| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Michael Ira Krufky | 3012 | 59.30% | 34 | 32.69% |
| Gerd Knorr | 719 | 14.16% | 9 | 8.65% |
| Mauro Carvalho Chehab | 440 | 8.66% | 25 | 24.04% |
| Hans Verkuil | 315 | 6.20% | 7 | 6.73% |
| Trent Piepho | 98 | 1.93% | 2 | 1.92% |
| Andy Walls | 96 | 1.89% | 3 | 2.88% |
| Dmitry Belimov | 92 | 1.81% | 3 | 2.88% |
| Kirk Lapray | 81 | 1.59% | 2 | 1.92% |
| Linus Torvalds | 71 | 1.40% | 2 | 1.92% |
| Linus Torvalds (pre-git) | 66 | 1.30% | 8 | 7.69% |
| Andrew Morton | 32 | 0.63% | 1 | 0.96% |
| Maciej S. Szmigiero | 22 | 0.43% | 1 | 0.96% |
| Matthieu CASTET | 17 | 0.33% | 1 | 0.96% |
| Tom Rix | 8 | 0.16% | 1 | 0.96% |
| Darron Broad | 6 | 0.12% | 1 | 0.96% |
| Harvey Harrison | 1 | 0.02% | 1 | 0.96% |
| Julia Lawall | 1 | 0.02% | 1 | 0.96% |
| Max Kellermann | 1 | 0.02% | 1 | 0.96% |
| Thomas Gleixner | 1 | 0.02% | 1 | 0.96% |
| Total | 5079 | 104 |
// SPDX-License-Identifier: GPL-2.0-only /* * i2c tv tuner chip device driver * controls all those simple 4-control-bytes style tuners. * * This "tuner-simple" module was split apart from the original "tuner" module. */ #include <linux/delay.h> #include <linux/i2c.h> #include <linux/videodev2.h> #include <media/tuner.h> #include <media/v4l2-common.h> #include <media/tuner-types.h> #include "tuner-i2c.h" #include "tuner-simple.h" static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "enable verbose debug messages"); #define TUNER_SIMPLE_MAX 64 static unsigned int simple_devcount; static int offset; module_param(offset, int, 0664); MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner"); static unsigned int atv_input[TUNER_SIMPLE_MAX] = \ { [0 ... (TUNER_SIMPLE_MAX-1)] = 0 }; static unsigned int dtv_input[TUNER_SIMPLE_MAX] = \ { [0 ... (TUNER_SIMPLE_MAX-1)] = 0 }; module_param_array(atv_input, int, NULL, 0644); module_param_array(dtv_input, int, NULL, 0644); MODULE_PARM_DESC(atv_input, "specify atv rf input, 0 for autoselect"); MODULE_PARM_DESC(dtv_input, "specify dtv rf input, 0 for autoselect"); /* ---------------------------------------------------------------------- */ /* tv standard selection for Temic 4046 FM5 this value takes the low bits of control byte 2 from datasheet Rev.01, Feb.00 standard BG I L L2 D picture IF 38.9 38.9 38.9 33.95 38.9 sound 1 33.4 32.9 32.4 40.45 32.4 sound 2 33.16 NICAM 33.05 32.348 33.05 33.05 */ #define TEMIC_SET_PAL_I 0x05 #define TEMIC_SET_PAL_DK 0x09 #define TEMIC_SET_PAL_L 0x0a /* SECAM ? */ #define TEMIC_SET_PAL_L2 0x0b /* change IF ! */ #define TEMIC_SET_PAL_BG 0x0c /* tv tuner system standard selection for Philips FQ1216ME this value takes the low bits of control byte 2 from datasheet "1999 Nov 16" (supersedes "1999 Mar 23") standard BG DK I L L` picture carrier 38.90 38.90 38.90 38.90 33.95 colour 34.47 34.47 34.47 34.47 38.38 sound 1 33.40 32.40 32.90 32.40 40.45 sound 2 33.16 - - - - NICAM 33.05 33.05 32.35 33.05 39.80 */ #define PHILIPS_SET_PAL_I 0x01 /* Bit 2 always zero !*/ #define PHILIPS_SET_PAL_BGDK 0x09 #define PHILIPS_SET_PAL_L2 0x0a #define PHILIPS_SET_PAL_L 0x0b /* system switching for Philips FI1216MF MK2 from datasheet "1996 Jul 09", standard BG L L' picture carrier 38.90 38.90 33.95 colour 34.47 34.37 38.38 sound 1 33.40 32.40 40.45 sound 2 33.16 - - NICAM 33.05 33.05 39.80 */ #define PHILIPS_MF_SET_STD_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */ #define PHILIPS_MF_SET_STD_L 0x03 /* Used on Secam France */ #define PHILIPS_MF_SET_STD_LC 0x02 /* Used on SECAM L' */ /* Control byte */ #define TUNER_RATIO_MASK 0x06 /* Bit cb1:cb2 */ #define TUNER_RATIO_SELECT_50 0x00 #define TUNER_RATIO_SELECT_32 0x02 #define TUNER_RATIO_SELECT_166 0x04 #define TUNER_RATIO_SELECT_62 0x06 #define TUNER_CHARGE_PUMP 0x40 /* Bit cb6 */ /* Status byte */ #define TUNER_POR 0x80 #define TUNER_FL 0x40 #define TUNER_MODE 0x38 #define TUNER_AFC 0x07 #define TUNER_SIGNAL 0x07 #define TUNER_STEREO 0x10 #define TUNER_PLL_LOCKED 0x40 #define TUNER_STEREO_MK3 0x04 static DEFINE_MUTEX(tuner_simple_list_mutex); static LIST_HEAD(hybrid_tuner_instance_list); struct tuner_simple_priv { unsigned int nr; u16 last_div; struct tuner_i2c_props i2c_props; struct list_head hybrid_tuner_instance_list; unsigned int type; struct tunertype *tun; u32 frequency; u32 bandwidth; bool radio_mode; }; /* ---------------------------------------------------------------------- */ static int tuner_read_status(struct dvb_frontend *fe) { struct tuner_simple_priv *priv = fe->tuner_priv; unsigned char byte; if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1)) return 0; return byte; } static inline int tuner_signal(const int status) { return (status & TUNER_SIGNAL) << 13; } static inline int tuner_stereo(const int type, const int status) { switch (type) { case TUNER_PHILIPS_FM1216ME_MK3: case TUNER_PHILIPS_FM1236_MK3: case TUNER_PHILIPS_FM1256_IH3: case TUNER_LG_NTSC_TAPE: case TUNER_TCL_MF02GIP_5N: return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); case TUNER_PHILIPS_FM1216MK5: return status | TUNER_STEREO; default: return status & TUNER_STEREO; } } static inline int tuner_islocked(const int status) { return (status & TUNER_FL); } static inline int tuner_afcstatus(const int status) { return (status & TUNER_AFC) - 2; } static int simple_get_status(struct dvb_frontend *fe, u32 *status) { struct tuner_simple_priv *priv = fe->tuner_priv; int tuner_status; if (priv->i2c_props.adap == NULL) return -EINVAL; tuner_status = tuner_read_status(fe); *status = 0; if (tuner_islocked(tuner_status)) *status = TUNER_STATUS_LOCKED; if (tuner_stereo(priv->type, tuner_status)) *status |= TUNER_STATUS_STEREO; tuner_dbg("AFC Status: %d\n", tuner_afcstatus(tuner_status)); return 0; } static int simple_get_rf_strength(struct dvb_frontend *fe, u16 *strength) { struct tuner_simple_priv *priv = fe->tuner_priv; int signal; if (priv->i2c_props.adap == NULL || !priv->radio_mode) return -EINVAL; signal = tuner_signal(tuner_read_status(fe)); *strength = signal; tuner_dbg("Signal strength: %d\n", signal); return 0; } /* ---------------------------------------------------------------------- */ static inline char *tuner_param_name(enum param_type type) { char *name; switch (type) { case TUNER_PARAM_TYPE_RADIO: name = "radio"; break; case TUNER_PARAM_TYPE_PAL: name = "pal"; break; case TUNER_PARAM_TYPE_SECAM: name = "secam"; break; case TUNER_PARAM_TYPE_NTSC: name = "ntsc"; break; case TUNER_PARAM_TYPE_DIGITAL: name = "digital"; break; default: name = "unknown"; break; } return name; } static struct tuner_params *simple_tuner_params(struct dvb_frontend *fe, enum param_type desired_type) { struct tuner_simple_priv *priv = fe->tuner_priv; struct tunertype *tun = priv->tun; int i; for (i = 0; i < tun->count; i++) if (desired_type == tun->params[i].type) break; /* use default tuner params if desired_type not available */ if (i == tun->count) { tuner_dbg("desired params (%s) undefined for tuner %d\n", tuner_param_name(desired_type), priv->type); i = 0; } tuner_dbg("using tuner params #%d (%s)\n", i, tuner_param_name(tun->params[i].type)); return &tun->params[i]; } static int simple_config_lookup(struct dvb_frontend *fe, struct tuner_params *t_params, unsigned *frequency, u8 *config, u8 *cb) { struct tuner_simple_priv *priv = fe->tuner_priv; int i; for (i = 0; i < t_params->count; i++) { if (*frequency > t_params->ranges[i].limit) continue; break; } if (i == t_params->count) { tuner_dbg("frequency out of range (%d > %d)\n", *frequency, t_params->ranges[i - 1].limit); *frequency = t_params->ranges[--i].limit; } *config = t_params->ranges[i].config; *cb = t_params->ranges[i].cb; tuner_dbg("freq = %d.%02d (%d), range = %d, config = 0x%02x, cb = 0x%02x\n", *frequency / 16, *frequency % 16 * 100 / 16, *frequency, i, *config, *cb); return i; } /* ---------------------------------------------------------------------- */ static void simple_set_rf_input(struct dvb_frontend *fe, u8 *config, u8 *cb, unsigned int rf) { struct tuner_simple_priv *priv = fe->tuner_priv; switch (priv->type) { case TUNER_PHILIPS_TUV1236D: switch (rf) { case 1: *cb |= 0x08; break; default: *cb &= ~0x08; break; } break; case TUNER_PHILIPS_FCV1236D: switch (rf) { case 1: *cb |= 0x01; break; default: *cb &= ~0x01; break; } break; default: break; } } static int simple_std_setup(struct dvb_frontend *fe, struct analog_parameters *params, u8 *config, u8 *cb) { struct tuner_simple_priv *priv = fe->tuner_priv; int rc; /* tv norm specific stuff for multi-norm tuners */ switch (priv->type) { case TUNER_PHILIPS_SECAM: /* FI1216MF */ /* 0x01 -> ??? no change ??? */ /* 0x02 -> PAL BDGHI / SECAM L */ /* 0x04 -> ??? PAL others / SECAM others ??? */ *cb &= ~0x03; if (params->std & V4L2_STD_SECAM_L) /* also valid for V4L2_STD_SECAM */ *cb |= PHILIPS_MF_SET_STD_L; else if (params->std & V4L2_STD_SECAM_LC) *cb |= PHILIPS_MF_SET_STD_LC; else /* V4L2_STD_B|V4L2_STD_GH */ *cb |= PHILIPS_MF_SET_STD_BG; break; case TUNER_TEMIC_4046FM5: *cb &= ~0x0f; if (params->std & V4L2_STD_PAL_BG) { *cb |= TEMIC_SET_PAL_BG; } else if (params->std & V4L2_STD_PAL_I) { *cb |= TEMIC_SET_PAL_I; } else if (params->std & V4L2_STD_PAL_DK) { *cb |= TEMIC_SET_PAL_DK; } else if (params->std & V4L2_STD_SECAM_L) { *cb |= TEMIC_SET_PAL_L; } break; case TUNER_PHILIPS_FQ1216ME: *cb &= ~0x0f; if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { *cb |= PHILIPS_SET_PAL_BGDK; } else if (params->std & V4L2_STD_PAL_I) { *cb |= PHILIPS_SET_PAL_I; } else if (params->std & V4L2_STD_SECAM_L) { *cb |= PHILIPS_SET_PAL_L; } break; case TUNER_PHILIPS_FCV1236D: /* 0x00 -> ATSC antenna input 1 */ /* 0x01 -> ATSC antenna input 2 */ /* 0x02 -> NTSC antenna input 1 */ /* 0x03 -> NTSC antenna input 2 */ *cb &= ~0x03; if (!(params->std & V4L2_STD_ATSC)) *cb |= 2; break; case TUNER_MICROTUNE_4042FI5: /* Set the charge pump for fast tuning */ *config |= TUNER_CHARGE_PUMP; break; case TUNER_PHILIPS_TUV1236D: { struct tuner_i2c_props i2c = priv->i2c_props; /* 0x40 -> ATSC antenna input 1 */ /* 0x48 -> ATSC antenna input 2 */ /* 0x00 -> NTSC antenna input 1 */ /* 0x08 -> NTSC antenna input 2 */ u8 buffer[4] = { 0x14, 0x00, 0x17, 0x00}; *cb &= ~0x40; if (params->std & V4L2_STD_ATSC) { *cb |= 0x40; buffer[1] = 0x04; } /* set to the correct mode (analog or digital) */ i2c.addr = 0x0a; rc = tuner_i2c_xfer_send(&i2c, &buffer[0], 2); if (2 != rc) tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc); rc = tuner_i2c_xfer_send(&i2c, &buffer[2], 2); if (2 != rc) tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc); break; } } if (atv_input[priv->nr]) simple_set_rf_input(fe, config, cb, atv_input[priv->nr]); return 0; } static int simple_set_aux_byte(struct dvb_frontend *fe, u8 config, u8 aux) { struct tuner_simple_priv *priv = fe->tuner_priv; int rc; u8 buffer[2]; buffer[0] = (config & ~0x38) | 0x18; buffer[1] = aux; tuner_dbg("setting aux byte: 0x%02x 0x%02x\n", buffer[0], buffer[1]); rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); if (2 != rc) tuner_warn("i2c i/o error: rc == %d (should be 2)\n", rc); return rc == 2 ? 0 : rc; } static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer, u16 div, u8 config, u8 cb) { struct tuner_simple_priv *priv = fe->tuner_priv; int rc; switch (priv->type) { case TUNER_LG_TDVS_H06XF: simple_set_aux_byte(fe, config, 0x20); break; case TUNER_PHILIPS_FQ1216LME_MK3: simple_set_aux_byte(fe, config, 0x60); /* External AGC */ break; case TUNER_MICROTUNE_4042FI5: { /* FIXME - this may also work for other tuners */ unsigned long timeout = jiffies + msecs_to_jiffies(1); u8 status_byte = 0; /* Wait until the PLL locks */ for (;;) { if (time_after(jiffies, timeout)) return 0; rc = tuner_i2c_xfer_recv(&priv->i2c_props, &status_byte, 1); if (1 != rc) { tuner_warn("i2c i/o read error: rc == %d (should be 1)\n", rc); break; } if (status_byte & TUNER_PLL_LOCKED) break; udelay(10); } /* Set the charge pump for optimized phase noise figure */ config &= ~TUNER_CHARGE_PUMP; buffer[0] = (div>>8) & 0x7f; buffer[1] = div & 0xff; buffer[2] = config; buffer[3] = cb; tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", buffer[0], buffer[1], buffer[2], buffer[3]); rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); if (4 != rc) tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); break; } } return 0; } static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) { struct tuner_simple_priv *priv = fe->tuner_priv; switch (priv->type) { case TUNER_TENA_9533_DI: case TUNER_YMEC_TVF_5533MF: tuner_dbg("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n"); return -EINVAL; case TUNER_PHILIPS_FM1216ME_MK3: case TUNER_PHILIPS_FM1236_MK3: case TUNER_PHILIPS_FMD1216ME_MK3: case TUNER_PHILIPS_FMD1216MEX_MK3: case TUNER_LG_NTSC_TAPE: case TUNER_PHILIPS_FM1256_IH3: case TUNER_TCL_MF02GIP_5N: buffer[3] = 0x19; break; case TUNER_PHILIPS_FM1216MK5: buffer[2] = 0x88; buffer[3] = 0x09; break; case TUNER_TNF_5335MF: buffer[3] = 0x11; break; case TUNER_LG_PAL_FM: buffer[3] = 0xa5; break; case TUNER_THOMSON_DTT761X: buffer[3] = 0x39; break; case TUNER_PHILIPS_FQ1216LME_MK3: case TUNER_PHILIPS_FQ1236_MK5: tuner_err("This tuner doesn't have FM\n"); /* Set the low band for sanity, since it covers 88-108 MHz */ buffer[3] = 0x01; break; case TUNER_MICROTUNE_4049FM5: default: buffer[3] = 0xa4; break; } return 0; } /* ---------------------------------------------------------------------- */ static int simple_set_tv_freq(struct dvb_frontend *fe, struct analog_parameters *params) { struct tuner_simple_priv *priv = fe->tuner_priv; u8 config, cb; u16 div; u8 buffer[4]; int rc, IFPCoff, i; enum param_type desired_type; struct tuner_params *t_params; /* IFPCoff = Video Intermediate Frequency - Vif: 940 =16*58.75 NTSC/J (Japan) 732 =16*45.75 M/N STD 704 =16*44 ATSC (at DVB code) 632 =16*39.50 I U.K. 622.4=16*38.90 B/G D/K I, L STD 592 =16*37.00 D China 590 =16.36.875 B Australia 543.2=16*33.95 L' STD 171.2=16*10.70 FM Radio (at set_radio_freq) */ if (params->std == V4L2_STD_NTSC_M_JP) { IFPCoff = 940; desired_type = TUNER_PARAM_TYPE_NTSC; } else if ((params->std & V4L2_STD_MN) && !(params->std & ~V4L2_STD_MN)) { IFPCoff = 732; desired_type = TUNER_PARAM_TYPE_NTSC; } else if (params->std == V4L2_STD_SECAM_LC) { IFPCoff = 543; desired_type = TUNER_PARAM_TYPE_SECAM; } else { IFPCoff = 623; desired_type = TUNER_PARAM_TYPE_PAL; } t_params = simple_tuner_params(fe, desired_type); i = simple_config_lookup(fe, t_params, ¶ms->frequency, &config, &cb); div = params->frequency + IFPCoff + offset; tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n", params->frequency / 16, params->frequency % 16 * 100 / 16, IFPCoff / 16, IFPCoff % 16 * 100 / 16, offset / 16, offset % 16 * 100 / 16, div); /* tv norm specific stuff for multi-norm tuners */ simple_std_setup(fe, params, &config, &cb); if (t_params->cb_first_if_lower_freq && div < priv->last_div) { buffer[0] = config; buffer[1] = cb; buffer[2] = (div>>8) & 0x7f; buffer[3] = div & 0xff; } else { buffer[0] = (div>>8) & 0x7f; buffer[1] = div & 0xff; buffer[2] = config; buffer[3] = cb; } priv->last_div = div; if (t_params->has_tda9887) { struct v4l2_priv_tun_config tda9887_cfg; int tda_config = 0; int is_secam_l = (params->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) && !(params->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)); tda9887_cfg.tuner = TUNER_TDA9887; tda9887_cfg.priv = &tda_config; if (params->std == V4L2_STD_SECAM_LC) { if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc) tda_config |= TDA9887_PORT1_ACTIVE; if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc) tda_config |= TDA9887_PORT2_ACTIVE; } else { if (t_params->port1_active) tda_config |= TDA9887_PORT1_ACTIVE; if (t_params->port2_active) tda_config |= TDA9887_PORT2_ACTIVE; } if (t_params->intercarrier_mode) tda_config |= TDA9887_INTERCARRIER; if (is_secam_l) { if (i == 0 && t_params->default_top_secam_low) tda_config |= TDA9887_TOP(t_params->default_top_secam_low); else if (i == 1 && t_params->default_top_secam_mid) tda_config |= TDA9887_TOP(t_params->default_top_secam_mid); else if (t_params->default_top_secam_high) tda_config |= TDA9887_TOP(t_params->default_top_secam_high); } else { if (i == 0 && t_params->default_top_low) tda_config |= TDA9887_TOP(t_params->default_top_low); else if (i == 1 && t_params->default_top_mid) tda_config |= TDA9887_TOP(t_params->default_top_mid); else if (t_params->default_top_high) tda_config |= TDA9887_TOP(t_params->default_top_high); } if (t_params->default_pll_gating_18) tda_config |= TDA9887_GATING_18; i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, &tda9887_cfg); } tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", buffer[0], buffer[1], buffer[2], buffer[3]); rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); if (4 != rc) tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); simple_post_tune(fe, &buffer[0], div, config, cb); return 0; } static int simple_set_radio_freq(struct dvb_frontend *fe, struct analog_parameters *params) { struct tunertype *tun; struct tuner_simple_priv *priv = fe->tuner_priv; u8 buffer[4]; u16 div; int rc, j; struct tuner_params *t_params; unsigned int freq = params->frequency; bool mono = params->audmode == V4L2_TUNER_MODE_MONO; tun = priv->tun; for (j = tun->count-1; j > 0; j--) if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO) break; /* default t_params (j=0) will be used if desired type wasn't found */ t_params = &tun->params[j]; /* Select Radio 1st IF used */ switch (t_params->radio_if) { case 0: /* 10.7 MHz */ freq += (unsigned int)(10.7*16000); break; case 1: /* 33.3 MHz */ freq += (unsigned int)(33.3*16000); break; case 2: /* 41.3 MHz */ freq += (unsigned int)(41.3*16000); break; default: tuner_warn("Unsupported radio_if value %d\n", t_params->radio_if); return 0; } buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */ /* Bandswitch byte */ if (simple_radio_bandswitch(fe, &buffer[0])) return 0; /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) = freq * (1/800) */ div = (freq + 400) / 800; if (t_params->cb_first_if_lower_freq && div < priv->last_div) { buffer[0] = buffer[2]; buffer[1] = buffer[3]; buffer[2] = (div>>8) & 0x7f; buffer[3] = div & 0xff; } else { buffer[0] = (div>>8) & 0x7f; buffer[1] = div & 0xff; } tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n", buffer[0], buffer[1], buffer[2], buffer[3]); priv->last_div = div; if (t_params->has_tda9887) { int config = 0; struct v4l2_priv_tun_config tda9887_cfg; tda9887_cfg.tuner = TUNER_TDA9887; tda9887_cfg.priv = &config; if (t_params->port1_active && !t_params->port1_fm_high_sensitivity) config |= TDA9887_PORT1_ACTIVE; if (t_params->port2_active && !t_params->port2_fm_high_sensitivity) config |= TDA9887_PORT2_ACTIVE; if (t_params->intercarrier_mode) config |= TDA9887_INTERCARRIER; if (t_params->port1_set_for_fm_mono && mono) config &= ~TDA9887_PORT1_ACTIVE; if (t_params->fm_gain_normal) config |= TDA9887_GAIN_NORMAL; if (t_params->radio_if == 2) config |= TDA9887_RIF_41_3; i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG, &tda9887_cfg); } rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); if (4 != rc) tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); /* Write AUX byte */ switch (priv->type) { case TUNER_PHILIPS_FM1216ME_MK3: buffer[2] = 0x98; buffer[3] = 0x20; /* set TOP AGC */ rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); if (4 != rc) tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); break; } return 0; } static int simple_set_params(struct dvb_frontend *fe, struct analog_parameters *params) { struct tuner_simple_priv *priv = fe->tuner_priv; int ret = -EINVAL; if (priv->i2c_props.adap == NULL) return -EINVAL; switch (params->mode) { case V4L2_TUNER_RADIO: priv->radio_mode = true; ret = simple_set_radio_freq(fe, params); priv->frequency = params->frequency * 125 / 2; break; case V4L2_TUNER_ANALOG_TV: case V4L2_TUNER_DIGITAL_TV: priv->radio_mode = false; ret = simple_set_tv_freq(fe, params); priv->frequency = params->frequency * 62500; break; } priv->bandwidth = 0; return ret; } static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, const u32 delsys, const u32 frequency, const u32 bandwidth) { struct tuner_simple_priv *priv = fe->tuner_priv; switch (priv->type) { case TUNER_PHILIPS_FMD1216ME_MK3: case TUNER_PHILIPS_FMD1216MEX_MK3: if (bandwidth == 8000000 && frequency >= 158870000) buf[3] |= 0x08; break; case TUNER_PHILIPS_TD1316: /* determine band */ buf[3] |= (frequency < 161000000) ? 1 : (frequency < 444000000) ? 2 : 4; /* setup PLL filter */ if (bandwidth == 8000000) buf[3] |= 1 << 3; break; case TUNER_PHILIPS_TUV1236D: case TUNER_PHILIPS_FCV1236D: { unsigned int new_rf; if (dtv_input[priv->nr]) new_rf = dtv_input[priv->nr]; else switch (delsys) { case SYS_DVBC_ANNEX_B: new_rf = 1; break; case SYS_ATSC: default: new_rf = 0; break; } simple_set_rf_input(fe, &buf[2], &buf[3], new_rf); break; } default: break; } } static u32 simple_dvb_configure(struct dvb_frontend *fe, u8 *buf, const u32 delsys, const u32 freq, const u32 bw) { /* This function returns the tuned frequency on success, 0 on error */ struct tuner_simple_priv *priv = fe->tuner_priv; struct tunertype *tun = priv->tun; struct tuner_params *t_params; u8 config, cb; u32 div; int ret; u32 frequency = freq / 62500; if (!tun->stepsize) { /* tuner-core was loaded before the digital tuner was * configured and somehow picked the wrong tuner type */ tuner_err("attempt to treat tuner %d (%s) as digital tuner without stepsize defined.\n", priv->type, priv->tun->name); return 0; /* failure */ } t_params = simple_tuner_params(fe, TUNER_PARAM_TYPE_DIGITAL); ret = simple_config_lookup(fe, t_params, &frequency, &config, &cb); if (ret < 0) return 0; /* failure */ div = ((frequency + t_params->iffreq) * 62500 + offset + tun->stepsize/2) / tun->stepsize; buf[0] = div >> 8; buf[1] = div & 0xff; buf[2] = config; buf[3] = cb; simple_set_dvb(fe, buf, delsys, freq, bw); tuner_dbg("%s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n", tun->name, div, buf[0], buf[1], buf[2], buf[3]); /* calculate the frequency we set it to */ return (div * tun->stepsize) - t_params->iffreq; } static int simple_dvb_calc_regs(struct dvb_frontend *fe, u8 *buf, int buf_len) { struct dtv_frontend_properties *c = &fe->dtv_property_cache; u32 delsys = c->delivery_system; u32 bw = c->bandwidth_hz; struct tuner_simple_priv *priv = fe->tuner_priv; u32 frequency; if (buf_len < 5) return -EINVAL; frequency = simple_dvb_configure(fe, buf+1, delsys, c->frequency, bw); if (frequency == 0) return -EINVAL; buf[0] = priv->i2c_props.addr; priv->frequency = frequency; priv->bandwidth = c->bandwidth_hz; return 5; } static int simple_dvb_set_params(struct dvb_frontend *fe) { struct dtv_frontend_properties *c = &fe->dtv_property_cache; u32 delsys = c->delivery_system; u32 bw = c->bandwidth_hz; u32 freq = c->frequency; struct tuner_simple_priv *priv = fe->tuner_priv; u32 frequency; u32 prev_freq, prev_bw; int ret; u8 buf[5]; if (priv->i2c_props.adap == NULL) return -EINVAL; prev_freq = priv->frequency; prev_bw = priv->bandwidth; frequency = simple_dvb_configure(fe, buf+1, delsys, freq, bw); if (frequency == 0) return -EINVAL; buf[0] = priv->i2c_props.addr; priv->frequency = frequency; priv->bandwidth = bw; /* put analog demod in standby when tuning digital */ if (fe->ops.analog_ops.standby) fe->ops.analog_ops.standby(fe); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); /* buf[0] contains the i2c address, but * * we already have it in i2c_props.addr */ ret = tuner_i2c_xfer_send(&priv->i2c_props, buf+1, 4); if (ret != 4) goto fail; return 0; fail: /* calc_regs sets frequency and bandwidth. if we failed, unset them */ priv->frequency = prev_freq; priv->bandwidth = prev_bw; return ret; } static int simple_init(struct dvb_frontend *fe) { struct tuner_simple_priv *priv = fe->tuner_priv; if (priv->i2c_props.adap == NULL) return -EINVAL; if (priv->tun->initdata) { int ret; if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); ret = tuner_i2c_xfer_send(&priv->i2c_props, priv->tun->initdata + 1, priv->tun->initdata[0]); if (ret != priv->tun->initdata[0]) return ret; } return 0; } static int simple_sleep(struct dvb_frontend *fe) { struct tuner_simple_priv *priv = fe->tuner_priv; if (priv->i2c_props.adap == NULL) return -EINVAL; if (priv->tun->sleepdata) { int ret; if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); ret = tuner_i2c_xfer_send(&priv->i2c_props, priv->tun->sleepdata + 1, priv->tun->sleepdata[0]); if (ret != priv->tun->sleepdata[0]) return ret; } return 0; } static void simple_release(struct dvb_frontend *fe) { struct tuner_simple_priv *priv = fe->tuner_priv; mutex_lock(&tuner_simple_list_mutex); if (priv) hybrid_tuner_release_state(priv); mutex_unlock(&tuner_simple_list_mutex); fe->tuner_priv = NULL; } static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency) { struct tuner_simple_priv *priv = fe->tuner_priv; *frequency = priv->frequency; return 0; } static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) { struct tuner_simple_priv *priv = fe->tuner_priv; *bandwidth = priv->bandwidth; return 0; } static const struct dvb_tuner_ops simple_tuner_ops = { .init = simple_init, .sleep = simple_sleep, .set_analog_params = simple_set_params, .set_params = simple_dvb_set_params, .calc_regs = simple_dvb_calc_regs, .release = simple_release, .get_frequency = simple_get_frequency, .get_bandwidth = simple_get_bandwidth, .get_status = simple_get_status, .get_rf_strength = simple_get_rf_strength, }; struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c_adap, u8 i2c_addr, unsigned int type) { struct tuner_simple_priv *priv = NULL; int instance; if (type >= tuner_count) { printk(KERN_WARNING "%s: invalid tuner type: %d (max: %d)\n", __func__, type, tuner_count-1); return NULL; } /* If i2c_adap is set, check that the tuner is at the correct address. * Otherwise, if i2c_adap is NULL, the tuner will be programmed directly * by the digital demod via calc_regs. */ if (i2c_adap != NULL) { u8 b[1]; struct i2c_msg msg = { .addr = i2c_addr, .flags = I2C_M_RD, .buf = b, .len = 1, }; if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); if (1 != i2c_transfer(i2c_adap, &msg, 1)) printk(KERN_WARNING "tuner-simple %d-%04x: unable to probe %s, proceeding anyway.", i2c_adapter_id(i2c_adap), i2c_addr, tuners[type].name); if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); } mutex_lock(&tuner_simple_list_mutex); instance = hybrid_tuner_request_state(struct tuner_simple_priv, priv, hybrid_tuner_instance_list, i2c_adap, i2c_addr, "tuner-simple"); switch (instance) { case 0: mutex_unlock(&tuner_simple_list_mutex); return NULL; case 1: fe->tuner_priv = priv; priv->type = type; priv->tun = &tuners[type]; priv->nr = simple_devcount++; break; default: fe->tuner_priv = priv; break; } mutex_unlock(&tuner_simple_list_mutex); memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, sizeof(struct dvb_tuner_ops)); if (type != priv->type) tuner_warn("couldn't set type to %d. Using %d (%s) instead\n", type, priv->type, priv->tun->name); else tuner_info("type set to %d (%s)\n", priv->type, priv->tun->name); if ((debug) || ((atv_input[priv->nr] > 0) || (dtv_input[priv->nr] > 0))) { if (0 == atv_input[priv->nr]) tuner_info("tuner %d atv rf input will be autoselected\n", priv->nr); else tuner_info("tuner %d atv rf input will be set to input %d (insmod option)\n", priv->nr, atv_input[priv->nr]); if (0 == dtv_input[priv->nr]) tuner_info("tuner %d dtv rf input will be autoselected\n", priv->nr); else tuner_info("tuner %d dtv rf input will be set to input %d (insmod option)\n", priv->nr, dtv_input[priv->nr]); } strscpy(fe->ops.tuner_ops.info.name, priv->tun->name, sizeof(fe->ops.tuner_ops.info.name)); return fe; } EXPORT_SYMBOL_GPL(simple_tuner_attach); MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver"); MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); MODULE_LICENSE("GPL");
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