/* $OpenBSD: omdisplay.c,v 1.11 2024/05/13 01:15:50 jsg Exp $ */ /* * Copyright (c) 2007 Dale Rahn * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "splash16.h" #define OMDISPLAY_SIZE 0x1000 /* registers */ /* DSS */ #define DSS_REVISIONNUMBER 0x00 #define DSS_CONTROL 0x40 #define DSS_PSA_LCD_REG_1 0x50 #define DSS_PSA_LCD_REG_2 0x54 #define DSS_PSA_VIDEO_REG 0x58 #define DSS_STATUS 0x5C /* DCR */ #define DISPC_REVISION 0x0000 #define DISPC_SYSCONFIG 0x0010 #define DISPC_SYSCONFIG_AUTOIDLE 0x00000001 #define DISPC_SYSCONFIG_SOFTRESET 0x00000002 #define DISPC_SYSCONFIG_SIDLEMODE_FORCE 0x00000000 #define DISPC_SYSCONFIG_SIDLEMODE_NONE 0x00000008 #define DISPC_SYSCONFIG_SIDLEMODE_SMART 0x00000010 #define DISPC_SYSCONFIG_MIDLEMODE_FORCE 0x00000000 #define DISPC_SYSCONFIG_MIDLEMODE_NONE 0x00001000 #define DISPC_SYSCONFIG_MIDLEMODE_SMART 0x00002000 #define DISPC_SYSSTATUS 0x0014 #define DISPC_SYSTATUS_RESETDONE 0x00000001 #define DISPC_IRQSTATUS 0x0018 #define DISPC_IRQSTATUS_FRAMEDONE 0x00000001 #define DISPC_IRQSTATUS_VSYNC 0x00000002 #define DISPC_IRQSTATUS_EVSYNCEVEN 0x00000004 #define DISPC_IRQSTATUS_EVSYNCODD 0x00000008 #define DISPC_IRQSTATUS_ACBIASCOUNT 0x00000010 #define DISPC_IRQSTATUS_PROGLINENUM 0x00000020 #define DISPC_IRQSTATUS_GFXFIFOUNDER 0x00000040 #define DISPC_IRQSTATUS_GFXENDWINDOW 0x00000080 #define DISPC_IRQSTATUS_PALGAMMA 0x00000100 #define DISPC_IRQSTATUS_OCPERROR 0x00000200 #define DISPC_IRQSTATUS_VID1FIFOUNDER 0x00000400 #define DISPC_IRQSTATUS_VID1ENDWIND 0x00000800 #define DISPC_IRQSTATUS_VID2FIFOUNDER 0x00001000 #define DISPC_IRQSTATUS_VID2ENDWIND 0x00002000 #define DISPC_IRQSTATUS_SYNCLOST 0x00004000 #define DISPC_IRQENABLE 0x001C #define DISPC_IRQENABLE_FRAMEDONE 0x00000001 #define DISPC_IRQENABLE_VSYNC 0x00000002 #define DISPC_IRQENABLE_EVSYNCEVEN 0x00000004 #define DISPC_IRQENABLE_EVSYNCODD 0x00000008 #define DISPC_IRQENABLE_ACBIASCOUNT 0x00000010 #define DISPC_IRQENABLE_PROGLINENUM 0x00000020 #define DISPC_IRQENABLE_GFXFIFOUNDER 0x00000040 #define DISPC_IRQENABLE_GFXENDWINDOW 0x00000080 #define DISPC_IRQENABLE_PALGAMMA 0x00000100 #define DISPC_IRQENABLE_OCPERROR 0x00000200 #define DISPC_IRQENABLE_VID1FIFOUNDER 0x00000400 #define DISPC_IRQENABLE_VID1ENDWIND 0x00000800 #define DISPC_IRQENABLE_VID2FIFOUNDER 0x00001000 #define DISPC_IRQENABLE_VID2ENDWIND 0x00002000 #define DISPC_IRQENABLE_SYNCLOST 0x00004000 #define DISPC_CONTROL 0x0040 #define DISPC_CONTROL_LCDENABLE 0x00000001 #define DISPC_CONTROL_DIGITALENABLE 0x00000002 #define DISPC_CONTROL_MONOCOLOR 0x00000004 #define DISPC_CONTROL_STNTFT 0x00000008 #define DISPC_CONTROL_M8B 0x00000010 #define DISPC_CONTROL_GOLCD 0x00000020 #define DISPC_CONTROL_GODIGITAL 0x00000040 #define DISPC_CONTROL_TFTDITHEREN 0x00000080 #define DISPC_CONTROL_TFTDATALINES_12 0x00000000 #define DISPC_CONTROL_TFTDATALINES_16 0x00000100 #define DISPC_CONTROL_TFTDATALINES_18 0x00000200 #define DISPC_CONTROL_TFTDATALINES_24 0x00000300 #define DISPC_CONTROL_SECURE 0x00000400 #define DISPC_CONTROL_RFBIMODE 0x00000800 #define DISPC_CONTROL_OVERLAYOPT 0x00001000 #define DISPC_CONTROL_GPIN0 0x00002000 #define DISPC_CONTROL_GPIN1 0x00004000 #define DISPC_CONTROL_GPOUT0 0x00008000 #define DISPC_CONTROL_GPOUT1 0x00010000 #define DISPC_CONTROL_HT 0x00070000 #define DISPC_CONTROL_HT_s(x) ((x) << 17) #define DISPC_CONTROL_TDMENABLE 0x00100000 #define DISPC_CONTROL_TDMPARALLEL_8 0x00000000 #define DISPC_CONTROL_TDMPARALLEL_9 0x00200000 #define DISPC_CONTROL_TDMPARALLEL_12 0x00400000 #define DISPC_CONTROL_TDMPARALLEL_16 0x00600000 #define DISPC_CONTROL_TDMCYCLE_1 0x00000000 #define DISPC_CONTROL_TDMCYCLE_2 0x00800000 #define DISPC_CONTROL_TDMCYCLE_3 0x00000000 #define DISPC_CONTROL_TDMCYCLE_3_2 0x01800000 #define DISPC_CONTROL_TDMUNUSED_0 0x00000000 #define DISPC_CONTROL_TDMUNUSED_1 0x02000000 #define DISPC_CONTROL_TDMUNUSED_M 0x04000000 #define DISPC_CONFIG 0x0044 #define DISPC_CONFIG_PIXELGATED 0x00000001 #define DISPC_CONFIG_LOADMODE_PGE 0x00000000 #define DISPC_CONFIG_LOADMODE_PG 0x00000002 #define DISPC_CONFIG_LOADMODE_DATA 0x00000004 #define DISPC_CONFIG_LOADMODE_DATA_PG 0x00000006 #define DISPC_CONFIG_PALETTEGAMMA 0x00000008 #define DISPC_CONFIG_PIXELDATAGATED 0x00000010 #define DISPC_CONFIG_PIXELCLOCKGATED 0x00000020 #define DISPC_CONFIG_HSYNCGATED 0x00000040 #define DISPC_CONFIG_VSYNCGATED 0x00000080 #define DISPC_CONFIG_ACBIAGATED 0x00000100 #define DISPC_CONFIG_FUNCGATED 0x00000200 #define DISPC_CONFIG_TCKLCDEN 0x00000400 #define DISPC_CONFIG_TCKLCDSEL 0x00000800 #define DISPC_CONFIG_TCKDIGEN 0x00001000 #define DISPC_CONFIG_TCKDIGSEL 0x00002000 #define DISPC_CAPABLE 0x0048 #define DISPC_DEFAULT_COLOR0 0x004C #define DISPC_DEFAULT_COLOR1 0x0050 #define DISPC_TRANS_COLOR0 0x0054 #define DISPC_TRANS_COLOR1 0x0058 #define DISPC_LINE_STATUS 0x005C #define DISPC_LINE_NUMBER 0x0060 #define DISPC_TIMING_H 0x0064 #define DISPC_TIMING_H_HSW_s(x) ((x) << 0) #define DISPC_TIMING_H_HFP_s(x) ((x) << 8) #define DISPC_TIMING_H_HBP_s(x) ((x) << 20) #define DISPC_TIMING_V 0x0068 #define DISPC_TIMING_V_VSW_s(x) ((x) << 0) #define DISPC_TIMING_V_VFP_s(x) ((x) << 8) #define DISPC_TIMING_V_VBP_s(x) ((x) << 20) #define DISPC_POL_FREQ 0x006C #define DISPC_POL_FREQ_ACB_s(x) ((x) << 0) #define DISPC_POL_FREQ_ACBI_s(x) ((x) << 8) #define DISPC_POL_FREQ_IVS 0x00001000 #define DISPC_POL_FREQ_IHS 0x00002000 #define DISPC_POL_FREQ_IPC 0x00004000 #define DISPC_POL_FREQ_IEO 0x00008000 #define DISPC_POL_FREQ_RF 0x00010000 #define DISPC_POL_FREQ_ONOFF 0x00020000 #define DISPC_DIVISOR 0x0070 #define DISPC_DIVISOR_PCD_s(x) ((x) << 0) #define DISPC_DIVISOR_LCD_s(x) ((x) << 16) #define DISPC_SIZE_DIG 0x0078 #define DISPC_SIZE_DIG_PPL_s(x) ((x) << 0) #define DISPC_SIZE_DIG_LPP_s(x) ((x) << 16) #define DISPC_SIZE_LCD 0x007C #define DISPC_SIZE_LCD_PPL_s(x) ((x) << 0) #define DISPC_SIZE_LCD_LPP_s(x) ((x) << 16) #define DISPC_GFX_BA0 0x0080 #define DISPC_GFX_BA1 0x0084 #define DISPC_GFX_POSITION 0x0088 #define DISPC_GFX_SIZE 0x008C #define DISPC_GFX_SIZE_X_s(x) ((x) << 0) #define DISPC_GFX_SIZE_Y_s(x) ((x) << 16) #define DISPC_GFX_ATTRIBUTES 0x00A0 #define DISPC_GFX_ATTRIBUTES_GFXENABLE 0x001 #define DISPC_GFX_ATTRIBUTES_GFXFMT_1 0x000 #define DISPC_GFX_ATTRIBUTES_GFXFMT_2 0x002 #define DISPC_GFX_ATTRIBUTES_GFXFMT_4 0x004 #define DISPC_GFX_ATTRIBUTES_GFXFMT_8 0x006 #define DISPC_GFX_ATTRIBUTES_GFXFMT_12 0x008 #define DISPC_GFX_ATTRIBUTES_GFXFMT_16 0x00c #define DISPC_GFX_ATTRIBUTES_GFXFMT_24 0x010 #define DISPC_GFX_ATTRIBUTES_GFXREPLICATE 0x020 #define DISPC_GFX_ATTRIBUTES_BURST_4 0x000 #define DISPC_GFX_ATTRIBUTES_BURST_8 0x040 #define DISPC_GFX_ATTRIBUTES_BURST_16 0x080 #define DISPC_GFX_ATTRIBUTES_GFXCHANNELOUT 0x100 #define DISPC_GFX_ATTRIBUTES_NIBBLEMODE 0x200 #define DISPC_GFX_ATTRIBUTES_ENDIAN 0x400 #define DISPC_GFX_FIFO_THRESHOLD 0x00A4 #define DISPC_GFX_FIFO_THRESHOLD_HIGH_SHIFT 16 #define DISPC_GFX_FIFO_THRESHOLD_LOW_SHIFT 0 #define DISPC_GFX_FIFO_SIZE_STATUS 0x00A8 #define DISPC_GFX_ROW_INC 0x00AC #define DISPC_GFX_PIXEL_INC 0x00B0 #define DISPC_GFX_WINDOW_SKIP 0x00B4 #define DISPC_GFX_TABLE_BA 0x00B8 #define DISPC_VID1_BA0 0x00BC #define DISPC_VID1_BA1 0x00C0 #define DISPC_VID1_POSITION 0x00C4 #define DISPC_VID1_SIZE 0x00C8 #define DISPC_VID1_ATTRIBUTES 0x00CC #define DISPC_VID1_FIFO_THRESHOLD 0x00D0 #define DISPC_VID1_FIFO_SIZE_STATUS 0x00D4 #define DISPC_VID1_ROW_INC 0x00D8 #define DISPC_VID1_PIXEL_INC 0x00DC #define DISPC_VID1_FIR 0x00E0 #define DISPC_VID1_PICTURE_SIZE 0x00E4 #define DISPC_VID1_ACCU0 0x00E8 #define DISPC_VID1_ACCU1 0x00EC #define DISPC_VID1_FIR_COEF_H0 0x00F0 #define DISPC_VID1_FIR_COEF_H1 0x00F8 #define DISPC_VID1_FIR_COEF_H2 0x0100 #define DISPC_VID1_FIR_COEF_H3 0x0108 #define DISPC_VID1_FIR_COEF_H4 0x0110 #define DISPC_VID1_FIR_COEF_H5 0x0118 #define DISPC_VID1_FIR_COEF_H6 0x0120 #define DISPC_VID1_FIR_COEF_H7 0x0128 #define DISPC_VID1_FIR_COEF_HV0 0x00F4 #define DISPC_VID1_FIR_COEF_HV1 0x00FC #define DISPC_VID1_FIR_COEF_HV2 0x0104 #define DISPC_VID1_FIR_COEF_HV3 0x010C #define DISPC_VID1_FIR_COEF_HV4 0x0114 #define DISPC_VID1_FIR_COEF_HV5 0x011C #define DISPC_VID1_FIR_COEF_HV6 0x0124 #define DISPC_VID1_FIR_COEF_HV7 0x012C #define DISPC_VID1_CONV_COEF0 0x0130 #define DISPC_VID1_CONV_COEF1 0x0134 #define DISPC_VID1_CONV_COEF2 0x0138 #define DISPC_VID1_CONV_COEF3 0x013C #define DISPC_VID1_CONV_COEF4 0x0140 #define DISPC_VID2_BA0 0x014C #define DISPC_VID2_BA1 0x0150 #define DISPC_VID2_POSITION 0x0154 #define DISPC_VID2_SIZE 0x0158 #define DISPC_VID2_ATTRIBUTES 0x015C #define DISPC_VID2_FIFO_THRESHOLD 0x0160 #define DISPC_VID2_FIFO_SIZE_STATUS 0x0164 #define DISPC_VID2_ROW_INC 0x0168 #define DISPC_VID2_PIXEL_INC 0x016C #define DISPC_VID2_FIR 0x0170 #define DISPC_VID2_PICTURE_SIZE 0x0174 #define DISPC_VID2_ACCU0 0x0178 #define DISPC_VID2_ACCU1 0x017C #define DISPC_VID2_FIR_COEF_H0 0x0180 #define DISPC_VID2_FIR_COEF_H1 0x0188 #define DISPC_VID2_FIR_COEF_H2 0x0190 #define DISPC_VID2_FIR_COEF_H3 0x0198 #define DISPC_VID2_FIR_COEF_H4 0x01A0 #define DISPC_VID2_FIR_COEF_H5 0x01A8 #define DISPC_VID2_FIR_COEF_H6 0x01B0 #define DISPC_VID2_FIR_COEF_H7 0x01B8 #define DISPC_VID2_FIR_COEF_HV0 0x0184 #define DISPC_VID2_FIR_COEF_HV1 0x018C #define DISPC_VID2_FIR_COEF_HV2 0x0194 #define DISPC_VID2_FIR_COEF_HV3 0x019C #define DISPC_VID2_FIR_COEF_HV4 0x01A4 #define DISPC_VID2_FIR_COEF_HV5 0x01AC #define DISPC_VID2_FIR_COEF_HV6 0x01B4 #define DISPC_VID2_FIR_COEF_HV7 0x01BC #define DISPC_VID2_CONV_COEF0 0x01C0 #define DISPC_VID2_CONV_COEF1 0x01C4 #define DISPC_VID2_CONV_COEF2 0x01C8 #define DISPC_VID2_CONV_COEF3 0x01CC #define DISPC_VID2_CONV_COEF4 0x01D0 #define DISPC_DATA_CYCLE1 0x01D4 #define DISPC_DATA_CYCLE2 0x01D8 #define DISPC_DATA_CYCLE3 0x01DC #define DISPC_SIZE 0x0200 /* RFBI */ #define RFBI_REVISION 0x0000 #define RFBI_SYSCONFIG 0x0010 #define RFBI_SYSSTATUS 0x0014 #define RFBI_CONTROL 0x0040 #define RFBI_PIXEL_CNT 0x0044 #define RFBI_LINE_NUMBER 0x0048 #define RFBI_CMD 0x004C #define RFBI_PARAM 0x0050 #define RFBI_DATA 0x0054 #define RFBI_READ 0x0058 #define RFBI_STATUS 0x005C #define RFBI_CONFIG0 0x0060 #define RFBI_CONFIG1 0x0078 #define RFBI_ONOFF_TIME0 0x0064 #define RFBI_ONOFF_TIME1 0x007C #define RFBI_CYCLE_TIME0 0x0068 #define RFBI_CYCLE_TIME1 0x0080 #define RFBI_DATA_CYCLE1_0 0x006C #define RFBI_DATA_CYCLE1_1 0x0084 #define RFBI_DATA_CYCLE2_0 0x0070 #define RFBI_DATA_CYCLE2_1 0x0088 #define RFBI_DATA_CYCLE3_0 0x0074 #define RFBI_DATA_CYCLE3_1 0x008C #define RFBI_VSYNC_WIDTH 0x0090 #define RFBI_HSYNC_WIDTH 0x0094 /* VENC1 */ #define REV_ID 0x0000 #define STATUS 0x0004 #define F_CONTROL 0x0008 #define VIDOUT_CTRL 0x0010 #define SYNC_CTRL 0x0014 #define LLEN 0x001C #define FLENS 0x0020 #define HFLTR_CTRL 0x0024 #define CC_CARR_WSS_CARR 0x0028 #define C_PHASE 0x002C #define GAIN_U 0x0030 #define GAIN_V 0x0034 #define GAIN_Y 0x0038 #define BLACK_LEVEL 0x003C #define BLANK_LEVEL 0x0040 #define X_COLOR 0x0044 #define M_CONTROL 0x0048 #define BSTAMP_WSS_DATA 0x004C #define S_CARR 0x0050 #define LINE21 0x0054 #define LN_SEL 0x0058 #define L21_WC_CTL 0x005C #define HTRIGGER_VTRIGGER 0x0060 #define SAVID_EAVID 0x0064 #define FLEN_FAL 0x0068 #define LAL_PHASE_RESET 0x006C #define HS_INT_START_STOP_X 0x0070 #define HS_EXT_START_STOP_X 0x0074 #define VS_INT_START_X 0x0078 #define VS_INT_STOP_X_VS_INT_START_Y 0x007C #define VS_INT_STOP_Y_VS_EXT_START_X 0x0080 #define VS_EXT_STOP_X_VS_EXT_START_Y 0x0084 #define VS_EXT_STOP_Y 0x0088 #define AVID_START_STOP_X 0x0090 #define AVID_START_STOP_Y 0x0094 #define FID_INT_START_X_FID_INT_START_Y 0x00A0 #define FID_INT_OFFSET_Y_FID_EXT_START_X 0x00A4 #define FID_EXT_START_Y_FID_EXT_OFFSET_Y 0x00A8 #define TVDETGP_INT_START_STOP_X 0x00B0 #define TVDETGP_INT_START_STOP_Y 0x00B4 #define GEN_CTRL 0x00B8 #define DAC_TST_DAC_A 0x00C4 #define DAC_B_DAC_C 0x00C8 /* NO CONSOLE SUPPORT */ /* assumes 565 panel. */ struct omdisplay_panel_data { int width; int height; int horiz_sync_width; int horiz_front_porch; int horiz_back_porch; int vert_sync_width; int vert_front_porch; int vert_back_porch; int panel_flags; int sync; int depth; #define PANEL_SYNC_H_ACTIVE_HIGH 1 #define PANEL_SYNC_V_ACTIVE_HIGH 2 int linebytes; }; #define PIXELDEPTH 16 #define PIXELWIDTH 2 struct omdisplay_panel_data default_panel = { 240, /* Width */ 322, /* Height */ 9, 9, 19, /* horiz sync, fp, bp */ 1, 2, 2, /* vert sync, fp, bp */ 0, /* flags */ 0, /* sync */ PIXELDEPTH, 240*PIXELWIDTH }; struct omdisplay_screen { LIST_ENTRY(omdisplay_screen) link; /* Frame buffer */ bus_dmamap_t dma; bus_dma_segment_t segs[1]; int nsegs; size_t buf_size; size_t map_size; void *buf_va; int depth; /* rasterop */ struct rasops_info rinfo; }; struct omdisplay_softc { struct device sc_dev; bus_space_tag_t sc_iot; bus_space_handle_t sc_dsioh; bus_space_handle_t sc_dcioh; bus_space_handle_t sc_rfbioh; bus_space_handle_t sc_venioh; bus_dma_tag_t sc_dma_tag; void *sc_ih; int sc_nscreens; LIST_HEAD(,omdisplay_screen) sc_screens; struct omdisplay_panel_data *sc_geometry; struct omdisplay_screen *sc_active; }; int omdisplay_match(struct device *parent, void *v, void *aux); void omdisplay_attach(struct device *parent, struct device *self, void *args); int omdisplay_activate(struct device *, int); int omdisplay_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p); void omdisplay_burner(void *v, u_int on, u_int flags); int omdisplay_show_screen(void *v, void *cookie, int waitok, void (*cb)(void *, int, int), void *cbarg); int omdisplay_param(struct omdisplay_softc *sc, ulong cmd, struct wsdisplay_param *dp); int omdisplay_max_brightness(void); int omdisplay_get_brightness(void); void omdisplay_set_brightness(int newval); void omdisplay_set_brightness_internal(int newval); int omdisplay_get_backlight(void); void omdisplay_set_backlight(int on); void omdisplay_blank(int blank); void omdisplay_suspend(struct omdisplay_softc *sc); void omdisplay_resume(struct omdisplay_softc *sc); void omdisplay_initialize(struct omdisplay_softc *sc, struct omdisplay_panel_data *geom); void omdisplay_setup_rasops(struct omdisplay_softc *sc, struct rasops_info *rinfo); int omdisplay_alloc_screen(void *v, const struct wsscreen_descr *_type, void **cookiep, int *curxp, int *curyp, uint32_t *attrp); int omdisplay_new_screen(struct omdisplay_softc *sc, struct omdisplay_screen *scr, int depth); paddr_t omdisplay_mmap(void *v, off_t offset, int prot); int omdisplay_load_font(void *, void *, struct wsdisplay_font *); int omdisplay_list_font(void *, struct wsdisplay_font *); void omdisplay_free_screen(void *v, void *cookie); void omdisplay_start(struct omdisplay_softc *sc); void omdisplay_stop(struct omdisplay_softc *sc); int omdisplay_intr(void *v); const struct cfattach omdisplay_ca = { sizeof (struct omdisplay_softc), omdisplay_match, omdisplay_attach, NULL, omdisplay_activate }; struct cfdriver omdisplay_cd = { NULL, "omdisplay", DV_DULL }; struct wsdisplay_accessops omdisplay_accessops = { .ioctl = omdisplay_ioctl, .mmap = omdisplay_mmap, .alloc_screen = omdisplay_alloc_screen, .free_screen = omdisplay_free_screen, .show_screen = omdisplay_show_screen, .load_font = omdisplay_load_font, .list_font = omdisplay_list_font, .burn_screen = omdisplay_burner }; struct omdisplay_wsscreen_descr { struct wsscreen_descr c; /* standard descriptor */ int depth; /* bits per pixel */ int flags; /* rasops flags */ }; struct omdisplay_wsscreen_descr omdisplay_screen = { { "std" }, 16, /* bits per pixel */ 0 /* rotate */ }; const struct wsscreen_descr *omdisplay_scr_descr[] = { &omdisplay_screen.c }; /* XXX - what about flip phones with CLI */ const struct wsscreen_list omdisplay_screen_list = { sizeof omdisplay_scr_descr / sizeof omdisplay_scr_descr[0], omdisplay_scr_descr }; int omdisplay_match(struct device *parent, void *v, void *aux) { /* XXX */ return (1); } void omdisplay_attach(struct device *parent, struct device *self, void *args) { struct ahb_attach_args *aa = args; struct omdisplay_softc *sc = (struct omdisplay_softc *) self; struct wsemuldisplaydev_attach_args wsaa; sc->sc_iot = aa->aa_iot; if (bus_space_map(sc->sc_iot, aa->aa_addr, OMDISPLAY_SIZE, 0, &sc->sc_dsioh)) panic("omdisplay_attach: bus_space_map failed!"); if (bus_space_subregion(sc->sc_iot, sc->sc_dsioh, 0x400, 1024, &sc->sc_dcioh)) panic("omdisplay_attach: bus_space_submap failed!"); if (bus_space_subregion(sc->sc_iot, sc->sc_dsioh, 0x800, 1024, &sc->sc_rfbioh)) panic("omdisplay_attach: bus_space_submap failed!"); if (bus_space_subregion(sc->sc_iot, sc->sc_dsioh, 0xc00, 1024, &sc->sc_venioh)) panic("omdisplay_attach: bus_space_submap failed!"); sc->sc_nscreens = 0; LIST_INIT(&sc->sc_screens); sc->sc_dma_tag = aa->aa_dmat; sc->sc_ih = arm_intr_establish(aa->aa_intr, IPL_BIO /* XXX */, omdisplay_intr, sc, sc->sc_dev.dv_xname); printf ("\n"); sc->sc_geometry = &default_panel; { /* XXX - dummy? */ struct rasops_info dummy; omdisplay_initialize(sc, sc->sc_geometry); /* * Initialize a dummy rasops_info to compute fontsize and * the screen size in chars. */ bzero(&dummy, sizeof(dummy)); omdisplay_setup_rasops(sc, &dummy); } wsaa.console = 0; wsaa.scrdata = &omdisplay_screen_list; wsaa.accessops = &omdisplay_accessops; wsaa.accesscookie = sc; wsaa.defaultscreens = 0; (void)config_found(self, &wsaa, wsemuldisplaydevprint); /* backlight? */ } int omdisplay_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) { struct omdisplay_softc *sc = v; struct wsdisplay_fbinfo *wsdisp_info; struct omdisplay_screen *scr = sc->sc_active; int res = EINVAL; switch (cmd) { case WSDISPLAYIO_GETPARAM: case WSDISPLAYIO_SETPARAM: res = omdisplay_param(sc, cmd, (struct wsdisplay_param *)data); break; case WSDISPLAYIO_GTYPE: *(u_int *)data = WSDISPLAY_TYPE_PXALCD; /* XXX */ break; case WSDISPLAYIO_GINFO: wsdisp_info = (struct wsdisplay_fbinfo *)data; wsdisp_info->height = sc->sc_geometry->height; wsdisp_info->width = sc->sc_geometry->width; wsdisp_info->depth = 16; /* XXX */ if (scr != NULL) wsdisp_info->stride = scr->rinfo.r_stride; else wsdisp_info->stride = 0; wsdisp_info->offset = 0; wsdisp_info->cmsize = 0; break; case WSDISPLAYIO_GETCMAP: case WSDISPLAYIO_PUTCMAP: return EINVAL; /* XXX Colormap */ case WSDISPLAYIO_SVIDEO: case WSDISPLAYIO_GVIDEO: break; case WSDISPLAYIO_GCURPOS: case WSDISPLAYIO_SCURPOS: case WSDISPLAYIO_GCURMAX: case WSDISPLAYIO_GCURSOR: case WSDISPLAYIO_SCURSOR: default: return -1; /* not implemented */ case WSDISPLAYIO_LINEBYTES: if (scr != NULL) *(u_int *)data = scr->rinfo.ri_stride; else *(u_int *)data = 0; break; } if (res == EINVAL) res = omdisplay_ioctl(v, cmd, data, flag, p); return res; } void omdisplay_burner(void *v, u_int on, u_int flags) { omdisplay_set_brightness(on ? omdisplay_get_brightness() : 0); /* GPIO controls for appsliver */ if (on) { omgpio_set_bit(93); /* 1 enable backlight */ omgpio_set_dir(93, OMGPIO_DIR_OUT); omgpio_clear_bit(26); /* 0 enable LCD */ omgpio_set_dir(26, OMGPIO_DIR_OUT); } else { omgpio_clear_bit(93); /* 0 disable backlt */ omgpio_set_dir(93, OMGPIO_DIR_OUT); omgpio_set_bit(26); /* 1 disable LCD */ omgpio_set_dir(26, OMGPIO_DIR_OUT); } } int omdisplay_show_screen(void *v, void *cookie, int waitok, void (*cb)(void *, int, int), void *cbarg) { struct omdisplay_softc *sc = v; struct rasops_info *ri = cookie; struct omdisplay_screen *scr = ri->ri_hw, *old; old = sc->sc_active; if (old == scr) return 0; if (old != NULL) ; /* Stop old screen */ sc->sc_active = scr; omdisplay_initialize(sc, sc->sc_geometry); /* Turn on LCD */ omdisplay_burner(v, 1, 0); return (0); } /* * wsdisplay I/O controls */ int omdisplay_param(struct omdisplay_softc *sc, ulong cmd, struct wsdisplay_param *dp) { int res = EINVAL; switch (dp->param) { case WSDISPLAYIO_PARAM_BACKLIGHT: if (cmd == WSDISPLAYIO_GETPARAM) { dp->min = 0; dp->max = 1; dp->curval = omdisplay_get_backlight(); res = 0; } else if (cmd == WSDISPLAYIO_SETPARAM) { /* XXX */ // omdisplay_set_backlight(dp->curval); res = 0; } break; case WSDISPLAYIO_PARAM_CONTRAST: /* unsupported */ res = ENOTTY; break; case WSDISPLAYIO_PARAM_BRIGHTNESS: if (cmd == WSDISPLAYIO_GETPARAM) { dp->min = 1; dp->max = omdisplay_max_brightness(); dp->curval = omdisplay_get_brightness(); res = 0; } else if (cmd == WSDISPLAYIO_SETPARAM) { /* XXX */ // omdisplay_set_brightness(dp->curval); res = 0; } break; } return res; } /* * LCD backlight */ static int lcdbrightnesscurval = 1; static int lcdislit = 1; static int lcdisblank = 0; struct lcd_backlight { int duty; /* LZ9JG18 DAC value */ int cont; /* BACKLIGHT_CONT signal */ int on; /* BACKLIGHT_ON signal */ }; const struct lcd_backlight lcd_bl[] = { { 0x00, 0, 0 }, /* 0: Off */ { 0x00, 0, 1 }, /* 1: 0% */ { 0x01, 0, 1 }, /* 2: 20% */ { 0x07, 0, 1 }, /* 3: 40% */ { 0x01, 1, 1 }, /* 4: 60% */ { 0x07, 1, 1 }, /* 5: 80% */ { 0x11, 1, 1 }, /* 6: 100% */ { -1, -1, -1 } /* 7: Invalid */ }; #define CURRENT_BACKLIGHT lcd_bl int omdisplay_max_brightness(void) { int i; for (i = 0; CURRENT_BACKLIGHT[i].duty != -1; i++) ; return i - 1; } int omdisplay_get_brightness(void) { return lcdbrightnesscurval; } void omdisplay_set_brightness(int newval) { int max; max = omdisplay_max_brightness(); if (newval < 0) newval = 0; else if (newval > max) newval = max; if (omdisplay_get_backlight() && !lcdisblank) omdisplay_set_brightness_internal(newval); if (newval > 0) lcdbrightnesscurval = newval; } void omdisplay_set_brightness_internal(int newval) { static int curval = 1; int i; /* * It appears that the C3000 backlight can draw too much power if we * switch it from a low to a high brightness. Increasing brightness * in steps avoids this issue. */ if (newval > curval) { for (i = curval + 1; i <= newval; i++) { /* atlas controls */ /* CURRENT_BACKLIGHT[newval].duty); */ } } else { /* atlas controls */ /* CURRENT_BACKLIGHT[newval].duty); */ } curval = newval; } int omdisplay_get_backlight(void) { return lcdislit; } void omdisplay_set_backlight(int on) { if (!on) { omdisplay_set_brightness(0); lcdislit = 0; } else { lcdislit = 1; omdisplay_set_brightness(omdisplay_get_brightness()); } } void omdisplay_blank(int blank) { if (blank) { omdisplay_set_brightness(0); lcdisblank = 1; } else { lcdisblank = 0; omdisplay_set_brightness(omdisplay_get_brightness()); } } void omdisplay_suspend(struct omdisplay_softc *sc) { if (sc->sc_active != NULL) { omdisplay_stop(sc); /* XXX disable clocks */ } } void omdisplay_resume(struct omdisplay_softc *sc) { if (sc->sc_active != NULL) { /* XXX - clocks? */ omdisplay_initialize(sc, sc->sc_geometry); omdisplay_start(sc); } } void omdisplay_activate(struct device *self, int act) { struct omdisplay_softc *sc = (struct omdisplay_softc *)self; switch (act) { case DVACT_SUSPEND: omdisplay_set_brightness(0); omdisplay_suspend(sc); break; case DVACT_RESUME: omdisplay_resume(sc); omdisplay_set_brightness(omdisplay_get_brightness()); break; } return 0; } void omdisplay_initialize(struct omdisplay_softc *sc, struct omdisplay_panel_data *geom) { struct omdisplay_screen *scr; u_int32_t reg; u_int32_t mode; #if 0 int den, nom; /* pixel rate */ #endif reg = bus_space_read_4(sc->sc_iot, sc->sc_dcioh, DISPC_CONTROL); scr = sc->sc_active; if (reg & (DISPC_CONTROL_LCDENABLE|DISPC_CONTROL_DIGITALENABLE)) { omdisplay_stop(sc); } /* XXX - enable clocks */ /* disable all interrupts */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_IRQENABLE, 0); /* GPIOs ? */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_CONFIG, DISPC_CONFIG_LOADMODE_PG|DISPC_CONFIG_LOADMODE_DATA); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_DEFAULT_COLOR0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_DEFAULT_COLOR1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_TRANS_COLOR0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_TRANS_COLOR1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_LINE_NUMBER, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_DATA_CYCLE1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_DATA_CYCLE2, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_DATA_CYCLE3, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_SYSCONFIG, DISPC_SYSCONFIG_SIDLEMODE_NONE| DISPC_SYSCONFIG_MIDLEMODE_NONE); #if 0 if (geom->panel_flags & LCDPANEL_TDM) { nom = tdmflags >>8 & 0x3; den = tdmflags & 0x3; } else { nom = 1; den = 1; } hsync = geom->width*den/nom + geom->horiz_sync_width + geom->horiz_front_porch + geom->horiz_back_porch; #endif bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_TIMING_H, DISPC_TIMING_H_HSW_s(geom->horiz_sync_width) | DISPC_TIMING_H_HFP_s(geom->horiz_front_porch) | DISPC_TIMING_H_HBP_s(geom->horiz_back_porch)); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_TIMING_V, DISPC_TIMING_V_VSW_s(geom->vert_sync_width) | DISPC_TIMING_V_VFP_s(geom->vert_front_porch) | DISPC_TIMING_V_VBP_s(geom->vert_back_porch)); reg = 0; if (geom->sync & PANEL_SYNC_H_ACTIVE_HIGH) reg |= DISPC_POL_FREQ_IHS; if (geom->sync & PANEL_SYNC_V_ACTIVE_HIGH) reg |= DISPC_POL_FREQ_IVS; bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_POL_FREQ, reg); /* clkdiv = pixclock/period; */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_SIZE_LCD, DISPC_SIZE_LCD_PPL_s(geom->width-1) | DISPC_SIZE_LCD_LPP_s(geom->height-1)); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_SIZE_DIG, DISPC_SIZE_LCD_PPL_s(geom->width-1) | DISPC_SIZE_LCD_LPP_s(geom->height-1)); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_SIZE, DISPC_GFX_SIZE_X_s(geom->width-1) | DISPC_GFX_SIZE_Y_s(geom->height-1)); /* XXX!!! */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_DIVISOR, DISPC_DIVISOR_LCD_s(1) | DISPC_DIVISOR_PCD_s(6)); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_BA0, scr->segs[0].ds_addr); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_BA1, scr->segs[0].ds_addr); /* non-rotated */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_PIXEL_INC, 1); /* XXX 24bit -> 32 pixels */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_ROW_INC, 1 + scr->rinfo.ri_stride - (scr->rinfo.ri_width * scr->rinfo.ri_depth / 8)); switch (geom->depth) { case 1: mode = DISPC_GFX_ATTRIBUTES_GFXFMT_1; break; case 2: mode = DISPC_GFX_ATTRIBUTES_GFXFMT_2; break; case 4: mode = DISPC_GFX_ATTRIBUTES_GFXFMT_4; break; case 8: mode = DISPC_GFX_ATTRIBUTES_GFXFMT_8; break; case 12: mode = DISPC_GFX_ATTRIBUTES_GFXFMT_12; break; case 16: mode = DISPC_GFX_ATTRIBUTES_GFXFMT_16; break; case 24: mode = DISPC_GFX_ATTRIBUTES_GFXFMT_24; break; default: panic("invalid depth %d", geom->depth); } bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_ATTRIBUTES, DISPC_GFX_ATTRIBUTES_GFXENABLE | mode | DISPC_GFX_ATTRIBUTES_BURST_8); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_POSITION, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_WINDOW_SKIP, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_FIFO_THRESHOLD, (0xfc << DISPC_GFX_FIFO_THRESHOLD_HIGH_SHIFT) | (0xc0 << DISPC_GFX_FIFO_THRESHOLD_LOW_SHIFT)); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_ROW_INC, 1); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_PIXEL_INC, 1); /* DISPC_CONFIG_PALETTEGAMMA not enabled */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_GFX_TABLE_BA, scr->segs[0].ds_addr); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_BA0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_BA1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_SIZE, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_ATTRIBUTES, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIFO_THRESHOLD, 0xc00040); /* XXX */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIFO_SIZE_STATUS, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_ROW_INC, 1); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_PIXEL_INC, 1); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_PICTURE_SIZE, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_ACCU0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_ACCU1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_H0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_H1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_H2, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_H3, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_H4, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_H5, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_H6, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_H7, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_HV0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_HV1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_HV2, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_HV3, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_HV4, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_HV5, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_HV6, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_FIR_COEF_HV7, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_CONV_COEF0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_CONV_COEF1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_CONV_COEF2, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_CONV_COEF3, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID1_CONV_COEF4, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_BA0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_BA1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_SIZE, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_ATTRIBUTES, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIFO_THRESHOLD, 0xc00040); /* XXX */ bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIFO_SIZE_STATUS, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_ROW_INC, 1); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_PIXEL_INC, 1); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_PICTURE_SIZE, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_ACCU0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_ACCU1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_H0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_H1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_H2, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_H3, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_H4, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_H5, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_H6, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_H7, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_HV0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_HV1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_HV2, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_HV3, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_HV4, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_HV5, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_HV6, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_FIR_COEF_HV7, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_CONV_COEF0, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_CONV_COEF1, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_CONV_COEF2, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_CONV_COEF3, 0); bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_VID2_CONV_COEF4, 0); omdisplay_start(sc); } void omdisplay_setup_rasops(struct omdisplay_softc *sc, struct rasops_info *rinfo) { struct omdisplay_wsscreen_descr *descr; struct omdisplay_panel_data *geom; descr = &omdisplay_screen; geom = sc->sc_geometry; rinfo->ri_flg = descr->flags; rinfo->ri_depth = descr->depth; rinfo->ri_width = geom->width; rinfo->ri_height = geom->height; rinfo->ri_stride = geom->linebytes; /* pixel position */ if (descr->depth == 16) { rinfo->ri_rnum = 5; rinfo->ri_rpos = 11; rinfo->ri_gnum = 6; rinfo->ri_gpos = 5; rinfo->ri_bnum = 5; rinfo->ri_bpos = 0; } if (descr->c.nrows == 0) { /* get rasops to compute screen size the first time */ rasops_init(rinfo, 100, 100); } else { if (descr->flags != 0) /* rotate */ rasops_init(rinfo, descr->c.ncols, descr->c.nrows); else rasops_init(rinfo, descr->c.nrows, descr->c.ncols); } descr->c.nrows = rinfo->ri_rows; descr->c.ncols = rinfo->ri_cols; descr->c.capabilities = rinfo->ri_caps; descr->c.textops = &rinfo->ri_ops; } int omdisplay_alloc_screen(void *v, const struct wsscreen_descr *_type, void **cookiep, int *curxp, int *curyp, uint32_t *attrp) { struct omdisplay_softc *sc = v; struct omdisplay_screen *scr; struct rasops_info *ri; struct omdisplay_wsscreen_descr *type = (struct omdisplay_wsscreen_descr *)_type; int error; scr = malloc(sizeof *scr, M_DEVBUF, (cold ? M_NOWAIT : M_WAITOK)); if (scr == NULL) return (ENOMEM); error = omdisplay_new_screen(sc, scr, type->depth); if (error != 0) { free(scr, M_DEVBUF, 0); return (error); } /* * initialize raster operation for this screen. */ ri = &scr->rinfo; ri->ri_hw = (void *)scr; ri->ri_bits = scr->buf_va; omdisplay_setup_rasops(sc, ri); /* assumes 16 bpp */ ri->ri_ops.pack_attr(ri, 0, 0, 0, attrp); *cookiep = ri; *curxp = 0; *curyp = 0; return 0; } /* * Create and initialize a new screen buffer. */ int omdisplay_new_screen(struct omdisplay_softc *sc, struct omdisplay_screen *scr, int depth) { bus_space_tag_t iot; bus_space_handle_t ioh; bus_dma_tag_t dma_tag; struct omdisplay_panel_data *geometry; int width, height; bus_size_t size; int error, palette_size; int busdma_flag = (cold ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK); if (sc != NULL) { iot = sc->sc_iot; ioh = sc->sc_dcioh; dma_tag = sc->sc_dma_tag; geometry = sc->sc_geometry; } else { /* We are creating the console screen. */ #if 0 iot = omdisplay_console.iot; ioh = omdisplay_console.ioh; dma_tag = omdisplay_console.dma_tag; geometry = omdisplay_console.geometry; #endif } width = geometry->width; height = geometry->height; palette_size = 0; switch (depth) { case 1: case 2: case 4: case 8: palette_size = (1 << depth) * sizeof (uint16_t); /* FALLTHROUGH */ case 16: case 24: size = geometry->height * geometry->linebytes; break; default: printf("%s: Unknown depth (%d)\n", sc != NULL ? sc->sc_dev.dv_xname : "console", depth); return (EINVAL); } bzero(scr, sizeof *scr); scr->nsegs = 0; scr->depth = depth; scr->buf_size = size; scr->buf_va = NULL; size = roundup(size, 16); #if 0 + 3 * sizeof (struct lcd_dma_descriptor) + palette_size; #endif error = bus_dmamem_alloc(dma_tag, size, 0x100000, 0, scr->segs, 1, &(scr->nsegs), busdma_flag); if (error != 0 || scr->nsegs != 1) { /* XXX: Actually we can handle nsegs > 1 case by means of multiple DMA descriptors for a panel. It would make code here a bit hairy */ if (error == 0) error = E2BIG; goto bad; } error = bus_dmamem_map(dma_tag, scr->segs, scr->nsegs, size, (caddr_t *)&(scr->buf_va), busdma_flag | BUS_DMA_COHERENT); if (error != 0) goto bad; memset(scr->buf_va, 0, scr->buf_size); bcopy(splash, scr->buf_va, sizeof (splash) > scr->buf_size ? scr->buf_size : sizeof (splash)); /* map memory for DMA */ if (bus_dmamap_create(dma_tag, 1024 * 1024 * 2, 1, 1024 * 1024 * 2, 0, busdma_flag, &scr->dma)) goto bad; error = bus_dmamap_load(dma_tag, scr->dma, scr->buf_va, size, NULL, busdma_flag); if (error != 0) { goto bad; } scr->map_size = size; /* used when unmap this. */ if (sc != NULL) { LIST_INSERT_HEAD(&(sc->sc_screens), scr, link); sc->sc_nscreens++; } omdisplay_initialize(sc, geometry); return (0); bad: if (scr->buf_va) bus_dmamem_unmap(dma_tag, scr->buf_va, size); if (scr->nsegs) bus_dmamem_free(dma_tag, scr->segs, scr->nsegs); return (error); } paddr_t omdisplay_mmap(void *v, off_t offset, int prot) { struct omdisplay_softc *sc = v; struct omdisplay_screen *screen = sc->sc_active; /* ??? */ if ((offset & PAGE_MASK) != 0) return (-1); if (screen == NULL) return (-1); if (offset < 0 || offset >= screen->rinfo.ri_stride * screen->rinfo.ri_height) return (-1); return (bus_dmamem_mmap(sc->sc_dma_tag, screen->segs, screen->nsegs, offset, prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT)); } void omdisplay_free_screen(void *v, void *cookie) { struct omdisplay_softc *sc = v; struct rasops_info *ri = cookie; struct omdisplay_screen *scr = ri->ri_hw; LIST_REMOVE(scr, link); sc->sc_nscreens--; if (scr == sc->sc_active) { /* at first, we need to stop LCD DMA */ sc->sc_active = NULL; #ifdef DEBUG printf("lcd_free on active screen\n"); #endif omdisplay_stop(sc); } if (scr->buf_va) bus_dmamem_unmap(sc->sc_dma_tag, scr->buf_va, scr->map_size); if (scr->nsegs > 0) bus_dmamem_free(sc->sc_dma_tag, scr->segs, scr->nsegs); free(scr, M_DEVBUF, 0); } int omdisplay_load_font(void *v, void *emulcookie, struct wsdisplay_font *font) { struct omdisplay_softc *sc = v; struct omdisplay_screen *scr = sc->sc_active; if (scr == NULL) return ENXIO; return rasops_load_font(scr->rinfo, emulcookie, font); } int omdisplay_list_font(void *v, struct wsdisplay_font *font) { struct omdisplay_softc *sc = v; struct omdisplay_screen *scr = sc->sc_active; if (scr == NULL) return ENXIO; return rasops_list_font(scr->rinfo, font); } void omdisplay_start(struct omdisplay_softc *sc) { bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_CONTROL, DISPC_CONTROL_GPOUT0 | DISPC_CONTROL_GPOUT1 | DISPC_CONTROL_TFTDATALINES_18 /*XXX 18? */ | DISPC_CONTROL_STNTFT | DISPC_CONTROL_GOLCD | DISPC_CONTROL_LCDENABLE); } void omdisplay_stop(struct omdisplay_softc *sc) { bus_space_write_4(sc->sc_iot, sc->sc_dcioh, DISPC_CONTROL, bus_space_read_4(sc->sc_iot, sc->sc_dcioh, DISPC_CONTROL) & ~(DISPC_CONTROL_DIGITALENABLE|DISPC_CONTROL_LCDENABLE)); /* XXX - wait for end of frame? */ } int omdisplay_intr(void *v) { /* XXX */ return 1; }