diff options
| -rw-r--r-- | drivers/staging/fbtft/fb_ili9163.c | 69 | ||||
| -rw-r--r-- | drivers/staging/fbtft/fb_ili9320.c | 8 | ||||
| -rw-r--r-- | drivers/staging/fbtft/fb_ili9325.c | 80 | ||||
| -rw-r--r-- | drivers/staging/fbtft/fb_ili9341.c | 8 |
4 files changed, 83 insertions, 82 deletions
diff --git a/drivers/staging/fbtft/fb_ili9163.c b/drivers/staging/fbtft/fb_ili9163.c index cbcfbb531612..3f6c245ef2af 100644 --- a/drivers/staging/fbtft/fb_ili9163.c +++ b/drivers/staging/fbtft/fb_ili9163.c @@ -39,11 +39,11 @@ #endif /* ILI9163C commands */ -#define CMD_FRMCTR1 0xB1 /* Frame Rate Control - (In normal mode/Full colors) */ +#define CMD_FRMCTR1 0xB1 /* Frame Rate Control */ + /* (In normal mode/Full colors) */ #define CMD_FRMCTR2 0xB2 /* Frame Rate Control (In Idle mode/8-colors) */ -#define CMD_FRMCTR3 0xB3 /* Frame Rate Control - (In Partial mode/full colors) */ +#define CMD_FRMCTR3 0xB3 /* Frame Rate Control */ + /* (In Partial mode/full colors) */ #define CMD_DINVCTR 0xB4 /* Display Inversion Control */ #define CMD_RGBBLK 0xB5 /* RGB Interface Blanking Porch setting */ #define CMD_DFUNCTR 0xB6 /* Display Function set 5 */ @@ -63,17 +63,18 @@ #define CMD_GAMRSEL 0xF2 /* GAM_R_SEL */ /* -This display: -http://www.ebay.com/itm/Replace-Nokia-5110-LCD-1-44-Red-Serial-128X128-SPI-Color-TFT-LCD-Display-Module-/271422122271 -This particular display has a design error! The controller has 3 pins to -configure to constrain the memory and resolution to a fixed dimension (in -that case 128x128) but they leaved those pins configured for 128x160 so -there was several pixel memory addressing problems. -I solved by setup several parameters that dinamically fix the resolution as -needit so below the parameters for this display. If you have a strain or a -correct display (can happen with chinese) you can copy those parameters and -create setup for different displays. -*/ + * This display: + * http://www.ebay.com/itm/Replace-Nokia-5110-LCD-1-44-Red-Serial-128X128-SPI- + * Color-TFT-LCD-Display-Module-/271422122271 + * This particular display has a design error! The controller has 3 pins to + * configure to constrain the memory and resolution to a fixed dimension (in + * that case 128x128) but they leaved those pins configured for 128x160 so + * there was several pixel memory addressing problems. + * I solved by setup several parameters that dinamically fix the resolution as + * needit so below the parameters for this display. If you have a strain or a + * correct display (can happen with chinese) you can copy those parameters and + * create setup for different displays. + */ #ifdef RED #define __OFFSET 32 /*see note 2 - this is the red version */ @@ -153,25 +154,25 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, } /* -7) MY: 1(bottom to top), 0(top to bottom) Row Address Order -6) MX: 1(R to L), 0(L to R) Column Address Order -5) MV: 1(Exchanged), 0(normal) Row/Column exchange -4) ML: 1(bottom to top), 0(top to bottom) Vertical Refresh Order -3) RGB: 1(BGR), 0(RGB) Color Space -2) MH: 1(R to L), 0(L to R) Horizontal Refresh Order -1) -0) - - MY, MX, MV, ML,RGB, MH, D1, D0 - 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 //normal - 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 //Y-Mirror - 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 //X-Mirror - 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 //X-Y-Mirror - 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 //X-Y Exchange - 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 //X-Y Exchange, Y-Mirror - 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 //XY exchange - 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 -*/ + * 7) MY: 1(bottom to top), 0(top to bottom) Row Address Order + * 6) MX: 1(R to L), 0(L to R) Column Address Order + * 5) MV: 1(Exchanged), 0(normal) Row/Column exchange + * 4) ML: 1(bottom to top), 0(top to bottom) Vertical Refresh Order + * 3) RGB: 1(BGR), 0(RGB) Color Space + * 2) MH: 1(R to L), 0(L to R) Horizontal Refresh Order + * 1) + * 0) + * + * MY, MX, MV, ML,RGB, MH, D1, D0 + * 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 //normal + * 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 //Y-Mirror + * 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 //X-Mirror + * 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 //X-Y-Mirror + * 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 //X-Y Exchange + * 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 //X-Y Exchange, Y-Mirror + * 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 //XY exchange + * 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 + */ static int set_var(struct fbtft_par *par) { u8 mactrl_data = 0; /* Avoid compiler warning */ diff --git a/drivers/staging/fbtft/fb_ili9320.c b/drivers/staging/fbtft/fb_ili9320.c index 3ed50febe36f..5da2764bb82a 100644 --- a/drivers/staging/fbtft/fb_ili9320.c +++ b/drivers/staging/fbtft/fb_ili9320.c @@ -216,10 +216,10 @@ static int set_var(struct fbtft_par *par) } /* - Gamma string format: - VRP0 VRP1 RP0 RP1 KP0 KP1 KP2 KP3 KP4 KP5 - VRN0 VRN1 RN0 RN1 KN0 KN1 KN2 KN3 KN4 KN5 -*/ + * Gamma string format: + * VRP0 VRP1 RP0 RP1 KP0 KP1 KP2 KP3 KP4 KP5 + * VRN0 VRN1 RN0 RN1 KN0 KN1 KN2 KN3 KN4 KN5 + */ #define CURVE(num, idx) curves[num * par->gamma.num_values + idx] static int set_gamma(struct fbtft_par *par, unsigned long *curves) { diff --git a/drivers/staging/fbtft/fb_ili9325.c b/drivers/staging/fbtft/fb_ili9325.c index 3b3a06d8a125..64cdf555ac34 100644 --- a/drivers/staging/fbtft/fb_ili9325.c +++ b/drivers/staging/fbtft/fb_ili9325.c @@ -56,42 +56,42 @@ module_param(vcm, uint, 0); MODULE_PARM_DESC(vcm, "Set the internal VcomH voltage"); /* -Verify that this configuration is within the Voltage limits - -Display module configuration: Vcc = IOVcc = Vci = 3.3V - - Voltages ----------- -Vci = 3.3 -Vci1 = Vci * 0.80 = 2.64 -DDVDH = Vci1 * 2 = 5.28 -VCL = -Vci1 = -2.64 -VREG1OUT = Vci * 1.85 = 4.88 -VCOMH = VREG1OUT * 0.735 = 3.59 -VCOM amplitude = VREG1OUT * 0.98 = 4.79 -VGH = Vci * 4 = 13.2 -VGL = -Vci * 4 = -13.2 - - Limits --------- -Power supplies -1.65 < IOVcc < 3.30 => 1.65 < 3.3 < 3.30 -2.40 < Vcc < 3.30 => 2.40 < 3.3 < 3.30 -2.50 < Vci < 3.30 => 2.50 < 3.3 < 3.30 - -Source/VCOM power supply voltage - 4.50 < DDVDH < 6.0 => 4.50 < 5.28 < 6.0 --3.0 < VCL < -2.0 => -3.0 < -2.64 < -2.0 -VCI - VCL < 6.0 => 5.94 < 6.0 - -Gate driver output voltage - 10 < VGH < 20 => 10 < 13.2 < 20 --15 < VGL < -5 => -15 < -13.2 < -5 -VGH - VGL < 32 => 26.4 < 32 - -VCOM driver output voltage -VCOMH - VCOML < 6.0 => 4.79 < 6.0 -*/ + * Verify that this configuration is within the Voltage limits + * + * Display module configuration: Vcc = IOVcc = Vci = 3.3V + * + * Voltages + * ---------- + * Vci = 3.3 + * Vci1 = Vci * 0.80 = 2.64 + * DDVDH = Vci1 * 2 = 5.28 + * VCL = -Vci1 = -2.64 + * VREG1OUT = Vci * 1.85 = 4.88 + * VCOMH = VREG1OUT * 0.735 = 3.59 + * VCOM amplitude = VREG1OUT * 0.98 = 4.79 + * VGH = Vci * 4 = 13.2 + * VGL = -Vci * 4 = -13.2 + * + * Limits + * -------- + * Power supplies + * 1.65 < IOVcc < 3.30 => 1.65 < 3.3 < 3.30 + * 2.40 < Vcc < 3.30 => 2.40 < 3.3 < 3.30 + * 2.50 < Vci < 3.30 => 2.50 < 3.3 < 3.30 + * + * Source/VCOM power supply voltage + * 4.50 < DDVDH < 6.0 => 4.50 < 5.28 < 6.0 + * -3.0 < VCL < -2.0 => -3.0 < -2.64 < -2.0 + * VCI - VCL < 6.0 => 5.94 < 6.0 + * + * Gate driver output voltage + * 10 < VGH < 20 => 10 < 13.2 < 20 + * -15 < VGL < -5 => -15 < -13.2 < -5 + * VGH - VGL < 32 => 26.4 < 32 + * + * VCOM driver output voltage + * VCOMH - VCOML < 6.0 => 4.79 < 6.0 + */ static int init_display(struct fbtft_par *par) { @@ -213,10 +213,10 @@ static int set_var(struct fbtft_par *par) } /* - Gamma string format: - VRP0 VRP1 RP0 RP1 KP0 KP1 KP2 KP3 KP4 KP5 - VRN0 VRN1 RN0 RN1 KN0 KN1 KN2 KN3 KN4 KN5 -*/ + * Gamma string format: + * VRP0 VRP1 RP0 RP1 KP0 KP1 KP2 KP3 KP4 KP5 + * VRN0 VRN1 RN0 RN1 KN0 KN1 KN2 KN3 KN4 KN5 + */ #define CURVE(num, idx) curves[num * par->gamma.num_values + idx] static int set_gamma(struct fbtft_par *par, unsigned long *curves) { diff --git a/drivers/staging/fbtft/fb_ili9341.c b/drivers/staging/fbtft/fb_ili9341.c index d1e13cd93ad3..e8107d15b891 100644 --- a/drivers/staging/fbtft/fb_ili9341.c +++ b/drivers/staging/fbtft/fb_ili9341.c @@ -116,10 +116,10 @@ static int set_var(struct fbtft_par *par) } /* - Gamma string format: - Positive: Par1 Par2 [...] Par15 - Negative: Par1 Par2 [...] Par15 -*/ + * Gamma string format: + * Positive: Par1 Par2 [...] Par15 + * Negative: Par1 Par2 [...] Par15 + */ #define CURVE(num, idx) curves[num * par->gamma.num_values + idx] static int set_gamma(struct fbtft_par *par, unsigned long *curves) { |
