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Diffstat (limited to 'drivers/gpu/drm/panel/panel-novatek-nt35510.c')
-rw-r--r--drivers/gpu/drm/panel/panel-novatek-nt35510.c424
1 files changed, 367 insertions, 57 deletions
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35510.c b/drivers/gpu/drm/panel/panel-novatek-nt35510.c
index 83a9cf53d269..d3bfdfc9cff6 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt35510.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt35510.c
@@ -36,6 +36,9 @@
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>
+#define NT35510_CMD_CORRECT_GAMMA BIT(0)
+#define NT35510_CMD_CONTROL_DISPLAY BIT(1)
+
#define MCS_CMD_MAUCCTR 0xF0 /* Manufacturer command enable */
#define MCS_CMD_READ_ID1 0xDA
#define MCS_CMD_READ_ID2 0xDB
@@ -112,18 +115,33 @@
/* AVDD and AVEE setting 3 bytes */
#define NT35510_P1_AVDD_LEN 3
#define NT35510_P1_AVEE_LEN 3
+#define NT35510_P1_VCL_LEN 3
#define NT35510_P1_VGH_LEN 3
#define NT35510_P1_VGL_LEN 3
#define NT35510_P1_VGP_LEN 3
#define NT35510_P1_VGN_LEN 3
+#define NT35510_P1_VCMOFF_LEN 2
/* BT1CTR thru BT5CTR setting 3 bytes */
#define NT35510_P1_BT1CTR_LEN 3
#define NT35510_P1_BT2CTR_LEN 3
+#define NT35510_P1_BT3CTR_LEN 3
#define NT35510_P1_BT4CTR_LEN 3
#define NT35510_P1_BT5CTR_LEN 3
/* 52 gamma parameters times two per color: positive and negative */
#define NT35510_P1_GAMMA_LEN 52
+#define NT35510_WRCTRLD_BCTRL BIT(5)
+#define NT35510_WRCTRLD_A BIT(4)
+#define NT35510_WRCTRLD_DD BIT(3)
+#define NT35510_WRCTRLD_BL BIT(2)
+#define NT35510_WRCTRLD_DB BIT(1)
+#define NT35510_WRCTRLD_G BIT(0)
+
+#define NT35510_WRCABC_OFF 0
+#define NT35510_WRCABC_UI_MODE 1
+#define NT35510_WRCABC_STILL_MODE 2
+#define NT35510_WRCABC_MOVING_MODE 3
+
/**
* struct nt35510_config - the display-specific NT35510 configuration
*
@@ -172,6 +190,14 @@ struct nt35510_config {
*/
const struct drm_display_mode mode;
/**
+ * @mode_flags: DSI operation mode related flags
+ */
+ unsigned long mode_flags;
+ /**
+ * @cmds: enable DSI commands
+ */
+ u32 cmds;
+ /**
* @avdd: setting for AVDD ranging from 0x00 = 6.5V to 0x14 = 4.5V
* in 0.1V steps the default is 0x05 which means 6.0V
*/
@@ -221,6 +247,25 @@ struct nt35510_config {
*/
u8 bt2ctr[NT35510_P1_BT2CTR_LEN];
/**
+ * @vcl: setting for VCL ranging from 0x00 = -2.5V to 0x11 = -4.0V
+ * in 1V steps, the default is 0x00 which means -2.5V
+ */
+ u8 vcl[NT35510_P1_VCL_LEN];
+ /**
+ * @bt3ctr: setting for boost power control for the VCL step-up
+ * circuit (3)
+ * bits 0..2 in the lower nibble controls CLCK, the booster clock
+ * frequency, the values are the same as for PCK in @bt1ctr.
+ * bits 4..5 in the upper nibble controls BTCL, the boosting
+ * amplification for the step-up circuit.
+ * 0 = Disable
+ * 1 = -0.5 x VDDB
+ * 2 = -1 x VDDB
+ * 3 = -2 x VDDB
+ * The defaults are 4 and 2 yielding 0x24
+ */
+ u8 bt3ctr[NT35510_P1_BT3CTR_LEN];
+ /**
* @vgh: setting for VGH ranging from 0x00 = 7.0V to 0x0B = 18.0V
* in 1V steps, the default is 0x08 which means 15V
*/
@@ -274,6 +319,113 @@ struct nt35510_config {
*/
u8 vgn[NT35510_P1_VGN_LEN];
/**
+ * @vcmoff: setting the DC VCOM offset voltage
+ * The first byte contains bit 8 of VCM in bit 0 and VCMOFFSEL in bit 4.
+ * The second byte contains bits 0..7 of VCM.
+ * VCMOFFSEL the common voltage offset mode.
+ * VCMOFFSEL 0x00 = VCOM .. 0x01 Gamma.
+ * The default is 0x00.
+ * VCM the VCOM output voltage (VCMOFFSEL = 0) or the internal register
+ * offset for gamma voltage (VCMOFFSEL = 1).
+ * VCM 0x00 = 0V/0 .. 0x118 = 3.5V/280 in steps of 12.5mV/1step
+ * The default is 0x00 = 0V/0.
+ */
+ u8 vcmoff[NT35510_P1_VCMOFF_LEN];
+ /**
+ * @dopctr: setting optional control for display
+ * ERR bits 0..1 in the first byte is the ERR pin output signal setting.
+ * 0 = Disable, ERR pin output low
+ * 1 = ERR pin output CRC error only
+ * 2 = ERR pin output ECC error only
+ * 3 = ERR pin output CRC and ECC error
+ * The default is 0.
+ * N565 bit 2 in the first byte is the 16-bit/pixel format selection.
+ * 0 = R[4:0] + G[5:3] & G[2:0] + B[4:0]
+ * 1 = G[2:0] + R[4:0] & B[4:0] + G[5:3]
+ * The default is 0.
+ * DIS_EoTP_HS bit 3 in the first byte is "DSI protocol violation" error
+ * reporting.
+ * 0 = reporting when error
+ * 1 = not reporting when error
+ * DSIM bit 4 in the first byte is the video mode data type enable
+ * 0 = Video mode data type disable
+ * 1 = Video mode data type enable
+ * The default is 0.
+ * DSIG bit 5 int the first byte is the generic r/w data type enable
+ * 0 = Generic r/w disable
+ * 1 = Generic r/w enable
+ * The default is 0.
+ * DSITE bit 6 in the first byte is TE line enable
+ * 0 = TE line is disabled
+ * 1 = TE line is enabled
+ * The default is 0.
+ * RAMKP bit 7 in the first byte is the frame memory keep/loss in
+ * sleep-in mode
+ * 0 = contents loss in sleep-in
+ * 1 = contents keep in sleep-in
+ * The default is 0.
+ * CRL bit 1 in the second byte is the source driver data shift
+ * direction selection. This bit is XOR operation with bit RSMX
+ * of 3600h command.
+ * 0 (RMSX = 0) = S1 -> S1440
+ * 0 (RMSX = 1) = S1440 -> S1
+ * 1 (RMSX = 0) = S1440 -> S1
+ * 1 (RMSX = 1) = S1 -> S1440
+ * The default is 0.
+ * CTB bit 2 in the second byte is the vertical scanning direction
+ * selection for gate control signals. This bit is XOR operation
+ * with bit ML of 3600h command.
+ * 0 (ML = 0) = Forward (top -> bottom)
+ * 0 (ML = 1) = Reverse (bottom -> top)
+ * 1 (ML = 0) = Reverse (bottom -> top)
+ * 1 (ML = 1) = Forward (top -> bottom)
+ * The default is 0.
+ * CRGB bit 3 in the second byte is RGB-BGR order selection. This
+ * bit is XOR operation with bit RGB of 3600h command.
+ * 0 (RGB = 0) = RGB/Normal
+ * 0 (RGB = 1) = BGR/RB swap
+ * 1 (RGB = 0) = BGR/RB swap
+ * 1 (RGB = 1) = RGB/Normal
+ * The default is 0.
+ * TE_PWR_SEL bit 4 in the second byte is the TE output voltage
+ * level selection (only valid when DSTB_SEL = 0 or DSTB_SEL = 1,
+ * VSEL = High and VDDI = 1.665~3.3V).
+ * 0 = TE output voltage level is VDDI
+ * 1 = TE output voltage level is VDDA
+ * The default is 0.
+ */
+ u8 dopctr[NT35510_P0_DOPCTR_LEN];
+ /**
+ * @madctl: Memory data access control
+ * RSMY bit 0 is flip vertical. Flips the display image top to down.
+ * RSMX bit 1 is flip horizontal. Flips the display image left to right.
+ * MH bit 2 is the horizontal refresh order.
+ * RGB bit 3 is the RGB-BGR order.
+ * 0 = RGB color sequence
+ * 1 = BGR color sequence
+ * ML bit 4 is the vertical refresh order.
+ * MV bit 5 is the row/column exchange.
+ * MX bit 6 is the column address order.
+ * MY bit 7 is the row address order.
+ */
+ u8 madctl;
+ /**
+ * @sdhdtctr: source output data hold time
+ * 0x00..0x3F = 0..31.5us in steps of 0.5us
+ * The default is 0x05 = 2.5us.
+ */
+ u8 sdhdtctr;
+ /**
+ * @gseqctr: EQ control for gate signals
+ * GFEQ_XX[3:0]: time setting of EQ step for falling edge in steps
+ * of 0.5us.
+ * The default is 0x07 = 3.5us
+ * GREQ_XX[7:4]: time setting of EQ step for rising edge in steps
+ * of 0.5us.
+ * The default is 0x07 = 3.5us
+ */
+ u8 gseqctr[NT35510_P0_GSEQCTR_LEN];
+ /**
* @sdeqctr: Source driver control settings, first byte is
* 0 for mode 1 and 1 for mode 2. Mode 1 uses two steps and
* mode 2 uses three steps meaning EQS3 is not used in mode
@@ -343,6 +495,43 @@ struct nt35510_config {
* @gamma_corr_neg_b: Blue gamma correction parameters, negative
*/
u8 gamma_corr_neg_b[NT35510_P1_GAMMA_LEN];
+ /**
+ * @wrdisbv: write display brightness
+ * 0x00 value means the lowest brightness and 0xff value means
+ * the highest brightness.
+ * The default is 0x00.
+ */
+ u8 wrdisbv;
+ /**
+ * @wrctrld: write control display
+ * G bit 0 selects gamma curve: 0 = Manual, 1 = Automatic
+ * DB bit 1 selects display brightness: 0 = Manual, 1 = Automatic
+ * BL bit 2 controls backlight control: 0 = Off, 1 = On
+ * DD bit 3 controls display dimming: 0 = Off, 1 = On
+ * A bit 4 controls LABC block: 0 = Off, 1 = On
+ * BCTRL bit 5 controls brightness block: 0 = Off, 1 = On
+ */
+ u8 wrctrld;
+ /**
+ * @wrcabc: write content adaptive brightness control
+ * There is possible to use 4 different modes for content adaptive
+ * image functionality:
+ * 0: Off
+ * 1: User Interface Image (UI-Mode)
+ * 2: Still Picture Image (Still-Mode)
+ * 3: Moving Picture Image (Moving-Mode)
+ * The default is 0
+ */
+ u8 wrcabc;
+ /**
+ * @wrcabcmb: write CABC minimum brightness
+ * Set the minimum brightness value of the display for CABC
+ * function.
+ * 0x00 value means the lowest brightness for CABC and 0xff
+ * value means the highest brightness for CABC.
+ * The default is 0x00.
+ */
+ u8 wrcabcmb;
};
/**
@@ -486,6 +675,16 @@ static int nt35510_setup_power(struct nt35510 *nt)
nt->conf->bt2ctr);
if (ret)
return ret;
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVCL,
+ NT35510_P1_VCL_LEN,
+ nt->conf->vcl);
+ if (ret)
+ return ret;
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_BT3CTR,
+ NT35510_P1_BT3CTR_LEN,
+ nt->conf->bt3ctr);
+ if (ret)
+ return ret;
ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGH,
NT35510_P1_VGH_LEN,
nt->conf->vgh);
@@ -522,6 +721,12 @@ static int nt35510_setup_power(struct nt35510 *nt)
if (ret)
return ret;
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVCMOFF,
+ NT35510_P1_VCMOFF_LEN,
+ nt->conf->vcmoff);
+ if (ret)
+ return ret;
+
/* Typically 10 ms */
usleep_range(10000, 20000);
@@ -536,46 +741,28 @@ static int nt35510_setup_display(struct nt35510 *nt)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);
const struct nt35510_config *conf = nt->conf;
- u8 dopctr[NT35510_P0_DOPCTR_LEN];
- u8 gseqctr[NT35510_P0_GSEQCTR_LEN];
u8 dpfrctr[NT35510_P0_DPFRCTR1_LEN];
- /* FIXME: set up any rotation (assume none for now) */
- u8 addr_mode = NT35510_ROTATE_0_SETTING;
- u8 val;
int ret;
- /* Enable TE, EoTP and RGB pixel format */
- dopctr[0] = NT35510_DOPCTR_0_DSITE | NT35510_DOPCTR_0_EOTP |
- NT35510_DOPCTR_0_N565;
- dopctr[1] = NT35510_DOPCTR_1_CTB;
ret = nt35510_send_long(nt, dsi, NT35510_P0_DOPCTR,
NT35510_P0_DOPCTR_LEN,
- dopctr);
+ conf->dopctr);
if (ret)
return ret;
- ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_ADDRESS_MODE, &addr_mode,
- sizeof(addr_mode));
+ ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_ADDRESS_MODE, &conf->madctl,
+ sizeof(conf->madctl));
if (ret < 0)
return ret;
- /*
- * Source data hold time, default 0x05 = 2.5us
- * 0x00..0x3F = 0 .. 31.5us in steps of 0.5us
- * 0x0A = 5us
- */
- val = 0x0A;
- ret = mipi_dsi_dcs_write(dsi, NT35510_P0_SDHDTCTR, &val,
- sizeof(val));
+ ret = mipi_dsi_dcs_write(dsi, NT35510_P0_SDHDTCTR, &conf->sdhdtctr,
+ sizeof(conf->sdhdtctr));
if (ret < 0)
return ret;
- /* EQ control for gate signals, 0x00 = 0 us */
- gseqctr[0] = 0x00;
- gseqctr[1] = 0x00;
ret = nt35510_send_long(nt, dsi, NT35510_P0_GSEQCTR,
NT35510_P0_GSEQCTR_LEN,
- gseqctr);
+ conf->gseqctr);
if (ret)
return ret;
@@ -719,36 +906,38 @@ static int nt35510_power_on(struct nt35510 *nt)
if (ret)
return ret;
- ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_POS,
- NT35510_P1_GAMMA_LEN,
- nt->conf->gamma_corr_pos_r);
- if (ret)
- return ret;
- ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_POS,
- NT35510_P1_GAMMA_LEN,
- nt->conf->gamma_corr_pos_g);
- if (ret)
- return ret;
- ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_POS,
- NT35510_P1_GAMMA_LEN,
- nt->conf->gamma_corr_pos_b);
- if (ret)
- return ret;
- ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_NEG,
- NT35510_P1_GAMMA_LEN,
- nt->conf->gamma_corr_neg_r);
- if (ret)
- return ret;
- ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_NEG,
- NT35510_P1_GAMMA_LEN,
- nt->conf->gamma_corr_neg_g);
- if (ret)
- return ret;
- ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_NEG,
- NT35510_P1_GAMMA_LEN,
- nt->conf->gamma_corr_neg_b);
- if (ret)
- return ret;
+ if (nt->conf->cmds & NT35510_CMD_CORRECT_GAMMA) {
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_POS,
+ NT35510_P1_GAMMA_LEN,
+ nt->conf->gamma_corr_pos_r);
+ if (ret)
+ return ret;
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_POS,
+ NT35510_P1_GAMMA_LEN,
+ nt->conf->gamma_corr_pos_g);
+ if (ret)
+ return ret;
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_POS,
+ NT35510_P1_GAMMA_LEN,
+ nt->conf->gamma_corr_pos_b);
+ if (ret)
+ return ret;
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_NEG,
+ NT35510_P1_GAMMA_LEN,
+ nt->conf->gamma_corr_neg_r);
+ if (ret)
+ return ret;
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_NEG,
+ NT35510_P1_GAMMA_LEN,
+ nt->conf->gamma_corr_neg_g);
+ if (ret)
+ return ret;
+ ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_NEG,
+ NT35510_P1_GAMMA_LEN,
+ nt->conf->gamma_corr_neg_b);
+ if (ret)
+ return ret;
+ }
/* Set up stuff in manufacturer control, page 0 */
ret = nt35510_send_long(nt, dsi, MCS_CMD_MAUCCTR,
@@ -827,6 +1016,26 @@ static int nt35510_prepare(struct drm_panel *panel)
/* Up to 120 ms */
usleep_range(120000, 150000);
+ if (nt->conf->cmds & NT35510_CMD_CONTROL_DISPLAY) {
+ ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY,
+ &nt->conf->wrctrld,
+ sizeof(nt->conf->wrctrld));
+ if (ret < 0)
+ return ret;
+
+ ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_WRITE_POWER_SAVE,
+ &nt->conf->wrcabc,
+ sizeof(nt->conf->wrcabc));
+ if (ret < 0)
+ return ret;
+
+ ret = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS,
+ &nt->conf->wrcabcmb,
+ sizeof(nt->conf->wrcabcmb));
+ if (ret < 0)
+ return ret;
+ }
+
ret = mipi_dsi_dcs_set_display_on(dsi);
if (ret) {
dev_err(nt->dev, "failed to turn display on (%d)\n", ret);
@@ -896,7 +1105,6 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
*/
dsi->hs_rate = 349440000;
dsi->lp_rate = 9600000;
- dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
/*
* Every new incarnation of this display must have a unique
@@ -908,6 +1116,8 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
return -ENODEV;
}
+ dsi->mode_flags = nt->conf->mode_flags;
+
nt->supplies[0].supply = "vdd"; /* 2.3-4.8 V */
nt->supplies[1].supply = "vddi"; /* 1.65-3.3V */
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->supplies),
@@ -923,7 +1133,7 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
if (ret)
return ret;
- nt->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS);
+ nt->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(nt->reset_gpio)) {
dev_err(dev, "error getting RESET GPIO\n");
return PTR_ERR(nt->reset_gpio);
@@ -952,7 +1162,10 @@ static int nt35510_probe(struct mipi_dsi_device *dsi)
return PTR_ERR(bl);
}
bl->props.max_brightness = 255;
- bl->props.brightness = 255;
+ if (nt->conf->cmds & NT35510_CMD_CONTROL_DISPLAY)
+ bl->props.brightness = nt->conf->wrdisbv;
+ else
+ bl->props.brightness = 255;
bl->props.power = FB_BLANK_POWERDOWN;
nt->panel.backlight = bl;
}
@@ -1030,6 +1243,8 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
.vtotal = 800 + 2 + 0 + 5, /* VBP = 5 */
.flags = 0,
},
+ .mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS,
+ .cmds = NT35510_CMD_CORRECT_GAMMA,
/* 0x09: AVDD = 5.6V */
.avdd = { 0x09, 0x09, 0x09 },
/* 0x34: PCK = Hsync/2, BTP = 2 x VDDB */
@@ -1038,6 +1253,10 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
.avee = { 0x09, 0x09, 0x09 },
/* 0x24: NCK = Hsync/2, BTN = -2 x VDDB */
.bt2ctr = { 0x24, 0x24, 0x24 },
+ /* VBCLA: -2.5V, VBCLB: -2.5V, VBCLC: -2.5V */
+ .vcl = { 0x00, 0x00, 0x00 },
+ /* 0x24: CLCK = Hsync/2, BTN = -1 x VDDB */
+ .bt3ctr = { 0x24, 0x24, 0x24 },
/* 0x05 = 12V */
.vgh = { 0x05, 0x05, 0x05 },
/* 0x24: NCKA = Hsync/2, VGH = 2 x AVDD - AVEE */
@@ -1050,6 +1269,16 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
.vgp = { 0x00, 0xA3, 0x00 },
/* VGMP: 0x0A3 = 5.0375V, VGSP = 0V */
.vgn = { 0x00, 0xA3, 0x00 },
+ /* VCMOFFSEL = VCOM voltage offset mode, VCM = 0V */
+ .vcmoff = { 0x00, 0x00 },
+ /* Enable TE, EoTP and RGB pixel format */
+ .dopctr = { NT35510_DOPCTR_0_DSITE | NT35510_DOPCTR_0_EOTP |
+ NT35510_DOPCTR_0_N565, NT35510_DOPCTR_1_CTB },
+ .madctl = NT35510_ROTATE_0_SETTING,
+ /* 0x0A: SDT = 5 us */
+ .sdhdtctr = 0x0A,
+ /* EQ control for gate signals, 0x00 = 0 us */
+ .gseqctr = { 0x00, 0x00 },
/* SDEQCTR: source driver EQ mode 2, 2.5 us rise time on each step */
.sdeqctr = { 0x01, 0x05, 0x05, 0x05 },
/* SDVPCTR: Normal operation off color during v porch */
@@ -1073,8 +1302,89 @@ static const struct nt35510_config nt35510_hydis_hva40wv1 = {
.gamma_corr_neg_b = { NT35510_GAMMA_NEG_DEFAULT },
};
+static const struct nt35510_config nt35510_frida_frd400b25025 = {
+ .width_mm = 52,
+ .height_mm = 86,
+ .mode = {
+ .clock = 23000,
+ .hdisplay = 480,
+ .hsync_start = 480 + 34, /* HFP = 34 */
+ .hsync_end = 480 + 34 + 2, /* HSync = 2 */
+ .htotal = 480 + 34 + 2 + 34, /* HBP = 34 */
+ .vdisplay = 800,
+ .vsync_start = 800 + 15, /* VFP = 15 */
+ .vsync_end = 800 + 15 + 12, /* VSync = 12 */
+ .vtotal = 800 + 15 + 12 + 15, /* VBP = 15 */
+ .flags = 0,
+ },
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_LPM,
+ .cmds = NT35510_CMD_CONTROL_DISPLAY,
+ /* 0x03: AVDD = 6.2V */
+ .avdd = { 0x03, 0x03, 0x03 },
+ /* 0x46: PCK = 2 x Hsync, BTP = 2.5 x VDDB */
+ .bt1ctr = { 0x46, 0x46, 0x46 },
+ /* 0x03: AVEE = -6.2V */
+ .avee = { 0x03, 0x03, 0x03 },
+ /* 0x36: PCK = 2 x Hsync, BTP = 2 x VDDB */
+ .bt2ctr = { 0x36, 0x36, 0x36 },
+ /* VBCLA: -2.5V, VBCLB: -2.5V, VBCLC: -3.5V */
+ .vcl = { 0x00, 0x00, 0x02 },
+ /* 0x26: CLCK = 2 x Hsync, BTN = -1 x VDDB */
+ .bt3ctr = { 0x26, 0x26, 0x26 },
+ /* 0x09 = 16V */
+ .vgh = { 0x09, 0x09, 0x09 },
+ /* 0x36: HCK = 2 x Hsync, VGH = 2 x AVDD - AVEE */
+ .bt4ctr = { 0x36, 0x36, 0x36 },
+ /* 0x08 = -10V */
+ .vgl = { 0x08, 0x08, 0x08 },
+ /* 0x26: LCK = 2 x Hsync, VGL = AVDD + VCL - AVDD */
+ .bt5ctr = { 0x26, 0x26, 0x26 },
+ /* VGMP: 0x080 = 4.6V, VGSP = 0V */
+ .vgp = { 0x00, 0x80, 0x00 },
+ /* VGMP: 0x080 = 4.6V, VGSP = 0V */
+ .vgn = { 0x00, 0x80, 0x00 },
+ /* VCMOFFSEL = VCOM voltage offset mode, VCM = -1V */
+ .vcmoff = { 0x00, 0x50 },
+ .dopctr = { NT35510_DOPCTR_0_RAMKP | NT35510_DOPCTR_0_DSITE |
+ NT35510_DOPCTR_0_DSIG | NT35510_DOPCTR_0_DSIM |
+ NT35510_DOPCTR_0_EOTP | NT35510_DOPCTR_0_N565, 0 },
+ .madctl = NT35510_ROTATE_180_SETTING,
+ /* 0x03: SDT = 1.5 us */
+ .sdhdtctr = 0x03,
+ /* EQ control for gate signals, 0x00 = 0 us */
+ .gseqctr = { 0x00, 0x00 },
+ /* SDEQCTR: source driver EQ mode 2, 1 us rise time on each step */
+ .sdeqctr = { 0x01, 0x02, 0x02, 0x02 },
+ /* SDVPCTR: Normal operation off color during v porch */
+ .sdvpctr = 0x01,
+ /* T1: number of pixel clocks on one scanline: 0x184 = 389 clocks */
+ .t1 = 0x0184,
+ /* VBP: vertical back porch toward the panel */
+ .vbp = 0x1C,
+ /* VFP: vertical front porch toward the panel */
+ .vfp = 0x1C,
+ /* PSEL: divide pixel clock 23MHz with 1 (no clock downscaling) */
+ .psel = 0,
+ /* DPTMCTR12: 0x03: LVGL = VGLX, overlap mode, swap R->L O->E */
+ .dpmctr12 = { 0x03, 0x00, 0x00, },
+ /* write display brightness */
+ .wrdisbv = 0x7f,
+ /* write control display */
+ .wrctrld = NT35510_WRCTRLD_BCTRL | NT35510_WRCTRLD_DD |
+ NT35510_WRCTRLD_BL,
+ /* write content adaptive brightness control */
+ .wrcabc = NT35510_WRCABC_STILL_MODE,
+ /* write CABC minimum brightness */
+ .wrcabcmb = 0xff,
+};
+
static const struct of_device_id nt35510_of_match[] = {
{
+ .compatible = "frida,frd400b25025",
+ .data = &nt35510_frida_frd400b25025,
+ },
+ {
.compatible = "hydis,hva40wv1",
.data = &nt35510_hydis_hva40wv1,
},
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 03:24:57 +0000