Loading...
1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
18 * USE OR OTHER DEALINGS IN THE SOFTWARE.
19 *
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
22 * of the Software.
23 *
24 */
25/*
26 * Authors: Dave Airlie <airlied@redhat.com>
27 */
28#ifndef __AST_DRV_H__
29#define __AST_DRV_H__
30
31#include <linux/types.h>
32#include <linux/io.h>
33#include <linux/i2c.h>
34#include <linux/i2c-algo-bit.h>
35
36#include <drm/drm_connector.h>
37#include <drm/drm_crtc.h>
38#include <drm/drm_encoder.h>
39#include <drm/drm_mode.h>
40#include <drm/drm_framebuffer.h>
41#include <drm/drm_fb_helper.h>
42
43#define DRIVER_AUTHOR "Dave Airlie"
44
45#define DRIVER_NAME "ast"
46#define DRIVER_DESC "AST"
47#define DRIVER_DATE "20120228"
48
49#define DRIVER_MAJOR 0
50#define DRIVER_MINOR 1
51#define DRIVER_PATCHLEVEL 0
52
53#define PCI_CHIP_AST2000 0x2000
54#define PCI_CHIP_AST2100 0x2010
55
56
57enum ast_chip {
58 AST2000,
59 AST2100,
60 AST1100,
61 AST2200,
62 AST2150,
63 AST2300,
64 AST2400,
65 AST2500,
66};
67
68enum ast_tx_chip {
69 AST_TX_NONE,
70 AST_TX_SIL164,
71 AST_TX_ITE66121,
72 AST_TX_DP501,
73};
74
75#define AST_DRAM_512Mx16 0
76#define AST_DRAM_1Gx16 1
77#define AST_DRAM_512Mx32 2
78#define AST_DRAM_1Gx32 3
79#define AST_DRAM_2Gx16 6
80#define AST_DRAM_4Gx16 7
81#define AST_DRAM_8Gx16 8
82
83
84#define AST_MAX_HWC_WIDTH 64
85#define AST_MAX_HWC_HEIGHT 64
86
87#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
88#define AST_HWC_SIGNATURE_SIZE 32
89
90#define AST_DEFAULT_HWC_NUM 2
91
92/* define for signature structure */
93#define AST_HWC_SIGNATURE_CHECKSUM 0x00
94#define AST_HWC_SIGNATURE_SizeX 0x04
95#define AST_HWC_SIGNATURE_SizeY 0x08
96#define AST_HWC_SIGNATURE_X 0x0C
97#define AST_HWC_SIGNATURE_Y 0x10
98#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
99#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
100
101
102struct ast_private {
103 struct drm_device *dev;
104
105 void __iomem *regs;
106 void __iomem *ioregs;
107
108 enum ast_chip chip;
109 bool vga2_clone;
110 uint32_t dram_bus_width;
111 uint32_t dram_type;
112 uint32_t mclk;
113
114 int fb_mtrr;
115
116 struct {
117 struct drm_gem_vram_object *gbo[AST_DEFAULT_HWC_NUM];
118 void __iomem *vaddr[AST_DEFAULT_HWC_NUM];
119 unsigned int next_index;
120 } cursor;
121
122 struct drm_encoder encoder;
123 struct drm_plane primary_plane;
124 struct drm_plane cursor_plane;
125
126 bool support_wide_screen;
127 enum {
128 ast_use_p2a,
129 ast_use_dt,
130 ast_use_defaults
131 } config_mode;
132
133 enum ast_tx_chip tx_chip_type;
134 u8 dp501_maxclk;
135 u8 *dp501_fw_addr;
136 const struct firmware *dp501_fw; /* dp501 fw */
137};
138
139static inline struct ast_private *to_ast_private(struct drm_device *dev)
140{
141 return dev->dev_private;
142}
143
144int ast_driver_load(struct drm_device *dev, unsigned long flags);
145void ast_driver_unload(struct drm_device *dev);
146
147#define AST_IO_AR_PORT_WRITE (0x40)
148#define AST_IO_MISC_PORT_WRITE (0x42)
149#define AST_IO_VGA_ENABLE_PORT (0x43)
150#define AST_IO_SEQ_PORT (0x44)
151#define AST_IO_DAC_INDEX_READ (0x47)
152#define AST_IO_DAC_INDEX_WRITE (0x48)
153#define AST_IO_DAC_DATA (0x49)
154#define AST_IO_GR_PORT (0x4E)
155#define AST_IO_CRTC_PORT (0x54)
156#define AST_IO_INPUT_STATUS1_READ (0x5A)
157#define AST_IO_MISC_PORT_READ (0x4C)
158
159#define AST_IO_MM_OFFSET (0x380)
160
161#define __ast_read(x) \
162static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
163u##x val = 0;\
164val = ioread##x(ast->regs + reg); \
165return val;\
166}
167
168__ast_read(8);
169__ast_read(16);
170__ast_read(32)
171
172#define __ast_io_read(x) \
173static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
174u##x val = 0;\
175val = ioread##x(ast->ioregs + reg); \
176return val;\
177}
178
179__ast_io_read(8);
180__ast_io_read(16);
181__ast_io_read(32);
182
183#define __ast_write(x) \
184static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
185 iowrite##x(val, ast->regs + reg);\
186 }
187
188__ast_write(8);
189__ast_write(16);
190__ast_write(32);
191
192#define __ast_io_write(x) \
193static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
194 iowrite##x(val, ast->ioregs + reg);\
195 }
196
197__ast_io_write(8);
198__ast_io_write(16);
199#undef __ast_io_write
200
201static inline void ast_set_index_reg(struct ast_private *ast,
202 uint32_t base, uint8_t index,
203 uint8_t val)
204{
205 ast_io_write16(ast, base, ((u16)val << 8) | index);
206}
207
208void ast_set_index_reg_mask(struct ast_private *ast,
209 uint32_t base, uint8_t index,
210 uint8_t mask, uint8_t val);
211uint8_t ast_get_index_reg(struct ast_private *ast,
212 uint32_t base, uint8_t index);
213uint8_t ast_get_index_reg_mask(struct ast_private *ast,
214 uint32_t base, uint8_t index, uint8_t mask);
215
216static inline void ast_open_key(struct ast_private *ast)
217{
218 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
219}
220
221#define AST_VIDMEM_SIZE_8M 0x00800000
222#define AST_VIDMEM_SIZE_16M 0x01000000
223#define AST_VIDMEM_SIZE_32M 0x02000000
224#define AST_VIDMEM_SIZE_64M 0x04000000
225#define AST_VIDMEM_SIZE_128M 0x08000000
226
227#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
228
229struct ast_i2c_chan {
230 struct i2c_adapter adapter;
231 struct drm_device *dev;
232 struct i2c_algo_bit_data bit;
233};
234
235struct ast_connector {
236 struct drm_connector base;
237 struct ast_i2c_chan *i2c;
238};
239
240#define to_ast_connector(x) container_of(x, struct ast_connector, base)
241
242struct ast_vbios_stdtable {
243 u8 misc;
244 u8 seq[4];
245 u8 crtc[25];
246 u8 ar[20];
247 u8 gr[9];
248};
249
250struct ast_vbios_enhtable {
251 u32 ht;
252 u32 hde;
253 u32 hfp;
254 u32 hsync;
255 u32 vt;
256 u32 vde;
257 u32 vfp;
258 u32 vsync;
259 u32 dclk_index;
260 u32 flags;
261 u32 refresh_rate;
262 u32 refresh_rate_index;
263 u32 mode_id;
264};
265
266struct ast_vbios_dclk_info {
267 u8 param1;
268 u8 param2;
269 u8 param3;
270};
271
272struct ast_vbios_mode_info {
273 const struct ast_vbios_stdtable *std_table;
274 const struct ast_vbios_enhtable *enh_table;
275};
276
277struct ast_crtc_state {
278 struct drm_crtc_state base;
279
280 /* Last known format of primary plane */
281 const struct drm_format_info *format;
282
283 struct ast_vbios_mode_info vbios_mode_info;
284};
285
286#define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
287
288int ast_mode_config_init(struct ast_private *ast);
289
290#define AST_MM_ALIGN_SHIFT 4
291#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
292
293int ast_mm_init(struct ast_private *ast);
294
295/* ast post */
296void ast_enable_vga(struct drm_device *dev);
297void ast_enable_mmio(struct drm_device *dev);
298bool ast_is_vga_enabled(struct drm_device *dev);
299void ast_post_gpu(struct drm_device *dev);
300u32 ast_mindwm(struct ast_private *ast, u32 r);
301void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
302/* ast dp501 */
303void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
304bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
305bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
306u8 ast_get_dp501_max_clk(struct drm_device *dev);
307void ast_init_3rdtx(struct drm_device *dev);
308void ast_release_firmware(struct drm_device *dev);
309
310/* ast_cursor.c */
311int ast_cursor_init(struct ast_private *ast);
312int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb);
313void ast_cursor_page_flip(struct ast_private *ast);
314void ast_cursor_show(struct ast_private *ast, int x, int y,
315 unsigned int offset_x, unsigned int offset_y);
316void ast_cursor_hide(struct ast_private *ast);
317
318#endif
1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
18 * USE OR OTHER DEALINGS IN THE SOFTWARE.
19 *
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
22 * of the Software.
23 *
24 */
25/*
26 * Authors: Dave Airlie <airlied@redhat.com>
27 */
28#ifndef __AST_DRV_H__
29#define __AST_DRV_H__
30
31#include <linux/i2c.h>
32#include <linux/i2c-algo-bit.h>
33#include <linux/io.h>
34#include <linux/types.h>
35
36#include <drm/drm_connector.h>
37#include <drm/drm_crtc.h>
38#include <drm/drm_encoder.h>
39#include <drm/drm_mode.h>
40#include <drm/drm_framebuffer.h>
41
42#define DRIVER_AUTHOR "Dave Airlie"
43
44#define DRIVER_NAME "ast"
45#define DRIVER_DESC "AST"
46#define DRIVER_DATE "20120228"
47
48#define DRIVER_MAJOR 0
49#define DRIVER_MINOR 1
50#define DRIVER_PATCHLEVEL 0
51
52#define PCI_CHIP_AST2000 0x2000
53#define PCI_CHIP_AST2100 0x2010
54
55
56enum ast_chip {
57 AST2000,
58 AST2100,
59 AST1100,
60 AST2200,
61 AST2150,
62 AST2300,
63 AST2400,
64 AST2500,
65 AST2600,
66};
67
68enum ast_tx_chip {
69 AST_TX_NONE,
70 AST_TX_SIL164,
71 AST_TX_DP501,
72 AST_TX_ASTDP,
73};
74
75#define AST_TX_NONE_BIT BIT(AST_TX_NONE)
76#define AST_TX_SIL164_BIT BIT(AST_TX_SIL164)
77#define AST_TX_DP501_BIT BIT(AST_TX_DP501)
78#define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP)
79
80#define AST_DRAM_512Mx16 0
81#define AST_DRAM_1Gx16 1
82#define AST_DRAM_512Mx32 2
83#define AST_DRAM_1Gx32 3
84#define AST_DRAM_2Gx16 6
85#define AST_DRAM_4Gx16 7
86#define AST_DRAM_8Gx16 8
87
88/*
89 * Hardware cursor
90 */
91
92#define AST_MAX_HWC_WIDTH 64
93#define AST_MAX_HWC_HEIGHT 64
94
95#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
96#define AST_HWC_SIGNATURE_SIZE 32
97
98/* define for signature structure */
99#define AST_HWC_SIGNATURE_CHECKSUM 0x00
100#define AST_HWC_SIGNATURE_SizeX 0x04
101#define AST_HWC_SIGNATURE_SizeY 0x08
102#define AST_HWC_SIGNATURE_X 0x0C
103#define AST_HWC_SIGNATURE_Y 0x10
104#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
105#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
106
107/*
108 * Planes
109 */
110
111struct ast_plane {
112 struct drm_plane base;
113
114 void __iomem *vaddr;
115 u64 offset;
116 unsigned long size;
117};
118
119static inline struct ast_plane *to_ast_plane(struct drm_plane *plane)
120{
121 return container_of(plane, struct ast_plane, base);
122}
123
124/*
125 * Connector with i2c channel
126 */
127
128struct ast_i2c_chan {
129 struct i2c_adapter adapter;
130 struct drm_device *dev;
131 struct i2c_algo_bit_data bit;
132};
133
134struct ast_vga_connector {
135 struct drm_connector base;
136 struct ast_i2c_chan *i2c;
137};
138
139static inline struct ast_vga_connector *
140to_ast_vga_connector(struct drm_connector *connector)
141{
142 return container_of(connector, struct ast_vga_connector, base);
143}
144
145struct ast_sil164_connector {
146 struct drm_connector base;
147 struct ast_i2c_chan *i2c;
148};
149
150static inline struct ast_sil164_connector *
151to_ast_sil164_connector(struct drm_connector *connector)
152{
153 return container_of(connector, struct ast_sil164_connector, base);
154}
155
156/*
157 * Device
158 */
159
160struct ast_private {
161 struct drm_device base;
162
163 struct mutex ioregs_lock; /* Protects access to I/O registers in ioregs */
164 void __iomem *regs;
165 void __iomem *ioregs;
166 void __iomem *dp501_fw_buf;
167
168 enum ast_chip chip;
169 bool vga2_clone;
170 uint32_t dram_bus_width;
171 uint32_t dram_type;
172 uint32_t mclk;
173
174 void __iomem *vram;
175 unsigned long vram_base;
176 unsigned long vram_size;
177 unsigned long vram_fb_available;
178
179 struct ast_plane primary_plane;
180 struct ast_plane cursor_plane;
181 struct drm_crtc crtc;
182 struct {
183 struct {
184 struct drm_encoder encoder;
185 struct ast_vga_connector vga_connector;
186 } vga;
187 struct {
188 struct drm_encoder encoder;
189 struct ast_sil164_connector sil164_connector;
190 } sil164;
191 struct {
192 struct drm_encoder encoder;
193 struct drm_connector connector;
194 } dp501;
195 struct {
196 struct drm_encoder encoder;
197 struct drm_connector connector;
198 } astdp;
199 } output;
200
201 bool support_wide_screen;
202 enum {
203 ast_use_p2a,
204 ast_use_dt,
205 ast_use_defaults
206 } config_mode;
207
208 unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */
209 u8 *dp501_fw_addr;
210 const struct firmware *dp501_fw; /* dp501 fw */
211};
212
213static inline struct ast_private *to_ast_private(struct drm_device *dev)
214{
215 return container_of(dev, struct ast_private, base);
216}
217
218struct ast_private *ast_device_create(const struct drm_driver *drv,
219 struct pci_dev *pdev,
220 unsigned long flags);
221
222#define AST_IO_AR_PORT_WRITE (0x40)
223#define AST_IO_MISC_PORT_WRITE (0x42)
224#define AST_IO_VGA_ENABLE_PORT (0x43)
225#define AST_IO_SEQ_PORT (0x44)
226#define AST_IO_DAC_INDEX_READ (0x47)
227#define AST_IO_DAC_INDEX_WRITE (0x48)
228#define AST_IO_DAC_DATA (0x49)
229#define AST_IO_GR_PORT (0x4E)
230#define AST_IO_CRTC_PORT (0x54)
231#define AST_IO_INPUT_STATUS1_READ (0x5A)
232#define AST_IO_MISC_PORT_READ (0x4C)
233
234#define AST_IO_MM_OFFSET (0x380)
235
236#define AST_IO_VGAIR1_VREFRESH BIT(3)
237
238#define AST_IO_VGACRCB_HWC_ENABLED BIT(1)
239#define AST_IO_VGACRCB_HWC_16BPP BIT(0) /* set: ARGB4444, cleared: 2bpp palette */
240
241#define __ast_read(x) \
242static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
243u##x val = 0;\
244val = ioread##x(ast->regs + reg); \
245return val;\
246}
247
248__ast_read(8);
249__ast_read(16);
250__ast_read(32)
251
252#define __ast_io_read(x) \
253static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
254u##x val = 0;\
255val = ioread##x(ast->ioregs + reg); \
256return val;\
257}
258
259__ast_io_read(8);
260__ast_io_read(16);
261__ast_io_read(32);
262
263#define __ast_write(x) \
264static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
265 iowrite##x(val, ast->regs + reg);\
266 }
267
268__ast_write(8);
269__ast_write(16);
270__ast_write(32);
271
272#define __ast_io_write(x) \
273static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
274 iowrite##x(val, ast->ioregs + reg);\
275 }
276
277__ast_io_write(8);
278__ast_io_write(16);
279#undef __ast_io_write
280
281static inline void ast_set_index_reg(struct ast_private *ast,
282 uint32_t base, uint8_t index,
283 uint8_t val)
284{
285 ast_io_write16(ast, base, ((u16)val << 8) | index);
286}
287
288void ast_set_index_reg_mask(struct ast_private *ast,
289 uint32_t base, uint8_t index,
290 uint8_t mask, uint8_t val);
291uint8_t ast_get_index_reg(struct ast_private *ast,
292 uint32_t base, uint8_t index);
293uint8_t ast_get_index_reg_mask(struct ast_private *ast,
294 uint32_t base, uint8_t index, uint8_t mask);
295
296static inline void ast_open_key(struct ast_private *ast)
297{
298 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
299}
300
301#define AST_VIDMEM_SIZE_8M 0x00800000
302#define AST_VIDMEM_SIZE_16M 0x01000000
303#define AST_VIDMEM_SIZE_32M 0x02000000
304#define AST_VIDMEM_SIZE_64M 0x04000000
305#define AST_VIDMEM_SIZE_128M 0x08000000
306
307#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
308
309struct ast_vbios_stdtable {
310 u8 misc;
311 u8 seq[4];
312 u8 crtc[25];
313 u8 ar[20];
314 u8 gr[9];
315};
316
317struct ast_vbios_enhtable {
318 u32 ht;
319 u32 hde;
320 u32 hfp;
321 u32 hsync;
322 u32 vt;
323 u32 vde;
324 u32 vfp;
325 u32 vsync;
326 u32 dclk_index;
327 u32 flags;
328 u32 refresh_rate;
329 u32 refresh_rate_index;
330 u32 mode_id;
331};
332
333struct ast_vbios_dclk_info {
334 u8 param1;
335 u8 param2;
336 u8 param3;
337};
338
339struct ast_vbios_mode_info {
340 const struct ast_vbios_stdtable *std_table;
341 const struct ast_vbios_enhtable *enh_table;
342};
343
344struct ast_crtc_state {
345 struct drm_crtc_state base;
346
347 /* Last known format of primary plane */
348 const struct drm_format_info *format;
349
350 struct ast_vbios_mode_info vbios_mode_info;
351};
352
353#define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
354
355int ast_mode_config_init(struct ast_private *ast);
356
357#define AST_MM_ALIGN_SHIFT 4
358#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
359
360#define AST_DP501_FW_VERSION_MASK GENMASK(7, 4)
361#define AST_DP501_FW_VERSION_1 BIT(4)
362#define AST_DP501_PNP_CONNECTED BIT(1)
363
364#define AST_DP501_DEFAULT_DCLK 65
365
366#define AST_DP501_GBL_VERSION 0xf000
367#define AST_DP501_PNPMONITOR 0xf010
368#define AST_DP501_LINKRATE 0xf014
369#define AST_DP501_EDID_DATA 0xf020
370
371/* Define for Soc scratched reg */
372#define COPROCESSOR_LAUNCH BIT(5)
373
374/*
375 * Display Transmitter Type:
376 */
377#define TX_TYPE_MASK GENMASK(3, 1)
378#define NO_TX (0 << 1)
379#define ITE66121_VBIOS_TX (1 << 1)
380#define SI164_VBIOS_TX (2 << 1)
381#define CH7003_VBIOS_TX (3 << 1)
382#define DP501_VBIOS_TX (4 << 1)
383#define ANX9807_VBIOS_TX (5 << 1)
384#define TX_FW_EMBEDDED_FW_TX (6 << 1)
385#define ASTDP_DPMCU_TX (7 << 1)
386
387#define AST_VRAM_INIT_STATUS_MASK GENMASK(7, 6)
388//#define AST_VRAM_INIT_BY_BMC BIT(7)
389//#define AST_VRAM_INIT_READY BIT(6)
390
391/* Define for Soc scratched reg used on ASTDP */
392#define AST_DP_PHY_SLEEP BIT(4)
393#define AST_DP_VIDEO_ENABLE BIT(0)
394
395#define AST_DP_POWER_ON true
396#define AST_DP_POWER_OFF false
397
398/*
399 * CRD1[b5]: DP MCU FW is executing
400 * CRDC[b0]: DP link success
401 * CRDF[b0]: DP HPD
402 * CRE5[b0]: Host reading EDID process is done
403 */
404#define ASTDP_MCU_FW_EXECUTING BIT(5)
405#define ASTDP_LINK_SUCCESS BIT(0)
406#define ASTDP_HPD BIT(0)
407#define ASTDP_HOST_EDID_READ_DONE BIT(0)
408#define ASTDP_HOST_EDID_READ_DONE_MASK GENMASK(0, 0)
409
410/*
411 * CRB8[b1]: Enable VSYNC off
412 * CRB8[b0]: Enable HSYNC off
413 */
414#define AST_DPMS_VSYNC_OFF BIT(1)
415#define AST_DPMS_HSYNC_OFF BIT(0)
416
417/*
418 * CRDF[b4]: Mirror of AST_DP_VIDEO_ENABLE
419 * Precondition: A. ~AST_DP_PHY_SLEEP &&
420 * B. DP_HPD &&
421 * C. DP_LINK_SUCCESS
422 */
423#define ASTDP_MIRROR_VIDEO_ENABLE BIT(4)
424
425#define ASTDP_EDID_READ_POINTER_MASK GENMASK(7, 0)
426#define ASTDP_EDID_VALID_FLAG_MASK GENMASK(0, 0)
427#define ASTDP_EDID_READ_DATA_MASK GENMASK(7, 0)
428
429/*
430 * ASTDP setmode registers:
431 * CRE0[7:0]: MISC0 ((0x00: 18-bpp) or (0x20: 24-bpp)
432 * CRE1[7:0]: MISC1 (default: 0x00)
433 * CRE2[7:0]: video format index (0x00 ~ 0x20 or 0x40 ~ 0x50)
434 */
435#define ASTDP_MISC0_24bpp BIT(5)
436#define ASTDP_MISC1 0
437#define ASTDP_AND_CLEAR_MASK 0x00
438
439/*
440 * ASTDP resoultion table:
441 * EX: ASTDP_A_B_C:
442 * A: Resolution
443 * B: Refresh Rate
444 * C: Misc information, such as CVT, Reduce Blanked
445 */
446#define ASTDP_640x480_60 0x00
447#define ASTDP_640x480_72 0x01
448#define ASTDP_640x480_75 0x02
449#define ASTDP_640x480_85 0x03
450#define ASTDP_800x600_56 0x04
451#define ASTDP_800x600_60 0x05
452#define ASTDP_800x600_72 0x06
453#define ASTDP_800x600_75 0x07
454#define ASTDP_800x600_85 0x08
455#define ASTDP_1024x768_60 0x09
456#define ASTDP_1024x768_70 0x0A
457#define ASTDP_1024x768_75 0x0B
458#define ASTDP_1024x768_85 0x0C
459#define ASTDP_1280x1024_60 0x0D
460#define ASTDP_1280x1024_75 0x0E
461#define ASTDP_1280x1024_85 0x0F
462#define ASTDP_1600x1200_60 0x10
463#define ASTDP_320x240_60 0x11
464#define ASTDP_400x300_60 0x12
465#define ASTDP_512x384_60 0x13
466#define ASTDP_1920x1200_60 0x14
467#define ASTDP_1920x1080_60 0x15
468#define ASTDP_1280x800_60 0x16
469#define ASTDP_1280x800_60_RB 0x17
470#define ASTDP_1440x900_60 0x18
471#define ASTDP_1440x900_60_RB 0x19
472#define ASTDP_1680x1050_60 0x1A
473#define ASTDP_1680x1050_60_RB 0x1B
474#define ASTDP_1600x900_60 0x1C
475#define ASTDP_1600x900_60_RB 0x1D
476#define ASTDP_1366x768_60 0x1E
477#define ASTDP_1152x864_75 0x1F
478
479int ast_mm_init(struct ast_private *ast);
480
481/* ast post */
482void ast_enable_vga(struct drm_device *dev);
483void ast_enable_mmio(struct drm_device *dev);
484bool ast_is_vga_enabled(struct drm_device *dev);
485void ast_post_gpu(struct drm_device *dev);
486u32 ast_mindwm(struct ast_private *ast, u32 r);
487void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
488void ast_patch_ahb_2500(struct ast_private *ast);
489/* ast dp501 */
490void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
491bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
492bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
493u8 ast_get_dp501_max_clk(struct drm_device *dev);
494void ast_init_3rdtx(struct drm_device *dev);
495
496/* ast_i2c.c */
497struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev);
498
499/* aspeed DP */
500int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata);
501void ast_dp_launch(struct drm_device *dev, u8 bPower);
502void ast_dp_power_on_off(struct drm_device *dev, bool no);
503void ast_dp_set_on_off(struct drm_device *dev, bool no);
504void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode);
505
506#endif