The bits for accessing I2C data and clock channels varies among models. Store them in the device-info structure for consumption by the DDC code.
Signed-off-by: Thomas Zimmermann <[email protected]> --- drivers/gpu/drm/mgag200/mgag200_drv.h | 12 +++++++++- drivers/gpu/drm/mgag200/mgag200_g200.c | 2 +- drivers/gpu/drm/mgag200/mgag200_g200eh.c | 2 +- drivers/gpu/drm/mgag200/mgag200_g200eh3.c | 2 +- drivers/gpu/drm/mgag200/mgag200_g200er.c | 2 +- drivers/gpu/drm/mgag200/mgag200_g200ev.c | 2 +- drivers/gpu/drm/mgag200/mgag200_g200ew3.c | 2 +- drivers/gpu/drm/mgag200/mgag200_g200se.c | 12 +++++----- drivers/gpu/drm/mgag200/mgag200_g200wb.c | 2 +- drivers/gpu/drm/mgag200/mgag200_i2c.c | 27 +++-------------------- 10 files changed, 27 insertions(+), 38 deletions(-) diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index 1ceb19a987e2..301c4ab46539 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -203,6 +203,11 @@ struct mgag200_device_info { /* HW has external source (e.g., BMC) to synchronize with */ bool has_vidrst:1; + struct { + unsigned data_bit:3; + unsigned clock_bit:3; + } i2c; + /* * HW does not handle 'startadd' register correctly. Always set * it's value to 0. @@ -211,12 +216,17 @@ struct mgag200_device_info { }; #define MGAG200_DEVICE_INFO_INIT(_max_hdisplay, _max_vdisplay, _max_mem_bandwidth, \ - _has_vidrst, _bug_no_startadd) \ + _has_vidrst, _i2c_data_bit, _i2c_clock_bit, \ + _bug_no_startadd) \ { \ .max_hdisplay = (_max_hdisplay), \ .max_vdisplay = (_max_vdisplay), \ .max_mem_bandwidth = (_max_mem_bandwidth), \ .has_vidrst = (_has_vidrst), \ + .i2c = { \ + .data_bit = (_i2c_data_bit), \ + .clock_bit = (_i2c_clock_bit), \ + }, \ .bug_no_startadd = (_bug_no_startadd), \ } diff --git a/drivers/gpu/drm/mgag200/mgag200_g200.c b/drivers/gpu/drm/mgag200/mgag200_g200.c index 58ae5d067263..616e11391e02 100644 --- a/drivers/gpu/drm/mgag200/mgag200_g200.c +++ b/drivers/gpu/drm/mgag200/mgag200_g200.c @@ -34,7 +34,7 @@ static int mgag200_g200_init_pci_options(struct pci_dev *pdev) */ static const struct mgag200_device_info mgag200_g200_device_info = - MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, false, false); + MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, false, 1, 3, false); static void mgag200_g200_interpret_bios(struct mgag200_g200_device *g200, const unsigned char *bios, size_t size) diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh.c b/drivers/gpu/drm/mgag200/mgag200_g200eh.c index ee38d918c727..1b9a22728744 100644 --- a/drivers/gpu/drm/mgag200/mgag200_g200eh.c +++ b/drivers/gpu/drm/mgag200/mgag200_g200eh.c @@ -11,7 +11,7 @@ */ static const struct mgag200_device_info mgag200_g200eh_device_info = - MGAG200_DEVICE_INFO_INIT(2048, 2048, 37500, false, false); + MGAG200_DEVICE_INFO_INIT(2048, 2048, 37500, false, 1, 0, false); struct mga_device *mgag200_g200eh_device_create(struct pci_dev *pdev, const struct drm_driver *drv, enum mga_type type) diff --git a/drivers/gpu/drm/mgag200/mgag200_g200eh3.c b/drivers/gpu/drm/mgag200/mgag200_g200eh3.c index 4b69206296ee..438cda1b14c9 100644 --- a/drivers/gpu/drm/mgag200/mgag200_g200eh3.c +++ b/drivers/gpu/drm/mgag200/mgag200_g200eh3.c @@ -11,7 +11,7 @@ */ static const struct mgag200_device_info mgag200_g200eh3_device_info = - MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, false, false); + MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, false, 1, 0, false); struct mga_device *mgag200_g200eh3_device_create(struct pci_dev *pdev, const struct drm_driver *drv, diff --git a/drivers/gpu/drm/mgag200/mgag200_g200er.c b/drivers/gpu/drm/mgag200/mgag200_g200er.c index 7e44fcc7bb59..0790d4e6463d 100644 --- a/drivers/gpu/drm/mgag200/mgag200_g200er.c +++ b/drivers/gpu/drm/mgag200/mgag200_g200er.c @@ -11,7 +11,7 @@ */ static const struct mgag200_device_info mgag200_g200er_device_info = - MGAG200_DEVICE_INFO_INIT(2048, 2048, 55000, false, false); + MGAG200_DEVICE_INFO_INIT(2048, 2048, 55000, false, 1, 0, false); struct mga_device *mgag200_g200er_device_create(struct pci_dev *pdev, const struct drm_driver *drv, enum mga_type type) diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ev.c b/drivers/gpu/drm/mgag200/mgag200_g200ev.c index 87a9497ab805..5353422d0eef 100644 --- a/drivers/gpu/drm/mgag200/mgag200_g200ev.c +++ b/drivers/gpu/drm/mgag200/mgag200_g200ev.c @@ -11,7 +11,7 @@ */ static const struct mgag200_device_info mgag200_g200ev_device_info = - MGAG200_DEVICE_INFO_INIT(2048, 2048, 32700, false, false); + MGAG200_DEVICE_INFO_INIT(2048, 2048, 32700, false, 0, 1, false); struct mga_device *mgag200_g200ev_device_create(struct pci_dev *pdev, const struct drm_driver *drv, enum mga_type type) diff --git a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c index 61f944319bc9..3bfc1324cf78 100644 --- a/drivers/gpu/drm/mgag200/mgag200_g200ew3.c +++ b/drivers/gpu/drm/mgag200/mgag200_g200ew3.c @@ -11,7 +11,7 @@ */ static const struct mgag200_device_info mgag200_g200ew3_device_info = - MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, true, false); + MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, true, 0, 1, false); static resource_size_t mgag200_g200ew3_device_probe_vram(struct mga_device *mdev) { diff --git a/drivers/gpu/drm/mgag200/mgag200_g200se.c b/drivers/gpu/drm/mgag200/mgag200_g200se.c index 0ccec9358529..0a3e66695e22 100644 --- a/drivers/gpu/drm/mgag200/mgag200_g200se.c +++ b/drivers/gpu/drm/mgag200/mgag200_g200se.c @@ -33,22 +33,22 @@ static int mgag200_g200se_init_pci_options(struct pci_dev *pdev) */ static const struct mgag200_device_info mgag200_g200se_a_01_device_info = - MGAG200_DEVICE_INFO_INIT(1600, 1200, 24400, false, true); + MGAG200_DEVICE_INFO_INIT(1600, 1200, 24400, false, 0, 1, true); static const struct mgag200_device_info mgag200_g200se_a_02_device_info = - MGAG200_DEVICE_INFO_INIT(1920, 1200, 30100, false, true); + MGAG200_DEVICE_INFO_INIT(1920, 1200, 30100, false, 0, 1, true); static const struct mgag200_device_info mgag200_g200se_a_03_device_info = - MGAG200_DEVICE_INFO_INIT(2048, 2048, 55000, false, false); + MGAG200_DEVICE_INFO_INIT(2048, 2048, 55000, false, 0, 1, false); static const struct mgag200_device_info mgag200_g200se_b_01_device_info = - MGAG200_DEVICE_INFO_INIT(1600, 1200, 24400, false, false); + MGAG200_DEVICE_INFO_INIT(1600, 1200, 24400, false, 0, 1, false); static const struct mgag200_device_info mgag200_g200se_b_02_device_info = - MGAG200_DEVICE_INFO_INIT(1920, 1200, 30100, false, false); + MGAG200_DEVICE_INFO_INIT(1920, 1200, 30100, false, 0, 1, false); static const struct mgag200_device_info mgag200_g200se_b_03_device_info = - MGAG200_DEVICE_INFO_INIT(2048, 2048, 55000, false, false); + MGAG200_DEVICE_INFO_INIT(2048, 2048, 55000, false, 0, 1, false); static int mgag200_g200se_init_unique_rev_id(struct mgag200_g200se_device *g200se) { diff --git a/drivers/gpu/drm/mgag200/mgag200_g200wb.c b/drivers/gpu/drm/mgag200/mgag200_g200wb.c index 97002c08da41..c8450ac8eaec 100644 --- a/drivers/gpu/drm/mgag200/mgag200_g200wb.c +++ b/drivers/gpu/drm/mgag200/mgag200_g200wb.c @@ -11,7 +11,7 @@ */ static const struct mgag200_device_info mgag200_g200wb_device_info = - MGAG200_DEVICE_INFO_INIT(1280, 1024, 31877, true, false); + MGAG200_DEVICE_INFO_INIT(1280, 1024, 31877, true, 0, 1, false); struct mga_device *mgag200_g200wb_device_create(struct pci_dev *pdev, const struct drm_driver *drv, enum mga_type type) diff --git a/drivers/gpu/drm/mgag200/mgag200_i2c.c b/drivers/gpu/drm/mgag200/mgag200_i2c.c index f57b33917152..0c48bdf3e7f8 100644 --- a/drivers/gpu/drm/mgag200/mgag200_i2c.c +++ b/drivers/gpu/drm/mgag200/mgag200_i2c.c @@ -96,36 +96,15 @@ static void mgag200_i2c_release(void *res) int mgag200_i2c_init(struct mga_device *mdev, struct mga_i2c_chan *i2c) { struct drm_device *dev = &mdev->base; + const struct mgag200_device_info *info = mdev->info; int ret; - int data, clock; WREG_DAC(MGA1064_GEN_IO_CTL2, 1); WREG_DAC(MGA1064_GEN_IO_DATA, 0xff); WREG_DAC(MGA1064_GEN_IO_CTL, 0); - switch (mdev->type) { - case G200_SE_A: - case G200_SE_B: - case G200_EV: - case G200_WB: - case G200_EW3: - data = 1; - clock = 2; - break; - case G200_EH: - case G200_EH3: - case G200_ER: - data = 2; - clock = 1; - break; - default: - data = 2; - clock = 8; - break; - } - - i2c->data = data; - i2c->clock = clock; + i2c->data = BIT(info->i2c.data_bit); + i2c->clock = BIT(info->i2c.clock_bit); i2c->adapter.owner = THIS_MODULE; i2c->adapter.class = I2C_CLASS_DDC; i2c->adapter.dev.parent = dev->dev; -- 2.36.1
