drm/tinydrm: Move mipi-dbi

This moves mipi-dbi to be a core helper with the name drm_mipi_dbi.

Fixup include's in drivers.
Move the docs entry and delete tinydrm.rst.
Delete the last tinydrm todo entry.

v2: Make DRM_MIPI_DBI tristate to enable it being built as a module.

Cc: Eric Anholt <eric@anholt.net>
Cc: David Lechner <david@lechnology.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: David Lechner <david@lechnology.com>
Acked-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190722104312.16184-9-noralf@tronnes.org

1 files changed, 0 insertions, 188 deletions

diff --git a/include/drm/tinydrm/mipi-dbi.h b/include/drm/tinydrm/mipi-dbi.h
deleted file mode 100644
index 67c66f5ee591..000000000000
--- a/include/drm/tinydrm/mipi-dbi.h
+++ /dev/null
@@ -1,188 +0,0 @@
-/* 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/mutex.h>
-#include <drm/drm_device.h>
-#include <drm/drm_simple_kms_helper.h>
-
-struct drm_rect;
-struct spi_device;
-struct gpio_desc;
-struct regulator;
-
-/**
- * struct mipi_dbi - MIPI DBI interface
- */
-struct mipi_dbi {
-	/**
-	 * @cmdlock: Command lock
-	 */
-	struct mutex cmdlock;
-
-	/**
-	 * @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;
-
-	/**
-	 * @tx_buf9: Buffer used for Option 1 9-bit conversion
-	 */
-	void *tx_buf9;
-
-	/**
-	 * @tx_buf9_len: Size of tx_buf9.
-	 */
-	size_t tx_buf9_len;
-};
-
-/**
- * struct mipi_dbi_dev - MIPI DBI device
- */
-struct mipi_dbi_dev {
-	/**
-	 * @drm: DRM device
-	 */
-	struct drm_device drm;
-
-	/**
-	 * @pipe: Display pipe structure
-	 */
-	struct drm_simple_display_pipe pipe;
-
-	/**
-	 * @connector: Connector
-	 */
-	struct drm_connector connector;
-
-	/**
-	 * @mode: Fixed display mode
-	 */
-	struct drm_display_mode mode;
-
-	/**
-	 * @enabled: Pipeline is enabled
-	 */
-	bool enabled;
-
-	/**
-	 * @tx_buf: Buffer used for transfer (copy clip rect area)
-	 */
-	u16 *tx_buf;
-
-	/**
-	 * @rotation: initial rotation in degrees Counter Clock Wise
-	 */
-	unsigned int rotation;
-
-	/**
-	 * @backlight: backlight device (optional)
-	 */
-	struct backlight_device *backlight;
-
-	/**
-	 * @regulator: power regulator (optional)
-	 */
-	struct regulator *regulator;
-
-	/**
-	 * @dbi: MIPI DBI interface
-	 */
-	struct mipi_dbi dbi;
-};
-
-static inline struct mipi_dbi_dev *drm_to_mipi_dbi_dev(struct drm_device *drm)
-{
-	return container_of(drm, struct mipi_dbi_dev, drm);
-}
-
-int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi,
-		      struct gpio_desc *dc);
-int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
-				   const struct drm_simple_display_pipe_funcs *funcs,
-				   const uint32_t *formats, unsigned int format_count,
-				   const struct drm_display_mode *mode,
-				   unsigned int rotation, size_t tx_buf_size);
-int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
-		      const struct drm_simple_display_pipe_funcs *funcs,
-		      const struct drm_display_mode *mode, unsigned int rotation);
-void mipi_dbi_release(struct drm_device *drm);
-void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe,
-			  struct drm_plane_state *old_state);
-void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev,
-			   struct drm_crtc_state *crtc_state,
-			   struct drm_plane_state *plan_state);
-void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe);
-void mipi_dbi_hw_reset(struct mipi_dbi *dbi);
-bool mipi_dbi_display_is_on(struct mipi_dbi *dbi);
-int mipi_dbi_poweron_reset(struct mipi_dbi_dev *dbidev);
-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, u8 *data, size_t len);
-int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
-		      struct drm_rect *clip, bool swap);
-/**
- * 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...) \
-({ \
-	u8 d[] = { seq }; \
-	mipi_dbi_command_stackbuf(dbi, cmd, d, ARRAY_SIZE(d)); \
-})
-
-#ifdef CONFIG_DEBUG_FS
-int mipi_dbi_debugfs_init(struct drm_minor *minor);
-#else
-#define mipi_dbi_debugfs_init		NULL
-#endif
-
-#endif /* __LINUX_MIPI_DBI_H */