}
};
-static struct regulator *hwacc_regulator[NUM_HW_ACC];
-static struct regulator *hwacc_ret_regulator[NUM_HW_ACC];
-
-static bool hwacc_enabled[NUM_HW_ACC];
-static bool hwacc_ret_enabled[NUM_HW_ACC];
-
-static const char *hwacc_regulator_name[NUM_HW_ACC] = {
- [HW_ACC_SVAMMDSP] = "hwacc-sva-mmdsp",
- [HW_ACC_SVAPIPE] = "hwacc-sva-pipe",
- [HW_ACC_SIAMMDSP] = "hwacc-sia-mmdsp",
- [HW_ACC_SIAPIPE] = "hwacc-sia-pipe",
- [HW_ACC_SGA] = "hwacc-sga",
- [HW_ACC_B2R2] = "hwacc-b2r2",
- [HW_ACC_MCDE] = "hwacc-mcde",
- [HW_ACC_ESRAM1] = "hwacc-esram1",
- [HW_ACC_ESRAM2] = "hwacc-esram2",
- [HW_ACC_ESRAM3] = "hwacc-esram3",
- [HW_ACC_ESRAM4] = "hwacc-esram4",
-};
-
-static const char *hwacc_ret_regulator_name[NUM_HW_ACC] = {
- [HW_ACC_SVAMMDSP] = "hwacc-sva-mmdsp-ret",
- [HW_ACC_SIAMMDSP] = "hwacc-sia-mmdsp-ret",
- [HW_ACC_ESRAM1] = "hwacc-esram1-ret",
- [HW_ACC_ESRAM2] = "hwacc-esram2-ret",
- [HW_ACC_ESRAM3] = "hwacc-esram3-ret",
- [HW_ACC_ESRAM4] = "hwacc-esram4-ret",
-};
-
/*
* Used by MCDE to setup all necessary PRCMU registers
*/
return r;
}
-/**
- * prcmu_set_hwacc - set the power state of a h/w accelerator
- * @hwacc_dev: The hardware accelerator (enum hw_acc_dev).
- * @state: The new power state (enum hw_acc_state).
- *
- * This function sets the power state of a hardware accelerator.
- * This function should not be called from interrupt context.
- *
- * NOTE! Deprecated, to be removed when all users switched over to use the
- * regulator framework API.
- */
-int prcmu_set_hwacc(u16 hwacc_dev, u8 state)
-{
- int r = 0;
- bool ram_retention = false;
- bool enable, enable_ret;
-
- /* check argument */
- BUG_ON(hwacc_dev >= NUM_HW_ACC);
-
- /* get state of switches */
- enable = hwacc_enabled[hwacc_dev];
- enable_ret = hwacc_ret_enabled[hwacc_dev];
-
- /* set flag if retention is possible */
- switch (hwacc_dev) {
- case HW_ACC_SVAMMDSP:
- case HW_ACC_SIAMMDSP:
- case HW_ACC_ESRAM1:
- case HW_ACC_ESRAM2:
- case HW_ACC_ESRAM3:
- case HW_ACC_ESRAM4:
- ram_retention = true;
- break;
- }
-
- /* check argument */
- BUG_ON(state > HW_ON);
- BUG_ON(state == HW_OFF_RAMRET && !ram_retention);
-
- /* modify enable flags */
- switch (state) {
- case HW_OFF:
- enable_ret = false;
- enable = false;
- break;
- case HW_ON:
- enable = true;
- break;
- case HW_OFF_RAMRET:
- enable_ret = true;
- enable = false;
- break;
- }
-
- /* get regulator (lazy) */
- if (hwacc_regulator[hwacc_dev] == NULL) {
- hwacc_regulator[hwacc_dev] = regulator_get(NULL,
- hwacc_regulator_name[hwacc_dev]);
- if (IS_ERR(hwacc_regulator[hwacc_dev])) {
- pr_err("prcmu: failed to get supply %s\n",
- hwacc_regulator_name[hwacc_dev]);
- r = PTR_ERR(hwacc_regulator[hwacc_dev]);
- goto out;
- }
- }
-
- if (ram_retention) {
- if (hwacc_ret_regulator[hwacc_dev] == NULL) {
- hwacc_ret_regulator[hwacc_dev] = regulator_get(NULL,
- hwacc_ret_regulator_name[hwacc_dev]);
- if (IS_ERR(hwacc_ret_regulator[hwacc_dev])) {
- pr_err("prcmu: failed to get supply %s\n",
- hwacc_ret_regulator_name[hwacc_dev]);
- r = PTR_ERR(hwacc_ret_regulator[hwacc_dev]);
- goto out;
- }
- }
- }
-
- /* set regulators */
- if (ram_retention) {
- if (enable_ret && !hwacc_ret_enabled[hwacc_dev]) {
- r = regulator_enable(hwacc_ret_regulator[hwacc_dev]);
- if (r < 0) {
- pr_err("prcmu_set_hwacc: ret enable failed\n");
- goto out;
- }
- hwacc_ret_enabled[hwacc_dev] = true;
- }
- }
-
- if (enable && !hwacc_enabled[hwacc_dev]) {
- r = regulator_enable(hwacc_regulator[hwacc_dev]);
- if (r < 0) {
- pr_err("prcmu_set_hwacc: enable failed\n");
- goto out;
- }
- hwacc_enabled[hwacc_dev] = true;
- }
-
- if (!enable && hwacc_enabled[hwacc_dev]) {
- r = regulator_disable(hwacc_regulator[hwacc_dev]);
- if (r < 0) {
- pr_err("prcmu_set_hwacc: disable failed\n");
- goto out;
- }
- hwacc_enabled[hwacc_dev] = false;
- }
-
- if (ram_retention) {
- if (!enable_ret && hwacc_ret_enabled[hwacc_dev]) {
- r = regulator_disable(hwacc_ret_regulator[hwacc_dev]);
- if (r < 0) {
- pr_err("prcmu_set_hwacc: ret disable failed\n");
- goto out;
- }
- hwacc_ret_enabled[hwacc_dev] = false;
- }
- }
-
-out:
- return r;
-}
-EXPORT_SYMBOL(prcmu_set_hwacc);
-
/**
* db8500_prcmu_set_epod - set the state of a EPOD (power domain)
* @epod_id: The EPOD to set
/* End of file previously known as prcmu-fw-defs_v1.h */
-/**
- * enum hw_acc_dev - enum for hw accelerators
- * @HW_ACC_SVAMMDSP: for SVAMMDSP
- * @HW_ACC_SVAPIPE: for SVAPIPE
- * @HW_ACC_SIAMMDSP: for SIAMMDSP
- * @HW_ACC_SIAPIPE: for SIAPIPE
- * @HW_ACC_SGA: for SGA
- * @HW_ACC_B2R2: for B2R2
- * @HW_ACC_MCDE: for MCDE
- * @HW_ACC_ESRAM1: for ESRAM1
- * @HW_ACC_ESRAM2: for ESRAM2
- * @HW_ACC_ESRAM3: for ESRAM3
- * @HW_ACC_ESRAM4: for ESRAM4
- * @NUM_HW_ACC: number of hardware accelerators
- *
- * Different hw accelerators which can be turned ON/
- * OFF or put into retention (MMDSPs and ESRAMs).
- * Used with EPOD API.
- *
- * NOTE! Deprecated, to be removed when all users switched over to use the
- * regulator API.
- */
-enum hw_acc_dev {
- HW_ACC_SVAMMDSP,
- HW_ACC_SVAPIPE,
- HW_ACC_SIAMMDSP,
- HW_ACC_SIAPIPE,
- HW_ACC_SGA,
- HW_ACC_B2R2,
- HW_ACC_MCDE,
- HW_ACC_ESRAM1,
- HW_ACC_ESRAM2,
- HW_ACC_ESRAM3,
- HW_ACC_ESRAM4,
- NUM_HW_ACC
-};
-
/**
* enum prcmu_power_status - results from set_power_state
* @PRCMU_SLEEP_OK: Sleep went ok
struct prcmu_fw_version *prcmu_get_fw_version(void);
int prcmu_request_ape_opp_100_voltage(bool enable);
int prcmu_release_usb_wakeup_state(void);
-/* NOTE! Use regulator framework instead */
-int prcmu_set_hwacc(u16 hw_acc_dev, u8 state);
void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
struct prcmu_auto_pm_config *idle);
bool prcmu_is_auto_pm_enabled(void);
return DDR_100_OPP;
}
-static inline int prcmu_set_hwacc(u16 hw_acc_dev, u8 state)
-{
- return 0;
-}
static inline void prcmu_configure_auto_pm(struct prcmu_auto_pm_config *sleep,
struct prcmu_auto_pm_config *idle)
{
projects / firefly-linux-kernel-4.4.55.git / commitdiff