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drm/i915: ironlake_write_eld code cleanup

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Use _PIPE macro to get correct register definition for IBX/CPT, discard
old variable "i" way.

Signed-off-by: Wang Xingchao <xingchao.wang@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
[danvet: Added the DIP_PORT_SEL #define from a preceeding patch in the
series that needs more work.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Wang Xingchao 2012-08-09 16:52:18 +08:00 committed by Daniel Vetter
parent 4f07854dd7
commit 9b138a8367
2 changed files with 34 additions and 13 deletions
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25
drivers/gpu/drm/i915/i915_reg.h
View file

@ -4247,7 +4247,15 @@
#define G4X_HDMIW_HDMIEDID 0x6210C
#define IBX_HDMIW_HDMIEDID_A 0xE2050
#define IBX_HDMIW_HDMIEDID_B 0xE2150
#define IBX_HDMIW_HDMIEDID(pipe) _PIPE(pipe, \
IBX_HDMIW_HDMIEDID_A, \
IBX_HDMIW_HDMIEDID_B)
#define IBX_AUD_CNTL_ST_A 0xE20B4
#define IBX_AUD_CNTL_ST_B 0xE21B4
#define IBX_AUD_CNTL_ST(pipe) _PIPE(pipe, \
IBX_AUD_CNTL_ST_A, \
IBX_AUD_CNTL_ST_B)
#define IBX_ELD_BUFFER_SIZE (0x1f << 10)
#define IBX_ELD_ADDRESS (0x1f << 5)
#define IBX_ELD_ACK (1 << 4)
@ -4256,7 +4264,15 @@
#define IBX_CP_READYB (1 << 1)
#define CPT_HDMIW_HDMIEDID_A 0xE5050
#define CPT_HDMIW_HDMIEDID_B 0xE5150
#define CPT_HDMIW_HDMIEDID(pipe) _PIPE(pipe, \
CPT_HDMIW_HDMIEDID_A, \
CPT_HDMIW_HDMIEDID_B)
#define CPT_AUD_CNTL_ST_A 0xE50B4
#define CPT_AUD_CNTL_ST_B 0xE51B4
#define CPT_AUD_CNTL_ST(pipe) _PIPE(pipe, \
CPT_AUD_CNTL_ST_A, \
CPT_AUD_CNTL_ST_B)
#define CPT_AUD_CNTRL_ST2 0xE50C0
/* These are the 4 32-bit write offset registers for each stream
@ -4266,7 +4282,15 @@
#define GEN7_SO_WRITE_OFFSET(n) (0x5280 + (n) * 4)
#define IBX_AUD_CONFIG_A 0xe2000
#define IBX_AUD_CONFIG_B 0xe2100
#define IBX_AUD_CFG(pipe) _PIPE(pipe, \
IBX_AUD_CONFIG_A, \
IBX_AUD_CONFIG_B)
#define CPT_AUD_CONFIG_A 0xe5000
#define CPT_AUD_CONFIG_B 0xe5100
#define CPT_AUD_CFG(pipe) _PIPE(pipe, \
CPT_AUD_CONFIG_A, \
CPT_AUD_CONFIG_B)
#define AUD_CONFIG_N_VALUE_INDEX (1 << 29)
#define AUD_CONFIG_N_PROG_ENABLE (1 << 28)
#define AUD_CONFIG_UPPER_N_SHIFT 20
@ -4302,6 +4326,7 @@
#define AUD_DIG_CNVT(pipe) _PIPE(pipe, \
HSW_AUD_DIG_CNVT_1, \
HSW_AUD_DIG_CNVT_2)
#define DIP_PORT_SEL_MASK 0x3
#define HSW_AUD_EDID_DATA_A 0x65050
#define HSW_AUD_EDID_DATA_B 0x65150

22
drivers/gpu/drm/i915/intel_display.c
View file

@ -5078,28 +5078,24 @@ static void ironlake_write_eld(struct drm_connector *connector,
int aud_config;
int aud_cntl_st;
int aud_cntrl_st2;
int pipe = to_intel_crtc(crtc)->pipe;
if (HAS_PCH_IBX(connector->dev)) {
hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID_A;
aud_config = IBX_AUD_CONFIG_A;
aud_cntl_st = IBX_AUD_CNTL_ST_A;
hdmiw_hdmiedid = IBX_HDMIW_HDMIEDID(pipe);
aud_config = IBX_AUD_CFG(pipe);
aud_cntl_st = IBX_AUD_CNTL_ST(pipe);
aud_cntrl_st2 = IBX_AUD_CNTL_ST2;
} else {
hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID_A;
aud_config = CPT_AUD_CONFIG_A;
aud_cntl_st = CPT_AUD_CNTL_ST_A;
hdmiw_hdmiedid = CPT_HDMIW_HDMIEDID(pipe);
aud_config = CPT_AUD_CFG(pipe);
aud_cntl_st = CPT_AUD_CNTL_ST(pipe);
aud_cntrl_st2 = CPT_AUD_CNTRL_ST2;
}
i = to_intel_crtc(crtc)->pipe;
hdmiw_hdmiedid += i * 0x100;
aud_cntl_st += i * 0x100;
aud_config += i * 0x100;
DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(i));
DRM_DEBUG_DRIVER("ELD on pipe %c\n", pipe_name(pipe));
i = I915_READ(aud_cntl_st);
i = (i >> 29) & 0x3; /* DIP_Port_Select, 0x1 = PortB */
i = (i >> 29) & DIP_PORT_SEL_MASK; /* DIP_Port_Select, 0x1 = PortB */
if (!i) {
DRM_DEBUG_DRIVER("Audio directed to unknown port\n");
/* operate blindly on all ports */