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1133 lines
28 KiB
1133 lines
28 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/drivers/video/console/sticore.c - |
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* core code for console driver using HP's STI firmware |
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* |
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* Copyright (C) 2000 Philipp Rumpf <[email protected]> |
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* Copyright (C) 2001-2020 Helge Deller <[email protected]> |
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* Copyright (C) 2001-2002 Thomas Bogendoerfer <[email protected]> |
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* |
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* TODO: |
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* - call STI in virtual mode rather than in real mode |
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* - screen blanking with state_mgmt() in text mode STI ? |
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* - try to make it work on m68k hp workstations ;) |
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* |
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*/ |
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|
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#define pr_fmt(fmt) "%s: " fmt, KBUILD_MODNAME |
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|
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#include <linux/module.h> |
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#include <linux/types.h> |
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#include <linux/kernel.h> |
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#include <linux/slab.h> |
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#include <linux/init.h> |
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#include <linux/pci.h> |
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#include <linux/font.h> |
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|
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#include <asm/hardware.h> |
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#include <asm/page.h> |
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#include <asm/parisc-device.h> |
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#include <asm/pdc.h> |
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#include <asm/cacheflush.h> |
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#include <asm/grfioctl.h> |
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#include "../fbdev/sticore.h" |
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#define STI_DRIVERVERSION "Version 0.9b" |
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static struct sti_struct *default_sti __read_mostly; |
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|
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/* number of STI ROMS found and their ptrs to each struct */ |
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static int num_sti_roms __read_mostly; |
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static struct sti_struct *sti_roms[MAX_STI_ROMS] __read_mostly; |
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|
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/* The colour indices used by STI are |
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* 0 - Black |
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* 1 - White |
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* 2 - Red |
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* 3 - Yellow/Brown |
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* 4 - Green |
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* 5 - Cyan |
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* 6 - Blue |
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* 7 - Magenta |
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* |
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* So we have the same colours as VGA (basically one bit each for R, G, B), |
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* but have to translate them, anyway. */ |
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|
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static const u8 col_trans[8] = { |
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0, 6, 4, 5, |
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2, 7, 3, 1 |
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}; |
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#define c_fg(sti, c) col_trans[((c>> 8) & 7)] |
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#define c_bg(sti, c) col_trans[((c>>11) & 7)] |
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#define c_index(sti, c) ((c) & 0xff) |
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|
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static const struct sti_init_flags default_init_flags = { |
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.wait = STI_WAIT, |
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.reset = 1, |
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.text = 1, |
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.nontext = 1, |
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.no_chg_bet = 1, |
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.no_chg_bei = 1, |
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.init_cmap_tx = 1, |
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}; |
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static int sti_init_graph(struct sti_struct *sti) |
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{ |
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struct sti_init_inptr *inptr = &sti->sti_data->init_inptr; |
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struct sti_init_inptr_ext *inptr_ext = &sti->sti_data->init_inptr_ext; |
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struct sti_init_outptr *outptr = &sti->sti_data->init_outptr; |
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unsigned long flags; |
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int ret, err; |
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spin_lock_irqsave(&sti->lock, flags); |
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memset(inptr, 0, sizeof(*inptr)); |
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inptr->text_planes = 3; /* # of text planes (max 3 for STI) */ |
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memset(inptr_ext, 0, sizeof(*inptr_ext)); |
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inptr->ext_ptr = STI_PTR(inptr_ext); |
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outptr->errno = 0; |
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ret = sti_call(sti, sti->init_graph, &default_init_flags, inptr, |
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outptr, sti->glob_cfg); |
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if (ret >= 0) |
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sti->text_planes = outptr->text_planes; |
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err = outptr->errno; |
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spin_unlock_irqrestore(&sti->lock, flags); |
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if (ret < 0) { |
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pr_err("STI init_graph failed (ret %d, errno %d)\n", ret, err); |
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return -1; |
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} |
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return 0; |
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} |
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static const struct sti_conf_flags default_conf_flags = { |
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.wait = STI_WAIT, |
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}; |
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static void sti_inq_conf(struct sti_struct *sti) |
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{ |
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struct sti_conf_inptr *inptr = &sti->sti_data->inq_inptr; |
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struct sti_conf_outptr *outptr = &sti->sti_data->inq_outptr; |
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unsigned long flags; |
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s32 ret; |
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outptr->ext_ptr = STI_PTR(&sti->sti_data->inq_outptr_ext); |
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do { |
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spin_lock_irqsave(&sti->lock, flags); |
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memset(inptr, 0, sizeof(*inptr)); |
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ret = sti_call(sti, sti->inq_conf, &default_conf_flags, |
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inptr, outptr, sti->glob_cfg); |
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spin_unlock_irqrestore(&sti->lock, flags); |
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} while (ret == 1); |
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} |
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static const struct sti_font_flags default_font_flags = { |
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.wait = STI_WAIT, |
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.non_text = 0, |
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}; |
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void |
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sti_putc(struct sti_struct *sti, int c, int y, int x, |
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struct sti_cooked_font *font) |
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{ |
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struct sti_font_inptr *inptr = &sti->sti_data->font_inptr; |
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struct sti_font_inptr inptr_default = { |
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.font_start_addr = STI_PTR(font->raw), |
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.index = c_index(sti, c), |
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.fg_color = c_fg(sti, c), |
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.bg_color = c_bg(sti, c), |
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.dest_x = x * font->width, |
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.dest_y = y * font->height, |
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}; |
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struct sti_font_outptr *outptr = &sti->sti_data->font_outptr; |
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s32 ret; |
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unsigned long flags; |
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do { |
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spin_lock_irqsave(&sti->lock, flags); |
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*inptr = inptr_default; |
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ret = sti_call(sti, sti->font_unpmv, &default_font_flags, |
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inptr, outptr, sti->glob_cfg); |
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spin_unlock_irqrestore(&sti->lock, flags); |
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} while (ret == 1); |
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} |
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static const struct sti_blkmv_flags clear_blkmv_flags = { |
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.wait = STI_WAIT, |
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.color = 1, |
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.clear = 1, |
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}; |
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void |
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sti_set(struct sti_struct *sti, int src_y, int src_x, |
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int height, int width, u8 color) |
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{ |
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struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; |
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struct sti_blkmv_inptr inptr_default = { |
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.fg_color = color, |
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.bg_color = color, |
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.src_x = src_x, |
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.src_y = src_y, |
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.dest_x = src_x, |
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.dest_y = src_y, |
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.width = width, |
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.height = height, |
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}; |
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struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; |
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s32 ret; |
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unsigned long flags; |
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do { |
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spin_lock_irqsave(&sti->lock, flags); |
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*inptr = inptr_default; |
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ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, |
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inptr, outptr, sti->glob_cfg); |
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spin_unlock_irqrestore(&sti->lock, flags); |
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} while (ret == 1); |
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} |
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void |
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sti_clear(struct sti_struct *sti, int src_y, int src_x, |
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int height, int width, int c, struct sti_cooked_font *font) |
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{ |
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struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; |
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struct sti_blkmv_inptr inptr_default = { |
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.fg_color = c_fg(sti, c), |
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.bg_color = c_bg(sti, c), |
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.src_x = src_x * font->width, |
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.src_y = src_y * font->height, |
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.dest_x = src_x * font->width, |
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.dest_y = src_y * font->height, |
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.width = width * font->width, |
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.height = height * font->height, |
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}; |
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struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; |
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s32 ret; |
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unsigned long flags; |
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do { |
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spin_lock_irqsave(&sti->lock, flags); |
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*inptr = inptr_default; |
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ret = sti_call(sti, sti->block_move, &clear_blkmv_flags, |
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inptr, outptr, sti->glob_cfg); |
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spin_unlock_irqrestore(&sti->lock, flags); |
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} while (ret == 1); |
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} |
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static const struct sti_blkmv_flags default_blkmv_flags = { |
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.wait = STI_WAIT, |
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}; |
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void |
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sti_bmove(struct sti_struct *sti, int src_y, int src_x, |
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int dst_y, int dst_x, int height, int width, |
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struct sti_cooked_font *font) |
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{ |
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struct sti_blkmv_inptr *inptr = &sti->sti_data->blkmv_inptr; |
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struct sti_blkmv_inptr inptr_default = { |
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.src_x = src_x * font->width, |
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.src_y = src_y * font->height, |
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.dest_x = dst_x * font->width, |
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.dest_y = dst_y * font->height, |
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.width = width * font->width, |
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.height = height * font->height, |
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}; |
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struct sti_blkmv_outptr *outptr = &sti->sti_data->blkmv_outptr; |
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s32 ret; |
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unsigned long flags; |
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do { |
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spin_lock_irqsave(&sti->lock, flags); |
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*inptr = inptr_default; |
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ret = sti_call(sti, sti->block_move, &default_blkmv_flags, |
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inptr, outptr, sti->glob_cfg); |
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spin_unlock_irqrestore(&sti->lock, flags); |
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} while (ret == 1); |
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} |
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static void sti_flush(unsigned long start, unsigned long end) |
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{ |
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flush_icache_range(start, end); |
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} |
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static void sti_rom_copy(unsigned long base, unsigned long count, void *dest) |
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{ |
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unsigned long dest_start = (unsigned long) dest; |
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|
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/* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ |
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while (count >= 4) { |
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count -= 4; |
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*(u32 *)dest = gsc_readl(base); |
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base += 4; |
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dest += 4; |
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} |
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while (count) { |
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count--; |
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*(u8 *)dest = gsc_readb(base); |
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base++; |
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dest++; |
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} |
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sti_flush(dest_start, (unsigned long)dest); |
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} |
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static char default_sti_path[21] __read_mostly; |
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#ifndef MODULE |
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static int __init sti_setup(char *str) |
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{ |
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if (str) |
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strlcpy (default_sti_path, str, sizeof (default_sti_path)); |
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return 1; |
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} |
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/* Assuming the machine has multiple STI consoles (=graphic cards) which |
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* all get detected by sticon, the user may define with the linux kernel |
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* parameter sti=<x> which of them will be the initial boot-console. |
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* <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default |
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* STI screen. |
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*/ |
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__setup("sti=", sti_setup); |
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#endif |
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static char *font_name; |
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static int font_index, |
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font_height, |
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font_width; |
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#ifndef MODULE |
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static int sti_font_setup(char *str) |
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{ |
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/* |
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* The default font can be selected in various ways. |
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* a) sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 selects |
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* an built-in Linux framebuffer font. |
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* b) sti_font=<index>, where index is (1..x) with 1 selecting |
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* the first HP STI ROM built-in font.. |
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*/ |
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if (*str >= '0' && *str <= '9') { |
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char *x; |
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if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { |
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font_height = simple_strtoul(str, NULL, 0); |
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font_width = simple_strtoul(x+1, NULL, 0); |
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} else { |
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font_index = simple_strtoul(str, NULL, 0); |
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} |
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} else { |
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font_name = str; /* fb font name */ |
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} |
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return 1; |
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} |
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/* The optional linux kernel parameter "sti_font" defines which font |
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* should be used by the sticon driver to draw characters to the screen. |
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* Possible values are: |
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* - sti_font=<fb_fontname>: |
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* <fb_fontname> is the name of one of the linux-kernel built-in |
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* framebuffer font names (e.g. VGA8x16, SUN22x18). |
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* This is only available if the fonts have been statically compiled |
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* in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options. |
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* - sti_font=<number> (<number> = 1,2,3,...) |
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* most STI ROMs have built-in HP specific fonts, which can be selected |
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* by giving the desired number to the sticon driver. |
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* NOTE: This number is machine and STI ROM dependend. |
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* - sti_font=<height>x<width> (e.g. sti_font=16x8) |
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* <height> and <width> gives hints to the height and width of the |
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* font which the user wants. The sticon driver will try to use |
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* a font with this height and width, but if no suitable font is |
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* found, sticon will use the default 8x8 font. |
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*/ |
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__setup("sti_font=", sti_font_setup); |
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#endif |
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static void sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, |
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unsigned int sti_mem_request) |
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{ |
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struct sti_glob_cfg_ext *cfg; |
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|
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pr_debug("%d text planes\n" |
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"%4d x %4d screen resolution\n" |
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"%4d x %4d offscreen\n" |
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"%4d x %4d layout\n" |
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"regions at %08x %08x %08x %08x\n" |
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"regions at %08x %08x %08x %08x\n" |
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"reent_lvl %d\n" |
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"save_addr %08x\n", |
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glob_cfg->text_planes, |
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glob_cfg->onscreen_x, glob_cfg->onscreen_y, |
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glob_cfg->offscreen_x, glob_cfg->offscreen_y, |
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glob_cfg->total_x, glob_cfg->total_y, |
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glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], |
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glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], |
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glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], |
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glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], |
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glob_cfg->reent_lvl, |
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glob_cfg->save_addr); |
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|
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/* dump extended cfg */ |
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cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); |
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pr_debug("monitor %d\n" |
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"in friendly mode: %d\n" |
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"power consumption %d watts\n" |
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"freq ref %d\n" |
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"sti_mem_addr %08x (size=%d bytes)\n", |
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cfg->curr_mon, |
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cfg->friendly_boot, |
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cfg->power, |
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cfg->freq_ref, |
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cfg->sti_mem_addr, sti_mem_request); |
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} |
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static void sti_dump_outptr(struct sti_struct *sti) |
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{ |
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pr_debug("%d bits per pixel\n" |
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"%d used bits\n" |
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"%d planes\n" |
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"attributes %08x\n", |
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sti->sti_data->inq_outptr.bits_per_pixel, |
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sti->sti_data->inq_outptr.bits_used, |
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sti->sti_data->inq_outptr.planes, |
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sti->sti_data->inq_outptr.attributes); |
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} |
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static int sti_init_glob_cfg(struct sti_struct *sti, unsigned long rom_address, |
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unsigned long hpa) |
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{ |
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struct sti_glob_cfg *glob_cfg; |
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struct sti_glob_cfg_ext *glob_cfg_ext; |
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void *save_addr; |
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void *sti_mem_addr; |
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int i, size; |
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|
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if (sti->sti_mem_request < 256) |
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sti->sti_mem_request = 256; /* STI default */ |
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size = sizeof(struct sti_all_data) + sti->sti_mem_request - 256; |
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sti->sti_data = kzalloc(size, STI_LOWMEM); |
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if (!sti->sti_data) |
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return -ENOMEM; |
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glob_cfg = &sti->sti_data->glob_cfg; |
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glob_cfg_ext = &sti->sti_data->glob_cfg_ext; |
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save_addr = &sti->sti_data->save_addr; |
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sti_mem_addr = &sti->sti_data->sti_mem_addr; |
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|
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glob_cfg->ext_ptr = STI_PTR(glob_cfg_ext); |
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glob_cfg->save_addr = STI_PTR(save_addr); |
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for (i=0; i<8; i++) { |
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unsigned long newhpa, len; |
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|
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if (sti->pd) { |
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unsigned char offs = sti->rm_entry[i]; |
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|
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if (offs == 0) |
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continue; |
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if (offs != PCI_ROM_ADDRESS && |
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(offs < PCI_BASE_ADDRESS_0 || |
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offs > PCI_BASE_ADDRESS_5)) { |
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pr_warn("STI pci region mapping for region %d (%02x) can't be mapped\n", |
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i,sti->rm_entry[i]); |
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continue; |
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} |
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newhpa = pci_resource_start (sti->pd, (offs - PCI_BASE_ADDRESS_0) / 4); |
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} else |
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newhpa = (i == 0) ? rom_address : hpa; |
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|
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sti->regions_phys[i] = |
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REGION_OFFSET_TO_PHYS(sti->regions[i], newhpa); |
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|
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len = sti->regions[i].region_desc.length * 4096; |
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if (len) |
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glob_cfg->region_ptrs[i] = sti->regions_phys[i]; |
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|
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pr_debug("region #%d: phys %08lx, region_ptr %08x, len=%lukB, " |
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"btlb=%d, sysonly=%d, cache=%d, last=%d\n", |
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i, sti->regions_phys[i], glob_cfg->region_ptrs[i], |
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len/1024, |
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sti->regions[i].region_desc.btlb, |
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sti->regions[i].region_desc.sys_only, |
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sti->regions[i].region_desc.cache, |
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sti->regions[i].region_desc.last); |
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|
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/* last entry reached ? */ |
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if (sti->regions[i].region_desc.last) |
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break; |
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} |
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|
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if (++i<8 && sti->regions[i].region) |
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pr_warn("future ptr (0x%8x) not yet supported !\n", |
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sti->regions[i].region); |
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|
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glob_cfg_ext->sti_mem_addr = STI_PTR(sti_mem_addr); |
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|
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sti->glob_cfg = glob_cfg; |
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|
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return 0; |
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} |
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|
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#ifdef CONFIG_FONT_SUPPORT |
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static struct sti_cooked_font * |
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sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) |
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{ |
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const struct font_desc *fbfont = NULL; |
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unsigned int size, bpc; |
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void *dest; |
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struct sti_rom_font *nf; |
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struct sti_cooked_font *cooked_font; |
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|
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if (fbfont_name && strlen(fbfont_name)) |
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fbfont = find_font(fbfont_name); |
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if (!fbfont) |
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fbfont = get_default_font(1024,768, ~(u32)0, ~(u32)0); |
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if (!fbfont) |
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return NULL; |
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|
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pr_info("STI selected %ux%u framebuffer font %s for sticon\n", |
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fbfont->width, fbfont->height, fbfont->name); |
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|
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bpc = ((fbfont->width+7)/8) * fbfont->height; |
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size = bpc * fbfont->charcount; |
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size += sizeof(struct sti_rom_font); |
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|
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nf = kzalloc(size, STI_LOWMEM); |
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if (!nf) |
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return NULL; |
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|
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nf->first_char = 0; |
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nf->last_char = fbfont->charcount - 1; |
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nf->width = fbfont->width; |
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nf->height = fbfont->height; |
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nf->font_type = STI_FONT_HPROMAN8; |
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nf->bytes_per_char = bpc; |
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nf->next_font = 0; |
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nf->underline_height = 1; |
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nf->underline_pos = fbfont->height - nf->underline_height; |
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|
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dest = nf; |
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dest += sizeof(struct sti_rom_font); |
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memcpy(dest, fbfont->data, bpc * fbfont->charcount); |
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|
|
cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
|
if (!cooked_font) { |
|
kfree(nf); |
|
return NULL; |
|
} |
|
|
|
cooked_font->raw = nf; |
|
cooked_font->raw_ptr = nf; |
|
cooked_font->next_font = NULL; |
|
|
|
cooked_rom->font_start = cooked_font; |
|
|
|
return cooked_font; |
|
} |
|
#else |
|
static struct sti_cooked_font * |
|
sti_select_fbfont(struct sti_cooked_rom *cooked_rom, const char *fbfont_name) |
|
{ |
|
return NULL; |
|
} |
|
#endif |
|
|
|
static int sti_search_font(struct sti_cooked_rom *rom, int height, int width) |
|
{ |
|
struct sti_cooked_font *font; |
|
int i = 0; |
|
|
|
for (font = rom->font_start; font; font = font->next_font, i++) { |
|
if ((font->raw->width == width) && |
|
(font->raw->height == height)) |
|
return i; |
|
} |
|
return 0; |
|
} |
|
|
|
static struct sti_cooked_font *sti_select_font(struct sti_cooked_rom *rom) |
|
{ |
|
struct sti_cooked_font *font; |
|
int i; |
|
|
|
/* check for framebuffer-font first */ |
|
if (!font_index) { |
|
font = sti_select_fbfont(rom, font_name); |
|
if (font) |
|
return font; |
|
} |
|
|
|
if (font_width && font_height) |
|
font_index = sti_search_font(rom, |
|
font_height, font_width); |
|
|
|
for (font = rom->font_start, i = font_index - 1; |
|
font && (i > 0); |
|
font = font->next_font, i--); |
|
|
|
if (font) |
|
return font; |
|
else |
|
return rom->font_start; |
|
} |
|
|
|
|
|
static void sti_dump_rom(struct sti_struct *sti) |
|
{ |
|
struct sti_rom *rom = sti->rom->raw; |
|
struct sti_cooked_font *font_start; |
|
int nr; |
|
|
|
pr_info(" id %04x-%04x, conforms to spec rev. %d.%02x\n", |
|
rom->graphics_id[0], |
|
rom->graphics_id[1], |
|
rom->revno[0] >> 4, |
|
rom->revno[0] & 0x0f); |
|
pr_debug(" supports %d monitors\n", rom->num_mons); |
|
pr_debug(" font start %08x\n", rom->font_start); |
|
pr_debug(" region list %08x\n", rom->region_list); |
|
pr_debug(" init_graph %08x\n", rom->init_graph); |
|
pr_debug(" bus support %02x\n", rom->bus_support); |
|
pr_debug(" ext bus support %02x\n", rom->ext_bus_support); |
|
pr_debug(" alternate code type %d\n", rom->alt_code_type); |
|
|
|
font_start = sti->rom->font_start; |
|
nr = 0; |
|
while (font_start) { |
|
struct sti_rom_font *f = font_start->raw; |
|
|
|
pr_info(" built-in font #%d: size %dx%d, chars %d-%d, bpc %d\n", ++nr, |
|
f->width, f->height, |
|
f->first_char, f->last_char, f->bytes_per_char); |
|
font_start = font_start->next_font; |
|
} |
|
} |
|
|
|
|
|
static int sti_cook_fonts(struct sti_cooked_rom *cooked_rom, |
|
struct sti_rom *raw_rom) |
|
{ |
|
struct sti_rom_font *raw_font, *font_start; |
|
struct sti_cooked_font *cooked_font; |
|
|
|
cooked_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
|
if (!cooked_font) |
|
return 0; |
|
|
|
cooked_rom->font_start = cooked_font; |
|
|
|
raw_font = ((void *)raw_rom) + (raw_rom->font_start); |
|
|
|
font_start = raw_font; |
|
cooked_font->raw = raw_font; |
|
|
|
while (raw_font->next_font) { |
|
raw_font = ((void *)font_start) + (raw_font->next_font); |
|
|
|
cooked_font->next_font = kzalloc(sizeof(*cooked_font), GFP_KERNEL); |
|
if (!cooked_font->next_font) |
|
return 1; |
|
|
|
cooked_font = cooked_font->next_font; |
|
|
|
cooked_font->raw = raw_font; |
|
} |
|
|
|
cooked_font->next_font = NULL; |
|
return 1; |
|
} |
|
|
|
#define BMODE_RELOCATE(offset) offset = (offset) / 4; |
|
#define BMODE_LAST_ADDR_OFFS 0x50 |
|
|
|
void sti_font_convert_bytemode(struct sti_struct *sti, struct sti_cooked_font *f) |
|
{ |
|
unsigned char *n, *p, *q; |
|
int size = f->raw->bytes_per_char * (f->raw->last_char + 1) + sizeof(struct sti_rom_font); |
|
struct sti_rom_font *old_font; |
|
|
|
if (sti->wordmode) |
|
return; |
|
|
|
old_font = f->raw_ptr; |
|
n = kcalloc(4, size, STI_LOWMEM); |
|
f->raw_ptr = n; |
|
if (!n) |
|
return; |
|
p = n + 3; |
|
q = (unsigned char *) f->raw; |
|
while (size--) { |
|
*p = *q++; |
|
p += 4; |
|
} |
|
/* store new ptr to byte-mode font and delete old font */ |
|
f->raw = (struct sti_rom_font *) (n + 3); |
|
kfree(old_font); |
|
} |
|
EXPORT_SYMBOL(sti_font_convert_bytemode); |
|
|
|
static void sti_bmode_rom_copy(unsigned long base, unsigned long count, |
|
void *dest) |
|
{ |
|
unsigned long dest_start = (unsigned long) dest; |
|
|
|
while (count) { |
|
count--; |
|
*(u8 *)dest = gsc_readl(base); |
|
base += 4; |
|
dest++; |
|
} |
|
|
|
sti_flush(dest_start, (unsigned long)dest); |
|
} |
|
|
|
static struct sti_rom *sti_get_bmode_rom (unsigned long address) |
|
{ |
|
struct sti_rom *raw; |
|
u32 size; |
|
struct sti_rom_font *raw_font, *font_start; |
|
|
|
sti_bmode_rom_copy(address + BMODE_LAST_ADDR_OFFS, sizeof(size), &size); |
|
|
|
size = (size+3) / 4; |
|
raw = kmalloc(size, STI_LOWMEM); |
|
if (raw) { |
|
sti_bmode_rom_copy(address, size, raw); |
|
memmove (&raw->res004, &raw->type[0], 0x3c); |
|
raw->type[3] = raw->res004; |
|
|
|
BMODE_RELOCATE (raw->region_list); |
|
BMODE_RELOCATE (raw->font_start); |
|
|
|
BMODE_RELOCATE (raw->init_graph); |
|
BMODE_RELOCATE (raw->state_mgmt); |
|
BMODE_RELOCATE (raw->font_unpmv); |
|
BMODE_RELOCATE (raw->block_move); |
|
BMODE_RELOCATE (raw->inq_conf); |
|
|
|
raw_font = ((void *)raw) + raw->font_start; |
|
font_start = raw_font; |
|
|
|
while (raw_font->next_font) { |
|
BMODE_RELOCATE (raw_font->next_font); |
|
raw_font = ((void *)font_start) + raw_font->next_font; |
|
} |
|
} |
|
return raw; |
|
} |
|
|
|
static struct sti_rom *sti_get_wmode_rom(unsigned long address) |
|
{ |
|
struct sti_rom *raw; |
|
unsigned long size; |
|
|
|
/* read the ROM size directly from the struct in ROM */ |
|
size = gsc_readl(address + offsetof(struct sti_rom,last_addr)); |
|
|
|
raw = kmalloc(size, STI_LOWMEM); |
|
if (raw) |
|
sti_rom_copy(address, size, raw); |
|
|
|
return raw; |
|
} |
|
|
|
static int sti_read_rom(int wordmode, struct sti_struct *sti, |
|
unsigned long address) |
|
{ |
|
struct sti_cooked_rom *cooked; |
|
struct sti_rom *raw = NULL; |
|
unsigned long revno; |
|
|
|
cooked = kmalloc(sizeof *cooked, GFP_KERNEL); |
|
if (!cooked) |
|
goto out_err; |
|
|
|
if (wordmode) |
|
raw = sti_get_wmode_rom (address); |
|
else |
|
raw = sti_get_bmode_rom (address); |
|
|
|
if (!raw) |
|
goto out_err; |
|
|
|
if (!sti_cook_fonts(cooked, raw)) { |
|
pr_warn("No font found for STI at %08lx\n", address); |
|
goto out_err; |
|
} |
|
|
|
if (raw->region_list) |
|
memcpy(sti->regions, ((void *)raw)+raw->region_list, sizeof(sti->regions)); |
|
|
|
address = (unsigned long) STI_PTR(raw); |
|
|
|
pr_info("STI %s ROM supports 32 %sbit firmware functions.\n", |
|
wordmode ? "word mode" : "byte mode", |
|
raw->alt_code_type == ALT_CODE_TYPE_PA_RISC_64 |
|
? "and 64 " : ""); |
|
|
|
sti->font_unpmv = address + (raw->font_unpmv & 0x03ffffff); |
|
sti->block_move = address + (raw->block_move & 0x03ffffff); |
|
sti->init_graph = address + (raw->init_graph & 0x03ffffff); |
|
sti->inq_conf = address + (raw->inq_conf & 0x03ffffff); |
|
|
|
sti->rom = cooked; |
|
sti->rom->raw = raw; |
|
sti_dump_rom(sti); |
|
|
|
sti->wordmode = wordmode; |
|
sti->font = sti_select_font(sti->rom); |
|
sti->font->width = sti->font->raw->width; |
|
sti->font->height = sti->font->raw->height; |
|
sti_font_convert_bytemode(sti, sti->font); |
|
|
|
sti->sti_mem_request = raw->sti_mem_req; |
|
sti->graphics_id[0] = raw->graphics_id[0]; |
|
sti->graphics_id[1] = raw->graphics_id[1]; |
|
|
|
/* check if the ROM routines in this card are compatible */ |
|
if (wordmode || sti->graphics_id[1] != 0x09A02587) |
|
goto ok; |
|
|
|
revno = (raw->revno[0] << 8) | raw->revno[1]; |
|
|
|
switch (sti->graphics_id[0]) { |
|
case S9000_ID_HCRX: |
|
/* HyperA or HyperB ? */ |
|
if (revno == 0x8408 || revno == 0x840b) |
|
goto msg_not_supported; |
|
break; |
|
case CRT_ID_THUNDER: |
|
if (revno == 0x8509) |
|
goto msg_not_supported; |
|
break; |
|
case CRT_ID_THUNDER2: |
|
if (revno == 0x850c) |
|
goto msg_not_supported; |
|
} |
|
ok: |
|
return 1; |
|
|
|
msg_not_supported: |
|
pr_warn("Sorry, this GSC/STI card is not yet supported.\n"); |
|
pr_warn("Please see https://parisc.wiki.kernel.org/" |
|
"index.php/Graphics_howto for more info.\n"); |
|
/* fall through */ |
|
out_err: |
|
kfree(raw); |
|
kfree(cooked); |
|
return 0; |
|
} |
|
|
|
static struct sti_struct *sti_try_rom_generic(unsigned long address, |
|
unsigned long hpa, |
|
struct pci_dev *pd) |
|
{ |
|
struct sti_struct *sti; |
|
int ok; |
|
u32 sig; |
|
|
|
if (num_sti_roms >= MAX_STI_ROMS) { |
|
pr_warn("maximum number of STI ROMS reached !\n"); |
|
return NULL; |
|
} |
|
|
|
sti = kzalloc(sizeof(*sti), GFP_KERNEL); |
|
if (!sti) |
|
return NULL; |
|
|
|
spin_lock_init(&sti->lock); |
|
|
|
test_rom: |
|
/* if we can't read the ROM, bail out early. Not being able |
|
* to read the hpa is okay, for romless sti */ |
|
if (pdc_add_valid(address)) |
|
goto out_err; |
|
|
|
sig = gsc_readl(address); |
|
|
|
/* check for a PCI ROM structure */ |
|
if ((le32_to_cpu(sig)==0xaa55)) { |
|
unsigned int i, rm_offset; |
|
u32 *rm; |
|
i = gsc_readl(address+0x04); |
|
if (i != 1) { |
|
/* The ROM could have multiple architecture |
|
* dependent images (e.g. i386, parisc,...) */ |
|
pr_warn("PCI ROM is not a STI ROM type image (0x%8x)\n", i); |
|
goto out_err; |
|
} |
|
|
|
sti->pd = pd; |
|
|
|
i = gsc_readl(address+0x0c); |
|
pr_debug("PCI ROM size (from header) = %d kB\n", |
|
le16_to_cpu(i>>16)*512/1024); |
|
rm_offset = le16_to_cpu(i & 0xffff); |
|
if (rm_offset) { |
|
/* read 16 bytes from the pci region mapper array */ |
|
rm = (u32*) &sti->rm_entry; |
|
*rm++ = gsc_readl(address+rm_offset+0x00); |
|
*rm++ = gsc_readl(address+rm_offset+0x04); |
|
*rm++ = gsc_readl(address+rm_offset+0x08); |
|
*rm++ = gsc_readl(address+rm_offset+0x0c); |
|
} |
|
|
|
address += le32_to_cpu(gsc_readl(address+8)); |
|
pr_debug("sig %04x, PCI STI ROM at %08lx\n", sig, address); |
|
goto test_rom; |
|
} |
|
|
|
ok = 0; |
|
|
|
if ((sig & 0xff) == 0x01) { |
|
pr_debug(" byte mode ROM at %08lx, hpa at %08lx\n", |
|
address, hpa); |
|
ok = sti_read_rom(0, sti, address); |
|
} |
|
|
|
if ((sig & 0xffff) == 0x0303) { |
|
pr_debug(" word mode ROM at %08lx, hpa at %08lx\n", |
|
address, hpa); |
|
ok = sti_read_rom(1, sti, address); |
|
} |
|
|
|
if (!ok) |
|
goto out_err; |
|
|
|
if (sti_init_glob_cfg(sti, address, hpa)) |
|
goto out_err; /* not enough memory */ |
|
|
|
/* disable STI PCI ROM. ROM and card RAM overlap and |
|
* leaving it enabled would force HPMCs |
|
*/ |
|
if (sti->pd) { |
|
unsigned long rom_base; |
|
rom_base = pci_resource_start(sti->pd, PCI_ROM_RESOURCE); |
|
pci_write_config_dword(sti->pd, PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE); |
|
pr_debug("STI PCI ROM disabled\n"); |
|
} |
|
|
|
if (sti_init_graph(sti)) |
|
goto out_err; |
|
|
|
sti_inq_conf(sti); |
|
sti_dump_globcfg(sti->glob_cfg, sti->sti_mem_request); |
|
sti_dump_outptr(sti); |
|
|
|
pr_info(" graphics card name: %s\n", |
|
sti->sti_data->inq_outptr.dev_name); |
|
|
|
sti_roms[num_sti_roms] = sti; |
|
num_sti_roms++; |
|
|
|
return sti; |
|
|
|
out_err: |
|
kfree(sti); |
|
return NULL; |
|
} |
|
|
|
static void sticore_check_for_default_sti(struct sti_struct *sti, char *path) |
|
{ |
|
if (strcmp (path, default_sti_path) == 0) |
|
default_sti = sti; |
|
} |
|
|
|
/* |
|
* on newer systems PDC gives the address of the ROM |
|
* in the additional address field addr[1] while on |
|
* older Systems the PDC stores it in page0->proc_sti |
|
*/ |
|
static int __init sticore_pa_init(struct parisc_device *dev) |
|
{ |
|
char pa_path[21]; |
|
struct sti_struct *sti = NULL; |
|
int hpa = dev->hpa.start; |
|
|
|
if (dev->num_addrs && dev->addr[0]) |
|
sti = sti_try_rom_generic(dev->addr[0], hpa, NULL); |
|
if (!sti) |
|
sti = sti_try_rom_generic(hpa, hpa, NULL); |
|
if (!sti) |
|
sti = sti_try_rom_generic(PAGE0->proc_sti, hpa, NULL); |
|
if (!sti) |
|
return 1; |
|
|
|
print_pa_hwpath(dev, pa_path); |
|
sticore_check_for_default_sti(sti, pa_path); |
|
return 0; |
|
} |
|
|
|
|
|
static int sticore_pci_init(struct pci_dev *pd, const struct pci_device_id *ent) |
|
{ |
|
#ifdef CONFIG_PCI |
|
unsigned long fb_base, rom_base; |
|
unsigned int fb_len, rom_len; |
|
int err; |
|
struct sti_struct *sti; |
|
|
|
err = pci_enable_device(pd); |
|
if (err < 0) { |
|
dev_err(&pd->dev, "Cannot enable PCI device\n"); |
|
return err; |
|
} |
|
|
|
fb_base = pci_resource_start(pd, 0); |
|
fb_len = pci_resource_len(pd, 0); |
|
rom_base = pci_resource_start(pd, PCI_ROM_RESOURCE); |
|
rom_len = pci_resource_len(pd, PCI_ROM_RESOURCE); |
|
if (rom_base) { |
|
pci_write_config_dword(pd, PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE); |
|
pr_debug("STI PCI ROM enabled at 0x%08lx\n", rom_base); |
|
} |
|
|
|
pr_info("STI PCI graphic ROM found at %08lx (%u kB), fb at %08lx (%u MB)\n", |
|
rom_base, rom_len/1024, fb_base, fb_len/1024/1024); |
|
|
|
pr_debug("Trying PCI STI ROM at %08lx, PCI hpa at %08lx\n", |
|
rom_base, fb_base); |
|
|
|
sti = sti_try_rom_generic(rom_base, fb_base, pd); |
|
if (sti) { |
|
char pa_path[30]; |
|
print_pci_hwpath(pd, pa_path); |
|
sticore_check_for_default_sti(sti, pa_path); |
|
} |
|
|
|
if (!sti) { |
|
pr_warn("Unable to handle STI device '%s'\n", pci_name(pd)); |
|
return -ENODEV; |
|
} |
|
#endif /* CONFIG_PCI */ |
|
|
|
return 0; |
|
} |
|
|
|
|
|
static void __exit sticore_pci_remove(struct pci_dev *pd) |
|
{ |
|
BUG(); |
|
} |
|
|
|
|
|
static struct pci_device_id sti_pci_tbl[] = { |
|
{ PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_EG) }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX6) }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX4) }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FX2) }, |
|
{ PCI_DEVICE(PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_VISUALIZE_FXE) }, |
|
{ 0, } /* terminate list */ |
|
}; |
|
MODULE_DEVICE_TABLE(pci, sti_pci_tbl); |
|
|
|
static struct pci_driver pci_sti_driver = { |
|
.name = "sti", |
|
.id_table = sti_pci_tbl, |
|
.probe = sticore_pci_init, |
|
.remove = __exit_p(sticore_pci_remove), |
|
}; |
|
|
|
static struct parisc_device_id sti_pa_tbl[] = { |
|
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00077 }, |
|
{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x00085 }, |
|
{ 0, } |
|
}; |
|
MODULE_DEVICE_TABLE(parisc, sti_pa_tbl); |
|
|
|
static struct parisc_driver pa_sti_driver __refdata = { |
|
.name = "sti", |
|
.id_table = sti_pa_tbl, |
|
.probe = sticore_pa_init, |
|
}; |
|
|
|
|
|
/* |
|
* sti_init_roms() - detects all STI ROMs and stores them in sti_roms[] |
|
*/ |
|
|
|
static int sticore_initialized __read_mostly; |
|
|
|
static void sti_init_roms(void) |
|
{ |
|
if (sticore_initialized) |
|
return; |
|
|
|
sticore_initialized = 1; |
|
|
|
pr_info("STI GSC/PCI core graphics driver " |
|
STI_DRIVERVERSION "\n"); |
|
|
|
/* Register drivers for native & PCI cards */ |
|
register_parisc_driver(&pa_sti_driver); |
|
WARN_ON(pci_register_driver(&pci_sti_driver)); |
|
|
|
/* if we didn't find the given default sti, take the first one */ |
|
if (!default_sti) |
|
default_sti = sti_roms[0]; |
|
|
|
} |
|
|
|
/* |
|
* index = 0 gives default sti |
|
* index > 0 gives other stis in detection order |
|
*/ |
|
struct sti_struct * sti_get_rom(unsigned int index) |
|
{ |
|
if (!sticore_initialized) |
|
sti_init_roms(); |
|
|
|
if (index == 0) |
|
return default_sti; |
|
|
|
if (index > num_sti_roms) |
|
return NULL; |
|
|
|
return sti_roms[index-1]; |
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} |
|
EXPORT_SYMBOL(sti_get_rom); |
|
|
|
|
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int sti_call(const struct sti_struct *sti, unsigned long func, |
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const void *flags, void *inptr, void *outptr, |
|
struct sti_glob_cfg *glob_cfg) |
|
{ |
|
unsigned long _flags = STI_PTR(flags); |
|
unsigned long _inptr = STI_PTR(inptr); |
|
unsigned long _outptr = STI_PTR(outptr); |
|
unsigned long _glob_cfg = STI_PTR(glob_cfg); |
|
int ret; |
|
|
|
#ifdef CONFIG_64BIT |
|
/* Check for overflow when using 32bit STI on 64bit kernel. */ |
|
if (WARN_ONCE(_flags>>32 || _inptr>>32 || _outptr>>32 || _glob_cfg>>32, |
|
"Out of 32bit-range pointers!")) |
|
return -1; |
|
#endif |
|
|
|
ret = pdc_sti_call(func, _flags, _inptr, _outptr, _glob_cfg); |
|
|
|
return ret; |
|
} |
|
|
|
MODULE_AUTHOR("Philipp Rumpf, Helge Deller, Thomas Bogendoerfer"); |
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MODULE_DESCRIPTION("Core STI driver for HP's NGLE series graphics cards in HP PARISC machines"); |
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MODULE_LICENSE("GPL v2"); |
|
|
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