diff options
author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-29 21:38:44 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-29 18:41:37 -0300 |
commit | 7c91f0624a9a2b8b9b122cf94fef34bc7f7347a6 (patch) | |
tree | e48220117475037125e86a3add48aa12cef7731f /drivers/media/video/tuner-simple.c | |
parent | 5fe95e0b865060839449e1a61c1d5c67a4faab9a (diff) |
V4L/DVB(7767): Move tuners to common/tuners
There were several issues in the past, caused by the hybrid tuner design, since
now, the same tuner can be used by drivers/media/dvb and drivers/media/video.
Kconfig items were rearranged, to split V4L/DVB core from their drivers.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/tuner-simple.c')
-rw-r--r-- | drivers/media/video/tuner-simple.c | 1093 |
1 files changed, 0 insertions, 1093 deletions
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c deleted file mode 100644 index be8d903171b..00000000000 --- a/drivers/media/video/tuner-simple.c +++ /dev/null @@ -1,1093 +0,0 @@ -/* - * 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/videodev.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; -}; - -/* ---------------------------------------------------------------------- */ - -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: - return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3); - 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) - 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, - int *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; - u8 tuneraddr; - 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: - { - /* 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) */ - tuneraddr = priv->i2c_props.addr; - priv->i2c_props.addr = 0x0a; - rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[0], 2); - if (2 != rc) - tuner_warn("i2c i/o error: rc == %d " - "(should be 2)\n", rc); - rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[2], 2); - if (2 != rc) - tuner_warn("i2c i/o error: rc == %d " - "(should be 2)\n", rc); - priv->i2c_props.addr = tuneraddr; - break; - } - } - if (atv_input[priv->nr]) - simple_set_rf_input(fe, config, cb, atv_input[priv->nr]); - - return 0; -} - -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: - /* Set the Auxiliary Byte. */ - buffer[0] = buffer[2]; - buffer[0] &= ~0x20; - buffer[0] |= 0x18; - buffer[1] = 0x20; - tuner_dbg("tv 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); - 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: - case TUNER_LG_NTSC_TAPE: - case TUNER_PHILIPS_FM1256_IH3: - buffer[3] = 0x19; - 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_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; - struct tunertype *tun; - u8 buffer[4]; - int rc, IFPCoff, i; - enum param_type desired_type; - struct tuner_params *t_params; - - tun = priv->tun; - - /* 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 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 = &config; - - if (params->std == V4L2_STD_SECAM_LC) { - if (t_params->port1_active ^ t_params->port1_invert_for_secam_lc) - config |= TDA9887_PORT1_ACTIVE; - if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc) - config |= TDA9887_PORT2_ACTIVE; - } else { - if (t_params->port1_active) - config |= TDA9887_PORT1_ACTIVE; - if (t_params->port2_active) - config |= TDA9887_PORT2_ACTIVE; - } - if (t_params->intercarrier_mode) - config |= TDA9887_INTERCARRIER; - if (is_secam_l) { - if (i == 0 && t_params->default_top_secam_low) - config |= TDA9887_TOP(t_params->default_top_secam_low); - else if (i == 1 && t_params->default_top_secam_mid) - config |= TDA9887_TOP(t_params->default_top_secam_mid); - else if (t_params->default_top_secam_high) - config |= TDA9887_TOP(t_params->default_top_secam_high); - } else { - if (i == 0 && t_params->default_top_low) - config |= TDA9887_TOP(t_params->default_top_low); - else if (i == 1 && t_params->default_top_mid) - config |= TDA9887_TOP(t_params->default_top_mid); - else if (t_params->default_top_high) - config |= TDA9887_TOP(t_params->default_top_high); - } - if (t_params->default_pll_gating_18) - 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; - - 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; - } - - /* Bandswitch byte */ - simple_radio_bandswitch(fe, &buffer[0]); - - buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | - TUNER_RATIO_SELECT_50; /* 50 kHz step */ - - /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps - freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) = - freq * (1/800) */ - div = (freq + 400) / 800; - - if (t_params->cb_first_if_lower_freq && div < priv->last_div) { - buffer[0] = buffer[2]; - buffer[1] = buffer[3]; - buffer[2] = (div>>8) & 0x7f; - 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) - 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); - - 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: - 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; - } - priv->bandwidth = 0; - - return ret; -} - -static void simple_set_dvb(struct dvb_frontend *fe, u8 *buf, - const struct dvb_frontend_parameters *params) -{ - struct tuner_simple_priv *priv = fe->tuner_priv; - - switch (priv->type) { - case TUNER_PHILIPS_FMD1216ME_MK3: - if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ && - params->frequency >= 158870000) - buf[3] |= 0x08; - break; - case TUNER_PHILIPS_TD1316: - /* determine band */ - buf[3] |= (params->frequency < 161000000) ? 1 : - (params->frequency < 444000000) ? 2 : 4; - - /* setup PLL filter */ - if (params->u.ofdm.bandwidth == BANDWIDTH_8_MHZ) - 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 (params->u.vsb.modulation) { - case QAM_64: - case QAM_256: - new_rf = 1; - break; - case VSB_8: - 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 struct dvb_frontend_parameters *params) -{ - /* This function returns the tuned frequency on success, 0 on error */ - struct tuner_simple_priv *priv = fe->tuner_priv; - struct tunertype *tun = priv->tun; - static struct tuner_params *t_params; - u8 config, cb; - u32 div; - int ret, frequency = params->frequency / 62500; - - 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, params); - - 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, - struct dvb_frontend_parameters *params, - u8 *buf, int buf_len) -{ - struct tuner_simple_priv *priv = fe->tuner_priv; - u32 frequency; - - if (buf_len < 5) - return -EINVAL; - - frequency = simple_dvb_configure(fe, buf+1, params); - if (frequency == 0) - return -EINVAL; - - buf[0] = priv->i2c_props.addr; - - priv->frequency = frequency; - priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? - params->u.ofdm.bandwidth : 0; - - return 5; -} - -static int simple_dvb_set_params(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params) -{ - struct tuner_simple_priv *priv = fe->tuner_priv; - 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; - - ret = simple_dvb_calc_regs(fe, params, buf, 5); - if (ret != 5) - goto fail; - - /* 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 int 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; - - return 0; -} - -static int simple_get_frequency(struct dvb_frontend *fe, u32 *frequency) -{ - struct tuner_simple_priv *priv = fe->tuner_priv; - *frequency = priv->frequency; - return 0; -} - -static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth) -{ - struct tuner_simple_priv *priv = fe->tuner_priv; - *bandwidth = priv->bandwidth; - return 0; -} - -static 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)) - tuner_warn("unable to probe %s, proceeding anyway.", - 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; - break; - 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)); - - tuner_info("type set to %d (%s)\n", 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]); - } - - strlcpy(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"); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ |