diff options
Diffstat (limited to 'include/linux/mfd/glamo-core.h')
-rw-r--r-- | include/linux/mfd/glamo-core.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/linux/mfd/glamo-core.h b/include/linux/mfd/glamo-core.h new file mode 100644 index 00000000000..34ec7c4cdf4 --- /dev/null +++ b/include/linux/mfd/glamo-core.h @@ -0,0 +1,60 @@ +#ifndef __GLAMO_CORE_H +#define __GLAMO_CORE_H + +#include <linux/mfd/glamo.h> + +/* 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 */ +#define GLAMO_OFFSET_VRAM 0x800000 +#define GLAMO_OFFSET_FB (GLAMO_OFFSET_VRAM) + +/* we only allocate the minimum possible size for the framebuffer to make + * sure we have sufficient memory for other functions of the chip */ +/*#define GLAMO_FB_SIZE (640*480*4) *//* == 0x12c000 */ +#define GLAMO_INTERNAL_RAM_SIZE 0x800000 +#define GLAMO_MMC_BUFFER_SIZE (64 * 1024) +#define GLAMO_FB_SIZE (GLAMO_INTERNAL_RAM_SIZE - GLAMO_MMC_BUFFER_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; + 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 */ |