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
26 * Authors: Dave Airlie <airlied@redhat.com>
31 #include <linux/i2c.h>
32 #include <linux/i2c-algo-bit.h>
34 #include <linux/types.h>
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>
44 #define DRIVER_AUTHOR "Dave Airlie"
46 #define DRIVER_NAME "ast"
47 #define DRIVER_DESC "AST"
48 #define DRIVER_DATE "20120228"
50 #define DRIVER_MAJOR 0
51 #define DRIVER_MINOR 1
52 #define DRIVER_PATCHLEVEL 0
54 #define PCI_CHIP_AST2000 0x2000
55 #define PCI_CHIP_AST2100 0x2010
57 #define __AST_CHIP(__gen, __index) ((__gen) << 16 | (__index))
61 AST1000 = __AST_CHIP(1, 0), // unused
62 AST2000 = __AST_CHIP(1, 1),
64 AST1100 = __AST_CHIP(2, 0),
65 AST2100 = __AST_CHIP(2, 1),
66 AST2050 = __AST_CHIP(2, 2), // unused
68 AST2200 = __AST_CHIP(3, 0),
69 AST2150 = __AST_CHIP(3, 1),
71 AST2300 = __AST_CHIP(4, 0),
72 AST1300 = __AST_CHIP(4, 1),
73 AST1050 = __AST_CHIP(4, 2), // unused
75 AST2400 = __AST_CHIP(5, 0),
76 AST1400 = __AST_CHIP(5, 1),
77 AST1250 = __AST_CHIP(5, 2), // unused
79 AST2500 = __AST_CHIP(6, 0),
80 AST2510 = __AST_CHIP(6, 1),
81 AST2520 = __AST_CHIP(6, 2), // unused
83 AST2600 = __AST_CHIP(7, 0),
84 AST2620 = __AST_CHIP(7, 1), // unused
87 #define __AST_CHIP_GEN(__chip) (((unsigned long)(__chip)) >> 16)
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)
101 #define AST_DRAM_512Mx16 0
102 #define AST_DRAM_1Gx16 1
103 #define AST_DRAM_512Mx32 2
104 #define AST_DRAM_1Gx32 3
105 #define AST_DRAM_2Gx16 6
106 #define AST_DRAM_4Gx16 7
107 #define AST_DRAM_8Gx16 8
113 #define AST_MAX_HWC_WIDTH 64
114 #define AST_MAX_HWC_HEIGHT 64
116 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
117 #define AST_HWC_SIGNATURE_SIZE 32
119 /* define for signature structure */
120 #define AST_HWC_SIGNATURE_CHECKSUM 0x00
121 #define AST_HWC_SIGNATURE_SizeX 0x04
122 #define AST_HWC_SIGNATURE_SizeY 0x08
123 #define AST_HWC_SIGNATURE_X 0x0C
124 #define AST_HWC_SIGNATURE_Y 0x10
125 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14
126 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18
133 struct drm_plane base;
140 static inline struct ast_plane *to_ast_plane(struct drm_plane *plane)
142 return container_of(plane, struct ast_plane, base);
146 * Connector with i2c channel
149 struct ast_i2c_chan {
150 struct i2c_adapter adapter;
151 struct drm_device *dev;
152 struct i2c_algo_bit_data bit;
155 struct ast_vga_connector {
156 struct drm_connector base;
157 struct ast_i2c_chan *i2c;
160 static inline struct ast_vga_connector *
161 to_ast_vga_connector(struct drm_connector *connector)
163 return container_of(connector, struct ast_vga_connector, base);
166 struct ast_sil164_connector {
167 struct drm_connector base;
168 struct ast_i2c_chan *i2c;
171 static inline struct ast_sil164_connector *
172 to_ast_sil164_connector(struct drm_connector *connector)
174 return container_of(connector, struct ast_sil164_connector, base);
177 struct ast_bmc_connector {
178 struct drm_connector base;
179 struct drm_connector *physical_connector;
182 static inline struct ast_bmc_connector *
183 to_ast_bmc_connector(struct drm_connector *connector)
185 return container_of(connector, struct ast_bmc_connector, base);
193 struct drm_device base;
195 struct mutex ioregs_lock; /* Protects access to I/O registers in ioregs */
197 void __iomem *ioregs;
198 void __iomem *dp501_fw_buf;
201 uint32_t dram_bus_width;
206 unsigned long vram_base;
207 unsigned long vram_size;
208 unsigned long vram_fb_available;
210 struct ast_plane primary_plane;
211 struct ast_plane cursor_plane;
212 struct drm_crtc crtc;
215 struct drm_encoder encoder;
216 struct ast_vga_connector vga_connector;
219 struct drm_encoder encoder;
220 struct ast_sil164_connector sil164_connector;
223 struct drm_encoder encoder;
224 struct drm_connector connector;
227 struct drm_encoder encoder;
228 struct drm_connector connector;
231 struct drm_encoder encoder;
232 struct ast_bmc_connector bmc_connector;
236 bool support_wide_screen;
243 unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */
245 const struct firmware *dp501_fw; /* dp501 fw */
248 static inline struct ast_device *to_ast_device(struct drm_device *dev)
250 return container_of(dev, struct ast_device, base);
253 struct ast_device *ast_device_create(const struct drm_driver *drv,
254 struct pci_dev *pdev,
255 unsigned long flags);
257 static inline unsigned long __ast_gen(struct ast_device *ast)
259 return __AST_CHIP_GEN(ast->chip);
261 #define AST_GEN(__ast) __ast_gen(__ast)
263 static inline bool __ast_gen_is_eq(struct ast_device *ast, unsigned long gen)
265 return __ast_gen(ast) == gen;
267 #define IS_AST_GEN1(__ast) __ast_gen_is_eq(__ast, 1)
268 #define IS_AST_GEN2(__ast) __ast_gen_is_eq(__ast, 2)
269 #define IS_AST_GEN3(__ast) __ast_gen_is_eq(__ast, 3)
270 #define IS_AST_GEN4(__ast) __ast_gen_is_eq(__ast, 4)
271 #define IS_AST_GEN5(__ast) __ast_gen_is_eq(__ast, 5)
272 #define IS_AST_GEN6(__ast) __ast_gen_is_eq(__ast, 6)
273 #define IS_AST_GEN7(__ast) __ast_gen_is_eq(__ast, 7)
275 static inline u32 ast_read32(struct ast_device *ast, u32 reg)
277 return ioread32(ast->regs + reg);
280 static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val)
282 iowrite32(val, ast->regs + reg);
285 static inline u8 ast_io_read8(struct ast_device *ast, u32 reg)
287 return ioread8(ast->ioregs + reg);
290 static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val)
292 iowrite8(val, ast->ioregs + reg);
295 static inline u8 ast_get_index_reg(struct ast_device *ast, u32 base, u8 index)
297 ast_io_write8(ast, base, index);
299 return ast_io_read8(ast, base);
302 static inline u8 ast_get_index_reg_mask(struct ast_device *ast, u32 base, u8 index,
305 u8 val = ast_get_index_reg(ast, base, index);
307 return val & preserve_mask;
310 static inline void ast_set_index_reg(struct ast_device *ast, u32 base, u8 index, u8 val)
312 ast_io_write8(ast, base, index);
314 ast_io_write8(ast, base, val);
317 static inline void ast_set_index_reg_mask(struct ast_device *ast, u32 base, u8 index,
318 u8 preserve_mask, u8 val)
320 u8 tmp = ast_get_index_reg_mask(ast, base, index, preserve_mask);
323 ast_set_index_reg(ast, base, index, tmp);
326 #define AST_VIDMEM_SIZE_8M 0x00800000
327 #define AST_VIDMEM_SIZE_16M 0x01000000
328 #define AST_VIDMEM_SIZE_32M 0x02000000
329 #define AST_VIDMEM_SIZE_64M 0x04000000
330 #define AST_VIDMEM_SIZE_128M 0x08000000
332 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
334 struct ast_vbios_stdtable {
342 struct ast_vbios_enhtable {
354 u32 refresh_rate_index;
358 struct ast_vbios_dclk_info {
364 struct ast_vbios_mode_info {
365 const struct ast_vbios_stdtable *std_table;
366 const struct ast_vbios_enhtable *enh_table;
369 struct ast_crtc_state {
370 struct drm_crtc_state base;
372 /* Last known format of primary plane */
373 const struct drm_format_info *format;
375 struct ast_vbios_mode_info vbios_mode_info;
378 #define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
380 int ast_mode_config_init(struct ast_device *ast);
382 #define AST_MM_ALIGN_SHIFT 4
383 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
385 #define AST_DP501_FW_VERSION_MASK GENMASK(7, 4)
386 #define AST_DP501_FW_VERSION_1 BIT(4)
387 #define AST_DP501_PNP_CONNECTED BIT(1)
389 #define AST_DP501_DEFAULT_DCLK 65
391 #define AST_DP501_GBL_VERSION 0xf000
392 #define AST_DP501_PNPMONITOR 0xf010
393 #define AST_DP501_LINKRATE 0xf014
394 #define AST_DP501_EDID_DATA 0xf020
396 #define AST_DP_POWER_ON true
397 #define AST_DP_POWER_OFF false
400 * ASTDP resoultion table:
404 * C: Misc information, such as CVT, Reduce Blanked
406 #define ASTDP_640x480_60 0x00
407 #define ASTDP_640x480_72 0x01
408 #define ASTDP_640x480_75 0x02
409 #define ASTDP_640x480_85 0x03
410 #define ASTDP_800x600_56 0x04
411 #define ASTDP_800x600_60 0x05
412 #define ASTDP_800x600_72 0x06
413 #define ASTDP_800x600_75 0x07
414 #define ASTDP_800x600_85 0x08
415 #define ASTDP_1024x768_60 0x09
416 #define ASTDP_1024x768_70 0x0A
417 #define ASTDP_1024x768_75 0x0B
418 #define ASTDP_1024x768_85 0x0C
419 #define ASTDP_1280x1024_60 0x0D
420 #define ASTDP_1280x1024_75 0x0E
421 #define ASTDP_1280x1024_85 0x0F
422 #define ASTDP_1600x1200_60 0x10
423 #define ASTDP_320x240_60 0x11
424 #define ASTDP_400x300_60 0x12
425 #define ASTDP_512x384_60 0x13
426 #define ASTDP_1920x1200_60 0x14
427 #define ASTDP_1920x1080_60 0x15
428 #define ASTDP_1280x800_60 0x16
429 #define ASTDP_1280x800_60_RB 0x17
430 #define ASTDP_1440x900_60 0x18
431 #define ASTDP_1440x900_60_RB 0x19
432 #define ASTDP_1680x1050_60 0x1A
433 #define ASTDP_1680x1050_60_RB 0x1B
434 #define ASTDP_1600x900_60 0x1C
435 #define ASTDP_1600x900_60_RB 0x1D
436 #define ASTDP_1366x768_60 0x1E
437 #define ASTDP_1152x864_75 0x1F
439 int ast_mm_init(struct ast_device *ast);
442 void ast_post_gpu(struct drm_device *dev);
443 u32 ast_mindwm(struct ast_device *ast, u32 r);
444 void ast_moutdwm(struct ast_device *ast, u32 r, u32 v);
445 void ast_patch_ahb_2500(struct ast_device *ast);
447 void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
448 bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
449 bool ast_dp501_is_connected(struct ast_device *ast);
450 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
451 u8 ast_get_dp501_max_clk(struct drm_device *dev);
452 void ast_init_3rdtx(struct drm_device *dev);
455 struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev);
458 bool ast_astdp_is_connected(struct ast_device *ast);
459 int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata);
460 void ast_dp_launch(struct drm_device *dev);
461 void ast_dp_power_on_off(struct drm_device *dev, bool no);
462 void ast_dp_set_on_off(struct drm_device *dev, bool no);
463 void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode);