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/* SPDX-License-Identifier: MIT */
/*
* Authors: Dave Airlie <airlied@redhat.com>
*/
#ifndef __AST_DRV_H__
#define __AST_DRV_H__
#include "aspeed_coreboot.h"
#define PCI_CHIP_AST2000 0x2000
#define PCI_CHIP_AST2100 0x2010
#define PCI_CHIP_AST1180 0x1180
enum ast_chip {
AST2000,
AST2100,
AST1100,
AST2200,
AST2150,
AST2300,
AST2400,
AST2500,
AST2600,
AST1180,
};
enum ast_tx_chip {
AST_TX_NONE,
AST_TX_SIL164,
AST_TX_ITE66121,
AST_TX_DP501,
};
#define AST_DRAM_512Mx16 0
#define AST_DRAM_1Gx16 1
#define AST_DRAM_512Mx32 2
#define AST_DRAM_1Gx32 3
#define AST_DRAM_2Gx16 6
#define AST_DRAM_4Gx16 7
#define AST_DRAM_8Gx16 8
struct ast_fbdev;
struct ast_private {
struct drm_device *dev;
void __iomem *regs;
void __iomem *ioregs;
bool io_space_uses_mmap;
enum ast_chip chip;
bool vga2_clone;
uint32_t dram_bus_width;
uint32_t dram_type;
uint32_t mclk;
uint32_t vram_size;
struct ast_fbdev *fbdev;
int fb_mtrr;
struct drm_gem_object *cursor_cache;
uint64_t cursor_cache_gpu_addr;
int next_cursor;
bool support_wide_screen;
enum {
ast_use_p2a,
ast_use_dt,
ast_use_defaults
} config_mode;
enum ast_tx_chip tx_chip_type;
u8 dp501_maxclk;
u8 *dp501_fw_addr;
const struct firmware *dp501_fw; /* dp501 fw */
};
int ast_driver_load(struct drm_device *dev, unsigned long flags);
int ast_driver_unload(struct drm_device *dev);
#define AST_IO_AR_PORT_WRITE (0x40)
#define AST_IO_MISC_PORT_WRITE (0x42)
#define AST_IO_VGA_ENABLE_PORT (0x43)
#define AST_IO_SEQ_PORT (0x44)
#define AST_IO_DAC_INDEX_READ (0x47)
#define AST_IO_DAC_INDEX_WRITE (0x48)
#define AST_IO_DAC_DATA (0x49)
#define AST_IO_GR_PORT (0x4E)
#define AST_IO_CRTC_PORT (0x54)
#define AST_IO_INPUT_STATUS1_READ (0x5A)
#define AST_IO_MISC_PORT_READ (0x4C)
#define AST_IO_MM_OFFSET (0x380)
#define __ast_read(x) \
static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
u##x val = 0;\
val = ioread##x(ast->regs + reg); \
return val;\
}
__ast_read(8);
__ast_read(16);
__ast_read(32)
#define __ast_io_read(x) \
static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
u##x val = 0;\
if (ast->io_space_uses_mmap) \
val = ioread##x(ast->regs + reg); \
else \
val = ioread_cbio##x(ast->ioregs + reg); \
return val;\
}
__ast_io_read(8);
__ast_io_read(16);
__ast_io_read(32);
#define __ast_write(x) \
static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
iowrite##x(val, ast->regs + reg);\
}
__ast_write(8);
__ast_write(16);
__ast_write(32);
#define __ast_io_write(x) \
static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
if (ast->io_space_uses_mmap) \
iowrite##x(val, ast->regs + reg);\
else \
iowrite_cbio##x(val, ast->ioregs + reg);\
}
__ast_io_write(8);
__ast_io_write(16);
#undef __ast_io_write
static inline void ast_set_index_reg(struct ast_private *ast,
uint32_t base, uint8_t index,
uint8_t val)
{
ast_io_write16(ast, base, ((u16)val << 8) | index);
}
void ast_set_index_reg_mask(struct ast_private *ast,
uint32_t base, uint8_t index,
uint8_t mask, uint8_t val);
uint8_t ast_get_index_reg(struct ast_private *ast,
uint32_t base, uint8_t index);
uint8_t ast_get_index_reg_mask(struct ast_private *ast,
uint32_t base, uint8_t index, uint8_t mask);
static inline void ast_open_key(struct ast_private *ast)
{
ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
}
#define AST_VIDMEM_SIZE_8M 0x00800000
#define AST_VIDMEM_SIZE_16M 0x01000000
#define AST_VIDMEM_SIZE_32M 0x02000000
#define AST_VIDMEM_SIZE_64M 0x04000000
#define AST_VIDMEM_SIZE_128M 0x08000000
#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
#define AST_MAX_HWC_WIDTH 64
#define AST_MAX_HWC_HEIGHT 64
#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
#define AST_HWC_SIGNATURE_SIZE 32
#define EINVAL 22 /* Invalid argument */
#define AST_DEFAULT_HWC_NUM 2
/* define for signature structure */
#define AST_HWC_SIGNATURE_CHECKSUM 0x00
#define AST_HWC_SIGNATURE_SizeX 0x04
#define AST_HWC_SIGNATURE_SizeY 0x08
#define AST_HWC_SIGNATURE_X 0x0C
#define AST_HWC_SIGNATURE_Y 0x10
#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
/* ast_mode.c stuff */
struct ast_vbios_stdtable {
u8 misc;
u8 seq[4];
u8 crtc[25];
u8 ar[20];
u8 gr[9];
};
struct ast_vbios_enhtable {
u32 ht;
u32 hde;
u32 hfp;
u32 hsync;
u32 vt;
u32 vde;
u32 vfp;
u32 vsync;
u32 dclk_index;
u32 flags;
u32 refresh_rate;
u32 refresh_rate_index;
u32 mode_id;
};
struct ast_vbios_dclk_info {
u8 param1;
u8 param2;
u8 param3;
};
struct ast_vbios_mode_info {
const struct ast_vbios_stdtable *std_table;
const struct ast_vbios_enhtable *enh_table;
};
#define DRM_MODE_FLAG_NVSYNC 1
#define DRM_MODE_FLAG_PVSYNC 2
#define DRM_MODE_FLAG_NHSYNC 4
#define DRM_MODE_FLAG_PHSYNC 8
struct drm_display_mode {
/* Proposed mode values */
u16 vrefresh; /* in Hz */
u32 clock;
u16 hdisplay;
u16 vdisplay;
u32 flags;
/* Actual mode we give to hw */
u16 crtc_hdisplay;
u16 crtc_htotal;
u16 crtc_hblank_start;
u16 crtc_hblank_end;
u16 crtc_hsync_start;
u16 crtc_hsync_end;
u16 crtc_vtotal;
u16 crtc_vsync_start;
u16 crtc_vsync_end;
u16 crtc_vdisplay;
u16 crtc_vblank_start;
u16 crtc_vblank_end;
};
struct drm_format {
u32 cpp[1]; /* Colors per pixel */
};
struct drm_framebuffer {
u32 pitches[1];
struct drm_format *format;
u32 mmio_addr;
};
struct drm_primary {
struct drm_framebuffer *fb;
};
struct drm_crtc {
struct drm_device *dev;
struct drm_primary *primary;
struct drm_display_mode mode;
};
struct drm_connector {
struct drm_device *dev;
};
enum drm_mode_status {
MODE_NOMODE,
MODE_OK
};
#define AST_MM_ALIGN_SHIFT 4
#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
/* ast post */
void ast_enable_vga(struct drm_device *dev);
void ast_enable_mmio(struct drm_device *dev);
bool ast_is_vga_enabled(struct drm_device *dev);
void ast_post_gpu(struct drm_device *dev);
u32 ast_mindwm(struct ast_private *ast, u32 r);
void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
/* ast dp501 */
void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
u8 ast_get_dp501_max_clk(struct drm_device *dev);
void ast_init_3rdtx(struct drm_device *dev);
void ast_release_firmware(struct drm_device *dev);
/* ast mode */
int ast_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
enum drm_mode_status ast_mode_valid(struct drm_connector *connector,
const unsigned int hdisplay,
const unsigned int vdisplay);
void ast_hide_cursor(struct drm_crtc *crtc);
void ast_set_offset_reg(struct drm_crtc *crtc);
void ast_set_start_address_crt1(struct ast_private *ast, u32 offset);
/* ast_mode_corebootfb */
int ast_driver_framebuffer_init(struct drm_device *dev, int flags);
int ast_crtc_do_set_base(struct drm_crtc *crtc);
/* ast i2c */
int ast_software_i2c_read(struct ast_private *ast_priv, uint8_t edid[128]);
#endif
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