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#ifndef __GLAMO_CORE_H
#define __GLAMO_CORE_H
#include <linux/mfd/glamo.h>
/* Amount of Glamo memory */
#define GLAMO_INTERNAL_RAM_SIZE 0x800000
/* Arbitrarily determined amount for the hardware cursor */
#define GLAMO_CURSOR_SIZE (4096)
#define GLAMO_MMC_BUFFER_SIZE (64 * 1024) /* 64k MMC buffer */
/* Remaining memory will be used for 2D and 3D graphics */
#define GLAMO_FB_SIZE (GLAMO_INTERNAL_RAM_SIZE \
- GLAMO_CURSOR_SIZE \
- GLAMO_MMC_BUFFER_SIZE)
/* A 640x480, 16bpp, double-buffered framebuffer */
#if (GLAMO_FB_SIZE < (640 * 480 * 4)) /* == 0x12c000 */
#error Not enough Glamo VRAM for framebuffer!
#endif
/* for the time being, we put the on-screen framebuffer into the lowest
* VRAM space. This should make the code easily compatible with the various
* 2MB/4MB/8MB variants of the Smedia chips
* glamo-fb.c assumes FB comes first, followed by cursor, so DON'T MOVE THEM
* (see glamo_regs[] in glamo-fb.c for more information) */
#define GLAMO_MEM_BASE (0x800000)
#define GLAMO_OFFSET_FB (0x000000)
#define GLAMO_OFFSET_CURSOR (GLAMO_OFFSET_FB + GLAMO_FB_SIZE)
#define GLAMO_OFFSET_MMC (GLAMO_OFFSET_CURSOR + GLAMO_CURSOR_SIZE)
enum glamo_pll {
GLAMO_PLL1,
GLAMO_PLL2,
};
enum glamo_engine_state {
GLAMO_ENGINE_DISABLED,
GLAMO_ENGINE_SUSPENDED,
GLAMO_ENGINE_ENABLED,
};
struct glamo_core {
int irq;
int irq_base;
int irq_works; /* 0 means PCB does not support Glamo IRQ */
struct resource *mem;
void __iomem *base;
struct platform_device *pdev;
struct glamo_platform_data *pdata;
enum glamo_engine_state engine_state[__NUM_GLAMO_ENGINES];
spinlock_t lock;
uint16_t saved_irq_mask;
};
struct glamo_script {
uint16_t reg;
uint16_t val;
};
int glamo_pll_rate(struct glamo_core *glamo, enum glamo_pll pll);
int glamo_engine_enable(struct glamo_core *glamo, enum glamo_engine engine);
int glamo_engine_suspend(struct glamo_core *glamo, enum glamo_engine engine);
int glamo_engine_disable(struct glamo_core *glamo, enum glamo_engine engine);
void glamo_engine_reset(struct glamo_core *glamo, enum glamo_engine engine);
int glamo_engine_reclock(struct glamo_core *glamo,
enum glamo_engine engine, int ps);
void glamo_reg_read_batch(struct glamo_core *glamo, uint16_t reg,
uint16_t count, uint16_t *values);
void glamo_reg_write_batch(struct glamo_core *glamo, uint16_t reg,
uint16_t count, uint16_t *values);
#endif /* __GLAMO_CORE_H */
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