/*
- *
* i2c tv tuner chip device driver
* controls all those simple 4-control-bytes style tuners.
+ *
+ * This "tuner-simple" module was split apart from the original "tuner" module.
*/
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/videodev.h>
#include <media/tuner.h>
+#include <media/v4l2-common.h>
+#include <media/tuner-types.h>
+#include "tuner-i2c.h"
+#include "tuner-simple.h"
+
+static int debug = 0;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable verbose debug messages");
+
+#define PREFIX "tuner-simple"
static int offset = 0;
-module_param(offset, int, 0666);
+module_param(offset, int, 0664);
MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
/* ---------------------------------------------------------------------- */
sound 2 33.16 - -
NICAM 33.05 33.05 39.80
*/
-#define PHILIPS_MF_SET_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
-#define PHILIPS_MF_SET_PAL_L 0x03 // France
-#define PHILIPS_MF_SET_PAL_L2 0x02 // L'
+#define PHILIPS_MF_SET_STD_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
+#define PHILIPS_MF_SET_STD_L 0x03 /* Used on Secam France */
+#define PHILIPS_MF_SET_STD_LC 0x02 /* Used on SECAM L' */
/* Control byte */
#define TUNER_PLL_LOCKED 0x40
#define TUNER_STEREO_MK3 0x04
-#define TUNER_PARAM_ANALOG 0 /* to be removed */
-/* FIXME:
- * Right now, all tuners are using the first tuner_params[] array element
- * for analog mode. In the future, we will be merging similar tuner
- * definitions together, such that each tuner definition will have a
- * tuner_params struct for each available video standard. At that point,
- * TUNER_PARAM_ANALOG will be removed, and the tuner_params[] array
- * element will be chosen based on the video standard in use.
- *
- */
+struct tuner_simple_priv {
+ u16 last_div;
+ struct tuner_i2c_props i2c_props;
+
+ unsigned int type;
+ struct tunertype *tun;
+
+ u32 frequency;
+};
/* ---------------------------------------------------------------------- */
-static int tuner_getstatus(struct i2c_client *c)
+static int tuner_read_status(struct dvb_frontend *fe)
{
+ struct tuner_simple_priv *priv = fe->tuner_priv;
unsigned char byte;
- if (1 != i2c_master_recv(c,&byte,1))
+ if (1 != tuner_i2c_xfer_recv(&priv->i2c_props,&byte,1))
return 0;
return byte;
}
-static int tuner_signal(struct i2c_client *c)
+static inline int tuner_signal(const int status)
{
- return (tuner_getstatus(c) & TUNER_SIGNAL) << 13;
+ return (status & TUNER_SIGNAL) << 13;
}
-static int tuner_stereo(struct i2c_client *c)
+static inline int tuner_stereo(const int type, const int status)
{
- int stereo, status;
- struct tuner *t = i2c_get_clientdata(c);
-
- status = tuner_getstatus (c);
-
- switch (t->type) {
+ switch (type) {
case TUNER_PHILIPS_FM1216ME_MK3:
- case TUNER_PHILIPS_FM1236_MK3:
+ case TUNER_PHILIPS_FM1236_MK3:
case TUNER_PHILIPS_FM1256_IH3:
- stereo = ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
- break;
+ case TUNER_LG_NTSC_TAPE:
+ return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
default:
- stereo = status & TUNER_STEREO;
+ return status & TUNER_STEREO;
}
+}
- return stereo;
+static inline int tuner_islocked(const int status)
+{
+ return (status & TUNER_FL);
}
+static inline int tuner_afcstatus(const int status)
+{
+ return (status & TUNER_AFC) - 2;
+}
+
+
+static int simple_get_status(struct dvb_frontend *fe, u32 *status)
+{
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+ int tuner_status = tuner_read_status(fe);
+
+ *status = 0;
+
+ if (tuner_islocked(tuner_status))
+ *status = TUNER_STATUS_LOCKED;
+ if (tuner_stereo(priv->type, tuner_status))
+ *status |= TUNER_STATUS_STEREO;
+
+ tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status));
+
+ return 0;
+}
+
+static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
+{
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+ int signal = tuner_signal(tuner_read_status(fe));
+
+ *strength = signal;
+
+ tuner_dbg("Signal strength: %d\n", signal);
+
+ return 0;
+}
/* ---------------------------------------------------------------------- */
-static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
+static int simple_set_tv_freq(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tuner *t = i2c_get_clientdata(c);
- u8 config, tuneraddr;
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+ u8 config, cb, tuneraddr;
u16 div;
struct tunertype *tun;
- unsigned char buffer[4];
+ u8 buffer[4];
int rc, IFPCoff, i, j;
+ enum param_type desired_type;
+ struct tuner_params *t_params;
- tun = &tuners[t->type];
- j = TUNER_PARAM_ANALOG;
+ tun = priv->tun;
- for (i = 0; i < tun->params[j].count; i++) {
- if (freq > tun->params[j].ranges[i].limit)
+ /* IFPCoff = Video Intermediate Frequency - Vif:
+ 940 =16*58.75 NTSC/J (Japan)
+ 732 =16*45.75 M/N STD
+ 704 =16*44 ATSC (at DVB code)
+ 632 =16*39.50 I U.K.
+ 622.4=16*38.90 B/G D/K I, L STD
+ 592 =16*37.00 D China
+ 590 =16.36.875 B Australia
+ 543.2=16*33.95 L' STD
+ 171.2=16*10.70 FM Radio (at set_radio_freq)
+ */
+
+ if (params->std == V4L2_STD_NTSC_M_JP) {
+ IFPCoff = 940;
+ desired_type = TUNER_PARAM_TYPE_NTSC;
+ } else if ((params->std & V4L2_STD_MN) &&
+ !(params->std & ~V4L2_STD_MN)) {
+ IFPCoff = 732;
+ desired_type = TUNER_PARAM_TYPE_NTSC;
+ } else if (params->std == V4L2_STD_SECAM_LC) {
+ IFPCoff = 543;
+ desired_type = TUNER_PARAM_TYPE_SECAM;
+ } else {
+ IFPCoff = 623;
+ desired_type = TUNER_PARAM_TYPE_PAL;
+ }
+
+ for (j = 0; j < tun->count-1; j++) {
+ if (desired_type != tun->params[j].type)
continue;
break;
}
- config = tun->params[j].ranges[i].cb;
- /* i == 0 -> VHF_LO */
- /* i == 1 -> VHF_HI */
- /* i == 2 -> UHF */
- tuner_dbg("tv: range %d\n",i);
+ /* use default tuner_t_params if desired_type not available */
+ if (desired_type != tun->params[j].type) {
+ tuner_dbg("IFPCoff = %d: tuner_t_params undefined for tuner %d\n",
+ IFPCoff, priv->type);
+ j = 0;
+ }
+ t_params = &tun->params[j];
+
+ for (i = 0; i < t_params->count; i++) {
+ if (params->frequency > t_params->ranges[i].limit)
+ continue;
+ break;
+ }
+ if (i == t_params->count) {
+ tuner_dbg("TV frequency out of range (%d > %d)",
+ params->frequency, t_params->ranges[i - 1].limit);
+ params->frequency = t_params->ranges[--i].limit;
+ }
+ config = t_params->ranges[i].config;
+ cb = t_params->ranges[i].cb;
+ /* i == 0 -> VHF_LO
+ * i == 1 -> VHF_HI
+ * i == 2 -> UHF */
+ tuner_dbg("tv: param %d, range %d\n",j,i);
+
+ div=params->frequency + IFPCoff + offset;
+
+ tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
+ params->frequency / 16, params->frequency % 16 * 100 / 16,
+ IFPCoff / 16, IFPCoff % 16 * 100 / 16,
+ offset / 16, offset % 16 * 100 / 16,
+ div);
/* tv norm specific stuff for multi-norm tuners */
- switch (t->type) {
+ switch (priv->type) {
case TUNER_PHILIPS_SECAM: // FI1216MF
/* 0x01 -> ??? no change ??? */
/* 0x02 -> PAL BDGHI / SECAM L */
/* 0x04 -> ??? PAL others / SECAM others ??? */
- config &= ~0x02;
- if (t->std & V4L2_STD_SECAM)
- config |= 0x02;
+ cb &= ~0x03;
+ if (params->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM
+ cb |= PHILIPS_MF_SET_STD_L;
+ else if (params->std & V4L2_STD_SECAM_LC)
+ cb |= PHILIPS_MF_SET_STD_LC;
+ else /* V4L2_STD_B|V4L2_STD_GH */
+ cb |= PHILIPS_MF_SET_STD_BG;
break;
case TUNER_TEMIC_4046FM5:
- config &= ~0x0f;
+ cb &= ~0x0f;
- if (t->std & V4L2_STD_PAL_BG) {
- config |= TEMIC_SET_PAL_BG;
+ if (params->std & V4L2_STD_PAL_BG) {
+ cb |= TEMIC_SET_PAL_BG;
- } else if (t->std & V4L2_STD_PAL_I) {
- config |= TEMIC_SET_PAL_I;
+ } else if (params->std & V4L2_STD_PAL_I) {
+ cb |= TEMIC_SET_PAL_I;
- } else if (t->std & V4L2_STD_PAL_DK) {
- config |= TEMIC_SET_PAL_DK;
+ } else if (params->std & V4L2_STD_PAL_DK) {
+ cb |= TEMIC_SET_PAL_DK;
- } else if (t->std & V4L2_STD_SECAM_L) {
- config |= TEMIC_SET_PAL_L;
+ } else if (params->std & V4L2_STD_SECAM_L) {
+ cb |= TEMIC_SET_PAL_L;
}
break;
case TUNER_PHILIPS_FQ1216ME:
- config &= ~0x0f;
+ cb &= ~0x0f;
- if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
- config |= PHILIPS_SET_PAL_BGDK;
+ if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
+ cb |= PHILIPS_SET_PAL_BGDK;
- } else if (t->std & V4L2_STD_PAL_I) {
- config |= PHILIPS_SET_PAL_I;
+ } else if (params->std & V4L2_STD_PAL_I) {
+ cb |= PHILIPS_SET_PAL_I;
- } else if (t->std & V4L2_STD_SECAM_L) {
- config |= PHILIPS_SET_PAL_L;
+ } else if (params->std & V4L2_STD_SECAM_L) {
+ cb |= PHILIPS_SET_PAL_L;
}
break;
/* 0x01 -> ATSC antenna input 2 */
/* 0x02 -> NTSC antenna input 1 */
/* 0x03 -> NTSC antenna input 2 */
- config &= ~0x03;
- if (!(t->std & V4L2_STD_ATSC))
- config |= 2;
+ cb &= ~0x03;
+ if (!(params->std & V4L2_STD_ATSC))
+ cb |= 2;
/* FIXME: input */
break;
case TUNER_MICROTUNE_4042FI5:
/* Set the charge pump for fast tuning */
- tun->params[j].config |= TUNER_CHARGE_PUMP;
+ config |= TUNER_CHARGE_PUMP;
break;
case TUNER_PHILIPS_TUV1236D:
buffer[1] = 0x00;
buffer[2] = 0x17;
buffer[3] = 0x00;
- config &= ~0x40;
- if (t->std & V4L2_STD_ATSC) {
- config |= 0x40;
+ cb &= ~0x40;
+ if (params->std & V4L2_STD_ATSC) {
+ cb |= 0x40;
buffer[1] = 0x04;
}
/* set to the correct mode (analog or digital) */
- tuneraddr = c->addr;
- c->addr = 0x0a;
- if (2 != (rc = i2c_master_send(c,&buffer[0],2)))
+ tuneraddr = priv->i2c_props.addr;
+ priv->i2c_props.addr = 0x0a;
+ if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,&buffer[0],2)))
tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
- if (2 != (rc = i2c_master_send(c,&buffer[2],2)))
+ if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,&buffer[2],2)))
tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
- c->addr = tuneraddr;
+ priv->i2c_props.addr = tuneraddr;
/* FIXME: input */
break;
}
- /*
- * Philips FI1216MK2 remark from specification :
- * for channel selection involving band switching, and to ensure
- * smooth tuning to the desired channel without causing
- * unnecessary charge pump action, it is recommended to consider
- * the difference between wanted channel frequency and the
- * current channel frequency. Unnecessary charge pump action
- * will result in very low tuning voltage which may drive the
- * oscillator to extreme conditions.
- *
- * Progfou: specification says to send config data before
- * frequency in case (wanted frequency < current frequency).
- */
-
- /* IFPCoff = Video Intermediate Frequency - Vif:
- 940 =16*58.75 NTSC/J (Japan)
- 732 =16*45.75 M/N STD
- 704 =16*44 ATSC (at DVB code)
- 632 =16*39.50 I U.K.
- 622.4=16*38.90 B/G D/K I, L STD
- 592 =16*37.00 D China
- 590 =16.36.875 B Australia
- 543.2=16*33.95 L' STD
- 171.2=16*10.70 FM Radio (at set_radio_freq)
- */
-
- if (t->std == V4L2_STD_NTSC_M_JP) {
- IFPCoff = 940;
- } else if ((t->std & V4L2_STD_MN) &&
- !(t->std & ~V4L2_STD_MN)) {
- IFPCoff = 732;
- } else if (t->std == V4L2_STD_SECAM_LC) {
- IFPCoff = 543;
- } else {
- IFPCoff = 623;
- }
-
- div=freq + IFPCoff + offset;
-
- tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
- freq / 16, freq % 16 * 100 / 16,
- IFPCoff / 16, IFPCoff % 16 * 100 / 16,
- offset / 16, offset % 16 * 100 / 16,
- div);
-
- if (t->type == TUNER_PHILIPS_SECAM && freq < t->freq) {
- buffer[0] = tun->params[j].config;
- buffer[1] = config;
+ if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
+ buffer[0] = config;
+ buffer[1] = cb;
buffer[2] = (div>>8) & 0x7f;
buffer[3] = div & 0xff;
} else {
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
- buffer[2] = tun->params[j].config;
- buffer[3] = config;
+ buffer[2] = config;
+ buffer[3] = cb;
+ }
+ priv->last_div = div;
+ if (t_params->has_tda9887) {
+ struct v4l2_priv_tun_config tda9887_cfg;
+ int config = 0;
+ int is_secam_l = (params->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) &&
+ !(params->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC));
+
+ tda9887_cfg.tuner = TUNER_TDA9887;
+ tda9887_cfg.priv = &config;
+
+ if (params->std == V4L2_STD_SECAM_LC) {
+ if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
+ config |= TDA9887_PORT1_ACTIVE;
+ if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
+ config |= TDA9887_PORT2_ACTIVE;
+ }
+ else {
+ if (t_params->port1_active)
+ config |= TDA9887_PORT1_ACTIVE;
+ if (t_params->port2_active)
+ config |= TDA9887_PORT2_ACTIVE;
+ }
+ if (t_params->intercarrier_mode)
+ config |= TDA9887_INTERCARRIER;
+ if (is_secam_l) {
+ if (i == 0 && t_params->default_top_secam_low)
+ config |= TDA9887_TOP(t_params->default_top_secam_low);
+ else if (i == 1 && t_params->default_top_secam_mid)
+ config |= TDA9887_TOP(t_params->default_top_secam_mid);
+ else if (t_params->default_top_secam_high)
+ config |= TDA9887_TOP(t_params->default_top_secam_high);
+ }
+ else {
+ if (i == 0 && t_params->default_top_low)
+ config |= TDA9887_TOP(t_params->default_top_low);
+ else if (i == 1 && t_params->default_top_mid)
+ config |= TDA9887_TOP(t_params->default_top_mid);
+ else if (t_params->default_top_high)
+ config |= TDA9887_TOP(t_params->default_top_high);
+ }
+ if (t_params->default_pll_gating_18)
+ config |= TDA9887_GATING_18;
+ i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
+ &tda9887_cfg);
}
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
- if (4 != (rc = i2c_master_send(c,buffer,4)))
+ if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,4)))
tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
- if (t->type == TUNER_MICROTUNE_4042FI5) {
+ switch (priv->type) {
+ case TUNER_LG_TDVS_H06XF:
+ /* Set the Auxiliary Byte. */
+ buffer[0] = buffer[2];
+ buffer[0] &= ~0x20;
+ buffer[0] |= 0x18;
+ buffer[1] = 0x20;
+ tuner_dbg("tv 0x%02x 0x%02x\n",buffer[0],buffer[1]);
+
+ if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,2)))
+ tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
+ break;
+ case TUNER_MICROTUNE_4042FI5:
+ {
// FIXME - this may also work for other tuners
unsigned long timeout = jiffies + msecs_to_jiffies(1);
u8 status_byte = 0;
/* Wait until the PLL locks */
for (;;) {
if (time_after(jiffies,timeout))
- return;
- if (1 != (rc = i2c_master_recv(c,&status_byte,1))) {
+ return 0;
+ if (1 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props,&status_byte,1))) {
tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc);
break;
}
}
/* Set the charge pump for optimized phase noise figure */
- tun->params[j].config &= ~TUNER_CHARGE_PUMP;
+ config &= ~TUNER_CHARGE_PUMP;
buffer[0] = (div>>8) & 0x7f;
buffer[1] = div & 0xff;
- buffer[2] = tun->params[j].config;
- buffer[3] = config;
+ buffer[2] = config;
+ buffer[3] = cb;
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
- buffer[0],buffer[1],buffer[2],buffer[3]);
+ buffer[0],buffer[1],buffer[2],buffer[3]);
- if (4 != (rc = i2c_master_send(c,buffer,4)))
+ if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,4)))
tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
+ break;
}
+ }
+ return 0;
}
-static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
+static int simple_set_radio_freq(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
struct tunertype *tun;
- struct tuner *t = i2c_get_clientdata(c);
- unsigned char buffer[4];
- unsigned div;
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+ u8 buffer[4];
+ u16 div;
int rc, j;
+ struct tuner_params *t_params;
+ unsigned int freq = params->frequency;
- tun = &tuners[t->type];
- j = TUNER_PARAM_ANALOG;
+ tun = priv->tun;
+
+ for (j = tun->count-1; j > 0; j--)
+ if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
+ break;
+ /* default t_params (j=0) will be used if desired type wasn't found */
+ t_params = &tun->params[j];
- div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
- buffer[2] = (tun->params[j].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
+ /* Select Radio 1st IF used */
+ switch (t_params->radio_if) {
+ case 0: /* 10.7 MHz */
+ freq += (unsigned int)(10.7*16000);
+ break;
+ case 1: /* 33.3 MHz */
+ freq += (unsigned int)(33.3*16000);
+ break;
+ case 2: /* 41.3 MHz */
+ freq += (unsigned int)(41.3*16000);
+ break;
+ default:
+ tuner_warn("Unsupported radio_if value %d\n", t_params->radio_if);
+ return 0;
+ }
- switch (t->type) {
+ /* Bandswitch byte */
+ switch (priv->type) {
case TUNER_TENA_9533_DI:
case TUNER_YMEC_TVF_5533MF:
- tuner_dbg ("This tuner doesn't have FM. Most cards has a TEA5767 for FM\n");
- return;
+ tuner_dbg("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n");
+ return 0;
case TUNER_PHILIPS_FM1216ME_MK3:
case TUNER_PHILIPS_FM1236_MK3:
case TUNER_PHILIPS_FMD1216ME_MK3:
- buffer[3] = 0x19;
- break;
+ case TUNER_LG_NTSC_TAPE:
case TUNER_PHILIPS_FM1256_IH3:
- div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
buffer[3] = 0x19;
break;
+ case TUNER_TNF_5335MF:
+ buffer[3] = 0x11;
+ break;
case TUNER_LG_PAL_FM:
buffer[3] = 0xa5;
break;
- case TUNER_MICROTUNE_4049FM5:
- div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
- buffer[3] = 0xa4;
+ case TUNER_THOMSON_DTT761X:
+ buffer[3] = 0x39;
break;
+ case TUNER_MICROTUNE_4049FM5:
default:
buffer[3] = 0xa4;
break;
}
- buffer[0] = (div>>8) & 0x7f;
- buffer[1] = div & 0xff;
+
+ buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
+ TUNER_RATIO_SELECT_50; /* 50 kHz step */
+
+ /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
+ freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
+ freq * (1/800) */
+ div = (freq + 400) / 800;
+
+ if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
+ buffer[0] = buffer[2];
+ buffer[1] = buffer[3];
+ buffer[2] = (div>>8) & 0x7f;
+ buffer[3] = div & 0xff;
+ } else {
+ buffer[0] = (div>>8) & 0x7f;
+ buffer[1] = div & 0xff;
+ }
tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
-
- if (4 != (rc = i2c_master_send(c,buffer,4)))
+ priv->last_div = div;
+
+ if (t_params->has_tda9887) {
+ int config = 0;
+ struct v4l2_priv_tun_config tda9887_cfg;
+
+ tda9887_cfg.tuner = TUNER_TDA9887;
+ tda9887_cfg.priv = &config;
+
+ if (t_params->port1_active && !t_params->port1_fm_high_sensitivity)
+ config |= TDA9887_PORT1_ACTIVE;
+ if (t_params->port2_active && !t_params->port2_fm_high_sensitivity)
+ config |= TDA9887_PORT2_ACTIVE;
+ if (t_params->intercarrier_mode)
+ config |= TDA9887_INTERCARRIER;
+/* if (t_params->port1_set_for_fm_mono)
+ config &= ~TDA9887_PORT1_ACTIVE;*/
+ if (t_params->fm_gain_normal)
+ config |= TDA9887_GAIN_NORMAL;
+ if (t_params->radio_if == 2)
+ config |= TDA9887_RIF_41_3;
+ i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
+ &tda9887_cfg);
+ }
+ if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,4)))
tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
+
+ return 0;
}
-int default_tuner_init(struct i2c_client *c)
+static int simple_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
{
- struct tuner *t = i2c_get_clientdata(c);
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+ int ret = -EINVAL;
+
+ switch (params->mode) {
+ case V4L2_TUNER_RADIO:
+ ret = simple_set_radio_freq(fe, params);
+ priv->frequency = params->frequency * 125 / 2;
+ break;
+ case V4L2_TUNER_ANALOG_TV:
+ case V4L2_TUNER_DIGITAL_TV:
+ ret = simple_set_tv_freq(fe, params);
+ priv->frequency = params->frequency * 62500;
+ break;
+ }
+
+ return ret;
+}
- tuner_info("type set to %d (%s)\n",
- t->type, tuners[t->type].name);
- strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
- t->tv_freq = default_set_tv_freq;
- t->radio_freq = default_set_radio_freq;
- t->has_signal = tuner_signal;
- t->is_stereo = tuner_stereo;
- t->standby = NULL;
+static int simple_release(struct dvb_frontend *fe)
+{
+ kfree(fe->tuner_priv);
+ fe->tuner_priv = NULL;
return 0;
}
+static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+ struct tuner_simple_priv *priv = fe->tuner_priv;
+ *frequency = priv->frequency;
+ return 0;
+}
+
+static struct dvb_tuner_ops simple_tuner_ops = {
+ .set_analog_params = simple_set_params,
+ .release = simple_release,
+ .get_frequency = simple_get_frequency,
+ .get_status = simple_get_status,
+ .get_rf_strength = simple_get_rf_strength,
+};
+
+struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
+ struct i2c_adapter *i2c_adap,
+ u8 i2c_addr,
+ struct simple_tuner_config *cfg)
+{
+ struct tuner_simple_priv *priv = NULL;
+
+ priv = kzalloc(sizeof(struct tuner_simple_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return NULL;
+ fe->tuner_priv = priv;
+
+ priv->i2c_props.addr = i2c_addr;
+ priv->i2c_props.adap = i2c_adap;
+ priv->type = cfg->type;
+ priv->tun = cfg->tun;
+
+ memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, sizeof(struct dvb_tuner_ops));
+
+ tuner_info("type set to %d (%s)\n", cfg->type, cfg->tun->name);
+
+ strlcpy(fe->ops.tuner_ops.info.name, cfg->tun->name, sizeof(fe->ops.tuner_ops.info.name));
+
+ return fe;
+}
+
+
+EXPORT_SYMBOL_GPL(simple_tuner_attach);
+
+MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");
+MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
+MODULE_LICENSE("GPL");
+
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* ---------------------------------------------------------------------------
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff