2005-04-16 22:20:36 +00:00
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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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2007-08-28 00:59:08 +00:00
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*
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* This "tuner-simple" module was split apart from the original "tuner" module.
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2005-04-16 22:20:36 +00:00
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*/
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#include <linux/delay.h>
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#include <linux/i2c.h>
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2008-07-25 10:39:54 +00:00
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#include <linux/videodev2.h>
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2005-04-16 22:20:36 +00:00
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#include <media/tuner.h>
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2006-06-25 18:34:39 +00:00
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#include <media/v4l2-common.h>
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2007-06-26 16:12:08 +00:00
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#include <media/tuner-types.h>
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2007-08-28 00:59:08 +00:00
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#include "tuner-i2c.h"
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#include "tuner-simple.h"
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2008-04-22 17:41:44 +00:00
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static int debug;
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2007-08-28 00:59:08 +00:00
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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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2008-04-22 17:46:12 +00:00
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#define TUNER_SIMPLE_MAX 64
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static unsigned int simple_devcount;
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2008-04-22 17:41:44 +00:00
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static int offset;
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2006-08-13 00:59:19 +00:00
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module_param(offset, int, 0664);
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2008-04-22 17:41:44 +00:00
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MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner");
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2006-01-09 17:25:11 +00:00
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2008-04-22 17:46:12 +00:00
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static unsigned int atv_input[TUNER_SIMPLE_MAX] = \
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{ [0 ... (TUNER_SIMPLE_MAX-1)] = 0 };
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static unsigned int dtv_input[TUNER_SIMPLE_MAX] = \
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{ [0 ... (TUNER_SIMPLE_MAX-1)] = 0 };
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module_param_array(atv_input, int, NULL, 0644);
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module_param_array(dtv_input, int, NULL, 0644);
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MODULE_PARM_DESC(atv_input, "specify atv rf input, 0 for autoselect");
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MODULE_PARM_DESC(dtv_input, "specify dtv rf input, 0 for autoselect");
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2005-04-16 22:20:36 +00:00
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/* ---------------------------------------------------------------------- */
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/* tv standard selection for Temic 4046 FM5
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this value takes the low bits of control byte 2
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from datasheet Rev.01, Feb.00
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standard BG I L L2 D
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picture IF 38.9 38.9 38.9 33.95 38.9
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sound 1 33.4 32.9 32.4 40.45 32.4
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sound 2 33.16
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NICAM 33.05 32.348 33.05 33.05
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*/
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#define TEMIC_SET_PAL_I 0x05
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#define TEMIC_SET_PAL_DK 0x09
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2008-04-22 17:41:44 +00:00
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#define TEMIC_SET_PAL_L 0x0a /* SECAM ? */
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#define TEMIC_SET_PAL_L2 0x0b /* change IF ! */
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2005-04-16 22:20:36 +00:00
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#define TEMIC_SET_PAL_BG 0x0c
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/* tv tuner system standard selection for Philips FQ1216ME
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this value takes the low bits of control byte 2
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from datasheet "1999 Nov 16" (supersedes "1999 Mar 23")
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standard BG DK I L L`
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picture carrier 38.90 38.90 38.90 38.90 33.95
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colour 34.47 34.47 34.47 34.47 38.38
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sound 1 33.40 32.40 32.90 32.40 40.45
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sound 2 33.16 - - - -
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NICAM 33.05 33.05 32.35 33.05 39.80
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*/
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#define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/
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#define PHILIPS_SET_PAL_BGDK 0x09
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#define PHILIPS_SET_PAL_L2 0x0a
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#define PHILIPS_SET_PAL_L 0x0b
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/* system switching for Philips FI1216MF MK2
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from datasheet "1996 Jul 09",
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standard BG L L'
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picture carrier 38.90 38.90 33.95
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colour 34.47 34.37 38.38
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sound 1 33.40 32.40 40.45
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sound 2 33.16 - -
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NICAM 33.05 33.05 39.80
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*/
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2007-05-21 14:39:21 +00:00
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#define PHILIPS_MF_SET_STD_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
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#define PHILIPS_MF_SET_STD_L 0x03 /* Used on Secam France */
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#define PHILIPS_MF_SET_STD_LC 0x02 /* Used on SECAM L' */
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2005-04-16 22:20:36 +00:00
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2005-07-12 20:58:55 +00:00
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/* Control byte */
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#define TUNER_RATIO_MASK 0x06 /* Bit cb1:cb2 */
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#define TUNER_RATIO_SELECT_50 0x00
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#define TUNER_RATIO_SELECT_32 0x02
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#define TUNER_RATIO_SELECT_166 0x04
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#define TUNER_RATIO_SELECT_62 0x06
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#define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */
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/* Status byte */
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#define TUNER_POR 0x80
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#define TUNER_FL 0x40
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#define TUNER_MODE 0x38
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#define TUNER_AFC 0x07
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#define TUNER_SIGNAL 0x07
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#define TUNER_STEREO 0x10
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#define TUNER_PLL_LOCKED 0x40
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#define TUNER_STEREO_MK3 0x04
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2005-04-16 22:20:36 +00:00
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2008-04-22 17:45:52 +00:00
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static DEFINE_MUTEX(tuner_simple_list_mutex);
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static LIST_HEAD(hybrid_tuner_instance_list);
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2007-08-11 18:42:12 +00:00
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struct tuner_simple_priv {
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2008-04-22 17:46:12 +00:00
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unsigned int nr;
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2007-08-11 18:42:12 +00:00
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u16 last_div;
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2008-04-22 17:45:52 +00:00
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2007-08-21 04:24:42 +00:00
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struct tuner_i2c_props i2c_props;
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2008-04-22 17:45:52 +00:00
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struct list_head hybrid_tuner_instance_list;
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2007-08-28 00:59:08 +00:00
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unsigned int type;
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struct tunertype *tun;
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u32 frequency;
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2008-04-22 17:45:52 +00:00
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u32 bandwidth;
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2007-08-11 18:42:12 +00:00
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};
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2005-04-16 22:20:36 +00:00
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/* ---------------------------------------------------------------------- */
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2007-08-31 19:39:39 +00:00
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static int tuner_read_status(struct dvb_frontend *fe)
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2005-04-16 22:20:36 +00:00
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{
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2007-08-28 00:59:08 +00:00
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struct tuner_simple_priv *priv = fe->tuner_priv;
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2005-04-16 22:20:36 +00:00
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unsigned char byte;
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2008-04-22 17:41:44 +00:00
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if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1))
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2005-04-16 22:20:36 +00:00
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return 0;
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2005-06-24 05:05:07 +00:00
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2005-04-16 22:20:36 +00:00
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return byte;
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}
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2007-08-31 19:39:39 +00:00
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static inline int tuner_signal(const int status)
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2005-04-16 22:20:36 +00:00
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{
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2007-08-31 19:39:39 +00:00
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return (status & TUNER_SIGNAL) << 13;
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2005-04-16 22:20:36 +00:00
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}
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2007-08-31 19:39:39 +00:00
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static inline int tuner_stereo(const int type, const int status)
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2005-04-16 22:20:36 +00:00
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{
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2007-08-31 19:39:39 +00:00
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switch (type) {
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2008-04-22 17:41:44 +00:00
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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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case TUNER_LG_NTSC_TAPE:
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2008-08-05 13:11:25 +00:00
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case TUNER_TCL_MF02GIP_5N:
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2008-04-22 17:41:44 +00:00
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return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
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2009-08-27 01:06:28 +00:00
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case TUNER_PHILIPS_FM1216MK5:
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return status | TUNER_STEREO;
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2008-04-22 17:41:44 +00:00
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default:
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return status & TUNER_STEREO;
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2005-06-24 05:05:07 +00:00
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}
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2007-08-31 19:39:39 +00:00
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}
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2005-06-24 05:05:07 +00:00
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2007-08-31 19:39:39 +00:00
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static inline int tuner_islocked(const int status)
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{
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return (status & TUNER_FL);
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}
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static inline int tuner_afcstatus(const int status)
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{
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return (status & TUNER_AFC) - 2;
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2005-04-16 22:20:36 +00:00
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}
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2007-08-28 00:59:08 +00:00
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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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2008-04-22 17:45:52 +00:00
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int tuner_status;
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if (priv->i2c_props.adap == NULL)
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return -EINVAL;
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tuner_status = tuner_read_status(fe);
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2007-08-28 00:59:08 +00:00
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*status = 0;
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2007-08-31 19:39:39 +00:00
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if (tuner_islocked(tuner_status))
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2007-08-28 00:59:08 +00:00
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*status = TUNER_STATUS_LOCKED;
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2007-08-31 19:39:39 +00:00
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if (tuner_stereo(priv->type, tuner_status))
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2007-08-28 00:59:08 +00:00
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*status |= TUNER_STATUS_STEREO;
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2007-08-31 19:39:39 +00:00
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tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status));
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return 0;
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}
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static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength)
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{
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struct tuner_simple_priv *priv = fe->tuner_priv;
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2008-04-22 17:45:52 +00:00
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int signal;
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if (priv->i2c_props.adap == NULL)
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return -EINVAL;
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signal = tuner_signal(tuner_read_status(fe));
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2007-08-31 19:39:39 +00:00
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*strength = signal;
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tuner_dbg("Signal strength: %d\n", signal);
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2007-08-28 00:59:08 +00:00
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return 0;
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}
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2005-04-16 22:20:36 +00:00
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/* ---------------------------------------------------------------------- */
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2008-04-22 17:41:48 +00:00
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static inline char *tuner_param_name(enum param_type type)
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{
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char *name;
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switch (type) {
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case TUNER_PARAM_TYPE_RADIO:
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name = "radio";
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break;
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case TUNER_PARAM_TYPE_PAL:
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name = "pal";
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break;
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case TUNER_PARAM_TYPE_SECAM:
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name = "secam";
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break;
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case TUNER_PARAM_TYPE_NTSC:
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name = "ntsc";
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break;
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2008-04-22 17:45:52 +00:00
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case TUNER_PARAM_TYPE_DIGITAL:
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name = "digital";
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break;
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2008-04-22 17:41:48 +00:00
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default:
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name = "unknown";
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break;
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}
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return name;
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}
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static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe,
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enum param_type desired_type)
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{
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struct tuner_simple_priv *priv = fe->tuner_priv;
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struct tunertype *tun = priv->tun;
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int i;
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for (i = 0; i < tun->count; i++)
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if (desired_type == tun->params[i].type)
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break;
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/* use default tuner params if desired_type not available */
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if (i == tun->count) {
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tuner_dbg("desired params (%s) undefined for tuner %d\n",
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tuner_param_name(desired_type), priv->type);
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i = 0;
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}
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tuner_dbg("using tuner params #%d (%s)\n", i,
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tuner_param_name(tun->params[i].type));
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return &tun->params[i];
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}
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static int simple_config_lookup(struct dvb_frontend *fe,
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struct tuner_params *t_params,
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2008-09-03 20:11:54 +00:00
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unsigned *frequency, u8 *config, u8 *cb)
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2008-04-22 17:41:48 +00:00
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{
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struct tuner_simple_priv *priv = fe->tuner_priv;
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int i;
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for (i = 0; i < t_params->count; i++) {
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if (*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 == t_params->count) {
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tuner_dbg("frequency out of range (%d > %d)\n",
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*frequency, t_params->ranges[i - 1].limit);
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*frequency = t_params->ranges[--i].limit;
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}
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*config = t_params->ranges[i].config;
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*cb = t_params->ranges[i].cb;
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2008-04-22 17:41:49 +00:00
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tuner_dbg("freq = %d.%02d (%d), range = %d, "
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"config = 0x%02x, cb = 0x%02x\n",
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*frequency / 16, *frequency % 16 * 100 / 16, *frequency,
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i, *config, *cb);
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2008-04-22 17:41:48 +00:00
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return i;
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}
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/* ---------------------------------------------------------------------- */
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2008-04-22 17:45:55 +00:00
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static void simple_set_rf_input(struct dvb_frontend *fe,
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u8 *config, u8 *cb, unsigned int rf)
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{
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struct tuner_simple_priv *priv = fe->tuner_priv;
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switch (priv->type) {
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case TUNER_PHILIPS_TUV1236D:
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switch (rf) {
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case 1:
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*cb |= 0x08;
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break;
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default:
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*cb &= ~0x08;
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break;
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}
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break;
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2008-04-22 17:46:05 +00:00
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case TUNER_PHILIPS_FCV1236D:
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2008-04-22 17:45:55 +00:00
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switch (rf) {
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case 1:
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*cb |= 0x01;
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break;
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default:
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*cb &= ~0x01;
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break;
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}
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break;
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default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-04-22 17:41:51 +00:00
|
|
|
static int simple_std_setup(struct dvb_frontend *fe,
|
|
|
|
struct analog_parameters *params,
|
V4L/DVB (7235): tuner-simple: fix a buffer overflow
simple_set_tv() creates a buffer with 4 elements, and calls
simple_std_setup(), passing &buffer[1]. This makes the 5th element of buffer to
be initialized to 0, overriding some area outside the buffer.
Also, simple_std_setup() receives a buffer as parameter, but the buffer is
just overriden after the call, so, it doesn't make much sense to pass it as a
parameter.
This patch removes buffer[] from the function call, creating, instead, a local
var to be used internally.
Thanks to Axel Rometsch <axel.rometsch@freenet.de> for pointing the issue.
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-04-22 17:42:13 +00:00
|
|
|
u8 *config, u8 *cb)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2007-08-28 00:59:08 +00:00
|
|
|
struct tuner_simple_priv *priv = fe->tuner_priv;
|
2008-04-22 17:41:51 +00:00
|
|
|
int rc;
|
2006-02-07 08:25:33 +00:00
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
/* tv norm specific stuff for multi-norm tuners */
|
2007-08-28 00:59:08 +00:00
|
|
|
switch (priv->type) {
|
2008-04-22 17:41:44 +00:00
|
|
|
case TUNER_PHILIPS_SECAM: /* FI1216MF */
|
2005-04-16 22:20:36 +00:00
|
|
|
/* 0x01 -> ??? no change ??? */
|
|
|
|
/* 0x02 -> PAL BDGHI / SECAM L */
|
|
|
|
/* 0x04 -> ??? PAL others / SECAM others ??? */
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb &= ~0x03;
|
2008-04-22 17:41:44 +00:00
|
|
|
if (params->std & V4L2_STD_SECAM_L)
|
|
|
|
/* also valid for V4L2_STD_SECAM */
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= PHILIPS_MF_SET_STD_L;
|
2007-08-28 00:59:08 +00:00
|
|
|
else if (params->std & V4L2_STD_SECAM_LC)
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= PHILIPS_MF_SET_STD_LC;
|
2007-05-21 14:15:09 +00:00
|
|
|
else /* V4L2_STD_B|V4L2_STD_GH */
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= PHILIPS_MF_SET_STD_BG;
|
2005-04-16 22:20:36 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case TUNER_TEMIC_4046FM5:
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb &= ~0x0f;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
if (params->std & V4L2_STD_PAL_BG) {
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= TEMIC_SET_PAL_BG;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
} else if (params->std & V4L2_STD_PAL_I) {
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= TEMIC_SET_PAL_I;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
} else if (params->std & V4L2_STD_PAL_DK) {
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= TEMIC_SET_PAL_DK;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
} else if (params->std & V4L2_STD_SECAM_L) {
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= TEMIC_SET_PAL_L;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case TUNER_PHILIPS_FQ1216ME:
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb &= ~0x0f;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= PHILIPS_SET_PAL_BGDK;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
} else if (params->std & V4L2_STD_PAL_I) {
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= PHILIPS_SET_PAL_I;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
} else if (params->std & V4L2_STD_SECAM_L) {
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= PHILIPS_SET_PAL_L;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
2008-04-22 17:46:05 +00:00
|
|
|
case TUNER_PHILIPS_FCV1236D:
|
2005-04-16 22:20:36 +00:00
|
|
|
/* 0x00 -> ATSC antenna input 1 */
|
|
|
|
/* 0x01 -> ATSC antenna input 2 */
|
|
|
|
/* 0x02 -> NTSC antenna input 1 */
|
|
|
|
/* 0x03 -> NTSC antenna input 2 */
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb &= ~0x03;
|
2007-08-28 00:59:08 +00:00
|
|
|
if (!(params->std & V4L2_STD_ATSC))
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= 2;
|
2005-04-16 22:20:36 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case TUNER_MICROTUNE_4042FI5:
|
|
|
|
/* Set the charge pump for fast tuning */
|
2008-04-22 17:41:51 +00:00
|
|
|
*config |= TUNER_CHARGE_PUMP;
|
2005-04-16 22:20:36 +00:00
|
|
|
break;
|
2005-11-09 05:37:04 +00:00
|
|
|
|
|
|
|
case TUNER_PHILIPS_TUV1236D:
|
V4L/DVB (7235): tuner-simple: fix a buffer overflow
simple_set_tv() creates a buffer with 4 elements, and calls
simple_std_setup(), passing &buffer[1]. This makes the 5th element of buffer to
be initialized to 0, overriding some area outside the buffer.
Also, simple_std_setup() receives a buffer as parameter, but the buffer is
just overriden after the call, so, it doesn't make much sense to pass it as a
parameter.
This patch removes buffer[] from the function call, creating, instead, a local
var to be used internally.
Thanks to Axel Rometsch <axel.rometsch@freenet.de> for pointing the issue.
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-04-22 17:42:13 +00:00
|
|
|
{
|
V4L/DVB (10527): tuner: fix TUV1236D analog/digital setup
As reported by David Engel <david@istwok.net>, ATSC115 doesn't work
fine with mythtv. This software opens both analog and dvb interfaces of
saa7134.
What happens is that some tuner commands are going to the wrong place,
as shown at the logs:
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: using tuner params #0 (ntsc)
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: freq = 67.25 (1076), range = 0, config = 0xce, cb = 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: Freq= 67.25 MHz, V_IF=45.75 MHz, Offset=0.00 MHz, div=1808
Feb 12 20:37:48 opus kernel: tuner 1-0061: tv freq set to 67.25
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: using tuner params #0 (ntsc)
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: freq = 67.25 (1076), range = 0, config = 0xce, cb = 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: Freq= 67.25 MHz, V_IF=45.75 MHz, Offset=0.00 MHz, div=1808
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: tv 0x07 0x10 0xce 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: tv 0x07 0x10 0xce 0x01
This happens due to a hack at TUV1236D analog setup, where it replaces
tuner address, at 0x61 for 0x0a, in order to save a few memory bytes.
The code assumes that nobody else would try to access the tuner during
that setup, but the point is that there's no lock to protect such
access. So, this opens the possibility of race conditions to happen.
Instead of hacking tuner address, this patch uses a temporary var with
the proper tuner value to be used during the setup. This should save
the issue, although we should consider to write some analog/digital
lock at saa7134 driver.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-13 11:24:34 +00:00
|
|
|
struct tuner_i2c_props i2c = priv->i2c_props;
|
2005-11-09 05:37:04 +00:00
|
|
|
/* 0x40 -> ATSC antenna input 1 */
|
|
|
|
/* 0x48 -> ATSC antenna input 2 */
|
|
|
|
/* 0x00 -> NTSC antenna input 1 */
|
|
|
|
/* 0x08 -> NTSC antenna input 2 */
|
V4L/DVB (7235): tuner-simple: fix a buffer overflow
simple_set_tv() creates a buffer with 4 elements, and calls
simple_std_setup(), passing &buffer[1]. This makes the 5th element of buffer to
be initialized to 0, overriding some area outside the buffer.
Also, simple_std_setup() receives a buffer as parameter, but the buffer is
just overriden after the call, so, it doesn't make much sense to pass it as a
parameter.
This patch removes buffer[] from the function call, creating, instead, a local
var to be used internally.
Thanks to Axel Rometsch <axel.rometsch@freenet.de> for pointing the issue.
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-04-22 17:42:13 +00:00
|
|
|
u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00};
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb &= ~0x40;
|
2007-08-28 00:59:08 +00:00
|
|
|
if (params->std & V4L2_STD_ATSC) {
|
2008-04-22 17:41:51 +00:00
|
|
|
*cb |= 0x40;
|
2005-11-09 05:38:18 +00:00
|
|
|
buffer[1] = 0x04;
|
|
|
|
}
|
|
|
|
/* set to the correct mode (analog or digital) */
|
V4L/DVB (10527): tuner: fix TUV1236D analog/digital setup
As reported by David Engel <david@istwok.net>, ATSC115 doesn't work
fine with mythtv. This software opens both analog and dvb interfaces of
saa7134.
What happens is that some tuner commands are going to the wrong place,
as shown at the logs:
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: using tuner params #0 (ntsc)
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: freq = 67.25 (1076), range = 0, config = 0xce, cb = 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: Freq= 67.25 MHz, V_IF=45.75 MHz, Offset=0.00 MHz, div=1808
Feb 12 20:37:48 opus kernel: tuner 1-0061: tv freq set to 67.25
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: using tuner params #0 (ntsc)
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: freq = 67.25 (1076), range = 0, config = 0xce, cb = 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: Freq= 67.25 MHz, V_IF=45.75 MHz, Offset=0.00 MHz, div=1808
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: tv 0x07 0x10 0xce 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: tv 0x07 0x10 0xce 0x01
This happens due to a hack at TUV1236D analog setup, where it replaces
tuner address, at 0x61 for 0x0a, in order to save a few memory bytes.
The code assumes that nobody else would try to access the tuner during
that setup, but the point is that there's no lock to protect such
access. So, this opens the possibility of race conditions to happen.
Instead of hacking tuner address, this patch uses a temporary var with
the proper tuner value to be used during the setup. This should save
the issue, although we should consider to write some analog/digital
lock at saa7134 driver.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-13 11:24:34 +00:00
|
|
|
i2c.addr = 0x0a;
|
|
|
|
rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2);
|
2008-04-22 17:41:44 +00:00
|
|
|
if (2 != rc)
|
|
|
|
tuner_warn("i2c i/o error: rc == %d "
|
|
|
|
"(should be 2)\n", rc);
|
V4L/DVB (10527): tuner: fix TUV1236D analog/digital setup
As reported by David Engel <david@istwok.net>, ATSC115 doesn't work
fine with mythtv. This software opens both analog and dvb interfaces of
saa7134.
What happens is that some tuner commands are going to the wrong place,
as shown at the logs:
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: using tuner params #0 (ntsc)
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: freq = 67.25 (1076), range = 0, config = 0xce, cb = 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: Freq= 67.25 MHz, V_IF=45.75 MHz, Offset=0.00 MHz, div=1808
Feb 12 20:37:48 opus kernel: tuner 1-0061: tv freq set to 67.25
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: using tuner params #0 (ntsc)
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: freq = 67.25 (1076), range = 0, config = 0xce, cb = 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: Freq= 67.25 MHz, V_IF=45.75 MHz, Offset=0.00 MHz, div=1808
Feb 12 20:37:48 opus kernel: tuner-simple 1-000a: tv 0x07 0x10 0xce 0x01
Feb 12 20:37:48 opus kernel: tuner-simple 1-0061: tv 0x07 0x10 0xce 0x01
This happens due to a hack at TUV1236D analog setup, where it replaces
tuner address, at 0x61 for 0x0a, in order to save a few memory bytes.
The code assumes that nobody else would try to access the tuner during
that setup, but the point is that there's no lock to protect such
access. So, this opens the possibility of race conditions to happen.
Instead of hacking tuner address, this patch uses a temporary var with
the proper tuner value to be used during the setup. This should save
the issue, although we should consider to write some analog/digital
lock at saa7134 driver.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-02-13 11:24:34 +00:00
|
|
|
rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2);
|
2008-04-22 17:41:44 +00:00
|
|
|
if (2 != rc)
|
|
|
|
tuner_warn("i2c i/o error: rc == %d "
|
|
|
|
"(should be 2)\n", rc);
|
2005-11-09 05:37:04 +00:00
|
|
|
break;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
V4L/DVB (7235): tuner-simple: fix a buffer overflow
simple_set_tv() creates a buffer with 4 elements, and calls
simple_std_setup(), passing &buffer[1]. This makes the 5th element of buffer to
be initialized to 0, overriding some area outside the buffer.
Also, simple_std_setup() receives a buffer as parameter, but the buffer is
just overriden after the call, so, it doesn't make much sense to pass it as a
parameter.
This patch removes buffer[] from the function call, creating, instead, a local
var to be used internally.
Thanks to Axel Rometsch <axel.rometsch@freenet.de> for pointing the issue.
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-04-22 17:42:13 +00:00
|
|
|
}
|
2008-04-22 17:46:12 +00:00
|
|
|
if (atv_input[priv->nr])
|
|
|
|
simple_set_rf_input(fe, config, cb, atv_input[priv->nr]);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-04-22 17:41:51 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-06-08 00:39:03 +00:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2008-04-22 17:41:51 +00:00
|
|
|
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:
|
2009-06-08 00:39:03 +00:00
|
|
|
simple_set_aux_byte(fe, config, 0x20);
|
|
|
|
break;
|
|
|
|
case TUNER_PHILIPS_FQ1216LME_MK3:
|
|
|
|
simple_set_aux_byte(fe, config, 0x60); /* External AGC */
|
2008-04-22 17:41:51 +00:00
|
|
|
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 0;
|
|
|
|
case TUNER_PHILIPS_FM1216ME_MK3:
|
|
|
|
case TUNER_PHILIPS_FM1236_MK3:
|
|
|
|
case TUNER_PHILIPS_FMD1216ME_MK3:
|
2008-10-15 17:14:30 +00:00
|
|
|
case TUNER_PHILIPS_FMD1216MEX_MK3:
|
2008-04-22 17:41:51 +00:00
|
|
|
case TUNER_LG_NTSC_TAPE:
|
|
|
|
case TUNER_PHILIPS_FM1256_IH3:
|
2008-08-05 13:11:25 +00:00
|
|
|
case TUNER_TCL_MF02GIP_5N:
|
2008-04-22 17:41:51 +00:00
|
|
|
buffer[3] = 0x19;
|
|
|
|
break;
|
2009-08-27 01:06:28 +00:00
|
|
|
case TUNER_PHILIPS_FM1216MK5:
|
|
|
|
buffer[2] = 0x88;
|
|
|
|
buffer[3] = 0x09;
|
|
|
|
break;
|
2008-04-22 17:41:51 +00:00
|
|
|
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;
|
2009-06-08 00:39:03 +00:00
|
|
|
case TUNER_PHILIPS_FQ1216LME_MK3:
|
2010-06-12 23:20:36 +00:00
|
|
|
case TUNER_PHILIPS_FQ1236_MK5:
|
2009-06-08 00:39:03 +00:00
|
|
|
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;
|
2008-04-22 17:41:51 +00:00
|
|
|
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 */
|
V4L/DVB (7235): tuner-simple: fix a buffer overflow
simple_set_tv() creates a buffer with 4 elements, and calls
simple_std_setup(), passing &buffer[1]. This makes the 5th element of buffer to
be initialized to 0, overriding some area outside the buffer.
Also, simple_std_setup() receives a buffer as parameter, but the buffer is
just overriden after the call, so, it doesn't make much sense to pass it as a
parameter.
This patch removes buffer[] from the function call, creating, instead, a local
var to be used internally.
Thanks to Axel Rometsch <axel.rometsch@freenet.de> for pointing the issue.
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2008-04-22 17:42:13 +00:00
|
|
|
simple_std_setup(fe, params, &config, &cb);
|
2008-04-22 17:41:51 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
|
2006-01-23 19:11:11 +00:00
|
|
|
buffer[0] = config;
|
2006-01-23 19:11:11 +00:00
|
|
|
buffer[1] = cb;
|
2005-04-16 22:20:36 +00:00
|
|
|
buffer[2] = (div>>8) & 0x7f;
|
|
|
|
buffer[3] = div & 0xff;
|
|
|
|
} else {
|
|
|
|
buffer[0] = (div>>8) & 0x7f;
|
|
|
|
buffer[1] = div & 0xff;
|
2006-01-23 19:11:11 +00:00
|
|
|
buffer[2] = config;
|
2006-01-23 19:11:11 +00:00
|
|
|
buffer[3] = cb;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
2007-08-11 18:42:12 +00:00
|
|
|
priv->last_div = div;
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->has_tda9887) {
|
2007-10-18 22:56:47 +00:00
|
|
|
struct v4l2_priv_tun_config tda9887_cfg;
|
2008-09-03 20:11:54 +00:00
|
|
|
int tda_config = 0;
|
2008-04-22 17:41:44 +00:00
|
|
|
int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
|
|
|
|
V4L2_STD_SECAM_LC)) &&
|
|
|
|
!(params->std & ~(V4L2_STD_SECAM_L |
|
|
|
|
V4L2_STD_SECAM_LC));
|
2006-06-25 18:34:39 +00:00
|
|
|
|
2007-10-18 22:56:47 +00:00
|
|
|
tda9887_cfg.tuner = TUNER_TDA9887;
|
2008-09-03 20:11:54 +00:00
|
|
|
tda9887_cfg.priv = &tda_config;
|
2007-10-18 22:56:47 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
if (params->std == V4L2_STD_SECAM_LC) {
|
|
|
|
if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_PORT1_ACTIVE;
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_PORT2_ACTIVE;
|
2008-04-22 17:41:44 +00:00
|
|
|
} else {
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->port1_active)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_PORT1_ACTIVE;
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->port2_active)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_PORT2_ACTIVE;
|
2006-06-25 18:34:39 +00:00
|
|
|
}
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->intercarrier_mode)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_INTERCARRIER;
|
2006-06-25 18:34:39 +00:00
|
|
|
if (is_secam_l) {
|
2007-08-28 00:59:08 +00:00
|
|
|
if (i == 0 && t_params->default_top_secam_low)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_TOP(t_params->default_top_secam_low);
|
2007-08-28 00:59:08 +00:00
|
|
|
else if (i == 1 && t_params->default_top_secam_mid)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_TOP(t_params->default_top_secam_mid);
|
2007-08-28 00:59:08 +00:00
|
|
|
else if (t_params->default_top_secam_high)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_TOP(t_params->default_top_secam_high);
|
2008-04-22 17:41:44 +00:00
|
|
|
} else {
|
2007-08-28 00:59:08 +00:00
|
|
|
if (i == 0 && t_params->default_top_low)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_TOP(t_params->default_top_low);
|
2007-08-28 00:59:08 +00:00
|
|
|
else if (i == 1 && t_params->default_top_mid)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_TOP(t_params->default_top_mid);
|
2007-08-28 00:59:08 +00:00
|
|
|
else if (t_params->default_top_high)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_TOP(t_params->default_top_high);
|
2006-06-25 18:34:39 +00:00
|
|
|
}
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->default_pll_gating_18)
|
2008-09-03 20:11:54 +00:00
|
|
|
tda_config |= TDA9887_GATING_18;
|
2007-10-18 22:56:47 +00:00
|
|
|
i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
|
|
|
|
&tda9887_cfg);
|
2006-06-25 18:34:39 +00:00
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
|
2008-04-22 17:41:44 +00:00
|
|
|
buffer[0], buffer[1], buffer[2], buffer[3]);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-04-22 17:41:44 +00:00
|
|
|
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);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-04-22 17:41:51 +00:00
|
|
|
simple_post_tune(fe, &buffer[0], div, config, cb);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
return 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
static int simple_set_radio_freq(struct dvb_frontend *fe,
|
|
|
|
struct analog_parameters *params)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
|
|
|
struct tunertype *tun;
|
2007-08-28 00:59:08 +00:00
|
|
|
struct tuner_simple_priv *priv = fe->tuner_priv;
|
2006-01-15 17:04:52 +00:00
|
|
|
u8 buffer[4];
|
|
|
|
u16 div;
|
V4L/DVB (3359): Redesign tuners struct for maximum flexibility
- Tunertype struct redefined to allow one or more tuner_params structs
per tuner definition, one for each video standard.
- Each tuner_params struct has an element containing an arbitrary
amount of tuner_ranges.
(this is needed for dvb tuners - to be handled later)
- A tuner_range may be referenced by multiple tuner_params structs.
There are many duplicates in here. Reusing tuner_range structs,
rather than defining new ones for each tuner, will cut down on
memory usage, and is preferred when possible.
- tunertype struct contains an element, has_tda988x.
We must set this for all tunertypes that contain a tda988x
chip, and then we can remove this setting from the various
card structs.
- Improves tuners array memory usage efficiency.
- Right now, all tuners are using the first tuner_params[] array element
for analog mode. In the future, we will be merging similar tuner
definitions together, such that each tuner definition will have a
tuner_params struct for each available video standard. At that point,
the tuner_params[] array element will be chosen based on the video
standard in use.
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2006-01-13 16:10:25 +00:00
|
|
|
int rc, j;
|
2007-08-28 00:59:08 +00:00
|
|
|
struct tuner_params *t_params;
|
|
|
|
unsigned int freq = params->frequency;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
tun = priv->tun;
|
2006-02-07 08:25:34 +00:00
|
|
|
|
2007-08-03 21:32:38 +00:00
|
|
|
for (j = tun->count-1; j > 0; j--)
|
|
|
|
if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
|
|
|
|
break;
|
2007-08-28 00:59:08 +00:00
|
|
|
/* default t_params (j=0) will be used if desired type wasn't found */
|
|
|
|
t_params = &tun->params[j];
|
2007-08-03 21:32:38 +00:00
|
|
|
|
|
|
|
/* Select Radio 1st IF used */
|
2007-08-28 00:59:08 +00:00
|
|
|
switch (t_params->radio_if) {
|
2007-08-03 21:32:38 +00:00
|
|
|
case 0: /* 10.7 MHz */
|
|
|
|
freq += (unsigned int)(10.7*16000);
|
2006-02-07 08:25:34 +00:00
|
|
|
break;
|
2007-08-03 21:32:38 +00:00
|
|
|
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:
|
2008-04-22 17:41:44 +00:00
|
|
|
tuner_warn("Unsupported radio_if value %d\n",
|
|
|
|
t_params->radio_if);
|
2007-08-28 00:59:08 +00:00
|
|
|
return 0;
|
2006-02-07 08:25:34 +00:00
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) |
|
2007-08-03 21:32:38 +00:00
|
|
|
TUNER_RATIO_SELECT_50; /* 50 kHz step */
|
|
|
|
|
2009-05-25 01:22:41 +00:00
|
|
|
/* Bandswitch byte */
|
|
|
|
simple_radio_bandswitch(fe, &buffer[0]);
|
|
|
|
|
2007-08-03 21:32:38 +00:00
|
|
|
/* 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;
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->cb_first_if_lower_freq && div < priv->last_div) {
|
2006-01-15 17:04:52 +00:00
|
|
|
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;
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
|
2008-04-22 17:41:44 +00:00
|
|
|
buffer[0], buffer[1], buffer[2], buffer[3]);
|
2007-08-11 18:42:12 +00:00
|
|
|
priv->last_div = div;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->has_tda9887) {
|
2006-06-25 18:34:39 +00:00
|
|
|
int config = 0;
|
2007-10-18 22:56:47 +00:00
|
|
|
struct v4l2_priv_tun_config tda9887_cfg;
|
|
|
|
|
|
|
|
tda9887_cfg.tuner = TUNER_TDA9887;
|
|
|
|
tda9887_cfg.priv = &config;
|
|
|
|
|
2008-04-22 17:41:44 +00:00
|
|
|
if (t_params->port1_active &&
|
|
|
|
!t_params->port1_fm_high_sensitivity)
|
2006-06-25 18:34:39 +00:00
|
|
|
config |= TDA9887_PORT1_ACTIVE;
|
2008-04-22 17:41:44 +00:00
|
|
|
if (t_params->port2_active &&
|
|
|
|
!t_params->port2_fm_high_sensitivity)
|
2006-06-25 18:34:39 +00:00
|
|
|
config |= TDA9887_PORT2_ACTIVE;
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->intercarrier_mode)
|
2006-06-25 18:34:39 +00:00
|
|
|
config |= TDA9887_INTERCARRIER;
|
2007-08-28 00:59:08 +00:00
|
|
|
/* if (t_params->port1_set_for_fm_mono)
|
2006-06-25 18:34:39 +00:00
|
|
|
config &= ~TDA9887_PORT1_ACTIVE;*/
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->fm_gain_normal)
|
2006-12-04 11:31:38 +00:00
|
|
|
config |= TDA9887_GAIN_NORMAL;
|
2007-08-28 00:59:08 +00:00
|
|
|
if (t_params->radio_if == 2)
|
2007-08-03 21:32:38 +00:00
|
|
|
config |= TDA9887_RIF_41_3;
|
2007-10-18 22:56:47 +00:00
|
|
|
i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
|
2008-04-22 17:41:44 +00:00
|
|
|
&tda9887_cfg);
|
2006-06-25 18:34:39 +00:00
|
|
|
}
|
2008-04-22 17:41:44 +00:00
|
|
|
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);
|
2007-08-28 00:59:08 +00:00
|
|
|
|
2009-04-23 04:40:46 +00:00
|
|
|
/* 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;
|
|
|
|
}
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
return 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
static int simple_set_params(struct dvb_frontend *fe,
|
|
|
|
struct analog_parameters *params)
|
2007-08-11 18:42:12 +00:00
|
|
|
{
|
2007-08-28 00:59:08 +00:00
|
|
|
struct tuner_simple_priv *priv = fe->tuner_priv;
|
|
|
|
int ret = -EINVAL;
|
|
|
|
|
2008-04-22 17:45:52 +00:00
|
|
|
if (priv->i2c_props.adap == NULL)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
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;
|
|
|
|
}
|
2008-04-22 17:45:52 +00:00
|
|
|
priv->bandwidth = 0;
|
2007-08-28 00:59:08 +00:00
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2008-04-22 17:45:53 +00:00
|
|
|
static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf,
|
2011-12-21 12:38:52 +00:00
|
|
|
const u32 delsys,
|
|
|
|
const u32 frequency,
|
|
|
|
const u32 bandwidth)
|
2008-04-22 17:45:53 +00:00
|
|
|
{
|
|
|
|
struct tuner_simple_priv *priv = fe->tuner_priv;
|
|
|
|
|
|
|
|
switch (priv->type) {
|
|
|
|
case TUNER_PHILIPS_FMD1216ME_MK3:
|
2008-10-15 17:14:30 +00:00
|
|
|
case TUNER_PHILIPS_FMD1216MEX_MK3:
|
2011-12-21 12:38:52 +00:00
|
|
|
if (bandwidth == 8000000 &&
|
|
|
|
frequency >= 158870000)
|
2008-04-22 17:45:53 +00:00
|
|
|
buf[3] |= 0x08;
|
|
|
|
break;
|
2008-04-22 17:45:56 +00:00
|
|
|
case TUNER_PHILIPS_TD1316:
|
|
|
|
/* determine band */
|
2011-12-21 12:38:52 +00:00
|
|
|
buf[3] |= (frequency < 161000000) ? 1 :
|
|
|
|
(frequency < 444000000) ? 2 : 4;
|
2008-04-22 17:45:56 +00:00
|
|
|
|
|
|
|
/* setup PLL filter */
|
2011-12-21 12:38:52 +00:00
|
|
|
if (bandwidth == 8000000)
|
2008-04-22 17:45:56 +00:00
|
|
|
buf[3] |= 1 << 3;
|
|
|
|
break;
|
2008-04-22 17:45:55 +00:00
|
|
|
case TUNER_PHILIPS_TUV1236D:
|
2008-04-22 17:46:05 +00:00
|
|
|
case TUNER_PHILIPS_FCV1236D:
|
2008-04-22 17:45:55 +00:00
|
|
|
{
|
|
|
|
unsigned int new_rf;
|
|
|
|
|
2008-04-22 17:46:12 +00:00
|
|
|
if (dtv_input[priv->nr])
|
|
|
|
new_rf = dtv_input[priv->nr];
|
|
|
|
else
|
2011-12-21 12:38:52 +00:00
|
|
|
switch (delsys) {
|
|
|
|
case SYS_DVBC_ANNEX_B:
|
2008-04-22 17:46:12 +00:00
|
|
|
new_rf = 1;
|
|
|
|
break;
|
2011-12-21 12:38:52 +00:00
|
|
|
case SYS_ATSC:
|
2008-04-22 17:46:12 +00:00
|
|
|
default:
|
|
|
|
new_rf = 0;
|
|
|
|
break;
|
|
|
|
}
|
2008-04-22 17:45:55 +00:00
|
|
|
simple_set_rf_input(fe, &buf[2], &buf[3], new_rf);
|
|
|
|
break;
|
|
|
|
}
|
2008-04-22 17:45:53 +00:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-04-22 17:45:56 +00:00
|
|
|
static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf,
|
2011-12-21 12:38:52 +00:00
|
|
|
const u32 delsys,
|
|
|
|
const u32 freq,
|
|
|
|
const u32 bw)
|
2008-04-22 17:45:52 +00:00
|
|
|
{
|
2008-04-22 17:45:56 +00:00
|
|
|
/* This function returns the tuned frequency on success, 0 on error */
|
2008-04-22 17:45:52 +00:00
|
|
|
struct tuner_simple_priv *priv = fe->tuner_priv;
|
|
|
|
struct tunertype *tun = priv->tun;
|
|
|
|
static struct tuner_params *t_params;
|
|
|
|
u8 config, cb;
|
|
|
|
u32 div;
|
2008-09-03 20:11:54 +00:00
|
|
|
int ret;
|
2011-12-21 12:38:52 +00:00
|
|
|
u32 frequency = freq / 62500;
|
2008-04-22 17:45:52 +00:00
|
|
|
|
V4L/DVB (10170): tuner-simple: prevent possible OOPS caused by divide by zero error
A user reported the following OOPS with his pcHDTV HD5500 card, which
uses a cx88 PCI bridge with a LG-TDVS-H06xF frontend module, made up
of a TUA6034 tuner, TDA988x IF demod, and LG DT3303 ATSC/QAM demod.
Somehow, tuner-core gets loaded before the digital driver configures
the tuner, and tuner-core somehow incorrectly sets the tuner type to
LG NTSC (TAPE series) instead of LG TDVS-H06xF. This tuner type does
not have the tuning stepsize defined, so an OOPS occurs during the
digital tune function.
We still dont know how the type gets set incorrectly in the first place.
The user has a tainted kernel with a binary nividia module, which COULD
have something to do with this, but it's hard to say for sure.
Nevertheless, to avoid this division by zero, we should check that
stepsize is defined. If stepsize is not defined, print an error and
bail out on the tune request.
cx8800 0000:05:01.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
cx88[0]: subsystem: 7063:5500, board: pcHDTV HD5500 HDTV [card=47,autodetected], frontend(s): 1
cx88[0]: TV tuner type 47, Radio tuner type -1
tuner' 2-0043: chip found @ 0x86 (cx88[0])
tda9887 2-0043: creating new instance
tda9887 2-0043: tda988[5/6/7] found
tuner' 2-0061: chip found @ 0xc2 (cx88[0])
tuner-simple 2-0061: creating new instance
tuner-simple 2-0061: type set to 47 (LG NTSC (TAPE series))
cx88[0]/0: found at 0000:05:01.0, rev: 5, irq: 19, latency: 32, mmio: 0xea000000
cx88[0]/0: registered device video1 [v4l2]
cx88[0]/0: registered device vbi1
cx88_audio 0000:05:01.1: PCI INT A -> GSI 19 (level, low) -> IRQ 19
cx88[0]/1: CX88x/0: ALSA support for cx2388x boards
cx88[0]/2: cx2388x 8802 Driver Manager
cx88-mpeg driver manager 0000:05:01.2: PCI INT A -> GSI 19 (level, low) -> IRQ 19
cx88[0]/2: found at 0000:05:01.2, rev: 5, irq: 19, latency: 32, mmio: 0xec000000
cx8802_probe() allocating 1 frontend(s)
cx88/2: cx2388x dvb driver version 0.0.6 loaded
cx88/2: registering cx8802 driver, type: dvb access: shared
cx88[0]/2: subsystem: 7063:5500, board: pcHDTV HD5500 HDTV [card=47]
cx88[0]/2: cx2388x based DVB/ATSC card
tuner-simple 2-0061: attaching existing instance
tuner-simple 2-0061: type set to 64 (LG NTSC (TAPE series))
tda9887 2-0043: attaching existing instance
DVB: registering new adapter (cx88[0])
DVB: registering adapter 0 frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)...
[snip]
stepsize=0
divide error: 0000 [1] SMP
CPU 1
Modules linked in: nls_utf8 fuse sco bridge stp bnep l2cap bluetooth sunrpc nf_conntrack_netbios_ns nf_conntrack_ftp ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 cpufreq_ondemand acpi_cpufreq freq_table xfs lgdt330x dm_multipath cx88_dvb cx88_vp3054_i2c uinput tda9887 tda8290 snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul tuner_simple tuner_types tuner msp3400 cx8800 cx88_alsa cx8802 snd_emu10k1 cx88xx snd_rawmidi snd_ac97_codec ir_common ac97_bus saa7115 snd_seq_dummy snd_seq_oss snd_seq_midi_event videobuf_dvb snd_seq dvb_core snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_device videobuf_dma_sg ppdev parport_pc snd_timer videobuf_core snd_page_alloc btcx_risc emu10k1_gp ivtv i2c_algo_bit cx2341x snd_util_mem snd_hwdep nvidia(P) gameport v4l2_common i2c_i801 snd soundcore parport videodev v4l1_compat v4l2_compat_ioctl32 tveeprom i2c_core pcspkr iTCO_wdt iTCO_vendor_support sky2 joydev floppy shpchp ata_generic pata_acpi pata_jmicron [last unloaded: microcode]
Pid: 3553, comm: kdvb-ad-0-fe-0 Tainted: P 2.6.27.9-159.fc10.x86_64 #1
RIP: 0010:[<ffffffffa09bc37a>] [<ffffffffa09bc37a>] simple_dvb_calc_regs+0xab/0x281 [tuner_simple]
RSP: 0018:ffff8800605dfd30 EFLAGS: 00010246
RAX: 000000000365c040 RBX: ffff8800605dfdb0 RCX: ffff88007acb8c10
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246
RBP: ffff8800605dfda0 R08: ffff8800605dfba0 R09: 0000000000000082
R10: 00000010e73c9df1 R11: 0000000100000000 R12: ffff88007ac29c00
R13: ffff88007ac29c00 R14: ffff88007acbb408 R15: ffffffffa09b6fb0
FS: 0000000000000000(0000) GS:ffff88007f804880(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00000000004e8f40 CR3: 000000007114e000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process kdvb-ad-0-fe-0 (pid: 3553, threadinfo ffff8800605de000, task ffff88006fca0000)
Stack: ffff8800605dfd40 00000000ffffffa1 ffff88007c055860 0000000000000001
ffff8800605dfda0 ffff8800605dfda0 ffff88007acb8c10 ffffffffa004e48c
8e01880000000390 ffff88007acb8c10 ffff88007ac29c00 0000000000000000
Call Trace:
[<ffffffffa004e48c>] ? i2c_transfer+0x80/0x8b [i2c_core]
[<ffffffffa09bc768>] simple_dvb_set_params+0x3e/0x9b [tuner_simple]
[<ffffffffa0a0335a>] lgdt330x_set_parameters+0x188/0x1b9 [lgdt330x]
[<ffffffffa08c9116>] dvb_frontend_swzigzag_autotune+0x18e/0x1b5 [dvb_core]
[<ffffffffa08c9f6a>] dvb_frontend_swzigzag+0x1bc/0x21e [dvb_core]
[<ffffffffa08ca4f4>] dvb_frontend_thread+0x528/0x62b [dvb_core]
[<ffffffff810551e1>] ? autoremove_wake_function+0x0/0x38
[<ffffffffa08c9fcc>] ? dvb_frontend_thread+0x0/0x62b [dvb_core]
[<ffffffff81054e9b>] kthread+0x49/0x76
[<ffffffff810116e9>] child_rip+0xa/0x11
[<ffffffff81010a07>] ? restore_args+0x0/0x30
[<ffffffff81054e52>] ? kthread+0x0/0x76
[<ffffffff810116df>] ? child_rip+0x0/0x11
Code: 48 8b 05 2a 4e 00 00 41 8b 77 1c 31 d2 0f b7 40 0a 89 f1 03 45 d0 d1 e9 03 0d 23 4e 00 00 69 c0 24 f4 00 00 8d 04 01 48 8b 4d c0 <f7> f6 8a 55 d6 88 53 04 41 89 c4 c1 e8 08 88 43 01 8a 45 d7 44
RIP [<ffffffffa09bc37a>] simple_dvb_calc_regs+0xab/0x281 [tuner_simple]
RSP <ffff8800605dfd30>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-01-02 18:55:29 +00:00
|
|
|
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 */
|
|
|
|
}
|
|
|
|
|
2008-04-22 17:45:52 +00:00
|
|
|
t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL);
|
|
|
|
ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb);
|
|
|
|
if (ret < 0)
|
2008-04-22 17:45:56 +00:00
|
|
|
return 0; /* failure */
|
2008-04-22 17:45:52 +00:00
|
|
|
|
|
|
|
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;
|
|
|
|
|
2011-12-21 12:38:52 +00:00
|
|
|
simple_set_dvb(fe, buf, delsys, freq, bw);
|
2008-04-22 17:45:53 +00:00
|
|
|
|
2008-04-22 17:45:52 +00:00
|
|
|
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)
|
|
|
|
{
|
2011-12-21 12:38:52 +00:00
|
|
|
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
|
|
|
u32 delsys = c->delivery_system;
|
|
|
|
u32 bw = c->bandwidth_hz;
|
2008-04-22 17:45:52 +00:00
|
|
|
struct tuner_simple_priv *priv = fe->tuner_priv;
|
|
|
|
u32 frequency;
|
|
|
|
|
|
|
|
if (buf_len < 5)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2011-12-24 15:03:05 +00:00
|
|
|
frequency = simple_dvb_configure(fe, buf+1, delsys, c->frequency, bw);
|
2008-04-22 17:45:56 +00:00
|
|
|
if (frequency == 0)
|
|
|
|
return -EINVAL;
|
2008-04-22 17:45:52 +00:00
|
|
|
|
|
|
|
buf[0] = priv->i2c_props.addr;
|
|
|
|
|
|
|
|
priv->frequency = frequency;
|
2011-12-24 15:03:05 +00:00
|
|
|
priv->bandwidth = c->bandwidth_hz;
|
2008-04-22 17:45:52 +00:00
|
|
|
|
|
|
|
return 5;
|
|
|
|
}
|
|
|
|
|
2011-12-24 15:24:33 +00:00
|
|
|
static int simple_dvb_set_params(struct dvb_frontend *fe)
|
2008-04-22 17:45:52 +00:00
|
|
|
{
|
2011-12-21 12:38:52 +00:00
|
|
|
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
|
|
|
|
u32 delsys = c->delivery_system;
|
|
|
|
u32 bw = c->bandwidth_hz;
|
|
|
|
u32 freq = c->frequency;
|
2008-04-22 17:45:52 +00:00
|
|
|
struct tuner_simple_priv *priv = fe->tuner_priv;
|
2011-12-21 12:38:52 +00:00
|
|
|
u32 frequency;
|
2008-04-22 17:45:52 +00:00
|
|
|
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;
|
|
|
|
|
2011-12-21 12:38:52 +00:00
|
|
|
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;
|
2008-04-22 17:45:52 +00:00
|
|
|
|
|
|
|
/* 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;
|
|
|
|
}
|
2007-08-28 00:59:08 +00:00
|
|
|
|
2008-04-22 17:45:53 +00:00
|
|
|
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;
|
|
|
|
}
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
static int simple_release(struct dvb_frontend *fe)
|
|
|
|
{
|
2008-04-22 17:45:52 +00:00
|
|
|
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);
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
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;
|
2007-08-11 18:42:12 +00:00
|
|
|
}
|
|
|
|
|
2008-04-22 17:45:52 +00:00
|
|
|
static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
|
|
|
|
{
|
|
|
|
struct tuner_simple_priv *priv = fe->tuner_priv;
|
2011-12-26 23:02:28 +00:00
|
|
|
*bandwidth = priv->bandwidth;
|
2008-04-22 17:45:52 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
static struct dvb_tuner_ops simple_tuner_ops = {
|
2008-04-22 17:45:53 +00:00
|
|
|
.init = simple_init,
|
|
|
|
.sleep = simple_sleep,
|
2007-08-28 00:59:08 +00:00
|
|
|
.set_analog_params = simple_set_params,
|
2008-04-22 17:45:52 +00:00
|
|
|
.set_params = simple_dvb_set_params,
|
|
|
|
.calc_regs = simple_dvb_calc_regs,
|
2007-08-31 19:39:39 +00:00
|
|
|
.release = simple_release,
|
|
|
|
.get_frequency = simple_get_frequency,
|
2008-04-22 17:45:52 +00:00
|
|
|
.get_bandwidth = simple_get_bandwidth,
|
2007-08-31 19:39:39 +00:00
|
|
|
.get_status = simple_get_status,
|
|
|
|
.get_rf_strength = simple_get_rf_strength,
|
2007-06-06 19:17:57 +00:00
|
|
|
};
|
|
|
|
|
2007-08-28 00:59:08 +00:00
|
|
|
struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
|
|
|
|
struct i2c_adapter *i2c_adap,
|
|
|
|
u8 i2c_addr,
|
2008-04-22 17:41:51 +00:00
|
|
|
unsigned int type)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2007-08-11 18:42:12 +00:00
|
|
|
struct tuner_simple_priv *priv = NULL;
|
2008-04-22 17:45:52 +00:00
|
|
|
int instance;
|
2007-08-11 18:42:12 +00:00
|
|
|
|
2008-04-22 17:41:50 +00:00
|
|
|
if (type >= tuner_count) {
|
|
|
|
printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n",
|
2008-04-09 02:20:00 +00:00
|
|
|
__func__, type, tuner_count-1);
|
2008-04-22 17:41:50 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2008-04-22 17:46:05 +00:00
|
|
|
/* 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))
|
2008-05-26 04:31:17 +00:00
|
|
|
printk(KERN_WARNING "tuner-simple %d-%04x: "
|
|
|
|
"unable to probe %s, proceeding anyway.",
|
|
|
|
i2c_adapter_id(i2c_adap), i2c_addr,
|
|
|
|
tuners[type].name);
|
2008-04-22 17:46:05 +00:00
|
|
|
|
|
|
|
if (fe->ops.i2c_gate_ctrl)
|
|
|
|
fe->ops.i2c_gate_ctrl(fe, 0);
|
|
|
|
}
|
|
|
|
|
2008-04-22 17:45:52 +00:00
|
|
|
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);
|
2007-08-28 00:59:08 +00:00
|
|
|
return NULL;
|
2008-04-22 17:45:52 +00:00
|
|
|
case 1:
|
|
|
|
fe->tuner_priv = priv;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-04-22 17:45:52 +00:00
|
|
|
priv->type = type;
|
|
|
|
priv->tun = &tuners[type];
|
2008-04-22 17:46:12 +00:00
|
|
|
priv->nr = simple_devcount++;
|
2008-04-22 17:45:52 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
fe->tuner_priv = priv;
|
|
|
|
break;
|
|
|
|
}
|
2008-04-22 17:41:53 +00:00
|
|
|
|
2008-04-22 17:45:52 +00:00
|
|
|
mutex_unlock(&tuner_simple_list_mutex);
|
2007-08-21 04:24:42 +00:00
|
|
|
|
2008-04-22 17:41:44 +00:00
|
|
|
memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
|
|
|
|
sizeof(struct dvb_tuner_ops));
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-12-31 12:34:18 +00:00
|
|
|
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);
|
2005-06-29 03:45:21 +00:00
|
|
|
|
2008-04-22 17:46:12 +00:00
|
|
|
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]);
|
|
|
|
}
|
|
|
|
|
2008-04-22 17:41:51 +00:00
|
|
|
strlcpy(fe->ops.tuner_ops.info.name, priv->tun->name,
|
2008-04-22 17:41:44 +00:00
|
|
|
sizeof(fe->ops.tuner_ops.info.name));
|
2007-08-28 00:59:08 +00:00
|
|
|
|
|
|
|
return fe;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
2007-08-28 00:59:08 +00:00
|
|
|
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");
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
/*
|
|
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
|
|
* ---------------------------------------------------------------------------
|
|
|
|
* Local variables:
|
|
|
|
* c-basic-offset: 8
|
|
|
|
* End:
|
|
|
|
*/
|