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