111 lines
4.0 KiB
C
111 lines
4.0 KiB
C
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#ifndef SSD1783_H_
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#define SSD1783_H_
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#include <nuttx/lcd/lcd.h>
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#define FB_COLOR_TO_R(v) (((v)>>16) & 0xff)
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#define FB_COLOR_TO_G(v) (((v)>> 8) & 0xff)
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#define FB_COLOR_TO_B(v) ( (v) & 0xff)
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#define SSD1783_UWIRE_BITLEN 9
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#define SSD1783_DEV_ID 0
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#define ARMIO_LATCH_OUT 0xfffe4802
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#define IO_CNTL_REG 0xfffe4804
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#define ASIC_CONF_REG 0xfffef008
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#define ASCONF_PWL_ENA (1 << 4)
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/* begin backlight.c */
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#define BASE_ADDR_PWL 0xfffe8000
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#define PWL_REG(m) (BASE_ADDR_PWL + (m))
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enum pwl_reg {
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PWL_LEVEL = 0,
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PWL_CTRL = 1,
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};
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enum ssd1783_cmdflag { CMD, DATA, END };
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struct ssd1783_cmdlist {
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enum ssd1783_cmdflag is_cmd:8; /* 1: is a command, 0: is data, 2: end marker! */
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uint8_t data; /* 8 bit to send to LC display */
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} __attribute__((packed));
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static const struct ssd1783_cmdlist nop[] = {
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{ CMD, 0x25 }, // NOP command
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{ END, 0x00 }
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};
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static const struct ssd1783_cmdlist
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ssd1783_initdata[] = {
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{ CMD, 0xD1 }, /* CMD set internal oscillator on */
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{ CMD, 0x94 }, /* CMD leave sleep mode */
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{ CMD, 0xbb }, /* CMD Set COM Output Scan Direction: */
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{ DATA, 0x01 }, /* DATA: 01: COM0-79, then COM159-80 */
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/* -------- DIFFERENT FROM ORIGINAL CODE: -------------- */
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/* we use 8bit per pixel packed RGB 332 */
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{ CMD, 0xbc }, /* CMD Set Data Output Scan Direction */
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{ DATA, 0x00 }, /* DATA: column scan, normal rotation, normal display */
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{ DATA, 0x00 }, /* DATA: RGB color arrangement R G B R G B ... */
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/*-->*/ { DATA, 0x01 }, /* DATA: 8 bit per pixel mode MSB <RRRGGGBB> LSB */
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/* --------- /DIFFERENT ---------- */
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{ CMD, 0xce }, /* CMD Set 256 Color Look Up Table LUT */
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{ DATA, 0x00 }, /* DATA red 000 */
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{ DATA, 0x03 }, /* DATA red 001 */
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{ DATA, 0x05 }, /* DATA red 010 */
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{ DATA, 0x07 }, /* DATA red 011 */
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{ DATA, 0x09 }, /* DATA red 100 */
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{ DATA, 0x0b }, /* DATA red 101 */
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{ DATA, 0x0d }, /* DATA red 110 */
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{ DATA, 0x0f }, /* DATA red 111 */
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{ DATA, 0x00 }, /* DATA green 000 */
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{ DATA, 0x03 }, /* DATA green 001 */
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{ DATA, 0x05 }, /* DATA green 010 */
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{ DATA, 0x07 }, /* DATA green 011 */
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{ DATA, 0x09 }, /* DATA green 100 */
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{ DATA, 0x0b }, /* DATA green 101 */
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{ DATA, 0x0d }, /* DATA green 110 */
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{ DATA, 0x0f }, /* DATA green 111 */
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{ DATA, 0x00 }, /* DATA blue 00 */
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{ DATA, 0x05 }, /* DATA blue 01 */
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{ DATA, 0x0a }, /* DATA blue 10 */
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{ DATA, 0x0f }, /* DATA blue 11 */
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{ CMD, 0xca }, /* CMD Set Display Control - Driver Duty Selection */
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{ DATA, 0xff }, // can't find description of the values in the original
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{ DATA, 0x10 }, // display/ssd1783.c in my datasheet :-(
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{ DATA, 0x01 }, //
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{ CMD, 0xab }, /* CMD Set Scroll Start */
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{ DATA, 0x00 }, /* DATA: Starting address at block 0 */
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{ CMD, 0x20 }, /* CMD Set power control register */
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{ DATA, 0x0b }, /* DATA: booster 6x, reference gen. & int regulator */
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{ CMD, 0x81 }, /* CMD Contrast Lvl & Int. Regul. Resistor Ratio */
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{ DATA, 0x29 }, /* DATA: contrast = 0x29 */
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{ DATA, 0x05 }, /* DATA: 0x05 = 0b101 -> 1+R2/R1 = 11.37 */
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{ CMD, 0xa7 }, /* CMD Invert Display */
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{ CMD, 0x82 }, /* CMD Set Temperature Compensation Coefficient */
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{ DATA, 0x00 }, /* DATA: Gradient is -0.10 % / degC */
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{ CMD, 0xfb }, /* CMD Set Biasing Ratio */
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{ DATA, 0x03 }, /* DATA: 1/10 bias */
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{ CMD, 0xf2 }, /* CMD Set Frame Frequency and N-line inversion */
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{ DATA, 0x08 }, /* DATA: 75 Hz (POR) */
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{ DATA, 0x06 }, /* DATA: n-line inversion: 6 lines */
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{ CMD, 0xf7 }, /* CMD Select PWM/FRC Select Full Col./8col mode */
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{ DATA, 0x28 }, /* DATA: always 0x28 */
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{ DATA, 0x8c }, /* DATA: 4bit PWM + 2 bit FRC */
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{ DATA, 0x05 }, /* DATA: full color mode */
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{ CMD, 0xaf }, /* CMD Display On */
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{ END, 0x00 }, /* MARKER: end of list */
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};
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struct ssd1783_dev_s
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{
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/* Publicly visible device structure */
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struct lcd_dev_s dev;
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/* Private LCD-specific information follows */
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uint8_t power; /* Current power setting */
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};
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#endif /* SSD1783_H_ */
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