From: Stefan Ringel <[email protected]>
Signed-off-by: Stefan Ringel <[email protected]>
---
drivers/media/common/tuners/mt2063.c | 186 ++++++++++++----------------------
1 files changed, 63 insertions(+), 123 deletions(-)
diff --git a/drivers/media/common/tuners/mt2063.c
b/drivers/media/common/tuners/mt2063.c
index 0c5d472..7dd1d7c 100644
--- a/drivers/media/common/tuners/mt2063.c
+++ b/drivers/media/common/tuners/mt2063.c
@@ -384,165 +384,105 @@ err:
static int mt2063_init(struct dvb_frontend *fe)
{
- u32 status;
struct mt2063_state *state = fe->tuner_priv;
- u8 all_resets = 0xF0; /* reset/load bits */
const u8 *def = NULL;
- char *step;
- u32 FCRUN;
- s32 maxReads;
- u32 fcu_osc;
- u32 i;
-
- dprintk(2, "\n");
-
- state->rcvr_mode = MT2063_CABLE_QAM;
-
- /* Read the Part/Rev code from the tuner */
- status = mt2063_read(state, MT2063_REG_PART_REV,
- &state->reg[MT2063_REG_PART_REV], 1);
- if (status < 0) {
- printk(KERN_ERR "Can't read mt2063 part ID\n");
- return status;
- }
+ u8 xo_lock = 1, i;
- /* Check the part/rev code */
- switch (state->reg[MT2063_REG_PART_REV]) {
- case MT2063_B0:
- step = "B0";
- break;
- case MT2063_B1:
- step = "B1";
- break;
- case MT2063_B2:
- step = "B2";
- break;
- case MT2063_B3:
- step = "B3";
- break;
- default:
- printk(KERN_ERR "mt2063: Unknown mt2063 device ID (0x%02x)\n",
- state->reg[MT2063_REG_PART_REV]);
- return -ENODEV; /* Wrong tuner Part/Rev code */
- }
+ dprintk(1, "\n");
- /* Check the 2nd byte of the Part/Rev code from the tuner */
- status = mt2063_read(state, MT2063_REG_RSVD_3B,
- &state->reg[MT2063_REG_RSVD_3B], 1);
+ mutex_lock(&state->lock);
- /* b7 != 0 ==> NOT MT2063 */
- if (status < 0 || ((state->reg[MT2063_REG_RSVD_3B] & 0x80) != 0x00)) {
- printk(KERN_ERR "mt2063: Unknown part ID (0x%02x%02x)\n",
- state->reg[MT2063_REG_PART_REV],
- state->reg[MT2063_REG_RSVD_3B]);
- return -ENODEV; /* Wrong tuner Part/Rev code */
- }
+ /* open gate */
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+
+ /* power on */
+ mt2063_shutdown(state, MT2063_NONE_SD);
- printk(KERN_INFO "mt2063: detected a mt2063 %s\n", step);
+ /* reset */
+ mt2063_write(state, MT2063_REG_LO2CQ_3, 0xf0);
- /* Reset the tuner */
- status = mt2063_write(state, MT2063_REG_LO2CQ_3, &all_resets, 1);
- if (status < 0)
- return status;
+ /* debug dump */
+ if (debug >= 3) {
+ /* print all register after reset */
+ u8 reg[64];
+ /* fill all reg */
+ for (i = 0; i < 64; i++) {
+ mt2063_read(state, i, ®[i]);
+ }
+ print_hex_dump(KERN_DEBUG, "mt2063: ",
+ DUMP_PREFIX_OFFSET, 16, 1, reg, 64, false);
+ }
- /* change all of the default values that vary from the HW reset values
*/
- /* def = (state->reg[PART_REV] == MT2063_B0) ? MT2063B0_defaults :
MT2063B1_defaults; */
- switch (state->reg[MT2063_REG_PART_REV]) {
+ /* load defaults */
+ switch (state->tuner_id) {
case MT2063_B3:
def = MT2063B3_defaults;
break;
-
case MT2063_B1:
def = MT2063B1_defaults;
break;
-
case MT2063_B0:
def = MT2063B0_defaults;
break;
-
default:
- return -ENODEV;
+ def = MT2063B1_defaults;
break;
}
- while (status >= 0 && *def) {
+ while (*def) {
u8 reg = *def++;
u8 val = *def++;
- status = mt2063_write(state, reg, &val, 1);
+ mt2063_write(state, reg, val);
}
- if (status < 0)
- return status;
- /* Wait for FIFF location to complete. */
- FCRUN = 1;
- maxReads = 10;
- while (status >= 0 && (FCRUN != 0) && (maxReads-- > 0)) {
+ /* wait to lock */
+ while (!xo_lock) {
msleep(2);
- status = mt2063_read(state,
- MT2063_REG_XO_STATUS,
- &state->
- reg[MT2063_REG_XO_STATUS], 1);
- FCRUN = (state->reg[MT2063_REG_XO_STATUS] & 0x40) >> 6;
+ mt2063_read(state, MT2063_REG_XO_STATUS, &xo_lock);
+ xo_lock = (xo_lock & 0x40) >> 6;
}
- if (FCRUN != 0 || status < 0)
- return -ENODEV;
-
- status = mt2063_read(state,
- MT2063_REG_FIFFC,
- &state->reg[MT2063_REG_FIFFC], 1);
- if (status < 0)
- return status;
+ /* set RF AGC on */
+ mt2063_set_reg_mask(state, MT2063_REG_PD1_TGT, 0x40, 0x40);
- /* Read back all the registers from the tuner */
- status = mt2063_read(state,
- MT2063_REG_PART_REV,
- state->reg, MT2063_REG_END_REGS);
- if (status < 0)
- return status;
+ /* first IF Filter Queue enable and first IF Filter queue */
+ mt2063_set_reg_mask(state, MT2063_REG_FIFF_CTRL2,
+ (1 << 7) | (0 << 4), 0xf0);
+ /* trigger FIFF calibration, needed after changing FIFFQ */
+ mt2063_set_reg_mask(state, MT2063_REG_FIFF_CTRL, 0x01, 0x01);
+ mt2063_set_reg_mask(state, MT2063_REG_FIFF_CTRL, 0x00, 0x01);
/* set DNC1 GC on */
mt2063_set_reg_mask(state, MT2063_REG_DNC_GAIN, 0x00, 0x03);
/* set DNC2 GC on */
mt2063_set_reg_mask(state, MT2063_REG_VGA_GAIN, 0x00, 0x03);
+ /* set PD2MUX = 0 */
+ mt2063_set_reg_mask(state, MT2063_REG_RSVD_20, 0x00, 0x40);
- /*
- ** Fetch the FCU osc value and use it and the fRef value to
- ** scale all of the Band Max values
- */
+ /* ac LNA max */
+ mt2063_set_reg_mask(state, MT2063_REG_LNA_OV, 0x1f, 0x1f);
+
+ /* ac RF max */
+ mt2063_set_reg_mask(state, MT2063_REG_RF_OV, 0x1f, 0x1f);
- state->reg[MT2063_REG_CTUNE_CTRL] = 0x0A;
- status = mt2063_write(state, MT2063_REG_CTUNE_CTRL,
- &state->reg[MT2063_REG_CTUNE_CTRL], 1);
- if (status < 0)
- return status;
-
- /* Read the ClearTune filter calibration value */
- status = mt2063_read(state, MT2063_REG_FIFFC,
- &state->reg[MT2063_REG_FIFFC], 1);
- if (status < 0)
- return status;
-
- fcu_osc = state->reg[MT2063_REG_FIFFC];
-
- state->reg[MT2063_REG_CTUNE_CTRL] = 0x00;
- status = mt2063_write(state, MT2063_REG_CTUNE_CTRL,
- &state->reg[MT2063_REG_CTUNE_CTRL], 1);
- if (status < 0)
- return status;
-
- /* Adjust each of the values in the ClearTune filter cross-over table
*/
- for (i = 0; i < 31; i++)
- state->CTFiltMax[i] = (state->CTFiltMax[i] / 768) * (fcu_osc +
640);
-
- status = MT2063_SoftwareShutdown(state, 1);
- if (status < 0)
- return status;
- status = MT2063_ClearPowerMaskBits(state, MT2063_ALL_SD);
- if (status < 0)
- return status;
-
- state->init = true;
+ /* first IF ATN */
+ if (state->tuner_id == MT2063_B0)
+ mt2063_set_reg_mask(state, MT2063_REG_FIF_OV, 5, 0x1f);
+ else
+ mt2063_set_reg_mask(state, MT2063_REG_FIF_OV, 29, 0x1f);
+
+ /* set ClearTune in auto mode */
+ mt2063_set_reg_mask(state, MT2063_REG_CTUNE_CTRL, 0x00, 0x08);
+
+ /* set Bypass in auto mode */
+ mt2063_set_reg_mask(state, MT2063_REG_BYP_CTRL, 0x00, 0x80);
+
+ /* close gate */
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
+ mutex_unlock(&state->lock);
return 0;
}
--
1.7.7.6
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