2 * linux/drivers/video/omap2/dss/dss.h
4 * Copyright (C) 2009 Nokia Corporation
5 * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
7 * Some code and ideas taken from drivers/video/omap/ driver
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.
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
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/>.
26 #ifdef CONFIG_OMAP2_DSS_DEBUG_SUPPORT
31 extern bool dss_debug;
32 #ifdef DSS_SUBSYS_NAME
33 #define DSSDBG(format, ...) \
35 printk(KERN_DEBUG "omapdss " DSS_SUBSYS_NAME ": " format, \
38 #define DSSDBG(format, ...) \
40 printk(KERN_DEBUG "omapdss: " format, ## __VA_ARGS__)
43 #ifdef DSS_SUBSYS_NAME
44 #define DSSDBGF(format, ...) \
46 printk(KERN_DEBUG "omapdss " DSS_SUBSYS_NAME \
47 ": %s(" format ")\n", \
51 #define DSSDBGF(format, ...) \
53 printk(KERN_DEBUG "omapdss: " \
54 ": %s(" format ")\n", \
60 #define DSSDBG(format, ...)
61 #define DSSDBGF(format, ...)
65 #ifdef DSS_SUBSYS_NAME
66 #define DSSERR(format, ...) \
67 printk(KERN_ERR "omapdss " DSS_SUBSYS_NAME " error: " format, \
70 #define DSSERR(format, ...) \
71 printk(KERN_ERR "omapdss error: " format, ## __VA_ARGS__)
74 #ifdef DSS_SUBSYS_NAME
75 #define DSSINFO(format, ...) \
76 printk(KERN_INFO "omapdss " DSS_SUBSYS_NAME ": " format, \
79 #define DSSINFO(format, ...) \
80 printk(KERN_INFO "omapdss: " format, ## __VA_ARGS__)
83 #ifdef DSS_SUBSYS_NAME
84 #define DSSWARN(format, ...) \
85 printk(KERN_WARNING "omapdss " DSS_SUBSYS_NAME ": " format, \
88 #define DSSWARN(format, ...) \
89 printk(KERN_WARNING "omapdss: " format, ## __VA_ARGS__)
92 /* OMAP TRM gives bitfields as start:end, where start is the higher bit
93 number. For example 7:0 */
94 #define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end))
95 #define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end))
96 #define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end))
97 #define FLD_MOD(orig, val, start, end) \
98 (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end))
100 enum dss_io_pad_mode {
101 DSS_IO_PAD_MODE_RESET,
102 DSS_IO_PAD_MODE_RFBI,
103 DSS_IO_PAD_MODE_BYPASS,
106 enum dss_hdmi_venc_clk_source_select {
111 enum dss_dsi_content_type {
113 DSS_DSI_CONTENT_GENERIC,
116 struct dss_clock_info {
117 /* rates that we get with dividers below */
124 struct dispc_clock_info {
125 /* rates that we get with dividers below */
134 struct dsi_clock_info {
135 /* rates that we get with dividers below */
137 unsigned long clkin4ddr;
139 unsigned long dsi_pll_hsdiv_dispc_clk; /* OMAP3: DSI1_PLL_CLK
140 * OMAP4: PLLx_CLK1 */
141 unsigned long dsi_pll_hsdiv_dsi_clk; /* OMAP3: DSI2_PLL_CLK
142 * OMAP4: PLLx_CLK2 */
143 unsigned long lp_clk;
148 u16 regm_dispc; /* OMAP3: REGM3
150 u16 regm_dsi; /* OMAP3: REGM4
162 struct platform_device;
165 struct bus_type *dss_get_bus(void);
166 struct regulator *dss_get_vdds_dsi(void);
167 struct regulator *dss_get_vdds_sdi(void);
168 int dss_get_ctx_loss_count(struct device *dev);
169 int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask);
170 void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask);
171 int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
172 int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
174 int omap_dss_register_device(struct omap_dss_device *dssdev,
175 struct device *parent, int disp_num);
176 void omap_dss_unregister_device(struct omap_dss_device *dssdev);
177 void omap_dss_unregister_child_devices(struct device *parent);
180 void dss_apply_init(void);
181 int dss_mgr_wait_for_go(struct omap_overlay_manager *mgr);
182 int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl);
183 void dss_mgr_start_update(struct omap_overlay_manager *mgr);
184 int omap_dss_mgr_apply(struct omap_overlay_manager *mgr);
186 int dss_mgr_enable(struct omap_overlay_manager *mgr);
187 void dss_mgr_disable(struct omap_overlay_manager *mgr);
188 int dss_mgr_set_info(struct omap_overlay_manager *mgr,
189 struct omap_overlay_manager_info *info);
190 void dss_mgr_get_info(struct omap_overlay_manager *mgr,
191 struct omap_overlay_manager_info *info);
192 int dss_mgr_set_device(struct omap_overlay_manager *mgr,
193 struct omap_dss_device *dssdev);
194 int dss_mgr_unset_device(struct omap_overlay_manager *mgr);
195 void dss_mgr_set_timings(struct omap_overlay_manager *mgr,
196 struct omap_video_timings *timings);
197 const struct omap_video_timings *dss_mgr_get_timings(struct omap_overlay_manager *mgr);
199 bool dss_ovl_is_enabled(struct omap_overlay *ovl);
200 int dss_ovl_enable(struct omap_overlay *ovl);
201 int dss_ovl_disable(struct omap_overlay *ovl);
202 int dss_ovl_set_info(struct omap_overlay *ovl,
203 struct omap_overlay_info *info);
204 void dss_ovl_get_info(struct omap_overlay *ovl,
205 struct omap_overlay_info *info);
206 int dss_ovl_set_manager(struct omap_overlay *ovl,
207 struct omap_overlay_manager *mgr);
208 int dss_ovl_unset_manager(struct omap_overlay *ovl);
211 int dss_suspend_all_devices(void);
212 int dss_resume_all_devices(void);
213 void dss_disable_all_devices(void);
215 void dss_init_device(struct platform_device *pdev,
216 struct omap_dss_device *dssdev);
217 void dss_uninit_device(struct platform_device *pdev,
218 struct omap_dss_device *dssdev);
219 bool dss_use_replication(struct omap_dss_device *dssdev,
220 enum omap_color_mode mode);
223 int dss_init_overlay_managers(struct platform_device *pdev);
224 void dss_uninit_overlay_managers(struct platform_device *pdev);
225 int dss_mgr_simple_check(struct omap_overlay_manager *mgr,
226 const struct omap_overlay_manager_info *info);
227 int dss_mgr_check_timings(struct omap_overlay_manager *mgr,
228 const struct omap_video_timings *timings);
229 int dss_mgr_check(struct omap_overlay_manager *mgr,
230 struct omap_overlay_manager_info *info,
231 const struct omap_video_timings *mgr_timings,
232 struct omap_overlay_info **overlay_infos);
235 void dss_init_overlays(struct platform_device *pdev);
236 void dss_uninit_overlays(struct platform_device *pdev);
237 void dss_overlay_setup_dispc_manager(struct omap_overlay_manager *mgr);
238 void dss_recheck_connections(struct omap_dss_device *dssdev, bool force);
239 int dss_ovl_simple_check(struct omap_overlay *ovl,
240 const struct omap_overlay_info *info);
241 int dss_ovl_check(struct omap_overlay *ovl, struct omap_overlay_info *info,
242 const struct omap_video_timings *mgr_timings);
245 int dss_init_platform_driver(void) __init;
246 void dss_uninit_platform_driver(void);
248 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
249 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
250 const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src);
251 void dss_dump_clocks(struct seq_file *s);
253 #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
254 void dss_debug_dump_clocks(struct seq_file *s);
257 void dss_sdi_init(u8 datapairs);
258 int dss_sdi_enable(void);
259 void dss_sdi_disable(void);
261 void dss_select_dispc_clk_source(enum omap_dss_clk_source clk_src);
262 void dss_select_dsi_clk_source(int dsi_module,
263 enum omap_dss_clk_source clk_src);
264 void dss_select_lcd_clk_source(enum omap_channel channel,
265 enum omap_dss_clk_source clk_src);
266 enum omap_dss_clk_source dss_get_dispc_clk_source(void);
267 enum omap_dss_clk_source dss_get_dsi_clk_source(int dsi_module);
268 enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel);
270 void dss_set_venc_output(enum omap_dss_venc_type type);
271 void dss_set_dac_pwrdn_bgz(bool enable);
273 unsigned long dss_get_dpll4_rate(void);
274 int dss_calc_clock_rates(struct dss_clock_info *cinfo);
275 int dss_set_clock_div(struct dss_clock_info *cinfo);
276 int dss_get_clock_div(struct dss_clock_info *cinfo);
277 int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo,
278 struct dispc_clock_info *dispc_cinfo);
281 int sdi_init_platform_driver(void) __init;
282 void sdi_uninit_platform_driver(void) __exit;
285 #ifdef CONFIG_OMAP2_DSS_DSI
288 struct file_operations;
290 int dsi_init_platform_driver(void) __init;
291 void dsi_uninit_platform_driver(void) __exit;
293 int dsi_runtime_get(struct platform_device *dsidev);
294 void dsi_runtime_put(struct platform_device *dsidev);
296 void dsi_dump_clocks(struct seq_file *s);
298 void dsi_irq_handler(void);
299 u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt);
301 unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev);
302 int dsi_pll_set_clock_div(struct platform_device *dsidev,
303 struct dsi_clock_info *cinfo);
304 int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev,
305 unsigned long req_pck, struct dsi_clock_info *cinfo,
306 struct dispc_clock_info *dispc_cinfo);
307 int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk,
309 void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes);
310 void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev);
311 void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev);
312 struct platform_device *dsi_get_dsidev_from_id(int module);
314 static inline int dsi_runtime_get(struct platform_device *dsidev)
318 static inline void dsi_runtime_put(struct platform_device *dsidev)
321 static inline u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt)
323 WARN("%s: DSI not compiled in, returning pixel_size as 0\n", __func__);
326 static inline unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device *dsidev)
328 WARN("%s: DSI not compiled in, returning rate as 0\n", __func__);
331 static inline int dsi_pll_set_clock_div(struct platform_device *dsidev,
332 struct dsi_clock_info *cinfo)
334 WARN("%s: DSI not compiled in\n", __func__);
337 static inline int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev,
338 unsigned long req_pck,
339 struct dsi_clock_info *dsi_cinfo,
340 struct dispc_clock_info *dispc_cinfo)
342 WARN("%s: DSI not compiled in\n", __func__);
345 static inline int dsi_pll_init(struct platform_device *dsidev,
346 bool enable_hsclk, bool enable_hsdiv)
348 WARN("%s: DSI not compiled in\n", __func__);
351 static inline void dsi_pll_uninit(struct platform_device *dsidev,
352 bool disconnect_lanes)
355 static inline void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev)
358 static inline void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev)
361 static inline struct platform_device *dsi_get_dsidev_from_id(int module)
363 WARN("%s: DSI not compiled in, returning platform device as NULL\n",
370 int dpi_init_platform_driver(void) __init;
371 void dpi_uninit_platform_driver(void) __exit;
374 int dispc_init_platform_driver(void) __init;
375 void dispc_uninit_platform_driver(void) __exit;
376 void dispc_dump_clocks(struct seq_file *s);
377 void dispc_irq_handler(void);
379 int dispc_runtime_get(void);
380 void dispc_runtime_put(void);
382 void dispc_enable_sidle(void);
383 void dispc_disable_sidle(void);
385 void dispc_lcd_enable_signal_polarity(bool act_high);
386 void dispc_lcd_enable_signal(bool enable);
387 void dispc_pck_free_enable(bool enable);
388 void dispc_enable_fifomerge(bool enable);
389 void dispc_enable_gamma_table(bool enable);
390 void dispc_set_loadmode(enum omap_dss_load_mode mode);
392 bool dispc_mgr_timings_ok(enum omap_channel channel,
393 const struct omap_video_timings *timings);
394 unsigned long dispc_fclk_rate(void);
395 void dispc_find_clk_divs(unsigned long req_pck, unsigned long fck,
396 struct dispc_clock_info *cinfo);
397 int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
398 struct dispc_clock_info *cinfo);
401 void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high);
402 void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
403 u32 *fifo_low, u32 *fifo_high, bool use_fifomerge,
405 int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
406 bool ilace, bool replication,
407 const struct omap_video_timings *mgr_timings);
408 int dispc_ovl_enable(enum omap_plane plane, bool enable);
409 void dispc_ovl_set_channel_out(enum omap_plane plane,
410 enum omap_channel channel);
412 void dispc_mgr_enable_fifohandcheck(enum omap_channel channel, bool enable);
413 u32 dispc_mgr_get_vsync_irq(enum omap_channel channel);
414 u32 dispc_mgr_get_framedone_irq(enum omap_channel channel);
415 bool dispc_mgr_go_busy(enum omap_channel channel);
416 void dispc_mgr_go(enum omap_channel channel);
417 bool dispc_mgr_is_enabled(enum omap_channel channel);
418 void dispc_mgr_enable(enum omap_channel channel, bool enable);
419 bool dispc_mgr_is_channel_enabled(enum omap_channel channel);
420 void dispc_mgr_set_io_pad_mode(enum dss_io_pad_mode mode);
421 void dispc_mgr_enable_stallmode(enum omap_channel channel, bool enable);
422 void dispc_mgr_set_tft_data_lines(enum omap_channel channel, u8 data_lines);
423 void dispc_mgr_set_lcd_display_type(enum omap_channel channel,
424 enum omap_lcd_display_type type);
425 void dispc_mgr_set_timings(enum omap_channel channel,
426 struct omap_video_timings *timings);
427 void dispc_mgr_set_pol_freq(enum omap_channel channel,
428 enum omap_panel_config config, u8 acbi, u8 acb);
429 unsigned long dispc_mgr_lclk_rate(enum omap_channel channel);
430 unsigned long dispc_mgr_pclk_rate(enum omap_channel channel);
431 unsigned long dispc_core_clk_rate(void);
432 int dispc_mgr_set_clock_div(enum omap_channel channel,
433 struct dispc_clock_info *cinfo);
434 int dispc_mgr_get_clock_div(enum omap_channel channel,
435 struct dispc_clock_info *cinfo);
436 void dispc_mgr_setup(enum omap_channel channel,
437 struct omap_overlay_manager_info *info);
440 #ifdef CONFIG_OMAP2_DSS_VENC
441 int venc_init_platform_driver(void) __init;
442 void venc_uninit_platform_driver(void) __exit;
443 unsigned long venc_get_pixel_clock(void);
445 static inline unsigned long venc_get_pixel_clock(void)
447 WARN("%s: VENC not compiled in, returning pclk as 0\n", __func__);
453 #ifdef CONFIG_OMAP4_DSS_HDMI
454 int hdmi_init_platform_driver(void) __init;
455 void hdmi_uninit_platform_driver(void) __exit;
456 unsigned long hdmi_get_pixel_clock(void);
458 static inline unsigned long hdmi_get_pixel_clock(void)
460 WARN("%s: HDMI not compiled in, returning pclk as 0\n", __func__);
464 int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev);
465 void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev);
466 void omapdss_hdmi_display_set_timing(struct omap_dss_device *dssdev);
467 int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
468 struct omap_video_timings *timings);
469 int omapdss_hdmi_read_edid(u8 *buf, int len);
470 bool omapdss_hdmi_detect(void);
471 int hdmi_panel_init(void);
472 void hdmi_panel_exit(void);
473 #ifdef CONFIG_OMAP4_DSS_HDMI_AUDIO
474 int hdmi_audio_enable(void);
475 void hdmi_audio_disable(void);
476 int hdmi_audio_start(void);
477 void hdmi_audio_stop(void);
478 bool hdmi_mode_has_audio(void);
479 int hdmi_audio_config(struct omap_dss_audio *audio);
483 int rfbi_init_platform_driver(void) __init;
484 void rfbi_uninit_platform_driver(void) __exit;
487 #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
488 static inline void dss_collect_irq_stats(u32 irqstatus, unsigned *irq_arr)
491 for (b = 0; b < 32; ++b) {
492 if (irqstatus & (1 << b))