aboutsummaryrefslogtreecommitdiff
path: root/shared-core/radeon_ms.h
diff options
context:
space:
mode:
Diffstat (limited to 'shared-core/radeon_ms.h')
-rw-r--r--shared-core/radeon_ms.h591
1 files changed, 591 insertions, 0 deletions
diff --git a/shared-core/radeon_ms.h b/shared-core/radeon_ms.h
new file mode 100644
index 00000000..f3bbc9a3
--- /dev/null
+++ b/shared-core/radeon_ms.h
@@ -0,0 +1,591 @@
+/*
+ * Copyright 2007 Jérôme Glisse
+ * Copyright 2007 Dave Airlie
+ * Copyright 2007 Alex Deucher
+ * All Rights Reserved.
+ *
+ * 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
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
+ */
+/*
+ * Authors:
+ * Jérôme Glisse <glisse@freedesktop.org>
+ */
+#ifndef __RADEON_MS_H__
+#define __RADEON_MS_H__
+
+#include "radeon_ms_drv.h"
+#include "radeon_ms_reg.h"
+#include "radeon_ms_drm.h"
+#include "radeon_ms_rom.h"
+#include "radeon_ms_properties.h"
+#include "amd.h"
+#include "amd_legacy.h"
+
+#define DRIVER_AUTHOR "Jerome Glisse, Dave Airlie, Gareth Hughes, "\
+ "Keith Whitwell, others."
+#define DRIVER_NAME "radeon_ms"
+#define DRIVER_DESC "radeon kernel modesetting"
+#define DRIVER_DATE "20071108"
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 0
+#define DRIVER_PATCHLEVEL 0
+
+enum radeon_bus_type {
+ RADEON_PCI = 0x10000,
+ RADEON_AGP = 0x20000,
+ RADEON_PCIE = 0x30000,
+};
+
+enum radeon_family {
+ CHIP_R100,
+ CHIP_RV100,
+ CHIP_RS100,
+ CHIP_RV200,
+ CHIP_RS200,
+ CHIP_R200,
+ CHIP_RV250,
+ CHIP_RS300,
+ CHIP_RV280,
+ CHIP_R300,
+ CHIP_R350,
+ CHIP_R360,
+ CHIP_RV350,
+ CHIP_RV370,
+ CHIP_RV380,
+ CHIP_RS400,
+ CHIP_RV410,
+ CHIP_R420,
+ CHIP_R430,
+ CHIP_R480,
+ CHIP_LAST,
+};
+
+enum radeon_monitor_type {
+ MT_UNKNOWN = -1,
+ MT_NONE = 0,
+ MT_CRT = 1,
+ MT_LCD = 2,
+ MT_DFP = 3,
+ MT_CTV = 4,
+ MT_STV = 5
+};
+
+enum radeon_connector_type {
+ CONNECTOR_NONE,
+ CONNECTOR_PROPRIETARY,
+ CONNECTOR_VGA,
+ CONNECTOR_DVI_I,
+ CONNECTOR_DVI_D,
+ CONNECTOR_CTV,
+ CONNECTOR_STV,
+ CONNECTOR_UNSUPPORTED
+};
+
+enum radeon_output_type {
+ OUTPUT_NONE,
+ OUTPUT_DAC1,
+ OUTPUT_DAC2,
+ OUTPUT_TMDS,
+ OUTPUT_LVDS
+};
+
+struct radeon_state;
+
+struct radeon_ms_crtc {
+ int crtc;
+ uint16_t lut_r[256];
+ uint16_t lut_g[256];
+ uint16_t lut_b[256];
+};
+
+struct radeon_ms_i2c {
+ struct drm_device *drm_dev;
+ uint32_t reg;
+ struct i2c_adapter adapter;
+ struct i2c_algo_bit_data algo;
+};
+
+struct radeon_ms_connector {
+ struct radeon_ms_i2c *i2c;
+ struct edid *edid;
+ struct drm_output *output;
+ int type;
+ int monitor_type;
+ int crtc;
+ uint32_t i2c_reg;
+ char outputs[RADEON_MAX_OUTPUTS];
+ char name[32];
+};
+
+struct radeon_ms_output {
+ int type;
+ struct drm_device *dev;
+ struct radeon_ms_connector *connector;
+ int (*initialize)(struct radeon_ms_output *output);
+ enum drm_output_status (*detect)(struct radeon_ms_output *output);
+ void (*dpms)(struct radeon_ms_output *output, int mode);
+ int (*get_modes)(struct radeon_ms_output *output);
+ bool (*mode_fixup)(struct radeon_ms_output *output,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+ int (*mode_set)(struct radeon_ms_output *output,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+ void (*restore)(struct radeon_ms_output *output,
+ struct radeon_state *state);
+ void (*save)(struct radeon_ms_output *output,
+ struct radeon_state *state);
+};
+
+struct radeon_state {
+ /* memory */
+ uint32_t config_aper_0_base;
+ uint32_t config_aper_1_base;
+ uint32_t config_aper_size;
+ uint32_t mc_fb_location;
+ uint32_t display_base_addr;
+ /* irq */
+ uint32_t gen_int_cntl;
+ /* pci */
+ uint32_t aic_ctrl;
+ uint32_t aic_pt_base;
+ uint32_t aic_pt_base_lo;
+ uint32_t aic_pt_base_hi;
+ uint32_t aic_lo_addr;
+ uint32_t aic_hi_addr;
+ /* agp */
+ uint32_t agp_cntl;
+ uint32_t agp_command;
+ uint32_t agp_base;
+ uint32_t agp_base_2;
+ uint32_t bus_cntl;
+ uint32_t mc_agp_location;
+ /* cp */
+ uint32_t cp_rb_cntl;
+ uint32_t cp_rb_base;
+ uint32_t cp_rb_rptr_addr;
+ uint32_t cp_rb_wptr;
+ uint32_t cp_rb_wptr_delay;
+ uint32_t scratch_umsk;
+ uint32_t scratch_addr;
+ /* pcie */
+ uint32_t pcie_tx_gart_cntl;
+ uint32_t pcie_tx_gart_discard_rd_addr_lo;
+ uint32_t pcie_tx_gart_discard_rd_addr_hi;
+ uint32_t pcie_tx_gart_base;
+ uint32_t pcie_tx_gart_start_lo;
+ uint32_t pcie_tx_gart_start_hi;
+ uint32_t pcie_tx_gart_end_lo;
+ uint32_t pcie_tx_gart_end_hi;
+ /* surface */
+ uint32_t surface_cntl;
+ uint32_t surface0_info;
+ uint32_t surface0_lower_bound;
+ uint32_t surface0_upper_bound;
+ uint32_t surface1_info;
+ uint32_t surface1_lower_bound;
+ uint32_t surface1_upper_bound;
+ uint32_t surface2_info;
+ uint32_t surface2_lower_bound;
+ uint32_t surface2_upper_bound;
+ uint32_t surface3_info;
+ uint32_t surface3_lower_bound;
+ uint32_t surface3_upper_bound;
+ uint32_t surface4_info;
+ uint32_t surface4_lower_bound;
+ uint32_t surface4_upper_bound;
+ uint32_t surface5_info;
+ uint32_t surface5_lower_bound;
+ uint32_t surface5_upper_bound;
+ uint32_t surface6_info;
+ uint32_t surface6_lower_bound;
+ uint32_t surface6_upper_bound;
+ uint32_t surface7_info;
+ uint32_t surface7_lower_bound;
+ uint32_t surface7_upper_bound;
+ /* crtc */
+ uint32_t crtc_gen_cntl;
+ uint32_t crtc_ext_cntl;
+ uint32_t crtc_h_total_disp;
+ uint32_t crtc_h_sync_strt_wid;
+ uint32_t crtc_v_total_disp;
+ uint32_t crtc_v_sync_strt_wid;
+ uint32_t crtc_offset;
+ uint32_t crtc_offset_cntl;
+ uint32_t crtc_pitch;
+ uint32_t crtc_more_cntl;
+ uint32_t crtc_tile_x0_y0;
+ uint32_t fp_h_sync_strt_wid;
+ uint32_t fp_v_sync_strt_wid;
+ uint32_t fp_crtc_h_total_disp;
+ uint32_t fp_crtc_v_total_disp;
+ /* pll */
+ uint32_t clock_cntl_index;
+ uint32_t ppll_cntl;
+ uint32_t ppll_ref_div;
+ uint32_t ppll_div_0;
+ uint32_t ppll_div_1;
+ uint32_t ppll_div_2;
+ uint32_t ppll_div_3;
+ uint32_t vclk_ecp_cntl;
+ uint32_t htotal_cntl;
+ /* dac */
+ uint32_t dac_cntl;
+ uint32_t dac_cntl2;
+ uint32_t dac_ext_cntl;
+ uint32_t disp_misc_cntl;
+ uint32_t dac_macro_cntl;
+ uint32_t disp_pwr_man;
+ uint32_t disp_merge_cntl;
+ uint32_t disp_output_cntl;
+ uint32_t disp2_merge_cntl;
+ uint32_t dac_embedded_sync_cntl;
+ uint32_t dac_broad_pulse;
+ uint32_t dac_skew_clks;
+ uint32_t dac_incr;
+ uint32_t dac_neg_sync_level;
+ uint32_t dac_pos_sync_level;
+ uint32_t dac_blank_level;
+ uint32_t dac_sync_equalization;
+ uint32_t tv_dac_cntl;
+ uint32_t tv_master_cntl;
+};
+
+struct drm_radeon_private {
+ /* driver family specific functions */
+ int (*bus_finish)(struct drm_device *dev);
+ int (*bus_init)(struct drm_device *dev);
+ void (*bus_restore)(struct drm_device *dev, struct radeon_state *state);
+ void (*bus_save)(struct drm_device *dev, struct radeon_state *state);
+ struct drm_ttm_backend *(*create_ttm)(struct drm_device *dev);
+ void (*irq_emit)(struct drm_device *dev);
+ void (*flush_cache)(struct drm_device *dev);
+ /* bus informations */
+ void *bus;
+ uint32_t bus_type;
+ /* cp */
+ uint32_t ring_buffer_size;
+ uint32_t ring_rptr;
+ uint32_t ring_wptr;
+ uint32_t ring_mask;
+ int ring_free;
+ uint32_t ring_tail_mask;
+ uint32_t write_back_area_size;
+ struct drm_buffer_object *ring_buffer_object;
+ struct drm_bo_kmap_obj ring_buffer_map;
+ uint32_t *ring_buffer;
+ uint32_t *write_back_area;
+ const uint32_t *microcode;
+ /* framebuffer */
+ struct amd_fb *fb;
+ /* card family */
+ uint32_t usec_timeout;
+ uint32_t family;
+ struct radeon_ms_output *outputs[RADEON_MAX_OUTPUTS];
+ struct radeon_ms_connector *connectors[RADEON_MAX_CONNECTORS];
+ /* drm map (MMIO, FB) */
+ struct drm_map mmio;
+ struct drm_map vram;
+ /* gpu address space */
+ uint32_t gpu_vram_size;
+ uint32_t gpu_vram_start;
+ uint32_t gpu_vram_end;
+ uint32_t gpu_gart_size;
+ uint32_t gpu_gart_start;
+ uint32_t gpu_gart_end;
+ /* state of the card when module was loaded */
+ struct radeon_state load_state;
+ /* state the driver wants */
+ struct radeon_state driver_state;
+ /* last emitted fence */
+ uint32_t fence_id_last;
+ uint32_t fence_reg;
+ /* when doing gpu stop we save here current state */
+ uint32_t crtc_ext_cntl;
+ uint32_t crtc_gen_cntl;
+ uint32_t crtc2_gen_cntl;
+ uint32_t ov0_scale_cntl;
+ /* bool & type on the hw */
+ uint8_t crtc1_dpms;
+ uint8_t crtc2_dpms;
+ uint8_t restore_state;
+ uint8_t cp_ready;
+ uint8_t bus_ready;
+ uint8_t write_back;
+ /* command buffer informations */
+ struct amd_cmd_module cmd_module;
+ /* abstract asic specific structures */
+ struct radeon_ms_rom rom;
+ struct radeon_ms_properties properties;
+ void *fence;
+};
+
+
+/* radeon_ms_bo.c */
+int radeon_ms_bo_get_gpu_addr(struct drm_device *dev,
+ struct drm_bo_mem_reg *mem,
+ uint32_t *gpu_addr);
+int radeon_ms_bo_move(struct drm_buffer_object * bo, int evict,
+ int no_wait, struct drm_bo_mem_reg * new_mem);
+struct drm_ttm_backend *radeon_ms_create_ttm_backend(struct drm_device * dev);
+uint64_t radeon_ms_evict_flags(struct drm_buffer_object *bo);
+int radeon_ms_init_mem_type(struct drm_device * dev, uint32_t type,
+ struct drm_mem_type_manager * man);
+int radeon_ms_invalidate_caches(struct drm_device * dev, uint64_t flags);
+void radeon_ms_ttm_flush(struct drm_ttm *ttm);
+
+/* radeon_ms_bus.c */
+int radeon_ms_agp_finish(struct drm_device *dev);
+int radeon_ms_agp_init(struct drm_device *dev);
+void radeon_ms_agp_restore(struct drm_device *dev, struct radeon_state *state);
+void radeon_ms_agp_save(struct drm_device *dev, struct radeon_state *state);
+struct drm_ttm_backend *radeon_ms_pcie_create_ttm(struct drm_device *dev);
+int radeon_ms_pcie_finish(struct drm_device *dev);
+int radeon_ms_pcie_init(struct drm_device *dev);
+void radeon_ms_pcie_restore(struct drm_device *dev, struct radeon_state *state);
+void radeon_ms_pcie_save(struct drm_device *dev, struct radeon_state *state);
+
+/* radeon_ms_combios.c */
+int radeon_ms_combios_get_properties(struct drm_device *dev);
+int radeon_ms_connectors_from_combios(struct drm_device *dev);
+int radeon_ms_outputs_from_combios(struct drm_device *dev);
+
+/* radeon_ms_compat.c */
+long radeon_ms_compat_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg);
+
+/* radeon_ms_cp.c */
+int radeon_ms_cp_finish(struct drm_device *dev);
+int radeon_ms_cp_init(struct drm_device *dev);
+void radeon_ms_cp_restore(struct drm_device *dev, struct radeon_state *state);
+void radeon_ms_cp_save(struct drm_device *dev, struct radeon_state *state);
+void radeon_ms_cp_stop(struct drm_device *dev);
+int radeon_ms_cp_wait(struct drm_device *dev, int n);
+int radeon_ms_ring_emit(struct drm_device *dev, uint32_t *cmd, uint32_t count);
+int radeon_ms_resetcp(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+
+/* radeon_ms_crtc.c */
+int radeon_ms_crtc_create(struct drm_device *dev, int crtc);
+void radeon_ms_crtc1_restore(struct drm_device *dev,
+ struct radeon_state *state);
+void radeon_ms_crtc1_save(struct drm_device *dev, struct radeon_state *state);
+
+/* radeon_ms_dac.c */
+int radeon_ms_dac1_initialize(struct radeon_ms_output *output);
+enum drm_output_status radeon_ms_dac1_detect(struct radeon_ms_output *output);
+void radeon_ms_dac1_dpms(struct radeon_ms_output *output, int mode);
+int radeon_ms_dac1_get_modes(struct radeon_ms_output *output);
+bool radeon_ms_dac1_mode_fixup(struct radeon_ms_output *output,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+int radeon_ms_dac1_mode_set(struct radeon_ms_output *output,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+void radeon_ms_dac1_restore(struct radeon_ms_output *output,
+ struct radeon_state *state);
+void radeon_ms_dac1_save(struct radeon_ms_output *output,
+ struct radeon_state *state);
+int radeon_ms_dac2_initialize(struct radeon_ms_output *output);
+enum drm_output_status radeon_ms_dac2_detect(struct radeon_ms_output *output);
+void radeon_ms_dac2_dpms(struct radeon_ms_output *output, int mode);
+int radeon_ms_dac2_get_modes(struct radeon_ms_output *output);
+bool radeon_ms_dac2_mode_fixup(struct radeon_ms_output *output,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+int radeon_ms_dac2_mode_set(struct radeon_ms_output *output,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+void radeon_ms_dac2_restore(struct radeon_ms_output *output,
+ struct radeon_state *state);
+void radeon_ms_dac2_save(struct radeon_ms_output *output,
+ struct radeon_state *state);
+
+/* radeon_ms_drm.c */
+int radeon_ms_driver_dma_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
+void radeon_ms_driver_lastclose(struct drm_device * dev);
+int radeon_ms_driver_load(struct drm_device *dev, unsigned long flags);
+int radeon_ms_driver_open(struct drm_device * dev, struct drm_file *file_priv);
+int radeon_ms_driver_unload(struct drm_device *dev);
+
+/* radeon_ms_family.c */
+int radeon_ms_family_init(struct drm_device *dev);
+
+/* radeon_ms_fence.c */
+void r3xx_fence_handler(struct drm_device * dev);
+int r3xx_fence_types(struct drm_buffer_object *bo,
+ uint32_t * class, uint32_t * type);
+
+/* radeon_ms_fb.c */
+int radeonfb_probe(struct drm_device *dev, struct drm_crtc *crtc, struct drm_output *output);
+int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
+
+/* radeon_ms_gpu.c */
+int radeon_ms_gpu_initialize(struct drm_device *dev);
+void radeon_ms_gpu_dpms(struct drm_device *dev);
+void radeon_ms_gpu_flush(struct drm_device *dev);
+void radeon_ms_gpu_restore(struct drm_device *dev, struct radeon_state *state);
+void radeon_ms_gpu_save(struct drm_device *dev, struct radeon_state *state);
+int radeon_ms_wait_for_idle(struct drm_device *dev);
+
+/* radeon_ms_i2c.c */
+void radeon_ms_i2c_destroy(struct radeon_ms_i2c *i2c);
+struct radeon_ms_i2c *radeon_ms_i2c_create(struct drm_device *dev,
+ const uint32_t reg,
+ const char *name);
+
+/* radeon_ms_irq.c */
+void radeon_ms_irq_emit(struct drm_device *dev);
+irqreturn_t radeon_ms_irq_handler(DRM_IRQ_ARGS);
+void radeon_ms_irq_preinstall(struct drm_device * dev);
+int radeon_ms_irq_postinstall(struct drm_device * dev);
+int radeon_ms_irq_init(struct drm_device *dev);
+void radeon_ms_irq_restore(struct drm_device *dev, struct radeon_state *state);
+void radeon_ms_irq_save(struct drm_device *dev, struct radeon_state *state);
+void radeon_ms_irq_uninstall(struct drm_device * dev);
+
+/* radeon_ms_output.c */
+void radeon_ms_connectors_destroy(struct drm_device *dev);
+int radeon_ms_connectors_from_properties(struct drm_device *dev);
+int radeon_ms_connectors_from_rom(struct drm_device *dev);
+void radeon_ms_outputs_destroy(struct drm_device *dev);
+int radeon_ms_outputs_from_properties(struct drm_device *dev);
+int radeon_ms_outputs_from_rom(struct drm_device *dev);
+void radeon_ms_outputs_restore(struct drm_device *dev,
+ struct radeon_state *state);
+void radeon_ms_outputs_save(struct drm_device *dev, struct radeon_state *state);
+
+/* radeon_ms_properties.c */
+int radeon_ms_properties_init(struct drm_device *dev);
+
+/* radeon_ms_rom.c */
+int radeon_ms_rom_get_properties(struct drm_device *dev);
+int radeon_ms_rom_init(struct drm_device *dev);
+
+/* radeon_ms_state.c */
+void radeon_ms_state_save(struct drm_device *dev, struct radeon_state *state);
+void radeon_ms_state_restore(struct drm_device *dev,
+ struct radeon_state *state);
+
+/* helper macro & functions ***************************************************/
+#define REG_S(rn, bn, v) (((v) << rn##__##bn##__SHIFT) & rn##__##bn##__MASK)
+#define REG_G(rn, bn, v) (((v) & rn##__##bn##__MASK) >> rn##__##bn##__SHIFT)
+#define MMIO_R(rid) mmio_read(dev_priv, rid)
+#define MMIO_W(rid, v) mmio_write(dev_priv, rid, v)
+#define PCIE_R(rid) pcie_read(dev_priv, rid)
+#define PCIE_W(rid, v) pcie_write(dev_priv, rid, v)
+#define PPLL_R(rid) pll_read(dev_priv, rid)
+#define PPLL_W(rid, v) pll_write(dev_priv, rid, v)
+
+static __inline__ uint32_t mmio_read(struct drm_radeon_private *dev_priv,
+ uint32_t offset)
+{
+ return DRM_READ32(&dev_priv->mmio, offset);
+}
+
+
+static __inline__ void mmio_write(struct drm_radeon_private *dev_priv,
+ uint32_t offset, uint32_t v)
+{
+ DRM_WRITE32(&dev_priv->mmio, offset, v);
+}
+
+static __inline__ uint32_t pcie_read(struct drm_radeon_private *dev_priv,
+ uint32_t offset)
+{
+ MMIO_W(PCIE_INDEX, REG_S(PCIE_INDEX, PCIE_INDEX, offset));
+ return MMIO_R(PCIE_DATA);
+}
+
+static __inline__ void pcie_write(struct drm_radeon_private *dev_priv,
+ uint32_t offset, uint32_t v)
+{
+ MMIO_W(PCIE_INDEX, REG_S(PCIE_INDEX, PCIE_INDEX, offset));
+ MMIO_W(PCIE_DATA, v);
+}
+
+static __inline__ void pll_index_errata(struct drm_radeon_private *dev_priv)
+{
+ uint32_t tmp, save;
+
+ /* This workaround is necessary on rv200 and RS200 or PLL
+ * reads may return garbage (among others...)
+ */
+ if (dev_priv->properties.pll_dummy_reads) {
+ tmp = MMIO_R(CLOCK_CNTL_DATA);
+ tmp = MMIO_R(CRTC_GEN_CNTL);
+ }
+ /* This function is required to workaround a hardware bug in some (all?)
+ * revisions of the R300. This workaround should be called after every
+ * CLOCK_CNTL_INDEX register access. If not, register reads afterward
+ * may not be correct.
+ */
+ if (dev_priv->properties.pll_r300_errata) {
+ tmp = save = MMIO_R(CLOCK_CNTL_INDEX);
+ tmp = tmp & ~CLOCK_CNTL_INDEX__PLL_ADDR__MASK;
+ tmp = tmp & ~CLOCK_CNTL_INDEX__PLL_WR_EN;
+ MMIO_W(CLOCK_CNTL_INDEX, tmp);
+ tmp = MMIO_R(CLOCK_CNTL_DATA);
+ MMIO_W(CLOCK_CNTL_INDEX, save);
+ }
+}
+
+static __inline__ void pll_data_errata(struct drm_radeon_private *dev_priv)
+{
+ /* This workarounds is necessary on RV100, RS100 and RS200 chips
+ * or the chip could hang on a subsequent access
+ */
+ if (dev_priv->properties.pll_delay) {
+ /* we can't deal with posted writes here ... */
+ udelay(5000);
+ }
+}
+
+static __inline__ uint32_t pll_read(struct drm_radeon_private *dev_priv,
+ uint32_t offset)
+{
+ uint32_t clock_cntl_index = dev_priv->driver_state.clock_cntl_index;
+ uint32_t data;
+
+ clock_cntl_index &= ~CLOCK_CNTL_INDEX__PLL_ADDR__MASK;
+ clock_cntl_index |= REG_S(CLOCK_CNTL_INDEX, PLL_ADDR, offset);
+ MMIO_W(CLOCK_CNTL_INDEX, clock_cntl_index);
+ pll_index_errata(dev_priv);
+ data = MMIO_R(CLOCK_CNTL_DATA);
+ pll_data_errata(dev_priv);
+ return data;
+}
+
+static __inline__ void pll_write(struct drm_radeon_private *dev_priv,
+ uint32_t offset, uint32_t value)
+{
+ uint32_t clock_cntl_index = dev_priv->driver_state.clock_cntl_index;
+
+ clock_cntl_index &= ~CLOCK_CNTL_INDEX__PLL_ADDR__MASK;
+ clock_cntl_index |= REG_S(CLOCK_CNTL_INDEX, PLL_ADDR, offset);
+ clock_cntl_index |= CLOCK_CNTL_INDEX__PLL_WR_EN;
+ MMIO_W(CLOCK_CNTL_INDEX, clock_cntl_index);
+ pll_index_errata(dev_priv);
+ MMIO_W(CLOCK_CNTL_DATA, value);
+ pll_data_errata(dev_priv);
+}
+
+#endif