/* * Copyright 2012 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * */ /* * Authors: Dave Airlie */ #ifndef __AST_DRV_H__ #define __AST_DRV_H__ #include #include #include #include #include #include #include #include #include #define DRIVER_AUTHOR "Dave Airlie" #define DRIVER_NAME "ast" #define DRIVER_DESC "AST" #define DRIVER_DATE "20120228" #define DRIVER_MAJOR 0 #define DRIVER_MINOR 1 #define DRIVER_PATCHLEVEL 0 #define PCI_CHIP_AST2000 0x2000 #define PCI_CHIP_AST2100 0x2010 enum ast_chip { AST2000, AST2100, AST1100, AST2200, AST2150, AST2300, AST2400, AST2500, AST2600, }; enum ast_tx_chip { AST_TX_NONE, AST_TX_SIL164, AST_TX_DP501, AST_TX_ASTDP, }; #define AST_TX_NONE_BIT BIT(AST_TX_NONE) #define AST_TX_SIL164_BIT BIT(AST_TX_SIL164) #define AST_TX_DP501_BIT BIT(AST_TX_DP501) #define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP) #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 /* * Hardware cursor */ #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 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 /* * Planes */ struct ast_plane { struct drm_plane base; void __iomem *vaddr; u64 offset; unsigned long size; }; static inline struct ast_plane *to_ast_plane(struct drm_plane *plane) { return container_of(plane, struct ast_plane, base); } /* * Connector with i2c channel */ struct ast_i2c_chan { struct i2c_adapter adapter; struct drm_device *dev; struct i2c_algo_bit_data bit; }; struct ast_vga_connector { struct drm_connector base; struct ast_i2c_chan *i2c; }; static inline struct ast_vga_connector * to_ast_vga_connector(struct drm_connector *connector) { return container_of(connector, struct ast_vga_connector, base); } struct ast_sil164_connector { struct drm_connector base; struct ast_i2c_chan *i2c; }; static inline struct ast_sil164_connector * to_ast_sil164_connector(struct drm_connector *connector) { return container_of(connector, struct ast_sil164_connector, base); } /* * Device */ struct ast_device { struct drm_device base; struct mutex ioregs_lock; /* Protects access to I/O registers in ioregs */ void __iomem *regs; void __iomem *ioregs; void __iomem *dp501_fw_buf; enum ast_chip chip; bool vga2_clone; uint32_t dram_bus_width; uint32_t dram_type; uint32_t mclk; void __iomem *vram; unsigned long vram_base; unsigned long vram_size; unsigned long vram_fb_available; struct ast_plane primary_plane; struct ast_plane cursor_plane; struct drm_crtc crtc; struct { struct { struct drm_encoder encoder; struct ast_vga_connector vga_connector; } vga; struct { struct drm_encoder encoder; struct ast_sil164_connector sil164_connector; } sil164; struct { struct drm_encoder encoder; struct drm_connector connector; } dp501; struct { struct drm_encoder encoder; struct drm_connector connector; } astdp; } output; bool support_wide_screen; enum { ast_use_p2a, ast_use_dt, ast_use_defaults } config_mode; unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */ u8 *dp501_fw_addr; const struct firmware *dp501_fw; /* dp501 fw */ }; static inline struct ast_device *to_ast_device(struct drm_device *dev) { return container_of(dev, struct ast_device, base); } struct ast_device *ast_device_create(const struct drm_driver *drv, struct pci_dev *pdev, unsigned long flags); #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_IO_VGAIR1_VREFRESH BIT(3) #define AST_IO_VGACRCB_HWC_ENABLED BIT(1) #define AST_IO_VGACRCB_HWC_16BPP BIT(0) /* set: ARGB4444, cleared: 2bpp palette */ static inline u32 ast_read32(struct ast_device *ast, u32 reg) { return ioread32(ast->regs + reg); } static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val) { iowrite32(val, ast->regs + reg); } static inline u8 ast_io_read8(struct ast_device *ast, u32 reg) { return ioread8(ast->ioregs + reg); } static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val) { iowrite8(val, ast->ioregs + reg); } static inline void ast_set_index_reg(struct ast_device *ast, uint32_t base, uint8_t index, uint8_t val) { ast_io_write8(ast, base, index); ++base; ast_io_write8(ast, base, val); } void ast_set_index_reg_mask(struct ast_device *ast, uint32_t base, uint8_t index, uint8_t mask, uint8_t val); uint8_t ast_get_index_reg(struct ast_device *ast, uint32_t base, uint8_t index); uint8_t ast_get_index_reg_mask(struct ast_device *ast, uint32_t base, uint8_t index, uint8_t mask); static inline void ast_open_key(struct ast_device *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 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; }; struct ast_crtc_state { struct drm_crtc_state base; /* Last known format of primary plane */ const struct drm_format_info *format; struct ast_vbios_mode_info vbios_mode_info; }; #define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base) int ast_mode_config_init(struct ast_device *ast); #define AST_MM_ALIGN_SHIFT 4 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1) #define AST_DP501_FW_VERSION_MASK GENMASK(7, 4) #define AST_DP501_FW_VERSION_1 BIT(4) #define AST_DP501_PNP_CONNECTED BIT(1) #define AST_DP501_DEFAULT_DCLK 65 #define AST_DP501_GBL_VERSION 0xf000 #define AST_DP501_PNPMONITOR 0xf010 #define AST_DP501_LINKRATE 0xf014 #define AST_DP501_EDID_DATA 0xf020 /* * Display Transmitter Type: */ #define TX_TYPE_MASK GENMASK(3, 1) #define NO_TX (0 << 1) #define ITE66121_VBIOS_TX (1 << 1) #define SI164_VBIOS_TX (2 << 1) #define CH7003_VBIOS_TX (3 << 1) #define DP501_VBIOS_TX (4 << 1) #define ANX9807_VBIOS_TX (5 << 1) #define TX_FW_EMBEDDED_FW_TX (6 << 1) #define ASTDP_DPMCU_TX (7 << 1) #define AST_VRAM_INIT_STATUS_MASK GENMASK(7, 6) //#define AST_VRAM_INIT_BY_BMC BIT(7) //#define AST_VRAM_INIT_READY BIT(6) /* Define for Soc scratched reg used on ASTDP */ #define AST_DP_PHY_SLEEP BIT(4) #define AST_DP_VIDEO_ENABLE BIT(0) #define AST_DP_POWER_ON true #define AST_DP_POWER_OFF false /* * CRD1[b5]: DP MCU FW is executing * CRDC[b0]: DP link success * CRDF[b0]: DP HPD * CRE5[b0]: Host reading EDID process is done */ #define ASTDP_MCU_FW_EXECUTING BIT(5) #define ASTDP_LINK_SUCCESS BIT(0) #define ASTDP_HPD BIT(0) #define ASTDP_HOST_EDID_READ_DONE BIT(0) #define ASTDP_HOST_EDID_READ_DONE_MASK GENMASK(0, 0) /* * CRB8[b1]: Enable VSYNC off * CRB8[b0]: Enable HSYNC off */ #define AST_DPMS_VSYNC_OFF BIT(1) #define AST_DPMS_HSYNC_OFF BIT(0) /* * CRDF[b4]: Mirror of AST_DP_VIDEO_ENABLE * Precondition: A. ~AST_DP_PHY_SLEEP && * B. DP_HPD && * C. DP_LINK_SUCCESS */ #define ASTDP_MIRROR_VIDEO_ENABLE BIT(4) #define ASTDP_EDID_READ_POINTER_MASK GENMASK(7, 0) #define ASTDP_EDID_VALID_FLAG_MASK GENMASK(0, 0) #define ASTDP_EDID_READ_DATA_MASK GENMASK(7, 0) /* * ASTDP setmode registers: * CRE0[7:0]: MISC0 ((0x00: 18-bpp) or (0x20: 24-bpp) * CRE1[7:0]: MISC1 (default: 0x00) * CRE2[7:0]: video format index (0x00 ~ 0x20 or 0x40 ~ 0x50) */ #define ASTDP_MISC0_24bpp BIT(5) #define ASTDP_MISC1 0 #define ASTDP_AND_CLEAR_MASK 0x00 /* * ASTDP resoultion table: * EX: ASTDP_A_B_C: * A: Resolution * B: Refresh Rate * C: Misc information, such as CVT, Reduce Blanked */ #define ASTDP_640x480_60 0x00 #define ASTDP_640x480_72 0x01 #define ASTDP_640x480_75 0x02 #define ASTDP_640x480_85 0x03 #define ASTDP_800x600_56 0x04 #define ASTDP_800x600_60 0x05 #define ASTDP_800x600_72 0x06 #define ASTDP_800x600_75 0x07 #define ASTDP_800x600_85 0x08 #define ASTDP_1024x768_60 0x09 #define ASTDP_1024x768_70 0x0A #define ASTDP_1024x768_75 0x0B #define ASTDP_1024x768_85 0x0C #define ASTDP_1280x1024_60 0x0D #define ASTDP_1280x1024_75 0x0E #define ASTDP_1280x1024_85 0x0F #define ASTDP_1600x1200_60 0x10 #define ASTDP_320x240_60 0x11 #define ASTDP_400x300_60 0x12 #define ASTDP_512x384_60 0x13 #define ASTDP_1920x1200_60 0x14 #define ASTDP_1920x1080_60 0x15 #define ASTDP_1280x800_60 0x16 #define ASTDP_1280x800_60_RB 0x17 #define ASTDP_1440x900_60 0x18 #define ASTDP_1440x900_60_RB 0x19 #define ASTDP_1680x1050_60 0x1A #define ASTDP_1680x1050_60_RB 0x1B #define ASTDP_1600x900_60 0x1C #define ASTDP_1600x900_60_RB 0x1D #define ASTDP_1366x768_60 0x1E #define ASTDP_1152x864_75 0x1F int ast_mm_init(struct ast_device *ast); /* 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_device *ast, u32 r); void ast_moutdwm(struct ast_device *ast, u32 r, u32 v); void ast_patch_ahb_2500(struct ast_device *ast); /* 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_is_connected(struct ast_device *ast); 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); /* ast_i2c.c */ struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev); /* aspeed DP */ bool ast_astdp_is_connected(struct ast_device *ast); int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata); void ast_dp_launch(struct drm_device *dev); void ast_dp_power_on_off(struct drm_device *dev, bool no); void ast_dp_set_on_off(struct drm_device *dev, bool no); void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode); #endif