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Diffstat (limited to '')
| -rw-r--r-- | drivers/video/fbdev/au1100fb.h | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/drivers/video/fbdev/au1100fb.h b/drivers/video/fbdev/au1100fb.h new file mode 100644 index 000000000..79f404872 --- /dev/null +++ b/drivers/video/fbdev/au1100fb.h @@ -0,0 +1,379 @@ +/* + * BRIEF MODULE DESCRIPTION + * Hardware definitions for the Au1100 LCD controller + * + * Copyright 2002 MontaVista Software + * Copyright 2002 Alchemy Semiconductor + * Author: Alchemy Semiconductor, MontaVista Software + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _AU1100LCD_H +#define _AU1100LCD_H + +#include <asm/mach-au1x00/au1000.h> + +#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) +#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg) +#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg) + +#if DEBUG +#define print_dbg(f, arg...) printk(__FILE__ ": " f "\n", ## arg) +#else +#define print_dbg(f, arg...) do {} while (0) +#endif + +#if defined(__BIG_ENDIAN) +#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11 +#else +#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00 +#endif +#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565 + +/********************************************************************/ + +/* LCD controller restrictions */ +#define AU1100_LCD_MAX_XRES 800 +#define AU1100_LCD_MAX_YRES 600 +#define AU1100_LCD_MAX_BPP 16 +#define AU1100_LCD_MAX_CLK 48000000 +#define AU1100_LCD_NBR_PALETTE_ENTRIES 256 + +/* Default number of visible screen buffer to allocate */ +#define AU1100FB_NBR_VIDEO_BUFFERS 4 + +/********************************************************************/ + +struct au1100fb_panel +{ + const char name[25]; /* Full name <vendor>_<model> */ + + u32 control_base; /* Mode-independent control values */ + u32 clkcontrol_base; /* Panel pixclock preferences */ + + u32 horztiming; + u32 verttiming; + + u32 xres; /* Maximum horizontal resolution */ + u32 yres; /* Maximum vertical resolution */ + u32 bpp; /* Maximum depth supported */ +}; + +struct au1100fb_regs +{ + u32 lcd_control; + u32 lcd_intstatus; + u32 lcd_intenable; + u32 lcd_horztiming; + u32 lcd_verttiming; + u32 lcd_clkcontrol; + u32 lcd_dmaaddr0; + u32 lcd_dmaaddr1; + u32 lcd_words; + u32 lcd_pwmdiv; + u32 lcd_pwmhi; + u32 reserved[(0x0400-0x002C)/4]; + u32 lcd_palettebase[256]; +}; + +struct au1100fb_device { + + struct fb_info info; /* FB driver info record */ + + struct au1100fb_panel *panel; /* Panel connected to this device */ + + struct au1100fb_regs* regs; /* Registers memory map */ + size_t regs_len; + unsigned int regs_phys; + + unsigned char* fb_mem; /* FrameBuffer memory map */ + size_t fb_len; + dma_addr_t fb_phys; + int panel_idx; + struct clk *lcdclk; + struct device *dev; +}; + +/********************************************************************/ + +#define LCD_CONTROL (AU1100_LCD_BASE + 0x0) + #define LCD_CONTROL_SBB_BIT 21 + #define LCD_CONTROL_SBB_MASK (0x3 << LCD_CONTROL_SBB_BIT) + #define LCD_CONTROL_SBB_1 (0 << LCD_CONTROL_SBB_BIT) + #define LCD_CONTROL_SBB_2 (1 << LCD_CONTROL_SBB_BIT) + #define LCD_CONTROL_SBB_3 (2 << LCD_CONTROL_SBB_BIT) + #define LCD_CONTROL_SBB_4 (3 << LCD_CONTROL_SBB_BIT) + #define LCD_CONTROL_SBPPF_BIT 18 + #define LCD_CONTROL_SBPPF_MASK (0x7 << LCD_CONTROL_SBPPF_BIT) + #define LCD_CONTROL_SBPPF_655 (0 << LCD_CONTROL_SBPPF_BIT) + #define LCD_CONTROL_SBPPF_565 (1 << LCD_CONTROL_SBPPF_BIT) + #define LCD_CONTROL_SBPPF_556 (2 << LCD_CONTROL_SBPPF_BIT) + #define LCD_CONTROL_SBPPF_1555 (3 << LCD_CONTROL_SBPPF_BIT) + #define LCD_CONTROL_SBPPF_5551 (4 << LCD_CONTROL_SBPPF_BIT) + #define LCD_CONTROL_WP (1<<17) + #define LCD_CONTROL_WD (1<<16) + #define LCD_CONTROL_C (1<<15) + #define LCD_CONTROL_SM_BIT 13 + #define LCD_CONTROL_SM_MASK (0x3 << LCD_CONTROL_SM_BIT) + #define LCD_CONTROL_SM_0 (0 << LCD_CONTROL_SM_BIT) + #define LCD_CONTROL_SM_90 (1 << LCD_CONTROL_SM_BIT) + #define LCD_CONTROL_SM_180 (2 << LCD_CONTROL_SM_BIT) + #define LCD_CONTROL_SM_270 (3 << LCD_CONTROL_SM_BIT) + #define LCD_CONTROL_DB (1<<12) + #define LCD_CONTROL_CCO (1<<11) + #define LCD_CONTROL_DP (1<<10) + #define LCD_CONTROL_PO_BIT 8 + #define LCD_CONTROL_PO_MASK (0x3 << LCD_CONTROL_PO_BIT) + #define LCD_CONTROL_PO_00 (0 << LCD_CONTROL_PO_BIT) + #define LCD_CONTROL_PO_01 (1 << LCD_CONTROL_PO_BIT) + #define LCD_CONTROL_PO_10 (2 << LCD_CONTROL_PO_BIT) + #define LCD_CONTROL_PO_11 (3 << LCD_CONTROL_PO_BIT) + #define LCD_CONTROL_MPI (1<<7) + #define LCD_CONTROL_PT (1<<6) + #define LCD_CONTROL_PC (1<<5) + #define LCD_CONTROL_BPP_BIT 1 + #define LCD_CONTROL_BPP_MASK (0x7 << LCD_CONTROL_BPP_BIT) + #define LCD_CONTROL_BPP_1 (0 << LCD_CONTROL_BPP_BIT) + #define LCD_CONTROL_BPP_2 (1 << LCD_CONTROL_BPP_BIT) + #define LCD_CONTROL_BPP_4 (2 << LCD_CONTROL_BPP_BIT) + #define LCD_CONTROL_BPP_8 (3 << LCD_CONTROL_BPP_BIT) + #define LCD_CONTROL_BPP_12 (4 << LCD_CONTROL_BPP_BIT) + #define LCD_CONTROL_BPP_16 (5 << LCD_CONTROL_BPP_BIT) + #define LCD_CONTROL_GO (1<<0) + +#define LCD_INTSTATUS (AU1100_LCD_BASE + 0x4) +#define LCD_INTENABLE (AU1100_LCD_BASE + 0x8) + #define LCD_INT_SD (1<<7) + #define LCD_INT_OF (1<<6) + #define LCD_INT_UF (1<<5) + #define LCD_INT_SA (1<<3) + #define LCD_INT_SS (1<<2) + #define LCD_INT_S1 (1<<1) + #define LCD_INT_S0 (1<<0) + +#define LCD_HORZTIMING (AU1100_LCD_BASE + 0xC) + #define LCD_HORZTIMING_HN2_BIT 24 + #define LCD_HORZTIMING_HN2_MASK (0xFF << LCD_HORZTIMING_HN2_BIT) + #define LCD_HORZTIMING_HN2_N(N) ((((N)-1) << LCD_HORZTIMING_HN2_BIT) & LCD_HORZTIMING_HN2_MASK) + #define LCD_HORZTIMING_HN1_BIT 16 + #define LCD_HORZTIMING_HN1_MASK (0xFF << LCD_HORZTIMING_HN1_BIT) + #define LCD_HORZTIMING_HN1_N(N) ((((N)-1) << LCD_HORZTIMING_HN1_BIT) & LCD_HORZTIMING_HN1_MASK) + #define LCD_HORZTIMING_HPW_BIT 10 + #define LCD_HORZTIMING_HPW_MASK (0x3F << LCD_HORZTIMING_HPW_BIT) + #define LCD_HORZTIMING_HPW_N(N) ((((N)-1) << LCD_HORZTIMING_HPW_BIT) & LCD_HORZTIMING_HPW_MASK) + #define LCD_HORZTIMING_PPL_BIT 0 + #define LCD_HORZTIMING_PPL_MASK (0x3FF << LCD_HORZTIMING_PPL_BIT) + #define LCD_HORZTIMING_PPL_N(N) ((((N)-1) << LCD_HORZTIMING_PPL_BIT) & LCD_HORZTIMING_PPL_MASK) + +#define LCD_VERTTIMING (AU1100_LCD_BASE + 0x10) + #define LCD_VERTTIMING_VN2_BIT 24 + #define LCD_VERTTIMING_VN2_MASK (0xFF << LCD_VERTTIMING_VN2_BIT) + #define LCD_VERTTIMING_VN2_N(N) ((((N)-1) << LCD_VERTTIMING_VN2_BIT) & LCD_VERTTIMING_VN2_MASK) + #define LCD_VERTTIMING_VN1_BIT 16 + #define LCD_VERTTIMING_VN1_MASK (0xFF << LCD_VERTTIMING_VN1_BIT) + #define LCD_VERTTIMING_VN1_N(N) ((((N)-1) << LCD_VERTTIMING_VN1_BIT) & LCD_VERTTIMING_VN1_MASK) + #define LCD_VERTTIMING_VPW_BIT 10 + #define LCD_VERTTIMING_VPW_MASK (0x3F << LCD_VERTTIMING_VPW_BIT) + #define LCD_VERTTIMING_VPW_N(N) ((((N)-1) << LCD_VERTTIMING_VPW_BIT) & LCD_VERTTIMING_VPW_MASK) + #define LCD_VERTTIMING_LPP_BIT 0 + #define LCD_VERTTIMING_LPP_MASK (0x3FF << LCD_VERTTIMING_LPP_BIT) + #define LCD_VERTTIMING_LPP_N(N) ((((N)-1) << LCD_VERTTIMING_LPP_BIT) & LCD_VERTTIMING_LPP_MASK) + +#define LCD_CLKCONTROL (AU1100_LCD_BASE + 0x14) + #define LCD_CLKCONTROL_IB (1<<18) + #define LCD_CLKCONTROL_IC (1<<17) + #define LCD_CLKCONTROL_IH (1<<16) + #define LCD_CLKCONTROL_IV (1<<15) + #define LCD_CLKCONTROL_BF_BIT 10 + #define LCD_CLKCONTROL_BF_MASK (0x1F << LCD_CLKCONTROL_BF_BIT) + #define LCD_CLKCONTROL_BF_N(N) ((((N)-1) << LCD_CLKCONTROL_BF_BIT) & LCD_CLKCONTROL_BF_MASK) + #define LCD_CLKCONTROL_PCD_BIT 0 + #define LCD_CLKCONTROL_PCD_MASK (0x3FF << LCD_CLKCONTROL_PCD_BIT) + #define LCD_CLKCONTROL_PCD_N(N) (((N) << LCD_CLKCONTROL_PCD_BIT) & LCD_CLKCONTROL_PCD_MASK) + +#define LCD_DMAADDR0 (AU1100_LCD_BASE + 0x18) +#define LCD_DMAADDR1 (AU1100_LCD_BASE + 0x1C) + #define LCD_DMA_SA_BIT 5 + #define LCD_DMA_SA_MASK (0x7FFFFFF << LCD_DMA_SA_BIT) + #define LCD_DMA_SA_N(N) ((N) & LCD_DMA_SA_MASK) + +#define LCD_WORDS (AU1100_LCD_BASE + 0x20) + #define LCD_WRD_WRDS_BIT 0 + #define LCD_WRD_WRDS_MASK (0xFFFFFFFF << LCD_WRD_WRDS_BIT) + #define LCD_WRD_WRDS_N(N) ((((N)-1) << LCD_WRD_WRDS_BIT) & LCD_WRD_WRDS_MASK) + +#define LCD_PWMDIV (AU1100_LCD_BASE + 0x24) + #define LCD_PWMDIV_EN (1<<12) + #define LCD_PWMDIV_PWMDIV_BIT 0 + #define LCD_PWMDIV_PWMDIV_MASK (0xFFF << LCD_PWMDIV_PWMDIV_BIT) + #define LCD_PWMDIV_PWMDIV_N(N) ((((N)-1) << LCD_PWMDIV_PWMDIV_BIT) & LCD_PWMDIV_PWMDIV_MASK) + +#define LCD_PWMHI (AU1100_LCD_BASE + 0x28) + #define LCD_PWMHI_PWMHI1_BIT 12 + #define LCD_PWMHI_PWMHI1_MASK (0xFFF << LCD_PWMHI_PWMHI1_BIT) + #define LCD_PWMHI_PWMHI1_N(N) (((N) << LCD_PWMHI_PWMHI1_BIT) & LCD_PWMHI_PWMHI1_MASK) + #define LCD_PWMHI_PWMHI0_BIT 0 + #define LCD_PWMHI_PWMHI0_MASK (0xFFF << LCD_PWMHI_PWMHI0_BIT) + #define LCD_PWMHI_PWMHI0_N(N) (((N) << LCD_PWMHI_PWMHI0_BIT) & LCD_PWMHI_PWMHI0_MASK) + +#define LCD_PALLETTEBASE (AU1100_LCD_BASE + 0x400) + #define LCD_PALLETTE_MONO_MI_BIT 0 + #define LCD_PALLETTE_MONO_MI_MASK (0xF << LCD_PALLETTE_MONO_MI_BIT) + #define LCD_PALLETTE_MONO_MI_N(N) (((N)<< LCD_PALLETTE_MONO_MI_BIT) & LCD_PALLETTE_MONO_MI_MASK) + + #define LCD_PALLETTE_COLOR_RI_BIT 8 + #define LCD_PALLETTE_COLOR_RI_MASK (0xF << LCD_PALLETTE_COLOR_RI_BIT) + #define LCD_PALLETTE_COLOR_RI_N(N) (((N)<< LCD_PALLETTE_COLOR_RI_BIT) & LCD_PALLETTE_COLOR_RI_MASK) + #define LCD_PALLETTE_COLOR_GI_BIT 4 + #define LCD_PALLETTE_COLOR_GI_MASK (0xF << LCD_PALLETTE_COLOR_GI_BIT) + #define LCD_PALLETTE_COLOR_GI_N(N) (((N)<< LCD_PALLETTE_COLOR_GI_BIT) & LCD_PALLETTE_COLOR_GI_MASK) + #define LCD_PALLETTE_COLOR_BI_BIT 0 + #define LCD_PALLETTE_COLOR_BI_MASK (0xF << LCD_PALLETTE_COLOR_BI_BIT) + #define LCD_PALLETTE_COLOR_BI_N(N) (((N)<< LCD_PALLETTE_COLOR_BI_BIT) & LCD_PALLETTE_COLOR_BI_MASK) + + #define LCD_PALLETTE_TFT_DC_BIT 0 + #define LCD_PALLETTE_TFT_DC_MASK (0xFFFF << LCD_PALLETTE_TFT_DC_BIT) + #define LCD_PALLETTE_TFT_DC_N(N) (((N)<< LCD_PALLETTE_TFT_DC_BIT) & LCD_PALLETTE_TFT_DC_MASK) + +/********************************************************************/ + +/* List of panels known to work with the AU1100 LCD controller. + * To add a new panel, enter the same specifications as the + * Generic_TFT one, and MAKE SURE that it doesn't conflicts + * with the controller restrictions. Restrictions are: + * + * STN color panels: max_bpp <= 12 + * STN mono panels: max_bpp <= 4 + * TFT panels: max_bpp <= 16 + * max_xres <= 800 + * max_yres <= 600 + */ +static struct au1100fb_panel known_lcd_panels[] = +{ + /* 800x600x16bpp CRT */ + [0] = { + .name = "CRT_800x600_16", + .xres = 800, + .yres = 600, + .bpp = 16, + .control_base = 0x0004886A | + LCD_CONTROL_DEFAULT_PO | LCD_CONTROL_DEFAULT_SBPPF | + LCD_CONTROL_BPP_16 | LCD_CONTROL_SBB_4, + .clkcontrol_base = 0x00020000, + .horztiming = 0x005aff1f, + .verttiming = 0x16000e57, + }, + /* just the standard LCD */ + [1] = { + .name = "WWPC LCD", + .xres = 240, + .yres = 320, + .bpp = 16, + .control_base = 0x0006806A, + .horztiming = 0x0A1010EF, + .verttiming = 0x0301013F, + .clkcontrol_base = 0x00018001, + }, + /* Sharp 320x240 TFT panel */ + [2] = { + .name = "Sharp_LQ038Q5DR01", + .xres = 320, + .yres = 240, + .bpp = 16, + .control_base = + ( LCD_CONTROL_SBPPF_565 + | LCD_CONTROL_C + | LCD_CONTROL_SM_0 + | LCD_CONTROL_DEFAULT_PO + | LCD_CONTROL_PT + | LCD_CONTROL_PC + | LCD_CONTROL_BPP_16 ), + .horztiming = + ( LCD_HORZTIMING_HN2_N(8) + | LCD_HORZTIMING_HN1_N(60) + | LCD_HORZTIMING_HPW_N(12) + | LCD_HORZTIMING_PPL_N(320) ), + .verttiming = + ( LCD_VERTTIMING_VN2_N(5) + | LCD_VERTTIMING_VN1_N(17) + | LCD_VERTTIMING_VPW_N(1) + | LCD_VERTTIMING_LPP_N(240) ), + .clkcontrol_base = LCD_CLKCONTROL_PCD_N(1), + }, + + /* Hitachi SP14Q005 and possibly others */ + [3] = { + .name = "Hitachi_SP14Qxxx", + .xres = 320, + .yres = 240, + .bpp = 4, + .control_base = + ( LCD_CONTROL_C + | LCD_CONTROL_BPP_4 ), + .horztiming = + ( LCD_HORZTIMING_HN2_N(1) + | LCD_HORZTIMING_HN1_N(1) + | LCD_HORZTIMING_HPW_N(1) + | LCD_HORZTIMING_PPL_N(320) ), + .verttiming = + ( LCD_VERTTIMING_VN2_N(1) + | LCD_VERTTIMING_VN1_N(1) + | LCD_VERTTIMING_VPW_N(1) + | LCD_VERTTIMING_LPP_N(240) ), + .clkcontrol_base = LCD_CLKCONTROL_PCD_N(4), + }, + + /* Generic 640x480 TFT panel */ + [4] = { + .name = "TFT_640x480_16", + .xres = 640, + .yres = 480, + .bpp = 16, + .control_base = 0x004806a | LCD_CONTROL_DEFAULT_PO, + .horztiming = 0x3434d67f, + .verttiming = 0x0e0e39df, + .clkcontrol_base = LCD_CLKCONTROL_PCD_N(1), + }, + + /* Pb1100 LCDB 640x480 PrimeView TFT panel */ + [5] = { + .name = "PrimeView_640x480_16", + .xres = 640, + .yres = 480, + .bpp = 16, + .control_base = 0x0004886a | LCD_CONTROL_DEFAULT_PO, + .horztiming = 0x0e4bfe7f, + .verttiming = 0x210805df, + .clkcontrol_base = 0x00038001, + }, +}; + +/********************************************************************/ + +/* Inline helpers */ + +#define panel_is_dual(panel) (panel->control_base & LCD_CONTROL_DP) +#define panel_is_active(panel)(panel->control_base & LCD_CONTROL_PT) +#define panel_is_color(panel) (panel->control_base & LCD_CONTROL_PC) +#define panel_swap_rgb(panel) (panel->control_base & LCD_CONTROL_CCO) + +#endif /* _AU1100LCD_H */ |