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path: root/drivers/staging/fbtft/fb_ra8875.c
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Diffstat (limited to 'drivers/staging/fbtft/fb_ra8875.c')
-rw-r--r--drivers/staging/fbtft/fb_ra8875.c40
1 files changed, 11 insertions, 29 deletions
diff --git a/drivers/staging/fbtft/fb_ra8875.c b/drivers/staging/fbtft/fb_ra8875.c
index 54bc566b09fd..b167c5061631 100644
--- a/drivers/staging/fbtft/fb_ra8875.c
+++ b/drivers/staging/fbtft/fb_ra8875.c
@@ -1,19 +1,7 @@
-/******************************************************************************
-
- ProjectName: FBTFT driver ***** *****
- for the RA8875 LCD Controller * * ************
- * ** ** * *
- Copyright © by Pf@nne & NOTRO * * * * * **** *
- * * * * * * *
- Last modification by: * * * * **** *
- - Pf@nne (pf@nne-mail.de) * * ***** *
- * * * *******
- ***** * *
- Date : 10.06.2014 * *
- Version : V1.13 *****
- Revision : 5
-
-*******************************************************************************
+/*
+ * FBTFT driver for the RA8875 LCD Controller
+ * Copyright by Pf@nne & NOTRO
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
@@ -23,10 +11,6 @@
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
@@ -197,18 +181,15 @@ static int init_display(struct fbtft_par *par)
static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye)
{
- fbtft_par_dbg(DEBUG_SET_ADDR_WIN, par,
- "%s(xs=%d, ys=%d, xe=%d, ye=%d)\n", __func__, xs, ys, xe, ye);
-
/* Set_Active_Window */
write_reg(par, 0x30, xs & 0x00FF);
write_reg(par, 0x31, (xs & 0xFF00) >> 8);
write_reg(par, 0x32, ys & 0x00FF);
write_reg(par, 0x33, (ys & 0xFF00) >> 8);
- write_reg(par, 0x34, (xs+xe) & 0x00FF);
- write_reg(par, 0x35, ((xs+xe) & 0xFF00) >> 8);
- write_reg(par, 0x36, (ys+ye) & 0x00FF);
- write_reg(par, 0x37, ((ys+ye) & 0xFF00) >> 8);
+ write_reg(par, 0x34, (xs + xe) & 0x00FF);
+ write_reg(par, 0x35, ((xs + xe) & 0xFF00) >> 8);
+ write_reg(par, 0x36, (ys + ye) & 0x00FF);
+ write_reg(par, 0x37, ((ys + ye) & 0xFF00) >> 8);
/* Set_Memory_Write_Cursor */
write_reg(par, 0x46, xs & 0xff);
@@ -223,7 +204,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
{
va_list args;
int i, ret;
- u8 *buf = (u8 *)par->buf;
+ u8 *buf = par->buf;
/* slow down spi-speed for writing registers */
par->fbtftops.write = write_spi;
@@ -288,7 +269,7 @@ static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
__func__, offset, len);
remain = len / 2;
- vmem16 = (u16 *)(par->info->screen_base + offset);
+ vmem16 = (u16 *)(par->info->screen_buffer + offset);
tx_array_size = par->txbuf.len / 2;
txbuf16 = (u16 *)(par->txbuf.buf + 1);
tx_array_size -= 2;
@@ -324,6 +305,7 @@ static struct fbtft_display display = {
.write = write_spi,
},
};
+
FBTFT_REGISTER_DRIVER(DRVNAME, "raio,ra8875", &display);
MODULE_ALIAS("spi:" DRVNAME);