat, 1); - i2c_master_recv(c, &pll_stat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_adc_sat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &adc_sat, 1); + tuner_i2c_xfer_send(&priv->i2c_props, &addr_pll_stat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &pll_stat, 1); if ((adc_sat > 20) || !(pll_stat & 0x80)) { tuner_dbg("trying to resolve SECAM L deadlock\n"); - i2c_master_send(c, agc_rst_on, 2); + tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_on, 2); msleep(40); - i2c_master_send(c, agc_rst_off, 2); + tuner_i2c_xfer_send(&priv->i2c_props, agc_rst_off, 2); } } - tda8290_i2c_bridge(c, 0); - i2c_master_send(c, if_agc_set, 2); - return 0; + tda8290_i2c_bridge(fe, 0); + tuner_i2c_xfer_send(&priv->i2c_props, if_agc_set, 2); } /*---------------------------------------------------------------------*/ -static void set_audio(struct tuner *t) +static void tda8295_power(struct dvb_frontend *fe, int enable) { - struct tda8290_priv *priv = t->priv; - char* mode; + struct tda8290_priv *priv = fe->analog_demod_priv; + unsigned char buf[] = { 0x30, 0x00 }; /* clb_stdbt */ - priv->tda827x_lpsel = 0; - if (t->std & V4L2_STD_MN) { - priv->sgIF = 92; - priv->tda8290_easy_mode = 0x01; - priv->tda827x_lpsel = 1; - mode = "MN"; - } else if (t->std & V4L2_STD_B) { - priv->sgIF = 108; - priv->tda8290_easy_mode = 0x02; - mode = "B"; - } else if (t->std & V4L2_STD_GH) { - priv->sgIF = 124; - priv->tda8290_easy_mode = 0x04; - mode = "GH"; - } else if (t->std & V4L2_STD_PAL_I) { - priv->sgIF = 124; - priv->tda8290_easy_mode = 0x08; - mode = "I"; - } else if (t->std & V4L2_STD_DK) { - priv->sgIF = 124; - priv->tda8290_easy_mode = 0x10; - mode = "DK"; - } else if (t->std & V4L2_STD_SECAM_L) { - priv->sgIF = 124; - priv->tda8290_easy_mode = 0x20; - mode = "L"; - } else if (t->std & V4L2_STD_SECAM_LC) { - priv->sgIF = 20; - priv->tda8290_easy_mode = 0x40; - mode = "LC"; - } else { - priv->sgIF = 124; - priv->tda8290_easy_mode = 0x10; - mode = "xx"; + tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1); + + if (enable) + buf[1] = 0x01; + else + buf[1] = 0x03; + + tuner_i2c_xfer_send(&priv->i2c_props, buf, 2); +} + +static void tda8295_set_easy_mode(struct dvb_frontend *fe, int enable) +{ + struct tda8290_priv *priv = fe->analog_demod_priv; + unsigned char buf[] = { 0x01, 0x00 }; + + tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1); + + if (enable) + buf[1] = 0x01; /* rising edge sets regs 0x02 - 0x23 */ + else + buf[1] = 0x00; /* reset active bit */ + + tuner_i2c_xfer_send(&priv->i2c_props, buf, 2); +} + +static void tda8295_set_video_std(struct dvb_frontend *fe) +{ + struct tda8290_priv *priv = fe->analog_demod_priv; + unsigned char buf[] = { 0x00, priv->tda8290_easy_mode }; + + tuner_i2c_xfer_send(&priv->i2c_props, buf, 2); + + tda8295_set_easy_mode(fe, 1); + msleep(20); + tda8295_set_easy_mode(fe, 0); +} + +/*---------------------------------------------------------------------*/ + +static void tda8295_agc1_out(struct dvb_frontend *fe, int enable) +{ + struct tda8290_priv *priv = fe->analog_demod_priv; + unsigned char buf[] = { 0x02, 0x00 }; /* DIV_FUNC */ + + tuner_i2c_xfer_send(&priv->i2c_props, &buf[0], 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &buf[1], 1); + + if (enable) + buf[1] &= ~0x40; + else + buf[1] |= 0x40; + + tuner_i2c_xfer_send(&priv->i2c_props, buf, 2); +} + +static void tda8295_agc2_out(struct dvb_frontend *fe, int enable) +{ + struct tda8290_priv *priv = fe->analog_demod_priv; + unsigned char set_gpio_cf[] = { 0x44, 0x00 }; + unsigned char set_gpio_val[] = { 0x46, 0x00 }; + + tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_cf[0], 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_cf[1], 1); + tuner_i2c_xfer_send(&priv->i2c_props, &set_gpio_val[0], 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &set_gpio_val[1], 1); + + set_gpio_cf[1] &= 0xf0; /* clear GPIO_0 bits 3-0 */ + + if (enable) { + set_gpio_cf[1] |= 0x01; /* config GPIO_0 as Open Drain Out */ + set_gpio_val[1] &= 0xfe; /* set GPIO_0 pin low */ } - tuner_dbg("setting tda8290 to system %s\n", mode); + tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_cf, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_val, 2); } -static void set_tv_freq(struct i2c_client *c, unsigned int freq) +static int tda8295_has_signal(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); - struct tda8290_priv *priv = t->priv; + struct tda8290_priv *priv = fe->analog_demod_priv; + + unsigned char hvpll_stat = 0x26; + unsigned char ret; - set_audio(t); - tda8290_tune(c, priv->sgIF, freq); + tuner_i2c_xfer_send(&priv->i2c_props, &hvpll_stat, 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &ret, 1); + return (ret & 0x01) ? 65535 : 0; } -static void set_radio_freq(struct i2c_client *c, unsigned int freq) +/*---------------------------------------------------------------------*/ + +static void tda8295_set_params(struct dvb_frontend *fe, + struct analog_parameters *params) { - /* if frequency is 5.5 MHz */ - tda8290_tune(c, 88, freq); + struct tda8290_priv *priv = fe->analog_demod_priv; + + unsigned char blanking_mode[] = { 0x1d, 0x00 }; + + set_audio(fe, params); + + tuner_dbg("%s: freq = %d\n", __FUNCTION__, params->frequency); + + tda8295_power(fe, 1); + tda8295_agc1_out(fe, 1); + + tuner_i2c_xfer_send(&priv->i2c_props, &blanking_mode[0], 1); + tuner_i2c_xfer_recv(&priv->i2c_props, &blanking_mode[1], 1); + + tda8295_set_video_std(fe); + + blanking_mode[1] = 0x03; + tuner_i2c_xfer_send(&priv->i2c_props, blanking_mode, 2); + msleep(20); + + tda8295_i2c_bridge(fe, 1); + + if (fe->ops.tuner_ops.set_analog_params) + fe->ops.tuner_ops.set_analog_params(fe, params); + + if (priv->cfg.agcf) + priv->cfg.agcf(fe); + + if (tda8295_has_signal(fe)) + tuner_dbg("tda8295 is locked\n"); + else + tuner_dbg("tda8295 not locked, no signal?\n"); + + tda8295_i2c_bridge(fe, 0); } -static int has_signal(struct i2c_client *c) +/*---------------------------------------------------------------------*/ + +static int tda8290_has_signal(struct dvb_frontend *fe) { + struct tda8290_priv *priv = fe->analog_demod_priv; + 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); + tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc)); + tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1); return (afc & 0x80)? 65535:0; } /*---------------------------------------------------------------------*/ -static void standby(struct i2c_client *c) +static void tda8290_standby(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); - struct tda8290_priv *priv = t->priv; + struct tda8290_priv *priv = fe->analog_demod_priv; + unsigned char cb1[] = { 0x30, 0xD0 }; unsigned char tda8290_standby[] = { 0x00, 0x02 }; unsigned char tda8290_agc_tri[] = { 0x02, 0x20 }; struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=cb1, .len = 2}; - tda8290_i2c_bridge(c, 1); - if (priv->tda827x_ver != 0) + tda8290_i2c_bridge(fe, 1); + if (priv->ver & TDA8275A) cb1[1] = 0x90; - i2c_transfer(c->adapter, &msg, 1); - tda8290_i2c_bridge(c, 0); - i2c_master_send(c, tda8290_agc_tri, 2); - i2c_master_send(c, tda8290_standby, 2); + i2c_transfer(priv->i2c_props.adap, &msg, 1); + tda8290_i2c_bridge(fe, 0); + tuner_i2c_xfer_send(&priv->i2c_props, tda8290_agc_tri, 2); + tuner_i2c_xfer_send(&priv->i2c_props, tda8290_standby, 2); } +static void tda8295_standby(struct dvb_frontend *fe) +{ + tda8295_agc1_out(fe, 0); /* Put AGC in tri-state */ + + tda8295_power(fe, 0); +} -static void tda8290_init_if(struct i2c_client *c) +static void tda8290_init_if(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); + struct tda8290_priv *priv = fe->analog_demod_priv; + unsigned char set_VS[] = { 0x30, 0x6F }; unsigned char set_GP00_CF[] = { 0x20, 0x01 }; unsigned char set_GP01_CF[] = { 0x20, 0x0B }; - if ((t->config == 1) || (t->config == 2)) - i2c_master_send(c, set_GP00_CF, 2); + if ((priv->cfg.config) && + ((*priv->cfg.config == 1) || (*priv->cfg.config == 2))) + tuner_i2c_xfer_send(&priv->i2c_props, set_GP00_CF, 2); else - i2c_master_send(c, set_GP01_CF, 2); - i2c_master_send(c, set_VS, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_GP01_CF, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_VS, 2); +} + +static void tda8295_init_if(struct dvb_frontend *fe) +{ + struct tda8290_priv *priv = fe->analog_demod_priv; + + static unsigned char set_adc_ctl[] = { 0x33, 0x14 }; + static unsigned char set_adc_ctl2[] = { 0x34, 0x00 }; + static unsigned char set_pll_reg6[] = { 0x3e, 0x63 }; + static unsigned char set_pll_reg0[] = { 0x38, 0x23 }; + static unsigned char set_pll_reg7[] = { 0x3f, 0x01 }; + static unsigned char set_pll_reg10[] = { 0x42, 0x61 }; + static unsigned char set_gpio_reg0[] = { 0x44, 0x0b }; + + tda8295_power(fe, 1); + + tda8295_set_easy_mode(fe, 0); + tda8295_set_video_std(fe); + + tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_adc_ctl2, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg6, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg0, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg7, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_pll_reg10, 2); + tuner_i2c_xfer_send(&priv->i2c_props, set_gpio_reg0, 2); + + tda8295_agc1_out(fe, 0); + tda8295_agc2_out(fe, 0); } -static void tda8290_init_tuner(struct i2c_client *c) +static void tda8290_init_tuner(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); - struct tda8290_priv *priv = t->priv; + struct tda8290_priv *priv = fe->analog_demod_priv; unsigned char tda8275_init[] = { 0x00, 0x00, 0x00, 0x40, 0xdC, 0x04, 0xAf, 0x3F, 0x2A, 0x04, 0xFF, 0x00, 0x00, 0x40 }; unsigned char tda8275a_init[] = { 0x00, 0x00, 0x00, 0x00, 0xdC, 0x05, 0x8b, 0x0c, 0x04, 0x20, 0xFF, 0x00, 0x00, 0x4b }; struct i2c_msg msg = {.addr = priv->tda827x_addr, .flags=0, .buf=tda8275_init, .len = 14}; - if (priv->tda827x_ver != 0) + if (priv->ver & TDA8275A) msg.buf = tda8275a_init; - tda8290_i2c_bridge(c, 1); - i2c_transfer(c->adapter, &msg, 1); - tda8290_i2c_bridge(c, 0); + tda8290_i2c_bridge(fe, 1); + i2c_transfer(priv->i2c_props.adap, &msg, 1); + tda8290_i2c_bridge(fe, 0); } /*---------------------------------------------------------------------*/ -static void tda8290_release(struct i2c_client *c) +static void tda829x_release(struct dvb_frontend *fe) { - struct tuner *t = i2c_get_clientdata(c); + struct tda8290_priv *priv = fe->analog_demod_priv; + + /* only try to release the tuner if we've + * attached it from within this module */ + if (priv->ver & (TDA18271 | TDA8275 | TDA8275A)) + if (fe->ops.tuner_ops.release) + fe->ops.tuner_ops.release(fe); - kfree(t->priv); - t->priv = NULL; + kfree(fe->analog_demod_priv); + fe->analog_demod_priv = NULL; } -static struct tuner_operations tda8290_tuner_ops = { - .set_tv_freq = set_tv_freq, - .set_radio_freq = set_radio_freq, - .has_signal = has_signal, - .standby = standby, - .release = tda8290_release, +static struct tda18271_config tda829x_tda18271_config = { + .gate = TDA18271_GATE_ANALOG, }; -int tda8290_init(struct i2c_client *c) +static int tda829x_find_tuner(struct dvb_frontend *fe) { - struct tda8290_priv *priv = NULL; - struct tuner *t = i2c_get_clientdata(c); - u8 data; + struct tda8290_priv *priv = fe->analog_demod_priv; + struct analog_demod_ops *analog_ops = &fe->ops.analog_ops; int i, ret, tuners_found; u32 tuner_addrs; - struct i2c_msg msg = {.flags=I2C_M_RD, .buf=&data, .len = 1}; + u8 data; + struct i2c_msg msg = { .flags = I2C_M_RD, .buf = &data, .len = 1 }; - priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL); - if (priv == NULL) - return -ENOMEM; - t->priv = priv; + if (NULL == analog_ops->i2c_gate_ctrl) + return -EINVAL; + + analog_ops->i2c_gate_ctrl(fe, 1); - tda8290_i2c_bridge(c, 1); /* probe for tuner chip */ tuners_found = 0; tuner_addrs = 0; - for (i=0x60; i<= 0x63; i++) { + for (i = 0x60; i <= 0x63; i++) { msg.addr = i; - ret = i2c_transfer(c->adapter, &msg, 1); + ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); if (ret == 1) { tuners_found++; tuner_addrs = (tuner_addrs << 8) + i; @@ -641,75 +547,255 @@ int tda8290_init(struct i2c_client *c) behind the bridge and we choose the highest address that doesn't give a response now */ - tda8290_i2c_bridge(c, 0); - if(tuners_found > 1) + + analog_ops->i2c_gate_ctrl(fe, 0); + + if (tuners_found > 1) for (i = 0; i < tuners_found; i++) { msg.addr = tuner_addrs & 0xff; - ret = i2c_transfer(c->adapter, &msg, 1); - if(ret == 1) + ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); + if (ret == 1) tuner_addrs = tuner_addrs >> 8; else break; } + if (tuner_addrs == 0) { - tuner_addrs = 0x61; - tuner_info ("could not clearly identify tuner address, defaulting to %x\n", - tuner_addrs); + tuner_addrs = 0x60; + tuner_info("could not clearly identify tuner address, " + "defaulting to %x\n", tuner_addrs); } else { tuner_addrs = tuner_addrs & 0xff; - tuner_info ("setting tuner address to %x\n", tuner_addrs); + tuner_info("setting tuner address to %x\n", tuner_addrs); } priv->tda827x_addr = tuner_addrs; msg.addr = tuner_addrs; - tda8290_i2c_bridge(c, 1); - ret = i2c_transfer(c->adapter, &msg, 1); - if( ret != 1) - tuner_warn ("TDA827x access failed!\n"); - if ((data & 0x3c) == 0) { - strlcpy(c->name, "tda8290+75", sizeof(c->name)); - priv->tda827x_ver = 0; + analog_ops->i2c_gate_ctrl(fe, 1); + ret = i2c_transfer(priv->i2c_props.adap, &msg, 1); + + if (ret != 1) { + tuner_warn("tuner access failed!\n"); + return -EREMOTEIO; + } + + if ((data == 0x83) || (data == 0x84)) { + priv->ver |= TDA18271; + tda18271_attach(fe, priv->tda827x_addr, + priv->i2c_props.adap, + &tda829x_tda18271_config); } else { - strlcpy(c->name, "tda8290+75a", sizeof(c->name)); - priv->tda827x_ver = 2; + if ((data & 0x3c) == 0) + priv->ver |= TDA8275; + else + priv->ver |= TDA8275A; + + tda827x_attach(fe, priv->tda827x_addr, + priv->i2c_props.adap, &priv->cfg); } - tuner_info("type set to %s\n", c->name); + if (fe->ops.tuner_ops.init) + fe->ops.tuner_ops.init(fe); - memcpy(&t->ops, &tda8290_tuner_ops, sizeof(struct tuner_operations)); + if (fe->ops.tuner_ops.sleep) + fe->ops.tuner_ops.sleep(fe); - priv->tda827x_lpsel = 0; - t->mode = V4L2_TUNER_ANALOG_TV; + analog_ops->i2c_gate_ctrl(fe, 0); - tda8290_init_tuner(c); - tda8290_init_if(c); return 0; } -int tda8290_probe(struct i2c_client *c) +static int tda8290_probe(struct tuner_i2c_props *i2c_props) +{ +#define TDA8290_ID 0x89 + unsigned char tda8290_id[] = { 0x1f, 0x00 }; + + /* detect tda8290 */ + tuner_i2c_xfer_send(i2c_props, &tda8290_id[0], 1); + tuner_i2c_xfer_recv(i2c_props, &tda8290_id[1], 1); + + if (tda8290_id[1] == TDA8290_ID) { + if (debug) + printk(KERN_DEBUG "%s: tda8290 detected @ %d-%04x\n", + __FUNCTION__, i2c_adapter_id(i2c_props->adap), + i2c_props->addr); + return 0; + } + + return -ENODEV; +} + +static int tda8295_probe(struct tuner_i2c_props *i2c_props) +{ +#define TDA8295_ID 0x8a + unsigned char tda8295_id[] = { 0x2f, 0x00 }; + + /* detect tda8295 */ + tuner_i2c_xfer_send(i2c_props, &tda8295_id[0], 1); + tuner_i2c_xfer_recv(i2c_props, &tda8295_id[1], 1); + + if (tda8295_id[1] == TDA8295_ID) { + if (debug) + printk(KERN_DEBUG "%s: tda8295 detected @ %d-%04x\n", + __FUNCTION__, i2c_adapter_id(i2c_props->adap), + i2c_props->addr); + return 0; + } + + return -ENODEV; +} + +static struct analog_demod_ops tda8290_ops = { + .set_params = tda8290_set_params, + .has_signal = tda8290_has_signal, + .standby = tda8290_standby, + .release = tda829x_release, + .i2c_gate_ctrl = tda8290_i2c_bridge, +}; + +static struct analog_demod_ops tda8295_ops = { + .set_params = tda8295_set_params, + .has_signal = tda8295_has_signal, + .standby = tda8295_standby, + .release = tda829x_release, + .i2c_gate_ctrl = tda8295_i2c_bridge, +}; + +struct dvb_frontend *tda829x_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c_adap, u8 i2c_addr, + struct tda829x_config *cfg) +{ + struct tda8290_priv *priv = NULL; + char *name; + + priv = kzalloc(sizeof(struct tda8290_priv), GFP_KERNEL); + if (priv == NULL) + return NULL; + fe->analog_demod_priv = priv; + + priv->i2c_props.addr = i2c_addr; + priv->i2c_props.adap = i2c_adap; + if (cfg) { + priv->cfg.config = cfg->lna_cfg; + priv->cfg.tuner_callback = cfg->tuner_callback; + } + + if (tda8290_probe(&priv->i2c_props) == 0) { + priv->ver = TDA8290; + memcpy(&fe->ops.analog_ops, &tda8290_ops, + sizeof(struct analog_demod_ops)); + } + + if (tda8295_probe(&priv->i2c_props) == 0) { + priv->ver = TDA8295; + memcpy(&fe->ops.analog_ops, &tda8295_ops, + sizeof(struct analog_demod_ops)); + } + + if ((!(cfg) || (TDA829X_PROBE_TUNER == cfg->probe_tuner)) && + (tda829x_find_tuner(fe) < 0)) + goto fail; + + switch (priv->ver) { + case TDA8290: + name = "tda8290"; + break; + case TDA8295: + name = "tda8295"; + break; + case TDA8290 | TDA8275: + name = "tda8290+75"; + break; + case TDA8295 | TDA8275: + name = "tda8295+75"; + break; + case TDA8290 | TDA8275A: + name = "tda8290+75a"; + break; + case TDA8295 | TDA8275A: + name = "tda8295+75a"; + break; + case TDA8290 | TDA18271: + name = "tda8290+18271"; + break; + case TDA8295 | TDA18271: + name = "tda8295+18271"; + break; + default: + goto fail; + } + tuner_info("type set to %s\n", name); + + fe->ops.analog_ops.info.name = name; + + if (priv->ver & TDA8290) { + tda8290_init_tuner(fe); + tda8290_init_if(fe); + } else if (priv->ver & TDA8295) + tda8295_init_if(fe); + + return fe; + +fail: + tda829x_release(fe); + return NULL; +} +EXPORT_SYMBOL_GPL(tda829x_attach); + +int tda829x_probe(struct i2c_adapter *i2c_adap, u8 i2c_addr) { + struct tuner_i2c_props i2c_props = { + .adap = i2c_adap, + .addr = i2c_addr, + }; + unsigned char soft_reset[] = { 0x00, 0x00 }; unsigned char easy_mode_b[] = { 0x01, 0x02 }; unsigned char easy_mode_g[] = { 0x01, 0x04 }; unsigned char restore_9886[] = { 0x00, 0xd6, 0x30 }; unsigned char addr_dto_lsb = 0x07; unsigned char data; +#define PROBE_BUFFER_SIZE 8 + unsigned char buf[PROBE_BUFFER_SIZE]; + int i; + + /* rule out tda9887, which would return the same byte repeatedly */ + tuner_i2c_xfer_send(&i2c_props, soft_reset, 1); + tuner_i2c_xfer_recv(&i2c_props, buf, PROBE_BUFFER_SIZE); + for (i = 1; i < PROBE_BUFFER_SIZE; i++) { + if (buf[i] != buf[0]) + break; + } - i2c_master_send(c, easy_mode_b, 2); - i2c_master_send(c, soft_reset, 2); - i2c_master_send(c, &addr_dto_lsb, 1); - i2c_master_recv(c, &data, 1); + /* all bytes are equal, not a tda829x - probably a tda9887 */ + if (i == PROBE_BUFFER_SIZE) + return -ENODEV; + + if ((tda8290_probe(&i2c_props) == 0) || + (tda8295_probe(&i2c_props) == 0)) + return 0; + + /* fall back to old probing method */ + tuner_i2c_xfer_send(&i2c_props, easy_mode_b, 2); + tuner_i2c_xfer_send(&i2c_props, soft_reset, 2); + tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1); + tuner_i2c_xfer_recv(&i2c_props, &data, 1); if (data == 0) { - i2c_master_send(c, easy_mode_g, 2); - i2c_master_send(c, soft_reset, 2); - i2c_master_send(c, &addr_dto_lsb, 1); - i2c_master_recv(c, &data, 1); + tuner_i2c_xfer_send(&i2c_props, easy_mode_g, 2); + tuner_i2c_xfer_send(&i2c_props, soft_reset, 2); + tuner_i2c_xfer_send(&i2c_props, &addr_dto_lsb, 1); + tuner_i2c_xfer_recv(&i2c_props, &data, 1); if (data == 0x7b) { return 0; } } - i2c_master_send(c, restore_9886, 3); - return -1; + tuner_i2c_xfer_send(&i2c_props, restore_9886, 3); + return -ENODEV; } +EXPORT_SYMBOL_GPL(tda829x_probe); + +MODULE_DESCRIPTION("Philips/NXP TDA8290/TDA8295 analog IF demodulator driver"); +MODULE_AUTHOR("Gerd Knorr, Hartmut Hackmann, Michael Krufky"); +MODULE_LICENSE("GPL"); /* * Overrides for Emacs so that we follow Linus's tabbing style.