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- /*
- * 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 <[email protected]>
- */
- #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>
- #include <drm/drm_fb_helper.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
- /*
- * Cursor plane
- */
- #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 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
- struct ast_cursor_plane {
- struct drm_plane base;
- struct {
- struct drm_gem_vram_object *gbo;
- struct iosys_map map;
- u64 off;
- } hwc[AST_DEFAULT_HWC_NUM];
- unsigned int next_hwc_index;
- };
- static inline struct ast_cursor_plane *
- to_ast_cursor_plane(struct drm_plane *plane)
- {
- return container_of(plane, struct ast_cursor_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_private {
- 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;
- struct drm_plane primary_plane;
- struct ast_cursor_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_private *to_ast_private(struct drm_device *dev)
- {
- return container_of(dev, struct ast_private, base);
- }
- struct ast_private *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 */
- #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;\
- val = ioread##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) {\
- iowrite##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
- 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_private *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
- /* Define for Soc scratched reg */
- #define COPROCESSOR_LAUNCH BIT(5)
- /*
- * 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_private *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_private *ast, u32 r);
- void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
- void ast_patch_ahb_2500(struct ast_private *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, u8 bPower);
- 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
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