Lines Matching refs:sdma
441 struct sdma_engine *sdma; member
686 static inline u32 chnenbl_ofs(struct sdma_engine *sdma, unsigned int event) in chnenbl_ofs() argument
688 u32 chnenbl0 = sdma->drvdata->chnenbl0; in chnenbl_ofs()
695 struct sdma_engine *sdma = sdmac->sdma; in sdma_config_ownership() local
702 evt = readl_relaxed(sdma->regs + SDMA_H_EVTOVR); in sdma_config_ownership()
703 mcu = readl_relaxed(sdma->regs + SDMA_H_HOSTOVR); in sdma_config_ownership()
704 dsp = readl_relaxed(sdma->regs + SDMA_H_DSPOVR); in sdma_config_ownership()
721 writel_relaxed(evt, sdma->regs + SDMA_H_EVTOVR); in sdma_config_ownership()
722 writel_relaxed(mcu, sdma->regs + SDMA_H_HOSTOVR); in sdma_config_ownership()
723 writel_relaxed(dsp, sdma->regs + SDMA_H_DSPOVR); in sdma_config_ownership()
728 static int is_sdma_channel_enabled(struct sdma_engine *sdma, int channel) in is_sdma_channel_enabled() argument
730 return !!(readl(sdma->regs + SDMA_H_STATSTOP) & BIT(channel)); in is_sdma_channel_enabled()
733 static void sdma_enable_channel(struct sdma_engine *sdma, int channel) in sdma_enable_channel() argument
735 writel(BIT(channel), sdma->regs + SDMA_H_START); in sdma_enable_channel()
741 static int sdma_run_channel0(struct sdma_engine *sdma) in sdma_run_channel0() argument
746 sdma_enable_channel(sdma, 0); in sdma_run_channel0()
748 ret = readl_relaxed_poll_timeout_atomic(sdma->regs + SDMA_H_STATSTOP, in sdma_run_channel0()
751 dev_err(sdma->dev, "Timeout waiting for CH0 ready\n"); in sdma_run_channel0()
754 reg = readl(sdma->regs + SDMA_H_CONFIG); in sdma_run_channel0()
757 writel_relaxed(reg, sdma->regs + SDMA_H_CONFIG); in sdma_run_channel0()
763 static int sdma_load_script(struct sdma_engine *sdma, void *buf, int size, in sdma_load_script() argument
766 struct sdma_buffer_descriptor *bd0 = sdma->bd0; in sdma_load_script()
772 buf_virt = dma_alloc_coherent(sdma->dev, size, &buf_phys, GFP_KERNEL); in sdma_load_script()
776 spin_lock_irqsave(&sdma->channel_0_lock, flags); in sdma_load_script()
786 ret = sdma_run_channel0(sdma); in sdma_load_script()
788 spin_unlock_irqrestore(&sdma->channel_0_lock, flags); in sdma_load_script()
790 dma_free_coherent(sdma->dev, size, buf_virt, buf_phys); in sdma_load_script()
797 struct sdma_engine *sdma = sdmac->sdma; in sdma_event_enable() local
800 u32 chnenbl = chnenbl_ofs(sdma, event); in sdma_event_enable()
802 val = readl_relaxed(sdma->regs + chnenbl); in sdma_event_enable()
804 writel_relaxed(val, sdma->regs + chnenbl); in sdma_event_enable()
808 val = readl_relaxed(sdma->regs + SDMA_DONE0_CONFIG); in sdma_event_enable()
811 writel_relaxed(val, sdma->regs + SDMA_DONE0_CONFIG); in sdma_event_enable()
817 struct sdma_engine *sdma = sdmac->sdma; in sdma_event_disable() local
819 u32 chnenbl = chnenbl_ofs(sdma, event); in sdma_event_disable()
822 val = readl_relaxed(sdma->regs + chnenbl); in sdma_event_disable()
824 writel_relaxed(val, sdma->regs + chnenbl); in sdma_event_disable()
836 struct sdma_engine *sdma = sdmac->sdma; in sdma_start_desc() local
847 sdma->channel_control[channel].base_bd_ptr = desc->bd_phys; in sdma_start_desc()
848 sdma->channel_control[channel].current_bd_ptr = desc->bd_phys; in sdma_start_desc()
849 sdma_enable_channel(sdma, sdmac->channel); in sdma_start_desc()
907 if (sdmac->desc && !is_sdma_channel_enabled(sdmac->sdma, sdmac->channel)) { in sdma_update_channel_loop()
908 dev_warn(sdmac->sdma->dev, "restart cyclic channel %d\n", sdmac->channel); in sdma_update_channel_loop()
909 sdma_enable_channel(sdmac->sdma, sdmac->channel); in sdma_update_channel_loop()
940 struct sdma_engine *sdma = dev_id; in sdma_int_handler() local
943 stat = readl_relaxed(sdma->regs + SDMA_H_INTR); in sdma_int_handler()
944 writel_relaxed(stat, sdma->regs + SDMA_H_INTR); in sdma_int_handler()
950 struct sdma_channel *sdmac = &sdma->channel[channel]; in sdma_int_handler()
981 struct sdma_engine *sdma = sdmac->sdma; in sdma_get_pc() local
997 emi_2_emi = sdma->script_addrs->ap_2_ap_addr; in sdma_get_pc()
1000 emi_2_per = sdma->script_addrs->bp_2_ap_addr; in sdma_get_pc()
1001 per_2_emi = sdma->script_addrs->ap_2_bp_addr; in sdma_get_pc()
1004 per_2_emi = sdma->script_addrs->firi_2_mcu_addr; in sdma_get_pc()
1005 emi_2_per = sdma->script_addrs->mcu_2_firi_addr; in sdma_get_pc()
1008 per_2_emi = sdma->script_addrs->uart_2_mcu_addr; in sdma_get_pc()
1009 emi_2_per = sdma->script_addrs->mcu_2_app_addr; in sdma_get_pc()
1012 per_2_emi = sdma->script_addrs->uartsh_2_mcu_addr; in sdma_get_pc()
1013 emi_2_per = sdma->script_addrs->mcu_2_shp_addr; in sdma_get_pc()
1016 per_2_emi = sdma->script_addrs->ata_2_mcu_addr; in sdma_get_pc()
1017 emi_2_per = sdma->script_addrs->mcu_2_ata_addr; in sdma_get_pc()
1020 per_2_emi = sdma->script_addrs->app_2_mcu_addr; in sdma_get_pc()
1023 if (sdmac->sdma->drvdata->ecspi_fixed) { in sdma_get_pc()
1024 emi_2_per = sdma->script_addrs->mcu_2_app_addr; in sdma_get_pc()
1026 emi_2_per = sdma->script_addrs->mcu_2_ecspi_addr; in sdma_get_pc()
1034 per_2_emi = sdma->script_addrs->app_2_mcu_addr; in sdma_get_pc()
1035 emi_2_per = sdma->script_addrs->mcu_2_app_addr; in sdma_get_pc()
1038 per_2_emi = sdma->script_addrs->ssish_2_mcu_addr; in sdma_get_pc()
1039 emi_2_per = sdma->script_addrs->mcu_2_ssish_addr; in sdma_get_pc()
1048 per_2_emi = sdma->script_addrs->shp_2_mcu_addr; in sdma_get_pc()
1049 emi_2_per = sdma->script_addrs->mcu_2_shp_addr; in sdma_get_pc()
1052 per_2_emi = sdma->script_addrs->asrc_2_mcu_addr; in sdma_get_pc()
1053 emi_2_per = sdma->script_addrs->asrc_2_mcu_addr; in sdma_get_pc()
1054 per_2_per = sdma->script_addrs->per_2_per_addr; in sdma_get_pc()
1058 per_2_emi = sdma->script_addrs->shp_2_mcu_addr; in sdma_get_pc()
1059 emi_2_per = sdma->script_addrs->mcu_2_shp_addr; in sdma_get_pc()
1060 per_2_per = sdma->script_addrs->per_2_per_addr; in sdma_get_pc()
1063 per_2_emi = sdma->script_addrs->mshc_2_mcu_addr; in sdma_get_pc()
1064 emi_2_per = sdma->script_addrs->mcu_2_mshc_addr; in sdma_get_pc()
1067 per_2_emi = sdma->script_addrs->dptc_dvfs_addr; in sdma_get_pc()
1070 per_2_emi = sdma->script_addrs->spdif_2_mcu_addr; in sdma_get_pc()
1071 emi_2_per = sdma->script_addrs->mcu_2_spdif_addr; in sdma_get_pc()
1074 emi_2_per = sdma->script_addrs->ext_mem_2_ipu_addr; in sdma_get_pc()
1077 per_2_emi = sdma->script_addrs->sai_2_mcu_addr; in sdma_get_pc()
1078 emi_2_per = sdma->script_addrs->mcu_2_sai_addr; in sdma_get_pc()
1081 emi_2_per = sdma->script_addrs->hdmi_dma_addr; in sdma_get_pc()
1085 dev_err(sdma->dev, "Unsupported transfer type %d\n", in sdma_get_pc()
1100 struct sdma_engine *sdma = sdmac->sdma; in sdma_load_context() local
1103 struct sdma_context_data *context = sdma->context; in sdma_load_context()
1104 struct sdma_buffer_descriptor *bd0 = sdma->bd0; in sdma_load_context()
1120 dev_dbg(sdma->dev, "load_address = %d\n", load_address); in sdma_load_context()
1121 dev_dbg(sdma->dev, "wml = 0x%08x\n", (u32)sdmac->watermark_level); in sdma_load_context()
1122 dev_dbg(sdma->dev, "shp_addr = 0x%08x\n", sdmac->shp_addr); in sdma_load_context()
1123 dev_dbg(sdma->dev, "per_addr = 0x%08x\n", sdmac->per_addr); in sdma_load_context()
1124 dev_dbg(sdma->dev, "event_mask0 = 0x%08x\n", (u32)sdmac->event_mask[0]); in sdma_load_context()
1125 dev_dbg(sdma->dev, "event_mask1 = 0x%08x\n", (u32)sdmac->event_mask[1]); in sdma_load_context()
1127 spin_lock_irqsave(&sdma->channel_0_lock, flags); in sdma_load_context()
1149 bd0->buffer_addr = sdma->context_phys; in sdma_load_context()
1151 ret = sdma_run_channel0(sdma); in sdma_load_context()
1153 spin_unlock_irqrestore(&sdma->channel_0_lock, flags); in sdma_load_context()
1166 struct sdma_engine *sdma = sdmac->sdma; in sdma_disable_channel() local
1169 writel_relaxed(BIT(channel), sdma->regs + SDMA_H_STATSTOP); in sdma_disable_channel()
1227 struct sdma_engine *sdma = sdmac->sdma; in sdma_set_watermarklevel_for_p2p() local
1254 if (sdmac->per_address2 >= sdma->spba_start_addr && in sdma_set_watermarklevel_for_p2p()
1255 sdmac->per_address2 <= sdma->spba_end_addr) in sdma_set_watermarklevel_for_p2p()
1258 if (sdmac->per_address >= sdma->spba_start_addr && in sdma_set_watermarklevel_for_p2p()
1259 sdmac->per_address <= sdma->spba_end_addr) in sdma_set_watermarklevel_for_p2p()
1349 struct sdma_engine *sdma = sdmac->sdma; in sdma_set_channel_priority() local
1357 writel_relaxed(priority, sdma->regs + SDMA_CHNPRI_0 + 4 * channel); in sdma_set_channel_priority()
1362 static int sdma_request_channel0(struct sdma_engine *sdma) in sdma_request_channel0() argument
1366 sdma->bd0 = dma_alloc_coherent(sdma->dev, PAGE_SIZE, &sdma->bd0_phys, in sdma_request_channel0()
1368 if (!sdma->bd0) { in sdma_request_channel0()
1373 sdma->channel_control[0].base_bd_ptr = sdma->bd0_phys; in sdma_request_channel0()
1374 sdma->channel_control[0].current_bd_ptr = sdma->bd0_phys; in sdma_request_channel0()
1376 sdma_set_channel_priority(&sdma->channel[0], MXC_SDMA_DEFAULT_PRIORITY); in sdma_request_channel0()
1389 desc->bd = dma_alloc_coherent(desc->sdmac->sdma->dev, bd_size, in sdma_alloc_bd()
1403 dma_free_coherent(desc->sdmac->sdma->dev, bd_size, desc->bd, in sdma_free_bd()
1432 dev_dbg(sdmac->sdma->dev, "MEMCPY in case?\n"); in sdma_alloc_chan_resources()
1461 ret = clk_enable(sdmac->sdma->clk_ipg); in sdma_alloc_chan_resources()
1464 ret = clk_enable(sdmac->sdma->clk_ahb); in sdma_alloc_chan_resources()
1475 clk_disable(sdmac->sdma->clk_ahb); in sdma_alloc_chan_resources()
1477 clk_disable(sdmac->sdma->clk_ipg); in sdma_alloc_chan_resources()
1484 struct sdma_engine *sdma = sdmac->sdma; in sdma_free_chan_resources() local
1499 clk_disable(sdma->clk_ipg); in sdma_free_chan_resources()
1500 clk_disable(sdma->clk_ahb); in sdma_free_chan_resources()
1508 if (!sdmac->sdma->fw_loaded && sdmac->is_ram_script) { in sdma_transfer_init()
1509 dev_warn_once(sdmac->sdma->dev, "sdma firmware not ready!\n"); in sdma_transfer_init()
1553 struct sdma_engine *sdma = sdmac->sdma; in sdma_prep_memcpy() local
1563 dev_dbg(sdma->dev, "memcpy: %pad->%pad, len=%zu, channel=%d.\n", in sdma_prep_memcpy()
1593 dev_dbg(sdma->dev, "entry %d: count: %zd dma: 0x%x %s%s\n", in sdma_prep_memcpy()
1610 struct sdma_engine *sdma = sdmac->sdma; in sdma_prep_slave_sg() local
1622 dev_dbg(sdma->dev, "setting up %d entries for channel %d.\n", in sdma_prep_slave_sg()
1634 dev_err(sdma->dev, "SDMA channel %d: maximum bytes for sg entry exceeded: %d > %d\n", in sdma_prep_slave_sg()
1671 dev_dbg(sdma->dev, "entry %d: count: %d dma: %#llx %s%s\n", in sdma_prep_slave_sg()
1694 struct sdma_engine *sdma = sdmac->sdma; in sdma_prep_dma_cyclic() local
1700 dev_dbg(sdma->dev, "%s channel: %d\n", __func__, channel); in sdma_prep_dma_cyclic()
1716 dev_err(sdma->dev, "SDMA channel %d: maximum period size exceeded: %zu > %d\n", in sdma_prep_dma_cyclic()
1743 dev_dbg(sdma->dev, "entry %d: count: %zu dma: %#llx %s%s\n", in sdma_prep_dma_cyclic()
1802 struct sdma_engine *sdma = sdmac->sdma; in sdma_config() local
1809 dev_err(sdma->dev, "Invalid peripheral size %zu, expected %zu\n", in sdma_config()
1823 if (sdmac->event_id0 >= sdmac->sdma->drvdata->num_events) in sdma_config()
1828 if (sdmac->event_id1 >= sdmac->sdma->drvdata->num_events) in sdma_config()
1893 static void sdma_add_scripts(struct sdma_engine *sdma, in sdma_add_scripts() argument
1897 s32 *saddr_arr = (u32 *)sdma->script_addrs; in sdma_add_scripts()
1901 if (!sdma->script_number) in sdma_add_scripts()
1902 sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; in sdma_add_scripts()
1904 if (sdma->script_number > sizeof(struct sdma_script_start_addrs) in sdma_add_scripts()
1906 dev_err(sdma->dev, in sdma_add_scripts()
1908 sdma->script_number); in sdma_add_scripts()
1912 for (i = 0; i < sdma->script_number; i++) in sdma_add_scripts()
1922 if (sdma->script_number >= SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3) { in sdma_add_scripts()
1924 sdma->script_addrs->uart_2_mcu_addr = addr->uart_2_mcu_rom_addr; in sdma_add_scripts()
1926 sdma->script_addrs->uartsh_2_mcu_addr = addr->uartsh_2_mcu_rom_addr; in sdma_add_scripts()
1932 struct sdma_engine *sdma = context; in sdma_load_firmware() local
1938 dev_info(sdma->dev, "external firmware not found, using ROM firmware\n"); in sdma_load_firmware()
1954 sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; in sdma_load_firmware()
1957 sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2; in sdma_load_firmware()
1960 sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3; in sdma_load_firmware()
1963 sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V4; in sdma_load_firmware()
1966 dev_err(sdma->dev, "unknown firmware version\n"); in sdma_load_firmware()
1973 clk_enable(sdma->clk_ipg); in sdma_load_firmware()
1974 clk_enable(sdma->clk_ahb); in sdma_load_firmware()
1976 sdma_load_script(sdma, ram_code, in sdma_load_firmware()
1979 clk_disable(sdma->clk_ipg); in sdma_load_firmware()
1980 clk_disable(sdma->clk_ahb); in sdma_load_firmware()
1982 sdma_add_scripts(sdma, addr); in sdma_load_firmware()
1984 sdma->fw_loaded = true; in sdma_load_firmware()
1986 dev_info(sdma->dev, "loaded firmware %d.%d\n", in sdma_load_firmware()
1996 static int sdma_event_remap(struct sdma_engine *sdma) in sdma_event_remap() argument
1998 struct device_node *np = sdma->dev->of_node; in sdma_event_remap()
2012 dev_dbg(sdma->dev, "no event needs to be remapped\n"); in sdma_event_remap()
2015 dev_err(sdma->dev, "the property %s must modulo %d\n", in sdma_event_remap()
2023 dev_err(sdma->dev, "failed to get gpr regmap\n"); in sdma_event_remap()
2031 dev_err(sdma->dev, "failed to read property %s index %d\n", in sdma_event_remap()
2038 dev_err(sdma->dev, "failed to read property %s index %d\n", in sdma_event_remap()
2045 dev_err(sdma->dev, "failed to read property %s index %d\n", in sdma_event_remap()
2060 static int sdma_get_firmware(struct sdma_engine *sdma, in sdma_get_firmware() argument
2066 FW_ACTION_UEVENT, fw_name, sdma->dev, in sdma_get_firmware()
2067 GFP_KERNEL, sdma, sdma_load_firmware); in sdma_get_firmware()
2072 static int sdma_init(struct sdma_engine *sdma) in sdma_init() argument
2077 ret = clk_enable(sdma->clk_ipg); in sdma_init()
2080 ret = clk_enable(sdma->clk_ahb); in sdma_init()
2084 if (sdma->drvdata->check_ratio && in sdma_init()
2085 (clk_get_rate(sdma->clk_ahb) == clk_get_rate(sdma->clk_ipg))) in sdma_init()
2086 sdma->clk_ratio = 1; in sdma_init()
2089 writel_relaxed(0, sdma->regs + SDMA_H_C0PTR); in sdma_init()
2091 sdma->channel_control = dma_alloc_coherent(sdma->dev, in sdma_init()
2096 if (!sdma->channel_control) { in sdma_init()
2101 sdma->context = (void *)sdma->channel_control + in sdma_init()
2103 sdma->context_phys = ccb_phys + in sdma_init()
2107 for (i = 0; i < sdma->drvdata->num_events; i++) in sdma_init()
2108 writel_relaxed(0, sdma->regs + chnenbl_ofs(sdma, i)); in sdma_init()
2112 writel_relaxed(0, sdma->regs + SDMA_CHNPRI_0 + i * 4); in sdma_init()
2114 ret = sdma_request_channel0(sdma); in sdma_init()
2118 sdma_config_ownership(&sdma->channel[0], false, true, false); in sdma_init()
2121 writel_relaxed(0x4050, sdma->regs + SDMA_CHN0ADDR); in sdma_init()
2124 if (sdma->clk_ratio) in sdma_init()
2125 writel_relaxed(SDMA_H_CONFIG_ACR, sdma->regs + SDMA_H_CONFIG); in sdma_init()
2127 writel_relaxed(0, sdma->regs + SDMA_H_CONFIG); in sdma_init()
2129 writel_relaxed(ccb_phys, sdma->regs + SDMA_H_C0PTR); in sdma_init()
2132 sdma_set_channel_priority(&sdma->channel[0], 7); in sdma_init()
2134 clk_disable(sdma->clk_ipg); in sdma_init()
2135 clk_disable(sdma->clk_ahb); in sdma_init()
2140 clk_disable(sdma->clk_ahb); in sdma_init()
2142 clk_disable(sdma->clk_ipg); in sdma_init()
2143 dev_err(sdma->dev, "initialisation failed with %d\n", ret); in sdma_init()
2164 struct sdma_engine *sdma = ofdma->of_dma_data; in sdma_xlate() local
2165 dma_cap_mask_t mask = sdma->dma_device.cap_mask; in sdma_xlate()
2196 struct sdma_engine *sdma; in sdma_probe() local
2203 sdma = devm_kzalloc(&pdev->dev, sizeof(*sdma), GFP_KERNEL); in sdma_probe()
2204 if (!sdma) in sdma_probe()
2207 spin_lock_init(&sdma->channel_0_lock); in sdma_probe()
2209 sdma->dev = &pdev->dev; in sdma_probe()
2210 sdma->drvdata = of_device_get_match_data(sdma->dev); in sdma_probe()
2216 sdma->regs = devm_platform_ioremap_resource(pdev, 0); in sdma_probe()
2217 if (IS_ERR(sdma->regs)) in sdma_probe()
2218 return PTR_ERR(sdma->regs); in sdma_probe()
2220 sdma->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); in sdma_probe()
2221 if (IS_ERR(sdma->clk_ipg)) in sdma_probe()
2222 return PTR_ERR(sdma->clk_ipg); in sdma_probe()
2224 sdma->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); in sdma_probe()
2225 if (IS_ERR(sdma->clk_ahb)) in sdma_probe()
2226 return PTR_ERR(sdma->clk_ahb); in sdma_probe()
2228 ret = clk_prepare(sdma->clk_ipg); in sdma_probe()
2232 ret = clk_prepare(sdma->clk_ahb); in sdma_probe()
2237 dev_name(&pdev->dev), sdma); in sdma_probe()
2241 sdma->irq = irq; in sdma_probe()
2243 sdma->script_addrs = kzalloc(sizeof(*sdma->script_addrs), GFP_KERNEL); in sdma_probe()
2244 if (!sdma->script_addrs) { in sdma_probe()
2250 saddr_arr = (s32 *)sdma->script_addrs; in sdma_probe()
2251 for (i = 0; i < sizeof(*sdma->script_addrs) / sizeof(s32); i++) in sdma_probe()
2254 dma_cap_set(DMA_SLAVE, sdma->dma_device.cap_mask); in sdma_probe()
2255 dma_cap_set(DMA_CYCLIC, sdma->dma_device.cap_mask); in sdma_probe()
2256 dma_cap_set(DMA_MEMCPY, sdma->dma_device.cap_mask); in sdma_probe()
2257 dma_cap_set(DMA_PRIVATE, sdma->dma_device.cap_mask); in sdma_probe()
2259 INIT_LIST_HEAD(&sdma->dma_device.channels); in sdma_probe()
2262 struct sdma_channel *sdmac = &sdma->channel[i]; in sdma_probe()
2264 sdmac->sdma = sdma; in sdma_probe()
2277 vchan_init(&sdmac->vc, &sdma->dma_device); in sdma_probe()
2280 ret = sdma_init(sdma); in sdma_probe()
2284 ret = sdma_event_remap(sdma); in sdma_probe()
2288 if (sdma->drvdata->script_addrs) in sdma_probe()
2289 sdma_add_scripts(sdma, sdma->drvdata->script_addrs); in sdma_probe()
2291 sdma->dma_device.dev = &pdev->dev; in sdma_probe()
2293 sdma->dma_device.device_alloc_chan_resources = sdma_alloc_chan_resources; in sdma_probe()
2294 sdma->dma_device.device_free_chan_resources = sdma_free_chan_resources; in sdma_probe()
2295 sdma->dma_device.device_tx_status = sdma_tx_status; in sdma_probe()
2296 sdma->dma_device.device_prep_slave_sg = sdma_prep_slave_sg; in sdma_probe()
2297 sdma->dma_device.device_prep_dma_cyclic = sdma_prep_dma_cyclic; in sdma_probe()
2298 sdma->dma_device.device_config = sdma_config; in sdma_probe()
2299 sdma->dma_device.device_terminate_all = sdma_terminate_all; in sdma_probe()
2300 sdma->dma_device.device_synchronize = sdma_channel_synchronize; in sdma_probe()
2301 sdma->dma_device.src_addr_widths = SDMA_DMA_BUSWIDTHS; in sdma_probe()
2302 sdma->dma_device.dst_addr_widths = SDMA_DMA_BUSWIDTHS; in sdma_probe()
2303 sdma->dma_device.directions = SDMA_DMA_DIRECTIONS; in sdma_probe()
2304 sdma->dma_device.residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT; in sdma_probe()
2305 sdma->dma_device.device_prep_dma_memcpy = sdma_prep_memcpy; in sdma_probe()
2306 sdma->dma_device.device_issue_pending = sdma_issue_pending; in sdma_probe()
2307 sdma->dma_device.copy_align = 2; in sdma_probe()
2308 dma_set_max_seg_size(sdma->dma_device.dev, SDMA_BD_MAX_CNT); in sdma_probe()
2310 platform_set_drvdata(pdev, sdma); in sdma_probe()
2312 ret = dma_async_device_register(&sdma->dma_device); in sdma_probe()
2319 ret = of_dma_controller_register(np, sdma_xlate, sdma); in sdma_probe()
2328 sdma->spba_start_addr = spba_res.start; in sdma_probe()
2329 sdma->spba_end_addr = spba_res.end; in sdma_probe()
2344 ret = sdma_get_firmware(sdma, fw_name); in sdma_probe()
2352 dma_async_device_unregister(&sdma->dma_device); in sdma_probe()
2354 kfree(sdma->script_addrs); in sdma_probe()
2356 clk_unprepare(sdma->clk_ahb); in sdma_probe()
2358 clk_unprepare(sdma->clk_ipg); in sdma_probe()
2364 struct sdma_engine *sdma = platform_get_drvdata(pdev); in sdma_remove() local
2367 devm_free_irq(&pdev->dev, sdma->irq, sdma); in sdma_remove()
2368 dma_async_device_unregister(&sdma->dma_device); in sdma_remove()
2369 kfree(sdma->script_addrs); in sdma_remove()
2370 clk_unprepare(sdma->clk_ahb); in sdma_remove()
2371 clk_unprepare(sdma->clk_ipg); in sdma_remove()
2374 struct sdma_channel *sdmac = &sdma->channel[i]; in sdma_remove()