mirror of
https://github.com/edk2-porting/linux-next.git
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V4L/DVB (6133): tuner-simple: convert from tuner sub-driver into dvb_frontend module
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Acked-by: Mike Isely <isely@pobox.com> Acked-by: Steven Toth <stoth@hauppauge.com> Acked-by: Patrick Boettcher <pb@linuxtv.org> Acked-by: Jarod Wilson <jwilson@redhat.com> Acked-by: Trent Piepho <xyzzy@speakeasy.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky
Mauro Carvalho Chehab
parent
8d0936ed15
commit
4adad287de
@ -17,12 +17,14 @@
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#include <linux/init.h>
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#include <linux/videodev.h>
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#include <media/tuner.h>
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#include <media/tuner-types.h>
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#include <media/v4l2-common.h>
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#include "tuner-driver.h"
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#include "mt20xx.h"
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#include "tda8290.h"
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#include "tea5761.h"
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#include "tea5767.h"
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#include "tuner-simple.h"
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#define UNSET (-1U)
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@ -213,6 +215,15 @@ static void attach_tda8290(struct tuner *t)
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tda8290_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
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}
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static void attach_simple_tuner(struct tuner *t)
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{
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struct simple_tuner_config cfg = {
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.type = t->type,
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.tun = &tuners[t->type]
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};
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simple_tuner_attach(&t->fe, t->i2c.adapter, t->i2c.addr, &cfg);
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}
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static void set_type(struct i2c_client *c, unsigned int type,
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unsigned int new_mode_mask, unsigned int new_config,
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int (*tuner_callback) (void *dev, int command,int arg))
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@ -290,7 +301,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
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buffer[2] = 0x86;
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buffer[3] = 0x54;
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i2c_master_send(c, buffer, 4);
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default_tuner_init(t);
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attach_simple_tuner(t);
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break;
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case TUNER_PHILIPS_TD1316:
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buffer[0] = 0x0b;
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@ -298,13 +309,13 @@ static void set_type(struct i2c_client *c, unsigned int type,
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buffer[2] = 0x86;
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buffer[3] = 0xa4;
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i2c_master_send(c,buffer,4);
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default_tuner_init(t);
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attach_simple_tuner(t);
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break;
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case TUNER_TDA9887:
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tda9887_tuner_init(t);
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break;
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default:
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default_tuner_init(t);
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attach_simple_tuner(t);
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break;
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}
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@ -72,8 +72,6 @@ struct tuner {
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/* ------------------------------------------------------------------------ */
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extern int default_tuner_init(struct tuner *t);
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extern int tda9887_tuner_init(struct tuner *t);
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/* ------------------------------------------------------------------------ */
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@ -1,7 +1,8 @@
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/*
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*
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* i2c tv tuner chip device driver
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* controls all those simple 4-control-bytes style tuners.
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*
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* This "tuner-simple" module was split apart from the original "tuner" module.
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*/
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#include <linux/delay.h>
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#include <linux/i2c.h>
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@ -9,7 +10,14 @@
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#include <media/tuner.h>
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#include <media/v4l2-common.h>
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#include <media/tuner-types.h>
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#include "tuner-driver.h"
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#include "tuner-i2c.h"
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#include "tuner-simple.h"
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static int debug = 0;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "enable verbose debug messages");
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#define PREFIX "tuner-simple "
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static int offset = 0;
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module_param(offset, int, 0664);
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@ -85,13 +93,18 @@ MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
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struct tuner_simple_priv {
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u16 last_div;
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struct tuner_i2c_props i2c_props;
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unsigned int type;
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struct tunertype *tun;
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u32 frequency;
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};
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/* ---------------------------------------------------------------------- */
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static int tuner_getstatus(struct tuner *t)
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static int tuner_getstatus(struct dvb_frontend *fe)
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{
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struct tuner_simple_priv *priv = t->priv;
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struct tuner_simple_priv *priv = fe->tuner_priv;
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unsigned char byte;
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if (1 != tuner_i2c_xfer_recv(&priv->i2c_props,&byte,1))
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@ -100,18 +113,20 @@ static int tuner_getstatus(struct tuner *t)
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return byte;
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}
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static int tuner_signal(struct tuner *t)
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static int tuner_signal(struct dvb_frontend *fe)
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{
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return (tuner_getstatus(t) & TUNER_SIGNAL) << 13;
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return (tuner_getstatus(fe) & TUNER_SIGNAL) << 13;
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}
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static int tuner_stereo(struct tuner *t)
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static int tuner_stereo(struct dvb_frontend *fe)
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{
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struct tuner_simple_priv *priv = fe->tuner_priv;
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int stereo, status;
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status = tuner_getstatus(t);
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status = tuner_getstatus(fe);
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switch (t->type) {
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switch (priv->type) {
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case TUNER_PHILIPS_FM1216ME_MK3:
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case TUNER_PHILIPS_FM1236_MK3:
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case TUNER_PHILIPS_FM1256_IH3:
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@ -126,20 +141,38 @@ static int tuner_stereo(struct tuner *t)
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}
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static int simple_get_status(struct dvb_frontend *fe, u32 *status)
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{
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struct tuner_simple_priv *priv = fe->tuner_priv;
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int signal = tuner_signal(fe);
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*status = 0;
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if (signal)
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*status = TUNER_STATUS_LOCKED;
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if (tuner_stereo(fe))
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*status |= TUNER_STATUS_STEREO;
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tuner_dbg("tuner-simple: Signal strength: %d\n", signal);
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return 0;
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}
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/* ---------------------------------------------------------------------- */
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static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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static int simple_set_tv_freq(struct dvb_frontend *fe,
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struct analog_parameters *params)
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{
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struct tuner_simple_priv *priv = t->priv;
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struct tuner_simple_priv *priv = fe->tuner_priv;
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u8 config, cb, tuneraddr;
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u16 div;
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struct tunertype *tun;
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u8 buffer[4];
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int rc, IFPCoff, i, j;
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enum param_type desired_type;
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struct tuner_params *params;
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struct tuner_params *t_params;
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tun = &tuners[t->type];
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tun = priv->tun;
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/* IFPCoff = Video Intermediate Frequency - Vif:
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940 =16*58.75 NTSC/J (Japan)
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@ -153,14 +186,14 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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171.2=16*10.70 FM Radio (at set_radio_freq)
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*/
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if (t->std == V4L2_STD_NTSC_M_JP) {
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if (params->std == V4L2_STD_NTSC_M_JP) {
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IFPCoff = 940;
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desired_type = TUNER_PARAM_TYPE_NTSC;
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} else if ((t->std & V4L2_STD_MN) &&
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!(t->std & ~V4L2_STD_MN)) {
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} else if ((params->std & V4L2_STD_MN) &&
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!(params->std & ~V4L2_STD_MN)) {
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IFPCoff = 732;
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desired_type = TUNER_PARAM_TYPE_NTSC;
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} else if (t->std == V4L2_STD_SECAM_LC) {
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} else if (params->std == V4L2_STD_SECAM_LC) {
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IFPCoff = 543;
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desired_type = TUNER_PARAM_TYPE_SECAM;
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} else {
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@ -173,49 +206,49 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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continue;
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break;
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}
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/* use default tuner_params if desired_type not available */
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/* use default tuner_t_params if desired_type not available */
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if (desired_type != tun->params[j].type) {
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tuner_dbg("IFPCoff = %d: tuner_params undefined for tuner %d\n",
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IFPCoff,t->type);
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tuner_dbg("IFPCoff = %d: tuner_t_params undefined for tuner %d\n",
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IFPCoff, priv->type);
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j = 0;
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}
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params = &tun->params[j];
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t_params = &tun->params[j];
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for (i = 0; i < params->count; i++) {
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if (freq > params->ranges[i].limit)
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for (i = 0; i < t_params->count; i++) {
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if (params->frequency > t_params->ranges[i].limit)
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continue;
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break;
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}
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if (i == params->count) {
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if (i == t_params->count) {
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tuner_dbg("TV frequency out of range (%d > %d)",
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freq, params->ranges[i - 1].limit);
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freq = params->ranges[--i].limit;
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params->frequency, t_params->ranges[i - 1].limit);
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params->frequency = t_params->ranges[--i].limit;
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}
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config = params->ranges[i].config;
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cb = params->ranges[i].cb;
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config = t_params->ranges[i].config;
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cb = t_params->ranges[i].cb;
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/* i == 0 -> VHF_LO
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* i == 1 -> VHF_HI
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* i == 2 -> UHF */
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tuner_dbg("tv: param %d, range %d\n",j,i);
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div=freq + IFPCoff + offset;
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div=params->frequency + IFPCoff + offset;
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tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
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freq / 16, freq % 16 * 100 / 16,
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params->frequency / 16, params->frequency % 16 * 100 / 16,
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IFPCoff / 16, IFPCoff % 16 * 100 / 16,
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offset / 16, offset % 16 * 100 / 16,
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div);
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/* tv norm specific stuff for multi-norm tuners */
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switch (t->type) {
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switch (priv->type) {
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case TUNER_PHILIPS_SECAM: // FI1216MF
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/* 0x01 -> ??? no change ??? */
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/* 0x02 -> PAL BDGHI / SECAM L */
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/* 0x04 -> ??? PAL others / SECAM others ??? */
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cb &= ~0x03;
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if (t->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM
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if (params->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM
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cb |= PHILIPS_MF_SET_STD_L;
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else if (t->std & V4L2_STD_SECAM_LC)
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else if (params->std & V4L2_STD_SECAM_LC)
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cb |= PHILIPS_MF_SET_STD_LC;
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else /* V4L2_STD_B|V4L2_STD_GH */
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cb |= PHILIPS_MF_SET_STD_BG;
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@ -224,16 +257,16 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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case TUNER_TEMIC_4046FM5:
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cb &= ~0x0f;
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if (t->std & V4L2_STD_PAL_BG) {
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if (params->std & V4L2_STD_PAL_BG) {
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cb |= TEMIC_SET_PAL_BG;
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} else if (t->std & V4L2_STD_PAL_I) {
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} else if (params->std & V4L2_STD_PAL_I) {
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cb |= TEMIC_SET_PAL_I;
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} else if (t->std & V4L2_STD_PAL_DK) {
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} else if (params->std & V4L2_STD_PAL_DK) {
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cb |= TEMIC_SET_PAL_DK;
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} else if (t->std & V4L2_STD_SECAM_L) {
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} else if (params->std & V4L2_STD_SECAM_L) {
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cb |= TEMIC_SET_PAL_L;
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}
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@ -242,13 +275,13 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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case TUNER_PHILIPS_FQ1216ME:
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cb &= ~0x0f;
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if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
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if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
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cb |= PHILIPS_SET_PAL_BGDK;
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} else if (t->std & V4L2_STD_PAL_I) {
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} else if (params->std & V4L2_STD_PAL_I) {
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cb |= PHILIPS_SET_PAL_I;
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} else if (t->std & V4L2_STD_SECAM_L) {
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} else if (params->std & V4L2_STD_SECAM_L) {
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cb |= PHILIPS_SET_PAL_L;
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}
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@ -260,7 +293,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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/* 0x02 -> NTSC antenna input 1 */
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/* 0x03 -> NTSC antenna input 2 */
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cb &= ~0x03;
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if (!(t->std & V4L2_STD_ATSC))
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if (!(params->std & V4L2_STD_ATSC))
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cb |= 2;
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/* FIXME: input */
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break;
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@ -280,7 +313,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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buffer[2] = 0x17;
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buffer[3] = 0x00;
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cb &= ~0x40;
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if (t->std & V4L2_STD_ATSC) {
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if (params->std & V4L2_STD_ATSC) {
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cb |= 0x40;
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buffer[1] = 0x04;
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}
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@ -296,7 +329,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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break;
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}
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if (params->cb_first_if_lower_freq && div < priv->last_div) {
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if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
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buffer[0] = config;
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buffer[1] = cb;
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buffer[2] = (div>>8) & 0x7f;
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@ -308,42 +341,42 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
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buffer[3] = cb;
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}
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priv->last_div = div;
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if (params->has_tda9887) {
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if (t_params->has_tda9887) {
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int config = 0;
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int is_secam_l = (t->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) &&
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!(t->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC));
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int is_secam_l = (params->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) &&
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!(params->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC));
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if (t->std == V4L2_STD_SECAM_LC) {
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if (params->port1_active ^ params->port1_invert_for_secam_lc)
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if (params->std == V4L2_STD_SECAM_LC) {
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if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
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config |= TDA9887_PORT1_ACTIVE;
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if (params->port2_active ^ params->port2_invert_for_secam_lc)
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if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
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config |= TDA9887_PORT2_ACTIVE;
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}
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else {
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if (params->port1_active)
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if (t_params->port1_active)
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config |= TDA9887_PORT1_ACTIVE;
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if (params->port2_active)
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if (t_params->port2_active)
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config |= TDA9887_PORT2_ACTIVE;
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}
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if (params->intercarrier_mode)
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if (t_params->intercarrier_mode)
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config |= TDA9887_INTERCARRIER;
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if (is_secam_l) {
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if (i == 0 && params->default_top_secam_low)
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config |= TDA9887_TOP(params->default_top_secam_low);
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else if (i == 1 && params->default_top_secam_mid)
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config |= TDA9887_TOP(params->default_top_secam_mid);
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else if (params->default_top_secam_high)
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config |= TDA9887_TOP(params->default_top_secam_high);
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if (i == 0 && t_params->default_top_secam_low)
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config |= TDA9887_TOP(t_params->default_top_secam_low);
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else if (i == 1 && t_params->default_top_secam_mid)
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config |= TDA9887_TOP(t_params->default_top_secam_mid);
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else if (t_params->default_top_secam_high)
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config |= TDA9887_TOP(t_params->default_top_secam_high);
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}
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else {
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if (i == 0 && params->default_top_low)
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config |= TDA9887_TOP(params->default_top_low);
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else if (i == 1 && params->default_top_mid)
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config |= TDA9887_TOP(params->default_top_mid);
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else if (params->default_top_high)
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config |= TDA9887_TOP(params->default_top_high);
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if (i == 0 && t_params->default_top_low)
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config |= TDA9887_TOP(t_params->default_top_low);
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else if (i == 1 && t_params->default_top_mid)
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config |= TDA9887_TOP(t_params->default_top_mid);
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else if (t_params->default_top_high)
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config |= TDA9887_TOP(t_params->default_top_high);
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}
|
||||
if (params->default_pll_gating_18)
|
||||
if (t_params->default_pll_gating_18)
|
||||
config |= TDA9887_GATING_18;
|
||||
i2c_clients_command(priv->i2c_props.adap, TDA9887_SET_CONFIG, &config);
|
||||
}
|
||||
@ -353,7 +386,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
|
||||
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];
|
||||
@ -374,7 +407,7 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
|
||||
/* Wait until the PLL locks */
|
||||
for (;;) {
|
||||
if (time_after(jiffies,timeout))
|
||||
return;
|
||||
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;
|
||||
@ -398,27 +431,30 @@ static void default_set_tv_freq(struct tuner *t, unsigned int freq)
|
||||
break;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void default_set_radio_freq(struct tuner *t, unsigned int freq)
|
||||
static int simple_set_radio_freq(struct dvb_frontend *fe,
|
||||
struct analog_parameters *params)
|
||||
{
|
||||
struct tunertype *tun;
|
||||
struct tuner_simple_priv *priv = t->priv;
|
||||
struct tuner_simple_priv *priv = fe->tuner_priv;
|
||||
u8 buffer[4];
|
||||
u16 div;
|
||||
int rc, j;
|
||||
struct tuner_params *params;
|
||||
struct tuner_params *t_params;
|
||||
unsigned int freq = params->frequency;
|
||||
|
||||
tun = &tuners[t->type];
|
||||
tun = priv->tun;
|
||||
|
||||
for (j = tun->count-1; j > 0; j--)
|
||||
if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
|
||||
break;
|
||||
/* default params (j=0) will be used if desired type wasn't found */
|
||||
params = &tun->params[j];
|
||||
/* 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 (params->radio_if) {
|
||||
switch (t_params->radio_if) {
|
||||
case 0: /* 10.7 MHz */
|
||||
freq += (unsigned int)(10.7*16000);
|
||||
break;
|
||||
@ -429,16 +465,16 @@ static void default_set_radio_freq(struct tuner *t, unsigned int freq)
|
||||
freq += (unsigned int)(41.3*16000);
|
||||
break;
|
||||
default:
|
||||
tuner_warn("Unsupported radio_if value %d\n", params->radio_if);
|
||||
return;
|
||||
tuner_warn("Unsupported radio_if value %d\n", t_params->radio_if);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Bandswitch byte */
|
||||
switch (t->type) {
|
||||
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;
|
||||
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:
|
||||
@ -461,7 +497,7 @@ static void default_set_radio_freq(struct tuner *t, unsigned int freq)
|
||||
break;
|
||||
}
|
||||
|
||||
buffer[2] = (params->ranges[0].config & ~TUNER_RATIO_MASK) |
|
||||
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
|
||||
@ -469,7 +505,7 @@ static void default_set_radio_freq(struct tuner *t, unsigned int freq)
|
||||
freq * (1/800) */
|
||||
div = (freq + 400) / 800;
|
||||
|
||||
if (params->cb_first_if_lower_freq && div < priv->last_div) {
|
||||
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;
|
||||
@ -483,61 +519,105 @@ static void default_set_radio_freq(struct tuner *t, unsigned int freq)
|
||||
buffer[0],buffer[1],buffer[2],buffer[3]);
|
||||
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;
|
||||
if (params->radio_if == 2)
|
||||
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 = 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 void tuner_release(struct tuner *t)
|
||||
static int simple_set_params(struct dvb_frontend *fe,
|
||||
struct analog_parameters *params)
|
||||
{
|
||||
kfree(t->priv);
|
||||
t->priv = NULL;
|
||||
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 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,
|
||||
.release = tuner_release,
|
||||
|
||||
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,
|
||||
};
|
||||
|
||||
int default_tuner_init(struct tuner *t)
|
||||
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 -ENOMEM;
|
||||
t->priv = priv;
|
||||
return NULL;
|
||||
fe->tuner_priv = priv;
|
||||
|
||||
priv->i2c_props.addr = t->i2c.addr;
|
||||
priv->i2c_props.adap = t->i2c.adapter;
|
||||
priv->i2c_props.addr = i2c_addr;
|
||||
priv->i2c_props.adap = i2c_adap;
|
||||
priv->type = cfg->type;
|
||||
priv->tun = cfg->tun;
|
||||
|
||||
tuner_info("type set to %d (%s)\n",
|
||||
t->type, tuners[t->type].name);
|
||||
strlcpy(t->i2c.name, tuners[t->type].name, sizeof(t->i2c.name));
|
||||
memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, sizeof(struct dvb_tuner_ops));
|
||||
|
||||
memcpy(&t->ops, &simple_tuner_ops, sizeof(struct tuner_operations));
|
||||
tuner_info("type set to %d (%s)\n", cfg->type, cfg->tun->name);
|
||||
|
||||
return 0;
|
||||
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.
|
||||
* ---------------------------------------------------------------------------
|
||||
|
||||
35
drivers/media/video/tuner-simple.h
Normal file
35
drivers/media/video/tuner-simple.h
Normal file
@ -0,0 +1,35 @@
|
||||
/*
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
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.
|
||||
*/
|
||||
|
||||
#ifndef __TUNER_SIMPLE_H__
|
||||
#define __TUNER_SIMPLE_H__
|
||||
|
||||
#include <linux/i2c.h>
|
||||
#include "dvb_frontend.h"
|
||||
|
||||
struct simple_tuner_config
|
||||
{
|
||||
/* chip type */
|
||||
unsigned int type;
|
||||
struct tunertype *tun;
|
||||
};
|
||||
|
||||
extern struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
|
||||
struct i2c_adapter *i2c_adap,
|
||||
u8 i2c_addr,
|
||||
struct simple_tuner_config *cfg);
|
||||
|
||||
#endif /* __TUNER_SIMPLE_H__ */
|
||||
Loading…
Reference in New Issue
Block a user