488 lines
12 KiB
C
488 lines
12 KiB
C
/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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*/
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/*
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* Authors: Dave Airlie <airlied@redhat.com>
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*/
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#ifndef __AST_DRV_H__
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#define __AST_DRV_H__
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#include <linux/i2c.h>
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#include <linux/i2c-algo-bit.h>
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#include <linux/io.h>
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#include <linux/types.h>
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#include <drm/drm_connector.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_mode.h>
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#include <drm/drm_framebuffer.h>
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#define DRIVER_AUTHOR "Dave Airlie"
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#define DRIVER_NAME "ast"
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#define DRIVER_DESC "AST"
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#define DRIVER_DATE "20120228"
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#define DRIVER_MAJOR 0
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#define DRIVER_MINOR 1
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#define DRIVER_PATCHLEVEL 0
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#define PCI_CHIP_AST2000 0x2000
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#define PCI_CHIP_AST2100 0x2010
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enum ast_chip {
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AST2000,
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AST2100,
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AST1100,
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AST2200,
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AST2150,
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AST2300,
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AST2400,
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AST2500,
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AST2600,
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};
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enum ast_tx_chip {
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AST_TX_NONE,
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AST_TX_SIL164,
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AST_TX_DP501,
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AST_TX_ASTDP,
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};
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#define AST_TX_NONE_BIT BIT(AST_TX_NONE)
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#define AST_TX_SIL164_BIT BIT(AST_TX_SIL164)
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#define AST_TX_DP501_BIT BIT(AST_TX_DP501)
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#define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP)
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#define AST_DRAM_512Mx16 0
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#define AST_DRAM_1Gx16 1
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#define AST_DRAM_512Mx32 2
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#define AST_DRAM_1Gx32 3
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#define AST_DRAM_2Gx16 6
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#define AST_DRAM_4Gx16 7
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#define AST_DRAM_8Gx16 8
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/*
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* Hardware cursor
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*/
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#define AST_MAX_HWC_WIDTH 64
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#define AST_MAX_HWC_HEIGHT 64
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#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
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#define AST_HWC_SIGNATURE_SIZE 32
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/* define for signature structure */
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#define AST_HWC_SIGNATURE_CHECKSUM 0x00
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#define AST_HWC_SIGNATURE_SizeX 0x04
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#define AST_HWC_SIGNATURE_SizeY 0x08
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#define AST_HWC_SIGNATURE_X 0x0C
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#define AST_HWC_SIGNATURE_Y 0x10
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#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
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#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
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/*
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* Planes
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*/
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struct ast_plane {
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struct drm_plane base;
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void __iomem *vaddr;
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u64 offset;
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unsigned long size;
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};
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static inline struct ast_plane *to_ast_plane(struct drm_plane *plane)
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{
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return container_of(plane, struct ast_plane, base);
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}
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/*
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* Connector with i2c channel
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*/
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struct ast_i2c_chan {
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struct i2c_adapter adapter;
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struct drm_device *dev;
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struct i2c_algo_bit_data bit;
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};
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struct ast_vga_connector {
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struct drm_connector base;
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struct ast_i2c_chan *i2c;
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};
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static inline struct ast_vga_connector *
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to_ast_vga_connector(struct drm_connector *connector)
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{
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return container_of(connector, struct ast_vga_connector, base);
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}
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struct ast_sil164_connector {
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struct drm_connector base;
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struct ast_i2c_chan *i2c;
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};
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static inline struct ast_sil164_connector *
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to_ast_sil164_connector(struct drm_connector *connector)
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{
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return container_of(connector, struct ast_sil164_connector, base);
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}
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/*
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* Device
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*/
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struct ast_device {
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struct drm_device base;
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struct mutex ioregs_lock; /* Protects access to I/O registers in ioregs */
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void __iomem *regs;
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void __iomem *ioregs;
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void __iomem *dp501_fw_buf;
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enum ast_chip chip;
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bool vga2_clone;
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uint32_t dram_bus_width;
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uint32_t dram_type;
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uint32_t mclk;
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void __iomem *vram;
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unsigned long vram_base;
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unsigned long vram_size;
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unsigned long vram_fb_available;
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struct ast_plane primary_plane;
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struct ast_plane cursor_plane;
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struct drm_crtc crtc;
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struct {
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struct {
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struct drm_encoder encoder;
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struct ast_vga_connector vga_connector;
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} vga;
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struct {
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struct drm_encoder encoder;
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struct ast_sil164_connector sil164_connector;
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} sil164;
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struct {
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struct drm_encoder encoder;
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struct drm_connector connector;
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} dp501;
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struct {
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struct drm_encoder encoder;
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struct drm_connector connector;
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} astdp;
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} output;
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bool support_wide_screen;
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enum {
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ast_use_p2a,
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ast_use_dt,
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ast_use_defaults
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} config_mode;
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unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */
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u8 *dp501_fw_addr;
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const struct firmware *dp501_fw; /* dp501 fw */
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};
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static inline struct ast_device *to_ast_device(struct drm_device *dev)
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{
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return container_of(dev, struct ast_device, base);
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}
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struct ast_device *ast_device_create(const struct drm_driver *drv,
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struct pci_dev *pdev,
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unsigned long flags);
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#define AST_IO_AR_PORT_WRITE (0x40)
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#define AST_IO_MISC_PORT_WRITE (0x42)
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#define AST_IO_VGA_ENABLE_PORT (0x43)
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#define AST_IO_SEQ_PORT (0x44)
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#define AST_IO_DAC_INDEX_READ (0x47)
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#define AST_IO_DAC_INDEX_WRITE (0x48)
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#define AST_IO_DAC_DATA (0x49)
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#define AST_IO_GR_PORT (0x4E)
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#define AST_IO_CRTC_PORT (0x54)
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#define AST_IO_INPUT_STATUS1_READ (0x5A)
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#define AST_IO_MISC_PORT_READ (0x4C)
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#define AST_IO_MM_OFFSET (0x380)
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#define AST_IO_VGAIR1_VREFRESH BIT(3)
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#define AST_IO_VGACRCB_HWC_ENABLED BIT(1)
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#define AST_IO_VGACRCB_HWC_16BPP BIT(0) /* set: ARGB4444, cleared: 2bpp palette */
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static inline u32 ast_read32(struct ast_device *ast, u32 reg)
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{
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return ioread32(ast->regs + reg);
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}
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static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val)
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{
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iowrite32(val, ast->regs + reg);
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}
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static inline u8 ast_io_read8(struct ast_device *ast, u32 reg)
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{
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return ioread8(ast->ioregs + reg);
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}
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static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val)
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{
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iowrite8(val, ast->ioregs + reg);
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}
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static inline void ast_set_index_reg(struct ast_device *ast,
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uint32_t base, uint8_t index,
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uint8_t val)
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{
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ast_io_write8(ast, base, index);
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++base;
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ast_io_write8(ast, base, val);
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}
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void ast_set_index_reg_mask(struct ast_device *ast,
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uint32_t base, uint8_t index,
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uint8_t mask, uint8_t val);
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uint8_t ast_get_index_reg(struct ast_device *ast,
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uint32_t base, uint8_t index);
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uint8_t ast_get_index_reg_mask(struct ast_device *ast,
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uint32_t base, uint8_t index, uint8_t mask);
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static inline void ast_open_key(struct ast_device *ast)
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{
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ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
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}
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#define AST_VIDMEM_SIZE_8M 0x00800000
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#define AST_VIDMEM_SIZE_16M 0x01000000
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#define AST_VIDMEM_SIZE_32M 0x02000000
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#define AST_VIDMEM_SIZE_64M 0x04000000
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#define AST_VIDMEM_SIZE_128M 0x08000000
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#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
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struct ast_vbios_stdtable {
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u8 misc;
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u8 seq[4];
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u8 crtc[25];
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u8 ar[20];
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u8 gr[9];
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};
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struct ast_vbios_enhtable {
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u32 ht;
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u32 hde;
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u32 hfp;
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u32 hsync;
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u32 vt;
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u32 vde;
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u32 vfp;
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u32 vsync;
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u32 dclk_index;
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u32 flags;
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u32 refresh_rate;
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u32 refresh_rate_index;
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u32 mode_id;
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};
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struct ast_vbios_dclk_info {
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u8 param1;
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u8 param2;
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u8 param3;
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};
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struct ast_vbios_mode_info {
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const struct ast_vbios_stdtable *std_table;
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const struct ast_vbios_enhtable *enh_table;
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};
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struct ast_crtc_state {
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struct drm_crtc_state base;
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/* Last known format of primary plane */
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const struct drm_format_info *format;
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struct ast_vbios_mode_info vbios_mode_info;
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};
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#define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
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int ast_mode_config_init(struct ast_device *ast);
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#define AST_MM_ALIGN_SHIFT 4
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#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
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#define AST_DP501_FW_VERSION_MASK GENMASK(7, 4)
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#define AST_DP501_FW_VERSION_1 BIT(4)
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#define AST_DP501_PNP_CONNECTED BIT(1)
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#define AST_DP501_DEFAULT_DCLK 65
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#define AST_DP501_GBL_VERSION 0xf000
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#define AST_DP501_PNPMONITOR 0xf010
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#define AST_DP501_LINKRATE 0xf014
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#define AST_DP501_EDID_DATA 0xf020
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/*
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* Display Transmitter Type:
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*/
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#define TX_TYPE_MASK GENMASK(3, 1)
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#define NO_TX (0 << 1)
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#define ITE66121_VBIOS_TX (1 << 1)
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#define SI164_VBIOS_TX (2 << 1)
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#define CH7003_VBIOS_TX (3 << 1)
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#define DP501_VBIOS_TX (4 << 1)
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#define ANX9807_VBIOS_TX (5 << 1)
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#define TX_FW_EMBEDDED_FW_TX (6 << 1)
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#define ASTDP_DPMCU_TX (7 << 1)
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#define AST_VRAM_INIT_STATUS_MASK GENMASK(7, 6)
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//#define AST_VRAM_INIT_BY_BMC BIT(7)
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//#define AST_VRAM_INIT_READY BIT(6)
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/* Define for Soc scratched reg used on ASTDP */
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#define AST_DP_PHY_SLEEP BIT(4)
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#define AST_DP_VIDEO_ENABLE BIT(0)
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#define AST_DP_POWER_ON true
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#define AST_DP_POWER_OFF false
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/*
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* CRD1[b5]: DP MCU FW is executing
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* CRDC[b0]: DP link success
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* CRDF[b0]: DP HPD
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* CRE5[b0]: Host reading EDID process is done
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*/
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#define ASTDP_MCU_FW_EXECUTING BIT(5)
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#define ASTDP_LINK_SUCCESS BIT(0)
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#define ASTDP_HPD BIT(0)
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#define ASTDP_HOST_EDID_READ_DONE BIT(0)
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#define ASTDP_HOST_EDID_READ_DONE_MASK GENMASK(0, 0)
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/*
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* CRB8[b1]: Enable VSYNC off
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* CRB8[b0]: Enable HSYNC off
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*/
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#define AST_DPMS_VSYNC_OFF BIT(1)
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#define AST_DPMS_HSYNC_OFF BIT(0)
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/*
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* CRDF[b4]: Mirror of AST_DP_VIDEO_ENABLE
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* Precondition: A. ~AST_DP_PHY_SLEEP &&
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* B. DP_HPD &&
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* C. DP_LINK_SUCCESS
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*/
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#define ASTDP_MIRROR_VIDEO_ENABLE BIT(4)
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#define ASTDP_EDID_READ_POINTER_MASK GENMASK(7, 0)
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#define ASTDP_EDID_VALID_FLAG_MASK GENMASK(0, 0)
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#define ASTDP_EDID_READ_DATA_MASK GENMASK(7, 0)
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/*
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* ASTDP setmode registers:
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* CRE0[7:0]: MISC0 ((0x00: 18-bpp) or (0x20: 24-bpp)
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* CRE1[7:0]: MISC1 (default: 0x00)
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* CRE2[7:0]: video format index (0x00 ~ 0x20 or 0x40 ~ 0x50)
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*/
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#define ASTDP_MISC0_24bpp BIT(5)
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#define ASTDP_MISC1 0
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#define ASTDP_AND_CLEAR_MASK 0x00
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/*
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* ASTDP resoultion table:
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* EX: ASTDP_A_B_C:
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* A: Resolution
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* B: Refresh Rate
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* C: Misc information, such as CVT, Reduce Blanked
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*/
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#define ASTDP_640x480_60 0x00
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#define ASTDP_640x480_72 0x01
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#define ASTDP_640x480_75 0x02
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#define ASTDP_640x480_85 0x03
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#define ASTDP_800x600_56 0x04
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#define ASTDP_800x600_60 0x05
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#define ASTDP_800x600_72 0x06
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#define ASTDP_800x600_75 0x07
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#define ASTDP_800x600_85 0x08
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#define ASTDP_1024x768_60 0x09
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#define ASTDP_1024x768_70 0x0A
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#define ASTDP_1024x768_75 0x0B
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#define ASTDP_1024x768_85 0x0C
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#define ASTDP_1280x1024_60 0x0D
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#define ASTDP_1280x1024_75 0x0E
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#define ASTDP_1280x1024_85 0x0F
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#define ASTDP_1600x1200_60 0x10
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#define ASTDP_320x240_60 0x11
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#define ASTDP_400x300_60 0x12
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#define ASTDP_512x384_60 0x13
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#define ASTDP_1920x1200_60 0x14
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#define ASTDP_1920x1080_60 0x15
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#define ASTDP_1280x800_60 0x16
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#define ASTDP_1280x800_60_RB 0x17
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#define ASTDP_1440x900_60 0x18
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#define ASTDP_1440x900_60_RB 0x19
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#define ASTDP_1680x1050_60 0x1A
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#define ASTDP_1680x1050_60_RB 0x1B
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#define ASTDP_1600x900_60 0x1C
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#define ASTDP_1600x900_60_RB 0x1D
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#define ASTDP_1366x768_60 0x1E
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#define ASTDP_1152x864_75 0x1F
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int ast_mm_init(struct ast_device *ast);
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/* ast post */
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void ast_enable_vga(struct drm_device *dev);
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void ast_enable_mmio(struct drm_device *dev);
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bool ast_is_vga_enabled(struct drm_device *dev);
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void ast_post_gpu(struct drm_device *dev);
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u32 ast_mindwm(struct ast_device *ast, u32 r);
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void ast_moutdwm(struct ast_device *ast, u32 r, u32 v);
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void ast_patch_ahb_2500(struct ast_device *ast);
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/* ast dp501 */
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void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
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bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
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bool ast_dp501_is_connected(struct ast_device *ast);
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bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
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u8 ast_get_dp501_max_clk(struct drm_device *dev);
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void ast_init_3rdtx(struct drm_device *dev);
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/* ast_i2c.c */
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struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev);
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/* aspeed DP */
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bool ast_astdp_is_connected(struct ast_device *ast);
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int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata);
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void ast_dp_launch(struct drm_device *dev);
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void ast_dp_power_on_off(struct drm_device *dev, bool no);
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void ast_dp_set_on_off(struct drm_device *dev, bool no);
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void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode);
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#endif
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