2 * Copyright 2012 Red Hat Inc.
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:
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.
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
32 #include <linux/types.h>
34 #include <drm/drm_connector.h>
35 #include <drm/drm_crtc.h>
36 #include <drm/drm_encoder.h>
37 #include <drm/drm_mode.h>
38 #include <drm/drm_framebuffer.h>
42 #define DRIVER_AUTHOR "Dave Airlie"
44 #define DRIVER_NAME "ast"
45 #define DRIVER_DESC "AST"
46 #define DRIVER_DATE "20120228"
48 #define DRIVER_MAJOR 0
49 #define DRIVER_MINOR 1
50 #define DRIVER_PATCHLEVEL 0
52 #define PCI_CHIP_AST2000 0x2000
53 #define PCI_CHIP_AST2100 0x2010
55 #define __AST_CHIP(__gen, __index) ((__gen) << 16 | (__index))
59 AST1000 = __AST_CHIP(1, 0), // unused
60 AST2000 = __AST_CHIP(1, 1),
62 AST1100 = __AST_CHIP(2, 0),
63 AST2100 = __AST_CHIP(2, 1),
64 AST2050 = __AST_CHIP(2, 2), // unused
66 AST2200 = __AST_CHIP(3, 0),
67 AST2150 = __AST_CHIP(3, 1),
69 AST2300 = __AST_CHIP(4, 0),
70 AST1300 = __AST_CHIP(4, 1),
71 AST1050 = __AST_CHIP(4, 2), // unused
73 AST2400 = __AST_CHIP(5, 0),
74 AST1400 = __AST_CHIP(5, 1),
75 AST1250 = __AST_CHIP(5, 2), // unused
77 AST2500 = __AST_CHIP(6, 0),
78 AST2510 = __AST_CHIP(6, 1),
79 AST2520 = __AST_CHIP(6, 2), // unused
81 AST2600 = __AST_CHIP(7, 0),
82 AST2620 = __AST_CHIP(7, 1), // unused
85 #define __AST_CHIP_GEN(__chip) (((unsigned long)(__chip)) >> 16)
94 #define AST_TX_NONE_BIT BIT(AST_TX_NONE)
95 #define AST_TX_SIL164_BIT BIT(AST_TX_SIL164)
96 #define AST_TX_DP501_BIT BIT(AST_TX_DP501)
97 #define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP)
99 enum ast_config_mode {
105 #define AST_DRAM_512Mx16 0
106 #define AST_DRAM_1Gx16 1
107 #define AST_DRAM_512Mx32 2
108 #define AST_DRAM_1Gx32 3
109 #define AST_DRAM_2Gx16 6
110 #define AST_DRAM_4Gx16 7
111 #define AST_DRAM_8Gx16 8
117 #define AST_MAX_HWC_WIDTH 64
118 #define AST_MAX_HWC_HEIGHT 64
120 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
121 #define AST_HWC_SIGNATURE_SIZE 32
123 /* define for signature structure */
124 #define AST_HWC_SIGNATURE_CHECKSUM 0x00
125 #define AST_HWC_SIGNATURE_SizeX 0x04
126 #define AST_HWC_SIGNATURE_SizeY 0x08
127 #define AST_HWC_SIGNATURE_X 0x0C
128 #define AST_HWC_SIGNATURE_Y 0x10
129 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14
130 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18
137 struct drm_plane base;
144 static inline struct ast_plane *to_ast_plane(struct drm_plane *plane)
146 return container_of(plane, struct ast_plane, base);
153 struct ast_bmc_connector {
154 struct drm_connector base;
155 struct drm_connector *physical_connector;
158 static inline struct ast_bmc_connector *
159 to_ast_bmc_connector(struct drm_connector *connector)
161 return container_of(connector, struct ast_bmc_connector, base);
169 struct drm_device base;
172 void __iomem *ioregs;
173 void __iomem *dp501_fw_buf;
175 enum ast_config_mode config_mode;
178 uint32_t dram_bus_width;
183 unsigned long vram_base;
184 unsigned long vram_size;
185 unsigned long vram_fb_available;
187 struct mutex modeset_lock; /* Protects access to modeset I/O registers in ioregs */
189 struct ast_plane primary_plane;
190 struct ast_plane cursor_plane;
191 struct drm_crtc crtc;
194 struct drm_encoder encoder;
195 struct drm_connector connector;
198 struct drm_encoder encoder;
199 struct drm_connector connector;
202 struct drm_encoder encoder;
203 struct drm_connector connector;
206 struct drm_encoder encoder;
207 struct drm_connector connector;
210 struct drm_encoder encoder;
211 struct ast_bmc_connector bmc_connector;
215 bool support_wide_screen;
217 unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */
219 const struct firmware *dp501_fw; /* dp501 fw */
222 static inline struct ast_device *to_ast_device(struct drm_device *dev)
224 return container_of(dev, struct ast_device, base);
227 struct drm_device *ast_device_create(struct pci_dev *pdev,
228 const struct drm_driver *drv,
230 enum ast_config_mode config_mode,
232 void __iomem *ioregs,
235 static inline unsigned long __ast_gen(struct ast_device *ast)
237 return __AST_CHIP_GEN(ast->chip);
239 #define AST_GEN(__ast) __ast_gen(__ast)
241 static inline bool __ast_gen_is_eq(struct ast_device *ast, unsigned long gen)
243 return __ast_gen(ast) == gen;
245 #define IS_AST_GEN1(__ast) __ast_gen_is_eq(__ast, 1)
246 #define IS_AST_GEN2(__ast) __ast_gen_is_eq(__ast, 2)
247 #define IS_AST_GEN3(__ast) __ast_gen_is_eq(__ast, 3)
248 #define IS_AST_GEN4(__ast) __ast_gen_is_eq(__ast, 4)
249 #define IS_AST_GEN5(__ast) __ast_gen_is_eq(__ast, 5)
250 #define IS_AST_GEN6(__ast) __ast_gen_is_eq(__ast, 6)
251 #define IS_AST_GEN7(__ast) __ast_gen_is_eq(__ast, 7)
253 static inline u8 __ast_read8(const void __iomem *addr, u32 reg)
255 return ioread8(addr + reg);
258 static inline u32 __ast_read32(const void __iomem *addr, u32 reg)
260 return ioread32(addr + reg);
263 static inline void __ast_write8(void __iomem *addr, u32 reg, u8 val)
265 iowrite8(val, addr + reg);
268 static inline void __ast_write32(void __iomem *addr, u32 reg, u32 val)
270 iowrite32(val, addr + reg);
273 static inline u8 __ast_read8_i(void __iomem *addr, u32 reg, u8 index)
275 __ast_write8(addr, reg, index);
276 return __ast_read8(addr, reg + 1);
279 static inline u8 __ast_read8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask)
281 u8 val = __ast_read8_i(addr, reg, index);
283 return val & read_mask;
286 static inline void __ast_write8_i(void __iomem *addr, u32 reg, u8 index, u8 val)
288 __ast_write8(addr, reg, index);
289 __ast_write8(addr, reg + 1, val);
292 static inline void __ast_write8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask,
295 u8 tmp = __ast_read8_i_masked(addr, reg, index, read_mask);
298 __ast_write8_i(addr, reg, index, tmp);
301 static inline u32 ast_read32(struct ast_device *ast, u32 reg)
303 return __ast_read32(ast->regs, reg);
306 static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val)
308 __ast_write32(ast->regs, reg, val);
311 static inline u8 ast_io_read8(struct ast_device *ast, u32 reg)
313 return __ast_read8(ast->ioregs, reg);
316 static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val)
318 __ast_write8(ast->ioregs, reg, val);
321 static inline u8 ast_get_index_reg(struct ast_device *ast, u32 base, u8 index)
323 return __ast_read8_i(ast->ioregs, base, index);
326 static inline u8 ast_get_index_reg_mask(struct ast_device *ast, u32 base, u8 index,
329 return __ast_read8_i_masked(ast->ioregs, base, index, preserve_mask);
332 static inline void ast_set_index_reg(struct ast_device *ast, u32 base, u8 index, u8 val)
334 __ast_write8_i(ast->ioregs, base, index, val);
337 static inline void ast_set_index_reg_mask(struct ast_device *ast, u32 base, u8 index,
338 u8 preserve_mask, u8 val)
340 __ast_write8_i_masked(ast->ioregs, base, index, preserve_mask, val);
343 #define AST_VIDMEM_SIZE_8M 0x00800000
344 #define AST_VIDMEM_SIZE_16M 0x01000000
345 #define AST_VIDMEM_SIZE_32M 0x02000000
346 #define AST_VIDMEM_SIZE_64M 0x04000000
347 #define AST_VIDMEM_SIZE_128M 0x08000000
349 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
351 struct ast_vbios_stdtable {
359 struct ast_vbios_enhtable {
371 u32 refresh_rate_index;
375 struct ast_vbios_dclk_info {
381 struct ast_vbios_mode_info {
382 const struct ast_vbios_stdtable *std_table;
383 const struct ast_vbios_enhtable *enh_table;
386 struct ast_crtc_state {
387 struct drm_crtc_state base;
389 /* Last known format of primary plane */
390 const struct drm_format_info *format;
392 struct ast_vbios_mode_info vbios_mode_info;
395 #define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
397 int ast_mode_config_init(struct ast_device *ast);
399 #define AST_MM_ALIGN_SHIFT 4
400 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
402 #define AST_DP501_FW_VERSION_MASK GENMASK(7, 4)
403 #define AST_DP501_FW_VERSION_1 BIT(4)
404 #define AST_DP501_PNP_CONNECTED BIT(1)
406 #define AST_DP501_DEFAULT_DCLK 65
408 #define AST_DP501_GBL_VERSION 0xf000
409 #define AST_DP501_PNPMONITOR 0xf010
410 #define AST_DP501_LINKRATE 0xf014
411 #define AST_DP501_EDID_DATA 0xf020
413 #define AST_DP_POWER_ON true
414 #define AST_DP_POWER_OFF false
417 * ASTDP resoultion table:
421 * C: Misc information, such as CVT, Reduce Blanked
423 #define ASTDP_640x480_60 0x00
424 #define ASTDP_640x480_72 0x01
425 #define ASTDP_640x480_75 0x02
426 #define ASTDP_640x480_85 0x03
427 #define ASTDP_800x600_56 0x04
428 #define ASTDP_800x600_60 0x05
429 #define ASTDP_800x600_72 0x06
430 #define ASTDP_800x600_75 0x07
431 #define ASTDP_800x600_85 0x08
432 #define ASTDP_1024x768_60 0x09
433 #define ASTDP_1024x768_70 0x0A
434 #define ASTDP_1024x768_75 0x0B
435 #define ASTDP_1024x768_85 0x0C
436 #define ASTDP_1280x1024_60 0x0D
437 #define ASTDP_1280x1024_75 0x0E
438 #define ASTDP_1280x1024_85 0x0F
439 #define ASTDP_1600x1200_60 0x10
440 #define ASTDP_320x240_60 0x11
441 #define ASTDP_400x300_60 0x12
442 #define ASTDP_512x384_60 0x13
443 #define ASTDP_1920x1200_60 0x14
444 #define ASTDP_1920x1080_60 0x15
445 #define ASTDP_1280x800_60 0x16
446 #define ASTDP_1280x800_60_RB 0x17
447 #define ASTDP_1440x900_60 0x18
448 #define ASTDP_1440x900_60_RB 0x19
449 #define ASTDP_1680x1050_60 0x1A
450 #define ASTDP_1680x1050_60_RB 0x1B
451 #define ASTDP_1600x900_60 0x1C
452 #define ASTDP_1600x900_60_RB 0x1D
453 #define ASTDP_1366x768_60 0x1E
454 #define ASTDP_1152x864_75 0x1F
456 int ast_mm_init(struct ast_device *ast);
459 void ast_post_gpu(struct drm_device *dev);
460 u32 ast_mindwm(struct ast_device *ast, u32 r);
461 void ast_moutdwm(struct ast_device *ast, u32 r, u32 v);
462 void ast_patch_ahb_2500(void __iomem *regs);
464 void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
465 bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
466 bool ast_dp501_is_connected(struct ast_device *ast);
467 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
468 u8 ast_get_dp501_max_clk(struct drm_device *dev);
469 void ast_init_3rdtx(struct drm_device *dev);
472 bool ast_astdp_is_connected(struct ast_device *ast);
473 int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata);
474 void ast_dp_launch(struct drm_device *dev);
475 void ast_dp_power_on_off(struct drm_device *dev, bool no);
476 void ast_dp_set_on_off(struct drm_device *dev, bool no);
477 void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode);