mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
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>
This commit is contained in:
Tony Lindgren
parent
da1b94e6a6
commit
ba16ec7cab
4 changed files with 0 additions and 235 deletions
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@ -39,12 +39,10 @@
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#include <asm/mach/flash.h>
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#include <asm/mach/map.h>
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#include <mach/gpioexpander.h>
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#include <mach/irqs.h>
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#include <mach/mux.h>
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#include <mach/tc.h>
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#include <mach/nand.h>
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#include <mach/irda.h>
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#include <mach/usb.h>
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#include <mach/keypad.h>
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#include <mach/dma.h>
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@ -276,104 +274,6 @@ static struct platform_device h3_kp_device = {
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.resource = h3_kp_resources,
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};
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/* Select between the IrDA and aGPS module
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*/
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static int h3_select_irda(struct device *dev, int state)
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{
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unsigned char expa;
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int err = 0;
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if ((err = read_gpio_expa(&expa, 0x26))) {
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printk(KERN_ERR "Error reading from I/O EXPANDER \n");
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return err;
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}
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/* 'P6' enable/disable IRDA_TX and IRDA_RX */
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if (state & IR_SEL) { /* IrDA */
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if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
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printk(KERN_ERR "Error writing to I/O EXPANDER \n");
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return err;
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}
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} else {
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if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
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printk(KERN_ERR "Error writing to I/O EXPANDER \n");
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return err;
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}
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}
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return err;
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}
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static void set_trans_mode(struct work_struct *work)
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{
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struct omap_irda_config *irda_config =
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container_of(work, struct omap_irda_config, gpio_expa.work);
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int mode = irda_config->mode;
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unsigned char expa;
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int err = 0;
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if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
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printk(KERN_ERR "Error reading from I/O expander\n");
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}
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expa &= ~0x03;
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if (mode & IR_SIRMODE) {
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expa |= 0x01;
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} else { /* MIR/FIR */
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expa |= 0x03;
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}
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if ((err = write_gpio_expa(expa, 0x27)) != 0) {
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printk(KERN_ERR "Error writing to I/O expander\n");
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}
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}
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static int h3_transceiver_mode(struct device *dev, int mode)
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{
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struct omap_irda_config *irda_config = dev->platform_data;
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irda_config->mode = mode;
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cancel_delayed_work(&irda_config->gpio_expa);
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PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
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schedule_delayed_work(&irda_config->gpio_expa, 0);
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return 0;
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}
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static struct omap_irda_config h3_irda_data = {
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.transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
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.transceiver_mode = h3_transceiver_mode,
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.select_irda = h3_select_irda,
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.rx_channel = OMAP_DMA_UART3_RX,
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.tx_channel = OMAP_DMA_UART3_TX,
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.dest_start = UART3_THR,
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.src_start = UART3_RHR,
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.tx_trigger = 0,
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.rx_trigger = 0,
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};
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static struct resource h3_irda_resources[] = {
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[0] = {
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.start = INT_UART3,
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.end = INT_UART3,
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.flags = IORESOURCE_IRQ,
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},
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};
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static u64 irda_dmamask = 0xffffffff;
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static struct platform_device h3_irda_device = {
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.name = "omapirda",
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.id = 0,
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.dev = {
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.platform_data = &h3_irda_data,
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.dma_mask = &irda_dmamask,
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},
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.num_resources = ARRAY_SIZE(h3_irda_resources),
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.resource = h3_irda_resources,
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};
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static struct platform_device h3_lcd_device = {
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.name = "lcd_h3",
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.id = -1,
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@ -395,7 +295,6 @@ static struct platform_device *devices[] __initdata = {
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&nand_device,
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&smc91x_device,
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&intlat_device,
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&h3_irda_device,
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&h3_kp_device,
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&h3_lcd_device,
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};
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@ -33,10 +33,8 @@
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#include <mach/control.h>
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#include <mach/gpio.h>
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#include <mach/gpioexpander.h>
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#include <mach/mux.h>
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#include <mach/usb.h>
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#include <mach/irda.h>
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#include <mach/board.h>
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#include <mach/common.h>
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#include <mach/keypad.h>
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@ -138,98 +136,6 @@ static struct platform_device h4_flash_device = {
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.resource = &h4_flash_resource,
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};
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/* Select between the IrDA and aGPS module
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*/
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static int h4_select_irda(struct device *dev, int state)
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{
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unsigned char expa;
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int err = 0;
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if ((err = read_gpio_expa(&expa, 0x21))) {
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printk(KERN_ERR "Error reading from I/O expander\n");
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return err;
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}
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/* 'P6' enable/disable IRDA_TX and IRDA_RX */
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if (state & IR_SEL) { /* IrDa */
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if ((err = write_gpio_expa(expa | 0x01, 0x21))) {
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printk(KERN_ERR "Error writing to I/O expander\n");
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return err;
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}
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} else {
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if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
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printk(KERN_ERR "Error writing to I/O expander\n");
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return err;
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}
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}
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return err;
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}
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static void set_trans_mode(struct work_struct *work)
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{
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struct omap_irda_config *irda_config =
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container_of(work, struct omap_irda_config, gpio_expa.work);
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int mode = irda_config->mode;
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unsigned char expa;
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int err = 0;
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if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
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printk(KERN_ERR "Error reading from I/O expander\n");
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}
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expa &= ~0x01;
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if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
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expa |= 0x01;
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}
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if ((err = write_gpio_expa(expa, 0x20)) != 0) {
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printk(KERN_ERR "Error writing to I/O expander\n");
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}
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}
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static int h4_transceiver_mode(struct device *dev, int mode)
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{
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struct omap_irda_config *irda_config = dev->platform_data;
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irda_config->mode = mode;
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cancel_delayed_work(&irda_config->gpio_expa);
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PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
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schedule_delayed_work(&irda_config->gpio_expa, 0);
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return 0;
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}
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static struct omap_irda_config h4_irda_data = {
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.transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
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.transceiver_mode = h4_transceiver_mode,
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.select_irda = h4_select_irda,
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.rx_channel = OMAP24XX_DMA_UART3_RX,
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.tx_channel = OMAP24XX_DMA_UART3_TX,
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.dest_start = OMAP_UART3_BASE,
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.src_start = OMAP_UART3_BASE,
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.tx_trigger = OMAP24XX_DMA_UART3_TX,
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.rx_trigger = OMAP24XX_DMA_UART3_RX,
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};
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static struct resource h4_irda_resources[] = {
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[0] = {
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.start = INT_24XX_UART3_IRQ,
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.end = INT_24XX_UART3_IRQ,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device h4_irda_device = {
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.name = "omapirda",
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.id = -1,
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.dev = {
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.platform_data = &h4_irda_data,
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},
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.num_resources = 1,
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.resource = h4_irda_resources,
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};
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static struct omap_kp_platform_data h4_kp_data = {
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.rows = 6,
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.cols = 7,
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@ -255,7 +161,6 @@ static struct platform_device h4_lcd_device = {
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static struct platform_device *h4_devices[] __initdata = {
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&h4_flash_device,
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&h4_irda_device,
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&h4_kp_device,
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&h4_lcd_device,
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};
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@ -1,35 +0,0 @@
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/*
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* arch/arm/plat-omap/include/mach/gpioexpander.h
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*
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*
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* Copyright (C) 2004 Texas Instruments, Inc.
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*
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* This package is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H
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#define __ASM_ARCH_OMAP_GPIOEXPANDER_H
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/* Function Prototypes for GPIO Expander functions */
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#ifdef CONFIG_GPIOEXPANDER_OMAP
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int read_gpio_expa(u8 *, int);
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int write_gpio_expa(u8 , int);
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#else
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static inline int read_gpio_expa(u8 *val, int addr)
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{
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return 0;
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}
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static inline int write_gpio_expa(u8 val, int addr)
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{
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return 0;
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}
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#endif
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#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */
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@ -21,10 +21,6 @@ struct omap_irda_config {
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int transceiver_cap;
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int (*transceiver_mode)(struct device *dev, int mode);
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int (*select_irda)(struct device *dev, int state);
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/* Very specific to the needs of some platforms (h3,h4)
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* having calls which can sleep in irda_set_speed.
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*/
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struct delayed_work gpio_expa;
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int rx_channel;
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int tx_channel;
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unsigned long dest_start;
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