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Diffstat (limited to 'drivers/media/video/tea5767.c')
-rw-r--r--drivers/media/video/tea5767.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/drivers/media/video/tea5767.c b/drivers/media/video/tea5767.c
deleted file mode 100644
index 921fe72f23d..00000000000
--- a/drivers/media/video/tea5767.c
+++ /dev/null
@@ -1,360 +0,0 @@
-/*
- * For Philips TEA5767 FM Chip used on some TV Cards like Prolink Pixelview
- * I2C address is allways 0xC0.
- *
- *
- * Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br)
- * This code is placed under the terms of the GNU General Public License
- *
- * tea5767 autodetection thanks to Torsten Seeboth and Atsushi Nakagawa
- * from their contributions on DScaler.
- */
-
-#include <linux/i2c.h>
-#include <linux/videodev.h>
-#include <linux/delay.h>
-#include <media/tuner.h>
-
-#define PREFIX "TEA5767 "
-
-/* from tuner-core.c */
-extern int tuner_debug;
-
-/*****************************************************************************/
-
-/******************************
- * Write mode register values *
- ******************************/
-
-/* First register */
-#define TEA5767_MUTE 0x80 /* Mutes output */
-#define TEA5767_SEARCH 0x40 /* Activates station search */
-/* Bits 0-5 for divider MSB */
-
-/* Second register */
-/* Bits 0-7 for divider LSB */
-
-/* Third register */
-
-/* Station search from botton to up */
-#define TEA5767_SEARCH_UP 0x80
-
-/* Searches with ADC output = 10 */
-#define TEA5767_SRCH_HIGH_LVL 0x60
-
-/* Searches with ADC output = 10 */
-#define TEA5767_SRCH_MID_LVL 0x40
-
-/* Searches with ADC output = 5 */
-#define TEA5767_SRCH_LOW_LVL 0x20
-
-/* if on, div=4*(Frf+Fif)/Fref otherwise, div=4*(Frf-Fif)/Freq) */
-#define TEA5767_HIGH_LO_INJECT 0x10
-
-/* Disable stereo */
-#define TEA5767_MONO 0x08
-
-/* Disable right channel and turns to mono */
-#define TEA5767_MUTE_RIGHT 0x04
-
-/* Disable left channel and turns to mono */
-#define TEA5767_MUTE_LEFT 0x02
-
-#define TEA5767_PORT1_HIGH 0x01
-
-/* Forth register */
-#define TEA5767_PORT2_HIGH 0x80
-/* Chips stops working. Only I2C bus remains on */
-#define TEA5767_STDBY 0x40
-
-/* Japan freq (76-108 MHz. If disabled, 87.5-108 MHz */
-#define TEA5767_JAPAN_BAND 0x20
-
-/* Unselected means 32.768 KHz freq as reference. Otherwise Xtal at 13 MHz */
-#define TEA5767_XTAL_32768 0x10
-
-/* Cuts weak signals */
-#define TEA5767_SOFT_MUTE 0x08
-
-/* Activates high cut control */
-#define TEA5767_HIGH_CUT_CTRL 0x04
-
-/* Activates stereo noise control */
-#define TEA5767_ST_NOISE_CTL 0x02
-
-/* If activate PORT 1 indicates SEARCH or else it is used as PORT1 */
-#define TEA5767_SRCH_IND 0x01
-
-/* Fiveth register */
-
-/* By activating, it will use Xtal at 13 MHz as reference for divider */
-#define TEA5767_PLLREF_ENABLE 0x80
-
-/* By activating, deemphasis=50, or else, deemphasis of 50us */
-#define TEA5767_DEEMPH_75 0X40
-
-/*****************************
- * Read mode register values *
- *****************************/
-
-/* First register */
-#define TEA5767_READY_FLAG_MASK 0x80
-#define TEA5767_BAND_LIMIT_MASK 0X40
-/* Bits 0-5 for divider MSB after search or preset */
-
-/* Second register */
-/* Bits 0-7 for divider LSB after search or preset */
-
-/* Third register */
-#define TEA5767_STEREO_MASK 0x80
-#define TEA5767_IF_CNTR_MASK 0x7f
-
-/* Four register */
-#define TEA5767_ADC_LEVEL_MASK 0xf0
-
-/* should be 0 */
-#define TEA5767_CHIP_ID_MASK 0x0f
-
-/* Fiveth register */
-/* Reserved for future extensions */
-#define TEA5767_RESERVED_MASK 0xff
-
-enum tea5767_xtal_freq {
- TEA5767_LOW_LO_32768 = 0,
- TEA5767_HIGH_LO_32768 = 1,
- TEA5767_LOW_LO_13MHz = 2,
- TEA5767_HIGH_LO_13MHz = 3,
-};
-
-
-/*****************************************************************************/
-
-static void set_tv_freq(struct i2c_client *c, unsigned int freq)
-{
- struct tuner *t = i2c_get_clientdata(c);
-
- tuner_warn("This tuner doesn't support TV freq.\n");
-}
-
-static void tea5767_status_dump(unsigned char *buffer)
-{
- unsigned int div, frq;
-
- if (TEA5767_READY_FLAG_MASK & buffer[0])
- printk(PREFIX "Ready Flag ON\n");
- else
- printk(PREFIX "Ready Flag OFF\n");
-
- if (TEA5767_BAND_LIMIT_MASK & buffer[0])
- printk(PREFIX "Tuner at band limit\n");
- else
- printk(PREFIX "Tuner not at band limit\n");
-
- div = ((buffer[0] & 0x3f) << 8) | buffer[1];
-
- switch (TEA5767_HIGH_LO_32768) {
- case TEA5767_HIGH_LO_13MHz:
- frq = (div * 50000 - 700000 - 225000) / 4; /* Freq in KHz */
- break;
- case TEA5767_LOW_LO_13MHz:
- frq = (div * 50000 + 700000 + 225000) / 4; /* Freq in KHz */
- break;
- case TEA5767_LOW_LO_32768:
- frq = (div * 32768 + 700000 + 225000) / 4; /* Freq in KHz */
- break;
- case TEA5767_HIGH_LO_32768:
- default:
- frq = (div * 32768 - 700000 - 225000) / 4; /* Freq in KHz */
- break;
- }
- buffer[0] = (div >> 8) & 0x3f;
- buffer[1] = div & 0xff;
-
- printk(PREFIX "Frequency %d.%03d KHz (divider = 0x%04x)\n",
- frq / 1000, frq % 1000, div);
-
- if (TEA5767_STEREO_MASK & buffer[2])
- printk(PREFIX "Stereo\n");
- else
- printk(PREFIX "Mono\n");
-
- printk(PREFIX "IF Counter = %d\n", buffer[2] & TEA5767_IF_CNTR_MASK);
-
- printk(PREFIX "ADC Level = %d\n",
- (buffer[3] & TEA5767_ADC_LEVEL_MASK) >> 4);
-
- printk(PREFIX "Chip ID = %d\n", (buffer[3] & TEA5767_CHIP_ID_MASK));
-
- printk(PREFIX "Reserved = 0x%02x\n",
- (buffer[4] & TEA5767_RESERVED_MASK));
-}
-
-/* Freq should be specifyed at 62.5 Hz */
-static void set_radio_freq(struct i2c_client *c, unsigned int frq)
-{
- struct tuner *t = i2c_get_clientdata(c);
- unsigned char buffer[5];
- unsigned div;
- int rc;
-
- tuner_dbg (PREFIX "radio freq = %d.%03d MHz\n", frq/16000,(frq/16)%1000);
-
- /* Rounds freq to next decimal value - for 62.5 KHz step */
- /* frq = 20*(frq/16)+radio_frq[frq%16]; */
-
- buffer[2] = TEA5767_PORT1_HIGH;
- buffer[3] = TEA5767_PORT2_HIGH | TEA5767_HIGH_CUT_CTRL |
- TEA5767_ST_NOISE_CTL | TEA5767_JAPAN_BAND;
- buffer[4] = 0;
-
- if (t->audmode == V4L2_TUNER_MODE_MONO) {
- tuner_dbg("TEA5767 set to mono\n");
- buffer[2] |= TEA5767_MONO;
- } else {
- tuner_dbg("TEA5767 set to stereo\n");
- }
-
- /* Should be replaced */
- switch (TEA5767_HIGH_LO_32768) {
- case TEA5767_HIGH_LO_13MHz:
- tuner_dbg ("TEA5767 radio HIGH LO inject xtal @ 13 MHz\n");
- buffer[2] |= TEA5767_HIGH_LO_INJECT;
- buffer[4] |= TEA5767_PLLREF_ENABLE;
- div = (frq * 4000 / 16 + 700000 + 225000 + 25000) / 50000;
- break;
- case TEA5767_LOW_LO_13MHz:
- tuner_dbg ("TEA5767 radio LOW LO inject xtal @ 13 MHz\n");
-
- buffer[4] |= TEA5767_PLLREF_ENABLE;
- div = (frq * 4000 / 16 - 700000 - 225000 + 25000) / 50000;
- break;
- case TEA5767_LOW_LO_32768:
- tuner_dbg ("TEA5767 radio LOW LO inject xtal @ 32,768 MHz\n");
- buffer[3] |= TEA5767_XTAL_32768;
- /* const 700=4000*175 Khz - to adjust freq to right value */
- div = ((frq * 4000 / 16 - 700000 - 225000) + 16384) >> 15;
- break;
- case TEA5767_HIGH_LO_32768:
- default:
- tuner_dbg ("TEA5767 radio HIGH LO inject xtal @ 32,768 MHz\n");
-
- buffer[2] |= TEA5767_HIGH_LO_INJECT;
- buffer[3] |= TEA5767_XTAL_32768;
- div = ((frq * (4000 / 16) + 700000 + 225000) + 16384) >> 15;
- break;
- }
- buffer[0] = (div >> 8) & 0x3f;
- buffer[1] = div & 0xff;
-
- if (5 != (rc = i2c_master_send(c, buffer, 5)))
- tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
-
- if (tuner_debug) {
- if (5 != (rc = i2c_master_recv(c, buffer, 5)))
- tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
- else
- tea5767_status_dump(buffer);
- }
-}
-
-static int tea5767_signal(struct i2c_client *c)
-{
- unsigned char buffer[5];
- int rc;
- struct tuner *t = i2c_get_clientdata(c);
-
- memset(buffer, 0, sizeof(buffer));
- if (5 != (rc = i2c_master_recv(c, buffer, 5)))
- tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
-
- return ((buffer[3] & TEA5767_ADC_LEVEL_MASK) << 8);
-}
-
-static int tea5767_stereo(struct i2c_client *c)
-{
- unsigned char buffer[5];
- int rc;
- struct tuner *t = i2c_get_clientdata(c);
-
- memset(buffer, 0, sizeof(buffer));
- if (5 != (rc = i2c_master_recv(c, buffer, 5)))
- tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
-
- rc = buffer[2] & TEA5767_STEREO_MASK;
-
- tuner_dbg("TEA5767 radio ST GET = %02x\n", rc);
-
- return ((buffer[2] & TEA5767_STEREO_MASK) ? V4L2_TUNER_SUB_STEREO : 0);
-}
-
-static void tea5767_standby(struct i2c_client *c)
-{
- unsigned char buffer[5];
- struct tuner *t = i2c_get_clientdata(c);
- unsigned div, rc;
-
- div = (87500 * 4 + 700 + 225 + 25) / 50; /* Set frequency to 87.5 MHz */
- buffer[0] = (div >> 8) & 0x3f;
- buffer[1] = div & 0xff;
- buffer[2] = TEA5767_PORT1_HIGH;
- buffer[3] = TEA5767_PORT2_HIGH | TEA5767_HIGH_CUT_CTRL |
- TEA5767_ST_NOISE_CTL | TEA5767_JAPAN_BAND | TEA5767_STDBY;
- buffer[4] = 0;
-
- if (5 != (rc = i2c_master_send(c, buffer, 5)))
- tuner_warn("i2c i/o error: rc == %d (should be 5)\n", rc);
-}
-
-int tea5767_autodetection(struct i2c_client *c)
-{
- unsigned char buffer[7] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
- int rc;
- struct tuner *t = i2c_get_clientdata(c);
-
- if ((rc = i2c_master_recv(c, buffer, 7))< 5) {
- tuner_warn("It is not a TEA5767. Received %i bytes.\n", rc);
- return EINVAL;
- }
-
- /* If all bytes are the same then it's a TV tuner and not a tea5767 */
- if (buffer[0] == buffer[1] && buffer[0] == buffer[2] &&
- buffer[0] == buffer[3] && buffer[0] == buffer[4]) {
- tuner_warn("All bytes are equal. It is not a TEA5767\n");
- return EINVAL;
- }
-
- /* Status bytes:
- * Byte 4: bit 3:1 : CI (Chip Identification) == 0
- * bit 0 : internally set to 0
- * Byte 5: bit 7:0 : == 0
- */
- if (((buffer[3] & 0x0f) != 0x00) || (buffer[4] != 0x00)) {
- tuner_warn("Chip ID is not zero. It is not a TEA5767\n");
- return EINVAL;
- }
-
- /* It seems that tea5767 returns 0xff after the 5th byte */
- if ((buffer[5] != 0xff) || (buffer[6] != 0xff)) {
- tuner_warn("Returned more than 5 bytes. It is not a TEA5767\n");
- return EINVAL;
- }
-
- tuner_warn("TEA5767 detected.\n");
- return 0;
-}
-
-int tea5767_tuner_init(struct i2c_client *c)
-{
- struct tuner *t = i2c_get_clientdata(c);
-
- tuner_info("type set to %d (%s)\n", t->type, "Philips TEA5767HN FM Radio");
- strlcpy(c->name, "tea5767", sizeof(c->name));
-
- t->tv_freq = set_tv_freq;
- t->radio_freq = set_radio_freq;
- t->has_signal = tea5767_signal;
- t->is_stereo = tea5767_stereo;
- t->standby = tea5767_standby;
-
- return (0);
-}
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