Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 368 insertions, 0 deletions

diff --git a/drivers/video/fbdev/aty/atyfb.h b/drivers/video/fbdev/aty/atyfb.h
new file mode 100644
index 000000000..d09bab3bf
--- /dev/null
+++ b/drivers/video/fbdev/aty/atyfb.h
@@ -0,0 +1,368 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *  ATI Frame Buffer Device Driver Core Definitions
+ */
+
+#include <linux/spinlock.h>
+#include <linux/wait.h>
+    /*
+     *  Elements of the hardware specific atyfb_par structure
+     */
+
+struct crtc {
+	u32 vxres;
+	u32 vyres;
+	u32 xoffset;
+	u32 yoffset;
+	u32 bpp;
+	u32 h_tot_disp;
+	u32 h_sync_strt_wid;
+	u32 v_tot_disp;
+	u32 v_sync_strt_wid;
+	u32 vline_crnt_vline;
+	u32 off_pitch;
+	u32 gen_cntl;
+	u32 dp_pix_width;	/* acceleration */
+	u32 dp_chain_mask;	/* acceleration */
+#ifdef CONFIG_FB_ATY_GENERIC_LCD
+	u32 horz_stretching;
+	u32 vert_stretching;
+	u32 ext_vert_stretch;
+	u32 shadow_h_tot_disp;
+	u32 shadow_h_sync_strt_wid;
+	u32 shadow_v_tot_disp;
+	u32 shadow_v_sync_strt_wid;
+	u32 lcd_gen_cntl;
+	u32 lcd_config_panel;
+	u32 lcd_index;
+#endif
+};
+
+struct aty_interrupt {
+	wait_queue_head_t wait;
+	unsigned int count;
+	int pan_display;
+};
+
+struct pll_info {
+	int pll_max;
+	int pll_min;
+	int sclk, mclk, mclk_pm, xclk;
+	int ref_div;
+	int ref_clk;
+	int ecp_max;
+};
+
+typedef struct {
+	u16 unknown1;
+	u16 PCLK_min_freq;
+	u16 PCLK_max_freq;
+	u16 unknown2;
+	u16 ref_freq;
+	u16 ref_divider;
+	u16 unknown3;
+	u16 MCLK_pwd;
+	u16 MCLK_max_freq;
+	u16 XCLK_max_freq;
+	u16 SCLK_freq;
+} __attribute__ ((packed)) PLL_BLOCK_MACH64;
+
+struct pll_514 {
+	u8 m;
+	u8 n;
+};
+
+struct pll_18818 {
+	u32 program_bits;
+	u32 locationAddr;
+	u32 period_in_ps;
+	u32 post_divider;
+};
+
+struct pll_ct {
+	u8 pll_ref_div;
+	u8 pll_gen_cntl;
+	u8 mclk_fb_div;
+	u8 mclk_fb_mult; /* 2 ro 4 */
+	u8 sclk_fb_div;
+	u8 pll_vclk_cntl;
+	u8 vclk_post_div;
+	u8 vclk_fb_div;
+	u8 pll_ext_cntl;
+	u8 ext_vpll_cntl;
+	u8 spll_cntl2;
+	u32 dsp_config; /* Mach64 GTB DSP */
+	u32 dsp_on_off; /* Mach64 GTB DSP */
+	u32 dsp_loop_latency;
+	u32 fifo_size;
+	u32 xclkpagefaultdelay;
+	u32 xclkmaxrasdelay;
+	u8 xclk_ref_div;
+	u8 xclk_post_div;
+	u8 mclk_post_div_real;
+	u8 xclk_post_div_real;
+	u8 vclk_post_div_real;
+	u8 features;
+#ifdef CONFIG_FB_ATY_GENERIC_LCD
+	u32 xres; /* use for LCD stretching/scaling */
+#endif
+};
+
+/*
+	for pll_ct.features
+*/
+#define DONT_USE_SPLL 0x1
+#define DONT_USE_XDLL 0x2
+#define USE_CPUCLK    0x4
+#define POWERDOWN_PLL 0x8
+
+union aty_pll {
+	struct pll_ct ct;
+	struct pll_514 ibm514;
+	struct pll_18818 ics2595;
+};
+
+    /*
+     *  The hardware parameters for each card
+     */
+
+struct atyfb_par {
+	u32 pseudo_palette[16];
+	struct { u8 red, green, blue; } palette[256];
+	const struct aty_dac_ops *dac_ops;
+	const struct aty_pll_ops *pll_ops;
+	void __iomem *ati_regbase;
+	unsigned long clk_wr_offset; /* meaning overloaded, clock id by CT */
+	struct crtc crtc;
+	union aty_pll pll;
+	struct pll_info pll_limits;
+	u32 features;
+	u32 ref_clk_per;
+	u32 pll_per;
+	u32 mclk_per;
+	u32 xclk_per;
+	u8 bus_type;
+	u8 ram_type;
+	u8 mem_refresh_rate;
+	u16 pci_id;
+	u32 accel_flags;
+	int blitter_may_be_busy;
+	int asleep;
+	int lock_blank;
+	unsigned long res_start;
+	unsigned long res_size;
+	struct pci_dev *pdev;
+#ifdef __sparc__
+	struct pci_mmap_map *mmap_map;
+	u8 mmaped;
+#endif
+	int open;
+#ifdef CONFIG_FB_ATY_GENERIC_LCD
+	unsigned long bios_base_phys;
+	unsigned long bios_base;
+	unsigned long lcd_table;
+	u16 lcd_width;
+	u16 lcd_height;
+	u32 lcd_pixclock;
+	u16 lcd_refreshrate;
+	u16 lcd_htotal;
+	u16 lcd_hdisp;
+	u16 lcd_hsync_dly;
+	u16 lcd_hsync_len;
+	u16 lcd_vtotal;
+	u16 lcd_vdisp;
+	u16 lcd_vsync_len;
+	u16 lcd_right_margin;
+	u16 lcd_lower_margin;
+	u16 lcd_hblank_len;
+	u16 lcd_vblank_len;
+#endif
+	unsigned long aux_start; /* auxiliary aperture */
+	unsigned long aux_size;
+	struct aty_interrupt vblank;
+	unsigned long irq_flags;
+	unsigned int irq;
+	spinlock_t int_lock;
+	int wc_cookie;
+	u32 mem_cntl;
+	struct crtc saved_crtc;
+	union aty_pll saved_pll;
+};
+
+    /*
+     *  ATI Mach64 features
+     */
+
+#define M64_HAS(feature)	((par)->features & (M64F_##feature))
+
+#define M64F_RESET_3D		0x00000001
+#define M64F_MAGIC_FIFO		0x00000002
+#define M64F_GTB_DSP		0x00000004
+#define M64F_FIFO_32		0x00000008
+#define M64F_SDRAM_MAGIC_PLL	0x00000010
+#define M64F_MAGIC_POSTDIV	0x00000020
+#define M64F_INTEGRATED		0x00000040
+#define M64F_CT_BUS		0x00000080
+#define M64F_VT_BUS		0x00000100
+#define M64F_MOBIL_BUS		0x00000200
+#define M64F_GX			0x00000400
+#define M64F_CT			0x00000800
+#define M64F_VT			0x00001000
+#define M64F_GT			0x00002000
+#define M64F_MAGIC_VRAM_SIZE	0x00004000
+#define M64F_G3_PB_1_1		0x00008000
+#define M64F_G3_PB_1024x768	0x00010000
+#define M64F_EXTRA_BRIGHT	0x00020000
+#define M64F_LT_LCD_REGS	0x00040000
+#define M64F_XL_DLL		0x00080000
+#define M64F_MFB_FORCE_4	0x00100000
+#define M64F_HW_TRIPLE		0x00200000
+#define M64F_XL_MEM		0x00400000
+    /*
+     *  Register access
+     */
+
+static inline u32 aty_ld_le32(int regindex, const struct atyfb_par *par)
+{
+	/* Hack for bloc 1, should be cleanly optimized by compiler */
+	if (regindex >= 0x400)
+		regindex -= 0x800;
+
+#ifdef CONFIG_ATARI
+	return in_le32(par->ati_regbase + regindex);
+#else
+	return readl(par->ati_regbase + regindex);
+#endif
+}
+
+static inline void aty_st_le32(int regindex, u32 val, const struct atyfb_par *par)
+{
+	/* Hack for bloc 1, should be cleanly optimized by compiler */
+	if (regindex >= 0x400)
+		regindex -= 0x800;
+
+#ifdef CONFIG_ATARI
+	out_le32(par->ati_regbase + regindex, val);
+#else
+	writel(val, par->ati_regbase + regindex);
+#endif
+}
+
+static inline void aty_st_le16(int regindex, u16 val,
+			       const struct atyfb_par *par)
+{
+	/* Hack for bloc 1, should be cleanly optimized by compiler */
+	if (regindex >= 0x400)
+		regindex -= 0x800;
+#ifdef CONFIG_ATARI
+	out_le16(par->ati_regbase + regindex, val);
+#else
+	writel(val, par->ati_regbase + regindex);
+#endif
+}
+
+static inline u8 aty_ld_8(int regindex, const struct atyfb_par *par)
+{
+	/* Hack for bloc 1, should be cleanly optimized by compiler */
+	if (regindex >= 0x400)
+		regindex -= 0x800;
+#ifdef CONFIG_ATARI
+	return in_8(par->ati_regbase + regindex);
+#else
+	return readb(par->ati_regbase + regindex);
+#endif
+}
+
+static inline void aty_st_8(int regindex, u8 val, const struct atyfb_par *par)
+{
+	/* Hack for bloc 1, should be cleanly optimized by compiler */
+	if (regindex >= 0x400)
+		regindex -= 0x800;
+
+#ifdef CONFIG_ATARI
+	out_8(par->ati_regbase + regindex, val);
+#else
+	writeb(val, par->ati_regbase + regindex);
+#endif
+}
+
+#if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || \
+defined (CONFIG_FB_ATY_GENERIC_LCD) || defined (CONFIG_FB_ATY_BACKLIGHT)
+extern void aty_st_lcd(int index, u32 val, const struct atyfb_par *par);
+extern u32 aty_ld_lcd(int index, const struct atyfb_par *par);
+#endif
+
+    /*
+     *  DAC operations
+     */
+
+struct aty_dac_ops {
+	int (*set_dac) (const struct fb_info * info,
+		const union aty_pll * pll, u32 bpp, u32 accel);
+};
+
+extern const struct aty_dac_ops aty_dac_ibm514; /* IBM RGB514 */
+extern const struct aty_dac_ops aty_dac_ati68860b; /* ATI 68860-B */
+extern const struct aty_dac_ops aty_dac_att21c498; /* AT&T 21C498 */
+extern const struct aty_dac_ops aty_dac_unsupported; /* unsupported */
+extern const struct aty_dac_ops aty_dac_ct; /* Integrated */
+
+
+    /*
+     *  Clock operations
+     */
+
+struct aty_pll_ops {
+	int (*var_to_pll) (const struct fb_info * info, u32 vclk_per, u32 bpp, union aty_pll * pll);
+	u32 (*pll_to_var) (const struct fb_info * info, const union aty_pll * pll);
+	void (*set_pll)   (const struct fb_info * info, const union aty_pll * pll);
+	void (*get_pll)   (const struct fb_info *info, union aty_pll * pll);
+	int (*init_pll)   (const struct fb_info * info, union aty_pll * pll);
+	void (*resume_pll)(const struct fb_info *info, union aty_pll *pll);
+};
+
+extern const struct aty_pll_ops aty_pll_ati18818_1; /* ATI 18818 */
+extern const struct aty_pll_ops aty_pll_stg1703; /* STG 1703 */
+extern const struct aty_pll_ops aty_pll_ch8398; /* Chrontel 8398 */
+extern const struct aty_pll_ops aty_pll_att20c408; /* AT&T 20C408 */
+extern const struct aty_pll_ops aty_pll_ibm514; /* IBM RGB514 */
+extern const struct aty_pll_ops aty_pll_unsupported; /* unsupported */
+extern const struct aty_pll_ops aty_pll_ct; /* Integrated */
+
+
+extern void aty_set_pll_ct(const struct fb_info *info, const union aty_pll *pll);
+extern u8 aty_ld_pll_ct(int offset, const struct atyfb_par *par);
+
+extern const u8 aty_postdividers[8];
+
+
+    /*
+     *  Hardware cursor support
+     */
+
+extern int aty_init_cursor(struct fb_info *info);
+
+    /*
+     *  Hardware acceleration
+     */
+
+static inline void wait_for_fifo(u16 entries, const struct atyfb_par *par)
+{
+	while ((aty_ld_le32(FIFO_STAT, par) & 0xffff) >
+	       ((u32) (0x8000 >> entries)));
+}
+
+static inline void wait_for_idle(struct atyfb_par *par)
+{
+	wait_for_fifo(16, par);
+	while ((aty_ld_le32(GUI_STAT, par) & 1) != 0);
+	par->blitter_may_be_busy = 0;
+}
+
+extern void aty_reset_engine(const struct atyfb_par *par);
+extern void aty_init_engine(struct atyfb_par *par, struct fb_info *info);
+
+void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
+void atyfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
+void atyfb_imageblit(struct fb_info *info, const struct fb_image *image);
+