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Diffstat (limited to 'drivers/gpu/drm/ast/ast_drv.h')
-rw-r--r--drivers/gpu/drm/ast/ast_drv.h505
1 files changed, 505 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
new file mode 100644
index 000000000..2e44b971c
--- /dev/null
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -0,0 +1,505 @@
+/*
+ * 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>
+#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