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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 <drm/drm_fb_helper.h>
32
33#include <drm/ttm/ttm_bo_api.h>
34#include <drm/ttm/ttm_bo_driver.h>
35#include <drm/ttm/ttm_placement.h>
36#include <drm/ttm/ttm_memory.h>
37#include <drm/ttm/ttm_module.h>
38
39#include <drm/drm_gem.h>
40
41#include <linux/i2c.h>
42#include <linux/i2c-algo-bit.h>
43
44#define DRIVER_AUTHOR "Dave Airlie"
45
46#define DRIVER_NAME "ast"
47#define DRIVER_DESC "AST"
48#define DRIVER_DATE "20120228"
49
50#define DRIVER_MAJOR 0
51#define DRIVER_MINOR 1
52#define DRIVER_PATCHLEVEL 0
53
54#define PCI_CHIP_AST2000 0x2000
55#define PCI_CHIP_AST2100 0x2010
56#define PCI_CHIP_AST1180 0x1180
57
58
59enum ast_chip {
60 AST2000,
61 AST2100,
62 AST1100,
63 AST2200,
64 AST2150,
65 AST2300,
66 AST2400,
67 AST1180,
68};
69
70enum ast_tx_chip {
71 AST_TX_NONE,
72 AST_TX_SIL164,
73 AST_TX_ITE66121,
74 AST_TX_DP501,
75};
76
77#define AST_DRAM_512Mx16 0
78#define AST_DRAM_1Gx16 1
79#define AST_DRAM_512Mx32 2
80#define AST_DRAM_1Gx32 3
81#define AST_DRAM_2Gx16 6
82#define AST_DRAM_4Gx16 7
83
84struct ast_fbdev;
85
86struct ast_private {
87 struct drm_device *dev;
88
89 void __iomem *regs;
90 void __iomem *ioregs;
91
92 enum ast_chip chip;
93 bool vga2_clone;
94 uint32_t dram_bus_width;
95 uint32_t dram_type;
96 uint32_t mclk;
97 uint32_t vram_size;
98
99 struct ast_fbdev *fbdev;
100
101 int fb_mtrr;
102
103 struct {
104 struct drm_global_reference mem_global_ref;
105 struct ttm_bo_global_ref bo_global_ref;
106 struct ttm_bo_device bdev;
107 } ttm;
108
109 struct drm_gem_object *cursor_cache;
110 uint64_t cursor_cache_gpu_addr;
111 /* Acces to this cache is protected by the crtc->mutex of the only crtc
112 * we have. */
113 struct ttm_bo_kmap_obj cache_kmap;
114 int next_cursor;
115 bool support_wide_screen;
116
117 enum ast_tx_chip tx_chip_type;
118 u8 dp501_maxclk;
119 u8 *dp501_fw_addr;
120 const struct firmware *dp501_fw; /* dp501 fw */
121};
122
123int ast_driver_load(struct drm_device *dev, unsigned long flags);
124int ast_driver_unload(struct drm_device *dev);
125
126struct ast_gem_object;
127
128#define AST_IO_AR_PORT_WRITE (0x40)
129#define AST_IO_MISC_PORT_WRITE (0x42)
130#define AST_IO_VGA_ENABLE_PORT (0x43)
131#define AST_IO_SEQ_PORT (0x44)
132#define AST_IO_DAC_INDEX_READ (0x47)
133#define AST_IO_DAC_INDEX_WRITE (0x48)
134#define AST_IO_DAC_DATA (0x49)
135#define AST_IO_GR_PORT (0x4E)
136#define AST_IO_CRTC_PORT (0x54)
137#define AST_IO_INPUT_STATUS1_READ (0x5A)
138#define AST_IO_MISC_PORT_READ (0x4C)
139
140#define AST_IO_MM_OFFSET (0x380)
141
142#define __ast_read(x) \
143static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
144u##x val = 0;\
145val = ioread##x(ast->regs + reg); \
146return val;\
147}
148
149__ast_read(8);
150__ast_read(16);
151__ast_read(32)
152
153#define __ast_io_read(x) \
154static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
155u##x val = 0;\
156val = ioread##x(ast->ioregs + reg); \
157return val;\
158}
159
160__ast_io_read(8);
161__ast_io_read(16);
162__ast_io_read(32);
163
164#define __ast_write(x) \
165static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
166 iowrite##x(val, ast->regs + reg);\
167 }
168
169__ast_write(8);
170__ast_write(16);
171__ast_write(32);
172
173#define __ast_io_write(x) \
174static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
175 iowrite##x(val, ast->ioregs + reg);\
176 }
177
178__ast_io_write(8);
179__ast_io_write(16);
180#undef __ast_io_write
181
182static inline void ast_set_index_reg(struct ast_private *ast,
183 uint32_t base, uint8_t index,
184 uint8_t val)
185{
186 ast_io_write16(ast, base, ((u16)val << 8) | index);
187}
188
189void ast_set_index_reg_mask(struct ast_private *ast,
190 uint32_t base, uint8_t index,
191 uint8_t mask, uint8_t val);
192uint8_t ast_get_index_reg(struct ast_private *ast,
193 uint32_t base, uint8_t index);
194uint8_t ast_get_index_reg_mask(struct ast_private *ast,
195 uint32_t base, uint8_t index, uint8_t mask);
196
197static inline void ast_open_key(struct ast_private *ast)
198{
199 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
200}
201
202#define AST_VIDMEM_SIZE_8M 0x00800000
203#define AST_VIDMEM_SIZE_16M 0x01000000
204#define AST_VIDMEM_SIZE_32M 0x02000000
205#define AST_VIDMEM_SIZE_64M 0x04000000
206#define AST_VIDMEM_SIZE_128M 0x08000000
207
208#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
209
210#define AST_MAX_HWC_WIDTH 64
211#define AST_MAX_HWC_HEIGHT 64
212
213#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH*AST_MAX_HWC_HEIGHT*2)
214#define AST_HWC_SIGNATURE_SIZE 32
215
216#define AST_DEFAULT_HWC_NUM 2
217/* define for signature structure */
218#define AST_HWC_SIGNATURE_CHECKSUM 0x00
219#define AST_HWC_SIGNATURE_SizeX 0x04
220#define AST_HWC_SIGNATURE_SizeY 0x08
221#define AST_HWC_SIGNATURE_X 0x0C
222#define AST_HWC_SIGNATURE_Y 0x10
223#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
224#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
225
226
227struct ast_i2c_chan {
228 struct i2c_adapter adapter;
229 struct drm_device *dev;
230 struct i2c_algo_bit_data bit;
231};
232
233struct ast_connector {
234 struct drm_connector base;
235 struct ast_i2c_chan *i2c;
236};
237
238struct ast_crtc {
239 struct drm_crtc base;
240 u8 lut_r[256], lut_g[256], lut_b[256];
241 struct drm_gem_object *cursor_bo;
242 uint64_t cursor_addr;
243 int cursor_width, cursor_height;
244 u8 offset_x, offset_y;
245};
246
247struct ast_encoder {
248 struct drm_encoder base;
249};
250
251struct ast_framebuffer {
252 struct drm_framebuffer base;
253 struct drm_gem_object *obj;
254};
255
256struct ast_fbdev {
257 struct drm_fb_helper helper;
258 struct ast_framebuffer afb;
259 void *sysram;
260 int size;
261 struct ttm_bo_kmap_obj mapping;
262 int x1, y1, x2, y2; /* dirty rect */
263 spinlock_t dirty_lock;
264};
265
266#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
267#define to_ast_connector(x) container_of(x, struct ast_connector, base)
268#define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
269#define to_ast_framebuffer(x) container_of(x, struct ast_framebuffer, base)
270
271struct ast_vbios_stdtable {
272 u8 misc;
273 u8 seq[4];
274 u8 crtc[25];
275 u8 ar[20];
276 u8 gr[9];
277};
278
279struct ast_vbios_enhtable {
280 u32 ht;
281 u32 hde;
282 u32 hfp;
283 u32 hsync;
284 u32 vt;
285 u32 vde;
286 u32 vfp;
287 u32 vsync;
288 u32 dclk_index;
289 u32 flags;
290 u32 refresh_rate;
291 u32 refresh_rate_index;
292 u32 mode_id;
293};
294
295struct ast_vbios_dclk_info {
296 u8 param1;
297 u8 param2;
298 u8 param3;
299};
300
301struct ast_vbios_mode_info {
302 struct ast_vbios_stdtable *std_table;
303 struct ast_vbios_enhtable *enh_table;
304};
305
306extern int ast_mode_init(struct drm_device *dev);
307extern void ast_mode_fini(struct drm_device *dev);
308
309int ast_framebuffer_init(struct drm_device *dev,
310 struct ast_framebuffer *ast_fb,
311 const struct drm_mode_fb_cmd2 *mode_cmd,
312 struct drm_gem_object *obj);
313
314int ast_fbdev_init(struct drm_device *dev);
315void ast_fbdev_fini(struct drm_device *dev);
316void ast_fbdev_set_suspend(struct drm_device *dev, int state);
317void ast_fbdev_set_base(struct ast_private *ast, unsigned long gpu_addr);
318
319struct ast_bo {
320 struct ttm_buffer_object bo;
321 struct ttm_placement placement;
322 struct ttm_bo_kmap_obj kmap;
323 struct drm_gem_object gem;
324 struct ttm_place placements[3];
325 int pin_count;
326};
327#define gem_to_ast_bo(gobj) container_of((gobj), struct ast_bo, gem)
328
329static inline struct ast_bo *
330ast_bo(struct ttm_buffer_object *bo)
331{
332 return container_of(bo, struct ast_bo, bo);
333}
334
335
336#define to_ast_obj(x) container_of(x, struct ast_gem_object, base)
337
338#define AST_MM_ALIGN_SHIFT 4
339#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
340
341extern int ast_dumb_create(struct drm_file *file,
342 struct drm_device *dev,
343 struct drm_mode_create_dumb *args);
344
345extern void ast_gem_free_object(struct drm_gem_object *obj);
346extern int ast_dumb_mmap_offset(struct drm_file *file,
347 struct drm_device *dev,
348 uint32_t handle,
349 uint64_t *offset);
350
351#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
352
353int ast_mm_init(struct ast_private *ast);
354void ast_mm_fini(struct ast_private *ast);
355
356int ast_bo_create(struct drm_device *dev, int size, int align,
357 uint32_t flags, struct ast_bo **pastbo);
358
359int ast_gem_create(struct drm_device *dev,
360 u32 size, bool iskernel,
361 struct drm_gem_object **obj);
362
363int ast_bo_pin(struct ast_bo *bo, u32 pl_flag, u64 *gpu_addr);
364int ast_bo_unpin(struct ast_bo *bo);
365
366static inline int ast_bo_reserve(struct ast_bo *bo, bool no_wait)
367{
368 int ret;
369
370 ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, NULL);
371 if (ret) {
372 if (ret != -ERESTARTSYS && ret != -EBUSY)
373 DRM_ERROR("reserve failed %p\n", bo);
374 return ret;
375 }
376 return 0;
377}
378
379static inline void ast_bo_unreserve(struct ast_bo *bo)
380{
381 ttm_bo_unreserve(&bo->bo);
382}
383
384void ast_ttm_placement(struct ast_bo *bo, int domain);
385int ast_bo_push_sysram(struct ast_bo *bo);
386int ast_mmap(struct file *filp, struct vm_area_struct *vma);
387
388/* ast post */
389void ast_enable_vga(struct drm_device *dev);
390void ast_enable_mmio(struct drm_device *dev);
391bool ast_is_vga_enabled(struct drm_device *dev);
392void ast_post_gpu(struct drm_device *dev);
393u32 ast_mindwm(struct ast_private *ast, u32 r);
394void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
395/* ast dp501 */
396int ast_load_dp501_microcode(struct drm_device *dev);
397void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
398bool ast_launch_m68k(struct drm_device *dev);
399bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
400bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
401u8 ast_get_dp501_max_clk(struct drm_device *dev);
402void ast_init_3rdtx(struct drm_device *dev);
403#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#include "ast_reg.h"
43
44#define DRIVER_AUTHOR "Dave Airlie"
45
46#define DRIVER_NAME "ast"
47#define DRIVER_DESC "AST"
48#define DRIVER_DATE "20120228"
49
50#define DRIVER_MAJOR 0
51#define DRIVER_MINOR 1
52#define DRIVER_PATCHLEVEL 0
53
54#define PCI_CHIP_AST2000 0x2000
55#define PCI_CHIP_AST2100 0x2010
56
57#define __AST_CHIP(__gen, __index) ((__gen) << 16 | (__index))
58
59enum ast_chip {
60 /* 1st gen */
61 AST1000 = __AST_CHIP(1, 0), // unused
62 AST2000 = __AST_CHIP(1, 1),
63 /* 2nd gen */
64 AST1100 = __AST_CHIP(2, 0),
65 AST2100 = __AST_CHIP(2, 1),
66 AST2050 = __AST_CHIP(2, 2), // unused
67 /* 3rd gen */
68 AST2200 = __AST_CHIP(3, 0),
69 AST2150 = __AST_CHIP(3, 1),
70 /* 4th gen */
71 AST2300 = __AST_CHIP(4, 0),
72 AST1300 = __AST_CHIP(4, 1),
73 AST1050 = __AST_CHIP(4, 2), // unused
74 /* 5th gen */
75 AST2400 = __AST_CHIP(5, 0),
76 AST1400 = __AST_CHIP(5, 1),
77 AST1250 = __AST_CHIP(5, 2), // unused
78 /* 6th gen */
79 AST2500 = __AST_CHIP(6, 0),
80 AST2510 = __AST_CHIP(6, 1),
81 AST2520 = __AST_CHIP(6, 2), // unused
82 /* 7th gen */
83 AST2600 = __AST_CHIP(7, 0),
84 AST2620 = __AST_CHIP(7, 1), // unused
85};
86
87#define __AST_CHIP_GEN(__chip) (((unsigned long)(__chip)) >> 16)
88
89enum ast_tx_chip {
90 AST_TX_NONE,
91 AST_TX_SIL164,
92 AST_TX_DP501,
93 AST_TX_ASTDP,
94};
95
96#define AST_TX_NONE_BIT BIT(AST_TX_NONE)
97#define AST_TX_SIL164_BIT BIT(AST_TX_SIL164)
98#define AST_TX_DP501_BIT BIT(AST_TX_DP501)
99#define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP)
100
101enum ast_config_mode {
102 ast_use_p2a,
103 ast_use_dt,
104 ast_use_defaults
105};
106
107#define AST_DRAM_512Mx16 0
108#define AST_DRAM_1Gx16 1
109#define AST_DRAM_512Mx32 2
110#define AST_DRAM_1Gx32 3
111#define AST_DRAM_2Gx16 6
112#define AST_DRAM_4Gx16 7
113#define AST_DRAM_8Gx16 8
114
115/*
116 * Hardware cursor
117 */
118
119#define AST_MAX_HWC_WIDTH 64
120#define AST_MAX_HWC_HEIGHT 64
121
122#define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
123#define AST_HWC_SIGNATURE_SIZE 32
124
125/* define for signature structure */
126#define AST_HWC_SIGNATURE_CHECKSUM 0x00
127#define AST_HWC_SIGNATURE_SizeX 0x04
128#define AST_HWC_SIGNATURE_SizeY 0x08
129#define AST_HWC_SIGNATURE_X 0x0C
130#define AST_HWC_SIGNATURE_Y 0x10
131#define AST_HWC_SIGNATURE_HOTSPOTX 0x14
132#define AST_HWC_SIGNATURE_HOTSPOTY 0x18
133
134/*
135 * Planes
136 */
137
138struct ast_plane {
139 struct drm_plane base;
140
141 void __iomem *vaddr;
142 u64 offset;
143 unsigned long size;
144};
145
146static inline struct ast_plane *to_ast_plane(struct drm_plane *plane)
147{
148 return container_of(plane, struct ast_plane, base);
149}
150
151/*
152 * Connector with i2c channel
153 */
154
155struct ast_i2c_chan {
156 struct i2c_adapter adapter;
157 struct drm_device *dev;
158 struct i2c_algo_bit_data bit;
159};
160
161struct ast_vga_connector {
162 struct drm_connector base;
163 struct ast_i2c_chan *i2c;
164};
165
166static inline struct ast_vga_connector *
167to_ast_vga_connector(struct drm_connector *connector)
168{
169 return container_of(connector, struct ast_vga_connector, base);
170}
171
172struct ast_sil164_connector {
173 struct drm_connector base;
174 struct ast_i2c_chan *i2c;
175};
176
177static inline struct ast_sil164_connector *
178to_ast_sil164_connector(struct drm_connector *connector)
179{
180 return container_of(connector, struct ast_sil164_connector, base);
181}
182
183struct ast_bmc_connector {
184 struct drm_connector base;
185 struct drm_connector *physical_connector;
186};
187
188static inline struct ast_bmc_connector *
189to_ast_bmc_connector(struct drm_connector *connector)
190{
191 return container_of(connector, struct ast_bmc_connector, base);
192}
193
194/*
195 * Device
196 */
197
198struct ast_device {
199 struct drm_device base;
200
201 void __iomem *regs;
202 void __iomem *ioregs;
203 void __iomem *dp501_fw_buf;
204
205 enum ast_config_mode config_mode;
206 enum ast_chip chip;
207
208 uint32_t dram_bus_width;
209 uint32_t dram_type;
210 uint32_t mclk;
211
212 void __iomem *vram;
213 unsigned long vram_base;
214 unsigned long vram_size;
215 unsigned long vram_fb_available;
216
217 struct mutex modeset_lock; /* Protects access to modeset I/O registers in ioregs */
218
219 struct ast_plane primary_plane;
220 struct ast_plane cursor_plane;
221 struct drm_crtc crtc;
222 struct {
223 struct {
224 struct drm_encoder encoder;
225 struct ast_vga_connector vga_connector;
226 } vga;
227 struct {
228 struct drm_encoder encoder;
229 struct ast_sil164_connector sil164_connector;
230 } sil164;
231 struct {
232 struct drm_encoder encoder;
233 struct drm_connector connector;
234 } dp501;
235 struct {
236 struct drm_encoder encoder;
237 struct drm_connector connector;
238 } astdp;
239 struct {
240 struct drm_encoder encoder;
241 struct ast_bmc_connector bmc_connector;
242 } bmc;
243 } output;
244
245 bool support_wide_screen;
246
247 unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */
248 u8 *dp501_fw_addr;
249 const struct firmware *dp501_fw; /* dp501 fw */
250};
251
252static inline struct ast_device *to_ast_device(struct drm_device *dev)
253{
254 return container_of(dev, struct ast_device, base);
255}
256
257struct drm_device *ast_device_create(struct pci_dev *pdev,
258 const struct drm_driver *drv,
259 enum ast_chip chip,
260 enum ast_config_mode config_mode,
261 void __iomem *regs,
262 void __iomem *ioregs,
263 bool need_post);
264
265static inline unsigned long __ast_gen(struct ast_device *ast)
266{
267 return __AST_CHIP_GEN(ast->chip);
268}
269#define AST_GEN(__ast) __ast_gen(__ast)
270
271static inline bool __ast_gen_is_eq(struct ast_device *ast, unsigned long gen)
272{
273 return __ast_gen(ast) == gen;
274}
275#define IS_AST_GEN1(__ast) __ast_gen_is_eq(__ast, 1)
276#define IS_AST_GEN2(__ast) __ast_gen_is_eq(__ast, 2)
277#define IS_AST_GEN3(__ast) __ast_gen_is_eq(__ast, 3)
278#define IS_AST_GEN4(__ast) __ast_gen_is_eq(__ast, 4)
279#define IS_AST_GEN5(__ast) __ast_gen_is_eq(__ast, 5)
280#define IS_AST_GEN6(__ast) __ast_gen_is_eq(__ast, 6)
281#define IS_AST_GEN7(__ast) __ast_gen_is_eq(__ast, 7)
282
283static inline u8 __ast_read8(const void __iomem *addr, u32 reg)
284{
285 return ioread8(addr + reg);
286}
287
288static inline u32 __ast_read32(const void __iomem *addr, u32 reg)
289{
290 return ioread32(addr + reg);
291}
292
293static inline void __ast_write8(void __iomem *addr, u32 reg, u8 val)
294{
295 iowrite8(val, addr + reg);
296}
297
298static inline void __ast_write32(void __iomem *addr, u32 reg, u32 val)
299{
300 iowrite32(val, addr + reg);
301}
302
303static inline u8 __ast_read8_i(void __iomem *addr, u32 reg, u8 index)
304{
305 __ast_write8(addr, reg, index);
306 return __ast_read8(addr, reg + 1);
307}
308
309static inline u8 __ast_read8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask)
310{
311 u8 val = __ast_read8_i(addr, reg, index);
312
313 return val & read_mask;
314}
315
316static inline void __ast_write8_i(void __iomem *addr, u32 reg, u8 index, u8 val)
317{
318 __ast_write8(addr, reg, index);
319 __ast_write8(addr, reg + 1, val);
320}
321
322static inline void __ast_write8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask,
323 u8 val)
324{
325 u8 tmp = __ast_read8_i_masked(addr, reg, index, read_mask);
326
327 tmp |= val;
328 __ast_write8_i(addr, reg, index, tmp);
329}
330
331static inline u32 ast_read32(struct ast_device *ast, u32 reg)
332{
333 return __ast_read32(ast->regs, reg);
334}
335
336static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val)
337{
338 __ast_write32(ast->regs, reg, val);
339}
340
341static inline u8 ast_io_read8(struct ast_device *ast, u32 reg)
342{
343 return __ast_read8(ast->ioregs, reg);
344}
345
346static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val)
347{
348 __ast_write8(ast->ioregs, reg, val);
349}
350
351static inline u8 ast_get_index_reg(struct ast_device *ast, u32 base, u8 index)
352{
353 return __ast_read8_i(ast->ioregs, base, index);
354}
355
356static inline u8 ast_get_index_reg_mask(struct ast_device *ast, u32 base, u8 index,
357 u8 preserve_mask)
358{
359 return __ast_read8_i_masked(ast->ioregs, base, index, preserve_mask);
360}
361
362static inline void ast_set_index_reg(struct ast_device *ast, u32 base, u8 index, u8 val)
363{
364 __ast_write8_i(ast->ioregs, base, index, val);
365}
366
367static inline void ast_set_index_reg_mask(struct ast_device *ast, u32 base, u8 index,
368 u8 preserve_mask, u8 val)
369{
370 __ast_write8_i_masked(ast->ioregs, base, index, preserve_mask, val);
371}
372
373#define AST_VIDMEM_SIZE_8M 0x00800000
374#define AST_VIDMEM_SIZE_16M 0x01000000
375#define AST_VIDMEM_SIZE_32M 0x02000000
376#define AST_VIDMEM_SIZE_64M 0x04000000
377#define AST_VIDMEM_SIZE_128M 0x08000000
378
379#define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
380
381struct ast_vbios_stdtable {
382 u8 misc;
383 u8 seq[4];
384 u8 crtc[25];
385 u8 ar[20];
386 u8 gr[9];
387};
388
389struct ast_vbios_enhtable {
390 u32 ht;
391 u32 hde;
392 u32 hfp;
393 u32 hsync;
394 u32 vt;
395 u32 vde;
396 u32 vfp;
397 u32 vsync;
398 u32 dclk_index;
399 u32 flags;
400 u32 refresh_rate;
401 u32 refresh_rate_index;
402 u32 mode_id;
403};
404
405struct ast_vbios_dclk_info {
406 u8 param1;
407 u8 param2;
408 u8 param3;
409};
410
411struct ast_vbios_mode_info {
412 const struct ast_vbios_stdtable *std_table;
413 const struct ast_vbios_enhtable *enh_table;
414};
415
416struct ast_crtc_state {
417 struct drm_crtc_state base;
418
419 /* Last known format of primary plane */
420 const struct drm_format_info *format;
421
422 struct ast_vbios_mode_info vbios_mode_info;
423};
424
425#define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
426
427int ast_mode_config_init(struct ast_device *ast);
428
429#define AST_MM_ALIGN_SHIFT 4
430#define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
431
432#define AST_DP501_FW_VERSION_MASK GENMASK(7, 4)
433#define AST_DP501_FW_VERSION_1 BIT(4)
434#define AST_DP501_PNP_CONNECTED BIT(1)
435
436#define AST_DP501_DEFAULT_DCLK 65
437
438#define AST_DP501_GBL_VERSION 0xf000
439#define AST_DP501_PNPMONITOR 0xf010
440#define AST_DP501_LINKRATE 0xf014
441#define AST_DP501_EDID_DATA 0xf020
442
443#define AST_DP_POWER_ON true
444#define AST_DP_POWER_OFF false
445
446/*
447 * ASTDP resoultion table:
448 * EX: ASTDP_A_B_C:
449 * A: Resolution
450 * B: Refresh Rate
451 * C: Misc information, such as CVT, Reduce Blanked
452 */
453#define ASTDP_640x480_60 0x00
454#define ASTDP_640x480_72 0x01
455#define ASTDP_640x480_75 0x02
456#define ASTDP_640x480_85 0x03
457#define ASTDP_800x600_56 0x04
458#define ASTDP_800x600_60 0x05
459#define ASTDP_800x600_72 0x06
460#define ASTDP_800x600_75 0x07
461#define ASTDP_800x600_85 0x08
462#define ASTDP_1024x768_60 0x09
463#define ASTDP_1024x768_70 0x0A
464#define ASTDP_1024x768_75 0x0B
465#define ASTDP_1024x768_85 0x0C
466#define ASTDP_1280x1024_60 0x0D
467#define ASTDP_1280x1024_75 0x0E
468#define ASTDP_1280x1024_85 0x0F
469#define ASTDP_1600x1200_60 0x10
470#define ASTDP_320x240_60 0x11
471#define ASTDP_400x300_60 0x12
472#define ASTDP_512x384_60 0x13
473#define ASTDP_1920x1200_60 0x14
474#define ASTDP_1920x1080_60 0x15
475#define ASTDP_1280x800_60 0x16
476#define ASTDP_1280x800_60_RB 0x17
477#define ASTDP_1440x900_60 0x18
478#define ASTDP_1440x900_60_RB 0x19
479#define ASTDP_1680x1050_60 0x1A
480#define ASTDP_1680x1050_60_RB 0x1B
481#define ASTDP_1600x900_60 0x1C
482#define ASTDP_1600x900_60_RB 0x1D
483#define ASTDP_1366x768_60 0x1E
484#define ASTDP_1152x864_75 0x1F
485
486int ast_mm_init(struct ast_device *ast);
487
488/* ast post */
489void ast_post_gpu(struct drm_device *dev);
490u32 ast_mindwm(struct ast_device *ast, u32 r);
491void ast_moutdwm(struct ast_device *ast, u32 r, u32 v);
492void ast_patch_ahb_2500(void __iomem *regs);
493/* ast dp501 */
494void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
495bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
496bool ast_dp501_is_connected(struct ast_device *ast);
497bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
498u8 ast_get_dp501_max_clk(struct drm_device *dev);
499void ast_init_3rdtx(struct drm_device *dev);
500
501/* ast_i2c.c */
502struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev);
503
504/* aspeed DP */
505bool ast_astdp_is_connected(struct ast_device *ast);
506int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata);
507void ast_dp_launch(struct drm_device *dev);
508void ast_dp_power_on_off(struct drm_device *dev, bool no);
509void ast_dp_set_on_off(struct drm_device *dev, bool no);
510void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode);
511
512#endif