target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.h

   1 #ifndef __GLAMO_CORE_H
   2 #define __GLAMO_CORE_H
   3
   4 #include <asm/system.h>
   5 #include <linux/mfd/glamo.h>
   6
   7 /* for the time being, we put the on-screen framebuffer into the lowest
   8  * VRAM space.  This should make the code easily compatible with the various
   9  * 2MB/4MB/8MB variants of the Smedia chips */
  10 #define GLAMO_OFFSET_VRAM       0x800000
  11 #define GLAMO_OFFSET_FB (GLAMO_OFFSET_VRAM)
  12
  13 /* we only allocate the minimum possible size for the framebuffer to make
  14  * sure we have sufficient memory for other functions of the chip */
  15 //#define GLAMO_FB_SIZE (640*480*4)     /* == 0x12c000 */
  16 #define GLAMO_INTERNAL_RAM_SIZE 0x800000
  17 #define GLAMO_MMC_BUFFER_SIZE (64 * 1024)
  18 #define GLAMO_FB_SIZE   (GLAMO_INTERNAL_RAM_SIZE - GLAMO_MMC_BUFFER_SIZE)
  19
  20 enum glamo_pll {
  21     GLAMO_PLL1,
  22     GLAMO_PLL2,
  23 };
  24
  25 struct glamo_core {
  26         int irq;
  27         int irq_works; /* 0 means PCB does not support Glamo IRQ */
  28         struct resource *mem;
  29         struct resource *mem_core;
  30         void __iomem *base;
  31         struct platform_device *pdev;
  32         struct glamo_platform_data *pdata;
  33         u_int16_t type;
  34         u_int16_t revision;
  35         spinlock_t lock;
  36         u32 engine_enabled_bitfield;
  37         u32 engine_enabled_bitfield_suspend;
  38         int suspending;
  39 };
  40
  41 struct glamo_script {
  42         u_int16_t reg;
  43         u_int16_t val;
  44 };
  45
  46 void glamo_engine_div_enable(struct glamo_core *glamo, enum glamo_engine engine);
  47 void glamo_engine_div_disable(struct glamo_core *glamo, enum glamo_engine engine);
  48
  49
  50 int glamo_pll_rate(struct glamo_core *glamo, enum glamo_pll pll);
  51
  52 int glamo_run_script(struct glamo_core *glamo,
  53                      const struct glamo_script *script, int len, int may_sleep);
  54
  55 int glamo_engine_enable(struct glamo_core *glamo, enum glamo_engine engine);
  56 int glamo_engine_disable(struct glamo_core *glamo, enum glamo_engine engine);
  57 void glamo_engine_reset(struct glamo_core *glamo, enum glamo_engine engine);
  58 int glamo_engine_reclock(struct glamo_core *glamo,
  59                          enum glamo_engine engine, int ps);
  60
  61 void glamo_engine_clkreg_set(struct glamo_core *glamo,
  62                              enum glamo_engine engine,
  63                              u_int16_t mask, u_int16_t val);
  64
  65 u_int16_t glamo_engine_clkreg_get(struct glamo_core *glamo,
  66                                   enum glamo_engine engine);
  67 #endif /* __GLAMO_CORE_H */