/* sysfs store function for full scale current in ua*/
static ssize_t qpnp_wled_fs_curr_ua_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qpnp_wled *wled = dev_get_drvdata(dev);
int data, i, rc, temp;
u8 reg;
if (sscanf(buf, "%d", &data) != 1)
return -EINVAL;
for (i = 0; i < wled->num_strings; i++) {
if (data < QPNP_WLED_FS_CURR_MIN_UA)
data = QPNP_WLED_FS_CURR_MIN_UA;
else if (data > QPNP_WLED_FS_CURR_MAX_UA)
data = QPNP_WLED_FS_CURR_MAX_UA;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_FS_CURR_REG(wled->sink_base,
wled->strings[i]));
if (rc < 0)
return rc;
reg &= QPNP_WLED_FS_CURR_MASK;
temp = data / QPNP_WLED_FS_CURR_STEP_UA;
reg |= temp;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_FS_CURR_REG(wled->sink_base,
wled->strings[i]));
if (rc)
return rc;
}
wled->fs_curr_ua = data;
return count;
}
static int qpnp_wled_set_scale(struct qpnp_wled *wled)
{
u8 reg = 0;
int rc, curr;
wled->curr_scale = QPNP_WLED_CURR_SCALE_MAX;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_FS_CURR_REG(wled->sink_base,
wled->strings[0]));
if (rc)
return rc;
reg &= ~QPNP_WLED_FS_CURR_MASK;
curr = (reg * QPNP_WLED_FS_CURR_STEP_UA);
if (curr > wled->fs_curr_ua)
wled->curr_scale = (wled->fs_curr_ua *
QPNP_WLED_CURR_SCALE_MAX) / curr;
pr_debug("%s: curr=%d fs_curr_ua=%d curr_scale=%d\n", __func__,
curr, wled->fs_curr_ua, wled->curr_scale);
return 0;
}
/* Configure WLED registers */
static int qpnp_wled_config(struct qpnp_wled *wled)
{
int rc, i, temp;
u8 reg = 0;
/* Configure display type */
rc = qpnp_wled_set_disp(wled, wled->ctrl_base);
if (rc < 0)
return rc;
/* Configure the FEEDBACK OUTPUT register */
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_FDBK_OP_REG(wled->ctrl_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_FDBK_OP_MASK;
reg |= wled->fdbk_op;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_FDBK_OP_REG(wled->ctrl_base));
if (rc)
return rc;
/* Configure the VREF register */
if (wled->vref_mv < QPNP_WLED_VREF_MIN_MV)
wled->vref_mv = QPNP_WLED_VREF_MIN_MV;
else if (wled->vref_mv > QPNP_WLED_VREF_MAX_MV)
wled->vref_mv = QPNP_WLED_VREF_MAX_MV;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_VREF_REG(wled->ctrl_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_VREF_MASK;
temp = wled->vref_mv - QPNP_WLED_VREF_MIN_MV;
reg |= (temp / QPNP_WLED_VREF_STEP_MV);
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_VREF_REG(wled->ctrl_base));
if (rc)
return rc;
/* Configure the ILIM register */
if (wled->ilim_ma < QPNP_WLED_ILIM_MIN_MA)
wled->ilim_ma = QPNP_WLED_ILIM_MIN_MA;
else if (wled->ilim_ma > QPNP_WLED_ILIM_MAX_MA)
wled->ilim_ma = QPNP_WLED_ILIM_MAX_MA;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_ILIM_REG(wled->ctrl_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_ILIM_MASK;
reg |= (wled->ilim_ma / QPNP_WLED_ILIM_STEP_MA);
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_ILIM_REG(wled->ctrl_base));
if (rc)
return rc;
/* Configure the MAX BOOST DUTY register */
if (wled->boost_duty_ns < QPNP_WLED_BOOST_DUTY_MIN_NS)
wled->boost_duty_ns = QPNP_WLED_BOOST_DUTY_MIN_NS;
else if (wled->boost_duty_ns > QPNP_WLED_BOOST_DUTY_MAX_NS)
wled->boost_duty_ns = QPNP_WLED_BOOST_DUTY_MAX_NS;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_BOOST_DUTY_REG(wled->ctrl_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_BOOST_DUTY_MASK;
reg |= (wled->boost_duty_ns / QPNP_WLED_BOOST_DUTY_STEP_NS);
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_BOOST_DUTY_REG(wled->ctrl_base));
if (rc)
return rc;
/* Configure the SWITCHING FREQ register */
if (wled->switch_freq_khz == QPNP_WLED_SWITCH_FREQ_1600_KHZ)
temp = QPNP_WLED_SWITCH_FREQ_1600_KHZ_CODE;
else
temp = QPNP_WLED_SWITCH_FREQ_800_KHZ_CODE;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_SWITCH_FREQ_REG(wled->ctrl_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_SWITCH_FREQ_MASK;
reg |= temp;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_SWITCH_FREQ_REG(wled->ctrl_base));
if (rc)
return rc;
/* Configure the OVP register */
if (wled->ovp_mv <= QPNP_WLED_OVP_17800_MV) {
wled->ovp_mv = QPNP_WLED_OVP_17800_MV;
temp = 3;
} else if (wled->ovp_mv <= QPNP_WLED_OVP_19400_MV) {
wled->ovp_mv = QPNP_WLED_OVP_19400_MV;
temp = 2;
} else if (wled->ovp_mv <= QPNP_WLED_OVP_29500_MV) {
wled->ovp_mv = QPNP_WLED_OVP_29500_MV;
temp = 1;
} else {
wled->ovp_mv = QPNP_WLED_OVP_31000_MV;
temp = 0;
}
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_OVP_REG(wled->ctrl_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_OVP_MASK;
reg |= temp;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_OVP_REG(wled->ctrl_base));
if (rc)
return rc;
/* Configure the MODULATION register */
if (wled->mod_freq_khz <= QPNP_WLED_MOD_FREQ_1200_KHZ) {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_1200_KHZ;
temp = 3;
} else if (wled->mod_freq_khz <= QPNP_WLED_MOD_FREQ_2400_KHZ) {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_2400_KHZ;
temp = 2;
} else if (wled->mod_freq_khz <= QPNP_WLED_MOD_FREQ_9600_KHZ) {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_9600_KHZ;
temp = 1;
} else if (wled->mod_freq_khz <= QPNP_WLED_MOD_FREQ_19200_KHZ) {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_19200_KHZ;
temp = 0;
} else {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_9600_KHZ;
temp = 1;
}
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_MOD_REG(wled->sink_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_MOD_FREQ_MASK;
reg |= (temp << QPNP_WLED_MOD_FREQ_SHIFT);
reg &= QPNP_WLED_PHASE_STAG_MASK;
reg |= (wled->en_phase_stag << QPNP_WLED_PHASE_STAG_SHIFT);
reg &= QPNP_WLED_ACC_CLK_FREQ_MASK;
reg |= (temp << QPNP_WLED_ACC_CLK_FREQ_SHIFT);
reg &= QPNP_WLED_DIM_RES_MASK;
reg |= (wled->en_9b_dim_res << QPNP_WLED_DIM_RES_SHIFT);
if (wled->dim_mode == QPNP_WLED_DIM_HYBRID) {
reg &= QPNP_WLED_DIM_HYB_MASK;
reg |= (1 << QPNP_WLED_DIM_HYB_SHIFT);
} else {
reg &= QPNP_WLED_DIM_HYB_MASK;
reg |= (0 << QPNP_WLED_DIM_HYB_SHIFT);
reg &= QPNP_WLED_DIM_ANA_MASK;
reg |= wled->dim_mode;
}
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_MOD_REG(wled->sink_base));
if (rc)
return rc;
/* Configure the HYBRID THRESHOLD register */
if (wled->hyb_thres < QPNP_WLED_HYB_THRES_MIN)
wled->hyb_thres = QPNP_WLED_HYB_THRES_MIN;
else if (wled->hyb_thres > QPNP_WLED_HYB_THRES_MAX)
wled->hyb_thres = QPNP_WLED_HYB_THRES_MAX;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_HYB_THRES_REG(wled->sink_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_HYB_THRES_MASK;
temp = fls(wled->hyb_thres / QPNP_WLED_HYB_THRES_MIN) - 1;
reg |= temp;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_HYB_THRES_REG(wled->sink_base));
if (rc)
return rc;
/* Configure TEST5 register */
if (wled->dim_mode == QPNP_WLED_DIM_DIGITAL)
reg = QPNP_WLED_SINK_TEST5_DIG;
else
reg = QPNP_WLED_SINK_TEST5_HYB;
rc = qpnp_wled_sec_access(wled, wled->sink_base);
if (rc)
return rc;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_SINK_TEST5_REG(wled->sink_base));
if (rc)
return rc;
/* disable all current sinks and enable selected strings */
reg = 0x00;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_CURR_SINK_REG(wled->sink_base));
for (i = 0; i < wled->num_strings; i++) {
if (wled->strings[i] >= QPNP_WLED_MAX_STRINGS) {
dev_err(&wled->spmi->dev, "Invalid string number\n");
return -EINVAL;
}
/* MODULATOR */
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_MOD_EN_REG(wled->sink_base,
wled->strings[i]));
if (rc < 0)
return rc;
reg &= QPNP_WLED_MOD_EN_MASK;
reg |= (QPNP_WLED_MOD_EN << QPNP_WLED_MOD_EN_SHFT);
if (wled->dim_mode == QPNP_WLED_DIM_HYBRID)
reg &= QPNP_WLED_GATE_DRV_MASK;
else
reg |= ~QPNP_WLED_GATE_DRV_MASK;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_MOD_EN_REG(wled->sink_base,
wled->strings[i]));
if (rc)
return rc;
/* SYNC DELAY */
if (wled->sync_dly_us < QPNP_WLED_SYNC_DLY_MIN_US)
wled->sync_dly_us = QPNP_WLED_SYNC_DLY_MIN_US;
else if (wled->sync_dly_us > QPNP_WLED_SYNC_DLY_MAX_US)
wled->sync_dly_us = QPNP_WLED_SYNC_DLY_MAX_US;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_SYNC_DLY_REG(wled->sink_base,
wled->strings[i]));
if (rc < 0)
return rc;
reg &= QPNP_WLED_SYNC_DLY_MASK;
temp = wled->sync_dly_us / QPNP_WLED_SYNC_DLY_STEP_US;
reg |= temp;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_SYNC_DLY_REG(wled->sink_base,
wled->strings[i]));
if (rc)
return rc;
/* FULL SCALE CURRENT */
if (wled->fs_curr_ua < QPNP_WLED_FS_CURR_MIN_UA)
wled->fs_curr_ua = QPNP_WLED_FS_CURR_MIN_UA;
else if (wled->fs_curr_ua > QPNP_WLED_FS_CURR_MAX_UA)
wled->fs_curr_ua = QPNP_WLED_FS_CURR_MAX_UA;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_FS_CURR_REG(wled->sink_base,
wled->strings[i]));
if (rc < 0)
return rc;
reg &= QPNP_WLED_FS_CURR_MASK;
temp = wled->fs_curr_ua / QPNP_WLED_FS_CURR_STEP_UA;
reg |= temp;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_FS_CURR_REG(wled->sink_base,
wled->strings[i]));
if (rc)
return rc;
/* CABC */
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_CABC_REG(wled->sink_base,
wled->strings[i]));
if (rc < 0)
return rc;
reg &= QPNP_WLED_CABC_MASK;
reg |= (wled->en_cabc << QPNP_WLED_CABC_SHIFT);
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_CABC_REG(wled->sink_base,
wled->strings[i]));
if (rc)
return rc;
/* Enable CURRENT SINK */
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_CURR_SINK_REG(wled->sink_base));
if (rc < 0)
return rc;
temp = wled->strings[i] + QPNP_WLED_CURR_SINK_SHIFT;
reg |= (1 << temp);
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_CURR_SINK_REG(wled->sink_base));
if (rc)
return rc;
}
/* LAB fast precharge */
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_LAB_FAST_PC_REG(wled->lab_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_LAB_FAST_PC_MASK;
reg |= (wled->lab_fast_precharge << QPNP_WLED_LAB_FAST_PC_SHIFT);
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_LAB_FAST_PC_REG(wled->lab_base));
if (rc)
return rc;
/* Configure lab display type */
rc = qpnp_wled_set_disp(wled, wled->lab_base);
if (rc < 0)
return rc;
/* make LAB module ready */
rc = qpnp_wled_mod_rdy(wled, wled->lab_base, true);
if (rc < 0)
return rc;
/* IBB active bias */
if (wled->ibb_pwrup_dly_ms < QPNP_WLED_IBB_PWRUP_DLY_MIN_MS)
wled->ibb_pwrup_dly_ms = QPNP_WLED_IBB_PWRUP_DLY_MIN_MS;
else if (wled->ibb_pwrup_dly_ms > QPNP_WLED_IBB_PWRUP_DLY_MAX_MS)
wled->ibb_pwrup_dly_ms = QPNP_WLED_IBB_PWRUP_DLY_MAX_MS;
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_IBB_BIAS_REG(wled->ibb_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_IBB_BIAS_MASK;
reg |= (!wled->ibb_bias_active << QPNP_WLED_IBB_BIAS_SHIFT);
temp = fls(wled->ibb_pwrup_dly_ms) - 1;
reg &= QPNP_WLED_IBB_PWRUP_DLY_MASK;
reg |= (temp << QPNP_WLED_IBB_PWRUP_DLY_SHIFT);
rc = qpnp_wled_sec_access(wled, wled->ibb_base);
if (rc)
return rc;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_IBB_BIAS_REG(wled->ibb_base));
if (rc)
return rc;
/* Configure ibb display type */
rc = qpnp_wled_set_disp(wled, wled->ibb_base);
if (rc < 0)
return rc;
/* make IBB module ready */
rc = qpnp_wled_mod_rdy(wled, wled->ibb_base, true);
if (rc < 0)
return rc;
/* setup ovp and sc irqs */
if (wled->ovp_irq >= 0) {
rc = devm_request_threaded_irq(&wled->spmi->dev, wled->ovp_irq,
NULL, qpnp_wled_ovp_irq,
QPNP_IRQ_FLAGS,
"qpnp_wled_ovp_irq", wled);
if (rc < 0) {
dev_err(&wled->spmi->dev,
"Unable to request ovp(%d) IRQ(err:%d)\n",
wled->ovp_irq, rc);
return rc;
}
}
if (wled->sc_irq >= 0) {
wled->sc_cnt = 0;
rc = devm_request_threaded_irq(&wled->spmi->dev, wled->sc_irq,
NULL, qpnp_wled_sc_irq,
QPNP_IRQ_FLAGS,
"qpnp_wled_sc_irq", wled);
if (rc < 0) {
dev_err(&wled->spmi->dev,
"Unable to request sc(%d) IRQ(err:%d)\n",
wled->sc_irq, rc);
return rc;
}
rc = qpnp_wled_read_reg(wled, ®,
QPNP_WLED_SC_PRO_REG(wled->ctrl_base));
if (rc < 0)
return rc;
reg &= QPNP_WLED_EN_SC_MASK;
reg |= 1 << QPNP_WLED_EN_SC_SHIFT;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_SC_PRO_REG(wled->ctrl_base));
if (rc)
return rc;
if (wled->en_ext_pfet_sc_pro) {
rc = qpnp_wled_sec_access(wled, wled->ctrl_base);
if (rc)
return rc;
reg = QPNP_WLED_EXT_FET_DTEST2;
rc = qpnp_wled_write_reg(wled, ®,
QPNP_WLED_TEST_REG(wled->ctrl_base));
if (rc)
return rc;
}
}
return 0;
}
/* Configure WLED registers */
static int qpnp_wled_config(struct qpnp_wled *wled)
{
int rc, i, temp;
uint8_t reg = 0;
/* Configure display type */
rc = qpnp_wled_set_display_type(wled, wled->ctrl_base);
if (rc < 0)
return rc;
/* Recommended WLED MDOS settings for AMOLED */
if (wled->disp_type_amoled) {
pm8x41_wled_reg_write(QPNP_WLED_VLOOP_COMP_RES(wled->ctrl_base),
0x8F);
pm8x41_wled_reg_write(QPNP_WLED_VLOOP_COMP_GM(wled->ctrl_base),
0x81);
pm8x41_wled_reg_write(QPNP_WLED_PSM_CTRL(wled->ctrl_base),
0x83);
rc = qpnp_wled_sec_access(wled, wled->ctrl_base);
if (rc)
return rc;
pm8x41_wled_reg_write(QPNP_WLED_TEST4(wled->ctrl_base), 0x13);
}
/* Configure the FEEDBACK OUTPUT register */
reg = pm8x41_wled_reg_read(
QPNP_WLED_FDBK_OP_REG(wled->ctrl_base));
reg &= QPNP_WLED_FDBK_OP_MASK;
reg |= wled->fdbk_op;
pm8x41_wled_reg_write(QPNP_WLED_FDBK_OP_REG(wled->ctrl_base), reg);
/* Configure the VREF register */
if (wled->vref_mv < QPNP_WLED_VREF_MIN_MV)
wled->vref_mv = QPNP_WLED_VREF_MIN_MV;
else if (wled->vref_mv > QPNP_WLED_VREF_MAX_MV)
wled->vref_mv = QPNP_WLED_VREF_MAX_MV;
reg = pm8x41_wled_reg_read(
QPNP_WLED_VREF_REG(wled->ctrl_base));
reg &= QPNP_WLED_VREF_MASK;
temp = wled->vref_mv - QPNP_WLED_VREF_MIN_MV;
reg |= (temp / QPNP_WLED_VREF_STEP_MV);
pm8x41_wled_reg_write(QPNP_WLED_VREF_REG(wled->ctrl_base), reg);
/* Configure the ILIM register */
if (wled->ilim_ma < QPNP_WLED_ILIM_MIN_MA)
wled->ilim_ma = QPNP_WLED_ILIM_MIN_MA;
else if (wled->ilim_ma > QPNP_WLED_ILIM_MAX_MA)
wled->ilim_ma = QPNP_WLED_ILIM_MAX_MA;
reg = pm8x41_wled_reg_read(
QPNP_WLED_ILIM_REG(wled->ctrl_base));
temp = (wled->ilim_ma / QPNP_WLED_ILIM_STEP_MA);
if (temp != (reg & ~QPNP_WLED_ILIM_MASK)) {
reg &= QPNP_WLED_ILIM_MASK;
reg |= temp;
reg |= QPNP_WLED_ILIM_OVERWRITE;
pm8x41_wled_reg_write(QPNP_WLED_ILIM_REG(wled->ctrl_base), reg);
}
/* Configure the MAX BOOST DUTY register */
if (wled->boost_duty_ns < QPNP_WLED_BOOST_DUTY_MIN_NS)
wled->boost_duty_ns = QPNP_WLED_BOOST_DUTY_MIN_NS;
else if (wled->boost_duty_ns > QPNP_WLED_BOOST_DUTY_MAX_NS)
wled->boost_duty_ns = QPNP_WLED_BOOST_DUTY_MAX_NS;
reg = pm8x41_wled_reg_read(
QPNP_WLED_BOOST_DUTY_REG(wled->ctrl_base));
reg &= QPNP_WLED_BOOST_DUTY_MASK;
reg |= (wled->boost_duty_ns / QPNP_WLED_BOOST_DUTY_STEP_NS);
pm8x41_wled_reg_write(QPNP_WLED_BOOST_DUTY_REG(wled->ctrl_base), reg);
/* Configure the SWITCHING FREQ register */
if (wled->switch_freq_khz == QPNP_WLED_SWITCH_FREQ_1600_KHZ)
temp = QPNP_WLED_SWITCH_FREQ_1600_KHZ_CODE;
else
temp = QPNP_WLED_SWITCH_FREQ_800_KHZ_CODE;
reg = pm8x41_wled_reg_read(
QPNP_WLED_SWITCH_FREQ_REG(wled->ctrl_base));
reg &= QPNP_WLED_SWITCH_FREQ_MASK;
reg |= temp;
pm8x41_wled_reg_write(QPNP_WLED_SWITCH_FREQ_REG(wled->ctrl_base), reg);
/* Configure the OVP register */
if (wled->ovp_mv <= QPNP_WLED_OVP_17800_MV) {
wled->ovp_mv = QPNP_WLED_OVP_17800_MV;
temp = 3;
} else if (wled->ovp_mv <= QPNP_WLED_OVP_19400_MV) {
wled->ovp_mv = QPNP_WLED_OVP_19400_MV;
temp = 2;
} else if (wled->ovp_mv <= QPNP_WLED_OVP_29500_MV) {
wled->ovp_mv = QPNP_WLED_OVP_29500_MV;
temp = 1;
} else {
wled->ovp_mv = QPNP_WLED_OVP_31000_MV;
temp = 0;
}
reg = pm8x41_wled_reg_read(
QPNP_WLED_OVP_REG(wled->ctrl_base));
reg &= QPNP_WLED_OVP_MASK;
reg |= temp;
pm8x41_wled_reg_write(QPNP_WLED_OVP_REG(wled->ctrl_base), reg);
/* Configure the MODULATION register */
if (wled->mod_freq_khz <= QPNP_WLED_MOD_FREQ_1200_KHZ) {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_1200_KHZ;
temp = 3;
} else if (wled->mod_freq_khz <= QPNP_WLED_MOD_FREQ_2400_KHZ) {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_2400_KHZ;
temp = 2;
} else if (wled->mod_freq_khz <= QPNP_WLED_MOD_FREQ_9600_KHZ) {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_9600_KHZ;
temp = 1;
} else {
wled->mod_freq_khz = QPNP_WLED_MOD_FREQ_19200_KHZ;
temp = 0;
}
reg = pm8x41_wled_reg_read(QPNP_WLED_MOD_REG(wled->sink_base));
reg &= QPNP_WLED_MOD_FREQ_MASK;
reg |= (temp << QPNP_WLED_MOD_FREQ_SHIFT);
reg &= QPNP_WLED_PHASE_STAG_MASK;
reg |= (wled->en_phase_stag << QPNP_WLED_PHASE_STAG_SHIFT);
reg &= QPNP_WLED_DIM_RES_MASK;
reg |= (wled->en_9b_dim_res << QPNP_WLED_DIM_RES_SHIFT);
if (wled->dim_mode == QPNP_WLED_DIM_HYBRID) {
reg &= QPNP_WLED_DIM_HYB_MASK;
reg |= (1 << QPNP_WLED_DIM_HYB_SHIFT);
} else {
reg &= QPNP_WLED_DIM_HYB_MASK;
reg |= (0 << QPNP_WLED_DIM_HYB_SHIFT);
reg &= QPNP_WLED_DIM_ANA_MASK;
reg |= wled->dim_mode;
}
pm8x41_wled_reg_write(QPNP_WLED_MOD_REG(wled->sink_base), reg);
/* Configure the HYBRID THRESHOLD register */
if (wled->hyb_thres < QPNP_WLED_HYB_THRES_MIN)
wled->hyb_thres = QPNP_WLED_HYB_THRES_MIN;
else if (wled->hyb_thres > QPNP_WLED_HYB_THRES_MAX)
wled->hyb_thres = QPNP_WLED_HYB_THRES_MAX;
reg = pm8x41_wled_reg_read(
QPNP_WLED_HYB_THRES_REG(wled->sink_base));
reg &= QPNP_WLED_HYB_THRES_MASK;
temp = fls(wled->hyb_thres / QPNP_WLED_HYB_THRES_MIN) - 1;
reg |= temp;
pm8x41_wled_reg_write(QPNP_WLED_HYB_THRES_REG(wled->sink_base), reg);
for (i = 0; i < wled->num_strings; i++) {
if (wled->strings[i] >= QPNP_WLED_MAX_STRINGS) {
dprintf(CRITICAL,"Invalid string number\n");
return ERR_NOT_VALID;
}
/* MODULATOR */
reg = pm8x41_wled_reg_read(
QPNP_WLED_MOD_EN_REG(wled->sink_base,
wled->strings[i]));
reg &= QPNP_WLED_MOD_EN_MASK;
reg |= (QPNP_WLED_MOD_EN << QPNP_WLED_MOD_EN_SHFT);
pm8x41_wled_reg_write(QPNP_WLED_MOD_EN_REG(wled->sink_base,
wled->strings[i]), reg);
/* SYNC DELAY */
if (wled->sync_dly_us > QPNP_WLED_SYNC_DLY_MAX_US)
wled->sync_dly_us = QPNP_WLED_SYNC_DLY_MAX_US;
reg = pm8x41_wled_reg_read(
QPNP_WLED_SYNC_DLY_REG(wled->sink_base,
wled->strings[i]));
reg &= QPNP_WLED_SYNC_DLY_MASK;
temp = wled->sync_dly_us / QPNP_WLED_SYNC_DLY_STEP_US;
reg |= temp;
pm8x41_wled_reg_write(QPNP_WLED_SYNC_DLY_REG(wled->sink_base,
wled->strings[i]), reg);
/* FULL SCALE CURRENT */
if (wled->fs_curr_ua > QPNP_WLED_FS_CURR_MAX_UA)
wled->fs_curr_ua = QPNP_WLED_FS_CURR_MAX_UA;
reg = pm8x41_wled_reg_read(
QPNP_WLED_FS_CURR_REG(wled->sink_base,
wled->strings[i]));
reg &= QPNP_WLED_FS_CURR_MASK;
temp = wled->fs_curr_ua / QPNP_WLED_FS_CURR_STEP_UA;
reg |= temp;
pm8x41_wled_reg_write(QPNP_WLED_FS_CURR_REG(wled->sink_base,
wled->strings[i]), reg);
/* CABC */
reg = pm8x41_wled_reg_read(
QPNP_WLED_CABC_REG(wled->sink_base,
wled->strings[i]));
reg &= QPNP_WLED_CABC_MASK;
reg |= (wled->en_cabc << QPNP_WLED_CABC_SHIFT);
pm8x41_wled_reg_write(QPNP_WLED_CABC_REG(wled->sink_base,
wled->strings[i]), reg);
/* Enable CURRENT SINK */
reg = pm8x41_wled_reg_read(
QPNP_WLED_CURR_SINK_REG(wled->sink_base));
temp = wled->strings[i] + QPNP_WLED_CURR_SINK_SHIFT;
reg |= (1 << temp);
pm8x41_wled_reg_write(QPNP_WLED_CURR_SINK_REG(wled->sink_base), reg);
}
/* LAB fast precharge */
reg = pm8x41_wled_reg_read(
QPNP_WLED_LAB_FAST_PC_REG(wled->lab_base));
reg &= QPNP_WLED_LAB_FAST_PC_MASK;
reg |= (wled->lab_fast_precharge << QPNP_WLED_LAB_FAST_PC_SHIFT);
pm8x41_wled_reg_write(QPNP_WLED_LAB_FAST_PC_REG(wled->lab_base), reg);
/* Configure lab display type */
rc = qpnp_wled_set_display_type(wled, wled->lab_base);
if (rc < 0)
return rc;
/* make LAB module ready */
rc = qpnp_wled_module_ready(wled, wled->lab_base, true);
if (rc < 0)
return rc;
/* Disable LAB pulse skipping for AMOLED */
if (wled->disp_type_amoled)
pm8x41_wled_reg_write(wled->lab_base +
QPNP_LABIBB_PS_CTL, 0x00);
/* IBB active bias */
if (wled->ibb_pwrup_dly_ms > QPNP_WLED_IBB_PWRUP_DLY_MAX_MS)
wled->ibb_pwrup_dly_ms = QPNP_WLED_IBB_PWRUP_DLY_MAX_MS;
if (wled->ibb_pwrdn_dly_ms > QPNP_WLED_IBB_PWRDN_DLY_MAX_MS)
wled->ibb_pwrdn_dly_ms = QPNP_WLED_IBB_PWRDN_DLY_MAX_MS;
reg = pm8x41_wled_reg_read(
QPNP_WLED_IBB_BIAS_REG(wled->ibb_base));
reg &= QPNP_WLED_IBB_BIAS_MASK;
reg |= (!wled->ibb_bias_active << QPNP_WLED_IBB_BIAS_SHIFT);
temp = wled->ibb_pwrup_dly_ms;
reg &= QPNP_WLED_IBB_PWRUP_DLY_MASK;
reg |= (temp << QPNP_WLED_IBB_PWRUP_DLY_SHIFT);
/* Power down delay bits could already be set, clear them before
* or'ing new values
*/
reg &= ~(PWRDN_DLY2_MASK);
reg |= wled->ibb_pwrdn_dly_ms;
reg |= (wled->ibb_discharge_en << 2);
rc = qpnp_wled_sec_access(wled, wled->ibb_base);
if (rc)
return rc;
pm8x41_wled_reg_write(QPNP_WLED_IBB_BIAS_REG(wled->ibb_base), reg);
/* Configure ibb display type */
rc = qpnp_wled_set_display_type(wled, wled->ibb_base);
if (rc < 0)
return rc;
/* make IBB module ready */
rc = qpnp_wled_module_ready(wled, wled->ibb_base, true);
if (rc < 0)
return rc;
rc = qpnp_labibb_regulator_set_voltage(wled);
if (rc < 0)
return rc;
return 0;
}
