Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *	HP300 Topcat framebuffer support (derived from macfb of all things)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *	Phil Blundell <philb@gnu.org> 1998
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *	DIO-II, colour map and Catseye support by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *	Kars de Jong <jongk@linux-m68k.org>, May 2004.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <linux/dio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) static struct fb_info fb_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	.fix = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 		.id		= "HP300 ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 		.type		= FB_TYPE_PACKED_PIXELS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 		.visual		= FB_VISUAL_PSEUDOCOLOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		.accel		= FB_ACCEL_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) static unsigned long fb_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) static unsigned char fb_bitmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #define TC_NBLANK	0x4080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) #define TC_WEN		0x4088
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define TC_REN		0x408c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define TC_FBEN		0x4090
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) #define TC_PRR		0x40ea
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) /* These defines match the X window system */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define RR_CLEAR	0x0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) #define RR_COPY		0x3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) #define RR_NOOP		0x5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) #define RR_XOR		0x6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define RR_INVERT	0xa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) #define RR_COPYINVERTED 0xc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define RR_SET		0xf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) /* blitter regs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #define BUSY		0x4044
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) #define WMRR		0x40ef
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #define SOURCE_X	0x40f2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) #define SOURCE_Y	0x40f6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) #define DEST_X		0x40fa
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #define DEST_Y		0x40fe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #define WHEIGHT		0x4106
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) #define WWIDTH		0x4102
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) #define WMOVE		0x409c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) static struct fb_var_screeninfo hpfb_defined = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	.red		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 		.length = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	.green		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		.length = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	.blue		= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 		.length = 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	.activate	= FB_ACTIVATE_NOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	.height		= -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	.width		= -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	.vmode		= FB_VMODE_NONINTERLACED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) static int hpfb_setcolreg(unsigned regno, unsigned red, unsigned green,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 			  unsigned blue, unsigned transp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 			  struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	/* use MSBs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	unsigned char _red  =red>>8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	unsigned char _green=green>>8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	unsigned char _blue =blue>>8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	unsigned char _regno=regno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	 *  Set a single color register. The values supplied are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	 *  already rounded down to the hardware's capabilities
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	 *  (according to the entries in the `var' structure). Return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	 *  != 0 for invalid regno.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	if (regno >= info->cmap.len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	while (in_be16(fb_regs + 0x6002) & 0x4) udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	out_be16(fb_regs + 0x60ba, 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	out_be16(fb_regs + 0x60b2, _red);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	out_be16(fb_regs + 0x60b4, _green);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	out_be16(fb_regs + 0x60b6, _blue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	out_be16(fb_regs + 0x60b8, ~_regno);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	out_be16(fb_regs + 0x60f0, 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	udelay(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	while (in_be16(fb_regs + 0x6002) & 0x4) udelay(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	out_be16(fb_regs + 0x60b2, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	out_be16(fb_regs + 0x60b4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	out_be16(fb_regs + 0x60b6, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	out_be16(fb_regs + 0x60b8, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static int hpfb_blank(int blank, struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	out_8(fb_regs + TC_NBLANK, (blank ? 0x00 : fb_bitmask));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static void topcat_blit(int x0, int y0, int x1, int y1, int w, int h, int rr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	if (rr >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		while (in_8(fb_regs + BUSY) & fb_bitmask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 			;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	out_8(fb_regs + TC_FBEN, fb_bitmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	if (rr >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 		out_8(fb_regs + TC_WEN, fb_bitmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		out_8(fb_regs + WMRR, rr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	out_be16(fb_regs + SOURCE_X, x0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	out_be16(fb_regs + SOURCE_Y, y0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	out_be16(fb_regs + DEST_X, x1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	out_be16(fb_regs + DEST_Y, y1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	out_be16(fb_regs + WWIDTH, w);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	out_be16(fb_regs + WHEIGHT, h);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	out_8(fb_regs + WMOVE, fb_bitmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static void hpfb_copyarea(struct fb_info *info, const struct fb_copyarea *area) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	topcat_blit(area->sx, area->sy, area->dx, area->dy, area->width, area->height, RR_COPY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static void hpfb_fillrect(struct fb_info *p, const struct fb_fillrect *region)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	u8 clr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	clr = region->color & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	while (in_8(fb_regs + BUSY) & fb_bitmask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	/* Foreground */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	out_8(fb_regs + TC_WEN, fb_bitmask & clr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	out_8(fb_regs + WMRR, (region->rop == ROP_COPY ? RR_SET : RR_INVERT));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	/* Background */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	out_8(fb_regs + TC_WEN, fb_bitmask & ~clr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	out_8(fb_regs + WMRR, (region->rop == ROP_COPY ? RR_CLEAR : RR_NOOP));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	topcat_blit(region->dx, region->dy, region->dx, region->dy, region->width, region->height, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static int hpfb_sync(struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	 * Since we also access the framebuffer directly, we have to wait
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	 * until the block mover is finished
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	while (in_8(fb_regs + BUSY) & fb_bitmask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	out_8(fb_regs + TC_WEN, fb_bitmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	out_8(fb_regs + TC_PRR, RR_COPY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	out_8(fb_regs + TC_FBEN, fb_bitmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) static const struct fb_ops hpfb_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	.owner		= THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	.fb_setcolreg	= hpfb_setcolreg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	.fb_blank	= hpfb_blank,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	.fb_fillrect	= hpfb_fillrect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	.fb_copyarea	= hpfb_copyarea,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	.fb_imageblit	= cfb_imageblit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	.fb_sync	= hpfb_sync,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) /* Common to all HP framebuffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) #define HPFB_FBWMSB	0x05	/* Frame buffer width 		*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) #define HPFB_FBWLSB	0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) #define HPFB_FBHMSB	0x09	/* Frame buffer height		*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) #define HPFB_FBHLSB	0x0b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) #define HPFB_DWMSB	0x0d	/* Display width		*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) #define HPFB_DWLSB	0x0f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) #define HPFB_DHMSB	0x11	/* Display height		*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) #define HPFB_DHLSB	0x13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) #define HPFB_NUMPLANES	0x5b	/* Number of colour planes	*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) #define HPFB_FBOMSB	0x5d	/* Frame buffer offset		*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) #define HPFB_FBOLSB	0x5f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) static int hpfb_init_one(unsigned long phys_base, unsigned long virt_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	unsigned long fboff, fb_width, fb_height, fb_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	fb_regs = virt_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	fboff = (in_8(fb_regs + HPFB_FBOMSB) << 8) | in_8(fb_regs + HPFB_FBOLSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	fb_info.fix.smem_start = (in_8(fb_regs + fboff) << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	if (phys_base >= DIOII_BASE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		fb_info.fix.smem_start += phys_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	if (DIO_SECID(fb_regs) != DIO_ID2_TOPCAT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		/* This is the magic incantation the HP X server uses to make Catseye boards work. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		while (in_be16(fb_regs+0x4800) & 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 			;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		out_be16(fb_regs+0x4800, 0);	/* Catseye status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		out_be16(fb_regs+0x4510, 0);	/* VB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		out_be16(fb_regs+0x4512, 0);	/* TCNTRL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		out_be16(fb_regs+0x4514, 0);	/* ACNTRL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		out_be16(fb_regs+0x4516, 0);	/* PNCNTRL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		out_be16(fb_regs+0x4206, 0x90);	/* RUG Command/Status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		out_be16(fb_regs+0x60a2, 0);	/* Overlay Mask */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		out_be16(fb_regs+0x60bc, 0);	/* Ram Select */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	 *	Fill in the available video resolution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	fb_width = (in_8(fb_regs + HPFB_FBWMSB) << 8) | in_8(fb_regs + HPFB_FBWLSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	fb_info.fix.line_length = fb_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	fb_height = (in_8(fb_regs + HPFB_FBHMSB) << 8) | in_8(fb_regs + HPFB_FBHLSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	fb_info.fix.smem_len = fb_width * fb_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	fb_start = (unsigned long)ioremap_wt(fb_info.fix.smem_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 					     fb_info.fix.smem_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	hpfb_defined.xres = (in_8(fb_regs + HPFB_DWMSB) << 8) | in_8(fb_regs + HPFB_DWLSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	hpfb_defined.yres = (in_8(fb_regs + HPFB_DHMSB) << 8) | in_8(fb_regs + HPFB_DHLSB);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	hpfb_defined.xres_virtual = hpfb_defined.xres;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	hpfb_defined.yres_virtual = hpfb_defined.yres;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	hpfb_defined.bits_per_pixel = in_8(fb_regs + HPFB_NUMPLANES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 	printk(KERN_INFO "hpfb: framebuffer at 0x%lx, mapped to 0x%lx, size %dk\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	       fb_info.fix.smem_start, fb_start, fb_info.fix.smem_len/1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	printk(KERN_INFO "hpfb: mode is %dx%dx%d, linelength=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	       hpfb_defined.xres, hpfb_defined.yres, hpfb_defined.bits_per_pixel, fb_info.fix.line_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 	 *	Give the hardware a bit of a prod and work out how many bits per
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	 *	pixel are supported.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	out_8(fb_regs + TC_WEN, 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	out_8(fb_regs + TC_PRR, RR_COPY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	out_8(fb_regs + TC_FBEN, 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	out_8(fb_start, 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	fb_bitmask = in_8(fb_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	out_8(fb_start, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	 *	Enable reading/writing of all the planes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	out_8(fb_regs + TC_WEN, fb_bitmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	out_8(fb_regs + TC_PRR, RR_COPY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	out_8(fb_regs + TC_REN, fb_bitmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	out_8(fb_regs + TC_FBEN, fb_bitmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	 *	Clear the screen.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	topcat_blit(0, 0, 0, 0, fb_width, fb_height, RR_CLEAR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 	 *	Let there be consoles..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 	if (DIO_SECID(fb_regs) == DIO_ID2_TOPCAT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		strcat(fb_info.fix.id, "Topcat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		strcat(fb_info.fix.id, "Catseye");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	fb_info.fbops = &hpfb_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 	fb_info.flags = FBINFO_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	fb_info.var   = hpfb_defined;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	fb_info.screen_base = (char *)fb_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 	ret = fb_alloc_cmap(&fb_info.cmap, 1 << hpfb_defined.bits_per_pixel, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 		goto unmap_screen_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 	ret = register_framebuffer(&fb_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 		goto dealloc_cmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 	fb_info(&fb_info, "%s frame buffer device\n", fb_info.fix.id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) dealloc_cmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	fb_dealloc_cmap(&fb_info.cmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) unmap_screen_base:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	if (fb_info.screen_base) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 		iounmap(fb_info.screen_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 		fb_info.screen_base = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) /* 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)  * Check that the secondary ID indicates that we have some hope of working with this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)  * framebuffer.  The catseye boards are pretty much like topcats and we can muddle through.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) #define topcat_sid_ok(x)  (((x) == DIO_ID2_LRCATSEYE) || ((x) == DIO_ID2_HRCCATSEYE)    \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 			   || ((x) == DIO_ID2_HRMCATSEYE) || ((x) == DIO_ID2_TOPCAT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) /* 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)  * Initialise the framebuffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) static int hpfb_dio_probe(struct dio_dev *d, const struct dio_device_id *ent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	unsigned long paddr, vaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	paddr = d->resource.start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	if (!request_mem_region(d->resource.start, resource_size(&d->resource), d->name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)                 return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	if (d->scode >= DIOII_SCBASE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		vaddr = (unsigned long)ioremap(paddr, resource_size(&d->resource));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 		vaddr = paddr + DIO_VIRADDRBASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	printk(KERN_INFO "Topcat found at DIO select code %d "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 	       "(secondary id %02x)\n", d->scode, (d->id >> 8) & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 	if (hpfb_init_one(paddr, vaddr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 		if (d->scode >= DIOII_SCBASE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 			iounmap((void *)vaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) static void hpfb_remove_one(struct dio_dev *d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) 	unregister_framebuffer(&fb_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) 	if (d->scode >= DIOII_SCBASE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 		iounmap((void *)fb_regs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	release_mem_region(d->resource.start, resource_size(&d->resource));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 	fb_dealloc_cmap(&fb_info.cmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	if (fb_info.screen_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 		iounmap(fb_info.screen_base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) static struct dio_device_id hpfb_dio_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)     { DIO_ENCODE_ID(DIO_ID_FBUFFER, DIO_ID2_LRCATSEYE) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)     { DIO_ENCODE_ID(DIO_ID_FBUFFER, DIO_ID2_HRCCATSEYE) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)     { DIO_ENCODE_ID(DIO_ID_FBUFFER, DIO_ID2_HRMCATSEYE) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)     { DIO_ENCODE_ID(DIO_ID_FBUFFER, DIO_ID2_TOPCAT) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)     { 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) static struct dio_driver hpfb_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)     .name      = "hpfb",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)     .id_table  = hpfb_dio_tbl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374)     .probe     = hpfb_dio_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)     .remove    = hpfb_remove_one,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) int __init hpfb_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	unsigned int sid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	unsigned char i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	/* Topcats can be on the internal IO bus or real DIO devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 	 * The internal variant sits at 0x560000; it has primary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	 * and secondary ID registers just like the DIO version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) 	 * So we merge the two detection routines.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) 	 * Perhaps this #define should be in a global header file:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) 	 * I believe it's common to all internal fbs, not just topcat.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) #define INTFBVADDR 0xf0560000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) #define INTFBPADDR 0x560000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) 	if (!MACH_IS_HP300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) 	if (fb_get_options("hpfb", NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	err = dio_register_driver(&hpfb_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 	err = copy_from_kernel_nofault(&i, (unsigned char *)INTFBVADDR + DIO_IDOFF, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) 	if (!err && (i == DIO_ID_FBUFFER) && topcat_sid_ok(sid = DIO_SECID(INTFBVADDR))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 		if (!request_mem_region(INTFBPADDR, DIO_DEVSIZE, "Internal Topcat"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) 			return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 		printk(KERN_INFO "Internal Topcat found (secondary id %02x)\n", sid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 		if (hpfb_init_one(INTFBPADDR, INTFBVADDR)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) void __exit hpfb_cleanup_module(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	dio_unregister_driver(&hpfb_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) module_init(hpfb_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) module_exit(hpfb_cleanup_module);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) MODULE_LICENSE("GPL");