xref: /openbmc/linux/drivers/video/fbdev/mb862xx/mb862xxfb.h (revision 8dd06ef34b6e2f41b29fbf5fc1663780f2524285)
1  /* SPDX-License-Identifier: GPL-2.0 */
2  #ifndef __MB862XX_H__
3  #define __MB862XX_H__
4  
5  struct mb862xx_l1_cfg {
6  	unsigned short sx;
7  	unsigned short sy;
8  	unsigned short sw;
9  	unsigned short sh;
10  	unsigned short dx;
11  	unsigned short dy;
12  	unsigned short dw;
13  	unsigned short dh;
14  	int mirror;
15  };
16  
17  #define MB862XX_BASE		'M'
18  #define MB862XX_L1_GET_CFG	_IOR(MB862XX_BASE, 0, struct mb862xx_l1_cfg*)
19  #define MB862XX_L1_SET_CFG	_IOW(MB862XX_BASE, 1, struct mb862xx_l1_cfg*)
20  #define MB862XX_L1_ENABLE	_IOW(MB862XX_BASE, 2, int)
21  #define MB862XX_L1_CAP_CTL	_IOW(MB862XX_BASE, 3, int)
22  
23  #ifdef __KERNEL__
24  
25  #define PCI_VENDOR_ID_FUJITSU_LIMITED	0x10cf
26  #define PCI_DEVICE_ID_FUJITSU_CORALP	0x2019
27  #define PCI_DEVICE_ID_FUJITSU_CORALPA	0x201e
28  #define PCI_DEVICE_ID_FUJITSU_CARMINE	0x202b
29  
30  #define GC_MMR_CORALP_EVB_VAL		0x11d7fa13
31  
32  enum gdctype {
33  	BT_NONE,
34  	BT_LIME,
35  	BT_MINT,
36  	BT_CORAL,
37  	BT_CORALP,
38  	BT_CARMINE,
39  };
40  
41  struct mb862xx_gc_mode {
42  	struct fb_videomode	def_mode;	/* mode of connected display */
43  	unsigned int		def_bpp;	/* default depth */
44  	unsigned long		max_vram;	/* connected SDRAM size */
45  	unsigned long		ccf;		/* gdc clk */
46  	unsigned long		mmr;		/* memory mode for SDRAM */
47  };
48  
49  /* private data */
50  struct mb862xxfb_par {
51  	struct fb_info		*info;		/* fb info head */
52  	struct device		*dev;
53  	struct pci_dev		*pdev;
54  	struct resource		*res;		/* framebuffer/mmio resource */
55  
56  	resource_size_t		fb_base_phys;	/* fb base, 36-bit PPC440EPx */
57  	resource_size_t		mmio_base_phys;	/* io base addr */
58  	void __iomem		*fb_base;	/* remapped framebuffer */
59  	void __iomem		*mmio_base;	/* remapped registers */
60  	size_t			mapped_vram;	/* length of remapped vram */
61  	size_t			mmio_len;	/* length of register region */
62  	unsigned long		cap_buf;	/* capture buffers offset */
63  	size_t			cap_len;	/* length of capture buffers */
64  
65  	void __iomem		*host;		/* relocatable reg. bases */
66  	void __iomem		*i2c;
67  	void __iomem		*disp;
68  	void __iomem		*disp1;
69  	void __iomem		*cap;
70  	void __iomem		*cap1;
71  	void __iomem		*draw;
72  	void __iomem		*geo;
73  	void __iomem		*pio;
74  	void __iomem		*ctrl;
75  	void __iomem		*dram_ctrl;
76  	void __iomem		*wrback;
77  
78  	unsigned int		irq;
79  	unsigned int		type;		/* GDC type */
80  	unsigned int		refclk;		/* disp. reference clock */
81  	struct mb862xx_gc_mode	*gc_mode;	/* GDC mode init data */
82  	int			pre_init;	/* don't init display if 1 */
83  	struct i2c_adapter	*adap;		/* GDC I2C bus adapter */
84  	int			i2c_rs;
85  
86  	struct mb862xx_l1_cfg	l1_cfg;
87  	int			l1_stride;
88  
89  	u32			pseudo_palette[16];
90  };
91  
92  extern void mb862xxfb_init_accel(struct fb_info *info, struct fb_ops *fbops, int xres);
93  #ifdef CONFIG_FB_MB862XX_I2C
94  extern int mb862xx_i2c_init(struct mb862xxfb_par *par);
95  extern void mb862xx_i2c_exit(struct mb862xxfb_par *par);
96  #else
mb862xx_i2c_init(struct mb862xxfb_par * par)97  static inline int mb862xx_i2c_init(struct mb862xxfb_par *par) { return 0; }
mb862xx_i2c_exit(struct mb862xxfb_par * par)98  static inline void mb862xx_i2c_exit(struct mb862xxfb_par *par) { }
99  #endif
100  
101  #if defined(CONFIG_FB_MB862XX_LIME) && defined(CONFIG_FB_MB862XX_PCI_GDC)
102  #error	"Select Lime GDC or CoralP/Carmine support, but not both together"
103  #endif
104  #if defined(CONFIG_FB_MB862XX_LIME)
105  #define gdc_read	__raw_readl
106  #define gdc_write	__raw_writel
107  #else
108  #define gdc_read	readl
109  #define gdc_write	writel
110  #endif
111  
112  #define inreg(type, off)	\
113  	gdc_read((par->type + (off)))
114  
115  #define outreg(type, off, val)	\
116  	gdc_write((val), (par->type + (off)))
117  
118  #define pack(a, b)	(((a) << 16) | (b))
119  
120  #endif /* __KERNEL__ */
121  
122  #endif
123