Patch by "notzed" (Ticket #5380): Add support for setting video mode for OMAP3.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37321 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol
parent
6c6d79f7fa
commit
dae84707ac
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/*
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* Copyright 2010 Michael Zucchi.
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* Distributed under the terms of the MIT License.
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*
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*/
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#ifndef _OMAP3_VIDEO_H
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#define _OMAP3_VIDEO_H
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/* ********************************************************************** */
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/* S 1.7.2 Display Subsystem & SDI Registers */
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#define DSS_BASE 0x48050000
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#define DSS_SYSCONFIG 0x010
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#define DSS_SYSSTATUS 0x014
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#define DSS_IRQSTATUS 0x018
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#define DSS_CONTROL 0x040
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#define DSS_SDI_CONTROL 0x044
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#define DSS_PLL_CONTROL 0x048
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#define DSS_SDI_STATUS 0x05C
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/* SYSCONFIG bits */
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#define DSS_AUTOIDLE 1
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#define DSS_SOFTRESET 2
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/* SYSSTATUS bits */
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#define DSS_RESETDONE 1
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/* CONTROL bits */
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#define DSS_VENC_OUT_SEL (1<<6) /* set s-video */
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#define DSS_DAC_POWERDN_BGZ (1<<5)
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#define DSS_DAC_DEMEN (1<<4)
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#define DSS_VENC_CLOCK_4X_ENABLE (1<<3)
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#define DSS_VENC_CLOCK_MODE (1<<2) /* set square pixel */
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#define DSS_DSI_CLK_SWITCH (1<<1) /* select DSI2 PLL FCLK otherwise DSS1 ALWON FCLK */
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#define DSS_DSS1_CLK_SWITCH (1<<0) /* same */
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/* ********************************************************************** */
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/* S 1.7.3 Display controller */
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#define DISPC_BASE 0x48050400
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#define DISPC_SYSCONFIG 0x010
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#define DISPC_SYSSTATUS 0x014
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#define DISPC_IRQSTATUS 0x018
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#define DISPC_IRQENABLE 0x01C
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#define DISPC_CONTROL 0x040
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#define DISPC_CONFIG 0x044
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#define DISPC_DEFAULT_COLOR0 0x04c
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#define DISPC_DEFAULT_COLOR1 0x050
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#define DISPC_TRANS_COLOR0 0x54
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#define DISPC_TRANS_COLOR1 0x58
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#define DISPC_LINE_STATUS 0x05C
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#define DISPC_LINE_NUMBER 0x060
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#define DISPC_TIMING_H 0x064
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#define DISPC_TIMING_V 0x068
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#define DISPC_POL_FREQ 0x06C
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#define DISPC_DIVISOR 0x070
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#define DISPC_GLOBAL_ALPHA 0x074
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#define DISPC_SIZE_DIG 0x078
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#define DISPC_SIZE_LCD 0x07C
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#define DISPC_GFX_BA0 0x080
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#define DISPC_GFX_BA1 0x084
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#define DISPC_GFX_POSITION 0x088
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#define DISPC_GFX_SIZE 0x08C
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#define DISPC_GFX_ATTRIBUTES 0x0A0
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#define DISPC_GFX_FIFO_THRESHOLD 0x0A4
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#define DISPC_GFX_FIFO_SIZE_STATUS 0x0A8
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#define DISPC_GFX_ROW_INC 0x0AC
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#define DISPC_GFX_PIXEL_INC 0x0B0
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#define DISPC_GFX_WINDOW_SKIP 0x0B4
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#define DISPC_GFX_TABLE_BA 0x0B8
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#define DISPC_VID1_BA0 0x0BC
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#define DISPC_VID1_BA1 0x0C0
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#define DISPC_VID2_BA0 0x14C
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#define DISPC_VID2_BA1 0x150
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#define DISPC_VID1_POSITION 0x0C4
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#define DISPC_VID2_POSITION (0x0C4+0x90)
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#define DISPC_VID1_SIZE 0x0C8
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#define DISPC_VID2_SIZE (0x0C8+0x90)
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#define DISPC_VID1_ATTRIBUTES 0x0CC
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#define DISPC_VID2_ATTRIBUTES (0x0CC+0x90)
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#define DISPC_VID1_FIFO_THRESHOLD 0x0D0
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#define DISPC_VID2_FIFO_THRESHOLD (0x0D0+0x90)
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#define DISPC_VID1_FIFO_SIZE_STATUS 0x0D4
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#define DISPC_VID2_FIFO_SIZE_STATUS (0x0D4+0x90)
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#define DISPC_VID1_ROW_INC 0x0D8
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#define DISPC_VID2_ROW_INC (0x0D8+0x90)
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#define DISPC_VID1_PIXEL_INC 0x0DC
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#define DISPC_VID2_PIXEL_INC (0x0DC+0x90)
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/*
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#define DISPC_VIDn_FIR 0x0E0+((n-1)*
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*/
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#define DISPC_VID1_PICTURE_SIZE 0x0E4
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#define DISPC_VID2_PICTURE_SIZE (0x0E4+0x90)
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/*
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#define DISPC_VIDn_ACCUl 0x0E8
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#define DISPC_VIDn_FIR_COEF_Hi 0x0F0+
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#define DISPC_VIDn_FIR_COEF_HVi 0x0F4+
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*/
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#define DISPC_VID1_CONV_COEF0 0x130
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#define DISPC_VID2_CONV_COEF0 (0x130+0x90)
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#define DISPC_VID1_CONV_COEF1 0x134
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#define DISPC_VID2_CONV_COEF1 (0x134+0x90)
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#define DISPC_VID1_CONV_COEF2 0x138
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#define DISPC_VID2_CONV_COEF2 (0x138+0x90)
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#define DISPC_VID1_CONV_COEF3 0x13C
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#define DISPC_VID2_CONV_COEF3 (0x13C+0x90)
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#define DISPC_VID1_CONV_COEF4 0x140
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#define DISPC_VID2_CONV_COEF4 (0x140+0x90)
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/*
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#define DISPC_DATA_CYCLEk 0x1D4+((k-1)*
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#define DISPC_VIDn_FIR_COEF_Vi 0x1E0+
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*/
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#define DISPC_CPR_COEF_R 0x220
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#define DISPC_CPR_COEF_G 0x224
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#define DISPC_CPR_COEF_B 0x228
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#define DISPC_GFX_PRELOAD 0x22C
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#define DISPC_VID1_PRELOAD 0x230
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#define DISPC_VID2_PRELOAD 0x234
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/* DISPC_SYSCONFIG bits */
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#define DISPC_MIDLEMODE_FORCE (0<<12)
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#define DISPC_MIDLEMODE_NEVER (1<<12)
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#define DISPC_MIDLEMODE_SMART (2<<12)
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#define DISPC_SIDLEMODE_FORCE (0<<3)
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#define DISPC_SIDLEMODE_NEVER (1<<3)
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#define DISPC_SIDLEMODE_SMART (2<<3)
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#define DISPC_ENWAKEUP (1<<2)
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#define DISPC_SOFTRESET (1<<1)
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#define DISPC_AUTOIDLE (1<<0)
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/* DISPC_SYSSTATUS bits */
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#define DISPC_RESETDONE 1
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/* TODO: IRQ bits */
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/* DISPC_CONTROL bits (incomplete) */
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#define DISPC_DITHER_FRAMES_0 (0<<30)
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#define DISPC_DITHER_FRAMES_2 (1<<30)
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#define DISPC_DITHER_FRAMES_4 (2<<30)
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#define DISPC_LCDENABLEPOL (1<<29)
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#define DISPC_LCDENABLESIGNAL (1<<28)
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#define DISPC_PCKFREEENABLE (1<<27)
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#define DISPC_GPOUT1 (1<<16)
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#define DISPC_GPOUT0 (1<<15)
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#define DISPC_GPIN1 (1<<14)
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#define DISPC_GPIN0 (1<<13)
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#define DISPC_OVERLAYOPTIMISATION (1<<12)
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#define DISPC_STALLMODE (1<<11)
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#define DISPC_TFTDATALINES_12 (0<<8)
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#define DISPC_TFTDATALINES_16 (1<<8)
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#define DISPC_TFTDATALINES_18 (2<<8)
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#define DISPC_TFTDATALINES_24 (3<<8)
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#define DISPC_STDITHERENABLE (1<<7)
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#define DISPC_GODIGITAL (1<<6)
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#define DISPC_GOLCD (1<<5)
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#define DISPC_M8B (1<<4)
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#define DISPC_STNTFT (1<<3)
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#define DISPC_MONOCOLOR (1<<2)
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#define DISPC_DIGITALENABLE (1<<1)
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#define DISPC_LCDENABLE (1<<0)
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/* DISPC_CONFIG bits */
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#define DISPC_TVALPHABLENDERENABLE (1<<19)
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#define DISPC_LCDALPHABLENDERENABLE (1<<18)
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#define DISPC_FIFOFILLING (1<<17)
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#define DISPC_FIFOHANDCHECK (1<<16)
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#define DISPC_CPR (1<<15)
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#define DISPC_FIFOMERGE (1<<14)
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#define DISPC_TCKDIGSELECTION (1<<13)
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#define DISPC_TCKDIGENABLE (1<<12)
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#define DISPC_TCKLCDSELECTION (1<<11)
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#define DISPC_TCKLCDENABLE (1<<10)
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#define DISPC_FUNCGATED (1<<9)
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#define DISPC_ACBIASGATED (1<<8)
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#define DISPC_VSYNCGATED (1<<7)
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#define DISPC_HSYNCGATED (1<<6)
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#define DISPC_PIXELCLOCKGATED (1<<5)
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#define DISPC_PIXELDATAGATED (1<<4)
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#define DISPC_PALETTEGAMMATABLE (1<<3)
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#define DISPC_LOADMODE_EVERY (0<<1)
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#define DISPC_LOADMODE_MANUAL (1<<1)
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#define DISPC_LOADMODE_FRAME (2<<1)
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#define DISPC_LOADMODE_FIRST (3<<1)
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#define DISPC_PIXELGATED 1
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/* DISPC_TIMING_H bits and masks */
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#define DISPCB_HBP 20
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#define DISPCB_HFP 8
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#define DISPCB_HSW 0
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#define DISPCM_HBP 0xfff00000
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#define DISPCM_HFP 0x000fff00
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#define DISPCM_HSW 0x000000ff
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/* DISPC_TIMING_V bits and masks */
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#define DISPCB_VBP 20
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#define DISPCB_VFP 8
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#define DISPCB_VSW 0
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#define DISPCM_VBP 0x0ff00000
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#define DISPCM_VFP 0x0000ff00
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#define DISPCM_VSW 0x0000003f
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/* DISPC_POL_FREQ bits */
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#define DISPC_POL_ONOFF (1<<17)
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#define DISPC_POL_RF (1<<16)
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#define DISPC_POL_IEO (1<<15)
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#define DISPC_POL_IPC (1<<14)
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#define DISPC_POL_IHS (1<<13)
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#define DISPC_POL_IVS (1<<12)
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#define DISPCB_POL_ACBI 8
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#define DISPCM_POL_ACBI 0xf00
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#define DISPCB_POL_ACB 0
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#define DISPCM_POL_ACB 0xff
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/* DISPC_DIVISOR bits */
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#define DISPCB_DIVISOR_LCD 16
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#define DISPCB_DIVISOR_PCD 0
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/* DISPC_GFX_ATTRIBUTES bits */
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#define DISPC_GFXSELFREFRESH (1<<15)
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#define DISPC_GFXARBITRATION (1<<14)
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#define DISPC_GFXROTATION_0 (0<<12)
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#define DISPC_GFXROTATION_90 (1<<12)
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#define DISPC_GFXROTATION_180 (2<<12)
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#define DISPC_GFXROTATION_270 (3<<12)
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#define DISPC_GFXFIFOPRELOAD (1<<11)
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#define DISPC_GFXENDIANNESS (1<<10)
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#define DISPC_GFXNIBBLEMODE (1<<9)
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#define DISPC_GFXCHANNELOUT (1<<8)
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#define DISPC_GFXBURSTSIZE_4x32 (0<<6)
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#define DISPC_GFXBURSTSIZE_8x32 (1<<6)
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#define DISPC_GFXBURSTSIZE_16x32 (2<<6)
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#define DISPC_GFXREPLICATIONENABLE (1<<5)
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#define DISPC_GFXFORMAT_BITMAP1 (0<<1)
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#define DISPC_GFXFORMAT_BITMAP2 (1<<1)
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#define DISPC_GFXFORMAT_BITMAP4 (2<<1)
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#define DISPC_GFXFORMAT_BITMAP8 (3<<1)
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#define DISPC_GFXFORMAT_RGB12 (4<<1)
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#define DISPC_GFXFORMAT_ARGB16 (5<<1)
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#define DISPC_GFXFORMAT_RGB16 (6<<1)
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#define DISPC_GFXFORMAT_RGB32 (8<<1) /* 24 bit, 32-bit un - packed */
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#define DISPC_GFXFORMAT_RGB24 (9<<1)
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#define DISPC_GFXFORMAT_ARGB32 (12<<1)
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#define DISPC_GFXFORMAT_RGBA32 (13<<1)
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#define DISPC_GFXFORMAT_RGBx (14<<1)
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#define DISPC_GFXENABLE 1
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/* DISPC_VIDn_ATTRIBUTES bits */
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#define DISPC_VIDSELFREFRESH (1<<24)
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#define DISPC_VIDARBITRATION (1<<23)
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#define DISPC_VIDLINEBUFFERSPLOT (1<<22)
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#define DISPC_VIDVERTICALTAPS (1<<21)
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#define DISPC_VIDOPTIMISATION (1<<20)
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#define DISPC_VIDFIFOPRELOAD (1<<19)
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#define DISPC_VIDROWREPEATENABLE (1<<18)
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#define DISPC_VIDENDIANNESS (1<<17)
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#define DISPC_VIDCHANNELOUT (1<<16)
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#define DISPC_VIDBURSTSIZE_4x32 (0<<14)
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#define DISPC_VIDBURSTSIZE_8x32 (1<<14)
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#define DISPC_VIDBURSTSIZE_16x32 (2<<14)
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#define DISPC_VIDROTATION_0 (0<<12)
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#define DISPC_VIDROTATION_90 (1<<12)
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#define DISPC_VIDROTATION_180 (2<<12)
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#define DISPC_VIDROTATION_270 (3<<12)
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#define DISPC_VIDFULLRANGE (1<<11)
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#define DISPC_VIDREPLICATIONENABLE (1<<10)
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#define DISPC_VIDCOLORCONVENABLE (1<<9)
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#define DISPC_VIDVRESIZECONF (1<<8)
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#define DISPC_VIDHRESIZECONF (1<<7)
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#define DISPC_VIDRESIZEENABLE_H (1<<5)
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#define DISPC_VIDRESIZEENABLE_V (2<<5)
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#define DISPC_VIDRESIZEENABLE_HV (3<<5)
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// Only VID2 supports the alpha formats
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#define DISPC_VIDFORMAT_RGB12 (4<<1)
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#define DISPC_VIDFORMAT_ARGB16 (5<<1)
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#define DISPC_VIDFORMAT_RGB16 (6<<1)
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#define DISPC_VIDFORMAT_RGB32 (8<<1) /* 24 bit, 32-bit un - packed */
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#define DISPC_VIDFORMAT_RGB24 (9<<1)
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#define DISPC_VIDFORMAT_YUV2 (10<<1)
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#define DISPC_VIDFORMAT_UYVY (11<<1)
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#define DISPC_VIDFORMAT_ARGB32 (12<<1)
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#define DISPC_VIDFORMAT_RGBA32 (13<<1)
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#define DISPC_VIDFORMAT_RGBx (14<<1)
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#define DISPC_VIDENABLE 1
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/* TODO: video attributes, etc */
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/* ********************************************************************** */
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/* S 1.7.5 Video Encoder Registers */
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#define VENC_BASE 0x48050c00
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#define VENC_STATUS 0x04
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#define VENC_F_CONTROL 0x08
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#define VENC_VIDOUT_CTRL 0x10
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#define VENC_SYNC_CTRL 0x14
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#define VENC_LLEN 0x1C
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#define VENC_FLENS 0x20
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#define VENC_HFLTR_CTRL 0x24
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#define VENC_CC_CARR_WSS_CARR 0x28
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#define VENC_C_PHASE 0x2C
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#define VENC_GAIN_U 0x30
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#define VENC_GAIN_V 0x34
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#define VENC_GAIN_Y 0x38
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#define VENC_BLACK_LEVEL 0x3C
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#define VENC_BLANK_LEVEL 0x40
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#define VENC_X_COLOR 0x44
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#define VENC_M_CONTROL 0x48
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#define VENC_BSTAMP_WSS_DATA 0x4C
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#define VENC_S_CARR 0x50
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#define VENC_LINE21 0x54
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#define VENC_LN_SEL 0x58
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#define VENC_L21_WC_CTL 0x5C
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#define VENC_HTRIGGER_VTRIGGER 0x60
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#define VENC_SAVID_EAVID 0x64
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#define VENC_FLEN_FAL 0x68
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#define VENC_LAL_PHASE_RESET 0x6C
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#define VENC_HS_INT_START_STOP_X 0x70
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#define VENC_HS_EXT_START_STOP_X 0x74
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#define VENC_VS_INT_START_X 0x78
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#define VENC_VS_INT_STOP_X_VS_INT_START_Y 0x7C
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#define VENC_VS_INT_STOP_Y_VS_EXT_START_X 0x80
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#define VENC_VS_EXT_STOP_X_VS_EXT_START_Y 0x84
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#define VENC_VS_EXT_STOP_Y 0x88
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#define VENC_AVID_START_STOP_X 0x90
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#define VENC_AVID_START_STOP_Y 0x94
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#define VENC_FID_INT_START_X_FID_INT_START_Y 0xA0
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#define VENC_FID_INT_OFFSET_Y_FID_EXT_START_X 0xA4
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#define VENC_FID_EXT_START_Y_FID_EXT_OFFSET_Y 0xA8
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#define VENC_TVDETGP_INT_START_STOP_X 0xB0
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#define VENC_TVDETGP_INT_START_STOP_Y 0xB4
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#define VENC_GEN_CTRL 0xB8
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#define VENC_OUTPUT_CONTROL 0xC4
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#define VENC_OUTPUT_TEST 0xC8
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/* VENC_F_CONTROL bits */
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#define VENC_RESET (1<<8)
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#define VENC_SVDS_EXTERNAL (0<<6)
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#define VENC_SVDS_COLOURBAR (1<<6)
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#define VENC_SVDS_SOLID (2<<6)
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#define VENC_RGBF (1<<5)
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#define VENC_BCOLOR_BLACK (0<<2)
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#define VENC_BCOLOR_BLUE (1<<2)
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#define VENC_BCOLOR_RED (2<<2)
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#define VENC_BCOLOR_MAGENTA (3<<2)
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#define VENC_BCOLOR_GREEN (4<<2)
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#define VENC_BCOLOR_CYAN (5<<2)
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#define VENC_BCOLOR_YELLOW (6<<2)
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#define VENC_BCOLOR_WHITE (7<<2)
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#define VENC_FMT_24_RGB444 0
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#define VENC_FMT_24_444 1
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#define VENC_FMT_16_422 2
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#define VENC_FMT_8_422 2
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/* VENC_VIDOUT_CTRL bits */
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#define VENC_VIDOUT_54 (0)
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#define VENC_VIDOUT_27 (1)
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/* VENC_SYNC_CTRL bits */
|
||||
#define VENC_SYNC_FREE (1<<15)
|
||||
#define VENC_SYNC_ESAV (1<<14)
|
||||
#define VENC_SYNC_IGNP (1<<13)
|
||||
#define VENC_SYNC_NBLNKS (1<<12)
|
||||
#define VENC_SYNC_VBLKM_DFL (0<<10)
|
||||
#define VENC_SYNC_VBLKM_LAL (1<<10)
|
||||
#define VENC_SYNC_HBLKM_DFL (0<<10)
|
||||
#define VENC_SYNC_HBLKM_EAV (1<<10)
|
||||
#define VENC_SYNC_HBLKM_RANGE (2<<10)
|
||||
#define VENC_SYNC_FID_POL (1<<6)
|
||||
|
||||
/* VENC_HFLTR_CTRL bits */
|
||||
#define VENC_CINTP_EN (0<<1)
|
||||
#define VENC_CINTP_BYPASS_1 (1<<1)
|
||||
#define VENC_CINTP_BYPASS_2 (2<<1)
|
||||
#define VENC_CINTP_BYPASS (3<<1)
|
||||
|
||||
#define VENC_YINTP_EN (0<<0)
|
||||
#define VENC_YINTP_BYPASS (1<<0)
|
||||
|
||||
/* VENC_CC_CARR_WSS_CARR bits */
|
||||
#define VENCB_FWSS 16
|
||||
#define VENCB_FCC 0
|
||||
|
||||
/* VENC_X_COLOR bits */
|
||||
#define VENC_XCE (1<<6)
|
||||
#define VENC_XCBW_32_8 (0<<3)
|
||||
#define VENC_XCBW_26_5 (1<<3)
|
||||
#define VENC_XCBW_30_0 (2<<3)
|
||||
#define VENC_XCBW_29_2 (3<<3)
|
||||
#define VENC_LCD_0_0 0
|
||||
#define VENC_LCD_0_5 1
|
||||
#define VENC_LCD_1_0 2
|
||||
#define VENC_LCD_1_5 3
|
||||
#define VENC_LCD_m2_0 4
|
||||
#define VENC_LCD_m1_5 5
|
||||
#define VENC_LCD_m1_0 6
|
||||
#define VENC_LCD_m0_5 7
|
||||
|
||||
/* VENC_M_CONTROL bits */
|
||||
#define VENC_M_PALI (1<<7)
|
||||
#define VENC_M_PALN (1<<6)
|
||||
#define VENC_M_PALPHS (1<<5)
|
||||
#define VENC_M_CBW_21_8 (0<<2)
|
||||
#define VENC_M_CBW_19_8 (1<<2)
|
||||
#define VENC_M_CBW_18_0 (2<<2)
|
||||
#define VENC_M_CBW_23_7 (5<<2)
|
||||
#define VENC_M_CBW_26_8 (6<<2)
|
||||
#define VENC_M_CBW_BYPASS (7<<2)
|
||||
#define VENC_M_PAL (1<<1)
|
||||
#define VENC_M_NTSC (1<<0)
|
||||
|
||||
/* VENC_BSTAMP_WSS_DATA bits */
|
||||
#define VENCB_WSS_DATA (8)
|
||||
#define VENC_SQP (1<<7)
|
||||
|
||||
/* VENC_S_CARR values - presets assuming Fclkenc = 27Mhz */
|
||||
#define VENC_FSC_R601_NTSC_M 0x21F07C1F
|
||||
#define VENC_FSC_R601_PAL_M 0x21E6EFE3
|
||||
#define VENC_FSC_R601_PAL_G 0x2A098ACB
|
||||
#define VENC_FSC_R601_PAL_Nc 0x21E6EFE3
|
||||
|
||||
#endif
|
||||
|
|
@ -263,5 +263,19 @@
|
|||
#define I2C_ACTOA (0x50)
|
||||
#define I2C_SBLOCK (0x54)
|
||||
|
||||
/* GPIO */
|
||||
#define GPIO1_BASE 0x48310000
|
||||
#define GPIO2_BASE 0x49050000
|
||||
#define GPIO3_BASE 0x49052000
|
||||
#define GPIO4_BASE 0x49054000
|
||||
#define GPIO5_BASE 0x49056000
|
||||
#define GPIO6_BASE 0x49058000
|
||||
|
||||
/* (incomplete) */
|
||||
#define GPIO_OE 0x034
|
||||
#define GPIO_DATAIN 0x038
|
||||
#define GPIO_DATAOUT 0x03C
|
||||
#define GPIO_SETDATAOUT 0x094
|
||||
|
||||
#endif
|
||||
|
||||
|
|
|
|||
|
|
@ -209,25 +209,308 @@ arch_set_default_video_mode()
|
|||
#elif BOARD_CPU_OMAP3
|
||||
// #pragma mark -
|
||||
|
||||
#include "graphics/omap/omap3_regs.h"
|
||||
|
||||
extern void *gFrameBufferBase;
|
||||
|
||||
struct video_mode {
|
||||
short width, height;
|
||||
const char *name;
|
||||
uint32 dispc_timing_h;
|
||||
uint32 dispc_timing_v;
|
||||
uint32 dispc_divisor;
|
||||
uint32 dss_divisor;
|
||||
};
|
||||
|
||||
// Master clock (PLL4) is 864 Mhz, and changing it is a pita since it
|
||||
// cascades to other devices.
|
||||
// Pixel clock is 864 / cm_clksel_dss.dss1_alwan_fclk / dispc_divisor.divisor.pcd
|
||||
// So most of these modes are just approximate (1280x1024 is correct)
|
||||
// List must be in ascending order.
|
||||
struct video_mode modes[] = {
|
||||
{
|
||||
640, 480, "640x480-71",
|
||||
(128 << DISPCB_HBP) | (24 << DISPCB_HFP) | (40 << DISPCB_HSW),
|
||||
(28 << DISPCB_VBP) | (9 << DISPCB_VFP) | (3 << DISPCB_VSW),
|
||||
2, 14
|
||||
},
|
||||
{
|
||||
800, 600, "800x600-59",
|
||||
(88 << DISPCB_HBP) | (40 << DISPCB_HFP) | (128 << DISPCB_HSW),
|
||||
(23 << DISPCB_VBP) | (1 << DISPCB_VFP) | (4 << DISPCB_VSW),
|
||||
2, 11
|
||||
},
|
||||
{
|
||||
1024, 768, "1024x768-61",
|
||||
(160 << DISPCB_HBP) | (24 << DISPCB_HFP) | (136 << DISPCB_HSW),
|
||||
(29 << DISPCB_VBP) | (3 << DISPCB_VFP) | (6 << DISPCB_VSW),
|
||||
1, 13
|
||||
},
|
||||
{
|
||||
1280, 1024, "1280x1024-60",
|
||||
(248 << DISPCB_HBP) | (48 << DISPCB_HFP) | (112 << DISPCB_HSW),
|
||||
(38 << DISPCB_VBP) | (1 << DISPCB_VFP) | (3 << DISPCB_VSW),
|
||||
1, 8
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
static inline void setaddr(uint32 reg, unsigned int v)
|
||||
{
|
||||
*((volatile uint32 *)(reg)) = v;
|
||||
}
|
||||
|
||||
|
||||
static inline void modaddr(unsigned int reg, unsigned int m, unsigned int v)
|
||||
{
|
||||
uint32 o;
|
||||
|
||||
o = *((volatile uint32 *)(reg));
|
||||
o &= ~m;
|
||||
o |= v;
|
||||
*((volatile uint32 *)(reg)) = o;
|
||||
}
|
||||
|
||||
|
||||
static inline void setreg(uint32 base, unsigned int reg, unsigned int v)
|
||||
{
|
||||
*((volatile uint32 *)(base+reg)) = v;
|
||||
}
|
||||
|
||||
|
||||
static inline uint32 readreg(uint32 base, unsigned int reg)
|
||||
{
|
||||
return *((volatile uint32 *)(base+reg));
|
||||
}
|
||||
|
||||
|
||||
static inline void modreg(uint32 base, unsigned int reg, unsigned int m, unsigned int v)
|
||||
{
|
||||
uint32 o;
|
||||
|
||||
o = *((volatile uint32 *)(base+reg));
|
||||
o &= ~m;
|
||||
o |= v;
|
||||
*((volatile uint32 *)(base+reg)) = o;
|
||||
}
|
||||
|
||||
|
||||
// init beagle gpio for video
|
||||
static void omap_beagle_init(void)
|
||||
{
|
||||
// setup GPIO stuff, i can't find any references to these
|
||||
setreg(GPIO1_BASE, GPIO_OE, 0xfefffedf);
|
||||
setreg(GPIO1_BASE, GPIO_SETDATAOUT, 0x01000120);
|
||||
// DVI-D is enabled by GPIO 170?
|
||||
}
|
||||
|
||||
|
||||
static void omap_clock_init(void)
|
||||
{
|
||||
// sets pixel clock to 72MHz
|
||||
|
||||
// sys_clk = 26.0 Mhz
|
||||
// DPLL4 = sys_clk * 432 / 13 = 864
|
||||
// DSS1_ALWON_FCLK = 864 / 6 = 144
|
||||
// Pixel clock (DISPC_DIVISOR) = 144 / 2 = 72Mhz
|
||||
// and also VENC clock = 864 / 16 = 54MHz
|
||||
|
||||
// The clock multiplier/divider cannot be changed
|
||||
// without affecting other system clocks - do don't.
|
||||
|
||||
// pll4 clock multiplier/divider
|
||||
setaddr(CM_CLKSEL2_PLL, (432 << 8) | 12);
|
||||
// tv clock divider, dss1 alwon fclk divider
|
||||
setaddr(CM_CLKSEL_DSS, (16 << 8) | 6);
|
||||
// core/peripheral PLL to 1MHz
|
||||
setaddr(CM_CLKEN_PLL, 0x00370037);
|
||||
}
|
||||
|
||||
|
||||
static void omap_dss_init(void)
|
||||
{
|
||||
setreg(DSS_BASE, DSS_SYSCONFIG, DSS_AUTOIDLE);
|
||||
// Select DSS1 ALWON as clock source
|
||||
setreg(DSS_BASE, DSS_CONTROL, DSS_VENC_OUT_SEL | DSS_DAC_POWERDN_BGZ | DSS_DAC_DEMEN | DSS_VENC_CLOCK_4X_ENABLE);
|
||||
}
|
||||
|
||||
|
||||
static void omap_dispc_init(void)
|
||||
{
|
||||
uint32 DISPC = DISPC_BASE;
|
||||
|
||||
setreg(DISPC, DISPC_SYSCONFIG,
|
||||
DISPC_MIDLEMODE_SMART
|
||||
| DISPC_SIDLEMODE_SMART
|
||||
| DISPC_ENWAKEUP
|
||||
| DISPC_AUTOIDLE);
|
||||
|
||||
setreg(DISPC, DISPC_CONFIG, DISPC_LOADMODE_FRAME);
|
||||
|
||||
// LCD default colour = black
|
||||
setreg(DISPC, DISPC_DEFAULT_COLOR0, 0x000000);
|
||||
|
||||
setreg(DISPC, DISPC_POL_FREQ,
|
||||
DISPC_POL_IPC
|
||||
| DISPC_POL_IHS
|
||||
| DISPC_POL_IVS
|
||||
| (2<<DISPCB_POL_ACBI)
|
||||
| (8<<DISPCB_POL_ACB));
|
||||
|
||||
// Set pixel clock divisor = 2
|
||||
setreg(DISPC, DISPC_DIVISOR,
|
||||
(1<<DISPCB_DIVISOR_LCD)
|
||||
| (2<<DISPCB_DIVISOR_PCD));
|
||||
|
||||
// Disable graphical output
|
||||
setreg(DISPC, DISPC_GFX_ATTRIBUTES, 0);
|
||||
|
||||
// Turn on the LCD output
|
||||
setreg(DISPC, DISPC_CONTROL,
|
||||
DISPC_GPOUT1
|
||||
| DISPC_GPOUT0
|
||||
| DISPC_TFTDATALINES_24
|
||||
| DISPC_STDITHERENABLE
|
||||
| DISPC_GOLCD
|
||||
| DISPC_STNTFT
|
||||
| DISPC_LCDENABLE
|
||||
);
|
||||
|
||||
while ((readreg(DISPC, DISPC_CONTROL) & DISPC_GOLCD))
|
||||
;
|
||||
}
|
||||
|
||||
|
||||
static void omap_set_lcd_mode(int w, int h) {
|
||||
uint32 DISPC = DISPC_BASE;
|
||||
unsigned int i;
|
||||
struct video_mode *m;
|
||||
|
||||
dprintf("omap3: set_lcd_mode %d,%d\n", w, h);
|
||||
|
||||
for (i=0;i<sizeof(modes)/sizeof(modes[0]);i++) {
|
||||
if (w <= modes[i].width
|
||||
&& h <= modes[i].height)
|
||||
goto found;
|
||||
}
|
||||
i -= 1;
|
||||
found:
|
||||
m = &modes[i];
|
||||
|
||||
dprintf("omap3: found mode[%s]\n", m->name);
|
||||
|
||||
setreg(DISPC, DISPC_SIZE_LCD, (m->width - 1) | ((m->height-1) << 16));
|
||||
setreg(DISPC, DISPC_TIMING_H, m->dispc_timing_h);
|
||||
setreg(DISPC, DISPC_TIMING_V, m->dispc_timing_v);
|
||||
|
||||
modreg(DISPC, DISPC_DIVISOR, 0xffff, m->dispc_divisor);
|
||||
modaddr(CM_CLKSEL_DSS, 0xffff, m->dss_divisor);
|
||||
|
||||
// Tell hardware to update, and wait for it
|
||||
modreg(DISPC, DISPC_CONTROL,
|
||||
DISPC_GOLCD,
|
||||
DISPC_GOLCD);
|
||||
|
||||
while ((readreg(DISPC, DISPC_CONTROL) & DISPC_GOLCD))
|
||||
;
|
||||
}
|
||||
|
||||
|
||||
static void omap_attach_framebuffer(void *data, int width, int height, int depth)
|
||||
{
|
||||
uint32 DISPC = DISPC_BASE;
|
||||
uint32 gsize = ((height-1)<<16) | (width-1);
|
||||
|
||||
dprintf("omap3: attach bitmap (%d,%d) %p to screen\n", width, height, data);
|
||||
|
||||
setreg(DISPC, DISPC_GFX_BA0, (uint32)data);
|
||||
setreg(DISPC, DISPC_GFX_BA1, (uint32)data);
|
||||
setreg(DISPC, DISPC_GFX_POSITION, 0);
|
||||
setreg(DISPC, DISPC_GFX_SIZE, gsize);
|
||||
setreg(DISPC, DISPC_GFX_FIFO_THRESHOLD, (0x3ff << 16) | 0x3c0);
|
||||
setreg(DISPC, DISPC_GFX_ROW_INC, 1);
|
||||
setreg(DISPC, DISPC_GFX_PIXEL_INC, 1);
|
||||
setreg(DISPC, DISPC_GFX_WINDOW_SKIP, 0);
|
||||
setreg(DISPC, DISPC_GFX_ATTRIBUTES,
|
||||
DISPC_GFXFORMAT_RGB16
|
||||
| DISPC_GFXBURSTSIZE_16x32
|
||||
| DISPC_GFXENABLE);
|
||||
|
||||
// Tell hardware to update, and wait for it
|
||||
modreg(DISPC, DISPC_CONTROL,
|
||||
DISPC_GOLCD,
|
||||
DISPC_GOLCD);
|
||||
|
||||
while ((readreg(DISPC, DISPC_CONTROL) & DISPC_GOLCD))
|
||||
;
|
||||
}
|
||||
|
||||
|
||||
static void omap_init(void) {
|
||||
dprintf("omap3: video_init()\n");
|
||||
|
||||
setreg(DISPC_BASE, DISPC_IRQENABLE, 0x00000);
|
||||
setreg(DISPC_BASE, DISPC_IRQSTATUS, 0x1ffff);
|
||||
|
||||
omap_beagle_init();
|
||||
omap_clock_init();
|
||||
omap_dss_init();
|
||||
omap_dispc_init();
|
||||
}
|
||||
|
||||
|
||||
status_t
|
||||
arch_probe_video_mode(void)
|
||||
{
|
||||
return B_ERROR;
|
||||
gKernelArgs.frame_buffer.depth = 16;
|
||||
gKernelArgs.frame_buffer.width = 1024;
|
||||
gKernelArgs.frame_buffer.height = 768;
|
||||
gKernelArgs.frame_buffer.bytes_per_row = gKernelArgs.frame_buffer.width * 2;
|
||||
gKernelArgs.frame_buffer.physical_buffer.size = gKernelArgs.frame_buffer.width
|
||||
* gKernelArgs.frame_buffer.height
|
||||
* gKernelArgs.frame_buffer.depth / 8;
|
||||
|
||||
#if 0
|
||||
if (!gFrameBufferBase) {
|
||||
int err = platform_allocate_region(&gFrameBufferBase, gKernelArgs.frame_buffer.physical_buffer.size, 0, false);
|
||||
if (err < B_OK) return err;
|
||||
gKernelArgs.frame_buffer.physical_buffer.start = (addr_t)gFrameBufferBase;
|
||||
dprintf("video framebuffer: %p\n", gFrameBufferBase);
|
||||
}
|
||||
#else
|
||||
gFrameBufferBase = (void *)0x88000000;
|
||||
gKernelArgs.frame_buffer.physical_buffer.start = (addr_t)gFrameBufferBase;
|
||||
#endif
|
||||
|
||||
dprintf("video mode: %ux%ux%u\n", gKernelArgs.frame_buffer.width,
|
||||
gKernelArgs.frame_buffer.height, gKernelArgs.frame_buffer.depth);
|
||||
|
||||
gKernelArgs.frame_buffer.enabled = true;
|
||||
|
||||
omap_init();
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
status_t
|
||||
arch_set_video_mode(int width, int height, int depth)
|
||||
{
|
||||
return B_ERROR;
|
||||
dprintf("arch_set_video_mode %d,%d @ %d\n", width, height, depth);
|
||||
|
||||
omap_set_lcd_mode(width, height);
|
||||
omap_attach_framebuffer(gFrameBufferBase, width, height, depth);
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
status_t
|
||||
arch_set_default_video_mode()
|
||||
{
|
||||
return arch_set_video_mode(800, 600, 32);
|
||||
dprintf("arch_set_default_video_mode()\n");
|
||||
|
||||
return arch_set_video_mode(1024, 768, 16);
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue