i.MX Framebuffer: Use readl/writel instead of direct pointer deref

This patch prepares the current i.MX1 framebuffer driver for usage in the
whole i.MX family. It switches to readl/writel for register accesses.
Also it moves the register definitions to the driver where they belong.

Acked-by: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/include/mach/imxfb.h b/arch/arm/mach-imx/include/mach/imxfb.h
index 3ed9ec8b9f0..3f24f741e90 100644
--- a/arch/arm/mach-imx/include/mach/imxfb.h
+++ b/arch/arm/mach-imx/include/mach/imxfb.h
@@ -1,6 +1,51 @@
 /*
  * This structure describes the machine which we are running on.
  */
+
+#define PCR_TFT         (1 << 31)
+#define PCR_COLOR       (1 << 30)
+#define PCR_PBSIZ_1     (0 << 28)
+#define PCR_PBSIZ_2     (1 << 28)
+#define PCR_PBSIZ_4     (2 << 28)
+#define PCR_PBSIZ_8     (3 << 28)
+#define PCR_BPIX_1      (0 << 25)
+#define PCR_BPIX_2      (1 << 25)
+#define PCR_BPIX_4      (2 << 25)
+#define PCR_BPIX_8      (3 << 25)
+#define PCR_BPIX_12     (4 << 25)
+#define PCR_BPIX_16     (4 << 25)
+#define PCR_PIXPOL      (1 << 24)
+#define PCR_FLMPOL      (1 << 23)
+#define PCR_LPPOL       (1 << 22)
+#define PCR_CLKPOL      (1 << 21)
+#define PCR_OEPOL       (1 << 20)
+#define PCR_SCLKIDLE    (1 << 19)
+#define PCR_END_SEL     (1 << 18)
+#define PCR_END_BYTE_SWAP (1 << 17)
+#define PCR_REV_VS      (1 << 16)
+#define PCR_ACD_SEL     (1 << 15)
+#define PCR_ACD(x)      (((x) & 0x7f) << 8)
+#define PCR_SCLK_SEL    (1 << 7)
+#define PCR_SHARP       (1 << 6)
+#define PCR_PCD(x)      ((x) & 0x3f)
+
+#define PWMR_CLS(x)     (((x) & 0x1ff) << 16)
+#define PWMR_LDMSK      (1 << 15)
+#define PWMR_SCR1       (1 << 10)
+#define PWMR_SCR0       (1 << 9)
+#define PWMR_CC_EN      (1 << 8)
+#define PWMR_PW(x)      ((x) & 0xff)
+
+#define LSCR1_PS_RISE_DELAY(x)    (((x) & 0x7f) << 26)
+#define LSCR1_CLS_RISE_DELAY(x)   (((x) & 0x3f) << 16)
+#define LSCR1_REV_TOGGLE_DELAY(x) (((x) & 0xf) << 8)
+#define LSCR1_GRAY2(x)            (((x) & 0xf) << 4)
+#define LSCR1_GRAY1(x)            (((x) & 0xf))
+
+#define DMACR_BURST     (1 << 31)
+#define DMACR_HM(x)     (((x) & 0xf) << 16)
+#define DMACR_TM(x)     ((x) & 0xf)
+
 struct imxfb_mach_info {
         u_long          pixclock;