| /* |
| * 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 <airlied@redhat.com> |
| */ |
| #ifndef __AST_DRV_H__ |
| #define __AST_DRV_H__ |
| |
| #include <linux/i2c.h> |
| #include <linux/i2c-algo-bit.h> |
| #include <linux/io.h> |
| #include <linux/types.h> |
| |
| #include <drm/drm_connector.h> |
| #include <drm/drm_crtc.h> |
| #include <drm/drm_encoder.h> |
| #include <drm/drm_mode.h> |
| #include <drm/drm_framebuffer.h> |
| |
| #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_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 */ |
| 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 |