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path: root/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
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Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gmu.h')
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gmu.h85
1 files changed, 69 insertions, 16 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
index 71dfa60070cc..2af074c8e8cf 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
@@ -4,8 +4,11 @@
#ifndef _A6XX_GMU_H_
#define _A6XX_GMU_H_
+#include <linux/completion.h>
#include <linux/iopoll.h>
#include <linux/interrupt.h>
+#include <linux/notifier.h>
+#include <linux/soc/qcom/qcom_aoss.h>
#include "msm_drv.h"
#include "a6xx_hfi.h"
@@ -16,6 +19,18 @@ struct a6xx_gmu_bo {
u64 iova;
};
+#define GMU_MAX_GX_FREQS 32
+#define GMU_MAX_CX_FREQS 6
+#define GMU_MAX_BCMS 3
+
+struct a6xx_bcm {
+ char *name;
+ unsigned int buswidth;
+ bool fixed;
+ unsigned int perfmode;
+ unsigned int perfmode_bw;
+};
+
/*
* These define the different GMU wake up options - these define how both the
* CPU and the GMU bring up the hardware
@@ -35,6 +50,9 @@ struct a6xx_gmu_bo {
/* The GMU does not do any idle state management */
#define GMU_IDLE_STATE_ACTIVE 0
+/* Unknown power state. Not exposed by the firmware. For documentation purpose only */
+#define GMU_IDLE_STATE_RESERVED 1
+
/* The GMU manages SPTP power collapse */
#define GMU_IDLE_STATE_SPTP 2
@@ -44,15 +62,20 @@ struct a6xx_gmu_bo {
struct a6xx_gmu {
struct device *dev;
- struct msm_gem_address_space *aspace;
+ /* For serializing communication with the GMU: */
+ struct mutex lock;
+
+ struct drm_gpuvm *vm;
- void * __iomem mmio;
- void * __iomem rscc;
+ void __iomem *mmio;
+ u32 mmio_offset;
+ void __iomem *rscc;
int hfi_irq;
int gmu_irq;
struct device *gxpd;
+ struct device *cxpd;
int idle_level;
@@ -66,17 +89,24 @@ struct a6xx_gmu {
int nr_clocks;
struct clk_bulk_data *clocks;
struct clk *core_clk;
+ struct clk *hub_clk;
/* current performance index set externally */
int current_perf_index;
int nr_gpu_freqs;
- unsigned long gpu_freqs[16];
- u32 gx_arc_votes[16];
+ unsigned long gpu_freqs[GMU_MAX_GX_FREQS];
+ u32 gx_arc_votes[GMU_MAX_GX_FREQS];
+ u32 dep_arc_votes[GMU_MAX_GX_FREQS];
+ struct a6xx_hfi_acd_table acd_table;
+
+ int nr_gpu_bws;
+ unsigned long gpu_bw_table[GMU_MAX_GX_FREQS];
+ u32 gpu_ib_votes[GMU_MAX_GX_FREQS][GMU_MAX_BCMS];
int nr_gmu_freqs;
- unsigned long gmu_freqs[4];
- u32 cx_arc_votes[4];
+ unsigned long gmu_freqs[GMU_MAX_CX_FREQS];
+ u32 cx_arc_votes[GMU_MAX_CX_FREQS];
unsigned long freq;
@@ -85,22 +115,40 @@ struct a6xx_gmu {
bool initialized;
bool hung;
bool legacy; /* a618 or a630 */
+
+ /* For power domain callback */
+ struct notifier_block pd_nb;
+ struct completion pd_gate;
+
+ struct qmp *qmp;
+ struct a6xx_hfi_msg_bw_table *bw_table;
+
+/* To check if we can trigger sleep seq at PDC. Cleared in a6xx_rpmh_stop() */
+#define GMU_STATUS_FW_START 0
+/* To track if PDC sleep seq was done */
+#define GMU_STATUS_PDC_SLEEP 1
+/* To track Perfcounter OOB set status */
+#define GMU_STATUS_OOB_PERF_SET 2
+ unsigned long status;
};
+#define GMU_BYTE_OFFSET(gmu, offset) (((offset) << 2) - (gmu)->mmio_offset)
+
static inline u32 gmu_read(struct a6xx_gmu *gmu, u32 offset)
{
- return msm_readl(gmu->mmio + (offset << 2));
+ /* The 'offset' is based on GPU's start address. Adjust it */
+ return readl(gmu->mmio + GMU_BYTE_OFFSET(gmu, offset));
}
static inline void gmu_write(struct a6xx_gmu *gmu, u32 offset, u32 value)
{
- return msm_writel(value, gmu->mmio + (offset << 2));
+ writel(value, gmu->mmio + GMU_BYTE_OFFSET(gmu, offset));
}
static inline void
gmu_write_bulk(struct a6xx_gmu *gmu, u32 offset, const u32 *data, u32 size)
{
- memcpy_toio(gmu->mmio + (offset << 2), data, size);
+ memcpy_toio(gmu->mmio + GMU_BYTE_OFFSET(gmu, offset), data, size);
wmb();
}
@@ -117,24 +165,27 @@ static inline u64 gmu_read64(struct a6xx_gmu *gmu, u32 lo, u32 hi)
{
u64 val;
- val = (u64) msm_readl(gmu->mmio + (lo << 2));
- val |= ((u64) msm_readl(gmu->mmio + (hi << 2)) << 32);
+ val = gmu_read(gmu, lo);
+ val |= ((u64) gmu_read(gmu, hi) << 32);
return val;
}
#define gmu_poll_timeout(gmu, addr, val, cond, interval, timeout) \
- readl_poll_timeout((gmu)->mmio + ((addr) << 2), val, cond, \
+ readl_poll_timeout((gmu)->mmio + (GMU_BYTE_OFFSET(gmu, addr)), val, \
+ cond, interval, timeout)
+#define gmu_poll_timeout_atomic(gmu, addr, val, cond, interval, timeout) \
+ readl_poll_timeout_atomic((gmu)->mmio + (GMU_BYTE_OFFSET(gmu, addr)), val, cond, \
interval, timeout)
static inline u32 gmu_read_rscc(struct a6xx_gmu *gmu, u32 offset)
{
- return msm_readl(gmu->rscc + (offset << 2));
+ return readl(gmu->rscc + (offset << 2));
}
static inline void gmu_write_rscc(struct a6xx_gmu *gmu, u32 offset, u32 value)
{
- return msm_writel(value, gmu->rscc + (offset << 2));
+ writel(value, gmu->rscc + (offset << 2));
}
#define gmu_poll_timeout_rscc(gmu, addr, val, cond, interval, timeout) \
@@ -178,9 +229,11 @@ void a6xx_hfi_init(struct a6xx_gmu *gmu);
int a6xx_hfi_start(struct a6xx_gmu *gmu, int boot_state);
void a6xx_hfi_stop(struct a6xx_gmu *gmu);
int a6xx_hfi_send_prep_slumber(struct a6xx_gmu *gmu);
-int a6xx_hfi_set_freq(struct a6xx_gmu *gmu, int index);
+int a6xx_hfi_set_freq(struct a6xx_gmu *gmu, u32 perf_index, u32 bw_index);
bool a6xx_gmu_gx_is_on(struct a6xx_gmu *gmu);
bool a6xx_gmu_sptprac_is_on(struct a6xx_gmu *gmu);
+void a6xx_sptprac_disable(struct a6xx_gmu *gmu);
+int a6xx_sptprac_enable(struct a6xx_gmu *gmu);
#endif