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
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>
41 #include <drm/drm_fb_helper.h>
43 #define DRIVER_AUTHOR "Dave Airlie"
45 #define DRIVER_NAME "ast"
46 #define DRIVER_DESC "AST"
47 #define DRIVER_DATE "20120228"
49 #define DRIVER_MAJOR 0
50 #define DRIVER_MINOR 1
51 #define DRIVER_PATCHLEVEL 0
53 #define PCI_CHIP_AST2000 0x2000
54 #define PCI_CHIP_AST2100 0x2010
76 #define AST_DRAM_512Mx16 0
77 #define AST_DRAM_1Gx16 1
78 #define AST_DRAM_512Mx32 2
79 #define AST_DRAM_1Gx32 3
80 #define AST_DRAM_2Gx16 6
81 #define AST_DRAM_4Gx16 7
82 #define AST_DRAM_8Gx16 8
88 #define AST_MAX_HWC_WIDTH 64
89 #define AST_MAX_HWC_HEIGHT 64
91 #define AST_HWC_SIZE (AST_MAX_HWC_WIDTH * AST_MAX_HWC_HEIGHT * 2)
92 #define AST_HWC_SIGNATURE_SIZE 32
94 #define AST_DEFAULT_HWC_NUM 2
96 /* define for signature structure */
97 #define AST_HWC_SIGNATURE_CHECKSUM 0x00
98 #define AST_HWC_SIGNATURE_SizeX 0x04
99 #define AST_HWC_SIGNATURE_SizeY 0x08
100 #define AST_HWC_SIGNATURE_X 0x0C
101 #define AST_HWC_SIGNATURE_Y 0x10
102 #define AST_HWC_SIGNATURE_HOTSPOTX 0x14
103 #define AST_HWC_SIGNATURE_HOTSPOTY 0x18
105 struct ast_cursor_plane {
106 struct drm_plane base;
109 struct drm_gem_vram_object *gbo;
110 struct iosys_map map;
112 } hwc[AST_DEFAULT_HWC_NUM];
114 unsigned int next_hwc_index;
117 static inline struct ast_cursor_plane *
118 to_ast_cursor_plane(struct drm_plane *plane)
120 return container_of(plane, struct ast_cursor_plane, base);
124 * Connector with i2c channel
127 struct ast_i2c_chan {
128 struct i2c_adapter adapter;
129 struct drm_device *dev;
130 struct i2c_algo_bit_data bit;
133 struct ast_vga_connector {
134 struct drm_connector base;
135 struct ast_i2c_chan *i2c;
138 static inline struct ast_vga_connector *
139 to_ast_vga_connector(struct drm_connector *connector)
141 return container_of(connector, struct ast_vga_connector, base);
144 struct ast_sil164_connector {
145 struct drm_connector base;
146 struct ast_i2c_chan *i2c;
149 static inline struct ast_sil164_connector *
150 to_ast_sil164_connector(struct drm_connector *connector)
152 return container_of(connector, struct ast_sil164_connector, base);
160 struct drm_device base;
162 struct mutex ioregs_lock; /* Protects access to I/O registers in ioregs */
164 void __iomem *ioregs;
165 void __iomem *dp501_fw_buf;
169 uint32_t dram_bus_width;
173 struct drm_plane primary_plane;
174 struct ast_cursor_plane cursor_plane;
175 struct drm_crtc crtc;
178 struct drm_encoder encoder;
179 struct ast_vga_connector vga_connector;
182 struct drm_encoder encoder;
183 struct ast_sil164_connector sil164_connector;
186 struct drm_encoder encoder;
187 struct drm_connector connector;
190 struct drm_encoder encoder;
191 struct drm_connector connector;
195 bool support_wide_screen;
202 enum ast_tx_chip tx_chip_type;
204 const struct firmware *dp501_fw; /* dp501 fw */
207 static inline struct ast_private *to_ast_private(struct drm_device *dev)
209 return container_of(dev, struct ast_private, base);
212 struct ast_private *ast_device_create(const struct drm_driver *drv,
213 struct pci_dev *pdev,
214 unsigned long flags);
216 #define AST_IO_AR_PORT_WRITE (0x40)
217 #define AST_IO_MISC_PORT_WRITE (0x42)
218 #define AST_IO_VGA_ENABLE_PORT (0x43)
219 #define AST_IO_SEQ_PORT (0x44)
220 #define AST_IO_DAC_INDEX_READ (0x47)
221 #define AST_IO_DAC_INDEX_WRITE (0x48)
222 #define AST_IO_DAC_DATA (0x49)
223 #define AST_IO_GR_PORT (0x4E)
224 #define AST_IO_CRTC_PORT (0x54)
225 #define AST_IO_INPUT_STATUS1_READ (0x5A)
226 #define AST_IO_MISC_PORT_READ (0x4C)
228 #define AST_IO_MM_OFFSET (0x380)
230 #define AST_IO_VGAIR1_VREFRESH BIT(3)
232 #define AST_IO_VGACRCB_HWC_ENABLED BIT(1)
233 #define AST_IO_VGACRCB_HWC_16BPP BIT(0) /* set: ARGB4444, cleared: 2bpp palette */
235 #define __ast_read(x) \
236 static inline u##x ast_read##x(struct ast_private *ast, u32 reg) { \
238 val = ioread##x(ast->regs + reg); \
246 #define __ast_io_read(x) \
247 static inline u##x ast_io_read##x(struct ast_private *ast, u32 reg) { \
249 val = ioread##x(ast->ioregs + reg); \
257 #define __ast_write(x) \
258 static inline void ast_write##x(struct ast_private *ast, u32 reg, u##x val) {\
259 iowrite##x(val, ast->regs + reg);\
266 #define __ast_io_write(x) \
267 static inline void ast_io_write##x(struct ast_private *ast, u32 reg, u##x val) {\
268 iowrite##x(val, ast->ioregs + reg);\
273 #undef __ast_io_write
275 static inline void ast_set_index_reg(struct ast_private *ast,
276 uint32_t base, uint8_t index,
279 ast_io_write16(ast, base, ((u16)val << 8) | index);
282 void ast_set_index_reg_mask(struct ast_private *ast,
283 uint32_t base, uint8_t index,
284 uint8_t mask, uint8_t val);
285 uint8_t ast_get_index_reg(struct ast_private *ast,
286 uint32_t base, uint8_t index);
287 uint8_t ast_get_index_reg_mask(struct ast_private *ast,
288 uint32_t base, uint8_t index, uint8_t mask);
290 static inline void ast_open_key(struct ast_private *ast)
292 ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0x80, 0xA8);
295 #define AST_VIDMEM_SIZE_8M 0x00800000
296 #define AST_VIDMEM_SIZE_16M 0x01000000
297 #define AST_VIDMEM_SIZE_32M 0x02000000
298 #define AST_VIDMEM_SIZE_64M 0x04000000
299 #define AST_VIDMEM_SIZE_128M 0x08000000
301 #define AST_VIDMEM_DEFAULT_SIZE AST_VIDMEM_SIZE_8M
303 struct ast_vbios_stdtable {
311 struct ast_vbios_enhtable {
323 u32 refresh_rate_index;
327 struct ast_vbios_dclk_info {
333 struct ast_vbios_mode_info {
334 const struct ast_vbios_stdtable *std_table;
335 const struct ast_vbios_enhtable *enh_table;
338 struct ast_crtc_state {
339 struct drm_crtc_state base;
341 /* Last known format of primary plane */
342 const struct drm_format_info *format;
344 struct ast_vbios_mode_info vbios_mode_info;
347 #define to_ast_crtc_state(state) container_of(state, struct ast_crtc_state, base)
349 int ast_mode_config_init(struct ast_private *ast);
351 #define AST_MM_ALIGN_SHIFT 4
352 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)
354 #define AST_DP501_FW_VERSION_MASK GENMASK(7, 4)
355 #define AST_DP501_FW_VERSION_1 BIT(4)
356 #define AST_DP501_PNP_CONNECTED BIT(1)
358 #define AST_DP501_DEFAULT_DCLK 65
360 #define AST_DP501_GBL_VERSION 0xf000
361 #define AST_DP501_PNPMONITOR 0xf010
362 #define AST_DP501_LINKRATE 0xf014
363 #define AST_DP501_EDID_DATA 0xf020
365 /* Define for Soc scratched reg */
366 #define COPROCESSOR_LAUNCH BIT(5)
369 * Display Transmitter Type:
371 #define TX_TYPE_MASK GENMASK(3, 1)
372 #define NO_TX (0 << 1)
373 #define ITE66121_VBIOS_TX (1 << 1)
374 #define SI164_VBIOS_TX (2 << 1)
375 #define CH7003_VBIOS_TX (3 << 1)
376 #define DP501_VBIOS_TX (4 << 1)
377 #define ANX9807_VBIOS_TX (5 << 1)
378 #define TX_FW_EMBEDDED_FW_TX (6 << 1)
379 #define ASTDP_DPMCU_TX (7 << 1)
381 #define AST_VRAM_INIT_STATUS_MASK GENMASK(7, 6)
382 //#define AST_VRAM_INIT_BY_BMC BIT(7)
383 //#define AST_VRAM_INIT_READY BIT(6)
385 /* Define for Soc scratched reg used on ASTDP */
386 #define AST_DP_PHY_SLEEP BIT(4)
387 #define AST_DP_VIDEO_ENABLE BIT(0)
389 #define AST_DP_POWER_ON true
390 #define AST_DP_POWER_OFF false
393 * CRD1[b5]: DP MCU FW is executing
394 * CRDC[b0]: DP link success
396 * CRE5[b0]: Host reading EDID process is done
398 #define ASTDP_MCU_FW_EXECUTING BIT(5)
399 #define ASTDP_LINK_SUCCESS BIT(0)
400 #define ASTDP_HPD BIT(0)
401 #define ASTDP_HOST_EDID_READ_DONE BIT(0)
402 #define ASTDP_HOST_EDID_READ_DONE_MASK GENMASK(0, 0)
405 * CRB8[b1]: Enable VSYNC off
406 * CRB8[b0]: Enable HSYNC off
408 #define AST_DPMS_VSYNC_OFF BIT(1)
409 #define AST_DPMS_HSYNC_OFF BIT(0)
412 * CRDF[b4]: Mirror of AST_DP_VIDEO_ENABLE
413 * Precondition: A. ~AST_DP_PHY_SLEEP &&
417 #define ASTDP_MIRROR_VIDEO_ENABLE BIT(4)
419 #define ASTDP_EDID_READ_POINTER_MASK GENMASK(7, 0)
420 #define ASTDP_EDID_VALID_FLAG_MASK GENMASK(0, 0)
421 #define ASTDP_EDID_READ_DATA_MASK GENMASK(7, 0)
424 * ASTDP setmode registers:
425 * CRE0[7:0]: MISC0 ((0x00: 18-bpp) or (0x20: 24-bpp)
426 * CRE1[7:0]: MISC1 (default: 0x00)
427 * CRE2[7:0]: video format index (0x00 ~ 0x20 or 0x40 ~ 0x50)
429 #define ASTDP_MISC0_24bpp BIT(5)
430 #define ASTDP_MISC1 0
431 #define ASTDP_CLEAR_MASK GENMASK(7, 0)
434 * ASTDP resoultion table:
438 * C: Misc information, such as CVT, Reduce Blanked
440 #define ASTDP_640x480_60 0x00
441 #define ASTDP_640x480_72 0x01
442 #define ASTDP_640x480_75 0x02
443 #define ASTDP_640x480_85 0x03
444 #define ASTDP_800x600_56 0x04
445 #define ASTDP_800x600_60 0x05
446 #define ASTDP_800x600_72 0x06
447 #define ASTDP_800x600_75 0x07
448 #define ASTDP_800x600_85 0x08
449 #define ASTDP_1024x768_60 0x09
450 #define ASTDP_1024x768_70 0x0A
451 #define ASTDP_1024x768_75 0x0B
452 #define ASTDP_1024x768_85 0x0C
453 #define ASTDP_1280x1024_60 0x0D
454 #define ASTDP_1280x1024_75 0x0E
455 #define ASTDP_1280x1024_85 0x0F
456 #define ASTDP_1600x1200_60 0x10
457 #define ASTDP_320x240_60 0x11
458 #define ASTDP_400x300_60 0x12
459 #define ASTDP_512x384_60 0x13
460 #define ASTDP_1920x1200_60 0x14
461 #define ASTDP_1920x1080_60 0x15
462 #define ASTDP_1280x800_60 0x16
463 #define ASTDP_1280x800_60_RB 0x17
464 #define ASTDP_1440x900_60 0x18
465 #define ASTDP_1440x900_60_RB 0x19
466 #define ASTDP_1680x1050_60 0x1A
467 #define ASTDP_1680x1050_60_RB 0x1B
468 #define ASTDP_1600x900_60 0x1C
469 #define ASTDP_1600x900_60_RB 0x1D
470 #define ASTDP_1366x768_60 0x1E
471 #define ASTDP_1152x864_75 0x1F
473 int ast_mm_init(struct ast_private *ast);
476 void ast_enable_vga(struct drm_device *dev);
477 void ast_enable_mmio(struct drm_device *dev);
478 bool ast_is_vga_enabled(struct drm_device *dev);
479 void ast_post_gpu(struct drm_device *dev);
480 u32 ast_mindwm(struct ast_private *ast, u32 r);
481 void ast_moutdwm(struct ast_private *ast, u32 r, u32 v);
482 void ast_patch_ahb_2500(struct ast_private *ast);
484 void ast_set_dp501_video_output(struct drm_device *dev, u8 mode);
485 bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size);
486 bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata);
487 u8 ast_get_dp501_max_clk(struct drm_device *dev);
488 void ast_init_3rdtx(struct drm_device *dev);
491 struct ast_i2c_chan *ast_i2c_create(struct drm_device *dev);
494 int ast_astdp_read_edid(struct drm_device *dev, u8 *ediddata);
495 void ast_dp_launch(struct drm_device *dev, u8 bPower);
496 void ast_dp_power_on_off(struct drm_device *dev, bool no);
497 void ast_dp_set_on_off(struct drm_device *dev, bool no);
498 void ast_dp_set_mode(struct drm_crtc *crtc, struct ast_vbios_mode_info *vbios_mode);