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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 | /* * Copyright (C) 2012 Avionic Design GmbH * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved. * * 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. */ #ifndef HOST1X_DRM_H #define HOST1X_DRM_H 1 #include <uapi/drm/tegra_drm.h> #include <linux/host1x.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_edid.h> #include <drm/drm_fb_helper.h> #include <drm/drm_fixed.h> struct reset_control; struct tegra_fb { struct drm_framebuffer base; struct tegra_bo **planes; unsigned int num_planes; }; #ifdef CONFIG_DRM_TEGRA_FBDEV struct tegra_fbdev { struct drm_fb_helper base; struct tegra_fb *fb; }; #endif struct tegra_drm { struct drm_device *drm; struct mutex clients_lock; struct list_head clients; #ifdef CONFIG_DRM_TEGRA_FBDEV struct tegra_fbdev *fbdev; #endif }; struct tegra_drm_client; struct tegra_drm_context { struct tegra_drm_client *client; struct host1x_channel *channel; struct list_head list; }; struct tegra_drm_client_ops { int (*open_channel)(struct tegra_drm_client *client, struct tegra_drm_context *context); void (*close_channel)(struct tegra_drm_context *context); int (*is_addr_reg)(struct device *dev, u32 class, u32 offset); int (*submit)(struct tegra_drm_context *context, struct drm_tegra_submit *args, struct drm_device *drm, struct drm_file *file); }; int tegra_drm_submit(struct tegra_drm_context *context, struct drm_tegra_submit *args, struct drm_device *drm, struct drm_file *file); struct tegra_drm_client { struct host1x_client base; struct list_head list; const struct tegra_drm_client_ops *ops; }; static inline struct tegra_drm_client * host1x_to_drm_client(struct host1x_client *client) { return container_of(client, struct tegra_drm_client, base); } extern int tegra_drm_register_client(struct tegra_drm *tegra, struct tegra_drm_client *client); extern int tegra_drm_unregister_client(struct tegra_drm *tegra, struct tegra_drm_client *client); extern int tegra_drm_init(struct tegra_drm *tegra, struct drm_device *drm); extern int tegra_drm_exit(struct tegra_drm *tegra); struct tegra_dc_soc_info; struct tegra_output; struct tegra_dc { struct host1x_client client; struct device *dev; spinlock_t lock; struct drm_crtc base; int pipe; struct clk *clk; struct reset_control *rst; void __iomem *regs; int irq; struct tegra_output *rgb; struct list_head list; struct drm_info_list *debugfs_files; struct drm_minor *minor; struct dentry *debugfs; /* page-flip handling */ struct drm_pending_vblank_event *event; const struct tegra_dc_soc_info *soc; }; static inline struct tegra_dc * host1x_client_to_dc(struct host1x_client *client) { return container_of(client, struct tegra_dc, client); } static inline struct tegra_dc *to_tegra_dc(struct drm_crtc *crtc) { return crtc ? container_of(crtc, struct tegra_dc, base) : NULL; } static inline void tegra_dc_writel(struct tegra_dc *dc, unsigned long value, unsigned long reg) { writel(value, dc->regs + (reg << 2)); } static inline unsigned long tegra_dc_readl(struct tegra_dc *dc, unsigned long reg) { return readl(dc->regs + (reg << 2)); } struct tegra_dc_window { struct { unsigned int x; unsigned int y; unsigned int w; unsigned int h; } src; struct { unsigned int x; unsigned int y; unsigned int w; unsigned int h; } dst; unsigned int bits_per_pixel; unsigned int format; unsigned int stride[2]; unsigned long base[3]; bool bottom_up; bool tiled; }; /* from dc.c */ extern unsigned int tegra_dc_format(uint32_t format); extern int tegra_dc_setup_window(struct tegra_dc *dc, unsigned int index, const struct tegra_dc_window *window); extern void tegra_dc_enable_vblank(struct tegra_dc *dc); extern void tegra_dc_disable_vblank(struct tegra_dc *dc); extern void tegra_dc_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file); struct tegra_output_ops { int (*enable)(struct tegra_output *output); int (*disable)(struct tegra_output *output); int (*setup_clock)(struct tegra_output *output, struct clk *clk, unsigned long pclk); int (*check_mode)(struct tegra_output *output, struct drm_display_mode *mode, enum drm_mode_status *status); enum drm_connector_status (*detect)(struct tegra_output *output); }; enum tegra_output_type { TEGRA_OUTPUT_RGB, TEGRA_OUTPUT_HDMI, TEGRA_OUTPUT_DSI, TEGRA_OUTPUT_EDP, }; struct tegra_output { struct device_node *of_node; struct device *dev; const struct tegra_output_ops *ops; enum tegra_output_type type; struct drm_panel *panel; struct i2c_adapter *ddc; const struct edid *edid; unsigned int hpd_irq; int hpd_gpio; struct drm_encoder encoder; struct drm_connector connector; }; static inline struct tegra_output *encoder_to_output(struct drm_encoder *e) { return container_of(e, struct tegra_output, encoder); } static inline struct tegra_output *connector_to_output(struct drm_connector *c) { return container_of(c, struct tegra_output, connector); } static inline int tegra_output_enable(struct tegra_output *output) { if (output && output->ops && output->ops->enable) return output->ops->enable(output); return output ? -ENOSYS : -EINVAL; } static inline int tegra_output_disable(struct tegra_output *output) { if (output && output->ops && output->ops->disable) return output->ops->disable(output); return output ? -ENOSYS : -EINVAL; } static inline int tegra_output_setup_clock(struct tegra_output *output, struct clk *clk, unsigned long pclk) { if (output && output->ops && output->ops->setup_clock) return output->ops->setup_clock(output, clk, pclk); return output ? -ENOSYS : -EINVAL; } static inline int tegra_output_check_mode(struct tegra_output *output, struct drm_display_mode *mode, enum drm_mode_status *status) { if (output && output->ops && output->ops->check_mode) return output->ops->check_mode(output, mode, status); return output ? -ENOSYS : -EINVAL; } /* from bus.c */ int drm_host1x_init(struct drm_driver *driver, struct host1x_device *device); void drm_host1x_exit(struct drm_driver *driver, struct host1x_device *device); /* from rgb.c */ extern int tegra_dc_rgb_probe(struct tegra_dc *dc); extern int tegra_dc_rgb_remove(struct tegra_dc *dc); extern int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc); extern int tegra_dc_rgb_exit(struct tegra_dc *dc); /* from output.c */ extern int tegra_output_probe(struct tegra_output *output); extern int tegra_output_remove(struct tegra_output *output); extern int tegra_output_init(struct drm_device *drm, struct tegra_output *output); extern int tegra_output_exit(struct tegra_output *output); /* from dpaux.c */ struct tegra_dpaux; struct drm_dp_link; struct drm_dp_aux; struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np); enum drm_connector_status tegra_dpaux_detect(struct tegra_dpaux *dpaux); int tegra_dpaux_attach(struct tegra_dpaux *dpaux, struct tegra_output *output); int tegra_dpaux_detach(struct tegra_dpaux *dpaux); int tegra_dpaux_enable(struct tegra_dpaux *dpaux); int tegra_dpaux_disable(struct tegra_dpaux *dpaux); int tegra_dpaux_prepare(struct tegra_dpaux *dpaux, u8 encoding); int tegra_dpaux_train(struct tegra_dpaux *dpaux, struct drm_dp_link *link, u8 pattern); /* from fb.c */ struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer, unsigned int index); bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer); bool tegra_fb_is_tiled(struct drm_framebuffer *framebuffer); extern int tegra_drm_fb_init(struct drm_device *drm); extern void tegra_drm_fb_exit(struct drm_device *drm); #ifdef CONFIG_DRM_TEGRA_FBDEV extern void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev); #endif extern struct platform_driver tegra_dc_driver; extern struct platform_driver tegra_dsi_driver; extern struct platform_driver tegra_sor_driver; extern struct platform_driver tegra_hdmi_driver; extern struct platform_driver tegra_dpaux_driver; extern struct platform_driver tegra_gr2d_driver; extern struct platform_driver tegra_gr3d_driver; #endif /* HOST1X_DRM_H */ |