diff options
Diffstat (limited to 'include/video')
-rw-r--r-- | include/video/backlight.h | 4 | ||||
-rw-r--r-- | include/video/fourcc.h | 2 | ||||
-rw-r--r-- | include/video/mipi_dbi.h | 175 | ||||
-rw-r--r-- | include/video/mipi_display.h | 150 | ||||
-rw-r--r-- | include/video/omap-fb.h | 45 | ||||
-rw-r--r-- | include/video/vpl.h | 2 |
6 files changed, 377 insertions, 1 deletions
diff --git a/include/video/backlight.h b/include/video/backlight.h index afa384cc9a..b510de9d29 100644 --- a/include/video/backlight.h +++ b/include/video/backlight.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + #ifndef __VIDEO_BACKLIGHT_H #define __VIDEO_BACKLIGHT_H @@ -10,7 +12,7 @@ struct backlight_device { int slew_time_ms; /* time to stretch brightness changes */ int (*brightness_set)(struct backlight_device *, int brightness); struct list_head list; - struct device_d dev; + struct device dev; struct device_node *node; }; diff --git a/include/video/fourcc.h b/include/video/fourcc.h index 211aabb1f3..4db1d0d001 100644 --- a/include/video/fourcc.h +++ b/include/video/fourcc.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + #ifndef __VIDEO_FOURCC_H #define __VIDEO_FOURCC_H diff --git a/include/video/mipi_dbi.h b/include/video/mipi_dbi.h new file mode 100644 index 0000000000..c1c2a620ed --- /dev/null +++ b/include/video/mipi_dbi.h @@ -0,0 +1,175 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * MIPI Display Bus Interface (DBI) LCD controller support + * + * Copyright 2016 Noralf Trønnes + */ + +#ifndef __LINUX_MIPI_DBI_H +#define __LINUX_MIPI_DBI_H + +#include <linux/types.h> +#include <spi/spi.h> +#include <driver.h> +#include <fb.h> + +struct regulator; +struct fb_videomode; +struct gpio_desc; + +/** + * struct mipi_dbi - MIPI DBI interface + */ +struct mipi_dbi { + /** + * @command: Bus specific callback executing commands. + */ + int (*command)(struct mipi_dbi *dbi, u8 *cmd, u8 *param, size_t num); + + /** + * @read_commands: Array of read commands terminated by a zero entry. + * Reading is disabled if this is NULL. + */ + const u8 *read_commands; + + /** + * @swap_bytes: Swap bytes in buffer before transfer + */ + bool swap_bytes; + + /** + * @reset: Optional reset gpio + */ + struct gpio_desc *reset; + + /* Type C specific */ + + /** + * @spi: SPI device + */ + struct spi_device *spi; + + /** + * @dc: Optional D/C gpio. + */ + struct gpio_desc *dc; + + struct list_head list; +}; + +/** + * struct mipi_dbi_dev - MIPI DBI device + */ +struct mipi_dbi_dev { + /** + * @dev: Device + */ + struct device *dev; + + /** + * @info: Framebuffer info + */ + struct fb_info info; + + /** + * @mode: Fixed display mode + */ + struct fb_videomode mode; + + /** + * @tx_buf: Buffer used for transfer (copy clip rect area) + */ + u8 *tx_buf; + + /** + * @backlight_node: backlight device node (optional) + */ + struct device_node *backlight_node; + + /** + * @backlight: backlight device (optional) + */ + struct backlight_device *backlight; + + /** + * @regulator: power regulator (Vdd) (optional) + */ + struct regulator *regulator; + + /** + * @io_regulator: I/O power regulator (Vddi) (optional) + */ + struct regulator *io_regulator; + + /** + * @dbi: MIPI DBI interface + */ + struct mipi_dbi dbi; + + /** + * @driver_private: Driver private data. + */ + void *driver_private; + + /** + * @damage: Damage rectangle. + */ + struct fb_rect damage; +}; + +static inline const char *mipi_dbi_name(struct mipi_dbi *dbi) +{ + return dev_name(&dbi->spi->dev); +} + +int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi, + struct gpio_desc *dc); +int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev, + struct fb_ops *ops, struct fb_videomode *mode); +void mipi_dbi_fb_damage(struct fb_info *info, const struct fb_rect *rect); +void mipi_dbi_fb_flush(struct fb_info *info); +void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev, + struct fb_info *info); +void mipi_dbi_fb_disable(struct fb_info *info); +void mipi_dbi_hw_reset(struct mipi_dbi *dbi); +bool mipi_dbi_display_is_on(struct mipi_dbi *dbi); +int mipi_dbi_poweron_conditional_reset(struct mipi_dbi_dev *dbidev); + +u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len); +int mipi_dbi_spi_transfer(struct spi_device *spi, u32 speed_hz, + u8 bpw, const void *buf, size_t len); + +int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val); +int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len); +int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data, + size_t len); + +/** + * mipi_dbi_command - MIPI DCS command with optional parameter(s) + * @dbi: MIPI DBI structure + * @cmd: Command + * @seq: Optional parameter(s) + * + * Send MIPI DCS command to the controller. Use mipi_dbi_command_read() for + * get/read. + * + * Returns: + * Zero on success, negative error code on failure. + */ +#define mipi_dbi_command(dbi, cmd, seq...) \ +({ \ + const u8 d[] = { seq }; \ + struct device *dev = &(dbi)->spi->dev; \ + int ret; \ + ret = mipi_dbi_command_stackbuf(dbi, cmd, d, ARRAY_SIZE(d)); \ + if (ret) \ + dev_err(dev, "error %pe when sending command %#02x\n", ERR_PTR(ret), cmd); \ + ret; \ +}) + +bool mipi_dbi_command_is_read(struct mipi_dbi *dbi, u8 cmd); +int mipi_dbi_command_read_len(int cmd); + +extern struct list_head mipi_dbi_list; + +#endif /* __LINUX_MIPI_DBI_H */ diff --git a/include/video/mipi_display.h b/include/video/mipi_display.h new file mode 100644 index 0000000000..b6d8b87423 --- /dev/null +++ b/include/video/mipi_display.h @@ -0,0 +1,150 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Defines for Mobile Industry Processor Interface (MIPI(R)) + * Display Working Group standards: DSI, DCS, DBI, DPI + * + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * Copyright (C) 2006 Nokia Corporation + * Author: Imre Deak <imre.deak@nokia.com> + */ +#ifndef MIPI_DISPLAY_H +#define MIPI_DISPLAY_H + +/* MIPI DSI Processor-to-Peripheral transaction types */ +enum { + MIPI_DSI_V_SYNC_START = 0x01, + MIPI_DSI_V_SYNC_END = 0x11, + MIPI_DSI_H_SYNC_START = 0x21, + MIPI_DSI_H_SYNC_END = 0x31, + + MIPI_DSI_COMPRESSION_MODE = 0x07, + MIPI_DSI_END_OF_TRANSMISSION = 0x08, + + MIPI_DSI_COLOR_MODE_OFF = 0x02, + MIPI_DSI_COLOR_MODE_ON = 0x12, + MIPI_DSI_SHUTDOWN_PERIPHERAL = 0x22, + MIPI_DSI_TURN_ON_PERIPHERAL = 0x32, + + MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM = 0x03, + MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM = 0x13, + MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM = 0x23, + + MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM = 0x04, + MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM = 0x14, + MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM = 0x24, + + MIPI_DSI_DCS_SHORT_WRITE = 0x05, + MIPI_DSI_DCS_SHORT_WRITE_PARAM = 0x15, + + MIPI_DSI_DCS_READ = 0x06, + MIPI_DSI_EXECUTE_QUEUE = 0x16, + + MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE = 0x37, + + MIPI_DSI_NULL_PACKET = 0x09, + MIPI_DSI_BLANKING_PACKET = 0x19, + MIPI_DSI_GENERIC_LONG_WRITE = 0x29, + MIPI_DSI_DCS_LONG_WRITE = 0x39, + + MIPI_DSI_PICTURE_PARAMETER_SET = 0x0a, + MIPI_DSI_COMPRESSED_PIXEL_STREAM = 0x0b, + + MIPI_DSI_LOOSELY_PACKED_PIXEL_STREAM_YCBCR20 = 0x0c, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR24 = 0x1c, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR16 = 0x2c, + + MIPI_DSI_PACKED_PIXEL_STREAM_30 = 0x0d, + MIPI_DSI_PACKED_PIXEL_STREAM_36 = 0x1d, + MIPI_DSI_PACKED_PIXEL_STREAM_YCBCR12 = 0x3d, + + MIPI_DSI_PACKED_PIXEL_STREAM_16 = 0x0e, + MIPI_DSI_PACKED_PIXEL_STREAM_18 = 0x1e, + MIPI_DSI_PIXEL_STREAM_3BYTE_18 = 0x2e, + MIPI_DSI_PACKED_PIXEL_STREAM_24 = 0x3e, +}; + +/* MIPI DSI Peripheral-to-Processor transaction types */ +enum { + MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT = 0x02, + MIPI_DSI_RX_END_OF_TRANSMISSION = 0x08, + MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE = 0x11, + MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE = 0x12, + MIPI_DSI_RX_GENERIC_LONG_READ_RESPONSE = 0x1a, + MIPI_DSI_RX_DCS_LONG_READ_RESPONSE = 0x1c, + MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE = 0x21, + MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE = 0x22, +}; + +/* MIPI DCS commands */ +enum { + MIPI_DCS_NOP = 0x00, + MIPI_DCS_SOFT_RESET = 0x01, + MIPI_DCS_GET_COMPRESSION_MODE = 0x03, + MIPI_DCS_GET_DISPLAY_ID = 0x04, + MIPI_DCS_GET_ERROR_COUNT_ON_DSI = 0x05, + MIPI_DCS_GET_RED_CHANNEL = 0x06, + MIPI_DCS_GET_GREEN_CHANNEL = 0x07, + MIPI_DCS_GET_BLUE_CHANNEL = 0x08, + MIPI_DCS_GET_DISPLAY_STATUS = 0x09, + MIPI_DCS_GET_POWER_MODE = 0x0A, + MIPI_DCS_GET_ADDRESS_MODE = 0x0B, + MIPI_DCS_GET_PIXEL_FORMAT = 0x0C, + MIPI_DCS_GET_DISPLAY_MODE = 0x0D, + MIPI_DCS_GET_SIGNAL_MODE = 0x0E, + MIPI_DCS_GET_DIAGNOSTIC_RESULT = 0x0F, + MIPI_DCS_ENTER_SLEEP_MODE = 0x10, + MIPI_DCS_EXIT_SLEEP_MODE = 0x11, + MIPI_DCS_ENTER_PARTIAL_MODE = 0x12, + MIPI_DCS_ENTER_NORMAL_MODE = 0x13, + MIPI_DCS_GET_IMAGE_CHECKSUM_RGB = 0x14, + MIPI_DCS_GET_IMAGE_CHECKSUM_CT = 0x15, + MIPI_DCS_EXIT_INVERT_MODE = 0x20, + MIPI_DCS_ENTER_INVERT_MODE = 0x21, + MIPI_DCS_SET_GAMMA_CURVE = 0x26, + MIPI_DCS_SET_DISPLAY_OFF = 0x28, + MIPI_DCS_SET_DISPLAY_ON = 0x29, + MIPI_DCS_SET_COLUMN_ADDRESS = 0x2A, + MIPI_DCS_SET_PAGE_ADDRESS = 0x2B, + MIPI_DCS_WRITE_MEMORY_START = 0x2C, + MIPI_DCS_WRITE_LUT = 0x2D, + MIPI_DCS_READ_MEMORY_START = 0x2E, + MIPI_DCS_SET_PARTIAL_ROWS = 0x30, /* MIPI DCS 1.02 - MIPI_DCS_SET_PARTIAL_AREA before that */ + MIPI_DCS_SET_PARTIAL_COLUMNS = 0x31, + MIPI_DCS_SET_SCROLL_AREA = 0x33, + MIPI_DCS_SET_TEAR_OFF = 0x34, + MIPI_DCS_SET_TEAR_ON = 0x35, + MIPI_DCS_SET_ADDRESS_MODE = 0x36, + MIPI_DCS_SET_SCROLL_START = 0x37, + MIPI_DCS_EXIT_IDLE_MODE = 0x38, + MIPI_DCS_ENTER_IDLE_MODE = 0x39, + MIPI_DCS_SET_PIXEL_FORMAT = 0x3A, + MIPI_DCS_WRITE_MEMORY_CONTINUE = 0x3C, + MIPI_DCS_SET_3D_CONTROL = 0x3D, + MIPI_DCS_READ_MEMORY_CONTINUE = 0x3E, + MIPI_DCS_GET_3D_CONTROL = 0x3F, + MIPI_DCS_SET_VSYNC_TIMING = 0x40, + MIPI_DCS_SET_TEAR_SCANLINE = 0x44, + MIPI_DCS_GET_SCANLINE = 0x45, + MIPI_DCS_SET_DISPLAY_BRIGHTNESS = 0x51, /* MIPI DCS 1.3 */ + MIPI_DCS_GET_DISPLAY_BRIGHTNESS = 0x52, /* MIPI DCS 1.3 */ + MIPI_DCS_WRITE_CONTROL_DISPLAY = 0x53, /* MIPI DCS 1.3 */ + MIPI_DCS_GET_CONTROL_DISPLAY = 0x54, /* MIPI DCS 1.3 */ + MIPI_DCS_WRITE_POWER_SAVE = 0x55, /* MIPI DCS 1.3 */ + MIPI_DCS_GET_POWER_SAVE = 0x56, /* MIPI DCS 1.3 */ + MIPI_DCS_SET_CABC_MIN_BRIGHTNESS = 0x5E, /* MIPI DCS 1.3 */ + MIPI_DCS_GET_CABC_MIN_BRIGHTNESS = 0x5F, /* MIPI DCS 1.3 */ + MIPI_DCS_READ_DDB_START = 0xA1, + MIPI_DCS_READ_PPS_START = 0xA2, + MIPI_DCS_READ_DDB_CONTINUE = 0xA8, + MIPI_DCS_READ_PPS_CONTINUE = 0xA9, +}; + +/* MIPI DCS pixel formats */ +#define MIPI_DCS_PIXEL_FMT_24BIT 7 +#define MIPI_DCS_PIXEL_FMT_18BIT 6 +#define MIPI_DCS_PIXEL_FMT_16BIT 5 +#define MIPI_DCS_PIXEL_FMT_12BIT 3 +#define MIPI_DCS_PIXEL_FMT_8BIT 2 +#define MIPI_DCS_PIXEL_FMT_3BIT 1 + +#endif diff --git a/include/video/omap-fb.h b/include/video/omap-fb.h new file mode 100644 index 0000000000..519460f0d5 --- /dev/null +++ b/include/video/omap-fb.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef OMAP_FB_H +#define OMAP_FB_H + +#include <fb.h> + +#define OMAP_DSS_LCD_TFT (1u << 0) +#define OMAP_DSS_LCD_IVS (1u << 1) +#define OMAP_DSS_LCD_IHS (1u << 2) +#define OMAP_DSS_LCD_IPC (1u << 3) +#define OMAP_DSS_LCD_IEO (1u << 4) +#define OMAP_DSS_LCD_RF (1u << 5) +#define OMAP_DSS_LCD_ONOFF (1u << 6) + +#define OMAP_DSS_LCD_DATALINES(_l) ((_l) << 10) +#define OMAP_DSS_LCD_DATALINES_msk OMAP_DSS_LCD_DATALINES(3u) +#define OMAP_DSS_LCD_DATALINES_12 OMAP_DSS_LCD_DATALINES(0u) +#define OMAP_DSS_LCD_DATALINES_16 OMAP_DSS_LCD_DATALINES(1u) +#define OMAP_DSS_LCD_DATALINES_18 OMAP_DSS_LCD_DATALINES(2u) +#define OMAP_DSS_LCD_DATALINES_24 OMAP_DSS_LCD_DATALINES(3u) + +struct omapfb_display { + struct fb_videomode mode; + + unsigned long config; + + unsigned int power_on_delay; + unsigned int power_off_delay; +}; + +struct omapfb_platform_data { + struct omapfb_display const *displays; + size_t num_displays; + + unsigned int dss_clk_hz; + + unsigned int bpp; + + struct resource const *screen; + + void (*enable)(int p); +}; + +#endif /* OMAP_FB_H */ diff --git a/include/video/vpl.h b/include/video/vpl.h index 6ae7b0f3e0..15711b4701 100644 --- a/include/video/vpl.h +++ b/include/video/vpl.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + #ifndef __VIDEO_VPL_H #define __VIDEO_VPL_H |