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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/arm/mach-omap1
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/arm/mach-omap1')
-rw-r--r--arch/arm/mach-omap1/board-h3.c101
1 files changed, 0 insertions, 101 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};