1 files changed, 248 insertions, 129 deletions

diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h
index 8dbf35f3ab23..a8b231ed4f4b 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.h
+++ b/drivers/gpu/drm/omapdrm/dss/dss.h
@@ -1,23 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * linux/drivers/video/omap2/dss/dss.h
- *
  * Copyright (C) 2009 Nokia Corporation
- * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ * 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
@@ -27,6 +14,14 @@
 
 #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
@@ -72,6 +67,14 @@
 #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,
@@ -88,17 +91,6 @@ enum dss_dsi_content_type {
 	DSS_DSI_CONTENT_GENERIC,
 };
 
-enum dss_writeback_channel {
-	DSS_WB_LCD1_MGR =	0,
-	DSS_WB_LCD2_MGR =	1,
-	DSS_WB_TV_MGR =		2,
-	DSS_WB_OVL0 =		3,
-	DSS_WB_OVL1 =		4,
-	DSS_WB_OVL2 =		5,
-	DSS_WB_OVL3 =		6,
-	DSS_WB_LCD3_MGR =	7,
-};
-
 enum dss_clk_source {
 	DSS_CLK_SRC_FCK = 0,
 
@@ -158,10 +150,10 @@ struct dss_pll_ops {
 struct dss_pll_hw {
 	enum dss_pll_type type;
 
-	unsigned n_max;
-	unsigned m_min;
-	unsigned m_max;
-	unsigned mX_max;
+	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;
@@ -174,11 +166,18 @@ struct dss_pll_hw {
 	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;
@@ -192,6 +191,11 @@ struct dss_pll {
 	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;
@@ -215,14 +219,53 @@ struct dss_lcd_mgr_config {
 	int lcden_sig_polarity;
 };
 
-struct seq_file;
-struct platform_device;
+#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;
+	struct omap_drm_private *mgr_ops_priv;
+};
 
 /* core */
-int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask);
-void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask);
-int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
-int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
+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)
 {
@@ -234,58 +277,80 @@ static inline bool dss_mgr_is_lcd(enum omap_channel id)
 }
 
 /* DSS */
-int dss_init_platform_driver(void) __init;
-void dss_uninit_platform_driver(void);
+#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;
+}
 
-int dss_runtime_get(void);
-void dss_runtime_put(void);
+static inline void dss_debugfs_remove_file(struct dss_debugfs_entry *entry)
+{
+}
+#endif /* CONFIG_OMAP2_DSS_DEBUGFS */
 
-unsigned long dss_get_dispc_clk_rate(void);
-int dss_dpi_select_source(int port, enum omap_channel channel);
-void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
-enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
+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);
-void dss_dump_clocks(struct seq_file *s);
 
 /* DSS VIDEO PLL */
-struct dss_pll *dss_video_pll_init(struct platform_device *pdev, int id,
-	struct regulator *regulator);
+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);
 
-#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
-void dss_debug_dump_clocks(struct seq_file *s);
-#endif
+void dss_ctrl_pll_enable(struct dss_pll *pll, bool enable);
 
-void dss_ctrl_pll_enable(enum dss_pll_id pll_id, 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_sdi_init(int datapairs);
-int dss_sdi_enable(void);
-void dss_sdi_disable(void);
+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_select_dsi_clk_source(int dsi_module,
-		enum dss_clk_source clk_src);
-void dss_select_lcd_clk_source(enum omap_channel channel,
-		enum dss_clk_source clk_src);
-enum dss_clk_source dss_get_dispc_clk_source(void);
-enum dss_clk_source dss_get_dsi_clk_source(int dsi_module);
-enum dss_clk_source dss_get_lcd_clk_source(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);
 
-void dss_set_venc_output(enum omap_dss_venc_type type);
-void dss_set_dac_pwrdn_bgz(bool enable);
-
-int dss_set_fck_rate(unsigned long rate);
+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(unsigned long pck, unsigned long fck_min,
-		dss_div_calc_func func, 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 platform_device *pdev, struct device_node *port);
+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 platform_device *pdev,
-		struct device_node *port)
+static inline int sdi_init_port(struct dss_device *dss,
+				struct platform_device *pdev,
+				struct device_node *port)
 {
 	return 0;
 }
@@ -298,25 +363,20 @@ static inline void sdi_uninit_port(struct device_node *port)
 
 #ifdef CONFIG_OMAP2_DSS_DSI
 
-struct dentry;
-struct file_operations;
-
-int dsi_init_platform_driver(void) __init;
-void dsi_uninit_platform_driver(void);
-
-void dsi_dump_clocks(struct seq_file *s);
-
 void dsi_irq_handler(void);
 
 #endif
 
 /* DPI */
 #ifdef CONFIG_OMAP2_DSS_DPI
-int dpi_init_port(struct platform_device *pdev, struct device_node *port);
+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 platform_device *pdev,
-		struct device_node *port)
+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;
 }
@@ -326,65 +386,108 @@ static inline void dpi_uninit_port(struct device_node *port)
 #endif
 
 /* DISPC */
-int dispc_init_platform_driver(void) __init;
-void dispc_uninit_platform_driver(void);
-void dispc_dump_clocks(struct seq_file *s);
+void dispc_dump_clocks(struct dispc_device *dispc, struct seq_file *s);
 
-int dispc_runtime_get(void);
-void dispc_runtime_put(void);
+int dispc_runtime_get(struct dispc_device *dispc);
+void dispc_runtime_put(struct dispc_device *dispc);
 
-void dispc_enable_sidle(void);
-void dispc_disable_sidle(void);
+int dispc_get_num_ovls(struct dispc_device *dispc);
+int dispc_get_num_mgrs(struct dispc_device *dispc);
 
-void dispc_lcd_enable_signal(bool enable);
-void dispc_pck_free_enable(bool enable);
-void dispc_enable_fifomerge(bool enable);
-void dispc_enable_gamma_table(bool enable);
+const u32 *dispc_ovl_get_color_modes(struct dispc_device *dispc,
+					    enum omap_plane_id plane);
 
-typedef bool (*dispc_div_calc_func)(int lckd, int pckd, unsigned long lck,
-		unsigned long pck, void *data);
-bool dispc_div_calc(unsigned long dispc,
-		unsigned long pck_min, unsigned long pck_max,
-		dispc_div_calc_func func, void *data);
+void dispc_ovl_get_max_size(struct dispc_device *dispc, u16 *width, u16 *height);
+bool dispc_ovl_color_mode_supported(struct dispc_device *dispc,
+				    enum omap_plane_id plane, u32 fourcc);
+enum omap_overlay_caps dispc_ovl_get_caps(struct dispc_device *dispc, enum omap_plane_id plane);
+
+u32 dispc_read_irqstatus(struct dispc_device *dispc);
+void dispc_clear_irqstatus(struct dispc_device *dispc, u32 mask);
+void dispc_write_irqenable(struct dispc_device *dispc, u32 mask);
+
+int dispc_request_irq(struct dispc_device *dispc, irq_handler_t handler,
+			     void *dev_id);
+void dispc_free_irq(struct dispc_device *dispc, void *dev_id);
 
-bool dispc_mgr_timings_ok(enum omap_channel channel, const struct videomode *vm);
-int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
-		struct dispc_clock_info *cinfo);
+u32 dispc_mgr_get_vsync_irq(struct dispc_device *dispc,
+				   enum omap_channel channel);
+u32 dispc_mgr_get_framedone_irq(struct dispc_device *dispc,
+				       enum omap_channel channel);
+u32 dispc_mgr_get_sync_lost_irq(struct dispc_device *dispc,
+				       enum omap_channel channel);
 
+u32 dispc_get_memory_bandwidth_limit(struct dispc_device *dispc);
 
-void dispc_ovl_set_fifo_threshold(enum omap_plane_id plane, u32 low,
-				  u32 high);
-void dispc_ovl_compute_fifo_thresholds(enum omap_plane_id plane,
-		u32 *fifo_low, u32 *fifo_high, bool use_fifomerge,
-		bool manual_update);
+void dispc_mgr_enable(struct dispc_device *dispc,
+			     enum omap_channel channel, bool enable);
 
-void dispc_mgr_set_clock_div(enum omap_channel channel,
-		const struct dispc_clock_info *cinfo);
-int dispc_mgr_get_clock_div(enum omap_channel channel,
-		struct dispc_clock_info *cinfo);
-void dispc_set_tv_pclk(unsigned long pclk);
+bool dispc_mgr_go_busy(struct dispc_device *dispc,
+			      enum omap_channel channel);
 
-u32 dispc_wb_get_framedone_irq(void);
-bool dispc_wb_go_busy(void);
-void dispc_wb_go(void);
-void dispc_wb_set_channel_in(enum dss_writeback_channel channel);
-int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
-		bool mem_to_mem, const struct videomode *vm);
+void dispc_mgr_go(struct dispc_device *dispc, enum omap_channel channel);
 
-/* VENC */
-int venc_init_platform_driver(void) __init;
-void venc_uninit_platform_driver(void);
+void dispc_mgr_set_lcd_config(struct dispc_device *dispc,
+				     enum omap_channel channel,
+				     const struct dss_lcd_mgr_config *config);
+void dispc_mgr_set_timings(struct dispc_device *dispc,
+				  enum omap_channel channel,
+				  const struct videomode *vm);
+void dispc_mgr_setup(struct dispc_device *dispc,
+			    enum omap_channel channel,
+			    const struct omap_overlay_manager_info *info);
 
-/* HDMI */
-int hdmi4_init_platform_driver(void) __init;
-void hdmi4_uninit_platform_driver(void);
+int dispc_mgr_check_timings(struct dispc_device *dispc,
+				   enum omap_channel channel,
+				   const struct videomode *vm);
 
-int hdmi5_init_platform_driver(void) __init;
-void hdmi5_uninit_platform_driver(void);
+u32 dispc_mgr_gamma_size(struct dispc_device *dispc,
+				enum omap_channel channel);
+void dispc_mgr_set_gamma(struct dispc_device *dispc,
+				enum omap_channel channel,
+				const struct drm_color_lut *lut,
+				unsigned int length);
 
+int dispc_ovl_setup(struct dispc_device *dispc,
+			   enum omap_plane_id plane,
+			   const struct omap_overlay_info *oi,
+			   const struct videomode *vm, bool mem_to_mem,
+			   enum omap_channel channel);
+
+int dispc_ovl_enable(struct dispc_device *dispc,
+			    enum omap_plane_id plane, bool enable);
+
+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);
+
+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);
+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 *irq_arr)
+static inline void dss_collect_irq_stats(u32 irqstatus, unsigned int *irq_arr)
 {
 	int b;
 	for (b = 0; b < 32; ++b) {
@@ -400,11 +503,12 @@ typedef bool (*dss_pll_calc_func)(int n, int m, unsigned long fint,
 typedef bool (*dss_hsdiv_calc_func)(int m_dispc, unsigned long dispc,
 		void *data);
 
-int dss_pll_register(struct dss_pll *pll);
+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(const char *name);
-struct dss_pll *dss_pll_find_by_src(enum dss_clk_source src);
-unsigned dss_pll_get_clkout_idx_for_src(enum dss_clk_source src);
+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,
@@ -426,4 +530,19 @@ 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