intel_mid: Added custom device_handler support
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.kuppuswamy@linux.intel.com> Link: http://lkml.kernel.org/r/1382049336-21316-8-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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@ -396,6 +396,9 @@ struct devs_id {
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u8 type;
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u8 delay;
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void *(*get_platform_data)(void *info);
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/* Custom handler for devices */
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void (*device_handler)(struct sfi_device_table_entry *pentry,
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struct devs_id *dev);
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};
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/* the offset for the mapping of global gpio pin to irq */
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@ -690,28 +693,27 @@ static void *tc35876x_platform_data(void *data)
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}
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static const struct devs_id __initconst device_ids[] = {
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{"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data},
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{"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data},
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{"pmic_gpio", SFI_DEV_TYPE_IPC, 1, &pmic_gpio_platform_data},
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{"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data},
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{"i2c_max7315", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
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{"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
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{"tca6416", SFI_DEV_TYPE_I2C, 1, &tca6416_platform_data},
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{"emc1403", SFI_DEV_TYPE_I2C, 1, &emc1403_platform_data},
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{"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data},
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{"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data},
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{"mpu3050", SFI_DEV_TYPE_I2C, 1, &mpu3050_platform_data},
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{"i2c_disp_brig", SFI_DEV_TYPE_I2C, 0, &tc35876x_platform_data},
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{"bma023", SFI_DEV_TYPE_I2C, 1, &no_platform_data, NULL},
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{"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data, NULL},
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{"pmic_gpio", SFI_DEV_TYPE_IPC, 1, &pmic_gpio_platform_data, NULL},
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{"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data, NULL},
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{"i2c_max7315", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data, NULL},
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{"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data, NULL},
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{"tca6416", SFI_DEV_TYPE_I2C, 1, &tca6416_platform_data, NULL},
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{"emc1403", SFI_DEV_TYPE_I2C, 1, &emc1403_platform_data, NULL},
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{"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data, NULL},
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{"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data, NULL},
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{"mpu3050", SFI_DEV_TYPE_I2C, 1, &mpu3050_platform_data, NULL},
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{"i2c_disp_brig", SFI_DEV_TYPE_I2C, 0, &tc35876x_platform_data, NULL},
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/* MSIC subdevices */
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{"msic_battery", SFI_DEV_TYPE_IPC, 1, &msic_battery_platform_data},
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{"msic_gpio", SFI_DEV_TYPE_IPC, 1, &msic_gpio_platform_data},
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{"msic_audio", SFI_DEV_TYPE_IPC, 1, &msic_audio_platform_data},
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{"msic_power_btn", SFI_DEV_TYPE_IPC, 1, &msic_power_btn_platform_data},
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{"msic_ocd", SFI_DEV_TYPE_IPC, 1, &msic_ocd_platform_data},
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{"msic_thermal", SFI_DEV_TYPE_IPC, 1, &msic_thermal_platform_data},
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{},
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{"msic_battery", SFI_DEV_TYPE_IPC, 1, &msic_battery_platform_data, NULL},
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{"msic_gpio", SFI_DEV_TYPE_IPC, 1, &msic_gpio_platform_data, NULL},
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{"msic_audio", SFI_DEV_TYPE_IPC, 1, &msic_audio_platform_data, NULL},
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{"msic_power_btn", SFI_DEV_TYPE_IPC, 1, &msic_power_btn_platform_data, NULL},
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{"msic_ocd", SFI_DEV_TYPE_IPC, 1, &msic_ocd_platform_data, NULL},
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{"msic_thermal", SFI_DEV_TYPE_IPC, 1, &msic_thermal_platform_data, NULL},
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{ 0 }
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};
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#define MAX_IPCDEVS 24
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@ -965,20 +967,24 @@ static int __init sfi_parse_devs(struct sfi_table_header *table)
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if ((dev == NULL) || (dev->get_platform_data == NULL))
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continue;
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switch (pentry->type) {
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case SFI_DEV_TYPE_IPC:
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sfi_handle_ipc_dev(pentry, dev);
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break;
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case SFI_DEV_TYPE_SPI:
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sfi_handle_spi_dev(pentry, dev);
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break;
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case SFI_DEV_TYPE_I2C:
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sfi_handle_i2c_dev(pentry, dev);
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break;
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case SFI_DEV_TYPE_UART:
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case SFI_DEV_TYPE_HSI:
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default:
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;
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if (dev->device_handler) {
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dev->device_handler(pentry, dev);
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} else {
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switch (pentry->type) {
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case SFI_DEV_TYPE_IPC:
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sfi_handle_ipc_dev(pentry, dev);
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break;
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case SFI_DEV_TYPE_SPI:
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sfi_handle_spi_dev(pentry, dev);
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break;
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case SFI_DEV_TYPE_I2C:
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sfi_handle_i2c_dev(pentry, dev);
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break;
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case SFI_DEV_TYPE_UART:
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case SFI_DEV_TYPE_HSI:
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default:
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break;
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}
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}
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}
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return 0;
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