From 3c42a449107bf76c59b8e0b6a30d070e9696e49c Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Wed, 30 Apr 2008 00:52:26 -0700 Subject: pxafb: preliminary smart panel interface support Signed-off-by: Daniel Mack Signed-off-by: Eric Miao Cc: "Antonino A. Daplas" Cc: Russell King Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-arm/arch-pxa/pxafb.h | 26 +++++++++++++++++++++++--- include/asm-arm/arch-pxa/regs-lcd.h | 34 +++++++++++++++++++++++++++++++++- 2 files changed, 56 insertions(+), 4 deletions(-) (limited to 'include/asm-arm/arch-pxa') diff --git a/include/asm-arm/arch-pxa/pxafb.h b/include/asm-arm/arch-pxa/pxafb.h index 41a6c2297f9..bbd22396841 100644 --- a/include/asm-arm/arch-pxa/pxafb.h +++ b/include/asm-arm/arch-pxa/pxafb.h @@ -48,6 +48,7 @@ #define LCD_COLOR_DSTN_16BPP ((16 << 4) | LCD_TYPE_COLOR_DSTN) #define LCD_COLOR_TFT_16BPP ((16 << 4) | LCD_TYPE_COLOR_TFT) #define LCD_COLOR_TFT_18BPP ((18 << 4) | LCD_TYPE_COLOR_TFT) +#define LCD_SMART_PANEL_8BPP ((8 << 4) | LCD_TYPE_SMART_PANEL) #define LCD_SMART_PANEL_16BPP ((16 << 4) | LCD_TYPE_SMART_PANEL) #define LCD_SMART_PANEL_18BPP ((18 << 4) | LCD_TYPE_SMART_PANEL) @@ -69,6 +70,10 @@ struct pxafb_mode_info { u_short yres; u_char bpp; + u_int cmap_greyscale:1, + unused:31; + + /* Parallel Mode Timing */ u_char hsync_len; u_char left_margin; u_char right_margin; @@ -78,8 +83,20 @@ struct pxafb_mode_info { u_char lower_margin; u_char sync; - u_int cmap_greyscale:1, - unused:31; + /* Smart Panel Mode Timing - see PXA27x DM 7.4.15.0.3 for details + * Note: + * 1. all parameters in nanosecond (ns) + * 2. a0cs{rd,wr}_set_hld are controlled by the same register bits + * in pxa27x and pxa3xx, initialize them to the same value or + * the larger one will be used + * 3. same to {rd,wr}_pulse_width + */ + unsigned a0csrd_set_hld; /* A0 and CS Setup/Hold Time before/after L_FCLK_RD */ + unsigned a0cswr_set_hld; /* A0 and CS Setup/Hold Time before/after L_PCLK_WR */ + unsigned wr_pulse_width; /* L_PCLK_WR pulse width */ + unsigned rd_pulse_width; /* L_FCLK_RD pulse width */ + unsigned cmd_inh_time; /* Command Inhibit time between two writes */ + unsigned op_hold_time; /* Output Hold time from L_FCLK_RD negation */ }; struct pxafb_mach_info { @@ -123,8 +140,11 @@ struct pxafb_mach_info { u_int lccr4; void (*pxafb_backlight_power)(int); void (*pxafb_lcd_power)(int, struct fb_var_screeninfo *); - + void (*smart_update)(struct fb_info *); }; void set_pxa_fb_info(struct pxafb_mach_info *hard_pxa_fb_info); void set_pxa_fb_parent(struct device *parent_dev); unsigned long pxafb_get_hsync_time(struct device *dev); + +extern int pxafb_smart_queue(struct fb_info *info, uint16_t *cmds, int); +extern int pxafb_smart_flush(struct fb_info *info); diff --git a/include/asm-arm/arch-pxa/regs-lcd.h b/include/asm-arm/arch-pxa/regs-lcd.h index f84dd47be28..f762493f514 100644 --- a/include/asm-arm/arch-pxa/regs-lcd.h +++ b/include/asm-arm/arch-pxa/regs-lcd.h @@ -7,7 +7,8 @@ #define LCCR1 (0x004) /* LCD Controller Control Register 1 */ #define LCCR2 (0x008) /* LCD Controller Control Register 2 */ #define LCCR3 (0x00C) /* LCD Controller Control Register 3 */ -#define LCCR4 (0x010) /* LCD Controller Control Register 3 */ +#define LCCR4 (0x010) /* LCD Controller Control Register 4 */ +#define LCCR5 (0x014) /* LCD Controller Control Register 5 */ #define DFBR0 (0x020) /* DMA Channel 0 Frame Branch Register */ #define DFBR1 (0x024) /* DMA Channel 1 Frame Branch Register */ #define LCSR (0x038) /* LCD Controller Status Register */ @@ -15,6 +16,9 @@ #define TMEDRGBR (0x040) /* TMED RGB Seed Register */ #define TMEDCR (0x044) /* TMED Control Register */ +#define CMDCR (0x100) /* Command Control Register */ +#define PRSR (0x104) /* Panel Read Status Register */ + #define LCCR3_1BPP (0 << 24) #define LCCR3_2BPP (1 << 24) #define LCCR3_4BPP (2 << 24) @@ -39,6 +43,9 @@ #define FSADR1 (0x214) /* DMA Channel 1 Frame Source Address Register */ #define FIDR1 (0x218) /* DMA Channel 1 Frame ID Register */ #define LDCMD1 (0x21C) /* DMA Channel 1 Command Register */ +#define FDADR6 (0x260) /* DMA Channel 6 Frame Descriptor Address Register */ +#define FSADR6 (0x264) /* DMA Channel 6 Frame Source Address Register */ +#define FIDR6 (0x268) /* DMA Channel 6 Frame ID Register */ #define LCCR0_ENB (1 << 0) /* LCD Controller enable */ #define LCCR0_CMS (1 << 1) /* Color/Monochrome Display Select */ @@ -122,6 +129,11 @@ #define LCCR3_VrtSnchH (LCCR3_VSP*0) /* VSP Active High */ #define LCCR3_VrtSnchL (LCCR3_VSP*1) /* VSP Active Low */ +#define LCCR5_IUM(x) (1 << ((x) + 23)) /* input underrun mask */ +#define LCCR5_BSM(x) (1 << ((x) + 15)) /* branch mask */ +#define LCCR5_EOFM(x) (1 << ((x) + 7)) /* end of frame mask */ +#define LCCR5_SOFM(x) (1 << ((x) + 0)) /* start of frame mask */ + #define LCSR_LDD (1 << 0) /* LCD Disable Done */ #define LCSR_SOF (1 << 1) /* Start of frame */ #define LCSR_BER (1 << 2) /* Bus error */ @@ -133,7 +145,27 @@ #define LCSR_EOF (1 << 8) /* end of frame */ #define LCSR_BS (1 << 9) /* branch status */ #define LCSR_SINT (1 << 10) /* subsequent interrupt */ +#define LCSR_RD_ST (1 << 11) /* read status */ +#define LCSR_CMD_INT (1 << 12) /* command interrupt */ #define LDCMD_PAL (1 << 26) /* instructs DMA to load palette buffer */ +/* smartpanel related */ +#define PRSR_DATA(x) ((x) & 0xff) /* Panel Data */ +#define PRSR_A0 (1 << 8) /* Read Data Source */ +#define PRSR_ST_OK (1 << 9) /* Status OK */ +#define PRSR_CON_NT (1 << 10) /* Continue to Next Command */ + +#define SMART_CMD_A0 (0x1 << 8) +#define SMART_CMD_READ_STATUS_REG (0x0 << 9) +#define SMART_CMD_READ_FRAME_BUFFER ((0x0 << 9) | SMART_CMD_A0) +#define SMART_CMD_WRITE_COMMAND (0x1 << 9) +#define SMART_CMD_WRITE_DATA ((0x1 << 9) | SMART_CMD_A0) +#define SMART_CMD_WRITE_FRAME ((0x2 << 9) | SMART_CMD_A0) +#define SMART_CMD_WAIT_FOR_VSYNC (0x3 << 9) +#define SMART_CMD_NOOP (0x4 << 9) +#define SMART_CMD_INTERRUPT (0x5 << 9) + +#define SMART_CMD(x) (SMART_CMD_WRITE_COMMAND | ((x) & 0xff)) +#define SMART_DAT(x) (SMART_CMD_WRITE_DATA | ((x) & 0xff)) #endif /* __ASM_ARCH_REGS_LCD_H */ -- cgit v1.2.3