| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Tomi Valkeinen | 1143 | 57.52% | 44 | 49.44% |
| Laurent Pinchart | 548 | 27.58% | 22 | 24.72% |
| Archit Taneja | 186 | 9.36% | 12 | 13.48% |
| Andrew F. Davis | 50 | 2.52% | 1 | 1.12% |
| Mythri P K | 14 | 0.70% | 2 | 2.25% |
| Chandrabhanu Mahapatra | 12 | 0.60% | 1 | 1.12% |
| Sumit Semwal | 8 | 0.40% | 1 | 1.12% |
| Jyri Sarha | 7 | 0.35% | 2 | 2.25% |
| Joe Perches | 6 | 0.30% | 1 | 1.12% |
| Jani Nikula | 5 | 0.25% | 1 | 1.12% |
| Senthilvadivu Guruswamy | 4 | 0.20% | 1 | 1.12% |
| Venkateswara Rao Mandela | 4 | 0.20% | 1 | 1.12% |
| Total | 1987 | 89 |
/* * Copyright (C) 2009 Nokia Corporation * Author: Tomi Valkeinen <tomi.valkeinen@ti.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 #include <linux/interrupt.h> #include "omapdss.h" struct dispc_device; struct dss_debugfs_entry; struct platform_device; struct seq_file; #define MAX_DSS_LCD_MANAGERS 3 #define MAX_NUM_DSI 2 #ifdef pr_fmt #undef pr_fmt #endif #ifdef DSS_SUBSYS_NAME #define pr_fmt(fmt) DSS_SUBSYS_NAME ": " fmt #else #define pr_fmt(fmt) fmt #endif #define DSSDBG(format, ...) \ pr_debug(format, ## __VA_ARGS__) #ifdef DSS_SUBSYS_NAME #define DSSERR(format, ...) \ pr_err("omapdss " DSS_SUBSYS_NAME " error: " format, ##__VA_ARGS__) #else #define DSSERR(format, ...) \ pr_err("omapdss error: " format, ##__VA_ARGS__) #endif #ifdef DSS_SUBSYS_NAME #define DSSINFO(format, ...) \ pr_info("omapdss " DSS_SUBSYS_NAME ": " format, ##__VA_ARGS__) #else #define DSSINFO(format, ...) \ pr_info("omapdss: " format, ## __VA_ARGS__) #endif #ifdef DSS_SUBSYS_NAME #define DSSWARN(format, ...) \ pr_warn("omapdss " DSS_SUBSYS_NAME ": " format, ##__VA_ARGS__) #else #define DSSWARN(format, ...) \ pr_warn("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)) enum dss_model { DSS_MODEL_OMAP2, DSS_MODEL_OMAP3, DSS_MODEL_OMAP4, DSS_MODEL_OMAP5, DSS_MODEL_DRA7, }; enum dss_io_pad_mode { DSS_IO_PAD_MODE_RESET, DSS_IO_PAD_MODE_RFBI, DSS_IO_PAD_MODE_BYPASS, }; enum dss_hdmi_venc_clk_source_select { DSS_VENC_TV_CLK = 0, DSS_HDMI_M_PCLK = 1, }; enum dss_dsi_content_type { DSS_DSI_CONTENT_DCS, DSS_DSI_CONTENT_GENERIC, }; enum dss_clk_source { DSS_CLK_SRC_FCK = 0, DSS_CLK_SRC_PLL1_1, DSS_CLK_SRC_PLL1_2, DSS_CLK_SRC_PLL1_3, DSS_CLK_SRC_PLL2_1, DSS_CLK_SRC_PLL2_2, DSS_CLK_SRC_PLL2_3, DSS_CLK_SRC_HDMI_PLL, }; enum dss_pll_id { DSS_PLL_DSI1, DSS_PLL_DSI2, DSS_PLL_HDMI, DSS_PLL_VIDEO1, DSS_PLL_VIDEO2, }; struct dss_pll; #define DSS_PLL_MAX_HSDIVS 4 enum dss_pll_type { DSS_PLL_TYPE_A, DSS_PLL_TYPE_B, }; /* * Type-A PLLs: clkout[]/mX[] refer to hsdiv outputs m4, m5, m6, m7. * Type-B PLLs: clkout[0] refers to m2. */ struct dss_pll_clock_info { /* rates that we get with dividers below */ unsigned long fint; unsigned long clkdco; unsigned long clkout[DSS_PLL_MAX_HSDIVS]; /* dividers */ u16 n; u16 m; u32 mf; u16 mX[DSS_PLL_MAX_HSDIVS]; u16 sd; }; struct dss_pll_ops { int (*enable)(struct dss_pll *pll); void (*disable)(struct dss_pll *pll); int (*set_config)(struct dss_pll *pll, const struct dss_pll_clock_info *cinfo); }; struct dss_pll_hw { enum dss_pll_type type; unsigned int n_max; unsigned int m_min; unsigned int m_max; unsigned int mX_max; unsigned long fint_min, fint_max; unsigned long clkdco_min, clkdco_low, clkdco_max; u8 n_msb, n_lsb; u8 m_msb, m_lsb; u8 mX_msb[DSS_PLL_MAX_HSDIVS], mX_lsb[DSS_PLL_MAX_HSDIVS]; bool has_stopmode; bool has_freqsel; bool has_selfreqdco; bool has_refsel; /* DRA7 errata i886: use high N & M to avoid jitter */ bool errata_i886; /* DRA7 errata i932: retry pll lock on failure */ bool errata_i932; }; struct dss_pll { const char *name; enum dss_pll_id id; struct dss_device *dss; struct clk *clkin; struct regulator *regulator; void __iomem *base; const struct dss_pll_hw *hw; const struct dss_pll_ops *ops; struct dss_pll_clock_info cinfo; }; /* Defines a generic omap register field */ struct dss_reg_field { u8 start, end; }; 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 dss_lcd_mgr_config { enum dss_io_pad_mode io_pad_mode; bool stallmode; bool fifohandcheck; struct dispc_clock_info clock_info; int video_port_width; int lcden_sig_polarity; }; #define DSS_SZ_REGS SZ_512 struct dss_device { struct platform_device *pdev; void __iomem *base; struct regmap *syscon_pll_ctrl; u32 syscon_pll_ctrl_offset; struct platform_device *drm_pdev; struct clk *parent_clk; struct clk *dss_clk; unsigned long dss_clk_rate; unsigned long cache_req_pck; unsigned long cache_prate; struct dispc_clock_info cache_dispc_cinfo; enum dss_clk_source dsi_clk_source[MAX_NUM_DSI]; enum dss_clk_source dispc_clk_source; enum dss_clk_source lcd_clk_source[MAX_DSS_LCD_MANAGERS]; bool ctx_valid; u32 ctx[DSS_SZ_REGS / sizeof(u32)]; const struct dss_features *feat; struct { struct dentry *root; struct dss_debugfs_entry *clk; struct dss_debugfs_entry *dss; } debugfs; struct dss_pll *plls[4]; struct dss_pll *video1_pll; struct dss_pll *video2_pll; struct dispc_device *dispc; const struct dispc_ops *dispc_ops; const struct dss_mgr_ops *mgr_ops; struct omap_drm_private *mgr_ops_priv; }; /* core */ static inline int dss_set_min_bus_tput(struct device *dev, unsigned long tput) { /* To be implemented when the OMAP platform will provide this feature */ return 0; } static inline bool dss_mgr_is_lcd(enum omap_channel id) { if (id == OMAP_DSS_CHANNEL_LCD || id == OMAP_DSS_CHANNEL_LCD2 || id == OMAP_DSS_CHANNEL_LCD3) return true; else return false; } /* DSS */ #if defined(CONFIG_OMAP2_DSS_DEBUGFS) struct dss_debugfs_entry * dss_debugfs_create_file(struct dss_device *dss, const char *name, int (*show_fn)(struct seq_file *s, void *data), void *data); void dss_debugfs_remove_file(struct dss_debugfs_entry *entry); #else static inline struct dss_debugfs_entry * dss_debugfs_create_file(struct dss_device *dss, const char *name, int (*show_fn)(struct seq_file *s, void *data), void *data) { return NULL; } static inline void dss_debugfs_remove_file(struct dss_debugfs_entry *entry) { } #endif /* CONFIG_OMAP2_DSS_DEBUGFS */ struct dss_device *dss_get_device(struct device *dev); int dss_runtime_get(struct dss_device *dss); void dss_runtime_put(struct dss_device *dss); unsigned long dss_get_dispc_clk_rate(struct dss_device *dss); unsigned long dss_get_max_fck_rate(struct dss_device *dss); int dss_dpi_select_source(struct dss_device *dss, int port, enum omap_channel channel); void dss_select_hdmi_venc_clk_source(struct dss_device *dss, enum dss_hdmi_venc_clk_source_select src); const char *dss_get_clk_source_name(enum dss_clk_source clk_src); /* DSS VIDEO PLL */ struct dss_pll *dss_video_pll_init(struct dss_device *dss, struct platform_device *pdev, int id, struct regulator *regulator); void dss_video_pll_uninit(struct dss_pll *pll); void dss_ctrl_pll_enable(struct dss_pll *pll, bool enable); void dss_sdi_init(struct dss_device *dss, int datapairs); int dss_sdi_enable(struct dss_device *dss); void dss_sdi_disable(struct dss_device *dss); void dss_select_dsi_clk_source(struct dss_device *dss, int dsi_module, enum dss_clk_source clk_src); void dss_select_lcd_clk_source(struct dss_device *dss, enum omap_channel channel, enum dss_clk_source clk_src); enum dss_clk_source dss_get_dispc_clk_source(struct dss_device *dss); enum dss_clk_source dss_get_dsi_clk_source(struct dss_device *dss, int dsi_module); enum dss_clk_source dss_get_lcd_clk_source(struct dss_device *dss, enum omap_channel channel); void dss_set_venc_output(struct dss_device *dss, enum omap_dss_venc_type type); void dss_set_dac_pwrdn_bgz(struct dss_device *dss, bool enable); int dss_set_fck_rate(struct dss_device *dss, unsigned long rate); typedef bool (*dss_div_calc_func)(unsigned long fck, void *data); bool dss_div_calc(struct dss_device *dss, unsigned long pck, unsigned long fck_min, dss_div_calc_func func, void *data); /* SDI */ #ifdef CONFIG_OMAP2_DSS_SDI int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, struct device_node *port); void sdi_uninit_port(struct device_node *port); #else static inline int sdi_init_port(struct dss_device *dss, struct platform_device *pdev, struct device_node *port) { return 0; } static inline void sdi_uninit_port(struct device_node *port) { } #endif /* DSI */ #ifdef CONFIG_OMAP2_DSS_DSI void dsi_irq_handler(void); #endif /* DPI */ #ifdef CONFIG_OMAP2_DSS_DPI int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, struct device_node *port, enum dss_model dss_model); void dpi_uninit_port(struct device_node *port); #else static inline int dpi_init_port(struct dss_device *dss, struct platform_device *pdev, struct device_node *port, enum dss_model dss_model) { return 0; } static inline void dpi_uninit_port(struct device_node *port) { } #endif /* DISPC */ void dispc_dump_clocks(struct dispc_device *dispc, struct seq_file *s); int dispc_runtime_get(struct dispc_device *dispc); void dispc_runtime_put(struct dispc_device *dispc); void dispc_enable_sidle(struct dispc_device *dispc); void dispc_disable_sidle(struct dispc_device *dispc); void dispc_lcd_enable_signal(struct dispc_device *dispc, bool enable); void dispc_pck_free_enable(struct dispc_device *dispc, bool enable); void dispc_enable_fifomerge(struct dispc_device *dispc, bool enable); typedef bool (*dispc_div_calc_func)(int lckd, int pckd, unsigned long lck, unsigned long pck, void *data); bool dispc_div_calc(struct dispc_device *dispc, unsigned long dispc_freq, unsigned long pck_min, unsigned long pck_max, dispc_div_calc_func func, void *data); int dispc_calc_clock_rates(struct dispc_device *dispc, unsigned long dispc_fclk_rate, struct dispc_clock_info *cinfo); void dispc_ovl_set_fifo_threshold(struct dispc_device *dispc, enum omap_plane_id plane, u32 low, u32 high); void dispc_ovl_compute_fifo_thresholds(struct dispc_device *dispc, enum omap_plane_id plane, u32 *fifo_low, u32 *fifo_high, bool use_fifomerge, bool manual_update); void dispc_mgr_set_clock_div(struct dispc_device *dispc, enum omap_channel channel, const struct dispc_clock_info *cinfo); int dispc_mgr_get_clock_div(struct dispc_device *dispc, enum omap_channel channel, struct dispc_clock_info *cinfo); void dispc_set_tv_pclk(struct dispc_device *dispc, unsigned long pclk); #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS static inline void dss_collect_irq_stats(u32 irqstatus, unsigned int *irq_arr) { int b; for (b = 0; b < 32; ++b) { if (irqstatus & (1 << b)) irq_arr[b]++; } } #endif /* PLL */ typedef bool (*dss_pll_calc_func)(int n, int m, unsigned long fint, unsigned long clkdco, void *data); typedef bool (*dss_hsdiv_calc_func)(int m_dispc, unsigned long dispc, void *data); int dss_pll_register(struct dss_device *dss, struct dss_pll *pll); void dss_pll_unregister(struct dss_pll *pll); struct dss_pll *dss_pll_find(struct dss_device *dss, const char *name); struct dss_pll *dss_pll_find_by_src(struct dss_device *dss, enum dss_clk_source src); unsigned int dss_pll_get_clkout_idx_for_src(enum dss_clk_source src); int dss_pll_enable(struct dss_pll *pll); void dss_pll_disable(struct dss_pll *pll); int dss_pll_set_config(struct dss_pll *pll, const struct dss_pll_clock_info *cinfo); bool dss_pll_hsdiv_calc_a(const struct dss_pll *pll, unsigned long clkdco, unsigned long out_min, unsigned long out_max, dss_hsdiv_calc_func func, void *data); bool dss_pll_calc_a(const struct dss_pll *pll, unsigned long clkin, unsigned long pll_min, unsigned long pll_max, dss_pll_calc_func func, void *data); bool dss_pll_calc_b(const struct dss_pll *pll, unsigned long clkin, unsigned long target_clkout, struct dss_pll_clock_info *cinfo); int dss_pll_write_config_type_a(struct dss_pll *pll, const struct dss_pll_clock_info *cinfo); int dss_pll_write_config_type_b(struct dss_pll *pll, const struct dss_pll_clock_info *cinfo); int dss_pll_wait_reset_done(struct dss_pll *pll); extern struct platform_driver omap_dsshw_driver; extern struct platform_driver omap_dispchw_driver; #ifdef CONFIG_OMAP2_DSS_DSI extern struct platform_driver omap_dsihw_driver; #endif #ifdef CONFIG_OMAP2_DSS_VENC extern struct platform_driver omap_venchw_driver; #endif #ifdef CONFIG_OMAP4_DSS_HDMI extern struct platform_driver omapdss_hdmi4hw_driver; #endif #ifdef CONFIG_OMAP5_DSS_HDMI extern struct platform_driver omapdss_hdmi5hw_driver; #endif #endif
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