diff options
Diffstat (limited to 'drivers/video')
33 files changed, 2241 insertions, 317 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index a290be51a1f4..0217f7415ef5 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -2210,7 +2210,7 @@ config FB_XILINX config FB_COBALT tristate "Cobalt server LCD frame buffer support" - depends on FB && MIPS_COBALT + depends on FB && (MIPS_COBALT || MIPS_SEAD3) config FB_SH7760 bool "SH7760/SH7763/SH7720/SH7721 LCDC support" @@ -2382,6 +2382,39 @@ 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 diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 9356add945b3..ee8dafb69e36 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -118,6 +118,9 @@ 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 diff --git a/drivers/video/auo_k1900fb.c b/drivers/video/auo_k1900fb.c new file mode 100644 index 000000000000..c36cf961dcb2 --- /dev/null +++ b/drivers/video/auo_k1900fb.c @@ -0,0 +1,198 @@ +/* + * 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 auok190x_board *board = par->board; + u16 init_param = 0; + + 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); +} + +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; + 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 * xres; + auok190x_send_cmdargs_pixels(par, AUOK1900_CMD_PARTIALDISP, 4, args, + ((y2 - y1) * xres)/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 __devinit 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 __devexit auok1900fb_remove(struct platform_device *pdev) +{ + return auok190x_common_remove(pdev); +} + +static struct platform_driver auok1900fb_driver = { + .probe = auok1900fb_probe, + .remove = __devexit_p(auok1900fb_remove), + .driver = { + .owner = THIS_MODULE, + .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"); diff --git a/drivers/video/auo_k1901fb.c b/drivers/video/auo_k1901fb.c new file mode 100644 index 000000000000..1c054c18616e --- /dev/null +++ b/drivers/video/auo_k1901fb.c @@ -0,0 +1,251 @@ +/* + * 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 auok190x_board *board = par->board; + u16 init_param = 0; + + 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); +} + +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; + 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 * xres; + auok190x_send_cmdargs_pixels_nowait(par, AUOK1901_CMD_DMA_START, 4, + args, ((y2 - y1) * xres)/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 __devinit 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 __devexit auok1901fb_remove(struct platform_device *pdev) +{ + return auok190x_common_remove(pdev); +} + +static struct platform_driver auok1901fb_driver = { + .probe = auok1901fb_probe, + .remove = __devexit_p(auok1901fb_remove), + .driver = { + .owner = THIS_MODULE, + .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"); diff --git a/drivers/video/auo_k190x.c b/drivers/video/auo_k190x.c new file mode 100644 index 000000000000..77da6a2f43dc --- /dev/null +++ b/drivers/video/auo_k190x.c @@ -0,0 +1,1046 @@ +/* + * Common code for AUO-K190X framebuffer drivers + * + * Copyright (C) 2012 Heiko Stuebner <heiko@sntech.de> + * + * 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. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/gpio.h> +#include <linux/pm_runtime.h> +#include <linux/fb.h> +#include <linux/delay.h> +#include <linux/uaccess.h> +#include <linux/vmalloc.h> +#include <linux/regulator/consumer.h> + +#include <video/auo_k190xfb.h> + +#include "auo_k190x.h" + +struct panel_info { + int w; + int h; +}; + +/* table of panel specific parameters to be indexed into by the board drivers */ +static struct panel_info panel_table[] = { + /* standard 6" */ + [AUOK190X_RESOLUTION_800_600] = { + .w = 800, + .h = 600, + }, + /* standard 9" */ + [AUOK190X_RESOLUTION_1024_768] = { + .w = 1024, + .h = 768, + }, +}; + +/* + * private I80 interface to the board driver + */ + +static void auok190x_issue_data(struct auok190xfb_par *par, u16 data) +{ + par->board->set_ctl(par, AUOK190X_I80_WR, 0); + par->board->set_hdb(par, data); + par->board->set_ctl(par, AUOK190X_I80_WR, 1); +} + +static void auok190x_issue_cmd(struct auok190xfb_par *par, u16 data) +{ + par->board->set_ctl(par, AUOK190X_I80_DC, 0); + auok190x_issue_data(par, data); + par->board->set_ctl(par, AUOK190X_I80_DC, 1); +} + +static int auok190x_issue_pixels(struct auok190xfb_par *par, int size, + u16 *data) +{ + struct device *dev = par->info->device; + int i; + u16 tmp; + + if (size & 3) { + dev_err(dev, "issue_pixels: size %d must be a multiple of 4\n", + size); + return -EINVAL; + } + + for (i = 0; i < (size >> 1); i++) { + par->board->set_ctl(par, AUOK190X_I80_WR, 0); + + /* simple reduction of 8bit staticgray to 4bit gray + * combines 4 * 4bit pixel values into a 16bit value + */ + tmp = (data[2*i] & 0xF0) >> 4; + tmp |= (data[2*i] & 0xF000) >> 8; + tmp |= (data[2*i+1] & 0xF0) << 4; + tmp |= (data[2*i+1] & 0xF000); + + par->board->set_hdb(par, tmp); + par->board->set_ctl(par, AUOK190X_I80_WR, 1); + } + + return 0; +} + +static u16 auok190x_read_data(struct auok190xfb_par *par) +{ + u16 data; + + par->board->set_ctl(par, AUOK190X_I80_OE, 0); + data = par->board->get_hdb(par); + par->board->set_ctl(par, AUOK190X_I80_OE, 1); + + return data; +} + +/* + * Command interface for the controller drivers + */ + +void auok190x_send_command_nowait(struct auok190xfb_par *par, u16 data) +{ + par->board->set_ctl(par, AUOK190X_I80_CS, 0); + auok190x_issue_cmd(par, data); + par->board->set_ctl(par, AUOK190X_I80_CS, 1); +} +EXPORT_SYMBOL_GPL(auok190x_send_command_nowait); + +void auok190x_send_cmdargs_nowait(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv) +{ + int i; + + par->board->set_ctl(par, AUOK190X_I80_CS, 0); + auok190x_issue_cmd(par, cmd); + + for (i = 0; i < argc; i++) + auok190x_issue_data(par, argv[i]); + par->board->set_ctl(par, AUOK190X_I80_CS, 1); +} +EXPORT_SYMBOL_GPL(auok190x_send_cmdargs_nowait); + +int auok190x_send_command(struct auok190xfb_par *par, u16 data) +{ + int ret; + + ret = par->board->wait_for_rdy(par); + if (ret) + return ret; + + auok190x_send_command_nowait(par, data); + return 0; +} +EXPORT_SYMBOL_GPL(auok190x_send_command); + +int auok190x_send_cmdargs(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv) +{ + int ret; + + ret = par->board->wait_for_rdy(par); + if (ret) + return ret; + + auok190x_send_cmdargs_nowait(par, cmd, argc, argv); + return 0; +} +EXPORT_SYMBOL_GPL(auok190x_send_cmdargs); + +int auok190x_read_cmdargs(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv) +{ + int i, ret; + + ret = par->board->wait_for_rdy(par); + if (ret) + return ret; + + par->board->set_ctl(par, AUOK190X_I80_CS, 0); + auok190x_issue_cmd(par, cmd); + + for (i = 0; i < argc; i++) + argv[i] = auok190x_read_data(par); + par->board->set_ctl(par, AUOK190X_I80_CS, 1); + + return 0; +} +EXPORT_SYMBOL_GPL(auok190x_read_cmdargs); + +void auok190x_send_cmdargs_pixels_nowait(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv, int size, u16 *data) +{ + int i; + + par->board->set_ctl(par, AUOK190X_I80_CS, 0); + + auok190x_issue_cmd(par, cmd); + + for (i = 0; i < argc; i++) + auok190x_issue_data(par, argv[i]); + + auok190x_issue_pixels(par, size, data); + + par->board->set_ctl(par, AUOK190X_I80_CS, 1); +} +EXPORT_SYMBOL_GPL(auok190x_send_cmdargs_pixels_nowait); + +int auok190x_send_cmdargs_pixels(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv, int size, u16 *data) +{ + int ret; + + ret = par->board->wait_for_rdy(par); + if (ret) + return ret; + + auok190x_send_cmdargs_pixels_nowait(par, cmd, argc, argv, size, data); + + return 0; +} +EXPORT_SYMBOL_GPL(auok190x_send_cmdargs_pixels); + +/* + * fbdefio callbacks - common on both controllers. + */ + +static void auok190xfb_dpy_first_io(struct fb_info *info) +{ + /* tell runtime-pm that we wish to use the device in a short time */ + pm_runtime_get(info->device); +} + +/* this is called back from the deferred io workqueue */ +static void auok190xfb_dpy_deferred_io(struct fb_info *info, + struct list_head *pagelist) +{ + struct fb_deferred_io *fbdefio = info->fbdefio; + struct auok190xfb_par *par = info->par; + u16 yres = info->var.yres; + u16 xres = info->var.xres; + u16 y1 = 0, h = 0; + int prev_index = -1; + struct page *cur; + int h_inc; + int threshold; + + if (!list_empty(pagelist)) + /* the device resume should've been requested through first_io, + * if the resume did not finish until now, wait for it. + */ + pm_runtime_barrier(info->device); + else + /* We reached this via the fsync or some other way. + * In either case the first_io function did not run, + * so we runtime_resume the device here synchronously. + */ + pm_runtime_get_sync(info->device); + + /* Do a full screen update every n updates to prevent + * excessive darkening of the Sipix display. + * If we do this, there is no need to walk the pages. + */ + if (par->need_refresh(par)) { + par->update_all(par); + goto out; + } + + /* height increment is fixed per page */ + h_inc = DIV_ROUND_UP(PAGE_SIZE , xres); + + /* calculate number of pages from pixel height */ + threshold = par->consecutive_threshold / h_inc; + if (threshold < 1) + threshold = 1; + + /* walk the written page list and swizzle the data */ + list_for_each_entry(cur, &fbdefio->pagelist, lru) { + if (prev_index < 0) { + /* just starting so assign first page */ + y1 = (cur->index << PAGE_SHIFT) / xres; + h = h_inc; + } else if ((cur->index - prev_index) <= threshold) { + /* page is within our threshold for single updates */ + h += h_inc * (cur->index - prev_index); + } else { + /* page not consecutive, issue previous update first */ + par->update_partial(par, y1, y1 + h); + + /* start over with our non consecutive page */ + y1 = (cur->index << PAGE_SHIFT) / xres; + h = h_inc; + } + prev_index = cur->index; + } + + /* if we still have any pages to update we do so now */ + if (h >= yres) + /* its a full screen update, just do it */ + par->update_all(par); + else + par->update_partial(par, y1, min((u16) (y1 + h), yres)); + +out: + pm_runtime_mark_last_busy(info->device); + pm_runtime_put_autosuspend(info->device); +} + +/* + * framebuffer operations + */ + +/* + * this is the slow path from userspace. they can seek and write to + * the fb. it's inefficient to do anything less than a full screen draw + */ +static ssize_t auok190xfb_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct auok190xfb_par *par = info->par; + unsigned long p = *ppos; + void *dst; + int err = 0; + unsigned long total_size; + + if (info->state != FBINFO_STATE_RUNNING) + return -EPERM; + + total_size = info->fix.smem_len; + + if (p > total_size) + return -EFBIG; + + if (count > total_size) { + err = -EFBIG; + count = total_size; + } + + if (count + p > total_size) { + if (!err) + err = -ENOSPC; + + count = total_size - p; + } + + dst = (void *)(info->screen_base + p); + + if (copy_from_user(dst, buf, count)) + err = -EFAULT; + + if (!err) + *ppos += count; + + par->update_all(par); + + return (err) ? err : count; +} + +static void auok190xfb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + struct auok190xfb_par *par = info->par; + + sys_fillrect(info, rect); + + par->update_all(par); +} + +static void auok190xfb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + struct auok190xfb_par *par = info->par; + + sys_copyarea(info, area); + + par->update_all(par); +} + +static void auok190xfb_imageblit(struct fb_info *info, + const struct fb_image *image) +{ + struct auok190xfb_par *par = info->par; + + sys_imageblit(info, image); + + par->update_all(par); +} + +static int auok190xfb_check_var(struct fb_var_screeninfo *var, + struct fb_info *info) +{ + if (info->var.xres != var->xres || info->var.yres != var->yres || + info->var.xres_virtual != var->xres_virtual || + info->var.yres_virtual != var->yres_virtual) { + pr_info("%s: Resolution not supported: X%u x Y%u\n", + __func__, var->xres, var->yres); + return -EINVAL; + } + + /* + * Memory limit + */ + + if ((info->fix.line_length * var->yres_virtual) > info->fix.smem_len) { + pr_info("%s: Memory Limit requested yres_virtual = %u\n", + __func__, var->yres_virtual); + return -ENOMEM; + } + + return 0; +} + +static struct fb_ops auok190xfb_ops = { + .owner = THIS_MODULE, + .fb_read = fb_sys_read, + .fb_write = auok190xfb_write, + .fb_fillrect = auok190xfb_fillrect, + .fb_copyarea = auok190xfb_copyarea, + .fb_imageblit = auok190xfb_imageblit, + .fb_check_var = auok190xfb_check_var, +}; + +/* + * Controller-functions common to both K1900 and K1901 + */ + +static int auok190x_read_temperature(struct auok190xfb_par *par) +{ + struct device *dev = par->info->device; + u16 data[4]; + int temp; + + pm_runtime_get_sync(dev); + + mutex_lock(&(par->io_lock)); + + auok190x_read_cmdargs(par, AUOK190X_CMD_READ_VERSION, 4, data); + + mutex_unlock(&(par->io_lock)); + + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); + + /* sanitize and split of half-degrees for now */ + temp = ((data[0] & AUOK190X_VERSION_TEMP_MASK) >> 1); + + /* handle positive and negative temperatures */ + if (temp >= 201) + return (255 - temp + 1) * (-1); + else + return temp; +} + +static void auok190x_identify(struct auok190xfb_par *par) +{ + struct device *dev = par->info->device; + u16 data[4]; + + pm_runtime_get_sync(dev); + + mutex_lock(&(par->io_lock)); + + auok190x_read_cmdargs(par, AUOK190X_CMD_READ_VERSION, 4, data); + + mutex_unlock(&(par->io_lock)); + + par->epd_type = data[1] & AUOK190X_VERSION_TEMP_MASK; + + par->panel_size_int = AUOK190X_VERSION_SIZE_INT(data[2]); + par->panel_size_float = AUOK190X_VERSION_SIZE_FLOAT(data[2]); + par->panel_model = AUOK190X_VERSION_MODEL(data[2]); + + par->tcon_version = AUOK190X_VERSION_TCON(data[3]); + par->lut_version = AUOK190X_VERSION_LUT(data[3]); + + dev_dbg(dev, "panel %d.%din, model 0x%x, EPD 0x%x TCON-rev 0x%x, LUT-rev 0x%x", + par->panel_size_int, par->panel_size_float, par->panel_model, + par->epd_type, par->tcon_version, par->lut_version); + + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); +} + +/* + * Sysfs functions + */ + +static ssize_t update_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct auok190xfb_par *par = info->par; + + return sprintf(buf, "%d\n", par->update_mode); +} + +static ssize_t update_mode_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct auok190xfb_par *par = info->par; + int mode, ret; + + ret = kstrtoint(buf, 10, &mode); + if (ret) + return ret; + + par->update_mode = mode; + + /* if we enter a better mode, do a full update */ + if (par->last_mode > 1 && mode < par->last_mode) + par->update_all(par); + + return count; +} + +static ssize_t flash_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct auok190xfb_par *par = info->par; + + return sprintf(buf, "%d\n", par->flash); +} + +static ssize_t flash_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct auok190xfb_par *par = info->par; + int flash, ret; + + ret = kstrtoint(buf, 10, &flash); + if (ret) + return ret; + + if (flash > 0) + par->flash = 1; + else + par->flash = 0; + + return count; +} + +static ssize_t temp_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct fb_info *info = dev_get_drvdata(dev); + struct auok190xfb_par *par = info->par; + int temp; + + temp = auok190x_read_temperature(par); + return sprintf(buf, "%d\n", temp); +} + +static DEVICE_ATTR(update_mode, 0644, update_mode_show, update_mode_store); +static DEVICE_ATTR(flash, 0644, flash_show, flash_store); +static DEVICE_ATTR(temp, 0644, temp_show, NULL); + +static struct attribute *auok190x_attributes[] = { + &dev_attr_update_mode.attr, + &dev_attr_flash.attr, + &dev_attr_temp.attr, + NULL +}; + +static const struct attribute_group auok190x_attr_group = { + .attrs = auok190x_attributes, +}; + +static int auok190x_power(struct auok190xfb_par *par, bool on) +{ + struct auok190x_board *board = par->board; + int ret; + + if (on) { + /* We should maintain POWER up for at least 80ms before set + * RST_N and SLP_N to high (TCON spec 20100803_v35 p59) + */ + ret = regulator_enable(par->regulator); + if (ret) + return ret; + + msleep(200); + gpio_set_value(board->gpio_nrst, 1); + gpio_set_value(board->gpio_nsleep, 1); + msleep(200); + } else { + regulator_disable(par->regulator); + gpio_set_value(board->gpio_nrst, 0); + gpio_set_value(board->gpio_nsleep, 0); + } + + return 0; +} + +/* + * Recovery - powercycle the controller + */ + +static void auok190x_recover(struct auok190xfb_par *par) +{ + auok190x_power(par, 0); + msleep(100); + auok190x_power(par, 1); + + par->init(par); + + /* wait for init to complete */ + par->board->wait_for_rdy(par); +} + +/* + * Power-management + */ + +#ifdef CONFIG_PM +static int auok190x_runtime_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct fb_info *info = platform_get_drvdata(pdev); + struct auok190xfb_par *par = info->par; + struct auok190x_board *board = par->board; + u16 standby_param; + + /* take and keep the lock until we are resumed, as the controller + * will never reach the non-busy state when in standby mode + */ + mutex_lock(&(par->io_lock)); + + if (par->standby) { + dev_warn(dev, "already in standby, runtime-pm pairing mismatch\n"); + mutex_unlock(&(par->io_lock)); + return 0; + } + + /* according to runtime_pm.txt runtime_suspend only means, that the + * device will not process data and will not communicate with the CPU + * As we hold the lock, this stays true even without standby + */ + if (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) { + dev_dbg(dev, "runtime suspend without standby\n"); + goto finish; + } else if (board->quirks & AUOK190X_QUIRK_STANDBYPARAM) { + /* for some TCON versions STANDBY expects a parameter (0) but + * it seems the real tcon version has to be determined yet. + */ + dev_dbg(dev, "runtime suspend with additional empty param\n"); + standby_param = 0; + auok190x_send_cmdargs(par, AUOK190X_CMD_STANDBY, 1, + &standby_param); + } else { + dev_dbg(dev, "runtime suspend without param\n"); + auok190x_send_command(par, AUOK190X_CMD_STANDBY); + } + + msleep(64); + +finish: + par->standby = 1; + + return 0; +} + +static int auok190x_runtime_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct fb_info *info = platform_get_drvdata(pdev); + struct auok190xfb_par *par = info->par; + struct auok190x_board *board = par->board; + + if (!par->standby) { + dev_warn(dev, "not in standby, runtime-pm pairing mismatch\n"); + return 0; + } + + if (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) { + dev_dbg(dev, "runtime resume without standby\n"); + } else { + /* when in standby, controller is always busy + * and only accepts the wakeup command + */ + dev_dbg(dev, "runtime resume from standby\n"); + auok190x_send_command_nowait(par, AUOK190X_CMD_WAKEUP); + + msleep(160); + + /* wait for the controller to be ready and release the lock */ + board->wait_for_rdy(par); + } + + par->standby = 0; + + mutex_unlock(&(par->io_lock)); + + return 0; +} + +static int auok190x_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct fb_info *info = platform_get_drvdata(pdev); + struct auok190xfb_par *par = info->par; + struct auok190x_board *board = par->board; + int ret; + + dev_dbg(dev, "suspend\n"); + if (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) { + /* suspend via powering off the ic */ + dev_dbg(dev, "suspend with broken standby\n"); + + auok190x_power(par, 0); + } else { + dev_dbg(dev, "suspend using sleep\n"); + + /* the sleep state can only be entered from the standby state. + * pm_runtime_get_noresume gets called before the suspend call. + * So the devices usage count is >0 but it is not necessarily + * active. + */ + if (!pm_runtime_status_suspended(dev)) { + ret = auok190x_runtime_suspend(dev); + if (ret < 0) { + dev_err(dev, "auok190x_runtime_suspend failed with %d\n", + ret); + return ret; + } + par->manual_standby = 1; + } + + gpio_direction_output(board->gpio_nsleep, 0); + } + + msleep(100); + + return 0; +} + +static int auok190x_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct fb_info *info = platform_get_drvdata(pdev); + struct auok190xfb_par *par = info->par; + struct auok190x_board *board = par->board; + + dev_dbg(dev, "resume\n"); + if (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) { + dev_dbg(dev, "resume with broken standby\n"); + + auok190x_power(par, 1); + + par->init(par); + } else { + dev_dbg(dev, "resume from sleep\n"); + + /* device should be in runtime suspend when we were suspended + * and pm_runtime_put_sync gets called after this function. + * So there is no need to touch the standby mode here at all. + */ + gpio_direction_output(board->gpio_nsleep, 1); + msleep(100); + + /* an additional init call seems to be necessary after sleep */ + auok190x_runtime_resume(dev); + par->init(par); + + /* if we were runtime-suspended before, suspend again*/ + if (!par->manual_standby) + auok190x_runtime_suspend(dev); + else + par->manual_standby = 0; + } + + return 0; +} +#endif + +const struct dev_pm_ops auok190x_pm = { + SET_RUNTIME_PM_OPS(auok190x_runtime_suspend, auok190x_runtime_resume, + NULL) + SET_SYSTEM_SLEEP_PM_OPS(auok190x_suspend, auok190x_resume) +}; +EXPORT_SYMBOL_GPL(auok190x_pm); + +/* + * Common probe and remove code + */ + +int __devinit auok190x_common_probe(struct platform_device *pdev, + struct auok190x_init_data *init) +{ + struct auok190x_board *board = init->board; + struct auok190xfb_par *par; + struct fb_info *info; + struct panel_info *panel; + int videomemorysize, ret; + unsigned char *videomemory; + + /* check board contents */ + if (!board->init || !board->cleanup || !board->wait_for_rdy + || !board->set_ctl || !board->set_hdb || !board->get_hdb + || !board->setup_irq) + return -EINVAL; + + info = framebuffer_alloc(sizeof(struct auok190xfb_par), &pdev->dev); + if (!info) + return -ENOMEM; + + par = info->par; + par->info = info; + par->board = board; + par->recover = auok190x_recover; + par->update_partial = init->update_partial; + par->update_all = init->update_all; + par->need_refresh = init->need_refresh; + par->init = init->init; + + /* init update modes */ + par->update_cnt = 0; + par->update_mode = -1; + par->last_mode = -1; + par->flash = 0; + + par->regulator = regulator_get(info->device, "vdd"); + if (IS_ERR(par->regulator)) { + ret = PTR_ERR(par->regulator); + dev_err(info->device, "Failed to get regulator: %d\n", ret); + goto err_reg; + } + + ret = board->init(par); + if (ret) { + dev_err(info->device, "board init failed, %d\n", ret); + goto err_board; + } + + ret = gpio_request(board->gpio_nsleep, "AUOK190x sleep"); + if (ret) { + dev_err(info->device, "could not request sleep gpio, %d\n", + ret); + goto err_gpio1; + } + + ret = gpio_direction_output(board->gpio_nsleep, 0); + if (ret) { + dev_err(info->device, "could not set sleep gpio, %d\n", ret); + goto err_gpio2; + } + + ret = gpio_request(board->gpio_nrst, "AUOK190x reset"); + if (ret) { + dev_err(info->device, "could not request reset gpio, %d\n", + ret); + goto err_gpio2; + } + + ret = gpio_direction_output(board->gpio_nrst, 0); + if (ret) { + dev_err(info->device, "could not set reset gpio, %d\n", ret); + goto err_gpio3; + } + + ret = auok190x_power(par, 1); + if (ret) { + dev_err(info->device, "could not power on the device, %d\n", + ret); + goto err_gpio3; + } + + mutex_init(&par->io_lock); + + init_waitqueue_head(&par->waitq); + + ret = par->board->setup_irq(par->info); + if (ret) { + dev_err(info->device, "could not setup ready-irq, %d\n", ret); + goto err_irq; + } + + /* wait for init to complete */ + par->board->wait_for_rdy(par); + + /* + * From here on the controller can talk to us + */ + + /* initialise fix, var, resolution and rotation */ + + strlcpy(info->fix.id, init->id, 16); + info->fix.type = FB_TYPE_PACKED_PIXELS; + info->fix.visual = FB_VISUAL_STATIC_PSEUDOCOLOR; + info->fix.xpanstep = 0; + info->fix.ypanstep = 0; + info->fix.ywrapstep = 0; + info->fix.accel = FB_ACCEL_NONE; + + info->var.bits_per_pixel = 8; + info->var.grayscale = 1; + info->var.red.length = 8; + info->var.green.length = 8; + info->var.blue.length = 8; + + panel = &panel_table[board->resolution]; + + /* if 90 degree rotation, switch width and height */ + if (board->rotation & 1) { + info->var.xres = panel->h; + info->var.yres = panel->w; + info->var.xres_virtual = panel->h; + info->var.yres_virtual = panel->w; + info->fix.line_length = panel->h; + } else { + info->var.xres = panel->w; + info->var.yres = panel->h; + info->var.xres_virtual = panel->w; + info->var.yres_virtual = panel->h; + info->fix.line_length = panel->w; + } + + par->resolution = board->resolution; + par->rotation = board->rotation; + + /* videomemory handling */ + + videomemorysize = roundup((panel->w * panel->h), PAGE_SIZE); + videomemory = vmalloc(videomemorysize); + if (!videomemory) { + ret = -ENOMEM; + goto err_irq; + } + + memset(videomemory, 0, videomemorysize); + info->screen_base = (char *)videomemory; + info->fix.smem_len = videomemorysize; + + info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB; + info->fbops = &auok190xfb_ops; + + /* deferred io init */ + + info->fbdefio = devm_kzalloc(info->device, + sizeof(struct fb_deferred_io), + GFP_KERNEL); + if (!info->fbdefio) { + dev_err(info->device, "Failed to allocate memory\n"); + ret = -ENOMEM; + goto err_defio; + } + + dev_dbg(info->device, "targetting %d frames per second\n", board->fps); + info->fbdefio->delay = HZ / board->fps; + info->fbdefio->first_io = auok190xfb_dpy_first_io, + info->fbdefio->deferred_io = auok190xfb_dpy_deferred_io, + fb_deferred_io_init(info); + + /* color map */ + + ret = fb_alloc_cmap(&info->cmap, 256, 0); + if (ret < 0) { + dev_err(info->device, "Failed to allocate colormap\n"); + goto err_cmap; + } + + /* controller init */ + + par->consecutive_threshold = 100; + par->init(par); + auok190x_identify(par); + + platform_set_drvdata(pdev, info); + + ret = register_framebuffer(info); + if (ret < 0) + goto err_regfb; + + ret = sysfs_create_group(&info->device->kobj, &auok190x_attr_group); + if (ret) + goto err_sysfs; + + dev_info(info->device, "fb%d: %dx%d using %dK of video memory\n", + info->node, info->var.xres, info->var.yres, + videomemorysize >> 10); + + /* increase autosuspend_delay when we use alternative methods + * for runtime_pm + */ + par->autosuspend_delay = (board->quirks & AUOK190X_QUIRK_STANDBYBROKEN) + ? 1000 : 200; + + pm_runtime_set_active(info->device); + pm_runtime_enable(info->device); + pm_runtime_set_autosuspend_delay(info->device, par->autosuspend_delay); + pm_runtime_use_autosuspend(info->device); + + return 0; + +err_sysfs: + unregister_framebuffer(info); +err_regfb: + fb_dealloc_cmap(&info->cmap); +err_cmap: + fb_deferred_io_cleanup(info); + kfree(info->fbdefio); +err_defio: + vfree((void *)info->screen_base); +err_irq: + auok190x_power(par, 0); +err_gpio3: + gpio_free(board->gpio_nrst); +err_gpio2: + gpio_free(board->gpio_nsleep); +err_gpio1: + board->cleanup(par); +err_board: + regulator_put(par->regulator); +err_reg: + framebuffer_release(info); + + return ret; +} +EXPORT_SYMBOL_GPL(auok190x_common_probe); + +int __devexit auok190x_common_remove(struct platform_device *pdev) +{ + struct fb_info *info = platform_get_drvdata(pdev); + struct auok190xfb_par *par = info->par; + struct auok190x_board *board = par->board; + + pm_runtime_disable(info->device); + + sysfs_remove_group(&info->device->kobj, &auok190x_attr_group); + + unregister_framebuffer(info); + + fb_dealloc_cmap(&info->cmap); + + fb_deferred_io_cleanup(info); + kfree(info->fbdefio); + + vfree((void *)info->screen_base); + + auok190x_power(par, 0); + + gpio_free(board->gpio_nrst); + gpio_free(board->gpio_nsleep); + + board->cleanup(par); + + regulator_put(par->regulator); + + framebuffer_release(info); + + return 0; +} +EXPORT_SYMBOL_GPL(auok190x_common_remove); + +MODULE_DESCRIPTION("Common code for AUO-K190X controllers"); +MODULE_AUTHOR("Heiko Stuebner <heiko@sntech.de>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/auo_k190x.h b/drivers/video/auo_k190x.h new file mode 100644 index 000000000000..e35af1f51b28 --- /dev/null +++ b/drivers/video/auo_k190x.h @@ -0,0 +1,129 @@ +/* + * Private common definitions for AUO-K190X framebuffer drivers + * + * Copyright (C) 2012 Heiko Stuebner <heiko@sntech.de> + * + * 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. + */ + +/* + * I80 interface specific defines + */ + +#define AUOK190X_I80_CS 0x01 +#define AUOK190X_I80_DC 0x02 +#define AUOK190X_I80_WR 0x03 +#define AUOK190X_I80_OE 0x04 + +/* + * AUOK190x commands, common to both controllers + */ + +#define AUOK190X_CMD_INIT 0x0000 +#define AUOK190X_CMD_STANDBY 0x0001 +#define AUOK190X_CMD_WAKEUP 0x0002 +#define AUOK190X_CMD_TCON_RESET 0x0003 +#define AUOK190X_CMD_DATA_STOP 0x1002 +#define AUOK190X_CMD_LUT_START 0x1003 +#define AUOK190X_CMD_DISP_REFRESH 0x1004 +#define AUOK190X_CMD_DISP_RESET 0x1005 +#define AUOK190X_CMD_PRE_DISPLAY_START 0x100D +#define AUOK190X_CMD_PRE_DISPLAY_STOP 0x100F +#define AUOK190X_CMD_FLASH_W 0x2000 +#define AUOK190X_CMD_FLASH_E 0x2001 +#define AUOK190X_CMD_FLASH_STS 0x2002 +#define AUOK190X_CMD_FRAMERATE 0x3000 +#define AUOK190X_CMD_READ_VERSION 0x4000 +#define AUOK190X_CMD_READ_STATUS 0x4001 +#define AUOK190X_CMD_READ_LUT 0x4003 +#define AUOK190X_CMD_DRIVERTIMING 0x5000 +#define AUOK190X_CMD_LBALANCE 0x5001 +#define AUOK190X_CMD_AGINGMODE 0x6000 +#define AUOK190X_CMD_AGINGEXIT 0x6001 + +/* + * Common settings for AUOK190X_CMD_INIT + */ + +#define AUOK190X_INIT_DATA_FILTER (0 << 12) +#define AUOK190X_INIT_DATA_BYPASS (1 << 12) +#define AUOK190X_INIT_INVERSE_WHITE (0 << 9) +#define AUOK190X_INIT_INVERSE_BLACK (1 << 9) +#define AUOK190X_INIT_SCAN_DOWN (0 << 1) +#define AUOK190X_INIT_SCAN_UP (1 << 1) +#define AUOK190X_INIT_SHIFT_LEFT (0 << 0) +#define AUOK190X_INIT_SHIFT_RIGHT (1 << 0) + +/* Common bits to pixels + * Mode 15-12 11-8 7-4 3-0 + * format0 4 3 2 1 + * format1 3 4 1 2 + */ + +#define AUOK190X_INIT_FORMAT0 0 +#define AUOK190X_INIT_FORMAT1 (1 << 6) + +/* + * settings for AUOK190X_CMD_RESET + */ + +#define AUOK190X_RESET_TCON (0 << 0) +#define AUOK190X_RESET_NORMAL (1 << 0) +#define AUOK190X_RESET_PON (1 << 1) + +/* + * AUOK190X_CMD_VERSION + */ + +#define AUOK190X_VERSION_TEMP_MASK (0x1ff) +#define AUOK190X_VERSION_EPD_MASK (0xff) +#define AUOK190X_VERSION_SIZE_INT(_val) ((_val & 0xfc00) >> 10) +#define AUOK190X_VERSION_SIZE_FLOAT(_val) ((_val & 0x3c0) >> 6) +#define AUOK190X_VERSION_MODEL(_val) (_val & 0x3f) +#define AUOK190X_VERSION_LUT(_val) (_val & 0xff) +#define AUOK190X_VERSION_TCON(_val) ((_val & 0xff00) >> 8) + +/* + * update modes for CMD_PARTIALDISP on K1900 and CMD_DDMA on K1901 + */ + +#define AUOK190X_UPDATE_MODE(_res) ((_res & 0x7) << 12) +#define AUOK190X_UPDATE_NONFLASH (1 << 15) + +/* + * track panel specific parameters for common init + */ + +struct auok190x_init_data { + char *id; + struct auok190x_board *board; + + void (*update_partial)(struct auok190xfb_par *par, u16 y1, u16 y2); + void (*update_all)(struct auok190xfb_par *par); + bool (*need_refresh)(struct auok190xfb_par *par); + void (*init)(struct auok190xfb_par *par); +}; + + +extern void auok190x_send_command_nowait(struct auok190xfb_par *par, u16 data); +extern int auok190x_send_command(struct auok190xfb_par *par, u16 data); +extern void auok190x_send_cmdargs_nowait(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv); +extern int auok190x_send_cmdargs(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv); +extern void auok190x_send_cmdargs_pixels_nowait(struct auok190xfb_par *par, + u16 cmd, int argc, u16 *argv, + int size, u16 *data); +extern int auok190x_send_cmdargs_pixels(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv, int size, + u16 *data); +extern int auok190x_read_cmdargs(struct auok190xfb_par *par, u16 cmd, + int argc, u16 *argv); + +extern int auok190x_common_probe(struct platform_device *pdev, + struct auok190x_init_data *init); +extern int auok190x_common_remove(struct platform_device *pdev); + +extern const struct dev_pm_ops auok190x_pm; diff --git a/drivers/video/bfin_adv7393fb.c b/drivers/video/bfin_adv7393fb.c index 1a268a294478..33ea874c87d2 100644 --- a/drivers/video/bfin_adv7393fb.c +++ b/drivers/video/bfin_adv7393fb.c @@ -414,14 +414,14 @@ static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client, if (ret) { dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n"); ret = -EBUSY; - goto out_8; + goto free_fbdev; } } if (peripheral_request_list(ppi_pins, DRIVER_NAME)) { dev_err(&client->dev, "requesting PPI peripheral failed\n"); ret = -EFAULT; - goto out_8; + goto free_gpio; } fbdev->fb_mem = @@ -432,7 +432,7 @@ static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client, dev_err(&client->dev, "couldn't allocate dma buffer (%d bytes)\n", (u32) fbdev->fb_len); ret = -ENOMEM; - goto out_7; + goto free_ppi_pins; } fbdev->info.screen_base = (void *)fbdev->fb_mem; @@ -464,27 +464,27 @@ static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client, if (!fbdev->info.pseudo_palette) { dev_err(&client->dev, "failed to allocate pseudo_palette\n"); ret = -ENOMEM; - goto out_6; + goto free_fb_mem; } if (fb_alloc_cmap(&fbdev->info.cmap, BFIN_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { dev_err(&client->dev, "failed to allocate colormap (%d entries)\n", BFIN_LCD_NBR_PALETTE_ENTRIES); ret = -EFAULT; - goto out_5; + goto free_palette; } if (request_dma(CH_PPI, "BF5xx_PPI_DMA") < 0) { dev_err(&client->dev, "unable to request PPI DMA\n"); ret = -EFAULT; - goto out_4; + goto free_cmap; } if (request_irq(IRQ_PPI_ERROR, ppi_irq_error, 0, "PPI ERROR", fbdev) < 0) { dev_err(&client->dev, "unable to request PPI ERROR IRQ\n"); ret = -EFAULT; - goto out_3; + goto free_ch_ppi; } fbdev->open = 0; @@ -494,14 +494,14 @@ static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client, if (ret) { dev_err(&client->dev, "i2c attach: init error\n"); - goto out_1; + goto free_irq_ppi; } if (register_framebuffer(&fbdev->info) < 0) { dev_err(&client->dev, "unable to register framebuffer\n"); ret = -EFAULT; - goto out_1; + goto free_irq_ppi; } dev_info(&client->dev, "fb%d: %s frame buffer device\n", @@ -512,7 +512,7 @@ static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client, if (!entry) { dev_err(&client->dev, "unable to create /proc entry\n"); ret = -EFAULT; - goto out_0; + goto free_fb; } entry->read_proc = adv7393_read_proc; @@ -521,22 +521,25 @@ static int __devinit bfin_adv7393_fb_probe(struct i2c_client *client, return 0; - out_0: +free_fb: unregister_framebuffer(&fbdev->info); - out_1: +free_irq_ppi: free_irq(IRQ_PPI_ERROR, fbdev); - out_3: +free_ch_ppi: free_dma(CH_PPI); - out_4: - dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem, - fbdev->dma_handle); - out_5: +free_cmap: fb_dealloc_cmap(&fbdev->info.cmap); - out_6: +free_palette: kfree(fbdev->info.pseudo_palette); - out_7: +free_fb_mem: + dma_free_coherent(NULL, fbdev->fb_len, fbdev->fb_mem, + fbdev->dma_handle); +free_ppi_pins: peripheral_free_list(ppi_pins); - out_8: +free_gpio: + if (ANOMALY_05000400) + gpio_free(P_IDENT(P_PPI0_FS3)); +free_fbdev: kfree(fbdev); return ret; diff --git a/drivers/video/cobalt_lcdfb.c b/drivers/video/cobalt_lcdfb.c index f56699d8122a..eae46f6457e2 100644 --- a/drivers/video/cobalt_lcdfb.c +++ b/drivers/video/cobalt_lcdfb.c @@ -1,7 +1,8 @@ /* - * Cobalt server LCD frame buffer driver. + * Cobalt/SEAD3 LCD frame buffer driver. * * Copyright (C) 2008 Yoichi Yuasa <yuasa@linux-mips.org> + * Copyright (C) 2012 MIPS Technologies, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -62,6 +63,7 @@ #define LCD_CUR_POS(x) ((x) & LCD_CUR_POS_MASK) #define LCD_TEXT_POS(x) ((x) | LCD_TEXT_MODE) +#ifdef CONFIG_MIPS_COBALT static inline void lcd_write_control(struct fb_info *info, u8 control) { writel((u32)control << 24, info->screen_base); @@ -81,6 +83,47 @@ static inline u8 lcd_read_data(struct fb_info *info) { return readl(info->screen_base + LCD_DATA_REG_OFFSET) >> 24; } +#else + +#define LCD_CTL 0x00 +#define LCD_DATA 0x08 +#define CPLD_STATUS 0x10 +#define CPLD_DATA 0x18 + +static inline void cpld_wait(struct fb_info *info) +{ + do { + } while (readl(info->screen_base + CPLD_STATUS) & 1); +} + +static inline void lcd_write_control(struct fb_info *info, u8 control) +{ + cpld_wait(info); + writel(control, info->screen_base + LCD_CTL); +} + +static inline u8 lcd_read_control(struct fb_info *info) +{ + cpld_wait(info); + readl(info->screen_base + LCD_CTL); + cpld_wait(info); + return readl(info->screen_base + CPLD_DATA) & 0xff; +} + +static inline void lcd_write_data(struct fb_info *info, u8 data) +{ + cpld_wait(info); + writel(data, info->screen_base + LCD_DATA); +} + +static inline u8 lcd_read_data(struct fb_info *info) +{ + cpld_wait(info); + readl(info->screen_base + LCD_DATA); + cpld_wait(info); + return readl(info->screen_base + CPLD_DATA) & 0xff; +} +#endif static int lcd_busy_wait(struct fb_info *info) { diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c index f8babbeee275..345d96230978 100644 --- a/drivers/video/ep93xx-fb.c +++ b/drivers/video/ep93xx-fb.c @@ -507,16 +507,16 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev) err = fb_alloc_cmap(&info->cmap, 256, 0); if (err) - goto failed; + goto failed_cmap; err = ep93xxfb_alloc_videomem(info); if (err) - goto failed; + goto failed_videomem; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { err = -ENXIO; - goto failed; + goto failed_resource; } /* @@ -532,7 +532,7 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev) fbi->mmio_base = ioremap(res->start, resource_size(res)); if (!fbi->mmio_base) { err = -ENXIO; - goto failed; + goto failed_resource; } strcpy(info->fix.id, pdev->name); @@ -553,24 +553,24 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev) if (err == 0) { dev_err(info->dev, "No suitable video mode found\n"); err = -EINVAL; - goto failed; + goto failed_mode; } if (mach_info->setup) { err = mach_info->setup(pdev); if (err) - return err; + goto failed_mode; } err = ep93xxfb_check_var(&info->var, info); if (err) - goto failed; + goto failed_check; fbi->clk = clk_get(info->dev, NULL); if (IS_ERR(fbi->clk)) { err = PTR_ERR(fbi->clk); fbi->clk = NULL; - goto failed; + goto failed_check; } ep93xxfb_set_par(info); @@ -585,15 +585,17 @@ static int __devinit ep93xxfb_probe(struct platform_device *pdev) return 0; failed: - if (fbi->clk) - clk_put(fbi->clk); - if (fbi->mmio_base) - iounmap(fbi->mmio_base); - ep93xxfb_dealloc_videomem(info); - if (&info->cmap) - fb_dealloc_cmap(&info->cmap); + clk_put(fbi->clk); +failed_check: if (fbi->mach_info->teardown) fbi->mach_info->teardown(pdev); +failed_mode: + iounmap(fbi->mmio_base); +failed_resource: + ep93xxfb_dealloc_videomem(info); +failed_videomem: + fb_dealloc_cmap(&info->cmap); +failed_cmap: kfree(info); platform_set_drvdata(pdev, NULL); diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c index 2a4481cf260c..a36b2d28280e 100644 --- a/drivers/video/exynos/exynos_dp_core.c +++ b/drivers/video/exynos/exynos_dp_core.c @@ -21,14 +21,14 @@ #include <video/exynos_dp.h> -#include <plat/cpu.h> - #include "exynos_dp_core.h" static int exynos_dp_init_dp(struct exynos_dp_device *dp) { exynos_dp_reset(dp); + exynos_dp_swreset(dp); + /* SW defined function Normal operation */ exynos_dp_enable_sw_function(dp); @@ -478,7 +478,7 @@ static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp) int lane_count; u8 buf[5]; - u8 *adjust_request; + u8 adjust_request[2]; u8 voltage_swing; u8 pre_emphasis; u8 training_lane; @@ -493,8 +493,8 @@ static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp) /* set training pattern 2 for EQ */ exynos_dp_set_training_pattern(dp, TRAINING_PTN2); - adjust_request = link_status + (DPCD_ADDR_ADJUST_REQUEST_LANE0_1 - - DPCD_ADDR_LANE0_1_STATUS); + adjust_request[0] = link_status[4]; + adjust_request[1] = link_status[5]; exynos_dp_get_adjust_train(dp, adjust_request); @@ -566,7 +566,7 @@ static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp) u8 buf[5]; u32 reg; - u8 *adjust_request; + u8 adjust_request[2]; udelay(400); @@ -575,8 +575,8 @@ static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp) lane_count = dp->link_train.lane_count; if (exynos_dp_clock_recovery_ok(link_status, lane_count) == 0) { - adjust_request = link_status + (DPCD_ADDR_ADJUST_REQUEST_LANE0_1 - - DPCD_ADDR_LANE0_1_STATUS); + adjust_request[0] = link_status[4]; + adjust_request[1] = link_status[5]; if (exynos_dp_channel_eq_ok(link_status, lane_count) == 0) { /* traing pattern Set to Normal */ @@ -770,7 +770,7 @@ static int exynos_dp_config_video(struct exynos_dp_device *dp, return -ETIMEDOUT; } - mdelay(100); + udelay(1); } /* Set to use the register calculated M/N video */ @@ -804,7 +804,7 @@ static int exynos_dp_config_video(struct exynos_dp_device *dp, return -ETIMEDOUT; } - mdelay(100); + mdelay(1); } if (retval != 0) @@ -860,7 +860,8 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev) return -EINVAL; } - dp = kzalloc(sizeof(struct exynos_dp_device), GFP_KERNEL); + dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device), + GFP_KERNEL); if (!dp) { dev_err(&pdev->dev, "no memory for device data\n"); return -ENOMEM; @@ -871,8 +872,7 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev) dp->clock = clk_get(&pdev->dev, "dp"); if (IS_ERR(dp->clock)) { dev_err(&pdev->dev, "failed to get clock\n"); - ret = PTR_ERR(dp->clock); - goto err_dp; + return PTR_ERR(dp->clock); } clk_enable(dp->clock); @@ -884,35 +884,25 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev) goto err_clock; } - res = request_mem_region(res->start, resource_size(res), - dev_name(&pdev->dev)); - if (!res) { - dev_err(&pdev->dev, "failed to request registers region\n"); - ret = -EINVAL; - goto err_clock; - } - - dp->res = res; - - dp->reg_base = ioremap(res->start, resource_size(res)); + dp->reg_base = devm_request_and_ioremap(&pdev->dev, res); if (!dp->reg_base) { dev_err(&pdev->dev, "failed to ioremap\n"); ret = -ENOMEM; - goto err_req_region; + goto err_clock; } dp->irq = platform_get_irq(pdev, 0); if (!dp->irq) { dev_err(&pdev->dev, "failed to get irq\n"); ret = -ENODEV; - goto err_ioremap; + goto err_clock; } - ret = request_irq(dp->irq, exynos_dp_irq_handler, 0, - "exynos-dp", dp); + ret = devm_request_irq(&pdev->dev, dp->irq, exynos_dp_irq_handler, 0, + "exynos-dp", dp); if (ret) { dev_err(&pdev->dev, "failed to request irq\n"); - goto err_ioremap; + goto err_clock; } dp->video_info = pdata->video_info; @@ -924,7 +914,7 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev) ret = exynos_dp_detect_hpd(dp); if (ret) { dev_err(&pdev->dev, "unable to detect hpd\n"); - goto err_irq; + goto err_clock; } exynos_dp_handle_edid(dp); @@ -933,7 +923,7 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev) dp->video_info->link_rate); if (ret) { dev_err(&pdev->dev, "unable to do link train\n"); - goto err_irq; + goto err_clock; } exynos_dp_enable_scramble(dp, 1); @@ -947,23 +937,15 @@ static int __devinit exynos_dp_probe(struct platform_device *pdev) ret = exynos_dp_config_video(dp, dp->video_info); if (ret) { dev_err(&pdev->dev, "unable to config video\n"); - goto err_irq; + goto err_clock; } platform_set_drvdata(pdev, dp); return 0; -err_irq: - free_irq(dp->irq, dp); -err_ioremap: - iounmap(dp->reg_base); -err_req_region: - release_mem_region(res->start, resource_size(res)); err_clock: clk_put(dp->clock); -err_dp: - kfree(dp); return ret; } @@ -976,16 +958,9 @@ static int __devexit exynos_dp_remove(struct platform_device *pdev) if (pdata && pdata->phy_exit) pdata->phy_exit(); - free_irq(dp->irq, dp); - iounmap(dp->reg_base); - clk_disable(dp->clock); clk_put(dp->clock); - release_mem_region(dp->res->start, resource_size(dp->res)); - - kfree(dp); - return 0; } diff --git a/drivers/video/exynos/exynos_dp_core.h b/drivers/video/exynos/exynos_dp_core.h index 90ceaca0fa24..1e0f998e0c9f 100644 --- a/drivers/video/exynos/exynos_dp_core.h +++ b/drivers/video/exynos/exynos_dp_core.h @@ -26,7 +26,6 @@ struct link_train { struct exynos_dp_device { struct device *dev; - struct resource *res; struct clk *clock; unsigned int irq; void __iomem *reg_base; @@ -39,8 +38,10 @@ struct exynos_dp_device { void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable); void exynos_dp_stop_video(struct exynos_dp_device *dp); void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable); +void exynos_dp_init_analog_param(struct exynos_dp_device *dp); void exynos_dp_init_interrupt(struct exynos_dp_device *dp); void exynos_dp_reset(struct exynos_dp_device *dp); +void exynos_dp_swreset(struct exynos_dp_device *dp); void exynos_dp_config_interrupt(struct exynos_dp_device *dp); u32 exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp); void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable); diff --git a/drivers/video/exynos/exynos_dp_reg.c b/drivers/video/exynos/exynos_dp_reg.c index 6548afa0e3d2..6ce76d56c3a1 100644 --- a/drivers/video/exynos/exynos_dp_reg.c +++ b/drivers/video/exynos/exynos_dp_reg.c @@ -16,8 +16,6 @@ #include <video/exynos_dp.h> -#include <plat/cpu.h> - #include "exynos_dp_core.h" #include "exynos_dp_reg.h" @@ -65,6 +63,28 @@ void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable) writel(reg, dp->reg_base + EXYNOS_DP_LANE_MAP); } +void exynos_dp_init_analog_param(struct exynos_dp_device *dp) +{ + u32 reg; + + reg = TX_TERMINAL_CTRL_50_OHM; + writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_1); + + reg = SEL_24M | TX_DVDD_BIT_1_0625V; + writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_2); + + reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO; + writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_3); + + reg = PD_RING_OSC | AUX_TERMINAL_CTRL_50_OHM | + TX_CUR1_2X | TX_CUR_8_MA; + writel(reg, dp->reg_base + EXYNOS_DP_PLL_FILTER_CTL_1); + + reg = CH3_AMP_400_MV | CH2_AMP_400_MV | + CH1_AMP_400_MV | CH0_AMP_400_MV; + writel(reg, dp->reg_base + EXYNOS_DP_TX_AMP_TUNING_CTL); +} + void exynos_dp_init_interrupt(struct exynos_dp_device *dp) { /* Set interrupt pin assertion polarity as high */ @@ -89,8 +109,6 @@ void exynos_dp_reset(struct exynos_dp_device *dp) { u32 reg; - writel(RESET_DP_TX, dp->reg_base + EXYNOS_DP_TX_SW_RESET); - exynos_dp_stop_video(dp); exynos_dp_enable_video_mute(dp, 0); @@ -131,9 +149,15 @@ void exynos_dp_reset(struct exynos_dp_device *dp) writel(0x00000101, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL); + exynos_dp_init_analog_param(dp); exynos_dp_init_interrupt(dp); } +void exynos_dp_swreset(struct exynos_dp_device *dp) +{ + writel(RESET_DP_TX, dp->reg_base + EXYNOS_DP_TX_SW_RESET); +} + void exynos_dp_config_interrupt(struct exynos_dp_device *dp) { u32 reg; @@ -271,6 +295,7 @@ void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp, void exynos_dp_init_analog_func(struct exynos_dp_device *dp) { u32 reg; + int timeout_loop = 0; exynos_dp_set_analog_power_down(dp, POWER_ALL, 0); @@ -282,9 +307,19 @@ void exynos_dp_init_analog_func(struct exynos_dp_device *dp) writel(reg, dp->reg_base + EXYNOS_DP_DEBUG_CTL); /* Power up PLL */ - if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) + if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) { exynos_dp_set_pll_power_down(dp, 0); + while (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) { + timeout_loop++; + if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) { + dev_err(dp->dev, "failed to get pll lock status\n"); + return; + } + usleep_range(10, 20); + } + } + /* Enable Serdes FIFO function and Link symbol clock domain module */ reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2); reg &= ~(SERDES_FIFO_FUNC_EN_N | LS_CLK_DOMAIN_FUNC_EN_N diff --git a/drivers/video/exynos/exynos_dp_reg.h b/drivers/video/exynos/exynos_dp_reg.h index 42f608e2a43e..125b27cd57ae 100644 --- a/drivers/video/exynos/exynos_dp_reg.h +++ b/drivers/video/exynos/exynos_dp_reg.h @@ -24,6 +24,12 @@ #define EXYNOS_DP_LANE_MAP 0x35C +#define EXYNOS_DP_ANALOG_CTL_1 0x370 +#define EXYNOS_DP_ANALOG_CTL_2 0x374 +#define EXYNOS_DP_ANALOG_CTL_3 0x378 +#define EXYNOS_DP_PLL_FILTER_CTL_1 0x37C +#define EXYNOS_DP_TX_AMP_TUNING_CTL 0x380 + #define EXYNOS_DP_AUX_HW_RETRY_CTL 0x390 #define EXYNOS_DP_COMMON_INT_STA_1 0x3C4 @@ -166,6 +172,29 @@ #define LANE0_MAP_LOGIC_LANE_2 (0x2 << 0) #define LANE0_MAP_LOGIC_LANE_3 (0x3 << 0) +/* EXYNOS_DP_ANALOG_CTL_1 */ +#define TX_TERMINAL_CTRL_50_OHM (0x1 << 4) + +/* EXYNOS_DP_ANALOG_CTL_2 */ +#define SEL_24M (0x1 << 3) +#define TX_DVDD_BIT_1_0625V (0x4 << 0) + +/* EXYNOS_DP_ANALOG_CTL_3 */ +#define DRIVE_DVDD_BIT_1_0625V (0x4 << 5) +#define VCO_BIT_600_MICRO (0x5 << 0) + +/* EXYNOS_DP_PLL_FILTER_CTL_1 */ +#define PD_RING_OSC (0x1 << 6) +#define AUX_TERMINAL_CTRL_50_OHM (0x2 << 4) +#define TX_CUR1_2X (0x1 << 2) +#define TX_CUR_8_MA (0x2 << 0) + +/* EXYNOS_DP_TX_AMP_TUNING_CTL */ +#define CH3_AMP_400_MV (0x0 << 24) +#define CH2_AMP_400_MV (0x0 << 16) +#define CH1_AMP_400_MV (0x0 << 8) +#define CH0_AMP_400_MV (0x0 << 0) + /* EXYNOS_DP_AUX_HW_RETRY_CTL */ #define AUX_BIT_PERIOD_EXPECTED_DELAY(x) (((x) & 0x7) << 8) #define AUX_HW_RETRY_INTERVAL_MASK (0x3 << 3) diff --git a/drivers/video/exynos/exynos_mipi_dsi.c b/drivers/video/exynos/exynos_mipi_dsi.c index 557091dc0e97..6c1f5c314a42 100644 --- a/drivers/video/exynos/exynos_mipi_dsi.c +++ b/drivers/video/exynos/exynos_mipi_dsi.c @@ -58,7 +58,7 @@ static struct mipi_dsim_platform_data *to_dsim_plat(struct platform_device } static struct regulator_bulk_data supplies[] = { - { .supply = "vdd10", }, + { .supply = "vdd11", }, { .supply = "vdd18", }, }; @@ -102,6 +102,8 @@ static void exynos_mipi_update_cfg(struct mipi_dsim_device *dsim) /* set display timing. */ exynos_mipi_dsi_set_display_mode(dsim, dsim->dsim_config); + exynos_mipi_dsi_init_interrupt(dsim); + /* * data from Display controller(FIMD) is transferred in video mode * but in case of command mode, all settigs is updated to registers. @@ -413,27 +415,30 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev) goto err_platform_get_irq; } + init_completion(&dsim_wr_comp); + init_completion(&dsim_rd_comp); + platform_set_drvdata(pdev, dsim); + ret = request_irq(dsim->irq, exynos_mipi_dsi_interrupt_handler, - IRQF_SHARED, pdev->name, dsim); + IRQF_SHARED, dev_name(&pdev->dev), dsim); if (ret != 0) { dev_err(&pdev->dev, "failed to request dsim irq\n"); ret = -EINVAL; goto err_bind; } - init_completion(&dsim_wr_comp); - init_completion(&dsim_rd_comp); - - /* enable interrupt */ + /* enable interrupts */ exynos_mipi_dsi_init_interrupt(dsim); /* initialize mipi-dsi client(lcd panel). */ if (dsim_ddi->dsim_lcd_drv && dsim_ddi->dsim_lcd_drv->probe) dsim_ddi->dsim_lcd_drv->probe(dsim_ddi->dsim_lcd_dev); - /* in case that mipi got enabled at bootloader. */ - if (dsim_pd->enabled) - goto out; + /* in case mipi-dsi has been enabled by bootloader */ + if (dsim_pd->enabled) { + exynos_mipi_regulator_enable(dsim); + goto done; + } /* lcd panel power on. */ if (dsim_ddi->dsim_lcd_drv && dsim_ddi->dsim_lcd_drv->power_on) @@ -453,12 +458,11 @@ static int exynos_mipi_dsi_probe(struct platform_device *pdev) dsim->suspended = false; -out: +done: platform_set_drvdata(pdev, dsim); - dev_dbg(&pdev->dev, "mipi-dsi driver(%s mode) has been probed.\n", - (dsim_config->e_interface == DSIM_COMMAND) ? - "CPU" : "RGB"); + dev_dbg(&pdev->dev, "%s() completed sucessfuly (%s mode)\n", __func__, + dsim_config->e_interface == DSIM_COMMAND ? "CPU" : "RGB"); return 0; @@ -515,10 +519,10 @@ static int __devexit exynos_mipi_dsi_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int exynos_mipi_dsi_suspend(struct platform_device *pdev, - pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int exynos_mipi_dsi_suspend(struct device *dev) { + struct platform_device *pdev = to_platform_device(dev); struct mipi_dsim_device *dsim = platform_get_drvdata(pdev); struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv; struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev; @@ -544,8 +548,9 @@ static int exynos_mipi_dsi_suspend(struct platform_device *pdev, return 0; } -static int exynos_mipi_dsi_resume(struct platform_device *pdev) +static int exynos_mipi_dsi_resume(struct device *dev) { + struct platform_device *pdev = to_platform_device(dev); struct mipi_dsim_device *dsim = platform_get_drvdata(pdev); struct mipi_dsim_lcd_driver *client_drv = dsim->dsim_lcd_drv; struct mipi_dsim_lcd_device *client_dev = dsim->dsim_lcd_dev; @@ -577,19 +582,19 @@ static int exynos_mipi_dsi_resume(struct platform_device *pdev) return 0; } -#else -#define exynos_mipi_dsi_suspend NULL -#define exynos_mipi_dsi_resume NULL #endif +static const struct dev_pm_ops exynos_mipi_dsi_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(exynos_mipi_dsi_suspend, exynos_mipi_dsi_resume) +}; + static struct platform_driver exynos_mipi_dsi_driver = { .probe = exynos_mipi_dsi_probe, .remove = __devexit_p(exynos_mipi_dsi_remove), - .suspend = exynos_mipi_dsi_suspend, - .resume = exynos_mipi_dsi_resume, .driver = { .name = "exynos-mipi-dsim", .owner = THIS_MODULE, + .pm = &exynos_mipi_dsi_pm_ops, }, }; diff --git a/drivers/video/exynos/exynos_mipi_dsi_common.c b/drivers/video/exynos/exynos_mipi_dsi_common.c index 14909c1d3832..47b533a183be 100644 --- a/drivers/video/exynos/exynos_mipi_dsi_common.c +++ b/drivers/video/exynos/exynos_mipi_dsi_common.c @@ -76,33 +76,25 @@ static unsigned int dpll_table[15] = { irqreturn_t exynos_mipi_dsi_interrupt_handler(int irq, void *dev_id) { - unsigned int intsrc = 0; - unsigned int intmsk = 0; - struct mipi_dsim_device *dsim = NULL; - - dsim = dev_id; - if (!dsim) { - dev_dbg(dsim->dev, KERN_ERR "%s:error: wrong parameter\n", - __func__); - return IRQ_HANDLED; + struct mipi_dsim_device *dsim = dev_id; + unsigned int intsrc, intmsk; + + if (dsim == NULL) { + dev_err(dsim->dev, "%s: wrong parameter\n", __func__); + return IRQ_NONE; } intsrc = exynos_mipi_dsi_read_interrupt(dsim); intmsk = exynos_mipi_dsi_read_interrupt_mask(dsim); + intmsk = ~intmsk & intsrc; - intmsk = ~(intmsk) & intsrc; - - switch (intmsk) { - case INTMSK_RX_DONE: + if (intsrc & INTMSK_RX_DONE) { complete(&dsim_rd_comp); dev_dbg(dsim->dev, "MIPI INTMSK_RX_DONE\n"); - break; - case INTMSK_FIFO_EMPTY: + } + if (intsrc & INTMSK_FIFO_EMPTY) { complete(&dsim_wr_comp); dev_dbg(dsim->dev, "MIPI INTMSK_FIFO_EMPTY\n"); - break; - default: - break; } exynos_mipi_dsi_clear_interrupt(dsim, intmsk); @@ -738,11 +730,11 @@ int exynos_mipi_dsi_set_display_mode(struct mipi_dsim_device *dsim, if (dsim_config->auto_vertical_cnt == 0) { exynos_mipi_dsi_set_main_disp_vporch(dsim, dsim_config->cmd_allow, - timing->upper_margin, - timing->lower_margin); + timing->lower_margin, + timing->upper_margin); exynos_mipi_dsi_set_main_disp_hporch(dsim, - timing->left_margin, - timing->right_margin); + timing->right_margin, + timing->left_margin); exynos_mipi_dsi_set_main_disp_sync_area(dsim, timing->vsync_len, timing->hsync_len); diff --git a/drivers/video/exynos/s6e8ax0.c b/drivers/video/exynos/s6e8ax0.c index 4aa9ac6218bf..05d080b63bc0 100644 --- a/drivers/video/exynos/s6e8ax0.c +++ b/drivers/video/exynos/s6e8ax0.c @@ -293,9 +293,20 @@ static void s6e8ax0_panel_cond(struct s6e8ax0 *lcd) 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0, 0xc8, 0x08, 0x48, 0xc1, 0x00, 0xc1, 0xff, 0xff, 0xc8 }; + static const unsigned char data_to_send_panel_reverse[] = { + 0xf8, 0x19, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, 0x3c, 0x7d, + 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, 0x00, 0x20, 0x04, 0x08, + 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0, + 0xc1, 0x01, 0x41, 0xc1, 0x00, 0xc1, 0xf6, 0xf6, 0xc1 + }; - ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, - data_to_send, ARRAY_SIZE(data_to_send)); + if (lcd->dsim_dev->panel_reverse) + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send_panel_reverse, + ARRAY_SIZE(data_to_send_panel_reverse)); + else + ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, + data_to_send, ARRAY_SIZE(data_to_send)); } static void s6e8ax0_display_cond(struct s6e8ax0 *lcd) diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c index c27e153d8882..1ddeb11659d4 100644 --- a/drivers/video/fb_defio.c +++ b/drivers/video/fb_defio.c @@ -23,7 +23,7 @@ #include <linux/rmap.h> #include <linux/pagemap.h> -struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs) +static struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs) { void *screen_base = (void __force *) info->screen_base; struct page *page; @@ -107,6 +107,10 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma, /* protect against the workqueue changing the page list */ mutex_lock(&fbdefio->lock); + /* first write in this cycle, notify the driver */ + if (fbdefio->first_io && list_empty(&fbdefio->pagelist)) + fbdefio->first_io(info); + /* * We want the page to remain locked from ->page_mkwrite until * the PTE is marked dirty to avoid page_mkclean() being called diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index 67afa9c2289d..a55e3669d135 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -80,6 +80,8 @@ EXPORT_SYMBOL(framebuffer_alloc); */ void framebuffer_release(struct fb_info *info) { + if (!info) + return; kfree(info->apertures); kfree(info); } diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index 6af3f16754f0..458c00664ade 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -834,7 +834,6 @@ static void update_lcdc(struct fb_info *info) diu_ops.set_pixel_clock(var->pixclock); out_be32(&hw->syn_pol, 0); /* SYNC SIGNALS POLARITY */ - out_be32(&hw->thresholds, 0x00037800); /* The Thresholds */ out_be32(&hw->int_status, 0); /* INTERRUPT STATUS */ out_be32(&hw->plut, 0x01F5F666); diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index 02fd2263610c..bdcbfbae2777 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -680,6 +680,7 @@ static int __devinit intelfb_pci_register(struct pci_dev *pdev, + dinfo->fb.size); if (!dinfo->aperture.virtual) { ERR_MSG("Cannot remap FB region.\n"); + agp_backend_release(bridge); cleanup(dinfo); return -ENODEV; } @@ -689,6 +690,7 @@ static int __devinit intelfb_pci_register(struct pci_dev *pdev, INTEL_REG_SIZE); if (!dinfo->mmio_base) { ERR_MSG("Cannot remap MMIO region.\n"); + agp_backend_release(bridge); cleanup(dinfo); return -ENODEV; } diff --git a/drivers/video/mb862xx/mb862xx-i2c.c b/drivers/video/mb862xx/mb862xx-i2c.c index 273769bb8deb..c87e17afb3e2 100644 --- a/drivers/video/mb862xx/mb862xx-i2c.c +++ b/drivers/video/mb862xx/mb862xx-i2c.c @@ -68,7 +68,7 @@ static int mb862xx_i2c_read_byte(struct i2c_adapter *adap, u8 *byte, int last) return 1; } -void mb862xx_i2c_stop(struct i2c_adapter *adap) +static void mb862xx_i2c_stop(struct i2c_adapter *adap) { struct mb862xxfb_par *par = adap->algo_data; diff --git a/drivers/video/mb862xx/mb862xxfbdrv.c b/drivers/video/mb862xx/mb862xxfbdrv.c index 11a7a333701d..00ce1f34b496 100644 --- a/drivers/video/mb862xx/mb862xxfbdrv.c +++ b/drivers/video/mb862xx/mb862xxfbdrv.c @@ -579,7 +579,7 @@ static ssize_t mb862xxfb_show_dispregs(struct device *dev, static DEVICE_ATTR(dispregs, 0444, mb862xxfb_show_dispregs, NULL); -irqreturn_t mb862xx_intr(int irq, void *dev_id) +static irqreturn_t mb862xx_intr(int irq, void *dev_id) { struct mb862xxfb_par *par = (struct mb862xxfb_par *) dev_id; unsigned long reg_ist, mask; diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c index 55bf6196b7a0..ab0a8e527333 100644 --- a/drivers/video/mbx/mbxfb.c +++ b/drivers/video/mbx/mbxfb.c @@ -950,7 +950,7 @@ static int __devinit mbxfb_probe(struct platform_device *dev) mfbi->fb_virt_addr = ioremap_nocache(mfbi->fb_phys_addr, res_size(mfbi->fb_req)); - if (!mfbi->reg_virt_addr) { + if (!mfbi->fb_virt_addr) { dev_err(&dev->dev, "failed to ioremap frame buffer\n"); ret = -EINVAL; goto err4; diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 4a89f889852d..dcf29bf91939 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -880,6 +880,18 @@ static int __devexit mxsfb_remove(struct platform_device *pdev) return 0; } +static void mxsfb_shutdown(struct platform_device *pdev) +{ + struct fb_info *fb_info = platform_get_drvdata(pdev); + struct mxsfb_info *host = to_imxfb_host(fb_info); + + /* + * Force stop the LCD controller as keeping it running during reboot + * might interfere with the BootROM's boot mode pads sampling. + */ + writel(CTRL_RUN, host->base + LCDC_CTRL + REG_CLR); +} + static struct platform_device_id mxsfb_devtype[] = { { .name = "imx23-fb", @@ -896,6 +908,7 @@ MODULE_DEVICE_TABLE(platform, mxsfb_devtype); static struct platform_driver mxsfb_driver = { .probe = mxsfb_probe, .remove = __devexit_p(mxsfb_remove), + .shutdown = mxsfb_shutdown, .id_table = mxsfb_devtype, .driver = { .name = DRIVER_NAME, diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c index 1d71c08a818f..0b4ae0cebeda 100644 --- a/drivers/video/pxa3xx-gcu.c +++ b/drivers/video/pxa3xx-gcu.c @@ -316,12 +316,9 @@ pxa3xx_gcu_wait_idle(struct pxa3xx_gcu_priv *priv) ret = wait_event_interruptible_timeout(priv->wait_idle, !priv->shared->hw_running, HZ*4); - if (ret < 0) + if (ret != 0) break; - if (ret > 0) - continue; - if (gc_readl(priv, REG_GCRBEXHR) == rbexhr && priv->shared->num_interrupts == num) { QERROR("TIMEOUT"); diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c index f3105160bf98..5f9d8e69029e 100644 --- a/drivers/video/s3c-fb.c +++ b/drivers/video/s3c-fb.c @@ -47,7 +47,7 @@ #ifdef CONFIG_FB_S3C_DEBUG_REGWRITE #undef writel #define writel(v, r) do { \ - printk(KERN_DEBUG "%s: %08x => %p\n", __func__, (unsigned int)v, r); \ + pr_debug("%s: %08x => %p\n", __func__, (unsigned int)v, r); \ __raw_writel(v, r); \ } while (0) #endif /* FB_S3C_DEBUG_REGWRITE */ @@ -495,7 +495,6 @@ static int s3c_fb_set_par(struct fb_info *info) u32 alpha = 0; u32 data; u32 pagewidth; - int clkdiv; dev_dbg(sfb->dev, "setting framebuffer parameters\n"); @@ -532,48 +531,9 @@ static int s3c_fb_set_par(struct fb_info *info) /* disable the window whilst we update it */ writel(0, regs + WINCON(win_no)); - /* use platform specified window as the basis for the lcd timings */ - - if (win_no == sfb->pdata->default_win) { - clkdiv = s3c_fb_calc_pixclk(sfb, var->pixclock); - - data = sfb->pdata->vidcon0; - data &= ~(VIDCON0_CLKVAL_F_MASK | VIDCON0_CLKDIR); - - if (clkdiv > 1) - data |= VIDCON0_CLKVAL_F(clkdiv-1) | VIDCON0_CLKDIR; - else - data &= ~VIDCON0_CLKDIR; /* 1:1 clock */ - - /* write the timing data to the panel */ - - if (sfb->variant.is_2443) - data |= (1 << 5); - - writel(data, regs + VIDCON0); - + if (!sfb->output_on) s3c_fb_enable(sfb, 1); - data = VIDTCON0_VBPD(var->upper_margin - 1) | - VIDTCON0_VFPD(var->lower_margin - 1) | - VIDTCON0_VSPW(var->vsync_len - 1); - - writel(data, regs + sfb->variant.vidtcon); - - data = VIDTCON1_HBPD(var->left_margin - 1) | - VIDTCON1_HFPD(var->right_margin - 1) | - VIDTCON1_HSPW(var->hsync_len - 1); - - /* VIDTCON1 */ - writel(data, regs + sfb->variant.vidtcon + 4); - - data = VIDTCON2_LINEVAL(var->yres - 1) | - VIDTCON2_HOZVAL(var->xres - 1) | - VIDTCON2_LINEVAL_E(var->yres - 1) | - VIDTCON2_HOZVAL_E(var->xres - 1); - writel(data, regs + sfb->variant.vidtcon + 8); - } - /* write the buffer address */ /* start and end registers stride is 8 */ @@ -839,6 +799,7 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info) struct s3c_fb *sfb = win->parent; unsigned int index = win->index; u32 wincon; + u32 output_on = sfb->output_on; dev_dbg(sfb->dev, "blank mode %d\n", blank_mode); @@ -877,34 +838,18 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info) shadow_protect_win(win, 1); writel(wincon, sfb->regs + sfb->variant.wincon + (index * 4)); - shadow_protect_win(win, 0); /* Check the enabled state to see if we need to be running the * main LCD interface, as if there are no active windows then * it is highly likely that we also do not need to output * anything. */ - - /* We could do something like the following code, but the current - * system of using framebuffer events means that we cannot make - * the distinction between just window 0 being inactive and all - * the windows being down. - * - * s3c_fb_enable(sfb, sfb->enabled ? 1 : 0); - */ - - /* we're stuck with this until we can do something about overriding - * the power control using the blanking event for a single fb. - */ - if (index == sfb->pdata->default_win) { - shadow_protect_win(win, 1); - s3c_fb_enable(sfb, blank_mode != FB_BLANK_POWERDOWN ? 1 : 0); - shadow_protect_win(win, 0); - } + s3c_fb_enable(sfb, sfb->enabled ? 1 : 0); + shadow_protect_win(win, 0); pm_runtime_put_sync(sfb->dev); - return 0; + return output_on == sfb->output_on; } /** @@ -1111,7 +1056,7 @@ static struct fb_ops s3c_fb_ops = { * * Calculate the pixel clock when none has been given through platform data. */ -static void __devinit s3c_fb_missing_pixclock(struct fb_videomode *mode) +static void s3c_fb_missing_pixclock(struct fb_videomode *mode) { u64 pixclk = 1000000000000ULL; u32 div; @@ -1144,11 +1089,11 @@ static int __devinit s3c_fb_alloc_memory(struct s3c_fb *sfb, dev_dbg(sfb->dev, "allocating memory for display\n"); - real_size = windata->win_mode.xres * windata->win_mode.yres; + real_size = windata->xres * windata->yres; virt_size = windata->virtual_x * windata->virtual_y; dev_dbg(sfb->dev, "real_size=%u (%u.%u), virt_size=%u (%u.%u)\n", - real_size, windata->win_mode.xres, windata->win_mode.yres, + real_size, windata->xres, windata->yres, virt_size, windata->virtual_x, windata->virtual_y); size = (real_size > virt_size) ? real_size : virt_size; @@ -1230,7 +1175,7 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no, struct s3c_fb_win **res) { struct fb_var_screeninfo *var; - struct fb_videomode *initmode; + struct fb_videomode initmode; struct s3c_fb_pd_win *windata; struct s3c_fb_win *win; struct fb_info *fbinfo; @@ -1251,11 +1196,11 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no, } windata = sfb->pdata->win[win_no]; - initmode = &windata->win_mode; + initmode = *sfb->pdata->vtiming; WARN_ON(windata->max_bpp == 0); - WARN_ON(windata->win_mode.xres == 0); - WARN_ON(windata->win_mode.yres == 0); + WARN_ON(windata->xres == 0); + WARN_ON(windata->yres == 0); win = fbinfo->par; *res = win; @@ -1294,7 +1239,9 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no, } /* setup the initial video mode from the window */ - fb_videomode_to_var(&fbinfo->var, initmode); + initmode.xres = windata->xres; + initmode.yres = windata->yres; + fb_videomode_to_var(&fbinfo->var, &initmode); fbinfo->fix.type = FB_TYPE_PACKED_PIXELS; fbinfo->fix.accel = FB_ACCEL_NONE; @@ -1339,6 +1286,53 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no, } /** + * s3c_fb_set_rgb_timing() - set video timing for rgb interface. + * @sfb: The base resources for the hardware. + * + * Set horizontal and vertical lcd rgb interface timing. + */ +static void s3c_fb_set_rgb_timing(struct s3c_fb *sfb) +{ + struct fb_videomode *vmode = sfb->pdata->vtiming; + void __iomem *regs = sfb->regs; + int clkdiv; + u32 data; + + if (!vmode->pixclock) + s3c_fb_missing_pixclock(vmode); + + clkdiv = s3c_fb_calc_pixclk(sfb, vmode->pixclock); + + data = sfb->pdata->vidcon0; + data &= ~(VIDCON0_CLKVAL_F_MASK | VIDCON0_CLKDIR); + + if (clkdiv > 1) + data |= VIDCON0_CLKVAL_F(clkdiv-1) | VIDCON0_CLKDIR; + else + data &= ~VIDCON0_CLKDIR; /* 1:1 clock */ + + if (sfb->variant.is_2443) + data |= (1 << 5); + writel(data, regs + VIDCON0); + + data = VIDTCON0_VBPD(vmode->upper_margin - 1) | + VIDTCON0_VFPD(vmode->lower_margin - 1) | + VIDTCON0_VSPW(vmode->vsync_len - 1); + writel(data, regs + sfb->variant.vidtcon); + + data = VIDTCON1_HBPD(vmode->left_margin - 1) | + VIDTCON1_HFPD(vmode->right_margin - 1) | + VIDTCON1_HSPW(vmode->hsync_len - 1); + writel(data, regs + sfb->variant.vidtcon + 4); + + data = VIDTCON2_LINEVAL(vmode->yres - 1) | + VIDTCON2_HOZVAL(vmode->xres - 1) | + VIDTCON2_LINEVAL_E(vmode->yres - 1) | + VIDTCON2_HOZVAL_E(vmode->xres - 1); + writel(data, regs + sfb->variant.vidtcon + 8); +} + +/** * s3c_fb_clear_win() - clear hardware window registers. * @sfb: The base resources for the hardware. * @win: The window to process. @@ -1481,15 +1475,14 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev) writel(0xffffff, regs + WKEYCON1); } + s3c_fb_set_rgb_timing(sfb); + /* we have the register setup, start allocating framebuffers */ for (win = 0; win < fbdrv->variant.nr_windows; win++) { if (!pd->win[win]) continue; - if (!pd->win[win]->win_mode.pixclock) - s3c_fb_missing_pixclock(&pd->win[win]->win_mode); - ret = s3c_fb_probe_win(sfb, win, fbdrv->win[win], &sfb->windows[win]); if (ret < 0) { @@ -1564,6 +1557,8 @@ static int s3c_fb_suspend(struct device *dev) struct s3c_fb_win *win; int win_no; + pm_runtime_get_sync(sfb->dev); + for (win_no = S3C_FB_MAX_WIN - 1; win_no >= 0; win_no--) { win = sfb->windows[win_no]; if (!win) @@ -1577,6 +1572,9 @@ static int s3c_fb_suspend(struct device *dev) clk_disable(sfb->lcd_clk); clk_disable(sfb->bus_clk); + + pm_runtime_put_sync(sfb->dev); + return 0; } @@ -1589,6 +1587,8 @@ static int s3c_fb_resume(struct device *dev) int win_no; u32 reg; + pm_runtime_get_sync(sfb->dev); + clk_enable(sfb->bus_clk); if (!sfb->variant.has_clksel) @@ -1623,6 +1623,8 @@ static int s3c_fb_resume(struct device *dev) shadow_protect_win(win, 0); } + s3c_fb_set_rgb_timing(sfb); + /* restore framebuffers */ for (win_no = 0; win_no < S3C_FB_MAX_WIN; win_no++) { win = sfb->windows[win_no]; @@ -1633,6 +1635,8 @@ static int s3c_fb_resume(struct device *dev) s3c_fb_set_par(win->fbinfo); } + pm_runtime_put_sync(sfb->dev); + return 0; } #endif diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c index eafb19da2c07..930e550e752a 100644 --- a/drivers/video/sh_mobile_hdmi.c +++ b/drivers/video/sh_mobile_hdmi.c @@ -31,6 +31,7 @@ #include "sh_mobile_lcdcfb.h" +/* HDMI Core Control Register (HTOP0) */ #define HDMI_SYSTEM_CTRL 0x00 /* System control */ #define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control, bits 19..16 of 20-bit N for Audio Clock Regeneration packet */ @@ -201,6 +202,68 @@ #define HDMI_REVISION_ID 0xF1 /* Revision ID */ #define HDMI_TEST_MODE 0xFE /* Test mode */ +/* HDMI Control Register (HTOP1) */ +#define HDMI_HTOP1_TEST_MODE 0x0000 /* Test mode */ +#define HDMI_HTOP1_VIDEO_INPUT 0x0008 /* VideoInput */ +#define HDMI_HTOP1_CORE_RSTN 0x000C /* CoreResetn */ +#define HDMI_HTOP1_PLLBW 0x0018 /* PLLBW */ +#define HDMI_HTOP1_CLK_TO_PHY 0x001C /* Clk to Phy */ +#define HDMI_HTOP1_VIDEO_INPUT2 0x0020 /* VideoInput2 */ +#define HDMI_HTOP1_TISEMP0_1 0x0024 /* tisemp0-1 */ +#define HDMI_HTOP1_TISEMP2_C 0x0028 /* tisemp2-c */ +#define HDMI_HTOP1_TISIDRV 0x002C /* tisidrv */ +#define HDMI_HTOP1_TISEN 0x0034 /* tisen */ +#define HDMI_HTOP1_TISDREN 0x0038 /* tisdren */ +#define HDMI_HTOP1_CISRANGE 0x003C /* cisrange */ +#define HDMI_HTOP1_ENABLE_SELECTOR 0x0040 /* Enable Selector */ +#define HDMI_HTOP1_MACRO_RESET 0x0044 /* Macro reset */ +#define HDMI_HTOP1_PLL_CALIBRATION 0x0048 /* PLL calibration */ +#define HDMI_HTOP1_RE_CALIBRATION 0x004C /* Re-calibration */ +#define HDMI_HTOP1_CURRENT 0x0050 /* Current */ +#define HDMI_HTOP1_PLL_LOCK_DETECT 0x0054 /* PLL lock detect */ +#define HDMI_HTOP1_PHY_TEST_MODE 0x0058 /* PHY Test Mode */ +#define HDMI_HTOP1_CLK_SET 0x0080 /* Clock Set */ +#define HDMI_HTOP1_DDC_FAIL_SAFE 0x0084 /* DDC fail safe */ +#define HDMI_HTOP1_PRBS 0x0088 /* PRBS */ +#define HDMI_HTOP1_EDID_AINC_CONTROL 0x008C /* EDID ainc Control */ +#define HDMI_HTOP1_HTOP_DCL_MODE 0x00FC /* Deep Coloer Mode */ +#define HDMI_HTOP1_HTOP_DCL_FRC_COEF0 0x0100 /* Deep Color:FRC COEF0 */ +#define HDMI_HTOP1_HTOP_DCL_FRC_COEF1 0x0104 /* Deep Color:FRC COEF1 */ +#define HDMI_HTOP1_HTOP_DCL_FRC_COEF2 0x0108 /* Deep Color:FRC COEF2 */ +#define HDMI_HTOP1_HTOP_DCL_FRC_COEF3 0x010C /* Deep Color:FRC COEF3 */ +#define HDMI_HTOP1_HTOP_DCL_FRC_COEF0_C 0x0110 /* Deep Color:FRC COEF0C */ +#define HDMI_HTOP1_HTOP_DCL_FRC_COEF1_C 0x0114 /* Deep Color:FRC COEF1C */ +#define HDMI_HTOP1_HTOP_DCL_FRC_COEF2_C 0x0118 /* Deep Color:FRC COEF2C */ +#define HDMI_HTOP1_HTOP_DCL_FRC_COEF3_C 0x011C /* Deep Color:FRC COEF3C */ +#define HDMI_HTOP1_HTOP_DCL_FRC_MODE 0x0120 /* Deep Color:FRC Mode */ +#define HDMI_HTOP1_HTOP_DCL_RECT_START1 0x0124 /* Deep Color:Rect Start1 */ +#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE1 0x0128 /* Deep Color:Rect Size1 */ +#define HDMI_HTOP1_HTOP_DCL_RECT_START2 0x012C /* Deep Color:Rect Start2 */ +#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE2 0x0130 /* Deep Color:Rect Size2 */ +#define HDMI_HTOP1_HTOP_DCL_RECT_START3 0x0134 /* Deep Color:Rect Start3 */ +#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE3 0x0138 /* Deep Color:Rect Size3 */ +#define HDMI_HTOP1_HTOP_DCL_RECT_START4 0x013C /* Deep Color:Rect Start4 */ +#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE4 0x0140 /* Deep Color:Rect Size4 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_1 0x0144 /* Deep Color:Fil Para Y1_1 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_2 0x0148 /* Deep Color:Fil Para Y1_2 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_1 0x014C /* Deep Color:Fil Para CB1_1 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_2 0x0150 /* Deep Color:Fil Para CB1_2 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_1 0x0154 /* Deep Color:Fil Para CR1_1 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_2 0x0158 /* Deep Color:Fil Para CR1_2 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_1 0x015C /* Deep Color:Fil Para Y2_1 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_2 0x0160 /* Deep Color:Fil Para Y2_2 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_1 0x0164 /* Deep Color:Fil Para CB2_1 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_2 0x0168 /* Deep Color:Fil Para CB2_2 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_1 0x016C /* Deep Color:Fil Para CR2_1 */ +#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_2 0x0170 /* Deep Color:Fil Para CR2_2 */ +#define HDMI_HTOP1_HTOP_DCL_COR_PARA_Y1 0x0174 /* Deep Color:Cor Para Y1 */ +#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CB1 0x0178 /* Deep Color:Cor Para CB1 */ +#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CR1 0x017C /* Deep Color:Cor Para CR1 */ +#define HDMI_HTOP1_HTOP_DCL_COR_PARA_Y2 0x0180 /* Deep Color:Cor Para Y2 */ +#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CB2 0x0184 /* Deep Color:Cor Para CB2 */ +#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CR2 0x0188 /* Deep Color:Cor Para CR2 */ +#define HDMI_HTOP1_EDID_DATA_READ 0x0200 /* EDID Data Read 128Byte:0x03FC */ + enum hotplug_state { HDMI_HOTPLUG_DISCONNECTED, HDMI_HOTPLUG_CONNECTED, @@ -211,6 +274,7 @@ struct sh_hdmi { struct sh_mobile_lcdc_entity entity; void __iomem *base; + void __iomem *htop1; enum hotplug_state hp_state; /* hot-plug status */ u8 preprogrammed_vic; /* use a pre-programmed VIC or the external mode */ @@ -222,20 +286,66 @@ struct sh_hdmi { struct delayed_work edid_work; struct fb_videomode mode; struct fb_monspecs monspec; + + /* register access functions */ + void (*write)(struct sh_hdmi *hdmi, u8 data, u8 reg); + u8 (*read)(struct sh_hdmi *hdmi, u8 reg); }; #define entity_to_sh_hdmi(e) container_of(e, struct sh_hdmi, entity) -static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg) +static void __hdmi_write8(struct sh_hdmi *hdmi, u8 data, u8 reg) { iowrite8(data, hdmi->base + reg); } -static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg) +static u8 __hdmi_read8(struct sh_hdmi *hdmi, u8 reg) { return ioread8(hdmi->base + reg); } +static void __hdmi_write32(struct sh_hdmi *hdmi, u8 data, u8 reg) +{ + iowrite32((u32)data, hdmi->base + (reg * 4)); + udelay(100); +} + +static u8 __hdmi_read32(struct sh_hdmi *hdmi, u8 reg) +{ + return (u8)ioread32(hdmi->base + (reg * 4)); +} + +static void hdmi_write(struct sh_hdmi *hdmi, u8 data, u8 reg) +{ + hdmi->write(hdmi, data, reg); +} + +static u8 hdmi_read(struct sh_hdmi *hdmi, u8 reg) +{ + return hdmi->read(hdmi, reg); +} + +static void hdmi_bit_set(struct sh_hdmi *hdmi, u8 mask, u8 data, u8 reg) +{ + u8 val = hdmi_read(hdmi, reg); + + val &= ~mask; + val |= (data & mask); + + hdmi_write(hdmi, val, reg); +} + +static void hdmi_htop1_write(struct sh_hdmi *hdmi, u32 data, u32 reg) +{ + iowrite32(data, hdmi->htop1 + reg); + udelay(100); +} + +static u32 hdmi_htop1_read(struct sh_hdmi *hdmi, u32 reg) +{ + return ioread32(hdmi->htop1 + reg); +} + /* * HDMI sound */ @@ -693,11 +803,11 @@ static void sh_hdmi_configure(struct sh_hdmi *hdmi) msleep(10); /* PS mode b->d, reset PLLA and PLLB */ - hdmi_write(hdmi, 0x4C, HDMI_SYSTEM_CTRL); + hdmi_bit_set(hdmi, 0xFC, 0x4C, HDMI_SYSTEM_CTRL); udelay(10); - hdmi_write(hdmi, 0x40, HDMI_SYSTEM_CTRL); + hdmi_bit_set(hdmi, 0xFC, 0x40, HDMI_SYSTEM_CTRL); } static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi, @@ -746,7 +856,9 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate, /* Read EDID */ dev_dbg(hdmi->dev, "Read back EDID code:"); for (i = 0; i < 128; i++) { - edid[i] = hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW); + edid[i] = (hdmi->htop1) ? + (u8)hdmi_htop1_read(hdmi, HDMI_HTOP1_EDID_DATA_READ + (i * 4)) : + hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW); #ifdef DEBUG if ((i % 16) == 0) { printk(KERN_CONT "\n"); @@ -917,13 +1029,13 @@ static irqreturn_t sh_hdmi_hotplug(int irq, void *dev_id) u8 status1, status2, mask1, mask2; /* mode_b and PLLA and PLLB reset */ - hdmi_write(hdmi, 0x2C, HDMI_SYSTEM_CTRL); + hdmi_bit_set(hdmi, 0xFC, 0x2C, HDMI_SYSTEM_CTRL); /* How long shall reset be held? */ udelay(10); /* mode_b and PLLA and PLLB reset release */ - hdmi_write(hdmi, 0x20, HDMI_SYSTEM_CTRL); + hdmi_bit_set(hdmi, 0xFC, 0x20, HDMI_SYSTEM_CTRL); status1 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_1); status2 = hdmi_read(hdmi, HDMI_INTERRUPT_STATUS_2); @@ -1001,7 +1113,7 @@ static int sh_hdmi_display_on(struct sh_mobile_lcdc_entity *entity) */ if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) { /* PS mode d->e. All functions are active */ - hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL); + hdmi_bit_set(hdmi, 0xFC, 0x80, HDMI_SYSTEM_CTRL); dev_dbg(hdmi->dev, "HDMI running\n"); } @@ -1016,7 +1128,7 @@ static void sh_hdmi_display_off(struct sh_mobile_lcdc_entity *entity) dev_dbg(hdmi->dev, "%s(%p)\n", __func__, hdmi); /* PS mode e->a */ - hdmi_write(hdmi, 0x10, HDMI_SYSTEM_CTRL); + hdmi_bit_set(hdmi, 0xFC, 0x10, HDMI_SYSTEM_CTRL); } static const struct sh_mobile_lcdc_entity_ops sh_hdmi_ops = { @@ -1110,10 +1222,58 @@ out: dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, hdmi); } +static void sh_hdmi_htop1_init(struct sh_hdmi *hdmi) +{ + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_MODE); + hdmi_htop1_write(hdmi, 0x0000000b, 0x0010); + hdmi_htop1_write(hdmi, 0x00006710, HDMI_HTOP1_HTOP_DCL_FRC_MODE); + hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_1); + hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_2); + hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_1); + hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_2); + hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_1); + hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_2); + hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_1); + hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_2); + hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_1); + hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_2); + hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_1); + hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_2); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_Y1); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CB1); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CR1); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_Y2); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CB2); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CR2); + hdmi_htop1_write(hdmi, 0x00000008, HDMI_HTOP1_CURRENT); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_TISEMP0_1); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_TISEMP2_C); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_PHY_TEST_MODE); + hdmi_htop1_write(hdmi, 0x00000081, HDMI_HTOP1_TISIDRV); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_PLLBW); + hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISEN); + hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISDREN); + hdmi_htop1_write(hdmi, 0x00000003, HDMI_HTOP1_ENABLE_SELECTOR); + hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_MACRO_RESET); + hdmi_htop1_write(hdmi, 0x00000016, HDMI_HTOP1_CISRANGE); + msleep(100); + hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_ENABLE_SELECTOR); + msleep(100); + hdmi_htop1_write(hdmi, 0x00000003, HDMI_HTOP1_ENABLE_SELECTOR); + hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_MACRO_RESET); + hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISEN); + hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISDREN); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_VIDEO_INPUT); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_CLK_TO_PHY); + hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_VIDEO_INPUT2); + hdmi_htop1_write(hdmi, 0x0000000a, HDMI_HTOP1_CLK_SET); +} + static int __init sh_hdmi_probe(struct platform_device *pdev) { struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data; struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + struct resource *htop1_res; int irq = platform_get_irq(pdev, 0), ret; struct sh_hdmi *hdmi; long rate; @@ -1121,6 +1281,15 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) if (!res || !pdata || irq < 0) return -ENODEV; + htop1_res = NULL; + if (pdata->flags & HDMI_HAS_HTOP1) { + htop1_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!htop1_res) { + dev_err(&pdev->dev, "htop1 needs register base\n"); + return -EINVAL; + } + } + hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); if (!hdmi) { dev_err(&pdev->dev, "Cannot allocate device data\n"); @@ -1138,6 +1307,15 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) goto egetclk; } + /* select register access functions */ + if (pdata->flags & HDMI_32BIT_REG) { + hdmi->write = __hdmi_write32; + hdmi->read = __hdmi_read32; + } else { + hdmi->write = __hdmi_write8; + hdmi->read = __hdmi_read8; + } + /* An arbitrary relaxed pixclock just to get things started: from standard 480p */ rate = clk_round_rate(hdmi->hdmi_clk, PICOS2KHZ(37037)); if (rate > 0) @@ -1176,6 +1354,24 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); + /* init interrupt polarity */ + if (pdata->flags & HDMI_OUTPUT_PUSH_PULL) + hdmi_bit_set(hdmi, 0x02, 0x02, HDMI_SYSTEM_CTRL); + + if (pdata->flags & HDMI_OUTPUT_POLARITY_HI) + hdmi_bit_set(hdmi, 0x01, 0x01, HDMI_SYSTEM_CTRL); + + /* enable htop1 register if needed */ + if (htop1_res) { + hdmi->htop1 = ioremap(htop1_res->start, resource_size(htop1_res)); + if (!hdmi->htop1) { + dev_err(&pdev->dev, "control register region already claimed\n"); + ret = -ENOMEM; + goto emap_htop1; + } + sh_hdmi_htop1_init(hdmi); + } + /* Product and revision IDs are 0 in sh-mobile version */ dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n", hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID)); @@ -1199,6 +1395,9 @@ static int __init sh_hdmi_probe(struct platform_device *pdev) ecodec: free_irq(irq, hdmi); ereqirq: + if (hdmi->htop1) + iounmap(hdmi->htop1); +emap_htop1: pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); iounmap(hdmi->base); @@ -1230,6 +1429,8 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); clk_disable(hdmi->hdmi_clk); clk_put(hdmi->hdmi_clk); + if (hdmi->htop1) + iounmap(hdmi->htop1); iounmap(hdmi->base); release_mem_region(res->start, resource_size(res)); kfree(hdmi); diff --git a/drivers/video/sis/init.h b/drivers/video/sis/init.h index aff73842d877..85d6738b6c64 100644 --- a/drivers/video/sis/init.h +++ b/drivers/video/sis/init.h @@ -105,51 +105,6 @@ static const unsigned short ModeIndex_1920x1440[] = {0x68, 0x69, 0x00, 0x6b}; static const unsigned short ModeIndex_300_2048x1536[]= {0x6c, 0x6d, 0x00, 0x00}; static const unsigned short ModeIndex_310_2048x1536[]= {0x6c, 0x6d, 0x00, 0x6e}; -static const unsigned short SiS_DRAMType[17][5]={ - {0x0C,0x0A,0x02,0x40,0x39}, - {0x0D,0x0A,0x01,0x40,0x48}, - {0x0C,0x09,0x02,0x20,0x35}, - {0x0D,0x09,0x01,0x20,0x44}, - {0x0C,0x08,0x02,0x10,0x31}, - {0x0D,0x08,0x01,0x10,0x40}, - {0x0C,0x0A,0x01,0x20,0x34}, - {0x0C,0x09,0x01,0x08,0x32}, - {0x0B,0x08,0x02,0x08,0x21}, - {0x0C,0x08,0x01,0x08,0x30}, - {0x0A,0x08,0x02,0x04,0x11}, - {0x0B,0x0A,0x01,0x10,0x28}, - {0x09,0x08,0x02,0x02,0x01}, - {0x0B,0x09,0x01,0x08,0x24}, - {0x0B,0x08,0x01,0x04,0x20}, - {0x0A,0x08,0x01,0x02,0x10}, - {0x09,0x08,0x01,0x01,0x00} -}; - -static const unsigned short SiS_SDRDRAM_TYPE[13][5] = -{ - { 2,12, 9,64,0x35}, - { 1,13, 9,64,0x44}, - { 2,12, 8,32,0x31}, - { 2,11, 9,32,0x25}, - { 1,12, 9,32,0x34}, - { 1,13, 8,32,0x40}, - { 2,11, 8,16,0x21}, - { 1,12, 8,16,0x30}, - { 1,11, 9,16,0x24}, - { 1,11, 8, 8,0x20}, - { 2, 9, 8, 4,0x01}, - { 1,10, 8, 4,0x10}, - { 1, 9, 8, 2,0x00} -}; - -static const unsigned short SiS_DDRDRAM_TYPE[4][5] = -{ - { 2,12, 9,64,0x35}, - { 2,12, 8,32,0x31}, - { 2,11, 8,16,0x21}, - { 2, 9, 8, 4,0x01} -}; - static const unsigned char SiS_MDA_DAC[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c index 078ca2167d6f..a7a48db64ce2 100644 --- a/drivers/video/sis/sis_main.c +++ b/drivers/video/sis/sis_main.c @@ -4222,6 +4222,26 @@ sisfb_post_300_buswidth(struct sis_video_info *ivideo) return 1; /* 32bit */ } +static const unsigned short __devinitconst SiS_DRAMType[17][5] = { + {0x0C,0x0A,0x02,0x40,0x39}, + {0x0D,0x0A,0x01,0x40,0x48}, + {0x0C,0x09,0x02,0x20,0x35}, + {0x0D,0x09,0x01,0x20,0x44}, + {0x0C,0x08,0x02,0x10,0x31}, + {0x0D,0x08,0x01,0x10,0x40}, + {0x0C,0x0A,0x01,0x20,0x34}, + {0x0C,0x09,0x01,0x08,0x32}, + {0x0B,0x08,0x02,0x08,0x21}, + {0x0C,0x08,0x01,0x08,0x30}, + {0x0A,0x08,0x02,0x04,0x11}, + {0x0B,0x0A,0x01,0x10,0x28}, + {0x09,0x08,0x02,0x02,0x01}, + {0x0B,0x09,0x01,0x08,0x24}, + {0x0B,0x08,0x01,0x04,0x20}, + {0x0A,0x08,0x01,0x02,0x10}, + {0x09,0x08,0x01,0x01,0x00} +}; + static int __devinit sisfb_post_300_rwtest(struct sis_video_info *ivideo, int iteration, int buswidth, int PseudoRankCapacity, int PseudoAdrPinCount, @@ -4231,27 +4251,8 @@ sisfb_post_300_rwtest(struct sis_video_info *ivideo, int iteration, int buswidth unsigned short sr14; unsigned int k, RankCapacity, PageCapacity, BankNumHigh, BankNumMid; unsigned int PhysicalAdrOtherPage, PhysicalAdrHigh, PhysicalAdrHalfPage; - static const unsigned short SiS_DRAMType[17][5] = { - {0x0C,0x0A,0x02,0x40,0x39}, - {0x0D,0x0A,0x01,0x40,0x48}, - {0x0C,0x09,0x02,0x20,0x35}, - {0x0D,0x09,0x01,0x20,0x44}, - {0x0C,0x08,0x02,0x10,0x31}, - {0x0D,0x08,0x01,0x10,0x40}, - {0x0C,0x0A,0x01,0x20,0x34}, - {0x0C,0x09,0x01,0x08,0x32}, - {0x0B,0x08,0x02,0x08,0x21}, - {0x0C,0x08,0x01,0x08,0x30}, - {0x0A,0x08,0x02,0x04,0x11}, - {0x0B,0x0A,0x01,0x10,0x28}, - {0x09,0x08,0x02,0x02,0x01}, - {0x0B,0x09,0x01,0x08,0x24}, - {0x0B,0x08,0x01,0x04,0x20}, - {0x0A,0x08,0x01,0x02,0x10}, - {0x09,0x08,0x01,0x01,0x00} - }; - for(k = 0; k <= 16; k++) { + for(k = 0; k < ARRAY_SIZE(SiS_DRAMType); k++) { RankCapacity = buswidth * SiS_DRAMType[k][3]; diff --git a/drivers/video/skeletonfb.c b/drivers/video/skeletonfb.c index 30f7a815a62b..5b6abc6de84b 100644 --- a/drivers/video/skeletonfb.c +++ b/drivers/video/skeletonfb.c @@ -1036,6 +1036,6 @@ static void __exit xxxfb_exit(void) */ module_init(xxxfb_init); -module_exit(xxxfb_remove); +module_exit(xxxfb_exit); MODULE_LICENSE("GPL"); diff --git a/drivers/video/smscufx.c b/drivers/video/smscufx.c index ccbfef5e828f..af3ef27ad36c 100644 --- a/drivers/video/smscufx.c +++ b/drivers/video/smscufx.c @@ -846,7 +846,7 @@ static void ufx_raw_rect(struct ufx_data *dev, u16 *cmd, int x, int y, } } -int ufx_handle_damage(struct ufx_data *dev, int x, int y, +static int ufx_handle_damage(struct ufx_data *dev, int x, int y, int width, int height) { size_t packed_line_len = ALIGN((width * 2), 4); @@ -1083,7 +1083,7 @@ static int ufx_ops_open(struct fb_info *info, int user) struct fb_deferred_io *fbdefio; - fbdefio = kmalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); + fbdefio = kzalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); if (fbdefio) { fbdefio->delay = UFX_DEFIO_WRITE_DELAY; diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c index a159b63e18b9..e9d43b403432 100644 --- a/drivers/video/udlfb.c +++ b/drivers/video/udlfb.c @@ -893,7 +893,7 @@ static int dlfb_ops_open(struct fb_info *info, int user) struct fb_deferred_io *fbdefio; - fbdefio = kmalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); + fbdefio = kzalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); if (fbdefio) { fbdefio->delay = DL_DEFIO_WRITE_DELAY; diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 0c8837565bc7..c80e770e1800 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -1276,17 +1276,12 @@ static int viafb_dfph_proc_open(struct inode *inode, struct file *file) static ssize_t viafb_dfph_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { - char buf[20]; - u8 reg_val = 0; - unsigned long length; - if (count < 1) - return -EINVAL; - length = count > 20 ? 20 : count; - if (copy_from_user(&buf[0], buffer, length)) - return -EFAULT; - buf[length - 1] = '\0'; /*Ensure end string */ - if (kstrtou8(buf, 0, ®_val) < 0) - return -EINVAL; + int err; + u8 reg_val; + err = kstrtou8_from_user(buffer, count, 0, ®_val); + if (err) + return err; + viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f); return count; } @@ -1316,17 +1311,12 @@ static int viafb_dfpl_proc_open(struct inode *inode, struct file *file) static ssize_t viafb_dfpl_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { - char buf[20]; - u8 reg_val = 0; - unsigned long length; - if (count < 1) - return -EINVAL; - length = count > 20 ? 20 : count; - if (copy_from_user(&buf[0], buffer, length)) - return -EFAULT; - buf[length - 1] = '\0'; /*Ensure end string */ - if (kstrtou8(buf, 0, ®_val) < 0) - return -EINVAL; + int err; + u8 reg_val; + err = kstrtou8_from_user(buffer, count, 0, ®_val); + if (err) + return err; + viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f); return count; } |