| // SPDX-License-Identifier: MIT |
| |
| #include <drm/drm_device.h> |
| |
| #include "radeon.h" |
| |
| /* |
| * Integrated TV out support based on the GATOS code by |
| * Federico Ulivi <fulivi@lycos.com> |
| */ |
| |
| |
| /* |
| * Limits of h/v positions (hPos & vPos) |
| */ |
| #define MAX_H_POSITION 5 /* Range: [-5..5], negative is on the left, 0 is default, positive is on the right */ |
| #define MAX_V_POSITION 5 /* Range: [-5..5], negative is up, 0 is default, positive is down */ |
| |
| /* |
| * Unit for hPos (in TV clock periods) |
| */ |
| #define H_POS_UNIT 10 |
| |
| /* |
| * Indexes in h. code timing table for horizontal line position adjustment |
| */ |
| #define H_TABLE_POS1 6 |
| #define H_TABLE_POS2 8 |
| |
| /* |
| * Limits of hor. size (hSize) |
| */ |
| #define MAX_H_SIZE 5 /* Range: [-5..5], negative is smaller, positive is larger */ |
| |
| /* tv standard constants */ |
| #define NTSC_TV_CLOCK_T 233 |
| #define NTSC_TV_VFTOTAL 1 |
| #define NTSC_TV_LINES_PER_FRAME 525 |
| #define NTSC_TV_ZERO_H_SIZE 479166 |
| #define NTSC_TV_H_SIZE_UNIT 9478 |
| |
| #define PAL_TV_CLOCK_T 188 |
| #define PAL_TV_VFTOTAL 3 |
| #define PAL_TV_LINES_PER_FRAME 625 |
| #define PAL_TV_ZERO_H_SIZE 473200 |
| #define PAL_TV_H_SIZE_UNIT 9360 |
| |
| /* tv pll setting for 27 mhz ref clk */ |
| #define NTSC_TV_PLL_M_27 22 |
| #define NTSC_TV_PLL_N_27 175 |
| #define NTSC_TV_PLL_P_27 5 |
| |
| #define PAL_TV_PLL_M_27 113 |
| #define PAL_TV_PLL_N_27 668 |
| #define PAL_TV_PLL_P_27 3 |
| |
| /* tv pll setting for 14 mhz ref clk */ |
| #define NTSC_TV_PLL_M_14 33 |
| #define NTSC_TV_PLL_N_14 693 |
| #define NTSC_TV_PLL_P_14 7 |
| |
| #define PAL_TV_PLL_M_14 19 |
| #define PAL_TV_PLL_N_14 353 |
| #define PAL_TV_PLL_P_14 5 |
| |
| #define VERT_LEAD_IN_LINES 2 |
| #define FRAC_BITS 0xe |
| #define FRAC_MASK 0x3fff |
| |
| struct radeon_tv_mode_constants { |
| uint16_t hor_resolution; |
| uint16_t ver_resolution; |
| enum radeon_tv_std standard; |
| uint16_t hor_total; |
| uint16_t ver_total; |
| uint16_t hor_start; |
| uint16_t hor_syncstart; |
| uint16_t ver_syncstart; |
| unsigned def_restart; |
| uint16_t crtcPLL_N; |
| uint8_t crtcPLL_M; |
| uint8_t crtcPLL_post_div; |
| unsigned pix_to_tv; |
| }; |
| |
| static const uint16_t hor_timing_NTSC[MAX_H_CODE_TIMING_LEN] = { |
| 0x0007, |
| 0x003f, |
| 0x0263, |
| 0x0a24, |
| 0x2a6b, |
| 0x0a36, |
| 0x126d, /* H_TABLE_POS1 */ |
| 0x1bfe, |
| 0x1a8f, /* H_TABLE_POS2 */ |
| 0x1ec7, |
| 0x3863, |
| 0x1bfe, |
| 0x1bfe, |
| 0x1a2a, |
| 0x1e95, |
| 0x0e31, |
| 0x201b, |
| 0 |
| }; |
| |
| static const uint16_t vert_timing_NTSC[MAX_V_CODE_TIMING_LEN] = { |
| 0x2001, |
| 0x200d, |
| 0x1006, |
| 0x0c06, |
| 0x1006, |
| 0x1818, |
| 0x21e3, |
| 0x1006, |
| 0x0c06, |
| 0x1006, |
| 0x1817, |
| 0x21d4, |
| 0x0002, |
| 0 |
| }; |
| |
| static const uint16_t hor_timing_PAL[MAX_H_CODE_TIMING_LEN] = { |
| 0x0007, |
| 0x0058, |
| 0x027c, |
| 0x0a31, |
| 0x2a77, |
| 0x0a95, |
| 0x124f, /* H_TABLE_POS1 */ |
| 0x1bfe, |
| 0x1b22, /* H_TABLE_POS2 */ |
| 0x1ef9, |
| 0x387c, |
| 0x1bfe, |
| 0x1bfe, |
| 0x1b31, |
| 0x1eb5, |
| 0x0e43, |
| 0x201b, |
| 0 |
| }; |
| |
| static const uint16_t vert_timing_PAL[MAX_V_CODE_TIMING_LEN] = { |
| 0x2001, |
| 0x200c, |
| 0x1005, |
| 0x0c05, |
| 0x1005, |
| 0x1401, |
| 0x1821, |
| 0x2240, |
| 0x1005, |
| 0x0c05, |
| 0x1005, |
| 0x1401, |
| 0x1822, |
| 0x2230, |
| 0x0002, |
| 0 |
| }; |
| |
| /********************************************************************** |
| * |
| * availableModes |
| * |
| * Table of all allowed modes for tv output |
| * |
| **********************************************************************/ |
| static const struct radeon_tv_mode_constants available_tv_modes[] = { |
| { /* NTSC timing for 27 Mhz ref clk */ |
| 800, /* horResolution */ |
| 600, /* verResolution */ |
| TV_STD_NTSC, /* standard */ |
| 990, /* horTotal */ |
| 740, /* verTotal */ |
| 813, /* horStart */ |
| 824, /* horSyncStart */ |
| 632, /* verSyncStart */ |
| 625592, /* defRestart */ |
| 592, /* crtcPLL_N */ |
| 91, /* crtcPLL_M */ |
| 4, /* crtcPLL_postDiv */ |
| 1022, /* pixToTV */ |
| }, |
| { /* PAL timing for 27 Mhz ref clk */ |
| 800, /* horResolution */ |
| 600, /* verResolution */ |
| TV_STD_PAL, /* standard */ |
| 1144, /* horTotal */ |
| 706, /* verTotal */ |
| 812, /* horStart */ |
| 824, /* horSyncStart */ |
| 669, /* verSyncStart */ |
| 696700, /* defRestart */ |
| 1382, /* crtcPLL_N */ |
| 231, /* crtcPLL_M */ |
| 4, /* crtcPLL_postDiv */ |
| 759, /* pixToTV */ |
| }, |
| { /* NTSC timing for 14 Mhz ref clk */ |
| 800, /* horResolution */ |
| 600, /* verResolution */ |
| TV_STD_NTSC, /* standard */ |
| 1018, /* horTotal */ |
| 727, /* verTotal */ |
| 813, /* horStart */ |
| 840, /* horSyncStart */ |
| 633, /* verSyncStart */ |
| 630627, /* defRestart */ |
| 347, /* crtcPLL_N */ |
| 14, /* crtcPLL_M */ |
| 8, /* crtcPLL_postDiv */ |
| 1022, /* pixToTV */ |
| }, |
| { /* PAL timing for 14 Mhz ref clk */ |
| 800, /* horResolution */ |
| 600, /* verResolution */ |
| TV_STD_PAL, /* standard */ |
| 1131, /* horTotal */ |
| 742, /* verTotal */ |
| 813, /* horStart */ |
| 840, /* horSyncStart */ |
| 633, /* verSyncStart */ |
| 708369, /* defRestart */ |
| 211, /* crtcPLL_N */ |
| 9, /* crtcPLL_M */ |
| 8, /* crtcPLL_postDiv */ |
| 759, /* pixToTV */ |
| }, |
| }; |
| |
| #define N_AVAILABLE_MODES ARRAY_SIZE(available_tv_modes) |
| |
| static const struct radeon_tv_mode_constants *radeon_legacy_tv_get_std_mode(struct radeon_encoder *radeon_encoder, |
| uint16_t *pll_ref_freq) |
| { |
| struct drm_device *dev = radeon_encoder->base.dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_crtc *radeon_crtc; |
| struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; |
| const struct radeon_tv_mode_constants *const_ptr; |
| struct radeon_pll *pll; |
| |
| radeon_crtc = to_radeon_crtc(radeon_encoder->base.crtc); |
| if (radeon_crtc->crtc_id == 1) |
| pll = &rdev->clock.p2pll; |
| else |
| pll = &rdev->clock.p1pll; |
| |
| if (pll_ref_freq) |
| *pll_ref_freq = pll->reference_freq; |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M) { |
| if (pll->reference_freq == 2700) |
| const_ptr = &available_tv_modes[0]; |
| else |
| const_ptr = &available_tv_modes[2]; |
| } else { |
| if (pll->reference_freq == 2700) |
| const_ptr = &available_tv_modes[1]; |
| else |
| const_ptr = &available_tv_modes[3]; |
| } |
| return const_ptr; |
| } |
| |
| static long YCOEF_value[5] = { 2, 2, 0, 4, 0 }; |
| static long YCOEF_EN_value[5] = { 1, 1, 0, 1, 0 }; |
| static long SLOPE_value[5] = { 1, 2, 2, 4, 8 }; |
| static long SLOPE_limit[5] = { 6, 5, 4, 3, 2 }; |
| |
| static void radeon_wait_pll_lock(struct drm_encoder *encoder, unsigned n_tests, |
| unsigned n_wait_loops, unsigned cnt_threshold) |
| { |
| struct drm_device *dev = encoder->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| uint32_t save_pll_test; |
| unsigned int i, j; |
| |
| WREG32(RADEON_TEST_DEBUG_MUX, (RREG32(RADEON_TEST_DEBUG_MUX) & 0xffff60ff) | 0x100); |
| save_pll_test = RREG32_PLL(RADEON_PLL_TEST_CNTL); |
| WREG32_PLL(RADEON_PLL_TEST_CNTL, save_pll_test & ~RADEON_PLL_MASK_READ_B); |
| |
| WREG8(RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_TEST_CNTL); |
| for (i = 0; i < n_tests; i++) { |
| WREG8(RADEON_CLOCK_CNTL_DATA + 3, 0); |
| for (j = 0; j < n_wait_loops; j++) |
| if (RREG8(RADEON_CLOCK_CNTL_DATA + 3) >= cnt_threshold) |
| break; |
| } |
| WREG32_PLL(RADEON_PLL_TEST_CNTL, save_pll_test); |
| WREG32(RADEON_TEST_DEBUG_MUX, RREG32(RADEON_TEST_DEBUG_MUX) & 0xffffe0ff); |
| } |
| |
| |
| static void radeon_legacy_tv_write_fifo(struct radeon_encoder *radeon_encoder, |
| uint16_t addr, uint32_t value) |
| { |
| struct drm_device *dev = radeon_encoder->base.dev; |
| struct radeon_device *rdev = dev->dev_private; |
| uint32_t tmp; |
| int i = 0; |
| |
| WREG32(RADEON_TV_HOST_WRITE_DATA, value); |
| |
| WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr); |
| WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr | RADEON_HOST_FIFO_WT); |
| |
| do { |
| tmp = RREG32(RADEON_TV_HOST_RD_WT_CNTL); |
| if ((tmp & RADEON_HOST_FIFO_WT_ACK) == 0) |
| break; |
| i++; |
| } while (i < 10000); |
| WREG32(RADEON_TV_HOST_RD_WT_CNTL, 0); |
| } |
| |
| #if 0 /* included for completeness */ |
| static uint32_t radeon_legacy_tv_read_fifo(struct radeon_encoder *radeon_encoder, uint16_t addr) |
| { |
| struct drm_device *dev = radeon_encoder->base.dev; |
| struct radeon_device *rdev = dev->dev_private; |
| uint32_t tmp; |
| int i = 0; |
| |
| WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr); |
| WREG32(RADEON_TV_HOST_RD_WT_CNTL, addr | RADEON_HOST_FIFO_RD); |
| |
| do { |
| tmp = RREG32(RADEON_TV_HOST_RD_WT_CNTL); |
| if ((tmp & RADEON_HOST_FIFO_RD_ACK) == 0) |
| break; |
| i++; |
| } while (i < 10000); |
| WREG32(RADEON_TV_HOST_RD_WT_CNTL, 0); |
| return RREG32(RADEON_TV_HOST_READ_DATA); |
| } |
| #endif |
| |
| static uint16_t radeon_get_htiming_tables_addr(uint32_t tv_uv_adr) |
| { |
| uint16_t h_table; |
| |
| switch ((tv_uv_adr & RADEON_HCODE_TABLE_SEL_MASK) >> RADEON_HCODE_TABLE_SEL_SHIFT) { |
| case 0: |
| h_table = RADEON_TV_MAX_FIFO_ADDR_INTERNAL; |
| break; |
| case 1: |
| h_table = ((tv_uv_adr & RADEON_TABLE1_BOT_ADR_MASK) >> RADEON_TABLE1_BOT_ADR_SHIFT) * 2; |
| break; |
| case 2: |
| h_table = ((tv_uv_adr & RADEON_TABLE3_TOP_ADR_MASK) >> RADEON_TABLE3_TOP_ADR_SHIFT) * 2; |
| break; |
| default: |
| h_table = 0; |
| break; |
| } |
| return h_table; |
| } |
| |
| static uint16_t radeon_get_vtiming_tables_addr(uint32_t tv_uv_adr) |
| { |
| uint16_t v_table; |
| |
| switch ((tv_uv_adr & RADEON_VCODE_TABLE_SEL_MASK) >> RADEON_VCODE_TABLE_SEL_SHIFT) { |
| case 0: |
| v_table = ((tv_uv_adr & RADEON_MAX_UV_ADR_MASK) >> RADEON_MAX_UV_ADR_SHIFT) * 2 + 1; |
| break; |
| case 1: |
| v_table = ((tv_uv_adr & RADEON_TABLE1_BOT_ADR_MASK) >> RADEON_TABLE1_BOT_ADR_SHIFT) * 2 + 1; |
| break; |
| case 2: |
| v_table = ((tv_uv_adr & RADEON_TABLE3_TOP_ADR_MASK) >> RADEON_TABLE3_TOP_ADR_SHIFT) * 2 + 1; |
| break; |
| default: |
| v_table = 0; |
| break; |
| } |
| return v_table; |
| } |
| |
| static void radeon_restore_tv_timing_tables(struct radeon_encoder *radeon_encoder) |
| { |
| struct drm_device *dev = radeon_encoder->base.dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; |
| uint16_t h_table, v_table; |
| uint32_t tmp; |
| int i; |
| |
| WREG32(RADEON_TV_UV_ADR, tv_dac->tv.tv_uv_adr); |
| h_table = radeon_get_htiming_tables_addr(tv_dac->tv.tv_uv_adr); |
| v_table = radeon_get_vtiming_tables_addr(tv_dac->tv.tv_uv_adr); |
| |
| for (i = 0; i < MAX_H_CODE_TIMING_LEN; i += 2, h_table--) { |
| tmp = ((uint32_t)tv_dac->tv.h_code_timing[i] << 14) | ((uint32_t)tv_dac->tv.h_code_timing[i+1]); |
| radeon_legacy_tv_write_fifo(radeon_encoder, h_table, tmp); |
| if (tv_dac->tv.h_code_timing[i] == 0 || tv_dac->tv.h_code_timing[i + 1] == 0) |
| break; |
| } |
| for (i = 0; i < MAX_V_CODE_TIMING_LEN; i += 2, v_table++) { |
| tmp = ((uint32_t)tv_dac->tv.v_code_timing[i+1] << 14) | ((uint32_t)tv_dac->tv.v_code_timing[i]); |
| radeon_legacy_tv_write_fifo(radeon_encoder, v_table, tmp); |
| if (tv_dac->tv.v_code_timing[i] == 0 || tv_dac->tv.v_code_timing[i + 1] == 0) |
| break; |
| } |
| } |
| |
| static void radeon_legacy_write_tv_restarts(struct radeon_encoder *radeon_encoder) |
| { |
| struct drm_device *dev = radeon_encoder->base.dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; |
| WREG32(RADEON_TV_FRESTART, tv_dac->tv.frestart); |
| WREG32(RADEON_TV_HRESTART, tv_dac->tv.hrestart); |
| WREG32(RADEON_TV_VRESTART, tv_dac->tv.vrestart); |
| } |
| |
| static bool radeon_legacy_tv_init_restarts(struct drm_encoder *encoder) |
| { |
| struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
| struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; |
| int restart; |
| unsigned int h_total, v_total, f_total; |
| int v_offset, h_offset; |
| u16 p1, p2, h_inc; |
| bool h_changed; |
| const struct radeon_tv_mode_constants *const_ptr; |
| |
| const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL); |
| if (!const_ptr) |
| return false; |
| |
| h_total = const_ptr->hor_total; |
| v_total = const_ptr->ver_total; |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M || |
| tv_dac->tv_std == TV_STD_PAL_60) |
| f_total = NTSC_TV_VFTOTAL + 1; |
| else |
| f_total = PAL_TV_VFTOTAL + 1; |
| |
| /* adjust positions 1&2 in hor. cod timing table */ |
| h_offset = tv_dac->h_pos * H_POS_UNIT; |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M) { |
| h_offset -= 50; |
| p1 = hor_timing_NTSC[H_TABLE_POS1]; |
| p2 = hor_timing_NTSC[H_TABLE_POS2]; |
| } else { |
| p1 = hor_timing_PAL[H_TABLE_POS1]; |
| p2 = hor_timing_PAL[H_TABLE_POS2]; |
| } |
| |
| p1 = (u16)((int)p1 + h_offset); |
| p2 = (u16)((int)p2 - h_offset); |
| |
| h_changed = (p1 != tv_dac->tv.h_code_timing[H_TABLE_POS1] || |
| p2 != tv_dac->tv.h_code_timing[H_TABLE_POS2]); |
| |
| tv_dac->tv.h_code_timing[H_TABLE_POS1] = p1; |
| tv_dac->tv.h_code_timing[H_TABLE_POS2] = p2; |
| |
| /* Convert hOffset from n. of TV clock periods to n. of CRTC clock periods (CRTC pixels) */ |
| h_offset = (h_offset * (int)(const_ptr->pix_to_tv)) / 1000; |
| |
| /* adjust restart */ |
| restart = const_ptr->def_restart; |
| |
| /* |
| * convert v_pos TV lines to n. of CRTC pixels |
| */ |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M || |
| tv_dac->tv_std == TV_STD_PAL_60) |
| v_offset = ((int)(v_total * h_total) * 2 * tv_dac->v_pos) / (int)(NTSC_TV_LINES_PER_FRAME); |
| else |
| v_offset = ((int)(v_total * h_total) * 2 * tv_dac->v_pos) / (int)(PAL_TV_LINES_PER_FRAME); |
| |
| restart -= v_offset + h_offset; |
| |
| DRM_DEBUG_KMS("compute_restarts: def = %u h = %d v = %d, p1 = %04x, p2 = %04x, restart = %d\n", |
| const_ptr->def_restart, tv_dac->h_pos, tv_dac->v_pos, p1, p2, restart); |
| |
| tv_dac->tv.hrestart = restart % h_total; |
| restart /= h_total; |
| tv_dac->tv.vrestart = restart % v_total; |
| restart /= v_total; |
| tv_dac->tv.frestart = restart % f_total; |
| |
| DRM_DEBUG_KMS("compute_restart: F/H/V=%u,%u,%u\n", |
| (unsigned)tv_dac->tv.frestart, |
| (unsigned)tv_dac->tv.vrestart, |
| (unsigned)tv_dac->tv.hrestart); |
| |
| /* compute h_inc from hsize */ |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M) |
| h_inc = (u16)((int)(const_ptr->hor_resolution * 4096 * NTSC_TV_CLOCK_T) / |
| (tv_dac->h_size * (int)(NTSC_TV_H_SIZE_UNIT) + (int)(NTSC_TV_ZERO_H_SIZE))); |
| else |
| h_inc = (u16)((int)(const_ptr->hor_resolution * 4096 * PAL_TV_CLOCK_T) / |
| (tv_dac->h_size * (int)(PAL_TV_H_SIZE_UNIT) + (int)(PAL_TV_ZERO_H_SIZE))); |
| |
| tv_dac->tv.timing_cntl = (tv_dac->tv.timing_cntl & ~RADEON_H_INC_MASK) | |
| ((u32)h_inc << RADEON_H_INC_SHIFT); |
| |
| DRM_DEBUG_KMS("compute_restart: h_size = %d h_inc = %d\n", tv_dac->h_size, h_inc); |
| |
| return h_changed; |
| } |
| |
| void radeon_legacy_tv_mode_set(struct drm_encoder *encoder, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode) |
| { |
| struct drm_device *dev = encoder->dev; |
| struct radeon_device *rdev = dev->dev_private; |
| struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
| struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; |
| const struct radeon_tv_mode_constants *const_ptr; |
| struct radeon_crtc *radeon_crtc; |
| int i; |
| uint16_t pll_ref_freq; |
| uint32_t vert_space, flicker_removal, tmp; |
| uint32_t tv_master_cntl, tv_rgb_cntl, tv_dac_cntl; |
| uint32_t tv_modulator_cntl1, tv_modulator_cntl2; |
| uint32_t tv_vscaler_cntl1, tv_vscaler_cntl2; |
| uint32_t tv_pll_cntl, tv_ftotal; |
| uint32_t tv_y_fall_cntl, tv_y_rise_cntl, tv_y_saw_tooth_cntl; |
| uint32_t m, n, p; |
| const uint16_t *hor_timing; |
| const uint16_t *vert_timing; |
| |
| const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, &pll_ref_freq); |
| if (!const_ptr) |
| return; |
| |
| radeon_crtc = to_radeon_crtc(encoder->crtc); |
| |
| tv_master_cntl = (RADEON_VIN_ASYNC_RST | |
| RADEON_CRT_FIFO_CE_EN | |
| RADEON_TV_FIFO_CE_EN | |
| RADEON_TV_ON); |
| |
| if (!ASIC_IS_R300(rdev)) |
| tv_master_cntl |= RADEON_TVCLK_ALWAYS_ONb; |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J) |
| tv_master_cntl |= RADEON_RESTART_PHASE_FIX; |
| |
| tv_modulator_cntl1 = (RADEON_SLEW_RATE_LIMIT | |
| RADEON_SYNC_TIP_LEVEL | |
| RADEON_YFLT_EN | |
| RADEON_UVFLT_EN | |
| (6 << RADEON_CY_FILT_BLEND_SHIFT)); |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J) { |
| tv_modulator_cntl1 |= (0x46 << RADEON_SET_UP_LEVEL_SHIFT) | |
| (0x3b << RADEON_BLANK_LEVEL_SHIFT); |
| tv_modulator_cntl2 = (-111 & RADEON_TV_U_BURST_LEVEL_MASK) | |
| ((0 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT); |
| } else if (tv_dac->tv_std == TV_STD_SCART_PAL) { |
| tv_modulator_cntl1 |= RADEON_ALT_PHASE_EN; |
| tv_modulator_cntl2 = (0 & RADEON_TV_U_BURST_LEVEL_MASK) | |
| ((0 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT); |
| } else { |
| tv_modulator_cntl1 |= RADEON_ALT_PHASE_EN | |
| (0x3b << RADEON_SET_UP_LEVEL_SHIFT) | |
| (0x3b << RADEON_BLANK_LEVEL_SHIFT); |
| tv_modulator_cntl2 = (-78 & RADEON_TV_U_BURST_LEVEL_MASK) | |
| ((62 & RADEON_TV_V_BURST_LEVEL_MASK) << RADEON_TV_V_BURST_LEVEL_SHIFT); |
| } |
| |
| |
| tv_rgb_cntl = (RADEON_RGB_DITHER_EN |
| | RADEON_TVOUT_SCALE_EN |
| | (0x0b << RADEON_UVRAM_READ_MARGIN_SHIFT) |
| | (0x07 << RADEON_FIFORAM_FFMACRO_READ_MARGIN_SHIFT) |
| | RADEON_RGB_ATTEN_SEL(0x3) |
| | RADEON_RGB_ATTEN_VAL(0xc)); |
| |
| if (radeon_crtc->crtc_id == 1) |
| tv_rgb_cntl |= RADEON_RGB_SRC_SEL_CRTC2; |
| else { |
| if (radeon_crtc->rmx_type != RMX_OFF) |
| tv_rgb_cntl |= RADEON_RGB_SRC_SEL_RMX; |
| else |
| tv_rgb_cntl |= RADEON_RGB_SRC_SEL_CRTC1; |
| } |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M || |
| tv_dac->tv_std == TV_STD_PAL_60) |
| vert_space = const_ptr->ver_total * 2 * 10000 / NTSC_TV_LINES_PER_FRAME; |
| else |
| vert_space = const_ptr->ver_total * 2 * 10000 / PAL_TV_LINES_PER_FRAME; |
| |
| tmp = RREG32(RADEON_TV_VSCALER_CNTL1); |
| tmp &= 0xe3ff0000; |
| tmp |= (vert_space * (1 << FRAC_BITS) / 10000); |
| tv_vscaler_cntl1 = tmp; |
| |
| if (pll_ref_freq == 2700) |
| tv_vscaler_cntl1 |= RADEON_RESTART_FIELD; |
| |
| if (const_ptr->hor_resolution == 1024) |
| tv_vscaler_cntl1 |= (4 << RADEON_Y_DEL_W_SIG_SHIFT); |
| else |
| tv_vscaler_cntl1 |= (2 << RADEON_Y_DEL_W_SIG_SHIFT); |
| |
| /* scale up for int divide */ |
| tmp = const_ptr->ver_total * 2 * 1000; |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M || |
| tv_dac->tv_std == TV_STD_PAL_60) { |
| tmp /= NTSC_TV_LINES_PER_FRAME; |
| } else { |
| tmp /= PAL_TV_LINES_PER_FRAME; |
| } |
| flicker_removal = (tmp + 500) / 1000; |
| |
| if (flicker_removal < 3) |
| flicker_removal = 3; |
| for (i = 0; i < ARRAY_SIZE(SLOPE_limit); ++i) { |
| if (flicker_removal == SLOPE_limit[i]) |
| break; |
| } |
| |
| tv_y_saw_tooth_cntl = (vert_space * SLOPE_value[i] * (1 << (FRAC_BITS - 1)) + |
| 5001) / 10000 / 8 | ((SLOPE_value[i] * |
| (1 << (FRAC_BITS - 1)) / 8) << 16); |
| tv_y_fall_cntl = |
| (YCOEF_EN_value[i] << 17) | ((YCOEF_value[i] * (1 << 8) / 8) << 24) | |
| RADEON_Y_FALL_PING_PONG | (272 * SLOPE_value[i] / 8) * (1 << (FRAC_BITS - 1)) / |
| 1024; |
| tv_y_rise_cntl = RADEON_Y_RISE_PING_PONG| |
| (flicker_removal * 1024 - 272) * SLOPE_value[i] / 8 * (1 << (FRAC_BITS - 1)) / 1024; |
| |
| tv_vscaler_cntl2 = RREG32(RADEON_TV_VSCALER_CNTL2) & 0x00fffff0; |
| tv_vscaler_cntl2 |= (0x10 << 24) | |
| RADEON_DITHER_MODE | |
| RADEON_Y_OUTPUT_DITHER_EN | |
| RADEON_UV_OUTPUT_DITHER_EN | |
| RADEON_UV_TO_BUF_DITHER_EN; |
| |
| tmp = (tv_vscaler_cntl1 >> RADEON_UV_INC_SHIFT) & RADEON_UV_INC_MASK; |
| tmp = ((16384 * 256 * 10) / tmp + 5) / 10; |
| tmp = (tmp << RADEON_UV_OUTPUT_POST_SCALE_SHIFT) | 0x000b0000; |
| tv_dac->tv.timing_cntl = tmp; |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M || |
| tv_dac->tv_std == TV_STD_PAL_60) |
| tv_dac_cntl = tv_dac->ntsc_tvdac_adj; |
| else |
| tv_dac_cntl = tv_dac->pal_tvdac_adj; |
| |
| tv_dac_cntl |= RADEON_TV_DAC_NBLANK | RADEON_TV_DAC_NHOLD; |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J) |
| tv_dac_cntl |= RADEON_TV_DAC_STD_NTSC; |
| else |
| tv_dac_cntl |= RADEON_TV_DAC_STD_PAL; |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J) { |
| if (pll_ref_freq == 2700) { |
| m = NTSC_TV_PLL_M_27; |
| n = NTSC_TV_PLL_N_27; |
| p = NTSC_TV_PLL_P_27; |
| } else { |
| m = NTSC_TV_PLL_M_14; |
| n = NTSC_TV_PLL_N_14; |
| p = NTSC_TV_PLL_P_14; |
| } |
| } else { |
| if (pll_ref_freq == 2700) { |
| m = PAL_TV_PLL_M_27; |
| n = PAL_TV_PLL_N_27; |
| p = PAL_TV_PLL_P_27; |
| } else { |
| m = PAL_TV_PLL_M_14; |
| n = PAL_TV_PLL_N_14; |
| p = PAL_TV_PLL_P_14; |
| } |
| } |
| |
| tv_pll_cntl = (m & RADEON_TV_M0LO_MASK) | |
| (((m >> 8) & RADEON_TV_M0HI_MASK) << RADEON_TV_M0HI_SHIFT) | |
| ((n & RADEON_TV_N0LO_MASK) << RADEON_TV_N0LO_SHIFT) | |
| (((n >> 9) & RADEON_TV_N0HI_MASK) << RADEON_TV_N0HI_SHIFT) | |
| ((p & RADEON_TV_P_MASK) << RADEON_TV_P_SHIFT); |
| |
| tv_dac->tv.tv_uv_adr = 0xc8; |
| |
| if (tv_dac->tv_std == TV_STD_NTSC || |
| tv_dac->tv_std == TV_STD_NTSC_J || |
| tv_dac->tv_std == TV_STD_PAL_M || |
| tv_dac->tv_std == TV_STD_PAL_60) { |
| tv_ftotal = NTSC_TV_VFTOTAL; |
| hor_timing = hor_timing_NTSC; |
| vert_timing = vert_timing_NTSC; |
| } else { |
| hor_timing = hor_timing_PAL; |
| vert_timing = vert_timing_PAL; |
| tv_ftotal = PAL_TV_VFTOTAL; |
| } |
| |
| for (i = 0; i < MAX_H_CODE_TIMING_LEN; i++) { |
| if ((tv_dac->tv.h_code_timing[i] = hor_timing[i]) == 0) |
| break; |
| } |
| |
| for (i = 0; i < MAX_V_CODE_TIMING_LEN; i++) { |
| if ((tv_dac->tv.v_code_timing[i] = vert_timing[i]) == 0) |
| break; |
| } |
| |
| radeon_legacy_tv_init_restarts(encoder); |
| |
| /* play with DAC_CNTL */ |
| /* play with GPIOPAD_A */ |
| /* DISP_OUTPUT_CNTL */ |
| /* use reference freq */ |
| |
| /* program the TV registers */ |
| WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST | |
| RADEON_CRT_ASYNC_RST | RADEON_TV_FIFO_ASYNC_RST)); |
| |
| tmp = RREG32(RADEON_TV_DAC_CNTL); |
| tmp &= ~RADEON_TV_DAC_NBLANK; |
| tmp |= RADEON_TV_DAC_BGSLEEP | |
| RADEON_TV_DAC_RDACPD | |
| RADEON_TV_DAC_GDACPD | |
| RADEON_TV_DAC_BDACPD; |
| WREG32(RADEON_TV_DAC_CNTL, tmp); |
| |
| /* TV PLL */ |
| WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVCLK_SRC_SEL_TVPLL); |
| WREG32_PLL(RADEON_TV_PLL_CNTL, tv_pll_cntl); |
| WREG32_PLL_P(RADEON_TV_PLL_CNTL1, RADEON_TVPLL_RESET, ~RADEON_TVPLL_RESET); |
| |
| radeon_wait_pll_lock(encoder, 200, 800, 135); |
| |
| WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVPLL_RESET); |
| |
| radeon_wait_pll_lock(encoder, 300, 160, 27); |
| radeon_wait_pll_lock(encoder, 200, 800, 135); |
| |
| WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~0xf); |
| WREG32_PLL_P(RADEON_TV_PLL_CNTL1, RADEON_TVCLK_SRC_SEL_TVPLL, ~RADEON_TVCLK_SRC_SEL_TVPLL); |
| |
| WREG32_PLL_P(RADEON_TV_PLL_CNTL1, (1 << RADEON_TVPDC_SHIFT), ~RADEON_TVPDC_MASK); |
| WREG32_PLL_P(RADEON_TV_PLL_CNTL1, 0, ~RADEON_TVPLL_SLEEP); |
| |
| /* TV HV */ |
| WREG32(RADEON_TV_RGB_CNTL, tv_rgb_cntl); |
| WREG32(RADEON_TV_HTOTAL, const_ptr->hor_total - 1); |
| WREG32(RADEON_TV_HDISP, const_ptr->hor_resolution - 1); |
| WREG32(RADEON_TV_HSTART, const_ptr->hor_start); |
| |
| WREG32(RADEON_TV_VTOTAL, const_ptr->ver_total - 1); |
| WREG32(RADEON_TV_VDISP, const_ptr->ver_resolution - 1); |
| WREG32(RADEON_TV_FTOTAL, tv_ftotal); |
| WREG32(RADEON_TV_VSCALER_CNTL1, tv_vscaler_cntl1); |
| WREG32(RADEON_TV_VSCALER_CNTL2, tv_vscaler_cntl2); |
| |
| WREG32(RADEON_TV_Y_FALL_CNTL, tv_y_fall_cntl); |
| WREG32(RADEON_TV_Y_RISE_CNTL, tv_y_rise_cntl); |
| WREG32(RADEON_TV_Y_SAW_TOOTH_CNTL, tv_y_saw_tooth_cntl); |
| |
| WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST | |
| RADEON_CRT_ASYNC_RST)); |
| |
| /* TV restarts */ |
| radeon_legacy_write_tv_restarts(radeon_encoder); |
| |
| /* tv timings */ |
| radeon_restore_tv_timing_tables(radeon_encoder); |
| |
| WREG32(RADEON_TV_MASTER_CNTL, (tv_master_cntl | RADEON_TV_ASYNC_RST)); |
| |
| /* tv std */ |
| WREG32(RADEON_TV_SYNC_CNTL, (RADEON_SYNC_PUB | RADEON_TV_SYNC_IO_DRIVE)); |
| WREG32(RADEON_TV_TIMING_CNTL, tv_dac->tv.timing_cntl); |
| WREG32(RADEON_TV_MODULATOR_CNTL1, tv_modulator_cntl1); |
| WREG32(RADEON_TV_MODULATOR_CNTL2, tv_modulator_cntl2); |
| WREG32(RADEON_TV_PRE_DAC_MUX_CNTL, (RADEON_Y_RED_EN | |
| RADEON_C_GRN_EN | |
| RADEON_CMP_BLU_EN | |
| RADEON_DAC_DITHER_EN)); |
| |
| WREG32(RADEON_TV_CRC_CNTL, 0); |
| |
| WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl); |
| |
| WREG32(RADEON_TV_GAIN_LIMIT_SETTINGS, ((0x17f << RADEON_UV_GAIN_LIMIT_SHIFT) | |
| (0x5ff << RADEON_Y_GAIN_LIMIT_SHIFT))); |
| WREG32(RADEON_TV_LINEAR_GAIN_SETTINGS, ((0x100 << RADEON_UV_GAIN_SHIFT) | |
| (0x100 << RADEON_Y_GAIN_SHIFT))); |
| |
| WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); |
| |
| } |
| |
| void radeon_legacy_tv_adjust_crtc_reg(struct drm_encoder *encoder, |
| uint32_t *h_total_disp, uint32_t *h_sync_strt_wid, |
| uint32_t *v_total_disp, uint32_t *v_sync_strt_wid) |
| { |
| struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
| const struct radeon_tv_mode_constants *const_ptr; |
| uint32_t tmp; |
| |
| const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL); |
| if (!const_ptr) |
| return; |
| |
| *h_total_disp = (((const_ptr->hor_resolution / 8) - 1) << RADEON_CRTC_H_DISP_SHIFT) | |
| (((const_ptr->hor_total / 8) - 1) << RADEON_CRTC_H_TOTAL_SHIFT); |
| |
| tmp = *h_sync_strt_wid; |
| tmp &= ~(RADEON_CRTC_H_SYNC_STRT_PIX | RADEON_CRTC_H_SYNC_STRT_CHAR); |
| tmp |= (((const_ptr->hor_syncstart / 8) - 1) << RADEON_CRTC_H_SYNC_STRT_CHAR_SHIFT) | |
| (const_ptr->hor_syncstart & 7); |
| *h_sync_strt_wid = tmp; |
| |
| *v_total_disp = ((const_ptr->ver_resolution - 1) << RADEON_CRTC_V_DISP_SHIFT) | |
| ((const_ptr->ver_total - 1) << RADEON_CRTC_V_TOTAL_SHIFT); |
| |
| tmp = *v_sync_strt_wid; |
| tmp &= ~RADEON_CRTC_V_SYNC_STRT; |
| tmp |= ((const_ptr->ver_syncstart - 1) << RADEON_CRTC_V_SYNC_STRT_SHIFT); |
| *v_sync_strt_wid = tmp; |
| } |
| |
| static int get_post_div(int value) |
| { |
| int post_div; |
| switch (value) { |
| case 1: post_div = 0; break; |
| case 2: post_div = 1; break; |
| case 3: post_div = 4; break; |
| case 4: post_div = 2; break; |
| case 6: post_div = 6; break; |
| case 8: post_div = 3; break; |
| case 12: post_div = 7; break; |
| case 16: |
| default: post_div = 5; break; |
| } |
| return post_div; |
| } |
| |
| void radeon_legacy_tv_adjust_pll1(struct drm_encoder *encoder, |
| uint32_t *htotal_cntl, uint32_t *ppll_ref_div, |
| uint32_t *ppll_div_3, uint32_t *pixclks_cntl) |
| { |
| struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
| const struct radeon_tv_mode_constants *const_ptr; |
| |
| const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL); |
| if (!const_ptr) |
| return; |
| |
| *htotal_cntl = (const_ptr->hor_total & 0x7) | RADEON_HTOT_CNTL_VGA_EN; |
| |
| *ppll_ref_div = const_ptr->crtcPLL_M; |
| |
| *ppll_div_3 = (const_ptr->crtcPLL_N & 0x7ff) | (get_post_div(const_ptr->crtcPLL_post_div) << 16); |
| *pixclks_cntl &= ~(RADEON_PIX2CLK_SRC_SEL_MASK | RADEON_PIXCLK_TV_SRC_SEL); |
| *pixclks_cntl |= RADEON_PIX2CLK_SRC_SEL_P2PLLCLK; |
| } |
| |
| void radeon_legacy_tv_adjust_pll2(struct drm_encoder *encoder, |
| uint32_t *htotal2_cntl, uint32_t *p2pll_ref_div, |
| uint32_t *p2pll_div_0, uint32_t *pixclks_cntl) |
| { |
| struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
| const struct radeon_tv_mode_constants *const_ptr; |
| |
| const_ptr = radeon_legacy_tv_get_std_mode(radeon_encoder, NULL); |
| if (!const_ptr) |
| return; |
| |
| *htotal2_cntl = (const_ptr->hor_total & 0x7); |
| |
| *p2pll_ref_div = const_ptr->crtcPLL_M; |
| |
| *p2pll_div_0 = (const_ptr->crtcPLL_N & 0x7ff) | (get_post_div(const_ptr->crtcPLL_post_div) << 16); |
| *pixclks_cntl &= ~RADEON_PIX2CLK_SRC_SEL_MASK; |
| *pixclks_cntl |= RADEON_PIX2CLK_SRC_SEL_P2PLLCLK | RADEON_PIXCLK_TV_SRC_SEL; |
| } |
| |
