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drm/radeon/kms: i2c reorg

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- keep the atom i2c id in the i2c rec
- fix gpio regs for GPIO and MDGPIO on pre-avivo chips
- track whether the i2c line is hw capable
- track whether the i2c line uses the multimedia i2c block

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2009-11-23 17:39:28 -05:00
committed by Dave Airlie
parent 1a66c95a64
commit 6a93cb250a
7 changed files with 165 additions and 119 deletions
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16
drivers/gpu/drm/radeon/radeon_mode.h
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@@ -106,6 +106,13 @@ enum radeon_tv_std {
*/
struct radeon_i2c_bus_rec {
bool valid;
/* id used by atom */
uint8_t i2c_id;
/* can be used with hw i2c engine */
bool hw_capable;
/* uses multi-media i2c engine */
bool mm_i2c;
/* regs and bits */
uint32_t mask_clk_reg;
uint32_t mask_data_reg;
uint32_t a_clk_reg;
@@ -172,7 +179,6 @@ struct radeon_i2c_chan {
struct i2c_algo_bit_data bit;
} algo;
struct radeon_i2c_bus_rec rec;
uint8_t i2c_id;
};
/* mostly for macs, but really any system without connector tables */
@@ -333,7 +339,6 @@ struct radeon_encoder {
struct radeon_connector_atom_dig {
uint32_t igp_lane_info;
bool linkb;
uint16_t uc_i2c_id;
struct radeon_i2c_chan *dp_i2c_bus;
u8 dpcd[8];
};
@@ -352,8 +357,6 @@ struct radeon_connector {
void *con_priv;
bool dac_load_detect;
uint16_t connector_object_id;
/* need to keep this for display port */
//
};
struct radeon_framebuffer {
@@ -362,12 +365,13 @@ struct radeon_framebuffer {
};
extern int radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
extern void radeon_dp_getdpcd(struct radeon_connector *connector);
extern void radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
extern int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
uint8_t write_byte, uint8_t *read_byte);
extern struct radeon_i2c_chan *radeon_i2c_create_dp(struct drm_device *dev,
const char *name, bool dp, u8 i2c_id);
struct radeon_i2c_bus_rec *rec,
const char *name);
extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
struct radeon_i2c_bus_rec *rec,
const char *name);