summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/tuner-simple.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/tuner-simple.c')
-rw-r--r--drivers/media/video/tuner-simple.c397
1 files changed, 264 insertions, 133 deletions
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
index 2d57e8bc0db3..7b93d3b1f4c6 100644
--- a/drivers/media/video/tuner-simple.c
+++ b/drivers/media/video/tuner-simple.c
@@ -1,7 +1,8 @@
/*
- *
* 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>
@@ -9,7 +10,14 @@
#include <media/tuner.h>
#include <media/v4l2-common.h>
#include <media/tuner-types.h>
-#include "tuner-driver.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, 0664);
@@ -82,59 +90,102 @@ MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
#define TUNER_PLL_LOCKED 0x40
#define TUNER_STEREO_MK3 0x04
+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_FM1256_IH3:
case TUNER_LG_NTSC_TAPE:
- stereo = ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
- break;
+ return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
default:
- stereo = status & TUNER_STEREO;
+ return status & TUNER_STEREO;
}
+}
+
+static inline int tuner_islocked(const int status)
+{
+ return (status & TUNER_FL);
+}
- return stereo;
+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);
+ struct tuner_simple_priv *priv = fe->tuner_priv;
u8 config, cb, tuneraddr;
u16 div;
struct tunertype *tun;
u8 buffer[4];
int rc, IFPCoff, i, j;
enum param_type desired_type;
- struct tuner_params *params;
+ struct tuner_params *t_params;
- tun = &tuners[t->type];
+ tun = priv->tun;
/* IFPCoff = Video Intermediate Frequency - Vif:
940 =16*58.75 NTSC/J (Japan)
@@ -148,14 +199,14 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
171.2=16*10.70 FM Radio (at set_radio_freq)
*/
- if (t->std == V4L2_STD_NTSC_M_JP) {
+ if (params->std == V4L2_STD_NTSC_M_JP) {
IFPCoff = 940;
desired_type = TUNER_PARAM_TYPE_NTSC;
- } else if ((t->std & V4L2_STD_MN) &&
- !(t->std & ~V4L2_STD_MN)) {
+ } else if ((params->std & V4L2_STD_MN) &&
+ !(params->std & ~V4L2_STD_MN)) {
IFPCoff = 732;
desired_type = TUNER_PARAM_TYPE_NTSC;
- } else if (t->std == V4L2_STD_SECAM_LC) {
+ } else if (params->std == V4L2_STD_SECAM_LC) {
IFPCoff = 543;
desired_type = TUNER_PARAM_TYPE_SECAM;
} else {
@@ -168,49 +219,49 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
continue;
break;
}
- /* use default tuner_params if desired_type not available */
+ /* use default tuner_t_params if desired_type not available */
if (desired_type != tun->params[j].type) {
- tuner_dbg("IFPCoff = %d: tuner_params undefined for tuner %d\n",
- IFPCoff,t->type);
+ tuner_dbg("IFPCoff = %d: tuner_t_params undefined for tuner %d\n",
+ IFPCoff, priv->type);
j = 0;
}
- params = &tun->params[j];
+ t_params = &tun->params[j];
- for (i = 0; i < params->count; i++) {
- if (freq > params->ranges[i].limit)
+ for (i = 0; i < t_params->count; i++) {
+ if (params->frequency > t_params->ranges[i].limit)
continue;
break;
}
- if (i == params->count) {
+ if (i == t_params->count) {
tuner_dbg("TV frequency out of range (%d > %d)",
- freq, params->ranges[i - 1].limit);
- freq = params->ranges[--i].limit;
+ params->frequency, t_params->ranges[i - 1].limit);
+ params->frequency = t_params->ranges[--i].limit;
}
- config = params->ranges[i].config;
- cb = params->ranges[i].cb;
+ 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=freq + IFPCoff + offset;
+ div=params->frequency + 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,
+ 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 ??? */
cb &= ~0x03;
- if (t->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM
+ if (params->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM
cb |= PHILIPS_MF_SET_STD_L;
- else if (t->std & V4L2_STD_SECAM_LC)
+ 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;
@@ -219,16 +270,16 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
case TUNER_TEMIC_4046FM5:
cb &= ~0x0f;
- if (t->std & V4L2_STD_PAL_BG) {
+ if (params->std & V4L2_STD_PAL_BG) {
cb |= TEMIC_SET_PAL_BG;
- } else if (t->std & V4L2_STD_PAL_I) {
+ } else if (params->std & V4L2_STD_PAL_I) {
cb |= TEMIC_SET_PAL_I;
- } else if (t->std & V4L2_STD_PAL_DK) {
+ } else if (params->std & V4L2_STD_PAL_DK) {
cb |= TEMIC_SET_PAL_DK;
- } else if (t->std & V4L2_STD_SECAM_L) {
+ } else if (params->std & V4L2_STD_SECAM_L) {
cb |= TEMIC_SET_PAL_L;
}
@@ -237,13 +288,13 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
case TUNER_PHILIPS_FQ1216ME:
cb &= ~0x0f;
- if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
+ if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
cb |= PHILIPS_SET_PAL_BGDK;
- } else if (t->std & V4L2_STD_PAL_I) {
+ } else if (params->std & V4L2_STD_PAL_I) {
cb |= PHILIPS_SET_PAL_I;
- } else if (t->std & V4L2_STD_SECAM_L) {
+ } else if (params->std & V4L2_STD_SECAM_L) {
cb |= PHILIPS_SET_PAL_L;
}
@@ -255,7 +306,7 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
/* 0x02 -> NTSC antenna input 1 */
/* 0x03 -> NTSC antenna input 2 */
cb &= ~0x03;
- if (!(t->std & V4L2_STD_ATSC))
+ if (!(params->std & V4L2_STD_ATSC))
cb |= 2;
/* FIXME: input */
break;
@@ -275,23 +326,23 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
buffer[2] = 0x17;
buffer[3] = 0x00;
cb &= ~0x40;
- if (t->std & V4L2_STD_ATSC) {
+ 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;
}
- if (params->cb_first_if_lower_freq && div < t->last_div) {
+ if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
buffer[0] = config;
buffer[1] = cb;
buffer[2] = (div>>8) & 0x7f;
@@ -302,53 +353,53 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
buffer[2] = config;
buffer[3] = cb;
}
- t->last_div = div;
- if (params->has_tda9887) {
+ priv->last_div = div;
+ if (t_params->has_tda9887) {
int config = 0;
- int is_secam_l = (t->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) &&
- !(t->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC));
+ int is_secam_l = (params->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) &&
+ !(params->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC));
- if (t->std == V4L2_STD_SECAM_LC) {
- if (params->port1_active ^ params->port1_invert_for_secam_lc)
+ if (params->std == V4L2_STD_SECAM_LC) {
+ if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
config |= TDA9887_PORT1_ACTIVE;
- if (params->port2_active ^ params->port2_invert_for_secam_lc)
+ if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
config |= TDA9887_PORT2_ACTIVE;
}
else {
- if (params->port1_active)
+ if (t_params->port1_active)
config |= TDA9887_PORT1_ACTIVE;
- if (params->port2_active)
+ if (t_params->port2_active)
config |= TDA9887_PORT2_ACTIVE;
}
- if (params->intercarrier_mode)
+ if (t_params->intercarrier_mode)
config |= TDA9887_INTERCARRIER;
if (is_secam_l) {
- if (i == 0 && params->default_top_secam_low)
- config |= TDA9887_TOP(params->default_top_secam_low);
- else if (i == 1 && params->default_top_secam_mid)
- config |= TDA9887_TOP(params->default_top_secam_mid);
- else if (params->default_top_secam_high)
- config |= TDA9887_TOP(params->default_top_secam_high);
+ 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 && params->default_top_low)
- config |= TDA9887_TOP(params->default_top_low);
- else if (i == 1 && params->default_top_mid)
- config |= TDA9887_TOP(params->default_top_mid);
- else if (params->default_top_high)
- config |= TDA9887_TOP(params->default_top_high);
+ 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 (params->default_pll_gating_18)
+ if (t_params->default_pll_gating_18)
config |= TDA9887_GATING_18;
- i2c_clients_command(c->adapter, TDA9887_SET_CONFIG, &config);
+ i2c_clients_command(priv->i2c_props.adap, TDA9887_SET_CONFIG, &config);
}
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);
- switch (t->type) {
+ switch (priv->type) {
case TUNER_LG_TDVS_H06XF:
/* Set the Auxiliary Byte. */
buffer[0] = buffer[2];
@@ -357,7 +408,7 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
buffer[1] = 0x20;
tuner_dbg("tv 0x%02x 0x%02x\n",buffer[0],buffer[1]);
- if (2 != (rc = i2c_master_send(c,buffer,2)))
+ 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:
@@ -369,8 +420,8 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
/* 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;
}
@@ -388,68 +439,86 @@ static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
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);
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);
+ struct tuner_simple_priv *priv = fe->tuner_priv;
u8 buffer[4];
u16 div;
int rc, j;
- enum param_type desired_type = TUNER_PARAM_TYPE_RADIO;
- struct tuner_params *params;
+ struct tuner_params *t_params;
+ unsigned int freq = params->frequency;
- tun = &tuners[t->type];
+ tun = priv->tun;
- for (j = 0; j < tun->count-1; j++) {
- if (desired_type != tun->params[j].type)
- continue;
+ 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];
+
+ /* 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;
}
- /* use default tuner_params if desired_type not available */
- if (desired_type != tun->params[j].type)
- j = 0;
-
- div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
- params = &tun->params[j];
- buffer[2] = (params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
- 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:
case TUNER_LG_NTSC_TAPE:
+ case TUNER_PHILIPS_FM1256_IH3:
buffer[3] = 0x19;
break;
case TUNER_TNF_5335MF:
buffer[3] = 0x11;
break;
- case TUNER_PHILIPS_FM1256_IH3:
- div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
- buffer[3] = 0x19;
- 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;
}
- if (params->cb_first_if_lower_freq && div < t->last_div) {
+
+ 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;
@@ -461,46 +530,108 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
buffer[0],buffer[1],buffer[2],buffer[3]);
- t->last_div = div;
+ priv->last_div = div;
- if (params->has_tda9887) {
+ if (t_params->has_tda9887) {
int config = 0;
- if (params->port1_active && !params->port1_fm_high_sensitivity)
+ if (t_params->port1_active && !t_params->port1_fm_high_sensitivity)
config |= TDA9887_PORT1_ACTIVE;
- if (params->port2_active && !params->port2_fm_high_sensitivity)
+ if (t_params->port2_active && !t_params->port2_fm_high_sensitivity)
config |= TDA9887_PORT2_ACTIVE;
- if (params->intercarrier_mode)
+ if (t_params->intercarrier_mode)
config |= TDA9887_INTERCARRIER;
-/* if (params->port1_set_for_fm_mono)
+/* if (t_params->port1_set_for_fm_mono)
config &= ~TDA9887_PORT1_ACTIVE;*/
- if (params->fm_gain_normal)
+ if (t_params->fm_gain_normal)
config |= TDA9887_GAIN_NORMAL;
- i2c_clients_command(c->adapter, TDA9887_SET_CONFIG, &config);
+ if (t_params->radio_if == 2)
+ config |= TDA9887_RIF_41_3;
+ i2c_clients_command(priv->i2c_props.adap, TDA9887_SET_CONFIG, &config);
}
- 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);
+
+ return 0;
}
-static struct tuner_operations simple_tuner_ops = {
- .set_tv_freq = default_set_tv_freq,
- .set_radio_freq = default_set_radio_freq,
- .has_signal = tuner_signal,
- .is_stereo = tuner_stereo,
+static int simple_set_params(struct dvb_frontend *fe,
+ struct analog_parameters *params)
+{
+ 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;
+}
+
+
+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,
};
-int default_tuner_init(struct i2c_client *c)
+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 *t = i2c_get_clientdata(c);
+ struct tuner_simple_priv *priv = NULL;
- tuner_info("type set to %d (%s)\n",
- t->type, tuners[t->type].name);
- strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
+ priv = kzalloc(sizeof(struct tuner_simple_priv), GFP_KERNEL);
+ if (priv == NULL)
+ return NULL;
+ fe->tuner_priv = priv;
- memcpy(&t->ops, &simple_tuner_ops, sizeof(struct tuner_operations));
+ priv->i2c_props.addr = i2c_addr;
+ priv->i2c_props.adap = i2c_adap;
+ priv->type = cfg->type;
+ priv->tun = cfg->tun;
- return 0;
+ 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.
* ---------------------------------------------------------------------------
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 12:03:47 +0100