MIPS: Remove support for LASAT

[sfrench/cifs-2.6.git] / arch / mips / lasat / picvue.c

diff --git a/arch/mips/lasat/picvue.c b/arch/mips/lasat/picvue.c
deleted file mode 100644 (file)
index 08298cc..0000000
--- a/arch/mips/lasat/picvue.c
+++ /dev/null
@@ -1,242 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Picvue PVC160206 display driver
- *
- * Brian Murphy <brian@murphy.dk>
- *
- */
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <asm/bootinfo.h>
-#include <asm/lasat/lasat.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-
-#include "picvue.h"
-
-#define PVC_BUSY               0x80
-#define PVC_NLINES             2
-#define PVC_DISPMEM            80
-#define PVC_LINELEN            PVC_DISPMEM / PVC_NLINES
-
-struct pvc_defs *picvue;
-
-static void pvc_reg_write(u32 val)
-{
-       *picvue->reg = val;
-}
-
-static u32 pvc_reg_read(void)
-{
-       u32 tmp = *picvue->reg;
-       return tmp;
-}
-
-static void pvc_write_byte(u32 data, u8 byte)
-{
-       data |= picvue->e;
-       pvc_reg_write(data);
-       data &= ~picvue->data_mask;
-       data |= byte << picvue->data_shift;
-       pvc_reg_write(data);
-       ndelay(220);
-       pvc_reg_write(data & ~picvue->e);
-       ndelay(220);
-}
-
-static u8 pvc_read_byte(u32 data)
-{
-       u8 byte;
-
-       data |= picvue->e;
-       pvc_reg_write(data);
-       ndelay(220);
-       byte = (pvc_reg_read() & picvue->data_mask) >> picvue->data_shift;
-       data &= ~picvue->e;
-       pvc_reg_write(data);
-       ndelay(220);
-       return byte;
-}
-
-static u8 pvc_read_data(void)
-{
-       u32 data = pvc_reg_read();
-       u8 byte;
-       data |= picvue->rw;
-       data &= ~picvue->rs;
-       pvc_reg_write(data);
-       ndelay(40);
-       byte = pvc_read_byte(data);
-       data |= picvue->rs;
-       pvc_reg_write(data);
-       return byte;
-}
-
-#define TIMEOUT 1000
-static int pvc_wait(void)
-{
-       int i = TIMEOUT;
-       int err = 0;
-
-       while ((pvc_read_data() & PVC_BUSY) && i)
-               i--;
-       if (i == 0)
-               err = -ETIME;
-
-       return err;
-}
-
-#define MODE_INST 0
-#define MODE_DATA 1
-static void pvc_write(u8 byte, int mode)
-{
-       u32 data = pvc_reg_read();
-       data &= ~picvue->rw;
-       if (mode == MODE_DATA)
-               data |= picvue->rs;
-       else
-               data &= ~picvue->rs;
-       pvc_reg_write(data);
-       ndelay(40);
-       pvc_write_byte(data, byte);
-       if (mode == MODE_DATA)
-               data &= ~picvue->rs;
-       else
-               data |= picvue->rs;
-       pvc_reg_write(data);
-       pvc_wait();
-}
-
-void pvc_write_string(const unsigned char *str, u8 addr, int line)
-{
-       int i = 0;
-
-       if (line > 0 && (PVC_NLINES > 1))
-               addr += 0x40 * line;
-       pvc_write(0x80 | addr, MODE_INST);
-
-       while (*str != 0 && i < PVC_LINELEN) {
-               pvc_write(*str++, MODE_DATA);
-               i++;
-       }
-}
-
-void pvc_write_string_centered(const unsigned char *str, int line)
-{
-       int len = strlen(str);
-       u8 addr;
-
-       if (len > PVC_VISIBLE_CHARS)
-               addr = 0;
-       else
-               addr = (PVC_VISIBLE_CHARS - strlen(str))/2;
-
-       pvc_write_string(str, addr, line);
-}
-
-void pvc_dump_string(const unsigned char *str)
-{
-       int len = strlen(str);
-
-       pvc_write_string(str, 0, 0);
-       if (len > PVC_VISIBLE_CHARS)
-               pvc_write_string(&str[PVC_VISIBLE_CHARS], 0, 1);
-}
-
-#define BM_SIZE                        8
-#define MAX_PROGRAMMABLE_CHARS 8
-int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE])
-{
-       int i;
-       int addr;
-
-       if (charnum > MAX_PROGRAMMABLE_CHARS)
-               return -ENOENT;
-
-       addr = charnum * 8;
-       pvc_write(0x40 | addr, MODE_INST);
-
-       for (i = 0; i < BM_SIZE; i++)
-               pvc_write(bitmap[i], MODE_DATA);
-       return 0;
-}
-
-#define FUNC_SET_CMD   0x20
-#define         EIGHT_BYTE     (1 << 4)
-#define         FOUR_BYTE      0
-#define         TWO_LINES      (1 << 3)
-#define         ONE_LINE       0
-#define         LARGE_FONT     (1 << 2)
-#define         SMALL_FONT     0
-
-static void pvc_funcset(u8 cmd)
-{
-       pvc_write(FUNC_SET_CMD | (cmd & (EIGHT_BYTE|TWO_LINES|LARGE_FONT)),
-                 MODE_INST);
-}
-
-#define ENTRYMODE_CMD          0x4
-#define         AUTO_INC               (1 << 1)
-#define         AUTO_DEC               0
-#define         CURSOR_FOLLOWS_DISP    (1 << 0)
-
-static void pvc_entrymode(u8 cmd)
-{
-       pvc_write(ENTRYMODE_CMD | (cmd & (AUTO_INC|CURSOR_FOLLOWS_DISP)),
-                 MODE_INST);
-}
-
-#define DISP_CNT_CMD   0x08
-#define         DISP_OFF       0
-#define         DISP_ON        (1 << 2)
-#define         CUR_ON         (1 << 1)
-#define         CUR_BLINK      (1 << 0)
-void pvc_dispcnt(u8 cmd)
-{
-       pvc_write(DISP_CNT_CMD | (cmd & (DISP_ON|CUR_ON|CUR_BLINK)), MODE_INST);
-}
-
-#define MOVE_CMD       0x10
-#define         DISPLAY        (1 << 3)
-#define         CURSOR         0
-#define         RIGHT          (1 << 2)
-#define         LEFT           0
-void pvc_move(u8 cmd)
-{
-       pvc_write(MOVE_CMD | (cmd & (DISPLAY|RIGHT)), MODE_INST);
-}
-
-#define CLEAR_CMD      0x1
-void pvc_clear(void)
-{
-       pvc_write(CLEAR_CMD, MODE_INST);
-}
-
-#define HOME_CMD       0x2
-void pvc_home(void)
-{
-       pvc_write(HOME_CMD, MODE_INST);
-}
-
-int pvc_init(void)
-{
-       u8 cmd = EIGHT_BYTE;
-
-       if (PVC_NLINES == 2)
-               cmd |= (SMALL_FONT|TWO_LINES);
-       else
-               cmd |= (LARGE_FONT|ONE_LINE);
-       pvc_funcset(cmd);
-       pvc_dispcnt(DISP_ON);
-       pvc_entrymode(AUTO_INC);
-
-       pvc_clear();
-       pvc_write_string_centered("Display", 0);
-       pvc_write_string_centered("Initialized", 1);
-
-       return 0;
-}
-
-module_init(pvc_init);
-MODULE_LICENSE("GPL");