From: Jaya Kumar Date: Mon, 28 Apr 2008 09:15:40 +0000 (-0700) Subject: fbdev: platforming hecubafb and n411 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0e27aa3dabb541edee9f23b37114856a528de01e;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git fbdev: platforming hecubafb and n411 This patch splits hecubafb into the platform independent hecubafb and the platform dependent n411. Signed-off-by: Jaya Kumar Cc: "Antonino A. Daplas" Cc: Geert Uytterhoeven Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index ff6ea9a9be22..73d3afad7c50 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -178,6 +178,11 @@ config FB_METRONOME depends on FB depends on FB_DEFERRED_IO +config FB_HECUBA + tristate + depends on FB + depends on FB_DEFERRED_IO + config FB_SVGALIB tristate depends on FB @@ -703,20 +708,18 @@ config FB_IMAC help This is the frame buffer device driver for the Intel-based Macintosh -config FB_HECUBA - tristate "Hecuba board support" +config FB_N411 + tristate "N411 Apollo/Hecuba devkit support" depends on FB && X86 && MMU select FB_SYS_FILLRECT select FB_SYS_COPYAREA select FB_SYS_IMAGEBLIT select FB_SYS_FOPS select FB_DEFERRED_IO + select FB_HECUBA help - This enables support for the Hecuba board. This driver was tested - with an E-Ink 800x600 display and x86 SBCs through a 16 bit GPIO - interface (8 bit data, 4 bit control). If you anticipate using - this driver, say Y or M; otherwise say N. You must specify the - GPIO IO address to be used for setting control and data. + This enables support for the Apollo display controller in its + Hecuba form using the n411 devkit. config FB_HGA tristate "Hercules mono graphics support" diff --git a/drivers/video/hecubafb.c b/drivers/video/hecubafb.c index b77d033665da..0b4bffbe67c8 100644 --- a/drivers/video/hecubafb.c +++ b/drivers/video/hecubafb.c @@ -1,5 +1,5 @@ /* - * linux/drivers/video/hecubafb.c -- FB driver for Hecuba controller + * linux/drivers/video/hecubafb.c -- FB driver for Hecuba/Apollo controller * * Copyright (C) 2006, Jaya Kumar * This work was sponsored by CIS(M) Sdn Bhd @@ -17,18 +17,13 @@ * values. There are other commands that the display is capable of, * beyond the 5 used here but they are more complex. * - * This driver is written to be used with the Hecuba display controller - * board, and tested with the EInk 800x600 display in 1 bit mode. - * The interface between Hecuba and the host is TTL based GPIO. The - * GPIO requirements are 8 writable data lines and 6 lines for control. - * Only 4 of the controls are actually used here but 6 for future use. - * The driver requires the IO addresses for data and control GPIO at - * load time. It is also possible to use this display with a standard - * PC parallel port. + * This driver is written to be used with the Hecuba display architecture. + * The actual display chip is called Apollo and the interface electronics + * it needs is called Hecuba. * - * General notes: - * - User must set hecubafb_enable=1 to enable it - * - User must set dio_addr=0xIOADDR cio_addr=0xIOADDR c2io_addr=0xIOADDR + * It is intended to be architecture independent. A board specific driver + * must be used to perform all the physical IO interactions. An example + * is provided as n411.c * */ @@ -47,34 +42,12 @@ #include #include -/* Apollo controller specific defines */ -#define APOLLO_START_NEW_IMG 0xA0 -#define APOLLO_STOP_IMG_DATA 0xA1 -#define APOLLO_DISPLAY_IMG 0xA2 -#define APOLLO_ERASE_DISPLAY 0xA3 -#define APOLLO_INIT_DISPLAY 0xA4 - -/* Hecuba interface specific defines */ -/* WUP is inverted, CD is inverted, DS is inverted */ -#define HCB_NWUP_BIT 0x01 -#define HCB_NDS_BIT 0x02 -#define HCB_RW_BIT 0x04 -#define HCB_NCD_BIT 0x08 -#define HCB_ACK_BIT 0x80 +#include