^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) /* leo.c: LEO frame buffer driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 1996-1999 Jakub Jelinek (jj@ultra.linux.cz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 1997 Michal Rehacek (Michal.Rehacek@st.mff.cuni.cz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Driver layout based loosely on tgafb.c, see that file for credits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/fb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <asm/fbio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "sbuslib.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * Local functions.
^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) static int leo_setcolreg(unsigned, unsigned, unsigned, unsigned,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) unsigned, struct fb_info *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static int leo_blank(int, struct fb_info *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static int leo_mmap(struct fb_info *, struct vm_area_struct *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static int leo_ioctl(struct fb_info *, unsigned int, unsigned long);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * Frame buffer operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static const struct fb_ops leo_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .fb_setcolreg = leo_setcolreg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .fb_blank = leo_blank,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .fb_pan_display = leo_pan_display,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .fb_fillrect = cfb_fillrect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .fb_copyarea = cfb_copyarea,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .fb_imageblit = cfb_imageblit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .fb_mmap = leo_mmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .fb_ioctl = leo_ioctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .fb_compat_ioctl = sbusfb_compat_ioctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define LEO_OFF_LC_SS0_KRN 0x00200000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define LEO_OFF_LC_SS0_USR 0x00201000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define LEO_OFF_LC_SS1_KRN 0x01200000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define LEO_OFF_LC_SS1_USR 0x01201000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define LEO_OFF_LD_SS0 0x00400000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define LEO_OFF_LD_SS1 0x01400000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define LEO_OFF_LD_GBL 0x00401000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define LEO_OFF_LX_KRN 0x00600000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define LEO_OFF_LX_CURSOR 0x00601000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define LEO_OFF_SS0 0x00800000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define LEO_OFF_SS1 0x01800000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define LEO_OFF_UNK 0x00602000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define LEO_OFF_UNK2 0x00000000UL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define LEO_CUR_ENABLE 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define LEO_CUR_UPDATE 0x00000030
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define LEO_CUR_PROGRESS 0x00000006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define LEO_CUR_UPDATECMAP 0x00000003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define LEO_CUR_TYPE_MASK 0x00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define LEO_CUR_TYPE_IMAGE 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define LEO_CUR_TYPE_CMAP 0x00000050
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct leo_cursor {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) u8 xxx0[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) u32 cur_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) u32 cur_misc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) u32 cur_cursxy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) u32 cur_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define LEO_KRN_TYPE_CLUT0 0x00001000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #define LEO_KRN_TYPE_CLUT1 0x00001001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define LEO_KRN_TYPE_CLUT2 0x00001002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define LEO_KRN_TYPE_WID 0x00001003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define LEO_KRN_TYPE_UNK 0x00001006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define LEO_KRN_TYPE_VIDEO 0x00002003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define LEO_KRN_TYPE_CLUTDATA 0x00004000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define LEO_KRN_CSR_ENABLE 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define LEO_KRN_CSR_PROGRESS 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define LEO_KRN_CSR_UNK 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define LEO_KRN_CSR_UNK2 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct leo_lx_krn {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) u32 krn_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) u32 krn_csr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) u32 krn_value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct leo_lc_ss0_krn {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) u32 misc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) u8 xxx0[0x800-4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) u32 rev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct leo_lc_ss0_usr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) u32 csr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) u32 addrspace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) u32 fontmsk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) u32 fontt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) u32 extent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) u32 src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) u32 dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) u32 copy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) u32 fill;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct leo_lc_ss1_krn {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) u8 unknown;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) struct leo_lc_ss1_usr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) u8 unknown;
^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) struct leo_ld_ss0 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) u8 xxx0[0xe00];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) u32 csr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) u32 wid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) u32 wmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) u32 widclip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) u32 vclipmin;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) u32 vclipmax;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) u32 pickmin; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) u32 pickmax; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) u32 fg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) u32 bg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) u32 src; /* Copy/Scroll (SS0 only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) u32 dst; /* Copy/Scroll/Fill (SS0 only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) u32 extent; /* Copy/Scroll/Fill size (SS0 only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) u32 xxx1[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) u32 setsem; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) u32 clrsem; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) u32 clrpick; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) u32 clrdat; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) u32 alpha; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) u8 xxx2[0x2c];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) u32 winbg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) u32 planemask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) u32 rop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) u32 z;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) u32 dczf; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) u32 dczb; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) u32 dcs; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) u32 dczs; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) u32 pickfb; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) u32 pickbb; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) u32 dcfc; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) u32 forcecol; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) u32 door[8]; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) u32 pick[5]; /* SS1 only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) #define LEO_SS1_MISC_ENABLE 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) #define LEO_SS1_MISC_STEREO 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct leo_ld_ss1 {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) u8 xxx0[0xef4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) u32 ss1_misc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct leo_ld_gbl {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) u8 unknown;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) struct leo_par {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) struct leo_lx_krn __iomem *lx_krn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) struct leo_lc_ss0_usr __iomem *lc_ss0_usr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) struct leo_ld_ss0 __iomem *ld_ss0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct leo_ld_ss1 __iomem *ld_ss1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct leo_cursor __iomem *cursor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) u32 extent;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) u32 clut_data[256];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) #define LEO_FLAG_BLANKED 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) unsigned long which_io;
^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) static void leo_wait(struct leo_lx_krn __iomem *lx_krn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) for (i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) i < 300000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) udelay(1); /* Busy wait at most 0.3 sec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static void leo_switch_from_graph(struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct leo_par *par = (struct leo_par *) info->par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) struct leo_ld_ss0 __iomem *ss = par->ld_ss0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) struct leo_cursor __iomem *cursor = par->cursor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) spin_lock_irqsave(&par->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) par->extent = ((info->var.xres - 1) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) ((info->var.yres - 1) << 16));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) sbus_writel(0xffffffff, &ss->wid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) sbus_writel(0xffff, &ss->wmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) sbus_writel(0, &ss->vclipmin);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) sbus_writel(par->extent, &ss->vclipmax);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) sbus_writel(0, &ss->fg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) sbus_writel(0xff000000, &ss->planemask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) sbus_writel(0x310850, &ss->rop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) sbus_writel(0, &ss->widclip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) sbus_writel((info->var.xres-1) | ((info->var.yres-1) << 11),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) &par->lc_ss0_usr->extent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) sbus_writel(4, &par->lc_ss0_usr->addrspace);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) sbus_writel(0x80000000, &par->lc_ss0_usr->fill);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) sbus_writel(0, &par->lc_ss0_usr->fontt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) val = sbus_readl(&par->lc_ss0_usr->csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) } while (val & 0x20000000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) /* setup screen buffer for cfb_* functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) sbus_writel(1, &ss->wid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) sbus_writel(0x00ffffff, &ss->planemask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) sbus_writel(0x310b90, &ss->rop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) sbus_writel(0, &par->lc_ss0_usr->addrspace);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) /* hide cursor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) sbus_writel(sbus_readl(&cursor->cur_misc) & ~LEO_CUR_ENABLE, &cursor->cur_misc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) spin_unlock_irqrestore(&par->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) static int leo_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) /* We just use this to catch switches out of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) * graphics mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) leo_switch_from_graph(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) if (var->xoffset || var->yoffset || var->vmode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) * leo_setcolreg - Optional function. Sets a color register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) * @regno: boolean, 0 copy local, 1 get_user() function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * @red: frame buffer colormap structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) * @green: The green value which can be up to 16 bits wide
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) * @blue: The blue value which can be up to 16 bits wide.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) * @transp: If supported the alpha value which can be up to 16 bits wide.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) * @info: frame buffer info structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) static int leo_setcolreg(unsigned regno,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) unsigned red, unsigned green, unsigned blue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) unsigned transp, struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) struct leo_par *par = (struct leo_par *) info->par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (regno >= 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) red >>= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) green >>= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) blue >>= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) par->clut_data[regno] = red | (green << 8) | (blue << 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) spin_lock_irqsave(&par->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) leo_wait(lx_krn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) sbus_writel(LEO_KRN_TYPE_CLUTDATA, &lx_krn->krn_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) for (i = 0; i < 256; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) sbus_writel(par->clut_data[i], &lx_krn->krn_value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) sbus_writel(LEO_KRN_TYPE_CLUT0, &lx_krn->krn_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) val = sbus_readl(&lx_krn->krn_csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) val |= (LEO_KRN_CSR_UNK | LEO_KRN_CSR_UNK2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) sbus_writel(val, &lx_krn->krn_csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) spin_unlock_irqrestore(&par->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) * leo_blank - Optional function. Blanks the display.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) * @blank_mode: the blank mode we want.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) * @info: frame buffer structure that represents a single frame buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) static int leo_blank(int blank, struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) struct leo_par *par = (struct leo_par *) info->par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) spin_lock_irqsave(&par->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) switch (blank) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) case FB_BLANK_UNBLANK: /* Unblanking */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) val = sbus_readl(&lx_krn->krn_csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) val |= LEO_KRN_CSR_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) sbus_writel(val, &lx_krn->krn_csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) par->flags &= ~LEO_FLAG_BLANKED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) case FB_BLANK_NORMAL: /* Normal blanking */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) case FB_BLANK_POWERDOWN: /* Poweroff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) val = sbus_readl(&lx_krn->krn_csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) val &= ~LEO_KRN_CSR_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) sbus_writel(val, &lx_krn->krn_csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) par->flags |= LEO_FLAG_BLANKED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) spin_unlock_irqrestore(&par->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) static struct sbus_mmap_map leo_mmap_map[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) .voff = LEO_SS0_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) .poff = LEO_OFF_SS0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) .size = 0x800000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) .voff = LEO_LC_SS0_USR_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) .poff = LEO_OFF_LC_SS0_USR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) .voff = LEO_LD_SS0_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) .poff = LEO_OFF_LD_SS0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) .voff = LEO_LX_CURSOR_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) .poff = LEO_OFF_LX_CURSOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) .voff = LEO_SS1_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) .poff = LEO_OFF_SS1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) .size = 0x800000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) .voff = LEO_LC_SS1_USR_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) .poff = LEO_OFF_LC_SS1_USR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) .voff = LEO_LD_SS1_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) .poff = LEO_OFF_LD_SS1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) .voff = LEO_UNK_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) .poff = LEO_OFF_UNK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) .voff = LEO_LX_KRN_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) .poff = LEO_OFF_LX_KRN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) .voff = LEO_LC_SS0_KRN_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) .poff = LEO_OFF_LC_SS0_KRN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) .voff = LEO_LC_SS1_KRN_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) .poff = LEO_OFF_LC_SS1_KRN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) .voff = LEO_LD_GBL_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) .poff = LEO_OFF_LD_GBL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) .size = 0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) .voff = LEO_UNK2_MAP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) .poff = LEO_OFF_UNK2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) .size = 0x100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) { .size = 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) static int leo_mmap(struct fb_info *info, struct vm_area_struct *vma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) struct leo_par *par = (struct leo_par *)info->par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) return sbusfb_mmap_helper(leo_mmap_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) info->fix.smem_start, info->fix.smem_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) par->which_io, vma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) static int leo_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) return sbusfb_ioctl_helper(cmd, arg, info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) FBTYPE_SUNLEO, 32, info->fix.smem_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) * Initialisation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) leo_init_fix(struct fb_info *info, struct device_node *dp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) snprintf(info->fix.id, sizeof(info->fix.id), "%pOFn", dp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) info->fix.type = FB_TYPE_PACKED_PIXELS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) info->fix.visual = FB_VISUAL_TRUECOLOR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) info->fix.line_length = 8192;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) info->fix.accel = FB_ACCEL_SUN_LEO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) static void leo_wid_put(struct fb_info *info, struct fb_wid_list *wl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) struct leo_par *par = (struct leo_par *) info->par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) struct leo_lx_krn __iomem *lx_krn = par->lx_krn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) struct fb_wid_item *wi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) spin_lock_irqsave(&par->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) leo_wait(lx_krn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) switch (wi->wi_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) case FB_WID_DBL_8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) j = (wi->wi_index & 0xf) + 0x40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) case FB_WID_DBL_24:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) j = wi->wi_index & 0x3f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) sbus_writel(0x5800 + j, &lx_krn->krn_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) sbus_writel(wi->wi_values[0], &lx_krn->krn_value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) sbus_writel(LEO_KRN_TYPE_WID, &lx_krn->krn_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) val = sbus_readl(&lx_krn->krn_csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) val |= (LEO_KRN_CSR_UNK | LEO_KRN_CSR_UNK2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) sbus_writel(val, &lx_krn->krn_csr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) spin_unlock_irqrestore(&par->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) static void leo_init_wids(struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) struct fb_wid_item wi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) struct fb_wid_list wl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) wl.wl_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) wl.wl_list = &wi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) wi.wi_type = FB_WID_DBL_8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) wi.wi_index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) wi.wi_values [0] = 0x2c0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) leo_wid_put(info, &wl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) wi.wi_index = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) wi.wi_values [0] = 0x30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) leo_wid_put(info, &wl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) wi.wi_index = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) wi.wi_values [0] = 0x20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) leo_wid_put(info, &wl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) wi.wi_type = FB_WID_DBL_24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) wi.wi_index = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) wi.wi_values [0] = 0x30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) leo_wid_put(info, &wl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) static void leo_init_hw(struct fb_info *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) struct leo_par *par = (struct leo_par *) info->par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) u32 val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) val = sbus_readl(&par->ld_ss1->ss1_misc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) val |= LEO_SS1_MISC_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) sbus_writel(val, &par->ld_ss1->ss1_misc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) leo_switch_from_graph(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) static void leo_fixup_var_rgb(struct fb_var_screeninfo *var)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) var->red.offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) var->red.length = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) var->green.offset = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) var->green.length = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) var->blue.offset = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) var->blue.length = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) var->transp.offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) var->transp.length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) static void leo_unmap_regs(struct platform_device *op, struct fb_info *info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) struct leo_par *par)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (par->lc_ss0_usr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) of_iounmap(&op->resource[0], par->lc_ss0_usr, 0x1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) if (par->ld_ss0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) of_iounmap(&op->resource[0], par->ld_ss0, 0x1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) if (par->ld_ss1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) of_iounmap(&op->resource[0], par->ld_ss1, 0x1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) if (par->lx_krn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) of_iounmap(&op->resource[0], par->lx_krn, 0x1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) if (par->cursor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) of_iounmap(&op->resource[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) par->cursor, sizeof(struct leo_cursor));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) if (info->screen_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) of_iounmap(&op->resource[0], info->screen_base, 0x800000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) static int leo_probe(struct platform_device *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) struct device_node *dp = op->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) struct fb_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) struct leo_par *par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) int linebytes, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) info = framebuffer_alloc(sizeof(struct leo_par), &op->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) if (!info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) par = info->par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) spin_lock_init(&par->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) info->fix.smem_start = op->resource[0].start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) par->which_io = op->resource[0].flags & IORESOURCE_BITS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) sbusfb_fill_var(&info->var, dp, 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) leo_fixup_var_rgb(&info->var);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) linebytes = of_getintprop_default(dp, "linebytes",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) info->var.xres);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) info->fix.smem_len = PAGE_ALIGN(linebytes * info->var.yres);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) par->lc_ss0_usr =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) of_ioremap(&op->resource[0], LEO_OFF_LC_SS0_USR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) 0x1000, "leolc ss0usr");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) par->ld_ss0 =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) of_ioremap(&op->resource[0], LEO_OFF_LD_SS0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) 0x1000, "leold ss0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) par->ld_ss1 =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) of_ioremap(&op->resource[0], LEO_OFF_LD_SS1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) 0x1000, "leold ss1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) par->lx_krn =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) of_ioremap(&op->resource[0], LEO_OFF_LX_KRN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) 0x1000, "leolx krn");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) par->cursor =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) of_ioremap(&op->resource[0], LEO_OFF_LX_CURSOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) sizeof(struct leo_cursor), "leolx cursor");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) info->screen_base =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) of_ioremap(&op->resource[0], LEO_OFF_SS0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) 0x800000, "leo ram");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (!par->lc_ss0_usr ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) !par->ld_ss0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) !par->ld_ss1 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) !par->lx_krn ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) !par->cursor ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) !info->screen_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) goto out_unmap_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) info->flags = FBINFO_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) info->fbops = &leo_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) info->pseudo_palette = par->clut_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) leo_init_wids(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) leo_init_hw(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) leo_blank(FB_BLANK_UNBLANK, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) if (fb_alloc_cmap(&info->cmap, 256, 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) goto out_unmap_regs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) leo_init_fix(info, dp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) err = register_framebuffer(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) goto out_dealloc_cmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) dev_set_drvdata(&op->dev, info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) printk(KERN_INFO "%pOF: leo at %lx:%lx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) dp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) par->which_io, info->fix.smem_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) out_dealloc_cmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) fb_dealloc_cmap(&info->cmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) out_unmap_regs:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) leo_unmap_regs(op, info, par);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) framebuffer_release(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) out_err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) static int leo_remove(struct platform_device *op)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) struct fb_info *info = dev_get_drvdata(&op->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) struct leo_par *par = info->par;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) unregister_framebuffer(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) fb_dealloc_cmap(&info->cmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) leo_unmap_regs(op, info, par);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) framebuffer_release(info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) static const struct of_device_id leo_match[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) .name = "SUNW,leo",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) {},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) MODULE_DEVICE_TABLE(of, leo_match);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) static struct platform_driver leo_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) .name = "leo",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) .of_match_table = leo_match,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) .probe = leo_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) .remove = leo_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static int __init leo_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) if (fb_get_options("leofb", NULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) return platform_driver_register(&leo_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) static void __exit leo_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) platform_driver_unregister(&leo_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) module_init(leo_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) module_exit(leo_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) MODULE_DESCRIPTION("framebuffer driver for LEO chipsets");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) MODULE_VERSION("2.0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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