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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-04-29 21:38:44 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-29 18:41:37 -0300
commit7c91f0624a9a2b8b9b122cf94fef34bc7f7347a6 (patch)
treee48220117475037125e86a3add48aa12cef7731f /drivers/media/video/tuner-simple.c
parent5fe95e0b865060839449e1a61c1d5c67a4faab9a (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.c1093
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, &params->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:
- */