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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DDK750_CHIP_H__
#define DDK750_CHIP_H__
#define DEFAULT_INPUT_CLOCK 14318181 /* Default reference clock */
#ifndef SM750LE_REVISION_ID
#define SM750LE_REVISION_ID ((unsigned char)0xfe)
#endif
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/uaccess.h>
extern void __iomem *mmio750;
/* software control endianness */
static inline u32 peek32(u32 addr)
{
return readl(addr + mmio750);
}
static inline void poke32(u32 data, u32 addr)
{
writel(data, addr + mmio750);
}
/* This is all the chips recognized by this library */
typedef enum _logical_chip_type_t {
SM_UNKNOWN,
SM718,
SM750,
SM750LE,
}
logical_chip_type_t;
typedef enum _clock_type_t {
MXCLK_PLL,
PRIMARY_PLL,
SECONDARY_PLL,
VGA0_PLL,
VGA1_PLL,
}
clock_type_t;
struct pll_value {
clock_type_t clockType;
unsigned long inputFreq; /* Input clock frequency to the PLL */
/* Use this when clockType = PANEL_PLL */
unsigned long M;
unsigned long N;
unsigned long OD;
unsigned long POD;
};
/* input struct to initChipParam() function */
struct initchip_param {
/* Use power mode 0 or 1 */
unsigned short powerMode;
/*
* Speed of main chip clock in MHz unit
* 0 = keep the current clock setting
* Others = the new main chip clock
*/
unsigned short chipClock;
/*
* Speed of memory clock in MHz unit
* 0 = keep the current clock setting
* Others = the new memory clock
*/
unsigned short memClock;
/*
* Speed of master clock in MHz unit
* 0 = keep the current clock setting
* Others = the new master clock
*/
unsigned short masterClock;
/*
* 0 = leave all engine state untouched.
* 1 = make sure they are off: 2D, Overlay,
* video alpha, alpha, hardware cursors
*/
unsigned short setAllEngOff;
/*
* 0 = Do not reset the memory controller
* 1 = Reset the memory controller
*/
unsigned char resetMemory;
/* More initialization parameter can be added if needed */
};
logical_chip_type_t sm750_get_chip_type(void);
void sm750_set_chip_type(unsigned short devId, u8 revId);
unsigned int sm750_calc_pll_value(unsigned int request, struct pll_value *pll);
unsigned int sm750_format_pll_reg(struct pll_value *pPLL);
unsigned int ddk750_get_vm_size(void);
int ddk750_init_hw(struct initchip_param *pinit_param);
#endif
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