]>
Commit | Line | Data |
---|---|---|
559d6701 TV |
1 | /* |
2 | * linux/drivers/video/omap2/dss/dss.h | |
3 | * | |
4 | * Copyright (C) 2009 Nokia Corporation | |
5 | * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> | |
6 | * | |
7 | * Some code and ideas taken from drivers/video/omap/ driver | |
8 | * by Imre Deak. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License version 2 as published by | |
12 | * the Free Software Foundation. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
17 | * more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License along with | |
20 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
21 | */ | |
22 | ||
23 | #ifndef __OMAP2_DSS_H | |
24 | #define __OMAP2_DSS_H | |
25 | ||
96e2e637 TV |
26 | #include <linux/interrupt.h> |
27 | ||
35a339ac TV |
28 | #include "omapdss.h" |
29 | ||
702d267e CM |
30 | #ifdef pr_fmt |
31 | #undef pr_fmt | |
559d6701 TV |
32 | #endif |
33 | ||
702d267e CM |
34 | #ifdef DSS_SUBSYS_NAME |
35 | #define pr_fmt(fmt) DSS_SUBSYS_NAME ": " fmt | |
36 | #else | |
37 | #define pr_fmt(fmt) fmt | |
559d6701 TV |
38 | #endif |
39 | ||
702d267e CM |
40 | #define DSSDBG(format, ...) \ |
41 | pr_debug(format, ## __VA_ARGS__) | |
559d6701 TV |
42 | |
43 | #ifdef DSS_SUBSYS_NAME | |
44 | #define DSSERR(format, ...) \ | |
45 | printk(KERN_ERR "omapdss " DSS_SUBSYS_NAME " error: " format, \ | |
46 | ## __VA_ARGS__) | |
47 | #else | |
48 | #define DSSERR(format, ...) \ | |
49 | printk(KERN_ERR "omapdss error: " format, ## __VA_ARGS__) | |
50 | #endif | |
51 | ||
52 | #ifdef DSS_SUBSYS_NAME | |
53 | #define DSSINFO(format, ...) \ | |
54 | printk(KERN_INFO "omapdss " DSS_SUBSYS_NAME ": " format, \ | |
55 | ## __VA_ARGS__) | |
56 | #else | |
57 | #define DSSINFO(format, ...) \ | |
58 | printk(KERN_INFO "omapdss: " format, ## __VA_ARGS__) | |
59 | #endif | |
60 | ||
61 | #ifdef DSS_SUBSYS_NAME | |
62 | #define DSSWARN(format, ...) \ | |
63 | printk(KERN_WARNING "omapdss " DSS_SUBSYS_NAME ": " format, \ | |
64 | ## __VA_ARGS__) | |
65 | #else | |
66 | #define DSSWARN(format, ...) \ | |
67 | printk(KERN_WARNING "omapdss: " format, ## __VA_ARGS__) | |
68 | #endif | |
69 | ||
70 | /* OMAP TRM gives bitfields as start:end, where start is the higher bit | |
71 | number. For example 7:0 */ | |
72 | #define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end)) | |
73 | #define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end)) | |
74 | #define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end)) | |
75 | #define FLD_MOD(orig, val, start, end) \ | |
76 | (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end)) | |
77 | ||
569969d6 AT |
78 | enum dss_io_pad_mode { |
79 | DSS_IO_PAD_MODE_RESET, | |
80 | DSS_IO_PAD_MODE_RFBI, | |
81 | DSS_IO_PAD_MODE_BYPASS, | |
559d6701 TV |
82 | }; |
83 | ||
7ed024aa M |
84 | enum dss_hdmi_venc_clk_source_select { |
85 | DSS_VENC_TV_CLK = 0, | |
86 | DSS_HDMI_M_PCLK = 1, | |
87 | }; | |
88 | ||
6ff8aa31 AT |
89 | enum dss_dsi_content_type { |
90 | DSS_DSI_CONTENT_DCS, | |
91 | DSS_DSI_CONTENT_GENERIC, | |
92 | }; | |
93 | ||
d9ac773c AT |
94 | enum dss_writeback_channel { |
95 | DSS_WB_LCD1_MGR = 0, | |
96 | DSS_WB_LCD2_MGR = 1, | |
97 | DSS_WB_TV_MGR = 2, | |
98 | DSS_WB_OVL0 = 3, | |
99 | DSS_WB_OVL1 = 4, | |
100 | DSS_WB_OVL2 = 5, | |
101 | DSS_WB_OVL3 = 6, | |
102 | DSS_WB_LCD3_MGR = 7, | |
103 | }; | |
104 | ||
dc0352d1 | 105 | enum dss_clk_source { |
3b63ca75 TV |
106 | DSS_CLK_SRC_FCK = 0, |
107 | ||
108 | DSS_CLK_SRC_PLL1_1, | |
109 | DSS_CLK_SRC_PLL1_2, | |
b5d8c757 | 110 | DSS_CLK_SRC_PLL1_3, |
3b63ca75 TV |
111 | |
112 | DSS_CLK_SRC_PLL2_1, | |
113 | DSS_CLK_SRC_PLL2_2, | |
b5d8c757 TV |
114 | DSS_CLK_SRC_PLL2_3, |
115 | ||
116 | DSS_CLK_SRC_HDMI_PLL, | |
be5d7319 TV |
117 | }; |
118 | ||
64e22ffd TV |
119 | enum dss_pll_id { |
120 | DSS_PLL_DSI1, | |
121 | DSS_PLL_DSI2, | |
122 | DSS_PLL_HDMI, | |
6d817880 TV |
123 | DSS_PLL_VIDEO1, |
124 | DSS_PLL_VIDEO2, | |
64e22ffd TV |
125 | }; |
126 | ||
0a20170a TV |
127 | struct dss_pll; |
128 | ||
129 | #define DSS_PLL_MAX_HSDIVS 4 | |
130 | ||
06ede3dd TV |
131 | enum dss_pll_type { |
132 | DSS_PLL_TYPE_A, | |
133 | DSS_PLL_TYPE_B, | |
134 | }; | |
135 | ||
0a20170a TV |
136 | /* |
137 | * Type-A PLLs: clkout[]/mX[] refer to hsdiv outputs m4, m5, m6, m7. | |
138 | * Type-B PLLs: clkout[0] refers to m2. | |
139 | */ | |
140 | struct dss_pll_clock_info { | |
141 | /* rates that we get with dividers below */ | |
142 | unsigned long fint; | |
143 | unsigned long clkdco; | |
144 | unsigned long clkout[DSS_PLL_MAX_HSDIVS]; | |
145 | ||
146 | /* dividers */ | |
147 | u16 n; | |
148 | u16 m; | |
149 | u32 mf; | |
150 | u16 mX[DSS_PLL_MAX_HSDIVS]; | |
151 | u16 sd; | |
152 | }; | |
153 | ||
154 | struct dss_pll_ops { | |
155 | int (*enable)(struct dss_pll *pll); | |
156 | void (*disable)(struct dss_pll *pll); | |
157 | int (*set_config)(struct dss_pll *pll, | |
158 | const struct dss_pll_clock_info *cinfo); | |
159 | }; | |
160 | ||
161 | struct dss_pll_hw { | |
06ede3dd TV |
162 | enum dss_pll_type type; |
163 | ||
0a20170a TV |
164 | unsigned n_max; |
165 | unsigned m_min; | |
166 | unsigned m_max; | |
167 | unsigned mX_max; | |
168 | ||
169 | unsigned long fint_min, fint_max; | |
170 | unsigned long clkdco_min, clkdco_low, clkdco_max; | |
171 | ||
172 | u8 n_msb, n_lsb; | |
173 | u8 m_msb, m_lsb; | |
174 | u8 mX_msb[DSS_PLL_MAX_HSDIVS], mX_lsb[DSS_PLL_MAX_HSDIVS]; | |
175 | ||
176 | bool has_stopmode; | |
177 | bool has_freqsel; | |
178 | bool has_selfreqdco; | |
179 | bool has_refsel; | |
180 | }; | |
181 | ||
182 | struct dss_pll { | |
183 | const char *name; | |
64e22ffd | 184 | enum dss_pll_id id; |
0a20170a TV |
185 | |
186 | struct clk *clkin; | |
187 | struct regulator *regulator; | |
188 | ||
189 | void __iomem *base; | |
190 | ||
191 | const struct dss_pll_hw *hw; | |
192 | ||
193 | const struct dss_pll_ops *ops; | |
194 | ||
195 | struct dss_pll_clock_info cinfo; | |
196 | }; | |
197 | ||
559d6701 TV |
198 | struct dispc_clock_info { |
199 | /* rates that we get with dividers below */ | |
200 | unsigned long lck; | |
201 | unsigned long pck; | |
202 | ||
203 | /* dividers */ | |
204 | u16 lck_div; | |
205 | u16 pck_div; | |
206 | }; | |
207 | ||
c56fb3ef AT |
208 | struct dss_lcd_mgr_config { |
209 | enum dss_io_pad_mode io_pad_mode; | |
210 | ||
211 | bool stallmode; | |
212 | bool fifohandcheck; | |
213 | ||
214 | struct dispc_clock_info clock_info; | |
215 | ||
216 | int video_port_width; | |
217 | ||
218 | int lcden_sig_polarity; | |
219 | }; | |
220 | ||
559d6701 TV |
221 | struct seq_file; |
222 | struct platform_device; | |
223 | ||
224 | /* core */ | |
8f46efad | 225 | struct platform_device *dss_get_core_pdev(void); |
00928eaf TV |
226 | int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask); |
227 | void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask); | |
a8081d31 | 228 | int dss_set_min_bus_tput(struct device *dev, unsigned long tput); |
e40402cf | 229 | int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *)); |
559d6701 | 230 | |
f476ae9d AT |
231 | static inline bool dss_mgr_is_lcd(enum omap_channel id) |
232 | { | |
233 | if (id == OMAP_DSS_CHANNEL_LCD || id == OMAP_DSS_CHANNEL_LCD2 || | |
234 | id == OMAP_DSS_CHANNEL_LCD3) | |
235 | return true; | |
236 | else | |
237 | return false; | |
238 | } | |
239 | ||
559d6701 | 240 | /* DSS */ |
6e7e8f06 | 241 | int dss_init_platform_driver(void) __init; |
96c401bc | 242 | void dss_uninit_platform_driver(void); |
559d6701 | 243 | |
99767548 TV |
244 | int dss_runtime_get(void); |
245 | void dss_runtime_put(void); | |
246 | ||
5aaee69d | 247 | unsigned long dss_get_dispc_clk_rate(void); |
064c2a47 | 248 | int dss_dpi_select_source(int port, enum omap_channel channel); |
7ed024aa | 249 | void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select); |
4a61e267 | 250 | enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void); |
407bd564 | 251 | const char *dss_get_clk_source_name(enum dss_clk_source clk_src); |
8b9cb3a8 | 252 | void dss_dump_clocks(struct seq_file *s); |
559d6701 | 253 | |
99767548 TV |
254 | /* DSS VIDEO PLL */ |
255 | struct dss_pll *dss_video_pll_init(struct platform_device *pdev, int id, | |
256 | struct regulator *regulator); | |
257 | void dss_video_pll_uninit(struct dss_pll *pll); | |
258 | ||
ef691ff4 AT |
259 | /* dss-of */ |
260 | struct device_node *dss_of_port_get_parent_device(struct device_node *port); | |
261 | u32 dss_of_port_get_port_number(struct device_node *port); | |
262 | ||
1b3bcb33 | 263 | #if defined(CONFIG_OMAP2_DSS_DEBUGFS) |
8b9cb3a8 SG |
264 | void dss_debug_dump_clocks(struct seq_file *s); |
265 | #endif | |
559d6701 | 266 | |
be40eecf | 267 | void dss_ctrl_pll_enable(enum dss_pll_id pll_id, bool enable); |
be40eecf | 268 | |
889b4fd7 | 269 | void dss_sdi_init(int datapairs); |
559d6701 TV |
270 | int dss_sdi_enable(void); |
271 | void dss_sdi_disable(void); | |
272 | ||
5a8b572d | 273 | void dss_select_dsi_clk_source(int dsi_module, |
dc0352d1 | 274 | enum dss_clk_source clk_src); |
ea75159e | 275 | void dss_select_lcd_clk_source(enum omap_channel channel, |
dc0352d1 TV |
276 | enum dss_clk_source clk_src); |
277 | enum dss_clk_source dss_get_dispc_clk_source(void); | |
278 | enum dss_clk_source dss_get_dsi_clk_source(int dsi_module); | |
279 | enum dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel); | |
2f18c4d8 | 280 | |
559d6701 TV |
281 | void dss_set_venc_output(enum omap_dss_venc_type type); |
282 | void dss_set_dac_pwrdn_bgz(bool enable); | |
283 | ||
d0f58bd3 | 284 | int dss_set_fck_rate(unsigned long rate); |
559d6701 | 285 | |
d0f58bd3 | 286 | typedef bool (*dss_div_calc_func)(unsigned long fck, void *data); |
688af02d TV |
287 | bool dss_div_calc(unsigned long pck, unsigned long fck_min, |
288 | dss_div_calc_func func, void *data); | |
43417823 | 289 | |
559d6701 | 290 | /* SDI */ |
6e7e8f06 | 291 | int sdi_init_platform_driver(void) __init; |
ede92695 | 292 | void sdi_uninit_platform_driver(void); |
559d6701 | 293 | |
387ce9f2 | 294 | #ifdef CONFIG_OMAP2_DSS_SDI |
ede92695 TV |
295 | int sdi_init_port(struct platform_device *pdev, struct device_node *port); |
296 | void sdi_uninit_port(struct device_node *port); | |
387ce9f2 | 297 | #else |
ede92695 | 298 | static inline int sdi_init_port(struct platform_device *pdev, |
387ce9f2 AT |
299 | struct device_node *port) |
300 | { | |
301 | return 0; | |
302 | } | |
ede92695 | 303 | static inline void sdi_uninit_port(struct device_node *port) |
387ce9f2 AT |
304 | { |
305 | } | |
306 | #endif | |
2ecef246 | 307 | |
559d6701 | 308 | /* DSI */ |
989c79a8 | 309 | |
368a148e | 310 | #ifdef CONFIG_OMAP2_DSS_DSI |
5a8b572d AT |
311 | |
312 | struct dentry; | |
313 | struct file_operations; | |
314 | ||
6e7e8f06 | 315 | int dsi_init_platform_driver(void) __init; |
ede92695 | 316 | void dsi_uninit_platform_driver(void); |
559d6701 TV |
317 | |
318 | void dsi_dump_clocks(struct seq_file *s); | |
559d6701 | 319 | |
559d6701 | 320 | void dsi_irq_handler(void); |
a3b3cc2b AT |
321 | u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt); |
322 | ||
368a148e | 323 | #else |
a3b3cc2b AT |
324 | static inline u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt) |
325 | { | |
85d90b12 DC |
326 | WARN(1, "%s: DSI not compiled in, returning pixel_size as 0\n", |
327 | __func__); | |
a3b3cc2b AT |
328 | return 0; |
329 | } | |
368a148e | 330 | #endif |
559d6701 TV |
331 | |
332 | /* DPI */ | |
6e7e8f06 | 333 | int dpi_init_platform_driver(void) __init; |
ede92695 | 334 | void dpi_uninit_platform_driver(void); |
559d6701 | 335 | |
387ce9f2 | 336 | #ifdef CONFIG_OMAP2_DSS_DPI |
ede92695 TV |
337 | int dpi_init_port(struct platform_device *pdev, struct device_node *port); |
338 | void dpi_uninit_port(struct device_node *port); | |
387ce9f2 | 339 | #else |
ede92695 | 340 | static inline int dpi_init_port(struct platform_device *pdev, |
387ce9f2 AT |
341 | struct device_node *port) |
342 | { | |
343 | return 0; | |
344 | } | |
ede92695 | 345 | static inline void dpi_uninit_port(struct device_node *port) |
387ce9f2 AT |
346 | { |
347 | } | |
348 | #endif | |
2ecef246 | 349 | |
559d6701 | 350 | /* DISPC */ |
6e7e8f06 | 351 | int dispc_init_platform_driver(void) __init; |
ede92695 | 352 | void dispc_uninit_platform_driver(void); |
559d6701 | 353 | void dispc_dump_clocks(struct seq_file *s); |
559d6701 TV |
354 | |
355 | void dispc_enable_sidle(void); | |
356 | void dispc_disable_sidle(void); | |
357 | ||
559d6701 TV |
358 | void dispc_lcd_enable_signal(bool enable); |
359 | void dispc_pck_free_enable(bool enable); | |
cd295aeb TV |
360 | void dispc_enable_fifomerge(bool enable); |
361 | void dispc_enable_gamma_table(bool enable); | |
cd295aeb | 362 | |
7c284e6e TV |
363 | typedef bool (*dispc_div_calc_func)(int lckd, int pckd, unsigned long lck, |
364 | unsigned long pck, void *data); | |
365 | bool dispc_div_calc(unsigned long dispc, | |
366 | unsigned long pck_min, unsigned long pck_max, | |
367 | dispc_div_calc_func func, void *data); | |
368 | ||
8f366162 | 369 | bool dispc_mgr_timings_ok(enum omap_channel channel, |
b917fa39 | 370 | const struct omap_video_timings *timings); |
cd295aeb TV |
371 | int dispc_calc_clock_rates(unsigned long dispc_fclk_rate, |
372 | struct dispc_clock_info *cinfo); | |
373 | ||
374 | ||
6f04e1bf | 375 | void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high); |
83fa2f2e | 376 | void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane, |
3568f2a4 TV |
377 | u32 *fifo_low, u32 *fifo_high, bool use_fifomerge, |
378 | bool manual_update); | |
348be69d | 379 | |
f0d08f89 | 380 | void dispc_mgr_set_clock_div(enum omap_channel channel, |
a8f3fcd1 | 381 | const struct dispc_clock_info *cinfo); |
26d9dd0d | 382 | int dispc_mgr_get_clock_div(enum omap_channel channel, |
ff1b2cde | 383 | struct dispc_clock_info *cinfo); |
5391e87d | 384 | void dispc_set_tv_pclk(unsigned long pclk); |
559d6701 | 385 | |
0b23e5b8 AT |
386 | u32 dispc_wb_get_framedone_irq(void); |
387 | bool dispc_wb_go_busy(void); | |
388 | void dispc_wb_go(void); | |
389 | void dispc_wb_enable(bool enable); | |
390 | bool dispc_wb_is_enabled(void); | |
d9ac773c | 391 | void dispc_wb_set_channel_in(enum dss_writeback_channel channel); |
749feffa | 392 | int dispc_wb_setup(const struct omap_dss_writeback_info *wi, |
9e4a0fc7 | 393 | bool mem_to_mem, const struct omap_video_timings *timings); |
d9ac773c | 394 | |
559d6701 | 395 | /* VENC */ |
6e7e8f06 | 396 | int venc_init_platform_driver(void) __init; |
ede92695 | 397 | void venc_uninit_platform_driver(void); |
559d6701 | 398 | |
c3198a5e | 399 | /* HDMI */ |
ef26958a | 400 | int hdmi4_init_platform_driver(void) __init; |
ede92695 | 401 | void hdmi4_uninit_platform_driver(void); |
c3198a5e | 402 | |
f5bab222 | 403 | int hdmi5_init_platform_driver(void) __init; |
ede92695 | 404 | void hdmi5_uninit_platform_driver(void); |
f5bab222 | 405 | |
559d6701 | 406 | /* RFBI */ |
6e7e8f06 | 407 | int rfbi_init_platform_driver(void) __init; |
ede92695 | 408 | void rfbi_uninit_platform_driver(void); |
559d6701 | 409 | |
dfc0fd8d TV |
410 | |
411 | #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS | |
412 | static inline void dss_collect_irq_stats(u32 irqstatus, unsigned *irq_arr) | |
413 | { | |
414 | int b; | |
415 | for (b = 0; b < 32; ++b) { | |
416 | if (irqstatus & (1 << b)) | |
417 | irq_arr[b]++; | |
418 | } | |
419 | } | |
420 | #endif | |
421 | ||
0a20170a TV |
422 | /* PLL */ |
423 | typedef bool (*dss_pll_calc_func)(int n, int m, unsigned long fint, | |
424 | unsigned long clkdco, void *data); | |
425 | typedef bool (*dss_hsdiv_calc_func)(int m_dispc, unsigned long dispc, | |
426 | void *data); | |
427 | ||
428 | int dss_pll_register(struct dss_pll *pll); | |
429 | void dss_pll_unregister(struct dss_pll *pll); | |
430 | struct dss_pll *dss_pll_find(const char *name); | |
5670bd72 TV |
431 | struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src); |
432 | unsigned dss_pll_get_clkout_idx_for_src(enum dss_clk_source src); | |
0a20170a TV |
433 | int dss_pll_enable(struct dss_pll *pll); |
434 | void dss_pll_disable(struct dss_pll *pll); | |
435 | int dss_pll_set_config(struct dss_pll *pll, | |
436 | const struct dss_pll_clock_info *cinfo); | |
437 | ||
cd0715ff | 438 | bool dss_pll_hsdiv_calc_a(const struct dss_pll *pll, unsigned long clkdco, |
0a20170a TV |
439 | unsigned long out_min, unsigned long out_max, |
440 | dss_hsdiv_calc_func func, void *data); | |
cd0715ff | 441 | bool dss_pll_calc_a(const struct dss_pll *pll, unsigned long clkin, |
0a20170a TV |
442 | unsigned long pll_min, unsigned long pll_max, |
443 | dss_pll_calc_func func, void *data); | |
c17dc0e3 TV |
444 | |
445 | bool dss_pll_calc_b(const struct dss_pll *pll, unsigned long clkin, | |
c107751d | 446 | unsigned long target_clkout, struct dss_pll_clock_info *cinfo); |
c17dc0e3 | 447 | |
0a20170a TV |
448 | int dss_pll_write_config_type_a(struct dss_pll *pll, |
449 | const struct dss_pll_clock_info *cinfo); | |
450 | int dss_pll_write_config_type_b(struct dss_pll *pll, | |
451 | const struct dss_pll_clock_info *cinfo); | |
eb30199b | 452 | int dss_pll_wait_reset_done(struct dss_pll *pll); |
0a20170a | 453 | |
559d6701 | 454 | #endif |