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 unsigned int 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
159 struct platform_device
;
162 struct bus_type
*dss_get_bus(void);
163 struct regulator
*dss_get_vdds_dsi(void);
164 struct regulator
*dss_get_vdds_sdi(void);
167 int dss_suspend_all_devices(void);
168 int dss_resume_all_devices(void);
169 void dss_disable_all_devices(void);
171 void dss_init_device(struct platform_device
*pdev
,
172 struct omap_dss_device
*dssdev
);
173 void dss_uninit_device(struct platform_device
*pdev
,
174 struct omap_dss_device
*dssdev
);
175 bool dss_use_replication(struct omap_dss_device
*dssdev
,
176 enum omap_color_mode mode
);
177 void default_get_overlay_fifo_thresholds(enum omap_plane plane
,
178 u32 fifo_size
, u32 burst_size
,
179 u32
*fifo_low
, u32
*fifo_high
);
182 int dss_init_overlay_managers(struct platform_device
*pdev
);
183 void dss_uninit_overlay_managers(struct platform_device
*pdev
);
184 int dss_mgr_wait_for_go_ovl(struct omap_overlay
*ovl
);
185 void dss_setup_partial_planes(struct omap_dss_device
*dssdev
,
186 u16
*x
, u16
*y
, u16
*w
, u16
*h
,
187 bool enlarge_update_area
);
188 void dss_start_update(struct omap_dss_device
*dssdev
);
191 void dss_init_overlays(struct platform_device
*pdev
);
192 void dss_uninit_overlays(struct platform_device
*pdev
);
193 int dss_check_overlay(struct omap_overlay
*ovl
, struct omap_dss_device
*dssdev
);
194 void dss_overlay_setup_dispc_manager(struct omap_overlay_manager
*mgr
);
195 void dss_recheck_connections(struct omap_dss_device
*dssdev
, bool force
);
198 int dss_init_platform_driver(void);
199 void dss_uninit_platform_driver(void);
201 int dss_runtime_get(void);
202 void dss_runtime_put(void);
204 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select
);
205 enum dss_hdmi_venc_clk_source_select
dss_get_hdmi_venc_clk_source(void);
206 const char *dss_get_generic_clk_source_name(enum omap_dss_clk_source clk_src
);
207 void dss_dump_clocks(struct seq_file
*s
);
209 void dss_dump_regs(struct seq_file
*s
);
210 #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_OMAP2_DSS_DEBUG_SUPPORT)
211 void dss_debug_dump_clocks(struct seq_file
*s
);
214 void dss_sdi_init(u8 datapairs
);
215 int dss_sdi_enable(void);
216 void dss_sdi_disable(void);
218 void dss_select_dispc_clk_source(enum omap_dss_clk_source clk_src
);
219 void dss_select_dsi_clk_source(int dsi_module
,
220 enum omap_dss_clk_source clk_src
);
221 void dss_select_lcd_clk_source(enum omap_channel channel
,
222 enum omap_dss_clk_source clk_src
);
223 enum omap_dss_clk_source
dss_get_dispc_clk_source(void);
224 enum omap_dss_clk_source
dss_get_dsi_clk_source(int dsi_module
);
225 enum omap_dss_clk_source
dss_get_lcd_clk_source(enum omap_channel channel
);
227 void dss_set_venc_output(enum omap_dss_venc_type type
);
228 void dss_set_dac_pwrdn_bgz(bool enable
);
230 unsigned long dss_get_dpll4_rate(void);
231 int dss_calc_clock_rates(struct dss_clock_info
*cinfo
);
232 int dss_set_clock_div(struct dss_clock_info
*cinfo
);
233 int dss_get_clock_div(struct dss_clock_info
*cinfo
);
234 int dss_calc_clock_div(bool is_tft
, unsigned long req_pck
,
235 struct dss_clock_info
*dss_cinfo
,
236 struct dispc_clock_info
*dispc_cinfo
);
239 #ifdef CONFIG_OMAP2_DSS_SDI
242 int sdi_init_display(struct omap_dss_device
*display
);
244 static inline int sdi_init(void)
248 static inline void sdi_exit(void)
254 #ifdef CONFIG_OMAP2_DSS_DSI
257 struct file_operations
;
259 int dsi_init_platform_driver(void);
260 void dsi_uninit_platform_driver(void);
262 int dsi_runtime_get(struct platform_device
*dsidev
);
263 void dsi_runtime_put(struct platform_device
*dsidev
);
265 void dsi_dump_clocks(struct seq_file
*s
);
266 void dsi_create_debugfs_files_irq(struct dentry
*debugfs_dir
,
267 const struct file_operations
*debug_fops
);
268 void dsi_create_debugfs_files_reg(struct dentry
*debugfs_dir
,
269 const struct file_operations
*debug_fops
);
271 int dsi_init_display(struct omap_dss_device
*display
);
272 void dsi_irq_handler(void);
273 u8
dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt
);
275 unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device
*dsidev
);
276 int dsi_pll_set_clock_div(struct platform_device
*dsidev
,
277 struct dsi_clock_info
*cinfo
);
278 int dsi_pll_calc_clock_div_pck(struct platform_device
*dsidev
, bool is_tft
,
279 unsigned long req_pck
, struct dsi_clock_info
*cinfo
,
280 struct dispc_clock_info
*dispc_cinfo
);
281 int dsi_pll_init(struct platform_device
*dsidev
, bool enable_hsclk
,
283 void dsi_pll_uninit(struct platform_device
*dsidev
, bool disconnect_lanes
);
284 void dsi_get_overlay_fifo_thresholds(enum omap_plane plane
,
285 u32 fifo_size
, u32 burst_size
,
286 u32
*fifo_low
, u32
*fifo_high
);
287 void dsi_wait_pll_hsdiv_dispc_active(struct platform_device
*dsidev
);
288 void dsi_wait_pll_hsdiv_dsi_active(struct platform_device
*dsidev
);
289 struct platform_device
*dsi_get_dsidev_from_id(int module
);
291 static inline int dsi_init_platform_driver(void)
295 static inline void dsi_uninit_platform_driver(void)
298 static inline int dsi_runtime_get(struct platform_device
*dsidev
)
302 static inline void dsi_runtime_put(struct platform_device
*dsidev
)
305 static inline u8
dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt
)
307 WARN("%s: DSI not compiled in, returning pixel_size as 0\n", __func__
);
310 static inline unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device
*dsidev
)
312 WARN("%s: DSI not compiled in, returning rate as 0\n", __func__
);
315 static inline int dsi_pll_set_clock_div(struct platform_device
*dsidev
,
316 struct dsi_clock_info
*cinfo
)
318 WARN("%s: DSI not compiled in\n", __func__
);
321 static inline int dsi_pll_calc_clock_div_pck(struct platform_device
*dsidev
,
322 bool is_tft
, unsigned long req_pck
,
323 struct dsi_clock_info
*dsi_cinfo
,
324 struct dispc_clock_info
*dispc_cinfo
)
326 WARN("%s: DSI not compiled in\n", __func__
);
329 static inline int dsi_pll_init(struct platform_device
*dsidev
,
330 bool enable_hsclk
, bool enable_hsdiv
)
332 WARN("%s: DSI not compiled in\n", __func__
);
335 static inline void dsi_pll_uninit(struct platform_device
*dsidev
,
336 bool disconnect_lanes
)
339 static inline void dsi_wait_pll_hsdiv_dispc_active(struct platform_device
*dsidev
)
342 static inline void dsi_wait_pll_hsdiv_dsi_active(struct platform_device
*dsidev
)
345 static inline struct platform_device
*dsi_get_dsidev_from_id(int module
)
347 WARN("%s: DSI not compiled in, returning platform device as NULL\n",
354 #ifdef CONFIG_OMAP2_DSS_DPI
357 int dpi_init_display(struct omap_dss_device
*dssdev
);
359 static inline int dpi_init(void)
363 static inline void dpi_exit(void)
369 int dispc_init_platform_driver(void);
370 void dispc_uninit_platform_driver(void);
371 void dispc_dump_clocks(struct seq_file
*s
);
372 void dispc_dump_irqs(struct seq_file
*s
);
373 void dispc_dump_regs(struct seq_file
*s
);
374 void dispc_irq_handler(void);
375 void dispc_fake_vsync_irq(void);
377 int dispc_runtime_get(void);
378 void dispc_runtime_put(void);
380 void dispc_enable_sidle(void);
381 void dispc_disable_sidle(void);
383 void dispc_lcd_enable_signal_polarity(bool act_high
);
384 void dispc_lcd_enable_signal(bool enable
);
385 void dispc_pck_free_enable(bool enable
);
386 void dispc_set_digit_size(u16 width
, u16 height
);
387 void dispc_enable_fifomerge(bool enable
);
388 void dispc_enable_gamma_table(bool enable
);
389 void dispc_set_loadmode(enum omap_dss_load_mode mode
);
391 bool dispc_lcd_timings_ok(struct omap_video_timings
*timings
);
392 unsigned long dispc_fclk_rate(void);
393 void dispc_find_clk_divs(bool is_tft
, unsigned long req_pck
, unsigned long fck
,
394 struct dispc_clock_info
*cinfo
);
395 int dispc_calc_clock_rates(unsigned long dispc_fclk_rate
,
396 struct dispc_clock_info
*cinfo
);
399 void dispc_ovl_set_fifo_threshold(enum omap_plane plane
, u32 low
, u32 high
);
400 u32
dispc_ovl_get_fifo_size(enum omap_plane plane
);
401 u32
dispc_ovl_get_burst_size(enum omap_plane plane
);
402 int dispc_ovl_setup(enum omap_plane plane
, struct omap_overlay_info
*oi
,
403 bool ilace
, enum omap_channel channel
, bool replication
,
404 u32 fifo_low
, u32 fifo_high
);
405 int dispc_ovl_enable(enum omap_plane plane
, bool enable
);
406 void dispc_ovl_set_channel_out(enum omap_plane plane
,
407 enum omap_channel channel
);
410 void dispc_mgr_enable_fifohandcheck(enum omap_channel channel
, bool enable
);
411 void dispc_mgr_set_lcd_size(enum omap_channel channel
, u16 width
, u16 height
);
412 void dispc_mgr_enable_cpr(enum omap_channel channel
, bool enable
);
413 void dispc_mgr_set_cpr_coef(enum omap_channel channel
,
414 struct omap_dss_cpr_coefs
*coefs
);
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_default_color(enum omap_channel channel
, u32 color
);
426 u32
dispc_mgr_get_default_color(enum omap_channel channel
);
427 void dispc_mgr_set_trans_key(enum omap_channel ch
,
428 enum omap_dss_trans_key_type type
,
430 void dispc_mgr_get_trans_key(enum omap_channel ch
,
431 enum omap_dss_trans_key_type
*type
,
433 void dispc_mgr_enable_trans_key(enum omap_channel ch
, bool enable
);
434 void dispc_mgr_enable_alpha_fixed_zorder(enum omap_channel ch
, bool enable
);
435 bool dispc_mgr_trans_key_enabled(enum omap_channel ch
);
436 bool dispc_mgr_alpha_fixed_zorder_enabled(enum omap_channel ch
);
437 void dispc_mgr_set_lcd_timings(enum omap_channel channel
,
438 struct omap_video_timings
*timings
);
439 void dispc_mgr_set_pol_freq(enum omap_channel channel
,
440 enum omap_panel_config config
, u8 acbi
, u8 acb
);
441 unsigned long dispc_mgr_lclk_rate(enum omap_channel channel
);
442 unsigned long dispc_mgr_pclk_rate(enum omap_channel channel
);
443 int dispc_mgr_set_clock_div(enum omap_channel channel
,
444 struct dispc_clock_info
*cinfo
);
445 int dispc_mgr_get_clock_div(enum omap_channel channel
,
446 struct dispc_clock_info
*cinfo
);
449 #ifdef CONFIG_OMAP2_DSS_VENC
450 int venc_init_platform_driver(void);
451 void venc_uninit_platform_driver(void);
452 void venc_dump_regs(struct seq_file
*s
);
453 int venc_init_display(struct omap_dss_device
*display
);
454 unsigned long venc_get_pixel_clock(void);
456 static inline int venc_init_platform_driver(void)
460 static inline void venc_uninit_platform_driver(void)
463 static inline unsigned long venc_get_pixel_clock(void)
465 WARN("%s: VENC not compiled in, returning pclk as 0\n", __func__
);
471 #ifdef CONFIG_OMAP4_DSS_HDMI
472 int hdmi_init_platform_driver(void);
473 void hdmi_uninit_platform_driver(void);
474 int hdmi_init_display(struct omap_dss_device
*dssdev
);
475 unsigned long hdmi_get_pixel_clock(void);
476 void hdmi_dump_regs(struct seq_file
*s
);
478 static inline int hdmi_init_display(struct omap_dss_device
*dssdev
)
482 static inline int hdmi_init_platform_driver(void)
486 static inline void hdmi_uninit_platform_driver(void)
489 static inline unsigned long hdmi_get_pixel_clock(void)
491 WARN("%s: HDMI not compiled in, returning pclk as 0\n", __func__
);
495 int omapdss_hdmi_display_enable(struct omap_dss_device
*dssdev
);
496 void omapdss_hdmi_display_disable(struct omap_dss_device
*dssdev
);
497 void omapdss_hdmi_display_set_timing(struct omap_dss_device
*dssdev
);
498 int omapdss_hdmi_display_check_timing(struct omap_dss_device
*dssdev
,
499 struct omap_video_timings
*timings
);
500 int omapdss_hdmi_read_edid(u8
*buf
, int len
);
501 bool omapdss_hdmi_detect(void);
502 int hdmi_panel_init(void);
503 void hdmi_panel_exit(void);
506 #ifdef CONFIG_OMAP2_DSS_RFBI
507 int rfbi_init_platform_driver(void);
508 void rfbi_uninit_platform_driver(void);
509 void rfbi_dump_regs(struct seq_file
*s
);
510 int rfbi_init_display(struct omap_dss_device
*display
);
512 static inline int rfbi_init_platform_driver(void)
516 static inline void rfbi_uninit_platform_driver(void)
522 #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
523 static inline void dss_collect_irq_stats(u32 irqstatus
, unsigned *irq_arr
)
526 for (b
= 0; b
< 32; ++b
) {
527 if (irqstatus
& (1 << b
))