[PATCH v5 07/12] intel_mid: Added custom device_handler support

2013-10-15 Thread David Cohen
From: Kuppuswamy Sathyanarayanan 

This patch provides a means to add custom handler for
SFI devices. If you set device_handler as NULL in
device_id table standard SFI device handler will be used.
If its not NULL custom handler will be called.

Signed-off-by: Kuppuswamy Sathyanarayanan 

Signed-off-by: David Cohen 
---
 arch/x86/platform/intel-mid/intel-mid.c | 74 ++---
 1 file changed, 40 insertions(+), 34 deletions(-)

diff --git a/arch/x86/platform/intel-mid/intel-mid.c 
b/arch/x86/platform/intel-mid/intel-mid.c
index f9c4be8..7bfd784 100644
--- a/arch/x86/platform/intel-mid/intel-mid.c
+++ b/arch/x86/platform/intel-mid/intel-mid.c
@@ -396,6 +396,9 @@ struct devs_id {
u8 type;
u8 delay;
void *(*get_platform_data)(void *info);
+   /* Custom handler for devices */
+   void (*device_handler)(struct sfi_device_table_entry *pentry,
+   struct devs_id *dev);
 };
 
 /* the offset for the mapping of global gpio pin to irq */
@@ -690,28 +693,27 @@ static void *tc35876x_platform_data(void *data)
 }
 
 static const struct devs_id __initconst device_ids[] = {
-   {"bma023", SFI_DEV_TYPE_I2C, 1, _platform_data},
-   {"pmic_gpio", SFI_DEV_TYPE_SPI, 1, _gpio_platform_data},
-   {"pmic_gpio", SFI_DEV_TYPE_IPC, 1, _gpio_platform_data},
-   {"spi_max3111", SFI_DEV_TYPE_SPI, 0, _platform_data},
-   {"i2c_max7315", SFI_DEV_TYPE_I2C, 1, _platform_data},
-   {"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, _platform_data},
-   {"tca6416", SFI_DEV_TYPE_I2C, 1, _platform_data},
-   {"emc1403", SFI_DEV_TYPE_I2C, 1, _platform_data},
-   {"i2c_accel", SFI_DEV_TYPE_I2C, 0, _platform_data},
-   {"pmic_audio", SFI_DEV_TYPE_IPC, 1, _platform_data},
-   {"mpu3050", SFI_DEV_TYPE_I2C, 1, _platform_data},
-   {"i2c_disp_brig", SFI_DEV_TYPE_I2C, 0, _platform_data},
+   {"bma023", SFI_DEV_TYPE_I2C, 1, _platform_data, NULL},
+   {"pmic_gpio", SFI_DEV_TYPE_SPI, 1, _gpio_platform_data, NULL},
+   {"pmic_gpio", SFI_DEV_TYPE_IPC, 1, _gpio_platform_data, NULL},
+   {"spi_max3111", SFI_DEV_TYPE_SPI, 0, _platform_data, NULL},
+   {"i2c_max7315", SFI_DEV_TYPE_I2C, 1, _platform_data, NULL},
+   {"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, _platform_data, NULL},
+   {"tca6416", SFI_DEV_TYPE_I2C, 1, _platform_data, NULL},
+   {"emc1403", SFI_DEV_TYPE_I2C, 1, _platform_data, NULL},
+   {"i2c_accel", SFI_DEV_TYPE_I2C, 0, _platform_data, NULL},
+   {"pmic_audio", SFI_DEV_TYPE_IPC, 1, _platform_data, NULL},
+   {"mpu3050", SFI_DEV_TYPE_I2C, 1, _platform_data, NULL},
+   {"i2c_disp_brig", SFI_DEV_TYPE_I2C, 0, _platform_data, NULL},
 
/* MSIC subdevices */
-   {"msic_battery", SFI_DEV_TYPE_IPC, 1, _battery_platform_data},
-   {"msic_gpio", SFI_DEV_TYPE_IPC, 1, _gpio_platform_data},
-   {"msic_audio", SFI_DEV_TYPE_IPC, 1, _audio_platform_data},
-   {"msic_power_btn", SFI_DEV_TYPE_IPC, 1, _power_btn_platform_data},
-   {"msic_ocd", SFI_DEV_TYPE_IPC, 1, _ocd_platform_data},
-   {"msic_thermal", SFI_DEV_TYPE_IPC, 1, _thermal_platform_data},
-
-   {},
+   {"msic_battery", SFI_DEV_TYPE_IPC, 1, _battery_platform_data, 
NULL},
+   {"msic_gpio", SFI_DEV_TYPE_IPC, 1, _gpio_platform_data, NULL},
+   {"msic_audio", SFI_DEV_TYPE_IPC, 1, _audio_platform_data, NULL},
+   {"msic_power_btn", SFI_DEV_TYPE_IPC, 1, _power_btn_platform_data, 
NULL},
+   {"msic_ocd", SFI_DEV_TYPE_IPC, 1, _ocd_platform_data, NULL},
+   {"msic_thermal", SFI_DEV_TYPE_IPC, 1, _thermal_platform_data, 
NULL},
+   { 0 }
 };
 
 #define MAX_IPCDEVS24
@@ -965,20 +967,24 @@ static int __init sfi_parse_devs(struct sfi_table_header 
*table)
if ((dev == NULL) || (dev->get_platform_data == NULL))
continue;
 
-   switch (pentry->type) {
-   case SFI_DEV_TYPE_IPC:
-   sfi_handle_ipc_dev(pentry, dev);
-   break;
-   case SFI_DEV_TYPE_SPI:
-   sfi_handle_spi_dev(pentry, dev);
-   break;
-   case SFI_DEV_TYPE_I2C:
-   sfi_handle_i2c_dev(pentry, dev);
-   break;
-   case SFI_DEV_TYPE_UART:
-   case SFI_DEV_TYPE_HSI:
-   default:
-   break;
+   if (dev->device_handler) {
+   dev->device_handler(pentry, dev);
+   } else {
+   switch (pentry->type) {
+   case SFI_DEV_TYPE_IPC:
+   sfi_handle_ipc_dev(pentry, dev);
+   break;
+   case SFI_DEV_TYPE_SPI:
+   sfi_handle_spi_dev(pentry, dev);
+   break;
+   case SFI_DEV_TYPE_I2C:
+   sfi_handle_i2c_dev(pentry, dev);
+

[PATCH v5 07/12] intel_mid: Added custom device_handler support

2013-10-15 Thread David Cohen
From: Kuppuswamy Sathyanarayanan sathyanarayanan.kuppusw...@linux.intel.com

This patch provides a means to add custom handler for
SFI devices. If you set device_handler as NULL in
device_id table standard SFI device handler will be used.
If its not NULL custom handler will be called.

Signed-off-by: Kuppuswamy Sathyanarayanan 
sathyanarayanan.kuppusw...@linux.intel.com
Signed-off-by: David Cohen david.a.co...@linux.intel.com
---
 arch/x86/platform/intel-mid/intel-mid.c | 74 ++---
 1 file changed, 40 insertions(+), 34 deletions(-)

diff --git a/arch/x86/platform/intel-mid/intel-mid.c 
b/arch/x86/platform/intel-mid/intel-mid.c
index f9c4be8..7bfd784 100644
--- a/arch/x86/platform/intel-mid/intel-mid.c
+++ b/arch/x86/platform/intel-mid/intel-mid.c
@@ -396,6 +396,9 @@ struct devs_id {
u8 type;
u8 delay;
void *(*get_platform_data)(void *info);
+   /* Custom handler for devices */
+   void (*device_handler)(struct sfi_device_table_entry *pentry,
+   struct devs_id *dev);
 };
 
 /* the offset for the mapping of global gpio pin to irq */
@@ -690,28 +693,27 @@ static void *tc35876x_platform_data(void *data)
 }
 
 static const struct devs_id __initconst device_ids[] = {
-   {bma023, SFI_DEV_TYPE_I2C, 1, no_platform_data},
-   {pmic_gpio, SFI_DEV_TYPE_SPI, 1, pmic_gpio_platform_data},
-   {pmic_gpio, SFI_DEV_TYPE_IPC, 1, pmic_gpio_platform_data},
-   {spi_max3111, SFI_DEV_TYPE_SPI, 0, max3111_platform_data},
-   {i2c_max7315, SFI_DEV_TYPE_I2C, 1, max7315_platform_data},
-   {i2c_max7315_2, SFI_DEV_TYPE_I2C, 1, max7315_platform_data},
-   {tca6416, SFI_DEV_TYPE_I2C, 1, tca6416_platform_data},
-   {emc1403, SFI_DEV_TYPE_I2C, 1, emc1403_platform_data},
-   {i2c_accel, SFI_DEV_TYPE_I2C, 0, lis331dl_platform_data},
-   {pmic_audio, SFI_DEV_TYPE_IPC, 1, no_platform_data},
-   {mpu3050, SFI_DEV_TYPE_I2C, 1, mpu3050_platform_data},
-   {i2c_disp_brig, SFI_DEV_TYPE_I2C, 0, tc35876x_platform_data},
+   {bma023, SFI_DEV_TYPE_I2C, 1, no_platform_data, NULL},
+   {pmic_gpio, SFI_DEV_TYPE_SPI, 1, pmic_gpio_platform_data, NULL},
+   {pmic_gpio, SFI_DEV_TYPE_IPC, 1, pmic_gpio_platform_data, NULL},
+   {spi_max3111, SFI_DEV_TYPE_SPI, 0, max3111_platform_data, NULL},
+   {i2c_max7315, SFI_DEV_TYPE_I2C, 1, max7315_platform_data, NULL},
+   {i2c_max7315_2, SFI_DEV_TYPE_I2C, 1, max7315_platform_data, NULL},
+   {tca6416, SFI_DEV_TYPE_I2C, 1, tca6416_platform_data, NULL},
+   {emc1403, SFI_DEV_TYPE_I2C, 1, emc1403_platform_data, NULL},
+   {i2c_accel, SFI_DEV_TYPE_I2C, 0, lis331dl_platform_data, NULL},
+   {pmic_audio, SFI_DEV_TYPE_IPC, 1, no_platform_data, NULL},
+   {mpu3050, SFI_DEV_TYPE_I2C, 1, mpu3050_platform_data, NULL},
+   {i2c_disp_brig, SFI_DEV_TYPE_I2C, 0, tc35876x_platform_data, NULL},
 
/* MSIC subdevices */
-   {msic_battery, SFI_DEV_TYPE_IPC, 1, msic_battery_platform_data},
-   {msic_gpio, SFI_DEV_TYPE_IPC, 1, msic_gpio_platform_data},
-   {msic_audio, SFI_DEV_TYPE_IPC, 1, msic_audio_platform_data},
-   {msic_power_btn, SFI_DEV_TYPE_IPC, 1, msic_power_btn_platform_data},
-   {msic_ocd, SFI_DEV_TYPE_IPC, 1, msic_ocd_platform_data},
-   {msic_thermal, SFI_DEV_TYPE_IPC, 1, msic_thermal_platform_data},
-
-   {},
+   {msic_battery, SFI_DEV_TYPE_IPC, 1, msic_battery_platform_data, 
NULL},
+   {msic_gpio, SFI_DEV_TYPE_IPC, 1, msic_gpio_platform_data, NULL},
+   {msic_audio, SFI_DEV_TYPE_IPC, 1, msic_audio_platform_data, NULL},
+   {msic_power_btn, SFI_DEV_TYPE_IPC, 1, msic_power_btn_platform_data, 
NULL},
+   {msic_ocd, SFI_DEV_TYPE_IPC, 1, msic_ocd_platform_data, NULL},
+   {msic_thermal, SFI_DEV_TYPE_IPC, 1, msic_thermal_platform_data, 
NULL},
+   { 0 }
 };
 
 #define MAX_IPCDEVS24
@@ -965,20 +967,24 @@ static int __init sfi_parse_devs(struct sfi_table_header 
*table)
if ((dev == NULL) || (dev-get_platform_data == NULL))
continue;
 
-   switch (pentry-type) {
-   case SFI_DEV_TYPE_IPC:
-   sfi_handle_ipc_dev(pentry, dev);
-   break;
-   case SFI_DEV_TYPE_SPI:
-   sfi_handle_spi_dev(pentry, dev);
-   break;
-   case SFI_DEV_TYPE_I2C:
-   sfi_handle_i2c_dev(pentry, dev);
-   break;
-   case SFI_DEV_TYPE_UART:
-   case SFI_DEV_TYPE_HSI:
-   default:
-   break;
+   if (dev-device_handler) {
+   dev-device_handler(pentry, dev);
+   } else {
+   switch (pentry-type) {
+   case SFI_DEV_TYPE_IPC:
+   sfi_handle_ipc_dev(pentry, dev);
+   break;
+   case SFI_DEV_TYPE_SPI: