video: fbdev: remove unused auo_k190xfb drivers (745f8c14) · Commits · 戴 / test

drivers/video/fbdev/Kconfig

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		@@ -2253,39 +2253,6 @@ config FB_BROADSHEET
		and could also have been called by other names when coupled with
		a bridge adapter.

		config FB_AUO_K190X
		tristate "AUO-K190X EPD controller support"
		depends on FB
		select FB_SYS_FILLRECT
		select FB_SYS_COPYAREA
		select FB_SYS_IMAGEBLIT
		select FB_SYS_FOPS
		select FB_DEFERRED_IO
		help
		Provides support for epaper controllers from the K190X series
		of AUO. These controllers can be used to drive epaper displays
		from Sipix.

		This option enables the common support, shared by the individual
		controller drivers. You will also have to enable the driver
		for the controller type used in your device.

		config FB_AUO_K1900
		tristate "AUO-K1900 EPD controller support"
		depends on FB && FB_AUO_K190X
		help
		This driver implements support for the AUO K1900 epd-controller.
		This controller can drive Sipix epaper displays but can only do
		serial updates, reducing the number of possible frames per second.

		config FB_AUO_K1901
		tristate "AUO-K1901 EPD controller support"
		depends on FB && FB_AUO_K190X
		help
		This driver implements support for the AUO K1901 epd-controller.
		This controller can drive Sipix epaper displays and supports
		concurrent updates, making higher frames per second possible.

		config FB_JZ4740
		tristate "JZ4740 LCD framebuffer support"
		depends on FB && MACH_JZ4740

drivers/video/fbdev/Makefile

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		@@ -100,9 +100,6 @@ obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o
		obj-$(CONFIG_FB_MAXINE) += maxinefb.o
		obj-$(CONFIG_FB_METRONOME) += metronomefb.o
		obj-$(CONFIG_FB_BROADSHEET) += broadsheetfb.o
		obj-$(CONFIG_FB_AUO_K190X) += auo_k190x.o
		obj-$(CONFIG_FB_AUO_K1900) += auo_k1900fb.o
		obj-$(CONFIG_FB_AUO_K1901) += auo_k1901fb.o
		obj-$(CONFIG_FB_S1D13XXX) += s1d13xxxfb.o
		obj-$(CONFIG_FB_SH7760) += sh7760fb.o
		obj-$(CONFIG_FB_IMX) += imxfb.o

drivers/video/fbdev/auo_k1900fb.c

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		/*
		* auok190xfb.c -- FB driver for AUO-K1900 controllers
		*
		* Copyright (C) 2011, 2012 Heiko Stuebner <heiko@sntech.de>
		*
		* based on broadsheetfb.c
		*
		* Copyright (C) 2008, Jaya Kumar
		*
		* 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.
		*
		* Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven.
		*
		* This driver is written to be used with the AUO-K1900 display controller.
		*
		* It is intended to be architecture independent. A board specific driver
		* must be used to perform all the physical IO interactions.
		*
		* The controller supports different update modes:
		* mode0+1 16 step gray (4bit)
		* mode2 4 step gray (2bit) - FIXME: add strange refresh
		* mode3 2 step gray (1bit) - FIXME: add strange refresh
		* mode4 handwriting mode (strange behaviour)
		* mode5 automatic selection of update mode
		*/

		#include <linux/module.h>
		#include <linux/kernel.h>
		#include <linux/errno.h>
		#include <linux/string.h>
		#include <linux/mm.h>
		#include <linux/slab.h>
		#include <linux/delay.h>
		#include <linux/interrupt.h>
		#include <linux/fb.h>
		#include <linux/init.h>
		#include <linux/platform_device.h>
		#include <linux/list.h>
		#include <linux/firmware.h>
		#include <linux/gpio.h>
		#include <linux/pm_runtime.h>

		#include <video/auo_k190xfb.h>

		#include "auo_k190x.h"

		/*
		* AUO-K1900 specific commands
		*/

		#define AUOK1900_CMD_PARTIALDISP 0x1001
		#define AUOK1900_CMD_ROTATION 0x1006
		#define AUOK1900_CMD_LUT_STOP 0x1009

		#define AUOK1900_INIT_TEMP_AVERAGE (1 << 13)
		#define AUOK1900_INIT_ROTATE(_x) ((_x & 0x3) << 10)
		#define AUOK1900_INIT_RESOLUTION(_res) ((_res & 0x7) << 2)

		static void auok1900_init(struct auok190xfb_par *par)
		{
		struct device *dev = par->info->device;
		struct auok190x_board *board = par->board;
		u16 init_param = 0;

		pm_runtime_get_sync(dev);

		init_param \|= AUOK1900_INIT_TEMP_AVERAGE;
		init_param \|= AUOK1900_INIT_ROTATE(par->rotation);
		init_param \|= AUOK190X_INIT_INVERSE_WHITE;
		init_param \|= AUOK190X_INIT_FORMAT0;
		init_param \|= AUOK1900_INIT_RESOLUTION(par->resolution);
		init_param \|= AUOK190X_INIT_SHIFT_RIGHT;

		auok190x_send_cmdargs(par, AUOK190X_CMD_INIT, 1, &init_param);

		/* let the controller finish */
		board->wait_for_rdy(par);

		pm_runtime_mark_last_busy(dev);
		pm_runtime_put_autosuspend(dev);
		}

		static void auok1900_update_region(struct auok190xfb_par *par, int mode,
		u16 y1, u16 y2)
		{
		struct device *dev = par->info->device;
		unsigned char buf = (unsigned char )par->info->screen_base;
		int xres = par->info->var.xres;
		int line_length = par->info->fix.line_length;
		u16 args[4];

		pm_runtime_get_sync(dev);

		mutex_lock(&(par->io_lock));

		/* y1 and y2 must be a multiple of 2 so drop the lowest bit */
		y1 &= 0xfffe;
		y2 &= 0xfffe;

		dev_dbg(dev, "update (x,y,w,h,mode)=(%d,%d,%d,%d,%d)\n",
		1, y1+1, xres, y2-y1, mode);

		/* to FIX handle different partial update modes */
		args[0] = mode \| 1;
		args[1] = y1 + 1;
		args[2] = xres;
		args[3] = y2 - y1;
		buf += y1 * line_length;
		auok190x_send_cmdargs_pixels(par, AUOK1900_CMD_PARTIALDISP, 4, args,
		((y2 - y1) * line_length)/2, (u16 *) buf);
		auok190x_send_command(par, AUOK190X_CMD_DATA_STOP);

		par->update_cnt++;

		mutex_unlock(&(par->io_lock));

		pm_runtime_mark_last_busy(dev);
		pm_runtime_put_autosuspend(dev);
		}

		static void auok1900fb_dpy_update_pages(struct auok190xfb_par *par,
		u16 y1, u16 y2)
		{
		int mode;

		if (par->update_mode < 0) {
		mode = AUOK190X_UPDATE_MODE(1);
		par->last_mode = -1;
		} else {
		mode = AUOK190X_UPDATE_MODE(par->update_mode);
		par->last_mode = par->update_mode;
		}

		if (par->flash)
		mode \|= AUOK190X_UPDATE_NONFLASH;

		auok1900_update_region(par, mode, y1, y2);
		}

		static void auok1900fb_dpy_update(struct auok190xfb_par *par)
		{
		int mode;

		if (par->update_mode < 0) {
		mode = AUOK190X_UPDATE_MODE(0);
		par->last_mode = -1;
		} else {
		mode = AUOK190X_UPDATE_MODE(par->update_mode);
		par->last_mode = par->update_mode;
		}

		if (par->flash)
		mode \|= AUOK190X_UPDATE_NONFLASH;

		auok1900_update_region(par, mode, 0, par->info->var.yres);
		par->update_cnt = 0;
		}

		static bool auok1900fb_need_refresh(struct auok190xfb_par *par)
		{
		return (par->update_cnt > 10);
		}

		static int auok1900fb_probe(struct platform_device *pdev)
		{
		struct auok190x_init_data init;
		struct auok190x_board *board;

		/* pick up board specific routines */
		board = pdev->dev.platform_data;
		if (!board)
		return -EINVAL;

		/* fill temporary init struct for common init */
		init.id = "auo_k1900fb";
		init.board = board;
		init.update_partial = auok1900fb_dpy_update_pages;
		init.update_all = auok1900fb_dpy_update;
		init.need_refresh = auok1900fb_need_refresh;
		init.init = auok1900_init;

		return auok190x_common_probe(pdev, &init);
		}

		static int auok1900fb_remove(struct platform_device *pdev)
		{
		return auok190x_common_remove(pdev);
		}

		static struct platform_driver auok1900fb_driver = {
		.probe = auok1900fb_probe,
		.remove = auok1900fb_remove,
		.driver = {
		.name = "auo_k1900fb",
		.pm = &auok190x_pm,
		},
		};
		module_platform_driver(auok1900fb_driver);

		MODULE_DESCRIPTION("framebuffer driver for the AUO-K1900 EPD controller");
		MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>");
		MODULE_LICENSE("GPL");

drivers/video/fbdev/auo_k1901fb.c

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		/*
		* auok190xfb.c -- FB driver for AUO-K1901 controllers
		*
		* Copyright (C) 2011, 2012 Heiko Stuebner <heiko@sntech.de>
		*
		* based on broadsheetfb.c
		*
		* Copyright (C) 2008, Jaya Kumar
		*
		* 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.
		*
		* Layout is based on skeletonfb.c by James Simmons and Geert Uytterhoeven.
		*
		* This driver is written to be used with the AUO-K1901 display controller.
		*
		* It is intended to be architecture independent. A board specific driver
		* must be used to perform all the physical IO interactions.
		*
		* The controller supports different update modes:
		* mode0+1 16 step gray (4bit)
		* mode2+3 4 step gray (2bit)
		* mode4+5 2 step gray (1bit)
		* - mode4 is described as "without LUT"
		* mode7 automatic selection of update mode
		*
		* The most interesting difference to the K1900 is the ability to do screen
		* updates in an asynchronous fashion. Where the K1900 needs to wait for the
		* current update to complete, the K1901 can process later updates already.
		*/

		#include <linux/module.h>
		#include <linux/kernel.h>
		#include <linux/errno.h>
		#include <linux/string.h>
		#include <linux/mm.h>
		#include <linux/slab.h>
		#include <linux/delay.h>
		#include <linux/interrupt.h>
		#include <linux/fb.h>
		#include <linux/init.h>
		#include <linux/platform_device.h>
		#include <linux/list.h>
		#include <linux/firmware.h>
		#include <linux/gpio.h>
		#include <linux/pm_runtime.h>

		#include <video/auo_k190xfb.h>

		#include "auo_k190x.h"

		/*
		* AUO-K1901 specific commands
		*/

		#define AUOK1901_CMD_LUT_INTERFACE 0x0005
		#define AUOK1901_CMD_DMA_START 0x1001
		#define AUOK1901_CMD_CURSOR_START 0x1007
		#define AUOK1901_CMD_CURSOR_STOP AUOK190X_CMD_DATA_STOP
		#define AUOK1901_CMD_DDMA_START 0x1009

		#define AUOK1901_INIT_GATE_PULSE_LOW (0 << 14)
		#define AUOK1901_INIT_GATE_PULSE_HIGH (1 << 14)
		#define AUOK1901_INIT_SINGLE_GATE (0 << 13)
		#define AUOK1901_INIT_DOUBLE_GATE (1 << 13)

		/* Bits to pixels
		* Mode 15-12 11-8 7-4 3-0
		* format2 2 T 1 T
		* format3 1 T 2 T
		* format4 T 2 T 1
		* format5 T 1 T 2
		*
		* halftone modes:
		* format6 2 2 1 1
		* format7 1 1 2 2
		*/
		#define AUOK1901_INIT_FORMAT2 (1 << 7)
		#define AUOK1901_INIT_FORMAT3 ((1 << 7) \| (1 << 6))
		#define AUOK1901_INIT_FORMAT4 (1 << 8)
		#define AUOK1901_INIT_FORMAT5 ((1 << 8) \| (1 << 6))
		#define AUOK1901_INIT_FORMAT6 ((1 << 8) \| (1 << 7))
		#define AUOK1901_INIT_FORMAT7 ((1 << 8) \| (1 << 7) \| (1 << 6))

		/* res[4] to bit 10
		* res[3-0] to bits 5-2
		*/
		#define AUOK1901_INIT_RESOLUTION(_res) (((_res & (1 << 4)) << 6) \
		\| ((_res & 0xf) << 2))

		/*
		* portrait / landscape orientation in AUOK1901_CMD_DMA_START
		*/
		#define AUOK1901_DMA_ROTATE90(_rot) ((_rot & 1) << 13)

		/*
		* equivalent to 1 << 11, needs the ~ to have same rotation like K1900
		*/
		#define AUOK1901_DDMA_ROTATE180(_rot) ((~_rot & 2) << 10)

		static void auok1901_init(struct auok190xfb_par *par)
		{
		struct device *dev = par->info->device;
		struct auok190x_board *board = par->board;
		u16 init_param = 0;

		pm_runtime_get_sync(dev);

		init_param \|= AUOK190X_INIT_INVERSE_WHITE;
		init_param \|= AUOK190X_INIT_FORMAT0;
		init_param \|= AUOK1901_INIT_RESOLUTION(par->resolution);
		init_param \|= AUOK190X_INIT_SHIFT_LEFT;

		auok190x_send_cmdargs(par, AUOK190X_CMD_INIT, 1, &init_param);

		/* let the controller finish */
		board->wait_for_rdy(par);

		pm_runtime_mark_last_busy(dev);
		pm_runtime_put_autosuspend(dev);
		}

		static void auok1901_update_region(struct auok190xfb_par *par, int mode,
		u16 y1, u16 y2)
		{
		struct device *dev = par->info->device;
		unsigned char buf = (unsigned char )par->info->screen_base;
		int xres = par->info->var.xres;
		int line_length = par->info->fix.line_length;
		u16 args[5];

		pm_runtime_get_sync(dev);

		mutex_lock(&(par->io_lock));

		/* y1 and y2 must be a multiple of 2 so drop the lowest bit */
		y1 &= 0xfffe;
		y2 &= 0xfffe;

		dev_dbg(dev, "update (x,y,w,h,mode)=(%d,%d,%d,%d,%d)\n",
		1, y1+1, xres, y2-y1, mode);

		/* K1901: first transfer the region data */
		args[0] = AUOK1901_DMA_ROTATE90(par->rotation) \| 1;
		args[1] = y1 + 1;
		args[2] = xres;
		args[3] = y2 - y1;
		buf += y1 * line_length;
		auok190x_send_cmdargs_pixels_nowait(par, AUOK1901_CMD_DMA_START, 4,
		args, ((y2 - y1) * line_length)/2,
		(u16 *) buf);
		auok190x_send_command_nowait(par, AUOK190X_CMD_DATA_STOP);

		/* K1901: second tell the controller to update the region with mode */
		args[0] = mode \| AUOK1901_DDMA_ROTATE180(par->rotation);
		args[1] = 1;
		args[2] = y1 + 1;
		args[3] = xres;
		args[4] = y2 - y1;
		auok190x_send_cmdargs_nowait(par, AUOK1901_CMD_DDMA_START, 5, args);

		par->update_cnt++;

		mutex_unlock(&(par->io_lock));

		pm_runtime_mark_last_busy(dev);
		pm_runtime_put_autosuspend(dev);
		}

		static void auok1901fb_dpy_update_pages(struct auok190xfb_par *par,
		u16 y1, u16 y2)
		{
		int mode;

		if (par->update_mode < 0) {
		mode = AUOK190X_UPDATE_MODE(1);
		par->last_mode = -1;
		} else {
		mode = AUOK190X_UPDATE_MODE(par->update_mode);
		par->last_mode = par->update_mode;
		}

		if (par->flash)
		mode \|= AUOK190X_UPDATE_NONFLASH;

		auok1901_update_region(par, mode, y1, y2);
		}

		static void auok1901fb_dpy_update(struct auok190xfb_par *par)
		{
		int mode;

		/* When doing full updates, wait for the controller to be ready
		* This will hopefully catch some hangs of the K1901
		*/
		par->board->wait_for_rdy(par);

		if (par->update_mode < 0) {
		mode = AUOK190X_UPDATE_MODE(0);
		par->last_mode = -1;
		} else {
		mode = AUOK190X_UPDATE_MODE(par->update_mode);
		par->last_mode = par->update_mode;
		}

		if (par->flash)
		mode \|= AUOK190X_UPDATE_NONFLASH;

		auok1901_update_region(par, mode, 0, par->info->var.yres);
		par->update_cnt = 0;
		}

		static bool auok1901fb_need_refresh(struct auok190xfb_par *par)
		{
		return (par->update_cnt > 10);
		}

		static int auok1901fb_probe(struct platform_device *pdev)
		{
		struct auok190x_init_data init;
		struct auok190x_board *board;

		/* pick up board specific routines */
		board = pdev->dev.platform_data;
		if (!board)
		return -EINVAL;

		/* fill temporary init struct for common init */
		init.id = "auo_k1901fb";
		init.board = board;
		init.update_partial = auok1901fb_dpy_update_pages;
		init.update_all = auok1901fb_dpy_update;
		init.need_refresh = auok1901fb_need_refresh;
		init.init = auok1901_init;

		return auok190x_common_probe(pdev, &init);
		}

		static int auok1901fb_remove(struct platform_device *pdev)
		{
		return auok190x_common_remove(pdev);
		}

		static struct platform_driver auok1901fb_driver = {
		.probe = auok1901fb_probe,
		.remove = auok1901fb_remove,
		.driver = {
		.name = "auo_k1901fb",
		.pm = &auok190x_pm,
		},
		};
		module_platform_driver(auok1901fb_driver);

		MODULE_DESCRIPTION("framebuffer driver for the AUO-K1901 EPD controller");
		MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>");
		MODULE_LICENSE("GPL");

drivers/video/fbdev/auo_k190x.c

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