aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/tuner-simple.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/tuner-simple.c')
-rw-r--r--drivers/media/video/tuner-simple.c410
1 files changed, 0 insertions, 410 deletions
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
deleted file mode 100644
index 37977ff4978..00000000000
--- a/drivers/media/video/tuner-simple.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/*
- *
- * i2c tv tuner chip device driver
- * controls all those simple 4-control-bytes style tuners.
- */
-#include <linux/delay.h>
-#include <linux/i2c.h>
-#include <linux/videodev.h>
-#include <media/tuner.h>
-
-static int offset = 0;
-module_param(offset, int, 0666);
-MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
-
-/* ---------------------------------------------------------------------- */
-
-/* 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_BG 0x01 /* Bit 2 must be zero, Bit 3 is system output */
-#define PHILIPS_MF_SET_PAL_L 0x03 // France
-#define PHILIPS_MF_SET_PAL_L2 0x02 // 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
-
-#define TUNER_PARAM_ANALOG 0 /* to be removed */
-/* FIXME:
- * 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,
- * TUNER_PARAM_ANALOG will be removed, and the tuner_params[] array
- * element will be chosen based on the video standard in use.
- *
- */
-
-/* ---------------------------------------------------------------------- */
-
-static int tuner_getstatus(struct i2c_client *c)
-{
- unsigned char byte;
-
- if (1 != i2c_master_recv(c,&byte,1))
- return 0;
-
- return byte;
-}
-
-static int tuner_signal(struct i2c_client *c)
-{
- return (tuner_getstatus(c) & TUNER_SIGNAL) << 13;
-}
-
-static int tuner_stereo(struct i2c_client *c)
-{
- int stereo, status;
- struct tuner *t = i2c_get_clientdata(c);
-
- status = tuner_getstatus (c);
-
- switch (t->type) {
- case TUNER_PHILIPS_FM1216ME_MK3:
- case TUNER_PHILIPS_FM1236_MK3:
- case TUNER_PHILIPS_FM1256_IH3:
- stereo = ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
- break;
- default:
- stereo = status & TUNER_STEREO;
- }
-
- return stereo;
-}
-
-
-/* ---------------------------------------------------------------------- */
-
-static void default_set_tv_freq(struct i2c_client *c, unsigned int freq)
-{
- struct tuner *t = i2c_get_clientdata(c);
- u8 config, tuneraddr;
- u16 div;
- struct tunertype *tun;
- u8 buffer[4];
- int rc, IFPCoff, i, j;
-
- tun = &tuners[t->type];
- j = TUNER_PARAM_ANALOG;
-
- for (i = 0; i < tun->params[j].count; i++) {
- if (freq > tun->params[j].ranges[i].limit)
- continue;
- break;
- }
- if (i == tun->params[j].count) {
- tuner_dbg("TV frequency out of range (%d > %d)",
- freq, tun->params[j].ranges[i - 1].limit);
- freq = tun->params[j].ranges[--i].limit;
- }
- config = tun->params[j].ranges[i].cb;
- /* i == 0 -> VHF_LO */
- /* i == 1 -> VHF_HI */
- /* i == 2 -> UHF */
- tuner_dbg("tv: range %d\n",i);
-
- /* tv norm specific stuff for multi-norm tuners */
- switch (t->type) {
- case TUNER_PHILIPS_SECAM: // FI1216MF
- /* 0x01 -> ??? no change ??? */
- /* 0x02 -> PAL BDGHI / SECAM L */
- /* 0x04 -> ??? PAL others / SECAM others ??? */
- config &= ~0x02;
- if (t->std & V4L2_STD_SECAM)
- config |= 0x02;
- break;
-
- case TUNER_TEMIC_4046FM5:
- config &= ~0x0f;
-
- if (t->std & V4L2_STD_PAL_BG) {
- config |= TEMIC_SET_PAL_BG;
-
- } else if (t->std & V4L2_STD_PAL_I) {
- config |= TEMIC_SET_PAL_I;
-
- } else if (t->std & V4L2_STD_PAL_DK) {
- config |= TEMIC_SET_PAL_DK;
-
- } else if (t->std & V4L2_STD_SECAM_L) {
- config |= TEMIC_SET_PAL_L;
-
- }
- break;
-
- case TUNER_PHILIPS_FQ1216ME:
- config &= ~0x0f;
-
- if (t->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) {
- config |= PHILIPS_SET_PAL_BGDK;
-
- } else if (t->std & V4L2_STD_PAL_I) {
- config |= PHILIPS_SET_PAL_I;
-
- } else if (t->std & V4L2_STD_SECAM_L) {
- config |= PHILIPS_SET_PAL_L;
-
- }
- break;
-
- case TUNER_PHILIPS_ATSC:
- /* 0x00 -> ATSC antenna input 1 */
- /* 0x01 -> ATSC antenna input 2 */
- /* 0x02 -> NTSC antenna input 1 */
- /* 0x03 -> NTSC antenna input 2 */
- config &= ~0x03;
- if (!(t->std & V4L2_STD_ATSC))
- config |= 2;
- /* FIXME: input */
- break;
-
- case TUNER_MICROTUNE_4042FI5:
- /* Set the charge pump for fast tuning */
- tun->params[j].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 */
- buffer[0] = 0x14;
- buffer[1] = 0x00;
- buffer[2] = 0x17;
- buffer[3] = 0x00;
- config &= ~0x40;
- if (t->std & V4L2_STD_ATSC) {
- config |= 0x40;
- buffer[1] = 0x04;
- }
- /* set to the correct mode (analog or digital) */
- tuneraddr = c->addr;
- c->addr = 0x0a;
- if (2 != (rc = i2c_master_send(c,&buffer[0],2)))
- tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
- if (2 != (rc = i2c_master_send(c,&buffer[2],2)))
- tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
- c->addr = tuneraddr;
- /* FIXME: input */
- break;
- }
-
- /* 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 (t->std == V4L2_STD_NTSC_M_JP) {
- IFPCoff = 940;
- } else if ((t->std & V4L2_STD_MN) &&
- !(t->std & ~V4L2_STD_MN)) {
- IFPCoff = 732;
- } else if (t->std == V4L2_STD_SECAM_LC) {
- IFPCoff = 543;
- } else {
- IFPCoff = 623;
- }
-
- div=freq + IFPCoff + offset;
-
- tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
- freq / 16, freq % 16 * 100 / 16,
- IFPCoff / 16, IFPCoff % 16 * 100 / 16,
- offset / 16, offset % 16 * 100 / 16,
- div);
-
- if (tuners[t->type].params->cb_first_if_lower_freq && div < t->last_div) {
- buffer[0] = tun->params[j].config;
- buffer[1] = config;
- buffer[2] = (div>>8) & 0x7f;
- buffer[3] = div & 0xff;
- } else {
- buffer[0] = (div>>8) & 0x7f;
- buffer[1] = div & 0xff;
- buffer[2] = tun->params[j].config;
- buffer[3] = config;
- }
- t->last_div = div;
- tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
- buffer[0],buffer[1],buffer[2],buffer[3]);
-
- if (4 != (rc = i2c_master_send(c,buffer,4)))
- tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
-
- if (t->type == 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;
- if (1 != (rc = i2c_master_recv(c,&status_byte,1))) {
- 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 */
- tun->params[j].config &= ~TUNER_CHARGE_PUMP;
- buffer[0] = (div>>8) & 0x7f;
- buffer[1] = div & 0xff;
- buffer[2] = tun->params[j].config;
- buffer[3] = config;
- tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
- buffer[0],buffer[1],buffer[2],buffer[3]);
-
- if (4 != (rc = i2c_master_send(c,buffer,4)))
- tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
- }
-}
-
-static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
-{
- struct tunertype *tun;
- struct tuner *t = i2c_get_clientdata(c);
- u8 buffer[4];
- u16 div;
- int rc, j;
-
- tun = &tuners[t->type];
- j = TUNER_PARAM_ANALOG;
-
- div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
- buffer[2] = (tun->params[j].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
-
- switch (t->type) {
- case TUNER_TENA_9533_DI:
- case TUNER_YMEC_TVF_5533MF:
- tuner_dbg ("This tuner doesn't have FM. Most cards has a TEA5767 for FM\n");
- return;
- case TUNER_PHILIPS_FM1216ME_MK3:
- case TUNER_PHILIPS_FM1236_MK3:
- case TUNER_PHILIPS_FMD1216ME_MK3:
- buffer[3] = 0x19;
- break;
- case TUNER_PHILIPS_FM1256_IH3:
- div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
- buffer[3] = 0x19;
- break;
- case TUNER_LG_PAL_FM:
- buffer[3] = 0xa5;
- break;
- case TUNER_MICROTUNE_4049FM5:
- div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
- buffer[3] = 0xa4;
- break;
- default:
- buffer[3] = 0xa4;
- break;
- }
- buffer[0] = (div>>8) & 0x7f;
- buffer[1] = div & 0xff;
- if (tuners[t->type].params->cb_first_if_lower_freq && div < t->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]);
- t->last_div = div;
-
- if (4 != (rc = i2c_master_send(c,buffer,4)))
- tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
-}
-
-int default_tuner_init(struct i2c_client *c)
-{
- struct tuner *t = i2c_get_clientdata(c);
-
- tuner_info("type set to %d (%s)\n",
- t->type, tuners[t->type].name);
- strlcpy(c->name, tuners[t->type].name, sizeof(c->name));
-
- t->set_tv_freq = default_set_tv_freq;
- t->set_radio_freq = default_set_radio_freq;
- t->has_signal = tuner_signal;
- t->is_stereo = tuner_stereo;
- t->standby = NULL;
-
- return 0;
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-14 09:28:33 +0000