pxafb: convert fb driver to use ioremap() and __raw_{readl, writel}

This is part of the effort moving peripheral registers outside of pxa-regs.h,
and using ioremap() make it possible the same IP can be re-used on different
processors with different registers space

As a result, the fixed mapping in pxa_map_io() is removed.

The regs-lcd.h can actually moved to where closer to pxafb.c but some of its
bit definitions are directly used by various platform code, though this is not
a good style.

Signed-off-by: eric miao <eric.miao@marvell.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 139 insertions, 0 deletions

diff --git a/include/asm-arm/arch-pxa/regs-lcd.h b/include/asm-arm/arch-pxa/regs-lcd.h
new file mode 100644
index 000000000000..f84dd47be28a
--- /dev/null
+++ b/include/asm-arm/arch-pxa/regs-lcd.h
@@ -0,0 +1,139 @@
+#ifndef __ASM_ARCH_REGS_LCD_H
+#define __ASM_ARCH_REGS_LCD_H
+/*
+ * LCD Controller Registers and Bits Definitions
+ */
+#define LCCR0           (0x000) /* LCD Controller Control Register 0 */
+#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 DFBR0           (0x020) /* DMA Channel 0 Frame Branch Register */
+#define DFBR1           (0x024) /* DMA Channel 1 Frame Branch Register */
+#define LCSR            (0x038) /* LCD Controller Status Register */
+#define LIIDR           (0x03C) /* LCD Controller Interrupt ID Register */
+#define TMEDRGBR        (0x040) /* TMED RGB Seed Register */
+#define TMEDCR          (0x044) /* TMED Control Register */
+
+#define LCCR3_1BPP      (0 << 24)
+#define LCCR3_2BPP      (1 << 24)
+#define LCCR3_4BPP      (2 << 24)
+#define LCCR3_8BPP      (3 << 24)
+#define LCCR3_16BPP     (4 << 24)
+
+#define LCCR3_PDFOR_0   (0 << 30)
+#define LCCR3_PDFOR_1   (1 << 30)
+#define LCCR3_PDFOR_2   (2 << 30)
+#define LCCR3_PDFOR_3   (3 << 30)
+
+#define LCCR4_PAL_FOR_0 (0 << 15)
+#define LCCR4_PAL_FOR_1 (1 << 15)
+#define LCCR4_PAL_FOR_2 (2 << 15)
+#define LCCR4_PAL_FOR_MASK      (3 << 15)
+
+#define FDADR0          (0x200) /* DMA Channel 0 Frame Descriptor Address Register */
+#define FSADR0          (0x204) /* DMA Channel 0 Frame Source Address Register */
+#define FIDR0           (0x208) /* DMA Channel 0 Frame ID Register */
+#define LDCMD0          (0x20C) /* DMA Channel 0 Command Register */
+#define FDADR1          (0x210) /* DMA Channel 1 Frame Descriptor Address Register */
+#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 LCCR0_ENB       (1 << 0)        /* LCD Controller enable */
+#define LCCR0_CMS       (1 << 1)        /* Color/Monochrome Display Select */
+#define LCCR0_Color     (LCCR0_CMS*0)   /*  Color display */
+#define LCCR0_Mono      (LCCR0_CMS*1)   /*  Monochrome display */
+#define LCCR0_SDS       (1 << 2)        /* Single/Dual Panel Display Select */
+#define LCCR0_Sngl      (LCCR0_SDS*0)   /*  Single panel display */
+#define LCCR0_Dual      (LCCR0_SDS*1)   /*  Dual panel display */
+
+#define LCCR0_LDM       (1 << 3)        /* LCD Disable Done Mask */
+#define LCCR0_SFM       (1 << 4)        /* Start of frame mask */
+#define LCCR0_IUM       (1 << 5)        /* Input FIFO underrun mask */
+#define LCCR0_EFM       (1 << 6)        /* End of Frame mask */
+#define LCCR0_PAS       (1 << 7)        /* Passive/Active display Select */
+#define LCCR0_Pas       (LCCR0_PAS*0)   /*  Passive display (STN) */
+#define LCCR0_Act       (LCCR0_PAS*1)   /*  Active display (TFT) */
+#define LCCR0_DPD       (1 << 9)        /* Double Pixel Data (monochrome) */
+#define LCCR0_4PixMono  (LCCR0_DPD*0)   /*  4-Pixel/clock Monochrome display */
+#define LCCR0_8PixMono  (LCCR0_DPD*1)   /*  8-Pixel/clock Monochrome display */
+#define LCCR0_DIS       (1 << 10)       /* LCD Disable */
+#define LCCR0_QDM       (1 << 11)       /* LCD Quick Disable mask */
+#define LCCR0_PDD       (0xff << 12)    /* Palette DMA request delay */
+#define LCCR0_PDD_S     12
+#define LCCR0_BM        (1 << 20)       /* Branch mask */
+#define LCCR0_OUM       (1 << 21)       /* Output FIFO underrun mask */
+#define LCCR0_LCDT      (1 << 22)       /* LCD panel type */
+#define LCCR0_RDSTM     (1 << 23)       /* Read status interrupt mask */
+#define LCCR0_CMDIM     (1 << 24)       /* Command interrupt mask */
+#define LCCR0_OUC       (1 << 25)       /* Overlay Underlay control bit */
+#define LCCR0_LDDALT    (1 << 26)       /* LDD alternate mapping control */
+
+#define LCCR1_PPL       Fld (10, 0)     /* Pixels Per Line - 1 */
+#define LCCR1_DisWdth(Pixel)    (((Pixel) - 1) << FShft (LCCR1_PPL))
+
+#define LCCR1_HSW       Fld (6, 10)     /* Horizontal Synchronization */
+#define LCCR1_HorSnchWdth(Tpix) (((Tpix) - 1) << FShft (LCCR1_HSW))
+
+#define LCCR1_ELW       Fld (8, 16)     /* End-of-Line pixel clock Wait - 1 */
+#define LCCR1_EndLnDel(Tpix)    (((Tpix) - 1) << FShft (LCCR1_ELW))
+
+#define LCCR1_BLW       Fld (8, 24)     /* Beginning-of-Line pixel clock */
+#define LCCR1_BegLnDel(Tpix)    (((Tpix) - 1) << FShft (LCCR1_BLW))
+
+#define LCCR2_LPP       Fld (10, 0)     /* Line Per Panel - 1 */
+#define LCCR2_DisHght(Line)     (((Line) - 1) << FShft (LCCR2_LPP))
+
+#define LCCR2_VSW       Fld (6, 10)     /* Vertical Synchronization pulse - 1 */
+#define LCCR2_VrtSnchWdth(Tln)  (((Tln) - 1) << FShft (LCCR2_VSW))
+
+#define LCCR2_EFW       Fld (8, 16)     /* End-of-Frame line clock Wait */
+#define LCCR2_EndFrmDel(Tln)    ((Tln) << FShft (LCCR2_EFW))
+
+#define LCCR2_BFW       Fld (8, 24)     /* Beginning-of-Frame line clock */
+#define LCCR2_BegFrmDel(Tln)    ((Tln) << FShft (LCCR2_BFW))
+
+#define LCCR3_API       (0xf << 16)     /* AC Bias pin trasitions per interrupt */
+#define LCCR3_API_S     16
+#define LCCR3_VSP       (1 << 20)       /* vertical sync polarity */
+#define LCCR3_HSP       (1 << 21)       /* horizontal sync polarity */
+#define LCCR3_PCP       (1 << 22)       /* Pixel Clock Polarity (L_PCLK) */
+#define LCCR3_PixRsEdg  (LCCR3_PCP*0)   /*  Pixel clock Rising-Edge */
+#define LCCR3_PixFlEdg  (LCCR3_PCP*1)   /*  Pixel clock Falling-Edge */
+
+#define LCCR3_OEP       (1 << 23)       /* Output Enable Polarity */
+#define LCCR3_OutEnH    (LCCR3_OEP*0)   /*  Output Enable active High */
+#define LCCR3_OutEnL    (LCCR3_OEP*1)   /*  Output Enable active Low */
+
+#define LCCR3_DPC       (1 << 27)       /* double pixel clock mode */
+#define LCCR3_PCD       Fld (8, 0)      /* Pixel Clock Divisor */
+#define LCCR3_PixClkDiv(Div)    (((Div) << FShft (LCCR3_PCD)))
+
+#define LCCR3_BPP       Fld (3, 24)     /* Bit Per Pixel */
+#define LCCR3_Bpp(Bpp)  (((Bpp) << FShft (LCCR3_BPP)))
+
+#define LCCR3_ACB       Fld (8, 8)      /* AC Bias */
+#define LCCR3_Acb(Acb)  (((Acb) << FShft (LCCR3_ACB)))
+
+#define LCCR3_HorSnchH  (LCCR3_HSP*0)   /*  HSP Active High */
+#define LCCR3_HorSnchL  (LCCR3_HSP*1)   /*  HSP Active Low */
+
+#define LCCR3_VrtSnchH  (LCCR3_VSP*0)   /*  VSP Active High */
+#define LCCR3_VrtSnchL  (LCCR3_VSP*1)   /*  VSP Active Low */
+
+#define LCSR_LDD        (1 << 0)        /* LCD Disable Done */
+#define LCSR_SOF        (1 << 1)        /* Start of frame */
+#define LCSR_BER        (1 << 2)        /* Bus error */
+#define LCSR_ABC        (1 << 3)        /* AC Bias count */
+#define LCSR_IUL        (1 << 4)        /* input FIFO underrun Lower panel */
+#define LCSR_IUU        (1 << 5)        /* input FIFO underrun Upper panel */
+#define LCSR_OU         (1 << 6)        /* output FIFO underrun */
+#define LCSR_QD         (1 << 7)        /* quick disable */
+#define LCSR_EOF        (1 << 8)        /* end of frame */
+#define LCSR_BS         (1 << 9)        /* branch status */
+#define LCSR_SINT       (1 << 10)       /* subsequent interrupt */
+
+#define LDCMD_PAL       (1 << 26)       /* instructs DMA to load palette buffer */
+
+#endif /* __ASM_ARCH_REGS_LCD_H */