From patchwork Thu Dec 8 09:07:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 632169 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9F0FC63709 for ; Thu, 8 Dec 2022 09:09:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230244AbiLHJJD (ORCPT ); Thu, 8 Dec 2022 04:09:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229779AbiLHJI2 (ORCPT ); Thu, 8 Dec 2022 04:08:28 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78244E5C; Thu, 8 Dec 2022 01:08:25 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E646A61E18; Thu, 8 Dec 2022 09:07:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 04C87C433C1; Thu, 8 Dec 2022 09:07:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1670490474; bh=aSIESiqsU2JOKxbcwd3dLdqYYt/u0D350/tjiSbDhCo=; h=From:To:Cc:Subject:Date:From; b=NZN3eslI31rQG2hLqELElfvZwii00jBBIzh1Iqp3wHfI2Qu33xhW2cJCDp0TGHsAU 8IK52Vd7w0vqJbRxjh+teG1SJJxY8FKv/+p9SwVjHwb3+rNkIglJu/IslEg/JRvV+j PCLJLbjEOPhQi0OQHRNswhLzVk4Y2b+VSJ3ccYEudsXzcXTcc0EGcyUSpnKPnhj96B 7ornwj1pa1qDu3P332wQqlCY9aYSw2ayW6BpIBCaa60kEYH/c3liVFogUv4hyStZ48 Lei+FKPSD7W9t0CCCgpVvoCs56Ese8WvEzt/Iuw45iOTEBMW+oABtz8eXxMDyWQw+y MfWcWPKAX7bZw== From: "Jiri Slaby (SUSE)" To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, "Jiri Slaby (SUSE)" , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Yoshinori Sato , Rich Felker , Thomas Winischhofer , linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH 1/3] USB: sisusbvga: remove console support Date: Thu, 8 Dec 2022 10:07:46 +0100 Message-Id: <20221208090749.28056-1-jirislaby@kernel.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org It was marked as BROKEN since commit 862ee699fefe (USB: sisusbvga: Make console support depend on BROKEN) 2 years ago. Since noone stepped up to fix it, remove it completely. Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Christophe Leroy Cc: Yoshinori Sato Cc: Rich Felker Cc: Thomas Winischhofer Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-sh@vger.kernel.org Cc: linux-usb@vger.kernel.org Signed-off-by: Jiri Slaby (SUSE) --- arch/powerpc/configs/ppc6xx_defconfig | 1 - arch/sh/configs/landisk_defconfig | 1 - drivers/usb/misc/sisusbvga/Kconfig | 34 - drivers/usb/misc/sisusbvga/Makefile | 1 - drivers/usb/misc/sisusbvga/sisusb.c | 276 +--- drivers/usb/misc/sisusbvga/sisusb.h | 21 - drivers/usb/misc/sisusbvga/sisusb_con.c | 1496 ---------------------- drivers/usb/misc/sisusbvga/sisusb_init.c | 955 -------------- drivers/usb/misc/sisusbvga/sisusb_init.h | 180 --- 9 files changed, 6 insertions(+), 2959 deletions(-) delete mode 100644 drivers/usb/misc/sisusbvga/sisusb_con.c delete mode 100644 drivers/usb/misc/sisusbvga/sisusb_init.c delete mode 100644 drivers/usb/misc/sisusbvga/sisusb_init.h diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig index 115d40be5481..110258277959 100644 --- a/arch/powerpc/configs/ppc6xx_defconfig +++ b/arch/powerpc/configs/ppc6xx_defconfig @@ -911,7 +911,6 @@ CONFIG_USB_IDMOUSE=m CONFIG_USB_FTDI_ELAN=m CONFIG_USB_APPLEDISPLAY=m CONFIG_USB_SISUSBVGA=m -CONFIG_USB_SISUSBVGA_CON=y CONFIG_USB_LD=m CONFIG_USB_TRANCEVIBRATOR=m CONFIG_USB_IOWARRIOR=m diff --git a/arch/sh/configs/landisk_defconfig b/arch/sh/configs/landisk_defconfig index 492a0a2e0e36..7037320b654a 100644 --- a/arch/sh/configs/landisk_defconfig +++ b/arch/sh/configs/landisk_defconfig @@ -92,7 +92,6 @@ CONFIG_USB_SERIAL_PL2303=m CONFIG_USB_EMI62=m CONFIG_USB_EMI26=m CONFIG_USB_SISUSBVGA=m -CONFIG_USB_SISUSBVGA_CON=y CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set diff --git a/drivers/usb/misc/sisusbvga/Kconfig b/drivers/usb/misc/sisusbvga/Kconfig index c12cdd015410..42f81c8eaa92 100644 --- a/drivers/usb/misc/sisusbvga/Kconfig +++ b/drivers/usb/misc/sisusbvga/Kconfig @@ -3,7 +3,6 @@ config USB_SISUSBVGA tristate "USB 2.0 SVGA dongle support (Net2280/SiS315)" depends on (USB_MUSB_HDRC || USB_EHCI_HCD) - select FONT_SUPPORT if USB_SISUSBVGA_CON help Say Y here if you intend to attach a USB2VGA dongle based on a Net2280 and a SiS315 chip. @@ -13,36 +12,3 @@ config USB_SISUSBVGA To compile this driver as a module, choose M here; the module will be called sisusbvga. If unsure, say N. - -config USB_SISUSBVGA_CON - bool "Text console and mode switching support" if USB_SISUSBVGA - depends on VT && BROKEN - select FONT_8x16 - help - Say Y here if you want a VGA text console via the USB dongle or - want to support userland applications that utilize the driver's - display mode switching capabilities. - - Note that this console supports VGA/EGA text mode only. - - By default, the console part of the driver will not kick in when - the driver is initialized. If you want the driver to take over - one or more of the consoles, you need to specify the number of - the first and last consoles (starting at 1) as driver parameters. - - For example, if the driver is compiled as a module: - - modprobe sisusbvga first=1 last=5 - - If you use hotplug, add this to your modutils config files with - the "options" keyword, such as eg. - - options sisusbvga first=1 last=5 - - If the driver is compiled into the kernel image, the parameters - must be given in the kernel command like, such as - - sisusbvga.first=1 sisusbvga.last=5 - - - diff --git a/drivers/usb/misc/sisusbvga/Makefile b/drivers/usb/misc/sisusbvga/Makefile index 6551bce68ac5..93265de80eb9 100644 --- a/drivers/usb/misc/sisusbvga/Makefile +++ b/drivers/usb/misc/sisusbvga/Makefile @@ -6,4 +6,3 @@ obj-$(CONFIG_USB_SISUSBVGA) += sisusbvga.o sisusbvga-y := sisusb.o -sisusbvga-$(CONFIG_USB_SISUSBVGA_CON) += sisusb_con.o sisusb_init.o diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index f08de33d9ff3..a0d5ba8058f8 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -51,25 +51,11 @@ #include #include "sisusb.h" -#include "sisusb_init.h" - -#ifdef CONFIG_USB_SISUSBVGA_CON -#include -#endif #define SISUSB_DONTSYNC /* Forward declarations / clean-up routines */ -#ifdef CONFIG_USB_SISUSBVGA_CON -static int sisusb_first_vc; -static int sisusb_last_vc; -module_param_named(first, sisusb_first_vc, int, 0); -module_param_named(last, sisusb_last_vc, int, 0); -MODULE_PARM_DESC(first, "Number of first console to take over (1 - MAX_NR_CONSOLES)"); -MODULE_PARM_DESC(last, "Number of last console to take over (1 - MAX_NR_CONSOLES)"); -#endif - static struct usb_driver sisusb_driver; static void sisusb_free_buffers(struct sisusb_usb_data *sisusb) @@ -1198,19 +1184,7 @@ static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr, /* High level: Gfx (indexed) register access */ -#ifdef CONFIG_USB_SISUSBVGA_CON -int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data) -{ - return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); -} - -int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 *data) -{ - return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); -} -#endif - -int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port, +static int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 data) { int ret; @@ -1220,7 +1194,7 @@ int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port, return ret; } -int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port, +static int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 *data) { int ret; @@ -1230,7 +1204,7 @@ int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port, return ret; } -int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, u8 idx, +static int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, u8 idx, u8 myand, u8 myor) { int ret; @@ -1258,13 +1232,13 @@ static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb, return ret; } -int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port, +static int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port, u8 index, u8 myor) { return sisusb_setidxregandor(sisusb, port, index, 0xff, myor); } -int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port, +static int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port, u8 idx, u8 myand) { return sisusb_setidxregandor(sisusb, port, idx, myand, 0x00); @@ -1272,38 +1246,6 @@ int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port, /* Write/read video ram */ -#ifdef CONFIG_USB_SISUSBVGA_CON -int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data) -{ - return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data); -} - -int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 *data) -{ - return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_MEM, adr, data); -} - -int sisusb_copy_memory(struct sisusb_usb_data *sisusb, u8 *src, - u32 dest, int length) -{ - size_t dummy; - - return sisusb_write_mem_bulk(sisusb, dest, src, length, - NULL, 0, &dummy); -} - -#ifdef SISUSBENDIANTEST -static int sisusb_read_memory(struct sisusb_usb_data *sisusb, char *dest, - u32 src, int length) -{ - size_t dummy; - - return sisusb_read_mem_bulk(sisusb, src, dest, length, - NULL, &dummy); -} -#endif -#endif - #ifdef SISUSBENDIANTEST static void sisusb_testreadwrite(struct sisusb_usb_data *sisusb) { @@ -2252,131 +2194,6 @@ static int sisusb_init_gfxdevice(struct sisusb_usb_data *sisusb, int initscreen) return ret; } - -#ifdef CONFIG_USB_SISUSBVGA_CON - -/* Set up default text mode: - * - Set text mode (0x03) - * - Upload default font - * - Upload user font (if available) - */ - -int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init) -{ - int ret = 0, slot = sisusb->font_slot, i; - const struct font_desc *myfont; - u8 *tempbuf; - u16 *tempbufb; - static const char bootstring[] = - "SiSUSB VGA text console, (C) 2005 Thomas Winischhofer."; - static const char bootlogo[] = "(o_ //\\ V_/_"; - - /* sisusb->lock is down */ - - if (!sisusb->SiS_Pr) - return 1; - - sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; - sisusb->SiS_Pr->sisusb = (void *)sisusb; - - /* Set mode 0x03 */ - SiSUSBSetMode(sisusb->SiS_Pr, 0x03); - - myfont = find_font("VGA8x16"); - if (!myfont) - return 1; - - tempbuf = vmalloc(8192); - if (!tempbuf) - return 1; - - for (i = 0; i < 256; i++) - memcpy(tempbuf + (i * 32), myfont->data + (i * 16), 16); - - /* Upload default font */ - ret = sisusbcon_do_font_op(sisusb, 1, 0, tempbuf, 8192, - 0, 1, NULL, 16, 0); - - vfree(tempbuf); - - /* Upload user font (and reset current slot) */ - if (sisusb->font_backup) { - ret |= sisusbcon_do_font_op(sisusb, 1, 2, sisusb->font_backup, - 8192, sisusb->font_backup_512, 1, NULL, - sisusb->font_backup_height, 0); - if (slot != 2) - sisusbcon_do_font_op(sisusb, 1, 0, NULL, 0, 0, 1, - NULL, 16, 0); - } - - if (init && !sisusb->scrbuf) { - - tempbuf = vmalloc(8192); - if (tempbuf) { - - i = 4096; - tempbufb = (u16 *)tempbuf; - while (i--) - *(tempbufb++) = 0x0720; - - i = 0; - tempbufb = (u16 *)tempbuf; - while (bootlogo[i]) { - *(tempbufb++) = 0x0700 | bootlogo[i++]; - if (!(i % 4)) - tempbufb += 76; - } - - i = 0; - tempbufb = (u16 *)tempbuf + 6; - while (bootstring[i]) - *(tempbufb++) = 0x0700 | bootstring[i++]; - - ret |= sisusb_copy_memory(sisusb, tempbuf, - sisusb->vrambase, 8192); - - vfree(tempbuf); - - } - - } else if (sisusb->scrbuf) { - ret |= sisusb_copy_memory(sisusb, (u8 *)sisusb->scrbuf, - sisusb->vrambase, sisusb->scrbuf_size); - } - - if (sisusb->sisusb_cursor_size_from >= 0 && - sisusb->sisusb_cursor_size_to >= 0) { - sisusb_setidxreg(sisusb, SISCR, 0x0a, - sisusb->sisusb_cursor_size_from); - sisusb_setidxregandor(sisusb, SISCR, 0x0b, 0xe0, - sisusb->sisusb_cursor_size_to); - } else { - sisusb_setidxreg(sisusb, SISCR, 0x0a, 0x2d); - sisusb_setidxreg(sisusb, SISCR, 0x0b, 0x0e); - sisusb->sisusb_cursor_size_to = -1; - } - - slot = sisusb->sisusb_cursor_loc; - if (slot < 0) - slot = 0; - - sisusb->sisusb_cursor_loc = -1; - sisusb->bad_cursor_pos = 1; - - sisusb_set_cursor(sisusb, slot); - - sisusb_setidxreg(sisusb, SISCR, 0x0c, (sisusb->cur_start_addr >> 8)); - sisusb_setidxreg(sisusb, SISCR, 0x0d, (sisusb->cur_start_addr & 0xff)); - - sisusb->textmodedestroyed = 0; - - /* sisusb->lock is down */ - - return ret; -} - -#endif - /* fops */ static int sisusb_open(struct inode *inode, struct file *file) @@ -2434,7 +2251,7 @@ static int sisusb_open(struct inode *inode, struct file *file) return 0; } -void sisusb_delete(struct kref *kref) +static void sisusb_delete(struct kref *kref) { struct sisusb_usb_data *sisusb = to_sisusb_dev(kref); @@ -2446,9 +2263,6 @@ void sisusb_delete(struct kref *kref) sisusb->sisusb_dev = NULL; sisusb_free_buffers(sisusb); sisusb_free_urbs(sisusb); -#ifdef CONFIG_USB_SISUSBVGA_CON - kfree(sisusb->SiS_Pr); -#endif kfree(sisusb); } @@ -2842,53 +2656,7 @@ static int sisusb_handle_command(struct sisusb_usb_data *sisusb, case SUCMD_HANDLETEXTMODE: retval = 0; -#ifdef CONFIG_USB_SISUSBVGA_CON - /* Gfx core must be initialized, SiS_Pr must exist */ - if (!sisusb->gfxinit || !sisusb->SiS_Pr) - return -ENODEV; - - switch (y->data0) { - case 0: - retval = sisusb_reset_text_mode(sisusb, 0); - break; - case 1: - sisusb->textmodedestroyed = 1; - break; - } -#endif - break; - -#ifdef CONFIG_USB_SISUSBVGA_CON - case SUCMD_SETMODE: - /* Gfx core must be initialized, SiS_Pr must exist */ - if (!sisusb->gfxinit || !sisusb->SiS_Pr) - return -ENODEV; - - retval = 0; - - sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; - sisusb->SiS_Pr->sisusb = (void *)sisusb; - - if (SiSUSBSetMode(sisusb->SiS_Pr, y->data3)) - retval = -EINVAL; - - break; - - case SUCMD_SETVESAMODE: - /* Gfx core must be initialized, SiS_Pr must exist */ - if (!sisusb->gfxinit || !sisusb->SiS_Pr) - return -ENODEV; - - retval = 0; - - sisusb->SiS_Pr->IOAddress = SISUSB_PCI_IOPORTBASE + 0x30; - sisusb->SiS_Pr->sisusb = (void *)sisusb; - - if (SiSUSBSetVESAMode(sisusb->SiS_Pr, y->data3)) - retval = -EINVAL; - break; -#endif default: retval = -EINVAL; @@ -2942,11 +2710,7 @@ static long sisusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) x.sisusb_vramsize = sisusb->vramsize; x.sisusb_minor = sisusb->minor; x.sisusb_fbdevactive = 0; -#ifdef CONFIG_USB_SISUSBVGA_CON - x.sisusb_conactive = sisusb->haveconsole ? 1 : 0; -#else x.sisusb_conactive = 0; -#endif memset(x.sisusb_reserved, 0, sizeof(x.sisusb_reserved)); if (copy_to_user((void __user *)arg, &x, sizeof(x))) @@ -3090,15 +2854,6 @@ static int sisusb_probe(struct usb_interface *intf, dev_info(&sisusb->sisusb_dev->dev, "Allocated %d output buffers\n", sisusb->numobufs); -#ifdef CONFIG_USB_SISUSBVGA_CON - /* Allocate our SiS_Pr */ - sisusb->SiS_Pr = kmalloc(sizeof(struct SiS_Private), GFP_KERNEL); - if (!sisusb->SiS_Pr) { - retval = -ENOMEM; - goto error_4; - } -#endif - /* Do remaining init stuff */ init_waitqueue_head(&sisusb->wait_q); @@ -3111,12 +2866,6 @@ static int sisusb_probe(struct usb_interface *intf, if (dev->speed == USB_SPEED_HIGH || dev->speed >= USB_SPEED_SUPER) { int initscreen = 1; -#ifdef CONFIG_USB_SISUSBVGA_CON - if (sisusb_first_vc > 0 && sisusb_last_vc > 0 && - sisusb_first_vc <= sisusb_last_vc && - sisusb_last_vc <= MAX_NR_CONSOLES) - initscreen = 0; -#endif if (sisusb_init_gfxdevice(sisusb, initscreen)) dev_err(&sisusb->sisusb_dev->dev, "Failed to early initialize device\n"); @@ -3133,10 +2882,6 @@ static int sisusb_probe(struct usb_interface *intf, dev_dbg(&sisusb->sisusb_dev->dev, "*** RWTEST END ***\n"); #endif -#ifdef CONFIG_USB_SISUSBVGA_CON - sisusb_console_init(sisusb, sisusb_first_vc, sisusb_last_vc); -#endif - return 0; error_4: @@ -3159,10 +2904,6 @@ static void sisusb_disconnect(struct usb_interface *intf) if (!sisusb) return; -#ifdef CONFIG_USB_SISUSBVGA_CON - sisusb_console_exit(sisusb); -#endif - usb_deregister_dev(intf, &usb_sisusb_class); mutex_lock(&sisusb->lock); @@ -3208,11 +2949,6 @@ static struct usb_driver sisusb_driver = { static int __init usb_sisusb_init(void) { - -#ifdef CONFIG_USB_SISUSBVGA_CON - sisusb_init_concode(); -#endif - return usb_register(&sisusb_driver); } diff --git a/drivers/usb/misc/sisusbvga/sisusb.h b/drivers/usb/misc/sisusbvga/sisusb.h index c0fb9e1c5361..e5b1228655d0 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.h +++ b/drivers/usb/misc/sisusbvga/sisusb.h @@ -48,7 +48,6 @@ /* Include console and mode switching code? */ -#include #include #include "sisusb_struct.h" @@ -126,26 +125,6 @@ struct sisusb_usb_data { unsigned char gfxinit; /* graphics core initialized? */ unsigned short chipid, chipvendor; unsigned short chiprevision; -#ifdef CONFIG_USB_SISUSBVGA_CON - struct SiS_Private *SiS_Pr; - unsigned long scrbuf; - unsigned int scrbuf_size; - int haveconsole, con_first, con_last; - int havethisconsole[MAX_NR_CONSOLES]; - int textmodedestroyed; - unsigned int sisusb_num_columns; /* real number, not vt's idea */ - int cur_start_addr, con_rolled_over; - int sisusb_cursor_loc, bad_cursor_pos; - int sisusb_cursor_size_from; - int sisusb_cursor_size_to; - int current_font_height, current_font_512; - int font_backup_size, font_backup_height, font_backup_512; - char *font_backup; - int font_slot; - struct vc_data *sisusb_display_fg; - int is_gfx; - int con_blanked; -#endif }; #define to_sisusb_dev(d) container_of(d, struct sisusb_usb_data, kref) diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c deleted file mode 100644 index fcb95fb639e0..000000000000 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ /dev/null @@ -1,1496 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) -/* - * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles - * - * VGA text mode console part - * - * Copyright (C) 2005 by Thomas Winischhofer, Vienna, Austria - * - * If distributed as part of the Linux kernel, this code is licensed under the - * terms of the GPL v2. - * - * Otherwise, the following license terms apply: - * - * * Redistribution and use in source and binary forms, with or without - * * modification, are permitted provided that the following conditions - * * are met: - * * 1) Redistributions of source code must retain the above copyright - * * notice, this list of conditions and the following disclaimer. - * * 2) Redistributions in binary form must reproduce the above copyright - * * notice, this list of conditions and the following disclaimer in the - * * documentation and/or other materials provided with the distribution. - * * 3) The name of the author may not be used to endorse or promote products - * * derived from this software without specific psisusbr written permission. - * * - * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR - * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Author: Thomas Winischhofer - * - * Portions based on vgacon.c which are - * Created 28 Sep 1997 by Geert Uytterhoeven - * Rewritten by Martin Mares , July 1998 - * based on code Copyright (C) 1991, 1992 Linus Torvalds - * 1995 Jay Estabrook - * - * A note on using in_atomic() in here: We can't handle console - * calls from non-schedulable context due to our USB-dependend - * nature. For now, this driver just ignores any calls if it - * detects this state. - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "sisusb.h" -#include "sisusb_init.h" - -/* vc_data -> sisusb conversion table */ -static struct sisusb_usb_data *mysisusbs[MAX_NR_CONSOLES]; - -/* Forward declaration */ -static const struct consw sisusb_con; - -static inline void -sisusbcon_memsetw(u16 *s, u16 c, unsigned int count) -{ - memset16(s, c, count / 2); -} - -static inline void -sisusb_initialize(struct sisusb_usb_data *sisusb) -{ - /* Reset cursor and start address */ - if (sisusb_setidxreg(sisusb, SISCR, 0x0c, 0x00)) - return; - if (sisusb_setidxreg(sisusb, SISCR, 0x0d, 0x00)) - return; - if (sisusb_setidxreg(sisusb, SISCR, 0x0e, 0x00)) - return; - sisusb_setidxreg(sisusb, SISCR, 0x0f, 0x00); -} - -static inline void -sisusbcon_set_start_address(struct sisusb_usb_data *sisusb, struct vc_data *c) -{ - sisusb->cur_start_addr = (c->vc_visible_origin - sisusb->scrbuf) / 2; - - sisusb_setidxreg(sisusb, SISCR, 0x0c, (sisusb->cur_start_addr >> 8)); - sisusb_setidxreg(sisusb, SISCR, 0x0d, (sisusb->cur_start_addr & 0xff)); -} - -void -sisusb_set_cursor(struct sisusb_usb_data *sisusb, unsigned int location) -{ - if (sisusb->sisusb_cursor_loc == location) - return; - - sisusb->sisusb_cursor_loc = location; - - /* Hardware bug: Text cursor appears twice or not at all - * at some positions. Work around it with the cursor skew - * bits. - */ - - if ((location & 0x0007) == 0x0007) { - sisusb->bad_cursor_pos = 1; - location--; - if (sisusb_setidxregandor(sisusb, SISCR, 0x0b, 0x1f, 0x20)) - return; - } else if (sisusb->bad_cursor_pos) { - if (sisusb_setidxregand(sisusb, SISCR, 0x0b, 0x1f)) - return; - sisusb->bad_cursor_pos = 0; - } - - if (sisusb_setidxreg(sisusb, SISCR, 0x0e, (location >> 8))) - return; - sisusb_setidxreg(sisusb, SISCR, 0x0f, (location & 0xff)); -} - -static inline struct sisusb_usb_data * -sisusb_get_sisusb(unsigned short console) -{ - return mysisusbs[console]; -} - -static inline int -sisusb_sisusb_valid(struct sisusb_usb_data *sisusb) -{ - if (!sisusb->present || !sisusb->ready || !sisusb->sisusb_dev) - return 0; - - return 1; -} - -static struct sisusb_usb_data * -sisusb_get_sisusb_lock_and_check(unsigned short console) -{ - struct sisusb_usb_data *sisusb; - - /* We can't handle console calls in non-schedulable - * context due to our locks and the USB transport. - * So we simply ignore them. This should only affect - * some calls to printk. - */ - if (in_atomic()) - return NULL; - - sisusb = sisusb_get_sisusb(console); - if (!sisusb) - return NULL; - - mutex_lock(&sisusb->lock); - - if (!sisusb_sisusb_valid(sisusb) || - !sisusb->havethisconsole[console]) { - mutex_unlock(&sisusb->lock); - return NULL; - } - - return sisusb; -} - -static int -sisusb_is_inactive(struct vc_data *c, struct sisusb_usb_data *sisusb) -{ - if (sisusb->is_gfx || - sisusb->textmodedestroyed || - c->vc_mode != KD_TEXT) - return 1; - - return 0; -} - -/* con_startup console interface routine */ -static const char * -sisusbcon_startup(void) -{ - return "SISUSBCON"; -} - -/* con_init console interface routine */ -static void -sisusbcon_init(struct vc_data *c, int init) -{ - struct sisusb_usb_data *sisusb; - int cols, rows; - - /* This is called by do_take_over_console(), - * ie by us/under our control. It is - * only called after text mode and fonts - * are set up/restored. - */ - - sisusb = sisusb_get_sisusb(c->vc_num); - if (!sisusb) - return; - - mutex_lock(&sisusb->lock); - - if (!sisusb_sisusb_valid(sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - c->vc_can_do_color = 1; - - c->vc_complement_mask = 0x7700; - - c->vc_hi_font_mask = sisusb->current_font_512 ? 0x0800 : 0; - - sisusb->haveconsole = 1; - - sisusb->havethisconsole[c->vc_num] = 1; - - /* We only support 640x400 */ - c->vc_scan_lines = 400; - - c->vc_font.height = sisusb->current_font_height; - - /* We only support width = 8 */ - cols = 80; - rows = c->vc_scan_lines / c->vc_font.height; - - /* Increment usage count for our sisusb. - * Doing so saves us from upping/downing - * the disconnect semaphore; we can't - * lose our sisusb until this is undone - * in con_deinit. For all other console - * interface functions, it suffices to - * use sisusb->lock and do a quick check - * of sisusb for device disconnection. - */ - kref_get(&sisusb->kref); - - if (!*c->uni_pagedict_loc) - con_set_default_unimap(c); - - mutex_unlock(&sisusb->lock); - - if (init) { - c->vc_cols = cols; - c->vc_rows = rows; - } else - vc_resize(c, cols, rows); -} - -/* con_deinit console interface routine */ -static void -sisusbcon_deinit(struct vc_data *c) -{ - struct sisusb_usb_data *sisusb; - int i; - - /* This is called by do_take_over_console() - * and others, ie not under our control. - */ - - sisusb = sisusb_get_sisusb(c->vc_num); - if (!sisusb) - return; - - mutex_lock(&sisusb->lock); - - /* Clear ourselves in mysisusbs */ - mysisusbs[c->vc_num] = NULL; - - sisusb->havethisconsole[c->vc_num] = 0; - - /* Free our font buffer if all consoles are gone */ - if (sisusb->font_backup) { - for(i = 0; i < MAX_NR_CONSOLES; i++) { - if (sisusb->havethisconsole[c->vc_num]) - break; - } - if (i == MAX_NR_CONSOLES) { - vfree(sisusb->font_backup); - sisusb->font_backup = NULL; - } - } - - mutex_unlock(&sisusb->lock); - - /* decrement the usage count on our sisusb */ - kref_put(&sisusb->kref, sisusb_delete); -} - -/* interface routine */ -static u8 -sisusbcon_build_attr(struct vc_data *c, u8 color, enum vc_intensity intensity, - bool blink, bool underline, bool reverse, - bool unused) -{ - u8 attr = color; - - if (underline) - attr = (attr & 0xf0) | c->vc_ulcolor; - else if (intensity == VCI_HALF_BRIGHT) - attr = (attr & 0xf0) | c->vc_halfcolor; - - if (reverse) - attr = ((attr) & 0x88) | - ((((attr) >> 4) | - ((attr) << 4)) & 0x77); - - if (blink) - attr ^= 0x80; - - if (intensity == VCI_BOLD) - attr ^= 0x08; - - return attr; -} - -/* Interface routine */ -static void -sisusbcon_invert_region(struct vc_data *vc, u16 *p, int count) -{ - /* Invert a region. This is called with a pointer - * to the console's internal screen buffer. So we - * simply do the inversion there and rely on - * a call to putc(s) to update the real screen. - */ - - while (count--) { - u16 a = *p; - - *p++ = ((a) & 0x88ff) | - (((a) & 0x7000) >> 4) | - (((a) & 0x0700) << 4); - } -} - -static inline void *sisusb_vaddr(const struct sisusb_usb_data *sisusb, - const struct vc_data *c, unsigned int x, unsigned int y) -{ - return (u16 *)c->vc_origin + y * sisusb->sisusb_num_columns + x; -} - -static inline unsigned long sisusb_haddr(const struct sisusb_usb_data *sisusb, - const struct vc_data *c, unsigned int x, unsigned int y) -{ - unsigned long offset = c->vc_origin - sisusb->scrbuf; - - /* 2 bytes per each character */ - offset += 2 * (y * sisusb->sisusb_num_columns + x); - - return sisusb->vrambase + offset; -} - -/* Interface routine */ -static void -sisusbcon_putc(struct vc_data *c, int ch, int y, int x) -{ - struct sisusb_usb_data *sisusb; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return; - - /* sisusb->lock is down */ - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y), - sisusb_haddr(sisusb, c, x, y), 2); - - mutex_unlock(&sisusb->lock); -} - -/* Interface routine */ -static void -sisusbcon_putcs(struct vc_data *c, const unsigned short *s, - int count, int y, int x) -{ - struct sisusb_usb_data *sisusb; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return; - - /* sisusb->lock is down */ - - /* Need to put the characters into the buffer ourselves, - * because the vt does this AFTER calling us. - */ - - memcpy(sisusb_vaddr(sisusb, c, x, y), s, count * 2); - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y), - sisusb_haddr(sisusb, c, x, y), count * 2); - - mutex_unlock(&sisusb->lock); -} - -/* Interface routine */ -static void -sisusbcon_clear(struct vc_data *c, int y, int x, int height, int width) -{ - struct sisusb_usb_data *sisusb; - u16 eattr = c->vc_video_erase_char; - int i, length, cols; - u16 *dest; - - if (width <= 0 || height <= 0) - return; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return; - - /* sisusb->lock is down */ - - /* Need to clear buffer ourselves, because the vt does - * this AFTER calling us. - */ - - dest = sisusb_vaddr(sisusb, c, x, y); - - cols = sisusb->sisusb_num_columns; - - if (width > cols) - width = cols; - - if (x == 0 && width >= c->vc_cols) { - - sisusbcon_memsetw(dest, eattr, height * cols * 2); - - } else { - - for (i = height; i > 0; i--, dest += cols) - sisusbcon_memsetw(dest, eattr, width * 2); - - } - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - length = ((height * cols) - x - (cols - width - x)) * 2; - - - sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y), - sisusb_haddr(sisusb, c, x, y), length); - - mutex_unlock(&sisusb->lock); -} - -/* interface routine */ -static int -sisusbcon_switch(struct vc_data *c) -{ - struct sisusb_usb_data *sisusb; - int length; - - /* Returnvalue 0 means we have fully restored screen, - * and vt doesn't need to call do_update_region(). - * Returnvalue != 0 naturally means the opposite. - */ - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return 0; - - /* sisusb->lock is down */ - - /* Don't write to screen if in gfx mode */ - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return 0; - } - - /* That really should not happen. It would mean we are - * being called while the vc is using its private buffer - * as origin. - */ - if (c->vc_origin == (unsigned long)c->vc_screenbuf) { - mutex_unlock(&sisusb->lock); - dev_dbg(&sisusb->sisusb_dev->dev, "ASSERT ORIGIN != SCREENBUF!\n"); - return 0; - } - - /* Check that we don't copy too much */ - length = min((int)c->vc_screenbuf_size, - (int)(sisusb->scrbuf + sisusb->scrbuf_size - c->vc_origin)); - - /* Restore the screen contents */ - memcpy((u16 *)c->vc_origin, (u16 *)c->vc_screenbuf, length); - - sisusb_copy_memory(sisusb, (u8 *)c->vc_origin, - sisusb_haddr(sisusb, c, 0, 0), length); - - mutex_unlock(&sisusb->lock); - - return 0; -} - -/* interface routine */ -static void -sisusbcon_save_screen(struct vc_data *c) -{ - struct sisusb_usb_data *sisusb; - int length; - - /* Save the current screen contents to vc's private - * buffer. - */ - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return; - - /* sisusb->lock is down */ - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - /* Check that we don't copy too much */ - length = min((int)c->vc_screenbuf_size, - (int)(sisusb->scrbuf + sisusb->scrbuf_size - c->vc_origin)); - - /* Save the screen contents to vc's private buffer */ - memcpy((u16 *)c->vc_screenbuf, (u16 *)c->vc_origin, length); - - mutex_unlock(&sisusb->lock); -} - -/* interface routine */ -static void -sisusbcon_set_palette(struct vc_data *c, const unsigned char *table) -{ - struct sisusb_usb_data *sisusb; - int i, j; - - /* Return value not used by vt */ - - if (!con_is_visible(c)) - return; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return; - - /* sisusb->lock is down */ - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - for (i = j = 0; i < 16; i++) { - if (sisusb_setreg(sisusb, SISCOLIDX, table[i])) - break; - if (sisusb_setreg(sisusb, SISCOLDATA, c->vc_palette[j++] >> 2)) - break; - if (sisusb_setreg(sisusb, SISCOLDATA, c->vc_palette[j++] >> 2)) - break; - if (sisusb_setreg(sisusb, SISCOLDATA, c->vc_palette[j++] >> 2)) - break; - } - - mutex_unlock(&sisusb->lock); -} - -/* interface routine */ -static int -sisusbcon_blank(struct vc_data *c, int blank, int mode_switch) -{ - struct sisusb_usb_data *sisusb; - u8 sr1, cr17, pmreg, cr63; - int ret = 0; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return 0; - - /* sisusb->lock is down */ - - if (mode_switch) - sisusb->is_gfx = blank ? 1 : 0; - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return 0; - } - - switch (blank) { - - case 1: /* Normal blanking: Clear screen */ - case -1: - sisusbcon_memsetw((u16 *)c->vc_origin, - c->vc_video_erase_char, - c->vc_screenbuf_size); - sisusb_copy_memory(sisusb, (u8 *)c->vc_origin, - sisusb_haddr(sisusb, c, 0, 0), - c->vc_screenbuf_size); - sisusb->con_blanked = 1; - ret = 1; - break; - - default: /* VESA blanking */ - switch (blank) { - case 0: /* Unblank */ - sr1 = 0x00; - cr17 = 0x80; - pmreg = 0x00; - cr63 = 0x00; - ret = 1; - sisusb->con_blanked = 0; - break; - case VESA_VSYNC_SUSPEND + 1: - sr1 = 0x20; - cr17 = 0x80; - pmreg = 0x80; - cr63 = 0x40; - break; - case VESA_HSYNC_SUSPEND + 1: - sr1 = 0x20; - cr17 = 0x80; - pmreg = 0x40; - cr63 = 0x40; - break; - case VESA_POWERDOWN + 1: - sr1 = 0x20; - cr17 = 0x00; - pmreg = 0xc0; - cr63 = 0x40; - break; - default: - mutex_unlock(&sisusb->lock); - return -EINVAL; - } - - sisusb_setidxregandor(sisusb, SISSR, 0x01, ~0x20, sr1); - sisusb_setidxregandor(sisusb, SISCR, 0x17, 0x7f, cr17); - sisusb_setidxregandor(sisusb, SISSR, 0x1f, 0x3f, pmreg); - sisusb_setidxregandor(sisusb, SISCR, 0x63, 0xbf, cr63); - - } - - mutex_unlock(&sisusb->lock); - - return ret; -} - -/* interface routine */ -static void -sisusbcon_scrolldelta(struct vc_data *c, int lines) -{ - struct sisusb_usb_data *sisusb; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return; - - /* sisusb->lock is down */ - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - vc_scrolldelta_helper(c, lines, sisusb->con_rolled_over, - (void *)sisusb->scrbuf, sisusb->scrbuf_size); - - sisusbcon_set_start_address(sisusb, c); - - mutex_unlock(&sisusb->lock); -} - -/* Interface routine */ -static void -sisusbcon_cursor(struct vc_data *c, int mode) -{ - struct sisusb_usb_data *sisusb; - int from, to, baseline; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return; - - /* sisusb->lock is down */ - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return; - } - - if (c->vc_origin != c->vc_visible_origin) { - c->vc_visible_origin = c->vc_origin; - sisusbcon_set_start_address(sisusb, c); - } - - if (mode == CM_ERASE) { - sisusb_setidxregor(sisusb, SISCR, 0x0a, 0x20); - sisusb->sisusb_cursor_size_to = -1; - mutex_unlock(&sisusb->lock); - return; - } - - sisusb_set_cursor(sisusb, (c->vc_pos - sisusb->scrbuf) / 2); - - baseline = c->vc_font.height - (c->vc_font.height < 10 ? 1 : 2); - - switch (CUR_SIZE(c->vc_cursor_type)) { - case CUR_BLOCK: from = 1; - to = c->vc_font.height; - break; - case CUR_TWO_THIRDS: from = c->vc_font.height / 3; - to = baseline; - break; - case CUR_LOWER_HALF: from = c->vc_font.height / 2; - to = baseline; - break; - case CUR_LOWER_THIRD: from = (c->vc_font.height * 2) / 3; - to = baseline; - break; - case CUR_NONE: from = 31; - to = 30; - break; - default: - case CUR_UNDERLINE: from = baseline - 1; - to = baseline; - break; - } - - if (sisusb->sisusb_cursor_size_from != from || - sisusb->sisusb_cursor_size_to != to) { - - sisusb_setidxreg(sisusb, SISCR, 0x0a, from); - sisusb_setidxregandor(sisusb, SISCR, 0x0b, 0xe0, to); - - sisusb->sisusb_cursor_size_from = from; - sisusb->sisusb_cursor_size_to = to; - } - - mutex_unlock(&sisusb->lock); -} - -static bool -sisusbcon_scroll_area(struct vc_data *c, struct sisusb_usb_data *sisusb, - unsigned int t, unsigned int b, enum con_scroll dir, - unsigned int lines) -{ - int cols = sisusb->sisusb_num_columns; - int length = ((b - t) * cols) * 2; - u16 eattr = c->vc_video_erase_char; - - /* sisusb->lock is down */ - - /* Scroll an area which does not match the - * visible screen's dimensions. This needs - * to be done separately, as it does not - * use hardware panning. - */ - - switch (dir) { - - case SM_UP: - memmove(sisusb_vaddr(sisusb, c, 0, t), - sisusb_vaddr(sisusb, c, 0, t + lines), - (b - t - lines) * cols * 2); - sisusbcon_memsetw(sisusb_vaddr(sisusb, c, 0, b - lines), - eattr, lines * cols * 2); - break; - - case SM_DOWN: - memmove(sisusb_vaddr(sisusb, c, 0, t + lines), - sisusb_vaddr(sisusb, c, 0, t), - (b - t - lines) * cols * 2); - sisusbcon_memsetw(sisusb_vaddr(sisusb, c, 0, t), eattr, - lines * cols * 2); - break; - } - - sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, 0, t), - sisusb_haddr(sisusb, c, 0, t), length); - - mutex_unlock(&sisusb->lock); - - return true; -} - -/* Interface routine */ -static bool -sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b, - enum con_scroll dir, unsigned int lines) -{ - struct sisusb_usb_data *sisusb; - u16 eattr = c->vc_video_erase_char; - int copyall = 0; - unsigned long oldorigin; - unsigned int delta = lines * c->vc_size_row; - - /* Returning != 0 means we have done the scrolling successfully. - * Returning 0 makes vt do the scrolling on its own. - * Note that con_scroll is only called if the console is - * visible. In that case, the origin should be our buffer, - * not the vt's private one. - */ - - if (!lines) - return true; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return false; - - /* sisusb->lock is down */ - - if (sisusb_is_inactive(c, sisusb)) { - mutex_unlock(&sisusb->lock); - return false; - } - - /* Special case */ - if (t || b != c->vc_rows) - return sisusbcon_scroll_area(c, sisusb, t, b, dir, lines); - - if (c->vc_origin != c->vc_visible_origin) { - c->vc_visible_origin = c->vc_origin; - sisusbcon_set_start_address(sisusb, c); - } - - /* limit amount to maximum realistic size */ - if (lines > c->vc_rows) - lines = c->vc_rows; - - oldorigin = c->vc_origin; - - switch (dir) { - - case SM_UP: - - if (c->vc_scr_end + delta >= - sisusb->scrbuf + sisusb->scrbuf_size) { - memcpy((u16 *)sisusb->scrbuf, - (u16 *)(oldorigin + delta), - c->vc_screenbuf_size - delta); - c->vc_origin = sisusb->scrbuf; - sisusb->con_rolled_over = oldorigin - sisusb->scrbuf; - copyall = 1; - } else - c->vc_origin += delta; - - sisusbcon_memsetw( - (u16 *)(c->vc_origin + c->vc_screenbuf_size - delta), - eattr, delta); - - break; - - case SM_DOWN: - - if (oldorigin - delta < sisusb->scrbuf) { - memmove((void *)sisusb->scrbuf + sisusb->scrbuf_size - - c->vc_screenbuf_size + delta, - (u16 *)oldorigin, - c->vc_screenbuf_size - delta); - c->vc_origin = sisusb->scrbuf + - sisusb->scrbuf_size - - c->vc_screenbuf_size; - sisusb->con_rolled_over = 0; - copyall = 1; - } else - c->vc_origin -= delta; - - c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size; - - scr_memsetw((u16 *)(c->vc_origin), eattr, delta); - - break; - } - - if (copyall) - sisusb_copy_memory(sisusb, - (u8 *)c->vc_origin, - sisusb_haddr(sisusb, c, 0, 0), - c->vc_screenbuf_size); - else if (dir == SM_UP) - sisusb_copy_memory(sisusb, - (u8 *)c->vc_origin + c->vc_screenbuf_size - delta, - sisusb_haddr(sisusb, c, 0, 0) + - c->vc_screenbuf_size - delta, - delta); - else - sisusb_copy_memory(sisusb, - (u8 *)c->vc_origin, - sisusb_haddr(sisusb, c, 0, 0), - delta); - - c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size; - c->vc_visible_origin = c->vc_origin; - - sisusbcon_set_start_address(sisusb, c); - - c->vc_pos = c->vc_pos - oldorigin + c->vc_origin; - - mutex_unlock(&sisusb->lock); - - return true; -} - -/* Interface routine */ -static int -sisusbcon_set_origin(struct vc_data *c) -{ - struct sisusb_usb_data *sisusb; - - /* Returning != 0 means we were successful. - * Returning 0 will vt make to use its own - * screenbuffer as the origin. - */ - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return 0; - - /* sisusb->lock is down */ - - if (sisusb_is_inactive(c, sisusb) || sisusb->con_blanked) { - mutex_unlock(&sisusb->lock); - return 0; - } - - c->vc_origin = c->vc_visible_origin = sisusb->scrbuf; - - sisusbcon_set_start_address(sisusb, c); - - sisusb->con_rolled_over = 0; - - mutex_unlock(&sisusb->lock); - - return true; -} - -/* Interface routine */ -static int -sisusbcon_resize(struct vc_data *c, unsigned int newcols, unsigned int newrows, - unsigned int user) -{ - struct sisusb_usb_data *sisusb; - int fh; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return -ENODEV; - - fh = sisusb->current_font_height; - - mutex_unlock(&sisusb->lock); - - /* We are quite unflexible as regards resizing. The vt code - * handles sizes where the line length isn't equal the pitch - * quite badly. As regards the rows, our panning tricks only - * work well if the number of rows equals the visible number - * of rows. - */ - - if (newcols != 80 || c->vc_scan_lines / fh != newrows) - return -EINVAL; - - return 0; -} - -int -sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot, - u8 *arg, int cmapsz, int ch512, int dorecalc, - struct vc_data *c, int fh, int uplock) -{ - int font_select = 0x00, i, err = 0; - u32 offset = 0; - u8 dummy; - - /* sisusb->lock is down */ - - /* - * The default font is kept in slot 0. - * A user font is loaded in slot 2 (256 ch) - * or 2+3 (512 ch). - */ - - if ((slot != 0 && slot != 2) || !fh) { - if (uplock) - mutex_unlock(&sisusb->lock); - return -EINVAL; - } - - if (set) - sisusb->font_slot = slot; - - /* Default font is always 256 */ - if (slot == 0) - ch512 = 0; - else - offset = 4 * cmapsz; - - font_select = (slot == 0) ? 0x00 : (ch512 ? 0x0e : 0x0a); - - err |= sisusb_setidxreg(sisusb, SISSR, 0x00, 0x01); /* Reset */ - err |= sisusb_setidxreg(sisusb, SISSR, 0x02, 0x04); /* Write to plane 2 */ - err |= sisusb_setidxreg(sisusb, SISSR, 0x04, 0x07); /* Memory mode a0-bf */ - err |= sisusb_setidxreg(sisusb, SISSR, 0x00, 0x03); /* Reset */ - - if (err) - goto font_op_error; - - err |= sisusb_setidxreg(sisusb, SISGR, 0x04, 0x03); /* Select plane read 2 */ - err |= sisusb_setidxreg(sisusb, SISGR, 0x05, 0x00); /* Disable odd/even */ - err |= sisusb_setidxreg(sisusb, SISGR, 0x06, 0x00); /* Address range a0-bf */ - - if (err) - goto font_op_error; - - if (arg) { - if (set) - for (i = 0; i < cmapsz; i++) { - err |= sisusb_writeb(sisusb, - sisusb->vrambase + offset + i, - arg[i]); - if (err) - break; - } - else - for (i = 0; i < cmapsz; i++) { - err |= sisusb_readb(sisusb, - sisusb->vrambase + offset + i, - &arg[i]); - if (err) - break; - } - - /* - * In 512-character mode, the character map is not contiguous if - * we want to remain EGA compatible -- which we do - */ - - if (ch512) { - if (set) - for (i = 0; i < cmapsz; i++) { - err |= sisusb_writeb(sisusb, - sisusb->vrambase + offset + - (2 * cmapsz) + i, - arg[cmapsz + i]); - if (err) - break; - } - else - for (i = 0; i < cmapsz; i++) { - err |= sisusb_readb(sisusb, - sisusb->vrambase + offset + - (2 * cmapsz) + i, - &arg[cmapsz + i]); - if (err) - break; - } - } - } - - if (err) - goto font_op_error; - - err |= sisusb_setidxreg(sisusb, SISSR, 0x00, 0x01); /* Reset */ - err |= sisusb_setidxreg(sisusb, SISSR, 0x02, 0x03); /* Write to planes 0+1 */ - err |= sisusb_setidxreg(sisusb, SISSR, 0x04, 0x03); /* Memory mode a0-bf */ - if (set) - sisusb_setidxreg(sisusb, SISSR, 0x03, font_select); - err |= sisusb_setidxreg(sisusb, SISSR, 0x00, 0x03); /* Reset end */ - - if (err) - goto font_op_error; - - err |= sisusb_setidxreg(sisusb, SISGR, 0x04, 0x00); /* Select plane read 0 */ - err |= sisusb_setidxreg(sisusb, SISGR, 0x05, 0x10); /* Enable odd/even */ - err |= sisusb_setidxreg(sisusb, SISGR, 0x06, 0x06); /* Address range b8-bf */ - - if (err) - goto font_op_error; - - if ((set) && (ch512 != sisusb->current_font_512)) { - - /* Font is shared among all our consoles. - * And so is the hi_font_mask. - */ - for (i = 0; i < MAX_NR_CONSOLES; i++) { - struct vc_data *d = vc_cons[i].d; - if (d && d->vc_sw == &sisusb_con) - d->vc_hi_font_mask = ch512 ? 0x0800 : 0; - } - - sisusb->current_font_512 = ch512; - - /* color plane enable register: - 256-char: enable intensity bit - 512-char: disable intensity bit */ - sisusb_getreg(sisusb, SISINPSTAT, &dummy); - sisusb_setreg(sisusb, SISAR, 0x12); - sisusb_setreg(sisusb, SISAR, ch512 ? 0x07 : 0x0f); - - sisusb_getreg(sisusb, SISINPSTAT, &dummy); - sisusb_setreg(sisusb, SISAR, 0x20); - sisusb_getreg(sisusb, SISINPSTAT, &dummy); - } - - if (dorecalc) { - - /* - * Adjust the screen to fit a font of a certain height - */ - - unsigned char ovr, vde, fsr; - int rows = 0, maxscan = 0; - - if (c) { - - /* Number of video rows */ - rows = c->vc_scan_lines / fh; - /* Scan lines to actually display-1 */ - maxscan = rows * fh - 1; - - /*printk(KERN_DEBUG "sisusb recalc rows %d maxscan %d fh %d sl %d\n", - rows, maxscan, fh, c->vc_scan_lines);*/ - - sisusb_getidxreg(sisusb, SISCR, 0x07, &ovr); - vde = maxscan & 0xff; - ovr = (ovr & 0xbd) | - ((maxscan & 0x100) >> 7) | - ((maxscan & 0x200) >> 3); - sisusb_setidxreg(sisusb, SISCR, 0x07, ovr); - sisusb_setidxreg(sisusb, SISCR, 0x12, vde); - - } - - sisusb_getidxreg(sisusb, SISCR, 0x09, &fsr); - fsr = (fsr & 0xe0) | (fh - 1); - sisusb_setidxreg(sisusb, SISCR, 0x09, fsr); - sisusb->current_font_height = fh; - - sisusb->sisusb_cursor_size_from = -1; - sisusb->sisusb_cursor_size_to = -1; - - } - - if (uplock) - mutex_unlock(&sisusb->lock); - - if (dorecalc && c) { - int rows = c->vc_scan_lines / fh; - - /* Now adjust our consoles' size */ - - for (i = 0; i < MAX_NR_CONSOLES; i++) { - struct vc_data *vc = vc_cons[i].d; - - if (vc && vc->vc_sw == &sisusb_con) { - if (con_is_visible(vc)) { - vc->vc_sw->con_cursor(vc, CM_DRAW); - } - vc->vc_font.height = fh; - vc_resize(vc, 0, rows); - } - } - } - - return 0; - -font_op_error: - if (uplock) - mutex_unlock(&sisusb->lock); - - return -EIO; -} - -/* Interface routine */ -static int -sisusbcon_font_set(struct vc_data *c, struct console_font *font, - unsigned int flags) -{ - struct sisusb_usb_data *sisusb; - unsigned charcount = font->charcount; - - if (font->width != 8 || (charcount != 256 && charcount != 512)) - return -EINVAL; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return -ENODEV; - - /* sisusb->lock is down */ - - /* Save the user-provided font into a buffer. This - * is used for restoring text mode after quitting - * from X and for the con_getfont routine. - */ - if (sisusb->font_backup) { - if (sisusb->font_backup_size < charcount) { - vfree(sisusb->font_backup); - sisusb->font_backup = NULL; - } - } - - if (!sisusb->font_backup) - sisusb->font_backup = vmalloc(array_size(charcount, 32)); - - if (sisusb->font_backup) { - memcpy(sisusb->font_backup, font->data, array_size(charcount, 32)); - sisusb->font_backup_size = charcount; - sisusb->font_backup_height = font->height; - sisusb->font_backup_512 = (charcount == 512) ? 1 : 0; - } - - /* do_font_op ups sisusb->lock */ - - return sisusbcon_do_font_op(sisusb, 1, 2, font->data, - 8192, (charcount == 512), - (!(flags & KD_FONT_FLAG_DONT_RECALC)) ? 1 : 0, - c, font->height, 1); -} - -/* Interface routine */ -static int -sisusbcon_font_get(struct vc_data *c, struct console_font *font) -{ - struct sisusb_usb_data *sisusb; - - sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); - if (!sisusb) - return -ENODEV; - - /* sisusb->lock is down */ - - font->width = 8; - font->height = c->vc_font.height; - font->charcount = 256; - - if (!font->data) { - mutex_unlock(&sisusb->lock); - return 0; - } - - if (!sisusb->font_backup) { - mutex_unlock(&sisusb->lock); - return -ENODEV; - } - - /* Copy 256 chars only, like vgacon */ - memcpy(font->data, sisusb->font_backup, 256 * 32); - - mutex_unlock(&sisusb->lock); - - return 0; -} - -/* - * The console `switch' structure for the sisusb console - */ - -static const struct consw sisusb_con = { - .owner = THIS_MODULE, - .con_startup = sisusbcon_startup, - .con_init = sisusbcon_init, - .con_deinit = sisusbcon_deinit, - .con_clear = sisusbcon_clear, - .con_putc = sisusbcon_putc, - .con_putcs = sisusbcon_putcs, - .con_cursor = sisusbcon_cursor, - .con_scroll = sisusbcon_scroll, - .con_switch = sisusbcon_switch, - .con_blank = sisusbcon_blank, - .con_font_set = sisusbcon_font_set, - .con_font_get = sisusbcon_font_get, - .con_set_palette = sisusbcon_set_palette, - .con_scrolldelta = sisusbcon_scrolldelta, - .con_build_attr = sisusbcon_build_attr, - .con_invert_region = sisusbcon_invert_region, - .con_set_origin = sisusbcon_set_origin, - .con_save_screen = sisusbcon_save_screen, - .con_resize = sisusbcon_resize, -}; - -/* Our very own dummy console driver */ - -static const char *sisusbdummycon_startup(void) -{ - return "SISUSBVGADUMMY"; -} - -static void sisusbdummycon_init(struct vc_data *vc, int init) -{ - vc->vc_can_do_color = 1; - if (init) { - vc->vc_cols = 80; - vc->vc_rows = 25; - } else - vc_resize(vc, 80, 25); -} - -static void sisusbdummycon_deinit(struct vc_data *vc) { } -static void sisusbdummycon_clear(struct vc_data *vc, int sy, int sx, - int height, int width) { } -static void sisusbdummycon_putc(struct vc_data *vc, int c, int ypos, - int xpos) { } -static void sisusbdummycon_putcs(struct vc_data *vc, const unsigned short *s, - int count, int ypos, int xpos) { } -static void sisusbdummycon_cursor(struct vc_data *vc, int mode) { } - -static bool sisusbdummycon_scroll(struct vc_data *vc, unsigned int top, - unsigned int bottom, enum con_scroll dir, - unsigned int lines) -{ - return false; -} - -static int sisusbdummycon_switch(struct vc_data *vc) -{ - return 0; -} - -static int sisusbdummycon_blank(struct vc_data *vc, int blank, int mode_switch) -{ - return 0; -} - -static const struct consw sisusb_dummy_con = { - .owner = THIS_MODULE, - .con_startup = sisusbdummycon_startup, - .con_init = sisusbdummycon_init, - .con_deinit = sisusbdummycon_deinit, - .con_clear = sisusbdummycon_clear, - .con_putc = sisusbdummycon_putc, - .con_putcs = sisusbdummycon_putcs, - .con_cursor = sisusbdummycon_cursor, - .con_scroll = sisusbdummycon_scroll, - .con_switch = sisusbdummycon_switch, - .con_blank = sisusbdummycon_blank, -}; - -int -sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last) -{ - int i, ret; - - mutex_lock(&sisusb->lock); - - /* Erm.. that should not happen */ - if (sisusb->haveconsole || !sisusb->SiS_Pr) { - mutex_unlock(&sisusb->lock); - return 1; - } - - sisusb->con_first = first; - sisusb->con_last = last; - - if (first > last || - first > MAX_NR_CONSOLES || - last > MAX_NR_CONSOLES) { - mutex_unlock(&sisusb->lock); - return 1; - } - - /* If gfxcore not initialized or no consoles given, quit graciously */ - if (!sisusb->gfxinit || first < 1 || last < 1) { - mutex_unlock(&sisusb->lock); - return 0; - } - - sisusb->sisusb_cursor_loc = -1; - sisusb->sisusb_cursor_size_from = -1; - sisusb->sisusb_cursor_size_to = -1; - - /* Set up text mode (and upload default font) */ - if (sisusb_reset_text_mode(sisusb, 1)) { - mutex_unlock(&sisusb->lock); - dev_err(&sisusb->sisusb_dev->dev, "Failed to set up text mode\n"); - return 1; - } - - /* Initialize some gfx registers */ - sisusb_initialize(sisusb); - - for (i = first - 1; i <= last - 1; i++) { - /* Save sisusb for our interface routines */ - mysisusbs[i] = sisusb; - } - - /* Initial console setup */ - sisusb->sisusb_num_columns = 80; - - /* Use a 32K buffer (matches b8000-bffff area) */ - sisusb->scrbuf_size = 32 * 1024; - - /* Allocate screen buffer */ - if (!(sisusb->scrbuf = (unsigned long)vmalloc(sisusb->scrbuf_size))) { - mutex_unlock(&sisusb->lock); - dev_err(&sisusb->sisusb_dev->dev, "Failed to allocate screen buffer\n"); - return 1; - } - - mutex_unlock(&sisusb->lock); - - /* Now grab the desired console(s) */ - console_lock(); - ret = do_take_over_console(&sisusb_con, first - 1, last - 1, 0); - console_unlock(); - if (!ret) - sisusb->haveconsole = 1; - else { - for (i = first - 1; i <= last - 1; i++) - mysisusbs[i] = NULL; - } - - return ret; -} - -void -sisusb_console_exit(struct sisusb_usb_data *sisusb) -{ - int i; - - /* This is called if the device is disconnected - * and while disconnect and lock semaphores - * are up. This should be save because we - * can't lose our sisusb any other way but by - * disconnection (and hence, the disconnect - * sema is for protecting all other access - * functions from disconnection, not the - * other way round). - */ - - /* Now what do we do in case of disconnection: - * One alternative would be to simply call - * give_up_console(). Nah, not a good idea. - * give_up_console() is obviously buggy as it - * only discards the consw pointer from the - * driver_map, but doesn't adapt vc->vc_sw - * of the affected consoles. Hence, the next - * call to any of the console functions will - * eventually take a trip to oops county. - * Also, give_up_console for some reason - * doesn't decrement our module refcount. - * Instead, we switch our consoles to a private - * dummy console. This, of course, keeps our - * refcount up as well, but it works perfectly. - */ - - if (sisusb->haveconsole) { - for (i = 0; i < MAX_NR_CONSOLES; i++) - if (sisusb->havethisconsole[i]) { - console_lock(); - do_take_over_console(&sisusb_dummy_con, i, i, 0); - console_unlock(); - /* At this point, con_deinit for all our - * consoles is executed by do_take_over_console(). - */ - } - sisusb->haveconsole = 0; - } - - vfree((void *)sisusb->scrbuf); - sisusb->scrbuf = 0; - - vfree(sisusb->font_backup); - sisusb->font_backup = NULL; -} - -void __init sisusb_init_concode(void) -{ - int i; - - for (i = 0; i < MAX_NR_CONSOLES; i++) - mysisusbs[i] = NULL; -} diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.c b/drivers/usb/misc/sisusbvga/sisusb_init.c deleted file mode 100644 index 7c11198d5dda..000000000000 --- a/drivers/usb/misc/sisusbvga/sisusb_init.c +++ /dev/null @@ -1,955 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) -/* - * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles - * - * Display mode initializing code - * - * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria - * - * If distributed as part of the Linux kernel, this code is licensed under the - * terms of the GPL v2. - * - * Otherwise, the following license terms apply: - * - * * Redistribution and use in source and binary forms, with or without - * * modification, are permitted provided that the following conditions - * * are met: - * * 1) Redistributions of source code must retain the above copyright - * * notice, this list of conditions and the following disclaimer. - * * 2) Redistributions in binary form must reproduce the above copyright - * * notice, this list of conditions and the following disclaimer in the - * * documentation and/or other materials provided with the distribution. - * * 3) The name of the author may not be used to endorse or promote products - * * derived from this software without specific prior written permission. - * * - * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Author: Thomas Winischhofer - * - */ - -#include -#include -#include -#include -#include - -#include "sisusb.h" -#include "sisusb_init.h" -#include "sisusb_tables.h" - -/*********************************************/ -/* POINTER INITIALIZATION */ -/*********************************************/ - -static void SiSUSB_InitPtr(struct SiS_Private *SiS_Pr) -{ - SiS_Pr->SiS_ModeResInfo = SiSUSB_ModeResInfo; - SiS_Pr->SiS_StandTable = SiSUSB_StandTable; - - SiS_Pr->SiS_SModeIDTable = SiSUSB_SModeIDTable; - SiS_Pr->SiS_EModeIDTable = SiSUSB_EModeIDTable; - SiS_Pr->SiS_RefIndex = SiSUSB_RefIndex; - SiS_Pr->SiS_CRT1Table = SiSUSB_CRT1Table; - - SiS_Pr->SiS_VCLKData = SiSUSB_VCLKData; -} - -/*********************************************/ -/* HELPER: SetReg, GetReg */ -/*********************************************/ - -static void -SiS_SetReg(struct SiS_Private *SiS_Pr, unsigned long port, - unsigned short index, unsigned short data) -{ - sisusb_setidxreg(SiS_Pr->sisusb, port, index, data); -} - -static void -SiS_SetRegByte(struct SiS_Private *SiS_Pr, unsigned long port, - unsigned short data) -{ - sisusb_setreg(SiS_Pr->sisusb, port, data); -} - -static unsigned char -SiS_GetReg(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short index) -{ - u8 data; - - sisusb_getidxreg(SiS_Pr->sisusb, port, index, &data); - - return data; -} - -static unsigned char -SiS_GetRegByte(struct SiS_Private *SiS_Pr, unsigned long port) -{ - u8 data; - - sisusb_getreg(SiS_Pr->sisusb, port, &data); - - return data; -} - -static void -SiS_SetRegANDOR(struct SiS_Private *SiS_Pr, unsigned long port, - unsigned short index, unsigned short DataAND, - unsigned short DataOR) -{ - sisusb_setidxregandor(SiS_Pr->sisusb, port, index, DataAND, DataOR); -} - -static void -SiS_SetRegAND(struct SiS_Private *SiS_Pr, unsigned long port, - unsigned short index, unsigned short DataAND) -{ - sisusb_setidxregand(SiS_Pr->sisusb, port, index, DataAND); -} - -static void -SiS_SetRegOR(struct SiS_Private *SiS_Pr, unsigned long port, - unsigned short index, unsigned short DataOR) -{ - sisusb_setidxregor(SiS_Pr->sisusb, port, index, DataOR); -} - -/*********************************************/ -/* HELPER: DisplayOn, DisplayOff */ -/*********************************************/ - -static void SiS_DisplayOn(struct SiS_Private *SiS_Pr) -{ - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0xDF); -} - -/*********************************************/ -/* HELPER: Init Port Addresses */ -/*********************************************/ - -static void SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr) -{ - SiS_Pr->SiS_P3c4 = BaseAddr + 0x14; - SiS_Pr->SiS_P3d4 = BaseAddr + 0x24; - SiS_Pr->SiS_P3c0 = BaseAddr + 0x10; - SiS_Pr->SiS_P3ce = BaseAddr + 0x1e; - SiS_Pr->SiS_P3c2 = BaseAddr + 0x12; - SiS_Pr->SiS_P3ca = BaseAddr + 0x1a; - SiS_Pr->SiS_P3c6 = BaseAddr + 0x16; - SiS_Pr->SiS_P3c7 = BaseAddr + 0x17; - SiS_Pr->SiS_P3c8 = BaseAddr + 0x18; - SiS_Pr->SiS_P3c9 = BaseAddr + 0x19; - SiS_Pr->SiS_P3cb = BaseAddr + 0x1b; - SiS_Pr->SiS_P3cc = BaseAddr + 0x1c; - SiS_Pr->SiS_P3cd = BaseAddr + 0x1d; - SiS_Pr->SiS_P3da = BaseAddr + 0x2a; - SiS_Pr->SiS_Part1Port = BaseAddr + SIS_CRT2_PORT_04; -} - -/*********************************************/ -/* HELPER: GetSysFlags */ -/*********************************************/ - -static void SiS_GetSysFlags(struct SiS_Private *SiS_Pr) -{ - SiS_Pr->SiS_MyCR63 = 0x63; -} - -/*********************************************/ -/* HELPER: Init PCI & Engines */ -/*********************************************/ - -static void SiSInitPCIetc(struct SiS_Private *SiS_Pr) -{ - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x20, 0xa1); - /* - Enable 2D (0x40) - * - Enable 3D (0x02) - * - Enable 3D vertex command fetch (0x10) - * - Enable 3D command parser (0x08) - * - Enable 3D G/L transformation engine (0x80) - */ - SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1E, 0xDA); -} - -/*********************************************/ -/* HELPER: SET SEGMENT REGISTERS */ -/*********************************************/ - -static void SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value) -{ - unsigned short temp; - - value &= 0x00ff; - temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0xf0; - temp |= (value >> 4); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp); - temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0xf0; - temp |= (value & 0x0f); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp); -} - -static void SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value) -{ - unsigned short temp; - - value &= 0x00ff; - temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0x0f; - temp |= (value & 0xf0); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp); - temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0x0f; - temp |= (value << 4); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp); -} - -static void SiS_SetSegmentReg(struct SiS_Private *SiS_Pr, unsigned short value) -{ - SiS_SetSegRegLower(SiS_Pr, value); - SiS_SetSegRegUpper(SiS_Pr, value); -} - -static void SiS_ResetSegmentReg(struct SiS_Private *SiS_Pr) -{ - SiS_SetSegmentReg(SiS_Pr, 0); -} - -static void -SiS_SetSegmentRegOver(struct SiS_Private *SiS_Pr, unsigned short value) -{ - unsigned short temp = value >> 8; - - temp &= 0x07; - temp |= (temp << 4); - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1d, temp); - SiS_SetSegmentReg(SiS_Pr, value); -} - -static void SiS_ResetSegmentRegOver(struct SiS_Private *SiS_Pr) -{ - SiS_SetSegmentRegOver(SiS_Pr, 0); -} - -static void SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr) -{ - SiS_ResetSegmentReg(SiS_Pr); - SiS_ResetSegmentRegOver(SiS_Pr); -} - -/*********************************************/ -/* HELPER: SearchModeID */ -/*********************************************/ - -static int -SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo, - unsigned short *ModeIdIndex) -{ - if ((*ModeNo) <= 0x13) { - - if ((*ModeNo) != 0x03) - return 0; - - (*ModeIdIndex) = 0; - - } else { - - for (*ModeIdIndex = 0;; (*ModeIdIndex)++) { - - if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == - (*ModeNo)) - break; - - if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == - 0xFF) - return 0; - } - - } - - return 1; -} - -/*********************************************/ -/* HELPER: ENABLE CRT1 */ -/*********************************************/ - -static void SiS_HandleCRT1(struct SiS_Private *SiS_Pr) -{ - /* Enable CRT1 gating */ - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, SiS_Pr->SiS_MyCR63, 0xbf); -} - -/*********************************************/ -/* HELPER: GetColorDepth */ -/*********************************************/ - -static unsigned short -SiS_GetColorDepth(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short ModeIdIndex) -{ - static const unsigned short ColorDepth[6] = { 1, 2, 4, 4, 6, 8 }; - unsigned short modeflag; - short index; - - if (ModeNo <= 0x13) { - modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag; - } else { - modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; - } - - index = (modeflag & ModeTypeMask) - ModeEGA; - if (index < 0) - index = 0; - return ColorDepth[index]; -} - -/*********************************************/ -/* HELPER: GetOffset */ -/*********************************************/ - -static unsigned short -SiS_GetOffset(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short ModeIdIndex, unsigned short rrti) -{ - unsigned short xres, temp, colordepth, infoflag; - - infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag; - xres = SiS_Pr->SiS_RefIndex[rrti].XRes; - - colordepth = SiS_GetColorDepth(SiS_Pr, ModeNo, ModeIdIndex); - - temp = xres / 16; - - if (infoflag & InterlaceMode) - temp <<= 1; - - temp *= colordepth; - - if (xres % 16) - temp += (colordepth >> 1); - - return temp; -} - -/*********************************************/ -/* SEQ */ -/*********************************************/ - -static void -SiS_SetSeqRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) -{ - unsigned char SRdata; - int i; - - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x00, 0x03); - - SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0] | 0x20; - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, SRdata); - - for (i = 2; i <= 4; i++) { - SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[i - 1]; - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, SRdata); - } -} - -/*********************************************/ -/* MISC */ -/*********************************************/ - -static void -SiS_SetMiscRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) -{ - unsigned char Miscdata = SiS_Pr->SiS_StandTable[StandTableIndex].MISC; - - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, Miscdata); -} - -/*********************************************/ -/* CRTC */ -/*********************************************/ - -static void -SiS_SetCRTCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) -{ - unsigned char CRTCdata; - unsigned short i; - - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f); - - for (i = 0; i <= 0x18; i++) { - CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i]; - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, i, CRTCdata); - } -} - -/*********************************************/ -/* ATT */ -/*********************************************/ - -static void -SiS_SetATTRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) -{ - unsigned char ARdata; - unsigned short i; - - for (i = 0; i <= 0x13; i++) { - ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i]; - SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, i); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, ARdata); - } - SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x14); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x00); - - SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x20); - SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); -} - -/*********************************************/ -/* GRC */ -/*********************************************/ - -static void -SiS_SetGRCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) -{ - unsigned char GRdata; - unsigned short i; - - for (i = 0; i <= 0x08; i++) { - GRdata = SiS_Pr->SiS_StandTable[StandTableIndex].GRC[i]; - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3ce, i, GRdata); - } - - if (SiS_Pr->SiS_ModeType > ModeVGA) { - /* 256 color disable */ - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3ce, 0x05, 0xBF); - } -} - -/*********************************************/ -/* CLEAR EXTENDED REGISTERS */ -/*********************************************/ - -static void SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo) -{ - int i; - - for (i = 0x0A; i <= 0x0E; i++) { - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, 0x00); - } - - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x37, 0xFE); -} - -/*********************************************/ -/* Get rate index */ -/*********************************************/ - -static unsigned short -SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short ModeIdIndex) -{ - unsigned short rrti, i, index, temp; - - if (ModeNo <= 0x13) - return 0xFFFF; - - index = SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x33) & 0x0F; - if (index > 0) - index--; - - rrti = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex; - ModeNo = SiS_Pr->SiS_RefIndex[rrti].ModeID; - - i = 0; - do { - if (SiS_Pr->SiS_RefIndex[rrti + i].ModeID != ModeNo) - break; - - temp = - SiS_Pr->SiS_RefIndex[rrti + i].Ext_InfoFlag & ModeTypeMask; - if (temp < SiS_Pr->SiS_ModeType) - break; - - i++; - index--; - } while (index != 0xFFFF); - - i--; - - return (rrti + i); -} - -/*********************************************/ -/* SYNC */ -/*********************************************/ - -static void SiS_SetCRT1Sync(struct SiS_Private *SiS_Pr, unsigned short rrti) -{ - unsigned short sync = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag >> 8; - sync &= 0xC0; - sync |= 0x2f; - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, sync); -} - -/*********************************************/ -/* CRTC/2 */ -/*********************************************/ - -static void -SiS_SetCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short ModeIdIndex, unsigned short rrti) -{ - unsigned char index; - unsigned short temp, i, j, modeflag; - - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f); - - modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; - - index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRT1CRTC; - - for (i = 0, j = 0; i <= 7; i++, j++) { - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, - SiS_Pr->SiS_CRT1Table[index].CR[i]); - } - for (j = 0x10; i <= 10; i++, j++) { - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, - SiS_Pr->SiS_CRT1Table[index].CR[i]); - } - for (j = 0x15; i <= 12; i++, j++) { - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, - SiS_Pr->SiS_CRT1Table[index].CR[i]); - } - for (j = 0x0A; i <= 15; i++, j++) { - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, j, - SiS_Pr->SiS_CRT1Table[index].CR[i]); - } - - temp = SiS_Pr->SiS_CRT1Table[index].CR[16] & 0xE0; - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, temp); - - temp = ((SiS_Pr->SiS_CRT1Table[index].CR[16]) & 0x01) << 5; - if (modeflag & DoubleScanMode) - temp |= 0x80; - SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x09, 0x5F, temp); - - if (SiS_Pr->SiS_ModeType > ModeVGA) - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x14, 0x4F); -} - -/*********************************************/ -/* OFFSET & PITCH */ -/*********************************************/ -/* (partly overruled by SetPitch() in XF86) */ -/*********************************************/ - -static void -SiS_SetCRT1Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short ModeIdIndex, unsigned short rrti) -{ - unsigned short du = SiS_GetOffset(SiS_Pr, ModeNo, ModeIdIndex, rrti); - unsigned short infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag; - unsigned short temp; - - temp = (du >> 8) & 0x0f; - SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, 0xF0, temp); - - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x13, (du & 0xFF)); - - if (infoflag & InterlaceMode) - du >>= 1; - - du <<= 5; - temp = (du >> 8) & 0xff; - if (du & 0xff) - temp++; - temp++; - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x10, temp); -} - -/*********************************************/ -/* VCLK */ -/*********************************************/ - -static void -SiS_SetCRT1VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short rrti) -{ - unsigned short index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK; - unsigned short clka = SiS_Pr->SiS_VCLKData[index].SR2B; - unsigned short clkb = SiS_Pr->SiS_VCLKData[index].SR2C; - - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xCF); - - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2B, clka); - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2C, clkb); - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2D, 0x01); -} - -/*********************************************/ -/* FIFO */ -/*********************************************/ - -static void -SiS_SetCRT1FIFO_310(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short mi) -{ - unsigned short modeflag = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag; - - /* disable auto-threshold */ - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0xFE); - - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0xAE); - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x09, 0xF0); - - if (ModeNo <= 0x13) - return; - - if ((!(modeflag & DoubleScanMode)) || (!(modeflag & HalfDCLK))) { - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0x34); - SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0x01); - } -} - -/*********************************************/ -/* MODE REGISTERS */ -/*********************************************/ - -static void -SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short rrti) -{ - unsigned short data = 0, VCLK = 0, index = 0; - - if (ModeNo > 0x13) { - index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK; - VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK; - } - - if (VCLK >= 166) - data |= 0x0c; - SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x32, 0xf3, data); - - if (VCLK >= 166) - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1f, 0xe7); - - /* DAC speed */ - data = 0x03; - if (VCLK >= 260) - data = 0x00; - else if (VCLK >= 160) - data = 0x01; - else if (VCLK >= 135) - data = 0x02; - - SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x07, 0xF8, data); -} - -static void -SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short ModeIdIndex, unsigned short rrti) -{ - unsigned short data, infoflag = 0, modeflag; - - if (ModeNo <= 0x13) - modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag; - else { - modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; - infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag; - } - - /* Disable DPMS */ - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1F, 0x3F); - - data = 0; - if (ModeNo > 0x13) { - if (SiS_Pr->SiS_ModeType > ModeEGA) { - data |= 0x02; - data |= ((SiS_Pr->SiS_ModeType - ModeVGA) << 2); - } - if (infoflag & InterlaceMode) - data |= 0x20; - } - SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x06, 0xC0, data); - - data = 0; - if (infoflag & InterlaceMode) { - /* data = (Hsync / 8) - ((Htotal / 8) / 2) + 3 */ - unsigned short hrs = - (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x04) | - ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0xc0) << 2)) - - 3; - unsigned short hto = - (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x00) | - ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0x03) << 8)) - + 5; - data = hrs - (hto >> 1) + 3; - } - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x19, (data & 0xFF)); - SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x1a, 0xFC, (data >> 8)); - - if (modeflag & HalfDCLK) - SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0x08); - - data = 0; - if (modeflag & LineCompareOff) - data = 0x08; - SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0xB7, data); - - if ((SiS_Pr->SiS_ModeType == ModeEGA) && (ModeNo > 0x13)) - SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0x40); - - SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xfb); - - data = 0x60; - if (SiS_Pr->SiS_ModeType != ModeText) { - data ^= 0x60; - if (SiS_Pr->SiS_ModeType != ModeEGA) - data ^= 0xA0; - } - SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x21, 0x1F, data); - - SiS_SetVCLKState(SiS_Pr, ModeNo, rrti); - - if (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x31) & 0x40) - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x2c); - else - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x6c); -} - -/*********************************************/ -/* LOAD DAC */ -/*********************************************/ - -static void -SiS_WriteDAC(struct SiS_Private *SiS_Pr, unsigned long DACData, - unsigned short shiftflag, unsigned short dl, unsigned short ah, - unsigned short al, unsigned short dh) -{ - unsigned short d1, d2, d3; - - switch (dl) { - case 0: - d1 = dh; - d2 = ah; - d3 = al; - break; - case 1: - d1 = ah; - d2 = al; - d3 = dh; - break; - default: - d1 = al; - d2 = dh; - d3 = ah; - } - SiS_SetRegByte(SiS_Pr, DACData, (d1 << shiftflag)); - SiS_SetRegByte(SiS_Pr, DACData, (d2 << shiftflag)); - SiS_SetRegByte(SiS_Pr, DACData, (d3 << shiftflag)); -} - -static void -SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short mi) -{ - unsigned short data, data2, time, i, j, k, m, n, o; - unsigned short si, di, bx, sf; - unsigned long DACAddr, DACData; - const unsigned char *table = NULL; - - if (ModeNo < 0x13) - data = SiS_Pr->SiS_SModeIDTable[mi].St_ModeFlag; - else - data = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag; - - data &= DACInfoFlag; - - j = time = 64; - if (data == 0x00) - table = SiS_MDA_DAC; - else if (data == 0x08) - table = SiS_CGA_DAC; - else if (data == 0x10) - table = SiS_EGA_DAC; - else { - j = 16; - time = 256; - table = SiS_VGA_DAC; - } - - DACAddr = SiS_Pr->SiS_P3c8; - DACData = SiS_Pr->SiS_P3c9; - sf = 0; - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF); - - SiS_SetRegByte(SiS_Pr, DACAddr, 0x00); - - for (i = 0; i < j; i++) { - data = table[i]; - for (k = 0; k < 3; k++) { - data2 = 0; - if (data & 0x01) - data2 += 0x2A; - if (data & 0x02) - data2 += 0x15; - SiS_SetRegByte(SiS_Pr, DACData, (data2 << sf)); - data >>= 2; - } - } - - if (time == 256) { - for (i = 16; i < 32; i++) { - data = table[i] << sf; - for (k = 0; k < 3; k++) - SiS_SetRegByte(SiS_Pr, DACData, data); - } - si = 32; - for (m = 0; m < 9; m++) { - di = si; - bx = si + 4; - for (n = 0; n < 3; n++) { - for (o = 0; o < 5; o++) { - SiS_WriteDAC(SiS_Pr, DACData, sf, n, - table[di], table[bx], - table[si]); - si++; - } - si -= 2; - for (o = 0; o < 3; o++) { - SiS_WriteDAC(SiS_Pr, DACData, sf, n, - table[di], table[si], - table[bx]); - si--; - } - } - si += 5; - } - } -} - -/*********************************************/ -/* SET CRT1 REGISTER GROUP */ -/*********************************************/ - -static void -SiS_SetCRT1Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo, - unsigned short ModeIdIndex) -{ - unsigned short StandTableIndex, rrti; - - SiS_Pr->SiS_CRT1Mode = ModeNo; - - if (ModeNo <= 0x13) - StandTableIndex = 0; - else - StandTableIndex = 1; - - SiS_ResetSegmentRegisters(SiS_Pr); - SiS_SetSeqRegs(SiS_Pr, StandTableIndex); - SiS_SetMiscRegs(SiS_Pr, StandTableIndex); - SiS_SetCRTCRegs(SiS_Pr, StandTableIndex); - SiS_SetATTRegs(SiS_Pr, StandTableIndex); - SiS_SetGRCRegs(SiS_Pr, StandTableIndex); - SiS_ClearExt1Regs(SiS_Pr, ModeNo); - - rrti = SiS_GetRatePtr(SiS_Pr, ModeNo, ModeIdIndex); - - if (rrti != 0xFFFF) { - SiS_SetCRT1Sync(SiS_Pr, rrti); - SiS_SetCRT1CRTC(SiS_Pr, ModeNo, ModeIdIndex, rrti); - SiS_SetCRT1Offset(SiS_Pr, ModeNo, ModeIdIndex, rrti); - SiS_SetCRT1VCLK(SiS_Pr, ModeNo, rrti); - } - - SiS_SetCRT1FIFO_310(SiS_Pr, ModeNo, ModeIdIndex); - - SiS_SetCRT1ModeRegs(SiS_Pr, ModeNo, ModeIdIndex, rrti); - - SiS_LoadDAC(SiS_Pr, ModeNo, ModeIdIndex); - - SiS_DisplayOn(SiS_Pr); -} - -/*********************************************/ -/* SiSSetMode() */ -/*********************************************/ - -int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo) -{ - unsigned short ModeIdIndex; - unsigned long BaseAddr = SiS_Pr->IOAddress; - - SiSUSB_InitPtr(SiS_Pr); - SiSUSBRegInit(SiS_Pr, BaseAddr); - SiS_GetSysFlags(SiS_Pr); - - if (!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) - return 0; - - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x05, 0x86); - - SiSInitPCIetc(SiS_Pr); - - ModeNo &= 0x7f; - - SiS_Pr->SiS_ModeType = - SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag & ModeTypeMask; - - SiS_Pr->SiS_SetFlag = LowModeTests; - - /* Set mode on CRT1 */ - SiS_SetCRT1Group(SiS_Pr, ModeNo, ModeIdIndex); - - SiS_HandleCRT1(SiS_Pr); - - SiS_DisplayOn(SiS_Pr); - SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF); - - /* Store mode number */ - SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x34, ModeNo); - - return 1; -} - -int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo) -{ - unsigned short ModeNo = 0; - int i; - - SiSUSB_InitPtr(SiS_Pr); - - if (VModeNo == 0x03) { - - ModeNo = 0x03; - - } else { - - i = 0; - do { - - if (SiS_Pr->SiS_EModeIDTable[i].Ext_VESAID == VModeNo) { - ModeNo = SiS_Pr->SiS_EModeIDTable[i].Ext_ModeID; - break; - } - - } while (SiS_Pr->SiS_EModeIDTable[i++].Ext_ModeID != 0xff); - - } - - if (!ModeNo) - return 0; - - return SiSUSBSetMode(SiS_Pr, ModeNo); -} diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.h b/drivers/usb/misc/sisusbvga/sisusb_init.h deleted file mode 100644 index b5cd77ae941d..000000000000 --- a/drivers/usb/misc/sisusbvga/sisusb_init.h +++ /dev/null @@ -1,180 +0,0 @@ -/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ -/* $XFree86$ */ -/* $XdotOrg$ */ -/* - * Data and prototypes for init.c - * - * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria - * - * If distributed as part of the Linux kernel, the following license terms - * apply: - * - * * 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 - * * the Free Software Foundation; either version 2 of the named License, - * * or any later version. - * * - * * This program is distributed in the hope that it will be useful, - * * but WITHOUT ANY WARRANTY; without even the implied warranty of - * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * * GNU General Public License for more details. - * * - * * You should have received a copy of the GNU General Public License - * * along with this program; if not, write to the Free Software - * * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA - * - * Otherwise, the following license terms apply: - * - * * Redistribution and use in source and binary forms, with or without - * * modification, are permitted provided that the following conditions - * * are met: - * * 1) Redistributions of source code must retain the above copyright - * * notice, this list of conditions and the following disclaimer. - * * 2) Redistributions in binary form must reproduce the above copyright - * * notice, this list of conditions and the following disclaimer in the - * * documentation and/or other materials provided with the distribution. - * * 3) The name of the author may not be used to endorse or promote products - * * derived from this software without specific prior written permission. - * * - * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Author: Thomas Winischhofer - * - */ - -#ifndef _SISUSB_INIT_H_ -#define _SISUSB_INIT_H_ - -/* SiS_ModeType */ -#define ModeText 0x00 -#define ModeCGA 0x01 -#define ModeEGA 0x02 -#define ModeVGA 0x03 -#define Mode15Bpp 0x04 -#define Mode16Bpp 0x05 -#define Mode24Bpp 0x06 -#define Mode32Bpp 0x07 - -#define ModeTypeMask 0x07 -#define IsTextMode 0x07 - -#define DACInfoFlag 0x0018 -#define MemoryInfoFlag 0x01E0 -#define MemorySizeShift 5 - -/* modeflag */ -#define Charx8Dot 0x0200 -#define LineCompareOff 0x0400 -#define CRT2Mode 0x0800 -#define HalfDCLK 0x1000 -#define NoSupportSimuTV 0x2000 -#define NoSupportLCDScale 0x4000 /* SiS bridge: No scaling possible (no matter what panel) */ -#define DoubleScanMode 0x8000 - -/* Infoflag */ -#define SupportTV 0x0008 -#define SupportTV1024 0x0800 -#define SupportCHTV 0x0800 -#define Support64048060Hz 0x0800 /* Special for 640x480 LCD */ -#define SupportHiVision 0x0010 -#define SupportYPbPr750p 0x1000 -#define SupportLCD 0x0020 -#define SupportRAMDAC2 0x0040 /* All (<= 100Mhz) */ -#define SupportRAMDAC2_135 0x0100 /* All except DH (<= 135Mhz) */ -#define SupportRAMDAC2_162 0x0200 /* B, C (<= 162Mhz) */ -#define SupportRAMDAC2_202 0x0400 /* C (<= 202Mhz) */ -#define InterlaceMode 0x0080 -#define SyncPP 0x0000 -#define SyncPN 0x4000 -#define SyncNP 0x8000 -#define SyncNN 0xc000 - -/* SetFlag */ -#define ProgrammingCRT2 0x0001 -#define LowModeTests 0x0002 -#define LCDVESATiming 0x0008 -#define EnableLVDSDDA 0x0010 -#define SetDispDevSwitchFlag 0x0020 -#define CheckWinDos 0x0040 -#define SetDOSMode 0x0080 - -/* Index in ModeResInfo table */ -#define SIS_RI_320x200 0 -#define SIS_RI_320x240 1 -#define SIS_RI_320x400 2 -#define SIS_RI_400x300 3 -#define SIS_RI_512x384 4 -#define SIS_RI_640x400 5 -#define SIS_RI_640x480 6 -#define SIS_RI_800x600 7 -#define SIS_RI_1024x768 8 -#define SIS_RI_1280x1024 9 -#define SIS_RI_1600x1200 10 -#define SIS_RI_1920x1440 11 -#define SIS_RI_2048x1536 12 -#define SIS_RI_720x480 13 -#define SIS_RI_720x576 14 -#define SIS_RI_1280x960 15 -#define SIS_RI_800x480 16 -#define SIS_RI_1024x576 17 -#define SIS_RI_1280x720 18 -#define SIS_RI_856x480 19 -#define SIS_RI_1280x768 20 -#define SIS_RI_1400x1050 21 -#define SIS_RI_1152x864 22 /* Up to here SiS conforming */ -#define SIS_RI_848x480 23 -#define SIS_RI_1360x768 24 -#define SIS_RI_1024x600 25 -#define SIS_RI_1152x768 26 -#define SIS_RI_768x576 27 -#define SIS_RI_1360x1024 28 -#define SIS_RI_1680x1050 29 -#define SIS_RI_1280x800 30 -#define SIS_RI_1920x1080 31 -#define SIS_RI_960x540 32 -#define SIS_RI_960x600 33 - -#define SIS_VIDEO_CAPTURE 0x00 - 0x30 -#define SIS_VIDEO_PLAYBACK 0x02 - 0x30 -#define SIS_CRT2_PORT_04 0x04 - 0x30 - -int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo); -int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo); - -extern int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data); -extern int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 * data); -extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port, - u8 index, u8 data); -extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port, - u8 index, u8 * data); -extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, - u8 idx, u8 myand, u8 myor); -extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port, - u8 index, u8 myor); -extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port, - u8 idx, u8 myand); - -void sisusb_delete(struct kref *kref); -int sisusb_writeb(struct sisusb_usb_data *sisusb, u32 adr, u8 data); -int sisusb_readb(struct sisusb_usb_data *sisusb, u32 adr, u8 * data); -int sisusb_copy_memory(struct sisusb_usb_data *sisusb, u8 *src, - u32 dest, int length); -int sisusb_reset_text_mode(struct sisusb_usb_data *sisusb, int init); -int sisusbcon_do_font_op(struct sisusb_usb_data *sisusb, int set, int slot, - u8 * arg, int cmapsz, int ch512, int dorecalc, - struct vc_data *c, int fh, int uplock); -void sisusb_set_cursor(struct sisusb_usb_data *sisusb, unsigned int location); -int sisusb_console_init(struct sisusb_usb_data *sisusb, int first, int last); -void sisusb_console_exit(struct sisusb_usb_data *sisusb); -void sisusb_init_concode(void); - -#endif