V4L/DVB (5129): M920x: break out qt1010 tuner code into a separate file
qt1010 is a tuner used in some other devices, so this code should be put
into a separate file so that it could be reused by other drivers.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/dvb-usb/m920x.c b/drivers/media/dvb/dvb-usb/m920x.c
index 5ab16b1..292805a 100644
--- a/drivers/media/dvb/dvb-usb/m920x.c
+++ b/drivers/media/dvb/dvb-usb/m920x.c
@@ -13,6 +13,7 @@
#include "mt352.h"
#include "mt352_priv.h"
+#include "qt1010.h"
/* debug */
int dvb_usb_m920x_debug;
@@ -226,209 +227,6 @@
struct mt352_state;
-#define W 0
-#define R 1
-/* Not actual hw limits. */
-#define QT1010_MIN_STEP 2000000
-#define QT1010_MIN_FREQ 48000000
-
-int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params, u8 *buf, int buf_len)
-{
- int i;
- int div, mod;
- struct {
- u8 read, reg, value;
- } rd[46] = { { W, 0x01, 0x80 },
- { W, 0x02, 0x3f },
- { W, 0x05, 0xff }, /* c */
- { W, 0x06, 0x44 },
- { W, 0x07, 0xff }, /* c */
- { W, 0x08, 0x08 },
- { W, 0x09, 0xff }, /* c */
- { W, 0x0a, 0xff }, /* c */
- { W, 0x0b, 0xff }, /* c */
- { W, 0x0c, 0xe1 },
- { W, 0x1a, 0xff }, /* 10 c */
- { W, 0x1b, 0x00 },
- { W, 0x1c, 0x89 },
- { W, 0x11, 0xff }, /* c */
- { W, 0x12, 0x91 },
- { W, 0x22, 0xff }, /* c */
- { W, 0x1e, 0x00 },
- { W, 0x1e, 0xd0 },
- { R, 0x22, 0xff }, /* c read */
- { W, 0x1e, 0x00 },
- { R, 0x05, 0xff }, /* 20 c read */
- { R, 0x22, 0xff }, /* c read */
- { W, 0x23, 0xd0 },
- { W, 0x1e, 0x00 },
- { W, 0x1e, 0xe0 },
- { R, 0x23, 0xff }, /* c read */
- { W, 0x1e, 0x00 },
- { W, 0x24, 0xd0 },
- { W, 0x1e, 0x00 },
- { W, 0x1e, 0xf0 },
- { R, 0x24, 0xff }, /* 30 c read */
- { W, 0x1e, 0x00 },
- { W, 0x14, 0x7f },
- { W, 0x15, 0x7f },
- { W, 0x05, 0xff }, /* c */
- { W, 0x06, 0x00 },
- { W, 0x15, 0x1f },
- { W, 0x16, 0xff },
- { W, 0x18, 0xff },
- { W, 0x1f, 0xff }, /* c */
- { W, 0x20, 0xff }, /* 40 c */
- { W, 0x21, 0x53 },
- { W, 0x25, 0xbd },
- { W, 0x26, 0x15 },
- { W, 0x02, 0x00 },
- { W, 0x01, 0x00 },
- };
- struct i2c_msg msg;
- struct dvb_usb_device *d = fe->dvb->priv;
- unsigned long freq = params->frequency;
-
- if (freq % QT1010_MIN_STEP)
- deb_rc("frequency not supported.\n");
-
- (void) buf;
- (void) buf_len;
-
- div = (freq - QT1010_MIN_FREQ) / QT1010_MIN_STEP;
- mod = (div + 16 - 9) % 16;
-
- /* 0x5 */
- if (div >= 377)
- rd[2].value = 0x74;
- else if (div >= 265)
- rd[2].value = 0x54;
- else if (div >= 121)
- rd[2].value = 0x34;
- else
- rd[2].value = 0x14;
-
- /* 0x7 */
- rd[4].value = (((freq - QT1010_MIN_FREQ) / 1000000) * 9975 + 12960000) / 320000;
-
- /* 09 */
- if (mod < 4)
- rd[6].value = 0x1d;
- else
- rd[6].value = 0x1c;
-
- /* 0a */
- if (mod < 2)
- rd[7].value = 0x09;
- else if (mod < 4)
- rd[7].value = 0x08;
- else if (mod < 6)
- rd[7].value = 0x0f;
- else if (mod < 8)
- rd[7].value = 0x0e;
- else if (mod < 10)
- rd[7].value = 0x0d;
- else if (mod < 12)
- rd[7].value = 0x0c;
- else if (mod < 14)
- rd[7].value = 0x0b;
- else
- rd[7].value = 0x0a;
-
- /* 0b */
- if (div & 1)
- rd[8].value = 0x45;
- else
- rd[8].value = 0x44;
-
- /* 1a */
- if (div & 1)
- rd[10].value = 0x78;
- else
- rd[10].value = 0xf8;
-
- /* 11 */
- if (div >= 265)
- rd[13].value = 0xf9;
- else if (div >= 121)
- rd[13].value = 0xfd;
- else
- rd[13].value = 0xf9;
-
- /* 22 */
- if (div < 201)
- rd[15].value = 0xd0;
- else if (div < 217)
- rd[15].value = 0xd3;
- else if (div < 233)
- rd[15].value = 0xd6;
- else if (div < 249)
- rd[15].value = 0xd9;
- else if (div < 265)
- rd[15].value = 0xda;
- else
- rd[15].value = 0xd0;
-
- /* 05 */
- if (div >= 377)
- rd[34].value = 0x70;
- else if (div >= 265)
- rd[34].value = 0x50;
- else if (div >= 121)
- rd[34].value = 0x30;
- else
- rd[34].value = 0x10;
-
- /* 1f */
- if (mod < 4)
- rd[39].value = 0x64;
- else if (mod < 6)
- rd[39].value = 0x66;
- else if (mod < 8)
- rd[39].value = 0x67;
- else if (mod < 12)
- rd[39].value = 0x68;
- else if (mod < 14)
- rd[39].value = 0x69;
- else
- rd[39].value = 0x6a;
-
- /* 20 */
- if (mod < 4)
- rd[40].value = 0x10;
- else if (mod < 6)
- rd[40].value = 0x11;
- else if (mod < 10)
- rd[40].value = 0x12;
- else if (mod < 12)
- rd[40].value = 0x13;
- else if (mod < 14)
- rd[40].value = 0x14;
- else
- rd[40].value = 0x15;
-
- deb_rc("Now tuning... ");
- for (i = 0; i < sizeof(rd) / sizeof(*rd); i++) {
- if (rd[i].read)
- continue;
-
- msg.flags = 0;
- msg.len = 2;
- msg.addr = 0xc4;
- msg.buf = &rd[i].reg;
-
- if (i2c_transfer(&d->i2c_adap, &msg, 1) != 1) {
- deb_rc("tuner write failed\n");
- return -EIO;
- }
- }
- deb_rc("done\n");
-
- return 0;
-}
-#undef W
-#undef R
-
static struct mt352_config megasky_mt352_config = {
.demod_address = 0x1e,
.demod_init = megasky_mt352_demod_init,
