| 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 2 | config FB_OMAP |
| 3 | tristate "OMAP frame buffer support" |
| 4 | depends on FB |
| 5 | depends on ARCH_OMAP1 || (ARM && COMPILE_TEST) |
| 6 | select FB_IOMEM_HELPERS |
| 7 | help |
| 8 | Frame buffer driver for OMAP based boards. |
| 9 | |
| 10 | config FB_OMAP_LCDC_EXTERNAL |
| 11 | bool "External LCD controller support" |
| 12 | depends on FB_OMAP |
| 13 | help |
| 14 | Say Y here, if you want to have support for boards with an |
| 15 | external LCD controller connected to the SoSSI/RFBI interface. |
| 16 | |
| 17 | config FB_OMAP_LCDC_HWA742 |
| 18 | bool "Epson HWA742 LCD controller support" |
| 19 | depends on FB_OMAP && FB_OMAP_LCDC_EXTERNAL |
| 20 | help |
| 21 | Say Y here if you want to have support for the external |
| 22 | Epson HWA742 LCD controller. |
| 23 | |
| 24 | config FB_OMAP_MANUAL_UPDATE |
| 25 | bool "Default to manual update mode" |
| 26 | depends on FB_OMAP && FB_OMAP_LCDC_EXTERNAL |
| 27 | help |
| 28 | Say Y here, if your user-space applications are capable of |
| 29 | notifying the frame buffer driver when a change has occurred in |
| 30 | the frame buffer content and thus a reload of the image data to |
| 31 | the external frame buffer is required. If unsure, say N. |
| 32 | |
| 33 | config FB_OMAP_LCD_MIPID |
| 34 | bool "MIPI DBI-C/DCS compatible LCD support" |
| 35 | depends on FB_OMAP && SPI_MASTER |
| 36 | help |
| 37 | Say Y here if you want to have support for LCDs compatible with |
| 38 | the Mobile Industry Processor Interface DBI-C/DCS |
| 39 | specification. (Supported LCDs: Philips LPH8923, Sharp LS041Y3) |
| 40 | |
| 41 | config FB_OMAP_DMA_TUNE |
| 42 | bool "Set DMA SDRAM access priority high" |
| 43 | depends on FB_OMAP |
| 44 | help |
| 45 | On systems in which video memory is in system memory |
| 46 | (SDRAM) this will speed up graphics DMA operations. |
| 47 | If you have such a system and want to use rotation |
| 48 | answer yes. Answer no if you have a dedicated video |
| 49 | memory, or don't use any of the accelerated features. |