Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx> writes:
> In order to allow use of e.g. forcewake_domains in a other feature headers
> included from the top of i915_drv.h, move all uncore related definitions
> into their own header.
>
> v2: move __mask_next_bit macro to utils header (Mika)
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
> Suggested-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_drv.h | 157 +--------------------------------
> drivers/gpu/drm/i915/i915_utils.h | 6 ++
> drivers/gpu/drm/i915/intel_uncore.c | 12 +++
> drivers/gpu/drm/i915/intel_uncore.h | 169 ++++++++++++++++++++++++++++++++++++
> 4 files changed, 188 insertions(+), 156 deletions(-)
> create mode 100644 drivers/gpu/drm/i915/intel_uncore.h
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index b20ed16..29a6966 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -55,6 +55,7 @@
> #include "i915_reg.h"
> #include "i915_utils.h"
>
> +#include "intel_uncore.h"
> #include "intel_bios.h"
> #include "intel_dpll_mgr.h"
> #include "intel_uc.h"
> @@ -676,116 +677,6 @@ struct drm_i915_display_funcs {
> void (*load_luts)(struct drm_crtc_state *crtc_state);
> };
>
> -enum forcewake_domain_id {
> - FW_DOMAIN_ID_RENDER = 0,
> - FW_DOMAIN_ID_BLITTER,
> - FW_DOMAIN_ID_MEDIA,
> -
> - FW_DOMAIN_ID_COUNT
> -};
> -
> -enum forcewake_domains {
> - FORCEWAKE_RENDER = BIT(FW_DOMAIN_ID_RENDER),
> - FORCEWAKE_BLITTER = BIT(FW_DOMAIN_ID_BLITTER),
> - FORCEWAKE_MEDIA = BIT(FW_DOMAIN_ID_MEDIA),
> - FORCEWAKE_ALL = (FORCEWAKE_RENDER |
> - FORCEWAKE_BLITTER |
> - FORCEWAKE_MEDIA)
> -};
> -
> -#define FW_REG_READ (1)
> -#define FW_REG_WRITE (2)
> -
> -enum decoupled_power_domain {
> - GEN9_DECOUPLED_PD_BLITTER = 0,
> - GEN9_DECOUPLED_PD_RENDER,
> - GEN9_DECOUPLED_PD_MEDIA,
> - GEN9_DECOUPLED_PD_ALL
> -};
> -
> -enum decoupled_ops {
> - GEN9_DECOUPLED_OP_WRITE = 0,
> - GEN9_DECOUPLED_OP_READ
> -};
> -
> -enum forcewake_domains
> -intel_uncore_forcewake_for_reg(struct drm_i915_private *dev_priv,
> - i915_reg_t reg, unsigned int op);
> -
> -struct intel_uncore_funcs {
> - void (*force_wake_get)(struct drm_i915_private *dev_priv,
> - enum forcewake_domains domains);
> - void (*force_wake_put)(struct drm_i915_private *dev_priv,
> - enum forcewake_domains domains);
> -
> - uint8_t (*mmio_readb)(struct drm_i915_private *dev_priv,
> - i915_reg_t r, bool trace);
> - uint16_t (*mmio_readw)(struct drm_i915_private *dev_priv,
> - i915_reg_t r, bool trace);
> - uint32_t (*mmio_readl)(struct drm_i915_private *dev_priv,
> - i915_reg_t r, bool trace);
> - uint64_t (*mmio_readq)(struct drm_i915_private *dev_priv,
> - i915_reg_t r, bool trace);
> -
> - void (*mmio_writeb)(struct drm_i915_private *dev_priv,
> - i915_reg_t r, uint8_t val, bool trace);
> - void (*mmio_writew)(struct drm_i915_private *dev_priv,
> - i915_reg_t r, uint16_t val, bool trace);
> - void (*mmio_writel)(struct drm_i915_private *dev_priv,
> - i915_reg_t r, uint32_t val, bool trace);
> -};
> -
> -struct intel_forcewake_range {
> - u32 start;
> - u32 end;
> -
> - enum forcewake_domains domains;
> -};
> -
> -struct intel_uncore {
> - spinlock_t lock; /** lock is also taken in irq contexts. */
> -
> - const struct intel_forcewake_range *fw_domains_table;
> - unsigned int fw_domains_table_entries;
> -
> - struct notifier_block pmic_bus_access_nb;
> - struct intel_uncore_funcs funcs;
> -
> - unsigned fifo_count;
> -
> - enum forcewake_domains fw_domains;
> - enum forcewake_domains fw_domains_active;
> -
> - u32 fw_set;
> - u32 fw_clear;
> - u32 fw_reset;
> -
> - struct intel_uncore_forcewake_domain {
> - enum forcewake_domain_id id;
> - enum forcewake_domains mask;
> - unsigned wake_count;
> - struct hrtimer timer;
> - i915_reg_t reg_set;
> - i915_reg_t reg_ack;
> - } fw_domain[FW_DOMAIN_ID_COUNT];
> -
> - int unclaimed_mmio_check;
> -};
> -
> -#define __mask_next_bit(mask) ({ \
> - int __idx = ffs(mask) - 1; \
> - mask &= ~BIT(__idx); \
> - __idx; \
> -})
> -
> -/* Iterate over initialised fw domains */
> -#define for_each_fw_domain_masked(domain__, mask__, dev_priv__, tmp__) \
> - for (tmp__ = (mask__); \
> - tmp__ ? (domain__ = &(dev_priv__)->uncore.fw_domain[__mask_next_bit(tmp__)]), 1 : 0;)
> -
> -#define for_each_fw_domain(domain__, dev_priv__, tmp__) \
> - for_each_fw_domain_masked(domain__, (dev_priv__)->uncore.fw_domains, dev_priv__, tmp__)
> -
> #define CSR_VERSION(major, minor) ((major) << 16 | (minor))
> #define CSR_VERSION_MAJOR(version) ((version) >> 16)
> #define CSR_VERSION_MINOR(version) ((version) & 0xffff)
> @@ -3063,52 +2954,6 @@ extern void intel_irq_fini(struct drm_i915_private *dev_priv);
> int intel_irq_install(struct drm_i915_private *dev_priv);
> void intel_irq_uninstall(struct drm_i915_private *dev_priv);
>
> -extern void intel_uncore_sanitize(struct drm_i915_private *dev_priv);
> -extern void intel_uncore_init(struct drm_i915_private *dev_priv);
> -extern bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv);
> -extern bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv);
> -extern void intel_uncore_fini(struct drm_i915_private *dev_priv);
> -extern void intel_uncore_suspend(struct drm_i915_private *dev_priv);
> -extern void intel_uncore_resume_early(struct drm_i915_private *dev_priv);
> -const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id);
> -void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
> - enum forcewake_domains domains);
> -void intel_uncore_forcewake_put(struct drm_i915_private *dev_priv,
> - enum forcewake_domains domains);
> -/* Like above but the caller must manage the uncore.lock itself.
> - * Must be used with I915_READ_FW and friends.
> - */
> -void intel_uncore_forcewake_get__locked(struct drm_i915_private *dev_priv,
> - enum forcewake_domains domains);
> -void intel_uncore_forcewake_put__locked(struct drm_i915_private *dev_priv,
> - enum forcewake_domains domains);
> -u64 intel_uncore_edram_size(struct drm_i915_private *dev_priv);
> -
> -void assert_forcewakes_inactive(struct drm_i915_private *dev_priv);
> -
> -int intel_wait_for_register(struct drm_i915_private *dev_priv,
> - i915_reg_t reg,
> - u32 mask,
> - u32 value,
> - unsigned int timeout_ms);
> -int __intel_wait_for_register_fw(struct drm_i915_private *dev_priv,
> - i915_reg_t reg,
> - u32 mask,
> - u32 value,
> - unsigned int fast_timeout_us,
> - unsigned int slow_timeout_ms,
> - u32 *out_value);
> -static inline
> -int intel_wait_for_register_fw(struct drm_i915_private *dev_priv,
> - i915_reg_t reg,
> - u32 mask,
> - u32 value,
> - unsigned int timeout_ms)
> -{
> - return __intel_wait_for_register_fw(dev_priv, reg, mask, value,
> - 2, timeout_ms, NULL);
> -}
> -
> static inline bool intel_gvt_active(struct drm_i915_private *dev_priv)
> {
> return dev_priv->gvt;
> diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
> index c5455d3..f9d6607 100644
> --- a/drivers/gpu/drm/i915/i915_utils.h
> +++ b/drivers/gpu/drm/i915/i915_utils.h
> @@ -92,4 +92,10 @@
> __T; \
> })
>
> +#define __mask_next_bit(mask) ({ \
> + int __idx = ffs(mask) - 1; \
> + mask &= ~BIT(__idx); \
> + __idx; \
> +})
> +
> #endif /* !__I915_UTILS_H */
> diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
> index aa9d306..2c628df 100644
> --- a/drivers/gpu/drm/i915/intel_uncore.c
> +++ b/drivers/gpu/drm/i915/intel_uncore.c
> @@ -801,6 +801,18 @@ unclaimed_reg_debug(struct drm_i915_private *dev_priv,
> __unclaimed_reg_debug(dev_priv, reg, read, before);
> }
>
> +enum decoupled_power_domain {
> + GEN9_DECOUPLED_PD_BLITTER = 0,
> + GEN9_DECOUPLED_PD_RENDER,
> + GEN9_DECOUPLED_PD_MEDIA,
> + GEN9_DECOUPLED_PD_ALL
> +};
> +
> +enum decoupled_ops {
> + GEN9_DECOUPLED_OP_WRITE = 0,
> + GEN9_DECOUPLED_OP_READ
> +};
> +
> static const enum decoupled_power_domain fw2dpd_domain[] = {
> GEN9_DECOUPLED_PD_RENDER,
> GEN9_DECOUPLED_PD_BLITTER,
> diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h
> new file mode 100644
> index 0000000..ff6fe2b
> --- /dev/null
> +++ b/drivers/gpu/drm/i915/intel_uncore.h
> @@ -0,0 +1,169 @@
> +/*
> + * Copyright © 2017 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> + * IN THE SOFTWARE.
> + *
> + */
> +
> +#ifndef __INTEL_UNCORE_H__
> +#define __INTEL_UNCORE_H__
> +
> +struct drm_i915_private;
> +
> +enum forcewake_domain_id {
> + FW_DOMAIN_ID_RENDER = 0,
> + FW_DOMAIN_ID_BLITTER,
> + FW_DOMAIN_ID_MEDIA,
> +
> + FW_DOMAIN_ID_COUNT
> +};
> +
> +enum forcewake_domains {
> + FORCEWAKE_RENDER = BIT(FW_DOMAIN_ID_RENDER),
> + FORCEWAKE_BLITTER = BIT(FW_DOMAIN_ID_BLITTER),
> + FORCEWAKE_MEDIA = BIT(FW_DOMAIN_ID_MEDIA),
> + FORCEWAKE_ALL = (FORCEWAKE_RENDER |
> + FORCEWAKE_BLITTER |
> + FORCEWAKE_MEDIA)
> +};
> +
> +struct intel_uncore_funcs {
> + void (*force_wake_get)(struct drm_i915_private *dev_priv,
> + enum forcewake_domains domains);
> + void (*force_wake_put)(struct drm_i915_private *dev_priv,
> + enum forcewake_domains domains);
> +
> + uint8_t (*mmio_readb)(struct drm_i915_private *dev_priv,
> + i915_reg_t r, bool trace);
> + uint16_t (*mmio_readw)(struct drm_i915_private *dev_priv,
> + i915_reg_t r, bool trace);
> + uint32_t (*mmio_readl)(struct drm_i915_private *dev_priv,
> + i915_reg_t r, bool trace);
> + uint64_t (*mmio_readq)(struct drm_i915_private *dev_priv,
> + i915_reg_t r, bool trace);
> +
> + void (*mmio_writeb)(struct drm_i915_private *dev_priv,
> + i915_reg_t r, uint8_t val, bool trace);
> + void (*mmio_writew)(struct drm_i915_private *dev_priv,
> + i915_reg_t r, uint16_t val, bool trace);
> + void (*mmio_writel)(struct drm_i915_private *dev_priv,
> + i915_reg_t r, uint32_t val, bool trace);
> +};
> +
> +struct intel_forcewake_range {
> + u32 start;
> + u32 end;
> +
> + enum forcewake_domains domains;
> +};
> +
> +struct intel_uncore {
> + spinlock_t lock; /** lock is also taken in irq contexts. */
> +
> + const struct intel_forcewake_range *fw_domains_table;
> + unsigned int fw_domains_table_entries;
> +
> + struct notifier_block pmic_bus_access_nb;
> + struct intel_uncore_funcs funcs;
> +
> + unsigned int fifo_count;
> +
> + enum forcewake_domains fw_domains;
> + enum forcewake_domains fw_domains_active;
> +
> + u32 fw_set;
> + u32 fw_clear;
> + u32 fw_reset;
> +
> + struct intel_uncore_forcewake_domain {
> + enum forcewake_domain_id id;
> + enum forcewake_domains mask;
> + unsigned int wake_count;
> + struct hrtimer timer;
> + i915_reg_t reg_set;
> + i915_reg_t reg_ack;
> + } fw_domain[FW_DOMAIN_ID_COUNT];
> +
> + int unclaimed_mmio_check;
> +};
> +
> +/* Iterate over initialised fw domains */
> +#define for_each_fw_domain_masked(domain__, mask__, dev_priv__, tmp__) \
> + for (tmp__ = (mask__); \
> + tmp__ ? (domain__ = &(dev_priv__)->uncore.fw_domain[__mask_next_bit(tmp__)]), 1 : 0;)
> +
> +#define for_each_fw_domain(domain__, dev_priv__, tmp__) \
> + for_each_fw_domain_masked(domain__, (dev_priv__)->uncore.fw_domains, dev_priv__, tmp__)
> +
> +
> +void intel_uncore_sanitize(struct drm_i915_private *dev_priv);
> +void intel_uncore_init(struct drm_i915_private *dev_priv);
> +bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv);
> +bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv);
> +void intel_uncore_fini(struct drm_i915_private *dev_priv);
> +void intel_uncore_suspend(struct drm_i915_private *dev_priv);
> +void intel_uncore_resume_early(struct drm_i915_private *dev_priv);
> +
> +u64 intel_uncore_edram_size(struct drm_i915_private *dev_priv);
> +void assert_forcewakes_inactive(struct drm_i915_private *dev_priv);
> +const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id);
> +
> +enum forcewake_domains
> +intel_uncore_forcewake_for_reg(struct drm_i915_private *dev_priv,
> + i915_reg_t reg, unsigned int op);
> +#define FW_REG_READ (1)
> +#define FW_REG_WRITE (2)
> +
> +void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
> + enum forcewake_domains domains);
> +void intel_uncore_forcewake_put(struct drm_i915_private *dev_priv,
> + enum forcewake_domains domains);
> +/* Like above but the caller must manage the uncore.lock itself.
> + * Must be used with I915_READ_FW and friends.
> + */
> +void intel_uncore_forcewake_get__locked(struct drm_i915_private *dev_priv,
> + enum forcewake_domains domains);
> +void intel_uncore_forcewake_put__locked(struct drm_i915_private *dev_priv,
> + enum forcewake_domains domains);
> +
> +int intel_wait_for_register(struct drm_i915_private *dev_priv,
> + i915_reg_t reg,
> + u32 mask,
> + u32 value,
> + unsigned int timeout_ms);
> +int __intel_wait_for_register_fw(struct drm_i915_private *dev_priv,
> + i915_reg_t reg,
> + u32 mask,
> + u32 value,
> + unsigned int fast_timeout_us,
> + unsigned int slow_timeout_ms,
> + u32 *out_value);
> +static inline
> +int intel_wait_for_register_fw(struct drm_i915_private *dev_priv,
> + i915_reg_t reg,
> + u32 mask,
> + u32 value,
> + unsigned int timeout_ms)
> +{
> + return __intel_wait_for_register_fw(dev_priv, reg, mask, value,
> + 2, timeout_ms, NULL);
> +}
> +
> +#endif /* !__INTEL_UNCORE_H__ */
> --
> 2.7.4
>
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