diff options
Diffstat (limited to 'drivers/usb/misc/sisusbvga')
| -rw-r--r-- | drivers/usb/misc/sisusbvga/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/usb/misc/sisusbvga/Makefile | 3 | ||||
| -rw-r--r-- | drivers/usb/misc/sisusbvga/sisusb.c | 32 | ||||
| -rw-r--r-- | drivers/usb/misc/sisusbvga/sisusb.h | 15 | ||||
| -rw-r--r-- | drivers/usb/misc/sisusbvga/sisusb_con.c | 127 | ||||
| -rw-r--r-- | drivers/usb/misc/sisusbvga/sisusb_init.c | 5 |
6 files changed, 71 insertions, 112 deletions
diff --git a/drivers/usb/misc/sisusbvga/Kconfig b/drivers/usb/misc/sisusbvga/Kconfig index 36bc28c884ad..9b632ab24f03 100644 --- a/drivers/usb/misc/sisusbvga/Kconfig +++ b/drivers/usb/misc/sisusbvga/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config USB_SISUSBVGA tristate "USB 2.0 SVGA dongle support (Net2280/SiS315)" diff --git a/drivers/usb/misc/sisusbvga/Makefile b/drivers/usb/misc/sisusbvga/Makefile index 6ed3a638261a..6551bce68ac5 100644 --- a/drivers/usb/misc/sisusbvga/Makefile +++ b/drivers/usb/misc/sisusbvga/Makefile @@ -5,4 +5,5 @@ obj-$(CONFIG_USB_SISUSBVGA) += sisusbvga.o -sisusbvga-y := sisusb.o sisusb_init.o sisusb_con.o +sisusbvga-y := sisusb.o +sisusbvga-$(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 3198d0477cf8..9560fde621ee 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -53,7 +53,7 @@ #include "sisusb.h" #include "sisusb_init.h" -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON #include <linux/font.h> #endif @@ -61,7 +61,7 @@ /* Forward declarations / clean-up routines */ -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON static int sisusb_first_vc; static int sisusb_last_vc; module_param_named(first, sisusb_first_vc, int, 0); @@ -1198,7 +1198,7 @@ static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr, /* High level: Gfx (indexed) register access */ -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data) { return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data); @@ -1272,7 +1272,7 @@ int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port, /* Write/read video ram */ -#ifdef INCL_SISUSB_CON +#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); @@ -2255,7 +2255,7 @@ static int sisusb_init_gfxdevice(struct sisusb_usb_data *sisusb, int initscreen) } -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON /* Set up default text mode: * - Set text mode (0x03) @@ -2448,7 +2448,7 @@ void sisusb_delete(struct kref *kref) sisusb->sisusb_dev = NULL; sisusb_free_buffers(sisusb); sisusb_free_urbs(sisusb); -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON kfree(sisusb->SiS_Pr); #endif kfree(sisusb); @@ -2844,7 +2844,7 @@ static int sisusb_handle_command(struct sisusb_usb_data *sisusb, case SUCMD_HANDLETEXTMODE: retval = 0; -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON /* Gfx core must be initialized, SiS_Pr must exist */ if (!sisusb->gfxinit || !sisusb->SiS_Pr) return -ENODEV; @@ -2860,7 +2860,7 @@ static int sisusb_handle_command(struct sisusb_usb_data *sisusb, #endif break; -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON case SUCMD_SETMODE: /* Gfx core must be initialized, SiS_Pr must exist */ if (!sisusb->gfxinit || !sisusb->SiS_Pr) @@ -2944,7 +2944,7 @@ 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 INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON x.sisusb_conactive = sisusb->haveconsole ? 1 : 0; #else x.sisusb_conactive = 0; @@ -2975,7 +2975,7 @@ err_out: return retval; } -#ifdef SISUSB_NEW_CONFIG_COMPAT +#ifdef CONFIG_COMPAT static long sisusb_compat_ioctl(struct file *f, unsigned int cmd, unsigned long arg) { @@ -2998,7 +2998,7 @@ static const struct file_operations usb_sisusb_fops = { .read = sisusb_read, .write = sisusb_write, .llseek = sisusb_lseek, -#ifdef SISUSB_NEW_CONFIG_COMPAT +#ifdef CONFIG_COMPAT .compat_ioctl = sisusb_compat_ioctl, #endif .unlocked_ioctl = sisusb_ioctl @@ -3091,7 +3091,7 @@ static int sisusb_probe(struct usb_interface *intf, dev_info(&sisusb->sisusb_dev->dev, "Allocated %d output buffers\n", sisusb->numobufs); -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON /* Allocate our SiS_Pr */ sisusb->SiS_Pr = kmalloc(sizeof(struct SiS_Private), GFP_KERNEL); if (!sisusb->SiS_Pr) { @@ -3112,7 +3112,7 @@ static int sisusb_probe(struct usb_interface *intf, if (dev->speed == USB_SPEED_HIGH || dev->speed >= USB_SPEED_SUPER) { int initscreen = 1; -#ifdef INCL_SISUSB_CON +#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) @@ -3134,7 +3134,7 @@ static int sisusb_probe(struct usb_interface *intf, dev_dbg(&sisusb->sisusb_dev->dev, "*** RWTEST END ***\n"); #endif -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON sisusb_console_init(sisusb, sisusb_first_vc, sisusb_last_vc); #endif @@ -3160,7 +3160,7 @@ static void sisusb_disconnect(struct usb_interface *intf) if (!sisusb) return; -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON sisusb_console_exit(sisusb); #endif @@ -3210,7 +3210,7 @@ static struct usb_driver sisusb_driver = { static int __init usb_sisusb_init(void) { -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON sisusb_init_concode(); #endif diff --git a/drivers/usb/misc/sisusbvga/sisusb.h b/drivers/usb/misc/sisusbvga/sisusb.h index 20f03ad0ea16..8a5e6bb07d05 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.h +++ b/drivers/usb/misc/sisusbvga/sisusb.h @@ -38,17 +38,8 @@ #ifndef _SISUSB_H_ #define _SISUSB_H_ -#ifdef CONFIG_COMPAT -#define SISUSB_NEW_CONFIG_COMPAT -#endif - #include <linux/mutex.h> -/* For older kernels, support for text consoles is by default - * off. To enable text console support, change the following: - */ -/* #define CONFIG_USB_SISUSBVGA_CON */ - /* Version Information */ #define SISUSB_VERSION 0 @@ -57,10 +48,6 @@ /* Include console and mode switching code? */ -#ifdef CONFIG_USB_SISUSBVGA_CON -#define INCL_SISUSB_CON 1 -#endif - #include <linux/console.h> #include <linux/vt_kern.h> #include "sisusb_struct.h" @@ -139,7 +126,7 @@ struct sisusb_usb_data { unsigned char gfxinit; /* graphics core initialized? */ unsigned short chipid, chipvendor; unsigned short chiprevision; -#ifdef INCL_SISUSB_CON +#ifdef CONFIG_USB_SISUSBVGA_CON struct SiS_Private *SiS_Pr; unsigned long scrbuf; unsigned int scrbuf_size; diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c index c4f017e1d17a..cd0155310fea 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ b/drivers/usb/misc/sisusbvga/sisusb_con.c @@ -70,13 +70,6 @@ #include "sisusb.h" #include "sisusb_init.h" -#ifdef INCL_SISUSB_CON - -#define sisusbcon_writew(val, addr) (*(addr) = (val)) -#define sisusbcon_readw(addr) (*(addr)) -#define sisusbcon_memmovew(d, s, c) memmove(d, s, c) -#define sisusbcon_memcpyw(d, s, c) memcpy(d, s, c) - /* vc_data -> sisusb conversion table */ static struct sisusb_usb_data *mysisusbs[MAX_NR_CONSOLES]; @@ -86,9 +79,7 @@ static const struct consw sisusb_con; static inline void sisusbcon_memsetw(u16 *s, u16 c, unsigned int count) { - count /= 2; - while (count--) - sisusbcon_writew(c, s++); + memset16(s, c, count / 2); } static inline void @@ -346,25 +337,30 @@ sisusbcon_invert_region(struct vc_data *vc, u16 *p, int count) */ while (count--) { - u16 a = sisusbcon_readw(p); - - a = ((a) & 0x88ff) | - (((a) & 0x7000) >> 4) | - (((a) & 0x0700) << 4); + u16 a = *p; - sisusbcon_writew(a, p++); + *p++ = ((a) & 0x88ff) | + (((a) & 0x7000) >> 4) | + (((a) & 0x0700) << 4); } } -#define SISUSB_VADDR(x,y) \ - ((u16 *)c->vc_origin + \ - (y) * sisusb->sisusb_num_columns + \ - (x)) +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; -#define SISUSB_HADDR(x,y) \ - ((u16 *)(sisusb->vrambase + (c->vc_origin - sisusb->scrbuf)) + \ - (y) * sisusb->sisusb_num_columns + \ - (x)) + /* 2 bytes per each character */ + offset += 2 * (y * sisusb->sisusb_num_columns + x); + + return sisusb->vrambase + offset; +} /* Interface routine */ static void @@ -382,9 +378,8 @@ sisusbcon_putc(struct vc_data *c, int ch, int y, int x) return; } - - sisusb_copy_memory(sisusb, (char *)SISUSB_VADDR(x, y), - (long)SISUSB_HADDR(x, y), 2); + sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y), + sisusb_haddr(sisusb, c, x, y), 2); mutex_unlock(&sisusb->lock); } @@ -395,8 +390,6 @@ sisusbcon_putcs(struct vc_data *c, const unsigned short *s, int count, int y, int x) { struct sisusb_usb_data *sisusb; - u16 *dest; - int i; sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num); if (!sisusb) @@ -408,18 +401,15 @@ sisusbcon_putcs(struct vc_data *c, const unsigned short *s, * because the vt does this AFTER calling us. */ - dest = SISUSB_VADDR(x, y); - - for (i = count; i > 0; i--) - sisusbcon_writew(sisusbcon_readw(s++), dest++); + 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, (char *)SISUSB_VADDR(x, y), - (long)SISUSB_HADDR(x, y), count * 2); + sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y), + sisusb_haddr(sisusb, c, x, y), count * 2); mutex_unlock(&sisusb->lock); } @@ -446,7 +436,7 @@ sisusbcon_clear(struct vc_data *c, int y, int x, int height, int width) * this AFTER calling us. */ - dest = SISUSB_VADDR(x, y); + dest = sisusb_vaddr(sisusb, c, x, y); cols = sisusb->sisusb_num_columns; @@ -472,8 +462,8 @@ sisusbcon_clear(struct vc_data *c, int y, int x, int height, int width) length = ((height * cols) - x - (cols - width - x)) * 2; - sisusb_copy_memory(sisusb, (unsigned char *)SISUSB_VADDR(x, y), - (long)SISUSB_HADDR(x, y), length); + sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y), + sisusb_haddr(sisusb, c, x, y), length); mutex_unlock(&sisusb->lock); } @@ -517,12 +507,10 @@ sisusbcon_switch(struct vc_data *c) (int)(sisusb->scrbuf + sisusb->scrbuf_size - c->vc_origin)); /* Restore the screen contents */ - sisusbcon_memcpyw((u16 *)c->vc_origin, (u16 *)c->vc_screenbuf, - length); + memcpy((u16 *)c->vc_origin, (u16 *)c->vc_screenbuf, length); - sisusb_copy_memory(sisusb, (unsigned char *)c->vc_origin, - (long)SISUSB_HADDR(0, 0), - length); + sisusb_copy_memory(sisusb, (char *)c->vc_origin, + sisusb_haddr(sisusb, c, 0, 0), length); mutex_unlock(&sisusb->lock); @@ -556,8 +544,7 @@ sisusbcon_save_screen(struct vc_data *c) (int)(sisusb->scrbuf + sisusb->scrbuf_size - c->vc_origin)); /* Save the screen contents to vc's private buffer */ - sisusbcon_memcpyw((u16 *)c->vc_screenbuf, (u16 *)c->vc_origin, - length); + memcpy((u16 *)c->vc_screenbuf, (u16 *)c->vc_origin, length); mutex_unlock(&sisusb->lock); } @@ -628,10 +615,8 @@ sisusbcon_blank(struct vc_data *c, int blank, int mode_switch) sisusbcon_memsetw((u16 *)c->vc_origin, c->vc_video_erase_char, c->vc_screenbuf_size); - sisusb_copy_memory(sisusb, - (unsigned char *)c->vc_origin, - (u32)(sisusb->vrambase + - (c->vc_origin - sisusb->scrbuf)), + sisusb_copy_memory(sisusb, (char *)c->vc_origin, + sisusb_haddr(sisusb, c, 0, 0), c->vc_screenbuf_size); sisusb->con_blanked = 1; ret = 1; @@ -796,24 +781,24 @@ sisusbcon_scroll_area(struct vc_data *c, struct sisusb_usb_data *sisusb, switch (dir) { case SM_UP: - sisusbcon_memmovew(SISUSB_VADDR(0, t), - SISUSB_VADDR(0, t + lines), + memmove(sisusb_vaddr(sisusb, c, 0, t), + sisusb_vaddr(sisusb, c, 0, t + lines), (b - t - lines) * cols * 2); - sisusbcon_memsetw(SISUSB_VADDR(0, b - lines), eattr, - lines * cols * 2); + sisusbcon_memsetw(sisusb_vaddr(sisusb, c, 0, b - lines), + eattr, lines * cols * 2); break; case SM_DOWN: - sisusbcon_memmovew(SISUSB_VADDR(0, t + lines), - SISUSB_VADDR(0, t), + memmove(sisusb_vaddr(sisusb, c, 0, t + lines), + sisusb_vaddr(sisusb, c, 0, t), (b - t - lines) * cols * 2); - sisusbcon_memsetw(SISUSB_VADDR(0, t), eattr, + sisusbcon_memsetw(sisusb_vaddr(sisusb, c, 0, t), eattr, lines * cols * 2); break; } - sisusb_copy_memory(sisusb, (char *)SISUSB_VADDR(0, t), - (long)SISUSB_HADDR(0, t), length); + sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, 0, t), + sisusb_haddr(sisusb, c, 0, t), length); mutex_unlock(&sisusb->lock); @@ -830,7 +815,6 @@ sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b, int copyall = 0; unsigned long oldorigin; unsigned int delta = lines * c->vc_size_row; - u32 originoffset; /* Returning != 0 means we have done the scrolling successfully. * Returning 0 makes vt do the scrolling on its own. @@ -874,7 +858,7 @@ sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b, if (c->vc_scr_end + delta >= sisusb->scrbuf + sisusb->scrbuf_size) { - sisusbcon_memcpyw((u16 *)sisusb->scrbuf, + memcpy((u16 *)sisusb->scrbuf, (u16 *)(oldorigin + delta), c->vc_screenbuf_size - delta); c->vc_origin = sisusb->scrbuf; @@ -892,12 +876,10 @@ sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b, case SM_DOWN: if (oldorigin - delta < sisusb->scrbuf) { - sisusbcon_memmovew((u16 *)(sisusb->scrbuf + - sisusb->scrbuf_size - - c->vc_screenbuf_size + - delta), - (u16 *)oldorigin, - c->vc_screenbuf_size - delta); + 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; @@ -913,23 +895,21 @@ sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b, break; } - originoffset = (u32)(c->vc_origin - sisusb->scrbuf); - if (copyall) sisusb_copy_memory(sisusb, (char *)c->vc_origin, - (u32)(sisusb->vrambase + originoffset), + sisusb_haddr(sisusb, c, 0, 0), c->vc_screenbuf_size); else if (dir == SM_UP) sisusb_copy_memory(sisusb, (char *)c->vc_origin + c->vc_screenbuf_size - delta, - (u32)sisusb->vrambase + originoffset + + sisusb_haddr(sisusb, c, 0, 0) + c->vc_screenbuf_size - delta, delta); else sisusb_copy_memory(sisusb, (char *)c->vc_origin, - (u32)(sisusb->vrambase + originoffset), + sisusb_haddr(sisusb, c, 0, 0), delta); c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size; @@ -1534,8 +1514,3 @@ void __init sisusb_init_concode(void) for (i = 0; i < MAX_NR_CONSOLES; i++) mysisusbs[i] = NULL; } - -#endif /* INCL_CON */ - - - diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.c b/drivers/usb/misc/sisusbvga/sisusb_init.c index 6a30e8bd9221..66f6ab5acd97 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_init.c +++ b/drivers/usb/misc/sisusbvga/sisusb_init.c @@ -44,9 +44,6 @@ #include <linux/spinlock.h> #include "sisusb.h" - -#ifdef INCL_SISUSB_CON - #include "sisusb_init.h" /*********************************************/ @@ -955,5 +952,3 @@ int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo) return SiSUSBSetMode(SiS_Pr, ModeNo); } - -#endif /* INCL_SISUSB_CON */ |