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Qualcomm ARM Based SoC Updates for 4.3

Browse source 
* Add SMEM driver
 * Add SMD driver
 * Add RPM over SMD driver
 * Select QCOM_SCM by default
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Merge tag 'qcom-soc-for-4.3' into v4.2-rc2

Qualcomm ARM Based SoC Updates for 4.3

* Add SMEM driver
* Add SMD driver
* Add RPM over SMD driver
* Select QCOM_SCM by default
This commit is contained in:
Andy Gross 2015-09-09 15:56:35 -05:00
commit 61e19ba99e
10 changed files with 2660 additions and 0 deletions
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35
include/linux/soc/qcom/smd-rpm.h Normal file
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#ifndef __QCOM_SMD_RPM_H__
#define __QCOM_SMD_RPM_H__
struct qcom_smd_rpm;
#define QCOM_SMD_RPM_ACTIVE_STATE 0
#define QCOM_SMD_RPM_SLEEP_STATE 1
/*
* Constants used for addressing resources in the RPM.
*/
#define QCOM_SMD_RPM_BOOST 0x61747362
#define QCOM_SMD_RPM_BUS_CLK 0x316b6c63
#define QCOM_SMD_RPM_BUS_MASTER 0x73616d62
#define QCOM_SMD_RPM_BUS_SLAVE 0x766c7362
#define QCOM_SMD_RPM_CLK_BUF_A 0x616B6C63
#define QCOM_SMD_RPM_LDOA 0x616f646c
#define QCOM_SMD_RPM_LDOB 0x626F646C
#define QCOM_SMD_RPM_MEM_CLK 0x326b6c63
#define QCOM_SMD_RPM_MISC_CLK 0x306b6c63
#define QCOM_SMD_RPM_NCPA 0x6170636E
#define QCOM_SMD_RPM_NCPB 0x6270636E
#define QCOM_SMD_RPM_OCMEM_PWR 0x706d636f
#define QCOM_SMD_RPM_QPIC_CLK 0x63697071
#define QCOM_SMD_RPM_SMPA 0x61706d73
#define QCOM_SMD_RPM_SMPB 0x62706d73
#define QCOM_SMD_RPM_SPDM 0x63707362
#define QCOM_SMD_RPM_VSA 0x00617376
int qcom_rpm_smd_write(struct qcom_smd_rpm *rpm,
int state,
u32 resource_type, u32 resource_id,
void *buf, size_t count);
#endif

46
include/linux/soc/qcom/smd.h Normal file
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#ifndef __QCOM_SMD_H__
#define __QCOM_SMD_H__
#include <linux/device.h>
#include <linux/mod_devicetable.h>
struct qcom_smd;
struct qcom_smd_channel;
struct qcom_smd_lookup;
/**
* struct qcom_smd_device - smd device struct
* @dev: the device struct
* @channel: handle to the smd channel for this device
*/
struct qcom_smd_device {
struct device dev;
struct qcom_smd_channel *channel;
};
/**
* struct qcom_smd_driver - smd driver struct
* @driver: underlying device driver
* @probe: invoked when the smd channel is found
* @remove: invoked when the smd channel is closed
* @callback: invoked when an inbound message is received on the channel,
* should return 0 on success or -EBUSY if the data cannot be
* consumed at this time
*/
struct qcom_smd_driver {
struct device_driver driver;
int (*probe)(struct qcom_smd_device *dev);
void (*remove)(struct qcom_smd_device *dev);
int (*callback)(struct qcom_smd_device *, const void *, size_t);
};
int qcom_smd_driver_register(struct qcom_smd_driver *drv);
void qcom_smd_driver_unregister(struct qcom_smd_driver *drv);
#define module_qcom_smd_driver(__smd_driver) \
module_driver(__smd_driver, qcom_smd_driver_register, \
qcom_smd_driver_unregister)
int qcom_smd_send(struct qcom_smd_channel *channel, const void *data, int len);
#endif

11
include/linux/soc/qcom/smem.h Normal file
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#ifndef __QCOM_SMEM_H__
#define __QCOM_SMEM_H__
#define QCOM_SMEM_HOST_ANY -1
int qcom_smem_alloc(unsigned host, unsigned item, size_t size);
int qcom_smem_get(unsigned host, unsigned item, void **ptr, size_t *size);
int qcom_smem_get_free_space(unsigned host);
#endif