OMAP: DSS2: Display Subsystem Driver core
The core files of DSS2. DSS2 commits are split a bit artificially to
make the individual commits smaller, and DSS2 doesn't compile properly
without the rest of the core commits. This shouldn't be a problem, as no
configuration uses DSS2 yet.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
diff --git a/arch/arm/plat-omap/include/plat/display.h b/arch/arm/plat-omap/include/plat/display.h
new file mode 100644
index 0000000..c66e464
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/display.h
@@ -0,0 +1,575 @@
+/*
+ * linux/include/asm-arm/arch-omap/display.h
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+ *
+ * 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 __ASM_ARCH_OMAP_DISPLAY_H
+#define __ASM_ARCH_OMAP_DISPLAY_H
+
+#include <linux/list.h>
+#include <linux/kobject.h>
+#include <linux/device.h>
+#include <asm/atomic.h>
+
+#define DISPC_IRQ_FRAMEDONE (1 << 0)
+#define DISPC_IRQ_VSYNC (1 << 1)
+#define DISPC_IRQ_EVSYNC_EVEN (1 << 2)
+#define DISPC_IRQ_EVSYNC_ODD (1 << 3)
+#define DISPC_IRQ_ACBIAS_COUNT_STAT (1 << 4)
+#define DISPC_IRQ_PROG_LINE_NUM (1 << 5)
+#define DISPC_IRQ_GFX_FIFO_UNDERFLOW (1 << 6)
+#define DISPC_IRQ_GFX_END_WIN (1 << 7)
+#define DISPC_IRQ_PAL_GAMMA_MASK (1 << 8)
+#define DISPC_IRQ_OCP_ERR (1 << 9)
+#define DISPC_IRQ_VID1_FIFO_UNDERFLOW (1 << 10)
+#define DISPC_IRQ_VID1_END_WIN (1 << 11)
+#define DISPC_IRQ_VID2_FIFO_UNDERFLOW (1 << 12)
+#define DISPC_IRQ_VID2_END_WIN (1 << 13)
+#define DISPC_IRQ_SYNC_LOST (1 << 14)
+#define DISPC_IRQ_SYNC_LOST_DIGIT (1 << 15)
+#define DISPC_IRQ_WAKEUP (1 << 16)
+
+struct omap_dss_device;
+struct omap_overlay_manager;
+
+enum omap_display_type {
+ OMAP_DISPLAY_TYPE_NONE = 0,
+ OMAP_DISPLAY_TYPE_DPI = 1 << 0,
+ OMAP_DISPLAY_TYPE_DBI = 1 << 1,
+ OMAP_DISPLAY_TYPE_SDI = 1 << 2,
+ OMAP_DISPLAY_TYPE_DSI = 1 << 3,
+ OMAP_DISPLAY_TYPE_VENC = 1 << 4,
+};
+
+enum omap_plane {
+ OMAP_DSS_GFX = 0,
+ OMAP_DSS_VIDEO1 = 1,
+ OMAP_DSS_VIDEO2 = 2
+};
+
+enum omap_channel {
+ OMAP_DSS_CHANNEL_LCD = 0,
+ OMAP_DSS_CHANNEL_DIGIT = 1,
+};
+
+enum omap_color_mode {
+ OMAP_DSS_COLOR_CLUT1 = 1 << 0, /* BITMAP 1 */
+ OMAP_DSS_COLOR_CLUT2 = 1 << 1, /* BITMAP 2 */
+ OMAP_DSS_COLOR_CLUT4 = 1 << 2, /* BITMAP 4 */
+ OMAP_DSS_COLOR_CLUT8 = 1 << 3, /* BITMAP 8 */
+ OMAP_DSS_COLOR_RGB12U = 1 << 4, /* RGB12, 16-bit container */
+ OMAP_DSS_COLOR_ARGB16 = 1 << 5, /* ARGB16 */
+ OMAP_DSS_COLOR_RGB16 = 1 << 6, /* RGB16 */
+ OMAP_DSS_COLOR_RGB24U = 1 << 7, /* RGB24, 32-bit container */
+ OMAP_DSS_COLOR_RGB24P = 1 << 8, /* RGB24, 24-bit container */
+ OMAP_DSS_COLOR_YUV2 = 1 << 9, /* YUV2 4:2:2 co-sited */
+ OMAP_DSS_COLOR_UYVY = 1 << 10, /* UYVY 4:2:2 co-sited */
+ OMAP_DSS_COLOR_ARGB32 = 1 << 11, /* ARGB32 */
+ OMAP_DSS_COLOR_RGBA32 = 1 << 12, /* RGBA32 */
+ OMAP_DSS_COLOR_RGBX32 = 1 << 13, /* RGBx32 */
+
+ OMAP_DSS_COLOR_GFX_OMAP2 =
+ OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
+ OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
+ OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
+ OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
+
+ OMAP_DSS_COLOR_VID_OMAP2 =
+ OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+ OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
+ OMAP_DSS_COLOR_UYVY,
+
+ OMAP_DSS_COLOR_GFX_OMAP3 =
+ OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
+ OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
+ OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
+ OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+ OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
+ OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
+
+ OMAP_DSS_COLOR_VID1_OMAP3 =
+ OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
+ OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
+ OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
+
+ OMAP_DSS_COLOR_VID2_OMAP3 =
+ OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
+ OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
+ OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
+ OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
+ OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
+};
+
+enum omap_lcd_display_type {
+ OMAP_DSS_LCD_DISPLAY_STN,
+ OMAP_DSS_LCD_DISPLAY_TFT,
+};
+
+enum omap_dss_load_mode {
+ OMAP_DSS_LOAD_CLUT_AND_FRAME = 0,
+ OMAP_DSS_LOAD_CLUT_ONLY = 1,
+ OMAP_DSS_LOAD_FRAME_ONLY = 2,
+ OMAP_DSS_LOAD_CLUT_ONCE_FRAME = 3,
+};
+
+enum omap_dss_trans_key_type {
+ OMAP_DSS_COLOR_KEY_GFX_DST = 0,
+ OMAP_DSS_COLOR_KEY_VID_SRC = 1,
+};
+
+enum omap_rfbi_te_mode {
+ OMAP_DSS_RFBI_TE_MODE_1 = 1,
+ OMAP_DSS_RFBI_TE_MODE_2 = 2,
+};
+
+enum omap_panel_config {
+ OMAP_DSS_LCD_IVS = 1<<0,
+ OMAP_DSS_LCD_IHS = 1<<1,
+ OMAP_DSS_LCD_IPC = 1<<2,
+ OMAP_DSS_LCD_IEO = 1<<3,
+ OMAP_DSS_LCD_RF = 1<<4,
+ OMAP_DSS_LCD_ONOFF = 1<<5,
+
+ OMAP_DSS_LCD_TFT = 1<<20,
+};
+
+enum omap_dss_venc_type {
+ OMAP_DSS_VENC_TYPE_COMPOSITE,
+ OMAP_DSS_VENC_TYPE_SVIDEO,
+};
+
+enum omap_display_caps {
+ OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE = 1 << 0,
+ OMAP_DSS_DISPLAY_CAP_TEAR_ELIM = 1 << 1,
+};
+
+enum omap_dss_update_mode {
+ OMAP_DSS_UPDATE_DISABLED = 0,
+ OMAP_DSS_UPDATE_AUTO,
+ OMAP_DSS_UPDATE_MANUAL,
+};
+
+enum omap_dss_display_state {
+ OMAP_DSS_DISPLAY_DISABLED = 0,
+ OMAP_DSS_DISPLAY_ACTIVE,
+ OMAP_DSS_DISPLAY_SUSPENDED,
+};
+
+/* XXX perhaps this should be removed */
+enum omap_dss_overlay_managers {
+ OMAP_DSS_OVL_MGR_LCD,
+ OMAP_DSS_OVL_MGR_TV,
+};
+
+enum omap_dss_rotation_type {
+ OMAP_DSS_ROT_DMA = 0,
+ OMAP_DSS_ROT_VRFB = 1,
+};
+
+/* clockwise rotation angle */
+enum omap_dss_rotation_angle {
+ OMAP_DSS_ROT_0 = 0,
+ OMAP_DSS_ROT_90 = 1,
+ OMAP_DSS_ROT_180 = 2,
+ OMAP_DSS_ROT_270 = 3,
+};
+
+enum omap_overlay_caps {
+ OMAP_DSS_OVL_CAP_SCALE = 1 << 0,
+ OMAP_DSS_OVL_CAP_DISPC = 1 << 1,
+};
+
+enum omap_overlay_manager_caps {
+ OMAP_DSS_OVL_MGR_CAP_DISPC = 1 << 0,
+};
+
+/* RFBI */
+
+struct rfbi_timings {
+ int cs_on_time;
+ int cs_off_time;
+ int we_on_time;
+ int we_off_time;
+ int re_on_time;
+ int re_off_time;
+ int we_cycle_time;
+ int re_cycle_time;
+ int cs_pulse_width;
+ int access_time;
+
+ int clk_div;
+
+ u32 tim[5]; /* set by rfbi_convert_timings() */
+
+ int converted;
+};
+
+void omap_rfbi_write_command(const void *buf, u32 len);
+void omap_rfbi_read_data(void *buf, u32 len);
+void omap_rfbi_write_data(const void *buf, u32 len);
+void omap_rfbi_write_pixels(const void __iomem *buf, int scr_width,
+ u16 x, u16 y,
+ u16 w, u16 h);
+int omap_rfbi_enable_te(bool enable, unsigned line);
+int omap_rfbi_setup_te(enum omap_rfbi_te_mode mode,
+ unsigned hs_pulse_time, unsigned vs_pulse_time,
+ int hs_pol_inv, int vs_pol_inv, int extif_div);
+
+/* DSI */
+void dsi_bus_lock(void);
+void dsi_bus_unlock(void);
+int dsi_vc_dcs_write(int channel, u8 *data, int len);
+int dsi_vc_dcs_write_nosync(int channel, u8 *data, int len);
+int dsi_vc_dcs_read(int channel, u8 dcs_cmd, u8 *buf, int buflen);
+int dsi_vc_set_max_rx_packet_size(int channel, u16 len);
+int dsi_vc_send_null(int channel);
+int dsi_vc_send_bta_sync(int channel);
+
+/* Board specific data */
+struct omap_dss_board_info {
+ int (*get_last_off_on_transaction_id)(struct device *dev);
+ int num_devices;
+ struct omap_dss_device **devices;
+ struct omap_dss_device *default_device;
+};
+
+struct omap_video_timings {
+ /* Unit: pixels */
+ u16 x_res;
+ /* Unit: pixels */
+ u16 y_res;
+ /* Unit: KHz */
+ u32 pixel_clock;
+ /* Unit: pixel clocks */
+ u16 hsw; /* Horizontal synchronization pulse width */
+ /* Unit: pixel clocks */
+ u16 hfp; /* Horizontal front porch */
+ /* Unit: pixel clocks */
+ u16 hbp; /* Horizontal back porch */
+ /* Unit: line clocks */
+ u16 vsw; /* Vertical synchronization pulse width */
+ /* Unit: line clocks */
+ u16 vfp; /* Vertical front porch */
+ /* Unit: line clocks */
+ u16 vbp; /* Vertical back porch */
+};
+
+#ifdef CONFIG_OMAP2_DSS_VENC
+/* Hardcoded timings for tv modes. Venc only uses these to
+ * identify the mode, and does not actually use the configs
+ * itself. However, the configs should be something that
+ * a normal monitor can also show */
+const extern struct omap_video_timings omap_dss_pal_timings;
+const extern struct omap_video_timings omap_dss_ntsc_timings;
+#endif
+
+struct omap_overlay_info {
+ bool enabled;
+
+ u32 paddr;
+ void __iomem *vaddr;
+ u16 screen_width;
+ u16 width;
+ u16 height;
+ enum omap_color_mode color_mode;
+ u8 rotation;
+ enum omap_dss_rotation_type rotation_type;
+ bool mirror;
+
+ u16 pos_x;
+ u16 pos_y;
+ u16 out_width; /* if 0, out_width == width */
+ u16 out_height; /* if 0, out_height == height */
+ u8 global_alpha;
+};
+
+struct omap_overlay {
+ struct kobject kobj;
+ struct list_head list;
+
+ /* static fields */
+ const char *name;
+ int id;
+ enum omap_color_mode supported_modes;
+ enum omap_overlay_caps caps;
+
+ /* dynamic fields */
+ struct omap_overlay_manager *manager;
+ struct omap_overlay_info info;
+
+ /* if true, info has been changed, but not applied() yet */
+ bool info_dirty;
+
+ int (*set_manager)(struct omap_overlay *ovl,
+ struct omap_overlay_manager *mgr);
+ int (*unset_manager)(struct omap_overlay *ovl);
+
+ int (*set_overlay_info)(struct omap_overlay *ovl,
+ struct omap_overlay_info *info);
+ void (*get_overlay_info)(struct omap_overlay *ovl,
+ struct omap_overlay_info *info);
+
+ int (*wait_for_go)(struct omap_overlay *ovl);
+};
+
+struct omap_overlay_manager_info {
+ u32 default_color;
+
+ enum omap_dss_trans_key_type trans_key_type;
+ u32 trans_key;
+ bool trans_enabled;
+
+ bool alpha_enabled;
+};
+
+struct omap_overlay_manager {
+ struct kobject kobj;
+ struct list_head list;
+
+ /* static fields */
+ const char *name;
+ int id;
+ enum omap_overlay_manager_caps caps;
+ int num_overlays;
+ struct omap_overlay **overlays;
+ enum omap_display_type supported_displays;
+
+ /* dynamic fields */
+ struct omap_dss_device *device;
+ struct omap_overlay_manager_info info;
+
+ bool device_changed;
+ /* if true, info has been changed but not applied() yet */
+ bool info_dirty;
+
+ int (*set_device)(struct omap_overlay_manager *mgr,
+ struct omap_dss_device *dssdev);
+ int (*unset_device)(struct omap_overlay_manager *mgr);
+
+ int (*set_manager_info)(struct omap_overlay_manager *mgr,
+ struct omap_overlay_manager_info *info);
+ void (*get_manager_info)(struct omap_overlay_manager *mgr,
+ struct omap_overlay_manager_info *info);
+
+ int (*apply)(struct omap_overlay_manager *mgr);
+ int (*wait_for_go)(struct omap_overlay_manager *mgr);
+};
+
+struct omap_dss_device {
+ struct device dev;
+
+ enum omap_display_type type;
+
+ union {
+ struct {
+ u8 data_lines;
+ } dpi;
+
+ struct {
+ u8 channel;
+ u8 data_lines;
+ } rfbi;
+
+ struct {
+ u8 datapairs;
+ } sdi;
+
+ struct {
+ u8 clk_lane;
+ u8 clk_pol;
+ u8 data1_lane;
+ u8 data1_pol;
+ u8 data2_lane;
+ u8 data2_pol;
+
+ struct {
+ u16 regn;
+ u16 regm;
+ u16 regm3;
+ u16 regm4;
+
+ u16 lp_clk_div;
+
+ u16 lck_div;
+ u16 pck_div;
+ } div;
+
+ bool ext_te;
+ u8 ext_te_gpio;
+ } dsi;
+
+ struct {
+ enum omap_dss_venc_type type;
+ bool invert_polarity;
+ } venc;
+ } phy;
+
+ struct {
+ struct omap_video_timings timings;
+
+ int acbi; /* ac-bias pin transitions per interrupt */
+ /* Unit: line clocks */
+ int acb; /* ac-bias pin frequency */
+
+ enum omap_panel_config config;
+
+ u8 recommended_bpp;
+
+ struct omap_dss_device *ctrl;
+ } panel;
+
+ struct {
+ u8 pixel_size;
+ struct rfbi_timings rfbi_timings;
+ struct omap_dss_device *panel;
+ } ctrl;
+
+ int reset_gpio;
+
+ int max_backlight_level;
+
+ const char *name;
+
+ /* used to match device to driver */
+ const char *driver_name;
+
+ void *data;
+
+ struct omap_dss_driver *driver;
+
+ /* helper variable for driver suspend/resume */
+ bool activate_after_resume;
+
+ enum omap_display_caps caps;
+
+ struct omap_overlay_manager *manager;
+
+ enum omap_dss_display_state state;
+
+ int (*enable)(struct omap_dss_device *dssdev);
+ void (*disable)(struct omap_dss_device *dssdev);
+
+ int (*suspend)(struct omap_dss_device *dssdev);
+ int (*resume)(struct omap_dss_device *dssdev);
+
+ void (*get_resolution)(struct omap_dss_device *dssdev,
+ u16 *xres, u16 *yres);
+ int (*get_recommended_bpp)(struct omap_dss_device *dssdev);
+
+ int (*check_timings)(struct omap_dss_device *dssdev,
+ struct omap_video_timings *timings);
+ void (*set_timings)(struct omap_dss_device *dssdev,
+ struct omap_video_timings *timings);
+ void (*get_timings)(struct omap_dss_device *dssdev,
+ struct omap_video_timings *timings);
+ int (*update)(struct omap_dss_device *dssdev,
+ u16 x, u16 y, u16 w, u16 h);
+ int (*sync)(struct omap_dss_device *dssdev);
+ int (*wait_vsync)(struct omap_dss_device *dssdev);
+
+ int (*set_update_mode)(struct omap_dss_device *dssdev,
+ enum omap_dss_update_mode);
+ enum omap_dss_update_mode (*get_update_mode)
+ (struct omap_dss_device *dssdev);
+
+ int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
+ int (*get_te)(struct omap_dss_device *dssdev);
+
+ u8 (*get_rotate)(struct omap_dss_device *dssdev);
+ int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
+
+ bool (*get_mirror)(struct omap_dss_device *dssdev);
+ int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
+
+ int (*run_test)(struct omap_dss_device *dssdev, int test);
+ int (*memory_read)(struct omap_dss_device *dssdev,
+ void *buf, size_t size,
+ u16 x, u16 y, u16 w, u16 h);
+
+ int (*set_wss)(struct omap_dss_device *dssdev, u32 wss);
+ u32 (*get_wss)(struct omap_dss_device *dssdev);
+
+ /* platform specific */
+ int (*platform_enable)(struct omap_dss_device *dssdev);
+ void (*platform_disable)(struct omap_dss_device *dssdev);
+ int (*set_backlight)(struct omap_dss_device *dssdev, int level);
+ int (*get_backlight)(struct omap_dss_device *dssdev);
+};
+
+struct omap_dss_driver {
+ struct device_driver driver;
+
+ int (*probe)(struct omap_dss_device *);
+ void (*remove)(struct omap_dss_device *);
+
+ int (*enable)(struct omap_dss_device *display);
+ void (*disable)(struct omap_dss_device *display);
+ int (*suspend)(struct omap_dss_device *display);
+ int (*resume)(struct omap_dss_device *display);
+ int (*run_test)(struct omap_dss_device *display, int test);
+
+ void (*setup_update)(struct omap_dss_device *dssdev,
+ u16 x, u16 y, u16 w, u16 h);
+
+ int (*enable_te)(struct omap_dss_device *dssdev, bool enable);
+ int (*wait_for_te)(struct omap_dss_device *dssdev);
+
+ u8 (*get_rotate)(struct omap_dss_device *dssdev);
+ int (*set_rotate)(struct omap_dss_device *dssdev, u8 rotate);
+
+ bool (*get_mirror)(struct omap_dss_device *dssdev);
+ int (*set_mirror)(struct omap_dss_device *dssdev, bool enable);
+
+ int (*memory_read)(struct omap_dss_device *dssdev,
+ void *buf, size_t size,
+ u16 x, u16 y, u16 w, u16 h);
+};
+
+int omap_dss_register_driver(struct omap_dss_driver *);
+void omap_dss_unregister_driver(struct omap_dss_driver *);
+
+int omap_dss_register_device(struct omap_dss_device *);
+void omap_dss_unregister_device(struct omap_dss_device *);
+
+void omap_dss_get_device(struct omap_dss_device *dssdev);
+void omap_dss_put_device(struct omap_dss_device *dssdev);
+#define for_each_dss_dev(d) while ((d = omap_dss_get_next_device(d)) != NULL)
+struct omap_dss_device *omap_dss_get_next_device(struct omap_dss_device *from);
+struct omap_dss_device *omap_dss_find_device(void *data,
+ int (*match)(struct omap_dss_device *dssdev, void *data));
+
+int omap_dss_start_device(struct omap_dss_device *dssdev);
+void omap_dss_stop_device(struct omap_dss_device *dssdev);
+
+int omap_dss_get_num_overlay_managers(void);
+struct omap_overlay_manager *omap_dss_get_overlay_manager(int num);
+
+int omap_dss_get_num_overlays(void);
+struct omap_overlay *omap_dss_get_overlay(int num);
+
+typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
+int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
+int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask);
+
+int omap_dispc_wait_for_irq_timeout(u32 irqmask, unsigned long timeout);
+int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
+ unsigned long timeout);
+
+#define to_dss_driver(x) container_of((x), struct omap_dss_driver, driver)
+#define to_dss_device(x) container_of((x), struct omap_dss_device, dev)
+
+#endif