diff options
Diffstat (limited to 'drivers/video/omap2/dss/dss.h')
| -rw-r--r-- | drivers/video/omap2/dss/dss.h | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h new file mode 100644 index 000000000000..8da5ac42151b --- /dev/null +++ b/drivers/video/omap2/dss/dss.h @@ -0,0 +1,370 @@ +/* + * linux/drivers/video/omap2/dss/dss.h + * + * Copyright (C) 2009 Nokia Corporation + * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> + * + * Some code and ideas taken from drivers/video/omap/ driver + * by Imre Deak. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __OMAP2_DSS_H +#define __OMAP2_DSS_H + +#ifdef CONFIG_OMAP2_DSS_DEBUG_SUPPORT +#define DEBUG +#endif + +#ifdef DEBUG +extern unsigned int dss_debug; +#ifdef DSS_SUBSYS_NAME +#define DSSDBG(format, ...) \ + if (dss_debug) \ + printk(KERN_DEBUG "omapdss " DSS_SUBSYS_NAME ": " format, \ + ## __VA_ARGS__) +#else +#define DSSDBG(format, ...) \ + if (dss_debug) \ + printk(KERN_DEBUG "omapdss: " format, ## __VA_ARGS__) +#endif + +#ifdef DSS_SUBSYS_NAME +#define DSSDBGF(format, ...) \ + if (dss_debug) \ + printk(KERN_DEBUG "omapdss " DSS_SUBSYS_NAME \ + ": %s(" format ")\n", \ + __func__, \ + ## __VA_ARGS__) +#else +#define DSSDBGF(format, ...) \ + if (dss_debug) \ + printk(KERN_DEBUG "omapdss: " \ + ": %s(" format ")\n", \ + __func__, \ + ## __VA_ARGS__) +#endif + +#else /* DEBUG */ +#define DSSDBG(format, ...) +#define DSSDBGF(format, ...) +#endif + + +#ifdef DSS_SUBSYS_NAME +#define DSSERR(format, ...) \ + printk(KERN_ERR "omapdss " DSS_SUBSYS_NAME " error: " format, \ + ## __VA_ARGS__) +#else +#define DSSERR(format, ...) \ + printk(KERN_ERR "omapdss error: " format, ## __VA_ARGS__) +#endif + +#ifdef DSS_SUBSYS_NAME +#define DSSINFO(format, ...) \ + printk(KERN_INFO "omapdss " DSS_SUBSYS_NAME ": " format, \ + ## __VA_ARGS__) +#else +#define DSSINFO(format, ...) \ + printk(KERN_INFO "omapdss: " format, ## __VA_ARGS__) +#endif + +#ifdef DSS_SUBSYS_NAME +#define DSSWARN(format, ...) \ + printk(KERN_WARNING "omapdss " DSS_SUBSYS_NAME ": " format, \ + ## __VA_ARGS__) +#else +#define DSSWARN(format, ...) \ + printk(KERN_WARNING "omapdss: " format, ## __VA_ARGS__) +#endif + +/* OMAP TRM gives bitfields as start:end, where start is the higher bit + number. For example 7:0 */ +#define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end)) +#define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end)) +#define FLD_GET(val, start, end) (((val) & FLD_MASK(start, end)) >> (end)) +#define FLD_MOD(orig, val, start, end) \ + (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end)) + +#define DISPC_MAX_FCK 173000000 + +enum omap_burst_size { + OMAP_DSS_BURST_4x32 = 0, + OMAP_DSS_BURST_8x32 = 1, + OMAP_DSS_BURST_16x32 = 2, +}; + +enum omap_parallel_interface_mode { + OMAP_DSS_PARALLELMODE_BYPASS, /* MIPI DPI */ + OMAP_DSS_PARALLELMODE_RFBI, /* MIPI DBI */ + OMAP_DSS_PARALLELMODE_DSI, +}; + +enum dss_clock { + DSS_CLK_ICK = 1 << 0, + DSS_CLK_FCK1 = 1 << 1, + DSS_CLK_FCK2 = 1 << 2, + DSS_CLK_54M = 1 << 3, + DSS_CLK_96M = 1 << 4, +}; + +struct dss_clock_info { + /* rates that we get with dividers below */ + unsigned long fck; + + /* dividers */ + u16 fck_div; +}; + +struct dispc_clock_info { + /* rates that we get with dividers below */ + unsigned long lck; + unsigned long pck; + + /* dividers */ + u16 lck_div; + u16 pck_div; +}; + +struct dsi_clock_info { + /* rates that we get with dividers below */ + unsigned long fint; + unsigned long clkin4ddr; + unsigned long clkin; + unsigned long dsi1_pll_fclk; + unsigned long dsi2_pll_fclk; + + unsigned long lp_clk; + + /* dividers */ + u16 regn; + u16 regm; + u16 regm3; + u16 regm4; + + u16 lp_clk_div; + + u8 highfreq; + bool use_dss2_fck; +}; + +struct seq_file; +struct platform_device; + +/* core */ +void dss_clk_enable(enum dss_clock clks); +void dss_clk_disable(enum dss_clock clks); +unsigned long dss_clk_get_rate(enum dss_clock clk); +int dss_need_ctx_restore(void); +void dss_dump_clocks(struct seq_file *s); +struct bus_type *dss_get_bus(void); + +/* display */ +int dss_suspend_all_devices(void); +int dss_resume_all_devices(void); +void dss_disable_all_devices(void); + +void dss_init_device(struct platform_device *pdev, + struct omap_dss_device *dssdev); +void dss_uninit_device(struct platform_device *pdev, + struct omap_dss_device *dssdev); +bool dss_use_replication(struct omap_dss_device *dssdev, + enum omap_color_mode mode); +void default_get_overlay_fifo_thresholds(enum omap_plane plane, + u32 fifo_size, enum omap_burst_size *burst_size, + u32 *fifo_low, u32 *fifo_high); + +/* manager */ +int dss_init_overlay_managers(struct platform_device *pdev); +void dss_uninit_overlay_managers(struct platform_device *pdev); +int dss_mgr_wait_for_go_ovl(struct omap_overlay *ovl); +void dss_setup_partial_planes(struct omap_dss_device *dssdev, + u16 *x, u16 *y, u16 *w, u16 *h); +void dss_start_update(struct omap_dss_device *dssdev); + +/* overlay */ +void dss_init_overlays(struct platform_device *pdev); +void dss_uninit_overlays(struct platform_device *pdev); +int dss_check_overlay(struct omap_overlay *ovl, struct omap_dss_device *dssdev); +void dss_overlay_setup_dispc_manager(struct omap_overlay_manager *mgr); +#ifdef L4_EXAMPLE +void dss_overlay_setup_l4_manager(struct omap_overlay_manager *mgr); +#endif +void dss_recheck_connections(struct omap_dss_device *dssdev, bool force); + +/* DSS */ +int dss_init(bool skip_init); +void dss_exit(void); + +void dss_save_context(void); +void dss_restore_context(void); + +void dss_dump_regs(struct seq_file *s); + +void dss_sdi_init(u8 datapairs); +int dss_sdi_enable(void); +void dss_sdi_disable(void); + +void dss_select_clk_source(bool dsi, bool dispc); +int dss_get_dsi_clk_source(void); +int dss_get_dispc_clk_source(void); +void dss_set_venc_output(enum omap_dss_venc_type type); +void dss_set_dac_pwrdn_bgz(bool enable); + +unsigned long dss_get_dpll4_rate(void); +int dss_calc_clock_rates(struct dss_clock_info *cinfo); +int dss_set_clock_div(struct dss_clock_info *cinfo); +int dss_get_clock_div(struct dss_clock_info *cinfo); +int dss_calc_clock_div(bool is_tft, unsigned long req_pck, + struct dss_clock_info *dss_cinfo, + struct dispc_clock_info *dispc_cinfo); + +/* SDI */ +int sdi_init(bool skip_init); +void sdi_exit(void); +int sdi_init_display(struct omap_dss_device *display); + +/* DSI */ +int dsi_init(struct platform_device *pdev); +void dsi_exit(void); + +void dsi_dump_clocks(struct seq_file *s); +void dsi_dump_regs(struct seq_file *s); + +void dsi_save_context(void); +void dsi_restore_context(void); + +int dsi_init_display(struct omap_dss_device *display); +void dsi_irq_handler(void); +unsigned long dsi_get_dsi1_pll_rate(void); +int dsi_pll_set_clock_div(struct dsi_clock_info *cinfo); +int dsi_pll_calc_clock_div_pck(bool is_tft, unsigned long req_pck, + struct dsi_clock_info *cinfo, + struct dispc_clock_info *dispc_cinfo); +int dsi_pll_init(struct omap_dss_device *dssdev, bool enable_hsclk, + bool enable_hsdiv); +void dsi_pll_uninit(void); +void dsi_get_overlay_fifo_thresholds(enum omap_plane plane, + u32 fifo_size, enum omap_burst_size *burst_size, + u32 *fifo_low, u32 *fifo_high); + +/* DPI */ +int dpi_init(void); +void dpi_exit(void); +int dpi_init_display(struct omap_dss_device *dssdev); + +/* DISPC */ +int dispc_init(void); +void dispc_exit(void); +void dispc_dump_clocks(struct seq_file *s); +void dispc_dump_regs(struct seq_file *s); +void dispc_irq_handler(void); +void dispc_fake_vsync_irq(void); + +void dispc_save_context(void); +void dispc_restore_context(void); + +void dispc_enable_sidle(void); +void dispc_disable_sidle(void); + +void dispc_lcd_enable_signal_polarity(bool act_high); +void dispc_lcd_enable_signal(bool enable); +void dispc_pck_free_enable(bool enable); +void dispc_enable_fifohandcheck(bool enable); + +void dispc_set_lcd_size(u16 width, u16 height); +void dispc_set_digit_size(u16 width, u16 height); +u32 dispc_get_plane_fifo_size(enum omap_plane plane); +void dispc_setup_plane_fifo(enum omap_plane plane, u32 low, u32 high); +void dispc_enable_fifomerge(bool enable); +void dispc_set_burst_size(enum omap_plane plane, + enum omap_burst_size burst_size); + +void dispc_set_plane_ba0(enum omap_plane plane, u32 paddr); +void dispc_set_plane_ba1(enum omap_plane plane, u32 paddr); +void dispc_set_plane_pos(enum omap_plane plane, u16 x, u16 y); +void dispc_set_plane_size(enum omap_plane plane, u16 width, u16 height); +void dispc_set_channel_out(enum omap_plane plane, + enum omap_channel channel_out); + +int dispc_setup_plane(enum omap_plane plane, + u32 paddr, u16 screen_width, + u16 pos_x, u16 pos_y, + u16 width, u16 height, + u16 out_width, u16 out_height, + enum omap_color_mode color_mode, + bool ilace, + enum omap_dss_rotation_type rotation_type, + u8 rotation, bool mirror, + u8 global_alpha); + +bool dispc_go_busy(enum omap_channel channel); +void dispc_go(enum omap_channel channel); +void dispc_enable_lcd_out(bool enable); +void dispc_enable_digit_out(bool enable); +int dispc_enable_plane(enum omap_plane plane, bool enable); +void dispc_enable_replication(enum omap_plane plane, bool enable); + +void dispc_set_parallel_interface_mode(enum omap_parallel_interface_mode mode); +void dispc_set_tft_data_lines(u8 data_lines); +void dispc_set_lcd_display_type(enum omap_lcd_display_type type); +void dispc_set_loadmode(enum omap_dss_load_mode mode); + +void dispc_set_default_color(enum omap_channel channel, u32 color); +u32 dispc_get_default_color(enum omap_channel channel); +void dispc_set_trans_key(enum omap_channel ch, + enum omap_dss_trans_key_type type, + u32 trans_key); +void dispc_get_trans_key(enum omap_channel ch, + enum omap_dss_trans_key_type *type, + u32 *trans_key); +void dispc_enable_trans_key(enum omap_channel ch, bool enable); +void dispc_enable_alpha_blending(enum omap_channel ch, bool enable); +bool dispc_trans_key_enabled(enum omap_channel ch); +bool dispc_alpha_blending_enabled(enum omap_channel ch); + +bool dispc_lcd_timings_ok(struct omap_video_timings *timings); +void dispc_set_lcd_timings(struct omap_video_timings *timings); +unsigned long dispc_fclk_rate(void); +unsigned long dispc_lclk_rate(void); +unsigned long dispc_pclk_rate(void); +void dispc_set_pol_freq(enum omap_panel_config config, u8 acbi, u8 acb); +void dispc_find_clk_divs(bool is_tft, unsigned long req_pck, unsigned long fck, + struct dispc_clock_info *cinfo); +int dispc_calc_clock_rates(unsigned long dispc_fclk_rate, + struct dispc_clock_info *cinfo); +int dispc_set_clock_div(struct dispc_clock_info *cinfo); +int dispc_get_clock_div(struct dispc_clock_info *cinfo); + + +/* VENC */ +int venc_init(struct platform_device *pdev); +void venc_exit(void); +void venc_dump_regs(struct seq_file *s); +int venc_init_display(struct omap_dss_device *display); + +/* RFBI */ +int rfbi_init(void); +void rfbi_exit(void); +void rfbi_dump_regs(struct seq_file *s); + +int rfbi_configure(int rfbi_module, int bpp, int lines); +void rfbi_enable_rfbi(bool enable); +void rfbi_transfer_area(u16 width, u16 height, + void (callback)(void *data), void *data); +void rfbi_set_timings(int rfbi_module, struct rfbi_timings *t); +unsigned long rfbi_get_max_tx_rate(void); +int rfbi_init_display(struct omap_dss_device *display); + +#endif |