diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/tc358767.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 195 |
1 files changed, 148 insertions, 47 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 615cc8f950..166f9a3e96 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -41,8 +41,24 @@ /* Registers */ +/* DSI D-PHY Layer registers */ +#define D0W_DPHYCONTTX 0x0004 +#define CLW_DPHYCONTTX 0x0020 +#define D0W_DPHYCONTRX 0x0024 +#define D1W_DPHYCONTRX 0x0028 +#define D2W_DPHYCONTRX 0x002c +#define D3W_DPHYCONTRX 0x0030 +#define COM_DPHYCONTRX 0x0038 +#define CLW_CNTRL 0x0040 +#define D0W_CNTRL 0x0044 +#define D1W_CNTRL 0x0048 +#define D2W_CNTRL 0x004c +#define D3W_CNTRL 0x0050 +#define TESTMODE_CNTRL 0x0054 + /* PPI layer registers */ #define PPI_STARTPPI 0x0104 /* START control bit */ +#define PPI_BUSYPPI 0x0108 /* PPI busy status */ #define PPI_LPTXTIMECNT 0x0114 /* LPTX timing signal */ #define LPX_PERIOD 3 #define PPI_LANEENABLE 0x0134 @@ -59,6 +75,7 @@ /* DSI layer registers */ #define DSI_STARTDSI 0x0204 /* START control bit of DSI-TX */ +#define DSI_BUSYDSI 0x0208 /* DSI busy status */ #define DSI_LANEENABLE 0x0210 /* Enables each lane */ #define DSI_RX_START BIT(0) @@ -69,6 +86,20 @@ #define LANEENABLE_L2EN BIT(1) #define LANEENABLE_L3EN BIT(2) +#define DSI_LANESTATUS0 0x0214 /* DSI lane status 0 */ +#define DSI_LANESTATUS1 0x0218 /* DSI lane status 1 */ +#define DSI_INTSTATUS 0x0220 /* Interrupt Status */ +#define DSI_INTMASK 0x0224 /* Interrupt Mask */ +#define DSI_INTCLR 0x0228 /* Interrupt Clear */ +#define DSI_LPTXTO 0x0230 /* LPTX Time Out Counter */ + +/* DSI General Registers */ +#define DSIERRCNT 0x0300 /* DSI Error Count Register */ + +/* DSI Application Layer Registers */ +#define APLCTRL 0x0400 /* Application layer Control Register */ +#define RDPKTLN 0x0404 /* DSI Read packet Length Register */ + /* Display Parallel Input Interface */ #define DPIPXLFMT 0x0440 #define VS_POL_ACTIVE_LOW (1 << 10) @@ -114,35 +145,39 @@ #define VFUEN BIT(0) /* Video Frame Timing Upload */ /* System */ -#define TC_IDREG 0x0500 -#define SYSSTAT 0x0508 -#define SYSCTRL 0x0510 -#define DP0_AUDSRC_NO_INPUT (0 << 3) -#define DP0_AUDSRC_I2S_RX (1 << 3) -#define DP0_VIDSRC_NO_INPUT (0 << 0) -#define DP0_VIDSRC_DSI_RX (1 << 0) -#define DP0_VIDSRC_DPI_RX (2 << 0) -#define DP0_VIDSRC_COLOR_BAR (3 << 0) -#define SYSRSTENB 0x050c +#define TC_IDREG 0x0500 /* Chip ID and Revision ID */ +#define SYSBOOT 0x0504 /* System BootStrap Status Register */ +#define SYSSTAT 0x0508 /* System Status Register */ +#define SYSRSTENB 0x050c /* System Reset/Enable Register */ #define ENBI2C (1 << 0) #define ENBLCD0 (1 << 2) #define ENBBM (1 << 3) #define ENBDSIRX (1 << 4) #define ENBREG (1 << 5) #define ENBHDCP (1 << 8) -#define GPIOM 0x0540 -#define GPIOC 0x0544 -#define GPIOO 0x0548 -#define GPIOI 0x054c -#define INTCTL_G 0x0560 -#define INTSTS_G 0x0564 +#define SYSCTRL 0x0510 /* System Control Register */ +#define DP0_AUDSRC_NO_INPUT (0 << 3) +#define DP0_AUDSRC_I2S_RX (1 << 3) +#define DP0_VIDSRC_NO_INPUT (0 << 0) +#define DP0_VIDSRC_DSI_RX (1 << 0) +#define DP0_VIDSRC_DPI_RX (2 << 0) +#define DP0_VIDSRC_COLOR_BAR (3 << 0) +#define GPIOM 0x0540 /* GPIO Mode Control Register */ +#define GPIOC 0x0544 /* GPIO Direction Control Register */ +#define GPIOO 0x0548 /* GPIO Output Register */ +#define GPIOI 0x054c /* GPIO Input Register */ +#define INTCTL_G 0x0560 /* General Interrupts Control Register */ +#define INTSTS_G 0x0564 /* General Interrupts Status Register */ #define INT_SYSERR BIT(16) #define INT_GPIO_H(x) (1 << (x == 0 ? 2 : 10)) #define INT_GPIO_LC(x) (1 << (x == 0 ? 3 : 11)) -#define INT_GP0_LCNT 0x0584 -#define INT_GP1_LCNT 0x0588 +#define TEST_INT_C 0x0570 /* Test Interrupts Control Register */ +#define TEST_INT_S 0x0574 /* Test Interrupts Status Register */ + +#define INT_GP0_LCNT 0x0584 /* Interrupt GPIO0 Low Count Value Register */ +#define INT_GP1_LCNT 0x0588 /* Interrupt GPIO1 Low Count Value Register */ /* Control */ #define DP0CTL 0x0600 @@ -152,9 +187,12 @@ #define DP_EN BIT(0) /* Enable DPTX function */ /* Clocks */ -#define DP0_VIDMNGEN0 0x0610 -#define DP0_VIDMNGEN1 0x0614 -#define DP0_VMNGENSTATUS 0x0618 +#define DP0_VIDMNGEN0 0x0610 /* DP0 Video Force M Value Register */ +#define DP0_VIDMNGEN1 0x0614 /* DP0 Video Force N Value Register */ +#define DP0_VMNGENSTATUS 0x0618 /* DP0 Video Current M Value Register */ +#define DP0_AUDMNGEN0 0x0628 /* DP0 Audio Force M Value Register */ +#define DP0_AUDMNGEN1 0x062c /* DP0 Audio Force N Value Register */ +#define DP0_AMNGENSTATUS 0x0630 /* DP0 Audio Current M Value Register */ /* Main Channel */ #define DP0_SECSAMPLE 0x0640 @@ -224,8 +262,22 @@ #define DP0_SNKLTCHGREQ 0x06d4 #define DP0_LTLOOPCTRL 0x06d8 #define DP0_SNKLTCTRL 0x06e4 - -#define DP1_SRCCTRL 0x07a0 +#define DP0_TPATDAT0 0x06e8 /* DP0 Test Pattern bits 29 to 0 */ +#define DP0_TPATDAT1 0x06ec /* DP0 Test Pattern bits 59 to 30 */ +#define DP0_TPATDAT2 0x06f0 /* DP0 Test Pattern bits 89 to 60 */ +#define DP0_TPATDAT3 0x06f4 /* DP0 Test Pattern bits 119 to 90 */ + +#define AUDCFG0 0x0700 /* DP0 Audio Config0 Register */ +#define AUDCFG1 0x0704 /* DP0 Audio Config1 Register */ +#define AUDIFDATA0 0x0708 /* DP0 Audio Info Frame Bytes 3 to 0 */ +#define AUDIFDATA1 0x070c /* DP0 Audio Info Frame Bytes 7 to 4 */ +#define AUDIFDATA2 0x0710 /* DP0 Audio Info Frame Bytes 11 to 8 */ +#define AUDIFDATA3 0x0714 /* DP0 Audio Info Frame Bytes 15 to 12 */ +#define AUDIFDATA4 0x0718 /* DP0 Audio Info Frame Bytes 19 to 16 */ +#define AUDIFDATA5 0x071c /* DP0 Audio Info Frame Bytes 23 to 20 */ +#define AUDIFDATA6 0x0720 /* DP0 Audio Info Frame Bytes 27 to 24 */ + +#define DP1_SRCCTRL 0x07a0 /* DP1 Control Register */ /* PHY */ #define DP_PHY_CTRL 0x0800 @@ -238,6 +290,25 @@ #define PHY_2LANE BIT(2) /* PHY Enable 2 lanes */ #define PHY_A0_EN BIT(1) /* PHY Aux Channel0 Enable */ #define PHY_M0_EN BIT(0) /* PHY Main Channel0 Enable */ +#define DP_PHY_CFG_WR 0x0810 /* DP PHY Configuration Test Write Register */ +#define DP_PHY_CFG_RD 0x0814 /* DP PHY Configuration Test Read Register */ +#define DP0_AUX_PHY_CTRL 0x0820 /* DP0 AUX PHY Control Register */ +#define DP0_MAIN_PHY_DBG 0x0840 /* DP0 Main PHY Test Debug Register */ + +/* I2S */ +#define I2SCFG 0x0880 /* I2S Audio Config 0 Register */ +#define I2SCH0STAT0 0x0888 /* I2S Audio Channel 0 Status Bytes 3 to 0 */ +#define I2SCH0STAT1 0x088c /* I2S Audio Channel 0 Status Bytes 7 to 4 */ +#define I2SCH0STAT2 0x0890 /* I2S Audio Channel 0 Status Bytes 11 to 8 */ +#define I2SCH0STAT3 0x0894 /* I2S Audio Channel 0 Status Bytes 15 to 12 */ +#define I2SCH0STAT4 0x0898 /* I2S Audio Channel 0 Status Bytes 19 to 16 */ +#define I2SCH0STAT5 0x089c /* I2S Audio Channel 0 Status Bytes 23 to 20 */ +#define I2SCH1STAT0 0x08a0 /* I2S Audio Channel 1 Status Bytes 3 to 0 */ +#define I2SCH1STAT1 0x08a4 /* I2S Audio Channel 1 Status Bytes 7 to 4 */ +#define I2SCH1STAT2 0x08a8 /* I2S Audio Channel 1 Status Bytes 11 to 8 */ +#define I2SCH1STAT3 0x08ac /* I2S Audio Channel 1 Status Bytes 15 to 12 */ +#define I2SCH1STAT4 0x08b0 /* I2S Audio Channel 1 Status Bytes 19 to 16 */ +#define I2SCH1STAT5 0x08b4 /* I2S Audio Channel 1 Status Bytes 23 to 20 */ /* PLL */ #define DP0_PLLCTRL 0x0900 @@ -546,9 +617,14 @@ static int tc_pxl_pll_en(struct tc_data *tc, u32 refclk, u32 pixelclock) continue; for (i_post = 0; i_post < ARRAY_SIZE(ext_div); i_post++) { for (div = 1; div <= 16; div++) { - u32 clk; + u32 clk, iclk; u64 tmp; + /* PCLK PLL input unit clock ... 6..40 MHz */ + iclk = refclk / (div * ext_div[i_pre]); + if (iclk < 6000000 || iclk > 40000000) + continue; + tmp = pixelclock * ext_div[i_pre] * ext_div[i_post] * div; do_div(tmp, refclk); @@ -1575,19 +1651,19 @@ static void tc_bridge_mode_set(struct drm_bridge *bridge, drm_mode_copy(&tc->mode, mode); } -static struct edid *tc_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *tc_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct tc_data *tc = bridge_to_tc(bridge); - return drm_get_edid(connector, &tc->aux.ddc); + return drm_edid_read_ddc(connector, &tc->aux.ddc); } static int tc_connector_get_modes(struct drm_connector *connector) { struct tc_data *tc = connector_to_tc(connector); int num_modes; - struct edid *edid; + const struct drm_edid *drm_edid; int ret; ret = tc_get_display_props(tc); @@ -1602,9 +1678,10 @@ static int tc_connector_get_modes(struct drm_connector *connector) return num_modes; } - edid = tc_get_edid(&tc->bridge, connector); - num_modes = drm_add_edid_modes(connector, edid); - kfree(edid); + drm_edid = tc_edid_read(&tc->bridge, connector); + drm_edid_connector_update(connector, drm_edid); + num_modes = drm_edid_connector_add_modes(connector); + drm_edid_free(drm_edid); return num_modes; } @@ -1773,7 +1850,7 @@ static const struct drm_bridge_funcs tc_edp_bridge_funcs = { .atomic_enable = tc_edp_bridge_atomic_enable, .atomic_disable = tc_edp_bridge_atomic_disable, .detect = tc_bridge_detect, - .get_edid = tc_get_edid, + .edid_read = tc_edid_read, .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, .atomic_reset = drm_atomic_helper_bridge_reset, @@ -1833,16 +1910,16 @@ static bool tc_readable_reg(struct device *dev, unsigned int reg) case 0x1f4: /* DSI Protocol Layer */ case DSI_STARTDSI: - case 0x208: + case DSI_BUSYDSI: case DSI_LANEENABLE: - case 0x214: - case 0x218: - case 0x220: + case DSI_LANESTATUS0: + case DSI_LANESTATUS1: + case DSI_INTSTATUS: case 0x224: case 0x228: case 0x230: /* DSI General */ - case 0x300: + case DSIERRCNT: /* DSI Application Layer */ case 0x400: case 0x404: @@ -1978,13 +2055,20 @@ static bool tc_readable_reg(struct device *dev, unsigned int reg) } static const struct regmap_range tc_volatile_ranges[] = { + regmap_reg_range(PPI_BUSYPPI, PPI_BUSYPPI), + regmap_reg_range(DSI_BUSYDSI, DSI_BUSYDSI), + regmap_reg_range(DSI_LANESTATUS0, DSI_INTSTATUS), + regmap_reg_range(DSIERRCNT, DSIERRCNT), + regmap_reg_range(VFUEN0, VFUEN0), + regmap_reg_range(SYSSTAT, SYSSTAT), + regmap_reg_range(GPIOI, GPIOI), + regmap_reg_range(INTSTS_G, INTSTS_G), + regmap_reg_range(DP0_VMNGENSTATUS, DP0_VMNGENSTATUS), + regmap_reg_range(DP0_AMNGENSTATUS, DP0_AMNGENSTATUS), regmap_reg_range(DP0_AUXWDATA(0), DP0_AUXSTATUS), regmap_reg_range(DP0_LTSTAT, DP0_SNKLTCHGREQ), regmap_reg_range(DP_PHY_CTRL, DP_PHY_CTRL), regmap_reg_range(DP0_PLLCTRL, PXL_PLLCTRL), - regmap_reg_range(VFUEN0, VFUEN0), - regmap_reg_range(INTSTS_G, INTSTS_G), - regmap_reg_range(GPIOI, GPIOI), }; static const struct regmap_access_table tc_volatile_table = { @@ -1992,12 +2076,28 @@ static const struct regmap_access_table tc_volatile_table = { .n_yes_ranges = ARRAY_SIZE(tc_volatile_ranges), }; -static bool tc_writeable_reg(struct device *dev, unsigned int reg) -{ - return (reg != TC_IDREG) && - (reg != DP0_LTSTAT) && - (reg != DP0_SNKLTCHGREQ); -} +static const struct regmap_range tc_precious_ranges[] = { + regmap_reg_range(SYSSTAT, SYSSTAT), +}; + +static const struct regmap_access_table tc_precious_table = { + .yes_ranges = tc_precious_ranges, + .n_yes_ranges = ARRAY_SIZE(tc_precious_ranges), +}; + +static const struct regmap_range tc_non_writeable_ranges[] = { + regmap_reg_range(PPI_BUSYPPI, PPI_BUSYPPI), + regmap_reg_range(DSI_BUSYDSI, DSI_BUSYDSI), + regmap_reg_range(DSI_LANESTATUS0, DSI_INTSTATUS), + regmap_reg_range(TC_IDREG, SYSSTAT), + regmap_reg_range(GPIOI, GPIOI), + regmap_reg_range(DP0_LTSTAT, DP0_SNKLTCHGREQ), +}; + +static const struct regmap_access_table tc_writeable_table = { + .no_ranges = tc_non_writeable_ranges, + .n_no_ranges = ARRAY_SIZE(tc_non_writeable_ranges), +}; static const struct regmap_config tc_regmap_config = { .name = "tc358767", @@ -2008,7 +2108,8 @@ static const struct regmap_config tc_regmap_config = { .cache_type = REGCACHE_MAPLE, .readable_reg = tc_readable_reg, .volatile_table = &tc_volatile_table, - .writeable_reg = tc_writeable_reg, + .precious_table = &tc_precious_table, + .wr_table = &tc_writeable_table, .reg_format_endian = REGMAP_ENDIAN_BIG, .val_format_endian = REGMAP_ENDIAN_LITTLE, }; |