| /* |
| * ALSA SoC - Samsung VTS driver |
| * |
| * Copyright (c) 2016 Samsung Electronics Co. Ltd. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __VTS_H |
| #define __VTS_H |
| |
| #include <linux/platform_device.h> |
| |
| #ifdef CONFIG_SND_SOC_SAMSUNG_VTS |
| /** |
| * Acquire SRAM in VTS |
| * @param[in] pdev pointer to struct platform_device of a VTS device |
| * @param[in] vts 1, if requester is vts. 0 for others. |
| * @return error code if any |
| */ |
| extern int vts_acquire_sram(struct platform_device *pdev, int vts); |
| |
| /** |
| * Release SRAM in VTS |
| * @param[in] pdev pointer to struct platform_device of a VTS device |
| * @param[in] vts 1, if requester is vts. 0 for others. |
| * @return error code if any |
| */ |
| extern int vts_release_sram(struct platform_device *pdev, int vts); |
| |
| /** |
| * Clear SRAM in VTS |
| * @param[in] pdev pointer to struct platform_device of a VTS device |
| * @return error code if any |
| */ |
| extern int vts_clear_sram(struct platform_device *pdev); |
| |
| /** |
| * Check VTS is on |
| * @return true if VTS is on, false on otherwise |
| */ |
| extern volatile bool vts_is_on(void); |
| #else /* !CONFIG_SND_SOC_SAMSUNG_VTS */ |
| static inline int vts_acquire_sram(struct platform_device *pdev, int vts) |
| { return -ENODEV; } |
| static inline int vts_release_sram(struct platform_device *pdev, int vts) |
| { return -ENODEV; } |
| static inline int vts_clear_sram(struct platform_device *pdev) { return -ENODEV; } |
| static inline bool vts_is_on(void) { return false; } |
| #endif /* !CONFIG_SND_SOC_SAMSUNG_VTS */ |
| |
| #endif /* __VTS_H */ |