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authorTony Lindgren <tony@atomide.com>2009-04-23 14:10:40 -0400
committerTony Lindgren <tony@atomide.com>2009-04-23 14:10:40 -0400
commitba16ec7cabb3f1aa7bbcb7b9982c4402a2e8ec02 (patch)
treeb7b083aaa98df9b746b1a9731d73a5dfaee47ade /arch
parentda1b94e6a68e1bdeb9cdda016cceb17228b37d25 (diff)
ARM: OMAP: Remove old dead gpio expander code
This should be done with GPIO calls. Patches against the mainline tree welcome to add the necessary working functionality back. Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap1/board-h3.c101
-rw-r--r--arch/arm/mach-omap2/board-h4.c95
-rw-r--r--arch/arm/plat-omap/include/mach/gpioexpander.h35
-rw-r--r--arch/arm/plat-omap/include/mach/irda.h4
4 files changed, 0 insertions, 235 deletions
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index 4695965114c4..f597968733b4 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -39,12 +39,10 @@
39#include <asm/mach/flash.h> 39#include <asm/mach/flash.h>
40#include <asm/mach/map.h> 40#include <asm/mach/map.h>
41 41
42#include <mach/gpioexpander.h>
43#include <mach/irqs.h> 42#include <mach/irqs.h>
44#include <mach/mux.h> 43#include <mach/mux.h>
45#include <mach/tc.h> 44#include <mach/tc.h>
46#include <mach/nand.h> 45#include <mach/nand.h>
47#include <mach/irda.h>
48#include <mach/usb.h> 46#include <mach/usb.h>
49#include <mach/keypad.h> 47#include <mach/keypad.h>
50#include <mach/dma.h> 48#include <mach/dma.h>
@@ -276,104 +274,6 @@ static struct platform_device h3_kp_device = {
276 .resource = h3_kp_resources, 274 .resource = h3_kp_resources,
277}; 275};
278 276
279
280/* Select between the IrDA and aGPS module
281 */
282static int h3_select_irda(struct device *dev, int state)
283{
284 unsigned char expa;
285 int err = 0;
286
287 if ((err = read_gpio_expa(&expa, 0x26))) {
288 printk(KERN_ERR "Error reading from I/O EXPANDER \n");
289 return err;
290 }
291
292 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
293 if (state & IR_SEL) { /* IrDA */
294 if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
295 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
296 return err;
297 }
298 } else {
299 if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
300 printk(KERN_ERR "Error writing to I/O EXPANDER \n");
301 return err;
302 }
303 }
304 return err;
305}
306
307static void set_trans_mode(struct work_struct *work)
308{
309 struct omap_irda_config *irda_config =
310 container_of(work, struct omap_irda_config, gpio_expa.work);
311 int mode = irda_config->mode;
312 unsigned char expa;
313 int err = 0;
314
315 if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
316 printk(KERN_ERR "Error reading from I/O expander\n");
317 }
318
319 expa &= ~0x03;
320
321 if (mode & IR_SIRMODE) {
322 expa |= 0x01;
323 } else { /* MIR/FIR */
324 expa |= 0x03;
325 }
326
327 if ((err = write_gpio_expa(expa, 0x27)) != 0) {
328 printk(KERN_ERR "Error writing to I/O expander\n");
329 }
330}
331
332static int h3_transceiver_mode(struct device *dev, int mode)
333{
334 struct omap_irda_config *irda_config = dev->platform_data;
335
336 irda_config->mode = mode;
337 cancel_delayed_work(&irda_config->gpio_expa);
338 PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
339 schedule_delayed_work(&irda_config->gpio_expa, 0);
340
341 return 0;
342}
343
344static struct omap_irda_config h3_irda_data = {
345 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
346 .transceiver_mode = h3_transceiver_mode,
347 .select_irda = h3_select_irda,
348 .rx_channel = OMAP_DMA_UART3_RX,
349 .tx_channel = OMAP_DMA_UART3_TX,
350 .dest_start = UART3_THR,
351 .src_start = UART3_RHR,
352 .tx_trigger = 0,
353 .rx_trigger = 0,
354};
355
356static struct resource h3_irda_resources[] = {
357 [0] = {
358 .start = INT_UART3,
359 .end = INT_UART3,
360 .flags = IORESOURCE_IRQ,
361 },
362};
363
364static u64 irda_dmamask = 0xffffffff;
365
366static struct platform_device h3_irda_device = {
367 .name = "omapirda",
368 .id = 0,
369 .dev = {
370 .platform_data = &h3_irda_data,
371 .dma_mask = &irda_dmamask,
372 },
373 .num_resources = ARRAY_SIZE(h3_irda_resources),
374 .resource = h3_irda_resources,
375};
376
377static struct platform_device h3_lcd_device = { 277static struct platform_device h3_lcd_device = {
378 .name = "lcd_h3", 278 .name = "lcd_h3",
379 .id = -1, 279 .id = -1,
@@ -395,7 +295,6 @@ static struct platform_device *devices[] __initdata = {
395 &nand_device, 295 &nand_device,
396 &smc91x_device, 296 &smc91x_device,
397 &intlat_device, 297 &intlat_device,
398 &h3_irda_device,
399 &h3_kp_device, 298 &h3_kp_device,
400 &h3_lcd_device, 299 &h3_lcd_device,
401}; 300};
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index a0267a9ab466..e7d017cdc438 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -33,10 +33,8 @@
33 33
34#include <mach/control.h> 34#include <mach/control.h>
35#include <mach/gpio.h> 35#include <mach/gpio.h>
36#include <mach/gpioexpander.h>
37#include <mach/mux.h> 36#include <mach/mux.h>
38#include <mach/usb.h> 37#include <mach/usb.h>
39#include <mach/irda.h>
40#include <mach/board.h> 38#include <mach/board.h>
41#include <mach/common.h> 39#include <mach/common.h>
42#include <mach/keypad.h> 40#include <mach/keypad.h>
@@ -138,98 +136,6 @@ static struct platform_device h4_flash_device = {
138 .resource = &h4_flash_resource, 136 .resource = &h4_flash_resource,
139}; 137};
140 138
141/* Select between the IrDA and aGPS module
142 */
143static int h4_select_irda(struct device *dev, int state)
144{
145 unsigned char expa;
146 int err = 0;
147
148 if ((err = read_gpio_expa(&expa, 0x21))) {
149 printk(KERN_ERR "Error reading from I/O expander\n");
150 return err;
151 }
152
153 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
154 if (state & IR_SEL) { /* IrDa */
155 if ((err = write_gpio_expa(expa | 0x01, 0x21))) {
156 printk(KERN_ERR "Error writing to I/O expander\n");
157 return err;
158 }
159 } else {
160 if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
161 printk(KERN_ERR "Error writing to I/O expander\n");
162 return err;
163 }
164 }
165 return err;
166}
167
168static void set_trans_mode(struct work_struct *work)
169{
170 struct omap_irda_config *irda_config =
171 container_of(work, struct omap_irda_config, gpio_expa.work);
172 int mode = irda_config->mode;
173 unsigned char expa;
174 int err = 0;
175
176 if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
177 printk(KERN_ERR "Error reading from I/O expander\n");
178 }
179
180 expa &= ~0x01;
181
182 if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
183 expa |= 0x01;
184 }
185
186 if ((err = write_gpio_expa(expa, 0x20)) != 0) {
187 printk(KERN_ERR "Error writing to I/O expander\n");
188 }
189}
190
191static int h4_transceiver_mode(struct device *dev, int mode)
192{
193 struct omap_irda_config *irda_config = dev->platform_data;
194
195 irda_config->mode = mode;
196 cancel_delayed_work(&irda_config->gpio_expa);
197 PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
198 schedule_delayed_work(&irda_config->gpio_expa, 0);
199
200 return 0;
201}
202
203static struct omap_irda_config h4_irda_data = {
204 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
205 .transceiver_mode = h4_transceiver_mode,
206 .select_irda = h4_select_irda,
207 .rx_channel = OMAP24XX_DMA_UART3_RX,
208 .tx_channel = OMAP24XX_DMA_UART3_TX,
209 .dest_start = OMAP_UART3_BASE,
210 .src_start = OMAP_UART3_BASE,
211 .tx_trigger = OMAP24XX_DMA_UART3_TX,
212 .rx_trigger = OMAP24XX_DMA_UART3_RX,
213};
214
215static struct resource h4_irda_resources[] = {
216 [0] = {
217 .start = INT_24XX_UART3_IRQ,
218 .end = INT_24XX_UART3_IRQ,
219 .flags = IORESOURCE_IRQ,
220 },
221};
222
223static struct platform_device h4_irda_device = {
224 .name = "omapirda",
225 .id = -1,
226 .dev = {
227 .platform_data = &h4_irda_data,
228 },
229 .num_resources = 1,
230 .resource = h4_irda_resources,
231};
232
233static struct omap_kp_platform_data h4_kp_data = { 139static struct omap_kp_platform_data h4_kp_data = {
234 .rows = 6, 140 .rows = 6,
235 .cols = 7, 141 .cols = 7,
@@ -255,7 +161,6 @@ static struct platform_device h4_lcd_device = {
255 161
256static struct platform_device *h4_devices[] __initdata = { 162static struct platform_device *h4_devices[] __initdata = {
257 &h4_flash_device, 163 &h4_flash_device,
258 &h4_irda_device,
259 &h4_kp_device, 164 &h4_kp_device,
260 &h4_lcd_device, 165 &h4_lcd_device,
261}; 166};
diff --git a/arch/arm/plat-omap/include/mach/gpioexpander.h b/arch/arm/plat-omap/include/mach/gpioexpander.h
deleted file mode 100644
index 90444a0d6b1a..000000000000
--- a/arch/arm/plat-omap/include/mach/gpioexpander.h
+++ /dev/null
@@ -1,35 +0,0 @@
1/*
2 * arch/arm/plat-omap/include/mach/gpioexpander.h
3 *
4 *
5 * Copyright (C) 2004 Texas Instruments, Inc.
6 *
7 * This package is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
12 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
13 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
14 */
15
16#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H
17#define __ASM_ARCH_OMAP_GPIOEXPANDER_H
18
19/* Function Prototypes for GPIO Expander functions */
20
21#ifdef CONFIG_GPIOEXPANDER_OMAP
22int read_gpio_expa(u8 *, int);
23int write_gpio_expa(u8 , int);
24#else
25static inline int read_gpio_expa(u8 *val, int addr)
26{
27 return 0;
28}
29static inline int write_gpio_expa(u8 val, int addr)
30{
31 return 0;
32}
33#endif
34
35#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */
diff --git a/arch/arm/plat-omap/include/mach/irda.h b/arch/arm/plat-omap/include/mach/irda.h
index 8372a00d8e0b..40f60339d1c6 100644
--- a/arch/arm/plat-omap/include/mach/irda.h
+++ b/arch/arm/plat-omap/include/mach/irda.h
@@ -21,10 +21,6 @@ struct omap_irda_config {
21 int transceiver_cap; 21 int transceiver_cap;
22 int (*transceiver_mode)(struct device *dev, int mode); 22 int (*transceiver_mode)(struct device *dev, int mode);
23 int (*select_irda)(struct device *dev, int state); 23 int (*select_irda)(struct device *dev, int state);
24 /* Very specific to the needs of some platforms (h3,h4)
25 * having calls which can sleep in irda_set_speed.
26 */
27 struct delayed_work gpio_expa;
28 int rx_channel; 24 int rx_channel;
29 int tx_channel; 25 int tx_channel;
30 unsigned long dest_start; 26 unsigned long dest_start;