forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1144 lines
29 KiB
1144 lines
29 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* 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/videodev2.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; |
|
module_param(debug, int, 0644); |
|
MODULE_PARM_DESC(debug, "enable verbose debug messages"); |
|
|
|
#define TUNER_SIMPLE_MAX 64 |
|
static unsigned int simple_devcount; |
|
|
|
static int offset; |
|
module_param(offset, int, 0664); |
|
MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner"); |
|
|
|
static unsigned int atv_input[TUNER_SIMPLE_MAX] = \ |
|
{ [0 ... (TUNER_SIMPLE_MAX-1)] = 0 }; |
|
static unsigned int dtv_input[TUNER_SIMPLE_MAX] = \ |
|
{ [0 ... (TUNER_SIMPLE_MAX-1)] = 0 }; |
|
module_param_array(atv_input, int, NULL, 0644); |
|
module_param_array(dtv_input, int, NULL, 0644); |
|
MODULE_PARM_DESC(atv_input, "specify atv rf input, 0 for autoselect"); |
|
MODULE_PARM_DESC(dtv_input, "specify dtv rf input, 0 for autoselect"); |
|
|
|
/* ---------------------------------------------------------------------- */ |
|
|
|
/* tv standard selection for Temic 4046 FM5 |
|
this value takes the low bits of control byte 2 |
|
from datasheet Rev.01, Feb.00 |
|
standard BG I L L2 D |
|
picture IF 38.9 38.9 38.9 33.95 38.9 |
|
sound 1 33.4 32.9 32.4 40.45 32.4 |
|
sound 2 33.16 |
|
NICAM 33.05 32.348 33.05 33.05 |
|
*/ |
|
#define TEMIC_SET_PAL_I 0x05 |
|
#define TEMIC_SET_PAL_DK 0x09 |
|
#define TEMIC_SET_PAL_L 0x0a /* SECAM ? */ |
|
#define TEMIC_SET_PAL_L2 0x0b /* change IF ! */ |
|
#define TEMIC_SET_PAL_BG 0x0c |
|
|
|
/* tv tuner system standard selection for Philips FQ1216ME |
|
this value takes the low bits of control byte 2 |
|
from datasheet "1999 Nov 16" (supersedes "1999 Mar 23") |
|
standard BG DK I L L` |
|
picture carrier 38.90 38.90 38.90 38.90 33.95 |
|
colour 34.47 34.47 34.47 34.47 38.38 |
|
sound 1 33.40 32.40 32.90 32.40 40.45 |
|
sound 2 33.16 - - - - |
|
NICAM 33.05 33.05 32.35 33.05 39.80 |
|
*/ |
|
#define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/ |
|
#define PHILIPS_SET_PAL_BGDK 0x09 |
|
#define PHILIPS_SET_PAL_L2 0x0a |
|
#define PHILIPS_SET_PAL_L 0x0b |
|
|
|
/* system switching for Philips FI1216MF MK2 |
|
from datasheet "1996 Jul 09", |
|
standard BG L L' |
|
picture carrier 38.90 38.90 33.95 |
|
colour 34.47 34.37 38.38 |
|
sound 1 33.40 32.40 40.45 |
|
sound 2 33.16 - - |
|
NICAM 33.05 33.05 39.80 |
|
*/ |
|
#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_RATIO_MASK 0x06 /* Bit cb1:cb2 */ |
|
#define TUNER_RATIO_SELECT_50 0x00 |
|
#define TUNER_RATIO_SELECT_32 0x02 |
|
#define TUNER_RATIO_SELECT_166 0x04 |
|
#define TUNER_RATIO_SELECT_62 0x06 |
|
|
|
#define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */ |
|
|
|
/* Status byte */ |
|
|
|
#define TUNER_POR 0x80 |
|
#define TUNER_FL 0x40 |
|
#define TUNER_MODE 0x38 |
|
#define TUNER_AFC 0x07 |
|
#define TUNER_SIGNAL 0x07 |
|
#define TUNER_STEREO 0x10 |
|
|
|
#define TUNER_PLL_LOCKED 0x40 |
|
#define TUNER_STEREO_MK3 0x04 |
|
|
|
static DEFINE_MUTEX(tuner_simple_list_mutex); |
|
static LIST_HEAD(hybrid_tuner_instance_list); |
|
|
|
struct tuner_simple_priv { |
|
unsigned int nr; |
|
u16 last_div; |
|
|
|
struct tuner_i2c_props i2c_props; |
|
struct list_head hybrid_tuner_instance_list; |
|
|
|
unsigned int type; |
|
struct tunertype *tun; |
|
|
|
u32 frequency; |
|
u32 bandwidth; |
|
bool radio_mode; |
|
}; |
|
|
|
/* ---------------------------------------------------------------------- */ |
|
|
|
static int tuner_read_status(struct dvb_frontend *fe) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
unsigned char byte; |
|
|
|
if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1)) |
|
return 0; |
|
|
|
return byte; |
|
} |
|
|
|
static inline int tuner_signal(const int status) |
|
{ |
|
return (status & TUNER_SIGNAL) << 13; |
|
} |
|
|
|
static inline int tuner_stereo(const int type, const int status) |
|
{ |
|
switch (type) { |
|
case TUNER_PHILIPS_FM1216ME_MK3: |
|
case TUNER_PHILIPS_FM1236_MK3: |
|
case TUNER_PHILIPS_FM1256_IH3: |
|
case TUNER_LG_NTSC_TAPE: |
|
case TUNER_TCL_MF02GIP_5N: |
|
return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); |
|
case TUNER_PHILIPS_FM1216MK5: |
|
return status | TUNER_STEREO; |
|
default: |
|
return status & TUNER_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; |
|
|
|
if (priv->i2c_props.adap == NULL) |
|
return -EINVAL; |
|
|
|
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; |
|
|
|
if (priv->i2c_props.adap == NULL || !priv->radio_mode) |
|
return -EINVAL; |
|
|
|
signal = tuner_signal(tuner_read_status(fe)); |
|
|
|
*strength = signal; |
|
|
|
tuner_dbg("Signal strength: %d\n", signal); |
|
|
|
return 0; |
|
} |
|
|
|
/* ---------------------------------------------------------------------- */ |
|
|
|
static inline char *tuner_param_name(enum param_type type) |
|
{ |
|
char *name; |
|
|
|
switch (type) { |
|
case TUNER_PARAM_TYPE_RADIO: |
|
name = "radio"; |
|
break; |
|
case TUNER_PARAM_TYPE_PAL: |
|
name = "pal"; |
|
break; |
|
case TUNER_PARAM_TYPE_SECAM: |
|
name = "secam"; |
|
break; |
|
case TUNER_PARAM_TYPE_NTSC: |
|
name = "ntsc"; |
|
break; |
|
case TUNER_PARAM_TYPE_DIGITAL: |
|
name = "digital"; |
|
break; |
|
default: |
|
name = "unknown"; |
|
break; |
|
} |
|
return name; |
|
} |
|
|
|
static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe, |
|
enum param_type desired_type) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
struct tunertype *tun = priv->tun; |
|
int i; |
|
|
|
for (i = 0; i < tun->count; i++) |
|
if (desired_type == tun->params[i].type) |
|
break; |
|
|
|
/* use default tuner params if desired_type not available */ |
|
if (i == tun->count) { |
|
tuner_dbg("desired params (%s) undefined for tuner %d\n", |
|
tuner_param_name(desired_type), priv->type); |
|
i = 0; |
|
} |
|
|
|
tuner_dbg("using tuner params #%d (%s)\n", i, |
|
tuner_param_name(tun->params[i].type)); |
|
|
|
return &tun->params[i]; |
|
} |
|
|
|
static int simple_config_lookup(struct dvb_frontend *fe, |
|
struct tuner_params *t_params, |
|
unsigned *frequency, u8 *config, u8 *cb) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
int i; |
|
|
|
for (i = 0; i < t_params->count; i++) { |
|
if (*frequency > t_params->ranges[i].limit) |
|
continue; |
|
break; |
|
} |
|
if (i == t_params->count) { |
|
tuner_dbg("frequency out of range (%d > %d)\n", |
|
*frequency, t_params->ranges[i - 1].limit); |
|
*frequency = t_params->ranges[--i].limit; |
|
} |
|
*config = t_params->ranges[i].config; |
|
*cb = t_params->ranges[i].cb; |
|
|
|
tuner_dbg("freq = %d.%02d (%d), range = %d, config = 0x%02x, cb = 0x%02x\n", |
|
*frequency / 16, *frequency % 16 * 100 / 16, *frequency, |
|
i, *config, *cb); |
|
|
|
return i; |
|
} |
|
|
|
/* ---------------------------------------------------------------------- */ |
|
|
|
static void simple_set_rf_input(struct dvb_frontend *fe, |
|
u8 *config, u8 *cb, unsigned int rf) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
|
|
switch (priv->type) { |
|
case TUNER_PHILIPS_TUV1236D: |
|
switch (rf) { |
|
case 1: |
|
*cb |= 0x08; |
|
break; |
|
default: |
|
*cb &= ~0x08; |
|
break; |
|
} |
|
break; |
|
case TUNER_PHILIPS_FCV1236D: |
|
switch (rf) { |
|
case 1: |
|
*cb |= 0x01; |
|
break; |
|
default: |
|
*cb &= ~0x01; |
|
break; |
|
} |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
static int simple_std_setup(struct dvb_frontend *fe, |
|
struct analog_parameters *params, |
|
u8 *config, u8 *cb) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
int rc; |
|
|
|
/* tv norm specific stuff for multi-norm tuners */ |
|
switch (priv->type) { |
|
case TUNER_PHILIPS_SECAM: /* FI1216MF */ |
|
/* 0x01 -> ??? no change ??? */ |
|
/* 0x02 -> PAL BDGHI / SECAM L */ |
|
/* 0x04 -> ??? PAL others / SECAM others ??? */ |
|
*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: |
|
*cb &= ~0x0f; |
|
|
|
if (params->std & V4L2_STD_PAL_BG) { |
|
*cb |= TEMIC_SET_PAL_BG; |
|
|
|
} else if (params->std & V4L2_STD_PAL_I) { |
|
*cb |= TEMIC_SET_PAL_I; |
|
|
|
} else if (params->std & V4L2_STD_PAL_DK) { |
|
*cb |= TEMIC_SET_PAL_DK; |
|
|
|
} else if (params->std & V4L2_STD_SECAM_L) { |
|
*cb |= TEMIC_SET_PAL_L; |
|
|
|
} |
|
break; |
|
|
|
case TUNER_PHILIPS_FQ1216ME: |
|
*cb &= ~0x0f; |
|
|
|
if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { |
|
*cb |= PHILIPS_SET_PAL_BGDK; |
|
|
|
} else if (params->std & V4L2_STD_PAL_I) { |
|
*cb |= PHILIPS_SET_PAL_I; |
|
|
|
} else if (params->std & V4L2_STD_SECAM_L) { |
|
*cb |= PHILIPS_SET_PAL_L; |
|
|
|
} |
|
break; |
|
|
|
case TUNER_PHILIPS_FCV1236D: |
|
/* 0x00 -> ATSC antenna input 1 */ |
|
/* 0x01 -> ATSC antenna input 2 */ |
|
/* 0x02 -> NTSC antenna input 1 */ |
|
/* 0x03 -> NTSC antenna input 2 */ |
|
*cb &= ~0x03; |
|
if (!(params->std & V4L2_STD_ATSC)) |
|
*cb |= 2; |
|
break; |
|
|
|
case TUNER_MICROTUNE_4042FI5: |
|
/* Set the charge pump for fast tuning */ |
|
*config |= TUNER_CHARGE_PUMP; |
|
break; |
|
|
|
case TUNER_PHILIPS_TUV1236D: |
|
{ |
|
struct tuner_i2c_props i2c = priv->i2c_props; |
|
/* 0x40 -> ATSC antenna input 1 */ |
|
/* 0x48 -> ATSC antenna input 2 */ |
|
/* 0x00 -> NTSC antenna input 1 */ |
|
/* 0x08 -> NTSC antenna input 2 */ |
|
u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00}; |
|
*cb &= ~0x40; |
|
if (params->std & V4L2_STD_ATSC) { |
|
*cb |= 0x40; |
|
buffer[1] = 0x04; |
|
} |
|
/* set to the correct mode (analog or digital) */ |
|
i2c.addr = 0x0a; |
|
rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2); |
|
if (2 != rc) |
|
tuner_warn("i2c i/o error: rc == %d (should be 2)\n", |
|
rc); |
|
rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2); |
|
if (2 != rc) |
|
tuner_warn("i2c i/o error: rc == %d (should be 2)\n", |
|
rc); |
|
break; |
|
} |
|
} |
|
if (atv_input[priv->nr]) |
|
simple_set_rf_input(fe, config, cb, atv_input[priv->nr]); |
|
|
|
return 0; |
|
} |
|
|
|
static int simple_set_aux_byte(struct dvb_frontend *fe, u8 config, u8 aux) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
int rc; |
|
u8 buffer[2]; |
|
|
|
buffer[0] = (config & ~0x38) | 0x18; |
|
buffer[1] = aux; |
|
|
|
tuner_dbg("setting aux byte: 0x%02x 0x%02x\n", buffer[0], buffer[1]); |
|
|
|
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); |
|
if (2 != rc) |
|
tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc); |
|
|
|
return rc == 2 ? 0 : rc; |
|
} |
|
|
|
static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer, |
|
u16 div, u8 config, u8 cb) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
int rc; |
|
|
|
switch (priv->type) { |
|
case TUNER_LG_TDVS_H06XF: |
|
simple_set_aux_byte(fe, config, 0x20); |
|
break; |
|
case TUNER_PHILIPS_FQ1216LME_MK3: |
|
simple_set_aux_byte(fe, config, 0x60); /* External AGC */ |
|
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 0; |
|
rc = tuner_i2c_xfer_recv(&priv->i2c_props, |
|
&status_byte, 1); |
|
if (1 != rc) { |
|
tuner_warn("i2c i/o read error: rc == %d (should be 1)\n", |
|
rc); |
|
break; |
|
} |
|
if (status_byte & TUNER_PLL_LOCKED) |
|
break; |
|
udelay(10); |
|
} |
|
|
|
/* Set the charge pump for optimized phase noise figure */ |
|
config &= ~TUNER_CHARGE_PUMP; |
|
buffer[0] = (div>>8) & 0x7f; |
|
buffer[1] = div & 0xff; |
|
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]); |
|
|
|
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); |
|
if (4 != rc) |
|
tuner_warn("i2c i/o error: rc == %d (should be 4)\n", |
|
rc); |
|
break; |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
|
|
switch (priv->type) { |
|
case TUNER_TENA_9533_DI: |
|
case TUNER_YMEC_TVF_5533MF: |
|
tuner_dbg("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n"); |
|
return -EINVAL; |
|
case TUNER_PHILIPS_FM1216ME_MK3: |
|
case TUNER_PHILIPS_FM1236_MK3: |
|
case TUNER_PHILIPS_FMD1216ME_MK3: |
|
case TUNER_PHILIPS_FMD1216MEX_MK3: |
|
case TUNER_LG_NTSC_TAPE: |
|
case TUNER_PHILIPS_FM1256_IH3: |
|
case TUNER_TCL_MF02GIP_5N: |
|
buffer[3] = 0x19; |
|
break; |
|
case TUNER_PHILIPS_FM1216MK5: |
|
buffer[2] = 0x88; |
|
buffer[3] = 0x09; |
|
break; |
|
case TUNER_TNF_5335MF: |
|
buffer[3] = 0x11; |
|
break; |
|
case TUNER_LG_PAL_FM: |
|
buffer[3] = 0xa5; |
|
break; |
|
case TUNER_THOMSON_DTT761X: |
|
buffer[3] = 0x39; |
|
break; |
|
case TUNER_PHILIPS_FQ1216LME_MK3: |
|
case TUNER_PHILIPS_FQ1236_MK5: |
|
tuner_err("This tuner doesn't have FM\n"); |
|
/* Set the low band for sanity, since it covers 88-108 MHz */ |
|
buffer[3] = 0x01; |
|
break; |
|
case TUNER_MICROTUNE_4049FM5: |
|
default: |
|
buffer[3] = 0xa4; |
|
break; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* ---------------------------------------------------------------------- */ |
|
|
|
static int simple_set_tv_freq(struct dvb_frontend *fe, |
|
struct analog_parameters *params) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
u8 config, cb; |
|
u16 div; |
|
u8 buffer[4]; |
|
int rc, IFPCoff, i; |
|
enum param_type desired_type; |
|
struct tuner_params *t_params; |
|
|
|
/* 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; |
|
} |
|
|
|
t_params = simple_tuner_params(fe, desired_type); |
|
|
|
i = simple_config_lookup(fe, t_params, ¶ms->frequency, |
|
&config, &cb); |
|
|
|
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 */ |
|
simple_std_setup(fe, params, &config, &cb); |
|
|
|
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] = config; |
|
buffer[3] = cb; |
|
} |
|
priv->last_div = div; |
|
if (t_params->has_tda9887) { |
|
struct v4l2_priv_tun_config tda9887_cfg; |
|
int tda_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 = &tda_config; |
|
|
|
if (params->std == V4L2_STD_SECAM_LC) { |
|
if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc) |
|
tda_config |= TDA9887_PORT1_ACTIVE; |
|
if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc) |
|
tda_config |= TDA9887_PORT2_ACTIVE; |
|
} else { |
|
if (t_params->port1_active) |
|
tda_config |= TDA9887_PORT1_ACTIVE; |
|
if (t_params->port2_active) |
|
tda_config |= TDA9887_PORT2_ACTIVE; |
|
} |
|
if (t_params->intercarrier_mode) |
|
tda_config |= TDA9887_INTERCARRIER; |
|
if (is_secam_l) { |
|
if (i == 0 && t_params->default_top_secam_low) |
|
tda_config |= TDA9887_TOP(t_params->default_top_secam_low); |
|
else if (i == 1 && t_params->default_top_secam_mid) |
|
tda_config |= TDA9887_TOP(t_params->default_top_secam_mid); |
|
else if (t_params->default_top_secam_high) |
|
tda_config |= TDA9887_TOP(t_params->default_top_secam_high); |
|
} else { |
|
if (i == 0 && t_params->default_top_low) |
|
tda_config |= TDA9887_TOP(t_params->default_top_low); |
|
else if (i == 1 && t_params->default_top_mid) |
|
tda_config |= TDA9887_TOP(t_params->default_top_mid); |
|
else if (t_params->default_top_high) |
|
tda_config |= TDA9887_TOP(t_params->default_top_high); |
|
} |
|
if (t_params->default_pll_gating_18) |
|
tda_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]); |
|
|
|
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); |
|
if (4 != rc) |
|
tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); |
|
|
|
simple_post_tune(fe, &buffer[0], div, config, cb); |
|
|
|
return 0; |
|
} |
|
|
|
static int simple_set_radio_freq(struct dvb_frontend *fe, |
|
struct analog_parameters *params) |
|
{ |
|
struct tunertype *tun; |
|
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; |
|
bool mono = params->audmode == V4L2_TUNER_MODE_MONO; |
|
|
|
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]; |
|
|
|
/* 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; |
|
} |
|
|
|
buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | |
|
TUNER_RATIO_SELECT_50; /* 50 kHz step */ |
|
|
|
/* Bandswitch byte */ |
|
if (simple_radio_bandswitch(fe, &buffer[0])) |
|
return 0; |
|
|
|
/* 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]); |
|
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 && 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); |
|
} |
|
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); |
|
if (4 != rc) |
|
tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); |
|
|
|
/* Write AUX byte */ |
|
switch (priv->type) { |
|
case TUNER_PHILIPS_FM1216ME_MK3: |
|
buffer[2] = 0x98; |
|
buffer[3] = 0x20; /* set TOP AGC */ |
|
rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); |
|
if (4 != rc) |
|
tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); |
|
break; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int simple_set_params(struct dvb_frontend *fe, |
|
struct analog_parameters *params) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
int ret = -EINVAL; |
|
|
|
if (priv->i2c_props.adap == NULL) |
|
return -EINVAL; |
|
|
|
switch (params->mode) { |
|
case V4L2_TUNER_RADIO: |
|
priv->radio_mode = true; |
|
ret = simple_set_radio_freq(fe, params); |
|
priv->frequency = params->frequency * 125 / 2; |
|
break; |
|
case V4L2_TUNER_ANALOG_TV: |
|
case V4L2_TUNER_DIGITAL_TV: |
|
priv->radio_mode = false; |
|
ret = simple_set_tv_freq(fe, params); |
|
priv->frequency = params->frequency * 62500; |
|
break; |
|
} |
|
priv->bandwidth = 0; |
|
|
|
return ret; |
|
} |
|
|
|
static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, |
|
const u32 delsys, |
|
const u32 frequency, |
|
const u32 bandwidth) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
|
|
switch (priv->type) { |
|
case TUNER_PHILIPS_FMD1216ME_MK3: |
|
case TUNER_PHILIPS_FMD1216MEX_MK3: |
|
if (bandwidth == 8000000 && |
|
frequency >= 158870000) |
|
buf[3] |= 0x08; |
|
break; |
|
case TUNER_PHILIPS_TD1316: |
|
/* determine band */ |
|
buf[3] |= (frequency < 161000000) ? 1 : |
|
(frequency < 444000000) ? 2 : 4; |
|
|
|
/* setup PLL filter */ |
|
if (bandwidth == 8000000) |
|
buf[3] |= 1 << 3; |
|
break; |
|
case TUNER_PHILIPS_TUV1236D: |
|
case TUNER_PHILIPS_FCV1236D: |
|
{ |
|
unsigned int new_rf; |
|
|
|
if (dtv_input[priv->nr]) |
|
new_rf = dtv_input[priv->nr]; |
|
else |
|
switch (delsys) { |
|
case SYS_DVBC_ANNEX_B: |
|
new_rf = 1; |
|
break; |
|
case SYS_ATSC: |
|
default: |
|
new_rf = 0; |
|
break; |
|
} |
|
simple_set_rf_input(fe, &buf[2], &buf[3], new_rf); |
|
break; |
|
} |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, |
|
const u32 delsys, |
|
const u32 freq, |
|
const u32 bw) |
|
{ |
|
/* This function returns the tuned frequency on success, 0 on error */ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
struct tunertype *tun = priv->tun; |
|
struct tuner_params *t_params; |
|
u8 config, cb; |
|
u32 div; |
|
int ret; |
|
u32 frequency = freq / 62500; |
|
|
|
if (!tun->stepsize) { |
|
/* tuner-core was loaded before the digital tuner was |
|
* configured and somehow picked the wrong tuner type */ |
|
tuner_err("attempt to treat tuner %d (%s) as digital tuner without stepsize defined.\n", |
|
priv->type, priv->tun->name); |
|
return 0; /* failure */ |
|
} |
|
|
|
t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL); |
|
ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb); |
|
if (ret < 0) |
|
return 0; /* failure */ |
|
|
|
div = ((frequency + t_params->iffreq) * 62500 + offset + |
|
tun->stepsize/2) / tun->stepsize; |
|
|
|
buf[0] = div >> 8; |
|
buf[1] = div & 0xff; |
|
buf[2] = config; |
|
buf[3] = cb; |
|
|
|
simple_set_dvb(fe, buf, delsys, freq, bw); |
|
|
|
tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", |
|
tun->name, div, buf[0], buf[1], buf[2], buf[3]); |
|
|
|
/* calculate the frequency we set it to */ |
|
return (div * tun->stepsize) - t_params->iffreq; |
|
} |
|
|
|
static int simple_dvb_calc_regs(struct dvb_frontend *fe, |
|
u8 *buf, int buf_len) |
|
{ |
|
struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
|
u32 delsys = c->delivery_system; |
|
u32 bw = c->bandwidth_hz; |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
u32 frequency; |
|
|
|
if (buf_len < 5) |
|
return -EINVAL; |
|
|
|
frequency = simple_dvb_configure(fe, buf+1, delsys, c->frequency, bw); |
|
if (frequency == 0) |
|
return -EINVAL; |
|
|
|
buf[0] = priv->i2c_props.addr; |
|
|
|
priv->frequency = frequency; |
|
priv->bandwidth = c->bandwidth_hz; |
|
|
|
return 5; |
|
} |
|
|
|
static int simple_dvb_set_params(struct dvb_frontend *fe) |
|
{ |
|
struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
|
u32 delsys = c->delivery_system; |
|
u32 bw = c->bandwidth_hz; |
|
u32 freq = c->frequency; |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
u32 frequency; |
|
u32 prev_freq, prev_bw; |
|
int ret; |
|
u8 buf[5]; |
|
|
|
if (priv->i2c_props.adap == NULL) |
|
return -EINVAL; |
|
|
|
prev_freq = priv->frequency; |
|
prev_bw = priv->bandwidth; |
|
|
|
frequency = simple_dvb_configure(fe, buf+1, delsys, freq, bw); |
|
if (frequency == 0) |
|
return -EINVAL; |
|
|
|
buf[0] = priv->i2c_props.addr; |
|
|
|
priv->frequency = frequency; |
|
priv->bandwidth = bw; |
|
|
|
/* put analog demod in standby when tuning digital */ |
|
if (fe->ops.analog_ops.standby) |
|
fe->ops.analog_ops.standby(fe); |
|
|
|
if (fe->ops.i2c_gate_ctrl) |
|
fe->ops.i2c_gate_ctrl(fe, 1); |
|
|
|
/* buf[0] contains the i2c address, but * |
|
* we already have it in i2c_props.addr */ |
|
ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4); |
|
if (ret != 4) |
|
goto fail; |
|
|
|
return 0; |
|
fail: |
|
/* calc_regs sets frequency and bandwidth. if we failed, unset them */ |
|
priv->frequency = prev_freq; |
|
priv->bandwidth = prev_bw; |
|
|
|
return ret; |
|
} |
|
|
|
static int simple_init(struct dvb_frontend *fe) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
|
|
if (priv->i2c_props.adap == NULL) |
|
return -EINVAL; |
|
|
|
if (priv->tun->initdata) { |
|
int ret; |
|
|
|
if (fe->ops.i2c_gate_ctrl) |
|
fe->ops.i2c_gate_ctrl(fe, 1); |
|
|
|
ret = tuner_i2c_xfer_send(&priv->i2c_props, |
|
priv->tun->initdata + 1, |
|
priv->tun->initdata[0]); |
|
if (ret != priv->tun->initdata[0]) |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int simple_sleep(struct dvb_frontend *fe) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
|
|
if (priv->i2c_props.adap == NULL) |
|
return -EINVAL; |
|
|
|
if (priv->tun->sleepdata) { |
|
int ret; |
|
|
|
if (fe->ops.i2c_gate_ctrl) |
|
fe->ops.i2c_gate_ctrl(fe, 1); |
|
|
|
ret = tuner_i2c_xfer_send(&priv->i2c_props, |
|
priv->tun->sleepdata + 1, |
|
priv->tun->sleepdata[0]); |
|
if (ret != priv->tun->sleepdata[0]) |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static void simple_release(struct dvb_frontend *fe) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
|
|
mutex_lock(&tuner_simple_list_mutex); |
|
|
|
if (priv) |
|
hybrid_tuner_release_state(priv); |
|
|
|
mutex_unlock(&tuner_simple_list_mutex); |
|
|
|
fe->tuner_priv = NULL; |
|
} |
|
|
|
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 int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) |
|
{ |
|
struct tuner_simple_priv *priv = fe->tuner_priv; |
|
*bandwidth = priv->bandwidth; |
|
return 0; |
|
} |
|
|
|
static const struct dvb_tuner_ops simple_tuner_ops = { |
|
.init = simple_init, |
|
.sleep = simple_sleep, |
|
.set_analog_params = simple_set_params, |
|
.set_params = simple_dvb_set_params, |
|
.calc_regs = simple_dvb_calc_regs, |
|
.release = simple_release, |
|
.get_frequency = simple_get_frequency, |
|
.get_bandwidth = simple_get_bandwidth, |
|
.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, |
|
unsigned int type) |
|
{ |
|
struct tuner_simple_priv *priv = NULL; |
|
int instance; |
|
|
|
if (type >= tuner_count) { |
|
printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n", |
|
__func__, type, tuner_count-1); |
|
return NULL; |
|
} |
|
|
|
/* If i2c_adap is set, check that the tuner is at the correct address. |
|
* Otherwise, if i2c_adap is NULL, the tuner will be programmed directly |
|
* by the digital demod via calc_regs. |
|
*/ |
|
if (i2c_adap != NULL) { |
|
u8 b[1]; |
|
struct i2c_msg msg = { |
|
.addr = i2c_addr, .flags = I2C_M_RD, |
|
.buf = b, .len = 1, |
|
}; |
|
|
|
if (fe->ops.i2c_gate_ctrl) |
|
fe->ops.i2c_gate_ctrl(fe, 1); |
|
|
|
if (1 != i2c_transfer(i2c_adap, &msg, 1)) |
|
printk(KERN_WARNING "tuner-simple %d-%04x: unable to probe %s, proceeding anyway.", |
|
i2c_adapter_id(i2c_adap), i2c_addr, |
|
tuners[type].name); |
|
|
|
if (fe->ops.i2c_gate_ctrl) |
|
fe->ops.i2c_gate_ctrl(fe, 0); |
|
} |
|
|
|
mutex_lock(&tuner_simple_list_mutex); |
|
|
|
instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv, |
|
hybrid_tuner_instance_list, |
|
i2c_adap, i2c_addr, |
|
"tuner-simple"); |
|
switch (instance) { |
|
case 0: |
|
mutex_unlock(&tuner_simple_list_mutex); |
|
return NULL; |
|
case 1: |
|
fe->tuner_priv = priv; |
|
|
|
priv->type = type; |
|
priv->tun = &tuners[type]; |
|
priv->nr = simple_devcount++; |
|
break; |
|
default: |
|
fe->tuner_priv = priv; |
|
break; |
|
} |
|
|
|
mutex_unlock(&tuner_simple_list_mutex); |
|
|
|
memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, |
|
sizeof(struct dvb_tuner_ops)); |
|
|
|
if (type != priv->type) |
|
tuner_warn("couldn't set type to %d. Using %d (%s) instead\n", |
|
type, priv->type, priv->tun->name); |
|
else |
|
tuner_info("type set to %d (%s)\n", |
|
priv->type, priv->tun->name); |
|
|
|
if ((debug) || ((atv_input[priv->nr] > 0) || |
|
(dtv_input[priv->nr] > 0))) { |
|
if (0 == atv_input[priv->nr]) |
|
tuner_info("tuner %d atv rf input will be autoselected\n", |
|
priv->nr); |
|
else |
|
tuner_info("tuner %d atv rf input will be set to input %d (insmod option)\n", |
|
priv->nr, atv_input[priv->nr]); |
|
if (0 == dtv_input[priv->nr]) |
|
tuner_info("tuner %d dtv rf input will be autoselected\n", |
|
priv->nr); |
|
else |
|
tuner_info("tuner %d dtv rf input will be set to input %d (insmod option)\n", |
|
priv->nr, dtv_input[priv->nr]); |
|
} |
|
|
|
strscpy(fe->ops.tuner_ops.info.name, priv->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");
|
|
|